CN111256910A - Device and method for automatically performing dynamic balance on fan impeller - Google Patents
Device and method for automatically performing dynamic balance on fan impeller Download PDFInfo
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- CN111256910A CN111256910A CN201811462431.4A CN201811462431A CN111256910A CN 111256910 A CN111256910 A CN 111256910A CN 201811462431 A CN201811462431 A CN 201811462431A CN 111256910 A CN111256910 A CN 111256910A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/30—Compensating imbalance
- G01M1/34—Compensating imbalance by removing material from the body to be tested, e.g. from the tread of tyres
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Abstract
The invention relates to a device and a method for automatically balancing a fan impeller, wherein a soft support swing frame and an automatic material removing device are respectively arranged on a dynamic balancing machine, a clamp is arranged on the soft support swing frame, a fan to be tested is clamped and fixed by the clamp, the fan to be tested is electrically connected with a fan driving plate and driven to rotate by the fan driving plate, and a fan power supply board is connected with the fan driving plate to supply power for the fan driving plate; the display is connected with the dynamic balancing machine and used for displaying data detected by the dynamic balancing machine, the fan driving plate drives the impeller on the fan to be detected to rotate to the material removing position through the data detected by the dynamic balancing machine, and the material is removed through the automatic material removing device. The invention can reduce the working strength of workers, improve the working accuracy, ensure the product consistency, improve the production efficiency of products, reduce the manufacturing cost, increase the income of enterprises, and has the advantages of high integration level, convenient operation, high accuracy, high automation degree, visual and clear test result and the like.
Description
Technical Field
The invention belongs to the field of fan impeller detection dynamic balance, and particularly relates to a device and a method for automatically performing dynamic balance on a fan impeller.
Background
The respirator is a device which can replace, control or change the normal physiological respiration of a person, increase the ventilation capacity of the lung, improve the respiratory function, reduce the consumption of the respiratory function and save the heart reserve capacity. The fan is one of the core components of the respirator, provides power for the respirator, and is the most important core component. The dynamic balance of the fan impeller directly influences the service life of the fan, thereby influencing the service life of the breathing machine.
At present, in the fan industry, after the impeller detects dynamic balance, the impeller is completely manually removed, the production efficiency is low, the consistency is poor, and the quality requirement cannot be met. It is a trend to develop an automated production apparatus, which can greatly improve the production efficiency while ensuring the stability, consistency and reliability of the final product.
Disclosure of Invention
In order to solve the problems existing in manual material removing operation, the invention aims to provide a device and a method for automatically performing dynamic balance on a fan impeller.
The purpose of the invention is realized by the following technical scheme:
the device comprises a fan power supply board, a fan driving board, a dynamic balancing machine, a soft support swing frame, a clamp, a display and an automatic material removing device, wherein the soft support swing frame and the automatic material removing device are respectively arranged on the dynamic balancing machine; the display is connected with the dynamic balancing machine and used for displaying data detected by the dynamic balancing machine, the fan driving plate drives an impeller on a fan to be detected to rotate to a material removing position through the data detected by the dynamic balancing machine, and the material is removed through the automatic material removing device;
wherein: the automatic material removing device comprises a cutter, a motor A, a rotary table, a motor B, a sliding rail and a motor C, wherein the motor C is arranged on the dynamic balancing machine, is connected with the sliding rail through a transmission device and drives the sliding rail to move in a reciprocating manner; the sliding rail is provided with a motor B, the output end of the motor B is connected with a turntable, the turntable is uniformly and rotatably connected with a plurality of cutters along the circumferential direction, each cutter is connected with an independently driven motor A, and the motor A is arranged on the turntable and drives the connected cutter to rotate;
