Heating and ventilation pipeline cutting device for building heating and ventilation engineering

Abstract

The utility model provides a heating and ventilation pipeline cutting device for building heating and ventilation engineering, which relates to the technical field of building heating and ventilation engineering equipment and comprises a rack, a rotating pipe is arranged on the inner side of the rack, gear rings are mounted at two ends of the rotating pipe, a lower cross rod and an upper cross rod are respectively arranged right below and right above the gear rings, and two lower guide gears are mounted on the lower cross rod; one end of the upper cross rod is fixedly connected with the rack, the other end of the upper cross rod is provided with an upper guide gear, and the lower guide gear and the upper guide gear are meshed with the gear ring; a lead screw adjusting mechanism is installed on the rotating pipe, an electric telescopic rod is installed at the top of the rack, a splash-proof outer cover is installed at the bottom end of the electric telescopic rod, and a receiving hopper is installed at the bottom of the rack. Through the arrangement of the rotating pipe, the guide gear, the clamping plate and the lead screw adjusting mechanism, annular cutting can be conveniently conducted on the heating and ventilation pipeline, the automation degree is higher, and more time and labor are saved during cutting; and the splash-proof outer cover can block flying chips generated by cutting of the cutting wheel, and the cleaning difficulty of personnel is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of building HVAC engineering equipment, in particular to a HVAC pipeline cutting device for building HVAC engineering. Background Art

[0002] When using HVAC pipes, they need to be cut according to the needs of use in order to adjust the length of the pipes. However, the traditional HVAC pipe cutting device has the following shortcomings:

[0003] During use, traditional HVAC pipe cutting devices often require manual rotation of the HVAC pipe to adapt to the cutting needs of the cutting machine, or personnel holding the cutting machine to cut around the pipe. The above two operation processes are not only time-consuming and labor-intensive, but also easily cause personal injury. The operation is extremely inconvenient and the cutting efficiency is low.

[0004] Traditional HVAC pipe cutting devices will fly out metal debris during cutting. The flying metal debris can easily injure the skin of people around, and the scattered metal debris is inconvenient to clean up, which increases the labor intensity of cleaning staff.

[0005] How to solve the above technical problems is the subject faced by the present utility model. Utility Model Content

[0006] In order to solve the deficiencies of the prior art, the utility model provides a HVAC pipe cutting device for building HVAC engineering, which has a reasonable design, a simple structure, and is safe and reliable.

[0007] The technical solution adopted by the utility model to solve its technical problems is as follows: the utility model provides a HVAC pipe cutting device for building HVAC engineering, comprising a frame, a rotating pipe, a screw rod adjustment mechanism, a cutting wheel, a splash-proof cover and a collecting hopper, a rotating pipe is arranged on the inner side of the frame, two ends of the rotating pipe are equipped with gear rings, a lower cross bar and an upper cross bar are respectively arranged directly below and directly above the gear ring, two ends of the lower cross bar are fixedly connected to the frame, two lower guide gears are arranged on the lower cross bar, one end of the upper cross bar is fixedly connected to the frame, an upper guide gear is arranged on the other end of the upper cross bar, the lower guide gear and the upper guide gear are both meshed with the gear ring, a screw rod adjustment mechanism is arranged on the rotating pipe, a clamping plate is arranged at the bottom end of the screw rod adjustment mechanism, a clamping groove is arranged in the rotating pipe, an electric telescopic rod is arranged on the top of the frame, a splash-proof cover is arranged at the bottom end of the electric telescopic rod, a cutting motor is arranged on the splash-proof cover, a cutting wheel is arranged at the rotating shaft end of the cutting motor, and a collecting hopper is arranged at the bottom of the frame.

[0008] As a further solution of the utility model: the screw adjustment mechanism includes a screw nut, a screw, a screw bearing and a screw handle. The screw nut is embedded in the rotating tube, the middle thread of the screw nut is connected with a screw, the bottom end of the screw is rotatably connected to the screw bearing installed on the splint, and the top end of the screw is installed with a screw handle.

[0009] As a further solution of the utility model: the lower guide gear and the upper guide gear are respectively distributed on both sides of the bottom and both sides of the top of the gear rings at the front and rear ends.

[0010] As a further solution of the utility model: the lower guide gear axle located at one side of the bottom of the gear ring at the rear end of the rotating tube is directly connected to the rotating shaft of the rotating motor installed in the frame.

[0011] As a further solution of the utility model: switches are installed on the rotating motor, the cutting motor and the electric telescopic rod, and the switches are electrically connected to the external power supply.

[0012] As a further solution of the utility model: the receiving hopper and the cutting wheel are arranged correspondingly up and down, and the size of the upper port of the receiving hopper is larger than the size of the lower port.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a rotating tube, a guide gear, a clamping plate and a screw adjustment mechanism. The screw adjustment mechanism can drive the clamping plate to clamp the HVAC pipe passing through the rotating tube, and then the guide gear is driven to rotate by the rotating motor, and the guide gear drives the rotating tube to rotate, thereby driving the HVAC pipe fixedly clamped in the rotating tube to rotate, so as to facilitate the circular cutting of the HVAC pipe. Compared with the existing manual adjustment and cutting method, the utility model has a higher degree of automation and is more time-saving and labor-saving.

[0015] 2. The utility model installs splash-proof covers on both sides of the cutting wheel, which can block the flying chips generated by the cutting wheel to prevent injuries caused by splashing. After being blocked, the flying chips will fall downward into the receiving hopper and eventually be discharged from the bottom of the receiving hopper, making it convenient for personnel to collect and clean the flying chips and reducing the difficulty of cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a front view of a HVAC pipe cutting device for use in building HVAC engineering.

[0017] Figure 2 The present invention is a side sectional view of a HVAC pipe cutting device for use in building HVAC engineering.

[0018] Figure 3 A HVAC pipe cutting device for building HVAC engineering Figure 1 A magnified view of the structure at center.

[0019] 1. Frame; 2. Rotating tube; 3. Gear ring; 4. Lower cross bar; 5. Lower guide gear; 6. Upper cross bar; 7. Upper guide gear; 8. Screw adjustment mechanism; 801. Screw nut; 802. Screw; 803. Screw bearing; 804. Screw handle; 9. Clamp; 10. Clamp groove; 11. Rotating motor; 12. Collecting hopper; 13. Electric telescopic rod; 14. Cutting wheel; 15. Cutting motor; 16. Splash-proof cover. DETAILED DESCRIPTION

[0020] The technical features of this solution can be clearly explained. The solution is described below through a specific implementation method.

[0021] See also Figures 1 to 3 As shown, this embodiment is a HVAC pipe cutting device for building HVAC engineering, including a frame 1, a rotating pipe 2, a screw adjustment mechanism 8, a cutting wheel 14, a splashproof cover 16 and a receiving hopper 12. A rotating pipe 2 is arranged on the inner side of the frame 1, and a gear ring 3 is installed at both ends of the rotating pipe 2. A lower cross bar 4 and an upper cross bar 6 are respectively arranged directly below and directly above the gear ring 3. The two ends of the lower cross bar 4 are fixedly connected to the frame 1, and two lower guide gears 5 are installed on the lower cross bar 4. One end of the upper cross bar 6 is fixedly connected to the frame 1, and an upper guide gear 7 is installed at the other end of the upper cross bar 6. The upper guide gear 5 and the upper guide gear 7 are both meshed with the ring gear 3, a screw adjustment mechanism 8 is installed on the rotating tube 2, a clamping plate 9 is installed at the bottom end of the screw adjustment mechanism 8, a clamping groove 10 is arranged in the rotating tube 2, the clamping groove 10 is V-shaped and matched with the shape of the clamping plate 9, and can clamp and fix HVAC pipes of various sizes, an electric telescopic rod 13 is installed on the top of the frame 1, a splash-proof cover 16 is installed at the bottom end of the electric telescopic rod 13, a cutting motor 15 is installed on the splash-proof cover 16, a cutting wheel 14 is installed at the rotating shaft end of the cutting motor 15, and a collecting hopper 12 is installed at the bottom of the frame 1.

[0022] The screw adjustment mechanism 8 includes a screw nut 801, a screw 802, a screw bearing 803 and a screw handle 804. The screw nut 801 is embedded in the rotating tube 2. The middle thread of the screw nut 801 is connected to the screw 802. The bottom end of the screw 802 is rotatably connected to the screw bearing 803 installed on the splint 9. The top end of the screw 802 is installed with a screw handle 804. The setting of the screw handle 804 can facilitate personnel to rotate and adjust the screw 802.

[0023] The lower guide gear 5 and the upper guide gear 7 are respectively distributed on the bottom sides and the top sides of the front and rear end gear rings 3. The lower guide gear 5 and the upper guide gear 7 are arranged in this way to limit the rotating tube 2 and improve the stability of the rotating tube 2 when rotating.

[0024] The axle of the lower guide gear 5 located at one side of the bottom of the gear ring 3 at the rear end of the rotating tube 2 is directly connected to the rotating shaft of the rotating motor 11 installed in the frame 1.

[0025] The rotating motor 11, the cutting motor 15 and the electric telescopic rod 13 are all equipped with switches, which are electrically connected to an external power source.

[0026] The receiving hopper 12 and the cutting wheel 14 are arranged correspondingly up and down, and the upper port size of the receiving hopper 12 is larger than the lower port size. Such a design can make the receiving hopper 12 have a larger receiving area and a better effect of receiving flying chips.

[0027] The working principle of the utility model is:

[0028] When in use, first insert the HVAC pipe to be cut into the middle of the rotating pipe 2, and then drive the screw 802 to rotate through the screw handle 804, and the screw 802 drives the clamping plate 9 to clamp the HVAC pipe downward by threaded cooperation with the screw nut 801, and then turn on the rotating motor 11, the cutting motor 15 and the electric telescopic rod 13, the cutting motor 15 drives the cutting wheel 14 to rotate at high speed, the electric telescopic rod 13 extends downward and drives the cutting wheel 14 to move downward to cut the upper part of the HVAC pipe, the rotating motor 11 drives the lower guide gear 5 to rotate, and the lower guide gear 5 drives the rotating pipe 2 to rotate by meshing with the gear ring 3 at the rear end of the rotating pipe 2, thereby driving the HVAC pipe to rotate slowly, so as to achieve circular cutting, and the flying chips generated by the cutting are blocked by the splash-proof cover 16 and fall downward to the collecting hopper 12, and the flying chips gather in the middle and are discharged from the bottom port of the collecting hopper 12, so that it is convenient for personnel to collect the flying chips.

[0029] Technical features not described in the present invention can be achieved through or by adopting existing technologies, and will not be elaborated here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A HVAC pipe cutting device for building HVAC engineering, comprising a frame (1), a rotating pipe (2), a screw adjustment mechanism (8), a cutting wheel (14), a splash-proof cover (16) and a material receiving hopper (12), characterized in that: A rotating tube (2) is arranged on the inner side of the frame (1), gear rings (3) are installed at both ends of the rotating tube (2), and a lower cross bar (4) and an upper cross bar (6) are arranged directly below and directly above the gear ring (3), respectively; The two ends of the lower cross bar (4) are fixedly connected to the frame (1), and two lower guide gears (5) are installed on the lower cross bar (4); One end of the upper cross bar (6) is fixedly connected to the frame (1), and the other end of the upper cross bar (6) is provided with an upper guide gear (7), and both the lower guide gear (5) and the upper guide gear (7) are meshed with the ring gear (3); A screw rod adjustment mechanism (8) is installed on the rotating tube (2), a clamping plate (9) is installed at the bottom end of the screw rod adjustment mechanism (8), and a clamping groove (10) is provided in the rotating tube (2); An electric telescopic rod (13) is installed on the top of the frame (1), a splash-proof cover (16) is installed on the bottom of the electric telescopic rod (13), a cutting motor (15) is installed on the splash-proof cover (16), a cutting wheel (14) is installed on the rotating shaft end of the cutting motor (15), and a material receiving hopper (12) is installed at the bottom of the frame (1).

2. The HVAC pipe cutting device for building HVAC engineering according to claim 1 is characterized in that: The screw adjustment mechanism (8) comprises a screw nut (801), a screw (802), a screw bearing (803) and a screw handle (804); The screw nut (801) is embedded in the rotating tube (2), the middle of the screw nut (801) is threadedly connected to a screw (802), and the bottom end of the screw (802) is rotatably connected to a screw bearing (803) installed on the clamping plate (9); A screw handle (804) is installed at the top end of the screw (802).

3. The HVAC pipe cutting device for building HVAC engineering according to claim 1 is characterized in that: The lower guide gear (5) and the upper guide gear (7) are respectively distributed on both sides of the bottom and both sides of the top of the gear ring (3) at the front and rear ends.

4. The HVAC pipe cutting device for building HVAC engineering according to claim 1, characterized in that: The axle of the lower guide gear (5) located at one side of the bottom of the gear ring (3) at the rear end of the rotating tube (2) is directly connected to the rotating shaft of the rotating motor (11) installed in the frame (1).

5. The HVAC pipe cutting device for building HVAC engineering according to claim 4 is characterized in that: The rotating motor (11), the cutting motor (15) and the electric telescopic rod (13) are all equipped with switches, and the switches are electrically connected to an external power source.

6. The HVAC pipe cutting device for building HVAC engineering according to claim 1, characterized in that: The receiving hopper (12) and the cutting wheel (14) are arranged correspondingly up and down; The size of the upper port of the receiving hopper (12) is larger than the size of the lower port.

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