CN111975390A - Processing production line and processing method of convection tube - Google Patents
Processing production line and processing method of convection tube Download PDFInfo
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- CN111975390A CN111975390A CN202010902719.XA CN202010902719A CN111975390A CN 111975390 A CN111975390 A CN 111975390A CN 202010902719 A CN202010902719 A CN 202010902719A CN 111975390 A CN111975390 A CN 111975390A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention relates to a machining production line of convection tubes, which comprises a blank rack, a feeding device, a polishing device, a conveying line and a tube bender, wherein a trough is arranged between the blank rack and the feeding device, an inlet of the conveying line is arranged between the feeding device and the polishing device, the blank rack is used for storing blank tubes, the feeding device conveys the blank tubes to the polishing device, the polishing device comprises a polishing assembly and a supporting and ejecting assembly, the supporting and ejecting assembly pushes the polished blank tubes to the inlet of the conveying line, the conveying line conveys the blank tubes to a machine head of the tube bender, a first positioning device is arranged on the conveying line, and a second positioning device is arranged on the tube bender. The invention greatly improves the automation degree of the convection tube processing, reduces the carrying times of blank tubes in the processing process, adopts mechanical positioning to replace manual marking positioning for pipe bending positioning, has high production efficiency and reduced labor cost, and is suitable for the industrialized production of the convection tube.
Description
Technical Field
The invention relates to the technical field of manufacturing of convection tubes, in particular to a processing production line and a processing method of convection tubes.
Background
The convection tube is the convection heating surface of the water tube boiler. It can absorb the heat of high-temp fume and increase the heating surface of boiler. The middle of the formed convection tube is a straight section, and the two ends of the formed convection tube are bent sections. In the prior art, the convection tube is firstly polished at two ends by a straight blank tube through a polisher to enable the two ends to be polished smoothly, then the straight blank tube is conveyed to a scribing area to scribe the front and the back of the blank tube at the position where the blank tube needs to be bent, and finally the blank tube is conveyed to the two ends of the scribed part of the tube bending machine, so that the automation degree of the machining of the convection tube is low, the blank tube needs to be conveyed for many times in the machining process, the positioning of the bent tube is manually scribed, the production efficiency is low, the labor cost is high, and the labor.
Disclosure of Invention
The invention aims to overcome the defects and provides a processing production line and a processing method of a convection tube, the automation degree of the processing of the convection tube is greatly improved, the carrying times of blank tubes in the processing process are reduced, the bending tube positioning adopts mechanical positioning instead of manual marking positioning, the production efficiency is high, the labor cost is reduced, and the processing production line and the processing method are suitable for the industrial production of the convection tube.
The purpose of the invention is realized as follows:
the utility model provides a processing lines to convection tube, includes blank work or material rest, loading attachment, grinding device, transfer chain and bending machine, be equipped with the silo between blank work or material rest and the loading attachment, the entry setting of transfer chain is between loading attachment and grinding device, blank work or material rest is used for depositing the base pipe, loading attachment carries the base pipe to grinding device, grinding device is including polishing subassembly and support liftout subassembly, support the liftout subassembly and push away the base pipe after polishing to the entry of transfer chain, the transfer chain carries the base pipe to the aircraft nose of bending machine, be equipped with first positioner on the transfer chain, be equipped with the second positioner on the bending machine, first positioner carries out the front end return bend location to the base pipe, and the second positioner carries out the rear end return bend location to the base pipe.
The feeding device comprises a feeding frame, a feeding assembly, a pushing assembly and a top feeding assembly;
the feeding end of the feeding frame is higher than the discharging end of the blank frame, the upper end surface of the feeding frame is inclined downwards towards the direction of the polishing device, and the discharging end of the feeding frame is provided with a material blocking block;
the feeding assembly comprises a feeding rod and two lead screw motors;
the pushing assembly comprises a pushing cylinder, a pushing rod and a pushing plate;
the top feeding assembly comprises a top feeding cylinder, a top feeding rod and a top material plate.
The polishing device comprises a slide rail, polishing assemblies are symmetrically arranged on the slide rail, at least two supporting and ejecting assemblies are arranged between the two polishing assemblies, and the polishing assemblies and the supporting and ejecting assemblies can move back and forth on the slide rail.
The polishing assembly comprises a base, and a supporting assembly, a clamping assembly and a polishing adjusting assembly are arranged on the base;
the supporting assembly comprises two rotatable supporting guide wheels, and the blank pipe is simultaneously contacted with the two supporting guide wheels;
the clamping assembly comprises a mounting plate, a clamping cylinder, a clamping seat and a clamping head, the mounting plate is fixed on the base, the clamping head is rotatably arranged in the clamping seat, and the clamping seat is connected with a piston rod of the clamping cylinder;
the grinding adjusting component comprises a mounting frame, a grinding abrasive belt, a driving wheel, a first driven wheel and a second driven wheel, wherein the grinding abrasive belt is sleeved on the driving wheel and the two driven wheels.
The supporting and ejecting assembly comprises a supporting frame, the supporting frame is provided with a supporting assembly and an ejecting assembly, the ejecting assembly comprises an ejecting cylinder and an ejecting block, and the ejecting block inclines downwards towards the inlet direction of the conveying line.
The top one side of transfer chain is equipped with the location slide rail, and the mobilizable setting of first positioner is on the location slide rail, first positioner includes fixed block and rotation locating piece, the fixed block top is equipped with first spacing arch, rotate locating piece and fixed block rotatable coupling, it is equipped with the spacing arch of second to rotate the locating piece, first spacing arch and the spacing arch of second are corresponding, it is equipped with the baffle to rotate the locating piece bottom.
The pipe bending machine is provided with a second positioning mechanism which is arranged in front of the first positioning mechanism, the second positioning device comprises a positioning cylinder, the positioning cylinder is fixed on the pipe bending machine, a piston rod of the positioning cylinder is connected with a positioning stop block, and the positioning cylinder drives the positioning stop block to ascend.
A processing method of a processing production line of convection tubes adopts the processing production line and comprises the following steps:
step one, feeding a blank pipe;
pushing the pushing plate;
thirdly, ejecting the blank pipe to a polishing station;
step four, clamping the parison tube by a clamping assembly of the polishing station;
polishing two ends of the blank pipe;
sixthly, the polished blank pipe leaves the polishing station and enters a conveying line;
seventhly, positioning the bent pipe at the front end of the blank pipe by the first positioning device, and bending the front end of the positioned blank pipe;
and step eight, positioning the bent pipe at the rear end of the blank pipe by the second positioning device, and bending the rear end of the positioned blank pipe to finish bending the two ends of the convection pipe.
The invention has the beneficial effects that:
the invention greatly improves the automation degree of the convection tube processing, reduces the carrying times of blank tubes in the processing process, adopts mechanical positioning to replace manual marking positioning for pipe bending positioning, has high production efficiency and reduced labor cost, and is suitable for the industrialized production of the convection tube.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a partially enlarged view of fig. 2.
Fig. 4 is a sectional view a-a of fig. 2.
Fig. 5 is a schematic view of the extended state of the material pushing cylinder in fig. 4.
Fig. 6 is a sectional view B-B of fig. 2.
Fig. 7 is a cross-sectional view C-C of fig. 2.
Fig. 8 is a left side view of the clamping assembly at the front end of the slide rail.
Fig. 9 is a top view of the first positioning device.
Fig. 10 is a left side view of the bender head.
Wherein:
a blank holder 1; the upper end face is 1.1;
a feeding device 2;
a feeding frame 2.1; the feeding frame is 2.1; the material blocking block is 2.1.1;
a feeding component 2.2; a feeding rod 2.2.1; a screw motor 2.2.2; a lifting sliding table 2.2.3;
a push assembly 2.3; a push cylinder 2.3.1; a push rod 2.3.2; a push plate 2.3.3;
a top feeding component 2.4 and a top feeding cylinder 2.4.1; 2.4.2 of an ejector rod; a material ejecting plate 2.4.3;
a trough 3;
a conveying line 4; a first positioning mechanism 4.1; 4.1.1 of a fixed block; the first limiting bulge is 4.1.1.1; rotating the positioning block 4.1.2; a second limit projection 4.1.2.1; a baffle 4.1.2.2; positioning the slide rail 4.2;
a pipe bender 5; a winding mould 5.1; 5.1.1 of a curved die; pressing die 5.1.2; 5.1.3 of a clamping die; a fixed module 5.1.4; rotating the outer arm 5.1.5; a second positioning mechanism 5.2; a positioning cylinder 5.2.1; a positioning stop block 5.2.2;
a parison tube 6; a slide rail 7;
a grinding assembly 8;
a base 8.1;
a support assembly 8.2; supporting the guide wheel 8.2.1;
a clamping assembly 8.3; mounting plate 8.3.1; a clamping cylinder 8.3.2; a clamping seat 8.3.3; a gripping head 8.3.4; a movable slide 8.3.5;
a grinding adjusting component 8.4; mounting frame 8.4.1; sanding belt 8.4.2; a drive wheel 8.4.3; a first driven wheel 8.4.4; a second driven pulley 8.4.5; an adjusting block 8.4.6; a first driven wheel mounting base 8.4.7; an adjusting cylinder 8.4.8; an adjustment lever 8.4.9;
a supporting and ejecting assembly 9; a support frame 9.1; a liftout assembly 9.2; a material ejection cylinder 9.2.1; and 9.2.2 of a material ejecting block.
Detailed Description
Referring to fig. 1-10, the invention relates to a convection tube processing production line, which comprises a blank holder 1, a feeding device 2, a polishing device, a conveying line 4 and a tube bender 5, wherein a trough 3 is arranged between the blank holder 1 and the feeding device 2, an inlet of the conveying line 4 is arranged between the feeding device 2 and the polishing device, the blank holder 1 is used for storing a blank tube 6, the feeding device 2 conveys the blank tube to the polishing device, the polishing device comprises a polishing assembly 8 and a supporting ejection assembly 9, the supporting ejection assembly 9 pushes the polished blank tube to the inlet of the conveying line 4, and the conveying line 4 conveys the blank tube to a head of the tube bender 5.
The upper end face of the blank frame 1 is an inclined face, the upper end face 1.1 inclines downwards towards the feeding device 2, and the inclined face structure of the upper end face 1.1 is beneficial to enabling a blank pipe to better roll to the trough 3.
The feeding device 2 comprises a feeding frame 2.1, a feeding assembly 2.2, a pushing assembly 2.3 and a top feeding assembly 2.4, the feeding end of the feeding frame 2.1 is higher than the discharging end of the blank frame 1, the upper end face of the feeding frame 1 inclines downwards towards the polishing device, and the discharging end of the feeding frame 1 is provided with a material blocking block 2.1.1.
The material loading subassembly 2.2 includes material loading pole 2.2.1 and two lead screw motor 2.2.2, material loading pole 2.2.1 sets up in silo 3, material loading pole 2.2.1 is parallel with the axis of base pipe 6, material loading direction downward sloping is followed at material loading pole 2.2.1 top, lead screw motor 2.2.2 fixes on material loading frame 2.1 around, be equipped with lift slip table 2.2.3 on lead screw motor 2.2.2's the lead screw, material loading pole 2.2.1's both ends correspondence is connected with lift slip table 2.2.3.
The pushing assembly 2.3 comprises two pushing cylinders 2.3.1, two pushing rods 2.3.2 and two pushing plates 2.3.3, the two pushing cylinders 2.3.1 are arranged, piston rods of the two pushing cylinders 2.3.1 are connected with the pushing rods 2.3.2, the pushing rods 2.3.2 are provided with a plurality of pushing plates 2.3.3 along the length direction, the pushing cylinders 2.3.1 push the piston rods, the piston rods drive the pushing rods 2.3.2 and the pushing plates 2.3.3 to move towards the polishing device, and the pushing plates 2.3.3 extend the discharge end of the feeding frame 2.1 towards the polishing device.
The ejection feeding assembly 2.4 comprises ejection feeding cylinders 2.4.1, ejection rods 2.4.2 and ejection plates 2.4.3, the two ejection feeding cylinders 2.4.1 are fixed on the side face of the discharge end of the upper rack 2.1 in the front and back direction, piston rods of the two ejection feeding cylinders 2.4.1 are connected with the ejection rods 2.4.2 together, a plurality of ejection plates 2.4.3 are arranged in the length direction of the ejection rods 2.4.2, the piston rods of the ejection feeding cylinders 2.4.1 extend out, the ejection rods 2.4.2 drive the ejection plates 2.4.3 thereon to eject blank pipes on the inner side of the material blocking blocks 2.1.1, the ejection plates 2.4.3 incline downwards towards the direction of the polishing device, and the blank pipes 6 are ejected and then fall to the polishing device along the pushing plates 2.3.3.
The polishing device comprises a slide rail 7, polishing assemblies 8 are symmetrically arranged on the slide rail 7, at least two supporting ejection assemblies 9 are arranged between the two polishing assemblies 8, the polishing assemblies 8 and the supporting ejection assemblies 9 can move back and forth on the slide rail 7, each polishing assembly 8 comprises a base 8.1, a supporting assembly 8.2, a clamping assembly 8.3 and a polishing adjusting assembly 8.4 are arranged on the base 8.1, each supporting assembly 8.2 comprises two rotatable supporting guide wheels 8.2.1, and a blank tube 6 is in contact with the two supporting guide wheels 8.2.1 simultaneously.
The clamping assembly 8.3 comprises an installation plate 8.3.1, a clamping cylinder 8.3.2, a clamping seat 8.3.3 and a clamping head 8.3.4, the installation plate 8.3.1 is fixed on the base 8.1, the clamping head 8.3.4 is rotatably arranged in the clamping seat 8.3.3, the clamping seat 8.3.3 is connected with a piston rod of the clamping cylinder 8.3.2, a movable slide rail 8.3.5 is arranged on the installation plate 8.3.1, a sliding groove is arranged at the bottom of the clamping seat 8.3.3 corresponding to the movable slide rail 8.3.5, the clamping cylinder 8.3.2 pushes the clamping seat 8.3.3 to be close to a blank pipe to be clamped, the clamping seat 8.3.3 moves stably on the movable slide rail, the clamping head 8.3.4 is plugged into an inner hole of the blank pipe to be clamped, and the two clamping heads 8.3.4 clamp two ends of the blank pipe simultaneously.
The grinding adjusting assembly 8.4 comprises a mounting frame 8.4.1, a grinding abrasive belt 8.4.2, a driving wheel 8.4.3, a first driven wheel 8.4.4 and a second driven wheel 8.4.5, the grinding abrasive belt 8.4.2 is sleeved on the driving wheel 8.4.3 and the two driven wheels, the first driven wheel 8.4.4 and the second driven wheel 8.4.5 are both adjustable structures, the driving wheel 8.4.3 is arranged at the bottom, an adjusting block 8.4.6 is arranged on the mounting frame 8.4.1, the first driven wheel 8.4.4 is connected with a first driven wheel mounting seat 8.4.7, the first driven wheel mounting seat 8.4.7 is connected with an adjusting block 8.4.6 through an adjusting cylinder 8.4.8, the first driven wheel 8.4.4 is connected with an adjusting rod 8.4.9, the adjusting block 8.4.6 is provided with an adjusting chute corresponding to the adjusting rod 8.4.9, the adjusting rod 8.4.9 is screwed with the adjusting chute through bolts, and the grinding abrasive belt 8.4.4.82.2 is in contact with the end of a blank pipe to be ground.
Support liftout subassembly 9 includes support frame 9.1, be equipped with supporting component 8.2 and liftout subassembly 9.2 on the support frame 9.1, liftout subassembly 9.2 includes liftout cylinder 9.2.1 and liftout piece 9.2.2, liftout piece 9.2.2 inclines down towards the entry direction downward sloping of transfer chain 4.
The aircraft nose of bending machine 5 is equipped with around bending mould 5.1, around bending mould 5.1 including bent mould 5.1.1, moulding-die 5.1.2, clamp 5.1.3, bent mould 5.1.1 inlays and has fixed module 5.1.4, can drive bent mould 5.1.1 and fixed module 5.1.4 through the motor and rotate, and clamp 5.1.3 sets up on rotatory outer arm 5.1.5, rotatory outer arm 5.1.5 and bent mould 5.1.1 coaxial rotation, clamp 5.1.3 is relative with fixed module 5.1.4, and moulding-die 5.1.2 and clamp 5.1.2 can be to fixed module 5.1.4 inner wall translation.
