CN219632711U

CN219632711U - Pipe cutting machine

Info

Publication number: CN219632711U
Application number: CN202320172197.1U
Authority: CN
Inventors: 周礼轩; 樊龙; 娄昊; 肖云天; 郁伟杰
Original assignee: Shanghai First Construction Installation Engineering Co ltd
Current assignee: Shanghai First Construction Installation Engineering Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-09-05
Anticipated expiration: 2033-02-01

Abstract

The utility model discloses a pipe cutting machine, which belongs to the technical field of cutting and comprises a machine body shell, wherein a motor is fixedly arranged on the top end of the shell, a rotating shaft is arranged on the upper rotation of the shell, a cutting blade is fixedly arranged at the output end of the rotating shaft, a transmission mechanism for driving the cutting blade to rotate is arranged between the cutting blade and the motor, two support plates are fixedly arranged at the bottom of the shell, a threaded rod is rotatably arranged between the two support plates, a pipeline to be processed is firstly placed on a support frame on the output end of a cylinder when in use, the distance between the two limiting frames is adjusted by the threaded rod in rotation, so that a clamping plate can clamp the pipeline, the motor is started to drive the cutting blade to rotate through a belt, the pipeline is cut, and cooling liquid in a liquid storage tank is sprayed out through a spray head in the cutting process and irrigated on the surface of the cutting blade, so that the temperature of the cutting blade is ensured to be in a stable interval.

Description

Pipe cutting machine

Technical Field

The utility model belongs to the technical field of cutting, and particularly relates to a pipe cutting machine.

Background

At present, most of cutting operations of pipes, particularly stainless steel pipes, are finished through a grinding wheel saw, although the cutting speed is high, the cutting precision is low, sparks are large during cutting, and the cutting quality is poor, so that the grinding wheel saw can only meet the requirements of pipe cutting with low requirements on cutting precision, but cannot meet the application of occasions with high requirements on cutting quality.

According to the authorized bulletin number CN212947154U, a pipe cutting machine is disclosed, which relates to the field of pipe cutting equipment, and comprises a workbench and a cutting machine arranged on the workbench, wherein the cutting machine comprises a shell and a grinding wheel fixed on the shell; the workbench is additionally provided with a positioning device, and the positioning device comprises a frame fixed on one side of the workbench, a guide rail which is fixed on the frame and is perpendicular to the grinding wheel, and a positioning block which is sleeved outside the guide rail and is in sliding fit along the guide rail; the positioning block is connected with the guide rail through a locking piece, and the frame is positioned on one side of the workbench parallel to the grinding wheel. The utility model has the advantage of improving the precision of cutting the pipe, and publication No. CN209504281U discloses a cutting knife mechanism of a pipe cutting machine, and the lifting and lowering of a guide shaft can be realized by adjusting the distance between a first adjusting sleeve and a second adjusting sleeve, so that the optimal cutting knife height is ensured.

When the pipe cutting machine is used for cutting a pipeline, the cutting blade rubs with the pipeline for a long time, and the main reason that the cutter generates thermal cracks is that 1, when the temperature of a heat source is low, the maximum thermal tensile stress, the maximum thermal shearing stress and the thermal shock act, so that microscopic cracks in the cutter are expanded to a street-like state in a substreet manner to cause fatigue, and macroscopic cracks are formed.

2. When the temperature of the heat source is higher, on one hand, fatigue cracks are generated due to the maximum tensile stress, the maximum shearing stress and the thermal shock, so that the temperature of the blade is rapidly increased, and the situation that the blade body is broken during cutting possibly occurs due to the lack of cooling measures.

For this purpose, we propose a pipe cutter to solve the above problems.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, the temperature of a blade is rapidly increased due to long-time friction between a cutting blade and a pipeline when a common pipe cutter cuts the pipeline, and the blade body is broken when the cutting blade is lack of cooling measures.

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

the utility model provides a pipe cutting machine, includes the fuselage shell, fixedly is provided with the motor on the shell top, the last rotation of shell sets up the pivot, the fixed cutting blade that is provided with of output of pivot, be equipped with drive cutting blade pivoted drive mechanism between cutting blade and the motor, fixedly is provided with two backup pads on the bottom of shell, two rotate between the backup pad and be provided with a threaded rod, the last slip of threaded rod is provided with the spacing, fixedly on the spacing is provided with clamping device, fixedly on the top of shell is provided with the liquid reserve tank, fixedly on the shell is provided with the shower nozzle, be connected through the water pipe between liquid reserve tank and the shower nozzle.

Preferably, the transmission mechanism comprises a belt pulley fixedly arranged on the rotating shaft and the motor, and the two belt pulleys are in transmission connection through a belt.

Through setting up two belt pulleys in motor and pivot, the belt pulley of fixing on the motor output when having realized the start-up motor rotates to drive pivot epaxial belt pulley through the belt and rotate, thereby drive the pivot and rotate.

Preferably, two sections of threads are fixedly arranged on the threaded rod, and the rotation directions of the two sections of threads are opposite.

Through setting up two sections screw threads on the threaded rod, realized that two spacing of threaded connection on the threaded rod move in opposite directions when rotating the threaded rod.

Preferably, the threaded rod is fixedly provided with a hand wheel, and the outer surface of the hand wheel is fixedly provided with an anti-slip layer.

Through the hand wheel of setting on the threaded rod, realized rotating the hand wheel and can drive the threaded rod rotation for operating means is more simple convenient.

Preferably, a guide rod is fixedly arranged between the two support plates, and the guide rod and the threaded rod are horizontally arranged.

Through the guide bar that sets up between two backup pads, realized when the locating part is moving, the guide bar can play certain spacing effect, guarantees that the locating part can not take place the position deflection at the removal in-process.

Preferably, the clamping device comprises an electric telescopic rod fixedly arranged on the limiting frame, and a clamping plate is fixedly arranged on the output end of the electric telescopic rod.

Through the electric telescopic rod arranged on the limiting frame, the expansion and contraction of the electric telescopic rod in the cutting process is realized, and the cutting blade can completely cut off the pipeline to be cut.

Preferably, the clamping plate is in an arc shape, and the clamping surface of the clamping plate is in a rough shape.

Through the grip block of setting on electric telescopic handle to set up the grip block into the arc setting, realized at centre gripping pipeline in-process, increase with the area of contact on pipeline surface, make the centre gripping more firm, avoid taking place the condition of shake to appear at the cutting in-process.

Preferably, a cylinder is fixedly arranged on the bottom plate of the shell, and a supporting frame for supporting the pipe is fixedly arranged on the output end of the cylinder.

Through the cylinder of setting in device shell bottom, realized when placing the pipeline, the effect of supporting frame on the cylinder output support the pipeline earlier is in the position of adjusting the spacing through rotating the threaded rod to realize fixing to the pipeline.

In summary, the technical effects and advantages of the present utility model are: this pipe cutting machine through the support frame of setting on the shell bottom plate for place the pipeline of waiting to handle processing earlier on the support frame on the cylinder output when using, the distance between two spacing is adjusted to the threaded rod that rotates, make the grip block can hold the pipeline, starter motor makes the motor drive cutting blade through the belt and rotates, cuts the pipeline, and coolant liquid in the liquid reserve tank sprays out through the shower nozzle in the cutting process, and the watering is on cutting blade's surface, guarantees that cutting blade's temperature is in a stable interval.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the structure of the present utility model;

FIG. 3 is a schematic view of a structural part of the present utility model;

fig. 4 is a schematic view of a threaded rod according to the present utility model.

In the figure: 1. a housing; 2. a motor; 3. a rotating shaft; 4. a cutting blade; 5. a support plate; 6. a threaded rod; 7. a limiting frame; 8. a clamping device; 9. a liquid storage tank; 10. a spray head; 11. a belt pulley; 12. a belt; 13. a hand wheel; 14. a guide rod; 15. an electric telescopic rod; 16. a clamping plate; 17. and (3) a cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1, a pipe cutter comprises a machine body shell 1, wherein a motor 2 is fixedly arranged on the top end of the shell 1, a rotating shaft 3 is arranged on the upper rotation of the shell 1, a cutting blade 4 is fixedly arranged at the output end of the rotating shaft 3, and a transmission mechanism for driving the cutting blade 4 to rotate is arranged between the cutting blade 4 and the motor 2.

Referring to fig. 1 to 3, the transmission mechanism comprises a belt pulley 11 fixedly arranged on the rotating shaft 3 and the motor 2, the two belt pulleys 11 are in transmission connection through a belt 12, the belt pulley 11 fixed on the output end of the motor 2 rotates when the motor 2 is started through the transmission mechanism arranged between the motor 2 and the cutting blade 4, and the other belt pulley 11 fixed on the rotating shaft 3 is in transmission connection with the belt pulley 11 on the output end of the motor 2 through the belt 12, so that the rotating speed of the cutting blade 4 can be controlled by controlling the rotating speed of the motor 2.

Two support plates 5 are fixedly arranged at the bottom of the shell 1, a threaded rod 6 is rotatably arranged between the two support plates 5, and two limiting frames 7 are connected to the threaded rod 6 in a threaded manner.

Referring to fig. 2-4, two sections of threads are fixedly arranged on the threaded rod 6, the rotation directions of the two sections of threads are opposite, and two limiting frames 7 which are in threaded connection with the threaded rod 6 can move in opposite directions when the threaded rod 6 is rotated through the threads with opposite rotation directions on the threaded rod 6, so that a pipeline is clamped.

Referring to fig. 2-4, the hand wheel 13 is fixedly arranged on the threaded rod 6, a layer of anti-slip layer is fixedly arranged on the outer surface of the hand wheel 13, and the purpose that a worker can adjust the rotation of the threaded rod 6 by rotating the hand wheel 13 in the use process is achieved, so that the device is simple and convenient.

Referring to fig. 1, a guide rod 14 is fixedly arranged between the support plates 5, the guide rod 14 and the threaded rod 6 are horizontally arranged, the guide rod 14 is slidably connected with the limiting frame 7, and the situation that the limiting frame 7 deflects in position in the moving process, so that the pipeline is clamped, the cutting position is misplaced is avoided through the guide rod 14 arranged between the two support plates 5.

And the two limiting frames 7 are fixedly provided with clamping devices 8.

Referring to fig. 1 to 3, the clamping device 8 comprises an electric telescopic rod 15 fixedly arranged on the limiting frame 7, a clamping plate 16 is fixedly arranged on the output end of the electric telescopic rod 15, and when the pipe is cut after being fixed, the height of the pipe is changed through the electric telescopic rod 15 to cut through the electric telescopic rod 15 and the clamping plate 16 fixed on the limiting frame 7.

Referring to fig. 3, the clamping plate 16 is arranged in an arc shape, and the clamping surface of the clamping plate 16 is arranged in a rough shape, so that the clamping surface of the clamping plate 16 is arranged in an arc shape to increase the contact area with the pipeline, and the pipeline is clamped more firmly.

The top of shell 1 is fixed and is provided with liquid reserve tank 9, and the fixed shower nozzle 10 that is provided with on the shell 1 is connected through the water pipe between liquid reserve tank 9 and the shower nozzle 10, and at cutting blade 4 cutting in-process, open the valve on the liquid reserve tank 9, the coolant liquid can spray out from shower nozzle 10 and keep the cooling to cutting blade 4, avoids cutting blade 4 to produce the damage because of long-time high temperature.

Referring to fig. 1 to 3, an air cylinder 17 is fixedly provided on a bottom plate of the housing 1, a support frame for supporting a pipe is fixedly provided on an output end of the air cylinder 17, and the support frame can always maintain a function of supporting a pipe during processing by the air cylinder 17 provided on the bottom plate of the housing 1 and the support frame fixed on the air cylinder 17.

Working principle:

when the device is used, the device is placed and fixed at a proper position, then a pipeline to be processed is placed on a support frame on the output end of the air cylinder 17, the distance between the two limiting frames 7 is adjusted by rotating the threaded rod 6 through the hand wheel 13, the clamping plate 16 can clamp the pipeline, the starting motor 2 rotates the belt pulley 11 fixed on the output end of the motor 2, the rotating shaft 3 is driven by the belt 12 to rotate so that the cutting blade 4 rotates to cut the pipeline, and the cooling liquid in the liquid storage tank 9 is sprayed out through the spray head 10 in the cutting process and irrigated on the surface of the cutting blade 4, so that the temperature of the cutting blade 4 is ensured to be in a stable interval, and damage can not occur.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a pipe cutting machine, includes fuselage shell (1), its characterized in that, fixedly on shell (1) top is provided with motor (2), the last rotation of shell (1) sets up pivot (3), the fixed cutting blade (4) that are provided with of output of pivot (3), be equipped with drive cutting blade (4) pivoted drive mechanism between cutting blade (4) and motor (2), fixedly on the bottom of shell (1) be provided with two backup pads (5), two rotate between backup pad (5) and be provided with a threaded rod (6), threaded rod (6) go up threaded connection has two spacing (7), and two all be provided with clamping device (8) on spacing (7), fixedly on the top of shell (1) be provided with liquid reserve tank (9), fixedly on shell (1) be provided with shower nozzle (10), be connected through the water pipe between liquid reserve tank (9) and shower nozzle (10).

2. A pipe cutter as claimed in claim 1, wherein the transmission mechanism comprises pulleys (11) fixedly arranged on the rotary shaft (3) and the motor (2), and the two pulleys (11) are in transmission connection through a belt (12).

3. A pipe cutter as claimed in claim 1, characterised in that the threaded rod (6) is fixedly provided with two thread segments, and in that the rotation directions of the thread segments are opposite.

4. A pipe cutter according to claim 3, characterized in that a hand wheel (13) is fixedly arranged on the threaded rod (6), and an anti-slip layer is fixedly arranged on the outer surface of the hand wheel (13).

5. A pipe cutter according to claim 1, characterized in that a guide bar (14) is fixedly arranged between the two support plates (5), and that the guide bar (14) is arranged horizontally with the height of the threaded rod (6).

6. A pipe cutter according to claim 1, characterized in that the clamping device (8) comprises an electric telescopic rod (15) fixedly arranged on the limiting frame (7), and a clamping plate (16) is fixedly arranged on the output end of the electric telescopic rod (15).

7. A pipe cutter as claimed in claim 6, wherein the clamping plates (16) are arranged in an arc shape and the clamping surfaces of the clamping plates (16) are arranged in a roughened manner.

8. A pipe cutter according to claim 1, characterized in that the bottom plate of the housing (1) is fixedly provided with a cylinder (17), and the output end of the cylinder (17) is fixedly provided with a supporting frame for supporting a pipe.