CN212122578U

CN212122578U - Machine tool protective cover for large machining center

Info

Publication number: CN212122578U
Application number: CN202020404685.7U
Authority: CN
Inventors: 王海龙; 伍志健
Original assignee: Jiangsu Guiyu Aviation Industry Co ltd
Current assignee: Jiangsu Guiyu Aviation Industry Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-12-11
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a large-scale machining center lathe protection casing, including overhead guard, extension mechanism, the overhead guard includes the fixed cover body, the folding cover body, the bottom surface of the fixed cover body left and right sides inner wall limiting plate is horizontal activity respectively and is equipped with first guide pulley, the inner wall of the folding cover body is horizontal activity respectively through T shape connector and is equipped with the second guide pulley, extension mechanism includes driving motor, drive screw, cross drive connecting rod, drive screw passes through the transmission seat and vertically establishes the folding cover body inner wall in driving motor one side, the both ends of cross drive connecting rod link to each other through the folding cover body inner wall of locating pin and the folded body in interval respectively. The utility model discloses rotate through driving motor during the use and drive that drive screw is rotatory in order to shrink folding cover body in proper order from the extroversion in and accomplish the operation of uncapping, close control driving motor reversal in order to outwards spread out the folding cover body when covering, guarantee automatic control when to lathe debugging efficiency, satisfy the production demand, excellent in use effect.

Description

Machine tool protective cover for large machining center

Technical Field

The utility model relates to a lathe protection casing technical field specifically is a large-scale machining center lathe protection casing.

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 protective cover is used for protecting a machine tool guide rail, and can protect the internal hard guide rail, the linear guide rail, the ball screw or the transmission rack of the machine tool from being corroded and damaged by the outside. It is of many kinds, including: the organ protective cover and the steel plate protective cover are used on the guide rail; also, a lead screw boot for use with a lead screw comprising: circular, square and polygonal, which are different in practice, and are supported by steel wires and also sewn. The existing machine tool protective cover is mostly of a length-fixed structure, and shielding protection is completed through a manual push-pull mode when the existing machine tool protective cover is used, so that the use of a machine tool is influenced, the occupied space is large, time consumption for adjustment is long, the labor intensity is high, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-scale machining center lathe protection casing to it is big to solve among the prior art fixed length formula protection casing occupation space, and the adjustment is long consuming time moreover, problem that intensity of labour is big.

In order to achieve the above object, the utility model provides a following technical scheme: a machine tool protective cover of a large machining center comprises a top cover and an extension mechanism, wherein the top cover comprises a fixed cover body and a folding cover body, the bottom ends of the inner walls at the left side and the right side of the fixed cover body are respectively and longitudinally fixedly provided with a T-shaped limiting plate, the bottom surface of the limiting plate is transversely and movably provided with a plurality of first guide wheels through a groove, the folding cover body is symmetrically and fixedly arranged on the front side surface and the rear side surface of the fixed cover body through a mounting plate, the inner wall of the folding cover body is respectively and transversely movably provided with a second guide wheel through a T-shaped connecting body, the extension mechanism comprises a driving motor, a transmission screw and a cross transmission connecting rod, the driving motor is longitudinally and fixedly arranged at one end of the top of the inner wall of the fixed cover body through a motor base, the transmission screw rod is longitudinally and movably arranged on the inner wall of the folding cover body at one side of the driving motor through the transmission seat, two ends of the cross transmission connecting rod are respectively connected with the inner wall of the folding cover body which is separated by a folding body through positioning pins.

Preferably, the folding cover body is formed by connecting and combining a plurality of single folding bodies and a dust screen, and the size of the folding cover body is the same as that of the fixed cover body.

Preferably, the first guide wheel and the second guide wheel are the same in size and are made of rubber, and the horizontal heights of the connecting bodies at the limiting plate and the second guide wheel are the same.

Preferably, the driving motor is a high-frequency forward and reverse rotating motor, and an output shaft of the driving motor is in meshed connection with the outer surface of one end of the transmission screw rod through a reduction gearbox.

Preferably, the drive screw is conical structure, the tooth axle internal diameter that folding cover body and drive screw junction transmission seat inner wall activity were equipped with increases from inside to outside in proper order.

Preferably, the inner walls of the folding cover bodies on the two sides of the fixed cover body are respectively provided with a group of extension mechanisms and are reversely installed, and the inner walls of the folding cover bodies are s-shaped and are at least provided with three groups of cross transmission connecting rods.

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

1. extension mechanism includes driving motor, drive screw, alternately transmission connecting rod, drive screw be conical structure and complementary with the tooth axle internal diameter of folding cover body junction transmission seat inner wall, rotate through driving motor during the use and drive the drive screw rotatory in order to contract folding cover body in proper order from the extroversion inwards and accomplish the operation of uncapping, control driving motor reversal when closing the cover in order to outwards spread the folding cover body, automatic control when guaranteeing to lathe debugging efficiency satisfies the production demand, excellent in use effect.

2. The bottom surface at the fixed cover body left and right sides inner wall T limiting plate that appears is equipped with first guide pulley in the horizontal activity respectively, and the folding cover body inner wall activity in the limiting plate outside is equipped with the second guide pulley, and the reliability of being connected between when the protection casing can effectively be guaranteed to T shape limiting plate and lathe, first guide pulley and second guide pulley can effectively reduce the life of friction in order to increase protection casing and lathe, and the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a bottom view of the present invention;

fig. 3 is a sectional view of the partial transmission structure of the extension mechanism of the present invention.

In the figure: 1. a top cover; 2. fixing the cover body; 3. folding the cover body; 4. a limiting plate; 5. a first guide wheel; 6. a second guide wheel; 7. a drive motor; 8. a drive screw; 9. a cross drive link; 10. a gear shaft.

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, 2 and 3, in an embodiment of the present invention, a machine tool protective cover for a large machining center includes a top cover 1 and an extension mechanism, the top cover 1 includes a fixed cover 2 and a foldable cover 3, a T-shaped spacing plate 4 is respectively and longitudinally fixed at the bottom end of the inner wall of the left and right sides of the fixed cover 2, a plurality of first guide wheels 5 are transversely and movably disposed on the bottom surface of the spacing plate 4 by forming a groove, the foldable cover 3 is symmetrically and fixedly disposed on the front and rear side surfaces of the fixed cover 2 by a mounting plate, a second guide wheel 6 is respectively and transversely and movably disposed on the inner wall of the foldable cover 3 by a T-shaped connector, the extension mechanism includes a driving motor 7, a driving screw 8 and a cross transmission link 9, the driving motor 7 is longitudinally and fixedly disposed at one end of the top of the inner wall of the fixed cover 2 by a motor base, the driving screw 8, two ends of the cross transmission connecting rod 9 are respectively connected with the inner wall of the folding cover body 3 which is separated by a folding body through positioning pins; the folding cover body 3 is formed by connecting and combining a plurality of single folding bodies and a dust screen, and the size of the folding cover body 3 is the same as that of the fixed cover body 2, so that the use requirement is met; the first guide wheel 5 and the second guide wheel 6 are the same in size and are made of rubber, and the horizontal heights of the connecting bodies at the position of the limiting plate 4 and the position of the second guide wheel 6 are the same, so that the moving position of the top cover is limited; the driving motor 7 is a high-frequency forward and reverse rotating motor, an output shaft of the driving motor 7 is meshed and connected with the outer surface of one end of the transmission screw 8 through a reduction box, and the driving connection reliability of the driving motor 7 is guaranteed; the transmission screw 8 is in a conical structure, and the inner diameter of a gear shaft 10 movably arranged on the inner wall of the transmission seat at the joint of the folding cover body 3 and the transmission screw 8 is sequentially increased from inside to outside so as to meet the sequential control requirement; the inner walls of the folding cover bodies 3 on the two sides of the fixed cover body 2 are respectively provided with a group of extension mechanisms and are reversely installed, the inner walls of the folding cover bodies 3 are at least provided with three groups of cross transmission connecting rods 9 in an s shape, and the influence on the service life of a motor caused by synchronous movement of the folding bodies is avoided while the transmission connection is reliable.

The utility model discloses a theory of operation and use flow: during the use according to the demand with the overhead guard 1 through limiting plate 4 and connector stable arrange the guide rail at lathe top in, it drives transmission screw 8 rotation in order to drive folding cover body 3 from the extroversion to the shrink folder in proper order under the transmission seat effect through control driving motor 7 rotation when needing to open the cover, cross drive connecting rod 9 can effectively guarantee the transmission and connect reliable the time avoid folder synchronous motion to influence motor life, control driving motor 7 reversal in order to outwards spread folding cover body 3 when closing the cover, guarantee automatic control when to lathe debugging efficiency, satisfy the production demand, excellent in use effect.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a large-scale machining center lathe protection casing, includes overhead guard (1), extension mechanism, its characterized in that: the top cover (1) comprises a fixed cover body (2) and a folding cover body (3), wherein T-shaped limiting plates (4) are longitudinally and fixedly arranged at the bottom ends of the left side inner wall and the right side inner wall of the fixed cover body (2) respectively, a plurality of first guide wheels (5) are transversely movably arranged on the bottom surface of each limiting plate (4) by arranging grooves, the folding cover body (3) is symmetrically and fixedly arranged on the front side surface and the rear side surface of the fixed cover body (2) respectively, second guide wheels (6) are transversely and movably arranged on the inner wall of the folding cover body (3) by a T-shaped connecting body respectively, the extension mechanism comprises a driving motor (7), a transmission screw (8) and a cross transmission connecting rod (9), the driving motor (7) is longitudinally and fixedly arranged at one end of the top of the inner wall of the fixed cover body (2) by a motor base, the transmission screw (8) is longitudinally and movably arranged, two ends of the cross transmission connecting rod (9) are respectively connected with the inner wall of the folding cover body (3) which is separated by a folding body through positioning pins.

2. The shield for a large machining center according to claim 1, wherein: the folding cover body (3) is formed by connecting and combining a plurality of single folding bodies and a dust screen, and the size of the folding cover body (3) is the same as that of the fixed cover body (2).

3. The shield for a large machining center according to claim 1, wherein: the first guide wheel (5) and the second guide wheel (6) are the same in size and are made of rubber, and the horizontal heights of the connecting bodies at the limiting plate (4) and the second guide wheel (6) are the same.

4. The shield for a large machining center according to claim 1, wherein: the driving motor (7) is a high-frequency forward and reverse rotating motor, and an output shaft of the driving motor (7) is meshed and connected with the outer surface of one end of the transmission screw rod (8) through a reduction gearbox.

5. The shield for a large machining center according to claim 1, wherein: the transmission screw (8) is of a conical structure, and the inner diameter of a gear shaft (10) movably arranged on the inner wall of a transmission seat at the joint of the folding cover body (3) and the transmission screw (8) is sequentially increased from inside to outside.

6. The shield for a large machining center according to claim 1, wherein: the folding cover body (3) inner wall of the fixed cover body (2) both sides is equipped with a set of extension mechanism respectively and installs in reverse, the folding cover body (3) inner wall is the S-shaped and is equipped with three sets of cross drive connecting rods (9) at least.