CN211840957U - Silicon steel sheet shearing and bending equipment - Google Patents
Silicon steel sheet shearing and bending equipment Download PDFInfo
- Publication number
- CN211840957U CN211840957U CN202020101249.2U CN202020101249U CN211840957U CN 211840957 U CN211840957 U CN 211840957U CN 202020101249 U CN202020101249 U CN 202020101249U CN 211840957 U CN211840957 U CN 211840957U
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- Prior art keywords
- bending
- shearing
- steel sheet
- silicon steel
- tool apron
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- 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.)
- Expired - Fee Related
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- 238000005452 bending Methods 0.000 title claims abstract description 97
- 238000010008 shearing Methods 0.000 title claims abstract description 87
- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 76
- 230000005540 biological transmission Effects 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 12
- 238000003825 pressing Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the technical field of manufacturing equipment, in particular to silicon steel sheet shearing and bending equipment, which comprises a frame, a conveying device, a transmission device, a shearing cutter holder and a bending cutter holder; the machine frame is provided with a ball spline shaft, and the shearing tool apron and the bending tool apron are arranged on the ball spline shaft in a sliding mode through spline shaft sleeves; the power output end of the transmission device is in transmission connection with the shearing tool apron and the bending tool apron respectively, and the shearing tool apron and the bending tool apron are provided with a cutter and a bending tool respectively; the conveying device is arranged at the feed inlet of the frame. The shearing tool holder and the bending tool holder in the silicon steel sheet shearing and bending equipment are arranged on the ball spline shaft through the sliding of the spline shaft sleeve, the steel balls inside the spline shaft sleeve are matched with the ball spline shaft to reduce the contact area between the spline shaft sleeve and the ball spline shaft, so that the abrasion of the contact surface between the spline shaft sleeve and the ball spline shaft is reduced, and the condition that the shearing and bending precision of the silicon steel sheet is reduced to influence the function of a transformer is avoided.
Description
Technical Field
The utility model belongs to the technical field of the manufacture equipment, concretely relates to silicon steel sheet is cuted and is bent equipment.
Background
The silicon steel sheet is a ferrosilicon soft magnetic alloy with extremely low carbon content, and the silicon content is generally 0.5-4.5%. Silicon is added to improve the resistivity and the maximum magnetic conductivity of iron and reduce the coercive force, the iron core loss (iron loss) and the magnetic aging, and silicon steel sheets are mainly used for manufacturing iron cores of various transformers, motors and generators.
In the production process, the silicon steel sheet is sheared and bent through special shearing equipment and bending equipment, and in the shearing and bending process of the silicon steel sheet, a cutter for shearing/bending the silicon steel sheet can do reciprocating linear motion under the action of a transmission device so as to complete shearing and bending of the silicon steel sheet;
however, in the process of long-time operation of the shearing device and the bending device, the contact surface between the shaft sleeve on the cutter and the sliding shaft is seriously worn, so that the gap between the shaft sleeve and the sliding shaft is increased, the shearing and bending precision of each silicon steel sheet is affected, and the transformer has the defects of large no-load loss and large no-load current.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that prior art exists, the utility model provides a silicon steel sheet is cuted and is bent equipment to solve the shearing cutter that exists among the prior art, bend the clearance increase of cutter and sliding shaft junction, lead to the shearing of silicon steel sheet and the precision of bending to reduce and can't reach operation requirement's technical problem.
The utility model discloses a following technical scheme specifically realizes:
a silicon steel sheet shearing and bending device comprises a rack, a conveying device, a transmission device, a shearing cutter holder and a bending cutter holder;
a ball spline shaft is vertically arranged on the rack, spline shaft sleeves matched with the ball spline shaft are arranged on the shearing tool apron and the bending tool apron, and the shearing tool apron and the bending tool apron are arranged on the ball spline shaft in a sliding mode through the spline shaft sleeves;
the number of the transmission devices is two, the power output ends of the two transmission devices are respectively in transmission connection with the shearing tool apron and the bending tool apron, and a cutter and a bending tool are respectively arranged at one ends of the shearing tool apron and the bending tool apron, which are far away from the transmission devices;
the conveying device is arranged at a feed inlet of the rack.
In order to better realize the utility model discloses, do further optimization in above-mentioned structure, transmission includes drive machine and transmission connecting rod, drive machine's power take off end is provided with the eccentric wheel, drive machine's power take off end's axis with the coincidence of the rotation center line of eccentric wheel, the one end of transmission connecting rod be provided with the perforation that the eccentric wheel matches, the transmission connecting rod passes through the perforation cover is established on the eccentric wheel, the transmission connecting rod is kept away from fenestrate one end with cut the blade holder or the blade holder of bending is connected.
In order to better realize the utility model discloses, do further optimization in above-mentioned structure, it includes otic placode and function board to cut the tool post, the integral key shaft cover sets up on the otic placode, the plane at otic placode place with the plane at function board place is perpendicular, the otic placode sets up transmission with between the tool post of bending, one of them transmission passes the otic placode with the tool post of bending is connected.
In order to better realize the utility model discloses, do further optimization in above-mentioned structure, the function board is kept away from one side of otic placode is provided with the pterygoid lamina, also be provided with spline shaft sleeve on the pterygoid lamina.
In order to better realize the utility model discloses, do further optimization in above-mentioned structure, ball spline shaft's quantity has two, two ball spline shaft sets up respectively the both sides of shearing blade holder.
In order to better realize the utility model discloses, do further optimization in above-mentioned structure, this silicon steel sheet shearing equipment of bending still includes the PLC controller, conveyor with transmission all with the PLC controller electricity is connected.
In order to better realize the utility model discloses, do further optimization in above-mentioned structure, this silicon steel sheet is cuted equipment of bending still including being used for the protection the dustcoat of frame, the dustcoat cover is established the frame is outside, just the dustcoat corresponds the feed inlet and the discharge gate department of frame all are provided with the through-hole.
In order to better realize the utility model discloses, do further optimization in above-mentioned structure, be provided with the aviation connector on the dustcoat, the aviation connector with the PLC controller transmission motor with the conveyor electricity is connected.
In order to better realize the utility model, the structure is further optimized, and the bottom of the frame is provided with a support leg for supporting the frame.
In order to better realize the utility model discloses, do further optimization in above-mentioned structure, conveyor includes feeding motor, pay-off steel roller and presses the material rubber roll, the pay-off steel roller with press the material rubber roll all to rotate the setting and be in the frame, feeding motor's power take off end with the transmission of pay-off steel roller is connected, press the material rubber roll with the distance of the circumferential surface of pay-off steel roller equals with the thickness of silicon steel sheet.
To sum up, the utility model discloses a following technological effect has:
the shearing tool holder and the bending tool holder in the silicon steel sheet shearing and bending equipment are arranged on the ball spline shaft through the sliding of the spline shaft sleeve, the spline shaft sleeve can reduce the contact area of the spline shaft sleeve and the ball spline shaft through the matching of the steel balls inside the spline shaft sleeve and the ball spline shaft, and therefore the abrasion of the contact surface of the spline shaft sleeve and the ball spline shaft is effectively reduced, and the condition that the shearing and bending precision of the silicon steel sheet is reduced to influence the function of a transformer is avoided.
Furthermore, the utility model discloses an optimization scheme still has following technological effect:
(1) the utility model discloses an optimization scheme establishes the eccentric wheel on the drive motor for the transmission connecting rod passes through the perforation cover to realize shearing the blade holder and the transmission of the power of the blade holder of bending, thereby the effectual condition of avoiding transmission connecting rod and eccentric wheel to break away from takes place, makes this silicon steel sheet shearing equipment of bending's structure firm more.
(2) The utility model discloses an optimization scheme is provided with the pterygoid lamina for one side that the otic placode was kept away from to the function plate, also is provided with the spline axle sleeve on the pterygoid lamina, makes this shear blade holder and ball spline shaft's cooperation stability more to the precision of the production of effectual improvement silicon steel sheet.
(3) The utility model discloses an optimization scheme still includes the PLC controller for this silicon steel sheet shearing equipment of bending, and this PLC controller can control opening/closing and the slew velocity of conveying motor and drive machine to make this silicon steel sheet shearing equipment of bending's operation more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a side sectional view of a silicon steel sheet shearing and bending apparatus of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a front view of the silicon steel sheet shearing and bending apparatus of the present invention;
fig. 4 is a connection relation diagram of a transmission device in the silicon steel sheet shearing and bending equipment of the present invention;
fig. 5 is a schematic structural view of a shearing tool holder in the silicon steel sheet shearing and bending apparatus of the present invention;
fig. 6 is a schematic structural view of a bending tool apron in the silicon steel sheet shearing and bending apparatus of the present invention;
fig. 7 is the utility model relates to a silicon steel sheet cuts structural schematic of ball spline shaft in bending equipment.
Reference numerals:
1. a frame; 11. a support leg; 21. a feeding motor; 22. feeding a steel roller; 23. pressing rubber rollers; 24. a cylinder; 25. an adjustment lever; 31. a drive motor; 32. a transmission connecting rod; 4. a shearing tool apron; 41. an ear plate; 42. a function board; 43. a wing plate; 5. bending the tool apron; 6. a ball spline shaft; 7. a spline shaft sleeve; 8. a housing; 9. an aviation connector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 7:
a silicon steel sheet shearing and bending device comprises a frame 1, a conveying device, a transmission device, a shearing tool apron 4 and a bending tool apron 5;
a ball spline shaft 6 is vertically arranged on the frame 1, spline shaft sleeves 7 matched with the ball spline shaft 6 are respectively arranged on the shearing tool apron 4 and the bending tool apron 5, and the shearing tool apron 4 and the bending tool apron 5 are respectively arranged on the ball spline shaft 6 in a sliding manner through the spline shaft sleeves 7;
the number of the transmission devices is two, the power output ends of the two transmission devices are respectively in transmission connection with the shearing tool apron 4 and the bending tool apron 5, and the ends, far away from the transmission devices, of the shearing tool apron 4 and the bending tool apron 5 are respectively provided with a cutter and a bending tool;
the conveying device is arranged at the feed inlet of the frame 1.
A silicon steel sheet shearing equipment of above-mentioned structure, when producing the silicon steel sheet, the staff can start conveyor and transmission, conveyor can deliver to frame 1 by the feed inlet of frame 1 with the raw and other materials of silicon steel sheet, transmission just can drive and cut blade holder 4 and the blade holder 5 up-and-down motion of bending, in order to accomplish the shearing of silicon steel sheet and bend, the silicon steel sheet after shearing and bending can be exported by the discharge gate of frame 1, the staff alright with arrange in order and collect the silicon steel sheet that makes, so that the preparation of iron core.
At the in-process of transmission drive shearing blade holder 4 with the blade holder 5 of bending, it can slide along ball spline shaft 6 to shear blade holder 4 with the blade holder 5 of bending, and the inside steel ball of spline shaft sleeve 7 on shearing blade holder 4 and the blade holder 5 of bending can reduce spline shaft sleeve 7 and ball spline shaft 6's area of contact to reduce ball spline shaft 6 and spline shaft sleeve 7's wearing and tearing, reduce and lead to the condition emergence that the function of transformer receives the influence with the precision of bending in order to avoid the shearing of silicon steel sheet.
Preferably, the transmission device comprises a transmission motor 31 and a transmission connecting rod 32; wherein,
the transmission motor 31 is arranged on the frame 1, an eccentric wheel is arranged at the power output end of the transmission motor 31, the rotation center of the eccentric wheel is overlapped with the rotation center line of the power output end of the transmission motor 31, a through hole is arranged at one end of the transmission connecting rod 32, the shape of the through hole is matched with that of the eccentric wheel, the transmission connecting rod 32 is sleeved on the eccentric wheel through the through hole, one end, far away from the through hole, of the transmission connecting rod 32 is connected with the shearing tool apron 4 or the bending tool apron 5 through a pin shaft, and the axis of the pin shaft is parallel to the rotation center line of the power output;
in the working process, the transmission motor 31 drives the eccentric wheel to rotate, and in the rotating process of the eccentric wheel, the eccentric wheel can drive the shearing tool apron 4 or the bending tool apron 5 to move up and down through the transmission connecting rod 32, so that the silicon steel sheet shearing and bending equipment can shear and bend silicon steel sheets; and the connection mode of the eccentric wheel and the transmission connecting rod 32 can avoid the separation of the transmission connecting rod 32 and the eccentric wheel, so that the structure of the silicon steel sheet shearing and bending equipment is more stable.
Preferably, the shearing tool holder 4 includes an ear plate 41 and a function plate 42, one end of the ear plate 41 is connected with one end of the function plate 42, a plane where the ear plate 41 is located is perpendicular to a plane where the function plate 42 is located, the spline shaft sleeve 7 is arranged on the ear plate 41, and the cutting tool is arranged at one end of the function plate 42 away from the ear plate 41; the ear plate 41 is located between the bending tool apron 5 and the transmission device, a hole through which the transmission connecting rod 32 can pass is formed in the ear plate 41, the transmission connecting rod 32 on one transmission motor 31 passes through the hole in the ear plate 41 to be in transmission connection with the bending tool apron 5, and the transmission connecting rod 32 on the other transmission motor 31 is directly connected with the ear plate 41, so that the shearing tool apron 4 and the bending tool apron 5 can use the same ball spline shaft 6, the manufacturing cost of the silicon steel sheet shearing and bending equipment is reduced, and the structure of the silicon steel sheet shearing and bending equipment is more compact.
Preferably, the cutting blade seat 4 further comprises a wing plate 43, the wing plate 43 is located at one end of the function plate 42 far away from the ear plate 41, the plane of the wing plate 43 is parallel to the plane of the ear plate 41, and the wing plate 43 is also provided with the spline shaft sleeve 7; this cut blade holder 4 through pterygoid lamina 43 with the gliding setting of spline housing 7 on the otic placode 41 on ball spline shaft 6, make this cut blade holder 4 more steady when the operation to the machining precision of bending equipment is cuted to this silicon steel sheet of effectual improvement.
More preferably, the number of the ball spline shafts 6 is two, the two ball spline shafts 6 are respectively arranged on two sides of the shearing tool apron 4, and the two sides of the shearing tool apron 4 and the two sides of the bending tool apron 5 are respectively arranged on the two ball spline shafts 6 through the sliding of the spline shaft sleeves 7, so that the shearing tool apron 4 or the bending tool apron 5 is prevented from deviating during operation to influence the manufacturing of silicon steel sheets, and the working stability of the silicon steel sheet shearing and bending equipment is further improved.
Preferably, the silicon steel sheet shearing and bending equipment further comprises a PLC (programmable logic controller), and the transmission device and the conveying device are electrically connected with the PLC; this PLC controller can control the opening/closing and the rotational speed of conveying motor and transmission, and the staff can pass through the data of the size of computer input silicon steel sheet and the angle of bending in to the PLC controller, then through PLC controller control conveying motor and transmission's rotational speed, just can produce required silicon steel sheet, make conveying motor and transmission's use and operation convenience more.
Optimized, this silicon steel sheet is cuted and is bent equipment still includes dustcoat 8, and this dustcoat 8 cover is established in frame 1 outside, and feed inlet and discharge gate department that corresponds frame 1 on dustcoat 8 all is provided with the through-hole that the silicon steel sheet of being convenient for advances/goes out, and this dustcoat 8 can effectual protection frame 1 and the inside spare part of frame 1, and can effectual protection staff's safety.
Optimally, the outer cover 8 is also provided with an aviation connector 9, and the aviation connector 9 is electrically connected with the PLC, the transmission motor 31 and the conveying device; when the silicon steel sheet shearing and bending equipment is used, a worker can plug a power line into the aviation connector 9 of the outer cover 8 to supply power to the PLC, the transmission motor 31 and the conveying device in the silicon steel sheet shearing and bending equipment, so that the silicon steel sheet shearing and bending equipment can work normally.
Optimized, the bottom of the frame 1 is provided with the support legs 11, so that the distance between the frame 1 and the ground is increased, the water vapor on the ground is prevented from influencing components inside the silicon steel sheet shearing and bending equipment, and the silicon steel sheet shearing and bending equipment is protected better.
Preferably, the conveying device comprises a feeding motor 21, a feeding steel roller 22 and a pressing rubber roller 23; wherein,
the feeding steel roller 22 and the pressing rubber roller 23 are both rotatably arranged on the frame 1, the distance between the circumferential surfaces of the feeding steel roller 22 and the pressing rubber roller 23 is equal to the thickness of a silicon steel sheet, and the power output end of the feeding motor 21 is in transmission connection with the feeding steel roller 22; in the process of producing the silicon steel sheet, a worker can convey the silicon steel sheet to the feeding port of the rack 1, and when the silicon steel sheet passes through the space between the feeding steel roller 22 and the pressing rubber roller 23, the silicon steel sheet can move to the discharging port of the rack 1 under the action of friction force on the circumferential surfaces of the feeding steel roller 22 and the pressing rubber roller 23 so as to complete input and output of the silicon steel sheet.
Preferably, the rack 1 is further provided with an air cylinder 24 and an adjusting lever 25, the middle part of the adjusting lever 25 is hinged on the rack 1, the power output end of the air cylinder 24 is hinged with one end of the adjusting lever 25, and the material pressing rubber roller 23 is rotatably arranged at one end of the adjusting lever 25 far away from the air cylinder 24;
in the operation process, the staff can adjust the distance between the feeding steel roller 22 and the pressing rubber roller 23 by controlling the stretching of the cylinder 24 so as to adapt to the production of silicon steel sheets with different thicknesses, so that the silicon steel sheet shearing and bending equipment has a wider application range.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a silicon steel sheet is cuted equipment of bending which characterized in that: comprises a frame (1), a conveying device, a transmission device, a shearing tool apron (4) and a bending tool apron (5);
a ball spline shaft (6) is vertically arranged on the rack (1), spline shaft sleeves (7) matched with the ball spline shaft (6) are respectively arranged on the shearing tool apron (4) and the bending tool apron (5), and the shearing tool apron (4) and the bending tool apron (5) are respectively arranged on the ball spline shaft (6) in a sliding manner through the spline shaft sleeves (7);
the number of the transmission devices is two, the power output ends of the two transmission devices are respectively in transmission connection with the shearing tool apron (4) and the bending tool apron (5), and a cutting tool and a bending tool are respectively arranged at one ends, far away from the transmission devices, of the shearing tool apron (4) and the bending tool apron (5);
the conveying device is arranged at a feed inlet of the rack (1).
2. The silicon steel sheet shearing and bending equipment as claimed in claim 1, wherein: transmission includes drive motor (31) and transmission connecting rod (32), the power take off end of drive motor (31) is provided with the eccentric wheel, the axis of the power take off end of drive motor (31) with the center of rotation line coincidence of eccentric wheel, the one end of transmission connecting rod (32) be provided with the perforation that the eccentric wheel matches, transmission connecting rod (32) pass through the perforation cover is established on the eccentric wheel, keep away from transmission connecting rod (32) fenestrate one end with cut blade holder (4) perhaps bend blade holder (5) and connect.
3. The silicon steel sheet shearing and bending equipment as claimed in claim 2, wherein: the shearing tool apron (4) comprises an ear plate (41) and a function plate (42), a spline shaft sleeve (7) is arranged on the ear plate (41), the plane where the ear plate (41) is located is perpendicular to the plane where the function plate (42) is located, the ear plate (41) is arranged between a transmission device and the bending tool apron (5), and one of the transmission device penetrates through the ear plate (41) and the bending tool apron (5) to be connected.
4. The silicon steel sheet shearing and bending equipment as claimed in claim 3, wherein: one side of the function plate (42) far away from the ear plate (41) is provided with a wing plate (43), and the wing plate (43) is also provided with a spline shaft sleeve (7).
5. The silicon steel sheet shearing and bending equipment as claimed in claim 4, wherein: the number of the ball spline shafts (6) is two, and the two ball spline shafts (6) are respectively arranged on two sides of the shearing tool apron (4).
6. The silicon steel sheet shearing and bending apparatus as set forth in any one of claims 2 to 5, wherein: the conveying device and the transmission device are electrically connected with the PLC.
7. The silicon steel sheet shearing and bending equipment as claimed in claim 6, wherein: still including being used for the protection dustcoat (8) of frame (1), dustcoat (8) cover is established frame (1) is outside, just dustcoat (8) correspond the feed inlet and the discharge gate department of frame (1) all are provided with the through-hole.
8. The silicon steel sheet shearing and bending equipment as claimed in claim 7, wherein: an aviation connector (9) is arranged on the outer cover (8), and the aviation connector (9) is electrically connected with the PLC, the transmission motor (31) and the conveying device.
9. The silicon steel sheet shearing and bending equipment as claimed in claim 1, wherein: the bottom of the frame (1) is provided with a support leg (11) for supporting the frame (1).
10. The silicon steel sheet shearing and bending equipment as claimed in claim 1, wherein: conveyor includes feeding motor (21), pay-off steel roller (22) and presses material rubber roll (23), pay-off steel roller (22) with press material rubber roll (23) all to rotate the setting and be in on frame (1), the power take off end of pay-off motor (21) with pay-off steel roller (22) transmission is connected, press material rubber roll (23) with the distance on the circumferential surface of pay-off steel roller (22) equals with the thickness of silicon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020101249.2U CN211840957U (en) | 2020-01-17 | 2020-01-17 | Silicon steel sheet shearing and bending equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020101249.2U CN211840957U (en) | 2020-01-17 | 2020-01-17 | Silicon steel sheet shearing and bending equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211840957U true CN211840957U (en) | 2020-11-03 |
Family
ID=73233042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020101249.2U Expired - Fee Related CN211840957U (en) | 2020-01-17 | 2020-01-17 | Silicon steel sheet shearing and bending equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211840957U (en) |
-
2020
- 2020-01-17 CN CN202020101249.2U patent/CN211840957U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |