Numerically-controlled machine tool body structure and numerically-controlled machine tool

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a numerical control machine tool bed structure and a numerical control machine tool, the numerical control machine tool bed structure comprises a bed body, the bed body is provided with a slag collecting groove, a groove opening of the slag collecting groove is upward, the bed body is provided with a tool rest beam, and the tool rest beam stretches across the groove opening of the slag collecting groove; a supporting beam is arranged in the slag collecting groove and divides the slag collecting groove into a first slag collecting groove and a second slag collecting groove, the upper end of the supporting beam supports the tool rest beam, the length extending direction of the supporting beam is consistent with the length extending direction of the tool rest beam, and the width of the cross section of the supporting beam is gradually reduced from top to bottom. The weight is light, the slag collecting capacity is high, and the machining efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field especially, relates to a numerical control machine tool bed structure and numerical control machine tool. BACKGROUND

[0002] Numerical control machine tool is the abbreviation of digital control machine tool, is a kind of automatic machine tool equipped with program control system, can better solve the processing problem of complex, precision, small batch, multi-specification parts, is a kind of flexible, high-efficiency automatic machine tool. Among them, machine tool main machine is the main body of numerical control machine tool, it includes bed, base, column, beam, slide, workbench, spindle box, feed mechanism, tool rest and automatic tool changer and other mechanical components, it is the mechanical part that various cutting processes are automatically completed on numerical control machine tool. In the existing numerical control machine tool, as shown in Figures Figure 1 And Figure 2 Bed 1' is mostly relatively heavy, if blindly to bed 1' carry out weight reduction treatment, it can influence the final performance of bed 1', such as stress, rigidity, inherent frequency etc. reach standard etc. The existing bed 1' design is not only heavy, and the material slag generated in the processing of parts is accumulated on the bed, needs to be cleaned frequently, affects processing efficiency.

[0003] Therefore, an urgent need for a numerical control machine tool bed structure and numerical control machine tool to solve the above problems. INVENTION CONTENTS

[0004] Based on the above, the purpose of the utility model is to provide a numerical control machine tool bed structure and numerical control machine tool, lighter, stronger slag collection capacity, higher processing efficiency.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A numerical control machine tool bed structure, including bed body, the bed body is provided with slag collection groove, the slot of the slag collection groove is upward, the bed body is provided with tool rest beam, the tool rest beam spans the slot of the slag collection groove;

[0007] The support beam is arranged in the slag collection groove, the support beam divides the slag collection groove into first slag collection groove and second slag collection groove, the upper end of the support beam supports the tool rest beam, and the length extension direction of the support beam is consistent with the length extension direction of the tool rest beam, the cross-sectional width of the support beam gradually decreases from top to bottom.

[0008] As a preferred scheme of a numerical control machine tool bed structure, the two sides of the tool rest beam are respectively provided with first weight reduction groove;And / or the two sides of the support beam are respectively provided with second weight reduction groove.

[0009] As a preferred scheme of the bed body structure of the numerical control machine tool, the first slag collecting groove and the second slag collecting groove are respectively formed with a first slag outlet and a second slag outlet through a side surface of the bed body body, the first slag collecting groove and the second slag collecting groove are used for collecting the slag formed during processing, and the first slag outlet and the second slag outlet are used for discharging the slag.

[0010] As a preferred scheme of the bed body structure of the numerical control machine tool, the groove bottom of the first slag collecting groove comprises a first material guiding plane and two first reinforcing inclined surfaces located on both sides of the first material guiding plane, and the first reinforcing inclined surfaces are inclined from top to bottom towards the direction close to the first material guiding plane.

[0011] The groove bottom of the second slag collecting groove comprises a second material guiding plane and two second reinforcing inclined surfaces located on both sides of the second material guiding plane, and the second reinforcing inclined surfaces are inclined from top to bottom towards the direction close to the second material guiding plane.

[0012] As a preferred scheme of the bed body structure of the numerical control machine tool, the first material guiding plane is a first trapezoidal inclined surface, the first trapezoidal inclined surface is inclined from top to bottom towards the direction close to the first slag outlet, the narrow end of the first trapezoidal inclined surface is located at the first slag outlet, and the width of the first reinforcing inclined surface decreases in the direction away from the first slag outlet.

