CN216152919U

CN216152919U - Automatic sprue falling device

Info

Publication number: CN216152919U
Application number: CN202122108847.XU
Authority: CN
Inventors: 雷吕斌; 朱毅; 王磊; 高振洋; 胡啸; 高林
Original assignee: Shanghai Jingxin Auto Parts Co ltd
Current assignee: Shanghai Jingxin Auto Parts Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-04-01
Anticipated expiration: 2031-09-02

Abstract

The utility model relates to the technical field of injection molding equipment and discloses an automatic sprue falling device which comprises a first injection shell, wherein a second injection shell is fixedly installed at the bottom of the first injection shell, third injection shells are fixedly installed on two sides, far away from the first injection shell, of the second injection shell, an injection nozzle is fixedly installed at the bottom of the third injection shell, an injection port is formed in the upper end face of the first injection shell, and a three-way pipeline is arranged inside the first injection shell and the second injection shell. This automatic device that drops of runner fixes the mould on arranging the position board, moves the device to the point and glues the position, annotates material casing inclination column structure through the third, and the better laminating mould of being convenient for through the setting of annotating the material mouth, makes device and mould butt joint accurate, and former glue gets into from annotating material mouthful department, through the reposition of redundant personnel of tee bend pipeline, flows from the intercommunication passageway respectively, through the accurate ejection of compact of runner, pulls open the function that the mould realized automatic disconnected glue.

Description

Automatic sprue falling device

Technical Field

The utility model relates to the technical field of injection molding equipment, in particular to an automatic sprue falling device.

Background

The article is removed from the injection device and the plastic is melted before being injected into the mold, and the melt is then injected into the mold under controlled pressure and velocity. Injection devices used today have two designs: a screw-type preplasticizer or two-stage device, and a reciprocating screw. The screw-type preplasticizer utilizes a preplasticizing screw to inject molten plastic into the injection rod. Plastic injection molding: plastic injection molding is a method for plastic products, molten plastic is injected into a plastic product mold by pressure, various plastic parts are obtained by cooling and molding, a mechanical injection molding machine special for injection molding is provided, the most commonly used plastic at present is polyethylene, polypropylene, ABS, PA, polystyrene and the like, the obtained shape is a final product, and no other processing is needed before installation or use as the final product. Many details, such as bosses, ribs, threads, can be formed in a single injection molding operation. The injection mold is an extremely important part of injection molding equipment, and is classified into a thermosetting plastic mold, an automobile mold and a thermoplastic plastic mold according to molding characteristics, and although the structure of the mold may vary widely due to differences in plastic types and properties, shapes and structures of plastic products, types of injection machines, and the like, the basic structure is consistent. The mold mainly comprises a pouring system, a temperature adjusting system, a forming part and a structural part. The injection mold consists of two parts, namely a movable mold and a fixed mold, the movable mold is arranged on a movable template of the injection molding machine, and the fixed mold is arranged on a fixed template of the injection molding machine. In the injection molding process, a movable mold and a fixed mold are closed to form a pouring system and a cavity, the movable mold and the fixed mold are separated to take out plastic products when the mold is opened, and in order to reduce heavy mold design and manufacturing workload, most injection molds adopt a standard mold frame.

Injection moulding device's feeding mode direct influence the quality of injection molding, and there is the runner in the current material mode of annotating easily, needs the manual work to get rid of, leads to the cost of labor increase, and operating personnel uses the cutter to cut off usually when getting rid of, has certain potential safety hazard, and consequently, an outstanding material mode of annotating is extremely important.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an automatic sprue falling-off device, which is used for solving the problems that the quality of an injection molding part is directly influenced by the feeding mode of injection molding equipment in the background technology, the existing injection mode is easy to have a sprue, manual removal is needed, the labor cost is increased, and certain potential safety hazards exist when an operator removes the sprue by using a cutter.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a sprue automatic falling device comprises a first injection shell, wherein a second injection shell is fixedly mounted at the bottom of the first injection shell, third injection shells are fixedly mounted on two sides, far away from the first injection shell, of the second injection shell, and injection nozzles are fixedly mounted at the bottom of the third injection shells;

the upper end surface of the first material injection shell is provided with a material injection port, and three-way pipelines are arranged inside the first material injection shell and the second material injection shell;

the inside of third notes material casing is provided with the intercommunication passageway, the inside of annotating the material mouth is provided with the backward flow groove, the runner has been seted up to the lower terminal surface of annotating the material mouth.

