Glass positioning mechanism and glass positioning device

Abstract

The utility model relates to a glass positioning mechanism and a glass positioning device.The glass positioning mechanism comprises a bottom plate, a driving part, a lead screw nut assembly, a moving part and a positioning wheel, the driving part, the lead screw nut assembly and the moving part are all arranged on the bottom plate, and the positioning wheel is arranged on the moving part; the lead screw nut assembly comprises a lead screw and a nut which form lead screw thread pair fit, the driving part is used for driving one of the lead screw and the nut to rotate, and the other one of the lead screw and the nut is connected with the moving part and can drive the moving part and the positioning wheel to linearly move relative to the bottom plate; the positioning wheel is used for abutting against the edge of the glass. The glass positioning mechanism is accurate in positioning movement, convenient to control and capable of effectively avoiding the situation that glass is broken due to clamping.

Description

Technical Field

[0001] The present disclosure relates to the technical field of glass positioning, and in particular, to a glass positioning mechanism and a glass positioning device. Background Art

[0002] In the related art, when quality inspection is performed on the produced LCD panels, a positioning device is required to fix the LCD panels. The positioning device in the related art often includes a carrying platform and a plurality of cylinders. The carrying platform is used to carry the LCD panel. The plurality of cylinders are arranged on the circumferential edge of the carrying platform and are used to abut against the outer edge of the LCD panel to achieve positioning of the LCD panel. However, the positioning movement of the cylinder is not precise and the force is difficult to control, which may easily lead to glass breaking. Utility Model Content

[0003] The purpose of the present disclosure is to provide a glass positioning mechanism and a glass positioning device to solve the technical problems existing in the related art.

[0004] In order to achieve the above-mentioned purpose, the present disclosure provides a glass positioning mechanism, which includes a base plate, a driving part, a screw-nut assembly, a moving part and a positioning wheel, wherein the driving part, the screw-nut assembly and the moving part are all arranged on the base plate, and the positioning wheel is arranged on the moving part; the screw-nut assembly includes a screw and a nut that form a screw thread pair, the driving part is used to drive one of the screw and the nut to rotate, and the other of the screw and the nut is connected to the moving part and can drive the moving part and the positioning wheel to move linearly relative to the base plate; wherein the positioning wheel is used to abut against the edge of the glass.

[0005] Optionally, the driving unit includes a servo motor, a first synchronous wheel, a second synchronous wheel and a synchronous belt, the first synchronous wheel is drivingly connected to the servo motor, the second synchronous wheel is drivingly connected to the lead screw or the nut, and the synchronous belt drivingly connects the first synchronous wheel and the second synchronous wheel.

[0006] Optionally, the screw-nut assembly also includes a support seat and a connecting sleeve, the support seat is connected to the base plate, the connecting sleeve is rotatably arranged on the support seat around its axis, and the connecting sleeve is coaxially arranged with the screw and is used for the first end of the screw to pass through, one end of the connecting sleeve is transmission connected to the second synchronous wheel, the other end of the connecting sleeve is transmission connected to the nut, and the second end of the screw is connected to the moving part.

[0007] Optionally, the support seat includes a support seat body and at least one support bearing, the support seat body is formed with a penetration channel for the connecting sleeve to penetrate, and the support bearing is arranged in the penetration channel and sleeves the connecting sleeve.

[0008] Optionally, the screw nut assembly further includes a connecting block, wherein the connecting block is connected to the second end of the screw, and the connecting block is connected to the moving part.

[0009] Optionally, the glass positioning mechanism further comprises a linear slide rail, and the linear slide rail is arranged on the bottom plate;

[0010] The moving part is configured as a moving block, the moving block is formed with a slide groove, and the slide groove forms a sliding fit with the linear slide rail.

[0011] Optionally, the glass positioning mechanism further comprises a position sensing component and a controller, wherein the position sensing component comprises an initial position detection unit, a terminal position detection unit and a sensing unit;

[0012] The initial position detection part and the final position detection part are arranged on the bottom plate and are both located on the same side of the linear slide rail, and the initial position detection part and the final position detection part are arranged at intervals along the extension direction of the linear slide rail, and the sensing part is arranged on the moving part and can be opposite to the initial position detection part and the final position detection part to perform position detection;

[0013] Wherein, the initial position detection unit, the final position detection unit and the driving unit are all electrically connected to the controller.

