CN220591382U

CN220591382U - Buffer device for automobile body punching machine

Info

Publication number: CN220591382U
Application number: CN202322229213.9U
Authority: CN
Inventors: 张焱
Original assignee: Jinzhou Fenghua Machinery Co ltd
Current assignee: Jinzhou Fenghua Machinery Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-15
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a buffer device for a car body punching machine, which relates to the technical field of automobile accessory production devices and comprises a receiving base, wherein a buffer protection mechanism is arranged at the top of the receiving base, a position fine adjustment mechanism is arranged at the bottom of the receiving base, the buffer protection mechanism comprises a secondary buffer unit and a convenient replacement unit, the position fine adjustment mechanism comprises a sliding adjusting unit and a positioning unit, the secondary buffer unit comprises a smooth support column, the outer wall of the smooth support column is in sliding connection with the inner wall of the receiving base, a bearing top plate is fixedly connected with the top of the smooth support column, and a steel spring is fixedly arranged at the top of the receiving base. According to the utility model, through the design of the smooth support column, the supporting top plate can move in the vertical direction, the supporting top plate can be driven to move vertically downwards at the moment of contact between the workpiece and the die, and meanwhile, the rubber pad and the steel spring are compressed, so that the instant impact force of the workpiece is absorbed, and the safety of the workpiece is ensured.

Description

Buffer device for automobile body punching machine

Technical Field

The utility model relates to the technical field of automobile accessory production devices, in particular to a buffer device for an automobile body punching machine.

Background

The stamping is a forming processing method for obtaining a workpiece with a required shape and size by applying external force to plates, strips, pipes, sectional materials and the like by a press machine and a die so as to generate plastic deformation or separation, and an automobile is a common tool for people to travel and comprises automobile bodies and other accessories which are formed by stamping.

The Chinese patent discloses an automobile accessory punching machine, the publication number is CN 218134576U, and the technical scheme disclosed in the patent document is as follows: including the base, base top one end welding has the L template, and the pneumatic cylinder is installed through preformed hole and bolt at L template top, pneumatic cylinder bottom output shaft passes through the bolt installation connecting plate, the spacing groove has been seted up to the base top table, and has placed the stopper in the spacing groove, set up the cavity with the spacing groove intercommunication in the base, and install electronic jar through mounting panel and bolt in the cavity.

In order to solve the problem that stamping parts can be in close contact with a lower die, so that personnel are difficult to conveniently take the stamping parts away, the prior art adopts a mode of setting an electric cylinder to automatically push out a workpiece, but the situation that the workpiece cannot be buffered and protected still occurs, and the workpiece can be subjected to larger impact force instantly when the die is in contact with the workpiece, so that the workpiece is extremely easy to damage.

Disclosure of Invention

The present utility model is directed to a cushioning device for an automotive body press to solve the above-mentioned problems set forth in the background art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the buffer device for the automobile body punching machine comprises a receiving base, wherein a buffer protection mechanism is arranged at the top of the receiving base, and a position fine adjustment mechanism is arranged at the bottom of the receiving base.

The buffer protection mechanism comprises a secondary buffer unit and a convenient replacement unit, and the position fine adjustment mechanism comprises a sliding adjustment unit and a positioning unit.

The secondary buffer unit comprises a smooth support column, the outer wall of the smooth support column is in sliding connection with the inner wall of the supporting base, the top fixedly connected with supporting top plate of the smooth support column, a steel spring is fixedly arranged at the top of the supporting base, a cylindrical connecting pad is fixedly connected at the top of the steel spring, the top of the cylindrical connecting pad is fixedly connected with the bottom of the supporting top plate, a rubber pad is fixedly connected at the middle part of the cylindrical connecting pad, and the steel spring and the rubber pad can generate elastic deformation to buffer and protect a workpiece through the design of the steel spring and the rubber pad.

