Automatic dispensing device for liquid crystal glass substrate

Abstract

The present invention provides an automatic dispensing device for liquid crystal glass substrates, which relates to the technical field of dispensing equipment, and solves the problem that the dispensing device positions the glass substrate through two positioning methods. The device comprises a control body, wherein a positioning frame is provided on the top of the control body, and a group of driving mechanisms are installed inside the control body, and the driving mechanism is composed of a first electric motor, a threaded rod, a driving plate and a connecting block. A group of transverse clamping mechanisms are installed at the position of the positioning frame, and the transverse clamping mechanisms are composed of a second electric motor, a rack, a first clamping block and a movable block. A group of transverse clamping mechanisms and a group of vertical clamping mechanisms are set on the basis of the dispensing device, and the two clamping mechanisms cooperate with each other to realize two positioning methods of the glass substrate, so as to realize the effect of convenient horizontal and vertical dispensing of the glass substrate. A dispensing tube is set to clamp the glass substrate, and the clamping blocks are moved inward from both ends to realize the effect of automatic positioning of glass substrates of different sizes.

Description

Technical Field

[0001] The invention relates to the technical field of glue dispensing equipment, and in particular to an automatic glue dispensing device for a liquid crystal glass substrate. Background Art

[0002] With the continuous progress of semiconductors, displays in the semiconductor field are now being produced continuously. Among them, liquid crystal glass substrates are included in the displays. Liquid crystal glass substrates need to be glued during the production process. However, the current glass substrates are directly placed on the glue dispensing device. Therefore, there is a problem of inaccurate alignment of the glass substrate before glue dispensing. Increasing the operating steps of the positioning system of the glue dispensing device is also likely to cause glue dispensing errors on the glass substrate. In addition, the current glass substrates are basically laid flat on the glue dispensing device, resulting in low efficiency when gluing the glass substrate at the edge. Secondly, the glue inside the glue dispensing head of the glue dispensing device is easy to solidify during the shutdown process, affecting the secondary use of the glue. Summary of the invention

[0003] In view of this, the present invention provides an automatic glue dispensing device for a liquid crystal glass substrate to solve the problem that the glue dispensing device positions the glass substrate in two positioning modes.

[0004] The invention provides an automatic dispensing device for a liquid crystal glass substrate, which specifically comprises: a control body, wherein a positioning frame is provided on the top of the control body, a group of driving mechanisms are installed inside the control body, the driving mechanism is composed of a first electric motor, a threaded rod, a driving plate and a connecting block, a group of transverse clamping mechanisms are installed at the position of the positioning frame, the transverse clamping mechanism is composed of a second electric motor, a rack, a first clamping block and a movable block, a support plate is provided on both sides of the control body, a movably connected sealing plate is installed on the support plate, a driving handle is installed on the top of the control body, a group of vertical clamping mechanisms are installed on the outside of the driving handle, the vertical clamping mechanism is composed of a clamping plate, a second clamping block and a second positioning bolt, a locking bolt is installed at the bottom of the clamping plate in the middle position, a cylinder is installed at the top of the support plate, an L-shaped stabilizing frame is installed at the end of the push rod of the cylinder, a group of dispensing components are installed at the outer position of the stabilizing frame, and the dispensing components are composed of a first shell, a second shell, a dustproof plate and a dispensing tube.

[0005] Furthermore, the first electric motor and the threaded rod are respectively installed inside the control body, and a threaded hole is provided at the bottom of the driving plate. The threaded rod passes through the threaded hole and is connected to the driving shaft of the first electric motor.

[0006] Furthermore, the driving plate is provided with a connecting block with a cylindrical structure on the top, and the clamping plate in the middle is provided with a positioning sleeve with a waist-shaped hole structure, and the connecting block extends to the inside of the positioning drive.

[0007] Furthermore, the second electric motor is installed in the middle position of the bottom of the driving plate, the second electric motor passes through the interior of the driving plate and a gear is installed on the outside, two symmetrically distributed racks are installed on the outside of the gear, the gear and the two racks are meshed, the driving plate is provided with two inclined sliding grooves on the top, the bottom of the rack extends to the inside of the sliding groove, the rack is provided with a horizontal first clamping block at one end, the first clamping block is installed with a hinged movable block at one end, and a locking bolt is installed at the hinge between the first clamping block and the movable block.

[0008] Furthermore, the support plate has a sliding groove on one side, a first positioning bolt is installed at the position of the sliding groove, a sealing plate is installed inside the sliding groove of the support plate at one end, a sliding hole is formed at one end of the sealing plate, the first positioning bolt passes through the sliding hole, a support spring is installed on the outside of the first positioning bolt, and the support spring is arranged at the bottom position of the sealing plate.

[0009] Furthermore, the sealing plate is provided with a sealing groove corresponding to the head of the dispensing tube on one side, and a positioning hole is provided on the sealing plate on one side of the sealing groove, and a filter element is installed inside the positioning hole.

[0010] Furthermore, the driving handle is provided with a group of positioning strips on the outer side surface, the positioning strips are distributed in a ring shape, the positioning strips are arc structures, and the clamping plate has a through hole at the bottom that fits with the driving handle.

[0011] Furthermore, the clamping plate has a group of positioning grooves on one side, a group of second clamping blocks are installed at the positioning grooves, a sliding hole is opened at the bending part of the clamping plate, a second positioning bolt is inserted at the sliding hole, a group of support springs are installed on the outside of the second positioning bolt, and the support springs are arranged at the internal position of the clamping plate.

[0012] Furthermore, the stabilizing frame is provided with two wire-replenishing grooves on the outer side, a group of power cords are installed at the positions of the wire-replenishing grooves, a conductive sleeve is provided at the bottom of the power cord, a heating block is installed between the first shell and the second shell, and a group of conductive blocks electrically connected to the heating block are installed on the first shell and the second shell, and the conductive blocks extend to the inside of the conductive sleeve.

[0013] Furthermore, a second shell is installed on one side of the first shell in cooperation with a group of bolts, and a stepped positioning groove is respectively provided inside the first shell and the second shell, a dispensing tube is installed at the position of the positioning groove, and a bent dustproof plate is provided at the bottom of the first shell.

[0014] The automatic dispensing device for liquid crystal glass substrate provided by the present invention has the following beneficial effects:

[0015] A set of horizontal clamping mechanisms and a set of vertical clamping mechanisms are arranged on the basis of the dispensing device. The two clamping mechanisms cooperate with each other to realize two positioning modes of the glass substrate, so as to realize the effect of convenient horizontal and vertical dispensing of the glass substrate. A dispensing tube is arranged to clamp the glass substrate, and a heating block is arranged on the basis of the dispensing tube.

[0016] Specifically, a clamping block driven by a gear and a rack is provided in the transverse clamping mechanism, and the clamping block is moved inward from both ends to achieve the effect of automatic positioning of glass substrates of different sizes;

[0017] Specifically, a spring-supported clamping plate and a clamping block are provided in the vertical clamping mechanism, and the clamping plate and the clamping block are squeezed by the force of the horizontal clamping mechanism, so that the clamping plate and the clamping block are vertically stable to the glass substrate;

[0018] In addition, a driving handle is provided to control the flipping of the vertical clamping mechanism.

[0019] A sealing plate is provided on the basis of the dispensing tube, in which a filter screen and a sealing groove are provided. The sealing groove seals the head of the dispensing tube to prevent the glue remaining inside the dispensing tube from solidifying. When the glue remaining inside the dispensing tube is recovered, the filter element blocks impurities in the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0021] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0022] In the attached picture:

[0023] Figure 1 It is a schematic diagram of the axle-side structure of the dispensing device of an embodiment of the present invention after assembly.

[0024] Figure 2 The embodiment of the present invention Figure 1 Schematic diagram of the main structure.

[0025] Figure 3 It is a schematic diagram of the axle-side structure of the vertical clamping mechanism of an embodiment of the present invention after flipping.

[0026] Figure 4 The embodiment of the present invention Figure 3 Schematic diagram of the right-angle structure.

