CN216791928U

CN216791928U - Hardness detection device for LED display screen test

Info

Publication number: CN216791928U
Application number: CN202122933114.XU
Authority: CN
Inventors: 刘静
Original assignee: Shenzhen Anhua Testing Technology Co ltd
Current assignee: Shenzhen Anhua Testing Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-06-21
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a hardness detection device for LED display screen testing, which comprises a frame and a Y sliding seat, wherein an X sliding rail and a portal frame are sequentially fixed above a bottom frame from inside to outside, a ball is attached to the upper part of the X sliding rail, the Y sliding seat is installed above the outer part of the Y sliding rail seat, fixed arm assemblies for auxiliary fixing are installed on two sides of the inner wall of the portal frame, each fixed arm assembly comprises a lever arm, a sleeve arm, a first electric cylinder, a spring damper and a rubber pad, and the sleeve arm is arranged outside the lever arm. This hardness detection device is used in test of LED display screen compares with current ordinary hardness detection device, promotes spring damper and cushion after the electric jar starts, and the cushion can contact with the product thereupon, fixes it, and the safety of product is effectively ensured to soft contact cooperation spring damper, avoids fixed compressing tightly to lead to the product to damage, and the armlet can stretch out and draw back along the lever arm, and the position of electric jar one thereupon changes, can assist fixedly to the product of equidimension not.

Description

Hardness detection device for LED display screen test

Technical Field

The utility model relates to the technical field of LED display screens, in particular to a hardness detection device for LED display screen testing.

Background

The LED display screen is a display mode by controlling semiconductor light-emitting diodes, and is formed from several light-emitting diodes which are usually red, and can display characters by means of turning on and off of lamp, and can be used as display screen for displaying various information of characters, graph, image, animation, quotation, video and video signal, etc.

The existing hardness detection device cannot fix a product, the product is easy to displace in the detection process, detection failure is caused, the use requirements of people cannot be well met, and technical innovation is performed on the basis of the existing hardness detection device according to the condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hardness detection device for testing an LED display screen, which is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the hardness detection device for the LED display screen test comprises a chassis and a Y slide seat, wherein an X slide rail and a portal frame are sequentially fixed above the chassis from inside to outside, balls are attached to the upper portion of the X slide rail, the Y slide seat is installed above the outer portion of the Y slide rail seat, a fixing arm assembly used for assisting in fixing is installed on two sides of the inner wall of the portal frame and comprises a lever arm, a sleeve arm, a first electric cylinder, a spring damper and a rubber pad, the sleeve arm is arranged outside the lever arm, the first electric cylinder is installed outside the sleeve arm, the spring damper is installed below the first electric cylinder, the rubber pad is fixed below the spring damper, a second electric cylinder is arranged above the outer portion of the portal frame, a guide rod seat is installed below the second electric cylinder, a guide sleeve is installed above the guide rod seat, a pressure sensor is installed below the guide rod seat, and a mounting assembly used for mounting and fixing is arranged below the pressure sensor, and the exterior of the mounting assembly is mounted with contacts.

Furthermore, a Y-shaped sliding rail seat is mounted outside the ball, and an oil cavity is arranged inside the Y-shaped sliding rail seat.

Furthermore, the Y slide rail seat is in sliding connection with the X slide rail through balls, and the balls are distributed at equal intervals in the horizontal direction of the oil cavity.

Furthermore, the two lever arms are symmetrically arranged along the center of the portal frame, and the central axis of each lever arm is coincided with the central axis of each sleeve arm.

Further, the mounting assembly comprises a mounting head and a pin sleeve, and the pin sleeve is fixed inside the mounting head.

Further, the installation component further comprises a pin spring and a pin rod, the pin spring is arranged outside the pin sleeve, and the pin rod is installed on the inner wall of the pin sleeve.

Furthermore, two pin sleeves are symmetrically arranged along the center of the mounting head, and the pin sleeves are elastically connected with the pin rods through pin springs.

Compared with the prior art, the utility model has the beneficial effects that: the position of a product placed on the Y sliding seat can be adjusted front, back, left and right, multi-point detection is realized, the product is fixed, the safety of the product is effectively ensured by the soft contact matched spring damper, the damage of the product caused by fixed compression is avoided, the installation and disassembly mode of a contact of the hardness detection device is convenient, and the later maintenance and replacement are convenient;

1. according to the utility model, through the arrangement of the X slide rail, the balls, the Y slide rail seat, the oil cavity and the Y slide seat, the Y slide rail seat can slide left and right along the X slide rail through the balls, and the Y slide seat can slide back and forth along the Y slide rail seat, so that the position of a product placed on the Y slide seat can be adjusted front and back and left and right, multi-point detection is realized, a cover plate on the Y slide rail seat is opened to add lubrication into the oil cavity, lubricating oil is attached along with the rolling of the balls, the X slide rail, the balls and the Y slide rail seat are lubricated, and the abrasion is effectively reduced;

