CN210824072U - Pneumatic control eccentric force wheel - Google Patents
Pneumatic control eccentric force wheel Download PDFInfo
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- CN210824072U CN210824072U CN201921723314.9U CN201921723314U CN210824072U CN 210824072 U CN210824072 U CN 210824072U CN 201921723314 U CN201921723314 U CN 201921723314U CN 210824072 U CN210824072 U CN 210824072U
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Abstract
The utility model provides a pneumatic control eccentric wheel, which comprises a shell, a cylinder body, a piston and a spring; the shell is internally provided with a mounting groove, and the cylinder body is arranged at the bottom of the mounting groove; the piston is arranged in the cylinder body and defines a closed cavity together with the cylinder body; the lower end of the spring is connected with the piston, and the upper end of the spring is connected with the top of the mounting groove; the shell comprises an upper shell, a middle shell and a lower shell which are connected through a plurality of high-strength studs; the piston is sleeved with a U-shaped ring, a plurality of guide rings and a plurality of O-shaped sealing rings; one side of the middle shell is provided with an air inlet hard pipe, a pressure controller and a rotary joint, and one end of the air inlet hard pipe is connected with the bottom of the cylinder body and communicated with the closed cavity; the other end of the air inlet hard pipe is sequentially connected with a pressure controller and a rotary joint, and the rotary joint is connected with an air compression device. The pneumatic control eccentric wheel of the utility model improves the precision and production efficiency of the eccentric force adjustment of the vibrating motor and saves the cost; and the service life of the eccentric force wheel is prolonged.
Description
Technical Field
The utility model relates to a gas accuse formula technical field, concretely relates to gas accuse eccentric force wheel.
Background
The vibration feeder is a device for uniformly and continuously feeding materials from a storage bin to a receiving device, and is widely applied to crushing and screening combined equipment in the industries of mineral separation, power plants, chemical industry, abrasive materials and the like. The output force of the vibrating feeder is the weight of the material conveyed by the equipment per hour, the output force depends on the vibration amplitude of the equipment and the conveying speed, the amplitude of the equipment is determined by the magnitude of the eccentric force output by the vibrating motor, and the conveying speed is determined by the rotating speed of the motor. Once the equipment enters an operating state, the magnitude of the eccentric force and the rotating speed of the motor are fixed and unadjustable, and when the downstream receiving device of the equipment needs to reduce or increase the received material, the on-site needs to stop to adjust the angle of the eccentric block of the vibrating motor to change the magnitude of the eccentric force, so that the magnitude of the output of the equipment is changed.
The force wheel structure in the prior art can be used for adjusting the output of equipment, so that the labor intensity is reduced, and the working efficiency is improved. Because the eccentric force wheel rotates with the vibration motor at high speed, the firmness of the shell is an important factor for ensuring the smooth production. The shell of the force wheel structure for adjusting the eccentric force of the vibrating motor in the prior art is generally connected by bolts, but the control precision of the eccentric force of the motor is insufficient, so that the feeding machine is insufficient or overlarge in treatment, the production is influenced, and the service life of the device is short.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the above-mentioned prior art, the utility model provides a gas accuse eccentric force wheel, control is accurate, and the work efficiency of batcher improves greatly, operation safety, convenient to use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pneumatic control eccentric force wheel is arranged on two sides of an eccentric block of a vibration motor on a vibration feeder and comprises a shell, a cylinder body, a piston and a spring; a cylindrical mounting groove is formed in the shell, and the cylinder body is arranged at the bottom of the mounting groove;
the piston is arranged in the cylinder body and defines a closed cavity together with the cylinder body; the lower end of the spring is connected with the piston, and the upper end of the spring is connected with the top of the mounting groove;
the shell comprises an upper shell, a middle shell and a lower shell which are connected through a plurality of high-strength studs penetrating through the upper shell, the middle shell and the lower shell from top to bottom;
the outer part of the piston is sleeved with a U-shaped ring and an even number of O-shaped sealing rings, and the outer part of every two O-shaped sealing rings is sleeved with a guide ring;
one side of the middle shell is provided with an air inlet hard pipe and a rotary joint, and one end of the air inlet hard pipe is connected with the lower end of the cylinder body and the closed cavity is communicated with the cylinder body; the other end of the air inlet hard pipe is connected with the rotary joint, and the rotary joint is connected with an air compression device.
Furthermore, the upper shell and the lower shell are both provided with U-shaped grooves, the middle shell is provided with a cylindrical groove with an upper opening and a lower opening, and the upper shell, the middle shell and the lower shell are connected and then define the mounting groove together.
Further, the air compressor also comprises a controller, wherein the controller is connected with the air compressing device; the bottom of cylinder body is equipped with pressure sensor, pressure sensor with controller signal connection.
