CN216173742U

CN216173742U - Continuous glue dispensing mechanism for 3C panel

Info

Publication number: CN216173742U
Application number: CN202122663540.6U
Authority: CN
Inventors: 杨文学; 贺开华; 苏华
Original assignee: Guangdong Rongjiu Industrial Co ltd
Current assignee: Guangdong Rongjiu Industrial Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-05
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a continuous glue dispensing structure for a 3C panel, which comprises a lifting device and an R-angle glue dispensing device, wherein a lifting motor of the lifting device can drive the R-angle glue dispensing device to move up and down, a rotating motor of the R-angle glue dispensing device can drive a glue dispensing valve to rotate along the R angle of the 3C panel so as to realize continuous glue dispensing from a straight edge to an arc edge at the corner of the R angle, and a position alignment instrument and a height measurement instrument are also arranged in the glue dispensing structure and used for detecting and correcting the glue dispensing position and height in real time. This a continuous some glue structure for 3C panel's advantage lies in: the problems of continuity, attractiveness, completeness, no notch, no bulge at the R-angle position, glue breaking and the like of the glue line are guaranteed, and the productivity and the glue dispensing quality of products are greatly improved.

Description

Continuous glue dispensing mechanism for 3C panel

Technical Field

The utility model relates to the technical field of production equipment of dispensing machines, in particular to a continuous dispensing mechanism for a 3C panel.

Background

In order to prevent the visual effect of the display device from being reduced due to light leakage of the 3C panel, the outer circumferential surface of the 3C panel needs to be coated with a light shielding adhesive. At present, the R-angle joints of the 3C panel are sequentially subjected to single-side glue dispensing, glue dispensing and cross joint exist at the R-angle joints of the product, and the glue dispensing thickness at the cross joint is inevitably uneven. The glue at some positions of the joint is too thin in thickness, even the glue is broken, and the light leakage condition can occur; some places of handing-over department are glued the point and are crossed thickly, thereby the panel spills over easily after the assembly and glues thereby influence the pleasing to the eye of product. Meanwhile, the dispensing at the R corner adopts a mode of sequentially dispensing on a single side, so that the dispensing efficiency is low, and the productivity of the 3C panel is difficult to improve.

To this end we propose a continuous glue dispensing mechanism for 3C panels.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a continuous dispensing mechanism for a 3C panel, which solves the problems of uneven dispensing thickness and low dispensing efficiency at an R-angle joint.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a continuous dispensing mechanism for a 3C panel, comprising: the lifting device and the R corner gluing device; the lifting device comprises a lifting motor and a vertical screw rod connected with the lifting motor, a sliding block is arranged on the screw rod, a fixed seat is arranged on the sliding block, and the fixed seat comprises a vertical fixed plate connected with the sliding block and a transverse fixed plate connected with the vertical fixed plate; the R-angle-point glue device comprises a vertical rotating motor arranged above a transverse fixing plate, a hollow rotating platform is fixed below the transverse fixing plate, a rotary table connected with the rotating motor is arranged inside the hollow rotating platform, a glue valve base is arranged below the rotary table, a connecting arm is arranged at one end of the glue valve base, a spray valve fixing seat is arranged at the lower end of the connecting arm, a glue dispensing valve is arranged on the spray valve fixing seat, and a glue dispensing nozzle is arranged at one end of the glue dispensing valve; the fixing seat is also provided with a positioning instrument.

Furthermore, a height measuring instrument is further arranged below the rubber valve base.

Furthermore, a height indicator mounting seat is fixed below the rubber valve base, the height indicator is fixed on the height indicator mounting seat, and the detection range of the height indicator corresponds to the dispensing nozzle.

Furthermore, the alignment instrument comprises an alignment instrument mounting seat fixed on the vertical fixing plate, a camera fixed on the alignment instrument mounting seat and a lens connected with the camera.

Furthermore, a lens clamping block is further arranged on the transverse fixing plate.

Furthermore, a camera wire clamping block is arranged above the alignment instrument mounting seat.

Further, the dispensing nozzle is horizontally arranged.

Furthermore, two groups of photoelectric switches are fixed below the fixing seat, the two groups of photoelectric switches are arranged at 90 degrees relative to the central axis of the rotary table, and photoelectric switch light shielding plates corresponding to the photoelectric switches are arranged on the rubber valve base.

Furthermore, a positioning block is arranged between the rubber valve base and the connecting arm, a vertical positioning hole is formed in the rubber valve base, and a long round hole matched with the positioning hole is formed in the positioning block.

The dispensing structure comprises a lifting device and an R-angle glue device, wherein a lifting motor of the lifting device can drive the R-angle glue device to move up and down, a rotating motor of the R-angle glue device can drive a dispensing valve to rotate along an R angle of a 3C panel so as to realize continuous dispensing from a straight edge to an arc edge at an R-angle corner, and a position aligner and a height measurer are further arranged in the dispensing structure and used for detecting and correcting the dispensing position and height in real time. This a continuous some glue structure for 3C panel's advantage lies in: the problems of continuity, attractiveness, completeness, no notch, no bulge at the R-angle position, glue breaking and the like of the glue line are guaranteed, and the productivity and the glue dispensing quality of products are greatly improved.

Drawings

FIG. 1 is a schematic perspective view of a continuous dispensing mechanism for 3C panels according to the present invention;

FIG. 2 is an exploded view of a continuous dispensing mechanism for 3C panels provided by the present invention;

FIG. 3 is a front view of a continuous dispensing mechanism for 3C panels provided by the present invention;

fig. 4 is a schematic view of the installation of the photoelectric switch in the R corner gluing device of the continuous gluing mechanism for 3C panels provided by the present invention.

Detailed Description

The utility model provides a continuous glue dispensing mechanism for a 3C panel, which is further described in detail below by referring to the attached drawings and embodiments in order to make the purpose, technical scheme and effect of the utility model clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The utility model provides a continuous glue dispensing mechanism for a 3C panel, which is structurally shown in figures 1-4 and comprises: a lifting device 10 and an R corner glue device 20;

the lifting device 10 comprises a lifting motor 11 and a vertical screw rod 12 connected with the lifting motor 11, a sliding block 13 is arranged on the screw rod 12, an inductive switch can be correspondingly arranged on the screw rod 12 and the sliding block 13 to control the movement position of the sliding block 13, a fixed seat 14 is arranged on the sliding block 13, and the fixed seat 14 comprises a vertical fixed plate 141 connected with the sliding block 13 and a transverse fixed plate 142 connected with the vertical fixed plate 141. The lifting motor 11 rotates to drive the vertical screw rod 12 to rotate, and the sliding block 13 is in threaded connection with the screw rod 12, so that the fixed seat 14 on the sliding block 13 can repeatedly move up and down. The vertical screw 12 can be connected with an X/Y axis moving system, the whole glue dispensing mechanism can move along an X axis or a Y axis as required, and the lifting device 10 can control the Z axis movement of the R corner glue device 20.

The R-corner glue device 20 comprises a vertical rotating motor 21 arranged above a transverse fixing plate 142, a hollow rotating platform 22 is fixed below the transverse fixing plate 142, a gear reduction system is arranged inside the hollow rotating platform 22, the rotating motor 21 is connected with a turntable 221 inside the hollow rotating platform 22 through the gear reduction system, and the rotating motor 21 can drive the turntable 221 to rotate at a low speed. The transverse fixing plate 142 is provided with an avoiding hole 142a matched with the hollow rotating platform 22.

The below of carousel 22 is equipped with horizontal gluey valve base 23, and the one end of gluing valve base 23 is equipped with linking arm 24, and the lower extreme of linking arm 24 is equipped with spouts valve fixing base 25, is equipped with dispensing valve 26 on spouting valve fixing base 25, and dispensing valve 26's one end is equipped with some spouts 261. The rotation of the turntable 221 can drive the dispensing valve 26 under the glue valve base 23 to rotate around the central axis of the turntable 221, so that the dispensing at the R-angle can be realized. When dispensing the straight edge of the 3C panel, the 3C panel moves along the X axis or the Y axis to drive the dispensing valve 26 to dispense the straight edge, when dispensing the R corner of the 3C panel, the rotary disc 221 rotates to drive the dispensing valve 26 to rotate to dispense the R corner, and the straight edge dispensing mode continues to be performed after the dispensing at the R corner is completed. The mode is glued to the straight-edge point like this and switches over again and R angle point realizes gluing the continuous point of 3C panel, has avoided the unilateral phenomenon that the joint department point of gluing is glued to glue thickness is inhomogeneous in proper order, has guaranteed continuity, aesthetic property and the complete nothing breach of gluing the line.

The fixed seat 14 is also provided with an alignment instrument 27. In this embodiment, the alignment device 27 is provided on one side of the rotating electric machine 21, and the alignment device 27 does not move with the rotation of the rotating electric machine 21. Before dispensing, the alignment instrument 27 identifies mark points at two ends of the 3C panel, the identified mark point positions are compared with the system to calculate errors, and the system can automatically correct the mark points until the 3C panel is located at the set standard position, so that the accuracy of the dispensing nozzle 261 relative to the position of the 3C panel is ensured, and the whole dispensing process is accurately controlled.

Specifically, a height indicator 28 is further arranged below the rubber valve base 23. The altimeter 28 is movable in accordance with the rotation of the rotary motor 21. During dispensing, a product is placed with a small height error, so that the height of the product to be dispensed needs to be detected in real time by the height measuring instrument 28, if the product to be dispensed has the error, implementation data can be fed back, the height of the dispensing valve 26 is corrected by the system, and the error of the dispensing height is avoided.

Specifically, a height indicator mounting seat 281 is fixed below the glue valve base 23, the height indicator 28 is fixed on the height indicator mounting seat 281, the height indicator 28 is arranged between the connecting arm 24 and the height indicator mounting seat 281, the lower end of the connecting arm 24 is narrower than the upper end, the height indicator 28 is a laser displacement sensor, and a detection range 282 of the height indicator 28 corresponds to the glue dispensing nozzle 261. The structure is compact, and the height error of the 3C panel can be monitored by the altimeter 28 in real time.

Specifically, the alignment device 27 includes an alignment device mounting base 271 fixed on the vertical fixing plate 141, a camera 272 fixed on the alignment device mounting base 271, and a lens 273 connected to the camera 272. The camera 272 is a CCD camera, a light source is arranged in the lens 273, the camera 272 identifies mark points at two ends of the 3C panel, a high-definition image of the position of the 3C panel is obtained, the high-definition image is compared with a reference image, an error is calculated, a dispensing process is carried out after the 3C panel is automatically adjusted to be at the reference position, and the position error of the 3C panel is monitored by the position instrument 27 in real time.

Specifically, the transverse fixing plate 142 is further provided with a lens clamping block 274, the lens 273 penetrates through the transverse fixing plate 142, and the lower end of the lens 273 is clamped by the lens clamping block 274 fixed to the bottom surface of the transverse fixing plate 142, so that the phenomenon that the image is unclear due to lens shake in the operation process of the equipment is prevented.

Specifically, a camera wire clamping block 275 is arranged above the alignment instrument mounting base 271. The camera wire clamping block 275 is also fixed on the vertical fixing plate 141, and the camera wire clamping block 275 clamps a signal connecting wire above the camera, so that the signal transmission is prevented from being influenced by the looseness of the connecting wire in the operation process of the equipment.

Specifically, the dispensing nozzle 261 is horizontally disposed. The horizontally arranged dispensing nozzle 261 is particularly suitable for dispensing the side of the 3C panel. By using the piezoelectric jet dispensing valve 26, the dispensing nozzle 261 can be controlled to dispense glue at a high speed and with high precision in a direction perpendicular to the side surface of the 3C panel, so that full coverage dispensing of the side surface of the 3C panel can be ensured.

Specifically, two sets of photoelectric switches 143 are fixed below the fixing base 14, the two sets of photoelectric switches 143 are arranged at 90 ° relative to the central axis of the rotating disc 221, and the glue valve base 23 is provided with a photoelectric switch light shielding plate 231 corresponding to the photoelectric switches 143. The photoelectric switch 143 and the photoelectric switch light shielding plate 231 can ensure that the rotation angle of the rotary disc 221 is 90 degrees, ensure that the dispensing valve 26 rotates 90 degrees at the R-angle for dispensing and then dispensing straight on the straight side, and avoid the dispensing position deviation caused by the rotation angle deviation of the dispensing valve 26 during dispensing at the R-angle.

