Concentric plastic screw valve structure

Abstract

The utility model belongs to the technical field of concentric plastic screw valves, and particularly relates to a concentric plastic screw valve structure which comprises a valve body, a valve block is fixedly installed on the bottom face of the valve body, a micro pump is fixedly installed on the upper surface of the valve block, an input pipe is fixedly communicated with the interior of the micro pump, and a discharging bent pipe is fixedly communicated with the interior of the input pipe. A first pipe hole is formed in the valve block, a discharging bent pipe is fixedly installed on the inner wall of the first pipe hole, a second pipe hole is formed in the valve block, an input bent pipe is fixedly installed on the inner wall of the second pipe hole, and the valve body, the valve block, the micro pump, the input pipe, the discharging bent pipe, the first pipe hole, the second pipe hole, the input bent pipe, a three-way pipe, a circulating pipe, a discharging pipe and an output pipe are arranged. Cleaning liquid is added into the feeding pipe, then through communication of all pipelines, the effect of circularly cleaning the interior of the valve body can be achieved, the screw in the valve body is cleaned, and waste water and dispensing materials can be discharged through the discharging pipe after cleaning.

Description

TECHNICAL FIELD

[0001] The utility model belongs to concentric plastic screw valve technical field, concretely relates to a concentric plastic screw valve structure. BACKGROUND

[0002] The concentric plastic screw valve is one of screw valves, has its unique place in structure and performance, and the core feature of the concentric plastic screw valve is that the screw and the valve body adopt concentric arrangement mode, and this design makes the gap between the screw and the valve body uniform and consistent in the rotation process, can more accurately control the delivery of fluid, can adapt to various types of fluid, including low viscosity, medium viscosity, high viscosity glue, resin and lubricating oil etc., and is widely used in chip packaging, circuit board assembly and electronic component bonding process.

[0003] But the concentric plastic screw valve is inconvenient to clean the residual fluid, needs to be disassembled regularly to clean, so that the screw valve has the inconvenient problem of cleaning.

[0004] To solve the above problems, a concentric plastic screw valve structure is provided in the application. CONTENT OF THE UTILITY MODEL

[0005] To solve the above problems in the prior art, the utility model provides a concentric plastic screw valve structure, which has the characteristics of cleaning the screw valve without disassembling.

[0006] To achieve the above object, the utility model provides the following technical scheme: a concentric plastic screw valve structure, including the valve body, the bottom surface of the valve body is fixedly installed with the valve block, the upper surface of the valve block is fixedly installed with the micro pump, the inside of the micro pump is fixedly communicated with the input pipe, the inside of the input pipe is fixedly communicated with the discharge elbow pipe, the inside of the valve block is provided with the first pipe hole, the discharge elbow pipe is fixedly installed in the inner wall of the first pipe hole, the inside of the valve block is provided with the second pipe hole, the inner wall of the second pipe hole is fixedly installed with the input elbow pipe, the inside of the input elbow pipe is fixedly communicated with the three-way pipe, the inside of the three-way pipe is fixedly communicated with the circulation pipe, the inside of the circulation pipe is fixedly communicated with the discharge pipe, the inside of the discharge pipe is fixedly communicated with the output pipe, and the inside of the output pipe is fixedly communicated with the inside of the micro pump.

[0007] As a preferred technical scheme of the concentric plastic screw valve structure of the utility model, the outer surface of the valve body is clamped with the connecting frame, and the inside of the connecting frame is clamped with the glue dispensing needle cylinder.

[0008] As a kind of concentric plastic screw valve structure preferred technical scheme of the utility model, the inside fixed communication of three-way pipe has feed pipe, the inside fixed communication of feed pipe and the inside of valve block.

[0009] As a kind of concentric plastic screw valve structure preferred technical scheme of the utility model, the inside fixed communication of the point glue needle cylinder and the inside of feed pipe, the inside fixed communication of input elbow pipe has booster valve.

[0010] As a kind of concentric plastic screw valve structure preferred technical scheme of the utility model, the lower portion of point glue needle cylinder is provided with two shunt valves, the inside of each shunt valve is fixedly connected with the inside of three-way pipe.

[0011] As a kind of concentric plastic screw valve structure preferred technical scheme of the utility model, the front of valve block is provided with drainage groove, drainage groove is located directly below discharge pipe.

[0012] As a kind of concentric plastic screw valve structure preferred technical scheme of the utility model, the inner wall of micro pump is screw connected with two groups of disassembly bolt, the outer surface of each group of disassembly bolt is screw connected with the inner wall of valve block.

[0013] As a kind of concentric plastic screw valve structure preferred technical scheme of the utility model, the inside fixed communication of discharge pipe has control valve, control valve is located at the bottom end of discharge pipe.

[0014] Compared with prior art, the utility model has the advantages that by being provided with valve body, valve block, micro pump, input pipe, discharge elbow pipe, first pipe hole, second pipe hole, input elbow pipe, three-way pipe, circulating pipe, discharge pipe and output pipe, add cleaning liquid in feed pipe, pass through the communication between each pipe, can play the role of circulating cleaning valve body inside, carry out cleaning to screw inside valve body, and can clean waste water and glue dispensing material after discharge through discharge pipe, realize the purpose of conveniently cleaning screw inside screw valve, is favorable to cleaning without disassembling. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0016] Figure 1 It is the structure schematic view of the utility model whole;

[0017] Figure 2 It is the sectional view of valve body in the utility model;

[0018] Figure 3 It is the structure schematic view of input elbow pipe in the utility model;

[0019] Figure 4 It is the structural schematic view of the drain pipe in the utility model;

[0020] In the figure: 1, valve body; 2, valve block; 3, liquid discharge groove; 4, input elbow; 5, glue dispensing needle cylinder; 6, connecting frame; 7, second pipe hole; 8, first pipe hole; 9, tee pipe; 10, pressure increasing valve; 11, flow divider valve; 12, circulating pipe; 13, discharge elbow; 14, micro pump; 15, input pipe; 16, dismounting bolt; 17, drain pipe; 18, control valve; 19, output pipe; 20, feed pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. EMBODIMENT

[0022] Please refer to Figures 1-4 The utility model provides the following technical scheme: a concentric plastic screw valve structure, including valve body 1, the bottom surface fixed mounting of valve body 1 has valve block 2, the upper surface fixed mounting of valve block 2 has micro pump 14, the inside fixed communication of micro pump 14 has input pipe 15, the inside fixed communication of input pipe 15 has discharge elbow 13, the inside of valve block 2 is set with first pipe hole 8, and discharge elbow 13 is fixedly installed in the inner wall of first pipe hole 8, the inside of valve block 2 is set with second pipe hole 7, and the inner wall of second pipe hole 7 is fixedly installed with input elbow 4, the inside fixed communication of input elbow 4 has tee pipe 9, the inside fixed communication of tee pipe 9 has circulating pipe 12, the inside fixed communication of circulating pipe 12 has drain pipe 17, the inside fixed communication of drain pipe 17 has output pipe 19, and the inside of output pipe 19 is fixedly communicated with the inside of micro pump 14, in this embodiment, through micro pump 14, discharge elbow 13, input elbow 4 and circulating pipe 12 etc., liquid circulation can be carried out, and the circulation of liquid in valve body 1 and valve block 2 is utilized to facilitate cleaning screw rod etc.

[0023] Specifically, the outer surface of valve body 1 is clamped with connecting frame 6, and the inside of connecting frame 6 is clamped with glue dispensing needle cylinder 5, in this embodiment, connecting frame 6 is used to connect glue dispensing needle cylinder 5 and valve body 1, and glue dispensing needle cylinder 5 and valve body 1 are fixed, and glue dispensing needle cylinder 5 is used to store glue dispensing material, and cleaning liquid can be added in glue dispensing needle cylinder 5 during cleaning.

[0024] Specifically, the inside of the three-way pipe 9 is fixedly communicated with the feeding pipe 20, and the inside of the feeding pipe 20 is fixedly communicated with the inside of the valve block 2. In the embodiment, the dispensing material is delivered into the valve block 2 through the feeding pipe 20, and the cleaning liquid can also be added in the feeding pipe 20.

[0025] Specifically, the inside of the dispensing needle cylinder 5 is fixedly communicated with the inside of the feeding pipe 20, and the inside of the input elbow pipe 4 is fixedly communicated with the booster valve 10. In the embodiment, the flow speed of the cleaning liquid can be increased through the booster valve 10, and the strength of cleaning the residual material can be improved.

[0026] Specifically, the lower part of the dispensing needle cylinder 5 is provided with two shunt valves 11, and the inside of each shunt valve 11 is fixedly communicated with the inside of the three-way pipe 9. In the embodiment, the shunt valve 11 is used to control the direction of liquid discharge and the on-off of the liquid.

[0027] Specifically, the front surface of the valve block 2 is provided with the liquid discharge groove 3, and the liquid discharge groove 3 is located directly below the discharge pipe 17. In the embodiment, the discharge pipe 17 is used to discharge the waste liquid and the residual material, and the liquid discharge groove 3 can provide a discharge channel to prevent the waste liquid from being directly sprayed and discharged.

[0028] Specifically, the inner wall of the micro pump 14 is threadedly connected with two groups of dismounting bolts 16, and the outer surface of each group of dismounting bolts 16 is threadedly connected with the inner wall of the valve block 2. In the embodiment, the dismounting bolt 16 is used for the installation of the micro pump 14 and determines the use position of the micro pump 14.

[0029] Specifically, the inside of the discharge pipe 17 is fixedly communicated with the control valve 18, and the control valve 18 is located at the bottom end of the discharge pipe 17. In the embodiment, the control valve 18 is used to control the on-off of the discharge pipe 17 and to be opened according to the waste liquid discharge requirement.

[0030] The working principle and use process of the utility model: in the use process, corresponding dispensing material can be added to the dispensing needle cylinder 5, the dispensing material enters into the valve block 2 through the feed pipe 20, the dispensing material is supplied to the valve body 1 in the valve block 2, the valve body 1 delivers the dispensing material to the dispensing screw rod, when the residual material in the screw rod valve needs to be cleaned, cleaning liquid can be added to the dispensing needle cylinder 5, suitable cleaning liquid is selected according to the material property used, and the micro pump 14 is started, the micro pump 14 provides power for liquid circulation, opens the shunt valve 11 on the input elbow 4, the cleaning liquid can enter into the valve block 2 through the input elbow 4 and the feed pipe 20, along with the filling of the cleaning liquid in the valve body 1 and the valve block 2, and the micro pump 14 draws out the liquid through the input pipe 15, and then discharges through the output pipe 19, the cleaning liquid is circulated through the circulation pipe 12, the residual material in the screw rod valve is cleaned through the circulation of the cleaning liquid, after the cleaning liquid circulates for a suitable period, the control valve 18 can be opened, the discharge pipe 17 is opened, waste liquid and residual material are discharged through the discharge pipe 17, and the whole can be cleaned without disassembling the screw rod valve.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A concentric plastic screw valve structure, characterized by: The utility model provides a valve body (1), the bottom surface fixed mounting of valve body (1) has valve block (2), the upper surface fixed mounting of valve block (2) has micro pump (14), the inside fixed communication of micro pump (14) has input pipe (15), the inside fixed communication of input pipe (15) has discharge elbow (13), the inside of valve block (2) is set up first pipe hole (8), discharge elbow (13) fixed mounting is in the inner wall of first pipe hole (8), the inside of valve block (2) is set up second pipe hole (7), the inner wall fixed mounting of second pipe hole (7) has input elbow (4), the inside fixed communication of input elbow (4) has three -way pipe (9), the inside fixed communication of three -way pipe (9) has circulation pipe (12), the inside fixed communication of circulation pipe (12) has discharge pipe (17), the inside fixed communication of discharge pipe (17) has output pipe (19), the inside fixed communication of output pipe (19) with micro pump (14) is inside.

2. A concentric plastic screw valve structure according to claim 1, characterized in that: The outer surface of valve body (1) is clamped with connecting frame (6), the inside of connecting frame (6) is clamped with point glue needle cylinder (5).

3. A concentric plastic screw valve structure according to claim 2, wherein: The inside fixed communication of three -way pipe (9) has feeding pipe (20), the inside fixed communication of feeding pipe (20) with the inside of valve block (2).

4. A concentric plastic screw valve structure according to claim 3, wherein: The inside fixed communication of point glue needle cylinder (5) with the inside of feeding pipe (20), the inside fixed communication of input elbow (4) has booster valve (10).

5. A concentric plastic screw valve structure according to claim 4, wherein: The lower portion of point glue needle cylinder (5) is provided with two shunt valves (11), the inside of each shunt valve (11) is fixed communication with the inside of three -way pipe (9).

6. A concentric plastic screw valve structure according to claim 1, wherein: The front surface of valve block (2) is set up with drainage groove (3), and the drainage groove (3) is located below the discharge pipe (17).

7. A concentric plastic screw valve structure according to claim 1, wherein: The inner wall of micro pump (14) is screwed with two groups of dismounting bolt (16), and the outer surface of each group of dismounting bolt (16) is screwed with the inner wall of valve block (2).

8. A concentric plastic screw valve structure according to claim 1, wherein: The inside fixed communication of discharge pipe (17) has control valve (18), and the control valve (18) is located at the bottom end of discharge pipe (17).

Images