Carriage lubricating structure of three-axis slant bed numerical control machine tool

Abstract

The utility model discloses a dragging plate lubricating structure of a three-axis slant-bed numerical control machine tool, and belongs to the field of slant-bed numerical control machine tools. A three-axis slant bed numerical control machine tool carriage lubricating structure comprises a machine base, a spindle box fixedly connected to the top of the machine base, a transverse guide rail installed on the surface of the machine base, a transmission lead screw installed in the machine base, a carriage which is in threaded connection to the surface of the transmission lead screw and slides relative to the transverse guide rail, and a tool rest installed on the surface of the carriage. The surface of the carriage is fixedly connected with a shaft rod, the surface of the shaft rod is sleeved with an obliquely-placed swing plate, and the two ends of the swing plate extend to the tops of the two transverse guide rails correspondingly. Through the sliding connection of the carriage and the transverse guide rail and the driving of the transmission lead screw, the stable movement of the carriage on the machine tool is realized, meanwhile, the automatic lubrication function is provided for the transverse guide rail by arranging the shaft rod, the swing plate, the wiping pad and other parts on the carriage, and the operation efficiency and the machining precision of the machine tool are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to slant bed numerical control machine tool technical field especially relates to a three -axis slant bed numerical control machine tool drag board lubrication structure. BACKGROUND

[0002] Slant bed numerical control machine tool is a kind of efficient metal cutting machine tool, with many advantages and wide application, slant bed numerical control machine tool is a kind of numerical control machine tool using slant bed design, its bed body is inclined to a certain angle, usually 30 ° to 45 °, to improve the rigidity and stability of machine tool, slant bed design makes machine tool more stable when bearing cutting force, reduces vibration and deformation, improves machining accuracy, using advanced servo drive system and precision guide rail, screw and other transmission components, ensure the high precision and stability of machine tool.

[0003] For example, the patent application number of Chinese patent network is: 202222230881.9, and the patent name is: a slant bed numerical control machine tool, including bed saddle, a pair of slide rails, middle drag board, linear motor and displacement sensor, the bed saddle is inclined to set, two slide rails are respectively arranged on the two sides of the top surface of the bed saddle, the middle drag board is slidably connected by the slide rail and the bed saddle, the bed saddle and the middle drag board form accommodating space, the linear motor is arranged in the accommodating space, and is drivingly connected with the middle drag board, the displacement sensor is used to detect the displacement of the middle drag board relative to the bed saddle. The middle drag board is driven by the linear motor, so that the numerical control feeding precision is high, and the speed is fast, the problem that the response time of traditional slant bed numerical control machine tool is slow and the movement speed is low is solved, and the precision and efficiency of machine tool are greatly improved.

[0004] But the internal drag board of the slant bed numerical control machine tool is connected directly by the way of sliding contact between the drag board and guide rail, in the process of moving the drag board carrying tool holder, dry friction occurs between the drag board and guide rail, and the dry friction limits the cutting speed and feeding speed of the machine tool, because too high speed can cause the friction resistance to increase sharply, thereby exacerbating the wear and heating problem, limiting the performance of machine tool in high-speed cutting and efficient machining. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that the drag board of dry friction in prior art exacerbates wear and heating in the process of moving, and proposes a three -axis slant bed numerical control machine tool drag board lubrication structure.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A three -axis slant bed numerical control machine tool drag board lubrication structure, including machine base;

[0008] Main shaft box fixedly connected at the top of machine base;

[0009] The horizontal guide rail is installed on the surface of the machine base;

[0010] The transmission screw is installed inside the machine base;

[0011] The drag plate is threadedly connected to the surface of the transmission screw and slides with the horizontal guide rail;

[0012] The tool holder is installed on the surface of the drag plate;

[0013] The surface of the drag plate is fixedly connected with a shaft, the surface of the shaft is sleeved with a swing plate which is obliquely placed, the two ends of the swing plate respectively extend to the top of the two horizontal guide rails, one end of the swing plate close to the horizontal guide rail is fixedly connected with a wiping pad, the bottom of the wiping pad can contact with the surface of the horizontal guide rail, one end of the swing plate at the high position is provided with a pressing storage bottle, the inside of the pressing storage bottle stores lubricating oil, the both sides of the top of the swing plate are provided with through holes, the swing plate can guide the lubricating oil to pass through the two through holes in sequence and contact with the wiping pads at the two ends of the swing plate by using the inclined surface, the surface of the drag plate is provided with a transmission structure which can control the swing of the swing plate and control the flow direction of the lubricating oil.

[0014] As a preferred technical solution of the present application, the transmission structure includes an electric telescopic rod fixedly connected to the surface of the drag plate, the surface of the swing plate is fixedly connected with a sleeve plate which surrounds the surface of the shaft, the output end of the electric telescopic rod extends to one side of the sleeve plate and is fixedly connected with a sliding rod located inside the sleeve plate, the sliding rod is slidingly connected with the sleeve plate.

[0015] As a preferred technical solution of the present application, the top of the drag plate is fixedly connected with a limiting plate located obliquely above the pressing storage bottle, the pressing storage bottle can contact with the limiting plate when the swing plate swings and discharge the lubricating oil stored inside by the pressing of the limiting plate.

[0016] As a preferred technical solution of the present application, the front and back surfaces of the swing plate are fixedly connected with side plates, the side plates can limit and guide the lubricating oil.

[0017] As a preferred technical solution of the present application, the top of the side plate is fixedly connected with a limiting tube which surrounds the surface of the pressing storage bottle, the pressing storage bottle is inserted into the inside of the limiting tube and the pressing discharge end of the pressing storage bottle faces downward and contacts with the swing plate.

[0018] As a preferred technical scheme of the present application, the bottom of the swing plate is fixedly connected with an extension plate, the side away from the swing plate of the extension plate extends to the side of the transmission screw rod and is in contact with the surface of the transmission screw rod, the surface of the swing plate is provided with a flow hole at the top of the extension plate, the lubricating oil flowing on the top of the swing plate can flow to the surface of the extension plate through the flow hole and be in contact with the transmission screw rod, and the bottom of the side plate extends to the outside of the extension plate and is fixedly connected with the extension plate.

[0019] Compared with the prior art, the utility model provides a three -axis inclined bed body numerical control machine tool drag board lubrication structure has the following beneficial effects:

[0020] 1、The three -axis inclined bed body numerical control machine tool drag board lubrication structure, through the sliding connection of drag board and horizontal guide rail and the drive of transmission screw rod, realizes the stable movement of drag board on machine tool, simultaneously, through setting up axle rod, swing plate, wiping pad etc.

[0021] 2、The three -axis inclined bed body numerical control machine tool drag board lubrication structure, through the transmission structure of electric telescopic link, sleeve plate, slide rod etc.

[0022] 3、The three -axis inclined bed body numerical control machine tool drag board lubrication structure, through the design of limiting plate makes press storage bottle can be in contact with limiting plate when following swing plate swings, and press -out lubricating oil stored in the inside through the press of limiting plate, not only simplifies the discharge process of lubricating oil, still ensures that the oil can be evenly applied on horizontal guide rail, improves lubricating effect.

[0023] 4、The three -axis inclined bed body numerical control machine tool drag board lubrication structure, through the existence of side plate limits and guides lubricating oil, ensures that the oil can flow according to predetermined path, avoids the waste and pollution of oil, simultaneously, side plate still strengthens the stability of swing plate, improves the reliability and service life of whole lubrication structure.

[0024] 5、The three -axis inclined bed body numerical control machine tool drag board lubrication structure, through the design of limiting tube around press storage bottle surface, not only plays the role of fixed press storage bottle, still ensures that press storage bottle can keep stable posture in the swing process, in addition, the design of limiting tube makes the press discharge end of press storage bottle can be in contact with swing plate all the time, ensures the smooth discharge of oil.

[0025] 6、The three-axis inclined bed numerical control machine tool drag plate lubricating structure, through the design of the extension plate, the swing plate can not only lubricate the transverse guide rail, but also lubricate the transmission screw, through the setting of the flow hole, the lubricating oil on the top of the swing plate can flow smoothly to the surface of the extension plate and contact with the transmission screw, realizing the automatic lubrication of the transmission screw, not only improving the lubrication effect of the machine tool, but also prolonging the service life of the machine tool. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of the utility model;

[0027] Figure 2 It is a rear view structural schematic view of the utility model;

[0028] Figure 3 It is a local structural schematic view of the utility model;

[0029] Figure 4 It is a rear view local structural schematic view of the utility model;

[0030] Figure 5 It is a Figure 1 Enlarged structural schematic view of A place in the middle.

[0031] In the drawing: 1, machine base; 2, main shaft box; 3, transverse guide rail; 4, transmission screw; 5, drag plate; 6, tool holder; 7, shaft rod; 8, swing plate; 9, wiping pad; 10, pressing storage bottle; 11, through hole; 12, transmission structure; 13, electric telescopic rod; 14, cover plate; 15, sliding rod; 16, limiting plate; 17, side plate; 18, limiting tube; 19, extension plate; 20, flow hole. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model. EMBODIMENT

[0033] Referring to Figures 1-5 A three-axis inclined bed numerical control machine tool drag plate lubricating structure, comprising a machine base 1;

[0034] The main shaft box 2 is fixedly connected to the top of the machine base 1;

[0035] The transverse guide rail 3 is installed on the surface of the machine base 1;

[0036] The transmission screw 4 is installed in the machine base 1.

[0037] A drag plate 5 is threadedly connected on the surface of the transmission screw rod 4 and slides with the transverse guide rails 3;

[0038] A tool holder 6 is installed on the surface of the drag plate 5;

[0039] The surface of the drag plate 5 is fixedly connected with a shaft rod 7, the surface of the shaft rod 7 is sleeved with an inclined swing plate 8, both ends of the swing plate 8 extend to the top of the two transverse guide rails 3 respectively, the end of the swing plate 8 close to the transverse guide rail 3 is fixedly connected with a wiping pad 9, the bottom of the wiping pad 9 can contact with the surface of the transverse guide rail 3, the end of the swing plate 8 at high position is provided with a pressing storage bottle 10, the inside of the pressing storage bottle 10 stores lubricating oil, both sides of the top of the swing plate 8 are provided with through holes 11, the swing plate 8 can guide the lubricating oil to flow through the two through holes 11 in turn and contact with the wiping pads 9 at both ends of the swing plate 8 by using the inclined surface, the surface of the drag plate 5 is provided with a transmission structure 12, the transmission structure 12 can control the swing of the swing plate 8 and control the flow direction of the lubricating oil, through the sliding connection of the drag plate 5 with the transverse guide rails 3 and the driving of the transmission screw rod 4, the stable movement of the drag plate 5 on the machine tool is realized, at the same time, through the setting of the shaft rod 7, the swing plate 8, the wiping pad 9 and other components on the drag plate 5, the automatic lubrication function is provided for the transverse guide rail 3, the operation efficiency and the machining precision of the machine tool are improved, the transmission structure 12 includes an electric telescopic rod 13 fixedly connected on the surface of the drag plate 5, the surface of the swing plate 8 is fixedly connected with a sleeve plate 14 surrounding the surface of the shaft rod 7, the output end of the electric telescopic rod 13 extends to one side of the sleeve plate 14 and is fixedly connected with a sliding rod 15 located in the inside of the sleeve plate 14, the sliding rod 15 is in sliding connection with the sleeve plate 14, the top of the drag plate 5 is fixedly connected with a limiting plate 16 located obliquely above the pressing storage bottle 10, the pressing storage bottle 10 can contact with the limiting plate 16 when it swings with the swing plate 8 and discharge the lubricating oil stored in the inside by the pressing of the limiting plate 16, the front and back of the swing plate 8 are fixedly connected with side plates 17, the side plates 17 can limit and guide the lubricating oil, the top of the side plate 17 is fixedly connected with a limiting tube 18 surrounding the surface of the pressing storage bottle 10, the pressing storage bottle 10 is inserted in the inside of the limiting tube 18 and the pressing discharge end of the pressing storage bottle 10 faces downward and contacts with the swing plate 8, the bottom of the swing plate 8 is fixedly connected with an extension plate 19, the side of the extension plate 19 away from the swing plate 8 extends to one side of the transmission screw rod 4 and contacts with the surface of the transmission screw rod 4, the surface of the swing plate 8 is provided with a flow hole 20 located at the top of the extension plate 19, the lubricating oil flowing on the top of the swing plate 8 can flow to the surface of the extension plate 19 through the flow hole 20 and contact with the transmission screw rod 4, the bottom of the side plate 17 extends to the outside of the extension plate 19 and is fixedly connected with the extension plate 19.

[0040] Specifically, the three-axis inclined bed numerical control machine tool drag plate lubricating structure in working / using: the spindle box 2 is fixedly connected at the top of the base 1, used for installing workpiece waiting for cutting, the transverse guide rail 3 is installed on the surface of the base 1, providing sliding track for the drag plate 5, the transmission screw rod 4 is installed inside the base 1, driving the drag plate 5 to slide on the transverse guide rail 3 through threaded connection, the tool holder 6 is installed on the surface of the drag plate 5, used for clamping tool for processing, when the drag plate 5 starts to move, the electric telescopic rod 13 starts to work. The output end of the electric telescopic rod 13 pushes the slide rod 15 to slide in the cover plate 14, thereby driving the swing plate 8 to swing around the shaft rod 7, in the swing process of the swing plate 8, the pressing storage bottle 10 follows the swing, when the pressing storage bottle 10 contacts with the limiting plate 16, the limiting plate 16 presses the pressing storage bottle 10, so that the lubricating oil stored in the pressing storage bottle 10 is discharged, at the same time, the inclined surface of the swing plate 8 guides the lubricating oil, so that the lubricating oil passes through the two through holes 11 in turn and contacts with the wiping pads 9 at both ends of the swing plate 8 respectively, the wiping pads 9 evenly smear the lubricating oil on the surface of the transverse guide rail 3, realizing the lubrication of the guide rail, the front surface and the back surface of the swing plate 8 are fixedly connected with the side plates 17, the side plates 17 limit and guide the lubricating oil, ensuring that the lubricating oil can accurately flow to the wiping pads 9 and the transverse guide rail 3, in addition, the extension plate 19 fixedly connected to the bottom of the swing plate 8 extends to one side of the transmission screw rod 4 and contacts with the surface of the transmission screw rod 4, the lubricating oil flowing on the top of the swing plate 8 can additionally flow to the surface of the extension plate 19 through the flow hole 20 in the flowing process and contact with the transmission screw rod 4, realizing the lubrication of the transmission screw rod 4, with the continuous movement of the drag plate 5, the transmission structure 12 continuously controls the swing of the swing plate 8 and controls the flowing direction of the lubricating oil, the wiping pads 9 continuously smear the lubricating oil on the surfaces of the transverse guide rail 3 and the transmission screw rod 4, realizing the continuous lubrication effect, when the drag plate 5 moves to a certain position, the transmission structure 12 works reversely, so that the swing plate 8 resets, preparing for the next lubrication process.

[0041] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A three-axis inclined bed numerical control machine tool apron lubrication structure, comprising a machine base (1); The main shaft box (2) is fixedly connected to the top of the machine base (1); The transverse guide rail (3) is installed on the surface of the machine base (1); The transmission screw (4) is installed in the machine base (1); The apron (5) is threadedly connected to the surface of the transmission screw (4) and slides with the transverse guide rail (3); The tool holder (6) is installed on the surface of the apron (5); characterized in that The surface of the apron (5) is fixedly connected with a shaft rod (7), the surface of the shaft rod (7) is sleeved with a swing plate (8) inclinedly placed, the two ends of the swing plate (8) extend to the top of the two transverse guide rails (3) respectively, one end of the swing plate (8) close to the transverse guide rail (3) is fixedly connected with a wiping pad (9), the bottom of the wiping pad (9) can contact with the surface of the transverse guide rail (3), one end of the swing plate (8) at a high place is provided with a pressing storage bottle (10), the inside of the pressing storage bottle (10) stores lubricating oil, the top of the swing plate (8) is provided with a through hole (11) on both sides, the swing plate (8) can guide the lubricating oil to flow through the two through holes (11) in turn and contact with the wiping pads (9) at both ends of the swing plate (8) by using the inclined surface, the surface of the apron (5) is provided with a transmission structure (12), the transmission structure (12) can control the swing of the swing plate (8) and control the flow direction of the lubricating oil.

2. The three-axis inclined bed numerical control machine tool pallet lubricating structure according to claim 1, characterized in that, The transmission structure (12) comprises an electric telescopic rod (13) fixedly connected to the surface of the apron (5), the surface of the swing plate (8) is fixedly connected with a sleeve plate (14) wrapped around the surface of the shaft rod (7), the output end of the electric telescopic rod (13) extends to one side of the sleeve plate (14) and is fixedly connected with a sliding rod (15) located in the inside of the sleeve plate (14), the sliding rod (15) is in sliding connection with the sleeve plate (14).

3. The three-axis inclined bed numerical control machine tool pallet lubricating structure according to claim 2, characterized in that, The top of the apron (5) is fixedly connected with a limiting plate (16) located obliquely above the pressing storage bottle (10), the pressing storage bottle (10) can contact with the limiting plate (16) when it swings with the swing plate (8) and discharge the lubricating oil stored in the inside by the pressing of the limiting plate (16).

4. The three-axis inclined bed numerical control machine tool pallet lubricating structure according to claim 3, characterized in that, The front and back surfaces of the swing plate (8) are fixedly connected with side plates (17), the side plates (17) can limit and guide the lubricating oil.

5. The three-axis inclined bed numerical control machine tool pallet lubricating structure according to claim 4, characterized in that, The top of the side plate (17) is fixedly connected with a limiting tube (18) wrapped around the surface of the pressing storage bottle (10), the pressing storage bottle (10) is inserted into the inside of the limiting tube (18) and the pressing discharge end of the pressing storage bottle (10) faces downward and contacts with the swing plate (8).

6. The three-axis inclined bed numerical control machine tool pallet lubricating structure according to claim 4, characterized in that, The bottom of the swing plate (8) is fixedly connected with an extension plate (19), the side away from the swing plate (8) of the extension plate (19) extends to one side of the transmission screw (4) and is in contact with the surface of the transmission screw (4), the surface of the swing plate (8) is provided with a flow hole (20) located at the top of the extension plate (19), the lubricating oil flowing on the top of the swing plate (8) can flow to the surface of the extension plate (19) through the flow hole (20) and be in contact with the transmission screw (4), and the bottom of the side plate (17) extends to the outside of the extension plate (19) and is fixedly connected with the extension plate (19).

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