阅读说明：本技术 一种用于变压器制造的钢板预处理装置及工艺 (Steel plate pretreatment device and process for transformer manufacturing ) 是由 夏敬军 陈闯 沈文俊 陈伟焕 叶全梯 娄炤烜 唐文才 于 2020-12-09 设计创作，主要内容包括：本发明涉及变压器制造技术领域,尤其涉及一种用于变压器制造的钢板预处理装置,包括外壳,所述外壳的底部一侧固定连接有送料台,所述送料台的顶部固定安装有送料履带,所述外壳的顶部固定连接有第一液压气缸,所述第一液压气缸的液压杆底部一侧螺纹连接有切割台,所述切割台的底部固定连接有切割刀,所述送料台的一侧转动连接有下挤压轮,本发明操作方便,将切割、抛丸、喷漆和烘干结为一体,而且采用同时双面抛丸和同时双面喷漆的设计,在变压器铁芯制造中,不仅提高了钢片的抗腐蚀性和抗疲劳性,同时提高了生产效率,减少了抛丸到喷漆之间钢片与空气接触的时间,减小钢片表面的氧化。(The invention relates to the technical field of transformer manufacturing, in particular to a steel plate pretreatment device for transformer manufacturing, which comprises a shell, wherein one side of the bottom of the shell is fixedly connected with a feeding table, the top of the feeding table is fixedly provided with a feeding crawler, the top of the shell is fixedly connected with a first hydraulic cylinder, one side of the bottom of a hydraulic rod of the first hydraulic cylinder is in threaded connection with a cutting table, the bottom of the cutting table is fixedly connected with a cutting knife, one side of the feeding table is rotatably connected with a lower extrusion wheel, the steel plate pretreatment device is convenient to operate, integrates cutting, shot blasting, paint spraying and drying into a whole, adopts the design of simultaneous double-sided shot blasting and simultaneous double-sided paint spraying, improves the corrosion resistance and fatigue resistance of a steel plate, improves the production efficiency and reduces the contact time between shot blasting and paint spraying between the steel plate and air in the manufacturing of, reduce the oxidation of the steel sheet surface.)

1. A steel plate pretreatment device for transformer manufacturing comprises a shell (1) and is characterized in that one side of the bottom of the shell (1) is fixedly connected with a feeding table (2), a feeding crawler belt (3) is fixedly installed at the top of the feeding table (2), a first hydraulic cylinder (4) is fixedly connected with the top of the shell (1), one side of the bottom of a hydraulic rod of the first hydraulic cylinder (4) is in threaded connection with a cutting table (5), the bottom of the cutting table (5) is fixedly connected with a cutting knife (28), one side of the feeding table (2) is rotatably connected with a lower extrusion wheel (9), the top of the lower extrusion wheel (9) and the top of the feeding crawler belt (3) are at the same height, a second hydraulic cylinder (6) is fixedly connected with the top of the shell (1), and a cross rod (32) is fixedly connected with the bottom of the hydraulic rod of the second hydraulic cylinder (6), the two ends of the cross rod (32) are fixedly connected with supporting rods (7), the two supporting rods (7) are connected with an upper extrusion wheel (8) in a rotating mode, the upper extrusion wheel (8) is located above a lower extrusion wheel (9), the bottom of the shell (1) is fixedly connected with a shot blasting chamber (11), the shot blasting chamber (11) is located on one side of the feeding table (2), the bottom of the shell (1) is fixedly connected with a paint spraying chamber (15), the paint spraying chamber (15) is located on one side of the shot blasting chamber (11), the bottom of the shell (1) is fixedly connected with a drying chamber (16), the drying chamber (16) is located on one side of the paint spraying chamber (15), the bottom of the shell (1) is fixedly connected with a discharging table (18), the discharging table (18) is located on one side of the drying chamber (16), and the top of the discharging table (18) is fixedly connected with a discharging crawler (19), the shot blasting machine comprises a shot blasting chamber (11), a paint spraying chamber (15) and a drying chamber (16), wherein a plurality of transmission assemblies are fixedly connected to the centers of two sides of the shot blasting chamber (11), two motors (10) are fixedly connected to the inner sides of the top and the bottom of the shot blasting chamber (11), shot blasting wheels (21) are fixedly connected to the output shafts of the four motors (10), shot blasting covers (20) are arranged outside the shot blasting wheels (21), the shot blasting covers (20) are respectively and fixedly connected to the top and the bottom of the shot blasting chamber (11), rectangular through holes are formed in one sides, facing the inner part of the shot blasting chamber (11), of the shot blasting covers (20), a shot discharging pipe (22) is fixedly connected to one side, away from the motors (10), of the shot discharging pipe (22), a first shot blasting machine (25) is fixedly connected to one end, away from the shot blasting wheels (21), of the first shot blasting machine (25, the shot blasting machine is characterized in that small steel shots are filled in the steel shot box (24), a second shot sucking machine (26) is fixedly arranged at the bottom of the shot blasting chamber (11), the second shot sucking machine (26) is fixedly connected with a shot inlet pipe (23), one end of the shot inlet pipe (23) far away from the second shot sucking machine (26) is fixedly connected to the top of the steel shot box (24), the top and the bottom of the paint spraying chamber (15) are fixedly connected with paint spraying components, and the top and the bottom of the drying chamber (16) are fixedly connected with drying components.

2. The steel plate pretreatment device for transformer manufacturing according to claim 1, wherein a motor protection box (29) is fixedly connected to the outer side of the motor (10), a through hole is formed in the motor protection box (29), and the through hole is communicated with a rectangular through hole in the shot blasting cover (20).

3. The steel plate pretreatment device for transformer manufacturing according to claim 1, wherein the transmission assembly comprises two baffles (31), each baffle (31) is fixedly connected with a round rod (30), the round rods (30) are rotatably connected with three cylinders (12), and the cylinders (12) have the same rotating speed as the feeding crawler (3) and the discharging crawler (19).

4. The steel plate pretreatment device for transformer manufacturing according to claim 1, wherein the cutting table (5) is in threaded connection with the first hydraulic cylinder (4), and the cutting table (5) can be replaced according to the size of the steel plate.

5. The steel plate pretreatment device for transformer manufacturing according to claim 1, wherein the paint spraying assembly comprises two paint spraying pipes (13), one ends of the two paint spraying pipes (13) close to each other are fixedly connected with a paint smearing plate (14), and the other ends of the two paint spraying pipes (13) penetrate through the outer wall of a paint spraying chamber (15) and are fixedly connected with a paint box.

6. The steel plate pretreatment device for transformer manufacturing according to claim 1, wherein the drying assembly comprises two dryers (17), the two dryers (17) are respectively fixedly connected to the top and the bottom of the drying chamber (16), and a drying cover (27) is fixedly connected to each side of the two dryers (17) close to each other.

7. The steel plate pretreatment device for transformer manufacturing according to claim 1, wherein one end of the shot blasting wheel (21) close to the shot outlet pipe (22) is the same size as the inner wall of the shot outlet pipe (22) and is rotatably connected with the inner wall of the shot blasting wheel (21).

8. The steel plate pretreatment process for transformer manufacturing according to any one of claims 1 to 7, comprising the steps of:

s1, placing the steel plate on the feeding crawler belt (3), enabling the steel plate to reach the cutting table (5), enabling the first hydraulic cylinder (4) to press downwards to drive the cutting table (5) to press downwards, and cutting the steel plate by the cutting knife (28) on the cutting table (5);

s2, the cut steel plate slides downwards to the upper part of a lower extrusion wheel (9) under the driving of a feeding crawler (3), a second hydraulic cylinder (6) presses downwards to enable a cross rod (32) to drive a support rod (7) and an upper extrusion wheel (8) to press downwards, the bottom of the upper extrusion wheel (8) is in contact with the top of the cut steel plate and extrudes the surface of the steel plate, so that the surface of the steel plate is flat, and the thickness of the steel plate is moderate;

s3, the extruded steel plate enters the transmission assembly under the rotation of the lower extrusion wheel (9) and enters the shot blasting chamber (11), the cylinder (12) rotates to drive the steel plate to move, in the moving process, small steel shots in the steel shot box (24) are sucked out by the first shot suction machine (25) and enter the grooves of the shot blasting wheel (21) through the shot outlet pipe (22), the shot blasting wheel (21) rotates at a high speed under the action of the motor (10), so that the small steel shots are thrown out from the rectangular through hole of the shot blasting cover (20) and the through hole of the motor protection box (29) and hit the surface of the steel plate, and the fallen small steel shots are sucked into the steel shot box (24) again by the second shot suction machine (26) through the shot inlet pipe (23);

s4, enabling the steel plate to enter a paint spraying chamber (15) after passing through the shot blasting chamber (11), sucking insulating paint into a paint smearing plate (14) through a paint sucking pipe (13), and smearing the insulating paint on the steel plate when the steel plate passes through;

s5, the steel plate enters a drying chamber (16) after passing through a paint spraying chamber (15), and a dryer (17) in the drying chamber (16) dries the passing steel plate;

s6, the steel plate slides to the top of the discharging crawler belt (19) after passing through the drying chamber (16), and slides out from the right side under the rotation of the discharging crawler belt (19).

Technical Field

The invention relates to the technical field of transformer manufacturing, in particular to a steel plate pretreatment device and a steel plate pretreatment process for transformer manufacturing.

Background

The transformer core is an important component of the transformer and plays an important role in the transformer. The iron core of the transformer generally selects cold-rolled silicon steel sheets, the cold-rolled silicon steel sheets are cut into a shape like a Chinese character 'ri' or a Chinese character 'kou' according to the size of the iron core, and then the iron core is overlapped to form an iron core ring.

Disclosure of Invention

In order to overcome the current defects, the invention provides a steel plate pretreatment device and a steel plate pretreatment process for manufacturing a transformer.

A steel plate pretreatment device for transformer manufacturing comprises a shell, wherein one side of the bottom of the shell is fixedly connected with a feeding table, the top of the feeding table is fixedly provided with a feeding crawler belt, the top of the shell is fixedly connected with a first hydraulic cylinder, one side of the bottom of a hydraulic rod of the first hydraulic cylinder is in threaded connection with a cutting table, the bottom of the cutting table is fixedly connected with a cutting knife, one side of the feeding table is rotatably connected with a lower extrusion wheel, the top of the lower extrusion wheel and the top of the feeding crawler belt are at the same height, the top of the shell is fixedly connected with a second hydraulic cylinder, the bottom of the hydraulic rod of the second hydraulic cylinder is fixedly connected with a cross rod, two ends of the cross rod are both fixedly connected with supporting rods, the two supporting rods are jointly and rotatably connected with an upper extrusion wheel, the upper extrusion wheel is positioned above the lower extrusion wheel, and the, the shot blasting machine comprises a shell, a feeding table, a shot blasting chamber, a drying chamber, a discharging table, a discharging track, a plurality of transmission assemblies, two motors, shot blasting wheels, shot blasting covers and a feeding table, wherein the shot blasting chamber is positioned on one side of the feeding table, the bottom of the shell is fixedly connected with the spray painting chamber, the spray painting chamber is positioned on one side of the shot blasting chamber, the bottom of the shell is fixedly connected with the drying chamber, the discharging table is positioned on one side of the drying chamber, the top of the discharging table is fixedly connected with the discharging track, the centers of the two sides of the shot blasting chamber, the spray painting chamber and the drying chamber are fixedly connected with the transmission assemblies, the inner sides of the top and the bottom of the shot blasting chamber are fixedly connected with the two motors, the output shafts of the four motors are fixedly connected with the shot blasting wheels, the utility model discloses a shot blasting machine, including shot blasting cover, shot blasting wheel, shot blasting machine, first shot machine fixedly connected with pill pipe, first shot machine fixedly connected with shot case, the shot incasement is full of little shot, the fixed second that is provided with of bottom of shot blasting room inhales the shot machine, the second inhales shot machine fixedly connected with and advances the ball pipe, advance the ball pipe and keep away from the second and inhale the one end fixed connection at the top of shot case of shot machine, the equal fixed connection paint spraying assembly in top and bottom of paint spraying room, the equal fixed connection drying assembly in top and bottom of drying chamber.

