CN113182425A

CN113182425A - Automatic scribble three-way pipe processing equipment of lubricating oil

Info

Publication number: CN113182425A
Application number: CN202110520978.0A
Authority: CN
Inventors: 梁浩璋; 刘涛
Original assignee: Shaoxing Rongdi Machinery Co ltd
Current assignee: Shaoxing Rongdi Machinery Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-07-30
Anticipated expiration: 2041-05-13
Also published as: CN113182425B

Abstract

The invention discloses a three-way pipe processing equipment for automatic lubricating oil. The first mold and the second mold of the cavity, the second mold is provided with a bulging channel that communicates with the cylindrical cavity, the extrusion head is provided above the second mold, the first mold is provided with a positioning block, and the fixed mold base A bulging ball channel with an inlet connected to a bulging channel is provided, a guide head is connected to the telescopic end of the second hydraulic cylinder, a lubricating oil extrusion cavity is arranged at the bottom of the guide head, and the upper end of the extrusion head is slidably arranged in the lubricating oil extrusion cavity, The lubricating oil extrusion cavity is provided with an oil inlet pipe and an oil outlet pipe each having a one-way valve, and the outlet of the oil outlet pipe is aligned with the junction of the bulging channel and the cylindrical cavity. This three-way pipe processing equipment can automatically apply lubricating oil at the beginning of bulging to prevent the lubricating oil from being lost during bulging.

Description

Automatic scribble three-way pipe processing equipment of lubricating oil

Technical Field

The invention belongs to the technical field of pipeline processing equipment, and particularly relates to three-way pipe processing equipment capable of automatically coating lubricating oil.

Background

The three-way pipe is a joint commonly used in liquid and gas pipe networks, the existing three-way pipe processing equipment generally adopts an expansion method to process and generally comprises a three-way pipe die and a pressurizing device, a cavity of the three-way pipe die comprises a transverse channel and a channel communicated with the transverse channel and extending laterally, a cylindrical pipe is placed into the transverse channel of the three-way pipe die during processing, a liquid medium is filled into the cylindrical pipe and extruded, the cylindrical pipe is deformed and shortened due to the pressure at two ends in the extruding process, and the liquid medium is pressed to laterally push the cylindrical pipe to deform towards the channel extending laterally, so that the cylindrical pipe forms a three-way pipe shape matched with the cavity of the three-way pipe die, then the end surface of the channel extending laterally is cut off to form a blank of the three-way pipe, and the blank of the three-way pipe can be processed into the three-way pipe after subsequent processing. In the processing mode, water is generally used as a pressure medium, so that the water consumption is large during production, and the energy conservation and emission reduction are not facilitated; in addition, the requirement on the sealing performance of the equipment is high during processing, so that the production cost of the equipment is high, frequent maintenance is needed to ensure the sealing performance, water is filled in the cylindrical pipe during the processing, the lubricating oil cannot be smeared on the pipe during the extrusion process, so that cracks are easily generated during the pressurization deformation process of the pipe, and the product yield is reduced.

In order to solve the technical problem, the applicant develops a novel three-way pipe processing device, which comprises an operation platform, wherein a movable die holder and a fixed die holder are arranged on the operation platform, a first die and a second die which can be closed to form a cylindrical cavity are respectively arranged on the movable die holder and the fixed die holder, the movable die holder is driven by a first hydraulic cylinder, an expanding channel communicated with the cylindrical cavity is arranged on the second die, an extrusion head driven by a second hydraulic cylinder is arranged above the second die, a positioning block is arranged in the first die, the extrusion head extrudes towards the side of the positioning block to press an expanding ball to the expanding channel, an expanding ball channel is arranged in the fixed die holder, and an inlet of the expanding ball channel is communicated with the expanding channel. When the three-way pipeline processing equipment is used for processing, firstly, an oval hole is punched on a cylindrical pipe, lubricating oil is smeared on the cylindrical pipe around the oval hole, the oval hole of the cylindrical pipe is aligned to an expansion channel and placed into a cavity of a first die, a first hydraulic cylinder extends out to match the first die and a second die, a second hydraulic cylinder extends out of an extrusion head to extrude an expansion ball, the expansion ball is extruded from the expansion channel and the cylindrical pipe is changed into a green body of a three-way pipe, then the first hydraulic cylinder retracts to open the die, and the expansion ball rolls out from the expansion channel from the expansion ball channel. The three-way pipe machining device needs to be coated with lubricating oil in advance during machining, most of the lubricating oil coated in advance is lost during bulging, machining efficiency is reduced, workload of workers is large, lubricating oil coating effect is reduced, and cracks are still easy to generate.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the three-way pipe processing equipment capable of automatically coating the lubricating oil, which can avoid coating the lubricating oil when the cylindrical pipe is arranged in the cavity of the first die, improves the processing efficiency, reduces the workload of workers, automatically coats the lubricating oil when bulging extrusion begins, prevents the lubricating oil from being lost when bulging, and reduces the possibility of generating cracks.

In order to solve the technical problem, the invention is solved by the following technical scheme: a three-way pipe processing device capable of automatically punching comprises an operating platform, wherein a movable die holder and a fixed die holder are arranged on the operating platform, a first die and a second die which can be closed to form a cylindrical die cavity are respectively arranged on the movable die holder and the fixed die holder, the movable die holder is driven by a first hydraulic cylinder, an expansion channel communicated with the cylindrical die cavity is arranged on the second die, an extrusion head driven by a second hydraulic cylinder is arranged above the second die, a positioning block is arranged in the first die, the extrusion head extrudes an expansion ball towards the side of the positioning block to press the expansion ball to the expansion channel, an expansion ball channel is arranged in the fixed die holder, an inlet of the expansion ball channel is communicated with the expansion channel, a guide head is connected with a telescopic end of the second hydraulic cylinder, a lubricating oil extrusion cavity is arranged at the bottom of the guide head, and the upper end of the extrusion head is slidably arranged in the lubricating oil extrusion cavity, the lubricating oil extrusion cavity is provided with an oil inlet pipeline and an oil outlet pipeline, the oil inlet pipeline is connected with an oil tank, the outlet of the oil outlet pipeline is aligned with the joint of the bulging channel and the cylindrical cavity, the oil inlet pipeline and the oil outlet pipeline are both provided with one-way valves, and the first hydraulic cylinder and the second hydraulic cylinder are connected with a control device. When the three-way pipeline processing equipment is used, when the second hydraulic cylinder extends out for bulging processing, the extrusion head can move towards the lubricating oil extrusion cavity, lubricating oil in the lubricating oil extrusion cavity is extruded to the outer wall of the cylindrical pipe from the oil outlet pipeline, in the process that the second hydraulic cylinder retracts to drive the extrusion head to move upwards, the extrusion head moves towards the outside of the lubricating oil extrusion cavity due to self gravity, the lubricating oil is automatically sucked into the lubricating oil extrusion cavity from the oil tank through the oil inlet pipeline, automatic smearing of the lubricating oil is achieved, manual smearing of the lubricating oil is not needed before the cylindrical pipe is installed into the cavity of the first die, processing efficiency is improved, workload of workers is reduced, the lubricating oil can be automatically smeared when bulging extrusion begins, the lubricating oil is prevented from being lost when bulging, and possibility of crack generation is reduced.

In the above technical scheme, preferably, the extrusion head is provided with a guide inclined plane, and the positioning block is provided with a horizontal guide groove.

In the above technical solution, preferably, the positioning block is provided with a notch matching the guide slope.

In the above technical scheme, preferably, a punch driven by a third hydraulic cylinder and extending along the axial direction of the bulging passage is arranged in the fixed die holder, the positioning block is driven to ascend and descend by a second linear driving device, the second linear driving device is arranged at the bottom of the movable die holder, a waste discharge passage is arranged in the positioning block, when the positioning block is located at the top position, an inlet at the upper end of the waste discharge passage is aligned to the punch, when the positioning block is located at the bottom position, the punch is aligned to the center of the bulging ball located above the positioning block, and the third hydraulic cylinder and the second linear driving device are connected with the control device. Because the cylindrical pipe is punched firstly and then is placed in the cavity of the first die, the punched hole needs to be aligned to the bulging channel, and because the cylindrical pipe is placed manually, precision deviation is easy to occur, the blank body processing precision of the three-way pipe formed by final bulging is not high, and an opening formed by bulging is distorted and twisted. The cylindrical pipe does not need to be punched before being placed in the cavity of the first die, after the first die and the second die are closed, the second linear driving device drives the cylindrical pipe to ascend, an inlet at the upper end of the waste discharge channel is aligned to the punch, the third hydraulic cylinder pushes the punch to punch a hole in the cylindrical pipe, and waste materials generated by punching fall down from the waste discharge channel; not only improved machining efficiency, need not counterpoint when putting the die cavity of first mould with the cylinder pipe moreover, the alignment bulging passageway that the hole after punching a hole can be accurate improves the machining precision.

In the above technical scheme, preferably, an air passage connected with an air pump is arranged on the movable die holder, when the positioning block is located at the top position, an outlet at the lower end of the waste discharge passage is aligned with the air passage, an outlet of the bulging ball passage is hinged with a movable door for sealing the outlet of the bulging ball passage, a deflector rod is radially arranged on a rotating shaft of the movable door, a second light-touch switch matched with the deflector rod is arranged on the fixed die holder on one side of the movable door, and the air pump and the second light-touch switch are connected with the control device. Because the situation that the punch is broken exists in the punching, the situation that the punch is not passed can occur, the situation that the punch cannot be directly observed outside the fixed die holder, the second hydraulic cylinder and the extrusion head are overloaded and equipment can be damaged due to the fact that the extrusion bulging ball is directly extruded to perform bulging processing, whether the punch is passed or not needs to be detected, when the punch is punched, the third hydraulic cylinder pushes the punch to stretch and retract once, the control device controls the air pump to blow air into the air passage, if the lower end of the waste discharge passage is aligned with the air passage, most of air can flow through the waste discharge passage, the punched hole and the bulging ball passage to push the movable door open, when the movable door is pushed open, the second tact switch is pressed by the deflector rod, if the second tact switch feeds back an electric signal to the control device, the punching is successful, the next processing is continuously performed, and if the punching is unsuccessful, the second tact switch does not feed back the electric signal to the control device, the control device does not perform the next operation any more, and prompts workers to overhaul. Adopt this structure can whether the automated inspection punches a hole successfully, prevent that second pneumatic cylinder and extrusion head from damaging because of the load is too big. And also can promote the dodge gate when the bulging ball rolls out from bulging ball passageway, the second light touch switch can be pressed by the driving lever when pushing open the dodge gate, if the second light touch switch feeds back the signal of telecommunication to controlling means then shows that the bulging ball rolls out normally, if the second light touch switch does not feed back the signal of telecommunication to controlling means, then it needs the maintenance to show that the bulging ball card needs in the bulging ball passageway.

Compared with the prior art, the invention has the following beneficial effects: when the three-way pipeline processing equipment is used, when the second hydraulic cylinder extends out for bulging processing, the extrusion head can move towards the lubricating oil extrusion cavity, lubricating oil in the lubricating oil extrusion cavity is extruded to the outer wall of the cylindrical pipe from the oil outlet pipeline, in the process that the second hydraulic cylinder retracts to drive the extrusion head to move upwards, the extrusion head moves towards the outside of the lubricating oil extrusion cavity due to self gravity, the lubricating oil is automatically sucked into the lubricating oil extrusion cavity from the oil tank through the oil inlet pipeline, automatic smearing of the lubricating oil is achieved, manual smearing of the lubricating oil is not needed before the cylindrical pipe is installed into the cavity of the first die, processing efficiency is improved, workload of workers is reduced, the lubricating oil can be automatically smeared when bulging extrusion begins, the lubricating oil is prevented from being lost when bulging, and possibility of crack generation is reduced.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention.

Fig. 2 is a left side view structural diagram of the embodiment of the invention.

FIG. 3 is a schematic cross-sectional view of the cylindrical tube and the expansion ball in the embodiment of the present invention.

Fig. 4 is a schematic sectional view of punching after mold clamping according to an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional structural view of the extrusion head in the process of downward bulging according to the embodiment of the present invention.

FIG. 6 is a schematic cross-sectional view of the mold opening according to the embodiment of the present invention.

FIG. 7 is a schematic cross-sectional view of an embodiment of an expanding ball hoisting conduit according to the present invention.

FIG. 8 is a schematic view showing a configuration of a first mold in which a cylindrical pipe is inserted according to an embodiment of the present invention.

FIG. 9 is a schematic diagram of the movable clamping blocks clamping and centering a cylindrical pipe according to the embodiment of the invention.

Fig. 10 is a schematic sectional view of the upper movable clamp block in the embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 10, a three-way pipe processing device capable of automatically coating lubricating oil comprises an operation platform 100, wherein a movable die holder 1 and a fixed die holder 2 are arranged on the operation platform 100, a first die 3 is arranged on the movable die holder 1, a second die 4 is arranged on the fixed die holder 2, semicircular cavities are oppositely arranged on the first die 3 and the second die 4, the movable die holder 1 can drive the first die 3 and the second die 4 to be closed to form a cylindrical cavity, the movable die holder 1 is driven by a first hydraulic cylinder 5, a slide rail is arranged at the bottom of the movable die holder 1, an expanding channel 42 communicated with the cylindrical cavity is arranged on the second die 4, an extrusion head 7 driven by a second hydraulic cylinder 6 is arranged above the second die 4, the extrusion head 7 is aligned with the cavity of the second die 4, a positioning block 8 is arranged in the first die 3, the extrusion head 7 extrudes towards the side of the positioning block 8 and can press an expanding ball 9 to the expanding channel 42, an expansion ball channel 21 is arranged in the fixed die holder 2, the inlet of the expansion ball channel 21 is communicated with an expansion channel 42, the inlet of an expansion ball falling pipeline 101 is arranged below the outlet of the expansion ball channel 21, the bottom of the expansion ball falling pipeline 101 is communicated with an expansion ball lifting pipeline 102 through a downward inclined pipeline, an expansion ball lifting plate 103 is arranged in the expansion ball lifting pipeline 102 in a sliding manner, the expansion ball lifting plate 103 is driven to lift by a first linear driving device 104 which can slide along the expansion ball lifting pipeline 102 in a reciprocating manner in the radial direction, in the embodiment, the first linear driving device 104 is a cylinder, in other embodiments, other linear driving devices such as an electric cylinder or a hydraulic cylinder are certainly arranged, the outlet of the top of the expansion ball lifting pipeline 102 is obliquely downward aligned with a ball outlet pipeline 105 at the top of the first die 3, an electromagnet 11 which attracts the expansion balls 9 to enter the ball outlet pipeline 105 is arranged on the ball outlet pipeline 105, the first hydraulic cylinder 5, the second hydraulic cylinder 6, the first linear drive device 104, and the electromagnet 11 are connected to a control device (not shown). When the three-way pipeline processing equipment is processed, firstly, an oval hole is punched on a cylindrical pipe 200, lubricating oil is coated on the cylindrical pipe 200 around the oval hole, the oval hole of the cylindrical pipe 200 is aligned with an expanding channel 42 and is placed into a cavity of a first die 3, a switch is started, a control device controls a first linear driving device 104 to lift an expanding ball 9, the expanding ball 9 automatically falls into the cylindrical pipe 200 from a ball outlet pipeline 105, the first linear driving device 104 resets, then the first hydraulic cylinder 5 extends out to match the first die 3 and a second die 4, then a second hydraulic cylinder 6 extends out to extrude a squeezing head 7 to squeeze the expanding ball 9, so that the expanding ball 9 is extruded from the expanding channel 42 and enables the cylindrical pipe 200 to be deformed into a green body of a three-way pipe, then the first hydraulic cylinder 5 retracts to open the die, the expanding ball 9 enters an expanding ball channel 21 from the expanding channel 42 and falls into an aligning expanding ball falling pipeline 101 along the expanding ball channel 21, the bulging ball 9 falls on the bulging ball lifting plate 103 along the pipeline, one-time processing is completed, the three-way pipe processing equipment does not need liquid medium, a large amount of water is saved, energy conservation and emission reduction are facilitated, sealing is not needed, the requirement on the equipment sealing performance is lowered, and due to the fact that the liquid medium does not need to participate, lubricating oil can be smeared on the surface of the cylindrical pipe during processing, and cracks are prevented from being generated in the processing process of the cylindrical pipe.

In this embodiment, an axial guide opening 106 is formed in a side wall of the expanding ball lifting pipe 102, a movable end of the first linear driving device 104 extends into the expanding ball lifting pipe 102 from the guide opening 106, the movable end of the first linear driving device 104 is connected with the expanding ball lifting plate 103, the expanding ball lifting pipe 102 below the guide opening 106 forms a lubricating oil storage cavity 107, lubricating oil is filled in the lubricating oil storage cavity 107, and when the movable end of the first linear driving device 104 is located at the bottom of the guide opening 106, the expanding ball lifting plate 103 is immersed in the lubricating oil. Adopt this structure can make bulging ball 9 scribble lubricating oil automatically when getting into lubricating oil storage chamber 107, indirect can scribble lubricating oil to the automatic inner wall of cylindrical tube 200 that scribbles of realization lubricating oil, can not scribble lubricating oil when the die cavity of first mould 3 is being packed into to cylindrical tube 200.

In this embodiment, a connecting rod 108 is disposed on the expansion ball lifting plate 103, the bottom of the connecting rod 108 is connected to the expansion ball lifting plate 103, and the upper end of the connecting rod 108 is connected to the movable end of the first linear driving device 104 through a connecting member 109.

In this embodiment, the extrusion head 7 is provided with a guide slope 71, and the positioning block 8 is provided with a horizontal guide groove 81.

In the present embodiment, the positioning block 8 is provided with a notch 82 matching the guide slope 71.

In this embodiment, the telescopic end of the second hydraulic cylinder 6 is connected with a guide head 61, a lubricant extrusion chamber 62 is arranged at the bottom of the guide head 61, the upper end of the extrusion head 7 is slidably arranged in the lubricant extrusion chamber 62, an oil inlet pipe 63 and an oil outlet pipe 64 are arranged on the lubricant extrusion chamber 62, the oil inlet pipe 63 is connected with an oil tank, the outlet of the oil outlet pipe 64 is aligned with the joint of the bulging passage 42 and the cylindrical cavity, and a check valve 65 is arranged on each of the oil inlet pipe 63 and the oil outlet pipe 64. Adopt this structure to stretch out the in-process that promotes extrusion head 7 and push down at second pneumatic cylinder 6, extrusion head 7 can move in to lubricating oil extrusion chamber 62, extrude the lubricating oil in lubricating oil extrusion chamber 62 to the outer wall of cylinder pipe 200 from oil outlet pipe 64, in the in-process that second pneumatic cylinder 6 retracts and drive extrusion head 7 and move up, the extrusion head moves outside lubricating oil extrusion chamber 62 because of self gravity to automatic inhale lubricating oil extrusion chamber 62 from the oil tank in through advancing oil pipe 63, realize the automatic smearing of lubricating oil, cylinder pipe can not scribble lubricating oil when packing into the die cavity of first mould 3.

In this embodiment, a guide bracket is provided below the second hydraulic cylinder 6, the guide head 61 slides on the guide bracket 66, a protective cover 67 is provided on the guide bracket 66, and the protective cover 67 has an opening for avoiding the oil inlet pipe 63 and the oil outlet pipe 64.

In this embodiment, a punch 13 driven by a third hydraulic cylinder 12 is disposed in the fixed die holder 2 and extends and retracts along the axial direction of the bulging passage 42, the positioning block 8 is driven to move up and down by a second linear driving device 14, in this embodiment, the second linear driving device 14 is an air cylinder, although in other embodiments, the second linear driving device 14 may be an hydraulic cylinder or an electric cylinder, the second linear driving device 14 is disposed at the bottom of the movable die holder 1, an opening through which the second linear driving device 14 passes is disposed on the operating platform 100, a waste discharge passage 83 is disposed in the positioning block 8, when the positioning block 8 is located at the top position, an inlet at the upper end of the waste discharge passage 83 is aligned with the punch 13, when the positioning block 8 is located at the bottom position, the punch 13 is aligned with the center of the bulging ball 9 located above the positioning block 8, and the third hydraulic cylinder 12 and the second linear driving device 14 are connected with a control device. With the adoption of the structure, the cylindrical pipe 200 does not need to be punched before being placed in the cavity of the first die 3, after the first die 3 and the second die 4 are closed, the second linear driving device 14 drives the first die 3 and the second die 4 to ascend, the inlet at the upper end of the waste discharge channel 83 is aligned to the punch 13, the inlet of the waste discharge channel 83 serves as a lower die of the punch 13, the third hydraulic cylinder 12 pushes the punch 13 to punch a hole on the cylindrical pipe 200, and waste materials generated by punching fall from the waste discharge channel 83; not only improves the processing efficiency, but also does not need to align when the cylindrical tube 200 is placed in the cavity of the first die 3, and the punched hole can be accurately aligned with the bulging passage 42, thereby improving the processing precision.

In this embodiment, an air passage 151 connected to the air pump 15 is provided on the movable die holder 1, when the positioning block 8 is located at the top position, the outlet at the lower end of the waste discharge passage 83 is aligned with the air passage 151, the outlet of the bulging ball passage 21 is hinged with a movable door 16 for sealing the outlet of the bulging ball passage 21, a shift lever 161 is radially provided on the rotating shaft of the movable door 16, a second light touch switch 17 matched with the shift lever 161 is provided on the fixed die holder 2 at one side of the movable door 16, and the air pump 15 and the second light touch switch 17 are connected to a control device. Because the situation that the punch 13 is broken exists in the punched hole, the situation that the punched hole is not through may occur, and the situation that the punch 13 cannot be directly observed outside the fixed die holder 2, the direct bulging processing of the extruding bulging ball 9 may cause the second hydraulic cylinder 6 and the extruding head 7 to have excessive loads, which may cause equipment damage, it is necessary to detect whether the punched hole is through, when the punched hole is punched, after the third hydraulic cylinder 12 pushes the punch 13 to stretch and contract once, the control device controls the air pump 15 to blow air into the air passage 151, because the lower end of the waste discharge passage 83 is aligned with the air passage 151 at this time, if the punching is successful, most of the air passes through the waste discharge passage 83, the punched hole and the bulging ball passage 21 to flow and push the movable door 16 open, when the movable door 16 is pushed open, the second tact switch 17 is pressed by the shift lever 161, if the second tact switch 17 feeds back an electric signal to the control device, the punching is successful, and the next processing is continued, if the punching is unsuccessful, the second light touch switch 17 can not feed back an electric signal to the control device, and the control device does not perform the next operation any more, so that the worker is prompted to overhaul. By adopting the structure, whether punching is successful or not can be automatically detected, and the second hydraulic cylinder 6 and the extrusion head 7 are prevented from being damaged due to overlarge load. And when the bulging ball 9 rolls out from the bulging ball channel 21, the movable door 16 is also pushed, when the movable door 16 is pushed open, the second light touch switch 17 is pressed by the shift lever 161, if the second light touch switch 17 feeds back an electric signal to the control device, the bulging ball 9 rolls out normally, and if the second light touch switch 17 does not feed back an electric signal to the control device, the bulging ball 9 is blocked in the bulging ball channel 21 and needs to be repaired.

In this embodiment, a screw 18 with reverse equal-pitch threads at two ends is rotatably disposed on the movable die holder 1, the screw 18 is driven to rotate by a motor 19, the motor 19 is connected with a control device, the screw at two ends of the screw 18 is connected with movable clamping blocks 20 in a threaded manner, a limiting slideway 21 parallel to the screw 18 is disposed on the movable die holder 1, the two movable clamping blocks 20 rotate with the screw 18 and slide in the limiting slideway 21 in an opposite or reverse manner, a through opening 31 parallel to the screw 18 is disposed on the first die 3, the two movable clamping blocks 20 extend into the first die 3 from the through opening 31, distances from the two movable clamping blocks 20 to the center of the bulging passage 42 are the same, a first tact switch 207 is disposed at the bottom of the movable clamping block 20 above, and the first tact switch 207 is connected with the control device. By adopting the structure, when the cylindrical pipe 200 is placed in the cavity of the first die 3, the cylindrical pipe 200 can be placed on the movable clamping blocks 20 below, the two movable clamping blocks 20 are driven by the motor 19 to clamp the cylindrical pipe 200, the motor 19 is controlled by the control device, the motor stops running when the first tact switch 207 contacts the cylindrical pipe 200, and when the cylindrical pipe 200 with any length is clamped, the middle point of the cylindrical pipe 200 can be automatically adjusted and aligned with the center of the bulging channel 42, so that the three-way pipe is suitable for processing the cylindrical pipes 200 with different lengths into three-way pipes.

In this embodiment, the upper movable clamping block 20 includes a housing 201, a telescopic block 202 having a limiting step 203, a spring 204 and a limiting block 205, the two ends of the housing 201 are open, the housing 201 is sequentially provided with the telescopic block 202, the spring 204 and the limiting block 205, the bottom of the telescopic block 202 is provided with a first tact switch 207, the limiting block 205 is provided with a screw hole 206, the screw 18 penetrates through the housing 201 to be matched with the screw hole 206, and the spring 204 can be compressed to enable the telescopic block 202 to avoid the cylindrical tube 200 and be installed in the first mold 3. When the cylindrical tube 200 is fitted into the cavity of the first die 3, the fitting can be facilitated by pressing the expansion block 202, and it is not necessary to fit from the same direction as the die opening direction of the first die 3.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. The automatic punching three-way pipe processing equipment comprises an operating platform (100), wherein a movable die holder (1) and a fixed die holder (2) are arranged on the operating platform (100), a first die (3) and a second die (4) which can be closed to form a cylindrical cavity are respectively arranged on the movable die holder (1) and the fixed die holder (2), the movable die holder (1) is driven by a first hydraulic cylinder (5), an expanding channel (42) communicated with the cylindrical cavity is arranged on the second die (4), an extrusion head (7) driven by a second hydraulic cylinder (6) is arranged above the second die (4), a positioning block (8) is arranged in the first die (3), the extrusion head (7) extrudes towards the side of the positioning block (8) and can press an expanding ball (9) to the expanding channel (42), an expanding ball channel (21) is arranged in the fixed die holder (2), the inlet of the bulging ball channel (21) is communicated with the bulging channel (42), and the bulging ball channel is characterized in that: the flexible end of second pneumatic cylinder (6) is connected with direction head (61), direction head (61) bottom is provided with lubricating oil extrusion chamber (62), extrusion head (7) upper end slide set up in lubricating oil extrusion chamber (62), be provided with oil inlet pipe way (63) and play oil pipe way (64) on lubricating oil extrusion chamber (62), oil inlet pipe way (63) connect the oil tank, play oil pipe way (64) export is aimed at bulging passageway (42) with the department of meeting of cylindric die cavity, oil inlet pipe way (63) with all be provided with check valve (65) on play oil pipe way (64), first pneumatic cylinder (5) with second pneumatic cylinder (6) are connected with controlling means.

2. The tee pipe processing equipment capable of automatically coating lubricating oil as claimed in claim 1, wherein: the extrusion head (7) is provided with a guide inclined plane (71), and the positioning block (8) is provided with a horizontal guide groove (81).

3. The tee pipe processing equipment capable of automatically coating lubricating oil as claimed in claim 3, wherein: and a notch (82) matched with the guide inclined plane (71) is arranged on the positioning block (8).

4. The tee pipe processing equipment capable of automatically coating lubricating oil as claimed in claim 1, wherein: be provided with in fixed die holder (2) along bulging passageway (42) axial flexible drift (13) by third pneumatic cylinder (12) driven, locating piece (8) are by the drive of second linear drive device (14) lift, second linear drive device (14) set up in activity die holder (1) bottom, set up waste discharge passageway (83) in locating piece (8), work as locating piece (8) are located the top position, the import of waste discharge passageway (83) upper end is aimed at drift (13), work as locating piece (8) are located when the bottom position, drift (13) aim at and are located locating piece (8) top the centre of sphere of bulging ball (9), third pneumatic cylinder (12) and second linear drive device (14) are connected with controlling means.

5. The tee pipe processing equipment capable of automatically coating lubricating oil as claimed in claim 4, wherein: be provided with air flue (151) of connecting air pump (15) on movable die holder (1), work as when locating piece (8) are located the top position, the export of exhaust passage (83) lower extreme is aimed at air flue (151), bulging ball passageway (21) exit articulates there is sealed dodge gate (16) of bulging ball passageway (21) export, radial driving lever (161) are provided with in the pivot of dodge gate (16), dodge gate (16) one side be provided with on fixed die holder (2) with driving lever (161) complex second light touch switch (17), air pump (15) and second light touch switch (17) are connected with controlling means.