Rotor press-fitting device for manufacturing axial flow fan for fire fighting

Abstract

The invention belongs to the technical field of axial flow fan rotor press-fitting devices, particularly relates to a rotor press-fitting device for manufacturing an axial flow fan for fire fighting, and provides the following scheme for solving the problems in the prior art: the rotor press-fitting device comprises a rotating column, and at least two press-fitting grooves are formed between two sides of the rotating column; an open groove is formed between the circumferential side face of the press-fitting groove and the circumferential side face of the rotating column, the circumferential side face of the rotating column is slidably connected with a moving box aligned with the open groove, and openings are formed in the two sides of the moving box. The bearing body, the rotor body and the mounting shaft body are installed in the moving box, the fixed box and the storage box through the arranged rotating column, so that the bearing body, the rotor body and the mounting shaft body enter the press-fitting groove, a second motor drives a first lead screw to rotate, and the first lead screw drives a lifting plate and a connecting frame to move; the lifting plate and the connecting frame drive the lifting baffle to move, and the lifting baffle drives the bearing body to move into the press-fitting groove.

Description

Technical Field

[0001] The invention relates to the technical field of axial flow fan rotor press-fitting devices, and in particular to a rotor press-fitting device used for manufacturing axial flow fans for fire fighting. Background Art

[0002] An axial flow fan is a fan used in applications where a large amount of air volume is required. During the production process of an axial flow fan, a pressing device is required to press the shaft and rotor together.

[0003] After searching, a Chinese patent application with application publication number CN116393964A is named a rotor pressing device for manufacturing axial flow fans for fire protection. When the clamped rotor end and the top of the pressing component are slightly tilted, the pressing button on the upper surface of the pressure gauge will be unbalanced, and the balance state of the pressure gauge will be broken, and then a signal will be sent to cut off the power to the pressure motor and stop working, so as to prevent the problem that after the rotor end is pressed, the gap between the rotor end and the pressing component is too large, and the inclination angle is not conducive to the rotation of the rotor, so that the product is immediately scrapped, thereby increasing the yield rate and reducing unnecessary losses in the production process.

[0004] However, the patented device needs to stop production before disassembling parts, which makes it impossible for the device to press-fit parts while disassembling the pressed parts, affecting the production efficiency of the device. Summary of the invention

[0005] Based on the technical problems existing in the prior art, the present invention proposes a rotor pressing device for manufacturing an axial flow fan for fire fighting.

[0006] The present invention proposes a rotor pressing device for manufacturing an axial flow fan for fire protection, comprising a rotating column, at least two pressing grooves are opened between the two sides of the rotating column, a groove is opened between the circumferential side of the pressing groove and the circumferential side of the rotating column, the circumferential side of the rotating column is slidably connected with a movable box aligned with the groove, openings are opened on both sides of the movable box, the top of the opening is fixedly connected with a fixed plate, one side of the fixed plate is slidably connected with a lifting baffle, the bottom of the lifting baffle extends to the inside of the groove, a bearing body is evenly slidably connected between the two inner walls of the movable box, and the circumferential side of the bearing body abuts against the bottom of the lifting baffle.

[0007] Preferably, the side outer wall of the moving box is fixedly connected to motor 2 aligned with the lifting baffle, the output shaft of motor 2 is fixedly connected to screw rod 1, the circumferential side of screw rod 1 is threadedly connected to the lifting plate, and the side of the lifting plate is fixedly connected to the side of the lifting baffle.

[0008] Preferably, the side of the lifting plate is slidably connected to the side outer wall of the moving box, both sides of a lifting plate are fixedly connected to a connecting frame, the other end of the connecting frame is fixedly connected to the side of another lifting baffle, and one side of the connecting frame is slidably connected to one outer wall of the moving box.

[0009] Preferably, both ends of the circumferential side surface of the rotating column are rotatably connected to a fixed cylinder, the circumferential side surface of the fixed cylinder is fixedly connected to a support frame, the side surface of the fixed cylinder is fixedly connected to motor 1, the output shaft of motor 1 is fixedly connected to a rotating shaft, the circumferential side surface of the rotating shaft is fixedly connected to the inside of the rotating column, screw rod 2 is threadedly connected between the two sides of the fixed cylinder, the side surface of the moving box is fixedly connected to a movable frame, the bottom of the lifting plate rests on the top of the movable frame, and one end of screw rod 2 is rotatably connected to the side surface of the movable frame.

