CN111342321B

CN111342321B - Pressure welding device and lighting equipment

Info

Publication number: CN111342321B
Application number: CN202010130337.XA
Authority: CN
Inventors: 信鑫; 邓洋洋; 崔小龙; 刘元; 李楠
Original assignee: BOE Technology Group Co Ltd; Chengdu BOE Optoelectronics Technology Co Ltd
Current assignee: BOE Technology Group Co Ltd; Chengdu BOE Optoelectronics Technology Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2021-05-07
Anticipated expiration: 2040-02-28
Also published as: CN111342321A

Abstract

The present disclosure provides a crimping device, the crimping device includes drive assembly, installation component and a plurality of crimping subassembly, the crimping subassembly sets up on the installation component, the installation component sets up on the drive assembly, just the installation component is located the drive assembly with between the crimping subassembly, the crimping subassembly has the crimping face, the drive assembly is used for through the installation component drives the crimping subassembly carries out the operation of pressing, at least one the crimping subassembly can move on the installation component to change the distance between this crimping subassembly and other crimping subassemblies. The present disclosure also provides a lighting device, which can reduce the resource waste in the lighting test process of the display panel by using the compression joint device.

Description

Pressure welding device and lighting equipment

Technical Field

The present disclosure relates to the field of test equipment for display devices, and in particular, to a crimping device and a lighting apparatus including the same.

Background

After the display panel is manufactured, a lighting test needs to be performed on the display panel to judge whether the display panel is good. When a lighting test is carried out, a pressure welding device is needed, and a signal source for the test is pressed together with a signal input end of a display panel by the pressure welding device so as to provide a test signal for the display panel by the signal source.

The specific size of the crimping device is limited by the size of the display panel, and the display equipment is fast updated, so that the display panel is fast updated, and a new crimping device needs to be produced to meet the test requirement of a display panel with a new model, so that the waste of a large degree is caused.

Disclosure of Invention

An object of the present disclosure is to provide a crimping device and a lighting apparatus to reduce resource waste caused in a lighting test process of a display panel.

In order to achieve the above object, as one aspect of the present disclosure, there is provided a crimping apparatus including a driving assembly, a mounting assembly, and a plurality of crimping assemblies, the crimping assembly being disposed on the mounting assembly, the mounting assembly being disposed on the driving assembly, and the mounting assembly being located between the driving assembly and the crimping assembly, the crimping assembly having a crimping surface, the driving assembly being configured to drive the crimping assemblies to perform a pressing operation through the mounting assembly, wherein at least one of the crimping assemblies is movable on the mounting assembly to change a distance between the crimping assembly and the other crimping assemblies.

Optionally, the mounting assembly comprises a housing and a plurality of transmission mechanisms, each of the transmission mechanisms having one of the crimping assemblies disposed thereon,

the operation portion of the transmission mechanism penetrates through the shell and is located outside the shell, the execution portion of the transmission mechanism is located inside the shell, the pressing connection assembly corresponding to the transmission mechanism is arranged on the execution portion and is located outside the shell, and the transmission mechanism is arranged to operate the execution portion through utilizing the operation portion to drive the pressing connection assembly arranged on the execution portion to move.

Optionally, the transmission mechanism includes a lead screw and a lead screw nut, one end of the lead screw is located inside the housing, the other end of the lead screw is located outside the housing and forms an operation portion of the transmission mechanism, a portion of the lead screw located inside the housing and the lead screw nut jointly form the execution portion, the lead screw can rotate around its axis, the lead screw is fixed along the axial direction, the crimping assembly is disposed on the lead screw nut, and the crimping assembly can prevent the lead screw nut from rotating around the axis of the lead screw.

Optionally, the crimping device includes two crimping assemblies, and two lead screws respectively corresponding to the two crimping assemblies are coaxially disposed.

Optionally, the mounting assembly further comprises a plurality of limiting mechanisms arranged in the housing, the plurality of limiting mechanisms correspond to the plurality of transmission mechanisms one by one,

the limiting mechanism comprises a limiting ring and a limiting bearing, the limiting ring is fixed inside the shell, the limiting bearing is fixedly arranged in the limiting ring, the outer ring of the limiting bearing is fixedly connected with the limiting ring, and one end of the lead screw, which is located inside the shell, is arranged in the inner ring of the limiting bearing and is in interference fit with the inner ring of the limiting bearing.

Optionally, the mounting assembly further comprises a plurality of operating mechanisms in one-to-one correspondence with the transmission mechanisms, each operating mechanism comprises a gear and a gear ring, the gears are arranged on the operating portions, and the gear rings are sleeved outside the gears and meshed with the gears.

Optionally, the housing includes a top plate, a bottom plate, a front plate, a back plate and two end plates, the top plate and the bottom plate are disposed opposite to each other, the two end plates are disposed at two ends of the top plate respectively, the end plates are connected to the top plate and the bottom plate, the front plate and the back plate are disposed at two sides of the top plate respectively, the front plate is connected to the top plate and the bottom plate, and the back plate is connected to the top plate and the bottom plate;

the crimping subassembly includes slider and crimping piece, be provided with the through-hole on the slider, just the front bezel passes the through-hole, so that the slider cover is established on the front bezel, slider and corresponding screw nut fixed connection, crimping piece detachably fixes on the slider, and be located the outside of casing.

Optionally, the front plate is provided with scale marks.

Optionally, the mounting assembly further comprises a buffer mechanism, and the mounting assembly is connected with the driving assembly through the buffer mechanism.

As a second aspect of the present disclosure, there is provided a lighting device, including a holder having a carrying surface for carrying a display panel, and a pressing device, wherein the pressing device is the above pressing device provided in the present disclosure, and the driving component can drive the pressing component to move so that the pressing surface moves toward or away from the carrying surface.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic diagram of an embodiment of a lighting device provided by the present disclosure;

FIG. 2 is a schematic view of an assembly of a mounting assembly and a crimping assembly in one embodiment of a crimping apparatus provided by the present disclosure;

FIG. 3 is a sectional view showing the internal structure of the housing of the mounting assembly;

FIG. 4 is an exploded plan view schematic diagram showing various parts of the mounting assembly and crimping assembly;

figure 5 is an exploded perspective view showing the various parts of the mounting assembly and crimping assembly.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

As a first aspect of the present disclosure, a crimping apparatus is provided, as shown in fig. 1 and 2, including a drive assembly 110, a mounting assembly 120, and a plurality of crimping assemblies 130. Crimping assembly 130 is disposed on mounting assembly 120, mounting assembly 120 is disposed on drive assembly 110, and mounting assembly 120 is positioned between drive assembly 110 and crimping assembly 130, crimping assembly 130 having a crimping face a. The driving assembly 110 is used for driving the crimping assembly 130 to perform a pressing operation through the mounting assembly 120. Wherein at least one crimp assembly is movable on the mounting assembly 120 to vary the distance between the crimp assembly and the other crimp assembly (i.e., the distance in the left-right direction in figures 1 and 2).

The present disclosure provides for a crimping apparatus wherein there is at least one adjustable position crimping assembly 130, and by adjusting the position of the crimping assembly 130, the distance between the crimping assemblies can be varied. The crimping device is applied to lighting equipment, and can test various display panels of different models by adjusting the distance between the crimping components. In other words, different models of display panels can be lighting-up tested using the same lighting device, thereby reducing the overall cost of manufacturing the display panels.

It should be noted that the lighting device including the pressing device further includes a carrying platform 200, the carrying surface of the carrying platform 200 is provided with a display panel 300, the pressing device is located above the display panel 300, and the driving assembly 110 can drive the mounting assembly 120 and the pressing assembly 130 to move toward the display panel 300 along a pressing direction (downward arrow in fig. 1) to complete the pressing.

In the present disclosure, the specific structure of the mounting assembly 120 is not particularly limited as long as the crimping assembly 130 can be provided and the mounting assembly 120 can be fixedly connected with the driving assembly 110.

