Motor assembling equipment with accurate positioning

Abstract

The invention discloses a motor assembly device with accurate positioning, which belongs to the technical field of motor assembly and comprises a base station, a conveyor is arranged on the front side of the base station, and a transfer carrying table is fixedly mounted on a moving table of the conveyor; a rotating table is arranged on the rear side of the base, and a mounting frame is fixedly mounted in the middle of the moving end of the rotating table; the double-shaft industrial robot is located on the left side of the rotating table. A plurality of groups of shell positioning assemblies are mounted at the moving end of the rotating table; multiple groups of heating assemblies are mounted on the upper side of the mounting frame; a pressing assembly and a clamping assembly are mounted at the moving end of the double-shaft industrial robot; a carrying table positioning assembly is installed on the base table. A centering mechanism is mounted on the base table and the transfer carrying table; the centering mechanism comprises a limiting supporting assembly, a centering assembly, a fastening releasing assembly and a fixing releasing block. By means of the mode, the shell and the stator are accurately positioned, then the double-shaft industrial robot is matched with the pressing assembly and the clamping assembly to drive the shell and the stator to be pressed, and assembling is completed.

Description

Technical Field

[0001] The present invention relates to the technical field of motor assembly, and in particular to motor assembly equipment with precise positioning. Background Art

[0002] The motor consists of a housing, a stator, a rotor and bearings. During assembly, the motor housing and the stator are usually assembled first. During the assembly process, the housing and the stator need to be aligned and then pressed together.

[0003] For example, Chinese patent CN112139808B discloses an automatic assembly device for a housing and a stator. The assembly device positions the housing through a positioning component on a turntable, and then the turntable drives the housing to move to the assembly station. The stator is picked up and driven to move above the housing through the cooperation of a rotating cylinder, a pressing cylinder and a clamping claw, and the housing and the stator are pressed together.

[0004] However, the connection between the motor housing and the stator is relatively tight, and the housing and the stator need to be completely aligned; it is difficult for this device to accurately position the housing and the stator, making it difficult to ensure assembly accuracy.

[0005] Based on this, the present invention designs a motor assembly device with precise positioning to solve the above problems. Summary of the Invention

[0006] In view of the above-mentioned shortcomings of the prior art, the present invention provides a motor assembly device with precise positioning.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A motor assembly device with precise positioning comprises a base, a rotating table, a housing positioning component, a heating component, a conveyor, a two-axis industrial robot, a material picking and pressing mechanism, a carrier positioning component and a centering mechanism; A conveyor is provided on the front side of the base, and a plurality of mobile platforms are evenly spaced on the conveyor, and a transfer platform is fixedly installed on the mobile platform of the conveyor; a rotating platform driven by a dividing plate is provided on the rear side of the base, and a mounting frame is fixedly installed in the middle of the moving end of the rotating platform; a dual-axis industrial robot is fixedly installed on the left side of the rotating platform; Multiple sets of shell positioning assemblies for supporting and positioning the shell are evenly installed in a circular array at equal intervals on the mobile end of the rotating table; multiple sets of heating assemblies for heating the shell are installed on the upper side of the mounting frame; a material picking and pressing mechanism is installed on the mobile end of the dual-axis industrial robot; the material picking and pressing mechanism includes a pressing assembly and a clamping assembly, the pressing assembly is installed on the mobile end of the dual-axis industrial robot, and the clamping assembly for picking up the material is installed on the mobile end of the pressing assembly; a carrier positioning assembly for positioning the transfer carrier is installed at the pressing station on the base; A centering mechanism for positioning the stator is installed on the base and the transfer platform; the centering mechanism includes a limit support assembly, a centering assembly, a fastening and release assembly and a fixed release block, the limit support assembly and the centering assembly are installed on the transfer platform, the fastening and release assembly is installed on the base at the pressing station; the fixed release block is fixedly installed on the base at the loading station.

[0008] Furthermore, the shell positioning assembly includes partitions, carrier plates and positioning pins. Partitions are evenly fixedly installed in a circular array at equal intervals between the movable end of the turntable and the mounting frame; a carrier plate is fixedly installed on the movable end of the turntable between the two partitions, and a positioning pin is fixedly installed on the carrier plate to be plugged into the inner block on the lower side of the shell.

[0009] Furthermore, the heating assembly includes a pushing cylinder, a guide rod, a mounting plate and a thermal induction heater. The pushing cylinder is fixedly mounted on the upper side of the mounting frame. The output end of the pushing cylinder is fixedly mounted with a mounting plate. The upper side of the mounting plate is fixedly mounted with a guide rod, and the guide rod is limitedly slidably connected to the mounting frame. A thermal induction heater for heating the outer shell is fixedly mounted on the lower side of the mounting plate.

[0010] Furthermore, the heating assembly also includes a three-axis cylinder and a heat dissipation copper plate. The three-axis cylinder is fixedly installed on the lower side of the turntable between the material shifting station and the loading station; the output end of the three-axis cylinder is fixedly installed with a heat dissipation copper plate; a clearance groove is opened on the lower side of the moving end of the turntable; the heat dissipation copper plate passes through the clearance groove and abuts against the carrier plate.

[0011] Furthermore, the pressing assembly includes a support frame, a guide rail, a secondary telescopic hydraulic cylinder, a mobile frame and a fixed positioning block. The support frame is fixedly installed on the mobile end of the dual-axis industrial robot, the upper side of the support frame is fixedly installed with a secondary telescopic hydraulic cylinder, and the lower side of the support frame is symmetrically fixedly installed with a guide rail; the mobile frame is limitedly slidably connected to the guide rail; the output end of the secondary telescopic hydraulic cylinder is fixedly connected to the mobile frame; the middle part of the mobile frame is fixedly installed with a fixed positioning block, and the fixed positioning block is clamped with the upper edge of the outer shell.

[0012] Furthermore, the clamping assembly includes a clamping cylinder, a synchronization block, a rotating rod, a clamping arm and a movable positioning block. The clamping cylinder is fixedly mounted on the mobile frame, and the output end of the clamping cylinder is fixedly mounted with a synchronization block; the inner ends of the two rotating rods are respectively rotationally connected to the two ends of the synchronization block, and the outer end of the rotating rod is rotationally connected to one end of the clamping arm; the middle part of the clamping arm is rotationally mounted on the mobile frame, and the other end of the clamping arm is fixedly mounted with a movable positioning block that is clamped to the upper edge of the outer shell.

[0013] Furthermore, the carrier positioning assembly includes a fixed frame, a first positioning cylinder, a moving block, a connecting rod and a positioning turn plate. The fixed frame is fixedly installed on the lower side of the conveyor at the pressing station, and the first positioning cylinder is fixedly installed on the lower side of the fixed frame; the output end of the first positioning cylinder is fixedly installed with the moving block; the lower ends of the two connecting rods are respectively rotatably connected to one end of the moving block, and the other end of the connecting rod is rotatably connected to the lower end of the positioning turn plate, and the middle part of the positioning turn plate is rotatably installed on the upper side of the fixed frame; the upper ends of the two positioning turn plates are respectively fitted with the two sides of the transfer carrier.

[0014] Furthermore, the limiting support assembly includes a limiting table, a fixed ring, a limiting groove, a rotating arm, a rotating ring and a pre-positioning groove. The limiting table is fixedly installed in the middle of the transfer platform, and the diameter of the limiting table is smaller than the diameter of the stator; the edge of the limiting table is evenly spaced in a circular array with pre-positioning grooves; the fixed ring is fixedly installed on the upper side of the transfer platform, and the limiting grooves are provided in a circular array on the fixed ring, and the rotating ring is rotatably installed on the fixed ring; the middle part of the rotating arm is rotatably installed on the rotating ring, and multiple rotating arms are distributed in a circular array with equal spacing.

[0015] Furthermore, the centering assembly includes a positioning column, a limit slider, a shift rod and a spring. The positioning column is fixedly installed at the inner end of the rotating arm, and the limit slider is fixedly installed at the outer end of the rotating arm. The limit slider slides within the limit groove; the shift rod is fixedly installed on the upper side of the rotating ring, one end of the spring is fixedly connected to the middle part of the shift rod, and the other end of the spring is fixedly installed on the transfer platform.

[0016] Furthermore, the fastening and releasing assembly includes a support platform, a second positioning cylinder, a release rotating rod and a fastening rod. The support platform is fixedly mounted on the base, and the second positioning cylinder is rotatably mounted on the support platform; the middle part of the release rotating rod is rotatably mounted on the upper side of the support platform, and one end of the release rotating rod is rotatably connected to the output end of the second positioning cylinder; the end of the fastening rod is fixedly mounted on the middle part of the release rotating rod.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. At the stator loading station, the centering assembly is in an open state when the fixed release block is passed, thereby facilitating the placement of the stator on the transfer platform, and the stator is preliminarily positioned by the limit support assembly; the stator, the limit support assembly and the centering assembly are driven to move by the transfer platform, and after the centering assembly is separated from the fixed release block, the centering assembly is gathered under the limiting action of the fastening release assembly; then the stator is driven to move to the pressing station by the transfer platform on the conveyor; at the pressing station, the transfer platform is positioned by the platform positioning assembly, so that the transfer platform maintains the standard position, and then the fastening release assembly is started to push the centering assembly, thereby pushing the stator through the centering assembly, so that the center of the stator coincides with the center of the centering assembly, the stator is centered, and the stator is in the standard position; thereby, continuous loading of the stator is achieved; 2. At the shell loading station, place the shell on the shell positioning assembly, and position the shell through the shell positioning assembly. Then the turntable drives the shell to move to the material transfer station through the shell positioning assembly. During the shell movement, the shell is heated by the heating assembly to make the shell expand and facilitate assembly. When the shell moves to the material transfer station, the heating assembly is reset, and then the dual-axis industrial robot cooperates with the pressing assembly and the clamping assembly to remove the shell from the shell positioning assembly. The pressing assembly and the clamping assembly cooperate to perform secondary positioning of the shell during the process of clamping the shell, so that the shell is in in the standard position; then the dual-axis industrial robot cooperates with the pressing assembly and the clamping assembly to move the shell to the pressing station, and the turntable continues to drive the subsequent shells to move through the shell positioning assembly to realize continuous loading of the shells; the dual-axis industrial robot cooperates with the pressing assembly and the clamping assembly to move the shell to the pressing station, at this time the center line of the shell is collinear with the stator; the shell is pressed down by the pressing assembly, so that the stator is pressed into the shell; after the shell is pressed into the stator for a distance, the centering assembly is opened by the fastening release assembly, thereby ensuring the pressing accuracy while allowing the shell to be completely pressed into the stator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0019] Figure 1 A three-dimensional diagram of a motor assembly device with precise positioning according to the present invention Figure 1 ; Figure 2 This is a front view of a motor assembly device with precise positioning according to the present invention; Figure 3 This is a right side view of a motor assembly device with precise positioning according to the present invention; Figure 4 A three-dimensional diagram of a motor assembly device with precise positioning according to the present invention Figure 2 ; Figure 5 for Figure 4 Enlarged view of point A in the middle; Figure 6 Schematic diagram of the positioning plate and its connection structure Figure 1 ; Figure 7 Schematic diagram of the positioning plate and its connection structure Figure 2 ; Figure 8 Schematic diagram of the fixed ring and its connection structure; Figure 9 It is a schematic diagram of the mobile positioning block and its connection structure; Figure 10 This is a top view of a motor assembly device with precise positioning according to the present invention.

[0020] The numbers in the figure represent: 1. Rotating table; 11. Mounting frame; 21. Housing positioning assembly; 211. Partition; 212. Carrier; 213. Positioning pin; 22. Heating assembly; 221. Push cylinder; 222. Guide rod; 223. Mounting plate; 224. Thermal induction heater; 225. Three-axis cylinder; 226. Heat dissipation copper plate; 3. Conveyor; 31. Transfer platform; 4. Two-axis industrial robot; 5. Material picking and pressing mechanism; 51. Pressing assembly; 511. Support frame; 512. Guide rail; 513. Secondary telescopic hydraulic cylinder; 514. Moving frame; 515. Fixed positioning block; 52. Clamping assembly; 521. Clamping cylinder; 522. Synchronizing block; 523. Rotating rod; 524. Clamping arm; 525. Moving positioning block ;6. Carrier positioning assembly;61. Fixed frame;62. First positioning cylinder;63. Moving block;64. Connecting rod;65. Positioning turn plate;7. Centering mechanism;71. Limit support assembly;711. Limiting circular table;712. Fixed ring;713. Limiting groove;714. Rotating arm;715. Rotating ring;716. Pre-positioning groove;72. Centering assembly;721. Positioning column;722. Limiting slider;723. Push rod;724. Spring;73. Fastening and releasing assembly;731. Support table;732. Second positioning cylinder;733. Release rod;734. Fastening rod;74. Fixed release block;8. Housing;81. Inner clamping block;82. Mounting slot;9. Stator;91. Outer clamping slot. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0022] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0023] Example 1: In some embodiments, please refer to the accompanying drawings of the specification. Figure 1-Figure 5 and Figure 10, a motor assembly device with precise positioning, comprising a base; a rotating table 1, a housing positioning component 21, a heating component 22, a conveyor 3, a two-axis industrial robot 4, a material picking and pressing mechanism 5, a carrier positioning component 6 and a centering mechanism 7; The conveyor 3 conveys from right to left, and the stator loading station and the pressing station are arranged in sequence along the conveying direction of the conveyor 3; The rotating table 1 rotates clockwise; the rear side of the rotating table 1 is set as the shell loading station, and the left side of the rotating table 1 is set as the material transfer station; A conveyor 3 is provided on the front side of the base, and a plurality of movable platforms are evenly spaced on the conveyor 3. A transfer platform 31 is fixedly installed on the movable platform of the conveyor 3; a rotating platform 1 driven by a dividing plate is provided on the rear side of the base, and a mounting frame 11 is fixedly installed in the middle of the movable end of the rotating platform 1; a dual-axis industrial robot 4 is fixedly installed on the left side of the rotating platform 1; A plurality of housing positioning assemblies 21 for supporting and positioning the housing 8 are evenly installed in a circular array at equal intervals on the mobile end of the rotating table 1; a plurality of heating assemblies 22 for heating the housing 8 are installed on the upper side of the mounting frame 11; a material picking and pressing mechanism 5 is installed on the mobile end of the dual-axis industrial robot 4; the material picking and pressing mechanism 5 includes a pressing assembly 51 and a clamping assembly 52, the pressing assembly 51 being installed on the mobile end of the dual-axis industrial robot 4, and a clamping assembly 52 for picking up the material being installed on the mobile end of the pressing assembly 51; a carrier positioning assembly 6 for positioning the transfer carrier 31 is installed at the pressing station on the base; A centering mechanism 7 for positioning the stator 9 is installed on the base and the transfer platform 31; the centering mechanism 7 includes a limit support assembly 71, a centering assembly 72, a fastening and releasing assembly 73 and a fixed release block 74, the limit support assembly 71 and the centering assembly 72 are installed on the transfer platform 31, the fastening and releasing assembly 73 is installed on the base at the pressing station; the fixed release block 74 is fixedly installed on the base at the loading station.

[0024] The conveyor 3 adopts a guide rail conveyor line, which is a mature equipment available on the market in this field.

[0025] The dual-axis industrial robot 4 can move along the X-axis and the Y-axis and is a mature device available on the market in this field; In this embodiment, when the motor assembly equipment with precise positioning is working normally, at the stator loading station, the centering assembly 72 is in an open state when the fixed release block 74 is passed, so that the stator 9 is placed on the transfer platform 31, and the stator 9 is preliminarily positioned by the limit support assembly 71; the stator 9, the limit support assembly 71 and the centering assembly 72 are driven to move by the transfer platform 31, and after the centering assembly 72 is separated from the fixed release block 74, the centering assembly 72 is in the limit position of the fastening release assembly 73. The stator 9 is gathered under the action of the conveyor 3 and then driven by the transfer platform 31 to move to the pressing station; at the pressing station, the transfer platform 31 is positioned by the platform positioning component 6 so that the transfer platform 31 maintains the standard position, and then the fastening release component 73 is activated to push the centering component 72, thereby pushing the stator 9 through the centering component 72 so that the center of the stator 9 coincides with the center of the centering component 72, and the stator 9 is centered so that the stator 9 is in the standard position; thereby achieving continuous loading of the stator 9; At the shell loading station, the shell 8 is placed on the shell positioning component 21, and the shell 8 is positioned by the shell positioning component 21, and then the rotating table 1 drives the shell 8 to move to the material shifting station through the shell positioning component 21. During the movement of the shell 8, the shell 8 is heated by the heating component 22, so that the shell 8 expands by heat, and the inner diameter of the shell 8 is increased, so as to facilitate assembly with the stator 9; when the shell 8 moves to the material shifting station, the heating component 22 is reset, and then the dual-axis industrial robot 4 cooperates with the pressing component 51 and the clamping component 52 to remove the shell 8 from the shell positioning component 21, and the pressing component 51 and the clamping component 52 cooperate to make the shell 8 be positioned again in the process of clamping the shell 8, so that the shell 8 is in the standard position; then the dual-axis industrial robot 4 cooperates with the pressing assembly 51 and the clamping assembly 52 to move the shell 8 to the pressing station. The rotating table 1 continues to drive the subsequent shells 8 to move through the shell positioning assembly 21 to achieve continuous loading of the shells 8. The two-axis industrial robot 4 cooperates with the pressing assembly 51 and the clamping assembly 52 to move the shell 8 to the pressing station. At this time, the center line of the shell 8 is collinear with the stator 9. The pressing assembly 51 presses the shell 8 downward, so that the stator 9 is pressed into the shell 8. After the shell 8 is pressed into the stator 9 for a distance, the centering assembly 72 is opened by the fastening and releasing assembly 73, thereby ensuring the pressing accuracy and allowing the shell 8 to be fully pressed into the stator 9. After the pressing is completed, the pressing assembly 51, the clamping assembly 52 and the two-axis industrial robot 4 are reset, and the centering assembly 72 is reset and holds the stator 9 tightly.

[0026] Embodiment 2: In some embodiments, as Figure 1-Figure 5 and Figure 9As shown, as a preferred embodiment of the present invention, the housing positioning assembly 21 includes a partition 211, a carrier plate 212 and a positioning pin 213. The partition plates 211 are fixedly installed in a circular array at equal intervals between the movable end of the rotating table 1 and the mounting frame 11; a carrier plate 212 is fixedly installed on the movable end of the rotating table 1 between the two partition plates 211, and a positioning pin 213 is fixedly installed on the carrier plate 212 to be plugged into the inner block 81 on the lower side of the housing 8; The heating assembly 22 includes a pushing cylinder 221, a guide rod 222, a mounting plate 223 and a thermal induction heater 224. The pushing cylinder 221 is fixedly mounted on the upper side of the mounting frame 11. The output end of the pushing cylinder 221 is fixedly mounted with a mounting plate 223. The upper side of the mounting plate 223 is fixedly mounted with a guide rod 222, and the guide rod 222 is limitedly slidably connected to the mounting frame 11. The lower side of the mounting plate 223 is fixedly mounted with a thermal induction heater 224 for heating the housing 8. The thermal induction heater 224 is a commercially available mature device in this field; The heating assembly 22 further includes a three-axis cylinder 225 and a heat dissipation copper plate 226. The three-axis cylinder 225 is fixedly mounted on the lower side of the rotating table 1 between the material shifting station and the material loading station. The heat dissipation copper plate 226 is fixedly mounted on the output end of the three-axis cylinder 225. A clearance groove is provided on the lower side of the moving end of the rotating table 1. The heat dissipation copper plate 226 passes through the clearance groove and abuts against the carrier plate 212. The pressing assembly 51 includes a support frame 511, a guide rail 512, a two-stage telescopic hydraulic cylinder 513, a mobile frame 514 and a fixed positioning block 515. The support frame 511 is fixedly installed on the mobile end of the dual-axis industrial robot 4. The two-stage telescopic hydraulic cylinder 513 is fixedly installed on the upper side of the support frame 511, and the guide rail 512 is symmetrically fixedly installed on the lower side of the support frame 511; the mobile frame 514 is limitedly slidably connected to the guide rail 512; the output end of the two-stage telescopic hydraulic cylinder 513 is fixedly connected to the mobile frame 514; the middle part of the mobile frame 514 is fixedly installed with a fixed positioning block 515, and the fixed positioning block 515 is clamped with the upper edge of the shell 8; The clamping assembly 52 includes a clamping cylinder 521, a synchronization block 522, a rotating rod 523, a clamping arm 524 and a movable positioning block 525. The clamping cylinder 521 is fixedly mounted on the movable frame 514, and the output end of the clamping cylinder 521 is fixedly mounted with the synchronization block 522; the inner ends of the two rotating rods 523 are respectively rotatably connected to the two ends of the synchronization block 522, and the outer ends of the rotating rods 523 are rotatably connected to one end of the clamping arm 524; the middle part of the clamping arm 524 is rotatably mounted on the movable frame 514, and the other end of the clamping arm 524 is fixedly mounted with a movable positioning block 525 that is clamped to the upper edge of the outer shell 8.

[0027] In this embodiment, at the shell loading station, the shell 8 is placed on the carrier plate 212, and the positioning pin 213 on the carrier plate 212 is inserted into the mounting groove 82, thereby realizing the preliminary positioning of the shell 8; then the pushing cylinder 221 drives the mounting plate 223 to move vertically under the guidance of the guide rod 222, so that the thermal induction heater 224 is inserted into the shell 8, and the shell 8 is heated by the thermal induction heater 224, so that the shell 8 expands by heat; the rotating table 1 drives the shell 8 to rotate toward the material moving station through the carrier plate 212 and the positioning pin 213, and at the same time, the rotating table 1 drives the pushing cylinder 221, the guide rod 222, the mounting plate 223 and the thermal induction heater 224 to rotate through the mounting frame 11, so that the thermal induction heater 224 keeps heating the shell 8 during the movement, so that the shell 8 obtains sufficient heating time; until the shell 8 moves to the material moving station; At the material transfer station, the push cylinder 221 drives the mounting plate 223 and the thermal induction heater 224 to reset; then the dual-axis industrial robot 4 drives the support frame 511, the guide rail 512, the secondary telescopic hydraulic cylinder 513, the mobile frame 514 and the fixed positioning block 515 to move to the material transfer station, so that the fixed positioning block 515 is stuck in the upper side edge of the shell 8; then the clamping cylinder 521 drives the rotating rods 523 on both sides to move synchronously through the synchronous block 522, and the rotating rod 523 drives the clamping arm 524 to rotate, so that the clamping arm 52 The movable positioning blocks 525 at the four ends are engaged with the outer edges of the housing 8; the movable positioning blocks 525 on both sides cooperate with the fixed positioning blocks 515 to hold the housing 8 tightly, and the housing 8 is repositioned through the cooperation of the two movable positioning blocks 525 and the fixed positioning blocks 515; the secondary telescopic hydraulic cylinder 513 drives the movable frame 514 to move vertically upward under the limiting action of the guide rail 512, thereby driving the housing 8 to move through the clamping arms 524 and movable positioning blocks 525 on the movable frame 514, so that the installation slot 82 is separated from the positioning pin 213; Then the rotating table 1 drives the carrier plate 212 and the positioning pin 213 to continue to rotate, and the shell 8 is continued to be loaded. The three-axis cylinder 225 drives the heat dissipation copper plate 226 to move vertically upward, so that the heat dissipation copper plate 226 is fitted with the bottom of the carrier plate 212 located between the material transfer station and the shell loading station, and heat is exchanged between the heat dissipation copper plate 226, the carrier plate 212 and the positioning pin 213 to accelerate the cooling of the positioning pin 213; at the same time, the two-axis industrial robot 4 drives the support frame 511, the guide rail 512, and the movable frame 514 to move, thereby driving the shell 8 to move through the clamping arm 524 and the movable positioning block 525, so that the shell 8 moves to the pressing station; at the pressing station, the secondary telescopic hydraulic cylinder 513 drives the movable frame 514 to move vertically downward under the limiting action of the guide rail 512, thereby driving the shell 8 to move vertically downward through the clamping arm 524 and the movable positioning block 525, so that the shell 8 and the stator 9 are pressed together, completing the assembly of the shell 8 and the stator 9.

[0028] Embodiment 3: In some embodiments, as Figures 1-10As shown, as a preferred embodiment of the present invention, the carrier positioning assembly 6 includes a fixed frame 61, a first positioning cylinder 62, a moving block 63, a connecting rod 64 and a positioning turn plate 65. The fixed frame 61 is fixedly installed on the lower side of the conveyor 3 at the pressing station, and the first positioning cylinder 62 is fixedly installed on the lower side of the fixed frame 61; the output end of the first positioning cylinder 62 is fixedly installed with the moving block 63; the lower ends of the two connecting rods 64 are respectively rotatably connected to one end of the moving block 63, and the other end of the connecting rod 64 is rotatably connected to the lower end of the positioning turn plate 65, and the middle part of the positioning turn plate 65 is rotatably installed on the upper side of the fixed frame 61; the upper ends of the two positioning turn plates 65 are respectively in contact with the two sides of the transfer carrier 31.

[0029] The limiting support assembly 71 includes a limiting table 711, a fixed ring 712, a limiting groove 713, a rotating arm 714, a rotating ring 715 and a pre-positioning groove 716. The limiting table 711 is fixedly mounted on the middle part of the transfer platform 31, and the diameter of the limiting table 711 is smaller than the diameter of the stator 9; the edge of the limiting table 711 is evenly spaced in a circular array with pre-positioning grooves 716; the pre-positioning grooves 716 are aligned with the external card slot 91; the fixed ring 712 is fixedly mounted on the upper side of the transfer platform 31, and the limiting grooves 713 are formed in a circular array on the fixed ring 712, and the rotating ring 715 is rotatably mounted on the fixed ring 712; the middle part of the rotating arm 714 is rotatably mounted on the rotating ring 715, and multiple rotating arms 714 are evenly spaced in a circular array; The centering assembly 72 includes a positioning column 721, a limiting slider 722, a lever 723 and a spring 724. The inner end of the rotating arm 714 is fixedly mounted with the positioning column 721, and the outer end of the rotating arm 714 is fixedly mounted with the limiting slider 722. The limiting slider 722 slides within the limiting groove 713. The lever 723 is fixedly mounted on the upper side of the rotating ring 715. One end of the spring 724 is fixedly connected to the middle part of the lever 723, and the other end of the spring 724 is fixedly mounted on the transfer platform 31. The fastening and releasing assembly 73 includes a support platform 731, a second positioning cylinder 732, a release rotating rod 733 and a fastening rod 734. The support platform 731 is fixedly mounted on the base, and the second positioning cylinder 732 is rotatably mounted on the support platform 731; the middle part of the release rotating rod 733 is rotatably mounted on the upper side of the support platform 731, and one end of the release rotating rod 733 is rotatably connected to the output end of the second positioning cylinder 732; the end of the fastening rod 734 is fixedly mounted on the middle part of the release rotating rod 733.

[0030] In this embodiment, the conveyor 3 drives the transfer platform 31 to move until the transfer platform 31 moves to the stator loading station. During this process, the lever 723 on the transfer platform 31 is blocked by the fixed release block 74, and the lever 723 drives the rotating ring 715 to rotate. The rotation of the rotating ring 715 drives the multiple rotating arms 714 to move. The rotating arms 714 rotate under the limiting action of the limiting groove 713 and the limiting slider 722, so that the multiple rotating arms 714 are opened synchronously, thereby facilitating the insertion of the stator 9; the spring 724 is stretched; the outside of the stator 9 is After the outer card groove 91 of the edge is aligned with the pre-positioning groove 716, the stator 9 is placed on the limiting circular table 711; then the conveyor 3 drives the transfer carrier 31 to leave the loading station. During this process, the lever 723 is blocked by the fixed release block 74, and the lever 723 rotates until the lever 723 is completely separated from the fixed release block 74; the spring 724 resets and drives the lever 723 to reset, thereby driving the rotating ring 715 to reset. The reset of the rotating ring 715 drives the rotating arm 714 to reset, so that the positioning column 721 at the inner end of the rotating arm 714 is pressed against the outer card groove 91; The conveyor 3 drives the transfer platform 31 to move to the pressing station. During this process, the lever 723 is blocked by the release lever 733. The lever 723 rotates through the rotating ring 715 to drive multiple rotating arms 714 to open synchronously; the first positioning cylinder 62 drives the moving block 63 to move, and the moving block 63 drives the connecting rods 64 on both sides to move synchronously, thereby driving the positioning rotating plates 65 on both sides to rotate, so that the positioning rotating plates 65 on both sides hold the two sides of the transfer platform 31 tightly, thereby positioning the transfer platform 31 so that the transfer platform 31 is located in the standard position; then the second positioning cylinder 7 After the locking cam 731 is locked, the locking cam 732 is unlocked, and the locking cam 733 is unlocked, so that the master lock 710 is unlocked, and the master lock 710 is unlocked. The retracting hydraulic cylinder 513 drives the mobile frame 514 to move vertically downward under the limiting action of the guide rail 512, thereby driving the housing 8 to move vertically downward through the clamping arm 524 and the movable positioning block 525. When the housing 8 and the stator 9 are pressed to halfway, the second positioning cylinder 732 drives the release rod 733 and the fastening rod 734 to reset, and the rotation of the dial rod 723 drives the multiple rotating arms 714 to open synchronously through the rotating ring 715, so that the positioning column 721 does not block the housing 8 from moving downward; the secondary retracting hydraulic cylinder 513 drives the mobile frame 514 to move vertically downward under the limiting action of the guide rail 512. It moves vertically downward, thereby driving the shell 8 to move vertically downward through the clamping arm 524 and the movable positioning block 525 until the shell 8 and the stator 9 are completely pressed together; then the first positioning cylinder 62 drives the positioning turn plate 65 to reset through the movable block 63 and the connecting rod 64; the clamping cylinder 521 drives the clamping arm 524 and the movable positioning block 525 to reset through the synchronization block 522 and the rotating rod 523; the dual-axis industrial robot 4 drives the support frame 511 to move, and after the fixed positioning block 515 is separated from the shell 8, the secondary telescopic hydraulic cylinder 513 drives the movable frame 514 to reset.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A motor assembly device with precise positioning, comprising a base, characterized in that: It also includes a rotating table (1), a housing positioning component (21), a heating component (22), a conveyor (3), a dual-axis industrial robot (4), a material picking and pressing mechanism (5), a platform positioning component (6) and a centering mechanism (7); A conveyor (3) is provided on the front side of the base, a plurality of movable platforms are evenly arranged at equal intervals on the conveyor (3), and a transfer platform (31) is fixedly installed on the movable platform of the conveyor (3); a rotating platform (1) driven by a dividing plate is provided on the rear side of the base, and a mounting frame (11) is fixedly installed in the middle of the movable end of the rotating platform (1); a dual-axis industrial robot (4) is fixedly installed on the left side of the rotating platform (1); A plurality of housing positioning components (21) for supporting and positioning the housing (8) are uniformly installed at equal intervals in a circular array on the movable end of the rotating table (1); a plurality of heating components (22) for heating the housing (8) are installed on the upper side of the mounting frame (11); a material picking and pressing mechanism (5) is installed on the movable end of the dual-axis industrial robot (4); the material picking and pressing mechanism (5) includes a pressing component (51) and a clamping component (52), the pressing component (51) is installed on the movable end of the dual-axis industrial robot (4), and the clamping component (52) for picking up materials is installed on the movable end of the pressing component (51); a carrier positioning component (6) for positioning the transfer carrier (31) is installed at the pressing station on the base; A centering mechanism (7) for positioning the stator (9) is installed on the base and the transfer platform (31); the centering mechanism (7) includes a limit support component (71), a centering component (72), a fastening release component (73) and a fixed release block (74); the limit support component (71) and the centering component (72) are installed on the transfer platform (31); the fastening release component (73) is installed on the base and located at the pressing station; the fixed release block (74) is fixedly installed on the base and located at the loading station.

2. The motor assembly equipment with precise positioning according to claim 1, characterized in that: The housing positioning assembly (21) comprises a partition (211), a carrier plate (212) and a positioning pin (213); the partition plates (211) are fixedly installed at equal intervals in a circular array between the movable end of the rotating table (1) and the mounting frame (11); a carrier plate (212) is fixedly installed between the two partition plates (211) on the movable end of the rotating table (1); and a positioning pin (213) is fixedly installed on the carrier plate (212) and is plugged into an inner block (81) on the lower side of the housing (8).

3. The motor assembly equipment with precise positioning according to claim 1, characterized in that: The heating assembly (22) comprises a pushing cylinder (221), a guide rod (222), a mounting plate (223) and a thermal induction heater (224). The pushing cylinder (221) is fixedly mounted on the upper side of the mounting frame (11). The mounting plate (223) is fixedly mounted on the output end of the pushing cylinder (221). The guide rod (222) is fixedly mounted on the upper side of the mounting plate (223). The guide rod (222) is connected to the mounting frame (11) in a limited sliding manner. The thermal induction heater (224) for heating the housing (8) is fixedly mounted on the lower side of the mounting plate (223).

4. The motor assembly equipment with precise positioning according to claim 3, characterized in that: The heating assembly (22) further comprises a three-axis cylinder (225) and a heat dissipation copper plate (226). The three-axis cylinder (225) is fixedly mounted on the lower side of the rotating table (1) between the material shifting station and the material loading station. The heat dissipation copper plate (226) is fixedly mounted on the output end of the three-axis cylinder (225). A clearance groove is provided on the lower side of the movable end of the rotating table (1). The heat dissipation copper plate (226) passes through the clearance groove and abuts against the carrier plate (212).

