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Bidirectional pipe bending machine
CN219169449U
China
- Other languages
Chinese - Inventor
季青 王旭东 崔伟奇 - Current Assignee
- Changzhou Deyan Automation Technology Co ltd
Worldwide applications
2022
CN
Application CN202223594729.5U events
2022-12-31
2023-06-13
Application granted
2023-06-13
Status
Active
2032-12-31
Anticipated expiration
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- Espacenet
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Description
translated from
Technical Field
The utility model relates to a bidirectional pipe bending machine.
Background
At present, pipelines in products such as evaporators and the like need to be bent into specific shapes by using a pipe bending machine, and the pipelines in the products generally have a plurality of bending points, some bending points need to be bent leftwards, and some bending points need to be bent rightwards. Most of the existing pipe bending machines can bend pipes in one direction, can bend pipes leftwards and rightwards, and can bend pipes rightwards and leftwards. For example, chinese patent publication No. CN202137240U discloses an evaporator single-head pipe bender, which can bend only in one direction, so when there are bending points for bending left and bending points for bending right in the pipe, all bending cannot be completed on one pipe bender, two bending machines with different bending directions are required, and when the pipe bender is replaced, the product needs to be detached and repositioned again, which seriously affects the efficiency of bending, and the operation is complex and complicated.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a bidirectional pipe bending machine which can bend left and right, can complete pipe bending in two directions on one piece of equipment, can improve pipe bending efficiency, and is simpler and more convenient to operate.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a bidirectional pipe bending machine comprises a frame, a movable seat, a movable driving mechanism, a lifting seat, a lifting driving mechanism, an installation table, a wheel die assembly, a transposition driving mechanism, a clamping mechanism and a pipe bending driving mechanism; wherein,,
the movable seat is connected to the frame in a sliding manner along the front-back direction;
the movable driving mechanism is connected with the movable seat and used for driving the movable seat to move in place along the front-back direction;
the lifting seat is connected to the movable seat in a sliding manner along the up-down direction and has an upper position and a lower position in the sliding process;
the lifting driving mechanism is connected to the movable seat and is connected with the lifting seat and used for driving the lifting seat to move between the upper position and the lower position;
the wheel module assembly is connected to the lifting seat;
the mounting table is connected to the frame in a sliding manner along the left-right direction and has a left side position and a right side position in the sliding process, the mounting table is used for mounting a product, a pipeline requiring an elbow is arranged in the product, the pipeline is propped against the side wall of the wheel mold assembly when the lifting seat is positioned at the upper position, and the wheel mold assembly is lower than the pipeline when the lifting seat is positioned at the lower position;
the transposition driving mechanism is connected with the mounting table and used for driving the mounting table to move to any one of the left side position and the right side position when the lifting seat moves to the lower position, a pipeline in the product is positioned at the left side of the wheel die assembly when the mounting table is positioned at the left side position, and a pipeline in the product is positioned at the right side of the wheel die assembly when the mounting table is positioned at the right side position;
the clamping mechanism is rotatably connected to the lifting seat and provided with a first initial position and a second initial position in the rotating process, the clamping mechanism is used for acting when being positioned at the first initial position so as to press a pipeline positioned at the left side of the wheel die assembly on the wheel die assembly, and the clamping mechanism is used for acting when being positioned at the second initial position so as to press a pipeline positioned at the right side of the wheel die assembly on the wheel die assembly;
the pipe bending driving mechanism is connected to the lifting seat and connected with the clamping mechanism, and is used for driving the clamping mechanism to rotate so as to drive the pipe to bend around the wheel die assembly when the clamping mechanism compresses the pipe on the wheel die assembly.
Further provided is a specific structure of the mobile driving mechanism, which comprises a screw rod, a nut and a first motor; wherein,,
the screw rod is rotatably connected to the frame;
the nut is connected to the movable seat and is connected with the screw rod in a matched manner;
the first motor is connected to the frame, and is connected with the screw rod and used for driving the screw rod to rotate.
The lifting driving mechanism comprises a lifting cylinder, wherein any one of a cylinder body and a piston rod of the lifting cylinder is connected to the movable seat, and the other one of the cylinder body and the piston rod of the lifting cylinder is connected with the lifting seat so that the lifting cylinder drives the lifting seat to slide on the movable seat.
Further provided is a specific structure of the transposition driving mechanism, which comprises a transposition air cylinder and a connecting plate; wherein,,
the connecting plate is connected to the mounting table;
any one of a cylinder body and a piston rod of the transposition air cylinder is connected with the frame, and the other one of the cylinder body and the piston rod of the transposition air cylinder is connected with the connecting plate, so that the transposition air cylinder drives the connecting plate to move so as to drive the mounting table to move between the left side position and the right side position.
