CN216881300U

CN216881300U - Tapered wedge punching mechanism

Info

Publication number: CN216881300U
Application number: CN202123360477.5U
Authority: CN
Inventors: 王罗松
Original assignee: Zhejiang Huangyan Die Co ltd
Current assignee: Zhejiang Huangyan Die Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-05
Anticipated expiration: 2031-12-27

Abstract

The utility model belongs to the technical field of dies, and particularly relates to a tapered wedge punching mechanism; the lower end of the upper sliding block comprises a first inclined surface and a second inclined surface which are arranged at an included angle, the first inclined surface is connected with the lower driving block in a sliding mode, a first punch is arranged on the upper portion of the second inclined surface, the lower portion of the second inclined surface is connected with the lower sliding block in a sliding mode, a second punch is arranged on the outer side surface of the lower sliding block, the first punch and the second punch are arranged axially at the included angle, the lower driving block drives the upper sliding block and the first punch to move towards the punching direction, and the upper sliding block drives the lower sliding block and the second punch to move towards the punching direction; the lower driving block drives the upper sliding block to move to realize the punching of the hole with the first angle, the upper sliding block drives the lower sliding block to move to realize the punching of the hole with the second angle, the punching of the hole with two angles of one wedge is realized, the structure is compact, the punching efficiency is high, and the die cost is reduced.

Description

Tapered wedge punching mechanism

The technical field is as follows:

the utility model belongs to the technical field of dies, and particularly relates to a tapered wedge punching mechanism.

Background art:

the inclined wedge mechanism is a mechanical mechanism which changes vertical motion into horizontal motion or inclined motion by the matching use of the inclined wedge and the sliding block. At present, the inclined wedge punching mechanism can only meet the punching of one angle. When the hole of two angles need to be punched, then need set up two slide wedge mechanisms and carry out the punching press, lead to the structure complicacy, the inefficiency that punches a hole, the mould is with high costs.

The utility model content is as follows:

the utility model aims to provide a wedge punching mechanism which can realize punching of holes with two angles through one wedge.

The utility model is realized by the following steps:

the utility model provides a slide wedge mechanism of punching a hole, includes an upper sliding block, the lower extreme of upper sliding block includes two first inclined planes, the second inclined plane that is the contained angle setting, first inclined plane and lower drive block sliding connection are provided with first drift on the upper portion on second inclined plane, and lower part and lower slider sliding connection on second inclined plane are provided with the second drift on the lateral surface of lower slider, and the axial of first drift, second drift is the contained angle setting, drive block drive upper sliding block, first drift orientation remove that punches a hole down, and the upper sliding block drive slider, second drift orientation remove that punches a hole down.

In the above-mentioned wedge punching mechanism, the lower driving block is provided with a third inclined plane parallel to the first inclined plane, and the third inclined plane and the first inclined plane are connected in a sliding manner through a first V-shaped guide plate to realize the sliding connection between the lower driving block and the upper slide block.

In the above wedge punching mechanism, the first guide plates are respectively arranged on the third inclined plane and on two sides of the first V-shaped guide plate.

In the above-mentioned slide wedge mechanism of punching a hole, be provided with the boss respectively on the left and right sides wall of lower drive block, be provided with respectively on the left and right sides wall of upper sliding block and force the return stroke hook, the upper end of forcing the return stroke hook sets firmly and is connected with the boss at the upper and lower end of the lateral wall of upper sliding block.

In the above-mentioned wedge punching mechanism, a fourth inclined plane parallel to the second inclined plane is provided on the lower slider, a second guide plate is provided on the fourth inclined plane, and the second inclined plane is slidably connected to the second guide plate.

In the wedge punching mechanism, the lower slider is connected with the lower die holder in a sliding manner through the second V-shaped guide plate.

In the wedge punching mechanism, the lower die base is provided with the nitrogen cylinder, one end of the nitrogen cylinder is arranged on the nitrogen cylinder fixing block, the other end of the nitrogen cylinder is arranged on the lower sliding block, and the nitrogen cylinder fixing block is arranged on the lower die base.

In the above-mentioned wedge punching mechanism, an included angle formed by the upper plane of the upper slider and the first inclined plane is a first punching angle, and the first punching angle is greater than 45 °.

In the above-mentioned wedge punching mechanism, the first punching angle is 50 to 55 °.

In the above-mentioned wedge punching mechanism, an included angle formed by the fourth inclined plane of the lower slider and the bottom surface of the lower slider is a second punching angle, and the second punching angle is greater than 45 °.

In the above-mentioned wedge punching mechanism, the second punching angle is 50 to 55 °.

