Sealing device of internal mixer

Abstract

The utility model relates to the technical field of internal mixers, and discloses an internal mixer sealing device which comprises a main body mechanism and a cooling mechanism, the cooling mechanism is located in the main body mechanism, the main body mechanism comprises a locking sleeve, a screw hole and a tightening bolt, the screw hole is fixedly formed in the left end of the locking sleeve, and the tightening bolt is arranged in the screw hole. And the tightening bolts are movably connected to the interiors of the screw holes. According to the internal mixer sealing device, in the using process of the internal mixer sealing device, by improving a main body mechanism, a spring presses a wear-resisting ring, a copper sleeve is jacked into an alloy sleeve through the wear-resisting ring, the alloy sleeve and a rotor are sealed, and by arranging a tightening bolt, the pressure of the spring can be freely adjusted by rotating the tightening bolt; through the arrangement of the oil inlet nozzle, lubricating oil can flow into the copper sleeve to lubricate the copper sleeve, meanwhile, when materials flow out, the materials can be mixed with the lubricating oil to form sticky objects, so that the materials are prevented from flowing out, the sealing device is simple in structure, convenient to use and good in sealing effect, and the practicability of the sealing device for the internal mixer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of internal mixers, in particular to a sealing device for internal mixers. Background Art

[0002] Internal mixer, also known as kneading mill, is mainly used for plasticating and mixing rubber. It is a mechanical equipment equipped with a pair of rotors of specific shape that rotate relatively, and intermittently plasticates and mixes polymer materials under a closed state with adjustable temperature and pressure. It is mainly composed of a mixing chamber, a rotor, a rotor end face sealing device, a feeding and pressing device, a unloading device, a transmission device and a machine base. The mixing chamber, the rotor and the rotor end face sealing device are in contact and cooperation with each other, and they are the most important factors affecting the mixing quality.

[0003] However, due to the poor sealing effect of some existing patented technologies when the internal mixer is used, it is easy to cause the material to flow out from the gap, thereby reducing the use effect of the internal mixer. Utility Model Content

[0004] The utility model aims to provide a sealing device for an internal mixer, so as to solve the problem in the background art that the sealing effect of the internal mixer is poor, which easily causes materials to flow out from the gaps and reduces the use effect of the internal mixer.

[0005] To achieve the above object, the utility model provides the following technical solution: a sealing device for an internal mixer, comprising a main body mechanism and a cooling mechanism, wherein the cooling mechanism is located inside the main body mechanism, the main body mechanism comprises a locking sleeve, a screw hole and a tightening bolt, wherein the screw hole is fixedly arranged at the left end of the locking sleeve, and the tightening bolt is movably connected inside the screw hole;

[0006] Preferably, the main body mechanism also includes a spring, a wear-resistant ring, a copper sleeve, a flange, an alloy sleeve, an oil inlet nozzle and a fixing assembly, the spring is fixedly mounted on the left end of the tightening bolt, the wear-resistant ring is fixedly mounted on the left end of the spring, the copper sleeve is movably mounted on the left end of the wear-resistant ring, the flange is movably mounted on the left end of the copper sleeve, the alloy sleeve is fixedly mounted on the left end of the flange, the oil inlet nozzle is fixedly mounted on the upper end of the copper sleeve, and the fixing assembly is fixedly mounted on the upper end of the locking sleeve. The pressure of the spring can be adjusted by setting the tightening bolt. During the use of the sealing device of the internal mixer, the main body mechanism is improved so that the spring presses the wear-resistant ring, and the copper sleeve is pushed into the alloy sleeve through the wear-resistant ring to seal the alloy sleeve and the rotor. The pressure of the spring can be freely adjusted by rotating the tightening bolt through the setting of the tightening bolt. The lubricating oil can flow into the copper sleeve through the setting of the oil inlet nozzle to lubricate it. At the same time, when material flows out, the material will be mixed with the lubricating oil into a viscous object, thereby preventing the material from flowing out. The structure is simple, the use is convenient, and the sealing effect is good.

[0007] Preferably, the fixing assembly comprises a fixing hole, a gasket and a fixing bolt, and the fixing hole is fixedly arranged on the upper end of the locking sleeve.

[0008] Preferably, the gasket is movably connected to the upper end of the fixing hole, and the fixing bolt is movably connected to the upper end of the gasket. Through the mutual connection between the fixing hole, the gasket and the fixing bolt, the locking sleeve can be firmly fixed on the end face of the rotor output end, thereby completing the installation of the sealing device.

[0009] Preferably, the cooling mechanism comprises a coolant circulation pipe, a liquid inlet nozzle, a first threaded connection pipe, a liquid outlet nozzle and a second threaded connection pipe, and the coolant circulation pipe is fixedly installed inside the flange.

