CN108899730B - Pin processing machine - Google Patents
Pin processing machine Download PDFInfo
- Publication number
- CN108899730B CN108899730B CN201810595044.1A CN201810595044A CN108899730B CN 108899730 B CN108899730 B CN 108899730B CN 201810595044 A CN201810595044 A CN 201810595044A CN 108899730 B CN108899730 B CN 108899730B
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- Prior art keywords
- clamping
- clamping jaw
- pin
- bending
- sliding
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Links
- 238000005452 bending Methods 0.000 claims description 45
- 229910000831 Steel Inorganic materials 0.000 abstract description 29
- 239000010959 steel Substances 0.000 abstract description 29
- 239000011324 bead Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wire Processing (AREA)
Abstract
The invention discloses a pin processing machine, which is provided with a clamping pin system, a cutting pin system and a descending pin system, wherein the cutting pin system is provided with an upper cutter and a lower cutter which can move relatively, the upper cutter is provided with a groove, the lower cutter is provided with a convex edge matched with the groove, the groove is provided with a first perforation perpendicular to the length direction of the groove, and the convex edge is provided with a second perforation which is communicated with the first perforation up and down. The steel wire is vertically inserted into the first perforation and the second perforation, the upper cutter and the lower cutter relatively move, the steel wire is cut off, the end part of the steel wire is provided with the contact pin with three-face chamfer sharp, the contact pin is inserted into a mother piece or other electronic products, the socket of the mother piece or other electronic products can be effectively prevented from being damaged, and therefore, the quality of a finally formed product is ensured.
Description
Technical Field
The invention relates to processing equipment of a PCB (printed Circuit Board) of an electronic product, in particular to processing equipment of a contact pin.
Background
The patent document 201410016951.8 discloses a full-automatic mechanical high-speed pin machine, which cuts steel wires by using a left cutter 42 and a right cutter 43 which move in opposite directions, referring to fig. 8 of the patent document 201410016951.8. The steel wire cut by the left cutter 42 and the right cutter 43 is left and right chamfer-shaped, and overflows from the front side and the rear side, so that the maximum radial dimension of the end part of the steel wire is larger than that of the steel wire body, and the chamfer angles of the left and right steel needles are opposite to those of the metal card chamfer angles in the female terminal inserted by the steel wire, and when the contact pin products and the female terminal are assembled, the metal card angles in the female terminal socket can be damaged, and the products are scrapped.
Disclosure of Invention
The technical problems solved by the invention are as follows: the end of the cut pin is pointed.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a contact pin processing machine, is equipped with centre gripping contact pin system, cuts off contact pin system, descending contact pin system, it is equipped with cutter and lower cutter that can relative movement to cut off contact pin system, upward the cutter be equipped with the recess, lower cutter be equipped with recess complex bead, the recess be equipped with recess length direction vertically first perforation, the bead is equipped with the second perforation of first perforation upper and lower intercommunication.
According to the technical scheme, the steel wire is vertically inserted into the first perforation and the second perforation, the upper cutter and the lower cutter perform horizontal relative movement, the relative movement is unidirectional (left or right) linear movement, the steel wire is cut off, the front side and the rear side of the top end of the steel wire positioned below are cut into chamfer shapes, the left side or the right side of the top end of the steel wire is molded into chamfer shapes, and therefore, three sides of the top end of the steel wire are chamfer shapes, and the top end of the steel wire is sharp.
When the pin processing machine operates, the steel wire passes through the upper cutter and the lower cutter from top to bottom, the clamping pin system clamps the steel wire part below the lower cutter, the power system of the cutting pin system drives the upper cutter and the lower cutter to move relatively, the steel wire is cut off, and the steel wire part below the upper cutter is the pin. The downward contact pin system drives the clamping contact pin system to move downward, and then the contact pin moves downward and is completely separated from the upper cutter and the lower cutter.
According to the cutting pin system of the pin processing machine, the steel wire can be cut Cheng Duanbu into the pins with three-face chamfer angles and pointed shapes, the pins are inserted into a master piece or other electronic products, the socket of the master piece or other electronic products can be effectively prevented from being damaged, and therefore the quality of the finally formed products is ensured.
Drawings
The invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic (partial) view of a pin processor;
FIG. 2 is a schematic view of the pin machine of FIG. 1 from the rear;
FIG. 3 is a plan view of a pin machine;
FIG. 4 is a schematic view of the housing 50 of FIG. 1 after being hidden;
FIG. 5 is a schematic diagram of a cut pin system;
FIG. 6 is an exploded view of FIG. 5;
FIG. 7 is a schematic view of an upper cutter;
FIG. 8 is an exploded view of the clamping pin system;
fig. 9 is a schematic diagram of a bending pin system.
