CN220697998U

CN220697998U - Punching equipment

Info

Publication number: CN220697998U
Application number: CN202321733159.5U
Authority: CN
Inventors: 林国平
Original assignee: NINGBO JIANGBEI SHENGYA MACHINERY & EQUIPMENT FACTORY
Current assignee: NINGBO JIANGBEI SHENGYA MACHINERY & EQUIPMENT FACTORY
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-04-02
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses punching equipment, which belongs to the field of punching and comprises a workbench, wherein a punching part is arranged above the workbench and used for hollowing a workpiece, the punching part comprises a punch, a symmetrical positioning plate and a transmission part are arranged on the workbench, one end of the transmission part is connected with the positioning plate, the other end of the transmission part is connected with the punch, and the positioning plate clamps the workpiece through the transmission part when the punch descends. According to the punching equipment, the locating plate and the transmission part are arranged, the transmission part comprises the first rack, the first gear, the belt pulley group, the second gear and the second rack, and when the punch descends, the locating plate firstly fixes a workpiece, and the punch punches the workpiece. And the two positioning plates can adjust positions through adjusting screws so as to adapt to different workpieces.

Description

Punching equipment

Technical Field

The utility model relates to the field of punching, in particular to punching equipment.

Background

Punching refers to punching holes of various patterns on materials such as steel plates, leather, cloth and wood boards, when the existing punching equipment is used for punching, the phenomenon of material tilting or deviation is easy to cause, the positioning effect of a punching machine is poor, when the batch punching is carried out, the materials are required to be readjusted and positioned every time, the working efficiency is low, and the placing position of a workpiece to be processed cannot be adjusted. Accordingly, the present application proposes a punching apparatus.

Disclosure of Invention

The utility model provides punching equipment aiming at the defects in the prior art, and a workpiece is firstly fixed in punching when a punch descends by arranging a positioning plate and a transmission part. In order to solve the technical problems, the utility model is solved by the following technical scheme.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a punching equipment, includes the workstation, the top of workstation is provided with the part of punching a hole for work piece punches a hole, the part of punching a hole includes the drift, be provided with symmetrical locating plate and drive unit on the workstation, drive unit one end is connected with the locating plate, and the other end is connected with the drift, make the locating plate holder work piece through drive unit when the drift descends, make the position of punching a hole accurate.

Preferably, the punching component comprises a hydraulic cylinder, the punch is connected with the output end of the hydraulic cylinder, a connecting plate is arranged above the punch and connected with the transmission component, and the punch can be connected with the descending of the punch through the connecting plate without additional power.

Preferably, the transmission part comprises a first rack, a first gear, a belt pulley group, a second gear and a second rack, wherein the first rack is fixed with the connecting plate, the first gear is meshed with the first rack, the upper end of the belt pulley group is connected with the first gear, the lower end of the belt pulley group is connected with the second gear, the second rack is meshed with the second gear, and the end part of the second rack is fixed with the positioning plate. In the descending process of the punch, the two positioning plates are close to each other through the first rack, the first gear, the belt pulley group, the second gear and the second rack, and the workpiece is clamped and fixed.

Preferably, the pulley group comprises two fixed pulleys and a belt, and the two fixed pulleys are respectively and coaxially fixed with the first gear and the second gear. The workbench is fixedly connected with a vertical plate, the shaft is rotationally connected with the vertical plate, and the shaft supports the belt pulley group.

Preferably, the diameters of the two fixed pulleys are different. The distance of movement of the second rack can be adjusted according to the diameter of the different crown block, for example, when the upper crown block has a larger diameter than the lower crown block, the distance that the punch moves is made shorter than the distance that the second rack moves.

Preferably, the second rack is located below the second gear, a sliding rail is arranged on the workbench, and the second rack is in sliding fit with the sliding rail. The sliding rail is limited to the second rack, so that the second rack can stably move.

Preferably, an elastic telescopic rod is arranged between the positioning plate and the second rack, and two ends of the elastic telescopic rod are respectively connected with the second rack and the positioning plate. The workpiece needs to be fixed first and punched. The locating plate is contacted with the workpiece first, the punch head continuously descends, and the elastic telescopic rod enables the second rack to continuously move through telescopic action.

Preferably, the elastic telescopic rod comprises a fixed cylinder, a spring and a movable cylinder, wherein two ends of the spring are fixedly connected with the inner wall of the fixed cylinder and the inner wall of the movable cylinder respectively. The movable cylinder slides on the fixed cylinder, and the fixed cylinder and the movable cylinder are both cylindrical, so that the occupied space of the spring can be reduced.

Preferably, an adjusting screw is arranged between the fixed cylinder and the second rack, the end part of the fixed cylinder is fixedly connected with a limiting plate, the adjusting screw is connected with the second rack, and the adjusting screw is rotationally connected with the limiting plate. The bottom surface of limiting plate and the surface contact of workstation prevent that the locating plate from rotating.

Preferably, a protruding block extends from the end of the second rack, and the protruding block is in threaded connection with the adjusting screw. The second rack is limited by the slide rail, so that the second rack is prevented from rotating, and when the adjusting screw is rotated, the hydraulic cylinder does not work, and the second rack is locked.

Compared with the prior art, the utility model has the following beneficial effects: according to the punching equipment, the locating plate and the transmission part are arranged, the transmission part comprises the first rack, the first gear, the belt pulley group, the second gear and the second rack, and when the punch descends, the locating plate firstly fixes a workpiece, and the punch punches the workpiece. And the two positioning plates can adjust positions through adjusting screws so as to adapt to different workpieces.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the overall structure of the punching apparatus of the present utility model.

Fig. 2 is a schematic view of the transmission parts of the punching apparatus of the present utility model.

Fig. 3 is a schematic diagram of a pulley set of the punching apparatus of the present utility model.

Fig. 4 is a schematic view of an elastic telescopic rod of the punching apparatus of the present utility model.

Description of the figure: 1. a work table; 11. a slide rail; 12. a collection tank; 2. a punching part; 21. a punch; 22. a hydraulic cylinder; 23. a connecting plate; 3. a positioning plate; 4. a transmission member; 41. a first rack; 42. a first gear; 43. a belt pulley set; 431. a fixed pulley; 432. a belt; 44. a second gear; 45. a second rack; 451. a protruding block; 5. an elastic telescopic rod; 51. a fixed cylinder; 52. a spring; 53. a moving cylinder; 6. adjusting a screw; 7. and a limiting plate.

Detailed Description

The present utility model is described in further detail below with reference to the accompanying drawings.

The following description is presented to enable one of ordinary skill in the art to practice the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present utility model.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Referring to fig. 1-4, a punching device comprises a workbench 1, wherein a punching component 2 is arranged above the workbench 1 and is used for punching a workpiece, the punching component 2 comprises a punch 21, a through groove is formed in the workbench 1, a collecting groove 12 is formed in the workbench 1, waste materials punched in the punching process fall into the collecting groove 12 through the through groove, a symmetrical positioning plate 3 and a transmission component 4 are arranged on the workbench 1, one end of the transmission component 4 is connected with the positioning plate 3, the other end of the transmission component is connected with the punch 21, and the positioning plate 3 clamps the workpiece through the transmission component 4 when the punch 21 descends, so that the punching position is accurate.

The punching part 2 comprises a hydraulic cylinder 22, a punch 21 is connected with the output end of the hydraulic cylinder 22, a connecting plate 23 is arranged above the punch 21, the connecting plate 23 is connected with the transmission part 4, and the punch 21 can be connected with the descending of the punch 23 through the connecting plate 23 without additional power.

The transmission member 4 includes a first rack 41, a first gear 42, a pulley group 43, a second gear 44, and a second rack 45, the first rack 41 is fixed to the connection plate 23, the first gear 42 is meshed with the first rack 41, an upper end of the pulley group 43 is connected to the first gear 42, a lower end is connected to the second gear 44, the second rack 45 is meshed with the second gear 44, and an end of the second rack 45 is fixed to the positioning plate 3. During the descending process of the punch 21, the two positioning plates 3 are mutually close to each other through the first rack 41, the first gear 42, the belt pulley group 43, the second gear 44 and the second rack 45, so that the workpiece is clamped and fixed.

The pulley set 43 includes two fixed pulleys 431 and a belt 432, and the two fixed pulleys 431 are coaxially fixed to the first gear 42 and the second gear 44, respectively. A riser is fixedly connected to the table 1, and the shaft is rotatably connected to the riser and supports the pulley set 43.

The diameters of the two fixed pulleys 431 are different. The moving distance of the second rack 45 may be adjusted according to the diameters of the different fixed pulleys 431, for example, when the upper fixed pulley 431 has a larger diameter than the lower fixed pulley 431, so that the distance by which the punch 21 moves is shorter than the distance by which the second rack 45 moves.

The second rack 45 is located below the second gear 44, and the workbench 1 is provided with a sliding rail 11, and the second rack 45 is in sliding fit with the sliding rail 11. The slide rail 11 limits the second rack 45, so that the second rack 45 can stably move.

An elastic telescopic rod 5 is arranged between the positioning plate 3 and the second rack 45, and two ends of the elastic telescopic rod 5 are respectively connected with the second rack 45 and the positioning plate 3. The workpiece needs to be fixed first and punched. The positioning plate 3 is firstly contacted with the workpiece, the punch 21 continues to descend, and the elastic telescopic rod 5 enables the second rack 45 to continuously move through telescopic action.

The elastic telescopic rod 5 comprises a fixed cylinder 51, a spring 52 and a movable cylinder 53, wherein two ends of the spring 52 are fixedly connected with the inner wall of the fixed cylinder 51 and the inner wall of the movable cylinder 53 respectively. The movable cylinder 53 slides on the fixed cylinder 51, and both the fixed cylinder 51 and the movable cylinder 53 are cylindrical, so that the space occupied by the spring 52 can be reduced.

An adjusting screw rod 6 is arranged between the fixed cylinder 51 and the second rack 45, the end part of the fixed cylinder 51 is fixedly connected with a limiting plate 7, the adjusting screw rod 6 is connected with the second rack 45, and the adjusting screw rod 6 is rotationally connected with the limiting plate 7. The bottom surface of the limiting plate 7 is contacted with the surface of the workbench 1, so that the positioning plate 3 is prevented from rotating.

The end of the second rack 45 extends with a protruding block 451, and the protruding block 451 is in threaded connection with the adjusting screw 6. The second rack 45 is limited by the slide rail 11, so that the second rack 45 is prevented from rotating, and when the adjusting screw 6 is rotated, the hydraulic cylinder 22 does not work, so that the second rack 45 is locked.

In summary, the hydraulic cylinder 22 is started to enable the punch 21 to descend, the punch 21 drives the connecting plate 23 to descend, the connecting plate 23 drives the first rack 41 to move downwards, the first rack 41 enables the first gear 42 to rotate, the first gear 42 drives the belt pulley group 43 to work, the belt pulley group 43 enables the second gear 44 to rotate, the second gear 44 enables the second rack 45 to move, the second rack 45 drives the positioning plate 3 to move, so that the two fixed plates move in opposite directions, before punching, the positioning plate 3 clamps a workpiece, then the punch 21 continues to descend, the elastic telescopic rod 5 enables the second rack 45 to continue to move, and after punching is completed, the positioning plates 3 are far away from each other in the ascending process of the punch 21.

When the sizes of the workpieces are different, the positions of the elastic telescopic rod 5 and the positioning plate 3 can be adjusted through the adjusting screw rod 6, so that different workpieces can be suitable. When the position of the punched hole is located at the edge of the workpiece, it is also possible to adjust the position by means of two adjusting screws 6 so that the punch 21 corresponds to the edge of the workpiece.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims

1. Punching equipment, comprising a work table (1), characterized in that: the automatic punching device is characterized in that a punching part (2) is arranged above the workbench (1), the punching part (2) comprises a punch head (21), a symmetrical positioning plate (3) and a transmission part (4) are arranged on the workbench (1), one end of the transmission part (4) is connected with the positioning plate (3), the other end of the transmission part is connected with the punch head (21), and the punch head (21) enables the positioning plate (3) to clamp a workpiece through the transmission part (4) when being lowered.

2. A punching apparatus according to claim 1, characterized in that: the punching component (2) comprises a hydraulic cylinder (22), the punch (21) is connected with the output end of the hydraulic cylinder (22), a connecting plate (23) is arranged above the punch (21), and the connecting plate (23) is connected with the transmission component (4).

3. A punching apparatus according to claim 2, characterized in that: the transmission part (4) comprises a first rack (41), a first gear (42), a belt pulley group (43), a second gear (44) and a second rack (45), wherein the first rack (41) is fixed with the connecting plate (23), the first gear (42) is meshed with the first rack (41), the upper end of the belt pulley group (43) is connected with the first gear (42), the lower end of the belt pulley group is connected with the second gear (44), the second rack (45) is meshed with the second gear (44), and the end part of the second rack (45) is fixed with the positioning plate (3).

4. A punching apparatus according to claim 3, characterized in that: the pulley group (43) comprises two fixed pulleys (431) and a belt (432), and the two fixed pulleys (431) are coaxially fixed with the first gear (42) and the second gear (44) respectively.

5. A punching apparatus according to claim 4, characterized in that: the diameters of the two fixed pulleys (431) are different.

6. A punching apparatus according to claim 5, characterized in that: the second rack (45) is located below the second gear (44), the sliding rail (11) is arranged on the workbench (1), and the second rack (45) is in sliding fit with the sliding rail (11).

7. A punching apparatus according to claim 6, characterized in that: an elastic telescopic rod (5) is arranged between the positioning plate (3) and the second rack (45), and two ends of the elastic telescopic rod (5) are respectively connected with the second rack (45) and the positioning plate (3).

8. A punching apparatus according to claim 7, characterized in that: the elastic telescopic rod (5) comprises a fixed cylinder (51), a spring (52) and a movable cylinder (53), wherein two ends of the spring (52) are fixedly connected with the inner wall of the fixed cylinder (51) and the inner wall of the movable cylinder (53) respectively.

9. A punching apparatus according to claim 8, characterized in that: an adjusting screw (6) is arranged between the fixed cylinder (51) and the second rack (45), the end part of the fixed cylinder (51) is fixedly connected with a limiting plate (8), the adjusting screw (6) is connected with the second rack (45), and the adjusting screw (6) is rotationally connected with the limiting plate (8).

10. A punching apparatus according to claim 9, characterized in that: the end part of the second rack (45) is extended with a protruding block (451), and the protruding block (451) is in threaded connection with the adjusting screw (6).