CN217717330U

CN217717330U - LCD screen bending force testing arrangement

Info

Publication number: CN217717330U
Application number: CN202221283085.5U
Authority: CN
Inventors: 黄礼华; 赵丹娜; 向习全; 王今华; 王贞绪
Original assignee: Huaxin Technology Enshi Co ltd
Current assignee: Huaxin Technology Enshi Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-01
Anticipated expiration: 2032-05-26

Abstract

The utility model relates to a LCD screen detects technical field, discloses a LCD screen bending force testing arrangement, the upper portion terminal surface of supporting seat is located one side position department symmetry and has seted up the direction spout, the orbital transfer fluting has been seted up at the middle part of direction spout, the top of arm power branch is run through the direction spout and is provided with the bending force push rod, the front side symmetry of bending force push rod is provided with pressure sensing probe, the output that sticiss the knob is provided with sticiss the clamp splice. The utility model discloses replaced the form of traditional single model LCD screen test, through the clamping location in advance of anchor clamps subassembly to the LCD screen, under the displacement of pressure sensing probe was adjusted on the displacement adjusting part curved force extension board, the one side of which has nimble regulation performance, can be under the condition of not changing the frock, carry out test work to the LCD screen bending force of different models, and on the other hand has high efficiency, quick efficiency of software testing, can carry out quick test work to the LCD screen.

Description

LCD screen bending force testing arrangement

Technical Field

The utility model relates to a LCD screen detects technical field, specifically is a LCD screen bending force testing arrangement.

Background

The LCD structure is that liquid crystal box is placed in two parallel glass substrates, thin film transistor is set on the lower substrate glass, colour filter is set on the upper substrate glass, the rotation direction of liquid crystal molecule is controlled by signal and voltage change on the thin film transistor, so that it can control the emergence of polarized light of every pixel point to attain the goal of display.

However, the existing bending force testing device for the LCD screen is used in the using process, mostly only can carry out testing work on the LCD screen of a single model, when the testing work of different models needs to be carried out, corresponding testing tools need to be frequently replaced, so that the testing work of multiple models can be carried out, and when the operation strength is tedious, the testing efficiency is low. Accordingly, those skilled in the art have provided an LCD panel bending force testing apparatus to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LCD screen bending force testing arrangement to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bending force testing device of an LCD screen is composed of a variable pitch adjusting assembly and a clamp assembly;

the variable-pitch adjusting assembly comprises a supporting seat, a transmission motor is arranged at the position, located at the middle part, of the bottom end face of the supporting seat, guide sliding grooves are symmetrically formed in the position, located at one side, of the upper end face of the supporting seat, a variable-rail groove is formed in the middle part of each guide sliding groove, a transmission shaft is arranged at the output end of the transmission motor, a positioning jacket is sleeved on the outer side of the transmission shaft, a guide rail frame is arranged at the output end of the positioning jacket, a transmission lead screw is rotatably connected to the inner side of the guide rail frame, an adjusting handle is arranged at the output end of the transmission lead screw in a penetrating mode through the supporting seat, a guide sliding table is sleeved on the outer side of the transmission lead screw, an arm force supporting rod is arranged above the guide sliding table, the top end of the arm force supporting rod is provided with a bending force push rod in a penetrating mode through the guide sliding grooves, and pressure sensing probes are symmetrically arranged on the front side of the bending force push rod;

the fixture assembly comprises a clamping seat fixed at the middle position above the supporting seat, a buckle slot is formed in one side of the clamping seat, a clamping plate groove is formed in the middle of the buckle slot, the inner side of the clamping plate groove penetrates through the clamping seat and is symmetrically connected with a pressing knob, and the output end of the pressing knob is provided with a pressing clamping block.

As a further aspect of the present invention: the number of the pressing knobs is three, and the pressing knobs are symmetrically arranged at equal intervals relative to the horizontal direction of the clamping plate groove.

As a further aspect of the present invention: the compressing and clamping block is of a cylindrical structure and is made of a natural rubber component.

As a further aspect of the present invention: three groups are no less than the quantity of the guide sliding grooves, and the guide sliding grooves are of a semicircular structure.

As a further aspect of the present invention: the middle part of direction slip table runs through and is provided with the transmission silk cover with transmission lead screw looks adaptation, and the external diameter of direction slip table and the guide rail internal diameter looks adaptation of guide rail frame.

As a further aspect of the present invention: and one side of the supporting seat is provided with a guide rail sliding groove matched with the adjusting handle, and the guide rail sliding groove is of a semicircular structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses replaced the form of traditional single model LCD screen test, through the clamping location in advance of anchor clamps subassembly to the LCD screen, under the displacement of pressure sensing probe was adjusted on the displacement adjusting part curved force extension board, the one side of which has nimble regulation performance, can be under the condition of not changing the frock, carry out test work to the LCD screen bending force of different models, and on the other hand has high efficiency, quick efficiency of software testing, can carry out quick test work to the LCD screen.

