CN113828845A - Cutting device for fireproof metal composite plate - Google Patents
Cutting device for fireproof metal composite plate Download PDFInfo
- Publication number
- CN113828845A CN113828845A CN202010592033.5A CN202010592033A CN113828845A CN 113828845 A CN113828845 A CN 113828845A CN 202010592033 A CN202010592033 A CN 202010592033A CN 113828845 A CN113828845 A CN 113828845A
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- Prior art keywords
- plate
- metal composite
- rod
- pressing
- positioning table
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- 239000002905 metal composite material Substances 0.000 title claims abstract description 59
- 238000005520 cutting process Methods 0.000 title claims abstract description 58
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 9
- 239000002173 cutting fluid Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 230000009970 fire resistant effect Effects 0.000 claims 6
- 230000002457 bidirectional effect Effects 0.000 abstract description 14
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D19/00—Shearing machines or shearing devices cutting by rotary discs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a cutting device for fireproof metal composite plates, which comprises a base, a positioning table and a cutting device, wherein the front end and the rear end of the positioning table are respectively provided with a fixed plate, a screw rod is connected with the inner part of one fixed plate in a threaded manner, one end of the screw rod is rotatably connected with a positioning plate, one side of the positioning plate is provided with a pressing device, the pressing device comprises a mounting frame, the upper part of the mounting frame is rotatably provided with a bidirectional screw rod, the left part and the right part of the bidirectional screw rod are respectively provided with a nut in a threaded manner, the lower ends of the nuts are respectively rotatably connected with connecting rods, the lower ends of the two connecting rods are hinged with a pressing plate, the left end and the right end of the pressing plate are respectively connected with the outer wall of the mounting frame in a penetrating and sliding manner, the structural design is reasonable, the bidirectional screw rod is arranged to rotate to drive the two nuts to move in opposite directions, the pressing plate is pressed down through the connecting rod, the metal composite plate is positioned through the matching of the fixed plate and the positioning plate, the movable groove is matched with the movable shaft, and the pressing rod can be rotated to enable the movable rod to drive the cutter to lift and cut.
Description
Technical Field
The invention relates to the technical field of cutting devices, in particular to a cutting device for a fireproof metal composite plate.
Background
The metal composite plate is a composite material formed by utilizing various composite technologies to realize metallurgical bonding of metals with different properties on an interface, so that the effects of saving resources and reducing cost are realized on the premise of not reducing the using effect (corrosion resistance, mechanical strength and the like), and through proper material selection and reasonable structural design, the metal composite plate can greatly improve a plurality of properties such as thermal expansibility, strength, toughness, wear resistance, corrosion resistance, electrical property, magnetic property and the like of a single metal material, so that the metal composite plate is widely applied to the industrial fields of petroleum, chemical engineering, ships, metallurgy, electric power, water conservancy, traffic, environmental protection, food, pharmacy and the like.
The metal composite plate needs to be positioned during cutting and machining, the existing cutting device basically adopts the positioning plate to horizontally position the metal composite plate, and the metal composite plate is easy to deform and deviate when being thin and has certain defects.
Therefore, a fireproof metal composite plate cutting device is provided.
Disclosure of Invention
The invention provides a cutting device for a fireproof metal composite plate, and aims to compress the metal composite plate, facilitate positioning of the metal composite plate and avoid deformation and deviation of the metal composite plate.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a fireproof metal composite plate cutting device comprises a base, wherein a positioning table is slidably mounted on the upper surface of the base through a plurality of sliding rods, a cutting device for cutting a metal composite plate is arranged on one side of the positioning table on the upper surface of the front end and the rear end of the positioning table, a fixed plate is fixedly arranged on the upper surface of the front end and the rear end of the positioning table, a screw rod is in threaded connection with one end of the fixed plate, the screw rod is close to the center of the positioning table, one end of the screw rod is rotatably connected with a positioning plate, the lower end of the positioning plate is slidably connected with the upper surface of the positioning table, a pressing device for pressing the metal composite plate is arranged on the upper surface of the positioning table on one side of the positioning plate, the pressing device comprises a mounting frame fixedly mounted on the upper surface of the positioning table, a bidirectional screw rod is arranged on the upper portion of the mounting frame, two ends of the bidirectional screw rod are rotatably mounted on the left end and the right end of the mounting frame respectively, nuts are in threaded mounting on the left end and the right end of the bidirectional screw rod respectively, the nut lower extreme all rotates and is connected with the connecting rod, two the connecting rod lower extreme articulates there is the pressure strip, the pressure strip left and right ends all with mounting bracket outer wall runs through sliding connection.
Preferably, in the above-mentioned fire prevention metal composite board cutting device, two-way lead screw one end is run through and is extended to the mounting bracket outside, two-way lead screw extends to mounting bracket outside one end fixed mounting has the carousel.
Based on the technical characteristics, the turntable is arranged to facilitate the rotation of the bidirectional screw rod.
Preferably, in the above cutting device for fire-proof metal composite plates, cushions are disposed on the sides of the positioning plates, which are far away from the screw, and on the bottom surfaces of the pressing plates.
Based on the technical characteristics, the buffer cushion is arranged, the buffer effect is realized when the metal composite plate is positioned, and the deformation of the metal composite plate is avoided.
Preferably, among the above-mentioned fire prevention metal composite panel cutting device, cutting device includes fixed mounting and is in the mount pad of base upper surface, mount pad upper surface front and back end all is through bracing piece fixedly connected with mounting panel, the vertical sliding mounting that runs through on the mounting panel has the movable rod, the fixed cutterbar that is equipped with of movable rod lower extreme, the movable rod upper end is equipped with the gag collar, the movable rod outer wall is located the gag collar below cover is equipped with compression spring, the movable rod upper end has the loose axle through dead lever fixed mounting, the loose axle outer wall has the pressure bar through activity groove sliding connection, it articulates to press bar one end the mounting panel upper surface, it is equipped with the handle to press the bar other end.
Based on above-mentioned technical characteristics, set up compression spring, make the movable rod shift up under compression spring effect, make the cutterbar keep the take the altitude, set up loose axle and activity groove cooperation, make and to rotate according to the depression bar and to make the loose axle drive the movable rod and realize going up and down, the movable rod drives the cutterbar and realizes going up and down to metal clad sheet's cutting.
Preferably, in the above fire-proof metal composite plate cutting device, the upper surface of the mounting seat is located below the cutter, and a cutting groove is formed below the cutter, and the upper surface of the mounting seat is as high as the upper surface of the positioning table.
Based on above-mentioned technical characteristics, set up the cutting groove, the cutting of metal clad sheet of being convenient for.
Preferably, in the above fire prevention metal composite plate cutting device, the base upper surface is located one side of the cutter is equipped with the shower nozzle, the shower nozzle is connected with the cutting fluid storage tank through the hose.
Based on the technical characteristics, the spray head is arranged to spray cutting liquid when cutting, and the metal composite plate and the cutting blade are cooled.
Preferably, in the above cutting device for fire-proof metal composite plates, a plurality of movable wheels are symmetrically arranged on the bottom surface of the base.
Based on the technical characteristics, the movable wheel is arranged to facilitate the movement of the base.
The invention has the beneficial effects that:
the metal composite plate cutting device is reasonable in structural design, the two-way screw rod is arranged to rotate to drive the two nuts to move in opposite directions, the pressing plate is enabled to press the metal composite plate through the connecting rod, the metal composite plate is horizontally positioned through the matching of the fixed plate and the positioning plate, and the movable rod is enabled to drive the cutter to lift and cut through the matching of the movable groove and the movable shaft and the rotatable pressing rod.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a schematic view of the pressing device of the present invention;
fig. 4 is a schematic structural diagram of the cutting device of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a base; 2-a positioning table; 3-a cutting device; 4-a slide bar; 5, fixing a plate; 6-screw rod; 7-positioning a plate; 8-a pressing device; 9-a mounting frame; 10-a bidirectional screw rod; 11-a turntable; 12-a nut; 13-a connecting rod; 14-a compacting plate; 15-a buffer pad; 16-a mounting seat; 17-a support bar; 18-a mounting plate; 19-a movable rod; 20-a cutter; 21-a spacing ring; 22-a compression spring; 23-a fixing rod; 24-a movable shaft; 25-a movable groove; 26-pressing rod; 27-a handle; 28-cutting the groove; 29-a spray head; 30-a cutting fluid storage tank; 31-moving wheels.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, in the embodiment, a fire-proof metal composite plate cutting device includes a base 1, a plurality of moving wheels 31 are symmetrically disposed on the bottom surface of the base 1, the moving wheels 31 are disposed to facilitate the movement of the base 1, a positioning table 2 is slidably mounted on the upper surface of the base 1 through a plurality of sliding rods 4, a cutting device 3 for cutting a metal composite plate is disposed on the upper surface of the base 1 at one side of the positioning table 2, the cutting device 3 includes a mounting seat 16 fixedly mounted on the upper surface of the base 1, the upper surface of the mounting seat 16 has a height identical to the upper surface of the positioning table 2 to avoid the deformation of the metal composite plate, the front and rear ends of the upper surface of the mounting seat 16 are fixedly connected with mounting plates 18 through supporting rods 17, a moving rod 19 is vertically installed on the mounting plates 18 in a penetrating and sliding manner, a cutter 20 is fixedly disposed at the lower end of the moving rod 19, a cutting groove 28 is disposed below the upper surface of the mounting seat 16, a cutting groove 28 is arranged to facilitate cutting of the metal composite plate, a spray head 29 is arranged on one side of the upper surface of the base 1, which is positioned on the cutter 20, the spray head 29 is connected with a cutting fluid storage tank 30 through a hose, the spray head 29 is arranged to spray out cutting fluid when cutting, the metal composite plate and the cutting blade are cooled, a spacing ring 21 is arranged at the upper end of the movable rod 19, a compression spring 22 is sleeved on the outer wall of the movable rod 19, which is positioned below the spacing ring 21, a movable shaft 24 is fixedly arranged at the upper end of the movable rod 19 through a fixed rod 23, the outer wall of the movable shaft 24 is slidably connected with a pressing rod 26 through a movable groove 25, one end of the pressing rod 26 is hinged on the upper surface of the mounting plate 18, a handle 27 is arranged at the other end of the pressing rod 26, the compression spring 22 is arranged to enable the movable rod 19 to move upwards under the action of the compression spring 22, the cutter 20 keeps a certain height, the movable shaft 24 is arranged to be matched with the movable groove 25, so that the movable shaft 24 can drive the movable rod 19 to move upwards and downwards through rotation, the movable rod 19 drives the cutter 20 to realize the cutting of the metal composite plate by lifting, the upper surfaces of the front end and the rear end of the positioning table 2 are fixedly provided with fixed plates 5, one fixed plate 5 is internally and threadedly connected with a screw 6, the displacement of the positioning plate 7 is realized by rotating the screw 6, the horizontal direction positioning of the metal composite plate is realized, one end of the screw 6 close to the center of the positioning table 2 is rotatably connected with the positioning plate 7, the lower end of the positioning plate 7 is in sliding connection with the upper surface of the positioning table 2, one side of the positioning plate 7 is positioned on the upper surface of the positioning table 2 and is provided with a pressing device 8 for pressing the metal composite plate, the pressing device 8 comprises a mounting frame 9 fixedly arranged on the upper surface of the positioning table 2, the upper part of the mounting frame 9 is provided with a bidirectional screw rod 10, two ends of the bidirectional screw rod 10 are respectively and rotatably arranged at the left end and the right end of the mounting frame 9, one end of the bidirectional screw rod 10 penetrates and extends to the outer side of the mounting frame 9, and is fixedly provided with a turntable 11, set up carousel 11 and be convenient for rotate two-way lead screw 10, the equal threaded mounting in two-way lead screw 10 left and right parts has nut 12, nut 12 lower extreme all rotates and is connected with connecting rod 13, two connecting rod 13 lower extremes articulate there is pressure strip 14, it makes two nuts 12 remove in opposite directions to rotate two-way lead screw 10, nut 12 makes pressure strip 14 realize through connecting rod 13 and goes up and down, locating plate 7 keeps away from 6 one side of screw rod and pressure strip 14 bottom surface and all is equipped with blotter 15, set up blotter 15, realize the buffering when fixing a position metal composite panel, avoid metal composite panel to warp, pressure strip 14 left and right sides end all runs through sliding connection with mounting bracket 9 outer wall, set up pressure strip 14 left and right sides end all and mounting bracket 9 outer wall run through sliding connection, avoid pressure strip 14 off normal.
When the metal composite plate cutting machine is used, a metal composite plate is placed on the upper surface of a positioning table 2, one side of the metal composite plate is attached to the inner side wall of a fixed plate 5, a position to be cut is positioned above a cutting groove 28, a screw 6 is rotated to move a positioning plate 7, the positioning plate 7 is matched with the fixed plate 5 to horizontally position the metal composite plate, a rotary disc 11 is rotated to rotate a bidirectional screw 10, the bidirectional screw 10 is rotated to realize the opposite movement of two nuts 12, the two nuts 12 enable a compression plate 14 to descend through a connecting rod 13, the compression plate 14 compresses and positions the metal composite plate, a handle 27 enables a pressing rod 26 to press downwards, the pressing rod 26 enables a movable shaft 24 to move downwards through a movable groove 25, the movable shaft 24 enables a movable rod 19 to move downwards through a fixed rod 23, the movable rod 19 drives a cutter 20 to move downwards, the cutter 20 is opened to cut the metal composite plate, and the positioning table 2 can be pushed to move forwards and backwards, the cutting of metal composite plates with different widths can be realized.
The invention has reasonable structural design, the bidirectional screw rod 10 is arranged to rotate to drive the two nuts 12 to move oppositely, the compression plate 14 is enabled to compress the metal composite plate through the connecting rod 13, the horizontal positioning of the metal composite plate is realized through the matching of the fixed plate 5 and the positioning plate 7, the movable groove 25 is matched with the movable shaft 24, and the movable rod 19 is enabled to drive the cutter 20 to lift and lower for cutting through the rotatable pressing rod 26.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a fire prevention metal clad sheet cutting device which characterized in that: the metal composite plate cutting device comprises a base (1), wherein a positioning table (2) is slidably mounted on the upper surface of the base (1) through a plurality of sliding rods (4), the upper surface of the base (1) is positioned on one side of the positioning table (2) and is provided with a cutting device (3) for cutting a metal composite plate, fixing plates (5) are fixedly arranged on the upper surfaces of the front end and the rear end of the positioning table (2), a screw rod (6) is connected to one fixing plate (5) through internal threads, the screw rod (6) is close to one end of the center of the positioning table (2) and is rotatably connected with a positioning plate (7), the lower end of the positioning plate (7) is slidably connected with the upper surface of the positioning table (2), a pressing device (8) for pressing the metal composite plate is arranged on the upper surface of the positioning table (2) on one side of the positioning plate (7), the pressing device (8) comprises a mounting rack (9) fixedly mounted on the upper surface of the positioning table (2), mounting bracket (9) upper portion is equipped with two-way lead screw (10), two-way lead screw (10) both ends are rotated respectively and are installed right-hand member about mounting bracket (9), nut (12) are installed to the equal screw thread of portion about two-way lead screw (10), nut (12) lower extreme all rotates and is connected with connecting rod (13), two connecting rod (13) lower extreme articulates there is pressure strip (14), pressure strip (14) right-hand member all with mounting bracket (9) outer wall runs through sliding connection.
2. A fire-resistant metal composite panel cutting apparatus according to claim 1, wherein: two-way lead screw (10) one end runs through and extends to the mounting bracket (9) outside, two-way lead screw (10) extend to mounting bracket (9) outside one end fixed mounting has carousel (11).
3. A fire-resistant metal composite panel cutting apparatus according to claim 1, wherein: and cushion pads (15) are arranged on one side of the positioning plate (7) far away from the screw rod (6) and on the bottom surface of the pressing plate (14).
4. A fire-resistant metal composite panel cutting apparatus according to claim 1, wherein: the cutting device (3) comprises a mounting seat (16) fixedly mounted on the upper surface of the base (1), the front end and the rear end of the upper surface of the mounting seat (16) are fixedly connected with a mounting plate (18) through a support rod (17), a movable rod (19) vertically penetrates through the mounting plate (18) in a sliding manner, a cutter (20) is fixedly arranged at the lower end of the movable rod (19), a limiting ring (21) is arranged at the upper end of the movable rod (19), a compression spring (22) is sleeved on the outer wall of the movable rod (19) below the limiting ring (21), the upper end of the movable rod (19) is fixedly provided with a movable shaft (24) through a fixed rod (23), the outer wall of the movable shaft (24) is connected with a pressing rod (26) in a sliding way through a movable groove (25), one end of the pressing rod (26) is hinged to the upper surface of the mounting plate (18), and the other end of the pressing rod (26) is provided with a handle (27).
5. A fire-resistant metal composite plate cutting apparatus according to claim 4, wherein: the upper surface of the mounting seat (16) is positioned below the cutter (20) and is provided with a cutting groove (28), and the upper surface of the mounting seat (16) is consistent with the upper surface of the positioning table (2) in height.
6. A fire-resistant metal composite panel cutting apparatus according to claim 1, wherein: the cutting machine is characterized in that a spray head (29) is arranged on one side of the cutter (20) and positioned on the upper surface of the base (1), and the spray head (29) is connected with a cutting fluid storage tank (30) through a hose.
7. A fire-resistant metal composite panel cutting apparatus according to claim 1, wherein: the bottom surface of the base (1) is symmetrically provided with a plurality of movable wheels (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592033.5A CN113828845A (en) | 2020-06-24 | 2020-06-24 | Cutting device for fireproof metal composite plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592033.5A CN113828845A (en) | 2020-06-24 | 2020-06-24 | Cutting device for fireproof metal composite plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113828845A true CN113828845A (en) | 2021-12-24 |
Family
ID=78964834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010592033.5A Pending CN113828845A (en) | 2020-06-24 | 2020-06-24 | Cutting device for fireproof metal composite plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113828845A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768335A (en) * | 2022-05-25 | 2022-07-22 | 安徽紫朔环境工程技术有限公司 | Odor treatment device based on sludge heat drying and garbage power generation |
| CN115043584A (en) * | 2022-05-26 | 2022-09-13 | 信和光能(安徽)有限公司 | High borosilicate glass pipe circular cutting equipment |
| CN115815855A (en) * | 2022-12-13 | 2023-03-21 | 南通市兴铭匠精密五金有限公司 | Aluminum alloy precision welding deformation control device and process |
-
2020
- 2020-06-24 CN CN202010592033.5A patent/CN113828845A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768335A (en) * | 2022-05-25 | 2022-07-22 | 安徽紫朔环境工程技术有限公司 | Odor treatment device based on sludge heat drying and garbage power generation |
| CN114768335B (en) * | 2022-05-25 | 2023-07-07 | 安徽紫朔环境工程技术有限公司 | Odor treatment device based on sludge heat drying and garbage power generation |
| CN115043584A (en) * | 2022-05-26 | 2022-09-13 | 信和光能(安徽)有限公司 | High borosilicate glass pipe circular cutting equipment |
| CN115815855A (en) * | 2022-12-13 | 2023-03-21 | 南通市兴铭匠精密五金有限公司 | Aluminum alloy precision welding deformation control device and process |
| CN115815855B (en) * | 2022-12-13 | 2023-11-03 | 南通市兴铭匠精密五金有限公司 | Aluminum alloy precise welding deformation control device and process |
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Application publication date: 20211224 |