2. according to the utility model, through the arrangement of the lever arm, the sleeve arm, the first electric cylinder, the spring damper and the rubber pad, after the first electric cylinder is started, the spring damper and the rubber pad are pushed, then the rubber pad can be contacted with a product to fix the product, the soft contact is matched with the spring damper to effectively ensure the safety of the product, the product damage caused by fixing and pressing is avoided, the sleeve arm can stretch along the lever arm, then the position of the first electric cylinder is changed, and the auxiliary fixing can be carried out on the products with different sizes;

3. according to the hardness detection device, the mounting head, the pin sleeve, the pin spring, the pin rod and the contact are arranged, the pin rod is pulled up to load the contact into the mounting head, the contact is bounced into a hole site of the contact by the elastic force of the pin spring after the pin rod is loosened, the contact and the mounting head are mounted and fixed, and the pin rod is pulled up during dismounting, so that the mounting and dismounting modes of the contact of the hardness detection device are convenient, and the later maintenance and replacement are convenient.

Drawings

FIG. 1 is a schematic sectional front view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention.

In the figure: 1. a chassis; 2. an X slide rail; 3. a ball bearing; 4. a Y-shaped slide rail seat; 5. an oil chamber; 6. a Y slide seat; 7. a gantry; 8. a fixed arm assembly; 801. a lever arm; 802. a sleeve arm; 803. a first electric cylinder; 804. a spring damper; 805. a rubber pad; 9. a second electric cylinder; 10. a guide rod seat; 11. a guide sleeve; 12. a pressure sensor; 13. mounting the component; 1301. a mounting head; 1302. a pin bush; 1303. a pin spring; 1304. a pin rod; 14. and a contact.

Detailed Description

As shown in figures 1-3, a hardness testing device for LED display screen testing comprises a chassis 1 and a Y slide seat 6, wherein an X slide rail 2 and a portal frame 7 are sequentially fixed above the chassis 1 from inside to outside, balls 3 are attached to the upper side of the X slide rail 2, a Y slide rail seat 4 is installed outside the balls 3, an oil cavity 5 is arranged inside the Y slide rail seat 4, the Y slide rail seat 4 is in sliding connection with the X slide rail 2 through the balls 3, the balls 3 are equidistantly distributed along the horizontal direction of the oil cavity 5, the Y slide seat 6 is installed above the outside of the Y slide rail seat 4, the X slide rail 2, the balls 3, the Y slide rail seat 4, the oil cavity 5 and the Y slide seat 6 are arranged, the Y slide rail seat 4 can slide left and right along the X slide rail 2 through the balls 3, the Y slide seat 6 can slide back and forth along the Y slide rail seat 4, so that a product placed on the Y slide seat 6 can be adjusted in position back and forth and left to realize multi-point detection, opening a cover plate on a Y slide rail seat 4 to add lubrication into an oil cavity 5, adhering lubricating oil along with the rolling of a ball 3 to lubricate an X slide rail 2, the ball 3 and the Y slide rail seat 4, effectively reducing abrasion, installing a fixed arm assembly 8 for auxiliary fixation on two sides of the inner wall of a portal frame 7, wherein the fixed arm assembly 8 comprises a lever arm 801, a sleeve arm 802, a first electric cylinder 803, a spring damper 804 and a rubber pad 805, the sleeve arm 802 is arranged outside the lever arm 801, the first electric cylinder 803 is installed outside the sleeve arm 802, the spring damper 804 is installed below the first electric cylinder 803, the rubber pad 805 is fixed below the spring damper 804, two lever arms 801 are symmetrically arranged along the center position of the portal frame 7, the central axis of the lever arms 801 is coincident with the central axis of the sleeve arm 802, the first electric cylinder 803 pushes the spring damper 804 and the rubber pad 805 after being started, and then the rubber pad 805 is contacted with a product to fix the product, the safety of product is effectively ensured to soft contact cooperation spring damper 804, avoids fixed compressing tightly to lead to the product to damage, and set arm 802 can stretch out and draw back along lever arm 801, and the position of electric jar 803 changes thereupon, can assist fixedly to the product of equidimension not, and the outside top of portal frame 7 is provided with electric jar two 9, and the guide arm seat 10 is installed to the below of electric jar two 9, and guide pin bushing 11 is installed to the top of guide arm seat 10, and pressure sensor 12 is installed to the below of guide arm seat 10.

As shown in fig. 4, a mounting component 13 for mounting and fixing is arranged below the pressure sensor 12, a contact 14 is mounted on the outside of the mounting component 13, the mounting component 13 includes a mounting head 1301 and a pin bush 1302, a pin bush 1302 is fixed inside the mounting head 1301, the mounting component 13 further includes a pin spring 1303 and a pin rod 1304, the pin spring 1303 is arranged outside the pin bush 1302, the pin rod 1304 is mounted on the inner wall of the pin bush 1302, two pin bushes 1302 are symmetrically arranged along the center position of the mounting head 1301, the pin bush 1302 and the pin rod 1304 form an elastic connection through the pin spring 1303, the mounting head 1301, the pin bush 1302, the pin spring 1303, the pin rod 1304 and the contact 14 are arranged, the pin rod 1304 is pulled to load the contact 14 into the mounting head 1301, the pin rod 1304 is sprung into the hole of the contact 14 by the elastic force of the pin spring 1303 after the pin rod 1304 is released, and the contact 14 and the mounting head 1301 are mounted and fixed, the pin rod 1304 is pulled when being dismounted, so that the contact 14 of the hardness detecting device is mounted and dismounted conveniently, is convenient for later maintenance and replacement.

The working principle is as follows: when the hardness detection device for the LED display screen test is used, firstly, a product is placed on a Y slide seat 6, a Y slide rail seat 4 can slide left and right along an X slide rail 2 through a ball 3, the Y slide seat 6 can slide back and forth along the Y slide rail seat 4, so that the position of the product placed on the Y slide seat 6 can be adjusted front and back and left and right, a first electric cylinder 803 is started to push a spring damper 804 and a rubber pad 805, then the rubber pad 805 can be contacted with the product to be fixed, a sleeve arm 802 can stretch along a lever arm 801, the position of the first electric cylinder 803 is changed accordingly, products with different sizes can be fixed in an auxiliary mode, a pin pulling rod 1304 is used for loading a contact 14 into a mounting head 1301, the pin rod 1304 is loosened and then is ejected into a hole position of the contact 14 by the elasticity of a pin spring 1303, the contact 14 and the mounting head 1301 are mounted and fixed, the pin pulling rod 1304 is only needed when the test is disassembled, a second electric cylinder 9 is started to push a guide rod seat 10 to move downwards, until the contact 14 contacts with the product, the pressure sensor 12 is responsible for monitoring the pressure and completing the hardness detection action, which is the working principle of the hardness detection device for the LED display screen test.

Claims

1. The hardness detection device for the LED display screen test comprises an underframe (1) and a Y sliding seat (6), and is characterized in that an X sliding rail (2) and a portal frame (7) are sequentially fixed above the underframe (1) from inside to outside, balls (3) are attached to the upper side of the X sliding rail (2), the Y sliding seat (6) is installed above the outer portion of the Y sliding rail seat (4), fixing arm assemblies (8) used for assisting in fixing are installed on two sides of the inner wall of the portal frame (7), each fixing arm assembly (8) comprises a lever arm (801), a sleeve arm (802), a first electric cylinder (803), a spring damper (804) and a rubber pad (805), the sleeve arm (802) is arranged outside the lever arm (801), the first electric cylinder (803) is installed outside the sleeve arm (802), the spring damper (804) is installed below the first electric cylinder (803), and the rubber pad (805) is fixed below the spring damper (804), the outside top of portal frame (7) is provided with two (9) of electric jar, and installs guide bar seat (10) below two (9) of electric jar, guide pin bushing (11) are installed to the top of guide bar seat (10), and install pressure sensor (12) to the below of guide bar seat (10), the below of pressure sensor (12) is provided with and is used for installing fixed installation component (13), and the externally mounted of installation component (13) has contact (14).

2. The hardness detection device for the LED display screen test according to claim 1, wherein a Y-shaped slide rail seat (4) is mounted outside the ball (3), and an oil cavity (5) is arranged inside the Y-shaped slide rail seat (4).

3. The hardness detection device for the LED display screen test according to claim 2, wherein the Y slide rail seat (4) is in sliding connection with the X slide rail (2) through balls (3), and the balls (3) are distributed at equal intervals along the horizontal direction of the oil cavity (5).

4. The hardness detection device for the LED display screen test according to claim 1, wherein two lever arms (801) are symmetrically arranged along the center of the portal frame (7), and the central axis of the lever arms (801) is coincident with the central axis of the sleeve arm (802).

5. The hardness testing device for the LED display screen is characterized in that the mounting component (13) comprises a mounting head (1301) and a pin sleeve (1302), and the pin sleeve (1302) is fixed inside the mounting head (1301).

6. The hardness testing device for the LED display screen test according to claim 5, wherein the mounting assembly (13) further comprises a pin spring (1303) and a pin rod (1304), the pin spring (1303) is arranged outside the pin sleeve (1302), and the pin rod (1304) is mounted on the inner wall of the pin sleeve (1302).

7. The hardness testing device for the LED display screen is characterized in that two pin sleeves (1302) are symmetrically arranged along the center of the mounting head (1301), and the pin sleeves (1302) are elastically connected with the pin rods (1304) through pin springs (1303).