Adhesive dispensing valve for COB (Chip On Board) with detachable valve seat

By designing a COB dispensing valve with a detachable valve seat, the problems of difficult feeding and cleaning in the existing technology are solved, and the effects of separate feeding and needle cleaning are achieved.

CN223454500UActive Publication Date: 2025-10-21CHANGSHU JUNZE PRECISION ELECTRONIC TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422562367.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-10-21
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

The existing COB dispensing valve with a detachable valve seat is difficult to feed materials independently and it is difficult to clean the needle and its components after the work is completed.

Method used

A dispensing valve for COB with a detachable valve seat was designed, which includes a dispensing valve body, a barrel, a feed pipe, an electric slide rail, a cleaning brush and other components, realizing the functions of separate feeding and needle cleaning.

Benefits of technology

It realizes the effective cleaning of the needle and its components after separate feeding and work, and improves the operational flexibility and cleaning efficiency of the dispensing valve.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223454500U_ABST
    Figure CN223454500U_ABST
Patent Text Reader

Abstract

The utility model discloses a COB (Chip On Board) dispensing valve with a detachable valve seat, which comprises a dispensing valve body, the upper side of the dispensing valve body is fixedly connected with a first connecting rod, the front side of the first connecting rod is fixedly connected with a first fixing plate, the inner side of the first fixing plate is provided with a charging barrel, the lower side of the charging barrel is fixedly connected with a feeding pipe, and the lower side of the feeding pipe is fixedly connected with a second connecting rod. An electric sliding rail is arranged on the right side of the valve body, a sliding block is rotationally connected to the outer side of the electric sliding rail, a transmission rod is fixedly connected to the right side of the sliding block, a second connecting rod is fixedly connected to the right side of the transmission rod, and an outer rod is fixedly connected to the other side of the second connecting rod. By means of the structure, the valve seat body is fixedly connected to the other side of the feeding pipe, the valve body is fixedly connected to the rear side of the valve seat body, feeding can be conducted independently, the inner rod is arranged on the left side of the outer rod, the cleaning brush is arranged on the outer side of the inner rod, and a needle head and an assembly of the needle head can be cleaned after work is finished.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of glue dispensing valve, especially valve seat detachable glue dispensing valve for COB. BACKGROUND

[0002] COB (chip on board) is a kind of technology that the bare chip is adhered on the circuit board by conductive or non-conductive glue, then wire bonding is carried out to realize electrical connection, and the chip and bonding wire are encapsulated by glue, and the technology cannot be separated from glue dispensing process, and the most important thing of glue dispensing process is glue dispensing valve.

[0003] But the existing valve seat detachable glue dispensing valve for COB has the problems that it is difficult to supply separately, and the existing valve seat detachable glue dispensing valve for COB has the problem that it is difficult to clean the needle and its components after work. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing valve seat detachable glue dispensing valve for COB, so that it can supply separately, and the needle and its components can be cleaned after work.

[0005] In order to realize the above-mentioned purpose, provide valve seat detachable glue dispensing valve for COB, including glue dispensing valve body, the first connecting rod is fixedly connected on the glue dispensing valve body upper side, the first fixed plate is fixedly connected on the first connecting rod front side, the material cylinder is arranged in the first fixed plate inner side, the feeding pipe is fixedly connected on the material cylinder lower side, the valve seat body is fixedly connected on the feeding pipe other side, the valve body is fixedly connected on the valve seat body rear side, the electric sliding rail is arranged on the valve body right side, the sliding block is rotatably connected on the electric sliding rail outer side, the transmission rod is fixedly connected on the sliding block right side, the second connecting rod is fixedly connected on the transmission rod right side, the outer rod is fixedly connected on the second connecting rod other side, the inner rod is arranged on the outer rod left side, and the cleaning brush is arranged on the inner rod outer side.

[0006] According to the glue dispensing valve for COB with valve seat detachable, the feeding pipe is fixedly connected on the material cylinder upper side, and the feeding port is arranged on the feeding pipe upper side.

[0007] According to the glue dispensing valve for COB with valve seat detachable, the injection cylinder is arranged on the glue dispensing valve body lower side, the servo motor is fixedly connected on the injection cylinder upper side, the output end of the servo motor is fixedly connected on the injection cylinder, the needle adapter assembly is arranged on the injection cylinder lower side, and the injection needle is fixedly connected on the needle adapter assembly lower side.

[0008] According to the glue dispensing valve for COB with valve seat detachable, the bearing is rotatably connected on the electric sliding rail rear side, and the base is fixedly connected on the bearing rear side.

[0009] According to the detachable valve seat COB point glue valve, the top plate is rotationally connected to the front side of the electric slide rail, and the driving motor is fixedly connected to the front side of the top plate.

[0010] According to the detachable valve seat COB point glue valve, the fixed frame is fixedly connected to the lower side of the point glue valve body, the through hole is arranged in the fixed frame, the third fixed plate is fixedly connected to the front side of the fixed frame, and the feeding pipe is connected to the third fixed plate.

[0011] According to the detachable valve seat COB point glue valve, the second fixed plate is fixedly connected to the front side of the point glue valve body, and the barrel is connected to the second fixed plate.

[0012] According to the detachable valve seat COB point glue valve, the nozzle is arranged on the outer side of the inner rod.

[0013] Beneficial effects:

[0014] 1、The first connecting rod is fixedly connected to the upper side of the point glue valve body, the first fixed plate is fixedly connected to the front side of the first connecting rod, the barrel is arranged in the inner side of the first fixed plate, the feeding pipe is fixedly connected to the upper side of the barrel, the feeding port is arranged on the upper side of the feeding pipe, the feeding pipe is fixedly connected to the lower side of the barrel, the valve seat body is fixedly connected to the other side of the feeding pipe, the valve body is fixedly connected to the rear side of the valve seat body, the fixed frame is fixedly connected to the lower side of the point glue valve body, the through hole is arranged in the fixed frame, the third fixed plate is fixedly connected to the front side of the fixed frame, the feeding pipe is connected to the third fixed plate, and the through slot is arranged in the third fixed plate, so that the feeding can be performed separately.

[0015] 2、The electric slide rail is arranged on the right side of the valve body, the bearing is rotationally connected to the rear side of the electric slide rail, the base is fixedly connected to the rear side of the bearing, the top plate is rotationally connected to the front side of the electric slide rail, the driving motor is fixedly connected to the front side of the top plate, the output end of the driving motor is fixedly connected to the electric slide rail, the sliding block is rotationally connected to the outer side of the electric slide rail, the transmission rod is fixedly connected to the right side of the sliding block, the second connecting rod is fixedly connected to the right side of the transmission rod, the outer rod is fixedly connected to the other side of the second connecting rod, the inner rod is arranged on the left side of the outer rod, the cleaning brush is arranged on the outer side of the inner rod, and the nozzle is arranged on the outer side of the inner rod, so that the needle and components thereof can be cleaned after work.

[0016] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in combination with the drawings and examples.

[0018] Figure 1The utility model provides a valve seat detachable type COB is with the dispensing valve's perspective drawing of point,

[0019] Figure 2 The utility model provides a valve seat detachable type COB is with the dispensing valve's perspective drawing of point,

[0020] Figure 3 The utility model provides a valve seat detachable type COB is with the dispensing valve's perspective drawing of point,

[0021] Figure 4 The utility model provides Figure 1 The structure schematic diagram of A place in middle.

[0022] Legend:

[0023] 1, dispensing valve body, 2, fixed frame, 3, syringe, 4, through slot, 5, barrel, 6, first fixed plate, 7, second fixed plate, 8, feed pipe, 9, feed inlet, 10, feed pipe, 11, third fixed plate, 12, through hole, 13, first connecting rod, 14, valve seat body, 15, needle adapter assembly, 16, injection needle, 17, valve body, 18, electric slide rail, 19, base, 20, bearing, 21, sliding block, 22, top plate, 23, drive motor, 24, transmission rod, 25, second connecting rod, 26, outer rod, 27, inner rod, 28, spray head, 29, cleaning brush, 30, servo motor. Specific embodiments

