CN210676541U - Punching die capable of reversing punching direction - Google Patents
Punching die capable of reversing punching direction Download PDFInfo
- Publication number
- CN210676541U CN210676541U CN201921443275.7U CN201921443275U CN210676541U CN 210676541 U CN210676541 U CN 210676541U CN 201921443275 U CN201921443275 U CN 201921443275U CN 210676541 U CN210676541 U CN 210676541U
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- die
- punching
- cut
- reversing
- block
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- 238000004080 punching Methods 0.000 title claims abstract description 85
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 10
- 238000007723 die pressing method Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000006872 improvement Effects 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a make reverse die-cut mould of punching press direction, including the die holder that has the installation cavity and the drive block that is located the die holder lateral surface, be equipped with die-cut die, die-cut terrace die and two rotatory pieces in the installation cavity, die-cut die is located between die-cut terrace die and the drive block, and the cavity of die-cut die is towards die-cut terrace die, die-cut terrace die cover is equipped with the pressure flitch that can the relative die-cut terrace die remove, die-cut terrace die and pressure flitch slidable mounting are in the fixing base, and a slider is configured to each rotatory piece, the slider slides in the spout of die holder, and the one end and the drive block pressure of slider are touched, and the other end of slider is touched with the interior side pressure of the one end of rotatory piece, the other end inboard of rotatory. The utility model discloses simple structure is compact, and is die-cut steady.
Description
Technical Field
The utility model relates to a die-cut mould, especially a die-cut mould that makes punching press direction reverse in the automobile parts production research field.
Background
With the improvement of scientific technology and the increase of labor cost, in order to improve the production efficiency and obtain more products with high quality, after the automobile body stamping part is automatically punched, the welding of parts is gradually turned to the robot to be completed. The welding fixture and the robot are matched, the positioning and the operation space are limited, the stamping parts cannot be punched in the front face of the cutter due to the placement of the stamping parts, the stamping direction needs to be reversed through a certain mechanism, and punching is achieved. Because, when the stamping part is tangent, the lower die cutter is very weak and has no edge strength
In the prior art, a standard or self-made reverse wedge is generally adopted to reverse the stamping direction of the die. The operating principle of the mechanism is that an upper die is provided with a driving block, a lower die sliding block seat is provided with a transverse sliding block and a main sliding block moving up and down, the driving block and the transverse sliding block are in inclined surface contact, when the driving block moves down, the transverse sliding block is driven to move horizontally, the transverse sliding block pushes the main sliding block to move upwards again, the direction of stamping is reversed, a component with lateral force of the mechanism needs to be increased to form a structure for preventing the lateral force, during die opening, the transverse sliding block resets under the action of a return spring, and the main sliding block resets under the action of self weight and a material returning spring. However, the structure of the die is relatively complex, the requirement on the processing precision of the contact surface is high, and the required manufacturing cost is high; in addition, the inclined surface contacts with the horizontal sliding block to drive the horizontal sliding block to move horizontally, and then the main sliding block is driven to move upwards, so that the required space is large, and certain limitation is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a make the reverse die-cut mould of punching press direction, simple structure, required space is little, and the die-cut direction of motion of drive block and the punching press opposite direction of die-cut terrace die realize reverse die-cut.
The utility model provides a solution of its technical problem is: the utility model provides a make reverse die-cut mould of punching press direction, is including the die holder that has the installation cavity and the drive block that is located the die holder lateral surface, be equipped with die-cut die, die-cut terrace die and two rotatory pieces in the installation cavity, die-cut die is located between die-cut terrace die and the drive block, the cavity of die-cut die is towards the die-cut terrace die, die-cut terrace die cover is equipped with the pressure flitch that can die-cut terrace die remove relatively, die-cut terrace die and pressure flitch slidable mounting are in the fixing base, and each rotatory piece disposes a slider, the slider slides in the spout of die holder, and the one end and the drive block pressure of slider are touched, and the other end of slider is touched with the one end interior side pressure of rotatory piece, keep away from a.
The punching die at least has the following beneficial effects: the driving block moves towards the die holder direction, the driving block pushes the sliding block to do linear motion in the sliding groove, the rotating block is pushed to rotate, the fixing seat is further pushed to move towards the driving block direction, the direction of the force is changed, the pressure plate contacts the bottom of the groove of the workpiece after penetrating through the groove of the workpiece, the workpiece is fixed in the punching die, and the punching male die punches the workpiece. Compared with the prior art, the utility model discloses simple structure is compact, and is die-cut steady.
As a further improvement of the technical scheme, a male die pressing plate is installed on the end face, far away from the punching female die, of the fixing seat, a pressing spring is arranged between the pressing plate and the male die pressing plate, and the punching male die is fixed on the male die pressing plate. The material pressing spring provides pressure for the material pressing plate to press the workpiece.
