CN216501839U - Punching device - Google Patents
Punching device Download PDFInfo
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- CN216501839U CN216501839U CN202122896626.3U CN202122896626U CN216501839U CN 216501839 U CN216501839 U CN 216501839U CN 202122896626 U CN202122896626 U CN 202122896626U CN 216501839 U CN216501839 U CN 216501839U
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- male die
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Abstract
A punching device comprises a female die, a first male die and a second male die which are arranged on two sides of the female die, a driving mechanism and a return mechanism, wherein the driving mechanism and the return mechanism can drive the first male die and the second male die simultaneously; a first convex die head is arranged on the first convex die, and a second convex die head is arranged on the second convex die; the female die is respectively provided with a first female die head and a second female die head; the first female die head faces the first male die head and is matched with the first male die head; the second female die head faces the second male die head and is matched with the second male die head; the driving mechanism can drive the first male die head and the second male die head to respectively and correspondingly move towards the direction close to the first female die head and the second female die head synchronously; the return mechanism can enable the first male die head and the second male die head to respectively and correspondingly move towards the direction far away from the first female die head and the second female die head synchronously. The utility model uses one power source to simultaneously drive two sets of punch-die dies to punch holes, thereby ensuring that the size of the mechanism is reduced while punching double holes, and being suitable for punching holes in smaller processing areas.
Description
Technical Field
The utility model belongs to the technical field of punching, and particularly relates to a punching device.
Background
When processing special-shaped components such as automobile chassis, because the processing area that spare part left is little, traditional mechanism of punching a hole can't process, especially when processing the otic placode position of automobile chassis, the area is minimum. In the prior art, a double-hole punching mechanism generally comprises two sets of driving mechanisms which respectively drive two sets of convex-concave dies, is large in size, cannot extend a punch into a machining area, and cannot meet machining requirements.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention aims to provide a punching apparatus with small volume and size, which can punch double holes simultaneously, and is particularly suitable for processing the ear plate part of the automobile chassis.
The technical scheme for solving the problems is as follows: a punching device comprises a female die, a first male die and a second male die which are arranged on two sides of the female die, a driving mechanism and a return mechanism, wherein the driving mechanism and the return mechanism can drive the first male die and the second male die simultaneously;
a first convex die head is arranged on the first convex die, and a second convex die head is arranged on the second convex die;
the female die is provided with a first female die head and a second female die head respectively;
the first female die head faces the first male die head and is matched with the first male die head;
the second female die head faces the second male die head and is matched with the second male die head;
the driving mechanism can drive the first male die head and the second male die head to respectively and correspondingly move towards the direction close to the first female die head and the second female die head synchronously;
the return mechanism can enable the first male die head and the second male die head to respectively and correspondingly move towards the direction far away from the first female die head and the second female die head synchronously.
The device further comprises a base, wherein the base comprises two side plates which are arranged in parallel, and a cavity is formed between the two side plates;
the rear end of the first male die is provided with a first inclined plane, and the rear end of the second male die is provided with a second inclined plane;
the driving mechanism comprises a push plate arranged between the two side plates, a power source for driving the push plate to move in the cavity in a parallel mode, and a first wedge block mechanism and a second wedge block mechanism which are fixedly connected with the push plate;
the first wedge block mechanism is provided with a first slope surface which can be abutted and attached with the first inclined surface, and the second wedge block mechanism is provided with a second slope surface which can be abutted and attached with the second inclined surface;
the first inclined surface can slide relative to the first slope surface, and the second inclined surface can slide relative to the second slope surface;
when the first wedge block mechanism and the second wedge block mechanism move forwards, the first convex die head moves towards the direction close to the first concave die head, and the second convex die head synchronously moves towards the direction close to the second concave die head.
Preferably, wear plates are arranged between the first inclined surface and the first sloping surface and between the second inclined surface and the second sloping surface.
Furthermore, guide posts are arranged between the two side plates and perpendicular to the two side plates, the guide posts penetrate through the first male die and the second male die, two ends of each guide post are connected with the two side plates respectively, and the first male die and the second male die can slide in the horizontal direction along the guide posts.
Further, the return mechanism comprises a first elastic part, a second elastic part and a baffle penetrating through the guide post, and the baffle is arranged between the first male die and the second male die;
one end of the first elastic piece is abutted with the baffle, and the other end of the first elastic piece is abutted with the first male die;
one end of the second elastic part is abutted with the baffle, and the other end of the second elastic part is abutted with the second male die.
Preferably, the first elastic member and the second elastic member are nitrogen springs.
Furthermore, the bottom of the female die is provided with a blanking cavity communicated with the first female die head and the second female die head, and the blanking cavity is connected with the negative pressure pipe.
Preferably, the first male die and the second male die are arranged in mirror symmetry with respect to the female die.
Further, the base also comprises a horizontal floating mechanism and a bottom plate fixedly connected with the lower ends of the two side plates;
the horizontal floating mechanism comprises a base, a linear slide rail arranged between the base and the bottom plate and a floating device;
the linear slide rail comprises a slide block fixedly connected with the bottom plate and a track fixedly connected with the base, the slide block can linearly and horizontally move along the track, and the moving direction of the slide block and the moving direction of the first male die are in the same direction;
the floating device comprises a support fixedly connected with the base, a connecting seat fixedly connected with the bottom plate, a connecting rod arranged in parallel with the moving direction of the first male die, a spring and a limiting screw rod; the connecting rod fixedly connects the support and the connecting seat; the spring is sleeved on the connecting rod, the free end of the connecting rod is provided with a stop, one end of the spring is abutted against the support, and the other end of the spring is abutted against the stop;
the limiting screw penetrates through the support, and one end of the limiting screw is close to the connecting seat and is spaced from the connecting seat.
Furthermore, the upper ends of the two side plates are provided with cover plates, position sensors are arranged on the cover plates corresponding to the regions of the first male die and the second male die, position sensing holes are respectively formed in the first male die and the second male die, and the position sensors are matched with the position sensing holes to perform limit control on the first male die and the second male die.
The utility model has the following remarkable effects: the two sets of punch-die are driven by one power source to punch holes simultaneously, so that the size of the mechanism is reduced while double holes are punched, the punching mechanism can adapt to punching of a smaller machining area, and the punching mechanism is particularly suitable for machining the lug plate part of the automobile chassis.
Drawings
The utility model will be further explained with reference to the drawings.
FIG. 1 is a schematic view of the overall structure of the punching apparatus of the present invention.
Fig. 2 is a schematic structural diagram of the punching device of the present invention with the cover plate removed.
Fig. 3 is a schematic side view of a punching apparatus according to the present invention.
FIG. 4 is a top view of the punching apparatus of the present invention.
Fig. 5 is a schematic structural diagram of a first male die and a second male die.
FIG. 6 is a schematic view of a first wedge mechanism and a second wedge mechanism.
Fig. 7 is a schematic view of the structure of the female mold.
FIG. 8 is a schematic view of the punching apparatus according to the present invention.
Fig. 9 is an enlarged view of a region to be machined of a part.
In the figure: 1-base, 2-die, 3-first die, 4-second die, 5-driving mechanism, 6-guide column, 7-baffle, 9-first elastic member, 10-second elastic member, 11-side plate, 12-negative pressure tube, 13-bottom plate, 14-base, 15-slide block, 16-track, 17-support, 18-connecting seat, 19-connecting rod, 20-spring, 21-first die head, 22-second die head, 23-blanking cavity, 24-limit screw, 25-stop, 26-cover plate, 27-position sensor, 28-position sensing hole, 29-ear plate, 30-wear-resisting plate, 31-first die head, 32-first bevel, 41-second die head, 42-second slope, 51-push plate, 52-power source, 53-first wedge mechanism, 54-second wedge mechanism, 55-first slope, 56-second slope, and 57-wedge.
Detailed Description
For convenience of description, the description of the relative positional relationship of the components (e.g., up, down, left, right, front, rear, etc.) is described with reference to the layout direction of the drawings in the specification, and does not limit the structure of the present patent.
As shown in fig. 1 to 7, a punching device includes a base 1, a female die 2, a first male die 3 and a second male die 4 disposed on both sides of the female die, a driving mechanism 5 capable of driving the first male die 3 and the second male die 4 simultaneously, and a return mechanism.
The first male die 3 is provided with a first male die head 31. And a second convex die head 41 is arranged on the second convex die 4.
The female die 2 is provided with a first female die head 21 and a second female die head 22 respectively.
The first female die 21 faces the first male die 31 and is paired with the first male die 31.
The second cavity die 22 faces the second boss die 41 and is paired with the second boss die 41.
The driving mechanism 5 can drive the first and second embossing dies 31 and 41 to respectively and synchronously move towards the first and second concave dies 21 and 22.
The return mechanism can move the first and second dies 31 and 41 respectively and correspondingly synchronously away from the first and second dies 21 and 22.
The first male die 3 and the second male die 4 are arranged in mirror symmetry with respect to the female die 2.
The base 1 comprises two side plates 11 arranged in parallel and a bottom plate 13 fixedly connected with the lower ends of the two side plates 11. A cavity is formed between the two side plates 11. A guide post 6 is arranged between the two side plates 11 and is vertical to the two side plates 11. The guide posts 6 are preferably provided in two. The guide post 6 penetrates through the first punch 3 and the second punch 4. Two ends of the guide post 6 are respectively connected with the two side plates 11. The first punch 3 and the second punch 4 are slidable in the horizontal direction along the guide 6.
The rear end of the first male die 3 is provided with a first inclined surface 32. The rear end of the second male die 4 is provided with a second inclined surface 42.
The driving mechanism 5 comprises a push plate 51 arranged between the two side plates 11, a power source 52 for driving the push plate 51 to move in a horizontal direction in the cavity, and a first wedge mechanism 53 and a second wedge mechanism 54 fixedly connected with the push plate 51. The power source 52 is shown preferably as a cylinder, the free end of which is connected to the push plate 51.
The first wedge mechanism 53 is provided with a first slope surface 55 which can abut against the first slope surface 32. And a second slope surface 56 which can be abutted and jointed with the second inclined surface 42 is arranged on the second wedge block mechanism 54.
The first inclined surface 32 is slidable relative to the first inclined surface 55. The second slope surface 42 can slide relative to the second slope surface 56. Wear plates 30 are disposed between first ramp surface 32 and first ramp surface 55, and between second ramp surface 42 and second ramp surface 56.
When the first wedge mechanism 53 and the second wedge mechanism 54 move forward, the first embossing die 31 moves closer to the first embossing die 21, and the second embossing die 41 moves closer to the second embossing die 22 simultaneously.
In a preferred embodiment, the first wedge mechanism 53 comprises two parallel wedges 57, and two first inclined surfaces 32 are respectively and correspondingly arranged at the rear end of the first male die 3 corresponding to the two wedges 57; similarly, the second wedge mechanism 54 has the same structural design as the first wedge mechanism 53, and the second punch 4 has the same structural design as the first punch 3.
The return mechanism comprises a first elastic piece 9, a second elastic piece 10 and a baffle 7 which is arranged on the guide post 6 in a penetrating way. The baffle 7 is arranged between the first male die 3 and the second male die 4.
One end of the first elastic piece 9 is abutted with the baffle 7, and the other end is abutted with the first male die 3.
One end of the second elastic piece 10 is abutted with the baffle 7, and the other end is abutted with the second male die 4.
The first elastic member 9 and the second elastic member 10 are nitrogen springs. When the first punch 3 and the second punch 4 approach each other, the first elastic member 9 and the second elastic member 10 are compressed to store energy.
The bottom of the female die 2 is provided with a blanking cavity 23 communicated with the first female die head 31 and the second female die head 41, and the blanking cavity 23 is connected with the negative pressure pipe 12.
