CN214476746U - Magnetizing device for magnetizing magnetic signal wheel - Google Patents

Abstract

The application relates to the field of signal wheel magnetizing processing, in particular to a magnetizing device for magnetizing a magnetic signal wheel, which comprises a magnetizing module seat, a supporting component, a magnetizing head mechanism and a tensioning component, wherein the supporting component is arranged on the magnetizing module seat and used for bearing the magnetic signal wheel; the support assembly comprises an axle seat arranged on the magnetizing module seat, a main shaft fixed on the axle seat, a support cylinder sleeved outside the main shaft and a support plate fixed at one end of the support cylinder far away from the axle seat and sleeved outside the main shaft; the tensioning assembly comprises a tensioning piece, a power source and a transmission part, wherein the tensioning piece is sleeved on the main shaft in a sliding mode and deforms through the tensioning piece to tension and position the magnetic signal wheel, the power source is located right below the shaft seat, the transmission part is used for connecting the tensioning piece and the power source, and the tensioning piece is higher than the upper surface of the supporting plate and lower than the upper end surface of the main shaft. The method and the device have the advantages of improving the positioning effect and reducing the magnetizing deviation.

Description

Magnetizing device for magnetizing magnetic signal wheel

Technical Field

The application relates to the field of signal wheel magnetizing processing, in particular to a magnetizing device for magnetizing a magnetic signal wheel.

Background

The signal wheel is an important part of the crankshaft of the automobile, and the signal wheel is matched with a crankshaft sensor, and the crankshaft sensor determines the position of the crankshaft, namely the current position of an engine, by reading the number of teeth so as to strike sparks. With the rapid development of the automobile industry, the common signal wheel is gradually replaced by the magnetic signal wheel due to the complex processing.

The magnetic signal wheel is low in production and manufacturing complexity, and can be put into use only by magnetizing after being processed. Specifically, please refer to chinese patent with publication number CN208672660U, which discloses a magnetizing rubber tachometer signal wheel, comprising a wheel body, a magnetizing rubber ring and a hall sensor, wherein the wheel body has a main body portion and a mounting portion, and the mounting portion is circumferentially arranged around the edge of the main body portion; the magnetizing rubber ring is sleeved on the mounting part and comprises a strong magnetic section and a weak magnetic section, the strong magnetic section and the weak magnetic section are connected to form a magnetic section assembly, and the magnetic section assembly forms the magnetizing rubber ring around the mounting part; the induction head of the Hall sensor is opposite to and close to the magnetizing rubber ring.

As can be known from the related art, currently, a magnetizing apparatus is mainly used for magnetizing a magnetic signal wheel, and referring to fig. 1, the magnetizing apparatus includes a magnetizing table mechanism 2 and a magnetizing head mechanism 3 located directly above the magnetizing table mechanism 2, a central shaft 28 for positioning the magnetic signal wheel 6 is installed on the upper surface of the magnetizing table mechanism 2, and during operation, the magnetizing head mechanism 3 moves downward and magnetizes the magnetic signal wheel 6.

However, the inventor finds that the traditional magnetizing apparatus has a poor positioning effect on the magnetic signal wheel according to years of processing experience, and magnetizing deviation is easily caused.

SUMMERY OF THE UTILITY MODEL

In order to improve the positioning effect, reduce the deviation that magnetizes, this application provides a supply magnetism signal wheel to magnetize device.

The application provides a supply magnetism signal wheel to carry out magnetization's magnetization device adopts following technical scheme:

a magnetizing device for magnetizing a magnetic signal wheel comprises a magnetizing module seat, a supporting component which is arranged on the magnetizing module seat and used for bearing the magnetic signal wheel, a magnetizing head mechanism which is positioned right above the supporting component, and a tensioning component which is used for tensioning and fixing the magnetic signal wheel;

the support assembly comprises an axle seat arranged on the magnetizing module seat, a main shaft fixed on the axle seat, a support cylinder sleeved outside the main shaft and a support plate fixed at one end of the support cylinder far away from the axle seat and sleeved outside the main shaft;

the tensioning assembly comprises a tensioning piece, a power source and a transmission part, wherein the tensioning piece is sleeved on the main shaft in a sliding mode and deforms through the tensioning piece to tension and position the magnetic signal wheel, the power source is located right below the shaft seat, the transmission part is used for connecting the tensioning piece and the power source, and the tensioning piece is higher than the upper surface of the supporting plate and lower than the upper end surface of the main shaft.

Through adopting above-mentioned technical scheme, during the operation, place the magnetism signal wheel on the supporting disk, then open the power supply, make transmission portion drive tensioning piece and remove along the main shaft, the in-process of removal, tensioning piece takes place deformation and carries out the tensioning to the magnetism signal wheel and fix, compares with traditional magnetization machine, and the device that magnetizes in this application has improved the location effect to the magnetism signal wheel greatly, has reduced the deviation of magnetizing.

Preferably, a plurality of abdicating cutting grooves which are circumferentially and equidistantly distributed are processed on the outer wall of the main shaft, the abdicating cutting grooves are formed in the axial direction of the main shaft from one end of the main shaft, which is far away from the shaft seat, a block-shaped body is formed between adjacent abdicating cutting grooves, and a first guide conical surface which is gradually inclined from bottom to top and from outside to inside is processed on the outer side wall of one side of the block-shaped body, which is far away from the axis of the main shaft, and one end of the block-shaped body, which is far away from the shaft seat;

the tensioning piece includes solid counter weight seat and with counter weight seat integrated into one piece's deformation portion, deformation portion is a column section of thick bamboo, a plurality of branch separating grooves that extend and be circumference equidistance and distribute along column section of thick bamboo axial are seted up to a column section of thick bamboo by the one end of keeping away from the counter weight seat, form the tensioning plate between the adjacent branch separating groove, the position that corresponds first direction conical surface on every tensioning plate all processes and cooperatees so that the tensioning plate produces the second direction conical surface that deforms at the slip in-process with first direction conical surface, the counter weight seat is connected with the transmission portion.

Through adopting above-mentioned technical scheme, the power supply can drive the tensioning piece and slide along the main shaft, and the in-process of removal, the tensioning plate receives the influence of first direction conical surface and second direction conical surface to take place deformation, and the tensioning plate outwards opens gradually promptly to press from both sides the inner wall of the centre bore of tight magnetic signal wheel, realize the fixed to the magnetic signal wheel.

Preferably, each of the tensioning plates is provided with an abdicating notch at a position corresponding to the abdicating cutting groove.

Through adopting above-mentioned technical scheme, the resistance that need overcome when mainly used reduces the tensioning plate deformation.

Preferably, round holes communicated with the separation grooves are machined in positions, close to one ends of the counterweight seats, between the adjacent tensioning plates.

Through adopting above-mentioned technical scheme, can avoid the junction stress concentration of tensioning plate and counter weight seat on the one hand, on the other hand can reduce the required resistance of overcoming when tensioning plate deformation.

Preferably, the transmission part comprises a pulling plate positioned right below the shaft seat, a guide rod which is slidably arranged on the shaft seat in a penetrating way and two ends of which are fixedly connected with the counterweight seat and the pulling plate respectively, and a tensioning spring which is sleeved on the guide rod and two ends of which are abutted against the pulling plate and the shaft seat respectively;

the power source is a compact cylinder, and the compact cylinder is arranged at a position of the magnetizing module seat right below the pulling plate.

By adopting the technical scheme, in an initial state, the piston rod of the compact cylinder stretches and retracts and applies upward thrust to the pulling plate, so that the tensioning spring is compressed, and at the moment, the second guiding conical surface is completely attached to the first guiding conical surface; when the magnetic signal wheel is in place, the compact cylinder is started to enable the piston rod to contract and gradually separate from the pull plate, at the moment, the tensioning piece moves downwards along the main shaft under the action of self gravity and the restoring force of the tensioning spring, and in the moving process, the tensioning plate is deformed under the influence of the first guiding conical surface and the second guiding conical surface, namely, the tensioning plate gradually expands outwards.

Preferably, a threaded sleeve which is coaxial with the main shaft is slidably arranged at the center of the pulling plate in a penetrating manner, and one end of the threaded sleeve is fixedly connected with the lower surface of the shaft seat.

Through adopting above-mentioned technical scheme, the in-process that the arm-tie removed, the swivel nut leads the arm-tie to stability when improving the tensioning piece action.

Preferably, one side of the supporting plate, which is far away from the supporting cylinder, is provided with a zero limit pin corresponding to the special-shaped hole and positioning pins which are located on two sides of the zero limit pin and correspond to the detection holes.

By adopting the technical scheme, when the magnetic signal wheel is placed, the central hole of the magnetic signal wheel is aligned with the main shaft, the special-shaped hole is aligned with the zero limit pin, and the detection hole is aligned with the positioning pin and then directly sleeved on the main shaft; the setting of the zero limit pin and the locating pin is mainly used for carrying out auxiliary positioning on the magnetic signal wheel.

Preferably, a photoelectric sensor with the same height as the supporting plate is arranged on the magnetizing module seat positioned on one side of the supporting component.

Through adopting above-mentioned technical scheme, whether mainly used detects to place the magnetism signal wheel on the supporting disk.

Preferably, the magnetic head filling device further comprises a gantry and a driving source which is arranged on the gantry and used for driving the magnetic head filling mechanism to lift.

By adopting the technical scheme, the driving source can drive the magnetizing head to lift so as to perform magnetizing operation.

Preferably, the driving source comprises a guide cylinder which is arranged on a beam of the portal frame and a piston rod of which is vertically arranged downwards, and a hanging plate which is fixedly connected to the piston rod of the guide cylinder and is horizontally arranged; the magnetic head filling mechanism comprises a tooling plate fixedly connected with the hanging plate, a magnetizing cylinder fixed on one side of the tooling plate, which is far away from the hanging plate, and an annular magnetizing head embedded in the magnetizing cylinder.

