CN209982858U

CN209982858U - Printing equipment for solder resist of FPC (Flexible printed Circuit) board

Info

Publication number: CN209982858U
Application number: CN201920626140.8U
Authority: CN
Inventors: 李长春; 李月安; 李朋; 陈晓燕
Original assignee: Dongguan Boyongkai Electronic Technology Co Ltd
Current assignee: Dongguan Boyongkai Electronic Technology Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-01-21
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to a lithography apparatus for FPC board solder resist, it includes the base, and the fixed two bearing frames that are provided with on the base rotate between two bearing frames and are connected with the axis of rotation. And a screen printing plate is fixedly arranged on the rotating shaft. Preferably, the screen printing plate is detachable. The base is provided with a driving part for driving the rotating shaft to rotate and a mounting groove for mounting the driving part. The extending direction of the mounting groove is vertical to the length direction of the rotating shaft. The drive portion is including rotating first gear and the second gear of connecting in the base, and first gear is located the mounting groove and is close to the one end of axis of rotation, and the second gear is located the mounting groove and keeps away from the one end of axis of rotation. The first gear is provided with a transmission area and an engagement area, and a transmission chain is connected between the transmission area of the first gear and the second gear. The rotating shaft is coaxially and fixedly provided with a third gear, and the meshing area of the first gear is meshed with the third gear. An auxiliary handle is arranged on the transmission chain. The utility model has the advantage of simple operation.

Description

Printing equipment for solder resist of FPC (Flexible printed Circuit) board

Technical Field

The utility model belongs to the technical field of the technique of FPC board production and specifically relates to a lithography apparatus for FPC board solder mask oil is related to.

Background

The FPC board, that is, the flexible circuit board, is a flexible printed circuit board made of a polyimide or polyester film as a base material, which has high reliability and is excellent in wiring density, light weight, thin thickness and good bendability.

The manufacturing process of the FPC board mainly comprises the steps of cutting, drilling, pasting a photosensitive film, aligning, exposing, developing, etching, demoulding, surface treatment, pasting a covering film or coating solder resist ink, pressing, curing, surface treatment, nickel gold deposition, character printing, shearing, electrical testing, punching, final inspection, packaging and shipment. Among them, solder resist ink is applied to protect the FPC board and insulate the surface thereof. In most of the current production factories, solder resist oil is often applied by printing using a screen printing technique. However, the existing screen printing equipment needs a worker to place the FPC board to be printed on the workbench, and then turn over the screen printing plate so that the screen printing plate is abutted against the FPC board. In the actual production engineering, the worker needs to turn over the screen printing plate continuously, so that the printing equipment is not only troublesome to operate, but also low in working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lithography apparatus for FPC board solder mask has easy operation's advantage.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a lithography apparatus for FPC board solder resist, includes the base, the fixed bearing frame that is provided with on the base, it is connected with the axis of rotation to rotate on the bearing frame, the fixed screen printing plate that is provided with in the axis of rotation, be provided with on the base and be used for ordering about axis of rotation pivoted drive division, drive division including rotate connect in the first gear and the second gear of base, transmission district and meshing district have on the first gear, the transmission district of first gear with be connected with the driving chain between the second gear, the coaxial fixed third gear that is provided with in the axis of rotation, the meshing district and the third gear meshing of first gear.

Through adopting above-mentioned technical scheme, the staff removes the driving chain in order to drive first gear revolve to make and the third gear rotation of first gear engagement, thereby drive the axis of rotation and rotate so that the silk screen printing plate upset, from this, the staff only needs to remove the driving chain and just can realize the upset of silk screen printing plate, and easy operation has effectively improved work efficiency.

The utility model discloses further set up to: the base is provided with a mounting groove for mounting the driving part, and the transmission chain is provided with an auxiliary handle.

