CN114193558A - Furniture design panel perforating device - Google Patents
Furniture design panel perforating device Download PDFInfo
- Publication number
- CN114193558A CN114193558A CN202111561476.9A CN202111561476A CN114193558A CN 114193558 A CN114193558 A CN 114193558A CN 202111561476 A CN202111561476 A CN 202111561476A CN 114193558 A CN114193558 A CN 114193558A
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- China
- Prior art keywords
- plate
- drill rod
- sliding
- shaped plate
- perforating device
- 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
- 238000005553 drilling Methods 0.000 abstract description 19
- 238000004080 punching Methods 0.000 abstract description 14
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C3/00—Drilling machines or drilling devices; Equipment therefor
- B27C3/02—Stationary drilling machines with a single working spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/18—Manufacture or reconditioning of specific semi-finished or finished articles of furniture or of doors
Abstract
The invention discloses a furniture design plate punching device, which relates to the technical field of furniture plates and comprises a support frame, wherein the upper end of the support frame is provided with a lifting table, and the lower end of the lifting table is connected to the support frame through a plurality of electric cylinders; the lifting platform is of a frame structure, sliding rods are symmetrically arranged at two ends of the inner side wall of the lifting platform, and sliding plates are connected to the sliding rods in a sliding mode. According to the invention, the lower drill rod and the upper drill rod are arranged, the upper end of the lower drill rod is connected with the first U-shaped plate, the lower end of the upper drill rod is connected with the second U-shaped plate, the connecting disc is arranged in the second U-shaped plate, two ends of the connecting disc are rotatably connected to the second U-shaped plate through the rotating shaft, the first U-shaped plate and the second U-shaped plate are arranged in a cross manner, and the inner side of the first U-shaped plate is also rotatably connected to the connecting disc through the rotating shaft, so that the lower drill rod can rotate and can be in transmission connection with the upper drill rod, and the direction angle of drilling is adjusted.
Description
Technical Field
The invention belongs to the technical field of furniture boards, and particularly relates to a punching device for furniture design boards.
Background
The board is a flat rectangular building material board made into standard size, and is used as a component of wall, ceiling or floor in the building industry. And after the plates need to be punched, the plates can be spliced into various furniture.
According to the panel perforating device for furniture preparation that chinese patent application No. 202010697669.6 disclosed, include: the bottom plate seat is connected with an installation frame; the bottom plate seat is provided with a plate moving mechanism; the punching mechanism is mounted on the mounting frame. This mechanism of punching can punch to the panel on the panel moving mechanism, can be convenient for remove panel through panel moving mechanism to the mechanism of punching can punch to each position of panel, and then need not artifical long-time handheld electric drill and punch to panel, but should punch the mechanism and can only beat the vertically hole to panel, can't realize simultaneously can beat the vertical hole, can beat the function in inclined hole again, for this we propose a furniture design panel perforating device.
Disclosure of Invention
The invention aims to provide a punching device for furniture design plates, aiming at solving the problem that the existing punching mechanism can not simultaneously punch both vertical holes and inclined holes.
The invention is realized by the following technical scheme: a furniture design board punching device comprises a support frame, wherein a lifting table is arranged at the upper end of the support frame, and the lower end of the lifting table is connected to the support frame through a plurality of electric cylinders; the lifting platform is of a frame structure, sliding rods are symmetrically arranged at two ends of the inner side wall of the lifting platform, sliding plates are connected onto the sliding rods in a sliding mode, sliding rails are symmetrically arranged on the front side and the rear side of the upper end face of each sliding plate, sliding blocks are connected onto the sliding rails in a sliding mode, and the upper ends of the sliding blocks are fixedly connected with an operation platform; a vertical plate is fixedly connected to one side surface of the supporting frame, a transverse plate is fixedly connected to the upper end of the vertical plate, and a drill rod assembly is arranged at the end part of the transverse plate; the drill rod assembly comprises a lower drill rod and an upper drill rod, the upper portion of the upper drill rod is rotatably connected with the transverse plate, the upper end of the upper drill rod is connected with a driving motor, the driving motor is fixedly mounted on the transverse plate, the upper end of the lower drill rod is connected with a first U-shaped plate, the lower end of the upper drill rod is connected with a second U-shaped plate, a connecting plate is arranged inside the second U-shaped plate, two ends of the connecting plate are rotatably connected onto the second U-shaped plate through rotating shafts, the first U-shaped plate and the second U-shaped plate are arranged in a cross mode, and the inner side of the first U-shaped plate is also rotatably connected onto the connecting plate through the rotating shafts; the lower end of the transverse plate is also provided with an angle adjusting mechanism for fixing the angle of the lower drill rod.
Preferably, angle adjustment mechanism includes first annular plate and second annular plate, the equal fixed connection in upper end of first annular plate and second annular plate is on the side of diaphragm, first annular plate and second annular plate are located the both sides of drilling rod down respectively, sliding connection has bottom plate and an upper fixed plate on the lateral wall of drilling rod down, bottom plate and upper fixed plate are located the outside and the inboard of annular plate respectively, fix through fixing bolt between bottom plate and the upper fixed plate.
Preferably, a pointer is arranged in the middle of one side face of the upper fixing plate, the pointer is parallel to the axis of the lower drill rod, and a scale groove for displaying an angle is formed in the side face of the second annular plate.
Preferably, the middle of the sliding plate is provided with a through groove, when the drill bit drills a hole, the wood chips can fall from the through groove, and meanwhile, the drill bit cannot be damaged when the drill bit drills through the plate.
Preferably, the middle of the operating platform is provided with an installation groove, and one end of the installation groove is in an open shape, so that the installation and insertion of the plate are facilitated.
Preferably, a plurality of fastening bolts are symmetrically arranged on two side walls of the operating platform, the fastening bolts are in threaded connection with the side walls of the operating platform, and the fastening bolts penetrate through the side walls of the operating platform.
Preferably, a handle is arranged on one side wall of the operating platform, and the handle can be pushed and pulled to move the operating position when the operating platform is used.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the lower drill rod and the upper drill rod are arranged, the upper end of the lower drill rod is connected with the first U-shaped plate, the lower end of the upper drill rod is connected with the second U-shaped plate, the connecting disc is arranged in the second U-shaped plate, two ends of the connecting disc are rotatably connected to the second U-shaped plate through the rotating shaft, the first U-shaped plate and the second U-shaped plate are arranged in a cross manner, and the inner side of the first U-shaped plate is also rotatably connected to the connecting disc through the rotating shaft, so that the lower drill rod can rotate and can be in transmission connection with the upper drill rod, and the direction angle of drilling is adjusted.
2. According to the invention, the first annular plate and the second annular plate are arranged at the lower end of the transverse plate, the lower drilling rod penetrates through the gap between the first annular plate and the second annular plate, the lower drilling rod is fixed on the first annular plate and the second annular plate through the lower fixing plate and the upper fixing plate, the positions of the lower fixing plate and the upper fixing plate on the annular plates are adjusted during use, so that the angle of the lower drilling rod can be changed, meanwhile, the pointer is arranged on the upper fixing plate, and the scale groove is arranged on the second U-shaped plate, so that the angle adjusting value of the lower drilling rod can be conveniently and visually measured.
3. According to the invention, the operation table is provided with the handle, and the lower end of the operation table is provided with the longitudinal sliding rod and the transverse sliding rail, so that the operation table can move transversely and longitudinally by pushing and pulling the handle, and a drill bit on the drill rod can conveniently and accurately drill a plate.
In conclusion, the angle of the drill rod is adjusted to drill the plate vertically or obliquely, the drilling position of the plate is accurately positioned by adjusting the position of the operating platform, the operation is convenient, and the punching device has the function of one machine with multiple purposes.
Drawings
FIG. 1 is a schematic structural view of a furniture design plate punching device;
FIG. 2 is an enlarged view of a portion of a drill stem of the furniture design panel perforating device;
FIG. 3 is a schematic diagram illustrating the oblique fixing of a drill rod of the punching device for furniture design boards;
FIG. 4 is an enlarged schematic view of A in FIG. 2;
FIG. 5 is an enlarged view of B in FIG. 2;
FIG. 6 is a schematic view of a sliding assembly of the perforating device for furniture design boards;
fig. 7 is a schematic view of an operation table in the punching device for furniture design boards.
