CN217727262U - Long rail numerically controlled fraise machine of angle steel processing usefulness - Google Patents

Abstract

The application relates to the technical field of civil air defense door processing equipment, in particular to a long-rail numerical control milling machine for processing angle steel. Long rail numerically controlled fraise machine of angle steel processing usefulness, including numerical control slide device, milling unit and workstation, numerical control slide device includes X axle glide machanism, X axle glide machanism includes lathe bed, saddle, rack, gear and X axle motor, the saddle slides on the lathe bed, X axle motor is installed on the saddle, the gear is installed in the output of X axle motor, the rack is installed on the lathe bed, wheel and rack meshing, milling unit installs on the saddle, and the angle steel is placed on the workstation, and the inside wall of vertical steel sheet and the lower terminal surface of horizontal steel sheet all with the workstation butt, milling unit's milling end butt is in the department of waiting to mill of the band steel that is processed. Through milling of a long rail numerical control milling machine for processing the angle steel, the straightness of the flat steel on the angle steel meets the technical requirement of the civil air defense door protection sealing.

Description

Long rail numerically controlled fraise machine of angle steel processing usefulness

Technical Field

The application relates to the technical field of civil air defense door processing equipment, in particular to a long-rail numerical control milling machine for processing angle steel.

Background

The civil air defense door has the tightness, and chemical toxicants and biological warfare agents can be prevented from entering the interior of a civil air defense project from the mouth of the civil air defense project in wartime. In order to guarantee the leakproofness, the civil air defense door frame is provided with sponge rubber joint strip. Usually, the sponge rubber sealing rubber strip is placed in the rubber strip groove of the civil air defense door frame.

Referring to fig. 1, for a civil air defense door angle steel 1 for installing a sponge rubber sealing rubber strip in the related art, this angle steel 1 mainly includes vertical steel plate 11 and horizontal steel plate 12 and two band steels 13, vertical steel plate 11 sets up with horizontal steel plate 12 is perpendicular, two band steels 13 weld in the outside of horizontal steel plate 12 according to the certain distance, two band steels 13 and angle steel 1 form a rubber strip groove 14, rubber strip groove 14 is used for filling the sponge rubber sealing rubber strip.

However, the straightness of the two flat steels is poor due to thermal deformation generated after the angle steel and the flat steels are welded, the sealing performance of the civil air defense door is poor due to the straightness difference of the two flat steels, and the straightness of the flat steels cannot meet the technical requirement of the civil air defense sealing requirement after being reshaped by the hydraulic reshaping machine due to the fact that the length of the angle steel is long, so that equipment for machining the flat steels on the angle steel is needed.

SUMMERY OF THE UTILITY MODEL

In order to process the flat steel on the angle steel and ensure that the straightness accuracy of the processed flat steel can meet the civil air defense sealing requirement, the application provides a long-rail numerical control milling machine for angle steel processing.

The application provides a long rail numerically controlled fraise machine adopts following technical scheme:

the utility model provides a long rail numerically controlled fraise machine that angle steel processing was used includes numerical control slide device, milling unit and workstation, numerical control slide device includes X axle glide machanism, X axle glide machanism includes the lathe bed, the saddle, the rack, gear and X axle motor, the saddle slides on the lathe bed, X axle motor is installed on the saddle, the gear is installed in the output of X axle motor, the rack is installed on the lathe bed, wheel and rack toothing, milling unit installs on the saddle, the angle steel is placed on the workstation, the inside wall of vertical steel sheet and the lower terminal surface of horizontal steel sheet all with the workstation butt, milling unit's milling end butt is treating milling department at the band steel that is processed.

By adopting the technical scheme, the X-axis motor is arranged on the large carriage, the output end of the X-axis motor is connected with the gear, the gear is meshed with the rack, the gear moves on the rack along with the rotation of the X-axis motor, so that the large carriage is enabled to slide on the lathe bed, the milling device is arranged on the large carriage, and the large carriage slides to enable the milling device to slide. The angle steel is placed on the workbench, and the milling end of the milling device is abutted to the flat steel; the rotation of the X-axis motor causes the large carriage to slide on the lathe bed, the large carriage drives the milling device to move, and the milling device processes the flat steel along the arrangement direction of the lathe bed during the sliding.

Optionally, the numerical control sliding device further comprises a Y-axis sliding mechanism, the Y-axis sliding mechanism comprises a small carriage, a Y-axis slider, a Y-axis motor and a Y-axis screw, the Y-axis motor is mounted on the large carriage, the Y-axis screw is connected to the output end of the Y-axis motor, the Y-axis screw is rotatably connected to the large carriage, and the Y-axis slider is in threaded connection with the Y-axis screw;

the large carriage is provided with a Y groove, the Y groove penetrates through the large carriage, the opening direction of the Y groove is perpendicular to the sliding direction of the large carriage, the Y sliding block slides in the Y groove, the small carriage is fixedly connected to the Y sliding block, and the milling device is connected to the small carriage.

By adopting the technical scheme, the Y-axis motor drives the Y-axis lead screw to rotate, the Y sliding block slides in the Y groove, the Y sliding block slides to promote the small carriage connected on the Y sliding block to slide, and the sliding of the small carriage promotes the milling device connected on the small carriage to slide. On the one hand, the Y groove is arranged in a direction perpendicular to the sliding direction of the large carriage, the milling device can also slide in a direction perpendicular to the sliding direction of the large carriage, on the other hand, the milling device is connected with the small carriage, the small carriage is connected with the Y sliding block, the Y sliding block is in threaded connection with the Y screw rod, the Y screw rod is rotationally connected with the large carriage, and the milling device can also slide in the length direction of the lathe bed along with the large carriage, so that the milling device can slide in the length direction of the lathe bed and can also slide in the direction perpendicular to the length direction of the lathe bed, the Y sliding mechanism is arranged to enlarge the milling range of the milling device, the milling point of the milling device is adjusted by adjusting the position of the milling device in the Y groove, and flat steels on different types of angle steels can be milled.

Optionally, the numerical control sliding device further comprises a Z-axis sliding mechanism, the Z-axis sliding mechanism comprises a Z-axis motor, a Z-axis lead screw, a Z-axis spindle box and a Z slider, one end of the Z-axis spindle box is fixedly connected to the small carriage, the Z-axis motor is installed at the other end of the Z-axis spindle box, the Z-axis lead screw is connected to the output end of the Z-axis motor, the Z-axis lead screw is rotatably connected to the Z-axis spindle box, the Z slider is in threaded connection with the Z-axis lead screw, a Z groove is formed in the Z-axis spindle box in the vertical direction, the Z slider slides in the Z groove, and the Z slider is fixedly connected with the milling device.

Through adopting above-mentioned technical scheme, the Z slider slides in the Z groove along with the rotation of Z axle motor, because milling unit fixed connection in Z slider, the sliding of Z slider and then impels milling unit to slide along the direction in Z groove. Because the Z groove is vertically arranged, the sliding direction of the milling device is vertical. The sliding of the milling device enables the position of the milling end to be adjusted in the vertical direction, so that the milling amount of the milling end to the flat steel is controlled, and the milling device can mill the flat steel with different heights.

Optionally, the large planker includes a large planker main body and a dovetail bar, the dovetail bar is connected to the large planker main body, the arrangement direction of the dovetail bar is perpendicular to the sliding direction of the large planker, the Y groove sequentially penetrates through the dovetail bar and the large planker main body, the small planker is provided with a dovetail groove, the Y slider is fixedly connected to the bottom of the dovetail groove, and the small planker slides on the dovetail bar through the dovetail groove.

Through adopting above-mentioned technical scheme, slide in the Y lead screw along with the Y slider, little layer board slides in forked tail portion through the dovetail, little planker when sliding along the lathe bed direction along the saddle, on the one hand, the cell wall of the dovetail of little planker can with the dovetail butt of saddle, can realize the transmission of power, on the other hand, saddle drives the in-process that slides of little planker, the dovetail supports the groove wall of dovetail, it is more stable in sliding to make little planker, and then make milling unit more accurate to milling of band steel.

Optionally, the carriage further comprises a fixing block and a rolling member, the rolling member is arranged on the fixing block, the fixing block is detachably connected to the carriage main body, and the fixing block slides on the lathe bed through the rolling member.

By adopting the technical scheme, the fixing block can be detachably connected to the large carriage. The fixed block slides on the lathe bed through the rolling piece, so that the connection between the large carriage and the lathe bed is more stable. When the Z-axis sliding mechanism slides to one end of the Y groove close to the Y-axis motor, the weight of the X-axis motor, the Y-axis motor, the gear and the Z-axis sliding mechanism which are connected to the large carriage is concentrated on the side of the large carriage close to the Y-axis motor, so that the large carriage possibly turns on one side and is separated from the lathe bed, the weight of each part connected to the large carriage and whether the connection structure of the large carriage and the lathe bed is stable are comprehensively considered, and whether a fixing part is installed is selected. The fixing piece enables the large carriage to bear heavier X-axis motors, gears, racks, Y-axis sliding mechanisms and Z-axis sliding mechanisms to keep stable, and therefore straightness of the milled flat steel is stable.

Optionally, the rolling member is the ball, and the fixed block has seted up the ball groove of sliding, and the ball slides in the ball inslot that slides, and the cell wall on the both sides in ball groove of sliding is provided with the ball retaining wall, forms the ball mouth of sliding in the middle of two ball retaining walls, and the width that the ball slided the mouth is less than the diameter of ball, and partly exposure of ball slides the mouth outside the ball, and the ball exposes the outer part of ball mouth of sliding and lathe bed butt.

Through adopting above-mentioned technical scheme, fixed block detachably connects in the saddle, the ball groove of sliding has been seted up to the fixed block, and the direction of seting up in ball groove of sliding is the same with the sliding direction of saddle, the ball slides in ball groove, the fixed block slides in the lathe bed through the rolling member, expose ball and lathe bed butt outside the ball slides the mouth, because the roll of the ball in the ball standing groove is all directions, make the saddle of connecting the fixed block more stable when sliding on the lathe bed slide and slide simultaneously and keep smooth and easy.

Optionally, the standing groove has been seted up to the fixed block, can dismantle in the standing groove and be connected with the dog, standing groove and ball sliding groove intercommunication, the width of standing groove is greater than the diameter of ball, and the ball passes through the standing groove to be placed in ball sliding groove.

Through adopting above-mentioned technical scheme, the ball passes through the standing groove and places in the ball sliding groove, also can take out the ball through the standing groove, places and takes out the easy operation of ball and the change of the later stage ball of being convenient for, dog demountable installation is in the standing groove, and the dog prevents that the ball from breaking away from the ball sliding groove through the standing groove and then makes the rolling member more stable.

Optionally, the long-rail numerical control milling machine further comprises a plurality of pressing devices, each pressing device comprises an air cylinder and a pressing plate, the pressing plates are mounted at the output ends of the air cylinders, and the air cylinders push the pressing plates to tightly press and fix the vertical steel plates on the workbench.

Through adopting above-mentioned technical scheme, milling device has certain effort to the band steel at the in-process that mills, and the effort can arouse the angle steel to remove, and then influences the milling precision, and the cylinder promotes the pressure strip and compresses tightly the vertical steel sheet that is fixed in the workstation on with the workstation, prevents to mill the in-process angle steel and removes, avoids the angle steel to remove the influence and mills the precision.

Optionally, the workbench is detachably provided with a baffle plate opposite to the cutting assembly, and the baffle plate is abutted to the horizontal steel plate.

Through adopting above-mentioned technical scheme, demountable installation has the baffle on the relative mesa of workstation and cutting components, and baffle and horizontal steel sheet butt, and the baffle is used for preventing horizontal steel sheet and mills ascending removal of side, avoids the angle steel to remove the influence and mills the precision.

Demountable installation can select to use according to actual conditions, can select horizontal steel sheet both sides all to install the baffle, can select one side installation baffle of horizontal steel sheet, in addition, also can place the position of baffle through the adjustment, makes the both ends of the horizontal steel sheet of different length all can butt the baffle for the angle steel of different length can both be fixed by the baffle on the workstation.

Optionally, a plurality of plate grooves are formed in the table top of the workbench opposite to the cutting assembly, and the baffle is inserted into the plate grooves.

Through adopting above-mentioned technical scheme, the baffle is pegged graft in the board groove, and it is fixed that the baffle passes through the board groove, and this kind of fixed mode is simple effective, and the adjustment baffle position is convenient. In addition, the baffle is inserted in the plate groove, so that the structure is stable, and the angle steel can be effectively prevented from moving in the milling process.

