CN215576097U

CN215576097U - Positioning device of exposure machine

Info

Publication number: CN215576097U
Application number: CN202122025772.9U
Authority: CN
Inventors: 林龙峰
Original assignee: Suzhou Aobao Machinery Technology Co ltd
Current assignee: Suzhou Aobao Machinery Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-01-18
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to the technical field of circuit board manufacturing and discloses a positioning device of an exposure machine, which comprises a bottom plate, wherein a first sliding groove is formed in the surface of the bottom plate, a first sliding block is connected to the inside of the first sliding groove in a sliding manner, a screw rod is connected to the inside of the first sliding block in a threaded manner, and one end of the screw rod is rotatably connected with the inner wall of the first sliding groove through a bearing; according to the utility model, the purpose of convenient positioning can be achieved by a mode that the first sliding block moves along the sliding groove when the motor drives the screw rod to rotate and the first sliding block is matched with the connecting rod to ensure that the circuit board is not deviated when being positioned, so that the workload is reduced, the positioning precision is improved, and the working efficiency is improved.

Description

Positioning device of exposure machine

Technical Field

The utility model relates to the technical field of circuit board manufacturing, in particular to a positioning device of an exposure machine.

Background

One of the most critical processes in the manufacture of printed circuit boards is the transfer of a negative image to a substrate. The method comprises coating a layer of photosensitive material (such as liquid photosensitive glue and dry film of photosensitive resist) on a substrate, and irradiating the photosensitive material coated on the substrate with light to change its solubility. The resin of the unexposed part is not polymerized and dissolved under the action of a developing solution, and the photosensitive material of the exposed part is subjected to polymerization reaction and is solidified to form an image on the substrate, and the process is exposure, namely the process completed by an exposure machine in the production of the printed circuit board.

The existing positioning device is inconvenient to position, when the positioning device is used for positioning, a worker is usually required to place a circuit board on the positioning device, then the circuit board is placed according to a positioning line on the positioning device, the process is complicated, the positioning precision is low, the exposure quality is influenced, the working efficiency is reduced, the circuit board is not convenient to turn over, sometimes double-sided exposure is required to be carried out on the circuit board, the positioning device is generally a platform, after one-sided exposure is completed, the worker is required to take up the circuit board to turn over, then the other-sided positioning is carried out, the workload is increased, the working efficiency is reduced, the rejection rate is increased, and in order to solve the existing problems, the positioning device of the exposure machine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning device of an exposure machine, which has the advantages of convenience in positioning and convenience in overturning a circuit board and solves the problems of inconvenience in positioning and overturning the circuit board.

In order to achieve the purpose, the utility model provides the following technical scheme: a positioning device of an exposure machine comprises a bottom plate, wherein a first sliding groove is formed in the surface of the bottom plate, a first sliding block is connected to the inner portion of the first sliding groove in a sliding mode, a screw rod is connected to the inner portion of the first sliding groove in a threaded mode, one end of the screw rod is connected with the inner wall of the first sliding groove in a rotating mode through a bearing, a motor is connected to the other end of the screw rod in a bolted mode, the motor is embedded in the inner wall of the bottom plate, a supporting rod is connected to the top of the first sliding block in a bolted mode, a rotating rod is sleeved on the surface of the supporting rod in a rotating mode, a limiting mechanism is arranged between the rotating rod and the surface of the supporting rod, a positioning frame is connected to one end of the rotating rod in a bolted mode, a connecting rod is connected between the positioning frames in a sliding mode, a sliding mechanism is arranged between the positioning frame and the connecting rod, a tightening mechanism is arranged on the surface of the connecting rod, and when the motor drives the screw rod to rotate, the first sliding block moves along the sliding groove to be matched with the connecting rod to enable a circuit board not to be deviated when being positioned, the purpose of being convenient for fix a position can be reached, work load has been reduced, positioning accuracy has been improved, work efficiency has been improved, makes the dwang rotate and drive the locating rack rotation and cooperate stop gear to its spacing mode through rotating the crank, can reach the purpose of being convenient for overturn to the circuit board, has reduced the amount of labour, has reduced the rejection rate, has improved work efficiency.

Preferably, stop gear includes the fixed plate, the surperficial slip of fixed plate cup joints the spacing head, be provided with first spring between spacing head and the fixed plate, spacing hole has been seted up on the surface of bracing piece, and spacing hole and spacing head joint, through setting up stop gear, carry on spacingly to the bull stick.

Preferably, the sliding mechanism comprises a second sliding groove, the second sliding groove is formed in the inner wall of the connecting rod, a second sliding block is connected to the inner portion of the second sliding groove in a sliding mode, the surface of the second sliding block is in bolted connection with the surface of the positioning frame, and the connecting rod is enabled not to deviate due to the fact that the sliding mechanism is arranged.

Preferably, the abutting mechanism comprises an abutting plate, the surface of the abutting plate is in sliding sleeve connection with the inner portion of the connecting rod, a second spring is arranged between the abutting plate and the inner wall of the connecting rod, the circuit board is abutted tightly through the abutting mechanism, and exposure precision is improved.

Preferably, the right side is located one end bolt of dwang has the crank, through setting up the crank, is convenient for overturn the circuit board.

Preferably, the surface of the abutting plate is bonded with a rubber cushion block, and the circuit board is protected by the rubber cushion block.

Compared with the prior art, the utility model provides a positioning device of an exposure machine, which has the following beneficial effects:

1. according to the utility model, the first sliding block moves along the sliding groove when the motor drives the screw rod to rotate, and the first sliding block is matched with the connecting rod to ensure that the circuit board is not deviated during positioning, so that the purpose of convenient positioning can be achieved, the workload is reduced, the positioning precision is improved, and the working efficiency is improved;

2. according to the utility model, the rotating rod is rotated by rotating the crank handle, the positioning frame is driven to rotate, and the limiting mechanism is matched for limiting the rotating rod, so that the aim of conveniently overturning the circuit board can be achieved, the labor capacity is reduced, the rejection rate is reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

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

FIG. 4 is an enlarged view of the structure of FIG. 2.

In the figure: 1. a base plate; 2. a first chute; 3. a first slider; 4. a screw; 5. a motor; 6. a support bar; 7. rotating the rod; 8. a limiting mechanism; 9. a positioning frame; 10. a connecting rod; 11. a sliding mechanism; 12. a tightening mechanism; 13. a crank; 14. a rubber cushion block; 81. a fixing plate; 82. a limiting head; 83. a first spring; 84. a limiting hole; 111. a second chute; 112. a second slider; 121. a propping plate; 122. a second spring.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a positioning device of an exposure machine includes a bottom plate 1, a first chute 2 is disposed on a surface of the bottom plate 1, a first slider 3 is slidably connected to an inside of the first chute 2, a screw rod 4 is threadedly connected to an inside of the first slider 3, one end of the screw rod 4 is rotatably connected to an inner wall of the first chute 2 through a bearing, a motor 5 is bolted to the other end of the screw rod 4, the motor 5 is embedded in an inner wall of the bottom plate 1, a support rod 6 is bolted to a top of the first slider 3, a rotating rod 7 is rotatably sleeved on a surface of the support rod 6, a limiting mechanism 8 is disposed between the rotating rod 7 and the support rod 6, a positioning frame 9 is bolted to one end of the rotating rod 7, a connecting rod 10 is slidably connected between the positioning frames 9, a sliding mechanism 11 is disposed between the positioning frame 9 and the connecting rod 10, a tightening mechanism 12 is disposed on a surface of the connecting rod 10, and the first slider 3 moves along the chute to cooperate with the connecting rod 10 to enable a circuit board to move the circuit board when the screw rod 4 is driven by the motor 5 to rotate The mode that does not squint when the location, can reach the purpose of the location of being convenient for, reduced work load, improved positioning accuracy, improved work efficiency, make dwang 7 rotate and drive locating rack 9 and rotate and cooperate stop gear 8 to its spacing mode through rotating crank 13, can reach the purpose of being convenient for overturn the circuit board, reduced the amount of labour, reduced the rejection rate, improved work efficiency.

Further, stop gear 8 includes fixed plate 81, and the sliding surface of fixed plate 81 cup joints spacing head 82, is provided with first spring 83 between spacing head 82 and the fixed plate 81, and spacing hole 84 has been seted up on the surface of bracing piece 6, and spacing hole 84 and spacing head 82 joint, through setting up stop gear 8, carry on spacingly to bull stick 7.

Further, the sliding mechanism 11 includes a second sliding groove 111, the second sliding groove 111 is opened on the inner wall of the connecting rod 10, a second sliding block 112 is slidably connected inside the second sliding groove 111, and the surface of the second sliding block 112 is bolted to the surface of the positioning frame 9, so that the connecting rod 10 is not deviated by the arrangement of the sliding mechanism 11.

Further, the fastening mechanism 12 includes a fastening plate 121, the surface of the fastening plate 121 is slidably sleeved with the inside of the connecting rod 10, a second spring 122 is arranged between the fastening plate 121 and the inner wall of the connecting rod 10, and the circuit board is fastened by setting the fastening mechanism 12, so that the exposure precision is improved.

Furthermore, one end of the rotating rod 7 on the right side is bolted with a crank 13, and the circuit board can be conveniently turned over by arranging the crank 13.

Further, a rubber cushion block 14 is adhered to the surface of the abutting plate 121, and the circuit board is protected by the rubber cushion block 14.

When the positioning device is used, a circuit board is placed between the positioning frames 9, the abutting plate 121 abuts against the circuit board tightly, then the motor 5 is started, the motor 5 rotates to drive the screw rod 4 to rotate, the screw rod 4 rotates to drive the two first sliding blocks 3 to move relatively along the first sliding groove 2, the first sliding blocks 3 move relatively to drive the supporting rod 6 to move relatively, the supporting rod 6 moves relatively to drive the positioning frames 9 to move relatively, the positioning frames 9 move relatively to extrude the circuit board to a positioning area, and therefore the purpose of facilitating positioning is achieved;

rotate crank 13, crank 13 rotates to drive and rotates, and dwang 7 rotates and drives locating rack 9 and rotate, and locating rack 9 rotates and drives the circuit board and rotate, and when the circuit board overturned to the other side, spacing head 82 can with spacing hole 84 joint under the effect of first spring 83, fix dwang 7 to it is fixed to fix the circuit board, thereby reaches the purpose of being convenient for overturn the circuit board.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A positioning device of an exposure machine, comprising a base plate (1), characterized in that: the surface of the bottom plate (1) is provided with a first sliding chute (2), the inner part of the first sliding chute (2) is connected with a first sliding block (3) in a sliding manner, the inner part of the first sliding block (3) is connected with a screw rod (4) in a threaded manner, one end of the screw rod (4) is rotatably connected with the inner wall of the first sliding chute (2) through a bearing, the other end of the screw rod (4) is connected with a motor (5) in a bolt manner, the motor (5) is embedded in the inner wall of the bottom plate (1), the top of the first sliding block (3) is connected with a supporting rod (6) in a bolt manner, the surface of the supporting rod (6) is rotatably sleeved with a rotating rod (7), a limiting mechanism (8) is arranged between the surfaces of the rotating rod (7) and the supporting rod (6), one end of the rotating rod (7) is connected with a positioning frame (9) in a bolt manner, a connecting rod (10) is slidably connected between the positioning frames (9), and a sliding mechanism (11) is arranged between the positioning frame (9) and the connecting rod (10), the surface of the connecting rod (10) is provided with a propping mechanism (12).

2. The positioning device of an exposure machine according to claim 1, wherein: stop gear (8) are including fixed plate (81), the surface slip of fixed plate (81) cup joints spacing head (82), be provided with first spring (83) between spacing head (82) and fixed plate (81), spacing hole (84) have been seted up on the surface of bracing piece (6), and spacing hole (84) and spacing head (82) joint.

3. The positioning device of an exposure machine according to claim 1, wherein: the sliding mechanism (11) comprises a second sliding groove (111), the second sliding groove (111) is arranged on the inner wall of the connecting rod (10), a second sliding block (112) is connected to the inside of the second sliding groove (111) in a sliding mode, and the surface of the second sliding block (112) is bolted to the surface of the positioning frame (9).

4. The positioning device of an exposure machine according to claim 1, wherein: the abutting mechanism (12) comprises an abutting plate (121), the surface of the abutting plate (121) is in sliding sleeve connection with the inside of the connecting rod (10), and a second spring (122) is arranged between the abutting plate (121) and the inner wall of the connecting rod (10).

5. The positioning device of an exposure machine according to claim 1, wherein: and one end of the rotating rod (7) positioned on the right side is bolted with a crank (13).

6. The positioning device of an exposure machine according to claim 4, wherein: the surface of the abutting plate (121) is adhered with a rubber cushion block (14).