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CN-224223623-U - Pressure relief structure of water supply end of shot blasting machine

CN224223623UCN 224223623 UCN224223623 UCN 224223623UCN-224223623-U

Abstract

The utility model discloses a pressure relief structure of a water supply end of a shot blasting machine, which comprises a three-way joint, a water inlet pipe, a small water inlet shaft, a pressure relief valve and a pressure relief valve, wherein the water inlet pipe is connected with a first port of the three-way joint, the small water inlet shaft is connected with a second port of the three-way joint, a water inlet channel is arranged in the small water inlet shaft, the pressure relief valve is connected with a third port of the three-way joint, the first port and the third port are vertically opposite, and the opening pressure of the pressure relief valve is larger than the internal water pressure of the three-way joint. According to the utility model, the tee joint is arranged at the water inlet end of the shot blasting machine, the bottom port and the side port of the tee joint are respectively connected with the water inlet pipe and the water inlet small shaft, the port at the top is connected with the pressure release valve, when gas is mixed in water and passes through the tee joint, the gas can stay at the top of the tee joint, the pressure is increased after the water is extruded to jack the pressure release valve, and the gas is discharged, so that the influence on the effect of the shot blasting machine by the gas in the shot blasting machine is avoided.

Inventors

  • DENG JIANYONG
  • LI SHENG

Assignees

  • 邓剑勇

Dates

Publication Date
20260512
Application Date
20250530

Claims (9)

  1. 1. Pressure release structure of shot-blasting machine water supply end, its characterized in that includes: A three-way joint; the water inlet pipe is connected with the first port of the three-way joint; The water inlet small shaft is connected with a second port of the three-way joint, and a water inlet channel is arranged in the water inlet small shaft; The pressure relief valve is connected with the third port of the three-way joint, wherein the first port and the third port are vertically opposite, and the opening pressure of the pressure relief valve is larger than the internal water pressure of the water three-way joint.
  2. 2. The pressure relief structure of the water supply end of the shot blasting machine according to claim 1, wherein the pressure relief valve comprises a valve body, a spring arranged in the valve body and a valve core arranged in the valve body in a sliding manner, a conical cavity communicated with the outside is arranged in the valve body, a conical head for sealing the bottom part of the conical cavity is arranged at the bottom part of the valve core, and the spring applies elasticity to the valve core to enable the conical head to press the bottom part of the conical cavity so as to enable the pressure relief valve to be in a normally closed state.
  3. 3. The pressure relief structure of a water supply end of a shot blasting machine according to claim 2, wherein the valve body comprises a base body part and a cover body part, the top of the base body part is provided with a step, the cover body part is detachable and is arranged at the step in a sealing manner, the valve core further comprises a valve rod, the valve rod is arranged in the middle of the cover body part in a sliding sealing manner, and a compression nut is connected to the side wall of the outer end of the valve rod in a threaded manner.
  4. 4. The pressure relief structure of the water supply end of the shot blasting machine according to claim 3, wherein the valve rod is sleeved with a sealing gasket, the cover body part is provided with an exhaust hole, and the compression nut compresses the sealing gasket and plugs the exhaust hole when the pressure relief valve is in a closed state.
  5. 5. A pressure relief structure for a water supply end of a shot blasting machine according to claim 3, wherein the base portion has a water baffle with a vent hole at an inner wall thereof, and the valve stem penetrates the water baffle.
  6. 6. The pressure relief structure of the water supply end of the shot blasting machine according to claim 5, wherein the spring is sleeved on the valve rod, and two ends of the spring respectively lean against the bottom of the water baffle and the top of the cone head.
  7. 7. The pressure relief structure of the water supply end of the shot blasting machine according to claim 1, wherein the bottom of the pressure relief valve is provided with a threaded connection joint and is connected with the three-way joint through the threaded connection joint.
  8. 8. The pressure relief structure of the water supply end of the shot blasting machine according to claim 1, wherein a bearing for running fit of the shot blasting machine is arranged on the water inlet small shaft.
  9. 9. The pressure relief structure of the water supply end of the shot blasting machine according to claim 1, wherein the port at the top end of the three-way joint is connected with the pressure relief valve through a vertical pipe.

Description

Pressure relief structure of water supply end of shot blasting machine Technical Field The utility model relates to a pressure relief structure of a shot blasting machine, in particular to water supply of a shot blasting machine and a pressure release structure at the end. Background The shot blasting machine has the main function of throwing the shot to the surface of a workpiece at a high speed through a shot blasting machine so as to remove the impurities such as oxide scale, rust, welding slag and the like or to strengthen the surface. The wet shot blasting machine can reduce the shot blasting temperature and noise and improve the shot blasting effect through water injection in the process of rotating shot blasting. In the water supply process, air possibly mixed in water, wet dust removal relies on adsorption and capture of water on dust, gas enters to interfere with full contact of water mist and the dust, so that some dust cannot be effectively humidified and settled, dust removal effect is reduced, the gas enters into a shot blasting machine, the internal pressure of the shot blasting machine can be unstable, normal operation of the shot blasting machine is influenced, vibration and noise of the shot blasting machine can be even caused, the gas in a water pipe can form an air bag, the space of the water pipe is occupied, and the flow of the water is reduced, so that the gas mixed in the water is discharged from a structure to be designed at a water inlet end, and the influence on the shot blasting machine is avoided. Disclosure of utility model Based on the defect that the shot blasting process is influenced by gas mixed in water due to the fact that a pressure relief exhaust mechanism is not arranged at a water inlet end of a shot blasting machine in the prior art, the utility model provides a pressure relief structure at a water supply end of the shot blasting machine. The technical scheme adopted for solving the technical problems is as follows: pressure release structure of shot-blasting machine water supply end includes: A three-way joint; the water inlet pipe is connected with the first port of the three-way joint; The water inlet small shaft is connected with a second port of the three-way joint, and a water inlet channel is arranged in the water inlet small shaft; The pressure relief valve is connected with the third port of the three-way joint, wherein the first port and the third port are vertically opposite, and the opening pressure of the pressure relief valve is larger than the internal water pressure of the water three-way joint. Preferably, the pressure release valve comprises a valve body, a spring arranged in the valve body and a valve core arranged in the valve body in a sliding manner, wherein a conical cavity communicated with the outside is arranged in the valve body, a conical head used for sealing the bottom part of the conical cavity is arranged at the bottom of the valve core, and the spring applies elasticity to the valve core to enable the conical head to press the bottom of the conical cavity so that the pressure release valve is in a normally closed state. Preferably, the valve body comprises a base body part and a cover body part, the top of the base body part is provided with a step, the cover body part is detachable and is arranged at the step in a sealing manner, the valve core further comprises a valve rod, the valve rod is arranged in the middle of the cover body part in a sliding sealing manner, and the side wall of the outer end of the valve rod is connected with a compression nut in a threaded manner. Preferably, the valve rod is sleeved with a sealing gasket, the cover body part is provided with an exhaust hole, and the compression nut compresses the sealing gasket and seals the exhaust hole when the pressure release valve is in a closed state. Preferably, the inner wall of the base body part is provided with a water baffle plate with an exhaust hole, and the valve rod penetrates through the water baffle plate. Preferably, the spring is sleeved on the valve rod, and two ends of the spring respectively lean against the bottom of the water baffle and the top of the cone-shaped head. Preferably, the bottom of the pressure relief valve is provided with a threaded connection joint and is connected with the three-way joint through the threaded connection joint. Preferably, a bearing for the running fit of the shot blasting machine is arranged on the water inlet small shaft. Preferably, the top end port of the three-way joint is connected with the pressure release valve through a vertical pipe. Compared with the prior art, the utility model has the advantages that the tee joint is arranged at the water inlet end of the shot blasting machine, the bottom port and the side port of the tee joint are respectively connected with the water inlet pipe and the water inlet small shaft, the port at the top is connected with the pressure release valve, when gas is mixed in water