CN114055184A - High-precision track grooving machine - Google Patents
High-precision track grooving machine Download PDFInfo
- Publication number
- CN114055184A CN114055184A CN202111254994.6A CN202111254994A CN114055184A CN 114055184 A CN114055184 A CN 114055184A CN 202111254994 A CN202111254994 A CN 202111254994A CN 114055184 A CN114055184 A CN 114055184A
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- CN
- China
- Prior art keywords
- bracing piece
- support frame
- backup pad
- sleeve
- supporting rod
- 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.)
- Pending
Links
- 239000000725 suspension Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 8
- 230000004075 alteration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a high-precision track grooving machine, which belongs to the technical field of grooving machines and comprises a first transverse supporting rod, a second transverse supporting rod and a first vertical supporting rod, wherein the first transverse supporting rod and the second transverse supporting rod are arranged in parallel, the first vertical supporting rod, the first transverse supporting rod and the second transverse supporting rod are in sliding connection, a grooving device is arranged on the first vertical supporting rod and is in sliding connection with the first vertical supporting rod, a first positioning assembly and a second positioning assembly are arranged on the first transverse supporting rod, the first positioning assembly and the second positioning assembly are both in sliding connection with the first transverse supporting rod, a third positioning assembly and a fourth positioning assembly are arranged on the second transverse supporting rod, and the third positioning assembly and the fourth positioning assembly are both in sliding connection with the second transverse supporting rod.
Description
Technical Field
The invention relates to the technical field of grooving machines, in particular to a high-precision rail grooving machine.
Background
At present, when a single plate part which does not form a production scale is grooved, a grooving machine is generally used for grooving manually and directly, when the grooving is carried out, a line is drawn firstly, and the straightness of the grooved groove is ensured by drawing a straight line, but the straightness is difficult to ensure during operation, and the grooving depth is difficult to ensure, so that a high-precision rail grooving machine is needed.
Disclosure of Invention
The invention aims to provide a high-precision rail grooving machine which can perform grooving on single plate parts and is convenient to operate.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a high accuracy track groover, includes first lateral support pole, second lateral support pole and first perpendicular bracing piece, first lateral support pole with second lateral support pole parallel arrangement, first perpendicular bracing piece is sliding connection with first lateral support pole, second lateral support pole, be equipped with the fluting device on the first perpendicular bracing piece, the fluting device with first perpendicular bracing piece sliding connection, be equipped with first locating component and second locating component on the first lateral support pole, first locating component and second locating component all with first lateral support pole sliding connection, be equipped with third locating component and fourth locating component on the second lateral support pole, third locating component and fourth locating component all with second lateral support pole sliding connection.
Preferably, the slotting device comprises a fixed support frame, a movable support frame and a slotting blade, the fixed support frame is connected with the first vertical support rod in a sliding mode, the movable support frame is connected with the fixed support frame in a rotating mode, and the slotting blade is arranged on the movable support frame.
Preferably, the relative position of the movable support frame and the fixed support frame is fixed through a fixed assembly, the fixed support frame is provided with an arc-shaped groove for installing the fixed assembly, and the movable support frame is provided with an installation hole for installing the fixed assembly.
Preferably, the first positioning assembly comprises a first supporting sleeve and a first clamping sleeve, the first supporting sleeve is connected with the first transverse supporting rod in a sliding mode, the first clamping sleeve is connected with the first supporting sleeve, the second positioning assembly comprises a second supporting sleeve and a second clamping sleeve, the second supporting sleeve is connected with the first transverse supporting rod in a sliding mode, and the second clamping sleeve is connected with the second supporting sleeve.
Preferably, first centre gripping cover include first last backup pad and with backup pad parallel arrangement's first bottom suspension board on the first backup pad, be equipped with a plurality of first mounting holes on the first backup pad, second centre gripping cover include on the second backup pad and with backup pad parallel arrangement's second bottom suspension board on the second, be equipped with a plurality of second mounting holes on the backup pad on the second.
