Stator core magnetic sheet assembling equipment and assembling method thereof

Abstract

The invention relates to the technical field of stator iron core assembling, in particular to stator iron core magnetic sheet assembling equipment and an assembling method thereof.The stator iron core magnetic sheet assembling equipment comprises a main machine frame, a stator transferring mechanism matched with the main machine frame, a feeding and discharging mechanism installed on the main machine frame, a material distributing mechanism and a stator assembling mechanism; the feeding and discharging mechanism comprises a first feeding table, a second feeding table and a material box carrying mechanism, wherein the first feeding table and the second feeding table are arranged on the main rack in parallel, and the material box carrying mechanism corresponds to the first feeding table and the second feeding table. The material distributing mechanism comprises a material distributing rack, a connecting assembly installed on the material distributing rack and a plurality of groups of material distributing devices symmetrically installed on the connecting assembly. A material pushing device corresponding to the material distributing device is arranged between the first feeding table and the second feeding table. The stator assembling mechanism comprises a fixing frame installed on the main machine frame and a magnetic core assembling mechanism which is installed on the fixing frame and corresponds to the material distributing device. According to the invention, the magnetic sheets can be efficiently assembled on the stator iron core, the machine type switching is fast, the product type changing is simple, the compatibility is good, the whole machine structure is simple, and the cost is low.

Description

Technical Field

[0001] The present invention relates to the technical field of stator core assembly, and particularly to a stator core magnetic sheet assembly device and an assembly method thereof. Background Art

[0002] In the current household appliance industry, especially refrigeration equipment, compressors are required, and the stator core part in the compressor is the most important part. In current production, for assembling magnetic sheets on the stator core, there are the following several methods:

[0003] 1. Manual assembly: Manually install the magnetic sheets into the stator core; currently, this method is the mainstream method. Due to the short production cycle of the product (not more than 6.5 s / pcs), for multi-sheet cores, more workers are required to manually assemble the cores simultaneously to meet the requirements; the production efficiency is low, and the labor intensity of workers is high.

[0004] 2. Use multi-axis robots / robotic arms and automated mechanisms for auxiliary assembly; the characteristic of this method is to simulate the manual assembly method with machines, provide materials automatically, and use robots or robotic arms to grab and insert them into the core one by one; compared with the manual method, the efficiency of this method has been improved, but since it still uses the method of inserting one by one, the efficiency of a single machine / single station still cannot meet the requirements. For multi-sheet cores (taking the 16-sheet type as an example), 3-4 assembly stations are still required to meet the beat requirements; in addition, due to product differences, a large number of toolings need to be replaced when the overall equipment switches models, and quite a few products cannot be compatible; essentially, this assembly method is the same as the manual assembly method.

[0005] With the continuous growth of the demand and technology in the household appliance industry, the diversity changes have led to an increase in the types of refrigeration equipment. The existing production modes and rhythms cannot meet the production requirements. Therefore, a stator core magnetic sheet assembly device that can produce quickly and switch models quickly for different types of stator cores is needed. Summary of the Invention

[0006] In order to overcome the above-mentioned deficiencies, the purpose of the present invention is to provide a stator core magnetic sheet assembly device and an assembly method thereof, which can achieve efficient assembly of magnetic sheets on the stator core, with fast model switching, simple product model change, good compatibility, and realize efficient assembly of magnetic sheets. In addition, the overall structure of the machine is simple and the cost is relatively low.

[0007] The technical solution of the present invention is a stator core magnetic sheet assembly device, including a main frame, a stator transfer mechanism cooperating with the main frame, a loading and unloading mechanism, a material distribution mechanism, and a stator assembly mechanism installed on the main frame. It also includes a stator magnetic sheet cartridge and a push clamp cylinder installed on the main frame. The loading and unloading mechanism includes a first feeding table and a second feeding table arranged in parallel on the main frame, and a cartridge handling mechanism corresponding to the first feeding table and the second feeding table. The material distribution mechanism includes a material distribution frame, a connection component installed on the material distribution frame, and multiple groups of material distribution devices symmetrically installed on the connection component. A pushing device corresponding to the material distribution device is provided between the first feeding table and the second feeding table. The stator assembly mechanism includes a fixed frame installed on the main frame, a magnetic core assembly mechanism installed on the fixed frame and corresponding to the material distribution device, and a lower mounting plate connected to the stator transfer mechanism is also provided at the lower part of the fixed frame. The stator transfer mechanism includes a mounting frame, a first stator conveyor line and a second stator conveyor line arranged on the mounting frame, and a lifting and positioning mechanism corresponding to the stator assembly mechanism is also provided on the mounting frame. The lifting and positioning mechanism includes a lifting and positioning cylinder and a lifting plate installed at the front end of the lifting and positioning cylinder. Stator support plates corresponding to the lifting plate are placed on the first stator conveyor line and the second stator conveyor line. The stator magnetic sheet cartridge is placed on the loading and unloading mechanism.

[0008] Further, the material distribution frame is fixed to the edge of the main frame and corresponds to the middle of the first feeding table. There are two groups of material distribution devices in total. The material distribution device includes a back fixing plate installed on the connection component. A material distribution cylinder, a positioning cylinder, and an insert guide seat installed between the material distribution cylinder and the positioning cylinder are provided on the back fixing plate. The material distribution cylinder is vertically installed at the upper part of the back fixing plate, and the front end of the material distribution cylinder is connected to an insert mounting seat corresponding to the insert guide seat. Multiple groups of inserts are provided on the insert mounting seat. One end of the insert is fixed on the insert mounting seat and the other end is inserted into the insert guide seat and can move within the insert guide seat. The positioning cylinder is horizontally installed at the lower part of the back fixing plate and corresponds to the stator magnetic sheet cartridge. A cartridge positioning plate is provided at the front end of the positioning cylinder, and a positioning rod is provided on the cartridge positioning plate.

