CN113231501A - Edge folding device for metal sheet - Google Patents
Edge folding device for metal sheet Download PDFInfo
- Publication number
- CN113231501A CN113231501A CN202110730930.2A CN202110730930A CN113231501A CN 113231501 A CN113231501 A CN 113231501A CN 202110730930 A CN202110730930 A CN 202110730930A CN 113231501 A CN113231501 A CN 113231501A
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- China
- Prior art keywords
- flanging
- wheel
- unit
- metal sheet
- groove
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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.)
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Classifications
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
- B21D5/042—With a rotational movement of the bending blade
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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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- 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
Abstract
The invention discloses a flanging device for a metal sheet, and relates to the sheet metal technology; the method is characterized in that: the method comprises the following steps: the supporting unit, the flanging unit, the pressing unit and the power unit are all four parts; the width-narrowing transition part of the slideway is gradually changed, so that the edges of two sides of the metal plate to be processed are forcibly folded for 90 degrees, the bottom surface of the folded edge forming block is provided with a groove, the edges of two sides of the metal plate to be processed are continuously and forcibly turned inwards to 180 degrees, the rubber wheel is correspondingly attached to the roller wheel, the metal plate to be processed can be pulled to move forwards in work, and the edges of two sides turned for 180 degrees are synchronously compacted; the invention has the beneficial effects that: the precision sheet metal technology is specially used for folding and pressing 180 degrees of edges on two sides of a small metal sheet, and can be used for folding edges of a coiled material, wherein the surfaces of the folded edges are smooth and have no folds and burrs.
Description
Technical Field
The invention relates to the technology of sheet metal.
Background
In sheet metal work, a metal plate is often subjected to edge folding, stainless steel coiled materials or plates are commonly used, and equipment such as a bending machine, a curling machine, a flanging machine and the like is used, but the equipment is heavy in size and only used for machining larger workpieces; the hem of a small metal sheet is mostly processed by hands, and wrinkles are easy to appear, particularly, the stainless steel sheet has the defects of poor appearance and consistency of products, influence on product performance and the like, and particularly, the hem of a coiled material is more difficult; the sheet metal technology level of some precision equipment is very high, for example, a stainless steel sheet for voltage sharing used in a high-voltage coil or high-voltage equipment is required to have smooth edges and no burrs, otherwise, because the electrical faults such as sparking and the like caused by point discharge, two side edges of the sheet need to be turned over and pressed for 180 degrees, and the surface is very smooth.
In the prior art, the processing technology of a large workpiece is mostly aimed at, and the utility model patent with application number 2020213142425, namely 'a curling mechanism of a curling machine', can only be used for curling a disc-shaped workpiece; the utility model with the application number of 2019210439691 discloses a steel plate flanging machine for producing fireproof doors, which can be only used for flanging a large steel plate workpiece and only turns over for 90 degrees; the invention discloses an aluminum material full-automatic flanging machine with application number 2020115657454, which realizes polygonal flanging of one side edge of a metal sheet, but cannot solve the problem of 180-degree flanging.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a metal sheet edge folding device which is small in size, is specially used for a precise sheet metal technology for folding and pressing 180 degrees of edges of two sides of a small metal sheet, can be used for folding edges of a coiled material, has a smooth edge folding rear surface, is free of folds and burrs, and ensures consistency.
