Sleeve part gluing device

By designing a glue application device for sleeve-type parts, the problems of uneven glue application and low efficiency were solved, achieving precise positioning and uniform glue application for sleeve-type parts, thereby improving production efficiency and sealing performance.

CN224114445UActive Publication Date: 2026-04-14YANTAI JEREH IND & MINING PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANTAI JEREH IND & MINING PARTS CO LTD
Filing Date
2025-06-24
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Traditional adhesive application methods suffer from poor adhesive uniformity, low efficiency, and difficulty in controlling part positioning and adhesive application dimensions, resulting in unstable sealing performance and low production efficiency.

Method used

A glue-applying device for sleeve-type parts was designed, including a base, an immersion plate, a glue storage box, and an elastic connector. The device achieves precise positioning and uniform glue application of sleeve-type parts through a precision fit and positioning structure, and uses the elastic connector to provide stable support to ensure uniform glue distribution.

Benefits of technology

It significantly improves the uniformity and efficiency of adhesive application, saves on the amount of sealant used, increases production efficiency, and meets the high-efficiency adhesive application needs of modern manufacturing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sleeve type part gluing device, relates to the technical field of sleeve type part assembly, and can solve the technical problem of low gluing efficiency in the traditional sleeve type part assembly process. The bottom of a base outer wall is connected with a bottom plate, and the top of the base outer wall is connected with the top of a base inner wall through a base top wall; the bottom of the inner wall of the base is connected with the outer edge of the immersion plate, a main through hole is formed in the middle of the immersion plate, and the hole wall of the main through hole is an immersion surface; the glue storage box is embedded in a cavity formed by the base and comprises a glue storage box outer wall, a glue storage box bottom wall and a positioning protrusion, the bottom of the glue storage box outer wall is connected with the outer edge of the glue storage box bottom wall, and the positioning protrusion is connected to the upper portion of the middle of the glue storage box bottom wall and arranged in the main through hole in a penetrating mode. A positioning head used for limiting transverse movement of the sleeve part is arranged at the top of the positioning protrusion. The bottom of the glue storage box bottom wall is connected with the top of the bottom plate through an elastic connecting piece. The gluing device can be used for gluing in the assembly process of sleeve parts, and the gluing efficiency is high.
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Description

Technical Field

[0001] This utility model relates to the field of assembly technology for sleeve-type parts, and in particular to a glue-applying device for sleeve-type parts. Background Technology

[0002] In the field of mechanical manufacturing and parts assembly, applying sealant to sleeve-type parts is a common and crucial process. Taking common sleeve-type parts such as mechanical seal sleeves and pipe connection sleeves as examples, sealant needs to be evenly applied to their sealing surfaces during assembly to ensure good sealing performance and ensure normal equipment operation.

[0003] Currently, the industry commonly uses a sponge-dipped adhesive application method for applying sealant to sleeve-like parts. The specific procedure involves soaking small pieces of sponge in sealant and manually applying it to the sealing surfaces of the sleeve-like parts before assembly. However, this traditional adhesive application method has several unavoidable problems:

[0004] Poor adhesive uniformity: In traditional adhesive application methods, the uniformity of the adhesive application relies entirely on the operator's visual observation, lacking precise quantitative standards. Due to significant errors in human observation, it is difficult to ensure consistent adhesive thickness with each application, easily resulting in adhesive layers that are too thick or too thin. An excessively thick adhesive layer leads to sealant waste and may cause adhesive overflow after assembly, affecting the product's appearance and performance; an excessively thin adhesive layer fails to effectively seal, reducing the product's sealing performance and reliability.

[0005] Inefficient glue application: The manual method of applying glue using a sponge is cumbersome and time-consuming. Applying glue to each type of part requires repeating multiple steps, especially when processing large quantities of parts, resulting in extremely low efficiency. With the rapid development of the manufacturing industry and the continuous increase in product output, this inefficient glue application method severely restricts production progress and makes it difficult to meet the ever-growing production demands.