[0009] Further, there are two groups of pushing devices corresponding to the material distribution devices in total. The pushing device includes a fixed support frame, a horizontal mounting frame installed on the top of the fixed support frame. A screw motor, a pushing slide rail, and a pushing slider installed on the pushing slide rail are provided on the horizontal mounting frame. A mounting plate is provided on the pushing slider, and the mounting plate is connected to a pushing plate. The pushing plate is connected to the mounting plate through an L-shaped connecting arm. The screw motor also includes a screw, and a connecting block is provided at the top of the screw. The connecting block is connected to the mounting plate again. A push claw corresponding to the stator magnetic sheet cartridge is provided on the pushing plate. The two groups of pushing devices are symmetrically installed on the main frame between the first feeding table and the second feeding table and correspond to the positions of the material distribution devices.

[0010] Further, there are two sets of the cartridge handling mechanisms, which are respectively arranged between the two ends of the first feeding table and the second feeding table; the cartridge handling mechanism includes a fixed column installed on the main frame and a transverse truss installed at the upper end of the fixed column; a telescopic cylinder is arranged on the upper side of the transverse truss, and a stepping track groove, a handling slide rail and a handling slider installed on the handling slide rail are also arranged on the transverse truss; a handling cylinder is arranged on the handling slider; the handling cylinder is connected to the telescopic cylinder through a long connecting arm; a stepping track is installed in the stepping track groove, one end of the stepping track is connected to the long connecting arm, and the other end is fixed in the stepping track groove; a claw is connected to the front end of the handling cylinder; the telescopic cylinder further includes a cylinder telescopic rod, one end of the long connecting arm is connected to the telescopic cylinder rod, and the other end is connected to the back of the handling cylinder.

[0011] Further, a first driving motor and a first synchronization mechanism connected to the first driving motor are arranged at one end of the first feeding table, and a second synchronization mechanism is arranged at the other end of the first feeding table; a second driving motor and a third synchronization mechanism connected to the second driving motor are arranged at one end of the second feeding table, and a fourth synchronization mechanism is arranged at the other end of the second feeding table; both between the first synchronization mechanism and the second synchronization mechanism and between the third synchronization mechanism and the fourth synchronization mechanism are connected by two parallel double-speed chains.

[0012] Further, the stator magnet sheet cartridge includes a cartridge groove body and a support strip located at the bottom of the cartridge groove body; a front sealing plate is arranged at one end of the cartridge groove body, and a rear sealing plate is arranged at the other end. An upper sealing plate that fits with the front sealing plate is arranged at the upper part of the cartridge groove body on one side of the front sealing plate. An insertion sheet guide hole corresponding to the insertion sheet guide seat is arranged between the upper part of the front sealing plate and the upper sealing plate; a positioning sleeve corresponding to the positioning rod is arranged on the front sealing plate; there are eight groups of the insertion sheet guide holes; eight groups of material channels are equally divided inside the cartridge groove body and correspond to the insertion sheet guide holes one by one; magnets are installed in the material channels, and a magnet discharge port is arranged between the lower part of the front sealing plate and the cartridge groove body; the rear sealing plate is provided with a sealing column corresponding to the material channel, and a positioning ring is also arranged on the rear sealing plate.

[0013] Further, there are two sets of the magnetic core assembly mechanisms corresponding to the material distribution devices, including a limiting plate connected to the fixed frame, a stator magnet sheet material channel body corresponding to the discharge port, and a guiding die installed at the lower part of the stator magnet sheet material channel body. A clamping groove is arranged at the front end of the limiting plate, and the guiding die is clamped into the clamping groove; the stator magnet sheet material channel body includes an internal magnet sheet material channel; there are eight groups of the magnet sheet material channels, which respectively correspond to the insertion sheet guide holes; eight groups of openings corresponding to the magnet sheet material channels are arranged on the guiding die; a positioning pin is arranged at the center position of the bottom of the guiding die.

[0014] Further, an expanding groove cylinder and a pressing cylinder are also arranged on the main frame on one side of the material distribution mechanism.

[0015] Further, a first assembly position and a second assembly position are provided on the first stator conveying line corresponding to the magnetic core assembly mechanism, and two groups of lifting and positioning mechanisms are provided and respectively correspond to the first assembly position and the second assembly position.

[0016] A magnetic sheet assembling method for a stator core magnetic sheet assembling device includes the following steps:

[0017] S1. First, place the stator magnetic sheet cartridge filled with stator magnetic sheets on the second feeding table of the loading and unloading mechanism through an external device or manually. Transfer the stator magnetic sheet cartridge to the cartridge handling mechanism through the second feeding table. Then, the cartridge handling mechanism transports the stator magnetic sheet cartridge from the second feeding table to the first feeding table, and then the first feeding table conveys the stator magnetic sheet cartridge to the assembly position at the material distribution mechanism.

[0018] S2. When it is detected that the stator magnetic sheet cartridge reaches the specified position on the first feeding table and stops, the positioning cylinder works to position the stator magnetic sheet cartridge through the positioning rod. Then, the push clamp cylinder works to clamp the stator magnetic sheet cartridge forward. At the same time, the stator transfer mechanism works to transfer the stator tray with the stator core to the assembly position corresponding to the material distribution mechanism. The lifting and positioning cylinder jacks up to mutually position and press the stator core against the guiding die. After the stator magnetic sheet cartridge is successfully positioned and clamped, and the work of pressing the stator core against the guiding die is completed, then the pushing device works and the push claws enter the material channel to push the magnetic sheets in the material channel towards the material distribution device side.

