CN213496067U

CN213496067U - Riveting mechanism on silver contact

Info

Publication number: CN213496067U
Application number: CN202022150692.1U
Authority: CN
Inventors: 曾祥云; 谭志勇; 刘崇
Original assignee: Dongguan Tianxi Electronic Organ Co ltd
Current assignee: Dongguan Tianxi Electronic Organ Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-06-22
Anticipated expiration: 2030-09-26

Abstract

The application relates to a silver contact upper riveting mechanism which comprises an upper die and a lower die, wherein a riveting station of the lower die is provided with a feeding assembly, a material supporting assembly and a stamping assembly; the feeding assembly is used for conveying the silver contact to a riveting station; the material supporting component is arranged as a supporting part, the supporting part is used for supporting the silver contact separated from the feeding component, the lower die is provided with a floating component for driving the supporting part to move up and down, and the lower die is provided with a retraction component for driving the supporting part to move close to or far away from the riveting station; and the stamping assembly is used for riveting and fixing the silver contact and the material belt when the material supporting assembly is separated from the riveting station. This application utilizes the pay-off subassembly to carry silver contact to holding in the palm the material subassembly, holds in the palm the material riveting station after the material subassembly is fixed a position silver contact material area shaping hole, and the punching press subassembly is from last down to carry out the riveting fixed, and this structure can realize satisfying specific technology demand to the last riveting operation of silver contact.

Description

Riveting mechanism on silver contact

Technical Field

The invention relates to the technical field of electric contacts, in particular to a riveting mechanism on a silver contact.

Background

The electric contact material is an element which contacts, breaks and connects a circuit by mechanical action in a switching electric appliance and carries current, and in the triggering process, because the resistance of a metal conductor terminal is higher at the triggering moment, sparks are easy to generate, and in order to reduce the contact resistance, a silver contact is fixed at the contact part of the electric contact by adopting a riveting mode through a mould so as to improve the conductivity.

At present, the electric contact adopts the mode of synchronous forming and silver contact riveting in a die of stamping equipment for matching processing, the silver contact generally adopts a lower riveting mode, the silver contact is conveyed to the lower punch position of the die by using a feeding device, the lower punch presses the silver contact into a forming hole of an electric contact plate from bottom to top, and the process requirements of upper silver point riveting and forming matching of the electric contact in the die are difficult to realize.

SUMMERY OF THE UTILITY MODEL

In order to satisfy the technological demand of riveting on the silver contact in the mould, this application provides a riveting mechanism on the silver contact.

The application provides a riveting mechanism adopts following technical scheme on silver contact:

a silver contact upper riveting mechanism comprises an upper die and a lower die, wherein a feeding assembly, a material supporting assembly and a stamping assembly are arranged at a riveting station of the lower die;

the feeding assembly is used for conveying the silver contact to a riveting station;

the material supporting component is arranged as a supporting part, the supporting part is used for supporting the silver contact separated from the feeding component, the lower die is provided with a floating component for driving the supporting part to move up and down, and the lower die is provided with a retraction component for driving the supporting part to move close to or far away from the riveting station;

and the stamping assembly is used for riveting and fixing the silver contact and the material belt when the material supporting assembly is separated from the riveting station.

By adopting the technical scheme, the silver contact arranged on the nail head is conveyed to the bearing piece of the riveting station by utilizing the feeding component, the bearing piece bears the silver contact, when the upper die is pressed downwards, the floating component drives the bearing piece to synchronously move downwards so that the bearing piece positions the silver contact to the forming hole of the material belt, then the retraction component drives the bearing piece to be separated from the riveting station, the silver contact is punched in the forming hole of the material belt from top to bottom by the punching component when the bearing piece is separated from the riveting station, and the silver contact is riveted.

Preferably, the floating component comprises a pressing sleeve and a first return spring, a lower sliding hole which is connected with the pressing sleeve in a vertical sliding mode is formed in one side, located on the riveting station, of the lower die, the bearing piece is connected with the pressing sleeve, and two ends of the first return spring are fixed to the bottom of the pressing sleeve and the bottom of the lower sliding hole respectively.

By adopting the technical scheme, when the upper die moves downwards, the pressing sleeve is pressed into the downward sliding hole, the bearing piece moves downwards along with the pressing sleeve synchronously, the silver contact can be positioned at the position of the forming hole in the material belt, then the retraction assembly is utilized to drive the bearing piece to be separated from the riveting station, the punching assembly rivets the silver contact into the forming hole in the material belt, the silver contact and the material belt are fixed, the riveting operation on the silver contact is completed, the upper die moves upwards again, the first reset spring supports the pressing sleeve to move upwards for resetting, so that the bearing piece is reset to the position connected with the feeding assembly, and the riveting operation for the second time is performed.

