CN108327206A - A kind of equipment for injection molding - Google Patents
A kind of equipment for injection molding Download PDFInfo
- Publication number
- CN108327206A CN108327206A CN201810414058.9A CN201810414058A CN108327206A CN 108327206 A CN108327206 A CN 108327206A CN 201810414058 A CN201810414058 A CN 201810414058A CN 108327206 A CN108327206 A CN 108327206A
- Authority
- CN
- China
- Prior art keywords
- pump housing
- switch
- injection molding
- heat exchange
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 239000002826 coolant Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 13
- 229920003023 plastic Polymers 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 238000010137 moulding (plastic) Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000018984 mastication Effects 0.000 description 1
- 238000010077 mastication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/306—Exchangeable mould parts, e.g. cassette moulds, mould inserts
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1756—Handling of moulds or mould parts, e.g. mould exchanging means
Abstract
The invention discloses a kind of equipment for injection molding, including upper plate and lower plate, the bottom of upper plate and the top face of lower plate are arranged, and it is connected by two connecting rods between upper plate and lower plate, it is separately installed with air-cooler and switch panel in two connecting rods, hydraulic cylinder is provided in the middle part of upper plate top, hydraulic cylinder is sequentially connected with upper mold across upper plate by hydraulic stem, having heaters and injection molding tube is arranged in upper mold.The present invention is by being equipped with cooling heat exchange case, when needing to cool down to injection molding rear mold intracavitary molten plastic, it controls first pump housing and second pump housing starts and opens solenoid valve, liquid freon in tank for coolant is pumped into circulating picture-changing heat pipe by second pump housing, and first pump housing on circulating picture-changing heat pipe pump effect under flow to in the circulating picture-changing heat pipe of cooling heat exchange chamber interior wall top joint place, lower die exchanges heat the high temperature in die cavity through thermal conductive material layer with circulating picture-changing heat pipe at this time, improves the rate of temperature fall to being molded rear mold intracavitary molten plastic.
Description
Technical field
The present invention relates to plastic products production technical fields, specially a kind of equipment for injection molding.
Background technology
Plastic products, which are generally adopted to be molded with a mold, to be produced in enormous quantities, and plastics lead to after hot mastication to molten condition
It crosses injector head and is injected into mold and be cooled and shaped.
Existing injection molding apparatus in plastic moulding process, to be molded rear mold intracavitary molten plastic rate of temperature fall compared with
It is low, and when needing replacing lower die, it can not be quickly clamping to the progress of the lower die of different length, existing injection molding apparatus is
Through that cannot meet the needs of people gradually, therefore we make this improvement, propose a kind of equipment for injection molding.
Invention content
To solve injection molding apparatus of the existing technology in plastic moulding process, to injection molding rear mold intracavitary melting modeling
The rate of temperature fall of material is relatively low, and when needing replacing lower die, and quickly clamping defect can not be carried out to the lower die of different length,
The present invention provides a kind of equipment for injection molding.
In order to solve the above technical problem, the present invention provides the following technical solutions：
A kind of equipment for injection molding of the invention, including upper plate and lower plate, the bottom of the upper plate and the top of lower plate
Portion's face setting, and connected by two connecting rods between upper plate and lower plate, it is separately installed with cold wind in two connecting rods
Machine and switch panel, hydraulic cylinder is provided in the middle part of the upper plate top, and the hydraulic cylinder is driven by hydraulic stem across upper plate
It is connected with upper mold, having heaters and injection molding tube are set in the upper mold, the bottom end of the lower plate is equipped with tank for coolant, under described
It is provided with cooling heat exchange case in the middle part of plate top, is provided in the middle part of cooling heat exchange case top under matching with upper mold
Mould, the both sides clamping device arranged symmetrically there are two for the lower die that is fixedly clamped on cooling heat exchange case top.
Further, the surrounding of the cooling heat exchange chamber interior wall is provided with a circulating picture-changing heat pipe, the circulating picture-changing heat pipe
Top and the top of cooling heat exchange chamber interior wall fit, and the top of cooling heat exchange chamber interior wall is constituted for thermal conductive material layer, described
First pump housing and compressor are installed on circulating picture-changing heat pipe, the side of the compressor is fixed on cooling heat exchange case, and
It is placed in the side of air-cooler, first pump housing is fixed at the bottom end of cooling heat exchange chamber interior wall.
Further, it is connected to by conduit between the circulating picture-changing heat pipe and tank for coolant, and electromagnetism is installed on conduit
The inside of valve, the tank for coolant is equipped with second pump housing, and the inlet of second pump housing is connected with the inside of tank for coolant
Logical, the liquid outlet of second pump housing is connected with the inlet of conduit.
Further, the clamping device includes the support plate for being fixed at cooling heat exchange case end, the support plate
The side of lower die is provided with clamping plate, the support plate is flexibly connected by stroke adjustment screw rod with clamping plate.
Further, the active connection place of the stroke adjustment screw rod and clamping plate is provided with bearing block, the bearing block
Inside is equipped with bearing, and the end of the inner ring and stroke adjustment screw rod of the bearing is connected together.
Further, it is additionally provided with a limit telescopic bar between the support plate and clamping plate, and is arranged on the folder face of clamping plate
There is slip-resistant texture.
Further, hydraulic cylinder switch, heater button, first pump housing switch, second are installed on the switch panel
Pump housing switch, compressor switch, air-cooler switch, heater button and electromagnetic valve switch, the hydraulic cylinder are opened by hydraulic cylinder
It closes and is electrically connected with external power supply, the heater is electrically connected by heater button and external power supply, first pump housing
It is electrically connected with external power supply by first pump housing switch, second pump housing is switched electrical with external power supply by second pump housing
It connects, the compressor is electrically connected by compressor switch and external power supply, and the air-cooler is by air-cooler switch and outside
Power supply electric connection is connect, the solenoid valve is electrically connected by electromagnetic valve switch and external power supply.
Compared with prior art, the present invention has the advantages that：
1. the equipment that this kind is used for injection molding, by being equipped with cooling heat exchange case, when needs are to injection molding rear mold intracavitary melting
When plastics are cooled down, controls first pump housing and second pump housing starts and open solenoid valve, second pump housing will be in tank for coolant
Liquid freon is pumped into circulating picture-changing heat pipe, and is flowed to and freezed under the effect of pumping of first pump housing on circulating picture-changing heat pipe
It exchanges heat in the circulating picture-changing heat pipe of chamber interior wall top joint place, lower die through thermal conductive material layer and recycles the high temperature in die cavity at this time
Heat exchanger tube exchanges heat, to improve the rate of temperature fall to being molded rear mold intracavitary molten plastic.
2. by being equipped with clamping device, when needing replacing the lower die of different length, turning stroke adjustment screw rod makes its end
Portion rotates in the bearing of bearing block, and under the position-limiting action of limit telescopic bar, with clamping plate towards lower die move until with
The surface of lower die is bonded, to realize the carry out Quick-clamped to different length lower die.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of equipment for injection molding of the invention；
Fig. 2 is a kind of side structure schematic diagram of the cooling heat exchange case of equipment for injection molding of the invention；
Fig. 3 is a kind of clamping device structural schematic diagram of equipment for injection molding of the invention；
Fig. 4 is a kind of circuit flow diagram of equipment for injection molding of the invention.
In figure：1, upper plate；2, lower plate；3, connecting rod；4, hydraulic cylinder；5, hydraulic stem；6, upper mold；7, heater；8, it is molded
Pipe；9, cooling heat exchange case；10, lower die；11, circulating picture-changing heat pipe；12, first pump housing；13, tank for coolant；14, second pump housing；15、
Compressor；16, air-cooler；17, switch panel；18, support plate；19, clamping plate；20, stroke adjustment screw rod；21, bearing block；22、
Limit telescopic bar；23, thermal conductive material layer；24, solenoid valve.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
As shown in Figs 1-4, a kind of equipment for injection molding, including upper plate 1 and lower plate 2, the bottom of upper plate 1 and lower plate
2 top face setting, and connected by two connecting rods 3 between upper plate 1 and lower plate 2, it is separately installed in two connecting rods 3
Air-cooler 16 and switch panel 17, hydraulic cylinder 4 is provided in the middle part of 1 top of upper plate, and hydraulic cylinder 4 passes through upper plate 1 by hydraulic stem 5
It is sequentially connected with upper mold 6, having heaters 7 is set in upper mold 6 and injection molding tube 8, the bottom end of lower plate 2 are equipped with tank for coolant 13, under
Cooling heat exchange case 9 is provided in the middle part of 2 top of plate, cooling heat exchange case is provided with the lower die to match with upper mold 6 in the middle part of 9 top
10, the both sides clamping device arranged symmetrically there are two for the lower die 10 that is fixedly clamped on 9 top of cooling heat exchange case.
