CN111390775A - Sand blasting spray gun and sand blasting rust removal system - Google Patents
Sand blasting spray gun and sand blasting rust removal system Download PDFInfo
- Publication number
- CN111390775A CN111390775A CN201910001244.4A CN201910001244A CN111390775A CN 111390775 A CN111390775 A CN 111390775A CN 201910001244 A CN201910001244 A CN 201910001244A CN 111390775 A CN111390775 A CN 111390775A
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- Prior art keywords
- gun body
- gun
- connecting piece
- body connecting
- blasting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
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- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a sand blasting spray gun and a sand blasting rust removal system, and relates to the field of mechanical design. The blasting gun may include: a plurality of nozzles (01), a plurality of gun body connectors (02) corresponding to the nozzles (01) one by one, and a gun body (03). Each nozzle (01) can be connected with the gun body (03) through a corresponding gun body connecting piece (02), and at least one gun body connecting piece (02) is rotatably connected with the gun body (03). Because this sandblast spray gun is provided with a plurality of rifle body connecting pieces (02), and there is at least one target rifle body connecting piece (02) and this rifle body (03) to rotate and be connected, the sand material of these a plurality of nozzles (01) spun can be jetted out through the opening of this rifle body connecting piece (02) from this rifle body (03) other end, consequently, the spray area of this sandblast spray gun has effectively been increased, and can adjust this spray area through rotating this target rifle body connecting piece (02), the rust cleaning efficiency and the flexibility of use of this sandblast spray gun have been improved.
Description
Technical Field
The invention relates to the field of mechanical design, in particular to a sand blasting spray gun and a sand blasting rust removal system.
Background
The pipeline can generate a rusting phenomenon in the long-term use process, and the normal use of the pipeline can be influenced if the pipeline is not processed. Therefore, a spray gun is generally used to remove rust from pipes.
The spray gun of the related art is generally a monomer spray gun provided with a spray nozzle. The maximum effective rust removal width of the monoblock spray gun is generally 60 millimeters (mm).
However, the spray gun has smaller maximum effective derusting width and lower derusting efficiency.
Disclosure of Invention
The embodiment of the invention provides a sand blasting spray gun and a sand blasting rust removal system, which can solve the problem of low rust removal efficiency of a single spray gun in the related technology. The technical scheme is as follows:
in one aspect, a blasting gun is provided, the blasting gun comprising: the gun body connecting piece comprises a plurality of nozzles, a plurality of gun body connecting pieces and gun bodies, wherein the plurality of nozzles correspond to the plurality of nozzles one to one;
each nozzle, each gun body connecting piece and the gun body are of hollow structures, and at least one target gun body connecting piece is rotatably connected with the gun body in the gun body connecting pieces;
one end of each gun body connecting piece is connected with one end of the corresponding nozzle, the other end of each gun body connecting piece is connected with one end of the gun body, and each gun body connecting piece is used for communicating the corresponding nozzle with the gun body;
the other end of each nozzle is used for being connected with a sand storage tank, and the other end of the gun body is provided with an opening;
the orthographic projection of the other end of each gun body connecting piece on the plane where the end face of the other end of the gun body is located in the orthographic projection of the inner wall of the gun body on the plane.
Optionally, the blasting gun further comprises: the protective sleeves correspond to the nozzles one by one, correspond to the gun body connecting pieces one by one, and are of hollow structures;
each protective sleeve is arranged in one corresponding gun body connecting piece, the end face of one end of each protective sleeve is in contact with the end face of one end of one corresponding nozzle, and the other end of each protective sleeve is located in the gun body.
Optionally, the inner diameter of the other end of the sheath is larger than the inner diameter of one end of the sheath.
Optionally, each nozzle is detachably connected with a corresponding gun body connecting piece;
each sheath is detachably connected with one corresponding gun body connecting piece.
Optionally, the plurality of gun body connectors are arranged along a first direction; the sandblast spray gun further comprises: a plurality of support bolts; the gun body is provided with a plurality of supporting threaded holes;
each target gun body connecting piece is rotatably connected with the gun body through a connecting shaft, and the axis direction of the connecting shaft is perpendicular to the first direction;
each support bolt is arranged in one support threaded hole and is in contact with one target gun body connecting piece, and each target gun body connecting piece is in contact with at least two support bolts with intersecting axes.
Optionally, the plurality of gun body connectors are arranged along a first direction; the sandblast spray gun further comprises: at least one adjusting bolt;
each target gun body connecting piece is rotatably connected with the gun body through a connecting shaft, the axis direction of the connecting shaft is perpendicular to the first direction, a plurality of adjusting threaded holes are formed in each target gun body connecting piece, and the arrangement direction of the plurality of adjusting threaded holes is not parallel to the axis of each target gun body connecting piece;
the side wall of the gun body is provided with at least one fixing threaded hole corresponding to the at least one target gun body connecting piece one to one, each fixing threaded hole is aligned with one adjusting threaded hole in the corresponding target gun body connecting piece, and one adjusting bolt is arranged in the aligned threaded hole.
Optionally, the blasting gun comprises: the device comprises two nozzles and two gun body connecting pieces, wherein one gun body connecting piece is the target gun body connecting piece; the gun body is a hollow cube, and the length direction of the gun body is parallel to the first direction;
at least one supporting threaded hole is formed in each of the first side wall and the second side wall of the four side walls of the gun body;
the first side wall and the second side wall are two adjacent side walls in the four side walls, the wall surface of the first side wall is parallel to the first direction, the wall surface of the second side wall is perpendicular to the first direction, and the target gun body connecting piece is close to the second side wall relative to the other gun body connecting piece.
Optionally, the blasting gun further comprises: at least one sealing element in one-to-one correspondence with the at least one target gun body connector;
each sealing element is respectively connected with the gun body and one corresponding target gun body connecting piece, and each sealing element is used for sealing the gun body.
Optionally, the blasting gun further comprises: a brush and a recovery pipe;
one end of the brush is connected with the other end of the gun body, the brush surrounds the opening, and the end face of the other end of the brush is a cambered surface protruding in the direction close to the gun body;
one end of the recovery pipe is connected with the side wall of the gun body and is communicated with the gun body, and the other end of the recovery pipe is used for connecting a sand recovery pipeline.
In another aspect, a blast rust removal system is provided, the system comprising: a sand storage tank and a sand blasting gun as described in the above aspect;
the sand storage tank is connected with each nozzle of the sand blasting spray gun.
The technical scheme provided by the invention has the beneficial effects that at least:
the invention provides a sand blasting spray gun and a sand blasting rust removal system, wherein the sand blasting spray gun can comprise: the gun body comprises a plurality of nozzles, a plurality of gun body connecting pieces which are in one-to-one correspondence with the nozzles, and a gun body. Each nozzle is connected with the gun body through a corresponding gun body connecting piece, and sand can be ejected from the other end of the gun body. Because this sandblast spray gun is provided with a plurality of rifle body connecting pieces to there is at least one target rifle body connecting piece to rotate with this rifle body to be connected, and a plurality of nozzles spun sand can be jetted out from the opening of the rifle body other end through this rifle body connecting piece, consequently has effectively increased this sandblast spray gun's injection area, and can adjust this injection area through rotating target rifle body connecting piece, thereby improved this sandblast spray gun's rust cleaning efficiency and use flexibility.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a cross-sectional view of a blasting gun according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a blasting gun according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of another blasting gun provided in accordance with an embodiment of the invention;
fig. 4 is a schematic structural diagram of a target gun body connector according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of another blasting gun according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a sand blasting rust removal system provided by an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The embodiment of the invention provides a sand blasting spray gun which can be used for removing rust on a workpiece to be subjected to rust removal. Referring to fig. 1, the blasting gun may include: a plurality of nozzles 01, a plurality of gun body connectors 02 corresponding to the plurality of nozzles 01 one to one, and a gun body 03. Each nozzle 01, each gun body connecting piece 02 and the gun body 03 can be of a hollow structure, and in the plurality of gun body connecting pieces 02, at least one target gun body connecting piece 02 is rotatably connected with the gun body 03, and the rest gun body connecting pieces 02 can be fixedly connected with the gun body 03. Since the objective gun body connector 02 can be rotated, the spray area of the blasting gun can be adjusted by adjusting the rotation angle of the objective gun body 02.
Alternatively, the remaining gun body connector 02 and the gun body 03 may be formed as a single piece or may be welded together. By way of example, two nozzles 01 and correspondingly two gun body connectors 02 are shown in fig. 1. Wherein, a rifle body connecting piece 02 is target rifle body connecting piece 02. The inner diameter of each nozzle 01 may be 0.7mm, and a longitudinal section of the inner cavity of the nozzle 01, which is a section parallel to the axis of the nozzle 01, may be funnel-shaped.
As shown in fig. 1, one end of each gun body connector 02 is connected to one end of a corresponding one of the nozzles 01, the other end of each gun body connector 02 is connected to one end of the gun body 03, and each gun body connector 02 is used to communicate a corresponding one of the nozzles 01 with the gun body 03. The other end of each nozzle 01 is used for connecting a sand storage tank, the other end of the gun body 03 is provided with an opening, and the opening is a sand blasting opening, namely, sand ejected from the nozzle 01 can be ejected from the opening at the other end of the gun body 03 through the gun body connecting piece 02.
The orthographic projection of the other end of each gun body connecting piece 02 on the plane where the end face of the other end of the gun body 03 is located in the orthographic projection of the inner wall of the gun body 03 on the plane. That is, the cavity inside the gun body 03 is large, and the size of the opening is also large, so that the sand ejected by the plurality of nozzles 01 can be effectively accommodated and ejected.
In summary, embodiments of the present invention provide a sand blasting gun, which may include: the gun body comprises a plurality of nozzles, a plurality of gun body connecting pieces which are in one-to-one correspondence with the nozzles, and a gun body. Each nozzle is connected with the gun body through a corresponding gun body connecting piece, and sand can be ejected from the other end of the gun body. Because this sandblast spray gun is provided with a plurality of rifle body connecting pieces to there is at least one target rifle body connecting piece to rotate with this rifle body to be connected, and a plurality of nozzles spun sand can be jetted out from the opening of the rifle body other end through this rifle body connecting piece, consequently has effectively increased this sandblast spray gun's injection area, and can adjust this injection area through rotating target rifle body connecting piece, thereby improved this sandblast spray gun's rust cleaning efficiency and use flexibility.
In the embodiment of the present invention, the gun body 03 may be provided with a plurality of connecting holes, and each gun body connecting member 02 may be communicated with a corresponding connecting hole. And the centre of a circle of these a plurality of connecting holes can the collineation, and is corresponding, and the axis of these a plurality of rifle body connecting piece 02 can the coplane, also is that these a plurality of rifle body connecting piece 02 can arrange (for example can arrange along first direction equidistant) along a straight line to increase this sandblast spray gun's spray width. Alternatively, the plurality of gun body connectors 02 may be arranged at equal intervals.
Referring to fig. 1, the length of each target gun body connector 02 may be greater than the lengths of the other gun body connectors 02, and the diameter of the connection hole corresponding to the target gun body connector 02 may be greater than the outer diameter of the target gun body connector 02, so as to ensure that the target gun body connector 02 can rotate in the connection hole.
In the embodiment of the present invention, one end of each nozzle 01 may be located in a corresponding one of the gun body connectors 02, and detachably connected to the corresponding gun body connector 02, so that the nozzle 01 may be conveniently replaced during the use of the blasting gun.
As an alternative implementation manner, one end of each nozzle 01 may be provided with a plurality of first coupling screw holes, and one end of each gun body coupler 02 may be provided with a plurality of second coupling screw holes corresponding to the plurality of first coupling screw holes one to one. When one end of the nozzle 01 is coupled to one end of a corresponding one of the gun body couplers 02, each of the first coupling screw holes of one end of the nozzle 01 may be aligned with a corresponding one of the second coupling screw holes of the gun body coupler 02. Referring to fig. 2, a first bolt 041 may be disposed within the aligned pair of threaded holes to couple each nozzle 01 to a corresponding gun body coupler 02.