As a further improvement of the technical scheme, the mounting cavity is divided into a first cavity for mounting the punching female die and a second cavity located beside the first cavity through two convex blocks, the rotating block and the fixing seat are mounted in the second cavity, a channel for the pressing plate and the punching male die to pass through is formed between the two convex blocks, and a punching reset spring is arranged between the fixing seat and the convex blocks. The channel between the two lugs plays a guiding role. After punching is completed, the fixed seat resets under the action of the punching reset spring.
As a further improvement of the technical scheme, the material pressing plate further comprises a limiting shaft, the material pressing plate is provided with a long-strip-shaped limiting groove, and the limiting shaft penetrates through the fixing seat and the limiting groove. The limiting shaft and the limiting groove are used for limiting the stroke of the pressure plate.
As a further improvement of the technical scheme, the two sliding grooves are arranged in a splayed shape, and a small opening in the shape formed by the two sliding grooves is close to the driving block. The slide groove that the splayed was arranged for the smooth and easy slip of slider in the slide groove.
As a further improvement of the technical scheme, the included angle between the two sliding grooves is 10-20 degrees.
As a further improvement of the above technical solution, the driving block is provided with a guide slider, the guide slider is disposed in a guide groove of the die holder, and the guide groove is located on an end surface or a side surface of the die holder. The included angle between the surface of the die holder provided with the guide groove and the surface of the die holder opposite to the driving block is an acute angle, a right angle or an obtuse angle.
As a further improvement of the above technical solution, the rotating block rotates around a rotating shaft, and the rotating shaft is installed in the die holder through a rotating shaft pressing plate. The rotating shaft pressing plate is used for limiting the axial runout of the rotating shaft.
As a further improvement of the technical scheme, one end face, close to the rotating block, of the sliding block is an inclined face, the angle of the inclined face is 1-5 degrees, and the inclined face and the inner side face of the sliding block are provided with arc faces, so that the sliding block is stably contacted with the rotating block, and the rotating block is stably rotated.
As a further improvement of the technical scheme, the fixed seat is provided with a guide block which is convenient for the insertion of the workpiece, and the punching female die is provided with a guide surface which is convenient for the insertion of the workpiece, so that the insertion of the workpiece is convenient.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a transverse cross-sectional view of an embodiment of the invention;
fig. 3 is a longitudinal cross-sectional view of an embodiment of the invention;
FIG. 4 is a schematic structural view of a fixing seat, a punching male die and a material pressing plate in the embodiment of the present invention;
fig. 5 is a schematic structural diagram of the punching male die and the pressure plate in the embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 5, a punching die for reversing a punching direction includes a die holder 12 having a mounting cavity and a driving block 5 located outside a side surface of the die holder 12, a punching female die 8, a punching male die 13 and two rotating blocks 10 are arranged in the mounting cavity, the punching female die 8 is positioned between the punching male die 13 and the driving block 5, the concave cavity of the punching female die 8 faces the punching male die 13, the punching male die 13 is sleeved with a pressure plate 15 which can move relative to the punching male die 13, the punching male die 13 and the pressure plate 15 are slidably arranged in the fixed seat 11, each rotating block 10 is provided with a sliding block 6, the slide block 6 slides in the sliding groove of the die holder 12, one end of the slide block 6 is pressed and contacted with the driving block 5, the other end of the slide block 6 is pressed and contacted with the inner side of one end of the rotating block 10, the other end of the rotating block 10 is pressed and contacted with one end face, far away from the punching die 8, of the fixed seat 11. A driving return spring 14 is arranged between the driving block 5 and the die holder 12. The upper and lower surfaces of the rotary block 10 are attached to the die holder 12.
The upper end surface of the die holder 12 is provided with a lifting ring 3. The punching convex die 13 is an inclined blade, and the height difference is more than 1 time of the thickness of the workpiece material. The side wall surface of the punching concave die 8 is not contacted with the workpiece, and a 0.5mm gap is formed between the side wall surface of the punching concave die 8 and the workpiece arranged in the punching groove.
The driving block 5 moves towards the direction of the die holder 12, the driving block 5 pushes the sliding block 6 to do linear motion in the sliding groove, the rotating block 10 is pushed to rotate, the fixing seat 11 is further pushed to move towards the direction of the driving block 5, the direction of the force is changed, the pressure plate 15 contacts the bottom of the groove of the workpiece after penetrating through the groove of the workpiece, the workpiece is fixed in the punching female die 8, and the punching male die 13 punches the workpiece. Compared with the prior art, the utility model discloses simple structure is compact, and is die-cut steady.
A male die pressing plate 19 is installed on the end face, far away from the punching female die 8, of the fixing seat 11, a pressing spring 17 is arranged between the pressing plate 15 and the male die pressing plate 19, and the punching male die 13 is fixed on the male die pressing plate 19. The pressing spring 17 provides pressure for pressing the workpiece for the pressing plate 15.
The installation cavity is divided into a first cavity used for installing the punching female die 8 and a second cavity located beside the first cavity through two convex blocks 21, the rotating block 10 and the fixed seat 11 are installed in the second cavity, a channel for the pressing plate 15 and the punching male die 13 to pass through is formed between the two convex blocks, and a punching reset spring 16 is arranged between the fixed seat 11 and the convex blocks 21. The channel between the two projections 21 serves as a guide. After punching, the fixed seat 11 is reset under the action of the punching reset spring 16.
The material pressing plate is characterized by further comprising a limiting shaft 20, the material pressing plate 15 is provided with a long-strip-shaped limiting groove, and the limiting shaft 20 penetrates through the fixing seat 11 and the limiting groove. The limiting shaft 20 and the limiting groove are used for limiting the stroke of the pressure plate 15.
The two sliding grooves are arranged in a splayed shape, and a small opening in the shape formed by the two sliding grooves is close to the driving block 5. The slide groove is arranged in a splayed shape, so that the slide block 6 can slide smoothly in the slide groove.
The included angle between two chutes is 10 ~ 20. Preferably, the angle between the two runners is 16 °. Namely, the included angle between the sliding groove and the side surface of the die holder 12 is 8 degrees.
The driving block 5 is provided with a guide sliding block 22, the driving block 5 and the guide sliding block 22 are connected and fixed to form an L shape, the guide sliding block 22 is arranged in a guide groove of the die holder 12, and the guide groove is located on the end face or the side face of the die holder 12. The included angle between the surface of the die holder 12 provided with the guide groove and the surface of the die holder 12 opposite to the driving block 5 is an acute angle, a right angle or an obtuse angle. Two guide sliding plates 4 are arranged on the die holder 12, and guide grooves are formed on the two guide sliding plates 4.
The rotary block 10 rotates about a rotary shaft 18, and the rotary shaft 18 is installed in the die holder 12 through the spindle press 2. The spindle pressure plate is used for limiting the axial runout of the rotating shaft 18. The rotating shaft pressing plate is arranged on the upper end surface of the die holder 12.
The centre line of the rotation axis 18 is at least 10mm at a minimum perpendicular distance from the outer edge of the slide 6.
One end face, close to rotatory piece 10, in the slider 6 is the inclined plane, the angle on inclined plane is 1 ~ 5, and the inclined plane is equipped with the arc surface with the medial surface of slider 6 for slider 6 is steady with the contact of rotatory piece 10, makes rotatory piece 10 rotate steadily.
The fixing seat 11 is provided with a guide block 9 convenient for workpiece insertion, and the punching female die 8 is provided with a guide surface convenient for workpiece insertion, so that the workpiece 1 can be inserted conveniently. The pressure plate 15 is right below the guide blocks, and the gap between the pressure plate 15 and the guide blocks is 0.5 mm.
The drive return spring 14, the blanking return spring 16 and the swaging spring 17 are all rectangular springs.
The utility model discloses a reversal of punching press power is realized to two rotatory pieces, and simple structure is practical, and occupation space is few, and is die-cut stable, the die-cut mould that is particularly suitable for the space limited and can not the tangent. The utility model discloses required constitution part is few, and the movement track is simple, and the mechanism is stable. The slider only needs the rotatory piece of drive to rotate, just can realize the reverse of power, and the motion of horizontal slider needs to be driven to original structure, and horizontal slider drives main slider upward movement again and just can realize the reverse of power, and horizontal slider and main slider all need elastic element to reset, and new structure only need with elastic element rotatory piece that resets can. With the rotary block and die-cut terrace die in an insert module, the lateral force that the punching press produced can both effectively offset through self, need not additionally increase and prevent the side mechanism, saves the cost.
