CN214685179U - Aluminum alloy section bar processingequipment - Google Patents
Aluminum alloy section bar processingequipment Download PDFInfo
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- CN214685179U CN214685179U CN202121301360.7U CN202121301360U CN214685179U CN 214685179 U CN214685179 U CN 214685179U CN 202121301360 U CN202121301360 U CN 202121301360U CN 214685179 U CN214685179 U CN 214685179U
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Abstract
The utility model relates to an aluminum alloy section bar processingequipment, which comprises a frame, rack-mounted has aircraft nose and workstation, the aircraft nose includes two-axis link gear, two-axis link gear is connected with vertical actuating mechanism, can drive two mutually perpendicular's direction motion of vertical actuating mechanism in the horizontal plane, vertical actuating mechanism passes through power unit and is connected with the cutter, workstation sliding connection has a plurality of clamping mechanism who are used for pressing from both sides tight section bar, two-axis link gear still installs adjusting part, adjusting part can be connected with clamping mechanism for clamping mechanism can follow the workstation motion under two-axis link gear's effect, the utility model discloses a processingequipment work efficiency is high, low in labor strength.
Description
Technical Field
The utility model relates to a machining equipment technical field, concretely relates to aluminum alloy ex-trusions processingequipment.
Background
The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.
The machine tool industry is a basic industry of the manufacturing industry, the numerical control equipment is a core product of the machine tool industry, along with the intensive and standardized development of door and window processing enterprises, more and more domestic and domestic large and medium-sized door and window processing enterprises need stable and reliable production lines which are suitable for the door and window industry and have higher automation degree, and the four-axis processing center is the most critical step and determines the efficiency and the precision of door and window processing and finally determines the overall quality of doors and windows.
A common special machining center for doors and windows (drilling and milling) in the market at present generally comprises a machine head on an x-axis Y-axis z-axis controlled by a numerical control system, and a workpiece clamped on a turnover worktable is machined. The common working tables are controlled by cylinders, and the inventor finds that the conventional machining center cannot be used for multi-position turning at any angle and cannot be used for multi-angle machining; the automatic clamp avoiding function is not provided, when the number of the workpiece processing positions is large, the clamp interferes with the processing positions, and the clamp needs to be manually moved to avoid the machine head; the laser engraving logo, trademark and coding function is not available; the tool magazine system is not available, and automatic tool changing cannot be realized; the function of scanning codes to call a processing program is not available; high manual participation, high labor intensity, low working efficiency and unstable cutting precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide an aluminum alloy ex-trusions processingequipment, need not artifical manual removal anchor clamps and dodge the aircraft nose, the function is many, and work efficiency is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, the embodiment of the utility model provides an aluminum alloy ex-trusions processingequipment, which comprises a frame, rack-mounted has aircraft nose and workstation, the aircraft nose includes two-axis link gear, two-axis link gear is connected with vertical actuating mechanism, can drive two mutually perpendicular's direction motion of vertical actuating mechanism in the horizontal plane, vertical actuating mechanism passes through power unit and is connected with the cutter, workstation sliding connection has a plurality of clamping mechanism who are used for pressing from both sides tight section bar, adjusting part is still installed to two-axis link gear, adjusting part can be connected with clamping mechanism, make clamping mechanism can follow the workstation motion under two-axis link gear's effect.
Optionally, the adjusting assembly includes a first lifting driving member, the first lifting driving member is connected to the shift lever, the clamping mechanism is provided with a jack matched with the shift lever, and the first lifting driving member can drive the shift lever to be inserted into the jack.
Optionally, one end of the workbench is connected with the rotation driving mechanism, the rotation driving mechanism can drive the workbench to rotate, the other end of the workbench is connected with the braking mechanism, and the braking mechanism is used for braking the rotation of the workbench.
Optionally, the clamping mechanism includes a clamping support slidably connected to the workbench, the two ends of the clamping support are provided with profile backup plates, and the profile backup plate at least one end is provided with a clamping element.
Optionally, the clamping mechanism is further provided with a locking mechanism, and the clamping mechanism can be locked and fixed with the workbench through the locking mechanism.
Optionally, the locking mechanism comprises a first locking plate fixedly connected with the clamping mechanism, the first locking plate is provided with a locking driving piece, the locking driving piece is connected with a second locking plate, and the locking driving piece can drive the second locking plate to move, so that the second locking plate and the first locking plate clamp or loosen a brake guide rail arranged on the workbench.
Optionally, a positioning driving piece is further arranged at the end part of one side of the workbench and connected with the positioning assembly, and the positioning driving piece is used for positioning the position of the profile on the workbench.
Optionally, the vertical driving mechanism is further connected with a second lifting driving piece, and the second lifting driving piece is connected with the laser engraving machine.
Optionally, still install the tool magazine driving piece in the frame, the tool magazine driving piece is connected with the tool magazine mounting panel, can drive the tool magazine mounting panel towards or keep away from the workstation motion, the tool magazine mounting panel has a plurality of cutters on the contrary.
Optionally, a tool setting gauge is further mounted on the tool magazine mounting plate.
The utility model has the advantages that:
1. the utility model discloses a processingequipment, two-axis linkage mechanism are provided with adjusting part, and adjusting part can be connected with clamping mechanism to make clamping mechanism can utilize two-axis linkage mechanism adjusting position, when processing position and clamping mechanism take place to interfere, can dodge clamping mechanism automatically, need not manual regulation, improved work efficiency.
2. The utility model discloses a processingequipment, workstation and rotation actuating mechanism are connected, and rotation actuating mechanism can drive the workstation and rotate for the formation can arbitrary angle multiposition upset, has realized multi-angle processing.
3. The utility model discloses a processingequipment has the laser engraving machine, has realized the function of sculpture logo, trade mark and code, and the function is diversified, has reduced the transfer of section bar between different processes.
4. The utility model discloses a processingequipment has the tool magazine mounting panel of being connected with the tool magazine driving piece, has placed a plurality of cutters on the tool magazine mounting panel, can realize automatic tool changing, and work efficiency is high, has reduced operating personnel's intensity of labour.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a handpiece in embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a workbench according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a tool magazine system according to embodiment 1 of the present invention;
the automatic tool magazine system comprises a machine frame 1, a machine head 2, a workbench 3 and a tool magazine system 4;
201, an X-axis bottom plate, 202, a sliding block, 203, an X-axis guide rail, 204, an X-axis servo motor, 205, a sliding block, 206, a Y-axis guide rail, 207, a Y-axis sliding seat, 208, a Y-axis servo motor, 209, a coupler, 210, a Y-axis lead screw, 211, a first lifting cylinder, 212, a cylinder seat, 213, a driving lever sliding seat, 214, a driving lever, 215, a Z-axis servo motor, 216, a synchronous belt, 217, a Z-axis guide rail, 218, a driven pulley, 219, a Z-axis lead screw, 220, a Z-axis sliding block, 221, a spindle motor, 222, a laser engraving machine, 223, a sliding block, 224, a laser engraving machine guide rail, 225, a spindle seat, 226, a cylinder seat, 227, a second lifting cylinder, 228, a tool holder, 229 and a tool;
301. the hydraulic press comprises a left adjusting seat, a left rotating support, a right rotating support, a turnover servo motor, a speed reducer, a left connecting flange, a working table plate, a positioning support, a push rod, a positioning cylinder, a guide rail, a sliding block, a section backup plate, a special section backup plate, a brake guide rail, a locking cylinder, a second locking plate, a clamping cylinder mounting plate, a first locking plate, a right connecting flange, a brake, a right rotating support, a right adjusting seat, a pressing seat and a clamping cylinder, wherein the left adjusting seat is 302, the left rotating support is 303, the turnover servo motor is 304, the speed reducer is 305, the left connecting flange is 306, the working table plate, the positioning plate is 307, the positioning support is 308, the positioning support, the pushing rod, the sliding block is 313, the section backup plate is 314, the special section backup plate, the brake guide rail is 315, the brake guide rail, the clamping cylinder is 316, the locking cylinder mounting plate is 319, the first locking plate, the right locking plate, the 320, the right connecting plate, the clamping cylinder is 320, the clamping cylinder mounting plate is 320, the clamping cylinder is used for clamping cylinder;
401. the tool setting device comprises a supporting plate, 402 sliding blocks, 403 guide rails, 404 tool magazine mounting plates, 405 air cylinder mounting plates, 406 tool magazine air cylinders, 407 tool claw seats, 408 connecting seats, 409 tools, 410 tool placing plates, 411 tool setting seats and 412 tool setting gauges.
Detailed Description
Example 1
The utility model provides an aluminum alloy section bar processingequipment, as shown in figure 1, includes frame 1, aircraft nose 2 is installed to the frame, and one side of aircraft nose is provided with workstation 3, is provided with a plurality of clamping mechanism that are used for fixed section bar on the workstation, and in this embodiment, the direction along whole processingequipment length in the definition horizontal plane is the first direction, and the direction perpendicular to the first direction is the second direction. The machine head is provided with a cutter, and the cutter can move along a first direction, a second direction and a vertical direction to process a profile workpiece arranged on the workbench.
The machine head comprises a two-shaft linkage mechanism installed on the machine frame, the two-shaft linkage mechanism is connected with a vertical driving mechanism and can drive the vertical driving mechanism to move along a first direction or a second direction, the vertical driving mechanism is connected with a power mechanism, the power mechanism is connected with a cutter, and the power mechanism can drive the cutter to rotate around the axis of the cutter, so that a workpiece is machined.
As shown in fig. 2, the two-axis linkage mechanism includes two X-axis guide rails 203 fixed on the worktable and arranged along a first direction, the X-axis guide rails are slidably connected to an X-axis base plate 201, specifically, a slider 202 is arranged on the X-axis base plate, and the slider is slidably connected to the X-axis guide rails, so that the X-axis base plate is slidably connected to the X-axis guide rails.
The X-axis movement driving part is fixed on the X-axis bottom plate, in the embodiment, the X-axis movement driving part adopts an X-axis servo motor 204, an output shaft of the X-axis servo motor is connected with a gear through a transmission mechanism, the gear is meshed with a rack arranged on a workbench, and the X-axis servo motor works to drive the X-axis bottom plate to move along a first direction.
The X-axis bottom plate is provided with a sliding block 205, the sliding block is connected with a Y-axis sliding seat 207 in a sliding mode, specifically, the bottom of the Y-axis sliding seat 207 is provided with a Y-axis guide rail 206 arranged along the second direction, and the Y-axis guide rail 206 is connected with the sliding block 205 in a sliding mode. The Y-axis slide can slide on the X-axis bottom plate along the second direction.
Y axle servo motor 208 is installed to the one end of keeping away from the workstation of Y axle slide, Y axle servo motor passes through shaft coupling 209 and is connected with the Y axle lead screw 210 that the axis set up along the second direction, be connected with screw nut on the Y axle lead screw, screw nut and X axle bottom plate fixed connection, consequently when Y axle servo motor drives Y axle lead screw and rotates, Y axle lead screw can drive Y axle slide and move along the second direction.
And one end of the Y-axis sliding seat, which is close to the workbench, is provided with a vertical driving mechanism, and the vertical driving mechanism is connected with the cutter and can drive the cutter to move along the vertical direction.
Vertical actuating mechanism is including fixing the vertical actuating mechanism fixed plate at Y axle slide tip, install two Z axle guide rails 217 along vertical distribution on the vertical actuating fixed plate, Z axle guide rail sliding connection has spindle drum 225, and is concrete, be provided with Z axle slider 220 on the spindle drum, Z axle slider and Z axle guide rail sliding connection.
Be provided with the driving piece backup pad on the vertical actuating mechanism fixed plate, install the vertical motion driving piece in the driving piece backup pad, in this embodiment, the vertical motion driving piece adopts Z axle servo motor 215, Z axle servo motor's output shaft and driving pulley are connected, it is connected with driven pulley 218 still to rotate in the driving piece backup pad, the wire-wound has hold-in range 216 between driving pulley and the driven pulley.
Driven pulleys are connected with axis along the Z axle feed screw 219 of vertical setting, can drive Z axle feed screw and rotate, be connected with Z axle feed screw nut on the Z axle feed screw, Z axle feed screw nut and main shaft seat fixed connection, Z axle feed screw nut can drive the main shaft seat along vertical motion.
The main shaft seat is provided with a power mechanism, the power mechanism adopts a main shaft motor 221, an output shaft of the main shaft motor is connected with a tool handle 228, the tool handle is connected with a tool 229, and the main shaft motor can drive the tool to rotate through the tool handle to machine the section.
A laser engraving machine 222 is further arranged on one side of the spindle motor and is connected with a second lifting driving piece, the second lifting driving piece adopts a second lifting cylinder 227, and the second lifting cylinder is fixed on the spindle base through a cylinder base 226.
For guiding the lifting movement of the laser engraving machine, the laser engraving machine is provided with a slide block 223 which is slidably connected with a laser engraving machine guide rail 224 provided at the spindle stock.
The laser engraving machine can do lifting motion under the effect of lift cylinder, and then realizes laser engraving machine's auto focus, carves according to the procedure that sets up in advance.
The side of the Y-axis sliding seat close to the end part of one side of the workbench is also provided with an adjusting component, the adjusting component can be connected with a clamping mechanism arranged on the workbench, and the two-axis linkage mechanism is utilized to drive the clamping mechanism to adjust the position of the workbench.
The adjusting component comprises a first lifting driving part, the first lifting driving part adopts a first lifting cylinder 211, the lifting cylinder is fixedly connected with a Y-axis sliding seat through a cylinder seat 212, a piston rod of the first lifting cylinder 211 is connected with an adjusting part, the adjusting part adopts a shifting rod 214, the first lifting cylinder can drive the shifting rod to do lifting motion, in order to guide the motion of the shifting rod, a shifting rod sliding seat 213 is further arranged on the Y-axis sliding seat, the shifting rod penetrates through the shifting rod sliding seat, and the shifting rod sliding seat is used for guiding the motion of the shifting rod.
The shifting rod moves up and down, and the Y-axis sliding seat can be switched between a connection state and a separation state with the clamping mechanism through the shifting rod.
The workbench is used for fixing the section to be processed and comprises a workbench plate 306 and a plurality of clamping mechanisms, one end of the workbench plate is connected with a turnover driving mechanism, and the turnover driving mechanism can drive the workbench plate to rotate, so that the workbench can be turned at any angle and at multiple positions, and multi-angle processing is realized.
The overturning driving mechanism comprises an overturning servo motor 303, the overturning servo motor is connected with a speed reducer 304, the speed reducer is fixed on a left rotating support 302, the left rotating support is fixedly connected with a left adjusting seat 301, and the left adjusting seat is detachably and fixedly connected with the rack through a bolt.
The output shaft of the speed reducer is fixedly connected with one end of the workbench plate through a left connecting flange 305, and can drive the workbench to rotate.
The other end of the workbench plate is connected with an output shaft of a brake 321 through a right connecting flange 320, the brake is used for braking the rotation of the workbench, the brake is fixed on a right rotating support 322, the right rotating support is fixedly connected with a right adjusting seat 323, and the right adjusting seat is detachably and fixedly connected with the frame.
The working table plate is provided with two guide rails 311 which are arranged along a first direction, and the guide rails are connected with a plurality of clamping mechanisms in a sliding manner and used for clamping the sectional materials.
One of the clamping mechanisms is taken as an example for explanation:
the clamping mechanism comprises a clamping support 326, a sliding block 312 is arranged at the bottom of the clamping support, the sliding block is connected with a guide rail 311 in a sliding mode, a profile backup plate 313 and a pressing seat 324 are arranged at two ends of the top surface of the clamping support respectively, a clamping element is installed on the pressing seat, the clamping element adopts a clamping cylinder 325, and the clamping cylinder can press the profile on the profile backup plate to fix the profile.
In order to clamp and fix the special profile conveniently, a special profile backup plate 314 is further arranged on the profile backup plate, and the shape and the installation position of the special profile backup plate are determined according to the special profile to be processed.
In this embodiment, be provided with on the section bar backup plate with driving lever assorted jack, the driving lever can insert under the effect of first lift driving piece the jack for clamping mechanism is connected with adjusting part, thereby can utilize two-axis link gear along first direction adjusting position on the workstation, avoids processing position and clamping mechanism mutual interference.