Preferably, the retraction part comprises a linkage block and a pushing block, the pressing sleeve is provided with a position withdrawing hole horizontally and slidably connected with the linkage block, a space for the horizontal movement of the linkage block is reserved on the side wall of the pressing sleeve and the side wall of the lower slide hole close to the riveting station, one side of the linkage block extending out of the retreat hole is fixedly connected with a bearing piece, a space for moving up and down is reserved between the bearing piece and the lower die, the push block is positioned at the bottom of the lower slide hole close to the side wall of the riveting station, the push block does not obstruct the up-and-down displacement of the pressing sleeve, the pushing block is positioned below the linkage block, one surface of the pushing block close to the linkage block is arranged in an inclined plane, the bottom of the linkage block close to the side wall of the riveting station is provided with a straight chamfer, the inclined plane is used for being matched with the plane of the straight chamfer, the linkage block moving downwards in a pushing mode moves towards the riveting station in a back-to-back mode, and the linkage block is provided with a reset piece which pushes the linkage block to move and reset towards the riveting station.

By adopting the technical scheme, when the upper die moves downwards, the pressing sleeve is pressed into the lower sliding hole, the linkage block drives the supporting piece to synchronously move downwards along with the pressing sleeve, when the support piece positions the silver contact to the forming hole of the material belt, the plane of the straight chamfer is abutted against the inclined plane of the pushing block, the inclined plane is matched with the plane of the straight chamfer, the linkage block moving downwards continuously is provided with a guiding function, the linkage block moves away from the riveting station in the retreat hole, the support piece is separated from the riveting station along with the linkage block, so that the stamping component can rivet the silver contact on the forming hole of the material belt from top to bottom, after the riveting procedure is completed, the upper die moves upwards, the first reset spring supports the pressing sleeve to extend upwards out of the lower sliding hole, the linkage block and the pushing block are far away from each other and do not block the linkage block to move towards the riveting station, and the reset piece is utilized to support the linkage block to extend out of the retreating hole, so that the bearing piece is reset to the position connected with the feeding assembly again.

Preferably, the piece that resets includes third reset spring and thimble, the link block is seted up in the one side of riveting the station dorsad and is held the chamber with thimble sliding connection, third reset spring's both ends respectively with hold the chamber end fixed with the thimble, the one end that third reset spring was kept away from to the thimble stretches out and holds the chamber, and with the lateral wall slip butt that riveting the station was kept away from to the gliding hole.

By adopting the technical scheme, when the linkage block moves back to the riveting station, the ejector pin is tightly abutted against the side wall of the lower slide hole to compress the third return spring, and the ejector pin goes deep into the accommodating cavity; when the upper die moves upwards, the linkage block moves upwards synchronously along with the pressing sleeve and is far away from the pushing block, and the third return spring is used for supporting the thimble to extend out of the containing cavity to be tightly propped against the side wall of the lower slide hole so as to push the linkage block to move towards the riveting station and complete the reset motion of the bearing piece in the horizontal direction.

Preferably, the opposite side walls of the pressing sleeve and the lower slide hole are provided with slide blocks, and the lower slide hole is provided with a lower slide groove which is connected with the slide blocks in a vertical sliding manner.

Through adopting above-mentioned technical scheme, the slider slides from top to bottom in lower spout inside to inject and press the cover and can only do reciprocating in the sliding hole down, provide the guide effect to pressing the cover.

Preferably, the feeding assembly comprises a feeder with one end connected with the support piece at the riveting station and a vibration sorting disc connected with one end of the feeder far away from the support piece.

Through adopting above-mentioned technical scheme, vibrations are selected separately the dish and are put into the state that the pin fin was put on with silver contact arrangement, arrange in proper order through the feeder and get into the riveting station, and the supporting piece supports the silver contact that breaks away from the feeder.

Preferably, the stamping assembly comprises a stamping die, an expansion die and a second return spring, the stamping die comprises a die body part and a pressing part which are integrally arranged, the lower die is provided with a mounting hole which is in sliding connection with the die body part, the pressing part is positioned above a material belt and a supporting piece of the riveting station, an interval which is displaced up and down is reserved between the pressing part and the lower die, the lower die is provided with a built-in hole for mounting the expansion die, and the expansion die and the pressing part are both positioned on the riveting station.

Through adopting above-mentioned technical scheme, when going up the mould and pushing down, the supporting piece is fixed a position the shaping hole position in material area with silver contact, break away from the riveting station afterwards, the nip of press die mutually supports with the inflation mould, nip is inside the shaping hole in material area is impressed silver contact from the top down, the inflation mould is to stretching out the silver contact one end in material area shaping hole and doing the inflation processing, thereby fix silver contact in the material area, accomplish the last riveting process of silver contact, can satisfy specific technology demand, when going up the mould and moving up, utilize second reset spring to support the press die and shift up and reset to the primary position.

Preferably, the lower die is provided with a bearing block at the riveting station, and the built-in hole penetrates through the bearing block.

Through adopting above-mentioned technical scheme, the material area removes on the pressure-bearing piece, provides supporting role to the material area, and when nip portion was to the punching press of material area, the pressure-bearing piece reduced the deformation in material area to nip portion interact.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the silver contact arranged on the riveting station is conveyed by the feeding assembly, the silver contact is supported by the support piece, when the upper die is pressed downwards, the floating component drives the support piece to synchronously move downwards, then the retracting assembly drives the support piece to be separated from the riveting station, and the silver contact is punched in a forming hole of the material belt by the punching assembly from top to bottom when the support piece is separated from the riveting station;

2. when the upper die moves downwards, the pressing sleeve is pressed into the downward sliding hole, the supporting piece moves downwards synchronously along with the pressing sleeve, the silver contact can be positioned at the position of the forming hole of the material belt, then the retracting component is used for driving the supporting piece to be separated from the riveting station, the stamping component rivets the silver contact into the forming hole of the material belt, and the silver contact and the material belt are fixed, so that the riveting operation on the silver contact is completed;

3. when the upper die moves downwards, the pressing sleeve is pressed into the lower sliding hole, the linkage block drives the bearing piece to synchronously move downwards along with the pressing sleeve, when the bearing piece positions the silver contact to the forming hole of the material belt, the inclined surface provides a guiding effect for the linkage block which continuously moves downwards, the linkage block drives the bearing piece to move away from the riveting station in the inner part of the retreat hole, so that the silver contact is riveted in the forming hole of the material belt from top to bottom by the stamping assembly, and the riveting process is completed.

Drawings

Fig. 1 is a schematic view of the overall structure of a silver contact riveting mechanism in the embodiment;

FIG. 2 is a schematic structural view of a lower die in the present embodiment;

FIG. 3 is a schematic view of a first plane cross-sectional structure of the lower die in the present embodiment;

fig. 4 is a partially enlarged structural view of a portion a in fig. 3;

fig. 5 is a second planar sectional structure diagram of the lower die in the present embodiment;

fig. 6 is a third planar sectional structure diagram of the lower die in the present embodiment.

Description of reference numerals: 1. an upper die; 2. a lower die; 11. riveting stations; 12. a lower slide hole; 121. a lower chute; 13. mounting holes; 14. a built-in hole; 15. a pressure-bearing block; 3. vibrating the sorting tray; 31. a feeder; 4. a support member; 5. a floating member; 51. pressing the sleeve; 511. a retreat hole; 52. a first return spring; 6. a retraction member; 61. a linkage block; 611. straight chamfering; 612. an accommodating chamber; 6121. a third return spring; 6122. a thimble; 62. a pushing block; 621. a bevel; 7. a stamping assembly; 71. stamping a die; 711. a mold body portion; 712. a press-fit portion; 72. expanding the mould; 73. a second return spring; 8. a silver contact.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The utility model provides a riveting mechanism on silver contact, refers to fig. 1 and 2, includes relative last mould 1 and the lower mould 2 that sets up from top to bottom, goes up mould 1 and installs usually in stamping equipment's drift department, and lower mould 2 is installed usually on stamping equipment's board, and lower mould 2 is provided with the riveting station 11 with material area moving path looks coincidence. Lower mould 2 is located riveting station 11 of silver contact 8 and installs the pay-off subassembly, ask material subassembly and punching press subassembly 7, the pay-off subassembly is used for carrying the support material subassembly of riveting station 11 with silver contact 8, ask the material subassembly to bear fixedly to silver contact 8 of riveting station 11, go up mould 1 in the punching press process downwards, ask the material subassembly to fix silver contact 8 to the shaping hole position in material area, punching press subassembly 7 is inside the shaping hole in material area with silver contact 8 impress when asking the material subassembly to break away from riveting station 11, accomplish riveting process on silver contact 8.

