CN214820283U

CN214820283U - Injection molding device

Info

Publication number: CN214820283U
Application number: CN202121664581.0U
Authority: CN
Inventors: 曾建宏
Original assignee: Huizhou Aibaote Intelligent Technology Co ltd
Current assignee: Huizhou Aibaote Intelligent Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-11-23
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to an injection molding device, which comprises a back plate, a runner plate, a middle plate and a plurality of injection molding components; the runner plate is provided with a plate groove, the middle plate is positioned in the plate groove, the bottom of the plate groove is provided with a plurality of runner holes, the middle plate is provided with a plurality of through holes, each through hole is aligned with one runner hole, and each through hole and one runner hole are penetrated by an injection molding assembly; the upper bulge of the runner plate is provided with a plurality of connecting rods, the back plate is connected with the runner plate through the connecting rods, and the back plate seals the plate groove. The injection molding assembly can be stably fixed in the injection molding device by arranging the plate groove on the runner plate, arranging the middle plate in the plate groove and fixedly arranging the injection molding assembly in the through hole arranged on the middle plate and the runner hole arranged on the runner plate; when the subassembly of moulding plastics breaks down or needs regular maintenance simultaneously, only need tear the intermediate lamella out, just can tear out all the subassembly of moulding plastics and maintain or change spare part, very convenient.

Description

Injection molding device

Technical Field

The utility model relates to a technical field of moulding plastics especially relates to a device of moulding plastics.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.

The cylinder temperature of the injection molding device of the existing three-plate type hot runner is higher, and parts in the cylinder are abraded due to the higher temperature, so that the parts need to be replaced regularly. The injection molding assembly or the air cylinder in the existing injection molding device with a plurality of hot runners are independently installed and fixed, so that the injection molding assembly or the air cylinder needs to be detached one by one when being detached, and the operation is very troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection molding device to solve the problem of mentioning in the above-mentioned background art.

The technical scheme of the utility model is to provide an injection molding device, which comprises a back plate, a runner plate, a middle plate and a plurality of injection molding components; the runner plate is provided with a plate groove, the intermediate plate is positioned in the plate groove, the bottom of the plate groove is provided with a plurality of runner holes, the intermediate plate is provided with a plurality of through holes, each through hole is aligned with one runner hole, and each through hole and one runner hole are penetrated by one injection molding assembly; the upper bulge of the runner plate is provided with a plurality of connecting rods, the back plate is connected with the runner plate through the connecting rods, and the back plate seals the plate groove.

In one embodiment, the injection molding assembly comprises a cylinder, an injection molding nozzle and a piston, one end of the piston is movably arranged in the cylinder, the other end of the piston is connected with the injection molding nozzle, the injection molding nozzle is arranged in the runner hole, the cylinder is connected with the back plate, and at least part of the injection molding nozzle protrudes out of the runner hole.

In one embodiment, a glue inlet disc is arranged on one surface of the back plate, which faces away from the runner plate, and a glue inlet is formed in the middle of the glue inlet disc.

In one embodiment, the back plate is provided with a containing groove, the bottom of the containing groove is provided with a glue injection port, the glue injection port is aligned with the glue inlet, a partition plate is arranged in the containing groove, a glue inlet pipe is arranged on the partition plate in a protruding mode, and the glue inlet pipe penetrates through the glue injection port and is connected with the glue inlet disc.

In one embodiment, a first water cooling channel is arranged in the back plate, the first water cooling channel is arranged in the back plate in a surrounding manner, a first water inlet and a first water outlet are formed in one side of the back plate, and the first water inlet is communicated with the first water outlet through the first water cooling channel.

In one embodiment, a second water-cooling channel is arranged in the runner plate, the second water-cooling channel is arranged in the runner plate in a surrounding manner, a second water inlet and a second water outlet are formed in one side of the runner plate, and the second water inlet is communicated with the second water outlet through the second water-cooling channel.

