CN116046314A

CN116046314A - Magnetic core periphery vibration detection device of automotive blower motor

Info

Publication number: CN116046314A
Application number: CN202310293636.9A
Authority: CN
Inventors: 罗国林; 盛世龙; 王森; 马健; 张运昌
Original assignee: Sichuan Fusheng Electric Appliance Co ltd; Sichuan Fusheng Auto Parts Co ltd
Current assignee: Sichuan Fusheng Electric Appliance Co ltd; Sichuan Fusheng Auto Parts Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-05-02

Abstract

The invention discloses a magnetic core periphery vibration detection device of a vehicle blower motor, which comprises a workbench, wherein a placement table structure and a stand are respectively and fixedly arranged at the front part and the rear part of the upper end of the workbench, the cross section of the stand is -shaped, the opening of the stand faces backwards, a lifting cylinder is arranged at the inner side of the stand, a connecting plate is fixedly arranged at the output end of the lifting cylinder, the front end surface of the connecting plate movably penetrates through the front end surface of the stand and extends to the front side of the stand, a speed feeding structure is fixedly arranged at the front part of the lower end of the connecting plate, the speed feeding structure is positioned in front of the stand, a detection structure is arranged on the speed feeding structure, and the detection end of the detection structure extends to the inner side of the speed feeding structure and is positioned above the placement table structure. The invention has simple operation and high measurement precision, can adapt to the production beat of a production line, directly detects the semi-finished product of the assembled magnetic core and the shaft, and can greatly reduce the adverse effect caused by the quality problem of the shaft and the assembly error.

Description

Magnetic core periphery vibration detection device of automotive blower motor

Technical Field

The invention relates to the technical field of vibration detection, in particular to a magnetic core periphery vibration detection device of a blower motor for a vehicle.

Background

There are various methods for measuring the vibration quantity of the motor, such as an electrical measurement method, an optical measurement method, and a mechanical equipment measurement method. For blower motors, radial vibration of the magnetic core can affect air gap amount, balance, noise, etc., and further affect motor performance, and radial vibration may change after the magnetic core and the shaft are assembled, so strict control over magnetic core vibration is required.

The existing magnetic vibration detection device adopting the mechanical equipment measuring method has the advantages of stable structure and low cost, but has the problem that the device cannot adapt to high beats along with the improvement of the production beats of a production line for assembling the magnetic core and the shaft, and has negative influence on the increase of the yield of the production line. Therefore, we propose a novel magnetic core periphery vibration detection device of a blower motor for vehicles.

Disclosure of Invention

The invention mainly aims to provide a magnetic core periphery vibration detection device of a blower motor for a vehicle, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a magnetic core periphery vibration detection device of automobile-used air-blower motor, includes the workstation, upper end front portion and the upper end rear portion of workstation are fixed mounting respectively and are placed bench structure and grudging post, the cross sectional shape of grudging post is font and opening towards the rear, the inboard of grudging post is provided with the lift cylinder, the output fixed mounting of lift cylinder has the connecting plate, the preceding terminal surface activity of connecting plate runs through the preceding terminal surface of grudging post and extends to the front side of grudging post, the anterior fixed mounting of lower extreme of connecting plate has the speed structure of giving, the speed structure of giving is located the place ahead of grudging post, install detection structure on the speed structure of giving, detection structure's detection end extends to the inboard of speed structure and is located the top of placing bench structure.

Preferably, the vertical frame is provided with a first through groove penetrating front and back, two first through grooves are arranged side by side, and the first through grooves are vertically arranged long rectangular grooves; the connecting plate is of a U-shaped plate structure, movably penetrates through the two first penetrating grooves and can slide up and down in the two first penetrating grooves; the front end of the vertical frame is fixedly provided with a first guide rail, the first guide rail is positioned between the two first through grooves, and the front end of the first guide rail is slidably provided with a first sliding block.

Preferably, the placing table structure comprises a pad frame fixedly arranged at the upper end of the workbench, two first brackets distributed left and right are arranged at the upper end of the pad frame, two second brackets are arranged between the first brackets, a third bracket is arranged between the second brackets, the third bracket is a U-shaped frame and is provided with an opening upwards, positioning cylinders are fixedly arranged on outer vertical surfaces of the first brackets, a group of rotating rods are movably arranged on the second brackets in an penetrating mode, the rotating rods are arranged to be distributed front and back in each group, ball bearings are sleeved on the rotating rods, and the ball bearings are arranged on the outer sides of the two second brackets.

