A vehicle-mounted touch screen display panel production device

Abstract

The present invention belongs to the technical field of display panels, and in particular, is a vehicle-mounted touch screen display panel production device, including a bottom plate, a longitudinal movement component and a fixing component are arranged on the bottom plate, a mounting groove is provided at the bottom end of a column, a pair of positioning rings are arranged in the mounting groove, pressure sensors are embedded on opposite sides of the two positioning rings, an intermediate plate is also arranged in the mounting groove, a touch rod with a bottom end extending from the column is fixed on the intermediate plate, the pressure sensor is electrically connected to a controller, and the controller is electrically connected to a warning light. In the present invention, if the height of a protrusion at a certain point of the screen is greater than the maximum allowable protrusion range, the intermediate plate will contact the upper positioning ring, and if the depth of a depression at a certain point of the screen is greater than the maximum allowable depression range, the intermediate plate will contact the lower positioning ring, and the pressure sensor will detect a pressure signal, which will then be reflected to the warning light through the controller, and the warning light will light up, thereby effectively improving the quality inspection efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of display panels, and in particular to a vehicle-mounted touch screen display panel production device. Background Art

[0002] During the production process of current in-vehicle touch screen display panels, it is usually necessary to test their flatness. If the flatness reaches the standard value, the panel production quality is qualified, otherwise it is unqualified and the unqualified panel needs to be sent back for re-production.

[0003] In order to solve the problem that "the existing devices for detecting the flatness of the panel are generally complex in structure", a Chinese patent with publication number CN208140051U discloses a vehicle-mounted touch screen display panel production device, including a base, a guide tube is fixed on the top of the base, and a first hydraulic cylinder is provided on the inner side of the first hydraulic cylinder, a lifting plate is fixed to the piston rod of the first hydraulic cylinder, and the lifting plate is slidably sleeved inside the guide tube, a second hydraulic cylinder is fixed to one side of the lifting plate, and the piston rod of the second hydraulic cylinder is fixed to a vertical position with respect to the lifting plate. A U-shaped connecting rod, mounting plates are fixed at both ends of the U-shaped connecting rod, and the mounting plate is located on the side of the lifting plate away from the second hydraulic cylinder. A detection structure is provided below the bottom of the mounting plate, and the detection structure includes a hollow mounting block fixedly connected to the bottom of the mounting plate, a guide block is slidably sleeved on the inner side of the hollow mounting block, and a touch rod is fixed to the bottom of the guide block. A mounting box is fixed on the side of the mounting plate away from the guide tube, and a laser rangefinder body is fixed on the top inner wall of the mounting box. A movable plate is provided below the laser rangefinder body, and the movable plate is fixed to one side of the guide block. Although the existing technical problems have been solved, the following problems still exist:

[0004] In this technical solution, the flatness of the touch screen surface is measured by the laser ranging body. Therefore, staff are required to analyze and view the test results to determine whether the tested touch screen is qualified, which affects the overall quality inspection efficiency. Summary of the invention

[0005] Based on the technical problems existing in the prior art, the present invention proposes a vehicle-mounted touch screen display panel production device.

[0006] The present invention proposes a vehicle-mounted touch screen display panel production device, including a bottom plate, wherein a longitudinal movement component and a fixing component are arranged on the bottom plate, the longitudinal movement component is connected to the transverse movement component, the transverse movement component is connected to a cross bar, a plurality of evenly distributed column rods are fixed to the bottom of the cross bar, a mounting groove is provided at the bottom end of the column rod, a pair of vertically distributed positioning rings are arranged in the mounting groove, pressure sensors are embedded on opposite sides of the two positioning rings, an intermediate plate between the two positioning rings is also arranged in the mounting groove, a touch rod with a bottom end passing through the column rod is fixed on the intermediate plate, the pressure sensor is electrically connected to a controller, the controller is electrically connected to a warning light, the touch screen to be detected is fixed by the fixing component, the position of the upper positioning ring indicates the maximum protrusion range allowed on the touch screen surface, the position of the lower positioning ring indicates the maximum depression range allowed on the touch screen surface, and the pressure sensor is electrically connected to the controller, the controller is electrically connected to the warning light, the touch screen to be detected is fixed by the fixing component, the position of the upper positioning ring indicates the maximum protrusion range allowed on the touch screen surface, and the position of the lower positioning ring indicates the maximum depression range allowed on the touch screen surface. The longitudinal movement component adjusts the initial height of the cross bar until the middle plate is located exactly in the middle of the two positioning rings when the bottom end of the touch rod touches the smooth position of the touch screen surface, and then the cross bar and multiple touch rods are driven to move along the length direction of the screen through the transverse movement component. If the protrusion height at a certain point on the screen is greater than the maximum allowable protrusion range, the middle plate will contact the upper positioning ring, and the pressure sensor will detect the pressure signal, which will then be reflected to the warning light through the controller, and the warning light will light up. If the depression depth at a certain point on the screen is greater than the maximum allowable depression range, the middle plate will contact the lower positioning ring, and the pressure sensor will detect the pressure signal, which will then be reflected to the warning light through the controller, and the warning light will light up. As long as the warning light is not on, it means that the touch screen being tested is qualified, otherwise it is unqualified, thereby effectively improving the quality inspection efficiency.

[0007] Preferably, the longitudinal movement assembly includes a positioning sleeve fixed on the top of the base plate, an extension rod is inserted at the top of the positioning sleeve, an ear plate is fixed on the outside of the extension rod, an electric push rod is fixed on the top of the base plate, the output shaft of the electric push rod is connected to the ear plate, the warning light and the controller are fixed on the side of the positioning sleeve, the electric push rod is started, the output shaft of the electric push rod drives the ear plate and the extension rod to move upward or downward, and the extension rod will synchronously drive the transverse movement assembly and the cross bar to move, thereby adjusting the initial height of the cross bar.

[0008] Preferably, the transverse movement assembly includes a U-shaped slide, and sliding openings are provided on both sides of the extension rod. The slide is slidably connected to the extension rod through the sliding opening. The extension rod is rotatably connected with a transverse screw that is threadedly connected to the slide. A motor is fixed to the side of the extension rod, and the motor output shaft is connected to the screw. The cross bar is connected to the end of the slide. The motor is started, and the motor output shaft drives the screw to rotate, and then the screw drives the slide to move along the sliding opening, and then the slide can drive the cross bar to move laterally.

[0009] Preferably, the fixing assembly includes two clamping plates, a movable groove is provided on the top of the bottom plate, a pair of movable blocks are slidably connected in the movable groove, the clamping plates are fixed to the tops of the corresponding movable blocks, a two-way stud is rotatably connected in the movable groove, the two-way stud is threadedly connected to the two movable blocks, the touch screen is placed between the two clamping plates, and then the two-way stud is rotated to drive the two groups of movable blocks and the clamping plates to move closer to each other until the touch screen is clamped and fixed.

[0010] Preferably, a slot is provided on the top of the bottom plate, which is located between the two clamping plates and near one end of the cross bar. A pad that can stay at any height is inserted in the slot. After the touch screen is fixed, the pad is moved up and down along the direction of the slot until the surface of the pad is flush with the surface of the screen. When the cross bar is reset to its initial position after the detection is completed, the bottom end of the touch rod will fall on the pad, so that the middle plate will not contact any positioning ring, thereby not triggering the warning light to light up.

[0011] Preferably, a slide groove is provided on one side of the cross bar close to the slide, and sliders are fixed at both ends of the slide. The sliders are slidably connected to the cross bar through the slide groove, and a transmission mechanism is provided between the screw rod and the cross bar. The cross bar can move back and forth under the action of the transmission mechanism, so that multiple touch rods will also move with the cross bar. In this way, all areas of the touch screen surface can be covered by a limited number of touch rods, thereby improving the detection accuracy.

[0012] Preferably, the transmission mechanism is composed of a synchronous component and a linkage component, the synchronous component includes a fixed seat fixed on the side of the slide, the fixed seat is rotatably connected to a shaft column, the shaft column and the end of the screw away from the motor are respectively fixedly sleeved with a first pulley and a second pulley, the first pulley and the second pulley are connected by a belt, when the screw rotates, it will synchronously drive the second pulley to rotate, and then the second pulley will drive the first pulley and the shaft column to rotate through the belt, and then the shaft column will drive the cross bar to move forward and backward through the linkage component.

