Leakage detection tool for shot blasting valve in shot blasting machine
By using a leak detection tool with solenoid valves and air pressure sensors in the shot blasting machine, the problem of time-consuming and labor-intensive leak detection of shot blasting valves has been solved, achieving the effect of quickly locating leak points and reducing downtime losses.
Patent Information
- Application Number
- CN202422439011.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-10-10
AI Technical Summary
Leakage detection of shot blasting valves in shot blasting machines requires disassembling each piece of equipment, which is time-consuming and labor-intensive, and lacks automatic detection and alarm functions, resulting in prolonged downtime and economic losses.
A leak detection tool comprising a solenoid valve, a pressure sensor, and an alarm was designed. It is connected in series to the shot blasting machine branch, and the pressure sensor detects pressure changes and issues an alarm when a leak occurs, thus quickly locating the leak point.
It enables rapid and accurate leak detection, reduces maintenance time, avoids equipment damage, and improves production efficiency and equipment lifespan.
Smart Images

Figure CN223595184U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of detection tool, concretely is the leak detection tool for the shot blasting valve in shot blasting machine. BACKGROUND
[0002] Shot blasting machine refers to the high-speed projectile that utilizes shot blasting machine to clear or strengthen the surface of casting. Shot blasting machine can simultaneously carry out shakeout, core removal and cleaning to casting, and shot blasting machine has three branches of air supply, the first branch reaches pneumatic valve, controls steel shot to shot blasting machine, and the other two branches reach pulse valve gas tank, controls the opening and closing of pulse valve, and there are 10 parallel pneumatic valves on the first branch, and there are 10 pulse valves on each tank on the other two branches. Any valve leakage will cause the overall air pressure to be too low and make the air compressor work continuously, which will cause the air compressor to overheat and burn out.
[0003] Since there are multiple valves that need to be detected, and multiple devices need to be disassembled for leakage judgment of each valve, the maintenance time will be increased, the downtime will be increased, the production capacity will be reduced, and economic losses will be caused, and most of them do not have the function of automatic detection and alarm, and the leakage needs to be checked one by one, which is time-consuming and laborious. Therefore, the technical personnel in the field provide the leak detection tool for the shot blasting valve in the shot blasting machine to solve the problems in the above background technology. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing the leak detection tool for the shot blasting valve in the shot blasting machine to solve the problems in the above background technology.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] The leak detection tool for the shot blasting valve in the shot blasting machine, including electromagnetic valve one, three-way joint and air pressure sensor, characterized by: the both ends of electromagnetic valve one are external thread joint, one end of electromagnetic valve one is provided with air inlet pipe joint, one end of air inlet pipe joint is gas pipe quick connector, the center position of electromagnetic valve one is provided with valve wrench, valve wrench is rotationally connected with electromagnetic valve one, the opposite end of air inlet pipe joint is internal thread joint, electromagnetic valve one is screw connected with air inlet pipe joint, the other end of electromagnetic valve one is provided with three-way joint.
[0007] As a further scheme of the utility model: the three joints of three-way joint are all internally threaded connections, the vertical one end interface of three-way joint is provided with air pressure sensor through threaded connection, the last end of three-way joint is provided with air outlet pipe joint, in the utility model, all the components except the air pressure sensor are made of brass.
[0008] The electromagnetic valve two is fixedly connected between the air pressure sensor and the tee joint, the alarm is fixedly connected to one side wall of the air pressure sensor, and the small processor is fixedly connected to one side of the alarm on the air pressure sensor.
[0009] As a further scheme of the utility model: the top of the air inlet pipe joint and the air outlet pipe joint is provided with a trachea quick connector, and the top end of the organ quick connector is tripped.
[0010] As a further scheme of the utility model: the bottom of the air outlet pipe joint is provided with a connecting external thread, and the trachea quick connector is connected with the tee joint through threads.
[0011] As a further scheme of the utility model: the middle parts of the air inlet pipe joint and the air outlet pipe joint are provided with a connecting locking device, and the connecting locking device is in the shape of a nut.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1、 the utility model discloses a series of components are connected into each branch, so that the air inlet pipe joint is connected with the air inlet pipe, sufficient air pressure is injected into the system, the valve wrench of electromagnetic valve one is closed after the pressure is stable, the rear half of the utility model is sealed with the rear half of the branch, if the part leaks, the air pressure sensor shows a decrease, if there is no leakage, the air pressure sensor shows stability, the scheme can quickly judge whether the branch after the air outlet pipe joint of the utility model leaks, the air outlet pipe joint is connected with the air inlet pipe, sufficient air pressure is injected into the system, the valve wrench of electromagnetic valve one is closed after the pressure is stable, whether the branch before the utility model leaks is judged according to the change of the pressure indication number, the above scheme can quickly judge the leakage position, and the maintenance efficiency is improved.
[0014] Moreover, when the air pressure sensor detects sudden pressure change, information can be sent to the small controller, the small controller can send instructions to the alarm to send alarm information, so that the leakage point can be found in the first time, and meanwhile, electromagnetic valve one is controlled to be closed, so that emergency response can be made in the first time, loss is avoided, and electromagnetic valve two can facilitate replacement and detection of the air pressure sensor.
[0015] 2、 in the utility model, each component is a standard part, is simple to replace, convenient to install and use, and is made of brass material, so that corrosion resistance is stronger, and service life is longer. ACCURACY
[0016] Fig. 1 It is a structural schematic view of the utility model;
[0017] Fig. 2It is the structure schematic view of the air outlet pipe joint in the utility model.
[0018] Fig. 3 It is the side view of the air pressure sensor part in the utility model.
[0019] In the drawing: 1, air inlet pipe joint; 2, electromagnetic valve one; 3, three-way joint; 4, air outlet pipe joint; 5, air pressure sensor; 6, valve wrench; 7, tripping; 8, connecting external thread; 9, connecting locking device; 10, electromagnetic valve; 11, alarm; 12, small controller. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0021] Please refer to Figs. 1-3 In the embodiments of the utility model, the leak detection tool for the shot blasting valve in the shot blasting machine comprises an electromagnetic valve one 2, a three-way joint 3 and an air pressure sensor 5. The two ends of the electromagnetic valve one 2 are external thread joints. The electromagnetic valve one 2 is provided with an air inlet pipe joint 1 at one end. The end of the air inlet pipe joint 1 is a gas pipe quick connector. The electromagnetic valve one 2 is provided with a valve wrench 6 at the central position. The valve wrench 6 is rotationally connected with the electromagnetic valve one 2. The opposite end of the air inlet pipe joint is an internal thread joint. The electromagnetic valve one 2 is threadedly connected with the air inlet pipe joint 1. The electromagnetic valve one 2 is provided with the three-way joint 3 at the other end. The three joints of the three-way joint 3 are internally threadedly connected. The three-way joint 3 is a "T" type and is provided with the air pressure sensor 5 at the vertically one end interface through thread connection. The three-way joint 3 is provided with an air outlet pipe joint 4 at the last end. The utility model is connected to the branch of the shot blasting machine in positive and reverse directions. Whether the number of the air pressure sensor 5 changes is used to judge the leakage of the front and rear branches. The utility model is simple to use and accurate to judge. In the utility model, all the components except the air pressure sensor 5 are made of brass, which prevents the utility model from rusting and improves the service life.
[0022] The top of the air inlet pipe joint 1 and the air outlet pipe joint 4 is provided with a gas pipe quick connector, and the top end of the organ quick connector is a tripping 7. The gas pipe can be quickly pulled out by pressing the tripping 7, which is convenient to use.
[0023] The electromagnetic valve two 10 is fixedly connected between the air pressure sensor 5 and the tee joint 3, the alarm 11 is fixedly connected to one side wall of the air pressure sensor 5, the small processor 12 is fixedly connected to one side of the alarm 11 on the air pressure sensor 5, and the small processor 12 is electrically connected with the alarm 11, the electromagnetic valve one and the electromagnetic valve two through wires.
[0024] By adopting the technical scheme, when the air pressure sensor 5 detects a sudden change in pressure, information can be sent to the small controller 12, the small controller 12 can send an instruction to the alarm 11 to issue an alarm information, ensuring that the leakage point is found in the first time, and at the same time, the electromagnetic valve one 2 is controlled to be closed, so that an emergency response can be made in the first time to avoid losses, and the electromagnetic valve two 10 can facilitate replacement and detection of the air pressure sensor.
[0025] The bottom of the air outlet pipe joint 4 is provided with a connecting external thread 8, and the air pipe quick connector is connected with the tee joint 3 through threads, and the thread connection mode of the air inlet pipe joint 1 is different from that of the air outlet pipe joint 4 but does not need to use an additional adapter;
[0026] The middle parts of the air inlet pipe joint 1 and the air outlet pipe joint 4 are provided with connecting locking devices 9, the connecting locking devices 9 are in the shape of nuts, and the connecting locking devices 9 are clamped and rotated by using a wrench, so that the airtightness of the connection can be ensured.
[0027] The working principle of the utility model is as follows: when the leakage detection of the branch of the shot blasting machine is carried out, the utility model is connected in series into each branch, first, the air inlet pipe joint 1 is connected with the air inlet pipe, the air outlet pipe joint 4 is connected with the latter half of the branch, the air pipe is directly inserted into the air pipe quick connector of the air inlet pipe joint 1 and the air outlet pipe joint 4, sufficient air pressure is injected into the shot blasting machine system, the valve handle 6 of the electromagnetic valve one 2 is closed after the pressure is stable, at this time, the part after the electromagnetic valve one 2 of the utility model is airtight with the latter half of the branch, if the latter half of the branch leaks, the air pressure sensor 5 shows a decrease, and if there is no leakage, the air pressure sensor 5 shows a stable number; if the latter half of the branch does not leak, the utility model is reversed, the air outlet pipe joint 4 is connected with the air inlet pipe, the air inlet pipe joint 1 is connected with the latter half of the branch, and sufficient air pressure is injected into the system, the valve handle 6 of the electromagnetic valve one 2 is closed after the pressure is stable, at this time, the former half of the branch is airtight with the electromagnetic valve one 2 of the utility model, whether the branch before the utility model leaks is judged according to the change of the pressure indication number, the leakage position can be quickly judged through the above scheme, and the maintenance efficiency is improved.
[0028] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A leak detection tool for shot blasting valves in a shot blasting machine, comprising a solenoid valve (2), a three-way connector (3), and a pressure sensor (5), characterized in that: The solenoid valve (2) has external threaded connectors at both ends. One end of the solenoid valve (2) is provided with an air inlet connector (1). One end of the air inlet connector (1) is a quick-connect air pipe connector. A valve wrench (6) is provided at the center of the solenoid valve (2). The valve wrench (6) is rotatably connected to the solenoid valve (2). The other end of the air inlet connector is an internal threaded connector. The solenoid valve (2) is threadedly connected to the air inlet connector (1). A three-way connector (3) is provided at the other end of the solenoid valve (2). All three connectors of the three-way connector (3) are internally threaded. The three-way connector (3) is T-shaped and the vertical end is connected to a pressure sensor (5) via a threaded connection. The last end of the three-way connector (3) is provided with an air outlet connector (4). A solenoid valve (10) is fixedly connected between the pressure sensor (5) and the three-way connector (3). An alarm (11) is fixedly connected to one side wall of the pressure sensor (5). A small processor (12) is fixedly connected to the pressure sensor (5) on one side of the alarm (11).
2. The leak detection tool for shot blasting valves in a shot blasting machine according to claim 1, characterized in that: The top of the air inlet pipe connector (1) and the air outlet pipe connector (4) are provided with quick-connect tracheal connectors and the top of the quick-connect organ connectors is a release (7).
3. The leak detection tool for shot blasting valves in a shot blasting machine according to claim 1, characterized in that: The bottom of the air outlet connector (4) is provided with an external thread (8), and the quick-connect air pipe connector is connected to the tee connector (3) by the thread.
4. The leak detection tool for shot blasting valves in a shot blasting machine according to claim 1, characterized in that: The middle part of the air inlet pipe connector (1) and the air outlet pipe connector (4) is provided with a connecting locking device (9), which is in the shape of a nut.