WO2022000414A1

WO2022000414A1 - Bending machine having conveniently replaceable bending die and capable of cutting corners

Info

Publication number: WO2022000414A1
Application number: PCT/CN2020/099908
Authority: WO
Inventors: 王圣阔; 王培全; 于义斌
Original assignee: 江苏新鼎新材料有限公司
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2022-01-06

Abstract

A bending machine having a conveniently replaceable bending die and capable of cutting corners. The bending machine comprises a machine case (1). Support feet (2) are fixedly mounted on the bottom of the machine case, protective sheaths (3) are fixedly mounted at the bottoms of outer sides of the support feet, a recess (4) is formed in the right side of the machine case, and a first bearing (5) is fixedly mounted inside the recess. By means of the arrangement of a bending die body (6) and a pipe slot (7), a pipe which needs to be bent is placed in the pipe slot, and the pipe is also placed on a limiting block (13). The rotation of an electric motor (10) drives a rotary rod (11) to rotate, and the rotary rod then drives the bending die body to rotate. At this time, the pipe bends along the pipe slot under the mutual acting force of the limiting block and a limiting post (15), thereby achieving the purpose of bending the pipe. By means of removing two bolts (12), restriction by a clamping block (8) on the bending die body is released, the bending die body is then removed from the rotary rod, and the bending die body is thus disassembled and can be replaced. Same is simple and convenient in terms of operation, and the purpose of conveniently replacing a bending die is achieved.

Description

A bending machine that is easy to change the bending die and can cut corners

technical field

The invention relates to the technical field of mechanical appliances, in particular to a bending machine which is convenient for changing bending dies and capable of cutting corners.

Background technique

Bending machines can be roughly divided into CNC bending machines, hydraulic bending machines, etc. The bending machine is mainly used to perform winding bending of one bending radius or two bending radii on the pipe body in a cold state by hydraulic pressure, which is widely used. Bending of various pipe fittings and wires in industries such as automobiles and air conditioners.

At present, there are many kinds of automatic adjustment devices for testing exercise balance ability on the market, with different shapes. For example, Chinese patent CN 104190759 B discloses a bending machine. It has the pressing state of pressing the workpiece on the bending plate and the loosening state of being separated from the workpiece, which reduces the labor intensity of the staff, but the bending machine has the defect that it is inconvenient to replace the bending die, and different materials have different Diameter or bending method, a fixed bending die obviously cannot adapt to different materials. If the bending die is inconvenient to replace, the work efficiency will be greatly reduced, and the bending machine does not have the function of cutting corners, and most of the pipes are bent After that, corner cutting is required. The bending machine without corner cutting function needs to frequently transport the pipe material to the corner cutting machine for corner cutting, which increases the manpower burden. Bending machine to solve the problems raised above.

SUMMARY OF THE INVENTION

(1) Technical problems solved

In view of the deficiencies of the prior art, the present invention provides a bending machine that is convenient to replace the bending die and can cut corners, which has the advantages of convenient replacement of the bending die and can cut corners, etc., and solves the inconvenient replacement of the bending machine. The defects of the mold, different materials have different diameters or bending methods, a fixed bending mold obviously cannot adapt to different materials, if the bending mold is not convenient to replace, it will greatly reduce the work efficiency, and the bending machine has no corner cutting However, most pipes need to be chamfered after being bent. The bending machine without chamfering function needs to frequently transport the pipe material to the chamfering machine for chamfering, which increases the problem of manpower burden.

(2) Technical solutions

In order to achieve the purpose of conveniently replacing the body of the bending die and cutting corners, the present invention provides the following technical solution: a bending machine that is convenient for replacing the bending die and can be cut corners, including a chassis, the bottom of the chassis is fixedly installed with feet, so A protective cover is fixedly installed on the bottom of the outer side of the support feet, a groove is formed on the right side of the chassis, and a first bearing is fixedly installed in the inside of the groove, and the inside of the first bearing is located on the right side of the first bearing. A bending die body is movably installed, a pipe groove is opened on the outer side of the bending die body, a clamping block is movably installed on the right side of the bending die body, and a through hole is opened on the right side of the bending die body and the clamping block, A motor is fixedly installed on the right side wall of the inner cavity of the case, and a rotating rod is fixedly installed at the output end of the motor. The right side of the clamping block is movably installed with two bolts, and the bolts near the end of the clamping block penetrate the clamping block and the bending die body and extend to the inside of the bending die body, and the bending die body A limit block is fixedly installed at the bottom of the box, a second bearing is fixedly installed on the right side of the chassis and located at the bottom of the bending die body, and a limit column is movably installed inside the second bearing and located on the right side of the second bearing, so A screw is movably installed inside the limiting column, a nut is movably mounted on the outside of the screw and located on the right side of the limiting column, a working slot is opened on the top of the chassis, and the bottom wall of the inner cavity of the working slot is fixedly installed There are two limit bars, the front of the limit bar is provided with a limit slot, the bottom wall of the inner cavity of the working slot is provided with a strip hole, and the bottom wall of the inner cavity of the working slot is located at the limit A protective shell is movably installed on the back of the strip, a circular electric saw is movably installed inside the protective shell, a hand push rod is fixedly installed on the left and right sides of the protective shell, and the left and right sides of the protective shell are fixedly installed There is a connecting rod, the end of the connecting rod away from the protective shell is movably installed with a roller, the bottom wall of the inner cavity of the working tank is provided with a roller groove located outside the roller, the left side of the chassis is fixedly installed with a water tank, and the chassis is On the left side of the water tank and on the top of the water tank, a water pump is fixedly installed, and a water pipe is fixedly installed on the top of the water tank. There are sprinklers.

Preferably, the number of the supporting feet is four, and the four supporting feet are evenly distributed on the bottom of the chassis, and the protective cover is a rubber cover.

Preferably, the outer diameter of the rotating rod matches the inner diameter of the through hole, the bending die body and the clamping block are both cylindrical, and the diameter of the clamping block is larger than the diameter of the bending die body.

Preferably, the limiting block is an L-shaped three-dimensional structure, and the pipe groove is a ring-shaped groove structure.

Preferably, the inner diameter of the second bearing is adapted to the outer diameter of the limiting column, and the outer diameter of the screw is adapted to the inner diameter of the nut.

Preferably, the included angle between the two limiting bars is 90 degrees, and the distance between the two limiting bars is greater than the width of the bar-shaped hole.

Preferably, the thickness of the circular electric saw is smaller than the width of the bar-shaped hole, and the protective shell is provided as a rectangular parallelepiped with a hollow interior and missing front and bottom surfaces.

Preferably, a protective cover is fixedly installed on the outer side of the hand push rod, and the size of the roller is adapted to the size of the roller groove.

Preferably, the spray head is located directly above the circular electric saw, and the two limit bars are symmetrically distributed on the left and right sides of the central axis of the chassis.

(3) Beneficial effects

Compared with the prior art, the present invention provides a bending machine that is convenient to replace the bending die and can cut corners, and has the following beneficial effects:

1. This bending machine that is easy to replace the bending die and can cut corners, through the setting of the bending die body and the pipe groove, put the pipe that needs to be bent into the pipe groove, and put it on the limit block at the same time. The rotation drives the rotating rod to rotate, and the rotating rod drives the bending die body to rotate. At this time, the pipe will be bent along the pipe groove under the interaction force of the limit block and the limit column, so as to achieve the purpose of bending the pipe. By removing the two bolts, the restriction of the clamping block on the bending die body is released, and then the bending die body can be removed from the rotating rod, and the bending die body can be disassembled for replacement. The operation is simple and fast, and the convenience The purpose of replacing the bending die.

2. This bending machine, which is easy to replace the bending die and can cut corners, puts the bent pipe into the limit slot through the setting of the limit bar and the limit groove, starts the circular saw, and the user pushes the The hand push rod makes the roller move in the roller groove, so that the circular saw moves along the strip hole to achieve the purpose of cutting the pipe. Spray the circular saw to cool down the circular saw and prevent the circular saw that is running at high speed for a long time from being damaged due to excessive temperature, thus ensuring that the bending machine can achieve corner cutting for a long time. operation to achieve the purpose of cutting corners.

Description of drawings

1 is a schematic structural diagram of a bending machine that is convenient to replace the bending die and can cut corners proposed by the present invention;

FIG. 2 is a top view of a bending machine that is convenient to replace the bending die and can cut corners proposed by the present invention;

FIG. 3 is a right side view of a bending machine that is convenient to replace the bending die and can cut corners according to the present invention.

In the picture: 1 chassis, 2 feet, 3 protective cover, 4 groove, 5 first bearing, 6 bending die body, 7 pipe groove, 8 clamping block, 9 through hole, 10 motor, 11 rotating rod, 12 bolt, 13 Limit block, 14 second bearing, 15 limit column, 16 screw rod, 17 nut, 18 working slot, 19 limit bar, 20 limit slot, 21 bar hole, 22 protective shell, 23 circular saw, 24 Hand push rod, 25 connecting rod, 26 roller, 27 roller groove, 28 water tank, 29 water pump, 30 water pipe, 31 nozzle.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figure 1-3, a bending machine that can easily replace the bending die and can cut corners, including a chassis 1, the bottom of the chassis 1 is fixedly installed with a supporting foot 2, the bottom of the outer side of the supporting foot 2 is fixedly installed with a protective cover 3, and the supporting foot 2 The number is four, and the four feet 2 are evenly distributed at the bottom of the chassis 1. The protective cover 3 is a rubber cover. The rubber has strong friction and can be used to increase the friction between the feet 2 and the ground to keep the machine stable. , the right side of the chassis 1 is provided with a groove 4, a first bearing 5 is fixedly installed inside the groove 4, and a bending die body 6 is movably installed inside the first bearing 5 and located on the right side of the first bearing 5, and the bending die The outer side of the body 6 is provided with a pipe groove 7, the right side of the bending die body 6 is movably installed with a clamping block 8, the right side of the bending die body 6 and the clamping block 8 are both provided with a through hole 9, and the right side wall of the inner cavity of the chassis 1 is provided. The motor 10 is fixedly installed. The model of the motor 10 can be Y80M1-2. The output end of the motor 10 is fixedly installed with a rotating rod 11. The outer diameter of the rotating rod 11 is adapted to the inner diameter of the through hole 9. The bending die body 6 and the clamp The blocks 8 are all cylinders, and the diameter of the clamping block 8 is larger than the diameter of the bending die body 6. The end of the rotating rod 11 away from the motor 10 penetrates the right side wall of the inner cavity of the chassis 1 and the through hole 9 and extends to the right side of the clamping block 8. The right side of the clamp block 8 is movably installed with two bolts 12, one end of the bolt 12 close to the clamp block 8 penetrates the clamp block 8 and the bending die body 6 and extends to the interior of the bending die body 6, and the bending die body 6 The bottom of the chassis 1 is fixedly installed with a limit block 13, the limit block 13 is an L-shaped three-dimensional structure, and the pipe groove 7 is a ring-shaped groove structure. , the limit post 15 is movably installed inside the second bearing 14 and located on the right side of the second bearing 14. Through the setting of the bending die body 6 and the pipe groove 7, the pipe to be bent is put into the pipe groove 7, and At the same time, it is placed on the limit block 13, the rotation of the motor 10 drives the rotating rod 11 to rotate, and the rotating rod 11 drives the bending die body 6 to rotate. Bend down along the pipe groove 7, so as to achieve the purpose of bending the pipe tool. By removing the two bolts 12, the restriction of the bending die body 6 by the clamping block 8 is released, and then the bending die body 6 is removed from the rotating rod 11. The bending die body 6 can be disassembled and replaced by removing it from the top. The operation is simple and fast, and the purpose of convenient replacement of the bending die is achieved. A screw rod 16 is movably installed inside the limit post 15, and the outer side of the screw rod 16 is located in the limit position. A nut 17 is movably installed on the right side of the column 15, the inner diameter of the second bearing 14 is adapted to the outer diameter of the limiting column 15, the outer diameter of the screw 16 is adapted to the inner diameter of the nut 17, and the top of the case 1 is provided with a working Slot 18, the bottom wall of the inner cavity of the working slot 18 is fixedly installed with two limit bars 19, the front side of the limit bar 19 is provided with a limit slot 20, and the bottom wall of the inner cavity of the working slot 18 is provided with a strip hole 21 , the angle between the two limit bars 19 is 90 degrees, and the distance between the two limit bars 19 is greater than the width of the bar hole 21 , the bottom wall of the inner cavity of the working groove 18 is located in the limit bar 19 There is a protective shell 22 installed on the back of the A circular electric saw 23 is movably installed inside the protective shell 22. The model of the circular electric saw 23 can be G607. The thickness of the circular electric saw 23 is smaller than the width of the bar hole 21. A rectangular parallelepiped with a missing bottom surface, a hand push rod 24 is fixedly installed on the left and right sides of the protective shell 22, a connecting rod 25 is fixedly installed on the left and right sides of the protective shell 22, and a roller is movably installed at one end of the connecting rod 25 away from the protective shell 22 26. The bottom wall of the inner cavity of the working groove 18 is provided with a roller groove 27 located on the outer side of the roller 26. The outer side of the hand push rod 24 is fixedly installed with a protective cover. The size of the roller 26 is matched with the size of the roller groove 27. A water tank 28 is fixedly installed on the left side, a water pump 29 is fixedly installed on the left side of the chassis 1 and located on the top of the water tank 28, the model of the water pump 29 can be 150QJ10-50/7, and a water pipe 30 is fixedly installed on the top of the water tank 28, and the water pipe 30 is far away from One end of the water tank 28 penetrates the bottom of the water pump 29 and extends to the top of the water pump 29. The end of the water pipe 30 away from the water tank 28 is fixedly installed with a spray head 31. The spray head 31 is located directly above the circular saw 23, and the two limit bars 19 are symmetrical Distributed on the left and right sides of the central axis of the chassis 1, through the setting of the limit bar 19 and the limit slot 20, put the bent pipe into the limit slot 20, start the circular saw 23, the user pushes the hand The push rod 24 makes the roller 26 move in the roller groove 27, so that the circular saw 23 moves along the strip hole 21 to achieve the purpose of cutting the pipe. Under the action, water is drawn from the water pipe 30 to spray the circular saw 23, which has the effect of cooling the circular saw 23, preventing the circular saw 23 running at a high speed for a long time from being damaged due to excessive temperature, thereby It is ensured that the bending machine can realize the corner cutting operation for a long time and achieve the purpose of cutting corners.

When in use, put the pipe tool to be bent into the pipe groove 7 and put it on the limit block 13 at the same time, turn on the motor 10, and the pipe tool will have the interaction force between the limit block 13 and the limit column 15. Bend down along the pipe groove 7, and then put the bent pipe into the limit groove 20, start the circular saw 23, and the user pushes the hand push rod 24 to move the roller 26 in the roller groove 27, thereby The circular saw 23 is moved along the bar hole 21 to achieve the purpose of cutting pipes.

To sum up, the bending machine that is convenient to replace the bending die and can cut corners, through the setting of the bending die body 6 and the pipe groove 7, put the pipe to be bent into the pipe groove 7, and at the same time put it in the limit. On the position block 13, the rotation of the motor 10 drives the rotating rod 11 to rotate, and the rotating rod 11 drives the bending die body 6 to rotate. The groove 7 is bent to achieve the purpose of bending the pipe. By removing the two bolts 12, the restriction of the bending die body 6 by the clamp block 8 is released, and then the bending die body 6 is removed from the rotating rod 11. The bending die body 6 can be disassembled for replacement, the operation is simple and fast, and the purpose of convenient replacement of the bending die is achieved.

In addition, through the setting of the limit bar 19 and the limit groove 20, the bent pipe tool is put into the limit groove 20, the circular saw 23 is started, and the user pushes the hand push rod 24 to make the roller 26 in the roller groove. 27, so that the circular saw 23 moves along the strip hole 21 to achieve the purpose of cutting the pipe. Spray the circular saw 23 to cool down the circular saw 23 and prevent the circular saw 23 running at high speed for a long time from being damaged due to excessive temperature, thus ensuring that the bending machine can be used for a long time. It realizes the corner cutting operation, achieves the purpose of cutting corners, and solves the defect that the bending machine is inconvenient to replace the bending die. Different materials have different diameters or bending methods, and a fixed bending die obviously cannot adapt to different If the bending die is inconvenient to replace, it will greatly reduce the work efficiency, and the bending machine does not have the function of chamfering, and most pipes need to be chamfered after being bent, and there is no bending machine with chamfering function. It is necessary to frequently transport the tube material to the corner cutting machine for corner cutting, which increases the problem of manpower burden.

It should be noted that the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those elements, but also no Other elements expressly listed, or which are also inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

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

Claims

A bending machine capable of easily changing bending dies and capable of cutting corners, comprising a chassis (1), characterized in that a support foot (2) is fixedly installed at the bottom of the chassis (1), and the bottom of the outer side of the support foot (2) is fixedly installed. A protective sleeve (3) is fixedly installed, a groove (4) is opened on the right side of the chassis (1), and a first bearing (5) is fixedly installed in the groove (4). Inside (5) and located on the right side of the first bearing (5), a bending die body (6) is movably installed, a pipe groove (7) is opened on the outside of the bending die body (6), and the bending die body ( 6) A clamp block (8) is movably installed on the right side, the bending die body (6) and the right side of the clamp block (8) are both provided with through holes (9), and the right side of the inner cavity of the chassis (1) is provided with a through hole (9). A motor (10) is fixedly installed on the side wall, an output end of the motor (10) is fixedly installed with a rotating rod (11), and one end of the rotating rod (11) away from the motor (10) penetrates through the inner cavity of the case (1). The right side wall and the through hole (9) extend to the right side of the clamping block (8), the right side of the clamping block (8) is movably installed with two bolts (12), the bolts (12) An end close to the clamping block (8) penetrates the clamping block (8) and the bending die body (6) and extends to the inside of the bending die body (6), and a limit block (13) is fixedly installed at the bottom of the bending die body (6). ), a second bearing (14) is fixedly installed on the right side of the chassis (1) and located at the bottom of the bending die body (6), inside the second bearing (14) and located at the bottom of the second bearing (14) A limit post (15) is movably installed on the right side, a screw rod (16) is movably installed inside the limit post (15), and a screw rod (16) is movably installed on the outside of the screw rod (16) and located on the right side of the limit post (15). There is a nut (17), a working slot (18) is opened on the top of the chassis (1), and two limit bars (19) are fixedly installed on the bottom wall of the inner cavity of the working slot (18). The front side of the limit bar (19) is provided with a limit slot (20), the bottom wall of the inner cavity of the working slot (18) is provided with a strip hole (21), and the bottom wall of the inner cavity of the working slot (18) is provided with a strip hole (21). And a protective shell (22) is movably installed on the back of the limit bar (19), a circular electric saw (23) is movably installed inside the protective shell (22), and the left and right sides of the protective shell (22) are movably installed. A hand push rod (24) is fixedly installed, and a connecting rod (25) is fixedly installed on the left and right sides of the protective shell (22), and one end of the connecting rod (25) away from the protective shell (22) is movably installed with a The roller (26), the bottom wall of the inner cavity of the working groove (18) is provided with a roller groove (27) located on the outer side of the roller (26), and the left side of the chassis (1) is fixedly installed with a water tank (28), so A water pump (29) is fixedly installed on the left side of the housing (1) and located on the top of the water tank (28), and a water pipe (30) is fixedly installed on the top of the water tank (28), and the water pipe (30) is far away from the water tank (28). ) runs through the bottom of the water pump (29) and extends to the top of the water pump (29), and the water pipe (30) is away from the water tank (28) A nozzle (31) is fixedly installed at one end of the .
A bending machine that is convenient for changing the bending die and can cut corners according to claim 1, characterized in that: the number of the legs (2) is four, and the four legs (2) are evenly distributed on the At the bottom of the chassis (1), the protective cover (3) is a rubber cover.
A bending machine that is convenient for changing the bending die and can cut corners according to claim 1, characterized in that: the outer diameter of the rotating rod (11) is adapted to the inner diameter of the through hole (9), and the Both the bending die body (6) and the clamping block (8) are cylindrical, and the diameter of the clamping block (8) is larger than the diameter of the bending die body (6).
A bending machine that is convenient for changing the bending die and can cut corners according to claim 1, characterized in that: the limiting block (13) is an L-shaped three-dimensional structure, and the pipe groove (7) is a ring shape slot structure.
The bending machine that is convenient to replace the bending die and can cut corners according to claim 1, characterized in that: the inner diameter of the second bearing (14) is adapted to the outer diameter of the limiting column (15), The outer diameter of the screw (16) is adapted to the inner diameter of the nut (17).
A bending machine that is convenient for changing the bending die and can cut the angle according to claim 1, wherein the angle between the two limit bars (19) is ninety degrees, and the two limit bars (19) are 90 degrees. The distance between the limiting strips (19) is greater than the width of the strip hole (21).
A bending machine that is convenient for changing the bending die and can cut corners according to claim 1, characterized in that: the thickness of the circular electric saw (23) is smaller than the width of the strip hole (21), the protection The shell (22) is provided as a rectangular parallelepiped with a hollow interior and missing front and bottom surfaces.
A bending machine that is convenient for changing the bending die and can cut corners according to claim 1, characterized in that: a protective cover is fixedly installed on the outer side of the hand push rod (24), and the size of the roller (26) is It is suitable for the size of the roller groove (27).
A bending machine that is convenient for changing the bending die and can cut corners according to claim 1, characterized in that: the spray head (31) is located directly above the circular saw (23), and the two limiters The strips (19) are symmetrically distributed on the left and right sides of the central axis of the chassis (1).