CN108115921B - Sealing device of bottle blowing machine - Google Patents
Sealing device of bottle blowing machine Download PDFInfo
- Publication number
- CN108115921B CN108115921B CN201810087110.4A CN201810087110A CN108115921B CN 108115921 B CN108115921 B CN 108115921B CN 201810087110 A CN201810087110 A CN 201810087110A CN 108115921 B CN108115921 B CN 108115921B
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- CN
- China
- Prior art keywords
- connecting cylinder
- cylinder body
- bottle blowing
- bottle
- blowing machine
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C2049/4294—Sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7158—Bottles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention relates to the technical field of bottle blowing equipment, in particular to a sealing device of a bottle blowing machine, which comprises a cylinder body, wherein the edge of the lower end of the cylinder body is provided with a convex ring, the lower end surface of the convex ring is provided with an annular groove, and a sealing ring is embedded in the annular groove; the inner cavity of the cylinder body is provided with a connecting cylinder in a sliding way, the outer side surface of the connecting cylinder is in close fit with the side surface of the inner cavity of the cylinder body in a sliding way, and the bottom of the connecting cylinder is provided with a vent hole; be equipped with the transmission depression bar in the connecting cylinder, the bottom fixedly connected with piston assembly of transmission depression bar, the lateral surface of piston assembly and the medial surface slidable closely laminating of connecting cylinder, the bottom of connecting cylinder is connected with reset spring, the inboard of cylinder body is equipped with protruding edge, reset spring is fixed in protruding edge in the one end of connecting cylinder dorsad, the top of transmission depression bar is connected with drive assembly. The invention does not need high-pressure equipment to provide high-pressure gas for bottle blowing, and is safer to use; in addition, the process of entering air into the bottle embryo is more gentle by sectional compressed air, and the bottle blowing quality is effectively improved.
Description
Technical Field
The invention relates to the technical field of bottle blowing equipment, in particular to a sealing device of a bottle blowing machine.
Background
The existing bottle blowing machine adopts high-pressure gas to blow bottles to plastics, but the cost of the high-pressure gas in the processes of preparation, storage and use is higher, a certain safety risk exists, frequent on-off control of the high-pressure gas is needed, the production efficiency is lower, the energy waste is caused to a certain extent, the sealing device of the existing bottle blowing machine is excessively complex in structure, the sealing operation steps are more, the production efficiency is lower, the use requirements of people in production and life are not met, in addition, the existing bottle blowing machine presses the gas at one time, the high-pressure gas is easy to be pressed into bottle blanks instantly, the bottle blanks are inflated unevenly, and the quality of bottle blowing is influenced.
Disclosure of Invention
The invention aims to provide the sealing device of the bottle blowing machine, which improves the processing safety in the bottle blowing process, reduces the energy loss and improves the bottle blowing efficiency and quality.
In order to achieve the above purpose, the invention provides a sealing device of a bottle blowing machine, which comprises a cylinder body, wherein the edge of the lower end of the cylinder body is provided with a convex ring, the lower end surface of the convex ring is provided with an annular groove for nesting a bottle mouth, and a sealing ring is embedded in the annular groove;
the inner cavity of the cylinder body is slidably provided with a connecting cylinder, the outer side surface of the connecting cylinder is in sliding close fit with the side surface of the inner cavity of the cylinder body, and the bottom of the connecting cylinder is provided with a vent hole;
the cylinder is characterized in that a transmission compression bar is arranged in the connecting cylinder, a piston assembly used for blocking the vent holes is fixedly connected to the bottom end of the transmission compression bar, the outer side face of the piston assembly is in sliding close fit with the inner side face of the connecting cylinder, a reset spring is connected to the bottom end of the connecting cylinder, a convex edge used for fixing the reset spring is arranged on the inner side of the cylinder body, one end of the reset spring, which is opposite to the connecting cylinder, is fixed to the convex edge, and a driving assembly used for driving the transmission compression bar to reciprocate in the cylinder body is connected to the top end of the transmission compression bar.
