CN216097634U

CN216097634U - Cutting device for ventilating duct

Info

Publication number: CN216097634U
Application number: CN202122325355.6U
Authority: CN
Inventors: 曾聪; 罗成红; 李洪辉
Original assignee: Guangdong Industrial Equipment Installation Co ltd
Current assignee: Guangdong Industrial Equipment Installation Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-03-22
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a cutting device for a ventilating duct, which comprises: the rack comprises a base, a top plate and a supporting piece arranged between the base and the top plate; the material loading platform is arranged on the base; the cutting mechanism is arranged on the top plate in a lifting manner; fixture, including the centre gripping subassembly, drive assembly and locating component, the centre gripping subassembly includes two clamping parts, drive assembly includes the transmission shaft, drive screw and two drive nut, be provided with in the base and hold the chamber, drive screw rotationally locates and holds the intracavity, the last first screw thread section and the second screw thread section that is equipped with screw direction opposite of drive screw, two drive nut be threaded connection respectively in first screw thread section and second screw thread section, the top of base is provided with dodges the mouth, the clamping part is worn to locate and dodges the mouth and connect in drive nut, the transmission shaft is worn to locate on the chamber wall that holds the chamber and is connected with the drive screw transmission, locating component locates between transmission shaft and the base. Above-mentioned structure can improve the roughness to air pipe's cutting accuracy and incision department.

Description

Cutting device for ventilating duct

Technical Field

The utility model relates to the technical field of pipe machining, in particular to a ventilating duct cutting device.

Background

Among the prior art, air pipe need carry out the adaptability cutting according to the user demand after the machine-shaping, but there is the lower problem of the roughness of lower and incision department of cutting precision when traditional cutting device cuts air pipe to lead to the quality of product lower, brought the inconvenience for subsequent processing and installation.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a ventilating duct cutting device which can improve the cutting precision of a ventilating duct and improve the flatness of a cut.

According to the air pipe cutting device of the embodiment of the utility model, the air pipe cutting device comprises: the rack comprises a base, a support piece and a top plate, wherein the top plate is arranged above the base, and the support piece is arranged between the base and the top plate and used for supporting the top plate; the material carrying platform is arranged at the top of the base and is used for placing the ventilating pipeline; the cutting mechanism is arranged on the top plate in a lifting manner and is used for cutting the ventilating duct; the clamping mechanism is used for clamping a ventilation pipeline, the clamping mechanism comprises a clamping component, a transmission component and a positioning component, the clamping component comprises two clamping parts, the transmission component comprises a transmission shaft, a transmission screw and two transmission nuts, a containing cavity is arranged in the base, the transmission screw is rotatably arranged in the containing cavity, a first thread section and a second thread section which have the same thread pitch and opposite thread directions are arranged on the transmission screw, the two transmission nuts are respectively in threaded connection with the first thread section and the second thread section of the transmission screw, the top of the base is provided with two avoiding openings communicated with the containing cavity corresponding to the clamping parts, the two clamping parts are correspondingly arranged on the two avoiding openings one by one and are connected with the two transmission nuts one by one, the transmission shaft is rotatably arranged on the wall of the containing cavity and is in transmission connection with the transmission screw, the positioning assembly is arranged between the transmission shaft and the base and can limit the transmission shaft to rotate relative to the base or remove the limitation.

According to the embodiment of the utility model, the ventilating duct cutting device has at least the following beneficial effects: during the use, at first will treat the air pipe of cutting place in carry the material bench, then pass through the transmission shaft drive screw rotates, thereby make two drive nut is close to each other, and then makes two the clamping part carries out the centre gripping to air pipe, so as to fix a position air pipe, passes through afterwards locating component restriction the transmission shaft is relative the base rotates, with two the clamping part is fixed a position, passes through at last cutting mechanism cuts air pipe, thereby can improve the cutting accuracy to air pipe and can improve the roughness of incision department.

According to some embodiments of the utility model, an end of the drive shaft remote from the drive screw is provided with a driving portion.

According to some embodiments of the present invention, the positioning assembly includes a positioning element inserted into the screwing portion, a limiting portion capable of limiting the positioning element to be disengaged from the screwing portion is disposed at an upper portion of the positioning element, a plurality of insertion holes are disposed on the base corresponding to the positioning element, the plurality of insertion holes are circumferentially distributed with an axis of the transmission shaft as a center, an abutting portion is disposed at a lower portion of the positioning element, a compression spring is sleeved on the positioning element, one end of the compression spring abuts against a bottom of the screwing portion, the other end of the compression spring abuts against the abutting portion, and the compression spring can provide an elastic force for inserting the positioning element into the insertion holes.

