Groove cutting device

Abstract

The invention discloses a groove cutting device which comprises a cutting torch fixing sleeve, a rotating shaft, a dial and a supporting frame, the cutting torch fixing sleeve is sleeved with and fixed to one end of the rotating shaft, the other end of the rotating shaft is rotationally connected with the dial, and the dial is fixedly connected with the supporting frame; scale marks are arranged on the peripheral edge of the dial, the scale marks located on the left side and the right side of the dial are symmetrically distributed, the scale range of each side ranges from 0 degree to 180 degrees, and the axis of the cutting torch fixing sleeve is perpendicular to the rotating shaft, so that the cutting torch can be adjusted at any angle or all angles, and the cutting torch can adapt to cutting of different grooves. In addition, the groove cutting accuracy and cutting efficiency can be improved, and repair procedures are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of groove cutting, and in particular to a groove cutting device. Background Art

[0002] In the manufacturing process of large cruise ships, PCTC car roll-on / roll-off ships, etc., there are extremely high requirements for the cutting accuracy of the groove, especially in the cutting of 1:5 transition grooves. However, there are currently two major technical difficulties: First, the existing large-scale transition bevel cutting process cannot meet the precision requirements required for large cruise ship manufacturing, resulting in frequent rework in subsequent processes, increasing production costs and time; second, on the semi-automatic cutting equipment currently used, the scale marking range of the cutting torch is small, usually only up to 60 degrees, which greatly limits the precise adjustment of the cutting angle and affects the cutting quality of the groove. Summary of the invention

[0003] In order to overcome the defects in the prior art that a large-ratio transition bevel cutting process cannot meet the required precision requirements and the existing automatic cutting equipment has a small cutting angle adjustment range, the present invention provides a bevel cutting device.

[0004] The present invention solves the above technical problems through the following technical solutions:

[0005] The present invention provides a bevel cutting device, which comprises: a cutting nozzle fixing sleeve, a rotating shaft, a scale plate and a supporting frame, wherein one end of the rotating shaft is sleeved with and fixed to the cutting nozzle fixing sleeve, the other end of the rotating shaft is rotatably connected to the scale plate, and the scale plate is fixedly connected to the supporting frame; scale lines are arranged on the outer peripheral edge of the scale plate, the scale lines on the left and right sides of the scale plate are symmetrically distributed, and the scale range on each side is 0 degrees to 180 degrees, and the axis of the cutting nozzle fixing sleeve is perpendicular to the rotating shaft.

[0006] In the present scheme, the support frame is used to support and fix the dial, and the cutting nozzle sleeve is sleeved and fixed on one end of the rotating shaft, so that the cutting nozzle fixing sleeve and the rotating shaft rotate synchronously, and the other end of the rotating shaft is rotatably connected to the dial to facilitate the rotation of the rotating shaft relative to the dial. The axis of the cutting nozzle fixing sleeve is perpendicular to the rotating shaft, so that the angle of rotation of the cutting nozzle is the same as the degree of rotation of the rotating shaft, which is intuitively reflected on the dial. The outer peripheral edge of the dial is provided with scale lines, and the scale lines on the left and right sides of the dial are symmetrically distributed, and the scale range on each side is 0 degrees to 180 degrees, so as to realize arbitrary angle or full angle adjustment, which can adapt to different bevel cutting.

[0007] Preferably, the scale lines include a ten-degree scale marking line, a five-degree scale marking line and a two-and-a-half-degree scale marking line. Starting from the lowest point of the dial, digital markings are made every 30 degrees on the left and right sides of the dial, wherein the lowest point of the dial corresponds to the 0-degree digital marking and the highest point of the dial corresponds to the 180-degree digital marking.

[0008] In this solution, the scale lines include ten-degree scale marking lines, five-degree scale marking lines and two-and-a-half-degree scale marking lines and digital markings every 30 degrees, with a minimum accuracy of 2.5 degrees, thus achieving flexible measurement from rough to high-precision, significantly improving measurement efficiency and accuracy. At the same time, the intuitiveness of the digital markings reduces human errors and enhances measurement reliability.

[0009] Preferably, among the ten-degree scale marking line, the five-degree scale marking line and the two-and-a-half-degree scale marking line, the two-and-a-half-degree scale marking line is the shortest, and the ten-degree scale marking line is the longest.