[0013] The second material guiding plane is a second trapezoidal inclined surface, the second trapezoidal inclined surface is inclined from top to bottom towards the direction close to the second slag outlet, the narrow end of the second trapezoidal inclined surface is located at the second slag outlet, and the width of the second reinforcing inclined surface decreases in the direction away from the second slag outlet.

[0014] As a preferred scheme of the bed body structure of the numerical control machine tool, the bed body body has two support bodies arranged inwardly along the groove edge of the opposite sides of the slag collecting groove, and the two ends of the tool rest beam are respectively connected to the two support bodies, and at least one third weight reducing groove is formed in the lower surface of each support body.

[0015] As a preferred scheme of the bed body structure of the numerical control machine tool, two first reinforcing ribs are arranged in each third weight reducing groove.

[0016] As a preferred scheme of the bed body structure of the numerical control machine tool, the first slag collecting groove and the second slag collecting groove are mutually symmetrical with respect to the support beam.

[0017] As a preferred scheme of the bed body structure of the numerical control machine tool, a fourth weight reducing groove is formed in the lower end surface of the bed body body, and a plurality of second reinforcing ribs are arranged in the fourth weight reducing groove.

[0018] The numerical control machine tool comprises a tool rest and the numerical control machine tool bed structure.

[0019] The numerical control machine tool bed structure has the advantages that:

[0020] The numerical control machine tool bed structure has the advantages that:

[0021] The numerical control machine tool has the advantages that: the numerical control machine tool bed structure has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art according to the contents of the embodiments of the present application and the drawings without any creative labor.

[0023] Figure 1 is a structure schematic diagram of the numerical control machine tool bed structure provided in the embodiment Figure 1 ;

[0024] Figure 2 is a structure schematic diagram of the numerical control machine tool bed structure provided in the embodiment Figure 2 ;

[0025] Figure 3 is a structure schematic diagram of the numerical control machine tool bed structure provided in the embodiment Figure 1 ;

[0026] Figure 4 is a structure schematic diagram of the numerical control machine tool bed structure provided in the embodiment Figure 2 ;

[0027] Figure 5is a top view of the numerical control machine tool body structure provided by the embodiment;

[0028] Figure 6 is Figure 5 is a sectional view under the A-A cross-sectional perspective in the embodiment;

[0029] Figure 7 is a structure schematic view of the numerical control machine tool body structure provided by the embodiment in Figure 5

[0030] Figure 8 is a side view of the numerical control machine tool body structure provided by the embodiment;

[0031] Figure 9 is Figure 8 is a sectional view under the B-B cross-sectional perspective in the embodiment.

[0032] in the figure:

[0033] 1', bed body;

[0034] 1, bed body; 2, tool rest beam; 3, support beam; 4, support body; 5, guide rail; 6, bevel edge; 7, reinforcing plate; 8, mounting boss;

[0035] 10, first slag collecting groove; 100, first slag outlet; 101, first material guiding plane; 102, first reinforcing bevel; 20, second slag collecting groove; 200, second slag outlet; 201, second material guiding plane; 202, second reinforcing bevel; 30, first weight reducing groove; 40, second weight reducing groove; 50, third weight reducing groove; 501, first reinforcing rib; 60, fourth weight reducing groove; 601, second reinforcing rib; 70, avoiding groove; 700, connecting hole. DETAILED DESCRIPTION