The technical scheme of the utility model is further improved as follows: the convenient replacement unit comprises an inserting frame body, the inserting frame body is fixedly arranged at the top of the supporting top plate, a threaded piece is connected to the outer wall of the inserting frame body in a threaded mode, a clamping pad is connected to the threaded end of the threaded piece in a rotating mode, and the threaded piece can drive the clamping pad to lock the position of the compression platform.

The technical scheme of the utility model is further improved as follows: the inner wall of the plug frame body is movably plugged with plug pins, the top of each plug pin is fixedly provided with a pressure platform, and the plug pins and the plug frame body are designed to temporarily lock the positions of the pressure platforms.

The technical scheme of the utility model is further improved as follows: the sliding adjusting unit comprises fixing seats, the number of the fixing seats is two, a cylindrical sliding rail is fixedly connected between the two fixing seats, a sliding seat is connected to the outer wall of the cylindrical sliding rail in a sliding mode, and the user can conveniently conduct left-right fine adjustment on the position of a workpiece through the design of the cylindrical sliding rail and the sliding seat.

The technical scheme of the utility model is further improved as follows: the top welding of sliding seat has the grab handle, the front and the back of fixing base have all welded the extension framework, through the design of grab handle, be convenient for the user to the sliding seat remove.

The technical scheme of the utility model is further improved as follows: the positioning unit comprises a reference seat, the reference seat is fixedly connected to the outer wall of the sliding seat, a sliding rod is connected to the inner wall of the reference seat in a sliding manner, one end of the sliding rod, which is far away from the reference seat, is fixedly connected with a laminating round pad, and one end, which is far away from the sliding seat, of the reference seat is fixedly provided with an extension seat.

The technical scheme of the utility model is further improved as follows: the one end fixed mounting who extends the seat and keep away from the reference seat has the electro-magnet, the one end fixed mounting who extends the seat and keep away from the reference seat has the elastic component, the one end that extends the seat is kept away from to the elastic component is with the outer wall fixed connection of laminating circular cushion, through the elasticity of elastic component, promotes laminating circular cushion and extension framework laminating, and then can fix the position about the work piece.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a buffer device for an automobile body punching machine, which can enable a bearing top plate to move in the vertical direction through the design of a smooth support column, and can enable the bearing top plate to move vertically downwards at the moment of contact of a workpiece and a die, and simultaneously compress a rubber pad and a steel spring so as to absorb the instant impact force suffered by the workpiece and ensure the safety of the workpiece.

2. The utility model provides a buffer device for an automobile body punching machine, which is characterized in that a compression platform is movably connected to the top of a bearing top plate through the design of plug pins and plug frame bodies, and a clamping pad can be driven to move through the design of screw members by means of the fixed plug frame bodies to finish the fixing treatment of the plug pins.

3. The utility model provides a buffer device for an automobile body punching machine, which is characterized in that a sliding seat can be driven by manpower to move left and right through the design of a fixed seat and a cylindrical sliding rail, and meanwhile, a workpiece at the top of a pressed platform is driven to move left and right, so that the function of fine adjustment of the position of the workpiece is completed, the punching work is convenient to carry out, and the convenience of the structure is improved.

Drawings

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

FIG. 2 is a schematic view of a cylindrical connecting pad according to the present utility model;

FIG. 3 is a schematic view of an exploded view of the compression platform and support top plate of the present utility model;

FIG. 4 is a schematic diagram of a position adjustment mechanism according to the present utility model;

fig. 5 is a schematic structural view of the positioning unit of the present utility model.

In the figure: 1. a receiving base;

2. a buffer protection mechanism; 21. a smooth strut; 22. supporting a top plate; 23. a steel spring; 24. a cylindrical connection pad; 25. a rubber pad; 26. a plug frame; 261. a screw; 262. a clamping pad; 263. a plug pin; 264. a compression platform;

3. a position fine adjustment mechanism; 31. a fixing seat; 32. a cylindrical slide rail; 33. a sliding seat; 34. a grab handle; 35. an expansion frame; 36. a positioning unit; 361. a reference base; 362. a slide bar; 363. attaching a round pad; 364. an extension seat; 365. an electromagnet; 366. an elastic member.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-5, the utility model provides a buffer device for a punching machine of an automobile body, which comprises a receiving base 1, wherein a buffer protection mechanism 2 is arranged at the top of the receiving base 1, a position fine adjustment mechanism 3 is arranged at the bottom of the receiving base 1, the buffer protection mechanism 2 comprises a secondary buffer unit and a convenient replacement unit, the position fine adjustment mechanism 3 comprises a sliding adjustment unit and a positioning unit 36, the secondary buffer unit comprises a smooth support column 21, the outer wall of the smooth support column 21 is in sliding connection with the inner wall of the receiving base 1, a bearing top plate 22 is fixedly connected with the top of the smooth support column 21, a steel spring 23 is fixedly arranged at the top of the receiving base 1, a cylindrical connecting pad 24 is fixedly connected with the top of the steel spring 23, a rubber pad 25 is fixedly connected with the bottom of the bearing top plate 22, the middle part of the cylindrical connecting pad 24 is externally connected with a rubber pad 25, the outer punch is contacted with a workpiece, the bearing top plate 22 is enabled to vertically move downwards, the rubber pad 25 and the steel spring 23 is compressed to realize the buffer protection function, the rubber pad 25 firstly generates elastic deformation, the primary buffer force is used for buffering, and then the steel spring 23 is compressed to perform the secondary buffer effect.

Example 2

As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the convenient replacement unit comprises a plug frame 26, the plug frame 26 is fixedly arranged at the top of the bearing top plate 22, a threaded piece 261 is connected to the outer wall of the plug frame 26 in a threaded manner, a clamping pad 262 is rotatably connected to the threaded end of the threaded piece 261, a plug foot 263 is movably plugged on the inner wall of the plug frame 26, a compression platform 264 is fixedly arranged at the top of the plug foot 263, the compression platform 264 is movably connected to the top of the bearing top plate 22 through the design of the plug foot 263 and the plug frame 26, after the plug foot 263 is plugged into the plug frame 26, a user manually rotates the threaded piece 261, the clamping pad 262 can be driven to move by means of the fixed plug frame 26, the fixing treatment of the plug foot 263 is completed, and therefore, the design is convenient for the user to detach, replace and process the compression platforms 264 with different specifications at the top of the bearing top plate 22, and the use is convenient for the user.

Example 3

As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the sliding adjustment unit includes fixing bases 31, the quantity of fixing bases 31 sets up to two, fixedly connected with cylinder slide rail 32 between two fixing bases 31, sliding connection has sliding seat 33 on the outer wall of cylinder slide rail 32, the top welding of sliding seat 33 has grab handle 34, the front and the back of fixing base 31 have all welded extension frame 35, positioning unit 36 includes benchmark seat 361, benchmark seat 361 fixed connection is on the outer wall of sliding seat 33, sliding connection has slide bar 362 on the inner wall of benchmark seat 361, the one end fixedly connected with laminating circular pad 363 of slide bar 362 keeping away from benchmark seat 361, the one end fixedly connected with extension seat 364 of benchmark seat 361 keeping away from sliding seat 33, the one end fixedly connected with electro-magnet 365 of extension seat 364 keeping away from benchmark seat 361, the one end fixedly connected with laminating circular pad 363 of extension seat 364, the material setting up to the iron alloy of laminating circular pad 363, user control electro-magnet circular pad 363 can adsorb laminating circular pad 363 and extension frame 35, the laminating state between the user can drive the position adjustment work piece 363 to the initial position of elasticity of moving to the left and right after the control the position of the extension frame 35 is reset, the initial position of the workpiece is limited by the left and right side adjustment of the electro-magnet 365.

The working principle of the buffer device for a vehicle body press is described in detail below.

As shown in fig. 1-5, the structure is mounted at the bottom of the extending end of the external punching machine in advance, when in use, the workpiece is moved to the top of the compression platform 264, the punching machine is controlled to work, the workpiece is punched, the external punching machine is enabled to vertically move down to support the top plate 22 at the moment of contacting the workpiece, meanwhile, the rubber pad 25 and the steel spring 23 are compressed, the function of buffering and protecting the workpiece is realized, if the position of the workpiece is required to be finely adjusted left and right, the electromagnet 365 is controlled to be electrified to adsorb the attaching round pad 363, the attaching state between the attaching round pad 363 and the expansion frame 35 is enabled to be released, and the user can manually drive the sliding seat 33 to move to adjust the left and right positions of the workpiece.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. Buffer device for a car body punching machine, comprising a receiving base (1), characterized in that: the top of the bearing base (1) is provided with a buffer protection mechanism (2), and the bottom of the bearing base (1) is provided with a position fine adjustment mechanism (3);

the buffer protection mechanism (2) comprises a secondary buffer unit and a convenient replacement unit, and the position fine adjustment mechanism (3) comprises a sliding adjustment unit and a positioning unit (36);

the secondary buffer unit comprises a smooth support column (21), the outer wall of the smooth support column (21) is in sliding connection with the inner wall of the supporting base (1), a supporting top plate (22) is fixedly connected to the top of the smooth support column (21), a steel spring (23) is fixedly arranged at the top of the supporting base (1), a cylindrical connecting pad (24) is fixedly connected to the top of the steel spring (23), the top of the cylindrical connecting pad (24) is fixedly connected with the bottom of the supporting top plate (22), and a rubber pad (25) is fixedly connected to the middle of the cylindrical connecting pad (24).

2. A cushioning device for an automotive body press as set forth in claim 1, wherein: the convenient replacement unit comprises a plug-in frame body (26), the plug-in frame body (26) is fixedly arranged at the top of the bearing top plate (22), a threaded piece (261) is connected to the outer wall of the plug-in frame body (26) in a threaded mode, and a clamping pad (262) is connected to the threaded end of the threaded piece (261) in a rotating mode.

3. A cushioning device for an automotive body press as set forth in claim 2, wherein: the inner wall of the plug frame body (26) is movably plugged with plug pins (263), and the tops of the plug pins (263) are fixedly provided with a compression platform (264).

4. A cushioning device for an automotive body press as set forth in claim 1, wherein: the sliding adjusting unit comprises two fixed seats (31), wherein cylindrical sliding rails (32) are fixedly connected between the two fixed seats (31), and sliding seats (33) are slidably connected on the outer walls of the cylindrical sliding rails (32).

5. A cushioning device for an automotive body press as set forth in claim 4, wherein: the top of the sliding seat (33) is welded with a grab handle (34), and the front and the back of the fixed seat (31) are welded with an expansion frame body (35).

6. A cushioning device for an automotive body press as set forth in claim 5, wherein: the positioning unit (36) comprises a reference seat (361), the reference seat (361) is fixedly connected to the outer wall of the sliding seat (33), a sliding rod (362) is connected to the inner wall of the reference seat (361) in a sliding mode, an attaching round pad (363) is fixedly connected to one end, away from the reference seat (361), of the sliding rod (362), and an extending seat (364) is fixedly arranged at one end, away from the sliding seat (33), of the reference seat (361).

7. A cushioning device for an automotive body press as set forth in claim 6, wherein: the one end fixed mounting who keeps away from benchmark seat (361) of extension seat (364) has electro-magnet (365), the one end fixed mounting who keeps away from benchmark seat (361) of extension seat (364) has elastic component (366), the one end that extends seat (364) was kept away from to elastic component (366) is fixedly connected with the outer wall of laminating circular pad (363).