CN217252103U - Punch forming die - Google Patents
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- CN217252103U CN217252103U CN202123075679.5U CN202123075679U CN217252103U CN 217252103 U CN217252103 U CN 217252103U CN 202123075679 U CN202123075679 U CN 202123075679U CN 217252103 U CN217252103 U CN 217252103U
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Abstract
The utility model discloses a punch forming die, which comprises an upper die, wherein the upper die comprises a pressing block with an up-and-down stroke, and a first driving rod and a second driving rod which are arranged at two sides of the pressing block, one sides of the first driving rod and the second driving rod which face each other are both provided with driving surfaces, and the pressing block is used for driving a target workpiece to generate elastic deformation and to be oppositely staggered; and the lower die comprises a material ejecting block, a first bending die and a second bending die which are arranged on two sides of the material ejecting block in a sliding mode, the first bending die, the second bending die and the material ejecting block are enclosed to form an accommodating space for placing a target workpiece, and when the first driving rod and the second driving rod move downwards, the driving surface is abutted against the first bending die and the second bending die, so that the first bending die and the second bending die are driven to move towards the direction close to the accommodating space to punch the target workpiece. The utility model provides a stamping forming die has solved the technical problem of the unable effective punching press target work piece of current stamping die.
Description
Technical Field
The utility model relates to a mould punching press field especially relates to a stamping forming mould.
Background
Stamping is a method for completing plastic forming of metal, and a stamping die is used to apply pressure to a plate material, so that the plate material is deformed to obtain a required component. Stamping die includes mould subassembly and lower mould subassembly, and panel is placed on the mould profile of lower mould subassembly, goes up mould subassembly and lower mould subassembly at the in-process of compound die, goes up mould subassembly and lower mould subassembly and is out of shape panel punching press to obtain the stamping workpiece. However, for some misaligned target workpieces with special structures, the conventional stamping die cannot complete the stamping forming of the target workpieces.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stamping forming mould aims at solving the technical problem that current stamping die can't effectively stamp the target work piece.
In order to achieve the above object, the embodiment of the utility model provides a stamping forming die is provided, stamping forming die includes:
the upper die comprises a pressing block with an up-and-down stroke, and a first driving rod and a second driving rod which are arranged on two sides of the pressing block, wherein driving surfaces are arranged on the sides, facing each other, of the first driving rod and the second driving rod, and the pressing block is used for driving a target workpiece to generate elastic deformation and to be opposite staggered; and
the lower die comprises a material ejecting block, a first bending die and a second bending die, the first bending die and the second bending die are arranged on two sides of the material ejecting block in a sliding mode, an accommodating space for accommodating the target workpiece is formed by the first bending die, the second bending die and the material ejecting block in a surrounding mode, when the first driving rod and the second driving rod move downwards, the driving surface is abutted to the first bending die and the second bending die, and therefore the first bending die and the second bending die are driven to move towards the direction close to the accommodating space to punch the target workpiece.
Optionally, in an embodiment of the present invention, the stamping forming mold further includes an elastic member, at least two elastic members are provided, one elastic member is connected to the first bending die and the ejector block, and the other elastic member is connected to the second bending die and the ejector block, when the first driving rod and the second driving rod move upward, the first bending die and the second bending die are under the elastic force of the elastic member and move in the direction of the accommodating space.
Optionally, in an embodiment of the present invention, the first bending die and the second bending die face towards the side of the ejector block and are both provided with a mounting groove, one end of the elastic member is connected in the mounting groove, and the other end of the elastic member is connected in the ejector block.
Optionally, in an embodiment of the present invention, the elastic member is a spring.
Optionally, in an embodiment of the present invention, the first bending die includes:
the body is arranged on one side of the material pushing block in a sliding mode, and the mounting groove is formed in the side face, facing the material pushing block, of the body;
the connecting part is arranged on the body and extends towards the direction close to the upper die; and
and the bending part is connected to one end, far away from the body, of the connecting part in a bending manner and extends towards the direction close to the accommodating space so as to punch the target workpiece.
Optionally, in an embodiment of the invention, the driving surface is an inclined surface, and the inclined surface is inclined toward a direction close to the accommodating space.
Optionally, in an embodiment of the present invention, the body is provided with a driven surface engaged with the inclined surface, wherein a length of the driven surface is smaller than a length of the inclined surface.
Optionally, in an embodiment of the present invention, the target workpiece includes a first sub-part and a second sub-part which are arranged in an intersecting manner, the pressing block includes a first sub-pressing block for driving the first sub-part to generate elastic deformation and a second sub-pressing block for driving the second sub-part to generate elastic deformation, so that the first sub-part and the second sub-part are staggered in opposite directions during elastic deformation, thereby achieving the punching of the first sub-part and the second sub-part.
Optionally, in an embodiment of the present invention, the stamping forming mold further includes a clamping plate, and the first sub-pressing block, the second sub-pressing block, the first driving rod and the second driving rod are all connected to the clamping plate.
Optionally, in an embodiment of the present invention, the stamping forming mold further includes a driving assembly, the clamping plate is connected to the driving assembly, so that the driving assembly drives the first sub-pressing block, the second sub-pressing block, the first driving rod and the second driving rod to move up and down.
Compared with the prior art, in the technical proposal provided by the utility model, the upper die can move under the driving of the driving component, so that the pressing block, the first driving rod and the second driving rod can move towards the direction close to or far away from the lower die, so that the pressing block, the first driving rod and the second driving rod have up-and-down strokes, when the upper die moves towards the direction close to the lower die, the pressing block is firstly contacted with a target workpiece, and under the action of the upper die, the target workpiece is elastically deformed and is oppositely staggered, along with the continuous downward movement of the upper die, the driving surface of the first driving rod is abutted with the first bending die, the driving surface of the second driving rod is abutted with the second bending die, so that the first bending die and the second bending die move towards the direction close to the accommodating space, and then the first bending die and the second bending die are used for punch forming of the target workpiece in the accommodating space. After the target workpiece is formed, the upper die moves towards the direction far away from the lower die, the first bending die and the second bending die are firstly separated from the target workpiece, the pressing block is gradually separated from the target workpiece, the target workpiece resets under the action of elastic force along with disappearance of the pressure of the pressing block to the target workpiece, and then influence of internal interference of the target workpiece on stamping is avoided, stamping of the target workpiece can be effectively achieved, the quality of the target workpiece is stable, production efficiency is improved, production cost is reduced, the structure is simple, occupied space is small, and the stamping die can be applied to most continuous die stamping processes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the stamping forming die of the present invention;
fig. 2 is a schematic view of a structure of a target workpiece.
The reference numbers illustrate:
the realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope protected by the embodiments of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions related to "first", "second", and the like in the embodiments of the present invention are only for descriptive purposes 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 at least one such feature. In the description of the embodiments of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "fixed" and the like are to be understood in a broad sense, for example, "fixed" may be a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In addition, technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory to each other or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and the combination is not within the protection scope claimed by the embodiments of the present invention.
The application range of stamping processing is wide, the stamping of a target workpiece with a complex structure is often involved, and more avoidance requirements are provided in the design of stamping dies, particularly the design of continuous die stamping dies. Simply, avoiding is to solve the problem of interference among the template, the die part and the target workpiece. And the corresponding research and development are less for the interference problem inside the target workpiece. Depending on the characteristics of the metal material, it is conceivable to perform offset forming at the stage of elastic deformation of the target workpiece.
In view of this, the embodiment of the present invention provides a stamping forming die for solving the interference problem inside a target workpiece, so as to realize effective stamping forming on the target workpiece. In the embodiment, the target workpiece is elastically deformed and staggered oppositely under the action of the target workpiece, so that the mutual interference inside the target workpiece is avoided, the staggered target workpiece is punched, and the staggered target workpiece can be reset under the action of elastic force after being formed.
It should be noted that, the embodiment of the present invention provides a stamping forming die that can be used in a continuous die stamping process, and it can be understood that, in this embodiment, stamping of a target workpiece is only one of all stamping processes of the target workpiece, that is, the target workpiece in this embodiment is a semi-finished product, and because there is an internal interference problem in the semi-finished product, such as similar to the product in fig. 2, it is inconvenient to continue stamping in the next step, and therefore, the stamping forming die provided in this embodiment is to solve the above problem, so as to complete subsequent stamping forming of the target workpiece (i.e., the semi-finished product).
In order to better understand the technical scheme, the technical scheme is described in detail below with reference to the accompanying drawings.
As shown in fig. 1-2, the embodiment of the utility model provides a stamping forming mould, stamping forming mould includes:
the device comprises an upper die 10, wherein the upper die comprises a press block 11 with an up-and-down stroke, and a first driving rod 12 and a second driving rod 13 which are arranged on two sides of the press block 11, driving surfaces 14 are respectively arranged on one sides of the first driving rod 12 and the second driving rod 13 facing each other, and the press block 11 is used for driving a target workpiece to generate elastic deformation and to be in opposite dislocation; and
the lower die 20 comprises a material ejecting block 21, and a first bending die 22 and a second bending die 23 which are slidably arranged on two sides of the material ejecting block 21, wherein an accommodating space for accommodating a target workpiece is defined by the first bending die 22, the second bending die 23 and the material ejecting block 21, and when the first driving rod 12 and the second driving rod 13 move downwards, the driving surface 14 is abutted against the first bending die 22 and the second bending die 23, so that the first bending die 22 and the second bending die 23 are driven to move towards a direction close to the accommodating space to punch the target workpiece.
In the technical solution adopted in this embodiment, the upper die 10 can be driven by the driving assembly to move, so that the pressing block 11, the first driving rod 12 and the second driving rod 13 can move towards or away from the lower die 20, so that the pressing block 11, the first driving lever 12 and the second driving lever 13 have up and down strokes, when the upper die 10 is moved in a direction to approach the lower die 20, the compact 11 is first brought into contact with the target workpiece 40, and applies an action to the target workpiece 40 to elastically deform the target workpiece 40 to make the target workpiece displace in opposite directions, and as the upper die 10 continues to move downward, the driving surface 14 of the first driving rod 12 abuts against the first bending die 22, the driving surface 14 of the second driving rod 13 abuts against the second bending die 23, so that the first bending die 22 and the second bending die 23 both move towards the direction close to the accommodating space, and the first bending die 22 and the second bending die 23 can punch and form the target workpiece 40 in the accommodating space. After the target workpiece 40 is formed, the upper die 10 moves towards the direction far away from the lower die 20, the first bending die 22 and the second bending die 23 are firstly separated from the target workpiece 40, the pressing block 11 is gradually separated from the target workpiece 40, along with the disappearance of the pressure of the pressing block 11 to the target workpiece 40, the target workpiece 40 is reset under the action of elastic force, further, the influence of the internal interference of the target workpiece 40 on stamping is avoided, the stamping forming of the target workpiece 40 can be effectively realized, the quality of the target workpiece 40 after the stamping forming is stable, the production efficiency is improved, the production cost is reduced, the structure is simple, the occupied space is small, and the continuous die stamping device can be applied to most continuous die stamping processes.
Specifically, the upper die 10 may move in a direction close to or away from the lower die 20 in a vertical direction under the driving of the driving assembly, the lower die 20 is stationary in the vertical direction, the driving assembly may be a press machine, or other mechanism capable of driving the upper die 10 to ascend and descend, and in actual use, the driving assembly may be freely selected, and is not limited in this embodiment. The upper mold 10 includes a pressing block 11, a first driving rod 12, and a second driving rod 13, and the pressing block 11, the first driving rod 12, and the second driving rod 13 are arranged in a straight line in the horizontal direction. The shapes of the pressing block 11, the first driving rod 12 and the second driving rod 13 may be a cylinder and a rectangular parallelepiped, which is not limited herein. It should be noted that one end of the press block 11 close to the lower die 20 is provided with a slope to accurately apply a force to the interference portion of the target workpiece 40 to be offset. The pressing block 11 may have a plurality of sub-portions, or a plurality of pressing blocks 11 may be provided so as to apply the urging force corresponding to different interference portions.
The lower mold 20 includes a top block 21, a first bending mold 22 and a second bending mold 23, wherein the top block 21 is located below the pressing block 11 for providing support to the target workpiece 40, and the top block 21 may be a rectangular parallelepiped or a cylinder, which is not limited herein. The first bending die 21 and the second bending die 23 are respectively arranged on two sides of the ejector block 21, and cooperate with the ejector block 21 to form an accommodating space, the accommodating space has an opening facing the pressing block 11, and the target workpiece 40 is placed on the ejector block 21 and extends out of the opening to expose the accommodating space, so that the pressing block 11 can apply an acting force on the target workpiece 40. The first bending die 21 and the second bending die 23 are arranged in a sliding manner, when the first driving rod 12 and the second driving rod 13 descend, the first bending die 21 and the second bending die 23 can abut against the driving surface 14, and along with the continuous descending of the first driving rod 12 and the second driving rod 13, the first bending die 21 and the second bending die 23 move towards the direction close to the accommodating space, so that the volume of the accommodating space is reduced, and the target workpiece 40 in the accommodating space is subjected to extrusion forming.
Further, in the present invention, the stamping forming mold further includes at least two elastic members 30, one elastic member 30 connects the first bending mold 22 and the ejector block 21, the other elastic member 30 connects the second bending mold 23 and the ejector block 21, and when the first driving rod 12 and the second driving rod 13 move upward, the first bending mold 22 and the second bending mold 23 move in a direction away from the accommodating space under the elastic force of the elastic member 30.
In the technical solution adopted in this embodiment, in order to facilitate the return of the first bending die 22 and the second bending die 23 after the target workpiece 40 is formed, the elastic member 30 is provided. It can be understood that the first bending die 22 is connected with the ejector block 21 through an elastic member 30, and the second bending die 23 is connected with the other elastic member 30, and when the first bending die 22 and the second bending die 23 move towards the direction close to the accommodating space, the elastic member 30 is deformed to generate an elastic force; when the external force driving the first bending die 22 and the second bending die 23 to move disappears, that is, the first driving rod 12 is separated from the first bending die 22, and the second driving rod 13 is separated from the second bending die 23, the first bending die 22 and the second bending die 23 respectively move in a direction away from the accommodating space under the elastic force of the corresponding elastic member 30, so that the first bending die 22 and the second bending die 23 are reset. The elastic member 30 may be a spring plate or a spring, and may be selected preferably in specific applications without limitation.
Further, in the present invention, the first bending die 22 and the second bending die 23 are both provided with mounting grooves toward the side of the ejector block 21, one end of the elastic member 30 is connected in the mounting grooves, and the other end is connected to the ejector block 21.
In the technical solution adopted in this embodiment, in order to improve the reliability of the elastic member 30, mounting grooves are provided, and the mounting grooves are provided on the side surfaces of the first bending die 22 and the second bending die 23 facing the ejector block 21, and it can be understood that one mounting groove is provided on each of the first bending die 22 and the second bending die 23 to correspondingly provide the elastic member 30. The mounting groove is provided with a groove bottom and side faces, one end of the elastic piece 30 is fixed at the groove bottom, the other end of the elastic piece is fixed at the material pushing block 21, the side faces can be used for blocking the elastic piece 30, the elastic piece 30 is prevented from being bent during compression, and therefore the reliability of the elastic piece 30 is guaranteed.
Further, in an embodiment of the present invention, the elastic member 30 is a spring.
In the technical scheme adopted by the embodiment, the spring deforms under the action of external force, and the spring can recover the state after the external force is removed.
Further, in an embodiment of the present invention, the first bending die 22 includes:
the body is arranged on one side of the ejector block 21 in a sliding mode, and the mounting groove is formed in the side face, facing the ejector block 21, of the body; a connecting part which is arranged on the body and extends towards the direction close to the upper die 10; and
and the bending part is connected to one end, far away from the body, of the connecting part in a bending way and extends towards the direction close to the accommodating space so as to punch the target workpiece 40.
In the technical scheme adopted by the embodiment, the body is arranged in a sliding manner, the elastic piece 30 is connected with the body and the ejector block 21, the body and the bent part are connected into a whole by the connecting part, the reliability of the structure is improved, and the bent part is used for extruding the target workpiece 40 in the accommodating space.
Further, in an embodiment of the present invention, the driving surface 14 is an inclined surface, and the inclined surface is inclined toward the direction close to the accommodating space.
In the technical scheme adopted in this embodiment, by the inclined surface, when the inclined surface abuts against the first bending die 22, a component force in the horizontal direction can be generated, so that the first bending die 22 and the second bending die 23 can be conveniently driven to move.
Further, in an embodiment of the present invention, the body is provided with a driven surface engaged with the inclined surface, wherein the length of the driven surface is smaller than the length of the inclined surface.
In the technical scheme adopted by the embodiment, the first bending die 22 and the second bending die 23 can be in surface contact when being abutted to the body through the arranged driven surfaces, so that the contact area is increased, and the stability of driving the first bending die 22 and the second bending die 23 to move is provided. In addition, in order to avoid the contact area being too large to drive the first bending die 22 and the second bending die 23 to move, the length of the driven surface is smaller than that of the inclined surface. It should be noted that the length here refers to the linear distance in the oblique direction.
Further, in an embodiment of the present invention, the target workpiece 40 includes a first sub-part 41 and a second sub-part 42 which are arranged in a crossed manner, and the pressing block 11 includes a first sub-pressing block 111 for driving the first sub-part 41 to generate elastic deformation and a second sub-pressing block 112 for driving the second sub-part 42 to generate elastic deformation, so that the first sub-part 41 and the second sub-part 42 are staggered oppositely when being elastically deformed, thereby achieving the punching of the first sub-part 41 and the second sub-part 42.
In the solution adopted in this embodiment, in order to apply the acting force to different interference portions, the target workpiece 40 includes a first sub-part 41 and a second sub-part 42 which are arranged crosswise.
Further, in an embodiment of the present invention, the stamping forming mold further includes a clamping plate, and the first sub-pressing block 111, the second sub-pressing block 112, the first driving rod 12, and the second driving rod 13 are all connected to the clamping plate.
In the technical scheme adopted in this embodiment, in order to facilitate the installation and fixation of the first sub-pressing block 111, the second sub-pressing block 112, the first driving rod 12 and the second driving rod 13, a clamping plate is provided, and the first sub-pressing block 111, the second sub-pressing block 112, the first driving rod 12 and the second driving rod 13 are fixed on the clamping plate, so that the firmness of the overall structure can be improved.
Further, in an embodiment of the present invention, the stamping forming mold further includes a driving assembly, and the clamping plate is connected to the driving assembly to drive the first sub-pressing block 111, the second sub-pressing block 112, the first driving rod 12, and the second driving rod 13 to move up and down under the driving of the driving assembly.
In the technical scheme adopted by the embodiment, one driving assembly can drive the first sub-pressing block 111, the second sub-pressing block 112, the first driving rod 12 and the second driving rod 13 to move simultaneously, so that the structure is simplified.
The above is only the preferred embodiment of the present invention, and the patent scope of the embodiments of the present invention is not limited thereby, and all the equivalent structure changes made by the embodiment of the present invention and the attached drawings or the direct/indirect application in other related technical fields are included in the patent protection scope of the embodiments of the present invention.
Claims (10)
1. The utility model provides a stamping forming mould which characterized in that, stamping forming mould includes:
the upper die comprises a pressing block with an up-and-down stroke, and a first driving rod and a second driving rod which are arranged on two sides of the pressing block, wherein driving surfaces are arranged on one sides of the first driving rod and the second driving rod, which face each other, and the pressing block is used for driving a target workpiece to generate elastic deformation and to be in opposite dislocation; and
the lower die comprises a material ejecting block, a first bending die and a second bending die, the first bending die and the second bending die are arranged on two sides of the material ejecting block in a sliding mode, an accommodating space for accommodating the target workpiece is formed by the first bending die, the second bending die and the material ejecting block in a surrounding mode, and when the first driving rod and the second driving rod move downwards, the driving surface is abutted to the first bending die and the second bending die, so that the first bending die and the second bending die are driven to move towards the direction close to the accommodating space to punch the target workpiece.
2. The stamping and forming die of claim 1, further comprising at least two elastic members, one of the elastic members is connected to the first bending die and the ejector block, the other elastic member is connected to the second bending die and the ejector block, and when the first driving rod and the second driving rod move upward, the first bending die and the second bending die move in a direction away from the accommodating space under the elastic force of the elastic members.
3. The punch forming mold according to claim 2, wherein the first bending die and the second bending die are each provided with a mounting groove on a side thereof facing the ejector block, and one end of the elastic member is connected to the mounting groove while the other end thereof is connected to the ejector block.
4. The punch forming die of claim 3, wherein the resilient member is a spring.
5. The punch forming die of claim 3, wherein the first bending die comprises:
the body is arranged on one side of the material pushing block in a sliding mode, and the mounting groove is formed in the side face, facing the material pushing block, of the body;
the connecting part is arranged on the body and extends towards the direction close to the upper die; and
and the bending part is connected to one end, far away from the body, of the connecting part in a bending manner and extends towards the direction close to the accommodating space so as to punch the target workpiece.
6. The punch forming die of claim 5, wherein the driving surface is a slanted surface, and the slanted surface is slanted toward a direction approaching the accommodating space.
7. The punch forming die of claim 6 wherein the body is provided with a driven surface that engages the chamfer, wherein the length of the driven surface is less than the length of the chamfer.
8. The punch forming die according to any one of claims 1 to 7, wherein the target workpiece includes a first sub-part and a second sub-part which are arranged in a crossing manner, and the pressing block includes a first sub-pressing block for driving the first sub-part to generate elastic deformation and a second sub-pressing block for driving the second sub-part to generate elastic deformation, so that the first sub-part and the second sub-part are staggered oppositely when being elastically deformed, and the first sub-part and the second sub-part are punched.
9. The stamping and forming die of claim 8, further comprising a clamping plate, wherein the first sub-pressing block, the second sub-pressing block, the first driving rod and the second driving rod are connected to the clamping plate.
10. The punch forming die of claim 9, further comprising a driving assembly, wherein the clamping plate is connected to the driving assembly to drive the first sub-pressing block, the second sub-pressing block, the first driving rod and the second driving rod to move up and down under the driving of the driving assembly.
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CN202123075679.5U CN217252103U (en) | 2021-12-08 | 2021-12-08 | Punch forming die |
Applications Claiming Priority (1)
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CN202123075679.5U CN217252103U (en) | 2021-12-08 | 2021-12-08 | Punch forming die |
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