CN117088113B - Display screen production testing device - Google Patents
Display screen production testing device Download PDFInfo
- Publication number
- CN117088113B CN117088113B CN202311038624.8A CN202311038624A CN117088113B CN 117088113 B CN117088113 B CN 117088113B CN 202311038624 A CN202311038624 A CN 202311038624A CN 117088113 B CN117088113 B CN 117088113B
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- display screen
- frame
- screw rod
- driving motor
- sliding
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- 238000012360 testing method Methods 0.000 title claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/022—Flat
Abstract
The invention relates to the technical field of display screens, in particular to a display screen production testing device which comprises a supporting seat, a first supporting frame, a first screw rod, a first driving motor, a first sliding block, a sliding frame, a first hydraulic rod, a second screw rod, a second driving motor and a second sliding block. The purpose is that: after the display screen is placed below the hydraulic rod, the pressing points of the hydraulic rod are respectively adjusted through the first screw rod and the second screw rod, the position of the display screen does not need to be adjusted for multiple times, and the testing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to a display screen production testing device.
Background
The display screen water ripple (similar wave shape) test is an important test item related to the quality of the display screen, in the related art, the display screen is clamped on a test platform, and a plurality of mechanisms are arranged to test the water ripple of the display screen; under the condition of relatively short time, when the prepared sample is tested, the test method needs more test steps and has long test time, and the display screen which can be detected at the same time is less.
The prior patent number (CN 217880810U) is a display screen testing device, which comprises a testing platform, a fixing structure and a testing structure; the testing platform is used for placing the display screen, the fixing structure is arranged on the testing platform, and a containing space is formed in the fixing structure; the test structure comprises a driving piece, a transmission piece and an abutting piece, wherein the transmission piece is connected with the driving piece and the abutting piece, the driving piece is arranged in the accommodating space, and the abutting piece is arranged along the height direction of the test platform; the driving piece is used for driving the transmission piece and driving the abutting piece to abut against or separate from the display screen.
The invention aims at simplifying the step of testing the water ripple of the display screen through the matched connection among the driving piece, the transmission piece and the abutting piece; but the above-mentioned scheme can't adjust the point of pressing, need adjust the display screen position many times during the test, and test efficiency is low.
Disclosure of Invention
The invention aims to provide a display screen production testing device, which aims to solve the problems that the existing display screen testing device cannot adjust pressing points, the position of a display screen needs to be adjusted for multiple times during testing, and the testing efficiency is low.
In order to achieve the above purpose, the display screen production testing device comprises a supporting seat, a first supporting frame, a first screw rod, a first driving motor, a first sliding block, a sliding frame, a first hydraulic rod, a second screw rod, a second driving motor and a second sliding block, wherein the first supporting frame is fixedly connected to the supporting seat, the first screw rod is rotatably installed on the first supporting frame, the first driving motor is fixedly installed on the first supporting frame, the output end of the first driving motor is in transmission connection with the first screw rod, the first sliding block is in threaded connection with the first screw rod, the sliding frame is fixedly connected to the first sliding block, the second screw rod is rotatably installed on the sliding frame, the second driving motor is fixedly installed on the sliding frame, the output end of the second driving motor is in transmission connection with the first screw rod, the second sliding block is in threaded connection with the second screw rod, and the first hydraulic rod is installed at the lower end of the second sliding block.
The display screen production testing device further comprises a second supporting frame, a sliding groove is formed in the second supporting frame, and the sliding groove is slidably mounted in the sliding groove.
The display screen production testing device further comprises a first belt pulley and a second belt pulley, wherein the first belt pulley is fixedly installed on the second screw rod, the first belt pulley is fixedly installed on the output end of the second driving motor, and a belt is wound between the first belt pulley and the second belt pulley.
The display screen production testing device further comprises a transmission assembly, the transmission assembly comprises a transmission belt and two guide plates, the transmission belt is installed on the supporting seat, and the two guide plates are respectively fixedly connected to the supporting seat and are respectively located on two sides of the transmission belt.
The conveying assembly further comprises two lifting mechanisms, the two lifting mechanisms are respectively located on two sides of the conveying belt, each lifting mechanism comprises a cylinder and a lifting plate, a mounting groove is formed in each supporting seat, each cylinder is fixedly installed in each mounting groove, and each lifting plate is fixedly installed on the output end of each cylinder.
