CN2829945Y - Clamping device of lathe - Google Patents
Clamping device of lathe Download PDFInfo
- Publication number
- CN2829945Y CN2829945Y CN 200520015492 CN200520015492U CN2829945Y CN 2829945 Y CN2829945 Y CN 2829945Y CN 200520015492 CN200520015492 CN 200520015492 CN 200520015492 U CN200520015492 U CN 200520015492U CN 2829945 Y CN2829945 Y CN 2829945Y
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- CN
- China
- Prior art keywords
- jaw seat
- trombone slide
- lathe
- jaw
- main shaft
- 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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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model provides a clamping device of a lathe, which belongs to the field of the mechanical technology. The utility model solves the defects of complicated structure, inconvenient installation and maintenance and bad service stability of the existing clamping device of a lathe. The utility model comprises a spindle, a pull tube and a clamping head, wherein the clamping head and the pull tube are fixedly connected together and arranged in the spindle; the clamping head is positioned at the end part of the spindle; the pull tube extends out of the other end of the spindle; the extension part of the pull tube is sheathed with a clamping jaw seat which is fixedly connected with the spindle; a plurality of clamping jaws are hinged on the clamping jaw seat; one end of each of the clamping jaws is abutted on the pull tube, and the other end extends outside the clamping jaw seat; a lock sleeve is sheathed on the clamping jaw seat; the lock sleeve is provided with a handle assembly which can control the lock sleeve to slide on the clamping jaw seat. The utility model has the advantages of convenient assembly and maintenance, simple structure, long service life and high operating stability in the operation process of handles.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the clamping device on the device on a kind of lathe, particularly lathe.
Background technology
Disclose a kind of clamping apparatus for lathe in the Chinese patent 02216066, its structure comprises the main shaft be located on the headstock, be located at trombone slide in the main shaft, be connected in jaw seat on the main shaft, be socketed in little sliding sleeve on the main shaft, be socketed in the big sliding sleeve on the jaw seat.Little sliding sleeve is connected by trip bolt and the trombone slide that passes slotted hole on the main shaft, also is hinged with jaw on the jaw seat, and an end roof pressure of this jaw is in the end of little sliding sleeve, and the other end of jaw extends to the outside of jaw seat.Big sliding sleeve links with Handleset, and Handleset can make to slide over greatly on the jaw seat and slide, thereby can make the chuck of being located at the trombone slide end realize the clamping of workpiece and unclamp.Above-mentioned Handleset is made up of shift fork circle, connecting rod and handle, and handle and connecting rod are connected, and connecting rod is through in the hole on the shift fork circle, and the shift fork circle is provided with the screw that passes this hole wall, and the inner end of screw withstands on the connecting rod.
This clamping device complex structure is installed and inconvenient maintenance, and in the use of reality, is prone to loosening phenomenon between trombone slide and the trip bolt, and when pulling handle, the displacement of trombone slide in main shaft might be not enough, influenced the clamping of chuck to workpiece.
In addition, the shift fork circle in the above-mentioned Handleset and the connected mode of connecting rod also easily make and are prone to loosening phenomenon between the two, when pulling handle, can not make that sliding over greatly on the jaw seat slides exactly puts in place, thereby have influence on the clamping of chuck to workpiece.
Summary of the invention
The purpose of this utility model is at the existing the problems referred to above of traditional lathe clamping device, a kind of novel clamping apparatus for lathe is provided, make it have simple in structure, installation and maintenance convenience, and in the use of reality, trombone slide is the action of response handle assembly exactly, stability in use is good, and is not fragile.
The purpose of this utility model can realize by following technical proposal: a kind of clamping apparatus for lathe, comprise main shaft, trombone slide and chuck, chuck and trombone slide are fixed together, be loaded in the main shaft, chuck is in the end of main shaft, it is characterized in that, described trombone slide stretches out the other end of main shaft, extension at trombone slide is socketed with the jaw seat, and the jaw seat is connected mutually with main shaft, is hinged with several jaws on the jaw seat, one end roof pressure of each jaw is on trombone slide, the other end extends the outside of jaw seat, is socketed with lock sleeve on the jaw seat, is provided with one at the lock sleeve place and can controls the Handleset that lock sleeve slides on the jaw seat.
