CN107420569B - Three-stage filling control method of filling gun with flow graded adjustment - Google Patents
Three-stage filling control method of filling gun with flow graded adjustment Download PDFInfo
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- CN107420569B CN107420569B CN201710814921.5A CN201710814921A CN107420569B CN 107420569 B CN107420569 B CN 107420569B CN 201710814921 A CN201710814921 A CN 201710814921A CN 107420569 B CN107420569 B CN 107420569B
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- filling
- gun
- stage
- driving mechanism
- connecting rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C3/28—Flow-control devices, e.g. using valves
- B67C3/286—Flow-control devices, e.g. using valves related to flow rate control, i.e. controlling slow and fast filling phases
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a three-stage filling control method of a filling gun with flow graded adjustment, wherein the filling gun of a filling gun integrated medium and small adjusting valve comprises a three-position driving mechanism, a medium block and a three-stage filling control device, wherein the three-stage filling control device comprises three sections of pneumatic actuators, a control ball valve and a medium adjusting valve filling gun; and the three sections of pneumatic actuators act, and the opening and closing degree of the variable ball valve is driven by the middle shaft to realize opening and closing. The filling quantity control multi-stage control and function integration are realized, and the filling quantity control multi-stage control system has the advantages of high precision, high efficiency, simple structure, reliability and the like.
Description
Technical Field
The invention relates to the field of filling equipment of liquid products in the industries of chemical industry, food, medicine and the like under an explosion-proof condition, in particular to a three-stage filling control method of a filling gun with flow graded adjustment.
Technical Field
When the initial filling flow rate of the existing explosion-proof filling equipment is controlled to be less than 1m/s, a thin bypass is connected in parallel in a main pipeline for control. The filling control assembly of the equipment is increased, and the manufacture, installation and maintenance are inconvenient.
The independent design and research of our company integrates the control assembly into the filling material gun, so that the manufacture, installation and maintenance are convenient and fast, the cost is saved, and the efficiency is improved.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the three-stage filling control method of the filling gun with the flow stage adjustment function, which realizes the filling quantity control and multi-stage control and function integration and has the advantages of high precision, high efficiency, simple structure, reliability and the like.
The present invention is described in detail below.
A charging gun with flow graded adjustment comprises a three-position driving mechanism, a connecting rod, a middle measuring block, a tee joint, a lower straight pipe and a three-stage filling control device, and is characterized in that the three-stage filling control device comprises three sections of pneumatic actuators, a quantity control ball valve and a middle regulating valve charging gun; the three sections of pneumatic actuators are connected with the quantity control ball valve, the tee joint is connected with the quantity control ball valve through a flange bolt, a driving mechanism rod is connected with a connecting rod, and the middle measuring block is fixed on the connecting rod; and the three sections of pneumatic actuators act, and the opening and closing degree of the variable ball valve is driven by the middle shaft to realize opening and closing.
Furthermore, the medium-volume adjusting valve charging gun also comprises a support frame, wherein a three-position driving mechanism cylinder body is connected with the support frame through a bolt, and the three-position driving mechanism is arranged at the upper end; the other end of the support frame is connected with the upper end of the tee joint through a bolt, and the lower end of the tee joint is connected with the lower straight pipe through a flange bolt.
Further, the middle gauge block is fixed on the connecting rod through a clamp spring.
A three-stage filling control method comprises the following steps:
A. the gas circuit controls the three-position driving mechanism to extend downwards to drive the connecting rod and the middle mass block to descend and open a middle channel;
B. controlling the three sections of pneumatic actuators to act to drive the quantity control ball valve to enable the quantity control ball valve to be in a fully open state;
C. when the filling requirement is met, the air path controls the three-position driving mechanism to continue to extend downwards to drive the connecting rod and the middle gauge block to descend to the maximum position, and the material gun pipeline is fully opened;
D. when the materials are filled to a first set proportion of a target value, the air path controls the three-position driving mechanism to retract, and the connecting rod and the middle gauge block are driven to ascend to a middle gauge;
E. when the materials are filled to a second set proportion of the target value, the air path controls the three sections of pneumatic actuators to act, and drives the quantity control ball valve to close a channel part of the quantity control ball valve and perform precise filling;
F. when the filling amount reaches the target value, the material gun is in a closed state, and the filling is finished;
G. repeating the above steps while filling additional containers.
Further, before filling, the filling container is firstly placed under a filling gun, and a lower straight pipe enters the opening of the filling container.
