CN219151609U

CN219151609U - Lathe with replaceable chuck

Info

Publication number: CN219151609U
Application number: CN202223561245.0U
Authority: CN
Inventors: 马金录; 马晨辉; 徐月红
Original assignee: Hangzhou Dezhi Machinery Co ltd
Current assignee: Hangzhou Dezhi Machinery Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-09
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a lathe with a replaceable chuck, which comprises: the chuck comprises a base, a chuck main body and a fastening bolt, wherein the top of the base is fixedly connected with a mounting seat, a driving motor is fixedly connected to the left side wall of the mounting seat, a mounting disc is fixedly connected to an output shaft of the driving motor and positioned on the right side of the mounting seat, a mounting hole and a threaded hole are formed in the mounting disc, the threaded hole is positioned on the left side of the mounting hole, and a fixing hole is formed in the inner wall of the mounting hole; the inside of chuck main part is provided with jack and recess to the recess is located the right side of jack, fixedly connected with go-between on the left side wall of chuck main part, the centre of go-between is provided with the through-hole. The chuck can be mounted on the output shaft of the driving motor by using one fastening bolt, so that the use of the fastening bolt is reduced, and meanwhile, the operation steps are reduced, thereby providing convenience for the workers to replace the chuck.

Description

Lathe with replaceable chuck

Technical Field

The utility model relates to the technical field of lathes, in particular to a lathe with a replaceable chuck.

Background

The lathe is mainly used for turning a rotating workpiece by a turning tool, wherein an object is fixed by using a chuck on the lathe before being machined, and then the chuck is controlled by a rotating motor to drive the object to rotate, but the existing chuck is fixed by a plurality of fastening bolts during installation, so that a worker needs to detach the fastening bolts when the chuck is replaced, and in addition, the fastening bolts are required to be screwed down during installation, so that the operation steps are complicated.

Disclosure of Invention

The utility model aims to provide a lathe with a replaceable chuck, which reduces the use of fastening bolts, reduces operation steps and provides convenience for workers to replace the chuck.

To achieve the above object, there is provided a chuck-replaceable lathe comprising: the chuck comprises a base, a chuck main body and a fastening bolt, wherein the top of the base is fixedly connected with a mounting seat, a driving motor is fixedly connected to the left side wall of the mounting seat, a mounting disc is fixedly connected to an output shaft of the driving motor and positioned on the right side of the mounting seat, a mounting hole and a threaded hole are formed in the mounting disc, the threaded hole is positioned on the left side of the mounting hole, and a fixing hole is formed in the inner wall of the mounting hole;

the inside of the chuck main body is provided with a jack and a groove, the groove is positioned on the right side of the jack, the left side wall of the chuck main body is fixedly connected with a connecting ring, the middle of the connecting ring is provided with a through hole, the inside of the connecting ring is provided with an extrusion groove, the inside of the extrusion groove is slidably connected with a top plate, one side of the top plate, which is close to the through hole, is fixedly connected with an extrusion rod, the bottom end of the extrusion rod is positioned in the inside of the through hole, one side, which is far away from the extrusion rod, of the top plate is fixedly connected with a fixed block, the circumferential surface of the fixed block is sleeved with a pressure spring, and the pressure spring is positioned in the extrusion groove;

the fastening bolt comprises an extrusion part, a threaded part and a knob part, wherein the threaded part is positioned at the left side of the extrusion part, the knob part is positioned at the right side of the extrusion part, and the chuck main body is fixedly connected with the mounting disc through the fastening bolt.

According to the lathe with the replaceable chuck, the mounting hole is matched with the connecting ring, the inner diameter of the insertion hole is the same as that of the through hole, and the inner diameter of the groove is larger than that of the insertion hole.

According to the lathe with the replaceable chuck, the threaded portion is matched with the threaded hole, the extrusion portion is matched with the through hole, and the knob portion is matched with the groove.

According to the lathe with the replaceable chuck, the number of the extrusion grooves and the number of the fixing holes are multiple, and the extrusion grooves and the fixing holes are correspondingly arranged.

According to the lathe with the replaceable chuck, the fixed block is matched with the fixed hole, and one end of the extrusion rod, which is positioned in the through hole, is conical.

According to the lathe with the replaceable chuck, the fixed block and the extrusion rod are both in sliding connection with the connecting ring.

The scheme has the beneficial effects that: the chuck can be mounted on the output shaft of the driving motor by using one fastening bolt, so that the use of the fastening bolt is reduced, and meanwhile, the operation steps are reduced, thereby providing convenience for the workers to replace the chuck.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is an elevation view of a lathe with a replaceable chuck in accordance with the present utility model;

FIG. 2 is an elevation view of the chuck body and connecting ring of a chuck-interchangeable lathe according to the present utility model;

FIG. 3 is a front cross-sectional view of a mounting plate of a chuck-replaceable lathe according to the present utility model;

FIG. 4 is a side cross-sectional view of a connecting ring of a chuck-replaceable lathe according to the present utility model;

FIG. 5 is a schematic view of the structure A in FIG. 4;

FIG. 6 is a schematic view of the top plate, press ram, and fixed block of a chuck-replaceable lathe according to the present utility model;

FIG. 7 is a side view of the chuck body of a chuck exchangeable lathe according to the present utility model;

fig. 8 is a schematic view of a fastening bolt of a lathe with a replaceable chuck according to the present utility model.

Legend description:

1. a base; 2. a mounting base; 3. a driving motor; 4. a mounting plate; 5. a mounting hole; 6. a threaded hole; 7. a fixing hole; 8. a chuck body; 9. a connecting ring; 10. an extrusion groove; 11. a top plate; 12. an extrusion rod; 13. a fixed block; 14. a pressure spring; 15. a jack; 16. a fastening bolt; 161. an extrusion part; 162. a threaded portion; 163. a knob portion; 17. a through hole; 18. a groove.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-8, a chuck-replaceable lathe according to an embodiment of the present utility model includes: the chuck comprises a base 1, a chuck main body 8 and a fastening bolt 16, wherein the chuck main body 8 is a four-jaw chuck, the working principle is the same as that of a three-jaw chuck on the market, the details are not repeated here, the top of the base 1 is fixedly connected with a mounting seat 2, the left side wall of the mounting seat 2 is fixedly connected with a driving motor 3, the driving motor 3 is mainly used for controlling a mounting plate 4 to rotate, the output shaft of the driving motor 3 is fixedly connected with the mounting plate 4, the mounting plate 4 is positioned on the right side of the mounting seat 2, a mounting hole 5 and a threaded hole 6 are arranged in the mounting plate 4, the threaded hole 6 is positioned on the left side of the mounting hole 5, and a fixing hole 7 is arranged on the inner wall of the mounting hole 5;

the inside of the chuck main body 8 is provided with a jack 15 and a groove 18, the groove 18 is positioned on the right side of the jack 15, the arrangement of the jack 15 facilitates the pressing part 161 to enter the inside of the through hole 17, the arrangement of the groove 18 facilitates the storage of the knob part 163, the connecting ring 9 is fixedly connected to the left side wall of the chuck main body 8, the through hole 17 is arranged in the middle of the connecting ring 9, the pressing groove 10 is arranged in the inside of the connecting ring 9, the top plate 11 is slidably connected to the inside of the pressing groove 10, the pressing rod 12 is fixedly connected to one side of the top plate 11 close to the through hole 17, the bottom end of the pressing rod 12 is positioned in the inside of the through hole 17, one side of the top plate 11 far away from the pressing rod 12 is fixedly connected with the fixed block 13, when the pressing part 161 enters the inside of the through hole 17, the pressing part 161 presses the pressing rod 12 and pushes the pressing rod 12 into the inside of the pressing groove 10, the fixed block 13 is simultaneously extruded from the inside of the pressing groove 10, and enters the inside of the fixed hole 7, thereby fixing the connecting ring 9 is fixed on the mounting disc 4, the compression spring 14 is sleeved on the peripheral surface of the fixed block 13, the compression spring 14 is positioned in the inside of the pressing groove 10, the pressing groove 8, one side of the pressing rod 11 is fixedly connected to the pressing rod 12 is mounted on one side of the through hole 17, and the pressing rod 12 is firstly, and the pressing rod is fastened 16 is removed when the pressing rod is mounted on the chuck main body 8, and the pressing rod is fastened and the pressing rod is in the inside of the pressing body 16, the pressing body is fastened;

the fastening bolt 16 includes a pressing portion 161, a screw portion 162, and a knob portion 163, the screw portion 162 being located at the left side of the pressing portion 161, the knob portion 163 being located at the right side of the pressing portion 161, and the chuck body 8 being fixedly coupled to the mounting plate 4 by the fastening bolt 16.

The mounting hole 5 and the go-between 9 looks adaptations, the internal diameter of jack 15 is the same with the internal diameter of through-hole 17, the internal diameter of recess 18 is greater than the internal diameter of jack 15, screw thread portion 162 and screw hole 6 looks adaptations, extrusion portion 161 and through-hole 17 looks adaptations, knob portion 163 and recess 18 looks adaptations, the quantity of extrusion groove 10 and the quantity of fixed orifices 7 all are provided with a plurality of, and extrusion groove 10 and fixed orifices 7 correspond the setting, fixed block 13 and fixed orifices 7 looks adaptations, the one end that extrusion rod 12 is located the inside of through-hole 17 is the toper, make things convenient for extrusion portion 161 to push into extrusion rod 12 in extrusion groove 10's inside, fixed block 13 and extrusion rod 12 all with go-between 9 sliding connection.

Working principle: when a worker needs to replace the chuck body 8, first, the screw part 162 on the fastening bolt 16 is screwed out from the inside of the screw hole 6, then the fastening bolt 16 is removed, while the compression spring 14 pushes the pressing rod 12 into the inside of the through hole 17, and the fixing block 13 is pulled out from the inside of the fixing hole 7, then the connecting ring 9 is taken out from the mounting plate 4, and when the mounting is performed, the connecting ring 9 is first inserted into the inside of the mounting hole 5, then the screw part 162 on the fastening bolt 16 is aligned with the screw hole 6, then the screw part 162 is screwed into the inside of the screw hole 6 through the knob part 163, while the pressing part 161 presses the pressing rod 12, and pushes the pressing rod 12 into the inside of the pressing groove 10, while the fixing block 13 is pressed out from the inside of the pressing groove 10, and into the inside of the fixing hole 7, thereby fixing the connecting ring 9 onto the mounting plate 4, and when the mounting of the fastening bolt 16 is completed, the knob part 163 (which is required to be turned with an internal hexagonal wrench) is completely into the inside of the groove 18.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A chuck-replaceable lathe, comprising: base (1), chuck main part (8) and fastening bolt (16), the top fixedly connected with mount pad (2) of base (1), fixedly connected with driving motor (3) on the left side wall of mount pad (2), fixedly connected with mounting plate (4) on the output shaft of driving motor (3) to mounting plate (4) are located the right side of mount pad (2), the inside of mounting plate (4) is provided with mounting hole (5) and screw hole (6), and screw hole (6) are located the left side of mounting hole (5), be provided with fixed orifices (7) on the inner wall of mounting hole (5);

the inside of chuck main part (8) is provided with jack (15) and recess (18) to recess (18) are located the right side of jack (15), fixedly connected with go-between (9) on the left side wall of chuck main part (8), the centre of go-between (9) is provided with through-hole (17), the inside of go-between (9) is provided with extrusion groove (10), the inside sliding connection of extrusion groove (10) has roof (11), one side that roof (11) is close to through-hole (17) fixedly connected with extrusion pole (12) to the bottom of extrusion pole (12) is located the inside of through-hole (17), one side that extrusion pole (12) was kept away from to roof (11) is fixedly connected with fixed block (13), pressure spring (14) are established to the cover on the global of fixed block (13), and pressure spring (14) are located the inside of extrusion groove (10);

the fastening bolt (16) comprises a pressing part (161), a threaded part (162) and a knob part (163), wherein the threaded part (162) is positioned on the left side of the pressing part (161), the knob part (163) is positioned on the right side of the pressing part (161), and the chuck main body (8) is fixedly connected with the mounting disc (4) through the fastening bolt (16).

2. Lathe with replaceable chuck according to claim 1, characterized in that the mounting hole (5) is adapted to the connecting ring (9), the inner diameter of the socket (15) is the same as the inner diameter of the through hole (17), and the inner diameter of the groove (18) is larger than the inner diameter of the socket (15).

3. The lathe with replaceable chuck according to claim 1, characterized in that the threaded portion (162) is adapted to the threaded hole (6), the pressing portion (161) is adapted to the through hole (17), and the knob portion (163) is adapted to the recess (18).

4. Lathe with replaceable chuck according to claim 1, characterized in that the number of the pressing grooves (10) and the number of the fixing holes (7) are plural, and that the pressing grooves (10) are arranged corresponding to the fixing holes (7).

5. Lathe with replaceable chuck according to claim 1, characterized in that the fixed block (13) is adapted to the fixed hole (7) and the end of the extrusion rod (12) inside the through hole (17) is conical.

6. Lathe with replaceable chuck according to claim 1, characterized in that the fixed block (13) and the pressing rod (12) are both slidingly connected with the connecting ring (9).