As an alternative embodiment of the present disclosure, as shown in fig. 2 and 3, the mounting assembly 120 includes a housing 121 and a plurality of actuators 122, each actuator 122 having a crimp assembly 130 disposed thereon.

The operating portion 122a of the transmission mechanism 122 passes through the housing 121 and is located outside the housing 121, the actuating portion 122b of the transmission mechanism 122 is located inside the housing 121, the actuating portion 122b is provided with the crimping component 130 corresponding to the transmission mechanism 122, the crimping component 130 is located outside the housing 121, and the transmission mechanism 122 is configured to move the crimping component 130 provided on the actuating portion 122b by operating the actuating portion 122b through the operating portion 122 a.

In this embodiment, the movement of the crimping assembly 130 can be achieved by providing the transmission mechanism 122, and the transmission mechanism 122 can be protected by providing the housing 121.

In the present disclosure, the specific structure of the transmission mechanism 122 is not particularly limited. As an alternative embodiment, the transmission 122 may comprise a piston cylinder. The piston cylinder can be a pneumatic cylinder or a hydraulic cylinder.

In order to simplify the structure of the transmission mechanism and facilitate the operation of the operator, optionally, as shown in fig. 3, the transmission mechanism 122 includes a lead screw and a lead screw nut, one end of the lead screw is located inside the housing, the other end of the lead screw is located outside the housing and is formed as an operation portion 122a of the transmission mechanism, a portion of the lead screw located inside the housing and the lead screw nut jointly form an execution portion 122b, the lead screw can rotate around its axis, and the position of the lead screw in the axial direction is fixed, the crimping assembly 130 is disposed on the lead screw nut, and the crimping assembly can prevent the lead screw nut from rotating around the axis of the lead screw.

In the present disclosure, the screw can rotate integrally by rotating the operation portion 122a, and since the screw nut cannot rotate but can only move linearly, the crimping assembly 130 can be driven to move along the axis of the screw.

In the present disclosure, the specific structure of the lead screw assembly formed by the lead screw and the lead screw nut is not particularly limited. For ease of operation, the screw assembly may optionally be a ball screw.

The specific number of crimp assemblies 130 is also not particularly limited in this disclosure. In the particular embodiment shown in fig. 1 and 2, two crimping assemblies 130 are provided on the crimping apparatus. In the embodiment shown in fig. 1 and 2, both crimping assemblies 130 are movably provided, accordingly, as shown in fig. 3, two transmission mechanisms 122 need to be provided, and, for convenience of arrangement, two lead screws corresponding to the two crimping assemblies 130 are coaxially provided.

As described above, the position of the lead screw of the transmission mechanism 122 in the axial direction is fixed, and accordingly, as shown in fig. 3, the mounting assembly 120 may further include a plurality of limiting mechanisms 123 disposed in the housing 121, where the plurality of limiting mechanisms 123 correspond to the plurality of transmission mechanisms 122 one to one.

Specifically, the limiting mechanism 123 includes a limiting ring 123a and a limiting bearing 123b, the limiting ring 123a is fixed inside the housing, the limiting bearing 123b is fixedly disposed in the limiting ring 123a, an outer ring of the limiting bearing 123b is fixedly connected to the limiting ring 123a, and one end of the lead screw, which is located inside the housing 121, is disposed in an inner ring of the limiting bearing 123b and is in interference fit with the inner ring of the limiting bearing 123 b.

The limiting mechanism 123 can limit the movement of the lead screw in the axial direction and can ensure the free rotation of the lead screw.

In order to facilitate the operation of the lead screw and the rotation of the lead screw, optionally, as shown in fig. 3 to 5, the mounting assembly 120 may further include a plurality of operating mechanisms 124 corresponding to the transmission mechanisms 122 one by one, where the operating mechanisms 124 include a gear 124a and a gear ring 124b, the gear 124a is disposed on the operating portion 122a, and the gear ring 124b is sleeved outside the gear 124a and meshed with the gear 124 a. When the operator twists the gear ring 124a, the gear 124a can be driven to rotate, and the lead screw can be driven to rotate.

In addition to facilitating operation, providing an operating mechanism that includes gear 124a and gear ring 124b facilitates calculating the position at which crimp assembly 130 is moved.

Specifically, assuming that the distance between two adjacent crimping assemblies 130 is S1, and the tooth ring 124b clockwise adjusts the number of teeth N, the adjusted distance between the crimping assemblies satisfies the following equation (1):

S2＝S1+N*f/Z (1)

wherein f is the screw pitch of the lead screw;

z is the number of teeth of the gear ring;

s2 is adjusting the distance between the crimping assemblies.

In the present disclosure, how to fix the gear 124a to the lead screw is not particularly limited, and for example, the gear 124a may be fixedly disposed on the lead screw by a key connection.

In the present disclosure, a specific structure of the housing 121 is not particularly limited, for example, the housing 121 may be a rectangular parallelepiped box, and specifically, as shown in fig. 5, the housing 121 includes a top plate 121a, a bottom plate 121b, a front plate 121c, a rear plate 121d, and two end plates 121 e. The top plate 121a and the bottom plate 121b are oppositely disposed, two end plates 121e are respectively disposed at two ends of the top plate 121a, the end plates 121e connect the top plate 121a and the bottom plate 121b, the front plate 121c and the rear plate 121d are respectively located at two sides of the top plate 121a, the front plate 121c connects the top plate 121a and the bottom plate 121b, and the rear plate 121d connects the top plate 121a and the bottom plate 121 b.

Accordingly, the crimping assembly 130 includes a slider 131 and a crimping member 132, the slider 131 is provided with a through hole 131a, the front plate 121c passes through the through hole 131a, so that the slider sleeve 131 is sleeved on the front plate 121c, the slider 131 is fixedly connected with the corresponding screw nut, and the crimping member 132 is fixed on the slider 131 and located outside the housing 121.

When the screw nut moves, the slider 131 can be driven to move, so that the crimping member 132 can be driven to move.

For maintenance, as an alternative embodiment, the crimping member 132 is detachably fixed to the slider 131. When the crimping temperature is too high or the crimping members 132 are damaged due to other improper operations, the damaged crimping members 132 may be removed from the sliders 131 and replaced with new ones.

As an alternative, the crimp 132 may be fixed to the slider 131 by a screw connection.

To facilitate assembly of the transmission mechanism 122, the limiting mechanism 123, and the slider 131, optionally, the front plate 121c is detachably connected to the top plate 121a and the bottom plate 121 b. As an alternative embodiment, the front plate 121c may be coupled with the top plate 121a and the bottom plate 121b by screw fasteners.

To precisely control the distance traveled by the crimping assembly 130, optionally, as shown, the front plate 121c is provided with graduations.

To facilitate operator reading, the scale at the midpoint of the length of the front plate 121c may be a 0 scale.

In order to avoid damage to the panel to be tested due to excessive impact force during lighting operation, the mounting assembly 120 may further include a buffer mechanism 125, and the mounting assembly 120 is connected to the driving assembly 110 through the buffer mechanism 125.

In the present disclosure, the specific structure of the buffer mechanism 125 is also not particularly limited, and for example, as shown in fig. 3 to 5, the buffer mechanism 125 includes a connection plate 125a, a connection bolt 125b, and a buffer 125 c. The connection plate 125a is provided with connection screw holes corresponding to the connection bolts 125b one to one, the connection bolts 125b are engaged with the connection screw holes, and the buffer 125c is disposed at one end of the connection bolt 125b facing the housing 121.

In the present disclosure, a specific structure of the buffer 125c is not particularly limited, and in the embodiment shown in fig. 3 to 5, the buffer 125c is a spring.

One end of the connecting bolt 125b is connected to the driving assembly 110, and the buffer member 125c may play a role of buffering when performing a crimping operation, so that it may be possible to prevent a crimping area on the display panel from being excessively stressed. Further, the buffer mechanism 125 may be provided to adjust the position of the entire pressure contact device in the horizontal direction when the pressure contact level is deviated.

Further, since the buffer mechanism 125 is provided, the pressure bonding apparatus is particularly suitable for an application in which a lighting test is performed on a flexible panel.

As a second aspect of the present disclosure, there is provided a lighting device, as shown in fig. 1, the lighting device includes a carrier 200 and a pressing device, the carrier 200 has a carrying surface for carrying the display panel 300, wherein the pressing device is the above-mentioned pressing device provided in the present disclosure, and the driving assembly 110 can drive the pressing assembly 130 to move, so that the pressing surface a moves towards or away from the carrying surface.

Through adjusting the distance between the crimping subassembly, can realize testing the display panel of multiple different models. In other words, different models of display panels can be lighting-up tested using the same lighting device, thereby reducing the overall cost of manufacturing the display panels.

It is to be understood that the above embodiments are merely exemplary embodiments that are employed to illustrate the principles of the present disclosure, and that the present disclosure is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the disclosure, and these are to be considered as the scope of the disclosure.

Claims

1. A crimping device comprising a drive assembly, a mounting assembly and a plurality of crimping assemblies, the crimping assemblies being arranged on the mounting assembly, the mounting assembly being arranged on the drive assembly and the mounting assembly being located between the drive assembly and the crimping assemblies, the crimping assemblies having crimping faces, the drive assembly being adapted to drive the crimping assemblies via the mounting assembly to perform a pressing operation, characterised in that at least one of the crimping assemblies is movable on the mounting assembly to vary the distance between that crimping assembly and the other crimping assemblies;

the mounting assembly comprises a shell and a plurality of transmission mechanisms, each transmission mechanism is provided with one crimping assembly,

2. The crimping device according to claim 1, wherein the transmission mechanism includes a lead screw and a lead screw nut, one end of the lead screw is located inside the housing, the other end of the lead screw is located outside the housing and forms an operation portion of the transmission mechanism, a portion of the lead screw located inside the housing and the lead screw nut together constitute the actuator, the lead screw is rotatable about its axis, and a position of the lead screw in the axial direction is fixed, the crimping assembly is provided on the lead screw nut, and the crimping assembly is capable of preventing the lead screw nut from rotating about the axis of the lead screw.

3. The crimping apparatus of claim 2, wherein the crimping apparatus includes two of the crimping assemblies, and two of the lead screws are coaxially disposed with respect to the two crimping assemblies.

4. The crimping apparatus of claim 2, wherein the mounting assembly further comprises a plurality of limit mechanisms disposed within the housing, the plurality of limit mechanisms corresponding one-to-one with the plurality of drive mechanisms,

5. The crimping apparatus according to claim 2, wherein the mounting assembly further comprises a plurality of operating mechanisms in one-to-one correspondence with the transmission mechanisms, the operating mechanisms including gears provided on the operating portion and ring gears fitted around the outside of the gears and engaged with the gears.

6. The crimping device according to any one of claims 2 to 5, wherein the housing comprises a top plate, a bottom plate, a front plate, a rear plate and two end plates, the top plate and the bottom plate are oppositely arranged, the two end plates are respectively arranged at two ends of the top plate, the end plates are connected with the top plate and the bottom plate, the front plate and the rear plate are respectively arranged at two sides of the top plate, the front plate is connected with the top plate and the bottom plate, and the rear plate is connected with the top plate and the bottom plate;

7. The crimping device of claim 6, wherein the front plate has graduations disposed thereon.

8. The crimping device of any one of claims 1 to 5, wherein the mounting assembly further comprises a dampening mechanism by which the mounting assembly is coupled to the drive assembly.

9. A lighting device comprising a stage having a carrying surface for carrying a display panel and crimping means, characterized in that the crimping means is as claimed in any one of claims 1 to 8, the driving means being capable of moving the crimping means so that the crimping surface moves towards or away from the carrying surface.