阅读说明：本技术 一种薄壁钢管防变形切割装置 (Thin-wall steel pipe anti-deformation cutting device ) 是由 张佳明 于 2021-08-05 设计创作，主要内容包括：本发明提供一种薄壁钢管防变形切割装置,涉及金属材料加工领域。该薄壁钢管防变形切割装置,包括支撑板和电机,所述电机固定安装在支撑板的侧方,支撑板的侧面固定安装有动力机构,动力机构的外表面套接有旋转机构,旋转机构的外表面套接有支撑套,支撑套与支撑板固定连接,旋转机构的前端螺纹连接有切割机构。该薄壁钢管防变形切割装置,在棘齿套和插棍的传动,配合螺纹套筒驱动连接杆旋转并移动,从而通过凸台块挤压切割刀使得切割刀向外侧延伸并旋转,从而能够从内部对薄壁钢管进行切割,从而能够改变薄壁钢管切割点的位置以及改变切割点的受力方向,并配合外箍套支撑,最终能够避免切割过程中薄壁钢管变形的问题。(The invention provides a thin-wall steel pipe anti-deformation cutting device, and relates to the field of metal material processing. The anti-deformation cutting device for the thin-wall steel pipe comprises a supporting plate and a motor, wherein the motor is fixedly installed on the side of the supporting plate, a power mechanism is fixedly installed on the side face of the supporting plate, a rotating mechanism is sleeved on the outer surface of the power mechanism, a supporting sleeve is sleeved on the outer surface of the rotating mechanism, the supporting sleeve is fixedly connected with the supporting plate, and a cutting mechanism is in threaded connection with the front end of the rotating mechanism. This thin wall steel pipe preapre for an unfavorable turn of events shape cutting device, at the ratchet cover with insert the transmission of rod, cooperation screw sleeve drive connecting rod is rotatory and remove to make the cutting knife extend and rotate to the outside through boss piece extrusion cutting knife, thereby can cut the thin wall steel pipe from inside, thereby can change the position of thin wall steel pipe cutting point and change the atress direction of cutting point, and cooperate the outer hoop cover to support, finally can avoid the problem that the thin wall steel pipe warp among the cutting process.)

1. The utility model provides a thin wall steel pipe preapre for an unfavorable turn of events shape cutting device, includes backup pad (1) and motor (3), its characterized in that: the motor (3) is fixedly arranged on the side of the supporting plate (1), the power mechanism (5) is fixedly arranged on the side face of the supporting plate (1), the rotating mechanism (6) is sleeved on the outer surface of the power mechanism (5), the supporting sleeve (7) is sleeved on the outer surface of the rotating mechanism (6), the supporting sleeve (7) is fixedly connected with the supporting plate (1), and the cutting mechanism (8) is in threaded connection with the front end of the rotating mechanism (6);

the power mechanism (5) comprises a fixed sleeve (501), the fixed sleeve (501) is fixedly mounted on the side wall of the support plate (1), a spring plate (502) is fixedly mounted inside the fixed sleeve (501), a telescopic sleeve (503) is fixedly mounted on the inner ring of the spring plate (502), the telescopic sleeve (503) is rotatably connected with the fixed sleeve (501), a sliding rod (504) is slidably connected inside the telescopic sleeve (503), a threaded groove (505) is formed in the outer surface of the sliding rod (504) located on the fixed sleeve (501), a threaded sleeve (506) is connected with the outer surface of the threaded groove (505) in a threaded manner, the threaded sleeve (506) is fixedly connected with the support plate (1), a connecting shaft (507) is fixedly mounted at one end, away from the telescopic sleeve (503), of the sliding rod (504), a ratchet sleeve (508) meshed with the outer surface of the connecting shaft (507), the ratchet sleeve (508) is rotatably connected with the connecting shaft (507), and a through hole (509) is formed in the end surface of the ratchet sleeve (508);

the edge of the rotating mechanism (6) is covered by the edge sleeve (601), the edge sleeve (601) is fixedly installed on the upper surface of the supporting plate (1), a connecting sleeve (602) is rotatably connected inside the edge sleeve (601), a connecting shaft (507) is rotatably connected inside the connecting sleeve (602), a toothed ring (603) is fixedly installed on the outer surface of the connecting sleeve (602), an inserting stick (604) is fixedly installed on the end surface of the toothed ring (603), the inserting stick (604) is slidably connected inside the through hole (509), a gear (605) is fixedly installed at the output end of the motor (3), and the gear (605) is meshed with the toothed ring (603);

cutting mechanism (8) are including end sleeve (801), end sleeve (801) and adapter sleeve (602) threaded connection, the inside rotation of end sleeve (801) is connected with end shaft (802), the one end of end shaft (802) with be connected joint other end fixed mounting have boss piece (803), the surface sliding connection of boss piece (803) has cutting cover (804), cutting cover (804) rotate with end sleeve (801) and are connected, the inside sliding connection of cutting cover (804) has cutting knife (805), cutting knife (805) extend to the surface of cutting cover (804), cutting knife (805) and boss piece (803) contact, through reset spring (806) fixed connection between cutting cover (804) and cutting knife (805).

2. The thin-walled steel tube deformation-preventing cutting device of claim 1, which is characterized in that: threaded connection has between end sleeve (801) and adapter sleeve (602) and extends sleeve (10), and the inside rotation that extends sleeve (10) is connected with and extends axle (11), and the one end and connecting axle (507) joint other end and end axle (802) joint of extending axle (11).

3. The thin-walled steel tube deformation-preventing cutting device according to claim 1 or 2, characterized in that: connecting groove (12) have been seted up to the lateral wall of adapter sleeve (602), extension sleeve (10) and end sleeve (801), and the inside sliding connection of connecting groove (12) has connecting rod (14).

4. The thin-walled steel tube deformation-preventing cutting device of claim 2, which is characterized in that: the one end of extending axle (11) is seted up joint groove (9) other end fixed mounting and is had joint piece (13), and the link in connecting axle (507) is seted up simultaneously in joint groove (9), and joint piece (13) fixed mounting is at the link of end axle (802) simultaneously.

5. The thin-walled steel tube deformation-preventing cutting device of claim 1, which is characterized in that: the cross section of the insertion stick (604) is Z-shaped, and the diameter of the insertion stick (604) is smaller than the inner diameter of the through hole (509).

6. The thin-walled steel tube deformation-preventing cutting device of claim 1, which is characterized in that: the upper surface of the supporting plate (1) is provided with a sliding groove (4), and the inside of the sliding groove (4) is connected with an outer hoop sleeve (2) in a sliding manner.

Technical Field

The invention relates to the technical field of metal material processing, in particular to a thin-wall steel pipe deformation-preventing cutting device.

Background

A steel pipe having a larger ratio of the outer diameter to the wall thickness is called a thin-walled steel pipe. The thin-wall steel pipes are all formed by cold drawing. Wherein the carbon steel, low alloy steel and alloy steel thin-wall pipe is suitable for general structures and mechanical structural parts; the thin-wall fluid steel pipe is used for conveying general fluid; the stainless steel thin-wall pipe is used for industrial heat-resistant containers, conveying pipelines and mechanical structural parts, such as chemical engineering, petroleum, light industry, food, mechanical instruments and the like.

In the prior art, a radial force is required to be applied to the thin-wall steel pipe by a cutting device in the cutting process of the thin-wall steel pipe, the cutting mechanism can be in contact with the thin-wall steel pipe by the radial force, and meanwhile, the thin-wall steel pipe can be extruded to deform by the radial force.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a thin-wall steel pipe deformation-preventing cutting device, which solves the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: a thin-walled steel pipe anti-deformation cutting device comprises a supporting plate and a motor, wherein the motor is fixedly arranged on the side of the supporting plate, a power mechanism is fixedly arranged on the side face of the supporting plate, a rotating mechanism is sleeved on the outer surface of the power mechanism, a supporting sleeve is sleeved on the outer surface of the rotating mechanism and is fixedly connected with the supporting plate, a cutting mechanism is in threaded connection with the front end of the rotating mechanism, the power mechanism comprises a fixing sleeve, the fixing sleeve is fixedly arranged on the side wall of the supporting plate, a spring piece is fixedly arranged inside the fixing sleeve, an inner ring of the spring piece is fixedly provided with a telescopic sleeve, the telescopic sleeve is rotatably connected with the fixing sleeve, a sliding rod is slidably connected inside the telescopic sleeve, a threaded groove is formed in the outer surface of the fixing sleeve, a threaded sleeve is in threaded connection with the outer surface of the threaded groove, the threaded sleeve is fixedly connected with the supporting plate, and a connecting shaft is fixedly arranged at one end, far away from the telescopic sleeve, of the sliding rod, the outer surface of the connecting shaft is meshed with a ratchet sleeve, the ratchet sleeve is rotationally connected with the connecting shaft, a through hole is formed in the end face of the ratchet sleeve, the rotating mechanism is covered with an edge sleeve, the edge sleeve is fixedly arranged on the upper surface of the supporting plate, the inside of the edge sleeve is rotationally connected with a connecting sleeve, the connecting shaft is rotationally connected with the inside of the connecting sleeve, a gear ring is fixedly arranged on the outer surface of the connecting sleeve, an inserting stick is fixedly arranged on the end face of the gear ring and is slidably connected with the inside of the through hole, a gear is fixedly arranged at the output end of the motor and is meshed with the gear ring, the cutting mechanism comprises an end sleeve, the end sleeve is in threaded connection with the connecting sleeve, an end shaft is rotationally connected with the inside of the end sleeve, a boss block is fixedly arranged at one end of the end shaft and at the other end of the connecting joint, a cutting sleeve is slidably connected with the outer surface of the boss block, the cutting sleeve is rotationally connected with the end sleeve, and a cutting knife is slidably connected with the inside of the cutting sleeve, the cutting knife extends to the outer surface of the cutting sleeve, the cutting knife is in contact with the boss block, and the cutting sleeve is fixedly connected with the cutting knife through the reset spring.

Preferably, threaded connection has the extension sleeve between end sleeve and the adapter sleeve, and the inside rotation that extends the sleeve is connected with the extension axle, and the one end and the connecting axle joint other end and the end axle joint of extension axle.

Preferably, the connecting sleeve, the extending sleeve and the end sleeve are provided with connecting grooves, and the connecting rods are slidably connected inside the connecting grooves.

Preferably, the one end of extending the axle is seted up joint groove other end fixed mounting and is had the joint piece, and the joint groove is seted up simultaneously at the link of connecting axle, and joint piece fixed mounting is at the link of end axle simultaneously.

Preferably, the cross section of the insertion stick is Z-shaped, and the diameter of the insertion stick is smaller than the inner diameter of the through hole.

Preferably, the upper surface of the supporting plate is provided with a sliding groove, and the inside of the sliding groove is slidably connected with an outer hoop sleeve.

The invention has the following beneficial effects:

1. this thin wall steel pipe preapre for an unfavorable turn of events shape cutting device, at the ratchet cover with insert the transmission of rod, cooperation screw sleeve drive connecting rod is rotatory and remove to make the cutting knife extend and rotate to the outside through boss piece extrusion cutting knife, thereby can cut the thin wall steel pipe from inside, thereby can change the position of thin wall steel pipe cutting point and change the atress direction of cutting point, and cooperate the outer hoop cover to support, finally can avoid the problem that the thin wall steel pipe warp among the cutting process.

2. This thin wall steel pipe preapre for an unfavorable turn of events shape cutting device, cup joint at the adapter sleeve that is connected through the thin wall steel pipe, extend sleeve and end sleeve's surface, through sliding outer hoop, make outer hoop and cutting knife coincidence, the starter motor, can drive the adapter sleeve through the cooperation of gear and ring gear, it is rotatory to extend sleeve and end sleeve, and the thin wall steel pipe takes place slow rotation and cutting knife rotation production differential under the effect of frictional force, can make the inner wall contact position of cutting knife and thin wall steel pipe more random, thereby can reach better cutting effect.

3. This thin wall steel pipe preapre for an unfavorable turn of events shape cutting device is in the same place through setting up the adapter sleeve, extending sleeve and end sleeve threaded connection to make through the sliding connection pole to connect stably, the control changes the position that extends telescopic length and makes the cutting knife of reprinting, and then can the different length of adaptation cutting requirement.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection of the support plates of the present invention;

FIG. 3 is a schematic view of a power mechanism according to the present invention;

FIG. 4 is a schematic view of a rotating mechanism according to the present invention;

FIG. 5 is a schematic view of a cutting mechanism according to the present invention;

FIG. 6 is a schematic view of an extension sleeve connection according to the present invention.

Wherein, the support plate-1, the outer hoop sleeve-2, the motor-3, the sliding groove-4, the power mechanism-5, the rotating mechanism-6, the support sleeve-7, the cutting mechanism-8, the clamping groove-9, the extension sleeve-10, the extension shaft-11, the connection groove-12, the clamping block-13, the connection rod-14, the fixed sleeve-501, the spring plate-502, the telescopic sleeve-503, the sliding rod-504, the thread groove-505, the thread sleeve-506, the connection shaft-507, the ratchet sleeve-508, the through hole-509, the side sleeve-601, the connection sleeve-602, the gear ring-603, the inserted stick-604, the gear-605, the end sleeve-801, the end shaft-802, the boss block-803, the cutting sleeve-804, the cutting knife-805, Return spring-806.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention provides an anti-deformation cutting device for a thin-wall steel pipe, which comprises the following components:

in the first embodiment, as shown in fig. 1 to 6, the support plate comprises a support plate 1 and a motor 3, the motor 3 is fixedly installed on the side of the support plate 1, a sliding groove 4 is formed in the upper surface of the support plate 1, an outer hoop 2 is slidably connected to the inside of the sliding groove 4, and deformation of the thin-walled steel tube can be better avoided by arranging the outer hoop 2 on the outside.

The side fixed mounting of backup pad 1 has power unit 5, power unit 5's surface has cup jointed rotary mechanism 6, rotary mechanism 6's surface has cup jointed and has supported cover 7, support cover 7 and backup pad 1 fixed connection, rotary mechanism 6's front end threaded connection has cutting mechanism 8, power unit 5 includes fixed cover 501, fixed cover 501 fixed mounting is at the lateral wall of backup pad 1, the inside fixed mounting of fixed cover 501 has spring leaf 502, spring leaf 502 plays the effect that resets, the inner circle fixed mounting of spring leaf 502 has flexible cover 503, flexible cover 503 rotates with fixed cover 501 to be connected, the inside sliding connection of flexible cover 503 has slide bar 504, the inside one end cross-sectional shape that slide bar 504 is located flexible cover 503 is square, the outside one end cross-sectional shape that is located flexible cover 503 is circular.

The outer surface of the sliding rod 504 located on the fixed sleeve 501 is provided with a threaded groove 505, the outer surface of the threaded groove 505 is connected with a threaded sleeve 506 in a threaded manner, the threaded sleeve 506 is fixedly connected with the support plate 1, one end of the sliding rod 504 far away from the telescopic sleeve 503 is fixedly provided with a connecting shaft 507, a ratchet sleeve 508 meshed with the outer surface of the connecting shaft 507 is fixedly provided with a ratchet, the ratchet is meshed with the ratchet sleeve 508 in a one-way manner, the ratchet sleeve 508 is rotatably connected with the connecting shaft 507, a through hole 509 is formed in the end face of the ratchet sleeve 508, the rotating mechanism 6 is covered with an edge sleeve 601, the edge sleeve 601 is fixedly arranged on the upper surface of the support plate 1, the inner part of the edge sleeve 601 is rotatably connected with a connecting sleeve 602, the connecting shaft 507 is rotatably connected inside the connecting sleeve 602, and the outer surface of the connecting sleeve 602 is fixedly provided with a toothed ring 603.

