Heating and ventilation pipeline cutting machine for heating and ventilation engineering

Abstract

The heating and ventilation pipeline cutting machine for the heating and ventilation engineering comprises a cutting table, a supporting frame and a cutting knife, the cutting table is fixedly installed above the supporting frame, the cutting knife is located in the supporting frame, and a penetrating hole matched with the cutting knife is formed in the surface of the cutting table. And a lifting assembly facilitating lifting of the cutting knife is installed in the supporting frame, the lifting assembly comprises a first threaded rod and a connecting rod, a plugging assembly facilitating plugging of the penetrating hole is installed in the cutting table, and a fixing assembly facilitating fixing of the pipeline is installed above the cutting table. According to the pipeline cutting machine, the lifting assembly and the blocking assembly are arranged in a matched mode, the cutting knife can retract into the supporting frame when not working, the supporting frame is blocked, the safety of the device is improved, and the problem that when an existing pipeline cutting machine is not working, the cutting knife is usually exposed outside, and potential safety hazards are brought to operators is solved. And once the operation is improper, accidental injury is easy to occur.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heating and ventilation engineering technical field, especially a heating and ventilation pipeline cutting machine for heating and ventilation engineering. BACKGROUND

[0002] In the installation process of the heating and ventilation system, the pipeline needs to be cut into different lengths according to the actual building structure and design requirements, so as to facilitate the connection and arrangement between the pipelines.

[0003] The existing pipeline cutting machine has certain safety hazards when it is not working because the cutting knife is usually exposed. Once the staff operates improperly, accidental injury is likely to occur. UTILITY MODEL CONTENT

[0004] In view of the technical problem in the prior art that the cutting knife of the pipeline cutting machine is usually exposed when it is not working, which has certain safety hazards, the utility model provides a heating and ventilation pipeline cutting machine for heating and ventilation engineering.

[0005] The utility model adopts the technical scheme that a heating and ventilation pipeline cutting machine for heating and ventilation engineering, including cutting table, support frame and cutting knife, cutting table fixed mounting in the top of support frame, cutting knife is located in the inside of support frame, the surface of cutting table is equipped with the perforation that unifies with cutting knife, the inside installation of support frame has the lifting assembly that is convenient for to cutting knife is lifted, lifting assembly includes first screw rod and connecting rod, the inside installation of cutting table has the plugging assembly that is convenient for to the perforation is plugged, the top of cutting table is installed with the fixed assembly that is convenient for to the pipeline is fixed, the cooperation and setting of lifting assembly and plugging assembly can make cutting knife retract to support frame when not working, and it is plugged, improve the security of the device, the setting of fixed assembly is convenient for to the pipeline of different sizes is clamped and fixed, avoids the deviation when cutting the pipeline, influences cutting effect.

[0006] Further, a first motor is fixedly installed on one side of the support frame, a first bevel gear is fixedly installed on the output end of the first motor, a second bevel gear is engaged with the surface of the first bevel gear, the second bevel gear is fixedly installed on the surface of the first screw rod, the first screw rod is rotatably connected in the inside of the support frame through a bearing seat, the first screw rod penetrates the lower surface of the connecting rod and is threadedly connected with the connecting rod, the first screw rod is driven to rotate through the cooperation and setting of the first motor, the first bevel gear and the second bevel gear, and the accurate lifting of the connecting rod is realized through the threaded connection.

[0007] Further, the upper part of the connecting rod is fixedly provided with a mounting rack, one side of the mounting rack is fixedly provided with a second motor, the output end of the second motor is fixedly connected with the cutting knife, and the second motor directly drives the cutting knife to rotate to cut the pipeline.

[0008] Further, the bottom of the connecting rod is fixedly provided with a limiting plate, and the inner walls of the supporting frame are both provided with sliding grooves; the limiting plate is slidably connected with the sliding grooves on both sides, so that the connecting rod can be limited.

