CN113909750A - Cold welding machine tool for three-layer composite silver contact - Google Patents

Cold welding machine tool for three-layer composite silver contact Download PDF

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Publication number
CN113909750A
CN113909750A CN202111297239.6A CN202111297239A CN113909750A CN 113909750 A CN113909750 A CN 113909750A CN 202111297239 A CN202111297239 A CN 202111297239A CN 113909750 A CN113909750 A CN 113909750A
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CN
China
Prior art keywords
hole
die
rod
silver
die cavity
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Pending
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CN202111297239.6A
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Chinese (zh)
Inventor
韩梅涛
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Wenzhou Yamei Alloy Technology Co ltd
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Wenzhou Yamei Alloy Technology Co ltd
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Application filed by Wenzhou Yamei Alloy Technology Co ltd filed Critical Wenzhou Yamei Alloy Technology Co ltd
Priority to CN202111297239.6A priority Critical patent/CN113909750A/en
Publication of CN113909750A publication Critical patent/CN113909750A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00Apparatus or processes specially adapted for the manufacture of electric switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Forging (AREA)

Abstract

The invention relates to a cold welding machine tool for three-layer composite silver contacts, which is characterized in that: comprises a frame and a driving device, wherein the frame is provided with a base and a discharge port, the base is provided with a silver wire hole, a copper wire hole and a die hole, the die hole is internally provided with a die body, the silver wire hole and the copper wire hole are internally provided with a silver wire and a copper wire, the frame is provided with a cutter which reciprocates between the die hole, the silver wire hole and the copper wire hole, the cutter is provided with a cutter hole for accommodating the silver wire and the copper wire, the die body is provided with a die cavity, the die cavity is internally provided with an annular groove, the die body is provided with a discharge through hole, the frame is provided with a pre-thimble and a final upsetting die, the pre-thimble and the final upsetting die are arranged on the frame through a sliding block, the other end of the die cavity opposite to one end of the pre-thimble is internally provided with a mandril matched with the final upsetting die, the invention provides a cold welding machine tool for a three-layer composite silver contact, which is provided with a pushing assembly at one end of a push rod and has the advantage of convenience in production and good machining quality of the three-layer composite silver contact.

Description

Cold welding machine tool for three-layer composite silver contact
Technical Field
The invention relates to the technical field of cold welding, in particular to a cold welding machine tool for three-layer composite silver contacts.
Background
The silver contact is widely used as the intersection point for mutual separation and contact when the electronic appliance is opened and closed, because the metal conductor terminal is easy to generate instant heating and spark at the contact moment, the contact point is easy to generate oxidation and electrolysis in the multi-frequency process of use, or is made of high polymer metal and is made of copper and silver, so the contact point made of high polymer metal or the point made of same material with enlarged thickness is called as the silver contact, the silver contact on the market is finished by a cold welding process, the cold welding process is a process for diffusing welding materials to the surface of an appliance by applying mechanical force, molecular force or electric force, but when the three-layer composite silver contact is processed, the silver wire and the copper wire are upset and deformed, the outer surface has the condition of inconsistent deformation ratio, so that the processed silver contact is not up to standard, this is wasteful.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the cold welding machine tool for the three-layer composite silver contact, which has the advantage of conveniently producing the three-layer composite silver contact with good machining quality.
The invention provides the following technical scheme for achieving the purpose: the utility model provides a cold welding lathe that is used for compound silver contact of three-layer which characterized in that: the silver wire and copper wire cutting die comprises a frame and a driving device, wherein a base and a discharge hole are arranged on the frame, a silver wire hole, a copper wire hole and a die hole are formed in the base, a die body is arranged in the die hole, a silver wire and a copper wire are arranged in the silver wire hole and the copper wire hole, a cutter with reciprocating motion among the die hole, the silver wire hole and the copper wire hole is arranged on the frame, a cutter hole for containing the silver wire and the copper wire is arranged on the cutter, a die cavity with two ends open is arranged at the center position of the axis of the die body, an annular groove concentric with the die cavity is arranged in the die cavity, an unloading through hole is arranged on the die body, the axis of the unloading through hole is vertical to the axis of the annular groove, the unloading through hole passes through the annular groove, the unloading through hole is arranged outside the die hole, a pre-ejecting pin for pushing the silver wire and the copper wire in the cutter hole into the die cavity and a final upsetting die for compounding the silver wire and the copper wire, the pre-ejector pin and the final upsetting die are arranged on the rack through a sliding block, an ejector rod matched with the pre-ejector pin and the final upsetting die is arranged in the other end, opposite to one end of the pre-ejector pin, of the die cavity, a pushing assembly is arranged at the other end, opposite to one end of the die cavity, of the ejector rod, the pushing assembly pushes the ejector rod to be matched with the pre-ejector pin for the first time to enable the silver wire and the copper wire in the die cavity to be upset and deformed, pre-shaping and primary welding are completed, the pushing assembly pushes the ejector rod for the second time to enable the silver wire and the copper wire in the die cavity to be upset and deformed again, and the pushing assembly is arranged on the rack and pushes the ejector rod to push the silver wire and the copper wire which are subjected to cold pressing and welding in the die cavity out of the die cavity to the direction of the pre-ejector pin to enter the discharge port.
By adopting the technical scheme, the silver wire and the copper wire are fed into the silver wire hole and the copper wire hole, the silver wire and the copper wire with preset lengths are clamped and cut off by the cutter, the silver wire and the copper wire are left in the cutter hole after being cut off and then are fed into the die cavity, the silver wire and the copper wire in the die cavity are upset and deformed by pushing the ejector rod and the pre-ejector pin for the first time by the pushing assembly, the presetting and the primary welding are completed, then the silver wire and the copper wire in the die cavity are upset and deformed again by pushing the ejector rod for the second time by the pushing assembly, the cold-pressing welding is completed, finally the silver wire and the copper wire which are finish the cold-pressing welding in the die cavity are pushed out of the die cavity to the direction of the pre-ejector pin by the unloading assembly to enter the discharge hole, when the silver wire and the copper wire are upset and deformed, the outermost parts of the silver wire and the copper wire are deformed at first and the deformation ratios are inconsistent, and the outermost silver wire and the copper wire can be extruded into the annular groove in the extruding process, and then cutting off the deformed silver wires and copper wires in the annular groove through the discharging assembly, and reserving the middle part with less deformation, thereby producing and processing the silver contact meeting the standard.
Further setting the following steps: the driving device comprises a driving piece, a rotating shaft, a first transmission shaft and a second transmission shaft, the rotating shaft is arranged on the frame, the output end of the driving piece is provided with a driving wheel, one end of the rotating shaft is provided with a driving wheel, the driving wheel is connected with the driving wheel through a driving belt, the first transmission shaft and the second transmission shaft are respectively arranged on the rack through a first mounting rack and a second mounting rack, and is arranged at the other end of the rotating shaft opposite to one end of the driving wheel, the central line of the first driving shaft is vertical to the central line of the rotating shaft, the first transmission shaft and the rotating shaft are in transmission connection through a group of first conical gears meshed with each other, the second transmission shaft is arranged at the other end of the first transmission shaft relative to one end of the first bevel gear, the center line of the second transmission shaft is perpendicular to the center line of the first transmission shaft, and the first transmission shaft and the second transmission shaft are in transmission connection through a group of second bevel gears which are meshed with each other.
By adopting the technical scheme, one driving piece can complete the transmission work, the driving piece is saved, and the arrangement is convenient for production and processing.
Further setting the following steps: the rotating shaft is provided with a first cam which slides in a reciprocating manner along the center line of the die cavity together with the driving sliding block, and the first driving shaft is provided with a second cam which drives the sliding block to slide in a reciprocating manner along the vertical direction of the center line of the die cavity.
Adopt above-mentioned technical scheme, set up like this and guaranteed the motion of sliding block in two directions, simple structure, reasonable in design.
Further setting the following steps: the cutting device is characterized in that the cutter is arranged on the rack through a sliding shaft, the cutter is arranged at one end of the sliding shaft, a first sliding wheel is arranged at the other end of the sliding shaft opposite to the cutting end, a third cam is arranged on the first transmission shaft, the third cam drives the sliding shaft to reciprocate through the matching with the first sliding wheel, and the sliding shaft drives the cutter to sequentially move to a silver wire hole, a copper wire hole and a silver wire hole to cut off silver wires and copper wires with preset lengths.
By adopting the technical scheme, the cutter is arranged to complete three-section cutting of the silver wire, the copper wire and the silver wire, the arrangement of the cutter is reduced, and the cutter is simple in structure and reasonable in design.
Further setting the following steps: the ejector rod is arranged on the rack through a first mounting seat, an ejector block is arranged at the other end of one end of the ejector rod relative to the die cavity, the pushing assembly comprises a first push rod and a second push rod which act on the ejector block, a fourth cam and a fifth cam are arranged on the second transmission shaft, the fourth cam and the fifth cam alternately push the first push rod and the second push rod, a second sliding wheel and a third sliding wheel which are matched with the fourth cam and the fifth cam are arranged at the other end of one end of the first push rod and the other end of the second push rod relative to the ejector block, and the second sliding wheel and the third sliding wheel are connected with the first push rod and the second push rod through a first support and a second support respectively.
By adopting the technical scheme, the arrangement of the first push rod and the second push rod ensures different forces required when the ejector rod is matched with the pre-ejector pin and the final upsetting die, so that the machining process is smoother, the quality of a machined product is ensured, and the arrangement design is reasonable.
Further setting the following steps: the material pushing assembly comprises a swing rod and a third push rod matched with the ejector block, the third push rod is arranged on the rack through a second mounting seat, the third push rod is hinged to the second mounting seat, one end of the third push rod is matched with the ejector block, the third push rod is connected with the swing rod through an elastic piece relative to the other end of one end of the ejector block, the swing rod is arranged on the rack through a connecting rod, one end of the connecting rod is connected with the rack, the other end of the connecting rod, relative to one end of the rack, is hinged to the swing rod, the swing rod is provided with a fourth sliding wheel, and a sixth cam matched with the fourth sliding wheel is arranged on the second transmission shaft.
By adopting the technical scheme, the silver contact which is convenient to push out of the die cavity for processing is arranged, the structure is simple, and the design is reasonable.
Further setting the following steps: the utility model discloses a slide wheel, including base, stopper, movable rod, first driving shaft, second driving shaft, the base is equipped with the piece of unloading with the through-hole looks adaptation of unloading, be equipped with the waste outlet on the base, the waste outlet sets up the below at the through-hole of unloading, it passes through the movable rod setting on the base to unload the piece, the movable rod passes through the supporting seat setting on the base, the movable rod articulates on the supporting seat, it sets up in movable rod one end to unload the piece, establish the spacing piece on the base, be equipped with the spacing hole that supplies the installation of the piece of unloading on the stopper, be equipped with the spring between stopper and the movable rod, the movable rod be equipped with on the other end for the piece one end of unloading with the fifth slide wheel, be equipped with the seventh cam with fifth slide wheel matched with in the first driving shaft.
Adopt above-mentioned technical scheme, set up the waste material of being convenient for to push out in the annular groove like this, simple structure, reasonable in design.
The invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a mold body according to an embodiment of the present invention;
fig. 5 is a schematic sectional view of a mold body according to an embodiment of the invention.
Detailed Description
As shown in fig. 1-5, a cold welding machine tool for three-layer composite silver contacts comprises a frame 3 and a driving device 2, a base 31 and a discharge port 32 are arranged on the frame, a silver wire hole 311, a copper wire hole 312 and a die hole are arranged on the base 31, a die body 1 is arranged in the die hole, a silver wire and a copper wire are arranged in the silver wire hole 311 and the copper wire hole 312, a cutter 4 which reciprocates between the die hole, the silver wire hole 311 and the copper wire hole 312 is arranged on the frame 31, a cutter hole 41 for accommodating the silver wire and the copper wire is arranged on the cutter 4, a die cavity 11 with two open ends is arranged at the center position of the axis of the die body 1, an annular groove 12 concentric with the die cavity 11 is arranged in the die cavity 11, a discharge through hole 13 is arranged on the die body 1, the axis of the discharge through hole 13 is vertical to the axis of the annular groove 12, the discharge through hole 13 passes through the annular groove 12, the discharge through hole 13 is arranged outside the die hole, a pre-thimble 5 for pushing the silver wire and the copper wire in the cutter hole into a die cavity and a final upsetting die 6 for compounding the silver wire and the copper wire are arranged on a frame 3, the pre-thimble 5 and the final upsetting die 6 are arranged on the frame 1 through a sliding block 7, a mandril 8 matched with the pre-thimble 5 and the final upsetting die 6 is arranged in the other end of the die cavity opposite to one end of the pre-thimble 5, a pushing assembly is arranged at the other end of the mandril 8 opposite to one end of the die cavity, the pushing assembly pushes the mandril 8 to be matched with the pre-thimble 6 for the first time to upset and deform the silver wire and the copper wire in the die cavity 11 for completing presetting and primary welding, the pushing assembly pushes the mandril 8 for the second time to enable the silver wire and the copper wire in the die cavity to be upset and deformed again, a pushing assembly is arranged on the frame 3, the pushing assembly pushes the mandril 8 to push the silver wire and the copper wire which are subjected to cold-pressing welding in the die cavity 1 out of the die cavity 11 to the direction of the pre-thimble 6 to enter a discharge hole, the ejector rod 8 is arranged on the machine frame 3 through the first mounting seat 9, the other end of the ejector rod 8 opposite to one end of the die cavity 11 is provided with an ejector block 81, the pushing assembly comprises a first push rod 101 and a second push rod 102 acting on the ejector block 81, the second transmission shaft 24 is provided with a fourth cam 241 and a fifth cam 242, the fourth cam 241 and the fifth cam 242 alternately push the first push rod 101 and the second push rod 102, the other ends of the first push rod 101 and the second push rod 102 opposite to one end of the ejector block are provided with a second sliding wheel 103 and a third sliding wheel 105 matched with the fourth cam 241 and the fifth cam 242, the second sliding wheel 103 and the third sliding wheel 105 are respectively connected with the first push rod and the second push rod through a first bracket 106 and a second bracket 107, the pushing assembly comprises a swinging rod 201 and a third push rod 202 matched with the ejector block 81, the third push rod 202 is arranged on the machine frame 3 through the second mounting seat 203, and the third push rod 202 is hinged on the second mounting seat 203, one end of the third push rod 202 is matched with the top block 81, the other end of the third push rod 202, opposite to one end of the top block 81, is connected with the swing rod 201 through the elastic element 204, the swing rod 201 is arranged on the rack 3 through the connecting rod 205, one end of the connecting rod 205 is connected with the rack 3, the other end of the connecting rod 205, opposite to one end of the rack 3, is hinged with the swing rod 201, the swing rod 201 is provided with a fourth sliding wheel 206, and the second transmission shaft 24 is provided with a sixth cam 243 matched with the fourth sliding wheel 206.
According to the invention, the first push rod pushes the ejector rod 8 to be matched with the pre-ejector pin 6, so that the silver wire and the copper wire in the die cavity 11 are subjected to upsetting deformation to finish pre-shaping and primary welding, and the second push rod pushes the ejector rod 8, so that the silver wire and the copper wire in the die cavity are subjected to upsetting deformation again to finish cold welding.
Further setting the following steps: the driving device 2 comprises a driving part 21, a rotating shaft 22, a first transmission shaft 23 and a second transmission shaft 24, the rotating shaft 22 is arranged on the frame 3, the output end of the driving part 21 is provided with a driving wheel 211, one end of the rotating shaft 22 is provided with a transmission wheel 221, the driving wheel 211 and the transmission wheel 221 are connected through a transmission belt 25, the first transmission shaft 23 and the second transmission shaft 24 are respectively arranged on the frame 3 through a first mounting frame 26 and a second mounting frame 27 and are arranged on the other end of the rotating shaft 22 opposite to one end of the transmission wheel 221, the central line of the first transmission shaft 23 is perpendicular to the central line of the rotating shaft 21, the first transmission shaft 23 and the rotating shaft 21 are in transmission connection through a group of first conical gears 28 which are meshed with each other, the second transmission shaft 24 is arranged on the other end of the first transmission shaft 23 opposite to one end of the first conical gears 28, the central line of the second transmission shaft 24 is perpendicular to the central line of the first transmission shaft 23, the first transmission shaft 23 and the second transmission shaft 24 are in transmission connection through a group of second bevel gears 29 which are meshed with each other, a first cam (not shown) which is in reciprocating sliding with a driving sliding block along the center line of the die cavity is arranged on the rotating shaft 22, a second cam 231 which is in reciprocating sliding with the driving sliding block along the vertical direction of the center line of the die cavity is arranged on the first transmission shaft 23, the cutting knife 4 is arranged on the rack 3 through a sliding shaft 40, the cutting knife 4 is arranged on one end of the sliding shaft 40, a first sliding wheel is arranged on the other end, opposite to the cutting end, of the sliding shaft 40, a third cam 232 is arranged on the first transmission shaft 23, the third cam 232 drives the sliding shaft 40 to reciprocate through matching with the first sliding wheel, and the sliding shaft 40 drives the cutting knife 4 to sequentially move to the silver wire hole 311, the copper wire hole 312 and the silver wire hole 311 to cut off silver wires and copper wires with preset lengths.
Further setting the following steps: be equipped with the piece 30 of unloading with unloading through-hole 13 looks adaptation on the base 31, be equipped with waste outlet 33 on the base 31, waste outlet 33 sets up the below at the through-hole 13 of unloading, the piece 30 of unloading sets up on the base 31 through the movable rod 40, the movable rod 40 passes through the supporting seat 50 and sets up on the base 31, the movable rod 40 articulates on the supporting seat 50, the piece 30 of unloading sets up in movable rod 40 one end, stopper 60 is established on the base 31, be equipped with the spacing hole that supplies the piece 30 of unloading to install on the stopper 60, be equipped with spring 70 between stopper 60 and the movable rod 40, the movable rod 40 is equipped with on the other end for unloading piece 30 one end with fifth pulley 80, be equipped with on the first transmission shaft 23 with the seventh cam 233 with fifth pulley 80 matched with.
In the invention, the silver wire and the copper wire are in clearance fit with the die cavity, namely the diameter of the die cavity is slightly larger than the diameters of the silver wire and the copper wire.
The above is a description of the structure of the present invention, and the cold welding process of the present invention will be explained below
The first step is that the silver wire is fed into the silver wire hole and is advanced by a preset length, the copper wire is fed into the copper wire hole and is advanced by a preset length, and the silver wire, the copper wire and the silver wire are cut off in sequence by a cutter and then are moved to the opening of the die cavity.
Secondly, pre-upsetting and primary welding are carried out, a cutter is aligned with the center line of a die cavity, a sliding block drives a pre-thimble to start to eject three sections of wires in a hole of the counter-cutter into the die cavity, meanwhile, a top rod pushes the pre-thimble and the top rod through a first push rod to jointly apply a jacking force to the wires in the die cavity, a silver wire and a copper wire are upset and deformed, and pre-shaping and primary welding are completed,
and thirdly, forming and welding, wherein the sliding block pushes the pre-ejector pin to withdraw from the die cavity, the final upsetting die is moved at the same time to align the final upsetting die to the die cavity, the sliding block pushes the final upsetting die to move into the die cavity, meanwhile, the second push rod pushes the ejector pin, the silver wire and the copper wire in the die cavity are extruded and deformed again under the bidirectional force action of the final upsetting die and the ejector pin, meanwhile, the silver wire and the copper wire are extruded into the annular groove, and the silver wire and the copper wire are subjected to cold-pressing welding.
And fourthly, demolding, after the cold welding forming is finished, pushing a push rod by a third push rod, cutting off the redundant part extruded into the annular groove while pushing out the welded silver contact by the push rod, and finally feeding the pushed product into a discharge hole.

Claims (7)

1. The utility model provides a cold welding lathe that is used for compound silver contact of three-layer which characterized in that: the silver wire and copper wire cutting die comprises a frame and a driving device, wherein a base and a discharge hole are arranged on the frame, a silver wire hole, a copper wire hole and a die hole are formed in the base, a die body is arranged in the die hole, a silver wire and a copper wire are arranged in the silver wire hole and the copper wire hole, a cutter with reciprocating motion among the die hole, the silver wire hole and the copper wire hole is arranged on the frame, a cutter hole for containing the silver wire and the copper wire is arranged on the cutter, a die cavity with two ends open is arranged at the center position of the axis of the die body, an annular groove concentric with the die cavity is arranged in the die cavity, an unloading through hole is arranged on the die body, the axis of the unloading through hole is vertical to the axis of the annular groove, the unloading through hole passes through the annular groove, the unloading through hole is arranged outside the die hole, a pre-ejecting pin for pushing the silver wire and the copper wire in the cutter hole into the die cavity and a final upsetting die for compounding the silver wire and the copper wire, the pre-ejector pin and the final upsetting die are arranged on the rack through a sliding block, an ejector rod matched with the pre-ejector pin and the final upsetting die is arranged in the other end, opposite to one end of the pre-ejector pin, of the die cavity, a pushing assembly is arranged at the other end, opposite to one end of the die cavity, of the ejector rod, the pushing assembly pushes the ejector rod to be matched with the pre-ejector pin for the first time to enable the silver wire and the copper wire in the die cavity to be upset and deformed, pre-shaping and primary welding are completed, the pushing assembly pushes the ejector rod for the second time to enable the silver wire and the copper wire in the die cavity to be upset and deformed again, and the pushing assembly is arranged on the rack and pushes the ejector rod to push the silver wire and the copper wire which are subjected to cold pressing and welding in the die cavity out of the die cavity to the direction of the pre-ejector pin to enter the discharge port.
2. A cold welding machine for three-layer composite silver contacts according to claim 1, characterized in that: the driving device comprises a driving piece, a rotating shaft, a first transmission shaft and a second transmission shaft, the rotating shaft is arranged on the frame, the output end of the driving piece is provided with a driving wheel, one end of the rotating shaft is provided with a driving wheel, the driving wheel is connected with the driving wheel through a driving belt, the first transmission shaft and the second transmission shaft are respectively arranged on the rack through a first mounting rack and a second mounting rack, and is arranged at the other end of the rotating shaft opposite to one end of the driving wheel, the central line of the first driving shaft is vertical to the central line of the rotating shaft, the first transmission shaft and the rotating shaft are in transmission connection through a group of first conical gears meshed with each other, the second transmission shaft is arranged at the other end of the first transmission shaft relative to one end of the first bevel gear, the center line of the second transmission shaft is perpendicular to the center line of the first transmission shaft, and the first transmission shaft and the second transmission shaft are in transmission connection through a group of second bevel gears which are meshed with each other.
