CN112355364A - Automatic milling device for welding seam - Google Patents
Automatic milling device for welding seam Download PDFInfo
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- CN112355364A CN112355364A CN202011077493.0A CN202011077493A CN112355364A CN 112355364 A CN112355364 A CN 112355364A CN 202011077493 A CN202011077493 A CN 202011077493A CN 112355364 A CN112355364 A CN 112355364A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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Abstract
The invention discloses an automatic milling device for a welding seam, wherein a frame is arranged; a grinding tool system movably mounted on the frame, the grinding tool system including a milling cutter for milling a weld of the workpiece; and the three-axis driving system is respectively connected with the rack and the grinding tool system and is used for driving the milling cutter to perform feed motion. According to the automatic milling device, the automatic milling device is used for polishing the welding seam of the workpiece, the milling cutter of the grinding tool system is driven to perform feeding motion along different directions through the three-axis driving system, the motion direction of the milling cutter is ensured to be consistent with the direction of the welding seam, the automatic milling of the welding seam is realized, the workload of welding seam polishing is reduced, and uniform polishing allowance and high-quality surface to be processed are provided.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a metal milling technology, and particularly relates to an automatic milling device for a welding seam.
Background
The welding technique, also called as a fusion welding technique, is a manufacturing process and a technique for joining metals by heating, high temperature or high pressure, and is widely used in modern industries, especially large structural members such as rail vehicles, airplanes, ships, etc. are manufactured by welding after splicing of block members.
In the rail vehicle manufacturing industry, each piecemeal component is connected integrally with the welded mode after the concatenation and forms the rail vehicle automobile body, the high temperature that utilizes the welding heat source makes welding rod and the metal melting of seam department connect the welding seam or the welding hole that forms, need artifical handheld welding seam grinding tool to reprocess welding seam or welding hole periphery side, make the component surface smooth, however, traditional artifical polishing mode inefficiency, environmental pollution is big, the bodily injury to operating personnel is also big, be difficult to satisfy the safety in production operation requirement, and artifical handheld tool polishes the quality stability poor, it needs workman real time control to get rid of the welding seam height, it is high to workman's technical merit level requirement, the operation is complicated, be difficult to the construction, can't guarantee the milling efficiency and the quality of positions such as welding hole, welding seam.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an automatic milling device for welding seams so as to achieve the purpose of improving the welding seam milling efficiency and the milling quality.
In order to solve the technical problems, the invention adopts the technical scheme that:
an automatic milling device for a weld, comprising:
a frame;
the clamping mechanism is arranged on the positioning plate and used for fixing the workpiece;
a grinding tool system movably mounted on the frame, the grinding tool system including a milling cutter for milling a weld of the workpiece;
and the three-axis driving system is respectively connected with the rack and the grinding tool system and is used for driving the milling cutter to perform feed motion.
In the scheme, the milling cutter of the grinding tool system is driven by the three-axis driving system to perform feed motion along different directions so as to realize that the motion direction of the milling cutter is consistent with the direction of a welding seam, the depth and the polishing length of the milling cutter for polishing the welding seam or the peripheral side of a welding hole are ensured, and uniform polishing allowance and high-quality processing surface are provided on the basis of automatically finishing milling work.
Further, triaxial actuating system includes X axle drive assembly, Y axle drive assembly and Z axle drive assembly, and the frame includes the backup pad of horizontal direction, and Z axle drive assembly installs in the backup pad, and grinding tool system, X axle drive assembly, Y axle drive assembly and Z axle drive assembly from top to bottom connect gradually.
In the scheme, the grinding tool system, the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly are sequentially connected from top to bottom, so that the three-axis driving system drives the milling cutter to respectively perform feeding motion along the X-axis, the Y-axis and the Z-axis, and therefore the welding seam or the outer peripheral side of the welding hole on the surface of the workpiece is milled in an all-dimensional mode, and the polishing quality is guaranteed.
Furthermore, a first horizontal plate is arranged between the X-axis driving assembly and the Y-axis driving assembly, the X-axis driving assembly comprises an X-axis sliding rail parallel to the axial direction of the workpiece and an X-axis sliding block embedded into the X-axis sliding rail, the X-axis sliding rail is horizontally fixed on the first horizontal plate, a first sliding plate is installed on the X-axis sliding block, and the first sliding plate is fixedly connected with a grinding tool system.
In the scheme, the X-axis slide rail is horizontally fixed on the first horizontal plate and is fixedly connected with the grinding tool system through the first sliding plate, the grinding tool system is fixed on the X-axis driving assembly, and the milling cutter is driven by the X-axis driving assembly to perform feed motion along the horizontal direction, so that the stroke of the milling cutter moving along the X axis is controlled.
Furthermore, X-axis slide rail symmetry sets up the left and right sides at first horizontal plate, installs on the first horizontal plate and is used for guiding the gliding first ball of grinding tool system along X-axis slide rail, first ball and work piece axial direction parallel, the one end and the hand wheel threaded connection of X-axis of first ball.
In the above scheme, install on the first horizontal plate and be used for guiding the gliding first ball of grinding tool system along X axle slide rail and first ball and hand rocking wheel threaded connection, do rotary motion through controlling hand rocking wheel drive first ball, and then make first slide be linear motion along the X axle, fine setting control milling cutter is along the motion stroke of X axle.
Furthermore, a second horizontal plate is arranged between the Y-axis driving assembly and the Z-axis driving assembly, the Y-axis driving assembly comprises a Y-axis slide rail, a Y-axis slide block embedded into the Y-axis slide rail and a second ball screw, the Y-axis slide rail and the second ball screw are respectively radially parallel to the workpiece and fixed on the second horizontal plate, and the Y-axis slide block is provided with an X-axis driving assembly.
In the scheme, the Y-axis slide rail and the second ball screw are respectively fixed on the second horizontal plate, the Y-axis slide rail is provided with the X-axis driving assembly, the X-axis driving assembly and the grinding tool system are integrally installed on the Y-axis slide rail, and the second ball screw rotates to realize that the X-axis driving assembly and the grinding tool system integrally move linearly along the Y axis.
Furthermore, the Y-axis driving assembly further comprises a transverse motor and a transverse speed reducer, the transverse speed reducer is provided with an input shaft and an output shaft, the input shaft of the transverse speed reducer is connected with the output shaft of the transverse motor, and the output shaft of the transverse speed reducer is connected with one end of the second ball screw.
In the above scheme, the Y-axis driving assembly comprises a transverse motor and a transverse speed reducer, an output shaft of the transverse motor drives an input shaft of the transverse speed reducer to move coaxially, an output shaft of the transverse speed reducer drives the second ball screw to move, and therefore the Y-axis driving assembly automatically drives the X-axis driving assembly and the grinding tool system to move linearly integrally along the Y axis.
Furthermore, Z axle drive assembly includes Z axle slide rail, the Z axle slider and the third ball of embedding Z axle slide rail, and the frame still includes the locating plate of vertical direction, and Z axle slide rail and third ball are vertical to be fixed on the locating plate, install the riser on the Z axle slider, are equipped with the second horizontal plate between Y axle drive assembly and the Z axle drive assembly, and the riser is connected with the second horizontal plate.
In the scheme, the Z-axis slide rail and the third ball screw are respectively fixed on the first vertical plate, the second horizontal plate is fixed with the first vertical plate, the grinding tool system, the X-axis driving assembly and the Y-axis driving assembly are integrally connected with the Z-axis slide rail, and the Z-axis driving assembly controls the grinding tool system, the X-axis driving assembly and the Y-axis driving assembly to integrally move along the vertical direction.
Furthermore, the Z-axis driving assembly further comprises a lifting motor and a lifting speed reducer, the lifting speed reducer is provided with an input shaft and a worm wheel meshed with the output shaft, the input shaft of the lifting speed reducer is connected with the output shaft of the lifting motor, and a third ball screw is sleeved in the worm wheel.
In the above scheme, the Z-axis driving assembly comprises a lifting motor and a lifting reducer, an output shaft of the lifting motor drives an input shaft of the lifting reducer to move coaxially, and the input shaft of the lifting reducer moves through a turbine and a second ball screw, so that the Z-axis driving assembly automatically drives the grinding tool system, the X-axis driving assembly and the Y-axis driving assembly to move linearly along the Z axis integrally.
Further, the grinding tool system comprises a cutter shaft which is horizontally arranged, one end of the cutter shaft is a power input end which is used for being in transmission connection with the driving motor, and the other end of the cutter shaft is a cutter mounting end which is used for mounting the milling cutter.
In the above scheme, the one end and the driving motor of arbor are connected, and the one end and the milling cutter of arbor are connected, polish to weld seam or weld hole periphery side through driving motor control milling cutter, realize that automatic control milling cutter carries out work, have not only reduced operating personnel's work load, improve work efficiency, have still guaranteed the degree of depth and the length of polishing to and the smoothness of work piece surface.
Further, milling cutter is cylinder milling cutter, and cylinder milling cutter includes tool bit and the sword main part of body coupling, and tool bit and sword main part are the cylinder structure, and the lateral surface of tool bit is equipped with the spiral stripe, and the spiral stripe sets up along the axial of tool bit.
In the scheme, the milling cutter is a cylindrical milling cutter, the outer side surface of the cutter head is provided with the spiral stripes, when the automatic milling operation is performed on the surface of a workpiece, the cylindrical milling cutter can continuously rotate and has higher milling speed, and the milling efficiency and the milling quality of the whole milling process are further improved.
Compared with the prior art, the automatic milling device for the welding seam provided by the invention has the following beneficial effects:
the three-shaft driving system drives the milling cutter to perform feed motion along different directions, so that the motion direction of the milling cutter is consistent with the direction of a welding seam, the depth and the polishing length of the milling cutter for polishing the welding seam or the peripheral side of a welding hole are further ensured, and particularly, a workpiece has uniform polishing allowance and a high-quality processing surface on the basis of automatically finishing milling.
According to the invention, the tool bit of the cylindrical milling cutter is provided with the spiral stripes, so that the cylindrical milling cutter can continuously rotate when automatic milling operation is performed on the surface of a workpiece, the milling speed is high, the milling precision is high, the chip removal performance is good, and the position of the milling cutter can be adjusted, so that the milling efficiency and the milling quality in the whole milling process are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic structural diagram of an automatic milling device for a weld joint according to an embodiment of the invention;
FIG. 2 is a side view of an automatic milling apparatus for a weld joint in an embodiment of the present invention;
FIG. 3 is a top view of an automatic milling apparatus for weld joints in an embodiment of the present invention.
Reference numbers in the figures:
1. a grinding tool system; 11. a drive motor; 12. a cutter shaft; 13. a cylindrical milling cutter;
2. a three-axis drive system; 21. an X-axis drive assembly; 211. an X-axis slide rail; 212. an X-axis slider; 213. a first ball screw; 214. an X-axis hand-operated wheel; 22. a Y-axis drive assembly; 221. a Y-axis slide rail; 222. a Y-axis slider; 223. a second ball screw; 224. a transverse motor; 225. a transverse speed reducer; 226. a Y-axis hand-operated wheel; 23. a Z-axis drive assembly; 231. a Z-axis slide rail; 232. a Z-axis slide block; 233. a third ball screw; 234. a lifting motor; 235. a lifting speed reducer; 24. a first horizontal plate; 25. a second horizontal plate; 26. a first vertical plate; 27. a first slide plate;
3. a frame; 31. positioning a plate; 32. a support plate; 33. a guide wheel; 34. supporting legs;
4. a clamping mechanism; 41. a first fixing plate; 42. a second fixing plate; 43. a support plate; 44. a vertical slide rail; 45. a vertical slide block; 46. a fourth ball screw; 47. a first hand wheel; 48. screwing the screw; 49. a spring;
5. and (5) a workpiece.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1 to 3, the present invention provides an automatic milling apparatus for a weld bead, including a frame 3; a grinding tool system 1 movably mounted on the frame 3, the grinding tool system 1 including a milling cutter for milling a weld of the workpiece 5; and the three-axis driving system 2 is respectively connected with the rack 3 and the grinding tool system 1 and is used for driving the milling cutter to perform feed motion so as to realize that the motion direction of the milling cutter is consistent with the direction of a welding seam, ensure the depth and the polishing length of the milling cutter for polishing the welding seam or the peripheral side of a welding hole, and provide uniform polishing allowance and a high-quality processing surface on the basis of automatically finishing milling work.
As shown in fig. 1, in this embodiment, the three-axis driving system 2 includes an X-axis driving assembly 21, a Y-axis driving assembly 22, and a Z-axis driving assembly 23, the frame 3 includes a supporting plate 32 in the horizontal direction, the Z-axis driving assembly 23 is installed on the supporting plate 32, and the grinding tool system 1, the X-axis driving assembly 21, the Y-axis driving assembly 22, and the Z-axis driving assembly 23 are sequentially connected from top to bottom. Under the drive of the three-axis drive system 2, the milling cutter respectively performs feed motion along an X axis, a Y axis and a Z axis, so that the peripheral sides of welding seams or welding holes on the surface of the workpiece 5 are milled in all directions, and the polishing quality is ensured.
As shown in fig. 3, in the present embodiment, a first horizontal plate 24 is disposed between the X-axis driving assembly 21 and the Y-axis driving assembly 22, the X-axis driving assembly 21 includes an X-axis slide rail 211 axially parallel to the workpiece 5 and an X-axis slider 212 embedded in the X-axis slide rail 211, the X-axis slide rail 211 is horizontally fixed on the first horizontal plate 24, a first sliding plate 27 is mounted on the X-axis slider 212, and the first sliding plate 27 is fixedly connected to the grinding tool system 1. The grinding tool system 1 is fixed on the X-axis driving assembly 21, and the milling cutter is driven by the X-axis driving assembly 21 to perform feed motion along the horizontal direction, so that the stroke of the milling cutter moving along the X axis is controlled.
As shown in fig. 2, in the present embodiment, the X-axis slide rails 211 are symmetrically disposed on the left and right sides of the first horizontal plate 24, the first horizontal plate 24 is mounted with a first ball screw 213 for guiding the grinding tool system 1 to slide along the X-axis slide rails 211, the first ball screw 213 is axially parallel to the workpiece 5, and one end of the first ball screw 213 is in threaded connection with the X-axis hand wheel 214. The first ball screw 213 is driven to rotate by operating the hand wheel, so that the first slide plate 27 is driven to move linearly along the X-axis, and the movement stroke of the milling cutter along the X-axis is finely adjusted and controlled.
In this embodiment, the first ball screw 213 includes a screw, a fixing seat, a supporting seat and a nut seat having a ball, the supporting seat, the nut seat and the fixing seat are sequentially sleeved on the screw, the supporting seat and the fixing seat are respectively installed at two ends of the first horizontal plate 24 to limit the position of the screw, two side surfaces of the first sliding plate 27 are respectively fixed to the X-axis sliding rail 211 and the grinding tool system 1, and one end of the screw close to the support is in threaded connection with the hand wheel to control the movement of the milling cutter along the X-axis.
As shown in fig. 1, in the present embodiment, a second horizontal plate 25 is disposed between the Y-axis driving assembly 22 and the Z-axis driving assembly 23, the Y-axis driving assembly 22 includes a Y-axis slide rail 221, a Y-axis slide block 222 embedded in the Y-axis slide rail 221, and a second ball screw 223, the Y-axis slide rail 221 and the second ball screw 223 are respectively radially parallel to the workpiece 5 and fixed on the second horizontal plate 25, and the X-axis driving assembly 21 is mounted on the Y-axis slide block 222. The X-axis driving assembly 21 and the grinding tool system 1 are integrally mounted on the Y-axis slide rail 221, and the second ball screw 223 performs a rotary motion to realize that the X-axis driving assembly 21 and the grinding tool system 1 integrally perform a linear motion along the Y-axis.
As shown in fig. 2 and 3, in the present embodiment, the Y-axis driving assembly 22 further includes a transverse motor 224 and a transverse reducer 225, the transverse reducer 225 has an input shaft and an output shaft, the input shaft of the transverse reducer 225 is connected to the output shaft of the transverse motor 224, and the output shaft of the transverse reducer 225 is connected to one end of the second ball screw 223. The output shaft of the transverse motor 224 drives the input shaft of the transverse speed reducer 225 to move coaxially, and the output shaft of the transverse speed reducer 225 drives the second ball screw 223 to move, so that the Y-axis driving assembly 22 automatically drives the X-axis driving assembly 21 and the grinding tool system 1 to move linearly along the Y-axis.
In this embodiment, the second ball screw 223 includes a coupling, a screw rod, a fixing seat, a supporting seat and a nut seat having a ball, the supporting seat, the nut seat and the fixing seat are sequentially sleeved on the screw rod, the supporting seat and the fixing seat are respectively installed at two ends of the second horizontal plate 25 to limit the position of the screw rod, two side surfaces of the first horizontal plate 24 are respectively fixed with the X-axis slide rail 211 and the Y-axis slide block 222, and one end of the screw rod near the support is in threaded connection with the Y-axis hand wheel 226 or is connected with the transverse speed reducer 225 to control the movement of the milling cutter along the Y axis.
In this embodiment, the output shaft of the transverse motor 224 and the input shaft of the transverse speed reducer 225 move coaxially through a belt, the input shaft of the transverse speed reducer 225 and the output shaft of the transverse speed reducer 225 are connected through gear engagement, and the output shaft of the transverse speed reducer 225 and the coupling of the second ball screw 223 move coaxially through a belt, so that the Y-axis slider 222 slides along the Y-axis slide rail 221, and further the X-axis driving assembly 21 and the grinding tool system 1 are driven to move linearly along the Y-axis integrally.
In this embodiment, the left and right sides of the second horizontal plate 25 are symmetrically provided with Y-axis slide rails 221, the second horizontal plate 25 is further provided with limit stoppers for guiding the movement stroke of the milling cutter along the Y-axis, the limit stoppers are respectively arranged opposite to the Y-axis slide rails 221 on the left and right sides of the second horizontal plate 25, and when the transverse reducer 225 drives the milling cutter to move along the Y-axis, the limit stoppers are arranged to realize more intelligent control of the movement stroke of the milling cutter.
As shown in fig. 1, in this embodiment, the Z-axis driving assembly 23 includes a Z-axis sliding rail 231, a Z-axis sliding block 232 and a third ball screw 233 embedded in the Z-axis sliding rail 231, the frame 3 further includes a positioning plate 31 in the vertical direction, the bottom of the positioning plate 31 is fixedly connected to the supporting plate 32, the Z-axis sliding rail 231 and the third ball screw 233 are vertically fixed to the positioning plate 31, a first vertical plate 26 is mounted on the Z-axis sliding block 232, a second horizontal plate 25 is disposed between the Y-axis driving assembly 22 and the Z-axis driving assembly 23, the first vertical plate 26 is connected to the second horizontal plate 25, the grinding tool system 1 and the X-axis driving assembly 21 are connected to the Y-axis driving assembly 22 integrally and the Z-axis sliding rail 231, and the Z-axis driving assembly 23 controls the grinding tool system 1, the X-axis driving assembly 21 and the Y-axis driving.
As shown in fig. 1, in this embodiment, the Z-axis driving assembly 23 further includes a lifting motor 234 and a lifting reducer 235, the lifting reducer 235 has an input shaft and a worm wheel engaged with the output shaft, the input shaft of the lifting reducer 235 is connected to the output shaft of the lifting motor 234, and the third ball screw 233 is sleeved in the worm wheel, so as to realize that the Z-axis driving assembly 23 automatically drives the grinding tool system 1, the X-axis driving assembly 21, and the Y-axis driving assembly 22 to integrally perform linear motion along the Z-axis.
In this embodiment, the third ball screw 233 includes a screw, a fixing seat, a supporting seat and a nut seat having a ball, the supporting seat, the nut seat and the fixing seat are sequentially sleeved on the screw, the two ends of the positioning plate 31 are respectively provided with the supporting seat and the fixing seat for limiting the position of the screw, two side surfaces of the first vertical plate 26 are respectively fixed with the vertical slider 45 and one end of the second horizontal plate 25, and one end of the screw near the support is connected with the manual lifting reducer 235 for controlling the movement of the milling cutter along the Z axis.
In this embodiment, the Z-axis driving assembly 23 includes a lifting motor 234 and a lifting reducer 235, the output shaft of the lifting motor 234 and the input shaft of the reducer of the lifting motor 234 move coaxially through a belt, the input shaft of the lifting reducer 235 is engaged with a third ball screw 233 through a worm gear, the lifting reducer 235 drives the third ball screw to move coaxially, so that the Z-axis slider 232 slides along the Z-axis slide rail 231, and further the grinding tool system 1, the X-axis driving assembly 21 and the Y-axis driving assembly 22 are driven to move linearly along the Z-axis as a whole.
In this embodiment, the left and right sides symmetry of locating plate 31 is equipped with Z axle slide rail 231, still is equipped with the limit switch who is used for guiding milling cutter along the motion stroke of Z axle on the locating plate 31, and limit switch sets up with the Z axle slide rail 231 of the first riser 26 left and right sides respectively relatively, and it is external to drive milling cutter along the Z axle motion to reacing limit switch place when lift reduction 235, and milling cutter stops to feed along the Z axle motion to more intelligent control milling cutter's motion stroke.
As shown in fig. 1 to 3, in the present embodiment, the lifting motor 234 and the lifting reducer 235 are fixed on the support plate 32 of the frame 3, the guide wheel 33 is installed at the bottom of the support plate 32 for controlling the milling device to move along the ground, the support foot 34 is also installed at the bottom of the support plate 32, and the support foot 34 is fixed to the ground, so as to prevent the milling device from moving relative to the ground during the milling operation.
Through the automatic milling device for the welding seam, the three-axis driving system 2 drives the milling cutter to perform feed motion along different directions, the motion direction of the milling cutter is ensured to be consistent with the direction of the welding seam, the depth and the polishing length of the milling cutter for polishing the welding seam or the peripheral side of a welding hole are further ensured, and particularly, on the basis of automatically finishing milling work, the workpiece 5 has uniform and consistent polishing allowance and a high-quality processing surface.
Example two
As shown in fig. 1, the embodiment is a further limitation of the first embodiment, in this embodiment, the grinding tool system 1 includes a horizontally disposed arbor 12, one end of the arbor 12 is a power input end for transmission connection with the driving motor 11, and the other end of the arbor 12 is a tool mounting end for mounting a milling cutter. The milling cutter is a cylindrical milling cutter 13, the outer side surface of the cutter head is provided with spiral stripes, when the automatic milling operation is performed on the surface of the workpiece 5, the cylindrical milling cutter 13 can continuously rotate and has high milling speed, and therefore the milling efficiency and the milling quality of the whole milling process are improved.
As shown in fig. 1, in this embodiment, the milling cutter is a cylindrical milling cutter 13, the cylindrical milling cutter 13 includes a cutter head and a cutter body that are integrally connected, the cutter head and the cutter body are both of a cylindrical structure, and the outer side surface of the cutter head is provided with spiral stripes that are arranged along the axial direction of the cutter head. The milling cutter is a cylindrical milling cutter 13, the outer side surface of the cutter head is provided with spiral stripes, when the automatic milling operation is performed on the surface of the workpiece 5, the cylindrical milling cutter 13 can continuously rotate and has high milling speed, and therefore the milling efficiency and the milling quality of the whole milling process are improved.
Through the automatic milling device for the welding seam, the tool bit of the cylindrical milling cutter 13 is provided with the spiral stripes, when the automatic milling operation is performed on the surface of the workpiece 5, the cylindrical milling cutter 13 can continuously rotate, the milling speed is high, the milling precision is high, the chip removal performance is good, the position of a cutting edge can be adjusted, and the milling efficiency and the milling quality of the whole milling process are further improved.
EXAMPLE III
As shown in fig. 1 to 3, the embodiment is further limited to the second embodiment, and in the present embodiment, the grinding tool system includes a frame 3, a grinding tool system 1 mounted with a cylindrical milling cutter 13, and a clamping mechanism 4 for fixing a workpiece 5, the clamping mechanism 4 is slidably mounted on the frame 3, and the grinding tool system 1 is movably mounted between the clamping mechanism 4 and the workpiece 5. The clamping mechanism 4 for fixing the workpiece 5 is slidably mounted on the rack 3, and the clamping mechanism 4 can adjust the height of the clamping mechanism 4 according to the position of the workpiece 5, so that the automatic welding seam milling device can adapt to the working environment better to perform automatic milling operation conveniently, and the grinding tool system 1 can mill the workpiece 5 fixed on the clamping mechanism 4 more stably.
As shown in fig. 2 and 3, in this embodiment, the rack 3 includes a positioning plate 31 in the vertical direction, vertical slide rails 44 extending in the vertical direction are symmetrically installed on the positioning plate 31, a vertical slider 45 matched with the vertical slide rails 44 is installed on the clamping mechanism 4, and the vertical slider 45 is embedded in the vertical slide rails 44 and is used for driving the clamping mechanism 4 to slide in the vertical direction. Clamping mechanism 4 installs in frame 3 and with frame 3 sliding connection, and clamping mechanism 4 and frame 3's connected mode is simple, and through the height of gliding mode control clamping mechanism 4 moreover, the position of adaptation work piece 5 to realize clamping mechanism 4 and work piece 5 fastening connection, it is more laborsaving to adjust clamping mechanism 4's height.
As shown in fig. 2 and 3, in the present embodiment, the clamping mechanism 4 includes a first fixing plate 41, a second fixing plate 42 and a screwing screw 48, which are arranged in front and back, the first fixing plate 41 and the second fixing plate 42 are connected via the screwing screw 48, a supporting plate 43 in a vertical direction is mounted on the first fixing plate 41, and a vertical slider 45 sliding along a vertical slide rail 44 is mounted on the supporting plate 43. The distance between the first fixing plate 41 and the second fixing plate 42 is controlled by screwing the screw 48 to realize radial support of the bottom of the workpiece 5 by the first fixing plate 41 and the second fixing plate 42 respectively, and the distance between the first fixing plate 41 and the second fixing plate 42 is clamped and fixed to the bottom of the workpiece 5.
As shown in fig. 2 and 3, in the present embodiment, the support plate 43 is disposed on the side of the first fixing plate 41 close to the second fixing plate 42, and the bottom of the second fixing plate 42 abuts against the top of the support plate 43. The supporting plate 43 is slidably connected with the rack 3 and is fixedly connected with the first fixing plate 41 to form an external lifting structure, so that the first fixing plate 41 can stably support the bottom of the workpiece 5, the clamping mechanism 4 can be conveniently and quickly mounted on the rack 3, and the clamping mechanisms 4 with different sizes can be maintained and replaced conveniently.
As shown in fig. 2 and 3, in the present embodiment, a fourth ball screw 46 extending in the vertical direction is mounted on the first fixing plate 41, the fourth ball screw 46 is disposed on a side of the first fixing plate 41 close to the second fixing plate 42, a first hand wheel 47 is mounted on the fourth ball screw 46, and a lower end of the fourth ball screw 46 is in threaded connection with the first hand wheel 47. The height of the clamping mechanism 4 is rapidly adjusted through manually operating the hand-operated wheel, and then the lifting function of the clamping mechanism 4 is realized, so that the automatic welding seam milling device is better adapted to the working environment to perform automatic milling work.
As shown in fig. 2 and 3, in the present embodiment, a spring 49 for adjusting a relative distance between the first fixing plate 41 and the second fixing plate 42 is disposed between the first fixing plate 41 and the second fixing plate 42, and the tightening screw 48 sequentially passes through the first fixing plate 41, the spring 49, and the second fixing plate 42 in a horizontal direction. The screwing screw 48 sequentially penetrates through the first fixing plate 41, the spring 49 and the second fixing plate 42 along the horizontal direction to form the clamping mechanism 4, the distance between the first fixing plate 41 and the second fixing plate 42 is adjusted by rotating the screwing screw 48 to adapt to workpieces 5 of different specifications, the bottoms of the workpieces 5 are clamped, and the stability of the whole clamping mechanism 4 is improved.
Through the automatic milling device for the welding seam, the clamping mechanism 4 for fixing the workpiece 5 is slidably mounted on the frame 3, and the height of the clamping mechanism is adjusted according to the position of the workpiece 5, so that the automatic milling device for the welding seam can better adapt to the working environment to perform automatic milling operation conveniently, the operation of an operator is more labor-saving, the production efficiency is improved, and meanwhile, the grinding tool system 1 can be more stably used for milling the workpiece 5 fixed on the clamping mechanism 4.
Claims (10)
1. An automatic milling device for a weld, comprising:
a frame;
a grinding tool system movably mounted on the frame, the grinding tool system including a milling cutter for milling a weld of the workpiece;
and the three-axis driving system is respectively connected with the rack and the grinding tool system and is used for driving the milling cutter to perform feed motion.
