CN203579922U - Sand proof guide wheel - Google Patents
Sand proof guide wheel Download PDFInfo
- Publication number
- CN203579922U CN203579922U CN201320680566.4U CN201320680566U CN203579922U CN 203579922 U CN203579922 U CN 203579922U CN 201320680566 U CN201320680566 U CN 201320680566U CN 203579922 U CN203579922 U CN 203579922U
- Authority
- CN
- China
- Prior art keywords
- guide wheel
- sand
- main body
- bearing
- cover
- Prior art date
- 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.)
- Expired - Lifetime
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- 239000004576 sand Substances 0.000 title claims abstract description 73
- 210000004907 gland Anatomy 0.000 claims abstract description 26
- 230000002265 prevention Effects 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000003082 abrasive agent Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Images
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- Sealing Devices (AREA)
Abstract
The utility model discloses a sand proof guide wheel. The sand proof guide wheel comprises a guide wheel body (2), a guide wheel shaft (6), a guide wheel front gland (1) and a sand proof cover (5). The center of the guide wheel body (2) is provided with a bearing (4), and the sand proof cover (5) is of a cylindrical structure with the two ends open. One port of the sand proof cover (5) is fixed to one side of the guide wheel body (2) and covers the guide wheel shaft (6) in a suspending mode, and the guide wheel shaft (6) stretches out from the other port of the sand proof cover (5). The guide wheel front gland (1) is fixed to the other side of the guide wheel body (2) to cover the bearing (4) inside. According to the sand proof guide wheel, the sand proof cover and the guide wheel front gland are installed on the two sides of the guide wheel body respectively, the damage, caused by the fact that sand on a steel wire falls into the bearing, to the bearing is avoided, the bearing is effectively protected, the working condition of the guide wheel is improved, and the service life of the guide wheel is prolonged. The sand proof guide wheel is simple in structure, convenient to install, easy to maintain and low in cost.
Description
Technical field
The utility model relates to multi-wire saw machine technology, refers to especially a kind of sand prevention guide wheel for multi-line cutting machine.
Background technology
Multi-line cutting machine is to move back and forth by the high speed of steel wire, abrasive material is brought into semiconductor machining region and grind, and the hard brittle materials such as semiconductor are cut.Fig. 1 is the operation principle schematic diagram of existing multi-line cutting machine, the 3rd line roller 6 in multi-line cutting machine is connected with motor, the 3rd line roller 6 coordinates with First Line roller 3, the second line roller 4 transmissions, in whole process, guide wheel 1 is used for carrying steel wire 2 and its traffic direction of guiding, steel wire 2 is by the guiding of tens guide wheels 1, make steel wire 2 form a bracing cable net on First Line roller 3 and the second line roller 4, workpiece to be processed is realized the feeding of workpiece by the lifting of workbench 5, the hard brittle materials such as semiconductor can be cut into tens of simultaneously.
Owing to can adding abrasive material to grind at machining area in cutting process, in steel wire motion process, can be stained with the sand in a lot of lapping liquids, when steel wire is walked around guide wheel, the sand on steel wire can drop in the bearing of guide wheel, thereby causes the damage of bearing.For this problem, majority is that blowning installation is installed on guide wheel at present, by the mode of blowing, the sand on steel wire is blown away to avoid entering in bearing.But this mode has the trouble of installation, is difficult for maintenance and high in cost of production shortcoming, and especially, when a lot of guide wheel of needs, these shortcomings can further be amplified.
Utility model content
In view of this, the purpose of this utility model is to propose a kind of sand prevention guide wheel for multi-line cutting machine, prevents from that sand from entering it is damaged, and extends the life-span of guide wheel bearing.
The sand prevention guide wheel providing based on above-mentioned purpose the utility model comprises gland and anti-sand cover before guide wheel main body, guide wheel shaft, guide wheel.The center of guide wheel main body is provided with bearing, anti-sand cover is the tubular structure of both ends open, one port of anti-sand cover is fixed on a side of guide wheel main body and covers on vacantly on guide wheel shaft, guide wheel shaft stretches out from the another port of anti-sand cover, and the opposite side that gland is fixed on guide wheel main body before guide wheel by bearing cage inside.
Alternatively, described anti-sand cover comprises the cylinder head and the cylindrical shell that are connected as a single entity, and the external diameter of cylinder head is greater than the external diameter of described cylindrical shell.
Preferably, described cylinder head is cylinder or the round platform of hollow.
Preferably, the inner wall edge place of described cylinder end surface is provided with the groove matching with the race diameter of bearing; Guide wheel main body is fixed on one end of guide wheel shaft by bearing, the outer ring edge card of described bearing is connected in groove.
Alternatively, the caping of the front gland of described guide wheel is raised in the edge of the front gland of guide wheel.
Alternatively, before described anti-sand cover and guide wheel main body and guide wheel, between gland and guide wheel main body, there is sealing gasket.
Preferably, described sealing gasket is quality of rubber materials.
As can be seen from above; the sand prevention guide wheel that the utility model provides; by gland before anti-sand cover and guide wheel are installed in the both sides of guide wheel main body; the bearing of having avoided the sand on steel wire to fall into supporting guide wheel main body and the damage that causes bearing; effectively bearing is protected, improved working condition and the service life of guide wheel.This apparatus structure is simple, be convenient to install, and be easy to maintenance and safeguard, and cost is lower, and while especially needing a lot of guide wheel, this advantage can be more remarkable.
Accompanying drawing explanation
Fig. 1 is existing multi-line cutting machine operation principle schematic diagram;
Fig. 2 is the utility model sand prevention guide wheel example structure schematic diagram;
Fig. 3 is the utility model sand prevention guide wheel embodiment decomposition texture schematic diagram;
Fig. 4 is the three-dimensional structure diagram of anti-sand cover.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
The utility model sand prevention guide wheel comprises guide wheel main body, guide wheel shaft, the front gland of guide wheel and anti-sand cover.The center of guide wheel main body is provided with bearing, anti-sand cover is the tubular structure of both ends open, one port of anti-sand cover is fixed on a side of guide wheel main body and covers on vacantly on guide wheel shaft, guide wheel shaft stretches out from the another port of anti-sand cover, and the opposite side that gland is fixed on guide wheel main body before guide wheel by bearing cage inside.
Fig. 2 is the utility model sand prevention guide wheel example structure schematic diagram.Sand prevention guide wheel mainly comprises the front gland 1 of guide wheel, guide wheel main body 2, anti-sand cover 5 and guide wheel shaft 6, the tubular structure that anti-sand cover 5 is both ends open is fixed on a side of guide wheel shaft 6, and cover on vacantly on guide wheel shaft 6, anti-sand cover 5 does not contact guide wheel shaft 6 while rotating with guide wheel main body 2.Before guide wheel, the caping 11 of gland 1 is raised in the edge 12 of the front gland 1 of guide wheel, and before guide wheel, gland 1 is fixed on the opposite side of guide wheel shaft.
Fig. 3 is the utility model sand prevention guide wheel embodiment decomposition texture schematic diagram; the center of guide wheel main body 2 is provided with bearing 4; be that guide wheel main body 2 is enclosed within on the outer ring of bearing 4; the inner ring of bearing 4 is fastened on guide wheel shaft 6 with screw 10 and fastening pad 3; before guide wheel, on gland 1, guide wheel main body 2 and anti-sand cover 5, be respectively provided with three corresponding screw holes; and closely link together by screw 7,8,9, prevent the damage that entering of sand caused it, thereby effectively bearing is protected.
Fig. 4 is the three-dimensional structure diagram of anti-sand cover, and as a preferred embodiment of the present utility model, anti-sand cover 5 is a tubular structure, comprises the cylinder 51 and the cylindrical shell 52 that are connected as a single entity, and the external diameter of cylinder 51 is greater than the external diameter of cylindrical shell 52.The cylinder that cylinder 51 is hollow, the inner wall edge place of cylinder 51 end face is provided with the groove 54 matching with the race diameter of bearing 4, the outer ring edge card of bearing 4 is connected in the groove 54 of cylinder 51, so that anti-sand cover 5 is fixed in guide wheel main body 2 more accurately, both are better overlapped by axial line, and be more convenient to around guide wheel shaft 6, rotate together with guide wheel main body 2.
Cylinder 51 is not limited to the cylinder of hollow, also can be the round platform of hollow, the bottom surface that round platform radius is larger is fixed in guide wheel main body 2, bottom surface and cylindrical shell that round platform radius is less are connected as a single entity, the side of round platform becomes an inclined-plane, so that the sand dropping on anti-sand cover more easily comes off from inclined-plane, avoid entering bearing and bearing being caused to damage in the sand infiltration guide wheel main body 2 of deposition and the connecting sewing of anti-sand cover 5.
As preferred embodiment; between gland 1 and guide wheel main body 2, be provided with sealing ring between anti-sand cover 5 and guide wheel main body 2 and before guide wheel; sealing ring is quality of rubber materials, makes the front gland 1 of guide wheel and anti-sand cover 5 more closely be fixed on the both sides of guide wheel main body 2, effectively bearing 4 is protected.
During use; guide wheel is used for carrying steel wire and changes the direction of its operation; steel wire is in the V-type groove 54 of guide wheel main body 2 peripheries; guide wheel main body 2 is rotated around guide wheel shaft 6 by bearing 4; the anti-sand cover 5 and the front gland 1 of guide wheel that are arranged on guide wheel main body 2 both sides rotate with the rotation of guide wheel main body 2; prevent that thereby sand on the steel wire bearing 4 of entering from causing bearing 4 to damage, and effectively protects the bearing in guide wheel main body 24.
The utility model sand prevention guide wheel is by gland before anti-sand cover and guide wheel are installed in guide wheel main body both sides; the bearing of having avoided the sand on steel wire to fall into supporting guide wheel main body and the damage that causes bearing; effectively guide wheel shaft is held and protected, improved working condition and the service life of guide wheel.This apparatus structure is simple, be convenient to install, and be easy to maintenance and safeguard, and cost is lower, and while especially needing a lot of guide wheel, this advantage can be more remarkable.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a sand prevention guide wheel, comprise guide wheel main body (2) and guide wheel shaft (6), the center of guide wheel main body (2) is provided with bearing (4), it is characterized in that, also comprise the front gland (1) of guide wheel and anti-sand cover (5), the tubular structure that described anti-sand cover (5) is both ends open, a port of anti-sand cover (5) is fixed on a side of guide wheel main body (2) and covers on vacantly guide wheel shaft (6) upper, and guide wheel shaft (6) stretches out from the another port of anti-sand cover (5); The opposite side that the front gland (1) of described guide wheel is fixed on guide wheel main body (2) covers on the inside by bearing (4).
2. sand prevention guide wheel according to claim 1, is characterized in that, described anti-sand cover (5) comprises the cylinder head (51) and the cylindrical shell (52) that are connected as a single entity, and the external diameter of described cylinder head (51) is greater than the external diameter of described cylindrical shell (52).
3. sand prevention guide wheel according to claim 2, is characterized in that, the cylinder that described cylinder head (51) is hollow or the round platform of hollow, and it is upper that the larger bottom surface of described round platform radius is fixed on guide wheel main body (2), and the side of round platform becomes an inclined-plane.
4. sand prevention guide wheel according to claim 2, is characterized in that, the inner wall edge place of described cylinder head (51) end face is provided with the groove (54) matching with the race diameter of bearing (4); Guide wheel main body (2) is fixed on one end of guide wheel shaft (6) by bearing (4), the outer ring edge card of described bearing (4) is connected in groove (54).
5. sand prevention guide wheel according to claim 1, is characterized in that, before described guide wheel, the caping (11) of gland (1) is raised in the edge (12) of the front gland (1) of guide wheel.
6. sand prevention guide wheel according to claim 1, is characterized in that, before described anti-sand cover (5) and guide wheel main body (2) and guide wheel, between gland (1) and guide wheel main body (2), has sealing gasket.
7. sand prevention guide wheel according to claim 6, is characterized in that, described sealing gasket is quality of rubber materials.
8. sand prevention guide wheel according to claim 1, is characterized in that, before described guide wheel, the cylinder head (51) of gland (1), guide wheel main body (2) and anti-sand cover (5) is provided with corresponding screw hole, and is connected by screw together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320680566.4U CN203579922U (en) | 2013-10-30 | 2013-10-30 | Sand proof guide wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320680566.4U CN203579922U (en) | 2013-10-30 | 2013-10-30 | Sand proof guide wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203579922U true CN203579922U (en) | 2014-05-07 |
Family
ID=50577888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320680566.4U Expired - Lifetime CN203579922U (en) | 2013-10-30 | 2013-10-30 | Sand proof guide wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203579922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216129A (en) * | 2015-10-30 | 2016-01-06 | 浙江辉弘光电能源有限公司 | A kind of silicon chip cutter pulley structure |
-
2013
- 2013-10-30 CN CN201320680566.4U patent/CN203579922U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216129A (en) * | 2015-10-30 | 2016-01-06 | 浙江辉弘光电能源有限公司 | A kind of silicon chip cutter pulley structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151225 Address after: 064100 New Technology Industrial Park, Tangshan City County, Hebei, Yutian Patentee after: YUTIAN COUNTY CHANGTONG ELECTRONICS Co.,Ltd. Address before: 064100 Tangshan City County, Hebei province Yutian County Electronic Street Chang Tong Electronics Co., Ltd. Patentee before: Zhang Bo |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |