CN219503491U - Aluminum alloy plate bending device for industrial aluminum alloy profile - Google Patents

Aluminum alloy plate bending device for industrial aluminum alloy profile Download PDF

Info

Publication number
CN219503491U
CN219503491U CN202320353174.0U CN202320353174U CN219503491U CN 219503491 U CN219503491 U CN 219503491U CN 202320353174 U CN202320353174 U CN 202320353174U CN 219503491 U CN219503491 U CN 219503491U
Authority
CN
China
Prior art keywords
aluminum alloy
groove
plate
rotating disc
workbench
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320353174.0U
Other languages
Chinese (zh)
Inventor
胡正林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Zhibo Industrial Aluminum Profile Technology Co ltd
Original Assignee
Anhui Zhibo Industrial Aluminum Profile Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Zhibo Industrial Aluminum Profile Technology Co ltd filed Critical Anhui Zhibo Industrial Aluminum Profile Technology Co ltd
Priority to CN202320353174.0U priority Critical patent/CN219503491U/en
Application granted granted Critical
Publication of CN219503491U publication Critical patent/CN219503491U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The utility model relates to the technical field of aluminum alloy plate bending, in particular to an aluminum alloy plate bending device for an industrial aluminum alloy section, which comprises a workbench, wherein an angle line is fixedly arranged on the workbench, a rotating disc is arranged on the workbench and positioned in the angle line, a power component for driving the rotating disc to rotate is arranged at the bottom of the workbench, arrows are symmetrically and fixedly arranged on two sides of the rotating disc, and a fixed column is fixedly arranged at the central position of the top of the rotating disc.

Description

Aluminum alloy plate bending device for industrial aluminum alloy profile
Technical Field
The utility model relates to the technical field of aluminum alloy plate bending, in particular to an aluminum alloy plate bending device for an industrial aluminum alloy profile.
Background
Aliases of industrially produced aluminum alloy sections: the industrial aluminum extruded material and the industrial aluminum alloy section are alloy materials taking aluminum as a main component, aluminum bars are extruded through hot melting to obtain aluminum materials with different cross section shapes, such as aluminum alloy plates, aluminum alloy blocks and the like, but the proportion of added alloy is different, and the mechanical properties and the application fields of the produced industrial aluminum section are also different.
In the prior art, in order to meet the use conditions, an industrial manufacturer is generally required to bend the aluminum alloy plate into a structure which accords with the use conditions, and as the bending die structure on the bending machine used by the small industrial manufacturer is single, certain limitation exists on bending the aluminum alloy plate into angles which are out of 30 degrees, 45 degrees, 90 degrees and 180 degrees, and the aluminum alloy plate cannot be directly determined by naked eyes; and to bending the aluminium alloy plate material that thickness is different, need to change to the bending mould, the change process is more loaded down with trivial details, too much more waste time, in view of this, we propose an aluminium alloy plate material bending device for industry aluminium alloy ex-trusions.
Disclosure of Invention
The utility model aims to provide an aluminum alloy plate bending device for an industrial aluminum alloy profile, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an industry aluminium alloy ex-trusions is with aluminium alloy plate bending device, includes the workstation, fixed mounting has the angle line on the workstation, be equipped with the rolling disc on the workstation and be located the angle line, the bottom of workstation is equipped with and is used for driving rolling disc pivoted power component, the bilateral symmetry fixed mounting of rolling disc has the arrow, the central point department fixed mounting in rolling disc top has the fixed column, the spacing groove has been seted up at the top of rolling disc and is located one side of fixed column, slidable mounting has the stopper in the spacing groove, the top fixed mounting of stopper has the stripper plate, be equipped with the drive assembly who is used for driving the stopper displacement in the spacing groove, T-shaped groove has been seted up at the top of workstation and is located one side of rolling disc, slidable mounting has the T-shaped plate in the T-shaped groove, the top fixed mounting of T-shaped plate has the baffle, be equipped with the screw thread subassembly that is used for driving T-shaped plate displacement in the T-shaped groove.
Preferably, the power assembly comprises a motor, the motor is fixedly arranged at the bottom of the workbench, an output shaft of the motor penetrates through the workbench and is fixed with the rotating disc, and an output shaft of the motor is rotationally connected with the workbench.
Preferably, the driving assembly comprises a first rotary table and a first threaded column, a first rotating groove is formed in the limiting block, the first rotary table is rotatably installed in the first rotating groove, a first threaded hole corresponding to the first rotating groove is formed in one side of the limiting groove, one end of the first threaded column is fixedly installed on the first rotary table, and the other end of the first threaded column penetrates through the first rotating groove and the first threaded hole.
Preferably, the first threaded column is rotationally connected with the first rotating groove, and the first threaded column is in threaded connection with the first threaded hole.
Preferably, the thread component comprises a second rotary table and a second thread column, a second rotating groove is formed in the T-shaped plate, the second rotary table is rotatably arranged in the second rotating groove, a second threaded hole corresponding to the second rotating groove is formed in one side of the T-shaped groove, one end of the second thread column is fixedly arranged on the second rotary table, and the other end of the second thread column penetrates through the second rotating groove and the second threaded hole.
Preferably, the second threaded column is rotationally connected with the second rotating groove, and the second threaded column is in threaded connection with the second threaded hole.
Preferably, the bottom of the baffle plate and the top of the workbench are on the same horizontal plane, the bottom of the extrusion plate and the top of the rotating disc are on the same horizontal plane, and the top of the fixed column, the top of the extrusion plate and the top of the baffle plate are on the same horizontal plane.
Compared with the prior art, the utility model has the beneficial effects that:
1. this aluminium alloy plate bending device for industry aluminium alloy ex-trusions, through the drive assembly who sets up, thread module, the rolling disc, the fixed column, stripper plate and baffle, drive assembly can drive the stripper plate and be close to or keep away from to the fixed column on the rolling disc, ensure that the aluminium alloy plate of different thickness can both put into on the rolling disc, and thread module can drive baffle and stripper plate keep parallelism, when guaranteeing that the rolling disc rotates, the stripper plate can carry aluminium alloy plate extrusion to bend on the fixed column, the partial structure of aluminium alloy plate is kept original structure by the barrier of baffle, ensure to need not to change the mould of bending when bending to aluminium alloy plate that the thickness is different, and easy operation avoids personnel extravagant time, prevents personnel's abrasive to work.
2. This aluminium alloy plate bending device for industry aluminium alloy ex-trusions through motor, arrow head, rolling disc and angle line that set up, and the rolling disc rotates under the drive of motor, can make two arrow heads rotate along with the rolling disc is slow together, guarantees that personnel can clearly watch the angle that the arrow head indicated angle line rotated, lets personnel disconnect the power of motor at any time, makes personnel can bend aluminium alloy plate into 30, 45, 90 and 180 outside angles, lets aluminium alloy plate can bend into the angle of multiple other conforming structures, ensures that aluminium alloy plate is bent the in-process that personnel's naked eye can directly confirm the angle that will bend into at any time.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the area structure of the workbench according to the utility model;
FIG. 3 is a schematic cross-sectional view of a rotatable disk of the present utility model;
FIG. 4 is a schematic view of a partial explosion in the present utility model;
FIG. 5 is a schematic view showing the internal structure of the workbench in detail;
fig. 6 is a schematic cross-sectional view of a T-shaped plate according to the present utility model.
In the figure: 1. a work table; 11. a T-shaped groove; 2. an angle line; 3. a rotating disc; 31. a limit groove; 32. a first threaded hole; 33. arrows; 4. fixing the column; 5. a limiting block; 51. an extrusion plate; 52. a first rotating groove; 6. a first turntable; 61. a first threaded post; 7. a T-shaped plate; 71. a second rotating groove; 72. a baffle; 8. a second turntable; 81. a second threaded post; 9. and a motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-6, the present utility model provides a technical solution:
an aluminum alloy plate bending device for industrial aluminum alloy profiles comprises a workbench 1, an angle line 2 is fixedly arranged on the workbench 1, a rotating disc 3 is arranged on the workbench 1 and positioned in the angle line 2, a power component used for driving the rotating disc 3 to rotate is arranged at the bottom of the workbench 1, arrows 33 are symmetrically and fixedly arranged on two sides of the rotating disc 3, a fixed column 4 is fixedly arranged at the central position of the top of the rotating disc 3, a limit groove 31 is formed in the top of the rotating disc 3 and positioned on one side of the fixed column 4, a limit block 5 is slidably arranged in the limit groove 31, a squeeze plate 51 is fixedly arranged at the top of the limit block 5, a driving component used for driving the limit block 5 to move is arranged in the limit groove 31, a T-shaped groove 11 is formed in the top of the workbench 1 and positioned on one side of the rotating disc 3, a baffle 72 is fixedly arranged at the top of the T-shaped plate 7 in a sliding manner, a thread component used for driving the T-shaped plate 7 to move is arranged in the T-shaped groove 11, through the driving component, the thread component, the angle line 2, the rotating disc 3, the arrow 33, the fixed column 4, the extrusion plate 51 and the baffle 72, the driving component can drive the extrusion plate 51 to approach or separate from the rotating disc 3 towards the fixed column 4, aluminum alloy plates with different thicknesses can be placed on the rotating disc 3, the thread component can drive the baffle 72 to keep parallel with the extrusion plate 51, when the rotating disc 3 rotates, the extrusion plate 51 is ensured to bend on the fixed column 4 with the aluminum alloy plates, part of the aluminum alloy plates is blocked by the baffle 72 to keep the original structure, the bending die does not need to be replaced in the process, the operation is simple, the waste of time by personnel is avoided, and the personnel is prevented from grinding; the rotating disc 3 is driven by the power assembly to rotate, so that the two arrows 33 can slowly rotate along with the rotating disc 3, a person can clearly observe the angle rotated by the angle line 2 indicated by the arrows 33, the person can disconnect the power supply of the power assembly at any time, the person can bend the aluminum alloy plate to angles out of 30 degrees, 45 degrees, 90 degrees and 180 degrees, the aluminum alloy plate can be bent to angles of various other conforming structures, and the angle to be bent can be directly determined by naked eyes of the person at any time in the bending process of the aluminum alloy plate.
In this embodiment, power component includes motor 9, and motor 9 fixed mounting is in the bottom of workstation 1, and the output shaft of motor 9 runs through workstation 1 and rolling disc 3 fixedly, and the output shaft of motor 9 is connected with workstation 1 rotation, ensures that motor 9 can normally work on workstation 1, and when motor 9 switch on, the output shaft of motor 9 can drive rolling disc 3 slow rotation.
In this embodiment, the driving assembly includes a first rotating disc 6 and a first threaded column 61, a first rotating groove 52 is formed in the limiting block 5, the first rotating disc 6 is rotatably installed in the first rotating groove 52, a first threaded hole 32 corresponding to the position of the first rotating groove 52 is formed in one side of the limiting groove 31, one end of the first threaded column 61 is fixedly installed on the first rotating disc 6, the other end of the first threaded column 61 passes through the first rotating groove 52 and the first threaded hole 32, rotation of the first threaded column 61 is ensured, the first threaded column 61 can move forwards or backwards in the first threaded hole 32 under the action of threads, one end of the first threaded column 61 drives the first rotating disc 6 to rotate in the first rotating groove 52, meanwhile, the first rotating disc 6 can drive the limiting block 5 to move in the limiting groove 31, so that the limiting block 5 drives the squeeze plate 51 to approach or separate from the fixed column 4, aluminum alloy plates with different thicknesses can be placed into the rotating disc 3 for bending, and the bending die is not required to be replaced.
In this embodiment, the first threaded post 61 is rotatably connected to the first rotation groove 52, and the first threaded post 61 is screwed to the first threaded hole 32, so that the first threaded post 61 can rotate normally in the first rotation groove 52 and the first threaded hole 32.
In this embodiment, the screw assembly includes a second rotary table 8 and a second screw thread post 81, a second rotary groove 71 is provided in the T-shaped plate 7, the second rotary table 8 is rotatably installed in the second rotary groove 71, a second screw hole corresponding to the position of the second rotary groove 71 is provided at one side of the T-shaped groove 11, one end of the second screw thread post 81 is fixedly installed on the second rotary table 8, the other end of the second screw thread post 81 passes through the second rotary groove 71 and the second screw hole, when the aluminum alloy plate is placed between the fixed post 4 and the extrusion plate 51, the second screw thread post 81 can be rotated, under the action of the screw thread, the second screw thread post 81 can move forward or backward in the second screw hole, so that one end of the second screw thread post 81 drives the second rotary table 8 to rotate in the second rotary groove 71 and drives the T-shaped plate 7 to move in the T-shaped groove 11, and the T-shaped plate 7 drives the baffle 72 to move on the workbench 1, so that the baffle 72 and the extrusion plate 51 are kept parallel and the baffle 72 is tightly abutted against the aluminum alloy plate, ensuring the structural stability of the aluminum alloy plate.
In this embodiment, the second threaded post 81 is rotatably connected to the second rotating groove 71, and the second threaded post 81 is screwed to the second threaded hole, so that the second threaded post 81 can rotate normally in the second rotating groove 71 and the second threaded hole.