According to some embodiments of the present invention, two limiting members are disposed at an interval on the transmission shaft, and a cavity wall of the accommodating cavity is sandwiched between the two limiting members.

According to some embodiments of the utility model, a groove is arranged at the bottom of the transmission nut, and a plurality of steel balls abutted against the bottom wall of the accommodating cavity are movably arranged in the groove.

According to some embodiments of the utility model, the upper part of the clamping part is provided with a rubber pad for clamping the ventilation duct.

According to some embodiments of the utility model, the top of the material carrying platform is provided with a limiting groove for placing a ventilating pipeline.

According to some embodiments of the utility model, the cutting mechanism comprises a bearing plate, an electric push rod, a motor and a saw blade, the electric push rod is arranged at the bottom of the top plate, the output end of the electric push rod is connected to the top of the bearing plate and can drive the bearing plate to lift, the motor is arranged at the bottom of the bearing plate, and the output end of the motor is connected to the saw blade.

According to some embodiments of the utility model, a telescopic rod for guiding is arranged between the bearing plate and the top plate.

According to some embodiments of the utility model, the support member comprises a sleeve and a connecting rod, the connecting rod is slidably disposed in the sleeve, the sleeve is disposed on the base, one end of the connecting rod, which is far away from the sleeve, is connected to the top plate, and a locking bolt penetrates through a side wall of the sleeve.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a partially enlarged schematic view of fig. 3 at C.

Reference numerals:

the cutting device comprises a rack 100, a base 110, an accommodating cavity 111, an avoiding opening 112, an inserting hole 113, a supporting leg 114, a supporting piece 120, a sleeve 121, a connecting rod 122, a locking bolt 123, a top plate 130, a material loading platform 200, a cutting mechanism 300, a supporting plate 310, an electric push rod 320, a saw blade 330, a clamping mechanism 400, a clamping part 410, a rubber pad 411, a transmission shaft 420, a screwing part 421, a transmission screw 430, a transmission nut 440, a groove 441, a positioning part 450, a limiting part 451, an abutting part 452, a compression spring 460, a bevel gear 500, a limiting part 600, a steel ball 700 and a telescopic rod 800.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if several, more than, less than, more than, above, below, or within words appear, several means are one or more, several means are two or more, more than, less than, more than, etc. are understood as not including the number, and more than, less than, within, etc. are understood as including the number.

In the description of the present invention, if the first, second, etc. terms appear, they are only used for distinguishing technical features, but are not to be interpreted as indicating or implying relative importance or implying number of indicated technical features or implying precedence of indicated technical features.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, the ventilation duct cutting apparatus according to the embodiment of the present invention includes a frame 100, a loading platform 200, a cutting mechanism 300, and a clamping mechanism 400.

The rack 100 comprises a base 110, a support member 120 and a top plate 130, the top plate 130 is arranged above the base 110, the support member 120 is arranged between the base 110 and the top plate 130 and is used for supporting the top plate 130, a material loading platform 200 is arranged at the top of the base 110 and is used for placing a ventilating duct, a cutting mechanism 300 is arranged on the top plate 130 in a lifting manner and is used for cutting the ventilating duct, a clamping mechanism 400 is used for clamping the ventilating duct, the clamping mechanism 400 comprises a clamping component, a transmission component and a positioning component, the clamping component comprises two clamping parts 410, the transmission component comprises a transmission shaft 420, a transmission screw 430 and two transmission nuts 440, an accommodating cavity 111 is arranged in the base 110, the transmission screw 430 is rotatably arranged in the accommodating cavity 111, a first thread section and a second thread section which have the same thread pitch and opposite thread directions are arranged on the transmission screw 430, and the two transmission nuts 440 are respectively in thread connection with the first thread section and the second thread section of the transmission screw 430, the top of the base 110 is provided with two avoiding openings 112 communicated with the accommodating cavity 111 corresponding to the clamping portions 410, the two clamping portions 410 are correspondingly arranged on the two avoiding openings 112 one by one and are correspondingly connected to the two transmission nuts 440 one by one, the transmission shaft 420 is rotatably arranged on the cavity wall of the accommodating cavity 111 and is in transmission connection with the transmission screw 430, the positioning assembly is arranged between the transmission shaft 420 and the base 110, and the positioning assembly can limit the transmission shaft 420 to rotate relative to the base 110 or relieve the limitation. Specifically, the transmission shaft 420 and the transmission screw 430 are in transmission connection through two mutually meshed bevel gears 500, and of course, the transmission shaft and the transmission screw may also be in transmission connection through a coupler, which is not limited herein.

During the use, at first place the air pipe that will treat the cutting on carrying material platform 200, then rotate through transmission shaft 420 drive screw 430, thereby make two drive nuts 440 be close to each other, and then make two clamping part 410 carry out the centre gripping to air pipe, in order to fix a position air pipe, afterwards, through the relative base 110 rotation of positioning element restriction transmission shaft 420, in order to fix a position two clamping part 410, cut air pipe through cutting mechanism 300 at last, thereby can improve the cutting precision to air pipe and can improve the roughness of incision department.

Referring to fig. 1 and 2, in some embodiments, an end of the transmission shaft 420 remote from the transmission screw 430 is provided with a screwing portion 421 to facilitate an operator to drive the transmission shaft 420 to rotate.

Referring to fig. 2, in some embodiments, the positioning assembly includes a positioning member 450 disposed on the screwing portion 421, a limiting portion 451 capable of limiting the positioning member 450 to be disengaged from the screwing portion 421 is disposed on an upper portion of the positioning member 450, a plurality of insertion holes 113 are disposed on the base 110 corresponding to the positioning member 450, the plurality of insertion holes 113 are circumferentially distributed around an axis of the transmission shaft 420, an abutting portion 452 is disposed on a lower portion of the positioning member 450, a compression spring 460 is sleeved on the positioning member 450, one end of the compression spring 460 abuts against a bottom of the screwing portion 421, and the other end abuts against the abutting portion 452, the compression spring 460 can provide an elastic force for inserting the positioning member 450 into the insertion hole 113, and the positioning member is simple in structure and easy to implement.

It should be noted that, in some embodiments, only one insertion hole may be provided, and correspondingly, the positioning members disposed through the screwing portion are provided with a plurality of positioning members and circumferentially distributed with the axis of the transmission shaft as a center, which is not limited herein.

Referring to fig. 2, in some embodiments, two limiting members 600 are disposed on the transmission shaft 420 at intervals, and the cavity wall of the accommodating cavity 111 is sandwiched between the two limiting members 600, so that the two limiting members 600 can limit the transmission shaft 420 to move relative to the base 110, which is beneficial to improving the stability of the transmission relationship between the transmission shaft 420 and the transmission screw 430.

Referring to fig. 3 and 4, in some embodiments, a groove 441 is disposed at the bottom of the transmission nut 440, and a plurality of steel balls 700 abutting against the bottom wall of the accommodating cavity 111 are movably disposed in the groove 441, which is beneficial to reducing the friction between the transmission nut 440 and the bottom wall of the accommodating cavity 111.

Referring to fig. 1, in some embodiments, a rubber pad 411 for clamping the ventilation duct is disposed on the upper portion of the clamping portion 410, which is beneficial to increase the friction between the clamping portion 410 and the ventilation duct, so that the stability of the ventilation duct during the cutting process can be improved.

It should be noted that, in some embodiments, the top of the material loading platform 200 is provided with a limiting groove (not shown in the drawings) for placing the ventilation duct, the ventilation duct can be preliminarily positioned before the clamping portion 410 clamps the ventilation duct, and the limiting groove can further improve the stability of the ventilation duct in the cutting process.

Referring to fig. 1, in some embodiments, the cutting mechanism 300 includes a support plate 310, an electric push rod 320, a motor (not shown) and a saw blade 330, the electric push rod 320 is disposed at the bottom of the top plate 130, an output end of the electric push rod 320 is connected to the top of the support plate 310 and can drive the support plate 310 to move up and down, the motor is disposed at the bottom of the support plate 310, and an output end of the motor is connected to the saw blade 330, which is simple in structure and easy to implement.

It should be noted that, in some embodiments, the electric push rod may be replaced by an air cylinder or a hydraulic cylinder, which is not limited herein.

Referring to fig. 1, in some embodiments, a telescopic rod 800 for guiding is disposed between the support plate 310 and the top plate 130, which is beneficial to improve the stability of the support plate 310 during the lifting process.

Referring to fig. 1, in some embodiments, the support 120 includes a sleeve 121 and a connecting rod 122, the connecting rod 122 is slidably disposed in the sleeve 121, the sleeve 121 is disposed on the base 110, one end of the connecting rod 122, which is away from the sleeve 121, is connected to the top plate 130, a locking bolt 123 is disposed on a side wall of the sleeve 121, and a height of the top plate 130 can be adjusted according to actual conditions during use, so as to adjust a distance between the cutting mechanism 300 and the ventilation duct.

