阅读说明：本技术 一种铜棒加工用裁断装置及方法 (Cutting device and method for copper bar processing ) 是由 李恩彦 于 2021-09-17 设计创作，主要内容包括：本发明提一种铜棒加工用裁断装置及方法,其中装置包括由立柱和下横梁组成的框体,所述框体下部的下横梁上设有相对位移机构,所述相对位移机构包括可实现相对运动的左、右螺母块,左、右螺母块上分别设置一组旋转夹持组件；所述旋转夹持组件包括用于对铜棒一端夹持的气动卡盘以及用于驱动气动卡盘转动的第一旋转电机；所述框体上部设置左右位移机构,所述左右位移机构包括一移动螺母块,所述移动螺母块上设有大气缸,所述大气缸连接的支撑板上设置裁断打磨组件,以及位于裁断打磨组件两侧的两组抱夹组件。本发明能够一次性完成对铜棒的切断、打磨工作,并且通过合理的支撑,能够保证裁断效果。(The invention provides a cutting device and a cutting method for processing a copper bar, wherein the cutting device comprises a frame body consisting of an upright post and a lower cross beam, a relative displacement mechanism is arranged on the lower cross beam at the lower part of the frame body, the relative displacement mechanism comprises a left nut block and a right nut block which can realize relative motion, and a group of rotary clamping components are respectively arranged on the left nut block and the right nut block; the rotary clamping assembly comprises a pneumatic chuck for clamping one end of the copper rod and a first rotary motor for driving the pneumatic chuck to rotate; displacement mechanism about framework upper portion sets up, displacement mechanism includes one and removes the nut piece about, be equipped with big cylinder on the removal nut piece, set up in the backup pad that big cylinder is connected and decide the subassembly of polishing to and be located and decide two sets of armful clamp subassemblies of polishing subassembly both sides. The copper bar cutting and polishing device can complete cutting and polishing work on a copper bar at one time, and can ensure cutting effect through reasonable support.)

1. A cutting device for processing copper bars comprises a frame body consisting of stand columns and a lower cross beam, and is characterized in that a relative displacement mechanism is arranged on the lower cross beam at the lower part of the frame body, the relative displacement mechanism comprises a left nut block and a right nut block which can realize relative motion, and a group of rotary clamping components are respectively arranged on the left nut block and the right nut block;

the rotary clamping assembly comprises a pneumatic chuck for clamping one end of the copper rod and a first rotary motor for driving the pneumatic chuck to rotate;

the upper part of the frame body is provided with a left-right displacement mechanism, the left-right displacement mechanism comprises a movable nut block, a large air cylinder is arranged on the movable nut block, a cutting and polishing assembly and two groups of clamping assemblies positioned at two sides of the cutting and polishing assembly are arranged on a supporting plate connected with the large air cylinder;

the cutting and polishing assembly comprises a feeding cylinder and a fixed seat connected to the feeding cylinder, a rotary cylinder, a second rotary motor connected with the rotary cylinder and a circular transmission case connected with the second rotary motor are fixedly arranged on the fixed seat, the circular transmission case is provided with three output rotating shafts which are uniformly distributed in the circumferential direction, and the three output rotating shafts are respectively connected with a cutting grinding wheel, a chamfering grinding wheel and a grinding wheel;

embrace and press from both sides the subassembly and include the pole setting, connect in the outer arc cover of pole setting bottom, set up in outer arc cover and slidable inner arc cover, inner arc sheathes in and sets up the rack area, the rack area passes through drive gear and connects the small motor, thereby inner arc cover can stretch out in by outer arc cover and embrace the clamp with the cooperation of outer arc cover with the bar copper and support outer arc cover inner wall department is equipped with outer running roller and rotates outer arc cover inner wall department is equipped with inner running roller and rotates.

2. A cutting device for processing copper bars according to claim 1, wherein the outer roller rotating member and the inner roller rotating member each comprise an arc frame body, and a plurality of rollers are sequentially arranged on the arc frame body at intervals for supporting the copper bars.

3. The cutting device for processing the copper bar according to claim 1, wherein the relative displacement mechanism further comprises a lower screw rod arranged in the lower beam, the left and right nut blocks have opposite screw thread directions and are in screw thread fit with the lower screw rod, and one end of the lower screw rod is connected with a lower motor.