In this embodiment, the bottom of the baffle 72 is on the same horizontal plane as the top of the workbench 1, the bottom of the extrusion plate 51 is on the same horizontal plane as the top of the rotating disc 3, the top of the fixing column 4 is on the same horizontal plane as the top of the extrusion plate 51 and the top of the baffle 72, so that when the aluminum alloy plate is extruded on the fixing column 4 by the extrusion plate 51, the baffle 72 can tightly abut against the aluminum alloy plate, and when the aluminum alloy plate is bent, the aluminum alloy plate is blocked by the baffle 72 to keep the original structure.
When the aluminum alloy plate bending device for the industrial aluminum alloy section is used, the driving assembly can drive the extrusion plate 51 to approach or separate from the fixed column 4 on the rotating disc 3, so that aluminum alloy plates with different thicknesses can be placed on the rotating disc 3, the screw thread assembly can drive the baffle 72 to be parallel to the extrusion plate 51, when the output shaft of the motor 9 drives the rotating disc 3 to rotate, the extrusion plate 51 rotates along with the rotating disc 3, the extrusion plate 51 bends on the fixed column 4 with the aluminum alloy plate extrusion, part of the aluminum alloy plate structure is blocked by the baffle 72 to keep the original structure, when aluminum alloy plates with different thicknesses are bent, a bending die is not required to be replaced, the operation is simple, the waste of time of personnel is avoided, and the personnel are prevented from being ground;
when the output shaft of the motor 9 drives the rotating disc 3 to rotate, the two arrows 33 can slowly rotate along with the rotating disc 3, so that a person can clearly watch the angle rotated by the angle line 2 indicated by the arrows 33, the person can disconnect the power supply of the motor 9 at any time, the person can bend the aluminum alloy plate to angles out of 30 degrees, 45 degrees, 90 degrees and 180 degrees, the aluminum alloy plate can be bent to angles of various other conforming structures, and the angle to be bent can be directly determined by naked eyes of the person at any time in the bending process of the aluminum alloy plate.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. Aluminum alloy plate bending device for industrial aluminum alloy section bar, including workstation (1), its characterized in that: the utility model is characterized in that an angle line (2) is fixedly arranged on the workbench (1), a rotating disc (3) is arranged on the workbench (1) and positioned in the angle line (2), a power component used for driving the rotating disc (3) to rotate is arranged at the bottom of the workbench (1), arrows (33) are symmetrically and fixedly arranged on two sides of the rotating disc (3), a fixed column (4) is fixedly arranged at the central position of the top of the rotating disc (3), a limit groove (31) is formed in the top of the rotating disc (3) and positioned on one side of the fixed column (4), the utility model discloses a T-shaped plate displacement limiting device, including limiting groove (31), limiting plate (5) are installed to slidable movement in limiting groove (31), stripper plate (51) are installed to the top fixed mounting of limiting plate (5), be equipped with the drive assembly who is used for driving the displacement of limiting plate (5) in limiting groove (31), T-shaped groove (11) have been seted up at the top of workstation (1) and are located one side of rolling disc (3), slidable movement has T-shaped plate (7) in T-shaped groove (11), baffle (72) are installed to the top fixed mounting of T-shaped plate (7), be equipped with the screw thread subassembly that is used for driving T-shaped plate (7) displacement in T-shaped groove (11).
2. The aluminum alloy plate bending device for industrial aluminum alloy profiles according to claim 1, wherein: the power assembly comprises a motor (9), the motor (9) is fixedly arranged at the bottom of the workbench (1), an output shaft of the motor (9) penetrates through the workbench (1) and is fixed with the rotating disc (3), and an output shaft of the motor (9) is rotationally connected with the workbench (1).
3. The aluminum alloy plate bending device for industrial aluminum alloy profiles according to claim 1, wherein: the driving assembly comprises a first rotary table (6) and a first threaded column (61), a first rotary groove (52) is formed in the limiting block (5), the first rotary table (6) is rotatably installed in the first rotary groove (52), a first threaded hole (32) corresponding to the first rotary groove (52) is formed in one side of the limiting groove (31), one end of the first threaded column (61) is fixedly installed on the first rotary table (6), and the other end of the first threaded column (61) penetrates through the first rotary groove (52) and the first threaded hole (32).
4. An aluminum alloy sheet bending apparatus for industrial aluminum alloy profiles as set forth in claim 3, wherein: the first threaded column (61) is rotatably connected with the first rotating groove (52), and the first threaded column (61) is in threaded connection with the first threaded hole (32).
5. The aluminum alloy plate bending device for industrial aluminum alloy profiles according to claim 1, wherein: the screw thread subassembly includes second carousel (8) and second screw thread post (81), second rotation groove (71) have been seted up in T shaped plate (7), second carousel (8) rotate and install in second rotation groove (71), the second screw hole corresponding with second rotation groove (71) position is seted up to one side in T shaped groove (11), the one end fixed mounting of second screw thread post (81) is on second carousel (8), the other end of second screw thread post (81) passes second rotation groove (71) and second screw hole.
6. The aluminum alloy plate bending device for industrial aluminum alloy profiles according to claim 5, wherein: the second threaded column (81) is rotatably connected with the second rotating groove (71), and the second threaded column (81) is in threaded connection with the second threaded hole.
7. The aluminum alloy plate bending device for industrial aluminum alloy profiles according to claim 1, wherein: the bottom of the baffle (72) and the top of the workbench (1) are on the same horizontal plane, the bottom of the extrusion plate (51) and the top of the rotating disc (3) are on the same horizontal plane, and the top of the fixed column (4) and the top of the extrusion plate (51) and the top of the baffle (72) are on the same horizontal plane.
CN202320353174.0U 2023-02-25 2023-02-25 Aluminum alloy plate bending device for industrial aluminum alloy profile Active CN219503491U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320353174.0U CN219503491U (en) 2023-02-25 2023-02-25 Aluminum alloy plate bending device for industrial aluminum alloy profile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320353174.0U CN219503491U (en) 2023-02-25 2023-02-25 Aluminum alloy plate bending device for industrial aluminum alloy profile

Publications (1)

Publication Number Publication Date
CN219503491U true CN219503491U (en) 2023-08-11

Family

ID=87523864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320353174.0U Active CN219503491U (en) 2023-02-25 2023-02-25 Aluminum alloy plate bending device for industrial aluminum alloy profile

Country Status (1)

Country Link
CN (1) CN219503491U (en)

Similar Documents

Publication Publication Date Title
CN211925319U (en) Monitoring camera with wide monitoring range
CN219503491U (en) Aluminum alloy plate bending device for industrial aluminum alloy profile
CN212285421U (en) Bending device for steel structure machining
CN218307541U (en) Pretreatment device for forming mirror surface metal composite layer by spraying super-leveling powder
CN210188927U (en) Welding positioning device of steel shell
CN114101405A (en) Anti-slip bending machine for machining stable metal plates
CN113441588A (en) Stamping side flanging die
CN218202998U (en) Tin scraping device for metal wire
CN215432280U (en) Locking mechanism of metal plate welding clamp
CN219541515U (en) Metal stamping die
CN211990438U (en) Stamping forming die based on FFC stiffening plate material
CN215543807U (en) Extruder for producing aluminum alloy section
CN217667992U (en) Die-casting aluminum alloy safety housing processing frock
CN210968101U (en) Superhard materials spiral milling cutter's processingequipment
CN220329647U (en) Copper processing extrusion device
CN216096704U (en) Cutting device for preparing high-strength copper alloy
CN215281402U (en) Polishing device for aluminum material
CN220805176U (en) Stamping die is with fixed frock
CN215697108U (en) Sheet metal bending device for construction
CN218395702U (en) Steel bar bending machine
CN213456475U (en) Steel bar bending tester
CN220533601U (en) Mould part processing operation panel
CN211029006U (en) A carousel for hardware mould processing
CN219616845U (en) Cutting device for aluminum alloy processing
CN210024857U (en) Sheet metal part polishing device convenient for angle adjustment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant