CN219541604U - Pier extrusion cold stamping die capable of achieving uniform thickening - Google Patents
Pier extrusion cold stamping die capable of achieving uniform thickening Download PDFInfo
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- CN219541604U CN219541604U CN202320336839.7U CN202320336839U CN219541604U CN 219541604 U CN219541604 U CN 219541604U CN 202320336839 U CN202320336839 U CN 202320336839U CN 219541604 U CN219541604 U CN 219541604U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model provides a pier extrusion cold stamping die for realizing uniform thickening, which comprises a pier extrusion upper die and a pier extrusion lower die; the pier extruding upper die is provided with a pier extruding insert, and the pier extruding lower die is provided with a pier extruding female die at a position corresponding to the pier extruding insert; the pier extruding upper die is provided with pier extruding punches at two sides of the pier extruding and unloading insert, and a punch cavity for the pier extruding punches to be inserted is formed in the position corresponding to the pier extruding punches on the pier extruding female die. The utility model has the advantages that: through pier extrusion and leveling plastic combination, because the material can effectively be guaranteed not to flow to the outer fringe and spill over in the process of pier extrusion in the front, the outer fringe shape of material has been kept effectively, and the outer fringe of material can also be limited in the process of later leveling to guarantee that the material can only flow to the root when leveling the shaping to the material to the leveling drift, thereby the maximum assurance is from the homogeneity of thickness, the effect of even bodiness that realizes well promptly.
Description
[ field of technology ]
The utility model relates to the technical field of cold stamping dies, in particular to a pier extrusion cold stamping die for realizing uniform thickening.
[ background Art ]
A relay is an electronic control device commonly used in automatic control circuits. The armature is an indispensable electronic component in the relay, and the structure of the armature directly influences the use effect of the relay. In some relays, customers require a uniform thickness of a portion of the armature product; although the traditional pier extrusion die can realize the thickening requirement of the thickness of the material, the thickening effect is uneven, and the use requirement of customers cannot be met.
Referring to fig. 1 and 2, a conventional extruding mold 100 'includes an extruding upper mold 1' and an extruding lower mold 2', wherein a stripper insert 3' is disposed on the extruding upper mold 1', a floating material block 4' is disposed on the extruding lower mold 2 'at a position corresponding to the stripper insert 3', and an elastic stripper mechanism 5 'is disposed below the floating material block 4'. The working principle is as follows: in the descending process of the pier extrusion upper die 1', the material 200' is positioned on the stripper insert 3' in advance by the buoyancy elevating material block 4' of the pier extrusion lower die 2 '; the pier extruding upper die 1 'continues to move downwards, in the process, the edge part of the material 200' is extruded by the pier extruding lower die 2', and the edge part of the material 200' can flow in a large proportion to the middle for thickening due to the special shape effect of the stripper insert 3 'and the pier extruding lower die 2', and meanwhile, a small proportion can flow to the outer edge to form waste, so that the purpose of thickening the material is achieved. However, the conventional pier extrusion mold 100' cannot control the flow rate of the material 200' to the outer edge, i.e., the overflow y shown in fig. 2 is unstable, and the upper stripper plate of the pier extrusion upper mold 1' is easy to incline, so that the pier extrusion amount of each sprint of the machine is different, and the overflow is different, so that the processing requirement of uniform thickening cannot be satisfied. In view of the above problems, the present inventors have conducted intensive studies on the problems, and have produced the present utility model.
[ utility model ]
The utility model aims to solve the technical problem of providing a pier extrusion cold stamping die capable of achieving uniform thickening, and solves the problem that the existing pier extrusion die cannot meet the processing requirement of uniform thickening.
The utility model is realized in the following way: a pier extrusion cold stamping die for realizing uniform thickening comprises a pier extrusion upper die and a pier extrusion lower die; the pier extruding upper die is provided with a pier extruding insert, and the pier extruding lower die is provided with a pier extruding female die at a position corresponding to the pier extruding insert; the pier extruding upper die is provided with pier extruding punches at two sides of the pier extruding insert, the lower end of each pier extruding punch is lower than the lower end of the pier extruding insert, and a punch cavity for the pier extruding punch to insert is formed in the pier extruding female die at a position corresponding to the pier extruding punch.
Further, a leveling punch is further arranged on the pier extruding upper die, and the leveling punch is positioned at the next working procedure position of the pier extruding insert; the pier extruding lower die is provided with a leveling female die at a position corresponding to the leveling punch; the pier extruding upper die is characterized in that leveling insert unloading inserts are arranged on two sides of the leveling punch head, the lower end of each leveling insert unloading insert is lower than the lower end of the leveling punch head, and an insert unloading cavity for inserting the leveling insert unloading insert is formed in the leveling female die at the position corresponding to the leveling insert unloading insert.
Further, the pier extruding punch is closely attached to the side wall of the pier extruding insert, and the leveling insert is closely attached to the side wall of the leveling punch.
Further, a first pier extrusion plane is formed in the middle of the bottom surface of the pier extrusion insert, second pier extrusion planes are formed on two sides of the bottom surface of the pier extrusion insert, and the first pier extrusion plane is located at a position lower than the second pier extrusion plane; a first inclined plane is formed between the first upsetting plane and the second upsetting plane.
Further, a first step is arranged in the middle of the top surface of the pier extruding die in an upward protruding mode at a position corresponding to the first pier extruding plane, a second inclined surface which gradually inclines upwards from inside to outside is formed on the top surface of the pier extruding die on two sides of the first step, and the step surface of the first step is located at a position higher than the second inclined surface.
Further, the lower end of the upsetting punch is provided with a first extension part which is inserted into the punch cavity during punching, and a first gap is reserved between the first extension part and the punch cavity; and a third inclined surface is formed above the first extension part on one side of the pier extruding punch, which is close to the pier extruding insert.
Further, the first gap is greater than 0mm and less than 0.01mm.
Further, the middle part of the bottom surface of the leveling punch is provided with a second step in a downward protruding mode, and the top surface of the leveling female die forms a leveling plane between the two insert unloading cavities.
Further, the lower end of the leveling insert unloading die is provided with a second extension part which is inserted into the insert unloading die cavity during stamping, and a second gap is reserved between the second extension part and the insert unloading die cavity; and a fourth inclined surface is formed above the second extension part on one side of the leveling insert close to the leveling punch head.
Further, the second gap is greater than 0mm and less than 0.01mm.
By adopting the technical scheme of the utility model, the utility model has at least the following beneficial effects:
1. in the utility model, a downward pier extrusion mode is adopted, and the pier extrusion upper die provides the material pressing force for extruding the material downwards, so that the positioning effect on the material is better than that of the traditional floating-up material pressing block; most importantly, before upsetting the material, the upsetting punch can limit the outer edge of the material in advance, so that the material is prevented from overflowing outwards in the upsetting process, the material can be reliably extruded to the thickness direction, and uniform thickening of a product is facilitated.
2. Adopting a pier extrusion and leveling shaping mode, after finishing pier extrusion by utilizing the cooperation of a pier extrusion unloading insert and a pier extrusion female die, leveling and shaping the material by adopting the cooperation of a leveling punch and a leveling female die, and simultaneously limiting the outer edge of the material by the leveling unloading insert in advance before leveling and shaping the material, so that the material is prevented from overflowing outwards in the leveling process; through pier extrusion and leveling plastic combination, because the material can effectively be guaranteed not to flow to the outer fringe and spill over in the process of pier extrusion in the front, the outer fringe shape of material has been kept effectively, and the outer fringe of material can also be limited in the process of later leveling to guarantee that the material can only flow to the root when leveling the shaping to the material to the leveling drift, thereby the maximum assurance is from the homogeneity of thickness, the effect of even bodiness that realizes well promptly.
3. The pier extrusion punch penetrates through the upper stripper plate, the stop plate and the fixing plate in sequence, the upper end of the pier extrusion punch is fixedly connected with the upper base plate, and therefore the pier extrusion quantity is pressed by the pier extrusion punch with the upper base plate support, and the problem that the pier extrusion quantity is inconsistent due to the fact that the upper stripper plate is inclined can be effectively solved.
[ description of the drawings ]
The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.
FIG. 1 is a block diagram of a conventional upsetting extrusion die;
FIG. 2 is a block diagram of the stripper insert and the floating riser block of a conventional pier extrusion die in cooperation with pier extrusion;
FIG. 3 is an overall block diagram of the pier extrusion station of the pier extrusion cold stamping die of the present utility model;
FIG. 4 is an overall block diagram of a leveling station of the pier extrusion cold stamping die of the present utility model;
FIG. 5 is a block diagram of a pier extruding insert in accordance with the present utility model;
FIG. 6 is a block diagram of a pier extrusion die in accordance with the present utility model;
FIG. 7 is a block diagram of a upsetting punch in accordance with the present utility model;
FIG. 8 is a block diagram of a leveling insert according to the present utility model;
FIG. 9 is a block diagram of a leveling punch in accordance with the present utility model;
fig. 10 is a structural view of a leveling die in the present utility model.
Reference numerals illustrate:
100' -pier extrusion die, 200' -material, 1' -pier extrusion upper die, 2' -pier extrusion lower die, 3' -stripper insert, 4' -buoyancy elevating block, 5' -elastic stripper mechanism;
100-pier extrusion cold stamping die, 1-pier extrusion upper die, 11-upper die holder, 12-upper base plate, 13-fixed plate, 14-stop plate, 15-upper stripper plate, 2-pier extrusion lower die, 21-lower die holder, 22-lower base plate, 23-concave die plate, 3-pier extrusion insert, 31-first pier extrusion plane, 32-second pier extrusion plane, 33-first inclined plane, 4-pier extrusion die, 41-punch cavity, 42-first step, 43-second inclined plane, 5-pier extrusion punch, 51-first extending part, 52-third inclined plane, 6-leveling punch, 61-second step, 7-leveling die, 71-insert unloading cavity, 72-leveling plane, 8-leveling insert unloading, 81-second extending part and 82-fourth inclined plane.
[ detailed description ] of the utility model
In order to better understand the technical scheme of the present utility model, the following detailed description will refer to the accompanying drawings and specific embodiments.
It should be noted herein that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience in describing these embodiments and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operate in a specific orientation. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature.
Example 1
Referring to fig. 3 to 10, in a preferred embodiment of a pier extrusion cold stamping die 100 for achieving uniform thickening, the pier extrusion cold stamping die 100 includes an upper pier extrusion die 1 and a lower pier extrusion die 2, wherein the upper pier extrusion die 1 can move towards the lower pier extrusion die 2 or away from the lower pier extrusion die 2 under the driving of a driving mechanism (not shown), so as to achieve the stamping pier extrusion function; the driving mechanism is a mechanism which needs to be arranged in the existing stamping die, the specific structure of the driving mechanism is well known to those skilled in the art, and the driving mechanism is not described in detail herein.
The pier extruding upper die 1 is provided with a pier extruding insert 3, and the pier extruding lower die 2 is provided with a pier extruding die 4 at a position corresponding to the pier extruding insert 3 so as to realize pier extruding of materials of electronic components (such as armatures) by utilizing the cooperation of the pier extruding insert 3 and the pier extruding die 4; the pier extruding upper die 1 is provided with pier extruding punch heads 5 at two sides of the pier extruding and unloading insert 3, the lower end of the pier extruding punch heads 5 is lower than the lower end of the pier extruding and unloading insert 3, and a punch head cavity 41 for inserting the pier extruding punch heads 5 is formed in the position corresponding to the pier extruding punch heads 5 on the pier extruding female die 4, when the pier extruding and unloading insert 3 descends to carry out pier extruding on materials, the pier extruding punch heads 5 can limit the outer edges of the materials in advance, and the materials are prevented from overflowing outwards in the pier extruding process.
In the preferred embodiment of the utility model, a leveling punch 6 is further arranged on the pier extruding upper die 1, and the leveling punch 6 is positioned at the next working procedure position of the pier extruding insert 3; that is, the cold stamping die 100 for pier extrusion in the present utility model is a continuous die, and the cold stamping die 100 for pier extrusion is provided with a pier extrusion station and a leveling station at the same time, wherein the pier extrusion station is a previous process position, and the leveling station is a subsequent process position.
The pier extruding lower die 2 is provided with a leveling female die 7 at a position corresponding to the leveling punch 6 so as to level the material by utilizing the cooperation of the leveling punch 6 and the leveling female die 7; the pier extruding upper die 1 is provided with leveling insert unloading 8 on two sides of the leveling punch head 6, the lower end of the leveling insert unloading 8 is lower than the lower end of the leveling punch head 6, and an insert unloading cavity 71 for the leveling insert unloading 8 to be inserted is formed on the leveling female die 7 at the position corresponding to the leveling insert unloading 8, and when the leveling punch head 6 descends to level materials, the leveling insert unloading 8 can limit the outer edge of the materials in advance, so that the materials can not overflow outwards in the leveling process.
By adopting the technical scheme of the utility model, the utility model has at least the following beneficial effects:
1. in the utility model, a downward pier extrusion mode is adopted, and the pier extrusion upper die 1 provides the material pressing force for extruding materials downwards, so that the positioning effect on the materials is better than that of the traditional floating elevating material blocks; most importantly, before upsetting the material, the upsetting punch 5 can limit the outer edge of the material in advance, so that the material is prevented from overflowing outwards in the upsetting process, the material can be reliably extruded to the thickness direction, and uniform thickening of a product is facilitated.
2. After pier extrusion is completed by using the pier extrusion and discharging insert 3 and the pier extrusion die 4 in a matched manner, the material is leveled and shaped by using the leveling punch 6 and the leveling die 7 in a matched manner, and meanwhile, before the material is leveled and shaped, the leveling and discharging insert 8 can limit the outer edge of the material in advance, so that the material is prevented from overflowing outwards in the leveling process; through pier extrusion and leveling plastic combination, because the material can effectively be guaranteed not to flow to the outer fringe and spill over in the process of pier extrusion in the front, the outer fringe shape of material has been kept effectively, and the outer fringe of material can also be limited in the process of later leveling to guarantee that the material can only flow to the root when leveling punch 6 is leveling the plastic to the material, thereby the maximum assurance is from the homogeneity of thickness, the effect of even bodiness that realizes well promptly.
In the preferred embodiment of the present utility model, the pier extruding upper mold 1 includes an upper mold base 11, an upper backing plate 12, a fixing plate 13, a stop plate 14 and an upper stripper plate 15 sequentially disposed from top to bottom, wherein the upper mold base 11, the upper backing plate 12 and the fixing plate 13 are fixedly connected by bolts to form a first main body, the stop plate 14 and the upper stripper plate 15 are fixedly connected by bolts to form a second main body, the first main body and the second main body are connected by a spring assembly (not shown), wherein the spring assembly is a mechanism required to be disposed in the existing stamping mold, and the specific structure thereof is well known to those skilled in the art, and the detailed description of the spring assembly is omitted.
The pier extrusion punch 5 sequentially passes through the upper stripping plate 15, the stop plate 14 and the fixed plate 13, and the upper end of the pier extrusion punch 5 is fixedly connected with the upper base plate 12, so that the pier extrusion amount is pressed by the pier extrusion punch 5 with the upper base plate 12, and the problem that the pier extrusion amount is inconsistent due to the inclination of the upper stripping plate 15 can be effectively solved. The pier extruding insert 3 is fixedly assembled in the upper stripper plate 15, so that the pressing force for extruding the material downwards can be provided through the upper stripper plate 15, and the fixing effect on the material is better.
The leveling punch 6 sequentially passes through the upper stripper plate 15, the stop plate 14 and the fixing plate 13, and the upper end of the leveling punch 6 is fixedly connected with the upper base plate 12, so that a reliable pressing force can be provided for the leveling punch 6 through the upper base plate 12. The leveling insert 8 is fixedly assembled in the upper stripping plate 15, so that the leveling insert 8 is driven to descend through the upper stripping plate 15 to limit the outer edge of a material in advance.
In the preferred embodiment of the present utility model, the upsetting lower die 2 includes a lower die holder 21, a lower backing plate 22 and a die plate 23 sequentially arranged from top to bottom, and the lower die holder 21, the lower backing plate 22 and the die plate 23 are connected by bolts to form a whole; the pier extruding die 4 and the leveling die 7 are both fixed in the die plate 23.
In the preferred embodiment of the utility model, the pier extruding punch 5 is closely attached to the side wall of the pier extruding insert 3, so that the material cannot flow into the gap between the pier extruding punch 5 and the pier extruding insert 3 in the pier extruding process; the leveling insert 8 is tightly attached to the side wall of the leveling punch 6, so that the material cannot flow into a gap between the leveling insert 8 and the leveling punch 6 in the leveling process.
In the preferred embodiment of the present utility model, as shown in fig. 5, a first extruding plane 31 is formed in the middle of the bottom surface of the extruding insert 3, and second extruding planes 32 are formed on both sides of the bottom surface of the extruding insert 3, wherein the first extruding plane 31 is located at a position lower than the second extruding plane 32; a first inclined surface 33 is formed between the first abutment plane 31 and the second abutment plane 32.
The middle part of the top surface of the pier extruding die 4 is provided with a first step 42 in an upward protruding manner at a position corresponding to the first pier extruding plane 31, the top surface of the pier extruding die 4 is provided with a second inclined plane 43 which gradually inclines upward from inside to outside at two sides of the first step 42, and the step surface of the first step 42 is positioned higher than the second inclined plane 43. Through the shape design of the bottom surface of the pier extruding insert 3 and the top surface of the pier extruding die 4, the outer edge of the material can flow to the middle part better in the process of extruding the material by matching the pier extruding insert 3, the pier extruding die 4 and the pier extruding punch 5, thereby being prepared for leveling and shaping better.
In the preferred embodiment of the present utility model, please refer to fig. 7, the lower end of the upsetting punch 5 has a first extension portion 51 inserted into the punch cavity 41 during punching, and a first gap is left between the first extension portion 51 and the punch cavity 41, so that the first extension portion 51 is ensured to be smoothly inserted into the punch cavity 41 or separated from the punch cavity 41, and the material is ensured not to be easy to overflow from the first gap during upsetting; the side of the upsetting punch 5, which is close to the upsetting insert 3, is formed with a third chamfer 52 above the first extension 51, the third chamfer 52 being able to upsetting the outer edge of the material inwards during the downward movement of the upsetting punch 5.
In a preferred embodiment of the utility model, the first gap is greater than 0mm and less than 0.01mm in order to better prevent material from escaping from the first gap during pier extrusion. As a preferred embodiment of the utility model, the first gap is designed to be 0.005mm.
In the preferred embodiment of the present utility model, please refer to fig. 9 and 10, the middle of the bottom surface of the leveling punch 6 is provided with a second step 61 protruding downward, and the top surface of the leveling die 7 forms a leveling plane 72 between the two insert-unloading cavities 71. Through the shape design of the bottom surface of the leveling punch 6 and the top surface of the leveling die 7, in the process of leveling and shaping the upsetting material by matching the leveling punch 6, the leveling die 7 and the leveling unloading insert 8, the original downwards bulged part of the lower surface of the material can be upwards extruded to the middle of the material, the bottom of the shaped material is flat, and meanwhile, the original middle material can be extruded to the upper surface of the material, so that the upper surface part is thickened; in addition, the design of the second step 61 enables the upper surface of the material to better exhibit a step feature.
In the preferred embodiment of the present utility model, please refer to fig. 8, the lower end of the leveling insert 8 has a second extension portion 81 inserted into the insert-unloading cavity 71 during stamping, and a second gap is left between the second extension portion 81 and the insert-unloading cavity 71, so that the second extension portion 81 can be smoothly inserted into the insert-unloading cavity 71 or separated from the insert-unloading cavity 71, and the material is not easy to overflow from the second gap during leveling; a fourth inclined surface 82 is formed on one side of the leveling insert 8, which is close to the leveling punch 6, above the second extension 81, and the fourth inclined surface 82 can press the outer edge of the material inwards during the downward movement of the leveling insert 8.
In a preferred embodiment of the utility model, the second gap is greater than 0mm and less than 0.01mm in order to better prevent material from escaping from the second gap during leveling. As a preferred embodiment of the utility model, the second gap is designed to be 0.005mm.
The overall working principle of the pier extrusion cold stamping die 100 of the utility model is as follows:
the material to be mound extruded is placed on the mound extrusion die 4 or the mound extruded material is placed on the leveling die 7. The pier extrusion upper die 1 descends to drive the pier extrusion unloading insert 3 and the pier extrusion punch 5 to move downwards, and before the pier extrusion punch 5 performs pier extrusion on the material to be subjected to pier extrusion, the first extension part 51 of the pier extrusion punch 5 is inserted into the punch cavity 41, so that the pier extrusion punch 5 can limit the outer edge of the material, and the material is ensured not to overflow outwards; the leveling punch 6 and the leveling insert 8 are driven to move downwards by the same leveling punch 1, and before the leveling punch 6 levels and shapes the material to be leveled, the second extension 81 of the leveling insert 8 is inserted into the insert-unloading cavity 71, so that the leveling insert 8 can limit the outer edge of the material to be leveled, and the material is ensured not to overflow. The pier extruding upper die 1 continuously drives the pier extruding insert 3 and the pier extruding punch 5 to move downwards, the third inclined surface 52 of the pier extruding punch 5 extrudes the outer edge of the material inwards to enable the material to flow inwards, and meanwhile, the first pier extruding plane 31 of the pier extruding insert 3 extrudes downwards from the top of the material, so that under the cooperation of the pier extruding insert 3, the pier extruding female die 4 and the pier extruding punch 5, protruding parts are formed at two ends of the upper surface and two ends of the lower surface of the material for later leveling and shaping; similarly, the pier extruding upper die 1 also continuously drives the leveling insert 8 and the leveling punch 6 to move downwards, the fourth inclined surface 82 of the leveling insert 8 limits the outer edge of the material and enables the material to flow inwards, and meanwhile, the second step 61 of the leveling punch 6 can extrude downwards from the top of the material, so that under the cooperation of the leveling punch 6, the leveling die 7 and the leveling insert 8, the original downwards bulged part of the lower surface of the material can be extruded upwards to the middle of the material, the bottom of the shaped material is smooth, meanwhile, the original middle material can be extruded to the upper surface of the material, the upper surface part is thickened, the uniformity of the thickness can be ensured, and the top of the material can be enabled to present step characteristics under the action of the second step 61.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.
Claims (10)
1. A pier extrusion cold stamping die for realizing uniform thickening comprises a pier extrusion upper die and a pier extrusion lower die; the method is characterized in that: the pier extruding upper die is provided with a pier extruding insert, and the pier extruding lower die is provided with a pier extruding female die at a position corresponding to the pier extruding insert; the pier extruding upper die is provided with pier extruding punches at two sides of the pier extruding insert, the lower end of each pier extruding punch is lower than the lower end of the pier extruding insert, and a punch cavity for the pier extruding punch to insert is formed in the pier extruding female die at a position corresponding to the pier extruding punch.
