An automatic gluing device

By altering the hose structure through gas pressure, the adhesive can be compressed and discharged or vacuumed in, solving the problem of adhesive residue in the coating device and improving equipment cleaning efficiency and finished product quality.

CN115634809BActive Publication Date: 2026-04-21YONGZHOU DAFUXIN DISPLAY TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YONGZHOU DAFUXIN DISPLAY TECH
Filing Date
2022-10-11
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

After operation, existing adhesive application devices often leave adhesive residue on the screw surface and the inner wall of the pipe, which affects the quality of the next injection and is difficult to clean.

Method used

By changing the pressure of gas under different conditions to alter the hose structure, and using replaceable hoses for colloid compression and discharge or vacuum suction, colloid delivery is achieved using simple and low-cost components.

Benefits of technology

It reduces the negative impact of colloidal residue on equipment and finished product quality, simplifies the cleaning process, and improves equipment efficiency and finished product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of gluing devices, and discloses an automatic gluing device which comprises a transverse shell with a supporting seat arranged at the bottom, a plurality of longitudinal and parallel gas reservation cavities arranged in the transverse shell, a main partition interval formed by the spacing structure between every two adjacent gas reservation cavities, a sub-partition interval formed by the spacing structure between every component fixing groove and the corresponding gas reservation cavity, a hose through hole arranged at the center of the main partition interval and the sub-partition interval, and a main air inlet pipeline and a main air outlet pipeline arranged on the upper surface of the transverse shell. The automatic gluing device changes the structure and appearance of the replaceable hose through the gas pressure in different states, so that the glue in the center of the hose is compressed and discharged or vacuum-sucked, the hose is a simple and low-cost component and can be used once, and the negative influence of glue residue on the equipment and the quality of finished products is reduced.
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Description

Technical Field

[0001] This invention relates to the field of gluing equipment technology, specifically to an automatic gluing device. Background Technology

[0002] In various equipment that requires gluing, such as in the display manufacturing process, it is necessary to seal the liquid crystal glass with glue. Therefore, one of the essential functions is to transport the glue from the storage device to the injection device. The main structure of the existing glue application equipment for display manufacturing mainly includes a drive motor and a screw that rotates with the drive motor. The screw rotates under the action of the drive motor, and the spiral blade structure on its rod can continuously transport the glue located around it to one side. Through the conveying capacity of the screw, the viscous glue is transported to the injection device, thereby realizing part of the automatic glue application function.

[0003] However, in actual operation, the above-mentioned glue application device uses the spiral blade structure in the screw for conveying, and the glue is generally a viscous liquid. Therefore, after each operation, a large amount of glue will remain on the surface of the screw and the inner wall of the pipe. This glue is difficult to clean, and the residual glue will seriously affect the injection and quality of the next glue application. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides an automatic gluing device. By applying gas pressure under different conditions to a replaceable hose, the device alters the hose's structural shape, thereby compressing and discharging the adhesive at the center of the hose or drawing it in under vacuum. Furthermore, the hose is a simple, inexpensive component that can be used once, reducing the negative impact of adhesive residue on equipment and finished product quality, thus solving the aforementioned technical problems.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention provides the following technical solution: an automatic gluing device, comprising a transverse housing with a support base installed at the bottom, concave component fixing grooves located on both ends of the transverse housing, multiple longitudinal and parallel gas pre-reservation chambers located inside the transverse housing, a partition structure between every two adjacent gas pre-reservation chambers forming a main partition section, a partition structure between each component fixing groove and its corresponding gas pre-reservation chamber forming a secondary partition section, a hose through hole located at the center of the main partition section and the secondary partition section, a main air inlet pipe and a main air extraction pipe disposed on the upper surface of the transverse housing, a main air inlet hole for gas to flow from the main air inlet pipe into the interior of an edge gas pre-reservation chamber, a main air extraction hole for gas to flow from another edge gas pre-reservation chamber to the outside of the main air extraction pipe, and a valve body moving groove with one end open and penetrating the main air inlet pipe and the main air extraction pipe, wherein a detachable hose structure is inserted into the center of the multiple hose through holes, and the hose structure is screwed with a limit rotation structure by a separable thread structure at the location of the two component fixing grooves, and each main partition section is provided with a spacer for gas to flow between adjacent... The gas flow hole inside the gas pre-reservation chamber is located on the transverse shell. A fixed outer shell is installed at the opening of the valve body moving slot. Inside the fixed outer shell is an iron core placed in the inner hole of the coil. Inside the valve body moving slot is a valve body structure that can move horizontally back and forth under the action of the elasticity of the helical spring and the magnetic field generated by the iron core. When gas enters through the main air inlet, it first enters the first gas pre-reservation chamber. At this time, the rubber hose inside the gas pre-reservation chamber is compressed under the action of high pressure gas, so that the colloid inside is compressed and transported. At the same time, high pressure air enters the next gas pre-reservation chamber through the hose through hole and the gas flow hole, so that the rubber hose is gradually compressed to transport the colloid, thereby preventing the rubber hose from being blocked by high pressure air at the end of the transport. When the air is extracted through the main air extraction hole, a vacuum state is formed inside each gas pre-reservation chamber. This vacuum state forces the rubber hose to expand. At this time, the colloid from the outside will enter the interior of the rubber hose under the action of the external atmospheric pressure, realizing the intake of the colloid.