5. The motor assembly equipment with precise positioning according to claim 1, characterized in that: The pressing assembly (51) comprises a support frame (511), a guide rail (512), a secondary telescopic hydraulic cylinder (513), a movable frame (514) and a fixed positioning block (515). The support frame (511) is fixedly mounted on the movable end of the dual-axis industrial robot (4). The upper side of the support frame (511) is fixedly mounted with the secondary telescopic hydraulic cylinder (513), and the lower side of the support frame (511) is symmetrically fixedly mounted with the guide rail (512). The movable frame (514) is connected to the guide rail (512) in a limited sliding manner. The output end of the secondary telescopic hydraulic cylinder (513) is fixedly connected to the movable frame (514). The middle part of the movable frame (514) is fixedly mounted with the fixed positioning block (515), and the fixed positioning block (515) is engaged with the upper edge of the housing (8).

6. The motor assembly equipment with precise positioning according to claim 5, characterized in that: The clamping assembly (52) comprises a clamping cylinder (521), a synchronization block (522), a rotating rod (523), a clamping arm (524) and a movable positioning block (525). The clamping cylinder (521) is fixedly mounted on the movable frame (514), and the synchronization block (522) is fixedly mounted on the output end of the clamping cylinder (521); the inner ends of the two rotating rods (523) are respectively rotatably connected to the two ends of the synchronization block (522), and the outer end of the rotating rod (523) is rotatably connected to one end of the clamping arm (524); the middle part of the clamping arm (524) is rotatably mounted on the movable frame (514), and the other end of the clamping arm (524) is fixedly mounted with a movable positioning block (525) that is engaged with the upper edge of the housing (8).

7. The motor assembly equipment with precise positioning according to claim 1, characterized in that: The platform positioning assembly (6) includes a fixed frame (61), a first positioning cylinder (62), a moving block (63), a connecting rod (64) and a positioning rotating plate (65). The fixed frame (61) is fixedly installed on the lower side of the conveyor (3) at the pressing station, and the first positioning cylinder (62) is fixedly installed on the lower side of the fixed frame (61); the moving block (63) is fixedly installed on the output end of the first positioning cylinder (62); the lower ends of the two connecting rods (64) are respectively rotatably connected to one end of the moving block (63), and the other end of the connecting rod (64) is rotatably connected to the lower end of the positioning rotating plate (65), and the middle part of the positioning rotating plate (65) is rotatably installed on the upper side of the fixed frame (61); the upper ends of the two positioning rotating plates (65) are respectively in contact with the two sides of the transfer platform (31).

8. The motor assembly equipment with precise positioning according to claim 1, characterized in that: The limiting support assembly (71) comprises a limiting truncated plate (711), a fixed circular ring (712), a limiting groove (713), a rotating arm (714), a rotating circular ring (715) and a pre-positioning groove (716). The limiting truncated plate (711) is fixedly mounted on the middle part of the transfer platform (31). The diameter of the limiting truncated plate (711) is smaller than the diameter of the stator (9). The edge of the limiting truncated plate (711) is provided with pre-positioning grooves (716) in a circular array and at equal intervals. The fixed circular ring (712) is fixedly mounted on the upper side of the transfer platform (31). The limiting grooves (713) are provided in a circular array on the fixed circular ring (712). The rotating circular ring (715) is rotatably mounted on the fixed circular ring (712). The middle part of the rotating arm (714) is rotatably mounted on the rotating circular ring (715). The plurality of rotating arms (714) are distributed in a circular array and at equal intervals.

9. The motor assembly equipment with precise positioning according to claim 8, characterized in that: The centering assembly (72) includes a positioning column (721), a limiting slider (722), a shifting rod (723) and a spring (724); the inner end of the rotating arm (714) is fixedly mounted with the positioning column (721); the outer end of the rotating arm (714) is fixedly mounted with the limiting slider (722); the limiting slider (722) slides within the limiting groove (713); the shifting rod (723) is fixedly mounted on the upper side of the rotating ring (715); one end of the spring (724) is fixedly connected to the middle part of the shifting rod (723); and the other end of the spring (724) is fixedly mounted on the transfer platform (31).

10. The motor assembly equipment with precise positioning according to claim 9, characterized in that: The fastening and releasing assembly (73) comprises a support platform (731), a second positioning cylinder (732), a release rotating rod (733) and a fastening rod (734); the support platform (731) is fixedly mounted on the base platform, and the second positioning cylinder (732) is rotatably mounted on the support platform (731); the middle portion of the release rotating rod (733) is rotatably mounted on the upper side of the support platform (731), and one end of the release rotating rod (733) is rotatably connected to the output end of the second positioning cylinder (732); and the end portion of the fastening rod (734) is fixedly mounted on the middle portion of the release rotating rod (733).

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