In order to achieve the above object, the present invention provides a hemming device for a metal sheet, comprising:
the supporting unit comprises a supporting platform 11, a slide way 12 and a bearing frame 18, wherein the supporting platform 11 is a cuboid, and the slide way 12 is fixedly arranged on the upper table surface of the supporting platform; the sink groove at the right side part of the slideway 12 is wider, the sink groove at the left side part is narrower, the width of the sink groove is gradually changed from the width-narrowing transition part, the gradually changed part corresponds to the flanging forming wheel 9, the edges at two sides of the metal plate to be processed with the initial width equal to the width of the wide sink groove at the right side of the slideway 12 are forcedly flanged for 90 degrees, and the width is changed into the width of the narrow sink groove at the left side of the slideway 12;
the flanging unit comprises a flanging pressing plate 10, a flanging forming wheel 9 and a flanging forming block 8, wherein the flanging forming wheel 9 is arranged on a slideway 12 on the left side of the flanging pressing plate 10, and the main body of the flanging unit is a roller with the width equal to that of a narrow lower leveling groove on the left side of the slideway 12; the edge folding forming block 8 is arranged on a slide way 12 on the left side of the edge folding forming wheel 9, and two grooves are formed on the raised surface at the bottom of the edge folding forming block;
the pressing unit comprises a driven gear 3, a roller 4, a driven shaft 7, a driving shaft 16, a deep groove ball bearing 17, a rubber passing wheel 19 and a driving gear 20; after the rubber wheel 19, the driving gear 20 and the driving shaft 16 are fixed into a whole, the end part of the driving shaft 16 is connected with a deep groove ball bearing 17, and the deep groove ball bearing 17 is fixed in a circular hole at the lower half part of the bearing frame 18; the roller 4, the driven gear 3 and the driven shaft 7 are fixed into a whole and then are arranged above the rubber wheel 19, and the wheel surfaces correspond to each other;
the power unit comprises a variable frequency speed reducing motor 13, a fixed rod 14 and a coupling 15; the variable frequency speed reducing motor 13 is fixed on a bearing frame 18 through a fixed rod 14, and drives a driving shaft 16 to rotate through a coupler 15.
Furthermore, in the support unit, the slide way 12 is in a long strip plate shape, the long edges at two sides are protruded to form a frame, and the middle part is a sinking flat groove and is used for guiding the metal plate to be processed to move from the left end to the right end; two sides of the left end of the supporting platform 11 are respectively and fixedly provided with a bearing frame 18, and the bearing frame 18 is provided with a U-shaped groove with an upward opening and is used for bearing the movable bearing pedestal 1.
Further, in the flanging unit, two ends of the flanging press plate 10 are fixed on the frame at two sides of the right end of the slideway 12, the middle part of the bottom surface of the flanging press plate protrudes downwards and forms a gap with the sunken flat groove, and the gap allows the metal plate to be processed to pass through and forces the coiled material to be flattened.
Furthermore, the middle shaft of the flanging unit 9 extends out to straddle a bracket fixed on the frame of the slideway 12, and two ends of the flanging unit are pulled downwards by springs to maintain the pressure of the flanging forming wheel 9 on the metal plate to be processed; the depth of the right end of the groove on the raised surface at the bottom of the flanging forming block 8 can accommodate the edge of the metal plate to be processed which is turned up by 90 degrees, and the groove extends leftwards and becomes shallow gradually and narrow inwards, so that the edges of two sides of the metal plate to be processed which is turned up by 90 degrees are continuously forced to be turned inwards to 180 degrees.
Furthermore, the pressing unit further comprises a movable bearing seat 1 and a self-aligning bearing 2, two ends of the driven shaft 7 are respectively connected with the self-aligning bearing 2, the self-aligning bearing 2 is embedded and fixed in a central opening of the movable bearing seat 1, two side edges of the movable bearing seat 1 are provided with longitudinal grooves, and the longitudinal grooves are correspondingly inserted into the U-shaped grooves of the bearing frame 18.
Furthermore, the pressing unit and the driving gear 20 are meshed with the driven gear 3, the rubber wheel 19 corresponds to the laminating roller 4, so that the metal plate to be processed can be pulled to move forwards in work, and the pressing and compacting of the edges at two sides, which are turned over for 180 degrees, can be synchronously realized; the driving gear 20 and the driven gear 3 have the same module, the transmission ratio is 1:1, the outer diameters of the roller 4 and the rubber passing wheel 19 are the same, and the linear speed is the same.
Furthermore, the pressing unit and the movable bearing seat 1 can slide up and down in the U-shaped groove, so that the center distance between the roller 4 and the rubber wheel 19 can be adjusted, and the surface of the rubber wheel 19 is made of 80A rubber, so that the folded edge can be smooth, and the damage can be avoided.
Furthermore, the pressing unit further comprises a cover plate 5 and a plum blossom hand wheel 6, four corners of the cover plate 5 are fixed at four top ends of the U-shaped groove, two plum blossom hand wheels 6 are arranged to adjust the positions of the movable bearing seats 1 respectively, and further the center distance between the idler wheel 4 and the rubber wheel 19 is controlled, so that the folded edge is pressed and compacted.
The invention has the beneficial effects that: the utility model provides a sheet metal's hem device, small, the 180 degrees of being exclusively used in smallclothes sheet metal both sides edge are turned over and are compressed tightly accurate panel beating technique to can be used to the coiled material hem, the hem rear surface is smooth, no fold and burr, guarantees the uniformity.
Drawings
The technical scheme of the invention is further explained in detail by combining the attached drawings and the detailed implementation mode;
FIG. 1: a general schematic view of a flanging device;
FIG. 2 is a drawing: a structure diagram of the slideway;
FIG. 3: patterning by using the flanging molding block;
in the figure: 1. moving the bearing seat; 2. a self-aligning bearing; 3. a driven gear; 4. a roller; 5. a cover plate; 6. a plum blossom hand wheel; 7. a driven shaft; 8. folding and forming the block; 9. folding and forming wheels; 10. folding and pressing plates; 11. a support table; 12. a slideway; 13. a variable frequency reduction motor; 14. fixing the rod; 15. a coupling; 16. a drive shaft; 17. a deep groove ball bearing; 18. a bearing bracket; 19. passing through a rubber wheel; 20. A drive gear.
Detailed Description
The assembling structure comprises: a flanging device for a metal sheet comprises a supporting unit, a flanging unit, a pressing unit and a power unit.
The supporting platform 11 is a cuboid, and a slideway 12 is fixedly arranged on the upper table top of the supporting platform; the sink groove at the right side part of the slideway 12 is wider, the sink groove at the left side part is narrower, the width of the sink groove is gradually changed from the width-narrowing transition part, the gradually changed part corresponds to the flanging forming wheel 9, the edges at two sides of the metal plate to be processed with the initial width equal to the width of the wide sink groove at the right side of the slideway 12 are forcedly flanged for 90 degrees, and the width is changed into the width of the narrow sink groove at the left side of the slideway 12; the slideway 12 is in a long strip plate shape, the long edges at two sides are protruded to form a frame, the middle part is a sinking flat groove and is used for guiding the metal plate to be processed to move from the left end to the right end; two sides of the left end of the supporting platform 11 are respectively and fixedly provided with a bearing frame 18, and the bearing frame 18 is provided with a U-shaped groove with an upward opening and is used for bearing the movable bearing pedestal 1.
The flanging unit is characterized in that a flanging forming wheel 9 is arranged on a slideway 12 on the left side of a flanging press plate 10, and the main body of the flanging unit is a roller with the width equal to that of a narrow sinking flat groove on the left side of the slideway 12; the edge folding forming block 8 is arranged on a slide way 12 on the left side of the edge folding forming wheel 9, and two grooves are formed on the raised surface at the bottom of the edge folding forming block; the two ends of the flanging press plate 10 are fixed on the frames at the two sides of the right end of the slideway 12, the middle part of the bottom surface of the flanging press plate protrudes downwards and forms a gap with the sinking flat groove, and the gap allows a metal plate to be processed to pass through and forces the coiled material to be flattened; the middle shaft of the flanging forming wheel 9 extends out, straddles on a bracket fixed on the frame of the slideway 12, and the two ends of the flanging forming wheel are pulled downwards by a spring to maintain the pressure of the flanging forming wheel 9 on a metal plate to be processed; the depth of the right end of the groove on the raised surface at the bottom of the flanging forming block 8 can accommodate the edge of the metal plate to be processed which is turned up by 90 degrees, and the groove extends leftwards and becomes shallow gradually and narrow inwards, so that the edges of two sides of the metal plate to be processed which is turned up by 90 degrees are continuously forced to be turned inwards to 180 degrees.
