CN212693198U

CN212693198U - A crimping device for display module assembly

Info

Publication number: CN212693198U
Application number: CN202020984869.5U
Authority: CN
Inventors: 吴阁
Original assignee: Suzhou HYC Technology Co Ltd
Current assignee: Suzhou HYC Technology Co Ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-03-12
Anticipated expiration: 2030-06-02

Abstract

The embodiment of the utility model discloses a crimping device for a display module, which comprises a pressure head component and a bracket; the support comprises a vertical part and a flat part, and the pressure head assembly is suspended on the flat part through a tension spring; the device also comprises a pressure spring positioned between the pressure head assembly and the flat straight part and an adjusting bolt positioned on the flat straight part; the top end of the pressure spring is fixed with the straight portion, and the bottom end of the pressure spring is fixed at the upper end of the pressure head assembly; the crimping device is configured to adjust the compression amount of the pressure spring through an adjusting bolt so as to adjust the acting force applied to the display module by the pressure head assembly. The crimping device provided by the embodiment can realize real-time adjustment of the acting force applied to the display module by the pressure head assembly, can adjust at any time according to different working condition pressures, does not need to prepare additional replacement materials, and saves the cost; and the adjusting mode is simple and convenient, and the operation efficiency can be effectively improved.

Description

A crimping device for display module assembly

Technical Field

The utility model relates to a display module assembly detects technical field, especially relates to a crimping device for display module assembly.

Background

The display module is used as an important component of most of the existing electronic equipment, and the display module needs to be subjected to lighting tests before leaving a factory, wherein the lighting tests comprise parameter tests of chromaticity, brightness, flicker degree, stress condition, pressure and the like.

Wherein, adopt crimping device to carry out pressure test to display module assembly usually among the prior art, wherein, when facing the influence of the different pressure of needs test to display module assembly, usual pressure control mode mainly divide into two kinds: one is to adopt a pressure sensor, and the pressure sensor can feed back the pressure acting on the display module in real time; the second is to use a self-weight block of a certain weight to achieve a rated pressure depression. With the development of new technology and new technology, higher requirements are made on the stability and accuracy of pressure control, and the two pressure regulation modes in the prior art are difficult to meet the market demands. Specifically, the two pressure control methods have the following problems: firstly, electrical components such as a pressure sensor and the like cannot be normally used under certain special working condition environments; second, to the pressure control mode that adopts from the pouring weight, when the operating mode to the operating mode that has the different operating mode pressure of multiunit, generally need prepare the multiunit from the weight piece, need frequently change from the pouring weight many times moreover, can lead to the waste of material and change inconvenient, the work efficiency low scheduling problem. That is to say, when facing the special environment that pressure sensor can't use but require pressure to satisfy different operating modes again, there are the too high cost in the pressure control mode among the prior art, and the material is extravagant, the operation process is loaded down with trivial details, change inconvenient and operating efficiency low scheduling problem.

Therefore, in order to overcome the technical defects of the prior art, a new crimping device for a display module needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crimping device for display module assembly to solve at least one in the problem that prior art exists.

In order to achieve one of the above objects, the present invention provides a crimping apparatus for a display module, including a pressing head assembly and a bracket; the support comprises a vertical part and a flat part, and the pressure head assembly is suspended on the flat part through a tension spring; the crimping device also comprises a pressure spring positioned between the pressure head assembly and the straight part and an adjusting bolt positioned on the straight part; the top end of the pressure spring is fixed with the straight portion, and the bottom end of the pressure spring is fixed at the upper end of the pressure head assembly; the crimping device is configured to adjust the compression amount of the pressure spring through an adjusting bolt so as to adjust the acting force applied to the display module by the pressure head assembly.

Optionally, the pressure head assembly comprises a pressure head fixing frame and a pressure head located on the pressure head fixing frame, and the bottom end of the pressure spring is fixed on the pressure head fixing frame; the pressure head fixing frame is fixedly combined with the vertical part of the support through a first guide piece.

Optionally, the bracket further comprises a limiting part located at one end of the vertical part far away from the straight part, and the limiting part is configured to limit the separation of the pressure head fixing frame from the lower end of the vertical part of the bracket.

Optionally, the tension spring is fixed on the straight portion of the bracket by a fixing member.

Optionally, the crimping device includes at least two tension springs located on two sides of the pressure head assembly and symmetrically configured.

Optionally, the crimping device further comprises a support frame and a driving member; a second guide piece with the extending direction being the crimping direction of the pressure head assembly is arranged between the support and the support frame; the bracket is configured to move along the extending direction of the second guide under the action of a driving piece.

Optionally, the second guiding element includes a fixed portion fixed on the supporting frame in a combined manner, and a moving portion capable of moving on the fixed portion along the extending direction of the second guiding element, and the vertical portion of the bracket is fixed on the moving portion in a combined manner.

Optionally, the driving member is located above the vertical portion of the bracket, and the driving member includes a cylinder and a floating joint located between the cylinder and the vertical portion and corresponding to the top end of the vertical portion.

Optionally, the outer wall of the adjusting bolt comprises a scale.

The utility model has the advantages as follows:

the utility model provides a crimping device for display module assembly to the problem that exists among the prior art at present, adjust the effort that pressure head subassembly applied to the display module assembly through the compression volume of adjusting bolt pressure spring to realize that the effort that pressure head subassembly applied to the display module assembly is adjustable in real time, can adjust at any time according to different operating mode pressures, need not extra preparation replacement material, practice thrift the cost; and the adjusting mode is simple and convenient, and the operation efficiency can be effectively improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a front view of a crimping apparatus according to an embodiment of the present invention.

Fig. 2 is a side view showing a structure of a crimping apparatus according to an embodiment of the present invention.

Fig. 3 is a force analysis diagram of the indenter of the crimping apparatus according to the embodiment of the present invention.

Detailed Description

In order to explain the present invention more clearly, the present invention will be further described with reference to the preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

In view of the technical problems in the prior art, the present invention provides a crimping apparatus for a display module, as shown in fig. 1-3, the crimping apparatus includes a pressure head assembly 10 and a bracket 20; the bracket 20 comprises a vertical part 21 and a straight part 22, and the pressure head assembly 10 is suspended on the straight part 22 through a tension spring 30; the crimping device further comprises a compression spring 40 positioned between the ram assembly 10 and the flat portion 22 and an adjusting bolt 50 positioned on the flat portion 22; in a specific embodiment, the outer wall of the adjusting bolt comprises a scale. The top end of the pressure spring 40 is fixed with the straight portion 22, and the bottom end of the pressure spring 40 is fixed at the upper end of the pressure head assembly 10; the crimping device is configured to adjust the compression amount of the pressure spring through an adjusting bolt so as to adjust the acting force applied to the display module by the pressure head assembly.

The utility model provides a when crimping device tests display module assembly in specific embodiment, as shown in fig. 1-2, earlier pressure head subassembly 10 and display module assembly butt, the one end of pressure head subassembly 10 is kept away from to fixed adjusting bolt 50, through rotatory adjusting bolt 50, make support 20 upwards or move down, thereby drive straight portion 22 upwards or move down, upward movement or the downward movement through straight portion 22, and pressure head subassembly 10 butt is on display module assembly, thereby draw or compress the pressure spring 40 that lies in between straight portion 22 and pressure head subassembly 10, thereby utilize the compressive capacity of pressure spring 40 to adjust pressure head subassembly 10 and apply the effort in display module assembly. In one embodiment, the adjusting bolt and the straight portion may be threaded or other means known in the art that can be used to adjust the movement of the bracket by rotating the adjusting bolt.

Fig. 3 shows a force condition analysis diagram of the ram assembly of the crimping apparatus. As shown in fig. 3, F1 is the elastic force of the pressure spring on the pressure head assembly; f2 is the pulling force of the tension spring to the pressure head component; g is the gravity of the pressure head assembly; fx is the reaction force of the display module on the pressure head assembly; the sum of the reaction force Fx of the display module on the pressure head assembly and the pulling force F2 of the tension spring on the pressure head assembly is equal to the sum of the gravity G of the pressure head assembly and the elastic force F1 of the pressure spring on the pressure head assembly. Understandably, under natural state, the extension spring is used for overcoming pressure head subassembly self gravity to pressure head subassembly's pulling force, consequently, when pressure head subassembly was located the same position, the extension spring was the same with pressure head subassembly self gravity to pressure head subassembly's pulling force, and the pressure spring is the same with display module assembly to pressure head subassembly's reaction force Fx to pressure head subassembly's elasticity F1, consequently, through the compression volume of adjusting the pressure spring to adjust the pressure spring to pressure head subassembly's elasticity, and then adjustable pressure head subassembly was exerted the effort in display module assembly.

The crimping device provided in the embodiment adjusts the compression amount of the compression spring through the adjusting bolt so as to adjust the acting force applied to the display module by the pressure head assembly, so that the acting force applied to the display module by the pressure head assembly can be adjusted in real time, the adjustment can be carried out at any time according to different working condition pressures, additional preparation for replacing materials is not needed, and the cost is saved; and the adjusting mode is simple and convenient, and the operation efficiency can be effectively improved.

In a specific embodiment, the pressure head assembly comprises a pressure head fixing frame 11 and a pressure head 12 positioned on the pressure head fixing frame 11, and the bottom end of the pressure spring 40 is fixed on the pressure head fixing frame 11; the indenter holder 11 is coupled and fixed to the vertical portion 21 of the bracket 20 by a first guide 60. As shown in fig. 1-2, the first guide 60 includes a first fixing portion 61 coupled to the vertical portion 21, and a first moving portion 62 movable on the first fixing portion 61 along the extending direction of the vertical portion 21 of the bracket 20, and the indenter holder 11 is coupled and fixed to the first moving portion 62. When the adjusting bolt 50 is rotated so that the bracket 20 moves downward, the straight portion 22 and the vertical portion 21 both move downward while the ram assembly 10 abuts on the display module, i.e., the ram holder 11 is not in position, and the ram holder 11 and the first moving portion 62 move upward relative to the first fixing portion 61 in the extending direction of the vertical portion 21. The vertical portion that will press head mount and support combines fixedly through first guide, not only can further fix the pressure head subassembly, ensures moreover that the position of pressure head subassembly can not take place crooked, and then the crooked condition appears when avoiding the compression of pressure spring or tensile, can adjust the compression degree of pressure spring firmly.

In a specific embodiment, as shown in fig. 1-2, the bracket 20 further includes a limiting portion 23 located at an end of the vertical portion 21 away from the straight portion 22, and the limiting portion 23 is configured to limit the separation of the indenter holder 11 from the lower end of the vertical portion 21 of the bracket. That is, when the vertical portion 21 of the bracket moves downward, the indenter holder 11 and the first movable portion 62 move upward relative to the first fixed portion 61, and when the adjustment bolt 50 is rotated to move the bracket 20 upward, the indenter holder 11 and the first movable portion 62 move downward relative to the first fixed portion 61, and the first fixed portion 61 is prevented from being disengaged during the downward movement of the indenter holder 11 and the first movable portion 62 by the limiting portion 23, so that the overall firmness of the structure of the crimping apparatus is improved, and the service life of the crimping apparatus is prolonged.

In a specific embodiment, the tension spring 30 is fixed on the straight portion 22 of the bracket 20 through a fixing member 31, so that the crimping device is more stable, and in an embodiment, the fixing member 31 extends in the same direction as the crimping direction of the ram assembly 10, so that tension and compression of the tension spring are ensured without skewing. In a further specific embodiment, the crimping device comprises at least two tension springs 30 located on both sides of the ram assembly 10 and arranged symmetrically. Through setting up two extension springs of symmetry among this embodiment to make the pressure head subassembly more stable, the position of pressure head subassembly can not appear crooked, and the direction of pressure head crimping can not incline downwards, can adjust the compression degree of pressure spring more firmly simultaneously, the crooked condition can not appear.

In a specific embodiment, the crimping apparatus further includes a support frame 70 and a driving member 80; a second guide 90 extending in the crimping direction of the ram assembly 10 is arranged between the bracket 20 and the supporting frame 70; the carriage 20 is configured to move in the extending direction of the second guide 90 by the driving member 80. Through setting up the second guide, ensure when adjustment bolt for when support downstream, the support removes along the crimping direction of pressure head subassembly, avoids appearing crooked, and then guarantees that the crooked condition can not appear in the compression of pressure spring. In another specific embodiment, the second guiding element 90 includes a second fixing portion 91 fixed on the supporting frame 70, and a second moving portion 92 movable on the second fixing portion 91 along the extending direction of the second guiding element 90, and the vertical portion 21 of the bracket 20 is fixed on the second moving portion 92. In a further specific embodiment, the driving member 80 is located above the vertical portion 21 of the bracket 20, and the driving member 80 includes a cylinder 81 and a floating joint 82 between the cylinder 81 and the vertical portion 21 corresponding to a top end of the vertical portion 21. This floating joint can effectively eliminate the error between cylinder body and the vertical portion, and protection cylinder body and vertical portion ensure cylinder body and vertical portion even running, extension crimping device's life.

It should be understood by those skilled in the art that several embodiments described above may also be freely combined, for example, the crimping apparatus may also include at least two symmetrical tension springs, a fixing frame and a driving member, and the crimping apparatus also includes a pressing head, a pressing head fixing frame and a limiting portion. The utility model discloses do not do any restriction to this.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.

Claims

1. The utility model provides a crimping device for display module assembly which characterized in that includes:

the pressure head assembly and the support;

the support comprises a vertical part and a flat part, and the pressure head assembly is suspended on the flat part through a tension spring;

the crimping device also comprises a pressure spring positioned between the pressure head assembly and the straight part and an adjusting bolt positioned on the straight part;

the top end of the pressure spring is fixed with the straight portion, and the bottom end of the pressure spring is fixed at the upper end of the pressure head assembly;

the crimping device is configured to adjust the compression amount of the pressure spring through an adjusting bolt so as to adjust the acting force applied to the display module by the pressure head assembly.

2. The crimping device of claim 1, wherein the pressure head assembly comprises a pressure head holder and a pressure head positioned on the pressure head holder, and a bottom end of the pressure spring is fixed on the pressure head holder;

the pressure head fixing frame is fixedly combined with the vertical part of the support through a first guide piece.

3. The crimping apparatus according to claim 2, wherein the bracket further comprises a stopper portion at an end of the vertical portion remote from the straight portion, the stopper portion being configured to restrict the ram holder from being disengaged from a lower end of the vertical portion of the bracket.

4. The crimping device of claim 1, wherein the tension spring is secured to the straight portion of the bracket by a securing member.

5. The crimping device of claim 4, wherein the crimping device includes at least two tension springs symmetrically disposed on opposite sides of the ram assembly.

6. The crimping device of claim 1, further comprising a support frame and a drive member;

a second guide piece with the extending direction being the crimping direction of the pressure head assembly is arranged between the support and the support frame; the bracket is configured to move along the extending direction of the second guide under the action of a driving piece.

7. The crimping apparatus according to claim 6, wherein the second guide member includes a fixed portion coupled and fixed to the support frame, and a movable portion movable on the fixed portion in an extending direction of the second guide member, and the vertical portion of the bracket is coupled and fixed to the movable portion.

8. The crimping device of claim 6, wherein the drive member is positioned above the vertical portion of the bracket, the drive member including a cylinder and a floating joint between the cylinder and the vertical portion corresponding to a top end of the vertical portion.

9. The crimping apparatus of claim 1, wherein the outer wall of the adjustment bolt includes a scale thereon.