Shot blasting device for inner wall of steel pipe

Abstract

The utility model discloses an inner wall shot blasting device of a steel pipe, which relates to the technical field of steel pipe inner wall treatment and comprises a supporting platform fixedly mounted on a foundation, a cantilever beam penetrates through the inside of the supporting platform left and right, and a supporting rotating shaft used for supporting the cantilever beam to rotate is fixedly mounted on the right side of the supporting platform corresponding to the bottom of the cantilever beam. A hydraulic jack is installed on the upper portion of the left side of the supporting platform, and the upper end of the hydraulic jack is rotationally connected with the supporting platform. The shot blasting machine has the beneficial effects that the angle of the cantilever beam is adjusted in a manner of upwards performing shot blasting treatment on the inner wall of a to-be-shot-blasted steel pipe through the shot blasting device, steel pipes with different sizes and diameters can be easily adapted, equipment or parts do not need to be replaced, and the use cost is reduced; the high-speed rotating impeller head is used for cleaning the inner wall of the steel pipe, oxide skin, rust, oil dirt and other impurities can be thoroughly removed, the quality of the steel pipe is improved, and the service life of the steel pipe is prolonged; the device is compact in structure and easy to manufacture and maintain, and the manufacturing cost and the use difficulty are reduced.

Description

Technical Field

[0001] This utility model relates to the field of steel pipe inner wall treatment technology, and in particular to a shot blasting device for the inner wall of steel pipe. Background Technology

[0002] During the manufacturing and use of steel pipes, impurities such as oxide scale, rust, and oil stains often remain on the inner wall of the pipes. These impurities not only affect the quality of the steel pipes but also reduce their service life. Therefore, cleaning the inner wall of steel pipes is essential. Traditional methods for cleaning the inner wall of steel pipes are mostly manual, which is inefficient and yields unsatisfactory cleaning results. In recent years, although some automated cleaning equipment has emerged, its poor adaptability and inability to adapt to steel pipes of different sizes and diameters have greatly limited its practical application. Utility Model Content

[0003] The purpose of this invention is to provide a shot blasting device for the inner wall of steel pipes in order to solve the above-mentioned problems.

[0004] This utility model achieves the above objectives through the following technical solutions:

[0005] A shot blasting device for the inner wall of a steel pipe includes a support platform fixedly installed on a foundation. A cantilever beam runs through the interior of the support platform from left to right. A support shaft for supporting the rotation of the cantilever beam is fixedly installed on the right side of the support platform corresponding to the bottom of the cantilever beam. A hydraulic jack is installed on the upper left side of the support platform, with its upper end rotatably connected to the support platform and its lower end rotatably connected to the cantilever beam. A shot blasting box is installed at the right end of the cantilever beam, and an upward-facing shot blaster is fixedly installed inside the shot blasting box. A track is fixedly installed on the foundation on the right side of the support platform, and a transport trolley for transporting the steel pipe to be shot blasted is mounted on the track.

[0006] Preferably: a feeding hopper is fixedly installed on the upper right side of the support platform, and an elevator is provided on one side of the feeding hopper; a feeding conveyor is provided above the interior of the cantilever beam, with the left end of the feeding conveyor extending to the discharge port at the lower end of the feeding hopper and the right end of the feeding conveyor extending to the inlet of the shot blasting machine; a return conveyor is provided below the interior of the cantilever beam, with the right end of the return conveyor extending to the bottom of the shot blasting box and the left end of the return conveyor extending into the support platform; a transfer mechanism is provided inside the support platform between the left end of the return conveyor and the inlet of the elevator.

[0007] Preferably: the transfer mechanism includes a ball residue separator, a conveying motor and a screw conveyor, the ball residue separator is fixedly installed below the support platform corresponding to the left end of the return material conveyor, the ball residue separator is connected with the screw conveyor through a pipeline, and the outlet end of the screw conveyor is arranged at the feeding port of the elevator.

[0008] Preferably: a cable is hung above the support shaft corresponding to the right side of the support platform and is higher than the upper surface of the suspension beam.

[0009] Preferably: the shot blasting box is connected with the suspension beam through bolts, and a cushion block is arranged between the shot blasting box and the suspension beam.

[0010] Compared with the prior art, the beneficial effects of the utility model are that:

[0011] 1. Strong adaptability: by adjusting the angle of the suspension beam, the upwardly thrown shot blasting device can easily adapt to steel pipes of different sizes and diameters without the need to replace equipment or parts, thereby reducing the use cost.

[0012] 2. Good cleaning effect: the high-speed rotating shot blasting device can clean the inner wall of the steel pipe, completely remove the impurities such as oxide skin, rust and oil stains, and improve the quality and service life of the steel pipe.

[0013] 3. Simple structure: the compact structure is easy to manufacture and maintain, thereby reducing the manufacturing cost and use difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0015] Fig. 1 is a use state diagram of the inner wall shot blasting device of the steel pipe.

[0016] Fig. 2 is a front view structural schematic diagram of the inner wall shot blasting device of the steel pipe.

[0017] Fig. 3 is a partial structural schematic diagram of the inner wall shot blasting device of the steel pipe.

[0018] The following is an explanation of the reference signs:

[0019] 1, ground foundation; 2, track; 3, support platform; 4, suspension beam; 5, support shaft; 6, cable; 7, hydraulic jack; 8, discharging bin; 9, elevator; 10, shot blasting box; 11, shot blasting machine; 12, conveying trolley; 13, steel pipe to be blasted; 14, feeding conveyor; 15, return conveyor; 16, transfer mechanism; 161, shot and slag separator; 162, screw conveyor. DETAILED DESCRIPTION

[0020] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application, in addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to, therefore, the features with "first", "second" and the like can explicitly or implicitly include one or more of the features, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements, for those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] The present application will be further described below in conjunction with the drawings:

[0023] As Figs. 1-3As shown, a kind of inner wall of steel pipe shot blasting device, including fixedly installed on the support platform 3 of ground foundation 1, the support platform 3 is used to support, the support platform 3 inside and left and right through the suspension beam 4, the suspension beam 4 is used to extend through the steel pipe 13 to be blasted to facilitate processing, the support platform 3 right side corresponds the bottom of suspension beam 4 and is fixedly installed with the support shaft 5 for supporting the rotation of suspension beam 4, the support platform 3 left side upper portion is installed with hydraulic jack 7, and the upper end of hydraulic jack 7 is rotatably connected with the support platform 3, and the lower end of hydraulic jack 7 is rotatably connected with the suspension beam 4, and the right end of suspension beam 4 is installed with shot blasting box 10, and the shot blasting box 10 is fixedly installed with upward shot blasting machine 11 in, and hydraulic jack 7 is used to support the rotation of suspension beam 4 and adjusts the height of shot blasting machine 11 to adapt to the shot blasting processing of different diameter steel pipe 13 to be blasted;The right side of support platform 3 is provided with the track 2 of fixedly installed ground foundation 1, and the track 2 is clamped with conveying trolley 12 for transporting steel pipe 13 to be blasted.

[0024] The right side upper portion of support platform 3 is fixedly installed with the discharge bin 8, and the discharge bin 8 side is provided with elevator 9;The inside upper portion of suspension beam 4 is provided with feeding conveyor 14, and the left end of feeding conveyor 14 extends to the discharge port position of the lower end of discharge bin 8, and the right end of feeding conveyor 14 extends to the inlet position of shot blasting machine 11;The inside lower portion of suspension beam 4 is provided with return conveyor 15, and the right end of return conveyor 15 extends to the bottom of shot blasting box 10, and the left end of return conveyor 15 extends to the inside of support platform 3, and the inside of support platform 3 is provided with transfer mechanism 16 between the left end of return conveyor 15 and the inlet of elevator 9, and transfer mechanism 16 is used to recycle materials repeatedly, and save material input.

[0025] Transfer mechanism 16 includes shot blasting residue separator 161, material conveying motor and screw conveyor 162, shot blasting residue separator 161 is fixedly installed on the position below the left end of return conveyor 15 in support platform 3, and the lower end of shot blasting residue separator 161 is provided with shot blasting outlet and residue outlet, and the shot blasting outlet of shot blasting residue separator 161 is sealingly connected with screw conveyor 162 through pipeline, and the discharge end of screw conveyor 162 is arranged at the inlet position of elevator 9.

[0026] The right side of support platform 3 corresponds the position of support shaft 5 directly above and higher than the upper surface of suspension beam 4 and is hung with inhaul cable 6, and the both ends of inhaul cable 6 are fixedly connected on suspension beam 4, and suspension beam 4 is lifted through inhaul cable 6, and support shaft 5 supports the rotation of suspension beam 4.

[0027] Shot blasting box 10 is connected with suspension beam 4 through bolt, and pad is arranged between shot blasting box 10 and suspension beam 4, so that the shot blasting machine 11 in shot blasting box 10 is horizontal after the rotation of suspension beam 4, so that the inside of steel pipe 13 to be blasted is the same distance to shot blasting machine 11, and the same shot blasting degree is realized.

[0028] Working principle: when using, the steel pipe to be shot 13 is moved along the track 2 by the conveying trolley 12, the steel pipe to be shot 13 is sleeved outside the shot blasting box 10 at the right end of the suspension beam 4, the shot feeding conveyor 14 is started to convey the shot falling from the feeding bin 8 into the shot blasting machine 11, the shot is thrown upwards by the shot blasting machine 11 to perform shot blasting treatment on the inner wall of the steel pipe to be shot 13, the used shot and debris are conveyed by the shot returning conveyor 15 into the shot and debris separator 161 in the support platform 3, the shot and debris are separated by the shot and debris separator 161, the shot is conveyed by the spiral conveyor 162 into the feeding inlet of the elevator 9, the shot is lifted by the elevator 9 into the feeding bin 8 for use, the debris and dust are discharged after being separated by the shot and debris separator 161, the conveying trolley 12 supports the steel pipe to be shot 13 to move and rotate during the shot blasting process, until the shot blasting is completed; when the steel pipe to be shot 13 with different diameters is shot blasted, the hydraulic jack 7 is extended to support the rotation of the suspension beam 4, so that the height of the shot blasting box 10 is adjusted to adapt to the use of the steel pipe to be shot 13 with different diameters.

[0029] The track 2, the support platform 3, the hydraulic jack 7, the feeding bin 8, the elevator 9, the shot blasting machine 11, the conveying trolley 12, the shot feeding conveyor 14, the shot returning conveyor 15, the shot and debris separator 161 and the spiral conveyor 162 are all general standard parts or parts known by those skilled in the art, the structure and principle of which can be known by those skilled in the art through technical manuals or through conventional experimental methods, so no more description is made here.

[0030] The basic principle, main features and advantages of the utility model are shown and described above, those skilled in the art should understand that the utility model is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the utility model, the utility model will have various changes and improvements without departing from the spirit and scope of the utility model, these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A steel pipe inner wall shot blasting device, comprising a support platform (3) fixedly installed on a ground base (1), characterized in that: The support platform (3) is internally and left-right through a cantilever (4), the support platform (3) right side corresponding the cantilever (4) bottom fixedly installed with be used to support the cantilever (4) rotation's support rotating shaft (5), the support platform (3) left side upper portion is installed with hydraulic jack (7), the hydraulic jack (7) upper end with the support platform (3) rotation is connected, the hydraulic jack (7) lower end with the cantilever (4) rotation is connected, the cantilever (4) right end is installed with the shot blasting box (10), the shot blasting box (10) internally fixedly installed with upwards the shot blasting machine (11);The support platform (3) right side is provided with fixedly installed on the ground foundation (1) on the track (2), the track (2) on the card with be used to transport the shot blasting steel pipe (13) of the transport trolley (12).

2. The device for blasting the inner wall of a steel pipe according to claim 1, characterized in that: The support platform (3) right side upper portion is fixedly installed with the discharge bin (8), one side of the discharge bin (8) is provided with the elevator (9);The cantilever (4) inside upper portion is provided with the feeding conveyor (14), the feeding conveyor (14) left end extends to the discharge port position of the discharge bin (8) lower end, the feeding conveyor (14) right end extends to the shot blasting machine (11) feed inlet position;The cantilever (4) inside lower portion is provided with the return conveyor (15), the return conveyor (15) right end extends to the shot blasting box (10) bottom, the return conveyor (15) left end extends to the support platform (3) inside, the support platform (3) inside corresponding the return conveyor (15) left end and the elevator (9) feed inlet between the transfer mechanism (16) is provided.

3. The device for blasting the inner wall of a steel pipe according to claim 2, characterized in that: The transfer mechanism (16) includes shot blasting separator (161), feed motor and screw conveyor (162), the shot blasting separator (161) fixedly installed in the support platform (3) corresponding the return conveyor (15) left end lower portion position, the shot blasting separator (161) the shot blasting separator (161) is connected with the screw conveyor (162) through the pipeline seal, the screw conveyor (162) discharge end is set in the elevator (9) feed inlet position.

4. The inner wall shot blasting device of a steel pipe according to claim 1, characterized in that: The support platform (3) right side corresponding the support rotating shaft (5) just above and higher than the cantilever (4) upper surface position hangs the cable (6), the cable (6) both ends are fixedly connected on the cantilever (4).

5. The inner wall shot blasting device of a steel pipe according to claim 1, characterized in that: The shot blasting box (10) and the cantilever (4) are connected through the bolt, and the shot blasting box (10) and the cantilever (4) are provided with a cushion block.

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