CN111843757B - Silicon steel sheet forming and finish machining process - Google Patents
Silicon steel sheet forming and finish machining process Download PDFInfo
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- CN111843757B CN111843757B CN202010726215.7A CN202010726215A CN111843757B CN 111843757 B CN111843757 B CN 111843757B CN 202010726215 A CN202010726215 A CN 202010726215A CN 111843757 B CN111843757 B CN 111843757B
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- silicon steel
- steel sheet
- plate
- polishing
- belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/08—Dust extraction equipment on grinding or polishing machines specially designed for belt grinding machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a silicon steel sheet forming and finish machining process, which adopts a polishing machine, wherein the polishing machine comprises a bottom plate, a fixing device arranged at the top of the bottom plate and a polishing device used for polishing a silicon steel sheet, a tensioning device is arranged above the polishing device, and an ash removal device is arranged at the bottom of the fixing device. The invention fixes the silicon steel sheet inner support by matching the circular platform expansion core and the fan-shaped expansion block, is suitable for silicon steel sheets with different sizes, and utilizes the pressure of the tension device on the belt to ensure that the polishing layer can be always contacted with the outer wall of the silicon steel sheet, thereby the polishing is more uniform; according to the belt-type silicon steel sheet polishing device, the rotating plate drives the rotating part to rotate, so that the locking part drives the silicon steel sheet to rotate in the direction opposite to the belt, the friction force between the polishing layer and the silicon steel sheet is increased, and the outer wall of the silicon steel sheet is polished in all directions.
Description
Technical Field
The invention relates to the technical field of silicon steel sheet polishing, in particular to a silicon steel sheet forming finish machining process.
Background
The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy, wherein the rotor is a rotating part in the motor, and the rotor is made of silicon steel sheets and is a ferrosilicon soft magnetic alloy with extremely low carbon content. When the silicon steel sheet is used as a motor iron core, the surface is required to be smooth and flat, the thickness is required to be uniform, the filling coefficient of the iron core can be improved, and therefore the outer wall of the stamped silicon steel sheet needs to be polished.
The silicon steel sheet needs to be fixed before polishing, and the prior silicon steel sheet has the following defects during polishing: firstly, silicon steel sheets with different sizes and specifications are not always completely contacted with a polishing layer during polishing, so that the polishing effect is uneven; and secondly, because the outer annular surface of the silicon steel sheet is a curved surface, the silicon steel sheet is kept still during polishing, so that the outer annular surface is not completely polished.
Therefore, the invention provides a silicon steel sheet forming and finishing process.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a silicon steel sheet forming finish machining process adopts a polishing machine which comprises a bottom plate, a fixing device and a polishing device, wherein the fixing device is arranged at the top of the bottom plate, the polishing device is used for polishing silicon steel sheets, the fixing device comprises two groups of symmetrically arranged mounting plates, each mounting plate consists of the bottom plate extending along the length direction of the bottom plate and a plurality of groups of vertical plates arranged at the top of the bottom plate at intervals, sliding blocks are symmetrically arranged at the bottom of each mounting plate, sliding grooves are formed in the positions, corresponding to the sliding blocks, at the top of the bottom plate, and the sliding blocks are in butt joint in the sliding grooves in a sliding mode;
a plurality of groups of fixing mechanisms are arranged between the two groups of mounting plates, each fixing mechanism comprises a fixing part arranged on one group of mounting plate vertical plates and a locking part arranged on the other group of mounting plates vertically, each fixing part comprises a cylinder and a limiting plate arranged at one end of the cylinder, the limiting plates are rotatably connected with the vertical plates through bearings, a plurality of groups of arc-shaped holes distributed in a ring shape are formed in the outer wall of the cylinder, a fan-shaped expansion block is arranged in each group of arc-shaped holes in a sliding manner, one end, close to the limiting plate, of each fan-shaped expansion block is provided with a waist-shaped groove extending along the moving direction of the fan-shaped expansion block, and the tail end of each arc-shaped hole is provided with a guide rod extending into the waist-shaped groove;
the locking part comprises a cylinder rotatably arranged on the mounting plate and a connecting rod fixedly connected to the center of the cylinder, the tail end of the connecting rod is provided with a circular platform expansion core extending into the cylinder, the outer wall of the cylinder is also provided with a plurality of groups of supports which are distributed in an annular mode, and the tail end of each support is fixedly connected with a clamping block butted in a ventilation groove in the outer wall of the silicon steel sheet;
