Rotor magnetic shoe pasting tool and magnetic shoe pasting method

Abstract

The invention relates to a rotor magnetic tile pasting tool and a magnetic tile pasting method, and relates to the field of rotor magnetic tile pasting, and the rotor magnetic tile pasting tool comprises a mounting seat assembly used for allowing a nut shaft to be inserted and mounted and a shaft sleeve assembly matched with the mounting seat assembly to lock the nut shaft; the shaft sleeve assembly comprises a splicing ring arranged between two shaft shoulders of the nut shaft in a sleeving mode and a rotor shaft sleeve arranged on the outer side of the splicing ring in a sleeving mode. The splicing ring comprises a plurality of splicing blocks, and the multiple splicing blocks are spliced in a surrounding mode to form a ring shape; an inner channel is formed between every two adjacent splicing blocks, outer channels are formed in the circumferential direction of the rotor shaft sleeve, and the inner channels and the outer channels are in one-to-one correspondence and are communicated to form magnetic tile pasting channels allowing magnetic tiles to be inserted in so as to perform magnetic tile pasting action. The magnetic shoe pasting device has the effect of improving the magnetic shoe pasting precision of the rotor.

Description

Technical Field

[0001] This invention relates to the field of rotor magnet application, and more particularly to a rotor magnet application fixture and method. Background Technology

[0002] As a key component for the electromagnetic conversion of the rotor, the bonding accuracy of the magnetic tile on the rotor wire mother shaft is crucial. It directly affects the rotor's dynamic balance characteristics, the uniformity of magnetic field distribution, the fit clearance with the stator, the cogging torque, and the back electromotive force, which in turn are related to the equipment's operating noise, energy consumption, and service life.

[0003] Currently, the mainstream method for attaching magnets to rotor lead screw shafts in the industry is still manual operation. Operators typically use simple auxiliary tools to first apply adhesive to the mounting surface of the lead screw shaft, and then manually attach the magnet to the preset position. In this process, for rotor lead screw shafts with positioning ribs in their structural design, the ribs can directly provide circumferential and axial positioning references for the magnet, allowing operators to quickly calibrate the magnet's mounting position based on the ribs, thus reducing the operational difficulty to some extent.

[0004] For rotor screw shafts without positioning strips, operators lack clear positioning benchmarks and can only rely on visual observation and experience to attach the magnetic tiles. This makes it difficult to guarantee the circumferential division accuracy and axial parallelism of the magnetic tiles, which can easily lead to problems such as magnetic tile offset and tilting, thus affecting the accuracy of attaching the magnetic tiles to the rotor. Summary of the Invention

[0005] To improve the accuracy of applying magnetic tiles to rotors, this invention provides a rotor magnetic tile application fixture and method.

[0006] In a first aspect, the present invention provides a rotor magnet bonding fixture, which adopts the following technical solution: A rotor magnetic tile mounting fixture includes a mounting base assembly for inserting and mounting a wire nut shaft, and a bushing assembly that cooperates with the mounting base assembly to lock the wire nut shaft; the bushing assembly includes a splicing ring sleeved between two shoulders of the wire nut shaft and a rotor bushing sleeved outside the splicing ring; The splicing ring includes multiple splicing blocks, which are spliced ​​together in a ring shape; there is an inner channel between two adjacent splicing blocks, and an outer channel is opened in the circumferential direction of the rotor shaft sleeve. The inner channel and the outer channel correspond one-to-one and are connected to form a magnetic bonding channel for inserting magnetic tiles to perform magnetic bonding action.

[0007] By adopting the above technical solution, when applying magnetic tiles to a nut shaft without circumferential positioning ribs, the nut shaft is first initially fixed on the mounting base assembly. Then, a bushing assembly is fitted onto the outside of the nut shaft, further securing it. Furthermore, the bushing assembly has a pre-drilled magnetic application channel in the circumferential direction, which communicates with the surface of the nut shaft. This channel allows for direct and accurate application of the magnetic tile onto the nut shaft. Because the magnetic application channel is designed and manufactured with precision, this magnetic tile application fixture ensures accurate application regardless of whether the application is manual or automated. Moreover, this fixture is reusable.

[0008] Optionally, the mounting bracket assembly includes a locking ring that abuts against the end of the nut shaft, a rotor limiting sleeve that is sleeved on the outside of the nut shaft and used for self-aligning the nut shaft, and a bushing that is sleeved on the outside of the nut shaft and limits the shoulder of the nut shaft. The rotor limiting sleeve is inserted into the locking ring, and the bushing is coaxially inserted into the rotor limiting sleeve.

[0009] Optionally, the splicing block has spacers to form a gap wall thickness between two adjacent inner channels.

[0010] By adopting the above technical solution, when designing and producing the magnetic tile attaching fixture, the spacers of the splicing blocks are precisely machined, so that when the splicing blocks are applied to the magnetic tile attaching fixture and during the process of attaching magnetic tiles to the rotor, the spacing and tolerance between adjacent magnetic tiles can be guaranteed, thereby improving the quality and precision of the product.

[0011] Optionally, the bushing has an annular slot and the bushing includes two interlocking semicircular bushings, the interlocking ring being inserted into the annular slot to limit the mutual positioning of the two; The outer wall of the splicing block has a first positioning rib along the length direction, the rotor limiting sleeve has a second positioning rib in the circumferential direction, and the inner wall of the rotor bushing is provided with a positioning groove in the circumferential direction for the first positioning rib and the second positioning rib to slide and engage simultaneously to position the splicing ring. The locking ring has a locking ring groove. The end of the rotor bushing and the end of the rotor limiting sleeve are inserted into the locking ring groove synchronously after they are engaged. The locking ring has a locking part in the locking ring groove, and the outer wall of the shaft end of the rotor bushing has an outer ring protrusion that abuts against the locking part.

[0012] Optionally, the bushing is provided with a spring plunger circumferentially inside the annular slot. The spring plunger corresponds one-to-one with the splicing block, and the plunger end of the spring plunger abuts against the splicing block. The spring plunger drives the splicing block to always have the tendency to press against one of the shoulders of the nut shaft, so as to form a fixed length gap between the shoulder and the magnetic tile.

[0013] Optionally, a clamping screw is provided circumferentially through the locking ring. The clamping screw abuts against the rotor limiting sleeve and drives the rotor limiting sleeve to adjust its axial displacement, thereby adjusting the preload of the spring plunger.

[0014] By adopting the above technical solution, since the position of the splicing block on the wire rod cannot be directly adjusted during installation, after the rotor tooling assembly is completed, the splicing block is displaced and adjusted by spring plunger and clamping screw, thereby ensuring the position of the splicing block on the outside of the wire rod and ensuring that the magnetic bonding channel can correspond to the preset magnetic bonding position on the wire rod, thus improving the magnetic bonding accuracy.

[0015] Optionally, it also includes a magnetic tile pressing block that is inserted into the magnetic channel and a fixing sleeve sleeved on the outside of the magnetic tile pressing block; when the magnetic tile is attached into the magnetic channel, the fixing sleeve drives the magnetic tile pressing block to press the magnetic tile tightly against the wire nut shaft.

[0016] Secondly, the present invention provides a rotor magnet bonding fixture, which adopts the following technical solution: A method for attaching magnetic tiles to a rotor, applied to the aforementioned rotor magnetic tile attaching fixture, includes: Step 1: Assemble the nut and the tooling, fix the nut assembled into the tooling on the preset rotating component, and control the rotating component to move to the preset glue application station by a preset translation distance. Step 2: The rotating assembly controls the rotation of the nut shaft and identifies the detection points, which are located at the ends of the magnetic channel and correspond one-to-one; Step 3: When the detection point is detected, stop rotating and control the preset glue application mechanism to descend and insert the glue application head of the glue application mechanism into the magnetic bonding channel; Step 4: Control the rotating component to move horizontally back and forth once at the preset glue application distance, and control the glue application mechanism to apply glue during the movement. Step 5: After completing the gluing of one magnetic channel, control the gluing mechanism to reset and jump to step 2 to apply gluing to the adjacent magnetic channels until all magnetic channels are glued. Step 6: Control the tile-applying mechanism to insert the prepared tiles into each tile-applying channel in sequence; Step 7: Insert the magnetic tile pressing block into each magnetic channel, and put the fixing sleeve on the outside of the magnetic tile pressing block to press the magnetic tile tightly onto the wire nut shaft; Step 8: Place the wire nut shaft with the magnetic tiles attached into the baking oven for curing.

