CN115430761A - Bimetallic strip stamping device for protector - Google Patents
Bimetallic strip stamping device for protector Download PDFInfo
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- CN115430761A CN115430761A CN202211401034.2A CN202211401034A CN115430761A CN 115430761 A CN115430761 A CN 115430761A CN 202211401034 A CN202211401034 A CN 202211401034A CN 115430761 A CN115430761 A CN 115430761A
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- module
- punching
- stamping
- roller
- protector
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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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
- B21D19/005—Edge deburring or smoothing
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/20—Applications of drives for reducing noise or wear
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention belongs to the technical field of metal processing, and provides a bimetallic strip stamping device for a protector, which comprises a base, wherein a stamping driving mechanism is fixedly arranged at the upper end of the base, an upper die frame and a lower die frame which are connected in a meshed mode are erected inside the lower portion of the stamping driving mechanism, an upper module is sleeved inside the upper die frame, and a lower module is sleeved inside the lower die frame. Through installing last module and lower module in the inside of last die carrier and lower die carrier, and rotate along with the meshing of last die carrier and lower die carrier, module and lower module roll transposition in the drive, the position of replacement punching press processing, it is long when the cooling of last module and lower module after the increase processing of being convenient for, make last module and lower module fully carry out abundant cooling in the punching press working process of high frequency, avoid going up the module and leading to bimetal bending deformation to appear with lower module upper and lower mould temperature difference in carrying out the course of working.
Description
Technical Field
The invention relates to a stamping device for a bimetallic strip of a protector, and belongs to the technical field of metal processing.
Background
The bimetallic strip is widely used on relays, switches, controllers and the like, the operating principle of thermal overload protection of the circuit breaker is to utilize the thermal bending characteristic of the bimetallic strip, the bimetallic strip is a composite material consisting of two or more metals or other materials with proper performances, the bimetallic strip is also called as a thermal bimetallic strip, and due to different thermal expansion coefficients of all component layers, when the temperature changes, the deformation of an active layer is larger than that of a passive layer, so that the whole bimetallic strip can bend to one side of the passive layer, and the curvature of the composite material changes to generate deformation.
Therefore, the stamping die needs to be cooled sufficiently in time in the stamping process of the bimetallic strip, and the stamping die is rapidly processed at high frequency, the heat dissipation effect of the die is not ideal, the temperature difference of the upper die and the lower die is large, the deformation or separation of the strip of the bimetallic strip in the processing process is easily caused, so that the precision of the bimetallic strip in the subsequent use process is influenced, the clamping device cannot sufficiently clamp the metal in the process of processing the metal plate by the stamping head in the use process of the metal stamping device in the market, and the metal is easy to swing in the stamping process, so that the metal processing precision is not high.
We have therefore developed this and have now proposed a protector bi-metal strip stamping arrangement.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the heat dissipation effect of the die is not ideal, the temperature difference of the upper die and the lower die is large, the deformation or separation of the bimetallic strip in the machining process is easy to occur, the clamping device cannot sufficiently clamp the metal, and the metal is easy to swing in the stamping process, so that the metal machining precision is not high.
(II) technical scheme
In order to achieve the purpose, the invention provides a bimetallic strip stamping device for a protector, which comprises a base, wherein a stamping driving mechanism is fixedly arranged at the upper end of the base, an upper die frame and a lower die frame which are connected in a meshing manner are erected inside the lower part of the stamping driving mechanism, the upper die frame comprises a first roller, two ends of the first roller are connected with first clamping rings at the same side, one sides of the two first clamping rings are connected with a first gear, the middle part of the first gear is provided with a sliding groove, the inside of the sliding groove is connected with a telescopic rod, the telescopic rod is connected with an upper die block, the first roller is a regular hexagonal prism, the middle parts of six side surfaces of the first roller are provided with mounting grooves, the lower die frame comprises a second roller, two ends of the second roller are connected with second clamping rings at the same side, and the outer sides of the two second clamping rings are connected with a second gear, the second roller is a regular hexagon prism consistent with the first roller, a rubber pad is sleeved on the outer side of the second roller, a binding rope is connected to the outer side surface of the rubber pad, a servo motor is connected to one end of the outer side of the lower die frame, an upper module is sleeved inside the upper die frame and comprises three first stamping blocks and three second stamping blocks which are consistent in size and shape, two ends of the three first stamping blocks and two ends of the three second stamping blocks are connected with pressing rods, connecting rods are connected to the insides of the three first stamping blocks and the three second stamping blocks, a lower module is sleeved inside the lower die frame and is installed right above the lower module, the lower module comprises a punching plate, a punching groove is formed in the middle of the punching plate in a penetrating mode, and a sand plate is arranged on the inner wall of the punching groove, the pressing action of the punching driving mechanism drives the upper module and the lower module to complete punching, and popping up and blanking the bimetallic strip punched and formed at the bottom of the lower module in the stamping process of the upper module, and polishing the edge of the bimetallic strip in the blanking process of the lower module.
The stamping driving mechanism comprises a support frame, the inside fixedly connected with connecting column of the support frame, the bottom fixedly connected with fixing frame of the connecting column, a pressing plate is sleeved outside the middle of the connecting column, a hydraulic push rod is fixedly connected between the two sides of the top of the pressing plate and the support frame, and a gas blowing cylinder is fixedly connected between the pressing plate and the middle of the fixing frame.
The tail ends of the first punching block and the second punching block are connected to form a funnel shape with a narrow middle part and thick two ends.
The bottom of the air blowing cylinder is provided with a duckbill air blowing nozzle, the number of the air blowing cylinders is five, and the air blowing cylinders are installed side by side along the fixing frame.
The rope binding device comprises a rubber pad, a rope binding rope and a rubber ring, wherein the rope binding rope is formed by connecting a rubber ring on the surface of the rubber pad in a surrounding mode, and the surfaces of the rubber pad and the rope binding rope have elasticity.
The outer sides of the two long edges of the mounting groove are fixedly connected with hairbrushes, and the length value of each hairbrush is larger than the minimum extending length of the upper module.
(III) advantageous effects
The invention provides a bimetallic strip stamping device for a protector, which has the beneficial effects that:
1. through installing module and lower module in the inside of last die carrier and die carrier down, and go up the module and include fixed connection's first punching press piece and second punching press piece, and first punching press piece, the both ends of second punching press piece all are connected with the depression bar, and reciprocate the drive with the top clamp plate through the depression bar, the punching press is accomplished to first punching press piece and second punching press piece, and rotate along with the meshing of last die carrier and lower die carrier, module and lower module roll transposition in the drive, the position of replacement punching press processing, it is long to be convenient for increase the cooling of last module after the processing and lower module, it fully cools off to make last module and lower module fully carry out in the punching press working process of high frequency, avoid last module and lower module to lead to bimetal to appear bending deformation in the last lower mould temperature difference of carrying out the course of working.
2. Arc die-cutting board through six spiral angles for sixty degrees to set up the sand board at the die-cut inslot wall at the middle part of die-cutting board, pop out the bimetallic strip that the unloading in-process was polished to the bimetallic strip edge after die-cut through the sand board to the die-cut take shape in bottom of the lower module in stamping process, get rid of the burr that the bimetallic strip produced at die-cut in-process edge, avoid the bimetallic strip to appear cutting the hand phenomenon in transportation or use.
3. The lower module is sleeved on the outer side of the second roller, the rubber pad is arranged in an interlayer of the lower module and the lower die frame, the outer surface of the rubber pad is connected with a binding rope, the inside of an opening of the lower module is filled with the binding rope and the rubber pad, the lower module is convenient to support a workpiece in the punching process through the rubber pad and the binding rope, the workpiece is convenient to form inside a slotted hole of the lower module, the formed bimetallic strip is embedded inside the slotted hole of the lower module, the lower die frame rotates, the rubber pad and the binding rope deform at different positions when the upper module performs punching extrusion on other slotted holes in the lower module, the rubber pad and the binding rope pop out the bimetallic strip formed inside the last slotted hole, the blanking of the device is convenient, manual cleaning is not needed, and the working efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a stamping device for a bimetallic strip of a protector provided by the present application;
fig. 2 is a schematic view of a stamping driving mechanism of a bimetallic strip stamping device for a protector provided by the present application;
fig. 3 is an installation schematic diagram of an upper die frame and a lower die frame of a bimetallic strip stamping device of the protector provided by the present application;
fig. 4 is a schematic view of an upper die frame of a bimetal stamping device of the protector provided by the present application;
fig. 5 is a schematic view of a lower die frame of a stamping device for bimetallic strips of a protector provided by the present application;
fig. 6 is a schematic view of an upper module of a stamping device for a bimetal of a protector provided by the present application;
fig. 7 is a schematic view of a first punch block of a bimetal punching device of the protector provided by the application.
In the figure: 1. a base; 2. a stamping drive mechanism; 21. a support frame; 22. pressing a plate; 23. a hydraulic push rod; 24. a fixed mount; 25. an air blower; 26. connecting columns; 3. feeding a mold frame; 31. a first drum; 32. a first clamp ring; 33. a first gear; 34. a chute; 35. a telescopic rod; 36. mounting grooves; 37. a brush; 4. a lower die frame; 41. a second drum; 42. a second clamping ring; 43. a second gear; 44. a rubber pad; 45. tying a rope; 5. an upper module; 51. a first punch block; 52. a second punch block; 53. a connecting rod; 54. a pressure lever; 6. a lower module; 61. punching and cutting a plate; 62. punching a groove; 63. a sand plate; 7. a servo motor.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1-7, the present embodiment provides a stamping device for bimetallic strips of a protector, including a base 1, a stamping driving mechanism 2 is fixedly installed at an upper end of the base 1, an upper die frame 3 and a lower die frame 4 which are connected in a meshing manner are installed inside the lower portion of the stamping driving mechanism 2, one end of the outer side of the lower die frame 4 is connected with a servo motor 7, in order to change a stamping position, after one-time stamping is completed, when a pressing plate 22 of the stamping driving mechanism 2 moves upward, the lower die frame 4 needs to be driven to rotate by a certain angle, the lower die frame 4 drives the upper die frame 3 to rotate by a certain angle through a gear, so as to change the stamping position, an upper die block 5 is sleeved inside the upper die frame 3, a lower die block 6 is sleeved inside the lower die frame 4, the upper die block 5 is installed right above the lower die block 6, two ends of the upper die block 5 are connected with the stamping driving mechanism 2, a pushing action of the stamping driving mechanism 2 drives the upper die block 5 and the lower die block 6 to complete the stamping, the upper die block 5 performs the stamping process of ejecting bimetallic strips in the stamping process.
The punching driving mechanism 2 comprises a supporting frame 21, a fixing frame 24 is fixedly connected to the inside of the supporting frame 21, a pressing plate 22 is sleeved at the middle of the fixing frame 24, hydraulic push rods 23 are fixedly connected between two sides of the upper portion of the pressing plate 22 and the supporting frame 21, a blowing cylinder 25 is fixedly connected to the middle of the pressing plate 22 and the fixing frame 24, the fixing frame 24 keeps a fixed distance from the supporting frame 21 through a connecting column 26, the pressing plate 22 is sleeved on the outer side of the connecting column 26, the pressing plate 22 is driven by the hydraulic push rods 23 to slide up and down along the connecting column 26, a certain distance is reserved between two ends of the fixing frame 24 and the pressing plate 22, the pressing plate 22 is driven by the hydraulic push rods 23 to swing up and down above the fixing frame 24 in the up-and down swinging process, relative motion exists between the pressing plate 22 and the fixing frame 24, the pressing plate 22 is driven to press the upper module 5, the upper module 5 is subjected to punching operation, the blowing cylinder 25 is driven to inflate and deflate, air cooling and dust removing are carried out on the surface of the upper module 5 through the blowing cylinder 25, and use of the upper module 5 is facilitated.
Go up die carrier 3 and include first cylinder 31, the both ends of first cylinder 31 are connected with the first clamp ring 32 of homonymy, and one side of two first clamp rings 32 is connected with first gear 33, spout 34 has been seted up at the middle part of first gear 33, and the internal connection of spout 34 has telescopic link 35, telescopic link 35 is connected with last module 5, telescopic link 35 connects depression bar 54 in the inside of spout 34, after clamp plate 22 carries out the punching press to last module 5, telescopic link 54 promotes depression bar 54 and upwards plays, will go up module 5 and wholly reset, make the repeated processing of last module 5, first cylinder 31 is the regular hexagon prism, and mounting groove 36 has all been seted up at six side middle parts of first cylinder 31, first cylinder 31 installs last module 5 through seting up of six mounting grooves 36, and guarantee to go up the stability of module 5 in the use, avoid last module 5 to appear rocking.
The lower die carrier 4 comprises a second roller 41, two ends of the second roller 41 are connected with second clamping rings 42 on the same side, the outer sides of the two second clamping rings 42 are connected with second gears 43, the second roller 41 is a regular hexagonal prism consistent with the first roller 31, a rubber pad 44 is sleeved on the outer side of the second roller 41, the outer side faces of the rubber pads 44 are connected with binding ropes 45, two ends of the second roller 41 are meshed with the first clamping ring 32 and the first gear 33 through the second clamping rings 42 and the second gear 43, and the second clamping rings 42 and the first clamping ring 32 clamp and fix the edges of a metal strip, so that the metal strip is driven to be conveyed at a speed consistent with the punching speed of the upper die block 5, the punching stability of the metal strip is improved, and the meshing between the second gear 43 and the first gear 33 ensures that the upper die block 5 and the lower die block 6 which are installed inside the upper die carrier 3 and the lower die carrier 4 are stably and accurately machined, and the device is prevented from shaking and sliding.
The upper module 5 comprises three first stamping blocks 51 and three second stamping blocks 52 which are identical in size and shape, two ends of each of the three first stamping blocks 51 and the three second stamping blocks 52 are connected with a pressing rod 54, connecting rods 53 are connected inside each of the three first stamping blocks 51 and the three second stamping blocks 52, the lower module 6 comprises a stamping plate 61, a stamping groove 62 is formed in the middle of the stamping plate 61 in a penetrating mode, a sand plate 63 is arranged on the inner wall of the stamping groove 62, the first stamping blocks 51 and the second stamping blocks 52 are arranged in a matched mode, constant-speed meshing rotation is guaranteed in the meshing rotation process between the upper module 5 and the lower module 6, replacement of a stamping die in the stamping process of the device is facilitated, cooling time after stamping of the stamping die is prolonged, influence on quality of a bimetallic strip due to high-frequency stamping friction is avoided, high-efficiency high-quality processing of the bimetallic strip is facilitated, edges of the stamped bimetallic strip after stamping are polished by the sand plate 63 arranged on the inner wall of the stamping groove 62, burrs generated in the stamping process are removed, and the phenomenon that the bimetallic strip is generated in the transportation or the use process of the stamping die is avoided.
The bottom of the air blowing cylinder 25 is provided with duckbill air blowing nozzles, the number of the air blowing cylinders 25 is five, the five air blowing cylinders 25 are installed side by side along the fixing frame 24, the arrangement of the air blowing cylinders 25 is convenient for driving the pressing plate 22 to move up and down alternately through the hydraulic push rod 23 to drive the air blowing cylinders 25 to inflate and deflate continuously, the upper surface of the upper module 5 is subjected to air blowing cooling, the upper module 5 is convenient to cool and remove dust continuously, and attachment of dust is avoided.
Equal fixedly connected with brush 37 in the two long limit outsides of mounting groove 36, the length value of brush 37 is greater than the minimum extension length of last module 5, and the installation of brush 37 is convenient for clear up the both sides of last module 5 when last module 5 state of contracting, avoids the dust to adhere to the surface at last module 5, guarantees that the surface of going up module 5 is clean, avoids impurity dust and metal fragment's the attached machining precision who influences the device.
Specifically, this protector bimetallic strip stamping device is when using: the automatic punching and cutting device is characterized in that an upper module 5 is installed inside an upper die frame 3, a lower module 6 is sleeved outside a lower die frame 4 installed below the upper die frame 3 in a meshed mode, the upper module 5 and the lower module 6 rotate along with the meshing of the upper die frame 3 and the lower die frame 4 respectively, a pressing plate 22 is driven to pop out downwards through a hydraulic push rod 23, the upper module 5 is punched, punching and cutting are carried out in a circumferential alternation mode, a rubber pad 44 and a binding rope 45 inside the lower die frame 4 are extruded and deformed in the punching process, the bottoms of the rubber pad 44 and the binding rope 45 are tensioned, a workpiece inside an opening below the lower module 6 is popped out, automatic blanking of the workpiece is facilitated, in the blanking process, the edge of a punched bimetallic strip is polished through a sand plate 63 arranged on the inner wall of a punching groove 62, burrs generated on the edge of the bimetallic strip in the punching process are removed, the phenomenon that the bimetallic strip is cut hands in the transportation or use process is avoided, in the process, the process that the bimetallic strip pushes an air blowing barrel 22 and a fixing frame 24 installed in the middle of the blowing barrel 25, air is blown, dust on the upper surface of the upper die 5 and the upper die and the dust and the upper die 5 are removed continuously through the dust on the upper die nozzle 5 of the upper die set under the blowing barrel 5 in the lower die set by the lower die set under the stamping process of the pneumatic push rod 23.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (6)
1. The utility model provides a protector bimetallic strip stamping device, includes base (1), its characterized in that: the upper end of the base (1) is fixedly provided with a stamping driving mechanism (2), an upper die frame (3) and a lower die frame (4) which are connected in a meshing manner are erected inside the lower portion of the stamping driving mechanism (2), the upper die frame (3) comprises a first roller (31), two ends of the first roller (31) are connected with first clamping rings (32) on the same side, one sides of the two first clamping rings (32) are connected with first gears (33), the middle of each first gear (33) is provided with a sliding groove (34), the inside of each sliding groove (34) is connected with a telescopic rod (35), each telescopic rod (35) is connected with an upper die block (5), the first roller (31) is a regular hexagonal prism, mounting grooves (36) are formed in the middles of six side surfaces of the first roller (31), the lower die frame (4) comprises a second roller (41), two ends of the second roller (41) are connected with second clamping rings (42) on the same side, the outer sides of the two second rollers (42) are connected with second gears (43), the outer sides of the two second rollers (41) are connected with second gear rings (43), the clamping rings (41) are in a sleeving manner, the outer side surfaces of the second roller (31) are in a manner, the same as the outer side surface of the second roller (44), a servo rope (44), one end of the servo roller (7) is connected with a servo rope (7), and a servo rope (7) of the servo roller (7) is connected with a servo rubber pad (44), and a servo rubber pad (7), an upper module (5) is sleeved in the upper die frame (3), the upper module (5) comprises three first punching blocks (51) and three second punching blocks (52) which are consistent in size and shape, two ends of the three first punching blocks (51) and two ends of the three second punching blocks (52) are connected with pressing rods (54), the three first punching blocks (51) and the three second punching blocks (52) are connected with connecting rods (53) inside, a lower module (6) is sleeved in the lower die carrier (4), the lower module (6) comprises a punching plate (61), a punching groove (62) is formed in the middle of the punching plate (61) in a penetrating mode, the inner wall of the punching groove (62) is provided with a sand plate (63), the upper module (5) is arranged right above the lower module (6), the stamping driving mechanism (2) presses a pressure lever (54) of an upper module (5) connected to a first stamping block (51) or a second stamping block (52) through a pressure plate (22), the pressing-down action of the punching driving mechanism (2) drives the upper module (5) and the lower module (6) to complete punching, the upper module (5) ejects and discharges the bimetallic strip punched and formed at the bottom of the lower module (6) in the punching process, and the edges of the bimetallic strips are polished in the blanking process of the lower module (6).
2. A protector bi-metal strip stamping apparatus as claimed in claim 1, wherein: punching press actuating mechanism (2) are including support frame (21), inside fixedly connected with spliced pole (26) of support frame (21), bottom fixedly connected with mount (24) of spliced pole (26), clamp plate (22) have been cup jointed in the middle part outside of spliced pole (26), just fixedly connected with hydraulic push rod (23) between last both sides of clamp plate (22) and support frame (21), the middle part fixedly connected with of clamp plate (22) and mount (24) blows inflator (25).
3. A protector bi-metal strip stamping apparatus as claimed in claim 1, wherein: the first punching block (51) is connected with the tail end of the second punching block (52) to form a funnel shape with a narrow middle part and thick two ends.
4. A protector bi-metal strip stamping apparatus as claimed in claim 2, wherein: the bottom of gas blowing cylinder (25) is equipped with duckbilled gas blowing nozzle, just the quantity of gas blowing cylinder (25) is five gas blowing cylinder (25) is installed side by side along mount (24).
5. A protector bi-metal strip stamping apparatus as claimed in claim 1, wherein: the binding rope (45) is a rubber circular ring which is connected to the surface of the rubber pad (44) in a surrounding mode, and the surfaces of the rubber pad (44) and the binding rope (45) have elasticity.
6. A protector bi-metal strip stamping apparatus as claimed in claim 1, wherein: the outer sides of two long edges of the mounting groove (36) are fixedly connected with brushes (37), and the length value of each brush (37) is greater than the minimum extending length of the upper module (5).
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CN202211401034.2A CN115430761B (en) | 2022-11-09 | 2022-11-09 | Bimetallic strip stamping device for protector |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116422754A (en) * | 2023-06-14 | 2023-07-14 | 常州瑞德丰精密技术有限公司 | New energy battery aluminum cover plate shaping and stamping device |
CN117840294A (en) * | 2024-03-08 | 2024-04-09 | 江天精密制造科技(苏州)有限公司 | Automatic stamping equipment and stamping method for sheet metal parts |
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