Wherein, the surrounding of 9 inner wall of cooling heat exchange case is provided with a circulating picture-changing heat pipe 11, the top of circulating picture-changing heat pipe 11 and system
The top of 9 inner wall of cold heat exchange box fits, and the top of 9 inner wall of cooling heat exchange case is constituted for thermal conductive material layer 23, cycle heat exchange
First pump housing 12 and compressor 15 are installed, the side of compressor 15 is fixed on cooling heat exchange case 9, and is placed on pipe 11
The side of air-cooler 16, first pump housing 12 are fixed at the bottom end of 9 inner wall of cooling heat exchange case, by cooling heat exchange case 9, effectively
Improve the rate of temperature fall in die cavity.
Wherein, it is connected to by conduit between circulating picture-changing heat pipe 11 and tank for coolant 13, and solenoid valve 24 is installed on conduit,
The inside of tank for coolant 13 is equipped with second pump housing 14, and the inlet of second pump housing 14 is connected with the inside of tank for coolant 13,
The liquid outlet of second pump housing 14 is connected with the inlet of conduit, molten in die cavity when can make molding by tank for coolant 13
Melt plastic liquid and is rapidly solidificated into type.
Wherein, clamping device includes the support plate 18 for being fixed at 9 end of cooling heat exchange case, and support plate 18 is close to lower die
10 side is provided with clamping plate 19, and support plate 18 is flexibly connected by stroke adjustment screw rod 20 with clamping plate 19, by clamping device,
It is quickly clamping convenient for being carried out to lower die 10.
Wherein, stroke adjustment screw rod 20 and the active connection place of clamping plate 19 are provided with bearing block 21, the inside of bearing block 21
Bearing is installed, the end of the inner ring and stroke adjustment screw rod 20 of bearing is connected together, by stroke adjustment screw rod 20, convenient for pair
The clamping elasticity of lower die 10 is adjusted.
Wherein, it is additionally provided with a limit telescopic bar 22 between support plate 18 and clamping plate 19, and is arranged on the folder face of clamping plate 19
There is slip-resistant texture, by limit telescopic bar 22, clamping device work is made more to stablize.
Wherein, hydraulic cylinder switch, heater button, first pump housing switch, second pump housing are installed to open on switch panel 17
Pass, compressor switch, air-cooler switch, heater button and electromagnetic valve switch, hydraulic cylinder 4 pass through hydraulic cylinder switch and external electricity
Source is electrically connected, and heater 7 is electrically connected by heater button and external power supply, and first pump housing 12 is switched by first pump housing
It is electrically connected with external power supply, second pump housing 14 is electrically connected by second pump housing switch with external power supply, and compressor 15 passes through
Compressor switch is electrically connected with external power supply, and air-cooler 16 is electrically connected by air-cooler switch with external power supply, solenoid valve
24 are electrically connected by electromagnetic valve switch and external power supply, by switch panel 17, are controlled hydraulic cylinder 4 convenient for staff, are added
The opening and closing of hot device 7, first pump housing 12, second pump housing 14, compressor 15, air-cooler 16 and solenoid valve 24.
