CN111014395B - Hemming treatment process for stainless steel plate production - Google Patents
Hemming treatment process for stainless steel plate production Download PDFInfo
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- CN111014395B CN111014395B CN201911375457.XA CN201911375457A CN111014395B CN 111014395 B CN111014395 B CN 111014395B CN 201911375457 A CN201911375457 A CN 201911375457A CN 111014395 B CN111014395 B CN 111014395B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/12—Edge-curling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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Abstract
The invention relates to a hemming treatment process for stainless steel plate production, which mainly comprises the following steps: the stainless steel edge rolling device comprises a mounting frame, an edge rolling external member and a traction external member, wherein the edge rolling external member and the traction external member are sequentially arranged in the mounting frame from top to bottom, and the stainless steel edge rolling device can solve the following problems in the prior art when edge rolling operation is carried out on stainless steel: a: when the existing stainless steel is subjected to hemming operation, the steel plate is often clamped and fixed manually, so that the workload of workers is greatly increased, and the manpower is wasted; b: when the existing stainless steel is used for curling, one side of the existing stainless steel is curled and then the other side of the existing stainless steel is curled, so that the workload of staff is increased, and certain potential safety hazards exist.
Description
Technical Field
The invention relates to the technical field of stainless steel plate processing, in particular to a hemming treatment process for stainless steel plate production.
Background
With the improvement of the scientific and technical level, the stainless steel plate becomes an important material and technical foundation for the development and the technological progress of modern industry, and the stainless steel plate has the characteristics of good smoothness, high plasticity, high toughness and corrosion resistance and is widely applied to various industries, wherein the stainless steel plate needs to be subjected to curling treatment in order to adapt to the installation condition, and the existing stainless steel plate needs to be subjected to a plurality of procedures of steel cleaning, steel water washing, electrolytic polishing, secondary water washing, steel airing, steel curling, steel storage and the like during flanging operation, wherein the steel curling directly influences the quality of the stainless steel curling.
The prior stainless steel has the following problems in the hemming operation: a: when the existing stainless steel is subjected to hemming operation, the steel plate is often clamped and fixed manually, so that the workload of workers is greatly increased, and the manpower is wasted; b: when the existing stainless steel is used for curling, one side of the existing stainless steel is curled and then the other side of the existing stainless steel is curled, so that the workload of staff is increased, and certain potential safety hazards exist.
Disclosure of Invention
In order to solve the problems, the invention provides a hemming treatment process for stainless steel plate production, which can solve the problems of the stainless steel materials during hemming operation.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a hemming treatment process for stainless steel plate production mainly comprises the following steps:
step one, cleaning steel: cleaning oil stains on the surface of the stainless steel plate by using an oil stain cleaning agent;
step two, washing steel materials: cleaning the oil stain cleaning agent on the surface of the stainless steel material treated in the first step by using clean water;
step three, electrolytic polishing: performing electrolytic polishing treatment on the stainless steel processed in the second step, wherein the stainless steel is placed at an anode, and a lead material is set as a cathode material;
step four, secondary water washing: carrying out secondary water washing treatment on the stainless steel subjected to the third step, and cleaning electrolyte and polishing dirt on the surface of the stainless steel subjected to electrolytic polishing;
step five, airing steel: placing the stainless steel processed in the fourth step in a ventilation drying place for airing;
step six, steel curling: putting the stainless steel processed in the fifth step into a stainless steel plate curling device for curling;
step seven, storing steel: stacking the stainless steel plates treated in the sixth step, and placing the stacked stainless steel plates in a dry and cool place for storage;
the stainless steel edge rolling device used in the steps comprises an installation frame, an edge rolling external member and a traction external member, wherein the edge rolling external member and the traction external member are sequentially arranged in the installation frame from top to bottom.
The hemming kit comprises a guide sliding seat, bearing sliding sleeves, connecting blocks, a rotating shaft, a hemming roller, a clamping mechanism, a motor A, an installation base plate, a sliding column and a guide sliding plate, wherein the guide sliding seat is installed on the inner wall of the installation frame in a welding mode, a T-shaped sliding groove A is formed in the guide sliding seat, the guide sliding seat is symmetrically provided with the bearing sliding sleeves which are matched with the T-shaped sliding groove A in a sliding connection mode, the number of the bearing sliding sleeves is two, the connecting blocks are arranged on the lower end face of the bearing sliding sleeves, the rotating shaft is arranged on the bearing sliding sleeves in a bearing connection mode, the hemming roller is installed on the rotating shaft, a notch is formed in the hemming roller, the clamping mechanism is arranged in the hemming roller, the front end of the rotating shaft is fixed on an output shaft of the motor A, the motor A is installed on, the lower end of the sliding column is provided with a guide sliding plate in a sliding connection mode, the guide sliding plate is provided with a sliding groove A matched with the sliding column for use, and the guide sliding plate is fixedly installed on the inner wall of the installation frame in a welding mode.
The traction external member includes motor B, the column spinner, the rotor plate, the spliced pole, the connecting strip, pull the post, pull the board, connecting rod and fixed plate, motor B passes through motor cabinet fixed mounting on the mounting bracket inner wall, install the column spinner on motor B's the output shaft, the column spinner upper end is provided with the rotor plate through the welded mode, evenly be provided with two spliced poles through the welded mode on the rotor plate up end, install the connecting strip on the spliced pole, install on the connecting strip other end and pull the post, it is provided with on the post to pull the board, it evenly is provided with two connecting rods through the welded mode on the board to pull, the connecting rod upper end is provided with the fixed plate, the fixed plate is in the same place with.
Clamping mechanism is including triggering the slide bar, the extrusion push rod, T type gasbag, horizontal slide bar, down push rod, gas storage bag A, ejecting push rod, neat board and tight post in top, triggering the slide bar and installing on the inner wall of hemming roller through sliding connection's mode, the symmetry is supported and is leaned on there being the extrusion push rod on the face of both ends about the slide bar of triggering, the extrusion push rod upper end outside is provided with T type gasbag, the inside right-hand member of T type gasbag is provided with horizontal slide bar, horizontal slide bar inboard is supported and is leaned on there being down push rod, down push rod inboard is provided with gas storage bag A, the inside ejecting push rod that is provided with of gas storage bag A, be provided with neat board through the welded mode.
The upper end face and the lower end face of the transverse sliding rod are uniformly abutted with clamping columns, and the clamping columns are connected to the inner wall of the hemming roller through springs.
The upper end and the lower end of the outer wall of the hemming roller are provided with bolt slotted holes A in a staggered mode, and fixing pins matched with each other for use are arranged inside the bolt slotted holes A.
The symmetry is provided with fixed orifices B on the fixed pin lateral wall, and the fixed orifices B outside is provided with the fixed column that mutually supports and use, and the fixed column passes through sliding connection's mode to be installed on the hemming roller inner wall, and the fixed column head evenly is provided with the ball.
The invention has the beneficial effects that:
1. the invention can solve the following problems in the existing stainless steel material during the hemming operation: : a: when the existing stainless steel is subjected to hemming operation, the steel plate is often clamped and fixed manually, so that the workload of workers is greatly increased, and the manpower is wasted; b: when the existing stainless steel is used for curling, one side of the existing stainless steel is curled and then the other side of the existing stainless steel is curled, so that the workload of staff is increased, and certain potential safety hazards exist.
2. According to the invention, the clamping mechanism is designed, when a steel plate needing hemming operation is placed at the notch of the hemming roller, the extrusion triggers the sliding rod to move outwards, so that the extrusion push rod is driven to move towards two sides, the air in the T-shaped air bag is extruded, the transverse sliding rod is driven to move rightwards, the downward push rod is pushed to move downwards, the air in the air storage bag A is extruded, the ejection push rod is driven to move towards the surface of the steel plate, the aligning plate is driven to move, the ejection column is driven to move to the surface of the steel plate needing hemming, the purpose of clamping the steel plate is achieved, the workload of manual locking is avoided, and the working efficiency is directly improved.
3. According to the invention, the traction external member is designed, the motor B works to drive the rotary column to rotate, so that the rotary plate is driven to rotate, the connecting strip and the traction column are driven to move towards the middle area, the traction plate, the connecting rod and the fixing plate are driven to move inwards, the hemming roller is driven to move inwards through the connecting block and the sliding column, and meanwhile, the hemming roller is driven to rotate by the motor A, so that the hemming operation is simultaneously carried out on two ends of the stainless steel plate during hemming, the repeated operation during processing is avoided, and the working efficiency is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of a crimping sleeve of the present invention;
FIG. 4 is a schematic structural view of the traction assembly of the present invention;
FIG. 5 is a schematic structural view of the clamping mechanism of the present invention;
FIG. 6 is a schematic cross-sectional view A-A of FIG. 5 of the present invention;
FIG. 7 is an enlarged view of area A of FIG. 5 of the present invention;
FIG. 8 is an enlarged view of area B of FIG. 6 of the present invention;
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 8, a hemming process for manufacturing stainless steel plate mainly comprises the following steps:
step one, cleaning steel: cleaning oil stains on the surface of the stainless steel plate by using an oil stain cleaning agent;
step two, washing steel materials: cleaning the oil stain cleaning agent on the surface of the stainless steel material treated in the first step by using clean water;
step three, electrolytic polishing: performing electrolytic polishing treatment on the stainless steel processed in the second step, wherein the stainless steel is placed at an anode, and a lead material is set as a cathode material;
step four, secondary water washing: carrying out secondary water washing treatment on the stainless steel subjected to the third step, and cleaning electrolyte and polishing dirt on the surface of the stainless steel subjected to electrolytic polishing;
step five, airing steel: placing the stainless steel processed in the fourth step in a ventilation drying place for airing;
step six, steel curling: putting the stainless steel processed in the fifth step into a stainless steel plate curling device for curling;
step seven, storing steel: and (4) stacking the stainless steel plates processed in the step six, and placing the stacked stainless steel plates in a dry and cool place for storage.
The stainless steel edge coiling device used in the steps comprises an installation frame 1, a flanging external member 2 and a traction external member 3, wherein the flanging external member 2 and the traction external member 3 are sequentially arranged in the installation frame 1 from top to bottom.
The hemming kit 2 comprises a guide slide seat 21, bearing slide sleeves 22, a connecting block 23, a rotating shaft 24, a hemming roller 25, a clamping mechanism 26, a motor A, an installation base plate 27, a sliding column 28 and a guide sliding plate 29, wherein the guide slide seat 21 is installed on the inner wall of the installation frame 1 in a welding mode, a T-shaped sliding groove A is arranged inside the guide slide seat 21, the bearing slide sleeves 22 which are matched with the T-shaped sliding groove A for use are symmetrically arranged inside the guide slide seat 21 in a sliding connection mode, the number of the bearing slide sleeves 22 is two, the connecting block 23 is arranged on the lower end face of the bearing slide sleeve 22, the rotating shaft 24 is arranged on the bearing slide sleeve 22 in a bearing connection mode, the hemming roller 25 is installed on the rotating shaft 24, a notch is formed on the hemming roller 25, the clamping mechanism 26 is arranged inside the hemming roller 25, the front end of the rotating shaft 24, be provided with slide post 28 through the welded mode on the terminal surface under installation backing plate 27, slide post 28 lower extreme is provided with direction slide 29 through sliding connection's mode, be provided with the spout A who mutually supports the use with slide post 28 on the direction slide 29, direction slide 29 passes through welded mode fixed mounting on the mounting bracket 1 inner wall, concrete during operation, the steel sheet manual work that will carry out the hemming operation is placed inside the breach of hemming roller 25, clamping mechanism 26 begins work, the steel sheet that will carry out the hemming operation is fixed, motor A begins to work simultaneously, it rotates to drive rotation axis 24, and then drive hemming roller 25 and rotate, and then drive the steel sheet that needs the hemming operation and carry out the hemming operation.
The clamping mechanism 26 comprises a trigger slide bar 261, an extrusion push rod 262, a T-shaped air bag 263, a transverse slide bar 264, a downward push rod 265, an air storage bag A266, an ejection push rod 267, a snap plate 268 and a tightening column 269, wherein the trigger slide bar 261 is installed on the inner wall of the hemming roller 25 in a sliding connection mode, the extrusion push rod 262 is symmetrically abutted on the upper end face and the lower end face of the trigger slide bar 261, the T-shaped air bag 263 is arranged on the outer side of the upper end of the extrusion push rod 262, the transverse slide bar 264 is arranged at the right end inside the T-shaped air bag 263, the downward push rod 265 is abutted on the inner side of the transverse slide bar 264, the air storage bag A266 is internally provided with the ejection push rod 267, the snap plate 268 is arranged on the ejection push rod 267 in a welding mode, the tightening column 269 is uniformly arranged on the snap plate 268, when the steel plate needing hemming operation is placed at the notch of the hemming roller 25, and then the extrusion push rod 262 is driven to move towards two sides, so that the air in the T-shaped air bag 263 is extruded, the transverse sliding rod 264 is driven to move towards the right, the downlink push rod 265 is driven to move downwards, the air in the air storage bag A266 is extruded, the ejection push rod 267 is driven to move towards the surface of the steel plate, the alignment plate 268 is driven to move, the ejection column 269 is driven to move to the surface of the steel plate to be curled, and the purpose of clamping the steel plate is achieved.
Clamping columns 2641 are uniformly abutted on the upper end face and the lower end face of the transverse sliding rod 264, and the clamping columns 2641 are connected to the inner wall of the hemming roller 25 through springs.
The upper end and the lower end of the outer wall of the hemming roller 25 are provided with bolt slotted holes A in a staggered mode, and fixing pins 251 which are matched with each other for use are arranged inside the bolt slotted holes A.
The fixing pin 251 is symmetrically provided with fixing holes B on the side wall, fixing columns 2511 which are matched with each other for use are arranged on the outer sides of the fixing holes B, the fixing columns 2511 are installed on the inner wall of the hemming roller 25 in a sliding connection mode, and balls are uniformly arranged at the heads of the fixing columns 2511.
The traction external member 3 comprises a motor B, a rotating column 31, a rotating plate 32, connecting columns 33, connecting strips 34, a traction column 35, a traction plate 36, connecting rods 37 and a fixing plate 38, the motor B is fixedly installed on the inner wall of the installation frame 1 through a motor base, the rotating column 31 is installed on an output shaft of the motor B, the rotating plate 32 is arranged at the upper end of the rotating column 31 in a welding mode, two connecting columns 33 are uniformly arranged on the upper end surface of the rotating plate 32 in a welding mode, the connecting strips 34 are installed on the connecting columns 33, the traction column 35 is installed at the other end of each connecting strip 34, the traction plate 36 is arranged at the upper end of each traction column 35, two connecting rods 37 are uniformly arranged on the traction plate 36 in a welding mode, the fixing plate 38 is arranged at the upper ends of the connecting rods 37, the fixing plate 38 is fixedly installed together with the, the rotating column 31 is driven to rotate, and then the rotating plate 32 is driven to rotate, so that the connecting strip 34 and the traction column 35 are driven to move towards the middle area, the traction plate 36, the connecting rod 37 and the fixed plate 38 are driven to move inwards, and the hemming roller 25 is driven to move inwards through the connecting block 23 and the sliding column 28, so that the purpose of hemming the stainless steel plate is achieved.
When in work:
s1, installing a steel plate: and manually placing the steel plate to be subjected to hemming operation into the notch of the hemming roller 25, thereby finishing the purpose of mounting the steel plate.
S2, steel plate clamping: when the inside breach department of hemming roller 25 is placed to the steel sheet that needs the turn-up, the extrusion triggers slide bar 261 to move to the outside, and then drives extrusion push rod 262 to the motion of both sides, thereby extrude the inside air of T type gasbag 263, drive horizontal slide bar 264 and move right, thereby promote down push rod 265 downstream, extrude the inside air of gas storage bag A266, drive ejecting push rod 267 to steel sheet surface motion, thereby drive level board 268 and move, drive the tight post 269 motion of top to the steel sheet surface that needs the turn-up, thereby reach the purpose of pressing from both sides tight steel sheet.
S3, fixing a steel plate: the fixing pin 251 is manually inserted into the pin slot a on the surface of the hemming roller 25, and the fixing post 2511 starts to work and is inserted into the fixing hole B on the side wall of the fixing pin 251, thereby achieving the purpose of fixing the steel plate.
S4, steel plate edge curling: the motor B starts to work to drive the rotating column 31 to rotate, and further drive the rotating plate 32 to rotate, so as to drive the connecting strip 34 and the traction column 35 to move towards the middle area, and further drive the traction plate 36, the connecting rod 37 and the fixing plate 38 to move inwards, and further drive the hemming roller 25 to move inwards through the connecting block 23 and the sliding column 28, and meanwhile, the hemming roller 25 is driven to rotate by the motor a, so that the purpose of hemming the stainless steel plate is achieved.
S5, repeating the steps S1 to S4, and continuously performing the stainless steel plate hemming operation.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a stainless steel plate production manufacturing turn-up processing technology, its has used a stainless steel plate crimping device, and this stainless steel crimping device includes mounting bracket (1), turn-up external member (2) and pulls external member (3), its characterized in that: the specific method for using the stainless steel curling device to curl stainless steel materials is as follows:
step one, cleaning steel: cleaning oil stains on the surface of the stainless steel plate by using an oil stain cleaning agent;
step two, washing steel materials: cleaning the oil stain cleaning agent on the surface of the stainless steel material treated in the first step by using clean water;
step three, electrolytic polishing: performing electrolytic polishing treatment on the stainless steel processed in the second step, wherein the stainless steel is placed at an anode, and a lead material is set as a cathode material;
step four, secondary water washing: carrying out secondary water washing treatment on the stainless steel subjected to the third step, and cleaning electrolyte and polishing dirt on the surface of the stainless steel subjected to electrolytic polishing;
step five, airing steel: placing the stainless steel processed in the fourth step in a ventilation drying place for airing;
step six, steel curling: putting the stainless steel processed in the fifth step into a stainless steel plate curling device for curling;
step seven, storing steel: stacking the stainless steel plates treated in the sixth step, and placing the stacked stainless steel plates in a dry and cool place for storage;
a crimping sleeve (2) and a traction sleeve (3) are sequentially arranged in the mounting frame (1) from top to bottom;
the hemming kit (2) comprises a guide sliding seat (21), a bearing sliding sleeve (22), connecting blocks (23), a rotating shaft (24), a hemming roller (25), a clamping mechanism (26), a motor A, an installation base plate (27), a sliding column (28) and a guide sliding plate (29), wherein the guide sliding seat (21) is installed on the inner wall of the installation frame (1) in a welding mode, a T-shaped sliding groove A is formed in the guide sliding seat (21), the bearing sliding sleeves (22) which are matched with the T-shaped sliding groove A for use are symmetrically arranged in the guide sliding seat (21) in a sliding connection mode, the number of the bearing sliding sleeves (22) is two, the connecting blocks (23) are arranged on the lower end face of the bearing sliding sleeve (22), the rotating shaft (24) is arranged on the bearing sliding sleeve (22) in a bearing connection mode, the hemming roller (25) is installed on the rotating shaft (24), and, a clamping mechanism (26) is arranged in the hemming roller (25), the front end of a rotating shaft (24) is fixed on an output shaft of a motor A, the motor A is installed on an installation base plate (27), a sliding column (28) is arranged on the lower end face of the installation base plate (27) in a welding mode, a guide sliding plate (29) is arranged at the lower end of the sliding column (28) in a sliding connection mode, a sliding chute A matched with the sliding column (28) for use is arranged on the guide sliding plate (29), and the guide sliding plate (29) is fixedly installed on the inner wall of the installation frame (1) in a welding mode;
the traction external member (3) comprises a motor B, a rotating column (31), a rotating plate (32), connecting columns (33), connecting strips (34), traction columns (35), a traction plate (36), connecting rods (37) and a fixing plate (38), wherein the motor B is fixedly installed on the inner wall of the installation frame (1) through a motor base, the rotating column (31) is installed on an output shaft of the motor B, the rotating plate (32) is arranged at the upper end of the rotating column (31) in a welding mode, the two connecting columns (33) are uniformly arranged on the upper end surface of the rotating plate (32) in a welding mode, the connecting strips (34) are installed on the connecting columns (33), the traction column (35) is installed at the other end of the connecting strips (34), the traction plate (36) is arranged at the upper end of the traction column (35), the two connecting rods (37) are uniformly arranged on the traction plate (36) in a welding mode, the fixing plate (38) is fixedly arranged with the connecting block (23) and the lower end surface of the sliding column (28);
the clamping mechanism (26) comprises a trigger sliding rod (261), an extrusion push rod (262), a T-shaped air bag (263), a transverse sliding rod (264), a downlink push rod (265), an air storage bag A (266), an ejection push rod (267), a sliding plate (268) and a jacking column (269), the trigger sliding rod (261) is installed on the inner wall of the hemming roller (25) in a sliding connection mode, the extrusion push rod (262) is symmetrically abutted against the upper end face and the lower end face of the trigger sliding rod (261), the T-shaped air bag (263) is arranged on the outer side of the upper end of the extrusion push rod (262), the transverse sliding rod (264) is arranged at the right end inside the T-shaped air bag (263), the downlink push rod (265) is abutted against the inner side of the transverse sliding rod (264), the air storage bag A (266) is arranged on the inner side of the air storage bag A (266), the ejection push rod (267) is provided with, the aligning plate (268) is uniformly provided with tightening columns (269).
2. The hemming process for manufacturing a stainless steel plate according to claim 1 wherein: clamping columns (2641) are uniformly abutted against the upper end face and the lower end face of the transverse sliding rod (264), and the clamping columns (2641) are connected to the inner wall of the hemming roller (25) through springs.
3. The hemming process for manufacturing a stainless steel plate according to claim 1 wherein: the upper end and the lower end of the outer wall of the hemming roller (25) are provided with bolt slotted holes A in a staggered mode, and fixing pins (251) which are matched with each other to use are arranged inside the bolt slotted holes A.
4. The hemming process for manufacturing a stainless steel plate according to claim 3 wherein: the fixing pin (251) is symmetrically provided with fixing holes B on the side wall, fixing columns (2511) which are matched with each other for use are arranged on the outer sides of the fixing holes B, the fixing columns (2511) are installed on the inner wall of the hemming roller (25) in a sliding connection mode, and balls are uniformly arranged at the heads of the fixing columns (2511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375457.XA CN111014395B (en) | 2019-12-27 | 2019-12-27 | Hemming treatment process for stainless steel plate production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375457.XA CN111014395B (en) | 2019-12-27 | 2019-12-27 | Hemming treatment process for stainless steel plate production |
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| CN111014395A CN111014395A (en) | 2020-04-17 |
| CN111014395B true CN111014395B (en) | 2020-12-11 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB265102A (en) * | 1926-10-04 | 1927-02-03 | George Harry Higgins | Improvements in machines for wiring, edging, and seaming oval sheet metal articles |
| KR101029548B1 (en) * | 2009-03-13 | 2011-04-15 | 신성정밀공업주식회사 | Curling device and method for square can |
| CN104511507A (en) * | 2013-09-27 | 2015-04-15 | 天津华夏防火设备有限公司 | Automatic edge curling device of steel door sheet |
| CN207325688U (en) * | 2017-08-24 | 2018-05-08 | 东莞市正太合信自动化设备有限公司 | A kind of electric cooker shell pre-curl device |
| CN109226400B (en) * | 2018-09-08 | 2020-01-07 | 唐山国义特种钢铁有限公司 | Automatic edge curling production line for color steel |
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Effective date of registration: 20201123 Address after: 225600, Yangzhou City, Jiangsu province Gaoyou Town Industrial Park Applicant after: JIANGSU HENGTIANYUAN LIGHTING GROUP Co.,Ltd. Address before: 247100 No. 66 Tonggang Road, Guichi District, Chizhou City, Anhui Province (Anhui Baiying Precision Machine Tool Co., Ltd.) Applicant before: Zhang Yu |
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| GR01 | Patent grant |