The insertion rod 604 is fixedly attached to the end surface of the ring gear 603, the insertion rod 604 is slidably connected to the inside of the through hole 509, the insertion rod 604 has a Z-shaped cross section, and the insertion rod 604 has a diameter smaller than the inner diameter of the through hole 509, so that a space can be reserved for the sliding of the ratchet sleeve 508.

Can drive ratchet cover 508 rotatory through obtaining setting up like this, motor 3's output fixed mounting has gear 605, gear 605 meshes with ring gear 603, cutting mechanism 8 includes end sleeve 801, end sleeve 801 and adapter sleeve 602 threaded connection, threaded connection has extension sleeve 10 between end sleeve 801 and the adapter sleeve 602, the inside rotation of extension sleeve 10 is connected with extends axle 11, the one end and the connecting axle 507 joint other end and the end axle 802 joint of extending axle 11, can adapt the cutting demand of different length through such setting. The connecting sleeve 602, the extension sleeve 10 and the end sleeve 801 are provided with connecting grooves 12 on side walls thereof, and connecting rods 14 are slidably connected inside the connecting grooves 12, so that adjacent connecting rods 14 can be connected into a whole through the connecting rods 14. The one end of extending axle 11 is seted up 9 other end fixed mounting in joint groove and is had joint piece 13, and joint groove 9 sets up the link at connecting axle 507 simultaneously, and joint piece 13 is fixed mounting at the link of end axle 802 simultaneously, connects through magnet between joint piece 13 and the joint groove 9, can guarantee through such setting can synchronous motion.

End sleeve 801's inside is rotated and is connected with end shaft 802, end shaft 802's one end and the other end fixed mounting of connection joint have boss piece 803, boss piece 803 plays extruded effect, the outer surface sliding connection of boss piece 803 has cutting cover 804, cutting cover 804 rotates with end sleeve 801 to be connected, can inject like this that cutting cover 804 can not remove, the inside sliding connection of cutting cover 804 has cutting knife 805, cutting knife 805 extends to the outer surface of cutting cover 804, cutting knife 805 and the contact of boss piece 803, through reset spring 806 fixed connection between cutting cover 804 and the cutting knife 805.

When in use, the connecting sleeve 602, the extension sleeve 10 and the end sleeve 801 are connected together in a threaded manner, the connecting rod 14 is slid to enable the connection to be stable, the length of the extension sleeve 10 is controlled to change the position of the plate-changing cutting knife 805, so that cutting requirements of different lengths can be met, the thin-walled steel pipe is sleeved on the outer surfaces of the connected connecting sleeve 602, the extension sleeve 10 and the end sleeve 801, the outer hoop sleeve 2 and the cutting knife 805 are overlapped by sliding the outer hoop sleeve 2, the motor 3 is started, the connecting sleeve 602, the extension sleeve 10 and the end sleeve 801 can be driven to rotate through the matching of the gear 605 and the toothed ring 603, the thin-walled steel pipe is only contacted with the upper end of the connecting end sleeve 801, and the thin-walled steel pipe slowly rotates under the action of friction force, meanwhile, the ratchet sleeve 508 and the insertion rod 604 are driven to rotate and move in cooperation with the threaded sleeve 506, thereby extrude cutting knife 805 through boss piece 803 and make cutting knife 805 extend and rotate to the outside to can follow inside and cut the thin-walled steel pipe, thereby can change the position of thin-walled steel pipe cutting point and change the direction of force of cutting point, finally can avoid the problem that the thin-walled steel pipe warp among the cutting process, the cutting finishes motor 3 and closes, boss piece 803 can reset under the effect of spring leaf 502, and because the existence and the unidirectional engagement of ratchet cover 508, thereby avoid the rotation of adapter sleeve 602.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.