CN216373483U - Cam driving type guide mechanism of punch press - Google Patents
Cam driving type guide mechanism of punch press Download PDFInfo
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- CN216373483U CN216373483U CN202122866957.2U CN202122866957U CN216373483U CN 216373483 U CN216373483 U CN 216373483U CN 202122866957 U CN202122866957 U CN 202122866957U CN 216373483 U CN216373483 U CN 216373483U
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- cam
- roller
- roller assembly
- guide
- punch press
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Abstract
A cam-driven guide mechanism for a punch press, comprising: drive shaft, cam, last roller subassembly, lower roller subassembly, go up guide pin bushing and lower guide pin bushing, the drive shaft is arranged along the fore-and-aft direction, and the cam forms fixedly with the drive shaft, goes up roller subassembly and roller subassembly down and all contacts with the cam to go up roller subassembly and roller subassembly down and follow upper and lower direction alternate segregation, its characterized in that: go up the guide pin bushing and go up roller assembly cooperation in order to guide the removal of roller assembly along upper and lower direction, lower guide pin bushing and roller assembly cooperation down in order to guide roller assembly along the removal of upper and lower direction down, guiding mechanism still includes: the connecting plate, upper roller subassembly and lower roller subassembly all form fixedly with the connecting plate. Because go up the guide pin bushing and guide pin bushing down respectively to go up roller subassembly and roller subassembly down and lead, consequently go up roller subassembly and roller subassembly down's size need not unify, reduced the manufacturing degree of difficulty.
Description
Technical Field
The utility model relates to the field of punching machines, in particular to a cam driving type guide mechanism of a punching machine.
Background
In the production of the punch press, namely the stamping press, the stamping process has the advantages of material and energy conservation, high efficiency, low technical requirement on operators and capability of manufacturing products which cannot be achieved by mechanical processing through various die applications compared with the traditional mechanical processing, so that the punch press is more and more widely used.
Some punching machines drive the sliding block to move up and down through the cam, so that punching operation is realized. Specifically, a drive shaft is connected to a motor, a cam is fixed to the drive shaft, a roller is provided below the cam, the roller is rotatably provided on a roller holder, and the roller holder is connected to a slider. The driving shaft drives the cam to rotate through the motor, the roller is in contact with the cam and moves up and down along with the rotation of the cam, and therefore the sliding block is driven to move up and down.
In order to ensure the stability of the up-and-down movement of the sliding block, the existing punching machine is provided with a structure for guiding an upper point and a lower point. The utility model discloses a cam drive mechanism of flexible punch press as chinese utility model patent CN205651683U, it is provided with upper roller support frame and lower roller seat bracket, and upper roller support frame and lower roller seat bracket all set up on a connection guide pillar to realize two guide effect.
However, the connecting guide post performs a guiding function with the upper roller support bracket and the lower roller seat bracket at the same time, so that the inner diameters of the upper roller support bracket and the lower roller seat bracket are required to be equal (i.e. both are required to be matched with the outer diameter of the connecting guide post), and the manufacturing requirement is high. In addition, in order to avoid interference between the connecting guide post and the rotation track of the cam, the connecting guide post must be disposed at a position away from the cam, which is not favorable for miniaturization of the press.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a cam-driven guide mechanism for a punch press, the guide mechanism including: the guide mechanism comprises a driving shaft, a cam, an upper roller assembly, a lower roller assembly, an upper guide sleeve and a lower guide sleeve, wherein the driving shaft is arranged along the front-back direction, the cam and the driving shaft form a fixed structure, the upper roller assembly and the lower roller assembly are both in contact with the cam, the upper roller assembly and the lower roller assembly are separated from each other along the up-down direction, the upper guide sleeve is matched with the upper roller assembly to guide the upper roller assembly to move along the up-down direction, the lower guide sleeve is matched with the lower roller assembly to guide the lower roller assembly to move along the up-down direction, and the guide mechanism further comprises: and the upper roller assembly and the lower roller assembly are fixedly connected with the connecting plate. The upper guide sleeve and the lower guide sleeve are arranged to respectively play a role in guiding the up-and-down movement of the upper roller assembly and the lower roller assembly, and the connecting plate is arranged to enable the up-and-down movement of the upper roller assembly and the lower roller assembly to be synchronous, so that two-point guiding is realized.
