阅读说明：本技术 一种用于机床的尾架 (Tailstock for machine tool ) 是由 周明照 于 2019-12-04 设计创作，主要内容包括：本发明公开了一种用于机床的尾架,涉及到尾架领域,包括尾架,尾架的下表面两侧均固定连接有支撑柱,支撑柱的中部开设有螺纹槽,螺纹槽的内部螺纹连接有丝杠,丝杠的底端设置有底座,底座的下表面中部开设有空槽,空槽的内顶壁两侧均开设有固定孔,固定孔的内部固定连接有第一轴承,空槽的内顶壁中部开设有通孔,通孔的内部固定连接有第二轴承,底座的上表面中部固定安装有电机。本发明通过支撑柱和丝杠的设置,能够使尾架的高度便于调节,从而能够使尾架适用不同高度的机床,且能够减少尾架的型号,通过电机、传动轴、主动齿和从动齿的配合设置,能够带动丝杠转动,从而能够提高尾架的安装时间。(The invention discloses a tailstock for a machine tool, which relates to the field of tailstocks and comprises a tailstock, wherein support columns are fixedly connected to two sides of the lower surface of the tailstock, a threaded groove is formed in the middle of each support column, a lead screw is in threaded connection with the inside of the threaded groove, a base is arranged at the bottom end of the lead screw, a hollow groove is formed in the middle of the lower surface of the base, fixing holes are formed in two sides of the inner top wall of the hollow groove, a first bearing is fixedly connected to the inside of each fixing hole, a through hole is formed in the middle of the inner top wall of the hollow groove, a second bearing is fixedly connected to the inside of each through hole. According to the invention, through the arrangement of the support columns and the screw rods, the height of the tailstock can be conveniently adjusted, so that the tailstock is suitable for machine tools with different heights, the types of the tailstock can be reduced, and the screw rods can be driven to rotate through the matching arrangement of the motor, the transmission shaft, the driving teeth and the driven teeth, so that the installation time of the tailstock can be prolonged.)

1. Tailstock for a machine tool, comprising a tailstock (1), characterized in that: the support columns (2) are fixedly connected to two sides of the lower surface of the tail frame (1), threaded grooves (3) are formed in the middle of the support columns (2), lead screws (4) are connected to the inner threads of the threaded grooves (3), and bases (5) are arranged at the bottom ends of the lead screws (4);

the middle part of the lower surface of the base (5) is provided with an empty groove (6), two sides of the inner top wall of the empty groove (6) are provided with fixing holes (7), the inside of each fixing hole (7) is fixedly connected with a first bearing (8), the middle part of the inner top wall of the empty groove (6) is provided with a through hole (9), and the inside of the through hole (9) is fixedly connected with a second bearing (10);

the utility model discloses a motor, including base (5), upper surface middle part fixed mounting has motor (11), the bottom middle part fixedly connected with transmission shaft (12) of motor (11), the bottom middle part fixedly connected with drive tooth (13) of transmission shaft (12), the both sides of drive tooth (13) are all engaged with and are connected with driven tooth (14).

2. A tailstock for a machine tool according to claim 1, characterized in that:

the two groups of screw rods (4) are arranged, and the two groups of screw rods (4) are symmetrical about the symmetrical axis of the tailstock (1);

the number of the screw rod (4), the number of the fixing holes (7), the number of the first bearings (8) and the number of the driven teeth (14) are the same.

3. A tailstock for a machine tool according to claim 1, characterized in that:

the middle part of the first bearing (8) is fixedly connected with the bottom of the outer side of the lead screw (4);

the middle part of the second bearing (10) is fixedly connected with the outer side of the transmission shaft (12).

4. A tailstock for a machine tool according to claim 1, characterized in that:

the driving tooth (13) and the driven tooth (14) are both positioned inside the empty groove (6);

the diameter of the driving tooth (13) is larger than that of the driven tooth (14).

Technical Field

The invention relates to the field of tailstock, in particular to a tailstock for a machine tool.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization.

However, the existing tailstock for the machine tool has the following defects through analysis: the height of the tailstock is not convenient to adjust, so that tailstocks of different models need to be produced, and the production difficulty of the tailstock is improved, therefore, the invention of the tailstock for the machine tool is necessary to solve the problems.

Disclosure of Invention

The invention aims to provide a tailstock for a machine tool, which solves the problem of small application range in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a tailstock for a machine tool comprises a tailstock, wherein support columns are fixedly connected to two sides of the lower surface of the tailstock, threaded grooves are formed in the middle of the support columns, a lead screw is connected to the inner threads of the threaded grooves in a threaded mode, and a base is arranged at the bottom end of the lead screw;

the middle part of the lower surface of the base is provided with a hollow groove, two sides of the inner top wall of the hollow groove are provided with fixing holes, a first bearing is fixedly connected inside the fixing holes, a through hole is formed in the middle part of the inner top wall of the hollow groove, and a second bearing is fixedly connected inside the through hole;

the upper surface middle part fixed mounting of base has the motor, the bottom middle part fixedly connected with transmission shaft of motor, the bottom middle part fixedly connected with of transmission shaft drives the tooth, the both sides of driving the tooth all mesh and are connected with the driven tooth.

Optionally, the screw rods are provided with two groups, and the two groups of screw rods are symmetrical about a symmetrical axis of the tailstock;

the number of the screw rods, the number of the fixing holes, the number of the first bearings and the number of the driven teeth are consistent.

Optionally, the middle part of the first bearing is fixedly connected with the bottom of the outer side of the screw rod;

the middle part of the second bearing is fixedly connected with the outer side of the transmission shaft.

Optionally, the driving tooth and the driven tooth are both located inside the empty slot;

the diameter of the driving tooth is larger than that of the driven tooth.

The invention has the technical effects and advantages that:

according to the invention, through the arrangement of the support columns and the screw rods, the height of the tailstock can be conveniently adjusted, so that the tailstock is suitable for machine tools with different heights, the types of the tailstock can be reduced, and the screw rods can be driven to rotate through the matching arrangement of the motor, the transmission shaft, the driving teeth and the driven teeth, so that the installation time of the tailstock can be prolonged.

Drawings

FIG. 1 is a schematic sectional front view of the present invention.

Fig. 2 is a perspective view of the base structure of the present invention.

In the figure: 1. a tailstock; 2. a support pillar; 3. a thread groove; 4. a lead screw; 5. a base; 6. an empty groove; 7. a fixing hole; 8. a first bearing; 9. a through hole; 10. a second bearing; 11. a motor; 12. a drive shaft; 13. a driving tooth; 14. and a driven tooth.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The invention provides a tailstock for a machine tool as shown in figures 1-2, which comprises a tailstock 1, wherein two sides of the lower surface of the tailstock 1 are fixedly connected with support columns 2, the middle parts of the support columns 2 are provided with thread grooves 3, the inner parts of the thread grooves 3 are in threaded connection with lead screws 4, the lead screws 4 are provided with two groups, the two groups of lead screws 4 are symmetrical about the symmetrical axis of the tailstock 1, the height of the tailstock 1 can be conveniently adjusted through the arrangement of the support columns 2 and the lead screws 4, so that the tailstock 1 is suitable for machine tools with different heights, the model number of the tailstock 1 can be reduced, and the bottom ends of the lead screws 4 are provided with bases 5;

the middle part of the lower surface of the base 5 is provided with an empty groove 6, two sides of the inner top wall of the empty groove 6 are provided with fixing holes 7, the inside of each fixing hole 7 is fixedly connected with a first bearing 8, the middle part of each first bearing 8 is fixedly connected with the bottom of the outer side of the lead screw 4, the middle part of the inner top wall of the empty groove 6 is provided with a through hole 9, the inside of each through hole 9 is fixedly connected with a second bearing 10, and the middle part of each second bearing 10 is fixedly connected with the outer side of the transmission shaft;

base 5's upper surface middle part fixed mounting has motor 11, motor 11's bottom middle part fixedly connected with transmission shaft 12, the bottom middle part fixedly connected with of transmission shaft 12 drives tooth 13, drive tooth 13 and driven tooth 14 all are located the inside of dead slot 6, the diameter of drive tooth 13 is greater than the diameter of driven tooth 14, the both sides of drive tooth 13 all mesh and are connected with driven tooth 14, lead screw 4, fixed orifices 7, first bearing 8 is unanimous with the quantity of driven tooth 14, through motor 11, transmission shaft 12, the cooperation setting of drive tooth 13 and driven tooth 14, can drive lead screw 4 and rotate, thereby can improve tailstock 1's installation time.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when the height of the tailstock 1 needs to be adjusted, the motor 11 is started, the motor 11 drives the driving tooth 13 to rotate through the transmission shaft 12, the driving tooth 13 drives the lead screw 4 to rotate through the driven tooth 14, therefore, the length of the lead screw 4 in the threaded groove 3 can be adjusted, the adjustment of the tailstock 1 can be completed, and by means of the arrangement, the tailstock 1 can use machine tools with different heights, and the installation efficiency of the tailstock 1 can be improved.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.