Kneading machine with shaft end sealing structure

Abstract

The utility model discloses a kneading machine with a shaft end sealing structure, and relates to the technical field of kneading machines. The utility model includes a kneading machine and a sealing assembly, wherein the inner wall of the kneading machine is rotatably connected with a stirring rod, the outer surface of the sealing assembly contacts with a static sealing ring, the outer surface of the stirring rod is rotatably connected with the inner wall of the static sealing ring, the right side of the static sealing ring contacts with a swivel one and a swivel two respectively, the right side of the static sealing ring is rotatably connected with the left side of the swivel one and the left side of the swivel two respectively, and the outer surface of the static sealing ring is fixedly connected with a limiting block three. The utility model sets a sealing assembly, specifically to prevent the material from leaking out due to a gap in the part where the stirring rod passes through the kneading machine, and solves the problem by filling a static sealing ring in the gap, and further compresses the static sealing ring by the compressed swivel two and swivel one to improve the sealing effect. This design has good sealing performance, and the reliability of the sealing structure is high, and there will be no oil seal leakage.

Description

Technical Field

[0001] The utility model belongs to the technical field of kneading machines, in particular to a kneading machine with a shaft end sealing structure. Background Art

[0002] Kneading machine is an ideal equipment for kneading, mixing, vulcanizing and polymerizing high viscosity, elastic and plastic materials. Kneading machine can be used to produce silicone rubber, sealant, hot melt adhesive, food glue base, pharmaceutical preparations, etc. Kneading machine is a special mixing and stirring equipment. The most commonly used is to use two Σ blades, arranged in a side-by-side tangent differential speed type, that is, one stirring blade has a fast speed and the other stirring blade has a slow speed, so as to generate shear force. Different blade speeds enable the mixed materials to be sheared quickly, so that the materials can be mixed evenly.

[0003] In order to prevent the stirred material from flowing out of the shaft end during the operation of the kneading machine, most of the existing devices only use bearing oil seals for sealing. However, this sealing method has high requirements on installation and materials, is prone to leakage, has poor sealing performance, and is difficult to meet the sealing requirements. Therefore, we propose a kneading machine with a shaft end sealing structure. Utility Model Content

[0004] The purpose of the utility model is to provide a kneading machine with a shaft end sealing structure. By setting a sealing component, the sealing performance is better and the reliability of the sealing structure is higher, and there will be no leakage such as oil seal. This solves the problem that the existing sealing method has high requirements on installation and materials, is prone to leakage, has poor sealing performance, and is difficult to meet sealing requirements.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a kneading machine with a shaft end sealing structure, comprising a kneading machine and a sealing assembly, wherein the inner wall of the kneading machine is rotatably connected with a stirring rod, the outer surface of the sealing assembly contacts a static sealing ring, the outer surface of the stirring rod is rotatably connected with the inner wall of the static sealing ring, the right side of the static sealing ring contacts a rotating ring 1 and a rotating ring 2 respectively, and the right side of the static sealing ring is rotatably connected with the left side of the rotating ring 1 and the left side of the rotating ring 2 respectively;

[0007] The outer surface of the static sealing ring is fixedly connected with a limit block three, the outer surface of the static sealing ring contacts the inner wall of the kneading machine, the outer surface of the static sealing ring is slidably connected to the inner wall of the kneading machine, the outer surface of the limit block three contacts the inner wall of the kneading machine, the outer surface of the limit block three is slidably connected to the inner wall of the kneading machine, a fixed ring is fixedly connected to the right side of the kneading machine, the outer surface of the static sealing ring is rotatably connected to the inner wall of the fixed ring, and the outer surface of the swivel ring two is rotatably connected to the inner wall of the fixed ring. This design has better sealing performance and higher reliability of the sealing structure, and there will be no oil seal leakage.

[0008] Furthermore, a slot is provided on the inner wall of the second swivel, and the outer surface of the first swivel is fixedly connected to a limiting block. The outer surface of the limiting block is slidably connected to the inner wall of the slot. Through the cooperation of the slot and the limiting block, the first swivel can drive the second swivel to rotate when it rotates, and the disassembly of the second swivel is not affected.

[0009] Furthermore, the outer surface of the swivel one is slidably connected to the inner wall of the swivel two, the outer surface of the stirring rod is provided with a sliding groove, and the inner wall of the swivel one is fixedly connected to the limiting block two. Through the cooperation of the sliding groove and the limiting block two, the stirring rod can drive the swivel one to rotate without affecting the disassembly of the swivel one.

[0010] Furthermore, the outer surface of the second limit block is slidably connected to the inner wall of the slide groove, there is a certain gap between the inner wall of the swivel one and the outer surface of the stirring rod, the outer surface of the swivel one is sleeved with a spring two, and the gap height between the swivel one and the stirring rod is greater than the thread height set on the outer surface of the stirring rod, so as to facilitate the disassembly of the swivel one.

[0011] Furthermore, a spring 1 is sleeved on the outer surface of the stirring rod, and a clamping ring is threadedly connected to the outer surface of the stirring rod. The outer surface of the clamping ring is rotatably connected to the inner wall of the fixed ring. By arranging spring 1 and spring 2, swivel ring 1 and swivel ring 2 can be respectively pressed against the static sealing ring to improve the sealing performance.

[0012] Furthermore, the second spring is arranged between the second rotating ring and the clamping ring, the first spring is arranged between the first rotating ring and the clamping ring, the outer surface of the fixing ring is fixedly connected with a fixing seat, the inner wall of the fixing seat is threadedly connected with a fixing bolt, and the outer surface of the fixing bolt is threadedly connected to the inner wall of the kneading machine. This design can replace the worn structure to increase the service life of the device, and the operation is simple and convenient.

[0013] Furthermore, a support leg is fixedly connected to the bottom of the kneading machine, a motor is fixedly connected to the left side of the support leg, a support frame is fixedly connected to the outer surface of the motor, the top of the support frame is fixedly connected to the bottom of the kneading machine, a rotating shaft is fixedly connected to the output end of the motor, a belt is provided on the outer surface of the rotating shaft, the rotating shaft is connected to the stirring rod through a belt drive, and the two motors have different rotation speeds and opposite rotation directions, so as to generate better shear force.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model sets a sealing component, specifically to prevent the material from leaking out due to the gap in the part where the stirring rod passes through the kneading machine. The problem is solved by filling a static sealing ring in the gap, and the static sealing ring is compressed by the compressed swivel ring 2 and swivel ring 1 to improve the sealing effect. This design has good sealing performance and high reliability of the sealing structure, and there will be no oil seal leakage.

[0016] 2. The utility model sets a clamping ring, specifically, rotates the clamping ring to move it to the right, and takes it out, screws the fixing bolt to take it out of the kneading machine, and then takes out the fixing ring. Finally, the spring one, the swivel one, the spring two, the swivel two and the static sealing ring can be taken out in sequence. After replacing the new static sealing ring, the swivel two and the swivel one, the above operation is repeated in reverse to complete the installation. This design can replace the structure that will be worn out to increase the service life of the device, and the operation is simple and convenient.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for describing the embodiment will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the left side structure of the utility model kneading machine;

[0021] Figure 3 This is a schematic diagram of the overall structure of the sealing component of the utility model;

[0022] Figure 4 This is a front cross-sectional structural diagram of the fixing ring of the utility model;

[0023] Figure 5 This is a schematic diagram of the three-dimensional exploded structure of the sealing component of the utility model.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. kneading machine; 11. supporting leg; 12. supporting frame; 121. motor; 211. rotating shaft; 212. belt; 213. stirring rod; 13. sealing assembly; 131. fixing ring; 311. fixing seat; 312. fixing bolt; 132. clamping ring; 133. swivel one; 331. limit block one; 332. limit block two; 333. slide; 334. spring one; 134. swivel two; 341. slot; 342. spring two; 135. static sealing ring; 351. limit block three. DETAILED DESCRIPTION

[0026] 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 them. 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.

[0027] See also Figure 1-5 As shown, the utility model is a kneading machine with a shaft end sealing structure, comprising a kneading machine 1 and a sealing assembly 13, wherein the inner wall of the kneading machine 1 is rotatably connected with a stirring rod 213, the outer surface of the sealing assembly 13 contacts a static sealing ring 135, the outer surface of the stirring rod 213 is rotatably connected with the inner wall of the static sealing ring 135, the right side of the static sealing ring 135 contacts a rotating ring 133 and a rotating ring 2 134 respectively, and the right side of the static sealing ring 135 is rotatably connected with the left side of the rotating ring 133 and the left side of the rotating ring 2 134 respectively;

[0028] The outer surface of the static sealing ring 135 is fixedly connected to the limiting block three 351, the outer surface of the static sealing ring 135 contacts the inner wall of the kneading machine 1, the outer surface of the static sealing ring 135 is slidably connected to the inner wall of the kneading machine 1, the outer surface of the limiting block three 351 contacts the inner wall of the kneading machine 1, the outer surface of the limiting block three 351 is slidably connected to the inner wall of the kneading machine 1, and the right side of the kneading machine 1 is fixedly connected with a fixing ring 131, the outer surface of the static sealing ring 135 is rotatably connected to the inner wall of the fixing ring 131, and the outer surface of the swivel two 134 is rotatably connected to the inner wall of the fixing ring 131. By setting the sealing assembly 13, specifically to prevent the part of the stirring rod 213 passing through the kneading machine 1 from leaking materials due to the gap, the static sealing ring 135 is filled in the gap to solve the problem, and the static sealing ring 135 is compressed by the compressed swivel two 134 and swivel one 133 to improve the sealing effect. This design has good sealing performance and high reliability of the sealing structure, and there will be no oil seal leakage.

[0029] A slot 341 is formed on the inner wall of the second swivel 134 , and a limiting block 331 is fixedly connected to the outer surface of the first swivel 133 . The outer surface of the limiting block 331 is slidably connected to the inner wall of the slot 341 .

[0030] The outer surface of the first rotating ring 133 is slidably connected to the inner wall of the second rotating ring 134 , a sliding groove 333 is provided on the outer surface of the stirring rod 213 , and the inner wall of the first rotating ring 133 is fixedly connected to the second limiting block 332 .

[0031] The outer surface of the second limit block 332 is slidably connected to the inner wall of the slide groove 333. There is a certain gap between the inner wall of the first rotating ring 133 and the outer surface of the stirring rod 213. The outer surface of the first rotating ring 133 is sleeved with a second spring 342.

[0032] A spring 334 is sleeved on the outer surface of the stirring rod 213 , and a clamping ring 132 is threadedly connected to the outer surface of the stirring rod 213 . The outer surface of the clamping ring 132 is rotatably connected to the inner wall of the fixing ring 131 .

[0033] The second spring 342 is arranged between the second swivel 134 and the clamping ring 132, and the first spring 334 is arranged between the first swivel 133 and the clamping ring 132. The outer surface of the fixing ring 131 is fixedly connected with a fixing seat 311, and the inner wall of the fixing seat 311 is threadedly connected with a fixing bolt 312. The outer surface of the fixing bolt 312 is threadedly connected with the inner wall of the kneading machine 1. By setting the clamping ring 132, specifically, rotating the clamping ring 132 to move it to the right side and take it out, screwing the fixing bolt 312 to take it out of the kneading machine 1, and then taking out the fixing ring 131, finally, the first spring 334, the first swivel 133, the second spring 342, the second swivel 134 and the static sealing ring 135 can be taken out in turn. After replacing the new static sealing ring 135, the second swivel 134 and the first swivel 133, repeat the above operation in reverse to complete the installation. This design can replace the structure that will wear out to increase the service life of the device, and the operation is simple and convenient.

[0034] A support leg 11 is fixedly connected to the bottom of the kneading machine 1, a motor 121 is fixedly connected to the left side of the support leg 11, a support frame 12 is fixedly connected to the outer surface of the motor 121, the top of the support frame 12 is fixedly connected to the bottom of the kneading machine 1, a rotating shaft 211 is fixedly connected to the output end of the motor 121, a belt 212 is provided on the outer surface of the rotating shaft 211, and the rotating shaft 211 is connected to the stirring rod 213 through the belt 212.

[0035] A specific application of this embodiment is:

[0036] When using the device, the kneaded material is put into the kneading machine 1, and the two motors 121 are started to drive the rotating shaft 211 to rotate. The rotating shaft 211 drives the two stirring rods 213 to rotate through the belt 212, and then the put-in material is stirred and kneaded. It should be noted that the two motors 121 have different rotation speeds and opposite rotation directions, so as to generate better shear force. In order to prevent the stirring rod 213 from passing through the kneading machine 1 and causing the material to leak out due to the gap, a static sealing ring 135 is filled in the gap to solve the problem, and the static sealing ring 135 is compressed by the compressed rotating ring 2 134 and the rotating ring 1 133 to improve the sealing effect. This design has better sealing performance and higher reliability of the sealing structure, and there will be no leakage of oil seals. During rotation, only the static sealing ring 135 remains stationary, so only the static sealing ring 135, the second swivel ring 134 and the first swivel ring 133 will wear. When used for a long time, it is only necessary to regularly replace the above-mentioned structures that will wear. The specific operation is to rotate the clamping ring 132 to move it to the right and take it out, screw the fixing bolt 312 to take it out of the kneading machine 1, and then take out the fixing ring 131. Finally, the spring 1 334, the first swivel ring 133, the second spring 342, the second swivel ring 134 and the static sealing ring 135 can be taken out in turn. After replacing the new static sealing ring 135, the second swivel ring 134 and the first swivel ring 133, repeat the above operation in reverse to complete the installation. This design can replace the structure that will wear, so as to increase the service life of the device, and the operation is simple and convenient.

[0037] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A kneading machine with a shaft end sealing structure, comprising a kneading machine (1) and a sealing assembly (13), wherein the inner wall of the kneading machine (1) is rotatably connected to a stirring rod (213), characterized in that: The outer surface of the sealing assembly (13) is in contact with a static sealing ring (135), the outer surface of the stirring rod (213) is rotatably connected to the inner wall of the static sealing ring (135), the right side of the static sealing ring (135) is in contact with a rotating ring 1 (133) and a rotating ring 2 (134), and the right side of the static sealing ring (135) is rotatably connected to the left side of the rotating ring 1 (133) and the left side of the rotating ring 2 (134); The outer surface of the static sealing ring (135) is fixedly connected to the limiting block three (351), the outer surface of the static sealing ring (135) contacts the inner wall of the kneading machine (1), the outer surface of the static sealing ring (135) is slidably connected to the inner wall of the kneading machine (1), the outer surface of the limiting block three (351) contacts the inner wall of the kneading machine (1), the outer surface of the limiting block three (351) is slidably connected to the inner wall of the kneading machine (1), the right side of the kneading machine (1) is fixedly connected to a fixed ring (131), the outer surface of the static sealing ring (135) is rotatably connected to the inner wall of the fixed ring (131), and the outer surface of the rotating ring two (134) is rotatably connected to the inner wall of the fixed ring (131).

2. A kneading machine with a shaft end sealing structure according to claim 1, characterized in that: The inner wall of the second rotating ring (134) is provided with a slot (341), the outer surface of the first rotating ring (133) is fixedly connected to the first limiting block (331), and the outer surface of the first limiting block (331) is slidably connected to the inner wall of the slot (341).

3. A kneading machine with a shaft end sealing structure according to claim 2, characterized in that: The outer surface of the rotating ring 1 (133) is slidably connected to the inner wall of the rotating ring 2 (134), a sliding groove (333) is provided on the outer surface of the stirring rod (213), and the inner wall of the rotating ring 1 (133) is fixedly connected to the limiting block 2 (332).

4. A kneading machine with a shaft end sealing structure according to claim 3, characterized in that: The outer surface of the second limit block (332) is slidably connected to the inner wall of the slide groove (333), a certain gap is provided between the inner wall of the first rotating ring (133) and the outer surface of the stirring rod (213), and the outer surface of the first rotating ring (133) is sleeved with a second spring (342).

5. The kneading machine with a shaft end sealing structure according to claim 4, characterized in that: The outer surface of the stirring rod (213) is sleeved with a spring 1 (334), the outer surface of the stirring rod (213) is threadedly connected with a clamping ring (132), and the outer surface of the clamping ring (132) is rotatably connected to the inner wall of the fixing ring (131).

6. The kneading machine with a shaft end sealing structure according to claim 5, characterized in that: The second spring (342) is arranged between the second rotating ring (134) and the clamping ring (132), the first spring (334) is arranged between the first rotating ring (133) and the clamping ring (132), the outer surface of the fixing ring (131) is fixedly connected to a fixing seat (311), the inner wall of the fixing seat (311) is threadedly connected to a fixing bolt (312), and the outer surface of the fixing bolt (312) is threadedly connected to the inner wall of the kneading machine (1).

7. The kneading machine with a shaft end sealing structure according to claim 1, characterized in that: The bottom of the kneading machine (1) is fixedly connected to a support leg (11), the left side of the support leg (11) is fixedly connected to a motor (121), the outer surface of the motor (121) is fixedly connected to a support frame (12), the top of the support frame (12) is fixedly connected to the bottom of the kneading machine (1), the output end of the motor (121) is fixedly connected to a rotating shaft (211), the outer surface of the rotating shaft (211) is provided with a belt (212), and the rotating shaft (211) is connected to a stirring rod (213) through the belt (212).

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