After the rubber wheel 19, the driving gear 20 and the driving shaft 16 are fixed into a whole, the end part of the driving shaft 16 is connected with the deep groove ball bearing 17, and the deep groove ball bearing 17 is fixed in a lower half round hole of the bearing frame 18; the roller 4, the driven gear 3 and the driven shaft 7 are fixed into a whole and then are arranged above the rubber wheel 19, and the wheel surfaces correspond to each other; two ends of the driven shaft 7 are respectively connected with a self-aligning bearing 2, the self-aligning bearing 2 is embedded and fixed in a central opening of the movable bearing seat 1, and two side edges of the movable bearing seat 1 are provided with longitudinal grooves which are correspondingly inserted into a U-shaped groove of the bearing frame 18; the driving gear 20 is meshed with the driven gear 3, the rubber wheel 19 corresponds to the laminating roller 4, the metal plate to be processed can be pulled to move forwards in work, and the edges at two sides, which are turned over for 180 degrees, are compressed and compacted synchronously; the driving gear 20 and the driven gear 3 have the same modulus, the transmission ratio is 1:1, the outer diameters of the roller 4 and the rubber passing wheel 19 are the same, and the linear velocities are the same; the movable bearing seat 1 can slide up and down in the U-shaped groove, so that the center distance between the roller 4 and the rubber passing wheel 19 can be adjusted, and the surface of the rubber passing wheel 19 is made of 80A rubber, so that the smooth folding edge can be ensured, and the damage can be avoided; four corners of the cover plate 5 are fixed at four top ends of the U-shaped groove, two plum-blossom hand wheels 6 are arranged to adjust the positions of the movable bearing seats 1 respectively, and further the center distance between the idler wheels 4 and the rubber wheel 19 is controlled, so that the folded edge is compressed and compacted.
The power unit, the variable frequency speed reducing motor 13 is fixed on the bearing bracket 18 through the fixed rod 14, and drives the driving shaft 16 to rotate through the coupling 15.
The use process comprises the following steps: the device is ensured to be firmly installed and in a power-off state; the plum blossom-shaped hand wheel 6 is loosened, so that the movable bearing seat 1 can slightly move up and down along the U-shaped groove of the bearing frame 18; trimming a to-be-processed metal sheet coil to enable the width of an initial section of the to-be-processed metal sheet coil to be slightly smaller than the width of a to-be-prepared finished product after flanging and the length of the to-be-prepared finished product to be slightly longer than the length of a slideway 12, sequentially enabling the front end of the trimmed metal sheet to pass through a flanging pressing plate 10, a flanging forming wheel 9, a flanging forming block 8 and a gap between the slideway 12, forcibly flattening the coil at the position of the flanging pressing plate 10, and continuously moving the front end of the metal sheet to the left side to be between a roller 4 and a glue passing wheel 19 to enable the front end of the metal sheet to extend out; electrifying the variable-frequency speed reducing motor 13, adjusting the frequency converter to enable the revolution number to be moderate, rotating the plum-blossom-shaped hand wheel 6, adjusting the center distance between the roller 4 and the rubber wheel 19, pressing the metal sheet tightly and forming stable traction force on the metal sheet; the metal sheet moves leftwards stably in the groove of the slide rail 12, when the metal sheet passes through the position of the flanging forming wheel 9, the two sides of the metal sheet are symmetrically flanged by 90 degrees, when the metal sheet passes through the position of the flanging forming block 8, the metal sheet is flanged to 180 degrees, the plum blossom hand wheel 6 is finely adjusted again according to the flanging condition of the metal sheet, and the flanging is guaranteed to be compacted.
The above detailed description is only used to illustrate the technical solution of the present invention, and the expressions "upper, lower, left, right" are based on the visual description of the drawings, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (8)
1. A hemming device for a metal sheet comprising:
the supporting unit comprises a supporting table (11), a slide way (12) and a bearing frame (18), wherein the supporting table (11) is a cuboid, and the slide way (12) is fixedly arranged on the upper table top of the supporting table; the sink groove at the right side part of the slideway (12) is wider, the sink groove at the left side part is narrower, the width and the narrowing transition part are gradually changed, and the gradually changed part corresponds to the flanging molding wheel (9);
the flanging unit comprises a flanging pressing plate (10), a flanging forming wheel (9) and a flanging forming block (8), wherein the flanging forming wheel (9) is arranged on a slideway (12) on the left side of the flanging pressing plate (10), and the main body of the flanging unit is a roller with the width equal to the width of a narrow sinking flat groove on the left side of the slideway (12); the edge folding forming block (8) is arranged on a slide way (12) on the left side of the edge folding forming wheel (9), and two grooves are formed on the raised surface at the bottom of the edge folding forming block;
the pressing unit comprises a driven gear (3), a roller (4), a driven shaft (7), a driving shaft (16), a deep groove ball bearing (17), a rubber passing wheel (19) and a driving gear (20); after the rubber wheel (19), the driving gear (20) and the driving shaft (16) are fixed into a whole, the end part of the driving shaft (16) is connected with the deep groove ball bearing (17), and the deep groove ball bearing (17) is fixed in a lower half round hole of the bearing frame (18); the roller (4), the driven gear (3) and the driven shaft (7) are fixed into a whole and then are arranged above the rubber wheel (19), and the wheel surfaces correspond to each other;
the power unit comprises a variable-frequency speed reducing motor (13), a fixed rod (14) and a coupling (15); the variable-frequency speed reducing motor (13) is fixed on the bearing frame (18) through a fixing rod (14), and a driving shaft (16) is driven to rotate through a coupler (15).
2. A hemming device for a metal sheet of claim 1 wherein: the slideway (12) of the supporting unit is in a long strip plate shape, long edges at two sides are protruded to form a frame, and the middle part is a sinking flat groove; two sides of the left end of the support table (11) are respectively and fixedly provided with a bearing frame (18), and the bearing frame (18) is provided with a U-shaped groove with an upward opening.
3. A hemming device for a metal sheet of claim 1 wherein: and two ends of the flanging unit and the flanging pressing plate (10) are fixed on the frames on two sides of the right end of the slide way (12), the middle part of the bottom surface of the flanging unit protrudes downwards, and a gap is formed between the flanging unit and the sinking flat groove.
4. A hemming device for a metal sheet of claim 1 wherein: the middle shaft of the flanging unit, the flanging forming wheel (9) extends out, the flanging unit straddles on a bracket fixed on the frame of the slideway (12), and two ends of the flanging unit are pulled downwards by using a spring; on the protruding surface at the bottom of the flanging forming block (8), the depth of the right end of the groove can accommodate the edge of the metal plate to be processed which is turned up by 90 degrees, and the groove extends leftwards and becomes shallow gradually and narrow inwards, so that the edges of two sides of the metal plate to be processed which is turned up by 90 degrees are continuously forced to be turned inwards to 180 degrees.
5. A hemming device for a metal sheet of claim 1 wherein: the pressing unit further comprises a movable bearing seat (1) and a self-aligning bearing (2), the two ends of the driven shaft (7) are respectively connected with the self-aligning bearing (2), the self-aligning bearing (2) is embedded and fixed in a central opening of the movable bearing seat (1), and two side edges of the movable bearing seat (1) are longitudinally grooved and correspondingly inserted into a U-shaped groove of the bearing frame (18).
6. A hemming device for a metal sheet of claim 1 wherein: the pressing unit is characterized in that a driving gear (20) is meshed with a driven gear (3), and a rubber wheel (19) is correspondingly attached to the roller (4); the driving gear (20) and the driven gear (3) have the same module, and the outer diameters of the roller (4) and the rubber wheel (19) are the same.
7. A hemming device for a metal sheet of claim 1 wherein: the pressing unit and the movable bearing seat (1) can slide up and down in the U-shaped groove, and the surface of the rubber wheel (19) is made of 80A rubber.
8. A hemming device for a metal sheet of claim 1 wherein: the pressing unit further comprises a cover plate (5) and a plum blossom hand wheel (6), four corners of the cover plate (5) are fixed to four top ends of the U-shaped groove, and the two plum blossom hand wheels (6) are arranged to adjust the positions of the movable bearing seats (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110730930.2A CN113231501A (en) | 2021-06-30 | 2021-06-30 | Edge folding device for metal sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110730930.2A CN113231501A (en) | 2021-06-30 | 2021-06-30 | Edge folding device for metal sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113231501A true CN113231501A (en) | 2021-08-10 |
Family
ID=77141194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110730930.2A Withdrawn CN113231501A (en) | 2021-06-30 | 2021-06-30 | Edge folding device for metal sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113231501A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE849465A (en) * | 1976-10-21 | 1977-04-15 | LARGE SURFACE SHEET BLANK EDGE BENDING DEVICE | |
| WO1995021711A1 (en) * | 1994-02-14 | 1995-08-17 | Western Atlas U.K. Limited | Improved hemming machine |
| CN203076506U (en) * | 2013-01-29 | 2013-07-24 | 长沙友佳实业有限公司 | Automatic flattening equipment for enamelled copper wire of starter motor of automobile |
| CN206426519U (en) * | 2017-01-05 | 2017-08-22 | 合肥德盛包装有限公司 | A kind of automatic bellows sheet feeder |
| CN210497823U (en) * | 2019-07-16 | 2020-05-12 | 无锡市协恩电气设备有限公司 | Copper strips machine hem device convenient to compress tightly |
| CN211095293U (en) * | 2019-08-27 | 2020-07-28 | 佛山市诺唯卫生用品有限公司 | Sanitary product absorbs core device of borduring |
| CN211276037U (en) * | 2019-12-28 | 2020-08-18 | 威海邦德散热系统股份有限公司 | Fin flanging mechanism of automobile water tank radiator |
| CN211685771U (en) * | 2020-01-16 | 2020-10-16 | 安徽省奇得电子科技有限公司 | Adjustable pressure-sensing rubber wheel of SMD element packaging machine |
| CN112139325A (en) * | 2020-09-24 | 2020-12-29 | 安徽玄同机电科技有限公司 | Embossing and curling equipment for edge of metal sheet |
-
2021
- 2021-06-30 CN CN202110730930.2A patent/CN113231501A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE849465A (en) * | 1976-10-21 | 1977-04-15 | LARGE SURFACE SHEET BLANK EDGE BENDING DEVICE | |
| WO1995021711A1 (en) * | 1994-02-14 | 1995-08-17 | Western Atlas U.K. Limited | Improved hemming machine |
| CN203076506U (en) * | 2013-01-29 | 2013-07-24 | 长沙友佳实业有限公司 | Automatic flattening equipment for enamelled copper wire of starter motor of automobile |
| CN206426519U (en) * | 2017-01-05 | 2017-08-22 | 合肥德盛包装有限公司 | A kind of automatic bellows sheet feeder |
| CN210497823U (en) * | 2019-07-16 | 2020-05-12 | 无锡市协恩电气设备有限公司 | Copper strips machine hem device convenient to compress tightly |
| CN211095293U (en) * | 2019-08-27 | 2020-07-28 | 佛山市诺唯卫生用品有限公司 | Sanitary product absorbs core device of borduring |
| CN211276037U (en) * | 2019-12-28 | 2020-08-18 | 威海邦德散热系统股份有限公司 | Fin flanging mechanism of automobile water tank radiator |
| CN211685771U (en) * | 2020-01-16 | 2020-10-16 | 安徽省奇得电子科技有限公司 | Adjustable pressure-sensing rubber wheel of SMD element packaging machine |
| CN112139325A (en) * | 2020-09-24 | 2020-12-29 | 安徽玄同机电科技有限公司 | Embossing and curling equipment for edge of metal sheet |
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Application publication date: 20210810 |
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