CN220660435U - Lower grinding disc main shaft supporting mechanism - Google Patents
Lower grinding disc main shaft supporting mechanism Download PDFInfo
- Publication number
- CN220660435U CN220660435U CN202322370949.8U CN202322370949U CN220660435U CN 220660435 U CN220660435 U CN 220660435U CN 202322370949 U CN202322370949 U CN 202322370949U CN 220660435 U CN220660435 U CN 220660435U
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- China
- Prior art keywords
- frame
- fixed
- limiting
- main shaft
- grinding disc
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- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012938 design process Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model discloses a main shaft supporting mechanism of a lower grinding disc, and relates to the technical field of grinding equipment. The utility model comprises a supporting frame, a locating frame and a limiting frame, wherein the supporting frame comprises two connecting plates and containing holes, the connecting plates are vertically corresponding, the containing holes are formed in the centers of the tops of the two connecting plates, the containing holes between the two connecting plates are formed in an annular array, the limiting frame comprises two connecting blocks which are vertically corresponding, and the locating frame is jointly fixed on one side, away from the containing holes, of the two connecting blocks. The utility model solves the problems that the main shaft is worn to cause eccentric rotation due to long-time abrasion when the main shaft of the lower grinding disc is supported by the supporting frame, the locating frame and the limiting frame, and the main shaft supporting structure has poorer universality, and the utility model has the advantages that: the abrasion between the main shaft and the supporting structure in the supporting process is less, and the universality of the main shaft supporting structure is better.
Description
Technical Field
The utility model belongs to the technical field of grinding equipment, and particularly relates to a main shaft supporting mechanism of a lower grinding disc.
Background
The double-end-face grinding machine is a two-face grinding machine, but actually is a grinding machine capable of grinding and polishing two faces of a workpiece to be polished simultaneously, the working principle is simple, namely, an upper grinding disc, a lower grinding disc and a middle sun wheel of the double-face grinding machine rotate simultaneously, a carrier carries the workpiece to be ground to do reciprocating sun wheel movement between the two grinding discs, and can finish two-face grinding, grinding and polishing of various material workpieces.
1. When the main shaft of the lower grinding disc is supported, sliding friction is generated between the peripheral side and the corresponding structure due to rotation of the main shaft, abrasion is generated between the main shaft and the supporting structure in the sliding friction process, and after the abrasion, the central stability of the main shaft support cannot be ensured, so that the eccentric phenomenon is easy to occur;
2. the diameters of the main shafts of the grinding disks of the double-end-face grinding machines of different types are different, which means that the corresponding supporting structures of the main shafts are different in the design process, different supporting structures are required to be designed for different main shafts, the design task amount is increased in the design process, and the universality of the supporting structures is poor.
Disclosure of Invention
The utility model aims to provide a main shaft supporting mechanism of a lower grinding disc, which solves the problems that the main shaft is worn to cause eccentric rotation and the main shaft supporting structure has poor universality due to long-time wear when the main shaft of the lower grinding disc is supported by arranging a supporting frame, a locating frame and a limiting frame.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a main shaft supporting mechanism of a lower grinding disc, which comprises a supporting frame, a locating frame and a limiting frame, wherein the supporting frame comprises two connecting plates which are vertically corresponding and containing holes, the containing holes are formed in the centers of the tops of the two connecting plates which are vertically corresponding, the limiting frame is arranged outside the containing holes between the two connecting plates in an annular array, the locating frame is jointly fixed on one side, away from the containing holes, of the two connecting blocks, and when the main shaft supporting mechanism works, the locating frame and the limiting frame are connected on the supporting frame through the supporting frame, the limiting frame is limited at the position on the supporting frame through the locating frame, and when the limiting frame is used, the supporting frame is used for providing support for a main shaft penetrating through the supporting frame.
Further, the support frame also comprises support rods, the support rods are fixed at four corners between the two connecting plates together, and the support frame enables the two connecting plates to be connected together through the support rods and provides support for the connecting plates at the top ends of the two connecting plates.
Further, the support frame also comprises side plates and limiting channel steel, the side plates are fixed on four sides of the outer side of the connecting plate, symmetrical limiting channel steel is jointly fixed between the upper side and the lower side of the outer side of the connecting plate, the limiting channel steel is connected to the connecting plate through the side plates, and the nut is connected to the limiting channel steel through the limiting channel steel.
Further, the locating rack includes fixed plate, positioning bolt and nut, two one side that the holding hole was kept away from to the connecting block is fixed with the fixed plate jointly, one side that the limiting frame was kept away from to the fixed plate rotates and is connected with a plurality of equidistant positioning bolt, positioning bolt week side threaded connection has the nut, positioning bolt sets up between two mutually symmetrical limiting channel-section steel, the nut of positioning bolt both sides is all fixed in limiting channel-section steel, and the locating rack passes through the fixed plate to be connected with the limiting frame, through rotatory positioning bolt, changes the position of locating rack and limiting frame between two connecting plates.
Further, the limiting frame also comprises a rotating shaft, a limiting disc and a roller, the rotating shaft is fixed on one side, which is close to one side of the connecting block and far away from the positioning frame, of the connecting block, the middle part of the peripheral side of the rotating shaft is sleeved with the roller, the limiting disc is fixed on the peripheral sides of the rotating shafts at the top end and the bottom end of the roller, and the rotating shaft supports the roller on the limiting disc through the limiting disc.
Further, four corners of the bottom of the connecting plate at the bottom end of the supporting rod are all fixed with supporting legs, the bottom ends of the supporting legs are fixed with bottom plates, connecting bolts are connected in the bottom plates in a penetrating and inserting mode at positions symmetrical to the centers of the supporting legs, and the supporting frame is supported on the supporting mechanism through the supporting legs.
The utility model has the following beneficial effects:
1. the utility model solves the problem that the main shaft is worn to cause eccentric rotation due to long-time abrasion when the main shaft of the lower grinding disc is supported by the limiting frame, and the main shaft can rotate to drive the roller to rotate in the working process of the main shaft after being supported, and when the main shaft rotates, the friction required to be supported is only rolling friction with the roller, so that the main shaft is worn more in long-time use.
2. The utility model solves the problem of poor universality of the main shaft supporting structure when the main shaft of the lower grinding disc is supported by arranging the supporting frame, the main shaft is stretched into the supporting frame from the accommodating hole, then the main shaft is inserted into the corresponding installation position for installation, then the positioning bolt is rotated, the positioning bolt is in threaded connection with the nut when in initiative, and the fixing plate is pushed to push the limiting frame to be contacted with the main shaft, so that the main shaft is supported at the moment, and the main shaft supporting structure is suitable for supporting the main shafts with various diameters and has better universality when in use through the adjustment of the positioning frame and the limiting frame.
Drawings
FIG. 1 is a perspective view of an assembled structure of the present utility model;
FIG. 2 is a perspective view of a support structure according to the present utility model;
FIG. 3 is a perspective view of a restraining channel structure in accordance with the present utility model;
FIG. 4 is a perspective view of the structure of the positioning frame of the present utility model;
FIG. 5 is a perspective view of the structure of the restraining frame of the present utility model;
fig. 6 is a perspective view of the support leg structure of the present utility model.
Reference numerals:
100. a support frame; 101. a connecting plate; 102. a receiving hole; 103. a side plate; 104. limiting the channel steel; 105. a support rod; 200. a positioning frame; 201. a fixing plate; 202. positioning bolts; 203. a nut; 300. a limiting frame; 301. a connecting block; 302. a rotating shaft; 303. a restriction plate; 304. a roller; 400. support legs; 401. a bottom plate; 402. and (5) connecting bolts.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-6, the present utility model is a spindle supporting mechanism for a lower grinding disc, including a supporting frame 100, a positioning frame 200 and a limiting frame 300, where the supporting frame 100 includes two connecting plates 101 and a receiving hole 102, the receiving hole 102 is formed in the top center of the two connecting plates 101, the connecting plates 101 connect the positioning frame 200 and the limiting frame 300, the limiting frame 300 is disposed in an annular array outside the receiving hole 102 between the two connecting plates 101 by the receiving hole 102, the limiting frame 300 provides limiting support for the spindle to be supported, the limiting frame 300 includes two connecting blocks 301 corresponding up and down, the two connecting blocks 301 corresponding up and down fix the rotating shaft 302 therebetween, one side of the two connecting blocks 301 away from the receiving hole 102 is jointly fixed with the positioning frame 200, and the positioning frame 200 cooperates with the structure on the supporting frame 100 to position the limiting frame 300 between the two connecting plates 101.
As shown in fig. 1 and 2, the support 100 further includes a support bar 105, where the support bar 105 is commonly fixed at four corners between the two connection plates 101, and the support bar 105 firmly connects the two connection plates 101 together and provides support for the connection plates 101 at the top ends thereof.
As shown in fig. 1-3, the support 100 further includes side plates 103 and limiting channel steels 104, the four sides of the outer sides of the connecting plates 101 are all fixed with the side plates 103, the side plates 103 connect the limiting channel steels 104 with the connecting plates 101 together, symmetrical limiting channel steels 104 are jointly fixed between the upper and lower corresponding side plates 103 of the outer sides of the two connecting plates 101, and nuts 203 are connected in the limiting channel steels 104.
As shown in fig. 1 and 4, the positioning frame 200 includes a fixing plate 201, a positioning bolt 202 and a nut 203, wherein the fixing plate 201 is fixed on one side of the two connecting blocks 301 away from the accommodating hole 102, the fixing plate 201 connects the positioning bolt 202 and the limiting frame 300 together, one side of the fixing plate 201 away from the limiting frame 300 is rotationally connected with a plurality of equidistant positioning bolts 202, the nuts 203 are screwed on the circumferential sides of the positioning bolts 202, the positioning bolts 202 are arranged between two mutually symmetrical limiting channel steels 104, the nuts 203 on two sides of the positioning bolts 202 are fixed in the limiting channel steels 104, the positioning bolts 202 and the nuts 203 are screwed by rotating the positioning bolts 202, and the nuts 203 are fixed in the limiting channel steels 104, so that the position of the limiting frame 300 between the two connecting blocks 101 is changed.
As shown in fig. 1 and 5, the limiting frame 300 further includes a rotating shaft 302, a limiting disc 303 and a roller 304, wherein the rotating shaft 302 is fixed on one side, which is close to one another, of the upper and lower corresponding connecting blocks 301 and is far away from the positioning frame 200, the rotating shaft 302 connects the roller 304 thereon, the middle part of the peripheral side of the rotating shaft 302 is sleeved with the roller 304, when the roller 304 works, the roller 304 contacts with a corresponding spindle to provide support for the spindle, the limiting discs 303 are fixed on the peripheral sides of the rotating shaft 302 at the top end and the bottom end of the roller 304, and the limiting discs 303 are used for limiting the positions of the roller 304 on the peripheral sides of the rotating shaft 302.
As shown in fig. 1, 2 and 6, four corners of the bottom end of the supporting rod 105, which are connected with the bottom of the plate 101, are all fixed with supporting legs 400, the supporting legs 400 support the supporting frame 100 on a bottom plate 401, the bottom ends of the supporting legs 400 are fixed with a bottom plate 401, the bottom plate 401 supports the supporting legs 400 on a supporting mechanism, connecting bolts 402 are inserted in the bottom plate 401 in a penetrating manner at positions symmetrical to the centers of the supporting legs 400, and the connecting bolts 402 are connected with a fixing mechanism in a threaded manner after being inserted into the bottom plate 401, so that the support structure can be connected with the support structure.
The specific working principle of the utility model is as follows: when the device works, firstly, the position of a main shaft to be supported is determined, then the accommodating hole 102 on the connecting plate 101 is aligned with the corresponding main shaft installation position, the supporting frame 100 is supported on a supporting structure through the bottom plate 401 at the bottom end of the supporting leg 400, then the connecting bolt 402 is inserted into the bottom plate 401 and is in threaded connection with the corresponding supporting mechanism, so that the device is supported on the supporting mechanism, then the main shaft extends into the supporting frame 100 from the accommodating hole 102 and is installed at the corresponding installation position, then the positioning bolt 202 is rotated, the positioning bolt 202 is in threaded connection with the nut 203 when in initiative, the fixing plate 201 is pushed, the limiting frame 300 is pushed to be in contact with the main shaft, at the moment, the main shaft is supported, the rotation of the main shaft can drive the roller 304 to rotate in the working process of the main shaft, and the friction required to be supported is only rolling friction between the main shaft and the roller 304 when the main shaft rotates.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.
Claims (6)
1. The utility model provides a lower grinding disc main shaft supporting mechanism, includes support frame (100), locating rack (200) and limit frame (300), its characterized in that: the support frame (100) comprises two connecting plates (101) and containing holes (102) which correspond up and down, the containing holes (102) are formed in the center of the top of each connecting plate (101) in a penetrating mode, limiting frames (300) are arranged on the outer sides of the containing holes (102) between the two connecting plates (101) in an annular array mode, each limiting frame (300) comprises two connecting blocks (301) which correspond up and down, and one sides, away from the containing holes (102), of each connecting block (301) are fixedly provided with positioning frames (200) together.
2. A lower grinding disc spindle support mechanism according to claim 1, wherein: the support frame (100) further comprises support rods (105), and the support rods (105) are commonly fixed at four corners between the two connecting plates (101).
3. A lower grinding disc spindle support mechanism according to claim 1, wherein: the support frame (100) further comprises side plates (103) and limiting channel steel (104), the side plates (103) are fixed on four sides of the outer side of the connecting plate (101), and symmetrical limiting channel steel (104) is jointly fixed between the side plates (103) corresponding to the upper side and the lower side of the outer side of the connecting plate (101).
4. A lower grinding disc spindle support mechanism according to claim 3, wherein: the locating rack (200) is fixed with fixed plate (201) jointly including fixed plate (201), locating bolt (202) and nut (203) in one side that holding hole (102) was kept away from to two connecting block (301), one side rotation that limiting frame (300) was kept away from to fixed plate (201) is connected with a plurality of equidistance locating bolt (202), locating bolt (202) week side threaded connection has nut (203), locating bolt (202) set up between two mutually symmetrical limiting channel-section steel (104), nut (203) of locating bolt (202) both sides are all fixed in limiting channel-section steel (104).
5. A lower grinding disc spindle support mechanism according to claim 1, wherein: the limiting frame (300) further comprises a rotating shaft (302), a limiting disc (303) and a roller (304), wherein the rotating shaft (302) is fixed on one side, far away from the locating frame (200), of the connecting block (301) which corresponds up and down, the middle part of the peripheral side of the rotating shaft (302) is sleeved with the roller (304), and the limiting discs (303) are fixed on the peripheral sides of the rotating shaft (302) at the top end and the bottom end of the roller (304).
6. A lower grinding disc spindle support mechanism according to claim 2, wherein: support legs (400) are fixed at four corners of the bottom of the support rod (105) bottom connecting plate (101), a bottom plate (401) is fixed at the bottom end of the support legs (400), and connecting bolts (402) are inserted in the bottom plate (401) in a penetrating mode at positions symmetrical to the centers of the support legs (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322370949.8U CN220660435U (en) | 2023-09-01 | 2023-09-01 | Lower grinding disc main shaft supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322370949.8U CN220660435U (en) | 2023-09-01 | 2023-09-01 | Lower grinding disc main shaft supporting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220660435U true CN220660435U (en) | 2024-03-26 |
Family
ID=90342776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322370949.8U Active CN220660435U (en) | 2023-09-01 | 2023-09-01 | Lower grinding disc main shaft supporting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220660435U (en) |
-
2023
- 2023-09-01 CN CN202322370949.8U patent/CN220660435U/en active Active
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| GR01 | Patent grant |