CN220638776U

CN220638776U - Multi-nozzle cutting device for injection molding part

Info

Publication number: CN220638776U
Application number: CN202321871694.7U
Authority: CN
Inventors: 郭长青; 杨祖圣
Original assignee: Jinan Xingtian Plastic Co ltd
Current assignee: Jinan Xingtian Plastic Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-03-22
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses a multi-nozzle cutting device for injection molding parts, and mainly relates to the field of injection molding nozzle cutting. The injection molding device comprises a cutting platform and a cutting mechanism, wherein a rectangular cavity is formed in the cutting platform, and one side of the rectangular cavity, which is placed on the cutting platform, is matched with the width of an injection molding nozzle material; the cutting mechanism comprises a cylinder and a cutting part, a piston rod of the cylinder is fixedly connected with the bottom of the cutting part, a plurality of cutting blades are arranged on the cutting part in a limiting mode, the distance between every two cutting blades is matched with the distance between every two injection molding pieces, and the piston rod of the cylinder is lifted to drive the cutting part to lift from a rectangular cavity so that the injection molding pieces on the cutting platform can be cut by the cutting blades to be separated from injection molding water gap materials. The beneficial effects are that: the mechanical cutting mode is adopted to replace the traditional manual cutting mode, the work efficiency of the cutting water gap is greatly improved, time and labor are saved, and the risk of scalding and damaging injection molding parts by manual operation can be avoided by replacing the manual operation with the mechanical mode.

Description

Multi-nozzle cutting device for injection molding part

Technical Field

The utility model relates to the field of injection molding water gap cutting, in particular to an injection molding piece multi-water gap cutting device.

Background

Injection gate (as described in figure 11 of the drawings) refers to a channel or mouth in an injection mold for injecting molten plastic. In the injection molding process, after the plastic particles are heated and melted, the plastic particles enter a mold cavity through an injection nozzle, and the mold cavity is filled with the plastic particles to form a required plastic product; in general, the injection nozzle and the finished injection part are connected with each other (as shown in fig. 12 of the specification), and a later worker needs to cut the injection nozzle and separate the injection part by using a special cutting knife.

In order to improve the production efficiency and flexibility of the injection molding machine, for some relatively small injection molding products with a less complex process, for example, the products shown in fig. 12 of the specification, a mold is often used as a plurality of out-of-one mold, and in the process of one-out-of-many injection molding of the injection molding machine, one injection molding machine can simultaneously inject a plurality of identical or different products (as shown in fig. 12 of the specification), so that the injection molding machine is suitable for the situation that a plurality of products need to be produced in large quantities; based on this, the mid portion is the mouth of a river material, and mouth of a river material links to each other with every injection molding respectively, and when the follow-up processing, often needs the workman to use tools such as scissors to cut injection molding and injection gate one by one and separate, work efficiency is low, wastes time and energy, and needs careful when separating mouth of a river material and injection molding to prevent damage injection molding or mould. Meanwhile, because the thermal plastic has high temperature, the manual operation has the risk of scalding.

Based on the problems, the utility model provides the multi-nozzle cutting device for the injection molding piece, and the positions of nozzle materials are basically the same for the multi-nozzle injection molding mode, so that the traditional manual cutting mode is replaced by the mechanical cutting mode, the working efficiency of cutting the nozzle is greatly improved, time and labor are saved, and meanwhile, the risk of scalding and damaging the injection molding piece due to manual operation is avoided by replacing the manual operation with the mechanical.

Disclosure of Invention

The utility model aims to provide a multi-nozzle cutting device which adopts a mechanical cutting mode to replace the traditional manual cutting mode, greatly improves the working efficiency of cutting a nozzle, saves time and labor, and simultaneously, can avoid the risk of scalding and damaging injection molding by manual operation by mechanical replacement.

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

an injection molding piece multi-nozzle cutting device comprises a cutting platform and a cutting mechanism,

a rectangular cavity is formed in the cutting platform, and one side of the rectangular cavity, which is placed on the cutting platform, is matched with the width of the injection molding nozzle material;

the cutting mechanism comprises a cylinder and a cutting part, a piston rod of the cylinder is fixedly connected with the bottom of the cutting part, a plurality of cutting blades are arranged on the cutting part in a limiting mode, the distance between every two cutting blades is matched with the distance between every two injection molding pieces, and the piston rod of the cylinder is lifted to drive the cutting part to lift from a rectangular cavity so that the injection molding pieces on the cutting platform can be cut by the cutting blades to be separated from injection molding water gap materials.

The plurality of cutting blades are fixedly arranged on the cutting part.

