CN112456148B

CN112456148B - Automatic feeding device for PCB processing

Info

Publication number: CN112456148B
Application number: CN202011407534.8A
Authority: CN
Inventors: 陈遂佰; 宋林波; 刘攀
Original assignee: Jiujiang Huaqiu Circuit Co ltd
Current assignee: Jiujiang Huaqiu Circuit Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2022-06-21
Anticipated expiration: 2040-12-04
Also published as: CN112456148A

Abstract

The invention discloses an automatic feeding device for processing a PCB (printed circuit board), which comprises a case, a threaded screw rod, a guide pillar, a feeding plate, a clamping seat, a swing air cylinder, a swing pressure rod, a rubber pressing strip, an anti-skidding tooth, a traction roller, a conveying roller, a belt, a driving belt wheel, a conveying motor, a limiting groove, a limiting plate, a locking screw hole, a locking screw, a suspension platform, a triangular support plate, a hanging support plate, a fixing hole, a feeding hole, a discharging hole, a first limiting sleeve, a rubber gasket, a lifting motor, a second limiting sleeve, a damping spring and a damping retaining ring, wherein the case is provided with a groove; the PCB clamping device has the clamping function, avoids the falling problem of the PCB, ensures the subsequent processing of the PCB, improves the processing efficiency of the PCB, has the shock absorption function, prevents the PCB from colliding with parts of the device, reduces the surface damage of the PCB, improves the finished product rate of the PCB processing, and saves the production cost of the PCB; can be directly mounted on processing equipment, and facilitates the arrangement of a PCB production line.

Description

Automatic feeding device for PCB processing

Technical Field

The invention relates to the technical field of PCB processing, in particular to an automatic feeding device for PCB processing.

Background

A PCB, i.e. a printed wiring board, which is called a printed board for short, is one of important parts in the electronic industry. Almost every electronic device, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and the like, and a PCB board is used to electrically interconnect the components. At present, an automatic feeding device is mainly used for conveying a PCB to be processed to processing equipment in the processing process of the PCB, so that the labor intensity of workers is reduced, and the processing efficiency of the PCB is improved.

However, the conventional automatic feeding device for PCB processing mostly has the following problems: firstly, the PCB is not clamped, and is simply laid on a feeding part, so that the PCB is easy to fall off in the feeding process, the subsequent processing of the PCB is inevitably influenced, and the processing efficiency of the PCB is reduced; secondly, the damping structure is not arranged, so that the PCB is very easy to collide with parts of the device in the feeding process, the surface of the PCB is damaged, the finished product rate of PCB processing is reduced, and the production cost of the PCB is increased; thirdly, through fastener snap-on subaerial beside the processing equipment, need independent dismouting to remove when arranging the production line, inevitable increase personnel's intensity of labour, improved the arrangement cost of PCB board production line.

Disclosure of Invention

The invention aims to provide an automatic feeding device for processing a PCB (printed circuit board) so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: an automatic feeding device for processing PCB boards comprises a case, a threaded screw rod, a guide pillar, a feeding plate, a clamping seat, a swing air cylinder, a swing pressure rod, a rubber press bar, an anti-skid tooth, a traction roller, a conveying roller, a belt, a driving pulley, a conveying motor, a limiting groove, a limiting plate, a locking screw hole, a locking screw, a suspension platform, a triangular support plate, a hanging support plate, a fixing hole, a feeding hole, a discharging hole, a first limiting sleeve, a rubber gasket, a lifting motor, a second limiting sleeve, a damping spring and a damping baffle ring, wherein two opposite corners at the top and the bottom of the inner wall of the case are respectively rotatably sleeved with two ends of the threaded screw rod through ball bearings, the other two corners at the top and the bottom of the inner wall of the case are respectively and fixedly connected with two ends of the guide pillar, the guide pillar and the middle section of the threaded screw rod are respectively and movably sleeved with four corners at the outer edge at the top of the feeding plate, the four corners at the top of the upper material plate are respectively and fixedly connected with the bottom of the clamping seat, a swing cylinder is fixedly mounted at the center of one side of the clamping seat, the output end of the swing cylinder is fixedly connected with one end of a swing pressure rod arranged at the center of the other side of the clamping seat, the bottom of the other end of the swing pressure rod is fixedly connected with the top of a rubber pressing strip, and a plurality of anti-skidding teeth are uniformly arranged at the bottom of the rubber pressing strip; traction rollers are arranged at the center and one side of the top of the feeding plate, a conveying roller is arranged at the other side of the top of the feeding plate, a driven belt wheel is fixedly sleeved at one end of the conveying roller, the outer circumference of the driven belt wheel is meshed with the inner circumference of one end of a belt, the inner circumference of the other end of the belt is meshed with the outer circumference of a driving belt wheel, and the driving belt wheel is fixedly sleeved at the output end of a conveying motor; the bottom of machine case is through spacing groove, limiting plate, locking screw and the top fixed connection who hangs the platform, the both sides of hanging the platform bottom all are provided with the triangular support board, and hang the side of platform and triangular support board respectively with hang the middle section and the bottom both corners fixed connection of support plate side, the fixed orifices has all been seted up in the four corners of hanging the support plate side.

