CN121972995A - Quick-dismantling clamp structure of five-axis linkage processing machine tool - Google Patents

Abstract

The invention relates to the technical field related to machine tool machining centers, in particular to a quick-dismantling clamp structure of a five-axis linkage machine tool, which comprises a quick-dismantling clamp body, an adjusting mechanism and a locking assembly. The quick-dismantling clamp body is provided with a sliding seat, a fixed clamping seat and a movable clamping seat, the sliding seat can horizontally move on a mounting substrate and is locked through a locking assembly, quick switching of hole positions of workpieces is achieved, an adjusting assembly drives the movable clamping seat to move and adapt to the workpieces with different sizes, clamping surfaces of the fixed clamping seat and the movable clamping seat are micro conical surfaces and are provided with elastic buffer pads, automatic centering and surface protection are achieved, and the adjusting mechanism comprises a radial rotating mechanism and an axial rotating mechanism, and multi-angle adjustment of the workpieces is achieved. According to the invention, through the designs of quick station switching of the sliding seat, automatic centering of the micro conical surface, multi-dimensional angle adjustment and the like, the problems of time consumption, low positioning precision and inconvenient angle adjustment of the traditional clamp are effectively solved, and the machining efficiency and precision of the five-axis linkage machining machine tool are remarkably improved.

Description

Quick-dismantling clamp structure of five-axis linkage processing machine tool

Technical Field

The invention relates to the technical field of numerical control machining equipment, in particular to a quick-dismantling clamp structure of a five-axis linkage machining machine tool.

Background

When complex workpieces with a plurality of hole sites are machined on a five-axis linkage machining center, a single clamp is usually adopted for fixing the workpieces in a traditional clamping mode, when the hole sites at different positions need to be machined, the clamping positions of the workpieces need to be adjusted repeatedly or the tool is re-aligned, and the problems that 1) the positioning references are inconsistent due to repeated clamping, the relative position precision of the hole sites is affected, 2) the clamping adjustment time is long, the machining efficiency is reduced, 3) the clamping requirements of the workpieces with different specifications are difficult to adapt to by the single clamp, 4) the quick adjustment of the angles of the workpieces cannot be realized in the machining process, and the workpiece is finished by depending on a five-axis linkage system of a machine tool, so that the burden and the programming complexity of a machine tool main shaft are increased.

Disclosure of Invention

The invention solves the problems in the related art, and provides the quick-dismantling clamp structure of the five-axis linkage processing machine tool, the clamping component is convenient for fixing the port of the formed pipe rod, the driving component drives the forming wheel to rotate, the pipe rod body in forming is fed through the feeding unit, the efficiency of pipe rod body pipe bending forming is effectively ensured, in addition, the feeding unit achieves the purpose of automatically feeding the pipe rod in bending forming through a compact mechanical structure, the use of electrical equipment is avoided, and the invention has the characteristic of saving resources.

In order to solve the technical problems, the invention is realized by the following technical scheme that the quick-dismantling clamp structure of the five-axis linkage processing machine tool comprises a frame, a processing tool bit arranged on the upper end surface of the frame, a first feeding mechanism for feeding the processing tool bit, a quick-dismantling clamp body arranged relative to the processing tool bit, a mounting plate fixedly connected with the quick-dismantling clamp body, a base connected with the mounting plate, a second feeding mechanism for feeding the quick-dismantling clamp body and an adjusting mechanism for adjusting the angle of the opening and dismantling clamp body;

The quick-release clamp body is rotationally connected with the base through an adjusting mechanism;

The quick-release clamp body is used for clamping and fixing a workpiece body, and a first hole site and a second hole site to be processed are arranged on the workpiece body;

the quick-release clamp body comprises a mounting substrate fixedly connected with the mounting plate, a sliding seat slidably arranged on the upper end surface of the mounting substrate, a locking assembly for locking the sliding seat, a fixed clamping seat fixedly arranged at one end of the upper end surface of the sliding seat, a movable clamping seat slidably arranged on the upper end surface of the sliding seat and an adjusting assembly for adjusting the movable clamping seat;

The locking assembly comprises a guide assembly for guiding the sliding seat in the moving process and a limiting assembly for limiting the moving sliding seat;

the guide assembly comprises a fixed guide seat fixedly arranged on the mounting substrate and in sliding connection with the sliding seat, a movable guide seat arranged on the other side of the sliding seat, a limiting seat fixedly arranged on the mounting substrate and in sliding connection with the movable guide seat, and a locking piece for locking the movable guide seat.

Through the adoption of the technical scheme, the fixed clamping seat and the movable clamping seat are convenient for fixing the workpiece body, the locking piece is convenient for locking and releasing the movable guide seat, so that the sliding seat can be horizontally moved conveniently, the first hole site and the second hole site to be machined are always corresponding to the central axis of the mounting substrate, further, when machining heads are used for machining different hole sites, the integral position of the workpiece body is not required to be frequently adjusted, clamping and positioning time is effectively shortened, and machining efficiency is improved. The limiting component can limit the sliding seat after the sliding seat moves to the target position, so that the stability of the sliding seat is further enhanced, the sliding seat is prevented from being displaced due to vibration in the machining process, and the machining precision is ensured.

As a preferred scheme, the adjusting component comprises a second screw rod which is arranged on the sliding seat in a rotating mode, a limiting check ring which is fixedly arranged on the outer periphery of the screw rod, and a limiting clamping groove which is arranged on the movable clamping seat and is matched with the limiting check ring, wherein the limiting check ring is circumferentially arranged on the outer periphery of the second screw rod, and the outer diameter of the limiting check ring is larger than that of the second screw rod.

Through adopting above-mentioned technical scheme, when screw rod two rotates, spacing retaining ring block is in spacing draw-in groove to drive and remove the cassette and remove along the length direction of sliding seat, realize the regulation of interval between fixed cassette and the removal cassette, in order to satisfy the centre gripping demand to the work piece body. Preferably, one end of the second screw rod is further provided with an adjusting hand wheel which is convenient to manually rotate, the operation is convenient, fine adjustment on the position of the movable clamping seat can be achieved, and the workpiece body is firmly clamped.

As an optimal scheme, the clamping surfaces of the fixed clamping seat and the movable clamping seat are respectively set to be micro conical surfaces, elastic buffer pads are arranged on the clamping surfaces, and the buffer pads are made of rubber materials.

By adopting the technical scheme, enough friction force can be provided to prevent the workpiece body from sliding in the processing process, and the workpiece surface can be protected during clamping, so that the scratch or indentation on the workpiece surface caused by rigid contact is avoided. Simultaneously, the design of little conical surface makes fixed cassette and removal cassette when carrying out the centre gripping to the work piece body, can be through the direction effect automatic centering work piece of conical surface, further improves the axiality of centre gripping, ensures that the machining tool bit is when processing hole site one and hole site two, and the central axis of cutter keeps unanimous with the design axis of hole site, effectively promotes the position accuracy and the cylindricity of hole processing.

As the preferable scheme, the screw rod further comprises a guide block fixedly arranged on the upper end face of the sliding seat, and the length direction of the guide block is parallel to the axis direction of the screw rod II.

Through adopting above-mentioned technical scheme, when moving the cassette and moving along the sliding seat under adjusting part's drive, the guide block can be spacing to moving the both sides of cassette, prevents that it from taking place lateral shifting or rocking at the removal in-process, ensures to remove the cassette and steadily remove along preset orbit all the time, further guarantees the clamping accuracy of fixed cassette and removal cassette to the work piece body.

As a preferable scheme, the locking piece comprises a first screw rod penetrating through the movable guide seat and connected with the mounting substrate, a guide protrusion fixedly arranged at one end of the movable guide seat opposite to the limiting seat, and a guide groove arranged at the inner side of the limiting seat and matched with the guide protrusion, wherein the first screw rod is connected with the mounting substrate through a thread structure.

Through adopting above-mentioned technical scheme, when needs adjust the sliding seat position, unscrew screw rod one to make and remove the locking force of guide holder to the sliding seat and unlock, make and remove the guide holder and can follow spacing seat slip under the cooperation of guide protrusion and guide groove, thereby be convenient for remove through promoting the sliding seat, after the sliding seat removes to target position, screw rod one, utilize the locking force of screw thread to fix the sliding seat on spacing seat, and then realize the reliable locking of sliding seat.

As a preferable scheme, the limiting assembly comprises a first limiting pin shaft arranged at one end of the upper end face of the mounting substrate and a second limiting pin shaft arranged at the other end of the mounting substrate, and the first limiting pin shaft and the second limiting pin shaft are respectively arranged as an optical shaft lever.

Through adopting above-mentioned technical scheme, and then when the sliding seat removes to with first spacing round pin axle or the looks butt of second spacing round pin axle, can carry out mechanical limit to the travel of sliding seat, prevent that the sliding seat from breaking away from the mounting substrate or bumping with other parts because of excessive movement. Specifically, when the sliding seat moves towards the direction close to the first limiting pin shaft, one end of the sliding seat is contacted with the outer peripheral surface of the first limiting pin shaft, at the moment, the first limiting pin shaft plays a role in blocking to limit the sliding seat to move towards the direction, and similarly, when the sliding seat moves towards the direction close to the second limiting pin shaft, the other end of the sliding seat is abutted against the second limiting pin shaft, so that the limiting of the sliding seat in the reverse movement is realized. The design of the optical shaft lever enables the limiting pin shaft to be in surface contact with the sliding seat, the contact area is large, contact stress can be dispersed, and deformation or damage of the sliding seat due to overlarge local stress during limiting is avoided.

As a preferable scheme, the first limiting pin shaft and the second limiting pin shaft are respectively connected with the mounting substrate through fixing nuts, square round holes through which the first limiting pin shaft and the second limiting pin shaft penetrate are formed in the mounting substrate, and the aperture of each square round hole is slightly larger than the outer diameters of the first limiting pin shaft and the second limiting pin shaft.