In a further preferred scheme, the device further comprises a horizontal floating mechanism.
The horizontal floating mechanism comprises a base 14, a linear slide rail 1 arranged between the base 14 and a bottom plate 13, and two sets of floating devices arranged on two sides of the base 14 in the horizontal direction.
The linear slide rail comprises a slide block 15 fixedly connected with the bottom plate 13 and a track 16 fixedly connected with the base 14. The slide 15 is linearly and horizontally movable along a rail 16 in the same direction as the first punch 3.
The floating device comprises a support 17 fixedly connected with the base 14, a connecting seat 18 fixedly connected with the bottom plate 13, a connecting rod 19 arranged in parallel with the moving direction of the first male die 3, a spring 20 and a limit screw 24. The connecting rod 19 fixedly connects the support 17 and the connecting seat 18. The spring 20 is sleeved on the connecting rod 19. The free end of the connecting rod 19 is provided with a stop 25. The spring 20 has one end abutting the support 17 and the other end abutting the stopper 25.
The limit screw 24 is arranged on the support 17 in a penetrating way. One end of the limit screw 24 is close to the connecting seat 18 and has a gap with the connecting seat 18. The limit screw 24 is an adjustable structure, and the gap between the limit screw and the connecting seat 18 can be adjusted to adjust the limit amount of horizontal floating. When limiting lug 24 abuts connecting section 18, it is the limit of horizontal float.
A cover plate 26 is arranged at the upper ends of the two side plates 11. A position sensor 27 is provided on the cover plate 26 in the region of the first punch 3 and the second punch 4. Position sensing holes 28 are respectively formed in the first male die 3 and the second male die 4. The position sensor 27 and the position sensing hole 28 cooperate to perform limit control on the first punch 3 and the second punch 4.
The working principle of the embodiment is as follows: as shown in fig. 8-9, when the automotive floor part needs to be punched, the punching device is moved to the part, the male and female dies are inserted into the ear plate 29, and the ear plate 29 to be punched is placed in the gap between the first male die 31 and the first female die 21, and the second male die 41 and the second female die 22. Touch can take place for the inevitable in the insertion process, takes place power conduction, and horizontal floating mechanism plays a role this moment, because base 14 is fixed, bottom plate 13 takes place little horizontal migration through the linear slide relative to the base, has adjusted the distance between punch-die and otic placode 29 through the effect of spring 20 is automatic. The oil cylinder pushes the push plate 51 to move forward, the push plate 51 simultaneously drives the first wedge mechanism 53 and the second wedge mechanism 54 to move forward, the first slope surface 32 and the first slope surface 55 as well as the second slope surface 42 and the second slope surface 56 generate force conduction to enable the first male die 3 and the second male die 4 to move oppositely, meanwhile, the lug plate 29 is punched, and the removed material is drawn away along the negative pressure pipe 12 by negative pressure from the blanking cavity 23. Under the action of the first elastic member 9 and the second elastic member 10, the first punch 3 and the second punch 4 return, and when the position sensor 27 senses the position sensing hole 28, the return stops, and the punching process is finished.
Claims (10)
1. A punching apparatus characterized by: the device comprises a female die, a first male die and a second male die which are arranged on two sides of the female die, a driving mechanism and a return mechanism, wherein the driving mechanism and the return mechanism can simultaneously drive the first male die and the second male die;
a first convex die head is arranged on the first convex die, and a second convex die head is arranged on the second convex die;
the female die is provided with a first female die head and a second female die head respectively;
the first female die head faces the first male die head and is matched with the first male die head;
the second female die head faces the second male die head and is matched with the second male die head;
the driving mechanism can drive the first male die head and the second male die head to respectively and correspondingly move towards the direction close to the first female die head and the second female die head synchronously;
the return mechanism can enable the first male die head and the second male die head to respectively and correspondingly move towards the direction far away from the first female die head and the second female die head synchronously.