Preferably, the speed-giving structure comprises a mounting frame, wherein the lower end and the rear end of the mounting frame are fixedly connected with the lower end of a connecting plate and the front end of a first sliding block respectively, the front end face and the lower end face of the mounting frame are both in open arrangement, a servo motor is fixedly arranged on one vertical face of the mounting frame, two front-back distributed belt wheels are movably arranged on the inner side of the mounting frame, a transmission belt is connected between the two belt wheels in a common transmission manner, and the output end of the servo motor is in transmission connection with any one belt wheel of the two belt wheels; and a vertical plate is fixedly arranged at the upper end of the mounting frame.

Preferably, the detection structure comprises a sensor and a detection plate which are arranged at intervals up and down, the sensor is fixed at one end of the vertical plate, a second sliding block is fixedly arranged at one end, close to the vertical plate, of the detection plate, a second guide rail is slidably arranged on the second sliding block, the second guide rail is fixed on the vertical plate, a tension spring is arranged on one side of the detection plate, a first hanging frame and a second hanging frame are respectively arranged on the upper side and the lower side of the tension spring, and the first hanging frame and the second hanging frame are respectively fixed with the detection plate and the vertical plate; the lower extreme of pick-up board sets up to the detection face, the detection face is the curved surface of upwards sunk.

Preferably, the mounting frame is provided with a second penetrating groove which penetrates up and down, the detection plate movably penetrates through the second penetrating groove, and the detection plate is located on one side of the transmission belt.

The utility model provides a magnetic core periphery vibration detection device of automobile-used air-blower motor, still includes control display, no. one control switch and No. two control switches.

Compared with the prior art, the invention has the following beneficial effects:

1. the operation is simple, the measurement accuracy is high, the production line production beat can be adapted, the semi-finished product after the magnetic core and the shaft are assembled is directly detected, and the adverse effect caused by the shaft quality problem and the assembly error can be greatly reduced.

2. The investment cost is low, the stability is strong, the operation is simple, the efficiency is high, and the production requirement of a workshop production line can be completely met. The input of the magnetic core periphery vibration detection device greatly improves the process quality, greatly reduces the outflow of defective products, ensures the product quality to be higher than that of a building, and improves the satisfaction degree of customers.

Drawings

FIG. 1 is a view showing an overall construction of a magnetic core peripheral vibration detecting device of a blower motor for vehicles according to the present invention;

FIG. 2 is a schematic diagram showing the overall structure of a rear view of a magnetic core peripheral vibration detecting device of a blower motor for vehicles according to the present invention;

FIG. 3 is a schematic structural view showing a structure of a placement table of a core peripheral vibration detecting device of a blower motor for vehicles according to the present invention;

FIG. 4 is a block diagram showing a speed-setting structure of a core peripheral vibration detecting device of a blower motor for a vehicle according to the present invention;

fig. 5 is a schematic structural view of a detecting structure of a magnetic core peripheral vibration detecting device of a blower motor for vehicles according to the present invention;

fig. 6 is a schematic diagram showing the positions of a detecting structure and a speed-giving structure of a magnetic core peripheral vibration detecting device of a blower motor for a vehicle according to the present invention.

In the figure: 1. a work table; 2. a placement table structure; 3. a vertical frame; 31. a first through groove; 32. a first guide rail; 33. a first sliding block; 4. a lifting cylinder; 5. a connecting plate; 7. a speed-feeding structure; 8. a detection structure; 9. controlling a display; 10. a first control switch; 11. a second control switch; 12. a rotor semifinished product; 21. a pad frame; 22. a first bracket; 23. a second bracket; 24. a third bracket; 25. a rotating rod; 26. a ball bearing; 27. positioning a cylinder; 71. a mounting frame; 711. a second through groove; 72. a vertical plate; 73. a belt wheel; 74. a transmission belt; 75. a servo motor; 81. a sensor; 82. a detection plate; 83. a detection surface; 84. a tension spring; 841. a first hanging frame; 842. a second hanging frame; 85. a second slide block; 86. and a second guide rail.

Description of the embodiments

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 6, a magnetic core peripheral vibration detection device of a blower motor for a vehicle comprises a workbench 1, wherein a placement table structure 2 and a stand 3 are respectively fixedly arranged at the front part and the rear part of the upper end of the workbench 1; upon inspection of the core exterior Zhou Zhendong, the rotor blank 12 is placed on the placement table structure 2. The cross section shape of the vertical frame 3 is -shaped, the opening faces to the rear, the lifting air cylinder 4 is arranged on the inner side of the vertical frame 3, the lifting air cylinder 4 is fixedly arranged at the upper end of the workbench 1, the output end of the lifting air cylinder 4 is fixedly provided with the connecting plate 5, the front end face of the connecting plate 5 movably penetrates through the front end face of the vertical frame 3 and extends to the front side of the vertical frame 3, the front part of the lower end of the connecting plate 5 is fixedly provided with the speed feeding structure 7, and the speed feeding structure 7 is positioned in front of the vertical frame 3. The speed feed structure 7 is used to feed the rotor blank 12 with a rotational speed in order to detect vibrations of the outer periphery of the core in the rotor blank 12. The speed feeding structure 7 is provided with a detection structure 8, and the detection end of the detection structure 8 extends to the inner side of the speed feeding structure 7 and is positioned above the placement table structure 2. The detection structure 8 is used for detecting vibrations of the outer periphery of the core in the rotating rotor blank 12. The vertical frame 3 is provided with a first through groove 31 penetrating front and back, the first through groove 31 is provided with two long rectangular grooves which are arranged side by side, and the first through groove 31 is a long rectangular groove which is vertically arranged; the connecting plate 5 is of a U-shaped plate structure and movably penetrates through the two first penetrating grooves 31, and can slide up and down in the two first penetrating grooves 31; the front end of the vertical frame 3 is fixedly provided with a first guide rail 32, the first guide rail 32 is positioned between the two first through grooves 31, and the front end of the first guide rail 32 is slidably provided with a first sliding block 33.

As a further explanation of the above technical solution, the placement table structure 2 includes a spacer 21 fixedly disposed at an upper end of the workbench 1, two first brackets 22 distributed left and right are disposed at an upper end of the spacer 21, two second brackets 23 are disposed between the two first brackets 22, a third bracket 24 is disposed between the two second brackets 23, the third bracket 24 is a U-shaped frame and has an opening facing upwards, and positioning cylinders 27 are fixedly mounted on outer vertical surfaces of the two first brackets 22. The output ends of the positioning cylinders 27 movably penetrate through the first bracket 22, the output ends of the two positioning cylinders 27 output and squeeze the two ends of the rotor semi-finished product 12, and the placing position of the rotor semi-finished product 12 is adjusted to a proper position; after the position of the rotor blank 12 is adjusted, the positioning cylinder 27 is out of contact with the rotor blank 12. A group of rotating rods 25 are inserted and movably mounted on the two second brackets 23, the rotating rods 25 are arranged in each group of two and are distributed in front-back mode, ball bearings 26 are sleeved on each rotating rod 25, and the ball bearings 26 are arranged on the outer sides of the two second brackets 23; when detecting the rotor semi-finished product 12, the two parts of the shaft of the rotor semi-finished product 12 are respectively placed on the two ball bearings 26 at the left side and the right side, and at this time, the magnetic core in the rotor semi-finished product 12 is positioned at the inner side of the third bracket 24, the rotor semi-finished product 12 is supported by the ball bearings 26, and convenience is provided for the rotation of the rotor semi-finished product 12, so that the rotation of the rotor semi-finished product 12 is smooth, and the vibration condition of the magnetic core on the rotor semi-finished product 12 during the rotation is detected.

As a further explanation of the above technical solution, the speed-feeding structure 7 includes a mounting frame 71, the lower end and the rear end of the mounting frame 71 are respectively fixedly connected with the lower end of the connecting plate 5 and the front end of the first slider 33, the front end surface and the lower end surface of the mounting frame 71 are both in an open arrangement, a servo motor 75 is fixedly installed on one vertical surface of the mounting frame 71, and two pulleys 73 which are distributed front and back are movably installed on the inner side of the mounting frame 71; specifically, the belt pulley 73 is movably connected with the mounting frame 71 through a wheel shaft; a transmission belt 74 is connected between the two belt pulleys 73 in a common transmission way, the output end of the servo motor 75 is connected with any one belt pulley 73 in the two belt pulleys 73 in a transmission way, the servo motor 75 drives the belt pulley 73 connected with the servo motor to rotate, and the belt pulley 73 drives the other belt pulley 73 to rotate through the transmission belt 74; a vertical plate 72 is fixedly installed at the upper end of the mounting frame 71. The speed-feeding structure 7 is used for driving the rotor semi-finished product 12 to rotate or for feeding the rotor semi-finished product 12 with a rotating speed, and the specific implementation mode is as follows: after the rotor semifinished product 12 is placed on the four ball bearings 26, the lifting cylinder 4 is started to drive the connecting plate 5, the speed feeding structure 7 and the detecting structure 8 to move downwards, so that the driving belt 74 is in contact with the surface of the magnetic core in the rotor semifinished product 12, then the lifting cylinder 4 is suspended, and then the servo motor 75 is started to drive the driving belt 74 to rotate, so that the magnetic core rotates. In the continuous detection process, the servo motor 75 can keep a continuous working state, and in the initial detection process, the servo motor 75 can be started before the lifting cylinder 4, so that the driving belt 74 rotates first, and the detection efficiency is improved to a certain extent.

