CN210641145U

CN210641145U - Automatic exposure mechanism for PCB

Info

Publication number: CN210641145U
Application number: CN201921082650.XU
Authority: CN
Inventors: 刘鹍; 宗海涛; 钱倩
Original assignee: Guangde Jinteng Electronic Technology Co ltd
Current assignee: Guangde Jinteng Electronic Technology Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-29
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses an automatic exposure mechanism for PCB board, including outer box, outer inner chamber of the body fixed mounting has the upright pole of four vertical settings, and the slip cap of upright pole outer peripheral face is equipped with the rod cover, and four rod cover fixed mounting are in connecting plate four corners position, and connecting plate one side minor face lateral wall intermediate position rotates and is connected with the dwang, and the dwang is kept away from connecting plate one end and is rotated and be connected with the right angle pole. The utility model discloses a rotate the second and change the handle, and then the direction is opened from the side door to the fly leaf and is shifted out, places the PCB board on the fly leaf, rotates the top dog, and the top dog prolongs the bolt and rotates, fixes PCB board four corners, pushes back the fly leaf initial position, and the handle is changeed to the reverse rotation second simultaneously, with the external internal portion of PCB board immigration, solves the easy ash that falls of PCB board exposure in-process among the prior art, and inconvenient technical problem is put to the PCB board simultaneously.

Description

Automatic exposure mechanism for PCB

Technical Field

The utility model relates to a PCB board exposure technical field, concretely relates to automatic exposure mechanism for PCB board.

Background

A PCB board exposure machine, also called a lithography machine, a mask alignment exposure machine, an exposure system, a lithography system, etc., is an important device in a Printed Circuit Board (PCB) manufacturing process. The general photolithography process includes the steps of cleaning and drying the surface of a silicon wafer, coating a base, spin-coating a photoresist, soft baking, alignment exposure, post-baking, developing, hard baking, etching and the like. Its main performance indicators are: the size range, resolution, alignment accuracy, exposure mode, light source wavelength, light intensity uniformity, production efficiency, etc. of the support substrate.

Patent document (201821949539.1) discloses a PCB exposure machine, which adopts a UV-LED lamp panel with longer service life and energy saving to replace the traditional halogen lamp source, and the UV-LED lamp panel adopts the working mode of mobile scanning exposure, compared with the traditional full-page exposure mode, the number of LEDs can be reduced, thereby further reducing the cost and saving the energy consumption. However, the exposure machine does not consider the exposure of the PCB with different thicknesses, and meanwhile, the exposure machine does not consider the influence of the falling ash on the surface of the PCB on the exposure effect when the PCB is exposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic exposure mechanism for PCB board solves following technical problem: (1) the second rotating handle is rotated to drive the connecting rod to rotate, the connecting rod drives the lead screw to rotate, the lead screw is matched with the inner thread sleeve to rotate, the lower moving plate moves towards the side plate on the surface of the sliding rail, the upper moving plate is pulled after the lower moving plate moves to the end of the sliding rail, the telescopic rod is driven to extend by the upper moving plate, the upper moving plate is moved out from the opening direction of the side door, the PCB is placed on the upper moving plate, the upper blocking piece is rotated along with the bolt to rotate, four corners of the PCB are fixed, the upper moving plate is pushed back to the initial position, meanwhile, the second rotating handle is rotated reversely, and the PCB is moved into the outer box body, so that the technical problems that ash is easy to fall in; (2) drive the right angle pole through first commentaries on classics and rotate, the right angle pole takes place to rotate with the dwang, rotates the rod sleeve that the in-process transfer pole drove one side and removes, and the rod sleeve slides about upright rod surface, and then the rod sleeve drives the connecting plate and reciprocates, adjusts exposure light source body height, can expose after the adjustment is accomplished, solves among the prior art not satisfied technical problem to the exposure of different thickness PCB boards of exposure machine.

The purpose of the utility model can be realized by the following technical scheme:

an automatic exposure mechanism for a PCB comprises an outer box body, wherein four vertical rods which are longitudinally arranged are fixedly arranged in an inner cavity of the outer box body, rod sleeves are slidably sleeved on the outer peripheral surfaces of the vertical rods, the four rod sleeves are fixedly arranged at four corners of a connecting plate, a rotating rod is rotatably connected to the middle position of the side wall of a short edge at one side of the connecting plate, and a right-angle rod is rotatably connected to one end, away from the connecting plate, of the rotating rod;

the supporting plate is arranged below the connecting plate, the upright rods are fixedly connected to four corners of the supporting plate, side baffles are fixedly mounted on two sides of the upper end face of the supporting plate in the length direction, two slide rails are fixedly arranged between the side baffles, the lower end face of the lower moving plate is connected with the slide rails in a sliding mode, a fixed plate is fixedly mounted on one side of the upper end face of the lower moving plate, telescopic rods are fixedly mounted on two sides of one end of the fixed plate, and the telescopic rods are far away from the upper moving plate fixedly connected with one end.

Furthermore, bolts are fixedly installed at four corners of the upper end face of the upper moving plate, and upper blocking pieces are rotatably arranged on the peripheral faces of the bolts.

Furthermore, an inner screw sleeve is fixedly installed in the middle of the lower end face of the lower moving plate, the outer peripheral face of the screw rod is sleeved with the inner screw sleeve in a rotating mode, a connecting rod penetrates through the surface of the side baffle on one side of the screw rod, and one end, far away from the side baffle, of the connecting rod penetrates through the side wall of the outer box body and is fixedly connected with a second rotating handle.

Further, an exposure light source body is fixedly arranged on the lower end face of the connecting plate; and a side door is rotatably arranged on one side of the outer box body.

Furthermore, the right-angle rod is kept away from dwang one end and is run through the first commentaries on classics handle of outer box lateral wall fixedly connected with.

The utility model has the advantages that:

(1) the utility model discloses an automatic exposure mechanism for PCB board, change the handle through rotating the second, the second is changeed and is driven the connecting rod and rotate, the connecting rod drives the lead screw and rotates, the silk braid rotates in the lead screw cooperation, move down the movable plate and remove towards the curb plate direction on the slide rail surface, move down the movable plate and remove behind the slide rail tip, the pulling overhead gage, the overhead gage drives the telescopic link extension, and then the overhead gage is opened the direction from the side door and is shifted out, place the PCB board on the overhead gage, rotate the top flap, the top flap prolongs the bolt and rotates, fix PCB board four corners, push back the initial position with the top gage, the handle is changeed to the reverse rotation second simultaneously, with PCB board immigration outer box internal portion. The automatic exposure mechanism can expose the PCB in a closed environment, so that dust in the exposure process is prevented from falling on the surface of the PCB to influence the exposure effect, and meanwhile, the placing and taking process of the PCB is more convenient;

(2) drive the right-angle pole through first commentaries on classics handle and rotate, the right-angle pole takes place to rotate with the dwang, rotates the rod cover that the in-process pole drove one side and moves, and the rod cover slides about upright pole surface, and then the rod cover drives the connecting plate and reciprocates, adjusts exposure light source body height, can expose after the adjustment is accomplished. This automatic exposure mechanism satisfies the PCB board to different thickness and exposes, conveniently adjusts to the exposure distance that makes the PCB board most, improves the quality and the qualification rate that the PCB board exposes greatly.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of an automatic exposure mechanism for a PCB according to the present invention;

fig. 2 is an installation schematic diagram of the upper moving plate and the lower moving plate of the present invention.

In the figure: 1. an outer case; 2. an upright post; 3. a rod sleeve; 4. a connecting plate; 5. rotating the rod; 6. a right-angle rod; 7. a first rotating handle; 8. a support plate; 81. a side dam; 9. a screw rod; 10. a slide rail; 11. an inner thread sleeve; 12. a lower moving plate; 13. a connecting rod; 14. a second rotating handle; 15. a fixing plate; 16. a telescopic rod; 17. moving the plate upwards; 18. a bolt; 19. a blocking piece is arranged; 20. a side door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model relates to an automatic exposure mechanism for PCB board, which comprises an outer case 1, four vertical rods 2 arranged vertically are fixedly arranged in the inner cavity of the outer case 1, rod sleeves 3 are slidably sleeved on the outer peripheral surfaces of the vertical rods 2, the four rod sleeves 3 are fixedly arranged at four corners of a connecting plate 4, a rotating rod 5 is rotatably connected at the middle position of the side wall of the short edge at one side of the connecting plate 4, and a right-angle rod 6 is rotatably connected at one end of the rotating rod 5 far away from the connecting plate 4;

the connecting plate 4 below is provided with backup pad 8, the equal fixed connection upright rod 2 of 8 four corners departments of backup pad, and the equal fixed mounting in backup pad 8 up end length direction both sides has side shield 81, fixedly between the side shield 81 being provided with two slide rails 10, slide rail 10 sliding connection moves down movable plate 12 down the terminal surface, moves down movable plate 12 up end one side fixed mounting has fixed plate 15 down, the equal fixed mounting in fixed plate 15 one end both sides has telescopic link 16, telescopic link 16 keeps away from fixed plate 15 one end fixedly connected with and moves up movable plate 17.

Specifically, bolts 18 are fixedly mounted at four angular positions of the upper end surface of the upper moving plate 17, and an upper blocking piece 19 is rotatably arranged on the outer peripheral surface of each bolt 18. An inner screw sleeve 11 is fixedly arranged in the middle of the lower end face of the lower moving plate 12, the inner screw sleeve 11 is rotatably sleeved on the outer peripheral face of the screw rod 9, one side of the screw rod 9 penetrates through the surface of the side baffle 81 and is fixedly connected with a connecting rod 13, and one end, far away from the side baffle 81, of the connecting rod 13 penetrates through the side wall of the outer box body 1 and is fixedly connected with a second rotating handle 14. The lower end face of the connecting plate 4 is fixedly provided with an exposure light source body; a side door 20 is rotatably mounted to one side of the outer case 1. One end of the right-angle rod 6, which is far away from the rotating rod 5, penetrates through the side wall of the outer box body 1 and is fixedly connected with a first rotating handle 7.

Referring to fig. 1-2, the automatic exposure mechanism for PCB of the present embodiment works as follows:

opening a side plate 20, rotating a second rotating handle 14, driving a connecting rod 13 to rotate by the second rotating handle 14, driving a screw rod 9 to rotate by the connecting rod 13, matching the screw rod 9 with an inner thread sleeve 11 to rotate, driving a lower moving plate 12 to move towards the side plate 20 on the surface of a sliding rail 10, driving an upper moving plate 17 after the lower moving plate 12 moves to the end part of the sliding rail 10, driving an expansion rod 16 to extend by the upper moving plate 17, further moving the upper moving plate 17 out from the opening direction of a side door 20, placing a PCB on the upper moving plate 17, rotating an upper blocking piece 19, fixing four corners of the PCB, pushing the upper moving plate 17 back to an initial position, simultaneously reversely rotating the second rotating handle 14, moving the PCB into an outer box 1, and closing the side plate 20; rotate first commentaries on classics 7 according to the thickness of PCB panel, first commentaries on classics 7 drive right angle pole 6 and rotate, and right angle pole 6 takes place to rotate with dwang 5, rotates 3 removals of pole cover that in-process commentaries on classics pole 5 drove one side, and pole cover 3 slides about 2 surfaces of upright rod, and then pole cover 3 drives connecting plate 4 and reciprocates, adjusts exposure light source body height, can expose after the adjustment is accomplished.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The automatic exposure mechanism for the PCB is characterized by comprising an outer box body (1), wherein four vertical rods (2) which are longitudinally arranged are fixedly installed in the inner cavity of the outer box body (1), rod sleeves (3) are slidably sleeved on the outer peripheral surfaces of the vertical rods (2), the four rod sleeves (3) are fixedly installed at four corners of a connecting plate (4), a rotating rod (5) is rotatably connected to the middle position of the side wall of a short edge on one side of the connecting plate (4), and a right-angle rod (6) is rotatably connected to one end, far away from the connecting plate (4), of the rotating rod (5);

connecting plate (4) below is provided with backup pad (8), equal fixed connection upright rod (2) in backup pad (8) four corners department, just equal fixed mounting in backup pad (8) up end length direction both sides has side shield (81), fixed two slide rails (10) that are provided with between side shield (81), slide rail (10) sliding connection moves down terminal surface under movable plate (12), move down movable plate (12) up end one side fixed mounting have fixed plate (15), the equal fixed mounting in fixed plate (15) one end both sides has telescopic link (16), movable plate (17) are gone away from in fixed plate (15) one end fixedly connected with in telescopic link (16).

2. The automatic exposure mechanism for PCB of claim 1, wherein the four corners of the upper end surface of the upper moving plate (17) are fixedly provided with bolts (18), and the outer circumference of the bolt (18) is rotatably provided with an upper stop piece (19).

3. The automatic exposure mechanism for the PCB as claimed in claim 1, wherein an inner screw sleeve (11) is fixedly installed at a middle position of the lower end surface of the lower moving plate (12), the inner screw sleeve (11) is rotatably sleeved on the outer peripheral surface of the screw rod (9), a connecting rod (13) is fixedly connected to one side of the screw rod (9) penetrating through the surface of the side baffle (81), and a second rotating handle (14) is fixedly connected to one end of the connecting rod (13) far away from the side baffle (81) penetrating through the side wall of the outer box body (1).

4. The automatic exposure mechanism for PCB of claim 1, wherein the lower end face of the connection board (4) is fixedly provided with an exposure light source body; a side door (20) is rotatably installed on one side of the outer box body (1).

5. The automatic exposure mechanism for the PCB as claimed in claim 1, wherein the end of the right angle rod (6) far away from the rotating rod (5) penetrates through the side wall of the outer box body (1) to be fixedly connected with a first rotating handle (7).