Plasma cutting device for power supply processing

Abstract

The invention discloses a plasma cutting device for power supply processing, and relates to the technical field of plasma cutting. Comprising a rack, a cutting knife is arranged on the top of the rack, a cutting control system is connected with the cutting knife, a positioning mechanism is arranged at the bottom of the rack and comprises a positioning outer cylinder arranged on the rack, and a positioning disc is rotationally installed in the positioning outer cylinder and composed of a first end plate, an inner ring and a second end plate; limiting mechanisms are arranged on the first end plate and the second end plate in an array mode respectively. A scraping and shielding mechanism is arranged on the inner side of the inner ring, workpieces are arranged on the limiting mechanisms on the positioning disc and rotate along with the positioning disc, the scraping and shielding mechanism scrapes residues on the inner wall of the positioning outer barrel, and a removing mechanism is arranged at the bottom of the positioning outer barrel and used for scraping the inner side area of the positioning disc; the protective measures can be perfected, molten metal residues splashed during cutting are shielded and protected, and follow-up cleaning is convenient and fast.

Description

Technical Field

[0001] The invention relates to the technical field of plasma cutting, and in particular to a plasma cutting device for power source processing. Background Art

[0002] Plasma cutting is a cutting technology commonly used in metal processing. It uses a high-temperature plasma arc to melt and blow away metal to achieve precise cutting. The working principle and application range of plasma cutting are very wide, and it plays a vital role in the current processing and manufacturing industry. In the field of power processing, it is generally necessary to cut raw materials, such as copper bars, and plasma cutting is a commonly used processing method. Existing plasma cutting equipment will produce splashing molten metal residues during cutting. During cutting, protective operations are generally required, but the existing protective measures are not perfect and have a certain impact on the processing operation. Based on this, the present invention proposes a plasma cutting device that can improve protective measures, shield and protect splashing molten metal residues during cutting, and facilitate subsequent cleaning. Summary of the invention

[0003] In view of the above technical problems, the present invention can improve the protective measures, shield and protect the molten metal residue splashed during cutting, and facilitate subsequent cleaning.

[0004] The use scheme of the present invention is: a plasma cutting device for power supply processing, including a frame, a cutting control system is provided on the top of the frame, a cutting knife is connected to the cutting control system, a positioning mechanism is provided at the bottom of the frame, the positioning mechanism includes a positioning outer cylinder provided on the frame, a positioning disk is rotatably installed inside the positioning outer cylinder, the positioning disk is composed of an end plate one, an inner ring and an end plate two, and the end plates one and two are respectively arranged with limiting mechanisms in an array; a scraping and shielding mechanism is provided on the inner side of the inner ring, the workpiece is placed on each limiting mechanism on the positioning disk, and rotates with the positioning disk, the scraping and shielding mechanism scrapes the inner wall residue of the positioning outer cylinder, and a cleaning mechanism is provided at the bottom of the positioning outer cylinder for scraping the inner area of ​​the positioning disk.

[0005] Furthermore, a control electric cylinder is arranged on the top of the frame for controlling the movement of the cutting knife. A cutting hole is opened on the top of the pushing electric cylinder, and the cutting knife extends through the cutting hole to the inner side of the positioning outer cylinder for plasma cutting operation.

[0006] Furthermore, a motor 1 is arranged on the outside of the positioning outer cylinder, a gear 1 is arranged on the output shaft of the motor 1, the gear 1 is used to drive the positioning disk, and a connecting gear ring is arranged on the end plate 2 on the positioning disk, and the connecting gear ring is meshed with the gear 1.

[0007] Furthermore, a pushing mechanism is provided on the outside of the positioning outer cylinder for pushing the workpiece; pushing the workpiece includes a pushing electric cylinder, a pushing plate is provided on the telescopic rod of the pushing electric cylinder, an array of placement holes is opened on the pushing plate, a second motor is provided on the pushing plate, and a shielding frame is provided on the output shaft of the second motor.

[0008] Furthermore, the end plate 1 and the end plate 2 are respectively provided with a control mechanism, the control mechanism includes a motor 3, a control gear ring is provided on the output shaft of the motor 3, and the control gear ring is used to drive the limiting mechanism.

[0009] Furthermore, the limiting mechanism includes a limiting seat arranged on end plate one and end plate two, a pressure seat is radially slidably installed on the limiting seat, a pushing part is arranged on the pressure seat, a spring one is connected between the pushing part and the limiting seat, a limiting gear is rotatably installed on the limiting seat, a push wheel is arranged on the end face of the limiting gear, the push wheel is used to push the pushing part, and the limiting gear is meshed with the control gear ring.

[0010] Furthermore, the scraping and shielding mechanism includes an array of shielding scrapers that are slidably arranged on the inner ring. The shielding scrapers are telescoped to the inner side of the inner ring to form a complete area with the surface of the inner ring. The shielding scrapers extend to the outer side of the inner ring and contact the inner wall of the positioning outer cylinder to perform a scraping operation. A spring 2 is connected between the shielding scraper and the inner ring.

[0011] Furthermore, the scraping and shielding mechanism also includes a mounting seat arranged inside the inner ring, a retracting and discharging motor is arranged on the mounting seat, a retracting and discharging gear ring is arranged on the output shaft of the retracting and discharging motor, a retracting and discharging drum rotates on the mounting seat and is arranged in an array, a retracting and discharging rope is connected to the retracting and discharging drum, one end of the retracting and discharging rope is connected to the end of the shielding scraper, a retracting and discharging gear is arranged on the retracting and discharging drum, and the retracting and discharging gear is meshed with the retracting and discharging gear ring.

[0012] Furthermore, the cleaning mechanism includes a scraping electric cylinder arranged at the bottom of the positioning outer cylinder, a scraper is arranged on the telescopic rod of the scraping electric cylinder, a discharge trough is opened at the bottom of the positioning outer cylinder, the scraper extends to the inside of the positioning outer cylinder, and contacts with the outer side of the inner ring and the end faces of end plate one and end plate two, and performs scraping operations.

[0013] Compared with the prior art, the present invention has the following advantages: (1) During processing, the movement of the cutting knife is controlled by controlling the electric cylinder, and the cutting knife is located inside the positioning outer cylinder through the cutting hole; when the workpiece is located on the limiting mechanism, the motor three works, that is, the control gear ring is controlled to rotate, the limiting gears on each limiting mechanism rotate, and the push wheel pushes the push part, that is, the pressure seat moves inward to fix the workpiece; (2) The workpiece is cut on the inner side of the positioning outer cylinder, which can shield the splashing molten metal; and when each workpiece passes through the cutting knife, the end plate two plays a shielding role, that is, separating the workpieces to prevent the splashing molten metal from falling on other workpieces; (3) When the positioning disk rotates, the retracting and discharging motor works, that is, the retracting and releasing gear ring is controlled to rotate, so that the retracting and releasing drum rotates, so as to control the retraction and release of the shielding scraper through the retracting and releasing rope, thereby shielding the workpiece. The scraper plate retracts toward the inside of the inner ring so that the cutting knife can pass smoothly, thereby realizing cutting of each workpiece in the circumferential direction. It should be noted that when the shielding scraper plate contacts the inner wall of the positioning outer cylinder, a scraping operation can be performed on the inside of the positioning outer cylinder, that is, scraping off the attached molten metal residue. (4) When removing the metal residue attached to the inner wall of the positioning outer cylinder, the positioning disk is controlled to rotate, that is, the shielding scraper plate rotates around the inner wall of the positioning outer cylinder to realize the removal operation. Further, the shielding scraper plate is controlled to retract, and the outer end of the shielding scraper plate and the inner ring surface form a complete area. The scraper plate is controlled to move by the scraping electric cylinder, and the scraper plate extends to the inside of the positioning outer cylinder and contacts the inner ring surface and the end faces of the end plate one and the end plate two. Combined with the rotation, various areas on the positioning disk can be scraped, that is, the attached molten metal residue can be removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 This is a schematic diagram of the positioning outer cylinder installation structure of the present invention.

[0016] Figure 3 It is a schematic diagram of the push plate installation structure of the present invention.

[0017] Figure 4 This is a schematic diagram of the installation structure of the positioning plate of the present invention.

[0018] Figure 5 It is a schematic diagram of the local structure of the end of the positioning plate of the present invention.

[0019] Figure 6 It is a schematic diagram of the structure of the limiting mechanism of the present invention.

[0020] Figure 7 This is a schematic diagram of the installation structure of the shielding scraper of the present invention.

[0021] Figure 8 It is a schematic diagram of the installation structure of the scraping and shielding mechanism of the present invention.

[0022] Fig. 9 This is a schematic structural diagram of the scraping and shielding mechanism of the present invention from another angle.

[0023] Fig.10 It is a schematic diagram of the installation structure of the cleaning mechanism of the present invention.

[0024] 1-frame; 2-collection box; 3-cutting control system; 4-control electric cylinder; 5-cutting knife; 6-positioning outer cylinder; 601-cutting hole; 7-pushing electric cylinder; 8-push plate; 801-placing hole; 9-motor one; 10-gear one; 11-motor two; 12-shielding frame; 13-scraping electric cylinder; 14-scraper; 15-end plate one; 16-inner ring; 17-end plate two; 18-motor three; 19-control gear ring; 20-limiting gear; 21-connecting gear ring; 22-limiting seat; 23-push wheel; 24-pressure seat; 25-pushing part; 26-spring one; 27-shielding scraper; 28-spring two; 29-mounting seat; 30-retracting and releasing motor; 31-retracting and releasing gear ring; 32-retracting and releasing reel; 33-retracting and releasing gear; 34-retracting and releasing rope. DETAILED DESCRIPTION

[0025] Example: Figures 1 to 10 As shown, a plasma cutting device for power processing includes a frame 1, a cutting control system 3 is arranged on the top of the frame 1, and a collecting box 2 is arranged at the bottom of the frame 1; a cutting knife 5 is connected to the cutting control system 3, and a positioning mechanism is arranged at the bottom of the frame 1, the positioning mechanism includes a positioning outer cylinder 6 arranged on the frame 1, a positioning disk is rotatably installed inside the positioning outer cylinder 6, and the positioning disk is composed of an end plate 15, an inner ring 16 and an end plate 2 17, and the end plates 15 and 17 are respectively arranged with limited mechanisms in an array; a scraping and shielding mechanism is arranged on the inner side of the inner ring 16, and the workpiece is placed on each limited mechanism on the positioning disk and rotates with the positioning disk, and the scraping and shielding mechanism scrapes the inner wall residue of the positioning outer cylinder 6, and a cleaning mechanism is arranged at the bottom of the positioning outer cylinder 6 for scraping the inner area of ​​the positioning disk.

[0026] A control electric cylinder 4 is provided on the top of the frame 1 for controlling the movement of the cutting knife 5. A cutting hole 601 is provided on the top of the pushing electric cylinder 7. The cutting knife 5 extends through the cutting hole 601 to the inner side of the positioning outer cylinder 6 for plasma cutting operation. A motor 9 is provided on the outer side of the positioning outer cylinder 6. A gear 10 is provided on the output shaft of the motor 9. The gear 10 is used to drive the positioning plate. A connecting gear ring 21 is provided on the end plate 2 17 on the positioning plate. The connecting gear ring 21 is meshed with the gear 10.

[0027] A pushing mechanism is arranged on the outside of the positioning outer cylinder 6 for pushing the workpiece; pushing the workpiece includes pushing the electric cylinder 7, a push plate 8 is arranged on the telescopic rod of the electric cylinder 7, an array of placement holes 801 are opened on the push plate 8, a motor 2 11 is arranged on the push plate 8, a shielding frame 12 is arranged on the output shaft of the motor 2 11; the end plate 1 15 and the end plate 2 17 are respectively provided with control mechanisms, the control mechanism includes the motor 3 18, a control gear ring 19 is arranged on the output shaft of the motor 3 18, and the control gear ring 19 is used to drive the limiting mechanism.

[0028] The limiting mechanism includes a limiting seat 22 arranged on end plate 15 and end plate 2 17, a pressure seat 24 is radially slidably installed on the limiting seat 22, a pushing portion 25 is arranged on the pressure seat 24, a spring 26 is connected between the pushing portion 25 and the limiting seat 22, a limiting gear 20 is rotatably installed on the limiting seat 22, a pushing wheel 23 is arranged on the end face of the limiting gear 20, the pushing wheel 23 is used to push the pushing portion 25, and the limiting gear 20 is meshed with the control gear ring 19.

