CN212551174U - Double-head multi-die pipe bender - Google Patents

Double-head multi-die pipe bender Download PDF

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Publication number
CN212551174U
CN212551174U CN202021315979.9U CN202021315979U CN212551174U CN 212551174 U CN212551174 U CN 212551174U CN 202021315979 U CN202021315979 U CN 202021315979U CN 212551174 U CN212551174 U CN 212551174U
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CN
China
Prior art keywords
sliding block
sliding
rack
seat
pipe bending
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CN202021315979.9U
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Chinese (zh)
Inventor
范纪华
李笑荣
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ZHANGJIAGANG MINGHUA MACHINERY MANUFACTURE CO Ltd
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ZHANGJIAGANG MINGHUA MACHINERY MANUFACTURE CO Ltd
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Abstract

The utility model discloses a double-head multi-mode pipe bending machine, which comprises a first frame and a second frame which are arranged on a linear slide rail seat in a sliding way, wherein the first frame and the second frame are respectively provided with a first multi-mode pipe bending device and a second multi-mode pipe bending device; the first and second multi-mode pipe bending devices have the same structure, and the first multi-mode pipe bending device comprises: the connecting plate is vertically arranged on the first machine frame in a sliding mode, the machine head seat capable of sliding left and right is arranged on the connecting plate, the main shaft and the sliding seat are arranged on the machine head seat, the main shaft is connected with a bent pipe arm, the first sliding block is arranged in the sliding seat in a sliding mode, the first sliding block is fixedly connected with a top clamping seat, the second sliding block is arranged in the top clamping seat in a sliding mode, and two T-shaped sliding grooves capable of being connected with a top die are formed in the second sliding block. Not only has wide application range, but also can improve the quality of the bent pipe.

Description

Double-head multi-die pipe bender
Technical Field
The utility model relates to a bending machine especially relates to double-end multimode bending machine.
Background
The pipe bender is a mechanical device for bending a pipe. There are single-end bending machine and double-end bending machine on the market at present, wherein the double-end bending machine can carry out bending simultaneously to the both ends of tubular product, and the double-end bending machine on the market includes: the frame slides on the frame and is provided with the same first swan neck system of structure and second swan neck system, take first swan neck system as an example, first swan neck system includes: the pipe bending machine comprises a machine head seat, wherein a main shaft is arranged in the machine head seat, a pipe bending arm is connected to the main shaft, a wheel mold is stacked on the main shaft, a clamping mold matched with the wheel mold is arranged on the pipe bending arm, and a jacking and clamping device is further arranged on the machine head seat. Because the length of the frame of the double-head pipe bender determines the longest length of the pipe which can be processed, the double-head pipe bender has a narrow application range and can not simultaneously bend and process two ends of some super-long pipes; moreover, most of double-head pipe bending machines on the market are of single-mode structures, and multi-mode bending processing cannot be carried out on the pipes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can carry out the crooked and multimode bending's of double-end multimode bending machine simultaneously to the tubular product of different length.
In order to achieve the above object, the utility model adopts the following technical scheme: the double-head multi-mode pipe bender comprises a first rack and a second rack which are arranged on a linear slide rail seat in a sliding manner, wherein a first multi-mode pipe bending device is arranged at the rear end of the first rack; a second multimode pipe bending device is arranged at the front end of the second rack, a second sliding block is arranged at the bottom of the second rack, the second sliding block is arranged on the front section of the linear sliding rail seat in a sliding manner, a second locking mechanism capable of locking the second sliding block on the linear sliding rail seat is arranged on the second sliding block, and a synchronous driving device capable of synchronously driving the first rack and the second rack to approach or depart is arranged between the first rack and the second rack; the structure of the first multi-mode pipe bending device is the same as that of the second multi-mode pipe bending device, and taking the first multi-mode pipe bending device as an example, the first multi-mode pipe bending device comprises: a connecting plate vertically and slidably arranged on a first machine frame, a machine head seat capable of horizontally sliding left and right on the connecting plate is arranged on the connecting plate, a main shaft is arranged on the machine head seat, a plurality of wheel dies with different specifications are stacked on the main shaft, a pipe bending arm is connected on the main shaft, a plurality of clamping dies with different specifications are arranged on the pipe bending arm, each clamping die is respectively matched with each wheel die, a sliding seat is arranged on the machine head seat, a first sliding block capable of being close to or far away from the wheel dies is slidably arranged in the sliding seat, a first push-pull oil cylinder connected with the first sliding block is arranged on the sliding seat, a top clamping seat is fixedly connected on the first sliding block, a second sliding block capable of sliding back and forth in the top clamping seat is slidably arranged in the top clamping seat, two T-shaped sliding grooves penetrating through the upper end and the lower end of the second sliding block are arranged on the second sliding block, and the second sliding block can be connected with, and a second push-pull oil cylinder is arranged on the top clamping seat and connected with a second sliding block.
Further, in the double-head multi-die pipe bender, the synchronous driving device includes: the double-end lead screw of setting on the straight line slide rail seat, the double-end lead screw includes: the two sections of positive thread sections and negative thread sections with opposite thread directions are arranged, positive thread holes penetrating through the front side wall and the rear side wall of the first sliding block are formed in the first sliding block, the positive thread sections are connected with the positive thread holes, negative thread holes penetrating through the front side wall and the rear side wall of the second sliding block are formed in the second sliding block, the negative thread sections are connected with the negative thread holes, and the double-head screw is connected with an output shaft of the first servo motor.
Further, according to the double-head multi-die pipe bending machine, the positive thread section and the negative thread section on the double-head screw are of a split structure, the fixed seat is arranged at the middle part of the linear slide rail seat, the coupler capable of rotating in the fixed seat is arranged in the fixed seat, and the positive thread section and the negative thread section are both connected with the coupler.
Further, in the double-head multi-mode tube bending machine, two linear sliding rails parallel to each other are disposed upwards on the linear sliding rail seat, the first slider and the second slider are both clamped on the two linear sliding rails and can slide on the two linear sliding rails, the first locking mechanism on the first slider and the second locking mechanism on the second slider have the same structure, and taking the first locking mechanism as an example, the first locking mechanism includes: the locking screws arranged on the left side wall and the right side wall of the first sliding block are respectively provided with two threaded through holes, each threaded through hole is in threaded connection with one locking screw, and the locking screws on the left side wall and the right side wall of the first sliding block can respectively abut against the two linear sliding rails after being screwed in the threaded through holes.
Further, in the double-head multi-mode pipe bender, the first frame and the second frame are respectively provided with a slideway capable of being slidably connected with the feeding trolley.
Further, in the double-head multi-die pipe bender, the linear slide rail seat can be formed by splicing a plurality of linear slide rail seat modules with the same structure.
Further, aforementioned double-end multimode bending machine, wherein, the connection structure between first frame and the connecting plate is: the first rack is vertically provided with two first dovetail grooves, the connecting plate is vertically provided with two first dovetail groove guide rails, the two first dovetail groove guide rails on the connecting plate are respectively matched and connected with the two first dovetail grooves on the first rack, and the first rack is provided with a first driving mechanism capable of driving the connecting plate to move up and down.
Further, in the double-head multi-die pipe bender, two first driving mechanisms are disposed on the first frame, and each first driving mechanism includes: the second servo motor is fixedly arranged on the first rack, the speed reducer is connected with the second servo motor, the lead screw is connected with the speed reducer and vertically upwards arranged, two lead screw holes are vertically arranged on the connecting plate, and each lead screw hole is respectively in threaded connection with one lead screw.
Further, aforementioned double-end multimode bending machine, wherein, the connection structure between connecting plate and the headstock is: two second dovetail groove guide rails are horizontally arranged on the connecting plate, two second dovetail grooves are horizontally arranged on the headstock, the two second dovetail grooves on the headstock are respectively matched and connected with the two second dovetail groove guide rails on the connecting plate, and a third push-pull oil cylinder capable of driving the headstock to move left and right is arranged on the connecting plate.
The utility model has the advantages that: the linear slide rail seat modules with different quantities can be selected according to the length of the pipe to be bent to be spliced into the linear slide rail seat, so that the length of the linear slide rail seat is increased, the distance between the first rack and the second rack which can be kept away is increased, the double-end pipe bending work can be carried out on the pipes with different length specifications, and the application range of the double-end pipe bending machine is greatly improved. And after the feeding trolleys are arranged on the first rack and the second rack, the first multi-die pipe bending device on the first rack and the second multi-die pipe bending device on the second rack are matched with the feeding trolleys to perform single-head pipe bending operation on the pipe, so that the application range of the pipe bending machine is further expanded. In the pipe bending process, the top dies installed in the first multi-die pipe bending device and the second multi-die pipe bending device are fixed on the second sliding block and then can synchronously move forwards with the pipe bending pipe under the thrust action of the second push-pull oil cylinder, so that the pipe fixing effect is achieved, the pipe wall of the pipe is not damaged, and the pipe bending quality is greatly improved. And the top die is connected with the second sliding block through the T-shaped sliding groove, so that the disassembly and the assembly are facilitated, the top die with corresponding specifications can be replaced according to the specifications of the clamping die and the wheel die, and the working efficiency is greatly improved. The structure that the second servo motor is matched with the speed reducer and the screw rod in the first multi-die pipe bending device and the second multi-die pipe bending device can more stably drive the connecting plate and the headstock to lift on the corresponding racks respectively, and the lifting precision of the connecting plate and the headstock is also conveniently controlled, so that the pipe can be more conveniently clamped between the wheel die and the clamping die, and the pipe is prevented from being collided by overlong or overlong lifting strokes of the wheel die and the clamping die.
Drawings
Fig. 1 is a schematic front view of the double-head multi-mold pipe bender of the present invention.
Fig. 2 is a schematic top view of the structure of fig. 1.
