Glue brushing machine for round pipe

The glue application method of the round pipe glue application machine simplifies the glue application control, and achieves fast, low failure rate and low cost glue application on the outer wall of pipe fittings, solving the problems of high control difficulty, slow speed and high failure rate of existing glue application devices.

CN224157139UActive Publication Date: 2026-04-24CHONGQING CAIXIN IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING CAIXIN IND CO LTD
Filing Date
2025-05-26
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing adhesive application devices suffer from problems such as high control difficulty, slow speed, high failure rate, and high cost when applying adhesive to the outer wall of pipe fittings.

Method used

A round tube glue application machine is adopted. By cooperating the glue application head with the round tube plug, the tube to be glued is rotated by the rotation power component, so as to achieve uniform application of adhesive. The control system is simplified and the glue application method replaces the traditional circumferential glue application.

Benefits of technology

It simplifies the glue application process, reduces the difficulty of applying glue, increases speed, and reduces failure rate and cost.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224157139U_ABST
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Abstract

The utility model discloses a round tube glue brushing machine which comprises a base, a tube inserting rotating part and a glue supplying part, the tube inserting rotating part is assembled on the base in a rotating mode, a round tube inserting head is fixedly arranged on the tube inserting rotating part, and the tube inserting rotating part is further provided with a rotating power component. And a glue brushing head is arranged on the glue supply part, and faces and is close to the circular tube plug. The gluing device has the advantages that the gluing head used for gluing is attached to the outer wall of the pipe fitting to be glued and keeps still during gluing, and gluing can be completed by rotating the pipe fitting to be glued for a circle. Complicated and accurate control systems and structures do not need to be matched, the glue brushing difficulty is small, the glue brushing speed is high, the fault rate is low, and the cost is low.
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Description

Technical Field

[0001] This utility model relates to the field of mechanical engineering, specifically to an adhesive application device. Background Technology

[0002] Aluminum / magnesium alloy die castings offer advantages such as lightweight and high strength, and are widely used in industries such as automotive parts. After machining, aluminum / magnesium alloy die castings generally need to be assembled with other components to form a usable product.

[0003] In some aluminum / magnesium alloy die-casting products, they need to be assembled with various pipe fittings. For example, the die-casting of the electrical control box of an automotive battery pack contains water-cooled channels for cooling various electronic control components, and the die-casting of the electrical control box also has inlet and outlet ports for the water-cooled channels. After the die-casting of the electrical control box is completed, inlet and outlet water pipe connectors need to be inserted into the inlet and outlet ports of the water-cooled channels to facilitate piping connection with the cooling water circulation system. Another example is the die-casting of a water pump base, which has inlet and outlet water holes. After the die-casting of the water pump base is completed, inlet and outlet water pipes need to be installed into the inlet and outlet water holes to ensure that it can be connected to the water supply and drainage system.

[0004] To ensure the stability and sealing of the connection between the pipe fitting and the corresponding orifice on the die-cast part, the workshop needs to apply adhesive to the contact area of ​​the pipe fitting and / or the corresponding orifice before assembly. The adhesive can be applied to the inner wall of the orifice or the outer wall of the pipe fitting. For applying adhesive to the outer wall of the pipe fitting, the existing technology uses a design where the dispensing part of the adhesive applicator is a long, thin needle-like tube. The adhesive is squeezed into a thin strip, and then the adhesive strip is "wound" onto the outer wall of the pipe fitting by controlling the circumferential movement of the dispensing part. This method of directly controlling the circumferential movement of the adhesive has disadvantages such as difficulty in control, slow application speed, high failure rate, and high cost. Utility Model Content

[0005] To simplify and expedite the application of adhesive to the outer wall of a circular tube, this invention provides a structure for applying adhesive to the outer wall of a circular tube via brushing. The main technical solution adopted is as follows:

[0006] A round tube glue application machine, the key features of which are: a base, a tube insertion rotating part and a glue supply part, wherein the tube insertion rotating part is rotatably mounted on the base, a round tube plug is fixedly disposed on the tube insertion rotating part, and the tube insertion rotating part is also provided with a rotation power component;

[0007] The glue supply section is equipped with a glue brush head, which faces and is close to the round tube plug.

[0008] Using the above method, the fitting to be coated can be directly inserted into the round tube plug. The glue supply part outputs the adhesive to the brush head. The brush head is configured to contact the part of the fitting to be coated on the outer wall. The brush head remains stationary. As the fitting rotates one revolution with the round tube plug, the adhesive is evenly brushed onto the outer wall of the fitting.

[0009] This glue application method does not require controlling the glue dispensing point, thus eliminating the need for complex and precise control systems and structures. It is easy to apply glue, fast to apply glue, has a low failure rate, and is low in cost. Attached Figure Description

[0010] Figure 1 This is a three-dimensional structural diagram of a round tube glue application machine from a first-view perspective.

[0011] Figure 2 This is a three-dimensional structural diagram of a round tube glue application machine from a second perspective.

[0012] Figure 3 This is a schematic diagram showing the fit between the glue applicator 5 and the fitting x to be glued. Detailed Implementation

[0013] The present invention will be further described below with reference to the embodiments and accompanying drawings.

[0014] like Figure 1 , Figure 2 and Figure 3 As shown, a round tube glue applicator includes a base 1, a tube insertion and rotating part 2, a glue supply part 3, a round tube plug 4, a glue applicator head 5, a rotating power component 6, a glue head sliding assembly, and a glue drip tray 9.

[0015] The base 1 is a vertically arranged support plate, and the round tube plug 4 and the rotating power component 6 are located on both sides of the support plate.

[0016] The insertion tube rotating part 2 is rotatably mounted on the base 1. A round tube plug 4 is fixedly arranged on the insertion tube rotating part 2. The insertion tube rotating part 2 is also equipped with a rotation power component 6. A glue brush head 5 is arranged on the glue supply part 3. The glue brush head 5 faces and is close to the round tube plug 4.

[0017] Specifically: the insertion tube rotating part 2 is an insertion tube rotating shaft, the insertion tube rotating shaft is horizontally set, the insertion tube rotating shaft passes through the support plate, the insertion tube rotating shaft is mounted on the base 1 through bearings, one end of the insertion tube rotating shaft is connected to the round tube plug 4, and the other end of the insertion tube rotating shaft is connected to the rotating power component 6 for transmission.

[0018] A more specific embodiment is as follows: the cylindrical plug 4 is cylindrical, and the diameter of the cylindrical plug 4 is smaller than the diameter of the insertion shaft. The cylindrical plug 4 is located on the end face of the insertion shaft, and at least one rubber ring is fitted onto the cylindrical plug 4. The diameter of the cylindrical plug 4 is smaller than the inner diameter of the tube to be coated x, and the outer diameter of the rubber ring is slightly larger than the inner diameter of the tube to be coated x (preferably: outer diameter of the rubber ring - inner diameter of the tube to be coated x = 1-2 mm). The tube to be coated x is inserted into the cylindrical plug 4 and abuts against the end face of the insertion shaft. The inner wall of the tube to be coated x is pressed against the rubber ring. Preferably, there are 2-3 rubber rings, and all the rubber rings are distributed along the axial direction of the cylindrical plug 4.

[0019] For round pipe plugs 4 with different diameters within a certain size range, they can also be adapted by replacing the rubber rings of different sizes.

[0020] The rotating power component 6 can be a low-speed motor assembly, preferably a geared motor assembly, and the output speed of the rotating power component 6 can be 40-80 r / min.

[0021] A specific structure of the glue supply unit 3 may be: the glue supply unit 3 includes a glue cylinder 31, a piston 32, a glue outlet 33 and a pushing assembly 34;

[0022] The glue tube 31 has a cylindrical structure and is used to hold adhesive. The glue tube 31 is vertically arranged and is located on the base 1. The glue tube 31 is located above the round tube plug 4. The piston 32 is assembled inside the glue tube 31 and can reciprocate along the glue tube 31. The glue tube 31 below the piston 32 is filled with adhesive.

[0023] The lower end of the glue tube 31 is connected to the glue outlet 33, which communicates with the inside of the glue tube 31. The glue brush head 5 is fixedly disposed on the glue outlet 33, with the free end of the glue brush head 5 facing downward. The glue brush head 5 is preferably the tip of a calligraphy brush. The upper end of the glue tube 31 is connected to the pushing assembly 34, which acts on the piston 32 to move it. Specifically, the piston 32 is pushed downward, causing the adhesive to be squeezed out from the glue outlet 33, and the adhesive penetrates to its surface along the internal gaps of the calligraphy brush head.

[0024] When the rotating power component 6 rotates, the insert rotating part 2, the round tube plug 4, and the tube to be coated x rotate synchronously together, so that the brush head can contact the outer wall of the tube to be coated x to quickly apply glue.

[0025] The pushing assembly 34 can be a pneumatic telescopic assembly or an electric telescopic assembly. The specific structures of pneumatic and electric telescopic assemblies are extensively described in the prior art, and will not be elaborated here. Another structure of the pushing assembly 34 can be a high-pressure air supply assembly, which supplies high-pressure gas to the rubber cylinder 31 through a pipeline to push the piston 32 to move.

[0026] The sliding assembly of the rubber head includes a slide rail assembly 7 and a sliding telescopic cylinder 8. The rubber cylinder 31 is slidably mounted on the base 1 via the slide rail assembly 7; the fixing part of the slide rail assembly 7 is fixedly mounted on the base 1, the rubber cylinder 31 is fixed on the sliding part of the slide rail assembly 7, and the sliding part of the slide rail assembly 7 is also equipped with a sliding telescopic cylinder 8. The cylinder of the sliding telescopic cylinder 8 is fixed to the base 1, the piston rod of the sliding telescopic cylinder 8 is parallel to the sliding direction of the slide rail assembly 7, and the piston rod of the sliding telescopic cylinder 8 is fixedly connected to the sliding part of the slide rail assembly 7.

[0027] The glue brush head 5 slides along with the glue tube 31, thereby moving closer to or further away from the round tube plug 4.

[0028] In order to collect the glue dripping from the glue brush head 5, a glue drip tray 9 is also arranged below the round tube plug 4.

[0029] Figure 1 , Figure 2 The first and second perspectives shown do not refer to two specific fixed viewpoints, but rather to two relatively different viewpoints.

[0030] Beneficial effects: Using this glue-applying machine, the brush head remains stationary against the outer wall of the fitting during application, and the glue application is completed with one full rotation of the fitting. It eliminates the need for complex and precise control systems and structures, resulting in easier glue application, faster speed, lower failure rate, and lower cost.

[0031] Finally, it should be noted that the above description is merely a preferred embodiment of the present utility model. Those skilled in the art, under the guidance of the present utility model, can make various similar representations without departing from the spirit and claims of the present utility model, and such modifications all fall within the protection scope of the present utility model.

Claims

1. A round tube glue application machine, characterized in that: It includes a base (1), a cannula rotating part (2) and a glue supply part (3). The cannula rotating part (2) is rotatably mounted on the base (1). A round tube plug (4) is fixedly arranged on the cannula rotating part (2). The cannula rotating part (2) is also equipped with a rotation power component (6). The glue supply part (3) is provided with a glue brush head (5), which faces and is close to the round tube plug (4).

2. The round tube glue application machine according to claim 1, characterized in that: The insertion tube rotating part (2) is an insertion tube rotating shaft. The insertion tube rotating shaft is set horizontally and is mounted on the base (1) through a bearing. One end of the insertion tube rotating shaft is connected to the round tube plug (4), and the other end of the insertion tube rotating shaft is connected to the rotating power component (6) for transmission.

3. The round tube gluing machine according to claim 2, characterized in that: The round tube plug (4) is cylindrical, and the diameter of the round tube plug (4) is smaller than the diameter of the insertion tube shaft. The round tube plug (4) is located on the end face of the insertion tube shaft, and at least one rubber ring is also fitted on the round tube plug (4).

4. The round tube gluing machine according to claim 2 or 3, characterized in that: The base (1) is a vertically arranged support plate, the insertion tube shaft passes through the support plate, and the round tube plug (4) and the rotating power component (6) are located on both sides of the support plate.

5. The round tube gluing machine according to claim 1, 2 or 3, characterized in that: The rotary power component (6) is a low-speed motor assembly.

6. The round tube glue application machine according to claim 1, 2 or 3, characterized in that: The glue supply unit (3) includes a glue cylinder (31), a piston (32), a glue outlet (33), and a pushing assembly (34); The rubber tube (31) is arranged vertically and is located on the base (1). The rubber tube (31) is located above the round tube plug (4). The piston (32) is located inside the rubber tube (31). The lower end of the glue cylinder (31) is connected to the glue outlet (33), which communicates with the inside of the glue cylinder (31). The glue brush head (5) is disposed on the glue outlet (33), with the free end of the glue brush head (5) facing downward. The upper end of the glue cylinder (31) is connected to the push assembly (34), which acts on the piston (32) to move it.

7. The round tube glue application machine according to claim 6, characterized in that: The pushing assembly (34) is a high-pressure air supply assembly that supplies air into the rubber cylinder (31) to push the piston (32) to move.

8. The round tube gluing machine according to claim 6, characterized in that: The rubber tube (31) is slidably mounted on the base (1) via the slide rail assembly (7); The fixing part of the slide rail assembly (7) is fixedly mounted on the base (1), the rubber tube (31) is fixed on the sliding part of the slide rail assembly (7), and the sliding part of the slide rail assembly (7) is also equipped with a sliding telescopic cylinder (8). The cylinder of the sliding telescopic cylinder (8) is fixed to the base (1), the piston rod of the sliding telescopic cylinder (8) is parallel to the sliding direction of the slide rail assembly (7), and the piston rod of the sliding telescopic cylinder (8) is fixedly connected to the sliding part of the slide rail assembly (7). The brush head (5) slides along the glue tube (31), thereby moving closer to or further away from the round tube plug (4).

9. The round tube gluing machine according to claim 1, characterized in that: The brush head (5) is a calligraphy brush head.

10. The round tube gluing machine according to claim 1, characterized in that: A glue tray (9) is also arranged below the round tube plug (4).