Scratch-resistant polypropylene composite material batching and mixing device

Abstract

The invention discloses a blending and mixing device for a scratch-resistant polypropylene composite material, belongs to the technical field of mixing equipment, and aims to solve the problem that existing mixing equipment is not uniform enough in mixing. Materials to be mixed are conveyed into the mixing tank through a feeding pipe, then a motor is started, the motor drives a first straight gear to rotate, the first straight gear drives a rotating pipe to rotate through an outer gear ring and a rotating disc, and the first straight gear drives a rotating shaft and a spiral plate to rotate through a second straight gear; when the rotating direction of a rotating pipe is opposite to that of a spiral plate, materials on the lower portion in the mixing tank are lifted and conveyed into a pipeline from a discharging opening, the materials in the pipeline are thrown out and scattered when the rotating pipe rotates, and when a second straight gear rotates, through transmission of a transmission mechanism, a transmission roller, a belt and a movable rod, a movable frame drives stirring blades to move up and down, so that stirring is achieved. The stirring blades stir the materials when revolving along with the rotating pipe, and the materials are discharged from the discharging pipe after stirring is completed, so that the stirring effect and the stirring efficiency are improved.

Description

Technical Field

[0001] The invention relates to the technical field of mixing equipment, in particular to a scratch-resistant polypropylene composite material batching and mixing device. Background Art

[0002] Scratch-resistant polypropylene composite material is a material with excellent scratch resistance that is made from polypropylene as the basis and mixed and processed by a special process by adding various scratch-resistant additives and auxiliaries. It is used to manufacture automotive interiors, home appliance housings, electronic product housings and some household items. Scratch-resistant polypropylene composite materials can provide more durable and beautiful products that meet the requirements of quality and appearance.

[0003] Since the raw materials of this scratch-resistant polypropylene composite material are generally composed of polypropylene matrix material, scratch-resistant additives and some auxiliary agents, its form is mostly granular and powdery, and mixing equipment is required during preparation. Due to its granular or powdery physical properties, there is greater resistance during stirring, so it is generally stirred slowly. However, due to the different densities and particle sizes of various materials, uneven stratification and mixing are prone to occur. Summary of the invention

[0004] The purpose of the present invention is to provide a scratch-resistant polypropylene composite material batching and mixing device, which solves the problem of uneven mixing of existing mixing equipment in the background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a scratch-resistant polypropylene composite material batching and mixing device, comprising a mixing tank and a stirring blade movably arranged inside the mixing tank, an upper cover is arranged on the top of the mixing tank, a motor is fixedly installed on the top of the upper cover, an outer rotating structure and an inner rotating mechanism are rotatably arranged below the motor, the outer rotating structure and the inner rotating mechanism are used to lift the material below the mixing tank and sprinkle it downward from the upper part of the mixing tank, the output end of the motor extends to the inside of the upper cover and is fixedly connected with a first spur gear, the outer rotating structure comprises a rotating disk rotatably connected to the inside of the upper cover, an outer gear ring is fixedly installed above the rotating disk, the first spur gear is meshed with the outer gear ring, a rotating tube is fixedly installed in the middle of the bottom of the rotating disk, and the rotating tube extends to the inner cavity of the mixing tank, and pipelines are evenly distributed above the outside of the rotating tube and communicated with the inside of the rotating tube;

[0006] The inner rotating mechanism includes a second spur gear rotatably arranged inside the upper cover, the second spur gear is meshed and connected with the first spur gear, the first spur gear is located between the outer edge of the second spur gear and the inner edge of the outer gear ring, the inner rotating mechanism also includes a rotating shaft fixedly installed at the bottom of the second spur gear, the rotating shaft passes through the rotating tube downward and extends, and a spiral plate is fixedly installed outside the spiral plate;

[0007] When the motor drives the first spur gear to rotate, the first spur gear meshes with the outer gear ring and the second spur gear to respectively drive the outer rotating structure and the inner rotating mechanism to rotate in different directions. When the spiral plate rotates, it lifts the material at the bottom of the mixing tank upward along the inside of the rotating tube. Then the material enters the pipeline and is discharged from the other end of the pipeline, thereby lifting and throwing the material at the bottom of the mixing tank.

[0008] Furthermore, discharge ports are evenly distributed on the upper part of the exterior of the pipeline, the pipeline and the rotating tube are connected to each other through the discharge ports, and the pipeline is installed at an incline.

[0009] Furthermore, a positioning seat is threadedly connected to the middle of the bottom of the mixing tank, and the positioning seat is used to position the other end of the rotating shaft, and the rotating shaft is rotatably connected to the positioning seat.

[0010] Furthermore, a discharge pipe is arranged at the bottom of the mixing tank, a solenoid valve is arranged inside the discharge pipe, and a feed pipe is arranged above the outer side of the mixing tank.

[0011] Furthermore, a lifting assembly is provided below the upper cover, and a plurality of lifting assemblies are radially provided, and the number of the lifting assemblies corresponds one to one to the number of the stirring blades, and the stirring blades are installed below the lifting assemblies.

[0012] Furthermore, the lifting assembly includes a transmission mechanism, which includes a transmission rod that passes through the rotating disk from top to bottom, the transmission rod is rotatably connected to the rotating disk, and a third spur gear is fixedly connected to the top of the transmission rod, and the third spur gear is meshingly connected to the second spur gear.

[0013] Furthermore, the diameter of the third spur gear is smaller than that of the first spur gear, the third spur gear does not contact the outer gear ring, the thickness of the first spur gear is smaller than the thickness of the outer gear ring and the second spur gear, the first spur gear is located above the outer gear ring and the second spur gear, and the third spur gear is located below the outer gear ring and the second spur gear.

[0014] Furthermore, the lifting assembly also includes a shell fixedly mounted on the outside of the rotating tube, the transmission rod extends into the interior of the shell and is fixedly connected to the end gear, and the transmission mechanism also includes a helical gear rotatably connected to the interior of the shell, and the helical gear is meshed with the end gear.

[0015] Furthermore, the shell is internally connected with transmission rollers for rotation up and down, wherein one set of transmission rollers is fixedly connected to the bevel gears, a belt is installed between the two sets of transmission rollers, and a movable rod is installed through the belt.

[0016] Furthermore, the lifting assembly also includes a movable frame slidably installed inside the shell, the movable frame is T-shaped, and a movable groove corresponding to the movable rod is arranged on the movable frame. A guide frame for guiding the movable frame is also fixedly installed on the outside of the rotating tube. The stirring blade is fixedly installed at the bottom, and the stirring blade is tilted downward along the rotation direction; when the second spur gear rotates, the transmission roller is driven by the third spur gear, the transmission rod, the end gear and the bevel gear, and the belt outside the transmission roller drives the movable rod to move along an arc trajectory, and then the stirring blade can be driven to rise and fall through the movable frame, thereby increasing the stirring range.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention provides a scratch-resistant polypropylene composite material batching and mixing device, which conveys mixed materials to the interior of a mixing tank through a feed pipe, then starts a motor, drives a first spur gear to rotate, and the first spur gear drives a rotating tube to rotate through an outer gear ring and a rotating disk, and the first spur gear drives a rotating shaft and a spiral plate to rotate through a second spur gear. When the rotating tube and the spiral plate rotate in opposite directions, the material below the interior of the mixing tank is lifted and conveyed to a pipeline from a discharge port. When the rotating tube rotates, the material in the pipeline is thrown out and scattered. When the second spur gear rotates, the transmission mechanism, the transmission roller, the belt and the movable rod are used to drive the movable frame to drive the stirring blades to move up and down. The stirring blades stir the materials when following the revolution of the rotating tube. After the stirring is completed, the materials are discharged from the discharge pipe, thereby improving the stirring effect and stirring efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a disassembled diagram of the overall structure of the present invention;

[0021] Figure 3 It is a partial structural schematic diagram of the present invention;

[0022] Figure 4 It is a partial structural split diagram of the present invention;

[0023] Figure 5 It is a structural split diagram of the motor, the outer rotating structure and the inner rotating mechanism of the present invention;

[0024] Figure 6 It is an exploded view of the lifting assembly and stirring blade structure of the present invention.

[0025] In the figure: 1. mixing tank; 11. discharge pipe; 12. feed pipe; 2. upper cover; 3. motor; 31. first spur gear; 4. external rotating structure; 41. rotating disk; 42. external gear ring; 43. rotating pipe; 44. discharge port; 45. pipeline; 5. internal rotating mechanism; 51. second spur gear; 52. rotating shaft; 53. spiral plate; 54. positioning seat; 6. lifting assembly; 61. transmission mechanism; 611. third spur gear; 612. transmission rod; 613. end gear; 614. bevel gear; 62. housing; 63. transmission roller; 64. belt; 65. movable rod; 66. movable frame; 661. movable groove; 662. guide frame; 7. stirring blade. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In order to solve the technical problem that the existing mixing equipment is not uniform, such as Figure 1-Figure 6 As shown, the following preferred technical solutions are provided:

[0028] like Figure 1-Figure 4 As shown, a scratch-resistant polypropylene composite material batching and mixing device comprises a mixing tank 1 and a stirring blade 7 movably arranged inside the mixing tank 1, an upper cover 2 is arranged on the top of the mixing tank 1, a motor 3 is fixedly installed on the top of the upper cover 2, an outer rotating structure 4 and an inner rotating mechanism 5 are rotatably arranged below the motor 3, the outer rotating structure 4 and the inner rotating mechanism 5 are used to lift the material below the mixing tank 1 and throw it downward from the upper part of the mixing tank 1, the output end of the motor 3 extends to the inside of the upper cover 2 and is fixedly connected to a first straight gear 31, the outer rotating structure 4 includes a first gear 31, and the first gear 31 is fixedly connected to the first gear 31. A rotating disk 41 is rotatably connected to the inside of the upper cover 2, an outer gear ring 42 is fixedly installed above the rotating disk 41, the first spur gear 31 is meshed and connected with the outer gear ring 42, a rotating tube 43 is fixedly installed in the middle of the bottom of the rotating disk 41, and the rotating tube 43 extends to the inner cavity of the mixing tank 1, pipes 45 and 46 are evenly distributed above the outside of the rotating tube 43 and communicate with the inside of the rotating tube 43, and discharge ports 44 are evenly distributed above the outside of the pipe 45, and the pipes 45 and the rotating tube 43 are communicated with each other through the discharge ports 44, and the pipes 45 are installed obliquely;

[0029] The inner rotating mechanism 5 includes a second spur gear 51 rotatably disposed inside the upper cover 2, the second spur gear 51 is meshedly connected with the first spur gear 31, the first spur gear 31 is located between the outer edge of the second spur gear 51 and the inner edge of the outer gear ring 42, the inner rotating mechanism 5 also includes a rotating shaft 52 fixedly mounted on the bottom of the second spur gear 51, the rotating shaft 52 passes through the rotating tube 43 downward and extends, and a spiral plate 53 is fixedly mounted on the outside of the spiral plate 53;

[0030] When the motor 3 drives the first spur gear 31 to rotate, the first spur gear 31 meshes with the outer gear ring 42 and the second spur gear 51, respectively driving the outer rotating structure 4 and the inner rotating mechanism 5 to rotate in different directions. When the spiral plate 53 rotates, it lifts the material at the bottom of the mixing tank 1 upward along the inside of the rotating tube 43, and then the material enters the inside of the pipe 45 and is discharged from the other end of the pipe 45, thereby lifting and throwing the material at the bottom of the mixing tank 1.

[0031] like Figure 2 and Figure 5 As shown, a positioning seat 54 is threadedly connected to the middle of the bottom of the mixing tank 1, and the positioning seat 54 is used to position the other end of the rotating shaft 52. The rotating shaft 52 is rotatably connected to the positioning seat 54. A discharge pipe 11 is provided at the bottom of the mixing tank 1, and a solenoid valve is provided inside the discharge pipe 11. A feed pipe 12 is provided on the upper outer side of the mixing tank 1.

[0032] like Figure 4 and Figure 6 As shown, a lifting assembly 6 is further provided below the upper cover 2 . There are multiple groups of lifting assemblies 6 radially arranged, and the number of lifting assemblies 6 corresponds one-to-one to the number of stirring blades 7 . The stirring blades 7 are installed below the lifting assemblies 6 .

[0033] like Figure 6 As shown, the lifting assembly 6 includes a transmission mechanism 61, which includes a transmission rod 612 that passes through the rotating disk 41 from top to bottom, the transmission rod 612 is rotatably connected to the rotating disk 41, a third spur gear 611 is fixedly connected to the top of the transmission rod 612, the third spur gear 611 is meshed with the second spur gear 51, the diameter of the third spur gear 611 is smaller than the diameter of the first spur gear 31, the third spur gear 611 does not contact the outer gear ring 42, the thickness of the first spur gear 31 is smaller than the thickness of the outer gear ring 42 and the second spur gear 51, the first spur gear 31 is located above between the outer gear ring 42 and the second spur gear 51, the third spur gear 611 is located below between the outer gear ring 42 and the second spur gear 51, the lifting assembly 6 also includes a shell 62 fixedly mounted on the outside of the rotating tube 43, the transmission rod 612 extends to the inside of the shell 62 and is fixedly connected to the end gear 613, the transmission mechanism 61 also includes a bevel gear 614 rotatably connected to the inside of the shell 62, the bevel gear 614 is meshed with the end gear 613.

[0034] The inside of the shell 62 is also rotatably connected with a transmission roller 63, one group of which is fixedly connected to the bevel gear 614, a belt 64 is installed between the two groups of transmission rollers 63, and a movable rod 65 is installed on the belt 64. The lifting assembly 6 also includes a movable frame 66 slidably installed inside the shell 62, the movable frame 66 is T-shaped, and a movable groove 661 corresponding to the movable rod 65 is provided on the movable frame 66. A guide frame 662 for guiding the movable frame 66 is also fixedly installed on the outside of the rotating tube 43. The stirring blade 7 is fixedly installed at the bottom of 660, and the stirring blade 7 is tilted downward along the rotation direction; when the second spur gear 51 rotates, the transmission roller 63 is driven by the third spur gear 611, the transmission rod 612, the end gear 613 and the bevel gear 614. The belt 64 outside the transmission roller 63 drives the movable rod 65 to move along an arc trajectory, and then the stirring blade 7 can be driven to rise and fall through the movable frame 66 to increase the stirring range.

[0035] Working principle: The mixed material is transported to the inside of the mixing tank 1 through the feed pipe 12, and then the motor 3 is started. The motor 3 drives the first spur gear 31 to rotate, and the first spur gear 31 drives the rotating tube 43 to rotate through the outer gear ring 42 and the rotating disk 41. The first spur gear 31 drives the rotating shaft 52 and the spiral plate 53 to rotate through the second spur gear 51. When the rotating tube 43 and the spiral plate 53 rotate in opposite directions, the material below the mixing tank 1 is lifted and transported to the pipeline 45 from the discharge port 44. When the rotating tube 43 rotates, the material in the pipeline 45 is thrown out and scattered. When the second spur gear 51 rotates, the transmission mechanism 61, the transmission roller 63, the belt 64 and the movable rod 65 are driven to drive the movable frame 66 to move up and down. The stirring blade 7 stirs the material when following the rotation of the rotating tube 43. After the stirring is completed, the material is discharged from the discharge pipe 11.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including 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 device.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A scratch-resistant polypropylene composite material mixing device, comprising a mixing tank (1) and a stirring blade (7) movably arranged inside the mixing tank (1), characterized in that: The mixing tank (1) is provided with an upper cover (2) on the top, a motor (3) is fixedly mounted on the top of the upper cover (2), an outer rotating structure (4) and an inner rotating mechanism (5) are rotatably provided inside and below the motor (3), the outer rotating structure (4) and the inner rotating mechanism (5) are used to lift the material below the mixing tank (1) and throw it downward from the top of the mixing tank (1), the output end of the motor (3) extends to the inside of the upper cover (2) and is fixedly connected to a first spur gear (31), the The outer rotating structure (4) comprises a rotating disk (41) rotatably connected to the interior of the upper cover (2); an outer toothed ring (42) is fixedly mounted above the rotating disk (41); the first spur gear (31) is meshingly connected with the outer toothed ring (42); a rotating tube (43) is fixedly mounted in the middle of the bottom of the rotating disk (41); the rotating tube (43) extends to the inner cavity of the mixing tank (1); pipes (45) are evenly distributed above the exterior of the rotating tube (43); and (46) is connected to the interior of the rotating tube (43); The inner rotating mechanism (5) comprises a second spur gear (51) rotatably arranged inside the upper cover (2), the second spur gear (51) being meshedly connected with the first spur gear (31), the first spur gear (31) being located between the outer edge of the second spur gear (51) and the inner edge of the outer gear ring (42), the inner rotating mechanism (5) further comprises a rotating shaft (52) fixedly mounted at the bottom of the second spur gear (51), the rotating shaft (52) penetrating downwardly through the rotating tube (43) and extending, and a spiral plate (53) being fixedly mounted on the outside of the spiral plate (53).

2. A scratch-resistant polypropylene composite material batching and mixing device as claimed in claim 1, characterized in that: Discharge ports (44) are evenly distributed on the upper part of the exterior of the pipeline (45), the pipeline (45) and the rotating tube (43) are connected to each other through the discharge ports (44), and the pipeline (45) is installed in an inclined manner.

3. A scratch-resistant polypropylene composite material batching and mixing device as claimed in claim 1, characterized in that: A positioning seat (54) is threadedly connected to the middle of the bottom of the mixing tank (1). The positioning seat (54) is used to position the other end of the rotating shaft (52). The rotating shaft (52) is rotatably connected to the positioning seat (54).

4. A scratch-resistant polypropylene composite material batching and mixing device as claimed in claim 1, characterized in that: A discharge pipe (11) is arranged at the bottom of the mixing tank (1), a solenoid valve is arranged inside the discharge pipe (11), and a feed pipe (12) is arranged above the outer side of the mixing tank (1).

5. A scratch-resistant polypropylene composite material batching and mixing device as claimed in claim 1, characterized in that: A lifting assembly (6) is also provided below the upper cover (2). The lifting assembly (6) is radially provided with a plurality of groups, and the number of the lifting assemblies (6) corresponds one to one with the number of the stirring blades (7). The stirring blades (7) are installed below the lifting assembly (6).

6. A scratch-resistant polypropylene composite material batching and mixing device as claimed in claim 5, characterized in that: The lifting assembly (6) comprises a transmission mechanism (61), the transmission mechanism (61) comprises a transmission rod (612) which passes through the rotating disk (41) from top to bottom, the transmission rod (612) is rotationally connected to the rotating disk (41), a third spur gear (611) is fixedly connected to the top of the transmission rod (612), and the third spur gear (611) is meshingly connected to the second spur gear (51).

7. A scratch-resistant polypropylene composite material batching and mixing device as claimed in claim 6, characterized in that: The diameter of the third spur gear (611) is smaller than the diameter of the first spur gear (31), the third spur gear (611) does not contact the outer gear ring (42), the thickness of the first spur gear (31) is smaller than the thickness of the outer gear ring (42) and the second spur gear (51), the first spur gear (31) is located above between the outer gear ring (42) and the second spur gear (51), and the third spur gear (611) is located below between the outer gear ring (42) and the second spur gear (51).

8. A scratch-resistant polypropylene composite material batching and mixing device as claimed in claim 7, characterized in that: The lifting assembly (6) further comprises a housing (62) fixedly mounted on the outside of the rotating tube (43); a transmission rod (612) extends into the interior of the housing (62) and is fixedly connected to an end face gear (613); and the transmission mechanism (61) further comprises a bevel gear (614) rotatably connected to the interior of the housing (62); the bevel gear (614) is meshingly connected to the end face gear (613).

9. A scratch-resistant polypropylene composite material batching and mixing device as claimed in claim 8, characterized in that: The housing (62) is also rotatably connected with transmission rollers (63) in the upper and lower parts, wherein one group of transmission rollers (63) is fixedly connected to the bevel gear (614), a belt (64) is installed between the two groups of transmission rollers (63), and a movable rod (65) is installed through the belt (64).

10. A scratch-resistant polypropylene composite material batching and mixing device as claimed in claim 9, characterized in that: The lifting assembly (6) further comprises a movable frame (66) slidably mounted inside the shell (62); the movable frame (66) is T-shaped and is provided with a movable groove (661) corresponding to the movable rod (65); a guide frame (662) for guiding the movable frame (66) is also fixedly mounted outside the rotating tube (43); the stirring blade (7) is fixedly mounted at the bottom of (660), and the stirring blade (7) is tilted downward along the rotation direction.

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