According to the technical scheme, the middle sections of the guide pillar and the threaded screw rod are respectively movably sleeved with the bushing and the ball nut, and the bushing and the ball nut are respectively and fixedly embedded in four corners of the outer edge of the top of the upper material plate.

According to the technical scheme, the feed inlet is formed in the bottom end of one side of the case, and the discharge outlet is formed in the top end of the other side of the case.

According to the technical scheme, the two ends of the guide pillar are fixedly sleeved with the first limiting sleeve, and one end of the first limiting sleeve is fixedly provided with the rubber gasket.

According to the technical scheme, one end of the threaded screw rod is fixedly connected with the output ends of the lifting motors arranged at two opposite corners of the top of the outer wall of the case, and the two ends of the threaded screw rod are movably sleeved with the second limiting sleeves.

According to the technical scheme, one end of the second limiting sleeve is fixedly connected with one end of the damping spring, and the other end of the damping spring is fixedly provided with the damping retaining ring.

According to the technical scheme, the limiting grooves are respectively formed in the two sides of the top of the suspension platform, the limiting plates are embedded in the limiting grooves, and the tops of the limiting plates are respectively arranged on the two sides of the bottom of the case.

According to the technical scheme, the locking screw holes are respectively formed in the centers of the front surface and the back surface of the suspension platform, and the locking screws are embedded in the locking screw holes.

Compared with the prior art, the invention has the following beneficial effects: according to the automatic feeding device for processing the PCB, the damping structure is additionally arranged, so that the PCB is prevented from colliding with parts of the device in the feeding process, the surface damage of the PCB is reduced, the finished product rate of PCB processing is improved, and the production cost of the PCB is saved; the clamping function is realized, the falling problem of the PCB in the feeding process is avoided, the subsequent processing of the PCB is ensured, and the processing efficiency of the PCB is improved; the PCB board mounting device can be directly mounted on processing equipment, is fixed and moved together, does not need to be detached independently, is convenient to replace and maintain, reduces the labor intensity of personnel, and saves the arrangement cost of a PCB board production line.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a front cross-sectional view of the overall construction of the present invention;

FIG. 2 is a left side cross-sectional view of the overall construction of the present invention;

FIG. 3 is a top plan view of the overall structure of the present invention;

FIG. 4 is a top cross-sectional view of the overall structure of the present invention;

FIG. 5 is a perspective view of the suspension of the present invention;

