CN218192659U

CN218192659U - Welded tube cutting round hole device

Info

Publication number: CN218192659U
Application number: CN202221871771.4U
Authority: CN
Inventors: 马绍波
Original assignee: Anhui Xiongdazhi Steel Structure Co ltd
Current assignee: Anhui Xiongdazhi Steel Structure Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-01-03
Anticipated expiration: 2032-07-14

Abstract

The utility model provides a welded pipe cutting round hole device, including lower stationary blade, upper stationary blade, support, slide, fastening bolt, hand wheel, T type groove, T type slider, rack, pinion, motor, trompil sword, chip groove and blade bolt, the utility model discloses in, during the use, with lower stationary blade and upper stationary blade through fastening bolt fixed mounting outside the steel pipe, guarantee that cutting device and the central line of steel pipe are coaxial, avoid appearing cutting partially, it is more convenient to install, makes cutting round hole device widely used; through the arrangement of the T-shaped groove in the sliding seat, the T-shaped sliding block rotates the hand wheel under the matching of the gear shaft and the rack to enable the T-shaped sliding block to move up and down in the T-shaped groove, so that the problem of deviation from the center during hole cutting is avoided, and meanwhile, the practicability of the equipment is improved; the tapping knife is installed at the lower end of an output shaft of the motor through the blade bolt, a chip groove is formed in one side of the tapping knife, the tapping knife can be replaced when the tapping knife cuts holes with different sizes, the tapping knife is more convenient to use, and the chip groove prevents the phenomenon of knife clamping.

Description

Welded pipe cutting round hole device

Technical Field

The utility model relates to a cutting device technical field especially relates to a welded tube cutting round hole device.

Background

At present, circular holes for cutting steel pipes are mainly round pipes processed by a movable limiting and positioning method and a bench drill drilling method, and the drilling method has many defects. Firstly, the positioning is inaccurate, and the error is too large when a plurality of holes are drilled on the same workpiece; secondly, the drill bit is easy to deviate from the center during drilling, so that the drill bit is broken and products are scrapped; thirdly, the hole sites on the workpiece need to be processed one by one, the workpiece is manually fixed, the efficiency is low, and the labor cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a welded tube cutting round hole device to solve the above-mentioned problem of proposing. A welded pipe cutting circular hole device comprises a lower fixing piece, an upper fixing piece, a support, a sliding seat, a fastening bolt, a gear shaft support, a hand wheel, a T-shaped groove, a T-shaped sliding block, a rack, a limiting block, a gear shaft, a motor support, a motor, a perforating knife, a chip groove and a blade bolt, wherein the upper fixing piece is arranged at the upper end of the lower fixing piece, and the lower fixing piece is fixedly connected with the upper fixing piece through the fastening bolt; the inner sides of the lower fixing piece and the upper fixing piece are arranged in a semicircle shape.

Preferably, a bracket is fixedly mounted on the upper fixing piece, and a sliding seat is fixedly mounted on one end of the bracket far away from the upper fixing piece; the inner side of the sliding seat is provided with a T-shaped groove.

Preferably, the T-shaped sliding block is slidably mounted in the T-shaped groove; one side of the T-shaped sliding block is fixedly provided with a rack through a bolt; the upper ends of the two sides of the sliding seat are fixedly provided with gear shaft brackets, and the inner sides of the gear shaft brackets are provided with gear shafts; one end of the gear shaft is movably connected with the gear shaft bracket through a bearing, and the other end of the gear shaft penetrates through the gear shaft bracket to be fixedly connected with the hand wheel; the hand wheel is arranged on the outer side of the gear shaft bracket; the gear shaft is meshed with the rack.

Preferably, the upper end of the rack is fixedly provided with a limiting block; the lower end of the T-shaped sliding block is provided with a motor, and the motor is fixedly arranged on one side of the T-shaped sliding block through a motor bracket; an output shaft of the motor is fixedly provided with a tapping knife through a blade bolt; a plurality of chip grooves are formed in one side of the perforating cutter.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through the setting of lower stationary blade and last stationary blade, will descend stationary blade and last stationary blade to pass through fastening bolt fixed mounting in the steel pipe outside, guarantee that cutting device is coaxial with the central line of steel pipe, avoid appearing cutting partially, it is more convenient to install, and it is more convenient to use, makes cutting round hole device obtain the wide application.

2. The utility model discloses in, through the setting in the T type groove in the slide, T type slider rotates the hand wheel under the cooperation of pinion with the rack and makes T type slider reciprocate in T type inslot, and the off-center problem when avoiding cutting the hole has improved the practicality of equipment simultaneously.

3. The utility model discloses in, the trompil sword passes through the blade bolt and installs the output shaft lower extreme at the motor, and trompil sword one side has been seted up the chip groove and can have been changed the trompil sword in the not hole of equidimension of cutting, and it is more convenient to use, and the chip groove prevents the phenomenon of card sword simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a bottom view of fig. 1 in the present invention.

Fig. 3 is a schematic plan view of the present invention.

Fig. 4 is a schematic structural diagram of the middle hand wheel of the present invention.

