Auxiliary cutting device of air plasma arc cutting machine

Abstract

The utility model discloses a cutting auxiliary device of an air plasma arc cutting machine. The cutting auxiliary device comprises an elbow rotating auxiliary mechanism and a cutting gun adjusting auxiliary mechanism, wherein the elbow rotating auxiliary mechanism is used for placing an elbow and driving the elbow to rotate; the cutting gun adjusting auxiliary mechanism is arranged on one side of the elbow rotating auxiliary mechanism and is used for installing a cutting gun and adjusting the position of the cutting gun; the elbow rotation auxiliary mechanism comprises a base, a horizontally-rotating rotary disc is rotationally arranged on the base, and an elbow support used for containing an elbow and enabling one end of the elbow to be arranged upwards is arranged on the upper surface of the rotary disc. The cutting gun adjusting auxiliary mechanism comprises a vertical plate which is vertically arranged, a lifting assembly capable of ascending and descending is longitudinally arranged on the top of the side face of the vertical plate, and a telescopic rod which is horizontally arranged and used for installing a cutting gun so as to enable the cutting gun to face the side wall of the top of an elbow on the elbow support is arranged on the lifting assembly. The air plasma arc cutting device can assist the air plasma arc cutting machine in efficiently and accurately cutting elbow pipe fittings.

Description

Technical Field

[0001] This utility model relates to the technical field of auxiliary devices for cutting equipment, specifically to a cutting auxiliary device for an air plasma arc cutting machine. Background Technology

[0002] Air plasma arc cutting machines are widely used in the metal processing field. They mainly consist of the air plasma cutting machine body, the cutting torch, and the plasma connecting tube. The plasma connecting tube connects the cutting torch to the air plasma cutting machine body, providing a stable working gas source and power to the cutting torch, thereby enabling the cutting of various metal sheets and pipes.

[0003] Traditional air plasma arc cutting machines exhibit numerous problems when cutting elbow pipe fittings. When performing circumferential cutting on elbow fittings, the unique structure of the fitting makes stable rotation during the cutting process difficult to guarantee. This results in uneven cut surfaces and difficulty achieving the expected cutting accuracy. Furthermore, operators must frequently manually adjust the position and angle of the elbow fitting to ensure smooth cutting. This not only significantly increases the operator's workload but also leads to a substantial decrease in cutting efficiency due to human error. Therefore, a specialized auxiliary device is urgently needed to improve the efficiency and accuracy of air plasma arc cutting machines when cutting elbow pipe fittings. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a cutting auxiliary device for an air plasma arc cutting machine, which can assist the air plasma arc cutting machine in efficiently and accurately cutting elbow pipe fittings.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows.

[0006] A cutting auxiliary device for an air plasma arc cutting machine includes a bend rotation auxiliary mechanism for placing and rotating a bend, and a cutting gun adjustment auxiliary mechanism disposed on one side of the bend rotation auxiliary mechanism for mounting a cutting gun and adjusting the position of the cutting gun. The bend rotation auxiliary mechanism includes a base, on which a horizontally rotating turntable is rotatably disposed. The upper surface of the turntable is provided with a bend support for placing the bend with one end of the bend facing upwards. The cutting gun adjustment auxiliary mechanism includes an upright plate, on which a liftable lifting component is longitudinally disposed on the top side of the upright plate. The lifting component is provided with a horizontally disposed telescopic rod for mounting the cutting gun so that the cutting gun is positioned toward the top side wall of the bend on the bend support.

[0007] Preferably, a column is rotatably mounted on the base via a bearing, and a turntable is mounted on the top of the column; a rotary drive motor is mounted on the base, with the rotating shaft of the rotary drive motor facing upward and connected to the column via a belt drive assembly.

[0008] Preferably, the base is provided with a motor adjustment component for adjusting the distance between the rotary drive motor and the column to ensure the tension of the belt drive assembly; the motor adjustment component includes a slide rail arranged radially along the column, a slider slidably mounted on the slide rail, and the rotary drive motor mounted on the slider; a U-shaped frame is provided on both sides of the slide rail, parallel to the slide rail, and a waist-shaped strip hole is opened along the length direction on the upper panel of the U-shaped frame; the slider has flanges on both sides, the lower surface of which abuts against the upper panel of the U-shaped frame; a number of threaded through holes are spaced apart on the flanges and arranged opposite to the waist-shaped strip holes; a locking bolt passes through the threaded through holes and the waist-shaped strip holes; and a locking nut is connected to the bottom of the locking bolt to lock the slider on the U-shaped frame.

