阅读说明：本技术 一种可自动换面的电路板加工设备 (Circuit board processing equipment capable of automatically changing surface ) 是由 孙永光 于 2019-11-29 设计创作，主要内容包括：本发明公布了一种可自动换面的电路板加工设备,它包括工作台,所述工作台上端设置有托物台、固定装置、换面装置和丝网板固定装置；所述固定装置包括活动固定板和至少一个基准板；所述换面装置包括上下升降的支座,所述支座上水平设置有第二电动推杆,所述第二电动推杆的活塞杆与轴线水平的转盘连接,所述转盘上设有夹持装置；所述丝网板固定装置包括设置于工作台上方的顶板,所述顶板上设置有升降气缸,所述升降气缸的活塞杆向下与支座连接,所述支座于托物台一侧间隔设置有水平滑动的夹持臂,所述夹持臂相对设置于托物台两侧。本发明的目的是提供一种可自动换面的电路板加工设备,能够提高电路板的加工效率。(The invention discloses a circuit board processing device capable of automatically changing surfaces, which comprises a workbench, wherein the upper end of the workbench is provided with a material supporting table, a fixing device, a surface changing device and a wire mesh plate fixing device; the fixing device comprises a movable fixing plate and at least one reference plate; the surface changing device comprises a support which can be lifted up and down, a second electric push rod is horizontally arranged on the support, a piston rod of the second electric push rod is connected with a turntable with a horizontal axis, and a clamping device is arranged on the turntable; the wire mesh plate fixing device comprises a top plate arranged above a workbench, a lifting cylinder is arranged on the top plate, a piston rod of the lifting cylinder is connected with a support downwards, horizontally sliding clamping arms are arranged on one side of the support at intervals, and the clamping arms are arranged on two sides of the support relatively. The invention aims to provide a circuit board processing device capable of automatically changing the surface, which can improve the processing efficiency of a circuit board.)

1. A circuit board processing device capable of automatically changing surface comprises a workbench (1), and is characterized in that the upper end of the workbench (1) is provided with an object supporting table (2), a fixing device, a surface changing device and a wire mesh plate fixing device; the fixing device comprises a movable fixing plate (301) and at least one reference plate (302), the movable fixing plate (301) and the reference plate (302) are arranged in an annular array by taking the object holding table (2) as an axis, and the movable fixing plate (301) is connected with a first electric push rod (303) at the upper end of the workbench (1); the surface changing device comprises a base (401) which can be lifted up and down, a second electric push rod (402) is horizontally arranged on the base (401), a piston rod of the second electric push rod (402) is connected with a turntable (403) with a horizontal axis, and a clamping device (404) is arranged on the turntable (403); the wire mesh plate fixing device comprises a top plate (501) arranged above a workbench (1), wherein a lifting cylinder (502) is arranged on the top plate (501), a piston rod of the lifting cylinder (502) is downwards connected with a support (503), the support (503) is provided with horizontally sliding clamping arms (504) at intervals on one side of a material supporting table (2), and the clamping arms (504) are oppositely arranged on two sides of the material supporting table (2).

2. The automatic surface changing circuit board processing equipment according to claim 1, wherein the reference plate (302) is connected with a horizontally arranged adjusting screw rod (304) through a bearing seat at the opposite side of the object holding table (2), and the adjusting screw rod (304) is connected with a handle (306) after being in threaded connection with a fixed seat (305) at the upper end of the workbench (1).

3. The automatic surface-changing circuit board processing equipment as claimed in claim 2, wherein the lower end of the reference plate (302) is in key connection with the upper end of the workbench (1).

4. The circuit board processing equipment capable of automatically changing the surface according to claim 1, wherein the movable fixing plate (301) is provided with a rubber pad (307) at one side of the object holding table (2).

5. The automatic surface-changing circuit board processing equipment according to claim 1, wherein a piston rod of the first electric push rod (303) is connected with a bracket (308), and a spring (309) is arranged between the lower end of the movable fixing plate (301) and the upper end of the bracket (308).

6. The apparatus for processing circuit board with automatically replaceable surface as claimed in claim 1, wherein the holding device (404) is a pneumatic finger.

7. The automatic surface changing circuit board processing equipment according to claim 1, wherein the rear ends of the two side clamping arms (504) are respectively in threaded connection with two sides of a double-threaded screw (505), the double-threaded screw (505) is horizontally arranged in a sliding groove (506) at the side end of the support (503), and one end of the double-threaded screw (505) passes through a bearing in the support (503) and is connected with a handle (507) at the outer side of the support (503).

8. The automatic surface changing circuit board processing equipment according to claim 1, wherein a long groove (508) is formed in the side end of the clamping arm (504) along the length direction of the clamping arm, a clamping seat (509) is movably arranged in the long groove (508) along the length direction of the clamping arm, and the clamping seat (509) extends out of the clamping arm (504) from one side of the object holding table (2).

9. The automatic surface changing circuit board processing equipment according to claim 8, wherein the clamping seat (509) is in threaded connection with a screw rod (510) in the elongated groove (508), the screw rod (510) is arranged along the length direction of the clamping arm (504), and one end of the screw rod (510) extends out of the clamping arm (504) to be connected with the holding handle (511).

Technical Field

The invention relates to the field of circuit board processing, in particular to circuit board processing equipment capable of automatically changing surfaces.

Background

Before a circuit board enters an assembly line, identification patterns need to be printed on the surface of the circuit board in a silk-screen mode, but compared with other shell products, the circuit board is thin in thickness and cannot be fixed in a mode that a common positioning boss is matched with a groove, in the existing mode, a datum line and a positioning column are well set on a workbench before printing, then an operator places the circuit board on the workbench in a silk-screen mode according to a reference, and the circuit board is printed in the silk-screen mode, but because the operator needs to manually align each circuit board before silk-screen printing, the efficiency is low, and the silk-screen positions of the circuit boards in the same batch are easy to slightly different; meanwhile, because the end face of the circuit board is attached to the working table, when the silk-screen printing surface is replaced, an operator is difficult to take up the thin circuit board from the working table, and the processing efficiency of the circuit board is further influenced.

Disclosure of Invention

The invention aims to solve the problems and provides a circuit board processing device capable of automatically changing the surface, which can improve the processing efficiency of a circuit board.

In order to realize the purpose, the invention adopts the technical scheme that: the device comprises a workbench, wherein the upper end of the workbench is provided with a material supporting table, a fixing device, a surface changing device and a wire mesh plate fixing device; the object supporting table is arranged in the middle of the upper end of the workbench and used for placing the circuit board, and the outer diameter of the object supporting table is smaller than that of the circuit board; the fixing device comprises a movable fixing plate and at least one reference plate, the upper end surfaces of the movable fixing plate and the reference plate are higher than the upper end surface of the object holding table, the movable fixing plate and the reference plate are arranged in an annular array by taking the object holding table as an axis, the movable fixing plate is driven by a first electric push rod at the upper end of the workbench to move towards the object holding table so as to fix the circuit board, and the stroke of the movable fixing plate can be adjusted by the first electric push rod; the surface changing device is used for changing the upper end surface and the lower end surface of the circuit board and comprises a base, the base is driven by pushing devices such as an oil cylinder and an air cylinder to lift in a reciprocating mode in the vertical direction, a second electric push rod is horizontally arranged on the base, a piston rod of the second electric push rod is connected with a turntable with a horizontal axis, a clamping device is arranged on the turntable, and the clamping device is arranged on one side of the object supporting table; the wire mesh plate fixing device is used for fixing the wire mesh plate and enabling the wire mesh plate to be in contact with a circuit board quickly, the wire mesh plate fixing device comprises a top plate arranged above a workbench, a lifting cylinder is vertically arranged on the top plate, a piston rod of the lifting cylinder is connected with a support downwards, clamping arms are arranged on one side of a support platform of the support at intervals, and the distance between the clamping arms on the two sides can be adjusted according to the size of the wire mesh plate.

Furthermore, for adjusting the position of the reference plate to meet production requirements, the reference plate is connected with an adjusting screw rod horizontally arranged on one side of the object supporting table, which is back to back, through a bearing seat, and the adjusting screw rod is connected with a handle after being in threaded connection with a fixed seat at the upper end of the workbench.

Furthermore, the lower end of the reference plate is in key connection with the upper end of the workbench to ensure that the reference plate moves along the object supporting table.

Furthermore, for protecting the circuit board, the movable fixing plate is provided with a rubber pad on one side of the object supporting table, and the flexible rubber pad is used for buffering when the movable fixing plate is contacted with the circuit board.

Further, in order to ensure that the screen plate can be in contact with the circuit board and prevent the descending path of the clamping arm from being blocked by the movable fixing plate, the piston rod of the first electric push rod is connected with the support, a spring is arranged between the lower end of the movable fixing plate and the upper end of the support, and when the clamping arm is in contact with the movable fixing plate, the movable fixing plate can descend.

Further, for the convenience of purchase, the clamping device is a pneumatic finger.

Further, for the interval of adjustment both sides centre gripping arm to adapt to the not wire mesh board of equidimension, both sides centre gripping arm rear end respectively with double-threaded screw both sides threaded connection, the double-threaded screw level sets up in the spout of support side, double-threaded screw one end is passed the bearing in the support and is connected with the handle in the support outside.

