Trimetal composite contact cold header
By designing a three-metal composite contact cold heading machine, the feeding, shearing, and heading of three wires were realized. Copper was used to replace part of the silver material, which solved the problems of low efficiency and high cost in the existing technology, improved production efficiency and reduced raw material costs.
Patent Information
- Application Number
- CN202520084440.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing bimetallic composite contact cold heading machines are inefficient and have high raw material costs, and cannot achieve wire feeding, shearing and heading forming of three wires.
Design a three-metal composite contact cold heading machine, which includes a foot silver wire feeding mechanism, a copper wire feeding mechanism, and a head silver wire feeding mechanism, combined with a pressing mechanism, a shearing mechanism, a bottom mold, and a forming mold, to realize the feeding, shearing, and heading of three wires. Copper is used to replace part of the silver material to reduce costs.
It improves cutting precision, avoids the formation of copper and silver shavings, ensures the accuracy of wire length, prevents the accumulation of cutting rings in the bottom die, improves production continuity, and reduces raw material costs.
Smart Images
Figure CN223684354U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cold header technology field, concretely is a kind of three metal composite contact cold header. BACKGROUND
[0002] Double-metal composite contact cold header is the special equipment for producing various composite material electric appliance contacts.The technology widely used in current composite cold header market is to cut two kinds of metal (for example, silver, copper) wire rod, utilize the surface activity of wire rod new cut-off, through initial upsetting, re-upsetting, make two kinds of metal composite into firm contact.
[0003] Ordinary double-metal composite contact cold header is low in efficiency when using, and raw material cost is higher, cannot realize the wire feeding, shearing and upsetting forming of three wire rods. UTILITY MODEL CONTENTS
[0004] In view of the deficiency of prior art, the utility model provides a kind of three metal composite contact cold header, it has the advantages such as realizing the wire feeding, shearing and upsetting forming of three wire rods, replacing more than 60% silver material with copper material, saves raw material cost without affecting performance, solves the problem of higher raw material cost of ordinary double-metal composite contact cold header.
[0005] The utility model discloses a three metal composite contact cold header, including foot silver wire feeding mechanism, copper wire feeding mechanism and head silver wire feeding mechanism, copper wire feeding mechanism and head silver wire feeding mechanism one end is connected with the line pressing mechanism, the inner chamber of foot silver wire feeding mechanism, copper wire feeding mechanism and head silver wire feeding mechanism is connected with foot silver wire, copper wire and head silver wire respectively, one end of copper wire and head silver wire is connected with double -wire cutter, one side of double -wire cutter is provided with shearing mechanism, one end of foot silver wire is connected with single -wire cutter, one side of single -wire cutter and double -wire cutter is provided with bottom die, one end of bottom die is provided with forming die, the inner chamber of bottom die is provided with bottom die thimble, one side of double -wire cutter is provided with head mould, the inner chamber of bottom die is provided with chip removal mechanism, when installing and adjusting, first foot silver wire, copper wire and head silver wire are connected with foot silver wire feeding mechanism, copper wire feeding mechanism and head silver wire feeding mechanism respectively, judge whether copper wire, head silver wire is with double -wire cutter centering and adjusts, judge whether foot silver wire is with single -wire cutter centering and adjusts, judge whether double -wire cutter, single -wire cutter is with bottom die centering and adjusts, judge whether forming die is with bottom die centering and adjusts, judge whether the movement time of chip removal mechanism fork is appropriate and adjusts, generally when replacing wire material or mould, need to repeat the above process again, three metal contact formation process is that first line pressing mechanism loosens, head silver wire feeding mechanism sends head silver wire to the position, and line pressing mechanism presses material, and under the action of shearing mechanism, double -wire cutter cuts silver material and moves to copper center position, and line pressing mechanism loosens, and copper wire feeding mechanism sends copper wire to the position, and line pressing mechanism presses material, and under the action of shearing mechanism, double -wire cutter cuts copper material and moves to bottom die center position, simultaneously, foot silver wire feeding mechanism sends foot silver wire to the position, and single -wire cutter cuts silver material and moves to bottom die center position, and head mould contacts double -wire cutter and topes part of wire material into bottom die under head mould, and single -wire cutter retreats to the initial position, and forms foot cut ring and realizes contact head predeformation under the joint action of head mould and bottom die thimble, and head mould leaves, and double -wire cutter retreats to the initial position, and forming die is extruded to form contact finished product, and forming die retreats, and bottom die thimble ejects contact from bottom die and falls to the material receiving box, the sleeve cutter of the mechanism adopts and cuts two wire materials, can ensure the precision of cut wire length and wire material will not drop material, adopts foot copper wire and silver wire and first predeformation forms cut ring and guarantees the bonding strength, adopts line pressing mechanism and guarantees that sleeve cutter will not enter wire when cutting wire and retreating, not only can improve shearing accuracy, but also can avoid the formation of copper scrap and silver scrap, adopts chip removal mechanism and ejects cut ring from bottom die in time, prevents cut ring from accumulating in bottom die, and influences the continuity of production.
