Pneumatic vibration device for preventing powder conveying pipeline from being blocked

Abstract

The utility model discloses a pneumatic vibration device for preventing powder conveying pipeline from being blocked, which comprises a base, a cylinder body, an upper cover body, a lower cover body and a piston, the base is fixed on the outer wall of the powder conveying pipeline, the cylinder body is fixed on the base, the upper cover body is fixed on the top of the cylinder body, the lower cover body is embedded in the bottom of the cylinder body, and the piston is fixed on the upper cover body. The piston is movably arranged in the cylinder body and divides an inner cavity of the cylinder body into an upper cavity and a lower cavity which are variable in size, an upper ventilation channel and a lower ventilation channel which are communicated with the upper cavity and the lower cavity of the cylinder body respectively are formed in the piston, and a circle of ventilation groove is formed in the middle of the inner side wall of the cylinder body. An air inlet hole communicated with the ventilation groove is formed in the side wall of the cylinder body, and an upper exhaust hole and a lower exhaust hole which are communicated with the upper cavity and the lower cavity of the cylinder body respectively are further formed in the side wall of the cylinder body. The utility model has the advantages of simple structure, convenience in assembly and disassembly, low working noise and capability of effectively reducing the adverse effect of the working noise on workers.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibration device technical field, specifically prevent the pneumatic vibration device of powder conveying pipeline blockage. BACKGROUND

[0002] Powder conveying pipeline is mainly used for conveying various powder materials, and in the process of conveying the powder materials, the problem of pipeline blockage caused by the adhesion of the materials on the inner wall of the pipeline is usually encountered, in the prior art, in order to solve the problem, a vibration rod is usually used to vibrate the outer wall of the powder conveying pipeline, so that the powder materials adhered on the inner wall of the pipeline are vibrated and fall off, but this way has the following defects in the actual application process: the noise of the vibration rod is very large and harsh every time, which brings great influence to the personnel in the surrounding working environment, and long-term working in such an environment is not conducive to the physical and mental health of the employees. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a pneumatic vibration device for preventing powder conveying pipeline blockage, to solve the technical problems in the background art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0005] A pneumatic vibration device for preventing powder conveying pipeline blockage, comprising a base, a cylinder body, an upper cover body, a lower cover body and a piston, the base is fixed on the outer wall of the powder conveying pipeline, the cylinder body is fixed on the base, the upper cover body is fixed on the top of the cylinder body, the lower cover body is movably embedded in the bottom of the cylinder body and in contact with the top surface of the base, the piston is movably arranged in the cylinder body and divides the inner cavity of the cylinder body into two variable-size chambers, the inside of the piston is provided with an upper air passage communicating with the upper chamber of the cylinder body and a lower air passage communicating with the lower chamber of the cylinder body, a ring of air passage grooves is formed in the middle of the inner side wall of the cylinder body, air inlet holes are formed in the side wall of the cylinder body and communicate with the air passage grooves, and upper air outlet holes and lower air outlet holes are also formed in the side wall of the cylinder body and communicate with the upper chamber and the lower chamber of the cylinder body.

[0006] Further, the air inlet holes are connected with air inlet joints.

[0007] Further, the air inlet joints are connected with electromagnetic valves, and the electromagnetic valves are connected with air sources.

[0008] Further, the upper air outlet holes and the lower air outlet holes are connected with air outlet joints.

[0009] Further, the air outlet joints are connected with silencers, and the silencers communicate with the external atmosphere.

[0010] Further, the top of the piston is provided with an upper piston head, and the bottom of the piston is provided with a lower piston head.

[0011] Further, the inside of the upper piston head is provided with an upper transverse air channel, and the inside of the lower piston head is provided with a lower transverse air channel, the upper transverse air channel is communicated with the upper air passage and the upper chamber of the cylinder respectively, and the lower transverse air channel is communicated with the lower air passage and the lower chamber of the cylinder respectively.

[0012] Further, the cylinder is provided with a sealing ring between the upper cover body, the lower cover body and the piston.

[0013] Compared with the prior art, the utility model has the advantages of simple structure, convenient installation and removal, low working noise, and can effectively reduce the adverse effects of working noise on the surrounding environment. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings described below are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0015] Figure 1 It is the piston of an embodiment of the pneumatic vibration device for preventing powder conveying pipeline from being blocked in the utility model from being in the upper position state sectional view;

[0016] Figure 2 It is the piston of an embodiment of the pneumatic vibration device for preventing powder conveying pipeline from being blocked in the utility model from being in the lower position state sectional view;

[0017] Figure 3 It is the piston of an embodiment of the pneumatic vibration device for preventing powder conveying pipeline from being blocked in the utility model from being in the upper position state sectional view when being connected with the powder conveying pipe body;

[0018] Figure 4 It is the piston of an embodiment of the pneumatic vibration device for preventing powder conveying pipeline from being blocked in the utility model from being in the lower position state sectional view when being connected with the powder conveying pipe body;

[0019] Figure 5 It is the piston of another embodiment of the pneumatic vibration device for preventing powder conveying pipeline from being blocked in the utility model from being in the upper position state sectional view;

