A cylindrical magnetic linear motor stator core and bonding tool thereof

Abstract

The utility model discloses a cylindrical magnetic linear motor stator core, including a stator body, wherein the stator body is formed by a plurality of silicon steel sheets stacked continuously and bonded under high pressure, and the plurality of silicon steel sheets are stacked in a step-like manner on the left and right sides to form arc shapes on both sides, and each silicon steel sheet includes a horizontal bar segment, a trapezoidal segment integrally formed with the horizontal bar segment is arranged on the left side of the front end of the horizontal bar segment, and a long strip segment integrally formed with the horizontal bar segment is arranged on the right side of the front end of the horizontal bar segment, and a waist of the trapezoidal segment extends along a wide side of the horizontal bar segment, and a long side of the long strip segment extends along another wide side of the horizontal bar segment. The utility model also discloses a bonding tool for a cylindrical magnetic linear motor stator core. This structure realizes a stator core capable of processing an arc-shaped structure.

Description

Technical Field

[0001] The utility model belongs to the relevant technical field of stators and stator clamps, and particularly relates to a cylindrical magnetic linear motor stator core and a bonding tool thereof. Background Art

[0002] The stator core of the motor is made of multiple stator punchings stacked together. The stacking process is a key process in the manufacture of the stator core of the motor, and the stacking quality directly affects the quality of the motor. The most common traditional stacking method is the riveting method, which uses a riveted connection structure, including multiple single-tooth yoke structural blocks. Each single-tooth yoke structural block is composed of multiple single-tooth yoke steel sheets that are self-riveted and stacked. When stacking by riveting, the alignment of both sides must be ensured before riveting can be performed, and only straight-line stacking can be performed, and the arc shape on both sides of the core cannot be formed. At the same time, the riveting force must be controlled well, not too large, which can easily damage the product, and too small, which cannot lead to the riveting being completed. Therefore, the force control during the riveting operation is relatively complicated. Therefore, the above-mentioned processing of the stator core has the following problems:

[0003] 1. The existing iron core stacking can only be performed in a straight line and cannot form an arc shape on both sides of the iron core.

[0004] 2. During stacking, the force control during the riveting operation is relatively complicated, resulting in a high product scrap rate and increased processing costs. Utility Model Content

[0005] The utility model aims to provide a cylindrical magnetic linear motor stator core and its bonding tooling, which solves the problem that the existing core stacking can only be stacked in a straight line and cannot form an arc shape on both sides of the core, and during stacking, the force control during the riveting operation is relatively complicated, resulting in a high product scrap rate and increased processing costs.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a cylindrical magnetic linear motor stator core, comprising a stator body, wherein the stator body is formed by continuously stacking and high-pressure bonding a plurality of silicon steel sheets, and the plurality of silicon steel sheets are stacked in a step-like manner on the left and right sides to form arc shapes on both sides, and each silicon steel sheet comprises a horizontal bar segment, a trapezoidal segment integrally formed with the horizontal bar segment is arranged on the left side of the front end of the horizontal bar segment, and a long strip segment integrally formed with the horizontal bar segment is arranged on the right side of the front end of the horizontal bar segment, and a waist of the trapezoidal segment extends along a wide side of the horizontal bar segment, and a long side of the long strip segment extends along another wide side of the horizontal bar segment.

[0008] The present structure also discloses a bonding tool for preparing the cylindrical magnetic linear motor stator core, comprising:

[0009] A lower die fixing component, the lower die fixing component includes a base plate, a precision positioning block 1, a precision positioning block 2, a precision positioning block 3, a fine-tuning screw 1 and a fine-tuning screw 2, the precision positioning block 1 and the precision positioning block 2 are arranged at intervals on the front and rear of the upper surface of the base plate, the precision positioning block 3 located on the left side is arranged in the gap between the precision positioning block 1 and the precision positioning block 2, the right side of the precision positioning block 3 is provided with an arc surface 1 that abuts against the side surfaces of a plurality of silicon steel sheets, a screw seat is arranged on the right side of the upper surface of the base plate, the fine-tuning screw 1 is threadedly connected to the screw seat, and the screw of the fine-tuning screw 1 The end of the rod is matched with a pusher block 1, and the left side of the pusher block 1 is provided with an arc surface 2 that abuts against the other side of several silicon steel sheets, and the fine adjustment screw 2 is threadedly connected to the precision positioning block 1, and the end of the screw rod of the fine adjustment screw 2 is matched with a pusher block 2, and the arc surface 1, the arc surface 2, the precision positioning block 2 and the pusher block 2 cooperate to form a positioning groove for positioning several silicon steel sheets; the main function of the above-mentioned bottom plate is to support the entire tooling and be used as a positioning reference plate; the main function of the two fine adjustment screws on the top is to adjust the pusher block 1 and the pusher block 2 to move forward or backward;

[0010] An upper die assembly mechanism, the upper die assembly mechanism includes a positioning plate, an upper cover plate, a rectangular spring, a nut, an upper push block and a spring screw, the positioning plate is arranged on the precision positioning block 1 and the precision positioning block 2, the positioning plate is provided with a guide hole aligned with the positioning groove, one or more spring screws are fixed to the positioning plate, an upper cover plate located above the positioning plate is movably sleeved between the spring screws, an upper push block located in the guide hole is arranged at the bottom of the upper cover plate, an adjusting nut is threadedly connected above each spring screw, a rectangular spring sleeved outside the spring screw is top-connected between each adjusting nut and the upper cover plate, and the bottom surface of the upper push block is against the upper surface of the silicon steel sheet.

[0011] Preferably, in order to facilitate installation, the precision positioning block three is connected to the base plate by means of a screw one and a pin one, the back of the precision positioning block three is in close contact with the precision positioning block two, and the arc surface one is made into a corresponding arc surface according to the arc degree required to be bent by the iron core, and its main function is to make the outer arc of the iron core, and the height of the precision positioning block three needs to be 2.0 mm higher than the height of the stator body (the final cylindrical magnetic linear motor stator core composed of several single-piece silicon steel sheets).

[0012] Preferably, for ease of installation, precision positioning block two is connected to the base plate by screw two and pin two, and the height of precision positioning block two needs to be 2.5 mm higher than the height of the stator body. Precision positioning block two is used to position the side of the stator body (i.e., the iron core), and is also connected to the upper positioning plate for fastening the positioning plate; there is a 0.2 mm gap between the side of precision positioning block two and precision positioning block three.

[0013] Preferably, the precision positioning block 1 is connected to the bottom plate by means of screw 3 and pin 3, and a sliding notch for placing the pusher block 2 is provided on the precision positioning block 1, and the height of the precision positioning block 1 needs to be 2.5 mm higher than the height of the stator body.

[0014] Preferably, the screw seat is fixed to the base plate by screw four, and the thickness of the screw seat is 1 mm lower than that of the precision positioning block two.

[0015] Preferably, the positioning plate is fixedly connected to the first and second precision positioning blocks by means of long screws.

[0016] The utility model has the following beneficial effects:

[0017] This structure also adopts linear stacking. During the stacking process, due to the use of specific tooling prepared by this structure, the arc surface one and arc surface two on both sides are used to position the arc surfaces of several silicon steel sheets, and glue is set on the surface of each silicon steel sheet. Then the tooling is put into an oven for heating to melt the glue and bond them together. Therefore, the iron core of this assembly adopts a bonding method, and the glue is melted to form an integral iron core, and the iron core must form a curved arc shape, and finally form a curved iron core. Therefore, this structure solves the problem in the prior art that "the existing iron core can only be stacked linearly and cannot form an arc shape on both sides of the iron core during processing". At the same time, specific tooling is used to realize the arc structure of the iron core when stacking, and the operation of the entire structure is relatively simple, and positioning is more convenient. Glue is used for heating and pasting, so the force of pushing the material block from the top does not need to be too large, thereby improving the qualified rate of product processing and reducing processing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a single silicon steel sheet in Example 1;

[0019] Figure 2 The structure of a cylindrical magnetic linear motor stator core in Example 1 is shown in FIG. Figure 1 ;

[0020] Figure 3 The structure of a cylindrical magnetic linear motor stator core in Example 1 is shown in FIG. Figure 2 ;

[0021] Figure 4 It is a structural schematic diagram of a bonding tool for a cylindrical magnetic linear motor stator core in Example 1;

[0022] Figure 5 It is a structural schematic diagram of the upper mold assembly mechanism in Example 1;

[0023] Figure 6Schematic diagram of the bottom structure of the upper mold assembly mechanism in Example 1;

[0024] Figure 7 for Figure 6 Schematic diagram of the structure when the middle positioning plate is separated from other components;

[0025] Figure 8 This is a schematic diagram of the structure when a nail body is installed in the lower mold fixing assembly in Example 1;

[0026] Fig. 9 for Figure 8 A schematic diagram of the structure when the middle push block 1, the fine adjustment screw 1, the fine adjustment screw 2, the push block 2 and the precision positioning block 3 are separated from other components;

[0027] Fig.10 This is a schematic diagram of the structure when no nail body is installed in the lower mold fixing assembly in Example 1.

[0028] Stator body 1, silicon steel sheet 101, horizontal strip segment 1011, long strip segment 1012, trapezoidal segment 1013, lower mold fixing component 2, bottom plate 201, precision positioning block 1 202, sliding notch 2021, precision positioning block 2 203, precision positioning block 3 204, screw seat 205, push block 1 206, push block 2 207, fine-tuning screw 1 208, fine-tuning screw 2 209, arc surface 1 2041, arc surface 2 2061, positioning groove 3, upper mold assembly mechanism 4, positioning plate 401, upper cover plate 402, rectangular spring 403, nut 404, upper push block 405, spring screw 406, guide hole 407, screw 1 5, pin 1 6, screw 2 7, pin 2 8, screw 3 9, pin 3 10, screw 4 11, long strip screw 12. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0030] See also Figure 1-3As shown, a cylindrical magnetic linear motor stator core and bonding tooling thereof disclosed in this embodiment include a stator body 1, wherein the stator body 1 is formed by continuously stacking and bonding a plurality of silicon steel sheets 101 under high pressure, and the plurality of silicon steel sheets 101 are stacked in a step-like manner on the left and right sides to form arc shapes on both sides, and each silicon steel sheet 101 includes a horizontal bar segment 1011, and a trapezoidal segment 1013 integrally formed with the horizontal bar segment 1011 is arranged on the left side of the front end of the horizontal bar segment 1011, and a long strip segment 1012 integrally formed with the horizontal bar segment 1011 is arranged on the right side of the front end of the horizontal bar segment 1011, and a waist of the trapezoidal segment 1013 extends along a wide side of the horizontal bar segment 1011, and a long side of the long strip segment 1012 extends along another wide side of the horizontal bar segment 1011, and a glue layer is arranged on the surface of each silicon steel sheet 101, and the glue layer adopts an existing glue material that can be purchased, so the specific model is not limited.

[0031] like Figure 4-Figure 10 As shown, this embodiment also discloses a bonding tool for preparing the stator core of the cylindrical magnetic linear motor, comprising:

[0032] A lower die fixing component 2, the lower die fixing component 2 includes a base plate 201, a precision positioning block 1 202, a precision positioning block 203, a precision positioning block 3 204, a fine-tuning screw 1 208 and a fine-tuning screw 2 209, the precision positioning block 1 202 and the precision positioning block 2 203 are arranged at intervals in front and behind the upper surface of the base plate 201, the precision positioning block 3 204 located on the left side is arranged in the gap between the precision positioning block 1 202 and the precision positioning block 2 203, the right side of the precision positioning block 3 204 is provided with an arc surface 1 2041 that abuts against the side surface of a plurality of silicon steel sheets 101, a screw seat 205 is arranged on the right side of the upper surface of the base plate 201, and a fine-tuning screw 1 208 is threadedly connected to the screw seat 205, and the fine-tuning screw 1 The end of the screw rod 208 is matched with a pusher block 206, and the left side of the pusher block 206 is provided with an arc surface 2061 that abuts against the other side of several silicon steel sheets 101. The fine adjustment screw 209 is threadedly connected to the precision positioning block 202, and the end of the screw rod of the fine adjustment screw 209 is matched with a pusher block 207. The arc surface 1 2041, the arc surface 2061, the precision positioning block 203 and the pusher block 207 cooperate to form a positioning groove 3 for positioning several silicon steel sheets 101; the main function of the above-mentioned bottom plate 201 is to support the entire tooling and be used as a positioning reference plate; the main function of the two fine adjustment screws on the top is to adjust the pusher block 206 and the pusher block 207 to move forward or backward;

[0033] An upper die assembly mechanism 4, the upper die assembly mechanism 4 includes a positioning plate 401, an upper cover plate 402, a rectangular spring 403, a nut 404, an upper push block 405 and a spring screw 406, the positioning plate 401 is arranged on the precision positioning block 1 202 and the precision positioning block 2 203, and the positioning plate 401 is fixedly connected with the precision positioning block 1 202 and the precision positioning block 2 203 by a long screw 12;

[0034] A guide hole 407 aligned with the positioning groove 3 is provided on the positioning plate 401, and one or more spring screws 406 are fixed on the positioning plate 401. An upper cover plate 402 located above the positioning plate 401 is movably sleeved between the spring screws 406, and an upper push block 405 located in the guide hole 407 is provided at the bottom of the upper cover plate 402. An adjusting nut 404 is threadedly connected above each spring screw 406, and a rectangular spring 403 sleeved on the outside of the spring screw 406 is top-connected between each adjusting nut 404 and the upper cover plate 402, and the bottom surface of the upper push block 405 is against the upper surface of the silicon steel sheet 101.

[0035] Preferably, for the convenience of installation, the precision positioning block three 204 is connected to the base plate 201 by means of screws 5 and pins 6, the back of the precision positioning block three 204 is in close contact with the precision positioning block two 203, and the arc surface one 2041 is made into a corresponding arc surface according to the arc degree required to be bent by the iron core, and its main function is to make the outer arc of the iron core, and the height of the precision positioning block three 204 needs to be 2.0 mm higher than the height of the stator body 1 (which is the final cylindrical magnetic linear motor stator core composed of several single-piece silicon steel sheets 101).

[0036] Preferably, for the convenience of installation, the precision positioning block 203 is connected to the base plate 201 by screws 27 and pins 28, and the height of the precision positioning block 203 needs to be 2.5 mm higher than the height of the stator body 1. The precision positioning block 203 is used to position the side of the stator body 1 (i.e., the iron core), and is also connected to the upper positioning plate 401 for fastening the positioning plate 401; preferably, the precision positioning block 1 202 is connected to the base plate 201 by screws 3 9 and pins 3 10, and a sliding notch 2021 for placing the pusher block 207 is provided on the precision positioning block 1 202. The height of the precision positioning block 1 202 needs to be 2.5 mm higher than the height of the stator body 1. There is a gap of 0.2 mm between the side of the precision positioning block 1 202 and the precision positioning block 3 204 to prevent interference. A screw hole is designed on the side of the precision positioning block 1 202 for adjusting the pusher block 207, and is also connected to the positioning plate 401 for fastening.

[0037] The pusher block 207 needs to be made into the shape of the iron core after bending, and its height is the same as that of the precision positioning block 3 204, that is, it can play a positioning role without interfering. By turning the fine-tuning screw 209, the straight surface part of the iron core is contacted with the precision positioning block 203 to form. As an important pusher block for promoting the side of the iron core to form, whether the straight surface of the iron core is neat depends on the pushing function of the pusher block 207.

[0038] The push block 206 is used as the front end pushing part. It needs to be made into the inner arc of the iron core after bending. The height is the same as the precision positioning block 3 204, so that it can play a positioning role without interfering. By turning the fine-tuning screw 1 208, the outer arc of the push block 206 will push the iron core into shape, and the straight part will become a curved arc line. With gentle force, several single-piece silicon steel sheets 101 are pushed to contact with the precision positioning block 203 to form the arc of the iron core. The effect of the iron core bending arc depends on whether the push block 206 can be pushed smoothly.

[0039] Preferably, the screw seat 205 is fixed to the base plate 201 by screw four 11, and the thickness of the screw seat 205 is 1 mm lower than that of the precision positioning block two 203. The upper screw seat 205 is fixed to the base plate 201 by two screws 11, and a screw hole is designed on the side of the screw seat 205 for adjusting the push block one 206 to allow the push block one 206 to move horizontally.

[0040] In the above structure, the two sides of the positioning plate 401 are fixed on the precision positioning block 1 202 and the precision positioning block 2 203 by two long screws 12 respectively, transmitting the pressure reference, and fixing the force point of the spring screw 406 to position the limit push block 40, the upper cover plate 402 is movable, and the upper push block 405 is pressed by the elastic force of the spring, so that the single silicon steel sheet 101 increases the stacking coefficient of the iron core after being subjected to pressure, and is pressed tightly. During the heating process of the iron core, the glue on the single silicon steel sheet 101 will melt, and the movable upper cover plate 402 will be pressed downward by the elastic force of the spring, so that the iron core can be stacked. Tighter, and the rectangular spring 403 mentioned above uses 4 rectangular springs, each with an elastic force of about 1700N, which can allow the single piece with glue to obtain better and tighter contact after melting, so that the stacking coefficient of the iron core is higher, and the adjusting nut 404 is fixed on the upper surface of the spring screw 406, so that the elastic force is pressed downward, and the push-up block 405 transmits the elastic force of the spring to the iron core, which is fixed in the positioning plate 401. The surface is in direct contact with the iron core, and the iron core is pressed downward by the force of the spring, and the spring screw 406 is fixed on the positioning plate 401. The positioning plate 401 connects the upper and lower mold assemblies to transmit the reference of the elastic force.

[0041] The specific installation steps of the bonding tooling for a cylindrical magnetic linear motor stator core in the present structure are as follows: first check whether the precision positioning block 1 202, precision positioning block 203, and precision positioning block 3 204 are vertically qualified, connect the three precision positioning blocks to the base plate 201 through screws and pins, and place several silicon steel sheets 101 with glue in the positioning groove 3 in sequence, with the straight surface of one end of the silicon steel sheet 101 in contact with the precision positioning block 203, and the arc surface in contact with the precision positioning block 3 204. Then, install the pusher block 1 206 and the pusher block 207, gently turn the fine-tuning screw 1 208 and the fine-tuning screw 2 209 on the side to see if they can move freely and normally, and turn the fine-tuning screw 1 208 and the fine-tuning screw 2 209 corresponding to the pusher block 1 206 and the pusher block 207 so that the initial After being positioned into the iron core, the positioning plate 401 and the upper cover plate 402 are installed to ensure that the upper push block 405 is placed in the guide hole 407, and the spring screw 406, the rectangular spring 403 and the nut 404 are installed. The compression amount of the spring is used to be between 5-7mm. At this time, by tightening the fine-tuning screws 1 208 and the fine-tuning screws 209 on the sides of the movable push block 1 206 and the push block 2 207, it is fixed into a positioned and clamped iron core, and the fixture is placed in the oven, and the oven is heated. After setting the specified temperature and time (the temperature and time of the oven are calculated according to specific requirements, which belongs to conventional technology, so it is not described in detail), the surface glue on the single silicon steel sheet 10 is completely melted, and finally a combined iron core is formed, which is the stator body 1, which is Figure 2 shape to ensure that both sides of the core are arc-surface structures, and then after cooling, disassemble the upper nut 404, upper cover plate 402, rectangular spring 403 and upper cover plate 402 to expose the guide hole 407, from which the internal core can be seen downwards, and the parts can be taken out, and the fine-tuning screws 1 208 and fine-tuning screws 209 on both sides are loosened, and then several pieces of silicon steel sheets 101 with glue are put in according to the above convenience, and the fine-tuning screws 1 208 and fine-tuning screws 209 on both sides are continued to be rotated to press the silicon steel sheets 101, and then the upper cover plate 402, rectangular spring 403 and nut 404 are installed, and then they are put into the oven to process the core according to the above reciprocating operation.

[0042] The present structure also adopts linear stacking. During the stacking process, due to the use of a specific tooling prepared by the present structure, the arc surface one 2041 and the arc surface two 2061 on both sides are used to position the arc surfaces of several silicon steel sheets 101, and glue is set on the surface of each silicon steel sheet 101. Then the tooling is placed in an oven for heating to melt the glue and bond them together. Therefore, the iron core of the present assembly adopts a bonding method, and the glue is melted to form an integral iron core, and the iron core is to form a curved arc shape, and finally constitutes a curved iron core; later, the arc surfaces of multiple such curved iron cores are spliced ​​in sequence to form a complete circular iron core body, and then the complete iron core body is vertically inserted into the small cylindrical rotor. Since the sheets of the iron core are vertically plug-in inserted into the small cylindrical rotor, the orientation of the electrical steel is changed, which is beneficial to improving the overall performance of the iron core.

[0043] Therefore, this structure solves the problem in the prior art that "during the processing of the existing iron core, only straight-line stacking can be performed and the arc shape on both sides of the iron core cannot be formed". At the same time, specific tooling is used to enable the iron core to achieve an arc structure when stacked. Moreover, the operation of the entire structure is relatively simple, and positioning is more convenient. Glue is used for heating and pasting, so the force of pushing the material block upward does not need to be too large, thereby improving the qualified rate of product processing and reducing processing costs.

[0044] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A cylindrical magnetic linear motor stator core, comprising a stator body (1), characterized in that: The stator body (1) is formed by stacking a plurality of silicon steel sheets (101) continuously and bonding them under high pressure, and the plurality of silicon steel sheets (101) are stacked in a step-like manner on the left and right sides to form arc shapes on both sides, and each silicon steel sheet (101) comprises a horizontal bar segment (1011), a trapezoidal segment (1013) formed integrally with the horizontal bar segment (1011) is arranged on the left side of the front end of the horizontal bar segment (1011), and a long strip segment (1012) formed integrally with the horizontal bar segment (1011) is arranged on the right side of the front end of the horizontal bar segment (1011), and a waist of the trapezoidal segment (1013) extends along a wide side of the horizontal bar segment (1011), and a long side of the long strip segment (1012) extends along another wide side of the horizontal bar segment (1011).

2. A bonding tool for preparing the stator core of the cylindrical magnetic linear motor according to claim 1, characterized in that: include: A lower die fixing assembly (2), the lower die fixing assembly (2) comprising a base plate (201), a precision positioning block 1 (202), a precision positioning block 2 (203), a precision positioning block 3 (204), a fine-tuning screw 1 (208) and a fine-tuning screw 2 (209), the precision positioning block 1 (202) and the precision positioning block 2 (203) being arranged at intervals on the front and rear of the upper surface of the base plate (201), the precision positioning block 3 (204) being arranged on the left side in the gap between the precision positioning block 1 (202) and the precision positioning block 2 (203), the right side of the precision positioning block 3 (204) being arranged with an arc surface 1 (2041) abutting against a side surface of a plurality of silicon steel sheets (101), and a screw seat being arranged on the right side of the upper surface of the base plate (201) (205), a fine-tuning screw (208) is threadedly connected to the screw seat (205), and the end of the screw of the fine-tuning screw (208) is matched with a push block (206), and the left side of the push block (206) is provided with an arc surface (2061) that abuts against the other side of the plurality of silicon steel sheets (101), and the fine-tuning screw (209) is threadedly connected to the precision positioning block (202), and the end of the screw of the fine-tuning screw (209) is matched with a push block (207), and the arc surface (2041), the arc surface (2061), the precision positioning block (203) and the push block (207) cooperate to form a positioning groove (3) for positioning the plurality of silicon steel sheets (101); An upper die assembly mechanism (4), the upper die assembly mechanism (4) comprising a positioning plate (401), an upper cover plate (402), a rectangular spring (403), a nut (404), an upper push block (405) and a spring screw (406), the positioning plate (401) being arranged on a first precision positioning block (202) and a second precision positioning block (203), the positioning plate (401) being provided with a guide hole (407) aligned with the positioning groove (3), one or more spring screws (406) being fixed on the positioning plate (401), An upper cover plate (402) located above the positioning plate (401) is movably sleeved between the spring screws (406), and an upper push block (405) located in a guide hole (407) is provided at the bottom of the upper cover plate (402). An adjusting nut (404) is threadedly connected above each spring screw (406), and a rectangular spring (403) sleeved outside the spring screw (406) is top-connected between each adjusting nut (404) and the upper cover plate (402), and the bottom surface of the upper push block (405) is against the upper surface of the silicon steel sheet (101).

3. The bonding tool for the stator core of a cylindrical magnetic linear motor according to claim 2, characterized in that: The precision positioning block three (204) is connected to the bottom plate (201) by means of screw one (5) and pin one (6); the rear side of the precision positioning block three (204) is in close contact with the precision positioning block two (203); and the arc surface one (2041) is manufactured to have a corresponding arc surface according to the arc degree required for the iron core to be bent; and the height of the precision positioning block three (204) needs to be 2.0 mm higher than the height of the stator body (1).

4. The bonding tool for the stator core of a cylindrical magnetic linear motor according to claim 3, characterized in that: The second precision positioning block (203) is connected to the base plate (201) via the second screw (7) and the second pin (8), and the height of the second precision positioning block (203) needs to be 2.5 mm higher than the height of the stator body (1).

5. The bonding tool for the stator core of a cylindrical magnetic linear motor according to claim 4, characterized in that: The precision positioning block 1 (202) is connected to the bottom plate (201) via screw 3 (9) and pin 3 (10). A sliding notch (2021) for accommodating the pusher block 2 (207) is provided on the precision positioning block 1 (202). The height of the precision positioning block 1 (202) needs to be 2.5 mm higher than the height of the stator body (1).

6. The bonding tool for the stator core of a cylindrical magnetic linear motor according to claim 5, characterized in that: The screw seat (205) is fixed on the bottom plate (201) by means of screw four (11), and the thickness of the screw seat (205) is 1 mm lower than that of the precision positioning block two (203).

7. The bonding tool for the stator core of a cylindrical magnetic linear motor according to claim 6, characterized in that: The positioning plate (401) is fixedly connected to the first precision positioning block (202) and the second precision positioning block (203) via long screws (12).

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