Compared with the prior art, the utility model has the outstanding advantages that:

1. the upper slide block is driven by the lower driving block to move to realize the punching of a hole at a first angle, the upper slide block is driven by the upper drive block to move to realize the punching of a hole at a second angle, the punching of holes at two angles of one wedge is realized, the structure is compact, the punching efficiency is high, and the die cost is reduced;

2. according to the utility model, the upper sliding block and the lower driving block are guided through the first V-shaped guide plate, and the lower sliding block and the lower die holder are guided through the second V-shaped guide plate, so that the guiding precision can be increased;

3. the forced return hook is arranged on the upper sliding block, and when the nitrogen cylinder is damaged and cannot push the upper sliding block to return, the nitrogen cylinder can return through the forced return hook;

4. the first stamping angle and the second stamping angle of the utility model are controlled to be more than 45 degrees, generally controlled to be 50-55 degrees, and the stress point and the pushing are better at the moment.

Description of the drawings:

FIG. 1 is one of the perspective views of the present invention;

fig. 2 is a second perspective view of the present invention.

In the figure: 1. an upper slide block; 2. a first inclined plane; 3. a second inclined surface; 4. a lower drive block; 5. a first punch; 6. a lower slide block; 7. a second punch; 8. a third bevel; 9. a first V-shaped guide plate; 10. a first guide plate; 11. a forced return hook; 12. an upper guide plate; 13. a side guide plate; 14. a limiting block; 15. a fourth slope; 16. A second guide plate; 17. a second V-shaped guide plate; 18. a nitrogen cylinder; 19. nitrogen cylinder fixed block.

The specific implementation mode is as follows:

the utility model will now be further described by way of specific examples, with reference to FIGS. 1-2:

the utility model provides a slide wedge mechanism of punching a hole, includes an upper sliding block 1, the lower extreme of upper sliding block 1 includes two first inclined plane 2, the second inclined plane 3 that are the contained angle setting, first inclined plane 2 and 4 sliding connection of lower drive block are provided with first drift 5 on the upper portion on second inclined plane 3, and lower part and lower slider 6 sliding connection on second inclined plane 3 are provided with second drift 7 on the lateral surface of lower slider 6, and the axial of first drift 5, second drift 6 is the contained angle setting, drive block 4 drive upper sliding block 1 down, first drift 5 remove towards the direction of punching a hole, and upper sliding block 1 drive slider 6, second drift 7 remove towards the direction of punching a hole down.

The working principle of the utility model is as follows:

the upper slide block 1 is driven by the lower driving block 4 to realize punching in a first punching direction, namely, punching by the first punch 5. During the movement, the contact pushes the lower slide block 6 to move to realize punching in the second punching direction, namely, the second punch 7 punches the hole.

According to the utility model, the lower sliding block 6 is added on the basis of the upper sliding block 1, the punching direction is changed through the lower sliding block 6, and the punching of holes with two angles is realized, namely, a wedge is used for punching holes in two directions.

Further, a third inclined surface 8 arranged in parallel with the first inclined surface 2 is arranged on the lower driving block 4, and the third inclined surface 8 and the first inclined surface 2 are in sliding connection through a first V-shaped guide plate 9 to realize the sliding connection between the lower driving block 4 and the upper sliding block 1. The arrangement of the first V-shaped guide plate 9 can increase the guiding precision.

In order to reduce friction, first guide plates 10 are respectively arranged on the third inclined surface 8 and positioned on two sides of the first V-shaped guide plate 9.

The resetting of the upper sliding block 1 is realized by a nitrogen cylinder. Two ends of the nitrogen cylinder are respectively connected to the upper sliding block 1 and the nitrogen cylinder fixing block. The nitrogen cylinder fixing block is fixedly arranged on the upper die base. When the nitrogen cylinder is damaged and cannot push the upper sliding block 1 to return, the nitrogen cylinder can return through the forced return hook 11. Specifically, bosses are respectively arranged on the left side wall and the right side wall of the lower driving block 4, forced return hooks 11 are respectively arranged on the left side wall and the right side wall of the upper sliding block 1, and the upper ends of the forced return hooks 11 are fixedly arranged on the upper end and the lower end of the side wall of the upper sliding block 1 and connected with the bosses.

An upper guide plate 12 is arranged between the upper plane of an upper sliding block 1 and an upper die base, the upper guide plate 12 plays a role in sliding guide, and the installation requirement is as follows: the distribution is uniform and is below the stress point as much as possible. And the left side surface and the right side surface of the upper sliding block 1 are also provided with side guide plates 13.

