CN220366994U - Dust collector impeller limit state explosion testing equipment - Google Patents

Abstract

The application relates to a dust collector impeller limit state explosion testing device, which relates to the technical field of impeller detection devices and comprises a machine body, wherein the machine body is provided with a controller, a driving motor and a negative pressure detection cylinder which is hollow in the interior and is provided with an opening at one end; the output shaft of the driving motor is used for installing the impeller to be tested, and the negative pressure detection cylinder is sleeved on the impeller to be tested; the driving motor is used for driving the impeller to be tested to rotate so as to discharge the gas in the negative pressure detection cylinder; the negative pressure detection cylinder is provided with a vacuum degree detection piece for detecting the internal vacuum degree of the negative pressure detection cylinder; the driving motor is controlled by the controller. After each impeller design is completed, the device can be used for verifying the limit rotation speed and the limit vacuum degree of the impeller, and the relation between the rotation speed and the vacuum degree can be defined, so that the use parameters of the impeller can be conveniently formulated.

Description

Dust collector impeller limit state explosion testing equipment

Technical Field

The application relates to the technical field of impeller detection devices, in particular to a dust collector impeller limit state explosion testing device.

Background

The impeller belongs to an important component of the dust collector, and the motor of the dust collector drives the impeller to rotate, so that negative pressure can be generated in the dust collector, and the dust collection effect is achieved. Generally, the higher the rotation speed of the impeller of the dust collector, the larger the suction force of the dust collector is, and the better the dust collection effect is; accordingly, the greater the pressure experienced by the impeller.

In the development process of the dust collector, the vacuum degree of the assembled dust collector needs to be detected; if the vacuum cleaner cannot reach the rated vacuum degree required by design or the impeller of the vacuum cleaner breaks, deforms and the like during detection test, the impeller is retracted and required to be redesigned, so that the development period of the impeller is prolonged, and the improvement is required.

Disclosure of Invention

The utility model aims at providing a dust catcher impeller limit state test equipment to detect the limit vacuum of impeller in advance before the impeller is applied to the dust catcher, with the qualification rate of improving the impeller after the design, reduce the risk that the impeller was returned by dust catcher research and development department, thereby be favorable to shortening the research and development cycle of impeller.

The application provides a dust catcher impeller limit state test equipment adopts following technical scheme:

the dust collector impeller limit state explosion testing equipment comprises a machine body, wherein the machine body is provided with a controller, a driving motor and a negative pressure detection cylinder which is hollow in the interior and is provided with an opening at one end; the output shaft of the driving motor is used for installing the impeller to be tested, and the negative pressure detection cylinder is sleeved on the impeller to be tested; the driving motor is used for driving the impeller to be tested to rotate so as to discharge the gas in the negative pressure detection cylinder; the negative pressure detection cylinder is provided with a vacuum degree detection piece for detecting the internal vacuum degree of the negative pressure detection cylinder; the driving motor is controlled by the controller.

By adopting the technical scheme, during detection, the impeller to be detected is arranged on the output shaft of the driving motor, and then the driving motor is started by the controller, so that the driving motor drives the impeller to be detected to rotate according to the set rotating speed; the input voltage or current of the driving motor is adjusted through the controller so as to adjust the rotating speed of the output shaft of the driving motor, thereby adjusting the rotating speed of the impeller to be tested, and simultaneously recording the vacuum degree value measured by the vacuum degree detecting piece of the impeller to be tested under each rotating speed. Before the rotating speed of the driving motor is regulated each time, the driving motor is turned off to check the appearance of the impeller to be tested; when the surface of the impeller is cracked or deformed, the recorded vacuum degree value is the ultimate vacuum degree value of the impeller, which is equivalent to the ultimate vacuum degree value of the dust collector, and the corresponding rotating speed is the ultimate rotating speed.

In the process of impeller design, the structure or manufacturing process of the impeller can be timely adjusted according to the measured ultimate vacuum degree value, so that the impeller meeting the design requirement of the dust collector is obtained, the qualification rate of the shaped impeller can be improved, the risk that the impeller is returned by a research and development department of the dust collector is reduced, the research and development period of the impeller is shortened, and the research and development efficiency of the impeller is improved.

The relation between the rotating speed and the vacuum degree of the impeller can be obtained by adjusting the rotating speed of the impeller and recording the vacuum degree value of the impeller at the corresponding rotating speed, so that the use parameters of the impeller can be conveniently formulated.