Drawings

FIG. 1 is a schematic structural diagram of an LCD screen bending force testing device;

FIG. 2 is a schematic structural diagram of a pitch adjusting assembly in an LCD screen bending force testing device;

fig. 3 is a schematic structural diagram of a clamp assembly in an LCD panel bending force testing apparatus.

In the figure: 1. a supporting seat; 2. a drive motor; 3. a holder; 4. a guide chute; 5. track changing and grooving; 6. a bending push rod; 7. a pressure sensing probe; 8. a guide rail chute; 9. slotting the buckle; 10. a clamping plate groove; 11. pressing the knob; 12. pressing the clamping block; 13. a drive shaft; 14. a positioning jacket; 15. a guide rail bracket; 16. a transmission screw rod; 17. a guide sliding table; 18. an adjusting handle; 19. arm power branch.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, an LCD panel bending force testing apparatus is composed of a variable pitch adjusting assembly and a clamp assembly, the variable pitch adjusting assembly includes a supporting seat 1, a transmission motor 2 is disposed at a middle position of a bottom end surface of the supporting seat 1, guide chutes 4 are symmetrically disposed at one side position of an upper end surface of the supporting seat 1, a track-changing slot 5 is disposed at a middle portion of the guide chute 4, a transmission shaft 13 is disposed at an output end of the transmission motor 2, a positioning jacket 14 is sleeved outside the transmission shaft 13, a guide rail frame 15 is disposed at an output end of the positioning jacket 14, a transmission lead screw 16 is rotatably connected to an inner side of the guide rail frame 15, an adjusting handle 18 is disposed at an output end of the transmission lead screw 16 through the supporting seat 1, and the outside cover of transmission lead screw 16 is equipped with direction slip table 17, the top of direction slip table 17 is provided with arm power branch 19, the quantity of direction spout 4 is no less than three groups, and direction spout 4 is semi-circular structure, after sticising the location to the LCD screen and finishing, drive motor 2 works, drive transmission shaft 13 and rotate, synchronous drive guide rail frame 15 is rotatory and swing, guide rail frame 15 is at rotatory swing in-process, promote arm power branch 19 and guide the slip in corresponding direction spout 4, make the bending force push rod 6 use holder 3 as the axle center, rotatory promotion, press pressure sensing probe 7 to the LCD screen, make the crooked deformation of LCD screen atress, pressure sensing probe 7 transmits the pressure signal who receives to control center simultaneously, provide test information for the staff.

The top end of the arm force supporting rod 19 penetrates through the guide sliding groove 4 to be provided with a bending force pushing rod 6, the front side of the bending force pushing rod 6 is symmetrically provided with pressure sensing probes 7, the middle part of the guide sliding table 17 penetrates through a transmission thread sleeve matched with the transmission screw rod 16, the outer diameter of the guide sliding table 17 is matched with the inner diameter of a guide rail of the guide rail frame 15, one side of the supporting seat 1 is provided with a guide rail sliding groove 8 matched with the adjusting handle 18, the guide rail sliding groove 8 is of a semicircular structure, when the bending force testing work is carried out on the LCD screen, a worker adjusts the testing position of the pressure sensing probes 7 on the bending force pushing rod 6 according to the size of a screen panel of the LCD screen, in the adjusting process, the worker rotates the adjusting handle 18 to drive the transmission screw rod 16 to rotate, the guide sliding table 17 is pushed to horizontally slide in the guide rail frame 15, then in the horizontal sliding process of the guide sliding table 17, the arm force supporting rod 19 is pushed to slide in the rail changing groove 5, the bending force pushing rod 6 into the corresponding guide sliding groove 4, the pressure sensing probes 7 are located at a proper position, and the screen panel of the LCD screen panel is subjected to the bending force testing work.

The anchor clamps subassembly is including fixing the holder 3 in 1 top middle part position department of supporting seat, buckle fluting 9 has been seted up to one side of holder 3, splint groove 10 has been seted up at the middle part of buckle fluting 9, 3 symmetric connection of holder run through in the inboard of splint groove 10 has the knob 11 of sticising, the output that sticiss knob 11 is provided with sticiss clamp 12, the quantity that sticiss knob 11 is three groups, and sticiss knob 11 and be equidistant symmetrical arrangement for the horizontal direction in splint groove 10, it is cylindrical structure to sticiss clamp 12, and sticis clamp 12 and adopts the natural rubber material component, when carrying out bending force test work to the LCD screen, the staff puts into buckle fluting 9 with the LCD screen that awaits measuring, after placing the regulation, twist and sticis knob 11, will sticis clamp 12 and tightly press on the LCD screen, it fixes a position to sticis pressed to the LCD screen.

The utility model discloses a theory of operation is: when the bending force test work is carried out on the LCD screen, a worker adjusts the test position of the pressure sensing probe 7 on the bending force push rod 6 according to the size of the screen panel of the LCD screen, in the adjusting process, the worker rotates the adjusting handle 18 to drive the transmission screw rod 16 to rotate, the guide sliding table 17 is pushed to horizontally slide in the guide rail frame 15, then the arm force supporting rod 19 is pushed to slide in the track changing groove 5 in the horizontal sliding process of the guide sliding table 17, the bending force push rod 6 is pushed into the corresponding guide sliding groove 4, the pressure sensing probe 7 is positioned at a proper position, the bending force test work is carried out on the screen panel of the LCD screen, and then the worker puts the LCD screen to be tested into the buckle groove 9, after the placing and adjusting is finished, the pressing knob 11 is screwed, the pressing clamping block 12 is pressed on the LCD screen tightly, the LCD screen is pressed and positioned, further after the LCD screen is pressed and positioned, the transmission motor 2 works to drive the transmission shaft 13 to rotate, the guide rail frame 15 is driven to swing in a rotating mode synchronously, the guide rail frame 15 pushes the arm force supporting rod 19 to slide in the corresponding guide sliding groove 4 in a guiding mode in the rotating and swinging process, the bending force pushing rod 6 is made to use the clamping seat 3 as an axis and is pushed in a rotating mode, the pressure sensing probe 7 is pressed on the LCD screen in a rotating mode, the LCD screen is made to deform in a bending mode under stress, meanwhile, the pressure signal received by the pressure sensing probe 7 is transmitted to the control center, and bending force testing information is provided for workers.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. The bending force testing device for the LCD screen is characterized by comprising a variable pitch adjusting assembly and a clamp assembly;

the variable-pitch adjusting assembly comprises a supporting seat (1), a transmission motor (2) is arranged at the position, located at the middle part, of the bottom end face of the supporting seat (1), a guide sliding groove (4) is symmetrically formed in the position, located at one side, of the upper end face of the supporting seat (1), a track changing groove (5) is formed in the middle of the guide sliding groove (4), a transmission shaft (13) is arranged at the output end of the transmission motor (2), a positioning clamping sleeve (14) is sleeved on the outer side of the transmission shaft (13), a guide rail frame (15) is arranged at the output end of the positioning clamping sleeve (14), a transmission lead screw (16) is rotatably connected to the inner side of the guide rail frame (15), an adjusting handle (18) is arranged at the output end of the transmission lead screw (16) in a penetrating mode on the supporting seat (1), a guide sliding table (17) is sleeved on the outer side of the transmission lead screw (16), an arm force supporting rod (19) is arranged above the guide sliding table (17), a bending force pushing rod (6) is arranged at the top end of the arm force supporting rod (19) in a penetrating mode on the guide sliding groove (4), and a pressure sensing probe (7) is symmetrically arranged on the front side of the bending force pushing rod (6);

the clamp assembly comprises a clamp seat (3) fixed at the middle position above a support seat (1), a buckle slot (9) is formed in one side of the clamp seat (3), a clamp plate slot (10) is formed in the middle of the buckle slot (9), the inner side of the clamp plate slot (10) penetrates through the clamp seat (3) and is symmetrically connected with a compression knob (11), and an output end of the compression knob (11) is provided with a compression clamping block (12).

2. The LCD screen bending force testing device of claim 1, wherein the number of the pressing knobs (11) is three, and the pressing knobs (11) are symmetrically arranged at equal intervals relative to the horizontal direction of the clamping plate groove (10).

3. The LCD screen bending force testing device of claim 1, wherein the pinch clamp block (12) is a cylindrical structure, and the pinch clamp block (12) is made of a natural rubber material.

4. The LCD screen bending force testing device according to claim 1, wherein the number of the guide sliding grooves (4) is not less than three, and the guide sliding grooves (4) are in a semicircular structure.

5. The LCD screen bending force testing device according to claim 1, wherein a transmission screw sleeve matched with the transmission screw rod (16) penetrates through the middle of the guide sliding table (17), and the outer diameter of the guide sliding table (17) is matched with the inner diameter of the guide rail frame (15).

6. The LCD screen bending force testing device according to claim 1, wherein one side of the supporting seat (1) is provided with a guide rail sliding groove (8) matched with the adjusting handle (18), and the guide rail sliding groove (8) is of a semicircular structure.