Cover film attaching device for flexible circuit board production

Abstract

The utility model discloses a cover film attaching device for flexible circuit board production, which belongs to the technical field of circuit board production, and comprises a flexible circuit board film sticking machine, support plates are symmetrically and fixedly mounted on the front side of the flexible circuit board film sticking machine, one end of each support plate is hinged with a protective cover, and the other end of each support plate is hinged with the protective cover. The protective cover is fixedly connected with one side of the supporting plate through a hasp, a strip-shaped hole is formed in the supporting plate, a sliding plate is installed on the inner wall of the strip-shaped hole in a sliding mode, supporting blocks are fixedly installed on the two sides of the sliding plate, and supporting holes matched with the supporting blocks are formed in the two sides of the inner wall of the strip-shaped hole. A threaded rod is rotatably mounted between the two sides of the inner wall of the supporting hole, a vertical plate is fixedly mounted at the top end of the sliding plate, a sleeve rod is rotatably mounted on one side of the vertical plate, a roll-shaped film belt is slidably mounted on the outer side of the sleeve rod, and a quick-release clamping assembly matched with the roll-shaped film belt is mounted in the sleeve rod. The device is good in protection, feeding and discharging are easy and convenient, and tension adjustment is accurate and safe.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board production, and concretely relates to a covering film attaching device for flexible circuit board production. BACKGROUND

[0002] At present, flexible circuit board, also known as soft board, is a printed circuit made of flexible insulating substrate. Flexible circuit provides excellent electrical performance, can meet the design needs of smaller and higher density installation, and also helps to reduce assembly process and enhance reliability. When producing flexible circuit board, it is necessary to film the flexible circuit board.

[0003] In the prior art, the application number for a covering film attaching device for flexible circuit board production is CN202420067797.6, which belongs to the technical field of circuit board production. The technical solution points include a flexible circuit board film laminator, a door body and a control center. The front side of the flexible circuit board film laminator is provided with a fixed plate, the number of the fixed plate is two, the top of the fixed plate is provided with a protective cover, the inside of the protective cover is provided with an adjusting mechanism, and the inside of the protective cover is provided with a film belt. The device solves the problem that in most existing devices for laminating flexible circuit board, after fixing the roll-shaped film belt, there is no structure to protect the roll-shaped film belt, which can easily cause dust or light floating objects to adhere to the surface of the roll-shaped film belt, affecting the laminating effect of the flexible circuit board, and it is not convenient to adjust the position of the roll-shaped film belt, which affects the use effect.

[0004] However, the above-mentioned prior art has the following disadvantages: first, when installing the film belt by opening the protective cover, the operator can only place the protective cover on the ground or hold the protective cover for operation. This way is not only very inconvenient, but also the protective cover can be easily damaged due to collision and other reasons during operation. More importantly, the protective cover lacks effective locking function, which may be opened accidentally during equipment operation, affecting the normal use of the equipment and the laminating effect. Secondly, when loading or unloading the roll-shaped film belt, the limiting ring needs to be rotated to realize screw fixation or disassembly, which is a complicated process, consumes time and labor cost, and reduces production efficiency. Finally, when adjusting the tension of the film belt, only manual pushing method can be used, but manual operation is difficult to accurately control the force, and once the force is not appropriate, the film belt will be easily damaged, which will affect the laminating quality of the flexible circuit board and the production progress. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a covering film attaching device for flexible circuit board production, which aims to improve the problem of low practicability of the existing device.

[0006] The utility model discloses a kind of covering film attachment devices of flexible circuit board production, including flexible circuit board film sticking machine, the front side symmetrical fixed mounting support plate of flexible circuit board film sticking machine, the one end of support plate is hinged with protective cover, the protective cover is fixedly connected with the one side of support plate by buckle, strip-shaped hole is provided on the support plate, slide plate is slidably installed in the inner wall of strip-shaped hole, support block is fixedly installed on the both sides of slide plate, the inner wall of strip-shaped hole is provided with the support hole matched with the support block, threaded rod is rotatably installed between the both sides of the inner wall of support hole, support block is screw-mounted on the threaded rod, drive assembly is installed at one end of threaded rod, vertical plate is fixedly installed at the top of slide plate, sleeve rod is rotatably installed on the one side of vertical plate, roll film belt is slidably installed on the outer side of sleeve rod, quick-release clamping assembly matched with roll film belt is installed in the sleeve rod.

