CN116020914A - Bending machine for sheet metal machining - Google Patents
Bending machine for sheet metal machining Download PDFInfo
- Publication number
- CN116020914A CN116020914A CN202211730153.2A CN202211730153A CN116020914A CN 116020914 A CN116020914 A CN 116020914A CN 202211730153 A CN202211730153 A CN 202211730153A CN 116020914 A CN116020914 A CN 116020914A
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- lower die
- arc
- wall
- sheet metal
- metal plate
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- 239000002184 metal Substances 0.000 title claims abstract description 69
- 238000005452 bending Methods 0.000 title claims abstract description 27
- 238000003754 machining Methods 0.000 title abstract description 5
- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000004804 winding Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 14
- 238000005555 metalworking Methods 0.000 claims 1
- 239000007779 soft material Substances 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Classifications
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention discloses a bending machine for sheet metal machining, which relates to the technical field of bending machines and comprises a support frame, an upper die and a lower die, wherein a protection mechanism is arranged in the lower die and comprises two rotating rollers; the two rotating rollers are rotatably arranged at the top edge of the lower die; and a protective belt installed in the middle of the lower die; the two ends of the protective belt are fixed on the inner wall of the lower die, and the protective belt can be concaved when the upper die is pressed down; when the upper die drives the metal plate to press down, the protective belt is downwards recessed along with the metal plate, and the metal plate can be protected because the protective belt is made of soft materials. According to the invention, the winding roller, the torsion spring and the protection belt are arranged, so that when the metal plate is pressed down by the upper die, the pressure overcomes the torsion force of the torsion spring to drive the winding roller to rotate, and the protection belt is recessed downwards.
Description
Technical Field
The invention relates to the technical field of bending machines, in particular to a bending machine for sheet metal machining.
Background
The bending machine is a machine capable of bending a thin plate, and structurally mainly comprises a support, a workbench and a clamping plate, wherein the workbench is arranged on the support and consists of a base and a pressing plate, the base is connected with the clamping plate through a hinge and consists of a base shell, a coil and a cover plate, the coil is arranged in a concave of the base shell, and the cover plate covers the top of the concave;
for example, one of the chinese patent publications: numerical control bender, the publication number is: in the patent of CN212704046U, the die changing component is fixed on the sliding block of the bending machine body through the first fixing bolt, but not clamped and fixed on the sliding block of the bending machine body, so that the die changing component is relatively difficult to slide in the use process, and the installation stability is relatively better, thereby reducing the probability of loosening the die changing component and the sliding block of the bending machine body after long-term use, and being beneficial to improving the bending effect;
however, the above-mentioned technique has problems in that: when bending the metal plate, the outer wall of the metal plate is in close contact with the lower die, friction can be generated in the bending process, and therefore scratches are formed on the surface of the metal, and the attractiveness is affected.
Disclosure of Invention
The invention aims to provide a bending machine for sheet metal machining, which aims to solve the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a bender is used in panel beating processing, includes support frame, goes up mould and lower mould, the inside of lower mould is provided with protection machanism, protection machanism includes:
two rotating rollers; the two rotating rollers are rotatably arranged at the top edge of the lower die; and
a protective belt arranged in the middle of the lower die; the two ends of the protective belt are fixed on the inner wall of the lower die, and the protective belt can be concaved when the upper die is pressed down;
when the upper die drives the metal plate to press down, the protective belt is downwards recessed along with the metal plate, and the protective belt is made of soft materials, so that the metal plate can be protected, and friction scratches are prevented from being generated by direct contact of the metal plate and the lower die.
According to the technical scheme, the supporting legs are welded at the bottom of the supporting frame, the lower pressing block is welded at the top of the upper die, the hydraulic cylinder is welded at the top of the lower pressing block, the top of the hydraulic cylinder is welded with the top of the supporting frame, and the lower pressing block and the upper die can be driven to move downwards through the hydraulic cylinder, so that the bending effect on the metal plate is achieved.
According to the technical scheme, the side wall of the lower die is internally provided with the rotating groove, the rolling roller is arranged in the rotating groove, the front end and the rear end of the rolling roller are hinged with the inner wall of the rotating groove through the torsion springs, the two ends of the protection belt are fixedly connected with the outer wall of the rolling roller, when the metal plate is pressed down by the upper die, the torsion force of the torsion springs is overcome by pressure to enable the rolling roller to rotate, so that the protection belt is sunken downwards, and then after the upper die moves upwards, under the action of the torsion springs, the two rolling rollers reversely rotate to tighten the protection belt, so that the protection belt is in a horizontal state.
According to the above technical scheme, the below of lower mould is provided with liftout mechanism, liftout mechanism includes:
a material ejecting rod; the material ejection rod is arranged at the bottom of the inner wall of the lower die, a groove matched with the material ejection rod is formed at the bottom of the inner wall of the lower die, and the material ejection rod is clamped in the groove;
the ejector rod can move up and down under the drive of the linear driving device, and when the ejector rod moves up, the metal plate in the lower die can be lifted up.
According to the technical scheme, the two ends of the material ejection rod are welded with the vertical rods, the vertical rods are in sliding connection with the two ends of the lower die, the top ends of the vertical rods are welded with the first magnets, the bottom of the upper die is welded with the second magnets, and the second magnets are attracted with the first magnets;
when the upper die is at the lowest position, the second magnet can attract the first magnet, and then the ejector rod can be driven to move upwards when the second magnet moves upwards, so that the metal plate is lifted.
According to the above technical scheme, one side of lower mould still is provided with pushing equipment, pushing equipment includes:
an arc-shaped plate; and
the arc-shaped plate is connected with the arc-shaped groove in a sliding manner, and a spring is welded between the bottom end of the arc-shaped plate and the inner wall of the arc-shaped groove; and
the sliding block is welded in the middle of the arc-shaped plate, a pull rope is welded on one side of the sliding block, and the top end of the pull rope is fixedly connected with the bottom of the protective belt;
the pull rope can drive the arc plate to slide upwards, and the top end of the arc plate can push the bent metal plate out of the support frame;
when the protective belt returns to the original position, the pull rope can be pulled, so that the arc-shaped plate slides upwards, and the metal plate is pushed to the rear of the supporting frame.
According to the technical scheme, one side of lower mould is provided with guiding mechanism, guiding mechanism includes:
a guide roller; the two ends of the guide roller are rotationally connected with the supporting frame through bearings;
the guide roller is driven by the driving device to rotate, and the guide roller plays a role in pushing the metal plate below the upper die.
According to the technical scheme, the side face of the upper die is welded with the rack, one end of the guide roller is welded with the driven gear, the driven gear is meshed with the rack through the transmission gear, and the transmission gear is rotationally connected with the side wall of the support frame.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the rolling rod, the torsion spring and the protective belt are arranged, so that when the metal plate is pressed down by the upper die, the pressure overcomes the torsion force of the torsion spring to drive the rolling roller to rotate, so that the protective belt is recessed downwards, the protective belt is made of soft materials, the metal plate can be protected, friction scratches are prevented from being generated by direct contact between the metal plate and the lower die, and the outer wall of the metal plate can be changed from sliding to rolling by arranging the rotating roller at the edge of the top end of the lower die, so that friction is reduced;
2. according to the invention, the upper die is driven to move through the hydraulic cylinder, when the upper die is at the lowest position, the second magnet can attract the first magnet, and then the ejector rod can be driven to move upwards when the upper die moves upwards, so that the metal plate is lifted up, and the bent metal plate can be rapidly pushed out;
3. according to the invention, the arc-shaped plate and the pull rope are arranged, and the pull rope can be pulled in the resetting process of the protective belt, so that the arc-shaped plate can slide upwards, the metal plate is pushed to the rear of the support frame, and the bent metal plate can be taken out conveniently;
4. according to the invention, the guide roller, the rack, the driven gear and the transmission gear are arranged, so that in the ascending process of the upper die, the rack drives the transmission gear and the driven gear to rotate, and finally, the guide roller is rotated, so that the metal plate can be conveyed to the lower part of the upper die.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall principle of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a perspective view of the guard mechanism of the present invention;
FIG. 4 is a perspective view of the ejector mechanism of the present invention;
FIG. 5 is a perspective view of the pushing mechanism of the present invention;
fig. 6 is a perspective view of the guide mechanism of the present invention.
In the figure: 101 supporting frame, 102 supporting legs, 103 lower pressing blocks, 104 upper dies, 105 hydraulic cylinders, 106 lower dies, 2 protection mechanisms, 201 rotating rollers, 202 winding rollers, 203 torsion springs, 204 protection belts, 3 ejection mechanisms, 301 ejection rods, 302 vertical rods, 303 first magnets, 304 second magnets, 4 ejection mechanisms, 401 arc plates, 402 arc grooves, 403 springs, 404 sliding blocks, 405 pull ropes, 5 guide mechanisms, 501 guide rollers, 502 racks, 503 transmission gears and 504 driven gears.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a bending machine for sheet metal processing includes a support frame 101, an upper die 104 and a lower die 106, a protection mechanism 2 is disposed in the lower die 106, and the protection mechanism 2 includes:
two rotating rollers 201; two rotating rollers 201 are rotatably installed at the top end edge of the lower die 106; and
a guard band 204 installed at the middle of the lower mold 106; the two ends of the guard belt 204 are fixed on the inner wall of the lower die 106, so that the guard belt 204 can be recessed when the upper die 104 is pressed down;
when the upper die 104 drives the metal plate to press down, the protecting belt 204 is recessed downwards along with the metal plate, and the protecting belt 204 is made of soft materials, so that the metal plate can be protected, and friction scratches are prevented from being generated by direct contact between the metal plate and the lower die 106.