[0013] Preferably, the linkage assembly includes a cam fixedly sleeved on the end of the shaft column, a fixed column abutting the cam is fixed on the side of the cross bar close to the cam, a second spring is fixed to the inner wall of one end of the slide groove, and the other end of the second spring is fixedly connected to the adjacent slider. When the shaft column rotates, the cam is synchronously driven to rotate, and the cam will periodically push the fixed column, and with the cooperation of the second spring, the cross bar will move back and forth.

[0014] Preferably, the linkage assembly includes a disc fixedly mounted on the shaft column, a first shaft rod is fixed at the edge of one side of the disc close to the cross bar, a second shaft rod is fixed on the cross bar, and a connecting rod is connected between the first shaft rod and the second shaft rod for common rotation. When the shaft column rotates, the first shaft rod is driven to rotate synchronously, and then the first shaft rod pulls the second shaft rod through the connecting rod, thereby causing the cross bar to move forward and backward.

[0015] Preferably, a first spring is fixed on the opposite sides of the two positioning rings, and the other ends of the first spring are respectively fixed to the inner walls at both ends of the mounting groove, so that when the protrusion height at a certain point of the screen is greater than the maximum allowable protrusion range, the positioning ring can move after the middle plate contacts the positioning ring, thereby preventing the touch rod from crushing the touch screen.

[0016] Compared with the prior art, the present invention provides a vehicle-mounted touch screen display panel production device, which has the following beneficial effects:

[0017] 1. A vehicle-mounted touch screen display panel production device, by setting a positioning ring, if the protrusion height at a certain point of the screen is greater than the maximum allowable protrusion range, the middle plate will contact the upper positioning ring, if the depression depth at a certain point of the screen is greater than the maximum allowable depression range, the middle plate will contact the lower positioning ring, the pressure sensor will detect the pressure signal, and then it will be reflected to the warning light through the controller, the warning light will light up, as long as the warning light is not on, it means that the tested touch screen is qualified, otherwise it is unqualified, thereby effectively improving the quality inspection efficiency.

[0018] 2. A vehicle-mounted touch screen display panel production device, which sets a pad block. After the touch screen is fixed, the pad block is moved up and down along the direction of the slot until the surface of the pad block is flush with the surface of the screen. In this way, when the cross bar is reset to the initial position after the detection is completed, the bottom end of the touch rod will fall on the pad block, so that the middle plate will not contact any positioning ring, thereby not triggering the warning light to light up.

[0019] 3. A vehicle-mounted touch screen display panel production device, which is equipped with a movable cross bar, which can move forward and backward under the action of a transmission mechanism, so that multiple touch rods will also move with the cross bar. In this way, all areas of the touch screen surface can be covered by a limited number of touch rods, thereby improving the detection accuracy.

[0020] 4. A vehicle-mounted touch screen display panel production device, by setting a first spring, so that when the protrusion height at a certain point of the screen is greater than the maximum allowable protrusion range, the positioning ring can move after the middle plate contacts the positioning ring, thereby preventing the touch rod from crushing the touch screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure from a first angle of a vehicle-mounted touch screen display panel production device proposed by the present invention;

[0022] Figure 2 This is a second angle structural schematic diagram of a vehicle-mounted touch screen display panel production device proposed by the present invention;

[0023] Figure 3This is a schematic diagram of a touch rod installation structure of a vehicle-mounted touch screen display panel production device proposed by the present invention;

[0024] Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure at point A;

[0025] Figure 5 This is a schematic diagram of the installation structure between the longitudinal movement component and the transverse movement component of a vehicle-mounted touch screen display panel production device proposed by the present invention;

[0026] Figure 6 A schematic diagram of the installation structure between an extension rod and a slide frame of a vehicle-mounted touch screen display panel production device proposed by the present invention;

[0027] Figure 7 For the present invention Figure 5 A schematic diagram of the enlarged structure at B;

[0028] Figure 8 A schematic diagram of a disc installation structure of a vehicle-mounted touch screen display panel production device proposed by the present invention;

[0029] Fig. 9 For the present invention Figure 8 Enlarged structural diagram at C.