Optionally, the plurality of first connection threaded holes provided on each nozzle 01 may be arranged in at least one of the following arrangement modes: arranged along the circumferential direction of the nozzle 01 and arranged along the axial direction of the nozzle 01. For example, in the structure shown in fig. 2, each nozzle 01 is provided with two first coupling screw holes arranged along the axis of the nozzle 01.
As another alternative implementation, the outer wall of one end of each nozzle 01 may be provided with threads, the inner wall of one end of each gun body connector 02 may be provided with threads, and each nozzle 01 may be threadedly coupled with a corresponding one of the gun body connectors 02.
Fig. 3 is a cross-sectional view of another blasting gun according to an embodiment of the present invention. Referring to fig. 3, the blasting gun may further include: a plurality of sheaths 05 corresponding to the plurality of nozzles 01 one to one, and the plurality of sheaths 05 further corresponding to the plurality of gun body connectors 02 one to one. Each sheath 05 may be disposed in a corresponding one of the gun body connectors 02 with an end surface of one end of each sheath 05 being in contact with an end surface of one end of a corresponding one of the nozzles 01 and the other end of each sheath 05 being located in the gun body 03. Each jacket 05 has a hollow structure, and each nozzle 01 can be communicated with the gun body 03, so that sand ejected from the nozzle 01 can be ejected from the other end of the gun body 03 through the jacket 05. Alternatively, the sheath 05 may be made of a metallic material, such as steel.
In the embodiment of the invention, the protective sleeve 05 is arranged, so that the protective sleeve 05 can protect the gun body connecting piece 02, the gun body connecting piece 02 is prevented from being greatly abraded by sand sprayed from the nozzle 01, and the service life of the sand blasting spray gun is effectively prolonged.
Alternatively, the inner diameter of the other end of the sheath 05 may be larger than the inner diameter of one end of the sheath 05. That is, the inner diameter at the outlet of the sheath 05 is large. Therefore, after the sand material sprayed from the nozzle 01 passes through the sheath 05, the gap between sand grains in the sand material can be enlarged, so that the spraying area of the sand blasting spray gun can be increased, and the efficiency of the sand blasting spray gun can be improved.
Since the sheaths 05 are easily worn, in the embodiment of the present invention, each sheath 05 can be detachably connected to the corresponding gun body connector 02, so that the sheaths 05 can be easily replaced during the use of the blasting gun.
In an alternative implementation manner, one end of each sheath 05 may be provided with a plurality of third connection threaded holes, and a plurality of fourth connection threaded holes corresponding to the plurality of third connection threaded holes one to one may be provided at a portion where each gun body connector 02 contacts a corresponding one of the sheaths 05. When each sheath 05 is connected with a corresponding gun body connector 02, each fourth connecting threaded hole on the sheath 05 is aligned with a corresponding third connecting threaded hole on the gun body connector 02. As shown in fig. 2, a second jack wire 042 may be disposed in the aligned pair of threaded holes to connect each sheath 05 with a corresponding one of the gun body connectors 02.
Wherein, a plurality of third connecting thread holes that set up on every sheath 05 can arrange according to following at least one kind of mode of arranging: arranged along the circumferential direction of the jacket 05 and arranged along the axial direction of the jacket 05.
In another alternative implementation, the outer wall of one end of each sheath 05 may be provided with threads, the inner wall of each gun body connector 02 may be provided with threads, and each sheath 05 may be threadedly connected with a corresponding one of the gun body connectors 02.
In an embodiment of the present invention, a plurality of gun body attachments 02 may be arranged in a first direction. The other end of each target gun body connecting piece 02 can be arranged in a corresponding connecting hole on the gun body 03 and can be rotatably connected with the gun body 03 through a connecting shaft 06, and the axial direction of the connecting shaft 06 is perpendicular to the first direction.
Optionally, the other end of each target gun body connector 02 may be symmetrically provided with two through holes, and the two through holes are coaxial. The side wall of the gun body 03 can also be provided with two through holes corresponding to the two through holes one to one. The other end of the target gun body connector 02 can be rotatably connected to the gun body 03 by two connecting shafts 06.
In an alternative embodiment, the diameter of the through-hole in the side wall of the gun body 03 is equal to the diameter of the through-hole in each target gun body connector 02. When each target gun body connector 02 is connected with the gun body 03, two through holes on each target gun body connector 02 can be respectively aligned with corresponding through holes on the gun body 03, and each connecting shaft 06 can be arranged in a pair of aligned through holes, so that the gun body 03 and each target gun body connector 02 are rotatably connected.
