CN104986534A - High-molecular-weight polyethylene carrier roller - Google Patents
High-molecular-weight polyethylene carrier roller Download PDFInfo
- Publication number
- CN104986534A CN104986534A CN201510424325.7A CN201510424325A CN104986534A CN 104986534 A CN104986534 A CN 104986534A CN 201510424325 A CN201510424325 A CN 201510424325A CN 104986534 A CN104986534 A CN 104986534A
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- CN
- China
- Prior art keywords
- dust
- weight polyethylene
- roll body
- annular groove
- proof
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/02—Adaptations of individual rollers and supports therefor
- B65G39/09—Arrangements of bearing or sealing means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention discloses a high-molecular-weight polyethylene carrier roller. The high-molecular-weight polyethylene carrier roller comprises a roller body and a main shaft. The two ends of the inner ring of the roller body are each provided with a bearing pedestal connected with a main shaft sleeve. A dustproof annular groove is formed in the axial port of the roller shaft. A dustproof disk connected with the main sleeve in a sleeving mode is arranged in the dustproof annular groove. The roller body is provided with at least one dust exhausting groove communicated with the axial end face of the roller body and the inner wall of the dustproof annular groove. A labyrinth type sealing assembly is arranged between the dustproof disk and each bearing pedestal. The high-molecular-weight polyethylene carrier roller is improved on the basis of an existing labyrinth type sealing carrier roller and has the effect of preventing dust from entering the labyrinth type sealing assembly, and therefore the service life of the labyrinth type sealing assembly is prolonged, and the service life of the carrier roller can be prolonged indirectly. The interior of the high-molecular-weight polyethylene carrier roller is of hollow design, and therefore the weight is low, and installation and maintenance are convenient. The overall weight of the high-molecular-weight polyethylene carrier roller is low, resistance is small in the running process, and the energy-saving effect is obvious; and further, because non-contact sealing is adopted, noise is low in the running process, and abrasion can be relieved.
Description
Technical field
The present invention relates to a kind of transport rolling member, more particularly, it relates to a kind of sealing idler roller.
Background technology
At underground coal mine, pollutants is trickle and coal slime mainly, and in steel plant, cement mill and power plant, pollutants is dust mainly.As everyone knows, after water or dust enter bearing, all the grease in bearing " can be eaten up ", bearing can not get lubrication, and namely the life-span reduces hundred times, will soon lose efficacy, or stuck by dust, and carrying roller is also scrapped immediately.
Over more than 200 year, due to people labyrinth sealed principle neither one be clearly familiar with accurately and understand, therefore, how little the labyrinth seal gap no matter designed is, how many number of plies is, camber and radian how ingenious, even if increase considerably the rotational resistance of carrying roller, in labyrinth seal chamber, fill a large amount of greases, the desirable object of not intaking He not entering dust can not be reached.In particular, at water and dust bulk deposition in the gap of the axial end of roll body, the gap between roll body and main shaft can be caused on the one hand to block makes roll body rotate, on the other hand when dust too much be filled in aforementioned gap, the dust that can cannot discharge along with the rotation of roll body is brought into in labyrinth seal, then enters to labyrinth seal.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of by the rotation of dust pan in dust-proof annular groove, the dust be deposited in roll body axial end gap is pushed into the not easily blocking outside the axial end of roll body by dust discharging grooves, the carrying roller of good dustproof effect.
For achieving the above object, the invention provides following technical scheme:
A kind of high-molecular weight polyethylene supporting roller, comprise roll body and main shaft, described roll body is made up of High molecular weight polyethylene, the inner ring two ends of described roll body are arranged with the bearing seat be socketed with main shaft, the axial port place of described roll body is provided with dust-proof annular groove, be provided with the dust pan be socketed with main shaft in described dust-proof annular groove, described roll body offers at least one dust discharging grooves being communicated with roll body axial end and dust-proof annular groove inwall, is provided with labyrinth seal assembly between described dust pan and bearing seat.
Arrange further as of the present invention, described labyrinth seal assembly comprises the seal receptacle being fixed on roll body inner ring, the both sides of described seal receptacle are equipped with closure gasket groove, the both sides of described seal receptacle are arranged with the first seal disc and the second seal disc that are socketed with main shaft, described first seal disc and the second seal disc are equipped with the first annular lug and second annular lug of annular, described first annular lug is positioned at described seal receptacle outer rim, and described second annular lug is positioned at described closure gasket groove.
As setting of the present invention, described roll body is by steel plate bending forming, and described bearing seat, seal receptacle are fixed on the inner ring of a topological pedestal, and described dust-proof annular groove is opened in the axial end of topological pedestal.
Preferably, described dust pan is provided with the dust-proof projection of annular, and described dust-proof projection is positioned at described dust-proof annular groove.
Preferably, the trench bottom of described dust discharging grooves is lozenges.