4. The cutting device for processing the copper bar as claimed in claim 1, wherein the rotary clamping assembly further comprises a semicircular supporting block disposed at one side of the air chuck.

5. The cutting device for processing the copper bar according to claim 1, wherein the first rotating motor is provided with a lower pulley, one end of the air chuck is provided with an upper pulley, and the upper pulley and the lower pulley are connected through a V-belt.

6. The cutting device for processing the copper bar as claimed in claim 5, wherein an air slide ring is further provided at one end of the air chuck connected to the first rotating motor.

7. The cutting device according to claim 1, wherein the left-right displacement mechanism further comprises two fixing plates disposed on the column, a polish rod and a lead screw are disposed between the fixing plates, the movable nut block is in threaded engagement with the lead screw and is in sliding engagement with the polish rod, and an upper motor is connected to one end of the lead screw.

8. The cutting device for processing the copper bar as claimed in claim 1, wherein the circular transmission box is fixed at one end of the second rotating motor through a fixed connecting sleeve, an input shaft of the circular transmission box is connected with an output shaft of the second rotating motor, three output shafts of the circular transmission box are connected with the input shaft of the circular transmission box through a gear set, and the rotating cylinder drives the second rotating motor, the circular transmission box, the cutting grinding wheel, the chamfering grinding wheel and the grinding wheel to rotate 120 degrees in each action.

9. A cutting method using the cutting device for processing a copper bar according to any one of claims 1 to 8, comprising the steps of:

s1, placing a copper bar to be cut on the semicircular supporting blocks, enabling the semicircular supporting blocks at two ends to support the copper bar, starting the upper motor, enabling the movable nut block to drive the large cylinder to move left and right to a proper position, starting the large cylinder to drive the supporting plate to fall down, and enabling the supporting plate to drive the cutting and polishing assembly and the holding and clamping assembly to move down until the inner wall of the outer arc sleeve of the holding and clamping assembly is contacted with the upper surface of the copper bar;

s2, starting a small motor on the holding and clamping assembly, driving an inner arc sleeve to slowly extend out of an outer arc sleeve by the small motor through a transmission gear and a rack belt, and holding and clamping the copper bar in the center until the inner arc sleeve and the outer arc sleeve gradually form a circle close to a full circle;

s3, starting a rotary cylinder of the cutting and polishing assembly, wherein the rotary cylinder drives a second rotary motor and a circular transmission case to rotate so that a cutting grinding wheel is positioned at the lowest part, then starting the second rotary motor, and the second rotary motor drives the cutting grinding wheel, a grinding wheel and a chamfering grinding wheel to rotate;

s4, after the copper bar is cut off, starting a feeding cylinder to retract the copper bar, driving a cutting and polishing assembly to move upwards to the position above the copper bar by the feeding cylinder, starting a rotary cylinder to rotate by 120 degrees, adjusting a chamfering grinding wheel to the lowest position, starting the feeding cylinder again to enable the cutting and polishing assembly to move downwards, starting a lower motor at the same time, driving a left nut block and a right nut block to move towards the middle by the lower motor until two ends of the copper bar are inserted into a pneumatic chuck, then starting the pneumatic chuck to clamp the copper bar tightly, starting a first rotary motor to enable the copper bar to rotate, and realizing chamfering work on the copper bar through mutual rotation of the chamfering grinding wheel and the copper bar which are positioned at the lowest position;

s5, after the chamfering of the copper bar is completed, the feeding cylinder is started to retract the copper bar, the feeding cylinder drives the cutting and polishing assembly to move upwards to the upper side of the copper bar, the rotating cylinder is started to rotate by 120 degrees, the grinding wheel is adjusted to the lowest side, the feeding cylinder is started again to enable the cutting and polishing assembly to move downwards, and the surface grinding work of the copper bar is realized through the mutual rotation of the grinding wheel and the copper bar which are positioned at the lowest side.

10. A cutting method of a cutting device for processing copper bars according to claim 9, characterized in that, in the holding clamp assembly, the inner roller rotating piece and the outer roller rotating piece are respectively in contact with the surface of the copper bar, and the normal rotation of the copper bar is ensured by the rollers of the inner roller rotating piece and the outer roller rotating piece.

Technical Field

The invention mainly relates to the technical field related to copper bar processing, in particular to a cutting device and a cutting method for copper bar processing.

Background

The copper rod is one of non-ferrous metal processing rods, has good processing performance and high conductivity, is mainly divided into a brass rod and a red copper rod, the brass rod is a rod-shaped object made of copper and zinc alloy, is famous for yellow color, has good mechanical property and wear resistance, and can be used for manufacturing precise instruments, parts of ships, shells of guns and the like.

The copper bar needs to be cut to meet different requirements during production, and the existing copper bar cutting device generally only cuts the copper bar and cannot realize chamfering and polishing at a fracture, so that the next step of fracture chamfering or polishing is still needed after the copper bar is cut, and the efficiency is low; moreover, owing to do not have the reasonable holding power to the bar copper at the in-process of cutting, the cutting force can influence the normal feeding of cutter, leads to the phenomenon that the bar copper easily takes place the skew, leads to the cutting progress low, causes the production of waste material.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a cutting device and a cutting method for processing a copper bar, which are combined with the prior art and are started from practical application, wherein the cutting device and the cutting method can finish the cutting and polishing work of the copper bar at one time, and can ensure the cutting effect through reasonable support.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a cutting device for processing copper bars comprises a frame body consisting of stand columns and a lower cross beam, wherein a relative displacement mechanism is arranged on the lower cross beam at the lower part of the frame body, the relative displacement mechanism comprises a left nut block and a right nut block which can realize relative motion, and a group of rotary clamping assemblies are respectively arranged on the left nut block and the right nut block;

the rotary clamping assembly comprises a pneumatic chuck for clamping one end of the copper rod and a first rotary motor for driving the pneumatic chuck to rotate;

the upper part of the frame body is provided with a left-right displacement mechanism, the left-right displacement mechanism comprises a movable nut block, a large air cylinder is arranged on the movable nut block, a cutting and polishing assembly and two groups of clamping assemblies positioned at two sides of the cutting and polishing assembly are arranged on a supporting plate connected with the large air cylinder;

the cutting and polishing assembly comprises a feeding cylinder and a fixed seat connected to the feeding cylinder, a rotary cylinder, a second rotary motor connected with the rotary cylinder and a circular transmission case connected with the second rotary motor are fixedly arranged on the fixed seat, the circular transmission case is provided with three output rotating shafts which are uniformly distributed in the circumferential direction, and the three output rotating shafts are respectively connected with a cutting grinding wheel, a chamfering grinding wheel and a grinding wheel;

embrace and press from both sides the subassembly and include the pole setting, connect in the outer arc cover of pole setting bottom, set up in outer arc cover and slidable inner arc cover, inner arc sheathes in and sets up the rack area, the rack area passes through drive gear and connects the small motor, thereby inner arc cover can stretch out in by outer arc cover and embrace the clamp with the cooperation of outer arc cover with the bar copper and support outer arc cover inner wall department is equipped with outer running roller and rotates outer arc cover inner wall department is equipped with inner running roller and rotates.

Further, outer running roller rotates piece and interior running roller and rotates the piece and be including an arc support body, and the interval arrangement has a plurality of running rollers in proper order on the arc support body for support the bar copper.

Further, relative displacement mechanism still includes the lower lead screw that sets up in the bottom end rail, and left and right nut piece screw thread revolves to opposite and all with lower lead screw thread fit, and lower motor is connected to lower lead screw one end.

Furthermore, the rotary clamping assembly further comprises a semicircular supporting block arranged on one side of the pneumatic chuck.

Further, a lower belt wheel is arranged on the first rotating motor, an upper belt wheel is arranged at one end of the pneumatic chuck, and the upper belt wheel and the lower belt wheel are connected through a triangular belt.

Further, one end of the pneumatic chuck, which is connected with the first rotating motor, is also provided with a pneumatic slip ring.

Further, control displacement mechanism still including setting up two fixed plates on the stand, set up polished rod and lead screw between the fixed plate, remove nut piece and lead screw thread fit, with polished rod sliding fit, motor is connected to lead screw one end.

Furthermore, the circular transmission case is fixed at one end of the second rotating motor through a fixed connecting sleeve, an input shaft of the circular transmission case is connected with an output shaft of the second rotating motor, three output shafts of the circular transmission case are connected with the input shaft of the circular transmission case through a gear set, and the rotating cylinder moves each time to drive the second rotating motor, the circular transmission case and cut off the grinding wheel, chamfer the grinding wheel and grind the grinding wheel to realize 120-degree rotation.

