Mixing device for polyvinyl chloride cable granulation

Abstract

The utility model discloses a mixing device for polyvinyl chloride cable granulation, which comprises a bottom plate, the top of the bottom plate is provided with a mixing assembly, the top of the bottom plate is provided with a feeding assembly, the mixing assembly comprises a mixing box, and a spiral blade is rotatably connected between the front and rear inner walls of the mixing box. The feeding hopper is fixedly installed on the side face of the highest position of the mixing box. The utility model relates to the technical field of polyvinyl chloride cable material production and mixing. According to the mixing device for polyvinyl chloride cable granulation, raw materials are introduced into the mixing box through the space between the two partition plates of the feeding hopper, the raw materials slide towards the left side along the mixing box under the left-right effect of gravity, the raw materials can be pushed to move front and back through the spiral blades, and the spiral blades are different in rotation direction; the raw materials can be alternately pushed back and forth in the gliding process, so that the raw materials are mixed and can be continuously mixed during mixing, the difficulty is greatly reduced, and the mixing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mixing materials for the production of polyvinyl chloride cable materials, in particular to a mixing device for granulating polyvinyl chloride cables. Background Art

[0002] PVC insulated cable and wire products are divided into non-sheathed cables for fixed wiring, sheathed cables for fixed wiring, light non-sheathed flexible cables, general-purpose sheathed flexible cables, installation wires and shielded wires, special-purpose sheathed flexible cables, PVC insulated flame-retardant / fire-resistant cables, etc. At present, when producing PVC cable parts, the PVC granulated raw materials are first mixed, and a mixing device is usually used during the mixing process.

[0003] Patent publication number "CN218019495U" discloses a "mixing device for granulating polyvinyl chloride cable materials", which includes a mixing tank, a supporting leg fixedly provided at the bottom end of the mixing tank, a motor fixedly provided at the top end of the mixing tank, the output end of the motor is connected to a linkage shaft through a coupling transmission, and one end of the linkage shaft extends to the inside of the mixing tank through a through slot, a pair of mixing paddles are fixedly provided on the outer wall of the linkage shaft, a scraper is fixedly provided at one end of the paddle rods of the pair of mixing paddles, and one side of each scraper is in contact with the inner wall of the mixing tank, and a discharge trough is provided at the bottom end of the inner wall of the mixing tank. After the mixing device for granulating polyvinyl chloride cable materials is put into use, the paddles are combined to mix the raw materials, and the scraper is used to scrape the raw materials off the inner wall of the mixing tank. The device can effectively prevent the raw materials from hanging on the wall during mixing, thereby improving the efficiency of the structure during raw material mixing and the quality of raw material mixing.

[0004] In response to the above-mentioned related problems, when mixing the raw materials, it is necessary to first melt the raw materials through a hot melt device and mix them inside the equipment. When mixing, the raw materials are added and mixed, and then discharged after the mixing is completed. Only after discharging can the next mixing be carried out. This method cannot achieve continuous and rapid mixing, which makes the mixing operation inconvenient and low in efficiency.

[0005] Therefore, the utility model provides a mixing device for granulating polyvinyl chloride cables to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a mixing device for granulating polyvinyl chloride cables, which solves the above problems.

[0007] To achieve the above purpose, the utility model is implemented through the following technical scheme: a mixing device for polyvinyl chloride cable granulation, including a bottom plate, a mixing assembly is arranged on the top of the bottom plate, a feeding assembly is arranged on the top of the bottom plate, the mixing assembly includes a mixing box, support legs are fixedly installed at the four corners of the bottom of the mixing box, the support legs are fixedly installed on the top of the bottom plate, an upper hopper is fixedly installed on the right end of the mixing box, a spiral blade is rotatably connected between the front and rear inner walls of the mixing box, and the upper hopper is fixedly installed on the side of the highest point of the mixing box.

[0008] Preferably, the spiral blades are evenly arranged inside the mixing box, and adjacent spiral blades have different rotation directions.

