CN210305299U

CN210305299U - Punching tool for automobile pipe fitting

Info

Publication number: CN210305299U
Application number: CN201921086961.3U
Authority: CN
Inventors: 周新; 张修国
Original assignee: Wuxi Pufa Precision Machinery Co Ltd
Current assignee: Wuxi Pufa Precision Machinery Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-14
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a car pipe fitting frock of punching a hole belongs to the technical field of car pipe fitting processing frock, aims at providing one kind and improves the high car pipe fitting frock of punching a hole of pipe fitting quality, and its technical scheme main points are including the fuselage, are equipped with the tube socket on the fuselage, are equipped with the tube seat on the tube socket, the tube seat inner wall is equipped with the punching groove of radial setting, and the frock of punching a hole is still including stretching into the cut-out press in the pipe fitting, and the cut-out press is equipped with the jar groove of radial setting including the axle that punches a hole, the jar inslot is equipped with punching device, and the ejector pin is located jar inslot one end and is equipped with the piston body, and the round pin of punching a hole is located ejector pin piston body one end dorsad, is equipped with two oil circuits in. Through actuating mechanism's setting, can play the drive round pin that punches a hole and stretch out to punch from the pipe fitting inner wall, the distortion that causes the pipe fitting is little like this, because the burr is outside, the effect of deburring more easily moreover.

Description

Punching tool for automobile pipe fitting

Technical Field

The utility model relates to a technical field of car pipe fitting processing frock, in particular to car pipe fitting frock of punching a hole.

Background

With the development of the automobile industry, automobile precision pipe fittings are widely applied to automobile manufacturing; it is common and common to machine holes in automotive pipe walls.

Drilling processing does not have special requirement to equipment, but production efficiency is low, and the aperture size is difficult to control not of uniform size to drilling processing can produce the burr at the external diameter and the inner wall of pipe fitting, and especially the burr of inner wall can be bigger, because inner wall operating space is less, and the deburring is very difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automobile pipe fitting frock of punching a hole has the advantage that the quality of punching a hole of improvement pipe fitting is high.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an automobile pipe fitting frock of punching a hole, includes the fuselage, be equipped with the tube socket on the fuselage, be equipped with the tube seat on the tube socket, the tube seat inner wall is equipped with the punching groove of radial setting, and the frock of punching a hole still includes the cut-out press that stretches into in the pipe fitting, the cut-out press is including the axle that punches a hole, the epaxial jar groove that is equipped with radial setting that punches a hole, the jar inslot is equipped with punching device, punching device is including the round pin that punches a hole that radially sets up and the actuating mechanism who is used for driving.

Through adopting above-mentioned technical scheme, when needs are punched a hole to the geminate transistor, the pipe fitting that will punch a hole inserts the pipe box to the cover is epaxial in punching a hole, and when reacing the formulation position that punches a hole, actuating mechanism drive pin that punches a hole stretches out and punches from the pipe fitting inner wall, and the distortion that causes the pipe fitting is little like this, because the burr is outside moreover, gets rid of the burr more easily.

Furthermore, actuating mechanism is including setting up the cylinder cap at jar groove opening part, cylinder cap center department is equipped with the through-hole, actuating mechanism is including setting up the ejector pin in jar inslot, the ejector pin slides in the through-hole, the ejector pin is located jar inslot one end and is equipped with the piston body, the round pin that punches a hole is located ejector pin dorsad piston body one end, be equipped with two oil circuits in the axle that punches a hole, two oil circuits all communicate with jar groove, and the junction of two oil circuits and jar groove is located the piston body both sides.

Through adopting above-mentioned technical scheme, when needs punch the pipe fitting, the oil circuit that communicates with cylinder groove bottom is to the interior oiling of cylinder groove, and the piston body is pushed to the pipe fitting removal by hydraulic oil, and the piston body drives ejector pin and the removal of the round pin that punches a hole simultaneously and punches the pipe fitting.

Furthermore, one end of the punching pin, which is back to the ejector rod, is provided with a conical drill bit.

Through adopting above-mentioned technical scheme, the toper drill bit can produce great pressure to the pipe wall of pipe fitting to pierce through the pipe wall more easily.

Further, the outer wall of the cylinder cover is provided with external threads, the cylinder groove is internally provided with internal threads, and the cylinder cover is in threaded connection with the cylinder groove.

Through adopting above-mentioned technical scheme, cylinder cap and jar groove threaded connection, convenient assembling on the one hand, on the other hand is connected stably, can bear great pressure, job stabilization.

Furthermore, the tube seat comprises an upper clamping seat and a lower clamping seat which are arranged up and down, and a lifting device for driving the upper clamping seat to move up and down is arranged on the machine body.

Through adopting above-mentioned technical scheme, when needs put into the tube socket with the pipe fitting, put the pipe fitting between upper nip and lower nip, the nip moves down towards lower nip on the elevating gear drive to press from both sides the pipe fitting tightly, play fixed effect to the pipe fitting simultaneously, reduce the distortion that the pipe fitting produced, improve the shaping quality of pipe fitting.

Furthermore, the lifting device comprises a lifting oil cylinder arranged in the vertical direction, and the top end of a piston rod of the lifting oil cylinder is fixedly connected with the upper clamping seat.

Through adopting above-mentioned technical scheme, the holder reciprocates on the lift cylinder drive, and lift cylinder can produce great thrust on the one hand for it is stable with lower holder centre gripping pipe fitting to go up the holder, and on the other hand lift cylinder promotes the vertical direction motion of holder, and is balanced like this to the pipe fitting application of force.

Furthermore, a positioning ring is sleeved on the punching shaft.

Through adopting above-mentioned technical scheme, when the pipe fitting cover was epaxial in punching, the one end top of pipe fitting touched the holding ring, and the position of punching on the pipe fitting is more accurate like this.

Furthermore, the holding ring includes the semi-ring that two symmetries set up, and two semi-ring one end are articulated, and the other end passes through fixing bolt fixed connection.

Through adopting above-mentioned technical scheme, on the one hand through bolted connection's mode, adjustable holding ring is to the clamping-force of pipe fitting, and on the other hand also can be according to the difference of pipe fitting position of punching, adjusts the position of holding ring at the pipe fitting to the demand of the position of punching of adaptation difference.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the driving mechanism, the punching pin can be driven to extend out to punch holes from the inner wall of the pipe fitting, so that the pipe fitting is small in distortion, and the burrs are more easily removed due to the outward burrs;

2. through the arrangement of the positioning ring, when the pipe fitting is sleeved on the punching shaft, one end of the pipe fitting is abutted to the positioning ring, so that the punching position on the pipe fitting is more accurate;

3. through elevating gear's setting, can play and press from both sides the pipe fitting tight, play fixed effect to the pipe fitting simultaneously, reduce the distortion that the pipe fitting produced, improve the effect of the shaping quality of pipe fitting.

Drawings

FIG. 1 is a schematic diagram of an automobile pipe punching tool in the embodiment;

FIG. 2 is a sectional view of the punching tool for the automobile pipe in the embodiment;

FIG. 3 is an enlarged view of part A of FIG. 2 in the example.

In the figure, 1, a fuselage; 2. a tube holder; 21. an upper clamping seat; 211. punching a hole groove; 22. a lower clamping seat; 23. a pipe groove; 231. an upper clamping groove; 232. a lower clamping groove; 3. punching a die; 31. punching a hole shaft; 32. a cylinder groove; 33. a punching device; 331. punching a hole pin; 332. a drive mechanism; 3321. a cylinder cover; 3322. an oil path; 3323. a piston body; 3324. a top rod; 333. a drill bit; 34. a positioning ring; 341. a half ring; 342. fixing the bolt; 4. a lifting device; 41. a lift cylinder; 42. a guide post; 5. a pipe fitting.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides an automobile pipe fitting frock of punching a hole, as shown in figure 1, includes fuselage 1, is equipped with the tube socket 2 that is used for placing pipe fitting 5 on fuselage 1, is equipped with the cut-out press 3 that is used for punching a hole to pipe fitting 5 on fuselage 1.

As shown in fig. 1, the tube holder 2 includes a lower holder 22 disposed on the body 1 and an upper holder 21 disposed directly above the lower holder 22, an upper clamping groove 231 is disposed on a lower side surface of the upper holder 21, a lower clamping groove 232 symmetrically disposed with the upper holder 21 is disposed on a top surface of the lower holder 22, the upper clamping groove 231 and the lower clamping groove 232 form a tube slot 23 for clamping the tube 5, an inner wall of the tube slot 23 is attached to an outer wall of the tube 5, so as to fix the tube 5, and facilitate the punching of the tube 5 by the punching die 3.

The machine body 1 is provided with a lifting device 4 for driving the upper clamping seat 21 to move downwards towards the lower clamping seat 22. Four guide posts 42 arranged in a rectangular shape are arranged between the upper clamping base 21 and the lower clamping base 22, and the guide posts 42 are fixedly arranged on the lower clamping base 22 and are connected with the upper clamping base 21 in a sliding manner.

The lifting device 4 comprises a lifting oil cylinder 41 arranged along the vertical direction, a piston rod of the lifting oil cylinder 41 is positioned below, and the top end of the piston rod is fixedly connected with the upper clamping seat 21.

The lifting cylinder 41 moves the upper clamping base 21 towards the lower clamping base 22, so that the pipe 5 is clamped, and the punching die 3 can punch the pipe 5 conveniently.

As shown in fig. 2 and 3, the punching die 3 includes a punching shaft 31, a radially disposed cylinder slot 32 is disposed on the punching shaft 31, a punching device 33 is disposed in the cylinder slot 32, and the punching device 33 includes a radially disposed punching pin 331 and a driving mechanism 332 for driving the punching pin 331 to extend out of the cylinder slot 32 to punch a hole from the inner wall of the pipe 5. The inner wall of the upper clamping base 21 is provided with a punching groove 211 which is arranged in the radial direction, and when the upper clamping base is in a non-working state, the punching pin 331 is positioned in the cylinder groove 32, so that the pipe fitting 5 can be sleeved on the punching shaft 31. When the driving mechanism 332 drives the punching pin 331 to punch the pipe 5, the punching pin 331 is inserted into the punching groove 211 through the pipe wall of the pipe 5.

The end of the punching pin 331 pointing to the inner wall of the pipe 5 is provided with a cone-shaped drill bit 333, and the cone-shaped drill bit 333 can generate a larger pressure on the pipe wall of the pipe 5, so that the pipe wall can be pierced more easily.

The driving mechanism 332 comprises a cylinder cover 3321 arranged at an opening of the cylinder groove 32, a through hole is formed in the center of the cylinder cover 3321, the driving mechanism 332 comprises a push rod 3324 arranged in the cylinder groove 32, the push rod 3324 slides in the through hole, a piston body 3323 is arranged at one end of the push rod 3324 positioned in the cylinder groove 32, the punching pin 331 is positioned at one end of the push rod 3324 opposite to the piston body 3323, two oil paths 3322 are arranged in the punching shaft 31, the two oil paths 3322 are both communicated with the cylinder groove 32, and the connection part of the two oil paths 3322 and the cylinder groove 32 is positioned on two sides of the piston. The punching pin 331 is driven to extend and retract by discharging and feeding oil through the two oil paths 3322.

The outer wall of the cylinder cover 3321 is provided with external threads, the cylinder groove 32 is internally provided with internal threads, and the cylinder cover 3321 is in threaded connection with the cylinder groove 32. The cylinder cover 3321 is in threaded connection with the cylinder groove 32, so that on one hand, the assembly is convenient, on the other hand, the connection is stable, larger pressure can be borne, and the work is stable.

As shown in fig. 1, the positioning ring 34 is sleeved on the punching shaft 31, and when the pipe 5 is sleeved on the punching shaft 31, one end of the pipe 5 contacts the positioning ring 34, so that the position of punching on the pipe 5 is more accurate.

The positioning ring 34 includes two symmetrically disposed half rings 341, one end of each of the two half rings 341 is hinged, and the other end is fixedly connected through a fixing bolt 342. The clamping force of the positioning ring 34 on the pipe 5 can be adjusted by means of the bolt connection. In addition, the position of the positioning ring 34 on the pipe 5 can be adjusted according to the different punching positions of the pipe 5, so as to meet the requirements of different punching positions.

The specific implementation process comprises the following steps: the lifting cylinder 41 drives the upper clamping seat 21 to ascend, the position of the positioning ring 34 on the punching shaft 31 is adjusted according to the punching position of the pipe 5, the pipe 5 is sleeved on the punching shaft 31, the end part of the pipe 5 is abutted against the positioning ring 34, the lifting cylinder 41 drives the upper clamping seat 21 to descend so as to clamp the pipe 5, then the pipe 5 is ready to be punched, the oil way 3322 communicated with the bottom of the cylinder groove 32 is filled with oil into the cylinder groove 32, the piston body 3323 is pushed by hydraulic oil to move towards the pipe 5, and meanwhile, the piston body 3323 drives the ejector rod 3324 and the punching pin 331 to move so as to punch the pipe 5.

After the pipe fitting is opened, the oil way 3322 communicated with the side wall of the cylinder groove 32 injects oil into the cylinder groove 32, the piston body 3323 is pushed by hydraulic oil to be away from the pipe fitting 5, and meanwhile, the piston body 3323 drives the ejector rod 3324 and the punching pin 331 to move away from the pipe fitting 5, so that punching can be completed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an automobile pipe spare frock of punching a hole, includes fuselage (1), its characterized in that: be equipped with tube socket (2) on fuselage (1), be equipped with tube seat (23) on tube socket (2), tube seat (23) inner wall is equipped with punching groove (211) of radial setting, and the frock of punching a hole still includes cut-out press (3) that stretch into in pipe fitting (5), cut-out press (3) are including punching axle (31), be equipped with cylinder groove (32) of radial setting on punching axle (31), be equipped with punching device (33) in cylinder groove (32), punching device (33) are including punching a hole round pin (331) of radial setting and be used for driving actuating mechanism (332) that punches a hole round pin (331) punched a hole.

2. The automobile pipe punching tool according to claim 1, characterized in that: the driving mechanism (332) comprises a cylinder cover (3321) arranged at the opening of the cylinder groove (32), a through hole is formed in the center of the cylinder cover (3321), the driving mechanism (332) comprises a push rod (3324) arranged in the cylinder groove (32), the push rod (3324) slides in the through hole, a piston body (3323) is arranged at one end, located in the cylinder groove (32), of the push rod (3324), the punching pin (331) is located at one end, opposite to the piston body (3323), of the push rod (3324), two oil ways (3322) are arranged in the punching shaft (31), the two oil ways (3322) are communicated with the cylinder groove (32), and the joint of the two oil ways (3322) and the cylinder groove (32) is located on two sides of the piston body (3323).

3. The automobile pipe punching tool according to claim 2, characterized in that: one end of the punching pin (331) back to the ejector rod (3324) is provided with a conical drill bit (333).

4. The automobile pipe punching tool according to claim 2, characterized in that: the outer wall of the cylinder cover (3321) is provided with an external thread, an internal thread is arranged in the cylinder groove (32), and the cylinder cover (3321) is in threaded connection with the cylinder groove (32).

5. The automobile pipe punching tool according to claim 1, characterized in that: the pipe seat (2) comprises an upper clamping seat (21) and a lower clamping seat (22) which are arranged up and down, and a lifting device (4) used for driving the upper clamping seat (21) to move up and down is arranged on the machine body (1).

6. The automobile pipe punching tool according to claim 5, characterized in that: the lifting device (4) comprises a lifting oil cylinder (41) arranged in the vertical direction, and the top end of a piston rod of the lifting oil cylinder (41) is fixedly connected with the upper clamping seat (21).

7. The automobile pipe punching tool according to claim 1, characterized in that: and the positioning ring (34) is sleeved on the punching shaft (31).

8. The automobile pipe punching tool according to claim 7, characterized in that: the positioning ring (34) comprises two symmetrically arranged half rings (341), one end of each of the two half rings (341) is hinged, and the other end of each of the two half rings is fixedly connected through a fixing bolt (342).