Semi-automatic cutting machine for cylindrical blank

Abstract

The utility model discloses a semi-automatic cylindrical blank cutting machine, which relates to the technical field of cylindrical blank cutting, and comprises a base, a fixed seat is arranged on one side above the base, two groups of rocker arms arranged in parallel are hinged on the fixed seat, a cross rod is hinged above the two groups of rocker arms together, the cross rod is parallel to the fixed seat, and a mounting block is arranged on the cross rod. A speed reducer is fixedly arranged on the base, the power input end of the speed reducer is connected with a motor, the power output end of the speed reducer is connected with a crank, one end of a rocker is hinged to the end of the crank, and the other end of the rocker is hinged to a rocker arm; the rocker arm is driven by the motor to swing, and when the rocker arm swings, the cutting nozzle can move along the outer surface of the cylindrical blank in an arc-shaped track, so that the movement track of the cutting nozzle is matched with the outer surface of the cylindrical blank, and profiling cutting of the cylindrical blank is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of cylindrical blank cutting, in particular to a cylindrical blank semi-automatic cutting machine. Background Art

[0002] After the cylindrical billet is produced, it needs to be cut into sections before entering the next process. Flame cutting has the advantages of low cost, fast cutting speed, and the ability to cut thick materials. In order to improve production efficiency, reduce production costs, and meet production process requirements, it is a technical problem that technical personnel in this field urgently need to solve to develop a semi-automatic flame cutting machine for cylindrical billets with a reasonable structure, good effect, and strong applicability. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a semi-automatic cylindrical blank cutting machine to solve the technical problems of low efficiency, complicated cutting process operation and poor stability when cutting cylindrical blanks.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a semi-automatic cutting machine for cylindrical billets, comprising a base, a fixed base is arranged on one side above the base, two groups of parallel rocker arms are hinged on the fixed base, a cross bar is hinged above the two groups of rocker arms, the cross bar is parallel to the fixed base, a mounting block is provided on the cross bar, a slide bar capable of adjusting height is slidably arranged on the mounting block, a cutting nozzle is installed at the bottom of the slide bar, a reducer is fixedly arranged on the base, a motor is connected to the power input end of the reducer, a crank is connected to the power output end of the reducer, one end of the rocker is hinged to the end of the crank, and the other end of the rocker is hinged to the rocker.

[0005] Preferably, a damping shaft is fixedly connected to one side of the bottom of the rocker arm, and the axis centerline of the damping shaft is colinear with the axis centerline of the hinge at the bottom of the rocker arm. A pair of mounting columns are fixedly arranged on the base, and two freely sliding brake blocks are arranged on the pair of mounting columns. The two brake blocks are respectively placed on the upper and lower sides of the damping shaft, and the mounting columns are also provided with springs for pushing the two brake blocks closer to each other.

[0006] Preferably, one end of a tension spring is mounted on the fixing seat, and the other end of the tension spring is hung on the rocker arm.

[0007] Preferably, side panels are provided on both sides of the base, and lifting holes are opened on the side panels.

[0008] Preferably, each group of rocker arms has two rocker arms, which are hinged to the front and rear sides of the fixing seat through axes. The rocker arms are provided with a plurality of adjustment holes for installing the cross bar along their length direction. The cross bar can be installed in the adjustment holes at different heights to adjust the distance between the cross bar and the base.

[0009] Preferably, a sliding opening is provided on the cross bar, and the mounting block can be fixed in the sliding opening by bolts, and the position of the mounting block can be adjusted along the length direction of the cross bar.

[0010] Preferably, a V-shaped opening is provided below the base.

[0011] Preferably, a control panel is fixedly disposed on the base.

[0012] Beneficial Effects

[0013] The utility model provides a semi-automatic cutting machine for cylindrical billets, which has the following beneficial effects: the device can realize rapid cutting of cylindrical billets by adopting a flame cutting method, and starting the motor can make the rocker arm swing. When the rocker arm swings, the cutting nozzle can move in an arc trajectory along the outer surface of the cylindrical billet, thereby ensuring that the movement trajectory of the cutting nozzle fits the outer surface of the cylindrical billet, thereby realizing contour cutting of the cylindrical billet, and by damping the movement of the rocker arm, the cutting stability can be improved and the cutting quality can be guaranteed, and by installing the cross bar in adjustment holes at different heights, the curvature of the movement trajectory of the cutting nozzle can be changed to adapt to cylindrical billets of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The three-dimensional Figure 1 ;

[0015] Figure 2 The three-dimensional Figure 2 ;

[0016] Figure 3 It is a top view of the utility model.

[0017] In the figure: 1. base; 2. fixed seat; 3. rocker arm; 4. cross bar; 5. mounting block; 6. slide bar; 7. cutting nozzle; 8. reducer; 9. motor; 10. crank; 11. rocker arm; 12. mounting column; 13. brake block; 14. damping shaft; 15. spring; 16. side plate; 17. lifting hole; 18. tension spring; 19. adjustment hole; 20. slide mouth; 21. V mouth; 22. control panel. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] See also Figure 1-3 The utility model provides a technical solution: a semi-automatic cutting machine for cylindrical blanks, comprising a base 1, a fixed base 2 is arranged on one side above the base 1, two sets of rocker arms 3 arranged in parallel are hinged on the fixed base 2, a cross bar 4 is hinged above the two sets of rocker arms 3, the cross bar 4 is parallel to the fixed base 2, a four-bar linkage is formed by the fixed base 2, the rocker arms 3 and the cross bar 4, a mounting block 5 is arranged on the cross bar 4, a slide bar 6 capable of height adjustment is slidably arranged on the mounting block 5, a cutting nozzle 7 is arranged at the bottom of the slide bar 6, the distance between the cutting nozzle 7 and the cylindrical blank can be adjusted by adjusting the height of the slide bar 6, and the base 1 is fixed with a fixed base 2, a rocker arm 3 and a cross bar 4 are hinged above the two sets of rocker arms 3, the cross bar 4 is parallel to the fixed base 2, a four-bar linkage is formed by the fixed base 2, the rocker arm 3 and the cross bar 4, a mounting block 5 is arranged on the cross bar 4, a slide bar 6 capable of height adjustment is slidably arranged on the mounting block 5, a cutting nozzle 7 is arranged at the bottom of the slide bar 6, the distance between the cutting nozzle 7 and the cylindrical blank can be adjusted by adjusting the height of the slide bar 6, A reducer 8 is provided, a motor 9 is connected to the power input end of the reducer 8, a crank 10 is connected to the power output end of the reducer 8, one end of a rocker 11 is hinged to the end of the crank 10, and the other end of the rocker 11 is hinged to the rocker arm 3. After starting the motor 9, the speed is reduced by the reducer 8 to drive the crank 10 to rotate, and the crank 10 and the rocker 11 form a crank-rocker mechanism to drive the rocker arm 3 to swing. When the rocker arm 3 swings, the cutting nozzle 7 can move in an arc trajectory along the outer surface of the cylindrical blank, thereby ensuring that the movement trajectory of the cutting nozzle 7 fits the outer surface of the cylindrical blank, thereby realizing the contour cutting of the cylindrical blank.

[0020] As an embodiment of the utility model, a damping shaft 14 is fixedly connected to one side of the bottom of the rocker arm 3, and the axis line of the damping shaft 14 is colinear with the axis line of the hinge at the bottom of the rocker arm 3. A pair of mounting columns 12 are fixedly arranged on the base 1, and two freely sliding brake blocks 13 are arranged on the pair of mounting columns 12. The two brake blocks 13 are respectively placed on the upper and lower sides of the damping shaft 14. The mounting columns 12 are also provided with springs 15 for pushing the two brake blocks 13 closer to each other. The brake blocks 13 can be pushed toward the damping shaft 14 by the spring 15. By clamping the damping shaft 14 by the brake blocks 13, a damping effect can be exerted on the movement of the rocker arm 3, thereby improving the stability of the cutting movement.

[0021] As an embodiment of the utility model, one end of a tension spring 18 is installed on the fixing seat 2, and the other end of the tension spring 18 is hung on the rocker arm 3. The tension spring 18 can further increase the damping effect of the movement of the rocker arm 3 and further improve the stability.

[0022] As an embodiment of the present utility model, side panels 16 are provided on both sides of the base 1, and hoisting holes 17 are opened on the side panels 16 for hoisting the device.

[0023] As an embodiment of the utility model, each group of rocker arms 3 has two in number and are respectively hinged on the front and rear sides of the fixing base 2 through an axis, which increases the strength of the rocker arm 3, effectively reduces the vibration of the cutting torch, prevents the cutting torch from tilting, and improves the cutting quality. The rocker arm 3 is provided with a plurality of adjustment holes 19 for installing the cross bar 4 along its length direction. By installing the cross bar 4 in the adjustment holes 19 at different heights, the distance between the cross bar 4 and the base 1 can be adjusted, thereby changing the curvature of the motion trajectory of the cutting nozzle 7.

[0024] As an embodiment of the utility model, a sliding opening 20 is provided on the cross bar 4 , and the mounting block 5 can be fixed in the sliding opening 20 by bolts, and the position of the mounting block 5 can be adjusted along the length direction of the cross bar 4 .

[0025] As an embodiment of the present utility model, a V-shaped opening 21 is provided below the base 1 so that the device can be placed on a cylindrical blank with an arc-shaped surface.

[0026] As an embodiment of the present invention, a control panel 22 is fixedly disposed on the base 1 .

[0027] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0028] The working principle and use process of the utility model are as follows: when in use, the device is hoisted onto a cylindrical blank by a crane, the cutting nozzle 7 is ignited, and after the motor 9 is started, the cutting nozzle 7 can move in an arc shape along the outer surface of the cylindrical blank to achieve contour cutting of the cylindrical blank.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A semi-automatic cutting machine for cylindrical blanks, characterized in that: The invention comprises a base (1), a fixed base (2) is arranged on one side above the base (1), two groups of rocking arms (3) are hinged on the fixed base (2), a cross bar (4) is hinged above the two groups of rocking arms (3), the cross bar (4) is parallel to the fixed base (2), a mounting block (5) is arranged on the cross bar (4), a sliding bar (6) capable of adjusting the height is slidably arranged on the mounting block (5), a cutting nozzle (7) is installed at the bottom of the sliding bar (6), a reducer (8) is fixedly arranged on the base (1), a power input end of the reducer (8) is connected to a motor (9), a power output end of the reducer (8) is connected to a crank (10), one end of a rocking arm (11) is hinged at the end of the crank (10), and the other end of the rocking arm (11) is hinged on the rocking arm (3).

2. A semi-automatic cylindrical blank cutting machine according to claim 1, characterized in that: A damping shaft (14) is fixedly connected to one side of the bottom of the rocker arm (3), and the axis centerline of the damping shaft (14) is colinear with the axis centerline of the hinge at the bottom of the rocker arm (3). A pair of mounting columns (12) are fixedly arranged on the base (1), and two freely slidable brake blocks (13) are arranged on the pair of mounting columns (12). The two brake blocks (13) are respectively placed on the upper and lower sides of the damping shaft (14), and the mounting columns (12) are also provided with a spring (15) for pushing the two brake blocks (13) to move closer to each other.

3. A semi-automatic cylindrical blank cutting machine according to any one of claims 1 or 2, characterized in that: One end of a tension spring (18) is mounted on the fixing seat (2), and the other end of the tension spring (18) is hung on the rocker arm (3).

4. The semi-automatic cylindrical blank cutting machine according to claim 1, characterized in that: Side panels (16) are provided on both sides of the base (1), and lifting holes (17) are provided on the side panels (16).

5. The semi-automatic cylindrical blank cutting machine according to claim 1, characterized in that: Each group of rocker arms (3) comprises two rocker arms (3) which are respectively hinged to the front and rear sides of the fixing seat (2) via shafts. The rocker arms (3) are provided with a plurality of adjustment holes (19) along their length direction for mounting the crossbar (4). By mounting the crossbar (4) in the adjustment holes (19) at different heights, the spacing between the crossbar (4) and the base (1) can be adjusted.

6. A semi-automatic cylindrical blank cutting machine according to any one of claims 1 or 5, characterized in that: The cross bar (4) is provided with a sliding opening (20), the mounting block (5) can be fixed in the sliding opening (20) by means of bolts, and the position of the mounting block (5) can be adjusted along the length direction of the cross bar (4).

7. The semi-automatic cylindrical blank cutting machine according to claim 1, characterized in that: A V-shaped opening (21) is provided below the base (1).

8. The semi-automatic cylindrical blank cutting machine according to claim 1, characterized in that: A control panel (22) is fixedly arranged on the base (1).

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