By adopting the technical scheme, during operation, the magnetic head charging mechanism is driven to move downwards through the guide cylinder until the annular magnetic head is sleeved outside the magnetic signal wheel for charging.

In summary, the present application includes at least one of the following beneficial technical effects:

compared with the traditional magnetizing machine, the magnetizing device greatly improves the positioning effect on the magnetic signal wheel and reduces the magnetizing deviation; the method specifically comprises the following steps: during operation, the magnetic signal wheel is placed on the supporting disc, then the power source is started, the transmission part drives the tensioning piece to move along the main shaft, and in the moving process, the tensioning piece deforms and tensions and fixes the magnetic signal wheel.

Drawings

FIG. 1 is a schematic structural diagram of the background art of the present application;

FIG. 2 is a schematic overall structure diagram of a magnetizing apparatus according to an embodiment of the present application;

FIG. 3 is a schematic structural view showing the entire magnetic charging table mechanism;

FIG. 4 is a schematic diagram showing a specific structure of a side plate of the module seat;

FIG. 5 is a schematic view showing a detailed structure of a second top plate;

FIG. 6 is a cross-sectional view showing the connection between the positioning portion, the first top plate and the module seat side plate;

FIG. 7 is a schematic view showing the overall structure of the positioning part;

FIG. 8 is a schematic view showing the connection between the fixing portion and the side plate of the module holder;

FIG. 9 is a sectional view showing a detailed structure of a magnetizing table mechanism;

FIG. 10 is a schematic view showing a spindle structure;

FIG. 11 is a schematic diagram of a wheel embodying magnetic signals;

FIG. 12 is a schematic structural view showing the positional relationship between the zero-point stopper pin and the positioning pin on the support plate;

figure 13 is a schematic view showing a specific structure of the tension member;

FIG. 14 is a three-dimensional perspective view showing a specific structure of the tension assembly;

fig. 15 is a schematic structural diagram showing a specific structure of the head charging mechanism and a matching relationship between the head charging mechanism and the magnetic charging table mechanism.

Description of reference numerals: 1. a gantry; 2. a magnetizing table mechanism; 21. a magnetizing module base; 211. a module base floor; 212. a module base side plate; 2121. a support surface; 2122. blocking edges; 2123. a stepped through hole; 2124. a U-shaped groove; 2125. a strip-shaped mounting groove; 213. a module base top plate; 214. a second top plate; 2141. cutting a groove directly; 2142. a yielding groove; 215. pressing a plate; 216. a handle; 217. a slide plate; 218. a notch groove; 219. a square plate; 22. a support assembly; 221. a deep groove ball bearing; 222. a shaft seat; 223. a main shaft; 2231. a abdication cutting groove; 2232. a block-shaped body; 2233. a first guiding conical surface; 224. a support cylinder; 2241. a support disc; 225. a cushion cylinder; 226. a zero limit pin; 229. positioning pins; 23. a tension assembly; 231. a tensioning member; 2311. a counterweight seat; 2312. a separation tank; 2313. a tension plate; 2314. a circular hole; 2315. a abdication gap; 2316. a second guiding conical surface; 232. pulling a plate; 233. a guide bar; 234. tensioning the spring; 235. a compact cylinder; 236. a threaded sleeve; 24. a photosensor; 25. a supporting seat; 26. an L-shaped plate; 27. a first proximity sensor; 28. a central shaft; 3. a head charging mechanism; 31. assembling a plate; 311. mounting blocks; 34. a magnetizing cylinder; 37. a height bar; 371. a height head; 4. a drive source; 41. a guide cylinder; 42. a hanger plate; 6. a magnetic signal wheel; 61. a wheel body; 62. a central bore; 63. a detection hole; 64. a profiled hole; 7. a positioning part; 71. a bushing; 711. flanging; 72. a plunger seat; 721. a guide sleeve; 722. a sleeve; 723. a convex edge; 724. a flange plate; 725. a stepped through hole; 726. a limiting chute; 73. a plunger rod assembly; 731. inserting a rod; 732. a connecting rod; 733. a grip portion; 734. a limiting rod; 74. an inductive sensor; 8. a fixed part; 81. a pin shaft; 82. a collar; 83. a threaded rod; 84. and (4) a flange nut.

Detailed Description

The present application is described in further detail below with reference to figures 2-15.

The embodiment of the application discloses a magnetizing device for magnetizing a magnetic signal wheel. Referring to fig. 2, the magnetizing apparatus includes a gantry 1, a magnetizing table mechanism 2 disposed below the gantry 1, a magnetizing head mechanism 3 located right above the magnetizing table mechanism 2, and a driving source 4 mounted on the gantry 1 and connected to the magnetizing head mechanism 3; the portal frame 1 is a portal frame, and the specific structure of the portal frame can be designed according to actual needs; the magnetizing table mechanism 2 is mainly used for placing a magnetic signal wheel 6 to be magnetized and carrying out primary positioning on the magnetic signal wheel 6; the main function of the driving source 4 is to drive the magnetizing head mechanism 3 to move up and down, so as to cooperate with the magnetizing table mechanism 2 to perform magnetizing operation on the magnetic signal wheel 6 placed on the magnetizing table mechanism 2.

Referring to fig. 3, the magnetizing table mechanism 2 includes a magnetizing module base 21, and a supporting component 22 and a tensioning component 23 disposed on the magnetizing module base 21, wherein the supporting component 22 mainly functions to carry and support the magnetic signal wheel 6; the main function of the tensioning assembly 23 is to tension and position the magnetic signal wheel 6.

The magnetizing module base 21 includes a horizontally disposed module base bottom plate 211, two parallel module base side plates 212 fixedly connected to one side of the module base bottom plate 211, and a module base top plate disposed opposite to the module base bottom plate 211, wherein the module base top plate is detachably mounted on the two module base side plates 212.

Referring to fig. 3 and 4, more specifically, the module seat side plates 212 are in a horizontal zigzag structure, one side of the module seat side plates 212 away from the module seat bottom plate 211 is a support surface 2121, one side of the support surface 2121 of each module seat side plate 212, which is close to the outside, is provided with a retaining edge 2122, the length of the retaining edge 2122 is the same as that of the support surface 2121, and the module seat top plate is mounted on the support surface 2121 of each module seat side plate 212 and is located between the retaining edges 2122. The module seat top plate comprises a first top plate 213 fixed on the supporting surface 2121 of the two module seat side plates 212 and a second top plate 214 movably placed on the supporting surface 2121 of the two module seat side plates 212, the first top plate 213 and the second top plate 214 are both rectangular, and the size of the first top plate 213 is smaller than that of the second top plate 214, in this embodiment, the first top plate 213 can be fixed on the supporting surface 2121 by hexagon socket head cap screws.

Pressing plates 215 extending in the longitudinal direction of the supporting surface 2121 are respectively fixed to the upper surface of the first top plate 213 at the two ends, and one end of the pressing plate 215 protrudes out of the first top plate 213 and forms a clamping cavity between the protruding part and the supporting surface 2121.

Referring to fig. 4 and 5, a handle 216 is installed at a position on the upper surface of the second top plate 214 and located at one end, straight cut grooves 2141 are respectively formed at overlapping positions of the lower surface of the second top plate 214 and the two module seat side plates 212, sliding plates 217 having the same length as the second top plate 214 and having flush surfaces are fixedly connected in the straight cut grooves 2141, and both ends of the sliding plates 217 and one end of the supporting surface 2121 away from the first top plate 213 are respectively provided with a slope surface facilitating installation of the second top plate 214.

Referring to fig. 3 and 4, during installation, the second top board 214 is overlapped on the two supporting surfaces 2121 and pushed along the retaining edge 2122, and during the pushing process, the retaining edge 2122 can limit and guide the second top board 214 until one end of the second top board 214 extends into the clamping cavity and abuts against the first top board 213, and at this time, the upper surface of the second top board 214 is flush with the upper surface of the first top board 213.

Referring to fig. 3 and 6, positioning portions 7 are respectively disposed between second top plate 214 and two module seat side plates 212, and positioning portions X, Y, Z are respectively disposed between retaining side 2122, pressing plate 215, and positioning portions 7 to position second top plate 214, thereby ensuring the mounting accuracy of second top plate 214. Positioning portion 7 includes a bushing 71 embedded in module base side plate 212, a plunger base 72 mounted on second top plate 214, and a plunger rod assembly 73 slidably disposed on plunger base 72, wherein plunger rod assembly 73 can extend into bushing 71 and engage bushing 71 to position second top plate 214.

Referring to fig. 4 and 6, the module seat side plate 212 has a stepped through hole 2123 on a support surface 2121 thereof located in the square region; the bushing 71 is a cylindrical tube with a hollow interior and two open ends, a flange 711 overlapping the step surface of the step through hole 2123 is integrally formed at one end of the bushing 71, and the surface of the flange 711 is flush with the surface of the module seat side plate 212.

Referring to fig. 5 and 6, notch grooves 218 are formed in the positions of the second top plate 214 and the sliding plate 217 corresponding to the step through holes 2123, the notch grooves 218 are formed horizontally inward from the second top plate 214 side along the width direction of the second top plate 214, and when the second top plate 214 is in place, the notch grooves 218 communicate with the step through holes 2123. The plunger seat 72 includes a cylindrical guide sleeve 721 and a sleeve 722 screwed on the outer side wall of the guide sleeve 721, the length of the guide sleeve 721 is greater than that of the sleeve 722, a protruding edge 723 for the end of the sleeve 722 to abut against is radially extended on the outer side wall of the guide sleeve 721 near one end, a flange 724 is integrally formed at one end of the sleeve 722 far from the protruding edge 723, the flange 724 is fixed on the upper surface of the second top plate 214 through screws, so that the sleeve 722 is embedded in the notch groove 218, and at this time, one end of the guide sleeve 721 located in the notch groove 218 is higher than the support surface 2121.

A stepped through hole 725 extending along the axis direction of the guide sleeve 721 penetrates through the guide sleeve 721, and a large hole of the stepped through hole 725 is formed close to the convex edge 723; the plunger rod assembly 73 includes an insertion rod 731 slidably disposed in the large hole of the stepped through hole 725, a connecting rod 732 connected to an end of the insertion rod 731 and slidably extending out of the guide sleeve 721 through the small hole of the stepped through hole 725, and a grip portion 733 integrally formed with the connecting rod 732, wherein the grip portion 733 is spherical, a diameter of the grip portion 733 is larger than a diameter of the guide sleeve 721, and when the grip portion 733 is abutted to an end of the guide sleeve 721 away from the ledge 723, a free end of the insertion rod 731 extends out of the guide sleeve 721.

Referring to fig. 6 and 7, a pair of limiting rods 734 extending out of the guide sleeve 721 are vertically and fixedly connected to the rod body of the connecting rod 732 located in the small hole of the stepped through hole 725, the two limiting rods 734 are symmetrically arranged, a limiting sliding groove 726 is processed at a position of the guide sleeve 721 corresponding to the extending position of the limiting rods 734, the limiting sliding groove 726 is axially opened along the guide sleeve 721 from one end far from the protruding edge 723, in a normal condition, that is, when the second top plate 214 is not installed, the limiting rods 734 slide out from the open end of the limiting sliding groove 726 and are dislocated relative to the limiting sliding groove 726 and abut against one end of the guide sleeve 721 far from the protruding edge 723, and at this time, the inserting rod 731 is completely accommodated in the guide sleeve 721.

When the second top board 214 is in place, the holding portion 733 is rotated to align the limiting rod 734 with the limiting slide groove 726 and slide downwards along the limiting slide groove 726, and when the holding portion 733 abuts against an end of the guide sleeve 721 away from the protruding edge 723, the inserting rod 731 extends into the bushing 71 to further position the second top board 214.

Referring to fig. 6, an inductive sensor 74 is installed right below the bushing 71, and is mainly used for detecting whether the inserting bar 731 is aligned with the bushing 71, so as to ensure that the installation of the second top plate 214 is smoothly performed.

Referring to fig. 4 and 8, in order to improve the stability of the second top plate 214 after installation, fixing portions 8 are further provided on the two module seat side plates 212, and the fixing portions 8 are located on one side of the positioning portions 7 and are mainly used for firmly fixing the second top plate 214. The positioning part 7 comprises a pin shaft 81, a sleeve ring 82 sleeved on the pin shaft 81, a threaded rod 83 fixedly connected on the outer wall of the sleeve ring 82 and a flange nut 84 in threaded connection with the threaded rod 83; a U-shaped groove 2124 extending from the supporting surface 2121 to the module seat bottom plate 211 is formed in the module seat side plate 212, two sides of the U-shaped groove 2124 penetrate along the width direction of the module seat side plate 212, the collar 82 is located in the U-shaped groove 2124, two axial sides of the collar 82 are respectively abutted to the inner wall of the U-shaped groove 2124, a strip-shaped mounting groove 2125 is further formed in the module seat side plate 212 from one side close to the handle 216, the strip-shaped mounting groove 2125 and the U-shaped groove 2124 are arranged in a cross shape, the pin shaft 81 is embedded in the strip-shaped mounting groove 2125, so that the threaded rod 83 can freely rotate in the U-shaped groove 2124, a square plate 219 is fixed at the position of the module seat side plate 212 corresponding to the strip-shaped mounting groove 2125, and the pin shaft 81 is prevented from being detached from the strip-shaped mounting groove 2125; the second top plate 214 is provided with a receding groove 2142 at a position corresponding to the U-shaped groove 2124.

In operation, the threaded rod 83 is rotated to an upright position and then threadedly engaged with the threaded rod 83 via the flange nut 84, thereby clamping and securing the second top plate 214 to the support surface 2121 of the module seat side plate 212.

Referring to fig. 9 and 10, the support assembly 22 includes a shaft seat 222 rotatably disposed on the second top plate 214 through a deep groove ball bearing 221, a fixing hole for the shaft seat 222 to penetrate is disposed at a position of the second top plate 214 corresponding to the shaft seat 222, a spindle 223 coaxially and vertically disposed with the shaft seat 222 is fixedly connected to the shaft seat 222, four abdicating cutting grooves 2231 are disposed on an outer wall of the spindle 223 at equal intervals in a circumferential direction, the abdicating cutting grooves 2231 are axially disposed along the spindle 223 from one end of the spindle 223 away from the shaft seat 222, a block 2232 is formed between adjacent abdicating cutting grooves 2231, and a first guiding conical surface 2233 is disposed on an outer side wall of one side of the block 2232 away from the axis of the spindle 223 and away from one end of the shaft seat 222, and gradually inclines from bottom to top and from outside to inside.

