Pneumatic discharge valve of transfer hopper
By setting up a pneumatic butterfly valve, push-pull reversing valve and one-way stop valve at the discharge port of the transfer hopper, the gas source and gas circuit communication and reversing action are used to realize the automatic control of the pneumatic union valve of the transfer hopper, and the problem of complex design of the union valve in the prior art is solved.
Patent Information
- Application Number
- CN202421090640.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-20
AI Technical Summary
Due to the complex design of the existing transport hopper, the unloading valve is not convenient for the installation of pneumatic or electric valves, resulting in high labor intensity and low efficiency of the operator.
A pneumatic discharge valve is designed, and the valve plate, pneumatic butterfly valve, push-pull reversing valve and one-way stop valve are installed at the discharge port of the transfer hopper, and the valve is automatically controlled by using the gas source and gas circuit connection and reversing action.
There is no need to add a power device to the transport hopper itself, which simplifies the design of the mobile device, improves the automation of the unloading valve, and reduces the labor intensity of the operator.
Smart Images
Figure CN222573169U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of discharge valves, and in particular relates to a pneumatic discharge valve for a transfer hopper. Background Art
[0002] Material conveying equipment involves the transfer of granular materials, powdered materials, and liquid materials. The materials enter the transfer hopper after being weighed and are transported to the material bin by the transfer hopper. The commonly used transfer hopper has an upper inlet and lower outlet method. During the material transfer process, the lower outlet valve of the transfer hopper is in the closed position. Since the transfer hopper is a moving part, it is not convenient to install pneumatic valves or electric valves on the lower outlet valve of the transfer hopper. The use of manual valves results in high labor intensity and low efficiency for operators. Therefore, how to reduce the labor intensity of operators and improve the degree of automation of equipment has become a technical problem that needs to be solved urgently. Summary of the invention
[0003] The technical problem to be solved by the utility model is to provide a pneumatic discharge valve for a transfer hopper. By improving the valve body control part, there is no need to add a power device to the transfer hopper itself, which can make the design of the transfer hopper moving device simpler and improve the degree of automation of the discharge valve.
[0004] The technical solution adopted by the utility model is: a pneumatic unloading valve of a transfer hopper, comprising a valve plate arranged at a discharge port of the transfer hopper by means of a rotating shaft, the pneumatic unloading valve also comprises a pneumatic butterfly valve arranged on the outside of the discharge port of the transfer hopper and connected to the rotating shaft, a push-pull reversing valve installed on a transfer hopper frame by means of a first bracket, a docking plate arranged on the upper end face of the first bracket, and a one-way stop valve arranged at a docking interface position in the docking plate, a first air circuit pipe is arranged between the pneumatic butterfly valve and the push-pull reversing valve, a second air circuit pipe is arranged between the one-way stop valve and the push-pull reversing valve, and the docking interface of the docking plate and the reversing button of the push-pull reversing valve realize air source and air circuit connection and reversing action by means of a braking mechanism of the unloading station.
[0005] Furthermore, a trumpet-shaped through hole is provided at the center of the docking plate, and the one-way stop valve is docked with the trumpet-shaped through hole.
[0006] Furthermore, the trumpet-shaped through hole and the reversing button of the push-pull reversing valve are distributed above and below, and the model of the push-pull reversing valve is M5PP21008B.
[0007] Furthermore, the braking mechanism includes a second bracket arranged at the unloading station, a first cylinder arranged on the upper end face of the second bracket, a second cylinder arranged on the front end face of the second bracket, and an air source probe and a reversing valve probe respectively arranged at the output ends of the first cylinder and the second cylinder. The air source probe is made of polyurethane, and the outer side of the air source probe is connected to the air source by means of a main air source pipeline.
[0008] The beneficial effects produced by adopting the utility model are as follows: by improving the valve body control part, there is no need to add a power device to the transfer hopper itself, the design of the transfer hopper moving device can be made simpler, and the automation degree of the discharge valve is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a structural schematic diagram of the utility model;
[0010] In the accompanying drawings: 1 is a pneumatic butterfly valve, 2 is a first bracket, 3 is a push-pull reversing valve, 4 is a docking plate, 5 is a one-way stop valve, 6 is a first air pipe, 7 is a second air pipe, 8 is a second bracket, 9 is a first cylinder, 10 is a second cylinder, 11 is an air source probe, and 12 is a reversing valve probe. DETAILED DESCRIPTION
[0011] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.
[0012] See attached Figure 1 The pneumatic discharge valve of the transfer hopper includes a valve plate arranged at the discharge port of the transfer hopper by means of a rotating shaft, and the pneumatic discharge valve also includes a pneumatic butterfly valve 1 arranged on the outside of the discharge port of the transfer hopper and connected to the rotating shaft, a push-pull reversing valve 3 installed on the transfer hopper frame by means of a first bracket 2, a docking plate 4 arranged on the upper end surface of the first bracket 2, and a one-way stop valve 5 arranged at the docking interface position in the docking plate 4. A first air circuit pipe 6 is arranged between the pneumatic butterfly valve 1 and the push-pull reversing valve 3, and a second air circuit pipe 7 is arranged between the one-way stop valve 5 and the push-pull reversing valve 3. The docking interface of the docking plate 4 and the reversing button of the push-pull reversing valve 3 realize air source and air circuit connection and reversing action with the help of the braking mechanism of the unloading station.
[0013] A trumpet-shaped through hole is provided at the center of the docking plate 4, and the one-way stop valve 5 is docked with the trumpet-shaped through hole.
[0014] The trumpet-shaped through hole and the reversing button of the push-pull reversing valve 3 are arranged in a distributed manner above and below, and the model of the push-pull reversing valve 3 is M5PP21008B.
[0015] The braking mechanism includes a second bracket 8 arranged at the unloading station, a first cylinder 9 arranged on the upper end surface of the second bracket 8, a second cylinder 10 arranged on the front end surface of the second bracket 8, and an air source probe 11 and a reversing valve probe 12 respectively arranged at the output ends of the first cylinder 9 and the second cylinder 10. The material of the air source probe 11 is polyurethane, and the outer side of the air source probe 11 is connected to the air source by means of a main air source pipeline.
[0016] In the specific implementation, after the transfer hopper is moved into place, with the help of the first cylinder 9, the air source probe 11 is docked with the trumpet-shaped through hole 4-1 of the docking plate; with the help of the second cylinder 10, the reversing valve probe 12 pushes the reversing button of the push-pull reversing valve 3 into place; then, the air source uses the main air source pipeline, and the compressed air passes through the air source probe 11, the docking plate 4, the one-way stop valve 5, the second air circuit pipe 7, the push-pull reversing valve 3, and the first air circuit pipe 6 in turn, and enters the pneumatic butterfly valve 1, and the valve plate is opened with the help of the pneumatic butterfly valve 1, and the material in the transfer hopper begins to flow out.
[0017] After the material in the transfer hopper has flowed out, the air source is cut off; then with the help of the first cylinder 9 and the second cylinder 10, the air source probe 11, the reversing valve probe 12 and the reversing button of the pull reversing valve 3 are reset, and the compressed air automatically changes position inside the pull reversing valve 3 to close the pneumatic butterfly valve 1, thereby closing the valve plate of the transfer hopper.
[0018] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. A pneumatic discharge valve of a transfer hopper, comprising a valve plate arranged at a discharge port of the transfer hopper by means of a rotating shaft, characterized in that: The pneumatic discharge valve further comprises a pneumatic butterfly valve (1) arranged at the outer side of the discharge port of the transfer hopper and connected to the rotating shaft, a push-pull reversing valve (3) mounted on the frame of the transfer hopper by means of a first bracket (2), a docking plate (4) arranged on the upper end surface of the first bracket (2), and a one-way stop valve (5) arranged at the docking port position in the docking plate (4); a first air path pipe (6) is arranged between the pneumatic butterfly valve (1) and the push-pull reversing valve (3); a second air path pipe (7) is arranged between the one-way stop valve (5) and the push-pull reversing valve (3); the docking port of the docking plate (4) and the reversing button of the push-pull reversing valve (3) realize air source and air path communication and reversing action by means of a brake mechanism of the discharge station.
2. The pneumatic discharge valve of the transfer hopper according to claim 1 is characterized in that: A trumpet-shaped through hole is provided at the center of the docking plate (4), and the one-way stop valve (5) is docked with the trumpet-shaped through hole.
3. The pneumatic discharge valve of the transfer hopper according to claim 2 is characterized in that: The trumpet-shaped through hole and the reversing button of the push-pull reversing valve (3) are arranged in a distributed manner above and below, and the model of the push-pull reversing valve (3) is M5PP21008B.
4. The pneumatic discharge valve of the transfer hopper according to claim 1, characterized in that: The braking mechanism comprises a second bracket (8) arranged at the unloading station, a first cylinder (9) arranged on the upper end surface of the second bracket (8), a second cylinder (10) arranged on the front end surface of the second bracket (8), and an air source probe (11) and a reversing valve probe (12) respectively arranged at the output ends of the first cylinder (9) and the second cylinder (10), wherein the air source probe (11) is made of polyurethane, and the outer side of the air source probe (11) is connected to the air source by means of a main air source pipeline.