[0030] In the figure: 1. base plate; 2. cross bar; 3. column; 4. mounting groove; 5. positioning ring; 6. pressure sensor; 7. middle plate; 8. touch rod; 9. controller; 10. warning light; 11. first spring; 12. positioning sleeve; 13. extension rod; 14. ear plate; 15. electric push rod; 16. slide; 17. slide; 18. motor; 19. screw; 20. movable groove; 21. movable block; 22. splint; 23. two-way stud; 24. pad; 25. slide; 26. slider; 27. fixed seat; 28. shaft column; 29. ​​first pulley; 30. second pulley; 31. belt; 32. cam; 33. fixed column; 34. second spring; 35. disc; 36. first shaft rod; 37. connecting rod; 38. second shaft rod. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] Reference Figure 1-9 A vehicle-mounted touch screen display panel production device comprises a bottom plate 1, on which a longitudinal movement component and a fixing component are arranged, the longitudinal movement component is connected to a transverse movement component, a cross bar 2 is connected to the transverse movement component, a plurality of evenly distributed pillars 3 are fixed to the bottom of the cross bar 2, a mounting groove 4 is provided at the bottom end of the pillar 3, a pair of upper and lower distributed positioning rings 5 ​​are arranged in the mounting groove 4, pressure sensors 6 are embedded on opposite sides of the two positioning rings 5, an intermediate plate 7 is also arranged in the mounting groove 4 between the two positioning rings 5, a touch rod 8 with a bottom end penetrating from the pillar 3 is fixed on the intermediate plate 7, the pressure sensor 6 is electrically connected to a controller 9, and the controller 9 is electrically connected to a warning light 10, the touch screen to be detected is fixed by the fixing component, the position of the upper positioning ring 5 indicates the maximum convex range allowed on the touch screen surface, the position of the lower positioning ring 5 indicates the maximum concave range allowed on the touch screen surface, and the pressure sensor 6 is electrically connected to the controller 9. The component adjusts the initial height of the cross bar 2 until the middle plate 7 is located exactly in the middle of the two positioning rings 5 ​​when the bottom end of the touch rod 8 contacts the smooth position of the touch screen surface, and then the cross bar 2 and multiple touch rods 8 are driven to move along the length direction of the screen through the lateral movement component. If the height of the protrusion at a certain point on the screen is greater than the maximum allowable protrusion range, the middle plate 7 will contact the upper positioning ring 5, and the pressure sensor 6 will detect the pressure signal, which will then be reflected to the warning light 10 through the controller 9, and the warning light 10 will light up. If the depth of the depression at a certain point on the screen is greater than the maximum allowable depression range, the middle plate 7 will contact the lower positioning ring 5, and the pressure sensor 6 will detect the pressure signal, which will then be reflected to the warning light 10 through the controller 9, and the warning light 10 will light up. As long as the warning light 10 is not on, it means that the tested touch screen is qualified, otherwise it is unqualified, thereby effectively improving the quality inspection efficiency.

[0034] Among them, the longitudinal movement assembly includes a positioning sleeve 12 fixed on the top of the base plate 1, an extension rod 13 is inserted at the top of the positioning sleeve 12, an ear plate 14 is fixed on the outside of the extension rod 13, an electric push rod 15 is fixed on the top of the base plate 1, the output shaft of the electric push rod 15 is connected to the ear plate 14, the warning light 10 and the controller 9 are both fixed on the side of the positioning sleeve 12, the electric push rod 15 is started, and the output shaft of the electric push rod 15 drives the ear plate 14 and the extension rod 13 to move upward or downward, and the extension rod 13 will synchronously drive the transverse movement assembly and the cross bar 2 to move, thereby adjusting the initial height of the cross bar 2.

[0035] Among them, the transverse movement assembly includes a U-shaped slide 17, and slide openings 16 are opened on both sides of the extension rod 13. The slide 17 is slidably connected to the extension rod 13 through the slide opening 16. The extension rod 13 is rotatably connected with a transverse screw 19 that is threadedly connected to the slide 17. A motor 18 is fixed to the side of the extension rod 13, and the output shaft of the motor 18 is connected to the screw 19. The cross bar 2 is connected to the end of the slide 17. Start the motor 18, and the output shaft of the motor 18 drives the screw 19 to rotate, and then the screw 19 drives the slide 17 to move along the slide opening 16, and then the slide 17 can drive the cross bar 2 to move laterally.

[0036] The fixing assembly includes two clamping plates 22, a movable groove 20 is provided on the top of the bottom plate 1, a pair of movable blocks 21 are slidably connected in the movable groove 20, the clamping plates 22 are fixed on the top of the corresponding movable blocks 21, a bidirectional stud 23 is rotatably connected in the movable groove 20, the bidirectional stud 23 and the two movable blocks 21 are threadedly connected, the touch screen is placed between the two clamping plates 22, and then the bidirectional stud 23 is rotated to drive the two groups of movable blocks 21 and the clamping plates 22 to move closer to each other until the touch screen is clamped and fixed.

[0037] Furthermore, a slot is provided on the top of the base plate 1 where two clamping plates 22 are located near one end of the cross bar 2, and a pad 24 that can stay at any height is inserted in the slot. After the touch screen is fixed, the pad 24 is moved up and down along the direction of the slot until the surface of the pad 24 is flush with the surface of the screen. In this way, when the cross bar 2 is reset to its initial position after the detection is completed, the bottom end of the touch rod 8 will fall on the pad 24, so that the intermediate disk 7 will not contact any positioning ring 5, thereby not triggering the warning light 10 to light up.

[0038] Furthermore, a slide groove 25 is provided on one side of the cross bar 2 close to the slide 17, and sliders 26 are fixed at both ends of the slide 17. The slider 26 forms a sliding connection with the cross bar 2 through the slide groove 25. A transmission mechanism is provided between the screw 19 and the cross bar 2. The cross bar 2 can move back and forth under the action of the transmission mechanism, so that the multiple touch rods 8 will also move with the cross bar 2. In this way, all areas of the touch screen surface can be covered by a limited number of touch rods 8, thereby improving the detection accuracy.

[0039] Among them, the transmission mechanism is composed of a synchronous component and a linkage component. The synchronous component includes a fixed seat 27 fixed on the side of the slide 17, and a shaft column 28 is rotatably connected to the fixed seat 27. The shaft column 28 and the end of the screw 19 away from the motor 18 are respectively fixedly sleeved with a first pulley 29 and a second pulley 30. The first pulley 29 and the second pulley 30 are connected by a belt 31. When the screw 19 rotates, it will synchronously drive the second pulley 30 to rotate, and then the second pulley 30 will drive the first pulley 29 and the shaft column 28 to rotate through the belt 31, and then the shaft column 28 will drive the cross bar 2 to move forward and backward through the linkage component.

[0040] In Example 1, the linkage assembly includes a cam 32 fixedly sleeved on the end of the shaft column 28, a fixed column 33 abutting against the cam 32 is fixed on the side of the cross bar 2 close to the cam 32, a second spring 34 is fixed to the inner wall of one end of the slide groove 25, and the other end of the second spring 34 is fixedly connected to the adjacent slider 26. When the shaft column 28 rotates, the cam 32 is synchronously driven to rotate, and the cam 32 will periodically push the fixed column 33, and with the cooperation of the second spring 34, the cross bar 2 moves back and forth.

[0041] In Example 2, the linkage assembly includes a disk 35 fixedly mounted on the shaft column 28, a first shaft rod 36 is fixed at the edge of one side of the disk 35 close to the cross bar 2, a second shaft rod 38 is fixed on the cross bar 2, and a connecting rod 37 is connected between the first shaft rod 36 and the second shaft rod 38 for common rotation. When the shaft column 28 rotates, the first shaft rod 36 is synchronously driven to rotate, and then the first shaft rod 36 will pull the second shaft rod 38 through the connecting rod 37, thereby causing the cross bar 2 to move forward and backward.

