CN111469192A - Circular tube cutting machine - Google Patents

Abstract

The invention discloses a round pipe cutting machine, comprising a frame, an adjusting frame and a cutting mechanism; the cutting mechanism comprises a first support plate and a second support plate, the first support plate is provided with a first rotating shaft, and the middle of the first rotating shaft is provided with a first rotating shaft A through hole, the first rotating shaft is connected with a motor through a transmission chain, one end of the first rotating shaft is fixedly connected with a support block along its circumference array, the support block is slidably connected with a cutting tool, and one end of the cutting tool is provided with a first rack, supporting A gear is rotatably connected to the block, a first guide rod is fixedly connected between the first support plate and the second support plate, a sliding plate is slidably connected to the first guide rod, and a second rotating shaft is rotatably connected to the middle of the sliding plate, and the middle of the second rotating shaft is set. There is a second through hole, a second rack is fixedly connected to the second shaft, a first cylinder is arranged on the second support plate, a clamping device is arranged on the first support plate and the second support plate; control box. The invention has the advantages of fast cutting, low noise, little dust generation, strong applicability, safety and convenience.

Description

Round tube cutting machine

technical field

The invention relates to the technical field of round pipe processing, in particular to a round pipe cutting machine.

Background technique

Plastic pipes have the characteristics of light weight, sanitation and safety, low water flow resistance, energy saving, metal saving, improvement of living environment, long service life, safety and convenience, etc., and are favored by the pipeline engineering industry. To cut the required length, the existing plastic pipe cutting machines generally use slicing for cutting, which has a large working noise and causes a lot of dust. Each cutting machine can only cut pipes of a certain size, which has poor applicability.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the defects of the above technology and provide a circular pipe cutting machine.

In order to solve the above technical problems, the technical solution provided by the present invention is a circular pipe cutting machine: comprising a frame, an adjustment frame slidably connected to the frame, and a cutting mechanism fixed on the upper part of the adjustment frame; the cutting mechanism includes a frame fixed to the adjustment frame. The first support plate and the second support plate are connected together, the first support plate is U-shaped, the middle part of the first support plate is rotatably connected with a first rotating shaft, and the middle part of the first rotating shaft is provided with a first through hole, The end of the first rotating shaft away from the second support plate is connected with a motor through a transmission chain, the rotating shaft of the motor is connected with the first rotating shaft through the transmission chain, the motor body is fixedly connected with the adjustment frame, and the other side of the first rotating shaft is connected. One end is fixedly connected with a support block along its circumferential array, the support block is slidably connected with a cutting tool, the end of the cutting tool away from the cutter head is provided with a first rack, and the support block is rotatably connected with the first rack A first guide rod is fixedly connected between the first support plate and the second support plate, a slide plate is slidably connected to the first guide rod, and a second shaft is rotatably connected to the middle of the slide plate, and the A second through hole is formed in the middle of the second rotating shaft, a second rack meshing with the gear is fixedly connected to the end of the second rotating shaft near the first support plate, the second support plate is provided with a first cylinder, the The cylinder body of the first cylinder is fixedly connected with the second support plate, the rod body of the first cylinder is fixedly connected with the slide plate, and the opposite outer sides of the first support plate and the second support plate are provided with clamping devices; the frame There is a control box to control the operation of the cutting machine.

As an improvement, the clamping device comprises a symmetrically arranged fixing plate, a second guide rod fixedly connected between the fixing plates, an upper clamping block and a lower clamping block slidingly connected with the second guide rod, and a clamping block arranged on the fixing plate. The second cylinder and the third cylinder The cylinder body of the second cylinder is fixedly connected to the fixing plate, the rod body of the second cylinder is fixedly connected to the upper clamping block, and the cylinder body of the third cylinder is fixedly connected to the fixing plate, so The rod body of the third cylinder is fixedly connected with the lower clamping block, and the opposite inner sides of the upper clamping block and the lower clamping block are provided with mutually matched semicircular grooves.

