CN213816712U

CN213816712U - Terminal bending and pin inserting device

Info

Publication number: CN213816712U
Application number: CN202022700932.0U
Authority: CN
Inventors: 杜尚鑫
Original assignee: Qingdao Mingqing Electromechanical Co ltd
Current assignee: Qingdao Mingqing Electromechanical Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-27
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a terminal is bent and contact pin device, which comprises a frame, terminal automatic feeding mechanism, bend cutting die utensil, go up the inserted bar, inserted bar and mechanical cam actuating mechanism down, the exposed bar all is provided with the clamping jaw that is used for the centre gripping terminal down with the exposed bar, mechanical cam actuating mechanism passes through inserted bar drive assembly drive and goes up the inserted bar and along upper and lower and back-and-forth movement with inserted bar down, and mechanical cam actuating mechanism cuts the drive assembly drive through bending and bend cutting die utensil and cut and bend the terminal material area, contact pin automatic feeding mechanism sends into the terminal material area and bends cutting die utensil, mechanical cam actuating mechanism drive is bent cutting die utensil and is cut and bend the back to the terminal material area, the terminal after the inserted bar cuts and bends with the inserted bar centre gripping down in the redrive, and the terminal that will bend inserts the product. The terminal bending and pin inserting device is compact in structure, ingenious in design and high in working efficiency; and can guarantee control accuracy, reduced the defective rate of product.

Description

Terminal bending and pin inserting device

Technical Field

The utility model belongs to connector automatic processing technique especially relates to a terminal is bent and contact pin device.

Background

The connector has the main function of transmitting an electric signal from one circuit system to another circuit system by virtue of the terminals, the connector terminals are a general name of connector hardware and comprise a shell and the terminals, pin inserting operation is required in the production process of the connector, namely the terminals are inserted into a carrier, and some terminals are required to be bent firstly and then inserted into pins. The traditional pin inserting mode is usually carried out manually, but with the continuous rising of labor cost, an enterprise has to adopt automation to improve the market competitiveness of products in the production process, improve the production efficiency and reduce the cost.

Accordingly, various types of pin machines have been developed in recent years, but the existing pin machines generally have the following disadvantages:

1) the structure is complex, the occupied space is large, and the bending, cutting and pin inserting operations at the same position cannot be realized;

2) the control precision is poor, and the product reject ratio is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal is bent and contact pin device to solve among the prior art terminal bend and contact pin machine and have the big and poor problem of control accuracy of occupation space.

To achieve the purpose, the utility model adopts the following technical proposal:

a terminal bending and pin inserting device comprises a rack, a terminal automatic feeding mechanism, a bending and cutting die, an upper insertion rod, a lower insertion rod and a mechanical cam driving mechanism, wherein clamping jaws for clamping terminals are arranged at clamping ends of the upper insertion rod and the lower insertion rod, the mechanical cam driving mechanism drives the upper insertion rod and the lower insertion rod to move up and down and back and forth through an insertion rod transmission assembly, the mechanical cam driving mechanism drives the bending and cutting die to cut and bend a terminal material belt through the bending and cutting transmission assembly,

during operation, contact pin automatic feeding mechanism sends the terminal material area into the cutting die of bending, mechanical cam actuating mechanism drive bending cutting die cuts and bends the back to the terminal material area, drives the terminal of inserted bar and lower inserted bar centre gripping after cutting and bending again, drives the terminal and reciprocates earlier, back-and-forth movement, inserts the product with the terminal of bending.

Further say, terminal autoloading mechanism includes pay-off runner, servo feeding motor and pay-off ratchet, be equipped with the through-hole of rectangular shape on the pay-off runner, the pay-off ratchet can partly pass through-hole and its marginal pay-off tooth card go into the locating hole in terminal material area, servo feeding motor drive pay-off ratchet rotates and carries the terminal material area.

Furthermore, the bending and cutting die adopts a modular structure design and comprises an upper die and a lower die, the lower die is fixed at the discharge end of the terminal automatic feeding mechanism, the upper die is assembled above the lower die in a way of moving up and down, and the middle part of the lower die is detachably provided with a lower cutter fixing block on which a lower cutter is detachably arranged, an upper cutter module is arranged on the upper die corresponding to the lower cutter and comprises an upper fixed block, a lower fixed block, a bent upper cutter rod and a positioning and cutting upper cutter rod, the upper fixing block and the lower fixing block can be detachably fixed on the upper die, two assembling holes are correspondingly formed in the upper fixing block and the lower fixing block, the cutter arbor is cut in bending and location all through the pilot hole install in on last fixed block and the lower fixed block, just the cutter arbor is located in bending the outside that the cutter arbor was cut in the location.

Furthermore, the mechanical cam driving mechanism comprises a main shaft servo motor, a main shaft, a first cam, a second cam and a third cam, wherein the main shaft can be rotatably arranged on the frame, the upper inserted link and the lower inserted link can be assembled on the frame in a way of moving up and down and back and forth, the first cam, the second cam and the third cam are all assembled on the main shaft, the main shaft servo motor drives the main shaft to rotate through a main shaft transmission component, the frame is matched with the first cam to be provided with a first swing rod, the first swing rod drives the upper inserted link to move up and down and back and forth through the first transmission component, the frame is matched with the second cam to be provided with the second swing rod, the second swing rod is connected with a cutting bending swing rod through a transmission part, the cutting swing rod drives a cutting die to bend and cut a terminal, and the frame is matched with the third cam to be provided with the third swing rod, the third swing rod drives the lower inserted link to move up and down and back and forth through the second transmission assembly.

Further, the spindle transmission assembly comprises two synchronous belt wheels and a synchronous belt, wherein one synchronous belt wheel is mounted on an output shaft of the spindle servo motor, the other synchronous belt wheel is mounted at one end of the spindle, and the synchronous belt is connected to the two synchronous belt wheels.

Further say, first transmission assembly includes first orbit piece, first lifter, mount pad and first connecting block, first lifter can assemble on the mount pad with going up and down, first orbit piece is fixed in the bottom of first lifter, first connecting block is fixed in on the first lifter, just first connecting block with go up the inserted bar and connect, the middle part of first pendulum rod articulate in the frame, its both ends all are provided with the gyro wheel, and wherein the gyro wheel of one end pastes and leans on the wheel face of first cam, and the gyro wheel of the other end is located the orbit inslot of first orbit piece.

Further, the second transmission assembly comprises a second track block, a second lifting rod and a second connecting block, the second lifting rod can be assembled on the mounting seat in a lifting mode, the second track block is fixed to the bottom of the second lifting rod, the second connecting block is fixed to the second lifting rod, the second connecting block is connected with the lower inserting rod, the middle of the third swinging rod is hinged to the rack, the two ends of the third swinging rod are provided with idler wheels, the idler wheel at one end of the third swinging rod is attached to the wheel face of the third cam, and the idler wheel at the other end of the third swinging rod is located in a track groove of the second track block.

Further, the rack is provided with a movable seat capable of moving horizontally, the movable seat is provided with a vertical groove arranged along the vertical direction, and rollers located in the vertical groove are mounted at one ends of the upper insertion rod and the lower insertion rod.

Furthermore, a manual debugging hand wheel is arranged on the main shaft relative to the other end for installing the synchronous belt pulley.

The utility model has the advantages that compared with the prior art, the terminal bending and pin inserting device has compact structure, ingenious design and high working efficiency, and can realize the bending, cutting and pin inserting operation of the terminal at the same position; and can guarantee control accuracy, reduced the defective rate of product.

Drawings

Fig. 1 is a schematic perspective view of a terminal bending and pin inserting device according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a terminal bending and pin inserting device according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

fig. 5 is a schematic perspective view of a bending and cutting mold of the terminal bending and pin inserting device according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of an upper knife block of a bending and cutting die of a pin inserting device for terminal bending according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, in the present embodiment, a terminal bending and pin inserting apparatus includes a frame 1, a terminal automatic feeding mechanism, a bending and cutting mold, an upper insertion rod 2, a lower insertion rod 3, and a mechanical cam driving mechanism, where the terminal automatic feeding mechanism includes a feeding runner 3, a servo feeding motor 4, and a feeding ratchet 5, a strip-shaped through hole is disposed on the feeding runner 3, the feeding ratchet 5 can partially penetrate through the through hole and a feeding tooth on an edge of the feeding ratchet is clamped into a positioning hole of a terminal material tape, and the servo feeding motor 4 drives the feeding ratchet 5 to rotate to convey the terminal material tape. The mechanical cam driving mechanism comprises a main shaft servo motor 6, a main shaft 7, a first cam 8, a second cam 9 and a third cam 10, wherein the main shaft 7 can be rotatably arranged on the frame 1, a movable seat 11 can be horizontally and movably arranged on the frame 1, a vertical groove 12 arranged along the vertical direction is formed in the movable seat 11, rollers positioned in the vertical groove 12 are respectively arranged at one end of the upper inserted link 2 and one end of the lower inserted link 3, so that the upper inserted link 2 and the lower inserted link 3 can move up and down and back and forth relative to the frame 1, the first cam 8, the second cam 9 and the third cam 10 are respectively assembled on the main shaft 7, the second cam 9 is positioned between the first cam 8 and the third cam 10, the main shaft servo motor 6 drives the main shaft 7 to rotate through a main shaft driving assembly, the main shaft driving assembly comprises two synchronous belt wheels and a synchronous belt, one of the two synchronous belt wheels is arranged on an output shaft of the main shaft servo motor 6, the other synchronous belt wheel is arranged at one end of the main shaft 7, the synchronous belt is connected to the two synchronous belt wheels, and a manual debugging hand wheel 13 is arranged on the main shaft 7 and opposite to the other end where the synchronous belt wheels are arranged.

The rack 1 is provided with a first swing rod 14 in cooperation with the first cam 8, the middle part of the first swing rod 14 is hinged to the rack 1, rollers are arranged at two ends of the first swing rod, the roller at one end is attached to the wheel surface of the first cam 8, the roller at the other end is located in a track groove 16 of the first track block 15, the first track block 15 is fixed at the bottom of the first lifting rod 17, the mounting seat 18 is fixed on the rack 1, the first lifting rod 17 can be assembled on the mounting seat 18 in a lifting mode, a first connecting block 19 is fixed on the first lifting rod 17, and the first connecting block 19 is connected with the upper insertion rod 2. The rack 1 is provided with a second swing rod 20 matched with the second cam 9, the second swing rod 20 is connected with a cutting and bending swing rod 21 through a transmission piece, and the cutting and bending swing rod 21 is connected to a bending and cutting die and used for driving the bending and cutting die to bend and cut the terminal. The rack 1 is provided with a third swing rod 22 in cooperation with the third cam 10, the middle part of the third swing rod 22 is hinged to the rack 1, rollers are arranged at two ends of the third swing rod, the roller at one end is attached to the wheel surface of the third cam 10, the roller at the other end is located in the track groove 16 of the second track block 23, the second track block 23 is fixed at the bottom of the second lifting rod 24, the mounting seat 18 is fixed on the rack 1, the second lifting rod 24 can be assembled on the mounting seat 18 in a lifting mode, a second connecting block 25 is fixed on the second lifting rod 24, and the second connecting block 25 is connected with the lower insertion rod 3.

The bending and cutting die adopts a modular structure design and comprises an upper die 26 and a lower die 27, the lower die 27 is fixed at the discharge end of the feeding runner 3, the upper die 26 can be assembled above the lower die 27 in a vertically moving way, a guide post is arranged between the upper die 26 and the lower die 27, a lower cutter fixing block 28 is detachably mounted at the middle part of the lower die 27, a lower cutter 29 is detachably mounted on the lower cutter fixing block 28, correspond lower cutter 29 and install the last cutter module on last mould 26, it includes fixed block 30 to go up the cutter module, lower fixed block 31, bend the cutter arbor 32 and fix a position and cut cutter arbor 33, it can all be fixed in last mould 26 with lower fixed block 31 with the dismouting ground to go up fixed block 30, it has all seted up two pilot holes to correspond on fixed block 30 and the lower fixed block 31, bend cutter arbor 32 and fix a position and cut cutter arbor 33 and all install on last fixed block 30 and lower fixed block 31 through the pilot hole, and bend cutter arbor 32 and be located the location and cut the outside of cutter arbor 33. Above-mentioned mould structural design can make things convenient for the dismouting and the change of mould to the adaptation is bent and is cut the terminal of different specifications.

The main shaft servo motor 6 transmits power to the main shaft 7 through a synchronous belt, and then a first cam 8, a second cam 9 and a third cam 10 on the main shaft 7 perform circular motion along with the power; the first cam 8 realizes the up-and-down and front-and-back actions of the upper inserted link 2 through the first swing link 14, the second cam 9 realizes the up-and-down actions of the upper cutting and bending die through the second swing link 20 and through the switching of the cutting and bending swing link 21, and the third cam 10 realizes the up-and-down and front-and-back actions of the lower inserted link 3 through the third swing link 22; after the terminal is placed and fed into the feeding runner 3, the servo feeding motor 4 and the feeding ratchet wheel 5 send the terminal into a cutting and bending die, the cutting and bending are carried out for 45 degrees through the second cam 9, then the formed terminal is grabbed out by the upper insertion rod 2 and the lower insertion rod 3, the terminal moves upwards firstly and then moves horizontally, and the terminal is bent and then inserted into a product.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A terminal bending and pin inserting device is characterized by comprising a rack, a terminal automatic feeding mechanism, a bending and cutting die, an upper insertion rod, a lower insertion rod and a mechanical cam driving mechanism, wherein clamping jaws for clamping a terminal are arranged at clamping ends of the upper insertion rod and the lower insertion rod, the mechanical cam driving mechanism drives the upper insertion rod and the lower insertion rod to move up and down and back and forth through an insertion rod transmission assembly, the mechanical cam driving mechanism drives the bending and cutting die to cut and bend a terminal material belt through the bending and cutting transmission assembly,

2. The terminal bending and pin inserting device according to claim 1, wherein the terminal automatic feeding mechanism comprises a feeding flow channel, a servo feeding motor and a feeding ratchet wheel, the feeding flow channel is provided with a long-strip-shaped through hole, the feeding ratchet wheel can partially penetrate through the through hole, feeding teeth at the edge of the feeding ratchet wheel are clamped into a positioning hole of the terminal material belt, and the servo feeding motor drives the feeding ratchet wheel to rotate to convey the terminal material belt.

3. The terminal bending and pin inserting device according to claim 1, wherein the bending and cutting die is designed in a modular structure and comprises an upper die and a lower die, the lower die is fixed at the discharge end of the terminal automatic feeding mechanism, the upper die is assembled above the lower die in a vertically movable manner, a lower tool fixing block is detachably mounted at the middle part of the lower die, a lower tool is detachably mounted on the lower tool fixing block, an upper tool module is mounted on the upper die corresponding to the lower tool and comprises an upper fixing block, a lower fixing block, a bending upper tool bar and a positioning cutting upper tool bar, the upper fixing block and the lower fixing block are both detachably fixed on the upper die, two assembling holes are correspondingly formed in the upper fixing block and the lower fixing block, and the bending upper tool bar and the positioning cutting upper tool bar are both mounted on the upper fixing block and the lower fixing block through the assembling holes, and the bending upper cutter bar is positioned at the outer side of the positioning cutting upper cutter bar.

4. The terminal bending and pin inserting device according to claim 1, wherein the mechanical cam driving mechanism comprises a main shaft servo motor, a main shaft, a first cam, a second cam and a third cam, the main shaft is rotatably mounted on the frame, the upper inserted link and the lower inserted link are assembled on the frame in a manner of being capable of moving up and down and back and forth, the first cam, the second cam and the third cam are assembled on the main shaft, the main shaft servo motor drives the main shaft to rotate through a main shaft transmission assembly, the frame is provided with a first swing link in cooperation with the first cam, the first swing link drives the upper inserted link to move up and down and back and forth through the first transmission assembly, the frame is provided with a second swing link in cooperation with the second cam, the second swing link is connected with a cutting bending swing link through a transmission member, the cutting bending swing link drives a cutting die to bend and cut the terminal, and the rack is provided with a third swing rod matched with a third cam, and the third swing rod drives the lower inserted link to move up and down and back and forth through a second transmission assembly.

5. The terminal bending and pin inserting device according to claim 4, wherein the spindle transmission assembly comprises two synchronous pulleys and a synchronous belt, one synchronous pulley is mounted on an output shaft of the spindle servo motor, the other synchronous pulley is mounted at one end of the spindle, and the synchronous belt is connected to the two synchronous pulleys.

6. The terminal bending and pin inserting device according to claim 4, wherein the first transmission assembly comprises a first track block, a first lifting rod, a mounting seat and a first connecting block, the first lifting rod is assembled on the mounting seat in a lifting mode, the first track block is fixed to the bottom of the first lifting rod, the first connecting block is fixed to the first lifting rod and connected with the upper inserting rod, the middle of the first swinging rod is hinged to the rack, rollers are arranged at two ends of the first swinging rod, the roller at one end of the first swinging rod is attached to a wheel surface of the first cam, and the roller at the other end of the first swinging rod is located in a track groove of the first track block.

7. The terminal bending and pin inserting device according to claim 6, wherein the second transmission assembly comprises a second track block, a second lifting rod and a second connecting block, the second lifting rod can be assembled on the mounting seat in a lifting mode, the second track block is fixed to the bottom of the second lifting rod, the second connecting block is fixed to the second lifting rod and connected with the lower inserting rod, the middle of the third swinging rod is hinged to the rack, two ends of the third swinging rod are provided with idler wheels, the idler wheel at one end of the third swinging rod is attached to a wheel surface of a third cam, and the idler wheel at the other end of the third swinging rod is located in a track groove of the second track block.

8. The terminal bending and pin inserting device according to claim 1, wherein a movable seat is horizontally movably disposed on the frame, a vertical groove is formed in the movable seat and vertically arranged, and rollers located in the vertical groove are mounted at one end of each of the upper and lower insertion rods.

9. The terminal bending and pin inserting device according to claim 5, wherein a manual debugging handwheel is mounted on the other end of the main shaft opposite to the mounting synchronous pulley.