CN109693817B - Single-head paste filling pump - Google Patents
Single-head paste filling pump Download PDFInfo
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- CN109693817B CN109693817B CN201811628585.6A CN201811628585A CN109693817B CN 109693817 B CN109693817 B CN 109693817B CN 201811628585 A CN201811628585 A CN 201811628585A CN 109693817 B CN109693817 B CN 109693817B
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- cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B3/10—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material
- B65B3/12—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material mechanically, e.g. by pistons or pumps
Abstract
The invention discloses a single-head paste filling pump which comprises a rotary valve, a filling control mechanism and a pneumatic swing arm mechanism; the filling pump has the advantages of high automation degree, adjustable filling amount, simple structure and durability. The valve core and the cylinder barrel are made of ceramic materials, and the valve core and the cylinder barrel are high in hardness, wear resistance, acid and alkali resistance, high temperature resistance, corrosion resistance, long service life, compact in material, high in surface smoothness and tight in matching, are particularly suitable for industries with high requirements on sanitation and health, such as pharmacy, food and the like, and can realize high-precision filling of liquid and paste. Meanwhile, the part structure of the invention is designed to be quick-release, so that the invention is convenient to disassemble and clean and disinfect.
Description
Technical Field
The invention belongs to the technical field of liquid filling, and particularly relates to the technical field of paste filling.
Background
The paste filling pump is a small product in a packaging machine, generally uses compressed air as power, and consists of precise pneumatic elements to form an automatic filling system. In the paste filling process, as the paste belongs to a non-Newtonian structural fluid, in the paste pumping and filling process, a rotary valve is generally needed to be used for realizing the control of the filling amount, the rotary valve is a valve body used for conveying flowing paste media, the flow channel transition is required in the valve body to be smooth, otherwise, the resistance of the flow channel in the rotary valve is aggravated or blocked, the cleaning is difficult, and the paste extruding amount of the rotary valve needs to be strictly controlled, so that the rotary valve and the flow dividing valve used for the common fluid can not be suitable for the filling equipment of the paste. The industries requiring paste filling generally have high requirements on the sanitation, corrosion resistance, cleaning convenience, service life, precision and the like of parts, and a common single-head paste filling pump is difficult to simultaneously meet the requirements.
Disclosure of Invention
The invention aims to provide a novel rotary valve of a pneumatic rotary valve plunger pump, aiming at the problems in the prior art.
The technical scheme of the invention is as follows:
a single-head paste filling pump comprises a rotary valve, a filling control mechanism and a pneumatic swing arm mechanism;
the rotary valve comprises a rotary valve shell with a hollow tetragonal structure, a valve core connecting rod, a rotary connecting rod gland, a feeding liquid nozzle, a ceramic cylinder barrel and a ceramic valve core; a first flange and a second flange are fixedly arranged on two opposite surfaces of the rotary valve shell respectively, a first shell hole, a second shell hole and a third shell hole are formed in three of the remaining four surfaces respectively, and the first shell hole and the second shell hole are positioned on opposite surfaces; the rotary connecting rod gland is fixedly connected with the rotary valve shell, and an opening formed in the rotary connecting rod gland is communicated with the shell hole I; a ceramic cylinder barrel is fixedly arranged between the rotary connecting rod gland and the shell hole II, and a ceramic valve core in rotary connection is arranged in the ceramic cylinder barrel; the valve core connecting rod is fixedly connected with the ceramic valve core and is rotationally connected with the rotating connecting rod gland; the feeding liquid nozzle is fixedly connected with the rotary valve shell, and an opening of the feeding liquid nozzle is communicated with the shell hole III; a first flange sleeve and a second flange sleeve which are made of ceramic are fixedly arranged in the first flange and the second flange respectively, and one end of each of the first flange sleeve and the second flange sleeve is tightly attached to the ceramic cylinder barrel; the ceramic cylinder is provided with three cylinder holes which respectively penetrate through a shell hole III, a first flange sleeve and a second flange sleeve, namely a cylinder hole I, a cylinder hole II and a cylinder hole III, the ceramic valve core is provided with three mutually penetrating valve core holes which are respectively a valve core hole I, a valve core hole II and a valve core hole III, and the valve core hole opening positions are as follows: when the first valve core hole and the second valve core hole are communicated with the first cylinder hole and the second cylinder hole respectively, the third valve core hole is not communicated with the ceramic cylinder; when the first valve core hole and the third valve core hole are respectively communicated with the second cylinder hole and the third cylinder hole, the second valve core hole is not communicated with the ceramic cylinder;
the filling control mechanism comprises a bottom plate, a first air cylinder with a left and right movable air cylinder rod in the center, a cylindrical adjusting hand wheel fixedly provided with an adjusting screw rod, a guide seat with a cylindrical middle part and internal threads, a cylinder shell fixedly provided with a ceramic cylinder and with flange ports at two ends, a connecting flange with a flange port at one end, a hoop connecting piece connected with the flange port and a plunger head with a ceramic plunger fixedly provided at one end; the first cylinder is fixedly arranged on the bottom plate, the first end of the first cylinder is fixedly connected with the guide seat, and the guide seat is nested with the cylinder of the adjusting hand wheel and is rotationally connected with the cylinder of the adjusting hand wheel through a threaded adjusting screw rod; the second end of the first cylinder is fixedly connected with the connecting flange, and the other end of the connecting flange is fixedly connected with one end of the cylinder barrel shell through the hoop connecting piece; the ceramic plunger and the plunger head are positioned in the ceramic cylinder barrel, and the other end of the plunger head is connected with a first cylinder rod of the first cylinder; the other end of the cylinder barrel shell is connected with a first flange of the rotary valve through the hoop connecting piece;
the pneumatic swing arm mechanism comprises a second cylinder, a second cylinder rod and a rotating arm, and one end of the second cylinder is hinged with the bottom plate; the second cylinder rod is hinged with one end of the rotating arm; the other end of the rotating arm is fixedly connected with the valve core connecting rod; under the control of the cylinder control part, the second cylinder rod is driven by the second cylinder to do reciprocating motion, and the valve core connecting rod is driven by the rotating arm to do reciprocating rotation so as to drive the ceramic valve core to do reciprocating rotation; the first cylinder is matched to push the ceramic plunger to do reciprocating motion, so that liquid suction and liquid discharge actions are realized; reciprocating like this, realized automatic cycle's filling action.
Further, the rotary valve shell is provided with a cover plate at the second shell hole. Can prevent dust and the like from entering and is more sanitary.
Furthermore, gaskets are arranged between the ceramic cylinder barrel and the valve core connecting rod and between the rotary valve shell and the cover plate; o-shaped sealing rings are arranged between the feeding liquid nozzle and the rotary valve shell and between the ceramic valve core and the valve core connecting rod.
Furthermore, the filling control mechanism also comprises a locking block fixedly connected to the bottom plate and provided with a hole in the middle, and the adjusting hand wheel penetrates through the hole in the middle of the locking block.
Further, the plunger head is connected with the first cylinder rod through a ball stud.
Furthermore, scales are arranged on the outer portion of the cylinder of the guide seat and one end, connected with the guide seat, of the adjusting hand wheel. The filling quantity can be accurately set by means of the scales through screwing in and screwing out of the adjusting hand wheel.
The invention has the beneficial effects that: the filling pump has the advantages of high automation degree, adjustable filling amount, simple structure and durability. The valve core and the cylinder barrel are made of ceramic materials, and the valve core and the cylinder barrel are high in hardness, wear resistance, acid and alkali resistance, high temperature resistance, corrosion resistance, long service life, compact in material, high in surface smoothness and tight in matching, are particularly suitable for industries with high requirements on sanitation and health, such as pharmacy, food and the like, and can realize high-precision filling of liquid and paste. Meanwhile, the part structure of the invention is designed to be quick-release, so that the invention is convenient to disassemble and clean and disinfect.
Drawings
FIG. 1 is a general block diagram of an embodiment;
FIG. 2 is an external structural view of a filling control mechanism according to an embodiment;
FIG. 3 is an exploded view of the components of the fill control mechanism of an embodiment;
FIG. 4 is an external structural view of an embodiment rotary valve;
FIG. 5 is an exploded view of an embodiment rotary valve;
FIG. 6 is a cross-sectional view of the hole site of the ceramic cylinder and the ceramic valve core when the liquid is fed in the embodiment;
FIG. 7 is a cross-sectional view of the hole site of the ceramic cylinder and the ceramic valve core during the liquid injection of the embodiment;
FIG. 8 is an external structural view of a pneumatic swing arm mechanism of the embodiment;
the arrows in fig. 6 and 7 indicate the flow direction.
The names of the reference numbers in the figures are respectively:
a rotary valve, b filling control mechanism and c pneumatic swing arm mechanism;
a1 adjusting hand wheel, a2 locking block, a3 adjusting screw, a4 guide seat, a5 first cylinder rod, a6 one-way throttle valve, a7 bottom plate, a8 first cylinder, a9 connecting flange, a10 clamp connecting piece, a11 ball stud, a12 plunger head, a13 ceramic plunger, a14 cylinder shell and a15 ceramic cylinder;
the rotary valve comprises a b1 rotary valve shell, a b2 valve core connecting rod, a b 3O-shaped sealing ring, a b4 feeding liquid nozzle, a b5 gasket, a b6 rotary connecting rod gland, a b7 first flange, a b8 first flange sleeve, a b9 ceramic cylinder, a b91 cylinder hole I, a b92 cylinder hole II, a b93 cylinder hole III, a b10 shell hole III, a b11 shell hole II, a b12 ceramic valve core, a b121 valve core hole I, a b122 valve core hole II, a b123 valve core hole III, a b13 second flange and a b14 cover plate.
c1 second cylinder, c2 second cylinder rod, c3 arm.
Detailed Description
One embodiment of the present invention, as shown in fig. 1 to 8, is a single-head paste filling pump, which includes three major parts, namely a rotary valve, a filling control mechanism and a pneumatic swing arm mechanism, wherein:
the filling control mechanism a comprises a bottom plate a7, a first air cylinder a8 with a first air cylinder rod a5 capable of moving left and right in the center, a cylindrical adjusting hand wheel a1 fixedly provided with an adjusting screw a3 in the center, a guide seat a4 with a cylindrical middle part and internal threads, a cylinder shell a14 fixedly provided with a ceramic cylinder a15 in the center and provided with flange ports at two ends, a connecting flange a9 with a flange port at one end, a hoop connecting piece a10 connected with the flange port and a plunger head a12 with a ceramic plunger a13 fixedly provided at one end; the plunger head a12 is connected with the first cylinder rod a5 through a ball stud a 11. The first air cylinder a8 is fixedly arranged on the bottom plate a7, the locking block a2 is fixedly arranged on the bottom plate a7, the adjusting hand wheel a1 penetrates through a hole of the locking block a2, the first end of the first air cylinder a8 is fixedly connected with the guide seat a4, and the guide seat a4 is nested with a cylinder of the adjusting hand wheel a1 and is rotatably connected with the adjusting screw a3 through threads; the second end of the first cylinder a8 is fixedly connected with the connecting flange a9, and the other end of the connecting flange a9 is fixedly connected with one end of the cylinder barrel shell a14 through the hoop connecting piece a 10; the ceramic plunger a13 and the plunger head a12 are located in the ceramic cylinder tube a15, and the other end of the plunger head a12 is connected with the first cylinder rod a5 of the first cylinder a 8. The outer part of the cylinder of the guide seat a4 is provided with scales, and the end of the adjusting handwheel a1 connected with the guide seat a4 is provided with scales.
The rotary valve b comprises a rotary valve shell b1 with a hollow tetragonal structure, a valve core connecting rod b2, a rotary connecting rod gland b6, a feeding liquid nozzle b4, a ceramic cylinder b9 and a ceramic valve core b 12; a first flange b7 and a second flange b13 are fixedly arranged on two opposite surfaces of the rotary valve shell b1 respectively, a shell hole I, a shell hole II b11 and a shell hole III b10 are formed on three surfaces of the rest four surfaces respectively, and the shell hole I and the shell hole II b11 are positioned on the opposite surfaces; the rotary connecting rod gland b6 is fixedly connected with the rotary valve shell b1, and an opening arranged on the rotary connecting rod gland b6 is communicated with the shell hole I; a ceramic cylinder barrel b9 is fixedly arranged between the rotary connecting rod gland b6 and the shell hole II b11, and a ceramic valve core b12 which is connected in a rotary mode is arranged in the ceramic cylinder barrel b 9; the valve core connecting rod b2 is fixedly connected with the ceramic valve core b12 and is rotationally connected with the rotary connecting rod gland b 6; and a washer b5 is arranged between the ceramic cylinder b9 and the valve core connecting rod b 2. The feed liquid nozzle b4 is fixedly connected with the rotary valve shell b1, and the opening of the feed liquid nozzle b4 is communicated with the shell hole III b 10; an O-shaped sealing ring b3 is arranged between the feeding liquid nozzle b4 and the rotary valve shell b1 to prevent liquid or paste from leaking; a first flange sleeve b8 and a second flange sleeve made of ceramic are fixedly arranged in the first flange b7 and the second flange b13 respectively, and one end of each of the first flange sleeve b8 and the second flange sleeve is tightly attached to the ceramic cylinder barrel b 9; the ceramic cylinder b9 is provided with three cylinder holes respectively penetrating through a shell hole three b10, a first flange sleeve b8 and a second flange sleeve, namely a cylinder hole one b91, a cylinder hole two b92 and a cylinder hole three b93, and the ceramic valve core b12 is provided with three valve core holes which are mutually penetrated, namely a valve core hole one b121, a valve core hole two b122 and a valve core hole three b 123. The rotary valve shell b1 is provided with a cover plate b14 at a shell hole two b 11; a gasket b5 is arranged between the rotary valve shell b1 and the cover plate b 14; an O-shaped sealing ring b3 is arranged between the ceramic valve core b12 and the valve core connecting rod b 2. The other end of the cylinder barrel housing a14 is connected with a first flange b7 of the rotary valve b through the clip connector a 10;
the pneumatic swing arm mechanism c comprises a second air cylinder c1, a second air cylinder rod c2 and a rotating arm c3, and one end of the second air cylinder c3 is hinged with the bottom plate a 7; the second cylinder rod c2 is hinged with one end of the rotating arm c 3; the other end of the rotating arm c3 is fixedly connected with the valve core connecting rod b 2; under the control of the cylinder control part, the second cylinder rod c2 reciprocates under the drive of the second cylinder c1, and the valve core connecting rod b2 reciprocates through the drive of the rotating arm c3, so that the ceramic valve core b12 is driven to reciprocate.
The valve core hole opening position is as follows: when the first valve core hole b121 and the second valve core hole b122 are respectively communicated with the first cylinder hole b91 and the second cylinder hole b92, the third valve core hole b123 is not communicated with the ceramic cylinder b9, the position of the ceramic valve core b12 corresponds to the liquid inlet state, and negative pressure is generated through the movement of the plunger head a12 to suck the cream liquid; then the ceramic valve core rotates, so that the first valve core hole b91 and the third valve core hole b93 are respectively communicated with the second cylinder hole b92 and the third cylinder hole b93, the second valve core hole b122 is not communicated with the ceramic cylinder b9, the position of the ceramic valve core b12 corresponds to the liquid pushing state, and the movement of the plunger head a12 pushes the paste out of the second flange b 13. Thus, the second cylinder c1 drives the ceramic valve core b12 to rotate in a reciprocating mode to achieve valve control, and the first cylinder a8 is matched with the plunger head a12 to push in a reciprocating mode to achieve liquid suction and liquid pushing actions, so that automatic circulation filling of paste is achieved finally.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (5)
1. A single-head paste filling pump is characterized by comprising a rotary valve, a filling control mechanism and a pneumatic swing arm mechanism; the rotary valve comprises a rotary valve shell with a hollow tetragonal structure, a valve core connecting rod, a rotary connecting rod gland, a feeding liquid nozzle, a ceramic cylinder barrel and a ceramic valve core; a first flange and a second flange are fixedly arranged on two opposite surfaces of the rotary valve shell respectively, a first shell hole, a second shell hole and a third shell hole are formed in three of the remaining four surfaces respectively, and the first shell hole and the second shell hole are positioned on opposite surfaces; the rotary connecting rod gland is fixedly connected with the rotary valve shell, and an opening formed in the rotary connecting rod gland is communicated with the shell hole I; a ceramic cylinder barrel is fixedly arranged between the rotary connecting rod gland and the shell hole II, and a ceramic valve core in rotary connection is arranged in the ceramic cylinder barrel; the valve core connecting rod is fixedly connected with the ceramic valve core and is rotationally connected with the rotating connecting rod gland; the feeding liquid nozzle is fixedly connected with the rotary valve shell, and an opening of the feeding liquid nozzle is communicated with the shell hole III; a first flange sleeve and a second flange sleeve which are made of ceramic are fixedly arranged in the first flange and the second flange respectively, and one end of each of the first flange sleeve and the second flange sleeve is tightly attached to the ceramic cylinder barrel; the ceramic cylinder is provided with three cylinder holes which respectively penetrate through a shell hole III, a first flange sleeve and a second flange sleeve, namely a cylinder hole I, a cylinder hole II and a cylinder hole III, the ceramic valve core is provided with three mutually penetrating valve core holes which are respectively a valve core hole I, a valve core hole II and a valve core hole III, and the valve core hole opening positions are as follows: when the first valve core hole and the second valve core hole are communicated with the first cylinder hole and the second cylinder hole respectively, the third valve core hole is not communicated with the ceramic cylinder; when the first valve core hole and the third valve core hole are respectively communicated with the second cylinder hole and the third cylinder hole, the second valve core hole is not communicated with the ceramic cylinder; the filling control mechanism comprises a bottom plate, a first air cylinder with a left and right movable air cylinder rod in the center, a cylindrical adjusting hand wheel fixedly provided with an adjusting screw rod, a guide seat with a cylindrical middle part and internal threads, a cylinder shell fixedly provided with a ceramic cylinder and with flange ports at two ends, a connecting flange with a flange port at one end, a hoop connecting piece connected with the flange port and a plunger head with a ceramic plunger fixedly provided at one end; the first cylinder is fixedly arranged on the bottom plate, the first end of the first cylinder is fixedly connected with the guide seat, and the guide seat is nested with the cylinder of the adjusting hand wheel and is rotationally connected with the cylinder of the adjusting hand wheel through a threaded adjusting screw rod; the second end of the first cylinder is fixedly connected with the connecting flange, and the other end of the connecting flange is fixedly connected with one end of the cylinder barrel shell through the hoop connecting piece; the ceramic plunger and the plunger head are positioned in the ceramic cylinder barrel, and the other end of the plunger head is connected with a first cylinder rod of the first cylinder; the other end of the cylinder barrel shell is connected with a first flange of the rotary valve through the hoop connecting piece; the pneumatic swing arm mechanism comprises a second cylinder, a second cylinder rod and a rotating arm, and one end of the second cylinder is hinged with the bottom plate; the second cylinder rod is hinged with one end of the rotating arm; the other end of the rotating arm is fixedly connected with the valve core connecting rod; and a cover plate is arranged at the second shell hole of the rotary valve shell.
2. The single-head paste filling pump according to claim 1, wherein gaskets are provided between the ceramic cylinder and the spool link, and between the rotary valve housing and the cover plate; o-shaped sealing rings are arranged between the feeding liquid nozzle and the rotary valve shell and between the ceramic valve core and the valve core connecting rod.
3. The single-head paste filling pump according to claim 1, wherein the filling control mechanism further comprises a locking block fixedly connected to the bottom plate and provided with a hole in the middle, and the adjusting hand wheel penetrates through the hole in the middle of the locking block.
4. A single-head paste filling pump according to claim 3, wherein said plunger head and first cylinder rod are connected by ball stud.
5. The single-head paste filling pump according to claim 4, wherein scales are provided on the outside of the cylinder of the guide seat and on the end of the adjusting handwheel that is connected to the guide seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811628585.6A CN109693817B (en) | 2018-12-28 | 2018-12-28 | Single-head paste filling pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811628585.6A CN109693817B (en) | 2018-12-28 | 2018-12-28 | Single-head paste filling pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109693817A CN109693817A (en) | 2019-04-30 |
| CN109693817B true CN109693817B (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811628585.6A Active CN109693817B (en) | 2018-12-28 | 2018-12-28 | Single-head paste filling pump |
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| Country | Link |
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| CN (1) | CN109693817B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111115533B (en) * | 2019-12-28 | 2023-11-24 | 长沙方今科技有限公司 | Filling valve with back suction function and filling machine comprising same |
| CN111907750A (en) * | 2020-07-13 | 2020-11-10 | 安徽省含山民生瓷业有限责任公司 | Ceramic filling device that intelligent degree is high |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205892720U (en) * | 2016-07-15 | 2017-01-18 | 广州市胜川包装设备有限公司 | Antidrip filling head of lotion, sauce material liquid filling machine |
| CN206377305U (en) * | 2017-01-10 | 2017-08-04 | 江苏中饮机械有限公司 | Binary channels filling valve |
| CN107499551A (en) * | 2017-08-25 | 2017-12-22 | 佛山建邦机械有限公司 | A kind of ceramic plunger filling apparatus of double-rod cylinder control |
| CN108361167A (en) * | 2018-01-30 | 2018-08-03 | 广州雪霸专用设备有限公司 | A kind of high-accuracy valveless quantifies ceramic pump |
| CN108547978A (en) * | 2018-04-03 | 2018-09-18 | 广州雪霸专用设备有限公司 | A kind of quantitative filling ceramics rotary valve of high viscosity lotion |
| CN209080216U (en) * | 2018-10-12 | 2019-07-09 | 广州雪霸专用设备有限公司 | A kind of single head lotion filling pump |
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2018
- 2018-12-28 CN CN201811628585.6A patent/CN109693817B/en active Active
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| CN109693817A (en) | 2019-04-30 |
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