In another alternative implementation, the diameter of the through hole on the side wall of the gun body 03 is smaller than that of the through hole on each target gun body connector 02, and the through hole on the side wall of the gun body 03 is a threaded hole. Accordingly, each connecting shaft 06 may be a screw. When each target gun body connecting piece 02 is connected with the gun body 03, two through holes on each target gun body connecting piece 02 can be respectively aligned with corresponding threaded holes on the gun body 03, each screw rod can be arranged in a pair of aligned holes and is in threaded connection with the threaded holes on the side wall of the gun body 03, and the target gun body connecting piece 02 can be rotationally connected with the gun body 03 through the screw rods.
In the embodiment of the present invention, after the target gun body connector 02 is rotatably connected to the gun body 03, the rotation angle of each target gun body connector 02 can be adjusted in different ways, so that the spray area of the sand blasting gun can be adjusted.
As an alternative implementation, referring to fig. 2 and 3, the blasting gun may include a plurality of supporting bolts 07, the gun body 03 may be provided with a plurality of supporting threaded holes (not shown in fig. 2 and 3), each supporting bolt 07 may be disposed in one supporting threaded hole and contact one target gun body connector 02, and the adjustment of the spraying area of the blasting gun may be achieved by adjusting a contact portion of each supporting bolt 07 and the target gun body connector 02. Moreover, each target gun body connecting piece 02 is at least contacted with two bolts 07 with intersecting axes, so that after each target gun body connecting piece 02 rotates relative to the gun body 03 by taking the connecting shaft 06 as an axis, the target gun body connecting piece 02 is supported from different directions, and the stability of the target gun body connecting piece 02 after rotation is ensured. As an example, each target gun body coupler 02 may be in contact with two support bolts 07 having mutually perpendicular axes.
As another alternative implementation, the blasting gun may include at least one adjusting bolt 08, and referring to fig. 4, the other end of each target gun body connector 02 may be provided with a plurality of adjusting threaded holes 09, and the plurality of adjusting threaded holes 09 are not parallel to the axis of the target gun body connector 02. Illustratively, the plurality of adjustment threaded holes 09 may be collinear.
The side wall of the gun body 03 may be provided with at least one fixing threaded hole corresponding to the at least one target gun body connector 02 one to one. Each fixing threaded hole may be aligned with a corresponding one of the adjustment threaded holes 09 of one of the target gun body connectors 02, and an adjustment bolt 08 may be disposed in the aligned threaded hole to fix the target gun body connector 02 to the gun body 03. By aligning the fixing threaded hole with the different adjusting threaded holes 09, the adjustment of the rotation angle of the target gun body connector 02 can be achieved.
As a further alternative implementation, the side wall of the gun body 03 may be provided with a plurality of adjusting threaded holes, and the other end of the target gun body connector 02 may be provided with a fixing threaded hole. After rotating the target gun body coupler 02, an adjusting threaded hole may be aligned with the fixing threaded hole, and an adjusting bolt 08 or a jack screw may be provided in the aligned pair of threaded holes, thereby fixing the target gun body coupler 02 to the gun body 03. The adjustment of the rotation angle of the target gun body connecting piece 02 can be realized by aligning different adjusting threaded holes with the fixing threaded holes.
Alternatively, as shown in fig. 2, the blasting gun may include: two nozzles 01 and two gun body connectors 02. the two gun body connectors 02 may include a target gun body connector 02. The gun body 03 can be a hollow cube, and the length direction of the gun body 03 is parallel to the first direction, that is, the length direction of the gun body 03 is parallel to the arrangement direction of the two gun body connectors 02. In addition, of the two gun body connectors 02, the target gun body connector 02 may be rotatably connected to the gun body 03 through a connecting shaft 06, and the other gun body connector 02 is fixedly connected (e.g., welded) to the gun body 03.