Compared with prior art, the present invention has made improvement on the basis of original labyrinth seal carrying roller, its effect is preventing dust from entering labyrinth seal assembly, and then extend the service life of labyrinth seal assembly, in the hope of indirectly extending the service life of carrying roller.It mainly separates labyrinth seal assembly by dust pan and contacts with the direct of the external world, then is derived by the dust be deposited in dust pan and dust-proof annular groove by the turnover power of main shaft; It is inner adopts hollow design, and therefore it is lightweight and installation and maintenance convenient; The resistance that its overall weight is subject to when gentlier running is less, has obvious energy-saving effect; Further, due to adopt be non-contacting seal therefore run time noise less, and can wearing and tearing be alleviated.
Accompanying drawing explanation
Fig. 1 is the constructional drawing of high-molecular weight polyethylene supporting roller embodiment of the present invention;
Fig. 2 is the front view of high-molecular weight polyethylene supporting roller embodiment of the present invention;
Fig. 3 is the A face cutaway view of Fig. 2;
Fig. 4 is the detail drawing of high-molecular weight polyethylene supporting roller embodiment of the present invention;
Fig. 5 is the schematic internal view of high-molecular weight polyethylene supporting roller embodiment of the present invention;
Fig. 6 is the B portion enlarged drawing of Fig. 5.
Accompanying drawing marks: 1, roll body; 2, main shaft; 21, hold down groove; 3, topological pedestal; 31, dust discharging grooves; 4, dust pan; 41, projection is sealed; 51, seal receptacle; 511, closure gasket groove; 52, the first seal disc; 53, the second seal disc; 531, the first annular lug; 532, the second annular lug.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, carrying roller embodiment of the present invention is described further.
As shown in Figure 1, a kind of high-molecular weight polyethylene supporting roller, comprise roll body 1 and main shaft 2, roll body is made up of High molecular weight polyethylene.Be provided with at the two ends of main shaft 2 routinely for the fixing hold down groove 21 of circumference.The axial two ends of roll body 1 all offer the dust-proof annular groove that diameter is greater than centre hole, are provided with the dust pan 4 be socketed with main shaft 2 in dust-proof annular groove, to block extraneous dust.Meanwhile, be periphery in the edge of dust-proof annular groove the dust discharging grooves 31 of the dust-proof annular groove inwall of connection to roll body 1 axial end.Like this dust accumulation or too much be filled between dust pan 4 and dust-proof annular groove time, dust pan 4 rotates according to main shaft 2, and namely the dust of accumulation can be pushed into outside along dust discharging grooves 31 by the extruding of dust circumference.
Preferably, the cell wall of dust discharging grooves 31 is lozenges, can prevent dust after pushing to dust discharging grooves 31 by the gradient of lozenges, piles up in dust discharging grooves 31, ensures that dust is discharged effectively.
With reference to Fig. 2 to Fig. 4, present embodiment discloses a kind of concrete structure of concrete labyrinth seal assembly.Labyrinth seal assembly comprises the seal receptacle 51 being fixed on roll body 1 inner ring, the both sides of seal receptacle 51 are equipped with closure gasket groove 511, the both sides of seal receptacle 51 are arranged with the first seal disc 52 and the second seal disc 53 be socketed with main shaft 2, first seal disc 52 and the second seal disc 53 are equipped with the first annular lug 531 and the second annular lug 532 of annular, first annular lug 531 is coated on the outside of seal receptacle 51, and the second annular lug 532 is positioned at closure gasket groove 511.By above-mentioned setting, the labyrinth seal structure of the present embodiment by seal receptacle 51 and the first annular lug 531 and and the cooperation of the second annular lug 532 define seven sealing surfaces successively.Through a small amount of dust of dust pan 4 after entering labyrinth seal assembly, need to be sealed by septuple just can enter into bearing seat, impact is shone on bearing, further enhances the dust-proof effect of the present embodiment.
As shown in Figure 5 and Figure 6, the present embodiment preferably adopts cold-rolling steel bending forming technological maheup roll body 1, can ensure that roll body 1 has enough good circularity and rigidity like this.Meanwhile, be arranged with topological pedestal 3 at the axial two ends of roll body 1, bearing seat and seal receptacle 51 are all fixed on the inner ring of topological pedestal 3, and dust-proof annular groove and dust discharging grooves 31 are also opened in the side of topological pedestal 3 relative to the external world.Roll body 1 due to the present embodiment is that the manufacture of an employing bending forming technology forms, the diameter of its roll body 1 inner ring when shaping is fixed, therefore the roll body 1 in order to make the bearing seat of outsourcing and labyrinth seal assembly can coordinate any inner ring diameter, be can as compensation between bearing seat and roll body 1 inner ring by fixed topology pedestal 3, ensure the arbitrary dimension adaptation of bearing seat and roll body 1.Certainly, the diameter of topological pedestal 3 needs with different roll body 1 inner ring diameter design.