In summary, the present application includes at least one of the following beneficial technical effects:

and (1) the rotation of the X-axis motor promotes the large carriage to slide on the lathe bed, the large carriage drives the milling device to slide, and the milling device performs milling processing on the flat steel placed on the workbench along the arrangement direction of the lathe bed during the sliding.

2. The milling device slides in the Y-shaped groove along with the small carriage, and mills the flat steel on the angle steel in the arrangement direction of the Y-shaped groove; the milling device slides in a Z groove which is vertically formed along with the Z sliding block, and then the milling amount of the flat steel by the milling device is controlled.

3. Through the arrangement of the pressing device, the plate groove on the workbench and the baffle, the angle steel is fastened on the workbench in the milling process, and the milling precision of the milling device is further ensured.

Drawings

FIG. 1 is a schematic structural diagram of a civil air defense door angle steel;

FIG. 2 is a schematic structural diagram of a long rail numerical control milling machine for angle steel processing;

FIG. 3 is a schematic view of the construction of a numerically controlled slide;

FIG. 4 is a schematic view of the structure of the fixed block and the rolling member;

FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic structural view of a Z-axis sliding mechanism;

FIG. 7 is a schematic view of the mounting structure of the pressing device and the worktable;

FIG. 8 is a schematic view of a work table;

description of reference numerals: 1. angle steel; 2. a numerical control sliding device; 3. a milling device; 4. a work table; 5. a pressing device; 11. a vertical steel plate; 12. a horizontal steel plate; 13. flat steel; 14. a rubber strip groove; 21. an X-axis sliding mechanism; 22. a Y-axis sliding mechanism; 23. a Z-axis sliding mechanism; 24. a control panel; 31. milling a motor; 32. a cutter; 41. a plate groove; 42. a baffle plate; 51. a cylinder; 52. a compression plate; 211. a bed body; 212. a large carriage; 213. a rack; 214. a gear; 215. an X-axis motor; 221. a small carriage; 222. a Y slider; 223. a Y-axis motor; 224. a Y-axis lead screw; 231. a Z-axis motor; 232. a Z-axis lead screw; 233. a Z spindle box; 234. a Z slider; 2121. a Y groove; 2122. a large carriage body; 2123. a dovetail strip; 2124. a fixed block; 2125. a rolling member; 2126. a ball sliding groove; 2127. a placement groove; 2128. a stopper; 2211. a dovetail groove; 2331. a Z groove; 21251. a ball bearing; 21261. a ball fixing wall; 21262. the ball slides the mouth.

Detailed Description

The present application is described in further detail below with reference to figures 2-8.

The embodiment of the application discloses long rail numerical control milling machine for processing angle steel 1. Referring to fig. 2 and 3, the long-rail numerical control milling machine for processing the angle steel 1 comprises a numerical control sliding device 2, a milling device 3, a workbench 4 and a pressing device 5, wherein the workbench 4 is used for placing the angle steel 1, the pressing device 5 is used for pressing and fixing a vertical steel plate 11 on the workbench 4, the milling device 3 is installed on the numerical control sliding device 2, the numerical control sliding device 2 controls the milling amount and the milling position of the milling device 3 on a flat steel 13, and the milling device 3 mills the flat steel 13 on a horizontal steel plate 12 on the workbench 4.

The numerical control sliding device 2 comprises an X-axis sliding mechanism 21, a Y-axis sliding mechanism 22 and a Z-axis sliding mechanism 23, wherein the Y-axis sliding mechanism 22 is connected to the X-axis sliding mechanism 21, and the Z-axis sliding mechanism 23 is connected to the Y-axis sliding mechanism 22.

The X-axis sliding mechanism 21 comprises a bed 211, a carriage 212, a rack 213, a gear 214 and an X-axis motor 215, wherein the carriage 212 slides on the bed 211, the X-axis motor 215 is mounted on the carriage 212, the gear 214 is mounted at the output end of the X-axis motor 215, the rack 213 is mounted on the bed 211, the gear 214 is meshed with the rack 213, and the gear 214 moves on the rack 213 along with the rotation of the X-axis motor 215, so that the carriage 212 connected with the X-axis motor 215 slides on the bed 211.

In other embodiments, the rack 213 structure of the gear 214 of the X-axis sliding mechanism 21 may be replaced by a conventional transmission structure such as a lead screw structure.

In other embodiments, the milling device 3 may also be directly connected to the large carriage 212, the milling end of the milling device 3 abuts against the to-be-milled part of the flat steel 13 to be machined, the milling device 3 slides on the machine bed 211 along with the large carriage 212, and the milling device 3 further mills the flat steel 13 on the angle steel 1 along the length direction of the machine bed 211.

The large carriage 212 comprises a main carriage body 2122 and a dovetail bar 2123, the dovetail bar 2123 is connected to the main carriage body 2122, and the arrangement direction of the dovetail bar 2123 is perpendicular to the sliding direction of the large carriage 212; the dovetail bar 2123 is provided with a Y-shaped groove 2121, the opening direction of the Y-shaped groove 2121 is perpendicular to the sliding direction of the large carriage 212, and the Y-shaped groove 2121 sequentially penetrates through the dovetail bar 2123 and the large carriage main body 2122.

The Y sliding mechanism comprises a small carriage 221, a Y sliding block 222, a Y-axis motor 223 and a Y-axis screw rod 224, wherein the Y-axis motor 223 is arranged on a large carriage main body 2122, the Y-axis screw rod 224 is connected to the output end of the Y-axis motor 223, the Y-axis screw rod 224 is rotatably connected to the large carriage main body 2122, and the Y sliding block 222 is in threaded connection with the Y-axis screw rod 224; the small carriage 221 is provided with a dovetail groove 2211, the Y-axis slider 222 is fixedly connected to the bottom of the dovetail groove 2211, the Y-axis motor 223 rotates to drive the Y-axis lead screw 224 to rotate, the Y-axis slider 222 slides in the Y-axis groove 2121, and further the small carriage 221 slides on the dovetail strip 2123 through the dovetail groove 2211.

In other embodiments, the dovetail groove 2211 may be replaced by a T-shaped groove, the dovetail bar 2123 may be replaced by a T-shaped block, and the milling device 3 may also be directly connected and fixed to the small carriage 221, the milling end of the milling device 3 abuts against the place to be milled by the flat steel 13 to be machined, and the milling device 3 mills the flat steel 13 in the length direction of the bed 211 and in the range of the Y-shaped groove 2121.

Referring to fig. 3 and 4, the large carriage 212 further comprises a fixing block 2124 and a roller 2125, the roller 2125 is disposed on the fixing block 2124, and the fixing block 2124 is detachably connected to the large carriage main body 2122. The fixed block 2124 slides on the bed 211 through the rolling element 2125, so that the sliding structure between the carriage 212 and the bed 211 is more stable, and the milling straightness is stable.

Referring to fig. 4 and 5, the rolling element 2125 is a ball 21251, the upper end surface of the fixed block 2124 is provided with a ball sliding groove 2126, the opening direction of the ball sliding groove 2126 is the same as the sliding direction of the large carriage body 2122, the ball 21251 slides in the ball sliding groove 2126, the groove walls at two sides of the ball sliding groove 2126 are provided with ball fixing walls 21261, a ball sliding opening 21262 is formed in the middle of the two ball fixing walls 21261, the width of the ball sliding opening 21262 is smaller than the diameter of the ball 21251, a part of the ball 21251 is exposed out of the ball sliding opening 21262, and the part of the ball 21251 exposed out of the ball sliding opening 21262 is abutted to the bed 211.

The fixing block 2124 is provided with a placing groove 2127, the placing groove 2127 is perpendicular to the ball sliding groove 2126, the placing groove 2127 is communicated with the ball sliding groove 2126, the width of the placing groove 2127 is greater than the diameter of the ball 21251, and the ball 21251 is placed in the ball sliding groove 2126 through the placing groove 2127. In addition, a stopper 2128 is detachably attached to the inside of the mounting groove 2127, and the stopper 2128 prevents the ball 21251 from escaping from the ball sliding groove 2126 through the mounting groove 2127.

In other embodiments, the balls 21251 may be replaced by rollers, and the rollers are rotatably connected to the fixed block 2124, the rotation direction of the rollers is the same as the sliding direction of the carriage 212, and the fixed block 2124 is slid on the bed 211 by the rollers.

