Waste treatment device for injection molding machine
By designing a mixing barrel device with a sprocket plate and crushing leaves, the problem of poor waste treatment caused by the crushing structure gap in the prior art is solved, and more efficient waste crushing and convenient material collection are achieved.
Patent Information
- Application Number
- CN202420793461.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-17
AI Technical Summary
In the existing waste treatment device of injection molding machines, the gap between the crushing structure and the sill causes poor repeated crushing and processing, and it is impossible to effectively treat waste with larger particles.
A device including a mixing barrel, a squeezing plate, a squeezing leaf and a motor drive is designed. The squeezing plate is driven to rotate through the agitating barrel, and the waste material is turned on the squeezing leaf for re-milling, and through the inclined guide plate and limit position Set to adjust the speed and direction of waste discharge.
It improves the crushing efficiency of waste, ensures that the waste can be fully processed, and facilitates operators to collect the crushed material.
Smart Images

Figure CN222346048U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waste treatment of injection molding machines, and more specifically to a waste treatment device for injection molding machines. Background Art
[0002] Injection molding machine waste mainly refers to the waste materials generated in the injection molding production process. These materials may not be able to continue to be used due to various reasons, such as product quality problems, inappropriate size, equipment damage or elimination, etc. These wastes include discarded products, scraps, overflows, etc. For these wastes, the common way to deal with them is mechanical crushing, using an injection molding waste crusher or a plastic crusher to break the waste into small pieces, and then re-melt them and inject them into the mold through an injection molding machine to produce new products again.
[0003] In the existing technology, such as the document with publication number CN215151272U, a waste processing device for an injection molding machine is specifically disclosed. The device in the document installs a guard frame in a crushing box, and sets the guard frame above the lower hopper. The guard frame is used to intercept waste materials with larger particles and repeatedly crush them. However, there is a certain gap between the crushing structure in the device and the guard frame, which will lead to poor repeated crushing effect. For this reason, we propose a waste processing device for an injection molding machine. Utility Model Content
[0004] Based on the above-mentioned technical problem that "the device in the prior art installs a guard frame in the crushing box, and sets the guard frame above the lower hopper, and uses the guard frame to intercept waste materials with larger particles and repeatedly crush them, but there is a certain gap between the crushing structure in the device and the guard frame, which leads to poor repeated crushing effect", the utility model proposes a waste processing device for injection molding machines.
[0005] The utility model proposes a waste processing device for an injection molding machine, comprising a stirring barrel, wherein the inner wall of the stirring barrel is rotatably connected to a sealing cover, the inner wall of the stirring barrel is annularly and evenly spaced and fixedly connected to a plurality of supporting plates, the inner wall of the stirring barrel is rotatably connected to a connecting shaft, the end of the connecting shaft passes through the sealing cover and is rotatably connected thereto, the circumferential outer wall of the connecting shaft is rotatably connected to a first shaft sleeve and a second shaft sleeve, the end of the first shaft sleeve is fixedly connected to the outer wall of the sealing cover, the end of the second shaft sleeve is fixedly connected to the stirring barrel, the circumferential outer wall of the connecting shaft is fixedly connected to a connecting sleeve, and the circumferential outer wall of the connecting sleeve is fixedly connected to a plurality of crushing leaves.
[0006] Preferably, it also includes a mounting plate, the top of which is symmetrically structured and fixedly connected to two support frames, one of which is fixedly connected to the first shaft sleeve, and the other of which is rotatably connected to the second shaft sleeve.
[0007] Preferably, the outer walls of the two support frames are respectively fixedly connected with fixed seats, and the tops of the two fixed seats are fixedly connected with motors, one of the motor output ends is fixedly connected to the connecting shaft, and the other motor output end is fixedly connected to the second sleeve.
[0008] Preferably, a feed pipe is fixedly connected to the outer wall of the sealing cover, and the feed pipe is inclined.
[0009] Preferably, a fixing frame is fixedly connected to the top of the mounting plate, a connecting hole is opened on the outer wall of the fixing frame, a material guide plate is provided on the inner wall of the fixing frame, and rotating shafts are fixedly connected on both sides of the material guide plate, and two ends of the rotating shafts respectively pass through the fixing frame and are rotatably connected thereto, and the ends of the material guide plate pass through the connecting hole and extend to the outside thereof.
[0010] Preferably, an adjustment hole is provided on the top of the material guide plate, a fixing plate is fixedly connected to the outer wall of the fixing frame, a threaded rod is fixedly connected to the top of the fixing plate, a limiting sleeve is threadedly connected to the circumferential outer wall of the threaded rod, and the top of the limiting sleeve contacts the material guide plate.
[0011] The beneficial effects of the present invention are:
[0012] 1. The mixing barrel is driven to rotate by the second shaft sleeve, and the mixing barrel drives multiple supporting plates to rotate, so that the waste accumulated at the bottom of the mixing barrel can be turned over to the top of the crushing blade, so that the waste can be crushed again.
[0013] 2. The crushed waste inside the mixing barrel is discharged to the top of the guide plate inside the fixed frame, and the waste can be discharged through the inclined guide plate, which is convenient for operators to collect. By rotating the limit sleeve, the limit sleeve moves up and down along the threaded rod, thereby changing the inclination of the guide plate and changing the speed of waste discharge. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a partial structural schematic diagram of the utility model;
[0016] Figure 3 This is a schematic diagram of the internal structure of the mixing barrel of the utility model;
[0017] Figure 4 This is a schematic diagram of the installation structure of the material guide plate of the utility model.
[0018] In the figure: 1. mounting plate; 2. support frame; 3. first shaft sleeve; 4. second shaft sleeve; 5. connecting shaft; 6. connecting sleeve; 7. supporting plate; 8. sealing cover; 9. mixing barrel; 10. feeding pipe; 11. fixing seat; 12. motor; 13. fixing frame; 14. guide plate; 15. rotating shaft; 16. connecting hole; 17. adjusting hole; 18. fixing plate; 19. threaded rod; 20. limiting sleeve; 21. crushing leaf. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] like Figure 1 , Figure 2 and Figure 3 As shown, a waste processing device for an injection molding machine includes a stirring barrel 9, a discharge pipe is installed on the outer wall of the stirring barrel 9, a sealing cover 8 is rotatably connected to the inner wall of the stirring barrel 9, a plurality of supporting plates 7 are fixedly connected to the inner wall of the stirring barrel 9 in a ring-shaped and equidistant manner, a connecting shaft 5 is rotatably connected to the inner wall of the stirring barrel 9, an end of the connecting shaft 5 passes through the sealing cover 8 and is rotatably connected thereto, a first shaft sleeve 3 and a second shaft sleeve 4 are rotatably connected to the circumferential outer wall of the connecting shaft 5, an end of the first shaft sleeve 3 is fixedly connected to the outer wall of the sealing cover 8, an end of the second shaft sleeve 4 is fixedly connected to the stirring barrel 9, a connecting sleeve 6 is fixedly connected to the circumferential outer wall of the connecting shaft 5, a plurality of crushing leaves 21 are fixedly connected to the circumferential outer wall of the connecting sleeve 6, and also includes a mounting plate 1, the top of the mounting plate 1 is symmetrically structured and fixedly connected to two support frames 2, one of which is fixedly connected to the first shaft sleeve 3, and the other is rotatably connected to the second shaft sleeve 4. The outer walls of the two support frames 2 are respectively fixedly connected with fixed seats 11, and the tops of the two fixed seats 11 are fixedly connected with motors 12, wherein the output end of one motor 12 is fixedly connected to the connecting shaft 5, and the output end of the other motor 12 is fixedly connected to the second shaft sleeve 4. The mixing barrel 9 is driven to rotate through the second shaft sleeve 4, and the multiple supporting plates 7 are driven to rotate through the mixing barrel 9, so that the waste accumulated at the bottom of the mixing barrel 9 can be turned over to the top of the crushing leaves 21, so that the waste can be crushed again.
[0021] like Figure 1 As shown, a feed pipe 10 is fixedly connected to the outer wall of the sealing cover 8, and the feed pipe 10 is inclined.
[0022] like Figure 4As shown, the top of the mounting plate 1 is fixedly connected to a fixing frame 13, the outer wall of the fixing frame 13 is provided with a connecting hole 16, the inner wall of the fixing frame 13 is provided with a guide plate 14, both sides of the guide plate 14 are fixedly connected to a rotating shaft 15, the ends of the two rotating shafts 15 respectively penetrate the fixing frame 13 and are rotatably connected thereto, the ends of the guide plate 14 penetrate the connecting hole 16 and extend to the outside thereof, the top of the guide plate 14 is provided with an adjusting hole 17, the outer wall of the fixing frame 13 is fixedly connected to a fixing plate 18, and the top of the fixing plate 18 is fixedly connected There is a threaded rod 19, and the outer wall of the threaded rod 19 is threadedly connected to a limiting sleeve 20. The top of the limiting sleeve 20 contacts the guide plate 14. The crushed waste inside the mixing barrel 9 is discharged to the top of the guide plate 14 inside the fixed frame 13, and the waste can be discharged through the inclined guide plate 14, which is convenient for operators to collect. By rotating the limiting sleeve 20, the limiting sleeve 20 moves up and down along the threaded rod 19, thereby changing the inclination of the guide plate 14, thereby changing the speed of waste discharge.
[0023] Working principle: waste materials in the production process of the injection molding machine are put into the mixing barrel 9 through the feeding pipe 10, and the connecting shaft 5 and the second shaft sleeve 4 are driven to rotate by two motors 12 respectively, and the connecting shaft 5 drives the crushing blades 21 to rotate through the connecting sleeve 6, and the waste materials are crushed by the crushing blades 21;
[0024] The mixing barrel 9 is driven to rotate by the second shaft sleeve 4, and the mixing barrel 9 drives the plurality of supporting plates 7 to rotate, so that the waste accumulated at the bottom of the mixing barrel 9 can be turned over to the top of the crushing blades 21, so that the waste can be crushed again;
[0025] The crushed waste inside the mixing barrel 9 is discharged to the top of the guide plate 14 inside the fixed frame 13, and the waste can be discharged through the inclined guide plate 14, which is convenient for the operator to collect. By rotating the limit sleeve 20, the limit sleeve 20 moves up and down along the threaded rod 19, so that the inclination of the guide plate 14 can be changed, thereby changing the speed of waste discharge.
[0026] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A waste treatment device for an injection molding machine, comprising a stirring barrel (9), characterized in that: The inner wall of the mixing barrel (9) is rotatably connected to a sealing cover (8), and the inner wall of the mixing barrel (9) is annularly and evenly spaced and fixedly connected to a plurality of supporting plates (7), and the inner wall of the mixing barrel (9) is rotatably connected to a connecting shaft (5), and the end of the connecting shaft (5) passes through the sealing cover (8) and is rotatably connected thereto, and the circumferential outer wall of the connecting shaft (5) is rotatably connected to a first shaft sleeve (3) and a second shaft sleeve (4), and the end of the first shaft sleeve (3) is fixedly connected to the outer wall of the sealing cover (8), and the end of the second shaft sleeve (4) is fixedly connected to the mixing barrel (9), and the circumferential outer wall of the connecting shaft (5) is fixedly connected to a connecting sleeve (6), and the circumferential outer wall of the connecting sleeve (6) is fixedly connected to a plurality of crushing leaves (21).
2. The waste treatment device for injection molding machine according to claim 1, characterized in that: It also comprises a mounting plate (1), the top of the mounting plate (1) being symmetrically structured and fixedly connected to two support frames (2), one of the support frames (2) being fixedly connected to the first shaft sleeve (3), and the other of the support frames (2) being rotatably connected to the second shaft sleeve (4).
3. The waste treatment device for injection molding machine according to claim 2, characterized in that: The outer walls of the two support frames (2) are respectively fixedly connected to a fixing seat (11), and the tops of the two fixing seats (11) are both fixedly connected to a motor (12), wherein an output end of one of the motors (12) is fixedly connected to the connecting shaft (5), and an output end of the other motor (12) is fixedly connected to the second shaft sleeve (4).
4. The waste treatment device for injection molding machine according to claim 3, characterized in that: A feed pipe (10) is fixedly connected to the outer wall of the sealing cover (8), and the feed pipe (10) is inclined.
5. The waste treatment device for injection molding machine according to claim 4, characterized in that: A fixing frame (13) is fixedly connected to the top of the mounting plate (1), a connecting hole (16) is provided on the outer wall of the fixing frame (13), a material guide plate (14) is provided on the inner wall of the fixing frame (13), and rotating shafts (15) are respectively fixedly connected to the two sides of the material guide plate (14), the ends of the two rotating shafts (15) respectively penetrate the fixing frame (13) and are rotatably connected thereto, and the ends of the material guide plate (14) penetrate the connecting hole (16) and extend to the outside thereof.
6. The waste treatment device for injection molding machine according to claim 5, characterized in that: An adjustment hole (17) is provided at the top of the material guide plate (14); a fixing plate (18) is fixedly connected to the outer wall of the fixing frame (13); a threaded rod (19) is fixedly connected to the top of the fixing plate (18); a limiting sleeve (20) is threadedly connected to the circumferential outer wall of the threaded rod (19); and the top of the limiting sleeve (20) contacts the material guide plate (14).
Citation Information
Patent Citations
Waste treatment device for injection molding machine
CN215151272U