[0014] Optionally, the initial position detection unit includes a first mounting seat and an initial position sensor, the first mounting seat is arranged on the bottom plate, and the initial position sensor is arranged on the first mounting seat;

[0015] The end position detection unit includes a second mounting seat and an end position sensor, wherein the second mounting seat is arranged on the bottom plate and is spaced apart from the first mounting seat along the extension direction of the linear slide rail, and the end position sensor is arranged on the second mounting seat;

[0016] The sensing part comprises a third mounting seat and a sensor sensing sheet, wherein the third mounting seat is arranged on the moving part, and the sensor sensing sheet is arranged on the third mounting seat;

[0017] Wherein, the sensor sensing sheet can be relative to the initial position sensor and the final position sensor to perform position detection, and the initial position sensor and the final position sensor are both electrically connected to the controller.

[0018] Optionally, the base plate is constructed as an integrally formed structure.

[0019] The present disclosure also provides a glass positioning device, which includes a glass supporting platform and the glass positioning mechanism. The glass supporting platform is used to support the glass, and the glass positioning mechanism is provided in multiple numbers and arranged on the circumferential edge of the glass supporting platform for positioning the glass.

[0020] In the above technical solution, the driving part can drive one of the lead screw and the nut to rotate, and the lead screw and the nut form a lead screw thread pair, so when one of them rotates, the other can move linearly, and in addition, the other of the lead screw and the nut is connected to the moving part, and the positioning wheel is arranged on the moving part, so the moving part and the positioning wheel thereon can also move linearly to achieve the positioning of the glass against the top. The positioning movement of the glass positioning mechanism is accurate, easy to control, and can effectively avoid the situation of crushing glass.

[0021] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0023] Figure 1 It is a structural schematic diagram of a glass positioning mechanism according to an embodiment of the present invention.

[0024] Figure 2 It is a partial structural schematic diagram of a lead screw and nut assembly of a glass positioning mechanism according to an embodiment of the present invention.

[0025] Figure 3 It is a cross-sectional view of a partial structure of a lead screw nut assembly of a glass positioning mechanism according to an embodiment of the present disclosure.

[0026] Figure 4 It is a structural schematic diagram of a glass positioning device according to an embodiment of the present invention.

[0027] Description of Reference Numerals

[0028] 1. Base plate; 2. Driving unit; 21. Servo motor; 22. First synchronous wheel; 23. Second synchronous wheel; 24. Synchronous belt; 3. Screw-nut assembly; 31. Screw; 32. Nut; 33. Support seat; 331. Support seat body; 332. Support bearing; 34. Connecting sleeve; 35. Connecting block; 4. Moving unit; 5. Positioning wheel; 6. Linear guide rail; 7. Position sensing assembly; 71. Initial position detection unit; 711. First mounting seat; 712. Initial position sensor; 72. Final position detection unit; 721. Second mounting seat; 722. Final position sensor; 73. Sensing unit; 731. Third mounting seat; 732. Sensor sensing sheet; 100. Glass support platform; 200. Glass positioning mechanism. DETAILED DESCRIPTION

[0029] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0030] Reference Figures 1 to 4 As shown, the present disclosure provides a glass positioning mechanism, which includes a bottom plate 1, a driving part 2, a lead screw nut assembly 3, a moving part 4, and a positioning wheel 5. The driving part 2, the lead screw nut assembly 3, and the moving part 4 are all arranged on the bottom plate 1, and the positioning wheel 5 is arranged on the moving part 4. The lead screw nut assembly 3 includes a lead screw 31 and a nut 32 that form a lead screw thread pair. The driving part 2 is used to drive one of the lead screw 31 and the nut 32 to rotate, and the other of the lead screw 31 and the nut 32 is connected to the moving part 4 and can drive the moving part 4 and the positioning wheel 5 to move linearly relative to the bottom plate 1; wherein the positioning wheel 5 is used to abut against the edge of the glass.

[0031] In the above technical solution, the driving part 2 can drive one of the lead screw 31 and the nut 32 to rotate, and the lead screw 31 and the nut 32 form a lead screw thread pair, so when one of them rotates, the other can move linearly, and in addition, the other of the lead screw 31 and the nut 32 is connected to the moving part 4, and the positioning wheel 5 is provided on the moving part 4, so the moving part 4 and the positioning wheel 5 thereon can also move linearly to achieve the positioning of the glass against the top. The glass positioning mechanism 200 has accurate positioning movement, is easy to control, and can effectively avoid the situation of crushing glass.

[0032] In one embodiment, referring to Figure 1As shown, the driving part 2 includes a servo motor 21, a first synchronous wheel 22, a second synchronous wheel 23 and a synchronous belt 24, the first synchronous wheel 22 is connected to the servo motor 21, the second synchronous wheel 23 is connected to the lead screw 31 or the nut 32, and the synchronous belt 24 is connected to the first synchronous wheel 22 and the second synchronous wheel 23. The driving part 2 has a simple structure and stable driving, but the present disclosure does not limit the specific structural design of the driving part 2. In addition, by controlling the rotation direction of the motor shaft of the servo motor 21, that is, the control of the forward rotation and the reverse rotation, the reciprocating linear motion of the moving part 4 can be achieved.

