CN211540935U

CN211540935U - Elastic clamping jig and test equipment

Info

Publication number: CN211540935U
Application number: CN201922022816.5U
Authority: CN
Inventors: 易洁
Original assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingli Electronic Technology Co Ltd
Current assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingli Electronic Technology Co Ltd; Wuhan Jingce Electronic Technology Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-09-22
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses an elasticity centre gripping tool and test equipment, include: a base; the clamping structure is movably connected with the base through an elastic connecting component and is used for clamping and positioning an object to be detected; and a testing device comprising the elastic clamping fixture. The utility model discloses simple structure, the practicality is strong, promotes the clamping structure centre gripping through elasticity and waits to detect the object, has reduced the detection error because of vibrations cause.

Description

Elastic clamping jig and test equipment

Technical Field

The utility model relates to a photoelectric test technical field especially relates to an elasticity centre gripping tool and test equipment.

Background

With the development of the times, the connection between the life and work of people and smart phones is more and more tight, the mobile phone screen is one of the most key components, in the production process of the smart phone screen, the mobile phone screen detection is taken as an especially important process, before, the detection of the domestic mobile phone screen is generally finished manually, but with the rapid development of automatic optical detection technology in recent years, the current manual detection trend is greatly replaced. However, in the process of detecting the mobile phone screen by using the automatic optical device, multiple sets of cylinder elements are required to fix the screen simultaneously, or a baffle is arranged according to the size of the screen to ensure the fixation of the screen.

Therefore, based on the factors, the clamping jig which is not influenced by an external seismic source and is not limited by the size of the panel is provided, and the clamping jig has important practical significance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elasticity centre gripping tool, this tool can reduce the detection error that vibrations caused and can be applicable to the panel of multiple size and use.

The utility model adopts the following technical scheme

The utility model provides an elasticity centre gripping tool which characterized in that includes:

a base; and

the clamping structure is movably connected with the base through an elastic connecting part and used for clamping and positioning the object to be detected.

Furthermore, a groove is formed in one face of the base, a movable groove structure is arranged on the opposite face of the base, a first through hole communicated with the groove is formed in the side wall of the movable groove structure, a second through hole corresponding to the first through hole is formed in the side wall of the clamping structure, and the elastic connecting part penetrates through the second through hole and the first through hole to connect the clamping structure with the base.

Furthermore, the movable groove structure comprises a movable groove arranged on the base and fixed blocks which are arranged in the movable groove and form step surfaces with the other surface of the base, L-shaped grooves are symmetrically arranged on two sides of each fixed block, a clamping groove is arranged in the middle of each fixed block, the first through hole is arranged at the bottom of the clamping groove, and the groove is communicated with the clamping groove through the first through hole;

the centre gripping structure include with L shape groove complex L shape sliding block and with joint groove complex joint piece, the second through-hole sets up on the joint piece.

Further, the clamping structure include with activity groove structure shape complex movable block and with the movable block is connected and is used for the centre gripping to wait to detect the dog of object, the movable block contains L shape sliding block with the joint piece, the dog stretches out to outside the base, have the difference in height and the difference in height between the bottom surface of dog and the bottom surface of movable block equals the thickness of fixed block, work as when the movable block with the fixed block cooperation installation, the dog is located on the fixed block.

Further, the movable block is provided with a U-shaped groove towards the top of the side face of the stop block, the stop block comprises a base block arranged in the movable groove structure, a U-shaped block arranged on the base block and matched with the U-shaped groove, and a stop block arranged on the base block and used for clamping an object to be detected, and the U-shaped groove of the movable block is connected with the U-shaped block of the stop block through adhesive in an adhering mode.

Further, at least one set of oppositely arranged clamping structures is included.

Further, the stop block is perpendicular to the base, or the stop block is arranged obliquely towards the clamping direction.

Furthermore, the movable block and the stop block are of an integrally formed structure.

Further, elastic connecting part is including passing in proper order second through-hole with the bolt, the cover of first through-hole are established spring on the bolt and revolve wrong the twisting be in on the bolt and be used for spacingly the nut of spring, the one end of spring with the lateral wall of recess is connected, the other end of spring with the nut is connected.

The utility model also provides a test equipment, it contains the aforesaid elasticity centre gripping tool.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

1) the utility model has simple structure and strong practicability, and the stopper is pushed by elasticity to fix the object to be detected, thereby reducing the detection error caused by vibration;

2) the utility model replaces the driving clamping by adopting the cylinder element, and uses the spring force to clamp, thereby not only reducing the design and production cost of the automatic optical detection production line, but also saving the installation space of the device;

3) the utility model discloses can be through changing the spring of different length or changing the spiral of bolt and close length (the core is to change elasticity size) can satisfy not unidimensional cell-phone screen fixed.

Drawings

Fig. 1 is a schematic structural view of a jig according to an embodiment of the present invention;

FIG. 2 is a schematic top view of a base according to an embodiment of the present invention;

FIG. 3 is a schematic view of a bottom structure of the base according to the embodiment of the present invention;

fig. 4 is a schematic structural view of a movable block according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a stopper according to an embodiment of the present invention.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The utility model provides an elasticity centre gripping tool, as shown in figure 1, including base 1 and a plurality of clamping structure. This base 1 is the rectangular plate body, certainly also can be other shapes, for example oval or circular, is provided with a plurality of screw holes 10 on the four corners of base 1, and this tool passes the screw hole through the fastener and is connected with automatic optical test equipment when using. The base 1 is made of fog black aluminum alloy plate, and because black has light absorption, when the external environment light irradiates on the base, the interference effect of reflection can be eliminated, and the aluminum alloy material has certain strength and is lighter in material, so that the base is more suitable to be made of the aluminum alloy material. The bottom surface of the base 1 is provided with a groove 11, the top surface of the base 1 is provided with two sets of two opposite movable groove structures, one set of movable groove structures comprises two movable groove structures which are respectively arranged at the long edge of the top surface of the base, and the other set of movable groove structures comprises two movable groove structures which are respectively arranged at the short edge of the top surface of the base. The side wall of the movable groove structure is provided with a first through hole 12 communicated with the groove 11. The clamping structures are matched with the movable groove structures in shape, and each clamping structure is movably arranged in the corresponding movable groove structure through an elastic connecting part. The clamping structure is further provided with a second through hole 20 which can be correspondingly communicated with the first through hole 12, and the top of the clamping structure extends out of the base 1 and is used for clamping a mobile phone screen. The elastic connecting part comprises a bolt 40, a spring 41 and a nut 42, wherein the bolt 40 penetrates through the second through hole 20 and the first through hole 12 in sequence to connect the base 1 and the clamping structure, the spring 41 is sleeved on the bolt 40, the nut 42 is screwed on the bolt 40 and is used for limiting the spring 41, namely one end of the spring 41 is connected with the side wall of the groove 11, and the other end of the spring 41 is connected with the nut 41. One end of the bolt 40 passes through the second through hole 20 and the first through hole 12 and then is positioned in the groove 11, and the spring 41 and the nut 42 are both arranged at the end of the bolt 40 positioned in the groove 11, so that the groove 11 is arranged to reserve an installation space for the bolt 40, the spring 41 and the nut 42. When the mobile phone screen clamping device is used, the nut 40 is screwed until the spring 41 is compressed to the shortest, the clamping acting force on the clamping structure is the largest at the moment, when the mobile phone screen is clamped, the clamping structure is firstly pushed outwards until the clamping distance is larger than the size of the mobile phone screen, then the mobile phone screen is placed in the clamping areas of the clamping structures, the clamping structure is loosened, the elastic compression force on the spring 41 is the largest at the moment, and under the acting force of the spring 41, the mobile phone screen is clamped by the clamping structures.

In another embodiment of the present invention, as shown in fig. 2 and 3, the movable groove structure includes a movable groove 13 disposed at the periphery of the top surface of the base 1, and a fixed block 14 disposed in the movable groove 13 and forming a step surface with the top surface of the base 1. The two sides of the fixing block 14 are symmetrically provided with L-shaped grooves 140, the middle of the fixing block 14 is provided with a clamping groove 141, the first through hole 12 is arranged at the bottom of the clamping groove 141 on the fixing block 14, and the groove 11 is communicated with the clamping groove 141 through the first through hole 12. Correspondingly, as shown in fig. 4 and 5, the clamping structure comprises a movable block 2 matched with the fixed block 14 in shape and a stop block 3 connected with the movable block 2 and used for clamping the mobile phone screen, wherein a height difference exists between the bottom surface of the stop block 3 and the bottom surface of the movable block 2, and the height difference is equal to the thickness of the fixed block 14. The both sides of movable block 2 are provided with the L shape sliding block 21 with L shape groove 140 complex, and the middle part of movable block 2 is provided with the joint piece 22 with joint groove 141 complex, and second through-hole 20 sets up on joint piece 22. When the movable block 2 is installed in the movable groove structure, the L-shaped sliding block 21 on the movable block 2 is inserted into the L-shaped groove 140 on the fixed block 14, the clamping block 22 on the movable block 2 is inserted into the clamping groove 141 on the fixed block 14, and at this time, the second through hole 20 is arranged corresponding to the first through hole 12, so that the elastic connecting component is convenient to install. And the movable block 2 can linearly slide along the axial direction of the first through hole 12 and the second through hole 20 due to the L-shaped groove 140 and the clamping groove 141. When the movable block 2 and the fixed block 14 are installed in a matched mode, the height difference between the bottom surface of the stop block 3 and the bottom surface of the movable block 2 is equal to the thickness of the fixed block 14, so that the stop block 3 is located on the top surface of the fixed block 14 and extends out of the top surface of the base 1. In this embodiment, the movable block 2 is made of black aluminum alloy material, the stop block 3 is made of black bakelite, and the movable block 2 and the stop block 3 are fixed by bonding with strong glue. Of course, in actual use, the movable block 2 and the stopper 3 may be of an integral structure. In order to enhance the fixing fastness of the movable block and the fixed block, a U-shaped groove 23 is formed in the movable block 2 towards the top of the side face of the first through hole along the length direction of the movable block, correspondingly, the stop block 3 comprises a base block 30 arranged on the top face of the fixed block 14, a U-shaped block 31 arranged on the base block 30 and matched with the U-shaped groove 23, and a stop block 32 arranged on the base block 30 and used for clamping a mobile phone screen, when the movable block 2 is bonded with the stop block 3, the U-shaped groove 23 of the movable block 2 and the U-shaped block 31 of the stop block 3 are bonded and connected through glue, the arrangement of the arc shape is used for increasing the contact area of the movable block 2 and the stop block 3, and the movable block. The stop block 32 extends out of the base 1, and in order to make the clamping more firm, an included angle between the side surface of the stop block 32 for clamping the object to be detected and the top surface of the base 1 is not more than 90 degrees.

When the elastic clamping jig of the embodiment is applied, the movable block 2 and the stop block 3 are bonded together by strong glue, and when the movable block 2 and the stop block 3 are of an integrally formed structure, the step is omitted; then the movable block 2 is installed in a matching manner with the fixed block 14, at the moment, the stop block 3 is located on the top surface of the fixed block 14, the bolt 40 is taken, one end of the bolt 40 sequentially penetrates through the second through hole 20 on the movable block 2 and the first through hole 12 on the fixed block 14 to be arranged in the groove 11, the spring 41 is sleeved on the bolt 40, then the nut 42 is screwed on the bolt 40 and compresses the spring 41 to a certain degree, at the moment, under the acting force of the spring 41, the other end of the bolt 40 tightly abuts against the movable block 2, so that the stop block 3 connected with the movable block 2 is subjected to large tensile force, and the jig is fixed on automatic optical testing equipment through a fastener. When clamping the panel, see fig. 5, the stop 3 is pushed outwards, the bolt connected to the movable block 2 moves outwards at this time, and the spring 41 is further compressed, so that the distance between two opposite stops is larger than the size of the panel, the panel is placed in the clamping area formed by enclosing the plurality of stops, the stops are released, and the panel is tightly clamped by the stop blocks 32 on the plurality of stops 3.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood that the invention is not limited thereto, and that various modifications and changes can be made by those skilled in the art without departing from the principles of the invention.

Claims

1. The utility model provides an elasticity centre gripping tool which characterized in that includes:

a base; and

2. The elastic clamping jig of claim 1, wherein a groove is formed on one surface of the base, a movable groove structure is formed on the other opposite surface of the base, a first through hole communicated with the groove is formed in a side wall of the movable groove structure, a second through hole corresponding to the first through hole is formed in a side wall of the clamping structure, and the elastic connecting part penetrates through the second through hole and the first through hole to connect the clamping structure with the base.

3. The elastic clamping jig of claim 2, wherein the movable groove structure comprises a movable groove arranged on the base and a fixed block arranged in the movable groove and forming a step surface with the other surface of the base, L-shaped grooves are symmetrically arranged on two sides of the fixed block, a clamping groove is arranged in the middle of the fixed block, the first through hole is arranged at the bottom of the clamping groove, and the groove is communicated with the clamping groove through the first through hole;

4. The elastic clamping jig of claim 3, wherein the clamping structure comprises a movable block matched with the movable groove structure in shape and a stop block connected with the movable block and used for clamping an object to be detected, the movable block comprises the L-shaped sliding block and the clamping block, the stop block extends out of the base, a height difference is formed between the bottom surface of the stop block and the bottom surface of the movable block, the height difference is equal to the thickness of the fixed block, and when the movable block and the fixed block are installed in a matched mode, the stop block is located on the fixed block.

5. The elastic clamping jig of claim 4, wherein a U-shaped groove is formed in the movable block towards the top of the side face of the stop block, the stop block comprises a base block arranged in the movable groove structure, a U-shaped block arranged on the base block and matched with the U-shaped groove, and a stop block arranged on the base block and used for clamping an object to be detected, and the U-shaped groove of the movable block is bonded with the U-shaped block of the stop block through an adhesive.

6. The elastic clamping fixture of claim 1, comprising at least one set of clamping structures disposed opposite to each other.

7. The elastic clamping jig of claim 4, wherein the stopper is perpendicular to the base or is disposed obliquely toward the clamping direction.

8. The elastic clamping fixture of claim 4, wherein the movable block and the stop block are integrally formed.

9. The elastic clamping jig of claim 2, wherein the elastic connection member comprises a bolt passing through the second through hole and the first through hole in sequence, a spring sleeved on the bolt, and a nut screwed on the bolt and used for limiting the spring, one end of the spring is connected with the side wall of the groove, and the other end of the spring is connected with the nut.

10. A test apparatus comprising the elastic holding jig according to any one of claims 1 to 9.