CN111452315A - Prevent material advancing device for plastic injection molding machine of curtain coating - Google Patents
Prevent material advancing device for plastic injection molding machine of curtain coating Download PDFInfo
- Publication number
- CN111452315A CN111452315A CN202010283691.6A CN202010283691A CN111452315A CN 111452315 A CN111452315 A CN 111452315A CN 202010283691 A CN202010283691 A CN 202010283691A CN 111452315 A CN111452315 A CN 111452315A
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- Prior art keywords
- injection molding
- screw rod
- connecting seat
- molding machine
- plastic injection
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- 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.)
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Classifications
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- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/63—Venting or degassing means
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/60—Screws
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a material propelling device for a casting-resistant plastic injection molding machine, and relates to the technical field of plastic injection molding. This prevent material advancing device for plastic injection molding machine of curtain coating, the on-line screen storage device comprises a base, the top fixed mounting of base has the heating jar, the top fixed mounting on heating jar right side has the pan feeding mouth, the inside of heating jar is rotated and is connected with the screw rod of moulding plastics, the right side sliding connection of base top heating jar has the connecting seat. This prevent material advancing device for plastic injection molding machine of curtain coating, can be at the rotatory in-process of the screw rod of moulding plastics, hit the screw rod of moulding plastics from the inboard, make the screw rod of moulding plastics produce the vibration, eliminate the bubble in the peripheral plastics of the screw rod of moulding plastics, the phenomenon of cavity in the finished product after having avoided moulding plastics has improved the quality of product, can stop when moulding plastics, make the screw rod of moulding plastics move to the right, come to carry out the pumpback to plastics, the phenomenon of plastic curtain coating has effectively been avoided, the continuity of having guaranteed to mould plastics goes on.
Description
Technical Field
The invention relates to the technical field of plastic injection molding, in particular to a material propelling device for a tape casting prevention plastic injection molding machine.
Background
The plastic injection molding is a method of uniformly plasticizing thermoplastic or thermosetting plastic in a heating cylinder and then pushing the plastic into a mold cavity of a closed mold by a plunger or a movable screw.
In the injection molding system, plastic needs to be heated and plasticized firstly, then the plasticized plastic is pushed into a mold through a screw, and bubbles can appear in the plasticized plastic in the heating and plasticizing process of the plastic, so that a cavity can easily appear in a finished product, the quality of the product is reduced, and after the traditional pushing device is demolded, the phenomenon of flow casting of the plastic inside can occur under the action of inertia and self gravity, and the continuous operation of injection molding is influenced.
In order to solve the above problems, the inventor provides a material pushing device for a casting-resistant plastic injection molding machine, which can hit an injection molding screw from the inner side in the rotation process of the injection molding screw to enable the injection molding screw to vibrate so as to eliminate bubbles in plastic at the periphery of the injection molding screw, avoid the phenomenon of hollow cavities in a finished product after injection molding, improve the quality of the product, enable the injection molding screw to move rightwards when injection molding is stopped to suck back the plastic, effectively avoid the phenomenon of plastic casting, and ensure the continuity of injection molding.
Disclosure of Invention
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a prevent material advancing device for plastic injection molding machine of curtain coating, includes base, heating tank, pan feeding mouth, the screw rod of moulding plastics, connecting seat, motor, belt, fixed axle, disc, elastic rod, ladder groove, rotation axis, screw, cylinder, telescopic link, spring.
Wherein:
a heating tank is fixedly arranged at the top end of the base, a feeding port is fixedly arranged at the top end of the right side of the heating tank, the interior of the heating tank is rotationally connected with an injection molding screw rod, the right side of the heating tank at the top end of the base is connected with a connecting seat in a sliding way, a motor is fixedly arranged in the connecting seat and is in transmission connection with the injection molding screw rod through a belt, a fixed shaft is fixedly arranged at the right end inside the connecting seat, a disc is fixedly arranged on the periphery of the fixed shaft, the periphery of the disc is connected with an elastic rod in a sliding way, the periphery of the disc inside the injection molding screw rod is provided with a stepped groove, the right end of the motor is connected with a rotating shaft in a transmission way, the right end of the rotating shaft is fixedly provided with a propeller, the right side fixed mounting of base top connecting seat has a cylinder, the left end fixed mounting of connecting seat has the telescopic link, the left end fixed connection of telescopic link has the spring.
