Silver contact machining mold convenient to demold

Abstract

The utility model relates to the technical field of moulds, in particular to a processing mould convenient for demoulding for a silver contact, which comprises a mould body and is used for processing and forming the silver contact, the mould body comprises a lower mould assembly, a lower mould assembly and a lower mould assembly, the lower mould assembly comprises a fixed seat arranged on a stamping table, a lower mould seat fixed at the top of the fixed seat and a lower mould head fixed in the lower mould seat; the guide seat is mounted at the upper end of the lower die head; the upper die assembly comprises a mounting seat mounted on the stamping head and an upper die head fixed at the lower end of the mounting seat; the demolding assembly comprises shaft seats fixed to the two sides of the top of the fixed seat, shaft blocks hinged to the upper ends of the shaft seats, supports fixed to the inner ends of the shaft blocks, raised heads fixed to the bottoms of the other ends of the supports, shaft brackets fixed to the outer ends of the shaft seats and air cylinders pivoted to the upper ends of the shaft brackets, and the output ends of the air cylinders are pivoted to the outer ends of the shaft blocks; the shaft block is driven by the output end of the air cylinder to drive the support to turn inwards, the silver contact clamped in the lower die head is pushed downwards through the protruding head, and demolding and discharging are conducted on the silver contact.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mould technical field, concretely is a kind of processing mould for silver contact point with easy demoulding. BACKGROUND

[0002] Silver contact point refers to the intersection of electronic appliances when opening and closing, mutual separation and contact, usually applied to the intersection in contactor, switch, connector, relay, conductive circuit, fulcrum etc..Its feature is to increase the use frequency of conductor, increase contact effect, enhance the performance of conductor.Silver contact point is mainly made of silver, copper, iron, aluminum and other materials, generally needs silver plating, to strengthen the conductive effect and prevent oxidation;

[0003] According to the patent No. CN221817175U, a riveting composite silver contact point mould is disclosed, which includes a lower die and an upper die, a riveting cavity is formed on the upper side of the lower die, and further includes a blanking mechanism, the blanking mechanism includes a through groove formed in the middle section of the lower die, four circumferentially arranged sliding grooves formed in the middle section of the inner bottom end of the riveting cavity, and a sliding block connected to the inner side of each of the four sliding grooves. The technology has the technical effects of "after riveting, the upper die and the lower die are separated, the four splicing modules and the outer side of the contact point are separated at the same time, the contact point can be quickly taken out of the riveting cavity, the contact point is prevented from being stuck in the inner side of the riveting cavity, the connecting column moves upward, the ejector rod moves upward, the lower end of the contact point is lifted by the upper end of the ejector rod, the riveted silver contact point is easily ejected, and automatic blanking is realized".

[0004] The above-mentioned scheme separates the four splicing modules and the outer side of the contact point, so that the contact point can be quickly taken out of the riveting cavity and prevented from being stuck in the inner side of the riveting cavity. However, the splicing between modules requires high matching precision, and if the precision is insufficient, the contact point may deviate during the forming process, and frequent splicing and separation of the modules also accelerate wear. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a processing mould for silver contact point with easy demoulding, which has the characteristics that when the silver contact point after punch forming rubs against the inner wall of the lower die head, causing automatic blanking to be stuck and unable to automatically blank, the output end driving shaft block of the air cylinder drives the bracket to turn inward, and the silver contact point stuck in the lower die head is pushed downward by the convex head to demould and blank; and during the punch forming process, the bracket can turn upward to be nearly vertical, without interfering with the lifting of the upper die assembly.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A processing mold for silver contacts that is easy to demould, including a mold body and used for processing and forming silver contacts, the mold body including:

[0007] The lower die assembly includes a fixed base installed on the punching table, a lower die base fixed on the top of the fixed base, a lower die head fixed inside the lower die base, and a guide base installed on the upper end of the lower die head;

[0008] The upper die assembly includes a mounting base mounted on the punch head and an upper die head fixed at the lower end of the mounting base;

[0009] The demoulding assembly includes an axle seat fixed on both sides of the top of the fixed seat, an axle block hinged at the upper end of the axle seat, a bracket fixed at the inner end of the axle block, a convex head fixed at the bottom of the other end of the bracket, an axle frame fixed at the outer end of the axle seat, a cylinder pivotally connected to the upper end of the axle frame, and the output end of the cylinder is pivotally connected to the outer end of the axle block.

[0010] Preferably, the lower die assembly further includes pads fixed on both sides of the bottom of the guide seat, and the guide seat is fixed to the lower die head through the pads, and a stopper is fixed at the front end of the top of the lower die head.

[0011] Preferably, the lower die assembly further comprises a blanking hole opened in the middle of the fixing seat, and the inclined plate fixed at the lower end of the fixing seat is located directly below the blanking hole.

[0012] Preferably, the mold body further comprises guide rods fixed at both ends of the fixing seat, and the guide rods and the mounting seat are slidably mounted through the guide rods, and a spring is sleeved on the guide rods and located between the fixing seat and the mounting seat.

[0013] Preferably, the lower die head is fixed to the shaft block by bolts, and the convex head is fixed to the bracket by bolts.

[0014] Preferably, the lower end of the convex head is a spherical structure, and a rubber sleeve is fixed on the surface.

[0015] Beneficial effects

[0016] The utility model provides a processing mold for silver contacts that is easy to demould. Compared with the existing technology, it has the following advantages:

[0017] (1) When the silver contacts after stamping generate friction with the inner wall of the lower die head, causing the automatic unloading to be stuck and unable to be unloaded automatically, the output end of the cylinder drives the shaft block to drive the bracket to flip inward, and pushes the silver contacts stuck in the lower die head downward through the convex head to demold them; and during the stamping process, the bracket can be flipped upward to be close to vertical, and will not interfere with the lifting and lowering of the upper die assembly.

[0018] (2) the convex head is fixed on the support through bolts, the support and the convex head can be disassembled, adapted and replaced according to the specifications of the mold; the lower end of the convex head is in a spherical structure, and a rubber sleeve is fixed on the surface of the convex head, so that the convex head is buffered when contacting the silver contact, and damage or deformation of the silver contact is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the stamping of the utility model;

[0020] Figure 2 It is a three-dimensional structure schematic view of the demolding of the utility model;

[0021] Figure 3 It is a structure schematic view of the demolding assembly in the utility model;

[0022] Figure 4 It is a split view of the lower mold assembly in the utility model.

[0023] In the figure: 1, mold body; 11, lower mold assembly; 111, fixed seat; 112, lower mold seat; 113, lower mold head; 114, guide seat; 115, backing plate; 116, stop block; 117, blanking hole; 118, inclined plate; 12, upper mold assembly; 121, mounting seat; 122, upper mold head; 13, demolding assembly; 131, shaft seat; 132, shaft block; 133, support; 134, convex head; 135, shaft support; 136, air cylinder; 14, guide rod; 15, spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figure 1 - Figure 4 The utility model provides a kind of technical solutions: a kind of silver contact is used to process mould of easy demolding, including mold body 1 and for silver contact processing forming, mold body 1 includes:

[0026] Lower mold assembly 11, including fixed seat 111 installed on stamping table, fixed seat 111 top fixed lower mold seat 112, lower mold seat 112 inside fixed lower mold head 113, lower mold head 113 upper end installed guide seat 114;

[0027] The upper die assembly 12 includes a mounting base 121 mounted on the punch head, and an upper die head 122 fixed at the lower end of the mounting base 121;

[0028] The demolding assembly 13 includes an axle seat 131 fixed on both sides of the top of the fixed seat 111, an axle block 132 hinged at the upper end of the axle seat 131, a bracket 133 fixed at the inner end of the axle block 132, a protrusion 134 fixed at the bottom of the other end of the bracket 133, an axle frame 135 fixed at the outer end of the axle seat 131, and a cylinder 136 pivoted at the upper end of the axle frame 135, and the output end of the cylinder 136 is pivoted to the outer end of the axle block 132.

[0029] In this embodiment, when the stamped silver contacts generate friction with the inner wall of the lower die head 113, causing the automatic blanking to get stuck, the shaft block 132 is driven by the output end of the cylinder 136 to drive the bracket 133 to flip inward, and the silver contacts stuck in the lower die head 113 are pushed downward by the protrusion 134 to demold and blank them; and during the stamping process, the bracket 133 can be flipped upward to be close to vertical, and will not interfere with the lifting and lowering of the upper die assembly 12.

[0030] Specifically, the lower die assembly 11 further includes pads 115 fixed on both sides of the bottom of the guide seat 114 , and the guide seat 114 is fixed to the lower die head 113 through the pads 115 , and a stopper 116 is fixed at the front end of the top of the lower die head 113 .

[0031] In this embodiment, the raw material plate can be placed between the two side pads 115 and limited by the stopper 116. The upper die head 122 on the mounting seat 121 is driven downward by the punch head. After the upper die head 122 enters the guide seat 114, the raw material plate is punched and formed by the lower die head 113, and the formed silver contacts automatically fall off and are demolded.

[0032] Specifically, the lower mold assembly 11 further includes a feed hole 117 opened in the middle of the fixing seat 111 , and an inclined plate 118 fixed at the lower end of the fixing seat 111 is located directly below the feed hole 117 .

[0033] In this embodiment, the silver contacts after demoulding can fall into the discharge hole 117 and slide out from the inclined plate 118 .

[0034] Specifically, the mold body 1 further includes guide rods 14 fixed at both ends of the fixing seat 111 , and the guide rods 14 and the mounting seat 121 are slidably installed therethrough. A spring 15 is sleeved on the guide rods 14 and is located between the fixing seat 111 and the mounting seat 121 .

[0035] In this embodiment, when the lower mold assembly 11 and the upper mold assembly 12 are closed, part of the impact force is absorbed by the elasticity of the spring 15; and additional support can be provided for the mold to prevent the mold from being deformed due to uneven force during the stamping process.

[0036] Specifically, the lower die 113 is fixed on the shaft block 132 by bolts, and the convex head 134 is fixed on the bracket 133 by bolts.

[0037] In this embodiment, the bracket 133 and the convex head 134 can be disassembled, adapted and replaced according to the specifications of the mold.

[0038] Specifically, the lower end of the convex head 134 is a spherical structure, and a rubber sleeve is fixed on the surface.

[0039] In this embodiment, the convex head 134 is buffered when it contacts the silver contact, avoiding damage or deformation to the silver contact.

[0040] The working principle and use process of the utility model are as follows: first, the raw material plate can be placed between the two side pads 115, and the raw material plate is limited by the stopper 116, and then the upper die 122 on the mounting seat 121 is driven downward by the punch head, the upper die 122 enters the guide seat 114, and the raw material plate is punched and formed by the lower die 113, and the formed silver contact is automatically dropped and demolded;

[0041] When the silver contact after stamping and forming rubs against the inner wall of the lower die 113, causing automatic unloading to be stuck and unable to automatically unload, the shaft block 132 drives the bracket 133 to turn inward by the output end of the cylinder 136, and the silver contact stuck in the lower die 113 is pushed downward by the convex head 134 to demold and unload; and during the stamping and forming process, the bracket 133 can be turned upward to be nearly vertical, without interfering with the lifting of the upper die assembly 12.

[0042] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A processing mold for silver contact with easy demolding, characterized by: The utility model relates to a silver contact processing die body (1) and a silver contact processing die body (1) are provided, and the silver contact processing die body (1) comprises: Lower die assembly (11), including the fixed seat (111) installed on the stamping table, the fixed seat (111) top fixed lower die seat (112), the lower die seat (112) inside fixed lower die head (113), the lower die head (113) upper end installed guide seat (114); Upper die assembly (12), including the mounting seat (121) installed on the stamping head, the mounting seat (121) lower end fixed upper die head (122); Demoulding assembly (13), including the shaft seat (131) fixed on the both sides of the top of fixed seat (111), the shaft block (132) articulated on the upper end of shaft seat (131), the support (133) fixed in the inner end of shaft block (132), the convex head (134) fixed on the other end bottom of support (133), the shaft frame (135) fixed on the outer end of shaft seat (131), the air cylinder (136) pivoted on the upper end of shaft frame (135), and the air cylinder (136) output end is pivoted with the outer end of shaft block (132).

2. A processing die for silver contacts with easy demolding according to claim 1, characterized in that: The lower die assembly (11) further comprises a gasket (115) fixed on the bottom of the guide seat (114) on both sides, and the guide seat (114) is fixed on the lower die head (113) through the gasket (115), and the lower die head (113) top front end fixed stop block (116).

3. A processing die for silver contacts with easy release, according to claim 1, characterized in that: The lower die assembly (11) further comprises a blanking hole (117) opened in the middle of the fixed seat (111) inside, and the fixed seat (111) lower end fixed inclined plate (118) and located below the blanking hole (117).

4. A processing die for silver contacts with easy release, according to claim 1, characterized in that: The die body (1) further comprises guide rods (14) fixed on both ends of the fixed seat (111), and the guide rods (14) are slidably installed through the mounting seat (121), the spring (15) is installed on the guide rod (14) and located between the fixed seat (111) and the mounting seat (121).

5. A processing die for silver contacts with easy release, according to claim 1, characterized in that: The lower die head (113) is fixed on the shaft block (132) by bolts, and the convex head (134) is fixed on the support (133) by bolts.

6. A processing die for silver contacts with easy release, according to claim 1, characterized in that: The convex head (134) lower end is spherical structure, and a layer of rubber sleeve is fixed on the surface.

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