Machine tool body and machine tool

Abstract

The utility model provides a machine tool body and a machine tool. The machine tool body comprises a base, a working table arranged on the base, a driving piece for driving the working table to move and a telescopic protective cover connected with the base and the working table. The front portion of the base is provided with a high-position side and a low-position side, and the high-position side and the low-position side both extend in the front-back direction. A chip groove is formed in the low-position side of the base; the workbench comprises a base body and a barrel connected with the base body, and the top face of the base body inclines from the high position side to the chip groove. The telescopic protective cover is arranged on the base in a sliding mode, and the top face of the telescopic protective cover inclines from the high-position side to the chip groove. The inclination angle of the top face of the base body and the inclination angle of the top face of the telescopic protective cover are both matched with the inclination angle from the high-position side to the low-position side. The machine tool body provided by the utility model can improve the compactness of the machine tool.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing equipment technical field especially relates to a machine tool body and machine tool. BACKGROUND

[0002] The existing machine tool will produce swarf when processing workpiece, and generally two swarf grooves are arranged on the machine tool to realize double-side swarf removal through the two swarf grooves, and the swarf removal efficiency is high.

[0003] However, the arrangement of two swarf grooves and the corresponding swarf chain leads to a large space occupied by the swarf removal mechanism, which is not conducive to the development of the compactness of the machine tool.

[0004] Therefore, how to improve the compactness of the machine tool is a problem to be solved. UTILITY MODEL CONTENTS

[0005] The utility model provides a machine tool body and machine tool, can improve the compactness of machine tool.

[0006] The utility model provides a machine tool body, including base, workbench being arranged on the base, drive piece driving workbench moves and telescopic shield being connected with base and workbench, the front part of base has high side and low side, high side and low side all extend along front and back direction, the low side of base is equipped with swarf groove,

[0007] The workbench includes a base body and a cylinder body connected to the base body, and the top surface of the base body is inclined from the high side to the swarf groove.

[0008] The telescopic shield is slidably arranged on the base, and the top surface of the telescopic shield is inclined from the high side to the swarf groove.

[0009] The inclination angle of the top surface of the base body and the inclination angle of the top surface of the telescopic shield are both adapted to the inclination angle from the high side to the low side.

[0010] In some feasible embodiments, the inclination angle of the top surface of the base body and the inclination angle of the top surface of the telescopic shield are between 15° and 45°.

[0011] In some possible implementation, the base further comprises a support and two groups of unpowered rollers; the base is sequentially provided with a cover slide rail and two workbench slide rails between the high side and the low side, the telescopic cover is slidably connected to the cover slide rail at the high side, the cover slide rail is supported above the support, and the telescopic cover adjusts the angle of inclination by changing the height of the support; the two workbench slide rails are used for slidably supporting the workbench, and the workbench slide rail close to the low side is also slidably supported on the part of the telescopic cover close to the low side; the telescopic cover is rollingly connected with the cover slide rail and the workbench slide rail close to the low side through the two groups of unpowered rollers; each group of unpowered rollers at least comprises a first unpowered roller and a second unpowered roller, and the rotation directions of the first unpowered roller and the second unpowered roller are parallel or perpendicular.

[0012] In some possible implementation, the base further comprises a plurality of sliding blocks, the thickness of the base at the high side is higher than the thickness of the base at the low side; the bottom of the base is in the form of a plate, the bottom of the base is slidably connected with the two workbench slide rails through the plurality of sliding blocks, and the bottom of the base is drivingly connected with the driving member through a nut seat, and the nut seat is close to the part of the base with a relatively high thickness.

[0013] In some possible implementation, the width of the rear part of the base along the left-right direction is greater than the width of the front part of the base along the left-right direction.

[0014] The rear part of the base has a column mounting portion extending along the left-right direction, and the column mounting portion comprises a first sub-column mounting portion and a second sub-column mounting portion in a stepped structure.

