CN212240621U - A device for simultaneous sandblasting of the inner and outer surfaces of a steel pipe - Google Patents

Abstract

The utility model discloses a simultaneous sandblasting treatment device for the inner and outer surfaces of a steel pipe. There is a rubber nozzle, the end of the rubber nozzle away from the sandblasting pipe is fixedly provided with a first movable chuck, a sandblasting sleeve is arranged in the clamping groove, and the end of the sandblasting sleeve is fixedly provided with a connection A second movable chuck is fixed on the dust absorption and dust removal device, and a slot matched with the connecting block is fixed on the first movable chuck and the second movable chuck respectively. The first movable chuck A fixing device is slidably arranged inside the second movable chuck, and a sand outlet pipe is communicated with one end of the absorbing and dust removing device away from the filtering device. By being provided with a sandblasting sleeve and a fixing device, the utility model can fix the steel pipe to be sandblasted, which is convenient for sandblasting the inner and outer surfaces at one time.

Description

A device for simultaneous sandblasting of the inner and outer surfaces of a steel pipe

technical field

The utility model relates to the technical field of sandblasting devices, in particular to a simultaneous sandblasting treatment device for the inner and outer surfaces of a steel pipe.

Background technique

Stainless steel seamless steel pipe usually needs to be pickled to treat the oxide skin on the surface after solid solution, and then lubricated with lime butter inside and outside. After drying, it is used for wall reduction and cold drawing. The surface of the stainless steel seamless steel pipe is very smooth after the bright solution treatment is applied. After the lime butter is lubricated, the lubricating layer is very easy to fall off, which makes it impossible to carry out the wall reduction and cold drawing operation. Sandblasting treatment is required to increase the surface roughness of the stainless steel pipe and remove surface defects. After treatment, it can be used as a cold drawing operation for reducing the wall of lime butter. The traditional device has a single function and cannot blast the inner and outer surfaces at the same time, resulting in low blasting efficiency.

Utility model content

The purpose of the present utility model is to provide a simultaneous sandblasting device for the inner and outer surfaces of a steel pipe to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a simultaneous sandblasting treatment device for the inner and outer surfaces of a steel pipe, comprising a sandblasting host and an absorption and dust removal device, wherein a sandblasting pipe is fixedly arranged on the sandblasting host, and the sandblasting pipe A rubber nozzle is fixedly arranged at one end away from the sandblasting host, and a first movable chuck is fixedly arranged at one end of the rubber nozzle away from the sandblasting pipe, and a sandblasting sleeve is arranged in the clamping groove. A connection block is fixedly arranged at the end of the casing, a second movable chuck is fixedly arranged on the absorbing and dust removal device, and a clamping slot matched with the connection block is fixedly arranged on the first movable chuck and the second movable chuck respectively. , the sandblasting sleeve is connected with the clamping slot through the connecting block, the first movable chuck and the second movable chuck are respectively provided with a fixing device in a sliding manner, a filter device is fixedly arranged in the absorption and dust removal device, and the One end of the absorption and dust removal device away from the filter device is connected with a sand outlet pipe, the bottom of the sand outlet pipe is connected with a connecting pipe, and one end of the connection pipe away from the sand outlet pipe is fixedly provided with a sand suction device, and the sand suction device passes through The conduit is connected to the sandblasting host.

Preferably, the fixing device includes an outer ring, a support plate and a fixing cylinder, and the outer ring is connected with the fixing cylinder through the supporting plate. The size of the outer ring is matched with the size of the first movable chuck and the second movable chuck respectively, and the outer ring, the support plate and the fixing cylinder are all made of rubber.

Preferably, the support plate is provided with no less than three through holes, and the through holes are evenly distributed on the surface of the support plate.

Preferably, the size of the fixing cylinder is matched with the size of the steel pipe to be sandblasted.

Preferably, the sandblasting sleeve is a stainless steel pipe, and the size of the sandblasting sleeve is matched with the size of the steel pipe to be sandblasted.

Preferably, the filter device is a filter screen, the mesh number of the filter screen is determined by an engineer, and the sand suction device is a sand suction pump.

Preferably, a recovery hole is opened at one end of the dust absorption and dust removal device away from the fixing device, and a sealing cover is hinged outside the recovery hole.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The utility model is provided with a sandblasting casing and a fixing device, and the casing fixing device fixes the steel pipe to be sandblasted in the sandblasting casing, and can simultaneously blast the inner and outer surfaces of the steel pipe;

2. The utility model is also provided with an absorption and dust removal device, which isolates the sand particles from the outside, avoids sand and dust pollution, filters and recycles the sand particles, and can discharge the coarse sand for recycling, and has the advantages of simple structure, convenient use and good use effect. advantage.

Description of drawings

1 is a cross-sectional view of the overall structure of a simultaneous sandblasting treatment device for the inner and outer surfaces of a steel pipe of the present invention;

Fig. 2 is a top-view structural schematic diagram of a simultaneous sandblasting treatment device for the inner and outer surfaces of a steel pipe according to the present invention;

3 is a schematic structural diagram of an inner fixing device of a simultaneous sandblasting treatment device for the inner and outer surfaces of a steel pipe according to the present invention.

In the figure: 100, sandblasting host; 101, absorption and dust removal device; 102, sandblasting pipe; 103, rubber nozzle; 104, first movable chuck; 105, sandblasting casing; 106, connecting block; 107, No. 2. Active chuck; 108, slot; 109, fixing device; 10901, outer ring; 10902, support plate; 10903, fixing cylinder; 110, filter device; 111, sand outlet pipe; 112, connecting pipe; 113, sand suction device; 114, three through holes; 115, recycling hole; 116, frame; 117, limit block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-3 , the present invention provides a technical solution: a simultaneous sandblasting treatment device for the inner and outer surfaces of a steel pipe, comprising a sandblasting host 100 and an absorption and dust removal device 101 . A rubber nozzle 103 is attached to the end of the sand pipe 102 away from the sandblasting host 100, and a first movable chuck 104 is attached to the end of the rubber nozzle 103 away from the sandblasting pipe 102, and a sandblasting sleeve 105 is installed in the clamping groove 108. A connecting block 106 is welded on the end of the sandblasting sleeve 105, a second movable chuck 107 is welded on the dust absorption and dust removal device 101, and the first movable chuck 104 and the second movable chuck 107 are respectively welded with the connecting block 106. The clamping slot 108, the sandblasting sleeve 105 is connected with the clamping slot 108 through the connecting block 106, the first movable chuck 104 and the second movable chuck 107 are respectively slidably installed with a fixing device 109, and the dust absorption device 101 is installed with bolts. In the filter device 110, the end of the absorption and dust removal device 101 away from the filter device 110 is connected with a sand pipe 111, the bottom of the sand pipe 111 is connected with a connection pipe 112, and the end of the connection pipe 112 away from the sand pipe 111 is installed with a sand suction pipe through bolts. The device 113, the sand suction device 113 is connected to the sand blasting host 100 through a conduit, and the limit block 117 can play a role in limiting the movement range of the fixing device 109. The sand suction device 113, the sand blasting host 100 and the absorption dust removal device 101 are respectively connected to the frame. 116 solder connections.

The fixing device 109 includes an outer ring 10901, a support plate 10902 and a fixing cylinder 10903, and the outer ring 10901 is connected with the fixing cylinder 1903 through the supporting plate 10902. The dimensions of the outer ring 10901 are matched with the dimensions of the first movable chuck 104 and the second movable chuck 107 respectively. The outer ring 10901, the support plate 10902 and the fixing cylinder 10903 are all made of rubber. hole 114.

The size of the fixing cylinder 10903 is matched with the size of the steel pipe to be sandblasted to ensure the fixing effect of the steel pipe.

The sandblasting sleeve 105 is a stainless steel pipe, and the size of the sandblasting sleeve 105 is precisely matched with the size of the steel pipe to be sandblasted. Too large a sandblasting effect is not good, and too small a sandblasting is likely to cause sand blocking.

The filter device 110 is a filter screen, and the mesh number of the filter screen is determined by an engineer, and the sand suction device 113 is a sand suction pump.

A recovery hole 115 is opened at one end of the dust absorption and dust removal device 101 away from the fixing device 109 , and a sealing cover is hinged to the outside of the recovery hole 115 .

Working principle: When the utility model is used, the steel pipe to be sandblasted is sleeved on the fixing cylinder 10903 on the fixing device 109, so that the fixing cylinder 10903 is inserted into the interior of the steel pipe, and then the connection block 106 outside the sandblasting sleeve 105 is inserted. Screw it into the clamping groove 108 to complete the connection between the sandblasting sleeve 105 and the first movable chuck 104, and then insert the other end of the steel pipe into the fixed cylinder 10903 on the second movable chuck 107, so as to The sand steel pipe is fixed inside the sand blasting sleeve 105, and the connecting block 106 is screwed into the slot 108 on the second movable card to complete the connection between the sand blasting sleeve 105 and the absorbing and dust removing device 101. The inner walls of the movable chuck 104 and the second movable chuck 107 are slidably connected, which can adapt to steel pipes of different lengths. The sandblasting host 100 is activated through an external switch, and the sand enters the sandblasting pipe 102 and then enters the rubber nozzle 103. The nozzle 103 enters the first movable chuck 104, and then enters the stainless steel casing. When the sand flows into the stainless steel casing, it impacts the sandblasting pipe 102 in the stainless steel casing, and the sandblasting treatment of the inner and outer surfaces of the steel pipe is solved at one time. , since the fixing device 109 is provided with a through hole 114, the blocking of the sand by the support plate 10902 is reduced, so that the sand can be sprayed evenly on the surface of the steel pipe, and the sand is sprayed from the stainless steel pipe to the second movable chuck 107 , and then enter the absorption and dust removal device 101, the sand entering the absorption and dust removal device 101 is filtered by the filter device 110, the coarse sand is blocked on one side of the filter device 110, and the fine sand passes through the filter screen to reach the end of the absorption and dust removal device 101 , Under the action of the sand suction device 113, the fine sand is sucked out again, and sent into the sand blasting host 100 for circulation, and the sealing cover is opened to recover the coarse sand, which has the advantages of simple structure, convenient use and good use effect.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A simultaneous sandblasting treatment device for the inner and outer surfaces of a steel pipe, comprising a sandblasting host (100), an absorbing dust removal device (101) and a frame (116), characterized in that: the sandblasting host (100) is fixedly provided with sandblasting A pipe (102), one end of the sandblasting pipe (102) away from the sandblasting host (100) is fixedly provided with a rubber nozzle (103), and the rubber nozzle (103) has one end away from the sandblasting pipe (102) A first movable clamping head (104) is fixedly arranged, a sandblasting sleeve (105) is arranged in the clamping groove (108), and a connecting block (106) is fixedly arranged at the end of the sandblasting sleeve (105). A second movable chuck (107) is fixedly arranged on the dust absorption and dust removal device (101), and the first movable chuck (104) and the second movable chuck (107) are respectively fixed and arranged to cooperate with the connecting block (106). The sandblasting sleeve (105) is connected with the clamping slot (108) through the connecting block (106), and the first movable chuck (104) and the second movable chuck (107) are inside A fixing device (109) is respectively slidably arranged, a filter device (110) is fixedly arranged in the dust absorption and dust removal device (101), and a sand outlet pipe is communicated with one end of the dust absorption and dust removal device (101) away from the filter device (110). (111), a connecting pipe (112) is connected to the bottom of the sand producing pipe (111), and a sand suction device (113) is fixedly arranged on the end of the connecting pipe (112) away from the sand producing pipe (111). The sand suction device (113) is connected to the sand blasting host (100) through a conduit, and the sand suction device (113), the sand blasting host (100) and the absorbing dust removal device (101) are respectively fixedly connected to the frame (116). A limiting block (117) is fixedly arranged on one end of the first movable chuck (104) and the second movable chuck (107) away from the fixing device (109). 2. The device for simultaneous sandblasting of the inner and outer surfaces of a steel pipe according to claim 1, wherein the fixing device (109) comprises an outer ring (10901), a support plate (10902) and a fixing cylinder (10903), The outer ring (10901) is connected with the fixing cylinder (10903) through the support plate (10902). 3. A device for simultaneous sandblasting of the inner and outer surfaces of a steel pipe according to claim 2, characterized in that: the support plate (10902) is provided with no less than three through holes (114), the through holes (114) are evenly distributed on the surface of the support plate (10902). 4. A device for simultaneous sandblasting of the inner and outer surfaces of a steel pipe according to claim 2, characterized in that: the outer diameter of the fixing cylinder (1903) is matched with the inner diameter of the steel pipe to be sandblasted, and the fixing cylinder (1903) ) is a hollow structure. 5. The simultaneous sandblasting treatment device for the inner and outer surfaces of a steel pipe according to claim 1, wherein the sandblasting sleeve (105) is a stainless steel pipe, and the size of the sandblasting sleeve (105) is related to the requirements The dimensions of the sandblasted steel pipe are precisely matched. 6 . The simultaneous sandblasting treatment device for the inner and outer surfaces of a steel pipe according to claim 1 , wherein the filter device ( 110 ) is a filter screen, and the mesh number of the filter screen is determined by an engineer, and the sand suction The device (113) is a sand suction pump. 7. The simultaneous sandblasting treatment device for the inner and outer surfaces of a steel pipe according to claim 1, characterized in that: a recovery hole (115) is provided in the end of the absorbing dust removal device (101) away from the fixing device (109), so A sealing cover is hinged outside the recovery hole (115). 8. The device for simultaneous sandblasting of the inner and outer surfaces of a steel pipe according to claim 2, wherein the size of the outer ring (10901) is the same as that of the first movable chuck (104) and the second movable chuck (10901). 107), the outer ring (10901), the support plate (10902) and the fixing cylinder (10903) are all made of rubber.

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