Preferably, the third positioning assembly comprises a third supporting sleeve and a third clamping sleeve, the third supporting sleeve is connected with the second transverse supporting rod in a sliding manner, the third clamping sleeve is connected with the third supporting sleeve, the fourth positioning assembly comprises a fourth supporting sleeve and a fourth clamping sleeve, the fourth supporting sleeve is connected with the second transverse supporting rod in a sliding manner, and the fourth clamping sleeve is connected with the fourth supporting sleeve.
Preferably, the third centre gripping cover include the third on the backup pad and with backup pad parallel arrangement's third bottom suspension fagging is gone up to the third, be equipped with a plurality of third mounting holes on the backup pad in the third, the fourth centre gripping cover include the fourth on the backup pad and with backup pad parallel arrangement's fourth bottom suspension fagging is gone up to the fourth, be equipped with a plurality of fourth mounting holes on the backup pad in the fourth.
Adopt above-mentioned technical scheme, owing to be equipped with first horizontal support pole, second horizontal support pole and first vertical support pole, make and to support the fluting device, so that carry out the fluting operation, owing to be equipped with first locating component and second locating component, make and to fix first horizontal support pole on board class part, owing to be equipped with third locating component and fourth locating component, make and to fix second horizontal support pole on board class part, guarantee the position of first vertical support pole through the position of fixed first horizontal support pole and second horizontal support pole, so that guarantee grooved straightness accuracy.
Drawings
FIG. 1 is a schematic structural view of a high-precision track grooving machine according to the present invention;
FIG. 2 is an enlarged schematic view of a first positioning assembly according to the present invention;
FIG. 3 is an enlarged schematic view of a second positioning assembly according to the present invention;
FIG. 4 is an enlarged schematic view of a third positioning assembly of the present invention;
FIG. 5 is an enlarged schematic view of a fourth positioning assembly according to the present invention;
FIG. 6 is an enlarged schematic view of the fixing support according to the present invention;
FIG. 7 is an enlarged view of the stationary support plate of the present invention;
fig. 8 is an enlarged schematic structural view of the movable support frame of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 8, fig. 1 is a schematic structural diagram of a high-precision rail grooving machine of the present invention, fig. 2 is an enlarged structural diagram of a first positioning assembly of the present invention, fig. 3 is an enlarged structural diagram of a second positioning assembly of the present invention, fig. 4 is an enlarged structural diagram of a third positioning assembly of the present invention, fig. 5 is an enlarged structural diagram of a fourth positioning assembly of the present invention, fig. 6 is an enlarged structural diagram of a fixed support frame of the present invention, fig. 7 is an enlarged structural diagram of a fixed support plate of the present invention, fig. 8 is an enlarged structural diagram of a movable support frame of the present invention, which includes a first transverse support bar 1, a second transverse support bar 2 and a first vertical support bar 3, the first transverse support bar 1, the second transverse support bar 2 and the first vertical support bar 3 are used for determining relative positions of a grooving device and a plate part to be grooved so as to groove the plate part, the first transverse supporting rod 1 and the second transverse supporting rod 2 are arranged in parallel, the first vertical supporting rod 3, the first transverse supporting rod 1 and the second transverse supporting rod 2 are in sliding connection, so that the first vertical supporting rod 3 can slide along the length direction of the first transverse supporting rod 1 to facilitate grooving operation on different positions of a plate part, the first transverse supporting rod 1 is provided with length scales so that a worker can determine the position of the first vertical supporting rod 3 relative to the first transverse supporting rod 1 by naked eyes, the first vertical supporting rod 3 is provided with a grooving device which is in sliding connection with the first vertical supporting rod 3, the first transverse supporting rod 1 is provided with a first positioning component 4 and a second positioning component 5, the first positioning component 4 and the second positioning component 5 are both in sliding connection with the first transverse supporting rod 1, the first positioning component 4 and the second positioning component 5 are used for fixing the first transverse supporting rod 1 on the plate part to be processed, a third positioning component 6 and a fourth positioning component 7 are arranged on the second transverse supporting rod 2, the third positioning component 6 and the fourth positioning component 7 are both connected with the second transverse supporting rod 2 in a sliding manner, the third positioning component 6 and the fourth positioning component 7 are used for fixing the second transverse supporting rod 2 on a plate part to be processed, and if the plate part is not enough for fixing the first positioning component 4, the second positioning component 5, the third positioning component 6 and the fourth positioning component 7, the first positioning component 4 and the second positioning component 5 can be fixed, or the third positioning component 6 and the fourth positioning component 7 can be fixed;
the slotting device comprises a fixed support frame 8, a movable support frame 9 and a slotting blade 10, the slotting blade 10 is connected with a power output shaft of a motor 31, the motor 31 is installed on the movable support frame 9 through a motor base, the fixed support frame 8 comprises a support sleeve 27 used for sleeving the fixed support frame 8 on a first vertical support rod 3 and a fixed support plate 28 used for installing the slotting blade 10, the fixed support frame 8 is connected with the first vertical support rod 3 in a sliding mode, advancing of the slotting device in the length direction of the first vertical support rod 3 is achieved through the fixed support frame 8, the movable support frame 9 is connected with the fixed support frame 8 in a rotating mode, the slotting blade 10 is arranged on the movable support frame 9, and through the rotating connection of the movable support frame 9 and the fixed support frame 8, the relative distance between the slotting blade 10 and a plate part can be adjusted to control the slotting depth;
the relative position of the movable support frame 9 and the fixed support frame 8 is fixed through a fixing component, an arc-shaped groove 29 for installing the fixing component is arranged on the fixed support frame 8, an installation hole 30 for installing the fixing component is arranged on the movable support frame 9, the fixing component can be a bolt, after the movable support frame 9 is adjusted to a position, the bolt penetrates through the arc-shaped groove 29 through a thread, the installation hole 30 can be a threaded hole, the bolt penetrates through the arc-shaped groove 29 and then is screwed into the installation hole 30 to be fixed, so that the relative position of the movable support frame 9 and the fixed support frame 8 is determined, and the fixed support frame 8 comprises a vertical support sleeve sleeved on the first vertical support rod 3, so that the slotting device can move along the first vertical support rod 3;
the first positioning component 4 comprises a first supporting sleeve 11 and a first clamping sleeve, the first supporting sleeve 11 is connected with the first transverse supporting rod 1 in a sliding mode, the first clamping sleeve is connected with the first supporting sleeve 11, the second positioning component 5 comprises a second supporting sleeve 14 and a second clamping sleeve, the second supporting sleeve 14 is connected with the first transverse supporting rod 1 in a sliding mode, the second clamping sleeve is connected with the second supporting sleeve 14, the first supporting sleeve 11 is sleeved on the first transverse supporting rod 1 so that the first positioning component 4 can slide transversely along the first transverse supporting rod 1, the second supporting sleeve 14 is sleeved on the first transverse supporting rod 1 so that the second positioning component 5 can slide transversely along the first transverse supporting rod 1, the first clamping sleeve is used for clamping and fixing the first positioning component 4 on a plate part, and the second clamping sleeve is used for clamping and fixing the second positioning component 5 on the plate part;
the first clamping sleeve comprises a first upper supporting plate 12 and a first lower supporting plate 13 arranged in parallel with the first upper supporting plate 12, a plurality of first mounting holes 23 are formed in the first upper supporting plate 12, when the clamping sleeve is used, plate parts are embedded into the first upper supporting plate 12 and the first lower supporting plate 13, the first mounting holes 23 can be threaded holes and are fixed by screwing bolts into the first mounting holes 23, the second clamping sleeve comprises a second upper supporting plate 15 and a second lower supporting plate 16 arranged in parallel with the second upper supporting plate 15, a plurality of second mounting holes 24 are formed in the second upper supporting plate 15, when the clamping sleeve is used, the plate parts are embedded into the second upper supporting plate 15 and the second lower supporting plate 16, the second mounting holes 24 can be threaded holes and are fixed by screwing bolts into the second mounting holes 24;
