Cutting equipment for threaded pipe machining

Abstract

The utility model provides cutting equipment for threaded pipe machining, which comprises a base plate, a fixing frame is fixedly connected to the middle of the upper side of the base plate, a cutting unit is arranged on the fixing frame, supporting frames capable of horizontally moving are arranged on the base plate and located on the two sides of the fixing frame respectively, an arc-shaped first through groove is formed in the upper side of each supporting frame, and a second through groove is formed in the lower side of each supporting frame. A limiting plate capable of vertically moving is arranged on the upper side of the supporting frame, an arc-shaped second through groove is formed in the position, corresponding to the first through groove, of the bottom of the limiting plate, and anti-skid assemblies are inserted into the first through groove and the second through groove. The threaded pipe cutting device has the advantages that when the threaded pipe cutting device is used for cutting a threaded pipe, the threaded pipe can be supported more stably, the threaded pipe cutting device can be used for the threaded pipes of different rules, safety is guaranteed, and the cut threaded pipe is prevented from rolling down after cutting.

Description

Technical Field

[0001] The utility model belongs to the field of threaded pipe processing equipment, and particularly relates to a cutting device for processing threaded pipes. Background Art

[0002] A threaded pipe is a pipe with a threaded structure, mostly made of stainless steel. During the processing and use of threaded pipes, it is often necessary to cut them due to various dimensional requirements. In a Chinese patent with the application number 202322632048.1, a cutting device for the production of threaded pipes is disclosed, and its structure is as follows: an operating table is arranged inside the device main body, a conveying groove is opened inside the device main body, a conveying frame is assembled inside the conveying groove, a transmission mechanism that is in transmission connection with the conveying frame is assembled inside the operating table, and a cutting mechanism is assembled on the top of the operating table. However, this structure has the following defects: insufficient safety, the cut-off head of the threaded pipe is very easy to roll off, and there are certain limitations for threaded pipes of different specifications. Content of the Utility Model

[0003] In view of this, the utility model aims to overcome the above deficiencies in the prior art and proposes a cutting device for processing threaded pipes.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A cutting device for processing threaded pipes includes a base plate. A fixing frame is fixedly connected to the middle of the upper side of the base plate. A cutting unit is arranged on the fixing frame. Support frames that can move horizontally are respectively arranged on both sides of the fixing frame on the base plate. An arc-shaped first through groove is arranged on the upper side of each support frame. A limiting plate that can move vertically is arranged on the upper side of the support frame. An arc-shaped second through groove is opened at the bottom of the limiting plate corresponding to the first through groove. Anti-slip components are inserted into both the first through groove and the second through groove.

[0006] Further, the base plate has a U-shaped structure. A screw rod is horizontally arranged between the vertical parts on both sides of the base plate. A first motor is fixedly connected to the outer wall of one vertical part of the base plate. The output shaft of the first motor is fixedly connected to one end of the screw rod. Limiting rods that are distributed front and back and are located above the horizontal part are fixedly connected between the lower parts of the vertical parts on both sides of the base plate. Limiting blocks that horizontally extend outwards are respectively arranged at the front and back bottoms of the support frame. The limiting blocks are located between the horizontal part of the base plate and the corresponding limiting rods. The middle of the support frame is screwed onto the screw rod.

[0007] Further, the screw rod is a bidirectional screw rod.

[0008] Further, a through hole is opened on the fixing frame corresponding to the screw rod, and the screw rod passes through the through hole.

[0009] Further, a guide rod is vertically and fixedly connected to the rear side of the first through groove on the support frame, and a threaded rod capable of rotating along the axis is vertically provided on the front side of the first through groove. Connecting blocks integrally formed are horizontally provided on the front and rear sides of the limiting plate, and the connecting block on the front side is screwed to the threaded rod, and the connecting block on the rear side is sleeved on the guide rod. A runner is fixedly connected to the top end of the threaded rod.

[0010] Further, an installation hole is formed in the support frame corresponding to the guide rod. The guide rod is installed in the installation hole by interference fit, and a limiting cap is provided at the top end of the guide rod. An L-shaped notch is formed in the upper part of the front side of the support frame, and a fixed block is fixedly connected at the notch. A first semi-circular groove and a second semi-circular groove located at the bottom of the first semi-circular groove are formed on the side wall of the notch. The radius of the first semi-circular groove is smaller than that of the second semi-circular groove, and the two are coaxially arranged and communicated with each other. A third semi-circular groove docked with the first semi-circular groove is formed in the fixed block corresponding to the first semi-circular groove, and a fourth semi-circular groove docked with the second semi-circular groove is formed corresponding to the second semi-circular groove. A limiting boss is fixedly connected to the bottom end of the threaded rod, and the limiting boss is movably arranged between the second semi-circular groove and the fourth semi-circular groove. The threaded rod is movably arranged between the first semi-circular groove and the third semi-circular groove.

[0011] Further, the anti-slip assembly includes an arc-shaped plate and an anti-slip pad fixedly connected to the inner side of the arc-shaped plate. A plurality of anti-slip ridges are provided on the anti-slip pad. First clamping grooves communicated with the first through groove are formed on both sides of the upper end of the first through groove on one side of the support frame. Second clamping grooves communicated with the second through groove are formed on both sides of the lower end of the second through groove on one side of the limiting plate, and the ends of the first clamping grooves and the second clamping grooves are both sealed. Clamping strips integrally formed are horizontally provided on both sides of the open end of the arc-shaped plate. Each arc-shaped plate is clamped between two first through grooves and two second through grooves through the clamping strips.

[0012] Further, an L-shaped pulling block is fixedly connected to the outer end of each clamping strip.

[0013] Further, the cutting unit includes a cutting blade, a hydraulic cylinder and a second motor. A cutting cavity is provided in the upper part of the fixed frame, and a top plate is provided above the cutting cavity. The hydraulic cylinder is fixedly connected above the top plate. The end of the telescopic rod of the hydraulic cylinder is below the top plate and is fixedly connected with a cutting frame. The cutting blade is connected in the cutting frame. The second motor is fixedly connected to the outside of the cutting frame, and the output shaft of the second motor is fixedly connected to the cutting blade.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The cutting device for processing threaded pipes according to the present utility model supports the threaded pipes through the support frames on both sides of the fixed frame, and enables the support frames to be adjusted in position according to actual needs; presses and fixes the threaded pipes through the vertically movable limiting plates arranged on the support frames, and is applicable to threaded pipes of different diameter specifications; finally, cuts the fixed threaded pipes through the cutting unit arranged on the fixed frame; when cutting the threaded pipes, the device supports the threaded pipes more stably, meets the use of threaded pipes of different rules, and also ensures safety, avoiding the cut-off threaded pipes from rolling after cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings forming a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the cutting device for processing threaded pipes according to an embodiment of the present utility model;

[0018] Figure 2 is an exploded view of the connection structure between the support frame and the limiting plate according to an embodiment of the present utility model;

[0019] Figure 3 is a schematic structural diagram of the anti-slip component according to an embodiment of the present utility model.

[0020] Description of the reference numerals:

[0021] 1, substrate; 101, horizontal part; 102, vertical part; 103, limiting rod; 2, fixed frame; 201, through hole; 202, cutting cavity; 203, top plate; 3, support frame; 301, first through groove; 302, limiting block; 303, cut-off corner; 304, first semi-circular groove; 305, second semi-circular groove; 306, mounting hole; 4, limiting plate; 401, second through groove; 402, connecting block; 5, anti-slip component; 501, arc plate; 502, anti-slip pad; 5021, anti-slip convex strip; 503, clamping strip; 504, pulling block; 6, screw rod; 7, first motor; 8, hydraulic cylinder; 9, cutting frame; 10, cutting blade; 11, second motor; 12, fixed block; 1201, third semi-circular groove; 13, threaded rod; 1301, runner; 1302, limiting boss; 14, guide rod; 1401, limiting cap; 15, roller. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0024] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific circumstances.

[0025] The present utility model will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0026] As shown in the figure, a cutting device for processing threaded pipes includes a base plate 1. In the middle of the upper side of the base plate 1, a fixing frame 2 is fixedly connected. A cutting unit is provided on the fixing frame 2. On both sides of the fixing frame 2 on the base plate 1, support frames 3 capable of horizontal movement are respectively provided. And on the upper side of each support frame 3, an arc-shaped first through groove 301 is provided. On the upper side of the support frame 3, a limiting plate 4 capable of vertical movement is provided. And at the bottom of the limiting plate 4 corresponding to the first through groove 301, an arc-shaped second through groove 401 is opened. Anti-slip components 5 are inserted into both the first through groove 301 and the second through groove 401. In this embodiment, the threaded pipes are supported by the support frames 3 on both sides of the fixing frame 2, and the support frames 3 can be adjusted in position according to actual needs; the threaded pipes are pressed and fixed by the limiting plate 4 capable of vertical movement provided on the support frames 3, and it is applicable to threaded pipes of different diameter specifications; finally, the fixed threaded pipes are cut by the cutting unit provided on the fixing frame 2.

[0027] The substrate 1 has a U-shaped structure. A screw rod 6 is horizontally arranged between the vertical parts 102 on both sides of the substrate 1. A first motor 7 is fixedly connected to the outer wall of the vertical part 102 on one side of the substrate 1, and the output shaft of the first motor 7 is fixedly connected to one end of the screw rod 6. Between the lower parts of the vertical parts 102 on both sides of the substrate 1, there are two limiting rods 103 which are fixedly connected and located above the horizontal part 101 and are distributed front and back. On the bottom of the front and back sides of the support frame 3, there are horizontally outwardly extending limiting blocks 302. The limiting blocks 302 are located between the horizontal part 101 of the substrate 1 and the corresponding limiting rods 103, and the middle part of the support frame 3 is screwed onto the screw rod 6. In this embodiment, the other end of the screw rod 6 is fixedly connected to the vertical part 102 on the other side of the substrate 1 through a bearing. The first motor 7 drives the screw rod 6 to drive the support frame 3 to move, so as to adjust the position of the support frame 3.

[0028] There are two rollers 15 provided at the bottom of the support frame 3, and the rollers 15 can move on the horizontal part 101 of the substrate 1, thereby facilitating the movement of the support frame 3.

[0029] The screw rod 6 is a bidirectional screw rod 6, and two support frames 3 are screwed onto the screw rod 6, and can move towards or away from each other.

[0030] A through hole 201 is opened on the fixing frame 2 corresponding to the screw rod 6, and the screw rod 6 is arranged through the through hole 201.

[0031] A guide rod 14 is vertically and fixedly connected to the support frame 3 at the rear side of the first through groove 301. A threaded rod 13 that can rotate along the axis is vertically arranged at the front side of the first through groove 301. Horizontally integrated connecting blocks 402 are provided on the front and back sides of the limiting plate 4, and the connecting block 402 on the front side is screwed onto the threaded rod 13, and the connecting block 402 on the rear side is sleeved on the guide rod 14. A runner 1301 is fixedly connected to the top of the threaded rod 13. In this embodiment, the runner 1301 is welded and fixed to the threaded rod 13 or fixedly connected to the threaded rod 13 through a screw. By rotating the runner 1301, the threaded rod 13 is rotated to move the limiting plate 4 up and down.

[0032] An installation hole 306 is provided on the support frame 3 corresponding to the guide rod 14. The guide rod 14 is installed in the installation hole 306 by interference fit, and a limit cap 1401 is provided at the top end of the guide rod 14 to prevent the limit plate 4 from detaching. An L-shaped notch 303 is provided at the upper part of the front side of the support frame 3, and a fixing block 12 is fixedly connected at the notch 303. A first semi-circular groove 304 and a second semi-circular groove 305 located at the bottom of the first semi-circular groove 304 are provided on the side wall of the notch 303. The radius of the first semi-circular groove 304 is smaller than that of the second semi-circular groove 305, and the two are coaxially arranged and communicate with each other. A third semi-circular groove 1201 that is butted against the first semi-circular groove 304 is provided on the fixing block 12 corresponding to the first semi-circular groove 304, and a fourth semi-circular groove that is butted against the second semi-circular groove 305 is provided corresponding to the second semi-circular groove 305. A limit boss 1302 is fixedly connected to the bottom end of the threaded rod 13. The limit boss 1302 is movably arranged between the second semi-circular groove 305 and the fourth semi-circular groove, and the threaded rod 13 is movably arranged between the first semi-circular groove 304 and the third semi-circular groove 1201. When the rotating wheel 1301 is rotated, the threaded rod 13 can be rotated, so that the limit plate 4 can move along the threaded rod 13. In this embodiment, the fixing block 12 is fixedly connected to the notch 303 by a plurality of screws.

[0033] The anti-slip assembly 5 includes an arc-shaped plate 501 and an anti-slip pad 502 fixedly connected to the inner side of the arc-shaped plate 501. A plurality of anti-slip ridges 5021 are provided on the anti-slip pad 502. First clamping grooves communicating with the first through groove 301 are provided on both sides of the upper end of the first through groove 301 on one side of the support frame 3. Second clamping grooves communicating with the second through groove 401 are provided on both sides of the lower end of the second through groove 401 on one side of the limit plate 4. The ends of the first clamping groove and the second clamping groove are both sealed. On both sides of the open end of the arc-shaped plate 501, integrally formed clamping strips 503 are horizontally provided. Each arc-shaped plate 501 is clamped between two first through grooves 301 and between two second through grooves 401 through the clamping strips 503, so that the anti-slip assembly 5 is set as a structure that is convenient for disassembly and assembly on the support frame 3 and the limit plate 4, facilitating replacement when the anti-slip ridges 5021 are severely worn in the later stage.

[0034] An L-shaped pulling block 504 is fixedly connected to the outer end of each clamping strip 503, facilitating the operator to pull the pulling block 504 to disassemble and assemble the anti-slip assembly 5 on the support frame 3 and the limit plate 4.

[0035] The cutting unit includes a cutting blade 10, a hydraulic cylinder 8, and a second motor 11. A cutting chamber 202 is provided on the upper part of the fixed frame 2. A top plate 203 is provided on the upper side of the cutting chamber 202. The hydraulic cylinder 8 is fixedly connected to the upper side of the top plate 203. The end of the telescopic rod of the hydraulic cylinder 8 is located below the top plate 203 and is fixedly connected to a cutting frame 9. The cutting blade 10 is connected in the cutting frame 9. The second motor 11 is fixedly connected to the outside of the cutting frame 9, and the output shaft of the second motor 11 is fixedly connected to the cutting blade 10. In this embodiment, the cutting blade 10 is controlled to move up and down by the hydraulic cylinder 8, and the cutting blade 10 is driven to rotate by the second motor 11, so that the cutting blade 10 can cut the threaded pipe.

[0036] The working process of this embodiment is as follows:

[0037] According to the length of the threaded pipe to be cut, adjust the positions of the two support frames 3. Drive the screw 6 to rotate through the first motor 7 to move the two support frames 3 towards or away from each other; then turn the runner 1301 to move the two limit plates 4 upward, pass one end of the threaded pipe to be cut through the support frame 3 on one side, the fixed frame 2, and the support frame 3 on the other side in sequence, and turn the runner 1301 to move the limit plate 4 downward to press the threaded pipe tightly; then control the cutting blade 10 to move up and down through the hydraulic cylinder 8, and drive the cutting blade 10 to rotate through the second motor 11 to realize the cutting of the threaded pipe.

[0038] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cutting device for threaded pipe processing, characterized in that: It includes a base plate, a fixing frame is fixedly connected to the middle of the upper side of the base plate, a cutting unit is arranged on the fixing frame, support frames that can move horizontally are arranged on both sides of the base plate, and each support frame has an arc-shaped first through groove on the upper side, a limiting plate that can move vertically is arranged on the upper side of the support frame, and an arc-shaped second through groove is opened at the bottom of the limiting plate corresponding to the first through groove, and anti-slip components are inserted in the first through groove and the second through groove.

2. A threaded pipe processing cutting device according to claim 1, characterized in that: The base plate has a U-shaped structure, with a screw rod horizontally arranged between the vertical parts on both sides of the base plate, and a first motor is fixedly connected to the outer wall of the vertical part on one side of the base plate, and the output shaft of the first motor is fixedly connected to one end of the screw rod, and a limit rod located above the horizontal part and distributed front and back is fixedly connected between the lower parts of the vertical parts on both sides of the base plate, and limit blocks are horizontally arranged outward at the bottom of the front and rear sides of the support frame, and the limit blocks are located between the horizontal part of the base plate and the corresponding limit rod, and the middle part of the support frame is screwed on the screw rod.

3. A threaded pipe processing cutting device according to claim 2, characterized in that: The screw is a bidirectional screw.

4. A threaded pipe processing cutting device according to claim 2, characterized in that: A through hole is provided on the fixing frame at a position corresponding to the screw rod, and the screw rod is arranged through the through hole.

5. The threaded pipe cutting device according to claim 1, characterized in that: A guide rod is vertically fixedly connected to the support frame at the rear side of the first through slot, and a threaded rod that can rotate along the axis is vertically provided at the front side of the first through slot. One-piece connecting blocks are horizontally provided on the front and rear sides of the limit plate, and the front connecting block is screwed together with the threaded rod, and the rear connecting block is sleeved on the guide rod, and a rotating wheel is fixed to the top end of the threaded rod.

6. A threaded pipe processing cutting device according to claim 5, characterized in that: A mounting hole is provided on the support frame at a position corresponding to the guide rod, the guide rod is installed in the mounting hole by interference fit, and a limiting cap is provided on the top end of the guide rod, an L-shaped notch is provided at the upper front side of the support frame, and a fixing block is fixedly connected to the notch, a first semicircular groove and a second semicircular groove located at the bottom of the first semicircular groove are provided on the side wall of the notch, the radius of the first semicircular groove is smaller than the radius of the second semicircular groove, and the two are coaxially arranged and connected to each other, a third semicircular groove corresponding to the first semicircular groove is provided on the fixing block and is connected to the first semicircular groove, a fourth semicircular groove corresponding to the second semicircular groove is provided and is connected to the second semicircular groove, a limiting boss is fixedly connected to the bottom end of the threaded rod, the limiting boss is movably arranged between the second semicircular groove and the fourth semicircular groove, and the threaded rod is movably arranged between the first semicircular groove and the third semicircular groove.

7. The cutting device for threaded pipe processing according to claim 1, characterized in that: The anti-skid component includes an arc-shaped plate and an anti-skid pad fixedly connected to the inner side of the arc-shaped plate, the anti-skid pad is provided with a plurality of anti-skid convex strips, a first clamping groove connected to the first through groove is opened on one side of the support frame and located on both sides of the upper end of the first through groove, a second clamping groove connected to the second through groove is opened on one side of the limiting plate and located on both sides of the lower end of the second through groove, and the ends of the first clamping groove and the second clamping groove are both sealed, one-piece clamping strips are horizontally provided on both sides of the open end of the arc-shaped plate, and each arc-shaped plate is clamped between the two first through grooves and between the two second through grooves through the clamping strips.

8. A threaded pipe processing cutting device according to claim 7, characterized in that: An L-shaped pull block is fixedly connected to the outer end of each clamping strip.

9. The threaded pipe cutting device according to claim 1, characterized in that: The cutting unit includes a cutting blade, a hydraulic cylinder and a second motor. A cutting chamber is provided on the upper part of the fixed frame, a top plate is provided on the upper side of the cutting chamber, a hydraulic cylinder is fixedly connected to the upper side of the top plate, the end of the telescopic rod of the hydraulic cylinder is below the top plate and fixedly connected to the cutting frame, the cutting blade is connected in the cutting frame, the second motor is fixedly connected to the outer side of the cutting frame, and the output shaft of the second motor is fixedly connected to the cutting blade.

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