CN212822201U - Double-station bidirectional shaping die - Google Patents

Abstract

The utility model discloses a double-station bidirectional shaping die, which comprises an upper die base, an upper padding plate, a male splint, a stripping plate, a lower template, a lower padding plate and a lower die base which are arranged from top to bottom in sequence, wherein a movable block is arranged on the stripping plate in a left-right direction in a sliding manner; two part inserts matched with the inner cavities of the parts are arranged at the lower parts of the movable blocks; a spherical groove is formed at the top of the movable block; the upper base plate, the male clamping plate and the backing releasing plate are sequentially penetrated through by the reset pin from top to bottom; a spherical part matched with the spherical groove is formed at the lower part of the reset pin; a first return spring is abutted between the upper part of the return pin and the upper die holder; and the male clamping plate is provided with a first slotting tool and a second slotting tool which are used for driving the movable block to alternately slide left and right in a wedge transmission mode. The utility model discloses can carry out the plastic to the both sides outer wall of two parts simultaneously in a station, be applicable to in the compact structure, the little modulus of continuity of inner space.

Description

Double-station bidirectional shaping die

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to a two-way plastic mould in duplex position.

Background

In modern manufacturing industry, dies such as stamping dies, forging dies, die casting dies, etc. are one of the important tools for industrial production of various parts. As a common die, the shaping die mainly adopts the mode that after a part seat and a part insert fix parts, a side punch performs side-to-side stamping to complete shaping operation; however, the existing shaping die only carries out side stamping operation on one part at a time, and the working efficiency is low; thus, the prior art is subject to improvement and advancement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a two-way plastic mould in duplex position to the problem among the above-mentioned prior art, the purpose is the plastic operation of accomplishing the both sides of two work pieces simultaneously in a station to improve the work efficiency of mould.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

a double-station bidirectional shaping die comprises an upper die base, an upper padding plate, a male splint, a stripper plate, a lower template, a lower padding plate and a lower die base which are sequentially arranged from top to bottom; the stripper plate is provided with a movable block in a sliding manner along the left-right direction; two part inserts matched with the inner cavities of the parts are arranged at the lower parts of the movable blocks; a spherical groove is formed at the top of the movable block; the reset pin sequentially penetrates through the upper base plate, the male splint and the stripper plate from top to bottom; a spherical part matched with the spherical groove is formed at the lower part of the reset pin; a first return spring is abutted between the upper part of the return pin and the upper die holder; the male clamping plate is provided with a first slotting tool and a second slotting tool, and the first slotting tool and the second slotting tool are used for driving the movable block to alternately slide left and right in a wedge transmission mode; the lower template is provided with a part seat which is arranged opposite to the movable block; two first side punches which are oppositely arranged at two sides of the part seat are arranged on the lower template in a left-right sliding manner; the lower template is also provided with two first side punches which are driven to expand outwards through a second return spring; two third slotting tools are arranged on the stripper plate; the two third slotting tools correspond to the two first side punches one by one and are used for driving the corresponding first side punches to move towards the direction close to the part seats in a wedge transmission mode; the part seat is also provided with two second side punches which are arranged at the lower sides of the middles of the two part inserts in a sliding manner along the left-right direction; two third return springs are arranged on the part seat to drive the two second side punches to retract inwards; and the stripper plate is provided with the fourth slotting tool for driving the two second side punches to expand outwards in a wedge transmission mode.

As a further elaboration of the above technical solution:

in the technical scheme, a first boss with an arc-shaped cross section is arranged at the lower part of the left side wall of the movable block; a second boss with a trapezoidal cross section is arranged at the upper part of the left side wall of the movable block; a first wedge surface matched with the first boss and the second boss respectively is arranged on the right side surface of the bottom end of the first slotting tool; a first avoiding groove matched with the second boss is further formed in the right side wall of the lower portion of the first slotting tool; the width of the bottom of the first avoiding groove is greater than the height of the second boss in the vertical direction; a third boss with an arc-shaped cross section is arranged at the lower part of the right side wall of the movable block, and the horizontal position of the third boss is higher than the first boss and lower than the second boss; a second wedge surface matched with the third boss is arranged on the left side surface of the bottom end of the second slotting tool; and a second avoiding groove matched with the third boss is formed in the left side wall of the lower part of the second slotting tool.

In the above technical solution, the number of the second return springs is two, and both the second return springs are tension springs; the two tension springs correspond to the two first side punches one by one; one end of each tension spring is hooked on the corresponding side wall of the first side punch far away from the part seat, and the other end of each tension spring is hooked on the lower template.

In the above technical solution, the first side punch includes a side slide and an insert; the side sliding block is slidably mounted on the part seat, and the insert is detachably connected to the upper part, close to the side wall of the part seat, of the side sliding block and matched with the part.

In the technical scheme, the two third return springs are compression springs, and the two compression springs correspond to the two second side punches one by one; one end of each pressure spring abuts against one side, away from the other second side punch, of the corresponding second side punch, and the other end of each pressure spring abuts against the part seat.

In the technical scheme, the left side and the right side of the bottom end of the fourth slotting tool are provided with third inclined wedge surfaces; and fourth wedge surfaces matched with the third wedge surfaces are formed at the tops of the side walls, opposite to the second side punches, respectively.

In the above technical scheme, a fifth wedge surface is formed on the upper portion of the side wall of the first side punch, which is far away from the part seat, and a sixth wedge surface, a vertical surface and a seventh wedge surface which are matched with the fifth wedge surface are formed on the corresponding lower end surface of the fourth slotting tool from top to bottom.

In the technical scheme, a groove is formed in the left side wall of the movable block; a roller is rotatably arranged in the groove; the part of the roller penetrating out of the groove forms the first boss.

The beneficial effects of the utility model reside in that:

firstly, the utility model presses a part into the lower template through two part inserts respectively; then, a group of corresponding first side punch heads and second side punch heads are matched to perform primary punch forming operation on a part; then, the movable block drives the two part inserts to slide left and right, and the part inserts are matched with corresponding first side punches or second side punches to finish accurate punch forming operation of two sides of the parts in the left and right sliding process; therefore, the utility model has the advantages of work efficiency is high, and the shaping is effectual, while still compact structure, be applicable to and use in the little space.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a partially enlarged view of fig. 1 at a.

The reference numbers in the figures are respectively: 1. an upper die holder; 2. an upper base plate; 3. a male splint; 4. removing the back plate; 5. a material removing plate; 6. a lower template; 7. a lower base plate; 8. a lower die holder; 9. a movable block; 10. a part insert; 11. a spherical groove; 12. a reset pin; 13. a spherical portion; 14. a first return spring; 15. a first slotting tool; 16. a second slotting tool; 17. a part holder; 18. a first side punch; 19. a third slotting tool; 20. a second side punch; 21. a third return spring; 22. a fourth slotting tool; 23. a first boss; 24. a second boss; 25. a first cammed surface; 26. a first avoiding groove; 27. a third boss; 28. a second cammed surface; 29. a second avoiding groove; 30. a second return spring; 31. a slider; 32. an insert; 33. a third wedge surface; 34. a fourth cammed surface; 35. a fifth wedge surface; 36. a sixth wedge surface; 37. a vertical plane; 38. and a seventh wedge surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Fig. 1-2 illustrate a specific embodiment of the two-way plastic mould in duplex position, refer to fig. 1-2, a two-way plastic mould in duplex position, include from last upper die base 1, upper padding plate 2, public splint 3, take off backplate 4, take off flitch 5, lower bolster 6, lower bolster 7 and die holder 8 that down set up in order. Specifically, the method comprises the following steps: the upper die holder 1, the upper backing plate 2 and the male splint 3 are fixedly connected through bolts; the backing-off plate 4 is movably arranged at the lower side of the male splint 3 in a way of sliding up and down through a screw with equal height; a nitrogen spring is abutted between the backing plate 4 and the male clamping plate 3; the stripper plate 5 is fixedly connected with the stripper plate 4 through bolts; the lower template 6 is positioned below the stripper plate 5 and is movably matched with the stripper plate 5; the lower template 6, the lower backing plate 7 and the lower die base 8 are fixedly connected through bolts.

The middle part of the stripper plate 5 is provided with a movable block 9 in a sliding way along the left and right direction. Two part inserts 10 matched with the inner cavities of the parts are installed on the lower portion of the movable block 9, and the shapes of the two part inserts 10 are the same as the inner cavities of the parts. A spherical groove 11 is formed at the top of the movable block 9; the upper backing plate 2, the male splint 3 and the backing plate 4 are sequentially penetrated by the reset pin 12 from top to bottom; a spherical part 13 matched with the spherical groove 11 is formed at the lower part of the reset pin 12; a first return spring 14 is abutted between the upper part of the return pin 12 and the upper die holder 1; in actual work, no matter the movable block 9 moves to the left or to the right, the reset pin 12 moves upwards due to the left and right dislocation of the spherical groove 11 and the spherical part 13, the first reset spring 14 is compressed, and after external force is dissipated, the first reset spring 14 is restored to drive the reset pin 12 to move downwards, so that the spherical part 13 is matched with the spherical groove 11 to enable the movable block 9 to reset in the center. The male clamping plate 3 is provided with a first slotting tool 15 and a second slotting tool 16, and the first slotting tool 15 and the second slotting tool 16 are used for driving the movable block 9 to alternately slide left and right in a wedge transmission mode.

A part seat 17 is mounted on the lower template 6, and the part seat 17 is positioned at the lower side of the movable block 9. The lower template 6 is provided with two first side punches 18 which are oppositely arranged at two sides of the part seat 17 in a sliding manner along the left-right direction; the lower template 6 drives the two first side punches 18 to expand outwards through a second return spring 30; two third slotting tools 19 are arranged on the stripper plate 5; the two third slotting tools 19 correspond to the two first side punches 18 one by one, and are used for driving the corresponding first side punches 18 to move towards the direction close to the part seat 17 in a wedge transmission manner. The part seat 17 is also provided with two second side punches 20 which are slidably arranged along the left-right direction, and the two second side punches 20 are positioned at the lower side of the middle of the two part inserts 10; two third return springs 21 are arranged on the part seat 10 to drive the two second side punches 20 to retract; the stripper plate 5 is provided with the fourth slotting tool 22 for driving the two second side punches 20 to expand outward in a wedge transmission manner.

The utility model discloses in-process using, will die holder 8 is fixed on table surface, will upper die base 2 is connected with outside punch press, and its theory of operation is: firstly, an external punch press drives the upper die holder 1, the upper padding plate 2, the male splint 3, the stripper plate 4 and the stripper plate 5 to synchronously descend, in the process, the part insert 10 is inserted into the inner cavities of two parts and the two parts are pushed into the lower template 6, the third slotting tool 19 drives the corresponding first side punch 18 to move towards the part holder 10, the fourth slotting tool 22 drives the two second side punches 20 to expand outwards, and then the two first side punches 18 and the two second side punches 20 are matched in pairs and groups to perform primary punch forming operation on two side walls of one part; then, when the stripper plate 5 abuts against the lower die plate 6 and cannot go down continuously, the upper die base 1, the upper backing plate 2 and the male splint 3 go down continuously, and then the first slotting tool 15 and the second slotting tool 16 move relative to the movable block 9 to drive the part insert 10 to move left and right, and when the part insert 10 moves left and right, the part insert is matched with the corresponding first side punch 18 or second side punch 20 to perform accurate punch forming operation on the side wall of the part.

Further, a first boss 23 with an arc-shaped cross section is arranged at the lower part of the left side wall of the movable block 9; a second boss 24 with a trapezoidal cross section is arranged at the upper part of the left side wall of the movable block 9; a first wedge surface 25 matched with the first boss 23 is arranged on the right side surface of the bottom end of the first slotting tool 15; a first avoiding groove 26 matched with the second boss 24 is further formed in the right side wall of the lower portion of the first slotting tool 15; the width of the bottom of the first avoiding groove 26 is greater than the height of the second boss 24 in the vertical direction; a third boss 27 with an arc-shaped cross section is arranged at the lower part of the right side wall of the movable block 9, and the horizontal position of the third boss 27 is higher than the first boss 23 and lower than the second boss 24; a second wedge surface 28 matched with the third boss 27 is arranged on the left side surface of the bottom end of the second slotting tool 16; a second avoiding groove 29 matched with the third boss 27 is formed on the left side wall of the lower part of the second slotting tool 16.

The principle that the movable block 9 moves left and right is as follows: firstly, the first wedge surface 25 moves downwards to contact with the second boss 24 so as to drive the movable block 9 to move rightwards; then, the second wedge surface 28 descends to contact with the third boss 27 and drives the movable block 9 to move leftwards, and in the process, the second boss 24 moves in the first avoiding groove 26 and does not contact with the first slotting tool 15; finally, the first wedge surface 25 moves downward to contact with the first boss 23 and drive the movable block 9 to move leftward, in this process, the third boss 27 moves in the second avoiding groove 29 and is not in contact with the second slotting tool 16, and the second boss 24 moves in the first avoiding groove 26 and is not in contact with the first slotting tool 15.

Further, the number of the second return springs 30 is two, and both the second return springs are tension springs; the two tension springs 30 correspond to the two first side punches 18 one by one; one end of each tension spring is hooked on the corresponding side wall of the first side punch 18 far away from the part seat 17, and the other end of each tension spring is hooked on the lower template 6. In the mold opening state, the third slotting tool 19 is separated from the corresponding first side punch 18, and at the moment, the tension spring pulls the two first side punches 18 to expand outwards.

Further, the first side punch 18 includes a side slide 31 and an insert 32; the side slide 31 is slidably mounted on the part seat 17, and the insert 32 is detachably connected to the upper portion of the side slide 31 close to the side wall of the part seat 17 and is matched with a part, so that different inserts 32 can be replaced according to the shape of the part to be molded at low cost.

Further, the two third return springs 21 are compression springs, and the two compression springs correspond to the two second side punches 20 one by one; one end of each compression spring abuts against one side of the corresponding second side punch 20 far away from the other second side punch, and the other end abuts against the part holder 17. In the state of opening the mold, the fourth slotting tool 22 is separated from the corresponding second side punch 20, and at this time, the compression spring pushes the two second side punches 20 to retract.

Further, the left side and the right side of the bottom end of the fourth slotting tool 22 are provided with third wedge surfaces 33; the tops of the opposite side walls of the two second side punches 20 are respectively formed with a fourth wedge surface 34 matched with one of the third wedge surfaces 33; further, when the fourth slotting tool 22 is inserted into the middle of the two second side punches 20 from the top to the bottom, the two second side punches 20 can be driven to expand outward.

Further, a fifth wedge surface 35 is formed on the upper portion of the side wall of the first side punch 18 away from the component holder 17, and a sixth wedge surface 36, a vertical surface 37 and a seventh wedge surface 38 which are matched with the fifth wedge surface 35 are formed on the corresponding lower end surface of the fourth slotting tool 22 from top to bottom. Furthermore, during the mold closing process, the corresponding first side punch 18 is pushed to move toward the part holder 17 in a two-step manner by the sixth wedge surface 36 and the seventh wedge surface 38 in sequence.

