CN205519297U - Pipe expander - Google Patents
Pipe expander Download PDFInfo
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- CN205519297U CN205519297U CN201521025364.1U CN201521025364U CN205519297U CN 205519297 U CN205519297 U CN 205519297U CN 201521025364 U CN201521025364 U CN 201521025364U CN 205519297 U CN205519297 U CN 205519297U
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- plate
- push rod
- expander
- pipe
- outfan
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Abstract
The utility model provides a pipe expander, includes loading attachment, closing device, expander device and doffer. The utility model discloses a loading attachment stores and carries the material, and the butt joint of loading attachment and closing device, the smooth and easy transport of the pole of closing device in with loading attachment are to the closing device in and compress tightly, and the expander device carries out expander technology to the pipe that is compressed tightly, and the back is accomplished in the expander action, and closing device removes the sticising steel pipe that will accomplish the expander of geminate transistors and carries the doffer and carry out the blanking to accomplish full automatic production, production efficiency is high.
Description
Technical field
This utility model relates to pipe fitting process equipment, especially a kind of pipe expander.
Background technology
In prior art, to pipe fitting two-port processing such as expander or punching, need to carry out respectively, first it is fixedly clamped in the middle part of pipe fitting, then utilize expander mould to carry out expander pipe fitting one end mouth of pipe, then utilize punch mechanism again the pipe fitting other end mouth of pipe to be punched out, thus complete operation.In order to improve the production efficiency of pipe expander, the pipe expander that a kind of automaticity is higher occurs, such as a kind of pipe fitting automatic pipe expanding hole punched device that China Patent Publication No. is 102009348, the expander mechanism including the clamp system in the middle part of the pipe fitting that is fixedly clamped and being respectively arranged on these clamp system both sides and punch mechanism, this clamp system has a pair clamping of the pipe fitting that is fixedly clamped；This expander mechanism includes expanding die and drives this expanding die expander cylinder to pipe fitting mouth expander；This punch mechanism includes punching mould, the fixed block being respectively provided with punching needle for a pair and dual stroke cylinder, this punching mould is fixed on the center oil cylinder rod of this dual stroke cylinder, and it is positioned this pipe fitting mouth by the driving of this center oil cylinder rod, this this two punching needle the most related to fixed block is located at these punching mould both sides side by side, and is driven along the slip of vertical tube direction by the oil outer cylinder rod on this dual stroke cylinder.This pipe expander can carry out expander, punch operation respectively to pipe fitting two-port, improves production efficiency to a certain extent.But the full automation that can't realize of this equipment produces, and at least link at storing, feeding and the blanking of pipe fitting is not carried out automatization, is difficult in other words and other link automatic butt.So for current pipe expander, needing to improve its automaticity further to obtain higher production efficiency.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of pipe expander, it is achieved full-automatic production, improves production efficiency.
For solving above-mentioned technical problem, the technical solution of the utility model is: a kind of pipe expander, including feeding device, hold down gag, pipe expander and doffer；
Described feeding device includes two pieces of baffle plates and the transfer passage between two pieces of baffle plates, described transfer passage includes reclaiming plate and storage device, described reclaiming plate is inclined to set, and the outfan of reclaiming plate docks with hold down gag, and the input of reclaiming plate docks with the outfan of storage device；Described storage device is docked by some head and the tail and storing swash plate set up and down forms, the incline direction of adjacent storing swash plate is contrary, the described input of storing swash plate is close to the baffle plate of side, is provided with the gap passed through for pipe between outfan and the baffle plate of opposite side of storing swash plate；
