Drip-proof single-component screw valve

Abstract

The utility model discloses a drip-proof one-component screw valve which comprises a dispensing assembly, the dispensing assembly comprises a driving motor, one side of the driving motor is connected with a transmission shaft, one end of the transmission shaft is provided with a coupler, one side of the driving motor is detachably provided with an installation shell, and the inner wall of the installation shell is detachably provided with a stator. A threaded rod is arranged on the inner wall of the stator and matched with the stator, one end of the threaded rod is connected to the coupler, a glue discharging opening is formed in the bottom end of the installation shell, a connector with threads is arranged at the bottom of the glue discharging opening, a glue dispensing head is detachably installed through the connector with the threads, a glue inlet is formed in one side of the installation shell, and a glue conveying pipe is arranged on one side of the glue inlet. A stirring assembly used for stirring glue liquid is arranged at one end of the glue conveying pipe and comprises a stirring bin, the stirring bin is arranged at one end of the glue conveying pipe, the glue conveying pipe is connected with the stirring bin, an adding opening is connected to the top of the stirring bin, and a rotating motor is arranged on the outer wall of the top of the stirring bin.

Description

Technical Field

[0001] The utility model relates to the technical field of screw valves, in particular to a drip-proof single-component screw valve. Background Art

[0002] The screw valve is a valve with simple structure, good sealing performance, and high temperature and pressure resistance. Its working principle is to control the flow of the medium through the rotation of the screw. Due to its good sealing performance and flow regulation characteristics, it has important applications in oil fields, chemical industry, metallurgy, electricity, pharmaceuticals and other fields. It is often used for dispensing glue when gluing various electronic components, automotive parts and other precision parts.

[0003] After searching, the Chinese patent application number 202123450342.8 discloses a high-precision single-component screw valve, including a servo motor, a rotor and a stator, the control unit is electrically connected to the servo motor; the rotor is in the shape of a straight rod, and the output end of the servo motor is connected to the rotor in a linear direction; the stator is in the shape of a sleeve, and the stator is arranged around the rotor; the rotor and the stator form a clearance fit, and a spiral channel is formed between the rotor and the stator; the shell is provided with a glue inlet and a glue outlet, the first end of the spiral channel is connected to the glue inlet, and the second end is arranged at the glue outlet, and the rotor pushes the material in the spiral channel to move toward the glue outlet when it rotates forward. A high-precision single-component screw valve in the above patent has the following shortcomings: the device is not provided with a stirring device to stir the glue liquid when the glue is fed in, and the glue liquid can be fully fused by stirring to prevent the generation or solidification of sediments and blockage during glue feeding. When the device is used, blockage is prone to occur, which has a certain impact on the processing efficiency. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a drip-proof single-component screw valve.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A drip-proof single-component screw valve comprises a glue dispensing assembly, wherein the glue dispensing assembly comprises a driving motor, a transmission shaft is connected to one side of the driving motor, a coupling is installed at one end of the transmission shaft, a mounting shell is detachably installed on one side of the driving motor, a stator is detachably installed on the inner wall of the mounting shell, a threaded rod is arranged on the inner wall of the stator, the threaded rod is adapted to the stator, one end of the threaded rod is connected to the coupling, a glue discharge port is installed at the bottom end of the mounting shell, a threaded interface is arranged at the bottom of the glue discharge port, a glue dispensing head is detachably installed through the threaded interface, a glue inlet is opened on one side of the mounting shell, a glue delivery hose is arranged on one side of the glue inlet, and a stirring assembly for stirring the glue liquid is arranged at one end of the glue delivery hose.

[0007] As a further solution of the utility model: the stirring assembly includes a stirring chamber, which is arranged at one end of the rubber delivery pipe, the rubber delivery pipe is connected to the stirring chamber, the top of the stirring chamber is connected with an addition port, the top outer wall of the stirring chamber is provided with a rotating motor, the bottom of the rotating motor is connected with a rotating shaft, one end of the rotating shaft can be rotatably connected in the stirring chamber, and one end of the rotating shaft is installed with a paddle, which is adapted to the stirring chamber.

[0008] As a further solution of the utility model: a fixing seat is provided on an outer wall of one side of the installation shell by means of bolts, and a plurality of groups of screw holes are evenly arranged on the fixing seat.

[0009] As a further solution of the utility model: a buffer pad is arranged on the outer wall of one side of the fixing seat, and the buffer pad is made of rubber material.

[0010] As a further solution of the utility model: a status light is connected to one side of the driving motor.

[0011] As a further solution of the utility model: a handle is fixedly provided on an outer wall of one side of the installation shell by bolts.

[0012] As a further solution of the utility model: a handle is fixedly provided on an outer wall of one side of the installation shell by bolts.

[0013] As a further solution of the utility model: a connecting flange is arranged at the top of the adding port, a slot is arranged at the top of the connecting flange, and a sealing gasket is installed through the slot.

[0014] The beneficial effects of the utility model are:

[0015] 1. The rotating motor is started to drive the paddles inside the mixing chamber to rotate and stir the glue liquid, which can make the glue liquid and raw materials blend more thoroughly. At the same time, it can avoid blockage caused by sedimentation and affect the processing efficiency due to blockage. Stirring can also prevent the glue liquid from solidifying.

[0016] 2. By setting a status light connected to the drive motor, different colors of lights can be switched according to the running status of the motor to facilitate observation of the running status of the motor, and when a motor fails, it can be discovered and repaired in time.

[0017] 3. By setting a connecting flange with a sealing gasket to reinforce the connection when connecting the pipeline for glue delivery, leakage caused by disconnection during glue delivery can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a drip-proof single-component screw valve from a main perspective proposed by the utility model;

[0019] Figure 2 This is a structural schematic diagram of the fixed part of a drip-proof single-component screw valve proposed by the utility model;

[0020] Figure 3 This is a structural schematic diagram of the delivery part of a drip-proof single-component screw valve proposed by the utility model;

[0021] Figure 4 The utility model discloses a structural schematic diagram of a stirring part of a drip-proof single-component screw valve.

[0022] In the figure: 1-driving motor, 2-status light, 3-fixed seat, 4-mounting shell, 5-glue discharge port, 6-glue dispensing head, 7-handle, 8-glue delivery hose, 9-mixing chamber, 10-adding port, 11-connecting flange, 12-sealing gasket, 13-rotating motor, 14-rotating shaft, 15-paddle, 16-buffer pad, 17-transmission shaft, 18-coupling, 19-threaded rod, 20-stator. DETAILED DESCRIPTION

[0023] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] Example 1

[0026] A drip-proof single-component screw valve, such as Figure 1-4 As shown, it includes a glue dispensing component, which includes a driving motor 1, a transmission shaft 17 is connected to one side of the driving motor 1, a coupling 18 is installed at one end of the transmission shaft 17, a mounting shell 4 is detachably installed on one side of the driving motor 1, a stator 20 is detachably installed on the inner wall of the mounting shell 4, a threaded rod 19 is arranged on the inner wall of the stator 20, the threaded rod 19 is adapted to the stator 20, one end of the threaded rod 19 is connected to the coupling 18, a glue discharge port 5 is installed at the bottom end of the mounting shell 4, a threaded interface is arranged at the bottom of the glue discharge port 5, a glue dispensing head 6 is detachably installed through the threaded interface, a glue inlet is opened on one side of the mounting shell 4, a glue delivery pipe 8 is arranged on one side of the glue inlet, and a stirring component for stirring the glue liquid is arranged at one end of the glue delivery pipe 8;

[0027] When in use, glue is supplied to the device through the glue delivery pipe 8, and the drive motor 1 is started to drive the transmission shaft 17 and the connected threaded rod 19 to rotate. The threaded rod 19 rotates in the stator 20 to transport the glue liquid. Different types of glue dispensing heads 6 can be replaced as needed. The glue liquid enters the glue discharge port 5 after being transported, and is discharged by the glue dispensing head 6 to dispense glue at the required position. After completion, the drive motor 1 controls the threaded rod 19 to reverse and generate a certain suction force, thereby sucking back the remaining glue at the end of the glue dispensing head 6 to avoid dripping. The glue output amount can be adjusted by adjusting the speed of the drive motor 1.

[0028] The stirring assembly includes a stirring chamber 9, which is arranged at one end of a rubber delivery pipe 8, the rubber delivery pipe 8 is connected to the stirring chamber 9, the top of the stirring chamber 9 is connected to a adding port 10, a rotating motor 13 is fixed to the outer wall of the top of the stirring chamber 9 by bolts, a rotating shaft 14 is connected to the bottom of the rotating motor 13, one end of the rotating shaft 14 is rotatably connected to the stirring chamber 9, and a paddle 15 is installed at one end of the rotating shaft 14, and the paddle 15 is adapted to the stirring chamber 9;

[0029] When in use, the adding port 10 is connected to the glue delivery pipeline, and the glue liquid is delivered to the stirring chamber 9 through the glue delivery pipeline. The stirring chamber 9 delivers the glue liquid through the glue delivery pipe 8 into the device for glue supply. The rotating motor 13 is started to drive the rotating shaft 14 and the paddle 15 to rotate. The paddle 15 arranged inside the stirring chamber 9 rotates to stir the glue liquid, so that the glue liquid is fully integrated while avoiding the generation of sediments to cause blockage, and at the same time avoiding the occurrence of glue liquid solidification;

[0030] To facilitate the fixing of the device, such as Figure 1 , 2 As shown, a fixing seat 3 is fixed to the outer wall of one side of the mounting shell 4 by bolts, and the fixing seat 3 has multiple groups of screw holes arranged evenly;

[0031] When in use, the screw hole of the fixing seat 3 is aligned with the bolt at the fixing position, and the nut is tightened to complete the installation and fixing of the device, which makes installation and disassembly more convenient and easy to maintain;

[0032] In order to make the fixation more firm, Figure 2 As shown, a buffer pad 16 is provided on the outer wall of one side of the fixing seat 3, and the buffer pad 16 is made of rubber material;

[0033] When in use, the rubber cushion 16 can fill the gap at the fixed position when the device is installed, so that the device is fixed firmly and avoids shaking after being fixed;

[0034] To display the running status, such as Figure 3 As shown, a status light 2 is connected to one side of the driving motor 1;

[0035] When in use, the status light 2 connected to the drive motor 1 can light up according to the operating state of the drive motor 1, and can switch lights of different colors according to different operating states, such as forward rotation, reverse rotation or shutdown, so that it is convenient to observe the operating condition of the device according to the light, and timely discover when there is a fault;

[0036] To facilitate the location of mobile devices, such as Figure 4 As shown, a handle 7 is fixed to the outer wall of one side of the mounting shell 4 by bolts;

[0037] When in use, the device can be moved by holding the handle 7, which makes it more convenient and accurate to adjust the position of the device, and reduces the situation where the device housing is easily offset when being directly grasped and moved;

[0038] In order to prevent the stator 20 from being damaged, Figure 4 As shown, the stator 20 is made of corrosion-resistant material;

[0039] When in use, by using a material with good corrosion resistance and wear resistance to make the stator 20, the service life can be increased to avoid the stator 20 being corroded or quickly worn and requiring replacement, thereby reducing the replacement cost and being compatible with more types of glue.

[0040] Example 2

[0041] In order to avoid leakage when adding glue, referring to the figure, a drip-proof single-component screw valve is provided. Compared with the embodiment 1, the present embodiment makes the following improvements: a connecting flange 11 is provided at the top of the adding port 10, a groove is provided at the top of the connecting flange 11, and a sealing gasket 12 is installed through the groove;

[0042] When in use, the addition port 10 is connected to the rubber delivery pipeline with the aid of the connecting flange 11, which can reinforce the connection to avoid leakage caused by disconnection during transportation. The gap in the connection is filled with a sealing gasket 12 to avoid leakage through the gap.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drip-proof single-component screw valve, comprising a dispensing assembly, characterized in that: The glue dispensing assembly comprises a driving motor (1), one side of the driving motor (1) is connected to a transmission shaft (17), one end of the transmission shaft (17) is mounted with a coupling (18), one side of the driving motor (1) is detachably mounted with a mounting shell (4), the inner wall of the mounting shell (4) is detachably mounted with a stator (20), the inner wall of the stator (20) is provided with a threaded rod (19), the threaded rod (19) is adapted to the stator (20), one end of the threaded rod (19) is connected to the coupling (18), a glue discharge port (5) is mounted at the bottom end of the mounting shell (4), a threaded interface is arranged at the bottom of the glue discharge port (5), a glue dispensing head (6) is detachably mounted via the threaded interface, a glue inlet is opened at one side of the mounting shell (4), a glue delivery pipe (8) is arranged at one side of the glue inlet, and a stirring assembly for stirring glue liquid is arranged at one end of the glue delivery pipe (8).

2. The anti-drip one-component screw valve according to claim 1, characterized in that: The stirring assembly comprises a stirring chamber (9), wherein the stirring chamber (9) is arranged at one end of a rubber delivery pipe (8), the rubber delivery pipe (8) is connected to the stirring chamber (9), the top of the stirring chamber (9) is connected to an addition port (10), a rotating motor (13) is arranged on the outer wall of the top of the stirring chamber (9), a rotating shaft (14) is connected to the bottom of the rotating motor (13), one end of the rotating shaft (14) is rotatably connected to the stirring chamber (9), and a paddle (15) is installed at one end of the rotating shaft (14), and the paddle (15) is adapted to the stirring chamber (9).

3. The anti-drip one-component screw valve according to claim 1, characterized in that: A fixing seat (3) is fixedly provided on an outer wall of one side of the installation shell (4) by means of bolts, and the fixing seat (3) has a plurality of groups of screw holes arranged evenly.

4. The anti-drip one-component screw valve according to claim 3, characterized in that: A buffer pad (16) is provided on an outer wall of one side of the fixing seat (3), and the buffer pad (16) is made of rubber material.

5. The anti-drip one-component screw valve according to claim 1, characterized in that: One side of the driving motor (1) is connected to a status light (2).

6. The anti-drip one-component screw valve according to claim 1, characterized in that: A handle (7) is fixed on one side outer wall of the installation shell (4) by bolts.

7. The anti-drip one-component screw valve according to claim 1, characterized in that: A handle (7) is fixed on one side outer wall of the installation shell (4) by bolts.

8. The anti-drip one-component screw valve according to claim 2, characterized in that: The top of the adding port (10) is provided with a connecting flange (11), the top of the connecting flange (11) is provided with a slot, and a sealing gasket (12) is installed through the slot.

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