[0010] Preferably, a storage box aligned with the fixed box is fixedly connected to the side of the fixed cylinder, the bottom of the storage box is rotatably connected to the circumferential side of the rotating column, the interior of the storage box is evenly provided with mounting shaft bodies, the side of the storage box is fixedly connected to the fixed box aligned with the slot, and the interior of the fixed box is evenly provided with rotor bodies aligned with the slot.

[0011] Preferably, the side of the fixed cylinder is fixedly connected to a hydraulic press body aligned with the press-fitting groove, the side of the hydraulic press body is slidably connected to a hydraulic column aligned with the press-fitting groove, the inner wall of the circumferential side of the press-fitting groove is fixedly connected to a placement block aligned with the storage box, and the inner wall of the circumferential side of the press-fitting groove is slidably connected to a moving block aligned with the storage box.

[0012] Preferably, a limiting groove aligned with the moving block is opened inside the rotating column, the top of the limiting groove is slidably connected to a slider, the bottom of the slider is fixedly connected to the top of the moving block, and a spring 2 is fixedly connected between the side of the slider and the side of the limiting groove.

[0013] Preferably, at least two inclined plates are slidably connected between the side of the fixed cylinder and the side of the fixed box, and extrusion blocks aligned with the inclined plates are fixedly connected on both sides of the connecting frame, and the other end of the extrusion block is slidably connected to one side of the inclined plate.

[0014] Preferably, the fixed box is provided with card slots on both sides, a card frame is slidably connected between the top and bottom of the card slot, one side of the card frame rests against the circumferential side of the rotor body, a connecting rod is fixedly connected between the side of the card frame and one side of the inclined plate, a movable plate is fixedly connected to the side of the card frame, and a spring is fixedly connected between one side of the movable plate and one outer wall of the fixed box.

[0015] Preferably, at least two material storage grooves aligned with the mounting shaft body are provided between the top and bottom of the material storage box, the circumferential side surface of the mounting shaft body is slidably connected to one side of the material storage groove, a movable plate is slidably connected between the two sides of the material storage box, at least two discharge grooves aligned with the material storage grooves are provided between the top and bottom of the movable plate, a discharge port aligned with the grooves is provided between the inner wall and the outer wall of the bottom of the material storage box, and at least two rotating plates aligned with the movable plate are fixedly connected to the circumferential side surface of the rotating column.

[0016] The beneficial effects of the present invention are: Through the provided rotating column, the bearing body, rotor body and installation shaft body are respectively loaded into the moving box, fixed box and storage box, so that the bearing body, rotor body and installation shaft body enter the pressing groove respectively, wherein the second motor drives the first screw to rotate, the first screw drives the lifting plate and the connecting frame to move, the lifting plate and the connecting frame drive the lifting baffle to move, the lifting baffle drives the bearing body to move into the pressing groove, and the installation shaft body falls on the moving block and the placement block, the hydraulic press body is started, the hydraulic press body drives the hydraulic column to move, the hydraulic column drives the moving block to move, so that the installation shaft body is stuck in the moving block, the moving block drives the installation shaft body to be pressed into the rotor body and the bearing body in turn, the hydraulic column is reset, the second spring drives the slider to move, the slider drives the moving block to move, the moving block drives the installation shaft body to move, and the installation shaft The main body drives the rotor body and the bearing body to move, so that the bearing body is separated from the lifting baffle, and the starting motor 2 drives the lifting baffle to rise and separate from the rotating column. The lifting baffle drives the bearing body in the moving box to be collected into the moving box, which is beneficial to the device control. Each time the bearing body is pressed into the installation shaft body, only one rotating shaft body is in the pressing groove, preventing multiple rotating shaft bodies from falling into the pressing groove for pressing, resulting in collision and damage between multiple parts. The second screw rod is rotated, and the second screw rod drives the moving box to move. The moving box drives the lifting baffle to move. The lifting baffle drives the bearing body to move along the pressing groove, which is beneficial for the device to change the installation position of the bearing body on the installation shaft body according to actual needs, thereby expanding the applicability of the device. When the rotor body moves to one end of the pressing groove, it stops and the moving block is pushed by the second spring to separate from the installation shaft body. Start motor one, which drives the rotating shaft to rotate back and forth, which drives the rotating column to rotate, which drives the pressing groove to rotate, and the pressing groove drives the pressed parts to rotate to the bottom of the device and makes the parts separate from the rotating column, and at the same time rotates to the pressing groove above the rotating column to press the parts again, which helps to prevent the device from having to stop production during the process of disassembling parts, resulting in the device being unable to press-fit parts while disassembling the pressed parts, affecting the production efficiency of the device.

