CN219006886U

CN219006886U - Injection molding sprue cutting device

Info

Publication number: CN219006886U
Application number: CN202223220191.1U
Authority: CN
Inventors: 王力强
Original assignee: Weihai Yiyi Plastic Co ltd
Current assignee: Weihai Yiyi Plastic Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-12
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses an injection gate cutting device which comprises an injection mold assembly and a cutting assembly, wherein the injection mold assembly comprises a lower mold, an upper mold arranged at the upper end of the lower mold and a gate arranged in the middle of the upper end of the upper mold, and the cutting assembly comprises a U-shaped plate arranged at the upper end of the upper mold and positioned on the right side of the gate, a motor arranged at the lower end of the U-shaped plate and a cutting knife arranged outside the output end of the motor. This kind of runner cuts device of moulding plastics, at the in-process of rubber or plastics moulding plastics, the motor through setting up drives cuts the sword and rotates, and pivoted cuts the sword and cuts runner department to be convenient for cut runner department, so that follow-up drawing die, can adjust the height of motor through the threaded rod that sets up simultaneously, and then be convenient for cut the sword and carry out altitude mixture control, make cut the sword and cut the runner of different co-altitude.

Description

Injection molding sprue cutting device

Technical Field

The utility model relates to the technical field of injection mold gate cutting, in particular to an injection mold gate cutting device.

Background

Injection molding is a method for producing and shaping industrial products. Products are generally molded using rubber and plastic. Injection molding can also be divided into injection molding compression molding and die casting.

In the case of rubber or plastic injection, molten rubber or plastic is injected into the mold cavity from a gate, also referred to as a feed port, which is the smallest and shortest section of the casting system from a runner to one end of the mold cavity.

Most of the existing injection molds are not provided with a gate cutting device, so that the demolding after the rubber or plastic injection molding is inconvenient, and therefore, the injection gate cutting device is provided for facilitating the demolding of the rubber or plastic injection molding.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-mentioned and/or problems occurring in the prior art injection gate cutoff devices.

Therefore, the utility model aims to provide an injection gate cutting device, which is convenient for cutting off a gate and facilitating the subsequent stripping in the process of rubber or plastic injection.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

an injection gate cutoff device, comprising:

the injection mold assembly comprises a lower mold, an upper mold arranged at the upper end of the lower mold and a gate arranged in the middle of the upper end of the upper mold;

the cutting assembly comprises a U-shaped plate arranged at the upper end of the upper die and positioned on the right side of the pouring gate, a motor arranged at the lower end of the U-shaped plate and a cutting knife arranged outside the output end of the motor;

as a preferable scheme of the injection gate cutting device, the upper end of the U-shaped plate is provided with a bolt, and the bolt penetrates through the U-shaped plate and is arranged in the upper die.

As a preferable scheme of the injection molding pouring gate cutting device, the U-shaped plate is provided with a threaded hole, a threaded rod is fixed in the middle of the upper end of the motor, a circular plate is fixed at the upper end of the threaded rod, and the threaded rod is in threaded connection with the threaded hole.

As a preferable scheme of the injection molding gate cutting device, the inner side of the cutting knife is fixedly provided with a circular plate, screw holes are formed in the circular plate and the outer part of the output end of the motor, and screws are arranged in the screw holes.

As a preferable mode of the injection gate cutting device of the utility model, three cutting blades are fixed on the outer portion of the annular plate, and the three cutting blades are distributed annularly around the center of the annular plate.

As a preferable mode of the injection gate cutting device, two circular plates are arranged outside the output end of the motor.

Compared with the prior art, the utility model has the following beneficial effects: this kind of runner cuts device of moulding plastics, at the in-process of rubber or plastics moulding plastics, the motor through setting up drives cuts the sword and rotates, and pivoted cuts the sword and cuts runner department to be convenient for cut runner department, so that follow-up drawing die, can adjust the height of motor through the threaded rod that sets up simultaneously, and then be convenient for cut the sword and carry out altitude mixture control, make cut the sword and cut the runner of different co-altitude.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

FIG. 1 is a schematic perspective view of an injection gate cutting device according to the present utility model;

FIG. 2 is a schematic view of a part of a three-dimensional structure of an injection gate cutting device according to the present utility model;

FIG. 3 is a schematic view of a partially enlarged structure of the injection gate cutting device shown in FIG. 2;

in the figure: 100. an injection mold assembly; 110. a lower die; 120. an upper die; 130. a gate; 200. a truncation assembly; 210. a U-shaped plate; 211. a bolt; 220. a motor; 221. a threaded rod; 222. a circular plate; 230. a cutting knife; 231. a circular plate; 232. screw holes; 233. and (5) a screw.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides an injection molding gate cutting device, which is convenient for cutting off a gate and facilitating the subsequent stripping in the process of rubber or plastic injection molding.

Fig. 1 to 3 are schematic structural views of an embodiment of an injection gate cutting device of the present utility model, referring to fig. 1 to 3, in which a main body portion of the injection gate cutting device includes an injection mold assembly 100 and a cutting assembly 200.

The injection mold assembly 100 includes a lower mold 110, an upper mold 120 disposed at an upper end of the lower mold 110, and a gate 130 opened at a middle portion of an upper end of the upper mold 120.

The cutoff assembly 200 includes a U-shaped plate 210 installed at the upper end of the upper mold 120 at the right side of the gate 130, a motor 220 installed at the lower end of the U-shaped plate 210, and a cutoff knife 230 installed outside the output end of the motor 220. Preferably, in this embodiment, the bolt 211 is installed at the upper end of the U-shaped plate 210, the bolt 211 runs through the U-shaped plate 210 and is in the upper die 120, the U-shaped plate 210 is installed on the upper die 120 under the action of the bolt 211, afterwards, the operator is convenient to install and detach the U-shaped plate 210, the threaded hole is formed in the U-shaped plate 210, the threaded rod 221 is fixed in the middle of the upper end of the motor 220, the circular plate 222 is fixed at the upper end of the threaded rod 221, the threaded rod 221 is in threaded connection with the threaded hole, the operator can manually rotate the circular plate 222 to drive the threaded rod 221 to rotate in the threaded hole, thereby the motor 220 at the lower end can be adjusted in height, the annular plate 231 is fixed at the inner side of the cut-off knife 230, screw holes 232 are formed in the outer sides of the annular plate 231 and the motor 220, screws 233 are installed in the screw holes 232, the cut-off knife 230 is installed at the output end of the motor 220 under the action of the annular plate 231, later time, when the cut-off knife 230 is damaged, the operator is convenient to take off the cut-off knife 230, the circular plate 230 is dismounted, the three cut-off knives 230 are fixed outside the cut-off knife 230, the three cut-off blades are arranged around the center of the circular plate 230, the three cut-off knives are arranged around the center of the annular plate 230, the three cut-off knives are arranged on the annular plate 230, the two cut-off blades are arranged on the annular plate 230, and the cut-off device, the cut edge device 130 are further, and the cut off device is further, and the cut off device, and the cut device is arranged.

Referring to fig. 1 to 3, an injection gate cutting device according to this embodiment is specifically as follows: injection molding machine moulds plastics through runner 130 to lower mould 110 and last mould 120, after the completion of moulding plastics, start motor 220, motor 220 output rotates and drives outside ring board 231 and rotate, thereby drive the outside cut-off knife 230 rotation of ring board 231, the pivoted cuts-off knife 230 cuts off runner 130 department, the outside of ring board 231 is provided with three cut-off knife 230, the efficiency of cutting off runner 130 of device has been improved, the in-process of using of device, the operator can be according to the manual plectane 222 that rotates of actual service condition, and then drive threaded rod 221 and rotate at the screw hole, thereby can carry out altitude mixture control to motor 220 of lower extreme, and then carry out altitude mixture control to cut-off knife 230 of motor 220 output, make cut-off knife 230 can carry out not high runner 130 and cut off.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. An injection gate cutoff device, comprising:

the injection mold assembly (100) comprises a lower mold (110), an upper mold (120) arranged at the upper end of the lower mold (110) and a pouring gate (130) arranged in the middle of the upper end of the upper mold (120);

the cutting assembly (200) comprises a U-shaped plate (210) arranged at the upper end of the upper die (120) and positioned on the right side of the pouring gate (130), a motor (220) arranged at the lower end of the U-shaped plate (210) and a cutting knife (230) arranged outside the output end of the motor (220).

2. The injection gate cutoff device according to claim 1, wherein a bolt (211) is mounted at an upper end of the U-shaped plate (210), and the bolt (211) penetrates through the U-shaped plate (210) into the upper mold (120).

3. The injection molding gate cutting device according to claim 2, wherein the U-shaped plate (210) is provided with a threaded hole, a threaded rod (221) is fixed in the middle of the upper end of the motor (220), a circular plate (222) is fixed at the upper end of the threaded rod (221), and the threaded rod (221) is in threaded connection with the threaded hole.

4. An injection molding gate cutting device according to claim 3, wherein the inner side of the cutting blade (230) is fixed with a circular plate (231), the outer sides of the circular plate (231) and the output end of the motor (220) are provided with screw holes (232), and screws (233) are installed in the screw holes (232).

5. An injection gate cutting device according to claim 4, wherein three cutting blades (230) are fixed to the outer portion of the annular plate (231), and the three cutting blades (230) are annularly distributed around the center of the annular plate (231).

6. An injection gate shut-off device according to claim 5, characterized in that the output end of the motor (220) is externally provided with two circular plates (231).