CN216126635U

CN216126635U - Portable universal pipe cutting machine

Info

Publication number: CN216126635U
Application number: CN202122439061.6U
Authority: CN
Inventors: 谷显波; 戴巍; 王宇鹏
Original assignee: Anshan Zizhu High Tech Equipment Manufacturing Co ltd
Current assignee: Anshan Zizhu High Tech Equipment Manufacturing Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-25
Anticipated expiration: 2031-10-11

Abstract

The utility model relates to a portable universal pipe cutting machine, which comprises a cutting machine, a connecting chain, a roller bracket and an adjusting chain which are connected end to end in sequence; the cutting machine consists of a main frame, a driving device bracket, a saw blade and a saw blade protective cover; the driving device bracket is arranged on the main frame and can move up and down, the driving device is arranged on the driving device bracket, the saw blade is arranged on an output shaft of the driving device, and the outer side of the upper part of the saw blade is provided with a saw blade protective cover; the roller bracket consists of a bracket and a plurality of groups of rollers, and two ends of the bracket are respectively connected with the corresponding ends of the connecting chain and the corresponding ends of the adjusting chain; the other end of the connecting chain is connected with the corresponding end of the main frame, and the other end of the adjusting chain is connected with the corresponding end of the main frame through a tensioning mechanism. The utility model has simple structure, small volume and convenient carrying and operation, and can be used for cutting pipe diameters of various specifications; various driving devices can be adopted, and the requirements of field operation are fully met.

Description

Portable universal pipe cutting machine

Technical Field

The utility model relates to the technical field of pipe cutting, in particular to a portable universal pipe cutting machine.

Background

Tubular product often need cut when using, and present tubular product cutting generally adopts modes such as pipe saw machine, cutting knife, and adopts fixed equipment more, operates in the factory building of manufacturing and processing enterprise. The small-sized pipe cutting machine for home decoration has the advantages of being convenient to carry, and has the defects of being small in power and pipe cutting caliber and only suitable for cutting pipes with low hardness such as PVC pipes.

On a construction site, when a large-diameter steel pipe needs to be cut, the steel pipe is inconvenient to hoist and transport due to large diameter and long length; the construction progress is often influenced because no corresponding cutting equipment is needed for the field treatment and the operation is troublesome; therefore, a portable universal pipe cutting machine suitable for large pipes needs to be designed.

Disclosure of Invention

The utility model provides a portable universal pipe cutting machine which is simple in structure, small in size, convenient to carry and operate and capable of being used for cutting pipe diameters of various specifications; various driving devices can be adopted, and the requirements of field operation are fully met.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a portable universal pipe cutting machine comprises a cutting machine, a connecting chain, a roller bracket and an adjusting chain which are connected end to end in sequence; the cutting machine is a manual circular saw blade cutting machine and consists of a main frame, a driving device bracket, a saw blade and a saw blade protective cover; the driving device bracket is arranged on the main rack and can move up and down, the driving device is arranged on the driving device bracket, the saw blade is arranged on an output shaft of the driving device, and a saw blade protective cover is arranged on the outer side of the upper part of the saw blade; the roller bracket consists of a bracket and a plurality of groups of rollers, the rollers are arranged on the inner side of the bracket, and two ends of the bracket are respectively connected with the corresponding ends of the connecting chain and the corresponding ends of the adjusting chain; the other end of the connecting chain is connected with the corresponding end of the main frame, and the other end of the adjusting chain is connected with the corresponding end of the main frame through a tensioning mechanism.

A portable universal pipe cutting machine also comprises a cutting depth adjusting device; the cutting depth adjusting device consists of an adjusting screw rod, a locking nut and a handle; the driving device bracket is provided with a mounting hole, and the driving device is arranged in the mounting hole; the driving device bracket is connected with the main frame in a sliding way; the top of the main frame is provided with a threaded hole, the top of the driving device bracket is correspondingly provided with a through hole, the lower end of the adjusting screw rod sequentially penetrates through the threaded hole on the main frame and the through hole on the driving device bracket, and the adjusting screw rods on the two sides of the driving device bracket are respectively provided with a locking nut; the upper end of the adjusting screw rod is provided with a handle; the main frame is provided with a driving device shield at the outer side corresponding to the driving device.