[0017] Through the provided clamping frame, the device starts motor 2 after press-fitting a component in the press-fitting groove, motor 2 drives screw rod 1 to rotate, screw rod 1 drives lifting plate to move, lifting plate drives connecting frame to move, connecting frame drives extrusion block to move, extrusion block drives inclined plate to move, inclined plate drives connecting rod to move, connecting rod drives clamping frame to move, so that clamping frame is separated from rotor body, and rotor body falls into the press-fitting groove, and after the lifting plate is reset, spring 1 drives moving plate to move, and moving plate drives clamping frame to reset and clamp subsequent rotor body, which is beneficial for the device to cooperate with the frequency of press-fitting of the device to control the frequency of rotor body entering the press-fitting groove, prevent the rotor body from falling into the press-fitting groove, causing the rotor body to jam the rotating column, causing damage to the device and components, and improving the fluency and safety of the device's production.

[0018] Through the arranged movable plate, the motor drives the rotating column to rotate back and forth, the rotating column drives the rotating plate to rotate back and forth, the rotating plate squeezes the movable plate to move, the movable plate drives the discharge trough to move, and when the discharge trough passes through the storage trough, the installation shaft body falls into the discharge trough, and the movable plate drives the installation shaft body to fall into the pressing groove, which is helpful to prevent the installation shaft body with multiple steps on the surface from falling into the pressing groove together in the storage box because the installation shaft bodies in the upper and lower positions are tilted and overlapped, resulting in the device being unable to accurately press the installation shaft body into the rotor body and the bearing body, affecting the accuracy of the device's working press. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a rotor press-fitting device for manufacturing an axial flow fan for fire fighting proposed by the present invention; Figure 2 A schematic diagram of the internal structure of a rotor press-fitting device for manufacturing an axial flow fan for fire fighting proposed by the present invention; Figure 3 A schematic diagram of the slotting structure of a rotor press-fitting device for manufacturing an axial flow fan for fire fighting proposed by the present invention; Figure 4 A schematic diagram of the structure of a material storage box of a rotor press-fitting device for manufacturing an axial flow fan for fire fighting proposed by the present invention; Figure 5 This is a schematic diagram of the structure of a movable box of a rotor press-fitting device for manufacturing an axial flow fan for fire fighting proposed by the present invention; Figure 6 This is a schematic diagram of the inclined plate structure of a rotor press-fitting device for manufacturing an axial flow fan for fire fighting proposed by the present invention; Figure 7 This is a schematic diagram of the structure of a lifting plate of a rotor press-fitting device for manufacturing an axial flow fan for fire fighting proposed by the present invention; Figure 8 The present invention is a schematic diagram of a fixed box structure of a rotor press-fitting device for manufacturing an axial flow fan for fire fighting.