[0036] The utility model will be further explained in detail below by combining with the drawings and embodiments. It can be understood that the specific embodiments described here are only used to explain the utility model, and not limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0037] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0038] ​In the present utility model, unless otherwise expressly provided and limited, the first feature is "on" or "under" the second feature, which can include direct contact of the first and second features, or indirect contact of the first and second features through another feature therebetween. Moreover, the first feature "on", "above" and "on top of" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "underneath" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0039] In the description of the present embodiment, the terms "upper", "lower", "left", "right" and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise stated, the meaning of "a plurality of" is two or more. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0040] As shown in Figures 3 to 9 The present embodiment provides a numerical control machine tool bed structure, which comprises a bed body 1, as shown in Figure 3 The width direction of the bed body 1 is defined as the Y direction, the length direction is defined as the X direction, and the height direction is defined as the Z direction. A slag collecting groove is formed on the bed body 1, and the groove opening of the slag collecting groove is upward. The groove opening upward means that the slag collecting groove penetrates to the upper end surface of the bed body 1 to form a groove opening, and the upper end surface of the bed body 1 means the end surface of the bed body 1 away from the ground when the bed body 1 is placed on the ground, that is, the working surface. A tool holder beam 2 is arranged on the bed body 1, and the tool holder beam 2 spans the groove opening of the slag collecting groove. The groove opening can be rectangular, and the tool holder beam 2 is preferably arranged in the middle of the rectangular groove opening in the width direction of the bed body 1. In the present embodiment, two guide rails 5 are arranged on the bed body 1 and spaced apart from each other, the guide rails 5 extend in the width direction of the bed body 1, the guide rails 5 are used to install the spindle box, and the slag collecting groove is located between the two guide rails 5; the tool holder beam 2 is used to arrange a tool holder, and the tool holder is used to install a milling cutter. The arrangement of the slag collecting groove not only greatly reduces the weight of the bed body 1 while ensuring the mechanical properties and structural strength of the numerical control machine tool bed structure, but also allows the slag generated during the machining of the part by the milling cutter to directly fall into the slag collecting groove, avoiding the influence of excessive accumulated slag on the machining, and reducing the cleaning frequency of the slag and improving the machining efficiency.

[0041] Preferably, each guide rail 5 is arranged on the lathe body 1 through a mounting seat, one side edge of the mounting seat is flush with one edge of the groove of the slag collecting groove, and the edge of the groove flush with the mounting seat is provided with a bevel 6 extending inward, and the bevel 6 is inclined downward in the direction close to the inside of the groove. The arrangement of the bevel 6 enables the slag splashed on the bevel 6 to fall into the slag collecting groove along the bevel 6, thereby reducing the cleaning work.

[0042] Preferably, as shown in Figure 3 and Figure 7 , the two side surfaces of the tool holder beam 2 are respectively provided with a first weight-reducing groove 30, further reducing the overall weight of the lathe bed structure. More preferably, a plurality of first weight-reducing grooves 30 are arranged on each side surface of the tool holder beam 2 along the length direction, and the plurality of first weight-reducing grooves 30 are uniformly distributed, so that the stress distribution of the tool holder beam 2 is more uniform, and the structural stability is better. Under the above structure, that is, the tool holder beam 2 reinforcing ribs are formed between every two first weight-reducing grooves 30, to ensure the structural strength of the tool holder beam 2. Among them, the first weight-reducing groove 30 can be but is not limited to rectangular. Of course, in other embodiments, each side surface of the tool holder beam 2 can be provided with one first weight-reducing groove 30, and a plurality of tool holder beam 2 reinforcing ribs are arranged in the first weight-reducing groove 30, and the plurality of tool holder beam 2 reinforcing ribs can be arranged in parallel at intervals or staggered.

[0043] Specifically, as shown in Figure 5 and Figure 9 , the lathe body 1 has two support bodies 4 arranged inward along the opposite two side edges of the groove of the slag collecting groove, and the two ends of the tool holder beam 2 are respectively connected to the two support bodies 4, and the lower surface of each support body 4 is provided with at least one third weight-reducing groove 50. That is, each support body 4 is located between two mounting seats, and the support body 4 provides sufficient support force and support surface for the tool holder beam 2, so that the stability of the tool holder beam 2 is better. Among them, the lower surface of the support body 4 is provided with the third weight-reducing groove 50, that is, the surface of the support body 4 facing the bottom of the slag collecting groove is provided with the third weight-reducing groove 50, further reducing the weight of the lathe body 1.

[0044] Preferably, two first reinforcing ribs 501 arranged in cross are arranged in each third weight-reducing groove 50, to strengthen the structural strength of the support body 4 and ensure the structural strength of the lathe body 1. Of course, in other embodiments, a plurality of first reinforcing ribs 501 arranged in waves or in parallel can also be arranged in the third weight-reducing groove 50, and the specific distribution mode and quantity are not limited herein.

[0045] In the present embodiment, as shown in Figure 3 , Figures 5 to 7As shown, the slag collecting groove is provided with a support beam 3, which divides the slag collecting groove into a first slag collecting groove 10 and a second slag collecting groove 20. The upper end of the support beam 3 supports the tool holder beam 2, specifically supports the lower surface of the tool holder beam 2 and the lower surface of the two support bodies 4. The length extension direction of the support beam 3 is consistent with the length extension direction of the tool holder beam 2, and the cross-sectional width of the support beam 3 gradually decreases from top to bottom. The support beam 3 strengthens the structural stability of the tool holder beam 2 and the support body 4, avoids the tool holder beam 2 from shaking during machining of the part, and ensures machining precision and reliability. At the same time, the support beam 3 has a structure of being wide at the top and narrow at the bottom, which not only further reduces the weight of the machine bed body 1, but also strengthens the support stability of the tool holder beam 2, so that the structural stability of the numerical control machine tool bed structure is better.

[0046] It should be noted that the support body 4, the tool holder beam 2, and the support beam 3 can be an integral structure or a split structure, which is not limited here and is set according to actual needs.

[0047] Preferably, the first slag collecting groove 10 and the second slag collecting groove 20 are mutually symmetrical relative to the support beam 3, so that the stress uniformity of the numerical control machine tool bed structure is better, the structural stability is better, and the machining stability and reliability are improved.

[0048] Preferably, the two side surfaces of the support beam 3 are respectively provided with a second weight-reducing groove 40, which further reduces the overall weight of the numerical control machine tool bed structure. More preferably, a plurality of second weight-reducing grooves 40 are arranged on each side surface of the support beam 3 along the length direction thereof, and the plurality of second weight-reducing grooves 40 are uniformly distributed, so that the stress distribution of the support beam 3 is more uniform and the structural stability is better. Under the above structure, a support beam 3 reinforcing rib is formed between every two second weight-reducing grooves 40 to ensure the structural strength of the support beam 3. The second weight-reducing groove 40 can be rectangular, but is not limited thereto. Of course, in other embodiments, each side surface of the support beam 3 can be provided with one second weight-reducing groove 40, and a plurality of support beam 3 reinforcing ribs are arranged in the second weight-reducing groove 40, which can be arranged in parallel or staggered.

[0049] Specifically, the first slag collecting groove 10 and the second slag collecting groove 20 are respectively formed with a first slag outlet 100 and a second slag outlet 200 through a side surface of the lathe body 1, the first slag collecting groove 10 and the second slag collecting groove 20 are used for collecting the slag formed during machining, and the first slag outlet 100 and the second slag outlet 200 are used for discharging the slag. Preferably, the first slag outlet 100 and the second slag outlet 200 are located at the same side of the lathe body 1, which facilitates the cleaning of the slag and improves the structural aesthetics and strength of the lathe body 1. The provision of the first slag outlet 100 and the second slag outlet 200 facilitates the convenience and efficiency of cleaning the slag, and the cleaning of the slag can be completed by the worker from the side of the lathe body 1, for example, the worker can clean the slag while sitting, thereby saving physical strength.

[0050] In the present embodiment, the groove bottom of the first slag collecting groove 10 comprises a first material guiding plane 101 and two first reinforcing inclined surfaces 102 located on both sides of the first material guiding plane 101, the first reinforcing inclined surfaces 102 are inclined from top to bottom towards the direction close to the first material guiding plane 101; the groove bottom of the second slag collecting groove 20 comprises a second material guiding plane 201 and two second reinforcing inclined surfaces 202 located on both sides of the second material guiding plane 201, the second reinforcing inclined surfaces 202 are inclined from top to bottom towards the direction close to the second material guiding plane 201. The first reinforcing inclined surfaces 102 and the second reinforcing inclined surfaces 202 arranged in an inclined manner can improve the structural stability of the support beam 3 and avoid the accumulation of the slag at the corners of the groove wall and the groove bottom of the first slag collecting groove 10 and the second slag collecting groove 20.

[0051] Preferably, the first material guiding plane 101 is a first trapezoidal inclined surface, the first trapezoidal inclined surface is inclined from top to bottom towards the direction close to the first slag outlet 100, the narrow end of the first trapezoidal inclined surface is located at the first slag outlet 100, and the width of the first reinforcing inclined surface 102 decreases in the direction away from the first slag outlet 100; the second material guiding plane 201 is a second trapezoidal inclined surface, the second trapezoidal inclined surface is inclined from top to bottom towards the direction close to the second slag outlet 200, the narrow end of the second trapezoidal inclined surface is located at the second slag outlet 200, and the width of the second reinforcing inclined surface 202 decreases in the direction away from the second slag outlet 200. The slag falling along the first reinforcing inclined surface 102 and the second reinforcing inclined surface 202 is respectively accumulated on the first trapezoidal inclined surface and the second trapezoidal inclined surface, and slides along the inclined first trapezoidal inclined surface and the second trapezoidal inclined surface to the first slag outlet 100 and the second slag outlet 200, respectively, thereby avoiding the accumulation of the slag away from the first slag outlet 100 and the second slag outlet 200, and making it easier for the worker to clean the slag.

[0052] Further, as shown in FIG. 1, the lathe body 1 comprises a first support beam 3 and a second support beam 4, the first support beam 3 and the second support beam 4 are arranged in parallel and are connected to the lathe body 1 through the first connecting plate 5 and the second connecting plate 6, respectively, and the first connecting plate 5 and the second connecting plate 6 are arranged in parallel and are connected to the lathe body 1 through the first connecting rod 7 and the second connecting rod 8, respectively. Figure 4As shown, the lower end surface of the bed body 1 is provided with a fourth lightening groove 60, and a plurality of second reinforcing ribs 601 are arranged in the fourth lightening groove 60. The overall weight of the numerical control machine tool bed structure is further reduced, and the overall structural strength and stability of the numerical control machine tool bed structure are ensured through the plurality of second reinforcing ribs 601 arranged in a staggered manner. Of course, in other embodiments, the lower end surface of the bed body 1 is provided with a plurality of fifth lightening grooves uniformly distributed, and the groove walls between every two adjacent fifth lightening grooves form the second reinforcing ribs 601.

[0053] Optionally, a plurality of lightening holes are arranged at other positions of the bed body 1, and third reinforcing ribs are arranged in the lightening holes, so as to reduce the overall weight of the numerical control machine tool bed structure and ensure the overall structural strength and stability of the numerical control machine tool bed structure.

[0054] Further, the side edge of the bed body 1 is recessed with an avoiding groove 70, and a connecting hole 700 is formed in the groove wall of the avoiding groove 70 close to the ground, and the connecting hole 700 is used to connect the foundation bolt to fix the bed body 1 to the ground. Exemplarily, the fourth lightening groove 60 is a U-shaped groove, that is, the fourth lightening groove 60 penetrates from the front and back sides of the bed body 1. It should be noted that the front and back sides of the bed body 1 refer to the two sides in the width direction of the bed body 1, and at least one avoiding groove 70 is arranged on each of the left and right sides of the bed body 1, and two avoiding grooves 70 are arranged on each of the front and back sides and located on both sides of the fourth lightening groove 60. Of course, in other embodiments, the number and distribution position of the avoiding grooves 70 can also be other.

[0055] In order to further improve the stability of the numerical control machine tool bed structure, a mounting boss 8 is arranged in the fourth lightening groove 60, the side surface of the mounting boss 8 is provided with an avoiding groove 70, and a connecting hole 700 is formed in the groove wall of the avoiding groove 70 close to the ground, and the connecting hole 700 is used to connect the foundation bolt to fix the bed body 1 to the ground. By arranging the avoiding groove 70 in the fourth lightening groove 60, the overall distribution of the foundation bolt is more uniform, and the support stability of the bed body 1 is better. The position and number of the mounting boss 8 are not limited here, and can be set according to actual needs. For example, two mounting bosses 8 are arranged in the fourth lightening groove 60 and are distributed in the width direction of the bed body 1, and the outer side surface of one of the mounting bosses 8 is flush with the side surface of the bed body 1. Preferably, two reinforcing plates 7 are arranged in the fourth lightening groove 60 and are spaced apart in the width direction of the bed body 1, one mounting boss 8 is protrudingly arranged on one side of each reinforcing plate 7, and the mounting boss 8 and the reinforcing plate 7 are an integral structure. The outer side surface of one of the reinforcing plates 7 is flush with one side surface of the bed body 1, and preferably is flush with the side surface of the bed body 1 away from the first slag outlet 100 and the second slag outlet 200. The reinforcing plate 7 further improves the structural stability and reliability, so that the numerical control machine tool bed structure has better stability during use and ensures the machining precision.

[0056] The numerical control machine tool bed structure provided in the embodiment is reduced by 8% compared with the machine tool bed structure shown in the prior art, for example Figure 1 The numerical control machine tool bed structure provided in the embodiment is reduced by 8% compared with the machine tool bed structure shown in the prior art, for example

[0057] The numerical control machine tool bed structure provided in the embodiment is reduced by 8% compared with the machine tool bed structure shown in the prior art, for example

[0058] Note that the above is only a preferred embodiment of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and that various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the scope of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A numerically controlled machine tool bed structure, characterized by, The bed body body is provided with a slag collecting groove, and the mouth of the slag collecting groove is upward, and the bed body body is provided with a tool rest beam which spans the mouth of the slag collecting groove. The support beam is arranged in the slag collecting groove, and the support beam divides the slag collecting groove into a first slag collecting groove and a second slag collecting groove, the upper end of the support beam supports the tool rest beam, and the length extension direction of the support beam is consistent with the length extension direction of the tool rest beam, and the cross-sectional width of the support beam gradually decreases from top to bottom.

2. The CNC machine tool bed structure according to claim 1, characterized in that, The two sides of the tool rest beam are respectively provided with a first weight reduction groove, and / or the two sides of the support beam are respectively provided with a second weight reduction groove.

3. The CNC machine tool bed structure according to claim 1, wherein, The first slag collecting groove and the second slag collecting groove are both provided with a first slag outlet and a second slag outlet which are formed in the side surface of the bed body body, the first slag collecting groove and the second slag collecting groove are used for collecting the slag formed during processing, and the first slag outlet and the second slag outlet are used for discharging the slag.

4. The CNC machine tool bed structure according to claim 3, characterized in that, The bottom of the first slag collecting groove comprises a first material guiding plane and two first reinforcing inclined surfaces which are located on both sides of the first material guiding plane, and the first reinforcing inclined surfaces are inclined from top to bottom towards the direction close to the first material guiding plane. The bottom of the second slag collecting groove comprises a second material guiding plane and two second reinforcing inclined surfaces which are located on both sides of the second material guiding plane, and the second reinforcing inclined surfaces are inclined from top to bottom towards the direction close to the second material guiding plane.

5. The CNC machine tool bed structure according to claim 4, characterized in that, The first material guiding plane is a first trapezoidal inclined surface which is inclined from top to bottom towards the direction close to the first slag outlet, and the narrow end of the first trapezoidal inclined surface is located at the first slag outlet, and the width of the first reinforcing inclined surface decreases in the direction away from the first slag outlet. The second material guiding plane is a second trapezoidal inclined surface which is inclined from top to bottom towards the direction close to the second slag outlet, and the narrow end of the second trapezoidal inclined surface is located at the second slag outlet, and the width of the second reinforcing inclined surface decreases in the direction away from the second slag outlet.

6. The CNC machine tool bed structure according to claim 1, wherein, The bed body body is provided with two support bodies which are arranged inwardly along the opposite side edges of the slag collecting groove, and the two ends of the tool rest beam are respectively connected to the two support bodies, and the lower surface of each support body is provided with at least one third weight reduction groove.

7. The CNC machine tool bed structure according to claim 6, characterized in that, Two first reinforcing ribs which are arranged in cross are arranged in each third weight reduction groove.

8. A CNC machine tool bed structure according to any one of claims 1 to 7, characterised in that, The first slag collecting groove and the second slag collecting groove are mutually symmetrical with respect to the support beam.

9. A CNC machine tool bed structure according to any one of claims 1 to 7, characterised in that, The lower end surface of the bed body body is provided with a fourth weight reduction groove, and a plurality of second reinforcing ribs which are arranged in cross are arranged in the fourth weight reduction groove.

10. A numerically controlled machine tool, characterized by comprising: The tool rest beam is connected to the tool rest beam.

Images