[0010] Preferably, the liquid inlet nozzle is fixedly installed on the liquid inlet end of the coolant circulation pipe, and the threaded connecting pipe 1 is fixedly installed on the upper end of the liquid inlet nozzle. Through the arrangement of the threaded connecting pipe 1 and the threaded connecting pipe 2, the liquid inlet nozzle and the liquid outlet nozzle can be connected to the coolant storage tank. When in use, the coolant can enter the coolant circulation pipe from the liquid inlet nozzle, and then flow out through the liquid outlet nozzle, thereby taking away the heat generated during operation, avoiding excessive temperature affecting the sealing effect and reducing the service life.

[0011] Preferably, the liquid outlet nozzle is fixedly installed at the liquid outlet end of the coolant circulation pipe, and the second threaded connecting pipe is fixedly installed at the upper end of the liquid outlet nozzle.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The sealing device for the internal mixer is installed to realize that during the use of the sealing device for the internal mixer, the wear-resistant ring is pressed by the spring, and the copper sleeve is pushed into the alloy sleeve through the wear-resistant ring to seal the alloy sleeve and the rotor. The pressure of the spring can be freely adjusted by turning the tightening bolt, and the lubricating oil can flow into the copper sleeve to lubricate it through the setting of the oil inlet nozzle. At the same time, when material flows out, the material will be mixed with the lubricating oil into a viscous object, thereby preventing the material from flowing out. The structure is simple, the use is convenient, the sealing effect is good, and the practicality of the sealing device for the internal mixer is improved;

[0014] 2. The sealing device of the internal mixer realizes the setting of the threaded connecting pipe 1 and the threaded connecting pipe 2 by installing the cooling mechanism, and the liquid inlet nozzle and the liquid outlet nozzle can be connected to the coolant storage tank. When in use, the coolant can enter the coolant circulation pipe from the liquid inlet nozzle, and then flow out through the liquid outlet nozzle, so as to take away the heat generated during operation, avoid excessive temperature affecting the sealing effect and reducing the service life, and improve the use effect of the sealing device of the internal mixer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the exploded structure of the main mechanism of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the cooling mechanism of the utility model;

[0018] Figure 4 It is a partially enlarged structural schematic diagram of the cooling mechanism of the utility model.

[0019] In the figure: 1. Main body; 101. Locking sleeve; 102. Screw hole; 103. Tightening bolt; 104. Spring; 105. Wear-resistant ring; 106. Copper sleeve; 107. Flange; 108. Alloy sleeve; 109. Oil inlet nozzle; 110. Fixing assembly; 1101. Fixing hole; 1102. Gasket; 1103. Fixing bolt; 2. Cooling mechanism; 201. Coolant circulation pipe; 202. Liquid inlet nozzle; 203. Threaded connecting pipe 1; 204. Liquid outlet nozzle; 205. Threaded connecting pipe 2. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4 The utility model provides a technical solution: an internal mixer sealing device, including a main body mechanism 1 and a cooling mechanism 2, the cooling mechanism 2 is located inside the main body mechanism 1, the main body mechanism 1 includes a locking sleeve 101, a screw hole 102 and a tightening bolt 103, the screw hole 102 is fixedly arranged at the left end of the locking sleeve 101, and the tightening bolt 103 is movably connected inside the screw hole 102.

[0022] The main mechanism 1 also includes a spring 104, a wear-resistant ring 105, a copper sleeve 106, a flange 107, an alloy sleeve 108, an oil inlet nozzle 109 and a fixing assembly 110. The spring 104 is fixedly mounted on the left end of the tightening bolt 103, the wear-resistant ring 105 is fixedly mounted on the left end of the spring 104, the copper sleeve 106 is movably mounted on the left end of the wear-resistant ring 105, the flange 107 is movably mounted on the left end of the copper sleeve 106, the alloy sleeve 108 is fixedly mounted on the left end of the flange 107, the oil inlet nozzle 109 is fixedly mounted on the upper end of the copper sleeve 106, the fixing assembly 110 is fixedly arranged on the upper end of the locking sleeve 101, and the fixing assembly 110 includes a fixing hole 1101, a gasket 1102 and a fixing bolt 1103, and the fixing hole 1101 is fixedly arranged on the locking sleeve 101 The upper end of the gasket 1102 is movably connected to the upper end of the fixing hole 1101, and the fixing bolt 1103 is movably connected to the upper end of the gasket 1102. Before use, the locking sleeve 101 is fixed to the end face of the rotor output end through the connection between the fixing hole 1101, the gasket 1102 and the fixing bolt 1103, thereby completing the installation of the sealing device, and then the spring 104 presses the wear-resistant ring 105 by turning the tightening bolt 103, and the copper sleeve 106 is pushed into the alloy sleeve 108 through the wear-resistant ring 105, so that the alloy sleeve 108 and the rotor are sealed, and then lubricating oil is added to the copper sleeve 106 through the oil inlet nozzle 109 to lubricate it. At the same time, when material flows out, the material will be mixed with the lubricating oil into a viscous liquid, thereby preventing the material from flowing out.

[0023] The cooling mechanism 2 includes a coolant circulation pipe 201, a liquid inlet nozzle 202, a threaded connecting pipe 1 203, a liquid outlet nozzle 204 and a threaded connecting pipe 2 205. The coolant circulation pipe 201 is fixedly installed inside the flange 107, the liquid inlet nozzle 202 is fixedly installed at the liquid inlet end of the coolant circulation pipe 201, the threaded connecting pipe 1 203 is fixedly installed at the upper end of the liquid inlet nozzle 202, the liquid outlet nozzle 204 is fixedly installed at the liquid outlet end of the coolant circulation pipe 201, and the threaded connecting pipe 205 is fixedly installed at the upper end of the liquid outlet nozzle 204. Through the arrangement of the threaded connecting pipe 1 203 and the threaded connecting pipe 205, the liquid inlet nozzle 202 and the liquid outlet nozzle 204 can be connected to the coolant storage tank. When in use, the coolant can enter the coolant circulation pipe 201 from the liquid inlet nozzle 202, and then flow out through the liquid outlet nozzle 204, thereby taking away the heat generated during operation.

[0024] Working principle: Before use, the locking sleeve 101 is fixed on the end face of the rotor output end through the connection between the fixing hole 1101, the gasket 1102 and the fixing bolt 1103, thereby completing the installation of the sealing device, and then the spring 104 presses the wear-resistant ring 105 by turning the tightening bolt 103, and the copper sleeve 106 is pushed into the alloy sleeve 108 through the wear-resistant ring 105, so that the alloy sleeve 108 and the rotor are sealed, and then lubricating oil is added to the copper sleeve 106 through the oil inlet nozzle 109 to lubricate it. At the same time, when material flows out, the material will be mixed with the lubricating oil to form a viscous object, thereby preventing the material from flowing out. Through the arrangement of the threaded connecting pipe 1 203 and the threaded connecting pipe 2 205, the liquid inlet nozzle 202 and the liquid outlet nozzle 204 can be connected to the coolant storage tank. When in use, the coolant can enter the coolant circulation pipe 201 from the liquid inlet nozzle 202, and then flow out through the liquid outlet nozzle 204, thereby taking away the heat generated during operation.

[0025] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A sealing device for an internal mixer, comprising a main body mechanism (1) and a cooling mechanism (2), characterized in that: The cooling mechanism (2) is located inside the main mechanism (1); the main mechanism (1) comprises a locking sleeve (101), a screw hole (102) and a tightening bolt (103); the screw hole (102) is fixedly arranged at the left end of the locking sleeve (101); and the tightening bolt (103) is movably connected inside the screw hole (102); The main body mechanism (1) further comprises a spring (104), a wear-resistant ring (105), a copper sleeve (106), a flange (107), an alloy sleeve (108), an oil inlet nozzle (109) and a fixing assembly (110); the spring (104) is fixedly mounted on the left end of the tightening bolt (103); the wear-resistant ring (105) is fixedly mounted on the left end of the spring (104); the copper sleeve (106) is movably mounted on the left end of the wear-resistant ring (105); the flange (107) is movably mounted on the left end of the copper sleeve (106); the alloy sleeve (108) is fixedly mounted on the left end of the flange (107); the oil inlet nozzle (109) is fixedly mounted on the upper end of the copper sleeve (106); and the fixing assembly (110) is fixedly arranged on the upper end of the locking sleeve (101).

2. The sealing device for internal mixer according to claim 1, characterized in that: The fixing assembly (110) comprises a fixing hole (1101), a gasket (1102) and a fixing bolt (1103); the fixing hole (1101) is fixedly arranged at the upper end of the locking sleeve (101).

3. The sealing device for internal mixer according to claim 2, characterized in that: The gasket (1102) is movably connected to the upper end of the fixing hole (1101), and the fixing bolt (1103) is movably connected to the upper end of the gasket (1102).

4. The sealing device for internal mixer according to claim 3, characterized in that: The cooling mechanism (2) comprises a cooling liquid circulation pipe (201), a liquid inlet nozzle (202), a first threaded connection pipe (203), a liquid outlet nozzle (204) and a second threaded connection pipe (205); the cooling liquid circulation pipe (201) is fixedly installed inside the flange (107).

5. The sealing device for internal mixer according to claim 4, characterized in that: The liquid inlet nozzle (202) is fixedly mounted on the liquid inlet end of the coolant circulation pipe (201), and the threaded connecting pipe 1 (203) is fixedly mounted on the upper end of the liquid inlet nozzle (202).

6. The sealing device for internal mixer according to claim 5, characterized in that: The liquid outlet nozzle (204) is fixedly mounted on the liquid outlet end of the coolant circulation pipe (201), and the second threaded connecting pipe (205) is fixedly mounted on the upper end of the liquid outlet nozzle (204).

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