As shown in Figures 4 to 6, preferably dust pan 4 is provided with the dust-proof projection of annular, is opened in the sealing projection 41 can between the dust-proof annular groove of topological pedestal 3 and the centre hole of topological pedestal 3 with annular.Dust-proof projection, between dust-proof annular groove and sealing projection 41, with the double sealing surface that is shaped, further enhances the effect preventing dust and water from entering to labyrinth seal assembly.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a high-molecular weight polyethylene supporting roller, comprise roll body and main shaft, described roll body is made up of High molecular weight polyethylene, the inner ring two ends of described roll body are arranged with the bearing seat be socketed with main shaft, it is characterized in that: the axial port place of described roll body is provided with dust-proof annular groove, be provided with the dust pan be socketed with main shaft in described dust-proof annular groove, described roll body offers at least one dust discharging grooves being communicated with roll body axial end and dust-proof annular groove inwall, is provided with labyrinth seal assembly between described dust pan and bearing seat.
2. high-molecular weight polyethylene supporting roller according to claim 1, it is characterized in that: described labyrinth seal assembly comprises the seal receptacle being fixed on roll body inner ring, the both sides of described seal receptacle are equipped with closure gasket groove, the both sides of described seal receptacle are arranged with the first seal disc and the second seal disc that are socketed with main shaft, described first seal disc and the second seal disc are equipped with the first annular lug and second annular lug of annular, described first annular lug is positioned at described seal receptacle outer rim, and described second annular lug is positioned at described closure gasket groove.
3. high-molecular weight polyethylene supporting roller according to claim 1, is characterized in that: described roll body is by steel plate bending forming, and described bearing seat, seal receptacle are fixed on the inner ring of a topological pedestal, and described dust-proof annular groove is opened in the axial end of topological pedestal.
4. the high-molecular weight polyethylene supporting roller according to claim 1 or 2 or 3, is characterized in that: described dust pan is provided with the dust-proof projection of annular, and described dust-proof projection is positioned at described dust-proof annular groove.
5. high-molecular weight polyethylene supporting roller according to claim 4, is characterized in that: the trench bottom of described dust discharging grooves is lozenges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510424325.7A CN104986534A (en) | 2015-07-18 | 2015-07-18 | High-molecular-weight polyethylene carrier roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510424325.7A CN104986534A (en) | 2015-07-18 | 2015-07-18 | High-molecular-weight polyethylene carrier roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104986534A true CN104986534A (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510424325.7A Pending CN104986534A (en) | 2015-07-18 | 2015-07-18 | High-molecular-weight polyethylene carrier roller |
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| CN (1) | CN104986534A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07137827A (en) * | 1993-06-04 | 1995-05-30 | Maki Tec:Kk | Resin-made bearing |
| CN2887800Y (en) * | 2005-12-20 | 2007-04-11 | 孙作东 | Supporting roller |
| US20080190743A1 (en) * | 2007-02-08 | 2008-08-14 | Shih-An Hong | Roller device for a conveyer |
| CN202138833U (en) * | 2011-06-09 | 2012-02-08 | 骏维实业股份有限公司 | Dustproof and waterproof structure for bearing block |
| CN202807771U (en) * | 2012-04-10 | 2013-03-20 | 张家口市宣化汇辰科技有限公司 | Carrier roller made of ultra-high molecular weight polyethylene |
| CN203450762U (en) * | 2013-08-20 | 2014-02-26 | 昆明畅运机械制造有限公司 | Bearing sealing structure and carrier roller and belt conveyer with same |
| CN203652650U (en) * | 2013-12-27 | 2014-06-18 | 马大勇 | Sealing device for supporting roller of belt conveyor |
| CN204847237U (en) * | 2015-07-18 | 2015-12-09 | 乐清市国海传动设备有限公司 | High molecular weight polyethylene bearing roller |
-
2015
- 2015-07-18 CN CN201510424325.7A patent/CN104986534A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07137827A (en) * | 1993-06-04 | 1995-05-30 | Maki Tec:Kk | Resin-made bearing |
| CN2887800Y (en) * | 2005-12-20 | 2007-04-11 | 孙作东 | Supporting roller |
| US20080190743A1 (en) * | 2007-02-08 | 2008-08-14 | Shih-An Hong | Roller device for a conveyer |
| CN202138833U (en) * | 2011-06-09 | 2012-02-08 | 骏维实业股份有限公司 | Dustproof and waterproof structure for bearing block |
| CN202807771U (en) * | 2012-04-10 | 2013-03-20 | 张家口市宣化汇辰科技有限公司 | Carrier roller made of ultra-high molecular weight polyethylene |
| CN203450762U (en) * | 2013-08-20 | 2014-02-26 | 昆明畅运机械制造有限公司 | Bearing sealing structure and carrier roller and belt conveyer with same |
| CN203652650U (en) * | 2013-12-27 | 2014-06-18 | 马大勇 | Sealing device for supporting roller of belt conveyor |
| CN204847237U (en) * | 2015-07-18 | 2015-12-09 | 乐清市国海传动设备有限公司 | High molecular weight polyethylene bearing roller |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20151021 |
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| RJ01 | Rejection of invention patent application after publication |