Wide track numerically controlled flame projection apparatus

By introducing inclined horizontal and vertical swing mechanisms and a fuel storage system into the flame-spraying device, the problems of complex programming and slow operation of existing flame-spraying devices have been solved, achieving stability and continuity of flame spray, and improving ignition success rate and equipment safety.

CN116459531BActive Publication Date: 2026-05-05HJC WATER FOUNTAIN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HJC WATER FOUNTAIN CO LTD
Filing Date
2023-04-13
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing flame-spraying devices are complex to program, slow to operate in practice, difficult to control the direction of flame spray, have a low success rate of continuous ignition, and are unstable.

Method used

The wide-gauge CNC flame-throwing equipment uses a tilted lateral and longitudinal swing mechanism combined with a fuel storage mechanism to achieve flexible adjustment of the flame jet angle. Worm gear and worm wheel reducers are used to improve the continuity of action, and ultraviolet sensors and solenoid valves are added to ensure ignition stability.

Benefits of technology

The programming actions are more intuitive and simple, the actual actions are faster, the flame jet continuity is good, the ignition success rate is high, and the equipment safety and reliability are improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN116459531B_ABST
Patent Text Reader

Abstract

This invention discloses a wide-track CNC flame-spraying device in the field of fountains, including a base with a fuel storage mechanism on it. The fuel storage mechanism is connected to a horizontal swing mechanism, which is connected to a vertical swing mechanism. The vertical swing mechanism is connected to a flame-spraying mechanism. The horizontal swing mechanism is inclined upward relative to the horizontal direction, and the initial position of the flame-spraying mechanism forms an angle with the horizontal swing mechanism in the vertical direction. It can realize the change of flame spray angle, that is, the change of spray angle on the vertical circumference. Since both swing mechanisms can change the flame spray angle, the program is simpler and the actual swing action is faster when programming the actual spray angle change. Moreover, due to the addition of the energy storage mechanism, the spray pressure is always within the working pressure range during each fuel injection, resulting in a higher success rate and improved ignition stability during continuous ignition.
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Description

Technical Field

[0001] This invention relates to a wide-track CNC flame-spraying device in the field of fountains. Background Technology

[0002] A novel three-dimensional flame-spraying device is disclosed in the prior art (publication number: CN105032680B, publication date: May 31, 2017). This relates to the field of nozzle structures for water feature fountains, including a hollow base, a hollow rotating support, a first rotating component, a second rotating component, and a flame-spraying component. The first rotating component includes a first motor, a main shaft, and a main shaft rotating seat. Both the first motor and the main shaft rotating seat are fixedly connected within the base and are vertically arranged. The main shaft is inserted into the main shaft rotating seat, with its top end extending outside the base. The first motor and the main shaft are linked. This invention ultimately allows the nozzle connected in the middle of the secondary shaft to spray flames in any direction, effectively achieving omnidirectional flame spraying with excellent aesthetics and flexibility. However, because the rotation is a combination of vertical and horizontal directions, the direction control of the flame spray is relatively complex. The programming is not intuitive or simple, and the actual rotation is clumsy and slow. Furthermore, the flame spray pressure is insufficient, resulting in a low success rate and unstable ignition during continuous ignition. Summary of the Invention

[0003] The purpose of this invention is to provide a wide-gauge CNC flame-throwing device that is more intuitive and simple to program, faster to operate, has a higher ignition success rate and more stable ignition in continuous ignition operation.

[0004] To achieve the above objectives, the present invention provides a wide-gauge CNC flame-throwing device, including a base, on which a fuel storage mechanism is provided. The fuel storage mechanism is then connected to a transverse swing mechanism, which is connected to a longitudinal swing mechanism. The longitudinal swing mechanism is connected to a flame-throwing mechanism. The transverse swing mechanism is inclined upward relative to the horizontal direction, and the initial position of the flame-throwing mechanism and the transverse swing mechanism form an angle in the vertical direction.

[0005] Compared with the prior art, the beneficial effects of the present invention are as follows: by using the tilted lateral swing mechanism, the lateral swing mechanism can directly drive the flame-spraying mechanism to move on a circle at a certain angle to the horizontal direction when it is in action. The flame spray angle can be changed by the lateral swing mechanism alone, and the flame spray angle can also be changed by using the longitudinal swing mechanism alone. That is, the spray angle is changed on the vertical circumference. Since both swing mechanisms can change the flame spray angle, the program is simpler and the actual swing action is faster when programming the actual spray angle change action. Moreover, due to the addition of the energy storage mechanism, the injection pressure is always within the working pressure range during each fuel injection, resulting in a higher success rate during continuous ignition and improved ignition stability.

[0006] As a further improvement of the present invention, the fuel storage mechanism includes a fuel inlet, which is connected to one inlet of a threaded tee via a copper pipe. The other inlet of the threaded tee is connected to an energy storage device. The outlet of the threaded tee is connected to a transverse rotary joint via a copper pipe. The transverse rotary joint is mounted on a transverse support, and the transverse support is fixedly connected to a transverse swing mechanism.