It should be noted that, the cooperation of the driving belt 74 and the belt pulley 73 is loose, that is, under the premise that the belt pulley 73 can stably drive the driving belt 74 to rotate, the driving belt 74 can be pressed and deformed towards the middle of the driving belt 74 under the action of external force, so that the inhibiting effect of the driving belt 74 on the vibration of the magnetic core can be reduced or avoided, the detection structure 8 can obtain more accurate detection data, the detection effect is improved, the detected vibration condition of the magnetic core can be more similar to the actual vibration condition of the magnetic core, and the whole detection device has the advantages of high measurement precision and strong use stability.

As a further explanation of the above technical solution, the detecting structure 8 includes a sensor 81 and a detecting plate 82 disposed at an upper-lower interval, the sensor 81 is fixed at one end of the vertical plate 72, a second slider 85 is fixedly mounted at one end of the detecting plate 82 near the vertical plate 72, a second guide rail 86 is slidably mounted on the second slider 85, the second guide rail 86 is fixed on the vertical plate 72, the second guide rail 86 cooperates with the second slider 85 to make the motion of the detecting plate 82 be linear motion, a tension spring 84 is disposed at one side of the detecting plate 82, a first hanger 841 and a second hanger 842 are disposed at the upper-lower sides of the tension spring 84, and the first hanger 841 and the second hanger 842 are respectively fixed with the detecting plate 82 and the vertical plate 72 to connect the detecting plate 82 and the vertical plate 72 together, so that the detecting plate 82 can be used normally; the lower extreme of pick-up plate 82 sets up to detect the face 83, detects the face 83 and is the curved surface of undercut to laminate the surface of magnetic core, make the rotation vibration energy of magnetic core more steadily transmit to pick-up plate 82, make the rotation vibration of magnetic core change into the reciprocates of pick-up plate 82. The detecting structure 8 is used for detecting the rotation vibration condition of the magnetic core in the rotor semi-finished product 12 and forming corresponding electric signals, and the specific implementation mode is as follows: when the transmission belt 74 contacts with the magnetic core in the rotor semi-finished product 12, the detection surface 83 is also synchronously contacted with the magnetic core in the rotor semi-finished product 12, if radial vibration of the magnetic core changes during rotation along with rotation of the magnetic core, the detection plate 82 is pushed to move upwards by the detection surface 83, the changed radial vibration is matched with the tension spring 84, so that the detection plate 82 moves up and down in a reciprocating manner, and the sensor 81 can detect the up and down movement condition of the detection plate 82 and form corresponding detection electric signals.

The mounting frame 71 is provided with a second penetrating groove 711 penetrating up and down, the detection plate 82 movably penetrates the second penetrating groove 711, and the detection plate 82 is located at one side of the driving belt 74.

The invention relates to a magnetic core peripheral vibration detection device of a blower motor for a vehicle, which also comprises a control display 9, a first control switch 10 and a second control switch 11, wherein the control display 9 comprises a programmable control module, a data receiving and processing module and a data display module, the control display 9 is used for displaying magnetic core peripheral vibration information detected by a sensor 81 (the sensor 81 detects the up-and-down movement condition of a detection plate 82 to form corresponding electric signals, the electric signals are sent to the control display 9, and the control display 9 converts the electric signals into digital signals and displays the digital signals) so as to judge whether the magnetic core is qualified or not; the first control switch 10 is an emergency stop button, the second control switch 11 is composed of a start button and a stop button, the start button controls the starting of the lifting cylinder 4, the positioning cylinder 27 and the servo motor 75 through the control display 9, and the stop button and the emergency stop button control the stopping of the lifting cylinder 4, the positioning cylinder 27 and the servo motor 75 through the control display 9.

The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a magnetic core periphery vibration detection device of automobile-used air-blower motor, includes workstation (1), its characterized in that: the automatic lifting device is characterized in that a placement table structure (2) and a vertical frame (3) are fixedly installed at the front part of the upper end of the workbench (1) and the rear part of the upper end of the workbench, the cross section of the vertical frame (3) is -shaped, the opening of the vertical frame faces to the rear, a lifting cylinder (4) is arranged at the inner side of the vertical frame (3), a connecting plate (5) is fixedly installed at the output end of the lifting cylinder (4), the front end surface of the connecting plate (5) movably penetrates through the front end surface of the vertical frame (3) and extends to the front side of the vertical frame (3), a speed feeding structure (7) is fixedly installed at the front part of the lower end of the connecting plate (5), a detection structure (8) is installed on the speed feeding structure (7), and the detection end of the detection structure (8) extends to the inner side of the speed feeding structure (7) and is located above the placement table structure (2).

2. The magnetic core peripheral vibration detecting device of a blower motor for vehicles according to claim 1, wherein: the vertical frame (3) is provided with a first through groove (31) penetrating front and back, the first through grooves (31) are two and are arranged side by side, and the first through grooves (31) are long rectangular grooves arranged vertically; the connecting plate (5) is of a U-shaped plate structure, movably penetrates through the two first penetrating grooves (31) and can slide up and down in the two first penetrating grooves (31); the front end of the vertical frame (3) is fixedly provided with a first guide rail (32), the first guide rail (32) is positioned between the two first through grooves (31), and the front end of the first guide rail (32) is slidably provided with a first sliding block (33).

3. The magnetic core peripheral vibration detecting device of a blower motor for vehicles according to claim 1, wherein: place bench structure (2) including fixed setting up in the bed rest (21) of workstation (1) upper end, bed rest (21) upper end is provided with two support (22) that are left and right sides and distribute, two be provided with two No. two supports (23) between support (22), two be provided with No. three support (24) between No. two supports (23), no. three support (24) are U-shaped frame and opening up, two equal fixed mounting has location cylinder (27) on the facade of support (22), two all alternate movable mounting has a set of bull stick (25) on No. two supports (23), bull stick (25) set up to every two and are the front and back distribution, every all overlap on bull stick (25) and be equipped with ball bearing (26), ball bearing (26) set up in the outside of two No. two supports (23).

4. The magnetic core peripheral vibration detecting device of a blower motor for vehicles according to claim 2, wherein: the speed-giving structure (7) comprises a mounting frame (71), wherein the lower end and the rear end of the mounting frame (71) are fixedly connected with the lower end of a connecting plate (5) and the front end of a first sliding block (33) respectively, the front end face and the lower end face of the mounting frame (71) are both in open arrangement, a servo motor (75) is fixedly arranged on one vertical face of the mounting frame (71), two belt pulleys (73) which are distributed front and back are movably arranged on the inner side of the mounting frame (71), a transmission belt (74) is connected between the two belt pulleys (73) in a common transmission mode, and the output end of the servo motor (75) is in transmission connection with any one belt pulley (73) of the two belt pulleys (73); a vertical plate (72) is fixedly arranged at the upper end of the mounting frame (71).

5. The magnetic core peripheral vibration detection device of a blower motor for vehicles according to claim 4, wherein: the detection structure (8) comprises a sensor (81) and a detection plate (82) which are arranged at intervals up and down, the sensor (81) is fixed at one end of the vertical plate (72), a second sliding block (85) is fixedly arranged at one end, close to the vertical plate (72), of the detection plate (82), a second guide rail (86) is slidably arranged on the second sliding block (85), the second guide rail (86) is fixed on the vertical plate (72), a tension spring (84) is arranged at one side of the detection plate (82), a first hanging frame (841) and a second hanging frame (842) are respectively arranged at the upper side and the lower side of the tension spring (84), and the first hanging frame (841) and the second hanging frame (842) are respectively fixed with the detection plate (82) and the vertical plate (72); the lower end of the detection plate (82) is provided with a detection surface (83), and the detection surface (83) is a curved surface recessed upwards.

6. The magnetic core peripheral vibration detection device of a blower motor for vehicles according to claim 4, wherein: the mounting frame (71) is provided with a second penetrating groove (711) which penetrates up and down, the detection plate (82) movably penetrates through the second penetrating groove (711), and the detection plate (82) is located on one side of the transmission belt (74).

7. The magnetic core peripheral vibration detecting device of a blower motor for vehicles according to claim 1, wherein: the device also comprises a control display (9), a first control switch (10) and a second control switch (11).