[0006] Difficulties in part positioning and adhesive application size control: In traditional adhesive application processes, the lack of precise positioning devices for sleeve-type parts makes them prone to displacement during application, leading to inaccurate adhesive placement and affecting assembly accuracy. Furthermore, effective control over adhesive application dimensions, such as adhesive layer thickness and application range, cannot be achieved, further reducing product quality stability. Utility Model Content

[0007] In order to solve one or more technical problems in the prior art, this utility model provides a gluing device for sleeve parts.

[0008] A device for applying adhesive to sleeve-type parts:

[0009] Includes base, bottom plate, immersion plate, glue storage box and elastic connectors;

[0010] The base includes an outer wall, a top wall, and an inner wall. The bottom of the outer wall is connected to the base plate, and the top of the outer wall is connected to the top of the inner wall through the top wall. The bottom of the inner wall is connected to the outer edge of the immersion plate. The immersion plate has a main through hole in the middle, and the wall of the main through hole is the immersion surface.

[0011] The glue storage box is embedded in the cavity formed by the base. The glue storage box includes an outer wall, a bottom wall, and a positioning protrusion. The bottom of the outer wall is connected to the outer edge of the bottom wall. The positioning protrusion is connected above the middle part of the bottom wall and passes through the main through hole. The top of the positioning protrusion is provided with a positioning head for restricting the lateral movement of sleeve-type parts.

[0012] The bottom of the glue storage box is connected to the top of the base plate via the elastic connector, so that the outer wall of the glue storage box can move up and down within the cavity formed by the base, and the positioning protrusion can move up and down within the main through hole.

[0013] Preferably, the upper part of the outer wall of the base is provided with an outer groove, and the inner wall of the base is provided with an inner groove, the inner groove communicating with the outer groove.

[0014] Preferably, the junction between the top wall of the base and the inner wall of the base is provided with a limiting structure for restricting the vertical movement of the sleeve-type parts.

[0015] Preferably, the base plate is threadedly connected to the outer wall of the base.

[0016] Preferably, the base plate has a recessed groove in the middle, and the bottom of the elastic connector is embedded in the recessed groove.

[0017] Preferably, the elastic connector is a compression spring.

[0018] Preferably, the immersion plate is further provided with a secondary through hole, which is disposed between the main through hole and the outer edge of the immersion plate.

[0019] Preferably, the upper edges of the main through hole and / or the secondary through hole are chamfered.

[0020] Preferably, the outer side of the outer wall of the glue storage box is provided with a guide protrusion, which is slidably connected to the inner side of the outer wall of the base.

[0021] Preferably, the positioning head includes an insertion section and a protrusion section connected vertically. The outer diameter of the insertion section gradually decreases from bottom to top. The bottom inner diameter of the sleeve-like part is smaller than the top outer diameter of the protrusion section and not smaller than the bottom outer diameter of the insertion section.

[0022] The beneficial effects of this utility model are:

[0023] Excellent adhesive uniformity: This invention features a uniquely designed base, immersion plate, and adhesive storage box, along with a bottom plate and elastic connectors. This design ensures that the sealant level in the storage box exceeds the immersion surface in the initial working state. When the sleeve-like parts are placed on the positioning protrusion and pressed down, the adhesive storage box descends, resulting in a uniform adhesive coating on the immersion surface. The main through-hole precisely matches the positioning protrusion, and the elastic connectors provide stable support, ensuring the sleeve-like parts descend vertically and smoothly. When the adhesive-coated surface of the sleeve-like parts approaches the immersion surface, the adhesive is evenly distributed across the coating surface.

[0024] Cost savings: Traditional manual application can easily lead to excessive glue application and waste of sealant. This utility model device, with its innovative structural design, can precisely control the amount of glue used each time. Only the amount of glue needed to cover the immersed surface is required to complete the uniform application of the sleeve parts, avoiding excessive use and waste of glue, and effectively reducing production costs.