Preferably, the negative pressure detection cylinder comprises a negative pressure cylinder with a hollow interior and an opening at one end and a guide cylinder with a hollow interior and two through ends; the guide cylinder is sleeved on the shell of the driving motor, the negative pressure cylinder is positioned at one side of the impeller to be tested, which is far away from the driving motor, the negative pressure cylinder is connected with the machine body, and the opening of the negative pressure cylinder is arranged towards the direction of the impeller to be tested; the vacuum degree detection piece is used for detecting the vacuum degree in the negative pressure cylinder; the machine body is provided with a driving piece for driving the guide cylinder to move towards the negative pressure cylinder, and the guide cylinder is used for being in plug-in fit with the negative pressure cylinder.

Through adopting above-mentioned technical scheme, after the impeller stall that is surveyed, the driving piece can drive the draft tube to the direction removal of keeping away from the negative pressure section of thick bamboo to make the impeller that is surveyed expose, in order to look over the outward appearance of impeller that is surveyed, whether in order to judge the structural strength of impeller qualified, easy operation, swift.

Preferably, a connecting component is arranged between the negative pressure cylinder and the machine body, and the negative pressure cylinder is connected with the machine body through the connecting component; the connecting component is used for driving the negative pressure cylinder to reciprocate along the axial direction of the guide cylinder.

Through adopting above-mentioned technical scheme, coupling assembling can drive the negative pressure section of thick bamboo to the direction removal of keeping away from driving motor to increase the distance between negative pressure section of thick bamboo and the driving motor, thereby convenient to detach or installation are surveyed the impeller.

Preferably, the connecting component comprises a frame connected with the machine body, a connecting frame slidingly connected with the frame along the axial direction of the guide cylinder, and a moving piece for driving the connecting frame to move; the negative pressure cylinder is connected with the connecting frame.

Preferably, the moving part comprises a connecting screw rod rotationally connected with the frame, a connecting nut in threaded fit with the connecting screw rod, and an adjusting motor connected with the frame; the connecting nut is connected with the connecting frame, and the adjusting motor is used for driving the connecting screw to rotate.

Through adopting above-mentioned technical scheme, accommodate motor drive connecting screw rotates to supply coupling nut to drive the connecting piece and remove, thereby make negative pressure section of thick bamboo remove, simple structure, operation are stable.

Preferably, the machine body is provided with a heat dissipation assembly for cooling the driving motor.

Preferably, the heat dissipation assembly comprises a refrigerating piece connected with the shell of the driving motor and a heat dissipation piece connected with the refrigerating piece.

Through adopting above-mentioned technical scheme, the refrigeration piece can be with the heat conduction of driving motor's shell to the radiating member to the heat supply gives off fast, thereby can make driving motor cool off fast, in order to reduce driving motor and take place the risk of damage because of the high temperature.

Preferably, the outer peripheral wall of the driving motor shell is provided with heat dissipation grooves in a penetrating mode along the axial direction of the guide cylinder, and the heat dissipation grooves are sequentially formed in a plurality of positions along the circumferential direction of the driving motor shell.

By adopting the technical scheme, the heat dissipation groove can increase the surface area of the shell of the driving motor, thereby being beneficial to improving the heat dissipation efficiency of the shell of the driving motor.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the process of impeller design, the structure or manufacturing process of the impeller can be timely adjusted according to the measured ultimate vacuum degree value, so that the impeller meeting the design requirement of the dust collector is obtained, the qualification rate of the shaped impeller can be improved, the risk that the impeller is returned by a research and development department of the dust collector is reduced, the research and development period of the impeller is shortened, and the research and development efficiency of the impeller is improved;

2. the driving piece can drive the guide cylinder to move in a direction away from the negative pressure cylinder so as to expose the tested impeller for checking the appearance of the tested impeller to judge whether the structural strength of the impeller is qualified or not, and the operation is simple and quick;

3. the connecting component can drive the negative pressure cylinder to move in a direction away from the driving motor so as to increase the distance between the negative pressure cylinder and the driving motor, thereby being convenient for dismounting or mounting the impeller to be tested.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a dust collector impeller limit state explosion testing device according to an embodiment of the application.

Fig. 2 is a schematic diagram for showing a state of the socket-connection fit of the negative pressure cylinder and the guide cylinder.

Fig. 3 is an exploded view of the body removed to show the structure of the connection assembly.

Fig. 4 is a schematic sectional view for showing a structure of the heat sink.

