CN117532514A - Shot blasting machine for inner wall of steel cylinder - Google Patents

Abstract

The invention discloses a shot blasting machine for the inner wall of a steel cylinder, which comprises a sand blasting chamber, a screw conveyer, a lifter, a separator, a shot supplying system, a shot blasting system, a dust removing system, an electric control system and a maintenance platform. The shot sand collection hopper in the sandblasting room is communicated with the screw conveyer, the discharge end of the screw conveyer is communicated to the tail end of a pipeline of the lifting machine, the discharge port of the lifting machine is communicated to the feed inlet of the separator, the lower end of the separator is fixedly provided with a shot supply system and communicated with the shot supply system, the discharge end of the shot supply system is connected to the shot blasting system, the shot blasting system supplies shots to a sandblasting pipe of the sandblasting room through the pipeline, the dust removing system is arranged at the rear of the sandblasting room, the maintenance platform is erected above the sandblasting room and the dust removing system, and the electric control system is arranged beside the sandblasting room. The sand blasting chamber comprises a main bracket, a shot blasting mechanism, an autorotation mechanism and a bottle supporting mechanism. The invention mainly aims at cleaning the inner wall of the steel cylinder, realizes multi-station simultaneous cleaning, can bring better cleaning effect, and has high cleaning efficiency and low labor intensity.

Description

Shot blasting machine for inner wall of steel cylinder

Technical Field

The invention relates to the technical field of shot blasting machines, in particular to a shot blasting machine for an inner wall of a steel cylinder.

Background

Shot blasting machines are devices that utilize high-speed shot flows ejected by shot blasters to clean or strengthen metal surfaces. The shot blasting treatment gradually replaces the old manual polishing or pickling process and the like due to high efficiency, economy and environmental protection, and becomes an indispensable process program in metal processing. The shot blasting machine is mainly used for treating the inner cavities of complex castings and complex steel structural members (parts which cannot be treated by traditional shot blasting), and is mainly used for removing sand, rust, oxide skin, dirt and the like. When the traditional manual shot blasting machine works, a workpiece is firstly placed in a shot blasting chamber, and then shot blasting is carried out; however, the obstacle point of the device is that the device can only throw balls on the top surface and the side surface of a workpiece, if the device encounters cleaning of the inner side walls such as a liquefied gas steel bottle, an oxygen bottle and the like, the length of the device can be several times the diameter, the diameter of a bottle mouth is smaller, the ball rebound cannot enter the bottle, rust on the inner wall of the device cannot be cleaned, and the cleaning effect is affected.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides a shot blasting machine for the inner wall of a steel cylinder.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a steel bottle inner wall shot blasting machine, includes sand blasting room, screw conveyer, lifting machine, separator, supplies ball system, shot blasting system, dust pelletizing system, electrical system and maintenance platform, ball sand collects hopper and screw conveyer intercommunication in the sand blasting room, screw conveyer's discharge end intercommunication to the pipeline end of lifting machine, the discharge gate of lifting machine communicates to the pan feeding mouth of separator, the lower extreme fixed mounting of separator supplies ball system and communicates with it, supplies ball system's discharge end to be connected to the shot blasting system, the shot blasting system supplies ball sand to the sandblast pipe of sand blasting room through the pipeline, dust pelletizing system sets up in the rear of sand blasting room, is equipped with dust pelletizing pipeline between with the separator, maintenance platform locates the top of sand blasting room and dust pelletizing system through the fixed bolster, electrical system sets up in the side of sand blasting room, the operation of each system of circuit control. The sand blasting chamber comprises a main support, a shot blasting mechanism, an autorotation mechanism and a bottle supporting mechanism, wherein the main support comprises a base, a supporting upright post, a cross beam, a guide support, a shot and sand collecting hopper and a working platform, the supporting upright post is vertically and fixedly arranged on the base, the cross beam is erected and arranged at the top end of the supporting upright post, the working platform is fixedly arranged at the middle part of the main support, and the shot and sand collecting hopper is fixedly arranged below the working platform; the guide brackets are fixed on two sides of the main bracket at an inclined angle and are symmetrical to each other.

The shot blasting mechanism comprises a spray gun bracket, a pulley block, a pulley power set and a plurality of sand blasting pipes, wherein the pulley block comprises two groups of sliding frames which are symmetrical to each other, guide wheels are arranged on the inner side of each group of sliding frames, the two groups of sliding frames are respectively and slidably assembled on the two corresponding guide brackets, the spray gun bracket fixing frame is arranged on the two groups of sliding frames, the plurality of sand blasting pipes are respectively and vertically fixed on the spray gun bracket through spray gun supports, the lower ends of the sand blasting pipes are connected to a shot blasting system through hoses, and a tensioning frame is fixedly arranged on the inner sides of the sliding frames; the pulley power pack comprises a gear motor, a transmission shaft, a driving sprocket, a driven sprocket, a driving sprocket and a chain, wherein the gear motor is fixedly arranged on a base of a main support, the bottom end of a guide support is rotationally provided with a transmission shaft which transversely penetrates through, two end parts of the transmission shaft are respectively coaxially fixed with the driven sprocket, one end close to the installation position of the gear motor is coaxially fixed with the driving sprocket, the middle part of the guide support and the outer side of a working platform are fixedly provided with the driving sprocket, the tail end of a rotating shaft of the gear motor is coaxially fixed with the motor sprocket, the motor sprocket is connected with the driving sprocket through a first chain, the driven sprocket is connected with the driving sprocket through a second chain, two ends of the second chain are fixedly connected to a tensioning frame of a carriage around the driven sprocket and the driving sprocket, and a sand blasting pipe can be driven to be inserted into a steel cylinder from bottom to top.

Further, the autorotation mechanism comprises an autorotation power unit and autorotation brackets of a plurality of stations, a plurality of mounting holes are formed in the working platform, the autorotation brackets are correspondingly arranged in each mounting hole, each autorotation bracket comprises a supporting base, a bearing, a turntable and a driven belt pulley, the supporting base is fixedly arranged on the working platform through a connecting flange, and the inside of the supporting base is hollow and is coaxially fixed with the bearing; the lower half part of the turntable is inserted into the bearing, the upper half part of the turntable is arranged above the outside of the supporting base, and the driven belt wheel is coaxially sleeved at the upper middle part of the turntable; the self-rotation power group comprises a plurality of power motors, the power motors are fixed on a bracket beam arranged at the middle upper part of the guide bracket through motor brackets, driving pulleys are coaxially fixed at the output ends of the power motors, and the driving pulleys are connected to driven pulleys on the self-rotation bracket through belt transmission.

Further, the bottle supporting mechanism comprises a guide rod, an upper bottle supporting device and a lower bottle supporting device, wherein the guide rod is fixedly arranged between a cross beam at the top end of the guide bracket and the working platform, and the upper bottle supporting device and the lower bottle supporting device are both slidably arranged on the guide rod; the bottle lifting device comprises an upper bracket, a plurality of cylinders and a gland correspondingly arranged at the tail end of a telescopic rod of the cylinders, a sliding shaft sleeve is fixedly arranged at the rear side of the upper bracket and is coaxially sleeved on a guide rod, the cylinders are vertically fixed on the upper bracket, and the telescopic rod of the cylinders penetrates through the upper bracket downwards and is rotatably provided with the gland; the lower bottle supporting device comprises a fixing frame, a sliding frame, a plurality of riding wheels and a hand wheel, wherein the fixing frame is fixedly arranged on the front side of the sliding frame, a plurality of transverse sliding grooves are formed in the fixing frame, the riding wheels are arranged in the corresponding sliding grooves in a sliding mode through riding wheel supports, every two riding wheels are in a group, the distance between every two adjacent riding wheels can be adjusted, the sliding frame is slidably arranged on a guide rod, and the hand wheel is rotatably arranged at the rear of the sliding frame and can adjust and fix the position of the sliding frame relative to the guide rod.

Further, the support stand in the total support comprises four support stand bodies which are two long and two short, the support stand bodies are vertically fixed at four corners of the base respectively, wherein the two support stand bodies are arranged on the front side of the base, the two support stand bodies are arranged on the rear side of the base, and the work platform fixing frame is arranged on the top end of the support stand bodies and the middle of the support stand bodies.

Further, a sand blasting pipe jack corresponding to the autorotation bracket is arranged on the lower side wall of the pill sand collecting hopper, the sand blasting pipe can pass through the corresponding sand blasting pipe jack, a rubber sealing plate is fixedly arranged on the outer side of the sand blasting pipe jack, a corresponding abrasion-resistant cone guiding is arranged on the inner side of the sand blasting pipe jack, and the abrasion-resistant cone guiding is coaxially arranged with the rotating disk of the autorotation bracket; the bottom of the pill sand collecting hopper is also provided with a plurality of overhaul windows, and an overhaul cover plate is arranged on the outer side of each overhaul window.

Further, the included angle between the guide bracket and the base is 84 degrees, and the sand blasting pipe, the central axis of the autorotation bracket, the guide rod, the central line of the riding wheel rotating shaft, the telescopic rod of the air cylinder and the guide bracket are all parallel.

Further, the sand blasting pipe is made of steel pipes and is provided with a plurality of types with different lengths, and the sand blasting pipe can be detachably replaced according to actual production requirements.

Further, the rotary table comprises an upper half part and a lower half part which are sequentially and fixedly connected, and are integrally formed, wherein the upper half part is funnel-shaped, a steel bottle inserting hole is formed in the upper half part, and a sealing cone support is arranged on the side wall of the funnel; the lower half part is hollow column, and a sand blasting pipe channel is arranged in the lower half part, a sheath is arranged in the sand blasting pipe channel, and the inner diameter of the sheath is larger than the outer diameter of the sand blasting pipe.

Further, the anti-falling device is further arranged on the cross beam at the top end of the guide bracket and comprises a supporting arm and a catenary, the top end of the supporting arm is provided with a connecting hanging lug, the upper end of the catenary is hung on the connecting hanging lug, and the lower end of the catenary is connected to the upper bracket of the upper bottle supporting device.

Further, each power motor in the self-rotating power pack is capable of pulling at least one self-rotating bracket.

Compared with the prior art, the invention has the following beneficial effects: the invention mainly aims at cleaning the inner wall of the steel cylinder, realizes multi-station simultaneous cleaning, can bring better cleaning effect, and has high cleaning efficiency and low labor intensity.

Drawings

For a clearer description of an embodiment of the present invention or a technical solution in the prior art, the drawings that need to be used in the embodiment will be briefly described, it will be apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person of ordinary skill in the art;

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a left side view of the overall structure of the present invention;

FIG. 3 is a top view of the overall structure of the present invention;

FIG. 4 is a schematic view of the overall structure of the blast room of the present invention;

FIG. 5 is a front view of a blast room of the present invention;

FIG. 6 is a schematic view of the structure of the general frame in the blast room according to the present invention;

FIG. 7 is a schematic view of the carriage in the blast room of the present invention;

FIG. 8 is a schematic view of the structure of the autorotation bracket in the blast room of the present invention;

FIG. 9 is a longitudinal cross-sectional view of the structure of FIG. 8;

FIG. 10 is a schematic view of the bottle holding mechanism in the blast room of the present invention;

FIG. 11 is a top view of the structure of FIG. 10;

FIG. 12 is a cross-sectional view taken along the direction A-A in FIG. 10;

in the figure: 1. the device comprises a sand blasting chamber, a screw conveyer, a lifting machine, a separator, a shot supplying system, a shot blasting system, a dust removing pipeline, a maintenance platform, an electric control system, a foundation, a total support, a shot blasting mechanism, a self-rotation mechanism, a bottle supporting mechanism, a chain wheel cover, a sealing cover and a falling prevention device, wherein the sand blasting chamber, the screw conveyer, the lifting machine, the separator, the shot supplying system, the shot blasting system, the dust removing pipeline, the maintenance platform, the electric control system, the foundation, the total support, the self-rotation mechanism, the bottle supporting mechanism, the chain wheel cover and the falling prevention device are arranged in sequence, and the falling prevention device is characterized in that the whole device is composed of the whole material.

110. The apparatus includes a base, 111, a long support column, 112, a short support column, 113, a guide bracket, 114, a work platform, 115, a pill-collecting hopper, 116, a mounting hole, 117, a bracket cross member, 118, a rubber seal plate, 119, an access cover plate, 121, a spray gun support, 122, a carriage, 123, a gear motor, 124, a transmission shaft, 125, a drive sprocket, 126, a driven sprocket, 127, a drive sprocket, 128, a sandblasted tube, 129, a spray gun support, 1221, a guide wheel, 1222, a tension bracket, 130, a rotation bracket, 131, a support base, 132, a turntable, 133, a driven sprocket, 134, a bearing, 135, a steel cylinder cartridge, 136, a sandblasted tube passage, 137, a jacket, 138, a connecting flange, 139, a power motor, 140, a guide plate, 141, an upper bottle supporting device, 142, a lower bottle supporting device, 143, an upper bracket, 144, a cylinder, 145, a gland, 146, a sliding sleeve, 147, a fixed mount, 148, a sliding frame, 149, a hand wheel, 150, a rod end 151, a sliding groove, 152, a wheel support, 153, a bearing connector, 171.

Detailed Description

It should be noted that, in the description of the present invention, terms such as "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, but relational terms are merely determined for convenience in describing structural relationships of the components of the present invention, and do not specifically designate any one of the components of the present invention as having to have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the present invention.

In addition, the descriptions such as "first", "second", etc. are used for descriptive purposes only, and are not intended to specifically indicate a sequential or a cis-position, nor are they intended to limit the invention, but are merely used to distinguish components or operations described in the same technical term, and are not to be construed as indicating or implying a relative importance or implying that the number of technical features indicated is indicated. Thus, a feature defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings:

as shown in fig. 1 to 3, a shot blasting machine for inner wall of steel cylinder is disposed on a foundation 10, and comprises a blasting chamber 1, a screw conveyor 2, a lifter 3, a separator 4, a shot supply system 5, a shot blasting system 6, a dust removal system 7, an electric control system 9 and a maintenance platform 8, wherein the blasting chamber 1 can be simultaneously provided with a plurality of machine positions according to actual processing requirements, and the machine positions are sequentially fixed and arranged in parallel. The bottom end of a pill sand collecting hopper in the sand blasting chamber 1 is communicated with a screw conveyer 2 arranged below the pill sand collecting hopper, and the discharge end of the screw conveyer 2 is communicated to the tail end of a pipeline of a lifting machine 3; the lifting machine 3 is vertically arranged at the rear of the sandblasting room 1, a discharge hole at the upper end of the lifting machine is communicated with a feed inlet of the separator 4, a shot supply system 5 is fixedly arranged at the lower end of the separator 4 and is communicated with the separator, the discharge end of the shot supply system 5 is connected to a shot blasting system 6, and the shot blasting system 6 supplies shots to a sandblasting pipe of the sandblasting room 1 through a soft pipeline; the dust removing system 7 is arranged at the rear of the lifting machine 3, and a dust removing pipeline 71 is arranged between the dust removing system and the separator 4; the maintenance platform 8 is arranged above the sandblasting room 1 and the dust removing system 7 through a fixed bracket; the electric control system 9 is arranged at the side of the sandblasting room 1, and controls the operation of each system through a circuit.

As shown in fig. 4 to 6, the sandblasting room 1 comprises a main support 11, a shot blasting mechanism 12, a rotation mechanism 13 and a bottle supporting mechanism 14, wherein the main support 11 comprises a base 110, two long support columns 111, two short support columns 112, a cross beam, two guide supports 113, a working platform 114 and a shot sand collecting hopper 115; the base 110 is welded and fixed into a frame structure by adopting square pipes, four supporting columns are vertically and fixedly installed at four corners of the base 110 respectively, wherein two short supporting columns 112 are positioned at the front side of the base 110, two long supporting columns 111 are positioned at the rear side of the base 110, and the top ends of the two long supporting columns 111 are fixedly provided with cross beams, so that the stability of the base is improved; the working platform 114 is fixedly installed at the top end of the short supporting upright 112 and the middle part of the long supporting upright 111, and is obliquely arranged and positioned at the middle height of the main bracket 11, and an included angle between the working platform 114 and the base 110 is 6 degrees; the working platform 114 is also provided with a plurality of mounting holes 116 which are arranged at equal intervals in a straight line; the pill sand collecting hopper 115 is fixedly arranged right below the working platform 114; the two guide brackets 113 are fixed on the left side and the right side of the working platform 114 at an inclined angle, extend from the base 110 to the top ends of the long support columns 111, are symmetrical to each other, are fixedly provided with top end cross beams at the top ends in an erection mode, and the included angle between the guide brackets 113 and the base 110 is 84 degrees; and a bracket beam 117 is fixedly arranged at the middle upper part of the two guide brackets 113 and is positioned above the working platform 114.

