CN213729374U

CN213729374U - Tailstock structure of step-up turret numerically controlled lathe

Info

Publication number: CN213729374U
Application number: CN202022523890.8U
Authority: CN
Inventors: 应宗连
Original assignee: Taizhou Xinfa Automation Equipments Co ltd
Current assignee: Taizhou Xinfa Automation Equipments Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-20
Anticipated expiration: 2030-11-04

Abstract

The utility model provides a tailstock structure of formula sword tower numerical control lathe rises step by step belongs to numerical control machine tool structure technical field. It has solved the fragile problem of current top. This tailstock structure of formula of stepping up sword tower numerical control lathe, including the tailstock main part, tailstock internally mounted has the sleeve and supplies the mount pad of tailstock installation, is provided with the dead locking device of top lock of confession in the tailstock main part, and the tailstock main part is by the casing, top and install inside and be used for promoting top forward thrust unit in the tailstock and form, is provided with the accessible on the mount pad and increases the adjusting bolt of adjusting the top central height in the tailstock by the packing ring, is provided with the installed part of mountable on the guide rail on the mount pad. The utility model has the advantages of simple structure, high precision and long service life.

Description

Tailstock structure of step-up turret numerically controlled lathe

Technical Field

The utility model belongs to the technical field of the digit control machine tool structure, a tailstock structure of formula sword tower numerical control lathe is stepped up is related to.

Background

The lathe tailstock is used for clamping a thimble, a drill bit, a reamer and other tools, is a main part of a lathe, has a reasonable structure and a high quality, has a great influence on a machining process, machining precision and the like, and has the main function of centering shaft parts and has the functions of auxiliary supporting and clamping. The sleeve is directly used for clamping the point, so that the machining quality of the tailstock directly influences the working precision and the service life of a machine tool, the tailstock is a moving part with high technical requirements on frequent movement, and the coaxiality and the wear resistance are strictly required.

But lack buffer structure in the current lathe tailstock, lead to work piece tip and location structure to lean on when leaning on location structure's wearing and tearing great, location mechanism damages easily, makes the work piece location inaccurate, finally leads to the work piece to process the inaccuracy, influences production efficiency.

Disclosure of Invention

The utility model aims at providing a top precision height, simple structure's tailstock to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the tailstock structure of the step-up type turret numerically controlled lathe is characterized by comprising a tailstock main body and a mounting seat, wherein a sleeve and a tailstock are arranged inside the tailstock, the mounting seat is used for mounting the tailstock, a dead locking device for locking a tip is arranged in the tailstock main body, the tailstock main body comprises a shell, the tip and a pushing device which is arranged inside the tailstock and used for pushing the tip forwards, an adjusting bolt capable of adjusting the center height of the tip in the tailstock by adding a gasket is arranged on the mounting seat, and a mounting part capable of being mounted on a guide rail is arranged on the mounting seat.

In the tailstock structure of the step-up turret numerically controlled lathe, the pushing device comprises a screw rod, a rotating shaft for pushing the tip of the screw rod, and a hand wheel for controlling the rotating shaft to rotate, a connecting piece for connecting the screw rod and the rotating shaft is arranged between the screw rod and the rotating shaft, and the connecting piece is fixed in the tailstock and corresponds to the position of the sleeve and is controlled by the rotating shaft to drive the screw rod to transmit.

In the tailstock structure of the step-up turret numerically controlled lathe, the screw rod is provided with a buffer structure for preventing the tip from shaking at the end matched with the tip, the buffer structure is composed of a rubber ring and a spring which are sequentially sleeved on the screw rod, the outer end of the spring abuts against the tail end of the tip, and the spring limits the rubber ring sleeved on the screw rod.

In the tailstock structure of the step-up turret numerically controlled lathe, the shell is further provided with an oil hole for lubricating oil to flow into, and a lubricating groove for storing the lubricating oil is formed in a joint surface of the sleeve and the inner wall of the shell, wherein the joint surface is jointed with the inner wall of the shell.

In the tailstock structure of the step-up turret numerically controlled lathe, a rolling bearing used for reducing vibration friction is further sleeved at the connecting part of the rotating shaft and the connecting piece.

Compared with the prior art, the tailstock structure of the step-up turret numerically controlled lathe is provided with the buffer spring and the lubricating oil hole, and has the advantages of good buffer effect, simple structure, easiness in installation, easiness in disassembly and long service life.

Drawings

Fig. 1 is a schematic cross-sectional structure view of a tailstock of a step-up turret numerically controlled lathe.

In the figure, 1, a tailstock body; 2. a sleeve; 3. a mounting seat; 4. a locking device; 5. a housing; 6. a tip; 7. adjusting the bolt; 8. a mounting member; 9. a screw rod; 10. a rotating shaft; 11. a hand wheel; 12. a connecting member; 13. a rubber ring; 14. a spring; 15. an oil hole; 16. a lubrication groove; 17. a rolling bearing.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the tailstock structure of the step-up turret numerically controlled lathe comprises a tailstock body 1, a sleeve 2 and a mounting seat 3 for mounting the tailstock are mounted inside the tailstock, a locking device 4 for locking a tip 6 is arranged inside the tailstock body 1, the tailstock body 1 is composed of a shell 5, the tip 6 and a pushing device which is mounted inside the tailstock and used for pushing the tip 6 to move forward, an adjusting bolt 7 which can adjust the center height of the tip 6 in the tailstock by increasing a gasket is arranged on the mounting seat 3, and a mounting part 8 which can be mounted on a guide rail is arranged on the mounting seat 3.

Preferably, the pushing device comprises a screw rod 9, a rotating shaft 10 for pushing the tip 6 of the screw rod, and a hand wheel 11 for controlling the rotating shaft 10 to rotate, a connecting member 12 for connecting the screw rod 9 and the rotating shaft 10 is arranged between the screw rod 9 and the rotating shaft 10, the connecting member 12 is fixed inside the tailstock and corresponds to the position of the sleeve 2, and the connecting member 12 is controlled by the rotating shaft 10 to drive the screw rod 9 to transmit.

Preferably, the screw rod 9 and the tip 6 are matched with each other to form a buffer structure on one end, which prevents the tip 6 from shaking, the buffer structure is composed of a rubber ring 13 and a spring 14 which are sequentially sleeved on the screw rod 9, the outer end of the spring 14 abuts against the tail end part of the tip 6, and the spring 14 limits the rubber ring 13 sleeved on the screw rod 9.

Preferably, the housing 5 is further provided with an oil hole 15 into which lubricating oil flows, and a lubricating groove 16 for storing lubricating oil is provided on a contact surface of the sleeve 2 and the inner wall of the housing 5.

Preferably, the joint between the rotating shaft 10 and the connecting member 12 is further sleeved with a rolling bearing 17 for reducing the vibration friction.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The tailstock structure of the step-up type turret numerically controlled lathe is characterized by comprising a tailstock main body (1), a tailstock internally provided with a sleeve (2) and a mounting seat (3) for the tailstock to be mounted, wherein a locking device (4) for locking a tip (6) is arranged in the tailstock main body (1), the tailstock main body (1) consists of a shell (5), the tip (6) and a pushing device which is arranged inside the tailstock and used for pushing the tip (6) to move forward, an adjusting bolt (7) for adjusting the center height of the tip (6) in the tailstock by adding a gasket is arranged on the mounting seat (3), and a mounting part (8) capable of being mounted on a guide rail is arranged on the mounting seat (3).

2. The tailstock structure of the step-up turret numerically controlled lathe according to claim 1, wherein the pushing device comprises a screw rod (9), a rotating shaft (10) for pushing a tip (6) of the screw rod, and a hand wheel (11) for controlling the rotating shaft (10) to rotate, a connecting piece (12) for connecting the screw rod (9) and the rotating shaft (10) is arranged between the screw rod (9) and the rotating shaft (10), the connecting piece (12) is fixed in the tailstock and corresponds to the position of the sleeve (2), and the rotating shaft (10) controls and drives the screw rod (9) to transmit.

3. The tailstock structure of the step-up turret numerically controlled lathe according to claim 2, wherein a buffering structure for preventing the tip (6) from shaking is arranged on the lead screw (9) and at the end matched with the tip (6), the buffering structure is composed of a rubber ring (13) and a spring (14) which are sequentially sleeved on the lead screw (9), the outer end of the spring (14) abuts against the tail end of the tip (6), and the spring (14) limits the rubber ring (13) sleeved on the lead screw (9).

4. The tailstock structure of the step-up turret numerically controlled lathe according to claim 1, wherein the housing (5) is further provided with an oil hole (15) for flowing in lubricating oil, and a lubricating groove (16) for storing the lubricating oil is formed in a joint surface of the sleeve (2) and the inner wall of the housing (5).

5. The tailstock structure of the step-up turret numerically controlled lathe according to claim 2, wherein a rolling bearing (17) for reducing vibration friction is further sleeved at the joint of the rotating shaft (10) and the connecting piece (12).