The jaw seat is connected on the end of main shaft, one end roof pressure of jaw is on trombone slide, the corresponding position of trombone slide is provided with the bulge loop of its outer peripheral face of protrusion or other securing member, and the sidewall that does not need to see through main shaft by trip bolt is connected this bulge loop or securing member and trombone slide, and is simple in structure, stability in use good.During installation and removal jaw seat, do not need to open headstock, assemble easy to maintenance.
In this clamping apparatus for lathe, described lock sleeve is a bearing.Be socketed with bearing on the jaw seat, the inner ring of this bearing can be followed the jaw seat and be rotated together, and Handleset can link with the outer ring of bearing, and the jaw seat can guarantee the stability of Handleset when rotated like this.
In this clamping apparatus for lathe, the outer end of the described trombone slide extension locking cap that is being connected, an end of jaw is that roof pressure is on locking cap.Locking cap directly is connected on the extension of trombone slide, and what be convenient to locking cap and trombone slide is connected simple in structure, easy installation and removal.
In this clamping apparatus for lathe, described locking cap is a split-type structural, is made of the inner nut that is socketed in the cover on the trombone slide and is located at this cover outside, and described inner nut and trombone slide are for being threaded.For being threaded, the turn inner nut can be regulated the stroke in chuck endoporus aperture, has satisfied actual user demand, has improved the scope of application of chuck between inner nut and the trombone slide.
In this clamping apparatus for lathe, the outside of inner nut is provided with the locking nut that is threaded with trombone slide on the described trombone slide.Locking nut can and tight inner nut, to prevent that inner nut from following trombone slide when rotating together, loosening phenomenon taking place.
In this clamping apparatus for lathe, described jaw seat and main shaft are provided with the lock screw that runs through jaw seat sidewall for being threaded on the jaw seat, and the inner of this lock screw withstands on the lateral surface of main shaft.The lock screw that is provided with can prevent from loosening phenomenon to occur between the jaw seat of at a high speed rotation and the main shaft, has improved the connective stability of jaw seat and main shaft.
In this clamping apparatus for lathe, on described jaw seat, be provided with the block piece of outstanding its outer peripheral face, the distance of this block piece and jaw is less than the axial dimension of lock sleeve.The block piece that is provided with can limit the amount of movement of lock sleeve, gets loose to prevent jaw.
In this clamping apparatus for lathe, described Handleset comprises shift fork circle, handle, handle bearing, described shift fork circle is connected with handle, the handle bearing is connected on the lathe, handle and handle bearing are hinged, and are provided with two in the inboard of shift fork circle and make lock sleeve along the shift fork head that slides on the jaw seat.Shift fork circle and handle connect as one, and in the course of the work, can not occur loosening phenomenon between the two, and connectivity robustness is good.
Compared with prior art, the beneficial effects of the utility model are:
1, the jaw seat that has a jaw is located at the outside of headstock, is convenient to assembling and maintenance, be convenient to be connected on the trombone slide with the contacted position of jaw one end on the trombone slide, and connectivity robustness is good, simple in structure, long service life.
2, be socketed with bearing on the jaw seat, the outer ring and the Handleset of bearing link, and like this, the jaw seat is being followed main shaft when rotating together, and Handleset can keep stability.
3, in the Handleset, shift fork circle and handle connect as one, and connectivity robustness is good between the two, loosening phenomenon can not occur, have improved the job stability of handle in operating process.
Description of drawings
Fig. 1 is the structural representation of clamping apparatus for lathe of the present utility model.
Fig. 2 is the structural representation of Handleset in this clamping apparatus for lathe.
Among the figure, 1, locking cap; 1a, locking nut; 1b, inner nut; 1c, cover; 2, jaw; 3, chuck; 4, headstock; 5, main shaft; 6, trombone slide; 7, jaw seat; 8, lock screw; 9, block piece; 10, shift fork head; 11, bearing; 12, shift fork circle; 13, handle bearing; 14, little axle; 15, handle.
The specific embodiment
As shown in Figure 1, this clamping apparatus for lathe is assemblied on the headstock 4, and it comprises main shaft of being located on the headstock 45 and the trombone slide of being located in the main shaft 56, and headstock 4 is stretched out at the two ends of main shaft 5.Be fixedly connected with chuck 3 on one end of trombone slide 6, the other end stretches out main shaft 5.This chuck 3 is positioned at the end of main shaft 5, and and main shaft 5 between be provided with the conical surface that can cooperatively interact, when trombone slide 6 endwisely slips in main shaft 5, under the effect of the set conical surface between chuck 3 and main shaft 5 ends, the clamping that can realize 3 pairs of workpiece of chuck with unclamp.
Stretch out at trombone slide 6 on the extension of main shaft 5 and be socketed with a jaw seat 7, this jaw seat 7 is threaded in the end of main shaft 5.On jaw seat 7, be provided with some open slots, be hinged with a jaw 2 in each open slot respectively.Be provided with the locking cap 1 that is connected with trombone slide 6 in the outside of jaw seat 7, an end roof pressure of described jaw 2 is on the cover 1c of this locking cap 1 front end, and the other end extends the outside of jaw seat 7.In order to guarantee the connectivity robustness of jaw seat 7 and main shaft 5, on jaw seat 7, be provided with the lock screw 8 that runs through jaw seat 7 sidewalls, the inner end of this lock screw 8 withstands on the outer peripheral face of main shaft 5.
As depicted in figs. 1 and 2, be socketed with a bearing 11 on jaw seat 7, be provided with shift fork head 10 on the outer ring of bearing 11, this shift fork head 10 links with the Handleset of being located on the headstock 4, pulls Handleset bearing 11 is slided on jaw seat 7.In order to limit the displacement of bearing 11 on jaw seat 7, on jaw seat 7, also be provided with a block piece 9, this block piece 9 can be the bulge loop that is connected as a single entity with jaw seat 7, also can be other holding firmware.What adopt in the present embodiment is circlip for shaft, and it fixes in the annular recess set on jaw seat 7 outer peripheral faces.Distance between this block piece 9 and the above-mentioned jaw 2 that is to say the width less than bearing 11 less than the axial dimension of lock sleeve, can prevent that like this bearing 11 breaks away from jaw 2 when sliding.
Above-mentioned locking cap 1 is a split-type structural, is made of cover 1c on the socket trombone slide 8 and inner nut 1b, and inner nut 1b and trombone slide 6 are for being threaded.In order to prevent that trombone slide 6 inner nut 1b in rotating process from can unclamp, also be provided with the locking nut 1a that is threaded with trombone slide 6 in the outside of inner nut 1b, this locking nut 1a can also tight inner nut 1b.
As shown in Figure 2, the structure of above-mentioned Handleset comprises shift fork circle 12, handle 15, handle bearing 13, described shift fork circle 12 connects as one with handle 15, being provided with two in the inboard of shift fork circle 12 makes bearing 11 along the shift fork head 10 that slides on the jaw seat 7, this shift fork head 10 links with the above-mentioned shift fork head of being located on bearing 11 outer rings 10, handle bearing 13 is connected on the headstock 4, and handle bearing 13 is provided with little axle 14, and handle 15 is hinged on this little axle 14.
During the work of this clamping apparatus for lathe, drive bearing 11 by shift fork head set on the shift fork circle 12 10 and endwisely slip.When bearing 11 when the direction of block piece 9 is slided, bearing 11 is depressed the outer end of jaw 2, rotate on jaw seat 7 the inner of jaw 2, and make the direction of motion of trombone slide 6 opposite with the glide direction of bearing 11.Under the effect of the cone structure of main shaft 5 ends, shrink in the endoporus aperture of chuck 3, thus clamping work pieces.When bearing 11 when rightabout slides, upwards lift the outer end of jaw 2, return is rotated in the inner of jaw 2, chuck 3 makes trombone slide 6 displacements under self elastic force effect, thereby the endoporus aperture of chuck 3 is enlarged, and just can unclamp workpiece.The clamping force of 3 pairs of workpiece of chuck can be regulated by inner nut 1b, when inner nut 1b rotation direction jaw 2 inner, the height of outstanding jaw seat 7 outer peripheral faces in the outer end of jaw 2 will become big, correspondingly bearing 11 is when the slip same distance, can make the relative displacement quantitative change that takes place between trombone slide 6 and the main shaft 5 big, thereby make the flexible quantitative change in endoporus aperture of chuck 3 big, and then make the clamping force of 3 pairs of workpiece of chuck increase.
