Automatic assembling machine for electric drive controller

Abstract

The invention discloses an electric drive controller automatic assembling machine which comprises a rack, a feeding material belt, a lifting supporting table, an operation platform, an assembling mechanism and an assembling loading table. The number of the feeding material belts is at least two, and the at least two feeding material belts are arranged on the lower layer of one side of the machine frame in parallel at intervals and extend outwards. The number of the lifting supporting tables is at least two, and the at least two lifting supporting tables are arranged at the inner ends of the at least two feeding material belts correspondingly and do lifting motion in the vertical direction. The number of the operating platforms is at least two, and the at least two operating platforms are correspondingly arranged above the at least two feeding material belts respectively; the assembly loading platform is arranged on the other side of the rack; the assembling mechanism is arranged between the assembling loading platform and the operation platform in a crossing mode. Automatic feeding, transferring and assembling of electric drive controller accessories are achieved, the assembling efficiency is effectively improved, high-precision flexible contact type material taking is achieved in a single-power cooperation gear transmission mode, the material taking precision is improved, and damage to materials during material taking and discharging is reduced.

Description

Technical Field

[0001] The present invention relates to the field of automatic assembly of electric drive controllers for new energy vehicles, and in particular to an automatic assembly machine for electric drive controllers. Background Art

[0002] The electric vehicle drive control system is the core subsystem of the electric vehicle, which mainly includes a power battery, a drive motor and a drive controller. Its main function is to convert the electrical energy stored in the power battery into kinetic energy of the electric vehicle through the motor when the electric vehicle is driving normally, and to convert part of the vehicle's kinetic energy into electrical energy and store it in the power battery during braking.

[0003] As a core part of electric vehicles, the drive controller is composed of accessories including DC assembly, AC assembly, PCB main board and water cooling plate. During the automated assembly of the drive controller, the DC assembly, water cooling plate and AC assembly need to be placed on the corresponding positions of the PCB main board and then fixed with screws. Based on the above assembly process requirements, a device for automatic loading, transfer and assembly of the above drive controller accessories needs to be designed during the automated assembly process to improve the assembly efficiency and assembly accuracy of the electric drive controller. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an automatic assembly machine for electric drive controllers that can realize automatic loading, transportation and assembly of electric drive controller accessories, effectively improve assembly efficiency, and adopt a single-power cooperative gear transmission method to achieve high-precision flexible contact material picking, improve material picking accuracy, and reduce damage to materials during picking and placing.

[0005] The technical solution adopted by the present invention is as follows: an automatic assembly machine for an electric drive controller, used for automatically assembling an electric drive controller, comprising a frame, a material feeding belt, a lifting support platform, a running platform, an assembly mechanism and an assembly loading platform, wherein the frame is horizontally erected; the material feeding belt comprises at least two, at least two material feeding belts are arranged in parallel and spaced apart on the lower layer of one side of the frame, and extend outward so as to receive the carrier and transport it to the frame; the lifting support platform comprises at least two, at least two lifting support platforms are respectively arranged at the inner ends of at least two material feeding belts, and extend along the vertical direction The lifting platform is used for lifting and lowering, and is used for taking the carrier plate from the feeding belt and driving the carrier plate to move upward to the top of the frame; the operating platform includes at least two, and the at least two operating platforms are respectively arranged above at least two feeding belts, and are used for taking the carrier plate on the lifting support platform and driving the carrier plate to move on the frame; the assembling platform is arranged on the other side of the frame, and is used for carrying the carrier plate; the assembling mechanism is arranged across the assembling platform and the operating platform, and the assembling mechanism transports the electric drive controller parts on the operating platform to the assembling platform, and automatically assembles them on the assembling platform.

[0006] Preferably, the operating platform includes a transfer cylinder, a transfer slide and a transfer slide, wherein the transfer slide includes two transfer slides, which are arranged on the frame in parallel and at intervals; the transfer slide is slidably arranged on the transfer slide, and a groove body penetrating up and down is opened in the middle of the transfer slide; the transfer cylinder is arranged on the side of the transfer slide, and the output end is connected to the transfer slide, which is used to drive the transfer slide to move linearly.

[0007] Preferably, the operating platform also includes a clamping cylinder, a clamping slide, a clamping strip, a support block and a carrier, wherein the clamping cylinder includes two, the two clamping cylinders are respectively arranged on the transfer slide and are located on both sides of the trough body, and the output ends are arranged perpendicular to the direction of the transfer slide; the clamping slide is connected to the output end of the clamping cylinder and is slidably connected to the transfer slide; the carrier is located between the two clamping cylinders, and the assembly accessories of the electric drive controller are placed on the carrier; the clamping strip is connected to the clamping slide and is arranged along the direction of the transfer slide; at least two support blocks are spaced apart on the clamping strip; the clamping cylinder drives the clamping slide to drive the clamping strip and the support block to move toward the carrier, the support block is inserted into the bottom of the carrier from below and the clamping strip clamps the carrier from the side.

[0008] Preferably, the assembly mechanism includes a robot arm, a robot arm output shaft, an assembly support, a screw driving component and an automatic clamp, wherein the robot arm is arranged on the machine platform of the assembly machine and has at least two degrees of freedom of movement; the robot arm output shaft is connected to the robot arm and is driven to rotate by the robot arm; the assembly support is vertically connected to the robot arm output shaft; the screw driving component is arranged on one side of the assembly support for automatic screw driving and fixing; an automatic clamp is provided on the other side of the assembly support, and the assembly support rotates with the machine arm output shaft to carry out alternating material taking or screw driving.

[0009] Preferably, the screw driving assembly includes a screw driving bracket, a screw driver and a screw driving head, wherein the screw driving bracket is arranged on an assembly support; the screw driver is slidably connected to the side wall of the screw driving bracket and is driven by a driving cylinder to move up and down; the screw driving head is connected to the output end at the bottom of the screw driver and is driven by the screw driver to rotate.

[0010] Preferably, the automatic clamp comprises a vertical support, a lifting assembly, a horizontal support, a clamping drive assembly and a clamping assembly, wherein the vertical support is vertically arranged; the lifting assembly is arranged on the vertical support, and outputs power in the vertical direction; the horizontal support is horizontally arranged on the output end of the lifting assembly; the clamping drive assembly is arranged on the horizontal support; the clamping assembly comprises two groups, and the two groups of clamping assemblies are respectively connected to the output end of the clamping drive assembly, and are driven by the clamping drive assembly to approach or move away from each other for clamping and fixing.

[0011] Preferably, the lifting assembly includes a lifting cylinder, a lifting slide and a horizontal support, wherein the lifting cylinder is vertically arranged on one side of the vertical support through a support block; the lifting slide is slidably connected to a side wall of the vertical support along the vertical direction, and is connected to the output end of the lifting cylinder; a through groove is opened in the middle of the vertical support; the horizontal support is arranged on the other side of the vertical support, and is connected to the lifting slide through a connecting block passing through the through groove.

[0012] Preferably, the clamping drive assembly includes a clamping motor, a driving tooth, a connecting support plate, an inner support plate, a clamping slide and a driving rack, wherein the clamping motor is arranged on a horizontal support, and the output shaft passes through the horizontal support and extends downward; the driving gear sleeve is arranged on the output shaft of the clamping motor and is driven to rotate by the clamping motor; the connecting support plate includes two pieces, and the two connecting support plates are respectively vertically connected to the two sides of the lower part of the horizontal support; the inner support plate is vertically arranged at the lower part of the horizontal support and is located between the two connecting support plates; the clamping slide includes two pieces, and the two clamping slides are respectively slidably connected to the front and rear side walls of the inner support plate; the driving rack includes two pieces, and the two driving racks are respectively arranged on the inner side walls of the two clamping slides and are respectively meshed with the driving teeth, and the rotational movement of the driving teeth drives the two clamping slides to move in the opposite direction through the two driving racks; the clamping assembly is arranged on the clamping slide and moves with the clamping slide to clamp and fix the electric drive controller.

[0013] Preferably, the clamping assembly includes a clamping connection seat, a spring column and a clamping block, wherein the connection seat is vertically arranged on the clamping slide and extends downward; the clamping block is arranged on the inner side of the clamping connection seat and is connected to the clamping connection seat through the spring column.

[0014] Preferably, the two ends of the spring column are respectively invertedly connected to the clamp block and the clamping connection seat, and the part of the spring column located in the gap between the clamp block and the clamping connection seat is sleeved with a spring. In the natural state, the elastic force of the spring drives the clamp to move away from the clamping connection seat, so as to play a buffering role when the clamp block clamps the electric drive controller.

[0015] The beneficial effects of the present invention are: In view of the defects and shortcomings of the prior art, the present invention independently developed and designed an automatic assembly machine for electric drive controllers that can realize automatic loading, transportation and assembly of electric drive controller accessories, effectively improving assembly efficiency, and adopting a single-power cooperative gear transmission method to achieve high-precision flexible contact material picking, thereby improving material picking accuracy and reducing damage to materials during picking and placing.

[0016] The present invention aims to provide an automated assembly device for electric drive controllers used in the automated assembly and manufacturing process of electric drive controllers for new energy vehicles, and its function is to complete the automatic handling and assembly of accessories such as AC assemblies, DC assemblies, PCB boards, etc. of electric drive controllers through automated means. Specifically, the present invention uses a horizontally arranged rack as a carrier structure as a whole. The rack is a double-layer structure with an opening on one side of the lower layer and is provided with multiple groups of feeding belts. The feeding belts extend horizontally outward and are used to receive a carrier plate equipped with electric drive controller accessories from the previous workstation, and transfer the carrier plate linearly to the inside of the rack. After the carrier plate is received by a lifting support set in the rack, it moves upward to the upper layer of the rack, thereby realizing automatic loading and transportation of materials; multiple groups of feeding belts can independently transport different electric drive controller accessories, such as DC assemblies, AC assemblies or PCB boards; the lifting support drives the carrier plate to rise and fall to After the upper layer of the rack, the transfer platform moves to the lifting support platform, and the clamping cylinder set on the side drives the clamping slide and the clamping strip to approach the carrier, and the support block set on the clamping strip is used to support the carrier from the bottom. The cross section of the support block is an L-shaped structure. While supporting the carrier, the side wall of the carrier is pressed from the outside. After the carrier is clamped and fixed, the transfer cylinder drives the transfer slide to drive the carrier to move toward the inner side of the rack to the assembly mechanism. After the electric drive controller accessories on the carrier are taken out by the assembly mechanism and placed on the assembly loading platform, the assembly mechanism assembles and fixes the accessories such as the AC assembly, the DC assembly, and the cold water plate on the PCB board through the screw assembly. The assembly mechanism of the present invention includes a robot arm, an assembly support, a screw assembly and an automatic clamp. The robot arm provides multiple degrees of freedom in order to drive the assembly support and the screw assembly and automatic clamp arranged thereon to move back and forth between the transfer platform and the assembly loading platform. The screw assembly is used for screwing and fixing during the assembly process, and the automatic clamp is used for clamping and fixing the relay accessories.The automatic clamp of the present invention uses a vertical support as a supporting structure and is connected to the mechanical arm above. It is driven by the mechanical arm to move back and forth between different workstations. A lifting slide slidably connected to the vertical support is driven by a lifting cylinder to move up and down to realize lifting and lowering movement in the vertical direction, which is convenient for taking and placing materials. A horizontal support is provided at the bottom of the lifting slide, and a clamping motor is provided on the horizontal support. The output shaft of the clamping motor extends downward through the horizontal support and is sleeved with driving teeth. Vertically arranged inner support plates are respectively provided on both sides of the driving teeth as a bearing structure, so that the clamping slides on the front and rear sides can be slidably connected to the inner support plates. At the same time, driving racks are also respectively provided on the inner sides of the clamping slides on the front and rear sides, and the two driving racks are respectively meshed with the driving teeth to form a tooth connection structure. When the clamping motor drives the driving teeth to rotate, the front and rear The driving racks on both sides drive the two clamping slides and the clamping connecting seats arranged thereon to move closer to or away from each other; this driving method realizes the driving of the two clamping slides through a single clamping motor, and utilizes the characteristics of the opposite directions of the front and rear sides of the rotating driving teeth to realize the opposite movement of the two clamping slides. At the same time, the tooth connection driving method can accurately control the clamping distance compared to the traditional cylinder driving method, and effectively improves the clamping accuracy; in addition, a clamping block is provided on the inner side of the clamping connecting seat of the present invention, and the clamping block is a direct contact structure for clamping the material. The special feature is that the clamping block is connected to the inner wall of the clamping connecting seat through a spring column, that is, the clamping block is flexibly connected to the clamping connecting seat, and has a flexible adjustment space. Flexible contact is achieved when clamping the material during the clamping process, and it has a buffering function to avoid material damage caused by rigid contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the three-dimensional structural schematic diagrams of the assembly machine of the present invention.

[0018] Figure 2 This is the second schematic diagram of the three-dimensional structure of the assembly machine of the present invention.

[0019] Figure 3 This is the third schematic diagram of the three-dimensional structure of the assembly machine of the present invention.

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the transfer platform of the present invention.

[0021] Figure 5 for Figure 4 The enlarged structural diagram at point I in the middle.

[0022] Figure 6 It is a three-dimensional structural schematic diagram of the assembly mechanism of the present invention.

[0023] Figure 7 It is a schematic diagram of the three-dimensional structure of the assembly head of the present invention.

[0024] Figure 8It is a schematic diagram of the three-dimensional structure of the automatic clamping claw of the present invention.

[0025] Fig. 9 It is a schematic diagram of the three-dimensional structure of the automatic gripper of the present invention after the components are hidden.