[0029] The scraping and shielding mechanism includes a shielding scraper 27 which is arranged in an array and sliding on the inner ring 16. The shielding scraper 27 is telescoped to the inner side of the inner ring 16 to form a complete area with the surface of the inner ring 16. The shielding scraper 27 extends to the outer side of the inner ring 16 and contacts the inner wall of the positioning outer cylinder 6 to perform a scraping operation. A spring 28 is connected between the shielding scraper 27 and the inner ring 16. The scraping and shielding mechanism also includes a mounting seat 29 arranged inside the inner ring 16, a retracting and discharging motor 30 is arranged on the mounting seat 29, a retracting and releasing gear ring 31 is arranged on the output shaft of the retracting and discharging motor 30, a retracting and releasing drum 32 is arranged and rotated on the mounting seat 29, a retracting and releasing rope 34 is connected to the retracting and releasing drum 32, one end of the retracting and releasing rope 34 is connected to the end of the shielding scraper 27, a retracting and releasing gear 33 is arranged on the retracting and releasing drum 32, and the retracting and releasing gear 33 is meshed with the retracting and releasing gear ring 31.

[0030] The cleaning mechanism includes a scraping electric cylinder 13 arranged at the bottom of the positioning outer cylinder 6, a scraper 14 is arranged on the telescopic rod of the scraping electric cylinder 13, a discharge trough is opened at the bottom of the positioning outer cylinder 6, the scraper 14 extends to the inside of the positioning outer cylinder 6, and contacts with the outer side of the inner ring 16 and the end faces of the end plate 15 and the end plate 2 17, and performs scraping operations.

[0031] Working principle: Place the copper workpiece on the limiting mechanism. Specifically, for the convenience of positioning, first pass it through the placement hole 801 on the push plate 8, and then pass it into the limiting seat 22. The shielding frame 12 is controlled to rotate by the motor 2 11 so that the shielding frame 12 coincides with the placement hole 801, which is convenient for the subsequent pushing of the workpiece. During processing, the cutting knife 5 is controlled to move by controlling the electric cylinder 4, and the cutting knife 5 is located inside the positioning outer cylinder 6 through the cutting hole 601; when the workpiece is located on the limiting mechanism, the motor 3 18 works, that is, the control gear ring 19 is controlled to rotate, and the limiting gears 20 on each limiting mechanism rotate, and the push wheel 23 pushes the pushing part 25, that is, the pressure seat 24 moves inward to fix the workpiece.

[0032] The motor 19 works to control the rotation of the positioning disk, that is, the end plate 15, the inner ring 16 and the end plate 2 17 rotate, thereby driving the workpiece to rotate. The workpiece is cut on the inner side of the positioning outer cylinder 6, which can shield the splashing molten metal; and when each workpiece passes through the cutting knife 5, the end plate 2 17 plays a shielding role, that is, separating the workpieces to prevent the splashing molten metal from falling on other workpieces; when the positioning disk rotates, the retracting and discharging motor 30 works, that is, controlling the rotation of the retracting and releasing gear ring 31, so that the retracting and releasing drum 32 rotates, so as to control the retraction and release of the shielding scraper 27 through the retracting and releasing rope 34, and the shielding scraper 27 shrinks toward the inside of the inner ring 16 so that the cutting knife 5 can pass smoothly, thereby realizing the cutting of each workpiece in the circumferential direction; it should be noted that when the shielding scraper 27 contacts the inner wall of the positioning outer cylinder 6, the inside of the positioning outer cylinder 6 can be scraped, that is, the attached molten metal residue is scraped off.

[0033] After completing a cutting operation, the push plate 8 is controlled to move by pushing the electric cylinder 7 to push the workpiece, and the cut workpiece falls into the collection box 2; when the metal residue attached to the inner wall of the positioning outer cylinder 6 is removed, the positioning disk is controlled to rotate, that is, the shielding scraper 27 rotates around the inner wall of the positioning outer cylinder 6 to achieve the cleaning operation, and further, the shielding scraper 27 is controlled to shrink, and the outer end of the shielding scraper 27 and the surface of the inner ring 16 form a complete area, and the scraper 14 is controlled to move by the scraping electric cylinder 13. The scraper 14 extends to the inside of the positioning outer cylinder 6 and contacts the surface of the inner ring 16 and the end faces of the end plate 15 and the end plate 2. Combined with the rotation, each area on the positioning disk can be scraped, that is, the attached molten metal residue is removed.

Claims

1. A plasma cutting device for power processing, comprising a frame (1), a cutting control system (3) provided on the top of the frame (1) and a cutting knife (5) connected to the cutting control system (3), characterized in that: A positioning mechanism is arranged at the bottom of the frame (1), the positioning mechanism comprising a positioning outer cylinder (6) arranged on the frame (1), a positioning disk rotatably mounted inside the positioning outer cylinder (6), the positioning disk comprising an end plate 1 (15), an inner ring (16) and an end plate 2 (17), and limit mechanisms are arranged in an array on the end plate 1 (15) and the end plate 2 (17); a scraping and shielding mechanism is arranged on the inner side of the inner ring (16), a workpiece is placed on each limit mechanism on the positioning disk and rotates with the positioning disk, the scraping and shielding mechanism scrapes off the residue on the inner wall of the positioning outer cylinder (6), and a cleaning mechanism is arranged at the bottom of the positioning outer cylinder (6) for scraping the inner area of ​​the positioning disk.

2. The plasma cutting device for power source processing according to claim 1, characterized in that: A control electric cylinder (4) is arranged on the top of the frame (1) for controlling the movement of the cutting knife (5). A cutting hole (601) is opened on the top of the pushing electric cylinder (7). The cutting knife (5) extends through the cutting hole (601) to the inside of the positioning outer cylinder (6) to perform plasma cutting operation.

3. The plasma cutting device for power source processing according to claim 2, characterized in that: A motor 1 (9) is disposed on the outer side of the positioning outer cylinder (6); a gear 1 (10) is disposed on the output shaft of the motor 1 (9); the gear 1 (10) is used to drive the positioning disk; a connecting gear ring (21) is disposed on the end plate 2 (17) on the positioning disk; the connecting gear ring (21) is meshed with the gear 1 (10).

4. The plasma cutting device for power source processing according to claim 3, characterized in that: A pushing mechanism is arranged on the outside of the positioning outer cylinder (6) for pushing the workpiece; the pushing mechanism comprises a pushing electric cylinder (7); a pushing plate (8) is arranged on the telescopic rod of the pushing electric cylinder (7); an array of placement holes (801) are arranged on the pushing plate (8); a second motor (11) is arranged on the pushing plate (8); and a shielding frame (12) is arranged on the output shaft of the second motor (11).

5. The plasma cutting device for power source processing according to claim 1, characterized in that: The end plate one (15) and the end plate two (17) are respectively provided with a control mechanism, the control mechanism comprising a motor three (18), a control gear ring (19) being provided on an output shaft of the motor three (18), the control gear ring (19) being used to drive the limit mechanism.

6. The plasma cutting device for power source processing according to claim 5, characterized in that: The limiting mechanism comprises a limiting seat (22) arranged on the end plate 1 (15) and the end plate 2 (17); a pressure seat (24) is radially slidably mounted on the limiting seat (22); a pushing portion (25) is arranged on the pressure seat (24); a spring 1 (26) is connected between the pushing portion (25) and the limiting seat (22); a limiting gear (20) is rotatably mounted on the limiting seat (22); a pushing wheel (23) is arranged on the end surface of the limiting gear (20); the pushing wheel (23) is used to push the pushing portion (25); and the limiting gear (20) is meshed with the control gear ring (19).

7. The plasma cutting device for power source processing according to claim 1, characterized in that: The scraping and shielding mechanism comprises shielding scrapers (27) arranged in an array and slidably on the inner ring (16); the shielding scrapers (27) are telescoped to the inner side of the inner ring (16) to form a complete area with the surface of the inner ring (16); the shielding scrapers (27) extend to the outer side of the inner ring (16) and contact the inner wall of the positioning outer cylinder (6) to perform a scraping operation; a second spring (28) is connected between the shielding scrapers (27) and the inner ring (16).

8. The plasma cutting device for power source processing according to claim 7, characterized in that: The scraping and shielding mechanism also includes a mounting seat (29) arranged inside the inner ring (16), a retractable motor (30) being arranged on the mounting seat (29), a retractable gear ring (31) being arranged on the output shaft of the retractable motor (30), a retractable reel (32) rotating on the mounting seat (29) and arranged in an array, a retractable rope (34) being connected to the retractable reel (32), one end of the retractable rope (34) being connected to the end of the shielding scraper (27), a retractable gear (33) being arranged on the retractable reel (32), and the retractable gear (33) being meshed with the retractable gear ring (31).

9. The plasma cutting device for power source processing according to claim 1, characterized in that: The cleaning mechanism comprises a scraping electric cylinder (13) arranged at the bottom of the positioning outer cylinder (6), a scraper (14) is arranged on the telescopic rod of the scraping electric cylinder (13), a discharge trough is opened at the bottom of the positioning outer cylinder (6), the scraper (14) extends to the inside of the positioning outer cylinder (6), and contacts with the outside of the inner ring (16) and the end faces of the end plate 1 (15) and the end plate 2 (17), and performs a scraping operation.

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