[0007] In the preferred technical scheme of the utility model, the protective cover is provided with an observation window on one side, and the one side of the protective cover is provided with an opening.

[0008] In the preferred technical scheme of the utility model, the drive assembly comprises a first rotating shaft and a rotating disc, a cavity is formed in the support plate, a second rotating shaft is fixedly installed at one end of the threaded rod, the second rotating shaft penetrates into the cavity and is fixedly installed with a first bevel gear at one end, the first rotating shaft is rotatably installed between the both sides of the inner wall of the cavity, second bevel gears are fixedly installed on the first rotating shaft in a symmetrical manner, the second bevel gears are meshingly connected with adjacent first bevel gears, the first rotating shaft penetrates through the support plate at one end and is fixedly installed with the rotating disc, and the two threaded rods are symmetrically arranged.

[0009] In the preferred technical scheme of the utility model, the support plate is provided with a circular groove matched with the rotating disc on one side, the rotating disc is slidably connected with the inside of the circular groove, and a one-character plate is fixedly installed on one side of the rotating disc.

[0010] In the preferred technical scheme of the utility model, the clamping assembly comprises a first spring, a circular plate and a clamping block, the first spring is fixedly installed on the inner wall of the sleeve rod, the first spring is fixedly installed with the circular plate at one end, the circular plate is slidably connected with the inner wall of the sleeve rod, a support box is fixedly installed on one side of the circular plate, the outer side of the sleeve rod is symmetrically provided with a sliding hole matched with the support box, the clamping block is slidably installed on the inner wall of the support box, the clamping block penetrates through one side of the support box at one end and extends to the outer side, a second spring is fixedly installed between the other end of the clamping block and the inner wall of the support box, the outer side of the winding core of the roll film belt abuts against one side of the clamping block, the winding core is a center support ring of the roll film belt, the support box is slidably connected with the inner wall of the winding core, and one side of the clamping block is provided in an inclined manner.

[0011] The utility model discloses a preferred technical scheme, sleeve rod outside fixed installation positioning ring, positioning ring with vertical board one side slidingly connected.

[0012] In the preferred technical scheme of the utility model, the inner wall of the clamping block is provided with a sliding groove, the sliding groove is provided with a sliding block, one end of the sliding block is fixedly connected with a guide rod, one end of the guide rod penetrates through one side of the clamping block and is fixedly connected with the inner wall of the supporting box, the sliding block is circular, and the diameter of the sliding block is greater than that of the guide rod.

[0013] In the preferred technical scheme of the utility model, the clamping block is provided with a pull plate, one end of the pull plate penetrates through one side of the supporting box and extends to the outside, and the two sides of the pull plate are arc-shaped.

[0014] The utility model discloses the beneficial effect is:

[0015] The utility model discloses a protective cover, which is connected with a supporting plate through a hinged mode and is fixed by a buckle, and thus, when the protective cover is opened, it does not need to be placed on the ground or held by hand, operation is convenient, damage can be avoided, the effective locking of the protective cover is realized through the design of the buckle, accidental opening of the protective cover during equipment operation is prevented, the roll-shaped film strip is prevented from being polluted by dust and other impurities during the film pasting process, and the film pasting effect is improved.

[0016] The utility model discloses a fast release type clamping assembly, which is composed of a first spring, a circular plate and a clamping block, and thus, through simple operation, the roll core of the roll-shaped film strip can be quickly clamped and released, compared with the screw fixing mode of the traditional rotation limiting ring, the loading and unloading processes of the roll-shaped film strip are greatly simplified, time and manpower are saved, and production efficiency is improved.

[0017] The utility model discloses a fast release type clamping assembly, which is composed of a first spring, a circular plate and a clamping block, and thus, through simple operation, the roll core of the roll-shaped film strip can be quickly clamped and released, compared with the screw fixing mode of the traditional rotation limiting ring, the loading and unloading processes of the roll-shaped film strip are greatly simplified, time and manpower are saved, and production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and thus should not be regarded as the limitation to the scope, and for the ordinary skilled person in the art, other related drawings can be obtained without the creative labor on the basis of the drawings.

[0019] Figure 1is a structural schematic view of a covering film attaching device for flexible circuit board production provided by the embodiment of the present utility model;

[0020] Figure 2 is a partial structural schematic view of a covering film attaching device for flexible circuit board production provided by the embodiment of the present utility model;

[0021] Figure 3 is a structural schematic view of a support plate provided by the embodiment of the present utility model;

[0022] Figure 4 is a structural schematic view of a driving assembly provided by the embodiment of the present utility model;

[0023] Figure 5 is a structural schematic view of a clamping assembly provided by the embodiment of the present utility model.

[0024] In the figure: 110 - flexible circuit board film attaching machine; 120 - support plate; 121 - sliding plate; 122 - support block; 123 - threaded rod; 130 - protective cover; 131 - buckle; 140 - vertical plate; 141 - sleeve rod; 142 - roll-shaped film strip; 150 - first rotating shaft; 151 - rotating disc; 160 - first spring; 161 - round plate; 162 - clamping block; 163 - support box; 164 - second spring; 165 - positioning ring; 166 - sliding block; 167 - guide rod. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiment of the present utility model clearer, the technical scheme in the embodiment of the present utility model will be described clearly and completely below by combining the drawings in the embodiment of the present utility model. Obviously, the described embodiment is a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0026] Please refer to Figures 1-3The utility model provides technical scheme: a kind of covering film attaching device of flexible circuit board production, including flexible circuit board laminator 110, the front side symmetrical fixed mounting support plate 120 of flexible circuit board laminator 110, support plate 120 one end is hinged with protective cover 130, protective cover 130 is fixedly connected with support plate 120 one side by buckle 131, support plate 120 is provided with strip hole, slidingly installed sliding plate 121 in strip hole inner wall, support block 122 is fixedly installed in the both sides of sliding plate 121, strip hole inner wall both sides are provided with the support hole matched with support block 122, threaded rod 123 is rotatably installed between support hole inner wall both sides, support block 122 is screwed on threaded rod 123, threaded rod 123 one end is installed with drive assembly, sliding plate 121 top end is fixedly installed vertical plate 140, vertical plate 140 one side rotatably installs sleeve rod 141, sleeve rod 141 outside is slidably installed roll film band 142, sleeve rod 141 is installed with quick-release type clamping assembly matched with roll film band 142.

[0027] In some specific embodiments, the protective cover 130 is provided with an observation window on one side, and the protective cover 130 is provided with an opening on one side. The observation window facilitates the operator to directly observe the attachment of the internal film band during the operation of the equipment, without the need to frequently open the protective cover 130, thereby reducing the risk of foreign matter entering from the outside and avoiding possible damage caused by repeatedly opening and closing the protective cover 130.

[0028] Please refer to Figure 4 The drive assembly includes a first shaft 150 and a rotating disc 151. A cavity is provided in the support plate 120. A second shaft is fixedly installed at one end of the threaded rod 123. The second shaft penetrates into the cavity and is fixedly installed with a first bevel gear at one end. The first shaft 150 is rotatably installed between the inner walls of the cavity. The second bevel gear is fixedly installed on the first shaft 150 in a symmetrical manner. The second bevel gear is meshingly connected with the adjacent first bevel gear. The first shaft 150 penetrates the support plate 120 at one end and is fixedly installed with the rotating disc 151. The two threaded rods 123 are symmetrically arranged.

[0029] In some specific embodiments, the support plate 120 is provided with a circular groove matched with the rotating disc 151 on one side. The rotating disc 151 is slidably connected with the inside of the circular groove. A one-piece plate is fixedly installed on one side of the rotating disc 151. The circular groove provides a stable installation position for the rotating disc 151, making the rotating disc 151 more stable during rotation and less likely to shake, thereby ensuring the stability of the drive assembly transmission. The one-piece plate facilitates the operator to hold or use a tool to assist in rotating the rotating disc 151, thereby increasing the convenience and controllability of the operation.

[0030] Please refer to Figure 5The clamping assembly comprises a first spring 160, a circular plate 161 and a clamping block 162. The first spring 160 is fixedly installed on the inner wall of the sleeve rod 141. One end of the first spring 160 is fixedly installed with the circular plate 161. The circular plate 161 is in sliding connection with the inner wall of the sleeve rod 141. A support box 163 is fixedly installed on one side of the circular plate 161. Symmetrical sliding holes are arranged on the outer side of the sleeve rod 141 and matched with the support box 163. The clamping block 162 is slidingly installed on the inner wall of the support box 163. One end of the clamping block 162 slidingly penetrates one side of the support box 163 and extends to the outer side. A second spring 164 is fixedly installed between the other end of the clamping block 162 and the inner wall of the support box 163. One side of the clamping block 162 abuts against the outer side of the winding core of the roll-shaped film strip 142. The winding core is a central supporting ring of the roll-shaped film strip 142. The support box 163 is in sliding connection with the inner wall of the winding core. A positioning ring 165 is fixedly installed on the outer side of the sleeve rod 141 and in sliding connection with one side of the vertical plate 140.

[0031] In some specific embodiments, a sliding groove is arranged on the inner wall of the clamping block 162. A sliding block 166 is slidingly installed on the inner wall of the sliding groove. One end of the sliding block 166 is fixedly installed with a guide rod 167. One end of the guide rod 167 penetrates one side of the clamping block 162 and is fixedly connected with one side of the inner wall of the support box 163. The sliding block 166 is circularly arranged. The diameter of the sliding block 166 is greater than the diameter of the guide rod 167. The cooperation of the sliding groove and the sliding block 166 can guide the sliding direction of the clamping block 162, ensure the stable movement of the clamping block 162 in the support box 163, and make the clamping force of the clamping block 162 on the winding core more uniform. The guide rod 167 connects the sliding block 166 and the inner wall of the support box 163, further enhances the stability of the movement of the clamping block 162, avoids the shaking or tilting of the clamping block 162 during clamping, and thus better fixes the roll-shaped film strip 142.

[0032] In some specific embodiments, a pull plate is fixedly installed on one side of the clamping block 162. One end of the pull plate slidingly penetrates one side of the support box 163 and extends to the outer side. The two sides of the pull plate are arc-shaped. The pull plate facilitates the manual pulling of the clamping block 162 by the operator. One side of the clamping block 162 is inclined, which realizes the quick loading and unloading of the roll-shaped film strip 142 and is simple and intuitive to operate. The arc-shaped design of the two sides of the pull plate can avoid scratching the hands of the operator during pulling, improve the safety of operation, reduce the friction between the pull plate and other components, and prolong the service life of the pull plate and the equipment.

[0033] Working principle: first open the protective cover 130, because the protective cover 130 is connected with the support plate 120 through the buckle 131 and is hinged, convenient operation. After opening, the film band 142 is sleeved on the sleeve rod 141 and is extruded inward, the clamping block 162 is extruded inward to the support box 163 through the inclined surface by the film band 142, when one side of the film band 142 and one side of the positioning ring 165 are attached, the support box 163 can be moved to pass through the film band 142 by pulling the pull plate, at this time the clamping block 162 is not blocked by the second spring 164 and is returned by the elastic force, finally the first spring 160 is released and the support box 163 is pulled, so that the clamping block 162 clamps and fixes the film band 142.