The lifting mechanism further comprises an L-shaped plate, and the L-shaped plate is fixedly connected to the lifting plate.
Wherein, fixedly connected with infrared sensor on the supporting seat.
The display screen production testing device further comprises two transfer assemblies, the two transfer assemblies are fixedly mounted on two sides of the sliding frame respectively, each transfer assembly comprises a connecting frame, a second hydraulic rod and an adsorption disc, the connecting frame is fixedly connected to one side of the sliding frame, the second hydraulic rod is mounted at the lower end of the connecting frame, and the adsorption disc is fixedly mounted at the movable end of the second hydraulic rod.
The transfer assembly further comprises a placement frame, and the placement frame is arranged on one side of the supporting seat.
The invention adopting the technical scheme has the following advantages:
1. through mutually supporting of first lead screw, second lead screw and hydraulic stem, place the display screen behind the below of hydraulic stem, adjust the pressfitting point of hydraulic stem respectively through first lead screw and second lead screw, need not adjust the position of display screen many times, improved test efficiency.
2. Through the mutual cooperation of lifting plate and conveyer belt, automatic transmission and replacement are waited the display screen of test, and lifting plate makes the display screen break away from the conveyer belt, improves test accuracy, and has improved test efficiency.
3. Through the transfer subassembly of both sides, through first lead screw adjustment position, utilize the adsorption disc to adsorb the display screen, accomplish the feeding and the unloading of display screen, degree of automation is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of a display screen production test device according to a first embodiment of the present invention.
Fig. 2 is a cross-sectional view of a display screen production test apparatus according to a first embodiment of the present invention.
Fig. 3 is a schematic view of another side of a display production test device according to a first embodiment of the present invention.
Fig. 4 is a schematic structural view of a display screen production test device according to a second embodiment of the present invention.
Fig. 5 is a partial enlarged view of a display screen production test device detail a according to a second embodiment of the present invention.
Fig. 6 is a cross-sectional view of a display screen production test apparatus according to a second embodiment of the present invention.
Fig. 7 is a schematic diagram of a display screen production test apparatus according to a second embodiment of the present invention.
Fig. 8 is a schematic structural view of a display screen production test device according to a third embodiment of the present invention.
101-supporting seat, 102-first supporting frame, 103-first screw rod, 104-first driving motor, 105-first sliding block, 106-sliding frame, 107-first hydraulic rod, 108-second supporting frame, 109-first belt pulley, 110-second belt pulley, 111-sliding groove, 112-second screw rod, 113-second driving motor, 114-second sliding block, 201-transmission belt, 202-guide plate, 203-lifting plate, 204-L-shaped plate, 205-infrared sensor, 206-display screen, 207-cylinder, 301-connecting frame, 302-second hydraulic rod, 303-adsorption disc and 304-placing frame.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
First embodiment
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a display screen production testing device according to a first embodiment of the present invention; FIG. 2 is a cross-sectional view of a display screen production test apparatus according to a first embodiment of the present invention; fig. 3 is a schematic view of another side of a display production test device according to a first embodiment of the present invention.
The invention provides a display screen production testing device which comprises a supporting seat 101, a first supporting frame 102, a first screw rod 103, a first driving motor 104, a first sliding block 105, a sliding frame 106, a first hydraulic rod 107, a second supporting frame 108, a first belt pulley 109, a second belt pulley 110, a second screw rod 112, a second driving motor 113 and a second sliding block 114.
The problem that the existing display screen 206 testing device cannot adjust the pressing point, the position of the display screen needs to be adjusted for many times during testing, and the testing efficiency is low is solved through the scheme, and it can be understood that after the display screen 206 is placed below the first hydraulic rod 107 through the mutual matching of the first screw rod 103, the second screw rod 112 and the hydraulic rod, the pressing point of the first hydraulic rod 107 is adjusted through the first screw rod 103 and the second screw rod 112 respectively, and the position of the display screen 206 does not need to be adjusted for many times, so that the testing efficiency is improved.