[0007] In this way, fuel is introduced through the fuel inlet, and the accumulator connected in the threaded tee can store energy, so that when the fuel is finally injected from the ignition mechanism, the fuel pressure is always kept within the working pressure range, avoiding the fuel pressure drop caused by continuous injection, which would affect the ignition success rate.

[0008] As a further improvement of the present invention, the transverse swing mechanism includes a transverse motor and a reducer. The transverse motor and reducer are mounted on an equipment bracket, which is mounted on a base. The motor is connected to the worm gear of the reducer. The worm gear is equipped with a worm wheel, which is sleeved on the outer periphery of the transverse oil passage pipe. The transverse oil passage pipe is inclined upward relative to the horizontal direction. The inlet shaft of the worm wheel is connected to the rotary joint through a ball bearing and an inlet sleeve. The outlet shaft of the worm wheel is connected to the outlet flange. The outlet flange is connected to the longitudinal swing mechanism. The oil inlet end of the transverse oil passage pipe is inserted into the inner core of the rotary joint and communicates with the copper pipe. The oil outlet end of the transverse oil passage pipe extends out of the outlet flange and is connected to the longitudinal swing mechanism. The transverse bracket is connected to the housing of the reducer.

[0009] The rotation of the transverse motor, through a worm gear and worm wheel reduction, causes the transverse oil pipe connected to the worm wheel to rotate. This rotation of the outlet flange, transverse oil pipe, and rotary joint, in turn, drives the longitudinal swing mechanism and the flame-spraying mechanism to rotate together. Since the transverse oil pipe is inclined upward relative to the horizontal, the longitudinal swing mechanism and the flame-spraying mechanism together form an upward angle with the horizontal plane. At the same time, since the initial position of the flame-spraying mechanism forms an angle with the transverse swing mechanism in the vertical direction, the movement trajectory of the flame-spraying mechanism is on a circle between the horizontal and vertical planes when the transverse motor rotates. Thus, the rotation of the transverse motor can change the flame-spraying angle. Simultaneously, the copper pipe injects fuel through the inner core of the rotary joint into the transverse oil pipe, allowing the fuel to be transferred to the transverse swing mechanism.

[0010] As a further improvement of the present invention, the longitudinal swing mechanism includes a longitudinal mounting plate, on both sides of which are respectively provided a transmission side plate and an oil passage side plate. The longitudinal mounting plate is connected to the outlet flange. The oil outlet end of the transverse oil passage pipe passes through the outlet of the flange and is connected to the longitudinal oil passage pipe via a threaded elbow. The longitudinal oil passage pipe passes through the inner side of the oil passage side plate and is connected to the longitudinal rotary joint. The longitudinal rotary joint is set on the outer side of the oil passage side plate via a longitudinal bracket. The longitudinal rotary joint is connected to one end of the longitudinal rotating shaft. The longitudinal oil passage pipe is connected to the hollow part of the longitudinal rotating shaft via the longitudinal rotary joint. The outer periphery of the longitudinal rotating shaft is connected to the flame-spraying mechanism. The other end of the longitudinal rotating shaft passes through the inner side of the transmission side plate and is connected to the passive synchronous wheel. The passive synchronous wheel is set on the outer side of the transmission side plate. The passive synchronous wheel is connected to the active synchronous wheel via a synchronous belt. The active synchronous wheel is connected to the longitudinal motor. The longitudinal motor is set on the inner side of the transmission side plate. The longitudinal rotating shaft and the transverse oil passage pipe are arranged perpendicular to each other.

[0011] In this way, the longitudinal mounting plate, the transmission side plate, and the oil passage side plate constitute the frame of the longitudinal swing mechanism. This frame can rotate under the drive of the outlet flange. The longitudinal motor rotates, which drives the longitudinal shaft to rotate through two synchronous pulleys. This allows the flame-spraying mechanism on the outer periphery of the longitudinal shaft to rotate, thereby changing the flame-spraying angle. It can also cooperate with the transverse swing mechanism to spray a more three-dimensional flame shape. Fuel is injected from the transverse oil passage into the threaded elbow, then flows into the longitudinal oil passage, and enters the hollow part of the longitudinal shaft through the longitudinal oil passage, and finally enters the flame-spraying mechanism.

[0012] As a further improvement of the present invention, the flame-spraying mechanism includes a flame-spraying bracket connected to the outer periphery of a longitudinal rotating shaft. An ignition ceramic needle is installed on the upper part of the flame-spraying bracket, and a high-voltage coil is matched with the ignition ceramic needle. The high-voltage coil is located at the lower part of the flame-spraying bracket. A nozzle is provided on the longitudinal rotating shaft, and the nozzle is connected to the hollow part of the longitudinal rotating shaft. A solenoid valve is matched with the nozzle, and the oil injection port of the nozzle corresponds vertically to the tip of the ignition ceramic needle.

[0013] In this way, the fuel injection is controlled by a solenoid valve, and the high-voltage coil provides high-voltage electricity to the ignition needle. When the fuel is injected, the ignition needle ignites the fuel, thus producing a flame.

[0014] As a further improvement of the present invention, a protective shell is provided on the outer periphery of the fuel storage mechanism, and protective covers are provided on the outer sides of the oil passage side plate and the transmission side plate. A fireproof protective cover is provided on the outer periphery of the flame-spraying mechanism. A flame-spraying nozzle is provided on the top of the fireproof protective cover. The flame-spraying nozzle corresponds vertically to the oil spraying nozzle of the nozzle. Ventilation windows are provided on the three sides of the fireproof protective cover near the oil spraying nozzle.

[0015] In this way, the protective shell can protect the fuel storage mechanism, the protective cover can also protect the various components on the outer side of the oil side plate and the transmission side plate, and the fireproof protective cover can separate the flame-spraying mechanism from other mechanisms, thereby protecting other mechanisms from being burned by the flame. In addition, the fireproof protective cover has ventilation windows, which, together with the flame-spraying nozzle at the top, form good air circulation, thereby ensuring the normal ignition of the flame.

[0016] As a further improvement of the present invention, a limiting bracket is provided on the equipment support, and a transverse limiting block is provided on the limiting bracket. A transverse limiting baffle is provided on both sides of the transverse limiting block, and the transverse limiting baffle is respectively provided on both sides of the bottom of the longitudinal mounting plate. A longitudinal limiting block is provided on the top of the longitudinal mounting plate and the lower part of the inner side of the transmission side plate. The longitudinal limiting block cooperates with the fireproof protective cover.

[0017] In the event of a malfunction, if the motor continues to rotate uncontrollably, the lateral limit baffle will collide with the lateral limit block, which can forcefully stop the lateral motor from rotating and prevent the cable from being damaged by continuous rotation. Similarly, if the longitudinal limit baffle collides with the longitudinal limit block, the longitudinal motor will be forced to stop rotating, thus preventing the flame-spraying mechanism from colliding with the longitudinal mounting plate and the longitudinal motor, which could cause damage.

[0018] As a further improvement of the present invention, an ultraviolet sensor is installed on the upper part of the flame-throwing bracket. The sensing end of the ultraviolet sensor extends out of the heat insulation plate and corresponds to the tip of the ignition ceramic needle. The heat insulation plate is installed on the ignition ceramic needle, and an insulating plate is provided between the mounting end of the ignition ceramic needle and the ignition bracket.

[0019] This heat insulation plate reduces the impact of the high temperature of the flame on the wiring terminals of the ignition ceramic needle, extending its service life. The insulation plate also ensures wiring safety. When the ignition coil fails or there is no arc due to other faults, the ultraviolet sensor will not detect ultraviolet light, thus preventing the solenoid valve from opening and avoiding fuel spraying. This saves fuel when the equipment fails and increases safety during maintenance.

[0020] As a further improvement of the present invention, a transverse sensing bracket is provided on the housing of the reducer near the outlet flange, and a transverse sensing switch is provided on the transverse sensing bracket. The transverse sensing switch is equipped with a transverse sensing protrusion, which is located on the outer periphery of the transverse sensing collar. The transverse sensing collar is located on the outer periphery of the outlet shaft near the outlet flange. A longitudinal sensing switch is provided on the outer side of the oil passage plate. The sensing end of the longitudinal sensing switch passes through the outer side of the oil passage plate. The longitudinal sensing switch is equipped with a longitudinal sensing protrusion, which is located on the side of the fireproof protective cover opposite to the sensing end of the longitudinal sensing switch.

[0021] After the equipment is powered on, the horizontal and vertical motors rotate counterclockwise, causing the horizontal sensing ring and the fireproof cover to rotate respectively. When the sensing protrusion on the sensing ring is detected by the horizontal sensing switch, the horizontal motor rotates clockwise by the set angle according to the program, so that the vertical mechanism returns to its initial position (i.e., parallel to the ground). Similarly, when the vertical sensing protrusion on the fireproof cover is detected by the vertical sensing switch, the vertical motor rotates clockwise by the set angle, so that the flame-spraying mechanism returns to its initial position (i.e., perpendicular to the ground). Afterwards, as long as the power is not interrupted, the equipment stops flame spraying after each set of spraying actions, and the horizontal and vertical motors rotate back to their initial positions.

[0022] As a further improvement of the present invention, the threaded tee is fixed on the oil pipe bracket, and the oil pipe bracket is installed on the base; a sensor cable fixing clip is provided on one side plate of the equipment bracket on the same side as the horizontal induction switch, and a cable fixing clip is also provided on the base, with the cable fixing clip located between the two side plates of the equipment bracket.

[0023] In this way, the sensing circuit of the horizontal induction switch is fixed by the fixing clip, while the circuit of the motor and other equipment can be fixed by the circuit fixing clip and run along the equipment bracket, so that the wiring layout is neat and reliable. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 .