2. The punch apparatus of claim 1, wherein: the base comprises two side plates which are arranged in parallel, and a cavity is formed between the two side plates;
the rear end of the first male die is provided with a first inclined plane, and the rear end of the second male die is provided with a second inclined plane;
the driving mechanism comprises a push plate arranged between the two side plates, a power source for driving the push plate to move in the cavity in a parallel mode, and a first wedge block mechanism and a second wedge block mechanism which are fixedly connected with the push plate;
the first wedge block mechanism is provided with a first slope surface which can be abutted and attached with the first inclined surface, and the second wedge block mechanism is provided with a second slope surface which can be abutted and attached with the second inclined surface;
the first inclined surface can slide relative to the first slope surface, and the second inclined surface can slide relative to the second slope surface;
when the first wedge block mechanism and the second wedge block mechanism move forwards, the first convex die head moves towards the direction close to the first concave die head, and the second convex die head synchronously moves towards the direction close to the second concave die head.
3. The punch apparatus of claim 2, wherein: wear-resisting plates are arranged between the first inclined plane and the first slope surface and between the second inclined plane and the second slope surface.
4. The punch apparatus of claim 2, wherein: guide posts are arranged between the two side plates and perpendicular to the two side plates, the guide posts penetrate through the first male die and the second male die, two ends of each guide post are connected with the two side plates respectively, and the first male die and the second male die can slide in the horizontal direction along the guide posts.
5. The punch apparatus of claim 4, wherein: the return mechanism comprises a first elastic part, a second elastic part and a baffle penetrating through the guide post, and the baffle is arranged between the first male die and the second male die;
one end of the first elastic piece is abutted with the baffle, and the other end of the first elastic piece is abutted with the first male die;
one end of the second elastic part is abutted with the baffle, and the other end of the second elastic part is abutted with the second male die.
6. The punch apparatus of claim 5, wherein: the first elastic piece and the second elastic piece are nitrogen springs.
7. The punch apparatus of claim 1, wherein: and a blanking cavity communicated with the first female die head and the second female die head is formed at the bottom of the female die, and the blanking cavity is connected with a negative pressure pipe.
8. A punch apparatus as claimed in any one of claims 1 to 7, characterised in that: the first male die and the second male die are arranged in mirror symmetry with respect to the female die.
9. The punch apparatus of claim 2, wherein: the base also comprises a horizontal floating mechanism and a bottom plate fixedly connected with the lower ends of the two side plates;
the horizontal floating mechanism comprises a base, a linear slide rail arranged between the base and the bottom plate and a floating device;
the linear slide rail comprises a slide block fixedly connected with the bottom plate and a track fixedly connected with the base, the slide block can linearly and horizontally move along the track, and the moving direction of the slide block and the moving direction of the first male die are in the same direction;
the floating device comprises a support fixedly connected with the base, a connecting seat fixedly connected with the bottom plate, a connecting rod arranged in parallel with the moving direction of the first male die, a spring and a limiting screw rod; the connecting rod fixedly connects the support and the connecting seat; the spring is sleeved on the connecting rod, the free end of the connecting rod is provided with a stop, one end of the spring is abutted against the support, and the other end of the spring is abutted against the stop;
the limiting screw penetrates through the support, and one end of the limiting screw is close to the connecting seat and has a gap with the connecting seat.
10. The punch apparatus of claim 2, wherein: the upper ends of the two side plates are provided with cover plates, position sensors are arranged on the cover plates corresponding to the regions of the first male die and the second male die, position sensing holes are respectively formed in the first male die and the second male die, and the position sensors are matched with the position sensing holes to carry out limit control on the first male die and the second male die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122896626.3U CN216501839U (en) | 2021-11-23 | 2021-11-23 | Punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122896626.3U CN216501839U (en) | 2021-11-23 | 2021-11-23 | Punching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216501839U true CN216501839U (en) | 2022-05-13 |
Family
ID=81533126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122896626.3U Active CN216501839U (en) | 2021-11-23 | 2021-11-23 | Punching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216501839U (en) |
-
2021
- 2021-11-23 CN CN202122896626.3U patent/CN216501839U/en active Active
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