Efficient polyester spinning metering pump

Abstract

The utility model relates to an efficient polyester spinning metering pump, which relates to the technical field of metering pumps, and comprises a shell assembly, the shell assembly comprises a case, a tubular shell and a flow shell, the case, the tubular shell and the flow shell are fixedly connected in sequence, and the top and the bottom of the flow shell are respectively provided with a liquid outlet and a liquid inlet; the liquid conveying assembly is used for controlling liquid flowing and comprises a plunger, a diaphragm, a limiting spring and a control rod, the plunger is arranged in the tubular shell and the machine box, the limiting spring is installed between the plunger and the inner wall of the tubular shell, the diaphragm is installed on one side of the inner wall of the flowing shell, and the control rod is installed between the plunger and the diaphragm; the driving assembly is used for driving the infusion assembly, and the driving assembly comprises a motor and an adjustable rotating disc. According to the utility model, the flow amount of the solvent at each time can be adjusted according to the demanded quantity of the solvent, so that the flow amount can be flexibly adjusted according to the demanded quantity, the flow amount does not need to be metered for several times under the condition of determining the flow amount, and the efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metering pump, especially a high -efficient dacron spinning metering pump. BACKGROUND

[0002] The dacron spinning metering pump is a kind of equipment specially used in dacron fiber production process, and the main function is accurate metering and conveying chemical raw materials, such as polyester material.This kind of pump usually plays an important role in spinning process to ensure the quantitative raw material supply, so as to ensure the stability of spinning and product quality.

[0003] The solvent amount inhaled by the ordinary metering pump in one suction is fixed, so multiple suction is often needed in different situations, such as the suction amount is slightly less than the demand, and then suction is needed again, so the efficiency is reduced. UTILITY MODEL CONTENTS

[0004] In view of the technical problem that the solvent amount inhaled by the metering pump in one suction is fixed, the use is not flexible, and the efficiency needs to be improved in the prior art, the utility model provides a high -efficient dacron spinning metering pump.

[0005] The technical scheme adopted by the utility model is: a kind of high -efficient dacron spinning metering pump, comprising:

[0006] Shell composition, the shell composition includes machine case, tubular shell and flow shell, the machine case, tubular shell and flow shell are sequentially fixedly connected, the top and bottom of flow shell are provided with drain and inlet respectively;

[0007] Infusion assembly for controlling liquid flow, the infusion assembly includes plunger, diaphragm, limit spring and control rod, the plunger is arranged in tubular shell and machine case, the limit spring is installed between plunger and the inner wall of tubular shell, the diaphragm is installed on the inner wall side of flow shell, the control rod is installed between plunger and diaphragm;

[0008] Driving assembly for driving infusion assembly, the driving assembly includes motor and adjustable turntable, the adjustable turntable includes mounting disc, adjusting block, rubber capsule and adjusting oil cylinder, the motor is installed above machine case, the rubber capsule is located on the side of plunger and rubber capsule is installed on the output shaft of motor, the mounting disc and adjusting block form disc shape, the mounting disc and adjusting block are arranged in rubber capsule, the mounting groove is formed on the mounting disc, the adjusting oil cylinder is installed in mounting groove, the adjusting block is installed on the output end of adjusting oil cylinder.

[0009] Further, the rubber capsule is sealed and welded by two upper and lower half capsules.

[0010] Further, control valve pipes are installed in the drain and inlet.

[0011] Further, the control valve pipe is provided with a transition cavity, and the transition cavity is provided with a limiting bead.

[0012] Further, the diameter of the limiting bead is greater than the inner diameter of the control valve pipe, and the diameter of the limiting bead is less than the inner diameter of the transition cavity.

[0013] Further, the inner wall of the tubular shell is bonded with a sealing ring, and the sealing ring is arranged outside the plunger.

[0014] Further, the inner wall of the flow shell is provided with a flow limiting block on one side.

[0015] The utility model discloses the beneficial effects are:

[0016] The utility model discloses can adjust the solvent flow amount of each time according to the demand amount of solvent, can therefore flexibly adjust according to demand amount, thereby can not need to measure by times under the condition of determining flow amount, and therefore can improve efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure view of the utility model;

[0018] Figure 2 It is the section view of the utility model;

[0019] Figure 3 It is the explosion view of the adjustable turntable of the utility model;

[0020] Figure 4 It is the section view of the control valve pipe of the utility model.

[0021] Marked as in the drawing: 1, the shell constitutes;101, the machine case;102, the tubular shell;103, the flow shell;2, the infusion assembly;201, the plunger;202, the diaphragm;203, the limiting spring;204, the control rod;3, the drive assembly;301, the motor;4, the adjustable turntable;401, the mounting disc;402, the adjusting block;403, the rubber capsule body;404, the adjusting oil cylinder;5, the liquid discharge port;6, the liquid inlet;7, the mounting groove;8, the control valve pipe;9, the transition cavity;10, the limiting bead;11, the sealing ring;12, the flow limiting block. DETAILED DESCRIPTION

[0022] In the description of the utility model, it is necessary to explain that the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0023] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, and can also be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements, for those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] The utility model is described below with reference to the accompanying drawings Figures 1-4 The utility model is further described.

[0025] In order to solve the problems in the background art, the present application proposes the following technical scheme: an efficient polyester spinning metering pump, comprising a shell assembly 1, a liquid delivery assembly 2 and a driving assembly 3.

[0026] In specific implementation, as shown in Figure 1 and Figure 2 The shell assembly 1 comprises a case 101, a tubular shell 102 and a flow shell 103, the case 101, the tubular shell 102 and the flow shell 103 are fixedly connected in sequence, and the top and bottom of the flow shell 103 are respectively provided with a liquid discharge port 5 and a liquid inlet port 6, so that the reagent used during spinning can be conveniently imported and exported through the liquid discharge port 5 and the liquid inlet port 6.

[0027] The liquid delivery assembly 2 is used for controlling liquid flow, and the liquid delivery assembly 2 comprises a plunger 201, a diaphragm 202, a limiting spring 203 and a control rod 204, the plunger 201 is arranged in the tubular shell 102 and the case 101, the limiting spring 203 is installed between the plunger 201 and the inner wall of the tubular shell 102, the diaphragm 202 is installed on one side of the inner wall of the flow shell 103, and the control rod 204 is installed between the plunger 201 and the diaphragm 202, the diaphragm 202 can be moved by looking at the movement of the plunger 201, so that the reagent can be inhaled and discharged.

[0028] In specific implementation, as shown in Figure 2 and Figure 3As shown, the driving assembly 3 is used to drive the infusion assembly 2, the driving assembly 3 comprises a motor 301 and an adjustable rotary disc 4, the adjustable rotary disc 4 comprises a mounting disc 401, an adjusting block 402, a rubber capsule 403 and an adjusting oil cylinder 404, the motor 301 is installed above the cabinet 101, the rubber capsule 403 is located at one side of the plunger 201 and the rubber capsule 403 is installed on the output shaft of the motor 301, and the rubber capsule 403 is installed at a non-circular center position of the motor 301, the mounting disc 401 and the adjusting block 402 form a disc shape, the mounting disc 401 and the adjusting block 402 are arranged in the rubber capsule 403, the mounting disc 401 is provided with a mounting groove 7, the adjusting oil cylinder 404 is installed in the mounting groove 7, and the adjusting block 402 is installed at the output end of the adjusting oil cylinder 404, so that the adjusting block 402 can be moved by the hydraulic cylinder to increase the rotation amplitude of the adjustable rotary disc 4, thereby the solvent suction amount of each time can be controlled.

[0029] Further, the rubber capsule 403 is sealed and welded by two upper and lower half capsules, so that the packaging sealing performance is good and the production is more convenient.

[0030] Further, the control valve pipe 8 is installed in the liquid outlet 5 and the liquid inlet 6, the transition cavity 9 is arranged in the control valve pipe 8, the limiting bead 10 is arranged in the transition cavity 9, the diameter of the limiting bead 10 is greater than the inner diameter of the control valve pipe 8, and the diameter of the limiting bead 10 is less than the inner diameter of the transition cavity 9, so that the entering and discharging of the solvent can be automatically controlled by the control valve pipe 8.

[0031] Further, the sealing ring 11 is bonded on the inner wall of the tubular shell 102, and the sealing sleeve is arranged outside the plunger 201, so that the plunger 201 can be limited to ensure good stability.

[0032] Further, the flow limiting block 12 limiting the liquid flow is installed on one side of the inner wall of the flow shell 103.

[0033] In order for those skilled in the art to fully understand the technical solutions, the present application is made as follows:

[0034] When in use, the flow amount of the solvent can be adjusted according to the required amount of the solvent, so that the flow amount can be adjusted flexibly according to the required amount, and the flow amount can be determined without metering in batches, so that the efficiency can be improved; when adjusting, the adjusting oil cylinder 404 is started to control, and it should be noted that the power supply of the adjusting oil cylinder 404 is arranged in the mounting disc 401; the adjusting oil cylinder 404 can push the adjusting block 402 to move, so that the distance between the adjusting block 402 and the mounting disc 401 is increased to increase the moving distance of the plunger 201 driven by the adjustable turntable 4; after the adjustment is completed, the motor 301 is started, and the motor 301 can drive the adjustable turntable 4 to rotate; when the adjustable turntable 4 rotates, the plunger 201 can be pushed to move by the rubber capsule 403; the plunger 201 can extrude the limiting spring 203 and push the control rod 204 to move; with the movement of the plunger 201, the diaphragm 202 can be expanded and contracted; when the diaphragm 202 is contracted, negative pressure is generated in the flow shell 103, so that the lower limiting bead 10 can be moved upward, so that the solvent can enter the flow shell 103 through the gap between the limiting bead 10 and the transition cavity 9; when the diaphragm 202 is expanded, the lower control valve pipe 8 is automatically closed, and the limiting bead 10 in the upper control valve pipe 8 can be pushed upward, so that the solvent can be discharged through the gap between the limiting bead 10 and the transition cavity 9.

[0035] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0036] Although the embodiments of the utility model have been shown and described, the scope of the utility model is defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. A high efficiency polyester spinning metering pump characterized by, The utility model relates to a kind of medical infusion device, including: Shell composition (1), the shell composition (1) includes cabinet (101), tubular shell (102) and flow shell (103), the cabinet (101), tubular shell (102) and flow shell (103) are fixed connection in turn, the top and bottom of flow shell (103) are provided with drain (5) and liquid inlet (6) respectively; Infusion assembly (2) for controlling liquid flow, the infusion assembly (2) includes plunger (201), diaphragm (202), limit spring (203) and control rod (204), the plunger (201) is arranged in tubular shell (102) and cabinet (101), the limit spring (203) is installed between plunger (201) and the inner wall of tubular shell (102), the diaphragm (202) is installed in the inner wall side of flow shell (103), the control rod (204) is installed between plunger (201) and diaphragm (202); Drive assembly (3) for driving infusion assembly (2), the drive assembly (3) includes motor (301) and adjustable turntable (4), the adjustable turntable (4) includes mounting disc (401), adjusting block (402), rubber capsule body (403) and adjusting oil cylinder (404), the motor (301) is installed above cabinet (101), the rubber capsule body (403) is located plunger (201) side and rubber capsule body (403) is installed on the output shaft of motor (301), the mounting disc (401) and adjusting block (402) form disc shape, the mounting disc and adjusting block (402) are arranged in rubber capsule body (403), mounting groove (7) is formed in the mounting disc (401), the adjusting oil cylinder (404) is installed in mounting groove (7), the adjusting block (402) is installed in the output end of adjusting oil cylinder (404).

2. The high efficiency polyester spinning metering pump of claim 1, wherein, The rubber capsule body (403) is sealed by two half capsules.

3. The high efficiency polyester spinning metering pump of claim 1, wherein, Control valve pipe (8) is installed in the drain (5) and liquid inlet (6).

4. The high efficiency polyester spinning metering pump of claim 3, wherein, Transition cavity (9) is formed in the control valve pipe (8), and limit bead (10) is arranged in the transition cavity (9).

5. The high efficiency polyester spinning metering pump of claim 4, wherein, The diameter of the limit bead (10) is greater than the inner diameter of the control valve pipe (8), and the diameter of the limit bead (10) is less than the inner diameter of the transition cavity (9).

6. The high efficiency polyester spinning metering pump of claim 1, wherein, The inner wall of the tubular shell (102) is bonded with a sealing ring (11), and the sealing sleeve is arranged outside the plunger (201).

7. The high efficiency polyester spinning metering pump of claim 1, wherein, The inner wall side of the flow shell (103) is provided with a flow limiting block (12) for limiting liquid flow.

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