2. The automatic milling device for the weld according to claim 1, characterized in that the three-axis drive system comprises an X-axis drive assembly, a Y-axis drive assembly and a Z-axis drive assembly, the frame comprises a horizontally oriented support plate, the Z-axis drive assembly is mounted on the support plate, and the grinding tool system, the X-axis drive assembly, the Y-axis drive assembly and the Z-axis drive assembly are sequentially connected from top to bottom.
3. The automatic milling device for the welding seam according to claim 2, characterized in that a first horizontal plate is arranged between the X-axis driving assembly and the Y-axis driving assembly, the X-axis driving assembly comprises an X-axis slide rail which is parallel to the axial direction of the workpiece and an X-axis slide block which is embedded in the X-axis slide rail, the X-axis slide rail is horizontally fixed on the first horizontal plate, a first sliding plate is arranged on the X-axis slide block, and the first sliding plate is fixedly connected with the grinding tool system.
4. The automatic milling device for the welding seam according to claim 3, characterized in that the X-axis slide rails are symmetrically arranged at the left side and the right side of the first horizontal plate, a first ball screw used for guiding the grinding tool system to slide along the X-axis slide rails is mounted on the first horizontal plate, the first ball screw is axially parallel to the workpiece, and one end of the first ball screw is in threaded connection with the X-axis hand-operated wheel.
5. The automatic milling device for the welding seam according to claim 2, characterized in that a second horizontal plate is arranged between the Y-axis driving component and the Z-axis driving component, the Y-axis driving component comprises a Y-axis slide rail, a Y-axis slide block embedded in the Y-axis slide rail and a second ball screw, the Y-axis slide rail and the second ball screw are respectively parallel to the workpiece in the radial direction and fixed on the second horizontal plate, and the X-axis driving component is mounted on the Y-axis slide block.
6. The automatic milling device for the weld according to claim 5, wherein the Y-axis drive assembly further comprises a transverse motor and a transverse reducer, the transverse reducer has an input shaft and an output shaft, the input shaft of the transverse reducer is connected with the output shaft of the transverse motor, and the output shaft of the transverse reducer is connected with one end of the second ball screw.
7. The automatic milling device for the welding seam of claim 2, characterized in that the Z-axis driving component comprises a Z-axis slide rail, a Z-axis slide block embedded in the Z-axis slide rail and a third ball screw, the rack further comprises a positioning plate in the vertical direction, the Z-axis slide rail and the third ball screw are vertically fixed on the positioning plate, a first vertical plate is mounted on the Z-axis slide block, a second horizontal plate is arranged between the Y-axis driving component and the Z-axis driving component, and the first vertical plate is connected with the second horizontal plate.
8. The automatic milling device for the weld according to claim 7, wherein the Z-axis driving assembly further comprises a lifting motor and a lifting reducer, the lifting reducer is provided with an input shaft and a worm gear meshed with the output shaft, the input shaft of the lifting reducer is connected with the output shaft of the lifting motor, and a third ball screw is sleeved in the worm gear.
9. The automatic milling device for the weld joint according to any one of claims 1 to 8, wherein the grinding tool system comprises a horizontally arranged cutter shaft, one end of the cutter shaft is a power input end for being in transmission connection with a driving motor, and the other end of the cutter shaft is a cutter mounting end for mounting a milling cutter.
10. The automatic milling device for the weld joint according to claim 9, wherein the milling cutter is a cylindrical milling cutter, the cylindrical milling cutter comprises a cutter head and a cutter body which are integrally connected, the cutter head and the cutter body are both of a cylindrical structure, the outer side surface of the cutter head is provided with spiral stripes, and the spiral stripes are arranged along the axial direction of the cutter head.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011077493.0A CN112355364A (en) | 2020-10-10 | 2020-10-10 | Automatic milling device for welding seam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011077493.0A CN112355364A (en) | 2020-10-10 | 2020-10-10 | Automatic milling device for welding seam |
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| CN112355364A true CN112355364A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011077493.0A Pending CN112355364A (en) | 2020-10-10 | 2020-10-10 | Automatic milling device for welding seam |
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