CN210848357U

CN210848357U - Tailstock device for lathe

Info

Publication number: CN210848357U
Application number: CN201921936705.9U
Authority: CN
Inventors: 宗德龙
Original assignee: Qingdao Minghaoyuan Precision Machinery Co ltd
Current assignee: Qingdao Minghaoyuan Precision Machinery Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-26
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to the technical field of lathes, and a tailstock device for lathe is disclosed, the tailstock on the present common lathe is solved, only an independent thimble, after chuck clamping longer work piece, the tailstock is moved, the thimble is adjusted to stretch out and draw back, withhold the work piece centre bore, on one hand, in order to guarantee that the central axis will not deviate when cutting the excircle for longer work piece, on the other hand, the supporting function is also played, prevent the work piece from dropping because of overweight, but in the actual production, large-scale work piece still has vibration when cutting, and lean on the thimble to withhold the work piece centre bore, there can also be the problem of size deviation, it includes the pedestal, fixedly connected with thimble mechanism on the pedestal, thimble mechanism both sides are provided with thimble and crank respectively, the pedestal is bilaterally and fixedly mounted with the fixed block; the utility model discloses can make the better fixing of work piece on the lathe tailstock, greatly reduced large-scale work piece is when the cutting, because of the influence that the vibration produced, makes processing accurate.

Description

Tailstock device for lathe

Technical Field

The utility model belongs to the technical field of the lathe, specifically be a tailstock device for lathe.

Background

The tailstock is used for matching with a main spindle box to support parts of workpieces or tools, and the applied subjects are mechanical engineering, cutting processing technology and equipment and metal machine tool parts of a metal cutting machine tool.

The tailstock on the existing lathe is only an independent thimble, after a chuck clamps a longer workpiece, the tailstock is moved, the thimble is adjusted to stretch and retract, and the center hole of the workpiece is propped against.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a tailstock device for lathe, the effectual tailstock on the current lathe of having solved, only an solitary thimble, behind the longer work piece of chuck clamping, remove the tailstock, it is flexible to adjust the thimble, withhold the work piece centre bore, on the one hand be in order to guarantee that longer work piece center pin can not deviate when cutting the excircle, the supporting role has also been played on the one hand, prevent that the work piece from dropping because overweight, but in the actual production, large-scale work piece is when the cutting, still can have the vibration, and light withholds the work piece centre bore by the thimble, also can have the problem of size deviation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tailstock device for lathe, comprises a base, fixedly connected with thimble mechanism above the pedestal, thimble mechanism both sides are provided with thimble and hand crank respectively, pedestal bilateral symmetry fixed mounting has the fixed block, fixed mounting has the horizontal pole on the fixed block, it is equipped with high adjustment mechanism to keep away from pedestal one end on the horizontal pole, install the montant on the high adjustment mechanism, fixed mounting has the work piece splint on the montant, the horizontal pole includes mobile jib and loop bar, the spout has been seted up to the symmetry on the mobile jib, fixedly connected with sleeve pipe on the loop bar, the symmetry is equipped with the slider on the sleeve pipe, slider and spout phase-match, slider and spout.

Preferably, the height adjusting mechanism comprises a spiral ring through hole arranged in the loop bar, a connecting groove arranged in the vertical bar and a threaded support bar which penetrates through the spiral ring through hole and is movably connected with the connecting groove, and the spiral ring through hole is matched with the threaded support bar.

Preferably, a bearing is arranged between the connecting groove and the threaded support rod, and the threaded support rod is movably connected with the vertical rod through the bearing.

Preferably, the lower end of the threaded support rod is fixedly provided with a rotating handle, and the outer side of the rotating handle is wrapped with a layer of sheath.

Preferably, the two sides of the lower end of the vertical rod are fixedly and symmetrically connected with positioning blocks.

