A feeding mechanism of an injection molding machine

CN224928364UActive Publication Date: 2026-11-03BAZHOU CHUNSONG FURNITURE CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202521628226.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-01
Publication Date
2026-11-03
Estimated Expiration
2035-08-01

AI Technical Summary

Technical Problem

The existing feeding mechanism of injection molding machines is not easy to disassemble, which makes it difficult to maintain the transportation structure and increase or decrease the transportation quantity according to demand.

Method used

A feeding mechanism was designed, comprising a transport hopper, a transport belt, a drive shaft, a collection box, and a mixing tank. The transport hopper is detachable and combinable through positioning brackets and positioning bolts, and the raw materials are mixed in conjunction with a motor-driven stirring rod.

Benefits of technology

It enables flexible disassembly and assembly of the transport buckets, facilitating adjustments to the transport quantity according to needs, and improves the efficiency of raw material utilization through mixing via the stirring rod.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224928364U_ABST
    Figure CN224928364U_ABST
Patent Text Reader

Abstract

The utility model is suitable for flour processing technical field provides a kind of feeding mechanism of injection molding machine, including transport hopper: the transport belt of installing in the inside of transport hopper, the surface of transport belt is provided with partition, and transport belt plays the role of transport to material;Two groups of transmission shafts are arranged in the both ends of transport belt, and the inside of one group transmission shaft is equipped with first motor, and first motor is fixedly connected with transport hopper.This scheme provides the feeding mechanism of injection molding machine, by being provided with collecting box above stirring tank, and five groups of transport hoppers are distributed in the side of collecting box, just can complete respectively to be put into different raw material convergence to the inside of stirring tank, by the mixing of raw material in the inside of stirring tank by second motor driven stirring rod, it is convenient to use, when maintaining device, the fixing of positioning plate and positioning support can be released by rotating positioning bolt, in this way, the transport hopper of one group can be conveniently disassembled and replaced alone.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of injection molding machine technology, and in particular relates to a feeding mechanism for an injection molding machine. Background Technology

[0002] The feeding mechanism of an injection molding machine is an important component of the injection unit. Its main function is to transport plastic raw materials to the barrel and complete the plasticizing process. Plastic granules enter from the hopper and are transferred to the barrel heating zone by the screw or conveyor belt. The multi-feed pipe design supports the mixing of different raw materials in proportion, improving product diversity.

[0003] Chinese patent discloses a feeding mechanism for an injection molding machine, publication number CN 211363246 U. The paper proposes "using a multi-channel mixing feed hopper, which can perform online feeding of one or more materials, and is equipped with an online cleaning device to clean the feed hopper or the machine body without manual operation, effectively improving production efficiency".

[0004] However, the above scheme makes it inconvenient to disassemble the structure for transportation, dismantle and maintain the structure, or add or remove the transportation structure as needed to transport different quantities of raw materials. Utility Model Content

[0005] This utility model provides a feeding mechanism for an injection molding machine, which aims to solve the problem that the current structure is inconvenient to disassemble, disassemble and maintain the transport structure, or add or remove the transport structure as needed to transport different quantities of raw materials.

[0006] This utility model is implemented as follows: a feeding mechanism for an injection molding machine includes a transport hopper; a transport belt installed inside the transport hopper, the surface of which is provided with partition plates, and the transport belt transports materials; two sets of drive shafts located at both ends of the transport belt, one of which houses a first motor, which is fixedly connected to the transport hopper; an inlet at the top of the transport hopper and a outlet at one end of the transport hopper; a collection box located at the lower end of the transport hopper near the inlet, which collects the materials transported by the transport hopper; a mixing tank located at the end of the collection box away from the transport hopper, which mixes the materials; and a positioning bracket fixed to the side of the collection box near the transport hopper, located below the transport hopper. Support frames are fixed below both the positioning bracket and the collection box, providing support for the transport hopper and facilitating its installation.

[0007] Preferably, the transport buckets are provided in five groups, and the five groups of transport buckets are distributed in parallel. The bottom surface of the transport bucket is set as a sloping structure, and a positioning plate is fixed at the bottom of the transport bucket. A rectangular positioning groove is opened in the middle of the positioning plate.

[0008] Preferably, the number of positioning brackets is consistent with the number of transport buckets.

[0009] Preferably, the positioning bracket is configured as a right-angled trapezoidal structure, and the top of the positioning bracket is configured as an inclined surface structure, and the top surface of the positioning bracket is in contact with the bottom of the transport hopper.

[0010] Preferably, a positioning block is fixed on the side of the positioning bracket away from the collection box, and the position of the positioning block corresponds to the position of the positioning groove of the positioning plate, and the positioning block and the positioning groove are connected by insertion.

[0011] Preferably, positioning bolts are distributed on both sides of the positioning block of the positioning bracket, and a second threaded hole is provided at the connection between the positioning bolt and the positioning bracket. A first threaded hole is provided at the connection between the positioning plate and the positioning bolt, and the position of the first threaded hole corresponds to the position of the second threaded hole.

[0012] Preferably, the interior of the collection box is configured with a sloping structure.

[0013] Preferably, a second motor is installed on the top of the mixing tank, a stirring rod is connected below the second motor, the stirring rod is located inside the mixing tank, and a discharge port is connected to the bottom of the mixing tank.

[0014] Compared with related technologies, the feeding mechanism of the injection molding machine provided by this utility model has the following beneficial effects: By setting a collection box above the mixing tank, and having five sets of transport hoppers distributed on one side of the collection box, different raw materials can be fed into the mixing tank and collected. The mixing rod driven by the second motor can mix the raw materials inside the mixing tank, making the raw materials easier to use. When maintaining the device, the positioning plate and positioning bracket can be loosened by rotating the positioning bolts, which makes it easy to disassemble and replace one set of transport hoppers individually. Attached Figure Description

[0015] Figure 1 This is a frontal cross-sectional view of the present invention. Figure 2 This is a side sectional view of the present invention. Figure 3 This is a schematic diagram of the back of the present invention; Figure 4 This is a schematic diagram of the positioning bracket structure of this utility model; Figure 5This is a schematic diagram of the bottom structure of the transport hopper of this utility model.

[0016] In the diagram: 1. Transport hopper; 101. Inlet; 102. Outlet; 103. Positioning plate; 104. Positioning groove; 105. First threaded hole; 2. Conveyor belt; 3. Drive shaft; 301. First motor; 4. Positioning bracket; 401. Second threaded hole; 402. Positioning block; 5. Collection box; 6. Mixing tank; 601. Second motor; 602. Mixing rod; 603. Discharge port; 7. Support frame; 8. Positioning bolt. Detailed Implementation

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0018] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments. Example 1

[0019] A preferred embodiment of the feeding mechanism of the injection molding machine provided by this utility model is, for example... Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The image shows a feeding mechanism for an injection molding machine, comprising a transport hopper 1; a transport belt 2 installed inside the transport hopper 1, the surface of which is provided with partition plates, the transport belt 2 serving to transport materials; two sets of drive shafts 3 located at both ends of the transport belt 2, one of which has a first motor 301 installed inside, the first motor 301 being fixedly connected to the transport hopper 1; an inlet 101 at the top of the transport hopper 1, and a discharge port 102 at one end of the transport hopper 1; a collection box 5 located at the lower end of the transport hopper 1 near the inlet 101, the collection box 5 collecting the materials transported by the transport hopper 1; a mixing tank 6 located at the end of the collection box 5 away from the transport hopper 1, the mixing tank 6 mixing the materials; and a positioning bracket 4 fixed to the side of the collection box 5 near the transport hopper 1, the positioning bracket 4 being located below the transport hopper 1, and support frames 7 fixed below both the positioning bracket 4 and the collection box 5, the positioning bracket 4 and the support frames 7 supporting the installation of the transport hopper 1, facilitating the installation and assembly of the transport hopper 1.

[0020] It should be noted that the existing structure is not convenient to disassemble, maintain, or add or remove transport structures as needed to transport different quantities of raw materials.

[0021] In this embodiment, by fixing the transport bucket 1 to the positioning bracket 4, the transport bucket 1 can be replaced or added or removed as needed to meet different raw material mixing requirements.

[0022] In a further preferred embodiment of the present invention, five sets of transport buckets 1 are provided, and the five sets of transport buckets 1 are distributed in parallel. The bottom surface of the transport bucket 1 is set as an inclined structure, and a positioning plate 103 is fixed at the bottom of the transport bucket 1. A rectangular positioning groove 104 is opened in the middle of the positioning plate 103.

[0023] In this embodiment, the inclined structure allows the raw materials on the conveyor belt 2 to fall into the inside of the conveyor hopper 1 after falling, and then roll down to the discharge port 102 through the conveyor hopper 1.

[0024] In a further preferred embodiment of this utility model, the number of positioning brackets 4 is consistent with the number of transport buckets 1.

[0025] In this embodiment, the positioning bracket 4 can individually support and fix the transport bucket 1, which makes it convenient to disassemble and replace different transport buckets 1 individually.

[0026] In a further preferred embodiment of the present invention, the positioning bracket 4 is configured as a right-angled trapezoidal structure, and the top of the positioning bracket 4 is configured as an inclined surface structure, and the top surface of the positioning bracket 4 is in contact with the bottom of the transport hopper 1.

[0027] In this embodiment, the bottom of the transport bucket 1 can be supported, making it convenient to install and assemble the transport bucket 1.

[0028] In a further preferred embodiment of the present invention, a positioning block 402 is fixed on the side of the positioning bracket 4 away from the collection box 5, and the position of the positioning block 402 corresponds to the position of the positioning groove 104 of the positioning plate 103, and the positioning block 402 and the positioning groove 104 are connected by insertion.

[0029] In this embodiment, the basic combination positioning between the positioning bracket 4 and the transport bucket 1 can be conveniently achieved by the insertion and connection of the positioning block 402 and the positioning groove 104, which facilitates the combination and connection of the positioning bracket 4 and the transport bucket 1.

[0030] In a further preferred embodiment of the present invention, positioning bolts 8 are distributed on both sides of the positioning block 402 of the positioning bracket 4, and a second threaded hole 401 is provided at the connection between the positioning bolt 8 and the positioning bracket 4. A first threaded hole 105 is provided at the connection between the positioning plate 103 and the positioning bolt 8, and the position of the first threaded hole 105 corresponds to the position of the second threaded hole 401.

[0031] In this embodiment, by passing the positioning bolt 8 through the first threaded hole 105 and the second threaded hole 401, the positioning block 402 and the positioning plate 103 can be combined and fixed, thereby realizing the fixation between the positioning bracket 4 and the transport bucket 1.

[0032] In a further preferred embodiment of this utility model, the interior of the collection box 5 is configured as a sloping structure.

[0033] In this embodiment, the raw materials falling into the discharge port 102 of the transport hopper 1 are rolled into the interior of the mixing tank 6 through the inclined structure of the collection box 5, so that the raw materials transported by multiple sets of transport hoppers 1 can be collected inside the mixing tank 6.

[0034] In a further preferred embodiment of the present invention, a second motor 601 is installed on the top of the mixing tank 6, and a stirring rod 602 is connected below the second motor 601. The stirring rod 602 is located inside the mixing tank 6, and a discharge port 603 is connected to the bottom of the mixing tank 6.

[0035] In this embodiment, the stirring rod 602 driven by the second motor 601 can mix the raw materials inside the mixing tank 6, making it easier to use the raw materials.

[0036] In summary, a collection box 5 is set above the mixing tank 6, and five sets of transport hoppers 1 are distributed on one side of the collection box 5. Different raw materials can be put into the transport hoppers 1 respectively. Different raw materials can be transported to the discharge port 102 by the conveyor belt 2 inside the corresponding transport hopper 1, and finally discharged into the collection box 5. Then, through the inclined surface of the collection box 5, multiple sets of raw materials are gathered into the interior of the mixing tank 6. The stirring rod 602 driven by the second motor 601 can mix the raw materials inside the mixing tank 6, which facilitates the use of the raw materials. When maintaining the device, the positioning plate 103 and the positioning bracket 4 can be loosened by rotating the positioning bolt 8, which makes it easy to disassemble and replace one set of transport buckets 1 individually. When assembling, simply insert the positioning groove 104 of the positioning plate 103 into the positioning block 402 of the positioning bracket 4, and then use the positioning bolt 8 to connect the first threaded hole 105 and the second threaded hole 401 to complete the fixing of the transport bucket 1 and the positioning bracket 4.

[0037] It is worth noting that the circuits, electronic components, and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0038] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative; the division of units described above is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; the indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0039] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A feeding mechanism for an injection molding machine, characterized in that, include: Transport bucket (1): The conveyor belt (2) installed inside the transport hopper (1) has a partition plate on its surface and the conveyor belt (2) plays a role in transporting materials. Two sets of drive shafts (3) are set at both ends of the conveyor belt (2), and a first motor (301) is installed inside one of the drive shafts (3). The first motor (301) is fixedly connected to the conveyor bucket (1). The top of the conveyor bucket is provided with an inlet (101), and a discharge port (102) is provided below one end of the conveyor bucket (1). The collection box (5) is located at the lower end of the transport hopper (1) near the feed inlet (101), and the collection box (5) can collect the materials transported by the transport hopper (1); A mixing tank (6) is located at the end of the collection box (5) away from the transport hopper (1), and the mixing tank (6) can mix the materials. A positioning bracket (4) is fixed on the side of the collection box (5) near the transport hopper (1). The positioning bracket (4) is distributed below the transport hopper (1). A support frame (7) is fixed below both the positioning bracket (4) and the collection box (5). The positioning bracket (4) and the support frame (7) support the transport hopper (1) and facilitate the installation of the transport hopper (1).

2. The feeding mechanism of the injection molding machine as described in claim 1, characterized in that, The transport bucket (1) is provided in five groups, and the five groups of transport buckets (1) are distributed in parallel. The bottom surface of the transport bucket (1) is set as a sloping structure. A positioning plate (103) is fixed at the bottom of the transport bucket (1). A rectangular positioning groove (104) is opened in the middle of the positioning plate (103).

3. The feeding mechanism of the injection molding machine as described in claim 1, characterized in that, The number of positioning brackets (4) is consistent with the number of transport buckets (1).

4. The feeding mechanism of the injection molding machine as described in claim 1, characterized in that, The positioning bracket (4) is configured as a right-angled trapezoidal structure, and the top of the positioning bracket (4) is configured as an inclined structure, and the top surface of the positioning bracket (4) is in contact with the bottom of the transport bucket (1).

5. The feeding mechanism of the injection molding machine as described in claim 1, characterized in that, The positioning bracket (4) has a positioning block (402) fixed on the side away from the collection box (5), and the position of the positioning block (402) corresponds to the position of the positioning groove (104) of the positioning plate (103), and the positioning block (402) and the positioning groove (104) are connected by insertion.

6. The feeding mechanism of the injection molding machine as described in claim 2, characterized in that, Positioning bolts (8) are distributed on both sides of the positioning block (402) of the positioning bracket (4), and a second threaded hole (401) is provided at the connection between the positioning bolt (8) and the positioning bracket (4). A first threaded hole (105) is provided at the connection between the positioning plate (103) and the positioning bolt (8), and the position of the first threaded hole (105) corresponds to the position of the second threaded hole (401).

7. The feeding mechanism of the injection molding machine as described in claim 1, characterized in that, The interior of the collection box (5) is designed with a sloping structure.

8. The feeding mechanism of the injection molding machine as described in claim 1, characterized in that, A second motor (601) is installed on the top of the mixing tank (6), and a stirring rod (602) is connected below the second motor (601). The stirring rod (602) is located inside the mixing tank (6), and a discharge port (603) is connected to the bottom of the mixing tank (6).

Citation Information

Patent Citations

  • Feeding mechanism of injection molding machine

    CN211363246U