Claims (9)
1, a kind of clamping apparatus for lathe, comprise main shaft (5), trombone slide (6) and chuck (3), chuck (3) and trombone slide (6) are fixed together, be loaded in the main shaft (5), chuck (3) is in the end of main shaft (5), it is characterized in that, described trombone slide (6) stretches out the other end of main shaft (5), extension at trombone slide (6) is socketed with jaw seat (7), jaw seat (7) is connected mutually with main shaft (5), on jaw seat (7), be hinged with several jaws (2), the one end roof pressure of each jaw (2) is on trombone slide (6), the other end extends the outside of jaw seat (7), is socketed with lock sleeve on jaw seat (7), is provided with one at the lock sleeve place and can controls lock sleeve is gone up slip at jaw seat (7) Handleset.
2, clamping apparatus for lathe according to claim 1 is characterized in that, described lock sleeve is a bearing (11).
3, clamping apparatus for lathe according to claim 1 and 2 is characterized in that, the outer end of described trombone slide (6) the extension locking cap (1) that is being connected, and an end of jaw (2) is that roof pressure is on locking cap (1).
4, clamping apparatus for lathe according to claim 3, it is characterized in that, described locking cap (1) is a split-type structural, be made of the inner nut (1b) that is socketed in the cover (1c) on the trombone slide (6) and is located at this cover (1c) outside, described inner nut (1b) and trombone slide (6) are for being threaded.
5, clamping apparatus for lathe according to claim 4 is characterized in that, the outside that described trombone slide (6) is gone up inner nut (1b) is provided with the locking nut (1a) that is threaded with trombone slide (6).
6, clamping apparatus for lathe according to claim 1, it is characterized in that, described jaw seat (7) and main shaft (5) are provided with the lock screw (8) that runs through jaw seat (7) sidewall for being threaded on jaw seat (7), the inner of this lock screw (8) withstands on the lateral surface of main shaft (5).
According to claim 1 or 2 or 6 described clamping apparatus for lathe, it is characterized in that 7, described jaw seat (7) is provided with the block piece (9) of outstanding its outer peripheral face, the distance of this block piece (9) and jaw (2) is less than the axial dimension of lock sleeve.
8, according to claim 1 or 2 or 6 described clamping apparatus for lathe, it is characterized in that, described Handleset comprises shift fork circle (12), handle (15), handle bearing (13), described shift fork circle (12) is connected with handle (15), handle bearing (13) is connected on the lathe, handle (15) is hinged with handle bearing (13), is provided with two in the inboard of shift fork circle (12) and makes lock sleeve go up the shift fork head (10) that slides along jaw seat (7).
9, clamping apparatus for lathe according to claim 8 is characterized in that, described shift fork circle (12) connects as one with handle (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520015492 CN2829945Y (en) | 2005-10-12 | 2005-10-12 | Clamping device of lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520015492 CN2829945Y (en) | 2005-10-12 | 2005-10-12 | Clamping device of lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2829945Y true CN2829945Y (en) | 2006-10-25 |
Family
ID=37134869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520015492 Expired - Fee Related CN2829945Y (en) | 2005-10-12 | 2005-10-12 | Clamping device of lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2829945Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227599A (en) * | 2014-08-21 | 2014-12-24 | 南京信息职业技术学院 | Clamping mechanism |
-
2005
- 2005-10-12 CN CN 200520015492 patent/CN2829945Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227599A (en) * | 2014-08-21 | 2014-12-24 | 南京信息职业技术学院 | Clamping mechanism |
| CN104227599B (en) * | 2014-08-21 | 2015-12-02 | 南京信息职业技术学院 | Clamping mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |