Particle impact testing machine

Abstract

The utility model provides a particle impact testing machine. The particle impact testing machine comprises a case, an air pump, an impact chamber and an air gun assembly, the air pump is mounted in the case; the impact chamber is mounted at the right part above the case; a position adjusting assembly and a profiling die are mounted in the impact chamber; the adjusting assembly is used for adjusting the position of the profiling mold, and the profiling mold is used for installing a test product; the air gun assembly comprises a particle impact tube, an end cover overturning assembly, an infrared emitter, a housing and a speed sensor; the particle impact tube is mounted at the left part of the case; the housing is fixed between the particle impact tube and the impact chamber; the speed sensor is mounted in the housing; the end cover overturning assembly comprises a pipe body clamping plate and an overturning plate; the tube body clamping plate is clamped and fixed on the outer side of the left end of the particle impact tube; the front end of the overturning plate is connected with the pipe body clamping plate through a rotating shaft; the rear end of the turnover plate is connected with a positioning plate; the positioning plate is positioned with the pipe body clamping plate through a round pin; air pipe holes are formed in the middle of the turnover plate; the air pipe holes are connected with an air pump through air pipes; according to the technical scheme of the utility model, the device is simple and convenient to operate, and is high in detection precision.

Description

TECHNICAL FIELD

[0001] The utility model relates to particle impact testing machine technical field. BACKGROUND

[0002] Particle impact testing machine is commonly used for detecting the impact resistance of goggles, and the previous particle impact testing machine needs to disassemble the end plate first, then load the particles, and then assemble the end plate after loading, which is inconvenient to operate, and the previous particle impact testing machine can only judge the impact speed according to the pressure of the supplied gas, so that the detection is not accurate enough, and therefore needs to be improved. UTILITARY MODEL CONTENTS

[0003] The utility model aims at providing.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A particle impact testing machine, including the machine case, air pump, impact chamber and air gun assembly, the air pump is installed in the machine case, the impact chamber is installed in the right part above the machine case, the position adjusting assembly and the profiled die are installed in the impact chamber, the position adjusting assembly is used for adjusting the front and back position, left and right position, height position and angle of the profiled die, the profiled die is used for installing test products, the air gun assembly includes particle impact pipe, end cover turnover assembly, infrared emitter, cover and speed inductor, the particle impact pipe is straight pipe and is installed horizontally in the left part above the machine case, the cover is fixed between the particle impact pipe and the impact chamber, the speed inductor is installed in the cover, the end cover turnover assembly includes pipe body clamping plate and turnover plate, the pipe body clamping plate is clamped and fixed on the outside of the left end of the particle impact pipe, the turnover plate is arranged on the left side of the pipe body clamping plate and is connected with the pipe body clamping plate through the pivot in the front end, the rear end of the turnover plate is connected with the positioning plate, the positioning plate is positioned with the pipe body clamping plate through the round pin, the air pipe hole is arranged in the middle part of the turnover plate and is connected with the air pipe, the air pipe is connected with the air pump, the infrared emitter is fixed on the left side of the end cover turnover assembly through the connecting plate, and the emission end of the infrared generator faces the inner hole of the particle impact pipe.

[0006] Further description of the utility model, the left side of the pipe body clamping plate is fixed with the limiting column, when the turnover plate is turned back to the horizontal state, the limiting column abuts against the rear lower part of the turnover plate.

[0007] Further description of the utility model, the top of the turnover plate is installed with the ball head handle.

[0008] Further description of the utility model, the left side of the turnover plate is provided with the annular groove corresponding to the outer periphery of the air pipe hole, and the sealing ring is installed in the annular groove.

[0009] The utility model has the advantages that:

[0010] The design is characterized in that: the product to be detected is installed on the imitation mold, the infrared emitter is used for aiming and positioning, the position adjusting assembly adjusts the position of the product, and then the particle impact test is prepared, the end cover turnover assembly is installed at the left end of the particle impact tube, the impact particles can be put into the particle impact tube only by turning open the turnover plate, after the impact particles are put in, the turnover plate is reset and inserted into the round pin for positioning, the particle impact test can be realized by controlling the air pump to work, during the impact test, the particles impact on the product after passing through the speed inductor, the speed inductor detects the impact speed of the particles, so that the impact resistance of the product can be better detected, the design is convenient for manual operation, the detection efficiency is improved, and the detection data is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is the overall structure diagram of the utility model;

[0012] Figure 2 is the local structure diagram of the utility model;

[0013] Figure 3 is the connection structure diagram of the end cover turnover assembly and the particle impact tube of the utility model;

[0014] Figure 4 is the open state diagram of the turnover plate of the utility model;

[0015] Figure 5 is the left view of the turnover plate of the utility model;

[0016] Figure 6 is the structure diagram of the speed inductor of the utility model. DETAILED DESCRIPTION

[0017] The utility model is further described below in combination with the drawings:

