CN216828662U

CN216828662U - Spindle box of multi-spindle numerical control machine tool and multi-spindle numerical control machine tool

Info

Publication number: CN216828662U
Application number: CN202123110310.3U
Authority: CN
Inventors: 袁圳伟; 欧昭; 唐伟明; 袁春林
Original assignee: Shenzhen Jiujiuben Automation Equipment Co ltd
Current assignee: Shenzhen Jiujiuben Automation Equipment Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-06-28
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a headstock and many spindles numerical control machine tool of many spindles numerical control machine tool, many spindles numerical control machine tool include two headstocks, and two headstocks sliding connection are on the stand side by side, and the headstock includes mount pad and main shaft installation department, and the main shaft installation department is located the below of mount pad, and the main shaft installation department is formed with the mounting hole that is used for installing the main shaft, and the central plane of the skew mount pad of direction of another mounting hole is kept away from to the center orientation of each mounting hole. The utility model discloses a headstock adopts eccentric structure, keeps the interval of adjacent headstock mount pad unchangeable when making the increase of adjacent main shaft interval, has shortened the interval of adjacent mount pad under the condition that adjacent tool magazine does not take place to interfere promptly, has just also shortened the width of stand, has reduced the weight of stand, and the weight of corresponding frame need not be too heavy to the cost has been saved.

Description

Spindle box of multi-spindle numerical control machine tool and multi-spindle numerical control machine tool

Technical Field

The utility model relates to a numerical control processing equipment field, concretely relates to headstock and many spindles numerically-controlled machine tool of many spindles numerically-controlled machine tool.

Background

At present, a vertical multi-spindle numerical control machine tool generally comprises a machine base, a stand column, at least two spindle boxes and a tool magazine, wherein each spindle box is correspondingly provided with one tool magazine, the spindle boxes are arranged in front of the stand column through mounting seats, and the width of the stand column is determined by the distance between the mounting seats of the spindle boxes.

However, the spindle center of the conventional spindle head is generally located on the central plane of the spindle head mounting seat, and when the tool magazine is assembled, the distance between adjacent spindles needs to be increased in order to prevent the adjacent tool magazines from interfering with each other.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a headstock, aims at solving current many main shafts lathe weight big, with high costs technical problem.

In order to achieve the above object, the utility model provides a headstock of many spindles digit control machine tool, many spindles digit control machine tool includes two headstocks, two headstock sliding connection is on the stand side by side, the headstock includes mount pad and main shaft installation department, the main shaft installation department is located the below of mount pad, the main shaft installation department is formed with the mounting hole that is used for installing the main shaft, each the direction that another mounting hole was kept away from to the center orientation of mounting hole is skew the central plane of mount pad.

Preferably, the mounting seat is formed with a mounting surface for connecting the upright post, and the distance from the center of the mounting hole to the mounting surface is 160mm-340 mm.

Preferably, the edge parts of two sides of the mounting surface are provided with first fastening seats, and the first fastening seats are used for fixedly connecting the sliding blocks.

Preferably, the mounting surface is convexly provided with a second fastening seat, the second fastening seat is positioned between the first fastening seats, and the second fastening seat is used for fixedly connecting a screw rod connecting sleeve.

Preferably, the stand of many spindles digit control machine tool still includes two at least oblique draw bars, each draw bar one end to one side is connected the mount pad, the other end is connected the main shaft installation department, be equipped with horizontal strengthening rib between oblique draw bar and the mount pad.

Preferably, the mounting seat and the diagonal draw bars are provided with lightening holes.

Preferably, the main shaft mounting part bearing is provided with a longitudinal reinforcing rib and a transverse reinforcing rib.

The utility model discloses further provide a many spindles digit control machine tool, including frame, stand and two as above the headstock, stand one end is fixed in on the frame, the other end and two headstock sliding connection, each the headstock correspondence is equipped with the tool magazine.

The utility model provides a headstock of many spindles digit control machine tool, many spindles digit control machine tool include two headstocks, two headstocks sliding connection are on the stand side by side, the headstock includes mount pad and main shaft installation department, the main shaft installation department is formed with the mounting hole that is used for installing the main shaft, the central plane of the skew mount pad of direction of another mounting hole is kept away from to the center orientation of each mounting hole for keep the interval of the mount pad of adjacent headstock unchangeable when adjacent main shaft interval increases. The distance between the adjacent mounting seats is shortened under the condition that the adjacent tool changers do not interfere, the width of the stand column is shortened, the weight of the stand column is reduced, the weight of the corresponding machine base does not need to be too heavy, and therefore the cost is saved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a multi-spindle numerical control machine tool according to the present invention;

fig. 2 is a schematic structural view of the spindle box according to the present invention;

FIG. 3 is a top view of the two spindles of the present invention;

fig. 4 is a schematic structural view of the spindle box according to another view angle of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings and embodiments.

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 efforts belong to the protection scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Example one

The embodiment of the utility model provides a headstock of many spindles numerical control machine tool, please refer to fig. 1 to 4, many spindles numerical control machine tool includes two headstocks 300, two headstocks 300 sliding connection are on stand 200 side by side, headstock 300 includes mount pad 1 and main shaft installation department 2, main shaft installation department 2 is located mount pad 1's below, main shaft installation department 2 is formed with the mounting hole 21 that is used for installing the main shaft, the central plane 111 of the skew mount pad of direction of another mounting hole 21 is kept away from to the center 211 orientation of each mounting hole.

The headstock 300 is one of important parts of a numerical control machine tool, the spindle center of the conventional headstock 300 is generally located on the central plane 111 of the mounting seat, when the tool magazine 400 is assembled, the distance between adjacent spindles needs to be increased in order to prevent the adjacent tool magazines 400 from interfering, and since the spindle center is located on the central plane 111 of the mounting seat of the headstock 300, the distance between the mounting seats 1 of the adjacent headstock 300 is also increased, which results in the increase of the width of the column 200 and the increase of the weight of the column 200.

In the present embodiment, the headstock 300 is designed to be eccentric, i.e., the mounting hole 21 is offset from the center plane of the mount base 1. Specifically, two headstocks 300 are connected to the column 200 in a sliding manner side by side, each headstock 300 comprises a mounting seat 1 and a spindle mounting part 2 connected to the mounting seat 1, the spindle mounting part 2 is provided with a mounting hole 21 for mounting a spindle, the center 211 of each mounting hole deviates from the central plane 111 of the mounting seat towards the direction away from the other mounting hole 21, the distance between adjacent mounting seats 1 is kept unchanged while the distance between adjacent spindles is increased, namely, the distance between adjacent mounting seats 1 is shortened under the condition that adjacent tool changers 400 do not interfere, the width of the column 200 is also shortened, the weight of the column 200 is reduced, the weight of the corresponding machine base 100 does not need to be too heavy, and therefore, the cost is saved.

Example two

Fig. 2 is a schematic structural view of the spindle box at a viewing angle, in an embodiment of the present invention, the mounting base 1 is formed with a mounting surface 11 for connecting the column 200, and a distance from the center of the mounting hole 21 to the mounting surface 11 is 160mm to 340 mm.

The distance between the center of the mounting hole 21 of the traditional spindle box 300 and the mounting surface 11 is generally more than 450mm, the spindle box 300 with the structure is overhung, when the spindle runs at high speed, the mounting surface 11 can bear large moment, and the stability is poor; the headstock hangs the extension, and the volume has increased, and weight also increases to the cost has increased. The distance from the center of the mounting hole 21 to the mounting surface 11 is 160-340 mm, the spindle box 300 is short in overhang, so that the moment applied to the mounting surface 12 is greatly reduced when the spindle runs at a high speed, and the stability is improved; meanwhile, the spindle box 300 is overhung and short, so that the size of the spindle box 300 is reduced, the weight is reduced, and the cost is reduced.

EXAMPLE III

Fig. 4 is a schematic structural view of the spindle box at another view angle, in which the two side edge portions of the mounting seat 1 provided by the embodiment of the present invention are provided with first fastening seats 13, and the first fastening seats 13 are used for fixedly connecting the sliding blocks.

In this embodiment, the headstock 300 is slidably mounted on the column 200. Specifically, the edge portions of both sides of the mounting seat 11 of the spindle box 300 are provided with first fastening seats 13, the first fastening seats 13 are connected with sliding blocks, the column 200 is provided with sliding rails, the sliding blocks are slidably mounted on the sliding rails, and the spindle box 300 can slide up and down on the column 200.

Example four

Referring to fig. 4, the mounting surface 11 according to the embodiment of the present invention is convexly provided with a second fastening seat 14, the second fastening seat 14 is located between the first fastening seats 13, and the second fastening seat 14 is used for fixedly connecting the screw rod connecting sleeve.

In this embodiment, the spindle head 300 is driven by a motor screw. Specifically, a second fastening seat 14 is convexly arranged on the mounting surface 11 of the spindle box 300, the second fastening seat 14 is located between the first fastening seats 13, the second fastening seat 14 is connected with a screw rod connecting sleeve, the upright post 200 is provided with a motor and a screw rod, the screw rod connecting sleeve is sleeved on the screw rod, and the motor drives the spindle box 300 to move on the upright post 200.

EXAMPLE five

Referring to fig. 2, the embodiment of the present invention provides a spindle box 300 further including at least two oblique draw bars 3, mount pad 1 is connected to 3 one ends of each oblique draw bar, main shaft installation department 2 is connected to the other end, and lateral reinforcing rib is equipped with between oblique draw bar 3 and the mount pad 1.

In this embodiment, the effect of diagonal draw rib 3 and horizontal strengthening rib is mainly the rigidity that strengthens headstock 300, simultaneously, can also guarantee that headstock 300 rigidity reduces the wall thickness of headstock simultaneously, has alleviateed the weight of headstock, the cost is reduced.

EXAMPLE six

Referring to fig. 2, the spindle mounting portion 2 according to the embodiment of the present invention is provided with a longitudinal rib and a transverse rib on the circumferential side.

In this embodiment, the longitudinal reinforcing ribs and the transverse reinforcing ribs are arranged on the periphery of the main shaft mounting portion 2, and the longitudinal reinforcing ribs and the transverse reinforcing ribs can enhance the strength and rigidity of the main shaft mounting portion 2 to a great extent, so that the material consumption is reduced, the weight is reduced, and the cost is reduced.

EXAMPLE seven

Referring to fig. 2, the mounting base 1 and the diagonal brace 3 provided by the embodiment of the present invention are provided with lightening holes.

In the embodiment, the mounting seat 1 and the diagonal draw bars 3 are provided with lightening holes, and the weight of the spindle box is further reduced by the lightening holes, so that the cost is reduced.

Referring to fig. 1, the utility model discloses a many spindles digit control machine tool is further provided, including frame 100, stand 200 and two headstocks 300, on stand 200 one end was fixed in frame 100, the other end and two headstocks 300 sliding connection, each headstock 300 corresponds and is equipped with tool magazine 400.

The specific structure of the spindle box refers to the above embodiments, and since the numerical control machine tool adopts all technical solutions of all the above embodiments, at least all technical effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

What just go up be the utility model discloses a part or preferred embodiment, no matter be characters or the drawing can not consequently restrict the utility model discloses the scope of protection, all with the utility model discloses a holistic thought down, utilize the equivalent structure transform that the contents of the description and the drawing do, or direct/indirect application all includes in other relevant technical field the utility model discloses the within range of protection.

Claims

1. The utility model provides a headstock of many spindles digit control machine tool, many spindles digit control machine tool includes two headstocks, two headstock sliding connection is on the stand side by side, its characterized in that:

the headstock includes mount pad and main shaft installation department, the main shaft installation department is located the below of mount pad, the main shaft installation department is formed with the mounting hole that is used for installing the main shaft, each the center orientation of mounting hole is kept away from the direction skew of another mounting hole the central plane of mount pad.

2. The headstock of claim 1, wherein the mounting seat is formed with a mounting surface for connecting the column, and a distance from a center of the mounting hole to the mounting surface is 160mm to 340 mm.

3. The main spindle box of a multi-spindle numerical control machine tool according to claim 2, wherein first fastening seats are provided at both side edge portions of the mounting surface, and the first fastening seats are used for fixedly connecting the slide blocks.

4. The main spindle box of a multi-spindle numerical control machine tool according to claim 3, wherein a second fastening seat is convexly arranged on the mounting surface, the second fastening seat is located between the first fastening seats, and the second fastening seat is used for fixedly connecting a screw rod connecting sleeve.

5. The spindle box of the multi-spindle numerical control machine tool according to claim 1, further comprising at least two diagonal draw bars, wherein one end of each diagonal draw bar is connected to the mounting base, the other end of each diagonal draw bar is connected to the spindle mounting portion, and a transverse reinforcing rib is arranged between each diagonal draw bar and the mounting base.

6. The headstock of claim 1, wherein longitudinal ribs and transverse ribs are provided on the circumferential side of the spindle mounting portion.

7. The headstock of a multi-spindle numerical control machine tool according to claim 1, wherein the mount and the diagonal draw bars are provided with lightening holes.

8. A multi-spindle numerical control machine tool comprises a base, a stand column and two spindle boxes according to any one of claims 1 to 7, wherein one end of the stand column is fixed on the base, the other end of the stand column is in sliding connection with the two spindle boxes, and each spindle box is correspondingly provided with a tool magazine.