Electric power pipe cutting device

Abstract

An electric power pipe cutting device relates to the technical field of cutting equipment. The problems that according to an existing electric power pipe cutting device, the replacement time of an electric power pipe is long, and consequently the working efficiency is low are solved. The device comprises a fixing mechanism and a cutting knife, the fixing mechanism comprises a first supporting wheel and a second supporting wheel which are rotatably installed on a moving table and are the same in rotating direction, the first supporting wheel and the second supporting wheel are arranged in parallel at intervals, and the first supporting wheel and / or the second supporting wheel rotate to drive an electric tube to rotate; the third driving part can drive the moving table to move, so that the power pipe on one fixing mechanism is close to the cutting knife so as to cut the power pipe, the power pipe on the other fixing mechanism is far away from the cutting knife so as to replace the power pipe, the power pipes on the two fixing mechanisms are alternately cut, and the power pipes do not need to be stopped for waiting during replacement. And more electric tubes can be cut within the same time, so that the working efficiency is higher.

Description

Technical Field

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

[0002] The power pipe is a product that is hot-dip-coated with PE (modified polyethylene) or coated inside and outside with epoxy resin. It has excellent corrosion resistance. At the same time, the coating itself has good electrical insulation and will not cause electrical corrosion. It has low water absorption, high mechanical strength, and a small friction coefficient. It can achieve the purpose of long-term use and can effectively prevent damage to plant roots and soil environmental stress. The power pipe needs to be cut into different lengths when put into construction for easy combined installation.

[0003] When using the existing power pipe cutting device, the power pipe must be fixed first, and then the power pipe is driven to rotate. The cutting knife is used to cut the power pipe during the rotation. For example, the patent publication number CN217225676U is a power construction power pipe cutting device, which includes a base plate, a support block and a first support rod. Support blocks are provided on the front and rear sides of the upper part of the base plate, and two first support rods are provided on the front side of the upper part of the base plate. A first limit block is provided in the middle position of the upper part of the two first support rods. Although it can cut the power pipe, after one power pipe is cut, it is necessary to stop the machine and replace another power pipe. The replacement process takes a long time, resulting in low work efficiency.

[0004] In summary, the existing power pipe cutting device has the problem of long power pipe replacement time, resulting in low work efficiency. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that the existing power pipe cutting device has a long time to replace the power pipe, resulting in low work efficiency. Further, a power pipe cutting device is provided.

[0006] The technical solution of the present invention is: an electric power pipe cutting device, comprising: a fixing mechanism and a cutting knife, the fixing mechanism comprising a first supporting wheel and a second supporting wheel rotatably mounted on a moving platform and rotating in the same direction, the first supporting wheel and the second supporting wheel are arranged in parallel and spaced apart, the electric power pipe is suitable for being placed between the first supporting wheel and the second supporting wheel, the first supporting wheel and / or the second supporting wheel are connected to the driving end of the first driving member;

[0007] The movable platform is slidably mounted on the base, the fixing mechanism has two symmetrically arranged on the movable platform, the cutting knife is mounted on a rotating shaft, the rotating shaft is rotatable relative to the base and is located between the two fixing mechanisms, the sliding direction of the movable platform is perpendicular to the axial direction of the rotating shaft, the cutting knife is connected to the driving end of the second driving member, and the movable platform is connected to the driving end of the third driving member.

[0008] Furthermore, the fixing mechanism further comprises: a limiting member fixedly mounted on the moving platform, wherein the limiting member is suitable for abutting against a side of the power pipe away from the cutting knife.

[0009] Furthermore, the limiting member is a flat plate extending vertically upward.

[0010] Furthermore, the first driving member is a first motor installed on the moving platform, and the first motor is connected to the first supporting wheel through a transmission assembly.

[0011] Furthermore, the transmission assembly includes: a first gear and a second gear meshing with each other, the diameter of the first gear is larger than the diameter of the second gear, the first gear is mounted on the first supporting wheel, and the second gear is mounted on the driving end of the first motor.

[0012] Furthermore, the second driving member is a second motor installed on the adjustment platform, and the driving end of the second motor is fixedly connected to the rotating shaft.

[0013] Furthermore, the base is connected to a support plate extending upward, and the third driving member is an electric telescopic rod installed on the support plate.

[0014] Furthermore, the base has an adjustment platform whose sliding direction is parallel to the axial direction of the rotating shaft, the cutting knife moves synchronously with the adjustment platform, and the adjustment platform is connected to the driving end of the fourth driving member.

[0015] Furthermore, the fourth driving member is a third motor installed on the base, the driving end of the third motor is connected to a screw rod, one end of the screw rod passes through the adjustment platform and is threadedly connected to the adjustment platform, and the base has a guide structure that cooperates with the adjustment platform.

[0016] Furthermore, the guide structure is a downwardly recessed rectangular groove, and the adjustment platform is placed in the rectangular groove.

[0017] Compared with the prior art, the present invention has the following effects:

[0018] 1. In the electric tube cutting device provided by the present invention, the third driving member can drive the mobile platform to move, so that the electric tube on one fixed mechanism is close to the cutting knife, thereby cutting the electric tube, and the electric tube on the other fixed mechanism is away from the cutting knife, thereby replacing the electric tube. The electric tubes on the two fixed mechanisms are cut alternately, and there is no need to stop and wait when the electric tubes are replaced. More electric tubes can be cut in the same time, and the working efficiency is higher.

[0019] 2. In the power pipe cutting device provided by the present invention, after the limiter abuts against the power pipe, the cutting knife acts on one side of the power pipe, and the limiter acts on the other side of the power pipe. The forces on both sides of the power pipe are balanced, and the cutting is more stable.

[0020] 3. In the electric pipe cutting device provided by the present invention, the flat plate will not affect the installation of the electric pipe, and is in surface contact with the electric pipe, and the contact area is small, the friction force is smaller, and the rotation cutting of the electric pipe is more convenient.

[0021] 4. In the electric pipe cutting device provided by the present invention, the adjustment platform can drive the cutting knife to move axially, so as to cut the electric pipe at different positions without moving the electric pipe, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the electric power pipe cutting device of the present invention;

[0023] Figure 2 yes Figure 1 Schematic diagram from another perspective;

[0024] Figure 3 yes Figure 1 A front view of

[0025] Figure 4 yes Figure 1 An enlarged view of the fixing mechanism in the middle;

[0026] Figure 5 yes Figure 1 A magnified image of area A;

[0027] Figure 6 yes Figure 1 Magnified view of area B.

[0028] In the figure: 1. fixing mechanism; 2. cutting knife; 3. moving platform; 4. first supporting wheel; 5. second supporting wheel; 6. power pipe; 7. first driving member; 8. base; 9. rotating shaft; 10. second driving member; 11. third driving member; 12. limiting member; 13. transmission assembly; 14. first gear; 15. second gear; 16. supporting plate; 17. adjusting platform; 18. fourth driving member; 19. screw rod; 20. guiding structure. DETAILED DESCRIPTION

[0029] Specific implementation method 1: Combination Figure 1 , Figure 4 , Figure 6 Describe this embodiment, this embodiment includes a fixing mechanism 1 and a cutting knife 2, the fixing mechanism 1 includes a first support wheel 4 and a second support wheel 5 which are rotatably mounted on a moving platform 3 and have the same rotation direction, specifically, the outer surface of the first support wheel 4 and the second support wheel 5 can be made of rubber material, the first support wheel 4 and the second support wheel 5 are arranged in parallel and spaced apart, the power tube 6 is placed between the first support wheel 4 and the second support wheel 5 to generate friction, the power tube 6 is driven to rotate by the rotation of the first support wheel 4 and / or the second support wheel 5, the first support wheel 4 and / or the second support wheel 5 are connected to the driving end of the first driving member 7, the moving platform 3 is slidably mounted on the base 8, the fixing mechanism 1 has two symmetrically arranged on the moving platform 3, the cutting knife 2 is mounted on a rotating shaft 9, the rotating shaft 9 is rotatable relative to the base 8 and is located between the two fixing mechanisms 1, the sliding direction of the moving platform 3 is perpendicular to the axial direction of the rotating shaft 9, the cutting knife 2 is connected to the driving end of the second driving member 10, the second drive is used to drive the cutting knife 2 to rotate, the moving platform 3 is connected to the driving end of the third driving member 11, and the third driving member 11 is used to drive the moving platform 3 to slide.

[0030] In the electric tube 6 cutting device of this embodiment, the third driving member 11 can drive the movable platform 3 to move, so that the electric tube 6 on one fixing mechanism 1 is close to the cutting knife 2, thereby cutting the electric tube 6, and the electric tube 6 on the other fixing mechanism 1 is away from the cutting knife 2, thereby replacing the electric tube 6. The electric tubes 6 on the two fixing mechanisms 1 are cut alternately, and there is no need to stop and wait when the electric tube 6 is replaced. More electric tubes 6 can be cut in the same time, and the working efficiency is higher.

[0031] Specific implementation method 2: Combination Figure 2 , Figure 3 To explain this embodiment, the fixing mechanism 1 of this embodiment also includes: a limiter 12, which is fixedly mounted on the mobile platform 3. The limiter 12 is suitable for abutting against the side of the power tube 6 away from the cutting knife 2. The cutting knife 2 acts on one side of the power tube 6, and the limiter 12 acts on the other side of the power tube 6. The forces on both sides of the power tube 6 are balanced, and it is more stable when cutting. Of course, the above description is not restrictive. As an alternative embodiment, the limiter 12 can also be replaced by increasing the distance between the first support wheel 4 and the second support wheel 5. Other components and connection relationships are the same as those of the specific embodiment one.

[0032] Specific implementation method three: Combination Figure 2 , Figure 3To explain this embodiment, the stopper 12 of this embodiment is a flat plate extending vertically upward, which will not affect the installation of the power tube 6. It is in point contact with the power tube 6, with a smaller contact area and less friction, making it more convenient to rotate and cut the power tube 6. Of course, the above description is not restrictive. As an alternative embodiment, the stopper 12 can also be an arc-shaped plate, which is in surface contact with the power tube 6. Other components and connection relationships are the same as those of the second embodiment.

[0033] Specific implementation method four: Combination Figure 1 , Figure 4 To explain this embodiment, the first driving member 7 of this embodiment can be a first motor installed on the mobile platform 3, and the first motor is connected to the first support wheel 4 through the transmission assembly 13. The first motor only drives the first support wheel 4 to rotate, so as to realize the rotation of the power tube 6. Of course, the above description is not restrictive. As an alternative embodiment, the first motor can also be connected to the second support wheel 5 through the transmission assembly 13, or the first motor can be connected to the first support wheel 4 and the second support wheel 5 through the transmission assembly 13. Other components and connection relationships are the same as those of the first embodiment.

[0034] Specific implementation method five: Combination Figure 1 , Figure 4 To explain this embodiment, the transmission assembly 13 of this embodiment includes: a first gear 14 and a second gear 15 that mesh with each other, the diameter of the first gear 14 is larger than the diameter of the second gear 15, and the first gear 14 is installed on the first support wheel 4. Specifically, the outer surface of the first support wheel 4 has an annular groove that is recessed inward, and the first gear 14 is located in the annular groove. The second gear 15 is installed on the driving end of the first motor. The power transmission is achieved through the cooperation of the first gear 14 and the second gear 15, and then the first support wheel 4 is driven to rotate. The transmission assembly 13 can increase the torque and reduce the rotation speed, so that the rotation of the power tube 6 is more stable. Of course, the above description is not restrictive. As an alternative embodiment, the diameter of the first gear 14 in the transmission assembly 13 can also be smaller than the diameter of the second gear 15 to increase the rotation speed of the power tube 6. Other components and connection relationships are the same as those of the specific embodiment four.

[0035] Specific implementation method six: Combination Figure 1 , Figure 2 To explain this embodiment, the second driving member 10 of this embodiment is a second motor installed on the adjustment platform 17. The driving end of the second motor is fixedly connected to the rotating shaft 9. The second motor can directly drive the rotating shaft 9 to rotate, and the rotating shaft 9 drives the cutting knife 2 to rotate to cut the power tube 6. Of course, the above description is not restrictive. As an alternative embodiment, the second motor can also be connected to the rotating shaft 9 through a gear set. Other components and connection relationships are the same as those of the first embodiment.

[0036] Specific implementation method seven: Combination Figure 1 , Figure 6 To explain this embodiment, the base 8 of this embodiment is connected to a support plate 16 extending upward, and the third driving member 11 is an electric telescopic rod installed on the support plate 16, and the mobile platform 3 is driven to slide by the extension and contraction of the electric telescopic rod. Of course, the above description is not restrictive, and as an alternative embodiment, the third driving member 11 can also be a hydraulic cylinder, a pneumatic cylinder, etc. The other components and connection relationships are the same as those of the specific embodiment 1.

[0037] Specific implementation method eight: Combination Figures 1 to 3 To explain this embodiment, the base 8 of this embodiment has an adjustment table 17 whose sliding direction is parallel to the axial direction of the rotating shaft 9, and the cutting knife 2 moves synchronously with the adjustment table 17. Specifically, the adjustment table 17 has two mounting plates spaced apart, and the rotating shaft 9 is rotatably mounted on the two mounting plates. The second motor is connected to the mounting plates and connected to the rotating shaft 9. The adjustment table 17 is connected to the driving end of the fourth driving member 18, and the fourth driving member 18 is used to drive the adjustment table 17 to move, thereby driving the cutting knife 2 to move and cut different positions of the power tube 6. Of course, the above description is not restrictive. As an alternative embodiment, cutting at different positions can also be achieved by moving the power tube 6. Other components and connection relationships are the same as any one of the specific embodiments one to seven.

[0038] Specific implementation method nine: Combination Figure 1 To explain this embodiment, the fourth driving member 18 of this embodiment is a third motor installed on the base 8, and the driving end of the third motor is connected to a screw rod 19, one end of the screw rod 19 passes through the adjustment platform 17 and is threadedly connected to the adjustment platform 17, and the base 8 has a guide structure 20 that matches the adjustment platform 17. The third motor drives the screw rod 19 to rotate, and the screw rod 19 drives the adjustment platform 17 to move, thereby driving the cutting knife 2 to move to different positions. Of course, the above description is not restrictive. As an alternative embodiment, the fourth driving member 18 can also be a hydraulic cylinder, a cylinder, etc. The other components and connection relationships are the same as those of the specific embodiment eight.

[0039] Specific implementation method ten: Combination Figure 1 , Figure 5 To explain this embodiment, the guide structure 20 of this embodiment is a rectangular groove that is concave downward, and the adjustment platform 17 is placed in the rectangular groove. The rectangular groove can limit the adjustment platform 17 so that it moves along a fixed path. Of course, the above description is not restrictive. As an alternative embodiment, the guide structure 20 can also be two limit plates, and the two limit plates clamp the adjustment platform 17 in the middle. Other components and connection relationships are the same as those of the ninth embodiment.

[0040] How to use this implementation:

[0041] First, place the power tube 6 on the first support wheel 4 and the second support wheel 5 in a fixed mechanism 1, start the second drive member 10 and the third drive member 11, the second drive member 10 drives the rotating shaft 9 and the cutting knife 2 to rotate, and the third drive member 11 drives the movable platform 3 to move, so that the fixed mechanism 1 is close to the cutting knife 2, so as to cut the power tube 6. During the cutting process, start the first drive member 7, and the first drive member 7 drives the first support wheel 4 to rotate through the transmission assembly 13. The first support wheel 4 drives the power tube 6 to rotate through friction to achieve all-round cutting.

[0042] The other fixing mechanism 1 is away from the cutting knife 2 at this time, and the power tube 6 can be placed on the other fixing mechanism 1. The power tubes 6 on the two fixing mechanisms 1 are cut alternately, and the cutting time can be used to replace the power tube 6 without stopping and waiting.

[0043] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An electric power pipe cutting device, comprising: A fixing mechanism (1) and a cutting knife (2), wherein the fixing mechanism (1) comprises a first supporting wheel (4) and a second supporting wheel (5) which are rotatably mounted on a moving platform (3) and have the same rotation direction, wherein the first supporting wheel (4) and the second supporting wheel (5) are arranged in parallel and spaced apart, an electric power pipe (6) is suitable for being placed between the first supporting wheel (4) and the second supporting wheel (5), and the first supporting wheel (4) and / or the second supporting wheel (5) are connected to a driving end of a first driving member (7); The invention is characterized in that the movable platform (3) is slidably mounted on a base (8), the fixing mechanism (1) has two symmetrically arranged on the movable platform (3), the cutting knife (2) is mounted on a rotating shaft (9), the rotating shaft (9) is rotatable relative to the base (8) and is located between the two fixing mechanisms (1), the sliding direction of the movable platform (3) is perpendicular to the axial direction of the rotating shaft (9), the cutting knife (2) is connected to the driving end of the second driving member (10), and the movable platform (3) is connected to the driving end of the third driving member (11).

2. The electric power pipe cutting device according to claim 1, characterized in that: The fixing mechanism (1) further comprises: a limiting member (12) fixedly mounted on the moving platform (3), wherein the limiting member (12) is suitable for abutting against a side of the power tube (6) away from the cutting knife (2).

3. The electric power pipe cutting device according to claim 2, characterized in that: The limiting member (12) is a flat plate extending vertically upward.

4. The electric power pipe cutting device according to claim 1, characterized in that: The first driving member (7) is a first motor mounted on the moving platform (3), and the first motor is connected to the first supporting wheel (4) via a transmission assembly (13).

5. The electric power pipe cutting device according to claim 4, characterized in that: The transmission assembly (13) comprises: a first gear (14) and a second gear (15) meshing with each other, the diameter of the first gear (14) being larger than the diameter of the second gear (15), the first gear (14) being mounted on the first supporting wheel (4), and the second gear (15) being mounted on the driving end of the first motor.

6. The electric power pipe cutting device according to claim 1, characterized in that: The second driving member (10) is a second motor mounted on the adjustment platform (17), and the driving end of the second motor is fixedly connected to the rotating shaft (9).

7. The electric power pipe cutting device according to claim 1, characterized in that: The base (8) is connected to a support plate (16) extending upward, and the third driving member (11) is an electric telescopic rod installed on the support plate (16).

8. An electric power pipe cutting device according to any one of claims 1 to 7, characterized in that: The base (8) has an adjustment platform (17) whose sliding direction is parallel to the axial direction of the rotating shaft (9); the cutting knife (2) moves synchronously with the adjustment platform (17); and the adjustment platform (17) is connected to the driving end of a fourth driving member (18).

9. The electric power pipe cutting device according to claim 8, characterized in that: The fourth driving member (18) is a third motor mounted on the base (8); a driving end of the third motor is connected to a screw rod (19); one end of the screw rod (19) passes through the adjustment platform (17) and is threadedly connected to the adjustment platform (17); and the base (8) has a guide structure (20) that matches the adjustment platform (17).

10. The electric power pipe cutting device according to claim 9, characterized in that: The guide structure (20) is a downwardly recessed rectangular groove, and the adjustment platform (17) is placed in the rectangular groove.

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