In the figure, 1, a machine body; 11. an electrical cabinet; 111. a control switch; 12. a driving motor; 121. a heat sink; 13. a driving member; 14. a heat dissipation assembly; 141. a refrigerating member; 142. a heat sink; 15. a mounting base; 151. a mounting hole; 2. a negative pressure detection cylinder; 21. a negative pressure cylinder; 211. a vacuum degree detecting member; 22. a guide cylinder; 221. a connecting plate; 3. a connection assembly; 31. a frame; 32. a connecting frame; 321. a relief hole; 322. a dust cover; 33. a moving member; 331. a connecting screw; 332. a coupling nut; 333. adjusting a motor; 4. the impeller to be tested.

Detailed Description

The present application is described in further detail below with reference to fig. 1-4.

Referring to fig. 1, the device for testing explosion of the impeller in the limit state of the dust collector comprises a machine body 1, wherein the machine body 1 is provided with an electric cabinet 11, a driving motor 12, a negative pressure detection cylinder 2 and a connecting component 3. A controller (not shown in the drawings) including a PLC is installed in the electric cabinet 11. The driving motor 12 is connected with the upper surface of the machine body 1 through a bracket; the axial direction of the output shaft of the drive motor 12 is set up in the up-down direction, and the drive motor 12 is electrically connected to the controller through a cable. The output shaft of the drive motor 12 is located above the housing of the drive motor 12 for mounting the impeller 4 under test. The electric cabinet 11 is provided with a control switch 111, and the control switch 111 is electrically connected with the controller through a cable and is used for controlling the driving motor 12 through the control switch 111 so as to adjust the rotating speed of the impeller 4 to be tested; when the impeller 4 to be tested rotates, the air flow can flow from top to bottom. In another embodiment, the axial direction of the output shaft of the driving motor 12 may also be set along the horizontal direction, and the corresponding impeller 4 to be tested makes the air flow to the casing direction of the driving motor 12.

Referring to fig. 1, the negative pressure detecting cylinder 2 includes a negative pressure cylinder 21 and a guide cylinder 22. The guide cylinder 22 is hollow and two ends are arranged in a penetrating way, and the guide cylinder 22 is sleeved outside the shell of the driving motor 12; the outer peripheral wall of the upper end of the guide cylinder 22 is integrally formed with a connection plate 221. The machine body 1 is provided with a driving piece 13, the driving piece 13 comprises a cylinder, the cylinder body of the driving piece 13 is connected with the machine body 1 through a screw, the axial direction of a piston rod of the driving piece 13 is arranged along the up-down direction, and the piston rod of the driving piece 13 is fixedly connected with a connecting plate 221 through the screw so as to be used for driving a guide cylinder 22 to move upwards so as to cover the impeller 4 to be tested. In this embodiment, a solenoid valve (not shown) connected to the driving member 13 is connected to a controller through a cable for controlling the driving member 13 through a control switch 111.

Referring to fig. 1 and 2, the negative pressure cylinder 21 is hollow inside and one end of the negative pressure cylinder is opened, and the negative pressure cylinder 21 is positioned above the impeller 4 to be tested; the opening of the negative pressure cylinder 21 is disposed toward the guide cylinder 22, and the opening of the negative pressure cylinder 21 is aligned with the upper end of the guide cylinder 22. The negative pressure cylinder 21 is connected with the machine body 1 through the connecting component 3; when the guide cylinder 22 moves upwards, the upper end of the guide cylinder 22 can be sleeved on the outer peripheral wall of the opening of the negative pressure cylinder 21, so that the guide cylinder 22 is in plug-in fit with the negative pressure to cover the impeller 4 to be tested, and the impeller 4 to be tested can discharge the air in the negative pressure cylinder 21 outwards. The negative pressure cylinder 21 is mounted with a vacuum degree detecting member 211, and the vacuum degree detecting member 211 includes a vacuum degree meter for detecting the vacuum degree of the inside of the negative pressure cylinder 21.

Referring to fig. 2, the connection assembly 3 includes a frame 31, a connection frame 32, and a moving member 33. One end of the frame 31 is fixedly connected with the machine body 1 through a screw, and the other end is arranged in an upward extending way; the connecting frame 32 is slidably connected with the frame 31 along the up-down direction through a sliding rail, and the negative pressure cylinder 21 is fixed with the connecting frame 32 through a screw; the moving member 33 is used for driving the connecting frame 32 to slide reciprocally, so that the connecting frame 32 can drive the negative pressure cylinder 21 to move synchronously, and the impeller 4 to be tested can be detached or installed. In another embodiment, the connecting component 3 may also be an air cylinder, wherein the cylinder body of the air cylinder is fixedly connected with the machine body 1, and the piston rod of the air cylinder is fixedly connected with the negative pressure cylinder 21 so as to drive the negative pressure cylinder 21 to reciprocate along the up-down direction; the connecting assembly 3 may also be an electric push rod or other structural components capable of supporting the negative pressure cylinder 21 and driving the negative pressure cylinder 21 to move.

Referring to fig. 2 and 3, the mover 33 includes a connection screw 331, a connection nut 332, and an adjustment motor 333. The axial direction of the connecting screw 331 is arranged along the up-down direction, and both ends of the connecting screw 331 are rotationally connected with the frame 31 through bearings; the connecting nut 332 is in threaded fit with the connecting screw 331, and the connecting nut 332 and the connecting frame 32 are integrally formed; the adjusting motor 333 is fixedly connected with the frame 31, and an output shaft of the adjusting motor 333 is connected with the connecting screw 331 for driving the connecting screw 331 to rotate, so that the connecting nut 332 can drive the connecting frame 32 to move synchronously. In the present embodiment, the adjustment motor 333 is connected to the controller through a cable for controlling the adjustment motor 333 through the control switch 111. In another embodiment, the moving member 33 may be an air cylinder, wherein the cylinder body of the air cylinder is fixed with the frame 31, and the piston rod of the air cylinder is fixedly connected with the connecting frame 32; the moving member 33 may also be an electric push rod or a linear motor or other structural member capable of moving along the linear driving link 32.

Referring to fig. 2 and 3, the connecting frame 32 is provided with a yielding hole 321 along the vertical direction, the yielding hole 321 is internally provided with a dust cover 322, and the upper and lower ends of the dust cover 322 are both fixed with the frame 31 so as to cover the connecting screw 331 inside, thereby being beneficial to reducing the possibility of contact between clothes or hair of an operator and the connecting screw 331.

Referring to fig. 1 and 4, the outer circumferential wall of the casing of the driving motor 12 is integrally formed with a heat dissipation groove 121, the heat dissipation groove 121 is penetrated in the up-down direction, and the heat dissipation grooves 121 are sequentially formed at intervals in the circumferential direction of the casing of the driving motor 12, so that heat in the driving motor 12 is rapidly dissipated.

Referring to fig. 1 and 4, the body 1 is provided with a heat dissipation assembly 14 and a mount 15; the mounting seat 15 is fixedly mounted at a position below the driving motor 12 of the machine body 1 through bolts; the mounting base 15 is provided with a mounting hole 151 penetrating in the up-down direction. The heat dissipation assembly 14 includes a refrigerating member 141 and a heat dissipation member 142, the refrigerating member 141 includes a semiconductor refrigerating sheet, and the heat dissipation member 142 includes a copper pillar; the heat sink 142 is inserted into the mounting hole 151, the cooling fin is located between the heat sink 142 and the driving motor 12, and the side wall of the cooling side of the cooling member 141 is attached to the end wall of the casing of the driving motor 12, and the side wall of the heat sink 141 on the heat sink side is attached to the upper end wall of the heat sink 142. The cooling member 141 can cool down the casing of the driving motor 12 rapidly so as to maintain the inside of the driving motor 12 in a low temperature state, and the heat of the cooling member 141 can be dissipated by the heat dissipation member 142. In another embodiment, the heat dissipating assembly 14 may also be a heat dissipating fin in contact with the housing of the drive motor 12 or other heat dissipating structure capable of cooling the drive motor 12.

The implementation principle of the embodiment of the application is as follows:

during detection, the impeller 4 to be detected is firstly arranged on the output shaft of the driving motor 12, and then the driving piece 13 is started through the control switch 111, so that the driving piece 13 drives the guide cylinder 22 to move upwards, and the impeller 4 to be detected is covered inside; then, the adjusting motor 333 is started by the control switch 111 to move the negative pressure cylinder 21 downward for the lower end of the negative pressure cylinder 21 to be inserted into the guide cylinder 22; finally, the driving motor 12 is started by the control switch 111 to rotate the impeller 4 to be tested. After the impeller 4 to be tested rotates for a preset time at a set rotating speed, the driving motor 12 is turned off; after the impeller 4 to be tested stops rotating, the driving piece 13 drives the guide cylinder 22 to move downwards so as to check the appearance state of the impeller 4 to be tested. If the appearance of the impeller 4 to be tested is good, the guide cylinder 22 is reset upwards; then, the rotation speed of the output shaft of the driving motor 12 is increased, and the impeller 4 to be tested is operated again at a corresponding higher rotation speed for a predetermined time, and the appearance of the impeller 4 to be tested is checked again. The above cycle is performed until the surface of the impeller 4 to be tested is cracked or deformed. Before the drive motor 12 is shut down each time, the vacuum degree value displayed by the vacuum degree detecting member 211 is recorded; the vacuum degree value when the surface of the impeller 4 to be tested is cracked or deformed is the ultimate vacuum degree value.

In the process of impeller design, the structure or manufacturing process of the impeller can be timely adjusted according to the measured ultimate vacuum degree value, so that the impeller meeting the design requirement of the dust collector is obtained, the qualification rate of the shaped impeller can be improved, the risk that the impeller is returned by a research and development department of the dust collector is reduced, the research and development period of the impeller is shortened, and the research and development efficiency of the impeller is improved.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a dust catcher impeller limit state test explodes equipment which characterized in that: the device comprises a machine body (1), wherein the machine body (1) is provided with a controller, a driving motor (12) and a negative pressure detection cylinder (2) which is hollow in the interior and is provided with an opening at one end; the output shaft of the driving motor (12) is used for installing the impeller (4) to be tested, and the negative pressure detection cylinder (2) is sleeved on the impeller (4) to be tested; the driving motor (12) is used for driving the impeller (4) to be tested to rotate so as to discharge the gas in the negative pressure detection cylinder (2); the negative pressure detection cylinder (2) is provided with a vacuum degree detection piece (211) for detecting the vacuum degree of the interior of the negative pressure detection cylinder; the drive motor (12) is controlled by a controller.

2. The dust collector impeller limit state explosion testing equipment according to claim 1, wherein: the negative pressure detection cylinder (2) comprises a negative pressure cylinder (21) with a hollow interior and an opening at one end and a guide cylinder (22) with a hollow interior and two through ends; the guide cylinder (22) is sleeved on the shell of the driving motor (12), the negative pressure cylinder (21) is positioned on one side of the tested impeller (4) far away from the driving motor (12), the negative pressure cylinder (21) is connected with the machine body (1), and an opening of the negative pressure cylinder (21) is arranged towards the direction of the tested impeller (4); the vacuum degree detection piece (211) is used for detecting the vacuum degree in the negative pressure cylinder (21); the machine body (1) is provided with a driving piece (13) for driving the guide cylinder (22) to move towards the negative pressure cylinder (21), and the guide cylinder (22) is used for being in plug-in fit with the negative pressure cylinder (21).

3. The dust collector impeller limit state explosion testing equipment according to claim 2, wherein: a connecting component (3) is arranged between the negative pressure cylinder (21) and the machine body (1), and the negative pressure cylinder (21) is connected with the machine body (1) through the connecting component (3); the connecting component (3) is used for driving the negative pressure cylinder (21) to reciprocate along the axial direction of the guide cylinder (22).

4. A dust collector impeller limit state explosion testing apparatus according to claim 3, wherein: the connecting assembly (3) comprises a frame (31) connected with the machine body (1), a connecting frame (32) slidingly connected with the frame (31) along the axial direction of the guide cylinder (22), and a moving piece (33) for driving the connecting frame (32) to move; the negative pressure cylinder (21) is connected with the connecting frame (32).

5. The dust collector impeller limit state explosion testing equipment according to claim 4, wherein: the moving part (33) comprises a connecting screw rod (331) rotationally connected with the frame (31), a connecting nut (332) in threaded fit with the connecting screw rod (331), and an adjusting motor (333) connected with the frame (31); the connecting nut (332) is connected with the connecting frame (32), and the adjusting motor (333) is used for driving the connecting screw rod (331) to rotate.

6. The dust collector impeller limit state explosion testing equipment according to claim 1, wherein: the machine body (1) is provided with a heat dissipation assembly (14) for cooling the driving motor (12).

7. The dust collector impeller limit state explosion testing equipment according to claim 6, wherein: the heat dissipation assembly (14) comprises a refrigerating piece (141) connected with the shell of the driving motor (12) and a heat dissipation piece (142) connected with the refrigerating piece (141).

8. The dust collector impeller limit state explosion testing equipment according to claim 1, wherein: the outer peripheral wall of the shell of the driving motor (12) is provided with a plurality of heat dissipation grooves (121) in a penetrating mode along the axial direction of the guide cylinder (22), and the heat dissipation grooves (121) are sequentially arranged along the circumferential direction of the shell of the driving motor (12).