[0020] Figure 6 It is the piston of another embodiment of the pneumatic vibration device for preventing powder conveying pipeline from being blocked in the utility model from being in the lower position state sectional view;

[0021] Figure 7is another embodiment of the utility model pneumatic vibration device of preventing powder conveying pipeline blockage's piston is in the upper position sectional view;

[0022] Figure 8 is another embodiment of the utility model pneumatic vibration device of preventing powder conveying pipeline blockage's piston is in the lower position sectional view;

[0023] Mark explanation: 1, base, 2, cylinder, 3, upper cover body, 4, lower cover body, 5, piston, 6, upper air passage, 7, lower air passage, 8, air groove, 9, air inlet hole, 10, upper exhaust hole, 11, lower exhaust hole, 12, air inlet joint, 13, exhaust joint, 14, electromagnetic valve, 15, muffler, 16, upper piston head, 17, lower piston head, 18, upper transverse air passage, 19, lower transverse air passage, 20, sealing ring, 21, powder conveying pipeline. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantage of the utility model more clear, the technical scheme in the embodiment of the utility model will be described clearly and completely below in combination with the drawings in the embodiment of the utility model, and obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] In the description of the embodiment of the utility model, it should be explained that if the terms "upper", "lower", "horizontal", "inner" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the application when used, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance. In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0027] In the description of the embodiments of the utility model, still need explaining, unless another explicit provision and limitation, if appearing the term "arrangement", "installation", "connection", "connect" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication. For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning in the utility model.

[0028] The utility model is further described below in conjunction with the drawings:

[0029] Referring to Figures 1 to 4 , the application shows an embodiment of the utility model pneumatic vibration device for preventing powder conveying pipeline blockage, including base 1, cylinder body 2, upper cover body 3, lower cover body 4 and piston 5, wherein base 1 is fixed by welding on the outer wall of powder conveying pipeline 21, cylinder body 2 is fixed on base 1 by bolt, upper cover body 3 is fixed by bolt and is arranged on the top of cylinder body 2, lower cover body 4 is movably embedded in the bottom of cylinder body 2 and is in contact with the top surface of base 1, piston 5 is movably arranged in the inside of cylinder body 2 and divides the inner cavity of cylinder body 2 into two variable size chambers, the inside of piston 5 is provided with upper air passage 6 communicated with the upper chamber of cylinder body 2 and lower air passage 7 communicated with the lower chamber of cylinder body 2, a circle of air passage grooves 8 is formed in the middle of the inner side wall of cylinder body 2, air inlet hole 9 communicated with air passage groove 8 is formed in the side wall of cylinder body 2, upper air outlet hole 10 communicated with the upper chamber of cylinder body 2 and lower air outlet hole 11 communicated with the lower chamber of cylinder body 2 are also formed in the side wall of cylinder body 2.

[0030] Specifically, as Figure 1 shown, when piston 5 is in the upper position, air inlet hole 9 will be communicated with upper air passage 6 through air passage groove 8, at this time, high-pressure gas is introduced, high-pressure gas will enter air passage groove 8 from air inlet hole 9, then enter upper air passage 6 from air passage groove 8, finally enter the lower chamber of cylinder body 2 from upper air passage 6, press piston 5 down and hit lower cover body 4, so that lower cover body 4 vibrates.

[0031] Specifically, as Figure 2 shown, when piston 5 is in the lower position, air inlet hole 9 will be communicated with lower air passage 7 through air passage groove 8, at this time, high-pressure gas is introduced, high-pressure gas will enter lower air passage 7 from air inlet hole 9 through air passage groove 8, finally enter the lower chamber of cylinder body 2 from lower air passage 7, so that piston 5 moves up and hits upper cover body 4, so that upper cover body 4 vibrates.

[0032] The piston 5 reciprocates in the cylinder 2 to strike the upper cover 3 and the lower cover 4, so that the upper cover 3 and the lower cover 4 vibrate, and the cylinder 2 vibrates to drive the base 1 to vibrate, so that the base 1 strikes the outer wall of the powder conveying pipeline 21, and the powder adhered to the inner wall of the powder conveying pipeline 21 is vibrated down, thereby effectively preventing the powder from blocking the powder conveying pipeline 21.

[0033] Further, in the above-mentioned embodiment, the air inlet joint 12 is connected to the air inlet hole 9, and the air inlet joint 12 is connected to a high-pressure gas source to introduce high-pressure gas into the cylinder 2.

[0034] Further, in the above-mentioned embodiment, the upper exhaust hole 10 and the lower exhaust hole 11 are both connected to the exhaust joint 13, and the exhaust joint 13 is used to exhaust the gas in the cylinder 2.

[0035] Referring to Figure 5 and Figure 6 , in order to facilitate the control of the on-off of the gas source, another embodiment is shown based on the above-mentioned embodiment:

[0036] Specifically, the air inlet joint 12 is connected to the electromagnetic valve 14, and the electromagnetic valve 14 is connected to a high-pressure gas source (not shown in the figure). By arranging the electromagnetic valve 14, the air inlet joint 12 can be connected to or disconnected from the high-pressure gas source.

[0037] Referring to Figure 7 and Figure 8 , in order to reduce the exhaust noise, another embodiment is shown based on the above-mentioned embodiment:

[0038] Specifically, the exhaust joint 13 is connected to the silencer 15, and the silencer 15 is connected to the external atmosphere. By arranging the silencer 15, the noise generated when the cylinder exhausts can be effectively reduced.

[0039] Further, in the above-mentioned embodiment, the top of the piston 5 protrudes an upper piston head 16, and the bottom of the piston 5 protrudes a lower piston head 17. The diameters of the upper piston head 16 and the lower piston head 17 are both smaller than that of the piston 5. When the piston 5 is in the upper position, the air at the upper end of the piston 5 can run into the cavity formed between the upper piston head 16 and the cylinder 2, so that the upper piston head 16 can directly strike the upper cover 3. When the piston 5 is in the lower position, the air at the lower end of the piston 5 can run into the cavity formed between the lower piston head 17 and the cylinder 2, so that the lower piston head 17 can directly strike the lower cover 4.

[0040] Further, in the above-mentioned embodiment, the interior of the upper piston head 16 is provided with an upper transverse air passage 18, the interior of the lower piston head 17 is provided with a lower transverse air passage 19, and the upper transverse air passage 18 is communicated with the upper air passage 6 and the upper chamber of the cylinder body 2 respectively, and the lower transverse air passage 19 is communicated with the lower air passage 7 and the lower chamber of the cylinder body 2 respectively.

[0041] Further, in order to prevent air leakage, in the above-mentioned embodiment, a sealing ring 20 is installed between the cylinder body 2 and the upper cover body 3, the lower cover body 4 and the piston 5.

[0042] Further, in order to facilitate installation, disassembly and replacement, in the above-mentioned embodiment, the cylinder body 2 is connected with the upper cover body 3 and the base 1 by bolts.

[0043] Finally, it is to be explained that the above-mentioned is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation according to the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A pneumatic vibration device for preventing blockage of powder conveying pipelines, characterized in that: The utility model relates to a powder conveying device, which comprises a base (1), a cylinder (2), an upper cover (3), a lower cover (4) and a piston (5), wherein the base (1) is fixed on the outer wall of a powder conveying pipeline (21), the cylinder (2) is fixed on the base (1), the upper cover (3) is fixed on the top of the cylinder (2), the lower cover (4) is movably embedded in the bottom of the cylinder (2) and is in contact with the top surface of the base (1), the piston (5) is movably arranged in the cylinder (2) and divides the inner cavity of the cylinder (2) into two variable-size chambers, the piston (5) is internally provided with an upper air passage (6) communicating with the upper chamber of the cylinder (2) and a lower air passage (7) communicating with the lower chamber of the cylinder (2), a ventilation groove (8) is formed in the middle of the inner side wall of the cylinder (2), an air inlet hole (9) is formed in the side wall of the cylinder (2) and communicates with the ventilation groove (8), an upper air outlet hole (10) communicating with the upper chamber of the cylinder (2) and a lower air outlet hole (11) communicating with the lower chamber of the cylinder (2) are also formed in the side wall of the cylinder (2).

2. The pneumatic vibration device for preventing the powder conveying pipeline from being blocked according to claim 1, wherein: An air inlet connector (12) is connected to the air inlet hole (9).

3. The pneumatic vibration device for preventing the powder conveying pipeline from being blocked according to claim 2, characterized in that: The air inlet connector (12) is connected to a solenoid valve (14), and the solenoid valve (14) is connected to a gas source.

4. The pneumatic vibration device for preventing the powder conveying pipeline from being blocked according to claim 1, wherein: An air outlet connector (13) is connected to the upper air outlet hole (10) and the lower air outlet hole (11).

5. The pneumatic vibration device for preventing the powder conveying pipeline from being blocked according to claim 4, characterized in that: The air outlet connector (13) is connected to a muffler (15), and the muffler (15) communicates with the external atmosphere.

6. The pneumatic vibration device for preventing powder conveying pipeline from being blocked according to claim 1, wherein: An upper piston head (16) is protruded from the top of the piston (5), and a lower piston head (17) is protruded from the bottom of the piston (5).

7. The pneumatic vibration device for preventing the powder conveying pipeline from being blocked according to claim 6, characterized in that: An upper horizontal air passage (18) is arranged in the upper piston head (16), and a lower horizontal air passage (19) is arranged in the lower piston head (17), wherein the upper horizontal air passage (18) respectively communicates with the upper air passage (6) and the upper chamber of the cylinder (2), and the lower horizontal air passage (19) respectively communicates with the lower air passage (7) and the lower chamber of the cylinder (2).

8. The pneumatic vibration device for preventing the powder conveying pipeline from being blocked according to claim 1, wherein: Sealing rings (20) are arranged between the cylinder (2) and the upper cover (3), the lower cover (4) and the piston (5).

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