阅读说明：本技术 便携式铣床 (Portable milling machine ) 是由 李壬栋 韩金彪 韩振江 杜朝阳 陈增培 于 2021-07-27 设计创作，主要内容包括：本发明公开了一种便携式铣床,包括底座、固定装置、第一滑动座、第一直线驱动器、第二滑动座、第二直线驱动器、第三滑动座、第三直线驱动器和铣削电机；底座通过固定装置固定于被加工部件上,底座上沿X轴设置有第一导轨,第一滑动座滑动安装于第一导轨,第一直线驱动器用于驱动第一滑动座沿第一导轨滑动,第一滑动座上沿Y轴设置有第二导轨,第二滑动座滑动安装于第二导轨,第二直线驱动器用于驱动第二滑动座沿第二导轨滑动,第三滑动座沿Z轴滑动安装第二滑动座的侧端,第三直线驱动器用于驱动第三滑动座沿Z轴滑动,铣削电机固定安装于第三滑动座,铣削电机的输出端固定安装有铣刀。本发明便于对大型设备上的不易拆卸部件进行铣削加工。(The invention discloses a portable milling machine which comprises a base, a fixing device, a first sliding seat, a first linear driver, a second sliding seat, a second linear driver, a third sliding seat, a third linear driver and a milling motor, wherein the first linear driver is arranged on the base; the base is fixed on a machined part through a fixing device, a first guide rail is arranged on the base along an X axis, a first sliding seat is slidably mounted on the first guide rail, a first linear driver is used for driving the first sliding seat to slide along the first guide rail, a second guide rail is arranged on the first sliding seat along a Y axis, a second sliding seat is slidably mounted on the second guide rail, a second linear driver is used for driving the second sliding seat to slide along the second guide rail, a third sliding seat is used for slidably mounting the side end of the second sliding seat along the Z axis, a third linear driver is used for driving the third sliding seat to slide along the Z axis, a milling motor is fixedly mounted on the third sliding seat, and a milling cutter is fixedly mounted at the output end of the milling motor. The milling device is convenient for milling parts which are not easy to disassemble on large-scale equipment.)

1. A portable milling machine is characterized in that: the milling machine comprises a base, a fixing device, a first sliding seat, a first linear driver, a second sliding seat, a second linear driver, a third sliding seat, a third linear driver and a milling motor; the base is fixed in on the machined part through fixing device, be provided with first guide rail along the X axle direction on the base, first sliding seat slidable mounting in first guide rail, first linear actuator is used for driving first sliding seat and slides along first guide rail, be provided with the second guide rail along the Y axle direction on the first sliding seat, second sliding seat slidable mounting in the second guide rail, second linear actuator is used for driving the second sliding seat and slides along the second guide rail, the third sliding seat is along Z axle direction slidable mounting the side of second sliding seat, third linear actuator is used for driving the third sliding seat and slides along the Z axle, mill motor fixed mounting in the outside of third sliding seat, mill the output fixed mounting of motor and have milling cutter.

2. The portable milling machine of claim 1, wherein: the top of the base is provided with a first groove along the X-axis direction, the first guide rails are provided with two guide rails which are symmetrically arranged on two sides of the first groove, the bottom of the first sliding seat is provided with a first driving sliding block, and the first driving sliding block extends into the first groove;

the first linear driver comprises a first motor and a first screw rod, the first motor is fixedly installed at one end of the first groove, the output end of the first motor is connected with one end of the first screw rod, and the other end of the first screw rod is rotatably installed at the other end of the first groove through a first screw rod seat.

3. The portable milling machine of claim 1, wherein: a second groove is formed in the top of the first sliding seat along the Y-axis direction, two second guide rails are arranged on the two sides of the second groove and are symmetrically arranged, a second driving sliding block is arranged at the bottom of the second sliding seat and extends into the second groove;

the second linear driver comprises a second motor and a second screw rod, the second motor is fixedly installed at one end of the second groove, the output end of the second motor is connected with one end of the second screw rod, and the other end of the second screw rod is rotatably installed at the other end of the second groove through a second screw rod seat.

4. The portable milling machine of claim 3, wherein: wing plates are arranged on two sides of the second sliding seat, and the wing plates on two sides of the second sliding seat are respectively blocked on two sides of the first sliding seat.

5. The portable milling machine of claim 1, wherein: a third groove is formed in the top of the third sliding seat along the Z-axis direction, a third driving sliding block is arranged at the side end of the second sliding seat, and the third driving sliding block extends into the third groove;

the third linear driver comprises a third motor and a third screw rod, the third motor is fixedly installed at one end of the third groove, the output end of the third motor is connected with one end of the third screw rod, and the other end of the third screw rod is rotatably installed at the other end of the third groove through a third screw rod seat.

6. A portable milling machine according to any one of claims 1 to 5, wherein: the processed part is a frame body;

the fixing device comprises a bottom plate, a supporting column, a fixing plate, a rotating shaft and a locking mechanism, wherein the bottom plate is fixedly installed in the processed part, the fixing plate is fixed on the bottom plate through the supporting column in a supporting mode, the center of the base and the center of the fixing plate are connected through the rotating shaft in a rotating mode, and the locking mechanism is used for locking the base on the fixing plate.

7. The portable milling machine of claim 6, wherein: the locking mechanism comprises four groups of pressure plate assemblies, and each pressure plate assembly comprises a pressure strip and a locking bolt; the pressing strip is provided with a strip-shaped hole along the length direction, one end of the pressing strip is provided with a T-shaped clamp, the bottom of the base is provided with a lower plate, two sides of the lower plate are provided with T-shaped chutes, and the T-shaped clamps of the side pressing strips are respectively clamped into the T-shaped chutes on the sides in a sliding manner; the four corners of the fixing plate are respectively provided with a bolt hole, the strip-shaped holes on the pressing strips are aligned with the bolt holes one by one, the locking bolts are matched with the bolt holes, and the locking bolts are respectively screwed into the corresponding group of the strip-shaped holes and the corresponding bolt holes so as to fix the pressing strips on the fixing plate.

8. The portable milling machine of claim 6, wherein: the inner circumference of the processed part is welded with a support piece, the bottom plate is adapted to the inside of the processed part, and the bottom plate and the support piece are fixed through a fixing bolt.

Technical Field

The invention relates to the technical field of mechanical maintenance and processing, in particular to a portable milling machine.

Background

After corrosion or wear of the components of the machinery, maintenance is required or otherwise the performance of the machinery is affected. At present, the maintenance mode that equipment part often adopted does: firstly, repair welding is carried out on the damaged area of the part, and then milling processing is carried out on the repair welded area of the part through a milling machine, so that the size of the part meets the requirement. However, the conventional milling machine is generally large-sized equipment, and cannot mill parts which are not easily disassembled on large-sized equipment such as ships and airplanes.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a portable milling machine, which is used for milling parts which are difficult to disassemble on large-scale equipment.

The invention provides a portable milling machine which comprises a base, a fixing device, a first sliding seat, a first linear driver, a second sliding seat, a second linear driver, a third sliding seat, a third linear driver and a milling motor, wherein the first linear driver is arranged on the base; the base is fixed in on the machined part through fixing device, be provided with first guide rail along the X axle direction on the base, first sliding seat slidable mounting in first guide rail, first linear actuator is used for driving first sliding seat and slides along first guide rail, be provided with the second guide rail along the Y axle direction on the first sliding seat, second sliding seat slidable mounting in the second guide rail, second linear actuator is used for driving the second sliding seat and slides along the second guide rail, the third sliding seat is along Z axle direction slidable mounting the side of second sliding seat, third linear actuator is used for driving the third sliding seat and slides along the Z axle, mill motor fixed mounting in the outside of third sliding seat, mill the output fixed mounting of motor and have milling cutter.

Furthermore, a first groove is formed in the top of the base along the X-axis direction, two first guide rails are arranged and symmetrically arranged on two sides of the first groove, and a first driving sliding block is arranged at the bottom of the first sliding seat and extends into the first groove;

the first linear driver comprises a first motor and a first screw rod, the first motor is fixedly installed at one end of the first groove, the output end of the first motor is connected with one end of the first screw rod, and the other end of the first screw rod is rotatably installed at the other end of the first groove through a first screw rod seat.

Furthermore, a second groove is formed in the top of the first sliding seat along the Y-axis direction, two second guide rails are arranged and symmetrically arranged on two sides of the second groove, and a second driving sliding block is arranged at the bottom of the second sliding seat and extends into the second groove;

the second linear driver comprises a second motor and a second screw rod, the second motor is fixedly installed at one end of the second groove, the output end of the second motor is connected with one end of the second screw rod, and the other end of the second screw rod is rotatably installed at the other end of the second groove through a second screw rod seat.

Furthermore, wing plates are arranged on two sides of the second sliding seat, and the wing plates on two sides of the second sliding seat are respectively blocked on two sides of the first sliding seat.

Furthermore, a third groove is formed in the top of the third sliding seat along the Z-axis direction, a third driving sliding block is arranged at the side end of the second sliding seat, and the third driving sliding block extends into the third groove;

the third linear driver comprises a third motor and a third screw rod, the third motor is fixedly installed at one end of the third groove, the output end of the third motor is connected with one end of the third screw rod, and the other end of the third screw rod is rotatably installed at the other end of the third groove through a third screw rod seat.

Further, the processed component is a frame body;

the fixing device comprises a bottom plate, a supporting column, a fixing plate, a rotating shaft and a locking mechanism, wherein the bottom plate is fixedly installed in the processed part, the fixing plate is fixed on the bottom plate through the supporting column in a supporting mode, the center of the base and the center of the fixing plate are connected through the rotating shaft in a rotating mode, and the locking mechanism is used for locking the base on the fixing plate.

Further, the locking mechanism comprises four groups of pressure plate assemblies, and each pressure plate assembly comprises a pressing strip and a locking bolt; the pressing strip is provided with a strip-shaped hole along the length direction, one end of the pressing strip is provided with a T-shaped clamp, the bottom of the base is provided with a lower plate, two sides of the lower plate are provided with T-shaped chutes, and the T-shaped clamps of the side pressing strips are respectively clamped into the T-shaped chutes on the sides in a sliding manner; the four corners of the fixing plate are respectively provided with a bolt hole, the strip-shaped holes on the pressing strips are aligned with the bolt holes one by one, the locking bolts are matched with the bolt holes, and the locking bolts are respectively screwed into the corresponding group of the strip-shaped holes and the corresponding bolt holes so as to fix the pressing strips on the fixing plate.

Furthermore, a support piece is welded on the inner periphery of the machined part, the bottom plate is matched in the machined part, and the bottom plate and the support piece are fixed through a fixing bolt.

The invention has the beneficial effects that: when the milling machine works, the milling motor drives the milling cutter to rotate, and simultaneously drives the milling cutter to move in the directions of an X axis, a Y axis and a Z axis through the first linear driver, the second linear driver and the third linear driver respectively, so that the machined part is milled. The milling machine can be fixed on a machined part through the fixing device, and milling machining is conveniently carried out on parts, which are difficult to detach, on large-scale equipment. When a part which is not easy to detach on large-scale equipment is maintained, repair welding is firstly carried out on the damaged part of the part, then the milling machine is fixed on the part to be processed through the fixing device, and finally the milling machine is controlled to carry out milling processing on the repair welding area of the part to be processed so as to trim the repair welding area of the part to be processed.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a vertical cross-sectional view of an embodiment of the present invention in the Y-axis direction.

In the drawings, 100-base; 110 — a first guide rail; 120-a first groove; 130-a lower plate; 131-T shaped chute; 200-a fixture; 210-a backplane; 211-a support; 212-fixing bolt; 220-support column; 230-a fixed plate; 240-a rotating shaft; 250-a locking mechanism; 251-pressing strips; 2511-a T-clamp; 2512-a strip hole; 252-a locking bolt; 300-a first sliding seat; 310-a second guide rail; 320-a first drive slide; 330-a second groove; 400-a first linear driver; 410-a first motor; 420-a first lead screw; 430-a first screw base; 500-a second sliding seat; 510-a second drive slide; 520-wing plate; 530-a third drive slide; 600-a second linear drive; 610-a second motor; 620-second lead screw; 630-a second screw boss; 700-a third slide shoe; 710-a third groove; 800-a third linear drive; 810-a third electric machine; 820-a third lead screw; 900-milling the motor; 910-a milling cutter; 1000-the part to be machined.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

As shown in fig. 1 to 2, an embodiment of the present invention provides a portable milling machine, including a base 100, a fixing device 200, a first sliding seat 300, a first linear actuator 400, a second sliding seat 500, a second linear actuator 600, a third sliding seat 700, a third linear actuator 800, and a milling motor 900.

The base 100 is fixed to the workpiece 1000 by the fixing device 200, the first guide rail 110 is disposed on the base 100 along the X-axis direction, the first sliding seat 300 is slidably mounted on the first guide rail 110, and the first linear actuator 400 is configured to drive the first sliding seat 300 to slide along the first guide rail 110. The first linear driver 400 can adopt a motor screw rod structure, and the structure specifically comprises: the top of the base 100 is provided with a first groove 120 along the X-axis direction, the first guide rail 110 is provided with two and symmetrically arranged at two sides of the first groove 120, the bottom of the first sliding seat 300 is provided with a first driving slider 320, and the first driving slider 320 extends into the first groove 120. The first linear driver 400 comprises a first motor 410 and a first screw rod 420, the first motor 410 is fixedly installed at one end of the first groove 120, the output end of the first motor 410 is connected with one end of the first screw rod 420, the other end of the first screw rod 420 is rotatably installed at the other end of the first groove 120 through a first screw rod seat 430, and thus the first screw rod 420 is driven by the first motor 410 to rotate, so that the first sliding seat 300 can be driven to slide along the X axis.

The first sliding seat 300 is provided with a second guide rail 310 along the Y-axis direction, the second sliding seat 500 is slidably mounted on the second guide rail 310, and the second linear actuator 600 is used for driving the second sliding seat 500 to slide along the second guide rail 310. The second linear actuator 600 can adopt a motor screw rod structure, and the structure thereof is specifically as follows: the top of the first sliding seat 300 is provided with a second groove 330 along the Y-axis direction, the second guide rails 310 are provided with two and symmetrically arranged at two sides of the second groove 330, the bottom of the second sliding seat 500 is provided with a second driving slider 510, and the second driving slider 510 extends into the second groove 330. The second linear driver 600 includes a second motor 610 and a second screw 620, the second motor 610 is fixedly installed at one end of the second groove 330, an output end of the second motor 610 is connected with one end of the second screw 620, the other end of the second screw 620 is rotatably installed at the other end of the second groove 330 through a second screw seat 630, and thus the second motor 610 drives the second screw 620 to rotate, and the second sliding seat 500 can be driven to slide along the Y axis. In order to make the appearance of the milling machine more neat and beautiful, the wing plates 520 are disposed on two sides of the second sliding seat 500, and the wing plates 520 on two sides of the second sliding seat 500 are respectively blocked on two sides of the first sliding seat 300.

The third sliding seat 700 is slidably installed at a side end of the second sliding seat 500 along the Z-axis direction, and the third linear actuator 800 is configured to drive the third sliding seat 700 to slide along the Z-axis. The third linear actuator 800 can adopt a motor screw rod structure, and the structure thereof is specifically as follows: the top of the third sliding seat 700 is provided with a third groove 710 along the Z-axis direction, the side end of the second sliding seat 500 is provided with a third driving slider 530, and the third driving slider 530 extends into the third groove 710. The third linear driver 800 includes a third motor 810 and a third screw 820, the third motor 810 is fixedly installed at one end of the third groove 710, an output end of the third motor 810 is connected with one end of the third screw 820, the other end of the third screw 820 is rotatably installed at the other end of the third groove 710 through a third screw 820 seat, and thus the third screw 820 is driven to rotate by the third motor 810, and the third sliding seat 700 can be driven to slide along the Z axis.

The milling motor 900 is fixedly installed at the outer side of the third sliding seat 700, and the milling cutter 910 is fixedly installed at the output end of the milling motor 900.

When the milling machine is in operation, the milling motor 900 drives the milling cutter 910 to rotate, and simultaneously drives the milling cutter 910 to move in the directions of the X-axis, the Y-axis and the Z-axis through the first linear driver 400, the second linear driver 600 and the third linear driver 800, respectively, so as to mill the workpiece 1000.

The milling machine can be fixed on the processed part 1000 through the fixing device 200, and milling processing is conveniently carried out on parts which are not easy to detach on large-scale equipment.

When repairing a component which is not easy to detach on a large-scale device, repair welding is performed on a damaged part of the component, then the milling machine is fixed on the processed component 1000 through the fixing device 200, and finally the milling machine is controlled to mill a repair welding area of the component so as to repair the repair welding area of the processed component 1000.

In a preferred embodiment, the processed component 1000 is a frame, the fixing device 200 includes a bottom plate 210, a supporting column 220, a fixing plate 230, a rotating shaft 240 and a locking mechanism 250, the bottom plate 210 is fixedly installed in the processed component 1000, specifically, a supporting member 211 is welded on the inner circumference of the processed component 1000, the bottom plate 210 is fitted in the processed component 1000, the bottom plate 210 and the supporting member 211 are fixed by a fixing bolt 212, the fixing plate 230 is supported and fixed on the bottom plate 210 by the supporting column 220, the centers of the base 100 and the fixing plate 230 are rotatably connected by the rotating shaft 240, and the locking mechanism 250 is used for locking the base 100 to the fixing plate 230.

The workpiece 1000 in this embodiment may be a square frame, a round frame, or a frame having another shape. The workpiece 1000 shown in fig. 1 is a square frame with four chamfered edges, and referring to fig. 1, when the upper edge of the square frame is milled, the fixing plate 230 of the fixing device 200 is fixed in the frame of the processed part 1000, and then the base 100 of the milling machine is locked to the fixing plate 230 of the fixing device 200 by the locking mechanism 250, so that the base 100 of the milling machine is parallel to one side of the frame, then the milling cutter 910 is controlled to mill the side of the processed part 1000, then the locking mechanism 250 is unlocked from the base 100, the base 100 is rotated to be parallel to the other side of the square frame, and then the base 100 is locked, so as to mill the other side of the processed part 1000, then the base 100 is rotated in turn to process the other edges of the processed part 1000, therefore, the present invention can perform milling in various directions around the workpiece 1000 by rotating the base 100, and thus can meet the requirement of milling the frame edge.

Specifically, the locking mechanism 250 includes four sets of platen assemblies, each set including a bead 251 and a locking bolt 252. The pressing strip 251 is provided with a strip-shaped hole 2512 along the length direction, one end of the pressing strip 251 is provided with a T-shaped clamp 2511, the bottom of the base 100 is provided with a lower plate 130, two sides of the lower plate 130 are provided with T-shaped sliding grooves 131, and the T-shaped clamps 2511 of the side pressing strips 251 are respectively clamped into the T-shaped sliding grooves 131 of the sides in a sliding manner; the four corners of the fixing plate 230 are respectively provided with a bolt hole, the strip holes 2512 on the pressing strips 251 are aligned with the bolt holes one by one, the locking bolts 252 are matched with the bolt holes, and the locking bolts 252 are respectively screwed into the corresponding group of strip holes 2512 and bolt holes so as to fix the pressing strips 251 on the fixing plate 230.

The locking of the base 100 is mainly realized by locking the pressing strip 251 on the fixing plate 230 through the locking bolt 252, wherein the pressing strip 251 is connected with the T-shaped sliding groove 131 on the side of the lower plate 130 in a sliding manner through the T-shaped clamping head 2511, and after the base 100 is rotated, the strip-shaped hole 2512 on the pressing strip 251 can be aligned with the bolt hole on the fixing plate 230 through the sliding pressing strip 251, so that the locking bolt 252 can be screwed conveniently for locking.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.