A polyimide film transparency detection machine

Abstract

A kind of polyimide film transparency detection machine, including detection machine bottom plate, fixed column is provided on detection machine bottom plate, fixed column is connected detection component by lifting assembly, detection component includes first backing plate, second backing plate and the probe for detecting the transparency of polyimide film, first backing plate and second backing plate are all installed with probe and are connected by vertical plate;Compression assembly includes power cylinder, first U-shaped pressing plate and the second U-shaped pressing plate being set above first U-shaped pressing plate, power cylinder is installed on first backing plate, multiple first return springs are distributed between first U-shaped pressing plate and second U-shaped pressing plate, first fixed block and second fixed block are respectively provided on the side wall of first U-shaped pressing plate and second U-shaped pressing plate, opening slot and limiting sliding slot are respectively set on first fixed block and second fixed block.This application can realize the transparency detection of polyimide film, and it is beneficial to improve detection accuracy.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of polyimide film, and particularly relates to a polyimide film transparency detection machine. BACKGROUND

[0002] The polyimide film is widely applied to the fields of flexible display and flexible thin film battery. After the polyimide film is produced, the transparency of the polyimide film needs to be detected. At present, the detection device is inconvenient to detect according to the moving height of the film, so that the detection efficiency is affected. In addition, the polyimide film to be detected is inconvenient to be stably laid on the probe during detection, so that the stability of detection is affected and detection error is easily caused. SUMMARY

[0003] The present application aims to provide a polyimide film transparency detection machine which can effectively solve the technical problems mentioned in the background.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme.

[0005] A polyimide film transparency detection machine comprises a detection machine bottom plate, a fixed stand column is arranged on the detection machine bottom plate, a detection assembly is connected to the fixed stand column through a lifting assembly, the detection assembly comprises a first pad plate, a second pad plate and a probe for detecting the transparency of the polyimide film, the first pad plate and the second pad plate are both provided with the probe and are connected through a vertical plate;

[0006] The pressing assembly comprises a power cylinder, a first U-shaped pressing plate and a second U-shaped pressing plate arranged above the first U-shaped pressing plate, the power cylinder is arranged on the first pad plate, a plurality of first return springs are arranged between the first U-shaped pressing plate and the second U-shaped pressing plate, a first fixed block and a second fixed block are arranged on the side walls of the first U-shaped pressing plate and the second U-shaped pressing plate respectively, an open slot and a limiting sliding slot are respectively arranged on the first fixed block and the second fixed block, a sliding rod is arranged in the limiting sliding slot, a fixed flapper is connected to the upper end of the sliding rod, a fixed block is connected to the lower end of the sliding rod, a second return spring is arranged between the fixed flapper and the second fixed block, one end of the fixed block extends out of the first fixed block, when the first return springs are in the compressed state, the first U-shaped pressing plate and the second U-shaped pressing plate are pushed to move downward until the upper end surface of the fixed block is lower than the lower end surface of the first fixed block and the second return spring is in the compressed state, then the sliding rod is pushed to slide along the limiting sliding slot until the sliding rod enters the open slot from one end of the open slot and the fixed block is pressed on the first fixed block;

[0007] When the power cylinder controls the second U-shaped pressing plate to move downward in the vertical direction, the pushing assembly pushes the fixed block to move until the sliding rod is separated from the opening slot, and then the first U-shaped pressing plate moves downward and presses the polyimide film to be detected on the second base plate.

[0008] Preferably, the pushing assembly comprises a pushing rod, an adjusting disc and a fixed disc, one side of the second base plate is provided with a fixed boss, the pushing rod passes through a limiting groove on the fixed boss, the lower end is connected with the adjusting disc, one side of the adjusting disc is provided with the fixed disc, an arc-shaped sliding slot is formed on the fixed disc, the upper end is connected with the fixed boss, a threaded column is connected with the adjusting disc, one end of the threaded column passes through the arc-shaped sliding slot and then passes through a lock washer and a lock nut in sequence.

[0009] Preferably, the outer side wall of the fixed disc is coplanar with the inner wall of the limiting groove, and the lock washer is made of rubber material.

[0010] Preferably, a limiting assembly is arranged, the limiting assembly comprises a limiting stand and a third return spring, one end of the limiting stand is provided with a hemispherical limiting boss, a second guide hole is formed on the side wall of the first fixed block, one end of the limiting stand is arranged in the second guide hole, the other end passes through a third guide hole on the positioning block, the positioning block is connected with the first fixed block through an L-shaped mounting block, a limiting baffle is arranged on the limiting stand, and the third return spring is arranged between the limiting baffle and the positioning block.

[0011] Preferably, when the limiting baffle is attached to the first fixed block, one end of the limiting stand is located in the second guide hole, and the limiting boss extends from the second guide hole into the opening slot on the first fixed block.

[0012] Preferably, the cross section of the sliding rod is in a rectangular structure.

[0013] Preferably, the upper end surface of the first U-shaped pressing plate is provided with a guide column, a first guide hole is formed on the second U-shaped pressing plate, and the upper end of the guide column passes through the first guide hole.

[0014] Preferably, the probe on the first base plate and the probe on the second base plate correspond to each other in the vertical direction.

[0015] Preferably, the probes on the first base plate are distributed in a linear and equidistant manner.

[0016] The lifting assembly comprises a driving motor, the fixed stand is internally provided with a first guide groove, a second guide groove is formed in the side wall and is in communication with the first guide groove, a first guide block and a second guide block are respectively arranged in the first guide groove and the second guide groove, one end of the second guide block is connected with the first guide block, the other end is connected with a vertical plate, the output end of the driving motor is connected with a transmission screw rod, and the transmission screw rod passes through a threaded hole in the first guide block.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] The driving motor drives the transmission screw rod to rotate so as to drive the first guide block to slide along the first guide groove, thereby driving the detection assembly to move in the vertical direction until the polyimide film to be detected is located above the probe on the second base plate, then, during the process that the power cylinder controls the second U-shaped pressing plate to move downward in the vertical direction, the pushing rod gradually pushes the fixed stop block to move, so that the sliding rod slides along the opening groove on the first fixed block to the limiting boss, the sliding rod pushes the limiting boss into the second guide hole on the first fixed block, and the limiting stand moves along the third guide hole on the positioning block, so that the third return spring is compressed between the limiting stop piece and the positioning block, when the sliding rod is separated from the opening groove, under the action of the first return spring, the first U-shaped pressing plate moves downward and stably presses the polyimide film to be detected on the second base plate, at this time, the polyimide film is located at the top of the probe on the second base plate, which is beneficial to improve the detection stability and can perform multi-point detection.

[0019] When it is necessary to adjust the pressing degree of the first U-shaped pressing plate on the polyimide film, the adjusting disc can be rotated to make the pushing rod rotate to the corresponding position along with the adjusting disc, so as to ensure that, after the first U-shaped pressing plate moves downward by the corresponding displacement, the displacement of the pushing rod pushing the fixed stop block to move can meet the separation of the sliding rod from the opening groove, after the angle of the pushing rod is adjusted, the adjusting disc is positioned on the fixed disc through the locking nut, so that the position of the pushing rod remains fixed. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structure schematic view of a polyimide film transparency detection machine in the embodiment of the present application;

[0021] Figure 2 is Figure 1 a partial enlarged view of A in

[0022] Figure 3 is a structure schematic view of a pressing assembly in the embodiment of the present application;

[0023] Figure 4 is an installation schematic view of a probe in the embodiment of the present application;

[0024] Figure 5It is the first view schematic diagram of the pushing assembly in the embodiment of the application;

[0025] Figure 6 It is the second view schematic diagram of the pushing assembly in the embodiment of the application;

[0026] Figure 7 It is the structural schematic diagram of the limiting assembly in the embodiment of the application;

[0027] In the figure, 1, detection machine bottom plate, 2, fixed stand, 3, first backing plate, 4, second backing plate, 5, probe, 6, vertical plate, 7, power cylinder, 8, first U-shaped pressing plate, 9, second U-shaped pressing plate, 10, first return spring, 11, first fixed block, 12, second fixed block, 13, open slot, 14, limiting sliding groove, 15, sliding rod, 16, fixed baffle, 17, fixed block, 18, second return spring, 19, pushing rod, 20, adjusting disc, 21, fixed disc, 22, fixed boss, 23, limiting recess, 24, arc-shaped sliding groove, 25, threaded column, 26, lock washer, 27, locking nut, 28, limiting stand, 29, third return spring, 30, limiting boss, 31, positioning block, 32, third guide hole, 33, L-shaped mounting block, 34, limiting baffle, 35, first guide hole, 36, guide column, 37, driving motor, 38, first guide block, 39, second guide block. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0029] Please refer to Figures 1-7 As shown in the figure, a polyimide film transparency detection machine comprises a detection machine bottom plate 1, the detection machine bottom plate 1 is provided with a fixed stand 2, the fixed stand 2 is connected with a detection assembly through a lifting assembly, the detection assembly comprises a first backing plate 3, a second backing plate 4 and a probe 5 for detecting the transparency of a polyimide film, the first backing plate 3 and the second backing plate 4 are both provided with the probe 5 and are connected through a vertical plate 6;

[0030] The pressing assembly comprises a power cylinder 7, a first U-shaped pressing plate 8 and a second U-shaped pressing plate 9 arranged above the first U-shaped pressing plate 8, the power cylinder 7 is installed on the first base plate 3, a plurality of first reset springs 10 are distributed between the first U-shaped pressing plate 8 and the second U-shaped pressing plate 9, a first fixing block 11 and a second fixing block 12 are respectively arranged on the side walls of the first U-shaped pressing plate 8 and the second U-shaped pressing plate 9, an open slot 13 and a limiting sliding groove 14 are respectively arranged on the first fixing block 11 and the second fixing block 12, a sliding rod 15 is arranged in the limiting sliding groove 14, a fixed stop disc 16 is connected to the upper end of the sliding rod 15, and a fixed stop block 17 is connected to the lower end of the sliding rod 15, a second reset spring 18 is arranged between the fixed stop disc 16 and the second fixing block 12 and is sleeved on the sliding rod 15, one end of the fixed stop block 17 extends out of the first fixing block 11, when the first U-shaped pressing plate 8 and the second U-shaped pressing plate 9 are close to each other until the first reset springs 10 are in a compressed state, the sliding rod 15 is pushed to move downward until the upper end surface of the fixed stop block 17 is lower than the lower end surface of the first fixing block 11 and the second reset spring 18 is in a compressed state, and then the sliding rod 15 is pushed to slide along the limiting sliding groove 14 until the sliding rod 15 is opened into the open slot 13 from one end of the open slot 13 and the fixed stop block 17 is pressed on the first fixing block 11;

[0031] When the power cylinder 7 controls the second U-shaped pressing plate 9 to move downward in the vertical direction, the pushing assembly pushes the fixed stop block 17 to move until the sliding rod 15 is separated from the open slot 13, and then the first U-shaped pressing plate 8 moves downward and presses the polyimide film to be detected on the second base plate 4;

[0032] The pushing rod 19 is arranged in an inclined state, when the fixed stop block 17 moves downward with the second U-shaped pressing plate 9, the pushing rod 19 contacts the fixed stop block 17, and then the pushing rod 19 starts to push the fixed stop block 17 to move along the open slot 13;

[0033] The pushing assembly comprises a pushing rod 19, an adjusting disc 20 and a fixed disc 21, one side of the second base plate 4 is provided with a fixed boss 22, the pushing rod 19 penetrates through a limiting recess 23 on the fixed boss 22, the lower end of the pushing rod 19 is connected to the adjusting disc 20, one side of the adjusting disc 20 is provided with the fixed disc 21, an arc-shaped sliding groove 24 is arranged on the fixed disc 21, the upper end of the fixed disc 21 is connected to the fixed boss 22, a threaded column 25 is connected to the adjusting disc 20, one end of the threaded column 25 penetrates through the arc-shaped sliding groove 24 in sequence and then penetrates through a lock washer 26 and a locking nut 27;

[0034] After the locking nut 27 is loosened, the pushing rod 19 can be rotated to a corresponding angle with the adjusting disc 20, and then the adjusting disc 20 is positioned on the fixed disc 21 through the locking nut 27;

[0035] The outer side wall of the fixing disc 21 is coplanar with the inner wall of the limiting groove 23, and the anti-loosening washer 26 is made of rubber material;

[0036] The limiting assembly comprises a limiting column 28 and a third return spring 29, one end of the limiting column 28 is provided with a hemispherical limiting boss 30, a second guide hole is formed in the side wall of the first fixing block 11, one end of the limiting column 28 penetrates through the second guide hole, the other end penetrates through a third guide hole 32 in a positioning block 31, the positioning block 31 is connected to the first fixing block 11 through an L-shaped mounting block 33, a limiting baffle 34 is arranged on the limiting column 28, and the third return spring 29 is arranged on the limiting column 28 and sleeved between the limiting baffle 34 and the positioning block 31;

[0037] When the limiting baffle 34 is attached to the first fixing block 11, one end of the limiting column 28 is located in the second guide hole, and the limiting boss 30 extends from the second guide hole to the opening groove 13 on the first fixing block 11;

[0038] When the fixing baffle 17 is not pushed by the pushing rod 19, the limiting boss 30 can prevent the sliding rod 15 from being separated from the opening groove 13;

[0039] The cross section of the sliding rod 15 is a rectangular structure;

[0040] The upper end surface of the first U-shaped pressing plate 8 is provided with a guide column 36, the second U-shaped pressing plate 9 is provided with a first guide hole 35, and the upper end of the guide column 36 penetrates through the first guide hole 35; when the first U-shaped pressing plate and the second U-shaped pressing plate 9 are relatively displaced, the second U-shaped pressing plate 9 moves along the guide column 36 in the vertical direction;

[0041] The probe on the first pad plate 3 and the probe 5 on the second pad plate 4 correspond one by one in the vertical direction;

[0042] The probes 5 are linearly and equidistantly distributed on the first pad plate 3;

[0043] The lifting assembly comprises a driving motor 37, the inside of the fixing column 2 is provided with a first guide groove, the side wall is provided with a second guide groove in communication with the first guide groove, the first guide groove and the second guide groove are respectively provided with a first guide block 38 and a second guide block 39, one end of the second guide block 39 is connected to the first guide block 38, the other end is connected to the vertical plate 6, the output end of the driving motor 37 is connected to a transmission screw rod, and the transmission screw rod penetrates through a threaded hole in the first guide block 38.

[0044] The driving motor 37 drives the transmission screw to rotate so that the first guide block 38 slides along the first guide groove, thereby driving the detection assembly to move in the vertical direction until the polyimide film to be detected is above the probe 5 on the second base plate 4. Then, the power cylinder 7 controls the second U-shaped pressing plate 9 to move downward in the vertical direction, and the push rod 19 gradually pushes the fixed stop block 17 to move, so that the sliding rod 15 slides along the opening groove 13 on the first fixed block 11 to the limiting boss 30, the sliding rod 15 pushes the limiting boss 30 into the second guide hole on the first fixed block 11, and the limiting column 28 moves along the third guide hole 32 on the positioning block 31, so that the third return spring 29 is compressed between the limiting stop piece 34 and the positioning block 31. When the sliding rod 15 is disengaged from the opening groove 13, the first U-shaped pressing plate 8 moves downward under the action of the first return spring 10 and stably presses the polyimide film to be detected on the second base plate 4. At this time, the polyimide film is on the top of the probe 5 on the second base plate 4, which is beneficial to improve the detection stability and can perform multi-point detection.

[0045] When it is necessary to adjust the pressing degree of the first U-shaped pressing plate 8 on the polyimide film, the adjusting disc 20 can be rotated to make the push rod 19 rotate with the adjusting disc 20 to the corresponding position, so that the push rod 19 can push the fixed stop block 17 to move by a displacement after the first U-shaped pressing plate 8 moves downward by a corresponding displacement, so that the sliding rod 15 can disengage from the opening groove 13. After the angle of the push rod 19 is adjusted, the adjusting disc 20 is positioned on the fixed disc 21 by the locking nut 27 to keep the position of the push rod 19 fixed.

[0046] The above content is only an example and description of the structure of the present application. Those skilled in the art can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, as long as they do not deviate from the structure of the present application or exceed the scope defined by the present claims, which shall belong to the protection scope of the present application.

Claims

1. A polyimide film transparency testing machine, comprising a base plate of the testing machine, wherein a fixed column is provided on the base plate of the testing machine, characterized in that: The fixed column is connected to the detection component via a lifting assembly. The detection component includes a first pad, a second pad, and a probe for detecting the transparency of the polyimide film. The probe is installed on both the first and second pads and is connected by a vertical plate. The clamping assembly includes a power cylinder, a first U-shaped pressure plate, and a second U-shaped pressure plate disposed above the first U-shaped pressure plate. The power cylinder is mounted on a first pad. Multiple first return springs are distributed between the first and second U-shaped pressure plates. First and second fixing blocks are respectively disposed on the side walls of the first and second U-shaped pressure plates. The first and second fixing blocks are respectively provided with an opening slot and a limiting slide groove. A sliding rod passes through the limiting slide groove. The upper end of the sliding rod is connected to a fixed baffle, and the lower end is connected to a fixed stop block. The fixed baffle and... A second return spring is sleeved on the sliding rod between the second fixed blocks. One end of the fixed stop extends out of the outer side of the first fixed block. The first U-shaped pressure plate and the second U-shaped pressure plate approach each other until the first return spring is in a compressed state. Then, the sliding rod is pushed to move downward until the upper end face of the fixed stop is lower than the lower end face of the first fixed block and the second return spring is in a compressed state. Then, the sliding rod is pushed to slide along the limiting slide groove until the sliding rod enters the opening groove from one end and the fixed stop presses against the first fixed block. When the power cylinder controls the second U-shaped pressure plate to move downward in the vertical direction, the pushing component pushes the fixed stop block to move until the sliding rod disengages from the opening groove. Then, the first U-shaped pressure plate moves downward and presses the polyimide film to be tested onto the second pad.

2. The polyimide film transparency testing machine according to claim 1, characterized in that: The pushing assembly includes a pushing rod, an adjusting plate, and a fixed plate. A fixed boss is provided on one side of the second pad. The pushing rod passes through the limiting groove on the fixed boss and is connected to the adjusting plate at its lower end. A fixed plate is provided on one side of the adjusting plate. An arc-shaped sliding groove is provided on the fixed plate and the fixed boss is connected to its upper end. A threaded post is connected to the adjusting plate. One end of the threaded post passes through the arc-shaped sliding groove and then passes through an anti-loosening washer and a locking nut in sequence.

3. The polyimide film transparency testing machine according to claim 2, characterized in that: The outer wall of the fixing plate is coplanar with the inner wall of the limiting groove, and the anti-loosening gasket is made of rubber material.

4. The polyimide film transparency testing machine according to claim 1, characterized in that: The device includes a limiting component, which comprises a limiting post and a third return spring. One end of the limiting post is provided with a hemispherical limiting boss. A second guide hole is provided on the side wall of the first fixing block. One end of the limiting post passes through the second guide hole, and the other end passes through the third guide hole on the positioning block. The positioning block is connected to the first fixing block through an L-shaped mounting block. A limiting baffle is provided on the limiting post, and a third return spring is sleeved on the limiting post between the limiting baffle and the positioning block.

5. The polyimide film transparency testing machine according to claim 4, characterized in that: When the limiting baffle is attached to the first fixing block, one end of the limiting post is located in the second guide hole and the limiting boss extends from the second guide hole to the opening groove on the first fixing block.

6. The polyimide film transparency testing machine according to claim 1, characterized in that: The cross-section of the sliding rod is rectangular.

7. The polyimide film transparency testing machine according to claim 1, characterized in that: The upper end face of the first U-shaped pressure plate is provided with a guide post, and the second U-shaped pressure plate is provided with a first guide hole, the upper end of the guide post passing through the first guide hole.

8. The polyimide film transparency testing machine according to claim 1, characterized in that: The probes on the first pad and the probes on the second pad are in a one-to-one correspondence along the vertical direction.

9. A polyimide film transparency testing machine according to claim 8, characterized in that: The probes are distributed linearly at equal intervals on the first pad.

10. A polyimide film transparency testing machine according to claim 1, characterized in that: The lifting assembly includes a drive motor. The interior of the fixed column is provided with a first guide groove, and the side wall is provided with a second guide groove that communicates with the first guide groove. A first guide block and a second guide block are respectively provided in the first guide groove and the second guide groove. One end of the second guide block is connected to the first guide block, and the other end is connected to the vertical plate. The output end of the drive motor is connected to a transmission screw, and the transmission screw passes through a threaded hole on the first guide block.

Images