CN112027539B - Device is prevented leaking by auger afterbody - Google Patents
Device is prevented leaking by auger afterbody Download PDFInfo
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- CN112027539B CN112027539B CN202010835775.6A CN202010835775A CN112027539B CN 112027539 B CN112027539 B CN 112027539B CN 202010835775 A CN202010835775 A CN 202010835775A CN 112027539 B CN112027539 B CN 112027539B
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- wear
- auger
- resistant sleeve
- centrifugal
- disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
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Abstract
The embodiment of the invention discloses an auger tail leakage-proof device, which comprises an auger cylinder and an auger shaft, wherein a first wear-resistant sleeve is arranged at one end of the auger shaft, a second wear-resistant sleeve is fixedly sleeved at one end of the auger cylinder, the first wear-resistant sleeve is rotatably sleeved in the second wear-resistant sleeve, and a collecting cavity for collecting leaked materials is formed between the second wear-resistant sleeve and the auger cylinder; the two end surfaces of the auger shaft body are respectively provided with a tip structure, and the tip structures are nested on the inner end surface of the auger barrel body through a limiting sleeve hole; a blocking disc is arranged at one end of the first wear-resistant sleeve, which is far away from the collecting cavity, and a multi-stage centrifugal discharging disc for discharging leaked materials is arranged on the outer side of the blocking disc; the invention does not need to use bearings which are easy to corrode by lime for installation, thereby prolonging the service life of the device; the possibility that the materials permeate to the outside along the shaft body of the packing auger can be avoided by the collecting cavity.
Description
Technical Field
The embodiment of the invention relates to the technical field of gypsum boards, in particular to a packing auger tail leakage preventing device.
Background
The auger conveyor is also called a screw conveyor, and the rotating screw blade pushes materials to carry out screw conveying, so that the screw conveyor is widely applied to various industries. The spiral conveyer is suitable for horizontal or inclined conveying of powdery, granular and small blocky materials, the temperature of the materials is less than 200 ℃, and the spiral conveyer is not suitable for conveying easily-deteriorated, viscous and easily-caked materials. In the gypsum board raw material control section, the raw material desulfurized gypsum is fried by a rotary kiln, then ball milling and cooling processes are needed, and in each process, a packing auger conveyor is needed to convey the material to a fixed position for corresponding treatment, and finally the material enters a storage bin for storage and use.
In the prior art, bearings are used at two ends of an auger to position an auger shaft body, packing is used at the front end and the rear end of an auger barrel to seal, but the packing is worn for a long time and the auger shaft body deforms and drops due to long-term use, so that the horizontal conveying discharge end or the inclined conveying lower end of the auger is caused, and powder leaks from the shaft part to pollute the environment due to poor sealing property; and the leakage part is close to the bearing, so that the bearing is easily damaged, the abrasion of the shaft body of the packing auger is caused, the leakage is aggravated, and the service life of the device is seriously shortened.
Disclosure of Invention
Therefore, the embodiment of the invention provides a packing auger tail leakage preventing device, which aims to solve the problems that in the prior art, a packing is easy to damage, so that materials are leaked, a bearing is damaged, and the service life of the device is shortened.
In order to achieve the above object, an embodiment of the present invention provides the following:
a packing auger tail leakage preventing device comprises a packing auger barrel body and a packing auger shaft body which is rotatably arranged in the packing auger barrel body, wherein a first wear-resistant sleeve is arranged at one end of the packing auger shaft body, a second wear-resistant sleeve is fixedly sleeved at one end of the packing auger barrel body, the first wear-resistant sleeve is rotatably sleeved in the second wear-resistant sleeve, and a collecting cavity for collecting leaked materials is formed between the second wear-resistant sleeve and the packing auger barrel body;
tip structures which are used for abutting against two ends of the auger barrel body to prevent the auger shaft body from transversely moving are respectively arranged on two end faces of the auger shaft body, and the tip structures are nested on the inner end face of the auger barrel body through a limiting sleeve hole;
keep away from of first wear-resisting cover collection chamber one end is installed and is used for restricting the material to follow the disc that blocks of leaking between first wear-resisting cover and the auger barrel the multistage centrifugation that is used for discharging the leakage material is installed in the outside that blocks the disc and is got rid of the dish.
