CN120055145A - Stamping die and stamping method for special-shaped wiring terminal - Google Patents
Stamping die and stamping method for special-shaped wiring terminal Download PDFInfo
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- CN120055145A CN120055145A CN202510092477.5A CN202510092477A CN120055145A CN 120055145 A CN120055145 A CN 120055145A CN 202510092477 A CN202510092477 A CN 202510092477A CN 120055145 A CN120055145 A CN 120055145A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
本发明属于压制成型技术领域，涉及一种异形接线端子的冲压模具及冲压方法。异形接线端子的冲压模具包括：阴模、底模和阳模；阴模由顶部向下形成有凹陷部，凹陷部的第一部分与异形接线端子的曲面结构的表面形状吻合，凹陷部的第二部分与异形接线端子的平面结构的位置对应且向下凹陷或向下贯通阴模形成承插部；底模包括插合部，插合部的形状与承插部互补以使插合部插入承插部中；阳模与底模可拆卸地固定连接，以将展开体固定于阳模与底模之间形成组合体并使组合体整体压入或整体移出阴模中。本发明的冲压模具和冲压方法，可以对待冲压的展开体定位，防止发生滑动或移位，且脱模过程无需借助工具，避免了产品发生变形，提高了异形接线端子的质量。
The present invention belongs to the technical field of compression molding, and relates to a stamping die and a stamping method for special-shaped terminal blocks. The stamping die for the special-shaped terminal blocks includes: a female die, a bottom die and a male die; the female die is formed with a recessed portion from the top downward, the first part of the recessed portion matches the surface shape of the curved structure of the special-shaped terminal block, the second part of the recessed portion corresponds to the position of the plane structure of the special-shaped terminal block and is recessed downward or passes through the female die downward to form a socket; the bottom die includes an insertion portion, the shape of the insertion portion is complementary to the socket portion so that the insertion portion is inserted into the socket portion; the male die and the bottom die are detachably fixedly connected to fix the unfolded body between the male die and the bottom die to form a combination body and to press the combination body into or out of the female die as a whole. The stamping die and the stamping method of the present invention can position the unfolded body to be stamped to prevent sliding or displacement, and the demoulding process does not require the aid of tools, thereby avoiding deformation of the product and improving the quality of the special-shaped terminal blocks.
Description
Technical Field
The invention belongs to the technical field of compression molding, and particularly relates to a stamping die and a stamping method for a special-shaped wiring terminal.
Background
The structure of the special-shaped wiring terminal used on a certain existing product is shown in fig. 1 a-1 c. The special-shaped wiring terminal is made of brass and is a part for connecting a cable and a product electric connection port. Because of the specificity of the installation position, the front end of the wiring terminal adopts a special-shaped curved surface structure which can be completely attached to the molded surface of a product, and the finished product cannot be directly purchased in the market because of the specificity of the structure.
At present, the special-shaped wiring terminal is pressed and formed by using a mould pressing method. The common pressing mould consists of a female mould and a male mould, the shapes of the female mould and the male mould are complementary and coincide with the shape of the finished product of the special-shaped wiring terminal, and the unfolding body is formed into the structure of the special-shaped wiring terminal through pressing between the female mould and the male mould.
However, the conventional pressing method is simple to operate, but has two problems that (1) the unfolding body cannot be sufficiently positioned during punching, the unfolding body easily slides in the punching process, the final finished product is inclined, the end faces are uneven, the lengths of the two wings are inconsistent, and the like, and (2) after the punching is finished, the formed wiring terminal is difficult to demould (taken out from a female die), and a wedge-shaped tool is used for prying, so that the product is easy to deform, and the product quality is influenced. Based on the two problems, the compression molding of the existing special-shaped wiring terminal needs to be improved.
Disclosure of Invention
Aiming at least one defect in the related art, the invention provides the stamping die and the stamping method for the special-shaped wiring terminal, which can position an unfolding body to be stamped, prevent sliding or displacement, avoid deformation of a product in the demolding process without tools, and improve the quality of the special-shaped wiring terminal.
