CN100414143C - Adjusting and locking device of screw rod - Google Patents
Adjusting and locking device of screw rod Download PDFInfo
- Publication number
- CN100414143C CN100414143C CNB2006100862719A CN200610086271A CN100414143C CN 100414143 C CN100414143 C CN 100414143C CN B2006100862719 A CNB2006100862719 A CN B2006100862719A CN 200610086271 A CN200610086271 A CN 200610086271A CN 100414143 C CN100414143 C CN 100414143C
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- screw mandrel
- screw
- clutch
- adjusting
- locking nut
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Abstract
A regulating and locking device of screw consists of screw set actively on base of machine, regulating-driving unit on one end of screw, screw support base at side of machine base, clutch and lock nut on screw at side of screw support base. It is featured as coordinating one end of lock nut with thread on screw and another end with thread of clutch, setting clutch on screw actively by planar pin and setting insections being engaged with each other separately on adjacent end surfaces of clutch and screw support base.
Description
Technical field
The present invention relates to a kind of stroke adjustment when screw mandrel well after, the adjusting and locking device of screw rod that screw mandrel can be locked reliably.
Background technique
Screw mandrel is widely used in the mechanical industry, in machinery---and in pipe end forming machine, screw mandrel is commonly used to adjust the working position of worktable, to satisfy process requirements.The structure of a kind of screw mandrel controlling device commonly used can be referring to shown in Figure 1 at present, mainly comprise: screw mandrel 5, end at screw mandrel 5 is provided with the adjusting drive unit---and normally used adjusting drive unit is exactly an adjusting handle 1, screw mandrel 5 is movably arranged in the support 6, for easy for installation, side at support 6 also is set with a screw mandrel bearing 2 usually, and screw mandrel 5 activities are located in the screw mandrel bearing 2; In addition, in order to overcome play and the play between the component that are arranged on the screw mandrel 5 and to reduce the surface friction drag between the above-mentioned parts in screw mandrel 5 rotation processes, left and right bearing 10 and 11 also on screw mandrel 5, have been set up; Worktable 28 is movably arranged in the support 6 usually, and worktable 28 is fixedlyed connected with drive nut 7, and drive nut 7 is connected by screw thread and screw mandrel 5, and parts to be processed are set on the worktable 28 usually.When needs are adjusted the position of worktable 28, as long as rotate adjusting handle 1, adjusting handle 1 drives screw mandrel 5 rotations, screw mandrel 5 is made axial straight line by drive nut 7 drive worktable 28 along screw mandrel 5 and is moved, thereby realizes the parts to be processed on the worktable 28 are moved to the purpose of required operative position.In real work, in order to make parts to be processed in course of working, can be locked in operative position exactly, usually also be provided with locking device, the structure of traditional locking device can be referring to shown in Figure 7, on support 6, offer a tapped hole, be provided with a lock screw 8 in the tapped hole, an end of lock screw 8 is provided with handle 83, and the other end of lock screw 8 contacts with a locking projection 81; After worktable 28 moves to required operative position, tighten lock screw 8, make lock screw 8 will lock projection 81 and lean tightly on worktable 28, reach the purpose of locking worktable 28, screw mandrel 5 can not freely be rotated, thereby can improve the machining accuracy of parts to be processed.The shortcoming of above-mentioned locking device is: only relying on lock screw 8 to lock worktable 28 is to be difficult to realize purpose, because the vibration that constantly produces in the working procedure is easy to drive screw mandrel 5 and rotates, simultaneously, because the existence of screw mandrel helix angle, further aggravated this rotary state of screw mandrel 5, make the parts to be processed that are clamped on the worktable 28 also can shake constantly, and can be subjected to displacement, finally influence machine performance and machining accuracy along with the rotation of screw mandrel 5.
Summary of the invention
Technical problem to be solved by this invention provides a kind of adjusting and locking device of screw rod that can it can be locked reliably after the screw mandrel adjusting is finished.
For solving the problems of the technologies described above, the technical solution used in the present invention is: described adjusting and locking device of screw rod, comprise: screw mandrel, screw mandrel is movably arranged on the support, end at screw mandrel is provided with the adjusting drive unit, side at support is provided with the screw mandrel bearing, the screw mandrel activity is located in the screw mandrel bearing, on screw mandrel, also be provided with clutch and locking nut, clutch and locking nut are positioned at a side of screw mandrel bearing, one end of locking nut is connected with the screw-thread fit on the screw mandrel, the other end of locking nut is connected by screw-thread fit with clutch one end, clutch is movably arranged on the screw mandrel by flat key, is respectively arranged with intermeshing groove on the adjacent contact end face of clutch and screw mandrel bearing.
A kind of concrete structure of above-mentioned adjusting drive unit is an adjusting handle, and adjusting handle is fixed on the end of screw mandrel.
