A kind of rotor silicon steel sheet cast aluminum automatic production line and production method

Abstract

The present invention belongs to the field of aluminum casting production of rotor silicon steel sheets, and specifically relates to an automatic production line and production method for aluminum casting of rotor silicon steel sheets, including a lower mold conveying device, and along the transmission direction of the lower mold conveying device, a rotor silicon steel sheet stacking device, a middle mold conveying device, a first suction cup device, an aluminum casting room, a second suction cup device, a first clamping device and a second clamping device are sequentially arranged; wherein, the rotor silicon steel sheet stacking device is used to place the rotor silicon steel sheets on the silicon steel sheet stacking tray on the lower mold conveying device; the first suction cup device installs the upper mold on the lower mold and the rotor silicon steel sheet, and the second suction cup device is used for disassembly of the upper mold; the first clamping device realizes the disassembly of the middle mold; and the second clamping device is used to move the cast aluminum rotor to the conveyor belt on one side of the rotor stacking device. The present invention allows the mold to be recycled, and at the same time the entire production line is automated, which can significantly reduce manual intervention and improve the intelligence level of the production process.

Description

Technical Field

[0001] The invention belongs to the field of aluminum casting production of silicon steel sheets for rotors, and specifically relates to an automatic production line and a production method for aluminum casting of silicon steel sheets for rotors. Background Art

[0002] Traditional rotor aluminum casting processing requires manual rotor piece alignment and counting, and then the installation of the mold for a certain amount of rotor pieces, mainly including the installation of the lower mold, middle mold, and upper mold. This process mostly requires manual installation, and the level of automation is low. After entering the aluminum casting room, the motor needs to manually disassemble the mold. The mold temperature is high and it is easy to burn. There is a lack of automated production line design to realize this process, and to realize the recycling of molds and other products on the production line, reduce manual participation, and improve the degree of automation and processing accuracy. Summary of the invention

[0003] In order to solve the technical problems existing in the prior art, the present invention proposes an automated production line and production method for rotor silicon steel sheet aluminum casting, which can realize automatic clamping, automatic alignment, and precise counting of rotor silicon steel sheets; automatic upper and lower disassembly and assembly of aluminum casting molds, etc.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] In the first aspect, the present invention provides an automated production line for cast aluminum of rotor silicon steel sheets, comprising a lower mold conveying device, along the transmission direction of the lower mold conveying device, a rotor silicon steel sheet stacking device, a middle mold conveying device, a first suction cup device, an aluminum casting room, a second suction cup device, a first clamping device and a second clamping device are sequentially arranged; wherein, the rotor silicon steel sheet stacking device is used to place the rotor silicon steel sheets on the silicon steel sheet stacking tray on the lower mold conveying device; the middle mold conveying device places the middle mold on the lower mold and the rotor silicon steel sheets; the first suction cup device installs the upper mold on the lower mold and the rotor silicon steel sheets, and the second suction cup device is used for disassembly of the upper mold; the first clamping device realizes the disassembly of the middle mold; the second clamping device is used to move the cast aluminum rotor to the conveyor belt on the side of the rotor stacking device.

[0006] As a further technical solution, the lower mold conveying device includes a conveyor belt and a conveyor roller, and the conveyor belt and the conveyor roller together form an annular conveying device structure.

[0007] As a further technical solution, the rotor silicon steel sheet stacking device includes a mechanical arm and a silicon steel sheet conveying mechanism; a driving device is installed at the end of the mechanical arm, and the driving device drives the front end electromagnet to extend and retract, suck the silicon steel sheet and send it into the silicon steel sheet conveying mechanism.

[0008] As a further technical solution, the silicon steel sheet conveying mechanism includes a shell, in which an upper transport plate driving device, a lower transport plate driving device and a lower transport plate flipping device are arranged. The upper transport plate driving device drives the upper transport plate to move linearly, and the lower transport plate driving device drives the lower transport plate to move linearly. The upper transport plate and the lower transport plate are arranged opposite to each other up and down, and the lower transport plate flipping device drives the lower transport plate to flip.

[0009] As a further technical solution, an upper transport plate limit rod is provided on the upper transport plate, and a lower transport plate limit rod is provided on the lower transport plate; the upper transport plate limit rod and the lower transport plate limit rod will align the silicon steel sheets; and the upper transport plate limit rod is a magnetic metal and has an adsorption effect.

[0010] As a further technical solution, a gravity sensor is also arranged on the lower transport plate.

[0011] As a further technical solution, the lower transport plate turning device includes a cylinder, a rack, and a gear; a slide is vertically arranged on the shell, and the cylinder body of the cylinder is connected to the slide through a slide plate; the piston rod of the cylinder is connected to the rack; the rack is arranged in a limiting groove, and the cylinder pushes the rack to make a linear motion, and the rack is meshed with the gear; the center axis of the gear is fixed in a connecting plate fixed to the lower transport plate.