Furthermore, a plurality of first annular grooves and second annular grooves are formed in the outer portion of the piston, at least two third annular grooves are formed in the first annular groove, and the guide ring, the U-shaped ring and the O-shaped sealing ring are located in the first annular groove, the second annular groove and the third annular groove respectively.
Furthermore, the piston is connected with the spring through a T-shaped screw and a nut, the lower end of the T-shaped screw penetrates through the piston, a U-shaped groove with a downward opening is formed in the bottom of the piston, the nut is located in the U-shaped groove, and a sealing gasket is arranged between the nut and the piston.
Furthermore, one side of the middle shell is provided with a mounting seat, a channel is arranged inside the mounting seat, one end of the air inlet hard tube is connected with one end of the channel, and the rotary joint is connected with the other end of the channel.
Furthermore, one side of the rotary joint is connected with an air inlet hose, one end of the air inlet hose is connected with the rotary joint, and the other end of the air inlet hose is connected with an air compression device.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a gas accuse eccentric force wheel sets up U-shaped ring and multichannel O-shaped sealing washer to improve the gas tightness of the sealed cavity that piston and cylinder formed to adopt the pressure controller to control the admission pressure of sealed cavity, effectively guaranteed the precision to vibrating motor eccentric force adjustment, improved production efficiency greatly, saved the cost; the plurality of guide rings are arranged to prevent the piston from transversely swinging to cause damage to the spring, so that the service life of the eccentric force wheel is prolonged, and the use cost of the feeder is reduced; in addition, the shell is divided into three parts and connected by high-strength studs penetrating through the whole shell, so that the firm strength of the shell is increased, and the shell is convenient to disassemble.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention;
fig. 2 is a left side view structure diagram of the embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure diagram of an embodiment of the present invention;
fig. 4 is a schematic sectional structure diagram of a piston according to an embodiment of the present invention.
In the figure: 1-upper shell, 2-bolt, 3-middle shell, 4-high-strength stud, 5-lower shell, 6-rotary joint, 7-air inlet hard tube, 8-air inlet hose, 9-mounting seat, 10-shell, 11-spring, 12-T-shaped screw, 13-piston, 14-nut, 15-cylinder, 16-closed chamber, 17-guide ring, 18-O-shaped sealing ring, 19-U-shaped ring and 20-U-shaped groove.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, a pneumatic control eccentric wheel is arranged on two sides of an eccentric block of a vibrating motor on a vibrating feeder and can rotate along with the vibrating motor; comprises a shell 10, a cylinder 15, a piston 13 and a spring 11;
specifically, a cylindrical mounting groove is formed in the housing 10, and the cylinder body 15 is arranged at the bottom of the mounting groove;
the piston 13 is arranged in the cylinder body 15, and the piston 13 can move up and down in the cylinder body 15 under the action of external force so as to adjust the magnitude of eccentric force; the piston 13 and the cylinder 15 together define a closed chamber 16; the lower end of the spring 11 is connected with the piston 13, and the upper end of the spring 11 is connected with the top of the mounting groove; when in use, the pistons 13 with different weights can be selected so that the eccentric force wheel can meet different maximum eccentric forces;
the shell 10 comprises an upper shell 1, a middle shell 3 and a lower shell 5, and the three are connected through a plurality of high-strength studs 4 penetrating through the three from top to bottom, so that the firm strength of the shell 10 is effectively improved, and the eccentric wheel is not easy to disintegrate in the high-speed rotating process; the high-strength studs 4 are uniformly distributed along the circumferential direction of the mounting groove, so that uniform stress on each part of the shell 10 is ensured, and the assembly is firmer;
the eccentric force wheel is arranged on an eccentric block of the vibration motor through four bolts 2 penetrating along the thickness direction of the middle shell 10;
the U-shaped ring 19 and the even number of O-shaped sealing rings 18 are sleeved outside the piston 13, the U-shaped ring 19 can play a pressure maintaining role in the closed cavity 16 when expanded by air pressure, the O-shaped sealing rings 18 are used for improving the air tightness of the closed cavity 16, the air tightness of the closed cavity 16 is guaranteed dually, the adjusting precision of eccentric force is increased, the production requirement is met, and the production efficiency is improved;
the outer parts of every two O-shaped sealing rings 18 are sleeved with a guide ring 17, the O-shaped sealing rings 18 can extrude the guide rings 17 to enable the guide rings 17 to be in contact with the inner wall of the cylinder body 15, so that the spring 11 is prevented from being broken due to transverse displacement in the compression or extension process, and the service life of the eccentric wheel is prolonged; the guide rings 17 are uniformly distributed along the piston 13, so that the piston 13 is uniformly stressed, and the moving process is stable;
one side of the middle shell is provided with an air inlet hard pipe 7 and a rotary joint 6, and one end of the air inlet hard pipe 7 is connected with the lower end of the cylinder body 15 and communicated with the closed cavity 16; the other end of the air inlet hard pipe 7 is connected with a rotary joint 6, and the rotary joint 6 is connected with an air compression device;
when the vibration motor works, the eccentric force wheel rotates along with the vibration motor, and compressed air provided by the air compression device sequentially enters the closed cavity 16 through the rotary joint 6 and the air inlet hard tube 7; in the using process, the pressure of the closed cavity 16 is adjustable between 0MPa and 0.45MPa, and the position of the piston 9 in the cylinder body 15 is changed along with the pressure, so that the magnitude of the eccentric force is adjusted, and the real-time online adjustment of the output force of the vibrating feeder is realized;
when the pressure in the closed chamber 16 reaches 0.45MPa, the piston 13 upwards compresses the spring 11 and moves to the middle part of the middle shell 3 under the action of the pressure, and the eccentric force of the vibrating feeder is minimum; when the pressure in the closed chamber 16 is 0MPa, the piston 13 is not acted by external force, the spring 11 extends downwards and pushes the piston 13 downwards to the bottom of the lower cylinder 15, and the eccentric force of the vibrating feeder is maximum at the moment;
preferably, the upper casing 1 and the lower casing 5 are both provided with a U-shaped groove inside, the middle casing 3 is provided with a cylindrical groove with an upper opening and a lower opening inside, the upper casing 1, the middle casing 3 and the lower casing 5 are connected to define a mounting groove together, the cylinder 15 is arranged at the bottom of the mounting groove, and the upper end of the spring 11 is connected to the inner wall of the upper casing 1.
Optionally, the design further comprises a controller, wherein the controller is connected with the air compression device; the bottom of the cylinder body 15 is provided with a pressure sensor which can detect the pressure in the closed cavity 16 and is in signal connection with a controller;
the controller can transmit the set pressure threshold value to the pressure sensor, when the pressure sensor detects that the pressure in the closed cavity 16 reaches the pressure threshold value, a pressure signal can be sent to the controller, and the controller controls the air compressing device to stop working after receiving the pressure signal, so that the adjustment is completed.
The utility model discloses an in the embodiment, the outside of piston 13 is equipped with a plurality of first ring channels and second ring channel, is equipped with two at least third ring channels in the first ring channel, and guide ring 17, U-shaped ring 19 and O shape sealing washer 18 are located first ring channel, second ring channel and third ring channel respectively, prevent that guide ring 17, U-shaped ring 19 and O shape sealing washer 18 from removing relative piston 13 in piston 13 removal process.
Optionally, the piston 13 is connected with the spring 11 through a T-shaped screw 12 and a nut 14, the lower end of the T-shaped screw 12 penetrates through the piston 13, a U-shaped groove 20 with a downward opening is formed in the bottom of the piston 13, the lower end of the T-shaped screw 12 and the nut 14 are located in the U-shaped groove 20, damage to the cylinder 15 caused by the T-shaped screw 12 and the nut 14 when the piston 13 moves to the bottom of the cylinder 15 is prevented, and the phenomenon that the piston 13 cannot move to the bottom of the cylinder 15 due to the extension of the lower end of the T-shaped screw 12 and the adjustment range of the eccentric wheel is affected is; a sealing gasket is provided between the nut 14 and the piston 13 to seal a screw hole formed in the piston 13 by the T-shaped screw 12, thereby improving airtightness of the sealed chamber 16.
In another embodiment of the present invention, a mounting seat 9 is provided on one side of the middle housing 3, a channel is provided inside the mounting seat 9, one end of the air inlet hard pipe 7 is connected to one end of the channel, and the rotary joint 6 is connected to the other end of the channel; the mounting seat 9 is used for mounting and fixing the air inlet hard pipe 7 and the rotary joint 6, and the channel is used for communicating an air path between the air inlet hard pipe 7 and the rotary joint 6.
Preferably, one side of the rotary joint 6 is connected with an air inlet hose 8, one end of the air inlet hose 8 is connected with the rotary joint 6, and the other end of the air inlet hose 8 is connected with an air compression device; the air inlet hose 8 is adopted to connect the rotary joint 6 and the air compression device, so that the connection between the rotary joint and the air compression device is more flexible and the installation is convenient.
The utility model discloses a gas accuse eccentric force wheel sets up U-shaped ring and multichannel O-shaped sealing washer to improve the gas tightness of the sealed cavity that piston and cylinder formed to adopt the pressure controller to control the admission pressure of sealed cavity, effectively guaranteed the precision to vibrating motor eccentric force adjustment, improved production efficiency greatly, saved the cost; the plurality of guide rings are arranged to prevent the piston from transversely swinging to cause damage to the spring, so that the service life of the eccentric force wheel is prolonged, and the use cost of the feeder is reduced; in addition, the shell is divided into three parts and connected by high-strength studs, so that the firm strength of the shell is increased, and the shell is convenient to disassemble.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A pneumatic control eccentric force wheel is arranged on two sides of an eccentric block of a vibration motor on a vibration feeder and comprises a shell, a cylinder body, a piston and a spring; a cylindrical mounting groove is formed in the shell, and the cylinder body is arranged at the bottom of the mounting groove;
the piston is arranged in the cylinder body and defines a closed cavity together with the cylinder body; the lower end of the spring is connected with the piston, and the upper end of the spring is connected with the top of the mounting groove;
the high-strength bolt type shell is characterized in that the shell comprises an upper shell, a middle shell and a lower shell which are connected through a plurality of high-strength bolts penetrating through the upper shell, the middle shell and the lower shell from top to bottom;
the outer part of the piston is sleeved with a U-shaped ring and an even number of O-shaped sealing rings, and the outer part of every two O-shaped sealing rings is sleeved with a guide ring;
one side of the middle shell is provided with an air inlet hard pipe and a rotary joint, and one end of the air inlet hard pipe is connected with the lower end of the cylinder body and the closed cavity is communicated with the cylinder body; the other end of the air inlet hard pipe is connected with the rotary joint, and the rotary joint is connected with an air compression device.
2. The pneumatic control eccentric force wheel according to claim 1, wherein the upper housing and the lower housing are both provided with U-shaped grooves, the middle housing is provided with a cylindrical groove with an upper opening and a lower opening, and the upper housing, the middle housing and the lower housing are connected to define the mounting groove together.
3. The air-controlled eccentric force wheel according to claim 1, further comprising a controller, wherein the controller is connected with the air compressing device; the bottom of cylinder body is equipped with pressure sensor, pressure sensor with controller signal connection.
4. The air-controlled eccentric force wheel according to claim 1, wherein a plurality of first annular grooves and second annular grooves are formed in the outer portion of the piston, at least two third annular grooves are formed in the first annular groove, and the guide ring, the U-shaped ring and the O-shaped sealing ring are respectively located in the first annular groove, the second annular groove and the third annular groove.
5. The air-controlled eccentric force wheel according to claim 1, wherein the piston is connected with the spring through a T-shaped screw and a nut, the lower end of the T-shaped screw penetrates through the piston, a U-shaped groove with a downward opening is formed in the bottom of the piston, the nut is located in the U-shaped groove, and a sealing gasket is arranged between the nut and the piston.
6. The pneumatic control eccentric force wheel according to claim 1, wherein a mounting seat is arranged on one side of the middle shell, a channel is arranged inside the mounting seat, one end of the air inlet hard tube is connected with one end of the channel, and the rotary joint is connected with the other end of the channel.
7. The pneumatic control eccentric force wheel according to claim 1, wherein one side of the rotary joint is connected with an air inlet hose, one end of the air inlet hose is connected with the rotary joint, and the other end of the air inlet hose is connected with an air pressure device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921723314.9U CN210824072U (en) | 2019-10-15 | 2019-10-15 | Pneumatic control eccentric force wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921723314.9U CN210824072U (en) | 2019-10-15 | 2019-10-15 | Pneumatic control eccentric force wheel |
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| Publication Number | Publication Date |
|---|---|
| CN210824072U true CN210824072U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921723314.9U Active CN210824072U (en) | 2019-10-15 | 2019-10-15 | Pneumatic control eccentric force wheel |
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| CN (1) | CN210824072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245072A (en) * | 2021-04-29 | 2021-08-13 | 昆山金牛动力机械有限公司 | One-way heart dish centrifuge and centrifugal equipment that possess spiral acceleration |
| CN114560240A (en) * | 2022-03-16 | 2022-05-31 | 深圳市高士达科技有限公司 | Vibration disk |
-
2019
- 2019-10-15 CN CN201921723314.9U patent/CN210824072U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245072A (en) * | 2021-04-29 | 2021-08-13 | 昆山金牛动力机械有限公司 | One-way heart dish centrifuge and centrifugal equipment that possess spiral acceleration |
| CN113245072B (en) * | 2021-04-29 | 2024-05-17 | 昆山金牛动力机械有限公司 | Unidirectional heart disk type centrifugal machine with spiral acceleration function and centrifugal equipment |
| CN114560240A (en) * | 2022-03-16 | 2022-05-31 | 深圳市高士达科技有限公司 | Vibration disk |
| CN114560240B (en) * | 2022-03-16 | 2023-04-14 | 深圳市高士达科技有限公司 | Vibration dish |
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