the third positioning component 6 comprises a third supporting sleeve 17 and a third clamping sleeve, the third supporting sleeve 17 is connected with the second transverse supporting rod 2 in a sliding manner, the third clamping sleeve is connected with the third supporting sleeve 17, the fourth positioning component 7 comprises a fourth supporting sleeve 20 and a fourth clamping sleeve, the fourth supporting sleeve 20 is connected with the second transverse supporting rod 2 in a sliding manner, the fourth clamping sleeve is connected with the fourth supporting sleeve 20, the third supporting sleeve 17 is sleeved on the second transverse supporting rod 2 so that the third positioning component 6 can slide transversely along the second transverse supporting rod 2, the fourth supporting sleeve 20 is sleeved on the second transverse supporting rod 2 so that the fourth positioning component 7 can slide transversely along the second transverse supporting rod 2, the third clamping sleeve is used for clamping and fixing the third positioning component 6 on a plate part, and the fourth clamping sleeve is used for clamping and fixing the fourth positioning component 7 on the plate part;
the third clamping sleeve comprises a third upper supporting plate 18 and a third lower supporting plate 19 arranged in parallel with the third upper supporting plate 18, a plurality of third mounting holes 25 are formed in the third upper supporting plate 18, when the clamping sleeve is used, plate parts are embedded into the third upper supporting plate 18 and the third lower supporting plate 19, the third mounting holes 25 can be threaded holes and are fixed by screwing bolts into the third mounting holes 25, the fourth clamping sleeve comprises a fourth upper supporting plate 21 and a fourth lower supporting plate 22 arranged in parallel with the fourth upper supporting plate 21, a plurality of fourth mounting holes 26 are formed in the fourth upper supporting plate 21, when the clamping sleeve is used, the plate parts are embedded into the fourth upper supporting plate 21 and the fourth lower supporting plate 22, and the fourth mounting holes 26 can be threaded holes and are fixed by screwing bolts into the fourth mounting holes 26;
owing to be equipped with first horizontal support bar 1, second horizontal support bar 2 and first vertical support bar 3, make and to support the slotting device, so that carry out the fluting operation, owing to be equipped with first locating component 4 and second locating component 5, make and to fix first horizontal support bar 1 on board class part, owing to be equipped with third locating component 6 and fourth locating component 7, make and to fix second horizontal support bar 2 on board class part, guarantee the position of first vertical support bar 3 through the position of fixed first horizontal support bar 1 and second horizontal support bar 2, so that guarantee grooved straightness accuracy.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (7)
1. The utility model provides a high accuracy track groover which characterized in that: including first lateral bracing piece, second lateral bracing piece and first perpendicular bracing piece, first lateral bracing piece with second lateral bracing piece parallel arrangement, first perpendicular bracing piece is sliding connection with first lateral bracing piece, second lateral bracing piece, be equipped with the fluting device on the first perpendicular bracing piece, the fluting device with first perpendicular bracing piece sliding connection, be equipped with first locating component and second locating component on the first lateral bracing piece, first locating component and second locating component all with first lateral bracing piece sliding connection, be equipped with third locating component and fourth locating component on the second lateral bracing piece, third locating component and fourth locating component all with second lateral bracing piece sliding connection.
2. A high precision rail slotter as set forth in claim 1, wherein: the slotting device comprises a fixed support frame, a movable support frame and a slotting blade, the fixed support frame is in sliding connection with the first vertical support rod, the movable support frame is in rotating connection with the fixed support frame, and the slotting blade is arranged on the movable support frame.
3. A high precision rail slotter as set forth in claim 2, wherein: the relative position of the movable support frame and the fixed support frame is fixed through the fixed assembly, the fixed support frame is provided with an arc-shaped groove for installing the fixed assembly, and the movable support frame is provided with an installation hole for installing the fixed assembly.
4. A high precision rail slotter as set forth in claim 1, wherein: the first positioning assembly comprises a first supporting sleeve and a first clamping sleeve, the first supporting sleeve is connected with the first transverse supporting rod in a sliding mode, the first clamping sleeve is connected with the first supporting sleeve, the second positioning assembly comprises a second supporting sleeve and a second clamping sleeve, the second supporting sleeve is connected with the first transverse supporting rod in a sliding mode, and the second clamping sleeve is connected with the second supporting sleeve.
5. A high precision track groover as claimed in claim 4, wherein: first centre gripping cover include first last backup pad and with backup pad parallel arrangement's first bottom suspension fagging on the first, be equipped with a plurality of first mounting holes on the first backup pad, second centre gripping cover include on the second backup pad and with backup pad parallel arrangement's second bottom suspension fagging on the second, be equipped with a plurality of second mounting holes on the backup pad on the second.
6. A high precision rail slotter as set forth in claim 1, wherein: the third positioning assembly comprises a third supporting sleeve and a third clamping sleeve, the third supporting sleeve is connected with the second transverse supporting rod in a sliding mode, the third clamping sleeve is connected with the third supporting sleeve, the fourth positioning assembly comprises a fourth supporting sleeve and a fourth clamping sleeve, the fourth supporting sleeve is connected with the second transverse supporting rod in a sliding mode, and the fourth clamping sleeve is connected with the fourth supporting sleeve.
7. A high precision track groover as claimed in claim 6, wherein: the third centre gripping cover include the third on the backup pad and with backup pad parallel arrangement's third bottom suspension fagging is gone up to the third, be equipped with a plurality of third mounting holes on the backup pad in the third, the fourth centre gripping cover include the fourth on the backup pad and with backup pad parallel arrangement's fourth bottom suspension fagging is gone up to the fourth, be equipped with a plurality of fourth mounting holes in the backup pad on the fourth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111254994.6A CN114055184A (en) | 2021-10-27 | 2021-10-27 | High-precision track grooving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111254994.6A CN114055184A (en) | 2021-10-27 | 2021-10-27 | High-precision track grooving machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114055184A true CN114055184A (en) | 2022-02-18 |
Family
ID=80235539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111254994.6A Pending CN114055184A (en) | 2021-10-27 | 2021-10-27 | High-precision track grooving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114055184A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5295937A (en) * | 1991-04-25 | 1994-03-22 | Amada Company, Limited | Grooving machine |
| CN109551583A (en) * | 2018-11-30 | 2019-04-02 | 合肥康之恒机械科技有限公司 | A kind of bilateral groover for sheet fabrication |
| CN209919189U (en) * | 2019-02-22 | 2020-01-10 | 江苏省徐州锻压机床厂集团有限公司 | Plate part adjusting and supporting device |
| CN211220902U (en) * | 2019-10-29 | 2020-08-11 | 北涂建工集团有限公司 | Cutting device for building energy-saving insulation board |
| CN112893928A (en) * | 2020-12-24 | 2021-06-04 | 王明明 | Slotting device for processing aluminum profile plate |
-
2021
- 2021-10-27 CN CN202111254994.6A patent/CN114055184A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5295937A (en) * | 1991-04-25 | 1994-03-22 | Amada Company, Limited | Grooving machine |
| CN109551583A (en) * | 2018-11-30 | 2019-04-02 | 合肥康之恒机械科技有限公司 | A kind of bilateral groover for sheet fabrication |
| CN209919189U (en) * | 2019-02-22 | 2020-01-10 | 江苏省徐州锻压机床厂集团有限公司 | Plate part adjusting and supporting device |
| CN211220902U (en) * | 2019-10-29 | 2020-08-11 | 北涂建工集团有限公司 | Cutting device for building energy-saving insulation board |
| CN112893928A (en) * | 2020-12-24 | 2021-06-04 | 王明明 | Slotting device for processing aluminum profile plate |
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Application publication date: 20220218 |
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