CN114454097B - Sheet metal part preparation device and preparation technology thereof - Google Patents
Sheet metal part preparation device and preparation technology thereof Download PDFInfo
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- CN114454097B CN114454097B CN202210091754.7A CN202210091754A CN114454097B CN 114454097 B CN114454097 B CN 114454097B CN 202210091754 A CN202210091754 A CN 202210091754A CN 114454097 B CN114454097 B CN 114454097B
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- sheet metal
- conveyor belt
- metal part
- sand blasting
- cavity
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Classifications
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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
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
- B24C3/083—Transfer or feeding devices; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
- B24C3/10—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating external surfaces
- B24C3/12—Apparatus using nozzles
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Belt Conveyors (AREA)
Abstract
The application relates to the field of sheet metal processes, in particular to a sheet metal part preparation device and a preparation process thereof, wherein the sheet metal part preparation device comprises a sand blasting cavity, a first conveyor belt, a second conveyor belt and a sand blasting mechanism; the first conveyor belt is used for conveying the sheet metal part to the inner cavity of the sand blasting cavity; the second conveyor belt is used for conveying the sheet metal parts falling from the first conveyor belt out of the side wall of the sand blasting cavity; the first conveyor belt and the second conveyor belt are distributed up and down in parallel, and a turnover gap for the sheet metal part to fall and turn over is reserved between the first conveyor belt and the second conveyor belt; the sand blasting mechanism comprises a plurality of spray guns for blasting sand to the sheet metal part; the spray gun is arranged in the inner cavity of the sand blasting cavity; the spray guns are arranged along the length direction of the first conveyor belt or the second conveyor belt; the nozzles of the part of the spray guns above the second conveyor are inclined towards the turning gap. The application has the effect of improving the sand blasting efficiency of the front and back surfaces of the sheet metal part.
Description
Technical Field
The application relates to the field of sheet metal processes, in particular to a sheet metal part preparation device and a sheet metal part preparation process.
Background
The metal plate is a processing technology and is characterized in that the thickness of the same part is consistent. The metal plate has the characteristics of light weight, high strength, conductivity, low cost, high mass production performance and the like, and is widely applied to the fields of electronic appliances, communication, automobile industry, medical appliances and the like.
The related art discloses a sheet metal part preparation process, wherein a cut steel plate is punched and bent to be formed. And then placing the bent semi-finished sheet metal part into a full-automatic sand blasting machine, removing impurities and oxide layers on the surface of the sheet metal part, coarsening the surface of the sheet metal part, and increasing the adhesive force between the sheet metal part and the coating. And then the paint is sprayed on the surface of the sheet metal part and dried, so that the sheet metal part can be processed.
The full-automatic sand blasting machine mainly comprises a sand blasting cavity, a conveying belt and a sand blasting mechanism, wherein the conveying belt penetrates through the sand blasting cavity, the conveying belt is used for conveying sheet metal parts to pass through the inner cavity of the sand blasting cavity, the sand blasting mechanism is provided with a plurality of spray guns used for sand blasting and a swinging assembly used for driving the spray guns to swing in the sand blasting cavity, and the spray guns are arranged along the conveying direction of the conveying belt. After the sheet metal part is conveyed into the sand blasting cavity by the conveyor belt, the sand blasting effect of the surface of the sheet metal part is achieved through the swinging spray gun.
When the front and back surfaces of the sheet metal part are required to be sandblasted, the front surface of the sheet metal part is required to be sandblasted, after the front surface of the sheet metal part is conveyed to the discharge end by the conveyor belt, an operator turns over the sheet metal part, the turned-over sheet metal part is placed at the feed end of the conveyor belt, the sandblasting operation of the back surface of the sheet metal part can be performed, and the front and back surface sandblasting efficiency of the sheet metal part is required to be improved.
Disclosure of Invention
The application provides a sheet metal part preparation device and a sheet metal part preparation process for improving sand blasting efficiency of front and back surfaces of a sheet metal part.