The first aspect of the invention provides a stamping die for a special-shaped wiring terminal, which is used for pressing an unfolding body after blanking of a thin-wall special-shaped wiring terminal into the special-shaped wiring terminal, wherein the special-shaped wiring terminal comprises a planar structure and a curved surface structure positioned on the periphery of the planar structure, the curved surface structure is bent from the edge of the planar structure to one side, and the stamping die comprises:
The female die is provided with a concave part from the top downwards, a first part of the concave part is matched with the surface shape of the curved surface structure of the special-shaped wiring terminal, and a second part of the concave part corresponds to the position of the plane structure of the special-shaped wiring terminal and is concave downwards or penetrates through the female die downwards to form a socket part;
the bottom die comprises a plugging part, the shape of the plugging part is complementary with that of the socket part so that the plugging part is inserted into the socket part, and when the plugging part is inserted into the socket part, the top surface of the plugging part and the second part of the concave part jointly form a stamping cavity matched with the surface shape of the special-shaped wiring terminal;
The bottom surface of the male die is complementary with the shape of the stamping cavity, and the male die is detachably and fixedly connected with the bottom die so as to fix the unfolding body between the male die and the bottom die to form a combined body and enable the combined body to be integrally pressed into or integrally moved out of the female die.
According to the technical scheme, the bottom die and the female die are formed according to the special structure of the special-shaped wiring terminal, the bottom die can be fixedly connected with the male die and the unfolding body is fixed between the bottom die and the male die to form the combined body, the combined body is integrally pressed into the female die, positioning of the unfolding body in the pressing process is achieved, sliding and shifting of the unfolding body are prevented, the stamping quality of a product is improved, after stamping is completed, the combined body is integrally moved out of the female die, the male die and the bottom die are separated to take out the molded special-shaped wiring terminal, a tool is not required to be used for prying a workpiece, deformation of the special-shaped wiring terminal is avoided, and the qualification rate of the product is improved.
In some embodiments of the first aspect, a positioning hole is formed on the expanding body, a first assembly hole is formed on the top surface of the insertion portion of the bottom die corresponding to the positioning hole, a second assembly hole is formed on the male die corresponding to the first assembly hole, and when the expanding body, the bottom die and the male die form the combined body, the first assembly hole, the positioning hole and the second assembly hole are coaxially arranged to be fixedly connected through a fastener. In this technical scheme, all offered the hole correspondingly on expansion body, die block and the positive mould three, the cooperation fastener is installed, has not only realized the fixed connection of positive mould and die block, has also carried out spacingly to expansion body moreover, can further prevent that the expansion body from taking place to shift.
In some embodiments of the first aspect, a positioning step is formed on the top surface of the insertion portion of the bottom die, and the positioning step cooperates with the first assembly hole to limit the unfolding body, so that the first end of the unfolding body is limited at the first assembly hole through the fastener, and the edge of the second end, far away from the first end, of the unfolding body is limited at the positioning step. In the technical scheme, both ends of the unfolding body are respectively limited at the first assembly hole and the positioning step, a positioning function is provided for the position of the unfolding body when the unfolding body is placed on the bottom die, the placing position of the unfolding body can be more accurately positioned, and the stamping process is prevented from being shifted.
In some embodiments of the first aspect, the bottom die further includes a positioning portion located at an end of the insertion portion that is laterally away from the expansion body, portions of the positioning portion located at both sides of the male die extend upward to form positioning side walls so as to limit one end of the male die between the two positioning side walls, and one side of the female die is opened corresponding to a punching stroke of the bottom die. When the male die is installed, one end of the male die is aligned with the first assembly hole through the second assembly hole for positioning, the other end of the male die is positioned between the two positioning side walls, the accuracy of the male die installation is improved, the male die is ensured not to transversely displace in the stamping process, the stability and accuracy of the stamping process are improved, the stamping error is reduced, and the overall machining efficiency is improved.
In some embodiments of the first aspect, a third assembly hole is formed between the two positioning side walls of the bottom die, and a fourth assembly hole is formed on the male die corresponding to the third assembly hole, and the third assembly hole and the fourth assembly hole are fastened and connected by a fastener. In the technical scheme, the assembly holes are further formed in the positions between the positioning side walls for further fixed installation, so that a more stable installation scheme is provided for the male die and the female die.
A second aspect of the present application provides a method for stamping a special-shaped wiring terminal, the method comprising the steps of:
Placing the unfolding body on the bottom die;
installing a male die on the bottom die, so that an unfolding body is fixed between the bottom die and the male die to form a combined body;
pressing the combined body into a female die as a whole for stamping forming;
Taking the combined body out of the female die integrally;
and disassembling the male die from the bottom die, and taking out the molded workpiece.
In some embodiments of the second aspect, the method further comprises the step of positioning the deployment body when the deployment body is placed on the base mold, aligning the positioning hole of the first end of the deployment body with the first fitting hole on the base mold, and abutting an edge of the second end of the deployment body distal from the first end against the positioning step.
According to the technical scheme, the unfolding body is positioned between the male die and the bottom die to form the combined body by utilizing the installation and fixation of the male die and the bottom die before stamping, the combined body is integrally pressed into the female die in the stamping process, sliding and displacement of the unfolding body are prevented, the combined body is integrally taken out from the female die after stamping is finished, the male die and the bottom die are separated, a workpiece can be taken out, demolding is facilitated, and the quality and the qualification rate of a final special-shaped wiring terminal are improved.
In some embodiments of the second aspect, the step of mounting the male die on the base die after positioning the deployment body further comprises aligning a second mounting hole of the male die with a first mounting hole of the base die, and fastening the combination by inserting a fastener into the second mounting hole, the positioning hole, and the first mounting hole. In this technical scheme, the both ends of expanding the body limit respectively are located first pilot hole department and location step department, provide the locate function to the position of expanding the body when expanding the body and placing on the die block, can more accurately fix a position the position of putting of expanding the body, prevent that the punching press process from taking place to shift, improve punching press precision.
In some embodiments of the second aspect, the step of mounting the male mold on the base mold further comprises positioning one end of the male mold between two positioning sidewalls on the base mold and fastening the combination by inserting a fastener into a fourth mounting hole on the male mold and a third mounting hole on the base mold. In the technical scheme, the positioning side wall arranged on the bottom die can improve the positioning precision and efficiency of the male die, ensure that the male die cannot transversely displace in the stamping process, and improve the stamping precision.
In some embodiments of the second aspect, after the assembly is integrally removed from the female die during the demolding process, the fastener is removed, and the male die is separated from the bottom die, so that the molded special-shaped connecting terminal can be obtained. According to the scheme, through the disassembly design of the bottom die and the male die, in the demolding process, a tool is not required to be used for prying the workpiece, the workpiece can be taken out only by separating the male die from the bottom die, the workpiece is prevented from deforming in the demolding process, and the demolding process is simple and efficient and cannot cause adverse effects on products.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
Fig. 1a is a perspective view of a profiled terminal block;
fig. 1b is a cross-sectional view of a profiled terminal block;
FIG. 1c is a top view of a profiled terminal block;
Fig. 2a is a perspective view of a stamping die of a special-shaped connecting terminal according to an embodiment of the present application;
Fig. 2b is a cross-sectional view of a stamping die for a profiled binding post provided in one embodiment of the application, the cross-sectional line being along the longitudinal axis of the unfolded body;
fig. 2c is a top view of a stamping die for a special-shaped terminal according to an embodiment of the present application;
fig. 3 is an exploded view of a stamping die of a special-shaped terminal according to an embodiment of the present application;
fig. 4 is a schematic structural view of a female die in a stamping die according to an embodiment of the present application;
FIG. 5a is a perspective view of a bottom die of a stamping die according to an embodiment of the present application;
FIG. 5b is a cross-sectional view of a bottom die in a stamping die according to one embodiment of the present application;
FIG. 5c is a top view of a bottom die of a stamping die according to one embodiment of the present application;
FIG. 6 is a perspective view of a male die in a stamping die according to one embodiment of the present application;
FIG. 7a is a cross-sectional view of a combination of a bottom die, an expanding body and a male die in one embodiment of the application;
FIG. 7b is a top view of the combination of the bottom mold, the expansion body and the male mold in one embodiment of the application;
fig. 7c is a perspective view of a combination of a bottom die, an unfolding body and a male die according to one embodiment of the application.
In the figure:
100. The special-shaped wiring terminal comprises a special-shaped wiring terminal body, a 101, a plane structure, a 102, a curved surface structure, a 200, an unfolding body of the special-shaped wiring terminal, 201, a positioning hole, 300, a female die, 310, a concave part, 311, a first part of the concave part, 312, a second part of the concave part, 320, a socket part, 400, a bottom die, 410, a plug-in part, 411, a first assembly hole, 412, a positioning step, 420, a positioning part, 421, a positioning side wall, 422, a third assembly hole, 500, a male die, 501, a second assembly hole, 502, a fourth assembly hole, 600, a fastener and 700.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by those of ordinary skill in the art that the described embodiments of the application can be combined with other embodiments without conflict.
In the description of the present invention, it should be understood that the terms "transverse," "longitudinal," "upper," "lower," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The terms "first," "second," "third," "fourth" 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 defining "a first", "a second", "a third" and a fourth "may explicitly or implicitly include one or more such feature.
The special-shaped wiring terminal is a part for connecting the electric connection port of the cable box product, and is manufactured by pressing an unfolding body after blanking of the thin-wall special-shaped wiring terminal. In particular, fig. 1a to 1c provide schematic structural views of a special-shaped terminal 100, where the special-shaped terminal 100 includes a planar structure 101 and a curved structure 102 located at the periphery of the planar structure 101, and the curved structure 102 is bent from the edge of the planar structure 101 to one side, so as to be capable of completely fitting with the product profile. It can be appreciated that the stamping die and the stamping method provided by the present invention may be applied to stamping processes of other types of thin-wall parts other than the special-shaped connecting terminal 100 shown in fig. 1 a-1 c, as long as the surface shape of the thin-wall part can be divided into a planar structure and a curved structure, and other adjustments can be implemented in the prior art or conventional technical means during the transferring process.
For the special-shaped wiring terminal 100, the application provides a stamping die for the special-shaped wiring terminal, which comprises a female die 300, a bottom die 400 and a male die 500 as shown in fig. 2 a-2 c and fig. 3.
With further reference to fig. 4, the female die 300 is formed with a concave portion 310 from the top to the bottom, a first portion 311 of the concave portion 310 is in fit with the surface shape of the curved surface structure 102 of the special-shaped wiring terminal 100, and a second portion 312 of the concave portion 310 corresponds to the position of the planar structure 101 of the special-shaped wiring terminal 100 and is concave downward or penetrates through the female die 300 downward to form a socket portion 320;
With further reference to fig. 5 a-5 c, the bottom die 400 includes a mating portion 410, the mating portion 410 having a shape complementary to the socket portion 320 such that the mating portion 410 is inserted into the socket portion 320, when the mating portion 410 is inserted into the socket portion 320, the top surface of the mating portion 410 and the second portion 312 of the recess 310 together form a stamping cavity matching the shape of the surface of the profiled terminal 100;
With further reference to fig. 6, the bottom surface of the male die 500 is complementary to the shape of the stamping cavity, and the male die 500 is detachably and fixedly connected to the bottom die 400 to fix the expanding body 200 between the male die 500 and the bottom die 400 to form a combination 700 and to press the combination 700 into or remove the combination from the female die 300 as a whole. Schematic structural diagrams of the assembly 700 formed by the male die 500, the unfolding body 200 and the bottom die 400 are shown in fig. 7 a-7 c.
According to the stamping die provided by the embodiment of the application, the female die structure in the prior art is split according to the special curved surface structure 102 and the plane structure 101 of the special-shaped wiring terminal 100, the pressing surfaces of the split female die 300 and the bottom die 400 correspond to the curved surface structure 102 and the plane structure 101 of the special-shaped wiring terminal 100, the bottom die 400 can be fixedly connected with the male die 500 and the unfolding body 200 is fixed between the two to form the combined body 700, the combined body 700 is integrally pressed into the female die 300, the positioning of the unfolding body 200 is realized in the pressing process, the sliding and the shifting of the unfolding body 200 are prevented, the stamping quality of a product is improved, after the stamping is finished, the combined body 700 is integrally moved out of the female die 300, the male die 500 is detached from the bottom die 400, the demoulding of the special-shaped wiring terminal 100 can be realized without using tools to pry a workpiece, the demoulding process is simple and adverse effects are avoided, and the quality and the qualification rate of the final special-shaped wiring terminal 100 are improved through the two points.
The stamping die provided by the application is improved by combining the special structure of the special-shaped wiring terminal 100, and by the design of the bottom die 400 and the cooperation of the bottom die 400 with the male die 500 and the female die 300, the stamping quality of a workpiece in the stamping process can be improved, the influence of the demolding process on a product can be effectively avoided, the operation is simple and easy to realize, and the quality of a finished product of the special-shaped wiring terminal 100 is obviously improved.
It should be noted that, in the embodiment illustrated in fig. 2 a-3, the female mold 300 is penetrated downward at the second portion 312 of the recess 310, but it is understood that the female mold 300 may be depressed downward at the second portion 312 of the recess 310 without penetrating, so long as the insert portion 410 of the bottom mold is inserted.
In some embodiments, as shown in fig. 3, a positioning hole 201 is formed on the unfolding body 200, a first assembly hole 411 is formed corresponding to the positioning hole 201 on the top surface of the insertion portion 410 of the bottom mold 400, and a second assembly hole 501 is formed corresponding to the first assembly hole 411 on the male mold 500, further referring to fig. 7a, when the unfolding body 200, the bottom mold 400, and the male mold 500 form the combination 700, the first assembly hole 411, the positioning hole 201, and the second assembly hole 501 are coaxially disposed to be fixedly connected by the fastener 600. In this embodiment, the opening holes are formed on the opening body 200, the bottom die 400 and the male die 500, and when the opening holes are installed, the fastener 600 is sequentially inserted into the second assembly hole 501 of the male die 500, the positioning hole 201 of the opening body 200 and the first assembly hole 411 of the bottom die 400, so that not only is the fixing connection between the male die 500 and the bottom die 400 realized, but also the opening body 200 is limited, and the opening body 200 can be further prevented from being displaced.
In some embodiments, a positioning step 412 is further formed on the top surface of the insertion portion 410 of the bottom mold 400, and the positioning step 412 cooperates with the first assembly hole 411 to limit the expansion body 200, such that the first end of the expansion body 200 is limited at the first assembly hole 411 by the fastener 600 and the edge of the second end of the expansion body 200 away from the first end is limited at the positioning step 412. In this embodiment, two ends of the expansion body 200 are respectively limited at the first assembly hole 411 and the positioning step 412, so that a positioning function is provided for the position of the expansion body 200 when the expansion body 200 is placed on the bottom die 400, and the placement position of the expansion body 200 can be more accurately positioned, so as to prevent displacement in the stamping process.
In the above embodiment, when the two longitudinal end edges of the special-shaped wiring terminal 100 are respectively an arc surface and a plane, the first assembly hole 411 on the bottom die 400 is arranged at a position corresponding to the arc surface, and is limited by the hole structure, and the positioning step 412 on the bottom die 400 is arranged at a position corresponding to one end of the plane, so that the planar edge can be abutted to the positioning step to form a stable limiting relationship.
In some embodiments, as shown in fig. 5 a-5 c and fig. 7 a-7 c, the bottom mold 400 further includes a positioning portion 420, the positioning portion 420 is located at one end of the insertion portion 410 away from the expanding body 200 in the transverse direction, portions of the positioning portion 420 located at two sides of the male mold 500 extend upwards to form positioning side walls 421 so as to limit one end of the male mold 500 between the two positioning side walls 421, and one side of the female mold 300 is opened corresponding to the stamping stroke of the bottom mold 400, so as to avoid interference caused by downward displacement of the positioning portion 420 along with the insertion portion 410 during stamping of the bottom mold 400. In the solution of this embodiment, the positioning portion 420 is provided on the bottom die 400, and the positioning side wall 421 is added on the positioning portion 420, so that the positioning accuracy of the male die 500 is enhanced, when the male die 500 is installed, one end of the male die 500 is aligned with the first assembly hole 411 through the second assembly hole 501 to perform positioning, and the other end of the male die 500 is positioned between the two positioning side walls 421, so that the installation accuracy of the male die 500 is improved, the male die 500 is ensured not to be laterally displaced in the punching process, the stability and accuracy of the punching process are improved, the punching error is reduced, and the overall processing efficiency is improved.
In some embodiments, referring further to fig. 5 a-6, a third assembly hole 422 is formed between two positioning sidewalls 421 of the bottom mold 400, and a fourth assembly hole 502 is formed on the male mold 500 corresponding to the third assembly hole 422, and the third assembly hole 422 and the fourth assembly hole 502 are fastened by a fastener 600. In the present embodiment, on the basis that the male die 500 and the bottom die 400 are aligned and fixed through the first assembly hole 411 and the second assembly hole 501, a scheme of aligning and installing the male die 500 and the female die 300 through the third assembly hole 422 and the fourth assembly hole 502 is added at another position, and the alignment and fixed installation at two different positions provides a more stable installation scheme for the male die 500 and the female die 300.
The application also provides a stamping method of the special-shaped wiring terminal, wherein the unfolding body 200 of the special-shaped wiring terminal 100 is stamped and formed by adopting the stamping die according to any embodiment. The stamping method comprises the following steps:
placing the unfolding body 200 on the bottom die 400;
mounting the male die 500 on the bottom die 400, thereby fixing the expansion body 200 between the bottom die 400 and the male die 500 to form a combination 700;
the assembly 700 is pressed into the female die 300 as a whole to be formed by punching;
The assembly 700 is taken out of the female mold 300 integrally;
the male die 500 is detached from the bottom die 400, and the molded workpiece is taken out.
In the stamping method provided in the above embodiment, the above stamping die for the special-shaped terminal is applied, before stamping, the unfolding body 200 is fixed between the male die 500 and the bottom die 400 by means of mounting and fixing, so as to form the assembly 700, thereby realizing positioning of the unfolding body 200, the assembly 700 is integrally pressed into the female die 300 in the stamping process, preventing sliding and displacement of the unfolding body 200, and after stamping, the assembly 700 is integrally moved out of the female die 300, and when the male die 500 and the bottom die 400 are separated, the stamped special-shaped terminal 100 can be taken out, so that demolding is facilitated, workpiece deformation is avoided, and quality and qualification rate of the final special-shaped terminal 100 are improved.
In some embodiments, when the deployment body 200 is placed on the bottom mold 400, the step of positioning the deployment body 200 is further included by aligning the positioning hole 201 of the first end of the deployment body 200 with the first fitting hole 411 on the bottom mold 400 and abutting the edge of the second end of the deployment body 200, which is distal from the first end, against the positioning step 412. In this embodiment, two ends of the expanding body 200 are respectively limited at the first assembly hole 411 and the positioning step 412, so that a positioning function is provided for the position of the expanding body 200 when the expanding body 200 is placed on the bottom die 400, manual operation errors are reduced, the placement position of the expanding body 200 can be more accurately positioned, displacement in the stamping process is prevented, and stamping precision is improved.
In some embodiments, after positioning the expansion body 200 is completed, the step of mounting the male mold 500 on the bottom mold 400 further includes aligning the second assembly hole 501 of the male mold 500 with the first assembly hole 411 of the bottom mold 400, and fastening the combination 700 by inserting the fastener 600 into the second assembly hole 501, the positioning hole 201, and the first assembly hole 411. The fastener 600 is sequentially inserted into the second assembly hole 501 of the male die 500, the positioning hole 201 of the expansion body 200 and the first assembly hole 411 of the bottom die 400, so that not only is the fixed connection between the male die 500 and the bottom die 400 realized, but also the expansion body 200 is limited, and the expansion body 200 can be further prevented from being shifted.
In some embodiments, the step of mounting the male mold 500 on the bottom mold 400 further includes positioning one end of the male mold 500 between two positioning sidewalls 421 on the bottom mold 400 and fastening the assembly 700 by inserting the fastener 600 into the fourth mounting hole 502 on the male mold 500 and the third mounting hole 422 on the bottom mold 400. In the scheme of the embodiment, when the male die 500 is installed, one end of the male die 500 is aligned with the first assembly hole 411 through the second assembly hole 501 to be positioned, and the other end of the male die 500 is positioned between the two positioning side walls 421, so that the installation precision and the assembly efficiency of the male die 500 are improved, the male die 500 is ensured not to be laterally displaced in the stamping process, the stability and the precision of the stamping process are improved, the stamping error is reduced, and the overall machining efficiency is improved.
In some embodiments, after the assembly 700 is integrally removed from the female mold 300 during the demolding process, the fastener 600 is removed, and the male mold 500 is separated from the bottom mold 400, so that the molded profiled connecting terminal 100 is obtained. According to the scheme, the die 400 is matched with the die 500, so that a tool is not required to be utilized to pry the workpiece in the demolding process, the workpiece can be taken out only by separating the die 500 from the die 400, the workpiece is prevented from deforming in the demolding process, and the demolding process is simple and efficient and cannot cause adverse effects on products.
Finally, it should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are only required to be mutually referred.
The foregoing embodiments are only for illustrating the technical scheme of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention may be modified or parts of technical features may be equivalently replaced without departing from the spirit of the technical scheme of the present invention, and the scope of the technical scheme of the present invention is covered by the claims.
Claims (10)
1. The utility model provides a stamping die of dysmorphism binding post for with the expansion body pressure after the unloading of a thin wall class dysmorphism binding post become dysmorphism binding post, dysmorphism binding post includes planar structure and is located planar structure periphery's curved surface structure, curved surface structure by planar structure's edge is crooked to one side, its characterized in that, stamping die includes:
the female die is provided with a concave part from the top downwards, a first part of the concave part is matched with the surface shape of the curved surface structure of the special-shaped wiring terminal, and a second part of the concave part corresponds to the position of the plane structure of the special-shaped wiring terminal and is concave downwards or penetrates through the female die downwards to form a socket part;
The bottom die comprises an inserting portion, the shape of the inserting portion is complementary with that of the socket portion so that the inserting portion can be inserted into the socket portion, and when the inserting portion is inserted into the socket portion, the top surface of the inserting portion and the second portion of the concave portion jointly form a stamping cavity matched with the surface shape of the special-shaped wiring terminal;
The bottom surface of the male die is complementary with the shape of the stamping cavity, and the male die is detachably and fixedly connected with the bottom die so as to fix the unfolding body between the male die and the bottom die to form a combination body and enable the combination body to be integrally pressed into or integrally moved out of the female die.
2. The stamping die of the special-shaped wiring terminal according to claim 1, wherein a positioning hole is formed on the expanding body, a first fitting hole is formed on the top surface of the insertion portion of the bottom die corresponding to the positioning hole, a second fitting hole is formed on the male die corresponding to the first fitting hole, and the first fitting hole, the positioning hole and the second fitting hole are coaxially arranged to be fixedly connected by a fastener when the expanding body, the bottom die and the male die form the combined body.
3. The stamping die of the special-shaped wiring terminal according to claim 2, wherein a positioning step is formed on the top surface of the insertion portion of the bottom die, and the positioning step cooperates with the first assembly hole to limit the expansion body, so that a first end of the expansion body is limited at the first assembly hole through the fastener and an edge of a second end of the expansion body, which is far from the first end, is limited at the positioning step.
4. The stamping die of the special-shaped wiring terminal according to claim 1, wherein the bottom die further comprises a positioning portion, the positioning portion is located at one end of the insertion portion, which is laterally far away from the unfolding body, the portions of the positioning portion located at two sides of the male die extend upwards to form positioning side walls so as to limit one end of the male die between the two positioning side walls, and one side of the female die is opened corresponding to a stamping stroke of the bottom die.
5. The stamping die for the special-shaped wiring terminal according to claim 4, wherein a third fitting hole is formed between the two positioning side walls of the bottom die, a fourth fitting hole is formed on the male die corresponding to the third fitting hole, and the third fitting hole and the fourth fitting hole are fastened by a fastener.
6. A stamping method of a special-shaped wiring terminal, characterized in that the developed body of the special-shaped wiring terminal is stamped and formed by using the stamping die as set forth in any one of claims 1 to 5, the stamping method comprising the steps of:
Placing the unfolding body on the bottom die;
Mounting the male die on the bottom die, thereby fixing the unfolding body between the bottom die and the male die to form a combination;
pressing the combined body into the female die as a whole for punch forming;
integrally removing the combination from the female die;
and disassembling the male die from the bottom die, and taking out the molded workpiece.
7. The stamping method of claim 6, further comprising the step of positioning the unfolded body when the unfolded body is placed on the bottom die, aligning the positioning hole of the first end of the unfolded body with the first assembly hole on the bottom die, and abutting the edge of the second end of the unfolded body, which is far from the first end, against the positioning step.
8. The method of stamping as recited in claim 7, wherein the step of mounting the male die on the bottom die after positioning the unfolded body further comprises aligning the second assembly hole of the male die with the first assembly hole of the bottom die, and fastening the assembled body by inserting fasteners into the second assembly hole, the positioning hole and the first assembly hole.
9. The method according to claim 8, wherein the step of mounting the male die on the bottom die further comprises positioning one end of the male die between two of the positioning side walls on the bottom die, and fastening the assembled body by inserting a fastener into the fourth fitting hole on the male die and the third fitting hole on the bottom die.
10. The method according to claim 9, wherein the molded profiled terminal is obtained by removing the fastener from the male die and separating the male die from the bottom die after the assembly is integrally removed from the female die in the demolding process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510092477.5A CN120055145A (en) | 2025-01-21 | 2025-01-21 | Stamping die and stamping method for special-shaped wiring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510092477.5A CN120055145A (en) | 2025-01-21 | 2025-01-21 | Stamping die and stamping method for special-shaped wiring terminal |
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| Publication Number | Publication Date |
|---|---|
| CN120055145A true CN120055145A (en) | 2025-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510092477.5A Pending CN120055145A (en) | 2025-01-21 | 2025-01-21 | Stamping die and stamping method for special-shaped wiring terminal |
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| CN (1) | CN120055145A (en) |
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