[0009] Further, the plugging assembly comprises a third motor fixedly installed on one side of the cutting table, a second threaded rod fixedly installed at the output end of the third motor, a plugging plate threadedly connected with the surface of the second threaded rod, and the plugging plate penetrates one side of the perforation and is slidably connected with the cutting table; the other side of the perforation is provided with a plugging groove matched with the plugging plate; the third motor drives the second threaded rod to rotate, so that the plugging plate is inserted into the plugging groove, thereby plugging the perforation and improving the safety of the device.

[0010] Further, one side of the plugging plate is fixedly provided with a sliding plate, and the sliding plate is slidably connected in the cutting table, so that the plugging plate can be limited.

[0011] Further, the fixing assembly comprises mounting frames fixedly installed on both sides of the cutting table, upper clamping plates and lower clamping plates installed in the mounting frames, the lower clamping plate being fixedly installed at the bottom of the mounting frame, and the upper clamping plate being slidably connected in the mounting frame; a motorized push rod is fixedly installed at the top of the upper clamping plate, penetrates the upper surface of the mounting frame and is fixedly connected with the mounting frame, the motorized push rod drives the upper clamping plate to move downward, and the lower clamping plate is matched to fix the pipeline.

[0012] Further, the inner surfaces of the upper clamping plate and the lower clamping plate are both fixedly provided with silica gel pads, so as to improve the friction force on the pipeline, improve the fixing effect, effectively protect the surface of the pipeline and prevent the pipeline from being scratched during clamping.

[0013] The utility model discloses the beneficial effect is:

[0014] 1, the utility model discloses the cooperation setting of lifting assembly and plugging assembly can make cutting knife retract to the supporting frame when not working, and plugging improves the safety of the device, and the pipeline cutting machine of existing has solved when not working, and cutting knife is usually exposed to the outside, which brings the security risk to the operator. Once improper operation, it is easy to cause accidental injury problem.

[0015] 2、The utility model discloses secondly through the setting of fixed assembly, it is convenient to clamp and fix the pipeline of different size, avoid the deviation when cutting the pipeline, influence cutting effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall view of the utility model;

[0017] Figure 2 It is the support frame section view of the utility model;

[0018] Figure 3 It is the cutting table section view of the utility model;

[0019] Figure 4 It is the fixed assembly drawing of the utility model.

[0020] Marked as in drawing: 1, cutting table;2, support frame;3, cutting knife;4, perforation;5, lifting assembly;501, first motor;502, first bevel gear;503, second bevel gear;504, first threaded rod;505, connecting rod;506, limit plate;507, sliding slot;6, plugging assembly;601, third motor;602, second threaded rod;603, plugging plate;604, plugging groove;605, sliding plate;7, fixed assembly;701, mounting frame;702, upper clamping plate;703, lower clamping plate;704, electric push rod;705, silica gel pad;8, mounting frame;9, second motor. DETAILED DESCRIPTION

[0021] In the description of the utility model, it is needful to explain, the orientation or positional relation that the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal" indicate is based on the orientation or positional relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element referred to must have a particular orientation, with particular orientation configuration and operation, therefore can not be understood as the limitation of the utility model.

[0022] In the description of the utility model, it is needful to explain, unless another explicit provision and limitation, the terms "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements inside.For the ordinary skill of the person in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0023] The following will be combined with the drawings Figures 1-4 Further illustrate the utility model.

[0024] In order to solve the problems in the background art, the present application proposes the following technical scheme: a heating and ventilation pipeline cutting machine for heating and ventilation engineering.

[0025] In the specific technical scheme, the cutting table 1 is fixedly installed above the support frame 2, the cutting knife 3 is located inside the support frame 2, the surface of the cutting table 1 is provided with a through hole 4 matched with the cutting knife 3, the inside of the support frame 2 is provided with a lifting assembly 5 for lifting the cutting knife 3, the lifting assembly 5 includes a first threaded rod 504 and a connecting rod 505, the inside of the cutting table 1 is provided with a plugging assembly 6 for plugging the through hole 4, the upper side of the cutting table 1 is provided with a fixing assembly 7 for fixing the pipeline, the cooperation of the lifting assembly 5 and the plugging assembly 6 can make the cutting knife 3 retract into the support frame 2 when not working, and the safety of the device is improved, and the setting of the fixing assembly 7 can clamp and fix pipelines of different sizes, avoiding deviation during cutting and affecting the cutting effect.