[0017] Optionally, the bushing assembly further includes a rotary positioning sleeve disposed at the end of the nut shaft and used to lock the rotor bushing; the method for assembling the nut shaft and the tooling includes: Step 10: Place the nut on the locking ring, put the rotor limiting sleeve on the nut for self-alignment, and put the two semi-circular bushings on the nut and cooperate with the rotor limiting sleeve to fix the nut. Step 11: Insert the splicing blocks into the bushing in sequence to form a splicing ring surrounding the nut shaft; Step 12: Assemble the rotor bushing and the rotary positioning sleeve and simultaneously put them on the outside of the splicing ring. At the same time, ensure that the first positioning rib and the second positioning rib slide into the positioning groove to limit the circumferential movement of the splicing ring. Finally, install the rotary positioning sleeve on the rotor bushing. Step 13: Adjust the clamping screws to drive the splicing ring to make axial displacement on the nut shaft to adjust the distance between the magnetic tile surface and the shaft shoulder surface.

[0018] In summary, this application includes at least one of the following beneficial technical effects: When applying magnetic tiles to a threaded nut shaft without circumferential positioning ribs, the threaded nut shaft is first initially fixed on the mounting base assembly. Then, a bushing assembly is fitted onto the outside of the threaded nut shaft, further securing it. The bushing assembly has a pre-drilled magnetic application channel in the circumferential direction, which communicates with the surface of the threaded nut shaft. This channel allows for direct and accurate application of the magnetic tile onto the threaded nut shaft. Because the magnetic application channel is designed and manufactured with precision in mind, this magnetic tile application fixture ensures accurate application whether the application is manual or automated. Furthermore, this fixture is reusable. When designing and manufacturing the magnetic tile application fixture, the spacers of the splicing blocks are precision machined so that when the splicing blocks are used on the magnetic tile application fixture and during the rotor magnetic tile application process, the spacing and tolerance between adjacent magnetic tiles can be guaranteed, thereby improving the quality and precision of the product. Since the position of the splicing block on the wire rod cannot be directly adjusted during installation, after the rotor tooling assembly is completed, the splicing block is displaced and adjusted by spring plungers and clamping screws to ensure that the splicing block is positioned outside the wire rod and that the magnetic channel corresponds to the preset magnetic position on the wire rod, thereby improving the magnetic application accuracy. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the rotor's lead screw shaft according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the overall structure of the rotor magnet bonding fixture according to an embodiment of the present invention; Figure 3 This is an exploded view of the rotor magnetic tile attaching fixture according to an embodiment of the present invention; Figure 4 This is a cross-sectional view of the rotor magnet tile attaching fixture according to an embodiment of the present invention; Figure 5This is a schematic diagram of the rotor limiting sleeve according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the bushing structure according to an embodiment of the present invention; Figure 7 This is a schematic diagram of the splicing ring structure according to an embodiment of the present invention; Figure 8 This is a cross-sectional view of the rotor bushing according to an embodiment of the present invention.

[0020] The parts referred to by the numbers in the above attached figures are as follows: 1. Nut shaft; 2. Shoulder; 3. Mounting base assembly; 31. Locking ring; 311. Locking ring groove; 313. Locking part; 314. Clamping screw; 32. Rotor limiting sleeve; 321. Second positioning rib; 33. Bushing; 331. Annular slot; 332. Spring plunger; 333. Semi-circular bushing; 4. Shaft sleeve assembly; 41. Splicing ring; 411. Splicing block; 412. First positioning rib; 413. Inner channel; 414. Spacer; 42. Rotor shaft sleeve; 421. Positioning slide groove; 422. Outer channel; 423. Outer ring protrusion; 424. Pressing protrusion; 43. Rotary positioning sleeve; 431. Positioning groove; 5. Magnet tile pressing block; 6. Fixing sleeve; 7. Magnetizing channel; 8. Sliding cavity. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0022] This application discloses a rotor magnet bonding fixture.

[0023] Reference Figure 1 The rotor magnetic tile mounting fixture is used to mount the rotor's lead screw nut 1, thereby attaching magnetic tiles to the lead screw nut 1. In this embodiment, the rotor includes a lead screw nut 1, which is cylindrical. Both ends of the lead screw nut 1 are integrally provided with shoulders 2.