[0009] Preferably, the elbow support includes a horizontally arranged cross plate, one end of which is connected to a vertically arranged longitudinal plate. The end of the cross plate away from the longitudinal plate is adjustablely provided with a baffle for blocking the elbow from the bottom of the elbow. Wing plates are horizontally arranged on both sides of the middle of the cross plate, perpendicular to the cross plate. Pressure plates for fixing the elbow support to the turntable are pressed on the wing plates.

[0010] Preferably, arc-shaped guardrails for holding the bend to prevent it from tipping over are provided on both sides of the horizontal and vertical plates, and reinforcing plates are provided between the horizontal and vertical plates and between the arc-shaped guardrails on the same side.

[0011] Preferably, the baffle is L-shaped, with the horizontal part of the baffle being disposed away from the vertical plate and threaded with longitudinally threaded mounting bolts, and a number of mounting bolt holes for connecting the mounting bolts being spaced apart at one end of the horizontal part away from the vertical plate.

[0012] Preferably, the turntable includes a base, and the edge of the base is provided with an array of fan-shaped plates. A connecting ring is connected to the outer end of the fan-shaped plates away from the base. The edge of the base is provided with a plurality of staggered connecting screw holes along the circumferential direction.

[0013] Preferably, both ends of the pressure plate are longitudinally provided with clamping bolts for connecting connecting screw holes so that the pressure plate presses against the wing plate.

[0014] Preferably, the lifting assembly includes a lead screw longitudinally disposed on the top side of the upright plate and rotatably connected to the upright plate, and a guide rail located on one side of the lead screw and disposed parallel to the lead screw. A lifting seat threadedly connected to the lead screw is slidably mounted on the guide rail. A lifting drive motor disposed on the upright plate and used to drive the lead screw to rotate so as to realize the lifting of the lifting seat is raised and lowered.

[0015] Preferably, the telescopic rod includes an outer tube connected to the lifting seat and pointing horizontally toward the elbow rotation auxiliary mechanism. An inner tube is horizontally slidably fitted inside the outer tube. A fastening bolt for locking the inner tube is threaded onto the outer end sidewall of the outer tube near the inner tube. The cutting gun is located at the outer end of the inner tube away from the outer tube.

[0016] The technological advancements achieved by this utility model are as follows, due to the adoption of the above technical solutions.

[0017] This invention features a bend rotation auxiliary mechanism that stably drives the bend to rotate, ensuring stable rotation during cutting, resulting in a smoother cut surface and significantly improved cutting accuracy. A cutting gun adjustment auxiliary mechanism allows for adjustment of the cutting gun to accommodate different bends. The combination of these two mechanisms reduces time wasted due to inaccurate cutting or bend position adjustments, greatly improving cutting efficiency. Furthermore, the adjustable baffle structure on the bend support and the length adjustment function of the cutting gun telescopic rod enable the auxiliary device to adapt to different bend sizes and cutting requirements, enhancing its applicability. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the motor adjustment component structure of this utility model;

[0020] Figure 3 This is a top view of the retractable frame of this utility model;

[0021] Figure 4 This is a schematic diagram of the turntable structure of this utility model;

[0022] Figure 5 This is a top view of the elbow bracket of this utility model.

[0023] The components include: 1. Base, 2. Bearing, 3. Column, 4. Turntable, 41. Base, 42. Sector plate, 43. Connecting ring, 44. Connecting screw hole, 5. Belt drive assembly, 6. Rotary drive motor, 7. Elbow bracket, 71. Horizontal plate, 711. Mounting screw hole, 72. Vertical plate, 73. Arc-shaped guardrail, 74. Reinforcing plate, 75. Wing plate, 76. Pressure plate, 77. Clamping bolt, 78. Baffle, 79. Mounting bolt, 8. Motor adjustment assembly, 81. Slide rail, 82. Slider, 83. Flanged edge, 84. Rectangular frame, 85. Waist-shaped strip hole, 86. Locking bolt, 87. Locking nut, 9. Vertical plate, 10. Lead screw, 11. Guide rail, 12. Lifting seat, 13. Lifting drive motor, 14. Telescopic rod, 141. Outer tube, 142. Inner tube, 143. Fastening bolt, 15. Cutting gun. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0025] A cutting auxiliary device for an air plasma arc cutting machine, combined with Figure 1 As shown, it includes a bend rotation auxiliary mechanism and a cutting gun adjustment auxiliary mechanism. The bend rotation auxiliary mechanism is used to place the bend and drive it to rotate. The cutting gun adjustment auxiliary mechanism is located on one side of the bend rotation auxiliary mechanism. The cutting gun adjustment auxiliary mechanism is used to install the cutting gun 15 and adjust the position of the cutting gun 15, so as to realize that the cutting gun 15 can perform efficient and precise cutting on the rotating bend.

[0026] The elbow rotation auxiliary mechanism includes a base 1, on which a horizontally rotating turntable 4 is rotatably mounted. Specifically, a column 3 is rotatably mounted on the base 1 via a bearing 2, and the turntable 4 is located on top of the column 3. A rotary drive motor 6 is mounted on the base 1, with its rotating shaft facing upwards and connected to the column 3 via a belt drive assembly 5, thereby driving the column 3 to rotate and thus rotating the turntable 4.

[0027] A motor adjustment component 8 is provided on the base 1. This component is used to adjust the distance between the rotary drive motor 6 and the column 3, thereby ensuring the tension of the belt drive component 5. Figure 2 As shown, the motor adjustment assembly 8 includes a slide rail 81, which is arranged radially along the column 3. A slider 82 is slidably mounted on the slide rail 81, and a rotary drive motor 6 is mounted on the slider 82. A U-shaped frame 84 is provided on both sides of the slide rail 81, and the U-shaped frame 84 is arranged parallel to the slide rail 81. Figure 3 As shown, the upper panel of the rotary frame 84 has a waist-shaped slot 85 along its length. The slider 82 has flanges 83 on both sides. The lower surface of the flanges 83 abuts against the upper panel of the rotary frame 84. Several threaded through holes, spaced apart from the waist-shaped slots 85, are provided on the flanges 83. Locking bolts 86 pass between the threaded through holes and the waist-shaped slots 85. A locking nut 87 is connected to the bottom of the locking bolt 86, locking the slider 82 onto the rotary frame 84. When the tension of the belt drive assembly 5 needs to be adjusted, the locking nut 87 can be loosened, the slider 82 moved to a suitable position, and then tightened again. This allows for adjustment of the position of the rotary drive motor 6, ensuring the tension of the belt drive assembly 5 and thus guaranteeing the reliability of the transmission.

[0028] like Figure 4As shown, the turntable 4 includes a base 41. The edge of the base 41 is provided with a plurality of staggered connecting screw holes 44. The edge of the base 41 is provided with a fan-shaped plate 42. The outer end of the fan-shaped plate 42 away from the base 41 is connected to a connecting ring 43.

[0029] An elbow support 7 is provided on the upper surface of the base 41 of the turntable 4. The elbow support 7 is used to hold elbows and position one end of the elbow upwards. Specifically, the elbow support 7 includes a horizontally arranged cross plate 71, one end of which is connected to a vertically upward-arranged longitudinal plate 72. An L-shaped baffle 78 is adjustablely provided on the end of the cross plate 71 away from the longitudinal plate 72 to block the elbow from its bottom. Figure 5 As shown, the horizontal body of the baffle 78 is provided away from the vertical plate 72 and is threaded with a longitudinally threaded mounting bolt 79. The end of the horizontal plate 71 away from the vertical plate 72 is provided with a number of mounting screw holes 711 at intervals. The mounting screw holes 711 are used to connect the mounting bolts 79, thereby realizing the adjustment and fixation of the baffle 78 so as to be suitable for elbows of different sizes.

[0030] A wing plate 75 is horizontally arranged on both sides of the middle of the horizontal plate 71. The wing plates 75 are perpendicular to the horizontal plate 71, and a pressure plate 76 is pressed on the wing plate 75. The pressure plate 76 is used to fix the elbow bracket 7 on the turntable 4, so that the elbow can be rotated by the elbow bracket 7 under the drive of the turntable 4. Specifically, clamping bolts 77 are longitudinally inserted at both ends of the pressure plate 76. The clamping bolts 77 are used to connect to the connecting screw holes 44 on the base 41, so that the pressure plate 76 presses the wing plate 75, thereby fixing the elbow bracket 7 on the turntable 4. Moreover, through the several connecting screw holes 44, elbow brackets 7 of different sizes can be fixed and the fixing position can be easily adjusted.

[0031] Arc-shaped guardrails 73 are provided on both sides of the horizontal plate 71 and the vertical plate 72. The arc-shaped guardrails 73 are used to hold the elbow and prevent it from tipping over. Reinforcing plates 74 are provided between the horizontal plate 71 and the vertical plate 72 and between the arc-shaped guardrails 73 on the same side to enhance the connection strength of the elbow support 7.

[0032] The cutting gun adjustment auxiliary mechanism includes an upright plate 9. A lifting assembly that can be raised and lowered is longitudinally arranged on the top side of the upright plate 9. A telescopic rod 14 is arranged on the lifting assembly. The telescopic rod 14 is arranged horizontally for mounting the cutting gun 15 and so that the cutting gun 15 is positioned toward the top side wall of the elbow on the elbow bracket 7.

[0033] Specifically, the lifting assembly includes a lead screw 10 and a guide rail 11. The lead screw 10 is longitudinally positioned on the top side of the upright plate 9 and rotatably connected to the upright plate 9. The guide rail 11 is located on one side of the lead screw 10 and is parallel to the lead screw 10. A lifting seat 12 is slidably mounted on the guide rail 11, and the lifting seat 12 is also threadedly connected to the lead screw 10. A lifting drive motor 13 is connected to the bottom of the lead screw 10 and is mounted on the upright plate 9. In use, the lifting drive motor 13 drives the lead screw 10 to rotate, thereby realizing the lifting of the lifting seat 12.

[0034] The telescopic rod 14 includes an outer tube 141, which is connected to the lifting seat 12 and points horizontally toward the elbow rotation auxiliary mechanism. An inner tube 142 is horizontally slidably fitted inside the outer tube 141. The cutting gun 15 is positioned at the outer end of the inner tube 142 away from the outer tube 141. After the elbow is placed on the elbow bracket 7, the position of the cutting gun 15 relative to the elbow is adjusted using the lifting assembly and the telescopic rod 14, aligning the cutting gun 15 with the cutting position of the elbow. A fastening bolt 143 is threaded onto the outer end sidewall of the outer tube 141 near the inner tube 142. After adjusting the length of the telescopic rod 14, the inner tube 142 is locked by the fastening bolt 143 to fix the length and ensure the stability of the cutting gun 15 during the cutting process.

[0035] In use, this utility model achieves efficient and precise cutting of elbow pipe fittings through the coordinated operation of the elbow rotation auxiliary mechanism and the cutting gun adjustment auxiliary mechanism. The working principle is as follows:

[0036] The elbow bracket 7 is fixed to a suitable position on the turntable 4 using the pressure plate 76. The elbow is placed on the elbow bracket 7, and its position is adjusted using the baffle 78. The position of the cutting torch 15 is adjusted using the telescopic rod 14 and the lifting assembly. The drive motor 6 rotates the turntable 4, which in turn rotates the elbow via the elbow bracket 7. Simultaneously, the air plasma arc cutting machine body is turned on, allowing the cutting torch 15 to precisely cut the elbow.

Claims

1. A cutting auxiliary device for an air plasma arc cutting machine, characterized in that: The elbow rotating auxiliary mechanism for placing the elbow and rotating the elbow and the cutting gun adjusting auxiliary mechanism arranged on one side of the elbow rotating auxiliary mechanism for installing the cutting gun (15) and adjusting the position of the cutting gun (15); the elbow rotating auxiliary mechanism comprises a base (1), a horizontal rotating turntable (4) is rotatably arranged on the base (1), and an elbow support (7) for placing the elbow and making one end of the elbow upward is arranged on the upper surface of the turntable (4); the cutting gun adjusting auxiliary mechanism comprises a vertical stand plate (9), a vertical stand plate (9) is vertically arranged, a vertical stand plate (9) is vertically arranged, and a vertical stand plate (9) is vertically arranged.

2. A cutting assist for an air plasma arc torch as defined in claim 1 wherein: The base (1) is rotatably arranged on the base (1) through a bearing (2), and the turntable (4) is arranged on the top of the stand column (3); the base (1) is provided with a rotating drive motor (6), and the rotating shaft of the rotating drive motor (6) is arranged upward and connected with the stand column (3) through a belt transmission assembly (5).

3. A cutting assist for an air plasma arc torch as defined in claim 2 wherein: The base (1) is provided with a motor adjusting assembly (8) for adjusting the distance between the rotating drive motor (6) and the stand column (3) to ensure the tension of the belt transmission assembly (5); the motor adjusting assembly (8) comprises a sliding rail (81) arranged in the radial direction of the stand column (3), a sliding block (82) is slidably arranged on the sliding rail (81), and the rotating drive motor (6) is arranged on the sliding block (82); the sliding rail (81) is provided with a back-shaped frame (84) arranged in parallel with the sliding rail (81) on both sides, a waist-shaped slot (85) is formed in the length direction on the upper panel of the back-shaped frame (84), a flange (83) is arranged on both sides of the sliding block (82) and abuts against the upper panel of the back-shaped frame (84), a plurality of threaded holes are arranged on the flange (83) and are arranged opposite to the waist-shaped slot (85), a locking bolt (86) is arranged between the threaded holes and the waist-shaped slot (85), and the bottom of the locking bolt (86) is connected with a locking nut (87) for locking the sliding block (82) on the back-shaped frame (84).

4. The cutting assist for an air plasma arc torch as defined in claim 1 wherein: The elbow support (7) comprises a horizontal transverse plate (71), one end of the transverse plate (71) is connected with a vertical longitudinal plate (72) arranged vertically upward, an adjustable baffle (78) is arranged on one end of the transverse plate (71) away from the longitudinal plate (72) for blocking the elbow from the bottom end of the elbow, vertical wing plates (75) are arranged on both sides of the middle part of the transverse plate (71) and are perpendicular to the transverse plate (71), and a pressing plate (76) is arranged on the wing plate (75) for fixing the elbow support (7) on the turntable (4).

5. A cutting assist for an air plasma arc torch as defined in claim 4, wherein: The transverse plate (71) and the longitudinal plate (72) are provided with arc-shaped guardrails (73) on both sides for holding the elbow to prevent the elbow from falling sideways, and reinforcing plates (74) are arranged between the transverse plate (71) and the longitudinal plate (72) and between the arc-shaped guardrails (73) on the same side.

6. A cutting assist for an air plasma arc torch as defined in claim 4, wherein: The baffle (78) is L-shaped, the horizontal body of the baffle (78) is provided away from the vertical plate (72) and is threadedly connected with a vertically penetrating mounting bolt (79), and the end of the horizontal plate (71) away from the vertical plate (72) is provided with a plurality of mounting screw holes (711) for connecting the mounting bolt (79).

7. A cutting assist for an air plasma arc torch as defined in claim 4 wherein: The rotating disc (4) comprises a base body (41), and a plurality of sector plates (42) are arranged at the edge of the base body (41), and the outer end of each sector plate (42) away from the base body (41) is connected with a connecting ring (43); a plurality of connecting screw holes (44) are arranged at the edge of the base body (41) in a staggered manner.

8. A cutting assist for an air plasma arc torch as defined in claim 7, wherein: The two ends of the pressing plate (76) are vertically penetrated with pressing bolts (77) for connecting the connecting screw holes (44) so as to press the wing plate (75) tightly.

9. The cutting assist for an air plasma arc torch as defined in claim 1 wherein: The lifting assembly comprises a lead screw (10) vertically arranged at the top of the side of the vertical plate (9) and rotationally connected with the vertical plate (9), and a guide rail (11) arranged in parallel with the lead screw (10) at one side of the lead screw (10), wherein the guide rail (11) is slidably assembled with a lifting seat (12) threadedly connected with the lead screw (10), and the bottom of the lead screw (10) is connected with a lifting driving motor (13) arranged on the vertical plate (9) and used for driving the lead screw (10) to rotate so as to realize the lifting of the lifting seat (12).

10. A cutting assist for an air plasma arc torch as defined in claim 9, wherein: The telescopic rod (14) comprises an outer sleeve (141) connected with the lifting seat (12) and horizontally pointing to the elbow rotation auxiliary mechanism, the inner tube (142) is slidably assembled in the inner part of the outer sleeve (141), and the fastening bolt (143) for locking the inner tube (142) is threadedly connected on the outer end side wall of the outer sleeve (141) close to the inner tube (142); the cutting gun (15) is arranged at the outer end head of the inner tube (142) away from the outer sleeve (141).

Images