CN216531977U - Compression fittings is used in flexible circuit board production - Google Patents
Compression fittings is used in flexible circuit board production Download PDFInfo
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- CN216531977U CN216531977U CN202123175467.4U CN202123175467U CN216531977U CN 216531977 U CN216531977 U CN 216531977U CN 202123175467 U CN202123175467 U CN 202123175467U CN 216531977 U CN216531977 U CN 216531977U
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- piston
- cylinder body
- circuit board
- piston rod
- flexible circuit
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Abstract
The utility model discloses a pressing device for producing a flexible circuit board, which comprises a rack and a hydraulic cylinder arranged on the rack, wherein a pressing plate for pressing the flexible circuit board is arranged on the rack, the hydraulic cylinder comprises a cylinder body and a piston rod, the cylinder body is sleeved outside the piston rod, and the pressing device is characterized in that the piston rod is fixed on the rack, the cylinder body is positioned on the outer wall of the piston rod and performs reciprocating motion, the cylinder body and the pressing plate are integrally formed, the piston is sleeved on the piston rod, the cylinder body and the piston are abutted, the cylinder body and the pressing plate are integrally arranged, and the cylinder body performs reciprocating motion, so that the stress of the flexible circuit board in the pressing process is more uniform, the accumulated error of the flexible circuit board in the pressing production is effectively reduced, and the flatness of the flexible circuit board in the pressing production is improved.
Description
Technical Field
The utility model relates to the technical field of circuit board pressing, in particular to a pressing device for producing a flexible circuit board.
Background
The flexible printed circuit board is a flexible printed circuit board which is made of polyimide or polyester film as a base material and has high reliability and is excellent, and a pressing process is required in the production process.
With the development of science and technology, the processing and production trend of flexible circuit boards is that the area is bigger and bigger, and the thickness is thinner and thinner, so that the precision of production equipment is required to be higher and higher.
The existing pressing device for producing the flexible circuit board generally adopts two or more hydraulic cylinders to press the flexible circuit board, a cylinder body is fixed on a rack, a plurality of piston rods are fixed on a pressing plate and perform reciprocating motion simultaneously to provide pressure for the pressing plate, in the existing granted patent (publication number: CN214381613U), a plurality of hydraulic cylinders are arranged on the rack, the cylinder body on the hydraulic cylinders is fixed, the piston rods perform reciprocating motion to further drive the pressing plate, so that the stress of the flexible circuit board is uneven, the accumulated error is larger, and the flatness of the flexible circuit board during pressing production is influenced
SUMMERY OF THE UTILITY MODEL
In order to solve the technical defects in the prior art, the utility model aims to provide a pressing device for producing a flexible circuit board, wherein a cylinder body and a pressing plate are integrated, so that the stress is more uniform in the pressing process of the flexible circuit board.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a compression fittings is used in flexible circuit board production, includes the frame, sets up the pneumatic cylinder in the frame, is provided with the pressfitting board that is used for the pressfitting of flexible circuit board in the frame, and the pneumatic cylinder includes cylinder body and piston rod, and outside the piston rod was located to the cylinder body cover, the piston rod was fixed in the frame, and the cylinder body is located the piston rod outer wall and carries out reciprocating motion, and cylinder body and pressfitting board integrated into one piece.
By adopting the technical scheme, the accumulated error of the flexible circuit board in the pressing production can be effectively reduced, and the stress is more uniform in the pressing process of the flexible circuit board, so that the flatness of the flexible circuit board in the pressing production is improved.
Preferably, the cylinder body is provided with a hollow cavity for sleeving the piston rod, and the cylinder body is provided with an oil duct pipeline communicated with the hollow cavity.
Through adopting above-mentioned technical scheme, realize the cylinder body in oil-out, further realization cylinder body carries out reciprocating motion on the piston rod.
Preferably, the cylinder body is provided with an exhaust hole communicated with the hollow cavity.
By adopting the technical scheme, abnormal phenomena such as vibration, noise, heating, starting preshoot, low-speed crawling and the like in the working process of the oil cylinder can be avoided, and the stability of the oil cylinder in the working process is ensured.
Preferably, the piston rod is sleeved with a piston, and the cylinder body is abutted to the piston.
By adopting the technical scheme, the relative reciprocating motion between the cylinder body and the piston rod is realized, the sealing between the cylinder body and the piston rod is realized, and the guide effect is realized for the reciprocating motion of the cylinder body outside the piston rod.
Preferably, the piston is uniformly distributed with fixing pieces, and the fixing pieces penetrate through the piston and are fixedly connected with the cylinder body.
Through adopting above-mentioned technical scheme, guarantee the installation between piston and the cylinder body and fix.
Preferably, the piston outer wall is provided with the undergauge portion towards cylinder body one side, and cylinder body outer wall is provided with the flaring portion towards piston one side, contacts between flaring portion and the piston undergauge portion.
Through adopting above-mentioned technical scheme, realize installation and contact between cylinder body and the piston.
Preferably, a chamfer is arranged at the joint of the reducing part and the end face of the bottom of the piston.
By adopting the technical scheme, the damage to the workpiece during installation between the cylinder body and the piston is avoided.
Preferably, the inner wall of the piston is provided with at least three groups of sealing rings, one group of sealing rings is positioned between the piston and the piston rod, the other group of sealing rings is positioned between the piston rod and the cylinder body, and the other group of sealing rings is positioned between the diameter reducing part of the piston and the diameter expanding part of the cylinder body.
By adopting the technical scheme, the sealing performance of the oil cylinder is ensured.
Preferably, a dustproof ring is arranged between the contact surface of the piston and the piston rod, and the dustproof ring is positioned above the sealing ring between the piston and the piston rod.
Through adopting above-mentioned technical scheme, prevent that the dust from getting into inside the pneumatic cylinder.
In summary, the present invention has the following technical effects:
through setting up cylinder body and pressfitting board to the integral type, the cylinder body carries out reciprocating motion, can make the pressfitting process of flexible circuit board make the atress more even, effectively reduces the accumulative error of flexible circuit board in pressfitting production to improve the roughness of flexible circuit board in pressfitting production.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic side sectional view of a hydraulic cylinder according to an embodiment of the present invention.
The reference numerals in the figures illustrate: 1. a frame; 2. a hydraulic cylinder; 3. a cylinder body; 4. a piston rod; 5. a hollow cavity; 6. an oil duct line; 7. an exhaust hole; 8. a piston; 9. a fixing member; 10. chamfering; 11. a seal ring; 12. a dust ring.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to FIGS. 1-2.
The utility model provides a compression fittings is used in flexible circuit board production, as shown in figure 1, including frame 1, be provided with pressfitting board, pneumatic cylinder 2 that are used for the pressfitting of flexible circuit board in frame 1, pneumatic cylinder 2 includes cylinder body 3 and piston rod 4, and cylinder body 3 and pressfitting board integrated into one piece, can effectively reduce the accumulative error of flexible circuit board in pressfitting production, and the pressfitting process messenger atress that makes the flexible circuit board is more even to improve the roughness of flexible circuit board in pressfitting production.
In order to enable the cylinder body 3 to better press the flexible circuit board, the provided pressure is more uniform, the sizes of the cylinder body 3 and the piston rod 4 can be increased to 330mm, the coverage surface of the lower end face of the cylinder body 3 facing the flexible circuit board is more, and the sizes of the cylinder body 3 and the piston 8 rod 4 can be adjusted according to actual production requirements.
As shown in fig. 1 and 2, the cylinder body 3 has an open square columnar structure at one end, and a cylindrical hollow cavity 5 for sleeving the piston rod 4 is arranged in the cylinder body 3, the piston rod 4 is of a cylindrical structure and is fixed on the frame 1, the cylinder body 3 is located on the outer wall of the piston rod 4 for reciprocating motion, an oil duct pipeline 6 communicated with the hollow cavity 5 is arranged on the cylinder body 3, oil inlet and outlet in the cylinder body 3 are realized, in the embodiment, the oil duct pipeline 6 comprises an oil inlet pipeline and an oil return pipeline, an oil inlet of the oil inlet pipeline is located at the lower end of the outer wall of the cylinder body 3, and an oil outlet of the oil return pipeline is located at the upper end of the outer wall of the cylinder body 3.
Be provided with on the cylinder body 3 with the exhaust hole 7 that is linked together between the cavity 5, exhaust hole 7 is located 3 outer wall upper ends of cylinder body and top, exhaust hole 7 is the blind hole, in other embodiments, can install the exhaust piece additional in the exhaust hole 7 position on cylinder body 3, avoid this hydro-cylinder to produce vibration, noise, generate heat, start dashing and low-speed abnormal phenomena such as crawling in the course of the work, guarantee the stability of this hydro-cylinder in the course of the work, also avoid the air to get into in the cylinder body 3 simultaneously and the oil body is revealed.
In order to realize the relative reciprocating motion between cylinder body 3 and piston rod 4, piston 8 has been cup jointed on the piston rod 4, evenly distributed has mounting 9 on the piston 8, mounting 9 runs through fixed connection between piston 8 and the cylinder body 3, 8 outer walls of piston are provided with the undergauge portion towards cylinder body 3 one side, 3 outer walls of cylinder body are provided with the neck extension portion towards 8 one side of piston, the butt between neck extension portion and the 8 undergauge portion of piston, realize the sealed between cylinder body 3 and the piston rod 4, carry out reciprocating motion to cylinder body 3 outside piston 8 pole 4 simultaneously and play the guide effect.
In this embodiment, the junction of the diameter-reducing portion and the bottom end face of the piston 8 is provided with a chamfer 10, which can effectively prevent the damage of the workpiece during installation between the cylinder 3 and the piston 8.
As shown in fig. 2, in order to ensure the sealing performance of the oil cylinder, at least three sets of sealing rings 11 are arranged on the inner wall of the piston 8, one set is positioned between the piston 8 and the piston rod 4, one set is positioned between the piston rod 4 and the cylinder 3, and one set is positioned between the reduced diameter portion of the piston 8 and the enlarged neck portion of the cylinder 3.
In this embodiment, in order to prevent dust from entering the hydraulic cylinder 2, a dust ring 12 is disposed between the contact surfaces of the piston 8 and the piston rod 4, and the dust ring 12 is located above the sealing ring 11 between the piston 8 and the piston rod 4.
The implementation principle of the embodiment of the application is as follows: the cylinder body 3 sets up to the integral type with the pressfitting board on pneumatic cylinder 2, under the effect of piston 8 and oil duct pipeline 6, through control oil feed and oil production, makes cylinder body 3 carry out reciprocating motion at 4 outer walls of piston rod, can make the pressfitting process of flexible circuit board make the atress more even, effectively reduces the accumulative error of flexible circuit board in pressfitting production to improve the roughness of flexible circuit board in pressfitting production.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. The utility model provides a compression fittings is used in flexible circuit board production, including frame (1), pneumatic cylinder (2) of setting in frame (1), be provided with the pressfitting board that is used for the pressfitting of flexible circuit board in frame (1), pneumatic cylinder (2) are including cylinder body (3) and piston rod (4), outside piston rod (4) were located in cylinder body (3) cover, its characterized in that, on piston rod (4) were fixed in frame (1), cylinder body (3) were located piston rod (4) outer wall and carry out reciprocating motion, and cylinder body (3) and pressfitting board integrated into one piece.
2. The pressing device for producing the flexible printed circuit board according to claim 1, wherein the cylinder body (3) is provided with a hollow cavity (5) for sleeving the piston rod (4), and the cylinder body (3) is provided with an oil passage pipeline (6) communicated with the hollow cavity (5).
3. A laminating device for flexible circuit board production according to claim 2, characterised in that the cylinder body (3) is provided with an air vent (7) which is communicated with the hollow cavity (5).
4. The pressing device for producing the flexible printed circuit board according to claim 1, wherein the piston (8) is sleeved on the piston rod (4), and the cylinder body (3) is abutted against the piston (8).
5. A pressing-fit device for flexible circuit board production according to claim 4, characterized in that the fixing pieces (9) are uniformly distributed on the piston (8), and the fixing pieces (9) penetrate through the piston (8) and are fixedly connected with the cylinder body (3).
6. A pressing-fit device for flexible circuit board production according to claim 4, characterized in that, the side of the outer wall of the piston (8) facing the cylinder (3) is provided with a reducing portion, the side of the outer wall of the cylinder (3) facing the piston (8) is provided with an expanding portion, and the expanding portion is in contact with the reducing portion of the piston (8).
7. A laminating device for flexible circuit board production according to claim 6, characterised in that the junction of the reduced diameter portion and the bottom end face of the piston (8) is provided with a chamfer (10).
8. The pressing device for producing the flexible printed circuit board according to claim 4, wherein at least three sets of sealing rings (11) are arranged on the inner wall of the piston (8), one set is positioned between the piston (8) and the piston rod (4), one set is positioned between the piston rod (4) and the cylinder body (3), and the other set is positioned between the reduced diameter portion of the piston (8) and the enlarged neck portion of the cylinder body (3).
9. The pressing device for producing the flexible printed circuit board according to claim 8, wherein a dust ring (12) is disposed between the contact surfaces of the piston (8) and the piston rod (4), and the dust ring (12) is disposed above the sealing ring (11) between the piston (8) and the piston rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123175467.4U CN216531977U (en) | 2021-12-16 | 2021-12-16 | Compression fittings is used in flexible circuit board production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123175467.4U CN216531977U (en) | 2021-12-16 | 2021-12-16 | Compression fittings is used in flexible circuit board production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216531977U true CN216531977U (en) | 2022-05-13 |
Family
ID=81499545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123175467.4U Active CN216531977U (en) | 2021-12-16 | 2021-12-16 | Compression fittings is used in flexible circuit board production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216531977U (en) |
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2021
- 2021-12-16 CN CN202123175467.4U patent/CN216531977U/en active Active
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