Rubber auxiliary raw material mixing device

Abstract

The utility model relates to a rubber auxiliary raw material mixing device which comprises a barrel, a rotating shaft is arranged in the barrel, a reamer with downwards bent cutter teeth is fixedly connected to the bottom of the rotating shaft, a rotating inner barrel is arranged on the periphery of the reamer, the bottom of the inner barrel is open, and a connecting rod is fixedly connected to the outer wall of the inner barrel. The far end of the connecting rod is fixedly connected with a spiral plate belt, the outer edge of the spiral plate belt makes contact with the inner wall of the barrel, a feeding port is formed in the side wall of the barrel, and a discharging pipe is arranged at the bottom of the barrel. According to the rubber additive raw material mixing device disclosed by the invention, rubber additive raw materials are pushed to move towards the bottom of the barrel body when the downwards bent reamer rotates, so that the rubber additive circulates inside and outside the inner barrel to form rotational flow, and the defect that viscous materials are not easy to mix is overcome; the reamer can crush and mix solid raw materials, and the rotating spiral plate belt cleans the rubber auxiliary adhered to the inner wall of the cylinder, so that crushing and mixing of the rubber auxiliary in different phase states are facilitated, and the mixing effect is improved.

Description

Technical Field

[0001] The utility model relates to a mixing device, in particular to a mixing device for rubber additive raw materials. Background Art

[0002] Rubber is a highly elastic material with reversible deformation. Rubber can deform under the action of external force and return to its original shape when the external force is removed. It is often used in various aspects of industry and life. It is mainly divided into natural rubber and synthetic rubber. Rubber additives are needed in rubber production. They mainly include vulcanizers, accelerators, activators and anti-scorching agents. They can be well dispersed in the rubber material to prevent the formation of bubbles during vulcanization, and can also increase the cross-linking speed and product qualification rate. Therefore, with the development of the rubber industry, rubber additives have also developed. In addition, in the production process of rubber additives, mixing devices are also needed to mix rubber additives and other raw materials.

[0003] When mixing rubber additives, traditional mixing devices are mostly used for stirring and mixing. Traditional mixing devices have a single stirring method, mostly stirring by radial rotation of the stirring shaft. However, the raw materials of rubber additives have diverse phases and high stirring viscosity, resulting in poor mixing effect, resulting in low mixing efficiency of rubber additives. Utility Model Content

[0004] The purpose of the utility model is to provide a rubber additive raw material mixing device, which is used to solve the problem that the existing rubber additive raw material mixing device stirs the rubber additive raw material by radial rotation of the stirring shaft, but the rubber additive raw material has diverse phases and high stirring viscosity, resulting in poor mixing effect and low rubber additive mixing efficiency.

[0005] In order to solve the above problems, the utility model provides a rubber additive raw material mixing device, including a cylinder, a rotating shaft is provided in the cylinder, a reamer with downwardly curved teeth is fixedly connected to the bottom of the rotating shaft, a rotating inner cylinder is provided on the periphery of the reamer, the bottom of the inner cylinder is open, a connecting rod is fixedly connected to the outer wall of the inner cylinder, a spiral plate belt is fixedly connected to the far end of the connecting rod, the outer edge of the spiral plate belt is in contact with the inner wall of the cylinder, a feed port is provided on the side wall of the cylinder, and a discharge pipe is provided at the bottom of the cylinder.

[0006] The rubber additive raw material mixing device provided by the utility model also has the following technical features:

[0007] Furthermore, a connecting plate is fixedly connected to the top of the inner cylinder, an edge of the connecting plate contacts the inner wall of the cylinder, the connecting plate is rotatably connected to the rotating shaft, and a circulation port is opened under the connecting plate in the inner cylinder.

[0008] Furthermore, an inner gear ring is fixedly connected to the upper portion of the connecting plate, a reduction gear is meshed in the inner gear ring, a reduction shaft is fixedly connected to the reduction gear, and the reduction shaft is rotationally connected to the cylinder.

[0009] Furthermore, the top end of the reduction shaft outside the cylinder is fixedly connected with a transmission gear, the transmission gear is meshed with a drive gear, and the drive gear is fixedly connected to the rotating shaft.

[0010] Furthermore, the gear ratio of the transmission gear to the driving gear is 2:1, and the gear ratio of the reduction gear to the inner ring gear is 1:6.

[0011] Furthermore, a motor is fixedly connected to the cylinder, and a driving shaft of the motor is fixedly connected to the rotating shaft.

[0012] Furthermore, the spiral direction of the spiral plate belt is opposite to the rotation direction of the inner cylinder.

[0013] Furthermore, a temperature regulator is fixedly installed on the bottom of the cylinder.

[0014] The utility model has the following beneficial effects: the rubber chemical raw material mixing device described in the present application utilizes the downward curved reamer to push the rubber chemical raw material to move toward the bottom of the cylinder when it rotates, so that the rubber chemical circulates inside and outside the inner cylinder to form a vortex, thereby overcoming the defect that viscous materials are difficult to mix; the reamer can crush and mix the solid raw materials, and the rotating spiral plate belt cleans the rubber chemical adhered to the inner wall of the cylinder, which is beneficial to the crushing and mixing of rubber chemicals in different phases and improves the mixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front sectional isometric diagram of a rubber additive raw material mixing device according to an embodiment of the present invention;

[0016] Figure 2 This is an axonometric diagram of a rubber additive raw material mixing device according to an embodiment of the present utility model;

[0017] Figure 3 This is a front cross-sectional schematic diagram of a rubber additive raw material mixing device according to an embodiment of the present utility model;

[0018] Figure 4 This is a top cross-sectional schematic diagram of a rubber additive raw material mixing device according to an embodiment of the present invention.

[0019] (1- cylinder, 2- rotating shaft, 3- reamer, 4- inner cylinder, 5- connecting rod, 6- spiral plate, 7- feed port, 8- discharge pipe, 9- connecting plate, 10- circulation port, 11- inner ring gear, 12- reduction gear, 13- reduction shaft, 14- transmission gear, 15- driving gear, 16- motor, 17- temperature regulator) DETAILED DESCRIPTION

[0020] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

[0021] like Figures 1 to 4 In the embodiment of the rubber chemical raw material mixing device of the present invention shown, the rubber chemical raw material mixing device includes a cylinder 1, a rotating shaft 2 is provided in the cylinder 1, a reamer 3 with downwardly curved teeth is fixedly connected to the bottom of the rotating shaft 2, a rotating inner cylinder 4 is provided on the periphery of the reamer 3, the bottom of the inner cylinder 4 is open, a connecting rod 5 is fixedly connected to the outer wall of the inner cylinder 4, a spiral plate belt 6 is fixedly connected to the distal end of the connecting rod 5, the outer edge of the spiral plate belt 6 is in contact with the inner wall of the cylinder 1, a feed port 7 is provided on the side wall of the cylinder 1, and a discharge pipe 8 is provided at the bottom of the cylinder 1.

[0022] Specifically, the rubber chemical raw material is fed into the cylinder 1 through the feed port 7, so that the rotating shaft 2 rotates, and the rotating shaft 2 drives the reamer 3 at the bottom to rotate. During the rotation, the liquid raw material, powder, and solid raw material entering the inner cylinder 4 are pushed downward. Under the action of the driving force, the flowing raw material flips from the bottom of the inner cylinder 4 to the outside of the inner cylinder 4, and a negative pressure is formed on the upper part of the inner cylinder 4. The raw material outside the inner cylinder 4 enters the inner cylinder 4 from the top of the inner cylinder 4, forming a circulating vortex. During the circulation, the reamer 3 continuously crushes the solid or powder material, so that the inner cylinder 4 rotates slowly, and the inner cylinder 4 drives the spiral plate 6 to rotate and scrapes off the raw material adhering to the inner wall of the cylinder 1.

[0023] In one embodiment of the present application, preferably, a connecting plate 9 is fixedly connected to the top of the inner cylinder 4, the edge of the connecting plate 9 is in contact with the inner wall of the cylinder 1, the connecting plate 9 is rotatably connected to the rotating shaft 2, and the inner cylinder 4 is provided with a circulation port 10 under the connecting plate 9, which is used to allow the rubber additive raw material to enter the inner cylinder 4 from the top of the inner cylinder 4, and the connecting plate 9 is used to drive the inner cylinder 4 to rotate.

[0024] In one embodiment of the present application, preferably, an inner ring gear 11 is fixedly connected to the upper portion of the connecting plate 9, a reduction gear 12 is meshed inside the inner ring gear 11, a reduction shaft 13 is fixedly connected to the reduction gear 12, and the reduction shaft 13 is rotationally connected to the cylinder 1 for driving the connecting plate 9 to rotate.

[0025] In one embodiment of the present application, preferably, the reduction shaft 13 is fixedly connected to a transmission gear 14 at the top outside the cylinder 1, the transmission gear 14 is engaged with a drive gear 15, and the drive gear 15 is fixedly connected to the rotating shaft 2, and is used to drive the connecting plate 9 to rotate when the rotating shaft 2 is driven by external power.

[0026] In one embodiment of the present application, preferably, the gear ratio of the transmission gear 14 and the driving gear 15 is 2:1, and the gear ratio of the reduction gear 12 and the inner ring gear 11 is 1:6. Since the required rotation speed of the rotating shaft 2 is high and the rotation speed of the inner cylinder 4 is slow, deceleration is performed through different gear ratios.

[0027] In one embodiment of the present application, preferably, a motor 16 is fixedly connected to the cylinder 1, and a drive shaft of the motor 16 is fixedly connected to the rotating shaft 2 for driving the rotating shaft 2 to rotate, thereby driving the reamer 3 and the inner cylinder 4 to rotate.

[0028] In one embodiment of the present application, preferably, the spiral direction of the spiral belt 6 is opposite to the rotation direction of the inner cylinder 4, so as to prevent the spiral belt 6 from blocking the rubber additive raw material turning upward in the cylinder 1 when rotating.

[0029] In one embodiment of the present application, preferably, a temperature regulator 17 is fixedly installed at the bottom of the cylinder 1 for adjusting the temperature of the rubber additive raw materials during mixing.

[0030] In summary, the rubber chemical raw material mixing device in the above embodiment of the present invention is, specifically, to put the rubber chemical raw material into the cylinder 1 through the feed port 7, start the motor 16 to drive the rotating shaft 2 to rotate, and the rotating shaft 2 drives the reamer 3 at the bottom to rotate, and when rotating, the liquid raw material and the powder and solid raw material entering the inner cylinder 4 are pushed downward, and the flowing raw material is turned from the bottom of the inner cylinder 4 to the outside of the inner cylinder 4 under the action of the driving force, and the upper part of the inner cylinder 4 forms a negative pressure, and the raw material outside the inner cylinder 4 enters the inner cylinder from the circulation port 10 at the top of the inner cylinder 4, forming Circulating vortex, during which the reamer 3 continuously crushes solid or powdered materials, and when the rotating shaft 2 rotates, the driving gear 15 drives the transmission gear 14, which drives the reduction gear 12 through the reduction shaft 13, and the reduction gear 12 drives the inner ring gear 11, which drives the connecting plate 9 to rotate, which drives the inner barrel 4 to rotate slowly, and the inner barrel 4 drives the spiral plate belt 6 to rotate and scrape upward the raw materials adhering to the inner wall of the barrel 1, and uses the temperature regulator 17 to adjust the mixing temperature. After the mixing is completed, it is discharged through the discharge pipe 8. When the downwardly curved reamer 3 of this device rotates, it pushes the rubber additive raw materials toward the bottom of the barrel 1, causing the rubber additive to circulate inside and outside the inner barrel 4 to form a vortex, overcoming the defect that viscous materials are difficult to mix; the reamer 3 can crush and mix the solid raw materials, and the rotating spiral plate belt 6 cleans the rubber additives adhering to the inner wall of the barrel 1, which is beneficial to the crushing and mixing of rubber additives in different phases and improves the mixing effect.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A rubber additive raw material mixing device, characterized in that: It includes a cylinder, a rotating shaft is provided in the cylinder, a reamer with downwardly bent teeth is fixedly connected to the bottom of the rotating shaft, a rotating inner cylinder is provided on the periphery of the reamer, the bottom of the inner cylinder is open, a connecting rod is fixedly connected to the outer wall of the inner cylinder, a spiral plate belt is fixedly connected to the far end of the connecting rod, the outer edge of the spiral plate belt is in contact with the inner wall of the cylinder, a feed port is provided on the side wall of the cylinder, and a discharge pipe is provided at the bottom of the cylinder.

2. The rubber additive raw material mixing device according to claim 1, characterized in that: A connecting plate is fixedly connected to the top of the inner cylinder, the edge of the connecting plate contacts the inner wall of the cylinder, the connecting plate is rotatably connected to the rotating shaft, and a circulation port is opened under the connecting plate.

3. The rubber additive raw material mixing device according to claim 2, characterized in that: An inner gear ring is fixedly connected to the upper portion of the connecting plate, a reduction gear is meshed in the inner gear ring, a reduction shaft is fixedly connected to the reduction gear, and the reduction shaft is rotatably connected to the cylinder.

4. The rubber additive raw material mixing device according to claim 3, characterized in that: The top end of the deceleration shaft outside the cylinder is fixedly connected with a transmission gear, the transmission gear is meshed with a driving gear, and the driving gear is fixedly connected to the rotating shaft.

5. The rubber additive raw material mixing device according to claim 4, characterized in that: The gear ratio of the transmission gear to the driving gear is 2:1, and the gear ratio of the reduction gear to the inner ring gear is 1:

6.

6. The rubber additive raw material mixing device according to claim 5, characterized in that: The cylinder is fixedly connected with a motor, and the driving shaft of the motor is fixedly connected with the rotating shaft.

7. The rubber additive raw material mixing device according to claim 1, characterized in that: The spiral direction of the spiral plate belt is opposite to the rotation direction of the inner cylinder.

8. The rubber additive raw material mixing device according to claim 1, characterized in that: A temperature regulator is fixedly installed on the bottom of the cylinder.

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