Coating glue anti-blocking infusion pump

Abstract

The invention discloses a coating glue anti-blocking infusion pump which comprises an infusion pump body, a solvent box and a compressed air supply system, the infusion pump body is provided with an input pipe and an output pipe, the input end of the infusion pump body is rotatably provided with a pump shaft, the outer side of the pump shaft is sleeved with a bearing ring, the pump shaft is connected with a driving motor, and the driving motor is connected with the solvent box. The bearing ring is connected with a liquid inlet pipeline and a liquid return pipeline, a solvent for coating glue is stored in the solvent box, the liquid outlet end of the solvent box is connected with the liquid inlet pipeline, the liquid return end of the solvent box is connected with the liquid return pipeline, and the air inlet end of the solvent box is connected with a compressed air supply system. The solvent is pressurized through compressed air, and then the solvent with pressure is conveyed into the containing cavity in the bearing ring, so that the bearing ring generates positive pressure, glue conveyed by the infusion pump is prevented from permeating into the bearing ring, the bearing ring is protected, and the service life of the bearing ring is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of liquid pumps, in particular to the technical field of glue-coated anti-clogging liquid pumps. Background Art

[0002] When applying glue, the glue needs to be transported by a liquid pump. When the existing liquid pump is in use, the glue will penetrate into the bearing of the liquid pump. After the glue inside the bearing solidifies, the bearing will not be able to rotate, causing the liquid pump to be scrapped. Summary of the invention

[0003] The purpose of the present invention is to solve the problems in the prior art and to provide a glue coating anti-clogging liquid pump that can solve the above problems.

[0004] To achieve the above-mentioned purpose, the present invention proposes a liquid pump for coating glue to prevent clogging, including a liquid pump body, a solvent tank and a compressed air supply system, the liquid pump body is provided with an input pipe and an output pipe, the input end of the liquid pump body is rotatably mounted with a pump shaft, the outer side of the pump shaft is sleeved with a bearing ring, the pump shaft is connected to a driving motor, the bearing ring is connected to a liquid inlet pipe and a liquid return pipe, the solvent tank stores solvent for coating glue, the liquid outlet end of the solvent tank is connected to the liquid inlet pipe, the liquid return end of the solvent tank is connected to the liquid return pipe, and the air inlet end of the solvent tank is connected to the compressed air supply system.

[0005] Preferably, the bearing ring includes an inner ring and an outer ring, a accommodating chamber is provided between the inner ring and the outer ring, a steel ball roller group is provided in the accommodating chamber, the pump shaft is connected to the inner ring, the liquid inlet pipe and the liquid return pipe are respectively connected to the accommodating chamber, and the solvent circulates between the accommodating chamber and the solvent tank.

[0006] Preferably, the liquid outlet of the solvent box is located at the bottom of the solvent box, the top of the solvent box is connected to the air pipe of the compressed air supply system, and the liquid return end of the solvent box is located at the side of the solvent box.

[0007] Preferably, a transparent liquid level observation tube is provided on the side of the solvent tank, and a pressure gauge is provided on the top of the solvent tank.

[0008] Preferably, the accommodating chamber includes an inner chamber and an outer chamber, the inner chamber is arranged close to the inner ring, the outer chamber is arranged close to the outer ring, retaining rings are arranged on both sides of the bearing ring, and a protection box is arranged on the outer side of the bearing ring, and a liquid inlet pipe, a connecting pipe and a liquid return pipe are installed on the protection box, one end of the liquid inlet pipe is connected to the solvent box, and the other end is connected to the outer chamber, one end of the connecting pipe is connected to the outer chamber, and the other end is connected to the inner chamber, one end of the liquid return pipe is connected to the inner chamber, and the other end is connected to the solvent tank.

[0009] The two chambers blocked by the cage are connected through a connecting pipe to ensure the hydraulic pressure inside the bearing ring.

[0010] Preferably, the liquid pressure in the accommodating chamber is greater than the liquid pressure in the liquid pump body.

[0011] The beneficial effects of the present invention are as follows: the present invention pressurizes the solvent by compressed air, and then delivers the pressurized solvent to the accommodating cavity inside the bearing ring, so that the bearing ring generates positive pressure, thereby preventing the glue delivered by the liquid pump from penetrating into the interior of the bearing ring, protecting the bearing ring, and extending the service life of the bearing ring; the solvent acts as a diluent for the glue, and will not contaminate the glue when in contact with the glue.

[0012] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a side schematic diagram of the present invention; Figure 3 It is a schematic diagram of the installation of the bearing ring of the present invention; Figure 4 It is a schematic diagram of the bearing ring pipeline connection of the present invention.

[0014] In the figure: 1. liquid pump body; 2. solvent tank; 3. compressed air supply system; 4. pump shaft; 5. bearing ring; 6. liquid inlet pipe; 7. liquid return pipe; 8. connecting pipe; 9. protection box; 10. drive motor; 11. input pipe; 12. output pipe; 51. inner ring; 52. outer ring; 53. accommodating chamber; 531. inner chamber; 532. outer chamber; 54. retaining ring; 21. liquid level observation tube; 22. pressure gauge. DETAILED DESCRIPTION

[0015] See also Figure 1 , Figure 2 , Figure 3 and Figure 4A liquid pump for coating glue and preventing clogging, comprising a liquid pump body 1, a solvent tank 2 and a compressed air supply system 3, the liquid pump body 1 is provided with an input pipe 11 and an output pipe 12, the input end of the liquid pump body 1 is rotatably mounted with a pump shaft 4, the outer side of the pump shaft 4 is sleeved with a bearing ring 5, the pump shaft 4 is connected to a driving motor 10, the bearing ring 5 is connected to a liquid inlet pipe 6 and a liquid return pipe 7, the solvent tank 2 stores a solvent for coating glue, and the liquid outlet end of the solvent tank 2 is connected to the liquid inlet pipe 6 The liquid return end of the solvent tank 2 is connected to the liquid return pipe 7, and the air inlet end of the solvent tank 2 is connected to the compressed air supply system 3; the bearing ring 5 includes an inner ring 51 and an outer ring 52, and a receiving chamber 53 is provided between the inner ring 51 and the outer ring 52, and a steel ball roller group is provided in the receiving chamber 53, the pump shaft 4 is connected to the inner ring 51, and the liquid inlet pipe 6 and the liquid return pipe 7 are respectively connected to the receiving chamber 53, and the solvent circulates between the receiving chamber 53 and the solvent tank 2; the liquid outlet end of the solvent tank 2 is located at the solvent The bottom of the solvent box 2, the top of the solvent box 2 is connected to the air pipe of the compressed air supply system 3, and the return end of the solvent box 2 is located on the side of the solvent box 2; a transparent liquid level observation tube 21 is provided on the side of the solvent box 2, and a pressure gauge 22 is provided on the top of the solvent box 2; the accommodating chamber 53 includes an inner chamber 531 and an outer chamber 532, the inner chamber 531 is arranged close to the inner ring 51, and the outer chamber 532 is arranged close to the outer ring 52, and retaining rings 54 are provided on both sides of the bearing ring 5, and the bearing A protection box 9 is provided on the outside of the ring 5, and a liquid inlet pipe 6, a connecting pipe 8 and a liquid return pipe 7 are installed on the protection box 9. One end of the liquid inlet pipe 6 is connected to the solvent box 2, and the other end is connected to the outer chamber 532. One end of the connecting pipe 8 is connected to the outer chamber 532, and the other end is connected to the inner chamber 531. One end of the liquid return pipe 7 is connected to the inner chamber 531, and the other end is connected to the solvent box 2; the liquid pressure in the accommodating chamber 53 is greater than the liquid pressure in the liquid pump body 1.

[0016] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.

Claims

1. A glue coating anti-clogging pump, characterized in that: The invention comprises a liquid pump body (1), a solvent box (2) and a compressed air supply system (3). The liquid pump body (1) is provided with an input pipe (11) and an output pipe (12). A pump shaft (4) is rotatably mounted on the input end of the liquid pump body (1). A bearing ring (5) is sleeved on the outer side of the pump shaft (4). The pump shaft (4) is connected to a drive motor (10). A liquid inlet pipe (6) and a liquid return pipe (7) are connected to the bearing ring (5). A solvent for coating glue is stored in the solvent box (2). The liquid outlet end of the solvent box (2) is connected to the liquid inlet pipe (6). The liquid return end of the solvent box (2) is connected to the liquid return pipe (7). The air inlet end of the solvent box (2) is connected to the compressed air supply system (3).

2. The anti-clogging liquid pump for coating glue as claimed in claim 1, characterized in that: The bearing ring (5) comprises an inner ring (51) and an outer ring (52); a receiving chamber (53) is provided between the inner ring (51) and the outer ring (52); a steel ball roller group is provided in the receiving chamber (53); the pump shaft (4) is connected to the inner ring (51); the liquid inlet pipe (6) and the liquid return pipe (7) are respectively connected to the receiving chamber (53); and the solvent circulates between the receiving chamber (53) and the solvent tank (2).

3. The anti-clogging liquid pump for coating glue as claimed in claim 1, characterized in that: The liquid outlet end of the solvent box (2) is located at the bottom of the solvent box (2), the top of the solvent box (2) is connected to the air supply pipe of the compressed air supply system (3), and the liquid return end of the solvent box (2) is located on the side of the solvent box (2).

4. The anti-clogging liquid pump for coating glue as claimed in claim 1, characterized in that: A transparent liquid level observation tube (21) is provided on the side of the solvent box (2), and a pressure gauge (22) is provided on the top of the solvent box (2).

5. The anti-clogging liquid pump for coating glue as claimed in claim 1, characterized in that: The accommodating chamber (53) comprises an inner chamber (531) and an outer chamber (532), wherein the inner chamber (531) is arranged close to the inner ring (51), and the outer chamber (532) is arranged close to the outer ring (52). Securing rings (54) are arranged on both sides of the bearing ring (5), and a protection box (9) is arranged on the outer side of the bearing ring (5). A liquid inlet pipe (6), a connecting pipe (8) and a liquid return pipe (7) are installed on the protection box (9), wherein one end of the liquid inlet pipe (6) is connected to the solvent box (2), and the other end is connected to the outer chamber (532); one end of the connecting pipe (8) is connected to the outer chamber (532), and the other end is connected to the inner chamber (531); one end of the liquid return pipe (7) is connected to the inner chamber (531), and the other end is connected to the solvent box (2).

6. The anti-clogging liquid pump for coating glue as claimed in claim 1, characterized in that: The liquid pressure in the accommodating chamber (53) is greater than the liquid pressure in the liquid pump body (1).

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