Feeding mechanism for injection molding machine

Abstract

The utility model relates to the technical field of feeding mechanisms, in particular to a feeding mechanism for an injection molding machine, which comprises a feeding pipeline, one end of the feeding pipeline is fixedly connected with a sealing cover, the surface of the sealing cover is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, and the surface of the rotating shaft is fixedly connected with a propeller. The outer side of the motor is sleeved with a protective shell, a dustproof net is fixedly connected to the surface of the protective shell, a clamping block is fixedly connected to the surface of the dustproof net, a clamping seat is fixedly connected to the surface of the protective shell, a square groove is formed in the top surface of the clamping block, and a first insertion block is slidably connected to the interior of the square groove; springs are fixedly installed on the side faces of the first insertion blocks, and the other ends of the springs are fixedly connected with second insertion blocks, so that connection of the dustproof net and the protection shell is achieved, the connection mode of the dustproof net and the protection shell is simpler and more convenient, meanwhile, the dustproof net is disassembled and assembled in the later period, and the convenience and working efficiency of cleaning the dustproof net are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding mechanisms, in particular to a feeding mechanism for an injection molding machine. Background Art

[0002] Injection molding machine is also called injection molding machine or injection machine. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. When using an injection molding machine to inject objects, the heated and melted plastic needs to be fed into the mold cavity by a feeding mechanism, and after cooling and solidification, a molded product is obtained. Publication No.: CN213321506U discloses a high-efficiency mixing and stirring feeding mechanism for an injection molding machine, comprising a feeding channel, a motor is fixed on one side surface of the feeding channel, the output shaft of the motor is rotatably connected with a rotating shaft, the rotating shaft rotates and penetrates one side outer wall of the feeding channel, the rotating shaft extends to the inner cavity of the feeding channel and is fixed with a fixing seat on both side surfaces, a threaded groove is provided on one side surface of the fixing seat, the internal thread of the threaded groove is connected with a threaded sleeve, the threaded sleeve extends to the outer wall of the fixing seat and is fixedly penetrated by a connecting rod through the inner wall, a mounting plate is fixed to the end of the connecting rod, a mounting groove is provided on one side surface of the mounting plate, a connecting spring evenly distributed is fixed on the inner surface of the mounting groove, a brush head is fixed to the end of the connecting spring, and one side surface of the brush head contacts the inner wall of one side of the feeding channel; by providing the brush head, the rotating shaft can brush the inner wall of the feeding channel while rotating, thereby ensuring the introduction of the material by the feed port. However, during the use of the above technology, the dustproof net and the protective shell are connected together by screws. After the device is used for a long time, the gaps in the dustproof net will be blocked by dust and flocs. At this time, the dustproof net needs to be removed for cleaning. However, the screw connection method makes disassembly and assembly inconvenient, and the purpose of quickly disassembling and assembling the dustproof net cannot be achieved. The disassembly and assembly work efficiency is low, which is not conducive to improving the work efficiency of cleaning the dustproof net. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a feeding mechanism for an injection molding machine, comprising a feeding pipe, a feeding hopper is fixedly connected to the surface of the feeding pipe, a sealing cover is fixedly connected to one end of the feeding pipe, a motor is fixedly connected to the surface of the sealing cover, a rotating shaft is fixedly connected to the output end of the motor, a propeller is fixedly connected to the surface of the rotating shaft, a protective shell is sleeved on the outer side of the motor, the protective shell is fixedly connected to the sealing cover, heat dissipation holes are opened on the surface of the protective shell, a dustproof net is fixedly connected to the surface of the dustproof net, a clamping block is fixedly connected to the surface of the protective shell, a clamping seat is fixedly connected to the surface of the protective shell, a square groove is opened on the top surface of the clamping block, a first plug-in block is slidably connected to the inside of the square groove, a spring is fixedly installed on the side of the first plug-in block, and a second plug-in block is fixedly connected to the other end of the spring.

[0005] Preferably, a U-shaped cardboard is fixedly connected to the surface of the protective shell, and the U-shaped cardboard has two groups, and a dustproof net is slidably connected between the two groups of U-shaped cardboards. Here, the card holder and the card block can be quickly aligned.

[0006] Preferably, a first pressing rod is fixedly installed on the side of the first plug block, and a second pressing rod is fixedly installed on the side of the second plug block. Here, it is convenient to press the first plug block and the second plug block.

[0007] Preferably, a slot is provided on the surface of the card holder, and the slot is located directly below the square groove, so that the first plug-in block and the second plug-in block can be conveniently inserted into the slot.

[0008] Preferably, the number of the first plug blocks is two groups, and the two groups of the first plug blocks are symmetrically distributed on both sides of the middle of the dustproof net, and the number of the second plug blocks is two groups, and the two groups of the second plug blocks are symmetrically distributed on both sides of the middle of the dustproof net. Here, the firmness of the connection between the dustproof net and the protective shell can be improved.

[0009] Preferably, there are two groups of heat dissipation holes, which are symmetrically distributed on both sides of the middle of the protective shell. Here, when there is wind, the air in the protective shell can be convected to improve the heat dissipation effect of the motor.

[0010] Preferably, the output end of the motor is fixedly connected to a connecting block, one end of the rotating shaft is fixedly connected to a square block, the connecting block is inserted into the inside of the square block, a circular hole is opened on the surface of the square block, a socket is opened on the surface of the connecting block, bolts are inserted into the inside of the circular hole and the socket, one end of the bolt is threadedly connected to a nut, here, the rotating shaft can be separated from the output end of the motor, so as to facilitate the repair and replacement of the faulty motor.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, the first plug-in block, the second plug-in block, the spring and the slot structure realize the connection between the dustproof net and the protective shell, making the connection between the dustproof net and the protective shell simpler and more convenient. At the same time, the dustproof net can be disassembled and assembled later, thereby improving the convenience and work efficiency of cleaning the dustproof net.

[0013] 2. In the utility model, the blocks, connecting blocks, bolts and nuts can fix the rotating shaft to the output end of the motor, and can also facilitate the separation of the rotating shaft from the output end of the motor, so as to facilitate the repair and replacement of the faulty motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of a feeding mechanism for an injection molding machine is provided for the utility model;

[0015] Figure 2 The utility model provides an exploded schematic diagram of a feeding mechanism for an injection molding machine;

[0016] Figure 3 The utility model provides a schematic diagram of a dustproof net for a feeding mechanism of an injection molding machine;

[0017] Figure 4 The utility model proposes a feeding mechanism for an injection molding machine Figure 2 Enlarged view of point A in the middle;

[0018] Legend:

[0019] 1. Feeding pipe; 2. Sealing cover; 3. Feed hopper; 4. Motor; 5. Protective shell; 6. Heat dissipation hole; 7. Dust screen; 8. Block; 9. Card seat; 10. Square groove; 11. Slot; 12. First plug-in block; 13. Spring; 14. Second plug-in block; 15. First pressure rod; 16. Second pressure rod; 17. U-shaped card plate; 18. Rotating shaft; 19. Propeller; 20. Block; 21. Connecting block; 22. Round hole; 23. Socket; 24. Bolt; 25. Nut. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1

[0023] See also Figure 1-4 The utility model provides a technical solution: a feeding mechanism for an injection molding machine, comprising a feeding pipe 1, a feeding hopper 3 is fixedly connected to the surface of the feeding pipe 1, a sealing cover 2 is fixedly connected to one end of the feeding pipe 1, a motor 4 is fixedly connected to the surface of the sealing cover 2, a rotating shaft 18 is fixedly connected to the output end of the motor 4, a propeller 19 is fixedly connected to the surface of the rotating shaft 18, a protective shell 5 is sleeved on the outer side of the motor 4, the protective shell 5 is fixedly connected to the sealing cover 2, a heat dissipation hole 6 is opened on the surface of the protective shell 5, a dustproof net 7 is fixedly connected to the surface of the dustproof net 7, a card block 8 is fixedly connected to the surface of the protective shell 5, a card seat 9 is fixedly connected to the surface of the protective shell 5, a square groove 10 is opened on the top surface of the card block 8, a first plug block 12 is slidably connected to the inside of the square groove 10, a spring 13 is fixedly installed on the side of the first plug block 12, and a second plug block 14 is fixedly connected to the other end of the spring 13, and a protective A U-shaped card plate 17 is fixedly connected to the surface of the shell 5, and there are two groups of U-shaped card plates 17. A dustproof net 7 is slidably connected between the two groups of U-shaped card plates 17, where the card seat 9 can be quickly aligned with the card block 8, a first pressure rod 15 is fixedly installed on the side of the first plug block 12, and a second pressure rod 16 is fixedly installed on the side of the second plug block 14, where it is convenient to press the first plug block 12 and the second plug block 14, a slot 11 is opened on the surface of the card seat 9, and the position of the slot 11 is located directly below the square groove 10, where it is convenient to insert the first plug block 12 and the second plug block 14 into the slot 11, the number of the first plug block 12 is two groups, and the two groups of first plug blocks 12 are symmetrically distributed on the surfaces of both sides of the middle part of the dustproof net 7, the number of the second plug blocks 14 is two groups, and the two groups of second plug blocks 14 are symmetrically distributed on both sides of the middle part of the dustproof net 7, where the firmness of the connection between the dustproof net 7 and the protective shell 5 can be improved.

[0024] Embodiment 2

[0025] See also Figure 1-4 There are two groups of heat dissipation holes 6, and the two groups of heat dissipation holes 6 are symmetrically distributed on both sides of the middle part of the protective shell 5. Here, the air in the protective shell 5 can be convected in the case of wind, thereby improving the heat dissipation effect of the motor 4. The output end of the motor 4 is fixedly connected with a connecting block 21, and one end of the rotating shaft 18 is fixedly connected with a block 20. The connecting block 21 is inserted into the inside of the block 20. A circular hole 22 is provided on the surface of the block 20, and a socket 23 is provided on the surface of the connecting block 21. Bolts 24 are inserted into the inside of the circular hole 22 and the socket 23, and a nut 25 is threadedly connected to one end of the bolt 24. The rotating shaft 18 can be separated from the output end of the motor 4 here, so as to facilitate the repair and replacement of the faulty motor 4.

[0026] Working principle: During use, after the feeding mechanism has been used for a period of time, a large amount of dust and flocs will be attached to the dustproof net 7 on both sides of the protective shell 5. When the dustproof net 7 needs to be cleaned, first press the first pressure rod 15 and the second pressure rod 16 on both sides of the card block 8, and then the first plug block 12 and the second plug block 14 are squeezed to slide in the square groove 10 and squeeze the spring 13, and then the dustproof net 7 is taken out from between the two U-shaped card plates 17 and the dustproof net 7 is cleaned. If the motor 4 fails, first separate the sealing cover 2 from the feeding pipe 1, and then remove the sealing cover 2 connecting the rotating shaft 18 from the inside of the feeding pipe 1, and then remove the bolts 24 and the nuts 25, and then remove the protective shell 5 and then disassemble the motor 4 and the sealing cover 2, and then the motor 4 can be removed and repaired or replaced.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A feeding mechanism for an injection molding machine, comprising a feeding pipe (1), characterized in that: The surface of the feeding pipe (1) is fixedly connected to a feeding hopper (3), one end of the feeding pipe (1) is fixedly connected to a sealing cover (2), the surface of the sealing cover (2) is fixedly connected to a motor (4), the output end of the motor (4) is fixedly connected to a rotating shaft (18), the surface of the rotating shaft (18) is fixedly connected to a propeller (19), the outer side of the motor (4) is provided with a protective shell (5), the protective shell (5) is fixedly connected to the sealing cover (2), and the surface of the protective shell (5) is open. A heat dissipation hole (6) is provided, a dustproof net (7) is fixedly connected to the surface of the protective shell (5), a clamping block (8) is fixedly connected to the surface of the dustproof net (7), a clamping seat (9) is fixedly connected to the surface of the protective shell (5), a square groove (10) is provided on the top surface of the clamping block (8), a first plug-in block (12) is slidably connected inside the square groove (10), a spring (13) is fixedly installed on the side of the first plug-in block (12), and the other end of the spring (13) is fixedly connected to the second plug-in block (14).

2. The feeding mechanism for an injection molding machine according to claim 1, characterized in that: A U-shaped card plate (17) is fixedly connected to the surface of the protective shell (5), and there are two groups of the U-shaped card plates (17). A dustproof net (7) is slidably connected between the two groups of the U-shaped card plates.

3. The feeding mechanism for an injection molding machine according to claim 1, characterized in that: A first pressure rod (15) is fixedly mounted on the side of the first plug block (12), and a second pressure rod (16) is fixedly mounted on the side of the second plug block (14).

4. The feeding mechanism for an injection molding machine according to claim 1, characterized in that: A slot (11) is provided on the surface of the card seat (9), and the slot (11) is located directly below the square groove (10).

5. The feeding mechanism for an injection molding machine according to claim 1, characterized in that: The number of the first plug blocks (12) is two groups, and the two groups of the first plug blocks (12) are symmetrically distributed on the surfaces of both sides of the middle part of the dustproof net (7); the number of the second plug blocks (14) is two groups, and the two groups of the second plug blocks (14) are symmetrically distributed on both sides of the middle part of the dustproof net (7).

6. The feeding mechanism for an injection molding machine according to claim 1, characterized in that: There are two groups of heat dissipation holes (6), and the two groups of heat dissipation holes (6) are symmetrically distributed on both sides of the middle of the protective shell (5).

7. The feeding mechanism for an injection molding machine according to claim 1, characterized in that: The output end of the motor (4) is fixedly connected to a connecting block (21), one end of the rotating shaft (18) is fixedly connected to a block (20), the connecting block (21) is inserted into the inside of the block (20), a circular hole (22) is provided on the surface of the block (20), an insertion hole (23) is provided on the surface of the connecting block (21), bolts (24) are inserted into the inside of the circular hole (22) and the insertion hole (23), and one end of the bolt (24) is threadedly connected to a nut (25).

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