[0009] By adopting the above technical solution, the raw materials are mixed by means of spiral blades with different thread rotation directions.

[0010] Preferably, a partition is fixedly installed inside the upper hopper, the upper hopper is communicated with the interior of the mixing box, and the partition divides the interior of the upper hopper into two parts.

[0011] By adopting the above technical solution, the raw materials are passed into the upper hopper through both sides via the partition.

[0012] Preferably, a large gear is provided on the front of the mixing box, a rotating shaft is fixedly installed on the back of the large gear, and the rotating shaft movably penetrates the inner wall of the mixing box and is fixedly connected to the corresponding partition.

[0013] By adopting the above technical solution, the spiral blade can be driven to rotate from the outside through the large gear.

[0014] Preferably: a first bracket is fixedly installed on the top of the base plate, a support plate is fixedly installed on the top of the first bracket, a small gear is rotatably connected to the back of the support plate, a small gear is arranged between every two large gears, and the small gear is meshed with two adjacent large gears.

[0015] By adopting the above technical solution, the rotation of the large gear is synchronized through the small gear.

[0016] Preferably, a motor is fixedly mounted on the top of the first bracket, and an output end of the motor is fixedly connected to the rightmost pinion.

[0017] By adopting the above technical solution, the large and small gears and the spiral blades are driven to rotate by the motor.

[0018] Preferably: the loading assembly includes a second bracket, the second bracket is fixedly mounted on the top of the base plate, two heating screw conveyors are fixedly mounted on the top of the second bracket, a feed hopper is fixedly mounted on the right bottom of the heating screw conveyor, and a discharge pipe is fixedly mounted on the left top of the heating screw conveyor, and the two discharge pipes are respectively located above the upper hopper and on both sides of the partition.

[0019] By adopting the above technical solution, the raw materials are heated by the heating screw conveyor and sent into the upper hopper.

[0020] Beneficial Effects

[0021] The utility model provides a mixing device for granulating polyvinyl chloride cables. Compared with the prior art, it has the following beneficial effects:

[0022] 1. In the mixing device for granulating polyvinyl chloride cables, the raw materials are introduced into the mixing box through the two partitions of the upper hopper. The raw materials slide to the left along the mixing box under the left and right of gravity. The spiral blades can push the raw materials to move forward and backward. The rotation directions of adjacent spiral blades are different, so that the raw materials can be pushed forward and backward alternately during the sliding process, thereby achieving the mixing of the raw materials, and the mixing can be carried out continuously during the mixing, which greatly reduces the difficulty and improves the mixing efficiency.

[0023] 2. The mixing device for granulating polyvinyl chloride cables realizes the effect of convenient feeding by placing raw material particles into a feed hopper, conveying them upwards through a heated screw conveyor, and melting the raw materials during the conveying process and discharging them through a discharge pipe to one side of the corresponding partition of the upper hopper below, and controlling the conveying speed of the heated screw conveyors on both sides to control the mixing ratio of the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0025] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0026] Figure 2 It is a right side structural stereogram of the utility model;

[0027] Figure 3 It is a sectional view of the overall structure of the utility model;

[0028] Figure 4It is a three-dimensional diagram of the internal structure of the mixing box of the utility model;

[0029] Figure 5 The utility model Figure 4 A magnified view of the structure in the middle.

[0030] In the figure: 1. bottom plate; 2. mixing assembly; 21. mixing box; 22. supporting leg; 23. large gear; 24. first bracket; 25. supporting plate; 26. small gear; 27. motor; 28. loading hopper; 29. ​​partition; 210. spiral blade; 211. rotating shaft; 3. loading assembly; 31. heating screw conveyor; 32. discharge pipe; 33. second bracket; 34. feeding hopper. DETAILED DESCRIPTION

[0031] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0032] The present application is further described in detail below through drawings and examples.

[0033] Reference Figures 1 to 5 The embodiment of the present application provides a mixing device for granulating polyvinyl chloride cables, including a bottom plate 1, a mixing assembly 2 is arranged on the top of the bottom plate 1, a feeding assembly 3 is arranged on the top of the bottom plate 1, the mixing assembly 2 includes a mixing box 21, support legs 22 are fixedly installed at the four corners of the bottom of the mixing box 21, the support legs 22 are fixedly installed on the top of the bottom plate 1, an upper hopper 28 is fixedly installed on the right end of the mixing box 21, a spiral blade 210 is rotatably connected between the front and rear inner walls of the mixing box 21, and the upper hopper 28 is fixedly installed on the side of the highest point of the mixing box 21.

[0034] The spiral blades 210 are evenly arranged inside the mixing box 21, and the blade rotation directions of adjacent spiral blades 210 are different. A partition 29 is fixedly installed inside the upper hopper 28, and the upper hopper 28 is connected to the inside of the mixing box 21. The partition 29 divides the inside of the upper hopper 28 into two parts. A large gear 23 is arranged on the front of the mixing box 21, and a rotating shaft 211 is fixedly installed on the back of the large gear 23. The rotating shaft 211 movably penetrates the inner wall of the mixing box 21 and is fixedly connected to the corresponding partition 29. A first bracket 24 is fixedly installed on the top of the bottom plate 1, and a support plate 25 is fixedly installed on the top of the first bracket 24. A small gear 26 is rotatably connected to the back of the support plate 25. A small gear 26 is arranged between every two large gears 23, and the small gear 26 and the two adjacent large gears 23 are meshed with each other. A motor 27 is fixedly installed on the top of the first bracket 24, and the output end of the motor 27 is fixedly connected to the rightmost small gear 26.

[0035] In this embodiment, the small gear 26 can be driven to rotate by starting the motor 23, and the rotation of the small gear 26 drives the large gear 23 to rotate, and the rotation of the large gear 23 drives the small gear 26 on the other side to rotate, and the transmission is carried out in sequence, so that multiple large gears 23 can rotate synchronously at the same speed, thereby realizing the synchronous rotation of multiple spiral blades 210 through the inner rotating shaft 211, and the two raw materials are passed into the interior of the mixing box 21 through the two partitions 29 of the upper hopper 28. The raw materials slide to the left along the mixing box 21 under the left and right of gravity, and the spiral blades 210 can push the raw materials to move forward and backward. The different blade rotation directions of adjacent spiral blades 210 can realize that the raw materials are pushed back and forth alternately during the sliding process, thereby realizing the mixing of the raw materials, and the mixing can be carried out continuously during the mixing, which greatly reduces the difficulty and improves the mixing efficiency.

[0036] Reference Figures 1 to 5 In one aspect of the present embodiment, the loading assembly 3 includes a second bracket 33, the second bracket 33 is fixedly mounted on the top of the base plate 1, two heating screw conveyors 31 are fixedly mounted on the top of the second bracket 33, a feed hopper 34 is fixedly mounted on the bottom right side of the heating screw conveyor 31, and a discharge pipe 32 is fixedly mounted on the top left side of the heating screw conveyor 31, and the two discharge pipes 32 are respectively located above the upper hopper 28 and on both sides of the partition 29.

[0037] In this embodiment, when loading, the raw material particles are placed into the feed hopper 34 and transported upward by the heated screw conveyor 31. During the transportation process, the raw materials are melted and discharged through the discharge pipe 32 to the side of the partition 29 corresponding to the upper hopper 28 below, thereby achieving the effect of convenient loading, and the mixing ratio of the raw materials can be controlled by controlling the conveying speed of the heated screw conveyors 31 on both sides.

[0038] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0039] Working principle: When feeding, the raw material particles are put into the feed hopper 34, and transported upward through the heated screw conveyor 31. In the process of transportation, the raw material is melted and discharged through the discharge pipe 32 to the side of the lower upper hopper 28 corresponding to the partition 29, so that the feeding effect is convenient, and the mixing ratio of the raw materials can be controlled by controlling the conveying speed of the heated screw conveyors 31 on both sides; the small gear 26 can be driven to rotate by starting the motor 23, and the rotation of the small gear 26 drives the large gear 23 to rotate, and the rotation of the large gear 23 drives the small gear 26 on the other side to rotate, and the transmission is carried out in sequence, so that multiple The large gear 23 rotates synchronously at the same speed, so that the multiple spiral blades 210 rotate synchronously through the inner rotating shaft 211. The two raw materials enter the mixing box 21 through the two partitions 29 of the upper hopper 28. The raw materials slide to the left along the mixing box 21 under the left and right of gravity. The spiral blades 210 can push the raw materials to move forward and backward. The different rotation directions of adjacent spiral blades 210 can achieve the process of the raw materials being pushed back and forth alternately during the sliding process, thereby achieving the mixing of the raw materials, and the mixing can be carried out continuously during the mixing, which greatly reduces the difficulty and improves the mixing efficiency.

[0040] 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.

[0041] Although the embodiments of the present application 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 the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mixing device for granulating polyvinyl chloride cables, comprising a bottom plate (1), characterized in that: A mixing assembly (2) is arranged on the top of the bottom plate (1), and a feeding assembly (3) is arranged on the top of the bottom plate (1). The mixing assembly (2) comprises a mixing box (21), and support legs (22) are fixedly installed at the four corners of the bottom of the mixing box (21), and the support legs (22) are fixedly installed on the top of the bottom plate (1). A feeding hopper (28) is fixedly installed on the right end of the mixing box (21), and a spiral blade (210) is rotatably connected between the front and rear inner walls of the mixing box (21), and the feeding hopper (28) is fixedly installed on the side of the highest point of the mixing box (21).

2. A mixing device for granulating polyvinyl chloride cables according to claim 1, characterized in that: The spiral blades (210) are evenly arranged inside the mixing box (21), and adjacent spiral blades (210) have different blade rotation directions.

3. A mixing device for granulating polyvinyl chloride cables according to claim 1, characterized in that: A partition plate (29) is fixedly installed inside the upper hopper (28). The upper hopper (28) is communicated with the interior of the mixing box (21). The partition plate (29) divides the interior of the upper hopper (28) into two parts.

4. A mixing device for granulating polyvinyl chloride cables according to claim 1, characterized in that: A large gear (23) is provided on the front of the mixing box (21), and a rotating shaft (211) is fixedly installed on the back of the large gear (23). The rotating shaft (211) movably penetrates the inner wall of the mixing box (21) and is fixedly connected to the corresponding partition plate (29).

5. A mixing device for granulating polyvinyl chloride cables according to claim 4, characterized in that: A first bracket (24) is fixedly mounted on the top of the bottom plate (1), a support plate (25) is fixedly mounted on the top of the first bracket (24), a small gear (26) is rotatably connected to the back of the support plate (25), a small gear (26) is arranged between every two large gears (23), and the small gear (26) and the two adjacent large gears (23) are meshed with each other.

6. A mixing device for granulating polyvinyl chloride cables according to claim 5, characterized in that: A motor (27) is fixedly mounted on the top of the first bracket (24), and an output end of the motor (27) is fixedly connected to the rightmost pinion (26).

7. A mixing device for granulating polyvinyl chloride cables according to claim 1, characterized in that: The loading assembly (3) comprises a second bracket (33), the second bracket (33) is fixedly mounted on the top of the bottom plate (1), two heating screw conveyors (31) are fixedly mounted on the top of the second bracket (33), a feed hopper (34) is fixedly mounted on the right bottom of the heating screw conveyor (31), and a discharge pipe (32) is fixedly mounted on the left top of the heating screw conveyor (31), and the two discharge pipes (32) are respectively located above the loading hopper (28) and on both sides of the partition (29).

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