CN220612328U

CN220612328U - Tailstock of lathe

Info

Publication number: CN220612328U
Application number: CN202322241331.1U
Authority: CN
Inventors: 徐芳良; 徐乔; 钟龙君
Original assignee: Dalian Hengtong Motorcycle Accessories Co ltd
Current assignee: Dalian Hengtong Motorcycle Accessories Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-03-19
Anticipated expiration: 2033-08-21

Abstract

The utility model discloses a tail frame of a lathe, which comprises a base, wherein a tail frame seat is arranged above the base, a crank is fixedly connected to one side of an adjusting wire shaft, a tip sleeve is movably connected to one side of the adjusting wire shaft, and a height-adjustable structure is arranged between the top of the base and the bottom of the tail frame seat. This tailstock of lathe is through being provided with bottom layer board, adjusting bolt, the internal thread tube socket, heightening steel sheet, side hangers, snatch groove and top clamp plate, during the use, unscrew adjusting bolt, the space between bottom layer board and the top clamp plate can be adjusted, insert heightening steel sheet along the space, until the side hangers supports tightly adjusting bolt's side, can screw adjusting bolt, adjusting bolt locks gradually along the internal thread tube socket, distance between bottom layer board and the top clamp plate is fixed promptly, the height of tailstock has also been fixed, the function of being convenient for adjust tailstock height has been realized, the problem of the device not possessing the function of being convenient for adjust tailstock height is solved.

Description

Tailstock of lathe

Technical Field

The utility model relates to the technical field of lathe accessories, in particular to a tailstock of a lathe.

Background

The lathe tailstock is one of the most important parts on a lathe and is a main lathe accessory of the lathe for supporting turning machining and drilling of shaft parts. When the shaft parts are machined, the center of the shaft parts is used for tightly propping against the workpiece, so that the machining stability is ensured.

The tail frames of the common lathes on the market are mostly similar in structure, take a tail frame seat as a main body, drive a screw rod to operate by shaking a hand wheel, push a center sleeve out by the screw rod, and the center abuts against the tail of a workpiece, so that the tail frames have certain functional defects in the actual use process, have certain improvement spaces, such as the height fixation of the tail frame seat, have certain limitations under the processing requirements of different lathes and complexity and variability, and do not have the function of being convenient for adjusting the height of the tail frame; secondly, the shrinkage of the tail frame center depends on the guiding of the screw rod, the screw rod and the threaded sleeve are easy to wear and age after long-term running-in, the whole lubricating maintenance is required to be disassembled, and the tail frame center is troublesome and does not have the function of facilitating oil feeding and lubricating; in addition, on the lathe of different specifications, the guide rail specifications for adjusting the tailstock position are also different, but the bottom of the existing tailstock seat generally can be used for fixing the guide rail nesting, cannot be matched with the guide rails of different specifications well, and does not have the function of being convenient for replacing the bottom guide rail matching piece.

At present, a novel tailstock of a lathe is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide a tailstock of a lathe, so as to solve the problem that the tailstock has no function of conveniently adjusting the height of the tailstock in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the tail frame of the lathe comprises a base, the top of base is provided with the tail frame seat, the inside one side fixedly connected with internal thread bobbin of tail frame seat, the inside transverse grafting of internal thread bobbin has the regulation silk axle, one side fixedly connected with crank of regulation silk axle, one side swing joint of regulation silk axle has top cover, one side grafting of top cover has the steel top, one side swing joint at tail frame seat top has the locking handle, the opposite side fixedly connected with internal thread fixing base at tail frame seat top, the bottom of base is provided with the bottom plate seat, the top fixedly connected with caulking groove of bottom plate seat, be provided with height adjustable structure between the bottom of base top and tail frame seat.

The height-adjustable structure comprises a bottom supporting plate, the bottom supporting plate is welded at the top of a base, internal thread tube seats are welded at four corners of the bottom supporting plate respectively, a top pressing plate is welded at the bottom of a tail frame seat, three groups of height-adjusting steel plates are horizontally arranged at the top of the bottom supporting plate, side hanging lugs are respectively arranged at the front end and the rear end of each height-adjusting steel plate, grabbing grooves are formed in one side of the top end of each height-adjusting steel plate, and adjusting bolts are vertically inserted at the four corners of the top of each top pressing plate respectively.

Preferably, the adjusting bolt penetrates through the interiors of the bottom supporting plate and the top pressing plate and extends into the interior of the internal thread tube seat, and the threads on the exterior of the adjusting bolt are matched with the threads on the interior of the internal thread tube seat.