The technical scheme is further improved in that the lower part of the inner cavity of the cylinder body is a frustum-shaped cavity with a wide upper part and a narrow lower part.
The technical scheme is further improved to be that the device further comprises a frame, and the driving assembly is fixed on the frame.
According to the technical scheme, the cylinder is characterized in that a first limiting plate and a second limiting plate are sleeved on the upper portion of the outer side of the cylinder body, a limiting groove is formed between the first limiting plate and the second limiting plate, a mounting plate is clamped in the limiting groove, and two ends of the mounting plate are fixed on the frame.
According to the technical scheme, the driving assembly comprises a driving motor, a driving rod and a limiting sleeve ring, one end of the driving rod is connected with the output end of the driving motor, the other end of the driving rod is clamped on the limiting sleeve ring and reciprocates in the limiting sleeve ring, and the limiting sleeve ring is fixedly connected with one end of the driving pressure rod, which is far away from the piston assembly, of the driving rod.
According to the technical scheme, the limiting sleeve ring is an elliptical ring, and the driving rod is Z-shaped.
According to the technical scheme, the connecting cylinder is characterized in that an annular sealing groove is formed in the outer side face of the connecting cylinder, and a first sealing ring is embedded in the sealing groove.
According to the technical scheme, the piston assembly comprises a second sealing ring and an air plug, the second sealing ring is sleeved on the lower portion of the transmission compression rod and is attached to the inner side of the connecting cylinder, and the air plug is fixed to the bottom end of the transmission compression rod.
According to the technical scheme, the vent hole is a frustum-shaped hole with the upper part wide and the lower part narrow, and the shape of the air plug is matched with that of the vent hole.
The technical scheme is further improved in that a sealing glue ring is sleeved on the inner side of the vent hole.
The invention has the following technical effects:
the bottle blowing machine does not need to be driven by high-pressure gas in the bottle blowing process, meanwhile, the gas for blowing the bottle does not need to be provided by high-pressure equipment, and the air in the cylinder body is compressed into a bottle blank needing bottle blowing operation through the transmission compression bar and the connecting cylinder to realize bottle blowing processing; in addition, the first section of air is pressed in through the slip of transmission connecting rod in the connecting cylinder, this operation makes the comparatively slow pressure of air advance in the bottle embryo, and reset spring withstands the connecting cylinder earlier, prevents that the connecting cylinder from descending in step, when piston assembly jam air vent, then the transmission depression bar drives the connecting cylinder again and slides simultaneously and advance the bottle embryo with the quick pressure of air in the cylinder body, and sectional type compressed air makes the process that the air got into the bottle embryo more moderated, reduces disposable compression and causes the bottle blowing uneven, effectively improves the bottle blowing quality.
Drawings
FIG. 1 is a schematic view of the construction of a preferred embodiment of the present invention;
fig. 2 is an enlarged partial schematic view of a preferred embodiment of the present invention.
Wherein, the cylinder body 1, the convex ring 11, the sealing ring 12, the convex edge 13, the first limiting plate 14, the second limiting plate 15, the connecting cylinder 2, the first sealing ring 21, the sealing rubber ring 22, the transmission compression bar 3, the piston component 4, the second sealing ring 41, the air lock 42, the reset spring 5, the driving component 6, the driving motor 61, the driving rod 62, the limiting collar 63, the frame 7 and the mounting plate 8
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the sealing device of the bottle blowing machine in the preferred embodiment of the invention comprises a cylinder body 1, wherein the edge of the lower end of the cylinder body 1 is provided with a convex ring 11, the lower end surface of the convex ring 11 is provided with an annular groove for nesting a bottle mouth, and a sealing ring 12 is embedded in the annular groove;
the inner cavity of the cylinder body 1 is slidably provided with a connecting cylinder 2, the outer side surface of the connecting cylinder 2 is slidably and tightly attached to the side surface of the inner cavity of the cylinder body 1, and the bottom of the connecting cylinder 2 is provided with a vent hole;
be equipped with transmission depression bar 3 in the connecting cylinder 2, the bottom fixedly connected with of transmission depression bar 3 is used for blocking up the piston assembly 4 of air vent, the lateral surface of piston assembly 4 is closely laminated with the medial surface slidable of connecting cylinder 2, the bottom of connecting cylinder 2 is connected with reset spring 5, the inboard of cylinder body 1 is equipped with the protruding edge 13 that is used for fixed reset spring 5, reset spring 5 is fixed in protruding edge 13 dorsad one end of connecting cylinder 2, the top of transmission depression bar 3 is connected with the drive assembly 6 that is used for driving transmission depression bar 3 reciprocating motion in cylinder body 1.
The bottle blowing machine does not need to be driven by high-pressure gas in the bottle blowing process, meanwhile, the gas for blowing the bottle does not need to be provided by high-pressure equipment, and the air in the cylinder body 1 is compressed into a bottle blank needing bottle blowing operation through the transmission compression bar 3 and the connecting cylinder 2 to realize bottle blowing processing; in addition, the first section of air is pressed in through the sliding of transmission connecting rod in connecting cylinder 2, this operation makes the comparatively slow pressure of air advance in the bottle embryo, reset spring 5 withstands connecting cylinder 2 earlier, prevent that connecting cylinder 2 from descending in step, when piston assembly 4 blocks up the air vent, then transmission depression bar 3 drives connecting cylinder 2 and slides simultaneously and advance the bottle embryo fast with the air in the cylinder body 1, sectional type compressed air makes the process that the air got into the bottle embryo more relaxed, reduces disposable compression and causes the bottle blowing uneven, effectively improves the bottle blowing quality.
As shown in fig. 2, in this embodiment, the lower part of the inner cavity of the cylinder 1 is a frustum-shaped cavity with a wide upper part and a narrow lower part, so that air in the cylinder 1 is concentrated into the bottle blank, and a larger pressure is generated to enter the bottle blank, which is more beneficial to bottle blank molding, and meanwhile, uneven bottle blowing caused by too dispersed air is prevented.
Referring to fig. 1, the bottle blowing machine further comprises a frame 7, and the driving assembly 6 is fixed on the frame 7, so that the bottle blowing machine is convenient to load the bottle blowing machine into different bottle blowing production lines, and has higher flexibility.
In order to enhance the stability of connection between the cylinder body 1 and the frame 7, a first limiting plate 14 and a second limiting plate 15 are sleeved on the upper portion of the outer side of the cylinder body 1, a limiting groove is formed between the first limiting plate 14 and the second limiting plate 15, a mounting plate 8 is clamped in the limiting groove, two ends of the mounting plate 8 are fixed to the frame 7, and the first limiting plate 14 and the second limiting plate 15 are connected with the mounting plate 8 in a plate mode, so that the cylinder body 1 is connected more stably in the axial direction.
The drive assembly 6 includes driving motor 61, actuating lever 62 and spacing lantern ring 63, and actuating lever 62 one end is connected with driving motor 61's output, and spacing lantern ring 63 and in spacing lantern ring 63 reciprocating motion are located to the other end card, and spacing lantern ring 63 and the one end fixed connection that piston assembly 4 was kept away from to transmission depression bar 3, spacing lantern ring 63 are oval ring, and actuating lever 62 is "Z" shape, the cooperation of being convenient for overall arrangement drive assembly 6 and transmission depression bar 3 connection saves space resource.
As shown in fig. 2, in this embodiment, an annular sealing groove is formed in the outer side surface of the connecting cylinder 2, and a second sealing ring 4121 is embedded in the sealing groove, so that the sealing degree of the inner cavity of the cylinder body 1 is increased, and the stability of gas entering the bottle blank in the bottle blowing process is improved.
The piston assembly 4 comprises a second sealing ring and an air plug 42, the second sealing ring is sleeved on the lower portion of the transmission compression rod 3 and is attached to the inner side of the connecting cylinder 2, the air plug 42 is fixed to the bottom end of the transmission compression rod 3, stability of air in the connecting cylinder 2 during the first stage of bottle blowing is enhanced, air leakage is prevented, incomplete bottle blowing is caused, and stability of bottle blowing is further enhanced.
Specifically, the vent hole is a frustum-shaped hole with a wide upper part and a narrow lower part, the shape of the air plug 42 is matched with the shape of the vent hole, on one hand, when the air plug 42 blocks the vent hole, the air plug 42 is tightly attached to the side wall of the vent hole, so that gas leakage is further placed, and on the other hand, the air pressure of gas extrusion in the connecting cylinder 2 is improved.
Specifically, the inner side of the vent hole is sleeved with a sealant ring 22, so that the sealing degree of the vent hole blocked by the air plug 42 is further enhanced.
The working principle of the invention is as follows:
when the blowing device works, bottle blanks loaded on the blowing clamp move to the lower part of the cylinder body 1 through the feeding mechanism and are lifted upwards, in the lifting process, the bottle mouth of the bottle blanks is connected to the annular groove, the inner cavity of the cylinder body 1 and the bottle blanks form a closed space, the driving motor 61 drives the transmission pressing rod 3 to move downwards through the driving rod 62 and the limiting collar 63 in the rotating process, air in the connecting cylinder 2 is pressed out, the connecting cylinder 2 is kept in place under the action of the reset spring 5, after the piston assembly 4 at the bottom end of the transmission pressing rod 3 blocks the vent holes, the transmission pressing rod 3 drives the connecting cylinder 2 to move downwards together, the connecting cylinder 2 presses the air in the cylinder body 1 into the bottle blanks, after bottle blowing is completed, the feeding mechanism drives the bottle blanks to be away from the cylinder body 1, the transmission pressing rod 3 ascends under the driving of the driving motor 61, the connecting cylinder 2 resets under the action of the reset spring 5, meanwhile, the cylinder body 1 and the connecting cylinder 2 are refilled with air, and the bottle is waited for the next time.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (8)
1. The sealing device of the bottle blowing machine comprises a cylinder body (1) and is characterized in that a convex ring (11) is arranged at the edge of the lower end of the cylinder body (1), an annular groove for nesting bottle openings is formed in the lower end face of the convex ring (11), and a sealing ring (12) is embedded in the annular groove;
the inner cavity of the cylinder body (1) is slidably provided with a connecting cylinder (2), the outer side surface of the connecting cylinder (2) is in sliding close fit with the side surface of the inner cavity of the cylinder body (1), and the bottom of the connecting cylinder (2) is provided with a vent hole;
the connecting cylinder is characterized in that a transmission pressure rod (3) is arranged in the connecting cylinder (2), the bottom end of the transmission pressure rod (3) is fixedly connected with a piston assembly (4) for blocking a vent hole, the outer side face of the piston assembly (4) is in sliding close fit with the inner side face of the connecting cylinder (2), the bottom end of the connecting cylinder (2) is connected with a reset spring (5), the inner side of the cylinder body (1) is provided with a convex edge (13) for fixing the reset spring (5), one end of the reset spring (5) back to the connecting cylinder (2) is fixed on the convex edge (13), and the top end of the transmission pressure rod (3) is connected with a driving assembly (6) for driving the transmission pressure rod (3) to reciprocate in the cylinder body (1);
the lower part of the inner cavity of the cylinder body (1) is a frustum-shaped cavity with wide upper part and narrow lower part;
the device also comprises a frame (7), and the driving assembly (6) is fixed on the frame (7).
2. The sealing device of a bottle blowing machine according to claim 1, wherein a first limiting plate (14) and a second limiting plate (15) are sleeved on the upper portion of the outer side of the cylinder body (1), a limiting groove is formed between the first limiting plate (14) and the second limiting plate (15), a mounting plate (8) is clamped in the limiting groove, and two ends of the mounting plate (8) are fixed on the frame (7).
3. The sealing device of a bottle blowing machine according to claim 1, wherein the driving assembly (6) comprises a driving motor (61), a driving rod (62) and a limiting collar (63), one end of the driving rod (62) is connected with the output end of the driving motor (61), the other end of the driving rod is clamped on the limiting collar (63) and reciprocates in the limiting collar (63), and the limiting collar (63) is fixedly connected with one end, far away from the piston assembly (4), of the transmission compression rod (3).
4. A bottle-blowing machine closure device according to claim 3, wherein the stop collar (63) is an elliptical ring and the drive rod (62) is "Z" -shaped.
5. The sealing device of the bottle blowing machine according to claim 1, wherein the outer side surface of the connecting cylinder (2) is provided with an annular sealing groove, and the sealing groove is embedded with a first sealing ring (21).
6. The sealing device of the bottle blowing machine according to claim 1, wherein the piston assembly (4) comprises a second sealing ring (41) and an air plug (42), the second sealing ring (41) is sleeved at the lower part of the transmission compression rod (3) and is attached to the inner side of the connecting cylinder (2), and the air plug (42) is fixed at the bottom end of the transmission compression rod (3).
7. The bottle blowing machine of claim 6, wherein the vent hole is a frustum-shaped hole with a wide upper part and a narrow lower part, and the shape of the air plug is matched with the shape of the vent hole.
8. The bottle blowing machine sealing device according to claim 7, wherein the inner side of the vent hole is sleeved with a sealing glue ring (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087110.4A CN108115921B (en) | 2018-01-30 | 2018-01-30 | Sealing device of bottle blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087110.4A CN108115921B (en) | 2018-01-30 | 2018-01-30 | Sealing device of bottle blowing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108115921A CN108115921A (en) | 2018-06-05 |
| CN108115921B true CN108115921B (en) | 2023-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810087110.4A Active CN108115921B (en) | 2018-01-30 | 2018-01-30 | Sealing device of bottle blowing machine |
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| Country | Link |
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| CN (1) | CN108115921B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0352130A2 (en) * | 1988-07-22 | 1990-01-24 | Mitsui Petrochemical Industries, Ltd. | Method of blow-moulding a flat container having portions with differing wall thicknesses |
| DE4416262C1 (en) * | 1994-05-07 | 1995-05-11 | Mueller Kg W | Apparatus for fastening a blow pin of a hollow-article blow-moulding machine |
| CN2626711Y (en) * | 2003-08-01 | 2004-07-21 | 蔡桂森 | Stretching and sealing mechanism of bottle blowing machine |
| CN205097523U (en) * | 2015-11-09 | 2016-03-23 | 江苏新美星包装机械股份有限公司 | Bottle blowing machine seals mechanism |
| CN106671394A (en) * | 2017-01-12 | 2017-05-17 | 江苏新美星液体包装工程技术研究中心有限公司 | Blank-free and bottle-blowing-free device |
| CN207901650U (en) * | 2018-01-30 | 2018-09-25 | 广州大学 | The closing device of bottle blowing machine |
-
2018
- 2018-01-30 CN CN201810087110.4A patent/CN108115921B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0352130A2 (en) * | 1988-07-22 | 1990-01-24 | Mitsui Petrochemical Industries, Ltd. | Method of blow-moulding a flat container having portions with differing wall thicknesses |
| DE4416262C1 (en) * | 1994-05-07 | 1995-05-11 | Mueller Kg W | Apparatus for fastening a blow pin of a hollow-article blow-moulding machine |
| CN2626711Y (en) * | 2003-08-01 | 2004-07-21 | 蔡桂森 | Stretching and sealing mechanism of bottle blowing machine |
| CN205097523U (en) * | 2015-11-09 | 2016-03-23 | 江苏新美星包装机械股份有限公司 | Bottle blowing machine seals mechanism |
| CN106671394A (en) * | 2017-01-12 | 2017-05-17 | 江苏新美星液体包装工程技术研究中心有限公司 | Blank-free and bottle-blowing-free device |
| CN207901650U (en) * | 2018-01-30 | 2018-09-25 | 广州大学 | The closing device of bottle blowing machine |
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| Publication number | Publication date |
|---|---|
| CN108115921A (en) | 2018-06-05 |
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