Further, the projections of the motion tracks of the connecting plate and the cam along the front-back direction are mutually overlapped. Therefore, the connecting plate can be prevented from occupying other spaces of the punch press too much, and the miniaturization of the punch press is facilitated.
Further, the connecting plate is provided with an air avoiding opening, and the motion track of the cam passes through the air avoiding opening of the connecting plate. Set up the avoidance opening and can avoid taking place to interfere between connecting plate and the cam again when increasing the connecting plate width, improve the fastness between connecting plate and the last roller assembly and between connecting plate and the lower roller assembly.
Furthermore, the number of the connecting plates is two, and the two connecting plates are separated from each other along the left-right direction. Two-point positioning can be realized by arranging the two connecting plates, and the synchronous stability of the upper roller assembly and the lower roller assembly is ensured.
Further, the upper roller assembly includes: the upper roller shaft and the upper roller seat are fixed, the upper roller is rotatably arranged on the upper roller shaft, the upper guide sleeve is matched with the upper roller seat, and the upper roller is contacted with the cam. The upper roller is driven by the cam to rotate around the upper roller shaft correspondingly, and the upper roller seat is driven to move up and down.
Furthermore, the upper roller seat is provided with an upper guide rod and an upper bracket, the upper roller shaft and the upper bracket are fixed, and the upper guide sleeve is matched with the upper guide rod. The upper guide rod moves up and down under the guiding action of the upper guide sleeve.
Further, the upper roller assembly further comprises: and the upper bearing is positioned between the upper roller shaft and the upper roller. The smoothness of the rotation of the upper roller can be improved by arranging the upper bearing.
Further, the lower roller assembly includes: the lower roller shaft and the lower roller seat are fixed, the lower roller is rotatably arranged on the lower roller shaft, the lower guide sleeve is matched with the lower roller seat, and the lower roller is in contact with the cam. The lower roller is driven by the cam to rotate around the lower roller shaft correspondingly, and the lower roller seat is driven to move up and down.
Furthermore, the lower roller seat is provided with a lower guide rod and an upper bracket, the lower roller shaft and the upper bracket are fixed, and the lower guide sleeve is matched with the lower guide rod. The lower guide rod moves up and down under the guiding action of the lower guide sleeve.
Further, the lower roller assembly further comprises: and the lower bearing is positioned between the lower roller shaft and the lower roller. The lower bearing is arranged to improve the smoothness of the rotation of the lower roller.
The cam-driven guide mechanism of the utility model has the following advantages:
1. the upper roller assembly and the lower roller assembly move synchronously through the connecting plate, and the upper roller assembly and the lower roller assembly are provided with guide structures, so that the two-point guide effect is achieved on the up-and-down movement of the punch press sliding block, and the punching effect is more stable.
2. Because go up the guide pin bushing and guide pin bushing down respectively to go up roller subassembly and roller subassembly down and lead, consequently go up roller subassembly and roller subassembly down's size need not unify, reduced the manufacturing degree of difficulty.
Drawings
FIG. 1 is a schematic view of a guide mechanism according to the present invention;
FIG. 2 is a vertical cross-sectional view of an upper roller assembly to which the present invention relates;
fig. 3 is a vertical sectional view of a lower roller assembly to which the present invention relates.
Detailed Description
It is specifically noted that, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise; the meaning of "several" is at least one. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative positional relationship between the components, the movement, and the like in a certain posture, and if the certain posture is changed, the directional indicator is changed accordingly.
The technical solution of the present invention is further described by the following examples:
the utility model provides a cam driving type guide mechanism of a punch press, as shown in figure 1, the guide mechanism comprises: the guide mechanism comprises a driving shaft 1, a cam 2, an upper roller assembly 3, a lower roller assembly 4, an upper guide sleeve 5 and a lower guide sleeve 6, wherein the driving shaft 1 is arranged along the front-back direction, the cam 2 and the driving shaft 1 are fixed, the upper roller assembly 3 and the lower roller assembly 4 are both contacted with the cam 2, and the upper roller assembly 3 and the lower roller assembly 4 are separated from each other along the up-down direction, in the guide mechanism, the upper guide sleeve 5 is matched with the upper roller assembly 3 to guide the upper roller assembly 3 to move along the up-down direction, the lower guide sleeve 6 is matched with the lower roller assembly 4 to guide the lower roller assembly 4 to move along the up-down direction, and the guide mechanism further comprises: the connecting plate 7, the upper roller assembly 3 and the lower roller assembly 4 are all fixedly connected with the connecting plate 7.
Wherein, the driving shaft 1 is connected with a motor of a machine tool, and the lower roller component 4 is connected with a slide block of a punch press. When the punch press works, the motor drives the shaft 1 to rotate, so as to drive the cam 2 to rotate, the upper roller assembly 3 and the lower roller assembly 4 which are in contact with the cam 2 move up and down along with the rotation, and the sliding block moves up and down. The upper guide sleeve 5 and the lower guide sleeve 6 are arranged to respectively guide the up-and-down movement of the upper roller assembly 3 and the lower roller assembly 4, and the connecting plate 7 is arranged to enable the up-and-down movement of the upper roller assembly 3 and the lower roller assembly 4 to be synchronous, so that two-point guiding is realized.
Specifically, projections of the connecting plate 7 and the movement locus of the cam 2 in the front-rear direction overlap each other. Therefore, the connecting plate 7 can be prevented from occupying other spaces of the punch press too much, and the miniaturization of the punch press is facilitated.
More specifically, the connecting plate 7 has a clearance 70, and the movement locus of the cam 2 passes through the clearance 70 of the connecting plate 7. The gap 70 can increase the width of the connecting plate 7 and prevent the connecting plate 7 and the cam 2 from interfering with each other, thereby improving the firmness between the connecting plate 7 and the upper roller assembly 3 and between the connecting plate 7 and the lower roller assembly 4.
More specifically, the connecting plates 7 are two, and the two connecting plates 7 are separated from each other in the left-right direction. The two connecting plates 7 are arranged to realize two-point positioning, and ensure the synchronous stability of the upper roller assembly 3 and the lower roller assembly 4.
Specifically, as shown in fig. 2, the upper roller assembly 3 includes: the upper roller seat 31, the upper roller shaft 32 and the upper roller 33, the upper roller shaft 32 and the upper roller seat 31 are fixedly formed, the upper roller 33 is rotatably arranged on the upper roller shaft 32, the upper guide sleeve 5 is matched with the upper roller seat 31, and the upper roller 33 is contacted with the cam 2. The upper roller 33 is driven by the cam 2 to rotate around the upper roller shaft 32 correspondingly, and the upper roller seat 31 is driven to move up and down.
More specifically, the upper roller base 31 has an upper guide bar 311 and an upper bracket 312, the upper roller shaft 32 is fixed to the upper bracket 312, and the upper guide sleeve 5 is engaged with the upper guide bar 311. The upper guide rod 311 moves up and down under the guiding action of the upper guide sleeve 5.
More specifically, the upper roller assembly 3 further comprises: and an upper bearing 34, wherein the upper bearing 34 is positioned between the upper roller shaft 32 and the upper roller 33. The upper bearing 34 can improve the smoothness of the rotation of the upper roller 33.
Specifically, as shown in fig. 3, the lower roller assembly 4 includes: the lower roller seat 41, the lower roller shaft 42 and the lower roller 43, the lower roller shaft 42 and the lower roller seat 41 are fixedly formed, the lower roller 43 is rotatably arranged on the lower roller shaft 42, the lower guide sleeve 6 is matched with the lower roller seat 41, and the lower roller 43 is in contact with the cam 2. The lower roller 43 is driven by the cam 2 to rotate around the lower roller shaft 42 correspondingly, and the lower roller seat 41 is driven to move up and down.