Further, in the step C, the filling requirement is satisfied when the initial flow rate of filling is not required to be controlled to be 1 m/s.
Further, in step D, the first setting ratio is 90% of the target value.
Further, in step E, the second setting ratio is 98% of the target value.
Further, in step E, the proportion of the channel portion closed is 96%.
Further, in the step F, closing the material gun is realized by the following steps: the air passage controls the three sections of pneumatic actuators to act to drive the quantity control ball valve to completely close the passage; the air passage controls the three-position driving mechanism to continuously retract, and drives the connecting rod and the middle gauge block to ascend.
The invention has the following advantages:
1) the filling quantity control multi-stage control has high precision and high efficiency;
2) the functions are integrated, and the structure is simple and reliable;
3) the manufacture, the use and the maintenance are convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention in a closed state;
FIG. 2 is a schematic structural view of the present invention in a quantitative state;
FIG. 3 is a schematic structural view of the fully open state of the present invention;
the device comprises a base, a support, a three-stage pneumatic actuator, a 2-control ball valve, a 3-three-position driving mechanism, a 4-support frame, a 5-connecting rod, a 6-middle gauge block, a 7-tee joint and an 8-lower straight pipe.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
As shown in fig. 1-3, a charging gun with flow rate graded adjustment comprises a three-position driving mechanism 3, a supporting frame 4, a connecting rod 5, a middle measuring block 6, a tee joint 7, a lower straight pipe 8 and a three-level filling control device.
The three-stage filling control device mainly comprises three sections of pneumatic actuators 1, a quantity control ball valve 2 and a medium regulating valve filling gun. The material firstly passes through the quantity control ball valve and then passes through the medium regulating valve filling gun. The three sections of pneumatic actuators 1 are connected with the quantity control ball valve 2 through bolts, the three sections of pneumatic actuators 1 act, and the opening and closing degree of the quantity control ball valve 2 is driven through a middle shaft to realize opening and closing. The quantity control ball valve 2 and the medium regulating valve charging gun are fixedly connected through flange bolts.
The three-position driving mechanism 3 is connected with the supporting frame 4 through a bolt, and the three-position driving mechanism 3 is arranged at the upper end. The other end of the support frame 4 is connected with the upper end of the tee joint through a bolt, and the lower end of the tee joint 7 is connected with the lower straight pipe 8 through a flange bolt. The remaining end of the tee joint is connected with the flange bolt of the volume control ball valve 2. The driving mechanism rod is in threaded connection with the connecting rod 5, and the middle gauge block 6 is fixed on the connecting rod through a clamp spring. The driving mechanism moves up and down, and the middle gauge block moves up and down along with the driving mechanism. And (4) according to the medium requirement required by each project, the sizes of the three-position driving mechanism and the medium block are selected and designed.
The three-position driving mechanism 3 is a cylinder.
All the connections are threaded connections and fastened.
A three-stage filling control method comprises the following steps.
1) Before filling, the filling container is placed under a filling gun, and the lower straight pipe 8 enters the opening of the filling container.
2) The gas circuit controls the three-position driving mechanism 3 to extend downwards to drive the connecting rod 5 and the middle gauge block 6 to descend. The open midrange channel is shown in fig. 2.
3) The air passage controls the three sections of pneumatic actuators 1 to act to drive the quantity control ball valve 2 to fully open the passage. The volume control ball valve 2 is in a full open state. The whole filling pipeline is in a medium filling state because the material gun is provided with a medium channel.
4) When the filling requirement is met and the initial filling flow rate is not required to be controlled to be 1m/s, the gas circuit control three-position driving mechanism 3 continues to extend downwards to drive the connecting rod 5 and the middle block 6 to descend to the maximum position. The material gun pipeline is fully opened. As shown in fig. 3.
5) When the materials are filled to about 90% of the target value, the air path control three-position driving mechanism 3 retracts to drive the connecting rod 5 and the middle gauge block 6 to ascend to a middle gauge. As shown in fig. 2.
6) When the material is filled to about 98% of the target value, the air path controls the three sections of pneumatic actuators 1 to act, and drives the quantity control ball valve 2 to close the channel by about 96%. And (5) performing precision filling.
7) When the filling quantity reaches the target value, the air path controls the three sections of pneumatic actuators 1 to act, and drives the quantity control ball valve 2 to completely close the channel. The air passage control three-position driving mechanism 3 continuously retracts to drive the connecting rod 5 and the middle gauge block 6 to ascend. The gun is closed. And (5) completing filling.
8) And repeating the steps of 1-7 when filling another container.
Claims (8)
1. The three-stage filling control method of the filling gun with the flow graded adjustment is characterized in that the filling gun comprises a three-position driving mechanism (3), a connecting rod (5), a middle measuring block (6), a tee joint (7), a lower straight pipe (8) and a three-stage filling control device, wherein the three-stage filling control device comprises three sections of pneumatic actuators (1), a quantity control ball valve (2) and a middle regulating valve filling gun; the three sections of pneumatic actuators (1) are connected with the quantity control ball valve (2), and the tee joint (7) is connected with the flange bolt of the quantity control ball valve (2); the driving mechanism rod is connected with the connecting rod (5), and the middle gauge block (6) is fixed on the connecting rod; the three sections of pneumatic actuators (1) act, and the opening and closing degree of the variable ball valve (2) is driven through a shaft in the middle to realize opening and closing;
before filling, the step of placing the filling container under a filling gun for specific filling comprises the following steps:
A. the gas circuit controls the three-position driving mechanism (3) to extend downwards to drive the connecting rod (5) and the middle mass block (6) to descend and open a middle mass channel;
B. controlling the three sections of pneumatic actuators (1) to act to drive the quantity control ball valve (2) to enable the quantity control ball valve (2) to be in a fully open state;
C. when the filling requirement is met, the air path controls the three-position driving mechanism (3) to continue to extend downwards to drive the connecting rod (5) and the middle gauge block (6) to descend to the maximum position, and the material gun pipeline is fully opened;
D. when the materials are filled to a first set proportion of a target value, the air path controls the three-position driving mechanism (3) to retract, and drives the connecting rod (5) and the middle gauge block (6) to ascend to a middle gauge position;
E. when the materials are filled to a second set proportion of the target value, the air path controls the action of the three sections of pneumatic actuators (1) to drive the quantity control ball valves (2) to close the channel part and perform precise filling;
F. when the filling quantity reaches a target value, the air path controls the three sections of pneumatic actuators (1) to act to drive the quantity control ball valves (2) to completely close the channels; the gas circuit controls the three-position driving mechanism (3) to continuously retract to drive the connecting rod (5) and the middle gauge block (6) to ascend, the material gun is in a closed state, and filling is finished;
G. repeating the above steps while filling additional containers.
2. A method for controlling the three-stage filling of a filling gun with a step-regulated flow according to claim 1, characterized in that the lower straight tube (8) enters the mouth of the filling vessel before filling.
3. The three-stage filling control method of a flow-rate-graded filling gun according to claim 1, wherein in step C, the filling requirement is satisfied when the initial filling flow rate is not required to be controlled to be 1 m/s.
4. The three-stage filling control method of a flow-rate-staged-adjustment filling gun according to claim 1, wherein in the step D, the first set ratio is 90% of the target value.
5. The three-stage filling control method of a flow-rate-staged-adjustment filling gun according to claim 1 or 4, wherein in step E, the second set proportion is 98% of the target value.
6. The method for controlling the three-stage filling of a flow-rate-staged regulating filling gun as claimed in claim 1 or 5, wherein in step E, the proportion of the passage portion closed is 96%.
7. The three-stage filling control method of the filling gun with the flow rate graded adjustment according to claim 1, characterized in that the filling gun with the medium-volume adjusting valve further comprises a support frame (4), the three-position driving mechanism (3) is in bolted connection with the support frame (4), and the three-position driving mechanism (3) is arranged at the upper end; the other end of the support frame (4) is connected with the upper end of the tee joint through a bolt, and the lower end of the tee joint (7) is connected with the lower straight pipe (8) through a flange bolt.
8. The method for controlling the three-stage filling of a filling gun with a step-adjusted flow rate according to claim 7, characterized in that the middle gauge block (6) is fixed to the connecting rod by a snap spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814921.5A CN107420569B (en) | 2017-09-12 | 2017-09-12 | Three-stage filling control method of filling gun with flow graded adjustment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814921.5A CN107420569B (en) | 2017-09-12 | 2017-09-12 | Three-stage filling control method of filling gun with flow graded adjustment |
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| Publication Number | Publication Date |
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| CN107420569A CN107420569A (en) | 2017-12-01 |
| CN107420569B true CN107420569B (en) | 2021-06-25 |
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| CN201710814921.5A Active CN107420569B (en) | 2017-09-12 | 2017-09-12 | Three-stage filling control method of filling gun with flow graded adjustment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108438281B (en) * | 2018-05-06 | 2022-01-18 | 长春融成智能设备制造股份有限公司 | Variable pressure fluid quantity control device based on local constant pressure and accurate quantity control method |
| CN109292128B (en) * | 2018-09-28 | 2023-09-19 | 长春融成智能设备制造股份有限公司 | Explosion-proof servo control system and control method thereof |
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| US6220571B1 (en) * | 1999-01-22 | 2001-04-24 | Samsung Electronics Co., Ltd. | Electronic expansion valve for cooling cycle |
| CN204677864U (en) * | 2015-06-01 | 2015-09-30 | 杭州新纪元安全产品有限公司 | With the gas extinguishing system vessel valve of pressure-reducing function |
| CN106481825A (en) * | 2016-12-08 | 2017-03-08 | 海盐四通管件制造有限公司 | A kind of evacuation negative-pressure type regulating valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295881Y (en) * | 1997-04-04 | 1998-10-28 | 贡永根 | Two speed filling valve for filling apparatus |
| CN202074104U (en) * | 2011-05-30 | 2011-12-14 | 浙江珠宝流体阀业有限公司 | Tank bottom valve |
| CN202594756U (en) * | 2012-03-29 | 2012-12-12 | 苏州威世达测控系统有限公司 | Multi-section flow control filling machine |
| CN203451207U (en) * | 2013-09-16 | 2014-02-26 | 上海小南国海之源餐饮管理有限公司 | Adjustable dosing filling machine |
| CN204897365U (en) * | 2015-07-29 | 2015-12-23 | 李俊 | Accurate filling valve of tertiary liquid / lotion |
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2017
- 2017-09-12 CN CN201710814921.5A patent/CN107420569B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6220571B1 (en) * | 1999-01-22 | 2001-04-24 | Samsung Electronics Co., Ltd. | Electronic expansion valve for cooling cycle |
| CN204677864U (en) * | 2015-06-01 | 2015-09-30 | 杭州新纪元安全产品有限公司 | With the gas extinguishing system vessel valve of pressure-reducing function |
| CN106481825A (en) * | 2016-12-08 | 2017-03-08 | 海盐四通管件制造有限公司 | A kind of evacuation negative-pressure type regulating valve |
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| CN107420569A (en) | 2017-12-01 |
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Address after: 130012 No. 177, Software 3 Road, Changchun High-tech Development Zone, Jilin Province Applicant after: Changchun Rongcheng Intelligent Equipment Manufacturing Co.,Ltd. Applicant after: CHANGCHUN LANZHOU TECHNOLOGY Co.,Ltd. Applicant after: CHANGCHUN ZHIHE INTELLIGENT PACKAGING EQUIPMENT Co.,Ltd. Address before: 130012 No. 177, Software 3 Road, Changchun High-tech Development Zone, Jilin Province Applicant before: CHANGCHUN NORTHERN CHEMICAL FILLING EQUIPMENT Co.,Ltd. Applicant before: CHANGCHUN LANZHOU TECHNOLOGY Co.,Ltd. Applicant before: CHANGCHUN ZHIHE INTELLIGENT PACKAGING EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20221226 Address after: 130102 No. 3088, Zhongsheng Road, Beihu science and Technology Development Zone, Changchun City, Jilin Province Patentee after: Changchun Rongcheng Intelligent Equipment Manufacturing Co.,Ltd. Patentee after: CHANGCHUN LANZHOU TECHNOLOGY Co.,Ltd. Address before: 130012 177 software 3 Road, hi tech Development Zone, Changchun, Jilin Patentee before: Changchun Rongcheng Intelligent Equipment Manufacturing Co.,Ltd. Patentee before: CHANGCHUN LANZHOU TECHNOLOGY Co.,Ltd. Patentee before: CHANGCHUN ZHIHE INTELLIGENT PACKAGING EQUIPMENT Co.,Ltd. |