In one embodiment, the side edges of the back plate and the runner plate are respectively provided with a first mounting groove and a second mounting groove, the first mounting groove and the second mounting groove are aligned, and the bottom of the first mounting groove is provided with a mounting hole.

In one embodiment, the through holes are arranged on the middle plate at equal intervals, and each injection molding assembly passes through one through hole at the same height.

In one embodiment, the outer side wall of the runner plate is provided with an interface socket.

The utility model has the advantages that: the injection molding assembly can be stably fixed in the injection molding device by arranging the plate groove on the runner plate, arranging the middle plate in the plate groove and fixedly arranging the injection molding assembly in the through hole arranged on the middle plate and the runner hole arranged on the runner plate; when the subassembly of moulding plastics breaks down or needs regular maintenance simultaneously, only need tear the intermediate lamella out, just can tear out all the subassembly of moulding plastics and maintain or change spare part, very convenient.

Drawings

FIG. 1 is a schematic perspective exploded view of an embodiment of an injection molding apparatus;

FIG. 2 is a schematic perspective exploded view of the injection molding apparatus in another direction according to an embodiment;

FIG. 3 is a schematic view of an embodiment of an injection molding apparatus according to one direction;

FIG. 4 is a schematic perspective view of an embodiment of an injection molding assembly in one direction.

In the drawings, 10, an injection molding apparatus; 100. a back plate; 101. feeding a rubber plate; 102. a glue inlet; 103. a glue injection port; 104. a first mounting groove; 105. mounting holes; 106. a containing groove; 200. a runner plate; 201. a connecting rod; 202. a flow passage hole; 203. a plate groove; 204. a second mounting groove; 205. an interface socket; 300. a partition plate; 301. feeding a rubber tube; 400. a middle plate; 500. an injection molding assembly; 501. a cylinder; 502. a piston; 503. an injection molding nozzle; 601. a first water inlet; 602. a first water outlet; 701. a second water inlet; 702. a second water outlet.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience of description and simplicity of description, but does not indicate or imply that the equipment or components referred to must have specific orientations, be constructed in specific orientations, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art will understand the specific meanings of the terms according to specific situations.

In one embodiment, as shown in fig. 1 and 2, an injection molding apparatus 10 includes a back plate 100, a runner plate 200, an intermediate plate 400, and a number of injection molding assemblies 500; the runner plate 200 is provided with a plate groove 203, the intermediate plate 400 is located in the plate groove 203, the bottom of the plate groove 203 is provided with a plurality of runner holes 202, the intermediate plate 400 is provided with a plurality of through holes, each through hole is aligned with one runner hole 202, and each through hole and one runner hole 202 are penetrated by one injection molding assembly 500; the runner plate 200 is provided with a plurality of connecting rods 201 in a protruding manner, the back plate is connected with the runner plate 200 through the connecting rods 201, and the back plate 100 seals the plate grooves 203.

Specifically, the injection molding assembly 500 is firmly fixed on the runner plate 200 by the middle plate 400, and the through holes formed in the middle plate 400 are arranged at equal intervals, that is, the injection molding assembly 500 is also arranged at equal intervals on the middle plate 400. The back plate 100 and the runner plate 200 are fixedly connected by the connecting rod 201. The runner plate 200 is provided with runner holes 202, each of the runner holes 202 is provided with one of the injection molding assemblies 500, and at least part of the injection molding assembly 500 protrudes to the surface of the runner plate 200, which faces away from the back plate 100. By so doing, the injection molding assembly 500 can be securely mounted in the injection molding apparatus 10; meanwhile, when the injection molding assembly 500 breaks down or needs to be maintained regularly, all the injection molding assemblies 500 can be detached for maintenance or part replacement only by detaching the middle plate 400, which is very convenient.

In one embodiment, as shown in fig. 4, the injection molding assembly 500 includes a cylinder 501, an injection nozzle 503 and a piston 502, one end of the piston 502 is movably disposed in the cylinder 501, the other end of the piston 502 is connected to the injection nozzle 503, the injection nozzle 503 is disposed in the flow passage hole 202, the cylinder 501 is connected to the back plate 100, and the injection nozzle 503 at least partially protrudes out of the flow passage hole 202. Specifically, the cylinder 501 is used to push the piston 502 to move in the injection nozzle 503, so as to push the injection sol in the injection nozzle 503 out to the injection mold. One end of the piston 502 is slidably disposed in the cylinder 501, and the other end of the piston 502 is slidably connected to the injection nozzle 503. Through the arrangement, the air cylinder 501 pushes the piston 502 to inject the injection-molding sol into the injection mold more quickly, so that the injection-molding efficiency is improved.

In order to make the injection molding sol better enter the injection molding device 10, in an embodiment, as shown in fig. 1, a glue inlet disc 101 is disposed on a surface of the back plate 100 facing away from the runner plate 200, and a glue inlet 102 is opened in the middle of the glue inlet disc 101. Specifically, the back plate 100 is provided with a rubber inlet disc 101, the rubber inlet disc 101 is used for being connected with an external rubber inlet channel, the rubber inlet disc 101 is provided with a screw hole, and the screw hole is used for connecting the rubber inlet disc 101 with the external rubber inlet channel stably through a bolt. By the arrangement, the external rubber inlet pipe 301 can be stably arranged on the rubber inlet disc 101, so that the injection molding sol can better enter the injection molding device 10, and the injection molding sol is prevented from leaking.

In this embodiment, the back plate 100 is provided with a receiving groove 106, the bottom of the receiving groove 106 is provided with a glue injection port 103, the glue injection port 103 is aligned with the glue inlet 102, the receiving groove 106 is provided with a partition plate 300, the partition plate 300 is provided with a glue inlet pipe 301 in a protruding manner, and the glue inlet pipe 301 passes through the glue injection port 103 and is connected with the glue inlet tray 101. Specifically, the partition plate 300 is provided so that the sol entering the injection molding devices 10 is distributed to the injection molding devices 10 through the partition plate 300, and the sol is injected into the injection mold by the injection molding devices 10.

In order to reduce the temperature of the back plate 100 during operation, in an embodiment, as shown in fig. 3, a first water-cooling channel is disposed in the back plate 100, the first water-cooling channel is disposed in the back plate 100 in a surrounding manner, a first water inlet 601 and a first water outlet 602 are disposed at one side of the back plate 100, and the first water inlet 601 and the first water outlet 602 are communicated through the first water-cooling channel. Specifically, the first cold water channel is circumferentially arranged inside the back plate 100, when the injection molding device 10 operates, cold water is introduced at the first water inlet 601, and the cold water flows along the first water cooling channel, that is, the cold water flows circumferentially inside the back plate 100, so as to take away heat in the back plate 100, and finally the introduced cold water is discharged at the first water outlet 602, so that the temperature of the back plate 100 is reduced.

In order to reduce the temperature of the flow channel plate 200 during operation, in an embodiment, as shown in fig. 3, a second water-cooling channel is disposed in the flow channel plate 200, the second water-cooling channel is disposed around the flow channel plate 200, a second water inlet 701 and a second water outlet 702 are disposed on one side of the flow channel plate 200, and the second water inlet 701 and the second water outlet 702 are communicated through the second water-cooling channel. Specifically, the second cold water channel is circumferentially disposed inside the runner plate 200, when the injection molding device 10 is in operation, by introducing cold water at the second water inlet 701, the cold water will flow along the second water cooling channel, that is, the cold water will circumferentially flow inside the runner plate 200, so as to take away heat inside the runner plate 200, and finally, the introduced cold water is discharged at the second water outlet 702, so as to achieve the purpose of reducing the temperature of the back plate 100.

In order to stably connect the back plate 100 and the flow channel plate 200, in one embodiment, as shown in fig. 1 and 2, the side edges of the back plate 100 and the flow channel plate 200 are respectively provided with a first mounting groove 104 and a second mounting groove 204, the first mounting groove 104 is aligned with the second mounting groove 204, and the bottom of the first mounting groove 104 is provided with a mounting hole 105. Specifically, the first mounting groove 104 and the second mounting groove 204 are communicated, and a mounting hole 105 is formed in the bottom of the first mounting groove 104, and the mounting hole 105 is used for being connected with a connecting rod 201 of an injection molding device, so that the back plate 100 and the runner plate 200 can be stably mounted on the injection molding device.

In one embodiment, the through holes are spaced apart from each other at equal intervals on the middle plate 400, and each injection molding assembly 500 is equally spaced through one of the through holes. By arranging the injection molding assemblies 500 in the above manner, the injection molding nozzles 503 are on the same plane, so that the sol flows into the injection mold uniformly, and the injection molding effect is better.

In one embodiment, the flow field plate 200 has an interface socket 205 disposed on an outer sidewall thereof. In particular, the interface socket 205 is used for connecting with an injection molding apparatus, thereby enabling control of the injection molding apparatus 10.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An injection molding device is characterized by comprising a back plate, a runner plate, a middle plate and a plurality of injection molding components;

the runner plate is provided with a plate groove, the intermediate plate is positioned in the plate groove, the bottom of the plate groove is provided with a plurality of runner holes, the intermediate plate is provided with a plurality of through holes, each through hole is aligned with one runner hole, each through hole and one runner hole are penetrated by one injection molding assembly, and the injection molding assembly at least partially protrudes out of the runner holes;

the upper bulge of the runner plate is provided with a plurality of connecting rods, the back plate is connected with the runner plate through the connecting rods, and the back plate seals the plate groove.

2. An injection molding apparatus as claimed in claim 1, wherein said injection molding assembly comprises a cylinder, an injection nozzle and a piston, one end of said piston is movably disposed in said cylinder, the other end of said piston is connected to said injection nozzle, said injection nozzle is disposed in said runner hole, said cylinder is connected to said back plate, and said injection nozzle at least partially protrudes out of said runner hole.

3. An injection molding device as claimed in claim 1, wherein a glue inlet plate is disposed on a side of the back plate opposite to the runner plate, and a glue inlet is disposed in the middle of the glue inlet plate.

4. An injection molding device according to claim 3, wherein the back plate is provided with a receiving groove, the bottom of the receiving groove is provided with a glue injection port, the glue injection port is aligned with the glue inlet, the receiving groove is provided with a partition plate, the partition plate is provided with a glue inlet pipe in a protruding manner, and the glue inlet pipe penetrates through the glue injection port and is connected with the glue inlet disc.

5. The injection molding device according to claim 1, wherein a first water cooling channel is arranged in the back plate, the first water cooling channel is arranged in the back plate in a surrounding manner, a first water inlet and a first water outlet are formed in one side of the back plate, and the first water inlet is communicated with the first water outlet through the first water cooling channel.

6. The injection molding device according to claim 1, wherein a second water cooling channel is arranged in the runner plate, the second water cooling channel is arranged in the runner plate in a surrounding manner, a second water inlet and a second water outlet are formed in one side of the runner plate, and the second water inlet is communicated with the second water outlet through the second water cooling channel.

7. The injection molding device of claim 1, wherein the side edges of the back plate and the runner plate are respectively provided with a first mounting groove and a second mounting groove, the first mounting groove and the second mounting groove are aligned, and a mounting hole is formed at the bottom of the first mounting groove.

8. An injection molding apparatus as claimed in claim 1, wherein said through holes are equally spaced on said intermediate plate, and each of said injection molding assemblies is equally tall through one of said through holes.

9. An injection molding apparatus as claimed in any one of claims 1-8, wherein an interface socket is provided on an exterior sidewall of said runner plate.