The feeding assembly comprises a feeder 31 and a vibrating sorting tray 3, one end of the feeder 31 is located at the riveting station 11, facing one side of the upper die 1, of the lower die 2, the other end of the feeder 31 extends out of the lower die 2 and is connected with the vibrating sorting tray 3, the vibrating sorting tray 3 arranges the silver contacts 8 into a state that nail heads are arranged on the upper portion, the silver contacts 8 are sequentially arranged and fed into the feeder 31, and the feeder 31 sends the silver contacts 8 to the material supporting assembly of the riveting station 11.

The material supporting component is arranged to be a supporting part 4, the supporting part 4 is installed on one surface, facing the upper die 1, of the lower die 2, one end of the supporting part 4 is connected with a discharging part phase of the feeder 31, a U-shaped opening is formed in one end, close to the feeder 31, of the supporting part 4, the feeder 31 conveys the silver contact 8 to the inside of the U-shaped opening, and clamping of the supporting part 4 on the silver contact 8 is achieved.

Referring to fig. 3 and 4, the lower die 2 is provided with a floating component 5 on a side facing the upper die 1, the floating component 5 is used for driving the supporting piece 4 to move up and down, and the floating component 5 comprises a pressing sleeve 51 and a first return spring 52. One side of the lower die 2, which is located at the riveting station 11, is provided with a lower sliding hole 12, a pressing sleeve 51 is slidably connected with the lower sliding hole 12, and one end of the supporting piece 4, which is far away from the riveting station 11, is connected with the pressing sleeve 51. One end of the first return spring 52 is fixedly connected with the hole bottom of the lower sliding hole 12, one end of the first return spring 52, which is far away from the hole bottom of the lower sliding hole 12, is fixedly connected with the pressing sleeve 51, the first return spring 52 supports the top of the pressing sleeve 51 to extend out of the lower sliding hole 12, the support 4 is connected with the feeder 31 at the moment, and a distance of up-and-down displacement is reserved between the support 4 and the lower die 2. When the upper die 1 is pressed downwards, the pressing sleeve 51 is punched into the lower sliding hole 12, the pressing sleeve 51 drives the supporting piece 4 to synchronously move downwards along with the upper die 1, and the silver contact 8 can be accurately positioned at the position of the forming hole of the material belt. When the upper die 1 moves upwards, the first return spring 52 supports the pressing sleeve 51 to move upwards for return.

The pressure sleeve 51 is provided with the drive and holds in the palm piece 4 and moves down the part 6 that contracts of keeping away from riveting station 11 when certain degree on last mould 1, it includes linkage piece 61 and lapse piece 62 to contract the part 6, linkage piece 61 is square setting, the one side of pressure sleeve 51 towards riveting station 11 is seted up and is run through the hole 511 that moves back of relative two sides, linkage piece 61 slides and sets up inside the hole 511 that moves back, the one end that holds in the palm piece 4 and keep away from riveting station 11 is fixed mutually with the top that linkage piece 61 is close to riveting station 11 one side, hold in the interval that reciprocates between holding in the palm piece 4 and the lower mould 2, linkage piece 61 can drive the synchronous up-and-down motion of holding in the piece 4.

A space for the linkage block 61 to move horizontally is reserved between the pressing sleeve 51 and one surface, close to the riveting station 11, of the lower sliding hole 12, one surface, close to the riveting station 11, of the linkage block 61 extends out of the backing hole 511, and the linkage block and one surface, close to the riveting station 11, of the lower sliding hole 12 are abutted to each other. The opposite two side walls of the pressing sleeve 51 and the lower slide hole 12 are fixed with sliding blocks, the lower slide hole 12 is provided with a vertically arranged lower slide groove 121 close to the opposite two side walls of the sliding block, and the lower slide groove 121 and the sliding block are in up-and-down matching sliding connection so as to limit the pressing sleeve 51 to only do up-and-down displacement motion in the lower slide hole 12.