In this embodiment, the device comprises a supporting seat 101, a first supporting frame 102, a first screw rod 103, a first driving motor 104, a first sliding block 105, a sliding frame 106 and a first hydraulic rod 107, wherein the first supporting frame 102 is fixedly connected to the supporting seat 101, the first screw rod 103 is rotatably installed on the first supporting frame 102, the first driving motor 104 is fixedly installed on the first supporting frame 102, the output end of the first driving motor 104 is in transmission connection with the first screw rod 103, the first sliding block 105 is in threaded connection with the first screw rod 103, the sliding frame 106 is fixedly connected to the first sliding block 105, the second screw rod 112 is rotatably installed on the sliding frame 106, the second driving motor 113 is fixedly installed on the sliding frame 106, the output end of the second driving motor 113 is in transmission connection with the first screw rod 103, the second sliding block 114 is in threaded connection with the second screw rod 112, and the first hydraulic rod 107 is installed at the lower end of the second sliding block 114; the first driving motor 104 drives the first screw rod 103 to rotate, the first screw rod 103 drives the first sliding block 105 to rotate, so that the sliding frame 106 moves along the X-axis direction, the second driving motor 113 drives the second screw rod 112 to rotate, so that the second sliding block 114 drives the hydraulic rod to move along the Y-axis direction, and the pressing position of the first hydraulic rod 107 is adjusted, so that the requirements of test points at different positions are met.
Wherein, a sliding groove 111 is formed on the second supporting frame 108, and the sliding groove 111 is slidably mounted in the sliding groove 111; by providing the sliding groove 111, the other end of the sliding frame 106 is supported by the second supporting frame 108, so as to prevent the sliding frame 106 from being biased, and reduce the service life.
Secondly, the first belt pulley 109 is fixedly installed on the second screw rod 112, the first belt pulley 109 is fixedly installed on the output end of the second driving motor 113, and a belt is wound between the first belt pulley 109 and the second belt pulley 110; the second driving motor 113 drives the first belt pulley 109 to rotate, the belt drives the second belt pulley 110 to rotate, and the second belt pulley 110 and the second screw rod 112 coaxially rotate, so that the first hydraulic rod 107 is driven to move along the Y-axis direction.
When the device is used for testing the display screen 206, the display screen 206 to be tested is placed on the supporting seat 101, the first screw rod 103 is driven to rotate by the first driving motor 104, the first screw rod 103 drives the first sliding block 105 to rotate, the sliding frame 106 moves along the X-axis direction, the second driving motor 113 drives the second screw rod 112 to rotate, the second sliding block 114 drives the first hydraulic rod 107 to move along the Y-axis direction, the pressing position of the first hydraulic rod 107 is adjusted, after single-point testing is completed, the pressing test is carried out after the single-point testing is completed, and the pressing test is carried out until all points of testing are completed.
Second embodiment
Referring to fig. 5 to 7, fig. 5 is a partial enlarged view of a display screen production test device detail a according to a second embodiment of the present invention; FIG. 6 is a cross-sectional view of a display screen production test apparatus according to a second embodiment of the present invention; fig. 7 is a schematic diagram of a display screen production test apparatus according to a second embodiment of the present invention.
On the basis of the first embodiment, the display screen production test device of the invention further comprises a transmission assembly, wherein the transmission assembly comprises a transmission belt 201, two guide plates 202 and two lifting mechanisms, and the lifting mechanisms comprise a cylinder 207, a lifting plate 203, an L-shaped plate 204 and an infrared sensor 205.
In this embodiment, the display screen 206 to be tested may be automatically transferred and replaced, and the lifting plate 203 may enable the display screen 206 to be separated from the conveyor belt, so as to improve the test accuracy and the test efficiency
The two lifting mechanisms are respectively positioned at two sides of the conveying belt 201, the supporting seat 101 is provided with a mounting groove, the air cylinder 207 is fixedly arranged in the mounting groove, and the lifting plate 203 is fixedly arranged at the output end of the air cylinder 207; the display screen 206 is conveyed by the conveying belt 201, the lifting plate 203 is pushed to ascend by the air cylinder 207, and the lifting plate 203 supports the display screen 206 to prevent the conveying belt 201 from being crushed.
The L-shaped plates 204 are fixedly connected to the lifting plate 203, the display screen 206 is limited through the L-shaped plates 204 on two sides, and the display screen 206 is prevented from shifting, so that the positioning of test points is ensured, and the test accuracy is improved.
The infrared sensor 205 is fixedly connected to the supporting seat 101, and the infrared sensor 205 is arranged, so that when the display screen 206 moves to the vicinity of the infrared sensor 205, the lifting plate 203 is controlled to lift, the lifting action is completed, the positioning of test points is ensured, and the testing accuracy is improved.
Third embodiment
Referring to fig. 8, fig. 8 is a schematic structural diagram of a display production testing device according to a third embodiment of the invention.
On the basis of the second embodiment, the display screen production test device of the invention further comprises two transfer assemblies, wherein each transfer assembly comprises a connecting frame 301, a second hydraulic rod 302, an adsorption disc 303 and a placement frame 304.
In this embodiment, the position is adjusted by the first screw 103 through the transfer assemblies on both sides, the display screen is adsorbed by the adsorption disc 303, and the feeding and discharging of the display screen 206 are completed, so that the automation degree is high.
The two transfer assemblies are respectively and fixedly arranged at two sides of the sliding frame 106, the connecting frame 301 is fixedly connected to one side of the sliding frame 106, the second hydraulic rod 302 is arranged at the lower end of the connecting frame 301, and the adsorption disc 303 is fixedly arranged at the moving end of the second hydraulic rod 302; when the first screw rod 103 adjusts the position of the sliding frame 106, the position of the second hydraulic rod 302 may be changed at the same time, the second hydraulic rod 302 drives the adsorption disc 303 to move downward, adsorb the display screen 206, and then transfer to another position, where the second hydraulic rod 302 on one side is used for feeding, and the second hydraulic rod 302 on the other side is used for discharging.
The placement frame 304 is disposed on one side of the support base 101, a plurality of display screens 206 are stacked through the placement frame 304, the second hydraulic rod 302 drives the adsorption disc 303 to move downwards to adsorb the display screens 206, the first screw rod 103 is utilized to change the position of the second hydraulic rod 302, the second hydraulic rod is moved above the placement frame 304, the adsorption disc 303 adsorbs the uppermost display screen 206 by utilizing air pressure, so as to lift the display screens 206, the first screw rod 103 is utilized to move to the feeding end of the conveyor belt 201, and the second hydraulic rod 302 is utilized to place the display screens 206 on the conveyor belt 201, so that feeding of the display screens 206 is completed.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (5)
1. A display screen production testing device is characterized in that,
comprises a supporting seat, a first supporting frame, a first screw rod, a first driving motor, a first sliding block, a sliding frame, a first hydraulic rod, a second screw rod, a second driving motor and a second sliding block, wherein the first supporting frame is fixedly connected to the supporting seat, the first screw rod is rotatably installed on the first supporting frame, the first driving motor is fixedly installed on the first supporting frame, the output end of the first driving motor is in transmission connection with the first screw rod, the first sliding block is in threaded connection with the first screw rod, the sliding frame is fixedly connected to the first sliding block, the second screw rod is rotatably installed on the sliding frame, the second driving motor is fixedly installed on the sliding frame, the output end of the second driving motor is in transmission connection with the first screw rod, the second sliding block is in threaded connection with the second screw rod, the first hydraulic rod is arranged at the lower end of the second sliding block, the display screen production testing device further comprises a transmission assembly, the transmission assembly comprises a transmission belt and two guide plates, the transmission belt is arranged on the supporting seat, the two guide plates are respectively and fixedly connected to the supporting seat and are respectively positioned at two sides of the transmission belt, the transmission assembly further comprises two lifting mechanisms, the two lifting mechanisms are respectively positioned at two sides of the transmission belt, the lifting mechanisms comprise an air cylinder and a lifting plate, the supporting seat is provided with a mounting groove, the air cylinder is fixedly arranged in the mounting groove, the lifting plate is fixedly arranged at the output end of the air cylinder, the lifting mechanism further comprises an L-shaped plate, the L-shaped plate is fixedly connected to the lifting plate, the display screen production testing device further comprises two transfer assemblies, two transfer units are respectively and fixedly installed on two sides of the sliding frame, each transfer unit comprises a connecting frame, a second hydraulic rod and an adsorption disc, the connecting frame is fixedly connected to one side of the sliding frame, the second hydraulic rod is installed at the lower end of the connecting frame, and the adsorption disc is fixedly installed at the moving end of the second hydraulic rod.
2. A display screen production testing device as described in claim 1, wherein,
the display screen production test device further comprises a second supporting frame, a sliding groove is formed in the second supporting frame, and the sliding groove is slidably mounted in the sliding groove.
3. A display screen production testing device as described in claim 1, wherein,
the display screen production test device further comprises a first belt pulley and a second belt pulley, wherein the first belt pulley is fixedly arranged on the second screw rod, the first belt pulley is fixedly arranged at the output end of the second driving motor, and a belt is wound between the first belt pulley and the second belt pulley.
4. A display screen production test apparatus as described in claim 3, wherein,
and the infrared sensor is fixedly connected to the supporting seat.
5. A display screen production testing device as described in claim 4, wherein,
the transfer assembly further comprises a placement frame, and the placement frame is arranged on one side of the supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311038624.8A CN117088113B (en) | 2023-08-17 | 2023-08-17 | Display screen production testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311038624.8A CN117088113B (en) | 2023-08-17 | 2023-08-17 | Display screen production testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117088113A CN117088113A (en) | 2023-11-21 |
| CN117088113B true CN117088113B (en) | 2024-04-16 |
Family
ID=88782271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311038624.8A Active CN117088113B (en) | 2023-08-17 | 2023-08-17 | Display screen production testing device |
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| Country | Link |
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| CN (1) | CN117088113B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20050052553A (en) * | 2003-11-28 | 2005-06-03 | 에버테크노 주식회사 | Testing system of the mobile phone |
| CN109623929A (en) * | 2019-01-31 | 2019-04-16 | 无锡蓝智自动化科技有限公司 | Automatic chamfering device for sealing ring |
| CN111589901A (en) * | 2020-04-23 | 2020-08-28 | 丽水市莲都区毅荣凯盛模具厂 | Automobile steel ring shaping production line with external shaping function |
| JP6830575B1 (en) * | 2019-10-29 | 2021-02-17 | 義烏瑪奇科技有限公司 | Product surface information collection and transfer device |
| CN112659566A (en) * | 2020-12-07 | 2021-04-16 | 黄伟伟 | Automatic pasting system for polaroid production and manufacturing of display screen |
| CN214560037U (en) * | 2021-04-13 | 2021-11-02 | 安徽禾臣新材料有限公司 | Corner clamping device for fine polishing of electronic display screen |
| CN218473209U (en) * | 2022-10-08 | 2023-02-10 | 安徽省尚成岳兴智能科技有限公司 | Automatic change cell-phone display screen touch testing arrangement |
-
2023
- 2023-08-17 CN CN202311038624.8A patent/CN117088113B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050052553A (en) * | 2003-11-28 | 2005-06-03 | 에버테크노 주식회사 | Testing system of the mobile phone |
| CN109623929A (en) * | 2019-01-31 | 2019-04-16 | 无锡蓝智自动化科技有限公司 | Automatic chamfering device for sealing ring |
| JP6830575B1 (en) * | 2019-10-29 | 2021-02-17 | 義烏瑪奇科技有限公司 | Product surface information collection and transfer device |
| CN111589901A (en) * | 2020-04-23 | 2020-08-28 | 丽水市莲都区毅荣凯盛模具厂 | Automobile steel ring shaping production line with external shaping function |
| CN112659566A (en) * | 2020-12-07 | 2021-04-16 | 黄伟伟 | Automatic pasting system for polaroid production and manufacturing of display screen |
| CN214560037U (en) * | 2021-04-13 | 2021-11-02 | 安徽禾臣新材料有限公司 | Corner clamping device for fine polishing of electronic display screen |
| CN218473209U (en) * | 2022-10-08 | 2023-02-10 | 安徽省尚成岳兴智能科技有限公司 | Automatic change cell-phone display screen touch testing arrangement |
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| CN117088113A (en) | 2023-11-21 |
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