Grooving device for annular groove

Abstract

The grooving device comprises a supporting frame, the supporting frame is of an annular structure, and a plurality of connecting modules are arranged on the supporting frame around the axis of the supporting frame; an annular sliding rail is further arranged on the supporting frame, a rotating sliding seat is arranged on the annular sliding rail in a sliding mode, an adjusting frame is arranged on the rotating sliding seat, sliding rods are arranged on the two sides of the adjusting frame, the two sliding rods are connected with the tool rest in a sliding mode, at least two adjusting seats are further arranged on the adjusting frame, and a cutting tool is arranged on each adjusting seat. When the grooving device is used, the whole grooving device is connected to a pipeline in a sleeving mode through the connecting module, and then the position of the cutting knife is controlled by sliding the adjusting base; then, a cutter rest is pressed towards one side of the pipeline to be slotted, so that a cutter gradually goes deep into the pipeline to be slotted, and meanwhile, a rotary sliding seat is driven to rotate around an annular sliding rail, so that the pipeline is slotted; the position of the cutting knife is stable, one-time annular cutting operation can be achieved, and meanwhile the flatness of a notch is high.

Description

Technical Field

[0001] The present application relates to the technical field of pipeline construction equipment, and in particular to a grooving device for annular grooves. Background Art

[0002] Composite pipes are a type of pipe that is widely used today. They are favored by all walks of life for their excellent strength, corrosion resistance and stability. The length of a single pipe is generally 1-3 meters. During the pipeline laying process, the single composite pipes need to be spliced ​​and connected to each other. In the prior art, there are two methods for connecting pipes: welding and hot-melt. The welding method is generally applicable to metal pipes, while the hot-melt method is applicable to composite materials and plastic pipes. When splicing composite pipes, an annular groove is generally opened on the pipe, and then the annular groove is filled with hot-melt material, and finally the pipe splicing is achieved.

[0003] In the prior art, slotting is generally performed by a tool, and the slotting quality depends entirely on the work experience of the worker. Not only is the slotting quality poor, but it also requires repeated repairs, which seriously affects the slotting efficiency. Summary of the invention

[0004] The main purpose of the present application is to provide a grooving device for annular grooves, aiming to solve the defect of low grooving efficiency in the prior art.

[0005] This application achieves the above objectives through the following technical solutions:

[0006] A grooving device for an annular groove, comprising a support frame in an annular structure;

[0007] A plurality of connection modules, each of which is arranged on the support frame around the axis of the support frame to connect the pipe to be grooved;

[0008] An annular slide rail, the annular slide rail is arranged on the support frame; a rotating slide seat is also slidably arranged on the annular slide rail; an adjustment frame is arranged on the rotating slide seat, and slide rods are arranged on both sides of the adjustment frame;

[0009] The knife holder has two ends which are respectively connected to the slide rod in a sliding manner; the knife holder is also provided with at least two adjustment seats, and each of the adjustment seats is provided with a cutting knife.

[0010] Optionally, the connecting module includes a support plate and an adjustment sleeve, the support plate is arranged on the inner side of the support frame, and a telescopic rod is slidably arranged in the adjustment sleeve, one end of the telescopic rod is connected to the support plate; an adjustment spring is also sleeved on the telescopic rod, and both ends of the adjustment spring are respectively against the telescopic rod and the adjustment sleeve.

[0011] Optionally, both the adjusting sleeve and the telescopic rod are provided with extrusion plates, and the two ends of the adjusting spring are respectively against the two extrusion plates.

[0012] Optionally, the support plate is in an arc-shaped structure, and a rubber plate in an arc-shaped structure is arranged on the inner side of the support plate.

[0013] Optionally, an adjustment slot is provided on the rotating slide, and the adjustment frame is slidably inserted into the adjustment slot; a fastening screw for fixing the adjustment frame is also threadedly connected to the rotating slide.

[0014] Optionally, a limit rod is further provided on the adjustment frame, a limit hole adapted to the limit rod is provided on the tool holder, and a limit nut for controlling the position of the tool holder is threadedly connected to the limit rod.

[0015] Optionally, a supporting roller is further provided at the free end of the adjustment frame.

[0016] Optionally, the cutting knife includes a knife rod and a cutting roller, and the cutting roller is rotatably connected to the knife rod.

[0017] Optionally, the cross section of the tool holder is a rectangular structure, and the adjustment seat is provided with a sliding groove adapted to the tool holder; the adjustment seat is also provided with a connecting sleeve, and the tool rod is slidably connected to the connecting sleeve.

[0018] Optionally, the cross-section of the knife rod is a rectangular structure, and a fixing screw that fits the side surface of the knife rod is threadedly connected to the connecting sleeve.

[0019] Compared with the prior art, this application has the following beneficial effects:

[0020] The present application includes a support frame, the support frame is an annular structure, and a plurality of connection modules are arranged on the support frame around the axis of the support frame; the support frame is also provided with an annular slide rail, a rotating slide seat is slidably arranged on the annular slide rail, an adjustment frame is arranged on the rotating slide seat, and sliding rods are arranged on both sides of the adjustment frame, and the two sliding rods are respectively connected to the knife holder in a slidable manner, and at least two adjustment seats are also arranged on the knife holder, and each of the adjustment seats is provided with a cutting knife;

[0021] When the slotting device described in the present application is used, the end to be cut of the pipe to be slotted is first suspended in the air, and then the suspended end of the pipe to be slotted is inserted into the cavity in the middle of the support frame, and then the entire device is fixed on the pipe to be slotted through various connection modules; then the position of the cutting knife is controlled to the cutting point by the sliding adjustment seat; then the knife holder is pressed toward one side of the pipe to be slotted, so that the cutting knife gradually penetrates into the pipe to be slotted, and at the same time the rotating slide is driven to rotate around the annular slide rail, thereby realizing the slotting operation of the pipe;

[0022] Compared with the prior art, due to the limitation of the annular track, the rotating slide can only rotate along the fixed track around the axis of the pipe to be slotted. Since the position of the cutting knife is fixed, it can effectively ensure that the cutting knife always rotates in one plane, ensuring the smoothness of the slotting cut, thereby improving the cutting quality;

[0023] Secondly, several cutting knives can be used to simultaneously cut and groove the pipes to be grooved, which not only can realize the one-time forming of the annular groove, but also is conducive to the rapid removal of waste materials after cutting in the later stage, thereby improving the grooving efficiency of the annular groove; at the same time, the grooving operation of the annular groove can be realized at one time by sliding and rotating the slide seat, which is easy to operate and helps to improve the grooving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic structural diagram of a grooving device for an annular groove provided in Embodiment 1 of the present application;

[0025] Figure 2 A side view of a grooving device for an annular groove provided in Embodiment 1 of the present application;

[0026] Figure 3 It is a side view structural schematic diagram of the adjustment frame;

[0027] Figure 4 It is a schematic diagram of the top view structure of the adjustment frame;

[0028] Figure markings: 1-support frame, 2-annular track, 3-rotating slide, 4-adjusting frame, 5-slide rod, 6-knife holder, 7-adjusting seat, 8-cutting knife, 9-support plate, 10-adjusting sleeve, 11-telescopic rod, 12-adjusting spring, 13-extrusion plate, 14-rubber plate, 15-adjusting slide groove, 16-fastening screw, 17-limiting rod, 18-limiting hole, 19-limiting nut, 20-support roller, 21-connecting sleeve, 22-fixing screw, 801-knife rod, 802-cutting roller.

[0029] The purpose, features and advantages of this application will be further described in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0034] Implementation Method 1

[0035] Reference Figures 1 to 4 This embodiment is an optional embodiment of the present application, which discloses a grooving device for annular grooves, including a support frame 1, the support frame 1 is annular in structure, and a cavity is provided in the middle thereof to place the pipe to be grooved, and the grooving device also includes a plurality of connecting modules. Preferably, the connecting modules are provided with 3 groups in total, and the structures of the connecting modules are the same. Around the axis of the support frame 1, the connecting modules are evenly arranged to form supporting forces in all directions to ensure a stable connection between the support frame 1 and the pipe to be grooved;

[0036] The connecting module comprises a support plate 9 and an adjusting sleeve 10, wherein the support plate 9 is arranged in the middle cavity of the supporting frame 1, the support plate 9 of each connecting module is arranged around the axis of the supporting frame 1, and each adjusting sleeve 10 is arranged on the supporting frame 1, and a telescopic rod 11 is slidably arranged in the adjusting sleeve 10, one end of the telescopic rod 11 is connected to the support plate 9, and the other end thereof passes through the adjusting sleeve 10 and is suspended, and a limit nut 19 is also threadedly connected to the end; an adjusting spring 12 is also sleeved on the telescopic rod 11, and extrusion plates are arranged at the bottom of the adjusting sleeve 10 and on the telescopic rod 11, and the two ends of the adjusting spring 12 are respectively against the two extrusion plates; at the same time, the arc plate is an arc structure, and a rubber plate 14 with an arc structure is also arranged on the side of the arc plate that fits the pipe to be grooved;

[0037] The use of the retractable structure can provide sufficient adjustment margin for each connection module, so as to meet the clamping requirements of pipes with different apertures, which is conducive to expanding the application scope of the equipment; secondly, in the above structure, the adjusting spring 12 can ensure the pressure between the support plate 9 and the pipe to be grooved, thereby ensuring the stability of the connection and avoiding looseness during the working process, which is not only conducive to improving the groove quality, but also conducive to improving the groove efficiency; and the rubber plate 14 has a certain deformation ability, which can better fit with pipes to be grooved of different shapes, and further improve the connection stability between the entire connection module and the pipe to be grooved.

[0038] An annular slide rail is also provided on the support frame 1, and the annular slide rail is coaxially arranged with the support frame 1. A rotating slide seat 3 is slidably provided on the annular slide rail. An adjusting slide groove 15 is provided on the rotating slide seat 3 along the axial direction of the support frame 1. The grooving device also includes an adjusting frame 4, and the cross section of the adjusting frame 4 is adapted to the adjusting slide groove 15. The adjusting frame 4 is inserted into the adjusting slide groove 15. A fastening screw 16 is also threadedly connected to the top of the rotating slide seat 3. The fastening screw 16 is inserted into the adjusting slide groove 15 and fixes the adjusting frame 4 by pressing against the top surface of the adjusting frame 4.

[0039] Preferably, the cross section of the adjusting frame 4 is rectangular, so as to provide sufficient space on the adjusting frame 4 for installing other equipment; at the same time, the contact area between the fastening screw 16 and the adjusting frame 4 can be increased, and the locking stability of the fastening screw 16 can be improved.

[0040] A through slot is provided in the middle of the adjustment frame 4, and sliding rods 5 are provided at both ends of the through slot along the axial direction of the support frame 1, and a limiting rod 17 is also provided on any one or both sides thereof; the slotting device also includes a tool holder 6, and the tool holder 6 is a flat plate structure, and sliding holes adapted to the sliding rod 5 are provided at both ends of the tool holder 6, and limiting holes 18 adapted to the limiting rod 17 are also provided, and the tool holder 6 is slidably connected to each of the sliding rods 5 and the limiting rod 17 through the sliding holes and the limiting holes 18; a limiting nut 19 is threadedly provided on the limiting rod 17, and the lower limit of the descent of the tool holder 6 is controlled by the limiting nut 19, thereby controlling the cutting depth, avoiding excessive cutting, and improving the slotting quality;

[0041] At the same time, the above structure can also flexibly adjust the cutting depth, thereby achieving progressive cutting, which is conducive to reducing the difficulty of grooving;

[0042] A support roller 20 is also provided at the free end of the adjustment frame 4. When working, the support roller 20 slides along the edge of the port of the pipe to be grooved, thereby providing support for the adjustment frame 4 at both ends, thereby ensuring that the knife holder 6 can only slide in the radial direction, thereby improving the cutting quality;

[0043] The tool holder 6 is a flat plate structure, and its cross section is a rectangular structure. At least two adjustment seats 7 are arranged on the tool holder 6, and each of the adjustment seats 7 is slidably connected to the tool holder 6. At the same time, a fastening screw 16 is also arranged on the top surface of the adjustment seat 7, and the adjustment seat 7 is fixed on the cutting station by the fastening screw 16;

[0044] A connecting sleeve 21 is also provided on one side of the adjustment seat 7, and a cutting knife 8 is slidably provided in the connecting sleeve 21. The cutting knife 8 includes a knife rod 801 and a cutting roller 802, wherein a U-shaped frame is provided on the top of the cutting roller 802, and the U-shaped frame is plugged and connected to the knife rod 801 to facilitate the replacement of different cutting rollers 802 as needed; at the same time, the use of the cutting roller 802 can effectively reduce the movement resistance while cutting and grooving, and the use of the equipment is more convenient and labor-saving.

[0045] The cross-section of the knife rod 801 is a rectangular structure. The knife rod 801 is slidably inserted into the connecting sleeve 21. A fixing screw 22 is threadedly connected to the side of the connecting sleeve 21. The fixing screw 22 abuts against the side of the knife rod 801 to lock the knife rod 801, thereby preventing the cutting knife 8 from sliding during the grooving process and ensuring cutting accuracy.

[0046] When the slotting device described in the present application is used, the end to be cut of the pipe to be slotted is first suspended in the air, and then the suspended end of the pipe to be slotted is inserted into the cavity in the middle of the support frame, and then the entire device is fixed on the pipe to be slotted through various connection modules; then the position of the cutting knife is controlled to the cutting point by the sliding adjustment seat; then the knife holder is pressed toward one side of the pipe to be slotted, so that the cutting knife gradually penetrates into the pipe to be slotted, and at the same time the rotating slide is driven to rotate around the annular slide rail, thereby realizing the slotting operation of the pipe;

[0047] Compared with the prior art, due to the limitation of the annular track, the rotating slide can only rotate along the fixed track around the axis of the pipe to be slotted. Since the position of the cutting knife is fixed, it can effectively ensure that the cutting knife always rotates in one plane, ensuring the smoothness of the slotting cut, thereby improving the cutting quality;

[0048] Secondly, several cutting knives can be used to simultaneously cut and groove the pipes to be grooved, which not only can realize the one-time forming of the annular groove, but also is conducive to the rapid removal of waste materials after cutting in the later stage, thereby improving the grooving efficiency of the annular groove; at the same time, the grooving operation of the annular groove can be realized at one time by sliding and rotating the slide seat, which is easy to operate and helps to improve the grooving efficiency.

[0049] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A grooving device for an annular groove, characterized in that: It comprises a support frame (1) in a ring-shaped structure; A plurality of connection modules, each of which is arranged on the support frame (1) around the axis of the support frame (1) to connect the pipe to be grooved; An annular slide rail, the annular slide rail is arranged on the support frame (1); a rotating slide seat (3) is also slidably arranged on the annular slide rail; an adjustment frame (4) is arranged on the rotating slide seat (3), and slide rods (5) are arranged on both sides of the adjustment frame (4); A knife holder (6), wherein both ends of the knife holder (6) are respectively connected in a sliding manner to the slide bar (5); at least two adjustment seats (7) are also arranged on the knife holder (6), and each adjustment seat (7) is provided with a cutting knife (8).

2. A grooving device for annular grooves according to claim 1, characterized in that: The connection module comprises a support plate (9) and an adjustment sleeve (10), wherein the support plate (9) is arranged on the inner side of the support frame (1), and a telescopic rod (11) is slidably arranged in the adjustment sleeve (10), and one end of the telescopic rod (11) is connected to the support plate (9); an adjustment spring (12) is also sleeved on the telescopic rod (11), and two ends of the adjustment spring (12) respectively abut against the telescopic rod (11) and the adjustment sleeve (10).

3. A grooving device for annular grooves according to claim 2, characterized in that: The adjusting sleeve (10) and the telescopic rod (11) are both provided with extrusion plates (13), and the two ends of the adjusting spring (12) are respectively in contact with the two extrusion plates (13).

4. A grooving device for annular grooves according to claim 2, characterized in that: The support plate (9) is in an arc-shaped structure, and a rubber plate (14) in an arc-shaped structure is arranged on the inner side of the support plate (9).

5. A grooving device for annular grooves according to claim 1, characterized in that: The rotating slide seat (3) is provided with an adjustment slot (15), and the adjustment frame (4) is slidably inserted into the adjustment slot (15); the rotating slide seat (3) is also threadedly connected with a fastening screw (16) for fixing the adjustment frame (4).

6. A grooving device for annular grooves according to claim 5, characterized in that: The adjustment frame (4) is also provided with a limit rod (17), the tool holder (6) is provided with a limit hole (18) adapted to the limit rod (17), and the limit rod (17) is threadedly connected with a limit nut (19) for controlling the position of the tool holder (6).

7. A grooving device for annular grooves according to claim 5, characterized in that: The free end of the adjustment frame (4) is also provided with a supporting roller (20).

8. A grooving device for annular grooves according to claim 1, characterized in that: The cutting knife (8) comprises a knife rod (801) and a cutting roller (802), and the cutting roller (802) is rotatably connected to the knife rod (801).

9. A grooving device for annular grooves according to claim 8, characterized in that: The cross section of the tool holder (6) is a rectangular structure, and the adjustment seat (7) is provided with a sliding groove adapted to the tool holder (6); the adjustment seat (7) is also provided with a connecting sleeve (21), and the tool rod (801) is slidably connected to the connecting sleeve (21).

10. A grooving device for annular grooves according to claim 9, characterized in that: The cross section of the knife rod (801) is a rectangular structure, and the connecting sleeve (21) is threadedly connected to a fixing screw (22) that fits the side of the knife rod (801).

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