[0026] Referring to Figure 1 and Figure 2 , a first motor 501 is fixedly installed on one side of the support frame 2, a first bevel gear 502 is fixedly installed on the output end of the first motor 501, a second bevel gear 503 is engaged with the surface of the first bevel gear 502, the second bevel gear 503 is fixedly installed on the surface of the first threaded rod 504, the first threaded rod 504 is rotatably connected to the inside of the support frame 2 through a bearing seat, the first threaded rod 504 penetrates through the lower surface of the connecting rod 505 and is threadedly connected with the connecting rod 505, a mounting bracket 8 is fixedly installed on the upper side of the connecting rod 505, a second motor 9 is fixedly installed on one side of the mounting bracket 8, the output end of the second motor 9 is fixedly connected with the cutting knife 3, a limiting plate 506 is fixedly installed on the bottom of the connecting rod 505, sliding grooves 507 are formed on both sides of the inner wall of the support frame 2, both sides of the limiting plate 506 are respectively slidably connected with the two sliding grooves 507, the first motor 501 is started to drive the first bevel gear 502 to rotate, thereby driving the second bevel gear 503 to rotate, the second bevel gear 503 is fixed on the first threaded rod 504, so that the first threaded rod 504 rotates, when the first threaded rod 504 rotates, the connecting rod 505 is limited by the limiting plate 506 and the sliding grooves 507, and the connecting rod 505 moves up and down along the first threaded rod 504, thereby driving the cutting knife 3 to move up and down.

[0027] Referring to Figure 1 and Figure 3As shown, the blocking assembly 6 comprises a third motor 601 fixedly installed on one side of the cutting table 1, the output end of the third motor 601 is fixedly installed with a second threaded rod 602, the surface of the second threaded rod 602 is threadedly connected with a blocking plate 603, the blocking plate 603 penetrates through one side of the through hole 4 and is in sliding connection with the cutting table 1, the other side of the through hole 4 is provided with a blocking groove 604 matched with the blocking plate 603, one side of the blocking plate 603 is fixedly installed with a sliding plate 605, the sliding plate 605 is in sliding connection inside the cutting table 1, the third motor 601 is started to drive the second threaded rod 602 to rotate, the blocking plate 603 slides along the sliding plate 605 inside the cutting table 1 under the driving of the second threaded rod 602, finally, the blocking plate 603 is inserted into the blocking groove 604 on the other side of the through hole 4, so as to block the through hole 4, thereby improving the safety of the device.

[0028] Referring to Figure 1 and Figure 4 As shown, the fixing assembly 7 comprises mounting frames 701 fixedly installed on both sides of the cutting table 1, the mounting frames 701 are installed with upper clamping plates 702 and lower clamping plates 703, the lower clamping plates 703 are fixedly installed on the bottom of the mounting frames 701, the upper clamping plates 702 are in sliding connection inside the mounting frames 701, the top of the upper clamping plates 702 is fixedly installed with electric push rods 704, the electric push rods 704 penetrate through the upper surface of the mounting frames 701 and are fixedly connected with the mounting frames 701, the inner surfaces of the upper clamping plates 702 and the lower clamping plates 703 are fixedly installed with silica gel pads 705, the upper clamping plates 702 are driven by the electric push rods 704, under the action of the extension and retraction of the electric push rods 704, the upper clamping plates 702 move downward to clamp the pipeline together with the lower clamping plates 703.

[0029] In order for those skilled in the art to fully understand the technical solutions, the present application is made as follows:

[0030] In use, the pipeline to be cut is placed on the surface of the lower clamping plates 703 on both sides, then the upper clamping plates 702 are driven downward by the electric push rods 704 to clamp the pipeline together with the lower clamping plates 703, then the first motor 501 is started to drive the first bevel gear 502 to rotate, thereby driving the second bevel gear 503 to rotate, and the first threaded rod 504 rotates, when the first threaded rod 504 rotates, the connecting rods 505 move upward along the first threaded rod 504, thereby driving the cutting knife 3 to move upward, at the same time, the second motor 9 is started to drive the cutting knife 3 to rotate, so as to cut the pipeline, after cutting is completed, the cutting knife 3 is driven downward by the first motor 501 until it is retracted into the support frame 2, the third motor 601 is started to drive the second threaded rod 602 to rotate, the blocking plate 603 slides along the sliding plate 605 inside the cutting table 1 under the driving of the second threaded rod 602, finally, the blocking plate 603 is inserted into the blocking groove 604 on the other side of the through hole 4 to block the through hole 4.

