CN218451103U

CN218451103U - Pin bottom bending device

Info

Publication number: CN218451103U
Application number: CN202222531828.2U
Authority: CN
Inventors: 邝泳聪; 欧阳高飞; 王文涛; 张文福; 陈蔚周
Original assignee: Dongguan Desuda Precision Equipment Co ltd; South China University of Technology SCUT
Current assignee: Dongguan Desuda Precision Equipment Co ltd; South China University of Technology SCUT
Priority date: 2022-09-25
Filing date: 2022-09-25
Publication date: 2023-02-03
Anticipated expiration: 2032-09-25

Abstract

The utility model relates to a stitch bottom bending device, which is provided with a supporting structure, a first working claw and a second working claw, wherein the first working claw and the second working claw are assembled in a matching way and supported on the supporting structure through a guide system which guides the first working claw and the second working claw to be relatively close to or far away from each other; the first working claw and the second working claw reciprocate along the X axis of the space coordinate under the guidance of the guide system; the driving component is assembled on the supporting structure, and realizes the synchronous driving of the relative movement of the first working claw and the second working claw, thereby establishing the opening state or the closing state between the first working claw and the second working claw. The utility model discloses satisfy the curved foot work, and work claw parallel movement opens and is closed, during the curved foot, Z need not move to the parameter, and the end height of having ensured the work claw is definite, and the motion is steady, reliable, prevents to hit the board condition, promotes operating mass, and the practicality is strong, does benefit to the extension and uses.

Description

Pin bottom bending device

Technical Field

The utility model belongs to the technical field of the technique of electronic component equipment production and specifically relates to a device that is used for supplementary plug-in components upper plate to assemble.

Background

At present, in the assembly of an upper board of a plug-in unit, after the plug-in unit is plugged, the state of pins of the plug-in unit is as the left state in fig. 1, the bottoms of the pins are vertically downward, and the state causes great influence on the product quality because the plug-in unit falls off during the turnover of a PCBA (printed circuit board assembly), especially in some processes needing to be turned over; in the process of furnace-passing welding, an upper gland needs to be added, personnel is added, and visual inspection after the furnace is not facilitated. The bottom of the inserted pin is then bent by a bending device so that the insert can be positioned on the plate without falling off, as shown in the right configuration in fig. 1. However, the existing solution is to make a jig at the bottom of the PCBA, place a machined part with an inclined plane under the corresponding material pins, and make the material pins impact on the inclined plane when inserting the parts, so as to make the material pins bend at a certain angle. The method has higher positioning requirement on the PCBA, is unstable and not flexible enough, needs to make a new jig for plate changing, and increases cost and debugging difficulty.

Disclosure of Invention

An object of the utility model is to provide a stitch bottom bending device, job stabilization, reliable, and simplified control.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

stitch bottom bending device, it has:

the support structure is provided with a plurality of support structures,

a first working jaw and a second working jaw assembled together in pairs and supported on a support structure by a guide system that guides the first working jaw and the second working jaw relatively close to or away from each other; the first working claw and the second working claw reciprocate along the X axis of the space coordinate under the guidance of the guide system;

the driving assembly is assembled on the supporting structure and synchronously drives the first working claw and the second working claw to move relatively so as to establish an opening state or a closing state between the first working claw and the second working claw; the driving assembly comprises a sliding seat, a power part and two power connecting rods, the power part drives the sliding seat to move, so that the sliding seat reciprocates on the supporting structure along a space coordinate Z axis, and the two power connecting rods drive the first working claw and the second working claw to move along with the movement of the sliding seat respectively.

The supporting structure is further provided with a limiting groove, the limiting groove extends along the X axis of a space coordinate, the guide system is an X axial linear guide rail and is respectively arranged on the opposite inner side walls of the limiting groove, the first working claw and the second working claw are embedded in the limiting groove and are respectively correspondingly positioned on the sliding blocks of the corresponding X axial linear guide rail, the first working claw is provided with a first claw head extending out of the limiting groove, the second working claw is provided with a second claw head extending out of the limiting groove, and the first claw head and the second claw head extend along the Z axis direction of the space coordinate together and have the same extension height; the two power connecting rods are L-shaped three-hole connecting rods, the power connecting rods are hinged with the supporting structure through holes in the middle section, the holes in one end of each power connecting rod are hinged with the sliding seat, and the other end of each power connecting rod extends into the limiting groove and is hinged with the sliding block through the holes in the end.

The scheme is further that the two power connecting rods are symmetrically arranged, the ends of the two power connecting rods hinged with the sliding seat are partially overlapped, and holes in two ends of each power connecting rod are long holes.

The power part is provided with a telescopic lifting shaft, and the outer end of the lifting shaft is connected with the sliding seat; the power part also comprises a rotating motor, a first belt pulley and a second belt pulley, wherein the first belt pulley is connected with the output end of the rotating motor and connected with the second belt pulley through a belt, and the second belt pulley is sleeved with the lifting shaft and drives the lifting shaft to stretch along the Z axis of the space coordinate.

The first working claw and the second working claw are assembled together in a matched pair way and supported on a supporting structure through a guide system which guides the first working claw and the second working claw to be relatively close to or far away from each other; the first working claw and the second working claw do reciprocating motion along the X axis of a space coordinate under the guidance of the guide system, so that the bending work is met, the bending motion of the first working claw and the second working claw is carried out under the support of the guide system, the working claws can move in parallel, the opening and closing actions are realized, and the Z-direction parameter does not need to move during the bending, so that the height of the end head of the working claw is ensured to be determined, the motion is stable and reliable, the plate collision is prevented, and the working quality is improved; the structure is simple and reasonable, the size is small, the installation, the use and the maintenance are convenient, the processing of bottom bent feet in the width of 60-420mm can be realized by matching with the customized transportation guide rail, the practicability is high, and the expansion and the application are facilitated.

Description of the drawings:

FIG. 1 is a schematic diagram showing the change of the pin status of the interposer;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the embodiment of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic view of the embodiment of FIG. 3 in another perspective;

FIG. 6 is an enlarged view of a portion of FIG. 5;

FIG. 7 is a schematic cross-sectional view of the internal structure of the embodiment of FIG. 3;

figure 8 is the utility model discloses and transportation guide rail cooperation work schematic diagram.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects produced by the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated.

Referring to fig. 2~8, which is a schematic view of a preferred embodiment of the present invention, the present invention relates to a pin bottom bending device, which has a supporting structure 1, a first working claw 2, a second working claw 3, and a driving assembly 4, wherein the first working claw 2 and the second working claw 3 are assembled together in pairs and supported on the supporting structure 1 by a guiding system for guiding the first working claw 2 and the second working claw 3 to approach or move away from each other relatively; the first working claw 2 and the second working claw 3 reciprocate along the X axis of the space coordinate under the guidance of the guide system, the Z-direction parameters are kept consistent and do not change, and the working quality and the stability are ensured. The driving assembly 4 is assembled on the supporting structure 1 to synchronously drive the first working claw 2 and the second working claw 3 to move relatively, so as to establish an opening state or a closing state between the first working claw 2 and the second working claw 3; the opening state is that the first working claw 2 and the second working claw 3 move relatively far away from each other and are suitable for bending the bottom of a stitch, and the closing state is that the first working claw 2 and the second working claw 3 move relatively close to each other and are in a preparation state before bending; of course, the working purposes of the first working claw 2 and the second working claw 3 in the opening state or the closing state can be interchanged corresponding to different pin bending directions, and the requirement of pin bottom bending processing can be met. The driving assembly 4 comprises a sliding seat 41, a power part 42 and two power connecting rods 43, the power part 42 drives the sliding seat 41 to move, so that the sliding seat 41 reciprocates on the supporting structure 1 along the space coordinate Z axis, and the two power connecting rods 43 follow the movement of the sliding seat 41 and respectively drive the first working claw 2 and the second working claw 3 to move.

The supporting structure 1 is provided with a limiting groove 11, the limiting groove 11 extends along a space coordinate X axis, the limiting groove 11 in the drawing is in the form of a long groove which is communicated up and down, the guide system is an X axial linear guide rail 5 and is respectively arranged on the opposite inner side walls of the limiting groove, the first working claw 2 and the second working claw 3 are embedded in the limiting groove 11 and are respectively and correspondingly positioned on a slide block 51 of the corresponding X axial linear guide rail, the first working claw 2 is provided with a first claw head 21 extending from the limiting groove 11, the second working claw 3 is provided with a second claw head 31 extending from the limiting groove 11, the first claw head 21 and the second claw head 31 extend along the space coordinate Z axis direction together and have the same extending height, the bent-foot work is facilitated, and the quality is consistent. The limiting groove 11 further limits and protects the movement of the first working claw 2 and the second working claw 3, and the working is stable and reliable. In this embodiment, the two power connecting rods 43 are both L-shaped three-hole connecting rods, the power connecting rods 43 are hinged to the supporting structure 1 through holes on the middle section, one end of each power connecting rod 43 is hinged to the sliding seat 41 through a hole on one end, and the other end of each power connecting rod 43 extends into the limiting groove 11 and is hinged to the sliding block 51 through a hole on the other end. In this embodiment, the two power connecting rods 43 are symmetrically arranged, the ends of the two power connecting rods 43 hinged to the sliding seat 41 are partially overlapped, and the holes on the two ends of the power connecting rods 43 are long holes, so that the structure is compact, and the transmission is smooth and stable.

The sliding seat 41 is assembled on the supporting structure 1 through the Z-axis linear guide rails 6, the Z-axis linear guide rails 6 are provided with two and distributed on the left side and the right side of the sliding seat 41, the sliding seat 41 is assembled on the supporting structure 1 in a climbing mode, the upper end head of the sliding seat 41 is provided with a U-shaped connecting groove 411, and the U-shaped connecting groove 411 is used for embedding corresponding ends of two power connecting rods 43, so that the connecting and limiting effects are achieved, and the assembly is convenient; a connecting pin 412 is assembled in the U-shaped connecting slot 411, both ends of the connecting pin 412 are positioned on both side walls of the U-shaped connecting slot 411, and the connecting pin 412 passes through holes of the respective ends of the two power links 43 to achieve the hinge connection. The power member 42 has a retractable lifting shaft 421, and the outer end of the lifting shaft 421 is connected to the sliding seat 41. Power component 42 is still including rotating electrical machines 422, first belt pulley 423 and second belt pulley 424, first belt pulley 423 connects rotating electrical machines 422's output and connects second belt pulley 424 through the belt, this second belt pulley 424 cup joints lift axle 421 and drives lift axle 421 along the telescopic of space coordinate Z axle, lift axle 421 can be lead screw or polished rod, the concertina movement who specifically turns into lift axle 421 through rotating then is prior art, use on lift systems such as current riser or lift, its theory of operation is no longer repeated herein, the utility model discloses as long as satisfy the motion of drive sliding seat 41 and reach between first work claw 2 and the second work claw 3 open or closed operating condition can. Of course, the present invention does not exclude the use of telescopic mechanisms such as cylinders to drive the sliding seat 41 to move, and the description is omitted here.

The first working claw and the second working claw are assembled together in a pairing way and supported on a supporting structure through a guide system which guides the first working claw and the second working claw to be relatively close to or far away from each other; the first working claw and the second working claw do reciprocating motion along the X axis of a space coordinate under the guidance of the guide system, the guide system is arranged, the working requirement of the bent feet is met, the bent feet motion of the first working claw and the second working claw is carried out under the support of the guide system, the working claws can move in parallel, the opening and closing actions are realized, the Z-direction parameters do not need to move during the bent feet, the operation is simplified, the height of the end head of the working claw is ensured to be determined, the motion is stable and reliable, the plate collision is prevented, and the working quality is improved; and the structure is simple and reasonable, the volume is small, and the installation, the use and the maintenance are convenient. As shown in fig. 8, the utility model discloses can use with customization transportation guide rail 100 cooperation, realize online to the processing of plug-in components stitch bottom hook, further, the utility model discloses still through assembling on many free guiding mechanism, realize the height in the three-dimensional space, control and around the adjustment, can match different transportation guide rail 100 and not unidimensional PCB board production requirement from this, realize the processing of bottom hook in the 60-420mm width, the practicality is strong, does benefit to the extension and uses.

Of course, the present invention has been described in detail with reference to the embodiments, and only for the purpose of illustrating the technical conception and the features of the present invention, the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and implement the same, therefore, all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. Stitch bottom bending device, its characterized in that has:

a support structure (1) for supporting a support structure,

a first working jaw (2) and a second working jaw (3), the first working jaw (2) and the second working jaw (3) being assembled together in pairs and supported on the support structure (1) by a guide system that guides the first working jaw (2) and the second working jaw (3) relatively close to or away from each other; the first working claw (2) and the second working claw (3) reciprocate along the X axis of the space coordinate under the guidance of the guide system;

the driving assembly (4) is assembled on the supporting structure (1), and the driving assembly (4) synchronously drives the first working claw (2) and the second working claw (3) to move relatively so as to establish an opening state or a closing state between the first working claw (2) and the second working claw (3); the driving assembly (4) comprises a sliding seat (41), a power piece (42) and two power connecting rods (43), the power piece (42) drives the sliding seat (41) to move, the sliding seat (41) is made to reciprocate on the supporting structure (1) along a Z-axis of a space coordinate, and the two power connecting rods (43) follow the movement of the sliding seat (41) and respectively drive the first working claw (2) and the second working claw (3) to move.

2. The device for bending the bottoms of stitches according to claim 1, wherein a limiting groove (11) is formed on the supporting structure (1), the limiting groove (11) extends along a spatial coordinate X-axis, the guiding system is an X-axis linear guide (5) and is respectively arranged on opposite inner side walls of the limiting groove, the first working claw (2) and the second working claw (3) are embedded in the limiting groove (11) and are respectively correspondingly positioned on a sliding block (51) of the corresponding X-axis linear guide, the first working claw (2) is provided with a first claw head (21) extending out of the limiting groove (11), the second working claw (3) is provided with a second claw head (31) extending out of the limiting groove (11), and the first claw head (21) and the second claw head (31) together extend along a spatial coordinate Z-axis direction and have the same extending height; the two power connecting rods (43) are L-shaped three-hole connecting rods, the power connecting rods (43) are hinged with the supporting structure (1) through holes in the middle section, the holes in one end of each power connecting rod (43) are hinged with the sliding seat (41), and the other end of each power connecting rod (43) extends into the limiting groove (11) and is hinged with the sliding block (51) through the holes in the end.

3. The stitch bottom bending device according to claim 2, wherein the two power connecting rods (43) are symmetrically arranged, the ends of the two power connecting rods (43) hinged with the sliding seat (41) are partially overlapped, and the holes on the two ends of the power connecting rods (43) are long holes.

4. The device for bending the bottom of a pin according to claim 1, wherein the sliding seat (41) is assembled on the supporting structure (1) through a Z-axis linear guide rail (6), the power member (42) is provided with a telescopic lifting shaft (421), and the outer end of the lifting shaft (421) is connected with the sliding seat (41); the power part (42) further comprises a rotating motor (422), a first belt pulley (423) and a second belt pulley (424), the first belt pulley (423) is connected with the output end of the rotating motor (422) and connected with the second belt pulley (424) through a belt, and the second belt pulley (424) is sleeved with the lifting shaft (421) and drives the lifting shaft (421) to stretch along the Z axis of the space coordinate.