Preferably, the upper end of the loop bar is positioned at two sides of the spiral through hole and is fixedly and symmetrically provided with positioning telescopic rods, and the positioning telescopic rods are fixedly connected with the positioning blocks.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) by arranging the thimble, the loop bar, the cross bar, the workpiece clamping plates, the rotating handle, the threaded supporting rod, the spiral through hole, the positioning telescopic rod and the positioning block, during working, the thimble fixes one end of the workpiece, the loop bar is pulled to adjust the length of the cross bar, so that the transverse position of the workpiece clamping plates is consistent with the transverse position of the workpiece, the rotating handle drives the threaded supporting rod to rotate, the threaded supporting rod can rotate in the spiral through hole and move up and down, the positioning telescopic rod is connected with the positioning block, the vertical rod can be prevented from rotating along with the rotation of the threaded supporting rod, the vertical lifting of the vertical rod is not influenced, the longitudinal position of the workpiece clamping plates is adjusted to be consistent with the longitudinal position of the workpiece, so that the two workpiece clamping plates at two sides of the workpiece tightly fix the workpiece, the comprehensive action can better fix the workpiece on, the processing is accurate.

(2) Through being provided with loop bar and mobile jib, the loop bar cover not only can alternate the length of horizontal pole on the mobile jib, can also move along with the work piece adds the position removal man-hour, guarantees the stability of work piece constantly, makes processing more accurate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the threaded support rod of the present invention;

FIG. 3 is a schematic structural view of the cross bar of the present invention;

in the figure: 1. a base body; 2. a thimble mechanism; 3. a thimble; 4. c, shaking the hand; 5. a fixed block; 6. a cross bar; 7. a vertical rod; 8. a workpiece clamping plate; 9. a spiral ring through hole; 10. a joining groove; 11. a threaded support rod; 12. turning a handle; 13. positioning blocks; 14. positioning the telescopic rod; 15. a main rod; 16. a loop bar; 17. a chute; 18. a sleeve; 19. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1, fig. 2 and fig. 3, the present invention comprises a base body 1, a thimble mechanism 2 is fixedly connected to the base body 1, a thimble 3 and a handle 4 are respectively disposed at two sides of the thimble mechanism 2, the handle 4 is used for controlling the lateral distance of the thimble 3, the thimble 3 is used for matching and supporting the workpiece to be processed, fixing blocks 5 are symmetrically and fixedly mounted at two sides of the base body 1, a cross rod 6 is fixedly mounted on the fixing block 5, a height adjusting mechanism is disposed at one end of the cross rod 6 away from the base body 1, a vertical rod 7 is mounted on the height adjusting mechanism, a workpiece clamping plate 8 is fixedly mounted on the vertical rod 7, the height adjusting mechanism is used for adjusting the height of the workpiece clamping plate 8, the cross rod 6 comprises a main rod 15 and a loop rod 16, sliding grooves 17 are symmetrically disposed on the main rod 15, a sleeve 18 is fixedly connected to the loop rod 16, sliding, the sleeve rod 16 is sleeved on the main rod 15, so that the length of the cross rod 6 can be changed, and the sleeve rod can move along with the position movement of a workpiece during processing.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 1 and 2, the height adjusting mechanism includes a spiral through hole 9 disposed in the loop bar 16, an engaging groove 10 disposed in the vertical bar 7, and a threaded support rod 11 penetrating through the spiral through hole 9 and movably connected to the engaging groove 10, the spiral through hole 9 is matched with the threaded support rod 11, the threaded support rod 11 can move up and down by rotating in the spiral through hole 9, and can be fixed by itself when stopping rotating.

Third embodiment, on the basis of second embodiment, as shown in fig. 2, a bearing is arranged between the connecting groove 10 and the threaded support rod 11, the threaded support rod 11 is movably connected with the vertical rod 7 through the bearing, and the friction force between the threaded support rod 11 and the vertical rod 7 can be greatly reduced under the action of the bearing when the threaded support rod rotates, so that the third embodiment is labor-saving and convenient, the abrasion of the device can be prevented, and the service life of the device is prolonged.

In the fourth embodiment, based on the third embodiment, as shown in fig. 1 and 2, a rotating handle 12 is fixedly installed at the lower end of the threaded support rod 11, a layer of sheath is wrapped on the outer side of the rotating handle 12, and the rotating handle 12 is used for rotating the threaded support rod 11.

Fifth embodiment, on the basis of the fourth embodiment, as shown in fig. 1 and 2, the two sides of the lower end of the vertical rod 7 are fixedly and symmetrically connected with positioning blocks 13, and the positioning blocks 13 play a role in connection and positioning.

Sixth embodiment, on the basis of fifth embodiment, as shown in fig. 1 and 2, the upper ends of the loop bars 16 are fixedly and symmetrically provided with the positioning telescopic rods 14 at two sides of the spiral through hole 9, the positioning telescopic rods 14 are fixedly connected with the positioning blocks 13, and the positioning telescopic rods 14 are connected with the positioning blocks 13, so that the vertical bar 7 can be prevented from rotating along with the rotation of the threaded support bar 11, and the vertical lifting of the vertical bar 7 is not affected.

The working principle is as follows: when the lathe works, the thimble 3 fixes one end of a workpiece, the loop bar 16 is pulled to adjust the length of the cross bar 6, so that the transverse position of the workpiece clamping plate 8 is consistent with the transverse position of the workpiece, the rotating handle 12 is rotated to drive the threaded supporting rod 11 to rotate, the threaded supporting rod 11 can rotate in the spiral through hole 9 and move up and down, the positioning telescopic rod 14 is connected with the positioning block 13, the vertical rod 7 can be prevented from rotating along with the rotation of the threaded supporting rod 11, the vertical lifting of the vertical rod 7 is not influenced, the longitudinal position of the workpiece clamping plate 8 is adjusted to be consistent with the longitudinal position of the workpiece, so that the two workpiece clamping plates 8 on two sides of the workpiece can tightly fix the workpiece, the workpiece can be better fixed on a lathe tailstock under the comprehensive action, the influence caused by vibration when a large-sized workpiece is cut is greatly reduced, the loop bar 16 is sleeved on the main rod 15, the stability of the workpiece is ensured constantly, and the machining is more accurate.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tailstock device for lathe, includes pedestal (1), its characterized in that: fixedly connected with thimble mechanism (2) above pedestal (1), thimble mechanism (2) both sides are provided with thimble (3) and crank (4) respectively, pedestal (1) bilateral symmetry fixed mounting has fixed block (5), fixed mounting has horizontal pole (6) on fixed block (5), keep away from pedestal (1) one end on horizontal pole (6) and be equipped with high adjustment mechanism, install montant (7) on the high adjustment mechanism, fixed mounting has work piece splint (8) on montant (7), horizontal pole (6) include mobile jib (15) and loop bar (16), spout (17) have been seted up to the symmetry on mobile jib (15), fixedly connected with sleeve pipe (18) on loop bar (16), the symmetry is equipped with slider (19) on sleeve pipe (18), slider (19) and spout (17) phase-match, slider (19) and spout (17) swing joint.

2. The tailstock apparatus for a lathe according to claim 1, wherein: the height adjusting mechanism comprises a spiral ring through hole (9) arranged in the loop bar (16), a connecting groove (10) arranged in the vertical bar (7) and a threaded support bar (11) which penetrates through the spiral ring through hole (9) and is movably connected with the connecting groove (10), and the spiral ring through hole (9) is matched with the threaded support bar (11).

3. The tailstock apparatus for a lathe according to claim 2, wherein: a bearing is arranged between the connecting groove (10) and the threaded supporting rod (11), and the threaded supporting rod (11) is movably connected with the vertical rod (7) through the bearing.

4. The tailstock apparatus for a lathe according to claim 3, wherein: the lower end of the threaded support rod (11) is fixedly provided with a rotating handle (12), and the outer side of the rotating handle (12) is wrapped with a layer of sheath.

5. The tailstock apparatus for a lathe according to claim 4, wherein: and positioning blocks (13) are fixedly and symmetrically connected to two sides of the lower end of the vertical rod (7).

6. The tailstock apparatus for a lathe according to claim 5, wherein: the upper end of the loop bar (16) is positioned at two sides of the spiral ring through hole (9) and is fixedly and symmetrically provided with positioning telescopic rods (14), and the positioning telescopic rods (14) are fixedly connected with the positioning blocks (13).