CN212734186U

CN212734186U - Lathe live center device

Info

Publication number: CN212734186U
Application number: CN202021014109.8U
Authority: CN
Inventors: 王玉龙
Original assignee: Qingdao Haicheng Cnc Equipment Co ltd
Current assignee: Qingdao Haicheng Cnc Equipment Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-03-19
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a lathe live center device, including sliding base, the equal fixed spout of having seted up of sliding base both sides wall, two first backup pads of sliding base up end one side fixedly connected with, fixedly connected with connecting plate between two first backup pads, the upper end fixedly connected with sleeve of two first backup pads and connecting plate, the fixed first end cover that is provided with of sleeve afterbody, the lower extreme all is through third fastening bolt and sleeve rear end fixed connection on the first end cover, the fixed locking device that is provided with in one side of first end cover is kept away from to the sleeve upper end, the inside slip of sleeve is provided with the moving part, the open slot has all been fixed at the inside both ends of moving part. The utility model discloses a lathe live center device avoids manual operation, and the precision is also than higher, makes top fixed more firm, easily fixes also convenient the dismantlement, and the device convenient to use, labour saving and time saving is worth promoting.

Description

Lathe live center device

Technical Field

The utility model relates to a top device field especially relates to a lathe live center device.

Background

At present, in the turning process, a slender shaft is usually machined by a one-clamping one-top process mode, a live center is a key auxiliary tool for ensuring whether a workpiece can be machined smoothly, a lathe center is provided with a front center and a rear center, a lathe is used for centering and bearing the gravity and the cutting force of the workpiece, the front center of the lathe can be directly installed in a taper hole of a main shaft of the lathe, the front center and the workpiece rotate together without relative movement, the rear center is provided with a fixed center and a rotating center, and the rear center can be inserted into a sleeve of a lathe tailstock when the lathe is used.

When a common live center is processed, the center is manually separated from a workpiece in a cutting process so as to avoid cutting, the manual operation wastes time and labor, the fixation is not tight enough, the center is troublesome in installation, use and removal, the time and the labor are wasted, and when the center is moved, the sleeve is easily clamped on the limiting block, so that the limiting block is seriously abraded and needs to be frequently replaced.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above purpose, the utility model adopts the following technical scheme: a lathe live center device comprises a sliding base, wherein sliding grooves are fixedly formed in two side walls of the sliding base, two first supporting plates are fixedly connected to one side of the upper end face of the sliding base, a connecting plate is fixedly connected between the two first supporting plates, sleeves are fixedly connected to the upper ends of the two first supporting plates and the connecting plate, a first end cover is fixedly arranged at the tail of each sleeve, the upper end and the lower end of each first end cover are fixedly connected with the rear end of each sleeve through third fastening bolts, a locking device is fixedly arranged on one side, away from the first end cover, of the upper end of each sleeve, a moving part is slidably arranged in each sleeve, open grooves are fixedly formed in two ends in each moving part, a push rod is fixedly arranged in each open groove, away from the first end cover, a center is fixedly connected to one end, away, the movable part is kept away from top's one end and is fixedly provided with the second end cover, the top fixed connection is all kept away from top's one end through second fastening bolt and movable part to the lower extreme on the second end cover, two second backup pads of one end fixedly connected with of first backup pad are kept away from to the sliding bottom up end, the case is placed to two second backup pad upper end fixedly connected with, place the fixed motor that is provided with in incasement portion, the first threaded rod of output fixedly connected with of motor, the one end that the motor was kept away from to the first threaded rod runs through and places case, first end cover and second end cover and stretch into the open slot inside keeping away from top, the first threaded rod and the equal threaded connection of first end cover and second end cover.

As a further description of the above technical solution:

a plurality of first fastening bolts are fixedly arranged on the upper arms of the two sliding grooves.

As a further description of the above technical solution:

the inner wall of the opening groove far away from the first end cover and the outer wall of the ejector rod are both fixedly provided with threads, and the ejector rod is fixedly connected with the moving part through the threads.

As a further description of the above technical solution:

and the upper end of the sleeve is fixedly provided with a limit screw close to the locking device, and the lower end of the limit screw extends into the limit groove.

As a further description of the above technical solution:

the locking device comprises a locking seat, a second threaded rod, a locking rotary table and a locking handle, wherein a groove is fixedly formed in the upper portion of the locking seat on the inner wall of the sleeve, the second threaded rod penetrates through the upper wall of the sleeve, the locking seat is fixedly connected to the lower end of the second threaded rod, the locking rotary table is fixedly connected to the upper end of the second threaded rod, and the locking handle is fixedly connected to the side wall of the locking rotary table.

As a further description of the above technical solution:

the placing box is characterized in that the side wall of the placing box is fixedly provided with a plurality of heat dissipation holes, and the lower end of the side wall of the placing box is fixedly provided with a switch controller.

The utility model discloses following beneficial effect has:

the utility model provides a lathe live center device, adopt the moving part to slide in the sleeve and carry out top removal, move with the motor simultaneously, realized automatic top and withdraw from top operation of getting into, manual operation has been avoided, it is very convenient, the precision is also than higher, the cooperation of end cover and threaded rod can be fixed fast to the activity, thereby fix the apex, prevent top returning, locking device can further be fixed with the movable block, make top fixed more firm, sliding base and spout and fastening bolt's setting can be convenient fix the tailstock position at the lathe with top device, also convenient the dismantlement simultaneously, high durability and convenient use, time saving and labor saving.

Drawings

Fig. 1 is a front view of a lathe live center device provided by the present invention;

fig. 2 is a front cross-sectional view of a lathe live center device provided by the present invention;

fig. 3 is a side view of a lathe live center device provided by the present invention;

fig. 4 is an enlarged view of fig. 2-a according to the present invention.

Illustration of the drawings:

1. a sliding base; 2. a chute; 3. a first support plate; 4. a tip; 5. a locking device; 6. a connecting plate; 7. a sleeve; 8. a first end cap; 9. placing a box; 10. heat dissipation holes; 11. a switch controller; 12. a second support plate; 13. a first fastening bolt; 14. a movable member; 15. a thread; 16. a top rod; 17. a limiting groove; 18. a limit screw; 19. an open slot; 20. a second fastening bolt; 21. a second end cap; 22. a third fastening bolt; 23. a first threaded rod; 24. an electric motor; 25. a locking seat; 26. a groove; 27. a second threaded rod; 28. locking the turntable; 29. and (5) locking the handle.

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. 1-4, the present invention provides an embodiment: a lathe live center device comprises a sliding base 1, sliding grooves 2 are fixedly formed in two side walls of the sliding base 1, two first supporting plates 3 are fixedly connected to one side of the upper end face of the sliding base 1, a connecting plate 6 is fixedly connected between the two first supporting plates 3, a sleeve 7 is fixedly connected to the upper ends of the two first supporting plates 3 and the connecting plate 6, a first end cover 8 is fixedly arranged at the tail of the sleeve 7, the upper end and the lower end of the first end cover 8 are fixedly connected with the rear end of the sleeve 7 through third fastening bolts 22, a locking device 5 is fixedly arranged on one side, far away from the first end cover 8, of the upper end of the sleeve 7, a moving part 14 is arranged in the sleeve 7 in a sliding mode, open grooves 19 are fixedly formed in two ends inside the moving part 14, an ejector rod 16 is fixedly arranged inside the open groove 19 far away from the first end cover 8, a center, the fixed second end cover 21 that is provided with of one end that keeps away from top 4 of moving part 14, the one end fixed connection that keeps away from top 4 all through second fastening bolt 20 and moving part 14 is gone up to lower extreme on the second end cover 21, two second backup pads 12 of one end fixedly connected with of first backup pad 3 are kept away from to 1 up end of sliding base, case 9 is placed to two second backup pad 12 upper end fixedly connected with, place the inside fixed motor 24 that is provided with of case 9, the first threaded rod 23 of output fixedly connected with of motor 24, the one end that motor 24 was kept away from to first threaded rod 23 runs through places case 9, inside first end cover 8 and second end cover 21 stretched into the open slot 19 of keeping away from top 4, first threaded rod 23 and first end cover 8 and the equal threaded connection of second end cover 21.

A plurality of first fastening bolts 13 are fixedly arranged on the upper arms of the two chutes 2, the inner walls of the open grooves 19 far away from the first end covers 8 and the outer walls of the ejector rods 16 are fixedly provided with threads 15, the ejector rods 16 are fixedly connected with the movable piece 14 through the threads 15, the upper end of the sleeve 7 near the locking device 5 is fixedly provided with a limiting screw 18, the lower end of the limiting screw 18 extends into the limiting groove 17, the locking device 5 comprises a locking seat 25 and a second threaded rod 27, locking carousel 28 and locking handle 29, sleeve 7 inner wall is locking the fixed set up recess 26 in seat 25 upper portion, second threaded rod 27 runs through the sleeve 7 upper wall, second threaded rod 27 lower extreme fixedly connected with locks the seat 25, second threaded rod 27 upper end fixedly connected with locking carousel 28, locking carousel 28 lateral wall fixedly connected with locking handle 29 places case 9 lateral wall and fixes and has seted up a plurality of louvres 10, places case 9 lateral wall lower extreme and fixes and be provided with on-off controller 11.

The working principle is as follows: during the use, fix sliding bottom 1 at the tailstock portion of lathe through spout 2 and first fastening bolt 13, then with ejector pin 16 through screw 15 precession moving part 14 inside, thereby fix top 4, start motor 24 through on-off controller 11, motor 24 rotates and drives first threaded rod 23 and rotate, first threaded rod 23 rotates and drives moving part 14 and slide in sleeve 7, thereby realize top 4's top and withdraw from, first end cover 8, the position of moving part 14 can be fixed in the screw-thread fit of second end cover 21 and first threaded rod 23, locking device 5 can further fix moving part 14, spacing groove 17 and stop screw 18 can be spacing to moving part 14's motion, prevent moving part 14 excessive sliding, the device convenient to use, time saving and labor saving, be worth promoting.

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 live center device, includes sliding bottom (1), its characterized in that: the sliding device is characterized in that sliding grooves (2) are fixedly formed in two side walls of the sliding base (1), two first supporting plates (3) are fixedly connected to one side of the upper end face of the sliding base (1), a connecting plate (6) is fixedly connected between the two first supporting plates (3), a sleeve (7) is fixedly connected to the upper ends of the two first supporting plates (3) and the connecting plate (6), a first end cover (8) is fixedly arranged at the tail of the sleeve (7), the upper end and the lower end of the first end cover (8) are fixedly connected with the rear end of the sleeve (7) through third fastening bolts (22), a locking device (5) is fixedly arranged on one side, far away from the first end cover (8), of the upper end of the sleeve (7), a moving part (14) is arranged in the sleeve (7) in a sliding mode, open grooves (19) are fixedly formed in two ends of the moving part (14), an ejector rod (16) is fixedly, the lifting device is characterized in that a tip (4) is fixedly connected to one end, away from the moving part (14), of the ejector rod (16), a limiting groove (17) is fixedly formed in the upper end of the moving part (14), a second end cover (21) is fixedly arranged at one end, away from the tip (4), of the moving part (14), the upper end and the lower end of the second end cover (21) are fixedly connected with one end, away from the tip (4), of the moving part (14) through second fastening bolts (20), two second supporting plates (12) are fixedly connected to one end, away from the first supporting plate (3), of the upper end face of the sliding base (1), a containing box (9) is fixedly connected to the upper ends of the two second supporting plates (12), a motor (24) is fixedly arranged inside the containing box (9), a first threaded rod (23) is fixedly connected to the output end of the motor (24), and one end, away from the motor (24), the first end cover (8) and the second end cover (21) extend into the opening groove (19) far away from the tip (4), and the first threaded rod (23) is in threaded connection with the first end cover (8) and the second end cover (21).

2. The lathe live center device of claim 1, wherein: the upper arms of the two sliding grooves (2) are fixedly provided with a plurality of first fastening bolts (13).

3. The lathe live center device of claim 1, wherein: the inner wall of an opening groove (19) far away from the first end cover (8) and the outer wall of the ejector rod (16) are both fixedly provided with threads (15), and the ejector rod (16) is fixedly connected with the moving piece (14) through the threads (15).

4. The lathe live center device of claim 1, wherein: the upper end of the sleeve (7) is fixedly provided with a limit screw (18) close to the locking device (5), and the lower end of the limit screw (18) extends into the limit groove (17).

5. The lathe live center device of claim 1, wherein: locking device (5) are including locking seat (25), second threaded rod (27), locking carousel (28) and locking handle (29), sleeve (7) inner wall is fixed in locking seat (25) upper portion and is seted up fluted (26), sleeve (7) upper wall is run through in second threaded rod (27), second threaded rod (27) lower extreme fixedly connected with locking seat (25), second threaded rod (27) upper end fixedly connected with locking carousel (28), locking carousel (28) lateral wall fixedly connected with locking handle (29).

6. The lathe live center device of claim 1, wherein: the side wall of the placing box (9) is fixedly provided with a plurality of heat dissipation holes (10), and the lower end of the side wall of the placing box (9) is fixedly provided with a switch controller (11).