In the figure:

1-lower fixing piece, 2-upper fixing piece, 3-support, 4-sliding seat, 5-fastening bolt, 6-gear shaft support, 7-hand wheel, 8-T-shaped groove, 9-T-shaped sliding block, 10-rack, 11-limiting block, 12-gear shaft, 13-motor support, 14-motor, 15-tapping knife, 16-chip groove and 17-blade bolt.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 to 4

The utility model provides a welded tube cutting round hole device, including lower stationary blade 1, upper fixing piece 2, support 3, slide 4, fastening bolt 5, tooth axle support 6, hand wheel 7,T type groove 8,T type slider 9, rack 10, stopper 11, tooth axle 12, motor support 13, motor 14, trompil sword 15, chip groove 16 and blade bolt 17, lower stationary blade 1 upper end be provided with upper fixing piece 2, and lower stationary blade 1 passes through fastening bolt 5 fixed connection with upper fixing piece 2; the inner sides of the lower fixing piece 1 and the upper fixing piece 2 are arranged in a semicircle shape.

In the embodiment, a bracket 3 is fixedly installed at the upper end of the upper fixing sheet 2, and a sliding seat 4 is fixedly installed at one end of the bracket 3 far away from the upper fixing sheet 2; and a T-shaped groove 8 is formed in the inner side of the sliding seat 4.

In this embodiment, the T-shaped slider 9 is slidably mounted in the T-shaped groove 8; one side of the T-shaped sliding block 9 is fixedly provided with a rack 10 through a bolt; the upper ends of two sides of the sliding seat 4 are fixedly provided with a gear shaft bracket 6, and the inner side of the gear shaft bracket 6 is provided with a gear shaft 12; one end of the gear shaft 12 is movably connected with the gear shaft bracket 6 through a bearing, and the other end of the gear shaft 12 passes through the gear shaft bracket 6 and is fixedly connected with the hand wheel 7; the hand wheel 7 is arranged on the outer side of the gear shaft bracket 6; the gear shaft 12 is engaged with the rack 10.

In this embodiment, the upper end of the rack 10 is fixedly provided with a limit block 11; the lower end of the T-shaped sliding block 9 is provided with a motor 14, and the motor 14 is fixedly arranged on one side of the T-shaped sliding block 9 through a motor bracket 13; an output shaft of the motor 14 is fixedly provided with a tapping knife 15 through a blade bolt 17; a plurality of chip grooves 16 are formed on one side of the tapping knife 15.

Principle of operation

In the utility model, when in use, the lower fixing piece 1 and the upper fixing piece 2 are fixedly arranged outside the steel pipe through the fastening bolt 5 by arranging the lower fixing piece 1 and the upper fixing piece 2, so that the cutting device is coaxial with the central line of the steel pipe, the occurrence of deviation cutting is avoided, the installation is more convenient, the use is more convenient, and the cutting circular hole device is widely applied; through the arrangement of the T-shaped groove 8 in the sliding seat 4, the T-shaped sliding block 9 rotates the hand wheel 7 under the matching of the gear shaft 12 and the rack 10 to enable the T-shaped sliding block 9 to move up and down in the T-shaped groove 8, so that the problem of deviation from the center during hole cutting is avoided, and meanwhile, the practicability of the equipment is improved; the tapping knife 15 is installed at the lower end of an output shaft of the motor 14 through a blade bolt 17, a chip groove 16 is formed in one side of the tapping knife 15, the tapping knife 15 can be replaced when holes with different sizes are cut, the use is more convenient, and the chip groove 16 prevents the phenomenon of knife clamping.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a welded tube cutting round hole device which characterized in that: the device comprises a lower fixing piece (1), an upper fixing piece (2), a support (3), a sliding seat (4), a fastening bolt (5), a gear shaft support (6), a hand wheel (7), a T-shaped groove (8), a T-shaped sliding block (9), a rack (10), a limiting block (11), a gear shaft (12), a motor support (13), a motor (14), a hole opening cutter (15), a chip discharge groove (16) and a blade bolt (17), wherein the upper fixing piece (2) is arranged at the upper end of the lower fixing piece (1), and the lower fixing piece (1) is fixedly connected with the upper fixing piece (2) through the fastening bolt (5); the inner sides of the lower fixing piece (1) and the upper fixing piece (2) are arranged in a semicircle shape.

2. A welded tube round hole cutting device as claimed in claim 1, wherein: a support (3) is fixedly arranged at the upper end of the upper fixing piece (2), and a sliding seat (4) is fixedly arranged at one end of the support (3) far away from the upper fixing piece (2); the inner side of the sliding seat (4) is provided with a T-shaped groove (8).

3. A welded tube round hole cutting device as claimed in claim 2, wherein: the T-shaped sliding block (9) is arranged in the T-shaped groove (8) in a sliding manner; one side of the T-shaped sliding block (9) is fixedly provided with a rack (10) through a bolt; the upper ends of two sides of the sliding seat (4) are fixedly provided with gear shaft brackets (6), and the inner sides of the gear shaft brackets (6) are provided with gear shafts (12); one end of the gear shaft (12) is movably connected with the gear shaft bracket (6) through a bearing, and the other end of the gear shaft (12) penetrates through the gear shaft bracket (6) to be fixedly connected with the hand wheel (7); the hand wheel (7) is arranged on the outer side of the gear shaft bracket (6); the gear shaft (12) is meshed with the rack (10).

4. A welded tube round hole cutting device as claimed in claim 3, wherein: the upper end of the rack (10) is fixedly provided with a limiting block (11); the lower end of the T-shaped sliding block (9) is provided with a motor (14), and the motor (14) is fixedly arranged on one side of the T-shaped sliding block (9) through a motor bracket (13); an output shaft of the motor (14) is fixedly provided with a tapping knife (15) through a blade bolt (17); a plurality of chip grooves (16) are formed in one side of the tapping knife (15).