Special-shaped magnetic steel processing and positioning device

Abstract

The special-shaped magnetic steel machining and positioning device comprises a base and a supporting assembly, the supporting assembly comprises a clamping plate and a plurality of supporting pieces, the clamping plate is transversely arranged in the base in a penetrating mode, one end of each supporting piece is vertically arranged on the base in a sliding mode, and the other end of each supporting piece is arranged on the base in a sliding mode. The other end of each supporting piece penetrates through the clamping plate to extend out of the upper surface of the base to jointly support a workpiece, a plurality of clamping blocks distributed at intervals are arranged on the clamping plate, a plurality of clamping grooves are formed in each supporting piece, the clamping grooves are linearly distributed, the clamping plate drives the clamping blocks to be connected with any clamping groove in the supporting pieces in a matched and clamped mode, and the clamping blocks are connected with the clamping plates in a clamped mode. Therefore, the position of the supporting piece is adjustable. Therefore, the curved surface part of the special-shaped magnetic steel is fully supported, so that the machining precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of magnetic steel manufacturing, particularly to a special-shaped magnetic steel processing positioning device. BACKGROUND

[0002] With the rapid development of modern industry, special-shaped magnetic steel has been widely used in many fields, such as driving motors of new energy vehicles, high-performance wind turbines, and high-end audio equipment. These application scenarios have put extremely strict requirements on the dimensional accuracy, surface quality, and magnetic properties of special-shaped magnetic steel. In the traditional processing of special-shaped magnetic steel, the commonly used positioning devices are mostly designed based on the principle of planar positioning. Such positioning devices can better meet the positioning and processing requirements when facing planar structure and regular-shaped magnetic steel workpieces.

[0003] However, the existing magnetic steel processing positioning device has the following shortcomings in actual use: when processing special-shaped magnetic steel, the curved surface structure of the special-shaped magnetic steel makes it difficult for the conventional positioning device to effectively fit the curved surface part of the magnetic steel, resulting in insufficient support for the curved surface part of the magnetic steel during processing. For example, when performing processing operations such as polishing and seamless connection on the curved surface part of the special-shaped magnetic steel, the magnetic steel lacking effective support is prone to shaking. This not only seriously affects the processing accuracy, causing the dimensional deviation of the magnetic steel to exceed the allowable range, but also may cause scratches, pits, and other defects on the surface of the magnetic steel, reducing the pass rate of the product. In view of this, the special-shaped magnetic steel processing positioning device of the present application is proposed. SUMMARY

[0004] The utility model aims at overcoming the insufficient in prior art, provide a kind of special-shaped magnetic steel processing positioning device, which can adjust the height of support according to the curved surface of different special-shaped magnetic steel, to ensure that the curved surface part of special-shaped magnetic steel is fully supported, thereby improving the processing accuracy.

[0005] The utility model aims at overcoming the insufficient in prior art, provide a kind of special-shaped magnetic steel processing positioning device, which can adjust the height of support according to the curved surface of different special-shaped magnetic steel, to ensure that the curved surface part of special-shaped magnetic steel is fully supported, thereby improving the processing accuracy.

[0006] A special-shaped magnetic steel processing positioning device comprises:

[0007] a base; and

[0008] a support assembly, the support assembly comprising a clamping plate and a plurality of support pieces, the clamping plate being transversely arranged in the base, one end of each support piece being vertically slidably arranged on the base, and the other end of each support piece extending out of the upper surface of the base through the clamping plate to collectively support a workpiece, a plurality of clamping blocks being spaced apart and arranged on the clamping plate, a plurality of clamping slots being formed on each support piece, and the clamping slots being linearly arranged, the clamping plate driving the clamping blocks to adaptively engage with any one of the clamping slots on the support pieces, so that the position of the support pieces is adjustable.

[0009] Optionally, the base comprises a bottom block and a top plate, the top plate is arranged on the bottom block, a groove is arranged on the end of the bottom block close to the top plate, and the clamping plate is slidingly arranged in the groove.

[0010] Optionally, a plurality of circular grooves are arranged on the inner bottom wall of the groove, and a plurality of through holes are arranged on the top plate, and each circular groove and each through hole correspond to each other.

[0011] Optionally, a plurality of perforations are arranged on the clamping plate, each perforation extends from one end of the clamping plate to the other end, the perforations are distributed at intervals, and the clamping blocks are equidistantly distributed on the inner side walls of the perforations.

[0012] Optionally, the support member comprises a first elastic member and a top column, the two ends of the first elastic member are in abutment with the bottom block and the top column respectively, the first elastic member is used for pushing the top column to abut against the workpiece, and the clamping groove is arranged on the top column.

[0013] Optionally, a guide groove is further arranged on the top column, a guide rail is arranged on the circular groove, and the guide rail is slidingly connected with the guide groove.

[0014] Optionally, an anti-skid cap is arranged on the end of the top column away from the first elastic member.

[0015] Optionally, the support assembly further comprises a lock rod and a second elastic member, the lock rod is slidingly arranged on the clamping plate, the two ends of the second elastic member are in abutment with the clamping plate and the lock rod respectively, and the second elastic member pushes the lock rod to abut against the bottom block.

[0016] Optionally, a sliding groove is further arranged on the bottom block, a side rail is arranged on the clamping plate, and the side rail is slidingly connected with the sliding groove.

[0017] Optionally, an insertion part is arranged on the inner bottom wall of the sliding groove, and one end of the lock rod is inserted into the insertion part.

[0018] Compared with the prior art, the utility model has at least the following advantages:

[0019] The special-shaped magnetic steel machining positioning device, by a plurality of first elastic members respectively pushing a plurality of top columns, so that each top column can abut against the curved surface part of the special-shaped magnetic steel, and then the clamping plate sliding transversely drives each clamping block to be clamped with any clamping groove on each top column to fix the height of each top column, so that each top column can support the curved surface part of the special-shaped magnetic steel, and then the curved surface part of the special-shaped magnetic steel is fully supported, so as to improve the machining precision. BRIEF DESCRIPTION OF DRAWINGS

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of a non-shaped magnet processing and positioning device according to one embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the card block and card slot engaging in one embodiment of the present invention;

[0023] Figure 3 for Figure 2 A magnified schematic diagram of the structure of part A in the diagram;

[0024] Figure 4 This is a schematic diagram of the structure of the card block away from the card slot in one embodiment of the present invention;

[0025] Figure 5 for Figure 4 A magnified schematic diagram of the partial structure of B in the diagram;

[0026] Figure 6 for Figure 4 A magnified schematic diagram of the structure of C in the middle;

[0027] Figure 7 This is a schematic diagram of the structure of the base block according to one embodiment of the present invention;

[0028] Figure 8 This is a schematic diagram of the clamping plate according to one embodiment of the present invention;

[0029] Figure 9 This is a schematic diagram of the top column according to one embodiment of the present invention;

[0030] Figure 10 This is a cross-sectional structural schematic diagram of a positioning device for processing irregularly shaped magnets according to one embodiment of the present invention;

[0031] Figure 11 This is a schematic diagram of the cross-sectional structure of each support member supporting the curved surface of the irregularly shaped magnet in one embodiment of the present invention.

[0032] Figure 12 This is a partial structural schematic diagram of a non-shaped magnet processing and positioning device according to one embodiment of the present invention.

[0033] Figure 13 for Figure 12 A magnified schematic diagram of the structure of part D.

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 1. The device for positioning the special-shaped magnetic steel, 10, base, 11, bottom block, 110, groove, 111, round groove, 112, sliding groove, 113, plug-in part, 114, round clamping table, 115, guide rail, 12, top plate, 20, clamping plate, 200, through hole, 201, handle, 202, locking groove, 203, side rail, 21, clamping block, 30, supporting piece, 31, first elastic piece, 32, top column, 320, clamping groove, 321, guide groove, 322, anti-skid cap, 323, clamping ring, 40, locking rod, 41, second elastic piece. DETAILED DESCRIPTION

[0036] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings.

[0037] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0038] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0039] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0040] As Figures 1 to 11As shown in the figure, a special-shaped magnetic steel processing positioning device 1 comprises a base 10 and a supporting assembly, the supporting assembly comprises a clamping plate 20 and a plurality of supporting pieces 30, the clamping plate 20 is transversely arranged in the base 10, one end of each supporting piece 30 is vertically and slidingly arranged on the base 10, the other end of each supporting piece 30 is arranged through the clamping plate 20 and extends out of the upper surface of the base 10 to jointly support the workpiece, a plurality of clamping blocks 21 are arranged on the clamping plate 20, a plurality of clamping grooves 320 are arranged on each supporting piece 30, each clamping groove 320 is linearly arranged, and the clamping plate 20 drives the clamping blocks 21 to be adaptively clamped with any one of the clamping grooves 320 on the supporting piece 30, so that the position of the supporting piece 30 is adjustable.