The symbols in the drawings illustrate:
10. cutting off the pin system; 11. an upper cutter; 110. a groove; 112. a first perforation; 12. a lower cutter; 120. a rib; 13. a pin guide; 14. a cutting cam; 15. cutting off the swing rod; 151. a circular hole; 152. an arc-shaped hole; 16. a swing link driving member;
21. a downlink bracket; 210. a bar-shaped hole; 211. a rear part of the downlink support; 212. an upper front piece of the downlink bracket; 213. a lower front piece of the descending bracket;
30. a clamping pin system; 31. clamping the driving block; 310. a second roller for clamping; 32. clamping the passive block; 33. a first swing rod; 35. a first jaw slider; 36. a first jaw; 361. a first jaw end; 37. a second jaw; 371. a second jaw end;
40. a bending pin system; 41. a guide module; 42. a sliding module; 420. bending the elbow; 43. a cam for bending; 44. a connecting rod for bending; 45. a vertical bar-shaped groove fitting; 46. a roller for bending;
50. a frame (section);
60. a cam shaft;
70. a steel wire; 700. a contact pin; 71. a catheter.
Detailed Description
Referring to fig. 1 to 4, a pin processing machine is provided with a clamp pin system 30, a cut pin system 10, a down pin system, and a bending pin system 40.
Referring to fig. 5 to 7, the cutting pin system is provided with an upper cutter 11 and a lower cutter 12 which can move relatively, the upper cutter is provided with a groove 110, the lower cutter is provided with a convex edge 120 matched with the groove, the groove is provided with a first perforation 112 perpendicular to the length direction of the groove, and the convex edge is provided with a second perforation which is communicated with the first perforation from top to bottom.
Regarding the cutting pin system, the lower cutter 12 is fixedly arranged on a stand 50 of the pin processing machine, the upper cutter 11 is in sliding fit with the stand, a pin guide 13 is arranged on the stand, a pin guide hole is formed in the pin guide, and the pin guide hole is positioned below the second perforation.
The cutting pin system 10 is provided with a cutting cam mechanism for driving the upper cutter 11. The cutting cam mechanism comprises a cutting cam 14 and a cutting swing rod assembly, wherein a cutting roller is arranged at the rear end of the cutting swing rod assembly, and the cutting roller is matched with the cutting cam. The cam for cutting rotates to drive the swing rod assembly for cutting to swing, and the front end of the swing rod assembly for cutting drives the upper cutter 11 to move relative to the lower cutter 12.
Regarding the cutting pin system, the cutting link assembly includes a cutting link 15 and a link driver 16, which is in direct contact with the upper cutter 11. The cutting swing rod is provided with a circular hole 151 and an arc hole 152, fastening screw members are matched in the circular hole and the arc hole, and the cutting swing rod is fixedly connected with the swing rod driving member through the fastening screw members. The displacement of the upper cutter 11 relative to the lower cutter 12 is adjusted, so that the fastening screw in the arc hole can be loosened, the swing rod driving piece rotates around the fastening screw in the circular hole, and when the swing rod driving piece reaches a preset position, the fastening screw in the arc hole is fastened again.
The descending contact pin system comprises a descending bracket 21 which is in sliding fit with the frame and a descending cam mechanism which is used for driving the descending bracket, wherein the descending cam mechanism comprises a descending swing rod, a descending connecting rod and a descending cam, the rear end of the descending swing rod is hinged to the frame, the front end of the descending swing rod is hinged to the top end of the descending connecting rod, the bottom end of the descending connecting rod is movably connected with the descending bracket, a descending roller is arranged in the middle of the descending swing rod, and the descending roller is matched with the descending cam. The cam for descending rotates to drive the roller for descending to move up and down, the roller for descending drives the swing rod for descending to swing up and down, the front end of the swing rod for descending drives the connecting rod for descending to lift, and the connecting rod for descending drives the descending bracket 21 to lift.
As shown in fig. 8, the clamping pin system comprises a clamping driving block 31 and a clamping driven block 32 movably mounted on the downlink bracket 21, a first swing rod 33 movably connected with the clamping driving block, a second swing rod movably connected with the clamping driven block, a first clamping jaw assembly movably connected with the first swing rod, and a second clamping jaw assembly movably connected with the second swing rod, wherein the first swing rod and the second swing rod are hinged on the downlink bracket; the clamping driving block and the clamping driven block are hinged together through a clamping hinge shaft, the clamping hinge shaft is matched in a strip-shaped hole 210, and the strip Kong Kaishe is arranged on the descending bracket; the clamping pin system is provided with a cam mechanism for clamping, which drives the clamping driving block.
With respect to the clamping pin system, the first jaw assembly includes a first jaw slider 35 and a first jaw 36, the first jaw slider being a slip fit on the down leg 21; the second jaw assembly includes a second jaw slide and a second jaw 37, the second jaw slide being slidably engaged on the downstair frame.
With regard to the centre gripping contact pin system, the cam mechanism for the centre gripping includes the centre gripping and uses the cam, the centre gripping is used the pendulum rod, the centre gripping is used the spout piece, the rear end of the pendulum rod for the centre gripping is equipped with the centre gripping and uses first gyro wheel, the centre gripping is used first gyro wheel and the cooperation of centre gripping with the cam, the middle part of the pendulum rod for the centre gripping articulates in the frame, the front end of the pendulum rod for the centre gripping is used the spout piece swing joint with the centre gripping, the centre gripping is used the spout piece sliding fit in the frame. The clamping driving block 31 is provided with a second roller 310 for clamping, the clamping sliding groove block is provided with a clamping sliding groove, the clamping sliding groove is vertically arranged, and the clamping second roller is matched in the clamping sliding groove.
In the clamping pin system, the clamping cam rotates to drive the clamping swing rod to swing, the clamping swing rod drives the clamping sliding groove block to horizontally move left and right, the clamping sliding groove block drives the clamping second roller in the clamping sliding groove block, the clamping second roller drives the clamping driving block 31 to act, the clamping driving block rotates around the clamping hinge shaft, the clamping hinge shaft descends along the strip-shaped hole 210, the clamping hinge shaft drives the clamping driven block 32, the bottom end of the clamping driving block and the bottom end of the clamping driven block are mutually far away, the bottom end of the clamping driving block drives the first swing rod 33 to swing, the bottom end of the clamping driven block drives the second swing rod to swing, the bottom end of the first swing rod drives the first clamping jaw sliding block 35, the bottom end of the second swing rod drives the second clamping jaw sliding block, the first clamping jaw sliding block and the second clamping jaw sliding block move in opposite directions, and the first clamping jaw and the second clamping jaw move in opposite directions. When the descending bracket 21 is lifted, the second roller for clamping is lifted in the chute for clamping.
As shown in fig. 9, the bending pin system includes a guide module 41 fixedly provided on the down frame 21, a slide module 42 slidably fitted on the guide module, and a bending cam mechanism for driving the slide module to move forward and backward. The first clamping jaw 36 is provided with a first clamping jaw end 361, the second clamping jaw 37 is provided with a second clamping jaw end 371, the first clamping jaw end and the second clamping jaw end can clamp the contact pin, the front end of the sliding module is provided with a bending head 420, and the bending head is located between the first clamping jaw and the second clamping jaw and above the first clamping jaw end and the second clamping jaw end.
Regarding the bending pin system, the guiding module 41 is provided with a guiding chute, the sliding module 42 is slidably fitted in the guiding chute, and the guiding chute is obliquely arranged.
The bending cam mechanism comprises a bending cam 43, a bending link 44 driven by the bending cam, and a vertical bar-shaped groove fitting 45 mounted at the end of the bending link; the rear end of the sliding module 42 is provided with a roller 46 for bending, and the roller for bending is matched in a vertical strip-shaped groove of the vertical strip-shaped groove fitting. When the descending bracket 21 is lifted, the descending bracket drives the sliding module 42 to lift, and the sliding module drives the bending roller 45 to lift in the vertical strip-shaped groove.
With respect to the bending pin system, the bending cam 43 rotates, the vertical bar-shaped groove fitting 45 is driven to move back and forth through the bending connecting rod 44, the vertical bar-shaped groove fitting 45 drives the bending roller 46, the bending roller drives the sliding module 43, the sliding module moves linearly along the guiding chute, the bending head 420 moves linearly, the linear moving track of the bending head is inclined, the front end of the bending head is positioned at a low position, the bending head is convenient to bend the pins clamped by the first clamping jaw 36 and the second clamping jaw 37 forwards, and the bending head is prevented from contacting the pins in a large area to damage the pins.
Referring to fig. 1 to 4, the cutting cam, the clamping cam, the bending cam, and the descending cam are all mounted on the same cam shaft 60.
In actual operation, a vertical guide tube 71 is arranged above the upper cutter 11, and the steel wire 70 is inserted into the guide tube, and the steel wire in the guide tube passes through the upper cutter, the lower cutter and the pin guide 13. The clamping pin system acts, and a steel wire positioned below the pin guide is clamped by the first clamping jaw and the second clamping jaw. Then, the cutting pin system acts, the upper cutter moves transversely relative to the lower cutter, the steel wire is cut, and the top end of the cut steel wire is in a three-face chamfering pointed shape. After that, the downward pin system operates, and the downward bracket 21 descends to drive the cut steel wire downward, and the cut steel wire is completely located under the pin guide 13. Then, the bending pin system is operated, the bending head 420 moves forward, and the cut steel wire is bent forward by 90 degrees, so that the manufacturing of the pins is completed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, and modifications in detail will readily occur to those skilled in the art based on the teachings herein without departing from the spirit and scope of the invention.
Claims (4)
1. A contact pin processing machine is provided with a clamping contact pin system, a cutting contact pin system and a descending contact pin system, and is characterized in that: the cutting pin system is provided with an upper cutter (11) and a lower cutter (12) which can relatively move, the upper cutter is provided with a groove (110), the lower cutter is provided with a convex edge (120) matched with the groove, the groove is provided with a first perforation (112) perpendicular to the length direction of the groove, and the convex edge is provided with a second perforation which is communicated with the first perforation up and down;
the downlink contact pin system comprises a downlink support (21), and comprises a clamping driving block (31) and a clamping driven block (32) which are movably mounted on the downlink support, a first swing rod (33) hinged with the clamping driving block, a second swing rod hinged with the clamping driven block, a first clamping jaw assembly movably connected with the first swing rod, and a second clamping jaw assembly movably connected with the second swing rod, wherein the first swing rod and the second swing rod are hinged on the downlink support;
the clamping driving block and the clamping driven block are hinged together through a clamping hinge shaft, the clamping hinge shaft is matched in a strip-shaped hole (210), and the strip Kong Kaishe is arranged on the descending bracket;
the clamping pin system is provided with a clamping cam mechanism for driving the clamping driving block;
the first clamping jaw assembly comprises a first clamping jaw sliding block (35) and a first clamping jaw (36), and the first clamping jaw sliding block is in sliding fit on the descending bracket (21);
the second clamping jaw assembly comprises a second clamping jaw sliding block and a second clamping jaw (37), and the second clamping jaw sliding block is in sliding fit on the descending bracket;
the lower cutter (12) is fixedly arranged on a rack of the pin processing machine, the upper cutter (11) is in sliding fit on the rack, a pin guide piece (13) is arranged on the rack, a pin guide hole is formed in the pin guide piece, and the pin guide hole is positioned below the second perforation;
the cutting pin system is provided with a cam mechanism for cutting, which drives the upper cutter.
2. A pin processing machine as claimed in claim 1, wherein: the bending pin system is also included;
the bending pin inserting system comprises a guide module (41) fixedly arranged on the downlink bracket (21), a sliding module (42) in sliding fit with the guide module, and a cam mechanism for bending, wherein the cam mechanism is used for driving the sliding module to move forwards and backwards;
the first clamping jaw (36) is provided with a first clamping jaw end part (361), the second clamping jaw (37) is provided with a second clamping jaw end part (371), the first clamping jaw end part and the second clamping jaw end part can clamp the contact pin, the front end of the sliding module is provided with a bending head (420), and the bending head is located between the first clamping jaw and the second clamping jaw and above the first clamping jaw end part and the second clamping jaw end part.
3. A pin processing machine as claimed in claim 2, wherein: the guide module (41) is provided with a guide chute, the sliding module (42) is in sliding fit with the guide chute, and the guide chute is obliquely arranged.
4. A pin processing machine as claimed in claim 2, wherein: the bending cam mechanism comprises a bending cam (43), a bending connecting rod (44) driven by the bending cam, and a vertical bar-shaped groove fitting (45) arranged at the end part of the bending connecting rod; the rear end of the sliding module (42) is provided with a roller (46) for bending, and the roller for bending is matched in a vertical strip-shaped groove of the vertical strip-shaped groove fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810595044.1A CN108899730B (en) | 2018-06-11 | 2018-06-11 | Pin processing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810595044.1A CN108899730B (en) | 2018-06-11 | 2018-06-11 | Pin processing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108899730A CN108899730A (en) | 2018-11-27 |
| CN108899730B true CN108899730B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810595044.1A Active CN108899730B (en) | 2018-06-11 | 2018-06-11 | Pin processing machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071405B (en) * | 2019-05-16 | 2024-03-15 | 东莞市富茂五金机械有限公司 | Terminal conveying mechanism |
| CN110112629B (en) * | 2019-05-16 | 2024-03-15 | 东莞市富茂五金机械有限公司 | Terminal plug-in mechanism |
| CN110049631B (en) * | 2019-05-16 | 2024-03-15 | 东莞市富茂五金机械有限公司 | Terminal plug-in system |
| CN113617975B (en) * | 2021-08-26 | 2023-07-25 | 江苏凯德电控科技有限公司 | Full-automatic pin bending machine and processing method thereof |
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|---|---|
| CN108899730A (en) | 2018-11-27 |
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