CN201015784Y

CN201015784Y - Minitype riveting and punching device

Info

Publication number: CN201015784Y
Application number: CNU2006201394143U
Authority: CN
Inventors: 马宏亚
Original assignee: BEIJING HEZHI PRECISION ELECTROMECHANICAL INDUSTRY CO LTD
Current assignee: BEIJING HEZHI PRECISION ELECTROMECHANICAL INDUSTRY CO LTD
Priority date: 2006-12-30
Filing date: 2006-12-30
Publication date: 2008-02-06
Anticipated expiration: 2016-12-30

Abstract

A small size riveting device comprises a stand(1). A standing frame(1a) is arranged on the stand. A lifting unit type head(13) is mounted on upper part of the frame. A die support(2) is positioned below the unit type head; a lower die seat(6) which is fixed on the stand through a fastener is slideably embedded in the guide slot(1b) of the sole board of the stand; and an upper die seat(7) is slideably sleeved on a guide pole(8) which is fixed relative to the lower die seat; the top face of the upper die seat is provided with installation port(11a) whose mouth in rolled inward; the downward step face(11b) at the two sides of the installation hole is slideably plugging into the loop slot(13a) which is radially concaved and is in the lower side wall of the unit type head; the upper and the lower die seats are respectively provided with an upper riveting tool(14) and a lower riveting tool(15). The riveting device relating to the utility model is convenient in exchange of the variable die supports, saving the equipment source, easing the abrasion of the component and increasing processing precision and prolonging service life of equipment.

Description

Small-sized riveting device

Technical field

The utility model belongs to a kind of machining equipment, especially for the riveting device of miniaturized component processing.

Background technology

In the production of some miniaturized electronic devices, often need carry out riveting processing, for example in the processing of USB terminal, with lead with after terminal is electrically connected, also need to be fastenedly connected by the riveting brace and lead (18a) outer wall of riveting with USB terminal (18b), this process is finished by small-sized terminal riveting device, the existing small-sized terminal riveting device of this class primary structure is (referring to Fig. 1): be provided with support (1) and die frame (2), the support top is provided with unit head (13), die frame is provided with and the relatively-stationary die shoe of support (6), with the upper bolster (7) that is contained in that die shoe lead (8) is gone up and is in transmission connection with unit head (13) on the support, on, riveting cutter (14) and following riveting cutter (15) are housed respectively on the die shoe, in actual process, the connecting portion of USB terminal (18b) and lead (18a) is placed down between riveting cutter (15) and the last riveting cutter (14), unit head (13) is gone up riveting cutter (14) by the upper bolster drive and is moved downward, and USB terminal and lead riveting are fastenedly connected; The entire die frame of existing this class device all is to fixedly connected with support: wherein die shoe is fixedlyed connected with the support base; the upper bolster that is contained on the die shoe lead is fixedlyed connected with unit head; so a table apparatus can only use a kind of mould; when product size change to need more mold exchange; will change to another device and go up processing; cause the waste of device resource; simultaneously; because the upper bolster that is contained on the lead is to fixedly connected with unit head; in process if the deviation of directivity takes place; be easy to make the be rigidly connected position and the lead generation wearing and tearing of unit head and upper bolster; influence riveting machining accuracy and service life of equipment; in addition; the deficiency that this class device exists also has: after going up the riveting cutter and workpiece being carried out riveting processing downwards, rise under unit head drives, rise with last riveting cutter on attached to last riveting cutter and the riveting workpiece occurs through regular meeting this moment; at this moment have only earlier workpiece and last riveting cutter are peeled off after the ability material returned, influenced working (machining) efficiency.

Summary of the invention

The technical problems to be solved in the utility model is to overcome above-mentioned deficiency, provides a kind of and is convenient to change the use multiple kinds of molds, and can reduce component wear, improves the small-sized riveting device of machining accuracy.

The problem that the utility model further will solve provides and a kind ofly can be automatically workpiece be compressed the small-sized riveting device that stable, completion of processing again can be automatically peeled off workpiece and mould mutually.

The technical scheme that addresses the above problem is (referring to implementing illustration): the utility model is provided with support (1), support is provided with the frame (1a) that erects, upper rack is equipped with liftable unit head (13), the unit head below is provided with die frame (2), it is characterized in that: described die frame (2) is provided with to be slidingly matched and embeds in the frame bottom plate gathering sill (1b), and by securing member and the relatively-stationary die shoe of support (6), upper bolster (7) be enclosed within with being slidingly matched with the relatively-stationary lead of die shoe (8) on, its upper surface inner side edge is provided with the installing port (11a) to inner opening, the downward step surface (11b) in installing port both sides embeds in the radially recessed cannelure (13a) of unit head lower sides with being slidingly matched, make upper bolster (7) vertical on the step that rides over the unit head cannelure (13b), on, relative last riveting cutter (14) and following riveting cutter (15) are housed respectively on the die shoe.

Further scheme of the present utility model is that upper bolster (7) top is provided with connecting plate (11), the described riveting cutter (14) of going up is contained in the connecting plate below, last riveting cutter rear portion is provided with the vertical guide pillar (12) that passes connecting plate to being slidingly matched, binder stripper (16) is equipped with in the guide pillar lower end, be with spring (19) on the guide pillar, upper rack is provided with the limiting component to the below guide pillar.

Die frame of the present utility model (2) is to removably connect with support, during the installation mold frame, upper bolster (7) is enclosed within on the lead (8) that is fixed in die shoe with being slidingly matched, die shoe (6) is pushed in the gathering sill (1b) of support, adjust the height of unit head simultaneously, make the annular groove (13a) of installing port (11a) the aligning unit head of upper bolster upper end, inwardly promote die frame, make installing port (11a) dual-side embed the annular groove of unit head, the downward step surface (11b) in installing port both sides rides on the step (13b) of unit head cannelure, upper bolster (7) is in transmission connection with unit head (13) in vertical direction, then with securing member with die shoe and support relative fixed.When needing to change die frame, only the securing member that need unclamp between die shoe and the support can be pulled out die frame, makes upper bolster break away from unit head simultaneously.

The further scheme of the utility model in the function that last riveting cutter rear portion is provided with binder stripper (16) is: adjust the binder stripper to such an extent that be lower than and go up the riveting cutter, when the last riveting cutter of unit head drive moves downward, be lower than the binder stripper (16) of going up the riveting cutter and contact the workpiece that places down on the riveting cutter earlier, and along with the decline elastic compression workpiece of last riveting cutter, play the effect of stablizing workpiece, behind the riveting EO, upper bolster rises under the drive of unit head, the limiting component that guide pillar (12) upper end that is contained in movingly on the upper bolster is contacted earlier on the frame stops to rise, top mold frame then continues to rise, if go back clamping on this moment on the riveting cutter workpiece (18) is arranged, the binder stripper that stops to rise promptly can act on the workpiece that is clamped on the riveting cutter downwards, it is come off downwards, play the effect of the automatic material returned.

Riveting device of the utility model can be changed easily and use the multiple kinds of molds frame, saved device resource, and because upper bolster on the die frame and unit head are to flexibly connect in the horizontal direction, upper bolster only be subjected to vertically to driving force, therefore can reduce unit head and upper bolster, and the wearing and tearing that are subjected to horizontal direction power between upper bolster and the lead, improve machining accuracy and service life of equipment.

The binder stripper work in-process of the further scheme setting of the utility model can play the effect of stablizing workpiece that compresses automatically, in completion of processing withdrawing process, can play automatically again workpiece from the effect that last riveting cutter pushes, and has improved working (machining) efficiency.

Description of drawings

Fig. 1, the utility model example structure schematic diagram

Fig. 2, Fig. 1 embodiment die frame 2 and unit head 13 disengaged position structural representations

Structural representation when Fig. 3, Fig. 1 embodiment workpiece 18 rise with last riveting cutter 14

Fig. 4, pusher holding pad 16 push behind the schematic diagram 1-support 1a-frame 1b-gathering sill 2-die frame 3-microswitch fixed block 4-microswitch 5-cylinder 6-die shoe 7-upper bolster 8-lead 9-upper bolster of back plate 10-limited block 11-connecting plate 12-guide pillar 13-unit head 14-with workpiece 18 shown in Figure 3 from last riveting cutter 14 and go up under the riveting cutter 15-riveting cutter 16-binder stripper to 17-microswitch probe 18-workpiece 18a-lead 18b-USB terminal 19-spring

Specific embodiments

Referring to Fig. 1, Fig. 2, this example is the small-sized riveting device of processing USB terminal.

Support 1 rear portion is provided with vertically and erects, the  shape frame 1a that the upper end level is extended forward, unit head 13 is contained in the below of horizontal component frame, and be contained in frame top, can drive its vertical cylinder 5 and be in transmission connection to motion.

Die frame 2 is provided with die shoe 6, the die shoe basal sliding embeds the support front and back ordinatedly to the swallow-tail form gathering sill 1b that is provided with, riveting cutter 15 is equipped with down in the die shoe front portion, the rear portion be provided with that a cross section is square vertically to block lead 8, upper bolster 7 rear portions are enclosed within on the lead 8 with being slidingly matched, the lead cross section is square, can prevent the circumferential rotation of upper bolster, adopt a block lead that cross section is bigger simultaneously, can increase the area that is slidingly connected between upper bolster and the guiding cylinder, make upper bolster more stable at work.

Upper bolster 7 upper-end front be equipped with level to connecting plate 11, last riveting cutter 14 is contained in the connecting plate bottom, and the following riveting cutter 15 on the die shoe, last riveting cutter rear portion is provided with two horizontal open distances, and be slidingly matched pass connecting plate 11 vertically to guide pillar 12, two guide pillar lower ends are connected with binder stripper 16, top is stretched out and is higher than connecting plate 11, exceed on the guide pillar body of connecting plate spacing snap ring 12a is housed, guide pillar 12 is being with spring 19 on the cylinder between binder stripper 16 and the top connecting plate 11, the horizontal component on frame 1a top constitutes the limiting component that guide pillar 12 makes progress.

Referring to Fig. 2, connecting plate 11 back side edge are provided with the forward recessed installing port 11a consistent with support gathering sill 1b direction, the downward level in installing port both sides is in step surface 11b embeds the radially recessed cannelure 13a of unit head 13 lower sides with being slidingly matched, distance is identical with unit head cannelure groover rot diameter between the vertical walls of installing port both sides, the downward distance of level between two vertical walls in the step surface 11b outside in both sides equals the unit head external diameter of cannelure bottom, after like this upper bolster being hung in the unit head cannelure, can prevent that upper bolster left and right sides heavy curtain is moving.

This example is provided with the screw fastener that upwards is screwed into from base 1 bottom surface, can be by this holding screw with die shoe and support relative fixed when die shoe 6 slides the location along gathering sill after.

The rear of riveting cutter 15 is provided with limited block 10 under die shoe, limited block is provided with the microswitch 17 that is connected with the riveting control circuit, when workpiece is placed on down on the riveting cutter, when inwardly shifting the limited block position onto and contacting microswitch, can start the power drives unit head automatically by control circuit and move downward and carry out riveting operation.This routine microswitch is contained in the support rear portion, and the through hole that the fine motion probe on it passes the die shoe lead reaches limited block 10 leading sections.

Claims

1. small-sized riveting device, be provided with support (1), support is provided with the frame (1a) that erects, upper rack is equipped with liftable unit head (13), the unit head below is provided with die frame (2), it is characterized in that: described die frame (2) is provided with to be slidingly matched and embeds in the frame bottom plate gathering sill (1b), and by securing member and the relatively-stationary die shoe of support (6), upper bolster (7) be enclosed within with being slidingly matched with the relatively-stationary lead of die shoe (8) on, its upper surface inner side edge is provided with the installing port (11a) to inner opening, the downward step surface (11b) in installing port both sides embeds in the radially recessed cannelure (13a) of unit head lower sides with being slidingly matched, make upper bolster (7) vertical on the step that rides over the unit head cannelure (13b), relative last riveting cutter (14) and following riveting cutter (15) are housed respectively on the die holder up and down.

2. small-sized riveting device according to claim 1, it is characterized in that: described upper bolster (7) top is provided with connecting plate (11), the described riveting cutter (14) of going up is contained in the connecting plate below, last riveting cutter rear portion is provided with the vertical guide pillar (12) that passes connecting plate to being slidingly matched, binder stripper (16) is equipped with in the guide pillar lower end, be with spring (19) on the guide pillar, upper rack is provided with the limiting component to the below guide pillar.

3. small-sized riveting device according to claim 2, it is characterized in that: described upper bolster (7) upper-end front be equipped with level to connecting plate (11), last riveting cutter (14) is contained in the connecting plate bottom, last riveting cutter rear portion is provided with two horizontal open distances, and be slidingly matched pass connecting plate (11) described vertically to guide pillar (12), two guide pillar lower ends are connected with binder stripper (16), top is stretched out and is higher than connecting plate (11), exceed on the guide pillar body of connecting plate spacing snap ring (12a) is housed, guide pillar (12) is with spring (19) on the cylinder that is positioned between binder stripper (16) and the top connecting plate (11), the horizontal component that extend forward on frame (1a) top constitutes the limiting component that guide pillar (12) makes progress.

4. small-sized riveting device according to claim 1, it is characterized in that: described die shoe basal sliding embeds the support front and back ordinatedly to the swallow-tail form gathering sill (1b) that is provided with, riveting cutter (15) is equipped with down in the die shoe front portion, the rear portion be provided with that a cross section is square vertically to block lead (8), upper bolster (7) rear portion is enclosed within on the lead (8) with being slidingly matched.

5. small-sized riveting device according to claim 1 is characterized in that: be provided with limited block (10) at following riveting cutter (15) rear portion, the limited block front end is provided with the microswitch (17) that is connected with the riveting control circuit.