CN210731814U - Protection device and lathe - Google Patents

Abstract

The utility model provides a protector and lathe. Wherein, protector includes: a moving part movably disposed on the bed; the fixed part is fixedly connected with the lathe bed through the adjusting part, and the fixed part and the moving part enclose a processing space; the sealing part is arranged on the fixed part and positioned between the fixed part and the movable part so as to prevent the cutting fluid from flowing out of the processing space through a gap between the fixed part and the movable part; wherein, the adjusting part is movably arranged on the bed body so as to adjust the position of the fixing part through the adjusting part and enable the sealing part to press the moving part. The technical scheme of the utility model the problem of the cutting fluid of lathe among the prior art leaks easily has been solved.

Description

Protection device and lathe

Technical Field

The utility model relates to a lathe technical field particularly, relates to a protector and lathe.

Background

Machine tools are used to machine workpieces to desired geometries, dimensional accuracies and surface qualities. The machine tool generally comprises a clamp, a cutter, a cutting fluid supply device and a protection device, wherein the clamp is used for clamping a workpiece and driving the workpiece to rotate; the cutter is used for cutting the rotating workpiece; the cutting fluid supply device is used for providing cutting fluid in the cutting process, and the cutting fluid is used for cooling and lubricating a workpiece and a cutter; the protective device is used for enclosing a closed machining space, and prevents scrap iron and cutting fluid from splashing outside the machining space to influence the use of the lathe and the safety of an operator.

However, in the process that the clamp drives the workpiece to rotate, the cutting fluid is inevitably thrown onto the protective device, and after the machine tool is used for a long time, the cutting fluid easily flows out of a machining space from a gap between a moving part and a fixed part of the protective device, so that the leakage of the cutting fluid is caused, and the use of the machine tool is influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a protection device and a machine tool, which solve the problem of easy leakage of cutting fluid of machine tools in the prior art.

In order to achieve the above object, the utility model provides a protection device, include: a moving part movably disposed on the bed; the fixed part is fixedly connected with the lathe bed through the adjusting part, and the fixed part and the moving part enclose a processing space; the sealing part is arranged on the fixed part and positioned between the fixed part and the movable part so as to prevent the cutting fluid from flowing out of the processing space through a gap between the fixed part and the movable part; wherein, the adjusting part is movably arranged on the bed body so as to adjust the position of the fixing part through the adjusting part and enable the sealing part to press the moving part.

Further, the adjustment section includes: the bracket is connected with the fixing part, and a connecting hole is formed in the bracket; and the support is connected with the support through the connecting hole and the locking structure, so that the relative position of the support and the bed body is adjusted by adjusting the relative position of the locking structure and the connecting hole.

Furthermore, the moving portion is movably arranged along a first preset direction, the connecting holes are strip-shaped holes, and the extending direction of the strip-shaped holes and the first preset direction form an included angle.

Furthermore, the locking structure comprises a bolt and a nut, and a bolt rod of the bolt penetrates through the connecting hole and the lathe bed and then is connected with the nut; the moving portion is movably arranged along a first preset direction, the connecting hole is a strip-shaped hole and extends along the first preset direction, and the width of the connecting hole is larger than the diameter of the bolt rod.

Furthermore, the bracket is provided with a holding hole, so that a holding structure is formed between the hole wall of the holding hole and the edge of the bracket, and the position of the bracket is adjusted by operating the holding structure.

Further, the stand includes: the first connecting plate section is used for being connected with the lathe bed, and the second connecting plate section is used for being connected with the fixing part; the holding plate section is connected with the first connecting plate section and the second connecting plate section, and a holding hole is formed in the holding plate section.

Furthermore, the holding plate section is arranged in a triangular shape, and the holding holes are arranged in a triangular shape.

Further, the moving part includes a moving plate extending in a first predetermined direction, the moving plate being movably disposed in the first predetermined direction; the fixed part includes: the baffle plate is connected with the lathe bed through the adjusting part, the baffle plate extends along a second preset direction, and the second preset direction and the first preset direction form an included angle; the fixed plate, the fixed plate is including being first plate section and the second plate section that the contained angle set up, and first plate section extends along the second predetermined direction, and first plate section is connected with the baffle, and the second plate section extends along first predetermined direction, and the sealing portion sets up on the second plate section and lies in between second plate section and the movable plate.

Further, the fixed plate and the adjusting part are respectively positioned on two sides of the baffle plate, and the adjusting part is positioned outside the processing space.

Further, the sealing portion is made of rubber or silicone.

According to another aspect of the present invention, there is provided a machine tool, including: a bed body; the protective device is connected with the lathe bed and is the protective device; the clamp is arranged on the fixing part of the protective device and positioned in the processing space, and the clamp is used for clamping a workpiece; the driving part is arranged on the lathe bed and positioned outside the machining space, and the driving part is in driving connection with the clamp so as to drive the clamp to drive the workpiece to rotate through the driving part.

Further, the lathe bed is a slant lathe bed; the moving part of the protection device comprises a first moving part and a second moving part which are connected, the first moving part extends along the inclined direction of the inclined bed body, and the second moving part extends along the vertical direction; the fixing part of the protection device comprises a first fixing part and a second fixing part which are connected, the first fixing part extends along the inclined direction of the inclined lathe bed, and the second fixing part extends along the vertical direction; the second connecting plate section of the adjusting part of the protection device comprises a first sub-plate section and a second sub-plate section which are connected, the first sub-plate section extends along the inclined direction of the inclined lathe bed, and the second sub-plate section extends along the vertical direction.

Use the technical scheme of the utility model, protector includes adjustment portion and sealing, and the fixed part passes through the adjustment portion setting on the lathe bed, and the sealing sets up on the fixed part and compresses tightly in the removal portion, and the operator can adjust the position of fixed part on the lathe bed through the operation adjustment portion to the position of adjustment setting sealing on the fixed part makes the sealing compress tightly reliably in the removal portion, avoids the cutting fluid to leak through the clearance between removal portion and the fixed part.

When the protection device provided by the application is assembled on the lathe bed or when the leakage condition occurs at the joint of the moving part and the fixing part after the lathe bed is used for a period of time, an operator can adjust the positions of the fixing part and the sealing part on the lathe bed through the adjusting part, and the sealing part is guaranteed to be reliably pressed on the moving part, so that the leakage of the lathe bed is effectively avoided.

Drawings

The accompanying drawings, which form a part of the present application, 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 shows a schematic structural view of an angle of a partial structure of a machine tool according to an alternative embodiment of the invention;

FIG. 2 shows an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of another angle of the partial structure of the machine tool of FIG. 1;

fig. 4 is a schematic structural view showing a holder of an adjusting portion of the guard of the machine tool in fig. 3.

Wherein the figures include the following reference numerals:

100. a bed body; 200. a guard; 1. a machining space; 10. a moving part; 101. a first moving part; 102. a second moving part; 11. moving the plate; 20. a fixed part; 21. a baffle plate; 22. a fixing plate; 221. a first plate section; 222. a second plate section; 201. a first fixed part; 202. a second fixed part; 30. an adjustment part; 31. a support; 311. a first connector plate segment; 301. connecting holes; 312. a second connector plate segment; 314. a first sub-board segment; 315. a second sub-board segment; 313. a grip plate segment; 302. a holding hole; 310. a holding structure; 40. a sealing part; 300. a clamp; 400. a drive section.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.

In order to solve the problem that the cutting fluid of the lathe among the prior art leaks easily, the utility model provides a protector and lathe.

As shown in fig. 1 to 4, the guard device includes a moving part 10, a fixed part 20, an adjusting part 30 and a sealing part 40, the moving part 10 is movably disposed on the machine tool 100, the fixed part 20 is fixedly connected with the machine tool 100 through the adjusting part 30, the fixed part 20 and the moving part 10 enclose a machining space 1, and the sealing part 40 is disposed on the fixed part 20 and between the fixed part 20 and the moving part 10 to prevent the cutting fluid from flowing out of the machining space 1 through a gap between the fixed part 20 and the moving part 10; wherein, the adjusting part 30 is movably disposed on the bed 100 to adjust the position of the fixing part 20 by the adjusting part 30 so that the sealing part 40 is pressed against the moving part 10.