The bottom welding of support frame 101 has supporting legs 102, and the top welding of last mould 104 has down briquetting 103, and the top welding of lower briquetting 103 has pneumatic cylinder 105, and the top of pneumatic cylinder 105 and the top welding of support frame 101 can drive down briquetting 103 and last mould 104 downwardly moving through pneumatic cylinder 105, reaches the effect of bending to the metal sheet.
A rolling roller 202 is arranged in the side wall of the lower die 106, the front end and the rear end of the rolling roller 202 are hinged with the inner wall of the rolling roller 202 through a torsion spring 203, the two ends of a protective belt 204 are fixedly connected with the outer wall of the rolling roller 202, when a metal plate is pressed down by the upper die 104, the pressure overcomes the torsion force of the torsion spring 203 to drive the rolling roller 202 to rotate, so that the protective belt 204 is sunken downwards, and then under the action of the torsion spring 203, the two rolling rollers 202 reversely rotate to tighten the protective belt 204 to enable the protective belt 204 to be in a horizontal state after the upper die 104 moves upwards;
in this embodiment, when the metal plate is pressed down by the upper die 104, the pressure overcomes the torsion force of the torsion spring 203 to drive the wind-up roller 202 to rotate, so that the guard belt 204 is recessed downwards, and since the guard belt 204 is made of soft material, the metal plate can be protected from friction scratch caused by direct contact between the metal plate and the lower die 106, and by arranging the roller 201 at the top edge of the lower die 106, the outer wall of the metal plate can be changed from sliding to rolling, and friction is reduced.
Embodiment two:
please continue to refer to fig. 4, a bending machine for sheet metal processing includes a support frame 101, an upper die 104 and a lower die 106, a protection mechanism 2 is provided in the lower die 106, and the protection mechanism 2 includes:
two rotating rollers 201; two rotating rollers 201 are rotatably installed at the top end edge of the lower die 106; and
a guard band 204 installed at the middle of the lower mold 106; the two ends of the guard belt 204 are fixed on the inner wall of the lower die 106, so that the guard belt 204 can be recessed when the upper die 104 is pressed down;
when the upper die 104 drives the metal plate to press down, the protecting belt 204 is recessed downwards along with the metal plate, and the protecting belt 204 is made of soft materials, so that the metal plate can be protected, and friction scratches are prevented from being generated by direct contact between the metal plate and the lower die 106.
The bottom welding of support frame 101 has supporting legs 102, and the top welding of last mould 104 has down briquetting 103, and the top welding of lower briquetting 103 has pneumatic cylinder 105, and the top of pneumatic cylinder 105 and the top welding of support frame 101 can drive down briquetting 103 and last mould 104 downwardly moving through pneumatic cylinder 105, reaches the effect of bending to the metal sheet.
A rolling groove is formed in the side wall of the lower die 106, a winding roller 202 is arranged in the rolling groove, the front end and the rear end of the winding roller 202 are hinged to the inner wall of the rolling groove through torsion springs 203, the two ends of a protective belt 204 are fixedly connected with the outer wall of the winding roller 202, when a metal plate is pressed down by the upper die 104, the torsion of the torsion springs 203 is overcome by pressure to enable the winding roller 202 to rotate, so that the protective belt 204 is recessed downwards, then after the upper die 104 moves upwards, under the action of the torsion springs 203, the two winding rollers 202 reversely rotate to tighten the protective belt 204, the protective belt 204 is in a horizontal state, a liftout mechanism 3 is arranged below the lower die 106, and the liftout mechanism 3 comprises:
a liftout bar 301; the material ejection rod 301 is installed at the bottom of the inner wall of the lower die 106, a groove matched with the material ejection rod 301 is formed at the bottom of the inner wall of the lower die 106, and the material ejection rod 301 is clamped in the groove;
the ejector rod 301 can move up and down under the drive of the linear driving device, and when the ejector rod 301 moves up, the metal plate in the lower die 106 can be lifted up.
The two ends of the material ejection rod 301 are welded with vertical rods 302, the vertical rods 302 are in sliding connection with the two ends of the lower die 106, the top ends of the vertical rods 302 are welded with first magnets 303, the bottom of the upper die 104 is welded with second magnets 304, and the second magnets 304 are attracted with the first magnets 303;
when the upper die 104 is at the lowest position, the second magnet 304 can attract the first magnet 303, and then can drive the ejection rod 301 to move upwards when moving upwards, so that the metal plate is ejected;
in this embodiment, the upper die 104 is driven to move by the hydraulic cylinder 105, when the upper die 104 is at the lowest position, the second magnet 304 can attract the first magnet 303, and then can drive the ejector rod 301 to move upwards when moving upwards, so as to jack up the metal plate, and the bent metal plate can be rapidly pushed out.
Embodiment III:
on the basis of the first embodiment, referring to fig. 5, a pushing mechanism 4 is further disposed on one side of the lower die 106, and the pushing mechanism 4 includes:
an arc 401; and
an arc-shaped groove 402 formed in the side wall of the lower die 106, wherein the arc-shaped plate 401 is connected with the arc-shaped groove 402 in a sliding manner, and a spring 403 is welded between the bottom end of the arc-shaped plate 401 and the inner wall of the arc-shaped groove 402; and
the sliding block 404 is welded in the middle of the arc plate 401, one side of the sliding block 404 is welded with a pull rope 405, and the top end of the pull rope 405 is fixedly connected with the bottom of the protective belt 204;
the pull rope 405 can drive the arc plate 401 to slide upwards, and the top end of the arc plate 401 can push the bent metal plate out of the support frame 101;
the pull rope 405 can be pulled in the process of resetting the protective belt 204, so that the arc plate 401 slides upwards, and the metal plate is pushed to the rear of the supporting frame 101;
in this embodiment, the pull rope 405 can be pulled during the homing process of the protecting belt 204, so that the arc plate 401 slides upwards, and the metal plate is pushed to the rear of the supporting frame 101, so that the bent metal plate can be taken out conveniently.
Embodiment four:
on the basis of the first embodiment, referring to fig. 6, a material guiding mechanism 5 is disposed on one side of the lower die 106, and the material guiding mechanism 5 includes:
a guide roller 501; two ends of the material guiding roller 501 are rotatably connected with the supporting frame 101 through bearings;
the guide roller 501 is rotatable under the drive of the driving device, and the guide roller 501 plays a role of pushing the metal plate under the upper die 104.
A rack 502 is welded on the side surface of the upper die 104, a driven gear 504 is welded at one end of the material guiding roller 501, the driven gear 504 is meshed with the rack 502 through a transmission gear 503, and the transmission gear 503 is rotationally connected with the side wall of the supporting frame 101;
in this embodiment, when the upper die 104 is lifted, the rack 502 drives the driving gear 503 and the driven gear 504 to rotate, and finally the guiding roller 501 rotates, so that the metal plate can be transported to the lower side of the upper die 104.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a bender is used in sheet metal working, includes support frame (101), goes up mould (104) and lower mould (106), its characterized in that: the inside of lower mould (106) is provided with protection machanism (2), protection machanism (2) include:
two rotating rollers (201); two rotating rollers (201) are rotatably arranged at the top end edge of the lower die (106); and
a protective belt (204) arranged in the middle of the lower die (106); the two ends of the protective belt (204) are fixed on the inner wall of the lower die (106), and the protective belt (204) can be concaved when the upper die (104) is pressed down.
2. The bending machine for sheet metal processing according to claim 1, wherein: the bottom welding of support frame (101) has supporting legs (102), the top welding of last mould (104) has lower briquetting (103), the top welding of lower briquetting (103) has pneumatic cylinder (105), the top welding of pneumatic cylinder (105) and support frame (101).
3. The bending machine for sheet metal processing according to claim 1, wherein: a rotating groove is formed in the side wall of the lower die (106), a winding roller (202) is arranged in the rotating groove, the front end and the rear end of the winding roller (202) are hinged to the inner wall of the rotating groove through torsion springs (203), and the two ends of the protection belt (204) are fixedly connected with the outer wall of the winding roller (202).
4. The bending machine for sheet metal processing according to claim 1, wherein: the below of lower mould (106) is provided with liftout mechanism (3), liftout mechanism (3) include:
a liftout bar (301); the material ejection rod (301) is arranged at the bottom of the inner wall of the lower die (106), a groove matched with the material ejection rod (301) is formed at the bottom of the inner wall of the lower die (106), and the material ejection rod (301) is clamped in the groove;
the material ejection rod (301) can move up and down under the drive of the linear driving device.
5. The bending machine for sheet metal processing of claim 4, wherein: the two ends of the material ejection rod (301) are welded with vertical rods (302), the vertical rods (302) are in sliding connection with the two ends of the lower die (106), first magnets (303) are welded at the top ends of the vertical rods (302), second magnets (304) are welded at the bottom of the upper die (104), and the second magnets (304) are attracted with the first magnets (303).
6. The bending machine for sheet metal processing according to claim 1, wherein: one side of the lower die (106) is also provided with a pushing mechanism (4), and the pushing mechanism (4) comprises:
an arc plate (401); and
the arc-shaped groove (402) is formed in the side wall of the lower die (106), the arc-shaped plate (401) is connected with the arc-shaped groove (402) in a sliding mode, and a spring (403) is welded between the bottom end of the arc-shaped plate (401) and the inner wall of the arc-shaped groove (402); and
the sliding block (404) is welded in the middle of the arc-shaped plate (401), one side of the sliding block (404) is welded with a pull rope (405), and the top end of the pull rope (405) is fixedly connected with the bottom of the protective belt (204);
the pull rope (405) can drive the arc plate (401) to slide upwards, and the top end of the arc plate (401) can push the bent metal plate out of the supporting frame (101).
7. The bending machine for sheet metal processing according to claim 1, wherein: one side of the lower die (106) is provided with a material guiding mechanism (5), and the material guiding mechanism (5) comprises:
a guide roller (501); two ends of the guide roller (501) are rotationally connected with the supporting frame (101) through bearings;
the guide roller (501) is driven by the driving device to rotate, and the guide roller (501) plays a role in pushing the metal plate below the upper die (104).
8. The bending machine for sheet metal processing of claim 7, wherein: the side welding of going up mould (104) has rack (502), the one end welding of guide roll (501) has driven gear (504), mesh through drive gear (503) between driven gear (504) and rack (502), drive gear (503) are connected with the lateral wall rotation of support frame (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211730153.2A CN116020914B (en) | 2022-12-30 | 2022-12-30 | Bending machine for sheet metal machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211730153.2A CN116020914B (en) | 2022-12-30 | 2022-12-30 | Bending machine for sheet metal machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116020914A true CN116020914A (en) | 2023-04-28 |
| CN116020914B CN116020914B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211730153.2A Active CN116020914B (en) | 2022-12-30 | 2022-12-30 | Bending machine for sheet metal machining |
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| CN (1) | CN116020914B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2920625Y (en) * | 2006-03-31 | 2007-07-11 | 高科森美亚洲有限公司 | Ultrasonic spot type welding equipment with protection belt |
| CN105263645A (en) * | 2014-03-31 | 2016-01-20 | 东京精密发条株式会社 | Bending device for metallic plate |
| CN212144206U (en) * | 2020-01-16 | 2020-12-15 | 苏州康富精密机械有限公司 | Novel sheet metal part stamping die |
| KR102192095B1 (en) * | 2020-06-26 | 2020-12-16 | 권기준 | metal plate bending machine |
| CN212857402U (en) * | 2020-07-27 | 2021-04-02 | 天津市杰立信模具科技有限公司 | Circular arc bending die |
| CN213224761U (en) * | 2020-09-23 | 2021-05-18 | 虞城益家卫生用品制造有限公司 | Packing carton marking machine |
-
2022
- 2022-12-30 CN CN202211730153.2A patent/CN116020914B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2920625Y (en) * | 2006-03-31 | 2007-07-11 | 高科森美亚洲有限公司 | Ultrasonic spot type welding equipment with protection belt |
| CN105263645A (en) * | 2014-03-31 | 2016-01-20 | 东京精密发条株式会社 | Bending device for metallic plate |
| CN212144206U (en) * | 2020-01-16 | 2020-12-15 | 苏州康富精密机械有限公司 | Novel sheet metal part stamping die |
| KR102192095B1 (en) * | 2020-06-26 | 2020-12-16 | 권기준 | metal plate bending machine |
| CN212857402U (en) * | 2020-07-27 | 2021-04-02 | 天津市杰立信模具科技有限公司 | Circular arc bending die |
| CN213224761U (en) * | 2020-09-23 | 2021-05-18 | 虞城益家卫生用品制造有限公司 | Packing carton marking machine |
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| Publication number | Publication date |
|---|---|
| CN116020914B (en) | 2024-01-16 |
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