[0025] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 .

[0026] Figure 3 This is a schematic diagram of the structure of the present invention. Figure 3 .

[0027] Figure 4 This is a schematic diagram of the main structure of the present invention.

[0028] Figure 5 This is a schematic diagram of the device support structure of the present invention.

[0029] Figure 6 This is a schematic diagram of the energy storage mechanism of the present invention.

[0030] Figure 7 This is a schematic diagram of the transverse swing mechanism of the present invention.

[0031] Figure 8 This is a cross-sectional view of the lateral swing mechanism of the present invention.

[0032] Figure 9 This is a schematic diagram of the main structure of the longitudinal swing mechanism of the present invention.

[0033] Figure 10 This is a schematic diagram of the main structure of the flame-throwing mechanism of the present invention. Figure 1 .

[0034] Figure 11 This is a schematic diagram of the main structure of the flame-throwing mechanism of the present invention. Figure 2 .

[0035] Figure 12 This is a magnified view of a portion of point A in the diagram.

[0036] Figure 13 This is a magnified view of a portion of point B in the diagram.

[0037] Figure 14 This is an example of a trajectory diagram for a traditional device.

[0038] Figure 15 This is an example of a trajectory diagram for the present invention.

[0039] The components include: 1. Protective cover; 2. Fireproof protective cover; 3. Ventilation window; 4. Flame nozzle; 5. Horizontal motor; 6. Equipment bracket; 7. Base; 8. Protective shell; 9. Horizontal limiting baffle; 10. Horizontal limiting block; 11. Longitudinal motor; 12. Longitudinal limiting block; 13. Longitudinal mounting plate; 14. Passive synchronous pulley; 15. Transmission side plate; 16. Active synchronous pulley; 17. Induction cable fixing clip; 18. Limiting bracket; 19. Cable fixing clip; 20. Horizontal rotary joint; 21. Horizontal bracket; 22. Copper pipe; 23. Threaded tee; 24. Oil pipe bracket; 25. Fuel inlet; 26. Horizontal induction collar; 27. Horizontal induction protrusion. 28 Threaded bend, 29 Outlet flange, 30 Lateral inductive switch, 31 Lateral inductive support, 32 Reducer, 33 Ball bearing, 34 Outlet shaft, 35 Lateral oil pipe, 36 Worm gear, 37 Inlet sleeve, 38 Inlet shaft, 39 Oil side plate, 40 Longitudinal rotary joint, 41 Longitudinal oil pipe, 42 Flame holder, 43 Longitudinal support, 44 Ultraviolet sensor, 45 Ignition ceramic needle, 46 Insulation board, 47 Heat insulation board, 48 Solenoid valve, 49 Longitudinal rotating shaft, 50 High-voltage coil, 51 Nozzle, 52 Oil nozzle, 53 Longitudinal inductive protrusion, 54 Longitudinal inductive switch, 55 Accumulator. Implementation

[0040] The present invention will be further described below with reference to the accompanying drawings:

[0041] like Figure 1-13 The wide-gauge CNC flame-spraying device shown includes a base 7, on which a fuel storage mechanism is provided. The fuel storage mechanism is then connected to a transverse swing mechanism, which is connected to a longitudinal swing mechanism. The longitudinal swing mechanism is connected to a flame-spraying mechanism. The transverse swing mechanism is inclined upward relative to the horizontal direction, and the initial position of the flame-spraying mechanism and the transverse swing mechanism form an angle in the vertical direction.

[0042] The fuel storage mechanism includes a fuel inlet 25, which is connected to one inlet of a threaded tee 23 via a copper pipe 22. The other inlet of the threaded tee 23 is connected to an accumulator 55. The outlet of the threaded tee 23 is connected to a transverse rotary joint 20 via a copper pipe 22. The transverse rotary joint 20 is mounted on a transverse support 21, which is fixedly connected to a transverse swing mechanism.

[0043] The transverse swing mechanism includes a transverse motor 5 and a reducer 32. The transverse motor 5 and the reducer 32 are mounted on a device support 6, which is mounted on a base 7. The motor is connected to the worm gear of the reducer 32. The worm gear is equipped with a worm wheel 36, which is sleeved on the outer periphery of the transverse oil pipe 35. The transverse oil pipe 35 is inclined upward relative to the horizontal direction. The inlet shaft 38 of the worm wheel 36 is connected to the rotary joint through a ball bearing 33 and an inlet sleeve 37. The outlet shaft 34 of the worm wheel 36 is connected to the outlet flange 29, which is connected to the longitudinal swing mechanism. The oil inlet end of the transverse oil pipe 35 is inserted into the inner core of the rotary joint and communicates with the copper pipe 22. The oil outlet end of the transverse oil pipe 35 extends out of the outlet flange 29 and is connected to the longitudinal swing mechanism. The transverse support 21 is connected to the housing of the reducer 32.

[0044] The longitudinal swing mechanism includes a longitudinal mounting plate 13. A transmission side plate 15 and an oil passage side plate 39 are respectively provided on both sides of the longitudinal mounting plate 13. The longitudinal mounting plate 13 is connected to an outlet flange 29. The oil outlet end of the transverse oil passage pipe 35 passes through the outlet of the flange and is connected to the longitudinal oil passage pipe 41 via a threaded elbow. The longitudinal oil passage pipe 41 passes through the inner side of the oil passage side plate 39 and is connected to a longitudinal rotary joint 40. The longitudinal rotary joint 40 is mounted on the outer side of the oil passage side plate 39 via a longitudinal bracket 43. The longitudinal rotary joint 40 is connected to one end of the longitudinal rotating shaft 49. Pipe 41 is connected to the hollow part of longitudinal rotating shaft 49 via longitudinal rotary joint 40. The outer periphery of longitudinal rotating shaft 49 is connected to flame-spraying mechanism. The other end of longitudinal rotating shaft 49 passes through the inner side of transmission side plate 15 and is connected to passive synchronous wheel 14. Passive synchronous wheel 14 is located on the outer side of transmission side plate 15. Passive synchronous wheel 14 is connected to active synchronous wheel 16 via synchronous belt. Active synchronous wheel 16 is connected to longitudinal motor 11. Longitudinal motor 11 is located on the inner side of transmission side plate 15. Longitudinal rotating shaft 49 and transverse oil pipe 35 are arranged perpendicular to each other.

[0045] The flame-throwing mechanism includes a flame-throwing bracket 42, which is connected to the outer periphery of a longitudinal rotating shaft 49. An ignition ceramic needle 45 is installed on the upper part of the flame-throwing bracket 42. The ignition ceramic needle 45 is equipped with a high-voltage coil 50, which is located at the lower part of the flame-throwing bracket 42. A nozzle 51 is installed on the longitudinal rotating shaft 49. The nozzle 51 is connected to the hollow part of the longitudinal rotating shaft 49. A solenoid valve 48 is installed on the nozzle 51. The oil injection port 52 of the nozzle 51 corresponds vertically to the tip of the ignition ceramic needle 45.

[0046] The outer periphery of the fuel storage mechanism is provided with a protective shell 8, and the outer sides of the oil-passing side plate 39 and the transmission side plate 15 are provided with protective covers 1. The outer periphery of the flame-spraying mechanism is provided with a fireproof protective cover 2. The top of the fireproof protective cover 2 is provided with a flame-spraying port 4, which corresponds vertically to the oil-spraying port 52 of the nozzle 51. Ventilation windows 3 are provided on the three sides of the fireproof protective cover 2 near the oil-spraying port 52.

[0047] A limit bracket 18 is provided on the equipment bracket 6. A transverse limit block 10 is provided on the limit bracket 18. A transverse limit baffle 9 is provided on both sides of the transverse limit block 10. The transverse limit baffle 9 is respectively provided on both sides of the bottom of the longitudinal mounting plate 13. A longitudinal limit block 12 is provided on the top of the longitudinal mounting plate 13 and the lower part of the inner side of the transmission side plate 15. The longitudinal limit block 12 cooperates with the fireproof protective cover 2.

[0048] An ultraviolet sensor 44 is installed on the upper part of the flame-throwing bracket 42. The sensing end of the ultraviolet sensor 44 extends out of the heat insulation plate 47 and corresponds to the tip of the ignition ceramic needle 45. The heat insulation plate 47 is installed on the ignition ceramic needle 45. An insulating plate 46 is provided between the mounting end of the ignition ceramic needle 45 and the ignition bracket.

[0049] A transverse sensing bracket 31 is provided on the housing of the reducer 32 near the outlet flange 29. A transverse sensing switch 30 is provided on the transverse sensing bracket 31. The transverse sensing switch 30 is equipped with a transverse sensing protrusion 27. The transverse sensing protrusion 27 is located on the outer periphery of the transverse sensing collar 26. The transverse sensing collar 26 is located on the outer periphery of the outlet shaft 34 near the outlet flange 29. A longitudinal sensing switch 54 is provided on the outer side of the oil passage side plate 39. The sensing end of the longitudinal sensing switch 54 passes through the outer side of the oil passage side plate 39. The longitudinal sensing switch 54 is equipped with a longitudinal sensing protrusion 53. The longitudinal sensing protrusion 53 is located on the fireproof protective cover 2 on the side opposite to the sensing end of the longitudinal sensing switch 54.

[0050] The threaded tee 23 is fixed on the oil pipe bracket 24, and the oil pipe bracket 24 is installed on the base 7; the equipment bracket 6 is provided with a sensor cable fixing clip 17 on one side plate on the same side as the horizontal induction switch 30, and the base 7 is also provided with a cable fixing clip 19, which is located between the two side plates of the equipment bracket 6.

[0051] In this invention, the transverse swing mechanism and the longitudinal swing mechanism need to be adjusted to their initial positions before leaving the factory. First, the transverse swing mechanism is adjusted. After power is applied, the transverse motor 5 rotates counterclockwise, thereby driving the worm and worm wheel 36 to rotate counterclockwise. As a result, the transverse sensing collar 26 connected to the outlet shaft 34 of the worm wheel 36 rotates accordingly. When the transverse sensing switch 30 senses the transverse sensing protrusion 27 on the transverse sensing collar 26, it controls the transverse motor 5 to rotate clockwise until both ends of the longitudinal mounting plate 13 are at the same height. The angle of clockwise rotation of the transverse motor 5 is recorded in the program, and the state at this time is set as the initial position of the entire longitudinal swing mechanism.

[0052] Similarly, the longitudinal swing mechanism is then adjusted. After power is applied, the longitudinal motor 11 rotates counterclockwise, thereby driving the active synchronous wheel 16 to rotate, which in turn causes the passive synchronous wheel 14 to rotate via the synchronous belt. This causes the longitudinal shaft 49 to rotate, resulting in the overall rotation of the flame-spraying mechanism mounted on the outer periphery of the longitudinal shaft 49. When the transverse induction switch 30 senses the longitudinal induction protrusion 53 on the fireproof protective cover 2, it controls the longitudinal motor 11 to rotate clockwise until the flame-spraying mechanism is vertically upward. The angle of clockwise rotation of the longitudinal motor 11 is recorded in the program, and this state is set as the initial position of the flame-spraying mechanism.

[0053] When the equipment is powered on, it first finds its initial position. The controller controls the horizontal motor 5 and the vertical motor 11 to rotate counterclockwise until the horizontal sensor switch 30 senses the horizontal sensor protrusion 27 and the vertical sensor switch 54 senses the vertical sensor protrusion 53. The angle recorded when the horizontal motor 5 rotates clockwise for adjustment and the corresponding angle recorded when the vertical motor 11 rotates clockwise for adjustment are also recorded, so that the equipment is in its initial position. After that, as long as the power is not interrupted, the equipment does not need to perform the initial position finding action again.

[0054] When a flame needs to be sprayed and swayed into a corresponding shape, fuel is introduced through fuel inlet 25, and energy is stored in accumulator 55 to ensure that the fuel pressure is always within the rated working pressure range. The fuel is injected into the transverse oil pipe 35 through the inner core of the rotary joint via copper pipe 22, and then into the longitudinal oil pipe 41 through threaded bend 28, and injected into the hollow part of the longitudinal rotating shaft 49. The ignition ceramic needle 45 is ignited under the action of high voltage coil 50. If ignition is successful, the solenoid valve 48 is opened, and fuel is sprayed out from the fuel injection port 52 of nozzle 51, and then ignited by the ignition ceramic needle 45, and a flame is sprayed out from the flame nozzle 4.

[0055] The horizontal motor 5 and the vertical motor 11 rotate at corresponding angles according to the program control. When the horizontal motor 5 rotates, the worm gear rotates, which drives the turbine to rotate, thereby causing the outlet flange 29 connected to the outlet shaft 34 of the worm wheel 36 to rotate. The outlet flange 29 is fixedly connected to the vertical mounting plate 13, which can drive the vertical mounting plate 13 to rotate around the axis of the worm wheel 36. Since the spraying mechanism is mounted on the vertical swing mechanism, the spraying mechanism and the vertical mounting plate 13 form a whole and rotate together. When the vertical motor 11 rotates, it drives the vertical rotating shaft 49 to rotate through the cooperation of the active synchronous wheel 16 and the passive synchronous wheel 14, thereby causing the flame-spraying mechanism mounted on the vertical rotating shaft 49 to rotate. The two motion modes can be performed independently or in combination, so as to display different shapes of the sprayed flame.

[0056] The coordinates of the flame-throwing mechanism are set as the X-axis and Y-axis, where the X-axis corresponds to the transverse oil pipe 35 and the Y-axis corresponds to the longitudinal rotating axis 49. The following is a detailed explanation of one of the motion trajectory controls of the equipment.

[0057] like Figure 14 The traditional equipment movement trajectory is as follows: point A is the flame nozzle 4. To achieve the desired movement, the device needs to move from point A to point B, and then from point B to point C. Since the X-axis is parallel to the horizontal direction and the Y-axis is perpendicular to the horizontal direction, the horizontal motor 5 must first rotate, causing the X-axis axis to rotate 90 degrees clockwise, so that the axis of the vertical axis 49 coincides with AC. Then, the vertical axis 49 is driven by the vertical motor 11 to rotate, thus moving the flame nozzle 4 from point A to point B. After that, the horizontal motor 5 rotates, driving the X-axis axis to rotate, causing the flame nozzle 4 to move from point B to point C. The trajectory is an arc. To achieve a straight trajectory, both the X and Y axes need to coordinate. However, traditional equipment cannot achieve this simply by rotating the X-axis when adjusting the spray angle of the nozzle 4; the Y-axis must also be involved. This coordination is discontinuous, with alternating rotations of the X and Y axes that cannot be coordinated. This results in insufficient continuity in the adjustment of the spray angle and a lack of flexibility and coordination in the shape of the ejected flame. To achieve a straight trajectory in segment BC, several points need to be set in the BC segment during programming. Connecting these points will form the BC line segment; the more points, the straighter the BC line segment. However, too many points greatly complicate programming and cause the horizontal motor 5 and the vertical motor 11 to intermittently start and stop, making the motors more prone to damage due to frequent starts and stops.

[0058] like Figure 15The device's movement trajectory in this invention, with point A being the nozzle 4, needs to move from point A to point B, and then from point B to point C. Since its X-axis is tilted upwards relative to the horizontal direction, while its Y-axis is perpendicular to the X-axis, the horizontal motor 5 first rotates, causing the nozzle 4 to move directly from point A to point B. The nozzle 51 can move from point B to point C along two trajectories: an arc-shaped trajectory and a straight-line trajectory. When BC is an arc-shaped trajectory, waveform control is achieved using two stepper motors, the horizontal motor 5 and the vertical motor 11. When BC is a straight-line trajectory, linear control is achieved using the same two stepper motors. Both the straight-line and arc-shaped trajectories require simultaneous rotation of the horizontal motor 5 and the vertical motor 11, meaning the X-axis and Y-axis movements are coordinated. This results in a more intuitive and continuous trajectory, avoiding damage caused by continuous motor start-stop cycles.

[0059] Compared to transmission devices, the swing mechanism in this invention is a cross-swing adjustment structure. Due to its inclined setting between the X-axis direction and the horizontal plane, the angle of its nozzle 4 can be adjusted independently in both the X-axis and Y-axis directions. The adjustment of a simple single plane is simpler, and the adjustment within the three-dimensional plane formed by the X-axis and Y-axis is also simpler, more intuitive, and has better continuity. At the same time, the programming is also simpler, which is more conducive to the generation of shapes that can be formed by the jet flame.

[0060] The present invention adjusts the longitudinal (Y-axis direction) swing angle by means of a transverse swing mechanism, which is based on the transverse swing mechanism. The transverse swing mechanism has a certain tilt angle with the horizontal plane, thereby increasing the swing angle of the longitudinal swing mechanism and indirectly increasing the range of the entire equipment's spray trajectory.

[0061] This invention features two mutually perpendicular cross-shaped swing axes, making programming more intuitive and simpler, and enabling faster and more continuous operation. The device bracket 6 has an inclination angle, increasing the Y-axis swing angle for a larger swing range. The ignition device incorporates an ultraviolet detection protection system; in the event of an ignition coil malfunction or other faults preventing the arc from being released, the system will not open the solenoid valve 48 or nozzle 51, saving fuel during equipment failure and increasing safety during maintenance. During maintenance, it prevents accidental opening of the solenoid valve 48, which could result in pressurized fuel spraying and injury; the solenoid valve 48 cannot open when there is no ignition, greatly improving safety. The X-axis is replaced with a worm gear reducer 32, reducing the device's size. An integrated accumulator 55 ensures a higher ignition success rate and more stable ignition during continuous ignition operation.

[0062] This invention is not limited to the above embodiments. Based on the technical solutions disclosed herein, those skilled in the art can make some substitutions and modifications to some of the technical features without creative effort, and all such substitutions and modifications are within the protection scope of this invention.

Claims

1. A wide-gauge CNC flame-throwing device, comprising a base, characterized in that, A fuel storage mechanism is installed on the base, and then the fuel storage mechanism is connected to the horizontal swing mechanism, the horizontal swing mechanism is connected to the vertical swing mechanism, the vertical swing mechanism is connected to the flame-spraying mechanism, the horizontal swing mechanism is inclined upward relative to the horizontal direction, and the initial position of the flame-spraying mechanism and the horizontal swing mechanism form an angle in the vertical direction. The fuel storage mechanism includes a fuel inlet, which is connected to one inlet of a threaded tee via a copper pipe. The other inlet of the threaded tee is connected to the accumulator. The outlet of the threaded tee is connected to a transverse rotary joint via a copper pipe. The transverse rotary joint is mounted on a transverse support, which is fixedly connected to a transverse swing mechanism. The transverse swing mechanism includes a transverse motor and a reducer. The transverse motor and reducer are mounted on an equipment bracket, which is mounted on a base. The motor is connected to the worm gear of the reducer. The worm gear is equipped with a worm wheel, which is sleeved on the outer periphery of the transverse oil passage pipe. The transverse oil passage pipe is inclined upward relative to the horizontal direction. The inlet shaft of the worm wheel is connected to the rotary joint through a ball bearing and an inlet sleeve. The outlet shaft of the worm wheel is connected to the outlet flange. The outlet flange is connected to the longitudinal swing mechanism. The oil inlet end of the transverse oil passage pipe is inserted into the inner core of the rotary joint and communicates with the copper pipe. The oil outlet end of the transverse oil passage pipe extends out of the outlet flange and is connected to the longitudinal swing mechanism. The transverse bracket is connected to the housing of the reducer. The longitudinal swing mechanism includes a longitudinal mounting plate, with a transmission side plate and an oil passage side plate on each side of the longitudinal mounting plate. The longitudinal mounting plate is connected to the outlet flange. The oil outlet end of the transverse oil passage pipe passes through the outlet flange and is connected to the longitudinal oil passage pipe via a threaded elbow. The longitudinal oil passage pipe passes through the inner side of the oil passage side plate and is connected to the longitudinal rotary joint. The longitudinal rotary joint is located on the outer side of the oil passage side plate via a longitudinal bracket. The longitudinal rotary joint is connected to one end of the longitudinal rotating shaft. The longitudinal oil passage pipe is connected to the hollow part of the longitudinal rotating shaft via the longitudinal rotary joint. The outer circumference of the longitudinal rotating shaft is connected to the flame-spraying mechanism. The other end of the longitudinal rotating shaft passes through the inner side of the transmission side plate and is connected to the passive synchronous pulley. The passive synchronous pulley is located on the outer side of the transmission side plate. The passive synchronous pulley is connected to the active synchronous pulley via a synchronous belt. The active synchronous pulley is connected to the longitudinal motor, which is located on the inner side of the transmission side plate. The longitudinal rotating shaft and the transverse oil passage pipe are arranged perpendicular to each other.

2. The wide-gauge CNC flame-throwing device according to claim 1, characterized in that: The flame-throwing mechanism includes a flame-throwing bracket connected to the outer periphery of a longitudinal rotating shaft. An ignition ceramic needle is installed on the upper part of the flame-throwing bracket, and the ignition ceramic needle is equipped with a high-voltage coil. The high-voltage coil is located at the lower part of the flame-throwing bracket. A nozzle is installed on the longitudinal rotating shaft, and the nozzle is connected to the hollow part of the longitudinal rotating shaft. A solenoid valve is installed on the nozzle, and the oil injection port of the nozzle corresponds vertically to the tip of the ignition ceramic needle.

3. The wide-gauge CNC flame-throwing device according to claim 2, characterized in that: The fuel storage mechanism is equipped with a protective shell on its outer periphery. The outer sides of the oil passage side plate and the transmission side plate are equipped with protective covers. The flame-spraying mechanism is equipped with a fireproof protective cover on its outer periphery. The top of the fireproof protective cover is equipped with a flame nozzle, which corresponds vertically to the oil spray nozzle of the nozzle. Ventilation windows are provided on the three sides of the fireproof protective cover near the oil spray nozzle.

4. The wide-gauge CNC flame-throwing device according to claim 3, characterized in that: The equipment support is equipped with a limit bracket, which is equipped with a lateral limit block. Lateral limit baffles are provided on both sides of the lateral limit block. The lateral limit baffles are respectively provided on both sides of the bottom of the longitudinal mounting plate. Longitudinal limit blocks are provided on the top of the longitudinal mounting plate and the lower part of the inner side of the transmission side plate. The longitudinal limit blocks cooperate with the fireproof protective cover.

5. A wide-gauge CNC flame-throwing device according to claim 4, characterized in that: An ultraviolet sensor is installed on the upper part of the flame-throwing bracket. The sensing end of the ultraviolet sensor extends out of the heat insulation plate and corresponds to the tip of the ignition ceramic needle. The heat insulation plate is installed on the ignition ceramic needle, and an insulating plate is provided between the mounting end of the ignition ceramic needle and the ignition bracket.

6. A wide-gauge CNC flame-throwing device according to claim 5, characterized in that: The reducer housing is equipped with a transverse sensing bracket near the outlet flange. A transverse sensing switch is installed on the transverse sensing bracket. The transverse sensing switch is equipped with a transverse sensing protrusion. The transverse sensing protrusion is located on the outer periphery of the transverse sensing collar. The transverse sensing collar is located on the outer periphery of the outlet shaft near the outlet flange. A longitudinal sensing switch is installed on the outer side of the oil-passing side plate. The sensing end of the longitudinal sensing switch passes through the outer side of the oil-passing side plate. The longitudinal sensing switch is equipped with a longitudinal sensing protrusion, which is set on the side of the fireproof protective cover that is directly opposite the sensing end of the longitudinal sensing switch.

7. A wide-gauge CNC flame-throwing device according to claim 6, characterized in that: The threaded tee is fixed to the oil pipe bracket, which is installed on the base. A sensor cable fixing clip is provided on one side plate of the equipment bracket on the same side as the horizontal induction switch. A cable fixing clip is also provided on the base, and the cable fixing clip is located between the two side plates of the equipment bracket.

Citation Information

Patent Citations

  • A three-dimensional flame-throwing device

    CN105032680B

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    CN105032680A

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    CN105562279A