CN117549133A - Reinforced safety door structure for machine tool - Google Patents
Reinforced safety door structure for machine tool Download PDFInfo
- Publication number
- CN117549133A CN117549133A CN202311463763.5A CN202311463763A CN117549133A CN 117549133 A CN117549133 A CN 117549133A CN 202311463763 A CN202311463763 A CN 202311463763A CN 117549133 A CN117549133 A CN 117549133A
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- CN
- China
- Prior art keywords
- rod
- wall
- threaded
- movable
- door
- 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
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 16
- 241001330002 Bambuseae Species 0.000 claims description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 16
- 239000011425 bamboo Substances 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
- B23Q11/0891—Protective coverings for parts of machine tools; Splash guards arranged between the working area and the operator
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention relates to the technical field of safety doors, in particular to a reinforced safety door structure for a machine tool, which comprises the following components: the door frame is connected with a movable door, the inserted link is connected with a spring, a slot and a second connecting block, the second connecting block is connected with a through groove and a connecting rod, and the first connecting block is connected with a connecting groove; the threaded cylinder is connected with a threaded rod; the fixed rod and the guide rod are arranged on a door opening in advance, the movable handle is moved in opposite directions to drive the connecting rod to drive the connecting block II to drive the inserting rod to compress the spring, then the door frame is placed between the fixed rod and the guide rod to enable the door frame to be matched with the guide rod, the movable handle is loosened to enable the inserting rod to be inserted into the slot, and then the threaded cylinder is rotated to enable the threaded rod to be abutted with the connecting rod, so that the installation is completed; when the detachable threaded rod is detached, the threaded rod is restored to the original position by reversely rotating the threaded cylinder, the movable handle is moved in opposite directions to be separated from the slot, the movable door and the door frame are taken down, the problem that a large number of tools are used for mounting and dismounting is solved, the detachable threaded rod is convenient to mount and dismount, time is saved, and labor intensity of workers is reduced.
Description
Technical Field
The invention relates to the technical field of safety doors, in particular to a reinforced safety door structure for a machine tool.
Background
When a numerical control machine tool processes a part, a safety door is usually mounted on the machine tool in order to prevent the part from being accidentally thrown out of a chuck of the machine tool and damaging external personnel or equipment.
In the prior art, when the safety door used by people is installed and disassembled, a great deal of tools are required to be installed and disassembled, so that when the safety door is in a problem and needs to be maintained and replaced, a great deal of time is required to be consumed when the safety door is disassembled, and the safety door is not easy to replace, so that the labor intensity of workers is increased.
Disclosure of Invention
The present invention is directed to a reinforced safety door structure for a machine tool, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a reinforced safety door structure for a machine tool, comprising: the door frame is connected with a movable door, a cross rod is arranged on the door frame, the cross rod is connected with an inserted link, the inserted link is connected with a spring, a slot and a connecting block II, the connecting block II is connected with a through groove and a connecting rod, the connecting rod is connected with a movable handle and a connecting block I, and the connecting block I is connected with a connecting groove;
the transverse rod is provided with a fixed block, the fixed block is connected with a threaded cylinder, the threaded cylinder is connected with a threaded rod, and the threaded rod is connected with a guide block.
Preferably, the movable door is arranged between the door frames, the outer wall of the movable door is in movable contact with the inner wall of the door frames, the left end of the movable door is hinged with the left end of the door frames, and the other end of the movable door is in magnetic attraction connection with the inner wall of the door frames.
Preferably, the left end and the right end of the door frame are movably connected with a fixing rod and a guide rod, the fixing rods are two and are parallel to each other, the guide rods are respectively fixedly connected to the rear wall of the fixing rod, and the guide rods are arranged on the rear side of the door frame.
Preferably, the front wall at both ends is all fixedly connected with horizontal pole about the door frame, and the horizontal pole is between the dead lever, and mutually perpendicular with the dead lever, and the movable groove has all been seted up to the both ends wall of horizontal pole, and the equal sliding connection in inner wall in movable groove has the inserted bar, and the one end of inserted bar all respectively with the one end fixed connection of spring, the spring is in the movable inslot, the other end fixed connection of spring is on the inner wall in movable groove.