[0008] The above technical solution involves applying gas pressure to a replaceable hose under different conditions, thereby changing the hose's structural shape. This allows the colloid in the hose's center to be compressed and discharged or vacuum-drawn in. Furthermore, the hose is a simple, inexpensive component that can be used once, reducing the negative impact of colloid residue on equipment and finished product quality.

[0009] Preferably, the valve body structure includes a columnar valve stem that can move inside the valve body moving groove. A plate-shaped permanent magnet is embedded inside the end face of the columnar valve stem near the iron core. A compressed helical spring is placed between the end face of the columnar valve stem and the end face of the iron core. The inside of the columnar valve stem is provided with a secondary air inlet and a secondary air outlet for communicating with the main air inlet and the main air outlet. The distance between the secondary air inlet and the secondary air outlet is the same as the distance between the main air inlet and the main air outlet, and the structural radius of the secondary air inlet is smaller than that of the secondary air outlet. When the secondary air inlet is fully connected to the main air inlet, the secondary air outlet is in a fully closed state with the main air outlet.

[0010] The above technical solution utilizes electromagnetic principles to allow the magnetic field generated by the iron core to attract the plate-shaped permanent magnet, thereby driving the columnar valve stem to move towards the iron core. This allows the auxiliary air inlet to be fully connected to the main air inlet, enabling air injection. Similarly, when the electromagnetic field is turned off, the auxiliary air extraction port is connected to the main air extraction port under the elastic action of the helical spring, allowing gas to be extracted. This achieves the control function of high-pressure gas and vacuum state.

[0011] Preferably, the hose structure includes a rubber hose with a main through hole at the center and two pipe bodies with secondary through holes at the center. The two open ends of the rubber hose are snapped onto the outer circumferential surfaces of the corresponding end faces of the two pipe bodies by detachable retaining rings. The outer circumferential surfaces of the two pipe bodies are provided with external thread structures that are threaded to the limiting rotation structure near the retaining rings. The outer circumferential surfaces of the two pipe bodies are provided with hexagonal protrusion structures for manually preventing their rotation near the external thread structures. A replaceable liquid flow check valve is installed inside one of the secondary through holes. During installation, the pipe body with the liquid flow check valve is close to the main exhaust port, and the liquid inlet direction of the main exhaust port liquid flow check valve faces the main through hole. There is a certain distance between the inner surface of the hose through hole and the outer arc of the corresponding rubber hose, pipe body, retaining ring, external thread structure and hexagonal protrusion structure. The initial length of the rubber hose is less than the distance between the two secondary partitions and greater than the distance between multiple gas reserved chambers.

[0012] The above technical solution allows the rubber hose to be inserted into the through hole of the hose and then positioned in the center of the through hole by a threaded structure. This ensures that the rubber hose is in the intended working position. Furthermore, the rubber hose can be replaced after each use, and cleaning the inner wall of the rubber hose is relatively simple, thus simplifying the process of removing residual adhesive and reducing the negative impact caused by adhesive residue.

[0013] Preferably, the limiting rotation structure includes an annular limiting plate with an internal threaded hole at its center, and the internal threaded hole has an internal thread structure that can cooperate with the external thread structure. A protruding rubber sealing ring is installed on one end face of the annular limiting plate around the internal threaded hole, and a recessed annular permanent magnet is installed on one end face of the annular limiting plate around the rubber sealing ring. The annular permanent magnet can be attracted to the end face of the sub-partition plate section.

[0014] The above technical solution allows for the adsorption of the end face of the sub-partition section, providing a detachable limit for the hose structure. Furthermore, since the assembly is a threaded connection, disassembly and assembly are relatively simple.

[0015] Compared with the prior art, the present invention provides an automatic gluing device, which has the following beneficial effects:

[0016] This automatic gluing device applies gas pressure to a replaceable hose under different conditions, thereby changing the hose's structural shape. This causes the adhesive in the center of the hose to be compressed and discharged or vacuum-drawn in. Furthermore, the hose is a simple and inexpensive component that can be used once, reducing the negative impact of adhesive residue on the equipment and the quality of the finished product. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the full cross-section structure of the present invention;

[0018] Figure 2 This is a perspective view of the present invention;

[0019] Figure 3 This is a perspective view of the valve body structure in this invention;

[0020] Figure 4 This is a three-dimensional cross-sectional view of the hose structure in this invention;

[0021] Figure 5 This is a perspective view of the limiting rotation structure in this invention.

[0022] The components include: 1. Transverse shell; 2. Support base; 3. Component fixing groove; 4. Gas reserved cavity; 5. Main partition section; 6. Sub-partition partition section; 7. Valve body moving groove; 8. Main air intake pipe; 9. Main air extraction pipe; 10. Main air intake port; 11. Main air extraction port; 12. Hose through hole; 13. Gas flow hole; 14. Coil; 15. Iron core; 16. Fixed shell; 17. Valve body structure; 171. Columnar valve stem; 172. Plate-shaped... 173. Permanent magnet; 174. Helical spring; 175. Secondary air inlet; 176. Secondary air extraction port; 18. Hose structure; 181. Rubber hose; 182. Main through hole; 183. Pipe body; 184. Secondary through hole; 185. Snap ring; 186. External thread structure; 187. Hexagonal protrusion structure; 19. Limiting rotation structure; 191. Annular limiting plate; 192. Internal thread hole; 193. Rubber sealing ring; 194. Annular permanent magnet. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Please see Figure 1-2An automatic gluing device includes a transverse housing 1 with a support base 2 mounted on its bottom, recessed component fixing grooves 3 located on both ends of the transverse housing 1, multiple longitudinal and parallel gas pre-reservation chambers 4 located inside the transverse housing 1, a partition structure between every two adjacent gas pre-reservation chambers 4 forming a main partition section 5, a partition structure between each component fixing groove 3 and its corresponding gas pre-reservation chamber 4 forming a secondary partition section 6, a flexible hose through hole 12 located at the center of the main partition section 5 and the secondary partition section 6, a main air inlet pipe 8 and a main air extraction pipe 9 disposed on the upper surface of the transverse housing 1, a main air inlet hole 10 for gas to flow from the main air inlet pipe 8 into the interior of an edge gas pre-reservation chamber 4, and a main air extraction hole 10 for gas to flow out from another edge gas pre-reservation chamber 4 to the outside of the main air extraction pipe 9. The main exhaust port 11 and the valve body moving groove 7, which is open at one end and passes through the main intake pipe 8 and the main exhaust pipe 9, are provided. A detachable hose structure 18 is inserted into the center of multiple hose through holes 12. The hose structure 18 is connected to the limit rotation structure 19 by a separable thread structure at the position of the two component fixing groove 3. Each main partition section 5 is provided with a gas flow hole 13 for gas to flow in the adjacent gas reserved cavity 4. A fixed outer shell 16 is installed at the opening of the valve body moving groove 7 in the transverse housing 1. An iron core 15 placed in the inner hole of the coil 14 is installed inside the fixed outer shell 16. A valve body structure 17 that can move horizontally back and forth under the action of the elasticity of the helical spring and the magnetic field generated by the iron core 15 is placed inside the valve body moving groove 7.

[0025] The valve body structure 17 includes a columnar valve stem 171 that can move inside the valve body moving groove 7. A plate-shaped permanent magnet 172 is embedded in the end face of the columnar valve stem 171 near the iron core 15. A compressed helical spring 173 is placed between the end face of the columnar valve stem 171 and the end face of the iron core 15. The columnar valve stem 171 is provided with a secondary air inlet 174 and a secondary air outlet 175 for communicating with the main air inlet 10 and the main air outlet 11. The distance between the secondary air inlet 174 and the secondary air outlet 175 is the same as the distance between the main air inlet 10 and the main air outlet 11. The structural radius of the secondary air inlet 174 is smaller than the structural radius of the secondary air outlet 175. When the secondary air inlet 174 is fully connected to the main air inlet 10, the secondary air outlet 175 is in a fully closed state with the main air outlet 11.

[0026] The hose structure 18 includes a rubber hose 181 with a central main through hole 182 and two pipe bodies 183 with central secondary through holes 184. The two open ends of the rubber hose 181 are secured to the outer circumferential surfaces of the corresponding end faces of the two pipe bodies 183 by detachable retaining rings 185. The outer circumferential surfaces of the two pipe bodies 183 have external thread structures 186 near the retaining rings 185, which are threaded to the limiting rotation structure 19. The outer circumferential surfaces of the two pipe bodies 183 also have hexagonal protrusion structures 187 near the external thread structures 186 for manually preventing rotation. One secondary through hole 184... An internally replaceable liquid flow check valve 188 is installed. During installation, the pipe body 183 with the liquid flow check valve 188 is close to the main exhaust port 11, and the liquid inlet direction of the main exhaust port liquid flow check valve 188 is facing the main through port 182. There is a certain distance between the inner surface of the hose through port 12 and the outer arc of the corresponding rubber hose 181, pipe body 183, retaining ring 185, external thread structure 186 and hexagonal protrusion structure 187. The initial length of the rubber hose 181 is less than the distance between the two partition plates 6 and greater than the distance between the multiple gas reserved chambers 4.

[0027] The limiting rotation structure 19 includes an annular limiting plate 191 with an internal threaded hole 192 at its center. The internal threaded hole 192 has an internal thread structure that can cooperate with the external thread structure 186. A protruding rubber sealing ring 193 is installed on one end face of the annular limiting plate 191 around the internal threaded hole 192. A recessed annular permanent magnet 194 is installed on one end face of the annular limiting plate 191 around the rubber sealing ring 193. The annular permanent magnet 194 can be attracted to the end face of the sub-partition plate interval 6.

[0028] In use, the main intake pipe 8 is connected to the exhaust port of an air compressor, and the main extraction pipe 9 is connected to the intake port of an extraction pump. Finally, the pipe body 183 without the liquid flow check valve 188 is connected to the discharge port of a colloid storage device. Similarly, the pipe body 183 with the liquid flow check valve 188 is connected to the liquid inlet of a colloid injection device. Then, the hose structure 18 and the limiting rotation structure 19 are assembled into the working state. A directional current is injected into the coil 14, so that the magnetic field generated by the iron core 15 can attract the plate-shaped permanent magnet 172, thereby driving the columnar valve stem 171 to move towards the iron core 15, so that the auxiliary air intake port 174 is fully connected to the main air intake port 10. First, the extraction pump is started. When air is extracted through the main extraction port 11, a vacuum is formed inside each gas reserved cavity 4. In this vacuum state, the rubber hose 181 is forced to expand. At this time, the external colloid enters the interior of the rubber hose 181 under the action of the external atmospheric pressure, realizing the intake of the colloid. Then, the air compressor is activated. When the gas enters through the main air inlet 10, it first enters the first gas reserved chamber 4. At this time, the rubber hose 181 located inside the gas reserved chamber 4 is compressed under the action of high pressure gas, so that the colloid inside is compressed and transported. At the same time, the high pressure air enters the next gas reserved chamber 4 through the hose through hole 12 and the gas flow hole 13, so that the rubber hose 181 transports the colloid in a gradually compressed manner. After the work is completed, the annular limiting plate 191 is rotated relative to the rubber hose 181, so that the two are disassembled. Then the hose structure 18 is pulled out for cleaning or replacement.

[0029] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic gluing device, comprising a transverse housing (1) with a support base (2) mounted on its bottom, recessed component fixing grooves (3) located on both ends of the transverse housing (1), a plurality of longitudinal and parallel gas pre-reservation chambers (4) located inside the transverse housing (1), a separation structure between every two adjacent gas pre-reservation chambers (4) forming a main partition section (5), a separation structure between each component fixing groove (3) and its corresponding gas pre-reservation chamber (4) forming a secondary partition section (6), and a separation structure between the main partition section (5) and the secondary partition section (6). The features include: a flexible hose through-hole (12) in the center of the partition section (6); a main air intake pipe (8) and a main air extraction pipe (9) disposed on the upper surface of the transverse housing (1); a main air intake hole (10) for gas to flow from the main air intake pipe (8) into the interior of an edge gas reserved cavity (4); a main air extraction hole (11) for gas to flow from another edge gas reserved cavity (4) to the outside of the main air extraction pipe (9); and a valve body moving groove (7) with one end open and penetrating the main air intake pipe (8) and the main air extraction pipe (9). A detachable hose structure (18) is inserted into the center of multiple hose through holes (12). The hose structure (18) is screwed with a limit rotation structure (19) through a separable thread structure at the location of the two component fixing groove (3). Each of the main partition intervals (5) is provided with a gas flow hole (13) for gas to flow in the adjacent gas reserved cavity (4). A fixed shell (16) is installed at the opening of the valve body moving groove (7) of the transverse housing (1). A set of iron core (15) placed in the inner hole of the coil (14) is installed inside the fixed shell (16). A valve body structure (17) that can move horizontally back and forth under the action of the elasticity of the helical spring and the magnetic field generated by the iron core (15) is placed inside the valve body moving groove (7).

2. The automatic gluing device according to claim 1, characterized in that: The valve body structure (17) includes a columnar valve stem (171) that can move inside the valve body moving groove (7). A plate-shaped permanent magnet (172) is embedded in the end face of the columnar valve stem (171) near the iron core (15). A compressed helical spring (173) is placed between the end face of the columnar valve stem (171) and the end face of the iron core (15). The inside of the columnar valve stem (171) is provided with a secondary air inlet (174) and a secondary air outlet (175) for communicating with the main air inlet (10) and the main air outlet (11).

3. The automatic gluing device according to claim 2, characterized in that: The distance between the secondary air inlet (174) and the secondary air extraction port (175) is the same as the distance between the main air inlet (10) and the main air extraction port (11), and the structural radius of the secondary air inlet (174) is smaller than the structural radius of the secondary air extraction port (175).

4. The automatic gluing device according to claim 3, characterized in that: When the secondary air inlet (174) is fully connected to the main air inlet (10), the secondary air extraction port (175) and the main air extraction port (11) are in a fully closed state.

5. An automatic gumming device according to claim 4, wherein: The hose structure (18) includes a rubber hose (181) with a central main through hole (182) and two pipe bodies (183) with central secondary through holes (184). The two open ends of the rubber hose (181) are snapped onto the outer circumferential surfaces of the corresponding end faces of the two pipe bodies (183) by detachable retaining rings (185). The outer circumferential surfaces of the two pipe bodies (183) are provided with external thread structures (186) that are threaded to the limiting rotation structure (19) near the retaining rings (185). The outer circumferential surfaces of the two pipe bodies (183) are provided with hexagonal protrusion structures (187) for manually preventing their rotation near the external thread structures (186). A replaceable liquid flow check valve (188) is installed inside one of the secondary through holes (184).

6. An automatic gumming device according to claim 5, characterized in that: During installation, the pipe body (183) with the liquid flow check valve (188) is close to the main air extraction port (11), and the liquid inlet direction of the liquid flow check valve (188) of the main air extraction port is towards the main through hole (182).

7. An automatic gumming device according to claim 6, characterized in that: There is a certain distance between the inner surface of the hose through hole (12) and the outer arc of the corresponding rubber hose (181), pipe body (183), retaining ring (185), external thread structure (186) and hexagonal protrusion structure (187).

8. The automatic gluing device according to claim 7, characterized in that: The initial length of the rubber hose (181) is less than the distance between the two partition sections (6) and greater than the distance between the multiple gas reserved chambers (4).

9. An automatic gluing device according to claim 8, characterized in that: The limiting rotation structure (19) includes an annular limiting plate (191) with an internal threaded hole (192) at its center. The internal threaded hole (192) is provided with an internal thread structure that can cooperate with the external thread structure (186). A protruding rubber sealing ring (193) is installed on one end face of the annular limiting plate (191) around the internal threaded hole (192). A recessed annular permanent magnet (194) is installed on one end face of the annular limiting plate (191) around the rubber sealing ring (193).

10. The automatic gluing device according to claim 9, characterized in that: The annular permanent magnet (194) can be adsorbed onto the end face of the sub-partition interval (6).

Citation Information

Patent Citations

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