Constant-temperature oil bath internal mixing device

Abstract

The utility model discloses a constant-temperature oil bath internal mixing device which comprises an internal mixing box, a feeding channel is arranged at the upper part in the internal mixing box, and a mounting cavity is arranged at the lower part in the internal mixing box; the feeding pipe fixedly communicates with one side of the upper portion of the internal mixing box, the hydraulic cylinder is fixedly installed at the top of the internal mixing box, and the telescopic end of the hydraulic cylinder extends into the internal mixing box and is fixedly connected with a push plate; the heat-conducting oil jacket is fixedly mounted at the bottom of the mounting cavity of the internal mixing box, a stirring part is mounted in the heat-conducting oil jacket, a heat-conducting oil cavity is formed in the wall of the heat-conducting oil jacket, a heating part is fixedly mounted in the heat-conducting oil cavity, and discharge ports are formed in the bottoms of the heat-conducting oil jacket and the internal mixing box; the heat conduction shaft is heated and matched with the heat conduction oil jacket for internal and external simultaneous heating and internal mixing, so that the material heating uniformity can be further improved, the material mixing efficiency is improved, continuous, high-temperature and constant-temperature control over the internal mixing temperature is facilitated, and the internal mixing quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of internal mixers, in particular to a constant temperature oil bath internal mixer device. Background Art

[0002] Internal mixer is the abbreviation of closed rubber mixing mill, which is mainly used for plasticizing and mixing rubber.

[0003] The Chinese patent publication number CN219359919U discloses a cable material mixer, including a shell, a heating cylinder is installed on the inner wall of the shell, and a fixed cylinder is fixedly installed on the inner wall of the heating cylinder, and a first heating wire is inlaid on the outer wall of the heating cylinder, a feed hopper is fixedly penetrated through one side of the shell and the fixed cylinder, and a feed pipe is welded to the upper part of the upper hopper, an electric telescopic rod is penetrated through the upper part of the shell, and a push plate is fixedly installed on one end of the electric telescopic rod, and a scraper is installed under the push plate, a mixer box is installed inside the shell, and a slot is opened on the upper part of the mixer box, two groups of heating plates are installed on the outer wall of the mixer box, and the outer walls of the two groups of heating plates are inlaid with second heating wires, and two groups of servo motors are installed on the end face of the mixer box, and the output ends of the two groups of servo motors are clamped with A stirring shaft, and stirring paddles are fixedly installed on the side walls of the two groups of stirring shafts, a discharge pipe is fixedly penetrated through the lower part of the internal mixing box, a first bearing and a fixed plate are arranged on the upper part of the push plate, a connecting shaft is penetrated inside the first bearing, and a first bevel gear is fixedly sleeved on the side wall at one end of the connecting shaft, and the other end of the connecting shaft is fixedly connected to the upper part of the scraper, two groups of second bearings are penetrated on one side of the fixed plate, and transmission shafts are penetrated inside the two groups of second bearings, and groove wheels are fixedly sleeved on the side walls at one end of the two groups of transmission shafts, and transmission belts are sleeved on the side walls of the two groups of groove wheels, a fixed through groove is opened on the upper part of the outer shell, a serrated plate is fixedly installed on the upper part of the outer shell, a rotating gear is fixedly sleeved on the other end side wall of the upper group of transmission shafts, and a second bevel gear is fixedly sleeved on the other end side wall of the lower group of transmission shafts.

[0004] The above patent can solve the corresponding technical problems and can remove the molten cable material adsorbed on the lower part of the pushing structure. However, during use, the above patent only installs a heating cylinder and a heating plate on the inner wall of the outer shell of the mixer, and installs heating wires on the heating cylinder and the heating plate for heat conduction. This heating method is likely to cause uneven heating of the material, thereby reducing the mixing efficiency and quality of the material. Utility Model Content

[0005] The utility model aims to provide a constant temperature oil bath internal mixing device, which solves the problem that the internal mixer of the prior art installs a heating cylinder and a heating plate on the inner wall of the shell, and installs heating wires on the heating cylinder and the heating plate for heat conduction, and such heating method easily causes uneven heating of the material, thereby reducing the internal mixing efficiency and quality of the material.

[0006] In order to achieve the above-mentioned purpose, the main technical scheme adopted by the utility model includes: a constant temperature oil bath mixing device, including: a base; a mixing box, which is fixedly installed on the top of the base through supporting legs, a feeding channel is provided on the upper part of the mixing box, and an installation cavity is provided on the lower part; a feed pipe, which is fixedly connected to the upper side of the mixing box, and a first sealing cover is threadedly installed on the feed pipe; a hydraulic cylinder, which is fixedly installed on the top of the mixing box, and the telescopic end of the hydraulic cylinder extends into the interior of the mixing box and is fixedly connected with a push plate; and a heat transfer oil jacket, which is fixedly installed on the bottom of the installation cavity of the mixing box, a stirring component is installed inside the heat transfer oil jacket, a heat transfer oil cavity is provided inside the sleeve wall of the heat transfer oil jacket, a heating element is fixedly installed inside the heat transfer oil cavity, and discharge ports are provided at the bottom of the heat transfer oil jacket and the bottom of the mixing box, and a second sealing cover is sealed between the insides of the two discharge ports.

[0007] As a preferred technical solution, the stirring component includes two groups of bearings fixedly mounted at both ends of the heat-conducting oil jacket, each group of the bearings is provided with two bearings, a heat-conducting shaft is fixedly mounted in the inner rings of the two bearings, and four-impeller stirring blades are fixedly mounted on the heat-conducting shaft, and the two four-impeller stirring blades are symmetrically arranged;

[0008] One end of the two heat-conducting shafts is respectively fixedly connected to a connecting rod, a main pulley is fixedly installed on one of the connecting rods, and a slave pulley is fixedly installed on the other connecting rod, the slave pulley is connected to the main pulley through a belt, and a driving motor is fixedly connected to the base through a support plate, and the output shaft of the driving motor is fixedly connected to one end of one of the connecting rods through a coupling.

[0009] As a preferred technical solution, the interior of the heat-conducting oil jacket is narrow at the top and wide at the bottom, the upper part is a feed channel, the lower part is a mixing chamber, and the heat-conducting shaft is arranged inside the mixing chamber.

[0010] As a preferred technical solution, the heating element is an electric heating wire, and the electric heating wire is installed throughout the entire heat transfer oil chamber.

[0011] As a preferred technical solution, the thermal oil jacket is a copper structure.

[0012] As a preferred technical solution, a temperature sensor is fixedly installed inside the heat transfer oil chamber;

[0013] It also includes a controller, which is fixedly mounted on the base and has a display screen. The controller is electrically connected to the hydraulic cylinder, the electric heating wire, the drive motor and the temperature sensor.

[0014] As a preferred technical solution, the second sealing cover is inserted into the inside of the two discharge ports, and the plug-in end of the second sealing cover is flush with the bottom of the heat transfer oil jacket, and the second sealing cover is fixedly connected to the bottom of the mixing box by bolts.

[0015] The utility model has at least the following beneficial effects:

[0016] The utility model provides a constant temperature oil bath mixing device, which pours materials from a feed pipe into the interior of a mixing box and enters the mixing chamber of a heat-conducting oil jacket through a material discharge channel, and starts a driving motor to drive two heat-conducting shafts to rotate simultaneously. During the rotation of the two heat-conducting shafts, the materials can be effectively mixed and stirred by four-impeller stirring blades. During the mixing, an electric heating wire can heat the heat-conducting oil in the heat-conducting oil chamber. A temperature sensor detects the temperature of the heat-conducting oil in the heat-conducting oil chamber in real time and displays it on a display screen. The output of the electric heating wire is controlled by a controller. By heating the heat-conducting shaft and cooperating with the heat-conducting oil jacket to perform internal and external heating and mixing simultaneously, the uniformity of heating of the material can be further increased, the material mixing efficiency can be improved, and the continuous, high-temperature, constant-temperature control of the mixing temperature is facilitated, thereby improving the quality of mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 It is a front cross-sectional view of the internal mixer box of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the four-impeller stirring blade of the utility model;

[0020] Figure 3 It is a side sectional view of the internal mixing box of the utility model;

[0021] Figure 4 It is a side sectional view of the heat transfer oil jacket of the utility model.

[0022] Description of Figure Numbers:

[0023] 1. Base; 11. Support legs; 12. Support plate; 2. Mixing box; 21. Feeding channel; 3. Feeding pipe; 31. First sealing cover; 4. Hydraulic cylinder; 41. Push plate; 5. Thermal oil jacket; 51. Feeding channel; 52. Thermal oil chamber; 53. Bearing; 54. Thermal shaft; 55. Four-impeller stirring blade; 56. Discharge port; 57. Electric heating wire; 6. Connecting rod; 61. Main pulley; 62. Slave pulley; 63. Belt; 7. Driving motor; 8. Second sealing cover; 81. Bolt; 9. Controller; 10. Temperature sensor. DETAILED DESCRIPTION

[0024] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0025] Example

[0026] Please refer to Figures 1 to 4 As shown, an embodiment of the utility model provides a constant temperature oil bath mixing device, comprising: a base 1;

[0027] The internal mixing box 2 is fixedly mounted on the top of the base 1 through the support legs 11, and a material discharge channel 21 is provided on the upper part of the internal mixing box 2, and a mounting cavity is provided on the lower part;

[0028] A feed pipe 3 is fixedly connected to one side of the upper portion of the mixing box 2, and a first sealing cover 31 is threadedly mounted on the feed pipe 3;

[0029] A hydraulic cylinder 4 is fixedly mounted on the top of the mixing box 2, and a telescopic end of the hydraulic cylinder 4 extends into the mixing box 2 and is fixedly connected to a push plate 41; and

[0030] The heat-conducting oil jacket 5 is fixedly installed at the bottom of the installation cavity of the mixing box 2, a stirring component is installed inside the heat-conducting oil jacket 5, a heat-conducting oil cavity 52 is provided inside the jacket wall of the heat-conducting oil jacket 5, a heating element is fixedly installed inside the heat-conducting oil cavity 52, and discharge ports 56 are provided at the bottom of the heat-conducting oil jacket 5 and the mixing box 2, and a second sealing cover 8 is sealed between the insides of the two discharge ports 56. By heating the heat-conducting shaft 54 ​​and cooperating with the heat-conducting oil jacket 5 to perform internal and external heating and mixing simultaneously, the uniformity of heating of the material can be further increased, the material mixing efficiency can be improved, and the continuous, high-temperature, constant temperature control of the mixing temperature can be facilitated to improve the quality of mixing.

[0031] The stirring component includes two groups of bearings 53 fixedly mounted at both ends of the heat-conducting oil jacket 5, each group of bearings 53 is provided with two bearings, a heat-conducting shaft 54 ​​is fixedly mounted in the inner ring of the two bearings 53, and a four-impeller stirring blade 55 is fixedly mounted on the heat-conducting shaft 54, and the two four-impeller stirring blades 55 are symmetrically arranged; one end of the two heat-conducting shafts 54 are respectively fixedly connected with connecting rods 6, one of the connecting rods 6 is fixedly mounted with a main pulley 61, and the other connecting rod 6 is fixedly mounted with a slave pulley 62, and the slave pulley 62 is connected to the main pulley 61 through a belt 63. A driving motor 7 is fixedly connected to the base 1 through a support plate 12, and the output shaft of the driving motor 7 is fixedly connected to one end of one of the connecting rods 6 through a coupling. The two heat-conducting shafts 54 are driven to rotate simultaneously by the driving motor 7. During the rotation of the two heat-conducting shafts 54, the four-impeller stirring blades 55 can increase the contact area with the material, thereby improving the effect of banburying and mixing. The bearings 53 are sealed bearings, which increase the air tightness during the banburying process and improve the stability of the installation of the heat-conducting shafts 54.

[0032] Among them, the interior of the heat transfer oil jacket 5 is narrow at the top and wide at the bottom, the upper part is the feed channel 51, and the lower part is the mixing chamber. The heat transfer shaft 54 ​​is arranged inside the mixing chamber. The mixing chamber is an arc structure used in conjunction with the four-impeller stirring blades 55 to increase the mixing effect.

[0033] Among them, the heating element is an electric heating wire 57, which is installed throughout the entire thermal oil chamber 52. The electric heating wire 57 can heat the thermal oil inside the thermal oil chamber 52. The installation of the electric heating wire 57 can improve the heating speed and uniformity of the thermal oil inside the thermal oil chamber 52.

[0034] The heat transfer oil jacket 5 is a copper structure, which increases the heating effect of the heat transfer oil jacket and improves the mixing efficiency.

[0035] A temperature sensor 10 is fixedly installed inside the heat transfer oil chamber 52;

[0036] The invention also includes a controller 9, which is fixedly mounted on the base 1 and has a display screen. The controller 9 is electrically connected to the hydraulic cylinder 4, the electric heating wire 57, the drive motor 7 and the temperature sensor 10. The controller 9 is a single chip microcomputer or a PLC. The model of the single chip microcomputer is STC89C51, and the model of the PLC is 6ES72350KD220XA8. The temperature of the heat transfer oil in the heat transfer oil chamber 52 is detected in real time by the temperature sensor 10, and displayed on the display screen. The output of the electric heating wire 57 is controlled by the controller 9, so as to achieve continuous, high-temperature and constant temperature control of the banburying temperature and improve the quality of banburying.

[0037] Among them, the second sealing cover 8 is inserted into the inside of the two discharge ports 56, and the plug-in end of the second sealing cover 8 is flush with the bottom of the heat transfer oil jacket 5. The second sealing cover 8 is fixedly connected to the bottom of the mixing box 2 by bolts 81. The second sealing cover 8 can seal the discharge port 56, and the bolts 81 are used to facilitate disassembly and unloading.

[0038] Among them, the interior of the heat-conducting shaft 54 ​​is also provided with a heat-conducting oil chamber 52, an electric heating wire 57 and a temperature sensor 10, which are electrically connected to the controller 9 respectively. By heating the heat-conducting shaft 54 ​​and cooperating with the hot oil jacket 5 to perform internal and external heating and kneading simultaneously, the uniformity of material heating can be further increased and the material mixing efficiency can be improved.

[0039] As is well known to those skilled in the art, the working principles and wiring methods of the controller 9, hydraulic cylinder 4, electric heating wire 57, drive motor 7 and temperature sensor 10 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can select their models arbitrarily according to their needs or convenience.

[0040] Working principle: When in use, the material is poured from the feed pipe 3 into the interior of the mixing box 2, and enters the mixing chamber of the heat-conducting oil jacket 5 through the discharge channel 21. By starting the drive motor 7, the two heat-conducting shafts 54 can be driven to rotate simultaneously. During the rotation of the two heat-conducting shafts 54, the four-impeller stirring blades 55 can effectively mix and stir the material. The hydraulic cylinder 4 drives the push plate 41 to push down, which can effectively press the material downward to increase the mixing effect.

[0041] During the internal kneading process, the electric heating wire 57 can heat the heat-conducting oil inside the heat-conducting oil chamber 52. The temperature sensor 10 monitors the temperature of the heat-conducting oil inside the heat-conducting oil chamber 52 in real time and displays it on the display screen. The output of the electric heating wire 57 is controlled by the controller 9. By heating the heat-conducting shaft 54 ​​and cooperating with the heat-conducting oil jacket 5 to perform internal and external heating and internal kneading at the same time, the uniformity of heating of the material can be further increased, the material mixing efficiency can be improved, and the continuous, high-temperature, constant temperature control of the internal kneading temperature can be facilitated to improve the quality of the internal kneading.

[0042] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A constant temperature oil bath mixing device, characterized in that: include: Base (1); An internal mixing box (2) is fixedly mounted on the top of the base (1) via supporting legs (11), wherein a material discharge channel (21) is provided at the top of the internal mixing box (2) and an installation cavity is provided at the bottom; A feed pipe (3) fixedly connected to one side of the upper portion of the internal mixing box (2), wherein a first sealing cover (31) is threadedly mounted on the feed pipe (3); A hydraulic cylinder (4) is fixedly mounted on the top of the mixing box (2), wherein the telescopic end of the hydraulic cylinder (4) extends into the interior of the mixing box (2) and is fixedly connected to a push plate (41); and A heat transfer oil jacket (5) is fixedly mounted at the bottom of the mounting cavity of the internal mixing box (2), a stirring component is installed inside the heat transfer oil jacket (5), a heat transfer oil cavity (52) is provided inside the jacket wall of the heat transfer oil jacket (5), a heating element is fixedly installed inside the heat transfer oil cavity (52), a discharge port (56) is provided at the bottom of the heat transfer oil jacket (5) and the internal mixing box (2), and a second sealing cover (8) is sealed between the insides of the two discharge ports (56).

2. A constant temperature oil bath mixing device according to claim 1, characterized in that: The stirring component comprises two groups of bearings (53) fixedly mounted on both ends of the heat-conducting oil jacket (5), each group of the bearings (53) being provided with two bearings, a heat-conducting shaft (54) being fixedly mounted in the inner rings of the two bearings (53), and four-impeller stirring blades (55) being fixedly mounted on the heat-conducting shaft (54), and the two four-impeller stirring blades (55) being symmetrically arranged; One end of the two heat-conducting shafts (54) is respectively fixedly connected to a connecting rod (6), one of the connecting rods (6) is fixedly mounted with a main pulley (61), and the other connecting rod (6) is fixedly mounted with a slave pulley (62), the slave pulley (62) is transmission-connected to the main pulley (61) via a belt (63), the base (1) is fixedly connected to a driving motor (7) via a supporting plate (12), and the output shaft of the driving motor (7) is fixedly connected to one end of one of the connecting rods (6) via a coupling.

3. A constant temperature oil bath mixing device according to claim 2, characterized in that: The interior of the heat-conducting oil jacket (5) is narrow at the top and wide at the bottom, the upper part is a feed channel (51), the lower part is a mixing chamber, and the heat-conducting shaft (54) is arranged inside the mixing chamber.

4. A constant temperature oil bath mixing device according to claim 2, characterized in that: The heating element is an electric heating wire (57), and the electric heating wire (57) is installed throughout the entire heat-conducting oil chamber (52).

5. A constant temperature oil bath mixing device according to claim 4, characterized in that: The heat-conducting oil jacket (5) is a copper structure.

6. A constant temperature oil bath mixing device according to claim 4, characterized in that: A temperature sensor (10) is fixedly installed inside the heat-conducting oil chamber (52); It also includes a controller (9), which is fixedly mounted on the base (1), and has a display screen. The controller (9) is electrically connected to the hydraulic cylinder (4), the electric heating wire (57), the drive motor (7) and the temperature sensor (10).

7. A constant temperature oil bath mixing device according to any one of claims 1 to 6, characterized in that: The second sealing cover (8) is inserted into the inside of the two discharge ports (56), and the insertion end of the second sealing cover (8) is flush with the bottom of the heat transfer oil jacket (5), and the second sealing cover (8) is fixedly connected to the bottom of the mixing box (2) by bolts (81).

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