[0020] In the figure: 1-rotating column, 2-rotating shaft, 3-fixed cylinder, 4-support frame, 5-motor 1, 6-screw rod 2, 7-lifting plate, 8-screw rod 1, 9-tilting plate, 10-motor 2, 11-moving box, 12-fixed box, 13-storage box, 14-pressing groove, 15-hydraulic column, 16-hydraulic press body, 17-slotting, 18-spring 1, 19-moving plate, 20-cage, 21-connecting rod, 22-storage trough, 23-installing shaft body, 24-movable plate, 25-discharge trough, 26-rotating plate, 27-spring 2, 28-moving block, 29-slider, 30-placement block, 31-fixed plate, 32-lifting baffle, 33-extrusion block, 34-connecting frame, 35-bearing body, 36-rotor body. DETAILED DESCRIPTION

[0021] Example 1, reference Figure 1 , Figure 2 , Figure 3 ,picture, Figure 5 , Figure 6 and Figure 7 A rotor pressing device for manufacturing an axial flow fan for fire protection comprises a rotating column 1, at least two pressing grooves 14 are provided between the two sides of the rotating column 1, a groove 17 is provided between the circumferential side of the pressing groove 14 and the circumferential side of the rotating column 1, a moving box 11 aligned with the groove 17 is slidably connected to the circumferential side of the rotating column 1, openings are provided on both sides of the moving box 11, a fixing plate 31 is fixedly connected to the top of the opening, a lifting baffle 32 is slidably connected to one side of the fixing plate 31, and the bottom of the lifting baffle 32 extends to the inside of the groove 17, a bearing body 35 is evenly slidably connected between the two inner walls of the moving box 11, and the circumferential side of the bearing body 35 abuts against the bottom of the lifting baffle 32.

[0022] In the present invention, the side outer wall of the moving box 11 is fixedly connected to a motor 2 10 aligned with the lifting baffle 32, the output shaft of the motor 2 10 is fixedly connected to a screw 1 8, the circumferential side of the screw 1 8 is threadedly connected to a lifting plate 7, and the side of the lifting plate 7 is fixedly connected to the side of the lifting baffle 32.

[0023] The side of the lifting plate 7 is slidably connected to the side outer wall of the moving box 11. Both sides of a lifting plate 7 are fixedly connected with a connecting frame 34. The other end of the connecting frame 34 is fixedly connected to the side of another lifting baffle 32. One side of the connecting frame 34 is slidably connected to one outer wall of the moving box 11.

[0024] Both ends of the circumferential side surface of the rotating column 1 are rotatably connected with fixed cylinders 3, the circumferential side surface of the fixed cylinder 3 is fixedly connected with a support frame 4, the side surface of the fixed cylinder 3 is fixedly connected with a motor 5, the output shaft of the motor 5 is fixedly connected with a rotating shaft 2, the circumferential side surface of the rotating shaft 2 is fixedly connected to the inside of the rotating column 1, a screw rod 2 6 is threadedly connected between the two sides of the fixed cylinder 3, the side surface of the moving box 11 is fixedly connected with a movable frame, the bottom of the lifting plate 7 rests on the top of the movable frame, and one end of the screw rod 2 6 is rotatably connected to the side surface of the movable frame.

[0025] The side of the fixed cylinder 3 is fixedly connected to a storage box 13 aligned with the fixed box 12, the bottom of the storage box 13 is rotatably connected to the circumferential side of the rotating column 1, the interior of the storage box 13 is evenly provided with mounting shaft bodies 23, the side of the storage box 13 is fixedly connected to a fixed box 12 aligned with the slot 17, and the interior of the fixed box 12 is evenly provided with rotor bodies 36 aligned with the slot 17.

[0026] The side of the fixed cylinder 3 is fixedly connected with a hydraulic press body 16 aligned with the press-fitting groove 14, the side of the hydraulic press body 16 is slidably connected with a hydraulic column 15 aligned with the press-fitting groove 14, the inner wall of the circumferential side of the press-fitting groove 14 is fixedly connected with a placement block 30 aligned with the storage box 13, and the inner wall of the circumferential side of the press-fitting groove 14 is slidably connected with a moving block 28 aligned with the storage box 13.

[0027] A limiting groove aligned with the moving block 28 is provided inside the rotating column 1, a slider 29 is slidably connected to the top of the limiting groove, the bottom of the slider 29 is fixedly connected to the top of the moving block 28, and a spring 27 is fixedly connected between the side of the slider 29 and the side of the limiting groove.