[0024] Reference Figure 1 and Figure 2 The rotor magnetic tile application fixture includes a mounting base assembly 3, a bushing assembly 4, a magnetic tile pressing block 5, and a fixing sleeve 6. The mounting base assembly 3 is used to mount one end of the nut shaft 1, and the bushing assembly 4 encloses the nut shaft 1 and secures it to the mounting base assembly 3. The magnetic tile pressing block 5 and the fixing sleeve 6 are used after the rotor completes the magnetic tile application process to prevent the adhesive from expanding and causing the outer diameter dimensions to deviate from tolerance during magnetic tile heating.

[0025] Reference Figure 3 and Figure 4 In this embodiment, the mounting base assembly 3 includes a locking ring 31, a rotor limiting sleeve 32, and a bushing 33.

[0026] The locking ring 31 is annular, and one end of the locking ring 31 is recessed inward to have an annular locking ring groove 311. The inner ring side of the locking ring groove 311 is the contact surface of one end face of the wire feeding nut 1. The outer ring side of the locking ring groove 311 has a locking part 313, which is an annular protrusion protruding in the axial direction or a spaced protrusion.

[0027] The locking ring 31 has through holes spaced apart circumferentially inside the locking ring groove 311. The through holes pass through both ends of the locking ring 31, and clamping screws 314 are installed in the threads inside the through holes.

[0028] Reference Figure 3 , Figure 4 and Figure 5 The rotor limiting sleeve 32 is annular and is fitted on the outside of the screw nut 1. The inner diameter of the rotor limiting sleeve 32 is consistent with the outer diameter of the shoulder 2 of the screw nut 1. The outer wall of the rotor limiting sleeve 32 is provided with second positioning ribs 321 at intervals around the circumference.

[0029] The rotor limiting sleeve 32 is inserted into the locking ring groove 311, and when the two are in contact, the end face of the rotor limiting sleeve 32 abuts against the clamping screw 314.

[0030] Reference Figure 3 , Figure 4 and Figure 6 The bushing 33 is sleeved on the outside of the screw nut 1 and is inserted into the top of the rotor limiting sleeve 32. The top of the rotor limiting sleeve 32 has an annular groove for the bushing 33 to be inserted. The inner diameter of the bushing 33 is the same as the shaft diameter of the screw nut 1 and smaller than the outer diameter of the shoulder 2. When the bushing 33 is engaged with the rotor limiting sleeve 32, it can limit the shoulder 2, so that one end of the screw nut 1 is limited in the mounting base assembly 3.

[0031] The bushing 33 has a circumferentially formed annular slot 331 at the end furthest from the rotor limiting sleeve 32. The annular slot 331 has circumferentially spaced through holes, and spring plungers 332 are threaded into these through holes. The plunger end of the spring plunger 332 is always inserted into the annular slot 331 under the action of a spring. The insertion distance of the spring plunger 332 can be adjusted by turning it.

[0032] The bushing 33 includes multiple semi-circular bushings 333, which are spliced ​​together to form a complete annular bushing 33. The angle of each semi-circular bushing 333 is less than or equal to 180°. In this embodiment, there are two semi-circular bushings 333. This structure is used to accommodate the shaft diameter of the lead screw nut 1. When installing the bushing 33, the two semi-circular bushings 333 are spliced ​​together from both sides of the lead screw nut 1. After merging, they are simultaneously inserted into the annular groove of the rotor limiting sleeve 32 to limit the movement of the two semi-circular bushings 333.

[0033] Reference Figure 3 In this embodiment, the bushing assembly 4 includes a splicing ring 41, a rotor bushing 42, and a rotation positioning sleeve 43.

[0034] Reference Figure 3 , Figure 4 and Figure 7 The splicing ring 41 is annular and is fitted around the outside of the nut shaft 1, allowing it to engage with the annular slot 331 of the bushing 33. In this embodiment, the splicing ring 41 is formed by splicing multiple splicing blocks 411 end to end. The number of splicing blocks 411 is determined by the number of magnetic tiles to be bonded on the nut shaft 1, and both remain consistent. The length of the splicing block 411 is less than the distance between the two shoulders 2 on the nut shaft 1, and one end of the splicing block 411 is adapted to the shape of the shoulder 2 on the nut shaft 1 away from the mounting base assembly 3.

[0035] The outer wall of the splicing block 411 has a first positioning rib 412 along its length.

[0036] When installing the splicing block 411, each splicing block 411 is inserted into the annular slot 331 of the bushing 33 in sequence to form an annular splicing ring 41 and surround the wire nut 1. When the splicing blocks 411 are spliced, an inner channel 413 is formed between adjacent splicing blocks 411, and the inner channel 413 extends to the surface of the wire nut 1.

[0037] Reference Figure 3 , Figure 4 and Figure 8 The rotor bushing 42 is a circular sleeve structure, which is fitted on the outside of the splicing ring 41. The inner wall of the rotor bushing 42 is provided with a positioning groove 421 along the length direction, and an outer channel 422 is provided between adjacent positioning grooves 421 along the length direction. The outer channel 422 penetrates the inner and outer surfaces of the rotor bushing 42.

[0038] The rotor bushing 42 has an outer ring protrusion 423 on the outer wall near the mounting base assembly 3, and a pressing protrusion 424 on the inner wall of the other end of the rotor bushing 42. In this embodiment, both the outer ring protrusion 423 and the pressing protrusion 424 can be annular or spaced apart.

[0039] Reference Figures 4 to 8 When installing the rotor bushing 42, the rotor bushing 42 is inserted from the end of the nut 1 away from the mounting base assembly 3. At this time, the first positioning rib 412 of the splicing block 411 is aligned with the second positioning rib 321 of the rotor limiting sleeve 32, so that the first positioning rib 412 and the second positioning rib 321 can slide along the positioning groove 421 during the insertion process of the rotor bushing 42.

[0040] After the rotor bushing 42 completes the insertion action, one end of the rotor bushing 42 with the outer ring protrusion 423 is inserted into the locking ring groove 311 of the locking ring 31. At this time, the rotor bushing 42 and the rotor limiting sleeve 32 are inserted into the locking ring groove 311 at the same time, and the outer ring protrusion 423 of the rotor bushing 42 is engaged with the locking part 313 of the locking ring 31.

[0041] When the rotor bushing 42 is installed, the splicing ring 41 is restricted from rotation. At this time, the inner channel 413 and the outer channel 422 correspond one-to-one and are connected to form the magnetizing channel 7. When applying magnets to the rotor, the magnets are attached to the surface of the nut shaft 1 through the magnetizing channel 7. In this embodiment, the distance between adjacent magnets is determined by the splicing block 411. The splicing block 411 has a spacer 414, and both sides of the spacer 414 are half of the inner channel 413. Therefore, the thickness of the spacer 414 is the gap wall thickness between two adjacent magnetizing channels 7. The tolerance of the gap wall thickness is -0.03mm to +0.03mm to ensure the quality of the rotor after applying the magnets.

[0042] When the rotor bushing 42 is installed, the clamping protrusion 424 of the rotor bushing 42 abuts against the shoulder 2 of the nut shaft 1 away from the mounting base assembly 3, thereby further fixing the nut shaft 1.

[0043] Reference Figure 4 In this embodiment, a sliding cavity 8 is formed between the rotor bushing 42, the shoulder 2, the nut shaft 1, and the bushing 33. The splicing ring 41 can be displaced and adjusted within the sliding cavity 8 along the length direction of the nut shaft 1. When the splicing ring 41 is inserted into the annular slot 331 of the bushing 33, the end of the splicing ring 41 abuts against the spring plunger 332. The spring plunger 332 applies a thrust to the splicing ring 41, causing the splicing ring 41 to always tend to press against one of the shoulders 2 of the nut shaft 1. By adjusting the clamping screw 314 on the locking ring 31, the rotor limiting sleeve 32 and the bushing 33 are displaced as a whole, thereby causing the splicing ring 41 to displace, so as to ensure that the gap between the shoulder 2 and the magnetic tile meets the length requirement after the rotor is fitted with the magnetic tile.

[0044] The rotating positioning sleeve 43 is sleeved on the outside of the nut shaft 1, and the end face of the rotating positioning sleeve 43 has bolts in the circumferential direction, which are fixedly connected to the rotor shaft sleeve 42 by the bolts. The end face of the rotating positioning sleeve 43 has a positioning groove 431, which is used for directional positioning when the rotor is attached with magnetic tiles.

[0045] Reference Figure 3 and Figure 4 The number of magnetic tile pressing blocks 5 corresponds one-to-one with the number of magnetic bonding channels 7, and their shapes are compatible. The fixing sleeve 6 is fitted on the outside of the magnetic tile pressing block 5, which is used to press the magnetic tile pressing block 5 into the magnetic bonding channel 7 and press it tightly against the nut shaft 1.

