Assembly machine for permanent magnet type stator of automobile starter

Abstract

The utility model belongs to the technical field of automobile manufacturing, and particularly relates to an assembling machine for a permanent magnet type stator of an automobile starter. An assembling tool on the base is provided with an abutting-pushing assembly, the abutting-pushing assembly comprises abutting-pushing pieces, and the multiple abutting-pushing pieces are close to each other or away from each other at the same time through a second driving mechanism; the lower assembling tool is provided with a supporting and clamping assembly arranged opposite to the abutting and pushing assembly, the supporting and clamping assembly comprises a supporting and clamping piece, and a supporting and clamping part of the supporting and clamping piece extends upwards from the assembling operation window; an abutting and pushing channel is formed between the supporting and clamping parts of every two adjacent supporting and clamping pieces, the abutting and pushing parts of the abutting and pushing pieces vertically stretch in or out through the abutting and pushing channels, and the abutting and pushing channels do linear reciprocating motion in the direction from the position close to the machining and positioning center L to the position away from the machining and positioning center L; the multiple supporting and clamping pieces get close to each other or get away from each other at the same time through the third driving mechanism. The device is high in reliability, saves manpower, and enables the assembly efficiency of the permanent magnet type stator of the automobile starter to be higher.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile manufacturing, and in particular relates to an assembly machine for a permanent magnet stator of an automobile starter. Background Art

[0002] The permanent magnet stator of the starter is an important component of the car, and its function is to generate a rotating magnetic field. Figure 1 , 2 As shown, the existing starter permanent magnet stator 1 includes a middle body shell 101, a magnetic steel tile 102 and a retaining spring 103. The middle body shell 101 is a cylindrical structure with openings at both ends. A clamping protrusion 1011 is provided on the inner wall of the middle body shell 101, and a mounting hole is provided on the retaining spring 103. Through the clamping cooperation between the clamping protrusion 1011 and the mounting hole, the retaining spring 103 is installed on the middle body shell 101 and is located in the middle body shell 101. There are multiple retaining springs 103, and the multiple retaining springs 103 are evenly spaced along the circumference of the middle body shell 101, and the magnetic steel tile 102 is installed between two adjacent retaining springs 103. At present, for the starter permanent magnet stator with the above structure, a manual assembly method is adopted. Specifically, the clamping protrusion 1011 is matched with the mounting hole to first install the clamping spring 103 on the middle body shell 101, and a magnetic steel tile installation spacing is reserved between two adjacent clamping springs 103. After all the clamping springs 103 are installed, the magnetic steel tile 102 is installed in the magnetic steel tile installation spacing between two adjacent clamping springs 103, and the magnetic steel tile 102 is clamped and fixed by two adjacent clamping springs 103. However, the above operation has the disadvantages of low assembly efficiency, time-consuming and labor-intensive. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an assembly machine for a permanent magnet stator of an automobile starter which can improve the assembly efficiency.

[0004] The utility model solves the technical problem by adopting the following technical solution: an assembly machine for a permanent magnet stator of an automobile starter, comprising a frame, an upper mounting frame, an upper assembly tool, a lower mounting frame and a lower assembly tool;

[0005] The frame is provided with a first driving mechanism for driving the upper mounting frame to perform vertical linear motion; the upper mounting frame is provided with an upper assembly tooling arranged corresponding to and used in conjunction with the lower assembly tooling;

[0006] The upper assembly tool has a push assembly, which includes a push piece, and a plurality of push pieces are provided, and the plurality of push pieces are evenly distributed around the circumference of the machining positioning center L; the plurality of push pieces are simultaneously approached or simultaneously moved away from each other through the second driving mechanism;

[0007] The lower mounting frame is mounted on the frame, and an assembly operation window is provided on the lower mounting frame, and a positioning structure is provided to fix the position of the middle body shell during assembly;

[0008] The lower assembly tool is installed on the frame and has a support clamping assembly arranged opposite to the push assembly, the support clamping assembly includes a support clamping member, and the support clamping portion of the support clamping member extends upward from the assembly operation window; there are multiple support clamping members, and the multiple support clamping members are evenly distributed around the circumference of the positioning machining center L; there is a push channel between the support clamping portions of two adjacent support clamps, and the push channel is for the push portion of the push member to extend vertically or extend out, and to perform linear reciprocating motion in a direction from close to the machining positioning center L to away from the machining positioning center L; multiple support clamps are simultaneously approached or moved away from each other through a third driving mechanism.

[0009] Furthermore, the upper assembly tool further comprises an upper mounting seat connected to the upper mounting frame, and the upper mounting seat is located below the upper mounting frame;

[0010] The push member is connected to the upper mounting seat via a first linear motion guide structure, and the first linear motion guide structure guides along a linear direction from close to the machining positioning center L to far away from the machining positioning center L.

[0011] Furthermore, the first linear motion guide structure includes an upper sliding block and an upper sliding groove that are slidably matched;

[0012] The upper slide groove with the opening facing downward is arranged on the upper mounting seat, one end of the upper slide groove is close to the processing positioning center L, and the other end is far away from the processing positioning center L;

[0013] The upper sliding block is connected with the push member.

[0014] Furthermore, upper limit blocks are provided on one side or both sides in the width direction of the upper sliding block.

[0015] Furthermore, the push member includes an upper mounting block and a push rod vertically arranged on the upper mounting block;

[0016] The push rod is located below the end of the upper mounting block adjacent to the machining positioning center L, and the push rod serves as the push portion; the upper mounting block is connected to the upper slider;

[0017] The push channel allows the push rod to vertically extend into or extend out, and to perform linear reciprocating motion in a direction from close to the processing positioning center L to away from the processing positioning center L.

[0018] Furthermore, a push surface is provided at the lower part of the push rod, and the push surface is arranged obliquely downward in a direction from away from the machining positioning center L to close to the machining positioning center L, and is located on a side of the push rod away from the machining positioning center L.

[0019] Furthermore, the second driving mechanism drives the plurality of push members to approach each other or to move away from each other simultaneously through the first transmission structure.

[0020] Further, the first transmission structure includes a first inclined surface and a second inclined surface used in conjunction with each other;

[0021] A vertically arranged upper installation channel is provided in the middle of the upper installation seat, and the upper slide groove is connected to the upper installation channel;

[0022] The output end of the second driving mechanism is connected to a first pushing block extending into the upper mounting channel, the first inclined surface is arranged on the first pushing block, and the first inclined surface is arranged downwardly from away from the machining positioning center L to close to the machining positioning center L;

[0023] The second inclined surface is disposed on the upper sliding block and is located at an end thereof adjacent to the machining positioning center L.

[0024] Furthermore, it also includes a first adjustable tooth structure, which includes a first rack and a second rack meshing with each other; the first rack is arranged at the bottom of the upper slider, and the second rack is arranged at the top of the upper mounting block; the length direction of the first rack and the length direction of the second rack are both parallel to the length direction of the upper slide groove;

[0025] The upper mounting block is connected to the upper sliding block via a first bolt.

[0026] Furthermore, the lower assembly tool further includes a lower mounting seat connected to the frame, and the lower mounting seat is located below the lower mounting frame;

[0027] The support clamp is connected to the lower mounting seat via a second linear motion guide structure, and the second linear motion guide structure guides along a linear direction from close to the machining positioning center L to away from the machining positioning center L.

[0028] Furthermore, the second linear motion guide structure includes a lower sliding block and a lower sliding groove that are slidably matched;

[0029] The downward sliding groove with an upward opening is arranged on the lower mounting seat, one end of the downward sliding groove is close to the processing positioning center L, and the other end is far away from the processing positioning center L;

[0030] The supporting clamp is connected with the lower sliding block.

[0031] Furthermore, the supporting clamp includes a supporting block and a clamping block disposed on the supporting block;

[0032] The support block is connected to the lower slider; the support block and the clamping block together serve as the support clamping portion;

[0033] The distance from the outer side surface of the support block to the machining positioning center L is greater than the distance from the outer side surface of the clamping block to the machining positioning center L, and a step structure is formed; the upper surface of the support block serves as a supporting placement surface for placing magnetic steel tiles and retaining springs;

[0034] The clamping block is provided with a magnetic steel tile abutment surface and a retaining spring clamping surface, and the magnetic steel tile abutment surface and the retaining spring clamping surface are both located on the side of the clamping block away from the processing positioning center L; there are two retaining spring clamping surfaces, and the magnetic steel tile abutment surface is located between the two retaining spring clamping surfaces.

[0035] Furthermore, the support clamp also includes a lower mounting block disposed at the lower end of the support block, and the lower mounting block is located on a side of the support block away from the machining positioning center L;

[0036] The lower mounting block is connected to the lower sliding block.

[0037] Furthermore, the third driving mechanism drives the plurality of supporting clamps to move closer to each other or away from each other simultaneously through the second transmission structure.

[0038] Furthermore, the second transmission structure includes a third inclined plane and a fourth inclined plane used in conjunction with each other;

[0039] A lower mounting channel coaxially arranged with the upper mounting channel is provided in the middle of the lower mounting seat, and the lower sliding groove is connected with the lower mounting channel;

[0040] The output end of the third driving mechanism is connected to a second pushing block extending into the lower mounting channel, the third inclined surface is arranged on the second pushing block, and the third inclined surface is arranged downwardly from close to the machining positioning center L to away from the machining positioning center L;

[0041] The fourth inclined surface is disposed on the lower sliding block and is located at an end thereof adjacent to the machining positioning center L.

[0042] Further, the lower mounting frame includes a lower mounting base frame, and a positioning plate mounted on the lower mounting base frame;

[0043] The lower mounting base has a horizontal processing surface, and the horizontally arranged positioning plate is located above the horizontal processing surface;

[0044] The assembly operation window comprises an upper window and a lower window which are coaxial and connected, the upper window is opened in the middle of the positioning plate, and the lower window is opened on the lower mounting base; the inner diameter of the upper window is smaller than the inner diameter of the lower window;

[0045] The positioning structure is arranged on the positioning plate.

[0046] Furthermore, it also includes a fourth driving mechanism installed on the frame, and the fourth driving mechanism drives the lower mounting frame to perform vertical linear motion;

[0047] The lower mounting frame is slidably mounted on the frame.

[0048] Furthermore, the upper mounting frame is connected to the frame via a third linear motion guide structure, and the third linear motion guide structure guides in a vertical direction.

[0049] Furthermore, it also includes a second adjustable tooth structure, which includes a third rack and a fourth rack meshing with each other; the third rack is arranged at the bottom of the lower mounting block; the fourth rack is arranged at the top of the lower slider; the length direction of the third rack and the length direction of the fourth rack are both parallel to the length direction of the lower slide groove;

[0050] The lower mounting block is connected to the lower sliding block via a second bolt.

[0051] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides an assembly machine for automobile starter permanent magnet stators that can improve assembly efficiency. The equipment has high reliability, saves labor, and makes the assembly efficiency of automobile starter permanent magnet stators higher. It can also meet the assembly of various specifications of starter permanent magnet stators with different diameters. It is also conducive to the later maintenance and overhaul of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 It is a three-dimensional diagram of the permanent magnet stator of the starter;

[0053] Figure 2 It is a stereogram of the mesobody shell;

[0054] Figure 3 It is a three-dimensional diagram of one angle of the utility model;

[0055] Figure 4 It is a three-dimensional diagram of the utility model from another angle;

[0056] Figure 5 yes Figure 1 A magnified view of part A in FIG.

[0057] Figure 6 It is the front view of the upper assembly tooling in the utility model;

[0058] Figure 7 yes Figure 6 Section view along the section line BB;

[0059] Figure 8 It is a three-dimensional diagram of the upper mounting seat in the utility model;

[0060] Fig. 9 It is the front view of the lower assembly tooling in the utility model;

[0061] Fig.10 yes Fig. 9 Section view along the section line CC;

[0062] Fig.11 It is a top view of the lower assembly tooling of the utility model;

[0063] Fig.12 yes Fig.11 The enlarged view of the D part in FIG.

[0064] Fig.13 It is a three-dimensional diagram of the lower mounting seat in the utility model;

[0065] Fig.14 It is a three-dimensional diagram of the supporting clamp in the utility model;

[0066] Reference numerals:

[0067] 1-starter permanent magnet stator; 101-middle body shell; 1011-clamping protrusion; 1012-positioning protrusion; 102-magnetic steel tile; 103-circlip;

[0068] 2- rack;

[0069] 3-Upper mounting frame;

[0070] 4-lower mounting frame; 401-lower mounting base; 4011-horizontal processing surface; 4012-through hole; 402-positioning plate; 4022-annular positioning groove; 4023-positioning bayonet;

[0071] 5-upper assembly tool; 501-upper mounting seat; 502-push member; 5021-upper mounting block; 5022-push rod; 5023-push surface; 503-first linear motion guide structure; 5031-upper slider; 5032-upper slide groove; 5033-upper mounting channel; 5034-second inclined surface; 504-first push block; 5041-first inclined surface; 505-first rack; 506-second rack; 507-upper limit block;

[0072] 6-lower assembly tool; 601-lower mounting seat; 602-support clamping member; 6021-support block; 6022-clamping block; 6023-lower mounting block; 6024-magnetic steel tile abutment surface; 6025-circlip clamping surface; 603-second linear motion guide structure; 6031-lower slider; 6032-lower slide groove; 6033-lower mounting channel; 6034-fourth inclined surface; 604-second push block; 6041-third inclined surface; 605-push channel; 606-third rack; 607-fourth rack; 608-lower limit block;

[0073] 7- first driving mechanism;

[0074] 8- second driving mechanism;

[0075] 9- third driving mechanism;

[0076] 10- third linear motion guide structure;

[0077] 11- fourth driving mechanism;

[0078] 12-Limiting column. DETAILED DESCRIPTION

[0079] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0080] The assembly machine of the permanent magnet stator of the automobile starter comprises a frame 2, an upper mounting frame 3, an upper assembly tool 5, a lower mounting frame 4 and a lower assembly tool 6; the frame 2 is provided with a first driving mechanism 7 for driving the upper mounting frame 3 to perform up and down linear motion; the upper mounting frame 3 is provided with an upper assembly tool 5 arranged corresponding to and used in conjunction with the lower assembly tool 6; the upper assembly tool 5 has a push assembly, the push assembly comprises a push piece 502, a plurality of push pieces 502 are provided, and the plurality of push pieces 502 are uniformly distributed around the circumference of the processing positioning center L; the plurality of push pieces 502 are simultaneously approached or simultaneously moved away from each other through a second driving mechanism 8; the lower mounting frame 4 is installed on the frame 2, an assembly operation window is provided on the lower mounting frame 4, and a mechanism is provided to make the middle body shell 1 01 a positioning structure with a fixed position; the lower assembly tool 6 is installed on the frame 2, and has a support clamping component arranged opposite to the push component, the support clamping component includes a support clamping member 602, and the support clamping portion of the support clamping member 602 extends upward from the assembly operation window; there are multiple support clamping members 602, and the multiple support clamping members 602 are evenly distributed around the circumference of the positioning machining center L; there is a push channel 605 between the support clamping portions of two adjacent support clamping members 602, and the push channel 605 is for the push portion of the push member 502 to extend vertically or extend out, and to perform a linear reciprocating motion in the direction from close to the machining positioning center L to away from the machining positioning center L; multiple support clamping members 602 are simultaneously approached or moved away from each other through the third driving mechanism 9.

[0081] The positioning structure has multiple implementations:

[0082] In the first embodiment, the positioning structure includes a buckle mounted on the lower mounting frame 4, and a gap is provided between the buckle and the edge of the assembly operation window for placing the middle body shell 101. At least three buckles are provided, and at least three buckles are evenly distributed along the circumference of the assembly operation window. The middle body shell 101 is vertically placed on the lower mounting frame 4, and the buckle is located on the outer side of the middle body shell 101, and the middle body shell 101 is fixed by at least three buckles.

[0083] In the second embodiment, the positioning structure includes an annular positioning groove 4022 for placing the middle body shell 101, and the center line of the annular positioning groove 4022 and the center line of the assembly operation window both coincide with the processing positioning center L. The edge of the annular positioning groove 4022 is provided with a positioning bayonet 4023 connected to itself, and the positioning bayonet 4023 is engaged with the positioning protrusion 1012 at the lower end of the middle body shell 101.

[0084] When the middle body shell 101 is vertically placed in the annular positioning groove 4022 and is in the initial position, the axis of the middle body shell 101 coincides with the processing positioning center L. At this time, the clamping parts of the multiple support clamps 602 are all extended into the middle body shell 101, and the clamping parts of the multiple support clamps 602 are evenly distributed along the circumference of the middle body shell 101. The clamping spring 103 is placed between the clamping parts of two adjacent support clamps 602, and the clamping spring 103 is stably supported and clamped by the clamping parts of the two adjacent support clamps 602. The first driving mechanism 7 drives the upper mounting frame 3 to move downward, so that the push part of the push member 502 extends into the push channel 605 and is located on the side of the clamping spring 103 away from the middle body shell 101, and each push member 502 corresponds to a clamping spring 103. At this time, the push part of the push member 502 and the support clamp 602 are arranged alternately. The second driving mechanism 8 drives the multiple push members 502 to move away from each other at the same time. Under the pushing action of the push part, the clamping spring 103 moves toward the inner wall of the middle body shell 101 and is clamped and fixed with the middle body shell 101. After that, the second driving mechanism 8 drives the multiple push members 502 to move toward each other at the same time, and then the first driving mechanism 7 drives the upper mounting frame 3 to rise and reset. After that, the magnetic steel tile 102 is placed between the supporting clamping member 602 and the middle body shell 101, and the third driving mechanism 9 drives the multiple supporting clamping members 602 to move away from each other at the same time, and then pushes the magnetic steel tile 102 between two adjacent clamping springs 103. After that, the multiple supporting clamping members 602 move toward each other at the same time through the third driving mechanism 9 to reset, thereby realizing the assembly of the starter permanent magnet stator 1.

[0085] The upper assembly tool 5 has a variety of structural forms. Specifically, the upper assembly tool 5 also includes an upper mounting seat 501 connected to the upper mounting frame 3, and the upper mounting seat 501 is located below the upper mounting frame 3; the push member 502 is connected to the upper mounting seat 501 through a first linear motion guide structure 503, and the first linear motion guide structure 503 guides along a linear direction from close to the processing positioning center L to away from the processing positioning center L. By providing the first linear motion guide structure 503, the reliability of the push member 502 performing linear reciprocating motion is improved.

[0086] The first linear motion guide structure 503 may be a meshing gear rack structure, preferably, the first linear motion guide structure 503 comprises an upper slider 5031 and an upper slide groove 5032 that are slidably matched; the upper slide groove 5032 with an opening facing downward is arranged on the upper mounting seat 501, one end of the upper slide groove 5032 is close to the machining positioning center L, and the other end is far away from the machining positioning center L; the upper slider 5031 is connected to the push member 502. Both of the above two embodiments can realize the guidance of the linear reciprocating motion of the push member 502.

[0087] As a preferred embodiment, an upper limit block 507 is provided on one or both sides of the width direction of the upper slider 5031 to prevent the upper slider 5031 and the upper mounting seat 501 from vertical displacement. As a further preferred embodiment, the upper slider 5031 and the upper limit block 507 are an integral structure formed in one piece.

[0088] The push member 502 has a variety of structural forms. Preferably, the push member 502 includes an upper mounting block 5021, and a push rod 5022 vertically arranged on the upper mounting block 5021; the push rod 5022 is located below the end of the upper mounting block 5021 adjacent to the processing positioning center L, and the push rod 5022 serves as the push portion; the upper mounting block 5021 is connected to the upper slider 5031; the push channel 605 is for the push rod 5022 to vertically extend or extend, and to perform a linear reciprocating motion in a direction from close to the processing positioning center L to away from the processing positioning center L.

[0089] Preferably, the upper mounting block 5021 and the push rod 5022 are an integral structure formed in one piece.

[0090] When the upper mounting frame 3 moves downward, in order to prevent the lower end of the push rod 5022 from interfering with the top surface of the retaining spring 103, preferably, a push surface 5023 is provided at the lower portion of the push rod 5022, and the push surface 5023 is arranged obliquely downward in a direction from away from the machining positioning center L to close to the machining positioning center L, and is located on a side of the push rod 5022 away from the machining positioning center L. By providing the obliquely arranged push surface 5023, the lower end of the push rod 5022 is prevented from interfering with the top surface of the retaining spring 103.

[0091] Preferably, the second driving mechanism 8 drives the plurality of push members 502 to move closer to each other or away from each other simultaneously through the first transmission structure.

[0092] Specifically, the first transmission structure includes a first inclined surface 5041 and a second inclined surface 5034 used in conjunction with each other; a vertically arranged upper installation channel 5033 is provided in the middle of the upper installation seat 501, and the upper slide groove 5032 is connected to the upper installation channel 5033; the output end of the second driving mechanism 8 is connected to a first push block 504 extending into the upper installation channel 5033, the first inclined surface 5041 is arranged on the first push block 504, and the first inclined surface 5041 is arranged downwardly from away from the machining positioning center L to close to the machining positioning center L; the second inclined surface 5034 is arranged on the upper slider 5031 and is located at one end thereof adjacent to the machining positioning center L. The upper installation channel 5033 provides an installation space for the first push block 504. The second driving mechanism 8 drives the first pushing block 504 to move linearly up and down, and through the cooperation of the first inclined surface 5041 and the second inclined surface 5034, the upper sliding block 5031 slides along the upper sliding groove 5032, thereby driving the multiple pushing members 502 to move closer to or away from each other at the same time.

[0093] As a preferred embodiment, it also includes a first adjustable tooth structure, which includes a first rack 505 and a second rack 506 that are meshed with each other; the first rack 505 is arranged at the bottom of the upper slider 5031, and the second rack 506 is arranged at the top of the upper mounting block 5021; the length direction of the first rack 505 and the length direction of the second rack 506 are both parallel to the length direction of the upper slide 5032. Through the cooperation of the first rack 505 and the second rack 506, the displacement of the push member 502 along the straight line direction close to the processing positioning center L due to excessive force is avoided. Specifically, the upper mounting block 5021 is connected to the upper slider 5031 by a first bolt.

[0094] The lower assembly tool 6 has a variety of structural forms. Specifically, the lower assembly tool 6 also includes a lower mounting seat 601 connected to the frame 2, and the lower mounting seat 601 is located below the lower mounting frame 4; the support clamp 602 is connected to the lower mounting seat 601 through a second linear motion guide structure 603, and the second linear motion guide structure 603 guides along a linear direction from close to the processing positioning center L to away from the processing positioning center L. By providing the second linear motion guide structure 603, the reliability of the support clamp 602 doing linear reciprocating motion is improved.

[0095] The second linear motion guide structure 603 may be a meshing gear rack structure, preferably, the second linear motion guide structure 603 comprises a slidingly matched lower slider 6031 and a lower slide groove 6032; the lower slide groove 6032 with an upward opening is arranged on the lower mounting seat 601, one end of the lower slide groove 6032 is close to the machining positioning center L, and the other end is far away from the machining positioning center L; the support clamp 602 is connected to the lower slider 6031. Both of the above two embodiments can realize the guidance of the linear reciprocating motion of the support clamp 602.

[0096] As a preferred embodiment, a lower limit block 608 is provided on one or both sides of the width direction of the lower slider 6031 to prevent vertical displacement between the lower slider 6031 and the lower mounting seat 601. As a further preferred embodiment, the lower slider 6031 and the lower limit block 608 are an integral structure formed in one piece.

[0097] The support clamp 602 has a variety of structural forms. Preferably, the support clamp 602 includes a support block 6021 and a clamping block 6022 disposed on the support block 6021; the support block 6021 is connected to the lower slider 6031; the support block 6021 and the clamping block 6022 together serve as the support clamping portion; the distance from the outer side surface of the support block 6021 to the machining positioning center L is greater than the distance from the outer side surface of the clamping block 6022 to the machining positioning center L, and a step is formed. Structure; the upper surface of the support block 6021 is used as a support and placement surface for placing the magnetic steel tile 102 and the retaining spring 103; the clamping block 6022 is provided with a magnetic steel tile abutting surface 6024 and a retaining spring clamping surface 6025, both of which are located on the side of the clamping block 6022 away from the processing positioning center L; two retaining spring clamping surfaces 6025 are provided, and the magnetic steel tile abutting surface 6024 is located between the two retaining spring clamping surfaces 6025. The retaining spring 103 is clamped by two retaining spring clamping surfaces 6025 correspondingly arranged on two adjacent clamping blocks 6022. The upper surface of the support block 6021 provides placement support for the retaining spring 103 and the magnetic steel tile 102 to prevent the retaining spring 103 and the magnetic steel tile 102 from falling downward.

[0098] The support block 6021 can be directly connected to the lower sliding block 6031. For the convenience of installation, preferably, the support clamp 602 also includes a lower mounting block 6023 arranged at the lower end of the support block 6021, and the lower mounting block 6023 is located on the side of the support block 6021 away from the processing positioning center L; the lower mounting block 6023 is connected to the lower sliding block 6031.

[0099] Preferably, the clamping block 6022, the supporting block 6021 and the lower mounting block 6023 are an integral structure formed in one piece.

[0100] Preferably, the third driving mechanism 9 drives the plurality of supporting clamps 602 to move closer to each other or away from each other simultaneously through the second transmission structure.

[0101] Specifically, the second transmission structure includes a third inclined surface 6041 and a fourth inclined surface 6034 used in conjunction with each other; a lower installation channel 6033 coaxially arranged with the upper installation channel 5033 is provided in the middle of the lower installation seat 601, and the lower sliding groove 6032 is connected to the lower installation channel 6033; the output end of the third driving mechanism 9 is connected to a second push block 604 extending into the lower installation channel 6033, the third inclined surface 6041 is arranged on the second push block 604, and the third inclined surface 6041 is arranged downwardly from close to the machining positioning center L to away from the machining positioning center L; the fourth inclined surface 6034 is arranged on the lower slider 6031, and is located at one end thereof adjacent to the machining positioning center L. The lower installation channel 6033 provides an installation space for the second push block 604. The third driving mechanism 9 drives the second pushing block 604 to move linearly up and down, and through the cooperation of the third inclined surface 6041 and the fourth inclined surface 6034, the lower sliding block 6031 slides along the lower sliding groove 6032, thereby driving the multiple supporting clamps 602 to move closer to or away from each other at the same time.

[0102] In order to meet the assembly of various specifications of starter permanent magnet stators 1 with different diameters, preferably, the lower mounting frame 4 includes a lower mounting base 401 and a positioning plate 402 mounted on the lower mounting base 401; the lower mounting base 401 has a horizontal processing surface 4011, and the horizontally arranged positioning plate 402 is located above the horizontal processing surface 4011; the assembly operation window includes a coaxial and connected upper window and a lower window, the upper window is opened in the middle of the positioning plate 402, and the lower window is opened on the lower mounting base 401; the inner diameter of the upper window is smaller than the inner diameter of the lower window; the positioning structure is arranged on the positioning plate 402. The clamping block 6022 extends upward from the lower window and the upper window, and the top of the clamping block 6022 is higher than the upper surface of the positioning plate 402. The positioning plate 402 can be installed on the lower mounting base 401 by bolts. By replacing positioning plates 402 of different sizes, the assembly of various specifications of starter permanent magnet stators 1 of different diameters can be met.

[0103] In order to facilitate the later maintenance and overhaul of the equipment, it is preferred that a fourth driving mechanism 11 is installed on the frame 2, and the fourth driving mechanism 11 drives the lower mounting frame 4 to perform vertical linear motion; the lower mounting frame 4 is slidably installed on the frame 2. The fourth driving mechanism 11 drives the lower mounting frame 4 to move upward, so that the bottom of the lower mounting frame 4 is higher than the top of the supporting clamp 602, and the lower assembly tool 6 can be maintained and overhauled without removing the lower mounting frame 4.

[0104] In order to improve the stability of the up and down movement of the upper mounting frame 3, preferably, the upper mounting frame 3 is connected to the frame 2 via a third linear motion guide structure 10, and the third linear motion guide structure 10 guides in the vertical direction.

[0105] The first driving mechanism 7 , the second driving mechanism 8 , the third driving mechanism 9 and the fourth driving mechanism 11 may all be hydraulic cylinders, pneumatic cylinders or electric push rods.

[0106] As a preferred embodiment, a vertically arranged limit column 12 is further included, the upper end of which is connected to the upper mounting frame 3, and a through hole 4012 coaxially arranged with the limit column 12 is provided on the lower mounting base 401. By providing the limit column 12, the maximum descending height of the upper mounting frame 3 is controlled, thereby improving the reliability of the device.

[0107] As a preferred embodiment, a second adjustable tooth structure is also included, and the second adjustable tooth structure includes a third rack 606 and a fourth rack 607 that mesh with each other; the third rack 606 is arranged at the bottom of the lower mounting block 6023; the fourth rack 607 is arranged at the top of the lower slider 6031; the length direction of the third rack 606 and the length direction of the fourth rack 607 are both parallel to the length direction of the lower slide groove 6032. Through the cooperation of the third rack 606 and the fourth rack 607, the support clamp 602 is prevented from being displaced along the straight line direction close to the processing positioning center L due to excessive force. Specifically, the lower mounting block 6023 is connected to the lower slider 6031 by a second bolt.

Claims

1. The assembly machine of the permanent magnet stator of the automobile starter is characterized by: It comprises a frame (2), an upper mounting frame (3), an upper assembly tool (5), a lower mounting frame (4) and a lower assembly tool (6); The frame (2) is provided with a first driving mechanism (7) for driving the upper mounting frame (3) to perform vertical linear motion; the upper mounting frame (3) is provided with an upper assembly tool (5) arranged corresponding to and used in conjunction with the lower assembly tool (6); The upper assembly tool (5) has a push assembly, the push assembly includes a push piece (502), a plurality of the push pieces (502) are provided, and the plurality of the push pieces (502) are evenly distributed around the circumference of the machining positioning center L; the plurality of the push pieces (502) are moved closer to each other or away from each other at the same time through the second driving mechanism (8); The lower mounting frame (4) is mounted on the frame (2), and an assembly operation window is provided on the lower mounting frame (4), and a positioning structure is provided to fix the position of the middle body shell (101) during assembly; The lower assembly tool (6) is installed on the frame (2) and has a support clamping assembly arranged opposite to the push assembly, the support clamping assembly includes a support clamping member (602), and the support clamping portion of the support clamping member (602) extends upward from the assembly operation window; the support clamping member (602) is provided in plurality, and the plurality of support clamping members (602) are evenly distributed around the circumference of the positioning machining center L; a push channel (605) is provided between the support clamping portions of two adjacent support clamping members (602), and the push channel (605) allows the push portion of the push member (502) to vertically extend in or out, and to perform linear reciprocating motion in a direction from approaching the machining positioning center L to away from the machining positioning center L; the plurality of support clamping members (602) simultaneously approach or move away from each other through a third driving mechanism (9).

2. The assembly machine for the permanent magnet stator of the automobile starter according to claim 1, characterized in that: The upper assembly tool (5) further comprises an upper mounting seat (501) connected to the upper mounting frame (3), and the upper mounting seat (501) is located below the upper mounting frame (3); The push member (502) is connected to the upper mounting seat (501) via a first linear motion guide structure (503), and the first linear motion guide structure (503) guides along a linear direction from close to the machining positioning center L to far away from the machining positioning center L.

3. The assembly machine for the permanent magnet stator of the automobile starter according to claim 2, characterized in that: The first linear motion guide structure (503) comprises an upper sliding block (5031) and an upper sliding groove (5032) that are slidably matched; The upper slide groove (5032) with an opening facing downward is arranged on the upper mounting seat (501), one end of the upper slide groove (5032) is close to the processing positioning center L, and the other end is far away from the processing positioning center L; The upper slider (5031) is connected to the push member (502); an upper limit block (507) is provided on one side or both sides in the width direction of the upper slider (5031).

4. The assembly machine for the permanent magnet stator of the automobile starter according to claim 3, characterized in that: The push member (502) comprises an upper mounting block (5021) and a push rod (5022) vertically arranged on the upper mounting block (5021); The push rod (5022) is located below the end of the upper mounting block (5021) adjacent to the machining positioning center L, and the push rod (5022) serves as the push portion; the upper mounting block (5021) is connected to the upper sliding block (5031); The push channel (605) allows the push rod (5022) to vertically extend into or extend out, and to perform linear reciprocating motion in a direction from close to the processing positioning center L to away from the processing positioning center L.

5. The assembly machine for the permanent magnet stator of the automobile starter according to claim 3, characterized in that: The second driving mechanism (8) drives the plurality of push members (502) to move closer to each other or away from each other simultaneously through the first transmission structure; The first transmission structure comprises a first inclined surface (5041) and a second inclined surface (5034) used in conjunction with each other; A vertically arranged upper installation channel (5033) is provided in the middle of the upper installation seat (501), and the upper slide groove (5032) is connected to the upper installation channel (5033); The output end of the second driving mechanism (8) is connected to a first pushing block (504) extending into the upper mounting channel (5033); the first inclined surface (5041) is arranged on the first pushing block (504); the first inclined surface (5041) is arranged to be inclined downward from a direction away from the machining positioning center L to a direction close to the machining positioning center L; The second inclined surface (5034) is arranged on the upper sliding block (5031) and is located at an end thereof adjacent to the machining positioning center L.

6. The assembly machine for the permanent magnet stator of the automobile starter according to claim 2, characterized in that: The lower assembly tool (6) further comprises a lower mounting seat (601) connected to the frame (2), and the lower mounting seat (601) is located below the lower mounting frame (4); The support clamp (602) is connected to the lower mounting seat (601) via a second linear motion guide structure (603), and the second linear motion guide structure (603) guides along a linear direction from close to the processing positioning center L to away from the processing positioning center L.

7. The assembly machine for the permanent magnet stator of the automobile starter according to claim 6, characterized in that: The second linear motion guide structure (603) comprises a lower sliding block (6031) and a lower sliding groove (6032) that are slidably matched; The downward sliding groove (6032) with an upward opening is arranged on the lower mounting seat (601), one end of the downward sliding groove (6032) is close to the processing positioning center L, and the other end is far away from the processing positioning center L; The supporting clamp (602) is connected to the lower sliding block (6031).

8. The assembly machine for the permanent magnet stator of the automobile starter according to claim 7, characterized in that: The supporting clamp (602) comprises a supporting block (6021) and a clamping block (6022) arranged on the supporting block (6021); The support block (6021) is connected to the lower sliding block (6031); the support block (6021) and the clamping block (6022) together serve as the support clamping portion; The distance from the outer side surface of the support block (6021) to the machining positioning center L is greater than the distance from the outer side surface of the clamping block (6022) to the machining positioning center L, and a step structure is formed; the upper surface of the support block (6021) serves as a supporting placement surface for placing the magnetic steel tile (102) and the retaining spring (103); The clamping block (6022) is provided with a magnetic steel tile abutment surface (6024) and a retaining spring clamping surface (6025), and the magnetic steel tile abutment surface (6024) and the retaining spring clamping surface (6025) are both located on the side of the clamping block (6022) away from the processing positioning center L; two retaining spring clamping surfaces (6025) are provided, and the magnetic steel tile abutment surface (6024) is located between the two retaining spring clamping surfaces (6025).

9. The assembly machine for the permanent magnet stator of the automobile starter according to claim 8, characterized in that: The support clamp (602) further comprises a lower mounting block (6023) arranged at the lower end of the support block (6021), and the lower mounting block (6023) is located on a side of the support block (6021) away from the machining positioning center L; The lower mounting block (6023) is connected to the lower sliding block (6031).

10. The assembly machine for the permanent magnet stator of the automobile starter according to claim 7, characterized in that: The third driving mechanism (9) drives the plurality of supporting clamps (602) to move closer to each other or away from each other simultaneously through the second transmission structure; The second transmission structure comprises a third inclined plane (6041) and a fourth inclined plane (6034) used in conjunction with each other; A lower mounting channel (6033) is provided in the middle of the lower mounting seat (601), the lower mounting channel (6033) is coaxially arranged with an upper mounting channel (5033) provided in the middle of the upper mounting seat (501), and the lower sliding groove (6032) is in communication with the lower mounting channel (6033); The output end of the third driving mechanism (9) is connected to a second pushing block (604) extending into the lower mounting channel (6033); the third inclined surface (6041) is arranged on the second pushing block (604), and the third inclined surface (6041) is arranged to be inclined downward from a direction close to the machining positioning center L to a direction away from the machining positioning center L; The fourth inclined surface (6034) is disposed on the lower slider (6031) and is located at an end thereof adjacent to the machining positioning center L.

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