[0025] High glue application efficiency: Compared with the traditional sponge glue application method, this device is simple and efficient to operate. The operator simply places the sleeve-like part onto the positioning protrusion and presses it down to complete the glue application, eliminating the need for repetitive and tedious steps. This allows for a fast and continuous glue application process, significantly reducing application time. Calculations show that the glue application efficiency using this invention is at least 10 times higher than that of the traditional sponge glue application method, meeting the high production efficiency demands of modern manufacturing. Attached Figure Description

[0026] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0027] Figure 1 This is a schematic diagram of a gluing device for sleeve-type parts according to an embodiment of the present utility model;

[0028] Figure 2 This is a schematic diagram of the adhesive application device for sleeve-type parts according to an embodiment of the present utility model, in which adhesive liquid has been added;

[0029] Figure 3 The explosion of the adhesive applicator for sleeve-type parts according to an embodiment of this utility model. Figure 1 ;

[0030] Figure 4 The explosion of the adhesive applicator for sleeve-type parts according to an embodiment of this utility model. Figure 2 ;

[0031] Figure 5 yes Figure 4 Sectional view along the middle AA direction;

[0032] Figure 6 This is a schematic diagram of the base according to an embodiment of the present utility model;

[0033] In the picture:

[0034] 1. Base; 11. Outer wall of base; 111. Outer groove; 112. Hollow hole; 12. Top wall of base; 13. Inner wall of base; 131. Inner groove; 14. Limiting structure;

[0035] 2. Base plate; 21. Recessed groove;

[0036] 3. Immersion plate; 31. Main through hole; 311. Immersion surface; 32. Secondary through hole;

[0037] 4. Glue storage box; 41. Outer wall of glue storage box; 411. Guide protrusion; 42. Bottom wall of glue storage box; 43. Positioning protrusion; 431. Positioning head; 4311. Insertion section; 4312. Protrusion section;

[0038] 5. Flexible connectors;

[0039] 6. Sleeve-type parts;

[0040] 7. Adhesive liquid. Detailed Implementation

[0041] In the field of mechanical manufacturing and parts assembly, the sealing surfaces of sleeve-type parts (such as mechanical seal sleeves and pipe connection sleeves) need to be uniformly coated with sealant. The core purpose is to ensure good sealing performance and ensure the normal operation of equipment. Sealant can fill the microscopic gaps on the surface of parts, forming a continuous sealing layer to prevent leakage of liquids, gases, or dust. It is a key process for ensuring the sealing performance and reliability of mechanical components. This invention can solve the technical problems of uneven sealant coating thickness and low sealant application efficiency during the assembly of sleeve-type parts.

[0042] The present application will now be described in detail with reference to the accompanying drawings and embodiments. Various examples are provided by way of explanation and not by way of limitation. In fact, those skilled in the art will recognize that modifications and variations can be made to the present application without departing from the scope or spirit thereof. For example, a feature shown or described as part of one embodiment may be used in another embodiment to produce yet another embodiment. Therefore, it is desirable that the present application encompass such modifications and variations that fall within the scope of the appended claims and their equivalents.

[0043] In the description of this application, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and do not require that this application be constructed and operated in a specific orientation, and therefore should not be construed as limiting this application. The terms "connected," "linked," and "set up" used in this application should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; they can refer to a direct connection or an indirect connection through intermediate components. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0044] like Figures 1-6 As shown, a glue-applying device for sleeve-type parts:

[0045] Includes base 1, bottom plate 2, immersion plate 3, glue storage box 4, and elastic connector 5;

[0046] The base 1 includes an outer wall 11, a top wall 12, and an inner wall 13. The bottom of the outer wall 11 is connected to the base plate 2. The top of the outer wall 11 is connected to the top of the inner wall 13 through the top wall 12. The bottom of the inner wall 13 is connected to the outer edge of the immersion plate 3. The immersion plate 3 has a main through hole 31 in the middle, and the hole wall of the main through hole 31 is the immersion surface 311.

[0047] The glue storage box 4 is embedded in the cavity formed by the base 1. The glue storage box 4 includes an outer wall 41, a bottom wall 42, and a positioning protrusion 43. The bottom of the outer wall 41 is connected to the outer edge of the bottom wall 42. The positioning protrusion 43 is connected above the middle part of the bottom wall 42 and passes through the main through hole 31. The top of the positioning protrusion 43 is provided with a positioning head 431 for restricting the lateral movement of the sleeve part 6.

[0048] The bottom of the glue storage box bottom wall 42 is connected to the top of the base plate 2 by an elastic connector 5, so that the glue storage box outer wall 41 can move up and down in the cavity formed by the base 1, and the positioning protrusion 43 can move up and down in the main through hole 31.

[0049] In practice, the glue storage box 4, supported by the elastic connector 5, can naturally rest on top of the base 1, with the top wall of the outer wall 41 of the glue storage box abutting the lower end of the top wall 12 of the base. During operation, sealant 7 can be injected into the glue storage box 4 until the liquid level of 7 exceeds the upper end of the immersion surface 311, preferably until the liquid level of 7 exceeds the upper surface of the immersion plate 3. The sleeve-like part 6 is then fitted onto the positioning protrusion 43, and the positioning head 431 ensures the stability of the sleeve-like part 6. Since the outer wall 11 of the base is higher than the inner wall 13 of the base, the glue storage box 4 has ample room to move. Pressing down the sleeve-like part 6 causes the glue storage box 4 to descend under the action of the elastic connector 5, the immersion plate 3 separates from the glue 7, and a thin layer of glue 7 adheres to the surface of the immersion surface 311. Continue pressing down to make the sleeve part 6 fully contact the adhesive surface of the sleeve part 6 with the adhesive 7 on the surface of the immersion surface 311. After removing the sleeve part 6, a layer of adhesive 7 with uniform height and thickness will adhere to its adhesive surface. After that, the next assembly work of the sleeve part 6 can be carried out.

[0050] More specifically, the main through hole 31 can be custom-machined according to the outer diameter and height of the adhesive application area of ​​the sleeve-type part 6, ensuring uniform application of the adhesive 7. The dimensions and thickness of each part of the base 1 can also be optimized based on the size and weight of the sleeve-type part 6. For example, for large sleeve-type parts 6, the wall thickness and height of the base 1 can be appropriately increased to enhance structural stability.

[0051] Traditional methods for applying adhesive to sleeve-type parts 6 often involve using a sponge to apply the adhesive, which heavily relies on manual experience, resulting in uneven application and low efficiency. This invention, through an innovative structural design that cleverly combines the components, enables precise positioning and uniform adhesive application for sleeve-type parts 6.

[0052] In one specific embodiment of this utility model, the upper part of the outer wall 11 of the base is provided with an outer groove 111, and the inner wall 13 of the base is provided with an inner groove 131, the inner groove 131 and the outer groove 111 are in communication.

[0053] In practical implementation, the structural design of the outer groove 111 and the inner groove 131 facilitates the operator's gripping of the sleeve-like part 6 and reduces friction between the base 1 and the glue storage box 4, allowing the glue storage box 4 to move more smoothly under the action of the elastic connector 5, thus improving glue application efficiency. Simultaneously, the grooves also facilitate gas diffusion, preventing air bubbles from forming during glue application and ensuring application quality. The specific dimensions of the outer groove 111 and the inner groove 131, such as depth, width, and spacing, can be adjusted according to the weight and movement frequency of the glue storage box 4. For heavier glue storage boxes 4 or high-frequency use, the groove dimensions can be appropriately increased to better reduce friction. Furthermore, the shape of the grooves can be diversified, such as trapezoidal, arc-shaped, or dovetail-shaped, to meet different usage requirements.

[0054] More specifically, the outer wall 11 of the base can have various specific design forms. For example, a cylindrical structure for the outer wall 11 can provide stable support and uniform stress distribution; or a base outer wall 11 composed of multiple rib structures can reduce weight while ensuring strength; or perforations 112 can be provided in the cylindrical outer wall (such as...). Figure 6 As shown in the figure, this can further reduce weight, reduce friction between the base 1 and the storage box 4, and enhance gas flow and heat dissipation.

