Automatic dispensing and laminating equipment for mobile phone display screen and dispensing method

Abstract

The invention discloses automatic dispensing and laminating equipment for a mobile phone display screen and a dispensing method. The automatic dispensing and laminating equipment comprises a machine table, a rotary table, a loading seat, a control box, a material storage mechanism, a first feeding mechanism, a visual mechanism, a dispensing mechanism, a second feeding mechanism, a pressing mechanism and a discharging mechanism, wherein the material storage mechanism, the first feeding mechanism, the visual mechanism, the dispensing mechanism, the second feeding mechanism, the pressing mechanism and the discharging mechanism are arranged around the rotary table; the storage mechanism comprises a first bottom plate, a first positioning plate, a first sliding plate and a first lifting plate, the first feeding mechanism comprises a first supporting plate, a first cross beam, a second sliding plate and a second lifting plate, and the second feeding mechanism comprises a second supporting plate, a second cross beam, a third sliding plate and a third lifting plate. The pressing mechanism comprises a second bottom plate, a first linear motor module, a second linear motor module, a fourth sliding plate, a fourth lifting plate and a lower pressing plate. The discharging mechanism comprises a third supporting plate, a third cross beam, a fifth sliding plate and a fifth lifting plate. According to the technical scheme, the dispensing and laminating efficiency of the inner screen and the outer screen of the mobile phone can be effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of mobile phone display screens, and in particular to automatic glue dispensing and laminating equipment and a glue dispensing method for mobile phone display screens. Background Art

[0002] The mobile phone screen glue dispensing process is an important process in the mobile phone manufacturing process, involving multiple process flows. It not only requires high-performance glue and precision glue dispensing equipment, but also requires accuracy and efficiency. The ultra-narrow frame glue dispensing process is particularly complex and requires extremely high accuracy and efficiency. The mobile phone needs to be glued mainly because glue dispensing can play a role in reinforcement, sealing, insulation, etc., which can protect the sensitive components and electronic components inside the mobile phone and improve the stability and durability of the mobile phone. Specifically, mobile phone glue dispensing can play the following roles: 1. Strengthen the internal structure of the mobile phone, enhance the anti-fall performance of the mobile phone, and prevent the internal components of the mobile phone from being damaged by external forces; 2. Seal the inside of the phone to prevent moisture, dust, etc. from entering the phone and causing damage to the phone; 3. Insulate the internal circuits of the mobile phone to prevent short circuits and faults between circuits; 4. Fix the internal components of the mobile phone to prevent them from displacement or damage during vibration or movement.

[0003] The assembly of the outer screen and the inner screen of a mobile phone display is usually bonded by dispensing glue, which can be used to bond the outer screen and the inner screen so that they will not move or be damaged when subjected to external force.

[0004] However, currently, the outer screen and inner screen of mobile phone displays are mostly fixed by manual glue dispensing, which has slow speed, low production capacity, random consumables, waste of materials, poor precision and high defect rate. Summary of the invention

[0005] The main purpose of the present invention is to propose an automatic glue dispensing and bonding device and a glue dispensing method for a mobile phone display screen, aiming to solve the technical problems that the outer screen and the inner screen of the existing mobile phone display screen are fixed by manual glue dispensing, the manual glue dispensing speed is slow, the production capacity is low, the consumables are random, the materials are wasted, the precision is poor, and the defective rate is high.

[0006] To achieve the above-mentioned purpose, the automatic gluing and bonding equipment for mobile phone display screen proposed in the present invention comprises a machine platform, a turntable, a loading seat, a control box, and a material storage mechanism, a first feeding mechanism, a visual mechanism, a gluing mechanism, a second feeding mechanism, a pressing mechanism and a material unloading mechanism arranged around the turntable. The turntable is rotatably arranged on the upper end of the machine platform, the loading seat is symmetrically arranged on the turntable in a cross shape, a plurality of grooves arranged in a matrix are embedded in the upper end of the loading seat, a first vacuum suction cup is respectively embedded in the grooves, the control box is arranged on one side of the machine platform, the material storage mechanism comprises a first bottom plate, a first positioning plate, a first sliding plate and a first lifting plate, the first bottom plate is arranged on one side of the machine platform, the first A through slot is concavely provided at both ends of a bottom plate, the first positioning plates are respectively arranged on both sides and the front end of the through slot, the first sliding plate can be slidably arranged on the first bottom plate forward and backward, a second positioning plate is convexly provided at the front end of the first sliding plate, the first lifting plate can be lifted up and down in the through slot, the front end of the first lifting plate is concavely provided with an opening slot, the second positioning plate can be embedded in the opening slot, the first positioning plate and the second positioning plate are combined to form a loading slot, the first positioning plate and the second positioning plate are respectively in contact with the edges of the inner screen of the mobile phone display screen to realize the positioning of the inner screen of the mobile phone display screen, the first feeding mechanism comprises a first supporting plate, a first beam, a second sliding plate and a second lifting plate, the The first support plate is vertically arranged on one side of the machine platform, the first crossbeam is arranged on the upper end of the first support plate, the second sliding plate can be slid left and right and arranged below the first crossbeam, the second lifting plate can be lifted up and down and arranged on the second sliding plate, the second lifting plate is vertically provided with a plurality of second vacuum suction cups arranged in a matrix, the visual mechanism includes a support rod, an industrial CCD camera and an annular light source, the support rod is vertically arranged on the machine platform, the industrial CCD camera is vertically arranged on the upper end of the support rod, the annular light source is arranged below the industrial CCD camera, the dispensing mechanism includes a manipulator and a dispensing valve, the manipulator is arranged on the machine platform, and the dispensing valve is respectively provided Placed on the robot, the second loading mechanism includes a second support plate, a second beam, a third sliding plate and a third lifting plate, the second support plate is vertically arranged on one side of the machine, the second beam is arranged above the second support plate, the third sliding plate can be slidably arranged on the lower end of the second beam, the third lifting plate can be slidably arranged on the third sliding plate up and down, and the third lifting is respectively arranged on a plurality of third vacuum suction cups, the pressing mechanism includes a second bottom plate, a first linear motor module, a second linear motor module, a fourth sliding plate, a fourth lifting plate and a lower pressing plate, the second bottom plate is arranged on one side of the machine, the first linear motor module is arranged on the second bottom plate,The second linear motor module is arranged on the slider of the first linear motor module, the fourth sliding plate is vertically arranged on the slider of the second linear motor module, the fourth lifting plate is arranged on the fourth sliding plate to be lifted up and down, the lower pressing plate is arranged at the lower end of the fourth lifting plate, the unloading mechanism includes a third support plate, a third beam, a fifth sliding plate and a fifth lifting plate, the third support plate is arranged on one side of the machine, the third beam is arranged at the upper end of the third support plate, the fifth sliding plate is arranged at the lower end of the third beam to slide left and right, the fifth lifting plate is arranged on the fifth sliding plate to be lifted up and down, and the fifth lifting plate is provided with a plurality of fourth vacuum suction cups.

[0007] Optionally, a turntable drive motor is further included, and the turntable drive motor is arranged below the machine platform, and the turntable is connected to the output shaft of the turntable drive motor.

[0008] Optionally, the material storage mechanism also includes a third linear motor module, a slide rail, a slider, a guide column, a guide sleeve, a sixth lifting plate, a motor mounting plate, a motor, a screw, a nut and a fourth support plate, the third linear motor module and the slide rail are respectively arranged on the first bottom plate, the slider of the third linear motor module is fixedly connected to the first sliding plate, the slider is arranged on the first sliding plate, the slider is slidably connected to the slide rail, the guide columns are respectively vertically arranged on both sides of the lower end wall of the through groove, the guide sleeves are respectively embedded in the two ends of the sixth lifting plate, the guide sleeves are respectively slidably connected to the guide columns, the two ends of the motor mounting plate are respectively fixedly connected to the lower end of the guide column, the motor is arranged on the motor mounting plate, the two ends of the screw are respectively rotatably connected to the motor mounting plate and the machine, the nut is fixedly connected to the sixth lifting plate, the nut is screwed on the screw, the fourth support plate is vertically arranged on the sixth lifting plate, and the upper ends of the fourth support plate are respectively fixedly connected to the first lifting plate.

[0009] Optionally, a plurality of photoelectric sensors are provided at the rear end of the through slot.

[0010] Optionally, the first loading mechanism also includes a fourth linear motor module and a first lifting cylinder, the fourth linear motor module is arranged at the lower end of the first beam, the second sliding plate is fixedly connected to the slider of the fourth linear motor module, the first lifting cylinder is arranged on the second sliding plate, and the second lifting plate is fixedly connected to the cylinder rod of the first lifting cylinder.

[0011] Optionally, the second loading mechanism also includes a fifth linear motor module and a second lifting cylinder, the fifth linear motor module is arranged at the lower end of the second cross beam, the third sliding plate is fixedly connected to the slider of the fifth linear motor module, the second lifting cylinder is arranged on the third sliding plate, and the third lifting plate is fixedly connected to the cylinder rod of the second lifting cylinder.

[0012] Optionally, the pressing mechanism also includes a third lifting cylinder, a photoelectric position sensor and a sensing block. The third lifting cylinder is arranged on the fourth sliding plate, and the cylinder rod of the third lifting cylinder is fixedly connected to the fourth lifting plate. The photoelectric position sensor is respectively arranged at the upper end and the lower end of the fourth sliding plate. The sensing block is arranged on one side of the fourth lifting plate, and the sensing blocks are respectively inductively connected to the photoelectric position sensors.

[0013] Optionally, the unloading mechanism further includes a sixth linear motor module and a fourth lifting cylinder, the sixth linear motor module is arranged on the fifth sliding plate, and the cylinder rod of the fourth lifting cylinder is fixedly connected to the fifth lifting plate.

[0014] On the other hand, the present invention also provides a glue dispensing method according to the above-mentioned mobile phone display automatic glue dispensing and bonding device, and the glue dispensing method comprises the following steps: S100: placing a stack of inner screens of the mobile phone display screen into the loading slot of the storage mechanism at a time, and driving the second positioning plate to slide forward by the third linear motor module, so that the first positioning plate and the second positioning plate respectively abut against the edges of the inner screen of the mobile phone display screen, thereby realizing the positioning of the inner screen of the mobile phone display screen; S200: driving the first lifting plate to rise by a motor, so that the inner screen of the mobile phone display screen located at the uppermost end of the loading slot reaches a preset height, moving the second lifting plate of the first feeding mechanism to the upper part of the loading slot, and then lowering the second vacuum suction cup until it contacts the inner screen of the mobile phone screen, and sucking the two inner screens of the mobile phone screen by the second vacuum suction cup and transferring them to the loading seat on the turntable, and sucking and fixing them by the first vacuum suction cup on the loading seat; S300: The turntable rotates counterclockwise, so that the inner screen of the mobile phone on the loading seat reaches the bottom of the industrial CCD camera of the visual mechanism, and the turntable stops rotating. The inner screen of the mobile phone is photographed and imaged by the industrial CCD camera, which is convenient for the dispensing robot to perform visual positioning; S400: The turntable continues to rotate to the position of the dispensing mechanism. The dispensing valve is controlled by the manipulator of the dispensing mechanism to evenly apply mobile phone-specific glue on the edges of the inner screen. Then, the outer screen is adsorbed by the third vacuum suction cup of the second feeding mechanism and moved to the top of the inner screen. The outer screen is aligned with the inner screen and gently attached. S500: the turntable continues to rotate and stops when it reaches the position of the pressing mechanism. The lower pressing plate of the pressing mechanism slowly descends to make it contact with the outer screen. The pressing state is maintained for a certain period of time to allow the glue to solidify, thereby achieving the purpose of pressing. S600: The turntable continues to rotate and stops after reaching the bottom of the unloading mechanism. The mobile phone display screen after glue dispensing and bonding is transferred to the conveyor belt through the fourth vacuum suction cup of the unloading mechanism, so that the products that have completed glue dispensing and bonding are automatically unloaded. Then the turntable continues to rotate and stops after reaching the bottom of the first loading mechanism. The first loading mechanism re-places the new product to be glued on the loading seat, and this cycle is repeated to achieve uninterrupted glue dispensing.

[0015] The technical solution of the present invention has the following beneficial effects: the technical solution of the present invention, by placing a stack of inner screens of mobile phone display screens into the loading slot of the storage mechanism at one time, and driving the second positioning plate to slide forward by the third linear motor module, so that the first positioning plate and the second positioning plate respectively abut against the edges of the inner screen of the mobile phone display screen, so as to realize the positioning of the inner screen of the mobile phone display screen; the first lifting plate is driven to rise by the motor, so that the inner screen of the mobile phone display screen located at the uppermost end of the loading slot reaches a preset height, the second lifting plate of the first feeding mechanism is moved to the top of the loading slot, and then the second vacuum suction cup is lowered until it abuts against the inner screen of the mobile phone screen, and the two inner screens of the mobile phone screen are adsorbed by the second vacuum suction cup and transferred to the loading seat on the turntable, and fixed by the first vacuum suction cup on the loading seat; the turntable rotates counterclockwise so that the inner screen of the mobile phone screen on the loading seat reaches the bottom of the industrial CCD camera of the visual mechanism, the turntable stops rotating, and the inner screen of the mobile phone screen is photographed and imaged by the industrial CCD camera, so as to facilitate the visual positioning of the dispensing robot; the turntable continues to rotate to reach the position of the dispensing mechanism, and the dispensing mechanism is used to fix the inner screen of the mobile phone screen by the second vacuum suction cup. The robot controls the dispensing valve to evenly apply mobile phone-specific glue on the edges of the inner screen. Then, the outer screen is adsorbed by the third vacuum suction cup of the second feeding mechanism and moved to the top of the inner screen. The outer screen is aligned with the inner screen and gently attached. The turntable continues to rotate and stops when it reaches the position of the pressing mechanism. The lower pressure plate of the pressing mechanism slowly descends to make it contact with the outer screen. The pressing state is maintained for a certain period of time to allow the glue to solidify, so as to achieve the purpose of pressing. The turntable continues to rotate and stops when it reaches the bottom of the unloading mechanism. The inner screen is then attached to the inner screen through the fourth vacuum suction cup of the unloading mechanism. After gluing and bonding, the mobile phone display screen is transferred to the conveyor belt, and the products that have completed gluing and bonding are automatically unloaded. Then the turntable continues to rotate to the bottom of the first feeding mechanism and stops. The first feeding mechanism re-places the new product to be glued on the loading seat, and repeats this process to achieve uninterrupted gluing and efficient continuous gluing, and the inner screen and the outer screen are bonded together with optical glue, thereby effectively improving the gluing and bonding efficiency of the inner and outer screens of the mobile phone display screen, reducing labor costs, and having high stability, effectively improving the efficiency and quality of gluing and bonding the inner and outer screens of the mobile phone. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. 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 the structures shown in these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the overall structure of an automatic glue dispensing and bonding device for a mobile phone display screen according to an embodiment of the present invention; Figure 2 It is a partial structural schematic diagram of an automatic glue dispensing and bonding device for a mobile phone display screen according to an embodiment of the present invention; Figure 3 It is a structural schematic diagram of a loading base of a mobile phone display screen automatic glue dispensing and bonding device according to an embodiment of the present invention; Figure 4 This is a structural schematic diagram of a material storage mechanism of an automatic glue dispensing and bonding device for a mobile phone display screen according to an embodiment of the present invention; Figure 5 It is a structural schematic diagram of a first feeding mechanism of an automatic glue dispensing and bonding device for a mobile phone display screen according to an embodiment of the present invention; Figure 6 It is a structural schematic diagram of a second feeding mechanism of an automatic glue dispensing and bonding device for a mobile phone display screen according to an embodiment of the present invention; Figure 7 This is a schematic structural diagram of a pressing mechanism of an automatic glue dispensing and laminating device for a mobile phone display screen according to an embodiment of the present invention; Figure 8 The present invention is a flowchart of the steps of a glue dispensing method of an automatic glue dispensing and bonding device for a mobile phone display screen according to an embodiment of the present invention.

[0018] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0021] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0022] The invention provides an automatic glue dispensing and laminating device for a mobile phone display screen and a glue dispensing method.

[0023] like Figures 1 to 7As shown, in one embodiment of the present invention, the automatic glue dispensing and bonding device for a mobile phone display screen includes a machine table 101, a turntable 102, a loading seat 103, a control box 104, and a material storage mechanism 200, a first feeding mechanism 300, a visual mechanism 400, a glue dispensing mechanism 500, a second feeding mechanism 600, a pressing mechanism 700 and a material discharge mechanism 800 arranged around the turntable 102. The turntable 102 is rotatably arranged on the upper end of the machine table 101, and the loading seat 103 is symmetrically arranged on the turntable 102 in a cross shape. The upper end of the loading seat 103 is embedded with a plurality of grooves 1031 arranged in a matrix, and a first vacuum suction cup 1032 is respectively embedded in the grooves 1031. The control box 104 is arranged on one side of the machine 101. The material storage mechanism 200 includes a first bottom plate 201, a first positioning plate 202, a first sliding plate 203 and a first lifting plate 204. The first bottom plate 201 is arranged on one side of the machine 101. Both ends of the first bottom plate 201 are respectively concavely provided with a through groove 2011. The first positioning plate 202 is respectively arranged on both sides and the front end of the through groove 2011. The first sliding plate 203 can be slidably arranged on the first bottom plate 201 forward and backward. The front end of the first sliding plate 203 is convexly provided with a second positioning plate 2031. The first lifting plate 204 is provided with a first positioning plate 2031. The lowering plate 204 can be lifted up and down and is arranged in the through groove 2011. The front end of the first lifting plate 204 is recessed with an opening groove 2011. The second positioning plate 202 can be embedded in the opening groove 2011. The first positioning plate 202 and the second positioning plate 2031 are surrounded to form a loading groove 205. The first positioning plate 202 and the second positioning plate 2031 are respectively abutted against the edges of the inner screen of the mobile phone display screen to realize the positioning of the inner screen of the mobile phone display screen. The first feeding mechanism 300 includes a first supporting plate 301, a first beam 302, a second sliding plate 303 and a second lifting plate 304. A support plate 301 is vertically arranged on one side of the machine platform 101, a first beam 302 is arranged at the upper end of the first support plate 301, a second sliding plate 303 is slidably arranged below the first beam 302, a second lifting plate 304 is arranged on the second sliding plate 303 and can be lifted up and down, and a plurality of second vacuum suction cups 305 arranged in a matrix are vertically arranged on the second lifting plate 304, and a visual mechanism 400 includes a support rod 401, an industrial CCD camera 402 and a ring light source 403. The support rod 401 is vertically arranged on the machine platform 101, and the industrial CCD camera 402 and the ring light source 403 are arranged on the second lifting plate 304. The camera 402 is vertically arranged at the upper end of the support rod 401, the annular light source 403 is arranged below the industrial CCD camera 402, the dispensing mechanism 500 includes a manipulator (not shown) and a dispensing valve 501, the manipulator is arranged on the machine platform 101, and the dispensing valve 501 is respectively arranged on the manipulator, the second feeding mechanism 600 includes a second support plate 601, a second beam 602, a third sliding plate 603 and a third lifting plate 604, the second support plate 601 is vertically arranged on one side of the machine platform 101, and the second beam 602 is arranged above the second support plate 601,The third sliding plate 603 can be slidably arranged at the lower end of the second beam 602, the third lifting plate 604 can be slidably arranged on the third sliding plate 603 up and down, and the third lifting plates 604 are respectively arranged on multiple third vacuum suction cups 605. The pressing mechanism 700 includes a second bottom plate 701, a first linear motor module 702, a second linear motor module 703, a fourth sliding plate 704, a fourth lifting plate 705 and a lower pressing plate 706. The second bottom plate 701 is arranged on one side of the machine platform 101, the first linear motor module 702 is arranged on the second bottom plate 701, the second linear motor module 703 is arranged on the slider of the first linear motor module 702, and the fourth sliding plate 704 The fourth lifting plate 705 is vertically arranged on the slider of the second linear motor module 703, and the fourth lifting plate 705 is arranged on the fourth sliding plate 704 to be lifted and lowered. The lower pressing plate 706 is arranged at the lower end of the fourth lifting plate 705. The unloading mechanism 800 includes a third support plate 801, a third beam 802, a fifth sliding plate (not shown) and a fifth lifting plate 803. The third support plate 801 is arranged on one side of the machine 101, the third beam 802 is arranged at the upper end of the third support plate 801, the fifth sliding plate is arranged at the lower end of the third beam 802 to slide left and right, and the fifth lifting plate 803 is arranged on the fifth sliding plate to be lifted and lowered. The fifth lifting plate 803 is provided with a plurality of fourth vacuum suction cups (not shown).

[0024] Specifically, it also includes a turntable drive motor (not shown), which is disposed below the machine platform 101 , and the turntable 102 is connected to the output shaft of the turntable drive motor.

[0025] Specifically, the material storage mechanism 200 also includes a third linear motor module 206, a slide rail 207, a slider 208, a guide column 209, a guide sleeve 210, a sixth lifting plate 211, a motor mounting plate 212, a motor 213, a screw 214, a nut 215 and a fourth support plate 216. The third linear motor module 206 and the slide rail 207 are respectively arranged on the first base plate 201, the slider of the third linear motor module 206 is fixedly connected to the first sliding plate 203, the slider 208 is arranged on the first sliding plate 203, the slider 208 is slidably connected to the slide rail 207, the guide columns 209 are respectively vertically arranged on both sides of the lower end wall of the through groove 2011, the guide sleeves 210 are respectively embedded in the two ends of the sixth lifting plate 212, and the guide sleeves 210 are respectively connected to the The guide column 209 is slidably connected, and the two ends of the motor mounting plate 212 are fixedly connected to the lower end of the guide column 209 respectively. The motor 213 is arranged on the motor mounting plate 212, and the two ends of the screw 214 are rotatably connected to the motor mounting plate 212 and the machine 101 respectively. The nut 215 is fixedly connected to the sixth lifting plate 211, and the nut 215 is screwed on the screw 214. The fourth support plate 216 is vertically arranged on the sixth lifting plate 211, and the upper ends of the fourth support plate 216 are fixedly connected to the first lifting plate 204 respectively. The first lifting plate is driven to rise and fall by the motor to realize lifting the uppermost product in the loading slot to a preset height and always keeping it at the same height, which is convenient for the first feeding mechanism to adsorb the product and simplifies the control steps of the first feeding mechanism.

[0026] Specifically, a plurality of photoelectric sensors 217 are provided at the rear end of the through slot 2011, so as to detect the position of the top product in the loading slot through the photoelectric sensors, thereby raising the top product in the loading slot to a preset height and always keeping it at the same height.

[0027] Specifically, the first loading mechanism 300 also includes a fourth linear motor module 306 and a first lifting cylinder 307. The fourth linear motor module 306 is arranged at the lower end of the first beam 302. The second sliding plate 303 is fixedly connected to the slider of the fourth linear motor module 306. The first lifting cylinder 307 is arranged on the second sliding plate 303. The second lifting plate 304 is fixedly connected to the cylinder rod of the first lifting cylinder 307.

[0028] Specifically, the second loading mechanism 600 also includes a fifth linear motor module 606 and a second lifting cylinder 607. The fifth linear motor module 606 is arranged at the lower end of the second beam 602. The third sliding plate 603 is fixedly connected to the slider of the fifth linear motor module 606. The second lifting cylinder 607 is arranged on the third sliding plate 603. The third lifting plate 604 is fixedly connected to the cylinder rod of the second lifting cylinder 607.

[0029] Specifically, the pressing mechanism 700 also includes a third lifting cylinder 707, a photoelectric position sensor 708 and a sensing block 709. The third lifting cylinder 707 is arranged on the fourth sliding plate 704, and the cylinder rod of the third lifting cylinder 707 is fixedly connected to the fourth lifting plate 705. The photoelectric position sensor 708 is respectively arranged at the upper end and the lower end of the fourth sliding plate 704. The sensing block 709 is arranged on one side of the fourth lifting plate 705, and the sensing block 709 is respectively inductively connected to the photoelectric position sensor 708. The height position of the lower pressure plate is detected by the photoelectric position sensor 708 and the sensing block 709.

[0030] Specifically, the unloading mechanism 800 also includes a sixth linear motor module (not shown) and a fourth lifting cylinder (not shown). The sixth linear motor module is arranged on the fifth sliding plate, and the cylinder rod of the fourth lifting cylinder is fixedly connected to the fifth lifting plate.

[0031] On the other hand, Figure 8 As shown, the present invention also proposes a dispensing method according to the above-mentioned mobile phone display screen automatic dispensing and bonding device, and the dispensing method comprises the following steps: S100: placing a stack of inner screens of the mobile phone display screen into the loading slot of the storage mechanism at a time, and driving the second positioning plate to slide forward by the third linear motor module, so that the first positioning plate and the second positioning plate respectively abut against the edges of the inner screen of the mobile phone display screen, thereby realizing the positioning of the inner screen of the mobile phone display screen; S200: driving the first lifting plate to rise by a motor, so that the inner screen of the mobile phone display screen located at the uppermost end of the loading slot reaches a preset height, moving the second lifting plate of the first feeding mechanism to the upper part of the loading slot, and then lowering the second vacuum suction cup until it contacts the inner screen of the mobile phone screen, and sucking the two inner screens of the mobile phone screen by the second vacuum suction cup and transferring them to the loading seat on the turntable, and sucking and fixing them by the first vacuum suction cup on the loading seat; S300: The turntable rotates counterclockwise, so that the inner screen of the mobile phone on the loading seat reaches the bottom of the industrial CCD camera of the visual mechanism, and the turntable stops rotating. The inner screen of the mobile phone is photographed and imaged by the industrial CCD camera, which is convenient for the dispensing robot to perform visual positioning; S400: The turntable continues to rotate to the position of the dispensing mechanism. The dispensing valve is controlled by the manipulator of the dispensing mechanism to evenly apply mobile phone-specific glue on the edges of the inner screen. Then, the outer screen is adsorbed by the third vacuum suction cup of the second feeding mechanism and moved to the top of the inner screen. The outer screen is aligned with the inner screen and gently attached. S500: the turntable continues to rotate and stops when it reaches the position of the pressing mechanism. The lower pressing plate of the pressing mechanism slowly descends to make it contact with the outer screen and maintains the pressing state for a certain period of time to maintain the pressure and allow the glue to solidify, thereby achieving the purpose of pressing. S600: The turntable continues to rotate and stops after reaching the bottom of the unloading mechanism. The mobile phone display screen after glue dispensing and bonding is transferred to the conveyor belt through the fourth vacuum suction cup of the unloading mechanism, so that the products that have completed glue dispensing and bonding are automatically unloaded. Then the turntable continues to rotate and stops after reaching the bottom of the first loading mechanism. The first loading mechanism re-places the new product to be glued on the loading seat, and this cycle is repeated to achieve uninterrupted glue dispensing.

[0032] Specifically, the working principle and process of the present invention are: The inner screens of the mobile phone display screen are placed in the loading slot of the storage mechanism one by one, and the second positioning plate is driven to slide forward by the third linear motor module, so that the first positioning plate and the second positioning plate are respectively in contact with the edges of the inner screen of the mobile phone display screen, so as to realize the positioning of the inner screen of the mobile phone display screen; the first lifting plate is driven to rise by the motor, so that the inner screen of the mobile phone display screen located at the uppermost end of the loading slot reaches a preset height, the second lifting plate of the first feeding mechanism is moved to the top of the loading slot, and then the second vacuum suction cup is lowered until it is in contact with the inner screen of the mobile phone screen, and the two inner screens of the mobile phone screen are adsorbed by the second vacuum suction cup and transferred to the loading seat on the turntable, and fixed by the first vacuum suction cup on the loading seat; the turntable rotates counterclockwise, so that the inner screen of the mobile phone screen on the loading seat reaches the bottom of the industrial CCD camera of the visual mechanism, the turntable stops rotating, and the inner screen of the mobile phone screen is photographed and imaged by the industrial CCD camera, so as to facilitate the visual positioning of the dispensing robot; the turntable continues to rotate to reach the position of the dispensing mechanism, and the dispensing valve is controlled by the robot of the dispensing mechanism to seal the inner screen around The edge is evenly coated with special glue for mobile phones, and then the third vacuum suction cup of the second feeding mechanism adsorbs the outer screen and moves it to the top of the inner screen, aligning the outer screen with the inner screen and gently attaching it; the turntable continues to rotate and stops after reaching the position of the pressing mechanism, and the lower pressing plate of the pressing mechanism slowly descends to make it abut against the outer screen, and the pressing state is maintained for a certain period of time to allow the glue to solidify, so as to achieve the purpose of pressing; the turntable continues to rotate and stops after reaching the bottom of the unloading mechanism, and the mobile phone display screen after the dispensing and bonding is transferred to the conveyor belt through the fourth vacuum suction cup of the unloading mechanism, so as to realize the automatic unloading of the products that have completed the dispensing and bonding, and then the turntable continues to rotate to the bottom of the first feeding mechanism and stops, and the first feeding mechanism re-places the new product to be dispensed on the loading seat, and so on and so forth, to achieve uninterrupted dispensing, to achieve efficient and continuous dispensing, and to bond the inner screen and the outer screen together through optical glue, thereby effectively improving the dispensing and bonding efficiency of the inner screen and the outer screen of the mobile phone display screen, reducing labor costs, and having high stability, effectively improving the efficiency and quality of dispensing and bonding of the inner screen and the outer screen of the mobile phone.

[0033] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An automatic glue dispensing and bonding device for a mobile phone display screen, characterized in that: The invention comprises a machine, a turntable, a loading seat, a control box, a material storage mechanism, a first feeding mechanism, a visual mechanism, a dispensing mechanism, a second feeding mechanism, a pressing mechanism and a material unloading mechanism arranged around the turntable, the turntable is rotatably arranged on the upper end of the machine, the loading seat is symmetrically arranged on the turntable in a cross shape, a plurality of grooves arranged in a matrix are embedded in the upper end of the loading seat, a first vacuum suction cup is respectively embedded in the grooves, the control box is arranged on one side of the machine, the material storage mechanism comprises a first bottom plate, a first positioning plate, a first sliding plate and a first lifting plate, the first bottom plate is arranged on one side of the machine, two ends of the first bottom plate are respectively recessed with a through groove, the first positioning plate is respectively provided with a through groove The cam is placed on both sides and the front end of the through slot, the first sliding plate can be slidably arranged on the first bottom plate forward and backward, the front end of the first sliding plate is convexly provided with a second positioning plate, the first lifting plate can be lifted up and down in the through slot, the front end of the first lifting plate is concavely provided with an opening slot, the second positioning plate can be embedded in the opening slot, the first positioning plate and the second positioning plate are combined to form a loading slot, the first positioning plate and the second positioning plate are respectively abutted against the edges of the inner screen of the mobile phone display screen to realize the positioning of the inner screen of the mobile phone display screen, the first feeding mechanism comprises a first supporting plate, a first beam, a second sliding plate and a second lifting plate, the first supporting plate is vertically arranged on one side of the machine, the first beam is arranged The upper end of the first support plate, the second sliding plate can be slid left and right and arranged below the first crossbeam, the second lifting plate can be lifted up and down and arranged on the second sliding plate, the second lifting plate is vertically provided with a plurality of second vacuum suction cups arranged in a matrix, the visual mechanism includes a support rod, an industrial CCD camera and an annular light source, the support rod is vertically arranged on the machine platform, the industrial CCD camera is vertically arranged at the upper end of the support rod, the annular light source is arranged below the industrial CCD camera, the dispensing mechanism includes a manipulator and a dispensing valve, the manipulator is arranged on the machine platform, the dispensing valve is respectively arranged on the manipulator, the second feeding mechanism includes a second support plate, a second crossbeam, and a second lifting plate. Beam, a third sliding plate and a third lifting plate, the second support plate is vertically arranged on one side of the machine platform, the second cross beam is arranged above the second support plate, the third sliding plate can be slidably arranged on the lower end of the second cross beam, the third lifting plate can be slidably arranged on the third sliding plate up and down respectively, the third lifting is respectively arranged on a plurality of third vacuum suction cups, the pressing mechanism includes a second bottom plate, a first linear motor module, a second linear motor module, a fourth sliding plate, a fourth lifting plate and a lower pressing plate, the second bottom plate is arranged on one side of the machine platform, the first linear motor module is arranged on the second bottom plate, and the second linear motor module is arranged on the slider of the first linear motor module,The fourth sliding plate is vertically arranged on the slider of the second linear motor module, the fourth lifting plate is arranged on the fourth sliding plate to be lifted up and down, the lower pressing plate is arranged at the lower end of the fourth lifting plate, the unloading mechanism includes a third supporting plate, a third beam, a fifth sliding plate and a fifth lifting plate, the third supporting plate is arranged on one side of the machine, the third beam is arranged at the upper end of the third supporting plate, the fifth sliding plate is arranged at the lower end of the third beam to slide left and right, the fifth lifting plate is arranged on the fifth sliding plate to be lifted up and down, and the fifth lifting plate is provided with a plurality of fourth vacuum suction cups.

2. The mobile phone display screen automatic glue dispensing and bonding device according to claim 1 is characterized in that: It also includes a turntable drive motor, which is arranged below the machine platform, and the turntable is connected to the output shaft of the turntable drive motor.

3. The mobile phone display screen automatic glue dispensing and bonding device according to claim 1 is characterized in that: The material storage mechanism also includes a third linear motor module, a slide rail, a slider, a guide column, a guide sleeve, a sixth lifting plate, a motor mounting plate, a motor, a screw, a nut and a fourth support plate, the third linear motor module and the slide rail are respectively arranged on the first bottom plate, the slider of the third linear motor module is fixedly connected to the first sliding plate, the slider is arranged on the first sliding plate, the slider is slidably connected to the slide rail, the guide columns are respectively vertically arranged on both sides of the lower end wall of the through groove, the guide sleeves are respectively embedded in the two ends of the sixth lifting plate, the guide sleeves are respectively slidably connected to the guide columns, the two ends of the motor mounting plate are respectively fixedly connected to the lower end of the guide column, the motor is arranged on the motor mounting plate, the two ends of the screw are respectively rotatably connected to the motor mounting plate and the machine, the nut is fixedly connected to the sixth lifting plate, the nut is screwed on the screw, the fourth support plate is vertically arranged on the sixth lifting plate, and the upper ends of the fourth support plate are respectively fixedly connected to the first lifting plate.

4. The mobile phone display screen automatic glue dispensing and bonding device according to claim 1 is characterized in that: A plurality of photoelectric sensors are arranged at the rear end of the through slot.

5. The mobile phone display screen automatic glue dispensing and bonding device according to claim 1, characterized in that: The first loading mechanism also includes a fourth linear motor module and a first lifting cylinder. The fourth linear motor module is arranged at the lower end of the first beam. The second sliding plate is fixedly connected to the slider of the fourth linear motor module. The first lifting cylinder is arranged on the second sliding plate. The second lifting plate is fixedly connected to the cylinder rod of the first lifting cylinder.

6. The mobile phone display screen automatic glue dispensing and bonding device according to claim 1, characterized in that: The second loading mechanism also includes a fifth linear motor module and a second lifting cylinder. The fifth linear motor module is arranged at the lower end of the second cross beam. The third sliding plate is fixedly connected to the slider of the fifth linear motor module. The second lifting cylinder is arranged on the third sliding plate. The third lifting plate is fixedly connected to the cylinder rod of the second lifting cylinder.

7. The mobile phone display screen automatic glue dispensing and bonding device according to claim 1, characterized in that: The pressing mechanism also includes a third lifting cylinder, a photoelectric position sensor and a sensing block. The third lifting cylinder is arranged on the fourth sliding plate, and the cylinder rod of the third lifting cylinder is fixedly connected to the fourth lifting plate. The photoelectric position sensor is respectively arranged at the upper end and the lower end of the fourth sliding plate. The sensing block is arranged on one side of the fourth lifting plate, and the sensing blocks are respectively inductively connected to the photoelectric position sensor.

8. The mobile phone display screen automatic glue dispensing and bonding device according to claim 1, characterized in that: The unloading mechanism also includes a sixth linear motor module and a fourth lifting cylinder. The sixth linear motor module is arranged on the fifth sliding plate, and the cylinder rod of the fourth lifting cylinder is fixedly connected to the fifth lifting plate.

9. The method for dispensing glue according to any one of claims 1 to 8, characterized in that: The dispensing method comprises the following steps: S100: placing a stack of inner screens of the mobile phone display screen into the loading slot of the storage mechanism at a time, and driving the second positioning plate to slide forward by the third linear motor module, so that the first positioning plate and the second positioning plate respectively abut against the edges of the inner screen of the mobile phone display screen, thereby realizing the positioning of the inner screen of the mobile phone display screen; S200: driving the first lifting plate to rise by a motor, so that the inner screen of the mobile phone display screen located at the uppermost end of the loading slot reaches a preset height, moving the second lifting plate of the first feeding mechanism to the upper part of the loading slot, and then lowering the second vacuum suction cup until it contacts the inner screen of the mobile phone screen, and sucking the two inner screens of the mobile phone screen by the second vacuum suction cup and transferring them to the loading seat on the turntable, and sucking and fixing them by the first vacuum suction cup on the loading seat; S300: The turntable rotates counterclockwise, so that the inner screen of the mobile phone on the loading seat reaches the bottom of the industrial CCD camera of the visual mechanism, and the turntable stops rotating. The inner screen of the mobile phone is photographed and imaged by the industrial CCD camera, which is convenient for the dispensing robot to perform visual positioning; S400: The turntable continues to rotate to the position of the dispensing mechanism. The dispensing valve is controlled by the manipulator of the dispensing mechanism to evenly apply mobile phone-specific glue on the edges of the inner screen. Then, the outer screen is adsorbed by the third vacuum suction cup of the second feeding mechanism and moved to the top of the inner screen. The outer screen is aligned with the inner screen and gently attached. S500: the turntable continues to rotate and stops when it reaches the position of the pressing mechanism. The lower pressing plate of the pressing mechanism slowly descends to make it contact with the outer screen. The pressing state is maintained for a certain period of time to allow the glue to solidify, thereby achieving the purpose of pressing. S600: The turntable continues to rotate and stops after reaching the bottom of the unloading mechanism. The mobile phone display screen after glue dispensing and bonding is transferred to the conveyor belt through the fourth vacuum suction cup of the unloading mechanism, so that the products that have completed glue dispensing and bonding are automatically unloaded. Then the turntable continues to rotate and stops after reaching the bottom of the first loading mechanism. The first loading mechanism re-places the new product to be glued on the loading seat, and this cycle is repeated to achieve uninterrupted glue dispensing.

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