Contact pin bending device for connector
By using a pin-pressing insert method in connector production, and employing a pressing and bending mechanism to press and bend the upper and lower rows of pins, the problem of high scrap rate caused by pin misalignment during injection molding is solved, thus improving the production yield.
Patent Information
- Application Number
- CN202422448919.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-10-11
AI Technical Summary
The existing double-row elbow connectors lack limiting during the injection molding process, which makes the pins prone to misalignment and results in a high scrap rate.
The production method of inserting pins into inserts is adopted. The upper and lower rows of pins are pressed into the inserts through the first and second pressing mechanisms, and the pins are bent at 90° by the first and second bending mechanisms, which replaces the traditional injection molding production method.
This effectively solved the problem of pin misalignment and improved the production yield of double-row elbow connectors.
Smart Images

Figure CN223655921U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of connector production especially relates to a connector is inserted pin bending device. BACKGROUND
[0002] The electric connector is indispensable component in electronic equipment, connects two active devices, transmits current or signal, and is widely used in electronic, communication, aviation, aerospace and other industries. The pin is the key part of the electric connector, and its performance and quality directly affect the reliability of the electric connector. The pin is made of metal material and divided into straight type and bent type. The bent pin is bent from the straight pin, and the bending is usually performed after the straight pin is assembled with the insulating part. The bending angle is generally 90 degrees.
[0003] The existing double-row elbow connector is mainly formed by insert, upper row of pins and lower row of pins by integral injection molding. The upper row of pins and the lower row of pins are arranged in alignment in the insert. The pin is PIN pin used for signal transmission. The molding process of the multi-row elbow connector in the injection mold is as follows: first, the upper row of pins and the lower row of pins are placed according to the design position, then the mold is closed to form an injection cavity, and the metal core of the mold is inserted into the cavity to press and position the upper row of pins and the lower row of pins, and finally the material is injected.
[0004] However, the pin lacks limiting during injection molding, and under the impact of injection pressure flow, the pin is prone to misalignment, resulting in high production scrap rate of the above-mentioned double-row elbow connector. INVENTION CONTENTS
[0005] The utility model aims at providing a connector is inserted pin bending device, which replaces the injection molding production method by pressing the pin into the insert production method, and improves the yield of the production product.
[0006] The utility model discloses a connector is inserted pin bending device adopts the technical scheme:
[0007] The utility model provides a kind of insert bending machine, including workbench, feeding mechanism, first vibration disc, second vibration disc and reciprocating propulsion mechanism, the workbench is equipped with guide plate, the guide plate is equipped with limit plate, the guide plate and limit plate are spaced apart by certain distance, the outside of guide plate is equipped with first press-in mechanism, first bending mechanism, second press-in mechanism and second bending mechanism in proper order, the insert is placed in feeding mechanism, the first vibration disc is close to first press-in mechanism, the upper row of pins is placed in first vibration disc, the second vibration disc is close to second press-in mechanism, the lower row of pins is placed in second vibration disc, the reciprocating propulsion mechanism is placed on workbench, the reciprocating propulsion mechanism is connected with multiple flippers, the flipper is placed between guide plate and limit plate, the first press-in mechanism and second press-in mechanism are all included lifting support, lifting platform and first press-in cylinder, the lifting support is placed on workbench, the second press-in cylinder is fixedly connected on the lifting support, the lifting platform is slidably connected with lifting support, the output shaft of second press-in cylinder is fixedly connected with lifting platform, the lifting platform is slidably connected with press-in platform, the lifting platform is equipped with spring, the both ends of spring are respectively in contact with lifting platform and press-in platform, the first press-in cylinder is placed on workbench, the output shaft of first press-in cylinder is close to press-in platform, the lifting platform of first press-in mechanism is slidably close to guide plate or first vibration disc, the lifting platform of second press-in mechanism is slidably close to guide plate or second vibration disc.
[0008] As a preferred scheme, the first vibration disc is equipped with first link platform, a row of first material guide grooves are opened in the first link platform, the second vibration disc is equipped with second link platform, a row of second material guide grooves are opened in the first link platform.
[0009] As a preferred scheme, the reciprocating propulsion mechanism includes first propulsion cylinder, bearing support, rotary rod, first sliding plate and second propulsion cylinder, the first propulsion cylinder and bearing support are both placed on workbench, the middle part of rotary rod is rotatably connected with bearing support, one end of rotary rod is fixedly connected with first rocker arm, the output shaft of first propulsion cylinder is slidably connected with one end of first rocker arm, the middle part of rotary rod is fixedly connected with second rocker arm, the first sliding plate is slidably connected with bearing support, one end of second rocker arm is slidably connected with first sliding plate, the second propulsion cylinder is fixedly connected with one end of first sliding plate, the second sliding plate is slidably connected on the first sliding plate, the output shaft of second propulsion cylinder is fixedly connected with one end of second sliding plate, the flipper is fixedly connected with second sliding plate.
[0010] As a preferred scheme, the first sliding plate is equipped with first guide rail, second guide rail and third guide rail arranged at intervals, the first link platform passes between first guide rail and second guide rail, the second link platform passes between second guide rail and third guide rail, the first guide rail, second guide rail and third guide rail are all slidably connected with second sliding plate.
[0011] As a preferred scheme, one end of the lifting platform is fixedly connected with a butt joint plate, a row of third material guide grooves are formed in the top of the butt joint plate, one end of the press-in platform is fixedly connected with a press-in plate, the press-in plate is close to the butt joint plate, the first connecting platform passes through the butt joint plate below and is close to the first press-in mechanism, and the second connecting platform passes through the butt joint plate below and is close to the second press-in mechanism.
[0012] As a preferred scheme, the top of the lifting platform is fixedly connected with a suspension, a third press-in pneumatic cylinder is fixedly connected to the suspension, a pressing plate is fixedly connected to the output shaft of the third press-in pneumatic cylinder, and the pressing plate is located above the butt joint plate.
[0013] As a preferred scheme, limit grooves are formed in the guide plate, and the guide plate and the limit grooves are parallel to each other.
[0014] As a preferred scheme, the feeding mechanism comprises a feeding support, the feeding support is fixedly connected to the outer side of the guide plate, one end of the feeding support is close to the guide plate, a through groove is formed in the feeding support, the insert is placed in the through groove, and the through groove is located above the limit groove.
[0015] As a preferred scheme, the first bending mechanism and the second bending mechanism both comprise a bending support, a contact block and a bending pneumatic cylinder, the bending support is arranged on the top of the workbench, sliding grooves are formed in the two sides of the bending support, the sliding grooves are circular arcs, two rollers are rotatably connected to the two sides of the contact block, the rollers are arranged in adjacent sliding grooves, one end of the contact block is close to the guide plate, the bending pneumatic cylinder is arranged on the bottom of the workbench, and the output shaft of the bending pneumatic cylinder penetrates through the workbench and is fixedly connected to the other end of the contact block.
[0016] The connector pin bending device has the advantages that:
[0017] The feeding mechanism places the insert on the guide plate, the reciprocating pushing mechanism operates to push the insert close to the first press-in mechanism, the first vibration disc places the upper row of pins on the lifting platform of the first press-in mechanism, the output shaft of the second press-in pneumatic cylinder pulls the lifting platform to ascend close to the guide plate, the output shaft of the first press-in pneumatic cylinder pushes the press-in platform to slide on the lifting platform, the press-in platform presses the upper row of pins into the insert in the process of sliding, the spring of the first press-in mechanism pushes the press-in platform to reset, and the upper row of pins is pressed into the insert; the reciprocating pushing mechanism pushes the insert close to the first bending mechanism, the insert is limited between the guide plate and the limiting plate, and the first bending mechanism bends the upper row of pins.
[0018] The reciprocating pushing mechanism pushes the insert close to the second pressing mechanism, the second vibration disc puts the lower row of pins on the lifting platform of the second pressing mechanism, the output shaft of the second pressing cylinder pulls the lifting platform to rise close to the guide plate, the output shaft of the first pressing cylinder pushes the pressing platform to slide on the lifting platform, after the lower row of pins are pressed into the insert in the process of sliding, the spring of the second pressing mechanism pushes the pressing platform to reset, and the lower row of pins are pressed into the insert; the reciprocating pushing mechanism pushes the insert close to the second bending mechanism, the second bending mechanism bends the upper row of pins; the installation of the double-row elbow connector and the bending of the pins are completed, and the problem of high waste product rate in injection molding production is solved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structural schematic view of the pin bending device for the connector.
[0020] Figure 2 It is a structural schematic view of the reciprocating pushing mechanism of the pin bending device for the connector.
[0021] Figure 3 It is a structural schematic view of the reciprocating pushing mechanism of the pin bending device for the connector.
[0022] Figure 4 It is a structural schematic view of the reciprocating pushing mechanism of the pin bending device for the connector. Figure 3 (A area) enlarged view.
[0023] Figure 5 It is a structural schematic view of the first vibration disc and the second vibration disc of the pin bending device for the connector.
[0024] Figure 6 It is a structural schematic view of the first pressing mechanism and the second pressing mechanism of the pin bending device for the connector.
[0025] Figure 7 It is a structural schematic view of the first pressing mechanism and the second pressing mechanism of the pin bending device for the connector.
[0026] Figure 8 It is a partial sectional view of the first bending mechanism of the pin bending device for the connector.
[0027] Figure 9 It is a partial sectional view of the second bending mechanism of the pin bending device for the connector. DETAILED DESCRIPTION
[0028] The utility model will be further described and explained in connection with specific embodiment and the drawings of the specification:
[0029] Please refer to Figure 1 andFigure 4 .
[0030] The utility model discloses a connector is with inserting pin bending device, this equipment is used to press into the insert piece 9 with upper row inserting pin 91 and lower row inserting pin 92, and, upper row inserting pin 91 and lower row inserting pin 92 are all bent 90 DEG.
[0031] The device comprises a workbench 1, a reciprocating pushing mechanism 2, a feeding mechanism 13, a first vibration disc 3, a second vibration disc 4 and a discharging chute 14.
[0032] The workbench 1 is provided with a guide plate 11, and the outer side of the guide plate 11 is sequentially provided with a first pressing mechanism 5, a first bending mechanism 7, a second pressing mechanism 6 and a second bending mechanism 8.
[0033] Please refer to Figures 1-4 .
[0034] A plurality of connecting blocks are fixedly connected to the outer side of the guide plate 11, and the guide plate 11 is provided with a limiting plate 12 fixedly connected to the connecting blocks.
[0035] Further, a limiting groove 111 is formed in the guide plate 11, and the guide plate 11 and the limiting groove 111 are parallel to each other.
[0036] The feeding mechanism 13 comprises a feeding support fixedly connected to the outer side of the guide plate 11, and the feeding support is close to one end of the guide plate 11. The limiting plate 12 is close to the feeding support, and the feeding support is provided with a through groove. The insert piece 9 is placed in the through groove, and the through groove is located above the limiting groove 111. When the insert piece 9 in the limiting groove 111 is pushed away from below the through groove by the push piece 251, other insert pieces 9 in the through groove will also fall into the limiting groove 111 in turn.
[0037] The discharging chute 14 is installed at the other end of the guide plate 11.
[0038] The reciprocating pushing mechanism 2 comprises a first pushing cylinder 21, a bearing support 22, a rotating rod 23, a first sliding plate 24 and a second pushing cylinder 242; the first pushing cylinder 21 is arranged on the workbench 1, and the first pushing cylinder 21 is fixedly connected to the top of the workbench 1; preferably, the bearing support 22 is three, the bearing support 22 is fixedly connected to the top of the workbench 1, and the three bearing supports 22 are arranged at intervals on the top of the workbench 1; the middle part of the rotating rod 23 is rotatably connected to the bearing support 22, the output shaft pushing path of the first pushing cylinder 21 is perpendicular to the rotating rod 23, one end of the rotating rod 23 is fixedly connected with a first rocker arm 231, the output shaft of the first pushing cylinder 21 is slidably connected to one end of the first rocker arm 231, and the one end of the first rocker arm 231 can only slide up and down on the output shaft of the first pushing cylinder 21; the output shaft of the first pushing cylinder 21 extends to push the first rocker arm 231, so that the rotating rod 23 rotates by a certain angle on the bearing support 22; the sliding connection between the first rocker arm 231 and the output shaft of the first pushing cylinder 21 can make the first rocker arm 231 have upward and downward movement space at the connection between the first rocker arm 231 and the output shaft of the first pushing cylinder 21 when the first rocker arm 231 rotates;