In a first aspect, the application provides a sheet metal part preparation device, which adopts the following technical scheme:
a sheet metal part preparation device comprises a sand blasting cavity, a first conveyor belt, a second conveyor belt and a sand blasting mechanism; the first conveyor belt is used for conveying the sheet metal part to the inner cavity of the sand blasting cavity; the second conveyor belt is used for conveying sheet metal parts falling from the first conveyor belt out of the side wall of the sand blasting cavity; the first conveyor belt and the second conveyor belt are distributed up and down in parallel, and a turnover gap for the sheet metal part to fall and turn over is reserved between the first conveyor belt and the second conveyor belt;
the sand blasting mechanism comprises a plurality of spray guns for blasting sand to the sheet metal parts; the spray gun is arranged in the inner cavity of the sand blasting cavity; the spray guns are arranged along the length direction of the first conveyor belt or the second conveyor belt; a portion of the spray gun above the second conveyor belt has its nozzle tilted toward the turning gap.
Through adopting above-mentioned technical scheme, when needs carry out the sandblast operation to the sheet metal component, start first conveyer belt, second conveyer belt and sandblast mechanism earlier, then operating personnel place the sheet metal component on the defeated material surface of first conveyer belt, along with the transportation of first conveyer belt, the sheet metal component passes into the inner chamber in sandblast chamber, and the spray gun carries out the sandblast to the sheet metal component on first conveyer belt defeated material surface. When the sheet metal part flows to the discharge end of the first conveyor belt, the sheet metal part is inclined in a suspending manner, the spraying gun above the second conveyor belt sprays sand on the inclined part of the sheet metal part in a suspending manner, the inclined part of the sheet metal part is forced to approach the material conveying surface of the first conveyor belt, the sheet metal part is forced to overturn between the first conveyor belt and the second conveyor belt, and the sheet metal part after the overturning surface is continuously sprayed with sand along with the conveying of the second conveyor belt and the spraying gun, so that the effect of front and back surface sand spraying of the sheet metal part is realized. Compared with the traditional method that auxiliary turning is needed, the automatic turning effect of the sheet metal part in the sand blasting cavity is achieved through the conveying of the first conveying belt and the second conveying belt and the blowing of the spray gun, the manual turning step is reduced, the sand blasting time of the front side and the back side of the sheet metal part is shortened, and therefore sand blasting efficiency of the front side and the back side of the sheet metal part is improved.
Optionally, the device further comprises a third conveyor belt and a bearing plate for forcing the sheet metal part to turn over; the third conveyor belt is obliquely arranged in the inner cavity of the sand blasting cavity, and the feeding end of the third conveyor belt is positioned above the discharging end of the third conveyor belt; the discharge end of the third conveyor belt is positioned in the overturning gap; a channel for a sheet metal part to pass through is reserved between the first conveyor belt and the third conveyor belt, and the conveying direction of the first conveyor belt is opposite to that of the third conveyor belt; a channel for the sheet metal part to pass through is also reserved between the second conveyor belt and the third conveyor belt; the bearing plate is arranged in the sand blasting cavity; the bearing plate is used for bearing sheet metal parts falling from the third conveyor belt; a limiting block is arranged on the surface of the bearing plate; the limiting block is used for limiting the sheet metal part positioned on the surface of the bearing plate to slide out of the bearing plate; the second conveyor belt is used for conveying the sheet metal part on the surface of the bearing plate out of the inner cavity of the sand blasting cavity.
Through adopting above-mentioned technical scheme, along with the transport of first conveyer belt, the sheet metal component removes to the discharge end of first conveyer belt gradually. When the sheet metal part flows to the discharge end of the first conveyor belt, the sheet metal part is inclined in a suspending way, the continuous conveying of the first conveyor belt forces the sheet metal part to prop against the conveying surface of the third conveyor belt, the sheet metal part propping against the surface of the third conveyor belt moves along with the continuous conveying of the third conveyor belt in the conveying direction of the third conveyor belt, and the sheet metal part is separated from the first conveyor belt and is dumped to the conveying surface of the third conveyor belt. Along with the transportation of third conveyer belt, sheet metal component part will support in the surface of bearing board and the surface of third conveyer belt discharge end, and then sheet metal component supports the part on bearing board surface and slides at the surface of bearing board, and the sheet metal component will fall to the surface of bearing board, accomplishes the effect that the sheet metal component turned over in the sandblast chamber. Along with the continuous conveying of the second conveyor belt, the sheet metal part on the surface of the bearing plate is dragged by the second conveyor belt and moves to the conveying surface of the second conveyor belt, the second conveyor belt conveys the sheet metal part out of the side wall of the sand blasting cavity, and in the process of conveying the sheet metal part by the second conveyor belt, the spray gun performs sand blasting operation on the sheet metal part on the surface of the second conveyor belt, and the front and back sand blasting operation of the sheet metal part is completed. Through third conveyer belt and bearing board, improve the stability of sheet metal component upset in the sandblast intracavity, make the sheet metal component homoenergetic of different models overturn in the sandblast intracavity simultaneously, improve the adaptability of this preparation facilities adaptation different models sheet metal component.
Optionally, an arc transition is arranged between the limiting block and the bearing plate; the arc transition is provided with a concave surface for the sheet metal part to butt against.
Through adopting above-mentioned technical scheme, when the sheet metal component emptys to the surface of bearing board, through the guide of concave surface, the sheet metal component is empting the back, and the sheet metal component will slide one section distance to the second conveyer belt, increases the area of contact on sheet metal component and the second conveyer belt conveying surface on bearing board surface to improve the efficiency that the second conveyer belt drove the sheet metal component and break away from the bearing board.
Optionally, a through hole is formed on the surface of the bearing plate.
Through adopting above-mentioned technical scheme, the introduction of through-hole for the spray gun is when the sandblast, and the sand grain can pass through the through-hole, reduces the risk that the bearing board surface piled up the sand grain, thereby reduces the sand grain and obstructs the gliding risk in bearing board surface of sheet metal component.
Optionally, the through holes extend along the length direction of the second conveyor belt; the limiting block is connected to the surface of the bearing plate in a sliding manner along the length direction of the through hole; the limiting block is in threaded connection with a limiting bolt penetrating through the through hole; the limit bolt is used for fixing the sliding position of the limit block relative to the bearing plate.
Through adopting above-mentioned technical scheme, the introduction of limit bolt not only realizes the effect of dismantling the connection between stopper and the bearing board, is convenient for install between stopper and the bearing board to and follow-up maintenance to the stopper. Simultaneously, the position of the limiting block relative to the bearing plate is convenient to change, so that the bearing plate and the limiting block are suitable for sheet metal parts of different models.
Optionally, a plurality of pushing blocks are arranged on the material conveying surface of the third conveyor belt, and the pushing blocks are used for abutting the sheet metal part; the pushing blocks are arranged at intervals along the length direction of the third conveyor belt.
Through adopting above-mentioned technical scheme, when the sheet metal component drops to the defeated material surface of third conveyer belt from first conveyer belt, along with the continuous transport of third conveyer belt, the kicker will promote the discharge end of sheet metal component to third conveyer belt, reduces the sliding friction between sheet metal component and the third conveyer belt, improves the efficiency of sheet metal component in the sand blasting intracavity turn-over.
Optionally, a plurality of lifting blocks are arranged on the material conveying surface of the second conveyor belt; the lifting block is used for abutting the sheet metal part; the lifting blocks are distributed at intervals along the conveying surface of the second conveyor belt.
Through adopting above-mentioned technical scheme, the introduction of lifting piece, when the second conveyer belt lasts the transport operation, the lifting piece will be located the sheet metal component lifting on bearing plate surface, reduces sheet metal component and bearing plate's area of contact, improves the efficiency that the second conveyer belt drags the sheet metal component that is located bearing plate surface to improve the sand blasting efficiency of sheet metal component front and back.
Optionally, the lifting block has elasticity.
Through adopting above-mentioned technical scheme, when the sheet metal component lifting that the lifting piece will be located the bearing board surface, lifting piece elastic deformation increases the area of contact of lifting piece and sheet metal component to further improve the efficiency that the second conveyer belt drags the sheet metal component that is located the bearing board surface, and then further improve the sand blasting efficiency of sheet metal component positive and negative.
Optionally, a plurality of material blocks are arranged on the material conveying surface of the first conveyor belt, and the material blocks are used for abutting the sheet metal parts; a plurality of material blocks are arranged at intervals along the length direction of the first conveyor belt; and a placing gap for placing the sheet metal part is reserved between the adjacent material blocks.
Through adopting above-mentioned technical scheme, through polylith material piece and placing the clearance, be convenient for operating personnel place a plurality of sheet metal parts in order in the surface of first conveyer belt, reduce adjacent sheet metal parts mutual interference simultaneously and lead to the risk that the sheet metal part turn-over failed.
In a second aspect, the application provides a sheet metal part preparation process which adopts the following technical scheme:
a sheet metal part preparation process comprises the following steps:
raw material processing, namely cutting a raw material metal plate into a set shape;
sheet metal machining, namely punching and bending the sheared and formed metal plate by using a punch and a bending machine;
welding and forming, namely welding and forming a sheet metal part, and then removing welding spatter, polishing and shaping;
surface treatment, the front and back surfaces of the sheet metal part are sandblasted by using the sheet metal part preparation device.
Through adopting above-mentioned technical scheme, the sheet metal component is after the welding shaping, through the process of sandblast, reduces the rough risk of sheet metal component surface that leads to in the welding process, realizes the effect of sheet metal component surface finish grinding, improves the roughness on sheet metal component surface, sheet metal component preparation facilities simultaneously, improves the sandblast efficiency of sheet metal component positive and negative to improve the production efficiency of sheet metal component.
In summary, the present application includes at least one of the following beneficial technical effects:
compared with the traditional method requiring manual auxiliary turning, the automatic turning effect of the sheet metal part in the sand blasting cavity is realized through the conveying of the first conveying belt and the second conveying belt and the injection of the injection gun, the manual turning step is reduced, the sand blasting time of the front side and the back side of the sheet metal part is shortened, and the sand blasting efficiency of the front side and the back side of the sheet metal part is improved;
through the third conveyor belt and the bearing plate, the overturning stability of the sheet metal parts in the sand blasting cavity is improved, meanwhile, the sheet metal parts of different types can be overturned in the sand blasting cavity, and the adaptability of the preparation device to the sheet metal parts of different types is improved;
sheet metal component is after the welding shaping, through the process of sandblast, reduces the rough risk of sheet metal component surface that leads to in the welding process, realizes the effect of sheet metal component surface finish grinding, improves sheet metal component surface's roughness, sheet metal component preparation facilities simultaneously improves the sandblast efficiency of sheet metal component positive and negative to improve the production efficiency of sheet metal component.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a sheet metal part manufacturing apparatus.
Fig. 2 is a schematic view showing the position of a third conveyor belt of a sheet metal part preparation apparatus.
Fig. 3 is a schematic view for showing a state in which a sheet metal part is turned over by a sheet metal part preparation apparatus.
Fig. 4 is a schematic view showing the position of a turn-over motor of a sheet metal part preparation apparatus.
Fig. 5 is an enlarged view of a portion a of fig. 2.
Fig. 6 is a process flow diagram of a sheet metal part manufacturing process.
Reference numerals illustrate: 1. a blasting chamber; 12. a dust cover; 13. storing a sand box; 14. a cyclone separator; 15. a sand storage box; 16. a compressed air bag; 2. a first conveyor belt; 21. a frame; 22. a rotating roller; 23. a driving motor; 24. a rubber mesh belt; 25. a mass of material; 26. placing a gap; 3. a second conveyor belt; 31. lifting blocks; 4. a third conveyor belt; 41. a conveying roller; 42. a turn-over motor; 43. a plastic mesh belt; 44. a pushing block; 5. a bearing plate; 51. a through hole; 6. a sand blasting mechanism; 61. a spray gun; 62. a swing assembly; 7. overturning the gap; 8. a limiting block; 81. arc transition; 82. a concave surface; 9. and a limit bolt.
Detailed Description
The application is described in further detail below with reference to fig. 1-6.
The full-automatic sand blasting machine mainly comprises a sand blasting cavity, a conveyor belt and a sand blasting mechanism, wherein the sand blasting mechanism is provided with a plurality of spray guns for sand blasting and a swinging assembly for driving the spray guns to swing in the sand blasting cavity. After the sheet metal part is conveyed to the sand blasting cavity by the conveying belt, the sand blasting effect of the surface of the sheet metal part is achieved through the swinging spray gun, sand blasting of the front side and the back side of the sheet metal part is required, and the overturning is required to be performed manually.
The embodiment of the application discloses a sheet metal part preparation device which is used for realizing the effect of automatically sandblasting the front side and the back side of a sheet metal part and improving the sandblasting efficiency of the front side and the back side of the sheet metal part.
Referring to fig. 1 and 2, a sheet metal part preparation device comprises a sand blasting cavity 1, a first conveyor belt 2, a second conveyor belt 3, a third conveyor belt 4, a supporting plate 5 and a sand blasting mechanism 6, wherein the first conveyor belt 2 is used for conveying sheet metal parts to the inner cavity of the sand blasting cavity 1, the third conveyor belt 4 is used for forcing the sheet metal parts to overturn in the sand blasting cavity 1, the supporting plate 5 is used for bearing the overturned sheet metal parts, and the second conveyor belt 3 is used for conveying the sheet metal parts on the surface of the supporting plate 5 out of the inner cavity of the sand blasting cavity 1. The sand blasting mechanism 6 performs sand blasting on the sheet metal parts on the material conveying surfaces of the first conveyor belt 2 and the second conveyor belt 3, and achieves the effect of sand blasting on the front side and the back side of the sheet metal parts.
Referring to fig. 1, specifically, dust covers 12 are welded and fixed to side walls of the sandblasting cavity 1 facing away from each other, and the first conveyor belt 2 and the second conveyor belt 3 pass through the dust covers 12. The top bolt of the sand blasting cavity 1 is connected with a sand storage box 13 connected with the sand blasting mechanism 6, the top bolt of the sand storage box 13 is connected with a cyclone separator 14, and the cyclone separator 14 is communicated and fixed with a set of dust collectors of the sand blasting machine. The cyclone 14 automatically recovers the sand for recycling and effectively separates the sand from dust, reducing abrasive loss. The bottom integrated into one piece in sandblast chamber 1 has a sand storage box 15, and sand storage box 15 is linked together with the inner chamber in sandblast chamber 1, and sand storage box 15 is linked together with cyclone 14 through the return sand pipeline, realizes the cyclic utilization of sand material.
Referring to fig. 3, the first conveyor belt 2 and the second conveyor belt 3 are arranged in parallel up and down, and a turnover gap 7 for the sheet metal part to fall and turn is reserved between the first conveyor belt 2 and the second conveyor belt 3. The first conveyor belt 2 and the second conveyor belt 3 are similar in structure and the same in transport direction, and the structure of the second conveyor belt 3 is similarly available taking the structure of the first conveyor belt 2 as an example.
Referring to fig. 1, the first conveyor belt 2 includes a frame 21, two rotating rollers 22, a driving motor 23 bolted to the outer wall of the blasting chamber 1, and a rubber mesh belt 24 wound around the circumferential sides of the two rotating rollers 22, and the frame 21 is welded and fixed to the outer side wall of the blasting chamber 1. Two rotating rollers 22 are arranged in parallel, one is rotationally connected to the inner wall of the sand blasting cavity 1, and the other is rotationally connected to the frame 21. The driving motor 23 is fixed on the frame 21 by bolts, and a rotating shaft coupler of the driving motor 23 is connected with a rotating roller 22 positioned on the frame 21. The plastic conveyor belt is used for placing sheet metal parts. The frame 21 of the second conveyor belt 3 and the frame 21 of the first conveyor belt 2 are located at the side walls of the blasting chamber 1, respectively, remote from each other.
Referring to fig. 1 and 3, a plurality of material blocks 25 are fixedly adhered to the material conveying surface of the rubber mesh belt 24 of the first conveyor belt 2, the plurality of material blocks 25 are abutted by sheet metal parts, the material blocks 25 are arranged in an extending manner along the width direction of the first conveyor belt 2, and the cross section of the material blocks 25 is semicircular. The plurality of material blocks 25 are arranged at intervals along the length direction of the first conveyor belt 2, and a placing gap 26 for placing sheet metal parts is reserved between adjacent material blocks 25. And the material conveying surface bonding of the rubber net belt 24 of the second conveyor belt 3 is fixed with a plurality of lifting blocks 31, the lifting blocks 31 extend along the width direction of the second conveyor belt 3, the lifting blocks 31 are elastic, the material of the lifting blocks 31 is made of rubber, and the plurality of lifting blocks 31 are distributed at intervals along the length direction of the second conveyor belt 3.
Referring to fig. 3 and 4, the third conveyor belt 4 includes two conveying rollers 41 rotatably connected to the inner wall of the sandblasting cavity 1, a turn-over motor 42 bolted to the outer wall of the sandblasting cavity 1, and a plastic mesh belt 43 wound around the peripheral sides of the two conveying rollers 41, wherein the combined structure of the two conveying rollers 41 and the plastic mesh belt 43 is obliquely disposed in the sandblasting cavity 1, so that the discharge end of the third conveyor belt 4 is located below the feed end of the third conveyor belt 4, and the discharge end of the third conveyor belt 4 is located in the turn-over gap 7. A channel for the sheet metal part to pass through is reserved between the first conveyor belt 2 and the third conveyor belt 4, the feeding direction of the first conveyor belt 2 is opposite to the feeding direction of the third conveyor belt 4, and a channel for the sheet metal part to pass through is reserved between the second conveyor belt 3 and the third conveyor belt 4. The turn-over motor 42 is coupled to the conveying roller 41. A plurality of push blocks 44 are fixedly adhered to the material conveying surface of the plastic mesh belt 43, and the push blocks 44 are used for abutting the sheet metal frame. The pushing blocks 44 extend along the width direction of the third conveyor belt 4, and a plurality of pushing blocks 44 are arranged at intervals along the length direction of the third conveyor belt 4.
Referring to fig. 3 and 5, the support plate 5 is provided to extend in the width direction of the first conveyor belt 2 or the second conveyor belt 3. Both sides of the bearing plate 5, which are far away from each other, are connected to the side wall of the sand blasting cavity 1 by bolts. The surface of the supporting plate 5 is provided with a plurality of through holes 51 in a penetrating manner, the through holes 51 are arranged at intervals along the width direction of the second conveyor belt 3, and the through holes 51 extend along the length direction of the second conveyor belt 3.
Referring to fig. 3 and 5, a stopper 8 is provided on the surface of the support plate 5, and the stopper 8 is slidably coupled to the surface of the support plate 5 in the length direction of the through hole 51. The limiting block 8 is in threaded connection with a limiting bolt 9 penetrating through the through hole 51, and the limiting bolt 9 is used for fixing the sliding position of the limiting block 8 relative to the bearing plate 5. The stopper 8 extends along the width direction of the first conveyor belt 2 or the second conveyor belt 3 and is arranged, the stopper 8 is used for limiting the sheet metal part located on the surface of the bearing plate 5 to slide out of the bearing plate 5, one side of the stopper 8 facing the second conveyor belt 3 is provided with an arc transition 81, a concave surface 82 is formed between the stopper 8 and the bearing plate 5, and the concave surface 82 is used for the sheet metal part to butt. The purpose of designing concave surface 82 is when the sheet metal component emptys to the surface of bearing board 5, through the guide of concave surface 82, and the sheet metal component is empting the back, and the sheet metal component will slide a distance to second conveyer belt 3, increases the sheet metal component on bearing board 5 surface and the area of contact on the defeated material surface of second conveyer belt 3, improves the efficiency that second conveyer belt 3 drove the sheet metal component and break away from bearing board 5.
Referring to fig. 4 and 5, the blasting mechanism 6 includes a plurality of blasting guns 61 and a swing assembly 62 for driving the plurality of blasting guns 61 to swing reciprocally in the blasting chamber 1, wherein the plurality of blasting guns 61 are all connected to the sand storage box 13 and the compressed air bag 16 bolted to the top of the blasting chamber 1, and the blasting guns 61 are located above the first conveyor belt 2. The plurality of spray guns 61 are arranged at intervals along the length direction of the first conveyor belt 2 or the second conveyor belt 3, the spray guns 61 are used for spraying sand to sheet metal parts, a gun body of each spray gun 61 is made of aluminum alloy, high-quality wear-resistant boron carbide nozzles are matched, and the spraying distance, the angle and the position can be regulated and controlled according to the product sand spraying requirements. The swinging assembly 62 is a swinging device known to an automatic sand blaster, and a person skilled in the art can refer to an operation manual of the automatic sand blaster and related mechanical manual to know the structure of the swinging assembly 62, which is not described in detail in this embodiment.
With reference to fig. 5, it should be noted that the nozzles of the partial spray guns 61 above the second conveyor belt 3 are inclined toward the turning gap 7 to accelerate the pouring of the sheet metal parts onto the feeding surface of the third conveyor belt 4.
The implementation principle of the sheet metal part preparation device provided by the embodiment of the application is as follows: when the blast operation of the sheet metal part is performed, the driving motor 23, the turn-over motor 42 and the blast mechanism 6 are started, and the sheet metal part is gradually moved to the discharge end of the first conveyor belt 2 along with the conveyance of the first conveyor belt 2, and the blast gun 61 performs the blast operation on the front surface of the sheet metal part.
When the sheet metal part flows to the discharge end of the first conveyor belt 2, the sheet metal part is inclined in a suspending manner, the continuous conveying of the first conveyor belt 2 forces the sheet metal part to prop against the conveying surface of the third conveyor belt 4, the sheet metal part propping against the surface of the third conveyor belt 4 moves along with the continuous conveying of the third conveyor belt 4 in the conveying direction of the third conveyor belt 4, a part of nozzles above the second conveyor belt 3 sand-blast the sheet metal part in an inclined state, and the sheet metal part is separated from the first conveyor belt 2 and is dumped to the conveying surface of the third conveyor belt 4.
Along with the conveying of the third conveyor belt 4, the sheet metal part is propped against the surface of the supporting plate 5 and the surface of the discharge end of the third conveyor belt 4, so that the sheet metal part spans between the supporting plate 5 and the third conveyor belt 4, the continuous rotation of the third conveyor belt 4 causes the sheet metal part to slide on the surface of the supporting plate 5, the sheet metal part is propped against the surface of the supporting plate 5, and the sheet metal part is reversely arranged on the surface of the supporting plate 5, thereby completing the effect of overturning the sheet metal part in the sand blasting cavity 1.
Along with the rotation of the second conveyor belt 3, the lifting block 31 lifts and moves the sheet metal part on the surface of the bearing plate 5 to the material conveying surface of the second conveyor belt 3, the second conveyor belt 3 conveys the sheet metal part to the outside of the side wall of the sand blasting cavity 1, and in the process of conveying the sheet metal part by the second conveyor belt 3, the spray gun 61 performs sand blasting operation on the sheet metal part on the surface of the second conveyor belt 3, and the front and back sand blasting operation of the sheet metal part is completed.
The embodiment also discloses a preparation process of the sheet metal part.
Referring to fig. 6, a process for preparing a sheet metal part includes the steps of:
s1: and (3) raw material treatment: a. raw material purchase. b. Cutting a raw material metal plate, performing laser numerical control cutting, performing plasma numerical control cutting, performing oxyacetylene flame numerical control cutting, performing sawing machine cutting, and shearing a plate by a shearing machine to enable the metal plate to be sheared and formed into a set shape.
S2: sheet metal machining: a. and (3) punching the cut steel plate by using a punch press and a numerical control punch press. b. And bending and profiling the punched steel plate by using a bending machine. c. And drilling and modeling the bent and profiled sheet metal part by using a clamp bed.
S3: welding and forming: a. spot welding the sheet metal part by using a spot welder, welding and forming by using carbon dioxide gas shielded welding, metal core MAG mixed gas shielded welding, argon arc welding. b. And (5) removing welding spatter, polishing and shaping.
S4: surface treatment: a. the sheet metal part preparation device is used for carrying out sand blasting on the front side and the back side of the sheet metal part, and the oxide scale is removed for pretreatment. b. And (3) carrying out an electrophoresis process on the pretreated sheet metal part. c. And (5) paint spraying is carried out on the surface of the sheet metal part. d. And transferring the sheet metal part to a paint drying room for drying.
S5: and (3) assembling and forming: a. and (5) back threading, beating silica gel, and assembling and forming.
S6: and (5) warehousing and packaging.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. Sheet metal component preparation facilities, its characterized in that: the device comprises a sand blasting cavity (1), a first conveyor belt (2), a second conveyor belt (3), a sand blasting mechanism (6), a third conveyor belt (4) for forcing the sheet metal part to turn over and a bearing plate (5); the first conveyor belt (2) is used for conveying the sheet metal part to the inner cavity of the sand blasting cavity (1); the second conveyor belt (3) is used for conveying sheet metal parts falling from the first conveyor belt (2) out of the side wall of the sand blasting cavity (1); the first conveyor belt (2) and the second conveyor belt (3) are distributed in parallel up and down, and a turnover gap (7) for the sheet metal parts to fall and turn is reserved between the first conveyor belt (2) and the second conveyor belt (3);
the sand blasting mechanism (6) comprises a plurality of spray guns (61) for blasting the sheet metal parts; the spray gun (61) is arranged in the inner cavity of the sand blasting cavity (1); the plurality of spray guns (61) are arranged along the length direction of the first conveyor belt (2) or the second conveyor belt (3); -the nozzles of the part of the spray guns (61) above the second conveyor belt (3) are inclined towards the turning gap (7);
the third conveyor belt (4) is obliquely arranged in the inner cavity of the sand blasting cavity (1), and the feeding end of the third conveyor belt (4) is positioned above the discharging end of the third conveyor belt (4); the discharge end of the third conveyor belt (4) is positioned in the overturning gap (7); a channel for a sheet metal part to pass through is reserved between the first conveyor belt (2) and the third conveyor belt (4), and the conveying direction of the first conveyor belt (2) is opposite to that of the third conveyor belt (4); a channel for the sheet metal part to pass through is reserved between the second conveyor belt (3) and the third conveyor belt (4); the bearing plate (5) is arranged in the sand blasting cavity (1); the supporting plate (5) is used for supporting sheet metal parts falling from the third conveyor belt (4); a limiting block (8) is arranged on the surface of the supporting plate (5); the limiting block (8) is used for limiting the sheet metal part positioned on the surface of the bearing plate (5) to slide out of the bearing plate (5); the second conveyor belt (3) is used for conveying sheet metal parts on the surface of the bearing plate (5) out of the inner cavity of the sand blasting cavity (1).
2. The sheet metal part manufacturing device according to claim 1, wherein: an arc transition (81) is arranged between the limiting block (8) and the bearing plate (5); the arc transition (81) is provided with a concave surface (82) for the sheet metal part to abut against.
3. The sheet metal part manufacturing device according to claim 1, wherein: through holes (51) are formed in the surface of the supporting plate (5) in a penetrating mode.
4. A sheet metal part production device according to claim 3, characterized in that: the through holes (51) are arranged in an extending mode along the length direction of the second conveyor belt (3); the limiting block (8) is connected to the surface of the bearing plate (5) in a sliding manner along the length direction of the through hole (51); the limiting block (8) is in threaded connection with a limiting bolt (9) penetrating through the through hole (51); the limiting bolt (9) is used for fixing the sliding position of the limiting block (8) relative to the bearing plate (5).
5. The sheet metal part manufacturing device according to claim 1, wherein: a plurality of pushing blocks (44) are arranged on the material conveying surface of the third conveyor belt (4), and the pushing blocks (44) are used for abutting the sheet metal parts; the pushing blocks (44) are arranged at intervals along the length direction of the third conveyor belt (4).
6. The sheet metal part manufacturing device according to claim 1, wherein: a plurality of lifting blocks (31) are arranged on the material conveying surface of the second conveyor belt (3); the lifting block (31) is used for abutting the sheet metal part; the lifting blocks (31) are distributed and arranged at intervals along the feeding surface of the second conveyor belt (3).
7. The sheet metal part manufacturing device of claim 6, wherein: the lifting block (31) has elasticity.
8. The sheet metal part manufacturing device according to claim 1, wherein: a plurality of material blocks (25) are arranged on the material conveying surface of the first conveyor belt (2), and the material blocks (25) are used for abutting the sheet metal parts; a plurality of material blocks (25) are arranged at intervals along the length direction of the first conveyor belt (2); a placing gap (26) for placing the sheet metal part is reserved between the adjacent material blocks (25).
9. The preparation process of the sheet metal part is characterized by comprising the following steps of:
raw material processing, namely cutting a raw material metal plate into a set shape;
sheet metal machining, namely punching and bending the sheared and formed metal plate by using a punch and a bending machine;
welding and forming, namely welding and forming a sheet metal part, and then removing welding spatter, polishing and shaping;
surface treatment, the front and back surfaces of the sheet metal part are sandblasted by using the sheet metal part preparation device of any one of claims 1 to 8.
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| CN202210091754.7A CN114454097B (en) | 2022-01-26 | 2022-01-26 | Sheet metal part preparation device and preparation technology thereof |
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| CN202210091754.7A CN114454097B (en) | 2022-01-26 | 2022-01-26 | Sheet metal part preparation device and preparation technology thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115502900A (en) * | 2022-10-18 | 2022-12-23 | 青岛深特机械有限公司 | Production process of gymnasium counterweight plate |
| CN116141211B (en) * | 2023-03-24 | 2024-04-02 | 广东创智智能装备有限公司 | Automatic sand blasting production system for cooker |
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