the fixing device also comprises a rotating part, the rotating part comprises a transmission shaft penetrating through the vertical plate of the mounting plate, one end of the transmission shaft is fixedly connected with the outer wall of the cylinder, the other end of the transmission shaft is fixedly connected with a connecting plate, the tail end of the connecting plate is vertically provided with a positioning pin, and a plurality of groups of positioning pins are connected with the rotating plate together;
the polishing device comprises two pairs of belt seat bearings arranged at two ends of the bottom plate and a rotating roller rotatably arranged between each pair of belt seat bearings, wherein a motor is fixedly arranged on the outer wall of one group of belt seat bearings, the output end of the motor is fixedly connected with the central shaft of the rotating roller, the two groups of motors are connected through belt transmission, the silicon steel sheet is contacted with the inner walls of the upper layer and the lower layer of the belt, a polishing layer for polishing the silicon steel sheet is arranged on the inner wall of the belt, and a through hole penetrating through the polishing layer is formed in the belt;
the ash removing device comprises a fixed vertical plate vertically arranged on a bottom plate of the mounting plate and a cleaning brush penetrating through the top of the fixed vertical plate, and the cleaning brush is in contact with the surface of a polishing layer below the cleaning brush;
the silicon steel sheet forming and finishing process comprises the following steps:
s1 fixing the silicon steel sheet: sleeving silicon steel sheets on a cylinder, pushing two groups of mounting plates to move oppositely along a sliding groove, enabling a locking part and a fixing part to gradually approach, gradually feeding a circular table expansion core into the cylinder under the driving of the cylinder, enabling a fan-shaped expansion block to move outwards from an arc hole under the thrust of the circular table expansion core, so as to support and fix the silicon steel sheets in the inner support, and enabling a clamping block to be butted in a ventilation groove in the outer wall of the silicon steel sheets;
and S2 silicon steel sheet polishing: the motor is started to drive the rotating rollers to rotate, the other set of rotating rollers synchronously rotate under the transmission action of the belt, the polishing layer is in close contact with the outer wall of the silicon steel sheet, the rotating plate is rotated to drive the rotating portions to synchronously rotate, the locking portions synchronously rotate under the driving of the rotating portions, the silicon steel sheet rotates under the driving of the clamping blocks, the rotating direction of the silicon steel sheet is opposite to the rotating direction of the belt, the friction force between the silicon steel sheet and the polishing layer is increased, and all-dimensional polishing is realized;
s3 polishing layer deashing: the cleaning brush scrapes the metal scraps polished by the polishing layer from the through hole;
s4 disassembling silicon steel sheets: and closing the motor, outwards pushing the mounting plate to separate the fixing part from the locking part, so that the fan-shaped expansion block is not subjected to the thrust of the circular truncated cone expansion core any more, and the inner wall of the silicon steel sheet is not subjected to extrusion force any more, and the polished silicon steel sheet is pulled out from the fixing part.
Preferably, the diameter that the round platform bloated core is close to connecting rod one side is greater than the diameter of keeping away from connecting rod one side, and the one end that the limiting plate was kept away from to the interior anchor ring of fan-shaped bloated piece is the slope form, and the interior anchor ring of fan-shaped bloated piece contacts with the outer wall of round platform bloated core.
Preferably, grinding device's top is provided with overspeed device tensioner, and overspeed device tensioner includes that two pairs of settings are at the square pipe at bottom plate both ends, and the top of square pipe slides and is provided with the telescopic link, and the telescopic link passes through the bottom fixed connection of spring and square pipe, and every is provided with the roller to rotating between the telescopic link, and the outside fixed cover of roller is equipped with the compression roller.
Preferably, two pairs erect between the telescopic link two sets of strip shaped plates that extend along bottom plate length direction, the both ends of roller run through the lateral wall of strip shaped plate, and bottom fixed mounting between two sets of strip shaped plates has the diaphragm.
Preferably, the bottom of the transverse plate is flush with the bottom of the press roller, and the press roller is in contact with the belt.
Preferably, the sliding groove is perpendicular to the bottom plate of the mounting plate, two ends of the sliding groove extend to the outer edge of the bottom plate, and a rubber layer is bonded to the inner wall of the sliding groove.
Preferably, the through holes are distributed at equal intervals along the length of the belt, and the through holes are distributed along the width of the belt in a staggered manner.
Advantageous effects
1. The invention fixes the silicon steel sheet inner support by matching the circular platform expansion core and the fan-shaped expansion block, is suitable for silicon steel sheets with different sizes, and utilizes the pressure of the tension device on the belt to ensure that the polishing layer can be always contacted with the outer wall of the silicon steel sheet, thereby the polishing is more uniform;
2. according to the belt-type polishing machine, the rotating plate drives the rotating part to rotate, so that the locking part drives the silicon steel sheet to rotate in the direction opposite to the belt, the friction force between the polishing layer and the silicon steel sheet is increased, and the outer wall of the silicon steel sheet is polished in all directions;
3. according to the invention, the dust removing device is arranged, so that metal scraps on the polishing layer are swept from the through hole, and the service life of the polishing layer is prolonged.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a schematic structural view of the fixing mechanism and the silicon steel sheet according to the present invention;
FIG. 4 is a perspective view of the securing mechanism of the present invention;
FIG. 5 is a cut-away view of the securing mechanism of the present invention;
FIG. 6 is a perspective view of another aspect of the present invention;
fig. 7 is a partial cutaway view of the present invention.
In the figure: 10. a base plate; 11. a chute; 20. a fixing device; 21. mounting a plate; 211. a slider; 22. a fixed part; 221. a cylinder; 222. an arc-shaped hole; 223. a fan-shaped expansion block; 224. a limiting plate; 23. a locking portion; 231. a cylinder; 232. a connecting rod; 233. a circular truncated cone expansion core; 234. a support; 235. a clamping block; 24. a rotating part; 241. a drive shaft; 242. connecting plates; 243. positioning pins; 25. a rotating plate; 30. a polishing device; 31. a pedestal bearing; 32. rotating the roller; 33. a motor; 34. a belt; 341. polishing the layer; 342. a through hole; 40. a tensioning device; 41. a square tube; 42. a telescopic rod; 43. a roll shaft; 44. a compression roller; 45. a strip plate; 46. a transverse plate; 50. a dust removal device; 51. fixing the vertical plate; 52. a cleaning brush.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 2 to 7, a forming and finishing process of a silicon steel sheet, which employs a burnishing and polishing machine, the grinding and polishing machine comprises a bottom plate 10, a fixing device 20 arranged at the top of the bottom plate 10 and a grinding device 30 used for grinding silicon steel sheets, wherein the fixing device 20 comprises two sets of symmetrically arranged mounting plates 21, the mounting plates 21 are composed of a bottom plate extending along the length direction of the bottom plate 10 and a plurality of sets of vertical plates arranged at the top of the bottom plate at intervals, the bottom of the mounting plates 21 is symmetrically provided with sliding blocks 211, the top of the bottom plate 10 corresponding to the sliding blocks 211 is provided with a sliding chute 11 vertical to the bottom plate, and both ends of the sliding groove 11 extend to the outer edge of the bottom plate 10, the sliding block 211 is in sliding butt joint in the sliding groove 11, a rubber layer is bonded on the inner wall of the sliding groove 11, the sliding groove 11 plays a role in guiding and limiting the mounting plate 21, and meanwhile, the rubber layer increases the friction force between the sliding block 211 and the sliding groove 11;
a plurality of groups of fixing mechanisms are arranged between the two groups of mounting plates 21, the fixing mechanisms correspond to the vertical plates one by one, each fixing mechanism comprises a fixing part 22 arranged on one group of mounting plates 21 and a locking part 23 arranged on the other group of mounting plates 21, each fixing part 22 comprises a cylinder 221 and a limiting plate 224 arranged at one end of the cylinder 221, the limiting plates 224 are rotatably connected with the vertical plates through bearings, the outer wall of the cylinder 221 is provided with a plurality of groups of arc-shaped holes 222 distributed annularly, fan-shaped expansion blocks 223 are arranged in each group of arc-shaped holes 222 in a sliding manner, one ends of the fan-shaped expansion blocks 223, which are close to the limiting plates 224, are provided with waist-shaped grooves (not shown in the figure) extending along the moving direction of the limiting plates, the inner walls of the arc-shaped holes 222 are vertically provided with guide rods extending into the waist-shaped grooves, and the guide rods prevent the fan-shaped expansion blocks 223 from being completely separated from the arc-shaped holes 222;
the locking part 23 comprises a cylinder 231 rotatably arranged on the mounting plate 21 and a connecting rod 232 fixedly connected to the center of the cylinder 231, the tail end of the connecting rod 232 is provided with a circular table expanding core 233 extending into the cylinder 221, the diameter of one side, close to the connecting rod 232, of the circular table expanding core 233 is larger than that of one side, far away from the connecting rod 232, one end, far away from the limiting plate 224, of the inner annular surface of the sector expanding block 223 is inclined, and the inner annular surface of the sector expanding block 223 is in contact with the outer wall of the circular table expanding core 233; the silicon steel sheets used by the motor rotor are sleeved on the cylinder 221, when the two groups of mounting plates 21 move along the sliding groove 11 in the opposite direction, the locking part 23 and the fixing part 22 gradually approach each other, the circular truncated cone expansion core 233 is gradually fed into the cylinder 221 under the driving of the cylinder 231, and the fan-shaped expansion block 223 moves outwards from the arc-shaped hole 222 under the thrust of the circular truncated cone expansion core 233, so that the silicon steel sheets are supported and fixed in the inner mode; the outer wall of the cylinder 231 is also provided with a plurality of groups of brackets 234 which are distributed annularly, the tail end of each bracket 234 is fixedly connected with a fixture block 235, the section of each fixture block 235 is fan-shaped, and each fixture block 235 is butted in a ventilation groove on the outer wall of the silicon steel sheet;
the fixing device 20 further comprises a rotating part 24, the rotating part 24 comprises a transmission shaft 241 penetrating through the vertical plate of the mounting plate 21, one end of the transmission shaft 241 is fixedly connected with the outer wall of the cylinder 231, the other end of the transmission shaft is fixedly connected with a connecting plate 242, the tail end of the connecting plate 242 is vertically provided with a positioning pin 243, a plurality of groups of positioning pins 243 are jointly connected with the rotating plate 25, a hole for the positioning pin 243 to pass through is formed in the rotating plate 25, the plurality of groups of rotating parts 24 can be driven to synchronously rotate by rotating the rotating plate 25, the locking part 23 synchronously rotates under the driving of the rotating part 24, and the silicon steel sheet rotates under the driving of the clamping block 235;
the polishing device 30 comprises two pairs of belt seat bearings 31 arranged at two ends of the bottom plate 10 and a rotating roller 32 rotatably arranged between each pair of belt seat bearings 31, wherein a motor 33 is fixedly arranged on the outer wall of one group of belt seat bearings 31, the output end of the motor 33 is fixedly connected with the central shaft of the rotating roller 32, the two groups of motors 33 are in transmission connection through a belt 34, silicon steel sheets are positioned between the upper layer and the lower layer of the belt 34, a polishing layer 341 for polishing the silicon steel sheets is arranged on the inner wall of the belt 34, through holes 342 penetrating through the polishing layer 341 are formed in the belt 34, the through holes 342 are distributed at equal intervals along the length of the belt 34, and the through holes 342 are distributed in a staggered manner along the width of the belt 34; the motor 33 drives the rotating rollers 32 to rotate, the other set of rotating rollers 32 synchronously rotate under the transmission action of the belt 34, so that the outer annular surface of the silicon steel sheet is ground and polished, and meanwhile, the rotating plate 25 is rotated, so that the silicon steel sheet rotates in the opposite direction, and the omnibearing grinding is realized;
a tensioning device 40 is arranged above the polishing device 30, the tensioning device 40 comprises two pairs of square tubes 41 arranged at two ends of the bottom plate 10, telescopic rods 42 are slidably arranged at the tops of the square tubes 41, the telescopic rods 42 are fixedly connected with the bottom ends of the square tubes 41 through springs (not shown in the figure), a roller shaft 43 is rotatably arranged between each pair of telescopic rods 42, a press roller 44 is fixedly sleeved outside the roller shaft 43, two groups of strip-shaped plates 45 extending along the length direction of the bottom plate 10 are erected between the two pairs of telescopic rods 42, two ends of the roller shaft 43 penetrate through the side walls of the strip-shaped plates 45, a transverse plate 46 is fixedly arranged at the bottom between the two groups of strip-shaped plates 45, the bottom of the transverse plate 46 is flush with the bottom of the press roller 44, the telescopic rods 42 can move up and down along the square tubes 41 under the tensile force of the springs, the press roller 44 and the transverse plate 46 are abutted against the outer wall of the belt 34 under the elastic force of the springs, the polishing layer 341 is in close contact with the outer wall of the silicon steel sheet under the pressure of the transverse plate 46, meanwhile, the compression roller 44 has a buffering effect on the belt 34, so that the belt 34 is prevented from rubbing against the edge of the transverse plate 46;
the ash removing device 50 is arranged on one group of mounting plates 21, the ash removing device 50 comprises a fixed vertical plate 51 vertically arranged on the bottom plate of the mounting plate 21 and a cleaning brush 52 penetrating through the top of the fixed vertical plate 51, the cleaning brush 52 spans the belt 34, and the cleaning brush 52 is in contact with the surface of the polishing layer 341 below; the cleaning brush 52 scrapes the metal scraps polished by the polishing layer 341 from the through hole 342, so that the service life of the polishing layer 341 is prolonged;
as shown in fig. 1, the silicon steel sheet forming and finishing process comprises the following steps:
s1 fixing the silicon steel sheet: sleeving silicon steel sheets on a cylinder 221, pushing two groups of mounting plates 21 to move oppositely along a sliding groove 11, enabling a locking part 23 and a fixing part 22 to gradually approach, enabling a circular truncated cone expansion core 233 to gradually feed into the cylinder 221 under the driving of a cylinder 231, enabling a fan-shaped expansion block 223 to move outwards from an arc-shaped hole 222 under the pushing force of the circular truncated cone expansion core 233, so as to support and fix the silicon steel sheets in an internal mode, and enabling a fixture block 235 to be in butt joint with a ventilation groove in the outer wall of the silicon steel sheets;
and S2 silicon steel sheet polishing: the motor 33 is started to drive the rotating rollers 32 to rotate, the other set of rotating rollers 32 synchronously rotate under the transmission action of the belt 34, the grinding layer 341 is tightly contacted with the outer wall of the silicon steel sheet under the pressure action of the transverse plate 46, the rotating plate 25 is rotated to drive the plurality of sets of rotating parts 24 to synchronously rotate, the locking parts 23 are synchronously rotated under the driving of the rotating parts 24, the silicon steel sheet is rotated under the driving of the fixture blocks 235, the rotating direction of the silicon steel sheet is opposite to the rotating direction of the belt 34, the friction force between the silicon steel sheet and the grinding layer 341 is increased, and the omnibearing polishing is realized;
s3 polishing layer deashing: the cleaning brush 52 scrapes the metal debris polished by the polishing layer 341 from the through hole 342, so that the service time of the polishing layer 341 is prolonged;
s4 disassembling silicon steel sheets: and (3) turning off the motor 33, pushing the mounting plate 21 outwards to separate the fixing part 22 from the locking part 23, so that the fan-shaped expansion block 223 is not subjected to the thrust of the circular truncated cone expansion core 233 any more, and does not produce extrusion force on the inner wall of the silicon steel sheet any more, and the polished silicon steel sheet is pulled out from the fixing part 22.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a silicon steel sheet shaping finish machining technology, this silicon steel sheet shaping finish machining technology adopts following burnishing and polishing machinery, and this burnishing and polishing machinery includes bottom plate (10), sets up fixing device (20) at bottom plate (10) top and grinding device (30) that are used for burnishing the silicon steel sheet, its characterized in that: the fixing device (20) comprises two groups of symmetrically arranged mounting plates (21), each mounting plate (21) consists of a bottom plate extending along the length direction of the bottom plate (10) and a plurality of groups of vertical plates arranged at the top of the bottom plate at intervals, sliding blocks (211) are symmetrically arranged at the bottom of each mounting plate (21), sliding grooves (11) are formed in the positions, corresponding to the sliding blocks (211), of the top of the bottom plate (10), and the sliding blocks (211) are in butt joint in the sliding grooves (11) in a sliding mode;
the fixing mechanism comprises a fixing part (22) arranged on one vertical plate of one group of mounting plates (21) and a locking part (23) arranged on the other vertical plate of the group of mounting plates (21), the fixing part (22) comprises a cylinder (221) and a limiting plate (224) arranged at one end of the cylinder (221), the limiting plate (224) is rotatably connected with the vertical plate through a bearing, the outer wall of the cylinder (221) is provided with a plurality of groups of arc-shaped holes (222) which are distributed in a ring shape, fan-shaped expansion blocks (223) are arranged in each group of arc-shaped holes (222) in a sliding mode, one end, close to the limiting plate (224), of each fan-shaped expansion block (223) is provided with a waist-shaped groove extending along the moving direction of the waist-shaped groove, and the tail end of each arc-shaped hole (222) is provided with a guide rod extending into the waist-shaped groove;
the locking part (23) comprises a cylinder (231) rotatably arranged on the mounting plate (21) and a connecting rod (232) fixedly connected to the center of the cylinder (231), the tail end of the connecting rod (232) is provided with a circular truncated cone expansion core (233) extending into the cylinder (221), the outer wall of the cylinder (231) is also provided with a plurality of groups of supports (234) which are distributed in an annular manner, and the tail end of each support (234) is fixedly connected with a clamping block (235) butted in a ventilation groove in the outer wall of the silicon steel sheet;
the fixing device (20) further comprises a rotating part (24), the rotating part (24) comprises a transmission shaft (241) penetrating through the vertical plate of the mounting plate (21), one end of the transmission shaft (241) is fixedly connected with the outer wall of the cylinder (231), the other end of the transmission shaft is fixedly connected with a connecting plate (242), the tail end of the connecting plate (242) is vertically provided with a positioning pin (243), and a plurality of groups of positioning pins (243) are jointly connected with a rotating plate (25);
the polishing device (30) comprises two pairs of belt seat bearings (31) arranged at two ends of the bottom plate (10) and a rotating roller (32) rotatably arranged between each pair of belt seat bearings (31), wherein a motor (33) is fixedly arranged on the outer wall of one group of belt seat bearings (31), the output end of the motor (33) is fixedly connected with the central shaft of the rotating roller (32), the two groups of motors (33) are in transmission connection through a belt (34), silicon steel sheets are in contact with the inner walls of the upper layer and the lower layer of the belt (34), a polishing layer (341) for polishing the silicon steel sheets is arranged on the inner wall of the belt (34), and a through hole (342) penetrating through the polishing layer (341) is formed in the belt (34);
the ash removing device (50) is arranged on one group of the mounting plates (21), the ash removing device (50) comprises a fixed vertical plate (51) vertically arranged on a bottom plate of the mounting plate (21) and a cleaning brush (52) penetrating through the top of the fixed vertical plate (51), and the cleaning brush (52) is in contact with the surface of a polishing layer (341) below;
the silicon steel sheet forming and finishing process comprises the following steps:
s1 fixing the silicon steel sheet: sleeving silicon steel sheets on a cylinder (221), pushing two groups of mounting plates (21) to move in opposite directions along a sliding groove (11), enabling a locking part (23) and a fixing part (22) to gradually approach each other, gradually feeding a circular truncated cone expansion core (233) into the cylinder (221) under the driving of a cylinder (231), enabling a fan-shaped expansion block (223) to move outwards from an arc-shaped hole (222) under the pushing force of the circular truncated cone expansion core (233), so that the silicon steel sheets are supported and fixed in an inner mode, and meanwhile clamping blocks (235) are in butt joint with ventilation grooves in the outer wall of the silicon steel sheets;
and S2 silicon steel sheet polishing: the motor (33) is started to drive the rotating rollers (32) to rotate, the other set of rotating rollers (32) synchronously rotate under the transmission action of the belt (34), the grinding layer (341) is in close contact with the outer wall of the silicon steel sheet, the rotating plate (25) is rotated to drive the plurality of sets of rotating parts (24) to synchronously rotate, the locking parts (23) synchronously rotate under the driving of the rotating parts (24), the silicon steel sheet rotates under the driving of the clamping blocks (235), the rotating direction of the silicon steel sheet is kept opposite to the rotating direction of the belt (34), the friction force between the silicon steel sheet and the grinding layer (341) is increased, and the omnibearing polishing is realized;
s3 polishing layer deashing: the cleaning brush (52) scrapes metal debris ground by the grinding layer (341) from the through hole (342);
s4 disassembling silicon steel sheets: and (3) turning off the motor (33), pushing the mounting plate (21) outwards to separate the fixing part (22) from the locking part (23), so that the sector expansion block (223) is not pushed by the circular truncated cone expansion core (233) any more and generates extrusion force on the inner wall of the silicon steel sheet any more, and the polished silicon steel sheet is pulled out from the fixing part (22).
2. The forming and finishing process for silicon steel sheets as claimed in claim 1, wherein: the diameter that the circular truncated cone bloated core (233) is close to connecting rod (232) one side is greater than the diameter of keeping away from connecting rod (232) one side, and the one end that limiting plate (224) were kept away from to the interior anchor ring of fan-shaped bloated piece (223) is the slope form, and the interior anchor ring of fan-shaped bloated piece (223) contacts with the outer wall of circular truncated cone bloated core (233).
3. The forming and finishing process for silicon steel sheets as claimed in claim 1, wherein: the top of grinding device (30) is provided with overspeed device tensioner (40), and overspeed device tensioner (40) include two pairs of square pipes (41) of setting at bottom plate (10) both ends, and the top of square pipe (41) slides and is provided with telescopic link (42), and telescopic link (42) are through the bottom fixed connection of spring and square pipe (41), and every is provided with roller (43) to rotating between telescopic link (42), and the external fixation cover of roller (43) is equipped with compression roller (44).
4. The silicon steel sheet forming and finishing process as claimed in claim 3, wherein: two sets of strip shaped plate (45) that extend along bottom plate (10) length direction have been erect between telescopic link (42), and the lateral wall of strip shaped plate (45) is run through at the both ends of roller (43), and bottom fixed mounting between two sets of strip shaped plate (45) has diaphragm (46).
5. The silicon steel sheet forming and finishing process according to claim 4, wherein: the bottom of the transverse plate (46) is flush with the bottom of the press roller (44), and the press roller (44) is in contact with the belt (34).
6. The forming and finishing process for silicon steel sheets as claimed in claim 1, wherein: the sliding groove (11) is perpendicular to the bottom plate of the mounting plate (21), two ends of the sliding groove (11) extend to the outer edge of the bottom plate (10), and a rubber layer is bonded on the inner wall of the sliding groove (11).
7. The forming and finishing process for silicon steel sheets as claimed in claim 1, wherein: the through holes (342) are distributed at equal intervals along the length of the belt (34), and the through holes (342) are distributed along the width of the belt (34) in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| US4368567A (en) * | 1980-11-25 | 1983-01-18 | Mcmaster Harold | Glass conveyor roll finishing technique |
| JP2003300145A (en) * | 2002-04-09 | 2003-10-21 | I M T Kk | Grinding device |
| CN101085508A (en) * | 2006-06-09 | 2007-12-12 | 株式会社Snu精密 | Substrate repairing device and method |
| CN202264126U (en) * | 2012-03-06 | 2012-06-06 | 佛山市中研非晶科技股份有限公司 | Iron core grinding device |
| CN204886594U (en) * | 2015-08-18 | 2015-12-16 | 浙江兆丰机电股份有限公司 | Electric automobile abversion subtype in -wheel motor's silicon steel sheet centring means |
| CN208729397U (en) * | 2018-09-20 | 2019-04-12 | 西安井田亚迪铁心制造有限公司 | A kind of silicon steel sheet polishing burr remover |
| CN210818989U (en) * | 2019-11-19 | 2020-06-23 | 常州鋐汇动力科技有限公司 | Grinding tool for outer diameter of iron core |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4368567A (en) * | 1980-11-25 | 1983-01-18 | Mcmaster Harold | Glass conveyor roll finishing technique |
| JP2003300145A (en) * | 2002-04-09 | 2003-10-21 | I M T Kk | Grinding device |
| CN101085508A (en) * | 2006-06-09 | 2007-12-12 | 株式会社Snu精密 | Substrate repairing device and method |
| CN202264126U (en) * | 2012-03-06 | 2012-06-06 | 佛山市中研非晶科技股份有限公司 | Iron core grinding device |
| CN204886594U (en) * | 2015-08-18 | 2015-12-16 | 浙江兆丰机电股份有限公司 | Electric automobile abversion subtype in -wheel motor's silicon steel sheet centring means |
| CN208729397U (en) * | 2018-09-20 | 2019-04-12 | 西安井田亚迪铁心制造有限公司 | A kind of silicon steel sheet polishing burr remover |
| CN210818989U (en) * | 2019-11-19 | 2020-06-23 | 常州鋐汇动力科技有限公司 | Grinding tool for outer diameter of iron core |
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| CN111843757A (en) | 2020-10-30 |
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