CN218950603U

CN218950603U - Film guiding structure

Info

Publication number: CN218950603U
Application number: CN202320217236.5U
Authority: CN
Inventors: 王加林; 罗浩
Original assignee: Youwei Semiconductor Technology Guangdong Co ltd
Current assignee: Youwei Semiconductor Technology Guangdong Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-05-02
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a film guiding structure, which comprises: the device comprises a rotating shaft driving mechanism, a left pressing plate, a right pressing plate, a transmission mechanism, a first rotating shaft, a second rotating shaft, a first guiding device and a second guiding device. The rotary shaft driving mechanism is arranged on the left pressing plate and is connected with the first rotary shaft, one end of the first rotary shaft is arranged on the left pressing plate, the other end of the first rotary shaft is arranged on the right pressing plate, and the first rotary shaft is connected with the second rotary shaft through the transmission mechanism. The utility model has the beneficial effects that: 1. the guide block is added in the guide device, so that the film material can be firmly adsorbed, the rotating linear speed of the guide block is consistent with the traction speed of the film material, the film material and the guide block are ensured to be relatively static, and the film material is prevented from being stretched or wrinkles are generated. 2. The guide block pulls the film material to rotate to the appointed area of the film, so that the accuracy of the film pasting position can be ensured, and the reliability of the film pasting is improved.

Description

Film guiding structure

Technical Field

The utility model relates to the technical field of automatic film pasting equipment, in particular to a film guiding structure.

Background

Film sticking equipment is required to carry out film sticking (such as photosensitive dry films, ABF, RCC, copper foil, aluminum foil, tin foil and other film materials) in the fields of circuit boards, semiconductors, photoelectric panels and other industries, wherein a film guiding structure is required to be used for guiding the film materials of suspended parts to a film sticking area.

The membrane material guide structure in the current market mainly has the following problems: 1. because the film material guide is not provided with a fixing device, the position of the film material guide is inaccurate, and the subsequent film pasting effect and the product quality are affected. 2. When the guiding film material is applied to the plate, only the film guiding cylinder rotates, and the film material and the film guiding cylinder relatively move, so that the film material is stretched or is provided with abnormal problems such as wrinkles, and the subsequent film pasting effect and the product quality are affected.

Accordingly, the prior art has drawbacks and needs improvement.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a guide film structure.

The technical scheme of the utility model is as follows: the utility model provides a film guiding structure, comprising: the device comprises a rotating shaft driving mechanism, a left pressing plate, a right pressing plate, a transmission mechanism, a first rotating shaft, a second rotating shaft, a first guiding device and a second guiding device;

the rotating shaft driving mechanism is arranged on the left pressing plate, the rotating shaft driving mechanism is connected with the first rotating shaft, one end of the first rotating shaft is arranged on the left pressing plate, the other end of the first rotating shaft is arranged on the right pressing plate, and the first rotating shaft is connected with the second rotating shaft through the transmission mechanism;

the first guiding device is arranged on the first rotating shaft and can rotate under the drive of the first rotating shaft; the second guiding device is arranged on the second rotating shaft and can rotate under the drive of the second rotating shaft; the first guiding devices each include: the guide driving mechanism is used for driving the corresponding guide film cylinder and guide block to rotate, the corresponding guide block and the guide film cylinder are coaxially arranged, one side, away from the guide film cylinder, of the guide block forms a film suction surface, and a plurality of adsorption holes are formed in the film suction surface.

Further, the second rotating shaft comprises a second left rotating shaft unit and a second right rotating shaft unit, the transmission mechanism comprises a left transmission unit and a right transmission unit, the second left rotating shaft unit is in transmission connection with the left end of the first rotating shaft through the left transmission unit, and the second right rotating shaft unit is in transmission connection with the right end of the second rotating shaft through the right transmission unit.

Further, the left rotating shaft unit comprises a gear transmission assembly; the right rotating shaft unit comprises a gear transmission assembly.

Further, the transmission mechanism comprises a mechanical limiting structure.

Further, the film guiding structure further comprises a photoelectric sensing component for sensing the rotation angle of the first rotating shaft.

Further, the photoelectric sensing assembly includes: the photoelectric mounting support, response piece and a plurality of photoelectric sensor, the response piece with first pivot coaxial arrangement, photoelectric sensor passes through photoelectric mounting support installs right clamp plate department.

Further, the guide blocks are connected with the corresponding film guide cylinders through connecting rods.

Further, the first guiding device and the second guiding device respectively comprise a position sensing unit, and the position sensing unit is used for sensing the position of the corresponding guiding block.

Further, the first guiding device and the second guiding device each comprise a mechanical limiting structure.

Further, two ends of the film guiding cylinder of the first guiding device are respectively connected with the first rotating shaft through connecting plates; and two ends of the film guide cylinder of the second guide device are respectively connected with the second rotating shaft through connecting plates.

By adopting the scheme, the utility model has the beneficial effects that: 1. the guide block is added in the guide device, so that the film material can be firmly adsorbed, the rotating linear speed of the guide block is consistent with the traction speed of the film material, the film material and the guide block are ensured to be relatively static, and the film material is prevented from being stretched or wrinkles are generated. 2. The guide block pulls the film material to rotate to the appointed area of the film, so that the accuracy of the film pasting position can be ensured, and the reliability of the film pasting is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present utility model.

Fig. 2 is a schematic structural diagram of the second embodiment of the present utility model.

Fig. 3 is a schematic structural view of the mechanical limiting structure.

Fig. 4 is a schematic structural diagram of the photoelectric sensing assembly.

Detailed Description

The utility model will be described in detail below with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 4 in combination, in this embodiment, the present utility model provides a film guiding structure, which includes: a rotating shaft driving mechanism 1, a left pressing plate 2, a right pressing plate 3, a transmission mechanism 4, a first rotating shaft 5 and a second rotating shaft 6, a first guiding device 7 and a second guiding device 8. In this embodiment, the spindle driving mechanism 1 includes a motor and a speed reducer provided on the motor.

Specifically, in this embodiment, the shaft driving mechanism 1 is disposed on the left pressing plate 2, the shaft driving mechanism 1 is connected with the first shaft 5, one end of the first shaft 5 is disposed on the left pressing plate 2, the other end is disposed on the right pressing plate 3, and the first shaft 5 is connected with the second shaft 6 through the transmission mechanism 4.

Specifically, in this embodiment, the first guiding device 7 is disposed on the first rotating shaft 5, and may rotate under the drive of the first rotating shaft 5; the second guiding device 8 is arranged on the second rotating shaft 6 and can rotate under the drive of the second rotating shaft 6; the first guiding devices 7 each include: guide actuating mechanism 71, guide membrane section of thick bamboo 72 and guide block 73, in this implementation, guide actuating mechanism 71 includes the motor and sets up the speed reducer on the motor, guide actuating mechanism 71 is used for driving corresponding guide membrane section of thick bamboo 72 and guide block 73 rotate, corresponding guide block 73 with guide membrane section of thick bamboo 72 coaxial arrangement, guide block 73 is kept away from one side of guide membrane section of thick bamboo 72 forms a film absorption face 731, be formed with a plurality of adsorption holes on the film absorption face 731, external vacuum adsorption mechanism is connected with the inside air flue of guide block 73 through the joint for the adsorption hole that is connected with the air flue has adsorption function, realizes adsorbing and fixing to the membrane material, guarantees can not take place relative displacement between guide membrane section of thick bamboo 72 and the membrane material, has guaranteed the guiding effect of membrane material.

Further, the second rotating shaft 6 includes a second left rotating shaft unit 61 and a second right rotating shaft unit 62, the transmission mechanism 4 includes a left transmission unit and a right transmission unit, the second left rotating shaft unit 61 is in transmission connection with the left end of the first rotating shaft 5 through the left transmission unit, and the second right rotating shaft unit 62 is in transmission connection with the right end of the second rotating shaft 6 through the right transmission unit.

Further, the left rotating shaft unit comprises a gear transmission assembly; the right rotating shaft unit comprises a gear transmission assembly; the transmission of power is realized by a gear transmission mode.

Further, the transmission mechanism 4 comprises a mechanical limit structure. Specifically, in this embodiment, a limiting retaining wall 21 is formed on the left pressing plate 2 corresponding to the gear transmission component of the transmission device, and the transmission mechanism 4 is limited by the limiting retaining wall 21.

Further, the film guiding structure further comprises a photoelectric sensing component 9 for sensing the rotation angle of the first rotating shaft 5. Specifically, in this embodiment, the photoelectric sensing assembly 9 includes: the photoelectric mounting bracket 63, the sensing piece 91 and a plurality of photoelectric sensors 92, wherein the sensing piece 91 and the first rotating shaft 5 are coaxially arranged, and the photoelectric sensors 92 are mounted at the right pressing plate 3 through the photoelectric mounting bracket 93.

Further, the guide blocks 73 are connected to the corresponding film guide cylinders 72 through links 75.

Further, the first guide 7 and the second guide 8 each include a position sensing unit for sensing a position of the corresponding guide block 73. Specifically, in the present embodiment, a sensing piece 76 is provided in the link 75, and a proximity sensor 77 is provided at the mounting flange 74 where the guide driving mechanism 71 is mounted and fixed, so as to sense the positions of the link 75 and the guide block 73.

Further, the first guiding means 7 and the second guiding means 8 each comprise a mechanical limit structure. Specifically, in the present embodiment, a blocking piece is provided on the mounting flange 74 on which the guide driving mechanism 71 is mounted and fixed to restrict the link 75, thereby achieving mechanical restriction of the guide block 73.

Further, in this embodiment, two ends of the film guiding cylinder 72 of the first guiding device 7 are respectively connected to the first rotating shaft 5 through connection plates; the two ends of the film guiding cylinder 72 of the second guiding device 8 are respectively connected with the second rotating shaft 6 through connecting plates.

With continued reference to fig. 1 to fig. 4, in this embodiment, in operation, the rotation shaft driving mechanism 1 rotates to drive the first rotation shaft 5 and the second rotation shaft 6 to rotate, thereby driving the first guiding device 7 and the second guiding device 8 to rotate. When the film needs to be cut, the guide blocks 73 of the first guide device 7 and the second guide device 8 adsorb the film material, the film material surrounds the film guide cylinder 72, the rotating shaft driving mechanism 1 works and rotates to drive the first rotating shaft 5 and the second rotating shaft 6 to rotate, so that the first guide device 7 and the second guide device 8 are driven to rotate towards the middle, and the film material is guided to the film pasting area. In this embodiment, since the guide block 73 has adsorption capability, the membrane material may be adsorbed, so that there is no relative movement between the guide block 73 and the membrane material. In this solution, since the guide block 73 and the transmission mechanism 4 have both mechanical limit and sensor limit, the occurrence of over-limit and collision can be prevented.

In summary, the beneficial effects of the utility model are as follows: 1. the guide block is added in the guide device, so that the film material can be firmly adsorbed, the rotating linear speed of the guide block is consistent with the traction speed of the film material, the film material and the guide block are ensured to be relatively static, and the film material is prevented from being stretched or wrinkles are generated. 2. The guide block pulls the film material to rotate to the appointed area of the film, so that the accuracy of the film pasting position can be ensured, and the reliability of the film pasting is improved.

The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A film guide structure, comprising: the device comprises a rotating shaft driving mechanism, a left pressing plate, a right pressing plate, a transmission mechanism, a first rotating shaft, a second rotating shaft, a first guiding device and a second guiding device;

2. The film guide structure according to claim 1, wherein the second rotating shaft comprises a second left rotating shaft unit and a second right rotating shaft unit, the transmission mechanism comprises a left transmission unit and a right transmission unit, the second left rotating shaft unit is in transmission connection with the left end of the first rotating shaft through the left transmission unit, and the second right rotating shaft unit is in transmission connection with the right end of the second rotating shaft through the right transmission unit.

3. The film guide structure according to claim 2, wherein the left rotating shaft unit comprises a gear transmission assembly; the right rotating shaft unit comprises a gear transmission assembly.

4. The film guide structure according to claim 1 or 2, wherein the transmission mechanism comprises a mechanical limit structure.

5. The film guide structure according to claim 1 or 2, further comprising a photo-sensor assembly for sensing a rotation angle of the first rotation shaft.

6. The film guide structure of claim 5, wherein the photo-sensing assembly comprises: the photoelectric mounting support, response piece and a plurality of photoelectric sensor, the response piece with first pivot coaxial arrangement, photoelectric sensor passes through photoelectric mounting support installs right clamp plate department.

7. The film guide structure according to claim 1 or 2, wherein the guide blocks are connected with the corresponding film guide cylinders through connecting rods.

8. The film guide structure according to claim 1 or 2, wherein the first guide means and the second guide means each include a position sensing unit for sensing a position of a corresponding guide block.

9. The film guide structure according to claim 1 or 2, wherein the first guide means and the second guide means each comprise a mechanical limiting structure.

10. The film guiding structure according to claim 1 or 2, wherein two ends of the film guiding cylinder of the first guiding device are respectively connected with the first rotating shaft through connecting plates; and two ends of the film guide cylinder of the second guide device are respectively connected with the second rotating shaft through connecting plates.