CN2609883Y

CN2609883Y - Connecting pliers for automatic adhesion web

Info

Publication number: CN2609883Y
Application number: CN 03224953
Authority: CN
Inventors: 田�健; 田鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-04-04
Filing date: 2003-04-04
Publication date: 2004-04-07
Anticipated expiration: 2013-04-04

Abstract

The utility model discloses an automatic pasting material belt connecting clamp, which comprises an upper jaw plate, a lower jaw plate, wherein the lower jaw plate is provided with a movable guide pin mechanism and the upper jaw plate is detachably connected to the front extending end of the upper power arm of the four bar mechanism and the lower jaw plate is detachably connected to the front extending end of the swinging arm of the four bar mechanism. The swinging arm is respectively connected with the upper power arm and the lower power arm through a revolute joint near the upper jaw plate and the lower jaw plate, and also a locking swinging arm is respectively connected with the upper power arm and the lower power arm through a revolute joint far from the upper jaw plate and the lower jaw plate. The utility model achieves even force application and more stable connecting quality and is convenient to discharge. The upper jaw plate and the lower jaw plate can be changed, thereby being applicable to the belt connection with various types.

Description

The automatic chip mounting strip connects pincers

Technical field

The utility model relates to the connecting device in a kind of automatic chip mounting technology of electronic component, relates in particular to the connection pincers of the strip that is used as component carrier in the automatic chip mounting technology.

Background technology

Because the develop rapidly of science and technology, electronics industry is maked rapid progress, and the specification of the strip of carriers for electronic components and kind come the moon many more more, to the corresponding raising of bonding requirements of strip, the interconnection technique of two sections strips also improves thereupon, and the quality of strip quality of connection is very big to the electronic product influence of paster.Chinese patent CN 2495623Y discloses a Seed packaged band adaptor union, and this adaptor union adopts the upper and lower gland of staff folding to compress the connection copper sheet, thereby reaches the purpose that two sections strips are connected together.This adaptor union pressing connects the pressure of copper sheet and is controlled by operator's hand fully, the size of promptly at every turn exerting pressure changes, for the strip of different-thickness, width, quality, hand control pressure size can not be grasped more exactly, pressure is big or little all be irrational; When pressure is excessive, can make strip release the registration mast difficulty; How last lower cover coincide, and how to guarantee that promptly registration mast cooperates with the knock hole of loam cake, does not also disclose in the application documents, and manual operations is difficult to guarantee that everything all can influence the quality of connection of strip.For the strip of different size, then want this adaptor union of integral replacing in addition, cost is higher.

Summary of the invention

The utility model be to solve strip connect in pressure force be difficult to control etc., thereby influence quality of connection and cost technical problems of high, it is more accurate to propose a kind of pressure control, and quality of connection has certain assurance, and the automatic chip mounting strip that can change pressure mouth connects pincers.

The technical solution of the utility model is that a kind of automatic chip mounting strip of structure connects pincers, this connects pincers, comprise upper and lower jaw, described maxillary plate is provided with movable pilot pin mechanism, described acia separable joint is in the anterior extension end of the last power arm of four-bar mechanism, described maxillary plate separable joint is in the anterior extension end of the swing arm of four-bar mechanism, described swing arm is sentenced A, B two near jaw up and down and is rotated to pay to connect respectively and go up power arm and following power arm, also have a locking swing arm from jaw up and down rotate with C, D two at a distance pay connect respectively described about power arm.

The A that is connected of described swing arm and last power arm rotates and pays to hinge connects, and forms that power arm hole herein is the elliptical aperture on the parallel maxillary plate installing and locating pin of major axis cardinal principle plane on this bonded assembly; The retainer ring that is symmetrically set in the power arm both sides connects the bearing pin of described A hinge and the pin that power arm is gone up in its top.

Described pilot pin mechanism, comprise the transversely arranged pilot pin of maxillary plate stitching surface, fixing described pilot pin lower end cross bar, pay driving lever, this driving lever that the made pilot pin that is connected in described swing arm front end moves up and down and be provided with and can make its retracing spring of being close to described maxillary plate by rotating, an end of this driving lever inserts in the hole at described cross bar middle part.

The two ends of described maxillary plate stitching surface pilot pin rear side are respectively equipped with the clamping element that can rotate on stitching surface.

Described acia and maxillary plate are can be according to the jaw of production requirement replacing.

The four piece pilot pins of described pilot pin for arranging by certain requirement.

The right side of described locking swing arm is provided with the part ratchet, the upside of this ratchet is provided with groove, locking spring connects the hole and the pin of locking on the last power arm in swing arm left side of described locking swing arm up extension end, be provided with by rotating on the described power arm down and pay the bonded assembly ratchet, spring connects the hole and the described pin of power arm bottom down of described ratchet.

The utility model adopts four bar structures to give the upper jaw and the lower jaw and exerts pressure, pressure between the upper jaw and the lower jaw reaches one regularly, the power that following power arm applies just can not passed to swing arm, but make down power arm pair rotate counterclockwise around rotating itself and being connected of swing arm, thereby the size of control presssure guarantees quality of connection effectively; Pilot pin can withdraw from the knock hole of strip freely under the operation of driving lever, so that the unloading fast of strip; Coincideing of pilot pin and acia guaranteed that by machinery precision is higher.As long as replace with the connection that maxillary plate just can be realized the different size strip according to producing needs in addition, so that cost-cutting.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail, wherein:

Fig. 1 is the block diagram that the utility model connects pincers;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is Fig. 2 A local structure scheme drawing when pilot pin withdraws from;

Fig. 4 is the utility model locking state structural representation;

Fig. 5 is that Fig. 1 filling band connects working state schematic representation.

The specific embodiment

As Fig. 1, shown in 2, be embodiment of the present utility model, a kind of automatic chip mounting strip connects pincers, comprise acia 1, maxillary plate 2, described maxillary plate 2 is provided with movable pilot pin mechanism, described acia 1 screw is connected in the anterior extension end E place of the last power arm 10 of four-bar mechanism, described maxillary plate 2 screws are connected in the anterior extension end F place of the swing arm 30 of four-bar mechanism, described swing arm 30 close jaws are up and down sentenced A, B two hinges connect power arm 10 and following power arm 20 respectively, also have a locking swing arm 40 from jaw up and down the distant place with C, D two hinges connect described power arm up and down respectively.The A that is connected of described swing arm 30 and last power arm 10 rotates and pays to hinge connects, and forms that power arm 10 hole herein is the elliptical aperture 22 on the parallel maxillary plate 2 installing and locating pins of major axis cardinal principle 3 planes on this bonded assembly; The retainer ring 23 that is symmetrically set in power arm 10 both sides connects the bearing pin 24 of described A hinge and the pin 13 that power arm 10 is gone up in its top.Described pilot pin mechanism, comprise that maxillary plate 2 stitching surfaces are laterally by four pilot pins 3 of certain requirement arrangement, the cross bar 4 of fixing described pilot pin lower end, be connected in the driving lever 5 that the made pilot pin 3 of described swing arm 30 front ends moves up and down by the G hinge, this driving lever is provided with and can makes its retracing spring of being close to described maxillary plate 27, and an end of this driving lever inserts in the hole 6 at described cross bar 4 middle parts.The two ends of described maxillary plate 2 stitching surface pilot pin rear sides are respectively equipped with the clamping element 18 that can rotate on stitching surface.Described acia 1 and the jaw of maxillary plate 2 for changing, the right side of described locking swing arm 40 is provided with part ratchet 8, the upside of this ratchet is provided with groove 9, locking spring 11 connects the hole 12 of described locking swing arm 40 up extension ends and locks the pin 13 on the power arm 10 on swing arm 40 left sides, described power arm 20 down is provided with the hinged ratchet 14 by H, and spring 15 connects the hole 16 and the described pin 17 of power arm bottom down of described ratchet.

Shown in Fig. 2,3, the principle of work of the utility model pilot pin mechanism.Retracing spring 7 is close to maxillary plate 2 by driving lever 5 with cross bar 4 during dead work, so that pilot pin 3 passes the stitching surface of maxillary plate, the knock hole that is used for connected two sections strips is hitched the location; If when occurring that the bonded assembly strip can not conveniently withdraw from this pilot pin, can stir driving lever 5 it is rotated counterclockwise around the G hinge, thereby stir cross bar so that pilot pin moves down the release stitching surface, the bonded assembly strip just can unload easily so.

As shown in Figure 4, the utility model locking state.When firmly holding up and down power arm 1,2, the jaw move toward one another compresses connection until closing up and down; At present power arm 20 rotates counterclockwise around the D hinge together, two power arms are drawn close, when ratchet 14 contact portion ratchets 8, the slip plane 19 of ratchet 14 slides on the gear teeth of ratchet 8, be that ratchet 14 can rotate counterclockwise around the H hinge, not afterburning in case loose one's grip, locking swing arm 40 makes it rotate counterclockwise around the C hinge under locking spring 11 effects, this moment, the tooth top of ratchet 8 contacted with the running surface 21 of ratchet, analyzing as can be known from structure, this four-bar mechanism is in self-locking state, the pressure that can make connected piece obtain certain value so also can keep a period of time, so that guarantee quality of connection; If continue to hold two power arms, the slip plane 19 of ratchet 14 continues to slide on the gear teeth of ratchet 8, in the groove 9 of ratchet 14 landings locking swing arm 40, because the effect of locking spring 11 locking swing arm 40 can rotate counterclockwise around the C hinge, at this moment the running surface 21 of ratchet 14 just slides on ratchet 8 tooth tops, and can clockwise rotate self-locking releasing around the H hinge, power arm 10,20 resets up and down, and jaw 1,2 opens up and down.

As shown in Figure 2, this connection pincers are when just beginning the pressing connection, and swing arm 30 just clockwise rotates around the A hinge, and the gap of bearing pin 24 and elliptical aperture 22 is in the below of this bearing pin; When power arm 40 continues reinforcing instantly, swing arm 30 continues to clockwise rotate around the A hinge, make that the pressure between the jaw 1,2 increases up and down, swing arm 30 drive bearing pins 24 move along elliptical aperture 22 belows so, so can alleviate the pressure between the jaw 1,2 up and down, in order to avoid the afterburning excessive connection strip that damages by pressure; For avoiding stress reduction excessive, influence quality of connection, thereby it is excessive to adopt retainer ring 23 to limit the displacement of bearing pin 24.

As shown in Figure 5, the utility model filling band mode of operation.To connect copper button 32 during connection earlier is placed on the pilot pin 3, make it have the burr limit towards connected piece, two strips 31 that will cut flat again edge fit are placed on the connection copper button 32, rotating clamping element 18 respectively presses and scrapes it to be connected strip 31, hold then and connect that pincers are afterburning to be connected, unload connected strip after so finishing whole operations.

Claims

1, a kind of automatic chip mounting strip connects pincers, comprise acia (1), maxillary plate (2), it is characterized in that: described maxillary plate (2) is provided with movable pilot pin mechanism, described acia (1) separable joint is in the anterior extension end of the last power arm (10) of four-bar mechanism, described maxillary plate (2) separable joint is in the anterior extension end of the swing arm (30) of four-bar mechanism, described swing arm (30) is near last, maxillary plate is sentenced A, B two rotates to pay to connect respectively and goes up power arm (10) and following power arm (20), also has a locking swing arm (40) from last, maxillary plate is at a distance with C, D two rotate pay connect respectively described on, following power arm.

2, according to the described connection pincers of claim 1, it is characterized in that: the A that is connected of described swing arm (30) and last power arm (10) rotates and pays to hinge connects, and forming power arm on this bonded assembly (10) hole herein is the elliptical aperture (22) on major axis cardinal principle parallel maxillary plate (2) installing and locating pin (3) plane; The retainer ring (23) that is symmetrically set in power arm (10) both sides connects the bearing pin (24) of described A hinge and the pin (13) that power arm (10) is gone up in its top.

3, according to the described connection pincers of claim 2, it is characterized in that: described pilot pin mechanism, the cross bar (4) that comprises the transversely arranged pilot pin (3) of maxillary plate (2) stitching surface, fixing described pilot pin lower end, by rotate paying the driving lever (5) that made pilot pin (3) that (G) be connected in described swing arm (30) front end moves up and down, this driving lever is provided with and can makes its retracing spring of being close to described maxillary plate (2) (7), and an end of this driving lever inserts in the hole (6) at described cross bar (4) middle part.

4, according to the described connection pincers of claim 3, it is characterized in that: the two ends of described maxillary plate (2) stitching surface pilot pin rear side are respectively equipped with the clamping element (18) that can rotate on stitching surface.

5, according to the described connection pincers of claim 4, it is characterized in that: described acia (1) and maxillary plate (2) jaw for changing.

6, according to the described connection pincers of claim 5, it is characterized in that: the four piece pilot pins of described pilot pin (3) for arranging by certain requirement.

7, according to the described connection pincers of claim 6, it is characterized in that: the right side of described locking swing arm (40) is provided with part ratchet (8), the upside of this ratchet is provided with groove (9), locking spring (11) connects the hole (12) of described locking swing arm (40) up extension end and locks the pin (13) on the power arm (10) on swing arm (40) left side, described power arm (20) down is provided with by rotating and pays (H) bonded assembly ratchet (14), and spring (15) connects the hole (16) and the described pin (17) of power arm bottom down of described ratchet.