The shot blasting mechanism 12 comprises a spray gun bracket 121, a pulley block, a pulley power set and a plurality of sand blasting pipes 128, wherein the pulley block comprises two groups of mutually symmetrical sliding frames 122, as shown in fig. 7, guide wheels 1221 are installed at four corners of the inner side of each group of sliding frames 122 through rotating shafts, the two groups of sliding frames 122 are respectively and slidably assembled on the guide brackets 113 on the corresponding sides through the guide wheels 1221 thereon, a tensioning frame 1222 is fixedly arranged on the inner side of each sliding frame 122, and hanging holes are respectively formed in the upper end and the lower end of each tensioning frame 1222; the spray gun support 121 is transversely erected on and fixed with two groups of carriages 122, a plurality of sand blasting pipes 128 are vertically fixed on the spray gun support 121 through corresponding spray gun supports 129, and the lower ends of the sand blasting pipes 128 are connected to the shot blasting system 6 through hoses. The pulley power set comprises a gear motor 123, a transmission shaft 124, a driving sprocket 125, a driven sprocket 126, a transmission sprocket 127 and a plurality of chains, wherein the gear motor 123 is fixedly arranged on a base 110 of the main bracket 11 through a motor bracket, and the tail end of an output rotating shaft of the gear motor 123 is coaxially fixed with the motor sprocket through a key; the bottom ends of the two guide brackets 113 are rotatably provided with a transmission shaft 124 which transversely penetrates through the bearings, two end parts of the transmission shaft 124 are respectively and coaxially fixed with a driven sprocket 126, and one end close to the installation position of the gear motor 123 is coaxially fixed with a driving sprocket 125; the outer sides of the middle parts of the two guide brackets 113 and the two end sides close to the working platform 114 are respectively provided with a rotatable driving sprocket 127 through a belt seat bearing and a rotating shaft. The motor chain wheel is connected to the driving chain wheel 125 through a first chain, the driven chain wheel 126 is connected to the driving chain wheel 127 on the same side through a second chain, and two ends of the second chain are fixedly connected to the tensioning frame 1222 of the carriage 122 after winding the driven chain wheel 126 and the driving chain wheel 127 for a circle, so as to ensure synchronous parallel lifting of the spray gun bracket 121; the gear motor 123 drives the driving sprocket 125 to rotate, so that the driven sprocket 126 is driven to rotate through the transmission shaft 124, and the sand blasting pipe 128 on the spray gun support 121 is driven to be inserted into the inverted steel cylinder workpiece from bottom to top, so that the shot is sprayed from bottom to top. The outside of the chain is additionally provided with a sprocket cover 15 to ensure the safety of the running process and prevent accidents.

Referring to fig. 8 and 9, the rotation mechanism 13 includes a rotation power unit and rotation brackets 130 of a plurality of stations, each rotation bracket 130 is fixedly mounted in a corresponding mounting hole 116 on the working platform 114, and each rotation bracket 130 includes a support base 131, a bearing 134, a turntable 132 and a driven pulley 133, the support base 131 is columnar and hollow, a connecting flange 138 is fixedly mounted on the outer side wall of the support base 131, and is integrally formed with the support base, a reinforcing rib plate is added between the support base 131 and the connecting flange 138, and the support base is fixed on the working platform 114 through the connecting flange 138; the support base 131 has a deep groove ball bearing 134 coaxially and interference-fitted therein, and bearing caps are fixedly installed at both ends. The turntable 132 is inserted into the bearing 134, and comprises an upper half and a lower half, which are sequentially fixed and integrally formed, wherein the upper half of the turntable is funnel-shaped, is exposed above the supporting base 131, and is internally provided with a steel cylinder insertion hole 135, and the inner side wall of the funnel-shaped is provided with a sealing cone holder, so that the caliber of steel cylinders with different types can be adaptively inserted and the relative sealing can be ensured; the lower half part of the turntable is columnar, is inserted into the inner ring of the bearing 134 in an interference manner, and is internally provided with a sand blasting pipe channel 136, the inner diameter of the sand blasting pipe channel 136 is larger than the outer diameter of the sand blasting pipe 128, and the steel cylinder insertion hole 135 and the inner side of the sand blasting pipe channel 136 are fixedly provided with a sheath 137; the driven pulley 133 is coaxially sleeved and fixed on the middle upper part of the turntable 132, and is integrally formed with the turntable. The rotation power group comprises a plurality of power motors 139, the power motors 139 are vertically fixed on the rear side of the bracket beam 117 through corresponding motor brackets, the output end of each power motor 139 is coaxially fixed with a driving belt wheel, the driving belt wheel is connected to a driven belt wheel 133 in the rotation bracket 130 through belt transmission, and each power motor 139 can drive one or a plurality of adjacent rotation brackets 130 to rotate according to actual design requirements. To ensure the tightness of shot blasting, a sealing cover 16 is additionally arranged on the outer side of the multi-station autorotation bracket 130.

Referring to fig. 10 to 12, the bottle supporting mechanism 14 includes two guide rods 140, an upper bottle supporting device 141 and a lower bottle supporting device 142, wherein the two guide rods 140 are fixedly installed between the top end beam of the guide frame and the working platform 114, and are parallel to each other, and the upper bottle supporting device 141 and the lower bottle supporting device 142 are slidably installed on the guide rods 140. The bottle loading device 141 comprises an upper bracket 143, a plurality of air cylinders 144 and a gland 145 correspondingly arranged at the tail end of the air cylinder telescopic rod, a sliding shaft sleeve 146 is fixedly arranged at the rear side of the upper bracket 143, and the sliding shaft sleeve 146 is coaxially sleeved on the two guide rods 140 and can slide up and down along the two guide rods; the air cylinders 144 are fixed on the upper bracket 143 at equal intervals and vertically and aligned with the stations of the autorotation brackets 130, the air cylinder telescopic rods penetrate the upper bracket 143 downwards and are rotatably provided with the pressing covers 145 at the tail ends of the air cylinder telescopic rods through rod end bearing connectors 153, and the longitudinal sections of the pressing covers 145 are splayed and just correspond to the bottoms of steel cylinder workpieces. The lower supporting device 142 comprises a fixing frame 147, a sliding frame 148, a plurality of supporting wheels 149 and a hand wheel 150, wherein the fixing frame 147 is fixedly arranged on the front side of the sliding frame 148, a plurality of parallel transverse sliding grooves 151 are formed in the fixing frame, the supporting wheels 149 are all slidably arranged in the corresponding sliding grooves 151 through supporting wheel supports 152, every two adjacent supporting wheels 149 are in a group, the distance between the two adjacent supporting wheels 149 can be transversely adjusted along the sliding grooves 151, and the corresponding steel cylinder workpiece can be just supported by leaning on; the sliding frame 148 is slidably mounted on the two guide rods 140, and the hand wheel 150 is rotatably mounted right behind the sliding frame 148, and can adjust and fix the height position of the sliding frame 148 relative to the guide rods 140.

The upper end of the hand-pulled catenary is hung on the connecting suspension lugs, the lower end of the hand-pulled catenary is connected to the upper bracket 143 in the upper bottle supporting device 141, and the hand-pulled catenary is matched with the upper bottle supporting device 141 to lift and prevent the hand-pulled catenary from suddenly falling.

Further, as shown in fig. 5, the lower side wall of the pellet sand collecting hopper 115 is provided with a plurality of sand blasting pipe insertion holes corresponding to the rotation bracket 130, the sand blasting pipe 128 can pass through the corresponding sand blasting pipe insertion holes, and a rubber sealing plate 118 is fixedly installed at the outer side of the sand blasting pipe insertion holes so as to ensure the sealing of the pellet sand collecting hopper 115 and prevent the pellets from being sputtered; the inner side of the sand blasting pipe insertion hole is provided with a corresponding abrasion-resistant cone guide, and the abrasion-resistant cone guide is coaxially arranged with the rotating disc 132 in the rotating bracket 130 and is used for supporting and guiding the sand blasting pipe 128. The bottom of the pill sand collecting hopper 115 is also provided with a plurality of overhaul windows, and an openable and closable overhaul cover plate 119 is arranged on the outer side of each overhaul window.

Further, the blasting pipe 128, the central axis of the rotation bracket 130, the guide bar 140, the center line of the rotation shaft of the riding wheel 149, the telescopic bar of the cylinder 144, and the guide bracket 113 are all parallel.

Preferably, the sand blasting pipe 128 is made of steel pipe, is provided with various types with different lengths, and can be detachably replaced according to actual production requirements so as to meet the requirement of cleaning the inner walls of steel cylinder workpieces with different lengths.

The technical features of the technical solutions described in the embodiments that have not been described or mentioned in detail can be implemented by adopting or referring to related technical solutions in the prior art.

It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.

Claims (10)

1. The utility model provides a steel bottle inner wall shot blasting descaling machine, includes sand blasting room, screw conveyer, lifting machine, separator, supplies ball system, peening system, dust pelletizing system, electrical system and maintenance platform, ball sand collects hopper and screw conveyer intercommunication in the sand blasting room, screw conveyer's discharge end intercommunication to the pipeline end of lifting machine, the discharge gate of lifting machine communicates to the pan feeding mouth of separator, the lower extreme fixed mounting of separator supplies ball system and communicates with it, supplies ball system's discharge end to be connected to peening system, peening system supplies ball sand to the sand blasting pipe of sand blasting room through the pipeline, dust pelletizing system sets up in the rear of sand blasting room, is equipped with dust pelletizing pipeline between with the separator, maintenance platform locates the top of sand blasting room and dust pelletizing system through the fixed bolster, electrical system sets up in the side of sand blasting room, operation of each system of circuit control, its characterized in that: the sand blasting chamber comprises a main support, a shot blasting mechanism, an autorotation mechanism and a bottle supporting mechanism, wherein the main support comprises a base, a supporting upright post, a cross beam, a guide support, a shot and sand collecting hopper and a working platform, the supporting upright post is vertically and fixedly arranged on the base, the cross beam is erected and arranged at the top end of the supporting upright post, the working platform is fixedly arranged at the middle part of the main support, and the shot and sand collecting hopper is fixedly arranged below the working platform; the guide brackets are fixed on two sides of the main bracket at an inclined angle and are symmetrical to each other;

the shot blasting mechanism comprises a spray gun bracket, a pulley block, a pulley power set and a plurality of sand blasting pipes, wherein the pulley block comprises two groups of sliding frames which are symmetrical to each other, guide wheels are arranged on the inner side of each group of sliding frames, the two groups of sliding frames are respectively and slidably assembled on the two corresponding guide brackets, the spray gun bracket fixing frame is arranged on the two groups of sliding frames, the plurality of sand blasting pipes are respectively and vertically fixed on the spray gun bracket through spray gun supports, the lower ends of the sand blasting pipes are connected to a shot blasting system through hoses, and a tensioning frame is fixedly arranged on the inner sides of the sliding frames; the pulley power pack comprises a gear motor, a transmission shaft, a driving sprocket, a driven sprocket, a driving sprocket and a chain, wherein the gear motor is fixedly arranged on a base of a main support, the bottom end of a guide support is rotationally provided with a transmission shaft which transversely penetrates through, two end parts of the transmission shaft are respectively coaxially fixed with the driven sprocket, one end close to the installation position of the gear motor is coaxially fixed with the driving sprocket, the middle part of the guide support and the outer side of a working platform are fixedly provided with the driving sprocket, the tail end of a rotating shaft of the gear motor is coaxially fixed with the motor sprocket, the motor sprocket is connected with the driving sprocket through a first chain, the driven sprocket is connected with the driving sprocket through a second chain, two ends of the second chain are fixedly connected to a tensioning frame of a carriage around the driven sprocket and the driving sprocket, and a sand blasting pipe can be driven to be inserted into a steel cylinder from bottom to top.

2. The steel cylinder inner wall shot blasting machine according to claim 1, wherein: the self-rotation mechanism comprises a self-rotation power group and self-rotation brackets of a plurality of stations, the working platform is provided with a plurality of mounting holes, the self-rotation brackets are correspondingly arranged in each mounting hole, each self-rotation bracket comprises a supporting base, a bearing, a turntable and a driven belt wheel, the supporting base is fixedly arranged on the working platform through a connecting flange, and the inside of the supporting base is hollow and is coaxially fixed with the bearing; the lower half part of the turntable is inserted into the bearing, the upper half part of the turntable is arranged above the outside of the supporting base, and the driven belt wheel is coaxially sleeved at the upper middle part of the turntable; the self-rotation power group comprises a plurality of power motors, the power motors are fixed on a bracket beam arranged at the middle upper part of the guide bracket through motor brackets, driving pulleys are coaxially fixed at the output ends of the power motors, and the driving pulleys are connected to driven pulleys on the self-rotation bracket through belt transmission.