It should be noted that the present invention is a kind of equipment for injection molding, when specific works, when being molded
When injection molding operates, staff controls hydraulic cylinder 4 by Operation switch panel 17 and heater 7 starts, and heater 7 is to upper
Mould 6 is preheated, and hydraulic cylinder 4 is moved with upper mold 6 towards lower die 10 by hydraulic stem 5, to complete die closing operation and be formed close
The die cavity of envelope, then extraneous injection moulding apparatus the plastics of melting are injected into die cavity by injection molding tube 8, when needing to being molded rear mold
When intracavitary molten plastic is cooled down, controls first pump housing 12 and second pump housing 14 starts and opens solenoid valve 24, second pump housing
14 are pumped into the liquid freon in tank for coolant 13 in circulating picture-changing heat pipe 11, are then shut off solenoid valve 24, and in cycle heat exchange
The circulating picture-changing heat pipe 11 with 9 inner wall top joint place of cooling heat exchange case is flowed under the effect of pumping of first pump housing 12 on pipe 11
Interior, lower die 10 exchanges heat the high temperature in die cavity through thermal conductive material layer with circulating picture-changing heat pipe 11 at this time, to improve to injection molding
The cooling solidification of rear mold intracavitary molten plastic is molded, and the liquid freon heat absorption after heat exchange becomes gaseous state freon, and through overvoltage
The compression and back liquid freon of contracting machine 15 participates in heat exchange cycle next time, and the heat generated in 15 compression process of compressor passes through
The cold wind that air-cooler 16 is blown out is radiated in time, after mold molding, by the hydraulic stem 5 on hydraulic cylinder 4 with upper mold 6 and
Lower die 10 detaches, and removes molding plastic products, when staff needs replacing the lower die 10 of different length, turns row
Journey adjusting screw rod 20 makes its end be rotated in the bearing of bearing block 21, and under the position-limiting action of limit telescopic bar 22, with
Clamping plate 19 is moved towards lower die 10 until be bonded with the surface of lower die 10, quick to realize carry out to different length lower die 10
It clamps, improves work efficiency.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of equipment for injection molding, including upper plate (1) and lower plate (2), which is characterized in that the bottom of the upper plate (1)
Portion and the top face of lower plate (2) are arranged, and are connect by two connecting rods (3) between upper plate (1) and lower plate (2), two institutes
It states and is separately installed with air-cooler (16) and switch panel (17) in connecting rod (3), liquid is provided in the middle part of upper plate (1) top
Cylinder pressure (4), the hydraulic cylinder (4) is sequentially connected with upper mold (6) by hydraulic stem (5) across upper plate (1), on the upper mold (6)
Having heaters (7) and injection molding tube (8) are set, and the bottom end of the lower plate (2) is equipped with tank for coolant (13), lower plate (2) top
It is provided with cooling heat exchange case (9) in the middle part of end, is provided in the middle part of cooling heat exchange case (9) top and matches with upper mold (6)
Lower die (10), the both sides on cooling heat exchange case (9) top are symmetrical arranged that there are two the folders for lower die (10) that are fixedly clamped
Tight device.
2. a kind of equipment for injection molding according to claim 1, which is characterized in that the cooling heat exchange case (9)
The surrounding of inner wall is provided with a circulating picture-changing heat pipe (11), top and cooling heat exchange case (9) inner wall of the circulating picture-changing heat pipe (11)
Top fit, and the top of cooling heat exchange case (9) inner wall be thermal conductive material layer (23) constitute, the circulating picture-changing heat pipe (11)
On first pump housing (12) and compressor (15) are installed, the side of the compressor (15) is fixed at cooling heat exchange case (9)
On, and it is placed in the side of air-cooler (16), first pump housing (12) is fixed at the bottom end of cooling heat exchange case (9) inner wall.
3. a kind of equipment for injection molding according to claim 2, which is characterized in that the circulating picture-changing heat pipe (11)
Be connected to by conduit between tank for coolant (13), and solenoid valve (24) be installed on conduit, the tank for coolant (13) it is interior
Portion is equipped with second pump housing (14), and the inlet of second pump housing (14) is connected with the inside of tank for coolant (13), described
The liquid outlet of second pump housing (14) is connected with the inlet of conduit.
4. a kind of equipment for injection molding according to claim 1, which is characterized in that the clamping device includes solid
In the support plate (18) of cooling heat exchange case (9) end, the side of the close lower die (10) of the support plate (18) is provided with for fixed setting
Clamping plate (19), the support plate (18) are flexibly connected by stroke adjustment screw rod (20) with clamping plate (19).
5. a kind of equipment for injection molding according to claim 4, which is characterized in that the stroke adjustment screw rod
(20) active connection place of clamping plate (19) is provided with bearing block (21), the inside of the bearing block (21) is equipped with bearing, institute
The end for stating the inner ring and stroke adjustment screw rod (20) of bearing is connected together.
6. a kind of equipment for injection molding according to claim 4, which is characterized in that the support plate (18) and folder
It is additionally provided with a limit telescopic bar (22) between plate (19), and slip-resistant texture is provided on the folder face of clamping plate (19).
7. a kind of equipment for injection molding according to claim 3, which is characterized in that on the switch panel (17)
Be equipped with hydraulic cylinder switch, heater button, first pump housing switch, the second pump housing switch, compressor switch, air-cooler switch,
Heater button and electromagnetic valve switch, the hydraulic cylinder (4) are electrically connected by hydraulic cylinder switch with external power supply, the heating
Device (7) is electrically connected by heater button and external power supply, first pump housing (12) by first pump housing switch with it is external
Power supply is electrically connected, and second pump housing (14) is electrically connected by second pump housing switch with external power supply, the compressor
(15) it is electrically connected by compressor switch and external power supply, the air-cooler (16) passes through air-cooler switch and external power supply electricity
Property connection, the solenoid valve (24) passes through electromagnetic valve switch and external power supply and is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810414058.9A CN108327206A (en) | 2018-05-03 | 2018-05-03 | A kind of equipment for injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810414058.9A CN108327206A (en) | 2018-05-03 | 2018-05-03 | A kind of equipment for injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108327206A true CN108327206A (en) | 2018-07-27 |
Family
ID=62935020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810414058.9A Pending CN108327206A (en) | 2018-05-03 | 2018-05-03 | A kind of equipment for injection molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108327206A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093893A (en) * | 2018-09-27 | 2018-12-28 | 孙美玲 | A kind of silica gel mould with quick cooling function |
| CN109203396A (en) * | 2018-10-30 | 2019-01-15 | 孙美玲 | Cooling device is used in a kind of work of injection mold |
| CN112172015A (en) * | 2020-09-14 | 2021-01-05 | 东台市强圣精密铸造有限公司 | Injection molding machine with convertible cooling demoulding mechanism |
| CN112536976A (en) * | 2020-11-23 | 2021-03-23 | 颍上县龙裕扬工贸有限公司 | Forming device is used in plastic products processing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206780778U (en) * | 2017-05-25 | 2017-12-22 | 傅公焕 | Mold clamping apparatus |
| CN107718474A (en) * | 2017-11-06 | 2018-02-23 | 安吉德康精密铸件有限公司 | A kind of quick cooling and the small injection forming mold of impulsive force |
-
2018
- 2018-05-03 CN CN201810414058.9A patent/CN108327206A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206780778U (en) * | 2017-05-25 | 2017-12-22 | 傅公焕 | Mold clamping apparatus |
| CN107718474A (en) * | 2017-11-06 | 2018-02-23 | 安吉德康精密铸件有限公司 | A kind of quick cooling and the small injection forming mold of impulsive force |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093893A (en) * | 2018-09-27 | 2018-12-28 | 孙美玲 | A kind of silica gel mould with quick cooling function |
| CN109093893B (en) * | 2018-09-27 | 2021-05-11 | 山东丽波电子科技有限公司 | Silica gel mould with quick cooling function |
| CN109203396A (en) * | 2018-10-30 | 2019-01-15 | 孙美玲 | Cooling device is used in a kind of work of injection mold |
| CN109203396B (en) * | 2018-10-30 | 2020-11-10 | 台州肯维特工具有限公司 | Cooling device for injection mold work |
| CN112172015A (en) * | 2020-09-14 | 2021-01-05 | 东台市强圣精密铸造有限公司 | Injection molding machine with convertible cooling demoulding mechanism |
| CN112536976A (en) * | 2020-11-23 | 2021-03-23 | 颍上县龙裕扬工贸有限公司 | Forming device is used in plastic products processing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20180727 |