Rotary pneumatic vibration device

Abstract

According to the technical scheme, the rotary type pneumatic vibration device is characterized by comprising a vibration body, the vibration body comprises a hollow box body, a wind wheel is arranged in the box body, the wind wheel is provided with a plurality of balance weight holes, and specific gravity pins capable of enabling the gravity center of the wind wheel to shift from the rotation center are arranged in the balance weight holes. The gravity pin is matched with the counterweight hole, the two ends of the box body are respectively provided with an end cover, the vibration body is provided with an air inlet and an air outlet, the air inlet is provided with a cushioning clamping device, the cushioning clamping device comprises a cushioning sleeve and a sleeve seat provided with internal threads, the sleeve seat is provided with a plurality of extending sheet-shaped protrusions A, and the sheet-shaped protrusions A are matched with the cushioning sleeve. The sheet-shaped protrusions A converge towards the inner rotation center. According to the utility model, the influence of vibration on the air inlet during working is reduced through the cushioning sleeve, and when the air pump interface is connected, the sheet-shaped bulge A is extruded to open and press the inner wall of the air inlet when the air pump interface enters, so that the air inlet and the air pump interface are not easy to loosen.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibration device technical field, more specifically, it relates to a rotary pneumatic vibration device. BACKGROUND

[0002] At present, the rotary vibration device is a kind of equipment that generates vibration by mechanical rotation, and its core principle is to form periodic vibration by centrifugal force of eccentric structure. It is widely used in industrial manufacturing and material processing field. Its core function covers key links such as material screening, dense forming industrial production and dynamic separation, and significantly improves production efficiency and process precision.

[0003] But there are still some defects in the above prior art, the pneumatic vibration device needs to be connected with the air pump pipeline during work, and the air inlet of the existing rotary pneumatic vibration device is mostly connected with the air pump connector by thread, when the vibration device vibrates, the air pump connector is prone to loosen due to long-term vibration, and even the air pump connector and the air inlet are damaged due to vibration, resulting in air leakage, reducing the working efficiency. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model provides a rotary pneumatic vibration device.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: including vibration body, the vibration body includes hollow box body, the box body is provided with wind wheel, the wind wheel is provided with a plurality of counterweight holes, the counterweight hole is provided with the specific gravity pin that will make wind wheel gravity center deviate from the center of rotation, the specific gravity pin is adapted to the counterweight hole, the both ends of box body are provided with end cover, vibration body is provided with air inlet and air outlet, the air inlet is provided with shock absorbing clamping device, the shock absorbing clamping device includes shock absorbing sleeve, the sleeve is provided with internal thread, the sleeve is provided with a plurality of extended sheet-shaped protrusions A, the sheet-shaped protrusion A converges to the inner center of rotation.

[0006] The utility model is further provided as follows: the outer surface of sheet-shaped protrusion A is provided with clamping protrusion B, the clamping protrusion B is close to tail end, the air inlet is provided with the clamping groove that is adapted.

[0007] The utility model is further provided as follows: the end surface of sleeve is provided with auxiliary protrusion C for auxiliary installation.

[0008] The utility model is further provided as follows: the shock absorbing sleeve is arranged between sleeve and air inlet, the length of shock absorbing sleeve is greater than sleeve and less than the total length of sleeve and sheet-shaped protrusion A.

[0009] The utility model is further provided as follows: the material of sleeve is PVC, and the shock absorbing sleeve is flexible rubber.

[0010] The utility model further sets up: the air inlet and air outlet are close to the extension line of wind wheel rotation tangent respectively.

[0011] The utility model further sets up: the air inlet is funnel shape.

