Plastic raw material weighing and mixing integrated device

The integrated plastic raw material weighing and mixing device solves the problems of high cost and low accuracy caused by the separation of traditional equipment, and realizes a highly efficient and uniform mixing and weighing process.

CN223918344UActive Publication Date: 2026-02-17ANHUI JINNET NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520592976.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-17
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

Traditional methods of weighing and mixing plastic raw materials require the purchase of separate equipment, which increases costs and space requirements, and vibrations during the mixing process interfere with the weighing accuracy.

Method used

An integrated device was designed, which uses a lifting hydraulic rod, a bent rod, and a U-shaped block to lift the mixing device after weighing, thus avoiding shaking during mixing. The mixing assembly, consisting of a mixing shaft, a mixing rod, and an inclined mixing rod, performs thorough mixing, and the lifting and rotation of the drive assembly achieves uniform mixing. The auxiliary receiving assembly receives materials through an angle motor and a lifting pneumatic rod.

Benefits of technology

Reduce equipment investment, save space, improve weighing accuracy and mixing uniformity, and avoid residual materials after mixing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223918344U_ABST
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Abstract

The utility model provides a plastic raw material weighing and mixing integrated device which comprises a mounting frame, a weighing instrument is fixedly connected to the middle of the top surface of the mounting frame, a placement hole is formed in the middle of the weighing instrument, a stirring device is placed in the middle of the placement hole, lifting hydraulic rods are fixedly connected to the positions, located on the two sides of the weighing instrument, of the top surface of the mounting frame correspondingly, and bent rods are fixedly connected to the output ends of the lifting hydraulic rods; the stirring device comprises a stirring frame, the stirring frame is slidably connected into the U-shaped block, a mixing barrel is rotatably connected into the stirring frame, a valve is installed on the lower portion of an inner cavity of the mixing barrel, a stirring assembly is installed in the mixing barrel, a driving assembly is installed in the middle of the top face of the mixing barrel, and the output end of the driving assembly is connected with the stirring assembly. Through mutual cooperation of the mounting rack, the weighing instrument, the placing hole, the stirring device, the lifting hydraulic rod, the bent rod and the U-shaped block, weighing and mixing of materials can be realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic raw material weighing and mixing, and specifically relates to a plastic raw material weighing and mixing integrated device. BACKGROUND

[0002] In the production process of plastic products, injection molding is a common processing method. Before injection molding, different plastic raw materials usually need to be weighed, mixed and hot-melt treated to ensure the quality and performance of the final product. The traditional plastic raw material processing flow includes the following steps: first, the staff weighs different plastic raw materials respectively; second, the weighed raw materials are fully mixed by a stirring device; finally, the mixed raw materials are conveyed to a hot-melt machine for hot-melt treatment, and after hot-melt is completed, injection molding is performed;

[0003] However, the traditional plastic raw material weighing and mixing processing mode has the following two main problems;

[0004] Firstly, in this mode, different plastic raw materials are first injected into different weighing devices for weighing, and then the raw materials are transferred to the stirring device for mixing. The disadvantages of this mode are: 1. The weighing device and the stirring device need to be purchased separately, increasing the equipment investment cost; 2. The weighing device and the stirring device need to be installed separately, occupying a large amount of production space, especially in the case of limited production space, this problem is particularly prominent;

[0005] Secondly, in this mode, the mixing device is installed above the weighing device, and the plastic raw materials are weighed and fed at the same time when they are injected into the stirring tank. The specific process is as follows: first, different plastic raw materials are injected into the stirring tank one by one, and at the same time, the weighing and feeding are carried out; after all the raw materials are fed, the mixing and stirring are carried out. However, this mode also has the following problems: since the mixing device is located above the weighing device, the vibration and impact generated during stirring will interfere with the weighing device, causing the weighing precision to decrease, and thus affecting the subsequent weighing and mixing effect. SUMMARY

[0006] In view of the deficiencies of the prior art, the utility model provides a plastic raw material weighing and mixing integrated device, which solves the problems mentioned in the background art.

[0007] To achieve the above purpose, the utility model realizes the following technical solutions:

[0008] The utility model provides a plastic raw material weighing and mixing integrated device, including the mounting frame, the top middle part of mounting frame is fixedly connected with the weighing instrument, the middle part of weighing instrument is provided with the placing hole, the middle part of placing hole places has the stirring device, the top of mounting frame and be located weighing instrument's both sides are fixedly connected with the lifting hydraulic rod, the output of lifting hydraulic rod is fixedly connected with the bent rod, one end of bent rod is fixedly connected with the U type block, the stirring device includes stirring frame, the U type block is slidably connected stirring frame, stirring frame is rotatably connected with the mixing cylinder, the lower part of mixing cylinder inner chamber is installed with the valve, the mixing cylinder is installed with the stirring subassembly, the middle part of mixing cylinder top surface installs the drive assembly, the output of drive assembly is connected with stirring subassembly, the top surface of mixing cylinder installs the auxiliary material receiving subassembly, the surface of mixing cylinder is installed with angle subassembly.

[0009] Further, the stirring assembly includes a stirring shaft, the stirring shaft is slidably connected in the mixing cylinder, a wall scraping rod is fixedly connected to the upper surface of the stirring shaft, one side of the wall scraping rod is in contact with the inner wall of the mixing cylinder, stirring rods are fixedly connected to the surface of the stirring shaft at equal intervals, an inclined stirring rod is fixedly connected to the lower surface of the stirring shaft, one side of the inclined stirring rod is in contact with the inner wall of the mixing cylinder, and a spline hole is arranged on the top surface of the stirring shaft.

[0010] Further, the drive assembly includes a rectangular plate, a drive motor, and a cross rod, the top surface of the mixing cylinder is fixedly connected with the drive motor and the rectangular plate respectively, the output end of the drive motor is fixedly connected with a drive shaft, one end of the drive shaft penetrates through the rectangular plate and is fixedly connected with a rotating disc, one side of the rotating disc is fixedly connected with a reciprocating column, the upper surface of the stirring shaft is fixedly connected with the cross rod, one side of the cross rod is provided with a cross groove, and the reciprocating column is slidably arranged in the cross groove.

[0011] Further, the drive assembly further includes a support, the top surface of the mixing cylinder is fixedly connected with the support, a transmission rod is rotatably connected in the support, the surface of the drive shaft is rotatably connected with the transmission rod through a sprocket set and a chain, one end of the transmission rod is rotatably connected with a spline drive shaft through a worm and a worm wheel, one end of the spline drive shaft is slidably connected with the spline hole, and the spline drive shaft rotates in the support.

[0012] Further, the auxiliary material receiving assembly includes a telescopic hose and a lifting pneumatic rod, the top surface of the mixing cylinder is fixedly connected with the telescopic hose and the lifting pneumatic rod respectively, the top surface of the telescopic hose is fixedly connected with a hopper, the output end of the lifting pneumatic rod is fixedly connected with a lifting plate, and the lifting plate is fixedly connected with the hopper.

[0013] Further, the angle assembly comprises an angle motor and a gear ring, the top surface of the stirring frame is fixedly connected with the angle motor, the surface of the mixing cylinder is fixedly connected with the gear ring, the output shaft end of the angle motor is fixedly connected with an angle gear, and the angle gear is in meshing connection with the gear ring.

[0014] The plastic raw material weighing and mixing integrated device has the following beneficial effects compared with the prior art.

[0015] 1. By the cooperation of the lifting hydraulic rod, the bent rod and the U-shaped block, the stirring device is placed on the weighing instrument for weighing during feeding, so that the amount of feeding is ensured, and the stirring device is lifted during stirring to avoid shaking and other factors during stirring, so that the weighing instrument has no precision error and is convenient for later weighing.

[0016] 2. By the cooperation of the stirring shaft, the stirring rod, the wall-hanging rod and the inclined stirring rod in the stirring assembly, the material in the mixing cylinder can be fully stirred, and the inner wall of the mixing cylinder can be cleaned after stirring, so that the problem of residual raw materials in the inner wall of the mixing cylinder is avoided.

[0017] 3. By the cooperation of the rotating disc, the reciprocating column, the cross rod and the cross groove in the driving assembly, the stirring assembly in the mixing cylinder can be lifted, and during lifting, the stirring assembly in the mixing cylinder can be rotated through the cooperation of the transmission rod, the spline driving shaft and the support, so that the stirring assembly 4 rotates and stirs in the mixing cylinder, and also lifts and stirs, so that the stirring is more uniform.

[0018] 4. By the cooperation of the angle motor in the angle assembly, the gear ring is driven to rotate, and when the gear ring rotates, the mixing cylinder is driven to rotate, and when the mixing cylinder rotates, the auxiliary material receiving assembly is rotated by a certain angle, so that the material receiving hopper is located at the lower end of the different material storage tanks, and then the material receiving hopper is lifted by the lifting pneumatic rod to receive the material in the different material storage tanks. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 The overall structure of the present application is shown in the schematic diagram;

[0021] Figure 2 The mounting rack structure of the present application is shown in the schematic diagram;

[0022] Figure 3 The utility model stirring device structure schematic diagram shows;

[0023] Figure 4 The utility model stirring device local section structure schematic diagram shows;

[0024] Figure 5 The utility model drive assembly structure schematic diagram shows;

[0025] Figure 6 The utility model drive assembly another visual angle structure schematic diagram shows;

[0026] As shown in the figure: 1, mounting frame;2, weighing instrument;3, placing hole;4, stirring device;41, stirring frame;42, mixing cylinder;43, stirring assembly;431, stirring shaft;432, wall scraping rod;433, stirring rod;434, inclined stirring rod;435, spline hole;44, drive assembly;441, rectangular plate;442, drive motor;443, cross bar;444, drive shaft;445, turntable;446, reciprocating column;447, transverse groove;448, support;449, transmission rod;4410, spline drive shaft;45, auxiliary material receiving assembly;451, flexible hose;452, lifting pneumatic rod;453, hopper;454, lifting plate;46, angle assembly;461, angle motor;462, gear ring;463, angle gear;5, lifting hydraulic rod;6, bent rod;7, U-shaped block. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0028] Embodiment one

[0029] In order to solve the technical problems in the background art, the following plastic raw material weighing and mixing integrated device is given:

[0030] Combined Figures 1-6As shown in the plastic raw material weighing and mixing integrated device, the mounting frame 1 is fixedly connected with the weighing instrument 2 in the middle of the top surface, the middle of the weighing instrument 2 is provided with the placing hole 3, the placing hole 3 is placed with the stirring device 4, the top surface of the mounting frame 1 and the two sides of the weighing instrument 2 are respectively fixedly connected with the lifting hydraulic rod 5, the output end of the lifting hydraulic rod 5 is fixedly connected with the bent rod 6, one end of the bent rod 6 is fixedly connected with the U-shaped block 7.

[0031] Through the cooperation of the lifting hydraulic rod 5, the bent rod 6 and the U-shaped block 7, the stirring device 4 is placed on the weighing instrument 2 for weighing during feeding, so that the amount of feeding is ensured, and the stirring device 4 is lifted during stirring, so that the shaking during stirring and other factors are avoided, and the precision error of the weighing instrument is avoided.

[0032] In the embodiment, the stirring assembly 43 comprises a stirring shaft 431, the stirring shaft 431 is slidably connected in the mixing cylinder 42, a wall scraping rod 432 is fixedly connected to the upper surface of the stirring shaft 431, one side of the wall scraping rod 432 is in contact with the inner wall of the mixing cylinder 42, stirring rods 433 are fixedly connected to the surface of the stirring shaft 431 at equal intervals, an inclined stirring rod 434 is fixedly connected to the lower surface of the stirring shaft 431, one side of the inclined stirring rod 434 is in contact with the inner wall of the mixing cylinder 42, and a spline hole 435 is arranged on the top surface of the stirring shaft 431.

[0033] Through the cooperation of the stirring shaft 431, the stirring rods 433, the wall scraping rod 432 and the inclined stirring rod 434 in the stirring assembly 43, the material in the mixing cylinder 42 can be fully stirred, and the inner wall of the mixing cylinder 42 can be cleaned after stirring, so that the problem of residual raw materials in the inner wall of the mixing cylinder 42 is avoided.

[0034] Embodiment two

[0035] As Figures 1-6 shown, on the basis of the above embodiment, the embodiment further gives the following content:

[0036] The driving assembly 44 comprises a rectangular plate 441, a driving motor 442 and a cross rod 443, the top surface of the mixing cylinder 42 is respectively fixedly connected with the driving motor 442 and the rectangular plate 441, the output end of the driving motor 442 is fixedly connected with a driving shaft 444, one end of the driving shaft 444 penetrates through the rectangular plate 441 and is fixedly connected with a rotating disc 445, one side of the rotating disc 445 is fixedly connected with a reciprocating column 446, the upper portion of the surface of the stirring shaft 431 is fixedly connected with the cross rod 443, one side of the cross rod 443 is provided with a cross groove 447, and the reciprocating column 446 slides in the cross groove 447. The driving assembly 44 further comprises a support 448, the top surface of the mixing cylinder 42 is fixedly connected with the support 448, the support 448 is rotatably connected with a transmission rod 449, the surface of the driving shaft 444 is rotatably connected with the transmission rod 449 through a sprocket set and a chain, one end of the transmission rod 449 is rotatably connected with a spline driving shaft 4410 through a worm and a worm wheel, one end of the spline driving shaft 4410 is slidably connected with the spline hole 435, and the spline driving shaft 4410 rotates in the support 448.

[0037] Through the cooperation of the rotating disc 445, the reciprocating column 446, the cross rod 443 and the cross groove 447 in the driving assembly 44, the stirring assembly 43 in the mixing cylinder 42 can be driven to ascend and descend, and when ascending and descending, the stirring assembly 43 in the mixing cylinder 42 can be rotated through the cooperation of the transmission rod 449, the spline driving shaft 4410 and the support 448, so that the stirring assembly 43 rotates and stirs in the mixing cylinder 42, and also ascends and descends to stir, so that the stirring is more uniform.

[0038] Embodiment three

[0039] As Figures 1-6 shown, on the basis of the above embodiment, the embodiment further gives the following contents:

[0040] The auxiliary material receiving assembly 45 comprises a telescopic hose 451 and a lifting pneumatic rod 452, the top surface of the mixing cylinder 42 is respectively fixedly connected with the telescopic hose 451 and the lifting pneumatic rod 452, the top surface of the telescopic hose 451 is fixedly connected with a hopper 453, the output end of the lifting pneumatic rod 452 is fixedly connected with a lifting plate 454, and the lifting plate 454 is fixedly connected with the hopper 453. The angle assembly 46 comprises an angle motor 461 and a gear ring 462, the top surface of the stirring frame 41 is fixedly connected with the angle motor 461, the surface of the mixing cylinder 42 is fixedly connected with the gear ring 462, the output shaft end of the angle motor 461 is fixedly connected with an angle gear 463, and the angle gear 463 is in meshing connection with the gear ring 462.

[0041] The angle motor 461 in the angle assembly 46 drives the gear ring 462 to rotate, when the gear ring 462 rotates, the mixing cylinder 42 is driven to rotate, when the mixing cylinder 42 rotates, the auxiliary material receiving assembly 45 is rotated by a certain angle, so that the material receiving hopper 453 is located at the lower end of different storage tanks, at this time, the material receiving hopper 453 is lifted by the lifting pneumatic rod 452, so as to receive the material in the different storage tanks.

[0042] The working principle and use process of the utility model are as follows:

[0043] In use state:

[0044] When feeding, first, the angle motor 461 is started, when the angle motor 461 rotates, the angle gear 463 and the gear ring 462 are driven to rotate, when the gear ring 462 rotates, the mixing cylinder 42 is driven to rotate, so that the auxiliary material receiving assembly 45 is driven to rotate, when the upper end of the auxiliary material receiving assembly 45 is located at the lower end of the external storage tank, at this time, the lifting hydraulic rod 5 is started, when the lifting hydraulic rod 5 works, the U-shaped block 7 is driven to move downwards, when the U-shaped block 7 moves downwards, the whole stirring device 4 is made to fall above the weighing instrument 2, at this time, the weighing instrument 2 starts to work, and the weight of the stirring device 4 is removed, at the same time, the lifting pneumatic rod 452 is started, when the lifting pneumatic rod 452 works, the hopper 453 is driven to move upwards, when the hopper 453 moves, the flexible hose 451 is stretched, at the same time, the hopper 453 is connected with the lower end of the external storage tank, after connection, at this time, the material in the internal storage tank of the external storage tank is uniformly transported into the mixing cylinder 42, when transporting, the weight is recorded by the weighing instrument 2 at all times, the weighing instrument 2 has a display screen on one side, and the weight change of the material in the mixing cylinder 42 can be watched by the staff through the display screen, when the weight reaches the specified amount, the material is stopped to be put inwards;

[0045] When stirring, at this time, the lifting hydraulic rod 5 drives the bent rod 6 and the U-shaped block 7 to move upwards, when the U-shaped block 7 moves upwards, the whole stirring device 4 is driven to move upwards, so that the stirring device 4 no longer presses the weighing instrument 2;

[0046] At this time, the driving motor 442 is started, and when the driving motor 442 works, the driving shaft 444 is driven to rotate, and when the driving shaft 444 rotates, the rotating disc 445 and the transmission rod 449 are driven to rotate, and when the rotating disc 445 rotates, the reciprocating column 446 is driven to rotate in a circle, and when the reciprocating column 446 rotates, the horizontal rod 443 is driven to move up and down while sliding in the horizontal groove 447, and when the horizontal rod 443 moves up and down, the stirring shaft 431 is driven to move up and down, and when the stirring shaft 431 moves up and down, the surface of the spline driving shaft 4410 is slid, and with the up and down movement of the stirring 431, the whole stirring assembly 43 is also reciprocated up and down in the mixing box 42, and the material is mixed and stirred up and down.

[0047] When the transmission rod 449 rotates, the spline driving shaft 4410 is driven to rotate, and when the spline driving shaft 4410 rotates, the stirring shaft 431 is driven to rotate, and when the stirring shaft 431 rotates, the rotation of the wall scraping rod 432, the stirring rod 433 and the inclined stirring rod 434 starts to re-mix the material in the mixing cylinder 42, and at the same time, the inner wall of the mixing cylinder 42 is cleaned. During stirring, the wall scraping rod 432, the stirring rod 433 and the inclined stirring rod 434 also move up and down to fully stir the material in different areas, so that the mixing is more uniform.

[0048] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0049] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An integrated device for weighing and mixing plastic raw materials, characterized in that: The utility model provides a kind of automatic weighing and stirring device, including mounting frame (1);The top surface middle part of the mounting frame (1) is fixedly connected with weighing instrument (2), the middle part of the weighing instrument (2) is provided with placing hole (3), the middle part of the placing hole (3) is placed with stirring device (4), the top surface of the mounting frame (1) and located the both sides of weighing instrument (2) is respectively fixedly connected with lifting hydraulic rod (5), the output end of the lifting hydraulic rod (5) is fixedly connected with bent rod (6), one end of the bent rod (6) is fixedly connected with U-shaped block (7); The stirring device (4) includes stirring frame (41), the U-shaped block (7) is slidably connected with stirring frame (41), the stirring frame (41) is rotatably connected with mixing cylinder (42), the lower portion of the inner chamber of the mixing cylinder (42) is provided with valve, the mixing cylinder (42) is provided with stirring assembly (43), the top surface of the mixing cylinder (42) is provided with drive assembly (44), the output end of the drive assembly (44) is connected with stirring assembly (43), the top surface of the mixing cylinder (42) is provided with auxiliary material receiving assembly (45), the surface of the mixing cylinder (42) is provided with angle assembly (46).

2. The plastic raw material weighing and mixing integrated device according to claim 1, characterized in that: The stirring assembly (43) includes stirring shaft (431), the stirring shaft (431) is slidably connected in the mixing cylinder (42), the surface upper portion of the stirring shaft (431) is fixedly connected with wall scraping rod (432), one side of the wall scraping rod (432) is in contact with the inner wall of the mixing cylinder (42), the surface of the stirring shaft (431) is fixedly connected with stirring rod (433) at equal intervals, the lower portion of the surface of the stirring shaft (431) is fixedly connected with inclined stirring rod (434), one side of the inclined stirring rod (434) is in contact with the inner wall of the mixing cylinder (42), the top surface of the stirring shaft (431) is provided with spline hole (435).

3. The plastic raw material weighing and mixing integrated device according to claim 2, characterized in that: The drive assembly (44) includes rectangular plate (441), drive motor (442) and cross bar (443), the top surface of the mixing cylinder (42) is respectively fixedly connected with drive motor (442) and rectangular plate (441), the output end of the drive motor (442) is fixedly connected with drive shaft (444), one end of the drive shaft (444) penetrates rectangular plate (441) and is fixedly connected with rotating disc (445), one side of the rotating disc (445) is fixedly connected with reciprocating column (446), the upper portion of the surface of the stirring shaft (431) is fixedly connected with cross bar (443), one side of the cross bar (443) is provided with transverse groove (447), the reciprocating column (446) is located in transverse groove (447) and slides.

4. The plastic raw material weighing and mixing integrated device according to claim 3, characterized in that: The driving assembly (44) further includes a support (448), the top surface of the mixing cylinder (42) is fixedly connected with the support (448), the support (448) is rotatably connected with a transmission rod (449), the surface of the driving shaft (444) is rotatably connected with the transmission rod (449) through a chain wheel set and a chain, one end of the transmission rod (449) is rotatably connected with a spline driving shaft (4410) through a worm and a worm wheel, one end of the spline driving shaft (4410) is slidably connected with the spline hole (435), and the spline driving shaft (4410) is rotatable in the support (448).

5. The plastic raw material weighing and mixing integrated device according to claim 4, characterized in that: The auxiliary material receiving assembly (45) includes a telescopic hose (451) and a lifting pneumatic rod (452), the top surface of the mixing cylinder (42) is fixedly connected with the telescopic hose (451) and the lifting pneumatic rod (452) respectively, the top surface of the telescopic hose (451) is fixedly connected with a hopper (453), the output end of the lifting pneumatic rod (452) is fixedly connected with a lifting plate (454), and the lifting plate (454) is fixedly connected with the hopper (453) internally.

6. The plastic raw material weighing and mixing integrated device according to claim 5, characterized in that: The angle assembly (46) includes an angle motor (461) and a gear ring (462), the top surface of the stirring frame (41) is fixedly connected with the angle motor (461), and the surface of the mixing cylinder (42) is fixedly connected with the gear ring (462); the output shaft end of the angle motor (461) is fixedly connected with an angle gear (463), and the angle gear (463) is meshedly connected with the gear ring (462).