Preferably, the first material injection shell is of a circular truncated cone-shaped structure, the first material injection shell is located in the center of the upper end face of the second material injection shell, the second material injection shell and the first material injection shell form an inverted T-shaped structure, and the second material injection shell and the first material injection shell are connected with each other through the second material injection shell.

Preferably, the third material injection shell is connected with the second material injection shell, the third material injection shell is located on the lower portion of the second material injection shell, the third material injection shell and the second material injection shell are arranged at an inclination angle of 120 degrees, and the third material injection shell is of an inclination angle-shaped structure, so that the mold can be better attached.

Preferably, annotate material mouth and third and annotate material casing interconnect, the diameter of annotating the material mouth is less than the diameter of third notes material casing, annotate the material mouth and be conical structure, through the setting of annotating the material mouth, make device and mould butt joint accurate.

Preferably, the injection port is connected with the three-way pipe, the number of the communicating channels is two, the three-way pipe is connected with the two communicating channels, the communicating channels and the three-way pipe are arranged at an inclination angle of 120 degrees, raw rubber enters from the injection port and flows out from the communicating channels through the shunting of the three-way pipe.

Preferably, intercommunication passageway, backward flow groove and runner interconnect, the diameter of backward flow groove is greater than the diameter of intercommunication passageway and runner, the diameter of runner is 1.2mm, through the accurate ejection of compact of runner, pulls open the function that the mould realized automatic disconnected glue to through the setting of backward flow groove, prevent that plastic solution from backflowing.

Compared with the prior art, the utility model provides an automatic sprue falling device which has the following beneficial effects: this automatic device that drops of runner, fix the mould on arranging the position board, remove the device to the point and glue the position, annotate material casing inclination column structure through the third, the better laminating mould of being convenient for, through the setting of annotating the material mouth, it is accurate to make the device dock with the mould, virgin glue is followed notes material mouth department and is got into, through the reposition of redundant personnel of tee bend pipeline, flow from the intercommunication passageway respectively, through the accurate ejection of compact of runner, pull open the function that the mould realized automatic disconnected glue, and through the setting of backward flow groove, prevent that plastic solution from flowing back.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic top view of the present invention;

fig. 5 is an enlarged schematic view of the structure of fig. 2.

Wherein: 1. a first injection shell; 2. a second injection shell; 3. a third material injection shell; 4. a material injection nozzle; 5. a material injection port; 6. a three-way pipeline; 7. a communication channel; 8. a reflux tank; 9. and a gate.

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.

Referring to fig. 1-5, a gate automatic falling device includes a first injecting casing 1, a second injecting casing 2 is fixedly installed at the bottom of the first injecting casing 1, the first injecting casing 1 is a truncated cone-shaped structure, the first injecting casing 1 is located at the center of the upper end surface of the second injecting casing 2, the second injecting casing 2 and the first injecting casing 1 form an inverted T-shaped structure, the device is integrated by the interconnection of the second injecting casing 2 and the first injecting casing 1, third injecting casings 3 are fixedly installed at two sides of the second injecting casing 2 away from the first injecting casing 1, the third injecting casings 3 are connected with the second injecting casing 2, the third injecting casing 3 is located at the lower part of the second injecting casing 2, the third injecting casings 3 and the second injecting casing 2 are arranged at an inclination angle of 120 degrees, and the third injecting casings 3 are arranged at an inclination angle, the die is convenient to better fit;

the bottom of the third material injection shell 3 is fixedly provided with a material injection nozzle 4, the material injection nozzle 4 is connected with the third material injection shell 3, the diameter of the material injection nozzle 4 is smaller than that of the third material injection shell 3, the material injection nozzle 4 is of a conical structure, the device is accurately butted with a die through the arrangement of the material injection nozzle 4, the upper end face of the first material injection shell 1 is provided with a material injection port 5, three-way pipelines 6 are arranged inside the first material injection shell 1 and the second material injection shell 2, a communicating channel 7 is arranged inside the third material injection shell 3, the material injection port 5 is connected with the three-way pipeline 6, the number of the communicating channels 7 is two, the three-way pipeline 6 is connected with the two communicating channels 7, the communicating channel 7 and the three-way pipeline 6 are arranged at an inclination angle of 120 degrees, raw rubber enters from the material injection port 5 and flows out of the communicating channels 7 through the flow splitting of the three-way pipeline 6;

annotate the inside of material mouth 4 and be provided with backward flow groove 8, annotate the lower terminal surface of material mouth 4 and seted up runner 9, intercommunication passageway 7, backward flow groove 8 and runner 9 interconnect, the diameter of backward flow groove 8 is greater than the diameter of intercommunication passageway 7 and runner 9, and the diameter of runner 9 is 1.2mm, through the accurate ejection of compact of runner 9, pulls open the function that the mould realized automatic disconnected glue to through the setting of backward flow groove 8, prevent that plastic solution from flowing back.

When using, fix the mould on the board of arranging, remove injection mold's plastic solution feed inlet position with the device, 3 inclination column structures of third notes material casing, be convenient for better laminating mould, setting through annotating material mouth 4, it is accurate to make the device dock with the mould, plastic solution gets into from sprue 5, reposition of redundant personnel through tee bend pipeline 6, flow out from intercommunication passageway 7 respectively, through the accurate ejection of compact of runner 9, pull open the function that the mould realized automatic disconnected glue, and through the setting of backwash trough 8, prevent plastic solution from backflowing.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic shedder of runner, includes first notes material casing (1), its characterized in that: a second material injection shell (2) is fixedly installed at the bottom of the first material injection shell (1), third material injection shells (3) are fixedly installed on two sides, far away from the first material injection shell (1), of the second material injection shell (2), and material injection nozzles (4) are fixedly installed at the bottoms of the third material injection shells (3);

the upper end surface of the first material injection shell (1) is provided with a material injection port (5), and three-way pipelines (6) are arranged inside the first material injection shell (1) and the second material injection shell (2);

the inside of third notes material casing (3) is provided with intercommunication passageway (7), the inside of annotating material mouth (4) is provided with backward flow groove (8), runner (9) have been seted up to the lower terminal surface of annotating material mouth (4).

2. The automatic gate detaching device according to claim 1, wherein: the first material injection shell (1) is of a round table-shaped structure, the first material injection shell (1) is located in the center of the upper end face of the second material injection shell (2), and the second material injection shell (2) and the first material injection shell (1) form an inverted T-shaped structure.

3. The automatic gate detaching device according to claim 1, wherein: the third material injection shell (3) is connected with the second material injection shell (2) in an interconnecting mode, the third material injection shell (3) is located on the lower portion of the second material injection shell (2), and the third material injection shell (3) and the second material injection shell (2) are arranged in an inclination angle of 120 degrees.

4. The automatic gate detaching device according to claim 1, wherein: annotate material mouth (4) and third and annotate material casing (3) interconnect, the diameter of annotating material mouth (4) is less than the diameter of third notes material casing (3), annotate material mouth (4) and be conical structure.

5. The automatic gate detaching device according to claim 1, wherein: the injection port (5) is connected with the three-way pipe (6), the number of the communicating channels (7) is two, the three-way pipe (6) is connected with the two communicating channels (7), and the communicating channels (7) and the three-way pipe (6) are arranged at an inclination angle of 120 degrees.

6. The automatic gate detaching device according to claim 1, wherein: the communicating channel (7), the backflow groove (8) and the pouring gate (9) are connected with each other, the diameter of the backflow groove (8) is larger than that of the communicating channel (7) and that of the pouring gate (9), and the diameter of the pouring gate (9) is 1.2 mm.