[0024] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0025] Refer to Figures 1-4The utility model discloses a valve seat detachable type COB is used to point to the glue valve, it includes point to the glue valve body 1, the first connecting rod 13 is fixedly connected on the upper side of point to the glue valve body 1, the first fixed plate 6 is fixedly connected on the front side of first connecting rod 13, and first connecting rod 13 is used for fixing first fixed plate 6 on point to the glue valve body 1, and first fixed plate 6 is used for supporting and fixing barrel 5, guarantees the stability and positioning accuracy of barrel 5, and barrel 5 is arranged in the inner side of first fixed plate 6, and barrel 5 is used to store the glue or other fluid materials of waiting for point to the glue, fills from the feed inlet 9 on the feed pipe 8 from the top, and the material is filled conveniently, and barrel 5 lower side fixedly connected with feed pipe 10, and the other side of feed pipe 10 is fixedly connected with valve seat body 14, and the rear side of valve seat body 14 is fixedly connected with valve body 17, and feed pipe 10 is used for connecting barrel 5 and valve seat body 14, and ensure that the glue or fluid can flow into valve body 17 and prepare to carry out point to the glue operation smoothly, and the right side of valve body 17 is provided with electric sliding rail 18, and the outer side of electric sliding rail 18 is rotatably connected with sliding block 21, and electric sliding rail 18 is used for driving sliding block 21 to move along its track, and through transmission rod 24 and second connecting rod 25 drive outer rod 26 and inner rod 27 to carry out reciprocating motion, and the right side of sliding block 21 is fixedly connected with transmission rod 24, and the right side of transmission rod 24 is fixedly connected with second connecting rod 25, and the other side of second connecting rod 25 is fixedly connected with outer rod 26, and the left side of outer rod 26 is provided with inner rod 27, and the outer side of inner rod 27 is provided with cleaning brush 29, and cleaning brush 29 is fixed on inner rod 27, and along with the movement of inner rod 27, cleaning brush 29 can clean injection needle 16 and needle adapter assembly 15.

[0026] The upper side of barrel 5 is fixedly connected with feed pipe 8, and the upper side of feed pipe 8 is provided with feed inlet 9.

[0027] The lower side of point to the glue valve body 1 is provided with injection cylinder 3, and the upper side of injection cylinder 3 is fixedly connected with servo motor 30, and the output end of servo motor 30 is fixedly connected to injection cylinder 3, and servo motor 30 provides power for injection cylinder 3, controls the up and down movement of its piston, thereby accurately controls the injection amount and speed of glue, and injection cylinder 3 is the component that actually carries out point to the glue operation, and the lower side of injection cylinder 3 is provided with needle adapter assembly 15, and the lower side of needle adapter assembly 15 is fixedly connected with injection needle 16, and needle adapter assembly 15 is used for connecting injection cylinder 3 and injection needle 16, and ensures that the glue can accurately flow from injection cylinder 3 into needle and is spot coated on target position.

[0028] The rear side of electric sliding rail 18 is rotatably connected with bearing 20, and the rear side of bearing 20 is fixedly connected with base 19.

[0029] The front side of electric sliding rail 18 is rotatably connected with top plate 22, and the front side of top plate 22 is fixedly connected with drive motor 23, and the output end of drive motor 23 is fixedly connected to electric sliding rail 18.

[0030] The lower side of the glue dispensing valve body 1 is fixedly connected with a fixed frame 2, the fixed frame 2 is internally provided with a through hole 12, the front side of the fixed frame 2 is fixedly connected with a third fixed plate 11, the feeding pipe 10 is connected to the third fixed plate 11, the third fixed plate 11 is internally provided with a through slot 4, the fixed frame 2 is used for supporting other components of the glue dispensing valve, and the stability is enhanced. The third fixed plate 11 is used for fixing the feeding pipe 10, and the feeding pipe 10 is allowed to pass through the through slot 4, and the position is kept stable.

[0031] The front side of the glue dispensing valve body 1 is fixedly connected with a second fixed plate 7, and the barrel 5 is connected to the second fixed plate 7. The second fixed plate 7 is used for further fixing the barrel 5.

[0032] The outer side of the inner rod 27 is provided with a spray head 28, and the spray head 28 is used for spraying water before cleaning.

[0033] Working principle: the upper side of the glue dispensing valve body 1 is fixedly connected with a first connecting rod 13, the front side of the first connecting rod 13 is fixedly connected with a first fixed plate 6, the inner side of the first fixed plate 6 is provided with a barrel 5, the upper side of the barrel 5 is fixedly connected with a feeding pipe 8, the upper side of the feeding pipe 8 is provided with a feeding port 9, the lower side of the barrel 5 is fixedly connected with a feeding pipe 10, the other side of the feeding pipe 10 is fixedly connected with a valve seat body 14, the rear side of the valve seat body 14 is fixedly connected with a valve body 17, when the glue dispensing valve works, the material is fed into the barrel 5 through the feeding port 9 on the feeding pipe 8, and the material flows into the valve body 17 through the feeding pipe 10 and the valve seat body 14, so that the feeding can be carried out separately, the right side of the valve body 17 is provided with an electric sliding rail 18, the rear side of the electric sliding rail 18 is rotatably connected with a bearing 20, the rear side of the bearing 20 is fixedly connected with a base 19, the front side of the electric sliding rail 18 is rotatably connected with a top plate 22, the front side of the top plate 22 is fixedly connected with a driving motor 23, the output end of the driving motor 23 is fixedly connected to the electric sliding rail 18, the outer side of the electric sliding rail 18 is rotatably connected with a sliding block 21, the right side of the sliding block 21 is fixedly connected with a transmission rod 24, the right side of the transmission rod 24 is fixedly connected with a second connecting rod 25, the other side of the second connecting rod 25 is fixedly connected with an outer rod 26, the left side of the outer rod 26 is provided with an inner rod 27, the outer side of the inner rod 27 is provided with a cleaning brush 29, and the outer side of the inner rod 27 is provided with a spray head 28. After work, the driving motor 23 is started, the driving motor 23 drives the electric sliding rail 18 to rotate in the bearing 20, the electric sliding rail 18 drives the sliding block 21 to move horizontally, the sliding block 21 drives the transmission rod 24 to move horizontally, the transmission rod 24 drives the second connecting rod 25 to move horizontally, the second connecting rod 25 drives the outer rod 26 and the inner rod 27 to move horizontally, when moving to the appropriate position, the spray head 28 on the inner rod 27 sprays water, and the cleaning brush 29 on the inner rod 27 cleans the injection needle 16, so that the needle and its components can be cleaned after work.

[0034] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range of ordinary skill in the art person who has possessed under the premise of not departing from the utility model tenet.

Claims

1. A valve seat detachable dispensing valve for COB, comprising a dispensing valve body (1), characterized in that: The point glue valve body (1) upper side fixed connection has the first connecting rod (13), the first connecting rod (13) front side fixed connection has the first fixed plate (6), the first fixed plate (6) inside be provided with the barrel (5), the barrel (5) lower side fixed connection has the feed pipe (10), the feed pipe (10) other side fixed connection has the valve seat body (14), the valve seat body (14) rear side fixed connection has the valve body (17), the valve body (17) right side is provided with electric slide rail (18), electric slide rail (18) outside rotationally connected with slider (21), the slider (21) right side fixed connection has transmission rod (24), transmission rod (24) right side fixed connection has the second connecting rod (25), the second connecting rod (25) other side fixed connection has the outer rod (26), the outer rod (26) left side is provided with inner rod (27), the inner rod (27) outside is provided with cleaning brush (29).

2. The valve seat detachable COB dispensing valve according to claim 1, characterized in that, The barrel (5) upper side fixed connection has the feed pipe (8), the feed pipe (8) upper side is provided with feed inlet (9).

3. The valve seat detachable COB dispensing valve according to claim 1, wherein, The point glue valve body (1) lower side is provided with injection cylinder (3), the injection cylinder (3) upper side fixed connection has servo motor (30), the output of servo motor (30) is fixedly connected to injection cylinder (3), the injection cylinder (3) lower side is provided with needle head adapter assembly (15), the needle head adapter assembly (15) lower side fixed connection has injection needle (16).

4. The valve seat detachable COB dispensing valve according to claim 1, wherein, The electric slide rail (18) rear side rotationally connected with bearing (20), the bearing (20) rear side fixed connection has base (19).

5. The valve seat detachable COB dispensing valve according to claim 1, wherein, The electric slide rail (18) front side rotationally connected with top plate (22), the top plate (22) front side fixed connection has drive motor (23), the output of drive motor (23) is fixedly connected to electric slide rail (18).

6. The valve seat detachable COB dispensing valve according to claim 1, wherein, The point glue valve body (1) lower side fixed connection has fixed frame (2), the fixed frame (2) inside is provided with through-hole (12), the fixed frame (2) front side fixed connection has the third fixed plate (11), the feed pipe (10) is connected to the third fixed plate (11) through, the third fixed plate (11) inside is provided with through slot (4).

7. The valve seat detachable COB dispensing valve according to claim 1, wherein, The point glue valve body (1) front side fixed connection has the second fixed plate (7), the barrel (5) is connected to the second fixed plate (7) through.

8. The valve seat detachable COB dispensing valve according to claim 1, wherein, The inner rod (27) outside is provided with spray head (28).