The outer part of the main shaft 223 is coaxially sleeved with a supporting cylinder 224 fixedly connected with the shaft seat 222, the outer part of the supporting cylinder 224 is coaxially sleeved with a cushion cylinder 225 fixedly connected with the shaft seat 222, and the top end of the cushion cylinder 225 is lower than that of the supporting cylinder 224. A support plate 2241 sleeved outside the spindle 223 and horizontally disposed is fixedly connected to an end of the support cylinder 224 away from the shaft seat 222, an upper surface of the support plate 2241 is lower than the spindle 223, and the magnetic signal wheel 6 can be placed on the support plate 2241.

Referring to fig. 11, it should be noted that the magnetic signal wheel 6 includes a wheel body 61, the circumferential surface of the wheel body 61 is a magnetizing surface, and the magnetizing surface is filled with a plurality of strong magnetic segments and weak magnetic segments arranged at intervals. The center of the wheel body 61 is provided with a center hole 62 for the main shaft 223 to pass through, the position of the wheel body 61 surrounding the center hole 62 is provided with a plurality of detection holes 63 distributed at equal intervals on the circumference, and a special-shaped hole 64 is arranged between two adjacent detection holes 63.

Referring to fig. 11 and 12, the top surface of the support plate 2241 is provided with a zero-point limiting pin 226 and positioning pins 229 located at two sides of the zero-point limiting pin 226, the zero-point limiting pin 226 corresponds to the special-shaped hole 64, and the two positioning pins 229 correspond to the positions of the detection holes 63 located at two sides of the special-shaped hole 64 on the magnetic signal wheel 6 one by one.

Referring to fig. 9, 11 and 12, when the magnetic signal wheel 6 is placed, the central hole 62 of the magnetic signal wheel is aligned with the main shaft 223, the irregular hole 64 is aligned with the zero-point limiting pin 226, and the detection hole 63 is aligned with the positioning pin 229, and then the magnetic signal wheel is directly sleeved on the main shaft 223.

Referring to fig. 9, a photoelectric sensor 24 is disposed on the second top plate 214 at a position on one side of the supporting member 22, and the photoelectric sensor 24 is mounted on the upper surface of the second top plate 214 through a supporting base 25, and is mainly used for detecting whether the magnetic signal wheel 6 is placed on the supporting plate 2241.

Referring to fig. 9, the tensioning assembly 23 includes a tensioning member 231 slidably fitted on the main shaft 223 and located in the supporting cylinder 224, a power source located right below the shaft seat, and a transmission portion for connecting the tensioning member 231 and the power source; the transmission part comprises a pulling plate 232 positioned right below the shaft seat 222, a guide rod 233 which is slidably arranged on the shaft seat 222 in a penetrating way and two ends of which are fixedly connected with the tensioning piece 231 and the pulling plate 232 respectively, and a tensioning spring 234 which is sleeved on the guide rod 233 and two ends of which are abutted against the pulling plate 232 and the shaft seat 222 respectively; the power source is a compact air cylinder 235, the compact air cylinder 235 is arranged on the module base bottom plate 211 and is positioned right below the pulling plate 232, and when the magnetic signal wheel 6 is in place, the tensioning member 231 penetrates through the central hole 62 of the magnetic signal wheel 6.

Referring to fig. 9 and 13, the tensioning member 231 includes a solid weight seat 2311 and a deformation portion integrally formed with the weight seat 2311, a movable space exists between the weight seat 2311 and the shaft seat 222, and one end of the guide rod 233 is fixed to a side of the weight seat 2311 away from the deformation portion; the deformation portion is a cylindrical tube, and has certain elasticity and rigidity, a plurality of separating grooves 2312 which extend axially along the cylindrical tube and are distributed at equal intervals along the circumference are formed in one end of the cylindrical tube far away from the counterweight seat 2311, tensioning plates 2313 are formed between the adjacent separating grooves 2312, round holes 2314 communicated with the separating grooves 2312 are machined in positions, close to one end of the counterweight seat 2311, between the adjacent tensioning plates 2313, the round holes 2314 can avoid stress concentration at the connecting positions of the tensioning plates 2313 and the counterweight seat 2311, and resistance required to be overcome when the tensioning plates 2313 deform can be reduced.

Referring to fig. 10 and 13, an abdicating notch 2315 is formed in each tensioning plate 2313 at a position corresponding to the abdicating cutting groove 2231 of the spindle 223, and a second guiding tapered surface 2316 for matching with the first guiding tapered surface 2233 is formed in each tensioning plate 2313 at a position corresponding to the first guiding tapered surface 2233 of the spindle 223.

Referring to fig. 9, 10 and 13, in an initial state, the piston rod of the compact cylinder 235 extends and contracts and applies an upward pushing force to the pulling plate 232, so that the tension spring 234 is compressed, and at this time, the second guiding tapered surface 2316 completely abuts against the first guiding tapered surface 2233; when the magnetic signal wheel 6 is in place, the compact cylinder 235 is started to enable the piston rod to contract and gradually separate from the pull plate 232, at this time, the tensioning member 231 moves downwards along the main shaft 223 under the action of self gravity and the restoring force of the tensioning spring 234, and in the moving process, the tensioning plate 2313 deforms under the influence of the first guiding conical surface 2233 and the second guiding conical surface 2316, namely the tensioning plate 2313 gradually expands outwards, so that the inner wall of the central hole 62 of the magnetic signal wheel 6 is clamped, the positioning effect of the magnetic signal wheel 6 is greatly improved, and the magnetizing deviation is reduced.

Referring to fig. 10 and 14, in order to ensure the stability of the tensioning member 231 during operation, a threaded sleeve 236 coaxially disposed with the main shaft 223 is slidably disposed through the center of the pulling plate 232, one end of the threaded sleeve 236 is fixedly connected with the lower surface of the shaft seat 222, and the threaded sleeve 236 guides the pulling plate 232 during movement of the pulling plate 232.

Referring to fig. 15, the driving source 4 includes a guide cylinder 41 installed on a cross beam of the gantry 1, a piston rod of the guide cylinder 41 is disposed vertically downward, a horizontally disposed hanger plate 42 is fixedly connected to a free end of the piston rod of the guide cylinder 41, and the hanger plate 42 is rectangular; the magnetic head charging mechanism 3 comprises a rectangular tooling plate 31 detachably connected with the hanging plate 42, a magnetizing cylinder 34 fixed on one side of the tooling plate 31 departing from the hanging plate 42, and an annular magnetizing head which is embedded in the magnetizing cylinder 34 and connected with a magnetizing assembly (not shown); two mounting blocks 311 are symmetrically and fixedly connected to one side of the tooling plate 31 away from the adapter plate 33, and the hanger plate 42 is connected to the two mounting blocks 311 through bolts.

During operation, the magnetic head charging mechanism 3 is driven by the guide cylinder 41 to move downwards until the annular magnetic head is sleeved outside the magnetic signal wheel 6 for charging magnetism.

The height rod 37 axially extending along the positioning shaft 32 is installed on the lower surface of the tooling plate 31 and close to one corner, an adjustable height head 371 is connected to the height rod 37 through threads, a first proximity sensor 27 fixed to the upper surface of the second top plate 214 through an L-shaped plate 26 is arranged at a position right below the height rod 37, the detection head of the first proximity sensor 27 faces the height head 371, when the magnetic head filling mechanism 3 is in place, the height head 371 is in contact with the first proximity sensor 27, signal communication is achieved, and the annular magnetization head is mainly used for detecting whether to descend to the place or not, so that the magnetizing operation is guaranteed to be smoothly carried out.

The implementation principle of the embodiment of the application is as follows:

the first step is as follows: placing the magnetic signal wheel 6 to be magnetized on the support plate 2241;

the second step is that: detecting whether the magnetic signal wheel 6 to be magnetized is in place or not through the photoelectric sensor 24, if so, starting the guide cylinder 41 to drive the magnetic head charging mechanism 3 to descend;

the third step: in the process of driving the head charging mechanism 3 to descend, detecting whether the head charging mechanism 3 is in position or not through the first proximity sensor 27;

the fourth step: after the magnetic head charging mechanism 3 is in place and the parallelism of the magnetic signal wheel 6 meets the requirement, the compact cylinder 235 is started to enable the tensioning plate 2313 to gradually expand outwards under the action of gravity and the guiding action of the first guiding conical surface 2233 and the second guiding conical surface 2316, and the magnetic signal wheel 6 is clamped and fixed;

the fifth step: the annular magnetizing head performs magnetizing operation on the magnetic signal wheel 6;

and a sixth step: after the magnetization is completed, the compact cylinder 235 and the guide cylinder 41 are sequentially reset, and the magnetic signal wheel 6 is taken away and then is cyclically reciprocated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a supply magnetism signal wheel to carry out magnetization device which characterized in that: the device comprises a magnetizing module seat (21), a supporting component (22) which is arranged on the magnetizing module seat (21) and used for bearing a magnetic signal wheel (6), a magnetizing head mechanism (3) which is positioned right above the supporting component (22), and a tensioning component (23) which is used for tensioning and fixing the magnetic signal wheel (6);

the supporting component (22) comprises a shaft seat (222) arranged on the magnetizing module seat (21), a main shaft (223) fixed on the shaft seat (222), a supporting cylinder (224) sleeved outside the main shaft (223), and a supporting plate (2241) fixed at one end, far away from the shaft seat (222), of the supporting cylinder (224) and sleeved outside the main shaft (223);

tensioning subassembly (23) are established on main shaft (223) and through self deformation in order to carry out tensioning location tensioning piece (231), the power supply that is located axle bed (222) under to magnetic signal wheel (6) including the slip cap to reach the transmission portion that is used for connecting tensioning piece (231) and power supply, tensioning piece (231) are higher than the upper surface of supporting disk (2241), are less than the up end of main shaft (223).

2. A magnetizing apparatus for magnetizing a magnetic signal wheel according to claim 1, wherein: a plurality of abdicating cutting grooves (2231) which are circumferentially and equidistantly distributed are machined in the outer wall of the main shaft (223), the abdicating cutting grooves (2231) are axially formed in the end, away from the shaft seat (222), of the main shaft (223) along the main shaft (223), a block-shaped body (2232) is formed between every two adjacent abdicating cutting grooves (2231), and a first guide conical surface (2233) which gradually inclines from bottom to top and from outside to inside is machined in the outer side wall, away from the axial line side of the main shaft (223) and away from one end of the shaft seat (222), of the block-shaped body (2232);

tensioning piece (231) are including solid counter weight seat (2311) and with counter weight seat (2311) integrated into one piece's deformation portion, the deformation portion is a column section of thick bamboo, a plurality of separating grooves (2312) that extend and be circumference equidistance and distribute along column section of thick bamboo axial are seted up to the column section of thick bamboo by the one end of keeping away from counter weight seat (2311), form tensioning plate (2313) between adjacent separating groove (2312), the position that corresponds first guiding conical surface (2233) on each tensioning plate (2313) all processes and cooperates with first guiding conical surface (2233) so that tensioning plate (2313) produce second guiding conical surface (2316) that deform in the slip process, counter weight seat (2311) are connected with the transmission portion.

3. A magnetizing apparatus for magnetizing a magnetic signal wheel according to claim 2, wherein: and an abdicating notch (2315) is formed in the position, corresponding to the abdicating cutting groove (2231), of each tensioning plate (2313).

4. A magnetizing apparatus for magnetizing a magnetic signal wheel according to claim 2, wherein: round holes (2314) communicated with the separation grooves (2312) are machined in positions, close to one ends of the counterweight seats (2311), between the adjacent tensioning plates (2313).

5. A magnetizing apparatus for magnetizing a magnetic signal wheel according to claim 2, wherein: the transmission part comprises a pulling plate (232) positioned right below the shaft seat (222), a guide rod (233) which is slidably arranged on the shaft seat (222) in a penetrating way and two ends of which are fixedly connected with the counterweight seat (2311) and the pulling plate (232) respectively, and a tensioning spring (234) which is sleeved on the guide rod (233) and two ends of which are respectively abutted against the pulling plate (232) and the shaft seat (222);

the power source is a compact cylinder (235), and the compact cylinder (235) is arranged at a position of the magnetizing module seat (21) right below the pulling plate (232).

6. A device according to claim 5, wherein the magnetizing device is arranged to magnetize the magnetic signal wheel by: a threaded sleeve (236) which is coaxial with the main shaft (223) is slidably arranged at the center of the pulling plate (232) in a penetrating mode, and one end of the threaded sleeve (236) is fixedly connected with the lower surface of the shaft seat (222).

7. A magnetizing apparatus for magnetizing a magnetic signal wheel according to claim 1, wherein: one side of the support plate (2241) far away from the support cylinder (224) is provided with a zero limit pin (226) corresponding to the special-shaped hole (64) and positioning pins (229) which are positioned on two sides of the zero limit pin (226) and correspond to the detection holes (63).

8. A magnetizing apparatus for magnetizing a magnetic signal wheel according to claim 1, wherein: and a photoelectric sensor (24) with the same height as the supporting disc (2241) is arranged on the magnetizing module seat (21) positioned on one side of the supporting component (22).

9. A magnetizing apparatus for magnetizing a magnetic signal wheel according to claim 1, wherein: the magnetic head filling machine further comprises a portal frame (1) and a driving source (4) which is arranged on the portal frame (1) and used for driving the magnetic head filling mechanism (3) to lift.

10. A magnetizing apparatus for magnetizing a magnetic signal wheel according to claim 9, wherein: the driving source (4) comprises a guide cylinder (41) which is arranged on a beam of the portal frame (1) and a piston rod of which is arranged vertically downwards, and a hanging plate (42) which is fixedly connected to the piston rod of the guide cylinder (41) and is arranged horizontally; the magnetic filling head mechanism (3) comprises a tooling plate (31) fixedly connected with the hanging plate (42), a magnetizing cylinder (34) fixed on one side of the tooling plate (31) departing from the hanging plate (42), and an annular magnetizing head embedded in the magnetizing cylinder (34).

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