An air injector

Abstract

The present invention discloses an air injector, comprising an injector body, which is in the shape of a rectangular column, wherein a plurality of air through holes which longitudinally penetrate the injector body are arranged at equal intervals in the middle part of the injector body along the length direction of the injector body, one end of the air through hole is an air inlet end of compressed air, and the other end of the air through hole is an injection outlet, and a plurality of first sand-water through holes which are connected to the air through hole are arranged at equal intervals in the side part of the injector body along the length direction of the injector body, and the outer end port of the first sand-water through hole is an inlet for sand and water; when in use, the compressed air input into the air through hole forms a negative pressure in the air through hole, and the negative pressure sucks the sand-water mixture in the first sand-water through hole into the air through hole and injects it out from the injection outlet of the air through hole.

Description

Technical Field

[0001] The invention relates to the field of glass production, and in particular to an air injector. Background Art

[0002] Now with the improvement of the quality of life, people's aesthetic concepts are gradually improved, and frosted glass has gradually become a popular trend. It mainly makes the glass have a matte diffuse reflective surface, reduces the reflectivity of the glass, and has significant characteristics such as beautiful appearance and privacy protection. In the prior art, roller or disc polishing wheels or polishing shafts are mainly used to grind and polish the surface of the glass. The main problems of the above methods are: low efficiency, large cutting and grinding amount, long equipment (from tens of meters to hundreds of meters), slow production speed, and complicated process, which cannot meet people's use needs. Summary of the invention

[0003] The object of the present invention is to provide an air injector with simple structure and convenient use in view of the above problems.

[0004] In order to achieve the above object, the technical solution of the present invention is:

[0005] An air injector comprises an injector body, characterized in that: the injector body is in the shape of a rectangular column, a plurality of air through holes which longitudinally penetrate the injector body are arranged at equal intervals in the middle part of the injector body along the length direction of the injector body, one end of the air through hole is the air inlet end of compressed air, and the other end of the air through hole is the injection outlet, a plurality of first sand and water through holes which are connected to the air through hole are arranged at equal intervals in the side of the injector body along the length direction of the injector body, and the outer end port of the first sand and water through hole is the inlet of sand and water; when in use, the compressed air input into the air through hole forms a negative pressure in the air through hole, and the negative pressure sucks the sand and water mixture in the first sand and water through hole into the air through hole and sprays it out from the injection outlet of the air through hole.

[0006] Furthermore, a steel core piece is arranged in the injector body, there are two steel core pieces and the two steel core pieces are symmetrically arranged, the length direction of the steel core piece is consistent with the length direction of the injector body, the cross-section of the steel core piece is an inverted L-shape, the two steel core piece openings are arranged opposite to each other, the upper end surface of the steel core piece is flush with the top of the injector body, and a plurality of second sand and water through holes are arranged at equal intervals on the side of the steel core piece along the length direction of the steel core piece, and the second sand and water through holes are arranged corresponding to the first sand and water through holes.

[0007] Furthermore, the injector body is made of polyurethane rubber.

[0008] Furthermore, anti-skid protrusions are integrally formed on both side surfaces of the injector body, and the anti-skid protrusions are arranged on the side surfaces of the injector body in a rectangular frame shape.

[0009] Furthermore, a mounting groove for embedding the nozzle is provided at the bottom end of the injector body, the mounting groove penetrates the injector body along the length direction of the injector body, and the mounting groove is connected with the bottom end of the air through hole.

[0010] Furthermore, the inner diameters of the first sand and water through hole are consistent with those of the second sand and water through hole, and the axes of the first sand and water through hole and the second sand and water through hole coincide with each other.

[0011] Furthermore, the first sand and water through hole is arranged on the right side of the injector body, and the second sand and water through hole is arranged on the steel core member located on the right side.

[0012] Furthermore, the axes of the first sand and water through hole and the second sand and water through hole are perpendicular to the axis of the air through hole.

[0013] Compared with the prior art, the present invention has the following advantages and positive effects:

[0014] The present invention can effectively enhance the structural strength of the injector body by adopting a design of arranging a steel core piece inside the injector body, avoid the injector body being easily bent and deformed due to its long length, and ensure the service life of the injector body; and by arranging an air through hole that penetrates the injector body longitudinally on the injector body, arranging a first sand and water through hole connected to the air through hole on the side of the injector body, and arranging a second sand and water through hole corresponding to the first sand and water through hole on the side of the steel core piece, so that when it is in use, the top of the air through hole is connected to the compressed air pipeline, and the first sand and water through hole is connected to the second sand and water through hole. The outer end port of a sand-water through hole is connected with a sand-water pipeline. When compressed air passes through the air through hole, negative pressure is formed in the first sand-water through hole, so that the sand-water mixture flows from the first sand-water through hole into the air through hole, and passes out from the bottom of the air through hole together with the compressed air. After the high-pressure sand-water mixture hits the glass surface, it will cause a certain degree of roughness on the glass surface, thereby forming a frosted effect on the glass surface. The operation is simple, convenient and fast, the production cost is low, and the processing speed is fast. It meets people's operational needs for glass surface processing and brings convenience to the glass production work of glass production enterprises. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2 for Figure 1 A partial enlarged view of

[0018] Figure 3 It is a cross-sectional structural diagram of the present invention. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work, any modifications, equivalent substitutions, improvements, etc., should be included in the protection scope of the present invention.

[0020] Embodiment 1, as Figure 1 , Figure 2 and Figure 3 As shown, the air injector in this embodiment includes an injector body 1, which is in the shape of a rectangular column. A plurality of air through holes 101 are arranged at equal intervals in the middle of the injector body 1 along the length direction of the injector body 1 and longitudinally penetrate the injector body 1. One end of the air through hole 101 is a compressed air inlet end, which is connected to a compressed air pipeline, which is connected to an air compressor, and a plurality of air through holes 101 are arranged at equal intervals on the side of the injector body 1 along the length direction of the injector body 1. The first sand-water through hole 102, the outer end port of the first sand-water through hole 102 is the sand-water inlet, the sand-water inlet is connected to the sand-water conveying pipeline, the sand-water conveying pipeline is connected to the sand-water mixing device, the sand-water mixing device mixes sand and water in proportion and conveys them to the first sand-water through hole through the sand-water conveying pipeline; when in use, the compressed air input into the air through hole 101 forms a negative pressure in the air through hole, and the negative pressure sucks the sand-water mixture in the first sand-water through hole 102 into the air through hole 101 and sprays it out from one end of the air through hole 101 away from the compressed air pipeline.

[0021] Embodiment 2, as Figure 1 , Figure 2 and Figure 3 As shown, the air injector in this embodiment includes an injector body 1, which is in a rectangular column shape and is made of polyurethane rubber; a steel core 2 is arranged in the injector body 1;

[0022] There are two steel core pieces 2 and the two steel core pieces 2 are symmetrically arranged. The length direction of the steel core piece 2 is consistent with the length direction of the injector body 1. The cross section of the steel core piece 2 is an inverted L-shape. The openings of the two steel core pieces 2 are arranged opposite to each other, and the upper end surface of the steel core piece 2 is flush with the top of the injector body 1.

[0023] A plurality of air through holes 101 are arranged at equal intervals in the middle of the ejector body 1 along the length direction of the ejector body 1, and the air through holes 101 are longitudinally penetrated through the ejector body 1. One end of the air through hole 101 is a compressed air inlet end, and the compressed air inlet end is connected to the air compressor through a compressed air pipeline. A plurality of first sand and water through holes 102 connected to the air through holes 101 are arranged at equal intervals in the side of the ejector body 1 along the length direction of the ejector body 1. The outer end of the first sand and water through hole 102 is a sand and water inlet, and the sand and water inlet is connected to the sand and water conveying pipeline, and the sand and water conveying pipeline is connected to the sand and water mixing device, and the sand and water mixing device mixes sand and water in proportion and passes through The sand and water are transported to the first sand and water through hole through the pipeline; a plurality of second sand and water through holes 201 are arranged at equal intervals on the side of the steel core member 2 along the length direction of the steel core member 2, and the second sand and water through holes 201 are arranged corresponding to the first sand and water through hole 102; the inner diameter of the first sand and water through hole 102 is consistent with that of the second sand and water through hole 201, and the axes of the first sand and water through hole 102 and the second sand and water through hole 201 coincide with each other; the first sand and water through hole 102 is arranged on the right side of the injector body 1, and the second sand and water through hole 201 is arranged on the steel core member 2 on the right side; the axes of the first sand and water through hole 102 and the second sand and water through hole 201 are both perpendicular to the axis of the air through hole 101. When in use, the compressed air input into the air hole 101 creates a negative pressure in the air hole, which draws the sand-water mixture in the first sand-water hole 102 into the air hole 101 through the second sand-water hole 201 and sprays it out from the end of the air hole 101 away from the compressed air pipe.

[0024] The two sides of the injector body 1 are integrally formed with anti-skid protrusions 103, which are arranged in a rectangular frame shape on the side of the injector body 1. The design of the anti-skid protrusions can increase the side friction force of the injector body during installation, facilitating the installation and fixing of the injector body.

[0025] The bottom end of the injector body 1 is provided with a mounting groove 104 for embedding the nozzle, the mounting groove 104 penetrates the injector body 1 along the length direction of the injector body 1, and the mounting groove 104 is connected with the bottom end of the air through hole 101. The mounting groove is used to install the nozzle, the nozzle is provided with a nozzle hole, and the top end of the nozzle hole is connected with the bottom ends of several air through holes, and the bottom end of the nozzle hole is sandblasted. The mounting groove makes the nozzle installation structure more stable, further improving the use effect of the present invention.

[0026] The present invention adopts a design of arranging a steel core piece inside the injector body, which can effectively enhance the structural strength of the injector body, avoid the injector body being easily bent and deformed due to its long length, and ensure the service life of the injector body;

[0027] In addition, the present invention provides an air through hole which longitudinally penetrates the injector body on the injector body, a first sand and water through hole connected to the air through hole is provided on the side of the injector body, and a second sand and water through hole corresponding to the first sand and water through hole is provided on the side of the steel core member. In this way, when in use, the top of the air through hole is connected to the compressed air pipeline, and the outer end port of the first sand and water through hole is connected to the sand and water pipeline. When the compressed air passes through the air through hole, a negative pressure is formed in the first sand and water through hole, so that the sand and water mixture flows from the first sand and water through hole into the air through hole and passes out from the bottom of the air through hole together with the compressed air. After the high-pressure sand and water mixture hits the glass surface, a certain degree of roughness is generated on the glass surface, thereby forming a frosted effect on the glass surface. The operation is simple, convenient and fast, the production cost is low, and the processing speed is fast. It meets people's operational requirements for glass surface processing and brings convenience to the glass production work of glass production enterprises.

Claims

1. An air ejector, comprising an ejector body, characterized in that: The injector body is in the shape of a rectangular column, and a plurality of air through holes longitudinally penetrating the injector body are arranged at equal intervals in the middle part of the injector body along the length direction of the injector body, one end of the air through hole is the air inlet end of the compressed air, and the other end of the air through hole is the injection outlet, and a plurality of first sand and water through holes connected to the air through holes are arranged at equal intervals on the side of the injector body along the length direction of the injector body, and the outer end port of the first sand and water through hole is the inlet of sand and water; a steel core piece is arranged in the injector body, there are two steel core pieces and the two steel core pieces are arranged symmetrically, the length direction of the steel core piece is consistent with the length direction of the injector body, the cross-section of the steel core piece is an inverted L-shape, the openings of the two steel core pieces are arranged opposite to each other, the upper end surface of the steel core piece is flush with the top end of the injector body, and a plurality of second sand and water through holes are arranged at equal intervals on the side of the steel core piece along the length direction of the steel core piece, and the second sand and water through holes are arranged corresponding to the first sand and water through holes.

2. The air injector according to claim 1, characterized in that: The injector body is made of polyurethane rubber.

3. The air injector according to claim 2, characterized in that: Anti-skid protrusions are integrally formed on both sides of the injector body, and the anti-skid protrusions are arranged on the sides of the injector body in a rectangular frame shape.

4. The air injector according to claim 3, characterized in that: The bottom end of the injector body is provided with a mounting groove for embedding the nozzle, the mounting groove penetrates the injector body along the length direction of the injector body, and the mounting groove is connected with the bottom end of the air through hole.

5. The air injector according to claim 4, characterized in that: The inner diameters of the first sand and water through hole are consistent with those of the second sand and water through hole, and the axes of the first sand and water through hole and the second sand and water through hole coincide with each other.

6. The air injector according to claim 5, characterized in that: The first sand and water through hole is arranged on the right side of the ejector body, and the second sand and water through hole is arranged on the steel core member located on the right side.

7. The air injector according to claim 6, characterized in that: The axes of the first sand and water through hole and the second sand and water through hole are both perpendicular to the axis of the air through hole.

Images