According to another aspect of the present invention, there is provided a cutting method using the cutting device for processing a copper bar, including the steps of:

s1, placing a copper bar to be cut on the semicircular supporting blocks, enabling the semicircular supporting blocks at two ends to support the copper bar, starting the upper motor, enabling the movable nut block to drive the large air cylinder to move left and right to a proper position, starting the large air cylinder to drive the supporting plate to fall down, and enabling the supporting plate to drive the cutting and polishing assembly and the holding and clamping assembly to move down until the inner wall of the annular holding and clamping device of the holding and clamping assembly is in contact with the upper surface of the copper bar;

s2, starting a small motor on the holding and clamping assembly, driving an inner arc sleeve to slowly extend out of an outer arc sleeve by the small motor through a transmission gear and a rack belt, and holding and clamping the copper bar in the center until the inner arc sleeve and the outer arc sleeve gradually form a circle close to a full circle;

s3, starting a rotary cylinder of the cutting and polishing assembly, wherein the rotary cylinder drives a second rotary motor and a circular transmission case to rotate so that a cutting grinding wheel is positioned at the lowest part, then starting the second rotary motor, and the second rotary motor drives the cutting grinding wheel, a grinding wheel and a chamfering grinding wheel to rotate;

s4, after the copper bar is cut off, starting a feeding cylinder to retract the copper bar, driving a cutting and polishing assembly to move upwards to the position above the copper bar by the feeding cylinder, starting a rotary cylinder to rotate by 120 degrees, adjusting a chamfering grinding wheel to the lowest position, starting the feeding cylinder again to enable the cutting and polishing assembly to move downwards, starting a lower motor at the same time, driving a left nut block and a right nut block to move towards the middle by the lower motor until two ends of the copper bar are inserted into a pneumatic chuck, then starting the pneumatic chuck to clamp the copper bar tightly, starting a first rotary motor to enable the copper bar to rotate, and realizing chamfering work on the copper bar through mutual rotation of the chamfering grinding wheel and the copper bar which are positioned at the lowest position;

s5, after the chamfering of the copper bar is completed, the feeding cylinder is started to retract the copper bar, the feeding cylinder drives the cutting and polishing assembly to move upwards to the upper side of the copper bar, the rotating cylinder is started to rotate by 120 degrees, the grinding wheel is adjusted to the lowest side, the feeding cylinder is started again to enable the cutting and polishing assembly to move downwards, and the surface grinding work of the copper bar is realized through the mutual rotation of the grinding wheel and the copper bar which are positioned at the lowest side.

Further, in embracing the clamp subassembly, with bar copper surface contact respectively be that interior running roller rotates piece and outer running roller rotates the piece, rotate the normal rotation of the running roller assurance bar copper that piece and outer running roller rotated through interior running roller.

The invention has the beneficial effects that:

1. the cutting device for processing the copper bar provided by the invention can be used for clamping at one time, so that the cutting, chamfering and polishing operations of the copper bar are realized, the processed copper bar is free of burrs, the next polishing operation is not required to be carried out after the cutting and processing of the copper bar, and the operation efficiency can be obviously improved.

2. According to the cutting device for processing the copper bar, the clamping component can clamp and support the copper bar when the copper bar is processed, so that the lower part of the copper bar has a supporting force in the processing process, and therefore when the copper bar is cut off, the downward acting force of the fracture of the copper bar cannot interfere with a cutter, the processing effect of the copper bar can be guaranteed, and the interference on taking and placing of the copper bar cannot be caused.

3. The cutting and polishing assembly of the cutting device for processing the copper bar is compact in structural design, cutting, chamfering and polishing operations are completed at one time by alternately using the cutters, and the cutting device is simple, reasonable and compact in overall layout structure and beneficial to popularization and application.

4. The copper bar processing method provided by the invention can realize cutting, chamfering and polishing operations of the copper bar by one-time clamping, the whole operation process is simple and reliable, the cutting efficiency of the copper bar can be obviously improved, no burr is left on the periphery of the cut copper bar, and the next polishing process is not needed.

5. According to the copper bar processing method provided by the invention, the stability and reliability of copper bar clamping can be ensured in the copper bar cutting process, the chamfering and polishing effects can be ensured by matching the rotation of the copper bar with the cutter in the copper bar chamfering and polishing processes, and the arranged inner roller rotating piece and the outer roller rotating piece not only can ensure the clamping of the copper bar, but also cannot influence the normal rotation of the copper bar.

6. The copper bar processing method provided by the invention has high automation degree, only needs simple assistance in manual work, and can reduce labor cost while improving the operation efficiency.

Drawings

Fig. 1 is a schematic diagram of the general structure of the present invention.

FIG. 2 is a schematic view of the structure of the left-right displacement mechanism B-B in FIG. 1.

Fig. 3 is a schematic diagram of the related structure of the cutting and polishing assembly and the holding and clamping assembly of the invention.

FIG. 4 is a schematic view of the structure of the circular transmission case in the direction of A-A in FIG. 3.

FIG. 5 is a schematic view of a C-C directional structure of the clamping assembly shown in FIG. 3;

FIG. 6 is a schematic view of the structure of FIG. 5 taken along the direction D-D;

FIG. 7 is a schematic view of a rotary clamping assembly of the present invention;

fig. 8 is a schematic view of the structure of the air chuck in the direction of E-E in fig. 7.

Reference numerals shown in the drawings:

1. a left upright post; 2. a left fixing plate; 3. a lead screw; 4. a lower cross beam; 5. a left nut block; 6. a nut connecting block; 7. a pneumatic chuck base; 8. a semicircular supporting block; 9. a pneumatic chuck; 10. a pneumatic slip ring; 11. an upper belt wheel; 12. a V-belt; 13. a lower belt wheel; 14. a first rotating electrical machine; 15. a lower lead screw; 16. a right nut block; 17. a lower motor; 18. an upper motor; 19. a right fixing plate; 20. a right upright post; 21. a polish rod; 22. moving the nut block; 23. a large cylinder; 24. a support plate; 25. erecting a rod; 26. a feed cylinder; 27. an outer arc-shaped sleeve; 28. a small motor; 29. a rotating cylinder; 30. a second rotating electrical machine; 31. fixing the connecting sleeve; 32. a circular transmission case; 33. grinding a grinding wheel; 34. cutting off the grinding wheel; 35. chamfering the grinding wheel; 36. a main gear; 37. a pinion gear; 38. a transmission gear; 39. a motor support plate; 40. an inner arc-shaped sleeve; 41. an inner roller rotating member; 42. an outer roller rotating member; 43. toothed belt.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

Fig. 1 to 8 are schematic structural diagrams of a cutting device for processing a copper bar according to an embodiment of the present invention.

The cutting device for processing the copper bar mainly comprises a frame body consisting of a stand column and a lower cross beam 4. Specifically, the stand includes left stand 1 and right stand 20 of fixing at the bottom end of bottom end rail 4, and left fixed plate 2, right stand 20 upper portion are provided with right fixed plate 19 in left stand 1 upper end setting. Be equipped with relative displacement mechanism on bottom end rail 4, this relative displacement mechanism mainly includes left nut piece 5, the right nut piece 6 that can realize relative motion, and left nut piece 5, the right nut piece 6 screw thread revolve to opposite and all with lead screw 15 screw-thread fit down, and motor 17 is down connected to lead screw 15 one end down, through the rotation of motor 17 down, can make left nut piece 5, right nut piece 6 realize the motion of opposite directions mutually. Be provided with nut connecting block 6 on left nut piece 5, the right nut piece 6 respectively, set up a set of rotatory centre gripping subassembly on the nut connecting block 6 respectively, this rotatory centre gripping subassembly mainly used carries out the centre gripping to the both ends of bar copper and fixes to drive the bar copper and rotate. The clamping of the copper bars is mainly achieved by means of a pneumatic chuck 9. Preferably, a pneumatic slip ring 10 is arranged at one end of the pneumatic chuck 9, the pneumatic slip ring 10 is connected with a first rotating motor 14 through an upper belt wheel 11, a triangular belt 12 and a lower belt wheel 13, a semicircular supporting block 8 is arranged at the other end of the pneumatic chuck 9 and used for supporting the copper rod, when the first rotating motor 14 is started, the pneumatic chuck 9 is driven to rotate through the upper belt wheel 11, the triangular belt 12 and the lower belt wheel 13, and the copper rod can be driven to rotate after being clamped by the pneumatic chuck 9.

A left-right displacement mechanism is provided between the left fixing plate 2 and the right fixing plate 19 in the present embodiment, and is mainly used for controlling the machining position of the machining tool. Specifically, the left-right displacement mechanism comprises a polished rod 21 and a lead screw 3 which are arranged between a left fixing plate 2 and a right fixing plate 19, a movable nut block 22 is in threaded fit with the lead screw 3 and is in sliding fit with the polished rod 21, one end of the lead screw 3 is connected with an upper motor 18, and when the upper motor 18 rotates, the position of the movable nut block 22 in the left-right direction can be controlled. Be equipped with big cylinder 23 on the removal nut piece 22, the subassembly of polishing is decided to the setting in the backup pad 24 that this big cylinder 23 is connected to and be located and decide two sets of armful clamp subassemblies of polishing subassembly both sides, decide the position about polishing subassembly through controlling displacement mechanism and adjusting, decide the subassembly of polishing, embrace the upper and lower position of clamp subassembly through big cylinder 23 control.

The holding and clamping assembly is mainly used for providing a supporting force for the copper bar nearby the cutting section of the copper bar in a mode of clamping the copper bar in an annular mode. Specifically, as shown in the figure, the clasping and clamping assembly comprises an upright rod 25, an outer arc-shaped sleeve 27 connected to the bottom of the upright rod 25, and an inner arc-shaped sleeve 40 which is arranged in the outer arc-shaped sleeve 27 and can slide, wherein a rack belt 43 is arranged on the inner arc-shaped sleeve 40, and the rack belt 43 is connected with the small motor 38 through a transmission gear 28. When big cylinder 23 fell down, outer arc cover 27 inner wall can with bar copper upper surface contact, start little motor 38 this moment, arc cover 40 can stretch out in by outer arc cover 40 in little motor 38 control to form whole circle structure with outer arc cover 27 cooperation, embrace the bar copper and press from both sides the support, so, can provide a holding power by the below near the cutting section of bar copper to the bar copper, can protect the cutter, avoid the bar copper to produce the displacement, guarantee processingquality.

Decide the subassembly of polishing and mainly used and carry out the processing operation to the bar copper. In this embodiment, this decide subassembly of polishing can directly accomplish and decide, chamfer and grind the operation. This decide subassembly of polishing mainly includes one and feeds cylinder 26, connect the fixing base on feeding cylinder 26, should be fixed and set up revolving cylinder 29, the circular transmission case 32 of second rotating electrical machines 30 that is connected with revolving cylinder 29 and being connected with second rotating electrical machines 30, this circular transmission case 32 has the output pivot of three circumference equipartition, three output pivot is connected respectively and is cut off emery wheel 34, chamfer emery wheel 35 and grinding wheel 33, through master gear 36, the transmission of pinion 37 between three output pivot and the input shaft.

Second rotating electrical machines 30 rotates and can drive simultaneously and cut off emery wheel 34, chamfer emery wheel 35 and grind emery wheel 33 and rotate, and revolving cylinder 29 can realize 60 degrees rotations at every turn for adjust and cut off emery wheel 34, chamfer emery wheel 35 and grind emery wheel 33's processing position, and feed cylinder 26 can control whole part from top to bottom, and when can avoiding the tool changing on the one hand, produce with the bar copper position and interfere, and on the other hand can provide corresponding feed power downwards. Should decide the subassembly of polishing through the rational arrangement of a plurality of cutters, can realize cutting, chamfer and the operation of polishing to the bar copper respectively after the disposable clamping of bar copper.

Simultaneously, as preferred, in order to guarantee after the bar copper centre gripping, it still can the free rotation, in this embodiment, be equipped with outer roller at outer arc cover 27 inner wall department and rotate piece 41, be equipped with interior roller and rotate piece 42 in the department of inner arc cover 40 inner wall, outer roller rotates piece 41 and interior roller and rotates piece 42 and is including an arc support body, and the interval arrangement has a plurality of running rollers in proper order on the arc support body for support the bar copper, and do not influence the rotation of bar copper.

The cutting device that this embodiment provided compact structure, rationally distributed, can be convenient carry out getting of bar copper and put, and can once only accomplish cutting, chamfer and the operation of polishing of bar copper behind the bar copper is put, efficient, add man-hour at the bar copper simultaneously, can give the reasonable holding power of bar copper, guarantee the cutter and to the processing effect of bar copper.

According to another aspect of the present invention, an embodiment of the present invention further provides a cutting method based on the cutting device for processing a copper bar.

The method mainly comprises the following steps:

s1, placing the copper bar to be cut on the semicircular supporting blocks 8, enabling the semicircular supporting blocks 8 at two ends to support the copper bar, starting the upper motor 18, enabling the movable nut block 22 to drive the large cylinder 23 to move left and right to a proper position (namely a processing position in the left-right direction), starting the large cylinder 23 to drive the supporting plate 24 to fall down, enabling the supporting plate 24 to drive the cutting and polishing assembly and the holding and clamping assembly to move down, when the large cylinder moves down to the lowest point, enabling the inner wall of the outer arc sleeve 27 of the holding and clamping assembly to be in contact with the upper surface of the copper bar, enabling the feeding motor 26 to be in a contraction state, and enabling the cutting grinding wheel 34, the chamfering grinding wheel 35 and the grinding wheel 33 to be located above the copper bar;

s2, starting the small motor 28 on the holding and clamping assembly, enabling the small motor 28 to rotate, driving the inner arc sleeve 40 to slowly extend out of the outer arc sleeve 27 through the transmission gear 38 and the rack belt 43, enabling the inner arc sleeve 40 to gradually coat the lower surface of the copper rod along with the extension of the inner arc sleeve 40, enabling the inner arc sleeve 40 and the outer arc sleeve 27 to gradually form a nearly complete circle, holding and clamping the copper rod in the center, and forming supporting force on the copper rod in the whole circumferential direction; after the copper bar is supported by the semicircular supporting block 8 and the clamping assembly, the copper bar can be processed by the cutting and polishing assembly;

s3, starting a rotary cylinder 29 of the cutting and grinding assembly, wherein the rotary cylinder 29 drives a second rotary motor 30 and a circular transmission case 32 to rotate, so that a cutting grinding wheel 34 is positioned at the lowest part (therefore, the feeding cylinder is in a contraction state, and normal tool changing cannot be influenced), then starting the second rotary motor 30, driving the cutting grinding wheel 34, a grinding wheel 33 and a chamfering grinding wheel 35 to rotate by the second rotary motor 30, starting the feeding cylinder 26 at the moment, applying a certain acting force downwards by the feeding cylinder 26, and gradually cutting off the copper rod by the cutting grinding wheel 34 which rotates at a high speed and is positioned at the lowest part;

s4, after the copper bar is cut off, starting the feeding cylinder 26 to retract, driving the cutting and polishing assembly to move upwards to the position above the copper bar by the feeding cylinder 26, and not affecting normal tool changing, at the moment, starting the rotating cylinder 29 to rotate 120 degrees, adjusting the chamfering grinding wheel 35 to the lowest position, starting the feeding cylinder 26 again to apply a certain downward acting force, meanwhile, starting the lower motor 17, driving the left and right nut blocks (5 and 16) to move towards the middle by the lower motor 17 until the two ends of the copper bar are inserted into the pneumatic chuck 9, then starting the pneumatic chuck 9 to clamp the copper bar tightly, starting the first rotating motor 14 to rotate the copper bar, and at the moment, realizing the chamfering work of the copper bar through the mutual rotation of the chamfering grinding wheel 35 positioned at the lowest position and the copper bar;

s5, after chamfering of the copper bar is completed, the feeding cylinder 26 is started to retract, the feeding cylinder 26 drives the cutting and polishing assembly to move upwards to the upper side of the copper bar, the rotating cylinder 29 is started to rotate for 120 degrees, the grinding wheel 33 is adjusted to the lowest side, the feeding cylinder 26 is started again to enable the cutting and polishing assembly to move downwards, and surface grinding work of the copper bar is achieved through mutual rotation of the grinding wheel 33 located at the lowest side and the copper bar.

Therefore, the cutting, chamfering and grinding of the copper bar can be realized at one time, so that the edge of the cut copper bar is free of burrs, the automation degree is high in the whole machining process, and the manpower only needs simple assistance, so that the manpower can be saved, and the operation efficiency can be improved.