The driving device is an electric motor, a hydraulic motor or a pneumatic motor.

And two ends of the main frame are respectively provided with a supporting roller and a pull handle, and the supporting roller is a double-row roller.

And two ends of the main frame are respectively provided with a spanner joint, and the spanner is fixedly inserted with the spanner joint.

The main frame is hinged with the connecting end of the connecting chain, the roller wheel bracket is hinged with the connecting end of the connecting chain, and the chains at two ends of the connecting chain are respectively hung on the corresponding hooks.

And 2 groups of rollers are arranged on the roller bracket, and the 2 groups of rollers are double-row rollers.

A hook is arranged at the connecting end of the roller bracket and the adjusting chain, and the chain at the corresponding end of the adjusting chain is hung on the hook; a roller is arranged at the connecting end of the adjusting chain and the tensioning mechanism; a hanging lug is arranged at the connecting end of the main frame and the tensioning mechanism; the tensioning mechanism consists of a first connecting nut, a second connecting nut, a sleeve, a first screw and a second screw; one end of the first screw rod is sleeved on the roller shaft at the corresponding end of the adjusting chain through a shaft sleeve, and the other end of the first screw rod is in threaded fit connection with the first connecting cap; one end of the screw rod II is hinged with a hanging lug on the main rack, the other end of the screw rod II is in threaded fit connection with the connecting cap II, and the connecting cap I and the connecting cap II are in threaded fit connection with the sleeve respectively; the screw thread turning directions of the first connecting cap and the second connecting cap for connecting the sleeve are opposite, and the screw thread turning directions of the first connecting cap and the second connecting cap for connecting the corresponding screw rod or the second screw rod are opposite.

Compared with the prior art, the utility model has the beneficial effects that:

1) the chain type connecting structure is adopted, so that the structure is simple, the weight is light, and the size is small; the cutting machine, the connecting chain, the roller bracket and the adjusting chain are detachably connected, so that the installation and the disassembly are convenient;

2) the motor, the hydraulic motor or the pneumatic motor can be used as a driving device, is still suitable for occasions without power connection, and can meet the use requirements of different field conditions;

3) the two ends of the cutting machine are respectively provided with a spanner handle, so that the bidirectional operation can be realized;

4) the cutting depth adjusting device is arranged, so that the cutting depth can be conveniently adjusted, and the cutting requirements of pipelines with different wall thicknesses are met;

5) the tensioning mechanism adopts a screw rod combination mechanism, and has the advantages of simple structure, convenient adjustment and reliable work.

Drawings

Fig. 1 is a front view of a portable universal pipe cutter of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a half sectional view of the cutting machine of the present invention.

Fig. 4 is a right side sectional view of fig. 3.

Fig. 5 is a front view of the adjusting chain of the present invention.

Fig. 6 is a top view of fig. 5.

In the figure: 1. cutting machine 11, driving device 12, saw blade 13, driving device bracket 14, saw blade protective cover 15, supporting roller 16, wrench handle joint 17, wrench handle 18, main frame 19, driving device shield 2, connecting chain 3, roller bracket 4, adjusting chain 5, tensioning mechanism 51, connecting cap one 52, connecting cap two 53, sleeve 54, screw rod one 55, screw rod two 6, steel pipe 7, roller 8, cutting depth adjusting device 81, adjusting screw rod 82, locking nut 83 and handle

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings:

as shown in fig. 1 and 2, the portable universal pipe cutting machine of the utility model comprises a cutting machine 1, a connecting chain 2, a roller bracket 3 and an adjusting chain 4 which are connected end to end in sequence; the cutting machine 1 is a manual circular saw blade cutting machine and consists of a main frame 18, a driving device 11, a driving device bracket 13, a saw blade 12 and a saw blade protective cover 14; the driving device bracket 13 is arranged on the main frame 18 and can move up and down, the driving device 11 is arranged on the driving device bracket 13, the saw blade 12 is arranged on an output shaft of the driving device 11, and a saw blade protective cover 14 is arranged on the outer side of the upper part of the saw blade 12; the roller bracket 3 consists of a bracket and a plurality of groups of rollers, the rollers are arranged on the inner side of the bracket, and two ends of the bracket are respectively connected with the corresponding ends of the connecting chain 2 and the adjusting chain 4; the other end of the connecting chain 2 is connected with the corresponding end of the main frame 18, and the other end of the adjusting chain 4 is connected with the corresponding end of the main frame 18 through the tensioning mechanism 5.

As shown in fig. 3 and 4, the portable universal pipe cutting machine further comprises a cutting depth adjusting device; the cutting depth adjusting device consists of an adjusting screw 81, a locking nut 82 and a handle 83; the driving device bracket 13 is provided with a mounting hole, and the driving device 11 is arranged in the mounting hole; the driving device bracket 13 is connected with the main frame 18 in a sliding way; the top of the main frame 18 is provided with a threaded hole, the top of the driving device bracket 13 is correspondingly provided with a through hole, the lower end of the adjusting screw 81 sequentially passes through the threaded hole on the main frame 18 and the through hole on the driving device bracket 13, and the adjusting screws 81 on the two sides of the driving device bracket 13 are respectively provided with a locking nut 82; the upper end of the adjusting screw rod 82 is provided with a handle 83; the main frame 18 is provided with a drive unit cover 19 outside the drive unit 11.

The driving device 11 is an electric motor, a hydraulic motor or a pneumatic motor.

The two ends of the main frame 18 are respectively provided with a supporting roller 15 and a pull handle 17, and the supporting roller 15 is a double-row roller.

The two ends of the main frame 18 are respectively provided with a wrench joint 16, and a wrench 17 is fixedly inserted into the wrench joint 16.

The main frame 18 and the connecting end of the connecting chain 2, and the roller bracket 3 and the connecting end of the connecting chain 2 are respectively hinged with a hook, and the chains at the two ends of the connecting chain 2 are respectively hung on the corresponding hooks.

The roller bracket 3 is provided with 2 groups of rollers 7, and the 2 groups of rollers 7 are double-row rollers.

A hook is arranged at the connecting end of the roller bracket 3 and the adjusting chain 4, and the chain at the corresponding end of the adjusting chain 4 is hung on the hook; a roller 7 is arranged at the connecting end of the adjusting chain 4 and the tensioning mechanism 5; a hanging lug is arranged at the connecting end of the main frame 18 and the tensioning mechanism 5; as shown in fig. 5 and 6, the tensioning mechanism 5 is composed of a first connecting cap 51, a second connecting cap 52, a sleeve 53, a first screw 54 and a second screw 55; one end of the first screw rod 54 is sleeved on the roller shaft at the corresponding end of the adjusting chain 4 through a shaft sleeve, and the other end of the first screw rod is in threaded fit connection with the first connecting cap 51; one end of the second screw rod 55 is hinged with a hanging lug on the main frame 18, the other end of the second screw rod is in threaded fit connection with the second connecting cap 52, and the first connecting cap 51, the second connecting cap 52 and the sleeve 53 are in threaded fit connection respectively; the screw thread turning directions of the first connecting cap 51 and the second connecting cap 52 for connecting with the sleeve 53 are opposite, and the screw thread turning directions of the first connecting cap 51 and the second connecting cap 52 for connecting with the corresponding screw rod 51 or the corresponding screw rod 52 are opposite.

The following examples are carried out on the premise of the technical scheme of the utility model, and detailed embodiments and specific operation processes are given, but the scope of the utility model is not limited to the following examples.

[ examples ] A method for producing a compound

As shown in fig. 1 and 2, in the present embodiment, a portable universal pipe cutting machine is used to cut a steel pipe 6 with a diameter of 600mm and a wall thickness of 18 mm; the portable universal pipe cutting machine comprises a cutting machine 1, a connecting chain 2, a roller bracket 3 and an adjusting chain 4 which are connected end to end in sequence; the cutting machine 1 is a manual circular saw blade cutting machine and consists of a main frame, a motor bracket, a circular saw blade and a saw blade protective cover; the motor bracket is arranged on the main frame, the motor is arranged on the motor bracket, the circular saw blade is arranged on an output shaft of the motor, and the saw blade protective cover is arranged on the outer side of the upper part of the circular saw blade.

The two ends of the main frame are respectively provided with a supporting roller and a pull handle, and the supporting roller is a double-row roller.

The roller bracket consists of a bracket and 2 groups of rollers, and the rollers are double rows of rollers and are arranged on the inner side (the side close to the steel pipe) of the bracket. The roller bracket is provided with 2 groups of rollers, and the 2 groups of rollers are double-row rollers. Two ends of the bracket are respectively connected with the corresponding ends of the connecting chain and the corresponding ends of the adjusting chain; the other end of the connecting chain is connected with the corresponding end of the main frame, and the other end of the adjusting chain is connected with the corresponding end of the main frame through a tensioning mechanism 5.

The connecting ends of the main frame and the connecting chain and the connecting ends of the roller wheel bracket and the connecting chain are respectively hinged with a hook, and the chains at the two ends of the connecting chain are respectively hung on the corresponding hooks.

A hook is arranged at the connecting end of the roller bracket and the adjusting chain, and the chain at the corresponding end of the adjusting chain is hung on the hook; a roller is arranged at the connecting end of the adjusting chain and the tensioning mechanism; a hanging lug is arranged at the connecting end of the driving device bracket and the tensioning mechanism; the tensioning mechanism consists of a first connecting cap, a second connecting cap, a sleeve, a first screw and a second screw; the first connecting cap and the second connecting cap are provided with external threads with opposite rotation directions and are respectively connected with the internal threads of the sleeve, one end of the first screw rod is sleeved on the roller shaft at the corresponding end of the adjusting chain, and the other end of the first screw rod is connected with the threaded hole of the first connecting cap through the external threads; one end of the second screw rod is hinged with the hanging lug on the driving device bracket, and the other end of the second screw rod is connected with the threaded hole of the second connecting cap through external threads.

The portable universal pipe cutting machine is also provided with a cutting depth adjusting device 8 consisting of an adjusting screw rod and a locking nut; the motor bracket is provided with a mounting hole, and the motor is arranged in the mounting hole; the top of main frame sets up the screw hole, and the through-hole is seted up to the top that corresponds the motor bracket, and adjusting screw's lower extreme passes screw hole on the main frame, the through-hole on the motor bracket in proper order, and adjusting screw is fixed through 2 lock nuts of locating motor bracket top and below respectively. The upper end of the adjusting screw rod is provided with a handle. The two sides of the main frame are provided with slideways, the two sides of the motor bracket are correspondingly provided with slide rails, and the main frame and the motor bracket are matched through the slideways and the slide rails to realize sliding connection; when the height of the motor is adjusted, the locking nut is firstly loosened, then the handle is rotated to enable the adjusting screw rod to rotate to drive the motor bracket to move upwards or downwards, and the locking nut is locked and fixed after the motor is adjusted in place.

In this embodiment, the cutting machine is fixed on the steel pipe that waits to cut through subassembly such as connecting chain, running roller bracket, regulation chain, realizes the chain tensioning through straining device after the installation. When the pipe diameter of the pipeline to be cut changes, the number of the links on the connecting chains and/or the adjusting chains can be increased or decreased to meet the use requirement, and the applicability is strong.

The cutting depth adjusting device aims to adjust the cutting depth of the saw blade by controlling the motor to move up and down, and when the cutting depth adjusting device is used, firstly, the height of the motor is adjusted according to needs, and then, the pipe cutting operation is carried out.

The motor shield is arranged to protect the cutting machine body from being damaged by external force, namely, the protection effect is achieved; the saw blade protective cover is arranged to prevent splashes from hurting people when the saw blade rotates at a high speed to cut the steel pipe.

In the embodiment, when the steel pipe is cut, an operator firstly places the steel pipe to be cut on the bracket, then fixes the portable universal pipe cutting machine on the steel pipe, aligns the saw blade with the cutting line, and tightly adheres the rollers of all the parts to the outer wall of the steel pipe by adjusting the tensioning mechanism; the adjusting screw rod is rotated through the handle, and the cutting depth of the saw blade is adjusted by changing the height of the motor. After the adjustment process is completed, the motor is started to cut, the cutting concentration of the saw blade is adjusted, the steel pipe wall is guaranteed to be cut completely, the pull handle is pressed on one side of the steel pipe, the cutting machine rotates around the steel pipe for a circle, then the cutting machine is completed, and the cutting machine returns to the original position at the moment.

After the steel pipe is cut, the motor is adjusted to the initial height, the power supply is turned off, and the portable universal pipe cutting machine is detached from the steel pipe.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and their concepts should be equivalent or changed within the technical scope of the present invention.

Claims

1. A portable universal pipe cutting machine is characterized by comprising a cutting machine, a connecting chain, a roller bracket and an adjusting chain which are connected end to end in sequence; the cutting machine is a manual circular saw blade cutting machine and consists of a main frame, a driving device bracket, a saw blade and a saw blade protective cover; the driving device bracket is arranged on the main rack and can move up and down, the driving device is arranged on the driving device bracket, the saw blade is arranged on an output shaft of the driving device, and a saw blade protective cover is arranged on the outer side of the upper part of the saw blade; the roller bracket consists of a bracket and a plurality of groups of rollers, the rollers are arranged on the inner side of the bracket, and two ends of the bracket are respectively connected with the corresponding ends of the connecting chain and the corresponding ends of the adjusting chain; the other end of the connecting chain is connected with the corresponding end of the main frame, and the other end of the adjusting chain is connected with the corresponding end of the main frame through a tensioning mechanism.

2. The portable universal pipe cutter as recited in claim 1, further comprising a depth of cut adjustment means; the cutting depth adjusting device consists of an adjusting screw rod, a locking nut and a handle; the driving device bracket is provided with a mounting hole, and the driving device is arranged in the mounting hole; the driving device bracket is connected with the main frame in a sliding way; the top of the main frame is provided with a threaded hole, the top of the driving device bracket is correspondingly provided with a through hole, the lower end of the adjusting screw rod sequentially penetrates through the threaded hole on the main frame and the through hole on the driving device bracket, and the adjusting screw rods on the two sides of the driving device bracket are respectively provided with a locking nut; the upper end of the adjusting screw rod is provided with a handle; the main frame is provided with a driving device shield at the outer side corresponding to the driving device.

3. The portable universal pipe cutter as recited in claim 1, wherein said driving means is an electric motor, a hydraulic motor or a pneumatic motor.

4. The portable universal pipe cutting machine as claimed in claim 1, wherein the main frame is provided at both ends thereof with a supporting roller and a handle bar, respectively, the supporting roller being a double-row roller.

5. The portable universal pipe cutting machine as claimed in claim 1, wherein a wrench joint is respectively provided at both ends of the main frame, and the wrench is fixedly inserted into the wrench joint.

6. The portable universal pipe cutting machine according to claim 1, wherein the connecting ends of the main frame and the connecting chain and the connecting ends of the roller bracket and the connecting chain are respectively hinged with a hook, and the chains at the two ends of the connecting chain are respectively hung on the corresponding hooks.

7. The portable universal pipe cutting machine as claimed in claim 1, wherein the roller bracket is provided with 2 sets of rollers, and the 2 sets of rollers are double rows of rollers.

8. The portable universal pipe cutting machine as claimed in claim 1, wherein a hook is provided at a connecting end of the roller bracket and the adjusting chain, and the chain at a corresponding end of the adjusting chain is hung on the hook; a roller is arranged at the connecting end of the adjusting chain and the tensioning mechanism; a hanging lug is arranged at the connecting end of the main frame and the tensioning mechanism; the tensioning mechanism consists of a first connecting nut, a second connecting nut, a sleeve, a first screw and a second screw; one end of the first screw rod is sleeved on the roller shaft at the corresponding end of the adjusting chain through a shaft sleeve, and the other end of the first screw rod is in threaded fit connection with the first connecting cap; one end of the screw rod II is hinged with a hanging lug on the main rack, the other end of the screw rod II is in threaded fit connection with the connecting cap II, and the connecting cap I and the connecting cap II are in threaded fit connection with the sleeve respectively; the screw thread turning directions of the first connecting cap and the second connecting cap for connecting the sleeve are opposite, and the screw thread turning directions of the first connecting cap and the second connecting cap for connecting the corresponding screw rod or the first screw rod are opposite.