[0041] It should be noted that the base 10 comprises a bottom block 11 and a top plate 12, the bottom block 11 is provided with a groove 110, the two ends of the groove 110 are transversely arranged on the two opposite sides of the bottom block 11, the depth and width of the groove 110 are adapted to the clamping plate 20, so that the clamping plate 20 can be slidingly arranged in the groove 110, and the clamping plate 20 can be slidingly arranged out of the two opposite sides of the bottom block 11. Further, the top plate 12 is arranged on the bottom block 11, for example, the top plate 12 is screwed on the bottom block 11, and the two opposite ends of the top plate 12 are respectively arranged on the two sides of the groove 110, so that when the top plate 12 is arranged on the bottom block 11, the top plate 12 can cover the groove 110, so that the groove 110 becomes a square hole with two ends connected, and the clamping plate 20 is slidingly arranged in the square hole, and the clamping plate 20 can only extend out or retract from one of the two opposite sides of the base 10.

[0042] As shown in the figure, Figure 1 , Figure 7 In an embodiment, a plurality of circular grooves 111 are arranged on the inner bottom wall of the groove 110, and a plurality of through holes are arranged on the top plate 12, each circular groove 111 and each through hole are one-to-one corresponding.

[0043] It should be noted that a plurality of circular grooves 111 are arranged on the inner bottom wall of the groove 110, and each circular groove 111 is equidistantly arranged, in an embodiment, each circular groove 111 is equidistantly arranged in an array, so that a plurality of circular grooves 111 are arranged along the transverse direction, and a plurality of circular grooves 111 are also arranged along the vertical direction. Further, a plurality of through holes are arranged on the top plate 12, the number of the through holes is consistent with the number of the circular grooves 111, and each through hole and each circular groove 111 are coaxially arranged one-to-one. Specifically, one through hole on the top plate 12 is coaxially aligned with one circular groove 111 on the bottom block 11.

[0044] As shown in the figure, Figures 2 to 5 , Figure 8As shown, in an embodiment, the clamping plate 20 is provided with a plurality of through holes 200, each of which extends from one end to the other end of the clamping plate 20, and each of which is spaced apart, and each of the clamping blocks 21 is equidistantly distributed on the inner side wall of each of the through holes 200.

[0045] It should be noted that the clamping plate 20 is provided with a plurality of through holes 200, and the two ends of each of the through holes 200 are respectively communicated with the upper and lower surfaces of the clamping plate 20. For example, the through hole 200 is a waist-shaped hole structure. Since the circular grooves 111 on the bottom block 11 and the through holes on the top plate 12 are arranged in an equidistant array, when the clamping plate 20 slides in the square hole, the two ends of one of the through holes 200 can be respectively communicated with a plurality of circular grooves 111 and a plurality of through holes on a straight line, and thus the two ends of each of the through holes 200 are respectively communicated with a plurality of circular grooves 111 and a plurality of through holes on each straight line. Further, a plurality of clamping blocks 21 are arranged on the two opposite inner side walls of each of the through holes 200, and the spacing distance of each of the clamping blocks 21 is consistent with the spacing distance of each of the circular grooves 111 / through holes. Further, one side of the clamping block 21 is connected with the inner side wall, and the side of the clamping block 21 away from the inner side wall tends to be a tooth structure, specifically, the front view of the clamping block 21 is an inverted W-shaped structure.

[0046] As shown in Figures 1 to 5 , Figures 7 to 12 As shown, in an embodiment, the support 30 includes a first elastic member 31 and a top column 32, the two ends of the first elastic member 31 are respectively abutted with the bottom block 11 and the top column 32, the first elastic member 31 is used to push the top column 32 to abut with the workpiece, and a clamping groove 320 is provided on the top column 32.

[0047] It should be noted that the top column 32 is provided with a clamping groove 320, for example, the top column 32 is a cylindrical structure. A plurality of clamping grooves 320 are provided on the two opposite sides of the top column 32, and each of the clamping grooves 320 on the two sides of the top column 32 is equidistantly arranged along the axial direction of the top column 32. It should be noted that the direction of each of the clamping grooves 320 on the two sides of the top column 32 is perpendicular to the direction of the axis, for example, each of the equidistantly arranged clamping grooves 320 tends to be a tooth structure on a threaded rod, for example, each of the equidistantly arranged clamping grooves 320 is an inverted W-shaped structure that is continuously spliced, and each of the clamping grooves 320 can be adaptively clamped with the clamping block 21. Further, the first elastic member 31 is a spring structure. A spring groove is provided on the end face of one end of the top column 32, and the two ends of the first elastic member 31 are respectively abutted with the inner bottom wall of the spring groove and the inner bottom wall of the circular groove 111 on the bottom block 11, so that the first elastic member 31 can push the top column 32 to vertically slide in the through hole 200, and the top column 32 is extended from the through hole on the top plate 12 relative to the bottom block 11.

[0048] It should be noted that when the first elastic member 31 pushes the top column 32 to slide vertically in the through hole 200, the top column 32 drives the equidistantly arranged clamping grooves 320 on both sides to move up and down along the axis direction of the top column 32. Since the clamping blocks 21 on the through hole 200 are arranged in the same way as the circular grooves 111 / hole, when the clamping plate 20 drives the clamping blocks 21 to slide transversely relative to the bottom block 11, the clamping blocks 21 are in a dislocation state with the top column 32. Specifically, the top column 32 is located between the clamping blocks 21. When the end of the first elastic member 31 that pushes the top column 32 out of the top plate 12 abuts against the curved surface part of the special-shaped magnetic steel, and the clamping plate 20 is manually pulled to drive the clamping blocks 21 to slide transversely and approach the top column 32, the clamping blocks 21 are clamped with any one of the clamping grooves 320 on the top column 32, so that the top column 32 cannot be lowered or extended. Specifically, when the top column 32 is pushed by the first elastic member 31, the top column 32 can abut against the part with different degrees of curvature of the special-shaped magnetic steel. When the top column 32 abuts against the special-shaped magnetic steel, the clamping plate 20 is pulled to drive the clamping blocks 21 to be clamped with any one of the clamping grooves 320 along the transverse direction, so that the top column 32 cannot move up and down along the vertical direction. Thus, the special-shaped magnetic steel machining positioning device 1 can make the top column 32 abut against the curved surface part of the special-shaped magnetic steel under the pushing of the first elastic member 31, and then the clamping plate 20 is pulled to drive the top column 32 to keep the height of extension, so that the curved surface part of the special-shaped magnetic steel can be fully supported to improve the machining precision.

[0049] As shown in Figures 2 to 4 , Figure 9 , in an embodiment, the top column 32 is further provided with a guide groove 321, and the circular groove 111 is provided with a guide rail 115, and the guide rail 115 is slidably clamped with the guide groove 321.

[0050] It should be noted that the circumferential surface of the top column 32 is provided with a guide groove 321, the guide groove 321 is provided along the axial direction of the top column 32, and the guide groove 321 extends from the end surface of the top column 32. The inner side wall of the circular groove 111 is provided with a guide rail 115, the guide rail 115 is provided along the axial direction of the circular groove 111, the guide groove 321 and the guide rail 115 are slidably connected, and since the guide groove 321 and the guide rail 115 are both provided along the axial direction of the top column 32 / circular groove 111, when the top column 32 slides in the circular groove 111 / through hole, the top column 32 can only slide relative to the axial direction of the circular groove 111 / through hole, and cannot rotate around the axis of the circular groove 111 / through hole, thereby avoiding the rotation of the top column 32 when the top column 32 drives the two side clamping grooves 320 to rotate away from the clamping block 21, so that the clamping block 21 cannot be connected with the clamping groove 320 when it slides close to the top column 32, thereby making the clamping plate 20 unable to fix the height of the top column 32, and further making the curved surface part of the special-shaped steel unable to be fully supported, thereby affecting the machining precision. In an embodiment, the guide rail 115 is provided on the inner side wall of the through hole, and the guide rail 115 and the guide groove 321 are slidably connected to avoid the rotation of the top column 32 around the axis of the circular groove 111 / through hole.

[0051] As shown in Figures 1 to 5 , Figures 9 to 12 , in an embodiment, the end of the top column 32 away from the first elastic member 31 is provided with an anti-skid cap 322.

[0052] It should be noted that the anti-skid cap 322 is made of rubber, and the top column 32 drives the anti-skid cap 322 to abut against the surface of the special-shaped magnetic steel. Specifically, since the curved surface part of the special-shaped magnetic steel has an irregular structure, when each top column 32 abuts against the curved surface part, the direction of extension of each top column 32 has different angles with the surface of the curved surface part. In this way, the top column 32 is prevented from being deviated when abutting against the special-shaped magnetic steel, thereby preventing the positioning from being deviated and affecting the machining precision.

[0053] As shown in Figures 1 to 2 , Figure 4 , Figure 6 , Figure 8 , Figures 12 to 13 , in an embodiment, the support assembly further includes a locking rod 40 and a second elastic member 41, the locking rod 40 is slidably arranged on the clamping plate 20, the two ends of the second elastic member 41 abut against the clamping plate 20 and the locking rod 40 respectively, and the second elastic member 41 pushes the locking rod 40 to abut against the bottom block 11.

[0054] It needs explanation that the one end surface of the clamping plate 20 is provided with a handle 201, for example, the handle 201 is screwed with the clamping plate 20. The end surface of the clamping plate 20 is provided with a lock slot 202, the lock slot 202 is communicated with the two side surfaces of the clamping plate 20 through the handle 201, the lock rod 40 is provided with two, the two lock rods 40 are slidingly arranged on the lock slot 202, the lock rod 40 tends to L-shaped structure, one end of the two lock rods 40 is located in the handle 201, the other end of the two lock rods 40 respectively extends from the two side surfaces of the clamping plate 20. The second elastic member 41 is a spring structure, the second elastic member 41 is located in the lock slot 202, and the two ends of the second elastic member 41 are respectively in contact with the two lock rods 40, so that the two ends of the two lock rods 40 respectively extend from the two side surfaces of the clamping plate 20.

[0055] As Figures 1 to 2 , Figure 4 , Figure 6 , Figure 8 , Figures 10 to 13 It is shown that in an embodiment, the bottom block 11 is also provided with a sliding slot 112, and the clamping plate 20 is provided with a side rail 203, and the side rail 203 is slidingly connected with the sliding slot 112.

[0056] It needs explanation that the inner bottom wall of the sliding slot 112 is provided with an insertion part 113, and the insertion part 113 is one end of the sliding slot 112. The two inner side walls of the groove 110 of the bottom block 11 are provided with the sliding slot 112, and the two sliding slots 112 are penetrated through the two ends of the bottom block 11, and the opening direction of the two sliding slots 112 is consistent with the opening direction of the groove 110. The two side rails 203 are provided on the two sides of the clamping plate 20, when the clamping plate 20 is located in the groove 110, the side rail 203 is slidingly arranged in the sliding slot 112, so that the clamping plate 20 can only be transversely slid from one end of the groove 110 to the other end of the groove 110. Further, the two sliding slots 112 are provided with the insertion part 113, and the two insertion parts 113 are located at the end of the two sliding slots 112. Further, the side rail 203 and the lock slot 202 are located on the adjacent side surface and end surface of the clamping plate 20, so that the two side rails 203 are perpendicular to the lock slot 202.

[0057] It should be noted that when the end of the clamping plate 20 close to the pull handle 201 is parallel to the end surface of the bottom block, the insertion part 113 is in communication with the lock slot 202, and the second elastic member 41 extends the push lock rod 40 from the lock slot 202 away from the end of the pull handle 201 to be inserted with the insertion part 113, so that the clamping plate 20 cannot slide relative to the groove 110, and the clamping plate 20 drives the clamping block 21 to remain clamped with the clamping groove 320, avoiding the operator from touching the pull handle 201 or the clamping plate 20 during machining operation, so that the clamping plate 20 drives the clamping block 21 to slide away from the clamping groove 320, so that each jacking column 32 returns to the initial state under the push of the first elastic member 31.

[0058] In an embodiment, when the profiled magnetic steel is placed on the middle position of the profiled magnetic steel machining positioning device 1, the part of the profiled magnetic steel machining positioning device 1 in the middle position supports the curved surface part of the profiled magnetic steel, and the jacking columns 32 not in abutment with the profiled magnetic steel remain in the state of being extended under the push of the first elastic member 31, which means that there are several extended jacking columns 32 around the profiled magnetic steel along the contour, thereby avoiding the profiled magnetic steel from shifting or shaking during machining to improve machining precision.

[0059] As shown in Figures 10 to 11 In an embodiment, a circular clamping table 114 is further arranged on the circular groove, and an axle clamping ring is arranged on the jacking column, and the clamping ring is clamped with the circular clamping table.

[0060] It should be noted that the end of the circular groove 111 close to the slot is provided with a circular clamping table 114, for example, the circular clamping table 114 is an integral molding structure with the inner side wall of the circular groove 111. The inner diameter of the circular clamping table 114 is smaller than the inner diameter of the circular groove 111, and the diameter of the circular clamping table 114 is matched with the diameter of the jacking column 32. Further, the clamping ring 323 is arranged on the end of the jacking column 32 away from the anti-slip cap 322, the outer diameter of the clamping ring 323 is matched with the inner diameter of the circular groove 111, the jacking column 32 drives the clamping ring 323 to slide in the circular groove 111, and the clamping ring 323 slides away from the inner bottom wall of the circular groove 111 to be clamped with the circular clamping table 114, so as to avoid the first elastic member 31 from driving the jacking column 32 to slide out of the circular groove 111, thereby making the jacking column 32 completely fall off the upper surface of the top plate 12. The guide rail 115 is opened on the inner side wall of the circular clamping table 114.

[0061] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A special-shaped magnetic steel processing positioning device, characterized in that, The utility model relates to a workpiece support device, which comprises: a base; and a support assembly comprising a clamping plate and a plurality of support pieces, the clamping plate is transversely arranged in the base, one end of each of the support pieces is vertically and slidingly arranged on the base, the other end of each of the support pieces extends out of the upper surface of the base through the clamping plate to jointly support a workpiece, a plurality of clamping blocks are arranged on the clamping plate in a spaced manner, a plurality of clamping slots are formed on each of the support pieces, each of the clamping slots is linearly arranged, the clamping plate drives the clamping blocks to adaptively engage with any one of the clamping slots on the support pieces, so that the position of the support pieces is adjustable.

2. The special-shaped magnetic steel machining positioning device according to claim 1, wherein, The base comprises a bottom block and a top plate, the top plate is arranged on the bottom block, a groove is formed on the end of the bottom block close to the top plate, and the clamping plate is slidingly arranged in the groove.

3. The special-shaped magnetic steel machining positioning device according to claim 2, characterized in that, A plurality of circular grooves are formed on the inner bottom wall of the groove, and a plurality of through holes are formed on the top plate, each of the circular grooves and each of the through holes corresponds to one another.

4. The special-shaped magnetic steel machining positioning device according to claim 2, characterized in that, A plurality of through holes are formed on the clamping plate, each of the through holes extends from one end to the other end of the clamping plate, and each of the through holes is spaced apart, and each of the clamping blocks is equidistantly arranged on the inner side wall of each of the through holes.

5. The special-shaped magnetic steel machining positioning device according to claim 3, characterized in that, The support piece comprises a first elastic piece and a top column, the two ends of the first elastic piece respectively abut against the bottom block and the top column, the first elastic piece is used for pushing the top column to abut against a workpiece, and the clamping slot is formed on the top column.

6. The special-shaped magnetic steel machining positioning device according to claim 5, characterized in that, A guide groove is also formed on the top column, a guide rail is arranged on the circular groove, and the guide rail slidingly engages with the guide groove.

7. The special-shaped magnetic steel machining positioning device according to claim 6, characterized in that, A non-slip cap is arranged on the end of the top column away from the first elastic piece.

8. The special-shaped magnetic steel machining positioning device according to claim 6, characterized in that, The support assembly further comprises a lock rod and a second elastic piece, the lock rod is slidingly arranged on the clamping plate, the two ends of the second elastic piece respectively abut against the clamping plate and the lock rod, and the second elastic piece pushes the lock rod to abut against the bottom block.

9. The special-shaped magnetic steel machining positioning device according to claim 8, characterized in that, A sliding groove is also formed on the bottom block, a side rail is arranged on the clamping plate, and the side rail slidingly connects with the sliding groove.

10. The special-shaped magnetic steel machining positioning device according to claim 9, characterized in that, An insertion part is formed on the inner bottom wall of the sliding groove, and one end of the lock rod is inserted into the insertion part.

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