[0015] The machine tool body further comprises a column slidably connected to the rear part of the base, and the column is provided with a first support portion and a second support portion at the bottom; the structure of the first support portion and the second support portion matches the stepped structure of the rear part of the base.

[0016] In some possible implementation, the machine tool body further comprises a column driving member for driving the column to slide relative to the base, the height of the first support portion is lower than the height of the second support portion, the first support portion is closer to the front part of the base, and the column driving member is closer to the first support portion along the front-rear direction.

[0017] The vertical cross-sectional area of the column close to the front part of the base is greater than the vertical cross-sectional area of the column close to the rear part of the base; and / or

[0018] The machine tool body further comprises a spindle box and a spindle, the spindle box is slidably arranged on the front side of the column, and the spindle is arranged on the spindle box.

[0019] In some possible implementation, the machine tool body further comprises a tool magazine, a tool changing mechanism and a protective door.

[0020] The tool changing mechanism is installed on the high side of the base, and the tool magazine is arranged at a distance from the high side of the base;

[0021] The tool magazine and the tool changing mechanism are used for changing tools for the machine tool body, the protective door is arranged on the base, and the protective door is located between the workbench and the tool magazine and the tool changing mechanism, and is used for shielding chips and cutting fluid for the tool magazine and the tool changing mechanism.

[0022] In some possible implementation solutions, the tool magazine, the tool changing mechanism and the protective door are further included;

[0023] The high side of the base is provided with at least two tool changing mechanism mounting portions for mounting the tool changing mechanism, and the at least two tool changing mechanism mounting portions are arranged at a distance in the front-rear direction, and a chip guide groove is arranged between each adjacent two tool changing mechanism mounting portions;

[0024] The base is provided with a protective door mounting portion in the left-right direction, the protective door mounting portion is located between the tool changing mechanism mounting portion and the protective cover sliding rail, and the protective door mounting portion is used for mounting the protective door;

[0025] The tool changing mechanism comprises a support frame, a mounting frame and a tool changing arm, the support frame is used for supporting the mounting frame and the tool changing arm, the mounting frame is movably provided with the tool changing arm, and the tool changing arm can move relative to the mounting frame in the front-rear direction and rotate about the front-rear direction as the rotation axis.

[0026] In some possible implementation solutions, the tool magazine comprises a support, a main body, a connecting piece, an adjusting assembly and a tool pushing mechanism;

[0027] The support is arranged adjacent to the base;

[0028] The main body is arranged on the support, the main body comprises a plurality of tool storage positions and a tool changing position; and the support is used for supporting the main body;

[0029] The adjusting assembly is arranged between the support and the main body, and is used for adjusting the position of the main body relative to the support in the left-right direction or the front-rear direction;

[0030] The main body is connected to the base through the connecting piece, and the tool pushing mechanism is arranged on the main body and is used for reciprocatingly moving a tool between the tool storage position and the tool changing position.

[0031] The second aspect of the utility model provides a machine tool which comprises the machine tool body, and the machine tool body is externally connected with an outer metal protective cover.

[0032] The machine tool body comprises a base, a workbench arranged on the base, a driving member for driving the workbench to move, and a telescopic shield connecting the base and the workbench; the front part of the base has a high position side and a low position side, and the high position side and the low position side both extend in the front-rear direction; the low position side of the base is provided with a chip removal groove; the workbench comprises a base body and a cylinder body connected with the base body, and the top surface of the base body is inclined from the high position side to the chip removal groove; the telescopic shield is slidably arranged on the base, and the top surface of the telescopic shield is inclined from the high position side to the chip removal groove; wherein the inclination angle of the top surface of the base body and the inclination angle of the top surface of the telescopic shield are both adapted to the inclination angle from the high position side to the low position side, so that the machine tool body can realize one-side chip removal while saving one chip removal structure and reducing the occupied space.

[0033] In addition, the base body and the telescopic shield are both arranged to be inclined, which compensates for the reduction of chip removal efficiency caused by the reduction of one chip removal mechanism, realizes efficient one-side chip removal, and guarantees the cleanliness and tidiness of the inside of the base body through the protection of the telescopic shield. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to the structures shown in these drawings without creative labor for those skilled in the art.

[0035] Figure 1 A partial structure schematic view of the machine tool provided by an embodiment of the present application.

[0036] Figure 2 A structure schematic view of the base provided by an embodiment of the present application.

[0037] Figure 3 A structure schematic view of the workbench provided by an embodiment of the present application.

[0038] Figure 4 A structure schematic view of the telescopic shield provided by an embodiment of the present application.

[0039] Figure 5 A structure schematic view of the base, the tool changing mechanism and the tool magazine provided by an embodiment of the present application.

[0040] Figure 6 A structure schematic view of the adjusting assembly of the tool magazine provided by an embodiment of the present application.

[0041] Figure 7 A structure schematic view of the protection door provided by an embodiment of the present application.

[0042] Figure 8 Fig. 1 is a schematic view of a local structure of the present application. Figure 1 Fig. 2 is a schematic view of a local structure of the present application.

[0043] Element symbol explanation

[0044] 100, base; 101, high side; 102, low side; 110, chip removal groove; 120, tool changer mounting portion; 130, shroud slide rail; 140, worktable slide rail; 150, chip guide groove; 160, slide block; 170, column mounting portion; 171, first sub-column mounting portion; 172, second sub-column mounting portion; 180, safety door mounting portion; 200, worktable; 210, base body; 211, nut seat; 220, cylinder body; 300, driving member; 400, telescopic shroud; 401, transmission end; 410, support; 420, non-powered roller; 421, first non-powered roller; 422, second non-powered roller; 500, tool magazine; 510, support member; 520, main body; 530, connecting member; 540, adjusting assembly; 541, fixing frame; 542, rotating member; 550, tool pushing mechanism; 600, tool changer; 610, support frame; 620, mounting frame; 630, tool changing arm; 640, translating member; 650, rotating member; 700, safety door; 800, column; 810, first support portion; 820, second support portion; 830, column driving member; 900, spindle box; 1000, spindle.

[0045] The realization, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0046] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0047] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0048] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection;Can be direct connection, also can be indirectly connected through intermediate medium.

[0049] For the purpose of making the content of the utility model have more clear and more accurate understanding, now will combine the drawing detailedly explain.The drawing of the specification shows the example of the embodiment of the utility model, wherein, same mark shows same element.It can be understood that the proportion shown in the drawing of the specification is not the proportion of actual implementation of the utility model, it is only for the purpose of illustration, is not according to the original size drawing.

[0050] Please see Figure 1 And 2 The utility model provides a machine tool body, including base 100, workbench 200, driving piece 300, telescopic shield 400.

[0051] Please see Figure 1 、 2 And 8, base 100 has front and rear, and the front of base 100 has high side 101 and low side 102, and high side 101 and low side 102 all extend along front and rear direction;The low side 102 of base 100 is equipped with chip removal groove 110.

[0052] Please see Figure 1 And 3 Workbench 200 is set up on base 100, and in the embodiment, workbench 200 is rotary table, and the machine tool body is four-axis machining center or five-axis machining center.In some other embodiments, workbench 200 can be a casting.The workbench 200 includes base body 210 and cylinder 220 connected with base body 210, and the top surface of base body 210 is inclined from high side 101 to chip removal groove 110.

[0053] Please see Figure 1 Driving piece 300 is used to drive the movement of workbench 200 driving piece 300.In the embodiment, driving piece 300 can include motor, nut and screw rod.