Preferably, the outer side of the motor is fixedly connected with a motor protection box, a through hole is formed in the motor protection box, and the through hole is communicated with the rectangular through hole in the shot blasting cover.

Preferably, the transmission assembly comprises two baffles, two round rods are fixedly connected to the baffles, three cylinders are connected to the round rods in a rotating mode, and the cylinders are the same as the feeding crawler and the discharging crawler in rotating speed.

Preferably, the cutting table is in threaded connection with the first hydraulic cylinder, and the cutting table can be replaced according to the size of the steel plate.

Preferably, the subassembly that sprays paint includes two pipes of drawing paint, two the equal fixedly connected with board of smearing paint of one end that the pipe of drawing paint is close to each other, two the other end of the pipe of drawing paint all passes the outer wall and the fixedly connected with paint box of paint spray booth.

Preferably, the drying assembly comprises two dryers, the two dryers are respectively and fixedly connected to the top and the bottom of the drying chamber, and the two dryers are respectively and fixedly connected to a drying cover on one side close to each other.

Preferably, one end of the shot blasting wheel, which is close to the shot outlet pipe, is the same as the inner wall of the shot outlet pipe in size and is rotatably connected with the inner wall of the shot blasting wheel.

A steel plate pretreatment process for manufacturing a transformer comprises the following steps:

s1, placing the steel plate on a feeding track, enabling the steel plate to reach a cutting table, enabling a first hydraulic cylinder to press downwards to drive the cutting table to press downwards, and cutting the steel plate by a cutting knife on the cutting table;

s2, the cut steel plate slides downwards to the position above the lower extrusion wheel under the driving of the feeding crawler belt, the second hydraulic cylinder presses downwards to enable the cross rod to drive the support rod and the upper extrusion wheel to press downwards, the bottom of the upper extrusion wheel is in contact with the top of the cut steel plate and extrudes the surface of the steel plate, the surface of the steel plate is flat, and the thickness is moderate;

s3, enabling the extruded steel plate to enter a transmission assembly under the rotation of a lower extrusion wheel and enter a shot blasting chamber, driving the steel plate to move by the rotation of a cylinder, sucking small steel shots in a steel shot box by a first shot suction machine in the moving process, enabling the small steel shots to enter a groove of the shot blasting wheel through a shot outlet pipe, enabling the shot blasting wheel to rotate at a high speed under the action of a motor, enabling the small steel shots to be thrown out of a rectangular through hole of a shot blasting cover and a through hole of a motor protection box and to be struck on the surface of the steel plate, and sucking the fallen small steel shots into the steel shot box again through a shot inlet pipe by a second shot suction machine;

s4, enabling the steel plate to enter a paint spraying chamber after passing through the shot blasting chamber, sucking insulating paint into a paint smearing plate through a paint sucking pipe, and smearing the insulating paint on the steel plate when the steel plate passes through;

s5, the steel plate enters a drying chamber after passing through a paint spraying chamber, and a dryer in the drying chamber dries the passing steel plate;

and S6, sliding the steel plate to the top of the discharging crawler belt after passing through the drying chamber, and sliding the steel plate out from the right side under the rotation of the discharging crawler belt.

Compared with the prior art, the invention has the beneficial effects that: the invention has convenient operation, integrates cutting, shot blasting, paint spraying and drying, adopts the design of simultaneous double-sided shot blasting and simultaneous double-sided paint spraying, improves the corrosion resistance and fatigue resistance of the steel sheet, improves the production efficiency, reduces the contact time between the steel sheet and air between shot blasting and paint spraying, and reduces the oxidation of the surface of the steel sheet in the manufacturing process of the transformer iron core.

Drawings

Fig. 1 is a schematic cross-sectional view of the whole structure of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of the side view of the shot blasting chamber of the invention.

Fig. 3 is a side view of a cross-sectional structural schematic of the spray booth of the present invention.

Fig. 4 is a schematic cross-sectional side view of a drying chamber according to the present invention.

FIG. 5 is a schematic bottom view of the cutting table of the present invention.

Fig. 6 is a side view of the upper extrusion wheel of the present invention.

Fig. 7 is a schematic three-dimensional structure diagram of the shot blasting wheel of the invention.

In the figure: 1. a housing; 2. a feeding table; 3. a feeding crawler belt; 4. a first hydraulic cylinder; 5. cutting table; 6. a second hydraulic cylinder; 7. a support bar; 8. an upper extrusion wheel; 9. a lower extrusion wheel; 10. a motor; 11. a shot blasting chamber; 12. a cylinder; 13. a paint pumping pipe; 14. painting plate; 15. a paint spray booth; 16. a drying chamber; 17. a dryer; 18. a discharging table; 19. a discharging crawler belt; 20. shot blasting covers; 21. shot blasting wheels; 22. discharging the pills; 23. a pill inlet pipe; 24. a steel shot box; 25. a first pill-making machine; 26. a second pill suction machine; 27. a drying cover; 28. a cutting knife; 29. a motor protection box; 30. a round bar; 31. a baffle plate; 32. a cross bar.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings.

Examples

As shown in fig. 1 to 7, the steel plate pretreatment device for manufacturing a transformer of the present embodiment includes a housing 1, a feeding table 2 is fixedly connected to one side of the bottom of the housing 1, a feeding crawler 3 is fixedly installed on the top of the feeding table 2, a first hydraulic cylinder 4 is fixedly connected to the top of the housing 1, a cutting table 5 is in threaded connection with one side of the bottom of a hydraulic rod of the first hydraulic cylinder 4, a cutting knife 28 is fixedly connected to the bottom of the cutting table 5, a lower extrusion wheel 9 is rotatably connected to one side of the feeding table 2, the top of the lower extrusion wheel 9 is at the same height as the top of the feeding crawler 3, a second hydraulic cylinder 6 is fixedly connected to the top of the housing 1, a cross bar 32 is fixedly connected to the bottom of the hydraulic rod of the second hydraulic cylinder 6, support bars 7 are fixedly connected to both ends of the cross bar 32, an upper extrusion wheel 8 is rotatably connected to both support, the bottom of the shell 1 is fixedly connected with a shot blasting chamber 11, the shot blasting chamber 11 is positioned on one side of a feeding table 2, the bottom of the shell 1 is fixedly connected with a paint spraying chamber 15, the paint spraying chamber 15 is positioned on one side of the shot blasting chamber 11, the bottom of the shell 1 is fixedly connected with a drying chamber 16, the drying chamber 16 is positioned on one side of the paint spraying chamber 15, the bottom of the shell 1 is fixedly connected with a discharging table 18, the discharging table 18 is positioned on one side of the drying chamber 16, the top of the discharging table 18 is fixedly connected with a discharging crawler 19, the centers of two sides of the shot blasting chamber 11, the paint spraying chamber 15 and the drying chamber 16 are fixedly connected with a plurality of transmission components, the inner sides of the top and the bottom of the shot blasting chamber 11 are fixedly connected with two motors 10, output shafts of the four motors 10 are fixedly connected with shot blasting wheels 21, shot blasting covers 20 are arranged outside the shot blasting wheels 21, the shot blasting, one side fixedly connected with of motor 10 is kept away from to throw ball cover 20 goes out shot pipe 22, it keeps away from the first shot machine 25 that inhales of one end fixedly connected with of shot-blasting wheel 21 to go out shot pipe 22, first shot machine 25 fixedly connected with shot case 24, it has little shot to fill in shot case 24, the fixed second that is provided with in bottom of shot-blasting room 11 inhales shot machine 26, the second inhales shot machine 26 fixedly connected with and advances a shot pipe 23, advance a shot pipe 23 and keep away from the second and inhale the one end fixed connection at the top of shot case 24 of shot machine 26, the equal fixed connection paint spraying assembly in top and bottom of paint-spraying room 15, the equal fixed connection drying assembly in top and bottom of drying chamber 16.

In this embodiment, a motor protection box 29 is fixedly connected to the outer side of the motor 10, a through hole is formed in the motor protection box 29, and the through hole is communicated with the rectangular through hole in the shot blasting cover 20.

In this embodiment, the transmission assembly includes two baffles 31, and two baffles 31 are all fixedly connected with round bar 30, and round bar 30 rotates and is connected with three cylinders 12, and the cylinder 12 is the same with the rotational speed of pay-off track 3 and ejection of compact track 19.

In this embodiment, cutting table 5 is threaded connection with first hydraulic cylinder 4, can change cutting table 5 according to the size of steel sheet.

In this embodiment, the subassembly that sprays paint includes two pipes 13 of drawing paint, and two equal fixedly connected with of one end that pipes 13 of drawing paint are close to each other paint-smearing plate 14, and the other end of two pipes 13 of drawing paint all passes the outer wall and the fixedly connected with paint box of paint spray booth 15.

In this embodiment, the drying assembly includes two dryers 17, and two dryers 17 are fixed connection respectively at the top and the bottom of drying chamber 16, and the equal fixedly connected with of one side that two dryers 17 are close to each other dries cover 27.

In this embodiment, one end of the shot blasting wheel 21 close to the shot outlet pipe 22 is the same as the inner wall of the shot outlet pipe 22 in size and is rotatably connected with the inner wall of the shot blasting wheel 21.

The steel plate pretreatment process for manufacturing the transformer comprises the following steps of:

s1, the steel plate is placed on the feeding crawler 3, the steel plate reaches the cutting table 5, the first hydraulic cylinder 4 presses downwards to drive the cutting table 5 to press downwards, and the cutting knife 28 on the cutting table 5 cuts the steel plate;

s2, the cut steel plate slides downwards to the position above the lower extrusion wheel 9 under the driving of the feeding crawler 3, the second hydraulic cylinder 6 presses downwards to enable the cross rod 32 to drive the support rod 7 and the upper extrusion wheel 8 to press downwards, the bottom of the upper extrusion wheel 8 is in contact with the top of the cut steel plate and extrudes the surface of the steel plate, the surface of the steel plate is smooth, and the thickness is moderate;

s3, the extruded steel plate enters the transmission assembly under the rotation of the lower extrusion wheel 9 and enters the shot blasting chamber 11, the cylinder 12 rotates to drive the steel plate to move, in the moving process, small steel shots in the steel shot box 24 are sucked out by the first shot suction machine 25 and enter the grooves of the shot blasting wheel 21 through the shot outlet pipe 22, the shot blasting wheel 21 rotates at a high speed under the action of the motor 10, so that the small steel shots are thrown out of the rectangular through hole of the shot blasting cover 20 and the through hole of the motor protection box 29 and hit the surface of the steel plate, and the fallen small steel shots are sucked into the steel shot box 24 again through the shot inlet pipe 23 by the second shot suction machine 26;

s4, enabling the steel plate to enter a paint spraying chamber 15 after passing through the shot blasting chamber 11, sucking insulating paint into a paint smearing plate 14 through a paint sucking pipe 13, and smearing the insulating paint on the steel plate when the steel plate passes through;

s5, the steel plate enters a drying chamber 16 after passing through the paint spraying chamber 15, and a dryer 17 in the drying chamber 16 dries the passing steel plate;

and S6, sliding the steel plate to the top of the discharging crawler belt 19 after passing through the drying chamber 16, and sliding the steel plate out from the right side under the rotation of the discharging crawler belt 19.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.