CN210254422U - F-shaped steel rail multi-station planer type milling machine - Google Patents

F-shaped steel rail multi-station planer type milling machine Download PDF

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Publication number
CN210254422U
CN210254422U CN201920781463.4U CN201920781463U CN210254422U CN 210254422 U CN210254422 U CN 210254422U CN 201920781463 U CN201920781463 U CN 201920781463U CN 210254422 U CN210254422 U CN 210254422U
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CN
China
Prior art keywords
sliding plate
adjusting
head
screw rod
milling
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Active
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CN201920781463.4U
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Chinese (zh)
Inventor
李鑫
盛亚东
韩海群
吴大军
李成辉
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Jiangsu Henry Modular Machine Tool Co ltd
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Jiangsu Henry Modular Machine Tool Co ltd
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Priority to CN201920781463.4U priority Critical patent/CN210254422U/en
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Abstract

The utility model discloses a F shaped steel rail multistation planer-type milling machine, the technical problem of solution: the technical problem that the quality qualified rate of the F-shaped steel rail finished on a machining center is not high in the background technology is solved. The technical scheme who takes, a F shaped steel rail multistation planer-type milling machine, including milling machine workstation, portal frame, hobbing cutter head device, stand and chamfer milling head device, on milling machine workstation was arranged in on ground, the portal frame was arranged in on milling machine workstation's table surface, hobbing cutter head device installs on the portal frame, the stand is vertical arrange in on ground and be located the side edge of milling machine workstation, chamfer milling head device is arranged in on the stand and is located the stand side of directional milling machine workstation. The advantages are that: the milling machine has the advantages of reasonable structure, convenient operation and high working efficiency, and can realize the multi-station processing of the F-shaped steel rail.

Description

F-shaped steel rail multi-station planer type milling machine
Technical Field
The utility model relates to a milling machine specifically is a F shaped steel rail multistation planer-type milling machine.
Background
At present, the machining of the F-shaped steel rail is usually completed on a large gantry machining center, only one surface can be milled in normal machining, meanwhile, for the machining of an inclined plane with an angle, a milling head is not well adjusted in place, the quality qualification rate of a machined part is not high, and meanwhile, because the F-shaped steel rail is long, the cutting allowance is large, and a large amount of scrap iron generated in machining is not easy to process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the quality qualification rate that F shaped steel rail accomplished on the machining center is not high to mentioning in the background art.
The utility model adopts the technical proposal that: an F-shaped steel rail multi-station planer type milling machine comprises a milling machine workbench, a portal frame, a hobbing milling head device, an upright post and a chamfering milling head device,
the milling machine workbench is arranged on the ground, the portal frame is arranged on the workbench surface of the milling machine workbench, the hobbing milling head device is installed on the portal frame, the upright column is vertically arranged on the ground and is positioned at the side edge of the milling machine workbench, and the chamfering milling head device is arranged on the upright column and is positioned on the side surface of the upright column pointing to the milling machine workbench;
the hobbing milling head device comprises a milling power head, a cutter bar, a first cutter disc, a second cutter disc and a sliding plate, wherein the milling power head is installed on the side surface of one supporting leg of the portal frame, one end of the cutter bar is connected with the milling power head, the other end of the cutter bar is rotatably arranged on the sliding plate, the sliding plate is arranged on the side surface of the other supporting leg of the portal frame, the first cutter disc and the second cutter disc are both arranged on the cutter bar, the axial positions of the first cutter disc and the second cutter disc are fixed through locking nuts, and a first spacer sleeve is arranged between the;
the chamfering milling head device comprises a chamfering power head, a Y-direction adjusting mechanism for adjusting the Y-direction position of the chamfering power head and an X-direction adjusting mechanism for adjusting the X-direction position of the chamfering power head,
the adjusting chamfering power head is movably arranged on the stand column through a Y-direction adjusting mechanism and an X-direction adjusting mechanism, the adjusting chamfering power head is horizontally arranged, a first sliding plate and a second sliding plate are arranged on an adjusting chamfering power head shell, the second sliding plate is fixed with the adjusting chamfering power head shell, the first sliding plate is connected with the second sliding plate through a linear moving pair, the first sliding plate is arranged on the stand column in a sliding mode, two guide rails are vertically arranged at the position, corresponding to the first sliding plate, of the stand column, and a sliding block is arranged on the first sliding plate and corresponds to the two guide rails;
the Y-direction adjusting mechanism comprises a first fixing block, a Y-direction screw rod and a flange sleeve, the flange sleeve is fixed at the edge of the first sliding plate, one end of the Y-direction screw rod extends into the flange sleeve and the first sliding plate, the Y-direction screw rod is in threaded connection with the first sliding plate, and the Y-direction screw rod is parallel to the guide rail; the other end of the Y-direction screw is rotatably connected with a first fixed block, the end part of the Y-direction screw extends out of the first fixed block, and the first fixed block is arranged on the upright post;
the X-direction adjusting mechanism comprises an adjusting block, an X-direction screw rod and a second fixing block, the adjusting block is fixed at the edge of the second sliding plate, one end of the X-direction screw rod extends into the adjusting block, the X-direction screw rod is in threaded connection with the adjusting block, and the X-direction screw rod is perpendicular to the Y-direction screw rod; the X is connected with the second fixed block to the other end of the screw rod in a rotating mode, the X extends out of the second fixed block to the end portion of the other end of the screw rod, and the second fixed block is fixed on the first sliding plate.
In order to improve the technical scheme of the utility model, the sliding plate is fixed on the side surface of the other supporting leg of the portal frame, the surface of the sliding plate is provided with a support, a bearing is arranged in the inner cavity of the support through a second spacer bush, and two ends of the bearing are respectively limited through a first flange and a second flange; the bearing inner ring is provided with a third spacer bush, and the other end of the cutter bar is arranged in the third spacer bush and in interference fit.
The technical proposal of the utility model is improved that the milling machine worktable comprises a lathe bed, a worktable surface and a linear motion part which drives the worktable surface to do linear motion on the lathe bed, the lathe bed is arranged on the ground, the worktable surface is arranged at the top of the lathe bed in a sliding way,
the linear motion part comprises a motor, a speed reducer, a gear and a rack, the motor and the speed reducer are vertically arranged in an inner cavity of the lathe bed, an output shaft of the speed reducer faces upwards, a shell of the speed reducer is connected with the lathe bed through a motor base, the gear is arranged on the output shaft of the speed reducer, the rack is arranged on the back of the working table and arranged along the length direction of the working table, and the rack is meshed with the gear.
It is right the utility model discloses technical scheme's improvement, table surface back indent sets up the draw-in groove, and table surface's draw-in groove card goes into the slider that the lathe bed top set up, and table surface and lathe bed set up the clamp plate that prevents draw-in groove and slider and break away from in the junction, and the clamp plate passes through the fix with screw on table surface.
To the improvement of the technical proposal of the utility model, the protective cover is arranged on the outer surface of the two sides of the working table.
Right the utility model discloses technical scheme's improvement, F shaped steel rail multistation planer-type milling machine still include two chip grooves, and two chip grooves set up respectively at the lathe bed top and are located table surface's both sides, and two chip grooves are located the below of two protection casings respectively, and the end of protection casing stretches into in the notch of chip groove. The protection casing is the swash plate and one end is connected the table surface lateral wall surface other end and is stretched into in the chip groove, and the waste material of processing is along the slope of protection casing, and automatic flow direction chip groove has practiced thrift the scavenging period, has improved efficiency.
The utility model has the advantages that:
the F-shaped steel rail multi-station planer type milling machine is reasonable in structure, convenient to operate and high in working efficiency, and can achieve F-shaped steel rail multi-station machining.
Drawings
Fig. 1 is a front view of the milling machine of the present invention.
FIG. 2 is a view taken from the direction A of FIG. 1 (which shows the F-section steel rail mounted to the table of the milling machine table by a clamp).
FIG. 3 is a view from direction B of FIG. 1 (illustrating the F-section steel rail mounted to the table of the milling machine table by the fixture).
Figure 4 is a schematic view of a hobbing cutter head assembly.
Fig. 5 is a schematic view of a chamfer milling head assembly.
FIG. 6 is a cross-sectional view of a milling machine table.
Fig. 7 is an enlarged view at C in fig. 4.
Detailed Description
The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.
In order to make the disclosure of the present invention more comprehensible, the following description is further made in conjunction with the accompanying drawings 1 to 7 and the detailed description.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, 2 and 3, the F-shaped steel rail multi-station planer type milling machine in the embodiment includes a milling machine table 1, a gantry 2, a hobbing cutter head device 3, an upright column 4 and a chamfering cutter head device 5.
As shown in fig. 1, 2 and 3, the milling machine table 1 is disposed on the ground, the portal frame 2 is disposed on the table surface 1-1 of the milling machine table 1, the hobbing cutter head device 3 is mounted on the portal frame 2, the column 4 is vertically disposed on the ground and located at the side edge of the milling machine table 1, and the chamfering cutter head device 5 is disposed on the column 4 and located on the side of the column pointing to the milling machine table 1.
In the embodiment, the F-shaped steel rail 7 is arranged on a working table surface 1-1 of a milling machine working table 1 through a clamp 8, the F-shaped steel rail 7 is driven to move to different stations through the movement of the working table surface 1-1, and the F-shaped steel rail 7 is processed at different stations.
The F-shaped steel rail 7 in this embodiment is mounted on the table top 1-1 of the milling machine table 1 through a clamp 8, which is conventional in the art, and this embodiment is not further limited.
As shown in fig. 4 and 7, the hobbing cutter head device 3 comprises a milling power head 3-1, a cutter bar 3-3, a first cutter head 3-4, a second cutter head 3-6 and a sliding plate 3-11, wherein the milling power head 3-1 is installed on the side surface of one supporting leg of the portal frame 2, one end of the cutter bar 3-3 is connected with the milling power head 3-1, the other end of the cutter bar 3-3 is rotatably arranged on the sliding plate 3-11, the sliding plate 3-11 is fixed on the side surface of the other supporting leg of the portal frame 2, the first cutter head 3-4 and the second cutter head 3-6 are both arranged on the cutter bar 3-3 and are fixed at axial positions through a locking nut 3-10, and a first spacer 3-5 is arranged between the first cutter head 3-4 and the second cutter head 3-.
As shown in fig. 7, a support 3-17 is arranged on the surface of a sliding plate 3-11, a bearing 3-14 is arranged in the inner cavity of the support 3-17 through a second spacer 3-15, and two ends of the bearing 3-14 are limited by a first flange 3-12 and a second flange 3-18 respectively; the inner ring of the bearing 3-14 is provided with a third spacer 3-16, and the other end of the cutter bar 3-3 is arranged in the third spacer 3-16 and is in interference fit.
As shown in fig. 2, the hobbing cutter head device 3 of the present embodiment simultaneously machines the angled inclined surfaces on the F-shaped rail 7 by the first cutter head 3-4 and the second cutter head 3-6.
As shown in FIG. 4, in the embodiment, the first cutter disc 3-4 and the second cutter disc 3-6 are arranged on the cutter bar 3-3 through keys, and meanwhile, in order to adapt to the F-shaped steel rails 7 with different sizes, the positions of the first cutter disc 3-4 and the second cutter disc 3-6 on the cutter bar 3-3 are adjusted, and after the positions are adjusted, the positions are fixed through a spacer bush and a locking nut 5-10.
In the embodiment, the milling power head 3-1 is an outsourcing standard component.
As shown in fig. 5, the chamfering and milling head device 5 includes a chamfering power head 5-5, a Y-direction adjusting mechanism for adjusting the Y-direction position of the chamfering power head 5-5, and an X-direction adjusting mechanism for adjusting the X-direction position of the chamfering power head 5-5.
The adjusting chamfering power head 5-5 is movably arranged on the upright post 4 through a Y-direction adjusting mechanism and an X-direction adjusting mechanism, the adjusting chamfering power head 5-5 is horizontally arranged, a first sliding plate 5-4 and a second sliding plate 5-10 are arranged on a shell of the adjusting chamfering power head 5-5, the second sliding plate 5-10 is fixed with the shell of the adjusting chamfering power head 5-5, the first sliding plate 5-4 is connected with the second sliding plate 5-10 through a linear moving pair, the first sliding plate 5-4 is arranged on the upright post 4 in a sliding mode, two guide rails 5-9 are vertically arranged at the position, corresponding to the first sliding plate 5-4, on the upright post 4, and sliding blocks are arranged on the first sliding plate 5-4 and corresponding to the two guide rails 5-9.
The Y-direction adjusting mechanism comprises a first fixing block 5-1, a Y-direction screw rod 5-2 and a flange sleeve 5-3, the flange sleeve 5-3 is fixed at the edge of a first sliding plate 5-4, one end of the Y-direction screw rod 5-2 extends into the flange sleeve 5-3 and the first sliding plate 5-4, the Y-direction screw rod 5-2 is in threaded connection with the first sliding plate 5-4, and the Y-direction screw rod 5-2 is parallel to a guide rail 5-9; the other end of the Y-direction screw rod 5-2 is rotatably connected with a first fixing block 5-1, the end part of the Y-direction screw rod 5-2 extends out of the first fixing block 5-1, and the first fixing block 5-1 is arranged on the upright post 4.