The cutting part is provided with a movable limit column and a movable groove, and through holes with the same axis are formed in two sides of the movable groove in a manner of matching with the width of the movable groove;

a movable rod is arranged in the through hole, a rotation limiting column is arranged on the movable rod, and the rotation limiting column extends out of two sides of the movable groove;

the cutting blade is provided with a rotating hole and a moving chute, the rotating hole is matched with the rotating limiting column to be connected in a rotating way, and the moving chute is matched with the movable limiting column to be connected in a limiting way;

the movable rod moves in the through hole to drive the rotation limiting column to move to drive the cutting blades to rotate so as to adjust the distance and the height between every two cutting blades.

The movable rod is characterized in that fixing threads are arranged on two sides of the movable rod, fixing nuts are arranged in a matched mode of the fixing threads, and the movable rod is limited and fixed through the fixing nuts.

Compared with the prior art, the utility model has the beneficial effects that:

the device adopts the mechanical cutting mode to replace traditional manual cutting mode, and the work efficiency at the cutting mouth of a river of great improvement, labour saving and time saving simultaneously, and mechanical substitution manual work can also avoid manual operation to scald and damage the risk of injection molding, and cooperation automatic injection molding machine can reduce artificial use, reduction in production cost.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic view of a cutting table with cylinder in accordance with the present utility model.

Fig. 3 is an overall schematic view of the cutting mechanism of the present utility model.

FIG. 4 is a cross-sectional view of the present utility model showing the movable rod moving to rotate the cutting blade.

FIG. 5 is a first step in the present utility model of placing an injection molded part into the apparatus.

Fig. 6 is a perspective view of the first step in the present utility model.

Fig. 7 is a second step of moving the cutting blade after insertion.

Fig. 8 is a second step perspective view.

Fig. 9 is a schematic diagram of the third step.

Fig. 10 is a schematic view of the position of the cutting line after cutting is completed.

FIG. 11 is an explanatory view of an injection nozzle.

Fig. 12 is a diagram of an example of a multiple nozzle product.

The reference numbers shown in the drawings:

1. a cutting platform; 11. rectangular hollows; 2. a cutting mechanism; 21. a cylinder; 211. a piston rod; 22. a cutting section; 221. a movable limit column; 222. a movable groove; 3. a through hole; 31. a movable rod; 311. rotating the limit column; 4. a cutting blade; 41. a rotation hole; 42. moving the chute; 5. a fixed thread; 6. and fixing the screw cap.

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.

The utility model relates to a multi-nozzle cutting device, which comprises a main structure and a main structure, wherein the main structure comprises a cutting platform 1 and a cutting mechanism 2, the cutting platform 1 is provided with a rectangular cavity 11, and in general, as shown in an attached figure 12 of the specification, an injection molding piece with a left-right symmetrical design structure can ensure the maximum utilization rate of an injection mold, so that the cutting platform 1 is provided with the rectangular cavity 11, at the moment, a product to be cut is placed on the cutting platform 1, and as shown in attached figures 5 and 6 of the specification, one side of the rectangular cavity 11 of the injection molding piece placed on the cutting platform 1 is matched with the width of an injection molding nozzle material, and at the moment, the injection molding piece can be prevented from being damaged during cutting;

as shown in fig. 1 of the specification, the cutting mechanism 2 includes a cylinder 21 and a cutting portion 22, a piston rod 211 of the cylinder 21 is fixedly connected with the bottom of the cutting portion 22, a plurality of cutting blades 4 are disposed on the cutting portion 22 in a limiting manner, the distance between every two cutting blades 4 is matched with the distance between every two injection molding pieces, the piston rod 211 of the cylinder 21 is lifted to drive the cutting portion 22 to lift from the rectangular cavity 11, the injection molding pieces on the cutting platform 1 are cut by the cutting blades 4 to be separated from injection molding nozzle materials, and referring to fig. 5-9 of the specification, the cutting mechanism 2 is disposed in the rectangular cavity 11 and can move up and down, the cutting mechanism 2 drives the cutting blades 4 to cut the injection molding nozzle materials, and the cutting blades 4 have the following two connection relations on the cutting portion 22:

the plurality of cutting blades 4 are fixedly provided on the cutting portion 22:

the connection mode is very easy to understand, i.e. the cutting blade 4 is fixedly arranged on the fixing part, for example, two holes are formed in the cutting blade 4, the same holes are formed in the cutting part 22, then bolts are used for penetrating, or connecting columns are fixedly arranged on the cutting part 22, the connecting holes on the cutting blade 4 are connected corresponding to the connecting columns, the fixing mode is very numerous, and the second chapter connection mode is mainly introduced instead of one-by-one statement.