[0046] After assembling the nut 1, mounting base assembly 3, and bushing assembly 4, the magnetic tile application is performed first. After the magnetic tile application is completed, the magnetic tile pressing block 5 is inserted into the magnetic application channel 7 and pressed tightly by the fixing sleeve 6.

[0047] Based on the same inventive concept, this application provides a method for attaching magnetic tiles to a rotor.

[0048] A method for attaching magnetic tiles to a rotor includes the following steps: Step 1: Assemble the product, fix the assembled nut 1 into the tooling onto the preset rotating component, and control the rotating component to move to the preset gluing station by a preset translation distance.

[0049] The rotating assembly is a mechanism installed on the equipment used for the process of applying magnetic tiles to the rotor. It is used to clamp the nut shaft 1 after the tooling assembly is completed and can be driven to rotate by a motor, so that the equipment can apply magnetic tiles to the nut shaft 1 in the circumference.

[0050] The equipment has a clamping station and an adhesive application station. The clamping station is used to mount the tooled rotor onto the rotating assembly, and the adhesive application station is used to apply adhesive to the rotor. The distance between the clamping station and the adhesive application station is the translation distance.

[0051] Step 2: The rotating assembly controls the rotation of the wire spindle 1 and identifies the detection points. The detection points are located at the end of the magnetic channel 7 and correspond one-to-one.

[0052] The tile-applying fixture has detection points around its circumference, each corresponding to a tile-applying channel 7. When the rotor moves to the adhesive application station, the sensors on the equipment detect the detection points to determine the current position of the tile-applying channel 7, thus enabling one of the tile-applying channels 7 to be rotated upwards.

[0053] Step 3: When the detection point is detected, stop rotating and control the preset glue application mechanism to descend and insert the glue application head into the magnetic channel 7.

[0054] The glue application mechanism is a mechanism installed in the equipment for applying glue to the rotor circumferentially. The glue application mechanism has a glue application head for spraying glue.

[0055] When the detection point is detected, it indicates that the magnetic channel 7 is facing upwards. At this time, the rotating component stops rotating, and then the glue application mechanism descends and inserts the glue spray head into the magnetic channel 7.

[0056] Step 4: Control the rotating component to move horizontally back and forth once at the preset glue application distance, and control the glue application mechanism to apply glue during the movement.

[0057] Since the magnetic bonding channel 7 is a long strip, in order to apply adhesive to the entire area, it is necessary to control the movement of the adhesive applicator within the magnetic bonding channel 7 to spray adhesive. The application distance is the length of the magnetic bonding channel 7. In this embodiment, the adhesive applicator is fixed, while the rotating component is sliding. Therefore, the rotating component drives the rotor to reciprocate back and forth once, thereby filling the magnetic bonding channel 7 with adhesive.

[0058] Step 5: After completing the adhesive application for one magnetic channel 7, control the adhesive application mechanism to reset and jump to step 2 to apply adhesive to the adjacent magnetic channels 7 until all magnetic channels 7 are coated.

[0059] After one magnetic channel 7 is coated with adhesive, the adhesive coating mechanism rises and resets, allowing the rotating component to rotate the rotor and move the rotor to the next magnetic channel 7 facing upwards. Then, steps 2 to 5 are repeated until all magnetic channels 7 are coated with adhesive.

[0060] Step 6: Control the tile-applying mechanism to insert the prepared tiles into each tile-applying channel 7 in sequence.

[0061] The magnetic tile application mechanism is a mechanism on the equipment used to apply magnetic tiles around the rotor. The magnetic tiles are pre-loaded into the magnetic tile application mechanism by the feeding mechanism so that the magnetic tile application mechanism can perform the magnetic tile application operation at any time.

[0062] In this embodiment, after all the magnetic bonding channels 7 have been coated with adhesive, the magnetic tiles are then inserted into each magnetic bonding channel 7 sequentially by the magnetic tile bonding mechanism. This method is applicable to multiple magnetic tile bonding mechanisms performing the magnetic tile bonding action simultaneously.

[0063] In other embodiments, after applying adhesive to one magnetizing channel 7, and while applying adhesive to the next magnetizing channel 7, the magnetizing tile mechanism simultaneously applies the magnetizing tile to the previously glued magnetizing channel 7. That is, the adhesive application and magnetizing tile application are performed synchronously. This method is suitable for situations where a single magnetizing tile mechanism applies the magnetizing tiles.

[0064] Step 7: Insert the magnetic tile pressing block 5 into each magnetic channel 7, and put the fixing sleeve 6 on the outside of the magnetic tile pressing block 5 to press the magnetic tile tightly onto the wire nut shaft 1.

[0065] After all the magnetizing channels 7 have been magnetized, the rotor needs to be removed from the mounting base assembly 3, and magnetic tile pressing blocks 5 need to be inserted into all the magnetizing channels 7. Finally, a fixing sleeve 6 is put on the outside of the magnetic tile pressing block 5, and the magnetic tile pressing block 5 is pressed tightly onto the wire nut shaft 1 by the hydraulic device set on the worktable.

[0066] Step 8: Place the wire nut 1 with the magnetic tiles attached into the baking oven for curing.

[0067] First, adjust the baking parameters of the baking oven, including the fixed temperature and curing time. The fixed temperature is 120℃ and the curing time is 60 minutes. Finally, place the wire nut 1 with the magnetic tile attached into the baking oven for curing.

[0068] The product assembly method in step 1 includes the following steps: Step 10: Place the nut 1 on the locking ring 31, put the rotor limiting sleeve 32 on the nut 1 for self-alignment, and put the two semi-circular bushings 333 on the nut 1 and cooperate with the rotor limiting sleeve 32 to fix the nut 1.

[0069] Step 11: Insert the splicing block 411 into the bushing 33 in sequence to form a splicing ring 41 surrounding the nut shaft 1.

[0070] Step 12: Place the rotor bushing 42 on the outside of the splicing ring 41 and ensure that the first positioning rib 412 and the second positioning rib 321 slide into the positioning groove 421 to limit the splicing ring 41 circumferentially. Finally, install the rotating positioning sleeve 43 on the rotor bushing 42.

[0071] Step 13: Adjust the clamping screw 314 to drive the splicing ring 41 to make axial displacement on the nut shaft 1 to adjust the distance between the magnetic tile surface and the shoulder 2 surface.

[0072] The distance between the magnetic tile surface and the shoulder 2 in this tooling structure is the distance between one end of the magnetic channel 7 and the shoulder 2. Therefore, this parameter can be adjusted by adjusting the position of the splicing ring 41 on the nut shaft 1. The standard parameter distance is 12±0.10 mm.

[0073] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A rotor magnetic tile attaching fixture, characterized in that, It includes a mounting base assembly (3) for inserting and installing a wire nut (1) and a bushing assembly (4) that cooperates with the mounting base assembly (3) to lock the wire nut (1); the bushing assembly (4) includes a splicing ring (41) sleeved between two shoulders (2) of the wire nut (1) and a rotor bushing (42) sleeved outside the splicing ring (41). The splicing ring (41) includes multiple splicing blocks (411), which are spliced ​​together in a ring shape; there is an inner channel (413) between two adjacent splicing blocks (411), and an outer channel (422) is provided in the circumferential direction of the rotor bushing (42). The inner channel (413) and the outer channel (422) correspond one to one and are connected to form a magnetic bonding channel (7) for inserting magnetic tiles to perform magnetic bonding action.

2. The rotor magnet bonding fixture according to claim 1, characterized in that, The mounting bracket assembly (3) includes a locking ring (31) that abuts against the end of the nut shaft (1), a rotor limiting sleeve (32) that is sleeved on the outside of the nut shaft (1) and used for self-aligning the nut shaft (1), and a bushing (33) that is sleeved on the outside of the nut shaft (1) and limits the shoulder (2) of the nut shaft (1). The rotor limiting sleeve (32) is inserted into the locking ring (31), and the bushing (33) is coaxially inserted into the rotor limiting sleeve (32).

3. The rotor magnet-attaching fixture according to claim 2, characterized in that, The splicing block (411) has spacers (414) to form a gap wall thickness between two adjacent inner channels (413).

4. The rotor magnet-attaching fixture according to claim 2, characterized in that, The bushing (33) has an annular slot (331) and the bushing (33) includes two semi-circular bushings (333) that are spliced ​​together. The splicing ring (41) is inserted into the annular slot (331) to limit the two from each other. The outer wall of the splicing block (411) has a first positioning rib (412) along the length direction, the rotor limiting sleeve (32) has a second positioning rib (321) in the circumferential direction, and the inner wall of the rotor bushing (42) is provided with a positioning groove (421) for the first positioning rib (412) and the second positioning rib (321) to slide and engage simultaneously to position the splicing ring (41). The locking ring (31) has a locking ring groove (311). The end of the rotor bushing (42) and the end of the rotor limiting sleeve (32) are inserted into the locking ring groove (311) simultaneously after they are engaged. The locking ring (31) has a locking part (313) in the locking ring groove (311). The outer wall of the shaft end of the rotor bushing (42) has an outer ring protrusion (423) that abuts against the locking part (313).

5. The rotor magnet-attaching fixture according to claim 4, characterized in that, The bushing (33) is provided with a spring plunger (332) in the inner circumferential direction of the annular slot (331). The spring plunger (332) corresponds one-to-one with the splicing block (411), and the plunger end of the spring plunger (332) abuts against the splicing block (411). The spring plunger (332) drives the splicing block (411) to always have the tendency to press against one of the shoulders (2) of the nut shaft (1) to form a fixed length gap between the shoulder (2) and the magnetic tile.

6. The rotor magnet bonding fixture according to claim 5, characterized in that, The locking ring (31) is circumferentially provided with a clamping screw (314), which abuts against the rotor limiting sleeve (32) and drives the rotor limiting sleeve (32) to adjust the axial displacement, so as to adjust the preload of the spring plunger (332).

7. The rotor magnet-attaching fixture according to claim 6, characterized in that, It also includes a magnetic tile pressing block (5) that is inserted into the magnetic channel (7) and a fixing sleeve (6) sleeved on the outside of the magnetic tile pressing block (5); when the magnetic tile is inserted into the magnetic channel (7), the fixing sleeve (6) drives the magnetic tile pressing block (5) to press the magnetic tile tightly against the wire nut shaft (1).

8. A method for attaching magnetic tiles to a rotor, applied to a rotor magnetic tile attaching fixture as described in claim 7, characterized in that, include: Step 1: Assemble the nut (1) and the tooling. Fix the nut (1) assembled into the tooling on the preset rotating component and control the rotating component to move to the preset glue application station by a preset translation distance. Step 2: The rotating assembly controls the rotation of the wire nut shaft (1) and identifies the detection points. The detection points are located at the end of the magnetic channel (7) and correspond one-to-one. Step 3: When the detection point is detected, stop the rotation and control the preset glue application mechanism to descend and insert the glue application head of the glue application mechanism into the magnetic bonding channel (7). Step 4: Control the rotating component to move horizontally back and forth once at the preset glue application distance, and control the glue application mechanism to apply glue during the movement. Step 5: After completing the gluing of one magnetic channel (7), control the gluing mechanism to reset and jump to step 2 to perform gluing of adjacent magnetic channels (7) until all magnetic channels (7) are glued. Step 6: Control the tile-applying mechanism to insert the prepared tiles into each tile-applying channel in sequence (7). Step 7: Insert a magnetic tile pressing block (5) into each magnetic channel (7), and put a fixing sleeve (6) on the outside of the magnetic tile pressing block (5) to press the magnetic tile tightly against the wire nut shaft (1); Step 8: Place the wire nut shaft (1) with the magnetic tiles attached into the baking oven for curing.

9. A method for attaching magnetic tiles to a rotor according to claim 8, characterized in that, The bushing assembly (4) further includes a rotary positioning sleeve (43) disposed at the end of the nut shaft (1) and used to lock the rotor bushing (42). The method for assembling the nut shaft (1) with the tooling includes: Step 10: Place the nut shaft (1) on the locking ring (31), put the rotor limiting sleeve (32) on the nut shaft (1) for self-alignment, and put the two semi-circular bushings (333) on the nut shaft (1) and cooperate with the rotor limiting sleeve (32) to fix the nut shaft (1); Step 11: Insert the splicing block (411) into the bushing (33) in sequence to form a splicing ring (41) surrounding the nut shaft (1). Step 12: Assemble the rotor bushing (42) and the rotating positioning sleeve (43) and simultaneously put them on the outside of the splicing ring (41), while ensuring that the first positioning rib (412) and the second positioning rib (321) slide into the positioning groove (421) to limit the splicing ring (41) circumferentially; Step 13: Adjust the clamping screw (314) to drive the splicing ring (41) to make axial displacement on the nut shaft (1) to adjust the distance between the magnetic tile surface and the shaft shoulder surface.

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