[0026] Fig.10 This is one of the three-dimensional structural schematic diagrams of the assembly loading platform of the present invention.

[0027] Fig.11 This is the second schematic diagram of the three-dimensional structure of the assembly loading platform of the present invention.

[0028] Fig.12 It is a three-dimensional structural schematic diagram of the carrier plate and assembly components of the present invention.

[0029] Fig.13 This is one of the schematic diagrams of the disassembled structure of the carrier and assembly components of the present invention.

[0030] Fig.14 This is the second schematic diagram of the disassembled structure of the components of the carrier and the assembly assembly of the present invention.

[0031] Fig.15 This is the third schematic diagram of the disassembled structure of the components of the carrier and the assembly assembly of the present invention.

[0032] Fig.16 It is a schematic diagram of the three-dimensional structure of the motor controller of the present invention.

[0033] In the figure: 1. Frame; 2. Material feeding belt; 3. Lifting support platform; 4. Transfer platform; 5. Assembly mechanism; 6. Assembly loading platform; 0. Electric drive controller; 01. AC assembly; 02. DC assembly; 03. PCB board; 41. Transfer cylinder; 42. Transfer slide rail; 43. Transfer slide seat; 44. Clamping cylinder; 45. Clamping slide seat; 46. Clamping strip; 47. Support block; 48. Carrying plate; 51. Robot arm; 52. Robot arm output shaft; 53. Assembly support; 54. Screw assembly; 55. Automatic gripper; 541. Screw driver bracket; 542. Screw driver; 543. Screw driver head; 551, vertical support; 552, lifting cylinder; 553, lifting slide; 554, horizontal support; 555, clamping motor; 556, driving gear; 557, connecting support plate; 558, inner support plate; 559, clamping slide; 5510, driving rack; 5511, clamping connection seat; 5512, spring column; 5513, clamping block; 61. second carrier plate; 62. assembly component; 621. Carrier; 622. Assembly part. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions 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 creative work are within the scope of protection of the present invention.

[0035] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0036] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example 1

[0037] like Figures 1 to 3 As shown, the present invention proposes an automatic assembly machine for an electric drive controller, which is used for automatically assembling an electric drive controller, including a frame 1, a feeding material belt 2, a lifting support platform 3, an operating platform 4, an assembly mechanism 5 and an assembly loading platform 6, wherein the frame 1 is horizontally erected; the feeding material belt 2 includes at least two, at least two feeding material belts 2 are arranged in parallel and spaced apart on the lower layer of one side of the frame 1, and extend outward to receive the carrier and transport it to the frame 1; the lifting support platform 3 includes at least two, at least two lifting support platforms 3 are respectively arranged at the inner ends of at least two feeding material belts 2, and are lifted and transported in the vertical direction. The operating platform 4 is used to receive the carrier from the feeding belt 2 and then drive the carrier to move upward to the top of the frame 1; the operating platform 4 includes at least two, at least two operating platforms 4 are respectively arranged above at least two feeding belts 2, and are used to receive the carrier on the lifting support platform 3 and then drive the carrier to move on the frame 1; the assembly loading platform 6 is arranged on the other side of the frame 1, and is used to carry the carrier; the assembly mechanism 5 is spanned between the assembly loading platform 6 and the operating platform 4, and the assembly mechanism 5 transports the electric drive controller parts on the operating platform 4 to the assembly loading platform 6, and automatically assembles them on the assembly loading platform 6.

[0038] like Fig.16As shown, the electric drive controller 0 of the present invention includes an AC assembly 01, a DC assembly 02 and a PCB board 03. The DC assembly 01 and the AC assembly 02 are placed at corresponding positions on the PCB board 03 and are fastened by screwing. Example 2

[0039] like Figures 4 to 5 As shown, as an embodiment of the present invention, the operating platform 4 of the present invention includes a transfer cylinder 41, a transfer slide rail 42 and a transfer slide 43, wherein the transfer slide rail 42 includes two transfer slide rails 42, and the two transfer slide rails 42 are arranged on the frame 1 in parallel and at intervals; the transfer slide 43 is slidably arranged on the transfer slide rail 42, and a groove body penetrating up and down is opened in the middle of the transfer slide 43; the transfer cylinder 41 is arranged on the side of the transfer slide rail 42, and the output end is connected to the transfer slide 43, which is used to drive the transfer slide 43 to move linearly.

[0040] The operating platform 4 also includes a clamping cylinder 44, a clamping slide 45, a clamping strip 46, a support block 47 and a carrier 48, wherein the clamping cylinder 44 includes two, the two clamping cylinders 44 are respectively arranged on the transfer slide 43, and are located on both sides of the trough body, and the output ends are arranged in a direction perpendicular to the transfer slide 42; the clamping slide 45 is connected to the output end of the clamping cylinder 44, and is slidably connected to the transfer slide 43; the carrier 48 is located between the two clamping cylinders 44, and the assembly parts of the electric drive controller 0 are placed on the carrier 48; the clamping strip 46 is connected to the clamping slide 45 and is arranged along the direction of the transfer slide 42; at least two support blocks 47 are spaced apart on the clamping strip 46; the clamping cylinder 44 drives the clamping slide 43 to drive the clamping strip 46 and the support block 47 to move toward the carrier 48, the support block 47 is inserted into the bottom of the carrier 48 from below, and the clamping strip 46 clamps the carrier 48 from the side. Example 3

[0041] like Figure 6 to Figure 7 As shown, as an embodiment of the present invention, the assembly mechanism 5 of the present invention includes a robot arm 51, a robot arm output shaft 52, an assembly support 53, a screw driving component 54 and an automatic clamp 55, wherein the robot arm 51 is arranged on the machine platform of the assembly machine and has at least two degrees of freedom of movement; the robot arm output shaft is connected to the robot arm 51 and is driven by the robot arm 51 to rotate; the assembly support 53 is vertically connected to the robot arm output shaft 52; the screw driving component 54 is arranged on one side of the assembly support 53 for automatic screwing and fixing; an automatic clamp 55 is provided on the other side of the assembly support 53, and the assembly support 53 rotates with the machine arm output shaft 52 to carry out alternating material taking or screwing.

[0042] The screw driving assembly 54 includes a screw driving bracket 541, a screw driver 542 and a screw driving head 543, wherein the screw driving bracket 541 is arranged on the assembly support 53; the screw driver 542 is slidably connected to the side wall of the screw driving bracket 541, and is driven by a driving cylinder to move up and down; the screw driving head 543 is connected to the output end at the bottom of the screw driver 542, and is driven by the screw driver 542 to rotate. Example 4

[0043] like Figures 8 to 9 As shown, as an embodiment of the present invention, the automatic clamp 55 of the present invention includes a vertical support 551, a lifting component, a horizontal support 554, a clamping drive component and a clamping component, wherein the vertical support 551 is vertically arranged; the lifting component is arranged on the vertical support 551, and outputs power in the vertical direction; the horizontal support 554 is horizontally arranged on the output end of the lifting component; the clamping drive component is arranged on the horizontal support 554; the clamping component includes two groups, and the two groups of clamping components are respectively connected to the output end of the clamping drive component, and are driven by the clamping drive component to approach or move away from each other for clamping and fixing.

[0044] The lifting assembly includes a lifting cylinder 552, a lifting slide 553 and a horizontal support 554, wherein the lifting cylinder 552 is vertically arranged on one side of the vertical support 551 through a support block; the lifting slide 553 is slidably connected to a side wall of the vertical support 551 along the vertical direction, and is connected to the output end of the lifting cylinder 552; a through groove is opened in the middle of the vertical support 551; the horizontal support 554 is arranged on the other side of the vertical support 551, and is connected to the lifting slide 553 through a connecting block passing through the through groove.

[0045] The clamping drive assembly includes a clamping motor 555, a driving tooth 556, a connecting support plate 557, an inner support plate 558, a clamping slide 559 and a driving rack 5510, wherein the clamping motor 555 is arranged on a horizontal support 554, and the output shaft passes through the horizontal support 554 and extends downward; the driving tooth 556 is sleeved on the output shaft of the clamping motor 555 and is driven by the clamping motor 555 to rotate; the connecting support plate 557 includes two pieces, and the two connecting support plates 557 are respectively vertically connected to the two sides of the lower part of the horizontal support 554; the inner support plate 558 is vertically arranged at the lower part of the horizontal support 554, And it is located between the two connecting support plates 557; the clamping slide 559 includes two, and the two clamping slides 559 are slidably connected to the front and rear side walls of the inner support plate 558; the driving rack 5510 includes two, and the two driving racks 5510 are respectively arranged on the inner side walls of the two clamping slides 559, and are respectively engaged with the driving teeth 556, and the rotational movement of the driving teeth 556 drives the two clamping slides 559 to move in the opposite direction through the two driving racks 5510; the clamping assembly is arranged on the clamping slide 559, and moves with the clamping slide 559 to clamp and fix the electric drive controller.

[0046] The clamping assembly includes a clamping connection seat 5511, a spring column 5512 and a clamping block 5513, wherein the connection seat 5511 is vertically arranged on the clamping slide 559 and extends downward; the clamping block 5513 is arranged on the inner side of the clamping connection seat 5511 and is connected to the clamping connection seat 5511 through the spring column 5512.

[0047] The two ends of the spring column 5512 are respectively connected to the clamping block 5513 and the clamping connection seat 5511 by inverted buckling. The part of the spring column 5512 located in the gap between the clamping block 5513 and the clamping connection seat 5511 is sleeved with a spring. In the natural state, the elastic force of the spring drives the clamping block 5513 to move away from the clamping connection seat 5511, so as to play a buffering role when the clamping block 5513 clamps the electric drive controller. Example 5

[0048] like Figures 10 to 15As shown, as an embodiment of the present invention, the assembly loading platform 6 of the present invention includes a second loading plate 61 and an assembly component 62, the second loading plate 61 is a double-layer structure, the second loading plate 61 is placed on the frame 1, and the assembly component 62 is located above the second loading plate 61, and is moved by the external mechanical arm drive; the assembly component 62 includes a horizontally arranged carrier 621 and an assembly part 622, the carrier 621 is used to carry and place the accessories of the electric drive controller 0; as an embodiment of the present invention, the assembly part 622 of the present invention has the same structural composition and clamping structure principle as the automatic gripper 55, so it is not elaborated in the present invention; the assembly component 62 of the present invention can adopt a single group of assembly parts 622 structure, or a structure in which multiple groups of assembly parts 622 are combined with each other, so as to adapt to the use requirements of clamping and fixing multiple materials at the same time.

[0049] Furthermore, the present invention designs an automatic assembly machine for electric drive controllers that can realize automatic loading, transportation and assembly of electric drive controller accessories, effectively improve assembly efficiency, and use a single-power cooperative gear transmission method to achieve high-precision flexible contact material picking, improve material picking accuracy, and reduce damage to materials during material picking and placing. The present invention aims to provide an automatic assembly equipment for electric drive controllers used in the automated assembly process of electric drive controllers for new energy vehicles, which is used to complete the automatic handling and assembly of accessories such as AC assemblies, DC assemblies, and PCB boards of electric drive controllers through automated means. Specifically, the present invention uses a horizontally arranged frame as a carrier structure as a whole. The frame is a double-layer structure with an upper and lower layer. One side of the lower layer is open and is provided with multiple groups of feeding belts. The feeding belts extend horizontally outward and are used to receive a carrier plate equipped with electric drive controller accessories from the previous workstation and transfer the carrier plate to the inside of the frame in a straight line. After the carrier plate is received by a lifting support platform arranged in the frame, it moves upward to the upper layer of the frame, thereby realizing automatic loading and transportation of materials; multiple groups of feeding belts can independently transport different electric drive controller accessories, such as a DC assembly, an AC assembly or a PCB board; the lifting support platform drives the carrier plate to rise and fall to After the upper layer of the rack, the transfer platform moves to the lifting support platform, and the clamping cylinder set on the side drives the clamping slide and the clamping strip to approach the carrier, and the support block set on the clamping strip is used to support the carrier from the bottom. The cross section of the support block is an L-shaped structure. While supporting the carrier, the side wall of the carrier is pressed from the outside. After the carrier is clamped and fixed, the transfer cylinder drives the transfer slide to drive the carrier to move toward the inner side of the rack to the assembly mechanism. After the electric drive controller accessories on the carrier are taken out by the assembly mechanism and placed on the assembly loading platform, the assembly mechanism assembles and fixes the accessories such as the AC assembly, the DC assembly, and the cold water plate on the PCB board through the screw assembly. The assembly mechanism of the present invention includes a robot arm, an assembly support, a screw assembly and an automatic clamp. The robot arm provides multiple degrees of freedom in order to drive the assembly support and the screw assembly and automatic clamp arranged thereon to move back and forth between the transfer platform and the assembly loading platform. The screw assembly is used for screwing and fixing during the assembly process, and the automatic clamp is used for clamping and fixing the relay accessories.The automatic clamp of the present invention uses a vertical support as a supporting structure and is connected to the mechanical arm above. It is driven by the mechanical arm to move back and forth between different workstations. A lifting slide slidably connected to the vertical support is driven by a lifting cylinder to move up and down to realize lifting and lowering movement in the vertical direction, which is convenient for taking and placing materials. A horizontal support is provided at the bottom of the lifting slide, and a clamping motor is provided on the horizontal support. The output shaft of the clamping motor extends downward through the horizontal support and is sleeved with driving teeth. Vertically arranged inner support plates are respectively provided on both sides of the driving teeth as a bearing structure, so that the clamping slides on the front and rear sides can be slidably connected to the inner support plates. At the same time, driving racks are also respectively provided on the inner sides of the clamping slides on the front and rear sides, and the two driving racks are respectively meshed with the driving teeth to form a tooth connection structure. When the clamping motor drives the driving teeth to rotate, the front and rear The driving racks on both sides drive the two clamping slides and the clamping connecting seats arranged thereon to move closer to or away from each other; this driving method realizes the driving of the two clamping slides through a single clamping motor, and utilizes the characteristics of the opposite directions of the front and rear sides of the rotating driving teeth to realize the opposite movement of the two clamping slides. At the same time, the tooth connection driving method can accurately control the clamping distance compared to the traditional cylinder driving method, and effectively improves the clamping accuracy; in addition, a clamping block is provided on the inner side of the clamping connecting seat of the present invention, and the clamping block is a direct contact structure for clamping the material. The special feature is that the clamping block is connected to the inner wall of the clamping connecting seat through a spring column, that is, the clamping block is flexibly connected to the clamping connecting seat, and has a flexible adjustment space. Flexible contact is achieved when clamping the material during the clamping process, and it has a buffering function to avoid material damage caused by rigid contact.

[0050] The embodiments of the present invention are only to introduce its specific implementation methods and are not intended to limit its protection scope. The technicians in this industry can make some modifications inspired by this embodiment, so any equivalent changes or modifications made according to the scope of the patent of the present invention are within the scope of the patent claims of the present invention.

Claims

1. An electric drive controller automatic assembly machine, used for automatically assembling an electric drive controller, characterized in that: It comprises a frame (1), a feeding belt (2), a lifting support platform (3), a running platform (4), an assembly mechanism (5) and an assembly loading platform (6), wherein: The frame (1) is erected horizontally; The loading material belts (2) include at least two, and the at least two loading material belts (2) are arranged in parallel and spaced apart on a lower layer of one side of the frame (1) and extend outwards so as to receive the carrier plate and transport it into the frame (1); The lifting support platform (3) comprises at least two lifting support platforms (3), which are respectively arranged at the inner ends of at least two material loading belts (2) and move upward in a vertical direction, and are used to receive a carrier plate from the material loading belt (2) and drive the carrier plate to move upward to the top of the frame (1); The operating platforms (4) include at least two operating platforms (4), which are respectively arranged above at least two material loading belts (2) and are used to receive the carrier plate on the lifting support platform (3) and drive the carrier plate to move on the frame (1); The assembly loading platform (6) is arranged on the other side of the frame (1) and is used to carry the loading plate; The assembly mechanism (5) is arranged between the assembly loading platform (6) and the operating platform (4); the assembly mechanism (5) moves the electric drive controller parts on the operating platform (4) to the assembly loading platform (6), and automatically assembles them on the assembly loading platform (6).

2. The electric drive controller automatic assembly machine according to claim 1, characterized in that: The operating platform (4) comprises a transfer cylinder (41), a transfer slide rail (42) and a transfer slide seat (43), wherein the transfer slide rail (42) comprises two, and the two transfer slide rails (42) are arranged on the frame (1) in parallel and at intervals; the transfer slide seat (43) is slidably arranged on the transfer slide rail (42), and a groove body penetrating from top to bottom is opened in the middle of the transfer slide seat (43); the transfer cylinder (41) is arranged on the side of the transfer slide rail (42), and the output end is connected to the transfer slide seat (43) for driving the transfer slide seat (43) to move linearly.

3. The electric drive controller automatic assembly machine according to claim 2, characterized in that: The operating platform (4) further comprises a clamping cylinder (44), a clamping slide (45), a clamping strip (46), a support block (47) and a carrier plate (48), wherein the clamping cylinder (44) comprises two, the two clamping cylinders (44) are respectively arranged on the transfer slide (43) and are located on both sides of the trough body, and the output ends are arranged in a direction perpendicular to the transfer slide rail (42); the clamping slide (45) is connected to the output end of the clamping cylinder (44) and is slidably connected to the transfer slide (43); the carrier plate (48) is located The assembly parts of the electric drive controller (0) are placed on the carrier (48) between the two clamping cylinders (44); the clamping strip (46) is connected to the clamping slide (45) and is arranged along the direction of the transfer slide rail (42); at least two support blocks (47) are arranged on the clamping strip (46) at intervals; the clamping cylinder (44) drives the clamping slide (43) to drive the clamping strip (46) and the support block (47) to move toward the carrier (48), the support block (47) is inserted into the bottom of the carrier (48) from the bottom, and the clamping strip (46) clamps the carrier (48) from the side.

4. The electric drive controller automatic assembly machine according to claim 1, characterized in that: The assembly mechanism (5) comprises a robot arm (51), a robot arm output shaft (52), an assembly support (53), a screw driving assembly (54) and an automatic clamp (55), wherein the robot arm (51) is arranged on a machine platform of an assembly machine and has at least two degrees of freedom of movement; the robot arm output shaft is connected to the robot arm (51) and is driven by the robot arm (51) to rotate; the assembly support (53) is vertically connected to the robot arm output shaft (52); the screw driving assembly (54) is arranged on one side of the assembly support (53) and is used for automatic screwing and fixing; the automatic clamp (55) is arranged on the other side of the assembly support (53), and the assembly support (53) rotates with the robot arm output shaft (52) to carry out alternating material taking or screwing.

5. The electric drive controller automatic assembly machine according to claim 4, characterized in that: The screw driving assembly (54) comprises a screw driving bracket (541), a screw driving device (542) and a screw driving head (543), wherein the screw driving bracket (541) is arranged on the assembly support (53); the screw driving device (542) is slidably connected to the side wall of the screw driving bracket (541) and is driven by a driving cylinder to move up and down; the screw driving head (543) is connected to the output end at the bottom of the screw driving device (542) and is driven by the screw driving device (542) to rotate.

6. The electric drive controller automatic assembly machine according to claim 4, characterized in that: The automatic clamp (55) comprises a vertical support (551), a lifting assembly, a horizontal support (554), a clamping drive assembly and a clamping assembly, wherein the vertical support (551) is vertically arranged; the lifting assembly is arranged on the vertical support (551) and outputs power in the vertical direction; the horizontal support (554) is horizontally arranged on the output end of the lifting assembly; the clamping drive assembly is arranged on the horizontal support (554); the clamping assembly comprises two groups, and the two groups of clamping assemblies are respectively connected to the output end of the clamping drive assembly, and are driven by the clamping drive assembly to move closer to or farther from each other for clamping and fixing.

7. The electric drive controller automatic assembly machine according to claim 6, characterized in that: The lifting assembly comprises a lifting cylinder (552), a lifting slide (553) and a horizontal support (554), wherein the lifting cylinder (552) is vertically arranged on one side of the vertical support (551) through a support block; the lifting slide (553) is slidably connected to a side wall of the vertical support (551) along a vertical direction, and is connected to the output end of the lifting cylinder (552); a through groove is provided in the middle of the vertical support (551); the horizontal support (554) is arranged on the other side of the vertical support (551), and is connected to the lifting slide (553) through a connecting block that passes through the through groove.

8. The electric drive controller automatic assembly machine according to claim 7, characterized in that: The clamping drive assembly comprises a clamping motor (555), a driving tooth (556), a connecting support plate (557), an inner support plate (558), a clamping slide (559) and a driving rack (5510), wherein the clamping motor (555) is arranged on a horizontal support (554), and an output shaft passes through the horizontal support (554) and extends downward; the driving tooth (556) is sleeved on the output shaft of the clamping motor (555) and is driven by the clamping motor (555) to rotate; the connecting support plate (557) comprises two pieces, and the two connecting support plates (557) are respectively vertically connected to two sides of the lower part of the horizontal support (554); the inner support plate (558) is vertically arranged on the horizontal support (55 4) lower part, and is located between the two connecting support plates (557); the clamping slide (559) includes two, and the two clamping slides (559) are slidably connected to the front and rear side walls of the inner support plate (558); the driving rack (5510) includes two, and the two driving racks (5510) are respectively arranged on the inner side walls of the two clamping slides (559), and are respectively meshed with the driving teeth (556), and the rotational movement of the driving teeth (556) drives the two clamping slides (559) to move in the opposite direction through the two driving racks (5510); the clamping assembly is arranged on the clamping slide (559), and moves with the clamping slide (559) to clamp and fix the electric drive controller.

9. The electric drive controller automatic assembly machine according to claim 8, characterized in that: The clamping assembly comprises a clamping connection seat (5511), a spring column (5512) and a clamping block (5513), wherein the connection seat (5511) is vertically arranged on the clamping slide seat (559) and extends downward; the clamping block (5513) is arranged on the inner side of the clamping connection seat (5511) and is connected to the clamping connection seat (5511) through the spring column (5512).

10. The electric drive controller automatic assembly machine according to claim 9, characterized in that: The two ends of the spring column (5512) are respectively connected to the clamping block (5513) and the clamping connection seat (5511) in an inverted manner; a portion of the spring column (5512) located in the gap between the clamping block (5513) and the clamping connection seat (5511) is sleeved with a spring; in a natural state, the elastic force of the spring drives the clamping block (5513) to move in a direction away from the clamping connection seat (5511), so as to play a buffering role when the clamping block (5513) clamps the electric drive controller.

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