[0018] As Figures 1-6As shown, a particle impact testing machine comprises a cabinet 1, an air pump (not shown), an impact chamber 2 and an air gun assembly 3; the air pump is installed in the cabinet 1; the impact chamber 2 is installed on the right part of the cabinet 1; the position adjusting assembly 21 and the profiled die 22 are installed in the impact chamber 2; the position adjusting assembly 21 is used to adjust the front-back position, left-right position, height position and angle of the profiled die 22; the profiled die 22 is used to install the test product; the air gun assembly 3 comprises a particle impact tube 31, an end cover turnover assembly 32, an infrared emitter 33, a cover 34 and a speed sensor 35; the particle impact tube 31 is a straight tube and is installed horizontally on the left part of the cabinet 1; the cover 34 is fixed between the particle impact tube 31 and the impact chamber 2; the speed sensor 35 is installed in the cover 34; the end cover turnover assembly 32 comprises a tube clamping plate 321 and a turnover plate 322; the tube clamping plate 321 is clamped and fixed on the outer side of the left end of the particle impact tube 31; the turnover plate 322 is arranged on the left side of the tube clamping plate 321 and the front end is connected with the tube clamping plate 321 through a rotating shaft 3221; the rear end of the turnover plate 322 is connected with a positioning plate 3222; the positioning plate 3222 is positioned with the tube clamping plate 321 through a round pin 3223; the middle part of the turnover plate 322 is provided with an air tube hole 3223 which is connected with the inner hole 311 of the particle impact tube 31; the air tube hole 3223 is connected with the air pump through an air tube; the infrared emitter 33 is fixed on the left side of the end cover turnover assembly 32 through a connecting plate 331; the emitting end of the infrared generator faces the inner hole 311 of the particle impact tube 31; the profiled die 22 of the product detected by the design is a human head-shaped die which is used to install the protective goggles; the infrared emitter 33 is used for aiming and positioning after the test product is installed on the profiled die 22; the position adjusting assembly 21 adjusts the position of the product and prepares for the particle impact test; the end cover turnover assembly 32 is installed on the left end of the particle impact tube 31; the impact particles can be put into the particle impact tube 31 by turning over the turnover plate 322; after the impact particles are put in, the turnover plate 322 is reset and inserted into the round pin 3223 for positioning; the air pump can be controlled to work to realize the impact test of the particles; during the impact test, the particles pass through the speed sensor 35 and then impact on the product; the speed sensor 35 detects the impact speed of the particles, so that the impact resistance of the product can be better detected; the design is convenient for manual operation, improves the detection efficiency and the detection data is more accurate.

[0019] The left side of the tube clamping plate 321 is fixed with a limiting column 3224; when the turnover plate 322 is turned back to the horizontal state, the limiting column 3224 abuts against the rear lower part of the turnover plate 322; the turnover plate 322 is limited by the limiting column 3224 after being put down by hand, and then is positioned by inserting the round pin 3223; the operation is more convenient.

[0020] The ball head handle 3225 is arranged on the top of the turnover plate 322, so as to facilitate manual control of the position of the turnover plate 322.

[0021] An annular groove 3226 is arranged on the left side of the turnover plate 322 and corresponds to the outer periphery of the tracheal hole 3223; a sealing ring 3227 is arranged in the annular groove 3226, so as to improve the air tightness.

[0022] The above description is not intended to limit the technical scope of the present application, and any modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments still belong to the technical scope of the present application.

Claims

1. A particle impact testing machine, comprising a chassis, an air pump, an impact chamber, and an air gun assembly; the air pump is installed inside the chassis; the impact chamber is installed on the upper right side of the chassis; a position adjustment assembly and a copying mold are installed inside the impact chamber; the position adjustment assembly is used to adjust the front-back position, left-right position, height position, and angle of the copying mold; the copying mold is used to mount the test product; characterized in that: The air gun assembly includes a particle impact tube, an end cap flipping assembly, an infrared emitter, a housing, and a velocity sensor. The particle impact tube is a straight tube and is horizontally mounted on the left side of the upper part of the casing. The housing is fixed between the particle impact tube and the impact chamber. The velocity sensor is installed inside the housing. The end cap flipping assembly includes a tube clamping plate and a flipping plate. The tube clamping plate is clamped and fixed to the outside of the left end of the particle impact tube. The flipping plate is located on the left side of the tube clamping plate and its front end is connected to the tube clamping plate via a rotating shaft. A positioning plate is connected to the rear end of the flipping plate. The positioning plate is positioned with the tube clamping plate via a round pin. The flipping plate has an air pipe hole in the middle that aligns with the inner hole of the particle impact tube. The air pipe hole is connected to an air pump via an air pipe. The infrared emitter is fixed to the left side of the end cap flipping assembly via a connecting plate. The emitting end of the infrared emitter faces the inner hole of the particle impact tube.

2. The particle impact testing machine according to claim 1, characterized in that: A limiting post is fixed on the left side of the tube clamp; when the flip plate is flipped backward to a horizontal state, the limiting post abuts against the lower rear part of the flip plate.

3. The particle impact testing machine according to claim 1, characterized in that: The top of the flip plate is equipped with a ball-head handle.

4. The particle impact testing machine according to claim 1, characterized in that: The left side of the flip plate is provided with an annular groove corresponding to the outer periphery of the air pipe hole; a sealing ring is installed in the annular groove.

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