the transmission device is in a screw nut structure, the screw is connected with the output end of the motor C, the motor C drives the screw to rotate, the nut is in threaded connection with the screw to form a thread pair, the slide rail is installed on the nut, and reciprocating movement is realized through the thread pair of the nut and the screw;
the fan power supply board and the fan drive board are integrated in a box-type shell, a fan drive board switch is arranged in the box-type shell, a fan drive board plug is connected to the fan drive board switch, and a connecting wire plug of the fan to be tested is connected with the fan drive board plug;
the method comprises the following steps:
the fan to be tested on the clamp is driven to rotate by a fan power supply board and a fan driving board, the dynamic balancing machine detects the dynamic balance amount and angle of the fan to be tested and judges whether the dynamic balance amount and angle meet the specification, for the fan which does not meet the specification, the dynamic balancing machine can automatically calculate the angle and the removal amount which need to be removed, and meanwhile, the dynamic balancing machine shares data with the fan driving board to drive an impeller on the fan to be tested to rotate to a material removal position; the automatic material removing device selects a corresponding cutter to carry out removing operation according to the removing angle and the removing amount calculated by the dynamic balancing machine; feeding back to the dynamic balancing machine to detect the dynamic balancing quantity again after the operation is finished until the dynamic balancing quantity is detected to be qualified;
wherein: the fan driving board shares detection data of the dynamic balancing machine to drive the fan to be tested, so that an impeller on the fan to be tested stops a place needing material removal at a set position of the clamp; the selection range of the cutter is 1mg, 2mg or 3 mg; the automatic material removing device selects two cutters to remove materials simultaneously according to the dynamic balance amount detected by the dynamic balancing machine, or selects one cutter to remove materials twice; the maximum removal weight of the automatic material removing device is 6 mg;
the method comprises the following specific steps:
firstly, detecting whether power lines and data transmission lines of a fan power panel, a fan driving board, a dynamic balancer and a display are connected well, then starting the display, starting the dynamic balancer again, confirming whether colors of indicator lamps of the dynamic balancer and the fan power panel are green, if the colors are not bright or incorrect, turning off to confirm whether the connection of electric wires is correct, and fixing a fan to be tested in a clamp after the correct connection is confirmed;
then, inserting a connecting wire plug of a fan to be tested into a fan drive plate plug of the fan drive plate, turning on a fan drive plate switch, and enabling an impeller of the fan to be tested to rotate for one minute, wherein the dynamic balancing machine can detect dynamic balance and an angle;
the display displays the dynamic balance amount and the angle, the numerical value displays green and is qualified, and the impeller does not need to be removed; red is an unqualified product and needs to be removed;
the dynamic balancing machine drives a fan driving plate to stop an impeller of a fan to be tested at a required angle, the automatic material removing device selects a cutter according to the dynamic balance measured by the dynamic balancing machine, and a motor B connected with the selected cutter on the automatic material removing device drives the selected cutter to rotate to perform removing operation;
and after the material is removed, the automatic material removing device feeds back the dynamic balancing machine, and the dynamic balancing machine can detect the dynamic balancing amount and angle again until the product is qualified.
The invention has the advantages and positive effects that:
compared with the traditional test method, the invention utilizes the machine to automatically remove the unbalance, improves the production efficiency and the consistency of the product quality, and reduces the strength of workers. The concrete aspects are as follows:
1. the invention adopts an integrated design, and all testing hardware and removing instruments are integrated in one set of equipment, thereby simplifying the testing process and shortening the testing time.
2. The invention has simple production process, the fan is easy to be connected with the production equipment and only needs to be connected once, the production efficiency is improved, and errors are not easy to occur.
3. The invention adopts closed-loop control, and ensures high measurement accuracy, thereby ensuring the stability of product quality.
4. The invention has the advantages of automatic testing process, reduced labor intensity of workers and greatly reduced human errors.