Specifically, a positioning block 29 is arranged between the rubber valve base 23 and the connecting arm 24, a vertical positioning hole 232 is arranged on the rubber valve base 23, and a long circular hole 291 matched with the positioning hole 232 is arranged on the positioning block 29. The distance between the connecting arm 24 and the central axis of the rotary disc 221 can be adjusted through the long circular hole 291, namely, the distance between the dispensing nozzle 261 and the central axis of the rotary disc 221 can be adjusted, so that the mechanism is suitable for 3C panels with different R angles, and the universality of the whole mechanism is improved.

In summary, the present invention includes a lifting device 10 and an R-corner glue device 20. The lifting motor 11 of the lifting device 10 drives the fixed seat 14 on the sliding block 13 to move up and down repeatedly. The rotating motor 21 of the R-corner gluing device can drive the glue dispensing valve 26 below the turntable 221 to rotate slowly through the hollow rotating platform 22. The fixed seat 14 is also provided with an alignment instrument 27. A rubber valve base 23 is arranged below the rotary disc 22, and a height measuring instrument 28 is further arranged below the rubber valve base 23. The rotating motor 21 drives the dispensing valve 26 to realize rotating dispensing at the R-angle, and the position and height of the dispensing are detected and corrected in real time by the alignment instrument 27 and the height gauge 28. This a continuous some glue structure for 3C panel's advantage lies in: the problems of continuity, attractiveness, completeness, no notch, no bulge at the R-angle position, glue breaking and the like of the glue line are guaranteed, and the productivity and the glue dispensing quality of products are greatly improved.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.

Claims

1. A continuous dispensing mechanism for 3C panels, comprising: the lifting device and the R corner gluing device;

the lifting device comprises a lifting motor and a vertical screw rod connected with the lifting motor, a sliding block is arranged on the screw rod, a fixed seat is arranged on the sliding block, and the fixed seat comprises a vertical fixed plate connected with the sliding block and a transverse fixed plate connected with the vertical fixed plate;

the R-angle-point glue device comprises a vertical rotating motor arranged above a transverse fixing plate, a hollow rotating platform is fixed below the transverse fixing plate, a rotary table connected with the rotating motor is arranged inside the hollow rotating platform, a glue valve base is arranged below the rotary table, a connecting arm is arranged at one end of the glue valve base, a spray valve fixing seat is arranged at the lower end of the connecting arm, a glue dispensing valve is arranged on the spray valve fixing seat, and a glue dispensing nozzle is arranged at one end of the glue dispensing valve;

the fixing seat is also provided with a positioning instrument.

2. A continuous dispensing mechanism for 3C panels as claimed in claim 1 wherein: and a height measuring instrument is also arranged below the rubber valve base.

3. A continuous dispensing mechanism for 3C panels as claimed in claim 2 wherein: a height indicator mounting seat is fixed below the rubber valve base, the height indicator is fixed on the height indicator mounting seat, and the detection range of the height indicator corresponds to the dispensing nozzle.

4. A continuous dispensing mechanism for 3C panels as claimed in claim 1 wherein: the alignment instrument comprises an alignment instrument mounting seat fixed on the vertical fixing plate, a camera fixed on the alignment instrument mounting seat and a lens connected with the camera.

5. A continuous dispensing mechanism for 3C panels as claimed in claim 4, wherein: and the transverse fixing plate is also provided with a lens clamping block.

6. A continuous dispensing mechanism for 3C panels as claimed in claim 4, wherein: and a camera wire clamping block is arranged above the alignment instrument mounting seat.

7. A continuous dispensing mechanism for 3C panels as claimed in claim 1 wherein: the dispensing nozzle is horizontally arranged.

8. A continuous dispensing mechanism for 3C panels as claimed in claim 1 wherein: two groups of photoelectric switches are fixed below the fixing seat, the two groups of photoelectric switches are arranged at an angle of 90 degrees relative to the central axis of the rotary table, and photoelectric switch shading plates corresponding to the photoelectric switches are arranged on the rubber valve base.

9. A continuous dispensing mechanism for 3C panels as claimed in claim 1 wherein: a positioning block is arranged between the rubber valve base and the connecting arm, a vertical positioning hole is formed in the rubber valve base, and a long round hole matched with the positioning hole is formed in the positioning block.