More specifically, the lower roller base 41 has a lower guide bar 411 and an upper bracket 412, the lower roller shaft 42 is fixed to the upper bracket 412, and the lower guide 6 is engaged with the lower guide bar 411. The lower guide rod 411 moves up and down under the guiding action of the lower guide sleeve 6.
More specifically, the lower roller assembly 3 further comprises: and a lower bearing 44, wherein the lower bearing 44 is positioned between the lower roller shaft 42 and the lower roller 43. The lower bearing 44 is provided to improve the smoothness of the rotation of the lower roller 43.
The above-described embodiments are merely preferred examples of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles of the utility model described in the claims should be included in the claims.
Claims (10)
1. A cam-driven guide mechanism for a punch press, the guide mechanism comprising: the roller assembly, go up roller assembly, roller assembly down, go up guide pin bushing and guide pin bushing down, the drive shaft is arranged along fore-and-aft direction, the cam forms fixedly with the drive shaft, go up roller assembly and roller assembly down and all contact with the cam to go up roller assembly and roller assembly down and separate each other along upper and lower direction, its characterized in that: the upper guide sleeve is matched with the upper roller assembly to guide the upper roller assembly to move along the up-down direction, the lower guide sleeve is matched with the lower roller assembly to guide the lower roller assembly to move along the up-down direction, and the guide mechanism further comprises: and the upper roller assembly and the lower roller assembly are fixedly connected with the connecting plate.
2. The cam-driven guiding mechanism of a punch press according to claim 1, wherein: the projections of the motion tracks of the connecting plate and the cam along the front and back directions are mutually overlapped.
3. The cam-driven guiding mechanism of a punch press according to claim 2, wherein: the connecting plate is provided with an air avoiding opening, and the motion track of the cam passes through the air avoiding opening of the connecting plate.
4. The cam-driven guiding mechanism of a punch press according to claim 3, wherein: the connecting plates are two, and the two connecting plates are mutually separated along the left and right directions.
5. The cam-driven guiding mechanism of a punch press according to claim 1, wherein: the upper roller assembly includes: the upper roller shaft and the upper roller seat are fixed, the upper roller is rotatably arranged on the upper roller shaft, the upper guide sleeve is matched with the upper roller seat, and the upper roller is contacted with the cam.
6. The cam-driven guiding mechanism of a punch press according to claim 5, wherein: the upper roller seat is provided with an upper guide rod and an upper bracket, the upper roller shaft and the upper bracket are fixed, and the upper guide sleeve is matched with the upper guide rod.
7. The cam-driven guiding mechanism of a punch press according to claim 5, wherein: the upper roller assembly further comprises: and the upper bearing is positioned between the upper roller shaft and the upper roller.
8. The cam-driven guiding mechanism of a punch press according to claim 1, wherein: the lower roller assembly includes: the lower roller shaft and the lower roller seat are fixed, the lower roller is rotatably arranged on the lower roller shaft, the lower guide sleeve is matched with the lower roller seat, and the lower roller is in contact with the cam.
9. The cam-driven guiding mechanism of a punch press according to claim 8, wherein: the lower roller seat is provided with a lower guide rod and an upper bracket, the lower roller shaft and the upper bracket are fixed, and the lower guide sleeve is matched with the lower guide rod.
10. The cam-driven guiding mechanism of a punch press according to claim 8, wherein: the lower roller assembly further comprises: and the lower bearing is positioned between the lower roller shaft and the lower roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122866957.2U CN216373483U (en) | 2021-11-22 | 2021-11-22 | Cam driving type guide mechanism of punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122866957.2U CN216373483U (en) | 2021-11-22 | 2021-11-22 | Cam driving type guide mechanism of punch press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216373483U true CN216373483U (en) | 2022-04-26 |
Family
ID=81217665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122866957.2U Active CN216373483U (en) | 2021-11-22 | 2021-11-22 | Cam driving type guide mechanism of punch press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216373483U (en) |
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2021
- 2021-11-22 CN CN202122866957.2U patent/CN216373483U/en active Active
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