[0039] Further, the middle part of the rotating rod 23 is fixedly connected with a second rocker arm 232, the first sliding plate 24 is slidably connected to the bearing support 22, the sliding path of the first sliding plate 24 is parallel to the output shaft pushing path of the first pushing cylinder 21, and one end of the second rocker arm 232 is slidably connected to the first sliding plate 24; when the rotating rod 23 rotates by a certain angle on the bearing support 22, the second rocker arm 232 pushes the first sliding plate 24 to slide a certain distance on the bearing support 22; the sliding connection between the second rocker arm 232 and the first sliding plate 24 can make the first sliding plate 24 have upward and downward movement space at the connection between the first sliding plate 24 and the second rocker arm 232 when the second rocker arm 232 rotates; the output shaft of the first pushing cylinder 21 extends and retracts to drive the first sliding plate 24 to reciprocate on the bearing support 22;
[0040] Further, the first sliding plate 24 is provided with first guide rails 241, second guide rails and third guide rails arranged at intervals, the first guide rails 241, the second guide rails and the third guide rails are all slidably connected to the second sliding plate 25, and the sliding path of the second sliding plate 25 is parallel to the rotating rod 23; the second pushing cylinder 242 is fixedly connected to one end of the first sliding plate 24, the output shaft of the second pushing cylinder 242 is fixedly connected to one end of the second sliding plate 25, a plurality of push pieces 251 are connected to the reciprocating pushing mechanism 2, the push pieces 251 are fixedly connected to the second sliding plate 25, and the push pieces 251 are arranged between the guide plate 11 and the limiting plate 12; the output shaft of the second pushing cylinder 242 extends and retracts to drive the second sliding plate 25 to reciprocate on the first sliding plate 24.
[0041] The operation mode of the reciprocating pushing mechanism 2 is as follows:
[0042] The feeding mechanism 13 puts the insert 9 into the limiting groove 111 of the guide plate 11, the output shaft of the second advancing cylinder 242 extends to push the second sliding plate 25 to slide on the first sliding plate 24 by a certain distance, so that the push piece 251 on the second sliding plate 25 pushes the insert 9 away from the feeding mechanism 13; the output shaft of the second advancing cylinder 242 retracts to pull the rotating rod 23 to rotate by a certain angle, driving the first sliding plate 24 to slide on the bearing bracket 22 away from the guide plate 11, so that the push piece 251 is pulled out from between the guide plate 11 and the limiting plate 12;
[0043] The output shaft of the second advancing cylinder 242 retracts to pull the second sliding plate 25 to slide on the first sliding plate 24 to reset; the output shaft of the second advancing cylinder 242 extends to push the rotating rod 23 to reverse by a certain angle, driving the first sliding plate 24 to slide on the bearing bracket 22 to approach the guide plate 11, so that the push piece 251 is inserted between the guide plate 11 and the limiting plate 12;
[0044] The first advancing cylinder 21 and the second advancing cylinder 242 of the reciprocating advancing mechanism 2 can gradually push the insert 9 to advance on the guide plate 11 by cyclically executing the above operation mode.
[0045] Please refer to Figures 5-7 .
[0046] The first vibrating disc 3 is close to the first pressing mechanism 5, and the first vibrating disc 3 and the first pressing mechanism 5 are respectively located on both sides of the guide plate 11, and the upper row of pins 91 is arranged in the first vibrating disc 3; the second vibrating disc 4 is close to the second pressing mechanism 6, and the second vibrating disc 4 and the second pressing mechanism 6 are respectively located on both sides of the guide plate 11, and the lower row of pins 92 is arranged in the second vibrating disc 4;
[0047] Further, the first vibrating disc 3 is provided with a first connecting table 31, a row of first material guide grooves 311 are formed on the first connecting table 31, and the first connecting table 31 passes through between the first guide rail 241 and the second guide rail; the second vibrating disc 4 is provided with a second connecting table 41, and a row of second material guide grooves 411 are formed on the first connecting table 31; the second connecting table 41 passes through between the second guide rail and the third guide rail;
[0048] The first vibrating disc 3 pushes a plurality of upper row pins 91 to the first material guide grooves 311 of the first connecting table 31 through vibration, and the upper row pins 91 slide and advance in the first material guide grooves 311; the second vibrating disc 4 pushes a plurality of lower row pins 92 to the second material guide grooves 411 of the second connecting table 41 through vibration, and the lower row pins 92 slide and advance in the second material guide grooves 411.
[0049] The first pressing mechanism 5 and the second pressing mechanism 6 each comprise a lifting support 61, a lifting table 62 and a first pressing cylinder 611, the lifting support 61 is placed on the workbench 1, and the second pressing cylinder 612 is fixedly connected to the lifting support 61; the lifting table 62 is in sliding connection with the lifting support 61, the output shaft of the second pressing cylinder 612 is fixedly connected to the lifting table 62, and the lifting table 62 is in sliding connection with a pressing table 63, the sliding path of the lifting table 62 is perpendicular to the sliding path of the pressing table 63, and one end of the pressing table 63 is fixedly connected with a pressing plate 631; a spring is arranged on the lifting table 62, the spring is parallel to the sliding path of the pressing table 63, and the two ends of the spring are respectively in contact with the lifting table 62 and the pressing table 63; the first pressing cylinder 611 is placed on the workbench 1, and the output shaft of the first pressing cylinder 611 is close to the other end of the pressing table 63; one end of the lifting table 62 is fixedly connected with a butt joint plate 621, a row of third guide grooves 622 are arranged on the top of the butt joint plate 621, the pressing plate 631 is close to the butt joint plate 621, the first connecting table 31 passes through the butt joint plate 621 below the first pressing mechanism 5, and the second connecting table 41 passes through the butt joint plate 621 below the second pressing mechanism 6;
[0050] The insert 9 is pushed close to the first pressing mechanism 5 by the push piece 251 of the reciprocating pushing mechanism 2, the first connecting table 31 pushes the upper row of pins 91 into the third guide groove 622 of the first pressing mechanism 5, the second pressing cylinder 612 of the first pressing mechanism 5 is retracted to drive the lifting table 62 to slide up on the lifting support 61, so that the butt joint plate 621 of the first pressing mechanism 5 is close to the insert 9 in the guide plate 11, the output shaft of the first pressing cylinder 611 is extended to push the pressing table 63 to slide on the lifting table 62, so that the pressing plate 631 pushes the upper row of pins 91 into the insert 9, the installation of the upper row of pins 91 is completed, the output shaft of the first pressing cylinder 611 is retracted, the spring pushes the pressing table 63 to reset, the second pressing cylinder 612 of the first pressing mechanism 5 is extended to drive the lifting table 62 to slide on the lifting support 61 to reset, and the next insert 9 is pressed into the upper row of pins 91;
[0051] The second engaging table 41 pushes the upper row of pins 91 into the third guide groove 622 of the second pressing mechanism 6, the second pressing cylinder 612 of the second pressing mechanism 6 retracts to drive the lifting table 62 to slide on the lifting support 61 and rise, so that the butt plate 621 of the second pressing mechanism 6 approaches the insert 9 in the guide plate 11, the output shaft of the first pressing cylinder 611 extends to push the pressing table 63 to slide on the lifting table 62, so that the pressing plate 631 pushes the upper row of pins 91 into the insert 9, thereby completing the installation of the upper row of pins 91, the output shaft of the first pressing cylinder 611 retracts, the spring pushes the pressing table 63 to reset, the second pressing cylinder 612 of the second pressing mechanism 6 extends to push the lifting table 62 to slide on the lifting support 61 and reset, and the above process is repeated for the next insert 9 to press the upper row of pins 91.
[0052] The top of the lifting table 62 is fixedly connected with a suspension, and the suspension is fixedly connected with the third pressing cylinder 613, and the output shaft of the third pressing cylinder 613 is fixedly connected with a pressing plate, and the pressing plate is located above the butt plate 621.
[0053] Before the pressing table 63 of the first pressing mechanism 5 pushes the upper row of pins 91 into the insert 9, the third pressing cylinder 613 of the first pressing mechanism 5 pushes the pressing plate to abut against the upper row of pins 91, and then the pressing plate 631 of the first pressing mechanism 5 pushes the upper row of pins 91 into the insert 9, so that the pressing plate can prevent the upper row of pins 91 from being misaligned when being pressed into the insert 9.
[0054] Before the pressing table 63 of the second pressing mechanism 6 pushes the lower row of pins 92 into the insert 9, the third pressing cylinder 613 of the second pressing mechanism 6 pushes the pressing plate to abut against the lower row of pins 92, and then the pressing plate 631 of the second pressing mechanism 6 pushes the lower row of pins 92 into the insert 9, so that the pressing plate can prevent the lower row of pins 92 from being misaligned when being pressed into the insert 9.
[0055] Please refer to Figure 8 and Figure 9 .
[0056] The first bending mechanism 7 and the second bending mechanism 8 each include a bending support 81, a contact block 82 and a bending cylinder 83; the bending support 81 is arranged on the top of the workbench 1, and arc-shaped sliding grooves 811 are formed on the two sides of the bending support 81, the two sides of the contact block 82 are rotatably connected with two rollers 821, the rollers 821 are arranged in adjacent sliding grooves 811, one end of the contact block 82 is close to the guide plate 11, and the bending cylinder 83 is arranged on the bottom of the workbench 1, and the output shaft of the bending cylinder 83 is fixedly connected with the other end of the contact block 82 and penetrates through the workbench 1.
[0057] When the insert 9 completes the installation of the upper row of pins 91, the reciprocating advancing mechanism 2 pushes the insert 9 to the first bending mechanism 7 through the pusher 251; the bending cylinder 83 of the first bending mechanism 7 pushes the contact block 82 to slide and rise in the sliding groove 811, and the upper row of pins 91 is bent in the sliding process of the contact block 82 due to the arc shape of the sliding groove 811 of the first bending mechanism 7, so that the upper row of pins 91 is bent by 90°; after the insert 9 is pushed to the second pressing mechanism 6 by the pusher 251 of the reciprocating advancing mechanism 2, the bending cylinder 83 of the first bending mechanism 7 pulls the contact block 82 to slide and reset in the sliding groove 811.
[0058] When the insert 9 completes the installation of the lower row of pins 92, the reciprocating advancing mechanism 2 pushes the insert 9 to the second bending mechanism 8 through the pusher 251; the bending cylinder 83 of the second bending mechanism 8 pulls the contact block 82 to slide and fall in the sliding groove 811, and the lower row of pins 92 is bent in the sliding process of the contact block 82 due to the arc shape of the sliding groove 811 of the second bending mechanism 8, so that the lower row of pins 92 is bent by 90°; after the insert 9 is pushed to the discharge chute 14 by the pusher 251 of the reciprocating advancing mechanism 2, the bending cylinder 83 of the second bending mechanism 8 pushes the contact block 82 to slide and reset in the sliding groove 811.
[0059] The utility model provides a kind of pin bending device for connector, loading mechanism places insert on guide plate, reciprocating advancing mechanism is pushed insert to first pressing mechanism by pusher, first vibrating disc is placed in the lifting platform of first pressing mechanism by the upper row of pins, the output shaft of second pressing cylinder pulls lifting platform to rise close to guide plate, the output shaft of first pressing cylinder pushes in and slides on lifting platform, after the upper row of pins is pressed into insert in the sliding process of pressing platform, the spring of first pressing mechanism pushes pressing platform reset, complete the upper row of pins press into insert;Reciprocating advancing mechanism pushes insert to first bending mechanism, insert is positioned between by guide plate and limit plate, and first bending mechanism bends the upper row of pins.
[0060] Reciprocating advancing mechanism pushes insert to second pressing mechanism, second vibrating disc is placed in the lifting platform of second pressing mechanism by the lower row of pins, the output shaft of second pressing cylinder pulls lifting platform to rise close to guide plate, the output shaft of first pressing cylinder pushes in and slides on lifting platform, after the lower row of pins is pressed into insert in the sliding process of pressing platform, the spring of second pressing mechanism pushes pressing platform reset, complete the lower row of pins press into insert;Reciprocating advancing mechanism pushes insert to second bending mechanism, and second bending mechanism bends the upper row of pins;Complete the installation of double-row elbow connector and the bending of pin, solve the problem of high waste rate of injection molding production.
[0061] It should be explained finally that the above embodiment is only used to illustrate the technical scheme of the utility model, and is not the limit of the protection scope of the utility model, although the utility model is explained in detail with reference to the preferred embodiment, the ordinary skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently, and does not deviate from the essence and scope of the technical scheme of the utility model.
Claims
1. A pin bending device for a connector for pressing an upper row of pins and a lower row of pins into an insert, characterized by, The workbench, the feeding mechanism, the first vibration disc, the second vibration disc and the reciprocating pushing mechanism are included. The workbench is provided with a guide plate, the guide plate is provided with a limiting plate, the guide plate and the limiting plate are spaced apart by a certain distance, the outer side of the guide plate is sequentially provided with a first pressing mechanism, a first bending mechanism, a second pressing mechanism and a second bending mechanism, the insert is placed in the feeding mechanism, the first vibration disc is close to the first pressing mechanism, the upper row of pins is placed in the first vibration disc, the second vibration disc is close to the second pressing mechanism, and the lower row of pins is placed in the second vibration disc. The reciprocating pushing mechanism is placed on the workbench, a plurality of pushers are connected to the reciprocating pushing mechanism, and the pushers are placed between the guide plate and the limiting plate. The first pressing mechanism and the second pressing mechanism each include a lifting support, a lifting table and a first pressing cylinder, the lifting support is placed on the workbench, the second pressing cylinder is fixedly connected to the lifting support, the lifting table is slidably connected to the lifting support, the output shaft of the second pressing cylinder is fixedly connected to the lifting table, a pressing table is slidably connected to the lifting table, a spring is arranged on the lifting table, the two ends of the spring are respectively in contact with the lifting table and the pressing table, the first pressing cylinder is placed on the workbench, the output shaft of the first pressing cylinder is close to the pressing table, and the lifting table of the first pressing mechanism is slidably close to the guide plate or the first vibration disc.
2. The contact bending apparatus according to claim 1, wherein The first vibration disc is provided with a first connecting table, a row of first material guide grooves are formed in the first connecting table, the second vibration disc is provided with a second connecting table, and a row of second material guide grooves are formed in the first connecting table.
3. The contact bending apparatus according to claim 2, wherein The reciprocating pushing mechanism includes a first pushing cylinder, a bearing support, a rotating rod, a first sliding plate and a second pushing cylinder, the first pushing cylinder and the bearing support are placed on the workbench, the middle part of the rotating rod is rotatably connected to the bearing support, one end of the rotating rod is fixedly connected with a first rocker arm, the output shaft of the first pushing cylinder is slidably connected to one end of the first rocker arm, the middle part of the rotating rod is fixedly connected with a second rocker arm, the first sliding plate is slidably connected to the bearing support, one end of the second rocker arm is slidably connected to the first sliding plate, the second pushing cylinder is fixedly connected to one end of the first sliding plate, the first sliding plate is slidably connected with a second sliding plate, the output shaft of the second pushing cylinder is fixedly connected to one end of the second sliding plate, and the pusher is fixedly connected to the second sliding plate.
4. The contact bending apparatus according to claim 3, wherein The first sliding plate is provided with a first guide rail, a second guide rail and a third guide rail arranged at intervals, the first connecting table passes between the first guide rail and the second guide rail, the second connecting table passes between the second guide rail and the third guide rail, and the first guide rail, the second guide rail and the third guide rail are slidably connected to the second sliding plate.
5. The contact bending apparatus according to claim 4, wherein One end of the lifting platform is fixedly connected with a butt joint plate, a row of third material guide grooves are formed in the top of the butt joint plate, one end of the press-in platform is fixedly connected with a press-in plate, the press-in plate is close to the butt joint plate, the first connecting platform passes through the butt joint plate below the guide plate close to the first press-in mechanism, and the second connecting platform passes through the butt joint plate below the guide plate close to the second press-in mechanism.
6. The contact bending apparatus according to claim 5, wherein The top of the lifting platform is fixedly connected with a suspension, a third press-in air cylinder is fixedly connected to the suspension, a pressing plate is fixedly connected to the output shaft of the third press-in air cylinder, and the pressing plate is located above the butt joint plate.
7. The contact bending apparatus according to claim 6, wherein Limit grooves are formed in the guide plate, and the guide plate and the limit grooves are parallel to each other.
8. The contact bending apparatus according to claim 7, wherein The feeding mechanism comprises a feeding support, the feeding support is fixedly connected to the outer side of the guide plate, one end of the feeding support is close to the guide plate, a through groove is formed in the feeding support, the insert is placed in the through groove, and the through groove is located above the limit groove.
9. The contact bending apparatus of claim 8 wherein, The first bending mechanism and the second bending mechanism both comprise a bending support, a contact block and a bending air cylinder, the bending support is arranged on the top of the workbench, sliding grooves are formed in the two sides of the bending support, the sliding grooves are circular, two rollers are rotatably connected to the two sides of the contact block, the rollers are arranged in adjacent sliding grooves, one end of the contact block is close to the guide plate, the bending air cylinder is arranged on the bottom of the workbench, and the output shaft of the bending air cylinder penetrates through the workbench and is fixedly connected to the other end of the contact block.