CN213794266U

CN213794266U - Lathe tailstock thimble device

Info

Publication number: CN213794266U
Application number: CN202022122380.XU
Authority: CN
Inventors: 张宗渝
Original assignee: Chongqing Yukunlong Metallurgical Material Co ltd
Current assignee: Chongqing Yukunlong Metallurgical Material Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-27
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a lathe tailstock thimble device, comprises a workbench, the slide rail has been seted up to the upper surface of workstation, the inside swing joint of slide rail has the slider, the inside threaded connection of slider has the threaded rod, the one end of threaded rod extends to slider top and fixedly connected with rocker, the locating hole has been seted up to the inside of slide rail, the lower surface of slider is seted up flutedly, the inside swing joint of recess has the ball, the last fixed surface of slider is connected with the fixing base, the spout has been seted up to the inside of fixing base. The utility model discloses, through setting up slide rail, slider, be convenient for remove the slider according to the size of work piece, the inside of slider is provided with threaded rod, rocker to the inside of slide rail is provided with the locating hole, changes over to the locating hole into through rocker control threaded rod, and fixes the slider, thereby fixes the tailstock body, and structural design is reasonable, and convenient operation is convenient for process not unidimensional work piece.

Description

Lathe tailstock thimble device

Technical Field

The utility model relates to a machining equipment technical field especially relates to a lathe tailstock thimble device.

Background

In the machine manufacturing industry, a tailstock and an ejector pin are indispensable auxiliary tools of a lathe, the lathe tailstock generally plays a role in auxiliary supporting a workpiece during machining, and the lathe tailstock consists of a tailstock body and a tailstock sleeve.

But current lathe processing, some are fixed the tailstock on the workstation, but have certain defect, because the work piece size of processing is uncertain, lead to the thimble can't push up the work piece tightly, some are through setting up the spout with the tailstock bottom, be convenient for adjust the tailstock according to the work piece size of processing, but also have certain defect, because the lathe tailstock often moves on the guide rail, in addition long-term use, so accelerated the wearing and tearing of tailstock, cause the concentricity of thimble and work piece to have the deviation, thereby influence the quality of work piece processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lathe tailstock thimble device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a lathe tailstock thimble device comprises a workbench, wherein a slide rail is arranged on the upper surface of the workbench, a slide block is movably connected inside the slide rail, a threaded rod is connected inside the slide block in a threaded manner, one end of the threaded rod extends to the position above the slide block and is fixedly connected with a rocker, and a positioning hole is formed inside the slide rail;

the lower surface of the sliding block is provided with a groove, and a ball is movably connected inside the groove;

the upper surface of the sliding block is fixedly connected with a fixed seat, a sliding groove is formed in the fixed seat, a supporting column is movably connected in the sliding groove, a toothed plate is fixedly connected to the side surface of the supporting column, an adjusting rod is movably connected to the side surface of the fixed seat, and one end of the adjusting rod extends into the fixed seat and is fixedly connected with a gear;

the gear is kept away from to the regulation pole one end fixedly connected with adjusting disk, the side surface of adjusting disk is provided with annular scale.

As a further description of the above technical solution:

the one end fixedly connected with tailstock body of fixing base is kept away from to the support column, the inside of tailstock body is provided with the sleeve.

As a further description of the above technical solution:

the inside swing joint of sleeve has a syringe needle, the side surface of tailstock body passes through flange fixedly connected with hydraulic cylinder.

As a further description of the above technical solution:

the movable shaft of the hydraulic cylinder extends to the interior of the tailstock body and is fixedly connected with the ejector pin head.

As a further description of the above technical solution:

the upper surface of workstation just is located one side fixedly connected with stopper of slide rail, the lower fixed surface of workstation is connected with the base.

As a further description of the above technical solution:

the number of the positioning holes is multiple, the positioning holes are evenly distributed in the sliding rail, and the positioning holes are matched with the threaded rods.

As a further description of the above technical solution:

the quantity of recess is provided with a plurality ofly to evenly distributed is at the lower surface of slider, the recess and ball looks adaptation.

As a further description of the above technical solution:

the toothed plate is meshed with the gear, and the outer surface of the adjusting disc is provided with grains.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this lathe tailstock thimble device through setting up slide rail, slider, is convenient for remove the slider according to the size of work piece, and the inside of slider is provided with threaded rod, rocker to the inside of slide rail is provided with the locating hole, changes over to the locating hole into through the rocker control threaded rod, and fixes the slider, thereby fixes the tailstock body, and structural design is reasonable, and convenient operation is convenient for process the work piece of not unidimensional.

2. Compared with the prior art, the lathe tailstock thimble device has the advantages that the lower surface of the sliding block is provided with the groove, the ball is arranged inside the groove, friction between the sliding block and the workbench is reduced, the structure is simple, and the sliding block can move more smoothly.

3. Compared with the prior art, this lathe tailstock thimble device, inside spout, support column, pinion rack, the regulation pole, the gear of being provided with of fixing base, control the gear through adjusting the pole and drive the pinion rack and reciprocate to control the support column and take the tailstock body to reciprocate, be convenient for adjust the concentricity between syringe needle and the work piece.

4. Compared with the prior art, the lathe tailstock ejector pin device has the advantages that the side surface of the adjusting disc is provided with the annular graduated scale, so that the concentricity between the ejector pin head and a workpiece is adjusted more accurately.

Drawings

Fig. 1 is a schematic view of an overall structure of a lathe tailstock thimble device provided by the present invention;

fig. 2 is a side sectional view of a lathe tailstock thimble device provided by the present invention;

fig. 3 is a schematic structural view of a in fig. 2 according to the present invention;

fig. 4 is a top view of the thimble device of the lathe tailstock proposed by the present invention;

fig. 5 is a schematic view of an internal structure of a fixing seat of the lathe tailstock thimble device provided by the present invention;

fig. 6 is a front view of the present invention, which provides a lathe tailstock thimble device.

Illustration of the drawings:

1. a work table; 2. a slide rail; 3. a slider; 4. a threaded rod; 5. a rocker; 6. positioning holes; 7. a groove; 8. a ball bearing; 9. a fixed seat; 10. a chute; 11. a support pillar; 12. a toothed plate; 13. adjusting a rod; 14. a gear; 15. an adjusting disk; 16. an annular scale; 17. a tailstock body; 18. a sleeve; 19. Ejecting a needle head; 20. a connecting flange; 21. a hydraulic cylinder; 22. a limiting block; 23. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the utility model provides a pair of lathe tailstock thimble device: the automatic positioning device comprises a workbench 1, wherein a sliding rail 2 is arranged on the upper surface of the workbench 1, a sliding block 3 is movably connected inside the sliding rail 2, a threaded rod 4 is connected inside the sliding block 3 in a threaded manner, one end of the threaded rod 4 extends to the position above the sliding block 3 and is fixedly connected with a rocker 5, the rocker 5 is used for controlling the threaded rod 4 to rotate into a positioning hole 6, so that the sliding block 3 is conveniently fixed on the workbench 1, a plurality of positioning holes 6 are arranged inside the sliding rail 2, the positioning holes 6 are uniformly distributed inside the sliding rail 2, and the positioning holes 6 are matched with the threaded rod 4; the lower surface of the sliding block 3 is provided with a groove 7, the inside of the groove 7 is movably connected with a ball 8 and is used for reducing friction between the sliding block 3 and the workbench 1, so that the sliding block 3 can move more smoothly, a plurality of grooves 7 are arranged and are uniformly distributed on the lower surface of the sliding block 3, and the grooves 7 are matched with the ball 8; the upper surface of the sliding block 3 is fixedly connected with a fixed seat 9, a sliding groove 10 is formed in the fixed seat 9, a supporting column 11 is movably connected in the sliding groove 10 and used for supporting a tailstock body 17, a toothed plate 12 is fixedly connected to the side surface of the supporting column 11, an adjusting rod 13 is movably connected to the side surface of the fixed seat 9 and used for driving the supporting column 11 to move up and down, the concentricity between the ejector pin head 19 and a workpiece is convenient to adjust, one end of the adjusting rod 13 extends into the fixed seat 9 and is fixedly connected with a gear 14, and the toothed plate 12 is meshed with the gear 14; an adjusting disc 15 is fixedly connected to one end, far away from the gear 14, of the adjusting rod 13 and used for driving the adjusting rod 13 to rotate, lines are arranged on the outer surface of the adjusting disc 15, and an annular graduated scale 16 is arranged on the side surface of the adjusting disc 15, so that the concentricity between the ejector pin head 19 and the workpiece is adjusted more accurately.

One end fixedly connected with tailstock body 17 of fixing base 9 is kept away from to support column 11, the inside of tailstock body 17 is provided with sleeve 18, the inside swing joint of sleeve 18 has thimble head 19, flange 20 fixedly connected with hydraulic cylinder 21 is passed through to the side surface of tailstock body 17, be used for controlling the flexible of thimble head 19, the loose axle of hydraulic cylinder 21 extend to tailstock body 17 inside and with thimble head 19 fixed connection, the upper surface of workstation 1 just is located one side fixedly connected with stopper 22 of slide rail 2, prevent that slider 3 from droing in slide rail 2, the lower fixed surface of workstation 1 is connected with base 23.

The working principle is as follows: during the use, according to work piece size removal slider 3, make slider 3 remove in slide rail 2, when removing suitable position, control threaded rod 4 changes over into locating hole 6 through rocker 5 in, thereby fix slider 3 on workstation 1, the lower surface of slider 3 is through setting up ball 8, be used for reducing the friction between slider 3 and the workstation 1, it is more smooth to make slider 3 remove, control regulation pole 13 drive support column 11 through adjusting disk 15 and reciprocate, thereby control thimble head 19 reciprocates, be convenient for adjust the concentricity between thimble head 19 and the work piece, through observing annular scale 16, make the concentricity between thimble head 19 and the work piece adjust more accurate.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a lathe tailstock thimble device, includes workstation (1), its characterized in that: a sliding rail (2) is arranged on the upper surface of the workbench (1), a sliding block (3) is movably connected inside the sliding rail (2), a threaded rod (4) is connected inside the sliding block (3) in a threaded manner, one end of the threaded rod (4) extends to the upper side of the sliding block (3) and is fixedly connected with a rocker (5), and a positioning hole (6) is arranged inside the sliding rail (2);

a groove (7) is formed in the lower surface of the sliding block (3), and a ball (8) is movably connected inside the groove (7);

the upper surface of the sliding block (3) is fixedly connected with a fixed seat (9), a sliding groove (10) is formed in the fixed seat (9), a supporting column (11) is movably connected in the sliding groove (10), a toothed plate (12) is fixedly connected to the side surface of the supporting column (11), an adjusting rod (13) is movably connected to the side surface of the fixed seat (9), and one end of the adjusting rod (13) extends into the fixed seat (9) and is fixedly connected with a gear (14);

one end, far away from the gear (14), of the adjusting rod (13) is fixedly connected with an adjusting disc (15), and an annular graduated scale (16) is arranged on the side surface of the adjusting disc (15).

2. The lathe tailstock ejector device of claim 1, wherein: the support column (11) is far away from one end of the fixed seat (9) and is fixedly connected with a tailstock body (17), and a sleeve (18) is arranged inside the tailstock body (17).

3. The lathe tailstock ejector device of claim 2, wherein: the inside swing joint of sleeve (18) has a thimble head (19), the side surface of tailstock body (17) is through flange (20) fixedly connected with hydraulic cylinder (21).

4. The lathe tailstock ejector device of claim 3, wherein: the movable shaft of the hydraulic cylinder (21) extends into the tailstock body (17) and is fixedly connected with the ejector pin head (19).

5. The lathe tailstock ejector device of claim 1, wherein: the upper surface of workstation (1) just is located one side fixedly connected with stopper (22) of slide rail (2), the lower fixed surface of workstation (1) is connected with base (23).

6. The lathe tailstock ejector device of claim 1, wherein: the number of the positioning holes (6) is provided with a plurality of positioning holes which are uniformly distributed in the sliding rail (2), and the positioning holes (6) are matched with the threaded rods (4).

7. The lathe tailstock ejector device of claim 1, wherein: the number of the grooves (7) is provided with a plurality of grooves which are evenly distributed on the lower surface of the sliding block (3), and the grooves (7) are matched with the balls (8).

8. The lathe tailstock ejector device of claim 1, wherein: the toothed plate (12) is meshed with the gear (14), and the outer surface of the adjusting plate (15) is provided with grains.