CN203993168U - A kind of adjustable type centre frame that facilitates - Google Patents
A kind of adjustable type centre frame that facilitates Download PDFInfo
- Publication number
- CN203993168U CN203993168U CN201420333196.1U CN201420333196U CN203993168U CN 203993168 U CN203993168 U CN 203993168U CN 201420333196 U CN201420333196 U CN 201420333196U CN 203993168 U CN203993168 U CN 203993168U
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- CN
- China
- Prior art keywords
- radiai adjustment
- frame
- adjustment mechanism
- lower frame
- bevel gear
- 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
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Abstract
The utility model relates to a kind of adjustable type centre frame that facilitates.Along annular frame circumferencial direction, be evenly laid with San Ge radiai adjustment mechanism, radiai adjustment mechanism comprises the radiai adjustment hole being located on annular frame, in radiai adjustment hole, be provided with an annular sliding sleeve being slidably connected with it, end at annular sliding sleeve is provided with a roller devices being flexibly connected with it, one screw mandrel stretches into annular sliding sleeve and is threaded with it, in the outer end in radiai adjustment hole, be provided with an end cap being connected with wire rod thread that stretches into radiai adjustment hole, the part that stretches into radiai adjustment hole at end cap is provided with a clutch shaft bearing being set on screw mandrel, one horizontally disposed rotating shaft is stretched in the beam barrel chamber of lower frame bottom and is flexibly connected with it, top at the screw mandrel near in the radiai adjustment mechanism of the first bevel gear is provided with second bevel gear being meshed with the first bevel gear.The utility model has reduced workman's adjusting difficulty, has shortened the adjusting time, has reduced workman's labour intensity, has improved operating efficiency.
Description
Technical field:
The utility model relates to a kind of adjustable type centre frame that facilitates.
Background technology:
In machining industry, particularly, in the machining of slender piece, in order to prevent workpiece to be subject to the effect of radial cutting force, produce flexural deformation, common central frame is as aiding support, to increase workpiece rigidity.When lathe processing larger diameter bar, need the centre frame can be larger, because centre frame is supported at three point, first strong point is above support body central authorities, second strong point and the 3rd strong point are in the left and right sides of support body central authorities, and when regulating support, workman need to run to regulate in the left and right sides of lathe second strong point and the 3rd strong point back and forth, operation is wasted time and energy, inefficiency.
Utility model content:
The utility model provides a kind of adjustable type centre frame that facilitates, and the adjusting difficulty that it has reduced workman, has shortened the adjusting time, has reduced workman's labour intensity, has improved operating efficiency, has solved problems of the prior art.
The utility model is to solve the problems of the technologies described above adopted technical scheme to be: it comprises upper frame and lower frame, one side of upper frame and lower frame is hinged, opposite side is provided with the fixture that connects upper frame and lower frame, upper frame and lower frame form an annular frame, along annular frame circumferencial direction, be evenly laid with San Ge radiai adjustment mechanism, radiai adjustment mechanism comprises the radiai adjustment hole being located on annular frame, in radiai adjustment hole, be provided with an annular sliding sleeve being slidably connected with it, end at annular sliding sleeve is provided with a roller devices being flexibly connected with it, one screw mandrel stretches into annular sliding sleeve and is threaded with it, in the outer end in radiai adjustment hole, be provided with an end cap being connected with wire rod thread that stretches into radiai adjustment hole, the part that stretches into radiai adjustment hole at end cap is provided with a clutch shaft bearing being set on screw mandrel, the position of the corresponding screw mandrel tie down screw that is threaded on the sidewall in radiai adjustment hole, one horizontally disposed rotating shaft is stretched in the beam barrel chamber of lower frame bottom and is flexibly connected with it, one end of rotating shaft and the first bevel gear are connected, top at the screw mandrel near in the radiai adjustment mechanism of the first bevel gear is provided with second bevel gear being meshed with the first bevel gear, in lower frame bottom, be provided with the sliding-rail groove matching with lathe slide rail, below lower frame, be provided with base plate, the clamping screw penetrating from base plate bottom stretches in the cavity of lower frame bottom and is connected with nut.
At the middle part of upper frame, be provided with the first radiai adjustment mechanism, in the left and right sides of lower frame, be respectively equipped with the second radiai adjustment mechanism and San radiai adjustment mechanism, the angle between the first radiai adjustment mechanism, the second radiai adjustment mechanism and San radiai adjustment mechanism is 120 °; The first bevel gear that is located at rotating shaft one end is meshed with the second bevel gear on San radiai adjustment mechanism screw mandrel, and the other end of rotating shaft and the second radiai adjustment mechanism are positioned at the same side.
Described fixture comprises that one through the lock shaft that stretches into lower frame after upper frame, in upper frame bottom, be provided with the second bearing and the butterfly spring being sheathed on lock shaft, the upper end of butterfly spring and the second bearing connect, the lower end of butterfly spring and the upper end of lower frame connect, one nut that is positioned at upper frame top is connected with the thread segment of lock shaft upper end, is provided with a cushion block being sheathed on lock shaft between nut and upper frame.
Described roller devices is the 3rd bearing.
The utility model adopts such scheme, has reduced workman's adjusting difficulty, has shortened the adjusting time, has reduced workman's labour intensity, has improved operating efficiency.
Accompanying drawing explanation:
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is that sectional structure schematic diagram is looked on the right side of Fig. 1.
In figure, 1, upper frame, 2, lower frame, 3, radiai adjustment hole, 4, annular sliding sleeve, the 5, the 3rd bearing, 6, screw mandrel, 7, end cap, 8, clutch shaft bearing, 9, tie down screw, 10, rotating shaft, 11, beam barrel chamber, 12, the first bevel gear, the 13, second bevel gear, 14, sliding-rail groove, 15, base plate, 16, clamping screw, 17, lock shaft, the 18, second bearing, 19, butterfly spring, 20, the first nut, 21, cushion block, 22, cavity, the 23, second nut.
The specific embodiment:
For clearly demonstrating the technical characterstic of this programme, below by the specific embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.
As shown in Fig. 1～Fig. 2, the utility model comprises upper frame 1 and lower frame 2, and a side of upper frame 1 and lower frame 2 is hinged, and opposite side is provided with the fixture that connects upper frame 1 and lower frame 2.Upper frame 1 and lower frame 2 form an annular frame, along annular frame circumferencial direction, are evenly laid with San Ge radiai adjustment mechanism.At the middle part of upper frame 1, be provided with the first radiai adjustment mechanism, in the left and right sides of lower frame 2, be respectively equipped with the second radiai adjustment mechanism and San radiai adjustment mechanism, the angle between the first radiai adjustment mechanism, the second radiai adjustment mechanism and San radiai adjustment mechanism is 120 °.Radiai adjustment mechanism comprises the radiai adjustment hole 3 being located on annular frame, in radiai adjustment hole 3, be provided with an annular sliding sleeve 4 being slidably connected with it, end at annular sliding sleeve 4 is provided with a roller devices being flexibly connected with it, one screw mandrel 6 stretches into annular sliding sleeve 4 and is threaded with it, in the outer end in radiai adjustment hole 3, be provided with an end cap 7 being threaded with screw mandrel 6 that stretches into radiai adjustment hole 3, the part that stretches into radiai adjustment hole 3 at end cap 7 is provided with a clutch shaft bearing 8 being set on screw mandrel 6, the position of corresponding screw mandrel 6 tie down screw 9 that is threaded on the sidewall in radiai adjustment hole 3.Roller devices is the 3rd bearing 5.One horizontally disposed rotating shaft 10 is stretched in the beam barrel chamber 11 of lower frame 2 bottoms and is flexibly connected with it, one end of rotating shaft 10 and the first bevel gear 12 are connected, the first bevel gear 12 is meshed with the second bevel gear 13 on San radiai adjustment mechanism screw mandrel, and the other end of rotating shaft 10 and the second radiai adjustment mechanism are positioned at the same side.In lower frame 2 bottoms, be provided with the sliding-rail groove 14 matching with lathe slide rail, be provided with base plate 15 below lower frame 2, the clamping screw 16 penetrating from base plate 15 bottoms stretches in the cavity 22 of lower frame 2 bottoms and is connected with the second nut 23.Fixture comprises that one through the lock shaft 17 that stretches into lower frame 2 after upper frame 1, in upper frame 1 bottom, be provided with the second bearing 18 and the butterfly spring 19 being sheathed on lock shaft 17, the upper end of butterfly spring 19 and the second bearing 18 connect, the upper end of the lower end of butterfly spring 19 and lower frame 2 connects, one the first nut 20 that is positioned at upper frame 1 top is connected with the thread segment of lock shaft 17 upper ends, is provided with a cushion block 21 being sheathed on lock shaft 17 between nut 20 and upper frame 1.
Before use, the sliding-rail groove 14 of the utility model lower frame 2 bottoms is matched with lathe slide rail, along lathe slide rail, the utility model is moved to suitable position, then tighten the second nut 23, the utility model is fixed on lathe slide rail.During use, with instrument, regulate the screw mandrel 6 in the first radiai adjustment mechanism and the second radiai adjustment mechanism to rotate, make the annular sliding sleeve 4 being threaded with screw mandrel 6 in the first radiai adjustment mechanism, the second radiai adjustment mechanism drive the 3rd bearings 5 to arrive suitable position, then use instrument rotating shaft 10, by the first bevel gear 12, the second bevel gear 13, drive the 3rd radiai adjustment mechanism action, thereby make the annular sliding sleeve 4 in San radiai adjustment mechanism move to suitable position, the 3rd bearing 5 in Shi Sange radiai adjustment mechanism adds clamping of workpieces.Because the first bevel gear 12 that is located at rotating shaft 10 one end is meshed with the second bevel gear 13 on San radiai adjustment mechanism screw mandrel 6, the other end of rotating shaft 10 and the second radiai adjustment mechanism are positioned at the same side, therefore when regulating support, workman carrys out fallback without the left and right sides at lathe, only need just can complete the adjusting of three strong points in this side of the second radiai adjustment mechanism, reduced workman's adjusting difficulty, shortened the adjusting time, the labour intensity that has reduced workman, has improved operating efficiency.During work there is rotation in the same way with workpiece in the 3rd bearing 5, is mainly rolling friction between the two, concerning workpiece and the 3rd bearing 5, weares and teares all very little, improved like this repetitive positioning accuracy of workpiece, and then improved the machining accuracy of workpiece.In order to lock the position of the 3rd bearing 5, guarantee the axiality of the workpiece in production, tighten the tie down screw 9 in San Ge radiai adjustment mechanism, make radiai adjustment mechanism there is stable support force.
The above-mentioned specific embodiment can not be as the restriction to the utility model protection domain, and for those skilled in the art, any alternate modification that the utility model embodiment is made or conversion all drop in protection domain of the present utility model.
The utility model does not describe part in detail, is those skilled in the art of the present technique's known technology.
Claims (4)
1. one kind facilitates adjustable type centre frame, it is characterized in that: comprise upper frame and lower frame, one side of upper frame and lower frame is hinged, opposite side is provided with the fixture that connects upper frame and lower frame, upper frame and lower frame form an annular frame, along annular frame circumferencial direction, be evenly laid with San Ge radiai adjustment mechanism, radiai adjustment mechanism comprises the radiai adjustment hole being located on annular frame, in radiai adjustment hole, be provided with an annular sliding sleeve being slidably connected with it, end at annular sliding sleeve is provided with a roller devices being flexibly connected with it, one screw mandrel stretches into annular sliding sleeve and is threaded with it, in the outer end in radiai adjustment hole, be provided with an end cap being connected with wire rod thread that stretches into radiai adjustment hole, the part that stretches into radiai adjustment hole at end cap is provided with a clutch shaft bearing being set on screw mandrel, the position of the corresponding screw mandrel tie down screw that is threaded on the sidewall in radiai adjustment hole, one horizontally disposed rotating shaft is stretched in the beam barrel chamber of lower frame bottom and is flexibly connected with it, one end of rotating shaft and the first bevel gear are connected, top at the screw mandrel near in the radiai adjustment mechanism of the first bevel gear is provided with second bevel gear being meshed with the first bevel gear, in lower frame bottom, be provided with the sliding-rail groove matching with lathe slide rail, below lower frame, be provided with base plate, the clamping screw penetrating from base plate bottom stretches in the cavity of lower frame bottom and is connected with nut.
2. a kind of adjustable type centre frame that facilitates according to claim 1, it is characterized in that: at the middle part of upper frame, be provided with the first radiai adjustment mechanism, in the left and right sides of lower frame, be respectively equipped with the second radiai adjustment mechanism and San radiai adjustment mechanism, the angle between the first radiai adjustment mechanism, the second radiai adjustment mechanism and San radiai adjustment mechanism is 120 °; The first bevel gear that is located at rotating shaft one end is meshed with the second bevel gear on San radiai adjustment mechanism screw mandrel, and the other end of rotating shaft and the second radiai adjustment mechanism are positioned at the same side.
3. a kind of adjustable type centre frame that facilitates according to claim 1, it is characterized in that: described fixture comprises that one through the lock shaft that stretches into lower frame after upper frame, in upper frame bottom, be provided with the second bearing and the butterfly spring being sheathed on lock shaft, the upper end of butterfly spring and the second bearing connect, the lower end of butterfly spring and the upper end of lower frame connect, one nut that is positioned at upper frame top is connected with the thread segment of lock shaft upper end, is provided with a cushion block being sheathed on lock shaft between nut and upper frame.
4. according to a kind of adjustable type centre frame that facilitates described in claim 1 or 2 or 3, it is characterized in that: described roller devices is the 3rd bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333196.1U CN203993168U (en) | 2014-06-20 | 2014-06-20 | A kind of adjustable type centre frame that facilitates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333196.1U CN203993168U (en) | 2014-06-20 | 2014-06-20 | A kind of adjustable type centre frame that facilitates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203993168U true CN203993168U (en) | 2014-12-10 |
Family
ID=52033231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420333196.1U Expired - Fee Related CN203993168U (en) | 2014-06-20 | 2014-06-20 | A kind of adjustable type centre frame that facilitates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203993168U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015063A (en) * | 2014-06-20 | 2014-09-03 | 泰安海威数控机床有限公司 | Conveniently adjustable central frame |
| CN104526370A (en) * | 2014-12-13 | 2015-04-22 | 天水星火机床有限责任公司 | Center rest for crank shaft rod journal lathe |
-
2014
- 2014-06-20 CN CN201420333196.1U patent/CN203993168U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015063A (en) * | 2014-06-20 | 2014-09-03 | 泰安海威数控机床有限公司 | Conveniently adjustable central frame |
| CN104526370A (en) * | 2014-12-13 | 2015-04-22 | 天水星火机床有限责任公司 | Center rest for crank shaft rod journal lathe |
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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: 20141210 Termination date: 20160620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |