CN214395544U - Toggle driving mechanism of punch press - Google Patents
Toggle driving mechanism of punch press Download PDFInfo
- Publication number
- CN214395544U CN214395544U CN202023347751.0U CN202023347751U CN214395544U CN 214395544 U CN214395544 U CN 214395544U CN 202023347751 U CN202023347751 U CN 202023347751U CN 214395544 U CN214395544 U CN 214395544U
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- connecting rod
- sliding block
- rotatably connected
- punch press
- driving mechanism
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Abstract
The utility model discloses a toggle driving mechanism of a punch press, which comprises a gear, a crankshaft, a main connecting rod, a slider, two guide pillars which are symmetrically arranged at two sides of the slider and two groups of transmission units which are symmetrically arranged at two sides of the slider and are used for driving the guide pillars to move up and down, the gear is fixedly connected with the crankshaft, the lower end of the main connecting rod is rotatably connected with the crankshaft, the upper end of the main connecting rod is rotatably connected with the slider, the slider is in up-and-down sliding fit with a frame of the punch press, the transmission units are rotatably connected with the slider, the upper end of the guide pillars is rotatably connected with the transmission units at the corresponding sides, and the lower ends of the guide pillars are fixedly connected with a punching slider of the punch press; the toggle driving mechanism has the advantages that the two transmission units are connected together through the sliding blocks, so that the whole device is compact in structure and suitable for a small-table-board punch press, and compared with the traditional device, the device cancels a crankshaft and a pair of meshing gears, ensures the phase difference, namely ensures the synchronism of two guide pillars, enables the table board of the punch press to be uniformly stressed in the pressing process, and improves the punching precision.
Description
Technical Field
The utility model relates to a mechanical press equipment field especially relates to a toggle actuating mechanism of punch press.
Background
With the vigorous development of the automobile industry, the demand of precision stamping parts is increasing continuously. The corresponding toggle type mechanical press is also in increasing demand. The traditional double-point toggle transmission structure comprises two toggle link mechanisms which are meshed and connected through a pair of gears. This results in a large drive mechanism size, which is in conflict with the small table top requirement of the general requirements. In order to meet the requirement of the lower table-board press, the double-point toggle type transmission structure is divided into three sections and is connected through gear engagement, so that the requirement on phase difference is high, and the assembly and adjustment process is complex.
Disclosure of Invention
The utility model aims to solve the technical problem that a toggle driving mechanism of punch press is provided, it links together two connecting rod drive mechanisms through the slider, can not only guarantee the phase difference, compact structure moreover.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a toggle driving mechanism of a punch comprises a gear, a crankshaft, a main connecting rod, a sliding block, two guide pillars symmetrically arranged on two sides of the sliding block and two groups of transmission units symmetrically arranged on two sides of the sliding block and used for driving the guide pillars to move up and down, wherein the gear is fixedly connected with the crankshaft, the lower end of the main connecting rod is rotatably connected with the crankshaft, the upper end of the main connecting rod is rotatably connected with the sliding block, the sliding block is in vertical sliding fit with a rack of the punch, the transmission units are rotatably connected with the sliding block, the upper end of the guide pillars is rotatably connected with the transmission units on the corresponding side, and the lower end of each guide pillar is fixedly connected with a punching sliding block of the punch.
Preferably, the sliding block is provided with a first through hole, a first cylindrical pin is arranged in the first through hole, and the upper end of the main connecting rod is rotatably connected with the sliding block through the first cylindrical pin.
Preferably, the transmission unit comprises an upper connecting rod, a middle connecting rod, a lower connecting rod, a connecting shaft and a fixed shaft, the fixed shaft is fixed with a frame of the punch press, the upper end of the upper connecting rod is rotatably connected with the sliding block, one end of the middle connecting rod is rotatably connected with the fixed shaft, the lower end of the lower connecting rod is rotatably connected with the guide post, and the lower end of the upper connecting rod, the other end of the middle connecting rod and the upper end of the lower connecting rod are rotatably connected with the connecting shaft.
Preferably, the slide block is provided with a second through hole, a second cylindrical pin is arranged in the second through hole, and the upper end of the upper connecting rod is rotatably connected with the slide block through the second cylindrical pin.
Preferably, the guide pillar is provided with a third through hole, a third cylindrical pin is arranged in the third through hole, and the lower end of the lower connecting rod is fixedly connected with the guide pillar through the third cylindrical pin.
Preferably, the sliding block is provided with a plurality of guide rails, and the sliding block is in sliding fit with the frame of the punch through the guide rails.
Compared with the prior art, the utility model has the advantages that the toggle driving mechanism connects the two transmission units together through the sliding block, so that the whole device has compact structure and is suitable for a small-table punch; compared with the traditional device, the device cancels a crankshaft and a pair of meshing gears, ensures the phase difference, namely ensures the synchronism of two guide pillars, ensures the uniform stress of the table top of the punch in the pressing process, and improves the punching precision.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a front view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1-2, a toggle driving mechanism of a punching machine comprises a gear 1, a crankshaft 2, a main connecting rod 3 and a sliding block 4, two guide posts 5 symmetrically arranged at two sides of the sliding block 4 and two sets of transmission units symmetrically arranged at two sides of the sliding block 4 and used for driving the guide posts 5 to move up and down, the gear 1 is fixedly connected with the crankshaft 2, the lower end of the main connecting rod 3 is rotatably connected with the crankshaft 2, the sliding block 4 is provided with a plurality of guide rails 45, the guide rails 45 are in up-and-down sliding fit with a frame of the punching machine, the sliding block 4 is provided with a first through hole, a first cylindrical pin 42 is arranged in the first through hole, the upper end of the main connecting rod 3 is rotatably connected with the sliding block 4 through the first cylindrical pin 42, the transmission units comprise an upper connecting rod 61, a middle connecting rod 62, a lower connecting rod 63, a connecting shaft 64 and a fixed shaft 65, the fixed shaft 65 is fixed with the frame of the punching machine, the sliding block 4 is provided with a second through hole, a second cylindrical pin 44 is arranged in the second through hole, the upper end of the upper connecting rod 61 is rotatably connected with the sliding block 4 through the second cylindrical pin 44, a third through hole is formed in the guide pillar 5, a third cylindrical pin 52 is arranged in the third through hole, the lower end of the lower connecting rod 62 is rotatably connected with the upper end of the guide pillar 5 through the third cylindrical pin 52, so that the upper end of the guide pillar 5 is rotatably connected with the transmission unit on the corresponding side, the lower ends of the guide pillars 5 are fixedly connected with the stamping sliding block of the punch press, the lower end of the lower connecting rod 62 is fixedly connected with the third cylindrical pin 52, and the lower end of the upper connecting rod 61, the other end of the middle connecting rod 62 and the upper end of the lower connecting rod 63 are rotatably connected with the connecting shaft 64.
The utility model discloses toggle actuating mechanism's working process as follows: the gear 1 drives the crankshaft 2 to rotate, the crankshaft 2 drives the sliding block 4 to move up and down through the main connecting rod 3, the sliding block 4 drives the guide pillars 5 on two sides to synchronously move up and down through the transmission units on two sides, and then the sliding block of the punching machine is driven to move down through the guide pillars 5 to perform punching processing of punching.
The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.
Claims (6)
1. A toggle driving mechanism of a punch press is characterized in that: the punching machine comprises a gear, a crankshaft, a main connecting rod, a sliding block, two guide pillars symmetrically arranged on two sides of the sliding block and two groups of transmission units symmetrically arranged on two sides of the sliding block and used for driving the guide pillars to move up and down, wherein the gear is fixedly connected with the crankshaft, the lower end of the main connecting rod is rotatably connected with the crankshaft, the upper end of the main connecting rod is rotatably connected with the sliding block, the sliding block is in vertical sliding fit with a rack of a punching machine, the transmission units are rotatably connected with the sliding block, the upper end of each guide pillar is rotatably connected with the transmission unit on the corresponding side, and the lower end of each guide pillar is fixedly connected with a punching sliding block of the punching machine.
2. A wrist driving mechanism for a punch press according to claim 1, wherein: the sliding block is provided with a first through hole, a first cylindrical pin is arranged in the first through hole, and the upper end of the main connecting rod is rotatably connected with the sliding block through the first cylindrical pin.
3. A wrist driving mechanism for a punch press according to claim 1, wherein: the transmission unit comprises an upper connecting rod, a middle connecting rod, a lower connecting rod, a connecting shaft and a fixed shaft, the fixed shaft is fixed with a frame of the punch press, the upper end of the upper connecting rod is rotatably connected with the sliding block, one end of the middle connecting rod is rotatably connected with the fixed shaft, the lower end of the lower connecting rod is rotatably connected with the guide pillar, and the lower end of the upper connecting rod, the other end of the middle connecting rod and the upper end of the lower connecting rod are rotatably connected with the connecting shaft.
4. A wrist driving mechanism for a punch press according to claim 3, wherein: the sliding block is provided with a second through hole, a second cylindrical pin is arranged in the second through hole, and the upper end of the upper connecting rod is rotatably connected with the sliding block through the second cylindrical pin.
5. A wrist driving mechanism for a punch press according to claim 3, wherein: the guide post is provided with a third through hole, a third cylindrical pin is arranged in the third through hole, and the lower end of the lower connecting rod is fixedly connected with the guide post through the third cylindrical pin.
6. A wrist driving mechanism for a punch press according to claim 1, wherein: the sliding block is provided with a plurality of guide rails, and the sliding block is in up-and-down sliding fit with the frame of the punch through the guide rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023347751.0U CN214395544U (en) | 2020-12-31 | 2020-12-31 | Toggle driving mechanism of punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023347751.0U CN214395544U (en) | 2020-12-31 | 2020-12-31 | Toggle driving mechanism of punch press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214395544U true CN214395544U (en) | 2021-10-15 |
Family
ID=78043867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023347751.0U Active CN214395544U (en) | 2020-12-31 | 2020-12-31 | Toggle driving mechanism of punch press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214395544U (en) |
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2020
- 2020-12-31 CN CN202023347751.0U patent/CN214395544U/en active Active
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