CN219054002U - Motor magnetic head grinding jig - Google Patents
Motor magnetic head grinding jig Download PDFInfo
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- CN219054002U CN219054002U CN202223252621.8U CN202223252621U CN219054002U CN 219054002 U CN219054002 U CN 219054002U CN 202223252621 U CN202223252621 U CN 202223252621U CN 219054002 U CN219054002 U CN 219054002U
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- jig
- main body
- magnetic head
- jig main
- pin hole
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Abstract
The utility model discloses a grinding jig for a magnetic head of a motor, which relates to the field of production jigs and comprises a jig main body, a jig pressing block, a pin shaft and an elastic piece, wherein the jig main body is made of a magnetic material, a guide groove is formed in the top of the jig main body, a yielding groove is formed in the bottom of the jig main body, and a first pin hole which is communicated with the guide groove and the yielding groove is formed in the jig main body; the jig pressing block is movably arranged on a guide convex part in the guide groove and a pressing part which is connected to the side surface of the guide convex part and is positioned above the jig main body, the guide convex part is provided with a second pin hole which is arranged opposite to the first pin hole, and the pressing part is provided with a positioning groove which is matched with the shape of the magnetic head; the pin shaft is connected between the first pin hole and the second pin hole; the elastic piece is connected with the jig main body and is used for providing acting force for pressing the jig pressing block to the jig main body. The motor magnetic head grinding jig can quickly fix the magnetic head on the grinding table, is convenient for the magnetic head to be taken down after grinding, improves the processing efficiency of the magnetic head, does not damage the magnetic head, and ensures the quality of the magnetic head.
Description
Technical Field
The utility model relates to the field of production jigs, in particular to a motor magnetic head grinding jig.
Background
After the magnetic head is manufactured, burrs and the like are generated, the burrs are generally removed before magnetizing, and then the burrs are polished and magnetized, so that the magnetic head has a good effect. Because the magnetic head is an inner member and is mounted in a fixed position on the work, burrs are not allowed. After grinding by the grinder equipment, the surface finish of the magnetic head is improved after grinding due to the polishing effect of the used medium stone, so that the magnetic head is beneficial to improving the magnetic life after magnetizing.
In the related art, the magnetic head is fixed on the grinding table of the grinder mainly through a bonding mode, namely, the magnetic head is bonded with the adhesive tape at the bottom before grinding, then is bonded on the grinding table through the adhesive tape, and then the adhesive tape is torn off after grinding. The mode has the problems that the workload of the adhesive tape is large, and the adhesive tape is easy to adhere to the magnetic head when being torn off, so that the grinding efficiency of the magnetic head is affected.
In the related art, the magnetic heads are fixed on the grinding table through the jig, the magnetic heads are fixed through clamping or embedding, and the magnetic heads are required to be taken down one by one after grinding, so that the efficiency is low.
In summary, when implementing the technical scheme of the utility model, the inventor finds that the existing motor magnetic head grinding and mounting mode has the following technical problems:
the existing motor magnetic head grinding mode has the problems that the disassembly and assembly operation of the magnetic head relative to the grinding table before and after grinding is complicated and the efficiency is low.
Disclosure of Invention
(one) solving the technical problems
The utility model provides a motor magnetic head grinding jig, which at least solves the problems of complicated disassembly and assembly operations and low efficiency of the existing magnetic head relative to a grinding table before and after grinding, can improve the grinding efficiency and ensures the quality of the magnetic head.
(II) technical scheme
In order to solve the technical problems, the utility model provides the following technical scheme:
a motor head lapping jig comprising:
the jig comprises a jig main body, a guide groove, a yielding groove, a first pin hole, a second pin hole and a first pin hole, wherein the jig main body is made of magnetic materials;
the jig pressing block is movably arranged on the guide convex part in the guide groove and a pressing part which is connected to the side surface of the guide convex part and is positioned above the jig main body, the guide convex part is provided with a second pin hole which is opposite to the first pin hole, and the pressing part is provided with a positioning groove which is matched with the shape of the magnetic head;
the pin shaft is connected between the first pin hole and the second pin hole;
and the elastic piece is connected with the jig main body and is used for providing acting force for pressing the jig pressing block to the jig main body.
In the further arrangement scheme, the pressing parts of the jig pressing blocks are symmetrically arranged on two sides of the guide convex parts.
In a further arrangement, the pin shaft comprises a head part and a tail part with a cross section smaller than that of the head part, the head part of the pin shaft is positioned in the second pin hole, and the tail part is connected with the first pin hole; the elastic piece is a linear spring which is positioned in the second pin hole and sleeved on the periphery of the pin shaft, and two ends of the linear spring are respectively abutted on the heads of the jig main body and the pin shaft.
In the scheme of further setting, still include the unloading subassembly, this unloading subassembly includes:
the fixing seat is provided with a limiting groove for placing the jig main body and is connected with the jig main body through a positioning structure;
the jacking piece is movably arranged below the jig main body and opposite to the pin shaft, and is used for lifting the jig pressing block against the acting force of the spring.
In the scheme of further setting, location structure is for setting up the spout on the tool main part and setting up on the fixing base and the slider of being connected with the spout, this spout symmetry set up in tool main part both sides.
In the scheme of further setting, the tool briquetting is followed the guide way arranges the setting, the unloading subassembly still includes the magnetism that relative tool main part activity set up and inhales the board, and this magnetism is inhaled the board and is magnetic material to be used for absorbing the magnetic head in the tool main part.
(III) beneficial effects
Compared with the prior art, the motor magnetic head grinding jig provided by the utility model has the following beneficial effects:
the motor magnetic head grinding jig is fixed on a grinding table with magnetism through magnetic attraction of a jig main body made of magnetic materials, a jig pressing block is matched with a guide groove of the jig main body through a guide convex part and can move relative to the jig main body, when a magnetic head is fixed, the magnetic head is placed between a pressing part of the jig pressing block and the top of the jig main body, the jig pressing block provides acting force for pressing the magnetic head through an elastic piece, and the magnetic head is positioned in an auxiliary mode through a positioning groove, so that the magnetic head is fixed relative to the jig main body, and therefore, the magnetic head can be processed on the grinding table; when the magnetic head is taken down, the magnetic head can be taken out only by applying force against the elastic piece to the jig pressing block to loosen the jig pressing block. The motor magnetic head grinding jig can be used for quickly fixing the magnetic head on the grinding table, is convenient for the magnetic head to be taken down after grinding, improves the processing efficiency of the magnetic head, does not damage the magnetic head, and ensures the quality of the magnetic head.
Drawings
FIG. 1 is a perspective view of a motor head lapping jig in an embodiment;
FIG. 2 is an exploded view of a motor head lapping jig according to an embodiment;
FIG. 3 is a cross-sectional view of a motor head lapping jig according to an embodiment;
FIG. 4 is a perspective view of a motor head grinding jig with a blanking assembly according to an embodiment;
FIG. 5 is a cross-sectional view of a blanking assembly in an embodiment;
fig. 6 is a perspective view of the fixing base in the embodiment.
Reference numerals: tool main part 1, tool briquetting 2, round pin axle 3, elastic component 4, unloading subassembly 5, guide way 11, give way groove 12, first pinhole 13, spout 14, direction convex part 21, push down portion 22, second pinhole 23, constant head tank 24, head 31, afterbody 32, fixing base 51, jacking piece 52, slider 53, magnetism suction plate 54.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The existing motor magnetic head grinding jig has the problems that a carbon brush frame is easy to damage and the rotation and the commutation of the carbon brush frame cannot be realized in the feeding process.
In order to solve the above-mentioned problems, please refer to fig. 1, 2 and 3, fig. 1 is a perspective view of a motor head grinding jig according to an embodiment, fig. 2 is an exploded view of the motor head grinding jig according to an embodiment, and fig. 3 is a cross-sectional view of the motor head grinding jig according to an embodiment.
The embodiment provides a motor magnetic head grinds tool, includes: the jig comprises a jig main body 1, a jig pressing block 2, a pin shaft 3 and an elastic piece 4.
The jig main body 1 is made of magnetic materials, a guide groove 11 is formed in the top of the jig main body 1, a yielding groove 12 is formed in the bottom of the jig main body, and a first pin hole 13 which is communicated with the guide groove 11 and the yielding groove 12 is formed in the jig main body.
The jig main body 1 is used for connecting a grinding table, and the grinding table and the jig main body 1 can be a magnet and a magnetic metal which are mutually magnetically attracted; the guide groove 11 is used for installing the jig pressing blocks 2, so that the jig pressing blocks 2 can move in the guide groove 11 along the depth direction of the guide groove 11, and the length of the guide groove 11 can be set according to the number of the jig pressing blocks 2 which are required to be accommodated; the yielding grooves 12 are used for yielding the mounting elastic pieces 4, and the number and the length of the yielding grooves 12 are set according to the number of the jig pressing blocks 2, namely, each jig pressing block 2 is required to be provided with a yielding groove 12 correspondingly.
Jig press block 2. Jig press block 2 is movably provided in guide groove 11 with guide projection 21 and pressing portion 22 connected to the side of guide projection 21 and located above jig main body 1. Guide projection 21 is provided with second pin hole 23 opposite to first pin hole 13. Pressing portion 22 is provided with positioning groove 24 adapted to the shape of the magnetic head.
The jig pressing block 2 is used for pressing the magnetic head on the jig main body 1, the guide convex part 21 and the pressing part 22 can be integrally formed, the guide convex part 21 is matched with the guide groove 11 in shape and size, and a placing space of the magnetic head can be formed between the pressing part 22 and the top of the jig main body 1 for placing the magnetic head; the positioning slot 24 is used for clamping or embedding the magnetic head so as to further fix the magnetic head.
The pin 3 is connected between the first pin hole 13 and the second pin hole 23.
The pin shaft 3 is used for limiting the jig pressing block 2 to move along the length direction of the guide groove 11 and guiding the jig pressing block 2 in an auxiliary mode, and meanwhile, the pin shaft 3 can also serve as a guide shaft of the elastic piece 4.
The elastic piece 4 is connected with the jig main body 1 and is used for providing acting force for pressing the jig pressing block 2 to the jig main body 1.
The elastic member 4 may be an elastic member such as a spring or an elastic block, and the elastic member 4 is supported by the jig main body 1, and applies a force to the jig press block 2 in the direction of the jig main body 1, so that the magnetic head can be clamped between the jig press block 2 and the jig main body 1.
According to the motor magnetic head grinding jig, the jig main body 1 made of magnetic materials is fixed on a grinding table with magnetism in a magnetic attraction mode, the jig pressing block 2 is matched with the guide groove 11 of the jig main body 1 through the guide convex part 21 and can move relative to the jig main body 1, when a magnetic head is fixed, the magnetic head is placed between the pressing part 22 of the jig pressing block 2 and the top of the jig main body 1, the jig pressing block 2 provides acting force to press the magnetic head through the elastic piece 4, and the magnetic head is positioned in an auxiliary mode through the positioning groove 24, so that the magnetic head is fixed relative to the jig main body 1, and therefore the magnetic head can be machined on the grinding table; when the magnetic head is taken down, the magnetic head can be taken out only by applying force against the elastic piece 4 to the jig pressing block 2 and loosening the jig pressing block 2. The motor magnetic head grinding jig can be used for quickly fixing the magnetic head on the grinding table, is convenient for the magnetic head to be taken down after grinding, improves the processing efficiency of the magnetic head, does not damage the magnetic head, and ensures the quality of the magnetic head.
In an embodiment of the jig press block 2, the pressing portions 22 of the jig press block 2 are symmetrically arranged on two sides of the guide convex portion 21, so that the arrangement has two advantages, namely, the jig press block 2 can fix two rows of magnetic heads simultaneously, a plurality of magnetic heads are grinded simultaneously, the processing efficiency is improved, and the two sides of the jig press block 2 are stressed more uniformly when the magnetic heads are fixed and grinded, so that the magnetic heads and the jig are not easy to damage.
In one embodiment of the pin 3, the pin 3 includes a head 31 and a tail 32 with a cross-sectional dimension smaller than that of the head 31, the head 31 of the pin 3 is located in the second pin hole 23, and the tail 32 is connected to the first pin hole 13 by a threaded connection, a tight connection, or the like; the elastic piece 4 is a linear spring, the linear spring is positioned in the second pin hole 23 and sleeved on the periphery of the pin shaft 3, and two ends of the linear spring are respectively abutted on the jig main body 1 and the head 31 of the pin shaft 3. The pin shaft 3 in this embodiment is used as a guide shaft of a linear spring, and the linear spring uses the jig main body 1 as a support to pull the pin shaft 3 downward, so that the jig pressing block 2 is pressed to the jig main body 1.
Referring to fig. 4, 5 and 6, fig. 4 is a perspective view of a motor magnetic head grinding jig provided with a blanking assembly in the embodiment, fig. 5 is a cross-sectional view of the blanking assembly in the embodiment, fig. 6 is a perspective view of a fixing base in the embodiment, in some embodiments, in order to facilitate detachment of the magnetic head from the jig after grinding, the grinding jig further includes a blanking assembly 5, and the blanking assembly 5 includes: the fixing seat 51 and the jacking piece 52, the fixing seat 51 can be fixed on the workbench, is provided with a limit groove for placing the jig main body 1, and is connected with the jig main body 1 through a positioning structure; the jacking piece 52 is movably arranged below the jig main body 1 and opposite to the pin shaft 3, and is used for lifting the jig pressing block 2 against the action force of a spring, the jacking piece 52 can be a jacking block, the fixed block simultaneously acts on the head 31 of each pin shaft 3, the fixed block can be manually operated and can also be driven by a driving element such as an air cylinder, and an opening 50 for the movement of the positioning piece 52 is formed in the fixed seat 51. When the magnetic head is dismounted, the jig main body 1 is placed in the limiting groove and vertically fixed on the fixed seat 51 through the positioning structure, then the jacking piece 52 pushes the pin shaft 3 to enable the jig pressing block 2 to ascend, the magnetic head is dismounted, and the magnetic head can be rapidly taken down.
In one embodiment of the positioning structure, the positioning structure is a sliding groove 14 arranged on the jig main body 1 and a sliding block 53 arranged on the fixed seat 51 and connected with the sliding groove 14, and the sliding groove 14 is symmetrically arranged at two sides of the jig main body 1. It will be appreciated that in some embodiments, the slide groove 14 and the slide block 53 may be interchanged, i.e. the slide groove 14 is provided on the fixing base 51 and the slide block 53 is provided on the jig main body 1.
In order to facilitate the magnetic head to be taken down more quickly after the fixation is canceled, the jig pressing blocks 2 are arranged along the guide grooves 11, the blanking component 5 further comprises a magnetic suction plate 54 movably arranged relative to the jig main body 1, and the magnetic suction plate 54 is made of magnetic materials and is used for sucking the magnetic head on the jig main body 1. The magnetic suction plate 54 can simultaneously adsorb all magnetic heads in the same row, and the magnetic heads can be removed at one time, wherein the magnetic suction plate 54 can be manually operated or controlled by a mechanical arm.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A motor magnetic head grinding jig is characterized by comprising:
the jig comprises a jig main body, a guide groove, a yielding groove, a first pin hole, a second pin hole and a first pin hole, wherein the jig main body is made of magnetic materials;
the jig pressing block is movably arranged on the guide convex part in the guide groove and a pressing part which is connected to the side surface of the guide convex part and is positioned above the jig main body, the guide convex part is provided with a second pin hole which is opposite to the first pin hole, and the pressing part is provided with a positioning groove which is matched with the shape of the magnetic head;
the pin shaft is connected between the first pin hole and the second pin hole;
and the elastic piece is connected with the jig main body and is used for providing acting force for pressing the jig pressing block to the jig main body.
2. The motor magnetic head grinding jig according to claim 1, wherein the pressing portions of the jig pressing block are symmetrically disposed at both sides of the guide protrusion.
3. The jig for grinding a magnetic head of a motor according to claim 1, wherein the pin includes a head portion and a tail portion having a smaller cross-sectional dimension than the head portion, the head portion of the pin is positioned in the second pin hole, and the tail portion is connected to the first pin hole; the elastic piece is a linear spring which is positioned in the second pin hole and sleeved on the periphery of the pin shaft, and two ends of the linear spring are respectively abutted on the heads of the jig main body and the pin shaft.
4. The motor head lapping jig of claim 3, further comprising a blanking assembly comprising:
the fixing seat is provided with a limiting groove for placing the jig main body and is connected with the jig main body through a positioning structure;
the jacking piece is movably arranged below the jig main body and opposite to the pin shaft, and is used for lifting the jig pressing block against the acting force of the spring.
5. The jig for grinding magnetic head of motor as defined in claim 4, wherein the positioning structure comprises a chute arranged on the jig main body and a slide block arranged on the fixing base and connected with the chute, and the chute is symmetrically arranged on two sides of the jig main body.
6. The jig for grinding a magnetic head of a motor as claimed in claim 4, wherein the jig pressing blocks are arranged along the guide grooves, and the discharging assembly further comprises a magnetic plate movably arranged relative to the jig main body, the magnetic plate being made of a magnetic material and used for sucking the magnetic head on the jig main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223252621.8U CN219054002U (en) | 2022-12-05 | 2022-12-05 | Motor magnetic head grinding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223252621.8U CN219054002U (en) | 2022-12-05 | 2022-12-05 | Motor magnetic head grinding jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219054002U true CN219054002U (en) | 2023-05-23 |
Family
ID=86348610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223252621.8U Active CN219054002U (en) | 2022-12-05 | 2022-12-05 | Motor magnetic head grinding jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219054002U (en) |
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2022
- 2022-12-05 CN CN202223252621.8U patent/CN219054002U/en active Active
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