5. The invention can visually display the test result without manual analysis and judgment.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a schematic view of the connection between the fan to be tested and the fan driving board in the device of the present invention;
FIG. 3 is a display interface of a display in the apparatus of the present invention, showing the dynamic balance and angle of the contents and displaying the corresponding graphical representation;
FIG. 4 is a schematic view of the material removing process of the automatic material removing device in the device of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a schematic structural view of an automatic material removing device in the apparatus of the present invention;
wherein: the automatic material removing device comprises a fan power supply board 1, a fan drive board 2, a fan drive board plug 201, a fan drive board switch 202, a dynamic balancing machine 3, a soft support swing frame 4, a clamp 5, a display 6, an automatic material removing device 7, a cutter 701, a motor A702, a rotating disc 703, a motor B704, a sliding rail 705, a motor C706, a motor base 707, a fan to be tested 8, a connecting wire plug 801, an impeller 802 and a box-type shell 9.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the device of the invention comprises a fan power supply board 1, a fan drive board 2, a dynamic balancing machine 3, a soft support swing frame 4, a clamp 5, a display 6 and an automatic material removing device 7, wherein the soft support swing frame 4 and the automatic material removing device 7 are respectively installed on the dynamic balancing machine 3, the clamp 5 is fixed on the soft support swing frame 4, and a fan 8 to be tested is clamped and fixed by the clamp 5; the fan power panel 1 and the fan drive board 2 are integrated in the box-type shell 9, a fan drive board switch 202 is arranged in the box-type shell 9, a fan drive board plug 201 is connected to the fan drive board switch 202, and a connecting wire plug 801 of the fan 8 to be tested is connected with the fan drive board plug 201 to realize the electric connection of the fan 8 to be tested and the fan drive board 2; the fan 8 to be tested is driven to rotate by the fan drive board 2, and the fan power board 1 is connected with the fan drive board 2 and supplies power to the fan drive board 2. The display 6 is connected with the dynamic balancing machine 3, displays data detected by the dynamic balancing machine 3, and the fan driving plate 2 drives the impeller on the fan 8 to be tested to rotate to a material removing position through the data detected by the dynamic balancing machine 3 and removes materials through the automatic material removing device 7.
The automatic material removing device 7 comprises a cutter 701, a motor A702, a rotary table 703, a motor B704, a sliding rail 705, a motor C706 and a motor base 707, wherein the motor C706 is installed on the dynamic balancing machine 3 and is connected with the sliding rail 705 through a transmission device to drive the sliding rail 705 to reciprocate. The motor B704 is fixed on the sliding rail 705 through a motor base 707, the output end of the motor B704 is connected with a rotating disc 703, a plurality of cutters 701 are uniformly distributed on the rotating disc 703 along the circumferential direction, and each cutter 701 is rotatably connected with the rotating disc 703; the cutters 701 are positioned on one surface of the rotary table 703, the motors A702 which are the same in number as the cutters 701 and are in one-to-one correspondence with the cutters 701 are uniformly installed on the other surface of the rotary table 703 along the circumferential direction, each cutter 701 is connected with one independently-driven motor A702, and the connected cutters 701 are driven to rotate by the motors A702. The transmission device of the embodiment is of a screw and nut structure, the screw is connected with the output end of the motor C706, the motor C706 drives the screw to rotate, the nut is in threaded connection with the screw to form a thread pair, the sliding rail 702 is installed on the nut, and reciprocating movement is achieved through the thread pair of the nut and the screw.
The dynamic balancing machine is a commercial product, is purchased from Shanghai Jian Flat dynamic balancing machine manufacturing company Limited and has the model of PRZQ-0.3 type self-driven balancing machine.
The invention discloses a method for automatically making dynamic balance for a fan impeller, which comprises the following steps:
the fan power supply board 1 and the fan drive board 2 drive the fan 8 to be tested on the clamp 5 to rotate, the dynamic balancer 3 detects the dynamic balance amount and angle of the fan 8 to be tested and judges whether the dynamic balance amount and angle meet the specification, for the fan which does not meet the specification, the dynamic balancer 3 can automatically calculate the angle and removal amount to be removed, and simultaneously the dynamic balancer 3 drives the fan 8 to be tested through sharing data with the fan drive board 2, so that an impeller on the fan 8 to be tested rotates to a set position suitable for material removal, namely the dynamic balancer 3 can rotate the impeller of the fan 8 to be tested to stop the place needing material removal at the set position of the clamp 5; the automatic material removing device 7 selects a corresponding cutter 701 to remove according to the removal angle and the removal amount calculated by the dynamic balancing machine 3, and the selection range of the cutter 701 is 1mg, 2mg or 3 mg; and after the operation is finished, feeding back to the dynamic balancing machine 3 to detect the dynamic balancing quantity again until the detection is qualified. The automatic material removing device 7 can select two cutters 1 to remove materials simultaneously or select one cutter to remove materials twice according to the dynamic balance amount detected by the dynamic balancing machine 3. The maximum removal weight of the automatic material removing device 7 is 6mg, the device which is larger than 6mg can give an alarm, and the device is judged to be a defective product and cannot perform dynamic balance. The method comprises the following specific steps:
firstly, detecting whether power lines and data transmission lines of a fan power panel 1, a fan driving panel 2, a dynamic balancing machine 3 and a display 6 are well connected, then starting the display 6, starting the dynamic balancing machine 3, confirming whether colors of indicator lamps of the dynamic balancing machine 3 and the fan power panel 1 are green, if the colors are not bright or incorrect, stopping the machine to confirm whether the connection of electric wires is correct, and fixing a fan 8 to be tested in a clamp 5 after the correctness is confirmed;
as shown in fig. 2, then, the fan 8 to be tested is connected with the fan drive board 2, and the specific operation method is to insert a connection line plug 801 of the fan 8 to be tested into the fan drive board plug 201 of the fan drive board 2, turn on the fan drive board switch 202, and allow the impeller of the fan 8 to be tested to rotate for one minute, so that the dynamic balancer 3 can detect the dynamic balance and the angle;
as shown in fig. 2, the display 6 displays the dynamic balance amount and the angle, the numerical value is green and is qualified, and the impeller does not need to be removed; red is an unqualified product and needs to be removed;
as shown in fig. 4, the dynamic balancing machine 3 drives the fan driving board 2 to stop the impeller of the fan 8 to be measured at a required angle, the automatic material removing device 7 selects a tool 701 according to the dynamic balance measured by the dynamic balancing machine 3, and the selected tool 70 on the automatic material removing device 7) is connected with a motor B702 to drive the selected tool 701 to rotate for removing;
after the material is removed, the automatic material removing device 7 feeds back the dynamic balancing machine 3, and the dynamic balancing machine 3 can detect the dynamic balancing amount and the angle again until the product is qualified.
The invention integrates all scattered detection instruments into one device, and completes the whole windmill maneuver balance detection and optimized production process through data sharing and intelligent automatic control. The invention can quickly and accurately detect the dynamic balance amount and the angle of the fan impeller to be detected, simplifies the testing and production steps, improves the production efficiency and is a very advanced technical solution for dynamic balance detection and production.
Claims (10)
1. The utility model provides a device that is used for fan wheel to do dynamic balance automatically which characterized in that: the device comprises a fan power board (1), a fan driving board (2), a dynamic balancing machine (3), a soft support swing frame (4), a clamp (5), a display (6) and an automatic material removing device (7), wherein the soft support swing frame (4) and the automatic material removing device (7) are respectively installed on the dynamic balancing machine (3), the clamp (5) is arranged on the soft support swing frame (4), a fan (8) to be tested is clamped and fixed through the clamp (5), the fan (8) to be tested is electrically connected with the fan driving board (2) and driven to rotate by the fan driving board (2), and the fan power board (1) is connected with the fan driving board (2) to supply power to the fan driving board (2); the display (6) is connected with the dynamic balancing machine (3) and displays data detected by the dynamic balancing machine (3), the fan driving plate (2) drives an impeller on a fan (8) to be detected to rotate to a material removing position through the data detected by the dynamic balancing machine (3), and the material is removed through the automatic material removing device (7).
2. The device for automatically balancing the motion of the fan impeller according to claim 1, wherein: the automatic material removing device (7) comprises a cutter (701), a motor A (702), a rotary disc (703), a motor B (704), a sliding rail (705) and a motor C (706), wherein the motor C (706) is installed on the dynamic balancing machine (3), is connected with the sliding rail (705) through a transmission device and drives the sliding rail (705) to reciprocate; the automatic cutting machine is characterized in that a motor B (704) is mounted on the sliding rail (705), the output end of the motor B (704) is connected with a rotary table (703), a plurality of cutters (701) are uniformly and rotatably connected to the rotary table (703) along the circumferential direction, each cutter (701) is connected with an independently driven motor A (702), and the motors A (702) are mounted on the rotary table (703) and drive the connected cutters (701) to rotate.
3. The device for automatically balancing the motion of the fan impeller according to claim 2, wherein: the transmission device is of a screw and nut structure, the screw is connected with the output end of the motor C (706), the motor C (706) drives the screw to rotate, the nut is in threaded connection with the screw to form a thread pair, the sliding rail (702) is installed on the nut, and reciprocating movement is achieved through the thread pair of the nut and the screw.
4. The device for automatically balancing the motion of the fan impeller according to claim 1, wherein: the fan power supply board (1) and the fan drive board (2) are integrated in the box-type shell (9), a fan drive board switch (202) is arranged in the box-type shell (9), a fan drive board plug (201) is connected to the fan drive board switch (202), and a connecting line plug (801) of the fan (8) to be tested is connected with the fan drive board plug (201).
5. A method for automatically performing dynamic balance on a fan impeller is characterized by comprising the following steps: the device of any one of claims 1 to 4 is adopted, a fan (8) to be tested on the clamp (5) is driven to rotate by the fan power supply board (1) and the fan driving board (2), the dynamic balancing machine (3) detects the dynamic balance amount and angle of the fan (8) to be tested and judges whether the dynamic balance amount and angle meet the specification, for the fan which does not meet the specification, the dynamic balancing machine (3) automatically calculates the angle and removal amount to be removed, and meanwhile, the dynamic balancing machine (3) shares data with the fan driving board (2) to drive an impeller on the fan (8) to be tested to rotate to a material removal position; the automatic material removing device (7) selects a corresponding cutter (701) to carry out removing operation according to the removing angle and the removing amount calculated by the dynamic balancing machine (3); and after the operation is finished, feeding back to the dynamic balancing machine (3) to detect the dynamic balancing quantity again until the detection is qualified.
6. The method of claim 5, wherein: the fan driving plate (2) shares detection data of the dynamic balancing machine (3) to drive the fan (8) to be tested, so that an impeller on the fan (8) to be tested stops a place needing to be removed at a set position of the clamp (5).
7. The method of claim 5, wherein: the selection range of the cutter (701) is 1mg, 2mg or 3 mg.
8. The method of claim 5, wherein: the automatic material removing device (7) selects two cutters (1) to remove materials simultaneously according to the dynamic balance amount detected by the dynamic balancing machine (3), or selects one cutter to remove materials twice.
9. The method of claim 5, wherein: the maximum removal weight of the automatic material removing device (7) is 6 mg.
10. The method of claim 5, wherein: the method comprises the following specific steps:
firstly, detecting whether power lines and data transmission lines of a fan power panel (1), a fan driving board (2), a dynamic balancing machine (3) and a display (6) are well connected or not, then starting the display (6), then starting the dynamic balancing machine (3), confirming whether colors of indicator lamps of the dynamic balancing machine (3) and the fan power panel (1) are green or not, if the colors are not bright or incorrect, shutting down to confirm whether the connection of electric wires is correct or not, and fixing a fan (8) to be tested in a clamp (5) after confirming that the electric wires are correct;
then, inserting a connecting wire plug (801) of a fan (8) to be tested into a fan drive board plug (201) of the fan drive board (2), turning on a fan drive board switch (202), and enabling an impeller of the fan (8) to be tested to rotate for one minute, wherein the dynamic balancing machine (3) can detect dynamic balance quantity and angle;
the display (6) displays the dynamic balance amount and the angle, the numerical value is green and is qualified, and the impeller does not need to be removed; red is an unqualified product and needs to be removed;
the dynamic balancing machine (3) drives the fan driving plate (2) to stop the impeller of the fan (8) to be tested at a required angle, the automatic material removing device (7) selects a cutter (701) according to the dynamic balance measured by the dynamic balancing machine (3), and a motor B (702) connected with the selected cutter (701) on the automatic material removing device (7) drives the selected cutter (701) to rotate to remove;
after the material is removed, the automatic material removing device (7) feeds back to the dynamic balancing machine (3), and the dynamic balancing machine (3) can detect the dynamic balance amount and the angle again until the product is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462431.4A CN111256910A (en) | 2018-12-03 | 2018-12-03 | Device and method for automatically performing dynamic balance on fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462431.4A CN111256910A (en) | 2018-12-03 | 2018-12-03 | Device and method for automatically performing dynamic balance on fan impeller |
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| CN111256910A true CN111256910A (en) | 2020-06-09 |
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| CN201811462431.4A Withdrawn CN111256910A (en) | 2018-12-03 | 2018-12-03 | Device and method for automatically performing dynamic balance on fan impeller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201247126Y (en) * | 2008-03-12 | 2009-05-27 | 长春国冶星检测设备有限公司 | Vertical automatic balance weight-removing machine |
| DE102009051622A1 (en) * | 2009-08-14 | 2011-02-17 | Steinbichler Optotechnik Gmbh | Method for determining imbalance of rotating object i.e. unvulcanized tire, for aircraft or mold for manufacturing tire for aircraft, involves optically measuring volume of object and determining imbalance of object |
| CN103084778A (en) * | 2011-10-27 | 2013-05-08 | 南通大通宝富风机有限公司 | Precise mass decreasing method for calibrating dynamic balance of impeller |
| CN103411732A (en) * | 2013-08-22 | 2013-11-27 | 孝感松林国际计测器有限公司 | Dynamic balance measuring device capable of automatically locking machine when unbalanced out-of-tolerance parts enter machine and application method thereof |
| CN204183356U (en) * | 2014-09-17 | 2015-03-04 | 广东明杰零部件再制造有限公司 | Duplicate removal machine |
| CN106475613A (en) * | 2016-12-27 | 2017-03-08 | 株洲联诚集团有限责任公司 | A kind of draught fan impeller dynamic balancing duplicate removal milling attachment |
| CN106826140A (en) * | 2017-04-13 | 2017-06-13 | 苏州三和仪器有限公司 | A kind of machining manufacture of impeller of high-speed fan |
-
2018
- 2018-12-03 CN CN201811462431.4A patent/CN111256910A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247126Y (en) * | 2008-03-12 | 2009-05-27 | 长春国冶星检测设备有限公司 | Vertical automatic balance weight-removing machine |
| DE102009051622A1 (en) * | 2009-08-14 | 2011-02-17 | Steinbichler Optotechnik Gmbh | Method for determining imbalance of rotating object i.e. unvulcanized tire, for aircraft or mold for manufacturing tire for aircraft, involves optically measuring volume of object and determining imbalance of object |
| CN103084778A (en) * | 2011-10-27 | 2013-05-08 | 南通大通宝富风机有限公司 | Precise mass decreasing method for calibrating dynamic balance of impeller |
| CN103411732A (en) * | 2013-08-22 | 2013-11-27 | 孝感松林国际计测器有限公司 | Dynamic balance measuring device capable of automatically locking machine when unbalanced out-of-tolerance parts enter machine and application method thereof |
| CN204183356U (en) * | 2014-09-17 | 2015-03-04 | 广东明杰零部件再制造有限公司 | Duplicate removal machine |
| CN106475613A (en) * | 2016-12-27 | 2017-03-08 | 株洲联诚集团有限责任公司 | A kind of draught fan impeller dynamic balancing duplicate removal milling attachment |
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Application publication date: 20200609 |