in the figure: 1. a chassis; 2. a threaded lead screw; 3. a guide post; 4. feeding plates; 5. installing a clamping seat; 6. a swing cylinder; 7. a swing compression bar; 8. pressing a rubber strip; 9. anti-slip teeth; 10. a traction drum; 11. a conveying roller; 12. a belt; 13. a driving pulley; 14. a conveying motor; 15. a limiting groove; 16. a limiting plate; 17. locking the screw hole; 18. locking the screw; 19. a suspension table; 20. a triangular support plate; 21. hanging a support plate; 22. a fixing hole; 23. a feed inlet; 24. a discharge port; 25. a first limit sleeve; 26. a rubber gasket; 27. a lifting motor; 28. a second limit sleeve; 29. a damping spring; 30. shock attenuation fender ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an automatic feeding device for processing a PCB (printed Circuit Board) comprises a case 1, a threaded screw rod 2, a guide post 3, a feeding plate 4, a clamping seat 5, a swing cylinder 6, a swing compression bar 7, a rubber compression bar 8, an anti-skid tooth 9, a traction roller 10, a conveying roller 11, a belt 12, a driving belt wheel 13, a conveying motor 14, a limiting groove 15, a limiting plate 16, a locking screw hole 17, a locking screw 18, a suspension platform 19, a triangular supporting plate 20, a hanging supporting plate 21, a fixing hole 22, a feeding hole 23, a discharging hole 24, a first limiting sleeve 25, a rubber gasket 26, a lifting motor 27, a second limiting sleeve 28, a damping spring 29 and a damping baffle ring 30, wherein the feeding hole 23 is formed in the bottom end of one side of the case 1, the discharging hole 24 is formed in the top end of the other side of the case 1, two opposite corners of the top and the bottom of the inner wall of the case 1 are rotatably sleeved with two ends of the threaded screw rod 2 through ball bearings respectively, one end of the threaded screw rod 2 is fixedly connected with the output ends of lifting motors 27 arranged at two opposite corners of the top of the outer wall of the case 1, the two ends of the threaded screw rod 2 are movably sleeved with second limiting sleeves 28, one end of each second limiting sleeve 28 is fixedly connected with one end of a damping spring 29, the other end of each damping spring 29 is fixedly provided with a damping baffle ring 30, the other two corners of the top and the bottom of the inner wall of the case 1 are respectively and fixedly connected with the two ends of the guide pillar 3, the two ends of the guide pillar 3 are fixedly sleeved with first limiting sleeves 25, one end of each first limiting sleeve 25 is fixedly provided with a rubber gasket 26, so that the PCB is prevented from colliding with parts of the device in the feeding process, the surface damage of the PCB is reduced, the finished product rate of PCB processing is improved, and the production cost of the PCB is saved; the middle sections of the guide post 3 and the threaded screw rod 2 are respectively movably sleeved with a bushing and a ball nut, the bushing and the ball nut are respectively and fixedly embedded in four corners of the outer edge of the top of the upper material plate 4, the four corners of the inner edge of the top of the upper material plate 4 are respectively and fixedly connected with the bottom of the clamping seat 5, a swing cylinder 6 is fixedly installed at the center of one side of the clamping seat 5, the output end of the swing cylinder 6 is fixedly connected with one end of a swing pressure rod 7 arranged at the center of the other side of the clamping seat 5, the bottom of the other end of the swing pressure rod 7 is fixedly connected with the top of a rubber pressing strip 8, a plurality of anti-skidding teeth 9 are uniformly arranged at the bottom of the rubber pressing strip 8, traction rollers 10 are arranged at the center and one side of the top of the upper material plate 4, a conveying roller 11 is arranged at the other side of the top of the upper material plate 4, a driven belt wheel is fixedly sleeved at one end of the conveying roller 11, and the outer circumference of the driven belt wheel is meshed with the inner circumference of one end of a belt 12, the inner circumference of the other end of the belt 12 is meshed with the outer circumference of a driving belt wheel 13, and the driving belt wheel 13 is fixedly sleeved on the output end of a conveying motor 14, so that the clamping function is realized, the falling problem of the PCB in the feeding process is avoided, the subsequent processing of the PCB is ensured, and the processing efficiency of the PCB is improved; the bottom of the case 1 is fixedly connected with the top of the suspension platform 19 through a limit groove 15, a limit plate 16, a locking screw hole 17 and a locking screw 18, the limit grooves 15 are respectively arranged at two sides of the top of the suspension platform 19, and the limiting groove 15 is embedded with a limiting plate 16, the tops of the limiting plates 16 are respectively arranged at the two sides of the bottom of the case 1, locking screw holes 17 are respectively arranged at the centers of the front and back of the suspension platform 19, and the locking screw hole 17 is internally embedded with a locking screw 18, two sides of the bottom of the suspension platform 19 are provided with triangular support plates 20, the sides of the suspension platform 19 and the triangular support plate 20 are respectively fixedly connected with the middle section and two corners at the bottom end of the side of the hanging support plate 21, four corners of the side of the hanging support plate 21 are all provided with fixing holes 22, the PCB board processing device can be directly mounted on processing equipment and fixed and moved together without being detached independently, so that the replacement and maintenance are convenient, the labor intensity of personnel is reduced, and the arrangement cost of a PCB board production line is saved; when the invention is used, a hanging and carrying plate 21 is fixed on processing equipment through a fixing hole 22, a limiting plate 16 is embedded into a limiting groove 15, a locking screw 18 is embedded into a locking screw hole 17, a case 1 is fixed on a suspension platform 19, a PCB to be processed is placed on a traction roller 10 and a conveying roller 11 of a feeding plate 4 through a feeding hole 23, a swinging pressure rod 7 is driven by a swinging air cylinder 6 to press a rubber pressing strip 8 downwards, the PCB is pressed through an anti-skidding tooth 9 to achieve the clamping effect, a lifting motor 27 is used for driving a threaded screw rod 2 to rotate, the feeding plate 4 is driven by a ball nut to move upwards along the threaded screw rod 2 and a guide post 3 until the feeding plate 4 firstly touches a damping baffle ring 30, a damping spring 29 is compressed and touches a rubber gasket 26, and rises to a preset height under the restraint of a first limiting sleeve 25 and a second limiting sleeve 28, finally, the driving belt wheel 13 is rotated through the conveying motor 14, the driven belt wheel and the conveying roller 11 are further rotated through the belt 12, the PCB is conveyed to processing equipment through the discharge port 24, the feeding action is completed, the PCB is prevented from colliding with parts of the device in the feeding process, the surface damage of the PCB is reduced, the finished product rate of PCB processing is improved, and the production cost of the PCB is saved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic feeding device for processing of PCB board, including quick-witted case (1), screw lead screw (2), guide pillar (3), go up flitch (4), clamping holder (5), swing cylinder (6), swing depression bar (7), rubber layering (8), antiskid tooth (9), traction roller (10), conveying roller (11), belt (12), driving pulley (13), conveying motor (14), spacing groove (15), limiting plate (16), locking screw (17), locking screw (18), hang platform (19), triangular support board (20), carry board (21), fixed orifices (22), feed inlet (23), discharge gate (24), first spacing sleeve (25), rubber packing ring (26), elevator motor (27), second spacing sleeve (28), damping spring (29) and shock attenuation retaining ring (30), its characterized in that: two opposite angles at the top and the bottom of the inner wall of the case (1) are respectively rotatably sleeved with two ends of the threaded screw rod (2) through ball bearings, and the other two corners at the top and the bottom of the inner wall of the case (1) are respectively fixedly connected with the two ends of the guide post (3), the middle sections of the guide post (3) and the threaded screw rod (2) are respectively movably sleeved with four corners of the outer edge of the top of the feeding plate (4), four corners of the inner edge of the top of the upper material plate (4) are respectively fixedly connected with the bottom of the clamping seat (5), a swing cylinder (6) is fixedly arranged at the center of one side of the clamping seat (5), the output end of the swing cylinder (6) is fixedly connected with one end of a swing pressure lever (7) arranged at the center of the other side of the clamping seat (5), the bottom of the other end of the swing pressure lever (7) is fixedly connected with the top of the rubber pressing bar (8), a plurality of anti-slip teeth (9) are uniformly arranged at the bottom of the rubber pressing strip (8); traction rollers (10) are arranged at the center and one side of the top of the feeding plate (4), a conveying roller (11) is arranged at the other side of the top of the feeding plate (4), a driven belt wheel is fixedly sleeved at one end of the conveying roller (11), the outer circumference of the driven belt wheel is meshed with the inner circumference of one end of a belt (12), the inner circumference of the other end of the belt (12) is meshed with the outer circumference of a driving belt wheel (13), and the driving belt wheel (13) is fixedly sleeved on the output end of a conveying motor (14); the bottom of machine case (1) is through spacing groove (15), limiting plate (16), locking screw (17) and locking screw (18) and the top fixed connection who hangs platform (19), the both sides that hang platform (19) bottom all are provided with triangular support plate (20), and hang the side of platform (19) and triangular support plate (20) respectively with the middle section and the two angle fixed connection in bottom of carry board (21) side, fixed orifices (22) have all been seted up in the four corners of carry board (21) side.

