CN210740791U - Vacuum type drying machine - Google Patents
Vacuum type drying machine Download PDFInfo
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- CN210740791U CN210740791U CN201921437327.XU CN201921437327U CN210740791U CN 210740791 U CN210740791 U CN 210740791U CN 201921437327 U CN201921437327 U CN 201921437327U CN 210740791 U CN210740791 U CN 210740791U
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- seal receptacle
- mixing
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Abstract
The utility model provides a vacuum type desiccator belongs to vacuum drying equipment technical field. The vacuum dryer solves the problems that the existing vacuum dryer has poor sealing performance and influences the vacuum degree in the dryer and the like. The utility model discloses an organism, the level sets up barrel on the organism, the level is provided with a (mixing) shaft in the barrel, be provided with axle head sealing device between (mixing) shaft and the casing, axle head sealing device includes the seal receptacle, seal receptacle gland and first sealing member, the coaxial setting of seal receptacle and seal receptacle gland is on the (mixing) shaft, the seal receptacle includes connecting portion and sealing, the connecting portion and the seal receptacle gland of seal receptacle are connected, be provided with the shaft hole in the sealing, the size in shaft hole is greater than the size of (mixing) shaft, first sealing member sets up between sealing and (mixing) shaft, first sealing member is the packing. The utility model can avoid the adverse effect caused by the abrasion of the packing; the vacuum degree of the equipment can be ensured, so that the materials are in a low-temperature drying state in the vacuum drier, and the quality of the materials is further ensured.
Description
Technical Field
The utility model belongs to the technical field of vacuum drying equipment, concretely relates to vacuum type desiccator.
Background
In the production process of fish meal, a dryer is often used for drying materials, so that redundant water in the materials is evaporated, and wet unstable substances are converted into dry stable materials. The evaporation temperature of water vapour at atmospheric pressure is typically 100 c, which leads to denaturation of the proteins in the material, and the higher the temperature, the more severe the degree of oxidation. In order to improve the drying efficiency, reduce the energy consumption and improve the quality of products, the vacuum dryer is a very suitable choice. The existing vacuum type drying machine has poor sealing performance and influences the vacuum degree in the machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems existing in the existing vacuum type drying machine and providing a vacuum type drying machine with a shaft end sealing structure and a compact structure, which is convenient to maintain.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a vacuum dryer, it includes that organism, level set up barrel on the organism, and the level is provided with a (mixing) shaft in the barrel, its characterized in that, (mixing) shaft and casing between be provided with axle head sealing device, axle head sealing device include seal receptacle, seal receptacle gland and first sealing member, seal receptacle and the coaxial setting of seal receptacle gland on the (mixing) shaft, the seal receptacle includes connecting portion and sealing, the connecting portion and the seal receptacle gland of seal receptacle are connected, are provided with the shaft hole in the sealing, the size in shaft hole is greater than the size of (mixing) shaft, first sealing member sets up between sealing and (mixing) shaft, first sealing member be the packing.
Preferably, one end of the sealing part, which is far away from the connecting part, is provided with a circle of first inner convex edge, the inner diameter of the first inner convex edge is equivalent to the outer diameter of the stirring shaft, and one end of the connecting part, which is far away from the sealing part, is provided with a circle of first outer convex edge.
Preferably, the shaft end sealing device still include the second sealing member, the seal receptacle gland is cyclic annular, the internal diameter size of seal receptacle gland is greater than the external diameter size of (mixing) shaft, the second sealing member sets up between seal receptacle gland and (mixing) shaft, the both ends of seal receptacle gland be provided with protruding edge in second evagination edge and the second respectively, the connecting portion of seal receptacle include the recess that matches with seal receptacle gland external diameter size, the recess can be gone into to the seal receptacle gland, protruding edge is located the recess in the second, the internal diameter size of protruding edge is equal with the external diameter size of (mixing) shaft in the second, the second evagination edge is located the recess outside with above-mentioned first evagination edge fixed connection.
Preferably, the shaft end sealing device further comprises a tightness control device of the first sealing element, the tightness control device comprises a packing pressing ring and a compression spring, the packing pressing ring is arranged in the groove and located between the sealing portion of the sealing seat gland and the sealing seat and coaxially arranged with the sealing seat gland, one end of the compression spring is connected with the sealing seat gland, the other end of the compression spring is connected with the packing pressing ring, a circle of convex portion is arranged on one end face, away from the compression spring, of the packing pressing ring, and the convex portion abuts against the packing.
Preferably, the number of the compression springs is two, one ends of the two compression springs are respectively connected with the gland of the sealing seat, and the other ends of the two compression springs are connected with the packing pressing ring.
Preferably, the second sealing element is a framework type oil seal which comprises a plurality of frameworks, and each framework comprises an iron shell, a dust discharge lip, a curved part, a spring and a spring hook.
Preferably, the machine body is further provided with a driving mechanism for driving the stirring shaft to rotate, the driving mechanism comprises a gear reduction motor, and the gear reduction motor is connected with the stirring shaft to drive the stirring shaft to rotate.
Compared with the prior art, the utility model is provided with the shaft end sealing device which is formed by combining the packing seal and the framework type oil seal, the packing seal mainly has the function of preventing the materials or the garbage in the cylinder body from entering the framework type oil seal, and the service life of the framework type oil seal is prolonged; in addition, the compression spring in the tightness control device can automatically control the tightness degree of the packing, and adverse effects caused by packing abrasion are avoided. And the framework type oil seal sealing mode can prevent the air leakage and water leakage of the equipment, thereby ensuring the vacuum degree of the equipment, enabling the materials to be in a low-temperature drying state in the vacuum dryer and further ensuring the quality of the materials.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural view of the shaft end sealing device of the present invention;
fig. 4 is an enlarged view of the position a of the present invention.
In the figure, 1, a cylinder; 2. a stirring shaft; 3. a gear reduction motor; 4. a sealing seat; 5. a sealing seat gland; 6. a connecting portion; 7. a sealing part; 8. packing; 9. a first inner convex edge; 10. a first convex edge; 11. a second convex edge; 12. a second inner convex edge; 13. a groove; 14. packing and pressing ring; 15. a compression spring; 16. a convex portion; 17. a framework; 18. a framework type oil seal.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-4, the utility model provides a vacuum dryer, which comprises a body, a cylinder body 1 horizontally arranged on the body, a stirring shaft 2 horizontally arranged in the cylinder body 1, and stirring blades arranged on the stirring shaft 2. The machine body is also provided with a driving mechanism for driving the stirring shaft 2 to rotate, the driving mechanism comprises a gear reduction motor 3, and the gear reduction motor 3 is connected with the stirring shaft 2 to drive the stirring shaft 2 to rotate.
In order to increase the drying speed, the drum body 1 adopts a sandwich structure (not shown in the figure) and is internally filled with steam, and the materials in the drum body 1 are heated to a certain extent through heat exchange. The epaxial stirring vane (not shown in the figure) that has welded the triangle-shaped form, and normal during operation, one of them right angle face plays stir-fry material effect, turns up the material in succession to abundant stirring, mixing, and make material and barrel 1 inner wall fully contact, thereby accelerated material stoving speed. When the material is discharged, the other inclined plane plays a role in pushing the material, so that the material is smoothly pushed out of the discharge hole.
Be provided with axle head sealing device between (mixing) shaft 2 and the casing, axle head sealing device include seal receptacle 4, seal receptacle gland 5 and first sealing member, seal receptacle 4 and the coaxial setting of seal receptacle gland 5 on (mixing) shaft 2, seal receptacle 4 includes connecting portion 6 and sealing 7, connecting portion 6 and the seal receptacle gland 5 of seal receptacle 4 are connected, are provided with the shaft hole on the sealing 7, the size in shaft hole is greater than the size of (mixing) shaft 2, first sealing member sets up between sealing 7 and (mixing) shaft 2, first sealing member is packing 8.
One end of the sealing part 7, which is far away from the connecting part 6, is provided with a circle of first inner convex edge 9, the inner diameter of the first inner convex edge 9 is equivalent to the outer diameter of the stirring shaft 2, and one end of the connecting part 6, which is far away from the sealing part 7, is provided with a circle of first outer convex edge 10.
Shaft end sealing device still includes the second sealing member, and seal receptacle gland 5 is cyclic annularly, and the internal diameter size of seal receptacle gland 5 is greater than (mixing) shaft 2's external diameter size, and the second sealing member setting is between seal receptacle gland 5 and (mixing) shaft 2, seal receptacle gland 5's both ends be provided with protruding edge 12 in 11 and the second respectively, the connecting portion 6 of seal receptacle 4 include the recess 13 that is equivalent with seal receptacle gland 5 external diameter size, recess 13 can be blocked to seal receptacle gland 5, protruding edge 12 is located recess 13 in the second, the internal diameter size of protruding edge 12 is equivalent with (mixing) shaft 2's external diameter size in the second, the protruding edge 11 of second is located recess 13 and passes through bolt and nut and above-mentioned first protruding edge 10 fixed connection outward.
The shaft end sealing device further comprises a tightness control device of the first sealing element, the tightness control device comprises a packing pressing ring 14 and a compression spring 15, the packing pressing ring 14 is arranged in the groove 13 and is located between the sealing portion 7 of the sealing seat gland 5 and the sealing seat 4 and coaxially arranged with the sealing seat gland 5, one end of the compression spring 15 is connected with the sealing seat gland 5, the other end of the compression spring is connected with the packing pressing ring 14, a circle of convex portion 16 is arranged on one end face, away from the compression spring 15, of the packing pressing ring 14, and the convex portion 16 abuts against the packing 8.
Two compression springs 15 are provided, one end of each of the two compression springs 15 is connected with the seal seat gland 5, and the other end is connected with the packing clamping ring 14.
The second sealing element is a frame-type oil seal 18, which includes a plurality of frames 17, each frame 17 includes an iron shell, a dust-holding lip, a curved portion, a spring, and a spring hook, and the structure is not described in detail herein for the prior art.
The utility model is provided with the shaft end sealing device which is formed by combining the packing 8 seal and the framework type oil seal 18 seal, the packing 8 seal mainly has the function of preventing the materials or garbage in the barrel 1 from entering the framework type oil seal 18, and the service life of the framework type oil seal 18 is prolonged; in addition, the compression spring 15 in the tightness control device can automatically control the tightness degree of the packing 8, and adverse effects caused by abrasion of the packing 8 are avoided. The sealing form of the framework oil seal 18 can prevent the air leakage and water leakage of the equipment, thereby ensuring the vacuum degree of the equipment, enabling the materials to be in a low-temperature drying state in the vacuum drier and further ensuring the quality of the materials.
It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a vacuum dryer, it includes that organism, level set up barrel on the organism, and the level is provided with a (mixing) shaft in the barrel, its characterized in that, (mixing) shaft and casing between be provided with axle head sealing device, axle head sealing device include seal receptacle, seal receptacle gland and first sealing member, seal receptacle and the coaxial setting of seal receptacle gland on the (mixing) shaft, the seal receptacle includes connecting portion and sealing, the connecting portion and the seal receptacle gland of seal receptacle are connected, are provided with the shaft hole in the sealing, the size in shaft hole is greater than the size of (mixing) shaft, first sealing member sets up between sealing and (mixing) shaft, first sealing member be the packing.
2. The vacuum drier as claimed in claim 1, wherein the end of the sealing part away from the connecting part is provided with a circle of first inner convex edge, the inner diameter of the first inner convex edge is equal to the outer diameter of the stirring shaft, and the end of the connecting part away from the sealing part is provided with a circle of first outer convex edge.
3. The vacuum dryer according to claim 2, wherein the shaft end sealing device further comprises a second sealing element, the sealing seat gland is annular, the inner diameter of the sealing seat gland is larger than the outer diameter of the stirring shaft, the second sealing element is arranged between the sealing seat gland and the stirring shaft, the two ends of the sealing seat gland are respectively provided with a second outer convex edge and a second inner convex edge, the connecting portion of the sealing seat comprises a groove corresponding to the outer diameter of the sealing seat gland, the sealing seat gland can be clamped into the groove, the second inner convex edge is located in the groove, the inner diameter of the second inner convex edge is corresponding to the outer diameter of the stirring shaft, and the second outer convex edge is located outside the groove and fixedly connected with the first outer convex edge.
4. The vacuum dryer according to claim 3, wherein the shaft end sealing device further comprises a tightness control device of the first sealing element, the tightness control device comprises a packing pressing ring and a compression spring, the packing pressing ring is arranged in the groove and located between the sealing seat gland and the sealing part of the sealing seat, the packing pressing ring is coaxial with the sealing seat gland, one end of the compression spring is connected with the sealing seat gland, the other end of the compression spring is connected with the packing pressing ring, a circle of convex part is arranged on one end face, away from the compression spring, of the packing pressing ring, and the convex part abuts against the packing.
5. The vacuum dryer as claimed in claim 4, wherein the number of the compression springs is two, one end of each compression spring is connected with the gland of the seal seat, and the other end of each compression spring is connected with the packing clamping ring.
6. The vacuum dryer as claimed in claim 3, wherein the second sealing member is a skeleton-type oil seal comprising a plurality of skeletons, each skeleton comprising an iron shell, a dust-discharging lip, a curved portion, a spring and a spring hook.
7. The vacuum dryer as claimed in claim 1, wherein the body is further provided with a driving mechanism for driving the stirring shaft to rotate, the driving mechanism comprises a gear reduction motor, and the gear reduction motor is connected with the stirring shaft to drive the stirring shaft to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437327.XU CN210740791U (en) | 2019-08-29 | 2019-08-29 | Vacuum type drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437327.XU CN210740791U (en) | 2019-08-29 | 2019-08-29 | Vacuum type drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210740791U true CN210740791U (en) | 2020-06-12 |
Family
ID=70983266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921437327.XU Active CN210740791U (en) | 2019-08-29 | 2019-08-29 | Vacuum type drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210740791U (en) |
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2019
- 2019-08-29 CN CN201921437327.XU patent/CN210740791U/en active Active
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