Buffering pressure-resistant structure of punching machine

Abstract

The utility model belongs to the field of punching machines, particularly relates to a buffering and pressure-resisting structure of a punching machine, and aims to solve the problems that the existing buffering and pressure-resisting structure is lack of a protection mechanism, potential safety hazards exist when a workpiece is replaced aside during punching, an operator needs to walk back and forth according to the position of the replaced workpiece, and the labor intensity is high. The surface of the bottom of the machine frame is rotationally connected with a rotating shaft, a rotating table is fixedly arranged at the top end of the rotating shaft, two symmetrically-arranged grooves are formed in the surface of the rotating table, a plurality of dampers are fixedly arranged at the bottoms of the two grooves, and the same mold plate is fixedly arranged at the top ends of the dampers in the same groove. Buffer can be provided for the die plate during stamping, the service life of the structure is prolonged, protection can be provided for operators, the danger of operation is reduced, the operators can replace workpieces at fixed positions without walking back and forth, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch press technical field especially relates to a buffer compression structure of punch press. BACKGROUND

[0002] Punch press, also known as press machine, is a kind of mechanical equipment for metal forming. It exerts pressure on the material placed between the die to make it plastically deform or separate, so as to obtain the required shape and size. This device is widely used in automobile, aerospace, electronics, electrical appliances, instruments, transportation, hardware, communication, medical devices, household appliances and other manufacturing fields.

[0003] Through the retrieval, the patent with disclosure number CN217617096U discloses a mechanical machining punch press with buffer structure, the equipment can alternately replace workpiece in the process of processing, however, there are following shortcomings in use:

[0004] 1. Lack of protection mechanism, there is a security risk in replacing workpiece on the side during stamping.

[0005] 2. The operator needs to move back and forth according to the position of the replaced workpiece, which is labor-intensive.

[0006] Therefore, we propose a buffer compression structure of punch press. INVENTION CONTENTS

[0007] The utility model aims at solving the lack of protection mechanism in prior art, the security risk of replacing workpiece on the side during stamping, and the labor-intensive of the operator moving back and forth according to the position of the replaced workpiece, and proposes a buffer compression structure of punch press.

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0009] A buffer compression structure of punch press, comprising:

[0010] The bottom surface of the rack is rotatably connected with a rotating shaft, the top end of the rotating shaft is fixedly provided with a rotating table, the surface of the rotating table is provided with two symmetrically arranged grooves, the bottoms of the two grooves are fixedly provided with a plurality of dampers, the top ends of the plurality of dampers in the same groove are fixedly provided with the same die plate, the surfaces of the two die plates are provided with die grooves, a plurality of springs are fixedly arranged between the die plate and the groove, and the spring is located outside the damper.

[0011] The protection mechanism is arranged on one side of the rack to provide protection for the operator.

[0012] The stamping mechanism is arranged on the top inner wall of the rack to stamp the workpiece.

[0013] An auxiliary support mechanism is arranged on the bottom surface of the frame to support the rotating table;

[0014] A driving mechanism is arranged on one side of the frame to drive the rotating shaft.

[0015] In a possible design, the protection mechanism comprises a mounting plate fixed on one side of the frame, and a transparent plate fixed on the bottom of the mounting plate.

[0016] In a possible design, the bottom of the transparent plate is fixed with a bottom frame, the bottom frame is fixed with the frame, and the inner wall of the top of the bottom frame and the surface of the rotating table are left with a gap.

[0017] In a possible design, the punching mechanism comprises a first hydraulic cylinder fixed on the inner wall of the top of the frame, and a punching head fixed on one end of the hydraulic rod of the first hydraulic cylinder.

[0018] In a possible design, the auxiliary support mechanism comprises a rectangular groove and two support grooves, the rectangular groove is arranged on the bottom surface of the frame, the bottom of the rectangular groove is fixed with a second hydraulic cylinder, one end of the hydraulic rod of the second hydraulic cylinder is fixed with a support plate, the support plate is in sliding connection with the rectangular groove, and the two support grooves are arranged on the bottom of the rotating table, and the top end of the support plate is located in one of the support grooves.

[0019] In a possible design, the driving mechanism comprises a motor fixed on one side of the frame, a synchronous wheel fixed on one end of the output shaft of the motor and the outer wall of the rotating shaft, and a synchronous belt in transmission connection between the two synchronous wheels.

[0020] In a possible design, two limiting grooves are arranged on the inner wall of each side of the groove, and two limiting blocks are fixed on each side of the die plate and in sliding connection with the limiting grooves.

[0021] In a possible design, two spherical grooves are arranged on each side of the limiting block, and a plurality of ball bearings are arranged in the spherical grooves.

[0022] In the application, the workpiece to be punched is placed in the die groove, the second hydraulic cylinder is started to drive the support plate to separate from the support groove, then the motor is started, the rotating shaft and the rotating table are driven to rotate under the action of the synchronous wheel and the synchronous belt, and then the workpiece is moved to the lower side of the punching head, then the second hydraulic cylinder is started to drive the support plate into the support groove to support the rotating table, then the first hydraulic cylinder is started to drive the punching head to punch the workpiece, in the process of punching, the workpiece to be processed is placed in another die groove, after the punching is completed, the second hydraulic cylinder is started to drive the support plate to separate from the support groove, then the motor is started to drive the rotating shaft and the rotating table to rotate, and then the workpiece processed is replaced, and the process is repeated.

[0023] Beneficial effects: in the utility model, the buffering and pressure resisting structure of the puncher, through the setting of damper, spring and die plate and other multiple structures, can provide buffering for the die plate during punching, prolong the service life of the structure;

[0024] In the utility model, the buffering and pressure resisting structure of the puncher, through the setting of mounting plate, transparent plate and chassis and other multiple structures, can provide protection for the operator, reduce the danger of operation;

[0025] In the utility model, the buffering and pressure resisting structure of the puncher, through the setting of rotating table, rotating shaft and groove and other multiple structures, can allow the operator to replace the workpiece at a fixed position, without walking back and forth, reduce the labor intensity;

[0026] In the utility model, the buffering and pressure resisting structure of the puncher, through the setting of rotating table, rotating shaft and groove and other multiple structures, can allow the operator to replace the workpiece at a fixed position, without walking back and forth, reduce the labor intensity. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 The utility model proposes a buffering and pressure resisting structure of puncher whole three-dimensional structure schematic diagram;

[0028] Figure 2 The utility model proposes a buffering and pressure resisting structure of puncher first visual angle partial three-dimensional structure schematic diagram;

[0029] Figure 3 The utility model proposes a buffering and pressure resisting structure of puncher second visual angle partial three-dimensional structure schematic diagram;

[0030] Figure 4 The utility model proposes a buffering and pressure resisting structure of puncher local section view structure schematic diagram.

[0031] In the drawing: 1, rack, 2, mounting plate, 3, transparent plate, 4, chassis, 5, first hydraulic cylinder, 6, punch head, 7, rotating shaft, 8, motor, 9, rectangular groove, 10, second hydraulic cylinder, 11, support plate, 12, rotating table, 13, groove, 14, die plate, 15, die groove, 16, damper, 17, spring, 18, limit groove, 19, limit block, 20, ball, 21, support groove. DETAILED DESCRIPTION

[0032] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments of the present application.

[0033] Embodiment 1: Refer to Figures 1-4 A buffer compression structure, comprising:

[0034] The bottom surface of the rack 1 is rotatably connected with a rotating shaft 7, the top end of the rotating shaft 7 is fixedly provided with a rotating table 12, the surface of the rotating table 12 is provided with two symmetrical grooves 13, the bottom of each of the two grooves 13 is fixedly provided with a plurality of dampers 16 for providing preliminary buffering effect, the top end of each of the plurality of dampers 16 in the same groove 13 is fixedly provided with the same mold plate 14, the surface of each of the two mold plates 14 is provided with a mold groove 15 for accommodating and positioning a workpiece, a plurality of springs 17 are fixedly arranged between the mold plate 14 and the groove 13, the spring 17 is located outside the damper 16, and the spring 17 can provide additional buffering and compression resistance during stamping;

[0035] The protection mechanism is arranged on one side of the rack 1 and used for providing protection for an operator, the protection mechanism comprises a mounting plate 2 fixedly arranged on one side of the rack 1, the bottom of the mounting plate 2 is fixedly provided with a transparent plate 3, the transparent plate 3 can be made of tempered glass or other transparent materials, so that the operator can clearly observe the stamping process and at the same time provide necessary protection, the bottom of the transparent plate 3 is fixedly provided with a bottom frame 4, the bottom frame 4 is fixed with the rack 1 to enhance the stability of the transparent plate 3, and the top inner wall of the bottom frame 4 and the surface of the rotating table 12 are left with a gap to ensure that the rotating table 12 can rotate smoothly;

[0036] The stamping mechanism is arranged on the top inner wall of the rack 1 and used for stamping the workpiece, the stamping mechanism comprises a first hydraulic cylinder 5 fixedly arranged on the top inner wall of the rack 1, one end of the hydraulic rod of the first hydraulic cylinder 5 is fixedly provided with a stamping head 6, and the stamping head 6 stamps the workpiece placed on the mold plate 14 under the driving of the hydraulic cylinder;

[0037] The auxiliary supporting mechanism is arranged on the bottom surface of the rack 1 and used for supporting the rotating table 12, the auxiliary supporting mechanism comprises a rectangular groove 9 and two supporting grooves 21, the rectangular groove 9 is arranged on the bottom surface of the rack 1, the bottom of the rectangular groove 9 is fixedly provided with a second hydraulic cylinder 10, one end of the hydraulic rod of the second hydraulic cylinder 10 is fixedly provided with a supporting plate 11, the supporting plate 11 is slidably connected with the rectangular groove 9, and the two supporting grooves 21 are arranged on the bottom of the rotating table 12, the top end of the supporting plate 11 is located in one of the supporting grooves 21, when the rotating table 12 is rotated to a proper position, the top end of the supporting plate 11 can be inserted into one of the supporting grooves 21 to provide additional support for the rotating table 12;

[0038] The driving mechanism is arranged on one side of the frame 1 and is used to drive the rotating shaft 7, and the driving mechanism comprises a motor 8 which is fixedly arranged on one side of the frame 1, and one end of an output shaft of the motor 8 and an outer wall of the rotating shaft 7 are both fixedly arranged with synchronous wheels, and the two synchronous wheels are drivingly connected with a synchronous belt, so as to drive the rotating shaft 7 and the rotating table 12 to rotate.

[0039] The present application can be applied to the field of punch press, and can also be applied to other fields applicable to the present application.

[0040] Embodiment 2: a buffer and pressure-resistant structure of a punch press improved on the basis of embodiment 1, which is applied to the field of punch press.

[0041] In another aspect of the embodiment, two limiting grooves 18 are arranged on the inner walls of the two sides of the groove 13, and two limiting blocks 19 are fixedly arranged on the two sides of the die plate 14, and the limiting block 19 and the limiting groove 18 are slidingly connected, so as to limit the sliding of the die plate 14, avoid the workpiece from extending out of the groove 13 when being placed, and facilitate the rotation of the rotating table 12.

[0042] In another aspect of the embodiment, two spherical grooves are arranged on the two sides of the limiting block 19, and a plurality of ball bearings 20 are arranged in the spherical grooves, and the ball bearings 20 can play a role of lubrication and reducing friction when the limiting block 19 slides, so as to improve the service life of the structure.

[0043] However, as known by those skilled in the art, the working principles and wiring methods of the first hydraulic cylinder 5, the motor 8 and the second hydraulic cylinder 10 are common, and they all belong to conventional means or common general knowledge, and thus will not be described here again, and those skilled in the art can make any selection or arrangement according to their needs or convenience.

[0044] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, and all of them should be covered in the protection scope of the present application.

Claims

1. A cushioning pressure-resistant structure of a punch press, characterized by comprising: The utility model relates to a stamping device with protection mechanism, including: Frame (1), the bottom surface of frame (1) is rotatably connected with the pivot (7), the top end of pivot (7) is fixedly arranged with the rotary table (12), the surface of rotary table (12) is provided with two symmetrical recesses (13), the bottom of two recesses (13) is fixedly arranged with a plurality of dampers (16), the top end of a plurality of dampers (16) in same recess (13) is fixedly arranged with same mould plate (14), the surface of two mould plates (14) is provided with mould groove (15), a plurality of springs (17) are fixedly arranged between mould plate (14) and recess (13), and spring (17) is located outside damper (16); Protection mechanism, protection mechanism is arranged in one side of frame (1), is used to provide protection for operator, Punching mechanism, punching mechanism is arranged in the top inner wall of frame (1), is used for stamping workpiece, Auxiliary support mechanism, auxiliary support mechanism is arranged in the bottom surface of frame (1), is used to provide support for rotary table (12), Driving mechanism, driving mechanism is arranged in one side of frame (1), is used to provide drive for pivot (7).

2. The buffer compression structure of a punch machine according to claim 1, wherein The protection mechanism includes a mounting plate (2) fixedly arranged on one side of the frame (1), and a transparent plate (3) fixedly arranged on the bottom of the mounting plate (2).

3. The buffer compression structure of a punch machine according to claim 2, wherein The bottom of the transparent plate (3) is fixedly arranged with a base (4) fixedly connected with the frame (1), and the top inner wall of the base (4) and the surface of the rotary table (12) have a gap.

4. The buffer compression structure of a punch machine according to claim 3, wherein The punching mechanism includes a first hydraulic cylinder (5) fixedly arranged on the top inner wall of the frame (1), and a punch head (6) fixedly arranged on one end of the hydraulic rod of the first hydraulic cylinder (5).

5. The cushioning pressure-resistant structure of a punch press according to claim 4, wherein The auxiliary support mechanism includes a rectangular groove (9) and two support grooves (21), the rectangular groove (9) is arranged on the bottom surface of the frame (1), the second hydraulic cylinder (10) is fixedly arranged on the bottom of the rectangular groove (9), the hydraulic rod of the second hydraulic cylinder (10) is fixedly arranged with a support plate (11), the support plate (11) is slidingly connected with the rectangular groove (9), and the top end of the support plate (11) is located in one of the two support grooves (21).

6. The buffer compression structure of a punch machine according to claim 5, wherein The driving mechanism includes a motor (8) fixedly arranged on one side of the frame (1), and synchronous belts are drivingly connected between the two synchronous wheels fixedly arranged on one end of the output shaft of the motor (8) and the outer wall of the pivot (7).

7. The buffer compression structure of a punch machine according to claim 6, wherein Two limiting grooves (18) are arranged on the inner walls of the two sides of the recess (13), two limiting blocks (19) are fixedly arranged on the two sides of the mould plate (14), and the limiting blocks (19) are slidingly connected with the limiting grooves (18).

8. The buffer compression structure of a punch machine according to claim 7, wherein Two spherical grooves are arranged on the two sides of the limiting block (19), and a plurality of ball bearings (20) are arranged in the spherical grooves.

Images