[0054] Please see Figure 1 、 4and 8, a telescopic shield 400 is connected between the base 100 and the worktable 200, the telescopic shield 400 is slidably arranged on the base 100, and the top surface of the telescopic shield 400 is inclined from the high side 101 to the chip groove 110; in this way, when the chips or cutting fluid falls on the top surface of the telescopic shield 400, the chips and the cutting fluid can be moved towards the chip groove 110 through the inclined arrangement of the telescopic shield 400, thereby saving one chip removal mechanism, but the chip removal efficiency is equivalent to that of two chip removal mechanisms.

[0055] It can be understood that, in order to adapt the inclination angles of the base 100, the worktable 200 and the telescopic shield 400, thereby more efficiently achieving one-side chip removal, the inclination angle of the top surface of the base body 210 and the inclination angle of the top surface of the telescopic shield 400 are adapted to the inclination angle from the high side 101 to the low side 102. For example, the inclination angle of the top surface of the base body 210 and the inclination angle of the top surface of the telescopic shield 400 are between 15° and 45°, for example, can be 20°, 30° and 40°, and of course can be other values between 15° and 45°.

[0056] Please refer to Figure 4 In order to facilitate the adjustment of the inclination angle of the telescopic shield 400, the machine tool body further comprises a support 410 for supporting the telescopic shield 400, so that the height of the part of the telescopic shield 400 close to the high side 101 is increased. In this embodiment, the support 410 is frame-shaped, comprising two horizontal and vertically spaced transverse plates, two vertical plates connecting the two transverse plates, and the two vertical plates being spaced apart in the vertical direction. In some other embodiments, the shape of the support 410 can be other shapes and is not limited thereto. The base 100 is sequentially provided with a shield slide rail 130 and two worktable slide rails 140 between the high side 101 and the low side 102, the part of the telescopic shield 400 located at the high side 101 is slidably connected to the shield slide rail 130, the shield slide rail 130 is supported above the support 410, and the telescopic shield 400 adjusts the inclination angle of the telescopic shield 400 by changing the height of the support 410; the two worktable slide rails 140 are used for slidably supporting the worktable 200, and the worktable slide rail 140 close to the low side 102 is also slidably supported on the part of the telescopic shield 400 close to the low side 102, thereby saving one shield slide rail.

[0057] Please refer to Figure 4In order to reduce the abrasion between the telescopic shield 400 and the shield slide rail 130 and the worktable slide rail 140 near the low position side 102 caused by sliding, reduce the friction between the telescopic shield 400 and the shield slide rail 130 and the worktable slide rail 140 near the low position side 102, and improve the service life of the telescopic shield 400, the shield slide rail 130 and the worktable slide rail 140 near the low position side 102, the machine tool body further comprises two groups of unpowered rollers 420; the telescopic shield 400 is connected with the shield slide rail 130 and the worktable slide rail 140 near the low position side 102 through the two groups of unpowered rollers 420; each group of unpowered rollers 420 comprises at least a first unpowered roller 421 and a second unpowered roller 422, the rotation directions of the first unpowered roller 421 and the second unpowered roller 422 are parallel or perpendicular, and the first unpowered roller 421 and the second unpowered roller 422 each comprise a shaft body and a rotating cylinder located at the outer periphery of the shaft body, and the rotating cylinder can rotate relative to the shaft body along the axis of the shaft body.

[0058] Please refer to Figure 1 , 4 and 8, in order to realize the sliding between the worktable 200 and the base 100, and make the driving member 300 drive the worktable 200 to slide along a straight line relative to the base 100, the machine tool body further comprises a plurality of sliding blocks 160, the sliding blocks 160 comprise two groups, and the two groups of sliding blocks 160 are respectively in sliding fit with the two worktable slide rails 140. The thickness of the base body 210 at the high position side 101 part is higher than the thickness at the low position side 102 part; the bottom of the base body 210 is plate-shaped, the bottom of the base body 210 is connected with the two worktable slide rails 140 in sliding manner through the sliding blocks 160, and the bottom of the base body 210 is connected with the driving member 300 in transmission manner through a nut seat 211, the nut seat 211 is close to the part of the base body 210 with higher thickness, because the shape of the base body 210 is irregular, the center of gravity of the worktable 200 is close to the part of the base body 210 with higher thickness, by arranging the nut seat 211 at the part of the base body 210 with higher thickness, the driving member 300 can drive the worktable 200 to slide along the center of gravity of the worktable 200 relative to the base 100, ensure the stable sliding of the worktable 200 along a straight line driven by the driving member 300, and avoid the inclination of the worktable 200 relative to the movement axis.

[0059] In order to increase the stroke of the column 800, and thus improve the machining range of the machine tool body, the width of the rear part of the base 100 in the left-right direction is greater than the width of the front part in the left-right direction.

[0060] Please refer to Figure 1 , 2and 8, the specific connection between the column 800 and the base 100 is described in detail below. The rear part of the base 100 has a column mounting part 170 extending in the left-right direction, which includes a first sub-column mounting part 171 and a second sub-column mounting part 172 in a stepped structure. By setting the column mounting part 170 in a stepped structure, the effect of increasing the support between the column 800 and the base 100 in the front-rear direction can be achieved, thereby improving the stability of the machine tool in processing workpieces.

[0061] Please refer to Figure 1 , 2 and 8, the specific connection between the column 800 and the base 100 is described in detail below. The rear part of the base 100 has a column mounting part 170 extending in the left-right direction, which includes a first sub-column mounting part 171 and a second sub-column mounting part 172 in a stepped structure. By setting the column mounting part 170 in a stepped structure, the effect of increasing the support between the column 800 and the base 100 in the front-rear direction can be achieved, thereby improving the stability of the machine tool in processing workpieces.

[0062] Please refer to Figure 1 , the shape of the column 800 is irregular, which causes the column 800 to be heavier near the front part of the machine tool body and lighter near the rear part of the machine tool body. Therefore, the position of the column driving member 830 is also near the front part of the machine tool body, so that the driving position of the column driving member 830 is located on the center of gravity of the column 800, which can stably drive the column 800 to slide relative to the base 100, and the column driving member 830 can more smoothly drive the column 800 to slide relative to the base 100. Specifically, the vertical cross-sectional area of the column 800 near the front part of the base 100 is larger than the vertical cross-sectional area of the column 800 near the rear part of the base 100. The machine tool body further includes a column driving member 830 for driving the column 800 to slide relative to the base 100. The height of the first support part 810 is lower than the height of the second support part 820, and the first support part 810 is closer to the front part of the base 100. The column driving member 830 is closer to the first support part 810 in the front-rear direction. In this way, the position of the transmission connection between the column driving member 830 and the column 800 coincides with the vertical center of gravity of the column 800, ensuring smooth movement of the column 800 and the base 100 in the left-right direction.

[0063] Please refer to Figure 1 In this embodiment, the machine tool body can be a horizontal machining center, for example, the machine tool body further includes a spindle box 900 and a spindle 1000, the spindle box 900 is slidably arranged on the front side of the column 800, and the spindle 1000 is arranged on the spindle box 900. In some other embodiments, the machine tool body can also be a vertical machining center.

[0064] Please refer toFigure 5 , in order to facilitate the machine tool body by clamping workpiece once, can realize multi-channel different process processing, the machine tool body also includes tool magazine 500, tool changing mechanism 600 and protective door 700; the tool changing mechanism 600 is installed on the high side 101 of the base 100, the tool magazine 500 is spaced apart from the high side 101 of the base 100; the tool magazine 500 and the tool changing mechanism 600 cooperate to change the tool for the machine tool body, so that the workpiece can be conveniently processed in multiple processes.

[0065] Please refer to Figure 2 , 5 , 6 and 7, in order to facilitate the base 100 and the tool magazine 500 and the tool changing mechanism 600 are isolated, the tool magazine 500 and the tool changing mechanism 600 are protected, the protective door 700 is arranged on the base 100, and the protective door 700 is located between the workbench 200 and the tool magazine 500 and the tool changing mechanism 600, for shielding the tool magazine 500 and the tool changing mechanism 600 from chips and cutting fluid, so as to ensure the cleanliness of the tool magazine 500 and the tool changing mechanism 600.

[0066] Please refer to Figure 5 , the specific installation position of the tool magazine 500 and the tool changing mechanism 600 is introduced below, so as to ensure the compactness of the machine tool body design, the machine tool body also includes tool magazine 500, tool changing mechanism 600 and protective door 700; the high side 101 of the base 100 is provided with at least two tool changing mechanism mounting portions 120, the tool changing mechanism mounting portion 120 is used for installing the tool changing mechanism 600, at least two tool changing mechanism mounting portions 120 are spaced apart along the front and rear direction, and a chip guide groove 150 is arranged between every adjacent two tool changing mechanism mounting portions 120; so that the base 100 can realize the assembly of the tool changing mechanism 600 at the same time, and the chips and cutting fluid falling on the chip guide groove 150 can also be guided to the telescopic cover 400 or the workbench 200 through the chip guide groove 150, and finally discharged from the machine tool body through the chip discharge groove 110.

[0067] Please refer to Figure 2, in order to facilitate the installation of the protective door 700 on the base 100, the base 100 is provided with a protective door mounting portion 180 in the left-right direction, the protective door mounting portion 180 is located between the tool changing mechanism mounting portion 120 and the shroud slide rail 130, and the protective door mounting portion 180 is used to install the protective door 700; the tool changing mechanism 600 includes a support frame 610, a mounting frame 620, and a tool changing arm 630, the support frame 610 is used to support the mounting frame 620 and the tool changing arm 630, the mounting frame 620 is movably provided with the tool changing arm 630, and the tool changing arm 630 can move in the front-back direction relative to the mounting frame 620 and rotate about the front-back direction as the rotation axis. For example, a translation member 640 and a rotation member 650 are arranged between the mounting frame 620 and the tool changing arm 630, the translation member 640 drives the rotation member 650 and the tool changing arm 630 to move in the front-back direction relative to the mounting frame 620, and the rotation member 650 drives the tool changing arm 630 to rotate about the front-back direction as the axis.

[0068] Please refer to Figure 5 and 6 , the specific structure of the tool magazine 500 will be described in detail below, the tool magazine 500 includes a support member 510, a main body 520, a connecting member 530, an adjusting assembly 540, and a tool pushing mechanism 550; the support member 510 is arranged adjacent to the base 100; the main body 520 is arranged on the support member 510, and the main body 520 includes a plurality of tool storage positions and a tool changing position; the support member 510 is used to support the main body 520; the adjusting assembly 540 is arranged between the support member 510 and the main body 520, and is used to adjust the position of the main body 520 relative to the support member 510 in the left-right direction or the front-back direction; for example, the adjusting assembly 540 includes a fixed frame 541 and a rotating member 542, the fixed frame 541 is installed on the support member 510, and the rotating member 542 is screwed on the fixed frame 541 in the left-right direction or the front-back direction. The main body 520 is connected to the base 100 through the connecting member 530; the tool pushing mechanism 550 is arranged on the main body 520, and is used to push a tool to move back and forth between the tool storage position and the tool changing position.

[0069] The machine tool body comprises a base 100, a workbench 200 arranged on the base 100, a driving member 300 for driving the workbench 200 to move, and a telescopic shield 400 connecting the base 100 and the workbench 200; the front part of the base 100 has a high side 101 and a low side 102, and the high side 101 and the low side 102 both extend in the front-rear direction; the low side 102 of the base 100 is provided with a chip removal groove 110; the workbench 200 comprises a base body 210 and a cylinder body 220 connected with the base body 210, and the top surface of the base body 210 is inclined from the high side 101 to the chip removal groove 110; the telescopic shield 400 is slidably arranged on the base 100, and the top surface of the telescopic shield 400 is inclined from the high side 101 to the chip removal groove 110; wherein the inclination angle of the top surface of the base body 210 and the inclination angle of the top surface of the telescopic shield 400 are both adapted to the inclination angle from the high side 101 to the low side 102, so that the machine tool body can realize one-side chip removal while saving a chip removal structure and reducing the occupied space.

[0070] In addition, the base body 210 and the telescopic shield 400 are both arranged to be inclined, so that the reduction of the chip removal efficiency caused by the reduction of one chip removal mechanism is compensated, one-side chip removal is realized efficiently, and the telescopic shield 400 is used for protection, so that the inside of the base body 210 is kept clean and tidy.

[0071] The utility model also provides a machine tool, including above-mentioned machine tool body, machine tool body outside connection has outer sheet metal protection.

[0072] Obviously, those skilled in the art can make various modifications and changes to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and changes of the utility model are within the scope of the claims of the utility model and its equivalent technologies, the utility model also intends to include these modifications and changes.

[0073] The above-mentioned is only the preferred embodiment of the utility model, and of course cannot limit the right scope of the utility model, therefore, the equivalent changes made according to the utility model claims still belong to the range covered by the utility model.

Claims

1. A machine tool body, comprising a base (100), a worktable (200) disposed on the base (100), a driving member (300) for moving the worktable (200), and a telescopic cover (400) connecting the base (100) and the worktable (200); characterized in that, The front part of the base (100) has a high side (101) and a low side (102), both of which extend in the front-rear direction; the low side (102) of the base (100) is provided with a chip removal groove (110); The workbench (200) includes a base (210) and a cylinder (220) connected to the base (210), the top surface of the base (210) being inclined from the high side (101) to the chip discharge groove (110); The telescopic cover (400) is slidably mounted on the base (100), and the top surface of the telescopic cover (400) is inclined from the high side (101) to the chip discharge groove (110); The tilt angle of the top surface of the substrate (210) and the tilt angle of the top surface of the telescopic cover (400) are both adapted to the tilt angle from the high side (101) to the low side (102).

2. The machine tool body as described in claim 1, characterized in that, The tilt angle of the top surface of the substrate (210) and the tilt angle of the top surface of the telescopic cover (400) are between 15° and 45°.

3. The machine tool body as described in claim 1, characterized in that, It also includes a bracket (410) and two sets of unpowered rollers (420); the base (100) is provided with a protective cover slide rail (130) and two worktable slide rails (140) between the high side (101) and the low side (102). The telescopic protective cover (400) located on the high side (101) is slidably connected to the protective cover slide rail (130). The protective cover slide rail (130) is supported above the bracket (410). The telescopic protective cover (400) can adjust the tilt angle of the telescopic protective cover (400) by changing the height of the bracket (410); the two worktable slide rails (140) are used to slide and support the worktable (200), wherein the worktable slide rail (140) near the low side (102) is also slidably supported on the part of the telescopic protective cover (400) near the low side (102); The telescopic cover (400) is tumbledly connected to the cover slide rail (130) and the worktable slide rail (140) near the lower side (102) by two sets of unpowered rollers (420); each set of unpowered rollers (420) includes at least a first unpowered roller (421) and a second unpowered roller (422), and the rotation directions of the first unpowered roller (421) and the second unpowered roller (422) are parallel or perpendicular.

4. The machine tool body as described in claim 3, characterized in that, It also includes several sliders (160), the thickness of the high side (101) of the base (210) is higher than the thickness of the low side (102) of the base (210); the bottom of the base (210) is plate-shaped, the bottom of the base (210) is slidably connected to two worktable slide rails (140) through several sliders (160), and the bottom of the base (210) is connected to the drive unit (300) through a nut seat (211), the nut seat (211) is close to the thicker part of the base (210).

5. The machine tool body as described in claim 4, characterized in that, The width of the rear part of the base (100) in the left-right direction is greater than the width of the front part in the left-right direction. The rear of the base (100) has a column mounting portion (170) extending in the left-right direction, the column mounting portion (170) including a first sub-column mounting portion (171) and a second sub-column mounting portion (172) in a stepped structure; The machine tool body also includes a column (800), which is slidably connected to the rear of the base (100). The bottom of the column (800) is provided with a first support part (810) and a second support part (820). The structure of the first support part (810) and the second support part (820) matches the stepped structure of the rear of the base (100).

6. The machine tool body as described in claim 5, characterized in that, It also includes a column drive member (830) for driving the column (800) to slide relative to the base (100), wherein the height of the first support (810) is lower than the height of the second support (820), the first support (810) is closer to the front of the base (100), and the column drive member (830) is closer to the first support (810) in the front-back direction. The vertical cross-sectional area of ​​the column (800) near the front of the base (100) is greater than the vertical cross-sectional area of ​​the column (800) near the rear of the base (100); and / or The machine tool body also includes a spindle box (900) and a spindle (1000). The spindle box (900) is slidably disposed on the front side of the column (800), and the spindle (1000) is disposed on the spindle box (900).

7. The machine tool body according to any one of claims 1-6, characterized in that, It also includes a tool magazine (500), a tool changing mechanism (600), and a protective door (700); The tool changing mechanism (600) is installed on the high side (101) of the base (100), and the tool magazine (500) is spaced apart from the high side (101) of the base (100); The tool magazine (500) and the tool changing mechanism (600) work together to change tools for the machine tool body. The protective door (700) is set on the base (100) and is located between the worktable (200) and the tool magazine (500) and the tool changing mechanism (600) to shield the tool magazine (500) and the tool changing mechanism (600) from chips and cutting fluid.

8. The machine tool body according to any one of claims 3-6, characterized in that, It also includes a tool magazine (500), a tool changing mechanism (600), and a protective door (700); The high side (101) of the base (100) is provided with at least two tool changing mechanism mounting parts (120), the tool changing mechanism mounting parts (120) are used to install the tool changing mechanism (600), at least two tool changing mechanism mounting parts (120) are spaced apart in the front-back direction, and a chip guide groove (150) is provided between each two adjacent tool changing mechanism mounting parts (120); The base (100) is provided with a protective door mounting part (180) in the left and right direction. The protective door mounting part (180) is located between the tool changing mechanism mounting part (120) and the protective cover slide rail (130). The protective door mounting part (180) is used to install the protective door (700). The tool changing mechanism (600) includes a support frame (610), a mounting frame (620), and a tool changing arm (630). The support frame (610) is used to support the mounting frame (620) and the tool changing arm (630). The tool changing arm (630) is movably mounted on the mounting frame (620). The tool changing arm (630) can move relative to the mounting frame (620) in the front-back direction and rotate with the front-back direction as the rotation axis.

9. The machine tool body as described in claim 8, characterized in that, The tool magazine (500) includes a support (510), a main body (520), a connector (530), an adjustment assembly (540), and a tool pushing mechanism (550); The support member (510) is disposed adjacent to the base (100); The main body (520) is disposed on the support member (510), and the main body (520) includes multiple tool storage positions and one tool changing position; the support member (510) is used to support the main body (520); The adjustment component (540) is disposed between the support member (510) and the main body (520) and is used to adjust the position of the main body (520) relative to the support member (510) in the left-right or front-back direction; The main body (520) is connected to the base (100) via a connector (530); the pusher mechanism (550) is disposed on the main body (520) and is used to push a tool to reciprocate between the tool storage position and the tool changing position.

10. A machine tool, characterized in that, The machine tool body includes the machine tool body as described in any one of claims 1-9, wherein the machine tool body is externally connected to an external sheet metal protection.

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