CN221021140U

CN221021140U - Dual-purpose shearing mechanism of bent sword machine

Info

Publication number: CN221021140U
Application number: CN202323062828.3U
Authority: CN
Inventors: 黄益健; 朱方固
Original assignee: Shenzhen Zhengyuan Intelligent Knife Die Equipment Co ltd
Current assignee: Shenzhen Zhengyuan Intelligent Knife Die Equipment Co ltd
Priority date: 2023-11-13
Filing date: 2023-11-13
Publication date: 2024-05-28
Anticipated expiration: 2033-11-13

Abstract

The utility model is suitable for the technical field of knife bending machines, and provides a dual-purpose shearing device of a knife bending machine, which comprises a driving mechanism, a punching mechanism and a cutting mechanism, wherein the punching mechanism and the cutting mechanism are respectively connected to two sides of the driving mechanism; the servo motor is started and drives the speed reducer to operate, the speed reducer drives the eccentric shaft to rotate, the eccentric shaft rotates and can simultaneously make the first lever assembly and the second lever assembly to make reciprocating motion, namely, the punching mechanism and the cutting mechanism can be simultaneously driven to operate, the punching mechanism and the cutting mechanism share one driving mechanism, the synchronous operation of the punching and the cutting processes can be kept, the structure of the shearing device is further simplified, and the production cost is reduced.

Description

Dual-purpose shearing mechanism of bent sword machine

Technical Field

The utility model belongs to the technical field of cutter bending machines, and particularly relates to a dual-purpose shearing device of a cutter bending machine.

Background

The bending cutter machine is widely used for manufacturing high-precision cutter templates such as electrons, photoelectricity and the like, and is used as a matched industrial product along with rapid development of the electronics, printing and packaging industries, so that the cutter mold processing industry of the die cutting plate is greatly developed. When the traditional knife bending machine performs shearing work, two working procedures of punching and cutting are generally needed for knife materials, and two sets of different driving mechanisms are needed for respectively operating the punching and cutting, so that the production cost is high, and the synchronous operation of the two working procedures of punching and cutting is difficult to keep; in addition, the driving mechanism generally drives the cutter to move to cut through the cylinder, and after the cylinder is used too much, the loss is easy to cause, so that the power for driving the cutter is insufficient, the cutter material cannot be smoothly cut, and the cutter material is not easy to break and cut off.

Disclosure of utility model

The utility model aims to overcome the defect that the synchronous progress of the two working procedures of punching and cutting is difficult to keep in the prior art, and provides a dual-purpose shearing device of a knife bending machine.

The utility model is realized in the following way: the utility model provides a dual-purpose shearing mechanism of bent sword machine, includes actuating mechanism, break mechanism and shutdown mechanism, break mechanism with shutdown mechanism connect respectively in actuating mechanism's both sides, actuating mechanism includes servo motor, servo motor's output shaft is connected with the speed reducer, be equipped with in the speed reducer with servo motor's output shaft's eccentric shaft, one side of eccentric shaft pass through first lever assembly with break mechanism connects, the opposite side of eccentric shaft pass through second lever assembly with shutdown mechanism connects.

Further, the first lever assembly comprises a breaking connecting rod rotationally connected with the eccentric shaft, a breaking lever is connected to one side, away from the eccentric shaft, of the breaking connecting rod, and one side, away from the breaking connecting rod, of the breaking lever is connected with the breaking mechanism.

Further, the breaking mechanism comprises a fixed base, a breaking pushing block is horizontally connected to the fixed base in a sliding manner, the breaking pushing block is connected with the breaking lever, and a breaking blade for breaking a cutter material is arranged on the breaking pushing block.

Further, the second lever assembly comprises a cutting connecting rod rotationally connected with the eccentric shaft, a pushing block horizontally moving is connected to one side, away from the eccentric shaft, of the cutting connecting rod, a roller is connected to the pushing block, a cutting lever is connected to the roller, and one side, away from the roller, of the cutting lever is connected with the cutting mechanism through a pushing connecting rod.

Further, the cutting mechanism comprises a fixed mould, a fixed blade is arranged on the fixed mould, a pushing sliding block is horizontally and slidably connected on the fixed mould, a cutting blade matched with the fixed blade is arranged on the pushing sliding block, one end of a pushing connecting rod is connected with the pushing sliding block, and the other end of the pushing connecting rod is connected with the cutting lever.

Further, the pushing block is also connected with a guide component.

Further, the guide assembly comprises a guide rod and two fixing blocks, the push block is arranged between the two fixing blocks, and the guide rod penetrates through the push block and is arranged between the two fixing blocks.

Further, the fixed mould is also connected with a lifting mechanism, and the lifting mechanism is used for simultaneously driving the fixed mould and the pushing sliding block to lift in the vertical direction.

Further, the lifting mechanism comprises a motor, a screw rod connected with an output shaft of the motor, and a lifting sliding block connected with a threaded hole of the screw rod, wherein the lifting sliding block is connected with the fixed mould.

The dual-purpose shearing device of the knife bending machine provided by the utility model has the advantages that the servo motor is started and drives the speed reducer to operate, the speed reducer drives the eccentric shaft to rotate, the eccentric shaft rotates and can simultaneously drive the punching mechanism and the cutting mechanism to operate, the punching mechanism and the cutting mechanism share one driving mechanism, the synchronous progress of the punching and the cutting processes can be kept, the structure of the shearing device is further simplified, and the production cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are 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.

The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model.

Fig. 1 is a schematic structural view of a shearing device provided by the utility model.

Fig. 2 is a schematic view of the cooperation of the drive mechanism and the break-out mechanism in the present utility model.

Fig. 3 shows a die structure after being broken by the breaking mechanism in the present utility model.

Fig. 4 is a schematic view of the cooperation of the drive mechanism and the cutoff mechanism in the present utility model.

Fig. 5 shows a die structure after cutting by the cutting mechanism in the present utility model.

Reference numerals illustrate: 1. a driving mechanism; 11. a servo motor; 12. a speed reducer; 121. a rotating wheel; 13. an eccentric shaft; 2. a punching mechanism; 21. a fixed base; 22. punching off the pushing block; 3. a cutting mechanism; 31. a fixed mold; 32. a fixed blade; 33. pushing the sliding block; 34. a cutting blade; 35. a motor; 36. a screw rod; 37. a lifting slide block; 4. a first lever assembly; 41. punching the connecting rod; 42. breaking the lever; 5. a second lever assembly; 51. a pushing block; 52. a roller; 53. cutting off the lever; 54. pushing the connecting rod; 55. a guide rod; 56. and a fixed block.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1, the dual-purpose shearing device of a knife bending machine disclosed by the utility model comprises a driving mechanism 1, a breaking mechanism 2 and a cutting mechanism 3, wherein the breaking mechanism 2 and the cutting mechanism 3 are respectively connected to two sides of the driving mechanism 1, the driving mechanism 1 comprises a servo motor 11, an output shaft of the servo motor 11 is connected with a speed reducer 12, an eccentric shaft 13 connected with an output shaft of the servo motor 11 is arranged in the speed reducer 12, one side of the eccentric shaft 13 is connected with the breaking mechanism 2 through a first lever assembly 4, and the other side of the eccentric shaft 13 is connected with the cutting mechanism 3 through a second lever assembly 5. That is, when the servo motor 11 starts to drive the speed reducer 12 to operate, the eccentric shaft 13 rotates along with the rotation of the rotating wheel 121 in the servo motor 11, and the rotation of the eccentric shaft 13 enables the first lever assembly 4 and the second lever assembly 5 to operate simultaneously, that is, the breaking mechanism 2 and the cutting mechanism 3 can operate synchronously, the breaking mechanism 2 and the cutting mechanism 3 share one driving mechanism 1 to operate, and the structure of the whole shearing device can be simpler, and the production cost can be reduced.

Specifically, as shown in fig. 2, the first lever assembly 4 includes a breaking connecting rod 41 rotatably connected to the eccentric shaft 13, a breaking lever 42 is connected to a side of the breaking connecting rod 41 away from the eccentric shaft 13, a side of the breaking lever 42 away from the breaking connecting rod 41 is connected to the breaking mechanism 2, and both the breaking connecting rod 41 and the eccentric shaft 13 and the breaking lever 42 are rotatably connected. Further, the breaking mechanism 2 includes a fixed base 21, a breaking pushing block 22 is horizontally slidably connected to the fixed base 21, the breaking pushing block 22 is connected to the breaking lever 42, and a breaking blade (not labeled in the figure) for breaking a knife material is disposed on the breaking pushing block 22. That is, when the servo motor 11 starts to drive the speed reducer 12 to operate, the eccentric shaft 13 rotates along with the rotation of the rotating wheel 121 in the servo motor 11, the eccentric shaft 13 drives one side of the breaking lever 42 to perform turnover movement, at this time, the other side of the breaking link 41 is driven to perform forward and backward horizontal reciprocating movement, while the other side of the breaking lever 42 pulls one side of the breaking lever 42 to perform forward and backward horizontal reciprocating movement, the other side of the breaking lever 42 is connected with the breaking pushing block 22, so that the breaking pushing block 22 performs forward and backward horizontal reciprocating movement, at this time, the breaking pushing block 22 can drive the breaking blade to move in the direction of the cutter until the cutter is subjected to breaking processing, as shown in fig. 3, after one position on the cutter is broken, the breaking pushing block 22 continues to move in the direction away from the cutter, so as to wait for the arrival of another position where the cutter needs breaking. With this circulation, the punching operation of the whole knife material can be completed.

In addition, as shown in fig. 4, the second lever assembly 5 includes a cutting link rotatably connected to the eccentric shaft 13, a pushing block 51 horizontally moving is connected to a side of the cutting link away from the eccentric shaft 13, a roller 52 is connected to the pushing block 51, a cutting lever 53 is connected to the roller 52, that is, the roller 52 is rotatably connected to the cutting lever 53, and a side of the cutting lever 53 away from the roller 52 is connected to the cutting mechanism 3 through a pushing link 54. Further, the cutting mechanism 3 includes a fixed mold 31, a fixed blade 32 is disposed on the fixed mold 31, a pushing slider 33 is further horizontally slidably connected to the fixed mold 31, a cutting blade 34 adapted to the fixed blade 32 is disposed on the pushing slider 33, the cutting material is cut between the fixed blade 32 and the cutting blade 34, one end of the pushing link 54 is rotatably connected to the pushing slider 33, and the other end is rotatably connected to the cutting lever 53. That is, when the servo motor 11 starts to drive the speed reducer 12 to rotate, the eccentric shaft 13 rotates along with the rotation of the rotating wheel 121 in the servo motor 11, the eccentric wheel synchronously drives the cutting link (not shown in the figure) to do turnover movement, the cutting link drives the push block 51 to do horizontal back and forth movement, the push block 51 is connected with the cutting lever 53 through the roller 52, that is, the push block 51 can drive the cutting lever 53 to do horizontal back and forth movement under the action of the roller 52, the cutting lever 53 can directly drive the pushing link 54 to do horizontal back and forth movement, that is, the pushing slide 33 and the fixed die 31 do relative movement, and when the cutting blade 34 moves to abut against the fixed die 32 along with the driving of the pushing slide 33, the cutting blade can perform cutting processing on the workpiece, as shown in fig. 5; when the cutting blade 34 moves away from the fixed blade 32 along with the driving of the pushing slider 33, the knife material can pass between the fixed blade 32 and the cutting blade 34, so that the cutting of the next position of the knife material is facilitated.

Further, in order to improve the movement stability of the push block 51, the push block 51 is further connected with a guiding assembly. Specifically, the guide assembly includes a guide rod 55 and two fixing blocks 56, the push block 51 is disposed between the two fixing blocks 56, the guide rod 55 passes through the push block 51 and is disposed between the two fixing blocks 56, that is, the push block 51 can horizontally move along the guide rod 55, and the smooth movement of the push block 51 can enable the cutting lever 53 to horizontally move smoothly, that is, the cutting blade 34 can be ensured to be stably in abutting fit with the fixed blade 32 under the driving of the pushing slider 33, so that the cutter material can be smoothly cut off.

In addition, in order to match the cutting heights of different cutting dies, the fixed die 31 is further connected with a lifting mechanism, the lifting mechanism is used for simultaneously driving the fixed die 31 and the pushing slide block 33 to lift in the vertical direction, the lifting mechanism comprises a motor 35, a screw rod 36 connected with an output shaft of the motor 35, a lifting slide block 37 connected with a threaded hole of the screw rod 36, and the lifting slide block 37 is connected with the fixed die 31. The motor 35 directly drives the screw rod 36 to rotate, the rotation of the screw rod 36 can drive the lifting slide block 37 to move vertically along the length direction of the screw rod 36, namely, the height of the fixed die 31 can be adjusted at any time, the pushing slide block 33 can be automatically adjusted along with the fixed adjustment, and the cutting lever 53 and the pushing slide block 33 are connected through the rotatable pushing connecting rod 54, so that the cutting lever 53 is not influenced to drive the pushing slide block 33 to horizontally move when the pushing slide block 33 moves along with the fixed die 31.

Compared with the prior art, the punching mechanism 2 and the cutting mechanism 3 can share one driving mechanism 1 according to the working principle, so that the synchronous progress of the punching and cutting processes can be kept, the structure of the whole shearing device is further simplified, and the production cost is reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a dual-purpose shearing mechanism of bent sword machine which characterized in that: the automatic cutting device comprises a driving mechanism (1), a breaking mechanism (2) and a cutting mechanism (3), wherein the breaking mechanism (2) and the cutting mechanism (3) are respectively connected to two sides of the driving mechanism (1), the driving mechanism (1) comprises a servo motor (11), an output shaft of the servo motor (11) is connected with a speed reducer (12), an eccentric shaft (13) connected with the output shaft of the servo motor (11) is arranged in the speed reducer (12), one side of the eccentric shaft (13) is connected with the breaking mechanism (2) through a first lever assembly (4), and the other side of the eccentric shaft (13) is connected with the cutting mechanism (3) through a second lever assembly (5).

2. The dual-purpose shearing device of a knife bender as claimed in claim 1, wherein: the first lever assembly (4) comprises a breaking connecting rod (41) which is rotationally connected with the eccentric shaft (13), one side, away from the eccentric shaft (13), of the breaking connecting rod (41) is connected with a breaking lever (42), and one side, away from the breaking connecting rod (41), of the breaking lever (42) is connected with the breaking mechanism (2).

3. The dual-purpose shearing device of a knife bender as claimed in claim 2, wherein: the punching mechanism (2) comprises a fixed base (21), the fixed base (21) is horizontally connected with a punching pushing block (22) in a sliding manner, the punching pushing block (22) is connected with a punching lever (42), and the punching pushing block (22) is provided with a punching blade for punching a cutter material.

4. The dual-purpose shearing device of a knife bender as claimed in claim 1, wherein: the second lever assembly (5) comprises a cutting connecting rod rotationally connected with the eccentric shaft (13), one side, away from the eccentric shaft (13), of the cutting connecting rod is connected with a pushing block (51) which moves horizontally, a roller (52) is connected to the pushing block (51), a cutting lever (53) is connected to the roller (52), and one side, away from the roller (52), of the cutting lever (53) is connected with the cutting mechanism (3) through a pushing connecting rod (54).

5. The dual-purpose shearing device of a knife bender as claimed in claim 4, wherein: the cutting mechanism (3) comprises a fixed mould (31), a fixed blade (32) is arranged on the fixed mould (31), a pushing sliding block (33) is horizontally and slidably connected onto the fixed mould (31), a cutting blade (34) matched with the fixed blade (32) is arranged on the pushing sliding block (33), one end of a pushing connecting rod (54) is connected with the pushing sliding block (33), and the other end of the pushing connecting rod is connected with the cutting lever (53).

6. The dual-purpose shearing device of a knife bender as claimed in claim 5, wherein: the pushing block (51) is also connected with a guide assembly.

7. The dual-purpose shearing device of a knife bender as claimed in claim 6, wherein: the guide assembly comprises a guide rod (55) and two fixed blocks (56), the push block (51) is arranged between the two fixed blocks (56), and the guide rod (55) passes through the push block (51) and is arranged between the two fixed blocks (56).

8. The dual-purpose shearing device of a knife bender as claimed in claim 5, wherein: the fixed mould (31) is also connected with a lifting mechanism which is used for simultaneously driving the fixed mould (31) and the pushing slide block (33) to lift in the vertical direction.

9. The dual-purpose shearing device of a knife bender as claimed in claim 8, wherein: the lifting mechanism comprises a motor (35), a screw rod (36) connected with an output shaft of the motor (35), and a lifting slide block (37) connected with a threaded hole of the screw rod (36), wherein the lifting slide block (37) is connected with the fixed mould (31).