CN111940239A - Intelligent miniature metering screw valve of special dispensing and conveying equipment - Google Patents
Intelligent miniature metering screw valve of special dispensing and conveying equipment Download PDFInfo
- Publication number
- CN111940239A CN111940239A CN202010999541.5A CN202010999541A CN111940239A CN 111940239 A CN111940239 A CN 111940239A CN 202010999541 A CN202010999541 A CN 202010999541A CN 111940239 A CN111940239 A CN 111940239A
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- Prior art keywords
- screw
- wall
- stator
- conveying equipment
- needle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1026—Valves
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- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses an intelligent miniature metering screw valve of special dispensing and conveying equipment, which relates to the technical field of quantitative liquid conveying, and aims to solve the problems that the accuracy of glue solution conveying is reduced, the service life of a needle head installed by threads is short and the like because the existing liquid outlet needle head is installed by rotating the threads, the threads are abraded after long-time replacement and use, and the connection tightness is influenced. The invention has simple and novel structure, small volume, high conveying precision, convenient and fast installation and replacement of the needle head and high connection stability, thereby improving the discharging stability, prolonging the service life of the needle head and being suitable for popularization.
Description
Technical Field
The invention relates to the technical field of quantitative liquid conveying, in particular to an intelligent micro metering screw valve of special dispensing and conveying equipment.
Background
The screw valve uses the rotation of a screw rotor to suck and discharge liquid. A plurality of sealed spaces are formed between the screw rotor and the rubber stator, and are meshed with each other along the rotation of the screw rotor and the rubber stator, the sealed spaces are continuously formed at the suction end of the pump and seal liquid in the suction chamber, and meanwhile, the sealed spaces are continuously pushed to the discharge end along the axial direction of the screw rotor, so that the liquid in the sealed spaces is continuously discharged, and the liquid conveying process is completed. The intelligent micro metering screw valve has the advantages of small volume, light weight, high precision, stable flow, no pulsation, fast suck-back reaction, no wire drawing and the like, the liquid outlet needle head of the existing screw valve is installed through thread rotation, but the thread can generate abrasion after long-time replacement and use, the tightness of connection is affected, the accuracy of glue liquid conveying is affected, the service life of the needle head of the thread installation is short, and the intelligent micro metering screw valve for dispensing and conveying special equipment is provided for the purpose.
Disclosure of Invention
The invention provides an intelligent micro metering screw valve of special dispensing and conveying equipment, which solves the problems that the accuracy of glue solution conveying is reduced, the service life of a needle head installed by threads is short and the like because the threads are worn and the tightness of connection is influenced due to long-time replacement and use of the threads when the existing liquid outlet needle head is installed by the threads in a rotating mode.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent micro metering screw valve of special dispensing and conveying equipment comprises a brushless motor and a motor sleeve, wherein the inner wall of the top of the motor sleeve is fixedly provided with the brushless motor, the output end of the brushless motor is fixedly connected with a coupler, a driving shaft is arranged below the coupler, the bottom of the driving shaft is provided with a connecting rod, the bottom of the connecting rod is fixedly connected with a screw rotor, the bottom of the motor sleeve is fixedly connected with a connecting seat, the top of the connecting seat is provided with a feeding chamber, the inner ring of the bottom of the feeding chamber is fixedly provided with a screw stator, the bottom of the screw stator is provided with a screw outlet, the bottom of the screw outlet is connected with a needle head, the needle head is connected with the bottom of the screw stator through a fixing mechanism, the fixing mechanism comprises a guide rod, the needle head is provided with a groove close to the top of, the outer lane slip cap of guide bar is equipped with the uide bushing, the welding of one side of uide bushing has the dead lever, the welding of one side of dead lever has the locating piece, the opposite side of dead lever is equipped with the bolt.
Preferably, the bottom outer wall of the screw stator is provided with a movable cavity, the inner wall of one side of the movable cavity is provided with a positioning groove, the positioning groove is matched with the positioning block, the inner wall of the other side of the movable cavity is provided with a threaded hole, the threaded hole is matched with a bolt, and one end of the bolt close to the fixed rod is welded with a push plate.