[0027] Figure 5 It is a schematic diagram of the cross-sectional axial structure of a control body and a support plate of an embodiment of the present invention.

[0028] Figure 6 The embodiment of the present invention Figure 1Schematic diagram of the left view structure.

[0029] Figure 7 It is a schematic diagram of the disassembled shaft side structure of the dispensing device of an embodiment of the present invention.

[0030] Figure 8 It is a schematic diagram of the axial side structure of a driving plate and a clamping plate in an embodiment of the present invention.

[0031] Fig. 9 The embodiment of the present invention Figure 3 A is an enlarged structural diagram of FIG.

[0032] Fig.10 The embodiment of the present invention Figure 5 Schematic diagram of the enlarged structure at B.

[0033] Fig.11 The embodiment of the present invention Figure 8 Enlarged structural diagram at C.

[0034] Reference numerals list

[0035] 1. Control subject; 101. Positioning framework;

[0036] 2. driving mechanism; 201. first electric motor; 202. threaded rod; 203. driving plate; 20301. connecting block;

[0037] 3. lateral clamping mechanism; 301. second electric motor; 302. rack; 303. first clamping block; 304. movable block;

[0038] 4. Support plate; 401. First positioning bolt;

[0039] 5. Sealing plate; 501. Positioning hole;

[0040] 6. Driving handle;

[0041] 7. Vertical clamping mechanism; 701. Pressing plate; 702. Second clamping block; 703. Second positioning bolt;

[0042] 8. Cylinder; 801. Stabilizing frame;

[0043] 9. Glue dispensing assembly; 901. first shell; 902. second shell; 903. dustproof plate; 904. glue dispensing tube. DETAILED DESCRIPTION

[0044] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0045] Please refer to Figures 1 to 11 As shown:

[0046] Embodiment 1: The present invention provides an automatic dispensing device for a liquid crystal glass substrate, comprising a control body 1, a positioning frame 101 is provided on the top of the control body 1, a group of driving mechanisms 2 are installed inside the control body 1, and the driving mechanism 2 is composed of a first electric motor 201, a threaded rod 202, a driving plate 203 and a connecting block 20301. The first electric motor 201 and the threaded rod 202 are respectively installed inside the control body 1, and the inside of the control body 1 hides, positions and stabilizes the first electric motor 201 and the threaded rod 202. The driving plate 203 has a threaded hole at the bottom, and the threaded rod 202 passes through the inside of the threaded hole and is connected to the driving shaft of the first electric motor 201. It can be concluded that the first electric motor 201 drives the threaded rod 202 to rotate, and the driving plate 203 is laterally displaced during the rotation of the threaded rod 202;

[0047] A set of transverse clamping mechanisms 3 are installed at the position of the positioning frame 101. The transverse clamping mechanism 3 is composed of a second electric motor 301, a rack 302, a first clamping block 303 and a movable block 304. The second electric motor 301 is installed at the bottom middle position of the driving plate 203. The second electric motor 301 passes through the inside of the driving plate 203 and a gear is installed on the outside. Two symmetrically distributed racks 302 are installed on the outside of the gear. The gear and the two racks 302 are meshed. Therefore, when the gear rotates, the two racks 302 will move in the opposite direction, so that the first clamping block 303 and the movable block 304 cooperate with each other to position glass substrates of different sizes. The driving plate 203 has two The bottom of the rack 302 extends to the inside of the sliding groove. After the rack 302 is installed, it is in an inclined structure with the guide of the sliding groove. At the same time, the rack 302 moves in an inclined state. A horizontal first clamping block 303 is provided at one end of the rack 302. A hinged movable block 304 is installed at one end of the first clamping block 303. With the movement of the rack 302, the first clamping block 303 and the movable block 304 clamp and position glass substrates of different sizes. A locking bolt is installed at the hinge of the first clamping block 303 and the movable block 304. After the locking bolt is turned, the positioning effect of the movable block 304 is achieved. In addition, the hinged setting of the movable block 304 can be flexibly adjusted in angle.

[0048] The control body 1 is provided with a support plate 4 on both sides, a movably connected sealing plate 5 is installed on the support plate 4, a sliding groove is provided on one side of the support plate 4, a first positioning bolt 401 is installed at the position of the sliding groove, the sealing plate 5 is installed inside the sliding groove of the support plate 4 at one end, the sealing plate 5 slides up and down stably along the sliding groove, a sliding hole is provided at one end of the sealing plate 5, the first positioning bolt 401 passes through the inside of the sliding hole, a supporting spring is installed on the outside of the first positioning bolt 401, the supporting spring is provided at the bottom position of the sealing plate 5, the supporting spring pushes the sealing plate 5 to move upward, and the sealing plate 5 is on one side A sealing groove corresponding to the head of the dispensing tube 904 is provided. When the head of the dispensing tube 904 moves to the position of the sealing groove, the sealing plate 5 cooperates with the sealing groove to seal the dispensing position of the head of the dispensing tube 904 to prevent the glue remaining inside the dispensing tube 904 from solidifying. The sealing plate 5 has a positioning hole 501 on one side of the sealing groove. A filter core is installed inside the positioning hole 501. When the dispensing tube 904 moves to the inside of the positioning hole 501, the glue remaining inside the dispensing tube 904 is recovered by means of a negative pressure pump. The filter core blocks impurities in the air to prevent dust in the air from entering the dispensing tube 904 and the drainage tube.

[0049] A driving handle 6 is installed on the top of the control body 1. A group of positioning strips are arranged on the outer side of the driving handle 6. The positioning strips are distributed in a ring shape and are of an arc structure. A through hole that matches the driving handle 6 is opened at the bottom of the clamping plate 701. The driving handle 6 passes through the through hole to contact the stabilizing seat to stabilize. The driving handle 6 is rotated to make the positioning strip drive the clamping plate 701 to flip. In addition, the clamping plate 701 can move laterally on the outside of the driving handle 6 in cooperation with the through hole. A group of vertical clamping mechanisms 7 are installed on the outside of the driving handle 6.

[0050] The vertical clamping mechanism 7 is composed of a clamping plate 701, a second clamping block 702 and a second positioning bolt 703. The driving plate 203 is provided with a connecting block 20301 with a cylindrical structure on the top. The clamping plate 701 in the middle position is provided with a positioning sleeve with a waist-shaped hole structure. The connecting block 20301 extends to the inside of the positioning drive. It can be concluded that when the driving plate 203 is displaced, the vertical clamping mechanism 7 can be driven to displace synchronously. The clamping plate 701 is provided with a group of positioning grooves on one side, and a group of second clamping blocks 702 are installed at the position of the positioning grooves. The positioning grooves position and stabilize the installation position of the second clamping blocks 702. The pressing plate 701 has a sliding hole at the bend, and a second positioning bolt 703 is inserted at the position of the sliding hole. A group of supporting springs are installed on the outside of the second positioning bolt 703. The supporting springs are arranged at the inner position of the pressing plate 701. The supporting springs elastically support the pressing plate 701 outward, so that the vertical glass substrate is effectively placed inside the pressing plate 701 and the second clamping block 702. When the first clamping block 303 moves inward, it squeezes the pressing plate 701, so that the pressing plate 701 and the second clamping block 702 can press and stabilize the vertical glass substrate at the bottom, which is convenient for vertical dispensing of the glass substrate;

[0051] A locking bolt is installed at the bottom of the clamping plate 701 in the middle position, and the locking bolt locks the clamping plate 701 in the middle position to prevent the clamping plate 701 from being deviated due to the force. A cylinder 8 is installed above the support plate 4, and an L-shaped stabilizing frame 801 is installed at the end of the push rod of the cylinder 8. A group of dispensing components 9 are installed at the outer position of the stabilizing frame 801. The dispensing component 9 is composed of a first shell 901, a second shell 902, a dustproof plate 903 and a dispensing tube 904. The stabilizing frame 801 is provided with two wire-making grooves on the outer side, and a group of power cords are installed at the position of the wire-making grooves. The installation position of the power cord is stable and hidden by the wire-making grooves. The power cord is provided with a conductive sleeve at the bottom. A heating block is installed between the first shell 901 and the second shell 902. The heating structure of the heating block adopts the existing mature foundation. A group of The heating block is electrically connected to the conductive block, and the conductive block extends to the inside of the conductive sleeve. Therefore, after the dispensing component 9 is installed, the heating block can be effectively electrically connected to the power line. The heating block heats the dispensing tube 904 to prevent the dispensing tube 904 from solidifying inside when the temperature is low. The first shell 901 is equipped with a set of bolts to install a second shell 902 on one side. The first shell 901 and the second shell 902 are respectively provided with a stepped positioning groove inside, and a dispensing tube 904 is installed at the position of the positioning groove. After the first shell 901 and the second shell 902 are merged, the dispensing tube 904 is positioned and stabilized. The first shell 901 is provided with a bent dustproof plate 903 at the bottom. During the lateral movement of the cylinder 8, the dustproof plate 903 first contacts the sealing plate 5, so that the dustproof plate 903 seals the upper part of the sealing plate 5 to prevent dust in the air from entering the interior of the sealing groove.

[0052] Embodiment 2: On the basis of embodiment 1, the control body 1, the positioning frame 101, the driving mechanism 2, the first electric motor 201, the threaded rod 202, the driving plate 203, the connecting block 20301, the transverse clamping mechanism 3, the second electric motor 301, the rack 302, the first clamping block 303, the movable block 304, the support plate 4, the first positioning bolt 401, the sealing plate 5, the positioning hole 501, the driving handle 6, the vertical clamping mechanism 7, the clamping plate 701, the second clamping block 702, the second positioning bolt 703, the cylinder 8, the stabilizing frame 801, the dispensing assembly 9, the first shell 901, the second shell 902, the dustproof plate 903, and the dispensing tube 904 are assembled into a dual-purpose automatic dispensing device.

[0053] The specific installation and use methods of this embodiment are as follows:

[0054] Before using the dispensing device, it needs to be assembled. The driving mechanism 2 is installed inside the control body 1. Then, the horizontal clamping mechanism 3 is connected to the threaded rod 202 in conjunction with the threaded hole of the driving plate 203. The vertical clamping mechanism 7 is installed on the top of the control body 1 in conjunction with the driving handle 6 and the stabilizing seat. The dispensing assembly 9 is installed on the outside of the stabilizing frame 801 in conjunction with the bolts. The power cord of the stabilizing frame 801 is electrically connected to the control body 1. The dispensing tube 904 is connected to the current storage tank with the help of a hose.

[0055] When the glass substrate is flatly laid and glued, the glass substrate is flatly placed between the first clamping block 303 and the movable block 304, so that the first clamping block 303 and the movable block 304 form a right-angle structure, and then the second electric motor 301 is controlled, at this time, the first clamping block 303 and the movable block 304 quickly position the glass substrate, and the cylinder 8 is controlled to push the glue dispensing tube 904 to move and automatically dispense glue on the glass substrate;

[0056] When dispensing glue vertically on the glass substrate, the pressing plate 701 and the second clamping block 702 are turned over to the top of the driving plate 203 in cooperation with the driving handle 6. At this time, the pressing plate 701 in the middle position is connected with the positioning sleeve and the connecting block 20301, and the bottom of the glass substrate is placed inside the pressing plate 701 and the second clamping block 702. The movable block 304 is turned over and flush with the first clamping block 303, and then the second electric motor 301 is continuously controlled. At this time, the pressing plate 701 and the second clamping block 702 squeeze the pressing plate 701 and the second clamping block 702, and the pressing plate 701 and the second clamping block 702 position the bottom of the glass substrate, and the first electric motor 201 is controlled to drive the glass substrate to move for dispensing glue. When the glass substrate is removed, the second electric motor 301 is controlled to reverse.

[0057] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. An automatic dispensing device for a liquid crystal glass substrate, comprising: A control body (1), wherein a positioning frame (101) is provided on the upper portion of the control body (1), and a set of driving mechanisms (2) are installed inside the control body (1), wherein the driving mechanism (2) is composed of a first electric motor (201), a threaded rod (202), a driving plate (203) and a connecting block (20301), and wherein a set of transverse clamping mechanisms (3) is installed at the position of the positioning frame (101), and the transverse clamping mechanism (3) is composed of a second electric motor (301), a rack (302), a first clamping block (303) and a movable block (304); The control body (1) is provided with a support plate (4) on both sides, a movably connected sealing plate (5) is installed on the support plate (4), a driving handle (6) is installed on the top of the control body (1), and a set of vertical clamping mechanisms (7) are installed on the outer side of the driving handle (6), and the vertical clamping mechanism (7) is composed of a clamping plate (701), a second clamping block (702) and a second positioning bolt (703), and a locking bolt is installed at the bottom of the clamping plate (701) in the middle position; A cylinder (8) is installed above the support plate (4), an L-shaped stabilizing frame (801) is installed at the end of the push rod of the cylinder (8), and a group of glue dispensing components (9) are installed outside the stabilizing frame (801), and the glue dispensing components (9) are composed of a first shell (901), a second shell (902), a dustproof plate (903) and a glue dispensing tube (904); The second electric motor (301) is installed at the middle position of the bottom of the driving plate (203). The second electric motor (301) passes through the interior of the driving plate (203) and a gear is installed on the outside. Two symmetrically distributed racks (302) are installed on the outside of the gear. The gear and the two racks (302) are meshed. The driving plate (203) has two sliding grooves on the top. The bottom of the rack (302) extends to the inside of the sliding groove. A first clamping block (303) is provided at one end of the rack (302). A hinged movable block (304) is installed at one end of the first clamping block (303). A locking bolt is installed at the hinge between the first clamping block (303) and the movable block (304). The sealing plate (5) has a sealing groove corresponding to the head of the dispensing tube (904) on one side, and a positioning hole (501) is formed on the sealing plate (5) on one side of the sealing groove, and a filter element is installed inside the positioning hole (501); The clamping plate (701) has a group of positioning grooves on one side, a group of second clamping blocks (702) are installed at the positions of the positioning grooves, a sliding hole is provided at the bending position of the clamping plate (701), a second positioning bolt (703) is inserted at the position of the sliding hole, a group of support springs are installed on the outside of the second positioning bolt (703), and the support springs are arranged at the inner position of the clamping plate (701); The first electric motor (201) and the threaded rod (202) are respectively installed inside the control body (1); a threaded hole is provided at the bottom of the driving plate (203); the threaded rod (202) passes through the threaded hole and is connected to the driving shaft of the first electric motor (201); The driving plate (203) is provided with a connecting block (20301) on the top, and the pressing plate (701) in the middle is provided with a positioning sleeve, and the connecting block (20301) extends to the inside of the positioning drive; The support plate (4) has a sliding groove on one side, a first positioning bolt (401) is installed at the position of the sliding groove, the sealing plate (5) is installed inside the sliding groove of the support plate (4) at one end, the sealing plate (5) has a sliding hole on one end, the first positioning bolt (401) passes through the inside of the sliding hole, a support spring is installed on the outside of the first positioning bolt (401), and the support spring is arranged at the bottom position of the sealing plate (5); The driving handle (6) is provided with a set of positioning strips on the outer side surface, and the pressing plate (701) is provided with a through hole at the bottom thereof that fits with the driving handle (6); The stabilizing frame (801) is provided with two wire-replenishing grooves on the outer side, a group of power lines are installed at the positions of the wire-replenishing grooves, a conductive sleeve is provided at the bottom of the power line, a heating block is installed between the first shell (901) and the second shell (902), a group of conductive blocks electrically connected to the heating block are installed on the first shell (901) and the second shell (902), and the conductive blocks extend to the inside of the conductive sleeve; A second shell (902) is mounted on one side of the first shell (901) in cooperation with a set of bolts. A positioning groove is respectively provided inside the first shell (901) and the second shell (902). A dispensing tube (904) is installed at the position of the positioning groove. A dustproof plate (903) is provided at the bottom of the first shell (901).

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