Drying and mixing device of injection molding machine

Abstract

The utility model relates to the technical field of injection molding machining, and discloses an injection molding machine drying and mixing device which comprises a mixing and drying mechanism, the surface of the mixing and drying mechanism is fixedly connected with a feeding hopper through bolts, the surface of the feeding hopper is rotationally connected with an annular gear through a rotating shaft, and a feeding piece is arranged on the side wall of an inner cavity of the annular gear; the surface of the annular gear is connected with two sets of pinions in a meshed mode, the bottoms of the two sets of pinions are fixedly connected with connecting rods through bolts, and braking parts are arranged at the bottoms of the two sets of connecting rods; through cooperative use of the brake part, the feeding part and other related assemblies, the whole feeding device is easy and convenient to use and operate, raw materials adhering to the inner wall of the feeding hopper can be rapidly scraped in the feeding process, meanwhile, the raw materials which are caked can be scattered, the feeding speed of the feeding device is increased, and the feeding efficiency of the feeding device is improved. And meanwhile, the drying and mixing effects, the actual working efficiency and the like can be further improved.

Description

Technical Field

[0001] The present application relates to the technical field of injection molding, and in particular to a drying and mixing device for an injection molding machine. Background Art

[0002] Injection molding machine dry mixing refers to putting the plastic raw materials into the drying equipment for drying treatment to remove moisture and other impurities in the raw materials that may affect the molding quality, and then mixing the dried raw materials with color powder, additives, etc. to achieve the required formula and performance requirements;

[0003] In the utility model with the Chinese patent authorization announcement number "CN218928444U", it is disclosed that "a drying and mixing device suitable for an injection molding machine, which relates to the technical field of injection molding machine mixing, comprises a material guide pipe and a support member, the support member comprises an I-shaped base and two support columns, the two support columns are respectively fixed vertically on both sides of the upper end of the I-shaped base, the axial ends of the material guide pipe are respectively fixed on the upper end surfaces of the two support columns, the power shaft of the motor rotates and extends into the material guide pipe and is connected to a conveying screw, each material distribution hole opening is connected to a rubber hose, the end of the rubber hose is connected to a drying cylinder and the drying cylinder can swing up and down with the rubber hose as the center The heating tube is fixed to the end of the drying cylinder away from the rubber hose. After the raw materials to be mixed are introduced from the feed hopper into the guide tube, the motor drives the conveying screw to rotate and convey the raw materials along the inside of the guide tube. During the conveying process, the raw materials enter the drying cylinder through various material distribution holes, and the heating tube is used to dry the part of the raw materials entering the drying cylinder. The drying cylinder can swing up and down with the rubber hose as the center, and the raw materials introduced into the drying cylinder can be introduced into the guide tube again. In this process, the raw materials can be mixed, and the drying and uniform mixing operation can be achieved during the material guiding process, thereby improving the efficiency of mixing. It is simple and practical.

[0004] With respect to the above-mentioned related technologies, the inventor believes that the above-mentioned utility model can dry and evenly mix the raw materials by using its heating tube, drying cylinder, guide tube and other components in combination. However, in the process of feeding the materials through the feed hopper, some raw materials may contain high moisture content, and thus may adhere to the inner wall of the feed hopper during feeding, thereby affecting the feeding speed and the overall processing efficiency. At the same time, some raw materials contain high moisture content and may clump, thereby affecting the drying and mixing effect and efficiency.

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to solve the problem that raw materials may adhere to the inner wall of the feed hopper and form lumps during the feeding process of the existing dry mixing device, affecting the feeding speed, as well as the dry mixing effect and efficiency, the present application provides a dry mixing device for an injection molding machine.

[0007] The present application provides an injection molding machine drying and mixing device that adopts the following technical solution:

[0008] A drying and mixing device for an injection molding machine comprises a mixing and drying mechanism, the surface of the mixing and drying mechanism is fixedly connected to a feed hopper by bolts, a control box is provided on one side of the feed hopper, the bottom of the control box is fixedly connected to a support frame by bolts, the bottom of the support frame is fixedly connected to the surface of the mixing and drying mechanism by bolts, the surface of the feed hopper is rotatably connected to a ring gear by a rotating shaft, a feed piece is provided on the inner cavity side wall of the ring gear, and the feed piece is arranged inside the feed hopper, two groups of pinion gears are meshed and connected on the surface of the ring gear, the bottoms of the two groups of pinion gears are fixedly connected to connecting rods by bolts, the bottoms of the two groups of connecting rods are rotated through the control box and extend to the inside of the control box, the bottoms of the two groups of connecting rods are provided with brake pieces, and the brake pieces are arranged inside the control box.