The further technological scheme of the present invention is: the pitch of the matching thread between described locking nut and the screw mandrel is less than the pitch of the matching thread between locking nut and the clutch, and rotation direction is identical.
The invention has the beneficial effects as follows: owing to be provided with the locking structure that clutch matches with the screw mandrel bearing and locks, screw mandrel can be locked on the screw mandrel bearing reliably during work, screw mandrel is with regard to the phenomenon that can not rotate because of the vibration that produces in the working procedure, part to be processed just can not be subjected to displacement phenomenon yet, thereby can improve the machining accuracy of complete machine.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of screw mandrel bearing among Fig. 1;
Fig. 3 is that the B of screw mandrel bearing among Fig. 2 is to view;
Fig. 4 is the structural representation of clutch among Fig. 1;
Fig. 5 is that the C of clutch among Fig. 4 is to view;
Fig. 6 is the structural representation of the locking nut among Fig. 1;
Fig. 7 is that A-A among Fig. 1 is to the broken section structural representation.
Embodiment
Below in conjunction with accompanying drawing technical solutions according to the invention and working principle thereof and advantage are further described.
Extremely shown in Figure 6 as Fig. 1, adjusting and locking device of screw rod of the present invention comprises: screw mandrel 5, screw mandrel 5 is movably arranged on the support 6, end at screw mandrel 5 is provided with adjusting handle 1, side at support 6 is installed with screw mandrel bearing 2, screw mandrel 5 activities are located in the screw mandrel bearing 2, on screw mandrel 5, also be provided with clutch 3 and locking nut 4, clutch 3 and locking nut 4 are positioned at a side of screw mandrel bearing 2, clutch 3 is movably arranged on the screw mandrel 5 by flat key 9, on the adjacent contact end face of clutch 3 and screw mandrel bearing 2, be respectively arranged with intermeshing groove 31,21, the right side of clutch 3 is connected with the screw-thread fit that passes on left of locking nut 4, and the right side of locking nut 4 also is connected by screw-thread fit with screw mandrel 5.In actual fabrication, the pitch of the matching thread between locking nut 4 and the screw mandrel 5 is less than the pitch of the matching thread between locking nut 4 and the clutch 3, and the rotation direction of these two matching threads is identical; Above-mentioned adjusting handle 1 can also substitute with a drive unit such as stepper motor, as: the output shaft of stepper motor is connected with screw mandrel 5 by coupling, and the conversion of these driving mode should be related domain is used always, mature technique.In addition, similar to described in the background technique, for overcome between the regulating handle 1 and screw mandrel bearing 2 that is arranged on the screw mandrel 5, play and play between screw mandrel bearing 2 and the clutch 3, reduce in screw mandrel 5 rotation processes between the regulating handle 1 and screw mandrel bearing 2, the surface friction drag between screw mandrel bearing 2 and the clutch 3, also between screw mandrel 5 adjusted handles 1 and screw mandrel bearing 2, set up between left bearing 10, screw mandrel bearing 2 and the clutch 3 and set up right bearing 11.Equally, similar to described in the background technique, worktable 28 is movably arranged in the support 6, and worktable 28 is fixedlyed connected with drive nut 7, and drive nut 7 is connected by screw thread and screw mandrel 5, and parts (not shown) to be processed is arranged on the worktable 28; In addition, referring to shown in Figure 7, can also offer a tapped hole on support 6, be provided with a lock screw 8 in the tapped hole, an end of lock screw 8 is provided with handle 83, and the other end of lock screw 8 contacts with a locking projection 81.
The working principle of adjusting and locking device of screw rod of the present invention is: in order to narrate conveniently, here supposition is rotated in the forward locking nut 4 can make locking nut 4 be moved to the left along screw mandrel 5, and counterrotating locking nut 4 can make locking nut 4 move right along screw mandrel 5.When needs are adjusted the position of worktable 28, should guarantee that at first clutch 3 and screw mandrel bearing 2 are in separated state, if clutch 3 is in engagement with screw mandrel bearing 2, can backward rotation locking nut 4, locking nut 4 moves right along screw mandrel 5, make clutch 3 also move right simultaneously, because the pitch of the matching thread between locking nut 4 and the screw mandrel 5 is littler than the pitch of the matching thread between locking nut 4 and the clutch 3, therefore, clutch 3 is more faster with respect to the travelling speed of screw mandrel 5 than locking nut 4 with respect to the travelling speed of locking nut 4, so just makes clutch 3 separate with screw mandrel bearing 2 rapidly; Then, can rotate and adjust handle 1, make drive nut 7 make axial straight line and move, drive the worktable that is connected with drive nut 7 and in support 6, move, thereby can change the position component to be processed that is clamped in the worktable 28 along screw mandrel 5; After parts to be processed arrive the desired position, but with regard to forward rotation locking nut 4, make simultaneously clutch 3 also along screw mandrel 5 movement left, and draw close to screw mandrel bearing 2 rapidly, groove 31 and 21 on clutch 3 and screw mandrel bearing 2 adjacent contact faces meshes fully, like this, clutch 3 has stably locked together screw mandrel 5 by flat key 9 with screw mandrel bearing 2.In addition, also can be to described in the background technique similar, at this moment, again rotatable handle 83, tighten the lock screw 8 that is arranged in the support 6, referring to shown in Figure 7, make lock screw 8 will lock projection 81 and lean tightly on worktable 28, reach the purpose of further locking worktable 28.After component processing to be processed is finished, unclamp lock screw 8 earlier, the backward rotation locking nut 4 again, make clutch 3 separate with screw mandrel bearing 2, and rotary screw 5 is again just readjusted the position of worktable 28, to carry out next step adjustment processing work.
The structure of above-mentioned adjusting and locking device of screw rod, can guarantee that screw mandrel 5 reliablely and stablely is locked on the screw mandrel bearing 2, screw mandrel 5 can not make screw mandrel 5 rotate because of the vibration that produces in the working procedure, therefore parts to be processed just can not be subjected to displacement yet, thereby machining accuracy has obtained reliable assurance, and the complete machine performance is further improved.
Claims (3)
1. adjusting and locking device of screw rod, comprise: screw mandrel, screw mandrel is movably arranged on the support, end at screw mandrel is provided with the adjusting drive unit, side at support is provided with the screw mandrel bearing, the screw mandrel activity is located in the screw mandrel bearing, it is characterized in that: on screw mandrel, also be provided with clutch and locking nut, clutch and locking nut are positioned at a side of screw mandrel bearing, one end of locking nut is connected with the screw-thread fit on the screw mandrel, the other end of locking nut is connected by screw-thread fit with clutch one end, and clutch is movably arranged on the screw mandrel by flat key, is respectively arranged with intermeshing groove on the adjacent contact end face of clutch and screw mandrel bearing.
2. adjusting and locking device of screw rod as claimed in claim 1 is characterized in that: described adjusting drive unit is an adjusting handle, and adjusting handle is fixed on the end of screw mandrel.
3. adjusting and locking device of screw rod as claimed in claim 1 or 2 is characterized in that: the pitch of the matching thread between locking nut and the screw mandrel is less than the pitch of the matching thread between locking nut and the clutch, and rotation direction is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100862719A CN100414143C (en) | 2006-08-26 | 2006-08-26 | Adjusting and locking device of screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100862719A CN100414143C (en) | 2006-08-26 | 2006-08-26 | Adjusting and locking device of screw rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1916441A CN1916441A (en) | 2007-02-21 |
| CN100414143C true CN100414143C (en) | 2008-08-27 |
Family
ID=37737482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100862719A Expired - Fee Related CN100414143C (en) | 2006-08-26 | 2006-08-26 | Adjusting and locking device of screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100414143C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923185A (en) * | 1987-09-04 | 1990-05-08 | Chaolai Fan | Vertical-lift screw drive mechanism |
| CN2080121U (en) * | 1990-03-19 | 1991-07-03 | 吴光生 | Nut open and close type full travel rapid distance adjusting system |
| CN2135688Y (en) * | 1992-07-03 | 1993-06-09 | 阳泉市电工机械厂 | Moment adjustable electric screw lifeing (push/pull) device |
| US5282392A (en) * | 1991-01-31 | 1994-02-01 | Chaolai Fan | Synchro-clutching screw-and-nut mechanism |
| CN200965048Y (en) * | 2006-08-26 | 2007-10-24 | 张家港市合丰机械制造有限公司 | Silk pole regulation locking device |
-
2006
- 2006-08-26 CN CNB2006100862719A patent/CN100414143C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923185A (en) * | 1987-09-04 | 1990-05-08 | Chaolai Fan | Vertical-lift screw drive mechanism |
| CN2080121U (en) * | 1990-03-19 | 1991-07-03 | 吴光生 | Nut open and close type full travel rapid distance adjusting system |
| US5282392A (en) * | 1991-01-31 | 1994-02-01 | Chaolai Fan | Synchro-clutching screw-and-nut mechanism |
| CN2135688Y (en) * | 1992-07-03 | 1993-06-09 | 阳泉市电工机械厂 | Moment adjustable electric screw lifeing (push/pull) device |
| CN200965048Y (en) * | 2006-08-26 | 2007-10-24 | 张家港市合丰机械制造有限公司 | Silk pole regulation locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1916441A (en) | 2007-02-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 215628 Jiangsu Hefeng Machinery Manufacturing Co., Ltd., Nanfeng village, Nanfeng Town, Jiangsu, Zhangjiagang Patentee after: Jiangsu Hefeng Machinery Manufacturing Co., Ltd. Address before: 215628 Development Zone, Nanfeng Town, Zhangjiagang, Jiangsu Patentee before: Hefeng Machinery Manufacturing Co., Ltd., Zhangjiagang City |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20190826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |