Resistance strip milling and correcting integrated device

Abstract

The invention provides a resistance strip milling and correcting integrated device, which is used for processing a groove on an alloy strip, and comprises a traction turntable, and a cutting table and a shaping assembly which are sequentially arranged along the feeding direction of the alloy strip. A milling cutter is arranged on the cutting table and is used for cutting the alloy strip to form a groove; the shaping assembly comprises a motor, a shaping seat, a polishing wheel and two follower wheels, a rail is arranged on the shaping seat, the two follower wheels are located on the two sides of the rail, a shaping area is arranged between the two follower wheels, an output shaft on the motor is connected with the polishing wheel, the polishing wheel is located on the shaping area, and a blade part is arranged on the outer wall of the polishing wheel and extends into the groove; wherein a coupler is arranged between the polishing wheel and the output shaft. According to the milling and correcting integrated device for the resistance strip, the alloy strip can be slotted and shaped, the machining efficiency is improved, meanwhile, a motor is protected when the material blocking phenomenon occurs, the equipment maintenance cost is reduced, and the service life of the motor is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of resistance strip processing, in particular to a resistance strip milling and correcting integrated device. BACKGROUND

[0002] Before the preparation of alloy resistance, the alloy strip needs to be pretreated. When processing the groove between the two electrodes of the alloy resistance, if the slotting station is arranged after the alloy strip is cut into particles, slotting work needs to be performed on each resistance particle, and each resistance particle needs to be clamped and positioned, which reduces the processing efficiency of the alloy resistance. Therefore, in the existing alloy resistance production process, the slotting station is arranged in the pretreatment work of the alloy strip.

[0003] The slotting on the alloy strip is performed by arranging a winding structure to wind the alloy strip and arranging a milling cutter on the alloy strip conveying path to perform slotting operation on the alloy strip during its advancement. In the above processing method, the alloy strip is thin and soft, and the milling cutter milling is easy to cause deformation of the alloy strip. Therefore, after cutting, the alloy strip needs to be rolled to reshape. When reshaping, the outer surface of the alloy strip and the groove need to be extruded. The burrs generated by the milling cutter milling are easy to be stuck in the roller shaft. Moreover, the alloy strip is pulled forward by the winding structure. When the material is stuck, the torsion force is generated and acts on the output shaft of the motor, which is easy to damage the motor connected with the roller shaft, that is, the motor is easy to be damaged when a fault occurs, and the maintenance cost is high. SUMMARY

[0004] The purpose of the present application is to overcome the shortcomings of the prior art and provide a resistance strip milling and correcting integrated device to avoid the instantaneous torsion force generated when the material is stuck from damaging the motor and its peripheral accessories, thereby reducing the maintenance cost of the equipment.

[0005] The purpose of the present application is achieved by the following technical solutions: A resistance strip milling and correcting integrated device for processing a groove on an alloy strip, comprising: a traction turntable and a cutting table, a reshaping assembly arranged in sequence along the feeding direction of the alloy strip; A milling cutter is arranged on the cutting table, and the milling cutter is used to cut a groove on the alloy strip; The reshaping assembly comprises a motor, a reshaping seat, a grinding wheel and two follow-up wheels. The reshaping seat is provided with a track, and the two follow-up wheels are located on both sides of the track. A reshaping area is arranged between the two follow-up wheels. The output shaft of the motor is connected with the grinding wheel. The grinding wheel is located on the reshaping area. The outer wall of the grinding wheel is provided with a blade portion, and the blade portion extends into the groove. A shaft coupling is arranged between the grinding wheel and the output shaft.

[0006] In one of the embodiments, the coupling comprises a connecting disc, a limiting ring and a plurality of resistance rollers, the connecting disc is arranged at the end of the output shaft, the grinding wheel is rotatably arranged on the connecting disc, a polygonal boss is arranged on the connecting disc at the position inside the grinding wheel, and a gap is arranged between the polygonal boss and the inner cavity of the grinding wheel; the limiting ring is rotatably arranged in the gap between the polygonal boss and the grinding wheel, a plurality of through slots are arranged on the limiting ring, the resistance rollers are arranged in the through slots, and the outer wall of the resistance rollers is tangent to one side of the polygonal boss; the polygonal boss is pressed against the resistance rollers when rotating, so that the resistance rollers are abutted against the inner cavity of the grinding wheel.

[0007] In one of the embodiments, the hardness of the resistance rollers is less than that of the grinding wheel and the polygonal boss.

[0008] In one of the embodiments, the cross section of the polygonal boss is hexagonal, and the number of the resistance rollers is consistent with the number of the sides of the polygonal boss.

[0009] In one of the embodiments, the slot width of the through slot is greater than the outer diameter of the resistance roller.

[0010] In one of the embodiments, the outer shape of the resistance roller is spherical.

[0011] In one of the embodiments, the outer shape of the resistance roller is cylindrical.

[0012] In one of the embodiments, the resistance roller comprises a magnetic core and a soft outer skin, and the magnetic core is embedded in the soft outer skin.

[0013] In one of the embodiments, a pressing plate is arranged on the cutting table, the pressing plate is used to cover the alloy strip, an avoiding opening is arranged on the pressing plate, and the milling cutter passes through the avoiding opening.

[0014] In one of the embodiments, a deviation preventing pressing block is arranged between the milling cutter and the shaping assembly.

[0015] The resistance strip milling and correcting integrated device can groove and shape the alloy strip, improve the processing efficiency, protect the motor when the material clamping phenomenon occurs, reduce the equipment maintenance cost, and prolong the service life of the motor. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as limiting the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0017] Figure 1 Structure diagram of the resistance strip milling and correcting integrated device; Figure 2 Structure diagram of the cutting table; Figure 3 Split diagram of the shaft coupling; Figure 4 Cooperation diagram of the resistance roller, the follower wheel and the polygon boss; Figure 5 Diagram of the shaping area.

[0018] The drawings show that: 10, resistance strip milling and correcting integrated device; 1, shaping area; 20, alloy strip; 21, groove; 100, traction turntable; 200, cutting table; 210, milling cutter; 220, pressing plate; 221, avoiding port; 300, shaping assembly; 310, motor; 311, output shaft; 320, shaping seat; 321, track; 330, polishing wheel; 331, blade; 340, follower wheel; 400, shaft coupling; 410, connecting disc; 411, polygon boss; 420, limiting ring; 421, through groove; 430, resistance roller; 500, anti-deviation pressure block. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the present application, the following will be a more comprehensive description of the present application with reference to the relevant drawings. The drawings show the preferred embodiments of the present application. However, the present application can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "including", "comprising", "having" and the like are specifically intended to be construed in an inclusive sense and not to the exclusion of any other items.

[0022] Referring to Figure 1 , Figure 2 and Figure 3 , the application provides a resistance strip milling and correcting integrated device 10 for processing grooves 21 on an alloy strip 20, which comprises a traction turntable 100 and a cutting table 200 and a shaping assembly 300 arranged in sequence along the feeding direction of the alloy strip 20. The traction turntable 100 winds the alloy strip 20 when rotating, and the strip is wound through the cutting table 200 and the shaping assembly 300.

[0023] Referring to Figure 1 , the cutting table 200 is provided with a milling cutter 210. When the alloy strip 20 passes through the cutting table 200, the milling cutter 210 rotates and mills on the alloy strip 20 to form grooves 21.

[0024] Referring to Figure 1 and Figure 3 , the shaping assembly 300 comprises a motor 310, a shaping seat 320, a grinding wheel 330 and two follower wheels 340. The shaping seat 320 is provided with a track 321, and the two follower wheels 340 are located on both sides of the track 321. The two follower wheels 340 are provided with a shaping area 1 therebetween, as shown in Figure 5 . The output shaft 311 of the motor 310 is connected with the grinding wheel 330, and the grinding wheel 330 is located on the shaping area 1. The outer wall of the grinding wheel 330 is provided with a blade part 331, and the blade part 331 extends into the groove 21. Among them, the grinding wheel 330 and the output shaft 311 are provided with a shaft coupling 400.

[0025] The working principle of the above-mentioned resistance strip milling and correcting integrated device 10 is as follows: The alloy strip 20 is threaded through the cutting table 200 and the shaping assembly 300, and the end of the alloy strip 20 is fixed on the traction turntable 100, so that the surface to be processed on the alloy strip 20 faces the milling cutter 210. In this way, when the traction turntable 100 rotates, it pulls the alloy strip 20 to feed. In this process, the alloy strip 20 first passes through the milling cutter 210, and the milling cutter 210 cuts to form grooves 21 thereon.

[0026] Since the alloy strip 20 is thin, the milling cutter 210 is easy to cause the alloy strip 20 to deform during the cutting process. In the present application, a shaping assembly 300 is arranged on the conveying path of the alloy strip 20. The part of the alloy strip 20 that is cut by the milling cutter 210 is sent into the shaping seat 320. When the alloy strip 20 enters the shaping area 1, the two follow-up wheels 340 decompose and roll the two opposite sides of the alloy strip 20, and the blade part 331 of the grinding wheel 330 extends into the groove 21. While the follow-up wheels 340 roll the outer wall of the alloy strip 20 to perform the shaping operation, the blade part 331 provides support to avoid the groove 21 from being concave due to rolling. On the one hand, the external dimensions of the alloy strip 20 meet the standards, and on the other hand, the size of the groove 21 is prevented from changing during the shaping process. At the same time, the motor 310 drives the grinding wheel 330 to rotate, and the blade part 331 grinds the inner side of the groove 21 to remove burrs generated during the milling process of the milling cutter 210, thereby ensuring the accuracy of the pretreatment of the alloy strip 20.

[0027] It should be noted that there are mainly two reasons for the deformation of the alloy strip 20. One is the dimensional error of the alloy strip 20 generated during the production process, such as local bending and unevenness. The other is that the alloy strip 20 is thin and has low rigidity, and the milling cutter 210 is pressed to the two sides of the groove 21 during the milling process, causing the alloy strip 20 to widen. The shaping operation of the alloy strip 20 is actually to eliminate the dimensional error of the alloy strip 20. The two follow-up wheels 340 and the grinding wheel 330 cooperate to roll the part of the alloy strip 20 that enters the shaping area 1. This process exerts a pressing force on the outer wall of the alloy strip 20 and the groove 21, and the size of the pressing force is proportional to the dimensional deformation of the alloy strip 20. That is, the larger the dimensional deformation of the part that enters the shaping area 1, the greater the pressing force required to flatten it. The flattening capacity of the structure composed of the follow-up wheels 340 and the grinding wheel 330 has an upper limit. When the size of the part to be flattened is too large, the part cannot be flattened and will be stuck in the shaping area 1. At this time, the machine needs to be stopped, and the follow-up wheels 340 and the grinding wheel 330 need to be removed before the stuck part of the alloy strip 20 can be removed, which is difficult to maintain. If the operator does not stop the machine in time when the material sticking problem occurs, the output shaft 311 of the motor 310 will bear the torsion generated when the material is stuck, which is easy to cause the motor 310 to fail, increasing the maintenance cost and causing the pretreatment process of the alloy strip 20 to stop for a long time.

[0028] Please refer to Figure 3 and Figure 4 To solve the above problems, the coupling 400 includes a connecting disc 410, a limiting ring 420, and a plurality of resistance rollers 430.

[0029] Please refer to Figure 3 and Figure 4The connecting disc 410 is arranged at the end of the output shaft 311, and the polishing wheel 330 is rotatably arranged on the connecting disc 410 and can rotate relative to the connecting disc 410. The part of the connecting disc 410 located inside the polishing wheel 330 is provided with a polygonal boss 411, and the polygonal boss 411 and the inner cavity of the polishing wheel 330 have a gap. It should be noted that the cross section of the polygonal boss 411 is hexagonal in this embodiment, and the inner cavity of the polishing wheel 330 is circular, so the gap surrounded by the outer wall of the polygonal boss 411 and the inner cavity of the polishing wheel 330 has the following characteristics: the size of the gap decreases from the middle position of the side to both sides, that is, the middle is wide and the two sides are narrow, as shown in Figure 4 .

[0030] The limiting ring 420 is rotatably arranged in the gap between the polygonal boss 411 and the polishing wheel 330, and the limiting ring 420 is in a freely rotatable state in the gap. The limiting ring 420 is provided with a plurality of through grooves 421, and the resistance rollers 430 are located in the through grooves 421, and the outer wall of the resistance rollers 430 is tangent to one side of the polygonal boss 411; each side of the polygonal boss 411 is attached to one resistance roller 430.

[0031] When the polygonal boss 411 rotates, the resistance rollers 430 are extruded, so that the resistance rollers 430 are in contact with the inner cavity of the polishing wheel 330.

[0032] The coupling 400 links the polishing wheel 330 and the output shaft 311, and the principle of decoupling when the material is blocked is as follows: When the motor 310 starts, the connecting disc 410 rotates with the output shaft 311, while the polishing wheel 330 and the limiting ring 420 are in a stationary state at this moment due to inertia. The resistance rollers 430 limited by the limiting ring 420 are also in a stationary state at the moment when the motor 310 starts. The deflection of the polygonal boss 411 causes its side to push the resistance roller 430, so that the resistance roller 430 moves away from the center of the polygonal boss 411 and comes into contact with the inner wall of the polishing wheel 330. The polygonal boss 411 realizes contact with the polishing wheel 330 through the resistance roller 430, thereby driving the polishing wheel 330 to rotate synchronously to polish the groove 21.

[0033] It should be noted that the motor 310 always rotates in the same direction during polishing, and the resistance rollers 430 are clamped between the polishing wheel 330 and the polygonal boss 411, so that the polishing wheel 330 and the output shaft 311 rotate synchronously.

[0034] The output shaft 311 and the polishing wheel 330 are linked through the resistance roller 430, when the polishing process is blocked, only need to press the emergency stop, after the motor 310 stops running, reverse drag alloy strip 20 can remove the resistance roller 430 on the polishing wheel 330 lock, make the polishing wheel 330 in the state of manual rotation, maintenance personnel do not need to disassemble the polishing wheel 330 also can drag out the blocked part from the shaping area 1, because of no need to disassemble, reassemble parts, greatly reduce the time to remove the blocked, help to reduce the difficulty of maintenance, improve the alloy strip 20 preprocessing efficiency.

[0035] It can be seen that in the initial state, the output shaft 311 and the polishing wheel 330 are not locked with each other, and the polishing wheel 330 is in a free rotating state. Only when the motor 310 is started and the alloy strip 20 exists in the shaping area 1, the resistance roller 430 will contact the inner wall of the polishing wheel 330, linking the polishing wheel 330 with the output shaft 311. At the same time, the resistance roller 430 maintains the rotation of the output shaft 311 and the polishing wheel 330. The resistance roller 430 will bear the extrusion force from the inner wall of the polishing wheel 330 and the side surface of the polygon boss 411. When the material is blocked, the extrusion force on the resistance roller 430 will increase sharply, causing the deformation of the resistance roller 430. The resistance roller 430 cannot continue to resist the inner wall of the polishing wheel 330, and the linkage between the polishing wheel 330 and the output shaft 311 is automatically released. That is, the resistance roller 430 made of a material with lower hardness than the polishing wheel 330 and the polygon boss 411 is used as a vulnerable part to replace the polishing wheel 330 and the output shaft 311, which can protect the main shaping components. On the other hand, after the deformation of the resistance roller 430, it cannot effectively resist the polishing wheel 330, so that the locking of the polishing wheel 330 is automatically released. When the operator closes the device in time, the output shaft 311 is in an idle state, avoiding the continuous effect of the torsion caused by the blocked material on the motor 310, and preventing the motor 310 from overloading and burning out.

[0036] In summary, the resistance strip milling and correcting integrated device 10 has the following beneficial effects: 1. The grooving and shaping of the alloy strip 20 are concentrated in the same device, improving the preprocessing efficiency of the alloy strip 20; 2. The resistance roller 430 links the polishing wheel 330 with the output shaft 311 by taking advantage of the characteristic that the motor 310 always rotates in the same direction during the polishing process, so that the polishing wheel 330 and the output shaft 311 rotate synchronously when the motor 310 is started. When the material is blocked, reversing the polishing wheel 330 can release the linkage with the output shaft 311, making the polishing wheel 330 manually rotatable. The process of removing the blocked material does not require disassembly of the parts, reducing the difficulty of maintenance. 3. The linkage between the grinding wheel 330 and the output shaft 311 is achieved through the resistance roller 430. As a vulnerable component in the coupling 400, the resistance roller 430 can replace the grinding wheel 330 and the output shaft 311 in the event of material jamming and the operator not stopping the machine in time, thus protecting the main shaping components. On the other hand, since the resistance roller 430 cannot effectively support the grinding wheel 330 after deformation, the locking of the grinding wheel 330 is automatically released. This allows the output shaft 311 to be in an idling state when the operator does not shut down the equipment in time, preventing the torque generated by material jamming from continuously acting on the motor 310 and avoiding overload and burnout of the motor 310.

[0037] In one embodiment, the hardness of the resistance roller 430 is less than that of the grinding wheel 330 and the polygonal boss 411, ensuring that the resistance roller 430 deforms first in the event of a jamming problem, thereby protecting other components from damage and reducing equipment maintenance costs. Preferably, the resistance roller 430 includes a magnetic core and a soft outer skin, with the magnetic core embedded in the soft outer skin. The magnetic attraction generated between the magnetic core and the polygonal boss 411 attracts the resistance roller 430 to the outer wall of the polygonal boss 411. The part that deforms after a jamming occurs is the soft outer skin, and the magnetic core can be recycled, reducing maintenance costs.

[0038] In one embodiment, the width of the through groove 421 is greater than the outer diameter of the resistance roller 430, so that there is a gap between the resistance roller 430 and the through groove 421, so as to avoid the through groove 421 from hindering the movement of the resistance roller 430, and ensure that the rotation of the output shaft 311 can push the resistance roller 430 to move outward and abut against the inner wall of the grinding wheel 330 at the first time, thereby locking the grinding wheel 330.

[0039] In one embodiment, the resistance roller 430 is spherical or cylindrical in shape.

[0040] Please see Figure 2 In one embodiment, a pressure plate 220 is provided on the cutting table 200. The pressure plate 220 is used to cover the alloy strip 20. An avoidance opening 221 is provided on the pressure plate 220, and the milling cutter 210 passes through the avoidance opening 221.

[0041] Please see Figure 1 In one embodiment, an anti-bias block 500 is provided between the milling cutter 210 and the shaping component 300. The anti-bias block 500 covers the alloy strip 20 to prevent the alloy strip 20 from jumping during the feeding process and affecting the subsequent shaping process.

[0042] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, several modifications and improvements can be made, which are within the scope of protection of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A combined milling and straightening device for resistance strips, used for machining grooves on alloy strips, characterized in that, include: A traction turntable and a cutting table and a shaping assembly arranged sequentially along the feeding direction of the alloy strip; The cutting table is equipped with a milling cutter, which is used to cut grooves on the alloy strip. The shaping assembly includes a motor, a shaping base, a grinding wheel, and two follower wheels. The shaping base has a track, and the two follower wheels are located on both sides of the track. A shaping area is provided between the two follower wheels. The output shaft of the motor is connected to the grinding wheel, and the grinding wheel is located on the shaping area. The outer wall of the grinding wheel has a cutting edge that extends into the groove. A coupling is provided between the grinding wheel and the output shaft.

2. The integrated device for milling and straightening resistance strips according to claim 1, characterized in that, The coupling includes a connecting plate, a limiting ring, and several resistance rollers. The connecting plate is located at the end of the output shaft. The grinding wheel is rotatably mounted on the connecting plate. A polygonal boss is provided on the part of the connecting plate located inside the grinding wheel. There is a gap between the polygonal boss and the inner cavity of the grinding wheel. The limiting ring is rotatably disposed in the gap between the polygonal boss and the grinding wheel. The limiting ring has multiple through grooves. The resistance roller is located in the through grooves, and the outer wall of the resistance roller is tangent to one side of the polygonal boss. When the polygonal boss rotates, it presses against the resistance roller, causing the resistance roller to abut against the inner cavity of the grinding wheel.

3. The integrated device for milling and straightening resistance strips according to claim 1, characterized in that, The hardness of the resistance roller is less than that of the grinding wheel and the polygonal boss.

4. The integrated device for milling and straightening resistance strips according to claim 1, characterized in that, The polygonal boss has a hexagonal cross-section, and the number of resistance rollers is the same as the number of sides of the polygonal boss.

5. The integrated device for milling and straightening resistance strips according to claim 1, characterized in that, The width of the through groove is greater than the outer diameter of the resistance roller.

6. The integrated device for milling and straightening resistor strips according to claim 1, characterized in that, The resistance roller is spherical in shape.

7. The integrated device for milling and straightening resistor strips according to claim 1, characterized in that, The resistance roller is cylindrical in shape.

8. The integrated device for milling and straightening resistor strips according to claim 1, characterized in that, The resistance roller includes a magnetic core and a soft outer sheath, with the magnetic core embedded within the soft outer sheath.

9. The integrated device for milling and straightening resistor strips according to claim 1, characterized in that, The cutting table is provided with a pressure plate, which is used to cover the alloy strip. The pressure plate has a clearance opening, through which the milling cutter passes.

10. The integrated device for milling and straightening resistance strips according to claim 1, characterized in that, An anti-bias block is provided between the milling cutter and the shaping component.

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