CN214544951U - Vacuum film sticking machine - Google Patents
Vacuum film sticking machine Download PDFInfo
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- CN214544951U CN214544951U CN202120748448.7U CN202120748448U CN214544951U CN 214544951 U CN214544951 U CN 214544951U CN 202120748448 U CN202120748448 U CN 202120748448U CN 214544951 U CN214544951 U CN 214544951U
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Abstract
The utility model discloses a vacuum film sticking machine, which comprises a vacuum sticking module for sticking a covering film on the surface of a substrate, wherein the vacuum sticking module comprises an upper cavity component and a lower cavity component which form a vacuum cavity; the upper cavity assembly comprises an upper cover with an upper cavity and an air bag arranged in the upper cavity; the lower cavity component comprises an outer frame and a movable bottom plate, and the movable bottom plate is arranged in the outer frame and forms a lower cavity together with the outer frame; the vacuum laminating module further comprises a jacking device, and the jacking device is used for driving the movable bottom plate to do lifting movement in the outer frame. In the utility model, the distance between the movable bottom plate and the air bag can be changed by adjusting the height of the movable bottom plate, so that the film sticking machine can be suitable for base materials with different thicknesses; meanwhile, the height of the movable bottom plate is adjustable, so that the volume of the vacuum cavity is variable, and the vacuum pumping is facilitated.
Description
Technical Field
The utility model relates to a sticking film machine, especially a vacuum sticking film machine for circuit board pad pasting.
Background
The circuit board production process usually needs film pasting treatment. For example, a dry film is attached to the surface of the copper foil and the dry film is exposed and developed to fabricate a conductive circuit. In general, it is required to reduce the presence of air bubbles between a cover film (e.g., a dry film for development) and a base material (e.g., a copper foil for a circuit board) as much as possible when pasting a film.
The circuit board film pasting can be carried out through a vacuum film pasting machine, and the film pasting process can well eliminate or reduce air bubbles between the covering film and the base material. The vacuum laminator generally includes an upper cavity assembly, a lower cavity assembly and a vacuum pumping system, wherein the upper cavity assembly can cover the lower cavity assembly to form a vacuum cavity. An air bag is arranged in the upper cavity assembly, and a heating plate is arranged on the back of the air bag. When vacuum bonding is performed, the base material and the cover film are placed in a vacuum cavity, the vacuum cavity is vacuumized, and meanwhile, the air bag expands and the heating plate heats, so that the cover film can be bonded to the surface of the base material.
In the vacuum film sticking machine in the prior art, the bottom surface of the vacuum cavity is fixed, and the volume of the vacuum cavity is correspondingly not changeable, so that the thickness range of the applicable base material is limited, and the vacuum film sticking machine is not beneficial to vacuumizing. In addition, after the vacuum laminating machine is used for a long time, the expansion capacity of the air bag is generally easy to deteriorate, the laminating pressure to the laminating material is reduced, and the laminating effect is influenced.
Disclosure of Invention
The utility model aims at providing a vacuum film sticking machine not only is applicable to the laminating material of bigger thickness scope, is favorable to carrying out the laminating effect that keeps the preferred under evacuation operation and the long-term use moreover.
In order to achieve the main purpose, the utility model provides a vacuum film sticking machine, which comprises a vacuum sticking module for sticking a covering film on the surface of a substrate, wherein the vacuum sticking module comprises an upper cavity component and a lower cavity component which form a vacuum cavity, and the upper cavity component comprises an upper cover which forms an upper cavity and an air bag which is arranged in the upper cavity; the lower cavity component comprises an outer frame and a movable bottom plate, and the movable bottom plate is arranged in the outer frame and forms a lower cavity together with the outer frame; the vacuum laminating module further comprises a jacking device, and the jacking device is used for driving the movable bottom plate to do lifting movement in the outer frame.
According to the utility model discloses a concrete implementation mode, vacuum sticking film machine can also be including carrying membrane feed mechanism, and the transport membrane that should carry membrane feed mechanism to supply with passes between cavity subassembly and the lower cavity subassembly for send into the substrate and see off vacuum laminating module.
Further, the vacuum film sticking machine also comprises a protective film feeding mechanism, and the protective film supplied by the protective film feeding mechanism passes through the space between the upper cavity assembly and the lower cavity assembly; in the vacuum bonding process, the base material and the cover film are held between the protective film and the transport film.
According to a specific embodiment of the present invention, the movable bottom plate is provided with an elastic pad.
According to the utility model discloses a concrete implementation mode is equipped with lift support plate and heat insulating board between activity bottom plate and the jacking device, and the lift support plate is connected with the jacking device, and the heat insulating board setting is between activity bottom plate and lift support plate.
According to a more specific embodiment of the present invention, the lower cavity assembly further comprises a plurality of electric push rods, each electric push rod comprises a main body portion and a telescopic rod, the main body portion is movably abutted against the lower side of the lifting support plate, and the front end of the telescopic rod is fixedly connected with the outer frame; the telescopic rod is sleeved with a compression spring.
According to the utility model discloses a still more specific embodiment, vacuum laminating module still includes the frame, and the jacking device setting is equipped with the lift guide pillar between lift support plate and the frame in the frame.
Preferably, a locking mechanism is arranged on the frame and used for locking the lifting guide column.
According to a specific embodiment of the utility model, locking mechanism includes the cylinder and the clutch blocks be connected with the cylinder, and the clutch blocks is driven by the cylinder and is removed between the non-locking position with the locking position of lift guide pillar contact and with the lift guide pillar separation.
According to the utility model discloses a concrete implementation mode, vacuum sticking film machine can also be including pasting the module in advance, should paste the module in advance and be used for covering the membrane and paste the substrate surface in advance.
The utility model discloses a vacuum sticking film machine has following advantage: on the one hand, can adjust the height of movable bottom plate according to the thickness of different laminating materials to change the interval between movable bottom plate and the gasbag, make sticking film machine can be applicable to the laminating material of wideer thickness scope. On the other hand, in the process of vacuum fitting each time, the movable bottom plate can be positioned at a relatively lower position in the initial stage of vacuum fitting, so that the vacuum cavity has a relatively larger volume to be beneficial to vacuumizing; subsequently, the movable bottom plate can be lifted to a relatively high position, so that the air bag and the movable bottom plate can apply enough bonding pressure to the bonding material, and the vacuum bonding quality is ensured.
Further, as noted above, after the vacuum laminator is used for a long period of time, the expansion capability of the bladder is often easily deteriorated, and the bonding pressure to the bonding material is reduced. The utility model discloses in, can compensate the inflation volume of gasbag through the height of adjusting movable bottom plate for apply can not descend to the laminating pressure of laminating material, use for a long time and can reach good laminating effect equally down. In contrast, in the vacuum film sticking machine in the prior art, the height of the bottom surface of the vacuum cavity is fixed, and if the expansion capability of the air bag is degraded, the sticking pressure of the air bag and the bottom surface of the vacuum cavity to the sticking material is reduced, so that the sticking performance is affected.
To more clearly illustrate the objects, technical solutions and advantages of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a vacuum laminator of the present invention;
FIG. 2 is a schematic diagram of a vacuum lamination module, a film feeding mechanism and a protective film feeding mechanism according to an embodiment of the present invention;
fig. 3 is a block diagram of an embodiment of a vacuum lamination module of the present invention, wherein the upper chamber assembly is in a closed position;
fig. 4 is a block diagram of an embodiment of a vacuum lamination module of the present invention, wherein the upper chamber assembly is in an open position;
FIG. 5 is a block diagram of a lower chamber assembly in an embodiment of the invention;
fig. 6 is a perspective sectional view of a lower chamber assembly in an embodiment of the present invention.
Detailed Description
As shown in fig. 1, the vacuum film sticking machine of the embodiment of the present invention includes a vacuum sticking module 1 and a pre-sticking module 2. The pre-pasting module 2 is used for cutting the wound covering film and pre-pasting the covering film to the surface of the substrate in a sheet-like manner, wherein the process can be that a part of the covering film is pre-pasted to the surface of the substrate or the whole covering film is pre-pasted to the surface of the substrate. The base material is output through the discharging mechanism 21 of the pre-sticking module 2 after the covering film is pre-stuck. The structure of the pre-patch module 2 may be the same as that of the related art, and a detailed description thereof will be omitted.
The vacuum attaching module 1 is used for attaching the cover film to the surface of the substrate. As shown in fig. 2 to 4, the vacuum bonding module 1 includes an upper cavity assembly 11, a lower cavity assembly 12, a frame 13, and a jacking device (not visible in the drawings), the upper cavity assembly 11 includes an upper cover 111 hinged to the frame 13, the upper cover 111 has an upper cavity 110 and an air bag 112 disposed in the upper cavity 110, and a heating plate (not visible in the drawings) for heating the bonding material is disposed on the back of the air bag 112.
As shown in fig. 5 to 6, the lower chamber body assembly 12 includes an outer frame 121 and a movable bottom plate 122, wherein the movable bottom plate 122 is disposed in the outer frame 121 and encloses the lower chamber body 120 with the outer frame 121. A sealing ring 1221 is disposed between the movable bottom plate 122 and the outer frame 121, and when the upper chamber assembly 11 is closed, the upper chamber 110 and the lower chamber 120 form a vacuum chamber. An elastic backing plate 123 is arranged on the movable bottom plate 122, a heat insulation plate 124 and a lifting carrier plate 125 are sequentially arranged below the movable bottom plate 122, and the heat insulation plate 124 is arranged between the movable bottom plate 122 and the lifting carrier plate 125. The jacking device is located below the lower chamber assembly 12 and is in threaded connection with the connecting portion 1251 of the lifting support plate 125, so as to drive the movable bottom plate 122 to perform a lifting motion in the outer frame 121, thereby changing the volume of the vacuum chamber and the distance between the movable bottom plate 122 and the air bag 122.
As shown in fig. 5, the lower cavity assembly 12 further comprises a plurality of electric push rods 126, each electric push rod 126 comprises a main body portion 1261 and a telescopic rod 1262, and the main body portion 1261 can drive the telescopic rod 1262 to extend and retract. The main body 1261 is movably abutted with the lower side of the lifting support plate 125, and the front end of the telescopic rod 1262 is fixedly connected with the outer frame 121; the telescopic rod 1262 is sleeved with a compression spring 128, and the compression spring 128 is located between the outer frame 121 and the lifting support plate 125. A guide structure 129 is arranged between the outer frame 121 and the lifting bottom plate 125. By adjusting the length of the telescopic rod 1262, the distance between the lifting support plate 125 and the outer frame 121 can be changed, and further the relative initial positions of the movable bottom plate 122 and the outer frame 121 can be adjusted.
When the vacuum bonding module 1 works, the upper cover 111 is in a closed state, and the lifting device can drive the lifting carrier plate 125 to overcome the elastic force of the compression spring 128 and move upwards, and in the process, the outer frame 121 is abutted against the upper cover 111, so that the position of the outer frame 121 is unchanged. When the movable bottom plate 122 rises to a predetermined position (height) along with the lifting carrier plate 125, the air bag 112 and the movable bottom plate 122 apply a bonding pressure to the bonding material from the upper and lower sides, so as to complete the bonding operation.
A lifting guide column 127 is arranged between the lifting support plate 125 and the frame 13. The frame 13 is provided with a locking mechanism 15, and the locking mechanism 15 is used for locking the lifting guide column 127. The locking mechanism 15 includes a cylinder 151 and a friction block 152 connected to the cylinder 151, and the friction block 152 is driven by the cylinder 151 to move between a locking position contacting the lift pin 127 and a non-locking position separated from the lift pin 127. After the lifting device lifts the movable bottom plate 122 to a predetermined position, the cylinder 151 drives the friction block 152 to move horizontally to a locking position contacting the lifting guide column 127, and applies a locking friction force to the lifting guide column 127, so as to better maintain the movable support plate 122 at the predetermined lifting position.
With continued reference to fig. 1 and 2, the vacuum laminator of the embodiment may further include a film feeding mechanism 3. The feeding film feeding mechanism 3 includes a feeding film releasing roller 31, a feeding film winding roller 32, a first intermediate roller 33 and a second intermediate roller 34, the first intermediate roller 33 and the second intermediate roller 34 are substantially flush with the feeding mechanism 21 of the pre-attachment module 2, the feeding film releasing roller 31 and the feeding film winding roller 32 are disposed below the first intermediate roller 33 and the second intermediate roller 34, and the feeding film 300 released from the feeding film releasing roller 31 passes around the first intermediate roller 33 and then horizontally passes between the upper chamber assembly 11 and the lower chamber assembly 12, then passes around the second intermediate roller 34, and is finally wound up by the feeding film winding roller 32.
The bonding material 100 is conveyed onto the conveying film 300 from the discharging mechanism 21 of the pre-bonding module 2, and the conveying film 300 is pulled to advance in the process of winding the conveying film 300 by the conveying film winding roller 32, so that the bonding material 100 (the base material on which the cover film is pre-bonded) borne on the conveying film 300 can be conveyed into and out of the vacuum bonding module 1.
Further, the vacuum laminator of the embodiment further includes a protection film feeding mechanism 4, and the protection film 400 fed by the protection film feeding mechanism 4 also passes through between the upper cavity assembly 11 and the lower cavity assembly 12. The protective film 400 is located above the bonding material 100, that is, the upper and lower surfaces of the bonding material 100 are covered by the protective film 400 and the conveying film 300 respectively during vacuum bonding, and the protective film 400 and the conveying film 300 can prevent the surface of the bonding material 100 from being damaged.
Specifically, the protective film feeding mechanism 4 includes a protective film releasing roller 41, a protective film take-up roller 42, a third intermediate roller 43, and a fourth intermediate roller 44, the third intermediate roller 43 and the fourth intermediate roller 44 are substantially flush, the protective film releasing roller 41 and the protective film take-up roller 42 are disposed above the third intermediate roller 43 and the fourth intermediate roller 44, and the protective film 400 released from the protective film releasing roller 41 passes horizontally between the upper chamber assembly 11 and the lower chamber assembly 12 after passing around the third intermediate roller 43, then passes around the fourth intermediate roller 44, and is finally taken up by the protective film take-up roller 42.
When the vacuum film sticking machine works, the pre-sticking module 2 pre-sticks the covering film to the surface of the base material to form a sticking material 100 to be vacuum-stuck, the sticking material 100 is conveyed to the conveying film 300 from the discharging mechanism 21 of the pre-sticking module 2, and the conveying film 300 bears the weight of the vacuum cavity conveyed to the vacuum sticking module 1. In the initial stage of each vacuum bonding, the movable bottom plate 122 is at a relatively low initial position, and after the vacuum chamber is vacuumized for a preset time, the jacking device drives the movable bottom plate 122 to move upwards, so that the movable bottom plate 122 and the air bag 112 are close to each other to apply enough bonding pressure to the bonding material 100; at the same time, the bladder 112 expands and the heating plate heats up, so that the cover film can be closely attached to the substrate surface. After the bonding is completed, the transfer film 300 transfers the bonding material 100 from the vacuum transfer module 1 to a subsequent station.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that equivalent modifications made in accordance with the present invention are intended to be covered by the scope of the present invention, as defined by the appended claims, by those skilled in the art, without departing from the scope of the present invention.
Claims (10)
1. A vacuum film sticking machine comprises a vacuum sticking module for sticking a covering film on the surface of a base material, wherein the vacuum sticking module comprises an upper cavity assembly and a lower cavity assembly which form a vacuum cavity, and the upper cavity assembly comprises an upper cover which forms an upper cavity and an air bag which is arranged in the upper cavity; the method is characterized in that: the lower cavity component comprises an outer frame and a movable bottom plate, and the movable bottom plate is arranged in the outer frame and forms a lower cavity together with the outer frame; the vacuum laminating module further comprises a jacking device, and the jacking device is used for driving the movable bottom plate to move up and down in the outer frame.
2. The vacuum laminator according to claim 1, wherein: the vacuum film sticking machine further comprises a conveying film feeding mechanism, wherein a conveying film supplied by the conveying film feeding mechanism penetrates through the upper cavity assembly and the lower cavity assembly, and is used for conveying the base material into and out of the vacuum sticking module.
3. The vacuum laminator according to claim 2, wherein: the vacuum film sticking machine further comprises a protective film feeding mechanism, and a protective film supplied by the protective film feeding mechanism penetrates through the space between the upper cavity assembly and the lower cavity assembly; in the vacuum bonding process, the base material and the cover film are sandwiched between the protective film and the transport film.
4. The vacuum laminator according to claim 1, wherein: an elastic backing plate is arranged on the movable bottom plate.
5. The vacuum laminator according to claim 1, wherein: a lifting carrier plate and a heat insulation plate are arranged between the movable bottom plate and the jacking device, the lifting carrier plate is connected with the jacking device, and the heat insulation plate is arranged between the movable bottom plate and the lifting carrier plate.
6. The vacuum laminator according to claim 5, wherein: the lower cavity assembly further comprises a plurality of electric push rods, each electric push rod comprises a main body part and a telescopic rod, the main body parts are movably abutted against the lower side of the lifting support plate, and the front ends of the telescopic rods are fixedly connected with the outer frame; the telescopic rod is sleeved with a compression spring.
7. The vacuum laminator according to claim 5, wherein: the vacuum laminating module further comprises a rack, and a lifting guide pillar is arranged between the lifting support plate and the rack.
8. The vacuum laminator according to claim 7, wherein: and a locking mechanism is arranged on the rack and used for locking the lifting guide pillar.
9. The vacuum laminator according to claim 8, wherein: the locking mechanism comprises an air cylinder and a friction block connected with the air cylinder, and the friction block is driven by the air cylinder to move between a locking position in contact with the lifting guide pillar and a non-locking position separated from the lifting guide pillar.
10. The vacuum laminator according to claim 1, wherein: the vacuum film sticking machine further comprises a pre-sticking module, wherein the pre-sticking module is used for pre-sticking the covering film to the surface of the base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120748448.7U CN214544951U (en) | 2021-04-13 | 2021-04-13 | Vacuum film sticking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120748448.7U CN214544951U (en) | 2021-04-13 | 2021-04-13 | Vacuum film sticking machine |
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| Publication Number | Publication Date |
|---|---|
| CN214544951U true CN214544951U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120748448.7U Active CN214544951U (en) | 2021-04-13 | 2021-04-13 | Vacuum film sticking machine |
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| CN (1) | CN214544951U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214927A (en) * | 2022-08-17 | 2022-10-21 | 广东思沃先进装备有限公司 | Vacuum film pasting device |
| CN116476506A (en) * | 2023-05-09 | 2023-07-25 | 深圳市羽田精密电子有限公司 | Vacuum lamination machine of heating film |
-
2021
- 2021-04-13 CN CN202120748448.7U patent/CN214544951U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214927A (en) * | 2022-08-17 | 2022-10-21 | 广东思沃先进装备有限公司 | Vacuum film pasting device |
| CN116476506A (en) * | 2023-05-09 | 2023-07-25 | 深圳市羽田精密电子有限公司 | Vacuum lamination machine of heating film |
| CN116476506B (en) * | 2023-05-09 | 2023-12-19 | 深圳市羽田精密电子有限公司 | Vacuum lamination machine of heating film |
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