In the embodiment, the end part of the Y-direction screw 5-2 is rotated, and the Y-direction screw 5-2 rotates to drive the first sliding plate 5-4 to move along the guide rail 5-9, so that the position of the chamfering power head 5-5 in the Y direction is adjusted.
The X-direction adjusting mechanism comprises an adjusting block 5-7, an X-direction screw rod 5-6 and a second fixing block 5-8, the adjusting block 5-7 is fixed at the edge of the second sliding plate 5-10, one end of the X-direction screw rod 5-6 extends into the adjusting block 5-7, the X-direction screw rod 5-6 is in threaded connection with the adjusting block 5-7, and the X-direction screw rod 5-6 is vertically arranged with the Y-direction screw rod 5-2; the other end of the X-direction screw rod 5-6 is rotatably connected with a second fixed block 5-8, the end part of the other end of the X-direction screw rod 5-6 extends out of the second fixed block 5-8, and the second fixed block 5-8 is fixed on the first sliding plate 5-4.
In the embodiment, the end part of the X-direction screw rod 5-6 is rotated, and the X-direction screw rod 5-6 rotates to drive the second sliding plate 5-10 to move on the first sliding plate 5-4 along the linear moving pair, so that the position of the chamfering power head 5-5 in the X direction is adjusted.
The adjusting chamfer power head 5-5 in the embodiment is a purchased part.
As shown in fig. 3, in this embodiment, the F-shaped steel rail 7 is driven by the movement of the working table 1-1 to move to the position where the chamfering adjusting power head 5-5 is located, and the chamfering adjusting power head 5-5 processes the corner to be chamfered on the F-shaped steel rail 7.
As shown in figure 6, a milling machine workbench 1 comprises a machine body 1-6, a workbench surface 1-1 and a linear motion part for driving the workbench surface 1-1 to make linear motion on the machine body 1-6, the machine body 1-6 is arranged on the ground, the workbench surface 1-1 is arranged on the top of the machine body 1-6 in a sliding manner, a clamping groove is arranged on the back surface of the workbench surface 1-1 in a concave manner, the clamping groove of the workbench surface 1-1 is clamped into a sliding block arranged on the top of the machine body 1-6, a pressing plate 1-3 for preventing the clamping groove from being separated from the sliding block is arranged at the joint of the workbench surface 1-1 and the machine body 1-6, and the pressing plate 1-3. The linear motion part comprises motors 1-14, speed reducers 1-13, gears 1-8 and racks 1-7, the motors 1-14 and the speed reducers 1-13 are vertically arranged in inner cavities of the machine beds 1-6, output shafts of the speed reducers 1-13 face upwards, shells of the speed reducers 1-13 are connected with the machine beds 1-6 through motor bases 1-11, the gears 1-8 are arranged on the output shafts of the speed reducers 1-13, the racks 1-7 are arranged on the back of the working table top 1-1 and arranged along the length direction of the working table top 1-1, and the racks 1-7 are meshed with the gears 1-8.
In the milling machine workbench 1 of the embodiment, the motors 1-14 work, the gears 1-8 rotate to drive the racks 1-7 to move, and the workbench surface 1-1 moves.
As shown in figures 6 and 2, protective covers 1-2 are arranged on the outer surfaces of both sides of the working table surface 1-1. The F-shaped steel rail multi-station planomiller further comprises two chip grooves 6, the two chip grooves 6 are respectively arranged at the top of the lathe body 1-6 and located on two sides of the working table surface 1-1, the two chip grooves 6 are respectively located below the two protective covers 1-2, and the tail ends of the protective covers 1-2 extend into the notch of the chip grooves 6. In the embodiment, the protective cover 1-2 is an inclined plate, one end of the protective cover is connected with the outer surface of the side wall of the working table surface 1-1, the other end of the protective cover extends into the chip groove 6, processed waste materials automatically flow to the chip groove 6 along the slope of the protective cover, the cleaning time is saved, and the efficiency is improved.
Where not otherwise indicated herein, it will be appreciated that the invention is not limited to or by the prior art, but is capable of modifications and variations as will be apparent to those skilled in the art, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (6)

1. The utility model provides a F shaped steel rail multistation planer-type milling machine which characterized in that: comprises a milling machine workbench (1), a portal frame (2), a hobbing milling head device (3), an upright post (4) and a chamfering milling head device (5),
the milling machine workbench (1) is arranged on the ground, the portal frame (2) is arranged on a workbench surface (1-1) of the milling machine workbench (1), the hobbing milling head device (3) is installed on the portal frame (2), the upright column (4) is vertically arranged on the ground and positioned at the side edge of the milling machine workbench (1), and the chamfering milling head device (5) is arranged on the upright column (4) and positioned on the side surface of the upright column pointing to the milling machine workbench (1);
the hobbing cutter head device (3) comprises a milling power head (3-1), a cutter bar (3-3), a first cutter head (3-4), a second cutter head (3-6) and a sliding plate (3-11), wherein the milling power head (3-1) is installed on the side surface of one supporting leg of a portal frame (2), one end of the cutter bar (3-3) is connected with the milling power head (3-1), the other end of the cutter bar (3-3) is rotatably arranged on the sliding plate (3-11), the sliding plate (3-11) is arranged on the side surface of the other supporting leg of the portal frame (2), the first cutter head (3-4) and the second cutter head (3-6) are both arranged on the cutter bar (3-3) and are fixed at axial positions through locking nuts (3-10), a first spacer bush (3-5) is arranged between the first cutter head (3-4) and the second cutter head (3-6);
the chamfering milling head device (5) comprises a chamfering power head (5-5), a Y-direction adjusting mechanism for adjusting the Y-direction position of the chamfering power head (5-5) and an X-direction adjusting mechanism for adjusting the X-direction position of the chamfering power head (5-5),
the adjusting chamfering power head (5-5) is movably arranged on the upright post (4) through a Y-direction adjusting mechanism and an X-direction adjusting mechanism, the adjusting chamfering power head (5-5) is horizontally arranged, a first sliding plate (5-4) and a second sliding plate (5-10) are arranged on a shell of the adjusting chamfering power head (5-5), the second sliding plate (5-10) is fixed with the shell of the adjusting chamfering power head (5-5), the first sliding plate (5-4) is connected with the second sliding plate (5-10) through a linear moving pair, the first sliding plate (5-4) is arranged on the upright post (4) in a sliding manner, two guide rails (5-9) are vertically arranged at positions, corresponding to the positions where the first sliding plate (5-4) is arranged, on the first sliding plate (5-4), and sliders are arranged on the first sliding plate (5-4) corresponding to the two guide rails (5-;
the Y-direction adjusting mechanism comprises a first fixing block (5-1), a Y-direction screw rod (5-2) and a flange sleeve (5-3), the flange sleeve (5-3) is fixed at the edge of the first sliding plate (5-4), one end of the Y-direction screw rod (5-2) extends into the flange sleeve (5-3) and the first sliding plate (5-4), the Y-direction screw rod (5-2) is in threaded connection with the first sliding plate (5-4), and the Y-direction screw rod (5-2) is parallel to the guide rail (5-9); the other end of the Y-direction screw rod (5-2) is rotatably connected with a first fixing block (5-1), the end part of the Y-direction screw rod (5-2) extends out of the first fixing block (5-1), and the first fixing block (5-1) is arranged on the upright post (4);
the X-direction adjusting mechanism comprises an adjusting block (5-7), an X-direction screw rod (5-6) and a second fixing block (5-8), the adjusting block (5-7) is fixed at the edge of the second sliding plate (5-10), one end of the X-direction screw rod (5-6) extends into the adjusting block (5-7), the X-direction screw rod (5-6) is in threaded connection with the adjusting block (5-7), and the X-direction screw rod (5-6) and the Y-direction screw rod (5-2) are vertically arranged; the other end of the X-direction screw rod (5-6) is rotatably connected with a second fixed block (5-8), the end part of the other end of the X-direction screw rod (5-6) extends out of the second fixed block (5-8), and the second fixed block (5-8) is fixed on the first sliding plate (5-4).
2. The F-shaped steel rail multi-station planomiller according to claim 1, wherein a sliding plate (3-11) is fixed on the side surface of the other leg of the portal frame (2), a support (3-17) is arranged on the plate surface of the sliding plate (3-11), a bearing (3-14) is arranged in the inner cavity of the support (3-17) through a second spacer bush (3-15), and two ends of the bearing (3-14) are limited through a first flange (3-12) and a second flange (3-18) respectively; the inner ring of the bearing (3-14) is provided with a third spacer bush (3-16), and the other end of the cutter bar (3-3) is arranged in the third spacer bush (3-16) and is in interference fit.
3. An F-shaped steel rail multi-station planomiller according to claim 1, wherein the milling machine table (1) comprises a machine body (1-6), a working table surface (1-1) and a linear motion part for driving the working table surface (1-1) to do linear motion on the machine body (1-6), the machine body (1-6) is arranged on the ground, the working table surface (1-1) is arranged at the top of the machine body (1-6) in a sliding manner,
the linear motion component comprises motors (1-14), speed reducers (1-13), gears (1-8) and racks (1-7), the motors (1-14) and the speed reducers (1-13) are vertically arranged in inner cavities of the machine body (1-6), output shafts of the speed reducers (1-13) face upwards, a shell of each speed reducer (1-13) is connected with the machine body (1-6) through a motor base (1-11), the gears (1-8) are arranged on the output shafts of the speed reducers (1-13), the racks (1-7) are arranged on the back of the working table top (1-1) and arranged along the length direction of the working table top (1-1), and the racks (1-7) are meshed with the gears (1-8).
4. The F-shaped steel rail multi-station planomiller according to claim 3, wherein a clamping groove is concavely arranged on the back surface of the working table (1-1), the clamping groove of the working table (1-1) is clamped into a sliding block arranged on the top of the machine body (1-6), a pressing plate (1-3) for preventing the clamping groove from being separated from the sliding block is arranged at the joint of the working table (1-1) and the machine body (1-6), and the pressing plate (1-3) is fixed on the working table (1-1) through screws.
5. A F-shaped steel rail multi-station planomiller according to claim 3, wherein protective covers (1-2) are arranged on the outer surfaces of both sides of the working table (1-1).
6. An F-shaped steel rail multi-station planomiller according to claim 5, characterized in that the F-shaped steel rail multi-station planomiller further comprises two chip grooves (6), the two chip grooves (6) are respectively arranged at the top of the lathe bed (1-6) and positioned at two sides of the worktable surface (1-1), the two chip grooves (6) are respectively positioned below the two protective covers (1-2), and the tail ends of the protective covers (1-2) extend into the notches of the chip grooves (6).
CN201920781463.4U 2019-05-28 2019-05-28 F-shaped steel rail multi-station planer type milling machine Active CN210254422U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920781463.4U CN210254422U (en) 2019-05-28 2019-05-28 F-shaped steel rail multi-station planer type milling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920781463.4U CN210254422U (en) 2019-05-28 2019-05-28 F-shaped steel rail multi-station planer type milling machine

Publications (1)

Publication Number Publication Date
CN210254422U true CN210254422U (en) 2020-04-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920781463.4U Active CN210254422U (en) 2019-05-28 2019-05-28 F-shaped steel rail multi-station planer type milling machine

Country Status (1)

Country Link
CN (1) CN210254422U (en)

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