A circular cutting device for electric power pipeline

Abstract

The present application discloses a circular cutting device for electric pipelines, which belongs to the field of pipeline processing. It includes: a workbench; a support frame; a cutting knife; a clamping device; a guiding device; a driving device; a supporting device; the supporting device includes: a first supporting roller and a second supporting roller, which are respectively connected to two sets of clamping devices; a concave block, which is fixedly mounted on the first supporting roller; a connecting frame, which is fixedly mounted on the concave block; a first electromagnetic rod, which is fixedly mounted on one end of the connecting frame; a connecting groove is provided on the second supporting roller; a permanent magnetic rod that cooperates with the electromagnetic rod is fixedly mounted on the bottom of the connecting groove; the inner diameter of the connecting groove is the same as the outer diameter of the electromagnetic rod; when the circular cutting device is in use, the electromagnetic rod is inserted into the connecting groove and is attracted together with the permanent magnetic rod; a first pressing plate and a second pressing plate are installed on the concave block. A circular cutting device for electric pipelines is provided to improve the true roundness of the cut of the electric pipeline.

Description

Technical Field

[0001] The present application relates to the field of pipeline processing, and in particular to a circular cutting device for power pipelines. Background Art

[0002] During the production and processing of power pipelines, they need to be cut to fixed lengths to meet the usage requirements in different environments.

[0003] The structure of the product can refer to the equipment for producing and processing electric pipelines disclosed in Chinese patent document CN216421234U, comprising a main structure (1), a replacement component (2) and a debris traction component (3), characterized in that: the main structure (1) comprises a workbench (101), an electric pipeline (102), a controller (103), an electric telescopic rod (104) and a telescopic electric cylinder (106), the electric pipeline (102) is slidably connected to the workbench (101), the controller (103) is slidably connected to the workbench (101), and the controller (103) is slidably connected to the workbench (101). The electric telescopic rod (104) is fixedly connected to the workbench (101), the other end of the electric telescopic rod (104) is fixedly connected to a clamping plate (105), the clamping plate (105) is slidably connected to the power pipeline (102), the telescopic electric cylinder (106) is fixedly connected to the workbench (101), the top end surface of the telescopic electric cylinder (106) is fixedly connected to a support plate (107), the front end surface of the support plate (107) is fixedly connected to a first motor (108), and the main shaft end of the first motor (108) is fixedly connected to a connecting block (109).

[0004] The above structure only uses a circular saw to move from top to bottom to cut the power pipeline, but the force points of the power pipeline are concentrated in one place, which is prone to excessive force causing deformation of the cut.

[0005] Currently, there is no annular cutting device for electric power pipelines that can improve the roundness of the cutout of the electric power pipelines. Summary of the invention

[0006] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0007] In order to solve the technical problems mentioned in the above background technology part, some embodiments of the present application provide a power pipeline annular cutting device, including: a workbench; a support frame installed on the workbench; a cutting knife installed on the support frame for cutting the power pipeline; a clamping device, which is provided with two groups and is located above the workbench, and is used to clamp the outer wall of the upper power pipeline; a guide device, which is installed above the workbench and is used to guide the clamping device; a driving device, which is provided with two groups and is respectively connected to the two groups of clamping devices, so that the two groups of clamping devices have a state of being close to and away from each other; the power pipeline annular cutting device also includes: a supporting device, which is connected to the clamping device and is used to support the inner wall of the pipeline; the supporting device includes: a first supporting roller and a second The supporting rollers are connected to two sets of clamping devices respectively; the concave block is fixedly installed on the first supporting roller; the connecting frame is fixedly installed on the end of the concave block away from the first supporting roller; the first electromagnetic rod is fixedly installed on one end of the connecting frame; wherein a driving hydraulic cylinder is installed between the cutting knife and the supporting frame; the driving hydraulic cylinder is used to drive the cutting knife to move up and down; a connecting groove is opened on the second supporting roller; a permanent magnetic rod that cooperates with the electromagnetic rod is fixedly installed at the bottom of the connecting groove; the inner diameter of the connecting groove is the same as the outer diameter of the electromagnetic rod; when the annular cutting device is in use, the electromagnetic rod is inserted into the connecting groove and is attracted together with the permanent magnetic rod, so that the first supporting roller and the second supporting roller are combined into a whole; the first pressing plate and the second pressing plate are installed on the concave block; the first pressing plate and the second pressing plate are used to press the cutting knife.

[0008] When in use, first drive the hydraulic lever to drive the cutting knife downward, so that one end of the cutting knife cuts the power pipe and enters the inside of the power pipe, and then the first pressing plate and the second pressing plate clamp the cutting knife, so that one end of the cutting knife is fixed inside the power pipe and the other end is fixed outside the power pipe. And when the cutting knife cuts into the inside of the power pipe, the power pipe is clamped on the outside and supported by the support roller inside. Therefore, when the power pipe is cut, it is not only supported on the outside, but also supported on the inside to prevent the power pipe from deformation. Therefore, when cutting the power pipe, it is better to ensure that the power pipe will not be deformed, and the true roundness of the circle at the cutting point of the power pipe is better guaranteed; at the same time, the feed amount of the cutting knife is reduced by rotating the power pipe, and the force applied to the power pipe during cutting is further reduced, further preventing the power pipe from deformation during cutting, and better ensuring the true roundness of the circle at the cutting point of the power pipe.

[0009] Furthermore, a concave groove is provided on the concave block; a first driving screw rotatably connected to the inner wall of the concave groove is provided in the concave groove; a guide rod fixedly connected to the inner wall of the concave groove is also provided in the concave groove; the first driving screw passes through the first pressure plate and the second pressure plate; the guide rod passes through the first pressure plate and the second pressure plate; the first driving screw is threadedly connected to the first driving nut; the guide block is slidably installed on the guide rod; the first driving nut and the guide block are each provided with two groups, which are respectively connected to the first pressure plate and the second pressure plate; the first driving motor is fixedly installed on one end of the concave block connected to the connecting frame; the output end of the first driving motor is fixedly connected to the first driving screw.

[0010] Furthermore, the threads at both ends of the first driving screw have opposite rotation directions.

[0011] Furthermore, a first slot and a second slot are provided on the connecting frame; the first slot is used to accommodate the first driving motor; a battery pack is placed in the second slot; and the battery pack is electrically connected to the first driving motor and the electromagnetic rod.

[0012] Furthermore, the clamping device includes: a support plate, installed above the guide device; a rotating shaft, rotatably installed in the support plate; a first mounting plate, fixedly connected to the first rotating shaft; a first support rod, fixedly connected to the first mounting plate; a second mounting plate, fixedly connected to the first support rod; a plurality of clamping jaws, all installed on the second mounting plate; the clamping jaws and the second mounting plate form a chuck structure; an electric push rod is fixedly installed on the surface of the second mounting plate away from the cutting knife; the output end of the electric push rod is fixedly connected to the first support roller.

[0013] Furthermore, a second drive motor is fixedly mounted on the surface of the support plate away from the cutting blade; and an output end of the second drive motor is fixedly connected to the rotating shaft.

[0014] Furthermore, a clamping block is fixedly mounted on both the first pressing plate and the second pressing plate; and a plurality of inclined grooves are provided on the clamping block.

[0015] Furthermore, the guiding device comprises: a guide rail fixedly installed above the workbench; a slider slidably installed on the guide rail and fixedly connected to the support plate.

[0016] Furthermore, the driving device includes: a mounting seat, fixedly mounted on the workbench; a second driving screw, rotatably mounted in the mounting seat; a second driving nut, threadedly mounted on the second driving screw and fixedly connected to the support plate; a third driving motor, fixedly mounted on the mounting seat; and an output end of the third driving motor is fixedly connected to one end of the second driving screw.

[0017] The beneficial effect of the present application is that it provides a power pipeline annular cutting device that improves the roundness of the power pipeline cut. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0019] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0020] In the attached picture:

[0021] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0022] Figure 2 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the clamping device;

[0023] Figure 3 It is a structural schematic diagram of a part of the embodiment, mainly showing the position structure of the first support roller and the second support roller;

[0024] Figure 4 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the supporting device;

[0025] Figure 5 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure in the concave groove;

[0026] Figure 6 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the connecting groove.

[0027] Reference numerals:

[0028] Workbench 1;

[0029] Support frame 2;

[0030] Cutting knife 3, driving hydraulic cylinder 31;

[0031] Clamping device 4, support plate 41, rotating shaft 42, first mounting plate 43, first supporting rod 44, second mounting plate 45, clamping claw 46;

[0032] Guide device 5, guide rail 51, slider 52;

[0033] Driving device 6, mounting seat 61, second driving screw 62, second driving nut 63, third driving motor 64;

[0034] Support device 7, first support roller 71, second support roller 72, concave block 73, connecting frame 74, first electromagnetic rod 75, permanent magnetic rod 76, electric push rod 77, connecting groove 721, first pressing plate 731, second pressing plate 732, concave groove 733, first driving screw 734, guide rod 735, first driving nut 736, guide block 737, first driving motor 738, clamping block 739, first groove 741, second groove 742;

[0035] The second drive motor 8 . DETAILED DESCRIPTION

[0036] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0037] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0038] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0039] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0040] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0041] Reference Figure 1 A power pipe annular cutting device includes: a workbench 1, a support frame 2 installed on the workbench 1, a cutting knife 3 installed on the support frame 2 for cutting the power pipe, a clamping device 4 for clamping the outer wall of the upper power pipe, and a guide device 5 installed above the workbench 1 for guiding the clamping device 4. The clamping device 4 is provided with two groups and is located above the workbench 1. The cutting knife 3 in this embodiment is the prior art.

[0042] An electric power pipe annular cutting device further includes: a driving device 6. The driving device 6 is provided with two groups and is respectively connected to two groups of clamping devices 4, so that the two groups of clamping devices 4 have states of being close to each other and being far away from each other.

[0043] The power pipeline annular cutting device also includes: a supporting device 7 connected to the clamping device 4 for supporting the inner wall of the pipeline. A driving hydraulic cylinder 31 is installed between the cutting knife 3 and the supporting frame 2. The driving hydraulic cylinder 31 is used to drive the cutting knife 3 to move up and down.

[0044] The guiding device 5 comprises: a guide rail 51 fixedly installed above the workbench 1 , and a slider 52 slidably installed on the guide rail 51 .

[0045] The driving device 6 comprises: a mounting seat 61 fixedly mounted on the workbench 1, a second driving screw 62 rotatably mounted in the mounting seat 61, a second driving nut 63 threadedly mounted on the second driving screw 62 and fixedly connected to the support plate 41, and a third driving motor 64 fixedly mounted on the mounting seat 61. The output end of the third driving motor 64 is fixedly connected to one end of the second driving screw 62. The second driving screw 62 is a double-rotation screw in this embodiment, and two corresponding screws 63 are provided. The double-rotation screw is a prior art, specifically, there is a shaft shoulder from the middle of the screw, the thread rotation directions on both sides of the shaft shoulder are opposite, and the two screws 63 are respectively connected to the two thread segments.

[0046] Reference Figure 2 The clamping device 4 comprises: a support plate 41 fixedly mounted above the slider 52, a rotating shaft 42 rotatably mounted in the support plate 41, a first mounting plate 43 fixedly connected to the first rotating shaft 42, a first supporting rod 44 fixedly connected to the first mounting plate 43, a second mounting plate 45 fixedly connected to the first supporting rod 44, and a plurality of groups of clamping claws 46 mounted on the second mounting plate 45. An electric push rod 77 is fixedly mounted on the surface of the second mounting plate 45 away from the cutting blade 3. The clamping claws 46 and the second mounting plate 45 are prior art, and can be specifically referred to the plate body and the clamping claws on the three-jaw chuck in the lathe. For the convenience of explanation, this application extracts the clamping claws and the plate body in the three-jaw chuck for independent description.

[0047] Reference Figure 3 The support device 7 comprises: a first support roller 71 and a second support roller 72. The first support roller 71 and the second support roller 72 are respectively connected to the two groups of clamping devices 4. Specifically, they are connected to the output ends of the electric push rods 77 installed on the two groups of support devices 7. The electric push rods 77 are prior art, and the electric push rods 77 in this embodiment are electric push rods 77 with multi-level adjustment rods.

[0048] Reference Figure 4-6The supporting device 7 further comprises: a concave block 73 fixedly mounted on the first supporting roller 71, a connecting frame 74 fixedly mounted on one end of the concave block 73 away from the first supporting roller 71, and a first electromagnetic rod 75 fixedly mounted on one end of the connecting frame 74. A connecting groove 721 is provided on the second supporting roller 72. A permanent magnet rod 76 matching with the electromagnetic rod 75 is fixedly mounted at the bottom of the connecting groove 721. The inner diameter of the connecting groove 721 is the same as the outer diameter of the electromagnetic rod 75. When the annular cutting device is in use, the electromagnetic rod 75 is inserted into the connecting groove 721 and is attracted together with the permanent magnet rod 76, so that the first supporting roller 71 and the second supporting roller 72 are combined into a whole. A concave groove 733 is provided on the concave block 73. A first pressing plate 731 and a second pressing plate 732 are installed in the concave groove 733. The first pressing plate 731 and the second pressing plate 732 are used to press the cutting knife 3. A first driving screw 734 rotatably connected to the inner wall of the concave groove is provided in the concave groove. A guide rod 735 fixedly connected to the inner wall of the concave groove is also provided in the concave groove 733. The first driving screw 734 passes through the first pressing plate 731 and the second pressing plate 732. The guide rod 735 passes through the first pressing plate 731 and the second pressing plate 732. The first driving screw 734 is threadedly connected with the first driving nut 736. The guide block 737 is slidably mounted on the guide rod 735. The first driving nut 736 and the guide block 737 are each provided with two groups, which are respectively connected to the first pressing plate 731 and the second pressing plate. The first driving motor 738 is fixedly mounted on one end of the concave block 73 connected to the connecting frame 74. The output end of the first driving motor 738 is fixedly connected to the first driving screw 734. The connecting frame 74 is provided with a first groove 741 and a second groove 742. The first groove 741 is used to accommodate the first driving motor 738. A battery pack is placed in the second groove 742. The battery pack is electrically connected to the first driving motor 738 and the electromagnetic rod. The second driving motor 8 is fixedly mounted on the surface of the support plate 41 away from the cutting knife 3. The output end of the second drive motor 8 is fixedly connected to the rotating shaft 42 .

[0049] The threads at both ends of the first driving screw 734 have opposite rotation directions, and the two sections with opposite thread rotation directions are respectively connected to the two first driving nuts 736736.

[0050] The first pressing plate 731 and the second pressing plate 732 are both fixedly mounted with a clamping block 739. The clamping block 739 is provided with a plurality of inclined grooves.

[0051] Conditions and gains:

[0052] When in use, first place the power pipe between the two second mounting plates 45, start the third drive motor 64, the third drive motor 64 drives the second drive screw 62 to rotate, and the second drive screw 62 drives the two support plates 41 to move closer to each other through the second drive nut 63. The two support plates 41 will drive the two chuck structures to move closer to each other. After that, the two chucks are processed to abut against the two ends of the power pipe, and then clamp the two ends of the power pipe. The fixation of the power pipe fitting is achieved. It can adapt to power pipes of different lengths.

[0053] The electric push rods 77 are started, and the two electric push rods 77 move synchronously, respectively driving the first support roller 71 and the second support roller 72 to move toward each other, and stop moving after the electromagnetic rod is inserted into the connecting groove 721 and abuts against the permanent magnetic rod 76. At this time, the concave block 73 is located in the pipeline.

[0054] The hydraulic lever is driven to drive the cutting knife 3 to move downward, so that one end of the cutting knife 3 cuts the power pipe and enters the interior of the power pipe.

[0055] The first driving motor 738 drives the first driving lead screw 734 to rotate, and drives the first pressing plate 731 and the second pressing plate 732 to move toward each other through the first driving nut 736. The clamping blocks 739 on the first pressing plate 731 and the second pressing plate 732 clamp the cutting knife 3 so that one end of the cutting knife 3 is fixed inside the power pipe. This can make the cutting knife 3 more stable during cutting. The position where the cutting knife 3 is pressed does not affect the normal cutting work of the cutting knife 3.

[0056] The second drive motor 8 is started, and the second drive motor 8 drives the rotating shaft 42 to rotate, so that the chuck structure rotates, and then the power pipeline rotates, and then the cutting knife 3 cuts the power pipeline.

[0057] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. A power pipeline ring cutting device, include: Workbench; A support frame, mounted on a workbench; A cutting knife, mounted on the support frame and used for cutting the power pipeline; A clamping device, provided with two groups and located above the workbench, for clamping the outer wall of the power pipeline; A guide device, installed above the workbench, for guiding the clamping device; The driving device is provided with two groups and is respectively connected to the two groups of clamping devices, so that the two groups of clamping devices can be in a state of approaching each other or moving away from each other; Features: The power pipeline annular cutting device also includes: A supporting device, connected to the clamping device, for supporting the inner wall of the pipe; The supporting device comprises: A first support roller and a second support roller are connected to two sets of clamping devices respectively; A concave block fixedly mounted on the first supporting roller; A connecting frame, fixedly mounted on an end of the concave block away from the first supporting roller; A first electromagnetic rod is fixedly mounted at one end of the connecting frame; Wherein, a driving hydraulic cylinder is installed between the cutting knife and the supporting frame; the driving hydraulic cylinder is used to drive the cutting knife to move up and down; a connecting groove is provided on the second supporting roller; a permanent magnetic rod matched with the first electromagnetic rod is fixedly installed at the bottom of the connecting groove; the inner diameter of the connecting groove is the same as the outer diameter of the first electromagnetic rod; when the annular cutting device is in use, the first electromagnetic rod is inserted into the connecting groove and is attracted together with the permanent magnetic rod, so that the first supporting roller and the second supporting roller are combined into a whole; a first pressing plate and a second pressing plate are installed on the concave block; the first pressing plate and the second pressing plate are used to press the cutting knife; The concave block is provided with a concave groove; The concave groove is provided with a first driving screw rotatably connected to the inner wall of the concave groove; The concave groove is also provided with a guide rod fixedly connected to the inner wall of the concave groove; The first driving screw passes through the first pressing plate and the second pressing plate; The guide rod passes through the first pressing plate and the second pressing plate; The first driving screw is threadedly connected to a first driving nut; A guide block is slidably mounted on the guide rod; The first driving nut and the guide block are each provided with two groups, which are respectively connected to the first pressing plate and the second pressing plate; A first driving motor is fixedly mounted on one end of the concave block connected to the connecting frame; The output end of the first driving motor is fixedly connected to the first driving screw; The threads at both ends of the first driving screw have opposite rotation directions.

2. The power pipeline annular cutting device according to claim 1, Features: The connecting frame is provided with a first slot and a second slot; The first slot is used to accommodate the first driving motor; The battery pack is placed in the second slot; The battery pack is electrically connected to both the first drive motor and the first electromagnetic rod.

3. The power pipeline annular cutting device according to claim 2, Features: The clamping device comprises: A support plate, mounted above the guide device; A rotating shaft is rotatably mounted in the supporting plate; A first mounting plate, fixedly connected to the first rotating shaft; a first support rod fixedly connected to the first mounting plate; a second mounting plate fixedly connected to the first support rod; The clamping jaws are provided in a plurality of groups and are all mounted on the second mounting plate; The clamping jaws and the second mounting plate form a chuck structure; An electric push rod is fixedly mounted on the surface of the second mounting plate away from the cutting knife; The output end of the electric push rod is fixedly connected to the first supporting roller.

4. The power pipeline annular cutting device according to claim 3, Features: A second driving motor is fixedly mounted on the surface of the support plate away from the cutting blade; The output end of the second driving motor is fixedly connected to the rotating shaft.

5. The power pipeline annular cutting device according to claim 4, Features: A clamping block is fixedly installed on both the first pressing plate and the second pressing plate; The clamping block is provided with a plurality of inclined grooves.

6. The power pipeline annular cutting device according to claim 5, Features: The guiding device comprises: Guide rail, fixedly installed above the workbench; The slider is slidably mounted on the guide rail and fixedly connected to the support plate.

7. The power pipeline annular cutting device according to claim 6, Features: The driving device comprises: Mounting base, fixedly mounted on the workbench; A second driving screw is rotatably mounted in the mounting seat; A second driving nut, threadedly mounted on the second driving lead screw and fixedly connected to the support plate; A third driving motor is fixedly mounted on the mounting base; The output end of the third driving motor is fixedly connected to one end of the second driving screw.

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