CN113695665B - Pipe side cut equipment that construction used - Google Patents

Abstract

The invention discloses a round pipe trimming device for building construction, which includes a main shaft, wherein a support frame is rotatably arranged in the main shaft, and one end of the main shaft is connected to a motor fixedly connected to the support frame. In the output end; there are many arc-shaped support sheets distributed on the periphery of the support frame, and the support sheets can be supported into the inner wall of the circular tube; the end of the main shaft away from the motor is fixed with a turntable, and the periphery of the turntable is distributed with Multi-slice cutter. Compared with the prior art, the present invention can adjust the opening diameter of the supporting sheet to support it in the inner wall of the circular tube, provide circumferential supporting force, and support stably. Displacement occurs during placement and cutting. When the motor drives the main shaft to rotate, the cutter The circular tube can be cut uniformly and gradually from the inner wall of the circular tube, so that the cutting surface is neat and smooth, the cutting length is easy to control accurately, and the force of the circular tube is uniform during the cutting process to avoid deformation.

Description

A round pipe trimming equipment for building construction

technical field

The invention relates to the technical field of construction engineering equipment, in particular to a round pipe trimming equipment for construction.

Background technique

During the construction of construction projects, there are places where round pipes are needed, such as brackets and pipes, and the corresponding round pipes are often customized in standard lengths. They are cut according to specific needs during erection and splicing. The existing round pipes The cutting method is to cut from the outer surface of the round pipe with the electric saw equipment. The existing electric saw equipment is difficult to align the corresponding cutting position when starting to cut, and it is easy to slide to cause deviation, and when cutting the thinner round pipe, it is necessary to apply pressure It is easy to cause deformation of the round tube and cause shape errors in subsequent joints. For a round tube with a larger diameter, it is necessary to cut a circle from the outer wall, and it is difficult to ensure that the cut is a neat circle.

Therefore, it is necessary to provide a circular pipe edge trimming device for building construction to solve the problems raised in the above-mentioned background technology.

Contents of the invention

In order to achieve the above object, the present invention provides the following technical solution: a round pipe trimming equipment for building construction, including a main shaft, wherein a support frame is rotatably arranged in the main shaft, and one end of the main shaft is connected to In the output end of the motor fixedly connected to the support frame;

There are multiple arc-shaped support pieces distributed around the periphery of the support frame, and the support pieces can be supported into the inner wall of the circular tube;

The end of the main shaft away from the motor is fixed with a turntable, and a plurality of cutting knives are distributed on the outer circumference of the turntable.

Further, as a preference, there are a plurality of support rods that can move radially along the circumference of the support frame, the support piece is fixedly connected to the outward end of the support rod, and the support frame corresponds to the position of each support rod. There are through slots extending radially;

The periphery of the main shaft between the support frame and the motor is covered with an adjustment sleeve, and the periphery of the adjustment sleeve is hinged with a plurality of adjustment links, and the other end of each adjustment link passes through the support frame in a one-to-one manner. Slotted to hinge into the support rod.

Further, as a preference, the adjustment sleeve is connected to the main shaft through a screw sleeve, one end of the screw sleeve is rotatably connected in the support frame, the outer wall of the screw sleeve is provided with threads, and is connected with the adjustment Rotatable nut connection in the sleeve;

Both ends of the screw sleeve are respectively provided with locking components, and the locking components can make the screw sleeve hold the main shaft tightly or loosen.

Further, as a preference, the screw sleeve is connected to the main shaft through a locking clamp, and the locking clamp is composed of two semi-cylinders arranged between the main shaft and the screw sleeve. When the locking clamp is separated, The main shaft and the screw sleeve can rotate with each other, and the main shaft and the screw sleeve are relatively fixed when the locking clips are closed;

The locking clips are controlled to be separated or closed by the locking components at both ends.

Further, preferably, the locking assembly includes an electromagnet, and the two sides of the locking clamp block are respectively provided with an electromagnet and a magnetic conducting block, and the electromagnets of the two locking clamping blocks correspond to the magnetic conducting blocks in the other block. block, when the electromagnet is energized, the two locking clips can be attracted to each other and closed;

A spring embedded in the two locking clips is provided between the two locking clips, and the spring provides a force to separate the two locking clips.

Further, preferably, the inner wall of the screw sleeve is provided with a groove, and the outer wall of the locking clip has a corresponding protrusion, and the groove and the protrusion are fitted together to transmit torque;

There are transmission teeth between the contact surfaces of the locking clamps and the corresponding spindles. When the two locking clamps are separated, the transmission teeth are also separated. When the two locking clamps are closed, the transmission teeth are meshed and can be mutually transmit torque.

Further, as a preference, the cutter is clamped in the gap in the turntable, and the circular end of each cutter near the turntable is rotatably connected with the turntable;

Moreover, a through arc-shaped groove is formed on the side of the turntable close to the main shaft corresponding to the position of each cutter, and each cutter is connected to the arc-shaped groove by a guide pin.

Further, as a preference, a shear adjustment disc is slidably provided at a certain distance on the side of the turntable close to the main shaft, and a plurality of universal connecting rods are evenly distributed on the circumference of the side of the turntable close to the turntable, each The other ends of the universal connecting rods are connected to the guide pins in a one-to-one correspondence.

Further, preferably, a pull plate is rotatably connected to the side of the shear adjustment plate away from the turntable, and the pull plate is connected to the support frame through a servo telescopic rod.

Further, preferably, the shear adjustment disc is connected to the main shaft through a ball spline bearing. Compared with prior art, the beneficial effect of the present invention is:

In the present invention, when the electromagnet is powered off, the elastic force of the spring makes the two locking clips separate, and the main shaft and the screw sleeve can rotate with each other. When the electromagnet is powered on, the adsorption force of the electromagnet makes the two locking clips close together. , the main shaft and the screw sleeve can transmit torque to each other, so that the motor can drive the screw sleeve to rotate;

When the screw sleeve rotates, it can drive the adjustment sleeve to move along the radial direction of the screw sleeve, thereby changing the distance between the adjustment sleeve and the support frame, and by adjusting the connecting rod to pull the support rod to expand and contract, so that the opening of the support piece can be adjusted Diameter, to be supported in the inner wall of the circular tube, providing hoop support force.

In the present invention, the distance between the shear adjustment disc and the turntable can be adjusted through the servo telescopic rod, and the adjustment of the distance between the shear adjustment disc and the turntable can make the universal connecting rod push the guide pin to slide along the arc groove, thereby changing The opening diameter of the cutter, when the motor drives the spindle to rotate, the cutter can gradually and evenly cut the circular tube from the inner wall of the circular tube, so that the cut surface is neat and smooth, the cutting length is easy to control accurately, and the force on the circular tube during the cutting process is uniform to avoid accidents. out of shape.

Description of drawings

Fig. 1 is the structural representation of a kind of round pipe trimming equipment that building construction is used;

Fig. 2 is the structural representation of rotating disk and cutter;

Fig. 3 is the structural representation of universal connecting rod;

Fig. 4 is the structural representation of adjusting sleeve;

Fig. 5 is the cross-sectional structure schematic diagram of screw sleeve;

In the figure: 1. main shaft; 2. motor; 3. support frame; 4. support sheet; 41. support rod; 5. adjustment sleeve; 6. screw sleeve; 8. adjustment connecting rod; 9. turntable; 91. Arc groove; 10, cutter; 101, guide pin; 11, pull plate; 12, shear adjustment plate; 121, ball spline bearing; 13, universal connecting rod; 14, servo telescopic rod; 61, lock Component; 62, locking clip; 63, projection; 64, groove; 65, transmission tooth; 611, electromagnet; 612, magnetic block; 613, spring.

Detailed ways

Please refer to Fig. 1, in the embodiment of the present invention, a kind of circular pipe edge trimming equipment for building construction includes a main shaft 1, a support frame 3 is rotatably arranged in the main shaft 1, and one end of the main shaft 1 is connected to Into the output end of the motor 2 fixedly connected with the support frame 3;

The outer circumference of the support frame 3 is distributed with a plurality of arc-shaped support pieces 4, and the support pieces 4 can be supported into the inner wall of the circular tube;

The end of the main shaft 1 away from the motor 2 is fixed with a turntable 9 , and a plurality of cutting knives 10 are distributed around the outer circumference of the turntable 9 .

Please refer to Fig. 2, in this embodiment, there are a plurality of support rods 41 that can move radially along the circumference of the support frame 3, and the support piece 4 is fixedly connected to the outward end of the support rod 41, and the support The frame 3 is provided with a through groove extending radially corresponding to the position of each support rod 41;

The periphery of the main shaft 1 between the support frame 3 and the motor 2 is provided with an adjustment sleeve 5, and the periphery of the adjustment sleeve 5 is hinged with a plurality of adjustment links 8, and the other end of each adjustment link 8 is one by one. Correspondingly pass through the slot in the support frame 3 and be hinged into the support rod 41 .

In this embodiment, the adjustment sleeve 5 is connected to the main shaft 1 through a screw sleeve 6, one end of the screw sleeve 6 is rotatably connected in the support frame 3, and the outer wall of the screw sleeve 6 is provided with Threaded, and connected with the rotatable nut in the adjustment sleeve 5;

Both ends of the screw sleeve 6 are respectively provided with locking components 61, and the locking components 61 can make the screw sleeve 6 hold the main shaft 1 tightly or loosen;

That is to say, when the screw sleeve 6 rotates, the adjustment sleeve 5 can be driven to move radially along the screw sleeve 6, thereby changing the distance between the adjustment sleeve 5 and the support frame 3, and the support rod is pulled by the adjustment connecting rod 8 41 is telescopic, so that the opening diameter of the support sheet 4 can be adjusted.

