CN222740054U

CN222740054U - High-precision automatic punching device

Info

Publication number: CN222740054U
Application number: CN202420901026.2U
Authority: CN
Inventors: 焦伟猛; 宋年; 李慧东
Original assignee: Kunshan Topa Intelligent Equipment Co ltd
Current assignee: Kunshan Topa Intelligent Equipment Co ltd
Priority date: 2024-04-28
Filing date: 2024-04-28
Publication date: 2025-04-11
Anticipated expiration: 2034-04-28

Abstract

The utility model discloses a high-precision automatic punching device which comprises a base, a positioning mechanism and a punching mechanism, wherein a carrying platform for placing a product to be punched is arranged at the top of the base, the positioning mechanism is used for positioning the product on the carrying platform, the punching mechanism comprises a carrying plate, a push rod, a punching driving device, a transmission assembly and an upper cutter and a lower cutter, the push rod is inserted into the carrying plate in a sliding manner, the punching driving device is connected with the push rod, the transmission assembly is movably arranged on the carrying plate, the upper cutter and the lower cutter are distributed on two sides of the part to be punched of the product, and the punching driving device is used for driving the push rod to move and pushing the upper cutter to match the lower cutter to punch the product through the transmission assembly. The utility model can conveniently clamp and position the product, the punched hole of the product is not easy to deform, the punching precision and quality can be ensured, the punching efficiency is improved, and the equipment cost is low.

Description

High-precision automatic punching device

Technical Field

The utility model relates to the technical field of punching devices, in particular to a high-precision automatic punching device.

Background

In the production and manufacture of parts, various processing needs to be performed on the parts to meet the requirements of various use functions of the parts, wherein punching operations on the parts are common.

At present, in the prior art for punching parts, a punching machine is generally adopted, and after raw materials are installed, the parts are punched by means of a punching die under the driving of a power device. When punching parts by using a punching machine, the parts to be punched are not easy to clamp and position, metal materials are extruded and stretched during punching, deformation is easy to occur, particularly for thin-wall parts, the punching deformation is more obvious, the precision and quality of the parts are affected, and meanwhile, the equipment cost is higher. Accordingly, there is a need for improvements in the art that overcome the shortcomings of the prior art.

Disclosure of utility model

The utility model aims to solve the problem of providing a high-precision automatic punching device so as to overcome the defects that parts are difficult to clamp and position, easy to deform and high in equipment cost due to the fact that parts are punched by using a punching machine in the prior art.

The utility model aims to solve the technical problems by adopting the technical scheme that the high-precision automatic punching device comprises:

The top of the base is provided with a carrying platform for placing products to be punched;

The positioning mechanism is used for positioning the product on the carrier;

The punching mechanism comprises a bearing plate, a push rod, a punching driving device, a transmission assembly, an upper cutter and a lower cutter, wherein the push rod is slidably inserted into the bearing plate, the driving device is connected with the push rod, the transmission assembly is movably arranged on the bearing plate, the upper cutter and the lower cutter are distributed on two sides of a part to be punched of a product, and the punching driving device is used for driving the push rod to move and pushing the upper cutter to match with the lower cutter to punch the product through the transmission assembly.

As a further improvement of the utility model, the punching mechanism is slidably mounted on the base, and a push-in driving device connected with the punching mechanism is fixed on the base and used for driving the punching mechanism to move towards a product, and the bearing plate, the push rod on the bearing plate, the transmission assembly and the upper knife extend into the product.

As a further improvement of the utility model, the transmission assembly comprises a pressing plate and an upper cutter holder, the upper cutter holder is fixedly connected with the pressing plate, the upper cutter is fixed on the upper cutter holder, when the push rod is driven to extend by the punching driving device, the push rod can apply pressure to the pressing plate and drive the upper cutter holder and the upper cutter to move towards the lower cutter, and the movement direction of the push rod is perpendicular to the movement direction of the upper cutter.

As a further improvement of the utility model, the upper shaft of the pressing plate is provided with a roller, the push rod is provided with an inclined plane, the roller is in rolling contact with the inclined plane, and the push rod is matched with the roller by means of the inclined plane so as to apply pressure to the pressing plate.

