CN115958771A - Driving mechanism for opening and closing of die carrier - Google Patents
Driving mechanism for opening and closing of die carrier Download PDFInfo
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- CN115958771A CN115958771A CN202211572696.6A CN202211572696A CN115958771A CN 115958771 A CN115958771 A CN 115958771A CN 202211572696 A CN202211572696 A CN 202211572696A CN 115958771 A CN115958771 A CN 115958771A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000009415 formwork Methods 0.000 claims abstract description 35
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 9
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009416 shuttering Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention discloses a driving mechanism for opening and closing a mold frame, wherein a driving piece is driven to rotate by a roller along the rolling of a mold opening and closing cam, and the driving piece is driven to rotate by a fourth connecting rod, a first connecting rod and a second connecting rod which are arranged between the driving piece and a first mold shell and a third connecting rod which is arranged between the driving piece and a second mold shell; the stress condition of the formwork is improved, the elastic deformation of the formwork is reduced, and the running stability of the formwork is improved; the mould locking structure is omitted, the mould locking action is completed by adopting the self-locking of the mechanism, the moving parts are reduced, and the moving performance of the mould shell is improved.
Description
Technical Field
The invention relates to the technical field of bottle blowing, in particular to a driving mechanism for opening and closing a mold frame.
Background
Along with the development of the rotary bottle blowing machine, the requirement on the production efficiency of the bottle blowing machine is higher and higher, and the trend of the development of the rotary bottle blowing machine is to improve the bottle blowing quantity of a single mold per hour.
The problems of the existing double-die-opening die carrier are as follows: (1) The structure is complex, the precision requirement of the opening and closing lock structure on the formwork is very high, and the operation stability restricts the high-speed stable operation of the equipment; (2) The existing mold shell needs high-pressure air compensation during blowing, and the force generated by the existing mold shell is very large, so that the stress condition of the mold shell is poor and the deformation is large.
Disclosure of Invention
The invention aims to provide a driving mechanism for opening and closing a die carrier, which can realize die assembly self-locking and compensation, die opening self-unlocking and compensation elimination, has a simple structure, improves the stress condition of a die shell, and improves the motion performance and the motion stability of the die shell.
In order to achieve the purpose, the invention adopts the technical scheme that:
a drive mechanism for opening and closing of a mold frame is arranged on a frame and can rotate relative to an opening and closing cam, and the drive mechanism comprises:
one end of the first connecting rod is rotatably connected to the first formwork around a first axial line, one end of the second connecting rod is rotatably connected to the rack around a second axial line, and the other end of the first connecting rod is rotatably connected with the other end of the second connecting rod around a third axial line;
one end of the third connecting rod is rotatably connected to the second mould shell around a fourth axial lead, the driving part is rotatably connected to the rack around a fifth axial lead, and the other end of the third connecting rod is rotatably connected with the driving part around a sixth axial lead;
a fourth connecting rod, one end of which is rotatably connected to the first connecting rod or the second connecting rod around a seventh axis, and the other end of which is rotatably connected to the driving member around an eighth axis;
a roller connected to the driving member and rotatable about a ninth axis, the roller being abutted against the mold opening and closing cam through an outer peripheral portion of the roller;
the fifth axial lead and the sixth axial lead are respectively and vertically intersected with a first straight line, the fifth axial lead and the eighth axial lead are respectively and vertically intersected with a second straight line, the first formwork and the second formwork are respectively and rotatably connected to the rack around a tenth axial lead, and when the first formwork and the second formwork are in a mold closing position:
the first connecting rod is parallel to the second connecting rod, the third connecting rod is parallel to the first straight line, and the fourth connecting rod is parallel to the second straight line;
or the first connecting rod is intersected with the second connecting rod, the third connecting rod is intersected with the first straight line, the fourth connecting rod is intersected with the second straight line, a limiting part for blocking the driving part to continuously rotate along the die closing direction from the die closing position is arranged on the rack, and an elastic component for elastically abutting against the fourth connecting rod to enable the first die shell and the second die shell to be kept at the die closing position is further arranged on the rack.
Preferably, the third axis and the seventh axis coincide.
Preferably, the elastic component is used for providing an elastic restoring force for driving the driving member to elastically abut against the limiting member.
Preferably, when the driving element rotates around the fifth axis in the positive direction, the driving element is used for driving the first formwork to rotate and open the formwork through the fourth connecting rod and the first connecting rod, and the driving element is also used for driving the second formwork to rotate and open the formwork through the third connecting rod;
when the driving part rotates reversely around the fifth axis, the driving part is used for driving the first formwork to rotate and mold through the fourth connecting rod and the first connecting rod, and the driving part is also used for driving the second formwork to rotate and mold through the third connecting rod.
More preferably, the limiting member is located at a front side of the reverse rotation path of the driving member, and the limiting member is configured to abut against the driving member after the driving member rotates in the reverse direction until a first included angle between the third link and the first straight line is reduced from greater than 180 ° to less than 180 °.
Still further preferably, the limiting member is further configured to abut against the driving member before the driving member reversely rotates until the second included angle between the first link and the second link increases to 180 °.
Still further preferably, the limiting member is further configured to abut against the driving member before the driving member reversely rotates until a third included angle between the fourth connecting rod and the second straight line increases to 180 °.
More preferably, when the driving element rotates around the fifth axis in the positive direction, the third axis and the sixth axis are relatively close to each other; when the driving piece rotates around the fifth axis in the opposite direction, the third axis and the sixth axis are relatively far away.
Preferably, the first axis, the second axis, the third axis, the fourth axis, the fifth axis, the sixth axis, the seventh axis, the eighth axis, the ninth axis and the tenth axis are parallel to each other;
the second axis and the tenth axis are respectively located on two different sides of the first axis, and the fifth axis and the tenth axis are respectively located on two different sides of the fourth axis.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the driving mechanism for opening and closing the die carrier can drive the first die shell and the second die shell to complete die opening and closing actions, can complete die locking actions and compensation actions while completing die closing actions, and can complete compensation actions and unlocking actions while completing die opening actions; the stress condition of the formwork is improved, the elastic deformation of the formwork is reduced, and the running stability of the formwork is improved; the mould locking structure is omitted, the mould locking action is completed by adopting the mechanism self-locking, moving parts are reduced, and the moving performance of the mould shell is improved.
Drawings
FIG. 1 is a schematic view of a mold clamping structure of a driving mechanism in a first embodiment;
FIG. 2 is a schematic cross-sectional view taken along line AA in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line BB of FIG. 1;
FIG. 4 is a schematic view of an open mold structure of the driving mechanism in the first embodiment;
FIG. 5 is a schematic view of a mold clamping operation according to the first embodiment;
FIG. 6 is a schematic view of the mold opening movement of the first embodiment;
fig. 7 is a schematic view of a mold clamping structure of a driving mechanism in the second embodiment.
Wherein: 1. a frame; 2. a mold opening and closing cam; 3. a first formwork; 4. a first axis; 5. a first link; 6. a second axis; 7. a second link; 8. a third axis line; 9. a second mold shell; 10. a fourth axis line; 11. a third link; 12. a fifth axis line; 13. a drive member; 14. a sixth axis; 15. a fourth link; 16. an eighth axial lead; 17. a ninth axis; 18. a roller; 19. a tenth axis line; 20. a stopper; 21. an elastic component; 22. a first straight line; 23. a second straight line; 24. a fourth axis; 25. a sixth axis; 26. a tenth axis; 27. and a fifth shaft.
Detailed Description
The technical solution of the present invention is further explained below with reference to the specific embodiments and the accompanying drawings.
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixed or detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention may be understood by those of ordinary skill in the art according to specific situations.
In embodiments of the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. To simplify the disclosure of embodiments of the invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Referring to fig. 1 and 4, in the first embodiment, a driving mechanism for opening and closing a mold frame is provided and arranged on a frame 1. The first shuttering 3 and the second shuttering 9 are respectively connected to the frame 1 rotatably around a tenth axis 10 and can be opened and closed relatively rotatably. The frame 1 drives the driving mechanism to rotate relative to the die opening and closing cam 2 integrally.
The drive mechanism includes:
a first connecting rod 5 with one end rotatably connected to the first mould shell 3 around a first axial lead 4, a second connecting rod 7 with one end rotatably connected to the frame 1 around a second axial lead 6, and the other end of the first connecting rod 5 and the other end of the second connecting rod 7 are rotatably connected around a third axial lead 8;
a third connecting rod 11 with one end capable of rotating around a fourth axis 10 and connected to the second mould shell 9, a driving part 13 capable of rotating around a fifth axis 12 and connected to the frame 1, and the other end of the third connecting rod 11 and the driving part 13 are rotatably connected around a sixth axis 14;
a fourth connecting rod 15 with one end capable of rotating around a seventh axis and connected to the first connecting rod 5 or the second connecting rod 7, and the other end of the fourth connecting rod 15 is rotatably connected with the driving piece 13 around an eighth axis 16;
a roller 18 connected to the driver 13 is rotated about a ninth axis 17, and the roller 18 abuts against the mold opening and closing cam 2 through an outer peripheral portion thereof. The driving piece 13 can be driven to rotate around the fifth axis 12 by the rolling of the roller 18 along the die opening and closing cam 2.
In the present embodiment, the first axis 4, the second axis 6, the third axis 8, the fourth axis 10, the fifth axis 12, the sixth axis 14, the seventh axis, the eighth axis 16, the ninth axis 17 and the tenth axis 10 are parallel to each other; the second axis 6 and the tenth axis 10 are respectively located at two different sides of the first axis 4, and the fifth axis 12 and the tenth axis 10 are respectively located at two different sides of the fourth axis 10.
In the present embodiment, the third axis 8 and the seventh axis coincide, i.e. the first link 5, the second link 7 and the fourth link 15 are each rotatable around the same axis.
The fifth axis 12 and the sixth axis 14 are respectively perpendicularly intersected with the first straight line 22, and the fifth axis 12 and the eighth axis 16 are respectively perpendicularly intersected with the second straight line 23.
Referring to fig. 1, when the first mold shell 3 and the second mold shell 9 are in the mold closing position, the first connecting rod 5 is parallel to the second connecting rod 7, the third connecting rod 11 is parallel to the first straight line 22, and the fourth connecting rod 15 is parallel to the second straight line 23, so that the connecting rod self-locking in the mold closing position can be realized, and the first mold shell 3 and the second mold shell 9 can be locked. The mould closing compensation of the first mould shell 3 and the second mould shell 9 can be realized through the self-locking of the connecting rods.
Referring to FIG. 4, when the first and second molds 3, 9 are in the open position, the first link 5 intersects the second link 7, the third link 11 intersects the first line 22, and the fourth link 15 intersects the second line 23.
Referring to fig. 5-6, when the driving element 13 rotates around the fifth axial lead 12 in a forward (clockwise) direction, the driving element 13 is configured to drive the first mold shell 3 to rotate around the tenth axial lead 10 clockwise to open the mold through the fourth connecting rod 15 and the first connecting rod 5, and the driving element 13 is further configured to drive the second mold shell 9 to rotate around the tenth axial lead 10 counterclockwise to open the mold through the third connecting rod 11;
when the driving part 13 reversely (anticlockwise) rotates around the fifth axial lead 12, the driving part 13 is used for driving the first formwork 3 to rotate anticlockwise around the tenth axial lead 10 for die assembly through the fourth connecting rod 15 and the first connecting rod 5, and the driving part 13 is also used for driving the second formwork 9 to rotate clockwise around the tenth axial lead 10 for die assembly through the third connecting rod 11.
Referring to fig. 1 and 4, when the driving member 13 rotates around the fifth axis 12 in a forward (clockwise) direction, the third axis 8 and the sixth axis 14 are relatively close to each other; when the driving member 13 rotates in the opposite (counterclockwise) direction about the fifth axis 12, the third axis 8 and the sixth axis 14 are relatively far apart.
Referring to fig. 2-3, the first mold shell 3 and the second mold shell 9 are respectively sleeved on the tenth shaft 26, and the driving member 13 is sleeved on the fifth shaft 27. Taking the second mold shell 9 as an example, the second mold shell 9 has a plurality of groups of first grooves arranged along the direction of the tenth axial lead 10 for being matched with a plurality of groups of first protrusions arranged along the direction of the tenth axial lead 10 of the third connecting rod 11 to enter, and the plurality of groups of first grooves and the plurality of groups of first protrusions are penetrated and connected by the fourth shaft 24; the driving member 13 has a plurality of second grooves arranged along the tenth axial lead 10 for being engaged with the plurality of second protrusions arranged along the tenth axial lead 10 of the third connecting rod 11, and the plurality of second grooves and the plurality of second protrusions are connected by the sixth shaft 25. By this arrangement, the stability of the movement of the mechanism can be improved.
Referring to fig. 7, a second embodiment provides a driving mechanism for opening and closing a mold frame, and the second embodiment is different from the first embodiment mainly in that:
a limiting piece 20 for preventing the driving piece 13 from continuously rotating from the die assembly position along the die assembly direction is arranged on the frame 1, namely the driving piece 13 is prevented from continuously rotating around the fifth axial line 12 reversely (anticlockwise) from the die assembly position;
the frame 1 is further provided with an elastic component 21 for elastically abutting against the fourth connecting rod 15 so as to enable the first mold shell 3 and the second mold shell 9 to be kept at the mold closing position, and the elastic component 21 is used for providing elastic restoring force for driving the driving part 13 to elastically abut against the limiting part 20 at the mold closing position.
I.e. the stop 20 and the spring assembly 21, serve to cooperatively hold the first and second formwork 3, 9 in the closed position.
In the present embodiment, in the mold clamping position, the first link 5 and the second link 7 intersect with each other, the third link 11 intersects with the first straight line 22, and the fourth link 15 intersects with the second straight line 23.
The limiting member 20 is located at the front side of the reverse (counterclockwise) rotation path of the driving member 13, and as shown in fig. 7, a first included angle a is formed between the third link 11 and the first straight line 22, a second included angle b is formed between the first link 5 and the second link 7, and a third included angle c is formed between the fourth link 15 and the second straight line 23.
When the driving member 13 rotates reversely (counterclockwise) around the fifth axis 12:
the driving part 13 is used for driving the first mould shell 3 to rotate anticlockwise through the fourth connecting rod 15 and the first connecting rod 5 for mould closing, and the second included angle b and the third included angle c are respectively and gradually increased at the moment;
the driving member 13 is further configured to drive the second mold shell 9 to rotate clockwise to close the mold through the third connecting rod 11, at this time, the first included angle a (initial position is greater than 180 °) is gradually decreased to 180 ° and then decreased to slightly less than 180 °, then the driving member 13 abuts against the limiting member 20, and at this time, the second included angle b and the third included angle c are respectively increased to approximately 180 °.
The first included angle a, the second included angle b and the third included angle c are arranged at the die closing position, so that the first die shell 3 and the second die shell 9 can be in a micro self-locking state at the die closing position. By providing the limiting member 20 and the elastic member 21, the first mold shell 3 and the second mold shell 9 can be maintained at the mold closing position in a mutually matched manner, and the elastic member 21 can also realize the function of force compensation of the first mold shell 3 and the second mold shell 9.
The working process of the following embodiment one is specifically described as follows:
when the driving part 13 rotates around the fifth axial lead 12 in a forward direction (clockwise), the driving part 13 is used for driving the first formwork 3 to rotate around the tenth axial lead 10 clockwise for opening the mould through the fourth connecting rod 15 and the first connecting rod 5, and the driving part 13 is also used for driving the second formwork 9 to rotate around the tenth axial lead 10 anticlockwise for opening the mould;
when the driving part 13 reversely (anticlockwise) rotates around the fifth axial lead 12, the driving part 13 is used for driving the first formwork 3 to rotate anticlockwise for closing the mould through the fourth connecting rod 15 and the first connecting rod 5, and the driving part 13 is also used for driving the second formwork 9 to rotate clockwise for closing the mould through the third connecting rod 11;
in the mold clamping position, the first link 5 and the second link 7 are parallel, the third link 11 is parallel to the first straight line 22, and the fourth link 15 is parallel to the second straight line 23.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a actuating mechanism for die carrier opens and shuts, locates in the frame to can open and shut the mould cam relatively and rotate its characterized in that: the drive mechanism includes:
one end of the first connecting rod is rotatably connected to the first formwork around a first axial line, one end of the second connecting rod is rotatably connected to the rack around a second axial line, and the other end of the first connecting rod is rotatably connected with the other end of the second connecting rod around a third axial line;
one end of the third connecting rod is rotatably connected to the second mould shell around a fourth axis, the driving part is rotatably connected to the rack around a fifth axis, and the other end of the third connecting rod is rotatably connected with the driving part around a sixth axis;
a fourth connecting rod, one end of which is rotatably connected to the first connecting rod or the second connecting rod around a seventh axis, and the other end of which is rotatably connected to the driving member around an eighth axis;
a roller rotatably connected to the driving member around a ninth axis, the roller being abutted to the mold opening and closing cam through an outer peripheral portion thereof;
the fifth axial lead and the sixth axial lead are respectively and vertically intersected with a first straight line, the fifth axial lead and the eighth axial lead are respectively and vertically intersected with a second straight line, the first formwork and the second formwork are respectively and rotatably connected to the rack around a tenth axial lead, and when the first formwork and the second formwork are in a mold closing position:
the first connecting rod is parallel to the second connecting rod, the third connecting rod is parallel to the first straight line, and the fourth connecting rod is parallel to the second straight line;
or the first connecting rod is intersected with the second connecting rod, the third connecting rod is intersected with the first straight line, the fourth connecting rod is intersected with the second straight line, a limiting part for blocking the driving part to continuously rotate along the die closing direction from the die closing position is arranged on the rack, and an elastic component for elastically abutting against the fourth connecting rod to enable the first die shell and the second die shell to be kept at the die closing position is further arranged on the rack.
2. The driving mechanism for opening and closing the mold frame as claimed in claim 1, wherein: the third axis and the seventh axis coincide.
3. The driving mechanism for opening and closing the mold frame as claimed in claim 1, wherein: the elastic component is used for providing elastic restoring force for driving the driving piece to elastically abut against the limiting piece.
4. The driving mechanism for opening and closing the mold frame as claimed in claim 1, wherein: when the driving piece rotates around the fifth axial line in the positive direction, the driving piece is used for driving the first formwork to rotate and open the mould through the fourth connecting rod and the first connecting rod, and the driving piece is also used for driving the second formwork to rotate and open the mould through the third connecting rod;
when the driving part rotates reversely around the fifth axis, the driving part is used for driving the first formwork to rotate and mold through the fourth connecting rod and the first connecting rod, and the driving part is also used for driving the second formwork to rotate and mold through the third connecting rod.
5. The driving mechanism for opening and closing the mold frame as claimed in claim 4, wherein: the limiting piece is located on the front side of the driving piece reverse rotation path and used for abutting against the driving piece after the driving piece reversely rotates until a first included angle between the third connecting rod and the first straight line is reduced from more than 180 degrees to less than 180 degrees.
6. The driving mechanism for opening and closing the mold frame as claimed in claim 5, wherein: the limiting piece is further used for abutting against the driving piece before the driving piece reversely rotates until a second included angle between the first connecting rod and the second connecting rod is increased to 180 degrees.
7. The driving mechanism for opening and closing the mold frame as claimed in claim 5, wherein: the limiting piece is further used for abutting against the driving piece before the driving piece reversely rotates until a third included angle between the fourth connecting rod and the second straight line is increased to 180 degrees.
8. The driving mechanism for opening and closing the mold frame as claimed in claim 4, wherein: when the driving piece rotates around the fifth axis in the positive direction, the third axis and the sixth axis are relatively close to each other; when the driving piece rotates around the fifth axis in the opposite direction, the third axis and the sixth axis are relatively far away.
9. The driving mechanism for opening and closing the mold frame as claimed in claim 1, wherein: the first axis, the second axis, the third axis, the fourth axis, the fifth axis, the sixth axis, the seventh axis, the eighth axis, the ninth axis and the tenth axis are parallel to each other;
the second axis and the tenth axis are respectively located on two different sides of the first axis, and the fifth axis and the tenth axis are respectively located on two different sides of the fourth axis.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211572696.6A CN115958771B (en) | 2022-12-08 | 2022-12-08 | Driving mechanism for opening and closing die carrier |
| PCT/CN2023/137460 WO2024120524A1 (en) | 2022-12-08 | 2023-12-08 | Device for driving mold base to open and close, mold base, and blow-molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211572696.6A CN115958771B (en) | 2022-12-08 | 2022-12-08 | Driving mechanism for opening and closing die carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115958771A true CN115958771A (en) | 2023-04-14 |
| CN115958771B CN115958771B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211572696.6A Active CN115958771B (en) | 2022-12-08 | 2022-12-08 | Driving mechanism for opening and closing die carrier |
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| Country | Link |
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| CN (1) | CN115958771B (en) |
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| CN103692642A (en) * | 2013-12-23 | 2014-04-02 | 冯伟君 | Mold base structure of blowing machine |
| CN107599358A (en) * | 2017-09-26 | 2018-01-19 | 江苏新美星包装机械股份有限公司 | A kind of open mold mould bases |
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| Publication number | Publication date |
|---|---|
| CN115958771B (en) | 2023-12-15 |
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