Polyimide film transparency detector

Abstract

A polyimide film transparency detection machine comprises a detection machine bottom plate, a fixed stand column is arranged on the detection machine bottom plate, the fixed stand column is connected with a detection assembly through a lifting assembly, and the detection assembly comprises a first base plate, a second base plate and a probe used for detecting the transparency of a polyimide film. The first base plate and the second base plate are both provided with probes and are connected through a vertical plate; the pressing assembly comprises a power air cylinder, a first U-shaped pressing plate and a second U-shaped pressing plate arranged above the first U-shaped pressing plate, the power air cylinder is installed on the first base plate, a plurality of first reset springs are distributed between the first U-shaped pressing plate and the second U-shaped pressing plate, and a first fixing block and a second fixing block are arranged on the side wall of the first U-shaped pressing plate and the side wall of the second U-shaped pressing plate correspondingly. The first fixing block and the second fixing block are provided with an opening groove and a limiting sliding groove respectively. The transparency of the polyimide film can be detected, and the detection accuracy can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of polyimide films, and in particular to a polyimide film transparency detection machine. Background Art

[0002] Polyimide film is widely used in the field of flexible display and flexible thin film battery. After the polyimide film is produced, it needs to be tested for transparency. At present, it is not convenient for the detection device to perform detection processing according to the moving height of the film, which affects the detection efficiency. In addition, it is not convenient to stably lay the polyimide film to be detected on the probe during detection, which affects the stability of the detection and easily causes detection errors. Summary of the invention

[0003] The object of the present invention is to provide a polyimide film transparency detection machine, which can effectively solve the technical problems mentioned in the background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A polyimide film transparency tester, comprising a tester bottom plate, a fixed column arranged on the tester bottom plate, the fixed column connected to a tester assembly via a lifting assembly, the tester assembly comprising a first pad, a second pad and a probe for detecting the transparency of the polyimide film, the first pad and the second pad both being provided with probes and connected via a vertical plate; The clamping assembly includes a power cylinder, a first U-shaped pressure plate and a second U-shaped pressure plate arranged above the first U-shaped pressure plate, the power cylinder is installed on the first pad, a plurality of first return springs are distributed between the first U-shaped pressure plate and the second U-shaped pressure plate, a first fixing block and a second fixing block are respectively arranged on the side walls of the first U-shaped pressure plate and the second U-shaped pressure plate, an opening groove and a limiting slide groove are respectively opened on the first fixing block and the second fixing block, a sliding rod is passed 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 baffle, the fixed baffle and A second return spring sleeved on the sliding rod is provided between the second fixed block, one end of the fixed block extends out of the outside of the first fixed block, and 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, pushing the sliding rod 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 a compressed state, pushing the sliding rod to slide along the limiting sliding groove until the sliding rod enters the open groove from one end of the open groove and the fixed block is pressed onto the first fixed block; When the power cylinder controls the second U-shaped pressure plate to move downward in the vertical direction, the pushing assembly pushes the fixed stopper to move until the sliding rod is disengaged from the opening groove, and then the first U-shaped pressure plate moves downward and presses the polyimide film to be tested onto the second pad.

[0005] Preferably, the pushing assembly includes a pushing rod, an adjusting disk and a fixed disk, 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 the lower end is connected to the adjusting disk, a fixed disk is provided on one side of the adjusting disk, an arc-shaped slide groove is opened on the fixed disk, and the upper end is connected to the fixed boss, a threaded column is connected to the adjusting disk, and one end of the threaded column passes through the arc-shaped slide groove and then passes through an anti-loosening gasket and a locking nut in sequence.

[0006] Preferably, the outer side 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.

[0007] Preferably, it includes a limit assembly, which includes a limit column and a third return spring, one end of the limit column is provided with a hemispherical limit boss, a second guide hole is opened on the side wall of the first fixed block, one end of the limit column is passed 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 fixed block through an L-shaped mounting block, a limit block is provided on the limit column, and a third return spring mounted on the limit column is provided between the limit block and the positioning block.