As a preferable scheme of the present invention, the multistage centrifugal drain pan includes a plurality of slope-shaped drain cavities arranged in parallel in the second wear-resistant sleeve, a plurality of centrifugal pans are installed on the first wear-resistant sleeve in one-to-one correspondence with the plurality of slope-shaped drain cavities, the centrifugal pans are nested in the slope-shaped drain cavities, and outer ends of the slope-shaped drain cavities extend to the collection cavity.
As a preferred scheme of the present invention, a throwing inclined plane is disposed on the outer side of the centrifugal disc, and a plurality of toggle fan blades are uniformly distributed on the throwing inclined plane.
In a preferred embodiment of the present invention, a support frame is installed in the slope-shaped discharge channel, and a backstop concave surface is provided on an outer side of the slope-shaped discharge channel.
As a preferable scheme of the present invention, the blocking disc includes a bearing sliding ring fixedly sleeved on the first wear-resistant sleeve, and an annular sliding groove for slidably nesting the bearing sliding ring is disposed on the second wear-resistant sleeve corresponding to the bearing sliding ring.
As a preferable scheme of the invention, a tapered plugging body is fixedly installed on one side of the bearing sliding ring away from the collection cavity, and a position, corresponding to the tapered plugging body, on the second wear-resistant sleeve is provided with a meshing groove nested with the tapered plugging body.
As a preferable scheme of the present invention, an elastic plug is fixedly installed on an end surface of the conical plugging body, a plurality of centrifugal expansion rods are hinged and distributed on the end surface of the conical plugging body in a circumferential direction, and outer ends of the centrifugal expansion rods are hinged and distributed on an inner side of the elastic plug.
As a preferable scheme of the present invention, the second wear-resistant sleeve is provided with a fluid gap on both sides of the position corresponding to the load-bearing slip ring.
As a preferable aspect of the present invention, a flow hole is provided at a position corresponding to the fluid gap on the load-bearing slip ring, and a splash shield is installed at an inner end of the flow hole.
In a preferred embodiment of the invention, the outer end face of the carrier slide ring is in contact with the groove bottom of the annular sliding groove via rolling balls mounted in a rotatable manner.
The embodiment of the invention has the following advantages:
(1) according to the packing auger shaft body supporting structure, the center structure, the first wear-resistant sleeve structure and the second wear-resistant sleeve structure which are nested with each other replace the traditional mode of mounting by using a bearing and sealing by using a packing, and more stable auger shaft body supporting capacity can be obtained; the first wear-resistant sleeve and the second wear-resistant sleeve are tightly attached and rotated, so that the sealing property of the tail of the device is improved, a bearing which is easily corroded by lime is replaced, the service life of the device is prolonged, and the sealing effect can be effectively enhanced only by increasing the lengths of the first wear-resistant sleeve and the second wear-resistant sleeve; the material is isolated from the end part of the auger barrel by arranging the collecting cavity, so that the possibility that the material penetrates to the outside along the auger shaft body is avoided;
(2) according to the invention, the blocking disc is used for increasing the blocking capacity of the gap between the first wear-resistant sleeve and the second wear-resistant sleeve to materials, the materials permeating between the first wear-resistant sleeve and the second wear-resistant sleeve are discharged to the collecting cavity through the multi-stage centrifugal discharging disc, so that the materials are prevented from being blocked between the first wear-resistant sleeve and the second wear-resistant sleeve, the friction between the first wear-resistant sleeve and the second wear-resistant sleeve is greatly increased, the material permeation areas of the first wear-resistant sleeve and the second wear-resistant sleeve can be cleaned through the multi-stage centrifugal discharging disc, the blockage between the first wear-resistant sleeve and the second wear-resistant sleeve is further prevented, and the service life of the device is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the configuration of a barrier disc and a multi-stage centrifugal drain disc in an embodiment of the present invention;
fig. 3 is a cross-sectional view of a second wear sleeve in an embodiment of the invention.
In the figure:
1-a packing auger cylinder; 2-auger shaft body; 3-a first wear sleeve; 4-a second wear sleeve; 5-a collection cavity; 6-tip structure; 7-limiting sleeve holes; 8-a barrier disc; 9-multi-stage centrifugal drain pan; 10-rolling beads;
81-load bearing slip ring; 82-annular chute; 83-fluid gap; 84-a conical plugging body; 85-an occlusion groove; 86-an elastomeric plug; 87-centrifugal expansion rods; 88-flow through the pores; 89-a splash shield;
91-slope shape discharge cavity; 92-centrifugal discs; 93-throwing out the inclined plane; 94-toggle fan blade; 95-a supporting framework; 96-concave backstop.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, the invention aims to provide a packing auger tail leakage-proof device to solve the problems that the tail end of a packing auger transmission device in the prior art is poor in sealing performance and a mounting bearing is easy to damage.
The packing auger transmission device generally comprises a packing auger cylinder body 1 in the packing auger transmission device and a packing auger shaft body 2 rotatably arranged in the packing auger cylinder body 1.
Particularly, first wear-resisting cover 3 is installed to the one end of auger axis body 2 the fixed cover of the one end of auger barrel 1 has connect the wear-resisting cover of second 4, and first wear-resisting cover 3 rotationally cup joints in the wear-resisting cover of second 4, and formed a collection chamber 5 that is used for collecting the leakage material between wear-resisting cover of second 4 and the auger barrel 1.
Through the nested rotation each other of first wear-resisting cover 3 and the wear-resisting cover 4 of second, in order to replace the packing that is used for sealed auger axis body 2 and auger barrel 1 tip among the current auger transmission device, because the packing texture is comparatively soft, consequently take place easily and warp and lead to the material leakage in the auger barrel 1, first wear-resisting cover 3 and the wear-resisting cover 4 of second are made by the better rubber material of wearability, make between sealed auger axis body 2 and the auger barrel 1 rotation effect become the relative action of first wear-resisting cover 3 and the wear-resisting cover 4 of second, thereby utilize the characteristic of first wear-resisting cover 3 and the wear-resisting cover 4 of second to protect between each rotating member.
All install on two terminal surfaces of auger axis body 2 and be used for contradicting 1 both ends of auger barrel are in order to prevent top structure 6 of 2 horizontal drunkenness of auger axis body, top structure 6 is nested through spacing trepanning 7 on the inside terminal surface of auger barrel 1.
The tip structures 6 at the two ends of the auger shaft body 2 are clamped at the two ends of the auger barrel body 1, so that the auger shaft body 2 is limited to move towards the two ends.
In the prior art, the packing auger shaft body 2 is installed through the rotation of the bearing, and the bearing is easily corroded gradually by the packing auger cylinder body 1, so that the service life of the device is shortened.
In the device, the center structure 6, the first wear-resistant sleeve 3 and the second wear-resistant sleeve 4 which are nested with each other replace the traditional mode of mounting by using a bearing and sealing by using a packing, so that the more stable supporting capacity of the auger shaft body 2 can be obtained; in addition, the first wear-resistant sleeve 3 and the second wear-resistant sleeve 4 are tightly attached and rotated, so that the sealing performance of the tail of the device is improved, a bearing which is easily corroded by lime is replaced, the service life of the device is prolonged, and the sealing effect can be effectively enhanced only by increasing the lengths of the first wear-resistant sleeve 3 and the second wear-resistant sleeve 4; the material is isolated from the end part of the packing auger barrel body 1 by arranging the collecting cavity 5, and the possibility that the material permeates to the outside along the packing auger shaft body 2 is avoided.
Further, keep away from of first wear-resisting cover 3 collect 5 one end in chamber and install and be used for restricting the material from the disc 8 that blocks of leaking between first wear-resisting cover 3 and the auger barrel 1 the multistage centrifugation that is used for discharging the leakage material is got rid of and is coiled 9 in the outside of blocking the disc 8.