Preferably, an extrusion spring is welded on one side of the guide sleeve, the other end of the extrusion spring is welded with the inner wall of the groove, the extrusion spring is sleeved on the outer ring of the guide rod, and the vertical section of the groove is of a U-shaped structure.
Preferably, a plurality of sealing rings are fixedly bonded on the inner wall of one side of the needle close to the screw stator, and the needle is made of 304 stainless steel.
Preferably, the screw rotor is meshed with the screw stator, a screw outlet is formed in the bottom of the screw stator, and a feeding hole is formed in the wall of one side of the feeding chamber.
Preferably, a precision bearing is arranged between the driving shaft and the connecting seat, a sealing element is arranged below the precision bearing, and the sealing element is sleeved on the outer ring of the connecting rod.
1. Compared with the prior art, the invention has the beneficial effects that: the invention is through installing brushless motor, shaft coupling, drive shaft, tie rod, screw rotor, motor cover, connecting seat, feed chamber, precision bearing, seal, feed inlet, screw stator, screw outlet and syringe needle, etc. structure, wherein rotate accurately through the brushless motor, drive the drive shaft to rotate and obtain the torsion through the shaft coupling, the supplies enter the material chamber from the feed inlet, the screw rotor rotates and engages with the screw stator under the effects of tie rod and drive shaft, form the sealed space, produce the pressure differential in the port of screw stator and then suck the supplies of the material chamber into the interior of screw stator, the continuous rotation of screw rotor and screw stator is engaged, the supplies are impelled forward and obtained certain pressure, the outlet end is got rid of, finish the accurate transport of the supplies;
2. compared with the prior art, the invention has the beneficial effects that: according to the invention, the length of the bolt penetrating through the moving cavity is increased by the rotation of the bolt through the structures of the mounting sealing ring, the moving cavity, the bolt, the guide rod, the guide sleeve, the fixed rod, the positioning block, the extrusion spring and the like, the fixed rod and the positioning block are moved by the movement of the bolt, so that the positioning block and the positioning groove are installed in a mutually matched manner, and the needle head and the bottom outlet of the screw stator are correspondingly installed through the installation of the positioning block, so that the installation stability is improved;
the invention has simple and novel structure, small volume, high conveying precision, convenient and fast installation and replacement of the needle head and high connection stability, thereby improving the discharging stability, prolonging the service life of the needle head and being suitable for popularization.
Drawings
Fig. 1 is a schematic front view of an intelligent micro metering screw valve of a special dispensing and conveying device according to the present invention;
fig. 2 is an enlarged schematic view of a structure at a position a of the intelligent micro metering screw valve of the special dispensing and conveying equipment provided by the invention;
fig. 3 is an enlarged schematic view of a structure at a position B of the intelligent micro metering screw valve of the special dispensing and conveying equipment provided by the invention.
In the figure: the device comprises a brushless motor 1, a coupler 2, a driving shaft 3, a connecting rod 4, a screw rotor 5, a motor sleeve 6, a connecting seat 7, a feeding chamber 8, a precision bearing 9, a sealing element 10, a feeding hole 11, a screw stator 12, a screw outlet 13, a needle 14, a sealing ring 15, a moving cavity 16, a bolt 17, a guide rod 18, a guide sleeve 19, a fixing rod 20, a positioning block 21 and an extrusion spring 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an intelligent micro-metering screw valve of a special dispensing and conveying device comprises a brushless motor 1 and a motor sleeve 6, wherein the inner wall of the top of the motor sleeve 6 is fixedly provided with the brushless motor 1, the output end of the brushless motor 1 is fixedly connected with a coupler 2, a driving shaft 3 is arranged below the coupler 2, the bottom of the driving shaft 3 is provided with a connecting rod 4, the bottom of the connecting rod 4 is fixedly connected with a screw rotor 5, the bottom of the motor sleeve 6 is fixedly connected with a connecting seat 7, the top of the connecting seat 7 is provided with a feeding chamber 8, the inner ring at the bottom of the feeding chamber 8 is fixedly provided with a screw stator 12, the bottom of the screw stator 12 is provided with a screw outlet 13, the bottom of the screw outlet 13 is connected with a needle 14, the needle 14 is connected with the bottom of the screw stator 12 through, and the guide rod 18 is welded with the inner wall of the groove, the outer ring of the guide rod 18 is slidably sleeved with the guide sleeve 19, one side of the guide sleeve 19 is welded with the fixed rod 20, one side of the fixed rod 20 is welded with the positioning block 21, and the other side of the fixed rod 20 is provided with the bolt 17.
In this embodiment, the bottom outer wall of the screw stator 12 is provided with a moving cavity 16, the inner wall of one side of the moving cavity 16 is provided with a positioning groove, the positioning groove is matched with the positioning block 21, the inner wall of the other side of the moving cavity 16 is provided with a threaded hole, the threaded hole is matched with the bolt 17, and one end of the bolt 17 close to the fixing rod 20 is welded with a push plate.
In this embodiment, an extrusion spring 22 is welded on one side of the guide sleeve 19, the other end of the extrusion spring 22 is welded on the inner wall of the groove, the extrusion spring 22 is sleeved on the outer ring of the guide rod 18, and the vertical section of the groove is in a U-shaped structure.
In this embodiment, a plurality of sealing rings 15 are fixedly bonded to the inner wall of the needle 14 near the screw stator 12, and the needle 14 is made of 304 stainless steel.
In this embodiment, the screw rotor 5 is engaged with the screw stator 12, the screw outlet 13 is disposed at the bottom of the screw stator 12, and the feeding port 11 is disposed on a side wall of the feeding chamber 8.
In this embodiment, a precision bearing 9 is disposed between the driving shaft 3 and the connecting seat 7, a sealing element 10 is installed below the precision bearing 9, and the sealing element 10 is sleeved on the outer ring of the connecting rod 4.
In the embodiment, firstly, the brushless motor 1 is adopted in the scheme, the brushless motor 1 is suitable for conveying high-density liquid, the precision is high, the brushless motor 1 enables the brushless motor 1 to rotate accurately through a specific programming data introduction signal, the driving shaft 3 is driven to rotate through the coupler 2 to obtain torsion, materials enter the feeding chamber 8 from the feeding port 11, the screw rotor 5 is meshed with the screw stator 12 in a rotating mode under the action of the connecting rod 4 and the driving shaft 3 to form a sealed space, pressure difference is generated at the port of the screw stator 12, then the materials in the feeding chamber 8 are sucked into the screw stator 12, the screw rotor 5 is meshed with the screw stator 12 in a rotating mode, the materials are pushed forwards to obtain certain pressure and are discharged through the screw outlet 13 to finish accurate conveying of the materials, when the needle head 14 is replaced, the bolt 17 is rotated, the bolt 17 moves to the outside of the moving, at this moment, the fixing rod 20 moves towards one side close to the bolt 17 under the resilience of the extrusion spring 22, at this moment, the fixing rod 20 slides on the guide rod 18 through the guide sleeve 19, after the positioning block 21 is separated from the positioning groove, the needle 14 is pulled, the needle 14 is separated from one end of the screw stator 12, the needle 14 is disassembled, the needle 14 is installed after cleaning in the same way, the needle 14 is sleeved on the outer ring of the end part of the screw stator 12 and is pressed into the moving cavity 16, at this moment, the bolt 17 is rotated, the length of the bolt 17 extending into the moving cavity 16 is lengthened, the fixing rod 20 is extruded, the positioning block 21 is matched and clamped with the positioning groove, the rotation of the bolt 17 is stopped, and the installation of the needle 14 is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a little smart metering screw valve of special equipment is carried in point, includes brushless motor (1) and motor cover (6), its characterized in that, the top inner wall fixed mounting of motor cover (6) has brushless motor (1), the output fixedly connected with shaft coupling (2) of brushless motor (1), the below of shaft coupling (2) is equipped with drive shaft (3), the bottom of drive shaft (3) is equipped with connecting rod (4), the bottom fixedly connected with screw rotor (5) of connecting rod (4), the bottom fixedly connected with connecting seat (7) of motor cover (6), feed space (8) are installed at the top of connecting seat (7), the bottom inner circle fixed mounting of feed space (8) has screw stator (12), the bottom of screw stator (12) is equipped with screw outlet (13), the bottom of screw outlet (13) is connected with syringe needle (14), the utility model discloses a syringe needle, including syringe needle (14), screw stator (12), fixing mechanism, guide bar (18), the top that needle (14) is close to screw stator (12) is seted up flutedly, and the inner wall welding of guide bar (18) and recess, the outer lane slip cover of guide bar (18) is equipped with uide bushing (19), one side welding of uide bushing (19) has dead lever (20), one side welding of dead lever (20) has locating piece (21), the opposite side of dead lever (20) is equipped with bolt (17).
2. The intelligent micro-metering screw valve of special dispensing and conveying equipment as claimed in claim 1, wherein a moving cavity (16) is formed in the outer wall of the bottom of the screw stator (12), a positioning groove is formed in the inner wall of one side of the moving cavity (16) and is matched with the positioning block (21), a threaded hole is formed in the inner wall of the other side of the moving cavity (16) and is matched with the bolt (17), and a push plate is welded at one end, close to the fixing rod (20), of the bolt (17).
3. The intelligent micro metering screw valve of special dispensing and conveying equipment as claimed in claim 1, wherein an extrusion spring (22) is welded on one side of the guide sleeve (19), the other end of the extrusion spring (22) is welded with the inner wall of the groove, the extrusion spring (22) is sleeved on the outer ring of the guide rod (18), and the vertical section of the groove is in a U-shaped structure.
4. The intelligent micro-metering screw valve of special dispensing and conveying equipment as claimed in claim 1, wherein a plurality of sealing rings (15) are fixedly bonded to the inner wall of the needle (14) close to the screw stator (12), and the needle (14) is made of 304 stainless steel.
5. The intelligent micro-metering screw valve of the special dispensing and conveying equipment is characterized in that the screw rotor (5) is meshed with the screw stator (12), the bottom of the screw stator (12) is provided with a screw outlet (13), and a side chamber wall of the feeding chamber (8) is provided with a feeding hole (11).
6. The intelligent micro-metering screw valve of special dispensing and conveying equipment according to claim 1, wherein a precision bearing (9) is arranged between the driving shaft (3) and the connecting seat (7), a sealing element (10) is installed below the precision bearing (9), and the sealing element (10) is sleeved on an outer ring of the connecting rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010999541.5A CN111940239A (en) | 2020-09-22 | 2020-09-22 | Intelligent miniature metering screw valve of special dispensing and conveying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010999541.5A CN111940239A (en) | 2020-09-22 | 2020-09-22 | Intelligent miniature metering screw valve of special dispensing and conveying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111940239A true CN111940239A (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010999541.5A Pending CN111940239A (en) | 2020-09-22 | 2020-09-22 | Intelligent miniature metering screw valve of special dispensing and conveying equipment |
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| Country | Link |
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| CN (1) | CN111940239A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118595696A (en) * | 2024-08-09 | 2024-09-06 | 武汉螺耐斯环保设备有限公司 | Welding equipment for precise parts of miniature screw valve |
-
2020
- 2020-09-22 CN CN202010999541.5A patent/CN111940239A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118595696A (en) * | 2024-08-09 | 2024-09-06 | 武汉螺耐斯环保设备有限公司 | Welding equipment for precise parts of miniature screw valve |
| CN118595696B (en) * | 2024-08-09 | 2024-10-15 | 武汉螺耐斯环保设备有限公司 | Welding equipment for precise parts of miniature screw valve |
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