[0008] Preferably, when the limiting baffle is attached to the first fixing block, one end of the limiting column is located in the second guide hole and the limiting boss extends from the second guide hole to the open groove on the first fixing block.

[0009] Preferably, the cross section of the sliding rod is a rectangular structure.

[0010] Preferably, a guide column is disposed on the upper end surface of the first U-shaped pressing plate, a first guide hole is opened on the second U-shaped pressing plate, and the upper end of the guide column passes through the first guide hole.

[0011] Preferably, the probes on the first pad and the probes on the second pad correspond one to one along the vertical direction.

[0012] Preferably, the probes are distributed on the first pad at linear equal intervals.

[0013] The lifting assembly includes a driving motor, a first guide groove is opened inside the fixed column, a second guide groove connected to the first guide groove is opened on the side wall, 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 to the first guide block, and the other end is connected to the vertical plate, the output end of the driving motor is connected to the transmission screw, and the transmission screw passes through the threaded hole on the first guide block.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The driving motor drives the transmission screw to rotate so that the first guide block 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 located above the probe on the second pad. After that, the power cylinder controls the second U-shaped pressure plate to move downward in the vertical direction, and the pushing rod gradually pushes the fixed stop block to move, so that when 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 column moves along the third guide hole on the positioning block, so that the third return spring is compressed between the limiting stop plate and the positioning block. When the sliding rod is disengaged from the opening groove, under the action of the first return spring, the first U-shaped pressure plate moves downward and stably presses the polyimide film to be detected onto the second pad. At this time, the polyimide film is located on the top of the probe on the second pad, which is conducive to improving the detection stability and can perform multi-point detection. When it is necessary to adjust the pressing degree of the first U-shaped pressure plate on the polyimide film, the adjusting disk can be rotated so that the push rod rotates to the corresponding position with the adjusting disk to ensure that after the first U-shaped pressure plate moves downward by a corresponding displacement, the push rod just pushes the fixed stop block to move to satisfy the sliding rod to disengage from the opening groove. After the angle of the push rod is adjusted, the adjusting disk is positioned on the fixed disk by the locking nut to keep the position of the push rod fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a polyimide film transparency detection machine according to an embodiment of the present invention; Figure 2 yes Figure 1 A is a partial enlarged schematic diagram; Figure 3 is a schematic structural diagram of a clamping assembly in an embodiment of the present invention; Figure 4 is a schematic diagram of the installation of the probe in an embodiment of the present invention; Figure 5 is a schematic diagram of a pushing component from a first perspective in an embodiment of the present invention; Figure 6 is a schematic diagram of a pushing component from a second viewing angle in an embodiment of the present invention; Figure 7 is a schematic structural diagram of a position limiting assembly in an embodiment of the present invention; In the figure, 1, the bottom plate of the detection machine, 2, the fixed column, 3, the first pad, 4, the second pad, 5, the probe, 6, the vertical plate, 7, the power cylinder, 8, the first U-shaped pressure plate, 9, the second U-shaped pressure plate, 10, the first return spring, 11, the first fixed block, 12, the second fixed block, 13, the opening groove, 14, the limit slide groove, 15, the sliding rod, 16, the fixed baffle, 17, the fixed baffle, 18, the second return spring, 19, the push rod, 20, the adjustment Disk, 21, fixed disk, 22, fixed boss, 23, limiting groove, 24, arc-shaped slide groove, 25, threaded column, 26, anti-loosening gasket, 27, locking nut, 28, limiting column, 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, drive motor, 38, first guide block, 39, second guide block. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-7 As shown, a polyimide film transparency testing machine comprises a testing machine bottom plate 1, a fixed column 2 is arranged on the testing machine bottom plate 1, the fixed column 2 is connected to a testing component through a lifting component, the testing component comprises a first pad 3, a second pad 4 and a probe 5 for detecting the transparency of the polyimide film, the first pad 3 and the second pad 4 are both equipped with the probe 5 and are connected through a vertical plate 6; The clamping assembly includes a power cylinder 7, a first U-shaped pressure plate 8 and a second U-shaped pressure plate 9 arranged above the first U-shaped pressure plate 8, the power cylinder 7 is installed on the first pad 3, a plurality of first return springs 10 are distributed between the first U-shaped pressure plate 8 and the second U-shaped pressure plate 9, the side walls of the first U-shaped pressure plate 8 and the second U-shaped pressure plate 9 are respectively provided with a first fixed block 11 and a second fixed block 12, the first fixed block 11 and the second fixed block 12 are respectively provided with an opening groove 13 and a limiting slide groove 14, a sliding rod 15 is penetrated in the limiting slide groove 14, the upper end of the sliding rod 15 is connected to a fixed baffle 16, and the lower end is connected to a fixed baffle 17, the fixed baffle 16 and A second return spring 18 sleeved on the sliding rod 15 is provided between the second fixed block 12, one end of the fixed stopper 17 extends out of the outside of the first fixed block 11, and the first U-shaped pressure plate 8 and the second U-shaped pressure plate 9 approach each other until the first return spring 10 is in a compressed state, pushing the sliding rod 15 to move downward until the upper end surface of the fixed stopper 17 is lower than the lower end surface of the first fixed block 11 and the second return spring 18 is in a compressed state, pushing the sliding rod 15 to slide along the limiting slide groove 14 until the sliding rod 15 enters the open groove 13 from one end opening of the open groove 13 and the fixed stopper 17 is pressed onto the first fixed block 11; 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 stopper 17 to move until the sliding rod 15 is separated from the opening groove 13, and then the first U-shaped pressing plate 8 moves downward and presses the polyimide film to be tested onto the second pad 4; The push rod 19 is arranged in an inclined state. When the fixed stopper 17 moves downward along with the second U-shaped pressing plate 9, after the push rod 19 contacts the fixed stopper 17, the push rod 19 starts to push the fixed stopper 17 to move along the opening groove 13; The pushing assembly includes a pushing rod 19, an adjusting disk 20 and a fixing disk 21, a fixing boss 22 is provided on one side of the second pad 4, the pushing rod 19 passes through the limiting groove 23 on the fixing boss 22, and the lower end is connected to the adjusting disk 20, a fixing disk 21 is provided on one side of the adjusting disk 20, an arc-shaped slide groove 24 is provided on the fixing disk 21, and the upper end is connected to the fixing boss 22, a threaded column 25 is connected to the adjusting disk 20, and one end of the threaded column 25 passes through the arc-shaped slide groove 24 and then passes through the anti-loosening gasket 26 and the locking nut 27 in sequence; After loosening the locking nut 27, the push rod 19 can be rotated to a corresponding angle along with the adjusting disk 20, and then the adjusting disk 20 is positioned on the fixed disk 21 through the locking nut 27; The outer wall of the fixing plate 21 is coplanar with the inner wall of the limiting groove 23, and the anti-loosening gasket 26 is made of rubber material; The limiting assembly includes a limiting column 28 and a third return spring 29. A hemispherical limiting boss 30 is provided at one end of the limiting column 28. A second guide hole is provided on the side wall of the first fixing block 11. One end of the limiting column 28 is passed through the second guide hole, and the other end passes through a third guide hole 32 on 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 stopper 34 is provided on the limiting column 28. A third return spring 29 sleeved on the limiting column 28 is provided between the limiting stopper 34 and the positioning block 31. When the limiting block 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; When the fixed stopper 17 is not pushed by the push rod 19, the limiting boss 30 can prevent the sliding rod 15 from leaving the opening groove 13; The cross section of the sliding rod 15 is a rectangular structure; The upper end surface of the first U-shaped pressing plate 8 is provided with a guide column 36, and the second U-shaped pressing plate 9 is provided with a first guide hole 35, and the upper end of the guide column 36 passes 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 in the vertical direction along the guide column 36; The probe on the first pad 3 and the probe 5 on the second pad 4 correspond one to one along the vertical direction; The probes 5 are distributed on the first pad 3 at linear equal intervals; The lifting assembly includes a driving motor 37, a first guide groove is opened inside the fixed column 2, and a second guide groove connected to the first guide groove is opened on the side wall, and a first guide block 38 and a second guide block 39 are respectively arranged in the first guide groove and the second guide groove, one end of the second guide block 39 is connected to the first guide block 38, and the other end is connected to the vertical plate 6, the output end of the driving motor 37 is connected to the transmission screw, and the transmission screw passes through the threaded hole on the first guide block 38.

[0018] 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 located above the probe 5 on the second pad 4. After that, the power cylinder 7 controls the second U-shaped pressure plate 9 to move downward in the vertical direction, and the push rod 19 gradually pushes the fixed stopper 17 to move, so that when 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 first fixed block The first U-shaped pressing plate 8 moves downwardly and the polyimide film to be detected is stably pressed against the second pad 4 by the first return spring 10. At this time, the polyimide film is located on the top of the probe 5 on the second pad 4, which is conducive to improving the detection stability and can perform multi-point detection. When it is necessary to adjust the pressing degree of the first U-shaped pressure plate 8 on the polyimide film, the adjusting disk 20 can be rotated so that the push rod 19 rotates to the corresponding position along with the adjusting disk 20 to ensure that after the first U-shaped pressure plate 8 moves downward by a corresponding displacement, the push rod 19 just pushes the fixed stop block 17 to move to a displacement that can satisfy the sliding rod 15 to disengage from the opening groove 13. After the angle of the push rod 19 is adjusted, the adjusting disk 20 is positioned on the fixed disk 21 by the locking nut 27 to keep the position of the push rod 19 fixed.

[0019] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A polyimide film transparency testing machine, comprising a testing machine bottom plate, on which a fixed column is arranged, characterized in that: The fixed column is connected to the detection assembly through a lifting assembly, and the detection assembly includes a first pad, a second pad, and a probe for detecting the transparency of the polyimide film, and the first pad and the second pad are both equipped with probes and connected through a vertical plate; The clamping assembly includes a power cylinder, a first U-shaped pressure plate and a second U-shaped pressure plate arranged above the first U-shaped pressure plate, the power cylinder is installed on the first pad, a plurality of first return springs are distributed between the first U-shaped pressure plate and the second U-shaped pressure plate, a first fixing block and a second fixing block are respectively arranged on the side walls of the first U-shaped pressure plate and the second U-shaped pressure plate, an opening groove and a limiting slide groove are respectively opened on the first fixing block and the second fixing block, a sliding rod is passed 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 baffle, the fixed baffle and A second return spring sleeved on the sliding rod is provided between the second fixed block, one end of the fixed block extends out of the outside of the first fixed block, and 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, pushing the sliding rod 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 a compressed state, pushing the sliding rod to slide along the limiting sliding groove until the sliding rod enters the open groove from one end of the open groove and the fixed block is pressed onto the first fixed block; When the power cylinder controls the second U-shaped pressure plate to move downward in the vertical direction, the pushing assembly pushes the fixed stopper to move until the sliding rod is disengaged from the opening groove, and then the first U-shaped pressure plate moves downward and presses the polyimide film to be tested onto the second pad.

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

3. A polyimide film transparency testing machine according to claim 2, characterized in that: The outer side 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 invention comprises a limit assembly, wherein the limit assembly comprises a limit column and a third return spring, a hemispherical limit boss is arranged at one end of the limit column, a second guide hole is opened on the side wall of the first fixed block, one end of the limit column is passed 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 fixed block through an L-shaped mounting block, a limit block is arranged on the limit column, and a third return spring sleeved on the limit column is arranged between the limit block 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 column is located in the second guide hole and the limiting boss extends from the second guide hole to the open 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 a rectangular structure.

7. The polyimide film transparency testing machine according to claim 1, characterized in that: A guide column is disposed on the upper end surface of the first U-shaped pressing plate, a first guide hole is opened on the second U-shaped pressing plate, and the upper end of the guide column passes 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 correspond one to one along the vertical direction.

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

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

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