[0009] Preferably, the feed part includes a scraper bar, a limit bar, an annular frame and a prismatic frame, the inner cavity side wall of the annular gear is fixedly connected with two groups of scrapers by bolts, the inner cavity side walls of the two groups of scrapers are slidably connected with the limit bar, and the bottom of the limit bar is fixedly connected to the top of the feed hopper.

[0010] Preferably, the bottoms of the two groups of scrapers are fixedly connected to an annular frame by bolts, the surface of the annular frame is rotatably connected to the inner cavity side wall of the feed hopper by a rotating shaft, and the inner cavity side wall of the annular frame is fixedly connected to a prismatic frame by bolts.

[0011] Preferably, the braking component includes a fixed rod, a worm, a worm wheel, a driving motor, a first synchronous wheel, a second synchronous wheel and a synchronous belt. The bottom of the inner cavity of the control box is fixedly connected to the driving motor by bolts, the driving motor is fixedly connected to the first synchronous wheel via an output shaft, the first synchronous wheel is meshed with the second synchronous wheel via a synchronous belt, and the first synchronous wheel and the second synchronous wheel are fixedly connected to the fixed rod by bolts on the side away from the driving motor.

[0012] Preferably, the ends of the two groups of fixed rods away from the first synchronous wheel are rotatably connected to the side wall of the inner cavity of the control box through a rotating shaft, the surfaces of the two groups of fixed rods are fixedly connected to worms, the surfaces of the two groups of worms are meshingly connected to worm wheels, the tops of the two groups of worm wheels are fixedly connected to the bottom of the connecting rods by bolts, and the bottoms of the two groups of worm wheels are rotatably connected to the bottom of the inner cavity of the control box through a rotating shaft.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] Through the coordinated use of brake parts, feeding parts and other related components, and the use of driving motors, synchronous wheels, worm gears and other brake parts for transmission, the two sets of small gears can be driven to rotate, thereby driving the ring gear to rotate, and at this time, the scraper bar can be driven to scrape up the raw materials remaining adhered to the inner wall of the feed hopper. At the same time, during the rotation process, the prismatic frame inside the ring frame can be used to break up the agglomerated raw materials; compared with the existing technology, the overall use and operation is simple, and during the feeding process, the raw materials adhering to the inner wall of the feed hopper can be quickly scraped up, and the agglomerated raw materials can be broken up, thereby increasing the feeding speed and further improving the drying and mixing effect and actual work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of a three-dimensional structure from a first-view perspective of an embodiment of the application;

[0016] Figure 2 is a cross-sectional view of a control box of an embodiment of the application and a schematic diagram of a partial structure of related components;

[0017] Figure 3 It is a schematic diagram of the partial structure of the feed hopper and related components of the embodiment of the application.

[0018] Explanation of the reference numerals in the accompanying drawings: 1. mixing and drying mechanism; 2. supporting frame; 3. control box; 4. feed hopper; 5. ring gear; 6. pinion; 7. fixing rod; 8. worm; 9. worm wheel; 10. driving motor; 11. first synchronous wheel; 12. second synchronous wheel; 13. synchronous belt; 14. scraper strip; 15. limit strip; 16. ring frame; 17. prismatic frame; 18. connecting rod. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-3 This application is described in further detail.

[0020] The present application embodiment discloses a dry mixing device for an injection molding machine. Figure 1-3, an injection molding machine drying and mixing device, comprising a mixing and drying mechanism 1, the surface of the mixing and drying mechanism 1 is fixedly connected to a feed hopper 4 by bolts, a control box 3 is arranged on one side of the feed hopper 4, the bottom of the control box 3 is fixedly connected to a support frame 2 by bolts, the bottom of the support frame 2 is fixedly connected to the surface of the mixing and drying mechanism 1 by bolts, the surface of the feed hopper 4 is rotatably connected to a ring gear 5 by a rotating shaft, the inner cavity side wall of the ring gear 5 is provided with a feed piece, and the feed piece is arranged inside the feed hopper 4, the surface of the ring gear 5 is meshedly connected to two groups of pinion gears 6, the bottoms of the two groups of pinion gears 6 are fixedly connected to connecting rods 18 by bolts, and the bottoms of the two groups of connecting rods 18 are rotated through The control box 3 extends to the interior of the control box 3. The bottom of the two groups of connecting rods 18 is provided with a brake, and the brake is arranged inside the control box 3. The feeding part includes a scraper bar 14, a limit bar 15, an annular frame 16 and a prism frame 17. The inner cavity side wall of the ring gear 5 is fixedly connected with the two groups of scrapers 14 by bolts. The inner cavity side walls of the two groups of scrapers 14 are slidably connected with the limit bar 15. The bottom of the limit bar 15 is fixedly connected to the top of the feed hopper 4. The bottom of the two groups of scrapers 14 is fixedly connected with the annular frame 16 by bolts. The surface of the annular frame 16 is rotatably connected to the inner cavity side wall of the feed hopper 4 through a rotating shaft. The inner cavity side wall of the annular frame 16 is fixedly connected with the prism frame 17 by bolts.