Preferably, the right-hand member of the screw rod of moulding plastics extends to the inside of connecting seat, just is in rotate through the bearing in the inner wall of connecting seat left side and connect, the periphery on the screw rod right side of moulding plastics is connected with motor drive through the belt for the motor can drive the screw rod of moulding plastics and rotate, and when the connecting seat removed, can drive the screw rod of moulding plastics and carry out synchronous removal.
Preferably, the top of connecting seat is the notch form, and the bottom is spacing sliding connection with the base for the connecting seat can slide at the top of base.
Preferably, the left side of the fixed shaft extends to the inside of the injection screw, and the disks on the periphery of the fixed shaft are all positioned in the inside of the injection screw, so that the injection screw can rotate on the peripheries of the fixed shaft and the disks.
Preferably, it is single the peripheral sliding connection of disc has four elastic rods, and evenly distributed is in the periphery of disc, the inside ladder groove of the screw rod of moulding plastics is four undulants altogether also, with elastic rod looks adaptation, consequently, when the screw rod of moulding plastics carries out rotatory in-process, can make the peripheral elastic rod of disc contract and pop out.
Preferably, the screw of rotation axis right-hand member is located the inside of a cylinder, just the inside of a cylinder is filled with fluid, consequently, when the rotation axis drives the screw and rotates in a cylinder, can promote the connecting seat and remove left.
Preferably, telescopic link sliding connection is in base support column right-hand member fixed mounting's sleeve, just spring fixed connection is between telescopic link left end and sleeve inner wall for be elastic connection in the middle of the left end of connecting seat and the support column of base.
The invention provides a material propelling device for a casting-resistant plastic injection molding machine. The method has the following beneficial effects:
1. this prevent material advancing device for plastic injection molding machine of curtain coating, through the inside fixed axle of the screw rod and the disc design of moulding plastics, the screw rod rotation of moulding plastics comes to carry out propulsive in-process to the material, utilize the inboard ladder groove of the screw rod of moulding plastics and the design of the peripheral elastic rod of disc, can make the elastic rod contract gradually repeatedly and outwards pop out, make the screw rod of moulding plastics vibrate, eliminate the bubble in the peripheral plastics of the screw rod of moulding plastics, the phenomenon of cavity in the finished product after having avoided moulding plastics, the quality of product has been improved.
2. This prevent material advancing device for plastic injection molding machine of curtain coating, through base top sliding connection's connecting seat design, the elastic connection of cooperation connecting seat left end, and the screw is connected in the inside rotation of cylinder on the right-hand member rotation axis, when moulding plastics, the connecting seat can drive the screw rod of moulding plastics and remove left, and after the completion of moulding plastics, when the screw rod of moulding plastics stops rotating, the connecting seat can drive the screw rod of moulding plastics and remove right, advance to carry out the pumpback to the inside plastics of heating tank, the phenomenon of plastic curtain coating has effectively been avoided, the continuity of having guaranteed to mould plastics goes on.
Drawings
FIG. 1 is a schematic view of the structure of the present invention during injection molding;
FIG. 2 is a schematic view of the structure of the present invention during demolding;
FIG. 3 is a cross-sectional view of the internal structure of the injection molding screw of the present invention;
FIG. 4 is a cross-sectional view of the structure of FIG. 3 taken along line A-A in accordance with the present invention;
fig. 5 is an enlarged view of the structure of fig. 3 according to the present invention at a.
In the figure: 1. a base; 2. a heating tank; 3. a feeding port; 4. injection molding the screw; 5. a connecting seat; 6. a motor; 7. a belt; 8. a fixed shaft; 9. a disc; 10. an elastic rod; 11. a stepped groove; 12. a rotating shaft; 13. a propeller; 14. a cylindrical barrel; 15. a telescopic rod; 16. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the material propelling device for the casting-resistant plastic injection molding machine comprises the following steps:
referring to fig. 1-5, a material propelling device for a casting-resistant plastic injection molding machine comprises a base 1, a heating tank 2, a feeding port 3, an injection molding screw 4, a connecting seat 5, a motor 6, a belt 7, a fixed shaft 8, a disc 9, an elastic rod 10, a stepped groove 11, a rotating shaft 12, a propeller 13, a cylindrical barrel 14, an expansion rod 15 and a spring 16.
Wherein:
the top end of the base 1 is fixedly provided with a heating tank 2, the top end of the right side of the heating tank 2 is fixedly provided with a feeding port 3, the interior of the heating tank 2 is rotatably connected with an injection screw 4, the right side of the heating tank 2 at the top end of the base 1 is slidably connected with a connecting seat 5, the right end of the injection screw 4 extends into the connecting seat 5 and is rotatably connected with the inner wall of the left side of the connecting seat 5 through a bearing, the periphery of the right side of the injection screw 4 is in transmission connection with a motor 6 through a belt 7, so that the motor 6 can drive the injection screw 4 to rotate, and when the connecting seat 5 moves, the injection screw 4 can be driven to synchronously move, the top of the connecting seat 5 is in a notch shape, the bottom end of the connecting seat is in limited sliding connection with the base 1, so that the connecting seat 5 can slide on the top of the base 1, the right end inside the connecting seat 5 is fixedly provided with a fixed shaft 8, the left side of the fixed shaft 8 extends to the inside of the injection molding screw rod 4, and the discs 9 on the periphery of the fixed shaft 8 are all positioned inside the injection molding screw rod 4, therefore, the injection molding screw rod 4 can rotate on the peripheries of the fixed shaft 8 and the discs 9, the discs 9 are fixedly arranged on the periphery of the fixed shaft 8, the periphery of a single disc 9 is connected with four elastic rods 10 in a sliding manner and is uniformly distributed on the periphery of the disc 9, the stepped grooves 11 inside the injection molding screw rod 4 are provided with four undulations which are matched with the elastic rods 10, therefore, when the injection molding screw rod 4 rotates, the elastic rods 10 on the periphery of the disc 9 can contract and pop out, the periphery of the disc 9 is connected with the elastic rods 10 in a sliding manner, the stepped grooves 11 are formed on the periphery of the disc 9 inside the injection molding, in the process of propelling the material by rotating the injection molding screw rod 4, the design of the stepped groove 11 inside the injection molding screw rod 4 and the peripheral elastic rod 10 of the disc 9 is utilized, so that the elastic rod 10 can repeatedly and gradually contract and outwards pop up to vibrate the injection molding screw rod 4, bubbles in the peripheral plastic of the injection molding screw rod 4 are eliminated, the phenomenon of cavities in finished products after injection molding is avoided, and the quality of the products is improved.
The right end of the motor 6 is in transmission connection with a rotating shaft 12, a propeller 13 at the right end of the rotating shaft 12 is positioned inside a cylindrical barrel 14, and oil is filled inside the cylindrical barrel 14, so that when the rotating shaft 12 drives the propeller 13 to rotate in the cylindrical barrel 14, the connecting seat 5 can be pushed to move leftwards, the propeller 13 is fixedly installed at the right end of the rotating shaft 12, the cylindrical barrel 14 is fixedly installed at the right side of the connecting seat 5 at the top end of the base 1, an expansion link 15 is fixedly installed at the left end of the connecting seat 5, the expansion link 15 is in sliding connection in a sleeve fixedly installed at the right end of a supporting column of the base 1, and a spring 16 is fixedly connected between the left end of the expansion link 15 and the inner wall of the sleeve, so that the middle of the left end of the connecting seat 5 and the supporting column of the base 1 is in elastic, and the propeller 13 is connected in the rotation of the inner part of the cylindrical barrel 14 on the right-end rotating shaft 12, when the injection molding is carried out, the connecting seat 5 can drive the injection molding screw rod 4 to move leftwards, and after the injection molding is finished, when the injection molding screw rod 4 stops rotating, the connecting seat 5 can drive the injection molding screw rod 4 to move rightwards, so that the plastic in the heating tank 2 is pumped back, the phenomenon of plastic casting is effectively avoided, and the continuity of the injection molding is ensured.
When the injection molding screw rod device is used, used plastic particles are poured into the heating tank 2 from the material inlet 3, the heating tank 2 heats and plasticizes plastics, then the motor 6 is started, the injection molding screw rod 4 is driven to rotate through the action of the belt 7, and then the plasticized plastics in the heating tank 2 are pushed to be injected, in the rotating process of the injection molding screw rod 4, the injection molding screw rod 4 can rotate at the periphery of the fixed shaft 8 through the design of the fixed shaft 8 and the disc 9 fixed at the center of the injection molding screw rod 4, the elastic rod 10 at the periphery of the disc 9 can repeatedly and gradually contract and outwards pop up by matching with the design of the stepped groove 11 in the injection molding screw rod 4, and then the injection molding screw rod 4 is hit from the inner side, so that the injection molding screw rod 4 generates vibration to eliminate bubbles in the plastics wrapped at the periphery of the injection molding screw rod 4, and the phenomenon of hollow cavities of the finished products, and at the rotatory in-process of motor 6, also can drive rotation axis 12 and screw 13 and carry out synchronous rotation, and screw 13 is at the inside rotatory in-process of cylinder 14, through the effect with the inside fluid of cylinder 14, can promote connecting seat 5 compression spring 16 and remove left, and then drive injection molding screw rod 4 and remove left, and when stopping to carry out the drawing of patterns when moulding plastics, motor 6 stall, connecting seat 5 can remove right under the effect of spring 16 restoring force, and then drive injection molding screw rod 4 and remove right, come to carry out the pumpback to the inside plastics of heating tank 2, thereby effectively avoided the phenomenon of plastics curtain coating.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a prevent material advancing device for plastic injection molding machine of curtain coating, includes base (1), its characterized in that: the top fixed mounting of base (1) has heating jar (2), the top fixed mounting on heating jar (2) right side has pan feeding mouth (3), the inside of heating jar (2) is rotated and is connected with injection molding screw rod (4), the right side sliding connection of base (1) top heating jar (2) has connecting seat (5), the inside fixed mounting of connecting seat (5) has motor (6), motor (6) are connected with injection molding screw rod (4) transmission through belt (7), the right-hand member fixed mounting of the inside of connecting seat (5) has fixed axle (8), the peripheral fixed mounting of fixed axle (8) has disc (9), the peripheral sliding connection of disc (9) has elastic rod (10), ladder groove (11) have been seted up to the periphery of injection molding screw rod (4) inside disc (9), the right-hand member transmission of motor (6) is connected with rotation axis (12), the right-hand member fixed mounting of rotation axis (12) has screw (13), the right side fixed mounting of base (1) top connecting seat (5) has a cylinder (14), the left end fixed mounting of connecting seat (5) has telescopic link (15), the left end fixedly connected with spring (16) of telescopic link (15).
2. The material advancing device for a casting-resistant plastic injection molding machine according to claim 1, characterized in that: the right-hand member of screw rod (4) of moulding plastics extends to the inside of connecting seat (5), and is in rotate through the bearing in the inner wall of connecting seat (5) left side and connect, the periphery on screw rod (4) right side of moulding plastics is connected with motor (6) transmission through belt (7).
3. The material advancing device for a casting-resistant plastic injection molding machine according to claim 1, characterized in that: the top of the connecting seat (5) is in a notch shape, and the bottom end of the connecting seat is in limited sliding connection with the base (1).
4. The material advancing device for a casting-resistant plastic injection molding machine according to claim 1, characterized in that: the left side of the fixed shaft (8) extends to the inside of the injection molding screw rod (4), and the discs (9) on the periphery of the fixed shaft (8) are located inside the injection molding screw rod (4).
5. The material advancing device for a casting-resistant plastic injection molding machine according to claim 1, characterized in that: singly the peripheral sliding connection of disc (9) has four elastic rod (10), and evenly distributed is in the periphery of disc (9), the inside ladder groove (11) of screw rod (4) of moulding plastics also has four fluctuations altogether, with elastic rod (10) looks adaptation.
6. The material advancing device for a casting-resistant plastic injection molding machine according to claim 1, characterized in that: the propeller (13) at the right end of the rotating shaft (12) is located inside the cylindrical barrel (14), and oil is filled inside the cylindrical barrel (14).
7. The material advancing device for a casting-resistant plastic injection molding machine according to claim 1, characterized in that: telescopic link (15) sliding connection is in base (1) support column right-hand member fixed mounting's sleeve, just spring (16) fixed connection is between telescopic link (15) left end and sleeve inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010283691.6A CN111452315A (en) | 2020-04-13 | 2020-04-13 | Prevent material advancing device for plastic injection molding machine of curtain coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010283691.6A CN111452315A (en) | 2020-04-13 | 2020-04-13 | Prevent material advancing device for plastic injection molding machine of curtain coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111452315A true CN111452315A (en) | 2020-07-28 |
Family
ID=71673021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010283691.6A Withdrawn CN111452315A (en) | 2020-04-13 | 2020-04-13 | Prevent material advancing device for plastic injection molding machine of curtain coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111452315A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895285A (en) * | 2021-01-22 | 2021-06-04 | 陈文杰 | Automobile shock absorber ware shell injection mold |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01286814A (en) * | 1988-05-14 | 1989-11-17 | Inoue Japax Res Inc | Molding device of resin |
| JPH0226722A (en) * | 1988-07-18 | 1990-01-29 | Toyo Mach & Metal Co Ltd | Injection apparatus of injection molding machine |
| DE60103006D1 (en) * | 2000-12-28 | 2004-06-03 | Negri Bossi Spa | Improved injection molding arrangement for injection molding presses for plastics |
| US20070196530A1 (en) * | 2006-02-22 | 2007-08-23 | Fanuc Ltd | Controller of injection molding machine |
| CN105751459A (en) * | 2016-04-25 | 2016-07-13 | 顺德职业技术学院 | Injection molding device with spherical rotor |
| CN207954550U (en) * | 2018-03-16 | 2018-10-12 | 广东名一机械科技有限公司 | A kind of Vibration Injection Molding machine |
| CN209738220U (en) * | 2019-01-29 | 2019-12-06 | 帕尔安精密技术(武汉)有限公司 | Improved generation plasticizing device in injection molding machine |
| CN210061769U (en) * | 2019-05-19 | 2020-02-14 | 成都智达电器制造有限责任公司 | Novel injection molding machine |
| CN210211199U (en) * | 2019-06-27 | 2020-03-31 | 青岛恒创模塑有限公司 | Automatic injection mold for driving automobiles |
-
2020
- 2020-04-13 CN CN202010283691.6A patent/CN111452315A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01286814A (en) * | 1988-05-14 | 1989-11-17 | Inoue Japax Res Inc | Molding device of resin |
| JPH0226722A (en) * | 1988-07-18 | 1990-01-29 | Toyo Mach & Metal Co Ltd | Injection apparatus of injection molding machine |
| DE60103006D1 (en) * | 2000-12-28 | 2004-06-03 | Negri Bossi Spa | Improved injection molding arrangement for injection molding presses for plastics |
| US20070196530A1 (en) * | 2006-02-22 | 2007-08-23 | Fanuc Ltd | Controller of injection molding machine |
| CN105751459A (en) * | 2016-04-25 | 2016-07-13 | 顺德职业技术学院 | Injection molding device with spherical rotor |
| CN207954550U (en) * | 2018-03-16 | 2018-10-12 | 广东名一机械科技有限公司 | A kind of Vibration Injection Molding machine |
| CN209738220U (en) * | 2019-01-29 | 2019-12-06 | 帕尔安精密技术(武汉)有限公司 | Improved generation plasticizing device in injection molding machine |
| CN210061769U (en) * | 2019-05-19 | 2020-02-14 | 成都智达电器制造有限责任公司 | Novel injection molding machine |
| CN210211199U (en) * | 2019-06-27 | 2020-03-31 | 青岛恒创模塑有限公司 | Automatic injection mold for driving automobiles |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895285A (en) * | 2021-01-22 | 2021-06-04 | 陈文杰 | Automobile shock absorber ware shell injection mold |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200728 |
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| WW01 | Invention patent application withdrawn after publication |