[0006] The utility model discloses a three metal composite contact cold header, wherein the head mould and bottom die thimble jointly form a cut ring and contact head predeformation.
[0007] The utility model discloses a three metal composite contact cold header, wherein the forming die adopts upsetting mode, and the contact is formed by upsetting of the forming die.
[0008] The utility model discloses a three metal composite contact cold header, wherein the scrap removal mechanism is provided with a fork, and the fork is used in cooperation with the ring cutting and the bottom die.
[0009] The utility model discloses a three metal composite contact cold header, wherein the bottom die is provided with a material receiving box and a waste box outside, and the material receiving box and the waste box are used in cooperation with the contact and the ring cutting respectively.
[0010] The utility model discloses a three metal composite contact cold header, wherein the copper wire and the head silver wire are used in cooperation with the double wire cutting knife, and the foot silver wire is used in cooperation with the single wire cutting knife.
[0011] Compared with the prior art, the utility model has the beneficial effects as follows:
[0012] 1、 the utility model discloses a silver wire and copper wire are sent to cutting knife respectively by the wire feeding mechanism, and the cutting mechanism is cut and moved to the center of the bottom die, and the pre-upsetting is formed to the ring cutting and realizes the pre-deformation of the contact head, and the final upsetting forms the contact finished product, and finally the contact is ejected and discharged by the bottom die ejector pin, and the ring cutting is ejected and discharged from the bottom die by the scrap removal mechanism fork, the sleeve cutting knife of the mechanism can ensure the length precision of the cutting wire and the wire material will not drop, the foot copper wire and silver wire are pre-deformed to form the ring cutting to ensure the bonding strength, the wire pressing mechanism ensures that the sleeve cutting knife will not enter the wire when cutting and returning, which not only can improve the cutting precision, but also can avoid the formation of copper and silver scraps, and the ring cutting is ejected from the bottom die in time by the scrap removal mechanism, which prevents the ring cutting from accumulating in the bottom die and affects the continuity of production. BRIEF DESCRIPTION OF DRAWINGS
[0013] The drawings explained here are used to provide further understanding of the application, and constitute a part of the application, and the illustrative embodiments of the application and the explanation thereof are used to explain the application, and do not constitute improper limitation on the application. In the drawings:
[0014] Figure 1 It is the structure schematic view of the utility model;
[0015] Figure 2 It is the centering structure schematic view of the single wire cutting knife, the double wire cutting knife and the bottom die of the utility model;
[0016] Figure 3 It is the ring cutting and contact head pre-deformation structure schematic view of the utility model;
[0017] Figure 4 It is the contact finished product structure schematic view of the utility model;
[0018] Figure 5The utility model discloses a cut ring and contact blanking structure schematic view.
[0019] In the drawing: 1, copper wire feeding mechanism; 2, head silver wire feeding mechanism; 3, wire pressing mechanism; 4, single wire cutter; 5, chip removal mechanism; 6, foot silver wire feeding mechanism; 7, foot silver wire; 8, copper wire; 9, head silver wire; 10, double wire cutter; 11, shearing mechanism; 12, bottom die; 13, cut ring; 14, contact; 15, forming die; 16, first die; 17, bottom die ejector pin. DETAILED DESCRIPTION
[0020] In the following, several embodiments of the utility model will be disclosed with drawings. For the purpose of clear illustration, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the utility model. That is to say, in some embodiments of the utility model, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be drawn in a simple schematic way in the drawings.
[0021] Please refer to Figures 1-5The utility model discloses a three metal composite contact cold header, including foot silver wire feeding mechanism 6, copper wire feeding mechanism 1 and head silver wire feeding mechanism 2, and one end of copper wire feeding mechanism 1 and head silver wire feeding mechanism 2 is connected with the wire pressing mechanism 3, and the inner chamber of foot silver wire feeding mechanism 6, copper wire feeding mechanism 1 and head silver wire feeding mechanism 2 is connected with foot silver wire 7, copper wire 8 and head silver wire 9 respectively, and one end of copper wire 8 and head silver wire 9 is connected with double -wire cutter 10, one side of double -wire cutter 10 is provided with shearing mechanism 11, one end of foot silver wire 7 is connected with single -wire cutter 4, and one side of single -wire cutter 4 and double -wire cutter 10 is provided with bottom die 12, and one end of bottom die 12 is provided with forming die 15, and the inner chamber of bottom die 12 is provided with bottom die ejector pin 17, one side of double -wire cutter 10 is provided with first pass die 16, and the inner chamber of bottom die 12 is provided with chip removal mechanism 5, when installing and adjusting, first foot silver wire 7, copper wire 8 and head silver wire 9 are threaded into foot silver wire feeding mechanism 6, copper wire feeding mechanism 1 and head silver wire feeding mechanism 2 respectively, whether copper wire 8, head silver wire 9 is with double -wire cutter 10 centering and adjusting, whether foot silver wire 7 is with single -wire cutter 4 centering and adjusting, whether double -wire cutter 10, single -wire cutter 4 is to bottom die 12 centering and adjusting after bottom die 12, whether forming die 15 is with bottom die 12 centering and adjusting, whether the fork movement time of chip removal mechanism 5 is appropriate and adjusting, generally when replacing wire material or mould, need to repeat the above process again, the three metal contact formation process is that first wire pressing mechanism 3 loosens, head silver wire feeding mechanism 2 sends silver wire 9 to the position, and wire pressing mechanism 3 presses material, under the action of shearing mechanism 11, double -wire cutter 10 cuts silver material and moves to copper wire 8 center position, wire pressing mechanism 3 loosens, and copper wire feeding mechanism 1 sends copper wire 8 to the position, and wire pressing mechanism 3 presses material, under the action of shearing mechanism 11, double -wire cutter 10 cuts copper material and moves to bottom die 12 center position, simultaneously, foot silver wire feeding mechanism 6 sends foot silver wire 7 to the position, and single -wire cutter 4 cuts silver material and moves to bottom die 12 center position, and first pass die 16 contacts double -wire cutter 10 and top enters part wire material into bottom die 12, and single -wire cutter 4 retreats to the initial position, under the joint action of first pass die 16 and bottom die ejector pin 17, forms foot cut ring 13 and realizes contact 14 head predeformation, and first pass die 16 leaves, and double -wire cutter 10 retreats to the initial position, and forming die 15 is extruded and forms contact 14 finished product, and forming die 15 retreats, and bottom die ejector pin 17 ejects contact 14 from bottom die 12 and falls to the material receiving box, the mechanism adopts sleeve cutter and cuts two wire materials to ensure the precision of cutting wire length and the wire material will not drop material, adopts foot copper wire and silver wire and first predeformation forms cut ring 13 and guarantees the bonding strength, adopts wire pressing mechanism 3 and guarantees that sleeve cutter will not enter wire when cutting wire and retreating, not only can improve shearing precision, but also can avoid the formation of copper scrap and silver scrap, adopts chip removal mechanism 5 and ejects cut ring 13 from bottom die 12 in time, prevents cut ring 13 from accumulating in bottom die 12, and influences the continuity of production.
[0022] The first die 16 and the bottom die ejector pin 17 jointly form the pre-deformation of the head of the contact 14 and the cut ring 13.
[0023] The forming die 15 adopts the upsetting mode, and the forming die 15 is used for upsetting to form the contact 14.
[0024] The fork is arranged in the chip removal mechanism 5, and the fork is used in cooperation with the cut ring 13 and the bottom die 12.
[0025] The bottom die 12 is externally provided with a material receiving box and a waste box, and the material receiving box and the waste box are used in cooperation with the contact 14 and the cut ring 13 respectively.
[0026] The copper wire 8 and the head silver wire 9 are used in cooperation with the double-wire cutter 10, and the foot silver wire 7 and the single-wire cutter 4 are used in cooperation.
[0027] When the utility model is used: during installation and adjustment, firstly, the foot silver wire 7, the copper wire 8 and the head silver wire 9 are respectively threaded into the foot silver wire feeding mechanism 6, the copper wire feeding mechanism 1 and the head silver wire feeding mechanism 2, whether the copper wire 8 and the head silver wire 9 are centered with the double-wire cutter 10 is judged and adjusted, whether the foot silver wire 7 is centered with the single-wire cutter 4 is judged and adjusted, whether the double-wire cutter 10 and the single-wire cutter 4 are centered with the bottom die 12 after being arranged in the bottom die 12 is judged and adjusted, whether the forming die 15 is centered with the bottom die 12 is judged and adjusted, and whether the fork movement time of the chip removal mechanism 5 is appropriate is judged and adjusted, generally, when the wire material or the die is replaced, the above process needs to be repeated again.
[0028] The three-metal contact forming process is that firstly, the pressing mechanism 3 is loosened, the head silver wire feeding mechanism 2 feeds the head silver wire 9 to the position, the pressing mechanism 3 presses the material, under the action of the shearing mechanism 11, the double-wire cutter 10 cuts the silver material and moves to the center position of the copper wire 8, the pressing mechanism 3 is loosened, the copper wire feeding mechanism 1 feeds the copper wire 8 to the position, the pressing mechanism 3 presses the material, under the action of the shearing mechanism 11, the double-wire cutter 10 cuts the copper material and moves to the center position of the bottom die 12, at the same time, the foot silver wire feeding mechanism 6 feeds the foot silver wire 7 to the position, the single-wire cutter 4 cuts the silver material and moves to the center position of the bottom die 12, the first die 16 contacts the double-wire cutter 10 to top the part of the wire material into the bottom die 12, the single-wire cutter 4 retreats to the initial position, under the joint action of the first die 16 and the bottom die ejector pin 17, the foot cut ring 13 is formed and the pre-deformation of the head of the contact 14 is realized, the first die 16 leaves, the double-wire cutter 10 retreats to the initial position, the forming die 15 is used for upsetting to form the contact 14 product, the forming die 15 retreats, the bottom die ejector pin 17 ejects the contact 14 out of the bottom die 12 and falls into the material receiving box, the fork of the chip removal mechanism 5 ejects the cut ring 13 out of the bottom die 12 and falls into the waste box, the chip removal mechanism 5 retreats to the initial position, and the above completes one working cycle.
[0029] The above merely describes the embodiments of the present application and is not intended to limit the present application. The present application can be changed and modified in various ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.
Claims
1. A three-metal composite contact cold header comprising a foot silver wire feeding mechanism (6), a copper wire feeding mechanism (1) and a head silver wire feeding mechanism (2), characterized in that: One end of the copper wire feeding mechanism (1) and the head silver wire feeding mechanism (2) is connected to a wire pressing mechanism (3). The inner cavities of the foot silver wire feeding mechanism (6), the copper wire feeding mechanism (1), and the head silver wire feeding mechanism (2) are respectively connected to foot silver wire (7), copper wire (8), and head silver wire (9). One end of the copper wire (8) and the head silver wire (9) is connected to a double wire cutter (10). A shearing device is provided on one side of the double wire cutter (10). Mechanism (11), one end of the foot silver wire (7) is connected to a single wire cutter (4), a bottom mold (12) is provided on one side of the single wire cutter (4) and the double wire cutter (10), a forming mold (15) is provided on one end of the bottom mold (12), a bottom mold ejector pin (17) is provided in the inner cavity of the bottom mold (12), a first mold (16) is provided on one side of the double wire cutter (10), and a chip removal mechanism (5) is provided in the inner cavity of the bottom mold (12).
2. The trimetallic composite contact cold heading machine according to claim 1, characterized in that: The first mold (16) and the bottom mold ejector pin (17) work together to form the pre-deformation of the head of the cutting ring (13) and the contact point (14).
3. The trimetallic composite contact cold heading machine according to claim 1, characterized in that: The forming mold (15) is formed by upsetting, and the forming mold (15) forms contact points (14) by upsetting.
4. A tri-metal composite contact cold heading machine according to claim 1, characterized in that: The chip removal mechanism (5) is equipped with a fork, which is used in conjunction with the cutting ring (13) and the bottom mold (12).
5. A tri-metal composite contact cold heading machine according to claim 2, characterized in that: The bottom mold (12) is provided with a receiving box and a waste box on its outside, and the receiving box and the waste box are used in conjunction with the contact point (14) and the cutting ring (13), respectively.
6. A tri-metal composite contact cold heading machine according to claim 1, characterized in that: The copper wire (8) and the head silver wire (9) are used in a pair with the double-wire cutter (10), and the foot silver wire (7) and the single-wire cutter (4) are used in a pair.