CN106670870A - Step bolt positioning and clamping device for ordinary lathe - Google Patents
Step bolt positioning and clamping device for ordinary lathe Download PDFInfo
- Publication number
- CN106670870A CN106670870A CN201510763414.4A CN201510763414A CN106670870A CN 106670870 A CN106670870 A CN 106670870A CN 201510763414 A CN201510763414 A CN 201510763414A CN 106670870 A CN106670870 A CN 106670870A
- Authority
- CN
- China
- Prior art keywords
- regulating block
- connecting seat
- clamping device
- outer end
- adjustment
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Abstract
The invention provides a step bolt positioning and clamping device for an ordinary lathe. The step bolt positioning and clamping device comprises a clamping device and a positioning device. The clamping device comprises a pneumatic chuck for the lathe, and the pneumatic positioning device comprises a connecting seat connected with a gear box. A fine adjustment nut and a fine adjustment screw are arranged above the outer end of the connecting seat. A first adjustment block is arranged on the side face of the outer end of the connecting seat, a center distance adjustment groove is formed in the first adjustment block, and locking bolts connected with the connecting seat are arranged in the center distance adjustment groove. The inner end of the fine adjustment screw can push the first adjustment block, a second adjustment block is arranged on the side face of the outer end of the first adjustment block, and a centering adjustment groove is formed in the second adjustment block. Locking bolts connected with the first adjustment block are arranged in the centering adjustment groove, the outer end of the second adjustment block is connected with a shaft sleeve, and a planar bearing is arranged in an inner hole of the shaft sleeve. The center distance of the shaft sleeve and the chuck can be adjusted by the first adjustment block, the center of a clamping mouth of the shaft sleeve and the chuck can be centered by the second adjustment block, and compared with an original machining mode, work efficiency can be improved by 300%.
Description
Technical field
The invention belongs to the clamping device of processing step bolt, especially a kind of engine lathe are positioned and clamping device with shoulder bolt.
Background technology
Shoulder bolt, bearing pin are connection, fixed car Box Cover, the important securing member of turning joint.The tolerance of its step dimension is more strict, and the processing of bolt class is generally processed blank using heading machine, by engine lathe step dimension and end face is processed using chuck, and chuck plays positioning, clamping action.1st, because machining of taking the lead is larger to the tolerance dimension of blank, engine lathe cannot regioselective benchmark, size is unable to reach product requirement.2nd, product of the bar portion length more than more than 65MM can only be processed using chuck clamping and positioning, being shorter than the product of 65MM will also be repaired to claw and be positioned（Multiple products will be from many set claws）, high labor intensive.3rd, the claw on common chuck produces certain destruction in clamping process to the surface of product, and the error of employee's clamping produces impact to product quality.
For this purpose, improve product quality, eliminates human factor, mitigate staff labor intensity, improve product quality is highly desirable to.
The content of the invention
The present invention provides a kind of engine lathe shoulder bolt and positions and clamping device, realizes that stablizing for processing dimension is processed and guaranteed to high-volume, so as to reduce the labour intensity of workman.
In order to solve above-mentioned technical problem, the technical scheme is that：A kind of engine lathe is positioned and clamping device with shoulder bolt, including clamping device and positioner, it is characterised in that：Clamping device is air spider, and positioner includes connecting seat, and the inner of connecting seat is connected with gear-box, and at the outer end top of connecting seat fine-tuning nut is provided with, and fine-tuning nut is connected with connecting seat, and fine setting screw rod is provided with fine-tuning nut；The outer end side surface of connecting seat is provided with the first regulating block, centre-to-centre spacing regulating tank is provided with first regulating block, clamping screw is provided with centre-to-centre spacing regulating tank, clamping screw is threadedly coupled with connecting seat, the inner of fine setting screw rod is connected with the interior end in contact of the first regulating block, the outer end side surface of the first regulating block is provided with the second regulating block, centering regulating tank is provided with second regulating block, clamping screw is provided with centering regulating tank, clamping screw is threadedly coupled with the first regulating block, the outer end of the second regulating block is connected with axle sleeve, being provided with inner hole of shaft sleeve can support the plane bearing of workpiece step end face；When using, the centre-to-centre spacing of axle sleeve and air spider is adjusted by the first regulating block according to the length of workpiece, the endoporus of plane bearing passes through the grip orifice center centering of the second regulating block and air spider.
Beneficial effect：1. air spider energy improve production efficiency is adopted, the operation labor intensity of employee is alleviated.2. after improving, positioning datum is made on the right side of lathe tool by positioner, four direction can be adjusted according to workpiece size around positioner, suitable for the workpiece of different size, simple to operate, easy to adjust, significantly reducing labor strength and improve the fine setting screw rod of production efficiency 3. can be finely adjusted to centre-to-centre spacing regulating block, so as to improve the centre-to-centre spacing precision of axle sleeve and chuck, and improve product quality.4. the device and workpiece datum level（Workpiece step end face）Contact site adopts plane bearing, makes workpiece keep geo-stationary with device contact surface, it is to avoid disfiguring workpiece surface in process.5. in combination with the positioner of quick despatch workpiece, contrasting original processing mode can lift 300% operating efficiency to pneumatic type clamping device.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is positioner upward view in Fig. 1.
Fig. 3 is Fig. 1 bottom bracket axle right views.
Fig. 4 is use state figure of the present invention.
Specific embodiment：
As shown in Figure 1, Figure 2 and Figure 3, a kind of engine lathe is positioned and clamping device with shoulder bolt, including clamping device and positioner, and clamping device is air spider 3, air spider 3 is connected with the gear-box 2 on lathe bed 1, and air spider 3 realizes rotary motion by gear-box 2；Positioner includes connecting seat 4, and the cross sectional shape of connecting seat 4 is L-shaped, and the inner of connecting seat 4 is connected with gear-box 2, and at the outer end top of connecting seat 4 fine-tuning nut 5 is provided with, and fine-tuning nut 5 is connected with connecting seat 4, and fine setting screw rod 6 is provided with fine-tuning nut 5；The outer end side surface of connecting seat 4 is provided with the first regulating block 7, centre-to-centre spacing regulating tank 8 is provided with along its length in first regulating block 7, centre-to-centre spacing regulating tank 8 is to be provided with clamping screw 9 in U-type groove, centre-to-centre spacing regulating tank 8, and clamping screw 9 is connected with screwed hole or nut thread on connecting seat 4；The inner of fine setting screw rod 6 is connected with the interior end in contact of the first regulating block 7, i.e. the first regulating block has upwardly extended contact arm relative to one end of connecting seat, finely tunes the inner of screw rod and promotes contact arm so as to drive the first regulating block to move, and realizes fine setting；The outer end side surface of the first regulating block 7 is provided with the second regulating block 10, centering regulating tank 11 is provided with along its length in second regulating block 10, centering regulating tank 11 is U-type groove, clamping screw 9 is provided with centering regulating tank 11, clamping screw 9 is connected with screwed hole or nut thread on the first regulating block 7, the outer end of the second regulating block 10 is connected with axle sleeve 12, and in the inner of axle sleeve 12 plane bearing 13 is provided with, and the outer ring of plane bearing 13 is fixedly connected with axle sleeve 12；When using, the centre-to-centre spacing of axle sleeve and chuck is adjusted by the first regulating block according to the length of workpiece, the endoporus of plane bearing passes through the grip orifice center centering of the second regulating block and chuck.
Clamping device is mainly made up of lathe bed, gear-box and air spider, and the technology that its structure is known in the art is not described in detail.
Operation principle：As shown in figure 4, first positioner is arranged on gear-box, the clamping screw in the second regulating block is unclamped, the plane bearing endoporus in axle sleeve tightens the clamping screw in the second regulating block by the second regulating block and the grip orifice center centering of air spider of sliding；The clamping screw in the first regulating block is unclamped, the centre-to-centre spacing of axle sleeve and air spider is adjusted by first regulating block that slides according to the length of workpiece, be then finely adjusted by finely tuning screw rod, tighten the clamping screw in the first regulating block；In the insertion positioner of workpiece 14（In axle sleeve）, the bar portion of workpiece 14 passes through from plane bearing endoporus, and bar portion and the interporal lacuna in plane bearing of workpiece 14 coordinate, the step end face of workpiece 14 is contacted with the ball point on plane bearing, then the bar portion of jaws clamp is driven, is adjusted and is processed after cutter, workpiece rotates with air spider.
Do not elaborate part in this specification, the technology being known in the art.
Claims (1)
1. a kind of engine lathe is positioned and clamping device with shoulder bolt, including clamping device and positioner, it is characterised in that：Clamping device is air spider, and positioner includes connecting seat, and the inner of connecting seat is connected with gear-box, and at the outer end top of connecting seat fine-tuning nut is provided with, and fine-tuning nut is connected with connecting seat, and fine setting screw rod is provided with fine-tuning nut；The outer end side surface of connecting seat is provided with the first regulating block, centre-to-centre spacing regulating tank is provided with first regulating block, clamping screw is provided with centre-to-centre spacing regulating tank, clamping screw is threadedly coupled with connecting seat, the inner of fine setting screw rod is connected with the interior end in contact of the first regulating block, the outer end side surface of the first regulating block is provided with the second regulating block, centering regulating tank is provided with second regulating block, clamping screw is provided with centering regulating tank, clamping screw is threadedly coupled with the first regulating block, the outer end of the second regulating block is connected with axle sleeve, being provided with inner hole of shaft sleeve can support the plane bearing of workpiece step end face；When using, the centre-to-centre spacing of axle sleeve and air spider is adjusted by the first regulating block according to the length of workpiece, the endoporus of plane bearing passes through the grip orifice center centering of the second regulating block and air spider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510763414.4A CN106670870A (en) | 2015-11-11 | 2015-11-11 | Step bolt positioning and clamping device for ordinary lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510763414.4A CN106670870A (en) | 2015-11-11 | 2015-11-11 | Step bolt positioning and clamping device for ordinary lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106670870A true CN106670870A (en) | 2017-05-17 |
Family
ID=58865669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510763414.4A Pending CN106670870A (en) | 2015-11-11 | 2015-11-11 | Step bolt positioning and clamping device for ordinary lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106670870A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033681A (en) * | 2021-11-08 | 2022-02-11 | 中北大学 | Combined type vacuum pump based on spiral double-claw rotor |
-
2015
- 2015-11-11 CN CN201510763414.4A patent/CN106670870A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033681A (en) * | 2021-11-08 | 2022-02-11 | 中北大学 | Combined type vacuum pump based on spiral double-claw rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170517 |
|
| WD01 | Invention patent application deemed withdrawn after publication |