[0012] Summarized above, the utility model has following beneficial effect: through the setting of slow rebound set, reduce the influence of the air inlet of the utility model when working by vibration, through the setting of sheet-shaped convex A, make the set seat obtain certain activity ability, when air pump interface access, sheet-shaped convex A is extruded and opens at the same time when air pump interface enters, and the air inlet inner wall is pressed tightly, so that the utility model air inlet and air pump interface are not easy to come off state. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the structural schematic diagram of this embodiment;

[0014] Fig. 2 It is the explosion schematic diagram of this embodiment;

[0015] Fig. 3 It is the local enlarged sectional view of A of this embodiment;

[0016] Reference signs: 1, vibration body;2, box body;21, end cap;3, wind wheel;31, counterweight hole;32, specific gravity pin;4, air outlet;5, air inlet;51, clamping groove;6, slow rebound clamping device;61, slow rebound set;62, set seat;621, internal thread;622, sheet-shaped convex A;6221, clamping convex B;623, auxiliary convex C. DETAILED DESCRIPTION

[0017] The utility model will be further explained in detail in connection with the drawings.

[0018] This embodiment discloses a rotary pneumatic vibration device, like Figs. 1 to 3As shown, including the vibration body 1, the vibration body 1 includes a hollow box 2, the box 2 is provided with wind wheel 3, the wind wheel 3 is provided with several counterweight holes 31, the counterweight hole 31 is provided with the specific gravity pin 32 that will make the wind wheel 3 gravity center offset rotation center;The wind wheel 3 is provided with the eccentricity of specific gravity pin 32, the wind wheel 3 generates periodic vibration due to gravity center deviation when rotating, the specific gravity pin 32 is adapted to the counterweight hole 31, so that the specific gravity pin 32 can be just set in the counterweight hole 31, avoid the specific gravity pin 32 set in the counterweight hole 31 to produce shake, produce noise, reduce service life.The box 2 both ends are provided with end cover 21, vibration body 1 is provided with air inlet 5 and air outlet 4, the air inlet 5 is provided with damping clamping device 6, the damping clamping device 6 includes damping sleeve 61, sleeve 62 is provided with internal thread 621, the sleeve 62 can be connected reliably by the internal thread 621 formed with air pump interface.The sleeve 62 is provided with several extended sheet-shaped protrusions A622, the sheet-shaped protrusions A622 converge to the inner rotation center.The installed air pump connector will enter the sleeve 62, extrude sheet-shaped protrusions A622 open, the open sheet-shaped protrusions A622 will extrude damping sleeve 61 and press tightly the inner wall of air inlet 5, so as to obtain stable and reliable connection state.

[0019] Further improvement, the outer surface of the sheet-shaped protrusion A622 is provided with clamping protrusion B6221, the clamping protrusion B6221 is close to the tail end, the air inlet 5 is provided with the matched clamping groove 51, the clamping protrusion B6221 provided on the open sheet-shaped protrusion A622 will approach and contact the clamping groove 51 with the opening of sheet-shaped protrusion A622, so that the shaft sleeve can be stably and reliably arranged in the air port when the air pump connector is installed, and it is not easy to fall out.

[0020] Further improvement, the end surface of the sleeve 62 is provided with auxiliary protrusion C623 for auxiliary installation.The setting of the auxiliary protrusion C623 can provide a force point when the air pump interface of the utility model is connected, so as to avoid the sleeve 62 and the air pump interface rotating together when the air pump interface is connected, and the air pump interface is difficult to install.

[0021] Further improvement, the damping sleeve 61 is arranged between the sleeve 62 and the air inlet 5, the length of the damping sleeve 61 is greater than that of the sleeve 62, and less than the total length of the sleeve 62 and the sheet-shaped protrusion A622.When the air pump connector is installed and arranged, the sheet-shaped protrusion A622 is expanded and pressed tightly the damping sleeve 61 under the action of the air connector, so that a good sealing layer is formed between the damping sleeve 61, the sleeve 62 and the air inlet 5, so that the utility model obtains good airtightness.

[0022] Further improvement, the sleeve 62 is made of PVC, the PVC material has excellent plasticity and processing adaptability, can be processed into various shapes, meanwhile has excellent tear resistance and wear resistance, can realize various hardness grades through formula adjustment, can be suitable for different intensity working scenes, and in chemical stability aspect, has resistance to common oil and chemicals, the shock absorbing sleeve 61 is flexible rubber, when meeting vibration, flexible rubber can absorb vibration and reduce the influence of vibration on connection.

[0023] Further improvement, the air inlet 5 and air outlet 4 are respectively close to the extension line of the rotation tangent of the wind wheel 3. The wind entering the air inlet 5 can push the wind wheel 3 to rotate in the direction of the rotation tangent of the wind wheel 3, the force is consistent with the movement direction, reduces energy loss and improves transmission efficiency; the tangent force hardly generates radial component, reduces the support pressure of the bearing, reduces friction loss and prolongs the service life of the bearing.

[0024] Further improvement, the air inlet 5 is funnel-shaped. The funnel-shaped arrangement of the air inlet 5 increases the speed of the incoming airflow at the end of the air inlet 5, increases the kinetic energy of the airflow pushing the wind wheel 3, and obtains higher energy conversion efficiency; the funnel-shaped structure gradually accelerates the airflow in the air inlet 5, avoids flow separation and vortex caused by sudden change of cross section, and reduces energy loss.

[0025] Working principle of the utility model

[0026] When the utility model is used, first, the shock absorbing sleeve 61 is placed on the sleeve seat 62, then the sleeve seat 62 is placed in the air inlet 5, the air pump interface is matched with the sleeve seat 62 through the threads arranged on the sleeve seat 62, the air pump interface is connected with the air inlet 5, when the air pump joint is installed, the shaft sleeve 62 can be prevented from rotating together with the pneumatic joint by abutting against the auxiliary protrusion C623, so that the installation difficulty is avoided; the entering piece-shaped protrusion A of the air pump interface is opened, the opening piece-shaped protrusion A622 makes the installation protrusion B cooperate with the installation groove, so that the pneumatic joint can be stably and reliably arranged in the utility model. The above-mentioned is only the preferred embodiment of the utility model, and is not used for limiting the utility model, any modification, equivalent replacement, improvement, etc. within the design concept of the utility model should be included in the protection scope of the utility model.

Claims

1. A rotary pneumatic vibration device comprising a vibration body (1), characterized in that: The vibration body (1) comprises a hollow box body (2), the box body (2) is provided with a wind wheel (3) inside, the wind wheel (3) is provided with a plurality of counterweight holes (31), the counterweight holes (31) are provided with specific gravity pins (32) that will offset the gravity center of the wind wheel (3) from the rotation center, the specific gravity pins (32) are adapted to the counterweight holes (31), the box body (2) is provided with end covers (21) at both ends, the vibration body (1) is provided with an air inlet (5) and an air outlet (4), the air inlet (5) is provided with a shock absorbing clamping device (6), the shock absorbing clamping device (6) comprises a shock absorbing sleeve (61) and a sleeve seat (62) provided with internal threads (621), the sleeve seat (62) is provided with a plurality of extended sheet-shaped protrusions A (622) that converge inwardly toward the rotation center.

2. A rotary pneumatic vibration device according to claim 1, characterized in that: The outer surface of the sheet-shaped protrusions A (622) is provided with clamping protrusions B (6221), the clamping protrusions B (6221) are close to the tail end, the air inlet (5) is provided with a clamping groove (51) that is adapted thereto.

3. A rotary pneumatic vibration device according to claim 2, characterized in that: The end surface of the sleeve seat (62) is provided with an auxiliary protrusion C (623) for assisting installation.

4. A rotary pneumatic vibration device according to claim 1, characterized in that: The shock absorbing sleeve (61) is arranged between the sleeve seat (62) and the air inlet (5), the length of the shock absorbing sleeve (61) is greater than that of the sleeve seat (62) and less than the total length of the sleeve seat (62) and the sheet-shaped protrusions A (622).

5. A rotary pneumatic vibration device according to claim 1, characterized in that: The material of the sleeve seat (62) is PVC, and the shock absorbing sleeve (61) is flexible rubber.

6. A rotary pneumatic vibration device according to claim 1, characterized in that: The air inlet (5) and the air outlet (4) are respectively close to the extension line of the rotational tangent of the wind wheel (3).

7. A rotary pneumatic vibration device according to claim 1, characterized in that: The air inlet (5) is funnel-shaped.

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