CN201164915Y

CN201164915Y - Pin disconnecting means

Info

Publication number: CN201164915Y
Application number: CNU2008200113103U
Authority: CN
Inventors: 曲洪祺; 殷长林; 刘杨; 王雷
Original assignee: China Hualu Panasonic AVC Networks Co Ltd
Current assignee: China Hualu Panasonic AVC Networks Co Ltd
Priority date: 2008-02-26
Filing date: 2008-02-26
Publication date: 2008-12-17
Anticipated expiration: 2018-02-26

Abstract

The utility model discloses a pin cutting device of an electronic element, which comprises a bottom plate (2), a guide rail (6) and a workpiece fixed plate (4) matching with the guide rail (6) are fixed on the bottom plate (2), a pin jack is disposed on the workpiece fixed plate (4) and is relative to a blanking hole (18) on the bottom plate (2), a fixed shear knife (13) is fixed on the bottom plate (2) at the side of the blanking hole (18), the fixed shear knife (13) is positioned on the bottom face of the workpiece fixed plate (4), and the end head of the workpiece fixed plate (4) is connected with a thrust unit. The device can cut a plurality of pins needing to be cut off of the electronic element simultaneously and maintain uniform length of pins due to the adoption of a mechanical cutting mechanism, and has advantages of easy operation, fast cutting speed, time and labor saving, improved working efficiency and reduced production cost of workpiece.

Description

The pin shearing device

Technical field

The utility model relates to a kind of pin shearing device of electronic component, and the pin that is particularly useful for various forms multitube pin electronic original part cuts off, and can carry out high efficiency cut-out to the pin of electronic component.

Background technology

Often the metal pin of electronic component need be cut to suitable length in the industrial production, and then install and use.Traditional cut-out mode is manually to cut off one by one with nipper plier.Owing to cut off the restriction of mode, in cutting-off process, pin often occurring, to cut pin irregular, cut bad phenomenon such as pin length is long or too short, and operator's labour intensity is too high, wastes time and energy, and higher percent defective has increased production cost.

Summary of the invention

The purpose of this utility model provides that a kind of cut-off velocity is fast, length dimension is accurate, time saving and energy saving, pin shearing device that the work piece production cost is low, overcomes the deficiencies in the prior art.

Pin shearing device of the present utility model, comprise base plate 2, the Workpiece fixing plate 4 that on base plate 2, is fixed with guide rail 6 and matches with guide rail 6, in that to be provided with pin jack on the Workpiece fixing plate 4 relative with blanking hole 18 on the base plate 2, on blanking hole 18 side base plates 2, be fixed with fixed cutting tool 13, fixed cutting tool 13 is positioned at the place, bottom surface of Workpiece fixing plate 4, and the termination of described Workpiece fixing plate 4 is connected to thrust unit.

Pin shearing device of the present utility model, wherein said thrust unit is and 2 handles that are connected 3 of base plate, handle 3 contacts with the left end head of Workpiece fixing plate 4, between the right-hand member of Workpiece fixing plate 4 and limiting plate 7, be provided with return spring 8, between described limiting plate 7 and the base plate 2 for fixedlying connected.

Pin shearing device of the present utility model, be provided with mobile cutting knife 10 between the bottom surface of wherein said workpiece fixture 4 and the base plate 2 and on the left of being positioned at pin jack, projection on the mobile cutting knife 10 and the hole on the workpiece fixture 4 match, be provided with jacking block 11 on pin jack right side, the bottom surface of workpiece fixture 4, the left part of jacking block 11 is tabular between fixed cutting tool 13 and workpiece fixture 4, the right part of jacking block 11 leans an end of thimble 9, the other end of thimble 9 and be fixed between the closure plate 19 on the limiting plate 7 and be provided with thimble spring 12, described thimble 9, thimble spring 12 is positioned at the hole on the limiting plate 7.

Pin shearing device of the present utility model, wherein said base plate 2 is fixed on the top of workbench 1, is provided with disconnected pin and collects box 14 on workbench 1, and disconnected pin is collected the below that box 14 just is positioned at blanking hole 18.

Pin shearing device of the present utility model, owing to adopted the armstrong's patent shut-off mechanism, but the electronic component multiway that makes each need cut off pin cuts off simultaneously, keep the length uniformity, processing ease, cut-off velocity is fast, and is time saving and energy saving, improve operating efficiency, can reduce the production cost of workpiece simultaneously.

Description of drawings

Fig. 1 is an A-A section structure schematic diagram shown in Figure 2;

Fig. 2 is the schematic top plan view of the pin shearing device of the utility model specific embodiment;

Fig. 3 is a partial enlarged drawing shown in Figure 1;

Fig. 4 is the structural representation of mobile cutting knife 10, jacking block 11, fixed cutting tool 13, thimble 9, thimble spring 12 in this specific embodiment.

The specific embodiment

As shown in the figure: 2 is base plate, and bolt has guide rail 6 on base plate 2, is furnished with Workpiece fixing plate 4 mutually with guide rail 6, is processed with the pin jack that matches with electronic element base pin on Workpiece fixing plate 4, and pin jack is relative with blanking hole 18 on the base plate 2.Be fixed with fixed cutting tool 13 on blanking hole 18 side base plates 2, fixed cutting tool 13 is positioned at the place, bottom surface of Workpiece fixing plate 4.The termination of Workpiece fixing plate 4 is connected to thrust unit.After the pin of electronic component inserts pin jack, promoting Workpiece fixing plate 4 by thrust unit moves with respect to guide rail 6, electronic component moves thereupon, can be sheared disconnectedly when pin is crossed fixed cutting tool 13 in moving process, and the length of its reservation is determined by the hole of jack on the workpiece fixture 4 is long.The pin that cuts off can fall from blanking hole 18.

Cut off effect preferably in order to have, bolting has guide rail fixed plate 5 on base plate 2, and guide rail 6 is bolted to the dual-side of guide rail fixed plate 5, is furnished with Workpiece fixing plate 4 mutually with guide rail 6 and is positioned at the centre of two side rails 6 and is positioned at guide rail fixed plate 5 tops.Relative with blanking hole 18 on the base plate 2 at the pin jack of centre position processing on the Workpiece fixing plate 4 by the through hole on the guide rail fixed plate 5.Fixed cutting tool 13 can be fixed on the guide rail fixed plate 5 and be positioned at place, Workpiece fixing plate 4 bottom surfaces.

The structure of thrust unit is: the bottom head of handle 3 is connected with base plate 2 hinges by axle 17, and handle 3 contacts with the left end head of Workpiece fixing plate 4.Between the right-hand member of Workpiece fixing plate 4 and limiting plate 7, be provided with return spring 8, be connected for bolting between limiting plate 7 and the base plate 2.Driving handle 3 rotates with respect to base plate 2, can promote Workpiece fixing plate 4 and slide with respect to guide rail 6, and return spring 8 is compressed simultaneously.

Between the bottom surface of workpiece fixture 4 and base plate 2 and be positioned at the pin jack left side and be provided with mobile cutting knife 10, the bumping square on the mobile cutting knife 10 inserts in the respective aperture on the workpiece fixture 4.Be provided with jacking block 11 on pin jack right side, the bottom surface of workpiece fixture 4, the left part of jacking block 11 is tabular between fixed cutting tool 13 and workpiece fixture 4, the right part of jacking block 11 is crosswise, all lean an end of thimble 9, be connected for screw between the other end of four thimbles 9 and be fixed between the closure plate 19 on the limiting plate 7 and be provided with thimble spring 12, closure plate 19 and limiting plate 7.Thimble 9, thimble spring 12 are positioned at the hole on the limiting plate 7.

Base plate 2 is fixed on the top of workbench 1, is provided with disconnected pin and collects box 14 on workbench 1, and disconnected pin is collected the below that box 14 just is positioned at blanking hole 18.

The course of work is as follows: the electronic component 15 that earlier desire is cut off pin is inserted on the Workpiece fixing plate 4, pin one 6 exposes from the below, manual driving handle 3, making workpiece fixture 4 drive electronic component 15 moves right, mobile simultaneously cutting knife 10 moves thereupon, return spring 8 is compressed, mobile cutting knife 10 and the jacking block 11 relative pin ones 6 that bear against, when pin one 6 touches fixed cutting tool 13, begin to shear pin, thimble spring 12 applies certain pretightning force for jacking block 11 by thimble 9, the part of breaking after pin is cut off can fall into disconnected pin and collect in the box 14, when release handle 3, make this device return to the home position, take off electronic component 15 and get final product by return spring 8 and thimble spring 12.

Claims

1, a kind of pin shearing device, it is characterized in that: comprise base plate (2), the Workpiece fixing plate (4) that on base plate (2), is fixed with guide rail (6) and matches with guide rail (6), in that to be provided with pin jack on the Workpiece fixing plate (4) relative with blanking hole (18) on the base plate (2), on blanking hole (18) side base plate (2), be fixed with fixed cutting tool (13), fixed cutting tool (13) is positioned at the place, bottom surface of Workpiece fixing plate (4), and the termination of described Workpiece fixing plate (4) is connected to thrust unit.

2, pin shearing device according to claim 1, it is characterized in that: the handle (3) of described thrust unit for being connected with base plate (2) axle, handle (3) contacts with the left end head of Workpiece fixing plate (4), between the right-hand member of Workpiece fixing plate (4) and limiting plate (7), be provided with return spring (8), between described limiting plate (7) and the base plate (2) for fixedlying connected.

3, pin shearing device according to claim 2, it is characterized in that: be provided with mobile cutting knife (10) between the bottom surface of described workpiece fixture (4) and the base plate (2) and on the left of being positioned at pin jack, hole on projection on the mobile cutting knife (10) and the workpiece fixture (4) matches, pin jack right side, bottom surface at workpiece fixture (4) is provided with jacking block (11), the left part of jacking block (11) is tabular being positioned between fixed cutting tool (13) and the workpiece fixture (4), the right part of jacking block (11) leans an end of thimble (9), the other end of thimble (9) and be fixed between the closure plate (19) on the limiting plate (7) and be provided with thimble spring (12), described thimble (9), thimble spring (12) is positioned at the hole on the limiting plate (7).

4, pin shearing device according to claim 3, it is characterized in that: described base plate (2) is fixed on the top of workbench (1), be provided with disconnected pin and collect box (14) on workbench (1), disconnected pin is collected the below that box (14) just is positioned at blanking hole (18).