Preferably, the outer wall of the other end of the inserted link is movably connected with slots, four slots are formed, two slots are formed in each fixed link, and the slots are formed in the side walls of the two ends of the fixed link respectively and are arranged on one side close to the door frame.
Preferably, the front wall of one end of the inserted link is fixedly connected with a second connecting block, the second connecting block is fixedly connected with a through groove in a sliding manner, the through groove is formed in the front wall of the cross rod and is communicated with the movable groove respectively, the front wall of the second connecting block is fixedly connected with a connecting rod, and the connecting rod is arranged on the front side of the cross rod.
Preferably, the connecting rod is parallel to the cross rod, the front wall of one end of the connecting rod is fixedly connected with the movable handle, the movable handle is at one end close to the center of the cross rod, the rear wall of one end of the connecting rod is fixedly connected with the first connecting block, the first connecting block is at one end close to the center of the cross rod, the first connecting block is fixedly connected with the connecting groove in a sliding manner, the connecting groove is formed in the front wall of the cross rod, and the connecting groove is between the through grooves.
Preferably, the front wall fixedly connected with fixed block of horizontal pole, the fixed block is equipped with two, and the fixed block is equipped with a screw thread section of thick bamboo between the spread groove between the fixed block, and the both ends of screw thread section of thick bamboo are respectively at fixed block internal rotation connection, and the equal threaded connection in both ends inner wall of screw thread section of thick bamboo has the threaded rod.
Preferably, the threaded rod is arranged between the connecting rods, the threaded rod is parallel to the threaded cylinder and perpendicular to the fixed block, the threaded rod is parallel to the connecting rods, and one end of the threaded rod is movably connected with one end of the connecting rod.
Preferably, the guide way has all been seted up on the outer wall of threaded rod, and the equal sliding connection of inner wall of guide way has the guide block, and the equal fixed connection of guide block is on the inner wall of circular slot, and the circular slot is seted up on a lateral wall of fixed block, and the circular slot is in the left and right sides of screw thread section of thick bamboo.
Compared with the prior art, the invention has the beneficial effects that:
when the door frame is installed, the fixed rod and the guide rod are arranged on a door opening of a machine tool in advance, the movable handle moves in opposite directions, the movable handle drives the connecting rod to enable the first connecting block to slide in the connecting groove, meanwhile, the connecting rod drives the second connecting block to slide in the through groove, the second connecting block further drives the inserting rod to compress a spring when sliding in the movable groove, then the door frame is placed between the fixed rod and the guide rod, the door frame is matched with the guide rod, then the movable handle is loosened to enable the inserting rod to be inserted into the slot, and then the threaded cylinder is rotated to enable the threaded rod to abut against the connecting rod, so that the installation is completed; when dismantling, reverse rotation screw thread section of thick bamboo makes the threaded rod resume the normal position, makes the activity remove in opposite directions and breaks away from the slot, takes off dodge gate and door frame, accomplishes the dismantlement, has solved the problem that uses a large amount of instruments to install and dismantle, reaches the effect of being convenient for install and dismantle, has practiced thrift the time, has reduced workman's intensity of labour.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention from a left front top view;
FIG. 2 is an enlarged schematic view of the structure of the area A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of the area B in FIG. 2 according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of the area C in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the connection of the fixing rod structure of the present invention;
FIG. 6 is a schematic view of a cross bar structure connection of the present invention;
FIG. 7 is an enlarged schematic view of the structure of the area D in FIG. 6 according to the present invention;
FIG. 8 is an enlarged schematic view of the structure of the area E in FIG. 6 according to the present invention.
In the figure: 1. a fixed rod; 2. a guide rod; 3. a movable door; 4. a door frame; 5. a cross bar; 6. a connecting rod; 7. a through groove; 8. a thread cylinder; 9. a threaded rod; 10. a movable handle; 11. a first connecting block; 12. a fixed block; 13. a connecting groove; 14. a guide groove; 15. a guide block; 16. a circular groove; 17. a slot; 18. a rod; 19. a movable groove; 20. a spring; 21. and a second connecting block.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices 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 invention. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1 to 8, the present invention provides a technical solution: a reinforced safety door structure for a machine tool, comprising: the door frame 4, the door frame 4 is connected with the movable door 3, the movable door 3 is arranged between the door frames 4, the outer wall of the movable door 3 is movably contacted with the inner wall of the door frame 4, the left end of the movable door 3 is hinged with the left end of the door frame 4, the other end of the movable door 3 is magnetically attracted and connected with the inner wall of the door frame 4, the door frame 4 is provided with a cross rod 5, the cross rod 5 is connected with a plug rod 18, a slot 17 and a connecting block two 21, the front walls of the upper end and the lower end of the door frame 4 are fixedly connected with the cross rod 5, the cross rod 5 is arranged between the fixed rods 1 and perpendicular to the fixed rods 1, the two end walls of the cross rod 5 are respectively provided with a movable groove 19, the inner walls of the movable groove 19 are respectively and slidably connected with a plug rod 18, one end of the plug rod 18 is fixedly connected with one end of the spring 20, the spring 20 is arranged in the movable groove 19, the other end of the spring 20 is fixedly connected with the inner wall of the movable groove 19, when the movable handle 10 moves oppositely, after the spring 20 is compressed and loosened again, the spring 20 enables the inserting rod 18 to be inserted into the inserting groove 17, before the spring 20 is not compressed, one end of the inserting rod 18 is arranged on two sides of the transverse rod 5, the outer wall of the other end of the inserting rod 18 is movably connected with the inserting grooves 17, four inserting grooves 17 are formed, two fixing rods 1 are formed on each fixing rod 1, the inserting grooves 17 are respectively formed on the side walls of two ends of the fixing rod 1, one side close to the door frame 4 is movably connected with the fixing rods 1 and the guide rods 2 at the left end and the right end of the door frame 4, the fixing rods 1 are arranged in parallel, the guide rods 2 are respectively fixedly connected with the rear wall of the fixing rods 1, the guide rods 2 are arranged on the rear side of the door frame 4, the guide rods 2 enable the door frame 4 and the guide rods 2 to be in contact with each other, then the inserting rods 18 and the inserting grooves 17 are in one-to-one correspondence, the connecting rod I and the connecting rod II are convenient to install, the front wall of one end of the inserted rod 18 is fixedly connected with the connecting rod II 21, the connecting rod II 21 is slidably connected with the through groove 7, the through groove 7 is formed in the front wall of the cross rod 5, the through grooves 7 are respectively communicated with the movable grooves 19, the front wall of the connecting rod II 21 is fixedly connected with the connecting rod 6, the connecting rod 6 is arranged on the front side of the cross rod 5, the connecting rod 6 is connected with the movable handle 10 and the connecting rod I11, the connecting rod I11 is connected with the connecting groove 13, the connecting rod 6 is parallel to the cross rod 5, the front wall of one end of the connecting rod 6 is fixedly connected with the movable handle 10, the movable handle 10 is arranged at one end close to the center of the cross rod 5, the movable handle 18 is convenient to move, the rear wall of one end of the connecting rod 6 is fixedly connected with the connecting rod I11, the connecting rod I11 is arranged at one end close to the center of the cross rod 5, the connecting groove I11 is slidably connected with the connecting groove 13, the connecting groove 13 is formed in the front wall of the cross rod 5, the connecting groove 13 is arranged between the through grooves 7, and the connecting groove 11 and the connecting groove 13 enable the connecting rod 6 to move more stably;
be equipped with fixed block 12 on the horizontal pole 5, fixed block 12 is connected with screw thread section of thick bamboo 8, screw thread section of thick bamboo 8 is connected with threaded rod 9, the front wall fixedly connected with fixed block 12 of horizontal pole 5, fixed block 12 is equipped with two, fixed block 12 plays the effect of being connected to screw thread section of thick bamboo 8, fixed block 12 is between spread groove 13, be equipped with screw thread section of thick bamboo 8 between the fixed block 12, and the both ends of screw thread section of thick bamboo 8 rotate respectively at fixed block 12 and connect, the equal threaded connection of both ends inner wall of screw thread section of thick bamboo 8 has threaded rod 9, threaded rod 9 is between connecting rod 6, threaded rod 9 is on a parallel with screw thread section of thick bamboo 8, and perpendicular to fixed block 12, and threaded rod 9 is on a parallel with connecting rod 6, the one end swing joint of threaded rod 9, make the integral erection more firm, threaded rod 9 is connected with guide block 15, guide groove 14 has all been seted up on the outer wall of threaded rod 9, guide groove 14's inner wall all sliding connection has guide block 15, guide block 15 is all fixedly connected on the inner wall of circular groove 16, the existence of guide block 15 and guide groove 14 avoids 9 to follow screw thread section of thick bamboo 8 rotation, and then make 9 stably move on the circular groove 16 set up on the left and right sides of a circular groove 16 of fixed block 12, and the side wall of a left and right side of the circular groove 16.
When the device works, during installation, the fixed rod 1 and the guide rod 2 are arranged on a door opening of a machine tool in advance, the movable handle 10 moves in opposite directions, the movable handle 10 drives the connecting rod 6 to enable the connecting block I11 to slide in the connecting groove 13, meanwhile, the connecting rod 6 drives the connecting block II 21 to slide in the through groove 7, the connecting block II 21 further drives the inserting rod 18 to slide in the movable groove 19 to compress the spring 20, then the door frame 4 is placed between the fixed rod 1 and the guide rod 2, the door frame 4 is matched with the guide rod 2, then the movable handle 10 is loosened to enable the inserting rod 18 to be inserted into the slot 17, and then the threaded cylinder 8 is rotated to enable the threaded rod 9 to abut against the connecting rod 6, so that the installation is completed; when the movable door is disassembled, the threaded cylinder 8 is reversely rotated to restore the threaded rod 9 to the original position, the movable handle 10 is moved in opposite directions to be separated from the slot 17, and the movable door 3 and the door frame 4 are taken down to complete the disassembly.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A reinforced safety door structure for a machine tool, comprising: door frame (4), door frame (4) are connected with dodge gate (3), its characterized in that: the door frame (4) is provided with a cross rod (5), the cross rod (5) is connected with an inserting rod (18), the inserting rod (18) is connected with a spring (20), a slot (17) and a connecting block II (21), the connecting block II (21) is connected with a through slot (7) and a connecting rod (6), the connecting rod (6) is connected with a movable handle (10) and a connecting block I (11), and the connecting block I (11) is connected with a connecting slot (13);
the transverse rod (5) is provided with a fixed block (12), the fixed block (12) is connected with a threaded cylinder (8), the threaded cylinder (8) is connected with a threaded rod (9), and the threaded rod (9) is connected with a guide block (15).
2. A reinforced safety door structure for a machine tool according to claim 1, wherein: the movable door (3) is arranged between the door frames (4), the outer wall of the movable door (3) is in movable contact with the inner wall of the door frames (4), the left end of the movable door (3) is hinged with the left end of the door frames (4), and the other end of the movable door (3) is in magnetic attraction connection with the inner wall of the door frames (4).
3. A reinforced safety door structure for a machine tool according to claim 1, wherein: the door frame is characterized in that the left end and the right end of the door frame (4) are movably connected with a fixing rod (1) and a guide rod (2), the fixing rods (1) are arranged in two and are parallel to each other, the guide rods (2) are arranged in two, the guide rods (2) are parallel to each other between the fixing rods (1), the guide rods (2) are respectively and fixedly connected with the rear wall of the fixing rods (1), and the guide rods (2) are arranged on the rear side of the door frame (4).
4. A reinforced safety door structure for a machine tool according to claim 1, wherein: the front wall at both ends all fixedly connected with horizontal pole (5) about door frame (4), horizontal pole (5) are between dead lever (1), and perpendicular with dead lever (1), movable groove (19) have all been seted up to the both ends wall of horizontal pole (5), the equal sliding connection of inner wall in movable groove (19) has inserted bar (18), the one end of inserted bar (18) all respectively with the one end fixed connection of spring (20), spring (20) are in movable groove (19), the other end fixed connection of spring (20) is on the inner wall in movable groove (19).
5. A reinforced safety door structure for a machine tool according to claim 1, wherein: the outer wall of the other end of each inserting rod (18) is movably connected with slots (17), four slots (17) are formed, two slots (17) are formed in each fixing rod (1), and the slots (17) are formed in the side walls of the two ends of the fixing rods (1) respectively and are arranged on one side close to the door frame (4).
6. A reinforced safety door structure for a machine tool according to claim 1, wherein: the front wall of one end of inserted link (18) is all fixedly connected with connecting block two (21), and connecting block two (21) all sliding connection has logical groove (7), and logical groove (7) are seted up on the front wall of horizontal pole (5), and logical groove (7) link up with movable groove (19) respectively, and the front wall of connecting block two (21) is all fixedly connected with connecting rod (6), and connecting rod (6) are in the front side of horizontal pole (5).
7. A reinforced safety door structure for a machine tool according to claim 1, wherein: connecting rod (6) are on a parallel with horizontal pole (5), the equal fixedly connected with activity of one end antetheca of connecting rod (6) is handle (10), and activity is handle (10) being close to the one end at horizontal pole (5) center, the equal fixedly connected with connecting block (11) of one end back wall of connecting rod (6), connecting block (11) are being close to the one end at horizontal pole (5) center, connecting block (11) all sliding connection has spread groove (13), spread groove (13) are offered at the antetheca of horizontal pole (5), and spread groove (13) are between logical groove (7).
8. A reinforced safety door structure for a machine tool according to claim 1, wherein: the front wall fixedly connected with fixed block (12) of horizontal pole (5), fixed block (12) are equipped with two, and fixed block (12) are equipped with screw thread section of thick bamboo (8) between spread groove (13), and the both ends of screw thread section of thick bamboo (8) are connected in fixed block (12) internal rotation respectively, and the both ends inner wall of screw thread section of thick bamboo (8) all threaded connection has threaded rod (9).
9. A reinforced safety door structure for a machine tool according to claim 1, wherein: the threaded rods (9) are arranged between the connecting rods (6), the threaded rods (9) are parallel to the threaded cylinders (8) and perpendicular to the fixed blocks (12), the threaded rods (9) are parallel to the connecting rods (6), and one ends of the threaded rods (9) are movably connected with one ends of the connecting rods (6).
10. A reinforced safety door structure for a machine tool according to claim 1, wherein: guide grooves (14) are formed in the outer wall of the threaded rod (9), guide blocks (15) are slidably connected to the inner walls of the guide grooves (14), the guide blocks (15) are fixedly connected to the inner walls of round grooves (16), the round grooves (16) are formed in one side wall of the fixed block (12), and the round grooves (16) are formed in the left side and the right side of the threaded cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311463763.5A CN117549133A (en) | 2023-11-03 | 2023-11-03 | Reinforced safety door structure for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311463763.5A CN117549133A (en) | 2023-11-03 | 2023-11-03 | Reinforced safety door structure for machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117549133A true CN117549133A (en) | 2024-02-13 |
Family
ID=89811999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311463763.5A Pending CN117549133A (en) | 2023-11-03 | 2023-11-03 | Reinforced safety door structure for machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117549133A (en) |
-
2023
- 2023-11-03 CN CN202311463763.5A patent/CN117549133A/en active Pending
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