As a further improvement of the utility model, the pressing plate is fixedly connected with the upper tool apron through the guide post, the guide post is in sliding fit with the bearing plate, a return spring is arranged between the pressing plate and the bearing plate, and the return spring is used for applying elastic acting force to the pressing plate in a direction opposite to the upper tool apron.

As a further improvement of the utility model, a floatable stripper block and a stripper spring for applying an elastic force to the stripper block in the direction of the lower knife are mounted on the upper knife holder, and the stripper block is used for pressing the product when the upper knife is reset.

As a further improvement of the utility model, the punching mechanism further comprises a mounting plate, the lower knife is fixed on the mounting plate, and a gap is reserved between the mounting plate and the bearing plate for the insertion of a part to be punched of a product, so that the part to be punched of the product can be positioned between the upper knife and the lower knife.

As a further improvement of the utility model, the positioning mechanism comprises a first positioning cylinder arranged on one side of the carrier, a first pushing block arranged on the first positioning cylinder and a first positioning block fixed on the other side of the carrier, wherein the first positioning cylinder is used for driving the first pushing block to push a product on the carrier to be abutted against the first positioning block.

As a further improvement of the utility model, the positioning mechanism further comprises a second positioning cylinder arranged on the other side of the carrying platform and a second pushing block arranged on the second positioning cylinder, wherein the mounting plate is provided with a second positioning block, and the second positioning cylinder is used for driving the second pushing block to push a product on the carrying platform to be clung to the second positioning block.

As a further improvement of the utility model, two punching mechanisms are arranged and symmetrically distributed on the outer sides of two ends of the carrying platform.

The beneficial effects of the utility model are as follows:

1. the utility model provides a high-precision automatic punching device, which is characterized in that a product placed on a carrier is positioned through a positioning mechanism, a push rod is driven to move by a punching driving device, and a transmission assembly is used for pushing an upper cutter to match with a lower cutter to realize punching of the product;

2. The punching mechanism is driven by the pushing driving device to move towards the product, so that the bearing plate and the push rod, the transmission assembly and the upper knife on the bearing plate extend into the product, and the position to be punched of the product can be located between the upper knife and the lower knife, and the punching operation of the thin-wall tubular product can be realized;

3. The utility model drives the first pushing block to push the product on the carrying platform to be attached to the first positioning block through the first positioning cylinder to initially position the product, so that the left end port and the right end port of the product are right opposite to the carrying plates of the two punching mechanisms, when the two pushing driving devices respectively drive the two punching mechanisms to move so that the carrying plates extend into the product, the third positioning block on the carrying plates is used for positioning the product in the long side direction, and then the second positioning cylinder drives the second pushing block to push the product to be attached to the second positioning block of the mounting plate, so that the outer wall of the product is attached to the lower cutter to finish the final positioning before punching.

Drawings

FIG. 1 is a perspective view of a finished punched product of the present utility model;

FIG. 2 is a perspective view of the high precision automatic punching device of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

FIG. 4 is a perspective view of the punching mechanism of the high precision automatic punching device of the present utility model;

FIG. 5 is a cross-sectional view of a punching mechanism of the high precision automatic punching apparatus of the present utility model inserted into a product;

Fig. 6 is an enlarged view of B of fig. 5 in accordance with the present utility model.

The following description is made with reference to the accompanying drawings:

1. A base; 11, a carrying platform, 2, a positioning mechanism, 21, a first positioning cylinder;

22. The device comprises a first pushing block, 23 parts of a first positioning block, 24 parts of a second positioning cylinder, 25 parts of a second pushing block, 3 parts of a punching mechanism, 31 parts of a bearing plate, 311 parts of a third positioning block, 32 parts of a pushing rod, 321 parts of an inclined plane, 33 parts of a punching driving device, 34 parts of a transmission assembly, 341 parts of a pressing plate, 342 parts of an upper tool holder, 343 parts of a roller, 344 parts of a guide pillar, 345 parts of a return spring, 346 parts of a stripping block, 347 parts of a stripping spring, 35 parts of an upper tool, 36 parts of a lower tool, 37 parts of a mounting plate, 371 parts of a second positioning block, 38 parts of a lower tool holder, 39 parts of a cylinder fixing plate, 310 parts of a guide block, 4 parts of a pushing driving device, 100 parts of a product.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

The present utility model provides a high precision automatic punching device for punching through holes of a desired size in a side wall of a product 100.

As shown in fig. 1, the product 100 is a rectangular thin-walled metal pipe, and for ease of understanding, the extending direction of the long side of the product 100 lying flat is defined as the left-right direction, the extending direction of the wide side is defined as the front-rear direction, and the portion to be punched of the product 100 is the front/rear side wall of the product 100.

It should be noted that, although the product 100 in the present embodiment is a rectangular thin-walled metal tube, it is not meant to limit the present utility model to this specific implementation, and many possible variations and modifications may be made to the technical solution of the present utility model without departing from the scope of the technical solution of the present utility model, or the present utility model may be modified to an equivalent embodiment with equivalent variations to clamp and position the same type of product.

Referring to fig. 2 to 6, the high precision automatic punching device of the present utility model includes a base 1, a positioning mechanism 2, and a punching mechanism 3. A carrying platform 11 is arranged in the middle of the top of the base 1, and a product 100 to be punched is flatly placed on the carrying platform 11. The positioning mechanism 2 is mounted on the base 1 for positioning the product 100 placed on the stage 11. The punching mechanism 3 comprises a bearing plate 31, a push rod 32 which is slidably inserted on the bearing plate 31, a punching driving device 33 which is connected with the push rod 32, a transmission assembly 34 which is movably arranged on the bearing plate 31, and an upper cutter 35 and a lower cutter 36 which are distributed on two sides of a part to be punched of the product 100, wherein the punching driving device 33 is used for driving the push rod 32 to move and pushing the upper cutter 35 to match with the lower cutter 36 to punch the product 100 through the transmission assembly 34. According to the technical scheme, the product 100 is punched, the product 100 is convenient to clamp and position, the product 100 is not easy to deform, the punching precision and quality can be guaranteed, the punching efficiency is high, the equipment cost is low, and the product 100 is favorably matched with other external devices (such as a milling device) to realize multi-station automatic processing.

Referring to fig. 2, a slide rail is fixed on the base 1 along the length direction of the product 100, and the punching mechanism 3 is slidably mounted on the slide rail of the base 1. In addition, a push-in driving device 4 connected with the punching mechanism 3 is also fixed on the base 1, and the push-in driving device 4 is used for driving the punching mechanism 3 to move towards the product 100 along the sliding rail, so that the bearing plate 31, the push rod 32, the transmission component 34 and the upper knife 35 on the bearing plate extend into the product 100, and the lower knife 36 is positioned outside the product 100.

Referring to fig. 4, the punching mechanism 3 further includes a mounting plate 37 and a cylinder fixing plate 39, the lower blade 36 is fixed to the mounting plate 37 by a lower blade holder 38, and the punching driving device 33 is fixed to the cylinder fixing plate 39. The mounting plate 37 and the cylinder fixing plate 39 are both distributed in the vertical direction and are connected vertically to each other, the carrier plate 31 is distributed in the horizontal direction and is located at a right angle formed by the mounting plate 37 and the cylinder fixing plate 39, and the carrier plate 31 is simultaneously fixedly connected to the mounting plate 37 and the cylinder fixing plate 39.

Referring to fig. 5, a gap is left between the mounting plate 37 and the carrier plate 31, when the push driving device 4 drives the punching mechanism 3 to move towards the product 100, the carrier plate 31 and the push rod 32, the transmission assembly 34 and the upper knife 35 thereon extend into the product 100, the mounting plate 37 and the lower knife 36 and the lower knife holder 38 thereon are still located outside the product 100, and the part to be punched (i.e. the rear side wall of the product 100) of the product 100 is inserted into the gap, so that the part to be punched of the product 100 can be located between the upper knife 35 and the lower knife 36.

It should be noted that, the end of the carrying plate 31 facing the product 100 is fixed with a guide block 310, so that the carrying plate 31 can smoothly enter the product 100 under the guiding action of the guide block 310.

Alternatively, both the punch drive 33 and the push drive 4 are air cylinders.

In the embodiment, two punching mechanisms 3 are symmetrically distributed on the outer sides of the left end and the right end of the carrying platform 11, and correspondingly, two pushing driving devices 4 are fixed on the left end and the right end of the base 1 and are respectively connected with the two punching mechanisms 3. The two punching mechanisms 3 are respectively driven by two pushing-in driving devices 4 to extend into the product 100 from the left end and the right end so as to punch two through holes on the product 100 at the same time, thereby improving the efficiency.

Referring to fig. 5 and 6, the transmission assembly 34 includes a pressing plate 341 and an upper tool holder 342, both front and rear sides of the carrier plate 31 are respectively provided with a receiving groove, the pressing plate 341 and the upper tool holder 342 are respectively disposed in the two receiving grooves, and the pressing plate 341 and the upper tool holder 342 are fixedly connected by a guide post 344, and the guide post 344 is slidably inserted into the carrier plate 31 for improving stability of movement. The upper knife 35 is fixed on the upper knife holder 342 and is opposite to the lower knife 36, when the push rod 32 is driven to extend by the punching driving device 33, the push rod 32 can apply pressure to the pressing plate 341 and drive the upper knife holder 342 and the upper knife 35 to move towards the lower knife 36 through the guide post 344.

Further, a roller 343 is axially disposed on the pressing plate 341, an inclined plane 321 is disposed on the push rod 32, and the roller 343 is in rolling contact with the inclined plane 321. When the push rod 32 is driven to extend by the punching driving device 33, the push rod 32 is matched with the roller 343 by the inclined surface 321 to apply pressure to the pressing plate 341, so as to push the pressing plate 341, the upper tool holder 342 and the upper tool 35 to move, so that a larger punching force can be provided, and the punching reliability is ensured.

In this embodiment, the direction of movement of the push rod 32 is perpendicular to the direction of movement of the upper blade 35.

In addition, a return spring 345 is mounted between the pressing plate 341 and the carrier plate 31, and the return spring 345 is used for applying an elastic force to the pressing plate 341 in a direction opposite to the upper tool holder 342. After the punching is completed, when the push rod 32 is driven by the punching driving device 33 to withdraw backward, the pressing plate 341 drives the upper tool holder 342 and the upper tool 35 to return under the elastic force of the return spring 345.

Further, a stripper block 346 capable of floating back and forth is further mounted on the upper tool holder 342, and a stripper spring 347 is mounted between the stripper block 346 and the upper tool holder 342, wherein the stripper spring 347 always applies an elastic force to the stripper block 346 in the direction of the knife 36. The middle of the stripping block 346 is provided with a receiving hole, the upper knife 35 is positioned in the receiving hole, and in a natural state, one side surface of the stripping block 346 facing the lower knife 36 protrudes from one side surface of the upper knife 35 facing the lower knife 36. In this way, when the push rod 32 is driven by the punching driving device 33 to extend and drive the transmission assembly 34 to move, the knockout block 346 is firstly abutted against the inner wall of the product 100, then the upper knife 35 contacts the product 100 to cooperate with the lower knife 36 to start punching, during this period, the knockout spring 347 is further compressed, the knockout block 346 cooperates with the mounting plate 37 to clamp and position the product 100, so as to improve the punching effect, and after the punching is completed, the pressing plate 341 drives the upper knife holder 342 and the upper knife 35 to reset under the elastic force of the reset spring 345 for a certain distance, the knockout block 346 keeps pressing the product 100 under the elastic force of the knockout spring 347, so that the upper knife 35 is conveniently separated from the product 100.

Referring to fig. 2 and 3, the positioning mechanism 2 includes a first positioning cylinder 21 disposed at the rear side of the stage 11, a first push block 22 mounted on the first positioning cylinder 21, and a first positioning block 23 fixed at the front side of the stage 11, the first positioning cylinder 21 being for driving the first push block 22 to push the product 100 on the stage 11 against the first positioning block 23, in which state the left and right ports of the product 100 can be made to face the carrier plate 31.

In addition, the positioning mechanism 2 further includes a second positioning cylinder 24 disposed on the front side of the stage 11, and a second push block 25 mounted on the second positioning cylinder 24, and a second positioning block 371 is provided on the mounting plate 37. After the carrier plate 31 and the push rod 32, the transmission assembly 34 and the upper knife 35 thereon extend into the product 100, the second positioning cylinder 24 drives the second push block 25 to push the product 100 on the carrier 11 to abut against the second positioning block 371, and the outer wall of the product 100 is tightly attached to the lower knife 36, so that the upper knife 35 and the lower knife 36 punch a hole, thereby improving the punching effect.

Referring to fig. 4, a third positioning block 311 is fixedly installed on the carrier plate 31 for positioning the product 100 in the longitudinal direction thereof.

The working principle of the high-precision automatic punching device is as follows:

Firstly, the product 100 to be punched is horizontally placed on a carrying platform 11, secondly, a first positioning cylinder 21 drives a first push block 22 to push the product 100 on the carrying platform 11 to be abutted against a first positioning block 23, so that the left end opening and the right end opening of the product 100 are opposite to carrying plates 31 of two punching mechanisms 3, secondly, two pushing driving devices 4 respectively drive two punching mechanisms 3 to move towards the product 100 along sliding rails, so that the carrying plates 31 and push rods 32, a transmission component 34 and an upper cutter 35 on the carrying plates are stretched into the product 100 until the left end and the right end of the product 100 are respectively abutted against third positioning blocks 311 of the two carrying plates 31, afterwards, the first positioning cylinder 21 drives the first push block 22 to reset, a second positioning cylinder 24 drives a second push block 25 to push the product 100 to be abutted against a second positioning block of a mounting plate 37, so that the outer wall of the product 100 is abutted against a lower cutter 36, then, a push rod 32 is driven by a push driving device 33 to stretch out by means of a slope 321 to be matched with a roller 343 so as to apply pressure to the carrying plates 341, the upper cutter seat 342 and the upper cutter 35 to move the upper cutter 35, and the punching devices 371 are driven by the punching driving devices 4 to sequentially push the product 100 to be punched and finally, and the product 100 is driven to be sequentially punched and removed.

Therefore, the high-precision automatic punching device is capable of positioning the product 100 placed on the carrying platform 11 through the positioning mechanism 2, the push rod 32 is driven to move by the punching driving device 33, punching operation of the product 100 in a thin-wall tubular type can be achieved by pushing the upper knife 35 and the lower knife 36 through the transmission component 34, clamping and positioning of the product 100 can be facilitated, the product 100 is not easy to deform during punching, punching precision and quality can be guaranteed, punching efficiency can be improved, equipment cost is low, multi-working automatic processing of the product 100 can be achieved by matching with other external devices, the punching mechanism 3 is driven by the pushing driving device 4 to move towards the product 100, the bearing plate 31 and the push rod 32, the transmission component 34 and the upper knife 35 on the bearing plate can extend into the product 100, so that the part to be punched of the product 100 can be located between the upper knife 35 and the lower knife 36, meanwhile, the product 100 on the carrying platform 11 is pushed to be abutted against the first positioning block 23 through the first positioning cylinder 21, preliminary positioning of the product 100 is carried by the product 100, the two bearing plates 31 on the right side and the second positioning cylinder 37 can be pushed to accurately positioned by the second positioning cylinder 37 when the two bearing plates 31 are pushed to enable the two end of the product 100 to be abutted against the second positioning plate 31, and the second positioning plate 37 to be abutted against the second positioning device to the bearing plate 31, and the second positioning device is guaranteed to accurately move the bearing plate 31 to be abutted against the two end of the bearing plate 31, and the second positioning plate 31 is pushed to finish the end of the product 100, and the effect of the product is guaranteed to be abutted against the second positioning plate is pushed to be positioned on the two positioning device on the bearing plate 3 and the two side and the two positioning device is positioned side and positioned on the two side 3 and the end positioning device side and the end positioning device is pressed side and the positioning device side and the side 3 and the positioning device side 3 and positioned side and the positioning side and positioned side to side.

In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The foregoing description is only of a preferred embodiment of the utility model, which can be practiced in many other ways than as described herein, so that the utility model is not limited to the specific implementations disclosed above. While the foregoing disclosure has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model without departing from the technical solution of the present utility model still falls within the scope of the technical solution of the present utility model.