The pushing block 62 is fixed at the bottom of the side wall of the lower sliding hole 12 close to the riveting station 11, one surface of the pushing block 62 back to the riveting station 11 is in sliding contact with the side wall of the pressing sleeve 51 close to the riveting station 11, and the pushing block 62 does not prevent the pressing sleeve 51 from moving up and down in the lower sliding hole 12. The pushing block 62 is located below the linkage block 61, the top surface of the pushing block 62 is an inclined surface 621, the bottom end of the inclined surface 621 inclines downwards back to the riveting station 11, the bottom of one side of the linkage block 61 close to the riveting station 11 is provided with a straight chamfer 611, and the plane of the straight chamfer 611 is parallel to the inclined surface 621. When the upper die 1 is pressed downwards, the pressing sleeve 51 drives the linkage block 61 to move downwards synchronously, after the silver contact 8 is positioned in the forming hole of the material belt by the supporting piece 4, the planes of the inclined plane 621 and the straight chamfer 611 are matched and abutted with each other, the inclined plane 621 pushes the linkage block 61 which moves downwards continuously into the retreat hole 511, and the linkage block 61 drives the supporting piece 4 to move synchronously to separate from the riveting station 11 so as to rivet and fix the silver contact 8 and the material belt by the subsequent punching component 7.

Referring to fig. 3 and 5, the stamping assembly 7 includes a stamping die 71, an expansion die 72 and a second return spring 73, a mounting hole 13 is opened on one side of the lower die 2 facing the upper die 1, the stamping die 71 includes a die body 711 and a press-fit portion 712 which are integrally arranged, the die body 711 and the mounting hole 13 are in sliding fit connection, the press-fit portion 712 is located above the material belt and the support member 4 of the riveting station 11, and a distance of vertical displacement is left between the press-fit portion 712 and the lower die 2. The lower die 2 faces one side of the upper die 1 and is provided with a built-in hole 14 at the riveting station 11, the expansion die 72 is installed inside the built-in hole 14, and the expansion die 72 is vertically aligned with the pressing part 712. After the support member 4 is separated from the riveting station 11, the pressing part 712 presses the silver contact 8 into the forming hole of the material strip by using the upper die 1, and the end part of the silver contact 8 extending out of the forming hole is expanded by the expansion die 72, so that the silver contact 8 and the material strip are riveted and fixed.

Referring to fig. 4, a pressure block 15 is fixed on one side of the lower die 2 facing the upper die 1 and located at the riveting station 11, a built-in hole 14 penetrates through the pressure block 15, and the material strap moves on the pressure block 15 to provide a supporting function for the material strap. When the pressing part 712 presses the material belt, the pressure-bearing block 15 interacts with the pressing part 712 to reduce the deformation of the material belt.

Referring to fig. 3 and 6, after the riveting process is completed on the punching component, the upper die 1 moves upwards, the first return spring 52 supports the pressing sleeve 51 to move upwards and return synchronously, the second return spring 73 supports the punching die 71 to move upwards and return synchronously, and the linkage block 61 moves horizontally and returns towards the riveting station 11 through the return piece in the retreat hole 511. The reset piece comprises a third reset spring 6121 and a thimble 6122, two accommodating cavities 612 are formed in one surface, opposite to the riveting station 11, of the linkage block 61, one end of the third reset spring 6121 is fixed to the cavity bottom of the accommodating cavity 612, the other end of the third reset spring 6121 is fixed to the thimble 6122, the thimble 6122 is in sliding connection with the accommodating cavity 612, one end, far away from the third reset spring 6121, of the thimble 6122 extends out of the accommodating cavity 612 and is abutted against the side wall, far away from the riveting station 11, of the lower slide hole 12. The thimble 6122 and the third return spring 6121 support the linkage block 61 to move towards the riveting station 11, so that the supporting piece 4 moves and returns to the position connected with the feeder 31, and the riveting operation is completed.

The implementation principle of the application is as follows: when the silver contact 8 is riveted, the feeder 31 conveys the silver contact 8 on the nail head to the inside of the U-shaped opening of the supporting piece 4, the upper die 1 is pressed downwards, the pressing sleeve 51 is punched into the lower sliding hole 12, the linkage block 61 drives the supporting piece 4 to synchronously move downwards along with the pressing sleeve 51, and the silver contact 8 is positioned at the position of the material belt forming hole. At this time, the straight chamfer 611 plane of the linkage block 61 abuts against the inclined plane 621 of the pushing block 62, and the inclined plane 621 is matched with the straight chamfer 611 plane to provide a guiding function for the linkage block 61, so that the linkage block 61 drives the support 4 to be separated from the riveting station 11. Then, the silver contact 8 is pressed into the tape forming hole by the pressing portion 712 of the press die 71, and the silver contact 8 protruding out of the tape forming hole is expanded by the expansion die 72, thereby fixing the silver contact 8 to the tape.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a riveting mechanism on silver contact which characterized in that: the riveting die comprises an upper die (1) and a lower die (2), wherein a riveting station (11) of the lower die (2) is provided with a feeding assembly, a material supporting assembly and a stamping assembly (7);

the feeding assembly is used for conveying the silver contact (8) to a riveting station (11);

the material supporting component is arranged as a supporting part (4), the supporting part (4) is used for supporting a silver contact (8) separated from the feeding component, the lower die (2) is provided with a floating component (5) for driving the supporting part (4) to move up and down, and the lower die (2) is provided with a retraction component (6) for driving the supporting part (4) to move close to or far away from the riveting station (11);

and the stamping assembly (7) is used for riveting and fixing the silver contact (8) and the material belt when the material supporting assembly is separated from the riveting station (11).

2. A silver contact riveting mechanism according to claim 1, wherein: the floating component (5) comprises a pressing sleeve (51) and a first return spring (52), the lower die (2) is positioned on one side of the riveting station (11) and provided with a lower sliding hole (12) which is connected with the pressing sleeve (51) in a vertical sliding mode, the supporting piece (4) is connected with the pressing sleeve (51), and two ends of the first return spring (52) are fixed to the bottoms of the pressing sleeve (51) and the lower sliding hole (12) respectively.

3. A silver contact riveting mechanism according to claim 2, wherein: the retraction part (6) comprises a linkage block (61) and a pushing block (62), the pressing sleeve (51) is provided with a retreating hole (511) horizontally and slidably connected with the linkage block (61), the side wall, close to the riveting station (11), of the pressing sleeve (51) and the lower sliding hole (12) is provided with a distance for the linkage block (61) to move horizontally, one side, extending out of the retreating hole (511), of the linkage block (61) is fixedly connected with a supporting piece (4), a distance for moving up and down is reserved between the supporting piece (4) and the lower die (2), the pushing block (62) is located at the bottom, close to the side wall of the riveting station (11), of the lower sliding hole (12), the pushing block (62) does not obstruct the vertical displacement of the pressing sleeve (51), the pushing block (62) is located below the linkage block (61), one side, close to the linkage block (61), of the pushing block (62) is provided with a chamfer (621), the other side, the bottom, close to the side wall of the linkage block (61), is provided with a straight chamfer (611), the inclined plane (621) is used for being matched with the plane of the straight chamfer (611) to push the linkage block (61) moving downwards to move back to the riveting station (11), and the linkage block (61) is provided with a reset piece for pushing the linkage block to move and reset towards the riveting station (11).

4. A silver contact riveting mechanism according to claim 3, wherein: the reset piece comprises a third reset spring (6121) and an ejector pin (6122), one surface, back to the riveting station (11), of the linkage block (61) is provided with an accommodating cavity (612) in sliding connection with the ejector pin (6122), two ends of the third reset spring (6121) are fixed to the cavity bottom of the accommodating cavity (612) and the ejector pin (6122) respectively, one end, far away from the third reset spring (6121), of the ejector pin (6122) extends out of the accommodating cavity (612), and the ejector pin is in sliding abutting connection with the side wall, far away from the riveting station (11), of the lower sliding hole (12).

5. A silver contact riveting mechanism according to claim 3, wherein: the pressing sleeve (51) and the opposite side walls abutted against the lower sliding hole (12) are provided with sliding blocks, and the lower sliding hole (12) is provided with a lower sliding groove (121) which is connected with the sliding blocks in a vertical sliding mode.

6. A silver contact riveting mechanism according to claim 1, wherein: the feeding assembly comprises a feeder (31) and a vibration sorting disc (3), wherein one end of the feeder (31) is connected with the support piece (4) in the riveting station (11), and one end of the vibration sorting disc (3) is far away from the support piece (4) and connected with the feeder (31).

7. A silver contact riveting mechanism according to claim 1, wherein: punching press subassembly (7) include punching press mould (71), inflation mould (72) and second reset spring (73), punching press mould (71) are including integrative mould body portion (711) and nip portion (712) that set up, lower mould (2) set up with mould body portion (711) sliding connection's mounting hole (13), nip portion (712) are located the material area and the supporting piece (4) top of riveting station (11), the interval of upper and lower displacement is left between nip portion (712) and lower mould (2), built-in hole (14) that are used for installing inflation mould (72) are seted up to lower mould (2), inflation mould (72) and nip portion (712) all are located riveting station (11).

8. A silver contact riveting mechanism according to claim 7, wherein: the lower die (2) is located at the riveting station (11) and is provided with a bearing block (15), and the built-in hole (14) penetrates through the bearing block (15).