CN116787375A - Pressing device - Google Patents

Abstract

The embodiment of the invention discloses a pressing device, which relates to the technical field of liquid crystal screen assembly tools, and comprises a driving device, a material carrying device and a pressing mechanism; the pressing mechanism comprises a pressing plate and a bottom plate, and the material carrying device and the driving device are arranged on the bottom plate; the driving device is connected with the pressing plate to drive the pressing plate to approach/depart from the material loading device; the material loading device comprises a material loading plate and a material loading groove, the material loading groove is arranged on the material loading plate, the material loading groove is provided with a first bulge and a second bulge, and openings of the first bulge and the second bulge are arranged on the same side; the first bulge surrounds the periphery of the second bulge, the height of the first bulge is larger than that of the second bulge, and when the driving device drives the pressing plate to be close to the material loading device, the touch screen on the first bulge and the liquid crystal screen on the second bulge are pressed. The force for pressing the touch screen and the liquid crystal screen through the pressing plate is more uniform, and the fitting effect of the liquid crystal screen assembly is improved.

Description

Pressing device

Technical Field

The invention relates to the technical field of liquid crystal display assembly tools, in particular to a pressing device.

Background

In the existing assembly production process of the liquid crystal display module, manual assembly is adopted, the liquid crystal screen and the touch screen are required to be manually aligned, then the liquid crystal screen and the touch screen are bonded through the foam rubber, and finally the liquid crystal screen and the touch screen are pressed together to enable the foam rubber to be fully attached to the liquid crystal screen and the touch screen, so that the touch display screen is obtained.

The manual assembly touch display screen has the defects of low laminating precision and poor laminating effect caused by human factors, and along with the rapid development of the touch display screen industry, the traditional manual assembly touch display screen method cannot meet the requirement of improving the quality of products.

Disclosure of Invention

The technical problem to be solved by the embodiment of the invention is that the manual assembly of the touch display screen has the defects of low laminating precision and poor laminating effect.

In order to solve the above problems, an embodiment of the present invention discloses a pressing device. The force for pressing the touch screen and the liquid crystal screen through the pressing plate is more uniform, and the fitting effect of the liquid crystal screen assembly is improved.

The invention provides a pressing device, which comprises a driving device, a material carrying device and a pressing mechanism, wherein the driving device is used for driving the material carrying device to carry out pressing; the pressing mechanism comprises a pressing plate and a bottom plate, and the material carrying device and the driving device are arranged on the bottom plate; the driving device is connected with the pressing plate to drive the pressing plate to be close to/far away from the material carrying device; the material loading device comprises a material loading plate and a material loading groove, wherein the material loading groove is arranged on the material loading plate, the material loading groove is provided with a first bulge and a second bulge, and openings of the first bulge and the second bulge are arranged on the same side; the first bulge is arranged around the second bulge, the height of the first bulge is larger than that of the second bulge, and the driving device drives the pressing plate to press the touch screen on the first bulge and the liquid crystal screen on the second bulge when the pressing plate is close to the material carrying device.

The positioning mechanism comprises a positioning block and a plurality of positioning holes, the positioning holes are arranged on the positioning block, and the fixing columns penetrate through the positioning holes to enter the fixing holes so as to fix the connection of the positioning block to the bottom plate.

The further technical scheme is that the material carrying device further comprises a plurality of grooves, wherein the grooves are communicated with the material carrying groove and are arranged around the first protrusion.

The first protrusion and the second protrusion are integrally formed.

The control device is connected with the starting button, the stopping button and the driving device respectively.

The further technical scheme is that the starting buttons are respectively arranged on two sides above the bottom plate, and signals are sent to the control device when the two starting buttons are pressed down.

The further technical scheme is that the device further comprises a bracket, wherein the bracket is fixed on the bottom plate, and the driving device and the control device are both fixed on the bracket.

The further technical scheme is that the device further comprises a start indicator lamp and a stop indicator lamp, wherein the control device is respectively connected with the start indicator lamp and the stop indicator lamp, and the start indicator lamp and the stop indicator lamp are arranged on the bottom plate.

The further technical scheme is that the driving device is an air cylinder.

The further technical scheme is that the bottom surface of the bottom plate is provided with a plurality of foot pads.

Compared with the prior art, the technical effects achieved by the embodiment of the invention include:

the liquid crystal screen and the touch screen are placed through the first bulge and the second bulge which are arranged on the carrying groove, and the alignment work of the liquid crystal screen and the touch screen can be rapidly completed. The contour enclosed by the first bulge surface and the material carrying groove forms a groove body for placing the touch screen to coincide with the contour of the touch screen, and the contour enclosed by the second bulge surface and the first bulge forms a groove body for placing the liquid crystal screen to coincide with the contour of the liquid crystal screen, so that the alignment accuracy of the liquid crystal screen and the touch screen is greatly improved, and the problem of reduced alignment accuracy caused by manual alignment is solved. The area on the surface of the pressing plate is larger than that on the surface of the touch screen, when the pressing plate contacts and presses the touch screen, the pressing force of the pressing plate on the touch screen is uniform, the foam rubber between the liquid crystal screen and the touch screen can uniformly improve the activation rate, and then the bonding of the liquid crystal screen and the touch screen is more uniform, and the obtained touch display screen is higher in quality and more standard and uniform in product quality in the same batch.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a pressing device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a pressing device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a pressing device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a pressing device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a pressing device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a pressing device according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a material loading device according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a material loading device according to an embodiment of the present invention.

Reference numerals

The driving device 1, the material carrying device 2, the pressing mechanism 3, the pressing plate 31, the bottom plate 32, the material carrying plate 21, the material carrying groove 22, the first protrusion 221, the second protrusion 222, the positioning mechanism 4, the fixed column 5, the fixed hole 321, the positioning block 41, the positioning hole 42, the groove 23, the control device 6, the starting button 7, the stopping button 8, the bracket 9, the starting indicator lamp 101, the stopping indicator lamp 102 and the foot pad 103.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, in which like reference numerals represent like components. It will be apparent that the embodiments described below are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the invention. As used in the specification of the embodiments of the invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Referring to fig. 1-8, an embodiment of the present invention provides a pressing device. The pressing device comprises a driving device 1, a material carrying device 2 and a pressing mechanism 3. The specific description of each component is as follows:

in this embodiment, the pressing mechanism 3 includes a pressing plate 31 and a bottom plate 32, and the material carrying device 2 and the driving device 1 are both disposed on the bottom plate 32; the driving device 1 is connected with the pressing plate 31 to drive the pressing plate 31 to approach/depart from the material carrying device 2; the material carrying device 2 comprises a material carrying plate 21 and a material carrying groove 22, wherein the material carrying groove 22 is arranged on the material carrying plate 21, the material carrying groove 22 is provided with a first protrusion 221 and a second protrusion 222, and openings of the first protrusion 221 and the second protrusion 222 are arranged on the same side; the first protrusion 221 surrounds the second protrusion 222, and the height of the first protrusion 221 is greater than that of the second protrusion 222, where the driving device 1 drives the pressing plate 31 to press the touch screen on the first protrusion 221 and the liquid crystal screen on the second protrusion 222 when the pressing plate is close to the material carrying device 2.

Specifically, the bottom plate 32 is used for installing and fixing the driving device 1 and the material carrying device 2, and the parts are connected by adopting socket head cap screws and threaded holes. The surface of the pressing plate 31 is smooth and flat, the pressing plate is contacted with the surface of the touch screen in pressing work, foam glue between the touch screen and the liquid crystal screen is extruded, and the contact surface area of the pressing plate 31 and the touch screen is larger than the contact surface area of the touch screen. The driving device 1 refers to a device capable of outputting mechanical energy after receiving an electrical signal, the driving device 1 is connected with the pressing plate 31, and the outputted mechanical energy acts on the pressing plate 31 to press the touch screen on the first protrusion 221 and the liquid crystal screen on the second protrusion 222, so that the liquid crystal screen and the touch screen are pressed together, and the foam rubber is fully attached to the liquid crystal screen and the touch screen. The first protrusion 221 and the second protrusion 222 are both u-shaped structures, and are both disposed on the bottom surface of the carrier groove 22. The height of the first protrusion 221 is smaller than the depth of the carrier groove 22, so that the surface of the first protrusion 221 and the contour enclosed by the carrier groove 22 form a groove body for placing a touch screen. The height of the second protrusion 222 is smaller than that of the first protrusion 221, the first protrusion 221 surrounds the periphery of the second protrusion 222, and the openings of the first protrusion 221 and the second protrusion 222 are overlapped, so that the surface of the second protrusion 222 and the contour enclosed by the first protrusion 221 form a groove body for placing a liquid crystal screen, and the contour enclosed by the second protrusion 222 and the bottom surface of the carrier groove 22 form a groove body for placing a flat cable of the liquid crystal screen.

The working process of the pressing device is as follows:

a liquid crystal screen is placed on the surface of the second protrusion 222 of the material carrying plate 21, and then a touch screen is placed on the surface of the first protrusion 221 of the material carrying plate 21, so that the alignment work of the liquid crystal screen and the touch screen is completed. After the driving device 1 receives the stretching instruction, the pressing plate 31 is driven to approach the material carrying device 2 until foam rubber of the touch screen and the liquid crystal screen is extruded through the surface of the pressing plate 31, so that the foam rubber fully bonds the touch screen and the liquid crystal screen, and a required touch display screen product is obtained.

The liquid crystal screen and the touch screen can be rapidly aligned by arranging the liquid crystal screen and the touch screen through the first bulge 221 and the second bulge 222 of the carrying groove 22. The contour enclosed by the first protrusion 221 and the carrying groove 22 forms a groove body for placing the touch screen to coincide with the contour of the touch screen, and the contour enclosed by the second protrusion 222 and the first protrusion 221 forms a groove body for placing the liquid crystal screen to coincide with the contour of the liquid crystal screen, so that the alignment accuracy of the liquid crystal screen and the touch screen is greatly improved, and the problem of reduced alignment accuracy caused by manual alignment is solved. The area on the surface of the pressing plate 31 is larger than that on the surface of the touch screen, when the pressing plate 31 contacts and presses the touch screen, the pressing force of the pressing plate 31 on the touch screen is uniform, the foam rubber between the liquid crystal screen and the touch screen can uniformly improve the activation rate, and further the bonding of the liquid crystal screen and the touch screen is more uniform, and the obtained touch display screen has higher quality and more standard and uniform product quality in the same batch.

With continued reference to fig. 1-8, in this embodiment, the pressing device further includes a positioning mechanism 4 and a fixing post 5, the base plate 32 is provided with a plurality of fixing holes 321, the positioning mechanism 4 includes a positioning block 41 and a plurality of positioning holes 42, the plurality of positioning holes 42 are arranged on the positioning block 41, and the fixing post 5 passes through the positioning holes 42 and enters the fixing holes 321 to fix the connection between the positioning block 41 and the base plate 32.

Specifically, the plurality of fixing holes 321 are uniformly and equidistantly arranged on the surface of the bottom plate 32, and the positioning block 41 of the positioning mechanism 4 is used for fixing the position of the loading device 2 on the bottom plate 32, so that when the pressing plate 31 presses the product on the loading plate 21, the loading device 2 is prevented from being deviated on the bottom plate 32. In an embodiment, the fixing post 5 is a bolt, the inner wall of the fixing hole 321 is provided with a thread, and the fixing post 5 passes through the positioning hole 42 to enter the fixing hole 321 to fix the connection between the positioning block 41 and the bottom plate 32, and the positioning blocks 41 are distributed around the material carrying device 2 to fix the position of the material carrying device 2 on the bottom plate 32.

The position of the material carrying device 2 on the bottom plate 32 is fixed and fixed through the positioning mechanism 4, so that the material carrying device 2 can be effectively prevented from shifting on the bottom plate 32, and the touch screen and the liquid crystal screen on the material carrying device 2 can be ensured to be pressed stably.

Further, the loading device 2 further includes a plurality of grooves 23, and the plurality of grooves 23 are all in communication with the loading groove 22 and surround the periphery of the first protrusion 221.

Specifically, the grooves 23 are used for picking and placing the touch screen on the first protrusion 221, in an embodiment, the material loading device 2 includes four grooves 23, which are respectively disposed on four sides of the material loading plate 21, the four grooves 23 are all communicated with the material loading groove 22, and the depth of the grooves 23 is greater than the depth of the material loading groove 22. The grooves 23 are further convenient for taking out the touch display screen obtained by pressing, and a mechanical arm is provided for taking out the product.

Further, the first protrusion 221 and the second protrusion 222 are integrally formed.

Specifically, gaps are avoided at the connection positions of the first protrusions 221 and the second protrusions 222, so that the difficulty in cleaning the material carrying plate 21 can be effectively reduced.

Further, the pressing device further comprises a control device 6, a start button 7 and a stop button 8, wherein the control device 6 is respectively connected with the start button 7, the stop button 8 and the driving device 1.

Specifically, the control device 6 is configured to receive the signal and control the driving device 1 to operate. In an embodiment, the start button 7 and the stop button 8 are both disposed on the bottom plate 32, and after the start button 7 is pressed, the control device 6 receives a start signal and sends an extension instruction to the driving device 1 so that the driving device 1 drives the pressing plate 31 to approach the loading device 2. After the stop button 8 is pressed, the control device 6 receives the stop signal and sends a contraction instruction to the driving device 1 so that the driving device 1 drives the pressing plate 31 to be far away from the loading device 2. In one embodiment, the control device 6 includes an intermediate relay, a solenoid valve, and a time relay, where the intermediate relay is used to transmit signals and control multiple circuits simultaneously, and may also be used to directly control a small-capacity motor or other electrical actuator. Solenoid valves are used to cooperate with different circuits to achieve the desired control. The time relay is used for delaying execution instructions, for example, the time relay is preset to be 10s, after the start button 7 is pressed, the control device 6 receives a start signal, and sends an extension instruction to the driving device 1 to enable the driving device 1 to drive the pressing plate 31 to be close to the material carrying device 2, the time relay performs countdown operation, after the preset 10s, the control device 6 receives a stop signal, and sends a contraction instruction to the driving device 1 to enable the driving device 1 to drive the pressing plate 31 to be far away from the material carrying device 2.

Further, the two sides above the bottom plate 32 are respectively provided with the start buttons 7, wherein when two start buttons 7 are pressed, a signal is sent to the control device 6.

Specifically, two start buttons 7 are provided, and if and only if two start buttons 7 are pressed, a start signal is sent to the control device 6, the control device 6 receives the start signal, and an expansion instruction is sent to the driving device 1 to enable the driving device 1 to drive the pressing plate 31 to approach the material carrying device 2. Two start buttons 7 are respectively arranged on two sides of the material carrying device 2, and start signals can be sent to the control device 6 only by respectively pressing the start buttons 7 by two hands of a manipulator, so that the situation that the driving device 1 drives the press plate 31 to press the hands is avoided, and the manipulator can safely operate.

Further, the pressing device further comprises a bracket 9, the bracket 9 is fixed on the bottom plate 32, and the driving device 1 and the control device 6 are both fixed on the bracket 9.

Specifically, the bracket 9 is used to connect the driving device 1 with the bottom plate 32, so that the driving device 1 is disposed directly above the loading device 2.

Further, the pressing device further includes a start indicator 101 and a stop indicator 102, the control device 6 is connected to the start indicator 101 and the stop indicator 102, and the start indicator 101 and the stop indicator 102 are both disposed on the base plate 32.

Specifically, when the driving device 1 performs extension, the start indicator lamp 101 is turned on. When the driving device 1 performs the contraction, the stop indicator lamp 102 is turned on. At most, only one of the start indicator lamp 101 and the stop indicator lamp 102 can be turned on, and the driver 1 can intuitively recognize whether to perform the expansion or contraction operation by the start indicator lamp 101 and the stop indicator lamp 102.

Further, the driving device 1 is a cylinder.

Specifically, the cylinder is a cylindrical metal member that guides the piston to perform a linear reciprocating motion within the cylinder. The driving device 1 is arranged above the material carrying device 2, and the driving of the pressing plate 31 to approach/depart from the material carrying device 2 can be realized through the extension and retraction of the air cylinder.

Further, a plurality of foot pads 103 are provided on the bottom surface of the bottom plate 32.

Specifically, the pad 103 disposed on the bottom surface of the bottom plate 32 is made of rubber, and the rubber has elasticity, and the elastic pad 103 can provide a buffering effect when pressing the liquid crystal display and the touch screen.

In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (10)

1. The pressing device is characterized by comprising a driving device, a material carrying device and a pressing mechanism; the pressing mechanism comprises a pressing plate and a bottom plate, and the material carrying device and the driving device are arranged on the bottom plate; the driving device is connected with the pressing plate to drive the pressing plate to be close to/far away from the material carrying device; the material loading device comprises a material loading plate and a material loading groove, wherein the material loading groove is arranged on the material loading plate, the material loading groove is provided with a first bulge and a second bulge, and openings of the first bulge and the second bulge are arranged on the same side; the first bulge is arranged around the second bulge, the height of the first bulge is larger than that of the second bulge, and the driving device drives the pressing plate to press the touch screen on the first bulge and the liquid crystal screen on the second bulge when the pressing plate is close to the material carrying device.

2. The pressing device according to claim 1, further comprising a positioning mechanism and a fixing column, wherein the bottom plate is provided with a plurality of fixing holes, the positioning mechanism comprises a positioning block and a plurality of positioning holes, the positioning holes are arranged on the positioning block, and the fixing column passes through the positioning holes to enter the fixing holes so as to fix the connection of the positioning block to the bottom plate.

3. The pressing device according to claim 1, wherein the material carrying device further comprises a plurality of grooves, and the plurality of grooves are communicated with the material carrying groove and are arranged around the first protrusion.

4. The bonding device of claim 1, wherein the first protrusion and the second protrusion are integrally formed.

5. The pressing device according to claim 1, further comprising a control device, a start button and a stop button, wherein the control device is connected to the start button, the stop button and the driving device, respectively.

6. The pressing device according to claim 5, wherein the start buttons are provided on both sides above the bottom plate, and wherein a signal is sent to the control device when two of the start buttons are pressed.

7. The compression device of claim 6, further comprising a bracket secured to the base plate, wherein the drive device and the control device are both secured to the bracket.

8. The pressing device according to claim 7, further comprising a start indicator and a stop indicator, wherein the control device is respectively connected with the start indicator and the stop indicator, and the start indicator and the stop indicator are both disposed on the bottom plate.

9. The bonding apparatus of claim 1, wherein the driving means is a cylinder.

10. The bonding apparatus of claim 1, wherein the bottom surface of the base plate is provided with a plurality of footpads.