[0055] In one specific embodiment of this utility model, a limiting structure 14 for restricting the vertical movement of the sleeve-type part 6 is provided at the junction of the top wall 12 of the base and the inner wall 13 of the base.

[0056] In practical implementation, the limiting structure 14 can be designed as a flange, groove, or other form to match the specific specifications and shape of the sleeve-like part 6 to be coated. When the sleeve-like part 6 is placed on the glue storage box 4 for coating, the limiting structure 14 can restrict the vertical movement distance of the part, ensuring accurate contact between the part and the glue 7 on the immersion surface 311, thereby ensuring precise coating dimensions. For example, the height of the flange structure can be precisely set according to the required coating height to ensure consistency in each coating. The limiting structure 14 can be made of wear-resistant and corrosion-resistant materials, such as stainless steel or hard plastic. For high-precision coating requirements, the surface of the limiting structure 14 can be polished to reduce friction with the part and avoid damaging the part surface. In addition, the limiting structure 14 can also be designed as adjustable, for example, by connecting to the top wall 12 or the inner wall 13 of the base via a threaded connection or slider structure, to achieve flexible adjustment of the coating dimensions.

[0057] In one specific embodiment of this utility model, the base plate 2 is threadedly connected to the outer wall 11 of the base.

[0058] In practical implementation, the base plate 2 and the outer wall 11 of the base can be connected in multiple ways. The bottom of the outer wall 11 of the base can have internal threads, and the outer edge of the base plate 2 can have external threads, with the outer wall 11 of the base fitting over the outer edge of the base plate 2; alternatively, the outer edge of the base plate 2 can have internal threads, and the bottom of the outer wall 11 of the base can have external threads, with the base plate 2 fitting over the outer edge of the outer wall 11 of the base; screw connections can also be used. When using threaded connections, the appropriate thread specification can be selected based on the load-bearing capacity of the device and the operating environment. In environments with a risk of corrosion, stainless steel threaded connectors can be used, and the threads can be treated with anti-corrosion coating. Threaded connections provide stable connection strength and facilitate the assembly and disassembly of the device. When it is necessary to replace the adhesive or maintain the device, the operation can be performed by unscrewing or tightening the threads. In addition to threaded connections, snap-fit ​​connections, magnetic connections, and other detachable connection methods can also be used to meet the needs of different scenarios. If the base plate 2 and the outer wall 11 of the base are designed as an integrated unit or fixedly connected, adhesive can be poured in from above the device, simplifying the operation process.

[0059] In one specific embodiment of this utility model, a recessed groove 21 is provided in the middle of the base plate 2, and the bottom of the elastic connector 5 is embedded in the recessed groove 21.

[0060] In practical implementation, a recessed groove 21 is provided in the middle of the base plate 2 for embedding the elastic connector 5. The shape of the recessed groove 21 can be circular, polygonal, or other shapes, and the number can be determined according to actual needs, either one or more. The recessed groove 21 enables the elastic connector 5 to be stably installed on the base plate 2, ensuring that it provides a uniform and stable elastic force to the glue storage box 4. At the same time, the recessed groove 21 can limit and protect the elastic connector 5, preventing it from shifting or being damaged during operation, extending the service life of the elastic connector 5, and ensuring the normal operation of the glue application device. The depth of the recessed groove 21 can be determined according to the compression amount of the elastic connector 5 and the installation requirements. The edges of the recessed groove 21 can be rounded to avoid stress concentration. In addition, rubber pads or cushioning materials can be placed in the recessed groove 21 to further enhance the protection and shock absorption effect of the elastic connector 5.

[0061] In one specific embodiment of this utility model, the elastic connecting member 5 is a compression spring.