[0012] As a further technical solution, the middle mold conveying device includes a first retractable bracket, a second retractable bracket and a lifting mechanism; the middle mold conveying mechanism is installed on the first retractable bracket, and the middle mold conveying mechanism is located above the lower mold conveying device, and is used to convey the middle mold to the lower mold conveying device; the second retractable bracket is arranged on one side of the first retractable bracket, and the top of the second retractable bracket is a middle mold placement plate, and the middle mold placement plate is connected to the entrance of the middle mold conveying mechanism through a middle mold slide; the lifting mechanism is arranged on one side of the second retractable bracket, and the top of the lifting mechanism is a transmission roller.

[0013] As a further technical solution, the middle mold transmission mechanism includes an opening and closing drive motor and a rotating frame; the opening and closing drive motor drives the rotating frame, and the two ends of the rotating frame are respectively connected to a drive rod, and the drive rods are located on different sides of the rotating frame, and the other ends of the two drive rods are respectively connected to a movable plate, and each movable plate is connected to an opening and closing frame; each opening and closing frame is connected to a clamping frame.

[0014] In the second aspect, the present invention further provides a production method based on the above production line, which is as follows:

[0015] The rotor silicon steel sheets are quantitatively aligned by the rotor silicon steel sheet stacking device, and then placed on the lower die transported by the lower die conveying device, and then transported to the middle die conveying device by the lower die conveying device to place the middle die, and then transported to the first suction cup device by the lower die conveying device to install the upper die. At this point, the preparation work before aluminum casting is ready; enter the aluminum casting room for aluminum casting. After aluminum casting is completed, it is transferred to the second suction cup device by the lower die conveying device, and the upper die is disassembled by the second suction cup device. The upper die conveying roller transports the disassembled upper die back to the first suction cup device to prepare for the next round of installation;

[0016] The rotor is continuously transported to the first clamping device through the lower die conveying device to realize the disassembly of the middle die, and the middle die is placed on the middle die conveying roller through the first clamping device and transported back to the middle die conveying device to prepare for the next round of installation;

[0017] The remaining part continues to be transported to the second clamping device through the lower mold conveying device. The second clamping device moves the cast aluminum rotor to the conveyor belt on the side of the rotor stacking device, and the rotor is stacked on the finished product stacking tray through the rotor stacking device; the lower mold is transported back to the rotor silicon steel sheet stacking device through the lower mold conveying device to prepare for the next round of cast aluminum production line operation.

[0018] The beneficial effects of the present invention are as follows:

[0019] 1. The present invention adopts a production line cycle design method so that the mold can be recycled. At the same time, the entire production line is automated, which can significantly reduce manual intervention and improve the intelligence level of the production process.

[0020] 2. The silicon steel sheet conveying mechanism proposed in the present invention can realize automatic alignment and accurate counting of rotor sheets, thereby improving the degree of automation.

[0021] 3. The rotor silicon steel sheet aluminum casting automatic production line and production method proposed in the present invention can realize the automatic installation and automatic disassembly of the aluminum casting mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the automatic production line for rotor silicon steel sheet aluminum casting Figure 1 ;

[0023] Figure 2 Schematic diagram of the automatic production line for rotor silicon steel sheet aluminum casting Figure 2 ;

[0024] Figure 3 This is a complete schematic diagram of the rotor silicon steel sheet stacking device;

[0025] Figure 4 Schematic diagram of silicon steel sheet conveying mechanism Figure 1 ;

[0026] Figure 5 Schematic diagram of silicon steel sheet conveying mechanism Figure 2 ;

[0027] Figure 6 The overall diagram of the middle mold transfer device Figure 1 ;

[0028] Figure 7 Partial diagram of the middle mold transfer device Figure 2 ;

[0029] Figure 8 Partial diagram of the middle mold transfer device Figure 3 ;

[0030] Fig. 9 Partial diagram of the middle mold transfer device Figure 4 ;

[0031] Fig.10 is a schematic diagram of a suction cup device;

[0032] Fig.11 A schematic diagram of a suction cup hand;

[0033] Fig.12 Schematic diagram of the clamping device Figure 1 ;

[0034] Fig.13 Schematic diagram of the clamping device Figure 2 ;

[0035] In the figure: 1. Rotor silicon steel sheet stacking device, 2. Middle die conveying device, 3. First suction cup device, 4. Second suction cup device, 5. First clamping device, 6. Second clamping device, 7. Rotor stacking device, 8. Finished product stacking tray, 9. Upper die conveying roller, 10. Aluminum casting room, 11. Middle die conveying roller, 12. Lower die conveying device, 13. Silicon steel sheet stacking tray;

[0036] 1-1. Robotic arm, 1-2. Electromagnet housing, 1-3. Electromagnet, 1-4. Steel frame, 1-5. Silicon steel sheet conveying mechanism, 1-6. Screw motor, 1-7. Second drive motor, 1-8. Second moving slider, 1-9. Upper transport plate, 1-10. Upper transport plate limit rod, 1-11. First drive motor, 1-12. Speed ​​reducer, 1-13. First connecting piece, 1-14. First screw, 1-15. First polished rod, 1-16. First screw nut, 1 -17. Gear, 1-18. Limiting groove, 1-19. Rack, 1-20. Cylinder, 1-21. Slide plate, 1-22. Second light rod, 1-23. Second lead screw, 1-24. Second connecting piece, 1-25. Lower transport plate limiting rod, 1-26. Gravity sensor, 1-27. Hinge, 1-28. Lower base, 1-29. Cylinder slide, 1-30. Lower transport plate, 1-31. Shell, 1-32. First movable slider, 1-33. Second lead screw nut;

[0037] 2-1. Opening and closing drive motor, 2-2. Motor fixing plate, 2-3. First retractable bracket, 2-4. Second retractable bracket, 2-5. Lifting chassis fixing plate, 2-6. Lifting mechanism, 2-7. Lifting mechanism outer frame, 2-8. Transmission roller, 2-9. Opening and closing mechanism outer frame, 2-10. Middle mold slideway, 2-11. First slider, 2-12. First slideway, 2-13. First fixing pin, 2-14. Opening and closing frame, 2-15. Clamping frame, 2-16. Second slideway, 2-17. Second fixing pin, 2-18. Second slider, 2-19. Rotating frame, 2-20. Third fixing pin, 2-21. Driving rod, 2-22. Fourth fixing pin, 2-23. Moving plate;

[0038] 3-1. Truss fixing plate, 3-2. Connecting rod, 3-3. Suction cup fixing plate, 3-4. Support frame, 3-5. Fixed suction cup frame, 3-6. Clamping cylinder fixing plate, 3-7. Clamping cylinder, 3-8. Suction cup, 3-9. Rotating suction cup frame, 3-10. Connecting pin, 3-11. Rotating connecting plate;

[0039] 4-1. Clamping device fixing plate, 4-2. Clamping device supporting frame, 4-3. Clamping column fixing plate, 4-4. First clamping plate, 4-5. Fixed block, 4-6. Clamping device moving plate, 4-7. Second clamping plate, 4-8. Connecting column, 4-9. Connecting piece, 4-10. Driving motor, 4-11. Moving slider. DETAILED DESCRIPTION

[0040] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0041] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless otherwise explicitly stated in the present invention, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof;

[0042] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present invention, they only indicate that they are consistent with the up, down, left and right directions of the drawings themselves, and do not limit the structure. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0043] Terminology explanation section: The terms "install", "connect", "connect", "fixed" and the like in the present invention should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral whole; 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 an internal connection between two elements, or an interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0044] The rotor silicon steel sheet alignment equipment and aluminum casting automatic production line proposed in this embodiment can realize the equipment and production line design of automatic alignment of rotor silicon steel sheets, automatic aluminum casting of rotors, upper and lower molds, and automated work;

[0045] like Figure 1 As shown, the rotor silicon steel sheet aluminum casting production line disclosed in this embodiment includes a rotor silicon steel sheet stacking device 1, a middle mold conveying device 2, a first suction cup device 3, a second suction cup device 4, a first clamping device 5, a second clamping device 6, a rotor stacking device 7, a finished product stacking tray 8, an upper mold conveying roller 9, an aluminum casting room 10, a middle mold conveying roller 11, a lower mold conveying device 12, and a silicon steel sheet stacking tray 13;

[0046] Among them, the lower mold conveying device 12 includes a conveyor belt and a conveyor roller, and the conveyor belt and the conveyor roller together form a ring conveying device structure; along the transmission direction of the lower mold conveying device 12, a rotor silicon steel sheet stacking device 1, a middle mold conveying device 2, a first suction cup device 3, an aluminum casting room 10, a second suction cup device 4, a first clamping device 5 and a second clamping device 6 are sequentially arranged at the position of the conveying roller; wherein the rotor silicon steel sheet stacking device 1 is used to place the rotor silicon steel sheet on the silicon steel sheet stacking tray 13 on the conveying roller of the lower mold conveying device 12; the middle mold conveying device 2 realizes the installation of the middle mold; the first suction cup device 3 realizes the installation of the upper mold, and the second suction cup device 4 is used for the disassembly of the upper mold; the first clamping device 5 realizes the disassembly of the middle mold; the second clamping device 6 is used to move the cast aluminum rotor to the conveyor belt on one side of the rotor stacking device 7, and the conveyor belt is located on the outside of the lower mold conveying device 12, and a finished product stacking tray 8 is arranged on one side of the conveyor belt;

[0047] An upper die conveying roller 9 is arranged on one side of the conveying roller of the lower die conveying device 12, and a middle die conveying roller 11 is arranged on the other side. The upper die conveying roller 9 is used to convey the upper die from the position where the second suction cup device 4 is located to the position where the first suction cup device 3 is located, and the upper die conveying roller 9 is located on the outside of the lower die conveying device 12; the middle die conveying roller 11 is used to convey the middle die from the position where the first clamping device 5 is located to the position where the middle die conveying device 2 is located, and the middle die conveying roller 11 is located on the inside of the lower die conveying device 12; and the length of the middle die conveying roller 11 is longer than that of the upper die conveying roller 9;

[0048] The specific workflow is as follows:

[0049] The rotor silicon steel sheets are quantitatively aligned by the rotor silicon steel sheet stacking device 1, and then placed on the lower die transported by the lower die conveying device 12, and then transported to the middle die conveying device 2 by the lower die conveying device 12 to place the middle die, and then transported to the first suction cup device 3 by the lower die conveying device 12 to install the upper die, so that the preparation work before aluminum casting is ready. Enter the aluminum casting room 10 for aluminum casting. After aluminum casting is completed, it is moved to the second suction cup device 4 by the lower die conveying device 12, and the upper die is disassembled by the second suction cup device 4. The upper die conveying roller 9 transports the disassembled upper die back to the first suction cup device 3 to prepare for the next round of installation.

[0050] The rotor is continuously transported to the first clamping device 5 through the lower mold conveying device 12 to realize the disassembly of the middle mold. The middle mold is then placed on the middle mold conveying roller 11 through the first clamping device 5 and transported back to the middle mold conveying device 2 to prepare for the next round of installation.

[0051] The remaining part is transported to the second clamping device 6, which moves the cast aluminum rotor to the conveyor belt on the side of the rotor stacking device 7, and the rotor is stacked on the finished product stacking tray 8 through the rotor stacking device 7. The lower mold is transported back to the rotor silicon steel sheet stacking device 1 through the lower mold conveying device 12 to prepare for the next round of aluminum casting production line operation.

[0052] The above-mentioned aluminum casting production line can not only complete the production process of rotor silicon steel sheets, but also realize the automatic disassembly and recycling of the upper mold, lower mold and middle mold, thus realizing full intelligence.

[0053] like Figure 2 As shown, it is a schematic diagram of the state of the rotor stacking device 7 in this embodiment stacking rotor silicon steel sheets. The rotor stacking device 7 includes a mechanical arm 1-1 and a silicon steel sheet conveying mechanism 1-5; the mechanical arm 1-1 drives the front end electromagnet 1-3 to extend and retract through the screw motor 1-6, and the electromagnet 1-3 is surrounded by an electromagnet housing 1-2. The electromagnet 1-3 absorbs the silicon steel sheet and sends it into the silicon steel sheet conveying mechanism 1-5 supported by the steel frame 1-4, wherein the steel frame 1-4 spans above the conveying roller of the lower mold conveying device 12, so that the silicon steel sheet conveying mechanism 1-5 is located above the conveying roller of the lower mold conveying device 12; further, the steel frame 1-4 can also be designed as a height-adjustable support frame structure.

[0054] Specifically, Figure 3 , Figure 4 As shown, the silicon steel sheet conveying mechanism 1-5 is integrally installed on an X / Y drive device, and the X / Y drive device is installed on the steel frame 1-4; the silicon steel sheet conveying mechanism 1-5 can perform overall position adjustment in the X / Y direction, wherein the silicon steel sheet conveying mechanism 1-5 includes a shell 1-31, and an upper transport plate drive device, a lower transport plate drive device and a lower transport plate flipping device are arranged in the shell 1-31; the upper transport plate drive device drives the upper transport plate 1-9 to make up and down linear motion, and the lower transport plate drive device drives the lower transport plate 1-30 to make up and down linear motion, the upper transport plate 1-9 and the lower transport plate 1-30 are arranged relatively to each other up and down, and the two can perform relative motion to realize the position exchange of the silicon steel sheets on the upper transport plate 1-9 and the lower transport plate 1-30; the lower transport plate flipping device drives the lower transport plate 1-30 to flip. It should be noted that, in other embodiments, the lower transport plate driving device in this embodiment can be changed into a lower transport plate fixing device, that is, the lower transport plate 1-30 does not move up and down, and only the upper transport plate 1-9 moves up and down;

[0055] Among them, the lower transport plate driving device includes a first driving motor 1-11, a first lead screw 1-14, a first light rod 1-15, a first movable slider 1-32, a first lead screw nut 1-16, and a first connecting member 1-13; the first driving motor 1-11 drives the first lead screw 1-14, the first lead screw nut 1-16 of the first lead screw 1-14 is connected to the first movable slider 1-32, and the first movable slider 1-32 is mounted on the first light rod 1-15; and the top of the first light rod 1-15 is connected to the first lead screw 1-14 through the first connecting member 1-13. The first movable slider 1-32 is connected to the lower transport plate 1-30; the first drive motor 1-11 drives the first lead screw 1-14 to rotate, and the first lead screw 1-14 drives the first movable slider 1-32 to move along the first light rod 1-15 through the first lead screw nut 1-16, and the first movable slider 1-32 drives the lower transport plate 1-30 to move downward; the lower transport plate 1-30 and the first movable slider 1-32 are connected by a hinge 1-27, that is, under the action of external force, the lower transport plate 1-30 can be flipped relative to the first movable slider 1-32;

[0056] The above-mentioned first driving motor 1-11 drives the first screw 1-14 after being decelerated by the reduction gear box 1-12.

[0057] The above-mentioned upper transport plate driving device includes a second driving motor 1-7, a second lead screw 1-23, a second polished rod 1-22, a second movable slider 1-8, a second lead screw nut 1-33, and a second connecting piece 1-24; the second driving motor 1-7 drives the second lead screw 1-23, the second lead screw nut 1-33 of the second lead screw 1-23 is connected to the second movable slider 1-8, and the second movable slider 1-8 is mounted on the second polished rod 1-22; and the top of the second polished rod 1-22 is connected to the second lead screw 1-23 through the second connecting piece 1-24; the second movable slider 1-8 is connected to the upper transport plate 1-9; the second driving motor 1-7 drives the second lead screw 1-23 to rotate, the second lead screw 1-23 drives the second movable slider 1-8 to move along the second polished rod 1-22 through the second lead screw nut 1-33, and the second movable slider 1-8 drives the upper transport plate 1-9 to move downward;

[0058] The above-mentioned second drive motor 1-7 also drives the second screw 1-23 after being decelerated by the reduction gear box.

[0059] The lower transport plate flipping device includes a cylinder 1-20, a rack 1-19, and a gear 1-17; a cylinder slide 1-29 is vertically arranged on the shell 1-31, and the cylinder body part of the cylinder is connected to the cylinder slide 1-29 through a slide plate 1-21; the piston rod of the cylinder 1-20 is connected to a rack 1-19; the rack 1-19 is arranged in a limiting groove 1-18, and the cylinder 1-20 can push the rack 1-19 to make a linear motion, and the rack 1-19 is meshed with the gear 1-17; the central axis of the gear 1-17 is fixed in a connecting plate fixed to the lower transport plate 1-30, and when the gear 1-17 rotates, the connecting plate can be synchronously rotated, thereby realizing the flipping of the lower transport plate 1-30; the limiting groove 1-18 is connected to the above-mentioned first movable slider 1-32, so that the lower transport plate flipping device can move up and down with the lower transport plate 1-30.

[0060] Furthermore, an upper transport tray limit rod 1-10 is provided on the upper transport tray 1-9; a lower transport tray limit rod 1-25 is provided on the lower transport tray 1-30; the silicon steel sheets can be aligned by providing the upper transport tray limit rod 1-10 and the lower transport tray limit rod 1-25.

[0061] Furthermore, a gravity sensor 1-26 is also provided on the lower transport plate 1-30; the gravity sensor 1-26 measures the mass of the silicon steel sheets, calculates the number of silicon steel sheets according to the mass of a single silicon steel sheet, and establishes the accumulation of different numbers of silicon steel sheets under different magnetic requirements of different motors to realize subsequent automatic aluminum casting.

[0062] Furthermore, the upper transport plate limit rod 1-10 is a magnetic metal and has an adsorption effect, and can directly adsorb the silicon steel sheet to the bottom of the upper transport plate 1-9, and the upper transport plate limit rod 1-10 can be magnetically controlled by powering on or off, thereby achieving the adsorption or lowering of the silicon steel sheet.

[0063] The specific working process is as follows:

[0064] The electromagnet 1-3 on the robot arm 1-1 places the silicon steel sheets on the silicon steel sheet stacking tray 13 on the lower transport tray 1-30;

[0065] When the gravity sensor 1-26 on the lower transport plate 1-30 detects the weight, it counts, the upper transport plate 1-9 starts to move downward, and the lower transport plate 1-30 starts to move upward;

[0066] During the transportation process, the upper transport tray 1-9 sucks the silicon steel sheet from the lower transport tray 1-30 to its bottom and aligns it through the upper transport tray limit rod 1-10 with a built-in electromagnet;

[0067] Then, the lower transport tray flipping device drives the lower transport tray 1-30 to flip downward or upward, leaving a channel for the upper transport tray 1-9 to continue to move downward; (when flipping upward, the upper transport tray 1-9 needs to move upward a certain distance before the lower transport tray 1-30 flips upward; when flipping downward, the lower transport tray 1-30 can be flipped downward directly, but it must be ensured that the lowering distance of the silicon steel sheet is not affected after the lower transport tray 1-30 flips downward)

[0068] The upper transport plate 1-9 continues to move downward, and when the upper transport plate 1-9 moves to the position of the lower base 1-28, it stops moving, and then sends the silicon steel sheet to the lower mold conveyed by the lower mold conveying device 12 below.