The conveying line 4 is provided with a first positioning mechanism 4.1, one side above the conveying line 4 is provided with a positioning slide rail 4.2, the position of the first positioning mechanism 4.1 on the conveying line 4 can be adjusted according to different length specifications of the convection tube, the first positioning device 4.1 comprises a fixed block 4.1.1 and a rotary positioning block 4.1.2, the fixed block 4.1.1 is movably arranged on the positioning slide rail 4.2, the position of the fixed block 4.1.1 on the conveying line 4 can be adjusted according to different length specifications of the convection tube, the adjusted fixed block 4.1.1 is fixed with the positioning slide rail 4.2 through a bolt, the top of the fixed block 4.1.1 is provided with a first limiting bulge 4.1.1.1, the rotary positioning block 4.1.2 is rotatably connected with the fixed block 4.1.1, the rotary positioning block 4.1.2 is provided with a second limiting bulge 4.1.2.1, the first limiting bulge 4.1.1.1.1 corresponds to the second limiting bulge 4.1.2.1, the bottom of the rotary positioning block 4.1.2 is provided with a baffle 4.2, and a billet tube positioning device passes through the first positioning block 4.1.2, the baffle 4.1.2.2 is pushed forward by the parison tube 6, the baffle 4.1.2.2 rotates anticlockwise along with the rotary positioning block 4.1.2, the second limit bulge 4.1.2.1 is far away from the first limit bulge 4.1.1, after the parison tube 6 reaches the head of the tube bending machine, the tail of the parison tube props the baffle 4.1.2.2 backwards, the baffle 4.1.2.2 rotates clockwise along with the rotary positioning block 4.1.2, and the second limit bulge 4.1.2.1 is positioned and clamped with the first limit bulge 4.1.1.1, so that the positioning of the front bent tube part of the parison tube is realized.
The pipe bender 5 is provided with a second positioning mechanism 5.2, the second positioning mechanism 5.2 is arranged in front of the first positioning mechanism 4.1, the second positioning device 5.2 comprises a positioning cylinder 5.2.1, the positioning cylinder 5.2.1 is fixed on the pipe bender, a piston rod of the positioning cylinder 5.2.1 is connected with a positioning stop block 5.2.2, the positioning cylinder 5.2.1 drives the positioning stop block 5.2.2 to ascend, and the tail of the processed blank pipe of the front bent pipe is propped against the positioning stop block 5.2.2 backwards, so that the positioning of the rear bent pipe of the blank pipe is realized.
A method of processing a convection tube comprising the steps of:
step one, feeding a blank pipe; the blank pipe is stored on the blank rack, the blank pipe obliquely falls into the trough and drives the screw motor, the screw motor drives the lifting sliding table and the feeding rod on the lifting sliding table to move upwards, the blank pipe falling into the trough is jacked upwards by the feeding rod, when the lowest end of the oblique feeding rod exceeds the inlet end of the feeding rack, the blank pipe on the feeding rod rolls down to the blank rack, and the blank pipe rolls down to the discharge end of the upper rack and is blocked by the blocking block;
pushing the pushing plate; the pushing cylinder pushes a piston rod, the piston rod drives the pushing rod and the pushing plate to move towards the supporting component, and the pushing plate extends the discharging end of the feeding frame towards the direction of the supporting component;
thirdly, ejecting the blank pipe to a polishing station; a piston rod of the ejection feeding cylinder extends out, an ejector rod drives an ejector plate on the ejector rod to eject a blank tube on the inner side of the material blocking block, the ejector plate inclines downwards towards the direction of the polishing device, and the blank tube 6 is ejected out and then rolls along a pushing plate 2.3.3 to fall onto the supporting assembly;
step four, clamping the blank pipe of the polishing station; the clamping cylinder pushes the clamping seat to be close to the parison tube to be clamped, the clamping seat moves stably on the movable slide rail, the clamping heads are plugged into the inner hole of the parison tube to be clamped, and the two clamping heads simultaneously clamp two ends of the parison tube;
polishing two ends of the blank pipe; the grinding abrasive belt is in contact with the end part of the blank pipe to be ground by adjusting the first driven wheel and the second driven wheel, the driving wheel is driven by power, and the grinding abrasive belt is used for grinding the end part of the blank pipe;
sixthly, the polished blank pipe leaves the polishing station and enters a conveying line; after polishing, the clamping cylinder pushes the clamping seat to be far away from the parison tube, the parison tube is only erected on the supporting assembly, the ejection block is pushed by the ejection cylinder, and the parison tube is ejected to the inlet of the conveying line by the ejection block and is conveyed forwards by the conveying line;
seventhly, positioning the bent pipe at the front end of the blank pipe by the first positioning device, and bending the front end of the positioned blank pipe; after the parison tube reaches the head of the tube bending machine, the tail part of the parison tube props against the baffle plate backwards, the baffle plate rotates clockwise along with the rotation positioning block, the second limiting bulge and the first limiting bulge are positioned and clamped, so that the front bent tube of the parison tube is positioned, the positioned parison tube enters a bending die to bend the front end of the parison tube, the parison tube enters a space between a fixed module and a pressing die, the pressing die and the pressing die move horizontally towards the fixed module, and the bending die drives a clamping die on a rotary outer arm to rotate so as to bend the front end of the parison tube;
eighthly, positioning the bent pipe at the rear end of the blank pipe by the second positioning device, and bending the rear end of the positioned blank pipe; the positioning cylinder drives the positioning stop block to ascend, the tail part of the processed blank pipe of the front bent pipe is propped against the positioning stop block backwards, the rear bent pipe of the blank pipe is positioned, and the positioned blank pipe enters the bending die to be bent at the rear end of the blank pipe.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a processing lines of convection tube which characterized in that: the pipe bending machine comprises a blank rack (1), a feeding device (2), a polishing device, a conveying line (4) and a pipe bending machine (5), wherein a trough (3) is arranged between the blank rack (1) and the feeding device (2), an inlet of the conveying line 4 is arranged between the feeding device (2) and the polishing device, the blank rack (1) is used for storing a blank pipe (6), the blank pipe is conveyed to the polishing device by the feeding device (2), the polishing device comprises a polishing assembly (8) and a supporting and ejecting assembly (9), the supporting and ejecting assembly (9) pushes the polished blank pipe to the inlet of the conveying line (4), the blank pipe is conveyed to the head of the pipe bending machine (5) by the conveying line (4), a first positioning device (4.1) is arranged on the conveying line (4), a second positioning device (5.2) is arranged on the pipe bending machine, and the front end of the blank pipe is positioned by the first positioning device (4.1), and the second positioning device (5.2) is used for positioning the rear end bent pipe of the blank pipe.
2. A processing line for convection tubes as set forth in claim 1, wherein: the feeding device (2) comprises a feeding frame (2.1), a feeding assembly (2.2), a pushing assembly (2.3) and a top feeding assembly (2.4);
the feeding end of the feeding frame (2.1) is higher than the discharging end of the blank frame (1), the upper end surface of the feeding frame (1) is inclined downwards towards the polishing device, and the discharging end of the feeding frame (1) is provided with a material blocking block (2.1.1);
the feeding assembly (2.2) comprises a feeding rod (2.2.1) and two screw motors (2.2.2);
the pushing assembly (2.3) comprises a pushing cylinder (2.3.1), a pushing rod (2.3.2) and a pushing plate (2.3.3);
the top feeding assembly (2.4) comprises a top feeding cylinder (2.4.1), a top feeding rod (2.4.2) and a top material plate (2.4.3).
3. A processing line for convection tubes as set forth in claim 1, wherein: the polishing device comprises a sliding rail (7), polishing assemblies (8) are symmetrically arranged on the sliding rail (7), at least two supporting and ejecting assemblies (9) are arranged between the two polishing assemblies (8), and the polishing assemblies (8) and the supporting and ejecting assemblies (9) can move back and forth on the sliding rail (7).
4. A processing line for convection tubes as set forth in claim 3, wherein: the polishing assembly (8) comprises a base (8.1), and a supporting assembly (8.2), a clamping assembly (8.3) and a polishing adjusting assembly (8.4) are arranged on the base (8.1);
the supporting assembly (8.2) comprises two rotatable supporting guide wheels (8.2.1), and the blank tube (6) is simultaneously contacted with the two supporting guide wheels (8.2.1);
the clamping assembly (8.3) comprises a mounting plate (8.3.1), a clamping cylinder (8.3.2), a clamping seat (8.3.3) and a clamping head (8.3.4), the mounting plate (8.3.1) is fixed on the base (8.1), the clamping head (8.3.4) is rotatably arranged in the clamping seat (8.3.3), and the clamping seat (8.3.3) is connected with a piston rod of the clamping cylinder (8.3.2);
the grinding adjusting component (8.4) comprises a mounting frame (8.4.1), a grinding abrasive belt (8.4.2), a driving wheel (8.4.3), a first driven wheel (8.4.4) and a second driven wheel (8.4.5), wherein the grinding abrasive belt (8.4.2) is sleeved on the driving wheel (8.4.3) and the two driven wheels.
5. A processing line for convection tubes as set forth in claim 3, wherein: support liftout subassembly (9) including support frame (9.1), be equipped with supporting component (8.2) and liftout subassembly (9.2) on support frame (9.1), liftout subassembly (9.2) are including liftout cylinder (9.2.1) and liftout piece (9.2.2), liftout piece (9.2.2) are towards the entry direction downward sloping of transfer chain (4).
6. A processing line for convection tubes as set forth in claim 1, wherein: top one side of transfer chain (4) is equipped with location slide rail (4.2), and the mobilizable setting of first positioner (4.1) is on location slide rail (4.2), first positioner (4.1) includes fixed block (4.1.1) and rotation locating piece (4.1.2), fixed block (4.1.1) top is equipped with first spacing arch (4.1.1.1), rotation locating piece (4.1.2) and fixed block (4.1.1) rotatable coupling, rotation locating piece (4.1.2) are equipped with second spacing arch (4.1.2.1), first spacing arch (4.1.1.1) and second spacing arch (4.1.2.1) are corresponding, rotation locating piece (4.1.2) bottom is equipped with baffle (4.1.2.2).
7. A processing line for convection tubes as set forth in claim 1, wherein: be equipped with second positioning mechanism (5.2) on bending machine (5), second positioning mechanism (5.2) set up in the front of first positioning mechanism (4.1), second positioner (5.2) are including location cylinder (5.2.1), location cylinder (5.2.1) are fixed on the bending machine, location dog (5.2.2) is connected to the piston rod of location cylinder (5.2.1), and location dog (5.2.2) are driven in location cylinder (5.2.1) and are risen.
8. A processing method of a processing production line of convection tubes is characterized in that: a processing line for convection tubes as set forth in any one of claims 1-7, comprising the steps of:
step one, feeding a blank pipe;
pushing the pushing plate;
thirdly, ejecting the blank pipe to a polishing station;
step four, clamping the parison tube by a clamping assembly of the polishing station;
polishing two ends of the blank pipe;
sixthly, the polished blank pipe leaves the polishing station and enters a conveying line;
seventhly, positioning the bent pipe at the front end of the blank pipe by the first positioning device, and bending the front end of the positioned blank pipe;
and step eight, positioning the bent pipe at the rear end of the blank pipe by the second positioning device, and bending the rear end of the positioned blank pipe to finish bending the two ends of the convection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902719.XA CN111975390B (en) | 2020-09-01 | 2020-09-01 | Processing production line and processing method for convection tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902719.XA CN111975390B (en) | 2020-09-01 | 2020-09-01 | Processing production line and processing method for convection tubes |
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| Publication Number | Publication Date |
|---|---|
| CN111975390A true CN111975390A (en) | 2020-11-24 |
| CN111975390B CN111975390B (en) | 2022-05-10 |
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| CN202010902719.XA Active CN111975390B (en) | 2020-09-01 | 2020-09-01 | Processing production line and processing method for convection tubes |
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| CN (1) | CN111975390B (en) |
Cited By (2)
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| CN114734268A (en) * | 2022-06-13 | 2022-07-12 | 冰轮环境技术股份有限公司 | Automatic production line and method for heat exchange tube |
| CN115027069A (en) * | 2022-04-22 | 2022-09-09 | 宜宾天亿新材料科技有限公司 | Production system and method for polyvinyl chloride molecular directional pipe fitting or connecting piece |
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| CN115027069A (en) * | 2022-04-22 | 2022-09-09 | 宜宾天亿新材料科技有限公司 | Production system and method for polyvinyl chloride molecular directional pipe fitting or connecting piece |
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|---|---|
| CN111975390B (en) | 2022-05-10 |
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