[0010] In this solution, scale marking lines of different lengths are used to facilitate observation, achieving the dual functions of rapid positioning and high-precision measurement, improving the accuracy and efficiency of bevel cutting and reducing the rework process in subsequent processes.

[0011] Preferably, an indicator needle is further provided on the rotating shaft at a position close to the scale plate, and an extending direction of the indicator needle is perpendicular to the rotating shaft.

[0012] In this solution, the indicator needle indicates the rotation of the cutting nozzle to the scale position corresponding to the scale on the dial, thereby ensuring the accuracy of the measurement.

[0013] Preferably, a mounting hole is provided at the center of the scale plate, the rotating shaft is located in the mounting hole and is rotatably connected to the scale plate, and screw holes penetrating and communicating with the mounting hole are provided on the circumference of the scale plate.

[0014] In this solution, a mounting hole is provided at the center of the dial, the rotating shaft is located in the mounting hole and is rotatably connected to the dial, and screw holes penetrating and communicating with the mounting hole are provided on the circumference of the dial, which are used to limit the relative position of the rotating shaft and the dial by tightening the screws after the angle is aligned, thereby realizing a locking function so that the angle of the cutting nozzle corresponds to the locked position.

[0015] Preferably, the support frame is L-shaped, including a vertical section and a horizontal section, one end of the horizontal section is adjacent to the vertical section, the other end of the horizontal section is fixedly connected to the dial, and the vertical section can be telescopic in the vertical direction.

[0016] In this solution, the support frame adopts an L-shaped design, the horizontal section is used to fix the dial, and the vertical section is retractable to adjust the height of the cutting nozzle, which enhances the flexibility and applicability of the device, meets different height requirements, and improves operational convenience.

[0017] Preferably, the vertical section is a telescopic rod or a hydraulic rod.

[0018] In this solution, the vertical section adopts a telescopic rod or hydraulic rod design, which realizes precise adjustment of the cutting nozzle height through a simple structure, is easy to operate, and significantly improves the practicality and work efficiency of the device.

[0019] Preferably, the cutting device further comprises a cutting machine and a connecting cross bar, wherein the connecting cross bar is fixed on the cutting machine, and the vertical section is connected to the connecting cross bar.

[0020] In this solution, the vertical section is connected to the connecting cross bar to support the cutting nozzle and the scale plate, thereby ensuring the stability of the overall structure and the convenience of operation.

[0021] Preferably, the outer wall of the vertical section is provided with a snap ring, the snap ring is sleeved on the connecting cross bar, and a locking device is provided on the snap ring to achieve the fixation of the snap ring;

[0022] And / or, the vertical section and the connecting cross bar are both provided with scales.

[0023] In this solution, by installing a clamping ring on the connecting cross bar, the position of the clamping ring on the connecting cross bar can be adjusted, thereby adjusting the position of the vertical section connected to the cross bar, and cooperating with the locking device and the scales set on the vertical section and the connecting cross bar, flexible adjustment and precise positioning of the distance of the cutting nozzle along the direction of the cross bar are achieved, which enhances the applicability and operational convenience of the cutting device and significantly improves the efficiency and accuracy of the cutting operation.

[0024] Preferably, the cutting machine also includes a cutting nozzle and a running wheel, and the running wheel is arranged at the bottom of the cutting machine; the cutting nozzle is placed in the cutting nozzle fixing sleeve, and an air pump is arranged at the end of the connecting cross bar away from the support frame, and the air pump supplies air to the cutting nozzle through an air pipe.

[0025] In this solution, the cutting machine realizes convenient movement of the equipment by setting walking wheels. The air pump is placed at the end of the connecting cross bar away from the support frame, which can not only supply air to the cutting nozzle through the air pipe; it can also act as a counterweight block, making the cutting machine walk more stably, optimizing the overall function, and significantly improving the flexibility, stability and work efficiency of the cutting operation.