[0019] S3. While the pushing device pushes the magnetic sheets forward, the material distribution device works. The material distribution cylinder moves downward to drive the inserting piece to discharge the magnetic sheets from the stator magnetic sheet cartridge through the magnetic sheet discharge port. The magnetic sheets fall into the stator magnetic sheet channel body and are injected into the guiding die through the magnetic sheet channel. Under the limiting action of the guiding die, they finally fall into the stator core workpiece grooves docked with the guiding die by gravity to complete the assembly of the magnetic sheets. Then, they are transported to the next working station through the first stator conveying line.

[0020] The beneficial effect of the present invention lies in a stator core magnetic sheet assembling device and its assembling method. When in use, the magnetic sheets are loaded into a special stator magnetic sheet cartridge, and then are separated one by one from the stator magnetic sheet cartridge through the material distribution mechanism, and then fall into the stator core through the stator magnetic sheet channel body and the guiding die. The equipment combined with its unique method has the characteristics of fast assembly and convenient model conversion. Relying on the self-weight of the magnetic sheets and the guidance of the magnetic sheet channel, they naturally fall into the stator core to complete the assembly. Multiple magnetic sheets can be assembled simultaneously, and the assembly time is short. For workpieces of different sheet types, only need to replace different stator magnetic sheet cartridges, stator magnetic sheet channel bodies and material distribution mechanisms to achieve compatibility, and the model conversion is simple. It has the following advantages:

[0021] 1. The assembly efficiency of the stator core magnetic sheets is extremely high, and the overall cycle time can reach within 5 s / pcs (the target requirement is not more than 6.5 s / pcs);

[0022] 2. The product model switching is very simple. Only the corresponding tooling needs to be replaced, and the model change time is not more than 10 min;

[0023] 3. The overall structure of the machine is simple, the cost is low, and the compatibility is good, which can adapt to the production of a variety of different machines. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] For ease of explanation, the present invention will be described in detail by the following preferred embodiments and accompanying drawings.

[0025] Figure 1 It is a schematic diagram of the overall structure of an apparatus for assembling stator core magnetic sheets according to the present invention;

[0026] Figure 2 It is a schematic diagram of the overall structure of an apparatus for assembling stator core magnetic sheets according to the present invention Figure 1 ;

[0027] Figure 3 It is a schematic diagram of the overall structure of an apparatus for assembling stator core magnetic sheets according to the present invention Figure 2 ;

[0028] Figure 4 It is a schematic diagram of the structure of the stator transfer mechanism in an apparatus for assembling stator core magnetic sheets according to the present invention;

[0029] Figure 5 It is a schematic diagram of the structure of the stator assembly mechanism in an apparatus for assembling stator core magnetic sheets according to the present invention;

[0030] Figure 6 It is a schematic diagram of the structure of the magazine handling mechanism in an apparatus for assembling stator core magnetic sheets according to the present invention;

[0031] Figure 7 It is a schematic diagram of the structure of the pusher device in an apparatus for assembling stator core magnetic sheets according to the present invention;

[0032] Figure 8 It is a schematic diagram of the structure of the sorting device in an apparatus for assembling stator core magnetic sheets according to the present invention;

[0033] Figure 9 It is a schematic diagram of the structure of the stator magnetic sheet magazine in an apparatus for assembling stator core magnetic sheets according to the present invention Figure 1 ;

[0034] Figure 10 It is a schematic diagram of the combined structure of the sorting device and the stator magnetic sheet magazine in an apparatus for assembling stator core magnetic sheets according to the present invention Figure 1 ;

[0035] Figure 11Schematic diagram of the stator magnetic sheet cartridge structure in a stator core magnetic sheet assembly device of the present invention Figure 2 ;

[0036] Figure 12 Schematic diagram of the combined structure of the material distribution device and the stator magnetic sheet cartridge in a stator core magnetic sheet assembly device of the present invention Figure 2 ;

[0037] Figure 13 Schematic diagram of the stator magnetic sheet channel body structure in a stator core magnetic sheet assembly device of the present invention;

[0038] Figure 14 Schematic diagram of the guiding die structure in a stator core magnetic sheet assembly device of the present invention.

[0039] Reference numerals: main frame 1, stator transfer mechanism 2, loading and unloading mechanism 3, material distribution mechanism 4, stator assembly mechanism 5, stator magnetic sheet cartridge 6, push clamp cylinder 7, top fixing plate 71, first feeding table 31, second feeding table 32, cartridge handling mechanism 33, material distribution frame 41, connecting component 42, material distribution device 43, pushing device 11, fixing frame 51, magnetic core assembly mechanism 52, lower mounting plate 511, mounting frame 21, first stator conveying line 22, second stator conveying line 23, lifting and positioning mechanism 24, lifting and positioning cylinder 241, lifting plate 242, stator support plate 25, back fixing plate 431, material distribution cylinder 432, positioning cylinder 433, inserting sheet guide seat 434, inserting sheet mounting seat 435, inserting sheet 436, cartridge positioning plate 437, positioning rod 438, fixed support frame 111, horizontal mounting frame 112, screw motor 113, pushing slide rail 114, pushing slider 115, mounting plate 116, pushing plate 117, L-shaped connecting arm 118, screw 1131, connecting block 1132, pushing claw 119, fixed column 331, horizontal truss 332, telescopic cylinder 333, stepping track groove 334, handling slide rail 335, handling slider 336, handling cylinder 34, long connecting arm 35, stepping track 36, supporting claw 37, cylinder expansion link 337, first driving motor 311, first synchronization mechanism 313, second synchronization mechanism 312, second driving motor 321, third synchronization mechanism 323, fourth synchronization mechanism 322, double-speed chain 38, cartridge groove body 61, front sealing plate 62, rear sealing plate 63, sealing material column 631, positioning ring 632, inserting sheet guide groove 64, positioning sleeve 65, supporting strip 611, material channel 66, magnetic sheet 8, upper sealing plate 67, magnetic sheet discharge port 68, limiting plate 521, stator magnetic sheet channel body 522, guiding die 523, opening 5231, positioning pin 5232, clamping groove 5211, magnetic sheet channel 5221, slot expansion cylinder 12, pressing cylinder 13, first assembly position 221, second assembly position 222, groove 621, slot 671, stator core 10. Detailed implementation manners

[0040] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention. It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments may be combined with each other.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly defined and limited, the terms "mounted", "connected" and "coupled" should be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] The following further describes a stator core magnetic sheet assembly device and its assembly method according to the present invention with reference to the accompanying drawings:

[0043] As Figure 1-14A stator core magnetic sheet assembly device shown in the figure includes a main frame 1, a stator transfer mechanism 2 cooperating with the main frame 1, a loading and unloading mechanism 3, a material separation mechanism 4, and a stator assembly mechanism 5 installed on the main frame 1. It also includes a stator magnetic sheet cartridge 6 and a push clamp cylinder 7 installed on the main frame 1. A top fixing plate 71 is provided at the front end of the push clamp cylinder. The loading and unloading mechanism 3 includes a first feeding table 31 and a second feeding table 32 arranged in parallel on the main frame 1, and a cartridge handling mechanism 33 corresponding to the first feeding table 31 and the second feeding table 32. The stator magnetic sheet cartridge 6 includes a cartridge trough 61 and a support strip 611 located at the bottom of the cartridge trough 61. The support strip is made of a material with a relatively high coefficient of friction to ensure that the stator magnetic sheet cartridge 6 is smoothly transported to the designated position on the first feeding table 31 and the second feeding table 32. One end of the cartridge trough 61 is provided with a front sealing plate 62, and the other end is provided with a rear sealing plate 63. An upper sealing plate 67 that fits with the front sealing plate 62 is provided above the cartridge trough 61 at the end where the front sealing plate 62 is installed. A vertically penetrating groove 621 is provided on the side of the front sealing plate 62 facing the stator magnetic sheet cartridge 6. A slot 671 corresponding to the groove is provided on the upper part of the upper sealing plate 67. After the upper part of the front sealing plate and the upper sealing plate are tightly attached to each other, an insertion sheet guide hole 64 formed by the combination of the groove 621 and the slot 671 corresponds to the insertion sheet guide seat 434. A positioning sleeve 65 corresponding to the positioning rod 438 is also provided on the front sealing plate 62. There are eight groups of insertion sheet guide holes 64. Eight groups of material channels 66 are equally divided inside the cartridge trough 61 and correspond to the insertion sheet guide holes 64 one by one. Magnetic sheets 8 are installed in the material channels. A magnetic sheet discharge port 68 is formed between the groove 621 at the lower part of the front sealing plate 62 and the cartridge trough 61. The magnetic sheets are pushed out from the material channels and fall out from the magnetic sheet discharge port 68. The rear sealing plate 63 is provided with a sealing column 631 corresponding to the material channel, and a positioning ring 632 is also provided on the rear sealing plate 63. When the push clamp cylinder 7 clamps the stator magnetic sheet cartridge 6, the top fixing plate 71 contacts the positioning ring.

[0044] In this embodiment, as Figure 1 、 Figure 2 、 Figure 3 、 Figure 6There are two sets of the cartridge handling mechanism 33 shown, which are respectively used for loading and unloading. The two sets of cartridge handling mechanisms 33 are symmetrically arranged between the two ends of the first feeding table 31 and the second feeding table 32; the cartridge handling mechanism 33 includes a fixed column 331 installed on the main frame 1 and a transverse truss 332 installed at the upper end of the fixed column 331; a telescopic cylinder 333 is arranged on the upper side of the transverse truss 332, and a stepping track groove 334, a handling slide rail 335 and a handling slider 336 installed on the handling slide rail 335 are also arranged on the transverse truss 332; a handling cylinder 34 is arranged on the handling slider 336; the handling cylinder 34 is connected to the telescopic cylinder 333 through a long connecting arm 35; a stepping track 36 is installed in the stepping track groove 334, one end of the stepping track 36 is connected to the long connecting arm 35, and the other end is fixed in the stepping track groove 334; the front end of the handling cylinder 34 is connected with a claw 37; the telescopic cylinder 333 further includes a cylinder telescopic rod 337, one end of the long connecting arm 35 is connected to the telescopic cylinder rod 333, and the other end is connected to the back of the handling cylinder 34. During use, the telescopic cylinder 333 drives the handling cylinder 34 to reciprocate on the handling slide rail 335, and its stroke is always maintained between the first feeding table 31 and the second feeding table 32. When feeding is required, the telescopic cylinder drives the handling cylinder 34 to the second feeding table, and then the handling cylinder 34 works to drive the claw 37 to move downward. The claw is at the middle of the double-chain structure of the second feeding table and is flush with the upper part of the second feeding table. Then the second feeding table works to transfer the stator magnet sheet cartridge 6 to the claw. When the distance sensor (not marked) senses that the stator magnet sheet cartridge 6 reaches the preset position, the handling cylinder 34 lifts the claw upward, and then the telescopic cylinder transfers the handling cylinder 34 to the first feeding table. The handling cylinder 34 moves downward to place the stator magnet sheet cartridge 6 on the claw on the double-chain structure of the first feeding table. Then the first feeding table transfers the stator magnet sheet cartridge 6 to the material distribution mechanism 4, and then the first feeding table stops working and starts the material distribution work. The overall structures of the first feeding table and the second feeding table are the same, mainly with opposite traveling directions. The first feeding table mainly transports the stator magnet sheet cartridge to the material distribution mechanism and at the same time transports the empty stator magnet sheet cartridge to the unloading mechanism of the cartridge handling mechanism 33, while the main function of the second feeding table is to transport the stator magnet sheet cartridge to the loading mechanism of the cartridge handling mechanism 33; in order to ensure the synchronization of the double-chain structure, a first driving motor 311 is arranged at one end of the first feeding table 31, and a first synchronization mechanism 313 connected to the first driving motor 311 is arranged at the other end of the first feeding table 31; a second synchronization mechanism 312 is arranged at the other end of the first feeding table 31; a second driving motor 321 is arranged at one end of the second feeding table 32, and a third synchronization mechanism 323 connected to the second driving motor is arranged at the other end of the second feeding table 32; a fourth synchronization mechanism 322 is arranged at the other end of the second feeding table 32; two parallel double-speed chains are connected between the first synchronization mechanism and the second synchronization mechanism and between the third synchronization mechanism and the fourth synchronization mechanism.

[0045] In this embodiment, as Figure 3 , Figure 10 , Figure 12 shown, the material distributing mechanism 4 is composed of a material distributing frame 41, a connecting component 42 installed on the material distributing frame 41, and two groups of material distributing devices 43 symmetrically installed on the connecting component 42. The material distributing frame 41 is fixed on the edge of the main frame 1 on the side of the first feeding table 31 and corresponds to the middle part of the first feeding table 31, facilitating the material distributing work. The stator magnetic sheet cassette 6 just corresponds to the material distributing device 43 driven by the first feeding table 31. In order to improve work efficiency, two groups of material distributing devices 43 are provided and symmetrically installed on the connecting component 42. Each group of material distributing devices 43 can correspond to a stator magnetic sheet cassette at the same time, and eight groups of magnetic sheets can be assembled into the stator core from the cassette at the same time. The material distributing device 43 includes a back fixing plate 431 installed on the connecting component 42, a material distributing cylinder 432, a positioning cylinder 433 installed on the back fixing plate 431, and an inserting sheet guide seat 434 located between the material distributing cylinder 432 and the positioning cylinder 433. The material distributing cylinder 432 is installed vertically downward, and its cylinder body is fixed on the upper part of the back fixing plate 431. An inserting sheet mounting seat 435 is provided on the cylinder rod (not marked) at the front end of the material distributing cylinder 432. The inserting sheet mounting seat 435 corresponds to the inserting sheet guide seat 434, and eight groups of inserting sheets 436 are provided on the inserting sheet mounting seat 435. The upper ends of the inserting sheets 436 are fixed on the inserting sheet mounting seat 435, and the lower ends are inserted into the inserting sheet guide seat 434 and can move within the inserting sheet guide seat 434. The magnetic sheets in the stator magnetic sheet cassette 6 can be pushed out downward from the stator magnetic sheet cassette 6 by the inserting sheets and then fall out through the magnetic sheet discharge port 68. The positioning cylinder 433 is installed horizontally at the lower part of the back fixing plate 431 and corresponds to the stator magnetic sheet cassette 6. A cassette positioning plate 437 is provided at the front end of the positioning cylinder 433, and a positioning rod 438 is provided on the cassette positioning plate 437. During work, the positioning cylinder pushes the cassette positioning plate 437 forward, and the positioning rod 438 on the cassette positioning plate 437 is inserted into the positioning sleeve 65 provided on the front sealing plate 62 of the stator magnetic sheet cassette 6 to position the stator magnetic sheet cassette 6. The push-clamping cylinder 7 clamps the stator magnetic sheet cassette 6 forward to ensure that the stator magnetic sheet cassette 6 will not be displaced during work.

[0046] In this embodiment, as Figure 3 , Figure 7There are two sets of pusher devices 11 corresponding to the material distribution device 43 respectively between the first feeding table 31 and the second feeding table 32 as shown; there are two sets of pusher devices 11 provided on the main frame in total, corresponding to the two sets of material distribution devices 43 one by one. The pusher devices 11 are located inside the material box handling mechanism 33 and are also symmetrically arranged. The pusher device 11 includes a fixed support frame 111, a horizontal mounting frame 112 mounted on the top of the fixed support frame 111. A lead screw motor 113, a pusher slide rail 114 and a pusher slider 115 mounted on the pusher slide rail 114 are provided on the horizontal mounting frame 112. The pusher slider can move on the pusher slide rail. A mounting plate 116 is provided on the pusher slider 115. The mounting plate 116 is connected with a pusher plate 117. The pusher plate 117 is connected to the mounting plate 116 through an L-shaped connecting arm 118. The L-shaped connecting arm 118 is detachably mounted on the mounting plate and can adjust its position on the mounting plate; the lead screw motor 113 further includes a lead screw 1131. A connecting block 1132 is provided at the top of the lead screw 1131, and the connecting block 1132 is connected to the mounting plate 116 again; eight groups of pusher claws 119 corresponding to the stator magnet sheet box 6 are provided on the pusher plate 117. A total of eight groups of claw teeth (not marked) are provided on the pusher claws 119, corresponding to the eight groups of material channels of the stator magnet sheet box 6. The magnet sheets in the stator magnet sheet box 6 are pushed forward through the claw teeth.

[0047] In this embodiment, as Figure 3 , Figure 8 , Figure 9 , Figure 10 , Figure 12The stator assembly mechanism 5 shown is located directly below the material separating device 43 and corresponds to the material separating device 43, facilitating the direct assembly of the magnetic chips after they fall out of the stator magnetic chip magazine 6, improving work efficiency. The stator assembly mechanism 5 includes a fixed frame 51 installed on the main frame 1 and a magnetic core assembly mechanism 52 installed on the fixed frame 51 and corresponding to the material separating device 43. There are two groups of magnetic core assembly mechanisms 52 corresponding to the material separating device, corresponding one by one to the two groups of material separating devices 43. The material separating device separates the magnetic chips from the stator magnetic chip magazine 6 and then enters the magnetic core assembly mechanism 52 for assembly. The magnetic core assembly mechanism 52 includes a limit plate 521 connected to the fixed frame 51, a stator magnetic chip channel body 522 corresponding to the discharge port, and a guiding die 523 installed below the stator magnetic chip channel body 522. A groove 5211 - shaped structure is provided at the front end of the limit plate 521, and the guiding die 523 is clamped into the groove 5211 to ensure its stability; the stator magnetic chip channel body 522 includes an internal magnetic chip channel 5221; there are eight groups of magnetic chip channels 5221 corresponding to the inserting - piece guide holes 64 respectively, and the eight groups of channels and the eight groups of inserting - piece guide holes 64 correspond to the eight groups of magnetic chip channels 5221; eight groups of openings 5231 are provided on the guiding die 523 corresponding to the magnetic chip channels 5221 respectively, and the lower part of the magnetic chip channel 5221 protrudes and can be inserted into the openings 5231 to ensure that the magnetic chips smoothly enter the inside of the guiding die; a positioning pin 5232 is provided at the center position of the bottom of the guiding die 523, and the positioning pin 5232 corresponds to the stator iron core to ensure that the position of the stator iron core does not shift; in this embodiment, taking the 16 - piece stator iron core 10 mechanism as an example, it is assembled in two stations of 8 pieces + 8 pieces. On the first stator conveying line 22, a first assembly position 221 and a second assembly position 222 are provided corresponding to the two groups of magnetic core assembly mechanisms 52. First, 8 magnetic chips are assembled on the stator iron core 10 at the first assembly position 221, and then it is transferred to the second assembly position 222 to assemble the other 8 magnetic chips. There are two groups of lifting and positioning mechanisms 24, corresponding to the first assembly position 221 and the second assembly position 222 respectively. The stator iron cores 10 at the first assembly position 221 and the second assembly position 222 are closely attached to the guiding die through the lifting and positioning mechanisms to complete the assembly of the magnetic chips; the material separating device 43 and the magnetic core assembly mechanism 52 are set in two groups, with 8 pieces assembled in each group. During work, 8 pieces are assembled first, and then transferred to the next station to assemble 8 pieces, cooperating with each other. The inside of the stator magnetic chip magazine 6 is divided into 8 channels, and the maximum capacity of each channel is 190 pieces, which can meet the feeding requirement for 20 minutes; for different - piece - number models, the number of channels in the magazine can be adjusted accordingly.

[0048] In this embodiment, as Figure 5The lower part of the fixed frame 51 shown is also provided with a lower mounting plate 511 connected to the stator transfer mechanism 2; the stator transfer mechanism 2 includes a mounting frame 21, a first stator conveying line 22 and a second stator conveying line 23 arranged on the mounting frame 21, and the mounting frame 21 is also provided with a lifting and positioning mechanism 24 corresponding to the stator assembly mechanism 5; the lifting and positioning mechanism 24 includes a lifting and positioning cylinder 241 and a lifting plate 242 installed at the front end of the lifting and positioning cylinder 241; the first stator conveying line 22 and the second stator conveying line 23 are provided with a stator support plate 25 corresponding to the lifting plate 242; the stator magnetic sheet material box 6 is placed on the loading and unloading mechanism 3.

[0049] In order to ensure the correct position of the stator core 10 in the early stage of assembly, a slot expansion cylinder 12 and a clamping cylinder 13 are provided on the main frame 1 on one side of the dividing mechanism 4. The slot expansion cylinder 12 adjusts the position of the stator core and fixes it on the stator support plate 25. After the assembly is completed, the magnetic pieces that have not successfully entered the stator core 10 are pressed into the stator core by the clamping cylinder to complete the assembly.

[0050] A magnetic sheet assembly method and assembly process for a stator core magnetic sheet assembly device, firstly, a stator magnetic sheet material box 6 containing stator magnetic sheets is placed on the second feeding table of the loading and unloading mechanism by external equipment or manually, and the stator magnetic sheet material box is transferred to the material box conveying mechanism 33 by the second feeding table, and then the material box conveying mechanism 33 conveys the stator magnetic sheet material box 6 from the second feeding table to the first feeding table, and then the stator magnetic sheet material box 6 is conveyed to the assembly position of the dividing mechanism by the first feeding table; when it is detected that the stator magnetic sheet material box 6 reaches the specified position on the first feeding table and stops, the positioning cylinder 433 works to position the stator magnetic sheet material box 6 through the positioning rod 438, and then the pushing and clamping cylinder 7 works to clamp the stator magnetic sheet material box 6 forward, and at the same time, the stator transfer mechanism 2 works to transfer the stator support plate 25 with the stator core placed on it to the corresponding dividing mechanism. The lifting and positioning cylinder at the assembly position of the material mechanism pushes up to position the stator core and the guide mold 523 tightly against each other. After the stator magnetic sheet material box 6 is successfully positioned and clamped, and the stator core and the guide mold 523 are tightly pressed against each other, the pushing claw 119 of the pushing device enters the material channel 66 to push the magnetic sheets in the material channel 66 to the side of the dividing device 43; while the pushing device pushes the magnetic sheets forward, the dividing mechanism works, and the dividing cylinder moves downward to drive the insert to discharge the magnetic sheets from the stator magnetic sheet material box 6 through the magnetic sheet outlet 68. The magnetic sheets fall into the stator magnetic sheet material channel body 522 and are injected into the guide mold through the magnetic sheet material channel 5221. Under the limiting action of the guide mold, they are finally injected into the stator core workpiece slot that is connected to the guide mold by gravity, completing the assembly of the magnetic sheets, and then they are transported to the next workstation via the first stator conveyor line 22.

[0051] A stator core magnetic sheet assembling device and its assembling method of the present invention. When in use, magnetic sheets are loaded into a dedicated stator magnetic sheet storage box, and then separated one by one from the stator magnetic sheet storage box through a material separation mechanism, and then fall into the stator core through a stator magnetic sheet channel body and a guiding die. The equipment, combined with its unique method, has the characteristics of fast assembling and convenient model conversion. Relying on the self-weight of the magnetic sheets and the guiding of the magnetic sheet channel, the magnetic sheets naturally fall into the stator core to complete the assembly. Multiple magnetic sheets can be assembled simultaneously, and the assembly time is short. For workpieces with different sheet types, only different stator magnetic sheet storage boxes, stator magnetic sheet channel bodies, and material separation mechanisms need to be replaced to achieve compatibility, and the model conversion is simple. It has the following advantages: the assembling efficiency of the stator core magnetic sheet is extremely high, and the overall cycle time can reach within 5 s / piece (the target requirement is not more than 6.5 s / piece); the product model switching is very simple, only the corresponding tooling needs to be replaced, and the model change time is not more than 10 min; the overall structure of the machine is simple, the cost is low, the compatibility is good, and it can adapt to the production of a variety of different machines.

[0052] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stator core magnetic sheet assembly device, comprising a main frame, a stator transfer mechanism matched with the main frame, a loading and unloading mechanism installed on the main frame, a material separation mechanism and a stator assembly mechanism, and also comprising a stator magnetic sheet material box and a push-clamp cylinder installed on the main frame, characterized in that The loading and unloading mechanism includes a first feeding platform and a second feeding platform arranged in parallel on the main frame, and a material box handling mechanism corresponding to the first feeding platform and the second feeding platform; the material dividing mechanism includes a material dividing frame, a connecting component installed on the material dividing frame, and a multi-component material dividing device symmetrically installed on the connecting component; a pushing device corresponding to the material dividing device is provided between the first feeding platform and the second feeding platform; the stator assembly mechanism includes a fixed frame installed on the main frame, a magnetic core assembly mechanism installed on the fixed frame and corresponding to the material dividing device, and a lower mounting plate connected to the stator transfer mechanism is also provided at the lower part of the fixed frame; the stator transfer mechanism includes a mounting frame, a first stator conveying line and a second stator conveying line arranged on the mounting frame, and a lifting and positioning mechanism corresponding to the stator assembly mechanism is also provided on the mounting frame; the lifting and positioning mechanism includes a lifting and positioning cylinder and a lifting plate installed at the front end of the lifting and positioning cylinder; stator support plates corresponding to the lifting plates are placed on the first stator conveying line and the second stator conveying line; the stator magnetic sheet material box is placed on the loading and unloading mechanism.

2. The stator core magnetic sheet assembly equipment according to claim 1, characterized in that: The material dividing frame is fixed on the edge of the main frame and corresponds to the middle part of the first feeding platform; the material dividing device is provided with two groups, and the material dividing device includes a back fixing plate installed on the connecting assembly, and the back fixing plate is provided with a material dividing cylinder, a positioning cylinder and a plug guide seat installed between the material dividing cylinder and the positioning cylinder; the material dividing cylinder is vertically installed on the upper part of the back fixing plate, and the front end of the material dividing cylinder is connected with a plug mounting seat corresponding to the plug guide seat, and the plug mounting seat is provided with multiple groups of plugs; one end of the plug is fixed on the plug mounting seat and the other end is inserted into the plug guide seat and can move in the plug guide seat; the positioning cylinder is horizontally installed at the lower part of the back fixing plate and corresponds to the stator magnetic sheet material box, and the front end of the positioning cylinder is provided with a material box positioning plate, and the material box positioning plate is provided with a positioning rod.

3. The stator core magnetic sheet assembly equipment according to claim 2, characterized in that: There are two groups of pushing devices corresponding to the material dividing devices, and the pushing devices include a fixed support frame and a horizontal mounting frame installed on the top of the fixed support frame; the horizontal mounting frame is provided with a screw motor, a pushing slide rail and a pushing slider installed on the pushing slide rail; the pushing slider is provided with a mounting plate, the mounting plate is connected with a pushing plate, and the pushing plate and the mounting plate are connected by an L-shaped connecting arm; the screw motor also includes a screw, the top of the screw is provided with a connecting block, and the connecting block is connected to the mounting plate; the pushing plate is provided with a corresponding stator magnetic sheet box with a pushing claw; the two groups of pushing devices are symmetrically installed on the main frame between the first feeding platform and the second feeding platform and correspond to the position of the material dividing device.

4. The stator core magnetic sheet assembly equipment according to claim 3, characterized in that: The material box handling mechanism is provided with two groups, which are respectively arranged between the first feeding platform and the second feeding platform; the material box handling mechanism includes a fixed column installed on the main frame and a transverse truss installed on the upper end of the fixed column; a telescopic cylinder is provided on the upper side of the transverse truss, and the transverse truss is also provided with a stepping track groove, a carrying slide rail and a carrying slide block installed on the carrying slide rail; a carrying cylinder is provided on the carrying slide block; the carrying cylinder and the telescopic cylinder are connected by a long connecting arm; a stepping track is installed in the stepping track groove, one end of the stepping track is connected to the long connecting arm, and the other end is fixed in the stepping track groove; a supporting claw is connected to the front end of the carrying cylinder; the telescopic cylinder also includes a cylinder telescopic rod, one end of the long connecting arm is connected to the telescopic cylinder rod, and the other end is connected to the back of the carrying cylinder.

5. The stator core magnetic sheet assembly equipment according to claim 4, characterized in that: A first driving motor and a first synchronization mechanism connected to the first driving motor are provided at one end of the first feeding platform, and a second synchronization mechanism is provided at the other end of the first feeding platform; a second driving motor and a third synchronization mechanism connected to the second driving motor are provided at one end of the second feeding platform, and a fourth synchronization mechanism is provided at the other end of the second feeding platform; the first synchronization mechanism and the second synchronization mechanism, as well as the third synchronization mechanism and the fourth synchronization mechanism are connected by two parallel speed chains.

6. The stator core magnetic sheet assembly equipment according to claim 5, characterized in that: The stator magnetic sheet material box comprises a material box trough body and a support strip located at the bottom of the material box trough body; a front sealing plate is provided at one end of the material box trough body and a rear sealing plate is provided at the other end; an upper sealing plate in contact with the front sealing plate is provided at the upper part of the material box trough body on one side of the front sealing plate, and an insert sheet guide hole corresponding to the insert sheet guide seat is provided between the upper part of the front sealing plate and the upper sealing plate; a positioning sleeve corresponding to the positioning rod is provided on the front sealing plate; eight groups of insert sheet guide holes are provided; eight groups of material channels are equally divided inside the material box trough body, corresponding to the insert sheet guide holes one by one; magnetic sheets are installed in the material channel, and a magnetic sheet discharge port is provided between the lower part of the front sealing plate and the material box trough body; a sealing column is provided on the rear sealing plate corresponding to the material channel, and a positioning ring is also provided on the rear sealing plate.

7. The stator core magnetic sheet assembly equipment according to claim 6, characterized in that: The magnetic core assembly mechanism has two groups corresponding to the material distribution device, including a limit plate connected to the fixed frame, a stator magnetic sheet material channel body corresponding to the discharge port, and a guide mold installed at the lower part of the stator magnetic sheet material channel body. The front end of the limit plate is provided with a slot, and the guide mold is inserted into the slot; the stator magnetic sheet material channel body includes a built-in magnetic sheet material channel; the magnetic sheet material channel is provided with eight groups corresponding to the insert guide holes respectively; the guide mold is provided with eight groups of openings corresponding to the magnetic sheet material channels respectively; a positioning pin is provided at the center position of the bottom of the guide mold.

8. The stator core magnetic sheet assembly equipment according to claim 7, characterized in that: A slot expansion cylinder and a pressing cylinder are also provided on the main frame at one side of the material distribution mechanism.

9. The stator core magnetic sheet assembly equipment according to claim 8, characterized in that: The first stator conveying line is provided with a first assembly position and a second assembly position corresponding to the magnetic core assembly mechanism, and the lifting and positioning mechanism is provided with two groups corresponding to the first assembly position and the second assembly position respectively.

10. A magnetic sheet assembly method for a stator core magnetic sheet assembly device according to claims 1-9, characterized in that: The following steps are involved: S1. First, the stator magnetic sheet material box containing stator magnetic sheets is placed on the second feeding table of the loading and unloading mechanism by external equipment or manually, and the stator magnetic sheet material box is transferred to the material box handling mechanism by the second feeding table, and then the material box handling mechanism transports the stator magnetic sheet material box from the second feeding table to the first feeding table, and then the stator magnetic sheet material box is transported to the assembly position of the material distribution mechanism by the first feeding table; S2. When it is detected that the stator magnetic sheet material box reaches the designated position on the first feeding table and stops, the positioning cylinder works to position the stator magnetic sheet material box through the positioning rod, and then the push-and-clamp cylinder works to clamp the stator magnetic sheet material box forward. At the same time, the stator transfer mechanism works to transfer the stator pallet with the stator core to the assembly position of the corresponding material distribution mechanism, and the lifting positioning cylinder pushes up to position the stator core and the guide die tightly against each other. After the stator magnetic sheet material box is successfully positioned and clamped, and the stator core and the guide die are tightly attached, the push device works to push the claw into the material channel to push the magnetic sheet in the material channel to the side of the material distribution device; S3. While the pushing device pushes the magnetic sheet forward, the dividing device works. The dividing cylinder moves downward to drive the insert to discharge the magnetic sheet from the stator magnetic sheet material box through the magnetic sheet outlet. The magnetic sheet falls into the stator magnetic sheet material channel and is injected into the guide die through the magnetic sheet material channel. Under the limiting effect of the guide die, it is finally injected into the stator core workpiece slot that is connected to the guide die by gravity, completing the assembly of the magnetic sheet. Then, it is transported to the next workstation via the first stator conveyor line.

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