Reference numbers in the figures: 1. a support frame; 2. an electric cylinder; 3. a lifting platform; 4. an operation table; 41. fastening a bolt; 42. a handle; 43. mounting grooves; 5. an angle adjusting mechanism; 51. a first annular plate; 52. a second annular plate; 521. a scale groove; 53. a lower fixing plate; 54. fixing the bolt; 55. an upper fixing plate; 551. a pointer; 6. a drive motor; 7. a transverse plate; 8. a vertical plate; 9. a drill rod assembly; 91. a drill rod is lowered; 92. a drill rod is arranged; 93. a first U-shaped plate; 94. a second U-shaped plate; 95. a connecting disc; 96. a rotating shaft; 10. a sliding assembly; 101. a sliding plate; 102. a slide bar; 103. a slide rail; 104. a slide block.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example one
Referring to fig. 1-5, a furniture design board punching device includes a support frame 1, wherein a lifting platform 3 is disposed at an upper end of the support frame 1, and a lower end of the lifting platform 3 is connected to the support frame 1 through a plurality of electric cylinders 2;
the lifting platform 3 is of a frame structure, a sliding assembly 10 is arranged on the inner side of the lifting platform 3, and an operating platform 4 is arranged at the upper end of the sliding assembly 10; a vertical plate 8 is fixedly connected to one side surface of the support frame 1, a transverse plate 7 is fixedly connected to the upper end of the vertical plate 8, and a drill rod assembly 9 is arranged at the end part of the transverse plate 7;
the drill rod assembly 9 comprises a lower drill rod 91 and an upper drill rod 92, the upper part of the upper drill rod 92 is rotatably connected with the transverse plate 7, the upper end of the upper drill rod 92 is connected with the driving motor 6, the driving motor 6 is fixedly arranged on the transverse plate 7, the upper end of the lower drill rod 91 is connected with a first U-shaped plate 93, the lower end of the upper drill rod 92 is connected with a second U-shaped plate 94, a connecting plate 95 is arranged inside the second U-shaped plate 94, two ends of the connecting plate 95 are rotatably connected onto the second U-shaped plate 94 through a rotating shaft 96, the first U-shaped plate 93 and the second U-shaped plate 94 are arranged in a cross mode, and the inner side of the first U-shaped plate 93 is also rotatably connected onto the connecting plate 95 through the rotating shaft 96; the lower end of the transverse plate 7 is also provided with an angle adjusting mechanism 5 for fixing the angle of the lower drill rod 91.
The angle adjusting mechanism 5 comprises a first annular plate 51 and a second annular plate 52, the upper ends of the first annular plate 51 and the second annular plate 52 are fixedly connected to the side surface of the transverse plate 7, the first annular plate 51 and the second annular plate 52 are respectively located on two sides of the lower drill rod 91, a lower fixing plate 53 and an upper fixing plate 55 are connected to the outer side wall of the lower drill rod 91 in a sliding mode, the lower fixing plate 53 and the upper fixing plate 55 are respectively located on the outer side and the inner side of the annular plates, and the lower fixing plate 53 and the upper fixing plate 55 are fixed through fixing bolts 54.
The upper fixing plate 55 has a pointer 551 in the middle of one side surface thereof, the pointer 551 is parallel to the axis of the lower drill rod 91, and the second annular plate 52 has a scale groove 521 in the side surface thereof for displaying an angle.
The working principle is as follows: the invention can change the angle of the lower drilling rod 91 by arranging the lower drilling rod 91 and the upper drilling rod 92, connecting the upper end of the lower drilling rod 91 with a first U-shaped plate 93, connecting the lower end of the upper drilling rod 92 with a second U-shaped plate 94, arranging a connecting disc 95 inside the second U-shaped plate 94, connecting both ends of the connecting disc 95 to the second U-shaped plate 94 through a rotating shaft 96 in a rotating way, arranging the first U-shaped plate 93 and the second U-shaped plate 94 in a crossed way, connecting the inner side of the first U-shaped plate 93 to the connecting disc 95 through the rotating shaft 96 in a rotating way, arranging the first annular plate 51 and the second annular plate 52 at the lower end of the transverse plate 7, penetrating the lower drilling rod 91 through the gap between the first annular plate 51 and the second annular plate 52, fixing the lower drilling rod 91 on the first annular plate 51 and the second annular plate 52 through the lower fixing plate 53 and the upper fixing plate 55, adjusting the positions of the lower fixing plate 53 and the upper fixing plate 55 on the annular plate when in use, the upper drill rod 92 is driven to rotate by the driving motor 6, the upper drill rod 91 is driven to rotate by the upper drill rod 92, the electric cylinder 2 extends to drive the operating platform 4 and the plate to ascend, so that the drilling operation of the lower drill rod 91 on the plate is realized, the pointer 551 is arranged on the upper fixing plate 55, the scale groove 521 is arranged on the second U-shaped plate 94, and the angle adjusting value of the lower drill rod 91 is convenient and visual to measure.
Example two
Referring to fig. 6 and 7, the present embodiment adds the following features on the basis of the first embodiment, except that: the sliding assembly 10 comprises a sliding plate 101, a sliding rod 102, a sliding rail 103 and a sliding block 104; the two ends of the inner side wall of the lifting platform 3 are symmetrically provided with sliding rods 102, the sliding rods 102 are connected with sliding plates 101 in a sliding mode, the front side and the rear side of the upper end face of each sliding plate 101 are symmetrically provided with sliding rails 103, the sliding rails 103 are connected with sliding blocks 104 in a sliding mode, and the upper ends of the sliding blocks 104 are fixedly connected with an operation platform 4.
The middle of the sliding plate 101 is provided with a through groove, when the drill bit is drilling, the wood chips can fall from the through groove, and meanwhile, the drill bit cannot be damaged when the drill bit drills through the plate.
The middle of the operating platform 4 is provided with an installation groove 43, and one end of the installation groove 43 is open, so that the installation and insertion of the plate are facilitated.
A plurality of fastening bolts 41 are symmetrically arranged on both side walls of the operation table 4, the fastening bolts 41 are screwed on the side walls of the operation table 4, and the fastening bolts 41 penetrate through the side walls of the operation table 4.
A handle 42 is provided on one of the side walls of the console 4, and the handle 42 can be pushed and pulled to move the operating position when in use.
The working principle is as follows: according to the invention, the handle 42 is arranged on the operating platform 4, the longitudinal slide rod 102 and the transverse slide rail 103 are arranged at the lower end of the operating platform, so that the operating platform 4 can move transversely and longitudinally by pushing and pulling the handle 42, and a drill bit on a drill rod can conveniently and accurately drill a plate.
In conclusion, the angle of the drill rod is adjusted to drill the plate vertically or obliquely, the drilling position of the plate is accurately positioned by adjusting the position of the operating table 4, the operation is convenient, and the punching device has the function of one machine with multiple purposes.
Claims (8)
1. The utility model provides a furniture design panel perforating device, includes support frame (1), its characterized in that: the upper end of the support frame (1) is provided with a lifting platform (3), and the lower end of the lifting platform (3) is connected to the support frame (1) through a plurality of electric cylinders (2);
the lifting platform (3) is of a frame structure, a sliding assembly (10) is arranged on the inner side of the lifting platform (3), and an operating platform (4) is arranged at the upper end of the sliding assembly (10); a vertical plate (8) is fixedly connected to one side surface of the support frame (1), a transverse plate (7) is fixedly connected to the upper end of the vertical plate (8), and a drill rod assembly (9) is arranged at the end part of the transverse plate (7);
the drill rod assembly (9) comprises a lower drill rod (91) and an upper drill rod (92), the upper part of the upper drill rod (92) is rotatably connected with the transverse plate (7), the upper end of the upper drill rod (92) is connected with the driving motor (6), and the driving motor (6) is fixedly arranged on the transverse plate (7); the upper end of the lower drill rod (91) is connected with a first U-shaped plate (93), the lower end of the upper drill rod (92) is connected with a second U-shaped plate (94), a connecting disc (95) is arranged inside the second U-shaped plate (94), two ends of the connecting disc (95) are rotatably connected to the second U-shaped plate (94) through a rotating shaft (96), the first U-shaped plate (93) and the second U-shaped plate (94) are arranged in a crossed mode, and the inner side of the first U-shaped plate (93) is also rotatably connected to the connecting disc (95) through the rotating shaft (96);
the lower end of the transverse plate (7) is also provided with an angle adjusting mechanism (5) for fixing the angle of the lower drill rod (91).
2. The perforating device for furniture design plates according to claim 1, characterized in that the sliding assembly (10) comprises a sliding plate (101), a sliding bar (102), a sliding rail (103) and a slider (104); the lifting platform is characterized in that sliding rods (102) are symmetrically arranged at two ends of the inner side wall of the lifting platform (3), sliding plates (101) are connected onto the sliding rods (102) in a sliding mode, sliding rails (103) are symmetrically arranged on the front side and the rear side of the upper end face of each sliding plate (101), sliding blocks (104) are connected onto the sliding rails (103) in a sliding mode, and operation platforms (4) are fixedly connected onto the upper ends of the sliding blocks (104).
3. The perforating device for the furniture design plates as claimed in claim 2, characterized in that the angle adjusting mechanism (5) comprises a first annular plate (51) and a second annular plate (52), the upper ends of the first annular plate (51) and the second annular plate (52) are fixedly connected to the lateral surface of the cross plate (7), the first annular plate (51) and the second annular plate (52) are respectively located at two sides of the lower drill rod (91), the outer lateral wall of the lower drill rod (91) is slidably connected with a lower fixing plate (53) and an upper fixing plate (55), the lower fixing plate (53) and the upper fixing plate (55) are respectively located at the outer side and the inner side of the annular plates, and the lower fixing plate (53) and the upper fixing plate (55) are fixed through fixing bolts (54).
4. The perforating device for furniture design plates according to claim 3, characterized in that a pointer (551) is arranged in the middle of one side of the upper fixing plate (55), the pointer (551) is parallel to the axis of the lower drill rod (91), and a scale groove (521) for displaying the angle is arranged on the side of the second annular plate (52).
5. The perforating device for furniture design plates according to claim 4, characterized in that a through slot is provided in the middle of the sliding plate (101).
6. The perforating device for furniture design plates according to claim 5, characterized in that a mounting groove (43) is provided in the middle of the operating platform (4), and one end of the mounting groove (43) is open.
7. The perforating device for the furniture design plates according to claim 6, characterized in that a plurality of fastening bolts (41) are symmetrically arranged on two side walls of the operating platform (4), the fastening bolts (41) are screwed on the side walls of the operating platform (4), and the fastening bolts (41) penetrate through the side walls of the operating platform (4).
8. The perforating device for furniture design plates according to claim 7, characterized in that a handle (42) is provided on one of the side walls of the console (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111561476.9A CN114193558A (en) | 2021-12-15 | 2021-12-15 | Furniture design panel perforating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111561476.9A CN114193558A (en) | 2021-12-15 | 2021-12-15 | Furniture design panel perforating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114193558A true CN114193558A (en) | 2022-03-18 |
Family
ID=80655406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111561476.9A Pending CN114193558A (en) | 2021-12-15 | 2021-12-15 | Furniture design panel perforating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114193558A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115816564A (en) * | 2022-12-14 | 2023-03-21 | 杭州峻泰家具有限公司 | Perforating device is used in furniture production |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4442896C1 (en) * | 1994-12-02 | 1996-07-11 | Keusch Siegfried | Appts. for automatic working of wood board workpieces |
| ATA63095A (en) * | 1994-04-28 | 1998-12-15 | Plavac Wolfgang | SLOPE DRILLING DEVICE |
| CN108638233A (en) * | 2018-04-16 | 2018-10-12 | 金湖县昆成木业有限公司 | A kind of multi-direction adjustable seat mortising machine |
| CN109397391A (en) * | 2018-11-16 | 2019-03-01 | 合肥汇之新机械科技有限公司 | A kind of high stability perforating device with Furniture panel waste recovery function |
| CN109397392A (en) * | 2018-11-16 | 2019-03-01 | 合肥汇之新机械科技有限公司 | A kind of drilling equipment for Furniture panel processing |
| CN208575972U (en) * | 2018-06-26 | 2019-03-05 | 灌云德尼雅木业有限公司 | A kind of Furniture panel drilling equipment |
| CN211640249U (en) * | 2019-12-09 | 2020-10-09 | 深圳市卓越家具有限公司 | Wardrobe processing drilling equipment |
| CN213052846U (en) * | 2020-08-06 | 2021-04-27 | 山东创新精密科技有限公司 | Drilling device for aluminum profile |
-
2021
- 2021-12-15 CN CN202111561476.9A patent/CN114193558A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA63095A (en) * | 1994-04-28 | 1998-12-15 | Plavac Wolfgang | SLOPE DRILLING DEVICE |
| DE4442896C1 (en) * | 1994-12-02 | 1996-07-11 | Keusch Siegfried | Appts. for automatic working of wood board workpieces |
| CN108638233A (en) * | 2018-04-16 | 2018-10-12 | 金湖县昆成木业有限公司 | A kind of multi-direction adjustable seat mortising machine |
| CN208575972U (en) * | 2018-06-26 | 2019-03-05 | 灌云德尼雅木业有限公司 | A kind of Furniture panel drilling equipment |
| CN109397391A (en) * | 2018-11-16 | 2019-03-01 | 合肥汇之新机械科技有限公司 | A kind of high stability perforating device with Furniture panel waste recovery function |
| CN109397392A (en) * | 2018-11-16 | 2019-03-01 | 合肥汇之新机械科技有限公司 | A kind of drilling equipment for Furniture panel processing |
| CN211640249U (en) * | 2019-12-09 | 2020-10-09 | 深圳市卓越家具有限公司 | Wardrobe processing drilling equipment |
| CN213052846U (en) * | 2020-08-06 | 2021-04-27 | 山东创新精密科技有限公司 | Drilling device for aluminum profile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115816564A (en) * | 2022-12-14 | 2023-03-21 | 杭州峻泰家具有限公司 | Perforating device is used in furniture production |
| CN115816564B (en) * | 2022-12-14 | 2023-12-12 | 广东尚诚智能家居有限公司 | Perforating device is used in furniture production |
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Application publication date: 20220318 |
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