Please refer to FIG. 3 , in this embodiment, the screw sleeve 6 is connected to the main shaft 1 through a locking clamp 62 , and the locking clamp 62 is two half cylinders arranged between the main shaft 1 and the screw sleeve 6 Composition, the main shaft 1 and the screw sleeve 6 can rotate mutually when the locking clips 62 are separated, and the main shaft 1 and the screw sleeve 6 are relatively fixed when the locking clips 62 are closed;

The locking clips 62 are controlled to be separated or closed by the locking components 61 at both ends.

In this embodiment, the locking assembly 61 includes an electromagnet 611, and the two sides of the locking clip 62 are respectively provided with an electromagnet 611 and a magnetic conductive block 612, and the electromagnets 611 of the two locking clips 62 correspond to each other. The magnetically conductive block 612 in the other block, when the electromagnet 611 is energized, the two locking clips 62 can be attracted to each other and closed;

A spring 613 embedded in the two locking clips 62 is provided between them, and the spring 613 provides a force to separate the two locking clips 62;

That is to say, when the electromagnet 611 is powered off, the elastic force of the spring 613 makes the two locking clips 62 separate, and the main shaft 1 and the screw sleeve 6 can rotate mutually. When the electromagnet 611 is powered on, the adsorption force of the electromagnet 611 makes When the two locking clips 62 are closed, the main shaft 1 and the screw sleeve 6 can transmit torque to each other, so that the motor 2 can drive the screw sleeve 6 to rotate.

In this embodiment, the inner wall of the screw sleeve 6 is provided with a groove 64, and the outer wall of the locking clip 62 has a corresponding protrusion 63, and the groove 64 and the protrusion 63 are fitted together to be able to transmit torque;

A drive tooth 65 is provided between the contact surfaces of the lock clamps 62 and the corresponding spindle 1. When the two lock clamps 62 are separated, the drive teeth 65 are also separated. When the two lock clamps 62 are closed, The transmission teeth 65 are meshed so as to be able to transmit torque to each other.

Please refer to Fig. 4, in this embodiment, the cutter 10 is clamped in the gap in the turntable 9, and the circular end of each cutter 10 close to the turntable 9 is rotatably connected with the turntable 9;

Moreover, the side of the turntable 9 close to the main shaft 1 is provided with a through arc-shaped groove 91 corresponding to the position of each cutter 10 , and each cutter 10 is connected to the arc-shaped groove 91 through a guide pin 101 .

In this embodiment, a shear adjustment disc 12 is slidably provided at a certain distance on the side of the turntable 9 close to the main shaft 1, and there are a plurality of universal joints evenly distributed on the circumference of the side of the turntable 9 close to the turntable 9. Connecting rods 13, the other end of each universal connecting rod 13 is connected to the guide pins 101 correspondingly;

That is to say, by adjusting the distance between the shear adjustment disc 12 and the turntable 9 , the universal connecting rod 13 can push the guide pin 101 to slide along the arc groove 91 , thereby changing the opening diameter of the cutter 10 .

In this embodiment, the side of the shear adjustment disc 12 away from the turntable 9 is rotatably connected to a pulling disc 11, and the pulling disc 11 is connected to the support frame 3 through a servo telescopic rod 14, through which the servo telescopic rod 14 can Adjust the distance between the shear adjustment disc 12 and the rotating disc 9 .

In this embodiment, the shear adjusting disc 12 is connected to the main shaft 1 through a ball spline bearing 121 , so that the two can slide mutually in the axial direction and transmit torque to each other.

During specific implementation, in the initial state, the support piece 4 and the cutter 10 shrink to the smallest diameter, and the device is put into the corresponding depth in the circular tube. The two locking clips 62 are closed, the main shaft 1 and the screw sleeve 6 can transmit torque to each other, and the motor 2 drives the main shaft 1 to rotate, so that the adjustment sleeve 5 moves in a direction close to the support frame 3 along the radial direction of the screw sleeve 6 , by adjusting the connecting rod 8 to pull the support rod 41 to expand and contract, so that the support sheet 4 can be expanded to support the inner wall of the circular tube;

In the state where the locking clips 62 are loosened, the electromagnet 611 is powered off, and the elastic force of the spring 613 makes the two locking clips 62 separate, and the motor 2 drives the main shaft 1 to rotate, so that the rotary table 9 drives the cutter 10 to rotate, and through The servo telescopic rod 14 drives the diameter of the cutter 10 to gradually increase to cut the circular tube from the inner wall of the circular tube to the circular tube. The specific method is:

The pull plate 11 is pushed by the servo telescopic rod 14, so that the distance between the shear adjustment plate 12 and the turntable 9 is reduced, and the universal connecting rod 13 pushes the guide pin 101 to slide along the arc groove 91, so that the opening diameter of the cutter 10 get bigger.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technology of the present invention Any equivalent replacement or change of the scheme and its inventive concepts shall fall within the protection scope of the present invention.

Claims (6)

1. A round pipe trimming device for building construction, comprising a main shaft (1), characterized in that, a support frame (3) is rotatably provided in the main shaft (1), and the main shaft (1) One end is connected to the output end of the motor (2) fixedly connected to the support frame (3); There are multiple arc-shaped support pieces (4) distributed on the outer circumference of the support frame (3), and the support pieces (4) can be supported into the inner wall of the circular tube; The end of the main shaft (1) away from the motor (2) is fixed with a turntable (9), and a plurality of cutting knives (10) are distributed on the outer circumference of the turntable (9); There are many support rods (41) that can move radially along the circumference of the support frame (3), and the support piece (4) is fixedly connected to the outward end of the support rod (41), and the support frame ( 3) Corresponding to the position of each support rod (41), there is a through groove extending along its radial direction; An adjustment sleeve (5) is provided on the periphery of the main shaft (1) between the support frame (3) and the motor (2), and there are multiple adjustment connecting rods (8) hinged on the periphery of the adjustment sleeve (5). The other end of the adjusting link (8) passes through the slot in the support frame (3) one by one and is hinged to the support rod (41); The adjustment sleeve (5) is connected with the main shaft (1) through a screw sleeve (6), and one end of the screw sleeve (6) is rotatably connected in the support frame (3), and the screw sleeve ( 6) The outer wall is provided with threads, and is connected with the rotatable nut in the adjustment sleeve (5); The two ends of the screw sleeve (6) are respectively provided with locking components (61), and the locking components (61) can make the screw sleeve (6) hold the main shaft (1) tightly or loosen; The cutter (10) is clamped in the gap in the turntable (9), and the circular end of each cutter (10) close to the turntable (9) is rotatably connected with the turntable (9); And, the side close to the spindle (1) in the turntable (9) is provided with a through arc-shaped groove (91) corresponding to the position of each cutter (10), and each cutter (10) passes through the guide pin ( 101) connected to the arc groove (91); A shear adjustment disc (12) is slidably provided at a certain distance from the side of the turntable (9) close to the main shaft (1), and the circumference of the side of the turntable (12) close to the turntable (9) is evenly distributed There are multiple universal connecting rods (13), and the other end of each universal connecting rod (13) is connected to the guide pins (101) in one-to-one correspondence. 2. A round pipe trimming device for building construction according to claim 1, characterized in that, the screw sleeve (6) is connected to the main shaft (1) through a locking clamp (62), and the The lock clamp (62) is composed of two semi-cylinders arranged between the main shaft (1) and the screw sleeve (6). When the lock clamp (62) is separated, the main shaft (1) and the screw sleeve (6) ) can rotate mutually, and the main shaft (1) and the screw sleeve (6) are relatively fixed when the locking clips (62) are closed; The locking clips (62) are controlled to be separated or closed by the locking components (61) at both ends. 3. A round pipe trimming device for building construction according to claim 2, characterized in that, the locking assembly (61) includes an electromagnet (611), and the locking clamp (62) has two Electromagnet (611) and magnetic conduction block (612) are respectively provided on the side, and the electromagnet (611) of two locking clips (62) corresponds to the magnetic conduction block (612) in the other piece, and described electromagnet ( 611) When energized, the two locking clips (62) can be attracted to each other and closed; A spring (613) embedded in the two locking clips (62) is provided between the two, and the spring (613) provides a force to separate the two locking clips (62). 4. A round pipe trimming device for building construction according to claim 2, characterized in that, the inner wall of the screw sleeve (6) is provided with a groove (64), and the locking clamp (62 ) the outer wall has a corresponding protrusion (63), and the groove (64) and the protrusion (63) are mutually fitted to transmit torque; There are transmission teeth (65) respectively provided between the contact surfaces of the locking clamps (62) and the corresponding positions of the main shaft (1), and when the two locking clamps (62) are separated, the transmission teeth (65) are also separated, When the two locking clips (62) are closed, the transmission teeth (65) are meshed so as to be able to transmit torque to each other. 5. The round pipe edge trimming equipment for building construction according to claim 1, characterized in that, the side of the shear adjustment disc (12) away from the turntable (9) is rotatably connected with a pulling disc (11 ), the pull plate (11) is connected with the support frame (3) through the servo telescopic rod (14). 6. The round pipe edge trimming device for building construction according to claim 1, characterized in that, the shear adjustment disc (12) is connected to the main shaft (1) through a ball spline bearing (121).

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