The clamping mechanism comprises a rotating seat, a sliding block, a pressing block and a clamping cylinder; wherein,,
the rotating seat is rotatably connected to the lifting seat and used for rotating between the first initial position and the second initial position;
the sliding block is connected to the rotating seat in a sliding manner;
the pressing block is connected to the sliding block;
the clamping cylinder is connected to the rotating seat and is connected with the sliding block and used for driving the sliding block to move so as to drive the pressing block to move towards the wheel module assembly to press the pipeline on the wheel module assembly;
the pressing block is provided with a first clamping groove which is used for being clamped with the pipeline when the pipeline is pressed;
the bent pipe driving mechanism is connected with the rotating seat and used for driving the rotating seat to rotate so as to drive the pressing block to rotate so as to drive the pipeline pressed on the wheel die assembly to bend around the wheel die assembly.
The pipe bending driving mechanism comprises a driving wheel, a driven wheel, a transmission belt and a second motor; wherein,,
the driving wheel is connected to the second motor;
the driven wheel is connected with the rotating seat;
the driving belt is connected to the driving wheel and the driven wheel;
the second motor is connected to the lifting seat and used for driving the driving wheel to rotate, and then the driving wheel and the rotating seat are driven to rotate through the driving belt.
Further, the bidirectional pipe bending machine also comprises a folding driving mechanism, the lifting seat comprises a main seat body and a mounting block, the main seat body is connected to the moving seat in a sliding manner along the up-down direction, the mounting block is connected to the main seat body, and the wheel module is connected to the mounting block; wherein,,
the mounting block is provided with an upper limit part and a lower limit part, a limit groove is arranged between the upper limit part and the lower limit part, an upper limit hole is arranged in the upper limit part, and a lower limit hole is arranged in the lower limit part;
the wheel module assembly comprises a left die body and a right die body, and the left die body and the right die body are mutually hinged;
the left die body is provided with a left limiting block, a first left matching part positioned above the left limiting block and a second left matching part positioned below the left limiting block;
the right die body is provided with a right limiting block, a first right matching part positioned above the right limiting block and a second right matching part positioned below the right limiting block;
the left limiting block and the right limiting block are both clamped in the limiting groove;
the first left matching part and the first right matching part are matched and connected in the upper limit hole;
the second left matching part and the second right matching part are matched and connected in the lower limit hole;
the left die body and the right die body are respectively provided with a second clamping groove matched with the pipeline;
the folding driving mechanism is used for driving the left die body and the right die body to mutually rotate to fold or mutually rotate to unfold, the second clamping groove is used for being mutually matched with a pipeline on a product when the left die body and the right die body rotate to fold, and the pipeline on the product is mutually separated from the second clamping groove when the left die body and the right die body rotate to fold.
Further, a positioning column positioned in the limiting groove is also connected in the mounting block;
when the left die body and the right die body rotate to be unfolded, the left limiting block abuts against one side of the positioning column, the right limiting block abuts against the other side of the positioning column, the side wall of the first left matching portion and the side wall of the first right matching portion are respectively attached to the inner wall of the upper limiting hole, and the side wall of the second left matching portion and the side wall of the second right matching portion are respectively attached to the inner wall of the lower limiting hole.
The folding driving mechanism comprises a folding cylinder, a left connecting rod and a right connecting rod; wherein,,
the folding cylinder is connected to at least one of the main seat body and the mounting block;
one end of the left connecting rod is hinged with the left limiting block, and the other end of the left connecting rod is hinged with a piston rod of the folding cylinder;
one end of the right connecting rod is hinged with the right limiting block, and the other end of the right connecting rod is hinged with a piston rod of the folding cylinder.
The main seat body comprises a bottom plate, a vertical plate, a transverse plate and a mounting shaft; wherein,,
the bottom plate is connected to the movable seat in a sliding manner along the up-down direction, and the lifting driving mechanism is connected to the movable seat and connected with the bottom plate so as to drive the bottom plate to move up and down;
the lower end part of the vertical plate is connected to the bottom plate;
the transverse plate is connected to the upper end part of the vertical plate, the transverse plate is positioned above the bottom plate, and the mounting block is connected to the transverse plate;
the upper end of the installation shaft is connected with the transverse plate, the lower end of the installation shaft is connected with the bottom plate, and the clamping mechanism is rotatably connected to the installation shaft.
After the technical scheme is adopted, when the pipe is bent leftwards, the product is fixedly arranged on the mounting table, the lifting driving mechanism drives the lifting seat to move to the lower position, at the moment, the wheel die assembly and the clamping mechanism are both lower than the pipeline, the transposition driving mechanism drives the mounting table to move to the right position, the pipe bending driving mechanism drives the clamping mechanism to rotate to the second initial position, and the movement driving mechanism drives the movement seat to move in place along the front-back direction. Then the lifting driving mechanism drives the lifting seat to ascend and move to the upper position, at the moment, the pipeline is positioned on the right side of the wheel die assembly, then the clamping mechanism compresses the pipeline positioned on the right side of the wheel die assembly on the wheel die assembly, and then the pipe bending driving mechanism drives the clamping mechanism to rotate leftwards so as to drive the pipeline to bend leftwards around the wheel die assembly. When the left bent pipe is changed into the right bent pipe, the clamping mechanism loosens a pipeline pressed on the wheel die assembly, the lifting driving mechanism drives the lifting seat to move to the lower position so that the wheel die assembly and the clamping mechanism are lower than the pipeline, then the moving driving mechanism drives the moving seat to move to the next bending point along the front-back direction, the transposition driving mechanism drives the mounting table to move to the left position, and the bent pipe driving mechanism drives the clamping mechanism to rotate to the first initial position. Then the lifting driving mechanism drives the lifting seat to ascend and move to the upper position, at the moment, the pipeline is positioned on the left side of the wheel die assembly, then the clamping mechanism compresses the pipeline positioned on the left side of the wheel die assembly on the wheel die assembly, and then the pipe bending driving mechanism drives the clamping mechanism to rotate rightwards so as to drive the pipeline to bend rightwards around the wheel die assembly. The bidirectional pipe bending machine can bend left and right, bend the pipe in two directions on one device, and the product only needs to be installed and positioned once, so that the efficiency of bending the pipe is greatly improved, and the operation is simpler and more convenient.
Drawings
FIG. 1 is a schematic diagram of a two-way pipe bender in a left-hand pipe bending configuration;
FIG. 2 is a top view of the two-way pipe bender of the present utility model in bending right;
FIG. 3 is a schematic view of the structure of the mounting table and index drive mechanism of the present utility model;
FIG. 4 is a schematic view of a portion of the clamping mechanism of the present utility model in a second initial position;
FIG. 5 is a schematic view of a portion of the clamping mechanism of the present utility model in a first initial position;
FIG. 6 is an exploded view of the assembly of the lift base, clamping mechanism and wheel die assembly of the present utility model;
FIG. 7 is a schematic view of the wheel module assembly of the present utility model in an expanded configuration;
FIG. 8 is a schematic view of the wheel mold assembly of the present utility model when folded;
FIG. 9 is an exploded view of the assembly of the wheel mold assembly and mounting block of the present utility model;
fig. 10 is a schematic structural view of the folding driving mechanism of the present utility model.
Detailed Description
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 6, a bidirectional pipe bender comprises a frame 1, a movable seat 2, a movable driving mechanism 100, a lifting seat 200, a lifting driving mechanism 3, a mounting table 4, a wheel die assembly 300, a transposition driving mechanism 5, a clamping mechanism 400 and a pipe bending driving mechanism 500; wherein,,
the movable seat 2 is connected to the frame 1 in a sliding manner along the front-back direction;
the moving driving mechanism 100 is connected with the moving seat 2 and is used for driving the moving seat 2 to move in a front-rear direction;
the lifting seat 200 is slidably connected to the moving seat 2 in the up-down direction and has an upper position and a lower position during sliding;
the lifting driving mechanism 3 is connected to the movable seat 2, and the lifting driving mechanism 3 is connected to the lifting seat 200 and is used for driving the lifting seat 200 to move between the upper position and the lower position;
the wheel mold assembly 300 is connected to the lifting seat 200;
the mounting table 4 is slidably connected to the frame 1 along the left-right direction and has a left side position and a right side position in the sliding process, the mounting table 4 is used for mounting a product 6, a pipeline 7 requiring bent pipe is arranged in the product 6, the pipeline 7 is propped against the side wall of the wheel mold assembly 300 when the lifting seat 200 is positioned at the upper position, and the wheel mold assembly 300 is lower than the pipeline 7 when the lifting seat 200 is positioned at the lower position;
the transposition driving mechanism 5 is connected with the mounting table 4 and is used for driving the mounting table 4 to move to any one of the left side position and the right side position when the lifting seat 200 moves to the lower side position, the pipeline 7 in the product 6 is positioned at the left side of the wheel module 300 when the mounting table 4 is positioned at the left side position, and the pipeline 7 in the product 6 is positioned at the right side of the wheel module 300 when the mounting table 4 is positioned at the right side position;
the clamping mechanism 400 is rotatably connected to the lifting seat 200 and has a first initial position and a second initial position in the rotating process, the clamping mechanism 400 is used for acting to press the pipeline 7 positioned on the left side of the wheel mold assembly 300 on the wheel mold assembly 300 when being positioned at the first initial position, and the clamping mechanism 400 is used for acting to press the pipeline 7 positioned on the right side of the wheel mold assembly 300 on the wheel mold assembly 300 when being positioned at the second initial position;
the pipe bending driving mechanism 500 is connected to the lifting seat 200 and is connected to the clamping mechanism 400, and when the clamping mechanism 400 presses the pipe 7 onto the wheel die assembly 300, the pipe bending driving mechanism 500 is used for driving the clamping mechanism 400 to rotate so as to drive the pipe 7 to bend around the wheel die assembly 300.
Specifically, when the pipe is bent to the left, the product 6 is fixedly installed on the mounting table 4, the lifting driving mechanism 3 drives the lifting seat 200 to move to the lower position, at this time, the wheel mold assembly 300 and the clamping mechanism 400 are both lower than the pipeline 7, the transposition driving mechanism 5 drives the mounting table 4 to move to the right position, the pipe bending driving mechanism 500 drives the clamping mechanism 400 to rotate to the second initial position, and the movement driving mechanism 100 drives the movement seat 2 to move to the right position along the front-back direction. Then the lifting driving mechanism 3 drives the lifting seat 200 to move up to the upper position, at this time, the pipeline 7 is located on the right side of the wheel module 300, then the clamping mechanism 400 compresses the pipeline 7 located on the right side of the wheel module 300 on the wheel module 300, and then the pipe bending driving mechanism 500 drives the clamping mechanism 400 to rotate leftwards to drive the pipeline 7 to bend leftwards around the wheel module 300. When the left bent pipe is converted into the right bent pipe, the clamping mechanism 400 loosens the pipeline 7 pressed on the wheel die assembly 300, the lifting driving mechanism 3 drives the lifting seat 200 to move to the lower position so that the wheel die assembly 300 and the clamping mechanism 400 are lower than the pipeline 7, then the moving driving mechanism 100 drives the moving seat 2 to move to the next bending point along the front-back direction, the transposition driving mechanism 5 drives the mounting table 4 to move to the left position, and the bent pipe driving mechanism 500 drives the clamping mechanism 400 to rotate to the first initial position. Then the lifting driving mechanism 3 drives the lifting seat 200 to move up to the upper position, at this time, the pipeline 7 is located at the left side of the wheel module 300, then the clamping mechanism 400 presses the pipeline 7 located at the left side of the wheel module 300 onto the wheel module 300, and then the pipe bending driving mechanism 500 drives the clamping mechanism 400 to rotate rightwards to drive the pipeline 7 to bend rightwards around the wheel module 300. The bidirectional pipe bending machine can bend left and right, bend the pipe in two directions on one device, the product 6 can bend left and bend right only by one time of installation and positioning, the efficiency of bending the pipe is greatly improved, the production period is shortened, the production time is saved, and the operation is simpler and more convenient.
In this embodiment, the mounting table 4 may be provided with a plurality of positioning blocks, and the product 6 may be fixedly connected to the mounting table 4 by a pressing plate and a fastener; wherein the product 6 may be an evaporator.
As shown in fig. 1, 2, 4, 5, the movement driving mechanism 100 is, for example and not limited to, a structure including a screw rod 8, a nut 9, and a first motor 10; wherein,,
the screw rod 8 is rotatably connected to the frame 1;
the first motor 10 is connected to the frame 1, and the first motor 10 is connected to the screw rod 8 and is used for driving the screw rod 8 to rotate, so as to drive the nut 9 and the moving seat 2 to move along the front-back direction; in this embodiment, the movable base 2 may be slidably connected to the frame 1 along a front-rear direction by a first linear rail, and the pipeline 7 may extend along the front-rear direction before being bent.
As shown in fig. 1, 4 and 5, the lifting driving mechanism 3 may include a lifting cylinder, one of which is connected to the moving base 2, and the other of which is connected to the lifting base 200 so that the lifting cylinder drives the lifting base 200 to slide on the moving base 2; in this embodiment, the lifting seat 200 may be slidably connected to the moving seat 2 along the up-down direction through a second linear rail.
As shown in fig. 3, the index driving mechanism 5 may include an index cylinder 11 and a connection plate 12; wherein,,
the connecting plate 12 is connected to the mounting table 4;
any one of a cylinder body and a piston rod of the transposition cylinder 11 is connected with the frame 1, and the other one of the cylinder body and the piston rod of the transposition cylinder 11 is connected with the connecting plate 12, so that the transposition cylinder 11 drives the connecting plate 12 to move so as to drive the mounting table 4 to move between the left side position and the right side position, and the mounting table 4 can be connected to the frame 1 in a sliding manner along the left-right direction through a third linear sliding rail.
As shown in fig. 4 to 6, the clamping mechanism 400 is, for example, but not limited to, a structure including a rotating base 13, a sliding block 14, a pressing block 15 and a clamping cylinder 16; wherein,,
the rotating seat 13 is rotatably connected to the lifting seat 200 and is used for rotating between the first initial position and the second initial position, and the rotating center of the rotating seat 13 and the wheel mold assembly 300 are coaxially arranged;
the sliding block 14 is connected to the rotating seat 13 in a sliding manner;
the pressing block 15 is connected to the sliding block 14;
the clamping cylinder 16 is connected to the rotating seat 13, and the clamping cylinder 16 is connected to the sliding block 14 and is used for driving the sliding block 14 to move so as to drive the pressing block 15 to move towards the wheel die assembly 300 to press the pipeline 7 on the wheel die assembly 300;
the pressing block 15 is provided with a first clamping groove 17 for clamping the pipeline 7 when the pipeline 7 is pressed;
the bent pipe driving mechanism 500 is connected with the rotating seat 13 and is used for driving the rotating seat 13 to rotate so as to drive the pressing block 15 to rotate so as to drive the pipeline 7 pressed on the wheel die assembly 300 to bend around the wheel die assembly 300; specifically, when the rotary seat 13 rotates to the first initial position, the pressing block 15 is located at the left side of the wheel module 300, and the clamping cylinder 16 drives the sliding block 14 to move towards the wheel module 300 so as to drive the pressing block 15 to press the pipeline 7 located at the left side of the wheel module 300 onto the wheel module 300. When the rotary seat 13 rotates to the second initial position, the pressing block 15 is located on the right side of the wheel mold assembly 300, and the clamping cylinder 16 drives the sliding block 14 to move towards the wheel mold assembly 300 so as to drive the pressing block 15 to press the pipeline 7 located on the right side of the wheel mold assembly 300 onto the wheel mold assembly 300. When the clamping cylinder 16 drives the slide block 14 to move back to the wheel die assembly 300, the pressing block 15 can be driven to loosen the pipeline 7 pressed on the wheel die assembly 300.
As shown in fig. 4 to 6, the elbow driving mechanism 500 may include a driving wheel 18, a driven wheel 19, a driving belt 20 and a second motor 21; wherein,,
the driving wheel 18 is connected to the second motor 21;
the driven wheel 19 is connected with the rotary seat 13;
the second motor 21 is connected to the lifting seat 200, and the second motor 21 is used for driving the driving wheel 18 to rotate and further driving the driven wheel 19 and the rotating seat 13 to rotate through the driving belt 20; in this embodiment, the driving pulley 18 and the driven pulley 19 are synchronous pulleys, and the driving belt 20 is a synchronous belt.
As shown in fig. 1, 2, 6-10, the bidirectional pipe bender may further include a folding driving mechanism 600, the lifting seat 200 may include a main seat 22 and a mounting block 23, the main seat 22 is slidably connected to the moving seat 2 along an up-down direction, the mounting block 23 is connected to the main seat 22, and the wheel module 300 is connected to the mounting block 23; in this embodiment, the pipe bending driving mechanism 500 is connected to the main base 22, the clamping mechanism 400 is rotatably connected to the main base 22, and the lifting driving mechanism 3 is connected to the main base 22 and is used for driving the main base 22 to move up and down so as to drive the mounting block 23 and the wheel mold assembly 300 to move up and down.
As shown in fig. 6 to 10, the mounting block 23 has an upper limit portion 24 and a lower limit portion 25, a limit groove 26 is provided between the upper limit portion 24 and the lower limit portion 25, an upper limit hole 27 is provided in the upper limit portion 24, and a lower limit hole 28 is provided in the lower limit portion 25;
the wheel module assembly 300 comprises a left die body 29 and a right die body 30, wherein the left die body 29 and the right die body 30 are hinged with each other;
the left die body 29 is provided with a left limiting block 31, a first left matching part 32 positioned above the left limiting block 31 and a second left matching part 33 positioned below the left limiting block 31;
the right die body 30 is provided with a right limiting block 34, a first right matching part 35 positioned above the right limiting block 34 and a second right matching part 36 positioned below the right limiting block 34;
the left limiting block 31 and the right limiting block 34 are both clamped in the limiting groove 26;
the first left matching part 32 and the first right matching part 35 are matched and connected in the upper limit hole 27;
the second left matching part 33 and the second right matching part 36 are both matched and connected in the lower limiting hole 28;
the left die body 29 and the right die body 30 are respectively provided with a second clamping groove 37 which is matched with the pipeline 7;
the folding driving mechanism 600 is respectively connected with the left die body 29 and the right die body 30, the folding driving mechanism 600 is used for driving the left die body 29 and the right die body 30 to mutually rotate to fold or mutually rotate to unfold, the second clamping groove 37 is used for being mutually matched with the pipeline 7 on the product 6 when the left die body 29 and the right die body 30 rotate to unfold, and the pipeline 7 on the product 6 is mutually separated from the second clamping groove 37 when the left die body 29 and the right die body 30 rotate to fold. Specifically, when the mounting table 4 is located at the left side position and the left die body 29 and the right die body 30 are rotated to be unfolded, the pipeline 7 in the product 6 is located at the left side of the left die body 29 and is matched in the second clamping groove 37 on the left die body 29, and at this time, the clamping mechanism 400 located at the first initial position can press the pipeline 7 in the second clamping groove 37 on the left die body 29. When the mounting table 4 is in the right position and the left die body 29 and the right die body 30 are rotated to be unfolded, the pipeline 7 in the product 6 is located on the right side of the right die body 30 and is fitted in the second clamping groove 37 on the right die body 30, and at this time, the clamping mechanism 400 in the second initial position can press the pipeline 7 in the second clamping groove 37 on the right die body 30.
Before the lifting seat 200 moves up and down, the left die body 29 and the right die body 30 are driven to rotate to fold by the folding driving mechanism 600, so that the pipeline 7 and the second clamping groove 37 are separated from each other, and then the lifting driving mechanism 3 drives the lifting seat 200 to move up and down, and drives the left die body 29 and the right die body 30 to move up and down.
As shown in fig. 7 to 10, the mounting block 23 may further be connected with a positioning column 38 located in the limiting groove 26;
when the left die body 29 and the right die body 30 rotate to be unfolded, the left limiting block 31 abuts against one side of the positioning column 38, the right limiting block 34 abuts against the other side of the positioning column 38, the side wall of the first left matching portion 32 and the side wall of the first right matching portion 35 are respectively attached to the inner wall of the upper limiting hole 27, and the side wall of the second left matching portion 33 and the side wall of the second right matching portion 36 are respectively attached to the inner wall of the lower limiting hole 28.
As shown in fig. 7 to 10, the folding driving mechanism 600 may include a folding cylinder 39, a left connecting rod 40 and a right connecting rod 41; wherein,,
one end of the left connecting rod 40 is hinged with the left limiting block 31, and the other end of the left connecting rod 40 is hinged with a piston rod of the folding cylinder 39;
one end of the right connecting rod 41 is hinged with the right limiting block 34, and the other end of the right connecting rod 41 is hinged with a piston rod of the folding cylinder 39; specifically, when the folding cylinder 39 extends, the left die body 29 and the right die body 30 are driven to rotate to be unfolded by the left connecting rod 40 and the right connecting rod 41, and when the folding cylinder 39 retracts, the left die body 29 and the right die body 30 are driven to rotate to be folded by the left connecting rod 40 and the right connecting rod 41.
As shown in fig. 4 to 6, the main base 22 may include a bottom plate 42, a vertical plate 43, a transverse plate 44, and a mounting shaft 45; wherein,,
the bottom plate 42 is slidably connected to the movable base 2 along the up-down direction, and the lifting driving mechanism 3 is connected to the movable base 2 and connected to the bottom plate 42 so as to drive the bottom plate 42 to move up and down;
the lower end of the vertical plate 43 is connected to the bottom plate 42;
the transverse plate 44 is connected to the upper end of the vertical plate 43, the transverse plate 44 is located above the bottom plate 42, and the mounting block 23 is connected to the transverse plate 44;
the upper end of the mounting shaft 45 is connected with the transverse plate 44, the lower end of the mounting shaft 45 is connected with the bottom plate 42, and the clamping mechanism 400 is rotatably connected to the mounting shaft 45; specifically, the rotary seat 13 in the clamping mechanism 400 is rotatably connected to the mounting shaft 45 through a bearing, the second motor 21 is connected to the bottom plate 42, the driven wheel 19 may also be rotatably connected to the mounting shaft 45 through a bearing, and the mounting shaft 45 is coaxially disposed with the wheel module 300 when being unfolded.
In this embodiment, the mounting block 23 includes an upper block 46 and a lower block 47, the upper limiting portion 24 is disposed in the upper block 46, the lower limiting portion 25 is disposed in the lower block 47, the lower block 47 is connected to the transverse plate 44, and the upper block 46 is connected to the lower block 47.
In summary, when bending the pipe leftwards, the product 6 is fixedly mounted on the mounting table 4, the lifting driving mechanism 3 drives the lifting seat 200 to move to the lower position, at this time, the wheel mold assembly 300 and the clamping mechanism 400 are both lower than the pipeline 7, the transposition driving mechanism 5 drives the mounting table 4 to move to the right position, the pipe bending driving mechanism 500 drives the clamping mechanism 400 to rotate to the second initial position, and the moving driving mechanism 100 drives the moving seat 2 to move in the front-rear direction. Then the lifting driving mechanism 3 drives the lifting seat 200 to move up to the upper position, at this time, the pipeline 7 is located on the right side of the wheel module 300, then the clamping mechanism 400 compresses the pipeline 7 located on the right side of the wheel module 300 on the wheel module 300, and then the pipe bending driving mechanism 500 drives the clamping mechanism 400 to rotate leftwards to drive the pipeline 7 to bend leftwards around the wheel module 300. When the left bent pipe is converted into the right bent pipe, the clamping mechanism 400 loosens the pipeline 7 pressed on the wheel die assembly 300, the lifting driving mechanism 3 drives the lifting seat 200 to move to the lower position so that the wheel die assembly 300 and the clamping mechanism 400 are lower than the pipeline 7, then the moving driving mechanism 100 drives the moving seat 2 to move to the next bending point along the front-back direction, the transposition driving mechanism 5 drives the mounting table 4 to move to the left position, and the bent pipe driving mechanism 500 drives the clamping mechanism 400 to rotate to the first initial position. Then the lifting driving mechanism 3 drives the lifting seat 200 to move up to the upper position, at this time, the pipeline 7 is located at the left side of the wheel module 300, then the clamping mechanism 400 presses the pipeline 7 located at the left side of the wheel module 300 onto the wheel module 300, and then the pipe bending driving mechanism 500 drives the clamping mechanism 400 to rotate rightwards to drive the pipeline 7 to bend rightwards around the wheel module 300. The bidirectional pipe bending machine can bend left and right, bend in two directions on one device, and the product 6 only needs to be installed and positioned once, so that the efficiency of bending is greatly improved, and the operation is simpler and more convenient.
The technical problems, technical solutions and advantageous effects solved by the present utility model have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of protection of the present utility model.
Claims (10)
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Claims (10)
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1. The bidirectional pipe bending machine is characterized by comprising a frame (1), a movable seat (2), a movable driving mechanism (100), a lifting seat (200), a lifting driving mechanism (3), a mounting table (4), a wheel module assembly (300), a transposition driving mechanism (5), a clamping mechanism (400) and a pipe bending driving mechanism (500); wherein,,
the movable seat (2) is connected to the frame (1) in a sliding manner along the front-back direction;
the movable driving mechanism (100) is connected with the movable seat (2) and is used for driving the movable seat (2) to move in place along the front-back direction;
the lifting seat (200) is connected to the movable seat (2) in a sliding manner along the up-down direction and has an upper position and a lower position in the sliding process;
the lifting driving mechanism (3) is connected to the movable seat (2), and the lifting driving mechanism (3) is connected with the lifting seat (200) and is used for driving the lifting seat (200) to move between the upper position and the lower position;
the wheel module assembly (300) is connected to the lifting seat (200);
the mounting table (4) is slidably connected to the frame (1) along the left-right direction and has a left side position and a right side position in the sliding process, the mounting table (4) is used for mounting a product (6), a pipeline (7) requiring an elbow is arranged in the product (6), the pipeline (7) is propped against the side wall of the wheel module assembly (300) when the lifting seat (200) is positioned at the upper position, and the wheel module assembly (300) is lower than the pipeline (7) when the lifting seat (200) is positioned at the lower position;
the transposition driving mechanism (5) is connected with the mounting table (4) and is used for driving the mounting table (4) to move to any one of the left side position and the right side position when the lifting seat (200) moves to the lower side position, a pipeline (7) in the product (6) is positioned at the left side of the wheel module assembly (300) when the mounting table (4) is positioned at the left side position, and a pipeline (7) in the product (6) is positioned at the right side of the wheel module assembly (300) when the mounting table (4) is positioned at the right side position;
the clamping mechanism (400) is rotatably connected to the lifting seat (200) and has a first initial position and a second initial position in the rotating process, the clamping mechanism (400) is used for acting to press a pipeline (7) positioned on the left side of the wheel module (300) on the wheel module (300) when positioned at the first initial position, and the clamping mechanism (400) is used for acting to press a pipeline (7) positioned on the right side of the wheel module (300) on the wheel module (300) when positioned at the second initial position;
the pipe bending driving mechanism (500) is connected to the lifting seat (200) and is connected with the clamping mechanism (400), and when the clamping mechanism (400) compresses the pipeline (7) on the wheel die assembly (300), the pipe bending driving mechanism (500) is used for driving the clamping mechanism (400) to rotate so as to drive the pipeline (7) to bend around the wheel die assembly (300).
2. The two-way pipe bender according to claim 1, wherein the movement drive mechanism (100) comprises a screw (8), a nut (9) and a first motor (10); wherein,,
the screw rod (8) is rotationally connected to the frame (1);
the nut (9) is connected to the movable seat (2) and is matched and connected with the screw rod (8);
the first motor (10) is connected to the frame (1), and the first motor (10) is connected with the screw rod (8) and used for driving the screw rod (8) to rotate.
3. The two-way pipe bender according to claim 1, wherein the lifting driving mechanism (3) comprises a lifting cylinder, wherein either one of the cylinder and the piston rod of the lifting cylinder is connected to the moving base (2), and the other one of the cylinder and the piston rod of the lifting cylinder is connected to the lifting base (200) so that the lifting cylinder drives the lifting base (200) to slide on the moving base (2).
4. The two-way pipe bender according to claim 1, characterized in that the indexing drive mechanism (5) comprises an indexing cylinder (11) and a connecting plate (12); wherein,,
the connecting plate (12) is connected to the mounting table (4);
any one of a cylinder body and a piston rod of the transposition air cylinder (11) is connected with the frame (1), and the other one of the cylinder body and the piston rod of the transposition air cylinder (11) is connected with the connecting plate (12), so that the transposition air cylinder (11) drives the connecting plate (12) to move so as to drive the mounting table (4) to move between the left side position and the right side position.
5. The two-way pipe bender according to claim 1, wherein the clamping mechanism (400) comprises a swivel (13), a slide block (14), a press block (15) and a clamping cylinder (16); wherein,,
the rotating seat (13) is rotatably connected to the lifting seat (200) and is used for rotating between the first initial position and the second initial position;
the sliding block (14) is connected to the rotating seat (13) in a sliding manner;
the pressing block (15) is connected to the sliding block (14);
the clamping cylinder (16) is connected to the rotating seat (13), the clamping cylinder (16) is connected with the sliding block (14) and is used for driving the sliding block (14) to move so as to drive the pressing block (15) to move towards the wheel module (300) to press the pipeline (7) on the wheel module (300);
the pressing block (15) is provided with a first clamping groove (17) which is used for being clamped with the pipeline (7) when the pipeline (7) is pressed;
the bent pipe driving mechanism (500) is connected with the rotating seat (13) and is used for driving the rotating seat (13) to rotate so as to drive the pressing block (15) to rotate so as to drive the pipeline (7) pressed on the wheel module assembly (300) to bend around the wheel module assembly (300).
6. The two-way pipe bender according to claim 5, wherein the pipe bender drive mechanism (500) comprises a drive wheel (18), a driven wheel (19), a drive belt (20) and a second motor (21); wherein,,
the driving wheel (18) is connected to the second motor (21);
the driven wheel (19) is connected with the rotating seat (13);
the transmission belt (20) is connected to the driving wheel (18) and the driven wheel (19);
the second motor (21) is connected to the lifting seat (200), and the second motor (21) is used for driving the driving wheel (18) to rotate so as to drive the driven wheel (19) and the rotating seat (13) to rotate through the transmission belt (20).
7. The two-way pipe bender according to claim 1, further comprising a folding driving mechanism (600), wherein the lifting base (200) comprises a main base body (22) and a mounting block (23), the main base body (22) is slidably connected to the moving base (2) in the up-down direction, the mounting block (23) is connected to the main base body (22), and the wheel module assembly (300) is connected to the mounting block (23); wherein,,
the mounting block (23) is provided with an upper limit part (24) and a lower limit part (25), a limit groove (26) is formed between the upper limit part (24) and the lower limit part (25), an upper limit hole (27) is formed in the upper limit part (24), and a lower limit hole (28) is formed in the lower limit part (25);
the wheel module assembly (300) comprises a left die body (29) and a right die body (30), wherein the left die body (29) and the right die body (30) are hinged with each other;
the left die body (29) is provided with a left limiting block (31), a first left matching part (32) positioned above the left limiting block (31) and a second left matching part (33) positioned below the left limiting block (31);
the right die body (30) is provided with a right limiting block (34), a first right matching part (35) positioned above the right limiting block (34) and a second right matching part (36) positioned below the right limiting block (34);
the left limiting block (31) and the right limiting block (34) are both clamped in the limiting groove (26);
the first left matching part (32) and the first right matching part (35) are matched and connected in the upper limit hole (27);
the second left matching part (33) and the second right matching part (36) are matched and connected in the lower limit hole (28);
the left die body (29) and the right die body (30) are respectively provided with a second clamping groove (37) which is matched with the pipeline (7);
the folding driving mechanism (600) is respectively connected with the left die body (29) and the right die body (30), the folding driving mechanism (600) is used for driving the left die body (29) and the right die body (30) to mutually rotate to fold or mutually rotate to unfold, when the left die body (29) and the right die body (30) rotate to unfold, the second clamping groove (37) is used for being mutually matched with a pipeline (7) on a product (6), and when the left die body (29) and the right die body (30) rotate to fold, the pipeline (7) on the product (6) is mutually separated from the second clamping groove (37).
8. The two-way pipe bender according to claim 7, wherein,
the mounting block (23) is also connected with a positioning column (38) positioned in the limiting groove (26);
when the left die body (29) and the right die body (30) rotate to be unfolded, the left limiting block (31) abuts against one side of the positioning column (38), the right limiting block (34) abuts against the other side of the positioning column (38), the side wall of the first left matching part (32) and the side wall of the first right matching part (35) are respectively attached to the inner wall of the upper limiting hole (27), and the side wall of the second left matching part (33) and the side wall of the second right matching part (36) are respectively attached to the inner wall of the lower limiting hole (28).
9. The two-way bender according to claim 7, wherein the folding drive mechanism (600) includes a folding cylinder (39), a left link (40) and a right link (41); wherein,,
the folding cylinder (39) is connected to at least one of the main seat (22) and the mounting block (23);
one end part of the left connecting rod (40) is hinged with the left limiting block (31), and the other end part of the left connecting rod (40) is hinged with a piston rod of the folding cylinder (39);
one end of the right connecting rod (41) is hinged with the right limiting block (34), and the other end of the right connecting rod (41) is hinged with a piston rod of the folding cylinder (39).
10. The two-way bender according to claim 7, wherein the main housing (22) comprises a bottom plate (42), a vertical plate (43), a transverse plate (44) and a mounting shaft (45); wherein,,
the bottom plate (42) is connected to the movable seat (2) in a sliding manner along the up-down direction, and the lifting driving mechanism (3) is connected to the movable seat (2) and connected with the bottom plate (42) so as to drive the bottom plate (42) to move up and down;
the lower end part of the vertical plate (43) is connected to the bottom plate (42);
the transverse plate (44) is connected to the upper end of the vertical plate (43), the transverse plate (44) is located above the bottom plate (42), and the mounting block (23) is connected to the transverse plate (44);
the upper end of the mounting shaft (45) is connected with the transverse plate (44), the lower end of the mounting shaft (45) is connected with the bottom plate (42), and the clamping mechanism (400) is rotatably connected to the mounting shaft (45).