As shown in fig. 2 and 3, the multistage centrifugal drain pan 9 includes a plurality of slope-shaped discharge channels 91 arranged in parallel in the second wear-resistant sleeve 4, a plurality of centrifugal pans 92 are installed on the first wear-resistant sleeve 3 in one-to-one correspondence with the slope-shaped discharge channels 91, the centrifugal pans 92 are nested in the slope-shaped discharge channels 91, and the outer ends of the slope-shaped discharge channels 91 extend to the collection chamber 5.
Furthermore, a throwing inclined plane 93 is arranged on the outer side of the centrifugal disc 92, and a plurality of toggle fan blades 94 are uniformly distributed on the throwing inclined plane 93.
Further, a supporting framework 95 is installed in the slope-shaped discharge cavity 91, and a backstop concave surface 96 is arranged on the outer side of the slope-shaped discharge cavity 91.
Further, the blocking disc 8 comprises a bearing sliding ring 81 fixedly sleeved on the first wear-resistant sleeve 3, and an annular sliding groove 82 for slidably nesting the bearing sliding ring 81 is arranged on the second wear-resistant sleeve 4 corresponding to the bearing sliding ring 81.
Furthermore, a conical block body 84 is fixedly installed on one side of the bearing sliding ring 81 far away from the collecting cavity 5, and a snapping groove 85 nested with the conical block body 84 is arranged on the second wear-resistant sleeve 4 at a position corresponding to the conical block body 84.
Further, an elastic plug 86 is fixedly installed on the end surface of the conical plugging body 84, a plurality of centrifugal expansion rods 87 are hinged and distributed on the end surface of the conical plugging body 84 in the circumferential direction, and the outer ends of the centrifugal expansion rods 87 are hinged on the inner side of the elastic plug 86.
Further, the second wear-resistant sleeve 4 is provided with a fluid gap 83 on both sides corresponding to the position of the load-bearing sliding ring 81.
Furthermore, a flow hole 88 is formed on the bearing slide ring 81 at a position corresponding to the fluid gap 83, and a splash shield 89 is installed at an inner end of the flow hole 88.
Further, the outer end face of the carrier slide 81 is in contact with the bottom of the annular slide groove 82 by means of rotatably mounted rolling balls 10.
This device is still through blockking the disc 8 in order to increase the ability of blockking of the gap between first wear-resisting cover 3 and the second wear-resisting cover 4 to the material, get rid of dish 9 through multistage centrifugation and make the material that permeates between first wear-resisting cover 3 and the second wear-resisting cover 4 arrange to collecting chamber 5, thereby prevent that the material from blockking up between first wear-resisting cover 3 and the wear-resisting cover 4 of second, make the friction greatly increased between first wear-resisting cover 3 and the wear-resisting cover 4 of second, and get rid of dish 9 through multistage centrifugation and can wash material infiltration district between them, further prevented between the two by blockking up.
The principle of action of the blocking disk 8 is:
(1) the special shape interlock through toper shutoff body 84 and interlock groove 85, with the area of increase both interlocks, increase the leakproofness of both interlocks, thereby the reinforcing is to the ability of blockking of material infiltration, and the rotation when relying on auger axis body 2 to transport the material, thereby make centrifugal expansion rod 87 receive fore-and-aft centrifugal force, make centrifugal expansion rod 87 outer end extrusion elastic plug 86, make elastic plug 86 extrude the wear-resisting cover of second 4, thereby make the leakproofness of device further increase, it is faster that auger axis body 2 slew velocity is consequently seen, the sealed effect of elastic plug 86 is better, the rotational speed is also low, sealed effect is just worse.
(2) Through bearing the rotation of sliding ring 81 nestification in annular spout 82 to the lateral sliding between first wear-resisting cover 3 of restriction and the wear-resisting cover 4 of second, and carry out the bearing through bearing sliding ring 81 pair auger axis body 2, can make wear-resisting cover 4 of second set up fluid gap 83 in the contact department with first wear-resisting cover 3, reduce the frictional area between the two through fluid gap 83, and can make the material of infiltration can pass through wear-resisting cover 4 of second comparatively easily with first wear-resisting cover 3 between, avoid taking place the jam.
