CN114132879A - Oral liquid bottle pneumatic plugging method - Google Patents
Oral liquid bottle pneumatic plugging method Download PDFInfo
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- CN114132879A CN114132879A CN202010920079.5A CN202010920079A CN114132879A CN 114132879 A CN114132879 A CN 114132879A CN 202010920079 A CN202010920079 A CN 202010920079A CN 114132879 A CN114132879 A CN 114132879A
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- positioning
- oral liquid
- negative pressure
- cavity
- positioning cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B1/00—Closing bottles, jars or similar containers by applying stoppers
Abstract
The invention provides a pneumatic plugging method for an oral liquid bottle, belonging to the technical field of oral liquid production. The oral liquid bottle pneumatic plug adding equipment comprises a rack, a mounting plate, a shell fixed on the mounting plate, a fixed sleeve fixed in the shell, a pneumatic valve, a positioning cylinder sliding in the fixed sleeve, a piston sliding in the positioning cylinder, a guide pillar connected with the upper end of the piston and a translation structure controlling the mounting plate to move longitudinally relative to the rack.
Description
Technical Field
The invention belongs to the technical field of oral liquid production, and relates to a pneumatic plug adding method for an oral liquid bottle.
Background
The oral liquid is prepared by taking traditional Chinese medicine decoction as a basic solution and preparing a certain amount of traditional Chinese medicine extracts, flavoring agents and the like, the production process of the oral liquid is complex, particularly the plugging process, the prior art basically positions a rubber plug and a bottle body and presses the rubber plug into an opening of the bottle body through a pressing mechanism, and as the volume of a part without liquid in the bottle body after the rubber plug is inserted is more than half of that of a container without liquid in the bottle body before the rubber plug is inserted, the rubber plug realizes better sealing with the inner wall of the bottle body at the initial stage of the opening of the bottle body, namely the rubber plug needs to compress the air above the liquid level of the bottle body to within half in the inserting process, the large air compression resistance needs to be overcome, the pressing force needed by directly adopting a mechanical pressing mode to overcome the large air compression resistance and the friction resistance between the rubber plug and the inner wall of the bottle body, the positioning precision of the bottle body, The positioning accuracy of the rubber plug has very high requirements, otherwise the bottle body is damaged due to uneven longitudinal external force.
Disclosure of Invention
The invention aims to provide a pneumatic plugging method for an oral liquid bottle aiming at the problems in the prior art, and the technical problem to be solved by the invention is how to continuously plug the oral liquid bottle in a pneumatic mode so as to reduce the possibility of the damaged bottle body.
The purpose of the invention can be realized by the following technical scheme: the oral liquid bottle pneumatic plugging method is characterized by comprising oral liquid bottle pneumatic plugging equipment, wherein the oral liquid bottle pneumatic plugging equipment comprises a rack, a mounting plate, an outer shell fixed on the mounting plate, a fixed sleeve fixed in the outer shell, a positioning cylinder sliding in the fixed sleeve, a piston sliding in the positioning cylinder, a guide pillar connected with the upper end of the piston and a translation structure controlling the mounting plate to move longitudinally relative to the rack, the upper end of the outer shell is sealed by an end cover, a guide hole matched with the guide pillar is formed in the end cover, a positioning notch matched with an end cap of a rubber plug is formed in the lower end of the positioning cylinder, the positioning notch is communicated with the positioning cylinder, a bottle body positioning cover is fixedly arranged at the lower end of the outer shell, and an annular air bag is arranged on the inner wall of the bottle body positioning cover; an air valve which can enable the negative pressure control cavity to be communicated with the outside is arranged on the outer shell;
a negative pressure control cavity is formed in the outer shell above the piston, a pressurizing cavity is formed between the positioning cylinder and the outer shell, the piston and the rubber plug respectively seal the upper end and the lower end of the positioning cylinder to form a closed driving cavity, a first reset spring is connected between the piston and the end cover, a second reset spring positioned in the pressurizing cavity is connected between the positioning cylinder and the fixed sleeve, a vacuum cavity is formed in the bottle body positioning cover after the air bag and the oral liquid bottle body are sealed, the vacuum cavity is communicated with the pressurizing cavity through an air pipe, and the negative pressure control cavity is connected with a negative pressure air source;
the plug adding equipment further comprises a turntable, a plurality of bottle body clamps are uniformly arranged on the turntable in the circumferential direction, a positioning column is arranged between every two adjacent bottle body clamps, and a positioning die capable of positioning the head of the rubber plug is arranged at the top of the positioning column;
the plugging method comprises the following steps:
A. the rotating disc is controlled to rotate, so that the positioning column carrying the rubber plug is positioned below the outer shell, the translation structure drives the outer shell to move downwards to the positioning notch to be close to the rubber plug, the negative pressure air source starts to vacuumize the negative pressure control cavity, the piston overcomes the first return spring to move upwards under the action of negative pressure, and the rubber plug is adsorbed at the lower end of the positioning cylinder under the action of negative pressure in the driving cavity;
B. the translation structure drives the outer shell to move upwards to the position, above the positioning column, of the bottle body positioning cover, the rotary table is controlled to rotate, so that the bottle body clamp close to the positioning column carries the filled oral liquid bottle to move to the position right below the bottle body positioning cover, and the translation structure drives the outer shell to move downwards to the position, above the upper half section, of the bottle body of the oral liquid, wrapped by the bottle body positioning cover;
C. the continuous negative pressure of the negative pressure control cavity enables the positioning cylinder to move upwards, the compressed gas of the pressurization cavity enters the air bag through the air pipe, and the air bag expands to be tightly wrapped on the oral liquid bottle body, so that the vacuum cavity is sealed; then, the piston moves upwards to a separation positioning cylinder under the action of negative pressure in the negative pressure control cavity, and the positioning cylinder moves upwards quickly to form negative pressure in the vacuum cavity as the driving cavity is directly communicated with the negative pressure control cavity;
D. the air valve is opened to communicate the negative pressure control cavity with the outside, the second reset spring resets to enable the positioning cylinder to carry the rubber plug to rapidly move downwards to the position where the rubber plug is partially inserted into the opening of the oral liquid bottle, meanwhile, the first reset spring resets to enable the piston to be rapidly inserted into the positioning cylinder, pressure for further inserting the rubber plug into the opening of the oral liquid bottle is formed in the positioning cylinder, the air pressure in the air bag is gradually reduced due to the increase of the volume of the pressurization cavity in the process, and the oral liquid bottle is separated from the clamping of the air bag;
E. the turntable is inching rotated under the condition of continuous feeding, and the continuous plugging operation of the oral liquid bottle can be realized by repeating the steps.
In the step A, the negative pressure air source starts to vacuumize the negative pressure control cavity, the compression surface of the piston is far larger than that of the positioning cylinder, and the piston acts firstly, so that the rubber plug can be adsorbed and positioned.
In the step B and the step C, after the first return spring is compressed to a certain degree, the pressure required by continuous compression is larger, the positioning cylinder starts to move upwards to compress the pressurization cavity, so that the air bag expands to clamp the oral liquid bottle, after the pressure of the pressurization cavity reaches a certain value, the negative pressure in the negative pressure control cavity continuously acts to enable the first return spring to be continuously compressed, and the piston gradually separates from the positioning cylinder; after the piston is separated from the positioning cylinder, the positioning cylinder moves up rapidly due to the plugging of the rubber plug at the lower end of the positioning cylinder, and at the moment, the first return spring and the second return spring are both compressed to form subsequent force storage for driving the rubber plug into the opening of the oral liquid bottle.
In the step D, before the air valve is opened, the pressure balance is maintained between the negative pressure control cavity and the vacuum cavity under the condition that the first return spring and the second return spring are compressed, at the moment when the air valve is opened, the pressure in the vacuum cavity is far smaller than that in the negative pressure control cavity, and the restoring forces of the first return spring and the second return spring are added, so that the positioning cylinder moves downwards rapidly, the rubber plug is pressed into the opening of the oral liquid bottle, in the process, the first return spring resets to enable the piston to move downwards and compress the inner cavity of the positioning cylinder, the rubber plug is further pressed into the opening of the oral liquid bottle under the action of air pressure, the secondary pressing of the rubber plug is completed, and the positive position of the rubber plug is ensured.
The plugging method has the following advantages:
1. the mode that moves down through a location section of thick bamboo realizes tentatively impressing of plug, the impact force between this in-process location section of thick bamboo and the oral liquid bottle is less, the piston moves down and orders about in the plug is further impressed the opening of oral liquid bottle, this in-process is pure pneumatic effect, and just after the plug is just normal, the plug breaks away from a location section of thick bamboo lower extreme, the atmospheric pressure of effect on the plug disappears in the twinkling of an eye, it is long when having shortened the plug pressurized, have fine guard action to the oral liquid bottle, the impaired probability of oral liquid bottle stopper adding in-process has been reduced.
2. The rubber plug is driven to move downwards under the condition that a certain vacuum degree is formed in the vacuum cavity, at the moment, the inner cavity of the bottle body above the liquid level of the oral liquid bottle also has a corresponding vacuum degree, the rubber plug can be sucked when entering, the pressure required by pressing the rubber plug into the oral liquid bottle is reduced, and the acting force is smaller, so that the protection effect of the oral liquid bottle is better.
3. The device adopts a single air source, firstly clamps the oral liquid bottle through the air bag under the synergistic effect, seals the vacuum cavity, then vacuumizes the vacuum cavity, realizes continuous action in cooperation with the plugging process, and has the advantages of simple structure, small size, simple control and the like.
4. The oral liquid bottle is positioned through the air bag, after the lower half of the oral liquid bottle is initially positioned, the stability and the clamping effect of the oral liquid bottle can be improved, and the soft clamping mode of the air bag effectively avoids the damage and the abrasion of a traditional clamping piece to the oral liquid bottle; the clamping is reliable and the separation is thorough.
Drawings
Fig. 1 is a top view of a turntable.
Fig. 2 is a sectional view of the main structure of the plugging apparatus.
Fig. 3 is a sectional view of the main structure of the plugging device when the rubber plug is adsorbed at the lower end of the positioning cylinder.
Fig. 4 is a sectional view of the main structure of the plugging device after the oral liquid bottle is preliminarily positioned.
Fig. 5 is a sectional view of the main structure of the stopper device when the oral liquid bottle body is tightly held.
Fig. 6 is a sectional view of the main structure of the plugging device when the rubber plug is preliminarily pressed into the opening of the oral liquid bottle.
Fig. 7 is a sectional view of the main structure of the plugging device when the rubber plug is completely pressed into the opening of the oral liquid bottle.
Fig. 8 is an enlarged view of a portion X in fig. 2.
In the figure, 1, a turntable; 11. a bottle body clamp; 12. a positioning column; 21. an outer housing; 22. fixing a sleeve; 23. a positioning cylinder; 24. a piston; 25. a guide post; 26. an end cap; 27. a guide hole; 28. a bottle body positioning cover; 29. an air bag; 3. a gas valve; 41. a negative pressure control chamber; 42. a pressurizing cavity; 43. a first return spring; 44. a vacuum chamber; 45. an air tube; 46. a second return spring; 47. a drive chamber; 5. a rubber plug; 6. oral liquid bottle.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, 2 and 8, the device comprises an oral liquid bottle pneumatic plugging device, the oral liquid bottle pneumatic plugging device comprises a rack, a mounting plate, an outer shell 21 fixed on the mounting plate, a fixing sleeve 22 fixed in the outer shell 21, a positioning cylinder 23 sliding in the fixing sleeve 22, a piston 24 sliding in the positioning cylinder 23, a guide post 25 connected with the upper end of the piston 24 and a translation structure controlling the mounting plate to move longitudinally relative to the rack, the upper end of the outer shell 21 is sealed by an end cover 26, the end cover 26 is provided with a guide hole 27 matched with the guide post 25, the lower end of the positioning cylinder 23 is provided with a positioning notch matched with an end cap of a rubber plug 5, the positioning notch is communicated with the positioning cylinder 23, the lower end of the outer shell 21 is fixedly provided with a bottle body positioning cover 28, and the inner wall of the bottle body positioning cover 28 is provided with an annular air bag 29; the outer shell 21 is provided with an air valve 3 which can enable the negative pressure control cavity 41 to be communicated with the outside;
a negative pressure control cavity 41 is formed in the outer shell 21 above the piston 24, a pressurizing cavity 42 is formed between the positioning cylinder 23 and the outer shell 21, the piston 24 and the rubber plug 5 respectively block the upper end and the lower end of the positioning cylinder 23 to form a closed driving cavity 47, a first return spring 43 is connected between the piston 24 and the end cover 26, a second return spring 46 positioned in the pressurizing cavity 42 is connected between the positioning cylinder 23 and the fixed sleeve 22, a vacuum cavity 44 is formed in the bottle body positioning cover 28 after the air bag 29 and the oral liquid bottle 6 are sealed, the vacuum cavity 44 is communicated with the pressurizing cavity 42 through an air pipe 45, and the negative pressure control cavity 41 is connected with a negative pressure air source
The plugging device also comprises a turntable 1, a plurality of bottle body clamps 11 are uniformly arranged on the turntable 1 in the circumferential direction, a positioning column 12 is arranged between every two adjacent bottle body clamps 11, and a positioning die capable of positioning the head of the rubber plug 5 is arranged at the top of each positioning column 12;
the plugging method comprises the following steps:
A. the turntable 1 is controlled to rotate, so that the positioning column 12 carrying the rubber plug 5 is positioned below the outer shell 21, the translation structure drives the outer shell 21 to move downwards to the positioning notch to be close to the rubber plug 5, the negative pressure air source starts to vacuumize the negative pressure control cavity 41, the piston 24 overcomes the first return spring 43 to move upwards under the action of negative pressure, and the rubber plug 5 is adsorbed at the lower end of the positioning cylinder 23 under the action of negative pressure in the driving cavity 47, as shown in fig. 3;
B. the translation structure drives the outer shell 21 to move upwards to the bottle body positioning cover 28 to be positioned above the positioning column 12, the rotary table 1 is controlled to rotate to enable the bottle body clamp 11 close to the positioning column 12 to carry the filled oral liquid bottle 6 to move right below the bottle body positioning cover 28, and the translation structure drives the outer shell 21 to move downwards to the bottle body positioning cover 28 to wrap the upper half section of the oral liquid bottle 6, as shown in fig. 4;
C. the continuous negative pressure of the negative pressure control cavity 41 causes the positioning cylinder 23 to move upwards, the compressed gas of the pressurization cavity 42 enters the air bag 29 through the air pipe 45, the air bag 29 expands to tightly wrap the oral liquid bottle 6, and the vacuum cavity 44 is sealed; subsequently, the piston 24 moves up to the detaching positioning cylinder 23 by the negative pressure in the negative pressure control chamber 41, and the positioning cylinder 23 moves up rapidly due to the direct communication between the driving chamber 47 and the negative pressure control chamber 41, and the negative pressure is formed in the vacuum chamber 44, as shown in fig. 5 and 6;
D. the air valve 3 is opened to communicate the negative pressure control cavity 41 with the outside, the second return spring 46 is reset to enable the positioning cylinder 23 to carry the rubber plug 5 to rapidly move downwards to the position where the rubber plug 5 is partially inserted into the opening of the oral liquid bottle 6, meanwhile, the first return spring 43 is reset to enable the piston 24 to be rapidly inserted into the positioning cylinder 23, pressure for further inserting the rubber plug 5 into the opening of the oral liquid bottle 6 is formed in the positioning cylinder 23, the air pressure in the air bag 29 is gradually reduced due to the increase of the volume of the pressurization cavity 42 in the process, and the oral liquid bottle 6 is separated from the clamping of the air bag 29, as shown in fig. 7;
E. the rotary disc 1 is inching rotated under the condition of continuous feeding, and the continuous plugging operation of the oral liquid bottle 6 can be realized by repeating the steps.
In the step a, the negative pressure air source starts to vacuumize the negative pressure control cavity 41, the pressure receiving surface of the piston 24 is far larger than that of the positioning cylinder 23, and the piston 24 acts first, so that the rubber plug 5 can be adsorbed and positioned.
In the step B and the step C, after the first return spring 43 is compressed to a certain degree, the pressure required by the continuous compression is larger, the positioning cylinder 23 starts to move upwards, the pressurizing cavity 42 is compressed, the air bag 29 is expanded to clamp the oral liquid bottle 6, after the pressure of the pressurizing cavity 42 reaches a certain value, the negative pressure in the negative pressure control cavity 41 continues to act to enable the first return spring 43 to be compressed, and the piston 24 gradually disengages from the positioning cylinder 23; after the piston 24 is separated from the positioning cylinder 23, the positioning cylinder 23 moves up rapidly due to the lower end of the positioning cylinder 23 being blocked by the rubber plug 5, and at this time, the first return spring 43 and the second return spring 46 are both compressed, thereby forming a subsequent force storage for driving the rubber plug 5 into the opening of the oral liquid bottle 6.
In the step D, before the air valve 3 is opened, the pressure balance between the negative pressure control chamber 41 and the vacuum chamber 44 is maintained under the condition that the first return spring 43 and the second return spring 46 are compressed, at the moment when the air valve 3 is opened, the pressure in the vacuum chamber 44 is much smaller than that in the negative pressure control chamber 41, and the restoring forces of the first return spring 43 and the second return spring 46 are added, so that the positioning cylinder 23 rapidly moves down, and the rubber plug 5 is pressed into the opening of the oral liquid bottle 6, in this process, while the rubber plug 5 is preliminarily pressed into the oral liquid bottle 6 by the downward movement of the positioning cylinder 23, the first return spring 43 resets to move the piston 24 down, and the inner chamber of the positioning cylinder 23 is compressed, so that the rubber plug 5 is further pressed into the opening of the oral liquid bottle 6 under the action of air pressure, and the secondary pressing of the rubber plug 5 is completed, and the positive position of the rubber plug 5 is ensured.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (1)
1. The oral liquid bottle pneumatic plugging method is characterized by comprising oral liquid bottle pneumatic plugging equipment, wherein the oral liquid bottle pneumatic plugging equipment comprises a rack, a mounting plate, an outer shell (21) fixed on the mounting plate, a fixed sleeve (22) fixed in the outer shell (21), a positioning cylinder (23) sliding in the fixed sleeve (22), a piston (24) sliding in the positioning cylinder (23), a guide post (25) connected with the upper end of the piston (24) and a translation structure controlling the mounting plate to longitudinally move relative to the rack, the upper end of the outer shell (21) is sealed by an end cover (26), a guide hole (27) matched with the guide post (25) is formed in the end cover (26), a positioning notch matched with an end cap of a rubber plug (5) is formed in the lower end of the positioning cylinder (23) and communicated with the positioning cylinder (23), a bottle body positioning cover (28) is fixedly arranged at the lower end of the outer shell (21), the inner wall of the bottle body positioning cover (28) is provided with an annular air bag (29); the outer shell (21) is provided with an air valve (3) which can enable the negative pressure control cavity (41) to be communicated with the outside;
a negative pressure control cavity (41) is formed in the outer shell (21) above the piston (24), a pressurizing cavity (42) is formed between the positioning cylinder (23) and the outer shell (21), the piston (24) and the rubber plug (5) respectively plug the upper end and the lower end of the positioning cylinder (23) to form a sealed driving cavity (47), a first return spring (43) is connected between the piston (24) and the end cover (26), a second return spring (46) positioned in the pressurizing cavity (42) is connected between the positioning cylinder (23) and the fixing sleeve (22), a vacuum cavity (44) is formed in the bottle body positioning cover (28) after the air bag (29) and the oral liquid bottle (6) are sealed, the vacuum cavity (44) is communicated with the pressurizing cavity (42) through an air pipe (45), and the negative pressure control cavity (41) is connected with a negative pressure air source;
the plug adding equipment further comprises a turntable (1), a plurality of bottle body clamps (11) are uniformly arranged on the turntable (1) in the circumferential direction, a positioning column (12) is arranged between every two adjacent bottle body clamps (11), and a positioning die capable of positioning the head of the rubber plug (5) is arranged at the top of the positioning column (12);
the plugging method comprises the following steps:
A. the control turntable (1) rotates to enable the positioning column (12) carrying the rubber plug (5) to be positioned below the outer shell (21), the translation structure drives the outer shell (21) to move downwards to the positioning notch to be close to the rubber plug (5), the negative pressure air source starts to vacuumize the negative pressure control cavity (41), the piston (24) overcomes the first return spring (43) to move upwards under the action of negative pressure, and the rubber plug (5) is adsorbed at the lower end of the positioning cylinder (23) under the action of negative pressure in the driving cavity (47);
B. the translation structure drives the outer shell (21) to move upwards to the bottle body positioning cover (28) to be positioned above the positioning column (12), the turntable (1) is controlled to rotate to enable the bottle body clamp (11) close to the positioning column (12) to carry the filled oral liquid bottle (6) to move to the position right below the bottle body positioning cover (28), and the translation structure drives the outer shell (21) to move downwards to the upper half section of the bottle body positioning cover (28) to wrap the oral liquid bottle (6);
C. the continuous negative pressure of the negative pressure control cavity (41) enables the positioning cylinder (23) to move upwards, the compressed gas of the pressurization cavity (42) enters the air bag (29) through the air pipe (45), and the air bag (29) is expanded to tightly wrap the oral liquid bottle (6) body, so that the vacuum cavity (44) is sealed; then, the piston (24) moves upwards to separate the positioning cylinder (23) under the action of negative pressure in the negative pressure control cavity (41), and the positioning cylinder (23) moves upwards rapidly to form negative pressure in the vacuum cavity (44) as the driving cavity (47) is directly communicated with the negative pressure control cavity (41);
D. the air valve (3) is opened to enable the negative pressure control cavity (41) to be communicated with the outside, the second reset spring (46) resets to enable the positioning cylinder (23) to carry the rubber plug (5) to rapidly move downwards to the position where the rubber plug (5) is partially inserted into the opening of the oral liquid bottle (6), meanwhile, the first reset spring (43) resets to enable the piston (24) to be rapidly inserted into the positioning cylinder (23), pressure for further inserting the rubber plug (5) into the opening of the oral liquid bottle (6) is formed in the positioning cylinder (23), the air pressure in the air bag (29) is gradually reduced due to the increase of the volume of the pressurization cavity (42) in the process, and the oral liquid bottle (6) is separated from the clamping of the air bag (29);
E. the rotary disc (1) is inching rotated under the condition of continuous feeding, and the continuous plugging operation of the oral liquid bottle (6) can be realized by repeating the steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010920079.5A CN114132879B (en) | 2020-09-04 | 2020-09-04 | Oral liquid bottle pneumatic plug adding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010920079.5A CN114132879B (en) | 2020-09-04 | 2020-09-04 | Oral liquid bottle pneumatic plug adding method |
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| Publication Number | Publication Date |
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| CN114132879A true CN114132879A (en) | 2022-03-04 |
| CN114132879B CN114132879B (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010920079.5A Active CN114132879B (en) | 2020-09-04 | 2020-09-04 | Oral liquid bottle pneumatic plug adding method |
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| CN (1) | CN114132879B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114869153A (en) * | 2022-05-07 | 2022-08-09 | 陈庆 | Large-capacity storage box for granular condiments |
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| CN114869153A (en) * | 2022-05-07 | 2022-08-09 | 陈庆 | Large-capacity storage box for granular condiments |
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| CN114132879B (en) | 2022-11-29 |
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