CN214078642U - Drawing type fixed angle pipe bender - Google Patents

Abstract

The utility model discloses a drawing type fixed-angle pipe bender, which comprises an operating platform, a pipe bending driving motor and a speed reducer, wherein a pipe bending working head in transmission connection with the speed reducer is arranged above the operating platform, a pipe bending angle mark is arranged on the operating platform around the pipe bending working head, a pipe bending limiting wheel is movably arranged at the side part of the pipe bending working head, and an operating switch is also arranged on the operating platform; the bending angle of the steel pipe can be adjusted by controlling the rotation angle of the elbow driving motor, the fixed-angle bending of the steel pipe is realized, the distance between the elbow limiting wheel and the elbow working head can be adjusted by the elbow limiting wheel, so that the bending use of the steel pipes with different diameters is met, the bending angle of the steel pipe can be visually known through the elbow angle identification, the end part of the steel pipe can be fixed while the elbow is implemented by the elbow working head, the straight pipe section formed by the bent steel pipe is short, secondary cutting treatment is not needed, and the working efficiency is improved.

Description

Drawing type fixed angle pipe bender

Technical Field

The utility model relates to a pipe fitting installation preliminary treatment technical field especially relates to a draw formula fixed angle bending machine.

Background

In the construction process of industrial projects, particularly in the field of chemical projects, conveying pipelines of various specifications are often required to be installed in a staggered mode, so that bending of steel pipes is one of indispensable operation projects, and at present, the common pipe bending methods include manual bending and pipe bender bending. The manual bending needs workers to heat the steel pipe by using flame and then bend the steel pipe by using strong force, so that the manual bending is only suitable for bending some small-diameter steel pipes, the bent steel pipe is easy to deform in diameter at the bent pipe position due to uneven heating, the appearance is poor in attractiveness, time and labor are wasted, the working strength is high, and the efficiency is low; the equipment for realizing bent pipe forming by using the pipe bender is generally a hydraulic pipe bender, which is flexible and convenient, but has the following two disadvantages: (1) the end part of the bent pipe is provided with a longer straight pipe section, so that the mounting requirement of the steel pipe can not be met after the pipe is bent and formed, and the straight pipe section is required to be shortened; (2) the bending angle of the steel pipe is not easy to control, so that the angle of the finally formed bent pipe is not accurate enough. It is therefore desirable to design a new type of pipe bending apparatus to eliminate the above technical drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can buckle the steel pipe of the different diameters of type is provided, also can adjust the return bend radius simultaneously, and the return bend straight tube section after the shaping is short, need not the drawing formula fixed angle bending machine of secondary operation.

In order to solve the technical problem, the technical scheme of the utility model is that: draw formula fixed angle bending machine, including the operation panel, return bend driving motor is installed to the operation panel bottom, return bend driving motor transmission is connected with the speed reducer, the power output shaft of speed reducer runs through the operation panel rotates the setting, is located the top of operation panel is equipped with can dismantle the suit in the last return bend working head of the power output shaft of speed reducer, center on the operation panel the return bend angle sign has been arranged to the return bend working head, is located the lateral part of return bend working head is still movable mounting has the spacing wheel of at least one return bend, the spacing wheel movable mounting of return bend in on the operation panel, still install on the operation panel and be used for control return bend driving motor operating condition's operating switch.

As preferred technical scheme, the bent pipe work head includes the return bend clamp plate, the working end of return bend clamp plate sets up to semicircular return bend arc end, the power output shaft of speed reducer runs through the center setting of return bend arc end, at least the return bend clamp plate orientation the lateral wall of the spacing wheel of return bend with the lateral wall of return bend arc end is equipped with return bend arc groove respectively, the return bend clamp plate is kept away from the one end of return bend arc end is equipped with pipe fitting locking device, just pipe fitting locking device locates the return bend clamp plate orientation one side of the spacing wheel of return bend.

As the preferred technical scheme, the pipe fitting locking device comprises a locking plate fixedly connected to the side wall of the elbow pressing plate, and a locking bolt is detachably mounted through the locking plate.

As a preferred technical solution, the elbow angle mark at least includes a 0 ° scale mark, a 45 ° scale mark, a 90 ° scale mark, a 135 ° scale mark, and a 180 ° scale mark.

According to the preferable technical scheme, an adjusting long hole penetrates through the operating platform, a locking stud is sleeved in the adjusting long hole, the bent pipe limiting wheel is rotatably sleeved on the periphery of the locking stud, and a locking nut matched with the locking stud is oppositely arranged on the locking stud.

As an improvement to the technical scheme, the periphery of the bent pipe limiting wheel is provided with a limiting ring groove.

Due to the adoption of the technical scheme, the drawing type fixed-angle pipe bender comprises an operation table, wherein a pipe bending driving motor is mounted at the bottom end of the operation table, the pipe bending driving motor is in transmission connection with a speed reducer, a power output shaft of the speed reducer penetrates through the operation table to be rotatably arranged, a pipe bending working head detachably sleeved on the power output shaft of the speed reducer is arranged above the operation table, a pipe bending angle mark is arranged on the operation table around the pipe bending working head, at least one pipe bending limiting wheel is movably mounted on the side part of the pipe bending working head, the pipe bending limiting wheel is movably mounted on the operation table, and an operation switch for controlling the working state of the pipe bending driving motor is further mounted on the operation table; the utility model discloses following beneficial effect has: the bending angle of the steel pipe can be adjusted, fixed-angle bending of the steel pipe is achieved, the limiting wheel of the bent pipe is movably mounted, the distance between the limiting wheel and the bent pipe working head can be adjusted, the bending angle of the steel pipe can be visually known through bent pipe angle identification, the adjusting is simple, the use is convenient, the bent pipe working head can fix the end portion of the steel pipe when the bent pipe is implemented, the straight pipe section formed by the bent steel pipe is short, secondary cutting processing is not needed, and the working efficiency is improved.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

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

fig. 2 is a top view of an embodiment of the invention;

FIG. 3 is a side view of a pipe bending head according to an embodiment of the present invention;

in the figure: 1-an operation table; 2-a bent pipe driving motor; 3, a speed reducer; 4-bending the working head; 41-bent pipe pressing plate; 42-bent pipe arc end; 43-bent pipe arc groove; 44-a locking plate; 45-locking bolts; 5-marking the angle of the bent pipe; 6-bent pipe limiting wheel; 7-operating a switch; 8-adjusting the long hole; 9-locking the stud; 10-locking a nut; 11-a limiting ring groove; 12-steel pipe.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1 and 2, the drawing type fixed-angle pipe bender comprises an operating platform 1, wherein the operating platform 1 is provided with a platform surface and supporting legs for raising the operating height, so that a worker can stand for operation conveniently. Elbow driving motor 2 is installed to 1 bottom of operation panel, elbow driving motor 2 transmission is connected with speed reducer 3, the power output shaft of speed reducer 3 runs through operation panel 1 rotates the setting. Elbow pipe driving motor 2 with realize power transmission through the gear of intermeshing between the speed reducer 3, and power transmission part locates the bottom of mesa helps improving the operational safety.

In this embodiment, a pipe bending working head 4 detachably sleeved on the power output shaft of the speed reducer 3 is arranged above the operating platform 1, a pipe bending angle mark 5 is arranged on the operating platform 1 around the pipe bending working head 4, and at least one pipe bending limiting wheel 6 is movably mounted on the side portion of the pipe bending working head 4. When carrying out the return bend, the steel pipe 12 of being bent system is located the return bend worker head 4 with between the spacing wheel 6 of return bend, return bend driving motor 2 with speed reducer 3 cooperation, drive the return bend worker head 4 rotates under the spacing cooperation of the spacing wheel 6 of return bend, return bend worker head 4 is with the shaping of bending of steel pipe 12. The corresponding elbow working heads 4 can be configured according to different diameters of the steel pipes 12, and the corresponding elbow working heads 4 can be replaced according to actual working requirements when the elbow working heads are used.

Specifically, the elbow working head 4 includes return bend clamp plate 41, the working end of return bend clamp plate 41 sets up to semicircular return bend arc end 42, the power output shaft of speed reducer 3 runs through the center setting of return bend arc end 42, at least return bend clamp plate 41 orientation the lateral wall of the spacing wheel 6 of return bend with the lateral wall of return bend arc end 42 is equipped with return bend arc groove 43 respectively, return bend clamp plate 41 is kept away from the one end of return bend arc end 42 is equipped with pipe fitting locking device, just pipe fitting locking device locates return bend clamp plate 41 orientation one side of the spacing wheel 6 of return bend. When the steel pipe 12 is bent, the end part of the steel pipe 12 is inserted into the pipe fitting locking device and locked and fixed, and the pipe fitting bending is performed by starting the pipe bending driving motor 2.

In this embodiment, the pipe locking device includes a locking plate 44 fixedly connected to the side wall of the elbow pressing plate 41, and a locking bolt 45 is detachably installed to penetrate through the locking plate 44. The locking bolt 45 is detached, one end of the steel pipe 12 to be bent is inserted into the bent pipe arc groove 43 between the locking plate 44 and the bent pipe pressing plate 41, the locking bolt 45 is reset, and the inner end of the locking bolt tightly abuts against the surface of the steel pipe 12, so that the end part of the steel pipe 12 is positioned and locked. By adjusting the length of the steel pipe 12 extending out of the locking plate 44, the length of the bent straight pipe section of the steel pipe 12 can be adjusted to meet the installation and use requirements of the steel pipe 12.

In this embodiment, the elbow angle indicator 5 at least includes 0 ° scale mark, 45 ° scale mark, 90 ° scale mark, 135 ° scale mark, and 180 ° scale mark. The steel pipe can be bent at the fixed angle by adjusting the rotation angle of the bent pipe driving motor 2. However, the bending angle of the steel pipe in the present embodiment is not limited to the above-mentioned fixed value, and the specific data of the angle can be appropriately adjusted according to the use requirement.

The bent pipe limiting wheel 6 is movably mounted on the operating platform 1, an operating switch 7 used for controlling the working state of the bent pipe driving motor 2 is further mounted on the operating platform 1, and the start and stop of the bent pipe driving motor 2 can be controlled through the operating switch 7, so that the start and stop of bending of the steel pipe 12 are controlled.

An adjusting long hole 8 is formed in the operating platform 1 in a penetrating mode, a locking stud 9 is sleeved in the adjusting long hole 8, the bent pipe limiting wheel 6 is rotatably sleeved on the periphery of the locking stud 9 in a sleeved mode, and a locking nut 10 matched with the locking stud 9 in use is arranged on the locking stud 9 in a relative mode. The distance between the locking stud 9 and the bent pipe pressing plate 41 can be adjusted by adjusting the position of the locking stud 9 in the adjusting long hole 8, so that the bending of steel pipes 12 with different diameters can be met. In this embodiment, the two elbow limiting wheels 6 are installed on the operating platform 1, and correspondingly, the two adjusting long holes 8 are arranged on the operating platform 1 in parallel to improve the limiting strength of the steel pipe 12. As shown in fig. 3, the limiting ring groove 11 is formed in the periphery of the elbow limiting wheel 6, and is matched with the elbow arc groove 43, so that the steel pipe 12 is fixed, and smooth implementation of bending the steel pipe 12 is ensured.

Through the cooperation of above-mentioned each part, make this embodiment have following advantage:

1. by controlling the rotation angle of the elbow driving motor 2, the steel pipe can be accurately bent at various angles.

2. By adjusting the distance between the bent pipe pressing plate 41 and the bent pipe limiting wheel 6, steel pipes with various diameters can be bent, and the adjustment is simple and convenient.

3. Different bend pipe radius adjustments can also be realized by replacing the bend pipe working head 4.

4. When the steel pipe is bent, the end part of the steel pipe is inserted between the bent pipe pressing plate 41 and the locking plate 44, and the length of the straight pipe section at the end part of the steel pipe is effectively shortened and controlled by adjusting the extension length of the end part of the steel pipe.

5. The whole structure is simple, the operation is convenient and reliable, and the device is safe, economical and practical.

The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. Draw formula fixed angle bending machine, including the operation panel, its characterized in that: elbow driving motor is installed to the operation panel bottom, elbow driving motor transmission is connected with the speed reducer, the power output shaft of speed reducer runs through the operation panel rotates the setting, is located the top of operation panel is equipped with can dismantle the suit in the last return bend working head of the power output shaft of speed reducer, center on the operation panel the return bend angle sign has been arranged to the return bend working head, is located the lateral part of return bend working head is the spacing wheel of at least one return bend still movable mounting, the spacing wheel movable mounting of return bend in on the operation panel, still install on the operation panel and be used for control return bend driving motor operating condition's operating switch.

2. The drawn pipe bender according to claim 1, wherein: the elbow working head comprises an elbow pressing plate, the working end of the elbow pressing plate is arranged to be a semicircular elbow arc end, a power output shaft of the speed reducer runs through the center of the elbow arc end, at least, the elbow pressing plate faces towards the side wall of the elbow limiting wheel and the side wall of the elbow arc end are respectively provided with an elbow arc groove, the elbow pressing plate is far away from one end of the elbow arc end is provided with a pipe fitting locking device, and the pipe fitting locking device is arranged on the elbow pressing plate faces towards one side of the elbow limiting wheel.

3. The drawn pipe bender according to claim 2, wherein: the pipe fitting locking device comprises a locking plate fixedly connected to the side wall of the bent pipe pressing plate, and a locking bolt is detachably mounted on the locking plate in a penetrating mode.

4. The drawn pipe bender according to claim 1, wherein: the elbow angle marks at least comprise 0-degree scale mark, 45-degree scale mark, 90-degree scale mark, 135-degree scale mark and 180-degree scale mark.

5. The drawn pipe bender according to claim 1, wherein: an adjusting long hole penetrates through the operating platform, a locking stud is sleeved in the adjusting long hole, the bent pipe limiting wheel is rotatably sleeved on the periphery of the locking stud, and a locking nut matched with the locking stud is oppositely arranged on the locking stud.

6. The drawn pipe bender according to claim 5, wherein: and a limiting ring groove is formed in the periphery of the bent pipe limiting wheel.

Images