CN210818411U - Elbow pipe machining assembly line - Google Patents

Abstract

The utility model discloses a pipe bending production line, which relates to the technical field of pipe fitting processing and solves the problems that the common multi-process pipe bending needs to consume a large amount of manpower and time for carrying and loading and unloading workpieces, the processing efficiency is low, the processing cost is high, and the processing requirement which is gradually increased can not be met; the first conveying line is connected with the pipe brushing workstation; a first manipulator for pipe fitting circulation is arranged between the pipe brushing workstation and the laser cutting device; be equipped with the third manipulator that is used for the pipe fitting circulation between laser cutting device and the reaming production line, reach the quantity that can be convenient for reduce the workman to in the difficulty of alleviating enterprise's management difficulty, still can use the machine in order to replace the long-time repetitive work of workman, and then reduce workman's intensity of labour, still can make product quality reliable and stable purpose more.

Description

Elbow pipe machining assembly line

Technical Field

The utility model relates to a pipe fitting processing technology field, in particular to return bend processing assembly line.

Background

In the path of conveying and connecting, the pipeline is an indispensable connecting piece, for example, in the pipeline conveying of media such as liquid, gas, the return bend is an indispensable connecting piece to change the trend of pipeline, conveniently carry.

The processing procedure of single pipe fitting includes unloading, the pipe end, the reaming, drilling and return bend etc. processing of each process of pipeline among the prior art is respectively processed the gained through corresponding equipment separately, generally the pipe fitting processing of single process has been carried out earlier, carry the pipe fitting manual work to next process again, so analogize and accomplish the multiple operation processing of pipe fitting, but this kind of production and processing mode need consume on a large amount of manpowers and time are used for the process of transport and loading and unloading work piece, not only machining efficiency is low, the processing cost is high, but also can't satisfy the processing demand that increases gradually day by day.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipe bending production line, the pipe bending production line that has pipelined can be convenient for reduce workman's quantity to in the difficulty of alleviating enterprise's management difficulty, still usable machine is in order to replace the long-time repetitive work of workman, and then reduces workman's intensity of labour, still can make product quality reliable and stable advantage more.

The above technical purpose of the present invention can be achieved by the following technical solutions: a bent pipe machining assembly line is sequentially provided with a first conveying line for feeding a pipe fitting, a pipe brushing work station for brushing the surface of the pipe fitting, a laser cutting device for cutting the pipe fitting and a hole expanding production line for expanding the hole of the pipe fitting; the first conveying line is connected with the pipe brushing workstation; a first manipulator for pipe circulation is arranged between the pipe brushing workstation and the laser cutting device; and a third manipulator for pipe fitting circulation is arranged between the laser cutting device and the reaming production line.

According to the utility model, the brushing tube workstation comprises a cleaning and positioning component for positioning the tube and a first cleaning and brushing component for cleaning and brushing the interior of the tube; the cleaning and positioning assembly comprises a lower clamping part for placing the pipe fitting in advance and an upper clamping part arranged in clamping fit with the lower clamping part; a clamping groove is formed in one side, facing the lower clamping part, of the upper clamping part; the first cleaning component comprises a cleaning brush head and a cleaning drive device connected with the cleaning brush head, and the cleaning drive device drives the cleaning brush head to move back and forth between the upper clamping part and the lower clamping part.

The utility model discloses a further setting, next clamping part slope sets up, and its slope side is provided with side clamping part, side clamping part include the curb plate and with the second linear drive device that the curb plate is connected, second linear drive device drive the curb plate orientation reciprocal side pressure motion is made to next clamping part position.

The utility model discloses a further setting, the slope side below of next clamping part is provided with the second that is used for brushing the pipe fitting outer wall and cleans the subassembly, the second clean the subassembly with be provided with the guide fishplate bar between the next clamping part.

Through adopting above-mentioned technical scheme, the upper clamping part is vertical direction toward being close to the direction of lower clamping part, and side clamping part is the horizontal direction toward keeping away from the direction of lower clamping part. Firstly, placing the pipe fitting on a first conveying line, and then conveying the pipe fitting to a first inclined plate by the first conveying line, so that the pipe fitting slides to a lower clamping part along the first inclined plate under the action of gravity; then, the first linear driving device drives the upper clamping part to approach to the lower clamping part until the pipe fitting is clamped in the vertical direction; then, the second linear driving device drives the second lateral clamping part to approach to one side of the pipe fitting until the other side of the pipe fitting is attached to the first lateral clamping part, so that the pipe fitting can be fixed before being cleaned; and then, the third linear driving device drives the first cleaning component to penetrate into the inner wall of the pipe fitting, so that the first cleaning component can complete the derusting and cleaning process of the inner wall of the pipe fitting. The automatic derusting can greatly accelerate the derusting efficiency of the pipe, so that the processing cost of manual derusting is reduced, and the production benefit of enterprises is improved.

The utility model discloses a further setting, laser cutting device includes the welding position subassembly that is used for return bend fixed position, towards the laser cutting portion of welding position subassembly, slewing mechanism and set up in the second drive assembly of welding position subassembly side; the welding positioning assembly is arranged on the movable end of the rotating mechanism; the second driving assembly comprises a first moving device used for driving the laser cutting part to move, and the laser cutting part is arranged on the movable end of the first moving device.

The utility model discloses a further setting, the welding position subassembly include with return bend assorted positioning seat and be used for the pressfitting to press from both sides the fourth linear drive device of tight return bend, set up on the positioning seat with return bend assorted first opening, fourth linear drive device's expansion end moving direction is for arranging along first open-ended axial.

The utility model discloses a further setting, the laser cutting device is including being used for brushing the notched third clear brush subassembly behind the laser cutting, the third clear brush subassembly includes first brush head and arranges the third mobile device of direction on the welding position subassembly along the return bend, first brush head sets up and serves in the activity of third mobile device.

According to the utility model, the reaming production line comprises a first reaming die for reaming one end of the bent pipe and a second reaming die for reaming the other end of the bent pipe; a shaping die is arranged between the first hole expanding die and the second hole expanding die; the first reaming die comprises a first male die and a first female die for positioning the bent pipe, and the first male die and the first female die are arranged along the buckling direction of the first male die and the first female die; the second reaming die comprises a second male die and a second female die for positioning the bent pipe, and the second male die and the second female die are arranged along the buckling direction of the second male die and the second female die.

The utility model discloses a further setting, first master model includes first last mould and first lower mould along vertical direction lock, the side that first lower mould is close to first last mould is equipped with the first depressed part with return bend phase-match location, be equipped with the second depressed part that corresponds the matching with first depressed part on the first mould.

The utility model discloses a further setting, the plastic mould includes mould and third lower mould on the third that parallels with first public mould lock direction, the side that the third lower mould is close to mould on the third is equipped with the fifth depressed part with pipe fitting assorted, the mould is equipped with the sixth depressed part that matches with the fifth depressed part on the third.

By adopting the technical scheme, the buckling directions of the first male die and the second male die are opposite, and the buckling directions of the second female die and the second female die are opposite, so that the buckling directions of the first reaming die and the second reaming die are opposite, and therefore, the reaming processes of two ends of the same bent pipe can be realized; not only can be convenient for in time to the deformation adjustment of going on of second return bend, still can be convenient for realize the reaming process of two return bends simultaneously, and then be convenient for improve the production efficiency of return bend reaming processing.

To sum up, the utility model discloses following beneficial effect has:

1. the assembly line type pipe bending production line can reduce the number of workers so as to relieve the difficulty of difficult enterprise management, and can replace long-time repeated work of the workers by using a machine, thereby reducing the labor intensity of the workers and ensuring that the product quality is more stable and reliable;

2. the automatic rust removal can greatly accelerate the rust removal efficiency of the pipe, so that the processing cost of manual rust removal is reduced, and the production benefit of an enterprise is improved;

3. the annular laser cutting of the bent pipe can be realized quickly, the bent pipe cutting efficiency can be improved greatly, and the production and processing cost of enterprises is reduced;

4. can realize the reaming process respectively at the both ends of same return bend, and then be convenient for improve return bend reaming's machining efficiency.

Generally speaking the utility model discloses, pipelined's return bend processing lines can be convenient for reduce workman's quantity to in alleviating the difficult difficulty of enterprise management, still usable machine is in order to replace the long-time repetitive work of workman, and then reduces workman's intensity of labour, still can make product quality more reliable and more stable.

Drawings

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

FIG. 2 is a schematic structural view of a reaming line in the present embodiment;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is a schematic structural view of another perspective of the reaming line of the present embodiment;

FIG. 6 is an enlarged view at C in FIG. 5;

FIG. 7 is an enlarged view at D of FIG. 5;

FIG. 8 is a schematic structural view of a brushing tube station in the present embodiment;

FIG. 9 is an enlarged view at A in FIG. 8;

FIG. 10 is a schematic structural view of a laser cutting apparatus according to the present embodiment;

fig. 11 is an enlarged view at B in fig. 10.

Reference numerals: 1. a brushing tube workstation; 2. a laser cutting device; 3. reaming a production line; 4. a first manipulator; 5. a second manipulator; 6. a third manipulator; 7. a first conveyor line; 8. a first inclined plate; 9. a second cleaning assembly; 10. a first roller; 11. a second roller; 12. a limiting part; 13. cleaning and brushing the positioning assembly; 14. a lower clamping part; 15. an upper clamping part; 16. a lateral clamping part; 17. guiding the connecting plate; 18. a first cleaning assembly; 19. a first drive assembly; 191. a first linear driving device; 192. A second linear drive; 193. a brushing drive device; 20. a weld detector; 21. a first roller assembly; 22. inclining the slideway; 23. a first manipulator; 24. a first pitch; 25. a pipe bender; 26. a clamping groove; 27. cleaning the brush head; 28. a laser cutting section; 29. a rotating mechanism; 30. welding a positioning component; 31. positioning seats; 32. a fourth linear drive; 33. a second drive assembly; 34. a first mobile device; 35. a second clamping mechanism; 36. a fifth mobile device; 37. a third brushing assembly; 38. A first brush head; 39. a third mobile device; 40. a second brush head; 41. a fourth mobile device; 42. a dust collection device; 43. a first discharge assembly; 44. a discharge platform; 45. a sixth mobile device; 46. a first clamping mechanism; 47. a first opening; 48. a bent pipe transfer table; 49. bending the pipe; 50. a fifth linear drive; 51. a sixth linear drive; 52. a first hole expanding die; 53. a first male mold; 54. a first female die; 55. a first upper die; 56. a first lower die; 57. shaping the die; 58. a third upper die; 59. a third lower die; 60. a second reaming die; 61. a second male mold; 62. a second master mold; 63. a second upper die; 64. A second lower die; 65. a first recess; 66. a second recess; 67. a third recessed portion; 68. a fourth recess; 69. a fifth recessed portion; 70. a sixth recessed portion; 71. a blanking conveying line; 72. a second manipulator; 73. double-magnetic-attraction product gripper.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a pipe bending production line is sequentially provided with a first conveying line 7 for feeding pipe fittings, a pipe brushing work station 1 for brushing the surfaces of the pipe fittings, a laser cutting device 2 for cutting the pipe fittings and a hole expanding production line 3 for expanding the holes of the pipe fittings as shown in figures 1 to 11; the first conveying line 7 is connected with the tube brushing workstation 1; a first manipulator 234 for pipe circulation is arranged between the pipe brushing workstation 1 and the laser cutting device 2; and a third manipulator 6 for pipe fitting circulation is arranged between the laser cutting device 2 and the reaming production line 3.