[0026] The positive and progressive effects of the present invention are as follows: through the arrangement of the cutting nozzle fixing sleeve, the support frame, the rotating shaft and the dial, the angle of rotation of the cutting nozzle is the same as the degree of rotation of the rotating shaft, which is intuitively reflected on the dial; the outer peripheral edge of the dial is provided with scale lines, the scale lines on the left and right sides of the dial are symmetrically distributed, and the scale range on each side is from 0 degrees to 180 degrees, thereby realizing any angle or full angle adjustment, which can be adapted to different bevel cutting; the scale markings of the dial are accurate, the operation can be more intuitive and accurate, the accuracy and cutting efficiency of bevel cutting are improved, and the rework process of subsequent processes is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A bevel cutting device according to an embodiment of the present invention.

[0028] Figure 2 FIG. 4 is a perspective view of a dial according to an embodiment of the present invention.

[0029] Description of Reference Numerals

[0030] Cutting Nozzle 1

[0031] Reel 2

[0032] Dial 3

[0033] Ten degree scale mark line 4

[0034] Fifth degree scale mark line 5

[0035] 2.5 degree scale mark line 6

[0036] Indicator needle 7

[0037] Mounting holes 8

[0038] Screw hole 9

[0039] Support frame 10

[0040] Cutting machine 11

[0041] Connecting crossbar 12

[0042] Travel wheel 13

[0043] Gas pump 14

[0044] Gas pipeline 15

[0045] Screw 16 DETAILED DESCRIPTION

[0046] The present invention is further described below by way of examples, but the present invention is not limited to the scope of the examples.

[0047] like Figure 1-Figure 2As shown, the present invention provides a bevel cutting device, which includes: a cutting nozzle fixing sleeve, a rotating shaft 2, a scale plate 3 and a support frame 10, one end of the rotating shaft 2 is sleeved and fixed with the cutting nozzle fixing sleeve, the other end of the rotating shaft 2 is rotatably connected to the scale plate 3, and the scale plate 3 is fixedly connected to the support frame 10; scale lines are provided on the outer peripheral edge of the scale plate 3, and the scale lines on the left and right sides of the scale plate 3 are symmetrically distributed, and the scale range on each side is 0 degrees to 180 degrees, and the axis of the cutting nozzle fixing sleeve is perpendicular to the rotating shaft 2.

[0048] The support frame 10 is used to support and fix the dial 3. One end of the rotating shaft 2 is sleeved and fixed with a cutting nozzle 1, so that the cutting nozzle fixing sleeve and the rotating shaft 2 rotate synchronously. The other end of the rotating shaft 2 is rotatably connected to the dial 3 to facilitate the rotation of the rotating shaft 2 relative to the dial 3. The axis of the cutting nozzle fixing sleeve is perpendicular to the rotating shaft 2, so that the rotation angle of the cutting nozzle 1 is the same as the degree of rotation of the rotating shaft 2, so that it is intuitively reflected on the dial 3. The outer peripheral edge of the dial 3 is provided with scale lines, and the scale lines on the left and right sides of the dial 3 are symmetrically distributed, and the scale range of each side is 0 degrees to 180 degrees, so as to realize any angle or full angle adjustment, which can adapt to different groove cutting.

[0049] like Figure 2 As shown, the scale lines on the dial 3 include a ten-degree scale identification line 4, a five-degree scale identification line, and a two-and-a-half-degree scale identification line 6. From the lowest point of the dial 3, digital identification is performed every 30 degrees on the left and right sides of the dial 3, wherein the lowest point of the dial 3 corresponds to the 0-degree digital identification, and the highest point of the dial 3 corresponds to the 180-degree digital identification. With the scale lines including the ten-degree scale identification line 4, the five-degree scale identification line, the two-and-a-half-degree scale identification line 6, and the digital identification every 30 degrees, the minimum accuracy is 2.5 degrees, and flexible measurement from rough to high precision is achieved, which significantly improves the measurement efficiency and accuracy. At the same time, the intuitiveness of the digital identification reduces human errors and enhances the reliability of the measurement, thereby improving the accuracy of the groove cutting and reducing the rework rate.

[0050] Among the ten-degree scale marking line 4, the five-degree scale marking line and the two-and-a-half-degree scale marking line 6, the two-and-a-half-degree scale marking line 6 is the shortest, and the ten-degree scale marking line 4 is the longest. The scale marking lines of different lengths are convenient for observation, and the dual functions of rapid positioning and high-precision measurement are realized, which improves the accuracy and efficiency of bevel cutting and reduces the rework process in subsequent processes.

[0051] An indicator needle 7 is also provided on the rotating shaft 2 near the scale plate 3, and the extending direction of the indicator needle 7 is perpendicular to the rotating shaft 2. The indicator needle 7 is fixed on the rotating shaft 2 and the extending direction of the indicator needle 7 is perpendicular to the rotating shaft 2, and the indicator needle 7 indicates the rotation of the cutting nozzle 1 to the scale position corresponding to the scale plate 3, so as to ensure the accuracy of the measurement.

[0052] like Figure 1-2 As shown, a mounting hole 8 is provided at the center of the scale plate 3, the rotating shaft 2 is located in the mounting hole 8 and is rotatably connected to the scale plate 3, and a screw hole 9 penetrating and communicating with the mounting hole 8 is provided on the circumference of the scale plate 3. A mounting hole 8 is provided at the center of the scale plate 3, the rotating shaft 2 is located in the mounting hole 8 and is rotatably connected to the scale plate 3, and a screw hole 9 penetrating and communicating with the mounting hole 8 is provided on the circumference of the scale plate 3, which is used to limit the relative position of the rotating shaft 2 and the scale plate 3 by inserting a screw 16 and tightening it after aligning the angle, so as to realize the locking function, so that the angle of the cutting nozzle 1 corresponds to the locked position.

[0053] Preferably, the support frame 10 is L-shaped, including a vertical section and a horizontal section, one end of the horizontal section is adjacent to the vertical section, the other end of the horizontal section is fixedly connected to the dial 3, and the vertical section can be telescopic in the vertical direction. The support frame 10 adopts an L-shaped design, the horizontal section is used to fix the dial 3, and the vertical section is telescopic to adjust the height of the cutting nozzle 1, which enhances the flexibility and applicability of the device, meets different height requirements, and improves the convenience of operation. The vertical section is a telescopic rod or a hydraulic rod. The vertical section adopts a telescopic rod or a hydraulic rod design, and the precise adjustment of the height of the cutting nozzle 1 is achieved through a simple structure, which is easy to operate and significantly improves the practicality and work efficiency of the device.

[0054] like Figure 1As shown, the cutting device also includes a cutting machine 11 and a connecting cross bar 12, wherein the connecting cross bar 12 is fixed on the cutting machine 11, and the vertical section is connected to the connecting cross bar 12. The cutting nozzle 1 and the scale plate 3 are supported by connecting the vertical section to the connecting cross bar 12, thereby ensuring the stability of the overall structure and the convenience of operation. The connection between the vertical section and the connecting cross bar 12 can be achieved by providing a clamp on the outer wall of the vertical section, sleeved on the connecting cross bar 12, and providing a locking device on the clamp to fix the clamp. For example, the connection can be made in the form of a clamp. Preferably, the vertical section and the connecting cross bar 12 are both provided with scales. By sleeve-mounting the clamping ring on the connecting cross bar 12, the position of the clamping ring on the connecting cross bar 12 can be adjusted, thereby adjusting the position of the vertical section connected to the cross bar, and in conjunction with the locking device, as well as the scales set on the vertical section and the connecting cross bar 12, the flexible adjustment and precise positioning of the distance of the cutting nozzle 1 along the cross bar direction are achieved, thereby enhancing the applicability and operational convenience of the cutting device and significantly improving the efficiency and accuracy of the cutting operation.

[0055] The cutting machine 11 further comprises a cutting nozzle 1 and a running wheel 13, wherein the running wheel 13 is arranged at the bottom of the cutting machine 11; the cutting nozzle 1 is placed in the cutting nozzle fixing sleeve, and an air pump 14 is arranged at one end of the connecting cross bar 12 away from the support frame 10, and the air pump 14 supplies air to the cutting nozzle 1 through an air pipe 15. The setting of the running wheel 13 realizes the convenient movement of the cutting device, and the air pump 14 is placed at one end of the connecting cross bar 12 away from the support frame 10, which can not only supply air to the cutting nozzle 1 through the air pipe 15, but also plays the role of a counterweight, so that the walking of the cutting machine 11 is more stable, the overall function is optimized, and the flexibility, stability and work efficiency of the cutting operation are significantly improved.

[0056] In the manufacturing process of large cruise ships and PCTC ships, the accuracy of groove cutting is crucial to the overall quality and efficiency. By adopting this groove cutting device, the cutting accuracy can be significantly improved, thereby reducing the repair time and material waste. Assuming that each repair requires an additional 2 hours of labor, the labor cost per hour is 40 yuan, and 10 repairs are required per month, the annual saving in repair time is 9,600 yuan; assuming that each repair causes 0.1 tons of material waste, the material cost per ton is 5,800 yuan, and the annual saving in material costs is 69,600 yuan; by adopting this groove cutting device, the cutting accuracy can be significantly improved, thereby reducing the repair time and material waste. The cutting efficiency of the cutting device is improved by 10%, which can save 50 hours of work per month, and the annual labor cost saved is 24,000 yuan; usually, inaccurate cutting angles may cause safety hazards such as equipment tempering, scalding, and equipment damage. The use of this bevel cutting device can reduce the occurrence of such safety hazards and equipment damage by improving cutting accuracy. For example, if the annual loss caused by safety hazards and equipment damage is 20,000 yuan, this part of the cost can be saved by using the bevel cutting device. In summary, the use of this bevel cutting device can save 123,200 yuan a year.

[0057] Although the specific embodiments of the present invention are described above, it should be understood by those skilled in the art that this is only for illustration and the protection scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A bevel cutting device, characterized in that: It includes: A cutting nozzle fixing sleeve, a rotating shaft and a scale plate, wherein the cutting nozzle fixing sleeve is sleeved and fixed on one end of the rotating shaft, the other end of the rotating shaft is rotatably connected to the scale plate, and the scale plate is fixedly connected to a support frame; scale lines are provided on the outer peripheral edge of the scale plate, the scale lines on the left and right sides of the scale plate are symmetrically distributed, and the scale range on each side is 0 degrees to 180 degrees, and the axis of the cutting nozzle fixing sleeve is perpendicular to the rotating shaft.

2. The bevel cutting device according to claim 1, characterized in that: The scale lines include a ten-degree scale identification line, a five-degree scale identification line and a two-and-a-half-degree scale identification line. Starting from the lowest point of the dial, digital identification is performed every 30 degrees on the left and right sides of the dial, wherein the lowest point of the dial corresponds to the 0-degree digital identification, and the highest point of the dial corresponds to the 180-degree digital identification.

3. The bevel cutting device according to claim 2, characterized in that: Among the ten-degree scale marking line, the five-degree scale marking line and the two-and-a-half-degree scale marking line, the two-and-a-half-degree scale marking line is the shortest, and the ten-degree scale marking line is the longest.

4. The bevel cutting device according to claim 2, characterized in that: An indicator needle is also arranged on the rotating shaft at a position close to the scale plate, and the extending direction of the indicator needle is perpendicular to the rotating shaft.

5. The method according to claim 4, characterized in that: A mounting hole is arranged at the center of the scale plate, the rotating shaft is located in the mounting hole and is rotatably connected to the scale plate, and screw holes penetrating and communicating with the mounting hole are arranged on the circumference of the scale plate.

6. The bevel cutting device according to claim 5, characterized in that: The support frame is L-shaped, including a vertical section and a horizontal section, one end of the horizontal section is adjacent to the vertical section, the other end of the horizontal section is fixedly connected to the dial, and the vertical section can be telescopic in the vertical direction.

7. The bevel cutting device according to claim 6, characterized in that: The vertical section is a telescopic rod or a hydraulic rod.

8. The bevel cutting device according to claim 7, characterized in that: The cutting device further comprises a cutting machine and a connecting cross bar, wherein the connecting cross bar is fixed on the cutting machine, and the vertical section is connected to the connecting cross bar.

9. The bevel cutting device according to claim 8, characterized in that: The outer wall of the vertical section is provided with a snap ring, the snap ring is sleeved on the connecting cross bar, and a locking device is provided on the snap ring to achieve the fixation of the snap ring; And / or, the vertical section and the connecting cross bar are both provided with scales.

10. The bevel cutting device according to claim 9, characterized in that: The cutting machine also includes a cutting nozzle and a running wheel, wherein the running wheel is arranged at the bottom of the cutting machine; the cutting nozzle is placed in the cutting nozzle fixing sleeve, and an air pump is arranged at one end of the connecting cross bar away from the supporting frame, and the air pump supplies air to the cutting nozzle through an air pipe.

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