Rotational molding raw material mixer

Abstract

The utility model provides a rotational molding raw material mixer, relates to the technical field of rotational molding raw material processing, and solves the problem that rotational molding raw materials and color auxiliary materials are difficult to stir and mix due to the fact that the rotational molding raw materials and the color auxiliary materials are thrown to be close to the inner wall and gathered due to rotating centrifugal force when the rotational molding raw materials and the color auxiliary materials are rotationally stirred and mixed. A top cover is arranged at the top of the stirring barrel, a rotating motor is arranged at the bottom of the stirring barrel, a rotating shaft is arranged in the middle of the stirring barrel, stirring rollers are arranged on the two sides of the rotating shaft, discharging holes are formed in the side walls of the ends, close to the rotating shaft, of the stirring rollers, and a conveying cavity is formed in the middle of each stirring roller. A conveying assembly is arranged in the middle of the conveying cavity and moves and rotates along the annular groove.

Description

Technical Field

[0001] The utility model relates to the technical field of roto-molding raw material processing, in particular to a roto-molding raw material mixer. Background Art

[0002] The processing of roto-molding raw materials includes the steps of mixing the roto-molding raw materials and auxiliary materials. During the mixing, the proportion of color auxiliary materials is relatively small, resulting in higher uniformity and comprehensiveness of roto-molding mixing.

[0003] Most existing agitators stir by rotating. When this type of stirring is rotating, the raw materials and auxiliary materials are easily thrown to the inside of the mixing barrel due to the rotating centrifugal force, causing the raw materials and color auxiliary materials to gather together and have a small contact area with the stirring roller. As a result, some of the raw materials and auxiliary materials will remain in the current state and are difficult to mix evenly, resulting in the need for long-term continuous stirring. Utility Model Content

[0004] The utility model aims to provide a roto-molding raw material mixer, which solves the problem that when roto-molding raw materials and color auxiliary materials are being rotated, stirred and mixed, the roto-molding raw materials and color auxiliary materials are thrown to the inner wall due to the rotating centrifugal force and gathered, making it difficult to stir and mix.

[0005] The embodiments of the present invention are implemented by the following technical solutions:

[0006] The utility model provides a rotational molding raw material mixer, comprising a base, a stirring barrel is arranged on the top of the base, a top cover is arranged on the top of the stirring barrel, a rotating motor is arranged on the bottom of the stirring barrel, a rotating shaft is arranged in the middle of the stirring barrel, stirring rollers are arranged on both sides of the rotating shaft, a side wall of the stirring roller close to one end of the rotating shaft is arranged with a discharge hole, a conveying cavity is arranged in the middle of the stirring roller, an annular groove is arranged on the inner wall of the stirring barrel, a conveying component is arranged in the middle of the conveying cavity, and the conveying component moves and rotates along the annular groove.

[0007] Preferably, the annular groove is a groove in the shape of a circular ring on the inner wall of the mixing barrel, and a rack is provided at the bottom of the annular groove.

[0008] Preferably, the stirring roller further includes a discharge hole, which is a plurality of circular holes arranged near one end of the stirring roller.

[0009] Preferably, the discharge hole is communicated with the conveying cavity.

[0010] Preferably, the conveying assembly includes a conveying shaft, a gear, a spiral disk and a limiting shaft. The conveying shaft is connected to the middle of the conveying cavity, a gear is arranged at one end of the conveying shaft, the spiral disk is arranged on the side wall of the conveying shaft, and the limiting shaft is arranged at one end of the conveying shaft away from the gear.

[0011] Preferably, a protruding portion at one end of the conveying shaft is at the opening of the conveying cavity, and the gear is arranged at the end of the conveying shaft protruding at the opening of the conveying cavity.

[0012] Preferably, the gear meshes with a rack on one side of the middle portion of the annular groove.

[0013] Preferably, one end of the conveying shaft is rotatably connected to one side of the rotating shaft via a limiting axis.

[0014] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0015] 1. The conveying assembly provided in the device can transport the raw materials that are swung close to the inner wall of the mixing barrel to the center of the mixing barrel through the rotating push of the conveying assembly when the stirring roller rotates to stir the rotational molding raw materials and auxiliary materials, so that the rotational molding raw materials and auxiliary materials can be further fully stirred and mixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a side cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the side cross-sectional structure of the stirring roller and the conveying shaft of the utility model;

[0020] Icons: base 1, mixing barrel 2, top cover 201, rotating motor 202, annular groove 203, rotating shaft 204, stirring roller 2041, discharge hole 2042, conveying cavity 2043, conveying shaft 205, gear 2051, spiral disk 2052, limiting shaft 2053. DETAILED DESCRIPTION

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Combine the following Figures 1 to 3 The utility model is described in detail.

[0023] A rotational molding raw material mixer comprises a base 1, a stirring barrel 2 is arranged on the top of the base 1, a top cover 201 is arranged on the top of the stirring barrel 2, a rotating motor 202 is arranged at the bottom of the stirring barrel 2, a rotating shaft 204 is arranged in the middle of the stirring barrel 2, stirring rollers 2041 are arranged on both sides of the rotating shaft 204, a side wall of the stirring roller 2041 close to one end of the rotating shaft 204 is arranged with a discharge hole 2042, a conveying cavity 2043 is arranged in the middle of the stirring roller 2041, an annular groove 203 is arranged on the inner wall of the stirring barrel 2, a conveying component is arranged in the middle of the conveying cavity 2043, and the conveying component moves and rotates along the annular groove 203.

[0024] First, pour the rotational molding raw materials and auxiliary materials that need to be mixed into the mixing barrel 2, then close the top cover 201 to seal the interior, and then turn on the rotating motor 202 to drive the rotating shaft 204 to rotate. When the rotating shaft 204 rotates, it will drive the stirring roller 2041 to revolve to stir and mix the rotational molding raw materials and auxiliary materials, and finally discharge them from the bottom.

[0025] Further, the annular groove 203 is a groove of a circular ring on the inner wall of the mixing barrel 2, and a rack is provided at the bottom of the annular groove 203. The stirring roller 2041 also includes a discharge hole 2042. The discharge hole 2042 is a plurality of circular holes provided near one end of the stirring roller 2041. The discharge hole 2042 is connected to the conveying cavity 2043. The conveying assembly includes a conveying shaft 205, a gear 2051, a spiral disk 2052 and a limiting shaft 2053. The conveying shaft 205 is connected to the middle of the conveying cavity 2043. The conveying shaft 205 A gear 2051 is arranged at one end of the conveying shaft 205, a spiral disk 2052 is arranged on the side wall of the conveying shaft 205, a limiting shaft 2053 is arranged at one end of the conveying shaft 205 away from the gear 2051, a protruding portion of one end of the conveying shaft 205 is at the opening of the conveying cavity 2043, a gear 2051 is arranged at one end of the conveying shaft 205 protruding at the opening of the conveying cavity 2043, the gear 2051 is meshed with a rack at one side of the middle part of the annular groove 203, and one end of the conveying shaft 205 is rotatably connected to one side of the rotating shaft 204 through the limiting shaft 2053.

[0026] When the rotating shaft 204 rotates, the conveying shaft 205 connected to the middle part of the conveying chamber 2043 will also be driven to revolve, and one end of the conveying shaft 205 is meshed with the annular groove 203 through the gear 2051, so that when the conveying shaft 205 revolves, the gear 2051 will move along the rack in the annular groove 203, and the meshing of the gears will drive the conveying shaft 205 to start rotating, and one end of the conveying shaft 205 is rotatably connected to the rotating shaft 204 through the limiting shaft 2053, so that when the conveying shaft 205 rotates through the gear 2051, it will not affect the connection with the rotating shaft 204.

[0027] When the conveying shaft 205 rotates, it will drive the surrounding spiral disk 2052 to rotate in the conveying chamber 2043, and the protruding part of the spiral disk 2052 will contact the raw material at the opening of the conveying chamber 2043, so that when the spiral disk 2052 rotates, it will drive part of the raw material into the conveying chamber 2043, and then the continuous rotation of the conveying shaft 205 will continuously push the raw material into the conveying chamber 2043, move along the conveying chamber 2043, until it moves to one end of the conveying chamber 2043 and is discharged from the discharge hole 2042 by pushing and squeezing, so that the raw material that continues to rotate near the inner wall of the mixing barrel 2 due to the centrifugal force during rotation and stirring can be pushed back to the center for stirring, so as to avoid the raw material always gathering near the inner wall of the mixing barrel 2 due to the centrifugal force, so that the stirring effect on it becomes smaller, and part of the raw material will remain in a state and cannot be mixed.

[0028] The following is a specific implementation process of the utility model. First, the rotational molding raw materials and auxiliary materials that need to be mixed and stirred are poured into the mixing barrel 2, and then the top cover 201 is closed to seal the interior, and then the rotating motor 202 is opened to drive the rotating shaft 204 to rotate. When the rotating shaft 204 rotates, it will drive the stirring roller 2041 to revolve to stir and mix the rotational molding raw materials and auxiliary materials, and finally discharge them from the bottom. When the rotating shaft 204 rotates, it will drive the conveying shaft 205 connected to the middle part of the conveying cavity 2043 to revolve, and one end of the conveying shaft 205 is meshed with the annular groove 203 through the gear 2051, so that when the conveying shaft 205 revolves, the gear 2051 will move along the rack in the annular groove 203, and the meshing of the gears will drive the conveying shaft 205 to start rotating, and one end of the conveying shaft 205 is rotatably connected to the rotating shaft 204 through the limiting shaft 2053, so that the conveying shaft 205 passes through When the gear 2051 rotates, it will not affect the connection with the rotating shaft 204. When the conveying shaft 205 rotates, it will drive the surrounding spiral disk 2052 to rotate in the conveying chamber 2043, and the protruding part of the spiral disk 2052 will contact the raw material at the opening of the conveying chamber 2043, so that when the spiral disk 2052 rotates, it will drive part of the raw material into the conveying chamber 2043, and then the continuous rotation of the conveying shaft 205 will continuously push the raw material into the conveying chamber 2043, move along the conveying chamber 2043, until it moves to one end of the conveying chamber 2043 and is discharged from the discharge hole 2042 by pushing and squeezing, so that the raw material that continues to rotate near the inner wall of the mixing barrel 2 due to the centrifugal force during rotation and stirring can be pushed back to the center for stirring, so as to avoid the raw material always gathering near the inner wall of the mixing barrel 2 due to the centrifugal force, so that the stirring effect on it becomes smaller, and some raw materials will maintain a state and cannot be mixed.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rotomolding raw material mixer, comprising a base (1), a stirring barrel (2) disposed on the top of the base (1), a top cover (201) disposed on the top of the stirring barrel (2), a rotating motor (202) disposed on the bottom of the stirring barrel (2), a rotating shaft (204) disposed in the middle of the stirring barrel (2), stirring rollers (2041) disposed on both sides of the rotating shaft (204), It is characterized in that A discharge hole (2042) is provided on the side wall of one end of the stirring roller (2041) close to the rotating shaft (204); a conveying cavity (2043) is provided in the middle of the stirring roller (2041); an annular groove (203) is provided on the inner wall of the stirring barrel (2); a conveying component is provided in the middle of the conveying cavity (2043); and the conveying component moves and rotates along the annular groove (203).

2. A rotomolding raw material mixer according to claim 1, It is characterized in that The annular groove (203) is a circular groove on the inner wall of the mixing barrel (2), and a rack is provided at the bottom of the annular groove (203).

3. A rotomolding raw material mixer according to claim 1, It is characterized in that The stirring roller (2041) further comprises a discharge hole (2042), wherein the discharge hole (2042) is a plurality of circular holes arranged near one end of the stirring roller (2041).

4. A rotomolding raw material mixer according to claim 3, It is characterized in that The discharge hole (2042) is communicated with the conveying cavity (2043).

5. A rotomolding raw material mixer according to claim 1, It is characterized in that The conveying assembly comprises a conveying shaft (205), a gear (2051), a spiral disk (2052) and a limiting shaft (2053); the conveying shaft (205) is connected to the middle of the conveying cavity (2043); one end of the conveying shaft (205) is provided with a gear (2051); the spiral disk (2052) is provided on the side wall of the conveying shaft (205); and the limiting shaft (2053) is provided at one end of the conveying shaft (205) away from the gear (2051).

6. A rotomolding raw material mixer according to claim 5, It is characterized in that The protruding portion of one end of the conveying shaft (205) is at the opening of the conveying cavity (2043), and the gear (2051) is arranged at the end of the conveying shaft (205) protruding from the opening of the conveying cavity (2043).

7. A rotomolding raw material mixer according to claim 5, It is characterized in that The gear (2051) meshes with a rack on one side of the middle portion of the annular groove (203).

8. A rotomolding raw material mixer according to claim 5, It is characterized in that One end of the conveying shaft (205) is rotatably connected to one side of the rotating shaft (204) via a limiting shaft (2053).

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