Injection molding equipment

Abstract

The utility model discloses injection molding equipment which comprises a bottom plate, four supporting legs are fixedly connected to the bottom of the bottom plate, two baffles are fixedly connected to the top of the bottom plate, an upper mold plate is fixedly connected between the upper ends of the two baffles, and a plurality of protruding blocks different in size are fixedly connected to the bottom of the upper mold plate. A plurality of convex blocks are fixedly connected to the top of the baffle, a material distributing pipe is arranged in each convex block, the bottom of each material distributing pipe communicates with the outside, the tops of the material distributing pipes are jointly and fixedly connected with a material guiding pipe, the top of the material guiding pipe is fixedly connected with an injection molding pipe, the injection molding pipe communicates with the outside, and a mounting plate is fixedly connected between the lower ends of the two baffles. Through mutual cooperation of the bottom plate, the protruding block, the material pushing rod, the pushing plate and other components, injection molding can be conducted on multiple packaging cups of different sizes at the same time, different molds do not need to be replaced, and therefore the injection molding efficiency of the packaging cups is improved, operation is easy, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, in particular to an injection molding device. Background Art

[0002] Food packaging cups usually come in two types: plastic cups and paper cups. Generally, plastic packaging cups are injection molded by injection molding machines during the production process.

[0003] For example, Chinese patent publication number CN215589799U discloses an injection molding machine for packaging cup production that is easy to replace molds, including an injection molding machine body, which is installed on the top of a mounting frame through a fixed column with a supporting function, and the fixed plate is fixedly connected to the upper end of a mounting block in a "earth"-shaped structure, and the limiting mechanism includes a connecting column with a threaded outer surface, a limiting plate arranged outside the connecting column, and a fixed sleeve arranged above the limiting plate. This injection molding machine for packaging cup production that is easy to replace molds is convenient for limiting molds of different sizes.

[0004] However, in the above solution, the device is not convenient for simultaneously injecting multiple packaging cups of different sizes when in use. Different molds need to be replaced to achieve injection molding of packaging cups of different sizes, which is cumbersome to operate, resulting in low injection molding efficiency of the packaging cups and low convenience. Utility Model Content

[0005] The utility model provides an injection molding device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An injection molding device comprises a base plate, wherein four supporting feet are fixedly connected to the bottom of the base plate, two baffles are fixedly connected to the top of the base plate, an upper template is fixedly connected between the upper ends of the two baffles, a plurality of protrusions of different sizes are fixedly connected to the bottom of the upper template, each of the protrusions is provided with a material distribution pipe, the bottom of each of the material distribution pipes is connected with the outside world, a plurality of material distribution pipes are commonly fixedly connected with a material guide pipe on the top, an injection tube is fixedly connected to the top of the material guide pipe, the injection tube is connected with the outside world, a mounting plate is fixedly connected between the lower ends of the two baffles, the top of the base plate is connected with a lower template through a movable structure, a plurality of mold grooves of different sizes are opened on the top of the lower template, the plurality of mold grooves are respectively matched with a plurality of protrusions, and a pushing structure is provided at the bottom of each mold groove.

[0008] As a further improvement of the present technical solution: the movable structure includes a telescopic cylinder, which is fixedly connected to the top side wall of the base plate, the protruding end of the telescopic cylinder penetrates the side wall of the mounting plate and is slidably connected to the mounting plate, the protruding end of the telescopic cylinder is fixedly connected to the bottom side wall of the lower template, four vertical rods are fixedly connected to the top of the base plate, the tops of the four vertical rods all penetrate the side wall of the mounting plate, the tops of the four vertical rods are each provided with a sliding groove, the four sliding grooves are each slidably connected to a sliding rod, and the tops of the four sliding rods are each fixedly connected to the bottom side wall of the lower template.

[0009] As a further improvement of the present technical solution: the plurality of pushing structures include a plurality of extrusion grooves, and the plurality of extrusion grooves are respectively opened on the bottom side walls of each die groove, and the bottom of each extrusion groove is connected to the outside world, and a sliding cavity is opened on the outer ring side walls of each extrusion groove, and a push plate is slidably connected in each sliding cavity, and a push block is fixedly connected to the top of each push plate, and a spring is sleeved on the outer ring side walls of each push block, and the top of each spring is fixedly connected to the top side wall of the corresponding sliding cavity, and the bottom of each spring is fixedly connected to the top side wall of the corresponding push plate, and the top of each push block is flush with the corresponding die groove, and a plurality of pushing rods are fixedly connected to the top of the mounting plate, and the plurality of pushing rods are unevenly arranged, and the plurality of pushing rods are respectively directly below a plurality of mounting plates.

[0010] As a further improvement of the technical solution: each of the springs is made of stainless steel.

[0011] As a further improvement of the technical solution: a rubber pad is provided on the top of each push rod.

[0012] Compared with the prior art, the beneficial effect of the utility model is that the device can simultaneously perform injection molding on a plurality of packaging cups of different sizes through the mutual cooperation of the bottom plate, the protrusion, the push rod, the push plate and other components, without the need to replace different molds, thereby improving the injection molding efficiency of the packaging cups, being simple to operate and highly practical.

[0013] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0015] Figure 1 This is a schematic diagram of a front cross-sectional structure of an injection molding device proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of a front cross-sectional structure of an injection molding device proposed by the utility model;

[0017] Figure 3 for Figure 1 A is a schematic diagram of the partially enlarged structure of the middle part;

[0018] Figure 4 The utility model is a schematic diagram of the three-dimensional structure of a lower template in an injection molding device.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] 1. Bottom plate; 2. Telescopic cylinder; 3. Vertical rod; 4. Sliding groove; 5. Sliding rod; 6. Extrusion groove; 7. Lower template; 8. Bump; 9. Distribution pipe; 10. Injection tube; 11. Material guide pipe; 12. Upper template; 13. Baffle; 14. Push block; 15. Push rod; 16. Mounting plate; 17. Support foot; 18. Mold groove; 19. Spring; 20. Sliding cavity; 21. Push plate. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0022] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] See also Figure 1-4 In the embodiment of the utility model, an injection molding device includes a base plate 1, four supporting feet 17 are fixedly connected to the bottom of the base plate 1, two baffles 13 are fixedly connected to the top of the base plate 1, an upper template 12 is fixedly connected between the upper ends of the two baffles 13, a plurality of protrusions 8 of different sizes are fixedly connected to the bottom of the upper template 12, each protrusion 8 is provided with a material distribution pipe 9, the bottom of each material distribution pipe 9 is connected to the outside world, a plurality of material distribution pipes 9 are commonly fixedly connected with a guide pipe 11 on the top, an injection tube 10 is fixedly connected to the top of the guide tube 11, the injection tube 10 is connected to the outside world, a mounting plate 16 is fixedly connected between the lower ends of the two baffles 13, the top of the base plate 1 is connected to a lower template 7 through a movable structure, a plurality of mold grooves 18 of different sizes are opened on the top of the lower template 7, the plurality of mold grooves 18 are respectively matched with the plurality of protrusions 8, and a pushing structure is provided at the bottom of each mold groove 18.

[0025] See also Figure 1-2 The moving structure includes a telescopic cylinder 2, which is fixedly connected to the top side wall of the base plate 1, and the extended end of the telescopic cylinder 2 penetrates the side wall of the mounting plate 16 and is slidably connected to the mounting plate 16. The extended end of the telescopic cylinder 2 is fixedly connected to the bottom side wall of the lower template 7. Four vertical rods 3 are fixedly connected to the top of the base plate 1, and the tops of the four vertical rods 3 all penetrate the side wall of the mounting plate 16. The tops of the four vertical rods 3 are all provided with sliding grooves 4, and the four sliding grooves 4 are all slidably connected with sliding rods 5. The tops of the four sliding rods 5 are all fixedly connected to the bottom side wall of the lower template 7. By starting the telescopic cylinder 2, the extended end of the telescopic cylinder 2 drives the lower template 7 to move upward, so that the multiple mold grooves 18 are stuck on the outer ring side walls of the multiple protrusions 8, and the top of the lower template 7 is against the bottom side wall of the upper template 12, and the injection molding work can be started.

[0026] See also Figure 1-3, multiple material pushing structures include multiple extrusion grooves 6, multiple extrusion grooves 6 are respectively opened on the bottom side wall of each die groove 18, the bottom of each extrusion groove 6 is connected to the outside, a sliding cavity 20 is opened on the outer ring side wall of each extrusion groove 6, a push plate 21 is slidably connected in each sliding cavity 20, a push block 14 is fixedly connected to the top of each push plate 21, a spring 19 is sleeved on the outer ring side wall of each push block 14, the top of each spring 19 is fixedly connected to the top side wall of the corresponding sliding cavity 20, the bottom of each spring 19 is fixedly connected to the top side wall of the corresponding push plate 21, and the top of each push block 14 is flush with the corresponding die groove 18, and is installed A plurality of push rods 15 are fixedly connected to the top of the mounting plate 16, and the plurality of push rods 15 are unevenly arranged. The plurality of push rods 15 are respectively directly below the plurality of mounting plates 16, and the lower template 7 is driven downward by starting the telescopic cylinder 2 to separate the lower template 7 from the upper template 12. When the lower template 7 moves downward, the plurality of push rods 15 on the top of the mounting plate 16 will enter the plurality of extrusion grooves 6 due to the downward movement of the lower template 7, and then will squeeze the push plate 21, so that the push plate 21 drives the push block 14 to move upward, so that the push block 14 squeezes the packaging cup in the die groove 18, so that the top of the packaging cup extends out of the die groove 18, thereby facilitating the quick removal of the packaging cup.

[0027] See also Figure 1-3 Each spring 19 is made of stainless steel to prevent the springs 19 from being affected by rust.