The clamping mechanism is further connected with a locking mechanism, and the clamping mechanism can be locked and fixed with the workbench through the locking mechanism.
The locking mechanism comprises a clamping cylinder mounting plate 318 fixedly connected with the bottom surface of the clamping support, a first locking plate 319 is arranged at the bottom of the clamping cylinder mounting plate, a locking driving part is mounted on the first locking plate, in the embodiment, the locking driving part adopts a locking cylinder 316, the cylinder body of the locking cylinder is fixed on the first locking plate, the piston rod of the locking cylinder is hinged to a second locking plate 317 through a pin shaft, a brake guide rail 315 is arranged on the working table plate, and the brake guide rail is arranged between the first locking plate and the second locking plate.
The locking cylinder can drive the second locking plate to move towards or away from the first locking plate, so that the switching of the states of clamping and loosening the brake guide rail by using the first locking plate and the second locking plate is realized, and the switching of the states of locking and loosening the clamping mechanism and the working table plate is further realized.
And the end part of one side of the working table plate, which is close to the overturning driving mechanism, is also provided with a positioning mechanism for positioning the section.
The positioning mechanism comprises a positioning plate 307, the positioning plate is rotatably connected with a positioning support 308 through a rotating shaft, the bottom of the positioning plate is fixedly connected with a push rod 309, the end part of the push rod is hinged with one end of a positioning driving piece, the other end of the positioning driving piece is hinged with a positioning base, and the positioning base is fixedly connected with the workbench plate.
In this embodiment, the positioning driving member employs a positioning cylinder 310, a cylinder body of the positioning cylinder is hinged to the positioning base, and a piston rod of the positioning cylinder is hinged to the end of the push rod.
The positioning cylinder works, the positioning plate can be driven to rotate around the rotating shaft through the push rod, when the positioning is needed, the positioning plate is rotated to be perpendicular to the working table plate, and when the positioning is not needed, the positioning plate is rotated to be parallel to the working table plate.
And the rack is also provided with a tool magazine system 4 which is arranged on the bottom surface of the rack area where the machine head is positioned.
The tool magazine system includes cylinder mounting panel 405, the both ends of cylinder mounting panel are fixed with backup pad 401, backup pad and frame fixed connection, the tool magazine driving piece is installed to the cylinder mounting panel, the tool magazine driving piece adopts tool magazine cylinder 406, the axis of tool magazine cylinder sets up along the second direction, the cylinder body and the cylinder mounting panel fixed connection of tool magazine cylinder, and the piston rod of tool magazine cylinder passes through connecting seat 408 and is connected with tool magazine mounting panel 404, the both ends of tool magazine mounting panel all are provided with guide rail 403, guide rail and the slider 402 sliding connection who sets up in the cylinder mounting panel bottom surface.
The end portion of the tool magazine mounting plate close to the workbench is fixedly provided with a tool claw seat 407, the tool claw seat is fixedly provided with a plurality of tool placing plates 410, the tool placing plates are provided with clamping grooves matched with tools, and the tools 409 are placed on the tool placing plates through the clamping grooves.
A tool setting seat 411 is further fixed at one side end of the tool claw seat, and a tool setting gauge 412 is installed on the tool setting seat, the tool setting gauge can be an existing tool setting gauge, and the specific structure of the tool setting gauge is not described in detail herein.
The device of this embodiment still with sweep a yard rifle and use, post bar code or two-dimensional code on the section bar of treating processing, through sweeping yard rifle scanning back, can generate the processing procedure to give your device's control system for the transmission, control system controls the work of each part of processingequipment according to the processing procedure of receiving, processes the work piece.
The working method of the processing device of the embodiment comprises the following steps: the positioning cylinder drives the positioning plate to rotate, so that the positioning plate is perpendicular to the working table plate, the profile to be processed is placed on the upper surfaces of the clamping supports of the clamping mechanisms, one side end face of the profile is attached to the positioning plate, and the clamping cylinder works to compress the profile on the profile backup plate.
The spindle motor drives the cutter to rotate, and the two-axis linkage mechanism and the vertical driving mechanism work in a matched mode, so that the cutter moves according to a preset program, and the section is machined.
The turnover driving mechanism works to drive the workbench to rotate, so that the multi-position processing of the workpiece is realized.
When the machining position and the clamping position of the clamping mechanism interfere with each other, the first lifting driving piece works, the driving lever is inserted into the slot formed in the profile backup plate, the two-shaft linkage mechanism drives the clamping mechanism to move along the first direction, so that the clamping mechanism leaves the position with the machined profile, then the driving lever resets, the clamping mechanism clamps the workpiece again, and the machine head machines the workpiece.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. The utility model provides an aluminum alloy ex-trusions processingequipment, includes the frame, frame-mounted has aircraft nose and workstation, and the aircraft nose includes two-axis link gear, and two-axis link gear is connected with vertical actuating mechanism, and vertical actuating mechanism passes through power unit and is connected with the cutter, and its characterized in that, workstation sliding connection have a plurality of clamping mechanism that are used for pressing from both sides tight section bar, and two-axis link gear still installs the adjusting part, and the adjusting part can be connected with clamping mechanism for clamping mechanism can move along the workstation under two-axis link gear's effect.
2. The aluminum alloy profile machining device as claimed in claim 1, wherein the adjusting assembly comprises a first lifting driving member, the first lifting driving member is connected with a shifting rod, the clamping mechanism is provided with a jack matched with the shifting rod, and the first lifting driving member can drive the shifting rod to be inserted into the jack.
3. The aluminum alloy profile machining device as claimed in claim 1, wherein the worktable is connected at one end thereof to a rotation driving mechanism capable of driving the worktable to rotate, and at the other end thereof to a braking mechanism for braking the worktable to rotate.
4. The aluminum alloy profile machining device as claimed in claim 1, wherein the clamping mechanism comprises a clamping support which is connected with the workbench in a sliding mode, a profile backup plate and a pressing seat are arranged at two ends of the clamping support, and a clamping piece is arranged on the pressing seat.
5. An aluminum alloy profile processing apparatus as recited in claim 1, wherein the clamping mechanism is further provided with a locking mechanism, and the clamping mechanism can be locked and fixed with the worktable by the locking mechanism.
6. The aluminum alloy profile machining device as claimed in claim 5, wherein the locking mechanism comprises a first locking plate fixedly connected with the clamping mechanism, the first locking plate is provided with a locking driving member, the locking driving member is connected with a second locking plate, and the locking driving member can drive the second locking plate to move, so that the second locking plate and the first locking plate clamp or loosen a brake guide rail arranged on the workbench.
7. The aluminum alloy profile machining device as claimed in claim 1, wherein a positioning plate is further provided at one side end of the worktable, the positioning plate is rotatably connected to the positioning support, the positioning plate is connected to a positioning driving member mounted on the worktable, and the positioning driving member can drive the positioning plate to rotate.
8. The aluminum alloy profile machining device as claimed in claim 1, wherein a second lifting driving member is further connected to the vertical driving mechanism, and the second lifting driving member is connected to the laser engraving machine.
9. The aluminum alloy profile machining device as claimed in claim 1, wherein a tool magazine driving member is further mounted on the machine frame, the tool magazine driving member is connected with the tool magazine mounting plate and can drive the tool magazine mounting plate to move towards or away from the workbench, and a plurality of tools are placed on the tool magazine mounting plate.
10. The aluminum alloy profile machining device as claimed in claim 9, wherein a tool setting gauge is further mounted on the tool magazine mounting plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121301360.7U CN214685179U (en) | 2021-06-09 | 2021-06-09 | Aluminum alloy section bar processingequipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121301360.7U CN214685179U (en) | 2021-06-09 | 2021-06-09 | Aluminum alloy section bar processingequipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211083A (en) * | 2021-06-09 | 2021-08-06 | 济南西格玛数控设备有限公司 | Aluminum alloy section bar processingequipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211083A (en) * | 2021-06-09 | 2021-08-06 | 济南西格玛数控设备有限公司 | Aluminum alloy section bar processingequipment |
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