CN223971237U - New energy shell-reducing processing positioning fixture - Google Patents

Abstract

This utility model discloses a positioning fixture for new energy shell reduction machining in the field of positioning fixture technology. It includes a fixed base plate, a rotating support base, and a rotating positioning table. A supporting power box is integrally mounted on the fixed base plate. A rotating positioning table is positioned above the supporting power box and rotatably connected above it. Both ends of the rotating positioning table are provided with a supporting fixed base and a positioning support base. The supporting fixed base has threaded holes, and a positioning pin is installed on one end of the positioning support base. The rotating positioning table in this utility model can rotate forward and backward within a 180-degree range under the action of a rotating motor, thereby realizing the rotational adjustment of the workpiece. This allows the bearing holes to be machined on the shell to be located at the end closest to the boring machine spindle, completing the boring of two bearing holes in one clamping operation, effectively ensuring machining accuracy and efficiency.

Description

New energy shell-reducing processing positioning fixture

Technical Field

The utility model belongs to the technical field of positioning fixtures, and particularly relates to a new energy shell-reducing machining positioning fixture.

Background

The new energy source subtracts the shell and just means new energy automobile rear axle reduction gear differential mechanism shell, subtract and be provided with double bearing seat structure on the shell, in the double bearing seat structure course of working, it is higher to the axiality requirement, carry out the bearing hole processing to subtracting the bearing frame structure on the shell, adopt the bore hole more, when boring bar elongation is great, can produce great vibration, influence the bore hole precision, therefore in the actual course of working, usually after accomplishing the bearing frame structure bore hole of one side, rotate 180 with the work piece, carry out the bore hole processing of opposite side bearing frame structure again, the work piece rotates the in-process and need hoist and mount and relocation, alignment time is longer after the relocation, influence machining efficiency, and there is certain error in the alignment process of twice, have an influence to the axiality of double bearing seat structure.

The present utility model has been made in view of this.

Disclosure of utility model

The utility model aims to solve the technical problems by overcoming the defects of the prior art, providing a new energy source shell-reducing processing positioning clamp, and aiming to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

The utility model provides a new forms of energy subtracts shell processing positioning fixture, includes PMKD, rotates supporting seat and rotation positioning table, the last integral type of PMKD is provided with the support headstock, the top of supporting the headstock is provided with rotation positioning table, the top rotation connection of rotation positioning table is provided with rotation positioning table, the both ends of rotation positioning table all are provided with support fixing base and location supporting seat, processing threaded hole on the support fixing base, one end install locating pin one on the location supporting seat, the other end install locating pin two on the location supporting seat, install the gearbox in the support headstock, the side of gearbox is provided with rotating electrical machines, the output shaft of gearbox is connected with the axis of rotation through the shaft coupling, the axis of rotation with rotation positioning table fixed connection, the lower extreme position of axis of rotation is installed the rolling disc, the outside of rolling disc is provided with stopper one and stopper two respectively, the interior top of supporting the headstock corresponds and is provided with buffer block two, realizes rotation angle's precision location and spacing through the cooperation of locating piece and buffer block.

As a further scheme of the utility model, the support fixing seat is provided with a fixing stud, the fixing stud is of a double-end stud structure, the fixing stud is provided with a fixing nut, and the fixing nut and the fixing stud are used for fixedly mounting the shell reduction on the positioning fixture.

As a still further scheme of the utility model, the first positioning pin and the second positioning pin are of step pin structures, the lower parts of the first positioning pin and the second positioning pin are provided with step supporting surfaces, and the step supporting surfaces are contacted with the shell reduction supporting surfaces to effectively support the shell reduction.

As a still further scheme of the utility model, the first positioning pin and the second positioning pin are arranged in a diagonal structure, an operation box is fixedly arranged on the outer side of the supporting power box, a forward rotation button and a reverse rotation button are arranged on the operation box, and the operation box is used for controlling the rotation motor to work.

As a still further proposal of the utility model, a matching bearing is arranged at the matching position between the rotating shaft and the rotating support seat, and the buffer block I and the buffer block II are made of anti-collision buffer materials, so as to effectively limit the rotating angle of the rotating disc.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.

The shell-reducing machining positioning fixture is provided with the rotating positioning table, the rotating positioning table can realize forward and reverse rotation within a range of 180 degrees under the action of the rotating motor, further the rotation adjustment of a machined workpiece is realized, the machined bearing holes on the shell-reducing machine are positioned at one end close to a spindle of a boring machine, boring machining of two bearing holes is completed through one-time clamping, and machining precision and machining efficiency can be effectively guaranteed.

A rotating disc is arranged on a rotating shaft below a rotating positioning table, a first limiting block and a second limiting block are arranged on the outer side of the rotating disc, a first buffer block and a second buffer block are arranged on the inner top of a supporting power box in a matched mode, and precision positioning and limiting of a rotating angle are achieved through matching of a positioning block and the buffer blocks.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a side view of the present utility model;

FIG. 4 is a schematic view of the interior of the supporting power case of the present utility model;

FIG. 5 is a schematic diagram illustrating the layout of the buffer block and the stopper according to the present utility model.

In the figure, 1, a bottom plate is fixed; 2, supporting a power box; 3, rotating the positioning table; 4, a supporting fixing seat, 5, a fixing stud, 6, a fixing nut, 7, a first positioning pin, 8, a second positioning pin, 9, a positioning supporting seat, 10, a step supporting surface, 11, a control box, 12, a rotating supporting seat, 13, a gearbox, 14, a rotating motor, 15, a rotating disc, 16, a rotating shaft, 17, a matched bearing, 18, a buffer block I, 19, a first limiting block, 20, a buffer block II, 21 and a second limiting block.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 5, the new energy source shell reduction processing positioning fixture comprises a fixed bottom plate 1, a rotating supporting seat 12 and a rotating positioning table 3, wherein a supporting power box 2 is integrally arranged on the fixed bottom plate 1, the rotating positioning table 3 is arranged above the supporting power box 2, the rotating positioning table 3 is rotatably connected and arranged above the rotating positioning table 3, the two ends of the rotating positioning table 3 are respectively provided with a supporting fixed seat 4 and a positioning supporting seat 9, a threaded hole is processed on the supporting fixed seat 4, a positioning pin I7 is arranged on the positioning supporting seat 9 at one end, a positioning pin II 8 is arranged on the positioning supporting seat 9 at the other end, a gearbox 13 is arranged in the supporting power box 2, a rotating motor 14 is arranged on the side edge of the gearbox 13, an output shaft of the gearbox 13 is connected with a rotating shaft 16 through a coupler, the rotating shaft 16 is fixedly connected with the rotating positioning table 3, a rotating disc 15 is arranged at the lower end position of the rotating shaft 16, a limiting block I19 and a limiting block II 21 are respectively arranged on the outer side of the rotating disc 15, a buffer block I18 and a buffer block II 20 are correspondingly arranged at the inner top of the supporting power box 2, and the positioning precision and the positioning of the buffer block and the buffer block II are realized through the matching of the buffer block and the positioning precision and the buffer block.

The support fixing seat 4 is provided with a fixing stud 5, the fixing stud 5 is of a double-end stud structure, the fixing stud 5 is provided with a fixing nut 6, and the fixing nut 6 and the fixing stud 5 are used for fixedly mounting the shell reduction on the positioning clamp.

The first positioning pin 7 and the second positioning pin 8 are of step pin structures, a step supporting surface 10 is arranged at the lower part of the first positioning pin, and the step supporting surface 10 is in contact with a shell reduction supporting surface to effectively support the shell reduction.

The first locating pin 7 and the second locating pin 8 are arranged in a diagonal structure, the outer side of the supporting power box 2 is fixedly provided with a control box 11, the control box 11 is provided with a forward rotating button and a reverse rotating button, and the control box 11 is used for controlling the rotating motor 14 to work.

The matching position between the rotating shaft 16 and the rotating support seat 12 is provided with a matching bearing 17, and the buffer block I18 and the buffer block II 20 are made of anti-collision buffer materials, so that the rotating angle of the rotating disc 15 is effectively limited.

The boring machine has the working principle that when new energy source shell reduction boring is carried out, a fixed bottom plate 1 of a positioning clamp is fixed on one side, close to a main shaft, of a workbench of a boring machine, a flange surface of an energy source shell reduction is contacted with the top surface of a supporting fixed seat 4, a first positioning pin 7 and a second positioning pin 8 are matched with corresponding pin holes, then the shell reduction is fixedly arranged on a rotating positioning table 3 by utilizing the matching of a fixed stud 5 and a fixed nut 6, a boring cutter is used for boring a bearing hole, after the bearing hole on one side is processed, a rotating motor 14 is regulated by a button on an operating box 11, the rotating motor 14 drives a rotating shaft 16 to rotate through a gearbox 13, a rotating disc 15 on the rotating shaft 16 synchronously rotates, an angular displacement sensor is arranged on an output shaft of the rotating motor 14 and used for controlling the rotating angle, a first limiting block 19 and a second limiting block 21 are arranged on the rotating disc 15, and the bearing hole on the other side is processed after the bearing hole is rotated 180 degrees.

The novel structure design who uses is reasonable, installation convenient to use is provided with on the processing positioning fixture of subtracting the shell and rotates positioning table 3, rotate positioning table 3 can realize 180 degrees within range positive and negative rotations under the effect of rotating motor 14, and then realize being processed the rotation regulation of work piece, make the bearing hole that is processed on subtracting the shell be close to boring machine main shaft's one end, the bore hole processing of two bearing holes is accomplished to the clamping once, can effectually guarantee machining precision and machining efficiency, install rolling disc 15 on the axis of rotation 16 of rotation positioning table 3 below, the outside of rolling disc 15 is provided with stopper one 19 and stopper two 21, the interior top of supporting headstock 2 is provided with buffer block one 18 and buffer block two 20 in a supporting way, through the cooperation of locating piece and buffer block, realize rotation angle's precision location and spacing.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the utility model, may be made by those skilled in the art without departing from the scope of the utility model.

Claims (5)

1. The utility model provides a new forms of energy subtracts shell processing positioning fixture, includes fixed baseplate (1), rotates supporting seat (12) and rotates positioning table (3), its characterized in that, fixed baseplate (1) is gone up the integral type and is provided with support power case (2), the top of supporting power case (2) is provided with rotation positioning table (3), the top rotation connection of rotation positioning table (3) is provided with rotation positioning table (3), the both ends of rotation positioning table (3) all are provided with support fixing base (4) and positioning support seat (9), processing threaded hole on support fixing base (4), one end install locating pin one (7) on positioning support seat (9) of the other end install locating pin two (8) on positioning support seat (9), install gearbox (13) in supporting power case (2), the side of gearbox (13) is provided with rotation motor (14), the output shaft of gearbox (13) is connected with axis of rotation (16) through the shaft coupling, axis of rotation (16) with rotation positioning table (3) are fixed connection's stopper (16), stopper (15) are installed in two positions (15) respectively, the inner top of the supporting power box (2) is correspondingly provided with a first buffer block (18) and a second buffer block (20).

2. The new energy source shell reduction processing positioning fixture according to claim 1, wherein a fixing stud (5) is arranged on the supporting fixing seat (4), the fixing stud (5) is of a double-end stud structure, and a fixing nut (6) is arranged on the fixing stud (5).

3. The new energy shell reduction processing positioning fixture according to claim 2, wherein the first positioning pin (7) and the second positioning pin (8) are of step pin structures, a step supporting surface (10) is arranged at the lower part of the first positioning pin, and the step supporting surface (10) is in contact with the shell reduction supporting surface.

4. The new energy shell reduction processing positioning fixture according to claim 3, wherein the first positioning pin (7) and the second positioning pin (8) are arranged in a diagonal structure, an operation box (11) is fixedly arranged on the outer side of the support power box (2), and a forward rotation button and a reverse rotation button are arranged on the operation box (11).

5. The new energy shell reduction processing positioning fixture according to claim 4, wherein a matching bearing (17) is arranged at a matching position between the rotating shaft (16) and the rotating support seat (12), and the buffer block I (18) and the buffer block II (20) are made of anti-collision buffer materials.