[0042] Furthermore, a first spring 11 is fixed on the opposite sides of the two positioning rings 5, and the other ends of the first spring 11 are respectively fixed to the inner walls at both ends of the mounting groove 4, so that when the protrusion height at a certain point of the screen is greater than the maximum allowable protrusion range, the positioning ring 5 can move after the middle plate 7 contacts the positioning ring 5, thereby preventing the touch rod 8 from damaging the touch screen.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A vehicle-mounted touch screen display panel production device, comprising a base plate (1), characterized in that: The base plate (1) is provided with a longitudinal movement component and a fixed component, the longitudinal movement component is connected to the transverse movement component, the transverse movement component is connected to a cross bar (2), a plurality of evenly distributed column rods (3) are fixed to the bottom of the cross bar (2), a mounting groove (4) is provided at the bottom end of the column rod (3), a pair of vertically distributed positioning rings (5) are provided in the mounting groove (4), the two positioning rings (5) are embedded with pressure sensors (6) on opposite sides, an intermediate disk (7) located between the two positioning rings (5) is also provided in the mounting groove (4), a touch rod (8) whose bottom end passes through the column rod (3) is fixed to the intermediate disk (7), the pressure sensor (6) is electrically connected to a controller (9), and the controller (9) is electrically connected to a warning light (10); The longitudinal movement assembly comprises a positioning sleeve (12) fixed on the top of the base plate (1), an extension rod (13) is inserted into the top of the positioning sleeve (12), an ear plate (14) is fixed to the outside of the extension rod (13), an electric push rod (15) is fixed to the top of the base plate (1), an output shaft of the electric push rod (15) is connected to the ear plate (14), and a warning light (10) and a controller (9) are both fixed to the side of the positioning sleeve (12); The transverse movement assembly comprises a U-shaped slide (17), both sides of the extension rod (13) are provided with sliding openings (16), the slide (17) is slidably connected to the extension rod (13) through the sliding openings (16), a transverse screw (19) is rotatably connected to the extension rod (13) and is threadedly connected to the slide (17), a motor (18) is fixed to the side of the extension rod (13), an output shaft of the motor (18) is connected to the screw (19), and a cross bar (2) is connected to the end of the slide (17); A slide groove (25) is provided on one side of the cross bar (2) close to the slide frame (17), and sliders (26) are fixed to both ends of the slide frame (17). The sliders (26) are slidably connected to the cross bar (2) through the slide grooves (25). A transmission mechanism is provided between the screw rod (19) and the cross bar (2), and the cross bar (2) can move forward and backward under the action of the transmission mechanism. The transmission mechanism is composed of a synchronous component and a linkage component, wherein the synchronous component comprises a fixed seat (27) fixed to the side of the slide (17), a shaft column (28) being rotatably connected to the fixed seat (27), a first belt pulley (29) and a second belt pulley (30) being fixedly sleeved on the shaft column (28) and the end of the screw rod (19) away from the motor (18), respectively, and the first belt pulley (29) and the second belt pulley (30) are connected via a belt (31); The linkage assembly comprises a cam (32) fixedly sleeved on the end of the shaft column (28); a fixing column (33) abutting against the cam (32) is fixed on the side of the cross bar (2) close to the cam (32); a second spring (34) is fixed on the inner wall of one end of the slide groove (25); and the other end of the second spring (34) is fixedly connected to an adjacent slider (26); Or the linkage assembly comprises a disk (35) fixedly sleeved on the shaft column (28), a first shaft rod (36) being fixed at an edge of a side of the disk (35) close to the cross bar (2), a second shaft rod (38) being fixed on the cross bar (2), and a connecting rod (37) being connected between the first shaft rod (36) and the second shaft rod (38) for co-rotation.

2. The vehicle-mounted touch screen display panel production device according to claim 1, characterized in that: The fixing assembly comprises two clamping plates (22), a movable groove (20) is provided on the top of the bottom plate (1), a pair of movable blocks (21) are slidably connected in the movable groove (20), the clamping plates (22) are fixed on the tops of the corresponding movable blocks (21), a bidirectional stud (23) is rotatably connected in the movable groove (20), and the bidirectional stud (23) is threadedly connected to the two movable blocks (21).

3. The vehicle-mounted touch screen display panel production device according to claim 1, characterized in that: The top of the bottom plate (1) is provided with a slot located between the two clamping plates (22) and close to one end of the crossbar (2), and a cushion block (24) capable of staying at any height is inserted into the slot.

4. The vehicle-mounted touch screen display panel production device according to claim 1, characterized in that: A first spring (11) is fixed to the opposite sides of the two positioning rings (5), and the other ends of the first spring (11) are respectively fixed to the inner walls at both ends of the installation groove (4).

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