[0062] In practical implementation, the elastic connector 5 can be a compression spring. Compression springs have good elastic properties and can provide a large elastic force within a small deformation range, ensuring a tight fit between the glue storage box 4 and the base 1 and smooth movement. Compression springs are easy to install and replace, reducing maintenance costs. Besides compression springs, various other types of elastic connectors 5, such as leaf springs, torsion springs, rubber, and air springs, can also be selected. When selecting the elastic connector 5, its fatigue life must be considered. For frequently used glue application equipment, elastic elements with long fatigue lives can be selected. Furthermore, different types of elastic connectors 5 can be combined to achieve more complex elastic characteristics. For example, in glue application processes with high requirements for elastic force variation, compression springs and rubber elastomers can be used in combination.

[0063] In one specific embodiment of this utility model, the immersion plate 3 is further provided with a secondary through hole 32, which is disposed between the main through hole 31 and the outer edge of the immersion plate 3.

[0064] In practical implementation, the secondary through-hole 32 can be designed as a circular hole or a fan-shaped annular hole. The secondary through-hole 32 facilitates the even distribution of some of the adhesive 7 onto the surface of the immersion plate 3, resulting in more uniform adhesive application when the sleeve-like part 6 approaches the immersion surface 311. Simultaneously, the secondary through-hole 32 helps balance the air pressure on both sides of the immersion plate 3, preventing air bubbles or adhesive 7 accumulation and improving the adhesive application quality. The size and number of secondary through-holes 32 can be designed according to the working flow rate and adhesive application accuracy requirements of the adhesive application device. For high-flow-rate adhesive application needs, the diameter of the secondary through-holes 32 can be increased or the number can be increased. The position of the secondary through-holes 32 can be adjusted according to the shape of the sleeve-like part 6 and the adhesive application area.

[0065] In one specific embodiment of this utility model, the upper edges of the main through hole 31 and / or the secondary through hole 32 are chamfered.

[0066] In practice, chamfering can take the form of straight chamfers or rounded chamfers. Chamfering allows the sleeve-type parts 6 to contact the immersion plate 3 more smoothly, avoiding collisions or jamming during installation. At the same time, chamfering reduces the accumulation of adhesive 7 on the upper edge of the through hole, allowing the adhesive 7 to be more evenly distributed on the immersion surface 311, improving the quality of adhesive application. The immersion plate 3 and the inner wall 13 of the base can be integrally formed or connected by threaded connections, snap-fit ​​connections, or other detachable methods, facilitating the replacement of immersion plates 3 with main through holes 31 / secondary through holes 32 of different sizes, specifications, and shapes.

[0067] In one specific embodiment of this utility model, a guide protrusion 411 is provided on the outer side of the outer wall 41 of the glue storage box, and the guide protrusion 411 is slidably connected to the inner side of the outer wall 11 of the base.

[0068] In practical implementation, the guide protrusion 411 can be designed as an annular protrusion. The number and position of the guide protrusion 411 can be adjusted according to the shape and movement requirements of the glue storage box 4. For example, the number can be set to two, one in the middle and one at the bottom of the outer wall 41 of the glue storage box. The guide protrusion 411 can ensure that the glue storage box 4 moves vertically up and down within the base 1, preventing tilting or jamming. At the same time, by avoiding large-area contact between the outer wall 41 of the glue storage box and the outer wall 11 of the base, it can effectively reduce sliding friction, making the movement of the glue storage box 4 smoother and achieving fast and uniform glue application. The annular protrusion can fit tightly against the inner wall 13 of the base, playing a guiding and stabilizing role when the glue storage box 4 moves. The height and width of the annular protrusion can be designed according to the weight and size of the glue storage box 4. For heavier glue storage boxes 4, the height and width of the protrusion can be appropriately increased to better ensure the guiding and stabilizing effect. Lubricant can also be applied to the surface of the annular protrusion to further reduce the coefficient of friction and improve the smoothness of the lifting and lowering of the glue storage box 4.

[0069] In one specific embodiment of the present invention, the positioning head 431 includes an insertion section 4311 and a protrusion section 4312 connected vertically. The outer diameter of the insertion section 4311 gradually decreases from bottom to top. The bottom inner diameter of the sleeve part 6 is smaller than the top outer diameter of the protrusion section 4312 and not smaller than the bottom outer diameter of the insertion section 4311.

[0070] In practice, the outer diameter of the insertion section 4311 gradually decreases from bottom to top, facilitating insertion into the bottom of the sleeve part 6. The outer diameter of the top of the protruding section 4312 is larger than the inner diameter of the bottom of the sleeve part 6, serving as a limiting factor to prevent excessive downward pressure on the sleeve part 6. During adhesive application, the sleeve part 6 is fitted onto the positioning head 431. The insertion section 4311 guides the sleeve part 6 into accurate position, while the protruding section 4312 restricts the downward movement of the sleeve part 6, precisely controlling the distance between the adhesive-coated surface and the immersion surface 311 of the sleeve part 6, thus achieving uniform adhesive application.

[0071] More specifically, the materials of the base 1, the immersion plate 3, and the adhesive storage box 4 in this invention can be selected according to the chemical properties of the sealant 7. For example, when in contact with a certain degree of corrosiveness of the sealant 7, corrosion-resistant stainless steel or engineering plastic materials can be selected. In addition to selecting the materials of the base 1, the immersion plate 3, and the adhesive storage box 4 according to the chemical properties of the sealant 7, special coatings can also be added to the surface of these components. For example, for materials that are prone to sticking to the sealant 7, an anti-stick coating can be applied to facilitate the cleaning of residual sealant 7, reduce waste of sealant 7, and reduce equipment maintenance costs; for production environments with anti-static requirements, a coating with anti-static function can be used to prevent static electricity from attracting dust and affecting the quality of the adhesive application.

[0072] Sharp right angles should be avoided as much as possible on the inside of the glue storage box 4. Instead, rounded corners or chamfers with a large radius should be used. Right angles easily create dead corners where glue 7 can accumulate, making them difficult to clean. Rounded corners or chamfers allow the glue 7 to slide off naturally under gravity, reducing residue. For example, designing right angles as rounded corners with a radius of 5-10 mm significantly improves the flowability of the glue 7, making it easier for cleaning agents and tools to reach all parts during cleaning. Special surface treatments can also be applied to the inner wall of the glue storage box 4 to reduce the adhesion between the glue 7 and the inner wall. For example, a chemical coating treatment can be used, applying a non-stick coating, such as a Teflon coating, to the inner wall of the glue storage box 4. Teflon has an extremely low coefficient of surface friction and non-stick properties, effectively preventing glue 7 from adhering and making cleaning easier. Polishing the inner wall can also be used to make the surface smooth and flat, reducing the possibility of glue 7 residue. The bottom of the glue storage box 4 can be designed with a certain angle, such as 5 to 15 degrees. The angle of inclination can be determined according to the viscosity and fluidity of the glue 7. In this way, during cleaning, the glue 7 can naturally flow to the lower end under the action of gravity, making it easier to collect and clean. A drain hole can also be set at a lower position on the bottom wall 42 of the glue storage box. Opening the drain hole during cleaning can easily drain the residual glue 7 and improve cleaning efficiency.

[0073] Regarding the sealant 7 involved in this utility model, it can be any type of sealant selected according to actual application requirements, such as silicone rubber sealant, polyurethane sealant, epoxy resin sealant, acrylic sealant, anaerobic sealant, etc. When selecting the sealant 7, its compatibility with the sleeve parts 6 and mating materials must be considered. Some sealants 7 may be corrosive to certain plastics or metals, or have poor adhesion to them. Therefore, sufficient compatibility testing is required during the material selection stage to ensure that the sealant 7 will not damage the parts and can provide a good sealing effect.

[0074] This utility model device is suitable for coating various sealant liquids 7, and its design flexibility allows users to select the appropriate sealant liquid 7 according to specific needs. The device's structural features, such as the design of the main through-hole 31 and secondary through-hole 32 of the immersion plate 3, the stable support of the elastic connector 5, and the precise guidance of the positioning protrusion 43, ensure uniform distribution of the sealant liquid 7 during the coating process, improving coating quality and efficiency. Simultaneously, the modular design of the device allows it to adapt to sealant liquids 7 with different characteristics; for example, by changing the immersion plate 3 or adjusting the parameters of the sealant storage box 4, the coating requirements of different sealant liquids 7 can be met. This flexibility and adaptability greatly enhances the practicality of this utility model in various industrial fields, enabling its widespread application in industries such as machinery manufacturing, automotive, electronics, and construction, providing a reliable solution for the coating needs of various types of parts 6.

[0075] In summary, this utility model can be used for assembling sleeve-type parts. Through its innovative structural design, it can solve the problems of uneven glue application, glue waste, and low efficiency in traditional glue application methods for sleeve-type parts, and has significant practical value and broad application prospects.

[0076] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A device for applying adhesive to sleeve-type parts, characterized in that: It includes a base (1), a bottom plate (2), an immersion plate (3), a glue storage box (4), and an elastic connector (5); The base (1) includes an outer wall (11), a top wall (12), and an inner wall (13). The bottom of the outer wall (11) is connected to the base plate (2). The top of the outer wall (11) is connected to the top of the inner wall (13) through the top wall (12). The bottom of the inner wall (13) is connected to the outer edge of the immersion plate (3). The immersion plate (3) has a main through hole (31) in the middle. The hole wall of the main through hole (31) is the immersion surface (311). The glue storage box (4) is embedded in the cavity formed by the base (1). The glue storage box (4) includes an outer wall (41), a bottom wall (42), and a positioning protrusion (43). The bottom of the outer wall (41) is connected to the outer edge of the bottom wall (42). The positioning protrusion (43) is connected above the middle part of the bottom wall (42) and passes through the main through hole (31). The top of the positioning protrusion (43) is provided with a positioning head (431) for restricting the lateral movement of the sleeve part (6). The bottom of the glue storage box bottom wall (42) is connected to the top of the base plate (2) through the elastic connector (5), so that the glue storage box outer wall (41) can move up and down in the cavity formed by the base (1), and the positioning protrusion (43) can move up and down in the main through hole (31).

2. The adhesive applicator for sleeve-type parts according to claim 1, characterized in that: The upper part of the outer wall (11) of the base is provided with an outer groove (111), and the inner wall (13) of the base is provided with an inner groove (131). The inner groove (131) communicates with the outer groove (111).

3. The adhesive applicator for sleeve-type parts according to claim 1 or 2, characterized in that: The connection between the top wall (12) of the base and the inner wall (13) of the base is provided with a limiting structure (14) for restricting the vertical movement of the sleeve part (6).

4. The adhesive applicator for sleeve-type parts according to claim 1, characterized in that: The base plate (2) is threadedly connected to the outer wall (11) of the base.

5. The adhesive applicator for sleeve-type parts according to claim 1, characterized in that: The bottom plate (2) has a recessed groove (21) in the middle, and the bottom of the elastic connector (5) is embedded in the recessed groove (21).

6. The adhesive applicator for sleeve-type parts according to any one of claims 1, 4, or 5, characterized in that: The elastic connector (5) is a compression spring.

7. The adhesive applicator for sleeve-type parts according to claim 1, characterized in that: The immersion plate (3) is also provided with a secondary through hole (32), which is located between the main through hole (31) and the outer edge of the immersion plate (3).

8. The adhesive applicator for sleeve-type parts according to claim 7, characterized in that: The upper edges of the main through hole (31) and / or the secondary through hole (32) are chamfered.

9. The adhesive applicator for sleeve-type parts according to claim 1, characterized in that: The outer side of the outer wall (41) of the glue storage box is provided with a guide protrusion (411), and the guide protrusion (411) is slidably connected to the inner side of the outer wall (11) of the base.

10. The adhesive applicator for sleeve-type parts according to claim 1, characterized in that: The positioning head (431) includes an insertion section (4311) and a protrusion section (4312) connected vertically. The outer diameter of the insertion section (4311) gradually decreases from bottom to top. The bottom inner diameter of the sleeve part (6) is smaller than the top outer diameter of the protrusion section (4312) and not smaller than the bottom outer diameter of the insertion section (4311).