Fig. 5 is a schematic structural view of another blasting gun according to an embodiment of the present invention. Referring to fig. 5, the blasting gun may further include: 2 support bolts 07. After the target gun body connector 02 is rotated, each supporting bolt 07 can be screwed into the corresponding supporting threaded hole and contacted with the target gun body connector 02, so that the target gun body connector 02 is supported, and the included angle between the axis of the target gun body connector 02 and the axis of the adjacent gun body connector 02 is fixed, so that the stability of the target gun body connector is ensured.
Referring to fig. 2 and 3, a supporting threaded hole may be formed in each of the first side wall 031 and the second side wall 032 of the gun body 03, and each supporting bolt 07 may be disposed in one supporting threaded hole and contact the target gun body connector 02. The 2 supporting bolts 07 can support the target gun body connector 02 after the target gun body connector 02 rotates relative to the gun body 03, so that the spraying area of the sand blasting spray gun can be adjusted. The second sidewall 032 is connected to the first sidewall 031, the wall of the first sidewall 031 is parallel to the first direction, the wall of the second sidewall 032 is perpendicular to the first direction, and the target gun connector 02 is close to the second sidewall 032 relative to the other gun connector 02.
In the embodiment of the present invention, the target gun body coupler 02 may be rotated in a direction approaching or separating from the adjacent gun body coupler 02, and the angle between the axis of the target gun body coupler 02 and the axis of the adjacent gun body coupler 02 may range from 0 ° (degree) to 20 °.
By adjusting the rotation angle of the target gun body connecting piece 02, the maximum effective rust removal width of the sand blasting spray gun can be changed to be about 100 mm. Compared with the maximum effective rust removal width of the single spray gun of 60mm under the condition of the same compressed air flow and pressure, the spray area of the sand blasting spray gun provided by the embodiment of the invention is increased by 40mm compared with the maximum effective rust removal width of the single spray gun, so that the efficiency of the sand blasting spray gun provided by the embodiment of the invention is improved by about 67% compared with the efficiency of the single spray gun.
Referring to fig. 3, the blasting gun may further include: at least one seal 10 in one-to-one correspondence with the at least one target gun body coupler 02. Each sealing member 10 is connected to the gun body 03 and a corresponding one of the target gun body connectors 02, and each sealing member 10 is used to seal the gun body 03 so as to prevent sand ejected from the nozzle 01 from being ejected from the connecting hole.
For example, the sealing member 10 may be a sealing ring, which may be sleeved on the target gun body connector 02 and connected with the gun body 03, so as to seal the gun body 03.
Alternatively, the seal 08 may be made of a metallic material or a composite material.
In the embodiment of the present invention, the sand material in the sand storage tank connected to the sand blasting spray gun may be a breakable sand material, such as brown corundum, quartz sand, garnet, and the like. After the sand material which is easy to break is sprayed on the surface of a workpiece to be derusted, the degree of breakage is high, and the sand material cannot be reused. Alternatively, the sand material may be a sand material that is not easily broken, and may be steel grit or steel shot, for example. After the sand materials which are not easy to break are sprayed on the surface of the workpiece to be derusted, the degree of breakage is low, and the sand materials can be recycled and reused. On one hand, the utilization rate of resources can be improved, and on the other hand, environmental pollution can be avoided.
Accordingly, referring to fig. 2, 3 and 5, the blasting gun according to the embodiment of the present invention may further include: a brush 11 and a recovery pipe 12. One end of the brush 11 is connected with the other end of the gun body 03 and surrounds the opening of the gun body 03, and the end face of the other end of the brush 11 is a cambered surface protruding in the direction close to the gun body 03 so as to ensure that the sand blasting spray gun can be attached to the surface of a workpiece to be derusted in the using process. The side wall of the gun body 03 is provided with a through hole, one end of the recovery pipe 10 is connected with the gun body 03 and is communicated with the through hole, the other end of the recovery pipe 12 is used for connecting a sand recovery pipeline, and the sand recovery pipeline can be communicated with a sand storage tank.
In the embodiment of the present invention, the brush 11 may be connected to the gun body 03 through a mounting groove, and the brush 11 may be disposed on the mounting groove. For example, the mounting groove and the gun body 03 may be an integral structure. Or the mounting groove can be sleeved or clamped with the gun body 03. The embodiment of the present invention does not limit the implementation manner of the brush 11.
Optionally, the recovery pipe 12 is detachably connected to the sand recovery pipe. For example, the recovery pipe 12 and the sand recovery pipe may be screwed or clamped.
Due to the arrangement of the brush 11, sand materials sprayed to the surface of a workpiece to be derusted can be prevented from splashing, and air can enter the gun body 03 from the periphery of the brush 11 under the action of a vacuum pump in the sand blasting and derusting system and carries the sand materials to enter the sand storage tank through the sand material recovery pipe 12, so that the sand materials can be recycled.
Optionally, if the workpiece to be derusted is a steel pipe, the radian of the brush 11 changes according to the diameter of the steel pipe, so as to achieve good fit with the surface of the steel pipe.
In summary, the embodiments of the present invention provide a sand blasting gun, which may include: the gun body comprises a plurality of nozzles, a plurality of gun body connecting pieces which are in one-to-one correspondence with the nozzles, and a gun body. Each nozzle is connected with the gun body through a corresponding gun body connecting piece, and sand can be ejected from the other end of the gun body. Because this sandblast spray gun is provided with a plurality of rifle body connecting pieces to there is at least one target rifle body connecting piece to rotate with this rifle body to be connected, and a plurality of nozzles spun sand can be jetted out from the opening of the rifle body other end through this rifle body connecting piece, consequently has effectively increased this sandblast spray gun's injection area, and can adjust this injection area through rotating target rifle body connecting piece, thereby improved this sandblast spray gun's rust cleaning efficiency and use flexibility.
An embodiment of the present invention further provides a sandblasting rust removal system, and referring to fig. 6, the system may include: a sand storage tank 13 and a sand blasting gun 00 as shown in any one of fig. 1 to 4. One end of the sand tank 13 may be connected to each nozzle 01 of the blasting gun 00 to supply the blasting gun 00 with sand. Meanwhile, one end of the sand storage tank 13 is provided with a recovery cap 131, and the recovery pipe 12 of the sand blasting spray gun 00 can be connected with the recovery cap through a sand material recovery pipeline, so that the recovery of sand materials is realized.
Optionally, the recovery pipe 10 and the sand recovery pipe may be screwed or clamped.
The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A blasting gun, characterized in that the blasting gun (00) comprises: the spray gun comprises a plurality of nozzles (01), a plurality of gun body connecting pieces (02) corresponding to the nozzles (01) one by one, and gun bodies (03);
each nozzle (01), each gun body connecting piece (02) and the gun body (03) are of hollow structures, and in the plurality of gun body connecting pieces (02), at least one target gun body connecting piece (02) is rotatably connected with the gun body (03);
one end of each gun body connecting piece (02) is connected with one end of one corresponding nozzle (01), the other end of each gun body connecting piece (02) is connected with one end of the gun body (03), and each gun body connecting piece (02) is used for communicating one corresponding nozzle (01) with the gun body (03);
the other end of each nozzle (01) is connected with a sand storage tank (13), and the other end of the gun body (03) is opened;
the orthographic projection of the other end of each gun body connecting piece (02) on the plane where the end face of the other end of the gun body (03) is located in the orthographic projection of the inner wall of the gun body (03) on the plane.
2. The blasting lance of claim 1, wherein the blasting lance (00) further comprises: the protective sleeves (05) correspond to the nozzles (01) one by one, the protective sleeves (05) correspond to the gun body connecting pieces (02) one by one, and each protective sleeve (05) is of a hollow structure;
each sheath (05) is arranged in one corresponding gun body connecting piece (02), the end face of one end of each sheath (05) is in contact with the end face of one end of one corresponding nozzle (01), and the other end of each sheath (05) is positioned in the gun body (03).
3. The blasting lance of claim 2,
the inner diameter of the other end of the sheath (05) is larger than that of one end of the sheath (05).
4. The blasting lance of claim 2,
each nozzle (01) is detachably connected with one corresponding gun body connecting piece (02);
each sheath (05) is detachably connected with one corresponding gun body connecting piece (02).
5. The blasting lance of claim 1, wherein the plurality of lance body attachments (02) are arranged in a first direction; the blasting gun (00) further comprises: a plurality of stay bolts (07); the gun body (03) is provided with a plurality of supporting threaded holes;
each target gun body connecting piece (02) is rotatably connected with the gun body (03) through a connecting shaft (06), and the axial direction of the connecting shaft (06) is perpendicular to the first direction;
each supporting bolt (07) is arranged in one supporting threaded hole and is in contact with one target gun body connecting piece (02), and each target gun body connecting piece (02) is in contact with at least two supporting bolts (07) with intersecting axes.
6. The blasting lance of claim 1, wherein the plurality of lance body attachments (02) are arranged in a first direction; the blasting gun (00) further comprises: at least one adjusting bolt (08);
each target gun body connecting piece (02) is rotatably connected with the gun body (03) through a connecting shaft (06), the axis direction of the connecting shaft (06) is perpendicular to the first direction, a plurality of adjusting threaded holes (09) are formed in each target gun body connecting piece (02), and the arrangement direction of the plurality of adjusting threaded holes (09) is not parallel to the axis of the target gun body connecting piece (02);
the side wall of the gun body (03) is provided with at least one fixing threaded hole corresponding to the at least one target gun body connecting piece (02) one by one, each fixing threaded hole is aligned with one adjusting threaded hole (09) in one corresponding target gun body connecting piece (02), and one adjusting bolt (08) is arranged in the aligned threaded hole.
7. The blasting lance of claim 5, wherein the blasting lance (00) comprises: two nozzles (01) and two gun body connecting pieces (02), wherein one gun body connecting piece (02) is the target gun body connecting piece (02); the gun body (03) is a hollow cube, and the length direction of the gun body (03) is parallel to the first direction;
among the four side walls of the gun body (03), a first side wall (031) and a second side wall (032) are respectively provided with at least one supporting threaded hole;
the first side wall (031) and the second side wall (032) are two adjacent side walls of the four side walls, the wall surface of the first side wall is parallel to the first direction, the wall surface of the second side wall is perpendicular to the first direction, and the target gun body connecting piece (02) is close to the second side wall relative to the other gun body connecting piece (02).
8. The blasting lance of any one of claims 1 to 7, wherein the blasting lance (00) further comprises: at least one seal (10) in one-to-one correspondence with the at least one target gun body connector (02);
each sealing element (10) is respectively connected with the gun body (03) and one corresponding target gun body connecting piece (02), and each sealing element (10) is used for sealing the gun body (03).
9. The blasting lance of any one of claims 1 to 7, wherein the blasting lance (00) further comprises: a brush (11) and a recovery pipe (12);
one end of the brush (11) is connected with the other end of the gun body (03), the brush (11) surrounds the opening, and the end face of the other end of the brush (11) is a cambered surface protruding in the direction close to the gun body (03);
one end of the recovery pipe (12) is connected with the side wall of the gun body (03), and is communicated with the gun body (03), and the other end of the recovery pipe (12) is used for connecting a sand recovery pipeline.
10. A sandblasting rust removal system, characterized in that it comprises: -a sand storage tank (13) and a blasting gun (00) according to any of claims 1 to 9;
the sand storage tank (13) is connected with each nozzle (01) of the sand blasting spray gun (00).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001244.4A CN111390775A (en) | 2019-01-02 | 2019-01-02 | Sand blasting spray gun and sand blasting rust removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001244.4A CN111390775A (en) | 2019-01-02 | 2019-01-02 | Sand blasting spray gun and sand blasting rust removal system |
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| Publication Number | Publication Date |
|---|---|
| CN111390775A true CN111390775A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910001244.4A Pending CN111390775A (en) | 2019-01-02 | 2019-01-02 | Sand blasting spray gun and sand blasting rust removal system |
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| Country | Link |
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| CN (1) | CN111390775A (en) |
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| CN107443258A (en) * | 2017-10-11 | 2017-12-08 | 重庆福税科技有限公司 | A kind of workpiece surface handles intelligent sand-blasting machine |
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| JPS63180475A (en) * | 1987-01-19 | 1988-07-25 | Fuji Seiki Seizosho:Kk | Rotary burr removing/cleaning device |
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Application publication date: 20200710 |