3. The steel cylinder inner wall shot blasting machine according to claim 2, wherein: the bottle supporting mechanism comprises a guide rod, an upper bottle supporting device and a lower bottle supporting device, wherein the guide rod is fixedly arranged between a cross beam at the top end of the guide bracket and the working platform, and the upper bottle supporting device and the lower bottle supporting device are both arranged on the guide rod in a sliding manner; the bottle lifting device comprises an upper bracket, a plurality of cylinders and a gland correspondingly arranged at the tail end of a telescopic rod of the cylinders, a sliding shaft sleeve is fixedly arranged at the rear side of the upper bracket and is coaxially sleeved on a guide rod, the cylinders are vertically fixed on the upper bracket, and the telescopic rod of the cylinders penetrates through the upper bracket downwards and is rotatably provided with the gland; the lower bottle supporting device comprises a fixing frame, a sliding frame, a plurality of riding wheels and a hand wheel, wherein the fixing frame is fixedly arranged on the front side of the sliding frame, a plurality of transverse sliding grooves are formed in the fixing frame, the riding wheels are arranged in the corresponding sliding grooves in a sliding mode through riding wheel supports, every two riding wheels are in a group, the distance between every two adjacent riding wheels can be adjusted, the sliding frame is slidably arranged on a guide rod, and the hand wheel is rotatably arranged at the rear of the sliding frame and can adjust and fix the position of the sliding frame relative to the guide rod.

4. The steel cylinder inner wall shot blasting machine according to claim 1, wherein: the support stand in the total support comprises four support stand columns which are two long and two short, the support stand columns are vertically fixed at four corners of the base respectively, wherein the two support stand columns are arranged on the front side of the base, the two support stand columns are arranged on the rear side of the base, and the work platform fixing frame is arranged on the top ends of the support stand columns and the middle of the support stand columns.

5. The steel cylinder inner wall shot blasting machine according to claim 2, wherein: the lower side wall of the pill sand collecting hopper is provided with a sand blasting pipe jack corresponding to the autorotation bracket, the sand blasting pipe can pass through the corresponding sand blasting pipe jack, a rubber sealing plate is fixedly arranged on the outer side of the sand blasting pipe jack, and a corresponding abrasion-resistant cone pipe guide is arranged on the inner side of the sand blasting pipe jack and coaxially arranged with the rotating disk of the autorotation bracket; the bottom of the pill sand collecting hopper is also provided with a plurality of overhaul windows, and an overhaul cover plate is arranged on the outer side of each overhaul window.

6. A steel cylinder inner wall shot blast machine according to claim 3, wherein: the included angle between the guide bracket and the base is 84 degrees, and the sand blasting pipe, the central axis of the autorotation bracket, the guide rod, the central line of the riding wheel rotating shaft, the telescopic rod of the air cylinder and the guide bracket are all parallel.

7. The steel cylinder inner wall shot blasting machine according to claim 1, wherein: the sand blasting pipe is made of steel pipes, is provided with various types with different lengths, and can be detachably replaced according to actual production requirements.

8. The steel cylinder inner wall shot blasting machine according to claim 2, wherein: the rotary table comprises an upper half part and a lower half part which are sequentially and fixedly connected, and are integrally formed, wherein the upper half part is funnel-shaped, a steel bottle inserting hole is formed in the upper half part, and a sealing cone support is arranged on the side wall of the funnel; the lower half part is hollow column, and a sand blasting pipe channel is arranged in the lower half part, a sheath is arranged in the sand blasting pipe channel, and the inner diameter of the sheath is larger than the outer diameter of the sand blasting pipe.

9. A steel cylinder inner wall shot blast machine according to claim 3, wherein: the anti-falling device is further arranged on the cross beam at the top end of the guide bracket and comprises a supporting arm and a catenary, the top end of the supporting arm is provided with a connecting hanging lug, the upper end of the catenary is hung on the connecting hanging lug, and the lower end of the catenary is connected to the upper bracket of the upper bottle supporting device.

10. The steel cylinder inner wall shot blasting machine according to claim 2, wherein: each power motor in the self-rotating power pack is capable of pulling at least one self-rotating bracket.