Fig. 3 is a schematic structural view of the first multi-mode elbow device of fig. 1.
Fig. 4 is a schematic top view of the structure of fig. 3.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, the double-end multi-mold pipe bender comprises a first frame 2 and a second frame 3 which are arranged on a linear slide rail seat 1 in a sliding manner, wherein the linear slide rail seat 1 can be formed by splicing a plurality of linear slide rail seat modules, so that the length of the linear slide rail seat 1 can be increased at will, and the distance between the first frame 2 and the second frame 3 can be increased. A first multi-mode pipe bending device is arranged at the rear end of the first frame 2, a second multi-mode pipe bending device is arranged at the front end of the second frame 3, the structure of the first multi-mode pipe bending device is the same as that of the second multi-mode pipe bending device, and taking the first multi-mode pipe bending device as an example, the first multi-mode pipe bending device comprises: a connecting plate 21 vertically and slidably arranged on the first machine frame 2, a headstock 22 capable of horizontally sliding left and right on the connecting plate 21 is arranged on the connecting plate 21, a main shaft 23 is arranged on the headstock 22, a plurality of wheel molds with different specifications are stacked on the main shaft 23, a pipe bending arm 24 is connected on the main shaft 23, a plurality of clamping molds with different specifications are arranged on the pipe bending arm 24, each clamping mold is respectively matched with each wheel mold, a sliding seat 4 is arranged on the headstock 22, a first sliding block 41 capable of being close to or far away from the wheel molds is slidably arranged in the sliding seat 4, a first push-pull oil cylinder 42 connected with the first sliding block 41 is arranged on the sliding seat 4, a top clamping seat 43 is fixedly connected on the first sliding block 41, a second sliding block 44 capable of sliding back and forth in the top clamping seat 43 is slidably arranged in the top clamping seat 43, two T-shaped sliding grooves 45 penetrating through the upper end and the lower end of the second sliding block 44 are arranged on the second, the second sliding block 45 can be connected with top dies of different specifications through two T-shaped sliding grooves, a second push-pull oil cylinder 46 is arranged on the top clamping seat 43, and the second push-pull oil cylinder 46 is connected with the second sliding block 44.
Two linear slide rails 11 which are parallel to each other are arranged upwards on the linear slide rail seat 1, a first sliding block 5 is arranged at the bottom of the first frame 2, the first sliding block 5 is clamped on the rear sections of the two linear slide rails 11 and can slide back and forth on the two linear slide rails 11, and a first locking mechanism capable of locking the first sliding block 5 on the linear slide rail seat 1 is arranged on the first sliding block 5; be provided with second slider 6 in the bottom of second frame 3, second slider 6 card is established on two linear slide rail 11's front end portion, and can be on two linear slide rail 11 the back-and-forth slip, is provided with the second locking mechanism that can lock second slider 6 on linear slide rail seat 1 on second slider 6, first locking mechanism is the same with second locking mechanism's structure to first locking mechanism is the example, first locking mechanism includes: the locking screws 51 arranged on the left side wall and the right side wall of the first sliding block 5 are respectively provided with two threaded through holes, each threaded through hole is in threaded connection with one locking screw 51, and the locking screws 51 on the left side wall and the right side wall of the first sliding block 5 can respectively abut against the two linear sliding rails 11 after being screwed in the threaded through holes.
A synchronous driving device capable of synchronously driving the first frame 2 and the second frame 3 to approach or depart from is arranged between the first frame 2 and the second frame 3, and the synchronous driving device comprises: the double-end lead screw of setting on linear slide, 1, the double-end lead screw includes: two sections of positive thread sections 7 and negative thread sections 71 with opposite thread directions, the positive thread sections 7 and the negative thread sections 71 on the double-threaded screw are of a split structure, a fixed seat 12 is arranged at the middle part of the linear slide rail seat 1, a coupler 13 capable of rotating in the fixed seat 12 is arranged in the fixed seat 12, the positive thread sections 7 and the negative thread sections 71 are both connected with the coupler 13, positive thread holes penetrating through the front side wall and the rear side wall of the first sliding block 5 are formed in the first sliding block 5, the positive thread sections 7 are connected with the positive thread holes, negative thread holes penetrating through the front side wall and the rear side wall of the second sliding block 6 are formed in the second sliding block 6, the negative thread sections 71 are connected with the negative thread holes, and the double. When the double-end pipe bending work needs to be carried out on an overlong pipe, the first servo motor 72 is started, the first servo motor 72 drives the double-end lead screw to rotate, the positive thread section 7 and the negative thread section 71 on the double-end lead screw simultaneously drive the first sliding block 5 and the second sliding block 6 to be close to or far away from each other, so that the distance between the first rack 2 and the second rack 3 is adjusted, after the distance between the first rack 2 and the second rack 3 is adjusted, the first sliding block 5 and the second sliding block 6 are locked on the linear sliding rail seat 1 through the locking screws 51, then the pipe is placed on the first rack 2 and the second rack 3, and the pipe bending work can be simultaneously carried out on two ends of the pipe through the first multi-mode pipe bending device on the first rack 2 and the second multi-mode pipe bending device on the second rack.
In this embodiment, the first frame 2 and the second frame 3 are respectively provided with a slide rail 31 capable of being slidably connected with the feeding trolley. After the feeding trolley is arranged on the first rack 2 or the second rack 3 in a sliding manner, the first multi-mode pipe bending device on the first rack 2 and the second multi-mode pipe bending device on the second rack 3 are matched with the feeding trolley to realize single-head pipe bending of the pipe.
In this embodiment, the connection structure between the first frame 2 and the connection plate 21 is: two first dovetail grooves are vertically arranged on the first rack 2, two first dovetail groove guide rails 25 are vertically arranged on the connecting plate 21, the two first dovetail groove guide rails 25 on the connecting plate 21 are respectively matched and connected with the two first dovetail grooves on the first rack 2, and two first driving mechanisms capable of driving the connecting plate 21 to move up and down are arranged on the first rack 2. The first drive mechanism includes: second servo motor 8, speed reducer 81 and lead screw 82, first servo motor 8 is fixed to be set up on first frame 2, and speed reducer 81 links to each other with first servo motor 8, and lead screw 82 links to each other with speed reducer 81 to lead screw 82 sets up vertically upwards, vertically is provided with two lead screw holes on connecting plate 21, and each lead screw hole respectively with a lead screw 82 threaded connection. The first servo motor 8, in cooperation with the reducer 81 and the lead screw 82, can more stably drive the connecting plate 21 and the headstock 22 to ascend and descend on the first machine frame 2, and can also conveniently control the ascending and descending accuracy of the connecting plate 21 and the headstock 22.
In this embodiment, the connection structure between the connection plate 21 and the headstock 22 is: two second dovetail guide rails 26 are horizontally arranged on the connecting plate 21, two second dovetail grooves are horizontally arranged on the headstock 22, the two second dovetail grooves on the headstock 22 are respectively matched and connected with the two second dovetail guide rails 26 on the connecting plate 21, and a third push-pull oil cylinder 27 capable of driving the headstock 22 to move left and right is arranged on the connecting plate 21.
The utility model has the advantages that: the linear slide rail seat modules with different quantities can be selected according to the length of the pipe to be bent to be spliced into the linear slide rail seat, so that the length of the linear slide rail seat is increased, the distance between the first rack and the second rack which can be kept away is increased, the double-end pipe bending work can be carried out on the pipes with different length specifications, and the application range of the double-end pipe bending machine is greatly improved. And after the feeding trolleys are arranged on the first rack and the second rack, the first multi-die pipe bending device on the first rack and the second multi-die pipe bending device on the second rack are matched with the feeding trolleys to perform single-head pipe bending operation on the pipe, so that the application range of the pipe bending machine is further expanded. In the pipe bending process, the top dies installed in the first multi-die pipe bending device and the second multi-die pipe bending device are fixed on the second sliding block and then can synchronously move forwards with the pipe bending pipe under the thrust action of the second push-pull oil cylinder, so that the pipe fixing effect is achieved, the pipe wall of the pipe is not damaged, and the pipe bending quality is greatly improved. And the top die is connected with the second sliding block through the T-shaped sliding groove, so that the disassembly and the assembly are facilitated, the top die with corresponding specifications can be replaced according to the specifications of the clamping die and the wheel die, and the working efficiency is greatly improved. The structure that the second servo motor is matched with the speed reducer and the screw rod in the first multi-die pipe bending device and the second multi-die pipe bending device can more stably drive the connecting plate and the headstock to lift on the corresponding racks respectively, and the lifting precision of the connecting plate and the headstock is also conveniently controlled, so that the pipe can be more conveniently clamped between the wheel die and the clamping die, and the pipe is prevented from being collided by overlong or overlong lifting strokes of the wheel die and the clamping die.

Claims (9)

1. Double-end multimode bending machine, its characterized in that: the pipe bending device comprises a first rack and a second rack which are arranged on a linear slide rail seat in a sliding manner, wherein a first multimode pipe bending device is arranged at the rear end of the first rack; a second multimode pipe bending device is arranged at the front end of the second rack, a second sliding block is arranged at the bottom of the second rack, the second sliding block is arranged on the front section of the linear sliding rail seat in a sliding manner, a second locking mechanism capable of locking the second sliding block on the linear sliding rail seat is arranged on the second sliding block, and a synchronous driving device capable of synchronously driving the first rack and the second rack to approach or depart is arranged between the first rack and the second rack; the structure of the first multi-mode pipe bending device is the same as that of the second multi-mode pipe bending device, and taking the first multi-mode pipe bending device as an example, the first multi-mode pipe bending device comprises: a connecting plate vertically and slidably arranged on a first machine frame, a machine head seat capable of horizontally sliding left and right on the connecting plate is arranged on the connecting plate, a main shaft is arranged on the machine head seat, a plurality of wheel dies with different specifications are stacked on the main shaft, a pipe bending arm is connected on the main shaft, a plurality of clamping dies with different specifications are arranged on the pipe bending arm, each clamping die is respectively matched with each wheel die, a sliding seat is arranged on the machine head seat, a first sliding block capable of being close to or far away from the wheel dies is slidably arranged in the sliding seat, a first push-pull oil cylinder connected with the first sliding block is arranged on the sliding seat, a top clamping seat is fixedly connected on the first sliding block, a second sliding block capable of sliding back and forth in the top clamping seat is slidably arranged in the top clamping seat, two T-shaped sliding grooves penetrating through the upper end and the lower end of the second sliding block are arranged on the second sliding block, and the second sliding block can be connected with, and a second push-pull oil cylinder is arranged on the top clamping seat and connected with a second sliding block.
2. The double-ended, multi-mold bender according to claim 1, wherein: the synchronous drive device includes: the double-end lead screw of setting on the straight line slide rail seat, the double-end lead screw includes: the two sections of positive thread sections and negative thread sections with opposite thread directions are arranged, positive thread holes penetrating through the front side wall and the rear side wall of the first sliding block are formed in the first sliding block, the positive thread sections are connected with the positive thread holes, negative thread holes penetrating through the front side wall and the rear side wall of the second sliding block are formed in the second sliding block, the negative thread sections are connected with the negative thread holes, and the double-head screw is connected with an output shaft of the first servo motor.
3. The double-ended, multi-mold bender according to claim 2, wherein: the positive thread section and the negative thread section on the double-end screw are of split structures, a fixed seat is arranged at the middle part of the linear slide rail seat, a coupler capable of rotating in the fixed seat is arranged in the fixed seat, and the positive thread section and the negative thread section are both connected with the coupler.
4. The dual-headed, multi-die bender according to claim 1, 2 or 3, wherein: upwards be provided with two linear slide rails that are parallel to each other on the linear slide rail seat, first slider and second slider all block establish on two linear slide rails and can slide on two linear slide rails, and first locking mechanism on the first slider is the same with second locking mechanism's on the second slider structure to first locking mechanism is the example, first locking mechanism includes: the locking screws arranged on the left side wall and the right side wall of the first sliding block are respectively provided with two threaded through holes, each threaded through hole is in threaded connection with one locking screw, and the locking screws on the left side wall and the right side wall of the first sliding block can respectively abut against the two linear sliding rails after being screwed in the threaded through holes.
5. The dual-headed, multi-die bender according to claim 1, 2 or 3, wherein: and the first rack and the second rack are respectively provided with a slideway which can be in sliding connection with the feeding trolley.
6. The dual-headed, multi-die bender according to claim 1, 2 or 3, wherein: the linear slide rail seat can be formed by splicing a plurality of linear slide rail seat modules with the same structure.
7. The dual-headed, multi-die bender according to claim 1, 2 or 3, wherein: the connection structure between the first frame and the connection plate is as follows: the first rack is vertically provided with two first dovetail grooves, the connecting plate is vertically provided with two first dovetail groove guide rails, the two first dovetail groove guide rails on the connecting plate are respectively matched and connected with the two first dovetail grooves on the first rack, and the first rack is provided with a first driving mechanism capable of driving the connecting plate to move up and down.
8. The double-ended, multi-mold bender according to claim 7, wherein: two first driving mechanisms are arranged on the first rack, and each first driving mechanism comprises: the second servo motor is fixedly arranged on the first rack, the speed reducer is connected with the second servo motor, the lead screw is connected with the speed reducer and vertically upwards arranged, two lead screw holes are vertically arranged on the connecting plate, and each lead screw hole is respectively in threaded connection with one lead screw.
9. The dual-headed, multi-mold bender according to claim 8, wherein: the connection structure between connecting plate and headstock does: two second dovetail groove guide rails are horizontally arranged on the connecting plate, two second dovetail grooves are horizontally arranged on the headstock, the two second dovetail grooves on the headstock are respectively matched and connected with the two second dovetail groove guide rails on the connecting plate, and a third push-pull oil cylinder capable of driving the headstock to move left and right is arranged on the connecting plate.
CN202021315979.9U 2020-07-08 2020-07-08 Double-head multi-die pipe bender Active CN212551174U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021315979.9U CN212551174U (en) 2020-07-08 2020-07-08 Double-head multi-die pipe bender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021315979.9U CN212551174U (en) 2020-07-08 2020-07-08 Double-head multi-die pipe bender

Publications (1)

Publication Number Publication Date
CN212551174U true CN212551174U (en) 2021-02-19

Family

ID=74620292

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021315979.9U Active CN212551174U (en) 2020-07-08 2020-07-08 Double-head multi-die pipe bender

Country Status (1)

Country Link
CN (1) CN212551174U (en)

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