CN109732876A - It is a kind of for producing the blow moulding equipment of high-precision plastic barrel - Google Patents
It is a kind of for producing the blow moulding equipment of high-precision plastic barrel Download PDFInfo
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- CN109732876A CN109732876A CN201910080190.5A CN201910080190A CN109732876A CN 109732876 A CN109732876 A CN 109732876A CN 201910080190 A CN201910080190 A CN 201910080190A CN 109732876 A CN109732876 A CN 109732876A
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Abstract
The present invention relates to a kind of for producing the blow moulding equipment of high-precision plastic barrel, including pedestal, top plate, controller, gas blow pipe, compression chamber, compressor, two molds and four cylinders, heating wire and pressing mechanism are equipped in the compression chamber, the pressing mechanism includes pressure plate, pressure-applying unit and two ventilation components, the ventilation component includes through-hole, sealing block and lifting unit, this be used to produce the blow moulding equipment of high-precision plastic barrel using gas blow pipe by preform blowup to after abutting against mould inner wall, it is squeezed into parison by the pressing mechanism indoor partial air that will pressurize, increase the air capacity in parison, to reduce the shrinkage generated after parison is cooled, and then improve the production precision of plastic barrel and the practicability of the equipment.
Description
Technical field
The present invention relates to plastic barrel production equipment field, in particular to a kind of blow molding for producing high-precision plastic barrel is set
It is standby.
Background technique
Blow molding is also referred to as hollow blow molding, is a kind of plastic working method quickly grown.Thermoplastic resin is squeezed out or is molded
Obtained tubular parison is formed, is placed in split cavity under thermal softening state in sight, it is empty to be passed through compression after die closing in parison immediately
Gas makes plastic parison inflation and is tightly attached on mould inner wall, arrives various hollow products through cooling and demolding.People are usually sharp
Plastic barrel is produced with blowing device.
Existing blowing device, in order to guarantee the soft state of plastic parison, facilitates plastics when carrying out plastic barrel production
Parison is tightly attached on mould inside by the squeezing action of air, and high temperature air can be generally injected into parison, but in cooling
In forming process, due to expanding with heat and contract with cold, figure is shunk when the high temperature air of plastic parison cools down, and leads to molding plastics
Staving type reduces, and reduces the precision of plastic barrel production, so as to cause the reduction of existing plastic barrel blow moulding equipment practicability.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of high-precision for producing
Spend the blow moulding equipment of plastic barrel.
The technical solution adopted by the present invention to solve the technical problems is: a kind of for producing the blow molding of high-precision plastic barrel
Equipment, including pedestal, top plate, controller, gas blow pipe, compression chamber, compressor, two molds and four cylinders, four cylinders point
Not Wei Yu top plate four corners lower section, the cylinder body of the cylinder is fixed on the top of pedestal, the top of the gas bar of the cylinder
Be fixedly connected with top plate, the compression chamber is fixed on the top of top plate, the compressor, compression chamber and gas blow pipe from top to down according to
Secondary connection is arranged, and heating wire and pressing mechanism is equipped in the compression chamber, the heating wire is located at the top of pressing mechanism, described
The four corners of the lower section of mold are equipped with idler wheel, and the heating wire, idler wheel, cylinder and compressor are electrically connected with PLC；
The pressing mechanism includes that pressure plate, pressure-applying unit and two ventilation components, the pressure-applying unit are located at pressure plate
Top, two ventilation components are located at the two sides of pressure plate, and the pressure-applying unit and pressure plate are sequentially connected, the pressurization
The periphery of plate and the inner wall of compression chamber are tightly connected, and the ventilation component includes through-hole, sealing block and lifting unit, the through-hole
It is arranged on pressure plate, the shape of the sealing block is cone, and the sealing block is located at the top of through-hole, the sealing block
Diameter is greater than the internal diameter of through-hole, the bottom driving connection of the lifting unit and sealing block.
Preferably, the steady movement in order to realize mold, the lower section of the mold is equipped with sliding block, the top of the pedestal
Equipped with sliding rail, the shape of the sliding rail is U-shaped, and the both ends of the sliding rail are fixed on the top of pedestal, and the sliding block is set in cunning
On rail.
Preferably, mobile in order to control pressure plate, the pressure-applying unit includes first motor, driving wheel, drive rod, drive
Dynamic frame and two connecting plates, the first motor are fixed in compression chamber, and the first motor is electrically connected with PLC, and described first
Motor and driving wheel are sequentially connected, and the drive rod is fixed on the separate the center point of driving wheel, and the drive rod is located at driving frame
Inside, the driving frame is sequentially connected by connecting plate and pressure plate.
Preferably, in order to control sealing block lifting moving, the lifting unit include the second motor, screw rod, casing and
Two brackets, two brackets are located at the two sides of the second motor, and second motor is electrically connected with PLC, second motor
It is sequentially connected with the top of screw rod, the bottom end of the screw rod is arranged in casing, and described sleeve pipe is equipped with the junction of screw rod
With the matched screw thread of screw rod, described sleeve pipe is fixedly connected with sealing block.
Preferably, the steady movement in order to realize sealing block, the two sides of described sleeve pipe are equipped with slip ring, the slip ring and set
Pipe is fixedly connected, and the slip ring and bracket correspond, and the slip ring is set on bracket.
Preferably, in order to detect whether the intracavitary portion's parison of type of two molds formation abuts against on the inner wall of mold, institute
Mold is stated equipped with detection unit, the detection unit includes recess, movable plate, detection plate, spring, range sensor and two
Slide bar, the recess are arranged on the inner wall of mold, and the movable plate is located at the inside of mold, the movable plate and recess phase
Match, the detection plate is located at the outside of mold, and the detection plate is connect by spring with mold, and the range sensor is fixed on
On mold, the range sensor is electrically connected with PLC, and the both ends of the detection plate pass through two slide bars respectively and fix with movable plate
Connection.
The invention has the advantages that this be used to produce the blow moulding equipment of high-precision plastic barrel using gas blow pipe by parison
Inflation is squeezed into parison, increment type to after abutting against mould inner wall by the pressing mechanism indoor partial air that will pressurize
Air capacity in base to reduce the shrinkage generated after parison is cooled, and then improves the production precision of plastic barrel and is somebody's turn to do
The practicability of equipment.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the blow moulding equipment for producing high-precision plastic barrel of the invention；
Fig. 2 is the structural schematic diagram of the pressing mechanism of the blow moulding equipment for producing high-precision plastic barrel of the invention；
In figure: 1. pedestals, 2. top plates, 3. controllers, 4. gas blow pipes, 5. compression chambers, 6. compressors, 7. molds, 8. cylinders,
9. heating wire, 10. idler wheels, 11. pressure plates, 12. sealing blocks, 13. sliding blocks, 14. sliding rails, 15. first motors, 16. driving wheels,
17. drive rod, 18. driving frames, 19. connecting plates, 20. second motors, 21. screw rods, 22. casings, 23. brackets, 24. slip rings, 25.
Slide bar, 26. movable plates, 27. detection plates, 28. springs, 29. range sensors.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figs. 1-2, a kind of for producing the blow moulding equipment of high-precision plastic barrel, including pedestal 1, top plate 2, controller
3, gas blow pipe 4, compression chamber 5,6, two molds 7 of compressor and four cylinders 8, four cylinders 8 are located at the four corners of top plate 2
Lower section, the cylinder body of the cylinder 8 is fixed on the top of pedestal 1, and the top of the gas bar of the cylinder 8 is fixedly connected with top plate 2,
The compression chamber 5 is fixed on the top of top plate 2, and the compressor 6, compression chamber 5 and gas blow pipe 4 are sequentially communicated set from top to down
It sets, is equipped with heating wire 9 and pressing mechanism in the compression chamber 5, the heating wire 9 is located at the top of pressing mechanism, the mold 7
The four corners of lower section be equipped with idler wheel 10, the heating wire 9, idler wheel 10, cylinder 8 and compressor 6 are electrically connected with PLC；
The pressing mechanism includes pressure plate 11, pressure-applying unit and two ventilation components, and the pressure-applying unit is located at pressurization
The top of plate 11, two ventilation components are located at the two sides of pressure plate 11, and the pressure-applying unit and pressure plate 11 are sequentially connected,
The periphery of the pressure plate 11 and the inner wall of compression chamber 5 are tightly connected, and the ventilation component includes through-hole, sealing block 12 and lifting
Unit, the through-hole are arranged on pressure plate 11, and the shape of the sealing block 12 is cone, and the sealing block 12 is located at through-hole
Top, the diameter of the sealing block 12 is greater than the internal diameter of through-hole, and the lifting unit is connect with the bottom driving of sealing block 12.
For the blow moulding equipment when producing plastic barrel, producers operate equipment operation by controller 3, by 7 lower section of mold
10 driven mold 7 of idler wheel it is mobile, by being moved away two molds 7, the shaped plastics of softening are put between two molds 7
After base, the movement close to each other of 10 driven mold of idler wheel 7, shape forming cavity, so as to be located at type intracavitary for parison, and rear roller 10 is with dynamic model
Tool 7 is mobile in the top of pedestal 1, so that parison is located at the lower section of gas blow pipe 4, and exhaust hood 8 starts, and reduces the cylinder body of cylinder 8
Interior air pressure, so that the cylinder 8 of cylinder 8 drives top plate 2 to move down, so that gas blow pipe 4 protrudes into inside parison, then
PLC controls compressor 6 and starts, and introduces outside air and is compressed, is blown into inside parison by compression chamber 5 and gas blow pipe 4, so that
Parison by compressed air extruding and expand so that parison abuts against on the inner wall of mold 7, then by parison into
Row cooling, i.e., plastic obtained plastic barrel.After entering in compression chamber 5, heating wire 9 is powered compressed air, so that 9 temperature of heating wire
Degree rises, and transfers heat to compressed air, so that the temperature of air increases, the air after heating passes through the through-hole of pressure plate 11
It is entered inside parison into gas blow pipe 4, then from gas blow pipe 4, blows parison, so that parison expands, when parison is resisted against
After on the inner wall of mold 7, compressor 6 is out of service, while PLC control lifting unit starting, drives sealing plate to move down, makes
After sealing block 12 blocks through-hole, pressing mechanism starting drives pressure plate 11 to move down, will be under pressure plate 11 in compression chamber 5
The residual compressive air of side is squeezed into parison by gas blow pipe 4, and the air capacity in parison is increased so that parison cooling at
When type, reduce the contraction change generated after parison is cooled, to improve the quality of plastic barrel blow molding production.
Preferably, the steady movement in order to realize mold 7, the lower section of the mold 7 is equipped with sliding block 13, the pedestal 1
Top be equipped with sliding rail 14, the shape of the sliding rail 14 is U-shaped, and the both ends of the sliding rail 14 are fixed on the top of pedestal 1, described
Sliding block 13 is set on sliding rail 14.By the sliding rail 14 of fixed position, the moving direction of sliding block 13 is secured, since sliding block 13 is solid
It is scheduled on the lower section of mold 7, thus when idler wheel 10 rolls on pedestal 1, it can be achieved that the steady movement of mold 7.
As shown in Fig. 2, the pressure-applying unit includes first motor 15, driving wheel 16, drive rod 17, drives frame 18 and two
Connecting plate 19, the first motor 15 are fixed in compression chamber 5, and the first motor 15 is electrically connected with PLC, the first motor
15 are sequentially connected with driving wheel 16, and the drive rod 17 is fixed on the separate the center point of driving wheel 16, and the drive rod 17 is located at
The inside of frame 18 is driven, the driving frame 18 is sequentially connected by connecting plate 19 and pressure plate 11.
PLC controls first motor 15 and starts, and drives driving wheel 16 to rotate, so that the drive rod 17 on driving wheel 16 is along drive
The axis of driving wheel 16 rotates, to act on the inner wall of driving frame 18, drives pressure plate 11 to be moved by connecting plate 19.
As shown in Fig. 2, the lifting unit includes the second motor 20, screw rod 21, casing 22 and two brackets 23, two branch
Frame 23 is located at the two sides of the second motor 20, and second motor 20 is electrically connected with PLC, second motor 20 and screw rod 21
Top transmission connection, the bottom end of the screw rod 21 is arranged in casing 22, and described sleeve pipe 22 is set with the junction of screw rod 21
Have and is fixedly connected with the matched screw thread of screw rod 21, described sleeve pipe 22 with sealing block 12.
The position of the second motor 20 is secured using bracket 23, PLC controls the starting of the second motor 20, screw rod 21 is driven to revolve
Turn, screw rod 21 passes through threaded function on casing 22, so that casing 22 drives sealing block 12 to be risen along the axis of screw rod 21
Drop movement, when sealing block 12 moves down, can block through-hole, when moving down convenient for pressure plate 11, increase the sky in parison
Tolerance, the shrinkage after reducing parison to the cold.
Preferably, the steady movement in order to realize sealing block 12, the two sides of described sleeve pipe 22 are equipped with slip ring 24, the cunning
Ring 24 is fixedly connected with casing 22, and the slip ring 24 is corresponded with bracket 23, and the slip ring 24 is set on bracket 23.Pass through
Slip ring 24 is set on bracket 23, the moving direction of slip ring 24 is secured, is connect since slip ring 24 is kept fixed with casing 22,
When so that screw rod 21 rotating, casing 22 is avoided to rotate, it is flat that casing 22 drives sealing block 12 to carry out along the axis direction of screw rod 21
It is steady mobile.
As shown in Figure 1, the mold 7 is equipped with detection unit, the detection unit includes recess, movable plate 26, detection
Plate 27, spring 28, range sensor 29 and two slide bars 25, the recess are arranged on the inner wall of mold 7, the movable plate 26
Positioned at the inside of mold 7, the movable plate 26 matches with recess, and the detection plate 27 is located at the outside of mold 7, the detection
Plate 27 is connect by spring 28 with mold 7, and the range sensor 29 is fixed on mold 7, the range sensor 29 and PLC
Electrical connection, the both ends of the detection plate 27 pass through two slide bars 25 respectively and are fixedly connected with movable plate 26.In detection unit, pass through
Spring 28 maintains a certain distance detection plate 27 and the outer surface of mold 7, when gas blow pipe 4 is to after air blowing inside parison, type
Base expansion is on movable plate 26, so that movable plate 26 is close mobile to the inside of recess, drives detection plate 27 by slide bar 25
Far from mold 7, it is detected using range sensor 29 at this time and feeds back to PLC at a distance from detection plate 27, and by range data, when
When movable plate 26 is entered inside recess, plastic parison is just resisted against on the inner wall of mold 7, and the distance that PLC is received at this time passes
Sensor 29 reaches maximum value, to can determine the state of parison at this time.
The blow moulding equipment is when producing plastic barrel, using gas blow pipe 4 to blowing inside parison, when parison is expanded against in mould
After on the inner wall of tool 7, it is out of service that PLC controls compressor 6, while lifting unit drives sealing block 12 to move down, so that close
Envelope block 12 protrudes into through-hole, blocks through-hole, and then pressure-applying unit starts, and pressure plate 11 is driven to move down, and will add in compression chamber 5
The air extrusion of 11 lower section of pressing plate enters in parison, to increase the air capacity inside parison, reduces after parison is cooled and produces
Raw shrinkage, to improve the production precision of plastic barrel and the practicability of the equipment.
Compared with prior art, which is blown parison using gas blow pipe 4
It is swollen to after abutting against 7 inner wall of mold, the partial air in compression chamber 5 is squeezed into parison by pressing mechanism, increment type
Air capacity in base to reduce the shrinkage generated after parison is cooled, and then improves the production precision of plastic barrel and is somebody's turn to do
The practicability of equipment.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (6)
1. a kind of for producing the blow moulding equipment of high-precision plastic barrel, which is characterized in that including pedestal (1), top plate (2), control
Device (3), gas blow pipe (4), compression chamber (5), compressor (6), two molds (7) and four cylinders (8), four cylinders (8) are respectively
Positioned at the lower section of the four corners of top plate (2), the cylinder body of the cylinder (8) is fixed on the top of pedestal (1), the cylinder (8)
The top of gas bar is fixedly connected with top plate (2), and the compression chamber (5) is fixed on the top of top plate (2), and the compressor (6) adds
Pressure chamber (5) and gas blow pipe (4) are sequentially communicated setting from top to down, are equipped with heating wire (9) and pressuring machine in the compression chamber (5)
Structure, the heating wire (9) are located at the top of pressing mechanism, and the four corners of the lower section of the mold (7) are equipped with idler wheel (10), institute
Heating wire (9), idler wheel (10), cylinder (8) and compressor (6) is stated to be electrically connected with PLC；
The pressing mechanism includes that pressure plate (11), pressure-applying unit and two ventilation components, the pressure-applying unit are located at pressure plate
(11) top, two ventilation components are located at the two sides of pressure plate (11), and the pressure-applying unit and pressure plate (11) are driven
Connection, the periphery of the pressure plate (11) and the inner wall of compression chamber (5) are tightly connected, and the ventilation component includes through-hole, sealing
Block (12) and lifting unit, the through-hole are arranged on pressure plate (11), and the shape of the sealing block (12) is cone, described
Sealing block (12) is located at the top of through-hole, and the diameter of the sealing block (12) is greater than the internal diameter of through-hole, the lifting unit with it is close
Seal the bottom driving connection of block (12).
2. as described in claim 1 for producing the blow moulding equipment of high-precision plastic barrel, which is characterized in that the mold (7)
Lower section be equipped with sliding block (13), the top of the pedestal (1) is equipped with sliding rail (14), and the shape of the sliding rail (14) is U-shaped, described
The both ends of sliding rail (14) are fixed on the top of pedestal (1), and the sliding block (13) is set on sliding rail (14).
3. as described in claim 1 for producing the blow moulding equipment of high-precision plastic barrel, which is characterized in that the pressure-applying unit
Including first motor (15), driving wheel (16), drive rod (17), driving frame (18) and two connecting plates (19), first electricity
Machine (15) is fixed in compression chamber (5), and the first motor (15) is electrically connected with PLC, the first motor (15) and driving wheel
(16) it is sequentially connected, the drive rod (17) is fixed on the separate the center point of driving wheel (16), and the drive rod (17), which is located at, drives
The inside of dynamic frame (18), the driving frame (18) are sequentially connected by connecting plate (19) and pressure plate (11).
4. as described in claim 1 for producing the blow moulding equipment of high-precision plastic barrel, which is characterized in that the lifting unit
Including the second motor (20), screw rod (21), casing (22) and two brackets (23), two brackets (23) are located at the second motor
(20) two sides, second motor (20) are electrically connected with PLC, and the top of second motor (20) and screw rod (21), which is driven, to be connected
Connect, the setting of the bottom end of the screw rod (21) in casing (22), described sleeve pipe (22) with the junction of screw rod (21) be equipped with
Screw rod (21) matched screw thread, described sleeve pipe (22) are fixedly connected with sealing block (12).
5. as claimed in claim 4 for producing the blow moulding equipment of high-precision plastic barrel, which is characterized in that described sleeve pipe (22)
Two sides be equipped with slip ring (24), the slip ring (24) is fixedly connected with casing (22), the slip ring (24) with bracket (23) one by one
Corresponding, the slip ring (24) is set on bracket (23).
6. as described in claim 1 for producing the blow moulding equipment of high-precision plastic barrel, which is characterized in that the mold (7)
It is equipped with detection unit, the detection unit includes recess, movable plate (26), detection plate (27), spring (28), range sensor
(29) it is arranged on the inner wall of mold (7) with two slide bars (25), the recess, the movable plate (26) is located at mold (7)
Inside, the movable plate (26) match with recess, and the detection plate (27) is located at the outside of mold (7), the detection plate
(27) it is connect by spring (28) with mold (7), the range sensor (29) is fixed on mold (7), the Distance-sensing
Device (29) is electrically connected with PLC, and the both ends of the detection plate (27) pass through two slide bars (25) and movable plate (26) fixed company respectively
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080190.5A CN109732876B (en) | 2019-01-28 | 2019-01-28 | Blow molding equipment for producing high-precision plastic barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080190.5A CN109732876B (en) | 2019-01-28 | 2019-01-28 | Blow molding equipment for producing high-precision plastic barrel |
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| Publication Number | Publication Date |
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| CN109732876A true CN109732876A (en) | 2019-05-10 |
| CN109732876B CN109732876B (en) | 2021-02-09 |
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ID=66366346
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910080190.5A Active CN109732876B (en) | 2019-01-28 | 2019-01-28 | Blow molding equipment for producing high-precision plastic barrel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186122A (en) * | 2020-03-03 | 2020-05-22 | 王弯 | Blow molding mold for plastic production |
| CN112318853A (en) * | 2020-12-10 | 2021-02-05 | 青岛岩康塑料机械有限公司 | Blow molding device for manufacturing plastic barrel |
| CN114311612A (en) * | 2022-03-10 | 2022-04-12 | 南通迈克包装科技有限公司 | Blow molding equipment for producing high-precision plastic barrel |
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| CN109203424A (en) * | 2018-10-10 | 2019-01-15 | 昆明博效包装材料有限公司 | A kind of plastic extrusion blowing blow moulding machine of segmented movable block pc barrel die |
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| JPH0592473A (en) * | 1991-08-14 | 1993-04-16 | Showa Denko Kk | Blow molding method |
| DE29507103U1 (en) * | 1995-04-27 | 1995-08-17 | Mauser Werke Gmbh | After cooling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186122A (en) * | 2020-03-03 | 2020-05-22 | 王弯 | Blow molding mold for plastic production |
| CN112318853A (en) * | 2020-12-10 | 2021-02-05 | 青岛岩康塑料机械有限公司 | Blow molding device for manufacturing plastic barrel |
| CN114311612A (en) * | 2022-03-10 | 2022-04-12 | 南通迈克包装科技有限公司 | Blow molding equipment for producing high-precision plastic barrel |
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| Publication number | Publication date |
|---|---|
| CN109732876B (en) | 2021-02-09 |
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Inventor after: Zhou Yanhong Inventor after: Meng Zexi Inventor before: Meng Zexi |
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Effective date of registration: 20221201 Address after: 211600 No. 1, ninggao Road, Jinhu County, Huai'an City, Jiangsu Province Patentee after: Jiangsu Shangyuan Container Manufacturing Co.,Ltd. Address before: 510000 room 2101, building 2, 48 Longxi East Road, Liwan District, Guangzhou City, Guangdong Province, No. 0140 (office use only) Patentee before: GUANGZHOU BAISHICHEN TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A blow molding equipment for producing high-precision plastic barrels Effective date of registration: 20230828 Granted publication date: 20210209 Pledgee: Jiangsu Jinhu Rural Commercial Bank Co.,Ltd. Pledgor: Jiangsu Shangyuan Container Manufacturing Co.,Ltd. Registration number: Y2023980054054 |
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