The multi-stage centrifugal discharge disc 9 is used for treating the material which has penetrated into the second wear-resistant sleeve 4 and is arranged between the second wear-resistant sleeve 4 and the first wear-resistant sleeve 3 so as to prevent the material from adhering to the second wear-resistant sleeve 4 and the first wear-resistant sleeve 3.
The centrifugal disc 92 rotates along with the auger shaft body 2, so that materials attached to the centrifugal disc 92 have centrifugal force, the attachment capacity of the materials on the centrifugal disc 92 is improved by toggling the fan blades 94, and the toggling fan blades 94 also toggle more areas of the materials to rotate, so that the centrifugal force is obtained.
After the material obtains centrifugal force, the material is thrown to the outside that makes progress, and the material is discharged to collection chamber 5 through smooth slope shape discharge chamber way 91, is the slope shape through collecting chamber 5 one side cross-section to under the effect of stopping concave surface 96, prevent the material feed back, make the material only can flow left end, clear up the material in grades through setting up a plurality of centrifugal disc 92.
When the device is cleaned, water is injected into the bottom end of the slope-shaped discharge cavity 91 only through a common injector and the like, the centrifugal disc 92 rotates, so that water flow cleans the interior of the device, and the cleaned liquid can be completely discharged by increasing the rotating speed of the centrifugal disc 92, so that the device is cleaned.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a device is prevented leaking by auger afterbody, includes auger barrel (1) and rotates the auger shaft body (2) that sets up in auger barrel (1), its characterized in that install first wear-resisting cover (3) in the one end of auger shaft body (2), the fixed cover of one end of auger barrel (1) has connect wear-resisting cover of second (4), and first wear-resisting cover (3) rotationally cup joints in wear-resisting cover of second (4), and formed a collection chamber (5) that are used for collecting the leakage material between wear-resisting cover of second (4) and auger barrel (1);
tip structures (6) which are used for abutting against two ends of the auger barrel body (1) to prevent the auger barrel body (2) from transversely moving are respectively arranged on two end faces of the auger shaft body (2), and the tip structures (6) are nested on the inner end face of the auger barrel body (1) through limiting sleeve holes (7);
one end of the first wear-resistant sleeve (3) far away from the collecting cavity (5) is provided with a blocking disc (8) for limiting leakage of materials from the space between the first wear-resistant sleeve (3) and the packing auger cylinder body (1), and the outer side of the blocking disc (8) is provided with a multi-stage centrifugal discharge disc (9) for discharging leaked materials;
the multistage centrifugal discharge disc (9) comprises a plurality of slope-shaped discharge cavities (91) which are arranged in the second wear-resistant sleeve (4) in parallel, a plurality of centrifugal discs (92) are arranged on the first wear-resistant sleeve (3) in one-to-one correspondence with the slope-shaped discharge cavities (91), the centrifugal discs (92) are nested in the slope-shaped discharge cavities (91), and the outer ends of the slope-shaped discharge cavities (91) extend to the collection cavity (5);
a supporting framework (95) is arranged in the slope-shaped discharge cavity (91), and a backstop concave surface (96) is arranged on the outer side of the slope-shaped discharge cavity (91).
2. The packing auger tail leakage preventing device according to claim 1, wherein a throwing inclined plane (93) is arranged at the outer side of the centrifugal disc (92), and a plurality of toggle fan blades (94) are uniformly distributed on the throwing inclined plane (93).
3. An auger tail leakage preventing device according to claim 1, wherein the blocking disc (8) comprises a bearing sliding ring (81) fixedly sleeved on the first wear-resistant sleeve (3), and an annular sliding groove (82) for slidably nesting the bearing sliding ring (81) is arranged on the second wear-resistant sleeve (4) corresponding to the bearing sliding ring (81).
4. An auger tail leakage preventing device according to claim 3, wherein a conical block body (84) is fixedly mounted on one side of the bearing sliding ring (81) far away from the collecting cavity (5), and a position, corresponding to the conical block body (84), on the second wear-resistant sleeve (4) is provided with a snap groove (85) nested with the conical block body.
5. The packing auger tail leakage preventing device according to claim 4, wherein an elastic plug (86) is fixedly installed on the end face of the conical plugging body (84), a plurality of centrifugal expansion rods (87) are hinged and distributed on the end face of the conical plugging body (84) in the circumferential direction, and the outer ends of the centrifugal expansion rods (87) are hinged and distributed on the inner side of the elastic plug (86).
6. An auger tail leakage preventing device according to claim 3, wherein the second wear resistant sleeve (4) is provided with fluid gaps (83) on both sides corresponding to the position of the bearing slip ring (81).
7. An auger tail leakage preventing device according to claim 6, characterized in that a flow-through hole (88) is arranged on the bearing slide ring (81) corresponding to the fluid gap (83), and a splash guard (89) is arranged at the inner end of the flow-through hole (88).
8. An auger tail leakage prevention device according to claim 7, wherein the outer end face of the load-bearing slip ring (81) is in contact with the bottom of the annular sliding groove (82) through rotatably mounted rolling balls (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835775.6A CN112027539B (en) | 2020-08-19 | 2020-08-19 | Device is prevented leaking by auger afterbody |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835775.6A CN112027539B (en) | 2020-08-19 | 2020-08-19 | Device is prevented leaking by auger afterbody |
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| CN112027539A CN112027539A (en) | 2020-12-04 |
| CN112027539B true CN112027539B (en) | 2022-01-14 |
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| JP5100352B2 (en) * | 2007-12-13 | 2012-12-19 | 中国電力株式会社 | Screw feeder for ash conveyance |
| CN202848571U (en) * | 2012-10-10 | 2013-04-03 | 大亚人造板集团有限公司 | Thread sealing device of screw conveyer for artificial board |
| CN104019137A (en) * | 2014-06-20 | 2014-09-03 | 北方重工集团有限公司 | Bottom bearing sealing device for sand conveyor shaft |
| CN104261066A (en) * | 2014-09-27 | 2015-01-07 | 四川制药制剂有限公司 | Powder feeding mechanism for preventing pollution to cefodizime sodium used for injection |
| CN104668041A (en) * | 2015-02-10 | 2015-06-03 | 浙江立鑫高温耐火材料有限公司 | Mixing mill |
| CN205274494U (en) * | 2015-10-12 | 2016-06-01 | 衢州耿泰机械工业有限公司 | Spiral conveyor |
| CN108082866A (en) * | 2017-12-22 | 2018-05-29 | 北京和利康源医疗科技有限公司 | A kind of fine powder spiral feeder |
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2020
- 2020-08-19 CN CN202010835775.6A patent/CN112027539B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5100352B2 (en) * | 2007-12-13 | 2012-12-19 | 中国電力株式会社 | Screw feeder for ash conveyance |
| CN202152206U (en) * | 2011-05-27 | 2012-02-29 | 中国石油集团渤海石油装备制造有限公司 | Sealing device for bearing of sand feeder of sand blender |
| CN202848571U (en) * | 2012-10-10 | 2013-04-03 | 大亚人造板集团有限公司 | Thread sealing device of screw conveyer for artificial board |
| CN104019137A (en) * | 2014-06-20 | 2014-09-03 | 北方重工集团有限公司 | Bottom bearing sealing device for sand conveyor shaft |
| CN104261066A (en) * | 2014-09-27 | 2015-01-07 | 四川制药制剂有限公司 | Powder feeding mechanism for preventing pollution to cefodizime sodium used for injection |
| CN104668041A (en) * | 2015-02-10 | 2015-06-03 | 浙江立鑫高温耐火材料有限公司 | Mixing mill |
| CN205274494U (en) * | 2015-10-12 | 2016-06-01 | 衢州耿泰机械工业有限公司 | Spiral conveyor |
| CN108082866A (en) * | 2017-12-22 | 2018-05-29 | 北京和利康源医疗科技有限公司 | A kind of fine powder spiral feeder |
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| CN112027539A (en) | 2020-12-04 |
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