[0028] See also Figure 1-2 A rubber pad is provided on the top of each push rod 15 to protect the bottom of the plurality of push plates 21 and prevent the top of the push rod 15 from scratching the bottom of the push plate 21 .

[0029] The working principle of the utility model is as follows: by starting the telescopic cylinder 2, the extended end of the telescopic cylinder 2 drives the lower template 7 to move upward, so that the plurality of mold grooves 18 are stuck on the outer ring side walls of the plurality of protrusions 8, and the top of the lower template 7 is against the bottom side wall of the upper template 12, and then the injection material enters the guide tube 11 through the injection tube 10, and then is introduced into the plurality of mold grooves 18 through the plurality of distribution tubes 9, so that the packaging cup is injection molded through the gap between the mold groove 18 and the protrusion 8, and at the same time, the injection molded packaging cup is cooled by the cooling structure to solidify the packaging cup, and then the lower template 7 is driven by starting the telescopic cylinder 2 to move upward. The upper mold plate 12 is moved downward to separate the lower mold plate 7 from the upper mold plate 12. When the lower mold plate 7 moves downward, the multiple push rods 15 on the top of the mounting plate 16 will enter the multiple extrusion grooves 6 due to the downward movement of the lower mold plate 7, and then will squeeze the push plate 21, so that the push plate 21 drives the push block 14 to move upward, so that the push block 14 squeezes the packaging cup in the mold groove 18, and the top of the packaging cup extends out of the mold groove 18, so as to facilitate the rapid removal of the packaging cup. By setting a plurality of protrusions 8 of different sizes and a plurality of mold grooves 18 of different sizes, a plurality of packaging cups of different sizes can be injection molded at the same time, thereby improving the injection molding efficiency of the packaging cup.

[0030] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. An injection molding device, comprising a base plate (1), characterized in that: The bottom of the base plate (1) is fixedly connected to four supporting feet (17), the top of the base plate (1) is fixedly connected to two baffles (13), an upper template (12) is fixedly connected between the upper ends of the two baffles (13), the bottom of the upper template (12) is fixedly connected to a plurality of protrusions (8) of different sizes, each of the protrusions (8) is provided with a material distribution pipe (9), the bottom of each of the material distribution pipes (9) is connected to the outside, and the tops of the plurality of material distribution pipes (9) are fixedly connected to a material guide pipe ( 11), the top of the material guide tube (11) is fixedly connected to an injection tube (10), the injection tube (10) is connected to the outside, a mounting plate (16) is fixedly connected between the lower ends of the two baffles (13), the top of the bottom plate (1) is connected to a lower template (7) through a movable structure, the top of the lower template (7) is provided with a plurality of mold grooves (18) of different sizes, the plurality of mold grooves (18) are respectively matched with a plurality of protrusions (8), and a material pushing structure is provided at the bottom of each mold groove (18).

2. The injection molding device according to claim 1, characterized in that: The movable structure comprises a telescopic cylinder (2), the telescopic cylinder (2) is fixedly connected to the top side wall of the base plate (1), the extended end of the telescopic cylinder (2) passes through the side wall of the mounting plate (16) and is slidably connected to the mounting plate (16), the extended end of the telescopic cylinder (2) is fixedly connected to the bottom side wall of the lower template (7), the top of the base plate (1) is fixedly connected with four vertical rods (3), the tops of the four vertical rods (3) all pass through the side wall of the mounting plate (16), the tops of the four vertical rods (3) are all provided with sliding grooves (4), the four sliding grooves (4) are all slidably connected with sliding rods (5), and the tops of the four sliding rods (5) are all fixedly connected to the bottom side wall of the lower template (7).

3. The injection molding device according to claim 1, characterized in that: The plurality of material pushing structures include a plurality of extrusion grooves (6), the plurality of extrusion grooves (6) are respectively arranged on the bottom side wall of each die groove (18), the bottom of each extrusion groove (6) is connected to the outside, a sliding cavity (20) is arranged on the outer ring side wall of each extrusion groove (6), a push plate (21) is slidably connected in each sliding cavity (20), a push block (14) is fixedly connected to the top of each push plate (21), and a spring (19) is sleeved on the outer ring side wall of each push block (14). ), the top of each spring (19) is fixedly connected to the top side wall of the corresponding sliding cavity (20), the bottom of each spring (19) is fixedly connected to the top side wall of the corresponding push plate (21), the top of each push block (14) is flush with the corresponding mold groove (18), and a plurality of push rods (15) are fixedly connected to the top of the mounting plate (16), and the plurality of push rods (15) are arranged in uneven heights, and the plurality of push rods (15) are respectively located directly below a plurality of mounting plates (16).

4. The injection molding device according to claim 3, characterized in that: Each of the springs (19) is made of stainless steel.

5. The injection molding device according to claim 3, characterized in that: A rubber pad is provided on the top of each push rod (15).

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