Injection molding device for rubber parts

Abstract

The utility model discloses an injection molding device for rubber part production, include: bottom plate, the top fixedly connected with injection molding machine main part and support of bottom plate, the top fixedly connected with the storage hopper of support, transmission frame, transmission frame fixedly connected at the top of storage hopper, the middle part of transmission frame is provided with the stirring assembly, and the stirring assembly is used for stirring the concentrated rubber raw material in storage hopper, material guide subassembly, material guide subassembly assembly is at the bottom of storage hopper, is used to provide raw material or discharge raw material in storage hopper to injection molding machine main part, the stirring assembly includes: transmission axle stem, transmission axle stem vertical rotary connection in the middle part of transmission frame, the utility model relates to rubber part production technical field, the utility model discloses through the structure cooperation of stirring assembly, can contact with the raw material in storage hopper with the aid of stirring roller and cleaning plate, realize the mixing between each raw material in storage hopper, ensure that all components are evenly distributed in the whole mixture, avoid the color difference of subsequent product.

Description

Technical Field

[0001] This utility model relates to the field of rubber parts manufacturing technology, specifically an injection molding device for rubber parts manufacturing. Background Technology

[0002] Rubber parts refer to components made of rubber materials. Due to their excellent elasticity, wear resistance, corrosion resistance and sealing properties, rubber parts have become an indispensable part of many products.

[0003] For rubber parts with complex shapes and high precision requirements, they are currently mainly produced using injection molding equipment.

[0004] However, traditional injection molding equipment lacks effective mixing measures for raw materials before heating, which makes it easy for subsequent products to have color differences due to uneven distribution of raw materials.

[0005] Therefore, this utility model provides an injection molding device for producing rubber parts to solve the above problems. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides an injection molding device for rubber parts production, which solves the aforementioned problems.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an injection molding device for producing rubber parts, comprising:

[0008] The base plate has an injection molding machine body and a support fixedly connected to its top end, and a material storage hopper is fixedly connected to the top end of the support.

[0009] A transmission frame is fixedly connected to the top of the storage hopper, and a stirring component is provided in the middle of the transmission frame. The stirring component is used to stir the rubber raw material concentrated in the storage hopper.

[0010] A material guiding assembly is installed at the bottom of the hopper and is used to supply raw materials to the main body of the injection molding machine or to discharge raw materials from the hopper.

[0011] Preferably, the mixing assembly includes:

[0012] A drive shaft is vertically rotatably connected to the middle of the transmission frame, and a stirring roller is fixedly connected to the bottom end of the drive shaft.

[0013] A drive motor is fixedly connected to the top end of a drive shaft. A drive spur gear is fixedly connected to the output end of the drive motor. A reduction spur gear is fixedly connected to the top end of the outer side of the drive shaft, and the reduction spur gear meshes with the drive spur gear.

[0014] A limiting seat is fixedly connected to the middle part of the outer side of the transmission shaft. A displacement rod is slidably connected to one end of the limiting seat away from the transmission shaft, and a cleaning plate is fixedly connected to one end of the displacement rod.

[0015] An adjustment assembly, which is mounted between the transmission frame and the displacement rod, is used to change the working position of the cleaning plate.

[0016] Preferably, the adjustment component includes:

[0017] The displacement plate has a cavity in the middle of the transmission shaft, and the displacement plate is vertically slidably connected inside the cavity. A limiting groove communicating with the cavity is provided at the bottom of the outer side of the transmission shaft.

[0018] An extension ear is slidably connected inside the limiting groove, and one end of the extension ear located inside the cavity is also fixedly connected to the displacement plate. A linkage rod is rotatably connected between the extension ear and the displacement rod.

[0019] A hydraulic cylinder is fixedly connected to the top of the transmission frame. A displacement plate is fixedly connected to the output end of the hydraulic cylinder. A guide rod is rotatably connected to the end of the displacement plate away from the hydraulic cylinder, and the bottom end of the guide rod is rotatably connected to the middle of the displacement plate.

