CN213729361U

CN213729361U - High-precision spindle box for numerical control machine tool

Info

Publication number: CN213729361U
Application number: CN202022693809.0U
Authority: CN
Inventors: 陈灿美
Original assignee: Hangzhou Shenma Machinery Co ltd
Current assignee: Hangzhou Shenma Machinery Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-20
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a high accuracy headstock for digit control machine tool, bore a hole including main shaft bearing box, main shaft connecting box and heat extraction, the internally mounted that the main shaft bears the box has the main shaft of bearing, and the left side that bears the main shaft is provided with the installing frame roller, the main shaft connecting box is installed in the top that the main shaft bears the box, and the laminating of the preceding terminal surface of main shaft connecting box has closed protecgulum, the surface of main shaft connecting box runs through there is the operation trompil, and the top of operation trompil is provided with closed preceding baffle, the heat extraction is perforated and is installed in the side surface of main shaft connecting box. This high accuracy headstock for digit control machine tool adopts the swing joint of installing frame roller and bearing side inslot wall can be horizontal direct to take out the installing frame roller together with the main shaft that bears that runs through or fill in, and the later stage of being convenient for simultaneously is to the maintenance and the maintenance of structure change, and two sets of heat extraction that adopt the symmetrical design are perforated and can be improved inside ventilation effect, and the portable maintenance mode of collocation improves the heat dissipation of inside operation structure.

Description

High-precision spindle box for numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool equipment technical field specifically is a high accuracy headstock for digit control machine tool.

Background

The main spindle box is an important part of a machine tool and is used for arranging a working spindle of the machine tool, transmission parts of the working spindle and corresponding additional mechanisms, and the main spindle box is a complex transmission part and comprises a spindle assembly, a reversing mechanism, a transmission mechanism, a braking device, an operating mechanism, a lubricating device and the like, and the main spindle box mainly plays a role in supporting and rotating the spindle so as to realize the functions of starting, braking, speed changing, reversing and the like of the spindle.

At present, a small and medium-sized spindle box is high in precision, difficulty in installation and taking out of equipment is high, and the maintenance process is complex.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy headstock for digit control machine tool to the middle-size and small-size headstock that proposes in solving above-mentioned background art is because the box precision is higher, and the degree of difficulty is higher when equipment fixing and taking out, and the problem that the maintenance process is complicated.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high accuracy headstock for digit control machine tool, includes that main shaft bears case, main shaft connecting box and heat extraction and perforates, the internally mounted of main shaft bearing box has the main shaft of bearing, and the left side that bears the main shaft is provided with the installing frame roller, the main shaft connecting box is installed in the top that the main shaft bears the case, and the laminating of the preceding terminal surface of main shaft connecting box has closed protecgulum, the surface of main shaft connecting box runs through there is the operation trompil, and the top of operation trompil is provided with baffle before the closure, the heat extraction is perforated and is installed in the side surface of main shaft connecting box, and the fenestrate right side of heat extraction is provided with heat radiation baffle.

Preferably, the bearing side groove is attached to the outer side of the mounting frame roller, and the mounting frame roller is movably connected with the inner wall of the bearing side groove.

Preferably, the installation frame roller and the bearing side groove are distributed in bilateral symmetry about the central point of the main shaft bearing box, the bearing main shaft penetrates through the side surfaces of the installation frame roller and the main shaft bearing box, and the installation frame roller is in threaded connection with the front end face of the bearing side groove.

Preferably, a closed connecting cover is arranged on the front end face of the main shaft bearing box, an adjusting bottom shaft is installed on the lower end face of the closed front cover, and an installation thread plate is fixed on the side surface of the closed front cover.

Preferably, the closed front cover 6) and the closed connecting cover form a rotating structure with the adjusting bottom shaft, and the closed front cover and the closed connecting cover are both made of double-layer transparent glass materials.

Preferably, the appearance structure of the heat extraction perforation is hollow net-shaped, the heat dissipation baffle is movably connected with the inner wall of the heat extraction perforation, and the external roller body is installed on the left end face of the bearing main shaft.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the device adopts the movable connection of the mounting frame roller and the inner wall of the bearing side groove, so that the mounting frame roller and the through bearing main shaft can be transversely and directly taken out or plugged together, and the later maintenance, overhaul and replacement of the structure are facilitated;

2. the device designs into transparent material through two sets of closed protecgulums with preceding terminal surface for inside structure is easily observed, runs through the operation trompil on closed protecgulum and closed connection lid surface and is convenient for exert operations such as lubricating oil to inside coupling assembling, very big reduction the maintenance degree of difficulty.

3. The device is holistic silence nature stronger, adopts two sets of heat extraction perforation of symmetrical formula design moreover to improve inside ventilation effect, and the portable maintenance mode of collocation improves the heat dissipation of inside operation structure, convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a side view structure of the spindle connecting box of the present invention;

fig. 3 is a schematic view of the structure of the closed front cover of the present invention viewed from the bottom.

In the figure: 1. a spindle bearing box; 2. a load bearing spindle; 3. a load bearing side channel; 4. installing a frame roller; 5. the main shaft is connected with the box; 6. closing the front cover; 7. closing the connecting cover; 8. opening holes in an operation mode; 9. closing the front baffle; 10. installing a thread plate; 11. adjusting the bottom shaft; 12. the roller body is externally connected; 13. heat extraction perforation; 14. and a heat dissipation baffle.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a high-precision spindle box for a numerical control machine tool comprises a spindle bearing box 1, a spindle connecting box 5 and a heat extraction perforation 13, wherein a bearing spindle 2 is installed inside the spindle bearing box 1, an installation frame roller 4 is arranged on the left side of the bearing spindle 2, the spindle connecting box 5 is installed above the spindle bearing box 1, a closed front cover 6 is attached to the front end face of the spindle connecting box 5, an operation opening 8 penetrates through the outer surface of the spindle connecting box 5, a closed front baffle 9 is arranged above the operation opening 8, the heat extraction perforation 13 is installed on the side surface of the spindle connecting box 5, a heat dissipation baffle 14 is arranged on the right side of the heat extraction perforation 13, a bearing side groove 3 is attached to the outer side of the installation frame roller 4, the installation frame roller 4 is movably connected with the inner wall of the bearing side groove 3, the installation frame roller 4 and the bearing side groove 3 are both distributed in bilateral symmetry with respect to the central point of the spindle bearing box 1, and the bearing spindle 2 penetrates through the side surfaces of the installation frame roller 4 and the spindle bearing box 1, the mounting frame roller 4 is in threaded connection with the front end face of the bearing side groove 3, the device is integrally designed in an L shape, the inner space is large, the bearing capacity is high, the mounting frame roller 4 and the through bearing main shaft 2 can be transversely and directly taken out or plugged together by adopting the movable connection of the mounting frame roller 4 and the inner wall of the bearing side groove 3, the mounting difficulty in the main shaft box is greatly reduced, and meanwhile, the later maintenance, overhaul and replacement of the structure are facilitated;

the front end face of the spindle bearing box 1 is provided with a closed connecting cover 7, the lower end face of the closed front cover 6 is provided with an adjusting bottom shaft 11, the side surface of the closed front cover 6 is fixed with an installing thread plate 10, a rotating structure is formed between the closed front cover 6 and the closed connecting cover 7 and the adjusting bottom shaft 11, the closed front cover 6 and the closed connecting cover 7 are made of double-layer transparent glass materials, the device enables the internal structure to be easily observed by designing two groups of closed front covers 6 of the front end face into transparent materials, the two groups of closed front covers 6 rotate by adjusting the bottom shaft 11, opening and closing of front openings of the spindle bearing box 1 and the closed front cover 6 are facilitated, meanwhile, operation openings 8 penetrating through the surfaces of the closed front cover 6 and the closed connecting cover 7 are convenient for applying operations such as lubricating oil to an internal connecting assembly, and the maintenance difficulty is greatly reduced;

the appearance structure of the heat extraction perforation 13 is hollow and netted, and the inner wall swing joint of the heat dissipation baffle 14 and the heat extraction perforation 13, bear the left end face of the main shaft 2 and install the external roll body 12, the whole silence of the device is stronger, and two sets of heat extraction perforations 13 adopting the symmetrical design can improve the ventilation effect of the inside, the portable maintenance mode of collocation, improve the heat dissipation of the internal operation structure, and the perforation 13 of the heat extraction can be adjusted through the swing joint of the heat dissipation baffle 14 and the heat extraction perforation 13, and the use is convenient.

The working principle is as follows: for the spindle box of this kind, the apparatus is mainly made up of bearing box 1 of the spindle, spindle junction box 5 and heat extraction perforation 13, while using the apparatus, utilize the flat mounting threaded plate 10 of back end surface to laminate the position of the mounting point at first, then utilize the bolt to run through the screwed hole and fix the whole spindle box, then utilize the movable connection of inner wall of bearing side channel 3 and mounting frame roller 4 designed symmetrically to draw out forward from the inside of the bearing box 1 of the spindle, in this way can facilitate the bearing spindle 2 to run through and combine in the inside of the mounting frame roller 4;

then push the mounting frame roller 4 into the interior of the main shaft bearing box 1, fix with the front end of the bearing side trough 3 with the threaded plate and can realize the installation of a pack of bearing main shafts 2, the internal space structure of the main shaft connecting box 5 of the top keeps unanimous with the main shaft bearing box 1, can realize the installation according to the identical installation mode, then can connect the external roll body 12 externally, and utilize the rotating structure of the regulating bottom shaft 11 to close the closed front cover 6 in front of the main shaft connecting box 5, utilize the closed connecting cover 7 to close in front of the main shaft bearing box 1, the closed front cover 6 and closed connecting cover 7 all adopt the double-deck transparent glass material, facilitate the intuitive acquisition of the internal structure of operating personnel;

and the later stage when lubricating the gear assembly, can directly fill in defeated oil pipe through the operation trompil 8 that runs through, very big reduction the operation degree of difficulty, because produce great heat among gear and the power transmission process, the heat extraction perforation 13 that utilizes the bilateral symmetry design can improve inside ventilation effect, heat extraction perforation 13 adopts a large amount of trompils designs moreover, the heat radiation baffle 14 on right side can change the trompil size through the position that removes, realizes different ventilation and filter effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy headstock for digit control machine tool, includes that the main shaft bears case (1), main shaft connecting box (5) and heat extraction perforation (13), its characterized in that: the utility model discloses a spindle bearing box, including main shaft bearing box (1), main shaft connecting box (5), closed front cover (6), the surface of main shaft connecting box (5) runs through and has operation trompil (8), and the top of operation trompil (8) is provided with closed front baffle (9), heat extraction perforation (13) are installed in the side surface of main shaft connecting box (5), and the right side of heat extraction perforation (13) is provided with heat baffle (14).

2. The high-precision spindle box for the numerical control machine tool according to claim 1, characterized in that: the outer side of the mounting frame roller (4) is attached with a bearing side groove (3), and the mounting frame roller (4) is movably connected with the inner wall of the bearing side groove (3).

3. The high-precision spindle box for the numerical control machine tool according to claim 1, characterized in that: the mounting frame roller (4) and the bearing side groove (3) are distributed in bilateral symmetry about the central point of the main shaft bearing box (1), the bearing main shaft (2) penetrates through the side surfaces of the mounting frame roller (4) and the main shaft bearing box (1), and the mounting frame roller (4) is in threaded connection with the front end face of the bearing side groove (3).

4. The high-precision spindle box for the numerical control machine tool according to claim 1, characterized in that: the front end face of the main shaft bearing box (1) is provided with a closed connecting cover (7), the lower end face of the closed front cover (6) is provided with an adjusting bottom shaft (11), and a side surface of the closed front cover (6) is fixed with an installation thread plate (10).

5. The high-precision spindle box for the numerical control machine tool according to claim 1, characterized in that: the closed front cover (6) and the closed connecting cover (7) are of a rotating structure with the adjusting bottom shaft (11), and the closed front cover (6) and the closed connecting cover (7) are made of double-layer transparent glass.

6. The high-precision spindle box for the numerical control machine tool according to claim 1, characterized in that: the appearance structure of heat extraction perforation (13) is fretwork netted, and the inner wall swing joint of heat radiation baffle (14) and heat extraction perforation (13), external roll body (12) are installed to the left end face that bears main shaft (2).