Hydraulic turnover device of internal mixer

Abstract

A hydraulic turnover device of an internal mixer comprises a rack, a rotary power device, an internal mixing device and a hydraulic turnover device, the rack comprises a base, a stand column and a motor base, the stand column is arranged on the front portion of the upper end face of the base, the motor base is located on one side of the base, the rotary power device comprises a motor and a speed reducer, and the speed reducer and the motor are arranged side by side. The hydraulic turnover device comprises a driving cylinder, a joint connecting seat and an outer side rotating shaft, the driving cylinder is fixedly mounted at the left part of the upper end surface of the base, a piston rod of the driving cylinder is connected with the joint connecting seat, and the joint connecting seat is connected with the outer side rotating shaft; the outer side rotating shaft is connected with the connector connecting base through the overturning disc arranged on the outer side rotating shaft in a sleeving mode, the connector connecting base is arranged at the eccentric circle of the outer side rotating shaft, the connector connecting base is pulled back clockwise through the piston rod, the overturning disc is made to overturn clockwise around the outer side rotating shaft, and therefore the internal mixing device is driven to unload materials.

Description

Technical Field

[0001] The utility model relates to a hydraulic turning device for an internal mixer and belongs to the field of internal mixers. Background Art

[0002] With the development of chemical industries such as rubber, plastic, and powder metallurgy, a large amount of powder raw materials need to be mixed to form various synthetic materials. In the production process of synthetic materials, users add various powder raw materials into the mixing box of equipment such as mixers, internal mixers, and open mixers, and use the mixing shaft to stir the powder raw materials in the mixing box to fully mix the raw materials to form the required synthetic materials. Among them, internal mixers are one of the most important rubber mixing equipment in the modern rubber industry. They have a series of superior characteristics than open mixers, such as large mixing capacity, short time, high production efficiency, better overcoming dust flying, reducing the loss of compounding agents, improving product quality and working environment, safe and convenient operation, reducing labor intensity, and facilitating mechanical and automated operations. It has become an important achievement in the field of rubber mixing and is still a typical and important equipment in plasticizing and mixing, and is constantly developing and improving.

[0003] After the traditional internal mixer completes the material mixing, it uses a hydraulic cylinder push method, which requires a large installation space and will produce a large direct impact force on the components during the push process, resulting in rapid wear and noise of the equipment. At the same time, the energy transfer efficiency is low, resulting in energy waste. In addition, the push-type turning device is prone to material jamming during the turning process, and the thoroughness of unloading cannot be guaranteed, affecting production efficiency and product quality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a hydraulic turning device for an internal mixer to solve the problem that the existing hydraulic cylinder pushing method requires a large installation space and is prone to equipment wear and energy waste.

[0005] In order to achieve the above object, the utility model is implemented through the following technical scheme: a hydraulic turning device for an internal mixer, comprising:

[0006] A frame, the frame comprising a base, a column and a motor base, the column is arranged at the front part of the upper end surface of the base, and the motor base is located at one side of the base;

[0007] A rotary power device, the rotary power device comprising a motor and a reducer, the motor is fixed on a motor base, and the reducer is arranged side by side with the motor;

[0008] The internal mixing device comprises a material pressing cylinder and an internal mixing chamber assembly. The material pressing cylinder is arranged above the column. The internal mixing chamber assembly is closely connected with the rotary power device and rotates by the power provided by the rotary power device, thereby achieving stirring and kneading of the material.

[0009] A hydraulic turning device, the hydraulic turning device comprises a driving cylinder, a joint connecting seat and an outer rotating shaft, the driving cylinder is fixedly installed on the left part of the upper end surface of the base, the piston rod of the driving cylinder is connected to the joint connecting seat, and the outer rotating shaft is connected to the joint connecting seat through a turning disk sleeved thereon, wherein the joint connecting seat is arranged at the eccentric circle of the outer rotating shaft, and the piston rod pulls back the joint connecting seat clockwise to make the turning disk turn clockwise around the outer rotating shaft, thereby driving the internal mixing device to perform the material unloading operation.

[0010] Furthermore, the hydraulic flipping device also includes a drive cylinder support seat, the drive cylinder is fixedly mounted on the base through the drive cylinder support seat, and the end of the piston rod of the drive cylinder is connected to a drive cylinder joint and is hinged to the joint connection seat through the drive cylinder joint.

[0011] Furthermore, the joint connection seat is tilted relative to the base, and the tilt angle is 15 to 30 degrees, and the driving cylinder is one of an oil cylinder, a hydraulic cylinder, and a pneumatic cylinder.

[0012] Furthermore, at least two columns are provided and are arranged opposite to each other, and the side edges of the columns are inclined, gradually shrinking from the outside to the inside and converging in the vertical direction of the mixing chamber assembly to form a supporting platform.

[0013] Furthermore, a mixing chamber assembly support seat is provided at the rear of the upper end surface of the base, and a press cylinder support frame is extended from the rear side of the base, and the press cylinder support frame is used to fix the press cylinder on the support platform.

[0014] Furthermore, the pressing cylinder is also extended with a feeding gate cylinder on the front side near the column, and the bottom of the feeding gate cylinder is also connected with a feeding gate in the vertical direction. The feeding gate is located between the left and right columns to facilitate the control of the entry and exit of materials.

[0015] Furthermore, the rotary power device also includes a transmission pulley and a speed ratio gear oil tank. The output shaft of the motor and the input end of the reducer are both provided with a transmission pulley. The motor transmits power to the reducer through the cooperation between the transmission pulleys. The speed ratio gear oil tank is connected to the output end of the reducer and is used to provide lubrication and cooling for the gears inside the reducer.

[0016] Furthermore, the mixing chamber assembly also includes an inner rotating shaft, which is close to the column and arranged opposite to the outer rotating shaft. The inner rotating shaft is connected to the rotor inside the mixing chamber assembly and is used to drive the rotor to rotate to achieve stirring and kneading of the material. The outer rotating shaft is used to drive the mixing chamber assembly to flip around it under the action of the hydraulic flipping device to achieve the material unloading operation.

[0017] The beneficial effects of the utility model are:

[0018] 1. The core innovation of the present application lies in the unique design of the hydraulic flipping device, which adopts a pull-back unloading mechanism, and sets the joint connection seat at the eccentric circle of the outer rotating shaft. By driving the piston rod in the cylinder to pull back the joint connection seat, the lever effect at the eccentric circle is used to make the flipping disk flip around the outer rotating shaft, thereby driving the internal mixing chamber assembly to flip and realize the unloading of materials. The pull-back design of the present application can make more effective use of space while reducing equipment wear and energy consumption. This unique unloading method can also improve unloading efficiency, reduce the risk of material residue, and further improve the performance and reliability of the entire internal mixer.

[0019] 2. In the present application, the rotary power device transmits power through the cooperation of the motor and the reducer, using the transmission pulley, which not only buffers the load impact, but also realizes the reasonable adjustment of the speed and torque, ensuring the stable operation of the mixing chamber components. The speed ratio gear oil tank provides the necessary lubrication and cooling for the internal gears of the reducer, effectively reducing gear wear and extending the service life of the reducer. The mixing device can effectively control the entry and exit of materials and prevent material leakage through the cooperation of the feed door cylinder and the pressure cylinder, ensuring the sealing of the mixing chamber and the safety of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0021] Figure 1 This is a schematic diagram of the back structure of a hydraulic turning device for an internal mixer according to the utility model;

[0022] Figure 2 This is a front side structural schematic diagram of a hydraulic turning device for an internal mixer according to the utility model;

[0023] Figure 3 This is a schematic diagram of the back side structure of a hydraulic turning device for an internal mixer according to the utility model;

[0024] Figure 4 for Figure 2 A partial enlarged view of point A in the middle.

[0025] The reference numerals in the drawings are respectively: 1, frame; 101, base; 102, column; 1021, support platform; 103, motor base; 2, rotating power device; 201, motor; 202, driving pulley; 203, reducer; 204, speed ratio gear oil tank; 3, mixing device; 301, mixing chamber assembly support seat; 302, pressing cylinder support frame; 303, pressing cylinder; 304, feed gate cylinder; 305, feed gate; 306, mixing chamber assembly; 307, inner rotating shaft; 4, hydraulic turning device; 401, drive cylinder support seat; 402, drive cylinder; 403, drive cylinder joint; 404, joint connecting seat; 405, turning disk; 406, outer rotating shaft. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model provides a technical solution for a hydraulic turning device for an internal mixer, which includes:

[0028] A frame 1, the frame 1 comprising a base 101, a column 102 and a motor base 103, the column 102 being arranged at the front part of the upper end surface of the base 101, and the motor base 103 being located at one side of the base 101;

[0029] The rotary power device 2 comprises a motor 201 and a reducer 203. The motor 201 is fixed on the motor base 103. The reducer 203 is arranged side by side with the motor 201.

[0030] The internal mixing device 3 comprises a material pressing cylinder 303 and an internal mixing chamber assembly 306. The material pressing cylinder 303 is arranged above the column 102. The internal mixing chamber assembly 306 is closely connected to the rotary power device 2 and rotates by the power provided by the rotary power device 2, thereby achieving stirring and kneading of the material;

[0031] A hydraulic flipping device 4, the hydraulic flipping device 4 includes a driving cylinder 402, a joint connecting seat 404 and an outer rotating shaft 406, the driving cylinder 402 is fixedly installed on the left part of the upper end surface of the base 101, the piston rod of the driving cylinder 402 is connected to the joint connecting seat 404, and the outer rotating shaft 406 is connected to the joint connecting seat 404 through a flipping disk 405 sleeved thereon, wherein the joint connecting seat 404 is arranged at the eccentric circle of the outer rotating shaft 406, and the piston rod pulls back the joint connecting seat 404 clockwise, so that the flipping disk 405 flips clockwise around the outer rotating shaft 406, thereby driving the internal mixing device 3 to perform the material unloading operation.

[0032] In order to ensure that the hydraulic flipping device can effectively transmit power, the hydraulic flipping device 4 also includes a drive cylinder support seat 401, and the drive cylinder 402 is fixedly installed on the base 101 through the drive cylinder support seat 401. The piston rod end of the drive cylinder 402 is connected with a drive cylinder joint 403 and is hinged to the joint connecting seat 404 through it.

[0033] In order to optimize the force transmission path, the joint connection seat 404 is tilted relative to the base 101, and the tilt angle is 15 to 30 degrees. The driving cylinder 402 is one of an oil cylinder, a hydraulic cylinder, and a pneumatic cylinder.

[0034] In order to increase the stability of the frame and provide installation support, at least two columns 102 are provided and are arranged opposite to each other. The sides of the columns 102 are inclined and gradually shrink from the outside to the inside and converge in the vertical direction of the mixing chamber assembly 306 to form a support platform 1021.

[0035] In order to stably support the mixing chamber assembly and fix the pressing cylinder, a mixing chamber assembly support seat 301 is also provided at the rear of the upper end surface of the base 101, and a pressing cylinder support frame 302 is also extended from the rear side of the base 101. The pressing cylinder support frame 302 is used to fix the pressing cylinder 303 on the supporting platform 1021.

[0036] In order to control the inflow and outflow of materials, the pressure cylinder 303 is also extended with a feed gate cylinder 304 on the front side near the column 102, and the bottom of the feed gate cylinder 304 is also connected with a feed gate 305 in the vertical direction. The feed gate 305 is located between the left and right columns 102 to facilitate the control of the inflow and outflow of materials.

[0037] In order to achieve effective power transmission and lubrication and cooling, the rotating power device 2 also includes a transmission pulley 202 and a speed ratio gear oil tank 204. The output shaft of the motor 201 and the input end of the reducer 203 are both provided with a transmission pulley 202. The motor 201 transmits power to the reducer 203 through the cooperation between the transmission pulleys 202. The speed ratio gear oil tank 204 is connected to the output end of the reducer 203 and is used to provide lubrication and cooling for the gears inside the reducer 203.

[0038] In order to achieve material mixing and unloading, the mixing chamber assembly 306 also includes an inner rotating shaft 307, and the inner rotating shaft 307 is close to the column 102 and is arranged opposite to the outer rotating shaft 406. The inner rotating shaft 307 is connected to the rotor inside the mixing chamber assembly 306, and is used to drive the rotor to rotate to achieve mixing and kneading of the material. The outer rotating shaft 406 is used to drive the mixing chamber assembly 306 to flip around it under the action of the hydraulic flipping device 4 to achieve the material unloading operation.

[0039] The core innovation of the present application lies in the unique design of the hydraulic flipping device 4, which adopts a pull-back unloading mechanism, and sets the joint connecting seat 404 at the eccentric circle of the outer rotating shaft 406. The piston rod in the driving cylinder 402 pulls back the joint connecting seat 404, and uses the lever effect at the eccentric circle to make the flipping disk 405 flip around the outer rotating shaft 406, thereby driving the internal mixing chamber assembly 306 to flip and realize the unloading of materials. The pull-back design of the present application can make more effective use of space while reducing equipment wear and energy consumption. This unique unloading method can also improve unloading efficiency, reduce the risk of material residue, and further improve the performance and reliability of the entire internal mixer.

[0040] In the present application, the rotary power device 2 transmits power through the cooperation of the motor 201 and the reducer 203, using the transmission pulley 202, which not only buffers the load impact, but also realizes the reasonable adjustment of the speed and torque, ensuring the stable operation of the mixing chamber assembly 306. The speed ratio gear oil tank 204 provides the necessary lubrication and cooling for the internal gears of the reducer 203, effectively reducing gear wear and extending the service life of the reducer 203. The mixing device 3 can effectively control the entry and exit of materials and prevent material leakage through the cooperation of the feed door cylinder 304 and the pressing cylinder 303, ensuring the sealing of the mixing chamber and the safety of operation.

[0041] The inclined setting of the joint connection seat 404 in the present application can optimize the force transmission path, reduce the loss of component equipment caused by direct impact, and the force can be transmitted over a larger contact area, thereby dispersing stress, reducing local stress concentration, and extending the service life of the equipment; the inclined joint connection seat 404 can produce a lever effect when the drive cylinder 402 is pulled back, and this lever effect can amplify the force of the drive cylinder 402, so that the flip disk 405 is easier to flip around the outer rotating axis 406, thereby improving the flipping efficiency, and a reasonable inclination angle can reduce the energy loss in the force transmission process, so that the force of the hydraulic cylinder is more effectively converted into the flipping motion of the flip disk; different flipping forces and angles may be required for different material properties and process requirements. At this time, the inclined joint connection seat 404 can adapt to the processing requirements of different materials by adjusting the angle, and has a wider range of practicality.

