CN203622198U - Novel three-point supporting screw rod structure - Google Patents
Novel three-point supporting screw rod structure Download PDFInfo
- Publication number
- CN203622198U CN203622198U CN201320618286.0U CN201320618286U CN203622198U CN 203622198 U CN203622198 U CN 203622198U CN 201320618286 U CN201320618286 U CN 201320618286U CN 203622198 U CN203622198 U CN 203622198U
- Authority
- CN
- China
- Prior art keywords
- connection
- fixed
- connecting portion
- leading screw
- sleeve
- 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 - Fee Related
Links
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a novel three-point supporting screw rod structure which comprises a connection screw rod (1) and a sliding sleeve (2). The sliding sleeve (2) is in threaded connection with the connection screw rod (1) and fixed onto a carriage (3), and a left-end connection portion (11) of the connection screw rod (1) is hinged to a connection seat (4) while a right-end connection portion (12) of the connection screw rod (1) is hinged to a connection block (5). The top of the right-end connection portion (12) of the connection screw rod (1) is fixed with an output shaft of a motor (6), and the connection seat (4) and the connection block (5) are fixed onto a frame. The connection seat (4) and the connection block (5) are hinged to the left-end connection portion (11) and the right-end connection portion (12) of the connection screw rod (1) respectively to guarantee the connection screw rod (1) to be kept parallel to the horizontal plane, and bending of the connection screw rod (1) is avoided.
Description
Technical field:
The utility model relates to bearing machining equipment technical field, relates in particular the novel supported at three point screw structure using on a kind of grinding machine.
Background technology:
The screw structure using on existing grinding machine as shown in Figure 1, it is on leading screw 1a, to be bolted with sliding sleeve 2a, sliding sleeve 2a is fixed on planker, the right-hand member connecting portion 3a of leading screw 1a is fixed in the inner ring of two sliding bearing 5a that are fixed with in contiguous block 4a, the top of right-hand member connecting portion 3a fixes by the output shaft of shaft coupling 6a and motor 7a, it is in the time of operation, owing to only having contiguous block 4a to support as right-hand member, and leading screw 1a left end does not support, and the sliding sleeve 2a that middle part is bolted with is fixed on planker, form two fulcrum screw structures, due to leading screw, 1a is long, in the time that sliding sleeve 2a moves to the right side of leading screw 1a, the left end of leading screw 1a can be downward-sloping, the longitudinal center line of screw mandrel 1a cannot be paralleled with horizontal plane, of long duration, sliding sleeve 2a cannot steadily be moved on leading screw 1a, affect the normal movement of planker, and on existing contiguous block 4a, only have two sliding bearing 5a as support, it is little that it bears strength, easily damage.
Utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of novel supported at three point screw structure is provided, it is connecting on the left end connecting portion of leading screw and right-hand member connecting portion, be articulated and connected respectively seat and contiguous block, guarantee leading screw and horizontal plane keeping parallelism, can not make to connect leading screw bending, meanwhile, on its Connection Block and contiguous block, respectively be fixed with three sliding bearings as support, it is large that it bears strength, reduces and damage.
The scheme that the utility model solve the technical problem is:
A kind of novel supported at three point screw structure, comprise and connect leading screw and sliding sleeve, sliding sleeve is screwed onto and connects on leading screw, sliding sleeve is fixed on planker, the left end connecting portion of described connection leading screw is hinged on Connection Block, right-hand member connecting portion is hinged on contiguous block, the top of right-hand member connecting portion and the output shaft of motor that connect leading screw fix, and Connection Block and contiguous block are fixed in frame.
In described Connection Block, be provided with three sliding bearings, three sliding bearings are pressed against together side by side mutually, sliding bearing sleeve is on the central through hole of Connection Block, and the outer ring outer wall holding of sliding bearing is on central through hole inwall, and the left end connecting portion of connection wire rod is fixed in the inner ring of sliding bearing.
The two ends of described Connection Block have all been bolted to connection end cap, two equal sleeves of end cap are on the left end connecting portion of connection wire rod, the top right-to-left of the left end connecting portion of connection wire rod is inserted with successively spacer and is bolted with two locking nuts, spacer sleeve is on the end cap in left side and be pressed against on the left side of sliding bearing of the leftmost side, the locking nut of keeping right is pressed against on spacer, and another locking nut is pressed against on the locking nut of keeping right.
In described contiguous block, be provided with shaft coupling, in the through hole of the left end of contiguous block, be provided with three sliding bearings, three sliding bearings are pressed against together side by side mutually, sliding bearing sleeve is on through hole, the outer ring outer wall holding of sliding bearing is on the inwall of through hole, the right-hand member connecting portion that connects leading screw is fixed in the inner ring of sliding bearing, motor is fixed on the right side of contiguous block, the output shaft sleeve of motor is in the connecting through hole of the right-hand member of contiguous block and be fixed on the right side of shaft coupling, and the top that connects the right-hand member connecting portion of leading screw is fixed on the left side of shaft coupling.
On the left side of described contiguous block, be fixed with gland, gland sleeve is connecting on leading screw, on the right-hand member connecting portion of connection leading screw, be also inserted with fixed cover and be bolted with two locking nuts, fixed cover sleeve in the through hole of contiguous block, its left side is pressed against on the right side of sliding bearing of the rightmost side, the locking nut keeping left is pressed against on the right side of fixed cover, and another locking nut is pressed against on the locking nut keeping left.
Outstanding effect of the present utility model is:
Compared with prior art, it is connecting on the left end connecting portion of leading screw and right-hand member connecting portion, be articulated and connected respectively seat and contiguous block, guarantee leading screw and horizontal plane keeping parallelism, can not make to connect leading screw bending, simultaneously, on its Connection Block and contiguous block, be respectively fixed with three sliding bearings as support, it is large that it bears strength, reduces and damage.
Accompanying drawing explanation:
Fig. 1 is the structural representation of existing screw structure;
Fig. 2 is perspective view of the present utility model;
Fig. 3 is that the utility model is arranged on the structural representation on planker;
Fig. 4 is structural representation of the present utility model;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Fig. 6 is another place's partial enlarged drawing of Fig. 4.
The specific embodiment:
Embodiment, see as shown in Fig. 2 to 6, a kind of novel supported at three point screw structure, comprise and connect leading screw 1 and sliding sleeve 2, sliding sleeve 2 is screwed onto and connects on leading screw 1, and sliding sleeve 2 is fixed on planker 3, and the left end connecting portion 11 of described connection leading screw 1 is hinged on Connection Block 4, right-hand member connecting portion 12 is hinged on contiguous block 5, the top of right-hand member connecting portion 12 and the output shaft of motor 6 that connect leading screw 1 fix, and Connection Block 4 and contiguous block 5 are fixed in frame.
In described Connection Block 4, be provided with three sliding bearings 7, three sliding bearings 7 are pressed against together side by side mutually, sliding bearing 7 sleeves are on the central through hole 41 of Connection Block 4, the outer ring outer wall holding of sliding bearing 7 is on central through hole 41 inwalls, and the left end connecting portion 11 of connection wire rod 1 is fixed in the inner ring of sliding bearing 7.
The two ends of described Connection Block 4 have all been bolted to connection end cap 42, two equal sleeves of end cap 42 are on the left end connecting portion 11 of connection wire rod 1, the top right-to-left of the left end connecting portion 11 of connection wire rod 1 is inserted with successively spacer 43 and is bolted with two locking nuts 44, spacer 43 sleeves are on the end cap 42 in left side and be pressed against on the left side of sliding bearing 7 of the leftmost side, the locking nut 44 of keeping right is pressed against on spacer 43, and another locking nut 44 is pressed against on the locking nut 44 of keeping right.
In described contiguous block 5, be provided with shaft coupling 8, in the through hole 51 of the left end of contiguous block 5, be provided with three sliding bearings 7, three sliding bearings 7 are pressed against together side by side mutually, sliding bearing 7 sleeves are on through hole 51, the outer ring outer wall holding of sliding bearing 7 is on the inwall of through hole 51, the right-hand member connecting portion 12 that connects leading screw 1 is fixed in the inner ring of sliding bearing 7, motor 6 is fixed on the right side of contiguous block 5, the output shaft sleeve of motor 6 is in the connecting through hole 52 of the right-hand member of contiguous block 5 and be fixed on the right side of shaft coupling 8, the top that connects the right-hand member connecting portion 12 of leading screw 1 is fixed on the left side of shaft coupling 8.
On the left side of described contiguous block 5, be fixed with gland 52, gland 52 sleeves are connecting on leading screw 1, on the right-hand member connecting portion 12 of connection leading screw 1, be also inserted with fixed cover 53 and be bolted with two locking nuts 44, fixed cover 53 sleeves in the through hole 51 of contiguous block 5, its left side is pressed against on the right side of sliding bearing 7 of the rightmost side, the locking nut 44 keeping left is pressed against on the right side of fixed cover 53, and another locking nut 44 is pressed against on the locking nut 44 keeping left.
Operation principle: the motor 6 that the utility model adopts can be servomotor, and with the accuracy that guarantees that planker 3 moves left and right, motor 6 and contiguous block 5 are in case 20.
The output shaft rotation of its motor 6, drive connection leading screw 1 to rotate, make to be screwed onto the sliding sleeve 2 connecting on leading screw 1 and move left and right, and sliding sleeve 2 is to be fixed in the fixed block 10 that the back shape of planker 3 has, and just drives planker 3 to move left and right when sliding sleeve 2 moves like this.
The left end connecting portion 11 that connects leading screw 1 is hinged on Connection Block 4, right-hand member connecting portion 12 is hinged on contiguous block 5, sliding sleeve 2 is screwed onto and connects on leading screw 1, make like this to connect the left end of leading screw 1, all there is the strong point at right-hand member and middle part, produce supported at three point, guaranteeing to connect leading screw 1 in use can not tilt, make sliding sleeve 2 connect in leading screw 1 can steady and smooth movement, and in Connection Block 4, be provided with three sliding bearings 7, in the through hole 51 of the left end of contiguous block 5, be provided with three sliding bearings 7, three sliding bearings 7 are as supporting, it is large that it bears strength, reduce and damage, more guarantee that sliding sleeve 2 is in the steady movement connecting on leading screw 1.
Claims (5)
1. a novel supported at three point screw structure, comprise and connect leading screw (1) and sliding sleeve (2), sliding sleeve (2) is screwed onto and connects on leading screw (1), sliding sleeve (2) is fixed on planker (3), it is characterized in that: the left end connecting portion (11) of described connection leading screw (1) is hinged on Connection Block (4), right-hand member connecting portion (12) is hinged on contiguous block (5), the top of right-hand member connecting portion (12) and the output shaft of motor (6) that connect leading screw (1) fix, and Connection Block (4) and contiguous block (5) are fixed in frame.
2. the novel supported at three point screw structure of one according to claim 1, it is characterized in that: in described Connection Block (4), be provided with three sliding bearings (7), three sliding bearings (7) are pressed against together side by side mutually, sliding bearing (7) sleeve is on the central through hole (41) of Connection Block (4), the outer ring outer wall holding of sliding bearing (7) is on central through hole (41) inwall, and the left end connecting portion (11) of connection wire rod (1) is fixed in the inner ring of sliding bearing (7).
3. the novel supported at three point screw structure of one according to claim 2, it is characterized in that: the two ends of described Connection Block (4) have all been bolted to connection end cap (42), the equal sleeve of two end caps (42) is on the left end connecting portion (11) of connection wire rod (1), the top right-to-left of the left end connecting portion (11) of connection wire rod (1) is inserted with successively spacer (43) and is bolted with two locking nuts (44), spacer (43) sleeve is gone up and is pressed against at the end cap (42) in left side on the left side of sliding bearing (7) of the leftmost side, the locking nut (44) of keeping right is pressed against on spacer (43), another locking nut (44) is pressed against on the locking nut (44) of keeping right.
4. the novel supported at three point screw structure of one according to claim 1, it is characterized in that: in described contiguous block (5), be provided with shaft coupling (8), in the through hole (51) of the left end of contiguous block (5), be provided with three sliding bearings (7), three sliding bearings (7) are pressed against together side by side mutually, sliding bearing (7) sleeve is on through hole (51), the outer ring outer wall holding of sliding bearing (7) is on the inwall of through hole (51), the right-hand member connecting portion (12) that connects leading screw (1) is fixed in the inner ring of sliding bearing (7), motor (6) is fixed on the right side of contiguous block (5), the output shaft sleeve of motor (6) is in the connecting through hole (52) of the right-hand member of contiguous block (5) and be fixed on the right side of shaft coupling (8), the top that connects the right-hand member connecting portion (12) of leading screw (1) is fixed on the left side of shaft coupling (8).