Through adopting above-mentioned technical scheme for when needs adjustment spacing position, can unscrew fixation nut, follow the length direction of square round hole and remove first spacing round pin axle or second spacing round pin axle and screw fixation nut again after to the target position, realize spacing stroke's nimble regulation, with the processing demand of the spacing in hole site on the adaptation work piece body of different specifications. The adjustable limiting design further enhances the universality and adaptability of the quick-release clamp body, and can meet the processing clamping requirements of various workpieces.

Preferably, the adjusting mechanism comprises a radial rotating mechanism and an axial rotating mechanism;

The radial rotating mechanism comprises a first driving motor fixedly connected with the base, a first driving belt wheel I connected with an output shaft a of the first driving motor, a first driving belt wheel I connected with the first driving belt wheel, and a second driving belt wheel I connected with the other end of the first driving belt wheel I, wherein the second driving belt wheel I is connected with the mounting plate through a rotating pin shaft, two ends of the mounting plate are respectively connected with the base through rotating pin shafts, and sealing bearings are arranged at the connecting positions of the rotating pin shafts and the base.

Through adopting above-mentioned technical scheme to guarantee to rotate the smooth and easy rotation of round pin axle in the base, when first driving motor starts, output shaft a drives first driving pulley one and rotates, through driving belt one with power transmission to second driving pulley one, and then drive the round pin axle and carry out radial rotation with its fixed connection's mounting panel around the axis of round pin axle, realize quick detach anchor clamps body angle modulation in horizontal plane, make waiting to process the hole can be adjusted to the angular position corresponding with the processing tool bit according to the processing demand on the work piece body.

As a preferred scheme, the axial rotating mechanism comprises a mounting support plate fixedly connected with one side of the rotating pin shaft, a second driving motor fixedly arranged on the mounting support plate, a first driving belt wheel II connected with an output shaft b of the second driving motor, a driving belt II connected with the first driving belt wheel II and a second driving belt wheel II connected with the driving belt II, the second driving belt wheel penetrates through the base and is connected with the second driving belt wheel II, the second driving belt wheel II is also connected with a flange plate on the mounting plate through a rotating shaft, the flange plate rotates with the mounting plate and is fixedly connected with the mounting plate, and the flange plate is fixedly connected with the mounting substrate.

Through adopting above-mentioned technical scheme, when second driving motor starts, output shaft b drives first driving pulley and rotates, through driving belt with power transmission to second driving pulley, and then drives axis of rotation and rather than fixed connection's ring flange rotation, because ring flange and mounting substrate fixed connection, consequently can drive quick detach anchor clamps body and carry out axial rotation around the axis of rotation, realize the angular adjustment of work piece body in the vertical plane. Through radial slewing mechanism and axial slewing mechanism's cooperation, the quick detach anchor clamps body can drive the work piece body and realize the angular adjustment of multidimension degree, satisfies the demand to the different angle machined surfaces of work piece in the five-axis linkage processing, need not the processing that the complex hole site can be accomplished to clamping many times, has further promoted machining efficiency and machining precision.

As a preferable scheme, the base is provided with a track groove which is matched with the transmission belt in two phases, the track groove is in a circular arc structure, and the circle center of the track groove is coincident with the axis of the rotating pin shaft.

Through adopting above-mentioned technical scheme, when axial slewing mechanism drove quick detach anchor clamps body and rotates, transmission belt two can follow the arc route synchronous motion of track groove, avoids transmission belt two to take place to interfere or produce extra pulling force with the base in the motion process, ensures power transmission's stationarity and reliability. The inner side wall of the track groove is also provided with a wear-resistant coating, and the coating is made of polytetrafluoroethylene material, has extremely low friction coefficient and good wear resistance, can effectively reduce friction loss between the second transmission belt and the track groove, and prolongs the service life of the transmission part. Meanwhile, the depth and the width of the track groove are matched with those of the two driving belts, so that the two driving belts can not fall off in the groove, and can flexibly move, and the running stability of the axial rotating mechanism is further improved.

Compared with the prior art, the invention has the beneficial effects that the invention is as follows;

1. The fixed clamping seat and the movable clamping seat are driven by the sliding seat to horizontally move on the mounting substrate, so that the first hole site and the second hole site on the workpiece body can be aligned with the center of the machining tool bit and the axis of the mounting substrate in sequence. When the machining hole position needs to be switched, the station switching can be completed by only unlocking the locking piece and pushing the sliding seat to the target position for locking, and the workpiece is not required to be clamped again or the integral position of the workpiece is not required to be adjusted, so that the auxiliary time is obviously shortened, and the machining efficiency is improved.

2. The locking piece adopts a double locking structure of screw locking and guiding matching. The movable guide seat is fixed on the limit seat by the locking force of the screw when the screw is screwed, and the precise matching of the guide bulge and the guide groove prevents the movable guide seat from deflecting in the locking process, so that the positioning precision of the sliding seat is ensured. The first limiting pin shaft and the second limiting pin shaft provide mechanical limiting, so that the sliding seat is prevented from moving excessively, and the positioning accuracy and safety are further guaranteed.

3. The clamping surfaces of the fixed clamping seat and the movable clamping seat are designed to be micro-conical surfaces, and the workpiece is automatically centered through conical surface guiding during clamping, so that the clamping coaxiality is improved. The elastic buffer cushion not only provides enough friction force to prevent the workpiece from sliding, but also can protect the surface of the workpiece from being scratched or pressed when in clamping, and is particularly suitable for precise workpieces with high surface quality requirements.

4. The adjusting mechanism comprises a radial rotating mechanism and an axial rotating mechanism which are driven by independent servo motors respectively, so that the multi-dimensional angle adjustment of the quick-release clamp body in a horizontal plane and a vertical plane can be realized. The five-axis linkage machining tool is matched with the self-movement of the five-axis linkage machining tool, the workpiece can be covered on the machining surface at any angle, complex hole site machining can be completed without repeated clamping, and the machining capacity is further expanded.

5. The movable clamping seat is driven by the screw rod II and the limiting retainer ring, and the clamping distance can be rapidly adjusted according to different workpiece sizes. The mounting positions of the first limiting pin shaft and the second limiting pin shaft can be adjusted through the square round holes so as to adapt to workpieces with different hole site distances, so that the universality and the adaptability of the fixture are enhanced, and the tooling cost is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a quick release clamp structure of a five-axis linkage machine tool of the present invention;

FIG. 2 is a schematic diagram of a rotating assembly for rotating a quick-release clamp body in a quick-release clamp structure of a five-axis linkage machine tool according to the present invention;

FIG. 3 is a schematic structural view of a quick release clamp body in the quick release clamp structure of the five-axis linkage machine tool;

FIG. 4 is a schematic diagram of the structure of the top view of FIG. 3 in a quick release clamp structure of a five-axis linkage machine tool according to the present invention;

FIG. 5 is a schematic diagram of the assembly of the movable clamping seat and the adjusting component in the quick-release clamp structure of the five-axis linkage machine tool;

FIG. 6 is a schematic view of the structure of the enlarged view at A of FIG. 5 in a quick release clamp structure of a five-axis linkage machine tool of the present invention;

FIG. 7 is a schematic diagram of the structure of the movable clamping seat in the quick-release clamp structure of the five-axis linkage machine tool when moving;

Fig. 8 is a schematic structural view of an assembly diagram between a movable guide seat and a limiting seat in a quick-dismantling clamp structure of a five-axis linkage machine tool.

In the figure:

The tool comprises a frame, 200 parts of a machining tool bit, 201 parts of a first feeding mechanism, 300 parts of a quick-release clamp body, 301 parts of a base, 3011 parts of a mounting plate, 302 parts of a second feeding mechanism, 41 parts of a first driving motor, 411 parts of a first driving belt wheel, 412 parts of a second driving belt wheel, 413 parts of a driving belt, 42 parts of a second driving motor, 420 parts of a mounting support plate, 421 parts of a second driving belt wheel, 422 parts of a second driving belt wheel, 423 parts of a driving belt, 4231 parts of a track groove, 11 parts of a workpiece body, 101 parts of a first hole site, 102 parts of a second hole site, 51 parts of a mounting substrate, 52 parts of a sliding seat, 521 parts of a first limiting pin shaft, 522 parts of a second limiting pin shaft, 531 parts of a fixed clamping seat, 532 parts of a movable clamping seat, 5320 parts of a limiting clamping groove, 5321 parts of a guiding block, 541 parts of a fixed guiding seat, 542 parts of a movable guiding seat, 55 parts of a limiting seat, 56 parts of a screw, 57 parts of a guiding boss, 571 parts of a guiding groove, 61 parts of a screw, 611 parts of a guiding rod, 611 parts of a limiting retainer ring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of the present invention, and the azimuth terms "inside and outside" refer to inside and outside with respect to the outline of each component itself.

Spatially relative terms, such as "above," "upper" and "upper surface," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the process is carried out, the exemplary term "above" may be included. Upper and lower. Two orientations below. The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.

As shown in fig. 1 to 8, a quick-release clamp structure of a five-axis linkage machining machine tool comprises a frame 100, a machining tool bit 200 arranged on the upper end surface of the frame 100, a first feeding mechanism 201 for feeding the machining tool bit 200, a quick-release clamp body 300 arranged relative to the machining tool bit 200, a mounting plate 3011 fixedly connected with the quick-release clamp body 300, a base 301 connected with the mounting plate 3011, a second feeding mechanism 302 for feeding the quick-release clamp body 300, and an adjusting mechanism for adjusting the angle of the split clamp body;

referring specifically to fig. 3, 4, 5, 6, 7 and 8, the quick release clamp 300 is rotatably connected to the base 301 through an adjusting mechanism;

The quick-release clamp body 300 is used for clamping and fixing the workpiece body 11, and a first hole site 101 and a second hole site 102 to be processed are arranged on the workpiece body 11;

Referring specifically to fig. 3 and 4, the quick release fixture 300 includes a mounting board 3011 fixedly connected to the mounting board 51, a sliding seat 52 slidably disposed on an upper end surface of the mounting board 51, a locking assembly for locking the sliding seat 52, a fixing clamping seat 531 fixedly disposed at one end of the upper end surface of the sliding seat 52, a moving clamping seat 532 slidably disposed on the upper end surface of the sliding seat 52, and an adjusting assembly for adjusting the moving clamping seat 532;

the first feeding mechanism 201 and the second feeding mechanism 302 in the present embodiment can refer to a cn201310616924.X five-axis machine tool.

Referring specifically to fig. 3, 7 and 8, the locking assembly includes a guiding assembly for guiding the sliding seat 52 during moving and a limiting assembly for limiting the sliding seat 52 after moving;

Referring to fig. 3, 7 and 8, the guide assembly includes a fixed guide seat 541 fixedly disposed on the mounting substrate 51 and slidably connected to the sliding seat 52, a movable guide seat 542 disposed on the other side of the sliding seat 52, a limit seat 55 fixedly disposed on the mounting substrate 51 and slidably connected to the movable guide seat 542, and a locking member for locking the movable guide seat 542; in the invention, the fixed clamping seat 531 and the movable clamping seat 532 are convenient for fixing the workpiece body 11, and the locking piece is convenient for locking and releasing the movable guide seat 542, so that the sliding seat 52 is convenient for horizontally moving, the first hole site 101 and the second hole site 102 to be processed are always corresponding to the central axis of the mounting substrate 51, and further, when the processing tool bit 200 processes different hole sites, the integral position of the workpiece body 11 is not required to be frequently adjusted, the clamping and positioning time is effectively shortened, and the processing efficiency is improved. The limiting component can limit the sliding seat 52 after moving to the target position, so that the stability of the sliding seat 52 is further enhanced, the sliding seat 52 is prevented from being displaced due to vibration in the machining process, and the machining precision is ensured.

Referring to fig. 5 and 6 specifically, the adjusting assembly includes a second screw 61 rotatably disposed on the sliding seat 52, a limiting retainer 611 fixedly disposed on an outer periphery of the second screw 61, and a limiting slot 5320 disposed on the moving clamping seat 532 and adapted to the limiting retainer 611, wherein the limiting retainer 611 is disposed on an outer periphery of the second screw 61, and an outer diameter of the limiting retainer 611 is greater than an outer diameter of the second screw 61, and when the second screw 61 rotates, the limiting retainer 611 is engaged in the limiting slot 5320, so as to drive the moving clamping seat 532 to move along a length direction of the sliding seat 52, and adjust a space between the fixed clamping seat 531 and the moving clamping seat 532, so as to meet a clamping requirement of the workpiece body 11. Preferably, one end of the second screw 61 is further provided with an adjusting hand wheel which is convenient to manually rotate, so that the operation is convenient, the fine adjustment of the position of the movable clamping seat 532 can be realized, and the workpiece body 11 is ensured to be firmly clamped.

Referring to fig. 4 specifically, in order to ensure the stability of the fixing clip holder 531 and the moving clip holder 532 for clamping the workpiece body 11, the clamping surfaces of the fixing clip holder 531 and the moving clip holder 532 are respectively set to be micro conical surfaces, and elastic buffer pads are respectively arranged on the clamping surfaces, and the buffer pads are made of rubber materials, so that enough friction force can be provided to prevent the workpiece body 11 from sliding in the processing process, and the workpiece surface can be protected during clamping, so that the scratch or indentation of the workpiece surface caused by rigid contact is avoided. Meanwhile, due to the design of the micro conical surface, when the workpiece body 11 is clamped by the fixed clamping seat 531 and the movable clamping seat 532, the workpiece can be automatically centered through the guiding function of the conical surface, so that the coaxiality of clamping is further improved, the fact that the central axis of the cutter is consistent with the design axis of the hole when the machining tool bit 200 is used for machining the first hole site 101 and the second hole site 102 is ensured, and the position precision and cylindricity of hole machining are effectively improved.

Referring to fig. 3 specifically, in order to guide the moving card holder 532 during moving, the moving card holder further includes a guide block 5321 fixedly disposed on an upper end surface of the sliding seat 52, and a length direction of the guide block 5321 is parallel to an axial direction of the second screw 61, when the moving card holder 532 moves along the sliding seat 52 under the driving of the adjusting component, the guide block 5321 can limit two sides of the moving card holder 532, so as to prevent the moving card holder 532 from being laterally offset or swaying during moving, ensure that the moving card holder 532 always moves stably along a preset track, and further ensure the clamping precision of the workpiece body 11 by the fixed card holder 531 and the moving card holder 532. In addition, the guide block 5321 and the movable clamping seat 532 are in clearance fit, the clearance is controlled within the range of 0.02-0.05mm, the smooth sliding requirement of the movable clamping seat 532 can be met, sufficient guide precision can be provided, and radial swing of the movable clamping seat 532 caused by overlarge clearance is avoided.

Referring to fig. 7 and 8 specifically, the locking member includes a first screw 56 penetrating through the movable guide holder 542 and connected to the mounting substrate 51, a guide protrusion 57 fixedly disposed at one end of the movable guide holder 542 opposite to the limit holder 55, and a guide groove 571 disposed inside the limit holder 55 and adapted to the guide protrusion 57, wherein the first screw 56 is connected to the mounting substrate 51 through a threaded structure, when the position of the sliding holder 52 needs to be adjusted, the first screw 56 is unscrewed, so that the movable guide holder 542 unlocks the locking force of the sliding holder 52, and the movable guide holder 542 can slide along the limit holder 55 under the cooperation of the guide protrusion 57 and the guide groove 571, so that the sliding holder 52 is conveniently moved by pushing the sliding holder 52, and after the sliding holder 52 moves to the target position, the first screw 56 is screwed, and the movable guide holder 542 is fixed on the limit holder 55 by using the locking force of the threads, so as to achieve reliable locking of the sliding holder 52. The locking mode is simple to operate and firm in locking, and the matching of the guide protrusions 57 and the guide grooves 571 can effectively prevent the movable guide holders 542 from deflecting in the locking process, so that the positioning accuracy of the sliding holders 52 is ensured.

Referring to fig. 3 and fig. 4 specifically, the limiting assembly includes a first limiting pin 521 disposed at one end of the upper end surface of the mounting substrate 51, and a second limiting pin 522 disposed at the other end of the mounting substrate 51, where the first limiting pin 521 and the second limiting pin 522 are respectively configured as optical shafts, and when the sliding seat 52 moves to abut against the first limiting pin 521 or the second limiting pin 522, the moving stroke of the sliding seat 52 can be mechanically limited, so as to prevent the sliding seat 52 from being separated from the mounting substrate 51 due to excessive movement or from collision with other components. Specifically, when the sliding seat 52 moves in a direction approaching the first limiting pin 521, one end of the sliding seat 52 contacts with the outer peripheral surface of the first limiting pin 521, and the first limiting pin 521 plays a role in blocking to limit the sliding seat 52 from moving in the direction, and similarly, when the sliding seat 52 moves in a direction approaching the second limiting pin 522, the other end of the sliding seat 52 contacts with the second limiting pin 522, so as to limit the reverse movement of the sliding seat 52. The design of the optical shaft lever enables the limiting pin shaft to be in surface contact with the sliding seat 52, the contact area is large, contact stress can be dispersed, and deformation or damage of the sliding seat 52 due to overlarge local stress during limiting is avoided.

Referring to fig. 3 specifically, at the same time, the positions of the first limiting pin 521 and the second limiting pin 522 may be preset according to the distance between the first hole 101 and the second hole 102 on the workpiece body 11 to be processed, so that when the sliding seat 52 moves between the two limiting pins, the first limiting pin 521 and the second limiting pin 522 are connected with the mounting substrate 51 through fixing nuts, square holes through which the first limiting pin 521 and the second limiting pin 522 penetrate are provided on the mounting substrate 51, and the diameters of the square holes are slightly larger than the outer diameters of the first limiting pin 521 and the second limiting pin 522, so that when the limiting positions need to be adjusted, the fixing nuts can be unscrewed, and after the first limiting pin 521 or the second limiting pin 522 are moved to the target positions along the length direction of the square holes, the fixing nuts are screwed again, so as to realize flexible adjustment of limiting strokes, so as to adapt to the processing requirements of the distance between the holes on the workpiece body 11 with different specifications. The adjustable limiting design further enhances the universality and the adaptability of the quick-release clamp body 300, and can meet the processing clamping requirements of various workpieces.

Referring specifically to fig. 1 and 2, the adjusting mechanism includes a radial rotation mechanism and an axial rotation mechanism;

Referring to fig. 2 specifically, the radial rotation mechanism includes a first driving motor 41 fixedly connected to the base 301, a first driving pulley 411 connected to an output shaft a of the first driving motor 41, a first driving belt 413 connected to the first driving pulley, and a second driving pulley 412 connected to the other end of the first driving belt 413, where the second driving pulley 412 is connected to the mounting board 3011 through a rotation pin, two ends of the mounting board 3011 are respectively connected to the base 301 through a rotation pin, and a sealing bearing is disposed at a connection position of the rotation pin and the base 301 to ensure smooth rotation of the rotation pin in the base 301, when the first driving motor 41 is started, the output shaft a drives the first driving pulley 411 to rotate, and power is transmitted to the second driving pulley 412 through the first driving belt 413, so as to drive the rotation pin and the mounting board 3011 fixedly connected thereto to perform radial rotation around an axis of the rotation pin, so as to implement angle adjustment of the quick-release fixture 300 in a horizontal plane, so that a hole to be machined on the workpiece body 11 can be adjusted to an angle position corresponding to the tool bit 200 according to machining requirements.

Referring to fig. 2 specifically, the axial rotation mechanism includes a mounting support plate 420 fixedly connected to a rotation pin on one side, a second driving motor 42 fixedly disposed on the mounting support plate 420, a first driving pulley second 421 connected to an output shaft b of the second driving motor 42, a driving belt second 423 connected to the first driving pulley second 421, and a second driving pulley second 422 connected to the driving belt second 423, where the second driving pulley penetrates through the base 301 and is connected to the second driving pulley second 422, the second driving pulley second 422 is connected to a flange plate on the mounting plate 3011 through a rotation shaft, the flange plate rotates and is fixedly connected to the mounting plate 3011, and the flange plate is fixedly connected to the mounting plate 51, when the second driving motor 42 is started, the output shaft b drives the first driving pulley second 421 to rotate, and the driving pulley second 422 is further driven to rotate through the driving belt second 423 and the flange plate fixedly connected thereto, so that the flange plate is fixedly connected to the mounting plate 51, and the quick-release fixture 300 is driven to axially rotate around the axis of the rotation shaft, so as to adjust the angle of the fixture body 11 in a vertical plane. Through radial rotary mechanism and axial rotary mechanism's cooperation, quick detach anchor clamps body 300 can drive work piece body 11 and realize the angular adjustment of multidimension degree, satisfies the demand to the different angle machined surfaces of work piece in the five-axis linkage processing, need not the processing that the complex hole site can be accomplished to clamping many times, has further promoted machining efficiency and machining precision.

Referring to fig. 2 specifically, a track groove 4231 adapted to the second driving belt 423 is disposed on the base 301, the track groove 4231 is configured as a circular arc structure, and the center of the circle coincides with the axis of the rotating pin, when the axial rotation mechanism drives the quick release fixture 300 to rotate, the second driving belt 423 can synchronously move along the arc path of the track groove 4231, so as to avoid the interference or additional tension generated between the second driving belt 423 and the base 301 during the movement process, and ensure the stability and reliability of power transmission. The inner side wall of the track groove 4231 is also provided with a wear-resistant coating, and the coating is made of polytetrafluoroethylene material, has extremely low friction coefficient and good wear resistance, can effectively reduce friction loss between the second transmission belt 423 and the track groove 4231, and prolongs the service life of transmission parts. Meanwhile, the depth and the width of the track groove 4231 are matched with those of the second transmission belt 423, so that the second transmission belt 423 can not fall off in the groove, can flexibly move, and further improves the running stability of the axial rotating mechanism.

The device further comprises a control system electrically connected to the first driving motor 41 and the second driving motor 42 for controlling the start/stop, the rotation speed and the rotation angle of the radial rotation mechanism and the axial rotation mechanism. The control system can precisely control the rotation angle and speed of the quick release clamp body 300 according to a preset processing program or an instruction of an operator, so as to realize automatic processing. The control system further has a position feedback function, and an encoder or an angle sensor is arranged on the rotating pin shaft or the flange plate to monitor the actual rotating angle of the quick-release clamp body 300 in real time and feed signals back to the control system, so that closed-loop control is formed, and the accuracy of angle adjustment is ensured. In addition, the control system can integrate a fault diagnosis module, when the driving motor, the driving belt or the sensor component is abnormal, an alarm can be sent out in time and the operation can be stopped, so that equipment damage and processing accidents are prevented, and the safety and reliability of equipment operation are improved.

Working principle:

And the workpiece is clamped by rotating the adjusting hand wheel, rotating the screw II 61, and clamping the limiting retainer ring 611 in the limiting clamping groove 5320 to drive the movable clamping seat 532 to move along the guide block 5321, so that the distance between the fixed clamping seat 531 and the movable clamping seat 532 is adjusted to be slightly larger than the width of the workpiece body 11. The workpiece body 11 is placed between the clamping surfaces, the adjusting hand wheel is reversely rotated to enable the movable clamping seat 532 to move towards the fixed clamping seat 531, and the micro-conical clamping surfaces are matched with the elastic buffer pads to firmly clamp the workpiece body 11 and automatically center.

Hole site switching, namely unscrewing the first screw rod 56 and unlocking the locking of the movable guide seat 542 and the limiting seat 55. The sliding seat 52 is pushed to move along the fixed guide seat 541 and the movable guide seat 542, so that the first hole site 101 on the workpiece body 11 is aligned with the axis of the mounting substrate 51. The slide mount 52 is in place when it contacts either the first stop pin 521 or the second stop pin 522. Tightening the first screw 56, the guide protrusion 57 cooperates with the guide groove 571 to ensure accurate locking direction, and thus, station locking is completed.

During radial rotation, the first driving motor 41 drives the rotation pin shaft to rotate through belt transmission, so that the mounting plate 3011 and the quick-release clamp body 300 are driven to rotate in a horizontal plane around the axis of the rotation pin shaft, and radial angle adjustment of a workpiece is realized. When axially rotating, the second driving motor 42 drives the rotating shaft and the flange plate to rotate through belt transmission, so that the quick-release clamp body 300 is driven to rotate in a vertical plane around the axis of the rotating shaft, and the axial angle adjustment of the workpiece is realized. The second belt 423 is driven in the track groove 4231 to avoid interference.

And in the machining process, the first feeding mechanism 201 drives the machining tool bit 200 to machine the first hole site 101. After the machining is completed, the second hole site 102 is moved to the machining position according to the hole site switching step, and the machining is continued. After all the hole sites are machined, the adjusting hand wheel is rotated to loosen the movable clamping seat 532, and the workpiece is taken out.

The above is a preferred embodiment of the present invention, and a person skilled in the art can also make alterations and modifications to the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvements, substitutions or modifications made by the person skilled in the art on the basis of the present invention are all within the scope of the present invention.

Claims (10)

1. The quick-dismantling clamp structure of the five-axis linkage processing machine tool comprises a frame (100), a processing tool bit (200) arranged on the upper end surface of the frame (100), a first feeding mechanism (201) for driving the processing tool bit (200) to feed, a quick-dismantling clamp body (300) arranged relative to the processing tool bit (200), a mounting plate (3011) fixedly connected with the quick-dismantling clamp body (300), a base (301) connected with the mounting plate (3011), a second feeding mechanism (302) for driving the quick-dismantling clamp body (300) to feed and an adjusting mechanism for driving the quick-dismantling clamp body (300) to adjust angles, and is characterized in that the quick-dismantling clamp body (300) is rotationally connected with the base (301) through the adjusting mechanism;

The quick-release clamp body (300) comprises a mounting substrate (51) fixedly connected with the mounting plate (3011), a sliding seat (52) arranged on the upper end surface of the mounting substrate (51) in a sliding manner, a locking assembly for locking the sliding seat (52), a fixed clamping seat (531) fixedly arranged at one end of the upper end surface of the sliding seat (52), a movable clamping seat (532) arranged on the upper end surface of the sliding seat (52) in a sliding manner and an adjusting assembly for driving the movable clamping seat (532) to move;

The locking assembly comprises a guiding assembly for guiding the movement of the sliding seat (52) and a limiting assembly for limiting the sliding seat (52).

2. The quick release clamp structure of a five-axis linkage machine tool according to claim 1, wherein the guide assembly comprises a fixed guide seat (541) fixedly arranged on the mounting substrate (51) and slidably connected with the sliding seat (52), a movable guide seat (542) arranged on the other side of the sliding seat (52), a limiting seat (55) fixedly arranged on the mounting substrate (51) and slidably connected with the movable guide seat (542), and a locking piece for locking the movable guide seat (542).

3. The quick release clamp structure of a five-axis linkage machine tool according to claim 2, wherein the adjusting assembly comprises a second screw rod (61) rotatably arranged on the sliding seat (52), a limiting retainer ring (611) fixedly arranged on the periphery of the second screw rod (61), and a limiting clamping groove (5320) arranged on the movable clamping seat (532) and matched with the limiting retainer ring (611).

4. The quick release clamp structure of a five-axis linkage machine tool according to claim 3, wherein the clamping surfaces of the fixed clamping seat (531) and the movable clamping seat (532) are respectively micro conical surfaces, and elastic buffer pads are arranged on the clamping surfaces.

5. The quick release clamp structure of a five-axis linkage machine tool according to claim 4, wherein the locking member comprises a first screw rod (56) penetrating through a movable guide seat (542) and connected with the mounting substrate (51), a guide protrusion (57) fixedly arranged at one end of the movable guide seat (542) opposite to the limit seat (55), and a guide groove (571) arranged at the inner side of the limit seat (55) and matched with the guide protrusion (57).

6. The quick release clamp structure of a five-axis linkage machine tool of claim 5, wherein the limiting assembly comprises a first limiting pin shaft (521) arranged at one end of the upper end face of the mounting substrate (51) and a second limiting pin shaft (522) arranged at the other end of the mounting substrate (51).

7. The quick release clamp structure of a five-axis linkage processing machine tool according to claim 6, wherein the first limiting pin shaft (521) and the second limiting pin shaft (522) are connected with the mounting substrate (51) through fixing nuts respectively, and square round holes for the first limiting pin shaft (521) and the second limiting pin shaft (522) to penetrate are formed in the mounting substrate (51).

8. The quick release clamp structure of a five-axis linkage machine tool of claim 7, wherein:

The adjusting mechanism comprises a radial rotating mechanism and an axial rotating mechanism;

The radial rotating mechanism comprises a first driving motor (41) fixedly connected with the base (301), a first driving belt pulley I (411) connected with an output shaft a of the first driving motor (41), a driving belt I (413) connected with the first driving belt pulley I (411) and a second driving belt pulley I (412) connected with the other end of the driving belt I (413), and the second driving belt pulley I (412) is connected with the mounting plate (3011) through a rotating pin shaft;

The axial rotating mechanism comprises a mounting support plate (420) fixedly connected with one side of the rotating pin shaft, a second driving motor (42) fixedly arranged on the mounting support plate (420), a first driving belt wheel II (421) connected with an output shaft b of the second driving motor (42), a driving belt wheel II (423) connected with the first driving belt wheel II (421) and a second driving belt wheel II (422) connected with the driving belt wheel II (423), wherein the second driving belt wheel II (422) is connected with a flange plate through a rotating shaft, and the flange plate is rotationally connected with the mounting plate (3011) and fixedly connected with the mounting substrate (51).

9. The quick-release clamp structure of a five-axis linkage machine tool according to claim 7, wherein the base (301) is provided with a track groove (4231) matched with the second transmission belt (423), the track groove (4231) is in a circular arc structure, and the circle center of the track groove is coincident with the axis of the rotating pin shaft.

10. The quick release clamp structure of a five-axis linkage machine tool according to claim 9, wherein a guide block (5321) is fixedly arranged on the upper end face of the sliding seat (52), and the length direction of the guide block (5321) is parallel to the axis direction of the screw rod II (61) and is used for guiding movement of the movable clamping seat (532).