Referring to fig. 1, in some embodiments, the bottom of the base 110 is provided with a plurality of supporting legs 114, and the supporting legs 114 are distributed in a rectangular array, so as to support the whole ventilation duct cutting device.

In the description of the present specification, if reference is made to the description of "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", and "some examples", etc., reference is made to the terminology, it is intended that a particular feature, structure, material, or characteristic described in connection with the embodiment or example be included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A ventilation duct cutting device, characterized by comprising:

the rack (100) comprises a base (110), a support (120) and a top plate (130), wherein the top plate (130) is arranged above the base (110), and the support (120) is arranged between the base (110) and the top plate (130) and is used for supporting the top plate (130);

the material carrying platform (200) is arranged at the top of the base (110) and used for placing a ventilating pipeline;

the cutting mechanism (300) is arranged on the top plate (130) in a lifting manner and is used for cutting the ventilation pipeline;

fixture (400), fixture (400) is used for centre gripping air pipe, fixture (400) includes centre gripping subassembly, drive assembly and locating component, the centre gripping subassembly includes two clamping part (410), drive assembly includes transmission shaft (420), drive screw (430) and two drive nut (440), be provided with in base (110) and hold chamber (111), drive screw (430) rotationally set up in holding chamber (111), be provided with the first screw thread section and the second screw thread section that the pitch equals and screw thread opposite direction on drive screw (430), two drive nut (440) threaded connection respectively in the first screw thread section and the second screw thread section of drive screw (430), the top of base (110) corresponds clamping part (410) is provided with two and communicates in hold chamber (111) dodge mouth (112), two clamping part (410) one-to-one wear to locate two dodge mouth (112) and one-to-one connect in two drive nut (440), transmission shaft (420) rotationally wear to locate hold on the chamber wall in chamber (111) and with drive screw (430) transmission is connected, locating component set up in transmission shaft (420) with between base (110), locating component can restrict transmission shaft (420) is relative base (110) rotates or removes the restriction.

2. The ventilation duct cutting device according to claim 1, characterized in that a screwing portion (421) is provided at an end of the transmission shaft (420) away from the transmission screw (430).

3. The ventilation duct cutting device according to claim 2, characterized in that the positioning component comprises a positioning member (450) arranged on the screwing part (421), the upper part of the positioning piece (450) is provided with a limit part (451) which can limit the separation of the positioning piece (450) from the screwing part (421), a plurality of inserting holes (113) are arranged on the base (110) corresponding to the positioning piece (450), the inserting holes (113) are circumferentially distributed by taking the axis of the transmission shaft (420) as the center, the lower part of the positioning piece (450) is provided with a butting part (452), the positioning piece (450) is sleeved with a compression spring (460), one end of the compression spring (460) is abutted against the bottom of the screwing part (421), the other end is abutted against the abutting part (452), the compression spring (460) can provide an elastic force for inserting the positioning member (450) into the insertion hole (113).

4. The ventilation duct cutting device according to claim 1, wherein two limiting members (600) are disposed at intervals on the transmission shaft (420), and a cavity wall of the accommodating cavity (111) is sandwiched between the two limiting members (600).

5. The ventilation duct cutting device according to claim 1, characterized in that a groove (441) is arranged at the bottom of the transmission nut (440), and a plurality of steel balls (700) abutted against the bottom wall of the accommodating cavity (111) are movably arranged in the groove (441).

6. The ventilation duct cutting device according to claim 1, characterized in that the upper portion of the clip (410) is provided with a rubber pad (411) for clipping the ventilation duct.

7. The ventilation duct cutting device according to claim 1, characterized in that a limiting groove for placing the ventilation duct is arranged at the top of the material carrying platform (200).

8. The ventilation duct cutting device according to claim 1, wherein the cutting mechanism (300) comprises a supporting plate (310), an electric push rod (320), a motor and a saw blade (330), the electric push rod (320) is disposed at the bottom of the top plate (130), an output end of the electric push rod (320) is connected to the top of the supporting plate (310) and can drive the supporting plate (310) to move up and down, the motor is disposed at the bottom of the supporting plate (310), and an output end of the motor is connected to the saw blade (330).

9. The ventilation duct cutting device according to claim 8, characterized in that a telescopic bar (800) for guiding is arranged between the support plate (310) and the top plate (130).

10. The ventilation duct cutting device according to claim 1, wherein the support member (120) comprises a sleeve (121) and a connecting rod (122), the connecting rod (122) is slidably disposed in the sleeve (121), the sleeve (121) is disposed on the base (110), one end of the connecting rod (122) away from the sleeve (121) is connected to the top plate (130), and a locking bolt (123) is disposed on a side wall of the sleeve (121) in a penetrating manner.