Preferably, the inner diameter of the side hanging lugs is consistent with the outer diameter of the adjusting bolt.

Preferably, the top threaded connection of internal thread fixing base has the rubber oil bag, the vertical fixedly connected with of bottom of internal thread fixing base leads oil pipe, internal thread bobbin, internal thread fixing base, rubber oil bag, lead the inside of oil pipe and be linked together.

Preferably, the shape and the size of the bottom of the base are matched with those of the interior of the prefabricated caulking groove.

Preferably, the high-strength bolts are inserted into the two sides of the prefabricated caulking groove respectively, the bottom of the bottom plate seat is transversely welded with the sliding rail embedded sleeve, and the high-strength bolts penetrate through the prefabricated caulking groove and extend into the base.

Compared with the prior art, the utility model has the beneficial effects that: the tailstock of this lathe has not only realized the function of being convenient for adjust tailstock height, has realized the lubricated function of being convenient for the oil feed, has realized the function of being convenient for change bottom guide rail cooperation piece moreover:

(1) Through being provided with bottom layer board, adjusting bolt, the internal thread tube socket, heightening steel sheet, side hangers, snatch groove and top clamp plate, during the use, rotate the crank, the crank drives the adjusting wire axle and moves to one side along the internal thread bobbin, promote the outside displacement of top cover, the inside steel top of top cover supports tightly the work piece afterbody promptly, according to the specification of lathe and the actual need of processing the work piece, can adjust the height of tailstock, unscrew adjusting bolt, the space between bottom layer board and the top clamp plate can be adjusted, insert heightening steel sheet along the space, until side hangers support the side of tightening adjusting bolt, can screw adjusting bolt, adjusting bolt locks gradually along the internal thread tube socket, distance between bottom layer board and the top clamp plate is fixed, the height of tailstock has also been fixed, snatch the groove conveniently grabs and puts the heightening steel sheet, the function of being convenient for adjust tailstock height has been realized.

(2) Through being provided with internal thread fixing base, rubber oil bag and leading oil pipe, during the use, when need go on the lubrication to adjusting screw axle and internal thread bobbin, can unscrew the rubber oil bag from the internal thread fixing base earlier, then pour into the rubber oil bag with lubricating grease into, again with the rubber oil bag spiral into the internal thread fixing base, rotate the crank and gently pinch the rubber oil bag simultaneously, oil enters into the internal thread bobbin along leading oil pipe promptly, evenly scribbles outside along with the rotation of adjusting screw axle, has realized the lubricated function of the oil feeding of being convenient for.

(3) Through being provided with bottom board seat, prefabricated caulking groove, high strength bolt and slide rail gomphosis cover, during the use, according to the specification of lathe and the style of slide rail, can select the bottom board seat that corresponds specification slide rail gomphosis cover, in the prefabricated caulking groove at bottom board seat top was directly gone into to the base card, the high strength bolt is beaten into along the side, and the loosening probability is lower in the side, and slide rail gomphosis cover and the slide rail mutual block of below can stable displacement, have realized the function of being convenient for change bottom guide rail cooperation piece.

Drawings

FIG. 1 is a schematic view of a front partial cross-sectional structure of the present utility model;

FIG. 2 is a schematic top view of the height-adjusting steel plate of the present utility model;

FIG. 3 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;

fig. 4 is a schematic top view of the bottom plate base of the present utility model.

In the figure: 1. a base; 2. a bottom pallet; 3. an adjusting bolt; 4. an internal thread tube seat; 5. raising the steel plate; 6. side hangers; 7. a grabbing groove; 8. a top platen; 9. a tailstock seat; 10. a steel center; 11. a center sleeve; 12. a locking handle; 13. an internal thread bobbin; 14. adjusting the wire shaft; 15. an internal thread fixing seat; 16. a rubber oil bag; 17. an oil guide pipe; 18. a crank; 19. a bottom plate base; 20. prefabricating caulking grooves; 21. a high strength bolt; 22. the slide rail is embedded and sleeved.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, a tailstock of a lathe comprises a base 1, a tailstock seat 9 is arranged above the base 1, one side of the interior of the tailstock seat 9 is fixedly connected with an internal thread bobbin 13, an adjusting wire shaft 14 is transversely inserted into the interior of the internal thread bobbin 13, one side of the adjusting wire shaft 14 is fixedly connected with a crank 18, one side of the adjusting wire shaft 14 is movably connected with a center sleeve 11, one side of the center sleeve 11 is inserted with a steel center 10, one side of the top of the tailstock seat 9 is movably connected with a locking handle 12, and a height-adjustable structure is arranged between the top of the base 1 and the bottom of the tailstock seat 9;

referring to fig. 1-4, the tail frame of the lathe further comprises a height-adjustable structure, the height-adjustable structure comprises a bottom supporting plate 2, the bottom supporting plate 2 is welded at the top of the base 1, four corners of the bottom supporting plate 2 are respectively welded with an internal thread tube seat 4, the bottom of the tail frame seat 9 is welded with a top pressing plate 8, three groups of height-adjusting steel plates 5 are horizontally arranged at the top of the bottom supporting plate 2, side lugs 6 are respectively arranged at the front end and the rear end of the height-adjusting steel plates 5, grabbing grooves 7 are formed in one side of the top end of the height-adjusting steel plates 5, and adjusting bolts 3 are vertically inserted into the four corners of the top pressing plate 8;

the adjusting bolt 3 penetrates through the bottom supporting plate 2 and the top pressing plate 8 and extends into the internal threaded tube seat 4, threads on the outer side of the adjusting bolt 3 are matched with threads in the internal threaded tube seat 4, the inner diameter of the side hanging lugs 6 is matched with the outer diameter of the adjusting bolt 3, and the height of the tail frame is controlled by adjusting the number of layers of the heightening steel plates 5;

specifically, as shown in fig. 1 and 2, the adjusting bolt 3 is unscrewed, the gap between the bottom supporting plate 2 and the top pressing plate 8 can be adjusted, the height-adjusting steel plate 5 is inserted along the gap until the side hanging lugs 6 abut against the side edges of the adjusting bolt 3, the adjusting bolt 3 can be screwed, the adjusting bolt 3 is gradually locked along the internally threaded tube seat 4, the distance between the bottom supporting plate 2 and the top pressing plate 8 is fixed, the height of the tail frame is also fixed, and the grabbing groove 7 is convenient for grabbing and placing the height-adjusting steel plate 5.

Example 2: the other side of the top of the tailstock seat 9 is fixedly connected with an internal thread fixing seat 15, the top of the internal thread fixing seat 15 is in threaded connection with a rubber oil bag 16, the bottom of the internal thread fixing seat 15 is vertically and fixedly connected with an oil guide pipe 17, and the internal thread bobbin 13, the internal thread fixing seat 15, the rubber oil bag 16 and the oil guide pipe 17 are communicated, so that oil feeding and lubrication are facilitated;

specifically, as shown in fig. 1 and 3, the rubber oil bag 16 is unscrewed from the female screw fixing seat 15, then lubricating grease is injected into the rubber oil bag 16, and then the rubber oil bag 16 is screwed into the female screw fixing seat 15, the rubber oil bag 16 is lightly pinched while the crank 18 is rotated, and the oil enters the female screw bobbin 13 along the oil guide pipe 17, and is uniformly coated outside along with the rotation of the adjusting screw shaft 14.

Example 3: the bottom of the base 1 is provided with a bottom plate seat 19, the top of the bottom plate seat 19 is fixedly connected with a prefabricated caulking groove 20, the shape and the size of the bottom of the base 1 are matched with those of the inside of the prefabricated caulking groove 20, the two sides of the prefabricated caulking groove 20 are respectively inserted with a high-strength bolt 21, the bottom of the bottom plate seat 19 is transversely welded with a slide rail embedded sleeve 22, the high-strength bolt 21 penetrates the inside of the prefabricated caulking groove 20 and extends into the inside of the base 1, and bottom slide rail matching pieces can be flexibly replaced to match lathe slide rails with different specifications;

specifically, as shown in fig. 1 and fig. 4, the bottom plate seat 19 of the slide rail embedding sleeve 22 with the corresponding specification is selected, the base 1 is directly clamped into the prefabricated embedding groove 20 at the top of the bottom plate seat 19, the high-strength bolt 21 is driven along the side edge, the side edge driving loosening probability is low, and the slide rail embedding sleeve 22 and the slide rail below are mutually clamped, so that the displacement can be stabilized.

Working principle: when the utility model is used, firstly, the crank 18 is rotated, the crank 18 drives the adjusting screw shaft 14 to move to one side along the internal thread bobbin 13, the center sleeve 11 is pushed to displace outwards, the steel center 10 in the center sleeve 11 is abutted against the tail of a workpiece, the height of the tail frame can be adjusted according to the specification of a lathe and the actual requirement of processing the workpiece, the adjusting bolt 3 is unscrewed, the gap between the bottom supporting plate 2 and the top pressing plate 8 can be adjusted, the height-adjusting steel plate 5 is inserted along the gap until the side hanging lugs 6 are abutted against the side edges of the adjusting bolt 3, the adjusting bolt 3 can be screwed, the adjusting bolt 3 is gradually locked along the internal thread bobbin seat 4, the distance between the bottom supporting plate 2 and the top pressing plate 8 is fixed, the height of the tail frame is also fixed, and the grabbing groove 7 is convenient for grabbing and placing the height-adjusting steel plate 5. When the adjusting screw shaft 14 and the internal thread bobbin 13 need to be oiled, the rubber oil bag 16 can be screwed off from the internal thread fixing seat 15, then the lubricating grease is injected into the rubber oil bag 16, then the rubber oil bag 16 is screwed into the internal thread fixing seat 15, the crank 18 is rotated while the rubber oil bag 16 is slightly pinched, the oil enters the internal thread bobbin 13 along the oil guide pipe 17, and the oil is uniformly coated outside along with the rotation of the adjusting screw shaft 14. According to the specification of the machine tool and the style of the sliding rail, the bottom plate seat 19 of the sliding rail embedding sleeve 22 with the corresponding specification can be selected, the base 1 is directly clamped into the prefabricated embedding groove 20 at the top of the bottom plate seat 19, the high-strength bolts 21 are driven into the side edges, the loosening probability of the side edges is low, and the sliding rail embedding sleeve 22 and the sliding rail below are mutually clamped, so that the displacement can be stabilized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Tailstock of lathe, including base (1), its characterized in that: the automatic tail-stock lifting device is characterized in that a tail-stock seat (9) is arranged above the base (1), one side inside the tail-stock seat (9) is fixedly connected with an internal thread bobbin (13), an adjusting wire shaft (14) is transversely inserted into the internal thread bobbin (13), a crank (18) is fixedly connected to one side of the adjusting wire shaft (14), a tip sleeve (11) is movably connected to one side of the adjusting wire shaft (14), a steel tip (10) is inserted into one side of the tip sleeve (11), a locking handle (12) is movably connected to one side of the top of the tail-stock seat (9), an internal thread fixing seat (15) is fixedly connected to the other side of the top of the tail-stock seat (9), a bottom plate seat (19) is arranged at the bottom of the base (1), a prefabricated caulking groove (20) is fixedly connected to the top of the bottom plate seat (19), and a height-adjustable structure is arranged between the top of the base (1) and the bottom of the tail-stock seat (9).

The height-adjustable structure comprises a bottom supporting plate (2), the bottom supporting plate (2) is welded at the top of a base (1), four corners of the bottom supporting plate (2) are respectively welded with an internal thread tube seat (4), the bottom of a tail frame seat (9) is welded with a top pressing plate (8), three groups of height-adjusting steel plates (5) are horizontally arranged at the top of the bottom supporting plate (2), side hanging lugs (6) are respectively arranged at the front end and the rear end of the height-adjusting steel plates (5), grabbing grooves (7) are formed in the inside of one side of the top of the height-adjusting steel plates (5), and adjusting bolts (3) are vertically inserted into the four corners of the top pressing plate (8).

2. The tailstock of a lathe as defined in claim 1, wherein: the adjusting bolt (3) penetrates through the bottom supporting plate (2) and the top pressing plate (8) and extends into the inner threaded tube seat (4), and threads on the outer portion of the adjusting bolt (3) are matched with threads on the inner portion of the inner threaded tube seat (4).

3. The tailstock of a lathe as defined in claim 1, wherein: the inner diameter of the side hanging lugs (6) is consistent with the outer diameter of the adjusting bolt (3).

4. The tailstock of a lathe as defined in claim 1, wherein: the top threaded connection of internal thread fixing base (15) has rubber oil bag (16), the vertical fixedly connected with of bottom of internal thread fixing base (15) leads oil pipe (17), the inside of internal thread bobbin (13), internal thread fixing base (15), rubber oil bag (16), lead oil pipe (17) is linked together.

5. The tailstock of a lathe as defined in claim 1, wherein: the shape and the size of the bottom of the base (1) are matched with those of the inside of the prefabricated caulking groove (20).

6. The tailstock of a lathe as defined in claim 1, wherein: high-strength bolts (21) are inserted into two sides of the prefabricated caulking groove (20) respectively, sliding rail embedded sleeves (22) are transversely welded at the bottom of the bottom plate seat (19), and the high-strength bolts (21) penetrate through the prefabricated caulking groove (20) and extend into the base (1).