3. A cold welding machine for three-layer composite silver contacts according to claim 2, characterized in that: the rotating shaft is provided with a first cam which slides in a reciprocating manner along the center line of the die cavity together with the driving sliding block, and the first driving shaft is provided with a second cam which drives the sliding block to slide in a reciprocating manner along the vertical direction of the center line of the die cavity.
4. A cold welding machine for three-layer composite silver contacts according to claim 3, characterized in that: the cutting device is characterized in that the cutter is arranged on the rack through a sliding shaft, the cutter is arranged at one end of the sliding shaft, a first sliding wheel is arranged at the other end of the sliding shaft opposite to the cutting end, a third cam is arranged on the first transmission shaft, the third cam drives the sliding shaft to reciprocate through the matching with the first sliding wheel, and the sliding shaft drives the cutter to sequentially move to a silver wire hole, a copper wire hole and a silver wire hole to cut off silver wires and copper wires with preset lengths.
5. A cold welding machine for three-layer composite silver contacts according to claim 4, characterized in that: the ejector rod is arranged on the rack through a first mounting seat, an ejector block is arranged at the other end of one end of the ejector rod relative to the die cavity, the pushing assembly comprises a first push rod and a second push rod which act on the ejector block, a fourth cam and a fifth cam are arranged on the second transmission shaft, the fourth cam and the fifth cam alternately push the first push rod and the second push rod, a second sliding wheel and a third sliding wheel which are matched with the fourth cam and the fifth cam are arranged at the other end of one end of the first push rod and the other end of the second push rod relative to the ejector block, and the second sliding wheel and the third sliding wheel are connected with the first push rod and the second push rod through a first support and a second support respectively.
6. A cold welding machine for three-layer composite silver contacts according to claim 5, characterized in that: the material pushing assembly comprises a swing rod and a third push rod matched with the ejector block, the third push rod is arranged on the rack through a second mounting seat, the third push rod is hinged to the second mounting seat, one end of the third push rod is matched with the ejector block, the third push rod is connected with the swing rod through an elastic piece relative to the other end of one end of the ejector block, the swing rod is arranged on the rack through a connecting rod, one end of the connecting rod is connected with the rack, the other end of the connecting rod, relative to one end of the rack, is hinged to the swing rod, the swing rod is provided with a fourth sliding wheel, and a sixth cam matched with the fourth sliding wheel is arranged on the second transmission shaft.
7. A cold welding machine for three-layer composite silver contacts according to claim 6, characterized in that: the utility model discloses a slide wheel, including base, stopper, movable rod, first driving shaft, second driving shaft, the base is equipped with the piece of unloading with the through-hole looks adaptation of unloading, be equipped with the waste material export on the base, the waste material export sets up the below at the through-hole of unloading, it passes through the movable rod setting on the base to unload the piece, the movable rod passes through the supporting seat setting in the frame, the movable rod articulates on the supporting seat, it sets up in movable rod one end to unload the piece, establish the spacing piece on the base, be equipped with the spacing hole that supplies the installation of the piece of unloading on the stopper, be equipped with the spring between stopper and the movable rod, the movable rod be equipped with on the other end for an one end of unloading with the fifth slide wheel, be equipped with the seventh cam with fifth slide wheel matched with in the first driving shaft.
CN202111297239.6A 2021-11-04 2021-11-04 Cold welding machine tool for three-layer composite silver contact Pending CN113909750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111297239.6A CN113909750A (en) 2021-11-04 2021-11-04 Cold welding machine tool for three-layer composite silver contact

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Application Number Priority Date Filing Date Title
CN202111297239.6A CN113909750A (en) 2021-11-04 2021-11-04 Cold welding machine tool for three-layer composite silver contact

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115091173A (en) * 2022-06-09 2022-09-23 东莞市振亮精密科技有限公司 Hardware shell assembling production system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115091173A (en) * 2022-06-09 2022-09-23 东莞市振亮精密科技有限公司 Hardware shell assembling production system
CN115091173B (en) * 2022-06-09 2023-11-03 东莞市振亮精密科技有限公司 Hardware shell assembling production system

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