Claims

1. A high precision automatic punching device, comprising:

The top of the base (1) is provided with a carrying platform (11) for placing a product (100) to be punched;

the positioning mechanism (2) is used for positioning the product (100) on the carrying platform (11);

Punching mechanism (3), it includes loading board (31), slides and inserts locate push rod (32) on loading board (31), connect in punch a hole drive arrangement (33) of push rod (32), activity are located drive assembly (34) on loading board (31) and upper knife (35) and lower knife (36) of the position both sides of waiting to punch a hole of product (100) are distributed, punch a hole drive arrangement (33) are used for the drive push rod (32) remove, and pass through drive assembly (34) promote upper knife (35) cooperation lower knife (36) are punched a hole product (100).

2. The high-precision automatic punching device according to claim 1, wherein the punching mechanism (3) is slidably mounted on the base (1), a push-in driving device (4) connected with the punching mechanism (3) is fixed on the base (1), and the push-in driving device (4) is used for driving the punching mechanism (3) to move towards a product (100) and enabling the bearing plate (31) and the push rod (32), the transmission assembly (34) and the upper knife (35) on the bearing plate to extend into the product (100).

3. The high-precision automatic punching device according to claim 1, wherein the transmission assembly (34) comprises a pressing plate (341) and an upper cutter holder (342), the upper cutter holder (342) is fixedly connected to the pressing plate (341), the upper cutter (35) is fixed on the upper cutter holder (342), and when the push rod (32) is driven to extend by the punching driving device (32), the push rod (32) can apply pressure to the pressing plate (341) and drive the upper cutter holder (342) and the upper cutter (35) to move towards the lower cutter (36), and the moving direction of the push rod (32) is perpendicular to the moving direction of the upper cutter (35).

4. The high-precision automatic punching device as set forth in claim 3, wherein a roller (343) is arranged on the upper shaft of the pressing plate (341), an inclined surface (321) is arranged on the push rod (32), the roller (343) is in rolling contact with the inclined surface (321), and the push rod (32) is matched with the roller (343) by means of the inclined surface (321) so as to apply pressure to the pressing plate (341).

5. The high-precision automatic punching device according to claim 3, wherein the pressing plate (341) and the upper tool holder (342) are fixedly connected through a guide post (344), the guide post (344) is slidably matched with the bearing plate (31), a return spring (345) is installed between the pressing plate (341) and the bearing plate (31), and the return spring (345) is used for applying an elastic acting force to the pressing plate (341) in a direction opposite to the upper tool holder (342).

6. A high precision automatic punching apparatus as claimed in claim 3, characterized in that the upper blade holder (342) is provided with a floatable stripper block (346) and a stripper spring (347) for applying an elastic force to the stripper block (346) in the direction of the lower blade (36), the stripper block (346) being for pressing the product (100) upon return of the upper blade (35).

7. The high-precision automatic punching device according to claim 1, wherein the punching mechanism (3) further comprises a mounting plate (37), the lower knife (36) is fixed on the mounting plate (37), and a gap is reserved between the mounting plate (37) and the bearing plate (31) for inserting a part to be punched of a product (100), so that the part to be punched of the product (100) can be positioned between the upper knife (35) and the lower knife (36).

8. The high-precision automatic punching device as set forth in claim 7, characterized in that the positioning mechanism (2) comprises a first positioning cylinder (21) arranged on one side of the carrier (11), a first pushing block (22) mounted on the first positioning cylinder (21), and a first positioning block (23) fixed on the other side of the carrier (11), wherein the first positioning cylinder (21) is used for driving the first pushing block (22) to push a product (100) on the carrier (11) to be abutted against the first positioning block (23).

9. The high-precision automatic punching device according to claim 8, wherein the positioning mechanism (2) further comprises a second positioning cylinder (24) arranged on the other side of the carrying platform (11) and a second pushing block (25) arranged on the second positioning cylinder (24), a second positioning block (371) is arranged on the mounting plate (37), and the second positioning cylinder (24) is used for driving the second pushing block (25) to push a product (100) on the carrying platform (11) to be abutted against the second positioning block (371).

10. The high-precision automatic punching device according to claim 1, wherein two punching mechanisms (3) are symmetrically distributed outside two ends of the carrying platform (11).