The following is the preferred working process of the utility model:
will the utility model discloses in putting into the equipment fixing groove, during the first debugging, adjust the regulating block 7 on 12 four sides of die holder, make the position of die-cut die 8 aim at with the position of anchor clamps. When the punching die starts to work, a clamp clamps a workpiece 1 and is inserted into a punching female die 8, a side oil hydraulic cylinder pushes a driving block 5 to move inwards to drive a return spring 14 to start to compress, the driving block 5 pushes a sliding block 6 to do linear motion in a sliding groove to push a rotating block 10 to rotate around a rotating shaft 18, then a fixed seat 11 is pushed to move outwards, a punching return spring 16 starts to compress, the force is reversed, the oil hydraulic cylinder continues to push, a pressure plate 15 in the fixed seat 11 starts to contact the workpiece 1, a pressure spring 17 starts to compress, a presser will press, when a punching male die 13 starts to contact the workpiece 1, sufficient punching pressure is provided for the pressure plate 15, the oil hydraulic cylinder continues to push, the punching male die 13 cuts waste materials of the workpiece 1 leaning against the punching female die 8 until the driving block 5 contacts the side face of a die holder 12, and the die closing. When the die is opened, the side oil hydraulic cylinder returns, the driving return spring 14 pushes the driving block 5 to return, the punching return spring 16 pushes the fixed seat 11 to return, then the rotating block 10 is pushed to return, the pressing spring 17 pushes the pressing plate 15 to pop out, the safety distance between the pressing plate 15 and the workpiece 1 after the die is opened is larger than 1mm, and then the equipment controls the clamp for clamping the workpiece 1 to move upwards to take out the workpiece 1.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (10)
1. A punching die for reversing a punching direction is characterized in that: including the die holder that has the installation cavity and being located the outside drive block of die holder side, be equipped with die-cut die, die-cut terrace die and two rotatory pieces in the installation cavity, die-cut die is located between die-cut terrace die and the drive block, and the cavity of die-cut die is towards die-cut terrace die, die-cut terrace die cover is equipped with the pressure flitch that can die-cut terrace die remove relatively, die-cut terrace die and pressure flitch slidable mounting are in the fixing base, and slider of each rotatory piece configuration, the slider slides in the spout of die holder, and the one end and the drive block pressure of slider are touched, and the other end of slider is touched with the side pressure in the one end of rotatory piece, the inboard terminal surface pressure of keeping away from die-cut.
2. The punching die for reversing a punching direction according to claim 1, wherein: the end face, far away from the punching female die, of the fixing seat is provided with a male die pressing plate, a pressing spring is arranged between the pressing plate and the male die pressing plate, and the punching male die is fixed on the male die pressing plate.
3. The punching die for reversing a punching direction according to claim 2, wherein: the installation cavity is divided into a first cavity used for installing the punching female die and a second cavity located beside the first cavity through two convex blocks, the rotating block and the fixing seat are installed in the second cavity, a channel for the pressing plate and the punching male die to penetrate is formed between the two convex blocks, and a punching reset spring is arranged between the fixing seat and the convex blocks.
4. The punching die for reversing a punching direction according to claim 2, wherein: the material pressing plate is provided with a long-strip-shaped limiting groove, and the limiting shaft penetrates through the fixing seat and the limiting groove.
5. The punching die for reversing a punching direction according to claim 1, wherein: the two sliding grooves are arranged in a splayed shape, and a small opening in the shape formed by the two sliding grooves is close to the driving block.
6. The punching die for reversing a punching direction according to claim 5, wherein: the included angle between two chutes is 10 ~ 20.
7. The punching die for reversing a punching direction according to claim 1, wherein: the driving block is provided with a guide sliding block, the guide sliding block is arranged in a guide groove of the die holder, and the guide groove is located on the end face or the side face of the die holder.
8. The punching die for reversing a punching direction according to claim 1, wherein: the rotating block rotates around a rotating shaft, and the rotating shaft is installed in the die holder through a rotating shaft pressing plate.
9. The punching die for reversing a punching direction according to claim 1, wherein: one end face, close to the rotating block, of the sliding block is an inclined face, the angle of the inclined face ranges from 1 degree to 5 degrees, and arc faces are arranged on the inclined face and the inner side face of the sliding block.
10. The punching die for reversing a punching direction according to claim 1, wherein: the fixing seat is provided with a guide block convenient for workpiece insertion, and the punching female die is provided with a guide surface convenient for workpiece insertion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921443275.7U CN210676541U (en) | 2019-08-30 | 2019-08-30 | Punching die capable of reversing punching direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921443275.7U CN210676541U (en) | 2019-08-30 | 2019-08-30 | Punching die capable of reversing punching direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210676541U true CN210676541U (en) | 2020-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921443275.7U Withdrawn - After Issue CN210676541U (en) | 2019-08-30 | 2019-08-30 | Punching die capable of reversing punching direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210676541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523838A (en) * | 2019-08-30 | 2019-12-03 | 广州敏实汽车零部件有限公司 | A kind of blanking die for keeping pressing direction reversed |
-
2019
- 2019-08-30 CN CN201921443275.7U patent/CN210676541U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523838A (en) * | 2019-08-30 | 2019-12-03 | 广州敏实汽车零部件有限公司 | A kind of blanking die for keeping pressing direction reversed |
| CN110523838B (en) * | 2019-08-30 | 2024-05-17 | 广州敏实汽车零部件有限公司 | Punching die capable of reversing punching direction |
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