[0033] Optionally, refer to Figures 1 to 3 As shown, the screw-nut assembly 3 also includes a support seat 33 and a connecting sleeve 34. The support seat 33 is connected to the base plate 1. The connecting sleeve 34 is rotatably arranged on the support seat 33 around its axis. The connecting sleeve 34 is coaxially arranged with the screw 31 and is used for the first end of the screw 31 to pass through. One end of the connecting sleeve 34 is transmission connected to the second synchronous wheel 23, and the other end of the connecting sleeve 34 is transmission connected to the nut 32. The second end of the screw 31 is connected to the moving part 4.

[0034] In this embodiment, when the second synchronous wheel 23 rotates, the connecting sleeve 34 also rotates because it is transmission connected to the second synchronous wheel 23, and the nut 32 also rotates because it is transmission connected to the connecting sleeve 34. When the nut 32 rotates, the lead screw 31 can move linearly, and the moving part 4 connected to the lead screw 31 can also move linearly and drive the positioning wheel 5 thereon to position the glass against the top.

[0035] In another embodiment, referring to Figure 3 As shown, the support seat 33 includes a support seat body 331 and at least one support bearing 332. The support seat body 331 is formed with a through-hole for the connecting sleeve 34 to pass through. The support bearing 332 is arranged in the through-hole and sleeves the connecting sleeve 34. The arrangement of the support bearing 332 can support the connecting sleeve 34 and can also ensure that the connecting sleeve 34 can rotate. However, the present disclosure does not limit the specific structure of the support seat 33.

[0036] In other embodiments, the lead screw nut assembly 3 further includes a connecting block 35, the connecting block 35 is connected to the second end of the lead screw 31, and the connecting block 35 is connected to the moving part 4. By providing the connecting block 35, it is convenient to connect the lead screw 31 with the moving part 4. The connecting block 35 can be constructed as any appropriate structure, which is not limited by the present disclosure. For example, the connecting block 35 is formed with a mounting hole for inserting the lead screw 31, and the connecting block 35 is connected to the moving part 4 by a fastener.

[0037] Optionally, refer to Figure 1As shown, the glass positioning mechanism 200 further includes a linear slide rail 6, which is disposed on the bottom plate 1; the moving part 4 is configured as a moving block, which is formed with a slide groove, and the slide groove forms a sliding fit with the linear slide rail 6. By providing the linear slide rail 6, and the moving part 4 is formed with a slide groove that cooperates with the linear slide rail 6, the stability of the movement of the moving part 4 can be improved, and shaking during the movement process can be avoided.

[0038] Reference Figure 1 As shown, the glass positioning mechanism 200 also includes a position sensing component 7 and a controller. The position sensing component 7 includes an initial position detection unit 71, a terminal position detection unit 72 and a sensing unit 73. The initial position detection unit 71 and the terminal position detection unit 72 are arranged on the bottom plate 1 and are both located on the same side of the linear slide 6. The initial position detection unit 71 and the terminal position detection unit 72 are arranged at intervals along the extension direction of the linear slide 6. The sensing unit 73 is arranged on the moving unit 4 and can be opposite to the initial position detection unit 71 and the terminal position detection unit 72 for position detection. The initial position detection unit 71, the terminal position detection unit 72 and the driving unit 2 are all electrically connected to the controller. By setting the sensing handle component 7, it is convenient to determine the initial position and the terminal position of the positioning wheel 5.

[0039] For example, refer to Figure 1 As shown, the initial position detection part 71 includes a first mounting seat 711 and an initial position sensor 712, the first mounting seat 711 is arranged on the base plate 1, and the initial position sensor 712 is arranged on the first mounting seat 711; the terminal position detection part 72 includes a second mounting seat 721 and a terminal position sensor 722, the second mounting seat 721 is arranged on the base plate 1 and is spaced from the first mounting seat 711 along the extension direction of the linear slide rail 6, and the terminal position sensor 722 is arranged on the second mounting seat 721; the sensing part 73 includes a third mounting seat 731 and a sensor sensing sheet 732, the third mounting seat 731 is arranged on the moving part 4, and the sensor sensing sheet 732 is arranged on the third mounting seat 731; wherein, the sensor sensing sheet 732 can be relative to the initial position sensor 712 and the terminal position sensor 722 for position detection, and the initial position sensor 712 and the terminal position sensor 722 are both electrically connected to the controller.

[0040] In this embodiment, the first mounting seat 711, the second mounting seat 721 and the third mounting seat 731 can be constructed in any appropriate shape and structure as long as they are easy to install and can ensure the stability of the installation, and the present disclosure does not limit this.

[0041] In addition, the bottom plate 1 can be constructed as an integrally formed structure. For example, the bottom plate 1 can be constructed as an integrally stamped steel plate, but the present disclosure does not limit the specific material and forming method of the bottom plate 1.

[0042] The present disclosure further provides a glass positioning device, which includes a glass supporting platform 100 and the above-mentioned glass positioning mechanism 200. The glass supporting platform 100 is used to support the glass, and the glass positioning mechanism 200 is provided in multiple pieces and arranged on the circumferential edge of the glass supporting platform 100 for positioning the glass.

[0043] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0044] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0045] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A glass positioning mechanism, characterized in that: The glass positioning mechanism comprises a bottom plate, a driving part, a screw nut assembly, a moving part and a positioning wheel, wherein the driving part, the screw nut assembly and the moving part are all arranged on the bottom plate, and the positioning wheel is arranged on the moving part; The screw-nut assembly includes a screw and a nut that form a screw thread pair, the driving part is used to drive one of the screw and the nut to rotate, and the other of the screw and the nut is connected to the moving part and can drive the moving part and the positioning wheel to move linearly relative to the base plate; wherein the positioning wheel is used to abut against the edge of the glass.

2. The glass positioning mechanism according to claim 1, characterized in that: The driving unit includes a servo motor, a first synchronous wheel, a second synchronous wheel and a synchronous belt. The first synchronous wheel is drivingly connected to the servo motor, the second synchronous wheel is drivingly connected to the lead screw or the nut, and the synchronous belt is drivingly connected to the first synchronous wheel and the second synchronous wheel.

3. The glass positioning mechanism according to claim 2, characterized in that: The screw-nut assembly also includes a support seat and a connecting sleeve, the support seat is connected to the base plate, the connecting sleeve is rotatably arranged on the support seat around its axis, and the connecting sleeve is coaxially arranged with the screw and is used for the first end of the screw to pass through, one end of the connecting sleeve is transmission connected to the second synchronous wheel, the other end of the connecting sleeve is transmission connected to the nut, and the second end of the screw is connected to the moving part.

4. The glass positioning mechanism according to claim 3, characterized in that: The support seat includes a support seat body and at least one support bearing. The support seat body is formed with a penetration channel for the connecting sleeve to penetrate. The support bearing is arranged in the penetration channel and sleeves the connecting sleeve.

5. The glass positioning mechanism according to claim 3, characterized in that: The lead screw nut assembly further includes a connecting block connected to the second end of the lead screw, and the connecting block is connected to the moving part.

6. The glass positioning mechanism according to claim 1, characterized in that: The glass positioning mechanism further comprises a linear slide rail, and the linear slide rail is arranged on the bottom plate; The moving part is configured as a moving block, the moving block is formed with a slide groove, and the slide groove forms a sliding fit with the linear slide rail.

7. The glass positioning mechanism according to claim 6, characterized in that: The glass positioning mechanism further comprises a position sensing component and a controller, wherein the position sensing component comprises an initial position detection unit, a terminal position detection unit and a sensing unit; The initial position detection part and the final position detection part are arranged on the bottom plate and are both located on the same side of the linear slide rail, and the initial position detection part and the final position detection part are arranged at intervals along the extension direction of the linear slide rail, and the sensing part is arranged on the moving part and can be opposite to the initial position detection part and the final position detection part to perform position detection; Wherein, the initial position detection unit, the final position detection unit and the driving unit are all electrically connected to the controller.

8. The glass positioning mechanism according to claim 7, characterized in that: The initial position detection unit includes a first mounting seat and an initial position sensor, wherein the first mounting seat is arranged on the bottom plate, and the initial position sensor is arranged on the first mounting seat; The end position detection unit includes a second mounting seat and an end position sensor, wherein the second mounting seat is arranged on the bottom plate and is spaced apart from the first mounting seat along the extension direction of the linear slide rail, and the end position sensor is arranged on the second mounting seat; The sensing part comprises a third mounting seat and a sensor sensing sheet, wherein the third mounting seat is arranged on the moving part, and the sensor sensing sheet is arranged on the third mounting seat; Wherein, the sensor sensing sheet can be relative to the initial position sensor and the final position sensor to perform position detection, and the initial position sensor and the final position sensor are both electrically connected to the controller.

9. The glass positioning mechanism according to claim 1, characterized in that: The bottom plate is constructed as an integrally formed structure.

10. A glass positioning device, characterized in that: The glass positioning device comprises a glass supporting platform and a glass positioning mechanism according to any one of claims 1 to 9, wherein the glass supporting platform is used to support the glass, and the glass positioning mechanism is provided in multiple numbers and arranged at the circumferential edge of the glass supporting platform for positioning the glass.

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