2. A pier extrusion cold stamping die for achieving uniform thickening as claimed in claim 1, wherein: a leveling punch is further arranged on the pier extruding upper die and is positioned at the next working procedure position of the pier extruding insert; the pier extruding lower die is provided with a leveling female die at a position corresponding to the leveling punch; the pier extruding upper die is characterized in that leveling insert unloading inserts are arranged on two sides of the leveling punch head, the lower end of each leveling insert unloading insert is lower than the lower end of the leveling punch head, and an insert unloading cavity for inserting the leveling insert unloading insert is formed in the leveling female die at the position corresponding to the leveling insert unloading insert.
3. A pier extrusion cold stamping die for achieving uniform thickening as claimed in claim 2, wherein: the pier extruding punch head is closely attached to the side wall of the pier extruding insert, and the leveling insert is closely attached to the side wall of the leveling punch head.
4. A pier extrusion cold stamping die for achieving uniform thickening as claimed in claim 1, wherein: a first pier extrusion plane is formed in the middle of the bottom surface of the pier extrusion insert, second pier extrusion planes are formed on two sides of the bottom surface of the pier extrusion insert, and the first pier extrusion plane is positioned at a position lower than the second pier extrusion plane; a first inclined plane is formed between the first upsetting plane and the second upsetting plane.
5. A pier extrusion cold stamping die for achieving uniform thickening as claimed in claim 4, wherein: the middle part of the top surface of the pier extruding die is provided with a first step in an upward protruding mode at a position corresponding to the first pier extruding plane, the top surface of the pier extruding die is provided with a second inclined surface which is gradually inclined upwards from inside to outside at two sides of the first step, and the step surface of the first step is positioned higher than the second inclined surface.
6. A pier extrusion cold stamping die for achieving uniform thickening as claimed in claim 1, wherein: the lower end of the upsetting punch is provided with a first extension part which is inserted into the punch cavity during punching, and a first gap is reserved between the first extension part and the punch cavity; and a third inclined surface is formed above the first extension part on one side of the pier extruding punch, which is close to the pier extruding insert.
7. The pier extrusion cold stamping die for achieving uniform thickening according to claim 6, wherein: the first gap is greater than 0mm and less than 0.01mm.
8. A pier extrusion cold stamping die for achieving uniform thickening as claimed in claim 2, wherein: the middle part of the bottom surface of the leveling punch head is provided with a second step in a downward protruding mode, and the top surface of the leveling female die forms a leveling plane between the two insert unloading die cavities.
9. A pier extrusion cold stamping die for achieving uniform thickening as claimed in claim 2, wherein: the lower end of the leveling insert unloading die is provided with a second extension part which is inserted into the insert unloading die cavity during stamping, and a second gap is reserved between the second extension part and the insert unloading die cavity; and a fourth inclined surface is formed above the second extension part on one side of the leveling insert close to the leveling punch head.
10. A pier extrusion cold stamping die for achieving uniform thickening as claimed in claim 9, wherein: the second gap is greater than 0mm and less than 0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320336839.7U CN219541604U (en) | 2023-02-28 | 2023-02-28 | Pier extrusion cold stamping die capable of achieving uniform thickening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320336839.7U CN219541604U (en) | 2023-02-28 | 2023-02-28 | Pier extrusion cold stamping die capable of achieving uniform thickening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219541604U true CN219541604U (en) | 2023-08-18 |
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ID=87701483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320336839.7U Active CN219541604U (en) | 2023-02-28 | 2023-02-28 | Pier extrusion cold stamping die capable of achieving uniform thickening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219541604U (en) |
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2023
- 2023-02-28 CN CN202320336839.7U patent/CN219541604U/en active Active
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