Protective structure of numerical control machine tool

Abstract

The utility model relates to the technical field of machine tool protection, in particular to a numerically-controlled machine tool protection structure which comprises a numerically-controlled machine tool body, a machine tool sliding door is installed on the front face of the numerically-controlled machine tool body, sliding door rails are fixedly installed at the positions, corresponding to the two ends of the machine tool sliding door, of the numerically-controlled machine tool body, and the two ends of the machine tool sliding door are slidably supported through the sliding door rails. The machine tool sliding door is provided with a sliding door expansion protection assembly, the sliding door expansion protection assembly comprises a first protection plate and a second protection plate, and the first protection plate and the second protection plate are located on the machine tool sliding door and installed towards the back face of the numerical control machine tool body. The two protection plates capable of being pulled open left and right are arranged on the back face of the machine tool sliding door, the protection plates are overlapped with the machine tool sliding door when not used, operation space is not shielded, and additional protection space can be added on the basis of protection of an existing machine tool sliding door after the protection plates are pulled open.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool protection technical field, concretely relates to a numerical control machine tool protection structure. BACKGROUND

[0002] Numerical control machine tool is a kind of automatic machine tool equipped with program control system.The control system can logically process the program with control code or other symbol instruction specification, and its code is translated into code number, and is input into numerical control device by information carrier.Various control signals are sent by numerical control device after operation processing, and the action of machine tool is controlled, and the shape and size required by drawing are automatically machined to process parts.

[0003] When machining parts, numerical control machine tool is rotated at high speed by machining tool head, considering the safety of broken tool or broken material, therefore, protective door and window are arranged in straight face machining area, currently, the protective door and window of part numerical control machine tools are movable, can be moved to middle for protection during machining, and moved to edge to avoid affecting operation during maintenance, greatly facilitate use, but the width of this kind of movable protective door and window generally cannot be made too large considering the size of moving space, can only be protected within the range of tool head when facing numerical control machine tool, and movable protective door and window cannot provide protection if personnel stand at side, therefore, protective space is limited. SUMMARY

[0004] The utility model discloses in order to realize the above-mentioned purpose specifically adopts the following technical scheme:

[0005] A numerical control machine tool protection structure, including numerical control machine tool body, the front of numerical control machine tool body is installed with machine tool sliding door, the both ends position of numerical control machine tool body is fixedly installed with sliding door rail corresponding machine tool sliding door, and the both ends of machine tool sliding door are slidably supported by sliding door rail, sliding door extension protection assembly is installed on the machine tool sliding door, and the sliding door extension protection assembly includes protective plate no. 1 and protective plate no. 2, protective plate no. 1 and protective plate no. 2 are located on the back of machine tool sliding door towards numerical control machine tool body, and the both ends position of machine tool sliding door corresponding protective plate no. 1 and protective plate no. 2 is fixedly installed with guide rail, and one side of guide rail is provided with sliding groove corresponding protective plate no. 1 and protective plate no. 2, and the both ends of protective plate no. 1 and protective plate no. 2 are slidably supported in the sliding groove of corresponding position guide rail.

[0006] Further, the protective plate no. 1 and the protective plate no. 2 are arranged in an arc shape structure with the middle protruding towards the machine tool sliding door and the both ends recessing towards the numerical control machine tool body, and the guide rail and the sliding groove are arranged in an arc shape structure matching the protective plate no. 1 and the protective plate no. 2. The arc shape structure allows the protective plate no. 1 and the protective plate no. 2 to have a larger protection coverage angle after being pulled apart, thereby increasing the protection space.

[0007] Further, the second front side of the guard plate and the first rear side of the guard plate correspond to the position of the upper and lower guide rails are provided with limiting grooves, the limiting grooves on the second guard plate penetrate the left end of the second guard plate, the limiting grooves on the first guard plate penetrate the right end of the first guard plate, the left and right ends of the guide rail are fixedly installed with anti-dropping limiting blocks corresponding to the limiting grooves of the first and second guard plates, and the anti-dropping limiting blocks are limited to the limiting grooves of the first and second guard plates to form limiting sliding support. The limiting grooves are used in combination with the anti-dropping limiting blocks to limit the maximum pulling-out degree of the guard plate, so that falling can be avoided.

[0008] Further, the right end of the first guard plate and the left end of the second guard plate are fixedly installed with handles. The handles facilitate pulling apart the first and second guard plates, and in combination with the one-side anti-dropping limiting of the limiting grooves and the anti-dropping limiting blocks, the first and second guard plates are fixed and limited on both sides, so that they cannot be pulled off.