Furthermore, for adjusting the silk-screen position, the side end of the clamping arm is provided with a strip-shaped groove along the length direction of the clamping arm, a clamping seat is movably arranged in the strip-shaped groove along the length direction of the clamping arm, and the clamping seat extends out of the clamping arm on one side of the object supporting table.

Furthermore, the clamping seat is in threaded connection with a screw rod in the elongated groove, the screw rod is arranged along the length direction of the clamping arm, and one end of the screw rod extends out of the clamping arm to be connected with the holding handle, so that the effect of flexibly adjusting the position of the clamping seat can be achieved.

The invention has the beneficial effects that: after one side of the circuit board is abutted against the reference plate, the movable fixing plates on the periphery of the circuit board move towards the circuit board, so that the circuit board cannot shift in the silk-screen process, and the stroke of the first electric push rod for driving the movable fixing plates to move is adjusted in advance, so that the positions of different circuit boards in the same batch can be kept consistent, and the silk-screen areas of the circuit boards produced in the same batch are located at the same position.

1. The silk screen board is fixed on silk screen board fixing device, and after the circuit board was fixed, the silk screen board dropped to contact with the circuit board, alright handheld scraper blade carry out the silk screen printing operation this moment, avoids at every turn needing the manual work to place the silk screen board on the circuit board, reduces operation intensity.

2. The distance between the clamping arms can be adjusted, so that the clamping arms can adapt to wire mesh plates with different sizes; meanwhile, the clamping seat for clamping the circuit board can adjust the position along the length direction of the clamping arm, so that the position of the wire mesh plate can be quickly adjusted.

3. After silk-screen printing is completed and the clamping arm is lifted and reset, the clamping device is driven by the second electric push rod to move towards the circuit board and clamp the circuit board, then the support is lifted, and then the turntable works, so that the upper surface and the lower surface of the circuit board are exchanged.

Drawings

FIG. 1 is a schematic side view of the present invention (hidden reference plate).

FIG. 2 is a schematic top view (with the top panel hidden) of the present invention.

Fig. 3 is a schematic view (top view) of the fixture installation.

Fig. 4 is a schematic view (side view) of the mounting structure of the movable fixing plate.

FIG. 5 is a schematic top view of a screen plate fixture.

Fig. 6 is a schematic structural view of the clamp arm.

The text labels in the figures are represented as: 1. a work table; 2. a material supporting table; 301. a movable fixing plate; 302. a reference plate; 303. a first electric push rod; 304. adjusting the screw rod; 305. a fixed seat; 306. a handle; 307. a rubber pad; 308. a support; 309. a spring; 401. a base; 402. a second electric push rod; 403. a turntable; 404. a clamping device; 405. a pushing device; 501. a top plate; 502. a lifting cylinder; 503. a support; 504. a clamp arm; 505. a double-ended screw; 506. a chute; 507. a handle; 508. a strip-shaped groove; 509. a clamping seat; 510. a screw rod; 511. a handle is held.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 to 6, the specific structure of the present invention is: the device comprises a workbench 1, wherein the upper end of the workbench 1 is provided with a material supporting table 2, a fixing device, a surface changing device and a wire mesh plate fixing device; the object supporting table is cylindrical and is arranged in the middle of the upper end of the workbench 1, the fixing device comprises three movable fixing plates 301 and one reference plate 302, the circuit board is rectangular in the silk-screen printing stage, so that the number of the movable fixing plates 301 is three in the preferred embodiment, the reference plates 302 are arranged around the object supporting table 2 respectively, the included angle between the adjacent two is a right angle, the movable fixing plates 301 are connected with a first electric push rod 303 at the upper end of the workbench 1, and the first electric push rod 303 is horizontally arranged; the surface changing device comprises a base 401, the base 401 is driven by a pushing device 405 to reciprocate and lift in the vertical direction, the pushing device 405 is arranged at the lower end of a workbench 1, a piston rod of the pushing device 405 penetrates through the workbench 1 to be connected with the lower end of the base 401, a second electric push rod 402 is horizontally arranged on the base 401, the piston rod of the second electric push rod 402 is connected with a turntable 403 with a horizontal axis through a mounting plate, the turntable 403 can adopt a pneumatic turntable, an electric turntable and the like, the turntable 403 is connected with a clamping device 404 through the mounting plate, and the clamping device 404 is positioned on one side of the object holding table 2; the wire mesh plate fixing device comprises a top plate 501 arranged above a workbench 1, a stand column is arranged between the top plate 501 and the workbench 1, a lifting cylinder 502 is vertically arranged on the top plate 501, a piston rod of the lifting cylinder 502 is connected with a support 503 below the top plate 501, the support 503 is provided with clamping arms 504 at intervals on one side of a holding table 2, the horizontal distance between the clamping arms 504 on two sides is adjustable, and the clamping arms 504 are located on the side where a movable fixing plate 301 is located.

Preferably, as shown in fig. 2, the reference plate 302 is connected to a horizontally disposed adjusting screw 304 through a bearing block on the opposite side of the object supporting table 2, and the adjusting screw 304 is connected to a handle 306 after being in threaded connection with a fixing seat 305 at the upper end of the workbench 1.

Preferably, as shown in fig. 2, the lower end of the reference plate 302 is provided with a sliding key, the sliding key extends into a sliding groove at the upper end of the workbench 1, and the sliding groove is arranged along the radial direction of the object holding table 2.

Preferably, as shown in fig. 3, a rubber pad 307 is disposed on one side of the object supporting table 2 of the movable fixing plate 301, and an upper end surface of the rubber pad 307 is higher than an upper end surface of the object supporting table 2.

Preferably, as shown in fig. 4, a piston rod of the first electric push rod 303 is connected to a bracket 308, and a spring 309 is disposed between a lower end of the movable fixing plate 301 and an upper end of the bracket 308.

Preferably, as shown in fig. 1, the gripping device 404 is a pneumatic finger.

Preferably, as shown in fig. 1, rear ends of the two side holding arms 504 are respectively in threaded connection with two sides of a double-threaded screw 505, the directions of the threads on the two sides of the double-threaded screw 505 are opposite, the threads on the two sides of the double-threaded screw 505 and the two side holding arms 504 are symmetrically arranged, the double-threaded screw 505 is horizontally arranged in a sliding groove 506 at the side end of the support 503, rotating shafts at the two ends of the double-threaded screw 505 are connected with bearings in the support 503, and one end of the double-threaded screw 505 passes through the bearings in the support 503 and is connected with a handle 507 outside the support 503.

Preferably, as shown in fig. 6, a long groove 508 is disposed at a side end of the holding arm 504 along a length direction thereof, a holding seat 509 is movably disposed in the long groove 508 along the length direction thereof, and the holding seat 509 extends out of the holding arm 504 at one side of the object holding table 2.

Preferably, as shown in fig. 6, the clamping seat 509 is in threaded connection with a screw rod 510 in the elongated groove 508, the screw rod 510 is disposed along the length direction of the clamping arm 504, the rotating shafts at two ends of the screw rod 510 are connected with bearings in the clamping arm 504, one end of the screw rod 510 extends out of the clamping arm 504 to be connected with a holding handle 511, and the holding handle 511 is disposed at one side of the object holding table 2.

The specific using process is as follows: an operator places the circuit board on the upper end of the object supporting table 2, one edge of the circuit board is abutted against the reference plate 302 during placement, the position of the reference plate 302 needs to be adjusted before production so as to ensure that the circuit board is in the coverage area of the wire mesh plate, and then the movable fixing plates 301 of the circuit board in other three directions move towards the circuit board, so that the position of the circuit board is completely fixed; after the circuit board is fixed, the wire mesh plate is placed between the clamping seats 509 on the two sides, then the double-head screw 505 is rotated to enable the clamping seats 509 to move towards the circuit board, so that the wire mesh plate is fixed, the wire mesh plate needs to be kept in a horizontal state, in order to reduce the installation difficulty, a horizontal supporting plate can be arranged on the contact surface of the clamping seats 509 and the wire mesh plate, and then a groove matched with the supporting plate is formed in the side wall of the wire mesh plate; before formal production, the screw rod 510 is rotated to ensure that a silk-screen area meets requirements, during formal production, the support 503 descends to enable the silk-screen plate to be in contact with a circuit board, an operator holds a scraper to perform silk-screen printing, and after the silk-screen printing is finished, the support 503 ascends; if the circuit board only needs one side for silk printing, after the support 503 ascends, the movable fixing plate 301 is far away from the circuit board, and then the circuit board is taken down, if the reverse side of the circuit board needs silk printing, after the movable fixing plate 301 is far away from the circuit board, the clamping device 404 moves towards the circuit board under the driving of the second electric push rod 402 and clamps the circuit board, after the clamping is completed, the base 401 ascends, the turntable 403 rotates one hundred eighty degrees to exchange the front side and the reverse side of the circuit board, after the exchange is completed, the base 401 descends to enable the circuit board to be placed on the object supporting table 2 again, at the moment, the clamping device 404 loosens the circuit board and retreats to reset, after the clamping device 404 resets, an operator checks whether the circuit board is blocked by; after the above steps are completed, the movable fixing plate 301 moves to the circuit board again, and the previous actions are repeated.

It should be noted that, in this document, 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.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the above technical features may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.