CN214324082U - An injection device and injection molding machine - Google Patents
An injection device and injection molding machine Download PDFInfo
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- CN214324082U CN214324082U CN202021911988.4U CN202021911988U CN214324082U CN 214324082 U CN214324082 U CN 214324082U CN 202021911988 U CN202021911988 U CN 202021911988U CN 214324082 U CN214324082 U CN 214324082U
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Abstract
The utility model relates to an automation equipment technical field discloses an injection device and injection molding machine. Wherein, injection device includes: the injection nozzle is arranged at the front end of the injection pipe, and a feed inlet is formed in one side far away from the front end of the injection pipe; the injection screw is movably arranged in the injection pipe and is provided with a spiral blade; the plasticizing motor is in transmission connection with the injection screw and can drive the injection screw to rotate around the axis of the injection screw; and the injection motor is in transmission connection with the injection screw and can drive the injection screw to linearly approach the injection nozzle. The utility model provides an injection device can improve repeated positioning accuracy and injection stability, improves injection moulding product quality.
Description
Technical Field
The utility model relates to an automation equipment technical field especially relates to an injection device and injection molding machine.
Background
An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die, and the injection molding process of the injection molding machine comprises the processes of die opening, die closing, die locking, injection, die breaking, ejection and the like.
The injection device is a key part in the injection molding machine and is responsible for functions of plasticizing and feeding in the injection molding process. In the prior art, most injection molding devices are driven by hydraulic pressure, and the defects are low repeated positioning precision and weak stability.
Therefore, an injection device is needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide an injection device and injection molding machine can improve repeated positioning accuracy and injection stability, improves injection moulding product quality.
In order to achieve the purpose, the utility model adopts the following technical proposal:
in a first aspect, there is provided an injection device comprising:
the injection nozzle is arranged at the front end of the injection pipe, and a feed inlet is formed in one side far away from the front end of the injection pipe;
the injection screw is movably arranged in the injection pipe and is provided with a spiral blade;
the plasticizing motor is in transmission connection with the injection screw and can drive the injection screw to rotate around the axis of the injection screw; and
and the injection motor is in transmission connection with the injection screw and can drive the injection screw to linearly approach the injection nozzle.
As an alternative to the injection device, the injection device further comprises:
the injection tube is arranged on the injection table front plate;
the injection platform rear plate is arranged at one end of the injection platform front plate, which is far away from the injection tube, and the glue injection motor is arranged on the injection platform rear plate; and
the injection platform comprises an injection platform movable plate, a plasticizing motor and an injection screw rod, wherein the injection platform movable plate is arranged between an injection platform front plate and an injection platform rear plate and is arranged side by side with the injection platform front plate and the injection platform rear plate, the plasticizing motor is arranged on the injection platform movable plate, and the injection screw rod is rotationally connected with the injection platform movable plate.
As an alternative to the injection device, the injection device further comprises:
the threaded sleeve is fixedly connected to the shooting table plate and extends in the same direction as the injection pipe; and
and the transmission screw rod is in transmission connection with the output end of the glue injection motor, and is in threaded connection with the threaded sleeve.
As an alternative of the injection device, the plasticizing motor is in transmission connection with the injection screw through a first belt pulley assembly; and/or
The glue injection motor is in transmission connection with the transmission screw rod through a second belt pulley component.
As an alternative to the injection device, the injection device further comprises:
and the injection moving driving part is arranged on the injection platform front plate, and an output shaft of the injection moving driving part is connected with the injection molding template and can drive the injection platform front plate to be close to or far away from the injection molding template.
As an alternative to the injection device, the said shoot away drive is a ram.
As an alternative to the injection device, the injection device further comprises:
and the injection platform pull rod and the injection pipe extend in the same direction, two ends of the injection platform pull rod are respectively connected with the injection platform front plate and the injection platform rear plate, and the injection platform movable plate is arranged on the injection platform pull rod in a sliding manner.
As an alternative to the injection device, the injection device further comprises:
the injection device comprises a base, wherein the base is provided with an injection platform sliding rail extending in the same direction as the injection tube, and the injection platform front plate and the injection platform movable plate are arranged on the injection platform sliding rail in a sliding mode.
As an alternative to the injection device, the injection device further comprises:
the heating module is wound on the outer wall of the injection tube and used for heating the injection tube.
In a second aspect, there is provided an injection molding machine comprising an injection device as described above.
The utility model has the advantages that:
the utility model provides an injection apparatus is when the operation, and the injection nozzle stretches into from injection moulding board's injection port, penetrates to glue motor drive injection screw and removes towards the one end of injection nozzle, and plasticizing motor drive injection screw rotates around self axis simultaneously, makes the molten plastics in the injection syringe flow to injection nozzle one end along spiral helicine blade to flow to injection moulding board's die cavity from the injection nozzle, make it solidify the shaping in the die cavity. Because the injection device adopts the plasticizing motor to drive the injection screw to rotate, the speed of injecting the injection material is accurately controlled, and the injection motor is adopted to drive the injection screw to move in the injection tube, so that the repeated positioning precision of the injection screw in the injection tube is improved, the injection operation is more standardized, and the quality of injection products is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural view of an injection device provided by the present invention;
fig. 2 is a partial cross-sectional view of an injection device provided by the present invention;
fig. 3 is a right side view of the injection device provided by the present invention.
In the figure:
1. an injection tube; 101. an injection nozzle; 102. a feed inlet; 2. an injection screw; 3. a plasticizing motor; 4. a glue injection motor; 5. a front plate of the injection platform; 6. a shooting table back plate; 7. shooting a movable platen; 8. a threaded bushing; 9. a transmission screw rod; 10. a first belt pulley assembly; 11. a second belt pulley assembly; 12. a shooting and moving driving member; 13. a shooting moving connecting rod; 14. a firing table pull rod; 15. a base; 16. penetrate a platform slide rail.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, this embodiment provides an injection molding machine, the injection molding machine includes an injection device and a mold locking device, the mold locking device includes an injection mold plate, the injection mold plate is provided with a cavity and an injection port communicated therewith, the injection device injects plastic into the cavity through the injection port, the injection device includes an injection tube 1, an injection screw 2, a plasticizing motor 3 and an injection motor 4, the front end of the injection tube 1 is provided with an injection nozzle 101, and a feed port 102 is provided at a side far from the front end, the injection screw 2 is movably disposed in the injection tube 1 and provided with a spiral blade thereon, the plasticizing motor 3 is in transmission connection with the injection screw 2 and can drive the injection screw 2 to rotate around its own axis, the injection motor 4 is in transmission connection with the injection screw 2 and can drive the injection screw 2 to approach the injection nozzle 101 along a straight line.
Specifically, during the injection molding operation, the injection nozzle 101 extends from the injection port of the injection mold plate, the injection motor 4 drives the injection screw 2 to move towards one end of the injection nozzle 101, and the plasticizing motor 3 drives the injection screw 2 to rotate around the axis of the injection screw, so that the molten plastic in the injection pipe 1 flows to one end of the injection nozzle 101 along the spiral blade, flows out of the injection nozzle 101 into the cavity of the injection mold plate, and is solidified and molded in the cavity. Because the injection device adopts the plasticizing motor 3 to drive the injection screw 2 to rotate, the speed of injecting the injection material is accurately controlled, and the injection motor 4 is adopted to drive the injection screw 2 to move in the injection tube 1, the repeated positioning precision of the injection screw 2 in the injection tube 1 is improved, the injection operation is more standardized, and the quality of injection molding products is improved.
Optionally, the injection device further comprises a front injection plate 5, a rear injection plate 6 and a movable injection plate 7, the injection tube 1 is mounted on the front injection plate 5, the rear injection plate 6 is arranged at one end of the front injection plate 5, which is far away from the injection tube 1, the glue injection motor 4 is mounted on the rear injection plate 6, the movable injection plate 7 is arranged between the front injection plate 5 and the rear injection plate 6, and is arranged side by side with the front injection plate 5 and the rear injection plate 6, the plasticizing motor 3 is mounted on the movable injection plate 7, and the injection screw 2 is rotatably connected with the movable injection plate 7.
Optionally, the injection device further comprises a threaded sleeve 8 and a transmission screw 9, the threaded sleeve 8 is fixedly connected to the injection table plate 7 and extends in the same direction as the injection tube 1, the transmission screw 9 is in transmission connection with the output end of the injection motor 4, and the transmission screw 9 is in threaded connection with the threaded sleeve 8. Specifically, the transmission screw rod 9 is rotatably arranged on the injection platform back plate 6 in a penetrating mode, the glue injection motor 4 drives the transmission screw rod 9 to rotate around the axis of the transmission screw rod 9, the threaded sleeve 8 is driven to linearly move along the transmission screw rod 9, the injection platform moving plate 7 moves along with the transmission screw rod 9, the injection screw rod 2 is enabled to be close to or far away from the injection nozzle 101 on the injection tube 1, high-precision control and small adjustment can be conducted on the moving distance of the injection screw rod 2 due to the fact that the division value of the transmission screw rod 9 is small, transmission is stable, high-precision control and small adjustment can be conducted on the moving distance of the injection screw rod 2, repeated positioning precision of the injection screw rod 2 in the injection tube 1 is enabled to be improved, and standardization of injection molding operation is guaranteed.
Optionally, the plasticizing motor 3 is in transmission connection with the injection screw 2 through the first belt pulley assembly 10, and has good transmission stability.
Optionally, the glue injection motor 4 is in transmission connection with the transmission screw rod 9 through the second belt pulley assembly 11, and has good transmission stability.
Preferably, the plasticizing motor 3 adopts a servo motor, so that the rotating speed control precision of the injection screw 2 is improved, and the injection speed is controlled more accurately.
Preferably, the glue injection motor 4 is a servo motor, which is beneficial to further improving the repeated positioning precision of the injection screw 2 in the injection tube 1.
Optionally, the injection device further includes an injection moving driving element 12, the injection moving driving element 12 is installed on the injection platform front plate 5, an output shaft of the injection moving driving element 12 is connected with the injection molding template, the injection platform front plate 5 can be driven to be close to the injection molding template, the injection nozzle 101 extends into an injection port of the injection molding template, so that the injection molding operation is facilitated, and the injection platform front plate 5 can be driven to be far away from the injection molding template. Specifically, the output end of the injection moving driving piece 12 is connected with an injection moving connecting rod 13, the other end of the injection moving connecting rod 13 is connected with the injection molding template, and when the injection moving driving piece 12 retracts, the injection platform front plate 5 moves towards the injection molding template; when the injection drive 12 is extended, the injection platform front plate 5 moves away from the injection mold plate.
In the present embodiment, the oil cylinder is used as the shooting movement driving part 12 to control the manufacturing cost of the injection device, but the shooting movement driving part 12 may also be other linear driving parts such as an electric push rod.
Optionally, the injection device further includes a shooting table pull rod 14, the shooting table pull rod 14 and the injection tube 1 extend in the same direction, two ends of the shooting table pull rod 14 are respectively connected with the shooting table front plate 5 and the shooting table rear plate 6, and the shooting table movable plate 7 is slidably disposed on the shooting table pull rod 14. Furthermore, the total number of the ejection table pull rods 14 is four, and the ejection table pull rods are respectively arranged at four outer corners of the ejection table front plate 5 and the ejection table rear plate 6 and provide a guiding function for the movement of the ejection table movable plate 7.
The injection device further comprises a base 15, wherein the base 15 is provided with a shooting table slide rail extending in the same direction as the injection tube 1, and the shooting table front plate 5 and the shooting table movable plate 7 are both arranged on the shooting table slide rail 16 in a sliding manner. The shooting table movable plate 7 moves along the shooting table slide rail 16 under the driving of the glue shooting motor 4; the shooting table front plate 5 and the shooting table movable plate 7 move synchronously along the shooting table slide rail 16 under the drive of the shooting movement drive unit 12, and the shooting table rear plate 6 also moves synchronously therewith.
Optionally, the injection device further comprises a heating module, which is disposed around the outer wall of the injection tube 1 and is used for heating the injection tube 1, so that the solid plastic entering from the feeding port 102 is melted.
The working process of the injection molding machine is as follows:
closing the mold by the mold locking device;
the injection moving motor drives the injection pipe 1 to move towards the injection molding template, so that the injection nozzle 101 extends into the injection port;
a plasticizing motor 3 drives the injection screw 2 to rotate so as to convey the plastic, and meanwhile, the heating module heats the plastic to melt the plastic;
the injection motor 4 drives the screw to approach the injection nozzle 101 along the injection tube 1 to complete the injection action;
and after waiting for the preset cooling time, opening the mold by the mold locking device, and ejecting the injection molding product.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021911988.4U CN214324082U (en) | 2020-09-04 | 2020-09-04 | An injection device and injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021911988.4U CN214324082U (en) | 2020-09-04 | 2020-09-04 | An injection device and injection molding machine |
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| Publication Number | Publication Date |
|---|---|
| CN214324082U true CN214324082U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021911988.4U Active CN214324082U (en) | 2020-09-04 | 2020-09-04 | An injection device and injection molding machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320001A (en) * | 2022-08-11 | 2022-11-11 | 广东力劲塑机智造股份有限公司 | Full-electric injection molding machine injection platform device and using method thereof |
| CN116890435A (en) * | 2023-03-30 | 2023-10-17 | 西诺控股集团有限公司 | an injection molding structure |
| CN117245866A (en) * | 2023-09-27 | 2023-12-19 | 博创智能装备股份有限公司 | An injection molding machine electric melt glue structure and control method |
-
2020
- 2020-09-04 CN CN202021911988.4U patent/CN214324082U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320001A (en) * | 2022-08-11 | 2022-11-11 | 广东力劲塑机智造股份有限公司 | Full-electric injection molding machine injection platform device and using method thereof |
| CN116890435A (en) * | 2023-03-30 | 2023-10-17 | 西诺控股集团有限公司 | an injection molding structure |
| CN117245866A (en) * | 2023-09-27 | 2023-12-19 | 博创智能装备股份有限公司 | An injection molding machine electric melt glue structure and control method |
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