[0009] Further, the first and second guard plates are installed with buffer nets in the arc-shaped concave surfaces facing the numerical control machine tool body, a plurality of fixed blocks are fixedly installed on the first and second guard plates corresponding to the positions of the buffer nets, and the buffer nets are fixed with the fixed blocks. The buffer nets can capture the colliding tool head or material to avoid rebound or reduce the rebound force.

[0010] Further, the numerical control machine tool body is further installed with an upward pulling protection assembly corresponding to the position of the sliding door track at the bottom of the machine tool sliding door. The upward pulling protection assembly comprises a plurality of strip-shaped plates one and a plurality of strip-shaped plates two, and the strip-shaped plates one and the strip-shaped plates two are arranged in an interlaced and partially overlapped manner. The sliding door expansion protection assembly is used for left and right pulling protection, the upward pulling protection assembly is used for upward pulling protection, and the two can be used together or one can be selected according to specific needs.

[0011] Further, the front surface of the strip-shaped plate one is provided with at least two lifting limiting grooves one, the front surface of the strip-shaped plate two is provided with at least two lifting limiting grooves two, the strip-shaped plate one and the strip-shaped plate two at the top end position of the lifting limiting grooves one and the lifting limiting grooves two are provided with transverse supporting grooves, the transverse supporting grooves are communicated with the lifting limiting grooves one and the lifting limiting grooves two at the corresponding positions, and the back surface of each strip-shaped plate one and strip-shaped plate two is fixedly installed with a T-shaped limiting block corresponding to the positions of the lifting limiting grooves one and the lifting limiting grooves two. The T-shaped limiting block extends into the lifting limiting grooves one and the lifting limiting grooves two at the corresponding positions to limit sliding support. The height of the transverse supporting groove is lower than the top height of the lifting limiting grooves one and the lifting limiting grooves two at the corresponding positions, and the lifting limiting grooves are used in combination with the T-shaped limiting block to form linkage between the plurality of strip-shaped plates one and the strip-shaped plates two, so that they can be lowered and folded, pulled up and unfolded, and use is facilitated.

[0012] Further, the numerical control machine tool body at both ends of the strip-shaped plate one and the strip-shaped plate two is fixedly installed with a limiting frame strip, the strip-shaped plate one and the strip-shaped plate two extend into the limiting frame strip at the corresponding position, and the lowermost strip-shaped plate one or strip-shaped plate two is fixed with the limiting frame strip. The limiting frame strip further increases the fixation of the strip-shaped plate one and the strip-shaped plate two, and is also a non-destructive modification to the existing numerical control machine tool body, and can be directly installed on the existing numerical control machine tool.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model discloses a protective plate which can be pulled apart left and right on the back of the machine door, and the protective plate overlaps the machine door when not in use, and does not block the operation space. When pulled apart, the protective plate can increase the additional protective space on the basis of the existing protective plate of the machine door.

[0015] 2. The protective plate is arc-shaped in the utility model, and a larger protective surface can be obtained when pulled apart, thereby further improving the protective space.

[0016] 3. The utility model discloses a buffer net on the protective plate, which can buffer the colliding tool head or material, and wind around by the mesh feature, avoiding the tool head or material from colliding and rebounding, or reducing the rebounding force.

[0017] 4. The utility model discloses an upper pulling protective assembly which can be used with the protective plate, further increasing the protective space, and the upper pulling protective assembly can also be folded and stored, being convenient to use. DRAWINGS

[0018] Figure 1 is the perspective view of the machine door expansion protective assembly in the utility model;

[0019] Figure 2 is the installation schematic view of the machine door expansion protective assembly in the utility model;

[0020] Figure 3 is the partial sectional view of the guide rail in the utility model;

[0021] Figure 4 is the exploded view of the upper pulling protective assembly in the utility model;

[0022] Figure 5 is the installation schematic view of the upper pulling protective assembly in the utility model;

[0023] Figure 6 is the enlarged view of A in the utility model;

[0024] Figure 7 is the installation schematic view of the strip-shaped plate one and the strip-shaped plate two in the utility model;

[0025] Figure 8It is the perspective view of the numerical control machine body in the utility model.

[0026] The drawings are as follows: 1, numerical control machine body; 11, machine tool sliding door; 12, sliding door rail; 2, sliding door expansion protection assembly; 21, protection plate one; 22, protection plate two; 23, guide rail; 24, sliding groove; 25, limiting groove; 26, anti-dropping limiting block; 27, buffer net; 28, fixed block; 29, handle; 3, upward protection assembly; 31, strip-shaped plate one; 32, strip-shaped plate two; 33, lifting limiting groove one; 34, lifting limiting groove two; 35, transverse bearing groove; 36, T-shaped limiting block; 37, limiting frame strip. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model.

[0028] The application provides a numerical control machine tool protection structure, mainly solves the problem that the moving protection door and window of the existing part of numerical control machine tool has limited protection space, and provides the following technical scheme, which will be described below in combination with Figure 1 - Figure 8 Detailed description:

[0029] A numerical control machine tool protection structure, including numerical control machine body 1, the front of numerical control machine body 1 is installed with machine tool sliding door 11, the both ends of numerical control machine body 1 are fixedly installed with sliding door rail 12 corresponding to machine tool sliding door 11, and the both ends of machine tool sliding door 11 are slidingly supported by sliding door rail 12, which is the type of numerical control machine tool with moving function of protection door and window in the existing part of numerical control machine tool;

[0030] Sliding door expansion protection assembly 2 is installed on machine tool sliding door 11, sliding door expansion protection assembly 2 includes protection plate one 21 and protection plate two 22, protection plate one 21 and protection plate two 22 are located on the back of machine tool sliding door 11 towards numerical control machine body 1, protection plate two 22 is behind, and protection plate one 21 is in front, guide rail 23 is fixedly installed on the both ends of machine tool sliding door 11 corresponding to protection plate one 21 and protection plate two 22, and one side of guide rail 23 is provided with sliding groove 24 corresponding to protection plate one 21 and protection plate two 22, and the both ends of protection plate one 21 and protection plate two 22 extend into sliding groove 24 of guide rail 23 in the corresponding position to form sliding support.

[0031] When in use, the sliding support of the sliding door by the sliding door track 12 is used to move the machine tool sliding door 11 for shielding protection, when the shielding space of the machine tool sliding door 11 is insufficient, the protection plate two 22 and the protection plate one 21 are pulled to the left and right sides of the machine tool sliding door 11 respectively, relying on the structure of the guide rail 23 and the sliding groove 24, the protection plate one 21 and the protection plate two 22 can slide in the sliding groove 24, so that the protection plate one 21 and the protection plate two 22 are unfolded to the left and right sides from behind the machine tool sliding door 11, thereby expanding the shielding space of the machine tool sliding door 11.

[0032] In some embodiments, the protection plate one 21 and the protection plate two 22 are both arranged in an arc shape structure with the middle part protruding to the left and right ends recessing into the numerical control machine tool body 1, the guide rail 23 and the sliding groove 24 are arranged in an arc shape structure matching the structure of the protection plate one 21 and the protection plate two 22, and the right end of the protection plate one 21 and the left end of the protection plate two 22 are both fixedly installed with a handle 29.

[0033] The arc structure has the effect of further expanding the shielding space, and under the same length size, the arc structure has the effect of surrounding the tool head position, covering a larger angle of the tool head, so the covered space area is increased, and when the protection plate one 21 and the protection plate two 22 are pulled, the handle 29 can be pulled to the two sides, which is convenient to operate.

[0034] In some embodiments, the front side of the protection plate two 22 and the rear side of the protection plate one 21 are both provided with a limiting groove 25 corresponding to the position of the upper and lower guide rails 23, the limiting groove 25 on the protection plate two 22 penetrates the left end of the protection plate two 22, the limiting groove 25 on the protection plate one 21 penetrates the right end of the protection plate one 21, the limiting groove 25 and the left end of the protection plate one 21 and the right end of the protection plate two 22 are kept at least three centimeters apart, and the left and right ends of the guide rail 23 are both fixedly installed with an anti-disengagement limiting block 26 corresponding to the position of the limiting groove 25 of the protection plate one 21 and the protection plate two 22, and the anti-disengagement limiting block 26 is abutted into the limiting groove 25 of the protection plate one 21 and the protection plate two 22 to form a limiting sliding support.

[0035] The cooperation of the limiting groove 25 and the anti-disengagement limiting block 26 limits the maximum pull-out length of the protection plate one 21 and the protection plate two 22, and when the anti-disengagement limiting block 26 is abutted to the left end of the limiting groove 25 in the protection plate one 21 and the right end of the limiting groove 25 in the protection plate two 22 respectively, it is blocked and cannot be pulled out any more, thereby avoiding disengagement.

[0036] In some embodiments, a buffer net 27 is installed in the arc-shaped concave surface of the protection plate one 21 and the protection plate two 22 facing the numerical control machine tool body 1, a plurality of fixed blocks 28 are fixedly installed on the protection plate one 21 and the protection plate two 22 corresponding to the position of the buffer net 27, and the buffer net 27 is fixed with the fixed blocks 28.

[0037] When the tool head or material breaks out and collides with the buffer net 27 and the protective plate one 21 or the protective plate two 22, the protective plate one 21 and the protective plate two 22 directly bear the collision first, resist the impact through the strength of the material itself, at this time the tool head or material impact force is greatly weakened, the mesh structure of the buffer net 27 is conducive to winding the tool head or material, thereby avoiding its collision rebound or weakening the rebound force, avoiding the tool head or material rebounding to hurt people or knocking down other components.

[0038] In some embodiments, the upper pull protection assembly 3 is also installed on the door rail 12 position corresponding to the bottom of the machine tool sliding door 11 on the numerical control machine tool body 1, the upper pull protection assembly 3 includes a plurality of strip plates one 31 and a plurality of strip plates two 32, the plurality of strip plates one 31 and the plurality of strip plates two 32 are staggered up and down and partially overlapped front and back, the front surface of each strip plate one 31 is provided with at least two lifting limiting grooves one 33, the front surface of each strip plate two 32 is provided with at least two lifting limiting grooves two 34, the strip plate one 31 and the strip plate two 32 at the top end position of the lifting limiting grooves one 33 and the lifting limiting grooves two 34 are provided with a transverse supporting groove 35, the height of the transverse supporting groove 35 is lower than the top height of the corresponding position of the lifting limiting grooves one 33 and the lifting limiting grooves two 34, the transverse supporting groove 35 is communicated with the corresponding position of the lifting limiting grooves one 33 and the lifting limiting grooves two 34, the transverse supporting grooves 35 on the strip plate one 31 and the strip plate two 32 are opposite to each other, and a T-shaped limiting block 36 is fixedly installed on the back surface of each strip plate one 31 and strip plate two 32 corresponding to the lifting limiting grooves one 33 and the lifting limiting grooves two 34, the T-shaped limiting block 36 extends into the lifting limiting grooves one 33 and the lifting limiting grooves two 34 for limiting sliding support.

[0039] When additional protection is needed, the upper pull protection assembly 3 can be used to provide additional protection space, when in use, the uppermost strip plate one 31 is pulled up first, the T-shaped limiting block 36 is moved in the lifting limiting grooves two 34, the strip plate one 31 is moved up, then the T-shaped limiting block 36 is moved to the transverse supporting groove 35 communicated with the lifting limiting grooves two 34, the T-shaped limiting block 36 is supported in the transverse supporting groove 35, forming an unfolded support for the uppermost strip plate one 31;

[0040] Then the strip plate two 32 below is pulled up, the T-shaped limiting block 36 is also used for support, and so on, all the strip plate one 31 and the strip plate two 32 are lifted and unfolded, and additional protection space can be obtained, and since the transverse supporting grooves 35 on the strip plate one 31 and the strip plate two 32 are opposite to each other, the strip plate one 31 is deviated to the right, and the strip plate two 32 below is deviated to the left, and mutual lateral deviation compensation is performed, when folding, the T-shaped limiting block 36 is moved to the lifting limiting grooves one 33 and the lifting limiting grooves two 34 again, and folding can be performed, without blocking the normal operation space.

[0041] In some embodiments, the numerical control machine tool body 1 at both ends of the strip-shaped plate one 31 and the strip-shaped plate two 32 is fixedly installed with a limiting frame strip 37, the strip-shaped plate one 31 and the strip-shaped plate two 32 at both ends extend into the limiting frame strip 37 at the corresponding position, and the lowermost strip-shaped plate one 31 or strip-shaped plate two 32 is fixed with the limiting frame strip 37.

[0042] The limiting frame strip 37 avoids the lodging of the strip-shaped plate one 31 and the strip-shaped plate two 32 after being unfolded, and provides better fixing stability.

[0043] The above description of disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A numerical control machine tool protection structure, comprising a numerical control machine tool body (1), a machine tool sliding door (11) is installed on the front of the numerical control machine tool body (1), a sliding door rail (12) is fixedly installed on the numerical control machine tool body (1) corresponding to the positions of both ends of the machine tool sliding door (11), and both ends of the machine tool sliding door (11) are slidingly supported through the sliding door rail (12), characterized in that, The machine tool sliding door (11) is provided with a sliding door expansion protection assembly (2), the sliding door expansion protection assembly (2) comprises a protection plate one (21) and a protection plate two (22), the protection plate one (21) and the protection plate two (22) are located on the back of the machine tool sliding door (11) towards the numerical control machine tool body (1), the upper and lower ends of the protection plate one (21) and the protection plate two (22) on the machine tool sliding door (11) are fixedly provided with guide rails (23), one side of the guide rail (23) is provided with a sliding groove (24) corresponding to the protection plate one (21) and the protection plate two (22), and the upper and lower ends of the protection plate one (21) and the protection plate two (22) extend into the sliding groove (24) of the corresponding position guide rail (23) to form sliding support.

2. A protective structure for a numerically controlled machine tool according to claim 1, characterized in that, The protection plate one (21) and the protection plate two (22) are both arc-shaped structures with the middle part protruding towards the machine tool sliding door (11) and the two ends recessing towards the numerical control machine tool body (1), and the guide rail (23) and the sliding groove (24) are arc-shaped structures matched with the protection plate one (21) and the protection plate two (22).

3. A protective structure for a numerically controlled machine tool according to claim 1, characterized in that, The front side of the protection plate two (22) and the rear side of the protection plate one (21) are both provided with a limiting groove (25) corresponding to the upper and lower guide rails (23), the limiting groove (25) on the protection plate two (22) penetrates the left end of the protection plate two (22), the limiting groove (25) on the protection plate one (21) penetrates the right end of the protection plate one (21), and the left and right ends of the guide rail (23) are both fixedly provided with a anti-disengagement limiting block (26) corresponding to the limiting groove (25) of the protection plate one (21) and the protection plate two (22), and the anti-disengagement limiting block (26) is located in the limiting groove (25) of the protection plate one (21) and the protection plate two (22) to form limiting sliding support.

4. A protective structure for a numerically controlled machine tool according to claim 3, characterized in that, The right end of the protection plate one (21) and the left end of the protection plate two (22) are both fixedly provided with a handle (29).

5. A protective structure for a numerically controlled machine tool according to claim 3, wherein The arc-shaped concave surface of the protection plate one (21) and the protection plate two (22) towards the numerical control machine tool body (1) is both provided with a buffer net (27), a plurality of fixed blocks (28) are fixedly provided on the protection plate one (21) and the protection plate two (22) corresponding to the buffer net (27), and the buffer net (27) is fixed with the fixed blocks (28).

6. A protective structure for a numerically controlled machine tool according to any one of claims 1 to 5, characterized in that, The numerical control machine tool body (1) is further provided with an upward pulling protection assembly (3) corresponding to the sliding door rail (12) at the bottom of the machine tool sliding door (11), the upward pulling protection assembly (3) comprises a plurality of strip-shaped plates one (31) and a plurality of strip-shaped plates two (32), and the plurality of strip-shaped plates one (31) and the plurality of strip-shaped plates two (32) are partially overlapped and arranged in an upper and lower staggered manner.

7. A protective structure for a numerically controlled machine tool according to claim 6, characterized in that, The front surface of the strip-shaped plate one (31) is provided with at least two lifting limiting grooves one (33), and the front surface of the strip-shaped plate two (32) is provided with at least two lifting limiting grooves two (34); the strip-shaped plate one (31) and the strip-shaped plate two (32) at the top of the lifting limiting grooves one (33) and the lifting limiting grooves two (34) are provided with transverse bearing grooves (35) which are communicated with the corresponding lifting limiting grooves one (33) and the lifting limiting grooves two (34); the back surface of each strip-shaped plate one (31) and strip-shaped plate two (32) is fixedly provided with a T-shaped limiting block (36) corresponding to the lifting limiting grooves one (33) and the lifting limiting grooves two (34); the T-shaped limiting block (36) extends into the corresponding lifting limiting grooves one (33) and the lifting limiting grooves two (34) to limit the sliding support.

8. A protective structure for a numerically controlled machine tool according to claim 7, characterized in that, The numerical control machine tool body (1) at both ends of the strip-shaped plate one (31) and the strip-shaped plate two (32) is fixedly provided with a limiting frame strip (37); the strip-shaped plate one (31) and the strip-shaped plate two (32) extend into the corresponding limiting frame strip (37); the lowermost strip-shaped plate one (31) or the strip-shaped plate two (32) is fixed with the limiting frame strip (37).

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