CN111136141B - Automatic bending device of silver bracelet material - Google Patents
Automatic bending device of silver bracelet material Download PDFInfo
- Publication number
- CN111136141B CN111136141B CN201911373799.8A CN201911373799A CN111136141B CN 111136141 B CN111136141 B CN 111136141B CN 201911373799 A CN201911373799 A CN 201911373799A CN 111136141 B CN111136141 B CN 111136141B
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- extrusion
- silver
- rod
- wheel
- gear
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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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
- B21D45/08—Stripping-off devices interrelated with motion of tool
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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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
Abstract
The invention relates to a silver bracelet material bending device, in particular to an automatic silver bracelet material bending device. The invention aims to provide a silver strip capable of being automatically pushed out for bending and an automatic silver bracelet material bending device capable of automatically pushing in the silver strip for bending. An automatic bending device for silver bracelet materials comprises a frame, a motor and the like; the motor is installed on the upper side right part of the frame. According to the silver strip bending device, the silver strips can be automatically bent through the sliding device and can be conveniently and manually taken out of the bending forming silver strips, the silver strips rolled on the extrusion wheel can be stirred through the left-right movement of the guide rod, the silver strips rolled on the extrusion wheel and formed can be taken out without manual operation, the working efficiency of automatically bending the silver strips is improved, the silver strips needing to be bent are sequentially placed in the arrangement disc, the silver strips can be pushed onto the driving wheel to be bent and formed through the sliding of the pushing sliding block, and the silver strips do not need to be manually placed on the driving wheel to be bent and formed.
Description
Technical Field
The invention relates to a silver bracelet material bending device, in particular to an automatic silver bracelet material bending device.
Background
The silver bracelet is literally understood as a silver bracelet, but is endowed with a new meaning in the modern, and the new meaning is the same as that of the silver bracelet body. The characters are characterized by the words with magnificent holes, the use of rare words, the frequent use of periods and the expression of feelings which make people feel shallow and redundant.
The silver strips can be pressed into a round shape through the forming device, the existing forming device usually needs a worker to intermittently manually place a single silver strip into the forming device, the forming device can rotate to press the silver strips into the round shape, the silver strips are pressed into silver bracelets by the forming device, then the worker takes out the formed silver bracelets from the forming device, therefore, the worker manually and intermittently places the silver strips into the forming device with low efficiency, and after the silver strips are pressed into the silver bracelets by the forming device, the worker is required to manually take down the silver bracelets in the forming device, and the time consumption is long.
Therefore, an automatic bending device for silver bracelet materials is needed, which can automatically push out a silver strip formed by bending and can automatically push in the silver strip for bending.
Disclosure of Invention
In order to overcome the defects that the efficiency of manually and intermittently placing the silver strips in the forming device is low, and the time consumption is long as workers are required to manually take down the silver bracelet in the forming device after the silver strips are pressed into the silver bracelet by the forming device, the invention has the technical problems that: the utility model provides a can push out the fashioned silver bar of bending automatically and can push in the silver bar automatically and carry out the automatic bending device of silver bracelet material that bends automatically.
The technical implementation scheme of the invention is as follows: an automatic bending device for silver bracelet materials comprises a rack, wherein a motor for driving is installed on the upper side face of the rack, a sector gear is arranged on an output shaft of the motor, a fixed support for installation is arranged on the rack far away from one side of the motor, a transmission wheel is fixedly installed on the fixed support, a first gear is arranged at the end of the transmission wheel and meshed with the sector gear, a first belt wheel is arranged on the transmission wheel, a transmission shaft is rotatably arranged on the fixed support far away from one side of the transmission wheel, a second belt wheel is arranged on the transmission shaft, a belt is arranged between the second belt wheel and the first belt wheel, a cam and a sliding device are arranged at the end of the transmission shaft and installed on the inner side of the fixed support, and the sliding device is used for assisting bending of silver strips.
More preferably, slider is including guide bar, guide block, pivot, extrusion wheel, second gear and reset spring, the inboard of fixed bolster is equipped with two guide bars at least, the slidingtype is equipped with the guide block between two guide bar inboards, guide block middle part rotary type is equipped with the pivot, the tip of pivot is equipped with the second gear, second gear and first gear engagement, the tip of pivot is equipped with the extrusion wheel, cam and pivot left part contact, be equipped with reset spring between guide block and the fixed bolster.
More preferably, still including fixed stay, rack, reciprocating shaft, drive gear, hollow deflector and guide arm, one side of guide block is connected with fixed stay, fixed stay's end connection has the rack, keeps away from the last rotation type of fixed bolster of extrusion wheel one side is equipped with reciprocating shaft, is close to the epaxial drive gear that is equipped with of reciprocating of fixed stay one side, driving gear and rack toothing, one side of fixed bolster is equipped with hollow deflector, the epaxial slip type of reciprocating is equipped with the guide arm, the guide arm passes hollow deflector.
More preferably, still including conveying support, range dish, slide rail, promotion slider and connecting rod, keep away from be equipped with conveying support in the frame of extrusion wheel one side, one side of conveying support is equipped with the range dish, one side of conveying support is equipped with the slide rail, the slip is equipped with the promotion slider on the slide rail, the rotation type is equipped with the connecting rod on the eccentric position of drive wheel, the tip of connecting rod is connected with the left surface rotary type that promotes the slider.
More preferably, still including extrusion branch, extrusion sliding sleeve, extrusion slide bar, extrusion spring, stripper plate, extrusion gag lever post and commentaries on classics handle, one side of arranging the dish is equipped with extrusion branch, one side of extrusion branch is equipped with the extrusion sliding sleeve, the extrusion slide bar has shuttled back and forth in the extrusion sliding sleeve, the tip of extrusion slide bar is equipped with the stripper plate, be equipped with the extrusion spring between stripper plate and the extrusion sliding sleeve, the extrusion spring is around establishing on the extrusion slide bar, one side slidingtype of extrusion branch is equipped with the extrusion gag lever post, the tip of extrusion gag lever post is equipped with changes the handle, one side and the stripper plate tip contact of extrusion gag lever post.
The invention has the following advantages: the silver strip can be automatically bent through the sliding device and can be conveniently and manually taken out of the silver strip which is bent and formed, the silver strip which is rolled on the extrusion wheel and formed can be stirred through the left and right movement of the guide rod, the silver strip which is rolled on the extrusion wheel and formed can be taken out of the extrusion wheel without manual operation, the working efficiency of automatically bending the silver strip is improved, the silver strip which is required to be bent is sequentially placed in the arrangement disc, the silver strip can be pushed into the transmission wheel to be bent and formed through the sliding of the pushing slide block, the silver strip is not required to be manually placed on the transmission wheel to be bent and formed, the silver strip which is placed in the arrangement disc is tightly pressed through the rotating handle, so that the silver strip is better pushed out of the transmission wheel to be bent through the pushing slide block, the extrusion slide rod is upwards pulled, the rotating handle is rotated again until the extrusion limiting rod is contacted with the bottom of the extrusion plate, and the upward position of the extrusion plate can be fixed, the silver strips are conveniently placed into the arrangement disc by an operator.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention. A
Fig. 2 is a schematic perspective view of the sliding device of the present invention.
Fig. 3 is a schematic perspective view of a second embodiment of the present invention.
Fig. 4 is a schematic view of a first partially enlarged perspective structure of the present invention.
Fig. 5 is a second partially enlarged perspective view of the present invention.
Fig. 6 is a partially enlarged perspective view of the third clock of the present invention.
The parts are labeled as follows: 1. the automatic feeding device comprises a frame, 2. a motor, 3. a sector gear, 4. a fixed support, 401. a transmission wheel, 5. a first gear, 6. a first belt wheel, 7. a transmission shaft, 8. a second belt wheel, 9. a belt, 10. a cam, 11. a sliding device, 111. a guide rod, 112. a guide block, 113. a rotating shaft, 114. an extrusion wheel, 115. a second gear, 116. a return spring, 12. a fixed support rod, 13. a rack, 14. a reciprocating shaft, 15. a transmission gear, 16. a hollow guide plate, 17. a guide rod, 18. a transmission support, 19. an arrangement disc, 20. a sliding rail, 21. a pushing slide block, 22. a connecting rod, 23. an extrusion support rod, 24. an extrusion sliding sleeve, 25. an extrusion slide rod, 26. an extrusion spring, 27. an extrusion plate, 28. an extrusion limit rod and 29. a rotating handle.
Detailed Description
The invention is further illustrated by the following specific examples in which, unless otherwise explicitly stated and limited, terms such as: the arrangement, installation, connection are to be understood broadly, for example, they may be fixed, detachable, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
An automatic bending device for silver bracelet materials is disclosed, as shown in fig. 1-3, and comprises a frame 1, a motor 2, a sector gear 3, a fixed support 4, a transmission wheel 401, a first gear 5, a first belt wheel 6, a transmission shaft 7, a second belt wheel 8, a belt 9, a cam 10 and a sliding device 11, wherein the motor 2 is installed at the right part of the upper side surface of the frame 1, the sector gear 3 is arranged on an output shaft of the motor 2, the fixed support 4 is arranged at the middle part of the front part of the upper side surface of the frame 1, the transmission wheel 401 is rotatably arranged at the lower part of the fixed support 4, the first gear 5 is arranged at the right end of the transmission wheel 401, the first gear 5 is meshed with the sector gear 3, the first rotary belt wheel 6 is arranged at the right part of the transmission wheel 401, the transmission shaft 7 is arranged at the upper part of the fixed support 4, the second belt wheel 8 is arranged at the right part of the transmission shaft, the middle part of the inner side of the fixed bracket 4 is provided with a sliding device 11.
The sliding device 11 comprises a guide rod 111, a guide block 112, a rotating shaft 113, a squeezing wheel 114, a second gear 115 and a return spring 116, the guide rod 111 is arranged at the front part and the rear part of the inner side of the fixed support 4, the guide block 112 is arranged between the inner sides of the guide rod 111 in a sliding mode, the rotating shaft 113 is arranged in the middle of the guide block 112 in a rotating mode, the second gear 115 is arranged at the right end of the rotating shaft 113, the second gear 115 is meshed with the first gear 5, the squeezing wheel 114 is arranged at the left end of the rotating shaft 113, the cam 10 is in contact with the left part of the rotating shaft 113, and the return spring 116 is arranged between the top of the guide block 112 and the fixed support 4.
When the gear-driven transmission device is used, the motor 2 is controlled to rotate clockwise, the motor 2 drives the sector gear 3 to rotate clockwise, the sector gear 3 drives the transmission wheel 401 to rotate anticlockwise through the first gear 5, the rotation of the transmission wheel 401 can drive the transmission shaft 7 to rotate anticlockwise through the first belt wheel 6, the second belt wheel 8 and the belt 9, the transmission shaft 7 drives the cam 10 to rotate clockwise, when the sector gear 3 rotates to leave the mesh with the first gear 5, the first gear 5 stops rotating, the transmission wheel 401 stops rotating, at the moment, the cam 10 rotates to leave the contact with the sliding device 11, the sliding device 11 moves upwards, when the sector gear 3 rotates to have a tooth part meshed with the first gear 5, the sector gear 3 can drive the transmission wheel 401 to rotate anticlockwise through the first gear 5, and simultaneously the first gear 5 drives the transmission shaft 7 to rotate anticlockwise through the first belt wheel 6, the second belt wheel 8 and the belt 9, and then transmission shaft 7 drives cam 10 and rotates clockwise for cam 10 rotates to continue to contact with slider 11, and the protruding department of cam 10 can promote slider 11 downstream, the operator can place the silver strip on drive wheel 401 and bend the shaping this moment, the shaping silver strip of bending can be rolled up on slider 11, when sector gear 3 rotates to leave and mesh with first gear 5, drive wheel 401 can stop rotating, cam 10 can rotate to leave and contact with slider 11 simultaneously, slider 11 can drive the shaping silver strip of bending this moment and move upwards, make things convenient for the operator to take out the shaping silver strip of bending, so repeat, accomplish the back of bending to batch silver strip, close motor 2.
When the first gear 5 rotates, the first gear 5 drives the second gear 115 to rotate through the rotating shaft 113, and then the rotating shaft 113 drives the extrusion wheel 114 to rotate, through the rotation matching with the transmission wheel 401, the silver strip can be bent and formed and wound on the extrusion wheel 114, when the cam 10 rotates clockwise to leave the contact with the rotating shaft 113, under the action of the elastic force of the return spring 116, the guide block 112 can move upwards, and then the guide block 112 drives the rotating shaft 113 to move upwards, so that the rotating shaft 113 drives the extrusion wheel 114 and the second gear 115 to move upwards, at the moment, the second gear 115 leaves the meshing with the first gear 5, the upward movement of the extrusion wheel 114 facilitates an operator to take out the silver strip wound on the extrusion wheel 114, when the cam 10 rotates to contact with the rotating shaft 113, the cam 10 can push the rotating shaft 113 to slide downwards through the guide block 112, the return spring 116 is stretched, and then the rotating shaft 113 drives the extrusion wheel 114 and the second gear 115 to move downwards, the silver strip of next slice is conveniently bent and formed.
Example 2
On the basis of the embodiment 1, as shown in fig. 4 to 5, the device further includes a fixed support rod 12, a rack 13, a reciprocating shaft 14, a transmission gear 15, a hollow guide plate 16 and a guide rod 17, the fixed support rod 12 is connected to the front side of the right portion of the guide block 112, the rack 13 is connected to the fixed support rod 12, the reciprocating shaft 14 is rotatably arranged on the front portion of the right side surface of the fixed support 4, the transmission gear 15 is arranged on the right portion of the reciprocating shaft 14, the transmission gear 15 is meshed with the rack 13, the hollow guide plate 16 is arranged on the front portion of the left side surface of the fixed support 4, the guide rod 17 is slidably arranged between the hollow guide plate 16 and the reciprocating shaft 14, and the rear portion of the guide rod 17 is in contact with the extrusion wheel 114.
The automatic feeding device is characterized by further comprising a conveying support 18, an arrangement disc 19, a sliding rail 20, a pushing sliding block 21 and a connecting rod 22, wherein the conveying support 18 is arranged on the rear side of the left portion of the upper side face of the rack 1, the arrangement disc 19 is arranged on the upper portion of the left side face of the conveying support 18, the sliding rail 20 is arranged on the lower portion of the left side face of the conveying support 18, the pushing sliding block 21 is arranged on the sliding rail 20 in a sliding mode, the arrangement disc 19 is located right above the sliding rail 20, the connecting rod 22 is arranged on the eccentric position of the left side face of the driving wheel 401 in a rotating mode, and the end portion of the connecting rod 22 is connected with the left side face of the pushing sliding block 21 in a rotating mode.
When the guide block 112 moves upward, the guide block 112 is moved upward by the fixing rod 12, and then the fixed support rod 12 drives the rack 13 to move upwards, so that the rack 13 drives the transmission gear 15 to rotate anticlockwise, the transmission gear 15 drives the reciprocating shaft 14 to rotate anticlockwise, the reciprocating shaft 14 drives the guide rod 17 to move leftwards to push out the silver strips formed by rolling on the extrusion wheel 114, and thus, the silver strip rolled on the extrusion wheel 114 can be stirred through the guide rod 17, the silver strip rolled on the extrusion wheel 114 can be taken out without manual operation, when the guide block 112 moves downward, the guide block 112 is moved downward by the fixing rod 12, and the fixed support rod 12 drives the rack 13 to move downwards, so that the rack 13 drives the transmission gear 15 to rotate clockwise, the transmission gear 15 drives the reciprocating shaft 14 to rotate clockwise, and the reciprocating shaft 14 drives the guide rod 17 to move towards the right side for resetting.
An operator can place the silver strips that need to be bent in arranging the dish 19 in proper order, arrange the silver strips in the dish 19 and can fall into slide rail 20, when drive wheel 401 rotates, drive wheel 401 can promote slider 21 to the side motion forward through the pulling of connecting rod 22, and then promote slider 21 and can promote a slice silver strip roll-off slide rail 20 that falls into slide rail 20 and bend on the drive wheel 401, can promote slider 21 to the side motion backward through connecting rod 22 along with drive wheel 401 rotates, and then promote slider 21 to the side motion backward to get back to the normal position, after promoting slider 21 to the side motion backward to get back to the normal position, arrange next slice silver strip in the dish 19 and can continue to fall into slide rail 20, so, can need not artifical manual bending type with placing the silver strip on drive wheel 401.
Example 3
On the basis of embodiment 2, as shown in fig. 6, the device further includes an extrusion support rod 23, an extrusion sliding sleeve 24, an extrusion sliding rod 25, an extrusion spring 26, an extrusion plate 27, an extrusion limit rod 28 and a rotating handle 29, the rear side surface of the arrangement disk 19 is provided with the extrusion support rod 23, the front end surface of the extrusion support rod 23 is provided with the extrusion sliding sleeve 24, the extrusion sliding sleeve 24 is internally provided with the extrusion sliding rod 25 in a sliding manner, the bottom end of the extrusion sliding rod 25 is provided with the extrusion plate 27, the extrusion plate 27 is positioned right above the arrangement disk 19, the extrusion spring 26 is arranged between the top of the extrusion plate 27 and the extrusion sliding sleeve 24, the extrusion spring 26 is wound on the extrusion sliding rod 25, the lower portion of the rear wall of the extrusion support rod 23 is provided with the extrusion limit rod 28 in a sliding manner, the rear end of the extrusion limit rod 28 is provided with the rotating handle 29, and the front upper side of the extrusion limit rod 28 is in contact with the rear side of the bottom of the extrusion plate 27.
The operator is through rotating and turning handle 29, can rotate extrusion gag lever post 28 to leaving and extrude the board 27 contact, at this moment, stripper plate 27 can be downstream under the effect of extrusion spring 26 elasticity, compress tightly the silver bar of placing in arranging dish 19, make pushing away that slider 21 is better release the silver bar and bend on the drive wheel 401, when needing to add the silver bar in arranging dish 19, through upwards pulling extrusion slide bar 25, extrusion slide bar 25 drives stripper plate 27 and upwards moves, and then extrusion spring 26 is compressed, turn handle 29 to extrusion gag lever post 28 and stripper plate 27 bottom contact through rotating, can fix the ascending position of stripper plate 27, make things convenient for the operator to place into the silver bar in arranging dish 19.
While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.
Claims (2)
1. An automatic bending device of silver bracelet material, characterized by including:
the motor (2) with a driving function is mounted on the upper side surface of the rack (1), a sector gear (3) is arranged on an output shaft of the motor (2), and a fixing support (4) with a mounting function is arranged on the rack (1) on one side far away from the motor (2);
the transmission wheel (401) is fixedly mounted on the fixed support (4), a first gear (5) is arranged at the end part of the transmission wheel (401), the first gear (5) is meshed with the sector gear (3), a first belt wheel (6) is arranged on the transmission wheel (401), a transmission shaft (7) is rotatably arranged on the fixed support (4) on one side far away from the transmission wheel (401), a second belt wheel (8) is arranged on the transmission shaft (7), a belt (9) is arranged between the second belt wheel (8) and the first belt wheel (6), and a cam (10) is arranged at the end part of the transmission shaft (7);
the sliding device (11) is arranged on the inner side of the fixed support (4), and the sliding device (11) is used for assisting bending of the silver strips;
the sliding device (11) comprises guide rods (111), guide blocks (112), a rotating shaft (113), an extrusion wheel (114), a second gear (115) and a return spring (116), at least two guide rods (111) are arranged on the inner side of the fixed support (4), the guide blocks (112) are arranged between the inner sides of the two guide rods (111) in a sliding mode, the rotating shaft (113) is rotatably arranged in the middle of each guide block (112), the second gear (115) is arranged at the end of each rotating shaft (113), the second gear (115) is meshed with the first gear (5), the extrusion wheel (114) is arranged at the end of each rotating shaft (113), the cam (10) is in contact with the left part of each rotating shaft (113), and the return spring (116) is arranged between each guide block (112) and the fixed support (4);
the extrusion device is characterized by further comprising a fixed support rod (12), a rack (13), a reciprocating shaft (14), a transmission gear (15), a hollow guide plate (16) and a guide rod (17), wherein the fixed support rod (12) is connected to one side of the guide block (112), the rack (13) is connected to the end portion of the fixed support rod (12), the reciprocating shaft (14) is rotatably arranged on the fixed support (4) far away from one side of the extrusion wheel (114), the transmission gear (15) is arranged on the reciprocating shaft (14) close to one side of the fixed support rod (12), the transmission gear (15) is meshed with the rack (13), the hollow guide plate (16) is arranged on one side of the fixed support (4), the guide rod (17) is slidably arranged on the reciprocating shaft (14), and the guide rod (17) penetrates through the hollow guide plate (16);
still including conveying support (18), range dish (19), slide rail (20), promotion slider (21) and connecting rod (22), keep away from be equipped with conveying support (18) on frame (1) of extrusion wheel (114) one side, one side of conveying support (18) is equipped with range dish (19), one side of conveying support (18) is equipped with slide rail (20), the slip is equipped with on slide rail (20) and promotes slider (21), the rotation type is equipped with connecting rod (22) on the eccentric position of drive wheel (401), the tip of connecting rod (22) is connected with the left surface rotary type that promotes slider (21).
2. An automatic bending device for a silver bracelet material as claimed in claim 1, wherein: also comprises an extrusion support rod (23), an extrusion sliding sleeve (24), an extrusion sliding rod (25), an extrusion spring (26), an extrusion plate (27), an extrusion limiting rod (28) and a rotating handle (29), one side of the arrangement disc (19) is provided with an extrusion support rod (23), one side of the extrusion support rod (23) is provided with an extrusion sliding sleeve (24), an extrusion sliding rod (25) is shuttled in the extrusion sliding sleeve (24), an extrusion plate (27) is arranged at the end part of the extrusion sliding rod (25), an extrusion spring (26) is arranged between the extrusion plate (27) and the extrusion sliding sleeve (24), the extrusion spring (26) is wound on the extrusion sliding rod (25), one side of the extrusion support rod (23) is provided with an extrusion limit rod (28) in a sliding way, the end part of the extrusion limiting rod (28) is provided with a rotating handle (29), and one side of the extrusion limiting rod (28) is in contact with the end part of the extrusion plate (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373799.8A CN111136141B (en) | 2019-12-27 | 2019-12-27 | Automatic bending device of silver bracelet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373799.8A CN111136141B (en) | 2019-12-27 | 2019-12-27 | Automatic bending device of silver bracelet material |
Publications (2)
| Publication Number | Publication Date |
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| CN111136141A CN111136141A (en) | 2020-05-12 |
| CN111136141B true CN111136141B (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911373799.8A Active CN111136141B (en) | 2019-12-27 | 2019-12-27 | Automatic bending device of silver bracelet material |
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| CN (1) | CN111136141B (en) |
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| JPS61140325A (en) * | 1984-12-13 | 1986-06-27 | Inoue Sangyo Kk | Formation of workpiece by roll bender and its device |
| JPS63157723A (en) * | 1986-12-22 | 1988-06-30 | Inoue Sangyo Kk | Roll bending device |
| EP0672476A1 (en) * | 1994-02-21 | 1995-09-20 | Calsonic Corporation | Device for producing metal rings |
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| CN111136141A (en) | 2020-05-12 |
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