CN208662525U - Pipe fitting cylindrical turning production line - Google Patents
Pipe fitting cylindrical turning production line Download PDFInfo
- Publication number
- CN208662525U CN208662525U CN201820985370.9U CN201820985370U CN208662525U CN 208662525 U CN208662525 U CN 208662525U CN 201820985370 U CN201820985370 U CN 201820985370U CN 208662525 U CN208662525 U CN 208662525U
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- pipe fitting
- plate
- blanking
- fixedly connected
- driving cylinder
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Abstract
The utility model discloses a kind of pipe fitting cylindrical turning production lines, are related to pipe fitting turning manufacture field, including blanking device, feed device and numerically controlled lathe；Blanking device includes the support plate being obliquely installed and the blanking plate being obliquely installed, the lower end of support plate is fixedly connected with charging conduit, the upper end of blanking plate is fixedly connected on charging conduit, feed device includes the slide unit that firm banking and sliding are connected to firm banking, firm banking is also fixedly connected with the 5th driving cylinder, the telescopic rod of 5th driving cylinder is fixedly connected on slide unit, is fixedly connected with bearing frame on slide unit.It solves in the prior art, the artificial pipe fitting that loads is troublesome in poeration, the advantages of the problem of being easy to produce danger, injure operating personnel, having the feeding that can be conveniently accomplished pipe fitting, be convenient for operation, reduce the probability that operating personnel damages.
Description
Technical field
The utility model relates to arrive injection molding machine field, in particular to a kind of pipe fitting cylindrical turning production line.
Background technique
Pipe fitting cylindrical turning, as turning, that is, using the outer round surface of method for turning processing pipe fitting, to improve
The smoothness of pipe fitting outer circle reduces roughness, and pipe fitting is made to reach a kind of processing method of use demand.
Existing to can refer to the Chinese invention patent file for being authorized that notification number is CN102615296A, it discloses a kind of halves
Lathe, including lathe bed are controlled, lathe bed side is equipped with feed box, and feed box is equipped with feed rod/lead screw change lever, feed rod/lead screw turns
Signaling switch is changed, spindle box is equipped with above lathe bed, has main shaft in spindle box, feed box side is connected with lead screw and feed rod, lead screw
With sliding box is connected on feed rod, have in sliding box vertical/horizontal slide carriage, lead screw clasp nut control crank, vertical/horizontal feeding conversion hand
Handle, vertical/horizontal feeding conversion signal switch, fast feed/Processing to length switch；It is characterized in that: lathe bed is mounted below main motor,
Feed box side is equipped with Feed servo system motor, and spindle box side is equipped with spindle encoder for detecting the speed of mainshaft, is somebody's turn to do half
Numerically controlled lathe further includes machine tool controller, and machine tool controller is connected with spindle encoder by data line, machine tool controller with into
Driver is connected with by data line between driving motor, change is connected with by data line between machine tool controller and main motor
Frequency device.
Above-mentioned this Semi-numerical control lathe can realize the turning processing of pipe fitting automatically, but need people in use
Work installs pipe fitting to numerical control bed, is then processed again by numerically controlled lathe, and operation is cumbersome, and using artificial filling pipe
Part is easy to produce danger, injures operating personnel.
Utility model content
The purpose of the utility model is to provide a kind of pipe fitting cylindrical turning production lines, and pipe fitting can be conveniently accomplished by having
The advantages of feeding is convenient for operation, reduces the probability that operating personnel damages.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of pipe fitting cylindrical turning production line, including blanking device, feed device and numerically controlled lathe；
The blanking device includes storing stand and blanking bench, and the storing stand includes the support plate being obliquely installed and consolidates
Surely it is connected to the riser of support board ends, the lower end of the support plate is fixedly connected with charging conduit；
The blanking bench includes the blanking plate being obliquely installed, and the upper end of the blanking plate is fixedly connected on charging conduit, described
Charging conduit is fixedly connected with the first driving cylinder close to the side of blanking plate, and the telescopic rod of the first driving cylinder, which is fixedly connected with, to be supported
It is connected to the striker plate of blanking plate upper surface；
The feed device includes the slide unit that firm banking and sliding are connected to firm banking, and the firm banking is also solid
Surely it is connected with the 5th driving cylinder, the telescopic rod of the 5th driving cylinder is fixedly connected on slide unit, is fixedly connected on the slide unit
Bearing frame, the pipe fitting on the blanking plate can be tumbled to bearing frame；
The numerically controlled lathe includes lathe bed, and described lathe bed one end is fixedly connected with the first driving motor, first driving
Motor output shaft is fixedly connected with fixed top pillar, and the lathe bed other end is fixedly connected with the 6th driving cylinder, the 6th driving
Cylinder is rotatably connected to rotation top pillar close to fixed top pillar one end；
5th driving cylinder pushes slide plate to be able to drive the pipe fitting on bearing frame and pushes between fixed top pillar and rotation top pillar,
And make fixed top pillar, pipe fitting and rotation top pillar coaxial line；
The charging conduit is connected with pressing plate close to the side of striker plate；
The lower end surface of the pressing plate can be connected to the upper surface of the blanking bench between charging conduit and striker plate.
By using above scheme, the pipe fitting in support plate can roll down to charging conduit along the support plate being obliquely installed automatically
It is interior, the upper surface of blanking plate is then fallen on through charging conduit, is made pipe fitting stop rolling by striker plate, is rested on the upper table of blanking plate
Face, then the first driving cylinder driving telescopic rod bounce back upwards drives striker plate to rise, and the pipe fitting blanking plate that is obliquely installed of edge is from gear
Gap between flitch lower end and blanking plate upper surface tumbles, and then the telescopic rod of the first driving cylinder extends still further below, makes backgauge
Subsequent pipe fitting is blocked in the upper surface that plate lower end is connected to blanking bench, realizes successively blanking, then, pipe fitting is tumbled with blanking plate
To bearing frame, then the 5th driving cylinder pushes slide unit to slide along the length direction of firm banking, until at the pipe fitting on bearing frame
Between fixed top pillar and rotation top pillar, then the telescopic rod of the 6th driving cylinder tends to the side movement of fixed top pillar, makes to rotate
Top pillar is inserted in the inner hole of pipe fitting, is then proceeded to that pipe fitting is pushed to slide along the length direction of holding groove, is turned until pipe fitting is separate
One end of dynamic top pillar is sheathed on fixed top pillar, and the fixation of pipe fitting can be completed, easy to use, reduces labor intensity, in addition,
The pipe fitting for falling on the upper surface of blanking plate through charging conduit can be connected to the pipe fitting of blanking plate upper surface by pressing plate, and pipe fitting is made to exist
It is uniformly rolled on blanking plate, prevents pipe fitting from stacking on blanking plate.
Preferably, the pressing plate slides vertically is connected to charging conduit, it is additionally provided between charging conduit and pressing plate for pressing plate
The fixed fixed structure with charging conduit.
By using above scheme, when needing to process the pipe fitting of different-diameter, adjustable pressing plate adjusts pressing plate lower end
Height away from blanking plate upper surface, to adapt to the pipe fitting of different size diameter.
Preferably, the pressing plate offers multiple vertical slots close to the side of charging conduit, the fixed structure includes being inserted in
In vertical slot and end thread is connected to the fixing bolt of charging conduit, and tightening fixing bolt can be fixed on pressing plate on charging conduit.
By using above scheme, when needing to be applicable in the pipe fitting of different-diameter, two fixing bolts can be unscrewed, pass through pressure
Two vertical slots of plate slide pressing plate along the vertical direction, adjust height of the pressing plate lower end away from blanking plate upper surface, easy to adjust, use letter
It is single.
Preferably, the upper end of the bearing frame offers holding groove, the length direction of the holding groove and the length of riser
Direction is identical.
By using above scheme, holding groove is opened up by the upper end in bearing frame, it can be in order to which house keeper be on bearing frame
Positioning, prevent pipe fitting from rolling on bearing frame, consequently facilitating feeding.
To sum up, the utility model has the following beneficial effects:
1. the pipe fitting in support plate can roll down in charging conduit automatically along the support plate being obliquely installed, then through charging conduit
The upper surface for falling on blanking plate makes pipe fitting stop rolling, rests on the upper surface of blanking plate, then the first driving by striker plate
Cylinder driving telescopic rod bounce back upwards drives striker plate to rise, and the pipe fitting blanking plate that is obliquely installed of edge is from striker plate lower end and blanking plate
Gap between upper surface tumbles, and then the telescopic rod of the first driving cylinder extends still further below, and striker plate lower end is made to be connected to blanking
Subsequent pipe fitting is blocked in the upper surface of platform, realizes successively blanking, and then, pipe fitting is tumbled with blanking plate to bearing frame, and then the
Five driving cylinders push slide unit to slide along the length direction of firm banking, until the pipe fitting on bearing frame is in fixed top pillar and rotation
Between top pillar, then the telescopic rod of the 6th driving cylinder tends to the side movement of fixed top pillar, and rotation top pillar is made to be inserted in pipe fitting
It in inner hole, then proceedes to that pipe fitting is pushed to slide along the length direction of holding groove, until pipe fitting is arranged far from one end of rotation top pillar
In on fixed top pillar, the fixation of pipe fitting can be completed, it is easy to use, reduce labor intensity；
2. the pipe that the pipe fitting for falling on the upper surface of blanking plate through charging conduit can be connected to blanking plate upper surface by pressing plate
Part rolls pipe fitting uniformly on blanking plate, prevents pipe fitting from stacking on blanking plate；
3. two fixing bolts can be unscrewed when needing to be applicable in the pipe fitting of different-diameter, by two vertical slots of pressing plate along perpendicular
Histogram adjusts height of the pressing plate lower end away from blanking plate upper surface to sliding pressing plate, easy to adjust, using simple.
Detailed description of the invention
Fig. 1 is that the integrally-built schematic diagram of pipe fitting external cutting production line is highlighted in embodiment；
Fig. 2 is the schematic diagram that blanking device structure is highlighted in embodiment；
Fig. 3 is the schematic diagram that filler device structure is highlighted in embodiment；
Fig. 4 is the perspective view of the explosion that material receiving desk structure is highlighted in embodiment；
Fig. 5 is the perspective view of the explosion that stock guide structure is highlighted in embodiment；
Fig. 6 is the schematic diagram that feeder structure is highlighted in embodiment；
Fig. 7 is the diagrammatic cross-section that transfer device structure is highlighted in embodiment；
Fig. 8 is the schematic diagram that conical supports structure is highlighted in embodiment.
In figure, 1, blanking device；11, the first rack；12, storing stand；121, support plate；122, riser；1221, horizontal
Slot；123, flapper；1231, positioning bolt；124, charging conduit；13, blanking bench；131, blanking plate；132, pressing plate；1321,
Vertical slot；1322, fixing bolt；133, bearing plate；1331, the first driving cylinder；1332, striker plate；134, limit plate；1341, it limits
Position bolt；135, limiting slot；2, filler device；21, pallet；211, the first fixed plate；212, the first movable plate；213, second
Driving cylinder；214, the first holding tank；22, moving stop；221, strip groove；222, fastening bolt；23, filler platform；231, second
Fixed plate；232, the second movable plate；233, third driving cylinder；234, the second holding tank；235, liner string；236, it keeps off convex；2361, half
Circular groove；237, the 4th driving cylinder；238, micromotor；2381, conical supports；2382, annular scraper；2383, push plate；24,
Material receiving desk；241, charging tray is set；2411, hopper is set；2412, blend stop；242, tread plate；25, stock guide；251, guide plate；252,
Sliding groove；253, tight fixed bolt；3, feed device；31, firm banking, the 32, the 5th driving cylinder；33, slide unit；34, bearing frame；
341, holding groove；4, surface processing device；41, lathe bed；42, support frame；421, the first driving motor；422, fixed top pillar；43,
6th driving cylinder；431, top pillar is rotated；44, tool holder；441, lathe tool；442, coolant pipe；5, transfer device；51, stand；
52, guide rail；521, straight line portion；5211, spur rack；522, curved bend folding part；5221, arc-shaped rack；53, transshipment acitivity；531,
Transfer carriage；532, the second driving motor；5321, gear；533, the 7th driving cylinder；534, Pneumatic suction cup.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " ground " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment one: a kind of pipe fitting cylindrical turning production line in conjunction with Fig. 1, including blanking device 1, is set to blanking device 1
The filler device 2 of lower section is set to that feed device 3 of the filler device 2 far from 1 side of blanking device, to be set to feed device 3 remote
Surface processing device 4 from 2 side of filler device and the transhipment being set between surface processing device 4 and filler device 2 dress
Set 5.When work, blanking device 1 is responsible for the blanking of pipe fitting, makes pipe fitting successively blanking, and filler device 2 is responsible for filling just in pipe fitting
In the liner body of tube surface processing, feed device 3 is responsible for that the workpiece paper feeding surface processing device 4 of material will be completed on filler device 2,
Surface processing device 4 is responsible for handling the surface of pipe fitting, and transfer device 5 is responsible for workpiece being transported to filler device 2, and leads to
It crosses filler device 2 and takes out liner body out of pipe fitting, then complete blanking, so far, a root canal part completes the process, other pipe fitting weights
The multiple above same steps fulfil assignment.
In conjunction with being successively arranged storing stand 12 and blanking bench 13 on Fig. 2, including the first rack 11, the first rack 11.Storing
Platform 12 includes that lower surface is fixedly connected on the support plate 121 of the first rack 11, one end of the close blanking bench 13 of support plate 121 to
Under be obliquely installed, the both ends of support plate 121 have been respectively fixedly connected with riser 122, and the two sides of support plate 121 are also vertically arranged respectively
There is flapper 123, the side of two risers 122 offers two level troughs 1221, and level trough 1221 is through slot, two flappers
123 both ends are threaded with the positioning bolt 1231 that screw rod is inserted in level trough 1221, in use, pipe fitting is placed in
121 upper surface of support plate, and keep the axis direction of pipe fitting parallel with the length direction of riser 122, then unscrew active catch respectively
The positioning bolt 1231 at 123 both ends of plate makes the both ends of pipe fitting be connected to two flappers according to two activity of the length of pipe fitting sliding
123, then prevent pipe fitting from tilting in use, limit of the pipe fitting in support plate 121 can be realized in two flappers 123 subsequent,
Convenient for blanking.
One end that support plate 121 tilts down offers feed opening and is fixedly connected with charging conduit 124, charging conduit vertically
124 length direction is identical as the length direction of riser 122, and blanking bench 13 includes that lower surface is fixedly connected on the first rack 11
Blanking plate 131, blanking plate 131 are obliquely installed, and the upper end of blanking plate 131 is located at the underface of charging conduit 124, blanking plate 131
Upper end be also fixedly connected on charging conduit 124, charging conduit 124 is provided with and can be connected to close to the side of 131 lower end of blanking plate
The pressing plate 132 of 131 upper pipe fitting upper surface of blanking plate, pressing plate 132 is L-shaped, and the vertical position of pressing plate 132 offers two vertical slots
1321, it is inserted with the fixing bolt 1322 for being threadedly connected to blanking groove sidewall respectively in two vertical slots 1321.When work, support plate
Pipe fitting on 121 can roll down in charging conduit 124 automatically along the support plate 121 being obliquely installed, and then fall on through charging conduit 124
The upper surface of blanking plate 131, and pass through the pipe fitting that pressing plate 132 is connected to 131 upper surface of blanking plate, make pipe fitting in blanking plate 131
It is upper uniformly to roll, prevent pipe fitting from stacking on blanking plate 131；And when needing to be applicable in the pipe fitting of different-diameter, two can be unscrewed
Fixing bolt 1322 slides pressing plate 132 by two vertical slots 1321 of pressing plate 132 along the vertical direction, adjusts 132 lower end of pressing plate away under
Then the height of 131 upper surface of flitch tightens two fixing bolts 1322.
Charging conduit 124 is also fixedly connected with bearing plate 133 close to the side of 131 lower end of blanking plate, vertical on bearing plate 133
It is fixedly connected with the first driving cylinder 1331, the telescopic rod of the first driving cylinder 1331 is arranged downward and is fixedly connected with striker plate
1332, striker plate 1332 is set to side of the pressing plate 132 far from charging conduit 124, and the telescopic rod of the first drive rod extends downwardly energy
The lower end of striker plate 1332 is enough driven to be connected to the upper surface of blanking plate 131.When work, striker plate 1332 can block pressing plate
132 sides far from charging conduit 124 make pipe fitting stop rolling, rest on the upper surface of blanking plate 131, when needing blanking, the
One driving cylinder 1331 driving telescopic rod bounces back upwards drives striker plate 1332 to rise, and pipe fitting can be made along the blanking plate being obliquely installed
131, it is tumbled from the gap between 131 upper surface of 1332 lower end of striker plate and blanking plate, then the first driving cylinder 1331 is flexible
Bar extends still further below, and the upper surface for making 1332 lower end of striker plate be connected to blanking bench 13 can block subsequent pipe fitting, in turn
Realize successively blanking.
The two sides of blanking plate 131 are also respectively provided with limit plate 134, offer two limiting slots 135 on blanking plate 131, and two
The length direction of limiting slot 135 is identical as the length direction of charging conduit 124, corresponding two limiting slots 135 of the bottom surface of limit plate 134
Position, be respectively provided with there are two being fed through two limiting slots 135 respectively and be threadedly connected to the caging bolt 1341 of limit plate 134,
It can be realized limit plate 134 in the fixation of 131 upper surface of blanking plate by caging bolt 1341.When work, unscrew caging bolt
1341, the spacing between two limit plates 134 of adjustment is then slid along two limiting slots 135 according to the length of pipe fitting, then tightens limit
Position bolt 1341 prevents pipe fitting run-off the straight so that pipe fitting be made uniformly to roll on blanking plate 131.
In conjunction with Fig. 3 and Fig. 4, filler device 2 includes being fixedly connected on the pallet 21 of the first rack 11 and being set to temporarily
The filler platform 23(of 21 one end of frame is deposited with reference to Fig. 1).Pallet 21 is fixedly connected on the first rack 11 and is set to blanking plate 131
Lower end, 21 length direction of pallet is identical as the length direction of two limiting slots 135, and pallet 21 is close to the side of blanking plate 131
It is installed with the first fixed plate 211, the first fixed plate 211 is obliquely installed, and the upper end of the first fixed plate 211 is connected to blanking plate
131 lower end, pallet 21 are rotatably connected to the first movable plate 212 far from the side of blanking plate 131, and pallet 21 is far from blanking
The side of plate 131 is also rotatably connected to the second driving cylinder 213, and the second driving cylinder 213 is set to the lower section of the first movable plate 212,
The telescopic rod of second driving cylinder 213 is rotationally connected with side of first movable plate 212 far from the first fixed plate 211, the second driving
The telescopic rod of cylinder 213 is flexible can to drive the first movable plate 212 to rotate with the hinge joint of the first movable plate 212 and pallet 21,
Under normality, the first fixed plate 211 and the first movable plate 212 complement each other to form the first holding tank 214 of V-arrangement.When work, under
The pipe fitting to get off is rolled on flitch 131 directly to be rolled along inclined blanking plate 131 to the first fixed plate 211 and the first activity
It is kept in the first holding tank 214 between plate 212.
One end of pallet 21 is provided with moving stop 22, and one end of pipe fitting can be connected to shifting in the first holding tank 214
Dynamic baffle 22, one end that pallet 21 is provided with moving stop 22 offer strip groove 221 along the length direction of pallet 21, move
The position that the bottom surface of dynamic baffle 22 corresponds to strip groove 221, which is provided with, is fed through strip groove 221 and screw flight is connected to movement
Moving stop 22 can be fixed on pallet 21 by the fastening bolt 222 of baffle 22 by fastening bolt 222.In use, can
To unscrew fastening bolt 222, then according to the length of pipe fitting, along the direction of strip groove 221 slide moving stop 22 to properly away from
From, then tighten fastening bolt 222 complete moving stop 22 fixation.
Filler platform 23 is fixedly connected on the one end of pallet 21 far from moving stop 22, and filler platform 23 is close to pallet 21
One end is installed with the second fixed plate 231, and the second fixed plate 231 is obliquely installed, and the lower end of the second fixed plate 231 is connected to filler
Platform 23, filler platform 23 are rotatably connected to the second movable plate 232 far from the side of the second fixed plate 231, and filler platform 23 is far from second
The side of fixed plate 231 is also rotatably connected to third driving cylinder 233, and third driving cylinder 233 is set under the second movable plate 232
Side, the telescopic rod of third driving cylinder 233 are rotationally connected with side of second movable plate 232 far from the second fixed plate 231, and third is driven
The telescopic rod of dynamic cylinder 233 is flexible can to drive the second movable plate 232 to turn with the hinge joint of the second movable plate 232 and filler platform 23
Dynamic, under normality, the second fixed plate 231 and the second movable plate 232 complement each other to form the second holding tank 234 of V-arrangement, the second receiving
It is placed with a pipe fitting completed the process in slot 234, liner string 235 is filled in the inner hole of pipe fitting, liner string 235 is used to support pipe fitting,
Pipe fitting intensity can be increased, convenient for the surface treatment of pipe fitting.Liner string 235 be rubber column, and liner string 235 be slightly shorter than pipe fitting, second
The pipe fitting coaxial line in pipe fitting and the first holding tank 214 in holding tank 234.Second fixed plate 231 is leaned on the second movable plate 232
The side of nearly first holding tank 214 has also been respectively fixedly connected with gear convex 236, and the telescopic rod elongation of the 4th driving cylinder 237 can push away
Dynamic second movable plate 232 rotation abuts the side close to each other of second liang of gear convex 236, two convex 236 sides close to each other of gear
Half slot 2361 is offered respectively, and the diameter of half slot 2361 is identical as the diameter of bore of pipe fitting, under normality, two gears convex 236
The pipe fitting in the second holding tank 234 can be connected to close to one end of the first holding tank 214.
Filler platform 23 is also fixedly connected with the 4th driving cylinder 237 far from one end of the first holding tank 214, the 4th drive rod
Length direction is identical as the length direction of the second holding tank 234, and the telescopic rod of the 4th driving cylinder 237 can be inserted in the second receiving
In the inner hole of the pipe fitting of slot 234.When work, the telescopic rod of the 4th driving cylinder 237 extends to the direction of the second holding tank 234, from
And it is inserted in the telescopic rod of the 4th driving cylinder 237 in the inner hole for completing the process and being filled with the pipe fitting of liner string 235, then four driving
The telescopic rod of cylinder 237 continues to extend, and blocks pipe fitting by the gear convex 236 of 232 end of the second fixed plate 231 and the second movable plate,
So as to release liner string 235 from the pipe fitting in the second holding tank 234, and liner string 235 is pushed in the first holding tank 214
Pipe fitting inner hole, the pipe fitting in the first holding tank 214 is then connected to by moving stop 22, is made in the first holding tank 214
Pipe fitting it is stationary, to liner string 235 be pushed in the pipe fitting inner hole of the first holding tank 214, and then complete second
The liner string 235 in pipe fitting inner hole in holding tank 234 is transferred to the process in the inner hole of the pipe fitting in the first holding tank 214.
Second flapper 123 is provided with material receiving desk 24 far from the side of the second fixed plate 231, and 24 bottom surface of material receiving desk is solid
Surely it is connected to filler platform 23, material receiving desk 24 is obliquely installed, and the upper end of material receiving desk 24 is close to the second flapper 123.Material receiving desk
It is also placed on 24 and sets charging tray 241, set charging tray 241 and be obliquely installed with material receiving desk 24, the upper surface correspondence of material receiving desk 24 sets charging tray
241 position, which is also fixedly connected with, prevents from setting the tread plate 242 that charging tray 241 slides on material receiving desk 24, sets on charging tray 241 uniformly
Offer and set hopper 2411, the diameter for setting hopper 2411 is identical as the diameter of pipe fitting, and set the length direction of hopper 2411 with
The length direction of second holding tank 234 is identical, and the both ends for setting charging tray 241 have been respectively fixedly connected with blend stop 2412.Third driving cylinder
233 telescopic rod retraction can drive the second movable plate 232 to rotate to the side far from the second fixed plate 231, to make second
The outer end of movable plate 232 tilts down and is connected to the upper end for setting charging tray 241.Pipe fitting in second holding tank 234 at this time
Setting in charging tray 241 to material receiving desk 24 directly is rolled along inclined second movable plate 232, then third driving cylinder 233 is flexible
Bar drives the second movable plate 232 to set back again and waits the next pipe fitting processed to external extension.From the second movable plate 232
On the pipe fitting that tumbles then along it is inclined set charging tray 241 successively automatically since the top set hopper 2411 load, until filling up
Until the lowermost sets hopper 2411, i.e., replaceable to set charging tray 241, pipe fitting is setting the detailed movement process on charging tray 241 at this time
Are as follows: the first root canal part tumbles automatically to the top for setting charging tray 241 to set and completes to load in hopper 2411, and then the second root canal part rolls
It falls, at this point, setting for the top is filled with pipe fitting in hopper 2411, then the second root canal part is then with the pipe topmost set in hopper 2411
Part upper surface tumbles to next set in hopper 2411 and loads, other pipe fittings are successively downward, until completing the lowermost sets hopper
In 2411, and by being set to the blend stop 2412 for setting 241 two sides of charging tray, it can prevent pipe fitting from tilting, guarantee that pipe fitting uniformly rolls
It moves to setting in hopper 2411.
In conjunction with Fig. 5, the first movable plate 212 is additionally provided with stock guide 25, stock guide 25 far from the side of the first fixed plate 211
It is obliquely installed, and is fixedly connected on 21 side of pallet, the upper end of stock guide 25 is close to the first movable plate 212, the second driving cylinder
213 drive telescopic rods retractions can drive the first movable plate 212 to rotate to the side far from the first fixed plate 211, to make the
The outer end of one movable plate 212 tilts down and is connected to the upper end of stock guide 25, at this point, filling in lining in the first holding tank 214
The pipe fitting of column 235 can be tumbled along inclined first movable plate 212 to the upper surface of stock guide 25 automatically, then the second driving cylinder
213 telescopic rod drives the first movable plate 212 to set back again and waits next root canal part filler to external extension.Stock guide 25
Two sides are also vertically arranged with guide plate 251 respectively, and two sliding grooves 252, difference in two sliding grooves 252 are also provided on stock guide 25
It is inserted with the tight fixed bolt 253 for being threadedly connected to guide plate 251, guide plate 251 can be completed by two tight fixed bolts 253 and led
Fixation on flitch 25.When work, unscrew tight fixed bolt 253, is then slid and adjusted along two sliding grooves 252 according to the length of pipe fitting
Spacing between two guide plates 251, then tightens tight fixed bolt 253, so that pipe fitting be made uniformly to roll on stock guide 25, prevents
Pipe fitting run-off the straight.
In conjunction with Fig. 5 and Fig. 6, feed device 3 includes being fixedly connected on fixation of the pallet 21 far from 11 side of the first rack
Pedestal 31, the length direction of firm banking 31 is perpendicular to the length direction of pallet 21, and firm banking 31 is close to pallet 21
One end level is fixedly connected with the 5th driving cylinder 32, the length direction phase of the length direction and firm banking 31 of the 5th driving cylinder 32
Together, and the telescopic rod of the 5th driving cylinder 32 is directed away from the side of pallet 21, and the end of the telescopic rod of the 5th driving cylinder 32 is solid
Surely it is connected with slide unit 33, the sliding of slide unit 33 is connected to firm banking 31, and the length of the length direction of slide unit 33 and firm banking 31
Degree direction is identical, and slide unit 33 is fixedly connected with bearing frame 34 far from one end of the 5th driving cylinder 32 vertically, opens up on bearing frame 34
There is the holding groove 341 of arc, and the length direction of holding groove 341 is identical as the length direction of pallet 21.5th driving cylinder 32
Telescopic rod bounce back to most in short-term, the telescopic rod of the 5th driving cylinder 32 can drive slide unit 33 tend to stock guide 25 a sidesway
It is dynamic, and bearing frame 34 is made to be connected to the lower end of stock guide 25, so as to directly tumble convenient for the pipe fitting on stock guide 25 to holding
It connects in the holding groove 341 of frame 34.
Surface processing device 4 is numerically controlled lathe, including being fixedly connected on bed of the firm banking 31 far from 25 one end of stock guide
Body 41, for the length direction of lathe bed 41 perpendicular to the length direction of firm banking 31, one end of lathe bed 41 is fixedly connected with support frame
42, the first driving motor 421, the axis direction and lathe bed of 421 output shaft of the first driving motor are fixedly connected in support frame 42
41 length direction is identical, and the one end of the output shaft of the first driving motor 421 towards lathe bed 41 far from support frame 42, and first drives
The end of the output shaft of dynamic motor 421 is fixedly connected with fixed top pillar 422, and fixed top pillar 422 and the first driving motor 421 export
Axis coaxial line.The other end of lathe bed 41 is also fixedly connected with the 6th driving cylinder 43, and the 6th driving cylinder 43 is horizontally disposed, and the 6th drives
The length direction of dynamic cylinder 43 is identical as the length direction of lathe bed 41, and the one of the fixed top pillar 422 of the 6th driving cylinder 43 telescopic rod direction
End, the telescopic rod end of the 6th driving cylinder 43 are also rotatably connected to rotation top pillar 431, rotate the axis of top pillar 431 and fix and push up
The axis of column 422 is in same straight line, can will be on slide unit 33 when the telescopic rod of the 5th driving cylinder 32 is extended to longest position
Bearing frame 34 push to fixed top pillar 422 and rotation top pillar 431 between, and make the pipe fitting axis being placed in holding groove 341 with
The axis of fixed top pillar 422 and movable top pillar is in same straight line.When work, the 5th driving cylinder 32 pushes slide unit 33 along fixed bottom
The length direction sliding of seat 31, until the telescopic rod of the 5th driving cylinder 32 is extended to longest distance, at this point, the pipe on bearing frame 34
Part is between fixed top pillar 422 and rotation top pillar 431, and pipe fitting axis and fixed top pillar 422 and the axis for rotating top pillar 431
Identical, then the telescopic rod of the 6th driving cylinder 43 tends to the side movement of fixed top pillar 422, and rotation top pillar 431 is made to be inserted in pipe
It in the inner hole of part, then proceedes to that pipe fitting is pushed to slide along the length direction of holding groove 341, until pipe fitting is far from rotation top pillar 431
One end be sheathed on fixed top pillar 422, subsequently the telescopic rod of the 6th driving cylinder 43 continues to move, until rotation top pillar 431
Pipe fitting is held out against with fixed top pillar 422, completes the fixation of pipe fitting.
