CN210450737U - A rectifier bridge pin cutting device - Google Patents
A rectifier bridge pin cutting device Download PDFInfo
- Publication number
- CN210450737U CN210450737U CN201921188524.2U CN201921188524U CN210450737U CN 210450737 U CN210450737 U CN 210450737U CN 201921188524 U CN201921188524 U CN 201921188524U CN 210450737 U CN210450737 U CN 210450737U
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- China
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- knife edge
- cam
- rectifier bridge
- cutting device
- lower knife
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Abstract
The utility model belongs to the technical field of rectifier bridge processing equipment, in particular to a rectifier bridge pin cutting device, which comprises a workbench, wherein the workbench is provided with the cutting device, and the cutting device comprises an upper knife edge, a lower knife edge and a lower knife edge driving device; an upper knife edge is arranged in the lower knife edge; one side of the upper knife edge is provided with a movable block, the movable block is provided with a U-shaped push-pull frame, and the U-shaped push-pull frame is arranged on the workbench through an elastic piece; the lower tool opening driving device comprises a motor, a speed reducer and a cam; the motor is connected with the speed reducer; the cam central shaft is provided with a cam, and the cam central shaft is connected with an output shaft of the speed reducer; the central shaft of the cam is vertical to the reciprocating direction of the lower knife edge; the upper knife edge is provided with 2 first rectangular holes, and the lower knife edge is provided with 1 second rectangular hole and 1T-shaped hole. The utility model discloses a motor and cam connecting rod's connecting band moving die utensil edge of a knife back-and-forth movement to reach the purpose to cutting off of rectifier bridge pin, it is laborsaving to save trouble, and the pin uniformity after cutting off is good.
Description
Technical Field
The utility model relates to a rectifier bridge processing equipment technical field specifically is a rectifier bridge pin cutting device.
Background
At present, the types of rectifier bridges are various in the market, and part of rectifier bridge users have requirements on the length of pins and have more specifications. The normally produced rectifier bridge has the same pin assembly length due to the sintering die structure. As shown in fig. 1, the QL12B rectifier bridge includes a housing 21 and a pin 22 disposed within the housing 21. Therefore, part of the pin length needs to be cut off as required. At present, the pins of the rectifier bridge are cut off by scissors and clamps, the time and the labor are consumed, the heights of the cut pins are different, and the consistency is poor.
Therefore, a new rectifier bridge pin cut-off device is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rectifier bridge pin cutting device moves mould edge of a knife back-and-forth movement through the connecting band of motor and cam connecting rod to reach the purpose to cutting off of rectifier bridge pin, it is laborsaving to save trouble, and the pin uniformity after cutting off is good.
The utility model aims at realizing the pin cutting device of the rectifier bridge by the following technical scheme, which comprises a workbench and is characterized in that the workbench is provided with the cutting device, and the cutting device comprises an upper knife edge, a lower knife edge and a lower knife edge driving device;
an upper knife edge is arranged in the lower knife edge, and the lower knife edge can perform linear reciprocating motion relative to the upper knife edge; one side of the upper knife edge is provided with a movable block, the movable block is provided with a U-shaped push-pull frame, and the U-shaped push-pull frame is arranged on the workbench through an elastic piece;
the lower knife edge driving device is positioned on one side of the upper knife edge and one side of the lower knife edge and comprises a motor, a speed reducer and a cam; the motor is connected with the speed reducer; the cam central shaft is provided with a cam, and the cam central shaft is connected with an output shaft of the speed reducer; the central shaft of the cam is vertical to the reciprocating direction of the lower knife edge;
2 first rectangular holes are formed in the upper knife edge, and 1 second rectangular hole and 1T-shaped hole are formed in the lower knife edge; the first rectangular hole, the second rectangular hole and the T-shaped hole are all arranged in parallel with the central shaft of the cam;
under the effect of cam and elastic component, lower knife edge realizes straight reciprocating motion to the realization cuts off the rectifier bridge pin in first rectangular hole, second rectangular hole, the T shape hole horizontal part, and the rectifier bridge pin of the vertical portion in T shape hole remains.
Preferably, the U-shaped push-pull frame comprises a connecting rod and two pull rods arranged at two ends of the connecting rod, the two pull rods are of L-shaped structures, and the two pull rods are respectively connected with the front side wall and the rear side wall of the movable block; the middle parts of the two pull rods are positioned below the cam.
Preferably, the cam performs a rotational movement in the U-shaped push-pull frame.
Preferably, the workbench is provided with a screw, one end of the elastic piece is arranged on the screw, and the other end of the elastic piece is arranged on a connecting rod of the U-shaped push-pull frame.
Preferably, the speed reducer adopts a worm and gear structure, and an output shaft of the speed reducer is perpendicular to an output shaft of the motor.
Preferably, the workbench is provided with a cushion block, the cushion block is provided with an upper knife edge, and a lower knife edge is arranged in a space between the upper knife edge and the cushion block.
Preferably, the workbench is provided with a supporting block, and the cam central shaft is supported by the speed reducer and the supporting block.
Preferably, the movable block is connected with the lower knife edge bolt.
Preferably, the width of the second rectangular hole is larger than the width of the first rectangular hole.
Preferably, the length of the vertical part of the T-shaped hole is greater than the difference between the maximum diameter and the minimum diameter of the cam.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, placing four pins of a rectifier bridge in two pairs in first rectangular holes of an upper knife edge, wherein two pins downwards penetrate through second rectangular holes of a lower knife edge, and the other two pins downwards respectively pass through a horizontal part and a vertical part of a T-shaped hole of the lower knife edge; through the matching of the elastic piece and the cam, when the protruding part of the cam is in close contact with the movable block under the driving of the motor, the cam pushes the lower knife edge rightwards through the movable block, overcomes the pulling force of the elastic piece on the lower knife edge, cuts off 2 pins of the second rectangular hole of the lower knife edge and 1 pin of the horizontal part of the T-shaped hole, and due to the avoidance space of the vertical part of the T-shaped hole in the length direction, 1 pin of the vertical part of the T-shaped hole is reserved, and the rectifier bridge with the cut-off pins is taken out; when the cam rotates and the protruding part of the cam is not contacted with the movable block, the elastic piece pulls the movable block and the lower knife edge to the left through the push-pull frame, at the moment, the rectifier bridge to be processed can be placed into the upper knife edge and the lower knife edge, and the steps are repeated.
Secondly, the arrangement of the U-shaped push-pull frame is adopted, so that the cam can rotate in the U-shaped push-pull frame, and the reciprocating motion of the U-shaped push-pull frame is ensured not to conflict with the rotating motion of the cam.
Thirdly, the cam is arranged to push the lower blade opening to move rightwards on one hand, and to limit the position of the lower blade opening to move leftwards on the other hand, and the maximum position of the lower blade opening to move leftwards can only be the position of the cam.
Fourth, adopt the utility model discloses carry out the pin and cut off, the pin cuts off the back dimensional consistency better, the incision parallel and level. The labor intensity of workers is reduced, the production efficiency is improved, and the operation is convenient. By utilizing the knife edge die, different dies can be replaced for different product models, the flexibility is higher, and the dependence on the manipulation skill of workers is reduced.
Drawings
Fig. 1 is a structural diagram of a rectifier bridge of the present invention;
fig. 2 is a schematic view of the overall structure of a rectifier bridge pin cutting device according to the present invention;
fig. 3 is a schematic structural view of a push-pull frame of a rectifier bridge pin cutting device according to the present invention;
fig. 4 is a schematic view of a pull rod structure of a push-pull frame of a rectifier bridge pin cutting device according to the present invention;
fig. 5 is a top view of an upper knife edge of a rectifier bridge pin cutting device according to the present invention;
fig. 6 is a top view of a lower knife edge of a rectifier bridge pin cutting device according to the present invention;
fig. 7 is a diagram of the position relationship between the upper and lower knife edges and the rectifier bridge of the rectifier bridge pin cutting device of the present invention (before cutting);
fig. 8 is a diagram showing the relationship between the upper and lower blades of the rectifier bridge pin cutting device and the rectifier bridge (after cutting).
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.
As shown in fig. 1-8, the rectifier bridge pin cutting device comprises a workbench, wherein the workbench is provided with the cutting device, and the cutting device comprises an upper knife edge 5, a lower knife edge 4 and a lower knife edge driving device.
An upper knife edge 5 is arranged in the lower knife edge 4, and the lower knife edge 4 can do linear reciprocating motion relative to the upper knife edge 5; one side of the upper knife edge 5 is provided with a movable block 11, the movable block 11 is provided with a U-shaped push-pull frame 10, and the U-shaped push-pull frame 10 is arranged on the workbench through an elastic piece 6.
The lower knife edge driving device is positioned on one side of the upper knife edge 5 and one side of the lower knife edge 4, and comprises a motor 1, a speed reducer 2 and a cam 3; the motor 1 is connected with the speed reducer 2; the cam central shaft 8 is provided with a cam 3, and the cam central shaft 8 is connected with an output shaft of the speed reducer 2; the cam central shaft 8 is arranged perpendicular to the reciprocating direction of the lower knife edge 4.
2 first rectangular holes 51 are formed in the upper knife edge 5, and 1 second rectangular hole 41 and 1T-shaped hole 42 are formed in the lower knife edge 4; the first rectangular hole 51, the second rectangular hole 41 and the T-shaped hole 42 are all arranged in parallel with the cam central shaft 8.
Under the action of the cam 3 and the elastic piece 6, the lower tool apron 4 realizes linear reciprocating motion, so that the rectifier bridge pins in the first rectangular hole 51, the second rectangular hole 41 and the T-shaped hole horizontal part 421 are cut off, and the rectifier bridge pins of the T-shaped hole vertical part 422 are reserved.
The U-shaped push-pull frame 10 comprises a connecting rod 101 and two pull rods 102 arranged at two ends of the connecting rod 101, the two pull rods 102 are of L-shaped structures, and the two pull rods 102 are respectively connected with the front side wall and the rear side wall of the movable block 11; the middle parts of the two pull rods 102 are positioned below the cam 3.
The cam 3 performs a rotational movement in the U-shaped push-pull frame 10.
The workbench is provided with a screw, one end of the elastic piece 6 is arranged on the screw, and the other end of the elastic piece 6 is arranged on the connecting rod 101 of the U-shaped push-pull frame 10. The elastic member 6 is a spring. The number of springs is 2.
The speed reducer 2 adopts a worm gear structure, and an output shaft of the speed reducer 2 is perpendicular to an output shaft of the motor 1.
The worktable is provided with a cushion block 7, the cushion block 7 is provided with an upper knife edge 5, and a lower knife edge 4 is arranged in the space between the upper knife edge 5 and the cushion block 7.
The workbench is provided with a supporting block 9, and the cam central shaft 8 is supported by the speed reducer 2 and the supporting block 9.
The movable block 11 is connected with the lower knife edge 4 through bolts.
The width of the second rectangular hole 41 is larger than the width of the first rectangular hole 51.
The length of the T-shaped bore vertical portion 422 is greater than the difference between the maximum and minimum diameters of the cam 3.
Placing four pins of a rectifier bridge in pairs in first rectangular holes of an upper knife edge, wherein two pins downwards penetrate through second rectangular holes of a lower knife edge, and the other two pins downwards respectively pass through a horizontal part and a vertical part of a T-shaped hole of the lower knife edge; through the matching of the elastic piece and the cam, when the protruding part of the cam is in close contact with the movable block under the driving of the motor, the cam pushes the lower knife edge rightwards through the movable block, overcomes the pulling force of the elastic piece on the lower knife edge, cuts off 2 pins of the second rectangular hole of the lower knife edge and 1 pin of the horizontal part of the T-shaped hole, and due to the avoidance space of the vertical part of the T-shaped hole in the length direction, 1 pin of the vertical part of the T-shaped hole is reserved, and a rectifier bridge for cutting off the pins is taken out; when the cam rotates and the protruding part of the cam is not contacted with the movable block, the elastic piece pulls the movable block and the lower knife edge to the left through the push-pull frame, at the moment, the rectifier bridge to be processed can be placed into the upper knife edge and the lower knife edge, and the steps are repeated.
The arrangement of the U-shaped push-pull frame is adopted, so that the cam can rotate in the U-shaped push-pull frame, and the reciprocating motion of the U-shaped push-pull frame is not in conflict with the rotating motion of the cam.
The cam is arranged for pushing the lower knife edge to move rightwards on one hand, and limiting the position of the lower knife edge to move leftwards on the other hand, and the maximum position of the leftward movement of the lower knife edge can only be the position of the cam.
Adopt the utility model discloses carry out the pin and cut off, the pin cuts off the back size uniformity better, the incision parallel and level. The labor intensity of workers is reduced, the production efficiency is improved, and the operation is convenient. By utilizing the knife edge die, different dies can be replaced for different product models, the flexibility is higher, and the dependence on the manipulation skill of workers is reduced.
The working process of the rectifier bridge pin cutting device is specifically as follows:
(1) and pressing a power switch of the motor to start the motor. At the moment, the lower edge of the die is driven by the motor to do reciprocating linear motion;
(2) the QL12B rectifier bridge lead wire was inserted into the upper slot (first rectangular hole). Until the bottom surface of the rectifier bridge is completely attached to the upper knife edge surface;
(3) and after the lower tool opening reciprocates, cutting off the pin, and then pulling out the product.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188524.2U CN210450737U (en) | 2019-07-25 | 2019-07-25 | A rectifier bridge pin cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188524.2U CN210450737U (en) | 2019-07-25 | 2019-07-25 | A rectifier bridge pin cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210450737U true CN210450737U (en) | 2020-05-05 |
Family
ID=70447861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921188524.2U Expired - Fee Related CN210450737U (en) | 2019-07-25 | 2019-07-25 | A rectifier bridge pin cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210450737U (en) |
-
2019
- 2019-07-25 CN CN201921188524.2U patent/CN210450737U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231214 Address after: Room 103, Building 35, Design Guigu C, No. 43 Taizhou Road, Dongguan Street, Guangling District, Yangzhou City, Jiangsu Province, 225000 Patentee after: Zhonglai Video Culture Development (Jiangsu) Co.,Ltd. Address before: 6 Nantong West Road, Guangling District, Yangzhou City, Jiangsu Province 225000 Patentee before: YANGZHOU FOUR LING ELECTRONICS Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 |