Brushing tube workstation 1:

a brushing tube station 1, as shown in figures 2 to 7, comprises a brushing positioning assembly 13 for positioning a tube and a first brushing assembly 18 for brushing the interior of the tube; the cleaning and positioning assembly 13 comprises a lower clamping part 14 for placing the pipe fitting in advance and an upper clamping part 15 arranged in clamping fit with the lower clamping part 14; the upper clamping portion 15 is provided with a clamping groove 26 toward the lower clamping portion 14; first cleaning assembly 18 includes cleaning head 27 and cleaning drive 193 connected to cleaning head 27. cleaning drive 193 drives cleaning head 27 between upper and lower clamps 15 and 14 in a reciprocating cleaning motion. In this embodiment, the cleaning brush head 27 is a brush head commonly used in the art for removing rust on the surface of a pipe, and the cleaning brush driving device 193 is a linear driving device, but not limited thereto, and can drive the cleaning brush head 27 to reciprocate. The lower clamping portion 14 is a straight sheet metal member.

The brushing tube station 1 of the present embodiment further includes a first linear driving device 191 disposed along the upper clamping portion 15 toward the lower clamping portion 14, and the upper clamping portion 15 is disposed on the movable end of the first linear driving device 191.

The lower clamping portion 14 is obliquely arranged, a side clamping portion 16 is arranged on the oblique side of the lower clamping portion, the side clamping portion 16 comprises a side plate and a second linear driving device 192 connected with the side plate, and the second linear driving device 192 drives the side plate to do reciprocating side pressure movement towards the position of the lower clamping portion 14. A second cleaning component 9 for cleaning the outer wall of the pipe fitting is arranged below the inclined side of the lower clamping part 14, and a guide connecting plate 17 is arranged between the second cleaning component 9 and the lower clamping part 14.

The brush tube workstation 1 of the present embodiment further includes a first conveying line 7 and a first inclined plate 8 for feeding the tube, one end of the first inclined plate 8 is connected to the tail end of the first conveying line 7 along the feeding direction, and the other end is connected to the lower clamping portion 14.

The upper clamping portion 15 is vertically oriented toward the lower clamping portion 14, and the side clamping portion 16 is horizontally oriented away from the lower clamping portion 14. First, the second linear driving device 192 drives the lateral gripping portion 16 to approach one side of the pipe until the lateral gripping portion coincides with the lower gripping portion 14; placing the pipe on the first conveyor line 7, then conveying the pipe by the first conveyor line 7 onto the first inclined plate 8 so that the pipe slides under the action of gravity along the first inclined plate 8 onto the lower clamp 14; next, the first linear driving device 191 drives the upper clamping portion 15 to approach to the lower clamping portion 14 until the pipe fitting is clamped in the vertical direction, so that the pipe fitting can be fixed before being cleaned; next, the brush driving device 193 drives the first brush assembly 18 to penetrate the inner wall of the pipe, so that the first brush assembly 18 can complete the rust removing and cleaning process for the inner wall of the pipe. The automatic derusting can greatly accelerate the derusting efficiency of the pipe, so that the processing cost of manual derusting is reduced, and the production benefit of enterprises is improved.

The second cleaning assembly 9 comprises a first roller 10 and a second roller 11 which are arranged adjacently and in parallel, and a first distance 24 which is smaller than or equal to the diameter of the pipe fitting is reserved between the first roller 10 and the second roller 11.

The brushing tube workstation 1 of the embodiment further comprises a limiting part 12 for preventing the tube from sliding off the second cleaning component 9, wherein the limiting part 12 is arranged above the first roller 10 close to the cleaning and positioning component 13. After the pipe is cleaned and brushed in the first step, the second linear driving device 192 drives the lateral clamping portion 16 to move in the direction away from the lower clamping portion 14, and since the lower clamping portion 14 is a straight plate, the pipe can slide down from the lower clamping portion 14 into the first space 24 between the first roller 10 and the second roller 11, the limiting portion 12 can prevent the pipe from sliding down out of the second cleaning and brushing assembly 9, and finally the outer wall of the pipe can be cleaned and derusted.

A first roller assembly 21 for keeping the pipe fitting rotating is arranged below the second cleaning assembly 9; an inclined slideway 22 is arranged between the first roller assembly 21 and the second cleaning assembly 9; the first roller assembly 21 is provided with a weld seam detector 20 beside. After the outer wall of the pipe fitting is cleaned and derusted, the pipe fitting falls into the inclined slideway 22 and slides into the first roller assembly 21 along the inclined slideway 22, the first roller assembly 21 can enable the pipe fitting to continuously keep a rotating state, and at the moment, the welding seam detector 20 can effectively detect the welding seam condition of the outer wall of the pipe fitting. Example two:

an elbow 49 machine 25 includes a brushing station 1 and a first robot 234 for picking workpieces to the elbow 49 machine 25. The first robot 234 is a three-axis slide. The first robot 234 may be used to move the pipe into the pipe bending machine 49 25 to facilitate the pipe bending machine 49 bending the pipe.

Laser cutting device 2:

a laser cutting device 2 for cutting an elbow 49, as shown in fig. 10 to 11, comprising a laser cutting part 28, a welding positioning assembly 30 for fixing and positioning the elbow 49, a rotating mechanism 29 and a second driving assembly 33; the welding positioning assembly 30 is arranged on the movable end of the rotating mechanism 29; the second driving assembly 33 includes a first moving device 34 for driving the laser cutting portion 28 to move, and the laser cutting portion 28 is disposed on a movable end of the first moving device 34. The welding positioning assembly 30 comprises a positioning seat 31 matched with the bent pipe 49 and a fourth linear driving device 32 used for pressing and clamping the bent pipe 49, a first opening 47 matched with the bent pipe 49 is formed in the positioning seat 31, and the moving direction of the movable end of the fourth linear driving device 32 is arranged along the axial direction of the first opening 47. The second driving assembly 33 comprises a second clamping mechanism 35 for clamping the elbow pipe 49, and a fifth moving device 36 adjacently arranged at the side of the welding positioning assembly 30, the second clamping mechanism 35 is adjacently arranged on the movable end of the fourth linear driving device 32, and the second clamping mechanism 35 is a rotary clamping mechanism capable of rotating around the axial direction of the second clamping mechanism 35.

In this embodiment, a laser cutting device 2 applied to cutting of the elbow 49 further includes a third brushing assembly 37 for brushing the cut after laser cutting, the third brushing assembly 37 includes a first brushing head 38 and a third moving device 39 arranged along the elbow 49 on the welding positioning assembly 30, and the first brushing head 38 is disposed on the movable end of the third moving device 39. The third brush assembly 37 further comprises a second brush head 40 positioned below the first brush head 38, and a fourth moving device 41 parallel to the third moving device 39, the second brush head 40 being disposed on a movable end of the fourth moving device 41. The third brush assembly 37 includes a suction device 42 for drawing debris generated by the cutting process, the suction device 42 having an input end adjacent and directed toward the first brush head 38, the suction device 42 being effective to draw and collect the debris as the first brush head 38 brushes the cut of the bend 49.

The second driving assembly 33 includes a second moving device for driving the welding positioning assembly 30, and the welding positioning assembly 30 is disposed on the movable end of the second moving device.

In this embodiment, a laser cutting device 2 applied to cutting of the elbow 49 further includes a first discharging assembly 43 for discharging after cutting of the elbow 49, the first discharging assembly 43 includes a discharging platform 44 for placing the elbow 49 after cutting and a sixth moving device 45, and the discharging platform 44 is disposed on a movable end of the sixth moving device 45. The first discharging assembly 43 includes a first clamping mechanism 46 for clamping the cut elbow 49, and the first clamping mechanism 46 is disposed on the discharging platform 44.

In the present embodiment, the laser cutting device 2 applied to cutting the elbow 49 further includes an elbow 49 transfer table 48 for temporarily placing the elbow 49 before cutting, and the elbow 49 transfer table 48 is adjacently disposed on the welding positioning assembly 30.

The working process is as follows:

firstly, the bent pipe 49 is taken off from the pipe bending machine 25 and is fittingly mounted on the positioning seat 31 along the direction of the first opening 47; next, another elbow 49 may be temporarily placed on the elbow 49 transfer table 48; then the movable end of the fourth linear drive 32 is driven to move in the direction close to the bend 49 until the bend 49 is clamped; then, the laser cutting part 28 is driven to perform laser cutting on the bent pipe 49, and the bent pipe 49 can be driven to rotate through the rotating mechanism 29, so that annular cutting of the bent pipe 49 is achieved; when the bent pipe 49 is about to finish annular cutting and fall, the second clamping mechanism 35 clamps the cut bent pipe 49;

the bent pipe 49 is divided into two sections, then the second moving device drives the first section bent pipe 49 on the welding positioning assembly 30 to approach to the first brush head 38, and the third moving device 39 drives the first brush head 38 to approach to the first section bent pipe 49 and cleans the cutting opening on the section bent pipe 49; simultaneously, the fifth moving device 36 drives the cutting opening of the second section of bent pipe 49 on the second clamping mechanism 35 to approach the second brush head 40, at the same time, the third moving device 39 drives the second brush head 40 to approach the cutting opening of the second section of bent pipe 49, and the cutting opening of the bent pipe 49 after cutting is cleaned; the section of bent pipe 49 is placed in the movable end of the first clamping mechanism 46 on the discharging platform 44; next, the first clamping mechanism 46 clamps and fixes the cut elbow 49; the sixth moving device 45 drives the discharging platform 44 to move in a direction close to another process so that the manipulator or person in the next process can take the elbow 49.

By adopting the technical scheme, the annular laser cutting of the bent pipe 49 can be quickly realized, so that the cutting quality of the bent pipe 49 is effectively improved; secondly, the cutting opening of the bent pipe 49 can be cleaned, so that the roughness of the cutting opening of the bent pipe 49 can be reduced, and the influence on the next working procedure can be reduced; secondly, the mutual cooperation of a plurality of mobile device can be convenient for improve the efficiency of return bend 49 cutting by a wide margin, reduces the cost of enterprise's production and processing.

And (3) reaming production line:

a production line for reaming elbow 49, as shown in fig. 8 to 9, comprises a first reaming die 52 for reaming one end of elbow 49 and a second reaming die 60 for reaming the other end of elbow 49; a shaping die 57 is arranged between the first hole expanding die 52 and the second hole expanding die 60; the first reaming die 52 comprises a first male die 53 and a first female die 54 for positioning the elbow 49, the first male die 53 and the first female die 54 being arranged along the direction of engagement of the two; the second reaming die 60 comprises a second male die 61 and a second female die 62 for positioning the bend 49, the second male die 61 and the second female die 62 being arranged along the direction of engagement of the two. The first and second hole enlarging dies 52 and 60 are symmetrically arranged with respect to the shaping die 57.

The first female die 54 includes a first upper die 55 and a first lower die 56 which are fastened together along the vertical direction, a first concave portion 65 which is matched and positioned with the bent pipe 49 is provided on the side of the first lower die 56 close to the first upper die 55, and a second concave portion 66 which is matched with the first concave portion 65 is provided on the first upper die 55.

The second female die 62 comprises a second upper die 63 and a second lower die 64 which are buckled together along the vertical direction, a third concave portion 67 which is matched and positioned with the elbow 49 is arranged on the side surface of the second lower die 64 close to the second upper die 63, and a fourth concave portion 68 which is matched with the third concave portion 67 is arranged on the second upper die 63.

The production line for reaming the elbow 49 of the present embodiment further includes a fifth linear driving device 50 disposed along the first male mold 53 toward the direction close to the first female mold 54 and along the fastening direction of the first reaming mold 52, wherein the first male mold 53 is disposed on the movable end of the fifth linear driving device 50.

The production line for reaming the elbow 49 of the present embodiment further includes a sixth linear driving device 51 disposed along the second male die 61 toward the direction close to the second female die 62 and along the fastening direction of the second reaming die 60, wherein the second male die 61 is disposed on the movable end of the sixth linear driving device 51.

The shaping mold 57 includes a third upper mold 58 and a third lower mold 59 parallel to the buckling direction of the first male mold 53, a fifth concave portion 69 matching with the pipe is provided on the side surface of the third lower mold 59 close to the third upper mold 58, and a sixth concave portion 70 matching with the fifth concave portion 69 is provided on the third upper mold 58. The number of the shaping dies 57 is at least two, and the shaping dies 57 are symmetrically arranged along a center line between the first and second broaching dies 52, 60.

A second robot 725 for gripping bent tube 49 is provided beside shaping mold 57. The second manipulator 725 is provided with a double-magnetic-absorption product gripper 73 arranged corresponding to the shaping mold 57. The double-magnetic-absorption product hand grab 73 is provided with magnetic suction head assemblies for absorbing metal pipe fittings at two ends respectively, so that the double-magnetic-absorption product hand grab 73 can grab two pipe fittings simultaneously, and is convenient to install in the shaping die 57, and can shape the two pipe fittings simultaneously, and the shaping efficiency is improved. This embodiment still includes the unloading transfer chain 71 that is used for the reaming process back ejection of compact and the adjacent third manipulator 6 that sets up in unloading transfer chain 71 side, and unloading transfer chain 71 is adjacent to be set up in the side of second reaming mould 60.

First, the robot fits the first elbow 49 to be reamed to the first recess 65 on the first lower die 56; simultaneously, the robot fits the second bent tube 49 or straight tube into the fifth recess 69; simultaneously, the second manipulator 725 fittingly mounts the second bend 49 to be reamed to the third recess 67 on the second lower die 64 by means of the double magnetic suction product gripper 73; the first upper die 55, the second upper die 63 and the third upper die 58 are all arranged on a male die of the same stamping device, so that the first upper die 55 and the third upper die 58 simultaneously complete clamping of three bent pipes 49, and simultaneously, the second upper die 63 performs a shaping process on the second bent pipe 49 or a straight pipe; next, the fifth linear driving device 50 drives the first male die 53 to move towards the first female die 54 until one end of the first bent pipe 49 completes the hole expanding process; simultaneously, the sixth linear driving device 51 drives the second male mold 61 to move toward the second female mold 62 until one end of the third bent pipe 49 completes the hole expanding process. The buckling directions of the first male die 53 and the second male die 61 are opposite, and the buckling directions of the second female die 62 and the second female die 62 are opposite, which means that the buckling directions of the first reaming die 52 and the second reaming die 60 are opposite, so that the reaming processes of two ends of the same bent pipe 49 can be realized; not only can be convenient for timely adjusting the deformation of the second bent pipe 49, but also can be convenient for simultaneously realizing the reaming procedures of the two bent pipes 49, and further is convenient for improving the production efficiency of reaming the bent pipes 49. The second manipulator 725 can facilitate the bent pipe 49 to be simultaneously grabbed and mounted to the shaping mold 57 through the double-magnetic-attraction product gripper 73, thereby greatly improving the shaping efficiency of the bent pipe 49.

In the present embodiment, the first moving device 34, the second moving device, the third moving device 39, the fourth moving device 41, the fifth moving device 36, and the sixth moving device 45 are all two-axis or three-axis or more linkage sliding tables commonly used in the art, but the present invention is not limited thereto, and may be any table that can realize multi-axis linkage movement.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (10)

1. A bent pipe machining production line is characterized by comprising a first conveying line for feeding a pipe fitting, a pipe brushing work station for cleaning the surface of the pipe fitting, a laser cutting device for cutting the pipe fitting and a hole expanding production line for expanding the hole of the pipe fitting, wherein the first conveying line is used for conveying the pipe fitting; the first conveying line is connected with the pipe brushing workstation; a first manipulator for pipe circulation is arranged between the pipe brushing workstation and the laser cutting device; and a third manipulator for pipe fitting circulation is arranged between the laser cutting device and the reaming production line.

2. The elbow processing line according to claim 1, wherein the pipe brushing station comprises a brushing positioning assembly for positioning the pipe and a first brushing assembly for brushing the interior of the pipe; the cleaning and positioning assembly comprises a lower clamping part for placing the pipe fitting in advance and an upper clamping part arranged in clamping fit with the lower clamping part; a clamping groove is formed in one side, facing the lower clamping part, of the upper clamping part; the first cleaning component comprises a cleaning brush head and a cleaning drive device connected with the cleaning brush head, and the cleaning drive device drives the cleaning brush head to move back and forth between the upper clamping part and the lower clamping part.

3. The pipe bending line according to claim 2, wherein the lower clamping portion is disposed at an angle, and a side clamping portion is disposed at an inclined side of the lower clamping portion, the side clamping portion includes a side plate and a second linear driving device connected to the side plate, and the second linear driving device drives the side plate to perform a reciprocating side pressure motion toward the position of the lower clamping portion.

4. The pipe bending line according to claim 2, wherein a second brushing assembly for brushing the outer wall of the pipe is disposed below the inclined side of the lower clamping portion, and a guide plate is disposed between the second brushing assembly and the lower clamping portion.

5. The pipe bending production line according to claim 1, wherein the laser cutting device comprises a welding positioning assembly for fixedly positioning the bent pipe, a laser cutting portion facing the welding positioning assembly, a rotating mechanism and a second driving assembly arranged beside the welding positioning assembly; the welding positioning assembly is arranged on the movable end of the rotating mechanism; the second driving assembly comprises a first moving device used for driving the laser cutting part to move, and the laser cutting part is arranged on the movable end of the first moving device.

6. The pipe bending production line according to claim 5, wherein the welding positioning assembly includes a positioning seat matched with the bent pipe and a fourth linear driving device for pressing and clamping the bent pipe, the positioning seat is provided with a first opening matched with the bent pipe, and a moving direction of a moving end of the fourth linear driving device is arranged along an axial direction of the first opening.

7. The elbow machining assembly line of claim 1, wherein the laser cutting device comprises a third brushing assembly for brushing the cut after the laser cutting, the third brushing assembly comprises a first brushing head and a third moving device arranged on the welding positioning assembly along the elbow, and the first brushing head is arranged on a movable end of the third moving device.

8. The elbow processing line according to claim 1, wherein the broaching production line comprises a first broaching die for broaching one end of the elbow and a second broaching die for broaching the other end of the elbow; a shaping die is arranged between the first hole expanding die and the second hole expanding die; the first reaming die comprises a first male die and a first female die for positioning the bent pipe, and the first male die and the first female die are arranged along the buckling direction of the first male die and the first female die; the second reaming die comprises a second male die and a second female die for positioning the bent pipe, and the second male die and the second female die are arranged along the buckling direction of the second male die and the second female die.

9. The pipe bending production line according to claim 8, wherein the first female die comprises a first upper die and a first lower die which are fastened together in the vertical direction, a first concave portion which is matched and positioned with the bent pipe is arranged on a side surface of the first lower die close to the first upper die, and a second concave portion which is correspondingly matched with the first concave portion is arranged on the first upper die.

10. The pipe bending production line according to claim 8, wherein the shaping mold comprises a third upper mold and a third lower mold parallel to the buckling direction of the first male mold, a fifth concave portion matched with the pipe is formed in the side surface, close to the third upper mold, of the third lower mold, and a sixth concave portion matched with the fifth concave portion is formed in the third upper mold.

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