[0031] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the description belong to the prior art known to the person skilled in the art.

[0032] Although the embodiments of the utility model have been shown and described, the scope of the utility model is defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. An HVAC duct cutting machine for heating, ventilation, and air conditioning, characterized by, The utility model relates to a cutting device, including cutting platform (1), support frame (2) and cutting knife (3), cutting platform (1) fixed mounting in the upper of support frame (2), cutting knife (3) are located in the inside of support frame (2), the surface of cutting platform (1) is equipped with the perforation (4) of being in accord with cutting knife (3), the inside of support frame (2) is installed with the lifting assembly (5) of being convenient for to cutting knife (3) is lifted, the lifting assembly (5) includes first threaded rod (504) and connecting rod (505), the inside of cutting platform (1) is installed with the plugging assembly (6) of being convenient for to the perforation (4) is plugged, the upper of cutting platform (1) is installed with the fixed component (7) of being convenient for to pipeline is fixed.

2. The HVAC duct cutting machine of claim 1, wherein, The side of support frame (2) is fixedly installed with first motor (501), the output of first motor (501) is fixedly installed with first bevel gear (502), the surface of first bevel gear (502) is engaged with second bevel gear (503), second bevel gear (503) is fixedly installed on the surface of first threaded rod (504), first threaded rod (504) is rotatably connected in the inside of support frame (2) through bearing seat, first threaded rod (504) penetrates the lower surface of connecting rod (505) and is threadedly connected with connecting rod (505).

3. The HVAC duct cutting machine of claim 2, wherein, The upper of connecting rod (505) is fixedly installed with mounting bracket (8), one side of mounting bracket (8) is fixedly installed with second motor (9), the output of second motor (9) is fixedly connected with cutting knife (3).

4. The HVAC duct cutting machine of claim 3, wherein, The bottom of connecting rod (505) is fixedly installed with limit plate (506), the inner wall both sides of support frame (2) are equipped with sliding slot (507), and both sides of limit plate (506) are slidably connected with both sides sliding slot (507).

5. The HVAC duct cutting machine of claim 1, wherein, The plugging assembly (6) includes third motor (601) fixedly installed on one side of the cutting platform (1), the output of third motor (601) is fixedly installed with second threaded rod (602), the surface of second threaded rod (602) is threadedly connected with plugging plate (603), plugging plate (603) penetrates one side of the perforation (4) and is slidably connected with the cutting platform (1), the other side of the perforation (4) is equipped with the plugging groove (604) of being in accord with plugging plate (603).

6. A heating and ventilation duct cutting machine for heating and ventilation engineering according to claim 5, characterized in that One side of plugging plate (603) is fixedly installed with sliding plate (605), and sliding plate (605) is slidably connected in the inside of cutting platform (1).

7. The HVAC duct cutting machine of claim 1, wherein, The fixed assembly (7) comprises mounting frames (701) fixedly installed on both sides of the cutting table (1), upper clamping plates (702) and lower clamping plates (703) are installed in the mounting frames (701), the lower clamping plates (703) are fixedly installed at the bottom of the mounting frames (701), the upper clamping plates (702) are slidingly connected in the mounting frames (701), electric push rods (704) are fixedly installed at the top of the upper clamping plates (702), and the electric push rods (704) penetrate through the upper surface of the mounting frames (701) and are fixedly connected with the mounting frames (701).

8. The HVAC duct cutting machine of claim 7, wherein, Silicone pads (705) are fixedly installed on the inner surfaces of the upper clamping plates (702) and the lower clamping plates (703).

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