As an improvement, the extending direction of the cutting tool passes through the axis of the first rotating shaft.

As an improvement, the adjustment frame is slidably connected to the frame through the guide rail slider mechanism, the frame is provided with a fourth air cylinder, the cylinder body of the fourth air cylinder is fixedly connected to the frame, and the rod body of the fourth air cylinder is Attached to the adjustment bracket.

As an improvement, the two ends of the frame are provided with roller frames.

As an improvement, there are three supporting blocks in total, and three corresponding cutting knives in total.

As an improvement, a buffer device is provided between the first rotating shaft and the second rotating shaft, and the buffer device includes a buffer rod fixedly connected with the first rotating shaft, a buffer spring sleeved on the buffer rod, and a buffer fixed with the second rotating shaft. The buffer sleeve is slidingly connected with the buffer rod and the buffer sleeve.

Compared with the prior art, the present invention has the advantages that: the present invention cuts plastic pipes quickly, adopts a cutting tool to cut, has low noise, generates less dust, can clamp and cut plastic pipes of various specifications, has strong applicability and is safe to operate convenient.

Description of drawings

FIG. 1 is a schematic diagram 1 of the structure of the circular tube cutting machine of the present invention.

FIG. 2 is a schematic view 2 of the structure of the circular tube cutting machine of the present invention.

FIG. 3 is a schematic diagram 3 of the structure of the circular pipe cutting machine of the present invention.

FIG. 4 is a schematic diagram 4 of the structure of the circular tube cutting machine of the present invention.

FIG. 5 is an enlarged view of part A of FIG. 1 .

FIG. 6 is an enlarged view of part B of FIG. 2 .

As shown in the picture: 1. Frame, 2. Adjusting frame, 3. First support plate, 4. Second support plate, 5. First shaft, 6. Transmission chain, 7. Motor, 8, Support block, 9 , cutting tool, 10, first rack, 11, gear, 12, first guide rod, 13, slide plate, 14, second shaft, 15, second through hole, 16, second rack, 17, first Cylinder, 18, Control box, 19, Fixing plate, 20, Second guide rod, 21, Upper clamping block, 22, Lower clamping block, 23, Second cylinder, 24, Third cylinder, 25, Fourth cylinder, 26 , Roller frame, 27, buffer device, 28, first through hole.

Detailed ways

The circular pipe cutting machine of the present invention will be further described in detail below with reference to the accompanying drawings.

1-6, the circular pipe cutting machine includes a frame 1, an adjustment frame 2 slidably connected with the frame 1, and a cutting mechanism fixed on the upper part of the adjustment frame 2; the cutting mechanism includes a fixed connection with the adjustment frame 2 The first support plate 3 and the second support plate 4, the first support plate 3 is U-shaped, the middle part of the first support plate 3 is rotatably connected with a first rotating shaft 5, and the middle part of the first rotating shaft 5 is provided with The first through hole 28, the end of the first rotating shaft 5 away from the second support plate 4 is connected with a motor 7 through a transmission chain 6, and the rotating shaft of the electric motor 7 is connected with the first rotating shaft 5 through the transmission chain 6, and the electric motor 7 The main body is fixedly connected with the adjusting frame 2, and the other end of the first rotating shaft 5 is fixedly connected with a support block 8 along its circumferential array. A first rack 10 is provided, a gear 11 meshing with the first rack 10 is rotatably connected to the support block 8, and a first guide rod is fixedly connected between the first support plate 3 and the second support plate 4 12. A sliding plate 13 is slidably connected to the first guide rod 12, a second rotating shaft 14 is rotatably connected to the middle of the sliding plate 13, a second through hole 15 is provided in the middle of the second rotating shaft 14, and the second rotating shaft 14 A second rack 16 that meshes with the gear 11 is fixedly connected to the end near the first support plate 3. The second support plate 4 is provided with a first cylinder 17, and the cylinder body of the first cylinder 17 is connected to the second support. The plate 4 is fixedly connected, the rod body of the first air cylinder 17 is fixedly connected with the slide plate 13, the opposite outer sides of the first support plate 3 and the second support plate 4 are provided with clamping devices; Control box 18 for the operation of the cutting machine.

The clamping device includes symmetrically arranged fixed plates 19 , a second guide rod 20 fixedly connected between the fixed plates 19 , an upper clamping block 21 and a lower clamping block 22 slidably connected with the second guide rod 20 . The second cylinder 23 and the third cylinder 24 on the plate 19 The cylinder body of the second cylinder 23 is fixedly connected to the fixing plate 19, the rod body of the second cylinder 23 is fixedly connected to the upper clamping block 21, and the third cylinder The cylinder body of 24 is fixedly connected with the fixing plate 19, the rod body of the third cylinder 24 is fixedly connected with the lower clamping block 22, and the opposite inner sides of the upper clamping block 21 and the lower clamping block 22 are provided with semicircular recesses that cooperate with each other. groove.

The extending direction of the cutting tool 9 passes through the axis of the first rotating shaft 5 .

The adjusting frame 2 is slidably connected to the frame 1 through the guide rail slider mechanism. The rod body of the cylinder 25 is fixedly connected with the adjusting frame 2 .

Both ends of the frame 1 are provided with roller frames 26 .

There are three supporting blocks 8 in total, and three corresponding cutting knives 9 in total.

A buffer device 27 is provided between the first rotating shaft 5 and the second rotating shaft 14 , and the buffer device 27 includes a buffer rod fixedly connected with the first rotating shaft 5 , a buffer spring sleeved on the buffer rod, and a buffer rod connected to the second rotating shaft 14 . The buffer sleeve is fixedly connected, and the buffer rod is slidably connected with the buffer sleeve.

In the specific implementation of the present invention, the plastic pipe is inserted from the first through hole 28 and the second through hole 15, the roller frame 26 initially supports the plastic pipe, and the position where the plastic pipe is to be cut is placed at the cutting tool 9 as required. , Activate the second air cylinder 23 and the third air cylinder 24, make the rods of the second air cylinder 23 and the third air cylinder 24 stretch out, push the upper clamp block 21 and the lower clamp block 22 to move towards each other, clamp the plastic pipe, and activate the first air cylinder 17. Extend the rod body of the first air cylinder 17, push the slide plate 13 to slide toward the first support plate 3, the second rack 16 drives the gear 11 to rotate, and the gear 11 drives the first rack 10 to move toward the axis of the first shaft 5 , make the cutter head of the cutting tool 9 contact and squeeze the plastic pipe, start the motor 7, the motor 7 rotates and drives the first shaft 5 to rotate, and drives the cutting tool 9 to move in a circular motion, so as to realize the circular cutting of the plastic pipe, when the cutting is completed, Turn off the motor 7, start the first cylinder 17, make the rod body of the first cylinder 17 shrink, start the second cylinder 23 and the third cylinder 24, make the rod bodies of the second cylinder 23 and the third cylinder 24 shrink, and pull the upper clamping block 21, The lower clamping block 22 moves in the opposite direction to loosen and take out the plastic pipe to prepare for the next feeding and cutting. The buffer device 27 can play a buffering and protective role during the movement of the slide plate 13. By activating the fourth air cylinder 25, the adjusting frame 2 can be driven relative to each other. The frame 1 slides so that the cutting mechanism is located at different positions of the frame 1, which is convenient for clamping plastic pipes of different lengths and meets more requirements.

The invention cuts the plastic pipes quickly, adopts the cutting tool to cut, has low noise, generates little dust, can clamp and cut plastic pipes of various specifications, has strong applicability, and is safe and convenient to operate.

The present invention and its embodiments have been described above, and the description is not restrictive, and what is shown in the accompanying drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it, and without departing from the purpose of the present invention, any structural modes and embodiments similar to this technical solution are designed without creativity, all should belong to the protection scope of the present invention.

Claims (7)

1. Pipe cutting machine, its characterized in that: comprises a frame (1), an adjusting frame (2) connected with the frame (1) in a sliding way, and a cutting mechanism fixedly connected above the adjusting frame (2);

the cutting mechanism comprises a first supporting plate (3) and a second supporting plate (4) which are fixedly connected with an adjusting frame (2), the first supporting plate (3) is U-shaped, the middle part of the first supporting plate (3) is rotatably connected with a first rotating shaft (5), a first through hole (28) is formed in the middle part of the first rotating shaft (5), the end, far away from the second supporting plate (4), of the first rotating shaft (5) is connected with a motor (7) through a transmission chain (6), the rotating shaft of the motor (7) is connected with the first rotating shaft (5) through the transmission chain (6), the body of the motor (7) is fixedly connected with the adjusting frame (2), the other end of the first rotating shaft (5) is fixedly connected with supporting blocks (8) along the circumferential array of the other end, the supporting blocks (8) are slidably connected with cutting tools (9), the end, far away from the cutting tools (9), is provided with a first rack (10, the supporting block (8) is rotatably connected with a gear (11) meshed with the first rack (10), a first guide rod (12) is fixedly connected between the first supporting plate (3) and the second supporting plate (4), the first guide rod (12) is connected with a sliding plate (13) in a sliding way, the middle part of the sliding plate (13) is rotationally connected with a second rotating shaft (14), a second through hole (15) is arranged in the middle of the second rotating shaft (14), a second rack (16) meshed with the gear (11) is fixedly connected to the end, close to the first supporting plate (3), of the second rotating shaft (14), a first air cylinder (17) is arranged on the second supporting plate (4), the cylinder body of the first air cylinder (17) is fixedly connected with the second supporting plate (4), the rod body of the first cylinder (17) is fixedly connected with the sliding plate (13), and clamping devices are arranged on the opposite outer sides of the first supporting plate (3) and the second supporting plate (4);

and a control box (18) for controlling the operation of the cutting machine is arranged on the frame (1).

2. The round pipe cutting machine according to claim 1, characterized in that: the clamping device comprises a fixing plate (19) which is symmetrically arranged, a second guide rod (20) fixedly connected between the fixing plate (19), an upper clamping block (21) which is connected with the second guide rod (20) in a sliding manner, a lower clamping block (22), a second cylinder (23) and a third cylinder (24) which are arranged on the fixing plate (19), wherein the cylinder body of the second cylinder (23) is fixedly connected with the fixing plate (19), the rod body of the second cylinder (23) is fixedly connected with the upper clamping block (21), the cylinder body of the third cylinder (24) is fixedly connected with the fixing plate (19), the rod body of the third cylinder (24) is fixedly connected with the lower clamping block (22), and the relative inner sides of the upper clamping block (21) and the lower clamping block (22) are provided with semicircular grooves matched with each other.

3. The round pipe cutting machine according to claim 1, characterized in that: the extending direction of the cutting tool (9) passes through the axle center of the first rotating shaft (5).

4. The round pipe cutting machine according to claim 1, characterized in that: the adjusting frame (2) is connected with the rack (1) in a sliding mode through a guide rail sliding block mechanism, a fourth cylinder (25) is arranged on the rack (1), a cylinder body of the fourth cylinder (25) is fixedly connected with the rack (1), and a rod body of the fourth cylinder (25) is fixedly connected with the adjusting frame (2).

5. The round pipe cutting machine according to claim 1, characterized in that: and roller frames (26) are arranged at two ends of the frame (1).

6. The round pipe cutting machine according to claim 1, characterized in that: the number of the supporting blocks (8) is 3, and the number of the corresponding cutting tools (9) is 3.

7. The round pipe cutting machine according to claim 1, characterized in that: be equipped with buffer (27) between first pivot (5), second pivot (14), buffer (27) include the buffer beam that links firmly with first pivot (5), the buffer spring of cover on the buffer beam, the cushion collar that links firmly with second pivot (14), buffer beam and cushion collar sliding connection.

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