Referring to fig. 6, the Z-axis sliding mechanism 23 includes a Z-axis motor 231, a Z-axis screw 232, a Z-axis spindle box 233 and a Z-slider 234, one end of the Z-axis spindle box 233 is fixedly connected to the small carriage 221, the Z-axis motor 231 is mounted at the other end of the Z-axis spindle box 233, the Z-axis screw 232 is connected to the output end of the Z-axis motor 231, the Z-axis screw 232 is rotatably connected to the Z-axis spindle box 233, the Z-slider 234 is screwed to the Z-axis screw 232, the Z-axis spindle box 233 is vertically provided with a Z-groove 2331, the Z-slider 234 slides in the Z-groove 2331, and the Z-slider 234 is fixedly connected to the milling device 3.

In this embodiment, the milling device 3 is fixed on the Z slider 234, the milling device 3 is located above the worktable 4, and the Z-axis motor 231 drives the Z-axis screw 232 to rotate, so as to drive the Z slider 234 to move in the Z slot 2331 in the vertical direction, so as to drive the milling device 3 to move up and down, thereby controlling the milling amount of the milling device 3 on the flat steel 13.

In other embodiments, the screw structure of the Y-axis sliding mechanism 22 and the Z-axis sliding mechanism 23 may be replaced by a conventional transmission structure such as a gear and a rack.

In this embodiment, the milling device 3 includes a milling motor 31 and a milling tool 32, the milling motor 31 is mounted on the Z slider, the milling tool 32 is mounted on the output end of the milling motor 31, and the milling tool 32 is located above the angle iron 1 on the worktable 4.

In this embodiment, the numerical control sliding mechanism further includes a control panel 24, the sliding of the X-axis sliding mechanism 21, the Y-axis sliding mechanism 22 and the Z-axis sliding mechanism 23 is controlled by the control panel 24, and the sequence of the sliding actions of the X-axis sliding mechanism 21, the Y-axis sliding mechanism 22 and the Z-axis sliding mechanism 23 is also controlled by the control panel 24.

Referring to fig. 7, the pressing device 5 includes an air cylinder 51 and a pressing plate 52, the air cylinder 51 is installed on the work table 4, the pressing plate 52 is installed at an output end of the air cylinder 51, and the air cylinder 51 pushes the pressing plate 52 to press and fix the vertical steel plate 11 on the work table 4 to the work table 4. The pressing means 5 are provided in three in the present embodiment.

Referring to fig. 7 and 8, the pressing device 5 in this embodiment may also be optionally not used, and may be fixed by another structure, specifically, a baffle 42 is detachably mounted on the table top of the workbench 4 opposite to the cutting assembly, and the horizontal steel plate 12 on the workbench 4 is fixed between the two baffles 42.

Referring to fig. 7 and 8, plate grooves 41 are formed in the table top of the workbench 4 opposite to the milling device 3, the number of the plate grooves 41 can be selected according to actual needs, the baffles 42 are inserted into the plate grooves 41, the baffles 42 abut against the end portions of the horizontal steel plates 12, and the height of the baffles 42 in the placing grooves 2127 is higher than the height of the horizontal steel plates 12 on the workbench 4 and lower than the height of the surface of the milled flat steel 13.

In other embodiments, the plate groove 41 may not be disposed on the workbench 4, and the baffle 42 may fix the angle iron 1 on the workbench 4 in other fastening manners, for example, the baffle 42 in this embodiment may be connected in a conventional detachable connection manner such as a threaded connection, a buckle, a key connection, and the like; the angle steel 1 may be fixed to the table 4 by the pressing device 5 without providing the plate groove 41 and the baffle 42 on the table 4.

In this embodiment, above-mentioned installation, connection and fixed connection can select for use conventional connected modes such as welded fastening, bolted connection and integrated into one piece according to the reality, and the aforesaid is rotated and is connected can select for use round pin hub connection according to the reality, and conventional connected modes such as bearing connection rotate, and the aforesaid can be dismantled and connect and can select for use conventional connected modes such as bolted fastening according to the reality.

The implementation principle of the long rail numerical control milling machine for processing the angle steel 1 in the embodiment of the application is as follows: the angle steel 1 to be milled is placed on the workbench 4, the position of the baffle plates 42 in the placing groove 2127 is adjusted, the horizontal steel plate 12 is fixed between the two baffle plates 42, the pressing device 5 is started, and the air cylinder 51 pushes the pressing plate 52 to press and fix the vertical steel plate 11 to the side wall of the workbench 4.

The slippage of the X-axis sliding mechanism 21, the Y-axis sliding mechanism 22 and the Z-axis sliding mechanism 23, and the sequence of the actions of the X-axis sliding mechanism 21, the Y-axis sliding mechanism 22 and the Z-axis sliding mechanism 23 are input to the control panel 24. According to the control program in the control panel 24, the X-axis sliding mechanism 21, the Y-axis sliding mechanism 22 and the Z-axis sliding mechanism 23 act in sequence.

In the embodiments of the co-milling of the X-axis sliding mechanism 21, the Y-axis sliding mechanism 22 and the Z-axis sliding mechanism 23, one of them is: firstly, the Y-axis motor 223 rotates to enable the Y slider 222 to slide in the Y slot 2121, the small carriage 221 slides along with the Y slider 222 in the Y slot 2121 direction, and then the Z-axis sliding mechanism 23 connected to the small carriage 221 and the milling device 3 are driven to slide in the Y slot 2121 direction, and the milling position of the milling device 3 in the Y slot 2121 direction is adjusted; then a Z-axis motor 231 is started, the Z-axis motor 231 drives a Z-axis screw rod 232 to rotate, the Z-axis screw rod 232 rotates to drive a Z slider 234 to slide in a Z groove 2331, and the Z slider 234 slides to enable a cutter 32 of the milling device 3 to abut against a part to be milled on the flat steel 13; then an X-axis motor 215 in the X-axis sliding mechanism 21 is started to drive a gear 214 to rotate, the gear 214 is meshed with a rack 213, the gear 214 moves on the rack 213 and drives a carriage 212 to slide on the bed 211, the sliding carriage 212 drives a Y-axis sliding mechanism 22, a Z-axis sliding mechanism 23 and the milling device 3 connected to the carriage 212 to slide along the direction of the bed 211, and along with the sliding of the milling device 3 along the direction of the bed 211, the milling motor 31 is started to drive a cutter 32 to mill the flat steel 13.

If the requirement of straightness cannot be met by one-time milling, the flat steel 13 can be milled in a reciprocating mode by adjusting the milling path and the milling amount controlled in the control panel 24. After the milling of the milling device 3, the plane straightness of the flat steel 13 is 0.15mm/1m, and the technical requirement of the civil air defense door protection sealing is met.

Claims (10)

1. The utility model provides a long rail numerically controlled fraise machine of angle steel (1) processing usefulness which characterized in that: the numerical control sliding device (2) comprises an X-axis sliding mechanism (21), the X-axis sliding mechanism (21) comprises a lathe bed (211), a large carriage (212), a rack (213), a gear (214) and an X-axis motor (215), the large carriage (212) slides on the lathe bed (211), the X-axis motor (215) is installed on the large carriage (212), the gear (214) is installed at the output end of the X-axis motor (215), the rack (213) is installed on the lathe bed (211), the gear (214) is meshed with the rack (213), the milling device (3) is installed on the large carriage (212), angle steel (1) is placed on the workbench (4), the inner side wall of a vertical steel plate (11) and the lower end face of a horizontal steel plate (12) are both abutted to the workbench (4), and the milling end of the milling device (3) is abutted to a to be milled flat steel (13).

2. The long rail numerically controlled fraise machine of claim 1, wherein: the numerical control sliding device (2) further comprises a Y-axis sliding mechanism (22), the Y-axis sliding mechanism (22) comprises a small carriage (221), a Y-axis slider (222), a Y-axis motor (223) and a Y-axis screw rod (224), the Y-axis motor (223) is installed on the large carriage (212), the Y-axis screw rod (224) is connected to the output end of the Y-axis motor (223), the Y-axis screw rod (224) is rotatably connected to the large carriage (212), and the Y-axis slider (222) is in threaded connection with the Y-axis screw rod (224);

the large carriage (212) is provided with a Y-shaped groove (2121), the Y-shaped groove (2121) penetrates through the large carriage (212), the opening direction of the Y-shaped groove (2121) is perpendicular to the sliding direction of the large carriage (212), the Y sliding block (222) slides in the Y-shaped groove (2121), the small carriage (221) is fixedly connected to the Y sliding block (222), and the milling device (3) is connected to the small carriage (221).

3. The long rail numerically controlled fraise machine of claim 2, wherein: the numerical control sliding device (2) further comprises a Z-axis sliding mechanism (23), the Z-axis sliding mechanism (23) comprises a Z-axis motor (231), a Z-axis screw rod (232), a Z spindle box (233) and a Z slider (234), one end of the Z spindle box (233) is fixedly connected to the small carriage (221), the Z-axis motor (231) is installed at the other end of the Z spindle box (233), the Z-axis screw rod (232) is connected to the output end of the Z-axis motor (231), the Z-axis screw rod (232) is rotatably connected to the Z spindle box (233), the Z slider (234) is in threaded connection with the Z-axis screw rod (232), a Z groove (2331) is formed in the Z spindle box (233) in the vertical direction, the Z slider (234) slides in the Z groove (2331), and the Z slider (234) is fixedly connected with the milling device (3).

4. The long rail numerically controlled fraise machine according to claim 3, wherein: the large carriage (212) comprises a large carriage main body (2122) and a dovetail strip (2123), the dovetail strip (2123) is connected to the large carriage main body (2122), the arrangement direction of the dovetail strip (2123) is perpendicular to the sliding direction of the large carriage (212), the Y groove (2121) penetrates through the dovetail strip (2123) and the large carriage main body (2122) in sequence, the small carriage (221) is provided with a dovetail groove (2211), the Y sliding block (222) is fixedly connected to the groove bottom of the dovetail groove (2211), and the small carriage (221) slides on the dovetail strip (2123) through the dovetail groove (2211).

5. The long rail numerically controlled fraise machine of claim 4, wherein: the large carriage (212) further comprises a fixed block (2124) and a rolling element (2125), the rolling element (2125) is arranged on the fixed block (2124), the fixed block (2124) is detachably connected to the large carriage main body (2122), and the fixed block (2124) slides on the machine body (211) through the rolling element (2125).

6. The long rail numerically controlled fraise machine of claim 5, wherein: the rolling piece (2125) is a ball (21251), the fixed block (2124) is provided with a ball sliding groove (2126), the ball (21251) slides in the ball sliding groove (2126), ball fixing walls (21261) are arranged on groove walls on two sides of the ball sliding groove (2126), a ball sliding opening (21262) is formed between the two ball fixing walls (21261), the width of the ball sliding opening (21262) is smaller than the diameter of the ball (21251), one part of the ball (21251) is exposed out of the ball sliding opening (21262), and the part of the ball (21251) exposed out of the ball sliding opening (21262) is abutted to the machine body (211).

7. The long rail numerically controlled fraise machine of claim 6, wherein: the fixed block (2124) is provided with a placing groove (2127), a stop block (2128) is detachably connected in the placing groove (2127), the placing groove (2127) is communicated with the ball sliding groove (2126), the width of the placing groove (2127) is larger than the diameter of the ball (21251), and the ball (21251) is placed in the ball sliding groove (2126) through the placing groove (2127).

8. The long rail numerically controlled fraise machine according to any one of claims 1 to 7, wherein: the long-rail numerical control milling machine further comprises a plurality of pressing devices (5), each pressing device (5) comprises an air cylinder (51) and a pressing plate (52), each pressing plate (52) is installed at the output end of each air cylinder (51), and each air cylinder (51) pushes each pressing plate (52) to tightly press and fix the vertical steel plate (11) on the workbench (4) onto the workbench (4).

9. The long rail numerically controlled fraise machine according to claim 8, wherein: the workbench (4) and the milling device (3) are opposite to each other, a baffle (42) is detachably mounted on the workbench, and the baffle (42) is abutted to the horizontal steel plate (12).

10. The long rail numerically controlled fraise machine of claim 9, wherein: a plurality of plate grooves (41) are formed in the table top of the workbench (4) opposite to the milling device (3), and the baffle plates (42) are inserted into the plate grooves (41).

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