Second, the cutting blade 4 is limited to be arranged on the cutting part 22:

referring to fig. 3-4 of the drawings, the cutting part 22 is provided with a movable limiting column 221 and a movable groove 222, and two sides of the movable groove 222 are provided with coaxial through holes 3 in cooperation with the width of the movable groove 222; a movable rod 31 is arranged in the through hole 3, a rotation limiting column 311 is arranged on the movable rod 31, and the rotation limiting column 311 extends out of two sides of the movable groove 222; the cutting blade 4 is provided with a rotating hole 41 and a moving chute 42, the rotating hole 41 is matched with a rotating limiting column 311 to be connected in a rotating way, and the moving chute 42 is matched with a movable limiting column 221 to be connected in a limiting way; the movable rod 31 moves in the through hole 3 to drive the rotation limiting column 311 to move to drive the cutting blades 4 to rotate so as to adjust the distance and the height between every two cutting blades 4. In the above-mentioned fixed connection manner, the distance between every two cutting blades 4 is fixed, the adjustment cannot be performed, the injection molding pieces are various, often the distance between every two injection molding pieces is unequal, so that the adjustment is needed, because the cutting blades 4 are more, the one-to-one adjustment manner is labor-consuming, and the manual adjustment may also cause that the angle of the cutting blades 4 is not opposite, the injection molding pieces may be damaged when cutting, so referring to fig. 3-4 of the drawings, a movable limiting post 221 and a movable groove 222 are provided on the cutting portion 22, and coaxial through holes 3 are provided on both sides of the movable groove 222 in cooperation with the width of the movable groove 222, as described in fig. 4 of the specification; the movable rod 31 is arranged in the through hole 3, the movable rod 31 can move in the through hole 3, meanwhile, the movable rod 31 is provided with a rotation limiting column 311, the rotation limiting column 311 extends out of two sides of the movable groove 222 and is used for fixing the bottom of the cutting blade 4, the cutting blade 4 is provided with a rotation hole 41 and a movable sliding groove 42 for rotating and limiting the cutting blade 4, the rotation hole 41 is matched with the rotation limiting column 311 to be connected in a rotation mode, and the movable sliding groove 42 is matched with the movable limiting column 221 to be connected in a limiting mode; the movable rod 31 moves in the through hole 3 to drive the rotation limiting column 311 to move to drive the cutting blades 4 to rotate, so that the distance and the height between every two cutting blades 4 are adjusted as shown in fig. 4 of the specification, and the movable rod is suitable for different injection molding parts.

Finally, as shown in fig. 1 and 5 of the drawings of the specification, the two sides of the movable rod 31 are provided with fixed threads 5, the fixed threads 5 are matched with fixed nuts 6, and the fixed nuts 6 limit and fix the movable rod 31, so that the cutting blade 4 is fixed, and the purpose is achieved.

Claims

1. The utility model provides a many mouth of a river cutting device of injection molding which characterized in that: comprises a cutting platform (1) and a cutting mechanism (2),

a rectangular cavity (11) is formed in the cutting platform (1), and one side of the rectangular cavity (11) of the injection molding piece placed on the cutting platform (1) is matched with the width of the injection molding nozzle material;

the cutting mechanism (2) comprises an air cylinder (21) and a cutting part (22), a piston rod (211) of the air cylinder (21) is fixedly connected with the bottom of the cutting part (22), a plurality of cutting blades (4) are arranged on the cutting part (22) in a limiting mode, the distance between every two cutting blades (4) is matched with the distance between every two injection molding parts, and the piston rod (211) of the air cylinder (21) is lifted to drive the cutting part (22) to lift from a rectangular cavity (11) so that the injection molding parts on the cutting platform (1) are cut by the cutting blades (4) to be separated from injection molding water gap materials.

2. The injection molding multi-nozzle cutting device according to claim 1, wherein: the plurality of cutting blades (4) are fixedly arranged on the cutting part (22).

3. The injection molding multi-nozzle cutting device according to claim 1, wherein: the cutting part (22) is provided with a movable limiting column (221) and a movable groove (222), and through holes (3) with the same axis are formed in the two sides of the movable groove (222) in a manner of being matched with the width of the movable groove (222);

a movable rod (31) is arranged in the through hole (3), a rotation limiting column (311) is arranged on the movable rod (31), and the rotation limiting column (311) extends out of two sides of the movable groove (222);

the cutting blade (4) is provided with a rotating hole (41) and a movable chute (42), the rotating hole (41) is matched with the rotating limiting column (311) to be connected in a rotating mode, and the movable chute (42) is matched with the movable limiting column (221) to be connected in a limiting mode;

the movable rod (31) moves in the through hole (3) to drive the rotation limiting column (311) to move so as to drive the cutting blades (4) to rotate and adjust the distance and the height between every two cutting blades (4).

4. A multi-nozzle cutting apparatus for injection molded parts according to claim 3, wherein: the movable rod (31) is characterized in that fixing threads (5) are arranged on two sides of the movable rod (31), fixing nuts (6) are arranged on the fixing threads (5) in a matched mode, and the movable rod (31) is limited and fixed by the fixing nuts (6).