In the present embodiment, the guard device includes an adjusting portion 30 and a sealing portion 40, the fixing portion 20 is disposed on the bed 100 through the adjusting portion 30, the sealing portion 40 is disposed on the fixing portion 20 and pressed against the moving portion 10, and an operator can adjust the position of the fixing portion 20 on the bed 100 by operating the adjusting portion 30, so as to adjust the position of the sealing portion 40 disposed on the fixing portion 20, so that the sealing portion 40 is reliably pressed against the moving portion 10, and the cutting fluid is prevented from leaking through a gap between the moving portion 10 and the fixing portion 20.

When the protection device provided by the application is assembled on the machine tool 100 or when a leakage situation occurs at the joint of the moving part 10 and the fixed part 20 after the machine tool is used for a period of time, an operator can adjust the positions of the fixed part 20 and the sealing part 40 on the machine tool 100 through the adjusting part 30, so that the sealing part 40 is reliably pressed on the moving part 10, and the leakage of the machine tool is effectively avoided.

As shown in fig. 3, the adjusting part 30 includes a bracket 31 and a locking structure, the bracket 31 is connected with the fixing part 20, a connecting hole 301 is provided on the bracket 31, and the bracket 31 is connected with the bracket 31 through the connecting hole 301 and the locking structure to adjust the relative position of the bracket 31 and the bed 100 by adjusting the relative position of the locking structure and the connecting hole 301. When the positions of the fixing part 20 and the sealing part 40 need to be adjusted, an operator operates the locking structure to switch from the locking state to the unlocking state, and then operates the bracket 31 to drive the fixing part 20 and the sealing part 40 to move towards one side close to the moving part 10, so that the sealing part 40 is pressed on the moving part 10; after the adjustment is completed, an operator operates the locking structure to switch from the unlocking state to the locking state, the fixing portion 20 and the sealing portion 40 are fixed on the lathe bed 100, the sealing portion 40 is tightly pressed on the moving portion 10, a gap between the moving portion 10 and the fixing portion 20 is filled, and in the process that the moving portion 10 moves relative to the lathe bed 100, the cutting fluid is prevented from leaking out of the machining space.

Optionally, a mounting hole corresponding to the connecting hole 301 is formed in the bed 100, the locking structure includes a bolt and a nut, a screw of the bolt passes through the connecting hole 301 and the mounting hole and then is in threaded connection with the nut, and after the nut is tightened, the locking structure is in a locking state, and the adjusting portion 30 is fixed on the bed 100.

Wherein, one of the mounting hole and the connecting hole 301 is a strip-shaped hole, and the position of the bracket 31 is adjusted by adjusting the position of the screw rod in the strip-shaped hole.

As shown in fig. 3, the moving portion 10 is movably disposed along a first predetermined direction, the connecting hole 301 is a strip-shaped hole, and an extending direction of the strip-shaped hole forms an included angle with the first predetermined direction. Because the extending direction of the strip-shaped hole and the first predetermined direction form an included angle, when the locking structure is adjusted along the extending direction of the strip-shaped hole, the adjusting portion 30, the fixing portion 20 and the sealing portion 40 can move towards the direction close to the moving portion 10 synchronously, so that the sealing portion 40 is pressed on the moving portion 10.

Alternatively, the extending direction of the strip-shaped hole is perpendicular to the first predetermined direction, so that the sealing part 40 moves only in a direction to approach the moving part 10 when the position of the sealing part 40 is adjusted by the adjusting part 30.

Alternatively, the angle between the extending direction of the strip-shaped hole and the first predetermined direction may be an acute angle or an obtuse angle, so that when the position of the sealing portion 40 is adjusted by the adjusting portion 30, the sealing portion 40 moves in both the direction approaching the moving portion 10 and the first predetermined direction, thereby adjusting the volume of the processing space 1 and allowing the sealing portion 40 to be pressed against the moving portion 10.

In an alternative embodiment of the present application, not shown, the mounting holes are strip-shaped holes.

As shown in fig. 3, the plurality of connecting holes 301 and the plurality of locking structures are provided, and the plurality of connecting holes 301 are spaced along the first predetermined direction, so that the stability of the connection between the bracket 31 and the bed 100 is improved.

Optionally, the locking structure comprises a bolt and a nut, and a bolt rod of the bolt passes through the connecting hole 301 and the bed 100 and then is connected with the nut; the moving part 10 is movably disposed in a first predetermined direction, the connection hole 301 is a bar-shaped hole and extends in the first predetermined direction, and the width of the connection hole 301 is greater than the diameter of the bolt shank. In this way, the bolt bar can be moved in the first predetermined direction and also in the width direction of the connection hole 301, so that the bracket 31 can be movably disposed on the bed 100 in both the first predetermined direction and the width direction of the connection hole 301. The volume of the processing space 1 may be adjusted when the holder 31 is moved in the first predetermined direction, and the sealing part 40 may be pressed against the moving part 10 when the holder 31 is moved in the width direction of the second coupling hole 301.

In the present application, the width of the connection hole 301 refers to the size of the connection hole 301 in the direction perpendicular to the first predetermined direction.

As shown in fig. 3 and 4, the holder 31 is provided with a holding hole 302, so that a holding structure 310 is formed between a hole wall of the holding hole 302 and an edge of the holder 31, and the position of the holder 31 is adjusted by operating the holding structure 310. The position of the bracket 31 is convenient for the operator to adjust by arranging the holding structure 310.

As shown in fig. 3 and 4, the bracket 31 includes a first connecting plate section 311, a second connecting plate section 312, and a holding plate section 313, the first connecting plate section 311 and the second connecting plate section 312 are disposed at an included angle, the first connecting plate section 311 is used for being connected to the bed 100, the second connecting plate section 312 is used for being connected to the fixing portion 20, the holding plate section 313 is connected to both the first connecting plate section 311 and the second connecting plate section 312, and the holding plate section 313 is provided with a holding hole 302. Thus, the connection of the holder 31 with the bed 100 and the fixing portion 20 is facilitated.

In the particular embodiment shown in fig. 3 of the present application, the bracket 31 is connected to the baffle 21.

Optionally, an included angle between the first connecting plate section 311 and the second connecting plate section 312 is flexibly set according to actual needs.

Optionally, the angle between the first connecting plate segment 311 and the second connecting plate segment 312 is 90 °.

As shown in fig. 3 and 4, the grip plate section 313 is disposed in a triangular shape, and the grip hole 302 is disposed in a triangular shape. Thus, the bracket 31 has simple structure, convenient holding and low cost.

Optionally, the grip plate segment 313 is a right triangle.

Optionally, the gripping structure 310 is a diagonal draw bar.

As shown in fig. 1 and 2, the moving section 10 includes a moving plate 11 extending in a first predetermined direction, the moving plate 11 being movably disposed in the first predetermined direction; the fixing portion 20 includes a baffle 21 and a fixing plate 22, the baffle 21 is connected with the bed 100 through the adjusting portion 30, the baffle 21 extends along a second predetermined direction, the second predetermined direction is arranged at an included angle with the first predetermined direction, the fixing plate 22 includes a first plate section 221 and a second plate section 222 arranged at an included angle, the first plate section 221 extends along the second predetermined direction, the first plate section 221 is connected with the baffle 21, the second plate section 222 extends along the first predetermined direction, and the sealing portion 40 is arranged on the second plate section 222 and located between the second plate section 222 and the moving plate 11.

As shown in fig. 1 and 3, the fixing plate 22 and the adjusting part 30 are respectively located on both sides of the baffle plate 21, and the adjusting part 30 is located outside the processing space 1.

Alternatively, the sealing part 40 is made of rubber or silicone. When the sealing portion 40 is pressed against the movable portion 10, the sealing portion 40 is elastically deformed to prevent the cutting fluid from leaking out of the machining space 1 from between the sealing portion 40 and the movable portion 10, thereby ensuring reliable sealing between the movable portion 10 and the fixed portion 20.

Optionally, the sealing portion 40 is a sealing strip.

As shown in fig. 1 and fig. 3, the machine tool includes a machine tool body 100, a protection device 200, a fixture 300 and a driving part 400, the protection device 200 is connected to the machine tool body 100, the protection device 200 is the above protection device, the fixture 300 is disposed on a fixing part 20 of the protection device 200 and located in a processing space 1, the fixture 300 is used for clamping a workpiece, the driving part 400 is disposed on the machine tool body 100 and located outside the processing space 1, and the driving part 400 is drivingly connected to the fixture 300 so as to drive the fixture 300 to drive the workpiece to rotate through the driving part 400. In this way, the protection device 200 can ensure that the cutting fluid cannot leak to one side of the driving part 400, and avoid the driving part 400 from short-circuit failure, thereby improving the performance of the machine tool and ensuring the safe and reliable operation of the machine tool. Protector 200 still is used for preventing iron fillings and cutting fluid to splash to process space 1 outside, guarantees operator's safety, and it is clean and tidy to promote the factory building environment, is favorable to retrieving recycling iron fillings and cutting fluid etc..

As shown in fig. 1 and 3, the bed 100 is a slant bed; the moving part 10 of the guard 200 includes a first moving part 101 and a second moving part 102 connected, the first moving part 101 extends in the inclined direction of the slant bed, and the second moving part 102 extends in the vertical direction; the fixing part 20 of the guard 200 includes a first fixing part 201 and a second fixing part 202 connected with each other, the first fixing part 201 extends along the inclined direction of the slant bed, and the second fixing part 202 extends along the vertical direction; the second connecting plate section 312 of the adjusting portion 30 of the guard 200 includes a first sub-plate section 314 and a second sub-plate section 315 connected, the first sub-plate section 314 extending in the slant direction of the slant bed, and the second sub-plate section 315 extending in the vertical direction. The application provides a lathe is inclined lathe bed, has correspondingly adjusted protector 200's structure, practices thrift space and reduce cost when effectively protecting inclined lathe bed lathe.

Optionally, the sealing portion includes a first sealing portion and a second sealing portion, the first sealing portion extends along an oblique direction of the slant bed, the second sealing portion extends along a vertical direction, the first sealing portion is located between the first fixing portion and the first moving portion, and the second sealing portion is located between the second fixing portion and the second moving portion.

Optionally, the moving part 10 of the guard 200 is slidably connected to the slant bed 100. One of the moving part 10 and the inclined bed 100 is provided with a slide block, and the other is provided with a slide groove extending along a first predetermined direction.

Optionally, the machine tool provided by the application is an inclined-bed horizontal numerically controlled lathe.

Because the lathe bed 100 is obliquely arranged, the fixing part 20 of the protection device 200 is easier to move towards the direction far away from the moving part 10 under the action of gravity, so that after the lathe runs for a preset time, the positions of the fixing part 20 and the sealing part 40 can be regularly adjusted through the adjusting part 30 of the protection device 200, the sealing part 40 is reliably pressed on the moving part 10, and the phenomenon of leakage after the cutting fluid is sprayed for a long time is avoided.

The protection device and the machine tool provided by the application can achieve the double leakage-proof effect by arranging the adjusting part 30 and the sealing part 40.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (12)

1. A protective device, comprising:

a moving part (10), wherein the moving part (10) is movably arranged on the bed body (100);

the device comprises a fixing part (20) and an adjusting part (30), wherein the fixing part (20) is fixedly connected with the lathe bed (100) through the adjusting part (30), and the fixing part (20) and the moving part (10) enclose a processing space (1);

a sealing portion (40), the sealing portion (40) being provided on the fixed portion (20) and between the fixed portion (20) and the movable portion (10) to prevent the cutting fluid from flowing out of the machining space (1) through a gap between the fixed portion (20) and the movable portion (10);

wherein the adjusting part (30) is movably arranged on the lathe bed (100) to adjust the position of the fixing part (20) through the adjusting part (30) so that the sealing part (40) presses the moving part (10).

2. Guard device according to claim 1, characterized in that the adjustment part (30) comprises:

the bracket (31), the bracket (31) is connected with the fixing part (20), and a connecting hole (301) is formed in the bracket (31);

the support (31) is connected with the support (31) through the connecting hole (301) and the locking structure, so that the relative position of the support (31) and the bed (100) can be adjusted by adjusting the relative position of the locking structure and the connecting hole (301).

3. Guard device according to claim 2, characterized in that the moving part (10) is movably arranged in a first predetermined direction, the connection hole (301) being a strip-shaped hole, the extension direction of which is arranged at an angle to the first predetermined direction.

4. Guard means according to claim 2,

the locking structure comprises a bolt and a nut, and a bolt rod of the bolt penetrates through the connecting hole (301) and the lathe bed (100) and then is connected with the nut;

the moving part (10) is movably arranged along a first preset direction, the connecting hole (301) is a strip-shaped hole and extends along the first preset direction, and the width of the connecting hole (301) is larger than the diameter of the bolt rod.

5. Guard according to claim 2, characterized in that the holder (31) is provided with a gripping hole (302) such that a gripping structure (310) is formed between the wall of the gripping hole (302) and the edge of the holder (31) for adjusting the position of the holder (31) by operating the gripping structure (310).

6. Guard device according to claim 5, characterized in that said bracket (31) comprises:

the first connecting plate section (311) and the second connecting plate section (312) are arranged at an included angle, the first connecting plate section (311) is used for being connected with the lathe bed (100), and the second connecting plate section (312) is used for being connected with the fixing part (20);

the holding plate section (313) is connected with the first connecting plate section (311) and the second connecting plate section (312), and the holding plate section (313) is provided with the holding hole (302).

7. Guard according to claim 6, characterised in that the grip plate section (313) is triangularly arranged and the grip hole (302) is triangularly arranged.

8. Guard device according to any one of claims 1 to 7, characterized in that the moving part (10) comprises a moving plate (11) extending in a first predetermined direction, the moving plate (11) being movably arranged in the first predetermined direction; the fixing portion (20) includes:

the baffle (21) is connected with the lathe bed (100) through the adjusting part (30), the baffle (21) extends along a second preset direction, and an included angle is formed between the second preset direction and the first preset direction;

the fixed plate (22), the fixed plate (22) is including being first plate section (221) and second plate section (222) that the contained angle set up, first plate section (221) are followed second predetermined direction extends, first plate section (221) with baffle (21) are connected, second plate section (222) are followed first predetermined direction extends, sealing portion (40) set up on second plate section (222) and be located second plate section (222) with between the movable plate (11).

9. Guard device according to claim 8, characterized in that the fixing plate (22) and the adjusting part (30) are located on both sides of the apron (21), respectively, the adjusting part (30) being located outside the process space (1).

10. Guard device according to claim 1, characterized in that the sealing portion (40) is made of rubber or silicone.

11. A machine tool, comprising:

a bed (100);

a guard (200), the guard (200) being connected to the bed (100), the guard (200) being the guard of any one of claims 1 to 10;

a clamp (300), wherein the clamp (300) is arranged on the fixing part (20) of the protection device (200) and is positioned in the processing space (1), and the clamp (300) is used for clamping a workpiece;

the driving part (400), the driving part (400) sets up on the lathe bed (100) and be located outside machining space (1), driving part (400) with anchor clamps (300) drive connection, in order to pass through driving part (400) drive anchor clamps (300) drive the work piece rotates.

12. The machine tool according to claim 11, characterized in that the bed (100) is an inclined bed;

the moving part (10) of the protection device (200) comprises a first moving part (101) and a second moving part (102) which are connected, the first moving part (101) extends along the inclined direction of the slant bed, and the second moving part (102) extends along the vertical direction;

the fixing part (20) of the protection device (200) comprises a first fixing part (201) and a second fixing part (202) which are connected, the first fixing part (201) extends along the inclined direction of the slant bed, and the second fixing part (202) extends along the vertical direction;

the second connecting plate section (312) of the adjusting part (30) of the guard device (200) comprises a first sub-plate section (314) and a second sub-plate section (315) which are connected, the first sub-plate section (314) extends along the inclined direction of the slant bed, and the second sub-plate section (315) extends along the vertical direction.

Images