Dispensing and pressing machine for touch screen

Abstract

The invention relates to the technical field of touch screen automatic press-fit production equipment, and discloses a touch screen dispensing press-fit machine which comprises a conveying belt, a dispensing mechanism, a cover plate grabbing mechanism, a press-fit mechanism and an alignment mechanism, the conveying belt is used for conveying a touch screen, the touch screen sequentially passes through the dispensing mechanism, the cover plate grabbing mechanism and the press-fit mechanism in the conveying direction of the conveying belt, and the alignment mechanism is used for aligning the cover plate grabbing mechanism and the press-fit mechanism. The dispensing mechanism is used for dispensing a touch screen, the cover plate grabbing mechanism is used for grabbing a cover plate, the pressing mechanism is used for pressing the cover plate and the touch screen, the alignment mechanism and the cover plate grabbing mechanism are correspondingly arranged, the cover plate grabbing mechanism places the grabbed cover plate on the alignment mechanism, and the alignment mechanism is used for covering the touch screen with the cover plate. By means of the integrated design of conveying, glue dispensing, grabbing, alignment and pressing, automation, precision and high efficiency of the touch screen and cover plate attaching procedure are achieved, and the device is key equipment for guaranteeing the quality and improving the productivity in the mass production process of touch screens.

Description

Technical Field

[0001] The present invention relates to the technical field of touch screen automatic lamination production equipment, in particular to a touch screen dispensing lamination machine. Background Art

[0002] A touch screen, also known as a "touch screen" or "touch panel," is an inductive liquid crystal display device that receives input signals such as contacts. When a graphic button on the screen is touched, the tactile feedback system on the screen can drive various connected devices according to a pre-programmed program. It can be used to replace mechanical button panels and create vivid audio and video effects through the LCD display.

[0003] During the processing of the vehicle-mounted touch screen, the touch screen is glued by a glue dispensing machine, and then the touch screen is taken out manually. After the cover plate is placed on the touch screen, the touch screen is transferred to the placement groove of the laminating equipment and pressed by a pressing plate. However, this operation process is difficult to achieve fast glue dispensing and pressing operations, and the manual transfer leads to high labor intensity and low production efficiency. Summary of the Invention

[0004] The present application discloses a touch screen dispensing and pressing machine to solve the problems in the prior art of difficulty in achieving rapid dispensing and pressing operations, high manual labor intensity, and low production efficiency.

[0005] In order to solve the above problems, the present invention adopts the following technical solutions: A touch screen dispensing and laminating machine, comprising: Conveyor belt, the conveyor belt is used to transport the touch screen, and the touch screen passes through the dispensing mechanism, the cover plate grabbing mechanism and the pressing mechanism in the conveying direction of the conveyor belt; Glue dispensing mechanism, which is used to dispense glue to the touch screen; The cover plate grabbing mechanism is used to grab the cover plate; A pressing mechanism, which is used to press the cover plate and the touch screen; The alignment mechanism is corresponding to the cover plate grabbing mechanism. The cover plate grabbing mechanism places the grabbed cover plate on the alignment mechanism. The alignment mechanism is used to cover the cover plate on the touch screen.

[0006] The technical solution adopted by the present invention can achieve the following beneficial effects: The present invention realizes the continuous and stable transportation of the touch screen between various processes through a conveyor belt, and avoids the problem of solidification and oxidation of the glue dispensed during the glue dispensing process by sequentially passing through the processes of glue dispensing, cover plate bonding, and pressing in a fixed direction, thereby ensuring the adhesion strength of the glue liquid, thereby ensuring the molding quality of the touch screen, and avoiding the problems of high labor intensity and low production efficiency caused by manual transportation, while avoiding process interruption, ensuring the continuity of the production process, and eliminating the need to worry about the inconvenience of removing the touch screen, thereby improving practicality; the present invention realizes the automation, precision and efficiency of the touch screen and cover plate bonding process through the integrated design of "conveying-glue dispensing-grabbing-alignment-pressing", and is a key equipment for ensuring quality and improving production capacity in the mass production of touch screens. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0008] Figure 1 It is a schematic diagram of the overall front view structure disclosed in some embodiments of the present application; Figure 2 It is a schematic diagram of the overall top view of the structure disclosed in some embodiments of the present application; Figure 3 yes Figure 2 Schematic diagram of the enlarged structure at A in the middle; Figure 4 It is a schematic diagram of the overall front cross-sectional structure disclosed in some embodiments of the present application; Figure 5 yes Figure 4 Schematic diagram of the enlarged structure at B in the middle; Figure 6 yes Figure 4 Schematic diagram of the enlarged structure at C in the middle; Figure 7 yes Figure 4 Schematic diagram of the enlarged structure at D in the middle; Figure 8 is a left-side structural schematic diagram of a dispensing mechanism disclosed in some embodiments of the present application; Figure 9 is a rear structural schematic diagram of a cover plate grabbing mechanism disclosed in some embodiments of the present application; Figure 10 is a left-side structural schematic diagram of a pressing mechanism disclosed in some embodiments of the present application; Figure 11 It is a left-side structural schematic diagram of the cover plate grabbing mechanism and the alignment mechanism disclosed in some embodiments of the present application; Figure 12 It is a left-side structural schematic diagram of the first limiting mechanism disclosed in some embodiments of the present application.

[0009] In the picture: 100- conveyor belt; 200 - dispensing mechanism; 210 - moving assembly; 211 - linear module; 212 - first column; 213 - third telescopic member; 214 - fourth telescopic member; 215 - first connecting plate; 220 - dispensing gun; 300 - cover plate grabbing mechanism; 310 - rotating assembly; 311 - rotating member; 312 - second column; 320 - grabbing assembly; 321 - fifth telescopic member; 322 - second connecting plate; 323 - sixth telescopic member; 324 - third connecting plate; 325 - suction cup; 400-pressing mechanism; 410-gantry; 420-seventh telescopic member; 430-pressing assembly; 431-mounting plate; 432-pressing roller; 440-fourth connecting plate; 450-guide column; 460-limiting block; 470-elastic member; 500 - alignment mechanism; 510 - third column; 520 - drive assembly; 521 - drive member; 522 - bidirectional screw; 523 - threaded block; 524 - guide rod; 525 - guide block; 530 - moving rod; 540 - bracket; 550 - connecting rod; 600-first limiting mechanism; 610-first telescopic member; 620-first limiting plate; 700-second limiting mechanism; 710-second telescopic member; 720-second limiting plate; 10-base; 20-supporting legs. DETAILED DESCRIPTION

[0010] To make the objectives, technical solutions, and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without inventive effort are within the scope of protection of the present invention.

[0011] The terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh", etc. in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", "third", "fourth", "fifth", "sixth", "seventh", etc. are generally a type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0012] The inventive concept of this application is described here: During the processing of the vehicle-mounted touch screen, the touch screen is glued by a glue dispensing machine, and then the touch screen is taken out manually. After the cover plate is placed on the touch screen, the touch screen is transferred to the placement groove of the laminating device and pressed by the pressing plate. The inventor found in actual use that the glue liquid will quickly solidify and oxidize in the environment, thereby causing the adhesion strength of the glue liquid to decrease, and then causing the firmness of the subsequent fixation to be difficult to achieve rapid glue dispensing and pressing operations. In addition, manual transportation leads to high labor intensity and low production efficiency. In addition, the size of the placement groove of the laminating device and the distance between the cover plate are small, so it is inconvenient to remove the touch screen after pressing, which reduces practicality.

[0013] Based on this, the inventor provides a touch screen dispensing and pressing machine, which continuously transports the touch screen between each process, so that the touch screen goes through the processes of dispensing, cover plate bonding, pressing, etc. in sequence, avoiding the problem of glue liquid dispensed during the dispensing process solidifying and oxidizing, ensuring the adhesion strength of the glue liquid, thereby ensuring the molding quality of the touch screen, and avoiding the problems of high labor intensity and low production efficiency caused by manual transportation. At the same time, it avoids process interruption, ensures the continuity of the production process, and there is no need to worry about the inconvenience of removing the touch screen, thereby improving practicality.

[0014] The following is combined with Figures 1 to 12 , a touch screen dispensing and laminating machine provided by this application is described in detail through specific embodiments and application scenarios.

[0015] Reference Figure 1 、 Figure 2 and Figure 4 A touch screen dispensing and laminating machine includes: a conveyor belt 100, a dispensing mechanism 200, a cover plate grabbing mechanism 300, a laminating mechanism 400 and an alignment mechanism 500; Specifically, the glue dispensing and laminating machine also includes a base 10, and conveying rollers are rotatably installed at both ends of the middle part of the base 10. A conveyor belt 100 is wound around the surface of the two conveyor rollers, and the conveying direction of the conveyor belt 100 is the length direction of the base 10; one of the conveyor rollers is connected to the output shaft of the servo motor, and a mounting groove for installing the servo motor can be opened on the base 10; the two conveyor rollers can be synchronously driven by a gear chain (not shown in the figure); the top surface of the conveyor belt 100 is slightly higher than the top surface of the base 10; the two conveyor rollers are connected to the output shaft of the servo motor, and the base 10 can be provided with a mounting groove for installing the servo motor ... two conveyor rollers are connected to the output shaft of the servo motor The space between the feed rollers is filled by the base 10, and the base 10 supports the conveyor belt 100 to ensure subsequent cooperation with the pressing mechanism 400 to avoid excessive deformation of the conveyor belt 100 caused by the pressing mechanism 400; vertically arranged support legs 20 are installed at the bottom of the base 10, and the base 10 is supported by the support legs 20. In this embodiment, the number of support legs 20 can be 6; the dispensing mechanism 200, the cover plate grabbing mechanism 300, the pressing mechanism 400 and the alignment mechanism 500 are all arranged on the base 10.

[0016] Reference Figure 1 、 Figure 2 and Figure 4 The conveyor belt 100 is used to convey the touch screen, and the touch screen passes through the dispensing mechanism 200, the cover plate grabbing mechanism 300 and the pressing mechanism 400 in sequence along the conveying direction of the conveyor belt 100; Specifically, the conveyor belt 100 can be a belt conveyor belt, and the width of the conveyor belt 100 is smaller than the minimum width of the touch screen; the conveyor belt 100 is used to realize continuous and stable transportation of the touch screen between various processes, and the process of dispensing, cover laminating, pressing and other processes is sequentially passed along a fixed direction to avoid the problem of solidification and oxidation of the glue dispensed during the dispensing process, thereby ensuring the adhesion strength of the glue and thus ensuring the molding quality of the touch screen, and avoiding the problems of high labor intensity and low production efficiency caused by manual transportation, while avoiding process interruption and ensuring the continuity of the production process.

[0017] Reference Figure 1 、 Figure 2 and Figure 4 , the dispensing mechanism 200 is used to dispense glue to the touch screen; Specifically, the amount, position and shape (such as dots or lines) of the glue in the dispensing mechanism 200 are controlled by the PLC control system to ensure that the glue is evenly distributed in the bonding area of ​​the touch screen and provide a medium for the subsequent firm bonding of the cover plate and the touch screen, thereby avoiding problems of false adhesion and falling off caused by insufficient or uneven distribution of glue.

[0018] Reference Figure 1 and Figure 2 , the cover plate grabbing mechanism 300 is used to grab the cover plate; Specifically, the cover plate grabbing mechanism 300 and the positioning mechanism 500 are respectively arranged at the two ends of the width direction of the base 10. The storage position of the cover plates (such as stacked cover plate racks, conveyors for conveying cover plates, etc.) can be set on one side of the base 10 of the cover plate grabbing mechanism 300; the cover plates are automatically grabbed by the cover plate grabbing mechanism 300, replacing manual operation, improving the grabbing efficiency, avoiding stains and scratches caused by manual contact on the cover plate surface, and reducing the random deviation of the grabbing position through mechanical positioning.

[0019] Reference Figure 1 、 Figure 2 and Figure 4 , the pressing mechanism 400 is used to press the cover plate and the touch screen; Specifically, the cover plate and the touch screen are tightly pressed together by the pressing mechanism 400, so that the glue can fully infiltrate the bonding surface, enhance the bonding strength, and eliminate bubbles that may be generated during the bonding process, thereby avoiding local debonding, display abnormalities (such as light spots) and other problems caused by bubbles, thereby improving product yield.

[0020] Reference Figure 1 、 Figure 2 and Figure 4 The alignment mechanism 500 is correspondingly arranged with the cover plate grabbing mechanism 300 . The cover plate grabbing mechanism 300 places the grabbed cover plate on the alignment mechanism 500 . The alignment mechanism 500 is used to cover the cover plate on the touch screen.

[0021] Specifically, the cover plate transferred by the cover plate grabbing mechanism 300 is received by the alignment mechanism 500, and the posture of the cover plate can be adjusted through the visual recognition system to ensure that the cover plate and the touch screen transported by the conveyor belt 100 below are accurately aligned on the preset reference (such as the edge of the display area, the positioning hole), thereby solving the "offset" problem that is easy to occur during manual bonding (such as the cover plate covering beyond the effective area of ​​the touch screen, the edge misalignment), and ensuring the consistency of the product appearance and function (such as touch sensing, display effect).

[0022] This equipment improves the degree of automation, reduces dependence on manual labor, improves production efficiency and consistency, ensures product accuracy and consistency, reduces the scrap rate due to deviations, and adapts to the high requirements of touch screen production through the integrated design of "conveying-dispensing-grabbing-alignment-pressing".

[0023] Among them, reference Figure 1 、 Figure 2 and Figure 4 In this embodiment, a first limiting mechanism 600 and a second limiting mechanism 700 are sequentially provided on both sides of the conveyor belt 100 in the width direction along the conveying direction of the conveyor belt 100; The first limiting mechanism 600 is provided corresponding to the dispensing mechanism 200, and the second limiting mechanism 700 is provided corresponding to the pressing mechanism 400; Specifically, the first limiting mechanism 600 and the second limiting mechanism 700 are each provided with two groups, and the two groups are respectively located on both sides of the width direction of the conveyor belt 100; the cover plate grabbing mechanism 300 and the alignment mechanism 500 are located between the first limiting mechanism 600 and the second limiting mechanism 700.

[0024] The first limiting mechanism 600 is used to limit and guide the touch screen; Specifically, the first limiting mechanism 600 limits and guides the touch screen along the width direction of the conveyor belt 100, ensuring that the touch screen maintains a fixed lateral (i.e., the conveying direction of the conveyor belt 100) position and posture (such as no deviation or shaking) during glue dispensing, providing a stable operating reference for the glue dispensing mechanism 200, and ensuring the accuracy of the glue dispensing trajectory and the uniformity of the glue amount.

[0025] The second limiting mechanism 700 is used to limit and guide the cover plate and the touch screen.

[0026] Specifically, the second limiting mechanism 700 limits and guides the entire “cover plate + touch screen” to ensure that the relative positions of the cover plate and the touch screen remain stable when the pressing mechanism 400 is in action, thereby improving the consistency of the pressing quality.

[0027] The "phased and targeted" limiting guidance is carried out by the first limiting mechanism 600 and the second limiting mechanism 700, which not only meets the requirements of different processes for the position accuracy of the touch screen, but also adapts to the continuous operation logic of the assembly line, avoiding the problem that a single limiting mechanism is difficult to adapt to the product status at different stages (from a single touch screen to an assembly), ensuring the smooth connection of each process, and ultimately achieving the technical effects of improving product yield, increasing production efficiency, and enhancing the level of equipment automation.

[0028] Reference Figure 1 、 Figure 2 、 Figure 4 and Figure 12 In this embodiment, the first limiting mechanism 600 includes a first telescopic member 610 and a first limiting plate 620; A first limiting plate 620 is connected to the telescopic end of the first telescopic member 610; Specifically, the first telescopic member 610 is installed on the base 10, and a mounting groove for installing the first telescopic member 610 may be opened on the base 10; the telescopic end of the first telescopic member 610 faces the conveyor belt 100; the height of the first limiting plate 620 is higher than the top surface of the conveyor belt 100, but lower than the thickness of the touch screen (that is, the distance from the top surface of the touch screen to the surface of the base 10), and the first limiting plate 620 limits and guides the two sides of the lower width direction of the touch screen.

[0029] The first telescopic member 610 is used to drive the first limiting plate 620 to move; Specifically, the first telescopic member 610 can be a cylinder, an electric cylinder or a hydraulic cylinder. In the present embodiment, the first telescopic member 610 is preferably a cylinder. Its specific structure and working principle are common knowledge, so they are not described in detail here. The first telescopic member 610 drives the first limiting plate 620 to move toward or away from each other, which can adapt to touch screens of different widths, thereby improving the flexibility of the production line and reducing the cost of changing models (such as time cost and labor cost).

[0030] The first limiting plate 620 is used to limit and guide the touch screen.

[0031] Specifically, the first limiting plate 620 is arranged along the conveying direction of the conveyor belt 100, with its front structure tilted outward and its rear structure arranged parallel to the length direction of the conveyor belt 100, so as to facilitate the first limiting plate 620 to limit and guide the touch screen, thereby preventing it from being offset due to vibration and inertia during the operation of the conveyor belt 100, and ensuring that the dispensing position of the dispensing mechanism 200 accurately corresponds to the target area of ​​the touch screen.

[0032] The first limiting mechanism 600 solves the compatibility problem of touch screens of different widths and sizes through the combination of "the first telescopic part 610 to adjust the spacing + the first limiting plate 620 to stabilize the guidance", and ensures the position accuracy of the touch screen during the dispensing process, ultimately providing reliable position guarantee for the high-quality completion of the dispensing process, while improving the automation level and production efficiency of the equipment.

[0033] Reference Figure 1 、 Figure 2 and Figure 4 In this embodiment, the second limiting mechanism 700 includes a second telescopic member 710 and a second limiting plate 720; The telescopic end of the second telescopic member 710 is connected to a second limiting plate 720; Specifically, the second telescopic member 710 is installed on the base 10, and a mounting groove for installing the second telescopic member 710 may be opened on the base 10; the telescopic end of the second telescopic member 710 faces the conveyor belt 100; the height of the second limiting plate 720 is higher than the top surface of the conveyor belt 100, but lower than the thickness of the touch screen (that is, the distance from the top surface of the touch screen to the surface of the base 10), which facilitates the pressing mechanism 400 to press the cover plate and the touch screen, avoids interference between the pressing mechanism 400 and the second limiting plate 720, and the second limiting plate 720 limits and guides the two sides of the lower width direction of the cover plate.

[0034] The second telescopic member 710 is used to drive the second limiting plate 720 to move; Specifically, the second telescopic member 710 can be a cylinder, an electric cylinder or a hydraulic cylinder. In this embodiment, the second telescopic member 710 is preferably a cylinder. Its specific structure and working principle are common knowledge, so they are not described in detail here; the second telescopic member 710 drives the second limit plate 720 to move toward or away from each other, which can adapt to the combination of "cover plate + touch screen" of different widths, ensure the position stability of the cover plate and the touch screen during the pressing process, ensure the pressing quality, improve the flexibility of the production line, and reduce the cost of changeover (such as time cost and labor cost).

[0035] The second limiting plate 720 is used to limit and guide the cover plate and the touch screen.

[0036] Specifically, the second limiting plate 720 is arranged along the conveying direction of the conveyor belt 100, with its front structure tilted outward and its rear structure arranged parallel to the length direction of the conveyor belt 100, so that the second limiting plate 720 can limit and guide the cover plate and the touch screen, ensuring that their initial position is accurate when entering the pressing area, and preventing "misaligned pressing" (such as the edge of the cover plate exceeds the edge of the touch screen, resulting in subsequent poor assembly). During the pressing process, the pressure of the pressing mechanism 400 can be evenly applied to the surface of the cover plate, avoiding uneven pressure on the local adhesive layer due to the offset of the assembly, thereby improving product yield.

[0037] The second limiting mechanism 700 provides a stable position reference for the pressing process through the combination of "the second telescopic member 710 to adjust the spacing + the second limiting plate 720 to provide stable guidance", which not only solves the compatibility problem of assemblies of different width sizes, but also ensures the fitting accuracy of the cover and the touch screen through precise limiting, ultimately reducing poor pressing (such as misalignment, bubbles, and damage), improving product qualification rate, and at the same time reducing the operating complexity and changeover cost of the equipment, meeting the efficiency and flexibility requirements of the automated production line.

[0038] Reference Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 and Figure 8 , in this embodiment, the dispensing mechanism 200 includes a moving component 210 and a dispensing gun 220; The dispensing gun 220 is detachably connected to the moving assembly 210, making it easy to replace the dispensing gun 220; The moving assembly 210 is used to drive the dispensing gun 220 to move; Specifically, refer to Figure 4 、 Figure 5 and Figure 8The moving assembly 210 includes a linear module 211, a first column 212, a third telescopic member 213, a fourth telescopic member 214 and a first connecting plate 215; there are two linear modules 211, which are respectively located on both sides of the width direction of the conveyor belt 100. The two linear modules 211 are located outside the first limit plate 620 to facilitate the movement of the first limit plate 620. The linear module 211 is installed on the base 10, and the conveying direction of the linear module 211 is consistent with the conveying direction of the conveyor belt 100; The line module 211 is slidably connected to a first vertical column 212. Similarly, the number of the first columns 212 is also two. A third telescopic member 213 is connected between the upper parts of the two first columns 212. The third telescopic member 213 can be a ball screw pair or a rodless cylinder. In this embodiment, the third telescopic member 213 is preferably a rodless cylinder. The slider of the third telescopic member 213 can move along the width direction of the conveyor belt 100. The fourth telescopic member 21 is vertically installed on the slider of the third telescopic member 213. 4. The fourth telescopic member 214 can be a cylinder, an electric cylinder or a hydraulic cylinder. In this embodiment, the fourth telescopic member 214 is preferably a cylinder; a first connecting plate 215 is connected to the telescopic end of the fourth telescopic member 214, and a glue gun 220 is detachably connected to the first connecting plate 215; the fourth telescopic member 214 is used to drive the glue gun 220 to move up and down; the third telescopic member 213 is used to drive the glue gun 220 to move along the width direction of the conveyor belt 100, and the linear module 211 is used to drive the glue gun 220 to move along the length direction of the conveyor belt 100; wherein, the specific structure and working principle of the linear module 211, the third telescopic member 213 and the fourth telescopic member 214 are common knowledge, so they are not described in detail here; multi-axis linkage control of the glue gun 220 is realized by the linear module 211, the third telescopic member 213 and the fourth telescopic member 214, ensuring that the glue gun 220 accurately stops at any position on the touch screen, and can be used with a preset program or a visual recognition system to generate an optimal path to achieve multi-dimensional precise positioning.

[0039] The glue dispensing gun 220 is used to dispense glue to the touch screen.

[0040] Specifically, the dispensing gun 220 can be connected to the hot melt machine through a pipe. The hot melt machine provides hot melt glue, and the touch screen is dispensed through the dispensing gun 220. The specific structure and working principle of the dispensing gun 220 and the hot melt machine are common knowledge, so they will not be described in detail here. The PLC control system can be used to achieve precise regulation of the glue output of the dispensing gun 220, anti-drip and self-cleaning technology, and high-precision dispensing can be achieved in combination with a visual positioning system.

[0041] Through the multi-dimensional precise positioning of the mobile component 210 and the precise fluid control of the dispensing gun 220, high precision, high efficiency and high adaptability of the touch screen dispensing process are achieved.

[0042] Reference Figures 1 to 3 、 Figure 9 and Figure 11 In this embodiment, the cover plate grabbing mechanism 300 includes a rotating assembly 310 and a grabbing assembly 320; The grabbing assembly 320 is connected to the rotating assembly 310; Specifically, refer to Figure 9 The rotating assembly 310 includes a rotating member 311 and a second column 312; the rotating member 311 is mounted on the base 10, and the rotating member 311 is preferably a rotary cylinder. Its specific structure and working principle are common knowledge and are therefore not described in detail here; the second column 312 is vertically mounted on the rotating axis of the rotating member 311, and the grabbing assembly 320 is connected to the second column 312; Reference Figure 3 and Figure 9 , the grabbing assembly 320 includes a fifth telescopic member 321, a second connecting plate 322, a sixth telescopic member 323, a third connecting plate 324 and a suction cup 325; the fifth telescopic member 321 is horizontally mounted on the top of the second column 312, the fifth telescopic member 321 can be a cylinder, an electric cylinder or a hydraulic cylinder, in this embodiment, the fifth telescopic member 321 is preferably a cylinder; the telescopic end of the fifth telescopic member 321 is connected to the second connecting plate 322, and the sixth telescopic member 323 is vertically mounted on the bottom of the second connecting plate 322, the sixth telescopic member 323 can be a cylinder, an electric cylinder or a hydraulic cylinder, in this embodiment, the sixth telescopic member 323 is preferably The third connecting plate 324 is connected to the telescopic end of the sixth telescopic member 323, and a plurality of suction cups 325 are installed at the bottom of the third connecting plate 324. The interior of the third connecting plate 324 is hollow, and the top side of the third connecting plate 324 is connected to the vacuum pump through a connecting pipe. The connecting pipe and the suction cup 325 are both connected to the interior of the third connecting plate 324. The air is extracted by the vacuum pump so that the suction cup 325 can adsorb the cover plate, making it convenient to grab the cover plate. Among them, the specific structure and working principle of the fifth telescopic member 321, the sixth telescopic member 323 and the suction cup 325 are common knowledge, so they are not described in detail here.

[0043] The rotating assembly 310 is used to drive the grabbing assembly 320 to rotate, so that the grabbing assembly 320 grabs the cover plate and places the grabbed cover plate on the alignment mechanism 500 .

[0044] Specifically, the rotating member 311 can drive the second column 312 to rotate, thereby driving the grabbing assembly 320 to rotate, which allows the grabbing assembly 320 to adjust the grabbing angle according to the storage position of the cover (such as a stacked cover rack, a conveyor for conveying cover, etc.) to ensure accurate grabbing; at the same time, in the process of transferring the cover from the grabbing position to the positioning mechanism 500, the rotational movement can adapt to the position and angle requirements of the positioning mechanism 500, flexibly adjust the placement posture of the cover, avoid placement errors caused by position deviation, and improve the adaptability of the cover transfer process; and through the extension and retraction of the fifth telescopic member 321, the third connecting plate 324 extends to the top of the positioning mechanism 500, and through the descent of the sixth telescopic member 323 and the pressure relief of the vacuum pump, the cover is stably placed on the positioning mechanism 500.

[0045] The touch screen is continuously transported on the conveyor belt 100, and the cover plate grabbing mechanism 300 needs to match the conveying rhythm of the conveyor belt 100 and the working rhythm of the positioning mechanism 500; the rotation of the rotating part 311 can quickly realize the switching of the grabbing component 320 between the two stations of "grabbing the cover plate" and "placing the cover plate on the positioning mechanism 500", reducing the path redundancy that may be caused by traditional translational transfer, shortening the cover plate transfer time, thereby improving the rhythm efficiency of the entire production line, ensuring that each process (touch screen transportation after dispensing, cover plate alignment, and subsequent pressing) is smoothly connected, and the rotation of the rotating part 311 can complete the grabbing and transfer of the cover plate in a limited space, making the overall structure of the equipment more compact and reducing the requirements for the production site.

[0046] Through the cooperation of the rotating component 310 and the grasping component 320, by flexibly adjusting the grasping angle, optimizing the transfer path, and assisting in improving the basic alignment accuracy, the stability and efficiency of the cover plate from grasping to transferring to the alignment mechanism 500 are effectively guaranteed, thereby providing reliable support for the subsequent precise pressing of the cover plate and the touch screen, and promoting the automation and efficiency of the entire touch screen assembly process.

[0047] Reference Figure 4 、 Figure 6 and Figure 10 In this embodiment, the pressing mechanism 400 includes a gantry 410, a seventh telescopic member 420 and a pressing assembly 430; The seventh telescopic member 420 is connected to the top of the gantry 410, and a pressing assembly 430 is elastically connected to the telescopic end of the seventh telescopic member 420; Specifically, the gantry 410 is installed on the base 10, and the two ends of the gantry 410 are located on the outside of the second limit plate 720 to facilitate the movement of the second limit plate 720. The gantry 410 serves as the supporting frame of the pressing mechanism 400 to ensure the overall rigidity and stability of the mechanism during the pressing process, avoid pressure deviation caused by the shaking of the mechanism during pressing, and ensure the pressing accuracy; the pressing assembly 430 is located directly above the position of the conveyor belt 100 (that is, the position of the conveyor belt 100 in the pressing mechanism 400); the seventh telescopic member 420 is vertically arranged, and the telescopic end of the seventh telescopic member 420 moves downward.

[0048] Reference Figure 6 and Figure 10 The pressing mechanism 400 also includes a fourth connecting plate 440 connected to the telescopic end of the seventh telescopic member 420. Guide posts 450 are provided at both ends of the fourth connecting plate 440 for vertical sliding. The number of guide posts 450 is 4-8. In this embodiment, the number of guide posts 450 is 4, which are distributed at the four corners of the fourth connecting plate 440; the bottom of the guide post 450 is located below the fourth connecting plate 440 and is connected to the pressing assembly 430; the top of the guide post 450 is located above the fourth connecting plate 440 and is connected to the limiting block 460. The limiting block 460 is provided to prevent the guide post 450 from detaching from the fourth connecting plate 440; the limiting block 460 and the fourth connecting plate 440 are connected. An elastic member 470 is connected between them and is sleeved on the outer surface of the guide column 450. In this embodiment, the elastic member 470 is preferably a spring; through the mutual cooperation of the elastic member 470, the limit block 460 and the guide column 450, flexible pressing is achieved to avoid the touch screen or cover plate from being broken or deformed due to the instantaneous excessive pressure during rigid downward pressure. If there are slight unevennesses on the fitting surfaces of the cover plate and the touch screen (such as slight bulges caused by local differences in the amount of glue dispensed), the elastic connection can enable the pressing component 430 to adapt to the contact surface through slight deformation, ensuring that each area is evenly stressed during pressing, improving the tightness of the fit, and the elastic buffer can reduce problems such as bubbles and deviations caused by pressure fluctuations, thereby improving product yield.

[0049] The seventh telescopic member 420 is used to adjust the height of the pressing assembly 430; Specifically, the seventh telescopic member 420 can be a cylinder, an electric cylinder or a hydraulic cylinder. In this embodiment, the seventh telescopic member 420 is preferably a cylinder. Its specific structure and working principle are common knowledge, so they are not described in detail here; the downward stroke of the pressing component 430 can be flexibly adjusted according to the thickness of the touch screen and the cover plate, thereby enhancing versatility.

[0050] The pressing assembly 430 is used to press the cover plate and the touch screen.

[0051] Specifically, the pressing assembly 430 is elastically adjusted under the action of the elastic member 470, the limit block 460 and the guide column 450, which can ensure that the glue is evenly spread under the action of pressure, enhance the bonding strength between the cover plate and the touch screen, and ultimately improve the structural stability and service life of the assembly.

[0052] The pressing mechanism 400, through the stable support of the gantry 410, the height adjustment capability of the seventh telescopic member 420, and the flexible adaptability of the elastic pressing component 430, can achieve precise pressing of assemblies of different specifications and protect the assemblies from damage. At the same time, it ensures the efficient coordination of the pressing process and the overall production line, ultimately improving the quality and production efficiency of touch screen assembly.

[0053] Reference Figure 6 and Figure 10 In this embodiment, the pressing assembly 430 includes a mounting plate 431 and a plurality of pressing rollers 432; The mounting plate 431 is elastically connected to the telescopic end of the seventh telescopic member 420 , and a plurality of pressure rollers 432 are rotatably connected to the bottom of the mounting plate 431 , and the plurality of pressure rollers 432 are gradually lowered along the conveying direction of the conveyor belt 100 ; Specifically, the mounting plate 431 is connected to the bottom of the guide column 450; the rotation axis of the pressure roller 432 is the same as the width direction of the conveyor belt 100; multiple pressure rollers 432 are arranged obliquely along the conveying direction of the conveyor belt 100, so that the pressing process presents the characteristics of progressive pressure; multiple pressure rollers 432 are rotatably connected to the mounting plate 431. When the assembly moves with the conveyor belt, the pressure roller 432 forms rolling friction with the surface of the cover plate through its own rotation. Compared with the sliding friction of the fixed pressure block, the rolling friction resistance is smaller, which can avoid scratches and wear on the cover plate or touch screen surface due to excessive friction, and the rotation characteristics can also adapt to the continuous conveying rhythm of the conveyor belt 100, ensuring that the pressing process is synchronized with the conveying action, does not interfere with the rhythm of the production line, and maintains efficient operation; the distributed layout of multiple pressure rollers 432 can cover a larger pressing area, especially for large-size touch screens, to ensure that each area is evenly stressed, and avoid deformation of the assembly due to single-point pressure.

[0054] Reference Figure 6 and Figure 10 , multiple pressing rollers 432 are used to press the cover plate and the touch screen in steps.

[0055] Specifically, when the touch screen and the cover plate enter the lamination area with the conveyor belt, they first contact the first pressing roller 432 with a higher height. At this time, the pressure is relatively small, and its main function is to initially fit the cover plate and the touch screen together and expel the air at the edge of the contact surface; as the conveyor belt 100 continues to convey, the assembly contacts the subsequent pressing rollers 432 with lower heights in turn, and the pressure gradually increases, gradually squeezing and expelling the air in the middle area toward the edge, avoiding the air being wrapped and forming bubbles due to one-time high pressure; for the lamination surface after gluing, progressive lamination can also make the glue spread evenly, reduce local glue accumulation or gaps, and improve bonding stability. This step-by-step lamination method significantly reduces the probability of lamination defects (such as bubbles and wrinkles) and improves product yield.

[0056] The tilted arrangement and rotating design of the multiple pressure rollers 432 of the pressing assembly 430, based on the "flexible pressing" of the pressing mechanism 400, ensures the fitting accuracy and bonding strength between the cover and the touch screen through features such as progressive pressure, rolling friction, and adaptive adjustment, while minimizing the damage to the assembly during the pressing process. At the same time, it adapts to the continuous conveying rhythm of the production line, ultimately achieving efficient and high-quality pressing effects.

[0057] Reference Figures 2 to 4 、 Figure 7 and Figure 11 In this embodiment, the alignment mechanism 500 includes a third column 510, a driving assembly 520 and a plurality of moving rods 530; The driving assembly 520 is connected to the third column 510 , and the plurality of moving rods 530 are connected to the driving assembly 520 ; Specifically, the third column 510 is connected to one end of the base 10 away from the rotating member 311; the third column 510 is vertically arranged, and the third column 510 is lower than the setting height of the telescopic end of the sixth telescopic member 323, so as to facilitate the sixth telescopic member 323 to transfer the cover plate to the moving rod 530; the third column 510 is installed with L-shaped brackets 540 at both ends of the upper part of one side facing the conveyor belt 100 to facilitate the installation of the drive assembly 520, and the number of moving rods 530 is 4.

[0058] Reference Figure 3 、 Figure 7 and Figure 11The driving assembly 520 includes a driving member 521, a bidirectional screw 522, a threaded block 523, a guide rod 524 and a guide block 525; the driving member 521 is horizontally installed on the upper part of the third column 510 away from the conveyor belt 100. The driving member 521 is preferably a servo motor. Its specific structure and working principle are common knowledge and are not described in detail here. The output end of the driving member 521 is connected to the bidirectional screw 522, and the other end of the bidirectional screw 522 passes through the third column 510 and is rotatably connected to one of the brackets 540. The two ends of the bidirectional screw 522 are threadedly connected with the threaded block 523. The block 523 is connected to the moving rod 530, and a guide rod 524 parallel to and at the same height as the bidirectional screw 522 is installed between another bracket 540 and the third column 510. Guide blocks 525 are slidably provided on both ends of the guide rod 524. The guide blocks 525 are connected to the moving rod 530. The moving rod 530 connected to the guide block 525 on the same side (referring to the two connecting rods 550 on the side close to the third column 510 or the two connecting rods 550 on the side away from the third column 510) and the moving rod 530 connected to the threaded block 523 are connected by a connecting rod 550 to achieve synchronous movement of the four moving rods 530.

[0059] The driving assembly 520 is used to drive the moving rod 530 to move along the width direction of the conveyor belt 100; Specifically, the bidirectional screw 522 is driven to rotate by the driving member 521, thereby driving the threaded blocks 523 to move closer to or away from each other, and the four moving rods 530 are driven to move synchronously by the connecting rod 550, so that the moving rods 530 on the same side can move along the width direction of the conveyor belt 100, and the spacing between the moving rods 530 on both sides can be flexibly adjusted. For cover plates of different widths, the bearing surface and guide range can be matched with the cover plate size by adjusting the spacing between the moving rods 530.

[0060] The moving rod 530 is used to support and guide the cover plate so that the cover plate covers the touch screen.

[0061] Specifically, in the initial state, the distance between the moving rods 530 on both sides is smaller than the width of the touch screen; the center line between the moving rods 530 on both sides and the center line of the conveying direction of the conveyor belt 100 are in the same vertical plane; when the cover plate is placed on the moving rods 530 on both sides by the suction cups 325, the side surfaces of the moving rods 530 contact the edges of the cover plate to provide a temporary support surface for the cover plate, thereby realizing the support of the cover plate by the moving rods 530, and then by increasing the distance between the moving rods 530 on both sides, the cover plate slides smoothly on the support surface and gradually approaches the conveyor belt 100, thereby realizing the guidance of the cover plate by the moving rods 530, and when the touch screen is directly below the cover plate along with the conveyor belt 100, the distance between the moving rods 530 on both sides is continued to increase so that the cover plate just covers the touch screen.

[0062] The alignment mechanism 500 achieves precise alignment between the cover plate and the touch screen through the adjustable guide design of the moving rod 530, while taking into account load stability and dimensional adaptability, providing a key guarantee for the high-quality completion of the subsequent pressing process, and ultimately improving the production accuracy, product yield and versatility of the equipment.

[0063] Reference Figure 3 、 Figure 7 and Figure 11 In this embodiment, the moving rod 530 includes an inclined portion and a vertical portion; The inclined portion of the movable rod 530 is located above the vertical portion, and the inclined portion is connected to the vertical portion; Specifically, the threaded block 523 is connected to the inclined portion of the moving rod 530 . Similarly, the guide block 525 is also connected to the inclined portion of the moving rod 530 . The connecting rod 550 is located between the upper portions of the inclined portions of the moving rod 530 .

[0064] The inclined portion of the moving rod 530 is used to support and guide the cover plate; Specifically, when the suction cup 325 places the cover on the moving rods 530 on both sides, the inclined surface of the inclined part can reduce the impact of the cover when it falls. The edge of the cover first contacts the inclined surface, and then slides along the inclined surface toward the vertical part, avoiding collision of the cover due to direct hard contact, and reducing the position bounce error during placement; the inclined surface has a natural "centripetal guiding" effect. During the sliding process of the cover along the inclined surface, it will gradually move closer to the central area where the vertical part is located, that is, the cover is close to the conveyor belt 100, which provides preliminary guidance for the cover.

[0065] The vertical portion of the moving rod 530 is used to guide the cover plate and to cover the cover plate on the touch screen.

[0066] Specifically, the bottom of the vertical portion of the moving rod 530 is slightly higher than the height of the touch screen, so as to avoid interference between the moving rod 530 and the touch screen; after preliminary guidance by the inclined portion, the edge of the cover plate contacts the side of the vertical portion, so that the cover plate naturally falls and covers the touch screen, and during the falling process of the cover plate, the vertical side surface of the vertical portion can guide the cover plate to maintain a stable posture during the falling process, ensuring that the cover plate is evenly covered with the glue layer, thereby improving the bonding strength after pressing.

[0067] The inclined and vertical parts of the movable rod 530 are designed through functional subdivision, which not only realizes the smooth transition of the cover from grasping to placing, but also ensures the accuracy of the final covering through step-by-step guidance, taking into account both operational safety (anti-bumping) and production efficiency. It is an optimization and upgrade of the function of the entire positioning mechanism 500, and provides a key guarantee for the high-quality completion of the subsequent pressing process.

[0068] In this embodiment, an electrical control cabinet (not shown) is provided on one side of the base 10. The electrical control cabinet (not shown) contains various electrical components, system programs, operation panels, etc., which control the entire device to perform actions according to established programs, process various sensors and signal sources, and output corresponding program instructions. The operator can input data from the touch screen and cover into the system program through the external touch screen. At the same time, the external indicator light and alarm light display the operating status of the device, and the external button can pause or stop the operation of the device.

[0069] Working Principle: During use, the distances between the first and second limit plates 620, 720, and the conveyor belt 100 are adjusted in advance based on the size of the touch screen and the cover plate, so that the center line of the touch screen in the width direction and the center line of the conveyor belt 100 in the conveying direction are in the same vertical plane. The distance between the movable rods 530 on both sides and the height of the pressure roller 432 are also adjusted. The touch screen then enters from the feeding end of the conveyor belt 100 and is guided by the first limit plate 620. When the touch screen reaches the dispensing area, the conveyor belt 100 stops running. The linear module 211, the third telescopic member 213, and the fourth telescopic member 214 cooperate with each other to realize the multi-axis linkage control of the dispensing gun 220, and the touch screen is dispensed with glue by the dispensing gun 220. After the dispensing is completed, the conveyor belt 100 continues to run, driving the touch screen to move out of the first limit plate 620 and enter the alignment area. When the touch screen is directly below the cover plate on the moving rod 530, the conveyor belt 100 stops running and drives the bidirectional screw 522 to rotate through the driving member 521, thereby driving the threaded blocks 523 to move away from each other, so that the moving rods 530 on both sides move away from each other, so that the cover plate on the moving rod 530 is initially guided by the inclined portion of the moving rod 530, and then guided to fall by the vertical side of the vertical portion of the moving rod 530, and the cover plate is covered on the touch screen. When the cover plate leaves the moving rod 530, the driving member 521 drives the moving rods 530 on both sides to move closer to each other, so that the moving rod 530 30 is used to receive the next cover plate. At the same time, the fifth telescopic member 321 and the sixth telescopic member 323 are extended to suck the cover plate at the cover plate storage position through the suction cup 325. Then, the fifth telescopic member 321 and the sixth telescopic member 323 are retracted. By rotating the rotating member 311, the cover plate is rotated to a direction corresponding to the moving rod 530. Then, by extending the fifth telescopic member 321 and the sixth telescopic member 323, the suction cup 325 places the cover plate on the moving rod 530 on both sides. Then, the fifth telescopic member 321 and the sixth telescopic member 323 are retracted, and the rotating member 311 rotates the suction cup 325 back to the cover plate storage position. When the alignment process is being performed, the dispensing process can be performed simultaneously. After the cover plate is placed on the touch screen, the conveyor belt 100 continues to run, and the second limit plate 720 is used to limit and guide the combination of the cover plate and the touch screen to prevent the touch screen from being offset on the conveyor belt 100 when the cover plate is placed on the touch screen. When the combination reaches the pressing area, the inclined arrangement and rotation design of the multiple pressure rollers 432, under the flexible action of the elastic member 470, the limit block 460 and the guide column 450, the combination first contacts the first pressure roller 432 with a higher height. At this time, the pressure is relatively small, and its main function is to initially fit the cover plate and the touch screen together and expel the air at the edge of the contact surface; as the conveyor belt 100 continues to transport, the combination contacts the subsequent pressure rollers 432 with lower heights in turn, and the pressure gradually increases, gradually squeezing and expelling the air in the middle area to the edge, thereby preventing the air from being wrapped and forming bubbles due to the one-time high pressure; After the lamination is completed, the conveyor belt 100 continues to run and conveys the assembly out; the touch screen's gluing, cover plate lamination and lamination are completed, realizing the automation, precision and efficiency of the touch screen and cover plate lamination process.

[0070] It should be noted that, in this document, the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or apparatus comprising the element.

[0071] Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in reverse order depending on the functions involved. For example, the methods described may be performed in an order different from that described, and various steps may be added, omitted, or combined. Furthermore, features described with reference to certain examples may be combined in other examples.

[0072] The above description is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field can easily think of changes or replacements within the technical scope disclosed by the present invention, which should be covered by the scope of protection of the present invention.

Claims

1. A touch screen dispensing and laminating machine, characterized in that: include: A conveyor belt (100), the conveyor belt (100) being used to convey the touch screen, the touch screen passing through the dispensing mechanism (200), the cover plate grabbing mechanism (300) and the pressing mechanism (400) in sequence along the conveying direction of the conveyor belt (100); A glue dispensing mechanism (200), the glue dispensing mechanism (200) being used to dispense glue on the touch screen; A cover plate grabbing mechanism (300), the cover plate grabbing mechanism (300) being used to grab the cover plate; A pressing mechanism (400), the pressing mechanism (400) being used to press the cover plate and the touch screen; A positioning mechanism (500) is provided corresponding to the cover plate grabbing mechanism (300), the cover plate grabbing mechanism (300) places the grabbed cover plate on the positioning mechanism (500), and the positioning mechanism (500) is used to cover the cover plate on the touch screen.

2. The touch screen dispensing and laminating machine according to claim 1, characterized in that: The dispensing mechanism (200) comprises a moving component (210) and a dispensing gun (220); The dispensing gun (220) is detachably connected to the moving assembly (210); The moving assembly (210) is used to drive the dispensing gun (220) to move; The glue dispensing gun (220) is used for dispensing glue on the touch screen.

3. The touch screen dispensing and laminating machine according to claim 1, characterized in that: The cover plate grabbing mechanism (300) comprises a rotating assembly (310) and a grabbing assembly (320); The grabbing assembly (320) is connected to the rotating assembly (310); The rotating assembly (310) is used to drive the grabbing assembly (320) to rotate, so that the grabbing assembly (320) grabs the cover plate and places the grabbed cover plate on the alignment mechanism (500).

4. The touch screen dispensing and laminating machine according to claim 1, characterized in that: The pressing mechanism (400) comprises a gantry (410), a seventh telescopic member (420), and a pressing assembly (430); The seventh telescopic member (420) is connected to the inner top of the gantry (410), and a pressing assembly (430) is elastically connected to the telescopic end of the seventh telescopic member (420); The seventh telescopic member (420) is used to adjust the height of the pressing assembly (430); The pressing assembly (430) is used to press the cover plate and the touch screen.

5. The touch screen dispensing and laminating machine according to claim 4, characterized in that: The pressing assembly (430) includes a mounting plate (431) and a plurality of pressing rollers (432); The mounting plate (431) is elastically connected to the telescopic end of the seventh telescopic member (420), and the plurality of pressure rollers (432) are rotatably connected to the bottom of the mounting plate (431), and the plurality of pressure rollers (432) are gradually lowered along the conveying direction of the conveyor belt (100); The plurality of pressing rollers (432) are used to press the cover plate and the touch screen in steps.

6. The touch screen dispensing and laminating machine according to claim 3, characterized in that: The alignment mechanism (500) comprises a third column (510), a driving assembly (520), and a plurality of moving rods (530); The driving assembly (520) is connected to the third column (510), and the plurality of moving rods (530) are connected to the driving assembly (520); The driving assembly (520) is used to drive the moving rod (530) to move along the width direction of the conveyor belt (100); The moving rod (530) is used to carry and guide the cover plate, so that the cover plate is placed on the touch screen.

7. The touch screen dispensing and laminating machine according to claim 6, characterized in that: The moving rod (530) comprises an inclined portion and a vertical portion; The inclined portion of the moving rod (530) is located above the vertical portion, and the inclined portion is connected to the vertical portion; The inclined portion of the moving rod (530) is used to support and guide the cover plate; The vertical portion of the moving rod (530) is used to guide the cover plate and to cover the cover plate on the touch screen.

8. The touch screen dispensing and laminating machine according to claim 1, characterized in that: A first limiting mechanism (600) and a second limiting mechanism (700) are sequentially provided on both sides of the conveyor belt (100) in the width direction along the conveying direction of the conveyor belt (100); The first limiting mechanism (600) is provided corresponding to the dispensing mechanism (200), and the second limiting mechanism (700) is provided corresponding to the pressing mechanism (400); The first limiting mechanism (600) is used to limit and guide the touch screen; The second limiting mechanism (700) is used to limit and guide the cover plate and the touch screen.

9. The touch screen dispensing and laminating machine according to claim 8, characterized in that: The first limiting mechanism (600) comprises a first telescopic member (610) and a first limiting plate (620); A first limiting plate (620) is connected to the telescopic end of the first telescopic member (610); The first telescopic member (610) is used to drive the first limiting plate (620) to move; The first limiting plate (620) is used for limiting and guiding the touch screen.

10. The touch screen dispensing and laminating machine according to claim 8, characterized in that: The second limiting mechanism (700) comprises a second telescopic member (710) and a second limiting plate (720); A second limiting plate (720) is connected to the telescopic end of the second telescopic member (710); The second telescopic member (710) is used to drive the second limiting plate (720) to move; The second limiting plate (720) is used to limit and guide the cover plate and the touch screen.

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