[0020] Preferably, the feeding assembly includes:

[0021] The diverter pipe has a discharge pipe fixedly connected to the middle of its top end, and the top end of the discharge pipe is also fixedly connected to the storage hopper. The two ends of the bottom of the diverter pipe are respectively fixedly connected to a feed pipe and a discharge pipe, and the feed pipe is also connected to the inlet of the injection molding machine body.

[0022] An electric actuator is fixedly connected to one end of a flow divider. A flow control block is fixedly connected to the output end of the electric actuator, and the flow control block is located inside the flow divider.

[0023] Preferably, a plurality of mixing discs are fixedly connected to the outer side of the mixing roller, and a plurality of mixing fan blades are fixedly connected to the outer side of each mixing disc at an angle.

[0024] Preferably, the bottom end of the hopper is funnel-shaped, the bottom end of the cleaning plate is bent inward, and an assembly groove is provided in the middle of the side of the cleaning plate away from the displacement rod, and a scraper is fixedly connected inside the assembly groove.

[0025] Preferably, the ends of the extension ear and the displacement rod that are close to each other are provided with a rotating shaft, and the two ends of the linkage rod are respectively connected to the two rotating shafts.

[0026] Preferably, a retainer is fixedly connected to the top of the transmission frame, and the hydraulic cylinder is also fixedly connected to the retainer.

[0027] Beneficial effects

[0028] This utility model provides an injection molding device for producing rubber parts. Compared with the prior art, it has the following advantages:

[0029] This injection molding device for producing rubber parts, through the structural coordination of the mixing components, can achieve mixing of the raw materials in the hopper by means of the contact between the mixing roller and the cleaning plate and the raw materials in the hopper, ensuring that all components are evenly distributed in the entire mixture and avoiding color differences in subsequent products.

[0030] This injection molding device for rubber parts production, through the structural coordination of the material guiding component, can stably deliver raw materials to the main body of the injection molding machine, and can also conveniently draw out excess raw materials in the hopper by adjusting the flow control block inside the hopper. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0032] Figure 2 This is a side view of the present invention;

[0033] Figure 3 This is a schematic diagram of the internal structure of the material storage hopper of this utility model;

[0034] Figure 4 This is a schematic diagram of the material mixing assembly of this utility model;

[0035] Figure 5 This is a schematic diagram of the material guiding component of this utility model.

[0036] In the diagram: 1. Base plate; 2. Injection molding machine body; 3. Support frame; 4. Storage hopper; 5. Transmission frame; 6. Agitator assembly; 7. Guide assembly; 8. Transmission shaft; 9. Agitator roller; 10. Transmission motor; 11. Transmission spur gear; 12. Reduction spur gear; 13. Limit seat; 14. Displacement rod; 15. Cleaning plate; 16. Cavity; 17. Displacement plate; 18. Limiting through slot; 19. Extension ear; 20. Linkage rod; 21. Hydraulic cylinder; 22. Displacement plate; 23. Guide rod; 24. Diverter pipe; 25. Discharge pipe; 26. Feed pipe; 27. Discharge pipe; 28. Electric push rod; 29. ​​Flow control block. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0038] Example 1:

[0039] Please see Figure 1-4 An injection molding apparatus for producing rubber parts, comprising:

[0040] The bottom plate 1 is fixedly connected to the top of the injection molding machine body 2 and the bracket 3, and the top of the bracket 3 is fixedly connected to the material storage hopper 4.

[0041] The transmission frame 5 is fixedly connected to the top of the storage hopper 4. The middle part of the transmission frame 5 is provided with a stirring component 6, which is used to stir the rubber raw material concentrated in the storage hopper 4.

[0042] The material guiding assembly 7 is assembled at the bottom of the hopper 4 and is used to provide raw materials to the injection molding machine body 2 or to discharge raw materials from the hopper 4.

[0043] More specifically, the main body 2 of the injection molding machine includes:

[0044] Material cylinder: Used to hold rubber granules and heat them to melt.

[0045] Screw: Used to push rubber granules forward and melt them.

[0046] Nozzle: Used to inject molten rubber into the mold.

[0047] Heater: Used to heat the rubber granules inside the barrel.

[0048] Cooler: Used to cool the injection unit and prevent overheating;

[0049] In summary, the main body 2 of the injection molding machine is a mature existing technology, and will not be elaborated further here;

[0050] Please refer to Figure 3 In this embodiment, the mixing assembly 6 includes:

[0051] The transmission shaft 8 is vertically rotatably connected to the middle of the transmission frame 5, and the bottom end of the transmission shaft 8 is fixedly connected to the stirring roller 9.

[0052] A drive motor 10 is fixedly connected to the top end of the drive shaft 8. A drive spur gear 11 is fixedly connected to the output end of the drive motor 10. A reduction spur gear 12 is fixedly connected to the top end of the outer side of the drive shaft 8, and the reduction spur gear 12 meshes with the drive spur gear 11.

[0053] Limiting seat 13 is fixedly connected to the middle part of the outer side of the transmission shaft 8. A displacement rod 14 is slidably connected to one end of the limiting seat 13 away from the transmission shaft 8. A cleaning plate 15 is fixedly connected to one end of the displacement rod 14.

[0054] An adjustment assembly is installed between the transmission frame 5 and the displacement rod 14 to change the working position of the cleaning plate 15.

[0055] Please refer to Figure 3 In this embodiment, multiple mixing discs are fixedly connected to the outer side of the mixing roller 9, and multiple mixing fan blades are fixedly connected to the outer side of each mixing disc at an incline.

[0056] More specifically, by setting up the mixing plate, when the mixing roller 9 rotates, it can drive the mixing fan blades to contact the raw materials in the storage hopper 4 over a wider range, so that the raw materials in the storage hopper 4 can be effectively mixed.

[0057] Please refer to Figure 3 In this embodiment, the adjustment component includes:

[0058] The displacement plate 17 and the transmission shaft 8 have a cavity 16 in the middle. The displacement plate 17 is vertically slidably connected inside the cavity 16. The bottom of the outer side of the transmission shaft 8 has a limiting groove 18 that communicates with the cavity 16.

[0059] The extension ear 19 is slidably connected inside the limiting through groove 18, and one end of the extension ear 19 located inside the cavity 16 is also fixedly connected to the displacement piece 17. The extension ear 19 and the displacement rod 14 are rotatably connected by a linkage rod 20.

[0060] Hydraulic cylinder 21 is fixedly connected to the top of transmission frame 5. Displacement plate 22 is fixedly connected to the output end of hydraulic cylinder 21. A guide rod 23 is rotatably connected to the end of displacement plate 22 away from hydraulic cylinder 21, and the bottom end of guide rod 23 is rotatably connected to the middle of displacement plate 17.

[0061] Please refer to Figure 4 In this embodiment, the bottom end of the hopper 4 is funnel-shaped, the bottom end of the cleaning plate 15 is bent inward, and an assembly groove is provided in the middle of the side of the cleaning plate 15 away from the displacement rod 14. A scraper is fixedly connected inside the assembly groove.

[0062] More specifically, through the structural characteristics of the storage hopper 4, the raw materials in the storage hopper 4 can be concentrated in the middle of the bottom of the storage hopper 4, thereby making the raw materials in the storage hopper 4 more thoroughly discharged;

[0063] Furthermore, due to the structural characteristics of the cleaning plate 15, after the cleaning plate 15 approaches the inner wall of the storage hopper 4, it can contact the inner wall of the storage hopper 4 over a larger area. With the help of the scraper, when the cleaning plate 15 is in contact with the inner wall of the storage hopper 4, it can scrape off the raw materials attached to the inner wall of the storage hopper 4 in conjunction with the rotation of the transmission shaft 8.

[0064] Understandably, the scraper blade can be made of rubber.

[0065] Please refer to Figure 4 In this embodiment, the extension ear 19 and the displacement rod 14 are both provided with a rotating shaft at their close ends, and the two ends of the linkage rod 20 are respectively connected to the two rotating shafts.

[0066] More specifically, by setting the pivot, the linkage rod 20 can rotate flexibly between the extension ear 19 and the displacement rod 14, ensuring the linkage effect of the linkage rod 20.

[0067] Please refer to Figure 4 In this embodiment, a retainer is fixedly connected to the top of the transmission frame 5, and the hydraulic cylinder 21 is also fixedly connected to the retainer.

[0068] More specifically, the cage provides auxiliary support for the hydraulic cylinder 21, greatly ensuring the stability of its application.

[0069] Example 2:

[0070] Please see Figure 5 This embodiment provides a technical solution based on Embodiment 1: the material guiding component 7 includes:

[0071] Diverter pipe 24, with discharge pipe 25 fixedly connected to the middle of the top of the diverter pipe 24, and the top of discharge pipe 25 fixedly connected to hopper 4. Feed pipe 26 and discharge pipe 27 are fixedly connected to the two ends of the bottom of the diverter pipe 24 respectively, and feed pipe 26 is also connected to the inlet of injection molding machine body 2.

[0072] An electric push rod 28 is fixedly connected to one end of a diverter tube 24. A flow control block 29 is fixedly connected to the output end of the electric push rod 28, and the flow control block 29 is located inside the diverter tube 24.

[0073] More specifically, the outer side of the flow control block 29 is provided with multiple sealing grooves, and a sealing ring is fixedly connected inside each sealing groove. By setting the sealing ring, the connection gap between the flow control block 29 and the diversion pipe 24 can be sealed to prevent the raw material entering the diversion pipe 24 from flowing uncontrollably.

[0074] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0075] Working principle: First, various rubber raw materials are poured into the storage hopper 4 for collection. Then, the drive motor 10 is started to cause the drive spur gear 11 to drive the reduction spur gear 12. In turn, the drive shaft 8 drives the stirring roller 9 and the cleaning plate 15 to rotate. Through the contact between the stirring roller 9 and the cleaning plate 15 and the rubber raw materials, the raw materials can be mixed. During the rotation of the drive shaft 8, the hydraulic cylinder 21 can also be started to push the displacement plate 22 for vertical adjustment. Since the guide rod 23 is located between the displacement plate 22 and the displacement piece 17, when the displacement plate 22 is adjusted, the guide rod 23 can pull the displacement piece 17. In turn, the vertical height of the extension ear 19 can be adjusted by the displacement of the displacement piece 17. Since the linkage rod 20 is located between the extension ear 19 and the displacement rod 14, when the extension ear 19 is displaced, the linkage rod 20 can push the displacement rod 14, thereby changing the position of the cleaning plate 15, thus reducing the blind spot of the cleaning plate 15.

[0076] After the raw materials are mixed, the electric push rod 28 is activated to pull the flow control block 29 toward the discharge pipe 27. When the flow control block 29 releases the block from the discharge pipe 25, the raw materials inside the hopper 4 will fall through the discharge pipe 25 and flow along the diversion pipe 24 to the feed pipe 26, and finally be injected into the injection molding machine body 2 through the feed pipe 26. When it is necessary to stop the feeding, the electric push rod 28 is activated to push the flow control block 29 to the bottom of the discharge pipe 25, thereby blocking the discharge pipe 25 through the flow control block 29.

[0077] When it is necessary to discharge excess raw material from the storage hopper 4, the electric push rod 28 is activated to push the flow control block 29 to move towards the feed pipe 26. After the flow control block 29 passes the discharge pipe 25, the raw material in the storage hopper 4 will fall through the discharge pipe 25 and flow along the diversion pipe 24 to the discharge pipe 27, and finally be discharged through the discharge pipe 27.

[0078] After the raw material is discharged from the inner wall of the storage hopper 4, the hydraulic cylinder 21 is started to push the displacement plate 22 to move until the cleaning plate 15 is in contact with the inner wall of the storage hopper 4. Then the drive motor 10 is started to drive the cleaning plate 15 to adjust along the inner wall of the storage hopper 4 and scrape off the impurities attached to the inner wall of the storage hopper 4.

[0079] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0080] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An injection molding device for producing rubber parts, characterized in that: include: The bottom plate (1) is fixedly connected to the top of the injection molding machine body (2) and the bracket (3), and the top of the bracket (3) is fixedly connected to the material storage hopper (4); A transmission frame (5) is fixedly connected to the top of the storage hopper (4). A stirring component (6) is provided in the middle of the transmission frame (5). The stirring component (6) is used to stir the rubber raw materials concentrated in the storage hopper (4). The material guiding assembly (7) is assembled at the bottom of the hopper (4) and is used to provide raw materials to the injection molding machine body (2) or discharge raw materials from the hopper (4).

2. The injection molding device for producing rubber parts according to claim 1, characterized in that: The mixing assembly (6) includes: A transmission shaft (8) is vertically rotatably connected to the middle part of the transmission frame (5), and a stirring roller (9) is fixedly connected to the bottom end of the transmission shaft (8). A drive motor (10) is fixedly connected to the top end of a drive shaft (8). A drive spur gear (11) is fixedly connected to the output end of the drive motor (10). A reduction spur gear (12) is fixedly connected to the top end of the outer side of the drive shaft (8), and the reduction spur gear (12) meshes with the drive spur gear (11). A limiting seat (13) is fixedly connected to the middle part of the outer side of the transmission shaft (8). A displacement rod (14) is slidably connected to one end of the limiting seat (13) away from the transmission shaft (8). A cleaning plate (15) is fixedly connected to one end of the displacement rod (14). An adjustment assembly, which is mounted between the transmission frame (5) and the displacement rod (14), is used to change the working position of the cleaning plate (15).

3. The injection molding device for producing rubber parts according to claim 2, characterized in that: The adjustment component includes: The displacement plate (17) has a cavity (16) in the middle of the transmission shaft (8), and the displacement plate (17) is vertically slidably connected inside the cavity (16). The bottom end of the outer side of the transmission shaft (8) has a limiting groove (18) communicating with the cavity (16). An extension ear (19) is slidably connected inside the limiting through groove (18), and one end of the extension ear (19) located inside the cavity (16) is also fixedly connected to the displacement piece (17). A linkage rod (20) is rotatably connected between the extension ear (19) and the displacement rod (14). A hydraulic cylinder (21) is fixedly connected to the top of the transmission frame (5). A displacement plate (22) is fixedly connected to the output end of the hydraulic cylinder (21). A guide rod (23) is rotatably connected to the end of the displacement plate (22) away from the hydraulic cylinder (21), and the bottom end of the guide rod (23) is also rotatably connected to the middle of the displacement plate (17).

4. The injection molding device for producing rubber parts according to claim 1, characterized in that: The material guiding assembly (7) includes: The diversion pipe (24) has a discharge pipe (25) fixedly connected to the middle of the top end of the diversion pipe (24), and the top end of the discharge pipe (25) is also fixedly connected to the storage hopper (4). The two ends of the bottom of the diversion pipe (24) are respectively fixedly connected to the feeding pipe (26) and the discharge pipe (27), and the feeding pipe (26) is also connected to the inlet of the injection molding machine body (2). An electric push rod (28) is fixedly connected to one end of a diverter pipe (24). A flow control block (29) is fixedly connected to the output end of the electric push rod (28), and the flow control block (29) is located inside the diverter pipe (24).

5. The injection molding device for producing rubber parts according to claim 2, characterized in that: Multiple mixing discs are fixedly connected to the outer side of the mixing roller (9), and multiple mixing fan blades are fixedly connected to the outer side of each mixing disc at an incline.

6. The injection molding apparatus for producing rubber parts according to claim 3, characterized in that: The bottom of the hopper (4) is funnel-shaped, the bottom of the cleaning plate (15) is bent inward, and an assembly groove is provided in the middle of the side of the cleaning plate (15) away from the displacement rod (14). A scraper is fixedly connected inside the assembly groove.

7. The injection molding device for producing rubber parts according to claim 3, characterized in that: The extension ear (19) and the displacement rod (14) are both provided with a rotating shaft at their close ends, and the two ends of the linkage rod (20) are respectively connected to the two rotating shafts.

8. The injection molding apparatus for producing rubber parts according to claim 3, characterized in that: The top of the transmission frame (5) is fixedly connected to a retainer, and the hydraulic cylinder (21) is also fixedly connected to the retainer.

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