Deviation clamp for detecting display module

Abstract

The utility model discloses a deviation clamp for detecting a display module. The deviation clamp comprises an anti-static base plate, a driving assembly and a digital display dial indicator. A plurality of clamping blocks are arranged on the anti-static base plate, and a display screen groove is defined by the clamping blocks. The driving assembly is fixed to the edge of the display screen groove. The digital display dial indicator comprises a display screen, an adjusting rod and a micrometer ejector pin, and the ejecting end of the micrometer ejector pin faces the display screen groove. When the driving assembly drives the ejecting block to eject the display module in the display screen groove, the display module gradually gets close to the micrometer ejector pin, so that the data of the distance between the outer side edge of the cover plate and the casting edge is displayed in the display screen, whether the tolerance meets the requirement of a qualified product or not can be quickly corrected, the measurement efficiency in the detection process is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of clamps, in particular to a clamp for detecting the offset of a display module. Background Art

[0002] As users demand higher quality from touch display modules, quality standards are becoming increasingly stringent. Some backlights have castings. After the display module is added to the casting, the distance from the outer edge of the cover to the edge of the casting must be within a tolerance of ±0.3mm. The module manufacturer and the customer agree to use the longer edge to fix the two ends. Currently, to meet customer delivery requirements, the distance between the outer edge of the cover and the edge of the casting is measured manually using a projector, which is very inefficient.

[0003] Therefore, it is urgent to propose an efficient detection fixture. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a fixture for detecting the offset of a display module.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A fixture for detecting the misalignment of a display module, comprising:

[0007] An antistatic pad, wherein a plurality of card blocks are provided on the antistatic pad, each of the card blocks encloses a display screen slot, and the display screen slot is used to place a display module;

[0008] A driving assembly, wherein the driving assembly is fixed to the edge of the display screen slot, and a supporting block is fixed to the driving end of the driving assembly; and

[0009] A digital micrometer is arranged relative to the holding block, and includes a display screen, an adjustment rod and a micrometer ejector. The display screen is fixed on one of the card blocks, one end of the display screen is connected to the adjustment rod, and the other end is connected to the micrometer ejector. The holding end of the micrometer ejector faces the display screen slot.

[0010] In one embodiment, the digital micrometer further includes a positioning block, and the positioning block is arranged between the display screen and the adjacent card block.

[0011] In one embodiment, there are two digital dial indicators, which are respectively arranged at two ends of the same card block, and the supporting ends of each micrometer pin are respectively facing the display screen slot.

[0012] In one embodiment, the antistatic pad is provided with a casting column air-avoiding groove below the display screen groove.

[0013] In one embodiment, a cover plate groove is formed at a top edge of each of the card blocks on a side facing the display screen groove, and each of the cover plate grooves is used to place a cover plate on the display module.

[0014] In one embodiment, a silicone sheet is provided at the holding end of the holding block.

[0015] In one embodiment, the thickness of the silicone sheet is 2 mm.

[0016] In one embodiment, the driving component is a cylinder.

[0017] In one embodiment, the antistatic pad is provided with a material taking port at the edge of the display screen slot.

[0018] In one embodiment, the antistatic pad is black wood.

[0019] Compared with the prior art, the present invention has at least the following advantages:

[0020] The offset fixture for detecting the display module of the utility model is provided with an antistatic pad, a drive assembly and a digital micrometer. A plurality of card blocks are provided on the antistatic pad, and each card block encloses to form a display screen slot. The drive assembly is fixed to the edge of the display screen slot. The digital micrometer includes a display screen, an adjustment rod and a micrometer ejector pin, and the holding end of the micrometer ejector pin faces the display screen slot. When the drive assembly drives the holding block to hold the display module in the display screen slot, the display module gradually approaches the micrometer ejector pin, so that the spacing data from the outer edge of the cover plate to the edge of the casting is displayed on the display screen, which can quickly check whether the tolerance meets the requirements of qualified products, thereby improving the measurement efficiency during the detection process and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the embodiments.

[0022] Figure 1 Schematic diagram of the three-dimensional structure of a fixture for detecting the offset of a display module in one embodiment of the present invention;

[0023] Figure 2 2 is a side structural diagram of a fixture for detecting the offset of a display module in one embodiment of the present invention.

[0024] Reference numerals:

[0025] Anti-static pad 10, card block 11, display screen slot 12, material taking port 13, casting column avoidance slot 14, drive assembly 20, top holding block 21, digital display micrometer 30, display screen 31, adjustment rod 32, micrometer ejector pin 33, positioning block 34. DETAILED DESCRIPTION

[0026] In order to facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.

[0027] This application proposes a fixture for detecting the offset of a display module. Figure 1 and Figure 2 , including: an anti-static pad 10, a drive assembly 20 and a digital micrometer 30. The digital micrometer 30 is used to measure the spacing data from the outer edge of the cover to the edge of the casting. A number of card blocks 11 are provided on the anti-static pad 10, and each card block 11 encloses a display screen slot 12, and the display screen slot 12 is used to place the display module. The drive assembly 20 is fixed to the edge of the display screen slot 12, and a top holding block 21 is fixed to the driving end of the drive assembly 20. The digital micrometer 30 and the top holding block 21 are arranged opposite to each other on the anti-static pad 10, and the digital micrometer 30 and the top holding block 21 are both on the same side of the anti-static pad 10 where the display screen slot 12 is opened. Preferably, the drive assembly 20 is a cylinder.

[0028] Among them, the digital micrometer 30 includes a display screen 31, an adjustment rod 32 and a micrometer ejector pin 33. The adjustment rod 32 is used to adjust the tightness of the micrometer ejector pin 33. The micrometer ejector pin 33 is used to support the test end of the display module. The display screen 31 is fixed on a clamping block 11, one end of the display screen 31 is connected to the adjustment rod 32, and the other end is connected to the micrometer ejector pin 33. The holding end of the micrometer ejector pin 33 faces the display screen slot 12. When the driving component 20 drives the holding block 21 to hold the display module in the display screen slot 12, the display module gradually approaches the micrometer ejector pin 33, so that the spacing data from the outer edge of the cover plate to the edge of the casting is displayed on the display screen 31, which can quickly check whether the tolerance meets the requirements of qualified products, thereby improving the measurement efficiency during the inspection process and reducing labor costs.

[0029] Please refer again Figure 1 The digital dial indicator 30 further includes a positioning block 34. The display screen 31 is cylindrical. The contact surface between the positioning block 34 and the display screen 31 is recessed into a semi-cylindrical shape to fit the display screen 31. Therefore, the positioning block 34 can strengthen the positioning effect of the digital dial indicator 30 on the card block 11 and avoid the poor stability of the display screen 31 on the card block 11. The positioning block 34 is arranged between the display screen 31 and the adjacent card block 11, that is, the adjacent card block 11 is the card block 11 on which the digital dial indicator 30 is fixed.

[0030] In one embodiment, two digital dial indicators 30 are provided. These two indicators independently measure the distance between the outer edge of the cover plate and the edge of the casting, and display the data on a display screen 31, thereby improving the accuracy of the measurement data. The two digital dial indicators 30 are positioned at opposite ends of the same clamping block 11, with the tip of each micrometer pin 33 facing the display screen slot 12.

[0031] Furthermore, a cover plate groove is opened at the top edge of each card block 11 on one side facing the display screen groove 12, and each cover plate groove is used to place the cover plate on the display module, further improving the limiting effect of the display module and thereby improving the accuracy of the measurement data.

[0032] Furthermore, the antistatic pad 10 is provided with a casting column air-avoiding groove 14 below the display screen groove 12 , and the casting column air-avoiding groove 14 is used to avoid air from accessories in the backlight casting.

[0033] In one embodiment, a silicone sheet is provided at the supporting end of the supporting block 21. The silicone sheet is a flexible material and is used to contact the touch display module. When the driving assembly 20 pushes the supporting block 21 toward the display module, the silicone sheet reduces contact between the touch display module and hard objects, thereby reducing the possibility of defects.

[0034] Preferably, the thickness of the silicone sheet is 2 mm.

[0035] Please refer again Figure 1 and Figure 2 The anti-static pad 10 is provided with a material taking port 13 at the edge of the display screen slot 12. The material taking port 13 is avoided so that after the measurement is completed, the display module can be removed and the offset fixture of the display module can be detected to measure the next display module.

[0036] Preferably, the antistatic pad 10 is a black pad. The black pad is non-conductive and does not generate static particles when rubbed, thereby preventing the charged particles generated on the antistatic pad 10 from causing adverse effects on the display module.

[0037] In addition, the following is the process of using the tool to detect assembly deviation:

[0038] The staff first cleaned the fixture used to inspect the display module's misalignment, connected the cylinder to the air pipe, and prepared a display module with the cover plate edge and the casting edge measured to the center of the tolerance as a spot inspection sample. This is used as a spot inspection sample for routine inspection of the display module's misalignment fixture. Before each inspection, the tool is inspected. Once the inspection passes, each unit of normal production is inspected: the display module casting is placed face down into the display slot, with the cover plate edge positioned in the slot. The cylinder is activated, and the holding block attached to the cylinder's drive end is pushed forward, pressing the display module against the long-side clamping block. This allows the display module to contact the micrometer ejector pin, ensuring that the data displayed on the display matches the drawing. A tolerance within ±0.3mm is considered acceptable. Otherwise, the product is considered unacceptable.

[0039] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person of ordinary skill in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A fixture for detecting the deviation of a display module, characterized in that: include: An antistatic pad, wherein a plurality of card blocks are provided on the antistatic pad, each of the card blocks encloses a display screen slot, and the display screen slot is used to place a display module; A driving assembly, wherein the driving assembly is fixed to the edge of the display screen slot, and a supporting block is fixed to the driving end of the driving assembly; and A digital micrometer is arranged relative to the holding block, and includes a display screen, an adjustment rod and a micrometer ejector. The display screen is fixed on one of the card blocks, one end of the display screen is connected to the adjustment rod, and the other end is connected to the micrometer ejector. The holding end of the micrometer ejector faces the display screen slot.

2. The fixture for detecting the deviation of the display module according to claim 1, characterized in that: The digital display micrometer further comprises a positioning block, which is arranged between the display screen and the adjacent card block.

3. The fixture for detecting the deviation of the display module according to claim 1, characterized in that: There are two digital dial indicators, which are respectively arranged at the two ends of the same card block, and the supporting ends of the micrometer ejectors are respectively facing the display screen slot.

4. The fixture for detecting the deviation of a display module according to claim 1, characterized in that: The antistatic pad is provided with a casting column air-avoiding groove below the display screen groove.

5. The fixture for detecting the deviation of a display module according to claim 1, characterized in that: A cover plate groove is formed on the top edge of each of the card blocks facing the display screen groove, and each of the cover plate grooves is used for placing a cover plate on the display module.

6. The fixture for detecting the deviation of a display module according to claim 1, characterized in that: The holding end of the holding block is provided with a silicone sheet.

7. The fixture for detecting the deviation of a display module according to claim 6, characterized in that: The thickness of the silicone sheet is 2 mm.

8. The fixture for detecting the deviation of a display module according to claim 1, characterized in that: The driving component is a cylinder.

9. The fixture for detecting the deviation of a display module according to claim 1, characterized in that: The antistatic pad is provided with a material taking port at the edge of the display screen slot.

10. The fixture for detecting the deviation of a display module according to claim 1, characterized in that: The antistatic pad is a black pad.

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