[0034] Adjusting the position and tension of the film band: according to the actual demand of pasting the film, the first shaft 150 is rotated by rotating the rotating disc 151, the first shaft 150 drives the threaded rod 123 to rotate through the first bevel gear, the second bevel gear and the second shaft, the threaded rod 123 drives the sliding plate 121 to slide in the strip-shaped hole through the support block 122, the vertical plate 140 and the sleeve rod 141 move, the position of the film band 142 is accurately adjusted, and the tension of the film band is indirectly adjusted. During operation, the round groove on one side of the support plate 120 can make the rotating disc 151 rotate more stably, and the one-word plate is convenient to operate.

[0035] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be changed and varied. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cover film attaching device for flexible circuit board production, characterized in that, The invention includes a flexible circuit board laminating machine. A support plate is symmetrically fixedly mounted on the front side of the machine. A protective cover is hinged to one end of the support plate, and the protective cover is fixedly connected to one side of the support plate via a snap fastener. The support plate has a strip-shaped hole, and a sliding plate is slidably mounted on the inner wall of the strip-shaped hole. Support blocks are fixedly mounted on both sides of the sliding plate. Support holes matching the support blocks are provided on both sides of the inner wall of the strip-shaped hole. A threaded rod is rotatably mounted between the two sides of the inner wall of the support holes. The support blocks are threaded onto the threaded rod. A drive assembly is mounted on one end of the threaded rod. A vertical plate is fixedly mounted on the top of the sliding plate. A sleeve rod is rotatably mounted on one side of the vertical plate. A roll of film is slidably mounted on the outside of the sleeve rod. A quick-release clamping assembly that mates with the roll of film is installed inside the sleeve rod.

2. The cover film attaching device for flexible circuit board production according to claim 1, characterized in that, An observation window is provided on one side of the protective cover, and an opening is provided on the other side of the protective cover.

3. The cover film attaching device for flexible circuit board production according to claim 1, characterized in that, The drive assembly includes a first rotating shaft and a turntable. A cavity is provided inside the support plate. A second rotating shaft is fixedly installed at one end of the threaded rod. One end of the second rotating shaft passes through the cavity and is fixedly installed with a first bevel gear. The first rotating shaft is rotatably installed between the two sides of the inner wall of the cavity. The second bevel gears are symmetrically fixedly installed on the first rotating shaft. The second bevel gears mesh with the adjacent first bevel gears. One end of the first rotating shaft passes through the support plate and is fixedly installed with the turntable.

4. The cover film attaching device for flexible circuit board production according to claim 3, characterized in that, The support plate has a circular groove on one side that matches the turntable, the turntable is slidably connected to the inside of the circular groove, and a straight plate is fixedly installed on one side of the turntable.

5. The cover film attaching device for flexible circuit board production according to claim 1, characterized in that, The clamping assembly includes a first spring, a circular plate, and a clamping block. The first spring is fixedly installed on the inner wall of the sleeve rod, and the circular plate is fixedly installed on one end of the first spring. The circular plate is slidably connected to the inner wall of the sleeve rod. A support box is fixedly installed on one side of the circular plate. Sliding holes matching the support box are symmetrically arranged on the outer side of the sleeve rod. The clamping block is slidably installed on the inner wall of the support box. One end of the clamping block slides through one side of the support box and extends to the outer side. A second spring is fixedly installed between the other end of the clamping block and the inner wall of the support box. One side of the clamping block abuts against the outer side of the core of the roll film tape. One side of the clamping block is inclined.

6. The cover film attaching device for flexible circuit board production according to claim 1, characterized in that, A positioning ring is fixedly installed on the outer side of the sleeve.

7. The cover film attaching device for flexible circuit board production according to claim 5, characterized in that, The inner wall of the clamping block is provided with a sliding groove, and a slider is slidably installed on the inner wall of the sliding groove. A guide rod is fixedly installed at one end of the slider, and one end of the guide rod passes through one side of the clamping block and is fixedly connected to one side of the inner wall of the support box.

8. The cover film attaching device for flexible circuit board production according to claim 5, characterized in that, A pull plate is fixedly installed on one side of the clamping block, and one end of the pull plate slides through one side of the support box and extends to the outside.

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