In order to control the backward stroke of the upper sliding block 1, the upper die holder at the rear side of the upper sliding block 1 is provided with a limiting block 14.

In order to reduce friction force and enable sliding to be flexible, a fourth inclined surface 15 arranged in parallel with the second inclined surface 3 is arranged on the lower sliding block 6, a second guide plate 16 is arranged on the fourth inclined surface 15, and the second inclined surface 3 is connected with the second guide plate 16 in a sliding mode.

In order to improve the guiding precision, the lower sliding block 1 is connected with the lower die holder in a sliding mode through a second V-shaped guide plate 17.

As shown in fig. 1, a nitrogen cylinder 18 is arranged on the lower die holder, one end of the nitrogen cylinder 18 is arranged on a nitrogen cylinder fixing block 19, the other end of the nitrogen cylinder 18 is arranged on the lower slide block 6, and the nitrogen cylinder fixing block 19 is arranged on the lower die holder. When the acting force of the upper slide block 1 disappears, the lower slide block 6 is reset under the action of the nitrogen cylinder 18.

The utility model can realize the punching of holes with two angles because of certain requirements on punching angles. The included angle formed by the upper plane of the upper sliding block 1 and the first inclined plane 2 is a first stamping angle which is larger than 45 degrees and is generally 50-55 degrees. The angle formed by the fourth inclined surface 15 of the lower slider 6 and the bottom surface of the lower slider 6 is a second punching angle, which is greater than 45 degrees and is generally 50-55 degrees. At this time, the stress point and the push are good.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a slide wedge mechanism of punching a hole which characterized in that: including an upper sliding block (1), the lower extreme of upper sliding block (1) includes two first inclined plane (2), second inclined plane (3) that are the contained angle setting, first inclined plane (2) and lower drive block (4) sliding connection are provided with first drift (5) on the upper portion on second inclined plane (3), and lower slider (6) sliding connection is provided with second drift (7) on the lateral surface of lower slider (6), and the axial of first drift (5), second drift (7) is the contained angle setting, drive upper sliding block (1), first drift (5) orientation removal of punching a hole are driven in lower drive block (4), and upper sliding block (1) drive slider (6), second drift (7) orientation removal of punching a hole down.

2. The cam punching mechanism of claim 1, wherein: and a third inclined plane (8) arranged in parallel with the first inclined plane (2) is arranged on the lower driving block (4), and the third inclined plane (8) is connected with the first inclined plane (2) in a sliding manner through a first V-shaped guide plate (9) to realize the sliding connection between the lower driving block (4) and the upper sliding block (1).

3. The cam punching mechanism of claim 2, wherein: and first guide plates (10) are respectively arranged on the third inclined surface (8) and positioned at two sides of the first V-shaped guide plate (9).

4. A cam punching mechanism according to claim 2 or 3, wherein: bosses are respectively arranged on the left side wall and the right side wall of the lower driving block (4), forced return hooks (11) are respectively arranged on the left side wall and the right side wall of the upper sliding block (1), and the upper ends of the forced return hooks (11) are fixedly arranged on the upper end and the lower end of the side wall of the upper sliding block (1) and connected with the bosses.

5. The cam punching mechanism of claim 1, wherein: the lower sliding block (6) is provided with a fourth inclined surface (15) which is parallel to the second inclined surface (3), the fourth inclined surface (15) is provided with a second guide plate (16), and the second inclined surface (3) is in sliding connection with the second guide plate (16).

6. The cam punching mechanism of claim 5, wherein: the lower sliding block (6) is connected with the lower die holder in a sliding mode through a second V-shaped guide plate (17).

7. The cam punching mechanism of claim 6, wherein: the lower die base is provided with a nitrogen cylinder (18), one end of the nitrogen cylinder (18) is arranged on a nitrogen cylinder fixing block (19), the other end of the nitrogen cylinder (18) is arranged on the lower sliding block (6), and the nitrogen cylinder fixing block (19) is arranged on the lower die base.

8. The cam punching mechanism of claim 1, wherein: an included angle formed by the upper plane of the upper sliding block (1) and the first inclined plane (2) is a first stamping angle, and the first stamping angle is larger than 45 degrees; the first stamping angle is 50-55 deg.

9. The cam punching mechanism of claim 5, wherein: the included angle formed by the fourth inclined plane (15) of the lower sliding block (6) and the bottom surface of the lower sliding block (6) is a second stamping angle, and the second stamping angle is larger than 45 degrees.

10. The cam punching mechanism of claim 9, wherein: the second stamping angle is 50-55 deg.