2. The automatic feeding device for PCB processing of claim 1, wherein: the middle sections of the guide post (3) and the threaded screw rod (2) are respectively movably sleeved with a bushing and a ball nut, and the bushing and the ball nut are respectively fixedly embedded in four corners of the outer edge of the top of the feeding plate (4).

3. The automatic feeding device for PCB processing of claim 1, wherein: a feed inlet (23) is formed in the bottom end of one side of the case (1), and a discharge outlet (24) is formed in the top end of the other side of the case (1).

4. The automatic feeding device for PCB processing of claim 1, wherein: the two ends of the guide post (3) are fixedly sleeved with first limiting sleeves (25), and one ends of the first limiting sleeves (25) are fixedly provided with rubber gaskets (26).

5. The automatic feeding device for PCB processing of claim 1, wherein: one end of the threaded screw rod (2) is fixedly connected with the output ends of the lifting motors (27) arranged at two opposite corners of the top of the outer wall of the case (1), and the two ends of the threaded screw rod (2) are movably sleeved with second limiting sleeves (28).

6. The automatic feeding device for PCB processing of claim 1, wherein: one end of the second limiting sleeve (28) is fixedly connected with one end of a damping spring (29), and a damping baffle ring (30) is fixedly mounted at the other end of the damping spring (29).

7. The automatic feeding device for PCB processing of claim 1, wherein: the limiting grooves (15) are respectively formed in two sides of the top of the suspension platform (19), limiting plates (16) are embedded in the limiting grooves (15), and the tops of the limiting plates (16) are respectively arranged on two sides of the bottom of the case (1).

8. The automatic feeding device for processing the PCB according to claim 1, wherein the automatic feeding device comprises: the locking screw holes (17) are respectively formed in the centers of the front surface and the back surface of the suspension platform (19), and locking screws (18) are embedded in the locking screw holes (17).