5. the novel supported at three point screw structure of one according to claim 4, it is characterized in that: on the left side of described contiguous block (5), be fixed with gland (52), gland (52) sleeve is connecting on leading screw (1), on the right-hand member connecting portion (12) of connection leading screw (1), be also inserted with fixed cover (53) and be bolted with two locking nuts (44), fixed cover (53) sleeve is in the through hole (51) of contiguous block (5), its left side is pressed against on the right side of sliding bearing (7) of the rightmost side, the locking nut (44) keeping left is pressed against on the right side of fixed cover (53), another locking nut (44) is pressed against on the locking nut (44) keeping left.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618286.0U CN203622198U (en) | 2013-10-08 | 2013-10-08 | Novel three-point supporting screw rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618286.0U CN203622198U (en) | 2013-10-08 | 2013-10-08 | Novel three-point supporting screw rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203622198U true CN203622198U (en) | 2014-06-04 |
Family
ID=50808716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320618286.0U Expired - Fee Related CN203622198U (en) | 2013-10-08 | 2013-10-08 | Novel three-point supporting screw rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203622198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112660006A (en) * | 2021-02-18 | 2021-04-16 | 徐海峰 | Automatic vehicle conveying equipment based on reinforced concrete pipe |
-
2013
- 2013-10-08 CN CN201320618286.0U patent/CN203622198U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112660006A (en) * | 2021-02-18 | 2021-04-16 | 徐海峰 | Automatic vehicle conveying equipment based on reinforced concrete pipe |
| CN112918358A (en) * | 2021-02-18 | 2021-06-08 | 徐海峰 | Vehicle automatic integral unloading and loading method based on reinforced concrete pipe |
| CN112918358B (en) * | 2021-02-18 | 2022-09-23 | 山东圣东混凝土有限公司 | Vehicle automatic integral unloading and loading method based on reinforced concrete pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203125065U (en) | Simple pipe assembly device | |
| CN203875594U (en) | Automobile front row seat assembling mechanism | |
| CN104786224A (en) | Human-simulated robot lower jaw chewing movement mechanism | |
| CN203184854U (en) | Vertical roll sliding block adjusting device | |
| CN203622198U (en) | Novel three-point supporting screw rod structure | |
| CN103507051A (en) | Rotation opening mechanism of rotary examining table | |
| CN206185050U (en) | Quick adjustment formula automatic stamping and bending machine | |
| CN204235015U (en) | For the clamping and positioning device of arc welding | |
| CN208683471U (en) | A kind of electric pole pier head machine clamping device | |
| CN205769708U (en) | A kind of electric motor car automatic electric foot rest | |
| CN204547505U (en) | A kind of drawing pencil automatic cutting device | |
| CN202943526U (en) | Double-support grinding mechanism with detachable grinding rod | |
| CN204061650U (en) | A kind of rotating equipment locking device | |
| CN202779284U (en) | Special adjusting draw bar for stainless steel car roof frame | |
| CN204234841U (en) | A kind of connecting rod tongue and groove milling machine | |
| CN205715551U (en) | Adjustable worm structure | |
| CN211588414U (en) | Cold extrusion's that can fix a position movable mould of cold mound machine | |
| CN203330597U (en) | Auxiliary frame for welding | |
| CN220761821U (en) | Mechanical arm of numerical control machine tool | |
| CN202461926U (en) | Demounting tool for rotating head of encoder | |
| CN212094012U (en) | Terrace die structure of compressor housing one-time stretching station | |
| CN203920142U (en) | Cam profile curve plotter | |
| CN211277915U (en) | Clamping device for polishing bearing | |
| CN203356243U (en) | Translational feeding device of extruding machine | |
| CN203418068U (en) | Eccentric transmission type cutter riveting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20141008 |
|
| EXPY | Termination of patent right or utility model |