The side for connecing frame far from support on lathe bed 41 also sets up the tool holder 44 along the sliding of 41 length direction of lathe bed, is fixedly connected
In the lathe tool 441 on tool holder 44 for process to tube surface and it is fixedly connected on tool holder 44 and is used for spray cooling
The liquid coolant pipe 442(cooling to lathe tool 441 is that the prior art is not repeating herein).When work, 421 band of the first driving motor
Dynamic fixed top pillar 422 rotates, and rotates so as to drive fixed top pillar 422 and rotate the pipe fitting between top pillar 431, then lathe tool
Frame 44 drives lathe tool 441 to move along the length direction of lathe bed 41, so as to be added by surface of the lathe tool 441 to pipe fitting
Work, and in process, coolant pipe 442 can be to lathe tool 441 and pipe fitting contact position spray cooling liquid, consequently facilitating pipe
The processing on part surface.
In conjunction with Fig. 7, transfer device 5 include multiple stands 51 being vertically arranged, be set to the guide rail 52 of 51 upper end of stand with
And it is set to the transshipment acitivity 53 on guide rail 52.52 level of guide rail is fixedly connected on the upper end of more stands 51, and guide rail 52 includes
Two orthogonal straight line portions 521 and the curved bend folding part 522 for being set to two straight line portions, 521 corner location, a straight line portion 521
One end far from curved bend folding part 522 is set to the top of the second holding tank 234, and another straight line portion 521 is far from curved bend folding part
522 one end is set to the surface of lathe bed 41, and two straight line portions 521 are fixedly connected to spur rack 5211 with identical side,
Curved bend folding part 522 is fixedly connected with arc-shaped rack 5221,5221 both ends of arc-shaped rack difference close to the side of spur rack 5211
It is connect with two spur racks 5211.Transshipment acitivity 53 includes the transfer carriage 531 that sliding is connected to guide rail 52, is fixed on transfer carriage 531
It is connected with the second driving motor 532, the output shaft of the second driving motor 532, which is fixedly connected with, is engaged in spur rack 5211 or arc
The gear 5321 of rack gear 5221.When work, the second driving motor 532 drives output shaft to be able to drive the rotation of gear 5321, thus
It is engaged in spur rack 5211 and arc-shaped rack 5221 by gear 5321, transfer carriage 531 can be driven to slide along guide rail 52, and is logical
The positive and negative rotation for crossing the second driving motor 532 can make transfer carriage 531 past in the top of the second holding tank 234 and the top of lathe bed 41
Multiple movement.
The upper of transfer carriage 531 is also fixedly connected with the 7th driving cylinder 533 vertically, and the telescopic rod of the 7th driving cylinder 533 is downward
It is arranged and is fixedly connected with Pneumatic suction cup 534(and repeated no more herein for the prior art).Pipe fitting processing when work, on lathe bed 41
After the completion, transfer carriage 531 drives the 7th driving cylinder 533 to be moved to the surface of lathe bed 41, and then the 7th driving cylinder 533 is flexible
Bar moves downward, and so that Pneumatic suction cup 534 is connected to the pipe fitting of 41 top of lathe bed and sucks pipe fitting, then the 6th driving cylinder 43 is flexible
Bar retraction drives rotation top pillar 431 to exit the inner hole of pipe fitting, and then transfer carriage 531 drives the 7th driving cylinder 533 trend the again
The direction of six driving cylinders 43 is mobile, so that pipe fitting be made to be detached from fixed top pillar 422, then the 7th driving cylinder 533, which rises, drives pipe fitting
Rise, subsequently the second driving motor 532 drives transfer carriage 531 to move along guide rail 52, holds so that transfer carriage 531 be made to be located at second
Receive the surface of slot 234, subsequently 533 telescopic rod of the 7th driving cylinder, which extends downwardly, falls within pipe fitting in the second holding tank 234, pipe
Part can de- material and rewinding in the second holding tank 234, last Pneumatic suction cup 534 unclamps pipe fitting, and the 7th driving cylinder 533 drives
Telescopic rod retraction, transfer carriage 531 drive the 7th driving cylinder 533 to be moved to the top of lathe bed 41 again, next pipe fitting are waited to process
At repeating the above steps.
The course of work: when work, the pipe fitting in support plate 121 can roll down to automatically along the support plate 121 being obliquely installed
In charging conduit 124, the upper surface of blanking plate 131 is then fallen on through charging conduit 124, and blanking plate 131 is connected to by pressing plate 132
The pipe fitting of upper surface rolls pipe fitting uniformly on blanking plate 131, prevents pipe fitting from stacking on blanking plate 131, then, backgauge
Plate 1332 blocks side of the pressing plate 132 far from charging conduit 124, makes pipe fitting stop rolling, rests on the upper surface of blanking plate 131,
When needing blanking, the first driving cylinder 1331 driving telescopic rod bounces back upwards drives striker plate 1332 to rise, and can make pipe fitting edge
The blanking plate 131 being obliquely installed is tumbled from the gap between 131 upper surface of 1332 lower end of striker plate and blanking plate, and then first
The telescopic rod of driving cylinder extends still further below, and so that 1332 lower end of striker plate is connected to the upper surface of blanking bench 13 can be by subsequent pipe
Part blocks, and then realizes successively blanking.
The pipe fitting to get off is rolled from blanking plate 131 directly to be rolled along inclined blanking plate 131 to the first fixed plate
211 and first the first holding tank 214 between movable plate 212 in keep in, then, the telescopic rod of the 4th driving cylinder 237 is to second
The direction of holding tank 234 extends, so that being inserted in the telescopic rod of the 4th driving cylinder 237 completes the process and be filled with liner string 235
In the inner hole of pipe fitting, then the telescopic rod of the 4th driving cylinder 237 continues to extend, and passes through the second fixed plate 231 and the second movable plate
The gear of 232 ends convex 236 blocks pipe fitting, so as to which liner string 235 is released from the pipe fitting in the second holding tank 234, and will
Liner string 235 pushes the inner hole of the pipe fitting in the first holding tank 214 to, is then connected to the first holding tank 214 by moving stop 22
Interior pipe fitting keeps the pipe fitting in the first holding tank 214 stationary, so that 237 telescopic rod of the 4th driving cylinder be made to be inserted in processing
In the inner hole for completing and being filled with the pipe fitting of liner string 235, and then complete the liner string in the pipe fitting inner hole in the second holding tank 234
235 are transferred to the process in the inner hole of the pipe fitting in the first holding tank 214, and then, the telescopic rod of third driving cylinder 233, which bounces back, to be driven
Dynamic second movable plate 232 is rotated to the side far from the second fixed plate 231, so that the outer end of the second movable plate 232 be made to dip down
Tiltedly and it is connected to the upper end for setting charging tray 241.The pipe fitting in the second holding tank 234 can be directly along inclined second movable plate at this time
232 roll setting in charging tray 241 to material receiving desk 24, and then the telescopic rod of third driving cylinder 233 is movable to external extension driving second
Plate 232 sets back again waits the next pipe fitting processed.
The pipe fitting tumbled from the second movable plate 232 then sets charging tray 241 and successively sets material from the top automatically along inclined
Slot 2411 starts to load, until filling up the lowermost and setting hopper 2411, i.e., replaceable to set charging tray 241, at the same time, second
Drive rod drives telescopic rod retraction the first movable plate 212 of driving to rotate to the side far from the first fixed plate 211, to make first
The outer end of movable plate 212 tilts down and is connected to the upper end of stock guide 25, at this point, filling in liner string in the first holding tank 214
235 pipe fitting can be tumbled along inclined first movable plate 212 to the upper surface of stock guide 25 automatically, then the second driving cylinder
213 telescopic rod drives the first movable plate 212 to set back again to external extension, waits next root canal part filler.
Then the pipe fitting on stock guide 25 is directly tumbled to the holding groove 341 of bearing frame 34, subsequently the 5th driving cylinder
32 push slide units 33 along firm banking 31 length direction slide, until the 5th driving cylinder 32 telescopic rod extend to longest away from
From at this point, the pipe fitting on bearing frame 34 is between fixed top pillar 422 and rotation top pillar 431, and pipe fitting axis and fixed top pillar
422 is identical with the rotation axis of top pillar 431, and then the telescopic rod of the 6th driving cylinder 43 tends to the side movement of fixed top pillar 422,
It is inserted in rotation top pillar 431 in the inner hole of pipe fitting, then proceedes to that pipe fitting is pushed to slide along the length direction of holding groove 341, directly
It is sheathed on fixed top pillar 422 to pipe fitting far from one end of rotation top pillar 431, subsequently the telescopic rod of the 6th driving cylinder 43 continues
Movement completes the fixation of pipe fitting until rotation top pillar 431 holds out against pipe fitting with fixed top pillar 422, then, the first driving motor
421 drive fixed top pillar 422 to rotate, and rotate so as to drive fixed top pillar 422 and rotate the pipe fitting between top pillar 431, so
Tool holder 44 drives lathe tool 441 to move along the length direction of lathe bed 41 afterwards, so as to by lathe tool 441 to the surface of pipe fitting into
Row processing.
Pipe fitting on lathe bed 41 after processing is completed, transfer carriage 531 drive the 7th driving cylinder 533 be moved to lathe bed 41 just on
Side, then the telescopic rod of the 7th driving cylinder 533 moves downward, and Pneumatic suction cup 534 is made to be connected to pipe fitting and the suction of 41 top of lathe bed
Tight pipe fitting, then 43 telescopic rod of the 6th driving cylinder retraction, which drives, rotates the inner hole that top pillar 431 exits pipe fitting, then transfer carriage 531
The direction for driving the 7th driving cylinder 533 to tend to the 6th driving cylinder 43 again is mobile, to make pipe fitting be detached from fixed top pillar 422, so
The 7th driving cylinder 533, which rises, afterwards drives pipe fitting to rise, and subsequently the second driving motor 532 drives transfer carriage 531 to move along guide rail 52
Dynamic, so that transfer carriage 531 be made to be located at the surface of the second holding tank 234, subsequently 533 telescopic rod of the 7th driving cylinder is extended downwardly
Fall within pipe fitting in the second holding tank 234, pipe fitting can de- material and rewinding in the second holding tank 234, last Pneumatic suction cup
534 unclamp pipe fitting, and the 7th driving cylinder 533 drives telescopic rod retraction, and transfer carriage 531 drives the 7th driving cylinder 533 to be moved to bed again
The top of body 41 waits next pipe fitting to complete the process and repeats the above steps.
Embodiment two: a kind of pipe fitting cylindrical turning production line, in actual use, operator's discovery, due to lining
Column 235 use rubber column, when the 4th driving cylinder 237 telescopic rod withstand in the pipe fitting processed push liner string 235 be detached from plus
When the complete pipe fitting of work, liner string 235 can generate breakage due to by the ejection of 237 telescopic rod of the 4th driving cylinder, cause to leave in pipe fitting
Residue, when so as to cause in following process to workpiece is filled in pipe fitting inner hole, usually because the residue of liner string 235 causes workpiece to be pacified
Dress is inconvenient, thus uses the scheme of following solution.
Be in place of the present embodiment two and the difference in embodiment one: in conjunction with Fig. 8, the end of the 4th driving cylinder 237 is fixed
It is connected with micromotor 238, the diameter of the micromotor 238 is less than the internal diameter of pipe fitting, the output shaft of micromotor 238 and the
The axis of the telescopic rod of four driving cylinders 237 is identical, and the output shaft of micromotor 238 is also fixedly connected with conical supports 2381,
The nock of conical supports 2381 is also fixedly connected towards the side of micromotor 238, the outer circle side of conical supports 2381
There is the annular scraper 2382 of rubber material, the outside diameter of annular scraper 2382 and the diameter of bore of pipe fitting are identical.Taper support
Side of the part 2381 far from micromotor 238 is also fixedly connected with push plate 2383.
Compared with implementation one, advantage is: the telescopic rod of the 4th driving cylinder 237 tends to 234 direction of the second holding tank and extends
When, liner string 235 can be pushed to be pushed out along the length direction of inner tube the inner hole of pipe fitting by push plate 2383, when the 4th driving cylinder
When 237 telescopic rod retraction, starts micromotor 238, the taper branch for being fixedly connected on 238 output shaft of micromotor can be driven
Support member 2381 rotates, so as to drive annular scraper 2382 to rotate with 238 output shaft of micromotor, and with the 4th driving cylinder
237 telescopic rod is mobile to the direction far from the second holding tank 234, to complete the cleaning of residue in pipe fitting inner hole, Jin Erbao
The cleaning of pipe fitting inner hole is demonstrate,proved, following process is convenient for.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (4)
1. a kind of pipe fitting cylindrical turning production line, it is characterised in that: including blanking device (1), feed device (3) and numerical control lathe
Bed；
The blanking device (1) includes storing stand (12) and blanking bench (13), and the storing stand (12) includes being obliquely installed
The lower end of support plate (121) and the riser (122) for being fixedly connected on support plate (121) both ends, the support plate (121) is fixed
It is connected with charging conduit (124)；
The blanking bench (13) includes the blanking plate (131) being obliquely installed, and the upper end of the blanking plate (131), which is fixedly connected on, to be fallen
Hopper (124), the charging conduit (124) are fixedly connected with the first driving cylinder (1331) close to the side of blanking plate (131), and first
The telescopic rod of driving cylinder (1331) is fixedly connected with the striker plate (1332) that can be connected to blanking plate (131) upper surface；
The feed device (3) includes the slide unit (33) that firm banking (31) and sliding are connected to firm banking (31), described
Firm banking (31) is also fixedly connected with the 5th driving cylinder (32), and the telescopic rod of the 5th driving cylinder (32) is fixedly connected on cunning
Platform (33) is fixedly connected with bearing frame (34) on the slide unit (33), and the pipe fitting on the blanking plate (131) can be tumbled to holding
It connects on frame (34)；
The numerically controlled lathe includes lathe bed (41), and described lathe bed (41) one end is fixedly connected with the first driving motor (421), described
First driving motor (421) output shaft is fixedly connected with fixed top pillar (422), and lathe bed (41) other end is fixedly connected with
Six driving cylinders (43), the 6th driving cylinder (43) are rotatably connected to rotation top pillar (431) close to fixed top pillar (422) one end；
The pipe fitting that 5th driving cylinder (32) pushes slide plate to be able to drive on bearing frame (34) pushes to fixed top pillar (422) and rotation
Between top pillar (431), and make fixed top pillar (422), pipe fitting and rotation top pillar (431) coaxial line；
The charging conduit (124) is connected with pressing plate (132) close to the side of striker plate (1332)；
The lower end surface of the pressing plate (132) can be connected to the blanking bench (13) between charging conduit (124) and striker plate (1332)
Upper surface.
2. pipe fitting cylindrical turning production line according to claim 1, it is characterised in that: the pressing plate (132) slides vertically
It is connected to charging conduit (124), is additionally provided between charging conduit (124) and pressing plate (132) for pressing plate (132) and charging conduit
(124) fixed fixed structure.
3. pipe fitting cylindrical turning production line according to claim 2, it is characterised in that: the pressing plate (132) is close to blanking
The side of slot (124) offers multiple vertical slots (1321), and the fixed structure includes being inserted in vertical slot (1321) and end spiral shell
Line is connected to the fixing bolt (1322) of charging conduit (124), tightens fixing bolt (1322) and can be fixed on pressing plate (132) and falls
On hopper (124).
4. pipe fitting cylindrical turning production line according to claim 1, it is characterised in that: open the upper end of the bearing frame (34)
Equipped with holding groove (341), the length direction of the holding groove (341) is identical as the length direction of riser (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820985370.9U CN208662525U (en) | 2018-06-22 | 2018-06-22 | Pipe fitting cylindrical turning production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820985370.9U CN208662525U (en) | 2018-06-22 | 2018-06-22 | Pipe fitting cylindrical turning production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208662525U true CN208662525U (en) | 2019-03-29 |
Family
ID=65824654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820985370.9U Expired - Fee Related CN208662525U (en) | 2018-06-22 | 2018-06-22 | Pipe fitting cylindrical turning production line |
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| Country | Link |
|---|---|
| CN (1) | CN208662525U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143452A (en) * | 2019-06-12 | 2019-08-20 | 浙江联宜电机有限公司 | Rotor automatic feed mechanism |
| CN112475987A (en) * | 2020-11-06 | 2021-03-12 | 窑街煤电集团甘肃金凯机械制造有限责任公司 | Automatic rod body feeding device for anchor rod processing production line |
| CN113020330A (en) * | 2021-04-26 | 2021-06-25 | 丹阳市华富机械有限公司 | Automatic straightening machine |
| CN113618036A (en) * | 2021-08-10 | 2021-11-09 | 蚌埠市淮海压铸机有限责任公司 | Feeding device for hydraulic multi-loop die casting machine and feeding method thereof |
| CN114643304A (en) * | 2022-03-11 | 2022-06-21 | 国营芜湖机械厂 | Adjustable three-dimensional bending device and method for pipe fitting |
| CN115535581A (en) * | 2022-08-31 | 2022-12-30 | 昆山宣润精密机械有限公司 | Barrel surface flame treatment equipment and method thereof |
-
2018
- 2018-06-22 CN CN201820985370.9U patent/CN208662525U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143452A (en) * | 2019-06-12 | 2019-08-20 | 浙江联宜电机有限公司 | Rotor automatic feed mechanism |
| CN112475987A (en) * | 2020-11-06 | 2021-03-12 | 窑街煤电集团甘肃金凯机械制造有限责任公司 | Automatic rod body feeding device for anchor rod processing production line |
| CN113020330A (en) * | 2021-04-26 | 2021-06-25 | 丹阳市华富机械有限公司 | Automatic straightening machine |
| CN113618036A (en) * | 2021-08-10 | 2021-11-09 | 蚌埠市淮海压铸机有限责任公司 | Feeding device for hydraulic multi-loop die casting machine and feeding method thereof |
| CN114643304A (en) * | 2022-03-11 | 2022-06-21 | 国营芜湖机械厂 | Adjustable three-dimensional bending device and method for pipe fitting |
| CN115535581A (en) * | 2022-08-31 | 2022-12-30 | 昆山宣润精密机械有限公司 | Barrel surface flame treatment equipment and method thereof |
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Granted publication date: 20190329 Termination date: 20210622 |