Through adopting above-mentioned technical scheme, the drive division is installed in the mounting groove for the desktop is clean and tidy and do not hinder the staff and use, and the staff just can drive the drive chain through the auxiliary handle that slides and remove easy operation.

The utility model discloses further set up to: the auxiliary handle comprises a sliding block which is connected to the mounting groove in a sliding mode, the sliding block is fixedly connected with the transmission chain, and a locking portion used for locking the sliding block is arranged on the sliding block.

By adopting the technical scheme, when the sliding block slides to a required position, the sliding block is locked by the locking part so that the driving part is locked, and the screen printing plate is prevented from rotating under the action of gravity.

The utility model discloses further set up to: the locking part comprises a rack which is connected to the sliding block in a sliding mode, a fourth gear which is meshed with the rack and a rotating handle which drives the fourth gear to rotate, the rotating handle is connected to the sliding block in a rotating mode, the fourth gear is coaxially and fixedly connected with the sliding block, and the end portion of the rack faces to the side wall of the mounting groove.

Through adopting above-mentioned technical scheme, rotate the turning handle in order to order about the fourth gear rotation to drive the rack and slide, on the tip of rack supported the lateral wall of the mounting groove of pressure, realize the locking of slider through the friction between increase rack and the mounting groove lateral wall.

The utility model discloses further set up to: and a plurality of clamping grooves for clamping the racks are arranged on the side wall of the mounting groove at intervals.

Through adopting above-mentioned technical scheme, the rack joint is in order to lock the slider in the draw-in groove, and the locking effect is reliable and stable.

The utility model discloses further set up to: the slider is provided with a limiting block in an integrated forming mode, and the mounting groove is provided with a sliding groove for the limiting block to slide along the sliding direction of the slider.

Through adopting above-mentioned technical scheme, the stopper moves about in the spout, avoids the slider to receive the action of gravity to slide in the mounting groove and cause the damage to the driving chain.

The utility model discloses further set up to: and a clamping assembly for clamping the screen printing plate is fixedly arranged on the rotating shaft.

Through adopting above-mentioned technical scheme, the dismantlement of screen printing plate has been simplified in the setting of centre gripping subassembly, has simplified this lithography apparatus's use.

The utility model discloses further set up to: the centre gripping subassembly is including fixed setting up epaxial first clamping piece of axis of rotation and second clamping piece, threaded connection has the bolt on the first clamping piece, the tip orientation of bolt the second clamping piece.

Through adopting above-mentioned technical scheme, the bolt rotates, and the bolt tip supports presses on the screen printing plate in order to compress tightly the screen printing plate on the second clip, realizes the centre gripping to the screen printing plate.

The utility model discloses further set up to: and a rubber pad is fixedly arranged at the end part of the bolt.

Through adopting above-mentioned technical scheme, the setting of rubber pad when frictional force between increase bolt tip and the screen printing plate, reduces the damage of bolt tip to the screen printing plate.

To sum up, the utility model discloses a beneficial technological effect does:

1. the arrangement of the driving part enables a worker to overturn the screen printing plate only by sliding the auxiliary handle, the operation is simple, and the working efficiency of the worker can be effectively improved;

2. the arrangement of the locking part on the auxiliary handle realizes the sliding or fixing of the transmission chain, the operation is simple, and the screen printing plate can be prevented from rotating under the action of gravity;

3. due to the arrangement of the clamping assembly, the disassembly of the screen printing plate is simplified, and the working efficiency of workers is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a driving part;

fig. 3 is a structural schematic view of the locking portion;

fig. 4 is a schematic diagram of the cross-sectional structure of the present invention.

In the figure, 1, a base; 2. a bearing seat; 3. a rotating shaft; 31. a third gear; 4. a screen printing plate; 5. a drive section; 51. a first gear; 511. a drive zone; 512. an engagement region; 52. a second gear; 53. a drive chain; 6. mounting grooves; 7. an auxiliary handle; 71. a slider; 72. a fourth gear; 73. a rack; 74. a handle is rotated; 75. a limiting block; 8. a clamping assembly; 81. a first clip piece; 82. a second clip; 83. a bolt; 84. and (7) a rubber pad.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 and 2, for the utility model discloses a lithography apparatus for FPC board solder resist, including base 1, the fixed two bearing frames 2 that are provided with on the base 1 rotate between two bearing frames 2 and are connected with axis of rotation 3. A screen printing plate 4 is fixedly provided on the rotary shaft 3. Preferably, the screen printing plate 4 is detachable. The screen printing plate 4 is constituted by a frame and a screen embedded in the frame, and the screen has a mesh that can transmit photosensitive oil.

The base 1 is provided with a driving part 5 for driving the rotating shaft 3 to rotate and a mounting groove 6 for mounting the driving part 5. The mounting groove 6 extends in a direction perpendicular to the longitudinal direction of the rotary shaft 3. The driving part 5 includes a first gear 51 and a second gear 52 rotatably coupled to the base 1, the first gear 51 being located at an end of the mounting groove 6 close to the rotation shaft 3, and the second gear 52 being located at an end of the mounting groove 6 far from the rotation shaft 3. The first gear 51 has a drive region 511 and a mesh region 512 thereon. A transmission chain 53 is connected between the transmission area 511 of the first gear 51 and the second gear 52. The rotating shaft 3 is coaxially and fixedly provided with a third gear 31, and the meshing area 512 of the first gear 51 is meshed with the third gear 31. The transmission chain 53 is provided with an auxiliary handle 7. The worker slides the assist grip 7 to move the transmission chain 53, and the first gear 51 moves following the transmission chain 53 to rotate the third gear 31 engaged with the first gear 51, thereby rotating the rotary shaft 3 to invert the screen printing plate 4.

The auxiliary handle 7 comprises a sliding block 71 which is slidably connected to the mounting groove 6, and the sliding block 71 is fixedly connected with the transmission chain 53 to drive the transmission chain 53 to move. The slider 71 is integrally formed with a stopper 75. The mounting groove 6 is provided with a sliding groove for the limiting block 75 to slide along the sliding direction of the sliding block 71, and the sliding groove is used for limiting the movement of the sliding block 71 in the up-and-down direction so that the sliding block 71 can stably slide in the sliding groove and the transmission chain 53 is prevented from being damaged due to the stretching of the transmission chain 53.

Referring to fig. 2 and 3, a locking portion for locking the slider 71 is provided on the slider 71. When the slider 71 is slid to a position close to the rotary shaft 3, the locking portion locks the slider 71 to lock the driving portion 5, preventing the screen printing plate 4 from being rotated by gravity. Specifically, the locking part comprises a rack 73 slidably connected to the slider 71, a fourth gear 72 meshed with the rack 73, and a rotating handle 74 driving the fourth gear 72 to rotate, wherein the rotating handle 74 is rotatably connected to the slider 71, the fourth gear 72 is coaxially and fixedly connected with the slider 71, and the end part of the rack 73 faces to the side wall of the mounting groove 6. The side wall of the mounting groove 6 is provided with a plurality of clamping grooves for clamping the racks 73 at intervals. The rotation handle 74 is rotated to drive the fourth gear 72 to rotate, and the rack 73 is driven to slide, so that the rack 73 is clamped or separated from the clamping groove, and the auxiliary handle 7 is locked or unlocked.

Referring to fig. 1 and 4, a clamping assembly 8 for clamping the screen printing plate 4 is fixedly provided on the rotary shaft 3. The clamping assembly 8 includes a first jaw 81 and a second jaw 82 fixedly disposed on the rotating shaft 3, and the first jaw 81 and the second jaw 82 are integrally formed. A bolt 83 is screwed to the first jaw 81, and an end of the bolt 83 faces the second jaw 82. A rubber pad 84 is fixedly provided at the end of the bolt 83. In the clamping, the bolt 83 is rotated to press the end of the bolt 83 against the screen printing plate 4, thereby pressing the screen printing plate 4 against the second jaw 82.

The implementation principle of the embodiment is as follows: the auxiliary handle 7 is slid forwards to enable the screen printing plate 4 to rotate upwards, the rotating handle 74 is rotated to enable the rack 73 to be clamped with the clamping groove, and a worker places the FPC board to be printed on the base 1 and adjusts the position; reversely rotating the rotating handle 74 to separate the rack 73 from the clamping groove, reversely sliding the auxiliary handle 7 to enable the screen printing plate 4 to rotate downwards and to be attached to the upper end face of the FPC plate, and painting solder mask oil on the screen printing plate 4 by a worker; after finishing painting, the auxiliary handle 7 is slid forward to rotate the screen printing plate 4 upward, the rotating handle 74 is rotated to clamp the rack 73 with the clamping groove, and the operator takes out the printed FPC board.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a lithography apparatus for FPC board solder resist, includes base (1), fixed bearing frame (2) that are provided with on base (1), it is connected with axis of rotation (3) to rotate on bearing frame (2), fixed screen printing board (4) that are provided with on axis of rotation (3), its characterized in that: be provided with on base (1) and be used for the order of the drive division (5) of axis of rotation (3) pivoted, drive division (5) including rotate connect in first gear (51) and second gear (52) of base (1), have on first gear (51) transmission area (511) and meshing area (512), transmission area (511) of first gear (51) with be connected with drive chain (53) between second gear (52), coaxial fixed third gear (31) that is provided with on axis of rotation (3), meshing area (512) and third gear (31) meshing of first gear (51).

2. A printing apparatus for solder resist of FPC board according to claim 1, characterized in that: the base (1) is provided with a mounting groove (6) for mounting the driving part (5), and the transmission chain (53) is provided with an auxiliary handle (7).

3. A printing apparatus for solder resist of FPC board according to claim 2, characterized in that: the auxiliary handle (7) comprises a sliding block (71) which is connected to the mounting groove (6) in a sliding mode, the sliding block (71) is fixedly connected with the transmission chain (53), and a locking portion used for locking the sliding block (71) is arranged on the sliding block (71).

4. A printing apparatus for solder resist of FPC board according to claim 3, characterized in that: the locking part comprises a rack (73) connected to the sliding block (71) in a sliding mode, a fourth gear (72) meshed with the rack (73) and a rotating handle (74) driving the fourth gear (72) to rotate, the rotating handle (74) is connected to the sliding block (71) in a rotating mode, the fourth gear (72) is coaxially and fixedly connected with the sliding block (71), and the end portion of the rack (73) faces to the side wall of the installation groove (6).

5. A printing apparatus for solder resist of FPC board according to claim 4, wherein: and a plurality of clamping grooves for clamping the racks (73) are arranged on the side wall of the mounting groove (6) at intervals.

6. A printing apparatus for solder resist of FPC board according to claim 3, characterized in that: a limiting block (75) is integrally formed on the sliding block (71), and a sliding groove for the limiting block (75) to slide is formed in the mounting groove (6) along the sliding direction of the sliding block (71).

7. A printing apparatus for solder resist of FPC board according to claim 1, characterized in that: and a clamping assembly (8) for clamping the screen printing plate (4) is fixedly arranged on the rotating shaft (3).

8. A printing apparatus for solder resist of FPC board according to claim 7, characterized in that: centre gripping subassembly (8) are including fixed setting first clamping piece (81) and second clamping piece (82) on axis of rotation (3), threaded connection has bolt (83) on first clamping piece (81), the tip orientation of bolt (83) second clamping piece (82).

9. A printing apparatus for solder resist of FPC board according to claim 8, characterized in that: and a rubber pad (84) is fixedly arranged at the end part of the bolt (83).