[0069] Furthermore, the middle mold conveying device 2 in this embodiment includes a first retractable bracket 2-3, a second retractable bracket 2-4, a lifting mechanism 2-6 and a middle mold conveying mechanism; the middle mold conveying mechanism is installed on the first retractable bracket 2-3, and the middle mold conveying mechanism is located above the lower mold conveying device 12, and is used to convey the middle mold to the lower mold conveying device 12; the second retractable bracket 2-4 is arranged on one side of the first retractable bracket 2-3, and the conveying roller of the middle mold is arranged on the top of the second retractable bracket 2-4, and the conveying roller of the middle mold passes through the middle mold slideway 2-1 0 is connected to the entrance of the middle mold conveying mechanism; the lifting mechanism 2-6 is arranged on one side of the second telescopic bracket 2-4, the bottom of the lifting mechanism 2-6 is the lifting chassis fixing plate 2-5, the lifting chassis fixing plate 2-5 is fixed to the ground, the top of the lifting mechanism 2-6 is the lifting mechanism outer frame 2-7, and the top of the lifting mechanism outer frame 2-7 is the transmission roller 2-8; under the drive of the lifting structure, the transmission roller 2-8 can be flush with the transmission roller of the middle mold at the top of the second telescopic bracket 2-4, and finally the middle mold is transmitted to the middle mold slideway 2-10 of the middle mold conveying mechanism.

[0070] Furthermore, the middle mold transmission mechanism includes an opening and closing drive motor 2-1 and a rotating frame 2-19; ​​the opening and closing drive motor 2-1 is fixed to the outer frame 2-9 of the opening and closing mechanism through a motor fixing plate 2-2 to drive the rotating frame 2-19 to rotate, one end of the rotating frame 2-19 is connected to the first fixing pin 2-13, and the other end is connected to the third fixing pin 2-20, the first fixing pin 2-13 and the third fixing pin 2-20 are each connected to a driving rod 2-21, and the two driving rods 2-21 are located on different sides of the rotating frame 2-19, one One is located on the left side and the other is located on the right side; the other ends of the two driving rods 2-21 are respectively connected to a movable plate 2-23 through the second fixed pin 2-17 and the fourth fixed pin 2-22, and the two movable plates 2-23 are parallel to each other; when the opening and closing drive motor 2-1 rotates, the two movable plates 2-23 can move towards or away from each other, each movable plate 2-23 is connected to an opening and closing frame 2-14, and each opening and closing frame 2-14 is connected to a clamping frame 2-15, and the two clamping frames 2-15 can clamp the middle mold or loosen the middle mold.

[0071] Furthermore, one of the movable plates 2-23 is connected to the first slider 2-11, the first slider 2-11 cooperates with the first slide 2-12, and the first slide 2-12 is installed at the bottom of the outer frame 2-9 of the opening and closing mechanism; the other movable plate 2-23 is connected to the second slider 2-18, the second slider 2-18 cooperates with the second slide 2-16, and the second slide 2-16 is installed at the bottom of the outer frame 2-9 of the opening and closing mechanism; that is, the two movable plates 2-23 make linear motion under the constraint of the slide.

[0072] The working principle of the middle mold transmission mechanism is:

[0073] The first retractable bracket 2-3 and the second retractable bracket 2-4 can both be raised and lowered. The second retractable bracket 2-4 can be raised and lowered to achieve flushness with the lifting mechanism 2-6 and realize the transmission of the middle mold; the first retractable bracket 2-3 can be raised and lowered to adjust the installation height of the middle mold; the lifting chassis fixing plate 2-5 is fixed to the ground, and the lifting mechanism 2-6 realizes height adjustment to achieve docking with the middle mold conveying roller 11 and the second retractable bracket 2-4;

[0074] The middle mold slide 2-10 transfers the middle mold to the clamping frame 2-15, and drives the rotation of the rotating frame 2-19 through the opening and closing driving motor 2-1. The rotating frame 2-19 drives the two moving plates 2-23 to move linearly through the driving rods 2-21 located at both ends thereof, so as to realize the opening and closing of the clamping frame 2-15 driven by the opening and closing frame 2-14;

[0075] The middle mold is adjusted in position by opening and closing the clamping frame 2-15 to achieve dropping, thereby finally achieving installation of the middle mold.

[0076] In this embodiment, the first suction cup device 3 and the second suction cup device 4 have the same structure. In this embodiment, the first suction cup device 3 is taken as an example to illustrate the structure of the first suction cup device 3 and the second suction cup device 4. Specifically, the first suction cup device 3 includes a truss fixing plate 3-1, a connecting rod 3-2, a suction cup fixing plate 3-3, a support frame 3-4, a fixed suction cup frame 3-5, a clamping cylinder fixing plate 3-6, a clamping cylinder 3-7, a suction cup 3-8, a rotating suction cup frame 3-9, a connecting pin 3-10, and a rotating connecting plate 3-11;

[0077] The support frame 3-4 is provided with an X / Y drive device, and the X / Y drive device is connected to the truss fixing plate 3-1, and the truss fixing plate 3-1 is connected to the connecting rod 3-2; the connecting rod 3-2 is connected to the suction cup fixing plate 3-3, and the suction cup fixing plate 3-3 is rotatably connected to the rotating connecting plate 3-11 through the connecting pin 3-10, and the rotating connecting plate 3-11 is connected to the fixed suction cup frame 3-5 and the rotating suction cup frame 3-9, and a plurality of clamping cylinders 3-7 are arranged on the fixed suction cup frame 3-5 and the rotating suction cup frame 3-9, and the bottom of the clamping cylinder 3-7 is a suction cup 3-8; the working principle is: the truss fixing plate 3-1 is connected to the truss, and the truss fixing plate 3-1 is fixed to the suction cup fixing plate 3-3 through the connecting rod 3-2, and when released, the rotation of the rotating connecting plate 3-11 drives the rotating suction cup frame 3-9 and the clamping cylinder 3-7 drives the suction cup 3-8 to be tightened to realize the adsorption of the upper mold.

[0078] The first clamping device 5 and the second clamping device 6 in this embodiment have the same structure. Taking one of them as an example, the following description is provided: the first clamping device 5 and the second clamping device 6 in this embodiment have the same structure. The first clamping device 5 and the second clamping device 6 in this embodiment are taken as an example for description: the first clamping device 5 and the second clamping device 6 in this embodiment include an X / Y-direction driving device, which is arranged on a clamping device supporting frame 4-2. A clamping device fixing plate 4-1 is arranged at the bottom of the X / Y-direction driving device; a slide rail is arranged at the bottom of the clamping device fixing plate 4-1, a driving motor 4-10 is arranged at one end of the clamping device fixing plate 4-1, a moving slider 4-11 is arranged on the slide rail, and the driving motor 4-10 drives the clamping device through a screw transmission device. The movable plate 4-6 moves, and two connecting columns 4-8 are suspended on the movable plate 4-6 of the clamping device, and a second clamping plate 4-7 is arranged at the bottom of each connecting column 4-8; and a fixed block 4-5 is arranged at the other end of the fixed plate 4-1 of the clamping device, and a clamping column fixed plate 4-3 is arranged at the bottom of the fixed block 4-5, and two connecting columns 4-8 are suspended on the clamping column fixed plate 4-3, and a first clamping plate 4-4 is arranged at the bottom of each connecting column 4-8; the above-mentioned movable plate 4-6 of the clamping device is connected to the screw transmission device through a connecting piece 4-9.

[0079] The working principle is: the driving motor 4-10 drives the screw transmission device, and the screw transmission device drives the second clamping plate 4-7 to move toward the direction close to the first clamping plate 4-4 or away from the first clamping plate 4-4, thereby realizing the opening and closing of the first clamping plate 4-4 and the second clamping plate 4-7, and then through the cooperation between the two, the clamping of the middle mold or the cast aluminum rotor is realized.

[0080] Furthermore, the aluminum casting room 10 in this embodiment is an existing aluminum casting device for rotor silicon steel sheets, so it will not be described in detail here.

[0081] Finally, it should be noted that relational terms such as first and second are merely used to distinguish one entity or operation from another entity or operation, but do not necessarily require or imply any actual relationship or order between these entities or operations.

[0082] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic production line for aluminum casting of rotor silicon steel sheets, characterized in that: It comprises a lower die conveying device, and along the transmission direction of the lower die conveying device, a rotor silicon steel sheet stacking device, a middle die conveying device, a first suction cup device, an aluminum casting room, a second suction cup device, a first clamping device and a second clamping device are sequentially arranged; wherein the rotor silicon steel sheet stacking device is used to place the rotor silicon steel sheets on the silicon steel sheet stacking tray on the lower die conveying device; the middle die conveying device places the middle die on the lower die and the rotor silicon steel sheets; the first suction cup device installs the upper die on the lower die and the rotor silicon steel sheets, and the second suction cup device is used for disassembly of the upper die; the first clamping device realizes the disassembly of the middle die; the second clamping device is used to move the cast aluminum rotor to the conveyor belt on one side of the rotor stacking device; The rotor silicon steel sheet stacking device comprises a mechanical arm and a silicon steel sheet conveying mechanism; a driving device is installed at the end of the mechanical arm, and the driving device drives the front end electromagnet to extend and retract, suck the silicon steel sheet and send it into the silicon steel sheet conveying mechanism; The silicon steel sheet conveying mechanism comprises a shell, in which an upper transport plate driving device, a lower transport plate driving device and a lower transport plate turning device are arranged, the upper transport plate driving device drives the upper transport plate to make a linear motion, the lower transport plate driving device drives the lower transport plate to make a linear motion, the upper transport plate and the lower transport plate are arranged opposite to each other up and down, and the lower transport plate turning device drives the lower transport plate to turn over; The upper transport tray is provided with an upper transport tray limit rod, and the lower transport tray is provided with a lower transport tray limit rod; the upper transport tray limit rod and the lower transport tray limit rod will align the silicon steel sheets; and the upper transport tray limit rod is a magnetic metal and has an adsorption effect; The lower die conveying device comprises a conveyor belt and a conveyor roller, which together form an annular conveying device structure. An upper die conveying roller is arranged on one side of the conveying roller of the lower die conveying device, and a middle die conveying roller is arranged on the other side.

2. The rotor silicon steel sheet aluminum casting automatic production line according to claim 1, characterized in that: A gravity sensor is also provided on the lower transport plate.

3. The rotor silicon steel sheet aluminum casting automatic production line according to claim 1, characterized in that: The lower transport plate turning device includes a cylinder, a rack and a gear; a slide is vertically arranged on the shell, and the cylinder body of the cylinder is connected to the slide through a slide plate; the piston rod of the cylinder is connected to the rack; the rack is arranged in a limiting groove, and the cylinder pushes the rack to make a linear motion, and the rack is meshed with the gear; the central axis of the gear is fixed in a connecting plate fixed to the lower transport plate.

4. The rotor silicon steel sheet aluminum casting automatic production line according to claim 1, characterized in that: The middle mold conveying device includes a first retractable bracket, a second retractable bracket and a lifting mechanism; the middle mold conveying mechanism is installed on the first retractable bracket, the middle mold conveying mechanism is located above the lower mold conveying device, and is used to convey the middle mold to the lower mold conveying device; the second retractable bracket is arranged on one side of the first retractable bracket, and the top of the second retractable bracket is a middle mold placement plate, and the middle mold placement plate is connected to the entrance of the middle mold conveying mechanism through a middle mold slide; the lifting mechanism is arranged on one side of the second retractable bracket, the top of the lifting mechanism is the lifting mechanism outer frame, and the top of the lifting mechanism outer frame is a transmission roller.

5. The rotor silicon steel sheet aluminum casting automatic production line according to claim 4, characterized in that: The middle mold transmission mechanism includes an opening and closing drive motor and a rotating frame; the opening and closing drive motor drives the rotating frame, and the two ends of the rotating frame are respectively connected to a drive rod, and the drive rods are located on different sides of the rotating frame, and the other ends of the two drive rods are respectively connected to a movable plate, and each movable plate is connected to an opening and closing frame; each opening and closing frame is connected to a clamping frame.

6. The production method of the rotor silicon steel sheet aluminum casting automatic production line according to any one of claims 1 to 5, characterized in that: The rotor silicon steel sheets are quantitatively aligned by the rotor silicon steel sheet stacking device, and then placed on the lower die transported by the lower die conveying device, and then transported to the middle die conveying device by the lower die conveying device to place the middle die, and then transported to the first suction cup device by the lower die conveying device to install the upper die. At this point, the preparation work before aluminum casting is ready; enter the aluminum casting room for aluminum casting. After aluminum casting is completed, it is transferred to the second suction cup device by the lower die conveying device, and the upper die is disassembled by the second suction cup device. The upper die conveying roller transports the disassembled upper die back to the first suction cup device to prepare for the next round of installation; The rotor is continuously transported to the first clamping device through the lower die conveying device to realize the disassembly of the middle die, and the middle die is placed on the middle die conveying roller through the first clamping device and transported back to the middle die conveying device to prepare for the next round of installation; The remaining part continues to be transported to the second clamping device through the lower mold conveying device. The second clamping device moves the cast aluminum rotor to the conveyor belt on the side of the rotor stacking device, and the rotor is stacked on the finished product stacking tray through the rotor stacking device; the lower mold is transported back to the rotor silicon steel sheet stacking device through the lower mold conveying device to prepare for the next round of cast aluminum production line operation.

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