[0021] By adopting the above technical scheme, the raw materials can be dried and mixed by providing a material guide pipe, a drying cylinder and other components in the mixing and drying mechanism 1. For details, please refer to the utility model with the Chinese patent authorization announcement number "CN218928444U". The details will not be repeated here. When feeding through the feed hopper 4, the brake part in the control box 3 can be used for transmission, so that the two groups of pinions 6 on the top of the connecting rod 18 can be driven to rotate synchronously, and at this time, the ring gear 5 connected to the surface of the feed hopper 4 can be driven to rotate, and the two groups of scraping strips 14 slidingly connected to the surface of the limit strip 15 can be driven to scrape up the raw materials remaining on the inner wall of the feed hopper 4, and during the movement of the scraping strip 14, the annular frame 16 at the bottom can be driven to rotate, so that the prismatic frame 17 inside the annular frame 16 can be used to break up the agglomerated raw materials, so as to facilitate better drying and mixing operations.

[0022] Reference Figure 1 and Figure 2The brake member includes a fixed rod 7, a worm 8, a worm wheel 9, a drive motor 10, a first synchronous wheel 11, a second synchronous wheel 12 and a synchronous belt 13. The bottom of the inner cavity of the control box 3 is fixedly connected to the drive motor 10 by bolts. The drive motor 10 is fixedly connected to the first synchronous wheel 11 through an output shaft. The first synchronous wheel 11 is meshedly connected to the second synchronous wheel 12 through a synchronous belt 13. The first synchronous wheel 11 and the second synchronous wheel 12 are fixedly connected to the fixed rod 7 by bolts on the side away from the drive motor 10. One end of the two sets of fixed rods 7 away from the first synchronous wheel 11 is rotatably connected to the inner cavity side wall of the control box 3 through a rotating shaft. The surfaces of the two sets of fixed rods 7 are fixedly connected to the worm 8. The surfaces of the two sets of worm 8 are meshedly connected to the worm wheel 9. The tops of the two sets of worm wheels 9 are fixedly connected to the bottom of the connecting rod 18 by bolts. The bottoms of the two sets of worm wheels 9 are rotatably connected to the bottom of the inner cavity of the control box 3 through a rotating shaft.

[0023] By adopting the above technical solution, the output is provided by the drive motor 10 provided inside the control box 3, which can drive the first synchronous wheel 11 and the second synchronous wheel 12 meshing with the synchronous belt 13 to rotate synchronously, thereby driving the two sets of fixed rods 7 and the worm 8 on the surface thereof to rotate. At this time, the two sets of worm wheels 9 meshing with the worm 8 can drive the connecting rod 18 fixedly connected on the top to rotate synchronously. The drive motor 10 can be a Maxon EC45 flat DC brushless motor, and the speed of the motor can be controlled by adjusting the current. A larger current usually leads to a higher speed, and vice versa. The controller can achieve the desired speed by adjusting the current. At the same time, changing the current flow direction of adjacent coils can change the direction of the motor. For example, by switching the current flow direction from one group of coils to another group of coils, the rotation direction of the motor can be changed.

[0024] The implementation principle of a drying and mixing device for an injection molding machine in the embodiment of the present application is as follows: the raw materials can be dried and mixed by means of a material guide pipe and a drying cylinder and other components provided in a mixing and drying mechanism 1. When feeding through a feed hopper 4, the output is provided by a drive motor 10 provided inside a control box 3, which can drive a first synchronous wheel 11 and a second synchronous wheel 12 meshingly connected with a synchronous belt 13 to rotate synchronously, thereby driving two sets of fixed rods 7 and worms 8 on their surfaces to rotate. At this time, the two sets of worm wheels 9 meshingly connected with the worms 8 can drive a connecting rod 18 fixedly connected at the top thereof to rotate synchronously, thereby driving two sets of pinions 6 at the top of the connecting rod 18 to rotate synchronously. The ring gear 5 connected to the surface of the feed hopper 4 can be driven to rotate, and the two groups of scraping strips 14 connected to the surface of the limit strip 15 can be driven to scrape up the raw materials remaining and adhering to the inner wall of the feed hopper 4. In the process of the scraping strip 14 moving, the ring frame 16 at the bottom can be driven to rotate, so that the prismatic frame 17 inside the ring frame 16 can be used to break up the agglomerated raw materials, so as to facilitate better drying and mixing operations. The overall operation is simple and easy to use. During the feeding process, the raw materials adhering to the inner wall of the feed hopper 4 can be quickly scraped up, and the agglomerated raw materials can be broken up, thereby improving the feeding speed and further improving the drying and mixing effect and actual work efficiency.

[0025] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0026] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0027] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0028] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A drying and mixing device for an injection molding machine, comprising a mixing and drying mechanism (1), characterized in that: The surface of the mixing and drying mechanism (1) is fixedly connected to a feed hopper (4) by bolts, a control box (3) is provided on one side of the feed hopper (4), the bottom of the control box (3) is fixedly connected to a support frame (2) by bolts, the bottom of the support frame (2) is fixedly connected to the surface of the mixing and drying mechanism (1) by bolts, the surface of the feed hopper (4) is rotatably connected to a ring gear (5) by a rotating shaft, the inner cavity side wall of the ring gear (5) is provided with a feed piece, and the feed piece is arranged inside the feed hopper (4), the surface of the ring gear (5) is meshingly connected to two groups of pinion gears (6), the bottoms of the two groups of pinion gears (6) are fixedly connected to connecting rods (18) by bolts, the bottoms of the two groups of connecting rods (18) are rotated through the control box (3) and extend to the inside of the control box (3), the bottoms of the two groups of connecting rods (18) are provided with brake components, and the brake components are arranged inside the control box (3).

2. The dry mixing device for an injection molding machine according to claim 1, characterized in that: The feeding member comprises a scraper bar (14), a limit bar (15), an annular frame (16) and a prismatic frame (17); the inner cavity side wall of the annular gear (5) is fixedly connected with two groups of scrapers (14) by bolts; the inner cavity side walls of the two groups of scrapers (14) are slidably connected with the limit bar (15); the bottom of the limit bar (15) is fixedly connected to the top of the feeding hopper (4).

3. The dry mixing device for an injection molding machine according to claim 2, characterized in that: The bottoms of the two groups of scrapers (14) are fixedly connected to an annular frame (16) by bolts, the surface of the annular frame (16) is rotatably connected to the inner cavity side wall of the feed hopper (4) by a rotating shaft, and the inner cavity side wall of the annular frame (16) is fixedly connected to a prismatic frame (17) by bolts.

4. The dry mixing device for an injection molding machine according to claim 1, characterized in that: The brake component comprises a fixed rod (7), a worm (8), a worm wheel (9), a driving motor (10), a first synchronous wheel (11), a second synchronous wheel (12) and a synchronous belt (13); the bottom of the inner cavity of the control box (3) is fixedly connected to the driving motor (10) by bolts; the driving motor (10) is fixedly connected to the first synchronous wheel (11) by an output shaft; the first synchronous wheel (11) is meshedly connected to the second synchronous wheel (12) by a synchronous belt (13); the first synchronous wheel (11) and the second synchronous wheel (12) are fixedly connected to the fixed rod (7) by bolts on the side away from the driving motor (10).

5. The dry mixing device for an injection molding machine according to claim 4, characterized in that: The ends of the two sets of fixed rods (7) away from the first synchronous wheel (11) are rotatably connected to the inner cavity side wall of the control box (3) via a rotating shaft, the surfaces of the two sets of fixed rods (7) are fixedly connected to worms (8), the surfaces of the two sets of worms (8) are meshingly connected to worm wheels (9), the tops of the two sets of worm wheels (9) are fixedly connected to the bottom of the connecting rod (18) via bolts, and the bottoms of the two sets of worm wheels (9) are rotatably connected to the inner cavity bottom of the control box (3) via a rotating shaft.

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