Further, a groove (not shown in the figure) is formed on the left side wall of the movable block 9; a roller is rotatably arranged in the groove; the part of the roller penetrating out of the groove forms the first boss 23; further, the roller is engaged with the first cutting insert 15, and rolling friction is generated between the roller and the first cutting insert, so that the durability of the present invention is improved.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (8)

1. A double-station bidirectional shaping die comprises an upper die holder, an upper backing plate, a male splint, a stripper plate, a lower template, a lower backing plate and a lower die holder which are arranged from top to bottom in sequence,

the stripper plate is provided with a movable block in a sliding manner along the left-right direction; two part inserts matched with the inner cavities of the parts are arranged at the lower parts of the movable blocks; a spherical groove is formed at the top of the movable block; the reset pin sequentially penetrates through the upper base plate, the male splint and the stripper plate from top to bottom; a spherical part matched with the spherical groove is formed at the lower part of the reset pin; a first return spring is abutted between the upper part of the return pin and the upper die holder; the male clamping plate is provided with a first slotting tool and a second slotting tool, and the first slotting tool and the second slotting tool are used for driving the movable block to alternately slide left and right in a wedge transmission mode;

the lower template is provided with a part seat which is arranged opposite to the movable block; two first side punches which are oppositely arranged at two sides of the part seat are arranged on the lower template in a left-right sliding manner; the lower template is also provided with two first side punches which are driven to expand outwards through a second return spring; two third slotting tools are arranged on the stripper plate; the two third slotting tools correspond to the two first side punches one by one and are used for driving the corresponding first side punches to move towards the direction close to the part seats in a wedge transmission mode; the part seat is also provided with two second side punches which are arranged at the lower sides of the middles of the two part inserts in a sliding manner along the left-right direction; two third return springs are arranged on the part seat to drive the two second side punches to retract inwards; and the stripper plate is provided with the fourth slotting tool for driving the two second side punches to expand outwards in a wedge transmission mode.

2. The double-station bidirectional shaping mold according to claim 1, wherein a first boss with a circular arc-shaped cross section is arranged at the lower part of the left side wall of the movable block; a second boss with a trapezoidal cross section is arranged at the upper part of the left side wall of the movable block; a first wedge surface matched with the first boss and the second boss respectively is arranged on the right side surface of the bottom end of the first slotting tool; a first avoiding groove matched with the second boss is further formed in the right side wall of the lower portion of the first slotting tool; the width of the bottom of the first avoiding groove is greater than the height of the second boss in the vertical direction; a third boss with an arc-shaped cross section is arranged at the lower part of the right side wall of the movable block, and the horizontal position of the third boss is higher than the first boss and lower than the second boss; a second wedge surface matched with the third boss is arranged on the left side surface of the bottom end of the second slotting tool; and a second avoiding groove matched with the third boss is formed in the left side wall of the lower part of the second slotting tool.

3. The double-station bidirectional shaping mold according to claim 1, wherein the number of the second return springs is two, and both of the second return springs are tension springs; the two tension springs correspond to the two first side punches one by one; one end of each tension spring is hooked on the corresponding side wall of the first side punch far away from the part seat, and the other end of each tension spring is hooked on the lower template.

4. The two-station, two-way shaping die of claim 3, wherein the first side punch comprises a side slide and an insert; the side sliding block is slidably mounted on the part seat, and the insert is detachably connected to the upper part, close to the side wall of the part seat, of the side sliding block and matched with the part.

5. The double-station bidirectional shaping die according to claim 1, wherein the two third return springs are compression springs, and the two compression springs correspond to the two second side punches one by one; one end of each pressure spring abuts against one side, away from the other second side punch, of the corresponding second side punch, and the other end of each pressure spring abuts against the part seat.

6. The double-station bidirectional shaping mold according to any one of claims 1 to 5, wherein third tapered surfaces are arranged on the left side and the right side of the bottom end of the fourth slotting tool; and fourth wedge surfaces matched with the third wedge surfaces are formed at the tops of the side walls, opposite to the second side punches, respectively.

7. The double-station bidirectional shaping die of claim 1, wherein a fifth wedge surface is formed on the upper portion of the side wall of the first side punch, which is far away from the part seat, and a sixth wedge surface, a vertical surface and a seventh wedge surface which are matched with the fifth wedge surface are formed on the corresponding lower end surface of the fourth slotting tool from top to bottom.

8. The double-station bidirectional shaping mold according to claim 2, wherein a left side wall of the movable block is formed with a groove; a roller is rotatably arranged in the groove; the part of the roller penetrating out of the groove forms the first boss.

Images