Described hold down gag includes dip mold, is positioned at the top die directly over dip mold, the driving mechanism for compressing driving top die up and down motion and material jacking mechanism, the side of described dip mold is input and docks with the outfan of reclaiming plate, the input of dip mold forms blocking mechanism higher than the outfan of reclaiming plate, and the opposite side of described dip mold is outfan and docks with doffer；Described dip mold is provided with semicircular low groove, and described top die is provided with semicircular upper groove, and upper groove and low groove cooperatively form the cavity of cylinder；Described material jacking mechanism includes push rod component and the liftout drive mechanism driving described push rod component to move up and down, described push rod component includes fixing seat and the plural push rod combination being located on described fixing seat, the combination of described push rod includes the first push rod and the second push rod, it is provided with first at corresponding described first push rod of the outfan of described reclaiming plate and ejects hole, described first push rod ejects hole by first and stretches out, the end face of described first push rod is provided with the first inclined-plane, and this first inclined-plane is downward-sloping from downward pressing mold direction, reclaiming plate direction；It is provided with second at corresponding described second push rod on described dip mold and ejects hole, described second push rod ejects hole by second and stretches out, the end face of described second push rod is compound curved surface, described compound curved surface includes that arc surface and the second inclined-plane, described arc surface and the second inclined-plane connect and gradually tilt to doffer direction；
Utility model works principle: storing and conveying: the steel pipe needing expander is placed in the storage device of transfer passage, owing to storing swash plate is the docking up and down on zigzag, so the material conveying of feeding device is moved towards in zigzag, this kind of storing mode of movement can effectively save space, the arrangement that steel pipe in transfer passage is in good order, make operator can get information about the state of storing, it is simple to charging in time or eliminating feeding fault；Further, since storing swash plate is and is obliquely installed, steel pipe can rely on the gravity of self to move, this simple in construction, can save drive mechanism, reduces production cost；Feeding: first steel pipe being positioned at reclaiming plate outfan is steel pipe to be processed, after just steel pipe at expander completes processing, Lifting Device starts, first push rod and the second push rod rise simultaneously, first push rod is by steel pipe jack-up to be processed, due to the inclined-plane of the first push rod end face, make band processing steel pipe can only roll in i.e. hold down gag direction, relatively low side towards inclined-plane；The most simultaneously, second push rod will be located in the steel pipe jack-up machined in low groove, and roll according to the curved surface incline direction at the second push rod top, finally band processing steel pipe can roll in the low groove of dip mold, and the steel pipe being complete processing can carry out blanking and collection by blanking swash plate；Compressing: after steel pipe to be processed enters in low groove, driving mechanism for compressing driving top die moves down and finally merges with dip mold, and steel pipe to be processed is just wrapped up by the circular cylindrical cavity that upper groove and groove groups are shaped as, and it is applied certain extruding force；Expander: start pipe expander, translational drive mechanism drives expansion head to move to one end of steel pipe, owing to expanding the point diameter internal diameter less than steel pipe of head, it is possible in insertion steel pipe, handing over the bigger second half section to make in i.e. will entering steel pipe when expanding head diameter, steel pipe is by thrust and moves to gag lever post direction until offseting with gag lever post；Under the effect of gag lever post, steel pipe can not translate again, can go deep in steel pipe by force so expanding head, completing the expander action to steel pipe head；Blanking: pipe expander resets, hold down gag resets, and Lifting Device is again started up, it is achieved the position of the steel pipe and steel pipe to be processed that are complete processing replaces, it is achieved automated production.
As improvement, described dip mold is formed by connecting by some molding unit, can set the length of dip mold according to the length of pipe, universal higher.
As improvement, described upper groove one end of expanding head corresponding with low groove is provided with expansion groove, and tube head can be with described expansion slot form fit after being expanded deformation.
As improvement, described molding unit is provided with screw, and molding unit is bolted on stamper seat.
As improvement, described stamper seat is provided with the escape groove of accommodating push rod component.
As improvement, it is provided with suction hole in described low groove, in described suction hole, is provided with vacuum noz(zle), described vacuum noz(zle) is connected with vacuum machine by gas tank, when steel pipe to be processed is rolled in low groove, if being fixed by steel pipe not in time, steel pipe likely rolls out outside low groove under effect of inertia.
As improvement, described pipe expander includes being positioned at the gag lever post of hold down gag one end, the expansion head being positioned at the hold down gag other end and the translational drive mechanism driving expansion head to move horizontally；Described translational drive mechanism is flat-removing air cyclinder, and the cylinder seat of flat-removing air cyclinder is fixed on riser；Described expansion head is fixed in the second mounting seat, and the expansion link of flat-removing air cyclinder connects through riser and the second mounting seat；Second mounting seat is provided with the second guide post, and riser is provided with the second pilot hole, the second guide post and the second pilot hole and coordinates；Described gag lever post is fixed in the first mounting seat；Described first mounting seat is provided with the first screwed hole, and gag lever post includes that plug and screw rod, described screw rod are threadeded with described first screwed hole；Described first screwed hole is perforation, and screw rod one end is connected through described first screwed hole with clamp nut.
As improvement, described doffer includes blanking swash plate and blowpit, the input of described blanking swash plate docks with hold down gag, described blowpit is formed by steel plate bending, blowpit includes base plate, the first side plate being positioned at base plate side and is positioned at the second side plate of base plate opposite side, the width of base plate and the equal diameters of pipe, and the first side plate is positioned at the inner side of blowpit and is b with the angle of base plate, second side plate is positioned at the outside of blowpit and is that c, c are more than b with the angle of base plate；The width of the second side plate is more than the width of the first side plate.
This utility model is compared with prior art had the benefit that
Material is stored by feeding device and carries by this utility model, feeding device docks with hold down gag, in bar in feeding device is transported to hold down gag by hold down gag smoothly and compress, pipe expander carries out expander technique to compacted pipe, after expander action completes, hold down gag is removed and is pressed pipe and to doffer, the steel pipe transporting completing expander is carried out blanking, thus completes the production of full-automation, and production efficiency is high.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation I.
Fig. 2 is this utility model structural representation II.
Fig. 3 is this utility model structural representation III.
Fig. 4 is feeding device structural representation.
Fig. 5 is that hold down gag coordinates schematic diagram with pipe expander.
Fig. 6 is pipe expander structural representation.
Fig. 7 is hold down gag structural representation.
Fig. 8 is material jacking mechanism structural representation.
Fig. 9 is support frame structure schematic diagram.
Figure 10 is doffer structural representation.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described in further detail.
As shown in Figures 1 to 3, a kind of pipe expander, including bracing frame 1, bottom bracing frame 1, it is provided with roller 11, bracing frame 1 is provided with feeding device 2, hold down gag 3, pipe expander 7 and doffer 4.Described hold down gag 3 is positioned at the centre position of bracing frame 1, and feeding device 2 and blanking device lay respectively at the both sides of hold down gag 3 longitudinal direction, and described pipe expander 7 is distributed in the both sides of hold down gag 3 horizontal direction.Steel pipe, after feeding device 2 enters the processing that hold down gag 3 accepts pipe expander 7, carries out blanking by doffer 4.
As shown in Figure 4, described feeding device 2 includes 24, two pieces of baffle plates 21 of storage rack and the transfer passage between two pieces of baffle plates 21.Described storage rack 24 main body is frame structure, and its lower end part is fixed with bracing frame 1, and another portion is unsettled；One of baffle plate 21 is fixed on storage rack 24, and the top of described storage rack 24 is inclined-plane.Described transfer passage includes that reclaiming plate 25 and storage device, described reclaiming plate 25 are fixed on the top bevel of storage rack 24, so reclaiming plate 25 is inclined to set, its angle tilted is 15 ~ 45 °.The outfan of reclaiming plate 25 docks with hold down gag 3, and the outfan of described reclaiming plate 25 is bent to form downwards installing plate 252, and described installing plate 252 is connected fixing with hold down gag 3；The input of reclaiming plate 25 docks with the outfan of storage device.Described storage device is docked by some head and the tail and storing swash plate 22 set up and down forms, the incline direction of adjacent storing swash plate 22 is contrary, but each storing swash plate 22 is consistent with horizontal sextant angle, it is 15 ~ 45 ° so that steel pipe can rely on self gravitation to move forward on storing swash plate 22 and reclaiming plate 25.The input of described storing swash plate 22 is close to the baffle plate 21 of side, is unlikely to be stuck during the steel pipe making this storing swash plate 22 receive from lastblock storing swash plate 22 to fall；Being provided with the gap 23 passed through for pipe between outfan and the baffle plate 21 of opposite side of storing swash plate 22, this gap 23 can fall into next layer of storing swash plate 22 by this gap apart from the diameter more than steel pipe, steel pipe, proceeds conveying.The both sides of described storing swash plate 22 are provided with rib 221, and described rib 221 is bent to form by the edge of storing swash plate 22；Spacing between the rib 221 of storing swash plate 22 both sides, slightly larger than the length of pipe, can limit steel pipe in storing swash plate 22 axial movement；The height of rib 221 approximates the diameter of steel pipe, is possible to prevent steel pipe to inadvertently fall off at course of conveying.The both sides of described reclaiming plate 25 are provided with backplate 251, can limit steel pipe in storing swash plate 22 axial movement.The both sides of described storage device are provided with two vertically arranged connecting plates 26, owing to the width of each storing swash plate 22 is consistent, so connecting plate 26 can be connected with the rib 221 of described storing swash plate 22；The lower end of described connecting plate 26 extends downward at the backplate 251 of reclaiming plate 25 side and is connected with backplate 251；Storing swash plate 22 and reclaiming plate 25 are connected in one by connecting plate 26, it is simple to integral disassembly, assembly.
Such as Fig. 5, shown in 7, described hold down gag 3 includes dip mold 31, is positioned at the top die 34 directly over dip mold 31, the driving mechanism for compressing 35 driving top die 34 to move up and down and material jacking mechanism 32.The side of described dip mold 31 is input and the outfan with reclaiming plate 25 docks, the installing plate 252 of reclaiming plate 25 outfan is bolted to connection with the side of the input of dip mold 31, and the input of dip mold 31 forms blocking mechanism higher than the outfan of reclaiming plate 25；The opposite side of described dip mold 31 is outfan and docks with doffer 4.Described dip mold 31 is formed by connecting by some molding unit, can set the length of dip mold 31 according to the length of pipe；Described molding unit is provided with screw, and molding unit is bolted on stamper seat 33, and described stamper seat 33 is fixed on bracing frame 1.Described dip mold 31 is provided with semicircular low groove 311, and described top die 34 is provided with semicircular upper groove 341, and upper groove 341 and low groove 311 cooperatively form the cavity of cylinder；One end of described upper groove 341 and the corresponding expansion 72 of low groove 311 is provided with expansion groove, expands the diameter diameter more than groove of groove, and tube head can be with described expansion slot form fit after being expanded deformation.It is provided with suction hole in described low groove 311, being provided with vacuum noz(zle) in described suction hole, described vacuum noz(zle) is connected with vacuum machine, when steel pipe to be processed is rolled in low groove 311 by gas tank, if being fixed by steel pipe not in time, steel pipe likely rolls out outside low groove 311 under effect of inertia.Described material jacking mechanism 32 includes push rod component 322 and the liftout drive mechanism 321 driving described push rod component 322 to move up and down, described push rod component 322 includes fixing seat 3223 and two the push rod combinations being located on described fixing seat 3223, and push rod group is positioned at the two ends of fixing seat 3223.The combination of described push rod includes the first push rod 3221 and the second push rod 3222, owing to the first push rod 3221 and the second push rod 3222 lay respectively at the both sides of dip mold 31, so needing to be provided with the escape groove of accommodating push rod component 322 on stamper seat 33, on the one hand this dodges space can make the second push rod 3222 pass, and on the other hand push rod component 322 can be made to move up and down unobstructed.It is provided with first at corresponding described first push rod 3221 of the outfan of described reclaiming plate 25 and ejects hole, described first push rod 3221 ejects hole by first and stretches out, the end face of described first push rod 3221 is provided with the first inclined-plane 3224, and this first inclined-plane 3224 is downward-sloping from downward pressing mold 31 direction, reclaiming plate 25 direction.It is provided with second at corresponding described second push rod 3222 on described dip mold 31 and ejects hole, described second push rod 3222 ejects hole by second and stretches out, the end face of described second push rod 3222 is compound curved surface, described compound curved surface includes arc surface 3225 and the second inclined-plane 3226, and described arc surface 3225 is connected with the second inclined-plane 3226 and gradually tilts to doffer 4 direction.
As shown in Figure 5,6, described pipe expander 7 includes being positioned at the gag lever post 73 of dip mold 31 one end, being positioned at the expansion 72 of dip mold 31 other end and drive expansion 72 translational drive mechanism 71 moved horizontally.Described translational drive mechanism is flat-removing air cyclinder, and the cylinder seat of flat-removing air cyclinder is fixed on riser 5；Described expansion 72 is fixed in the second mounting seat 76, and the expansion link of flat-removing air cyclinder is connected through riser 5 with the second mounting seat 76；Second mounting seat 76 is provided with the second guide post 75, and riser 5 is provided with the second pilot hole, and the second guide post 75 coordinates with the second pilot hole.
Such as Fig. 2, shown in 9, support frame as described above 1 is provided with two pieces of risers 5, and the lower end of described riser 5 is fixed on bracing frame 1, is provided with support bar 9 and connects between two pieces of riser 5 upper ends, and the distance between two pieces of risers 5 can be limited by support bar 9.Another block baffle plate 21 of feeding device 2 is fixed on the side of riser 5, and reclaiming plate 25 can pass from the lower section of this baffle plate 21.Described hold down gag 3, between two pieces of risers 5, is provided with crossbeam 6 between two pieces of risers 5, described driving mechanism for compressing 35 is fixed on described crossbeam 6；Described driving mechanism for compressing 35 is compression cylinder, and the cylinder seat of compression cylinder is fixing on the cross beam 6, and its expansion link passes downwardly through ring flange and is connected with top die 34；Described top die 34 is provided with the first guide post 35, and described crossbeam 6 is provided with the first pilot hole at corresponding described first guide post 35, and the first guide post 35 stretches in described first pilot hole.Described riser 5 is provided with trapezoidal reinforcing plate 8 with the junction of crossbeam 6, and the side of described trapezoidal reinforcement 8 plate is connected with crossbeam 6, and opposite side is connected with riser 5.One of riser 5 is provided with the first mounting seat 52, it is provided with the first mounting groove 51 at corresponding described first mounting seat 52 on described riser 5, first mounting seat 52 is placed in the first mounting groove 51, the both sides extension of the first mounting seat 52 is provided with the first mounting ear, and described first mounting ear is fixed with riser 5 by bolt；Described gag lever post 73 is fixed in described first mounting seat.Described first mounting seat is provided with the first screwed hole, and gag lever post 73 includes that plug and screw rod, described screw rod are threadeded with described first screwed hole；Described first screwed hole is perforation, and screw rod one end is connected through described first screwed hole with clamp nut 74, can pass through adjusting nut 74, changes the distance between gag lever post 73 and compacting device, thus adapts to the process requirements of the steel pipe of different length.
As shown in Figure 10, described doffer 4 includes blanking swash plate 41 and blowpit 42.The input of described blanking swash plate 41 docks with dip mold 31, and the input height of blanking swash plate 41 is substantially flush with the height of dip mold 31 outfan；Described blowpit 42 is formed by steel plate bending, it is fixed on the side of bracing frame 1 by support column bottom blowpit 42, blowpit 42 includes base plate 422, the first side plate 423 being positioned at base plate 422 side and is positioned at the second side plate 421 of base plate 422 opposite side, the width of base plate 422 and the equal diameters of pipe, first side plate 423 is positioned at the inner side of blowpit 42 and is b with the angle of base plate 422, second side plate 421 is positioned at the outside of blowpit 42 and is that c, c are more than b with the angle of base plate 422；The width of the second side plate 421 is more than the width of the first side plate 423.
Utility model works principle: storing and conveying: the steel pipe needing expander is placed in the storage device of transfer passage, owing to storing swash plate 22 is in the docking up and down on zigzag, so the material conveying of feeding device 2 is moved towards in zigzag, this kind of storing mode of movement can effectively save space, the arrangement that steel pipe in transfer passage is in good order, make operator can get information about the state of storing, it is simple to charging in time or eliminating feeding fault；Further, since storing swash plate 22 is and is obliquely installed, steel pipe can rely on the gravity of self to move, this simple in construction, can save drive mechanism, reduces production cost；Feeding: first steel pipe being positioned at reclaiming plate 25 outfan is steel pipe to be processed, after just steel pipe at expander completes processing, Lifting Device starts, first push rod 3221 and the second push rod 3222 rise simultaneously, first push rod 3221 is by steel pipe jack-up to be processed, due to the inclined-plane of the first push rod 3221 end face, make band processing steel pipe can only roll in i.e. hold down gag 3 direction, relatively low side towards inclined-plane；The most simultaneously, second push rod 3222 will be located in the steel pipe jack-up machined in low groove 311, and roll according to the curved surface incline direction at the second push rod 3222 top, finally band processing steel pipe can roll in the low groove 311 of dip mold 31, and the steel pipe being complete processing can carry out blanking and collection by blanking swash plate 41；Compress: after steel pipe to be processed enters in low groove 311, driving mechanism for compressing 35 drives top die 34 to move down finally to merge with dip mold 31, steel pipe to be processed is just wrapped up by the circular cylindrical cavity that upper groove 341 and upper groove 341 composition are formed, and it is applied certain extruding force；Expander: start pipe expander 7, translational drive mechanism 71 drives expansion 72 to move to one end of steel pipe, point diameter due to expansion 72 is less than the internal diameter of steel pipe, it is possible in insertion steel pipe, handing over the bigger second half section to make in i.e. will entering steel pipe when expanding 72 diameter, steel pipe is by thrust and moves to gag lever post 73 direction until offseting with gag lever post 73；Under the effect of gag lever post 73, steel pipe can not translate again, so expansion 72 can be goed deep in steel pipe by force, completes the expander action to steel pipe head；Blanking: pipe expander 7 resets, hold down gag 3 resets, and Lifting Device is again started up, it is achieved the position of the steel pipe and steel pipe to be processed that are complete processing replaces, it is achieved automated production.
Claims (6)
1.A kind of pipe expander, it is characterised in that: include feeding device, hold down gag, pipe expander and doffer；
Described feeding device includes two pieces of baffle plates and the transfer passage between two pieces of baffle plates, described transfer passage includes reclaiming plate and storage device, described reclaiming plate is inclined to set, and the outfan of reclaiming plate docks with hold down gag, and the input of reclaiming plate docks with the outfan of storage device；Described storage device is docked by some head and the tail and storing swash plate set up and down forms, the incline direction of adjacent storing swash plate is contrary, the described input of storing swash plate is close to the baffle plate of side, is provided with the gap passed through for pipe between outfan and the baffle plate of opposite side of storing swash plate；
Described hold down gag includes dip mold, is positioned at the top die directly over dip mold, the driving mechanism for compressing driving top die to move up and down and material jacking mechanism, the side of described dip mold is input and docks with the outfan of reclaiming plate, the input of dip mold forms blocking mechanism higher than the outfan of reclaiming plate, and the opposite side of described dip mold is outfan and docks with doffer；Described dip mold is provided with semicircular low groove, and described top die is provided with semicircular upper groove, and upper groove and low groove cooperatively form the cavity of cylinder；Described material jacking mechanism includes push rod component and the liftout drive mechanism driving described push rod component to move up and down, described push rod component includes fixing seat and the plural push rod combination being located on described fixing seat, the combination of described push rod includes the first push rod and the second push rod, it is provided with first at corresponding described first push rod of the outfan of described reclaiming plate and ejects hole, described first push rod ejects hole by first and stretches out, the end face of described first push rod is provided with the first inclined-plane, and this first inclined-plane is downward-sloping from downward pressing mold direction, reclaiming plate direction；It is provided with second at corresponding described second push rod on described dip mold and ejects hole, described second push rod ejects hole by second and stretches out, the end face of described second push rod is compound curved surface, described compound curved surface includes that arc surface and the second inclined-plane, described arc surface and the second inclined-plane connect and gradually tilt to doffer direction；
Described pipe expander includes being positioned at the gag lever post of hold down gag one end, the expansion head being positioned at the hold down gag other end and the translational drive mechanism driving expansion head to move horizontally；Described translational drive mechanism is flat-removing air cyclinder, and the cylinder seat of flat-removing air cyclinder is fixed on riser；Described expansion head is fixed in the second mounting seat, and the expansion link of flat-removing air cyclinder connects through riser and the second mounting seat；Second mounting seat is provided with the second guide post, and riser is provided with the second pilot hole, the second guide post and the second pilot hole and coordinates；Described gag lever post is fixed in the first mounting seat；Described first mounting seat is provided with the first screwed hole, and gag lever post includes that plug and screw rod, described screw rod are threadeded with described first screwed hole；Described first screwed hole is perforation, and screw rod one end is connected through described first screwed hole with clamp nut；
Described doffer includes blanking swash plate and blowpit, the input of described blanking swash plate docks with hold down gag, described blowpit is formed by steel plate bending, blowpit includes base plate, the first side plate being positioned at base plate side and is positioned at the second side plate of base plate opposite side, the width of base plate and the equal diameters of pipe, the first side plate is positioned at the inner side of blowpit and with the angle of base plate is
b
, the second side plate is positioned at the outside of blowpit and with the angle of base plate is
c
,
c
It is more than
b
；The width of the second side plate is more than the width of the first side plate.
2.According to claim 1 Described a kind of pipe expander, it is characterised in that: described dip mold is formed by connecting by some molding unit.
3.According to claim 1 Described a kind of pipe expander, it is characterised in that: described upper groove one end of expanding head corresponding with low groove is provided with expansion groove.
4.According to claim 2 Described a kind of pipe expander, it is characterised in that: described molding unit is provided with screw, and molding unit is bolted on stamper seat.
5.According to claim 4 Described a kind of pipe expander, it is characterised in that: described stamper seat is provided with the escape groove of accommodating push rod component.
6.According to claim 1 Described a kind of pipe expander, it is characterised in that: being provided with suction hole in described low groove, be provided with vacuum noz(zle) in described suction hole, described vacuum noz(zle) is connected with vacuum machine by gas tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521025364.1U CN205519297U (en) | 2015-12-11 | 2015-12-11 | Pipe expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521025364.1U CN205519297U (en) | 2015-12-11 | 2015-12-11 | Pipe expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205519297U true CN205519297U (en) | 2016-08-31 |
Family
ID=56762816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521025364.1U Expired - Fee Related CN205519297U (en) | 2015-12-11 | 2015-12-11 | Pipe expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205519297U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108435937A (en) * | 2018-03-28 | 2018-08-24 | 中山诺顿科研技术服务有限公司 | A kind of electric tube expander for preventing from being pressed from both sides pipe deforming |
| CN108500155A (en) * | 2018-03-28 | 2018-09-07 | 广东知识城运营服务有限公司 | A kind of efficient electric tube expander |
| CN108526332A (en) * | 2018-03-09 | 2018-09-14 | 三峡大学 | A kind of Automatic reamer and operating method |
| CN109108172A (en) * | 2018-10-23 | 2019-01-01 | 嘉兴新维液压缸有限公司 | A kind of expanding device |
-
2015
- 2015-12-11 CN CN201521025364.1U patent/CN205519297U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526332A (en) * | 2018-03-09 | 2018-09-14 | 三峡大学 | A kind of Automatic reamer and operating method |
| CN108435937A (en) * | 2018-03-28 | 2018-08-24 | 中山诺顿科研技术服务有限公司 | A kind of electric tube expander for preventing from being pressed from both sides pipe deforming |
| CN108500155A (en) * | 2018-03-28 | 2018-09-07 | 广东知识城运营服务有限公司 | A kind of efficient electric tube expander |
| CN109108172A (en) * | 2018-10-23 | 2019-01-01 | 嘉兴新维液压缸有限公司 | A kind of expanding device |
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