[0028] When the present invention is used, the bearing body 35, the rotor body 36 and the mounting shaft body 23 are respectively loaded into the moving box 11, the fixed box 12 and the storage box 13, so that the bearing body 35, the rotor body 36 and the mounting shaft body 23 are respectively entered into the press-fitting groove 14, wherein the motor 2 10 drives the screw rod 1 8 to rotate, the screw rod 1 8 drives the lifting plate 7 and the connecting frame 34 to move, the lifting plate 7 and the connecting frame 34 drive the lifting baffle 32 to move, and the lifting baffle 32 drives the bearing body 35 to move to the press-fitting groove 14 The installation shaft body 23 falls on the moving block 28 and the placement block 30, the hydraulic press body 16 is started, the hydraulic press body 16 drives the hydraulic column 15 to move, the hydraulic column 15 drives the moving block 28 to move, so that the installation shaft body 23 is stuck in the moving block 28, the moving block 28 drives the installation shaft body 23 to be pressed into the rotor body 36 and the bearing body 35 in sequence, the hydraulic column 15 is reset, the spring 27 drives the slider 29 to move, the slider 29 drives the moving block 28 to move, the moving block 28 drives the installation shaft body 23 to move. The body 23 moves, and the installation shaft body 23 drives the rotor body 36 and the bearing body 35 to move, so that the bearing body 35 is separated from the lifting baffle 32, and the starting motor 10 drives the lifting baffle 32 to rise and separate from the rotating column 1, and the lifting baffle 32 drives the bearing body 35 in the moving box 11 to be collected into the moving box 11, which is beneficial for the device to control that each time the bearing body 35 is press-fitted on the installation shaft body 23, only one shaft body 35 is in the press-fitting groove 14 to prevent multiple shaft bodies 35 from falling into the press-fitting groove for press-fitting, resulting in collision and damage between multiple parts, and the screw rod 26 is rotated, and the screw rod 26 drives the moving box 11 to move, and the moving box 11 drives the lifting baffle 32 to move, and the lifting baffle 32 drives the bearing body 35 to move along the press-fitting groove 14, which is beneficial for the device to change the installation position of the bearing body 35 on the installation shaft body 23 according to actual needs, so as to expand the applicability of the device, and the rotor body 36 stops when it moves to one end of the press-fitting groove 14 and is pushed by the spring 27 to separate the moving block 28 from the installation shaft body 23. Start the motor 5, the motor 5 drives the rotating shaft 2 to rotate back and forth, the rotating shaft 2 drives the rotating column 1 to rotate, the rotating column 1 drives the pressing groove 14 to rotate, the pressing groove 14 drives the pressed parts to rotate to the bottom of the device and make the parts separate from the rotating column 1, and at the same time rotate to the pressing groove 14 above the rotating column 1 to press the parts again, which is helpful to prevent the device from having to stop production during the process of disassembling parts, resulting in the device being unable to press-assemble parts while disassembling the pressed parts, affecting the production efficiency of the device.

[0029] Example 2, reference Figure 1 , Figure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 8A rotor pressing device for manufacturing an axial flow fan for fire fighting includes at least two inclined plates 9 slidably connected between the side of a fixed cylinder 3 and the side of a fixed box 12, and extrusion blocks 33 aligned with the inclined plates 9 are fixedly connected to both sides of a connecting frame 34, and the other end of the extrusion block 33 is slidably connected to one side of the inclined plate 9.

[0030] In the present invention, card slots are provided on both sides of the fixed box 12, and a card frame 20 is slidably connected between the top and bottom of the card slot, one side of the card frame 20 is against the circumferential side of the rotor body 36, a connecting rod 21 is fixedly connected between the side of the card frame 20 and one side of the inclined plate 9, a movable plate 19 is fixedly connected to the side of the card frame 20, and a spring 18 is fixedly connected between one side of the movable plate 19 and one side of the outer wall of the fixed box 12.

[0031] When the present invention is used: after the device presses a component in the press-fitting groove 14, the motor 2 10 is started, the motor 2 10 drives the screw rod 1 8 to rotate, the screw rod 1 8 drives the lifting plate 7 to move, the lifting plate 7 drives the connecting frame 34 to move, the connecting frame 34 drives the extrusion block 33 to move, the extrusion block 33 drives the inclined plate 9 to move, the inclined plate 9 drives the connecting rod 21 to move, the connecting rod 21 drives the bracket 20 to move, so that the bracket 20 is separated from the rotor body 36, and the rotor body 36 falls into the press-fitting groove 14. After the lifting plate 7 is reset, the spring 18 drives the moving plate 19 to move, and the moving plate 19 drives the bracket 20 to reset and clamp the subsequent rotor body 36, which is conducive to the frequency of the device cooperating with the device to control the frequency of the rotor body 36 entering the press-fitting groove 14, preventing the rotor body 36 from falling into the press-fitting groove 14, causing the rotor body 36 to clamp the rotating column 1, causing damage to the device and components, and improving the fluency and safety of the device production.

[0032] Example 3, reference Figure 1 , Figure 2 and Figure 4 , a rotor pressing device for manufacturing an axial flow fan for fire protection, compared with embodiments 1 and 2, this embodiment also includes at least two storage grooves 22 aligned with the mounting shaft body 23 between the top and the bottom of the storage box 13, the circumferential side of the mounting shaft body 23 is slidably connected to one side of the storage groove 22, a movable plate 24 is slidably connected between the two sides of the storage box 13, at least two discharge grooves 25 aligned with the storage groove 22 are provided between the top and the bottom of the movable plate 24, a discharge port aligned with the slot 17 is provided between the inner wall and the outer wall of the bottom of the storage box 13, and at least two rotating plates 26 aligned with the movable plate 24 are fixedly connected to the circumferential side of the rotating column 1.

[0033] When the present invention is used: the motor 15 drives the rotating column 1 to rotate back and forth, the rotating column 1 drives the rotating plate 26 to rotate back and forth, the rotating plate 26 squeezes the movable plate 24 to move, the movable plate 24 drives the discharge trough 25 to move, and when the discharge trough 25 passes through the storage trough 22, the installation shaft body 23 falls into the discharge trough 25, and the movable plate 24 drives the installation shaft body 23 to fall into the press-fitting groove 14, which is helpful to prevent the installation shaft body 23 with multiple steps on the surface from falling into the press-fitting groove 14 together in the storage box 13 because the installation shaft bodies 23 in the upper and lower positions are tilted and overlapped, resulting in the device being unable to accurately press the installation shaft body 23 into the rotor body 36 and the bearing body 35, affecting the accuracy of the device's working press-fitting.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rotor press-fitting device for manufacturing an axial flow fan for fire fighting, comprising a rotating column (1), characterized in that: At least two press-fitting grooves (14) are provided between the two sides of the rotating column (1); a groove (17) is provided between the circumferential side surface of the press-fitting groove (14) and the circumferential side surface of the rotating column (1); a moving box (11) aligned with the groove (17) is slidably connected to the circumferential side surface of the rotating column (1); openings are provided on both sides of the moving box (11); a fixing plate (31) is fixedly connected to the top of the opening; a lifting baffle (32) is slidably connected to one side of the fixing plate (31); the bottom of the lifting baffle (32) extends to the inside of the groove (17); a bearing body (35) is evenly slidably connected between the two inner walls of the moving box (11); the circumferential side surface of the bearing body (35) abuts against the bottom of the lifting baffle (32).

2. A rotor pressing device for manufacturing an axial flow fan for fire fighting according to claim 1, characterized in that: The outer side wall of the moving box (11) is fixedly connected to a second motor (10) aligned with the lifting baffle (32); the output shaft of the second motor (10) is fixedly connected to a first screw rod (8); the circumferential side surface of the first screw rod (8) is threadedly connected to the lifting plate (7); and the side surface of the lifting plate (7) is fixedly connected to the side surface of the lifting baffle (32).

3. A rotor press-fitting device for manufacturing an axial flow fan for fire fighting according to claim 2, characterized in that: The side of the lifting plate (7) is slidably connected to the side outer wall of the moving box (11); both sides of one lifting plate (7) are fixedly connected to a connecting frame (34); the other end of the connecting frame (34) is fixedly connected to the side of another lifting baffle (32); and one side of the connecting frame (34) is slidably connected to one outer wall of the moving box (11).

4. A rotor pressing device for manufacturing an axial flow fan for fire fighting according to claim 2 or 3, characterized in that: Both ends of the circumferential side surface of the rotating column (1) are rotatably connected to a fixed cylinder (3), the circumferential side surface of the fixed cylinder (3) is fixedly connected to a support frame (4), the side surface of the fixed cylinder (3) is fixedly connected to a motor 1 (5), the output shaft of the motor 1 (5) is fixedly connected to a rotating shaft (2), the circumferential side surface of the rotating shaft (2) is fixedly connected to the inside of the rotating column (1), a screw rod 2 (6) is threadedly connected between the two sides of the fixed cylinder (3), the side surface of the moving box (11) is fixedly connected to a movable frame, the bottom of the lifting plate (7) is against the top of the movable frame, and one end of the screw rod 2 (6) is rotatably connected to the side surface of the movable frame.

5. A rotor pressing device for manufacturing an axial flow fan for fire fighting according to claim 4, characterized in that: A material storage box (13) aligned with the fixed box (12) is fixedly connected to the side of the fixed cylinder (3); the bottom of the material storage box (13) is rotatably connected to the circumferential side of the rotating column (1); mounting shaft bodies (23) are evenly arranged inside the material storage box (13); a fixed box (12) aligned with the slot (17) is fixedly connected to the side of the material storage box (13); and a rotor body (36) aligned with the slot (17) is evenly arranged inside the fixed box (12).

6. A rotor pressing device for manufacturing an axial flow fan for fire fighting according to claim 4, characterized in that: A hydraulic press body (16) aligned with the press-fitting groove (14) is fixedly connected to the side of the fixed cylinder (3); a hydraulic column (15) aligned with the press-fitting groove (14) is slidably connected to the side of the hydraulic press body (16); a placement block (30) aligned with the material storage box (13) is fixedly connected to the inner wall of the circumferential side of the press-fitting groove (14); and a moving block (28) aligned with the material storage box (13) is slidably connected to the inner wall of the circumferential side of the press-fitting groove (14).

7. A rotor pressing device for manufacturing an axial flow fan for fire fighting according to claim 6, characterized in that: The rotating column (1) is provided with a limiting groove aligned with the moving block (28) inside, the top of the limiting groove is slidably connected to a slider (29), the bottom of the slider (29) is fixedly connected to the top of the moving block (28), and a second spring (27) is fixedly connected between the side of the slider (29) and the side of the limiting groove.

8. The rotor pressing device for manufacturing an axial flow fan for fire fighting according to claim 5, characterized in that: At least two inclined plates (9) are slidably connected between the side surface of the fixed cylinder (3) and the side surface of the fixed box (12), and extrusion blocks (33) aligned with the inclined plates (9) are fixedly connected to both sides of the connecting frame (34), and the other end of the extrusion block (33) is slidably connected to one side of the inclined plate (9).

9. A rotor press-fitting device for manufacturing an axial flow fan for fire fighting according to claim 8, characterized in that: The fixed box (12) has slots on both sides, a card frame (20) is slidably connected between the top and bottom of the slot, one side of the card frame (20) abuts against the circumferential side of the rotor body (36), a connecting rod (21) is fixedly connected between the side of the card frame (20) and one side of the inclined plate (9), a moving plate (19) is fixedly connected to the side of the card frame (20), and a spring (18) is fixedly connected between one side of the moving plate (19) and one outer wall of the fixed box (12).

10. A rotor pressing device for manufacturing an axial flow fan for fire fighting according to claim 5, characterized in that: At least two material storage grooves (22) aligned with the mounting shaft body (23) are provided between the top and bottom of the material storage box (13); the circumferential side surface of the mounting shaft body (23) is slidably connected to one side of the material storage groove (22); a movable plate (24) is slidably connected between the two sides of the material storage box (13); at least two material discharge grooves (25) aligned with the material storage grooves (22) are provided between the top and bottom of the movable plate (24); a material discharge opening aligned with the slot (17) is provided between the inner wall and the outer wall of the bottom of the material storage box (13); and at least two rotating plates (26) aligned with the movable plate (24) are fixedly connected to the circumferential side surface of the rotating column (1).

Images