[0042] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0043] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A hydraulic turning device for an internal mixer, characterized in that: It includes: A frame (1), the frame (1) comprising a base (101), a column (102) and a motor base (103), the column (102) being arranged at the front part of the upper end surface of the base (101), and the motor base (103) being located at one side of the base (101); A rotary power device (2), the rotary power device (2) comprising a motor (201) and a reducer (203), the motor (201) being fixed on a motor base (103), and the reducer (203) and the motor (201) being arranged side by side; A mixing device (3), the mixing device (3) comprising a material pressing cylinder (303) and a mixing chamber assembly (306), the material pressing cylinder (303) being arranged above the column (102), the mixing chamber assembly (306) being closely connected to the rotary power device (2) and rotating by the power provided thereby, thereby achieving stirring and kneading of the material; A hydraulic turning device (4), the hydraulic turning device (4) comprising a driving cylinder (402), a joint connection seat (404) and an outer rotating shaft (406), wherein the driving cylinder (402) is fixedly mounted on the left portion of the upper end surface of the base (101), the piston rod of the driving cylinder (402) is connected to the joint connection seat (404), and the outer rotating shaft (406) is connected to the joint connection seat (404) via a turning disc (405) sleeved thereon, wherein the joint connection seat (404) is arranged at an eccentric circle of the outer rotating shaft (406), and the piston rod pulls the joint connection seat (404) back clockwise, so that the turning disc (405) turns clockwise around the outer rotating shaft (406), thereby driving the internal mixing device (3) to perform a material unloading operation.

2. The hydraulic turning device for an internal mixer according to claim 1, characterized in that: The hydraulic turning device (4) further comprises a driving cylinder support seat (401), the driving cylinder (402) being fixedly mounted on the base (101) via the driving cylinder support seat (401), and a driving cylinder joint (403) being connected to the end of the piston rod of the driving cylinder (402) and being hingedly connected to the joint connection seat (404) via the driving cylinder joint (403).

3. The hydraulic turning device for an internal mixer according to claim 1, characterized in that: The joint connection seat (404) is tilted relative to the base (101), with the tilt angle being 15 to 30 degrees, and the driving cylinder (402) is one of an oil cylinder, a hydraulic cylinder, and a pneumatic cylinder.

4. The hydraulic turning device for an internal mixer according to claim 1, characterized in that: At least two upright posts (102) are provided and are arranged opposite to each other. The sides of the upright posts (102) are designed to be inclined, gradually shrinking from the outside to the inside and converging in the vertical direction of the mixing chamber component (306) to form a supporting platform (1021).

5. A hydraulic turning device for an internal mixer according to claim 4, characterized in that: A mixing chamber assembly support seat (301) is also provided at the rear of the upper end surface of the base (101), and a press cylinder support frame (302) is also extended from the rear side of the base (101), and the press cylinder support frame (302) is used to fix the press cylinder (303) on the support platform (1021).

6. A hydraulic turning device for an internal mixer according to claim 5, characterized in that: The pressing cylinder (303) is also provided with a feeding gate cylinder (304) extending from the front side near the column (102), and a feeding gate (305) is also connected to the bottom of the feeding gate cylinder (304) in a vertical direction. The feeding gate (305) is located between the left and right columns (102) to facilitate the control of the entry and exit of materials.

7. The hydraulic turning device for an internal mixer according to claim 1, characterized in that: The rotary power device (2) further comprises a transmission pulley (202) and a speed ratio gear oil tank (204); the output shaft of the motor (201) and the input end of the reducer (203) are both provided with a transmission pulley (202); the motor (201) transmits power to the reducer (203) through the cooperation between the transmission pulleys (202); the speed ratio gear oil tank (204) is connected to the output end of the reducer (203) and is used to provide lubrication and cooling for the gears inside the reducer (203).

8. The hydraulic turning device for an internal mixer according to claim 1, characterized in that: The internal part of the mixing chamber assembly (306) further comprises an inner rotating shaft (307), the inner rotating shaft (307) being close to the column (102) and being arranged opposite to the outer rotating shaft (406), the inner rotating shaft (307) being connected to the rotor inside the mixing chamber assembly (306) and being used to drive the rotor to rotate so as to achieve stirring and kneading of the material, and the outer rotating shaft (406) being used to drive the mixing chamber assembly (306) to flip around it under the action of the hydraulic flipping device (4) so ​​as to achieve a material unloading operation.

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