CN209935756U

CN209935756U - Lead wire straightening device

Info

Publication number: CN209935756U
Application number: CN201920625657.5U
Authority: CN
Inventors: 黄祥厚
Original assignee: Jiangmen Yangzi Automation Technology Co Ltd
Current assignee: Jiangmen Yangzi Automation Technology Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-01-14
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to a lead straightening device, which comprises a frame, wherein at least one guide wheel group used for adjusting the tensile force of a lead is arranged on the frame; a straightening mechanism for straightening the lead is arranged behind the guide wheel set; the straightening mechanism comprises a longitudinal straightening structure and a transverse straightening structure which are sequentially connected and can increase the straightening distance of the lead, and a positioning block which accurately conveys the lead to a cutting station is arranged at the rear of the transverse straightening structure. The utility model discloses a lead wire device of flare-outing can the multidimension degree flare-outing, and flare-outing is effectual, application scope is wide.

Description

Lead wire straightening device

Technical Field

The utility model relates to a wire rod unwrapping wire processing technology field of flare-outing, concretely relates to lead wire device of flare-outing.

Background

The wire bonding is a process of connecting each electrode of the electronic component to the lead-out wire (i.e., pin) of the socket using a metal wire. The metal leads are generally wound in a coil form in a bobbin manner, and the leads need to be straightened and cut to a desired length before being soldered to the electronic components. Because the metal lead is easy to be bent in different degrees when being wound into a coil, the common lead paying-off mechanism generally straightens the lead by pressing the lead through the upper pressing plate and the lower pressing plate, the straightening mode cannot realize multidimensional straightening, and the straightening effect is poor.

Disclosure of Invention

The utility model aims at solving the defects of the prior art and providing a lead straightening device which can straighten in multiple dimensions, has good straightening effect and wide application range.

The utility model adopts the technical proposal that: a lead straightening device comprises a rack, wherein at least one guide wheel set used for adjusting the tension of a lead is arranged on the rack; a straightening mechanism for straightening the lead is arranged behind the guide wheel set; the straightening mechanism comprises a longitudinal straightening structure and a transverse straightening structure which are sequentially connected and can increase the straightening distance of the lead, and a positioning block which accurately conveys the lead to a cutting station is arranged at the rear of the transverse straightening structure.

Preferably, the longitudinal straightening structure is provided with a plurality of longitudinal pressing wheel set units, each longitudinal pressing wheel set unit comprises an upper longitudinal pressing wheel and a lower longitudinal pressing wheel, and the upper longitudinal pressing wheel and the lower longitudinal pressing wheel are distributed in a staggered manner.

Preferably, a longitudinal adjusting piece for adjusting the distance between the upper longitudinal pressing wheel and the lower longitudinal pressing wheel is connected above the upper longitudinal pressing wheel.

Preferably, a first guide pressing wheel set for accurately conveying the lead to the transverse straightening structure is arranged behind the longitudinal pressing wheel set unit.

Preferably, the transverse straightening structure is provided with a plurality of transverse pressing wheel group units, each transverse pressing wheel group unit comprises an inner transverse pressing wheel and an outer transverse pressing wheel, and the inner transverse pressing wheel and the outer transverse pressing wheels are distributed in a left-right staggered manner.

Preferably, a transverse adjusting piece for adjusting the distance between the outer transverse pressing wheel and the inner transverse pressing wheel is connected to the outer side of the outer transverse pressing wheel.

Preferably, a second guide pressing wheel set for accurately conveying the lead to the positioning block is arranged behind the transverse pressing wheel set unit.

Preferably, the first guide pressing wheel set and the second guide pressing wheel set are respectively provided with an adjusting component for adjusting the distance between the inner guide pressing wheel and the outer guide pressing wheel on the first guide pressing wheel set and the second guide pressing wheel set.

Preferably, the adjusting part include connecting piece, slider, guide rail and locating part, the connecting piece be connected with outer direction pinch roller, thereby outer direction pinch roller passes through the slider and drives the connecting piece and slide on the guide rail and adjust the distance between interior direction pinch roller and the outer direction pinch roller.

Preferably, the guide wheel group comprises a guide wheel I, a guide wheel II, a guide wheel III, a guide wheel IV, a guide wheel V, a guide wheel VI and a guide wheel VII, which are used for leading wires to sequentially pass.

Preferably, the positioning block is provided with a positioning hole for the lead to pass through.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses a lead wire device of flare-outing utilizes vertical pressure to straighten structure and horizontal pressure to straighten the structure and straighten the lead wire to realize that the multidimension degree is straightened, improve the degree of straightening of lead wire.

2. The utility model discloses a lead wire device of flare-outing, its vertical structure of flare-outing and horizontal structure of flare-outing utilize respectively about and the upper vertical pinch roller and the lower vertical pinch roller of the distribution of staggering, and about and the horizontal pinch roller of interior horizontal pinch roller and the outer horizontal pinch roller of the distribution of staggering straightens the lead wire, improve the area of contact of pinch roller and lead wire, increase the flare-outing distance of lead wire, further improve the degree of flare-outing of lead wire.

3. The utility model discloses a lead wire device of flare-outing utilizes the lead wire to walk around leading wheel one, leading wheel two, leading wheel three, leading wheel four, leading wheel five, leading wheel six and leading wheel seven in proper order for the lead wire has before getting into the straightening mechanism with the required tensile force of straightening mechanism, be lax state when avoiding the lead wire to get into in the straightening mechanism, influence the degree of flare-outing of lead wire.

4. The utility model discloses a lead wire device of flare-outing adjusts the distance between vertical pinch roller and lower vertical pinch roller, outer horizontal pinch roller and the interior horizontal pinch roller through vertical regulating part and horizontal regulating part respectively, makes its distance between the big or small regulation pinch roller that can be according to the lead wire diameter, increases this lead wire device of flare-outing's application scope.

5. The utility model discloses a lead wire device of flare-outing can set up a plurality of direction wheelsets and straightening mechanism, can straighten the lead wire of a plurality of spools simultaneously, makes its demand that can cooperate to have many lead wire welding station equipment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a plan view of the present invention.

Fig. 4 is a sectional view taken along a-a of fig. 3.

Fig. 5 is a schematic structural view of the vertical straightening structure of the present invention.

FIG. 6 is a schematic structural view of the lateral straightening structure of the present invention

The numbers in the figures indicate:

1-rack, 2-guide wheel set, 21-guide wheel I, 22-guide wheel II, 23-guide wheel III, 24-guide wheel IV, 25-guide wheel V, 26-guide wheel VI, 27-guide wheel VII, 3-longitudinal straightening structure, 31-longitudinal pinch roller set unit, 311-upper longitudinal pinch roller, 312-lower longitudinal pinch roller, 313-longitudinal adjusting piece, 32-guide pinch roller set I, 321-inner guide pinch roller, 322-outer guide pinch roller, 323-adjusting component, 3231-connecting piece, 3232-sliding block, 3233-guide rail, 3234-limiting piece, 4-transverse straightening structure, 41-transverse pinch roller set unit, 411-inner transverse pinch roller, 412-outer transverse pinch roller, 413-transverse adjusting piece, 42-guide pinch roller set II, 5-positioning block and 51-positioning hole.

The specific implementation mode is as follows:

in order to enhance the understanding of the present invention, the following detailed description will be made in conjunction with the embodiments and the accompanying drawings. The utility model discloses the accessible is implemented as follows:

referring to fig. 1-6, a lead straightening device comprises a frame 1, wherein at least one guide wheel set 2 for adjusting the tension of a lead is arranged on the frame 1, and a straightening mechanism for straightening the lead is arranged behind the guide wheel set 2; the number of the guide wheel sets 2 is the same as that of the straightening mechanisms. This embodiment is provided with two direction wheelsets 2 and two straightening mechanisms, can straighten two rolls of lead wire spools simultaneously, makes its demand that can cooperate the two lead wire welding stations of equipment.

The straightening mechanism comprises a longitudinal straightening structure 3 and a transverse straightening structure 4 which are sequentially connected and can increase the straightening distance of the lead, a positioning block 5 which accurately conveys the lead to a cutting station is arranged behind the transverse straightening structure 4, and the positioning block 5 is provided with a positioning hole 51 through which the lead passes. The longitudinal straightening structure 3 and the transverse straightening structure 4 are utilized to straighten the lead, so that multidimensional straightening is realized, and the straightening degree of the lead is improved.

The longitudinal straightening structure 3 is provided with a plurality of longitudinal pinch roller set units 31, and the distance between two adjacent longitudinal pinch roller set units 31 is equal. Longitudinal puck unit 31 includes an upper longitudinal puck 311 and a lower longitudinal puck 312 that are staggered from top to bottom, and lead wires pass between upper longitudinal puck 311 and lower longitudinal puck 312. A longitudinal adjusting member 313 for adjusting the distance between the upper longitudinal pressing wheel 311 and the lower longitudinal pressing wheel 312 is connected above the upper longitudinal pressing wheel 311. The longitudinal adjusting piece 313 is provided with an oval through hole, the position of the upper longitudinal pressing wheel 311 is adjusted according to the diameter of the lead, and a screw or a screw rod penetrates through the oval through hole for fixing, so that the distance between the upper longitudinal pressing wheel 311 and the lower longitudinal pressing wheel 312 can be adjusted, and the operation is simple, convenient and quick.

The transverse straightening structure 4 is provided with a plurality of transverse pressing wheel group units 41, each transverse pressing wheel group unit 41 comprises an inner transverse pressing wheel 411 and an outer transverse pressing wheel 412, the inner transverse pressing wheels 411 and the outer transverse pressing wheels 412 are distributed in a left-right staggered mode, and a lead passes through the space between the inner transverse pressing wheel 411 and the outer transverse pressing wheel 412. A transverse adjusting member 413 for adjusting the distance between the outer transverse pressing wheel 412 and the inner transverse pressing wheel 411 is connected to the outer side of the outer transverse pressing wheel 412. The design of the inner transverse rollers 411, the outer transverse rollers 412 and the transverse adjusting members 413 is similar to the design of the longitudinal straightening structure 3 and will not be described again. The longitudinal straightening structure 3 and the transverse straightening structure 4 respectively straighten the lead by utilizing the upper longitudinal pinch roller 311 and the lower longitudinal pinch roller 312 which are distributed in a staggered manner from top to bottom, and the inner transverse pinch roller 411 and the outer transverse pinch roller 412 which are distributed in a staggered manner from left to right, so that the contact area of the pinch rollers and the lead is increased, the straightening distance of the lead is increased, and the straightening degree of the lead is further improved.

A first guide pressing wheel set 32 which accurately sends the lead to the transverse straightening structure 4 is arranged behind the longitudinal pressing wheel set unit 31. A second guiding pressing wheel set 42 for accurately conveying the lead to the positioning block 5 is arranged behind the transverse pressing wheel set unit 41. An inner guide pinch roller 321 and an outer guide pinch roller are arranged on the first guide pinch roller set 32 and the second guide pinch roller set 42. The inner guide pinch roller 321 and the outer guide pinch roller are distributed in parallel, the middle positions of the inner guide pinch roller 321 and the outer guide pinch roller and the position of a lead inlet of the next procedure are on the same horizontal line, and the position of the lead is fixed by the inner guide pinch roller 321 and the outer guide pinch roller, so that the lead can be accurately conveyed to the next procedure.

And the first guide pressure wheel set 32 and the second guide pressure wheel set 42 are respectively provided with an adjusting component 323 for adjusting the distance between the inner guide pressure wheel 321 and the outer guide pressure wheel 322 on the first guide pressure wheel set 32 and the second guide pressure wheel set 42. The adjusting assembly 323 comprises a connecting piece 3231, a sliding block 3232, a guide rail 3233 and a limiting piece 3234, the connecting piece 3231 is connected with the outer guide pinch roller 322, and the outer guide pinch roller 322 drives the connecting piece 3231 to slide on the guide rail 3233 through the sliding block 3232 so as to adjust the distance between the inner guide pinch roller 321 and the outer guide pinch roller 322. The limiting member 3234 is located outside the connecting member 3231, and can limit the maximum distance that the connecting member 3231 moves along the guide rail 3233 to the outside, and meanwhile, an elliptical adjusting hole is formed in the limiting member 3234, so that the position of the limiting member 3234 can be conveniently adjusted.

Circumferential side surfaces of the upper longitudinal pressing wheel 311, the lower longitudinal pressing wheel 312, the inner transverse pressing wheel 411, the outer transverse pressing wheel 412, the inner guide pressing wheel 321 and the outer guide pressing wheel 322 are provided with circumferential grooves (not marked in the figure) which are adaptive to the diameters of the leads, so that the leads can be prevented from shifting in the straightening process to influence the straightening precision.

The guide wheel set 2 comprises a guide wheel I21, a guide wheel II 22, a guide wheel III 23, a guide wheel IV 24, a guide wheel V25, a guide wheel VI 26 and a guide wheel VII 27, wherein the guide wheels are used for leading wires to sequentially pass through. The lead wire sequentially bypasses the first guide wheel 21, the second guide wheel 22, the third guide wheel 23, the fourth guide wheel 24, the fifth guide wheel 25, the sixth guide wheel 26 and the seventh guide wheel 27 to form a plurality of cycles, so that the lead wire has a tension force required by the straightening mechanism before entering the straightening mechanism, and the lead wire is prevented from being in a loose state when entering the straightening mechanism and influencing the straightening degree of the lead wire.

The working principle is as follows: the lead straightening device is adjusted according to the size of the lead, the lead sequentially bypasses a guide wheel I21, a guide wheel II 22, a guide wheel III 23, a guide wheel IV 24, a guide wheel V25, a guide wheel VI 26 and a guide wheel VII 27, then sequentially enters an upper longitudinal pressing wheel 311, a lower longitudinal pressing wheel 312, a guide pressing wheel group I32, an inner transverse pressing wheel 411, an outer transverse pressing wheel 412 and a guide pressing wheel group II 42, the straightening process is completed, and finally the lead passes through a positioning hole 51 in a positioning block 5 and enters a cutting station.

Finally, it should be noted that: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lead wire straightening device comprises a machine frame (1) and is characterized in that: the frame (1) is provided with at least one guide wheel set (2) for adjusting the tension of the lead; a straightening mechanism for straightening the lead is arranged behind the guide wheel set (2); the straightening mechanism comprises a longitudinal straightening structure (3) and a transverse straightening structure (4) which are sequentially connected and can increase the straightening distance of the lead, wherein a positioning block (5) which accurately conveys the lead to a cutting station is arranged at the rear of the transverse straightening structure (4).

2. A wire straightening device according to claim 1, characterized in that: the longitudinal straightening structure (3) is provided with a plurality of longitudinal pressing wheel set units (31), each longitudinal pressing wheel set unit (31) comprises an upper longitudinal pressing wheel (311) and a lower longitudinal pressing wheel (312), and the upper longitudinal pressing wheel (311) and the lower longitudinal pressing wheel (312) are distributed in a staggered manner from top to bottom.

3. A wire straightening device according to claim 2, characterized in that: and a longitudinal adjusting piece (313) used for adjusting the distance between the upper longitudinal pressing wheel (311) and the lower longitudinal pressing wheel (312) is connected above the upper longitudinal pressing wheel (311).

4. A wire straightening device according to claim 2 or 3, characterized in that: a first guide pressing wheel set (32) which accurately sends the lead to the transverse straightening structure (4) is arranged behind the longitudinal pressing wheel set unit (31).

5. A wire straightening device according to claim 4, characterized in that: the transverse straightening structure (4) is provided with a plurality of transverse pressing wheel set units (41), each transverse pressing wheel set unit (41) comprises an inner transverse pressing wheel (411) and an outer transverse pressing wheel (412), and the inner transverse pressing wheel (411) and the outer transverse pressing wheel (412) are distributed in a left-right staggered mode.

6. A wire straightening device according to claim 5, characterized in that: and a transverse adjusting piece (413) for adjusting the distance between the outer transverse pressing wheel (412) and the inner transverse pressing wheel (411) is connected to the outer side of the outer transverse pressing wheel (412).

7. A wire straightening device according to claim 5 or 6, characterized in that: a second guide pressing wheel set (42) for accurately conveying the lead to the positioning block (5) is arranged behind the transverse pressing wheel set unit (41).

8. A wire straightening device according to claim 7, characterized in that: and the first guide pressure wheel set (32) and the second guide pressure wheel set (42) are respectively provided with an adjusting component (323) for adjusting the distance between the inner guide pressure wheel (321) and the outer guide pressure wheel (322) on the first guide pressure wheel set (32) and the second guide pressure wheel set (42).

9. A wire straightening device according to claim 8, characterized in that: the adjusting assembly (323) comprises a connecting piece (3231), a sliding block (3232), a guide rail (3233) and a limiting piece (3234), the connecting piece (3231) is connected with the outer guide pinch roller (322), and the outer guide pinch roller (322) drives the connecting piece (3231) to slide on the guide rail (3233) through the sliding block (3232) so as to adjust the distance between the inner guide pinch roller (321) and the outer guide pinch roller (322).

10. A wire straightening device according to claim 1 or 2 or 3 or 5 or 6 or 8 or 9, characterized in that: the guide wheel set (2) comprises a guide wheel I (21), a guide wheel II (22), a guide wheel III (23), a guide wheel IV (24), a guide wheel V (25), a guide wheel VI (26) and a guide wheel VII (27) which are sequentially bypassed by the lead wire.