CN105344851A - Pipe expanding device of automatic pipe expanding machine - Google Patents
Pipe expanding device of automatic pipe expanding machine Download PDFInfo
- Publication number
- CN105344851A CN105344851A CN201510913105.0A CN201510913105A CN105344851A CN 105344851 A CN105344851 A CN 105344851A CN 201510913105 A CN201510913105 A CN 201510913105A CN 105344851 A CN105344851 A CN 105344851A
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- CN
- China
- Prior art keywords
- screw
- expander
- pipe
- fixed
- hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
Abstract
The invention discloses a pipe expanding device of an automatic pipe expanding machine. The pipe expanding device comprises a limiting rod positioned at one end of a pressing device, an expanding head positioned at the other end of the pressing device, and a translation driving mechanism for driving the expanding head to horizontally move, wherein the translation mechanism comprises a driving motor, a lead screw connected with an output shaft of the driving motor, and a nut fitting the lead screw; the nut is fixed at one side of a second mounting base; the expanding head is fixed at the other side of the second mounting base; the second mounting base is provided with a second guide rod; a vertical plate is provided with a second guide hole; the second guide rod fits the second guide hole; the limiting rod is fixed on a first mounting base; the first mounting base is provided with a first screw hole; the limiting rod comprises a plug and a screw rod; the screw rod is in threaded connection with a first thread hole; the first thread hole is a through hole; and one end of the screw rod penetrates through the first screw hole to be connected with a fastening nut. The pipe expanding device is reasonable in structure, can fit mechanisms in other links to realize full-automatic expansion of steel pipes, is high in production efficiency, and reduces the production cost.
Description
Technical field
The present invention relates to pipe fitting process equipment, especially a kind of pipe expander of automatic tube expander.
Background technology
In prior art, to the processing of pipe fitting two-port as expander or punching, need to carry out respectively, first be fixedly clamped in the middle part of pipe fitting, then utilize expander mould to carry out expander to pipe fitting one end mouth of pipe, then utilize punch mechanism to carry out punching to the pipe fitting other end mouth of pipe again, complete operation thus.In order to improve the production efficiency of pipe expander, there is the pipe expander that a kind of automaticity is higher, as a kind of pipe fitting automatic pipe expanding hole punched device that China Patent Publication No. is 102009348, comprise the clamp system in the middle part of the pipe fitting that is fixedly clamped and be located at expander mechanism and the punch mechanism of these clamp system both sides respectively, this clamp system has a pair clamping of the pipe fitting that is fixedly clamped; This expander mechanism comprises expanding die and drives this expanding die to the expander cylinder of pipe fitting mouth expander; This punch mechanism comprises punching mould, a pair respectively with fixed block and the dual stroke cylinder of punching needle, this punching mould is fixed on the center cylinder rod of this dual stroke cylinder, Bing Yougai center cylinder rod drives and is positioned this pipe fitting mouth, this to fixed block respectively this two punching needle related be located at this punching mould both sides side by side, and driven by the outside cylinder rod on this dual stroke cylinder and slide along vertical tube direction.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 is produced, and does not at least realize automation in the link of the storing of pipe fitting, material loading and blanking, is difficult in other words and other link automatic butt.So for current pipe expander, need to improve its automaticity further to obtain higher production efficiency.The automatic pipe expanding realizing steel pipe bore needs cooperatively interacting of several mechanism, as feeding device, hold down gag, pipe expander, blanking device etc., only has that these mechanism structure are reasonable in design just can complete automated production.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of pipe expander of automatic tube expander, rational in infrastructure, and the mechanism of other links can be coordinated to realize full-automation and carry out expander to steel pipe, production efficiency is high, reduces production cost.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of pipe expander of automatic tube expander, comprises the gag lever post being positioned at hold down gag one end, the expansion head being positioned at the hold down gag other end and drives the translational drive mechanism expanding head and move horizontally; The nut that described translation mechanism comprises drive motors, the screw mandrel be connected with drive motors output shaft and coordinates with described screw mandrel, described nut is fixed on the side of the second mount pad, and described expansion head is fixed on the opposite side of the second mount pad; Second mount pad is provided with the second guide post, and riser is provided with the second pilot hole, and the second guide post coordinates with the second pilot hole; Described gag lever post is fixed on the first mount pad, and described first mount pad is provided with the first screw, and gag lever post comprises plug and screw rod, and described screw rod is threaded with described first screwed hole; Described first screwed hole is perforation, and screw rod one end is passed described first screw and is connected with clamp nut.
As improvement, described expansion head is made up of the changeover portion of three sections of different-diameter sizes.
As improvement, the end of described expansion head is circular arc, and the junction between adjacent transition section is inclined-plane.
The beneficial effect that the present invention is compared with prior art brought is:
The pipe expander of automatic tube expander of the present invention, it is rational in infrastructure, and the mechanism of other links can be coordinated to realize full-automation and carry out expander to steel pipe, production efficiency is high, reduces production cost.
Accompanying drawing explanation
Fig. 1 is automatic tube expander structural representation I.
Fig. 2 is automatic tube expander structural representation II.
Fig. 3 is automatic tube expander 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 invention will be further described.
As shown in Figures 1 to 3, a kind of automatic tube expander, comprises bracing frame 1, is provided with roller 11 bottom bracing frame 1, and 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 enters after hold down gag 3 accepts the processing of pipe expander 7 from feeding device 2, carries out blanking by doffer 4.
As shown in Figure 4, described feeding device 2 comprises storage rack 24, two pieces of baffle plates 21 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; Wherein one piece of baffle plate 21 is fixed on storage rack 24, and the top of described storage rack 24 is inclined-plane.Described transfer passage comprises reclaiming plate 25 and storage device, and described reclaiming plate 25 is fixed on the top bevel of storage rack 24, so reclaiming plate 25 is inclined to set, its angle tilted is 15 ~ 45 °.The output of reclaiming plate 25 docks with hold down gag 3, and the output of described reclaiming plate 25 is bent to form installing plate 252 downwards, and described installing plate 252 is connected and fixed with hold down gag 3; The input of reclaiming plate 25 docks with the output 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, be 15 ~ 45 °, make steel pipe self gravitation can be relied on to move forward on storing swash plate 22 and reclaiming plate 25.The input of described storing swash plate 22 and the baffle plate 21 of side are close to, and are unlikely to be stuck when making this storing swash plate 22 receive the steel pipe fallen from lastblock storing swash plate 22; Be provided with the gap 23 passed through for pipe between the output of storing swash plate 22 and the baffle plate 21 of opposite side, this gap 23 distance is greater than the diameter of steel pipe, and steel pipe can fall into lower one deck storing swash plate 22 by this gap, 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 is a bit larger tham 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, can prevent steel pipe from surprisingly dropping 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 connecting plates 26 vertically arranged, because 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 backplate 251 place 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, are convenient to integral disassembly, assembly.
As shown in Fig. 5,7, described hold down gag 3 comprises 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 docks with the output of reclaiming plate 25, the installing plate 252 of reclaiming plate 25 output 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 output of reclaiming plate 25; The opposite side of described dip mold 31 is output and docks with doffer 4.Described dip mold 31 is formed by connecting by some molding unit, can according to the length of the length setting dip mold 31 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 coordinates with low groove 311 and forms columniform cavity; One end that described upper groove 341 and low groove 311 correspondence expand 72 is provided with expansion groove, and the diameter expanding groove is greater than the diameter of groove, tube head to be expanded after distortion can with described expansion slot form fit.Suction hole is provided with in described low groove 311, be provided with vacuum noz(zle) in described air entry, described vacuum noz(zle) is connected with vacuum machine by gas tank, when steel pipe to be processed is rolled in low groove 311, if fixed by steel pipe not in time, steel pipe likely rolls out outside low groove 311 under effect of inertia.The liftout driving mechanism 321 that described material jacking mechanism 32 comprises push rod component 322 and drives described push rod component 322 to move up and down, described push rod component 322 comprises holder 3223 and is located at two push rod combinations on described holder 3223, and push rod group is positioned at the two ends of holder 3223.Described push rod combination comprises the first push rod 3221 and the second push rod 3222, because the first push rod 3221 and the second push rod 3222 lay respectively at the both sides of dip mold 31, so stamper seat 33 needs the escape groove being provided with accommodating push rod component 322, this dodges space can make the second push rod 3222 pass on the one hand, push rod component 322 can be made to move up and down on the other hand not interrupted.Corresponding described first push rod 3221 place of output of described reclaiming plate 25 is provided with first 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 dip mold 31 direction reclaiming plate 25 direction.On described dip mold 31, corresponding described second push rod 3222 place is provided with second 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 comprises arc surface 3225 and the second inclined-plane 3226, and described arc surface 3225 is connected with the second inclined-plane 3226 and dropping material device 4 direction tilts gradually.
As shown in Figure 5,6, described pipe expander 7 comprises the gag lever post 73 being positioned at dip mold 31 one end, the expansion being positioned at dip mold 31 other end 72 and drives and expands 72 translational drive mechanism moved horizontally.The nut 78 that described translation mechanism comprises drive motors 71, the screw mandrel 77 be connected with drive motors 71 output shaft and coordinates with described screw mandrel 77, described nut 78 is fixed on the side of the second mount pad 76, and described expansion 72 is fixed on the opposite side of the second mount pad 76; Second mount pad 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.Described expansion 72 is made up of the changeover portion of three sections of different-diameter sizes; The end of described expansion 72 is circular arc, and the junction between adjacent transition section is inclined-plane.
As shown in Fig. 2,9, 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 limit 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 below 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, and 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 on described crossbeam 6, corresponding described first guide post 35 place is provided with the first pilot hole, 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.Wherein one piece of riser 5 is provided with the first mount pad 52, on described riser 5, corresponding described first mount pad 52 place is provided with the first mounting groove 51, first mount pad 52 is placed in the first mounting groove 51, the both sides extension of the first mount pad 52 is provided with the first mounting ear, and described first mounting ear is fixed by bolt and riser 5; Described gag lever post 73 is fixed on described first mount pad.Described first mount pad is provided with the first screw, and gag lever post 73 comprises plug and screw rod, and described screw rod is threaded with described first screwed hole; Described first screwed hole is connected with clamp nut 74 through described first screw for perforation, screw rod one end, 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 comprises 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 concordant with the height of dip mold 31 output; Described blowpit 42 is formed by steel plate bending, be fixed on the side of bracing frame 1 by support column bottom blowpit 42, it second side plate 421 comprising base plate 422, be positioned at the first side plate 423 of base plate 422 side and be positioned at base plate 422 opposite side of blowpit 42, 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 greater than b with the angle of base plate 422; The width of the second side plate 421 is greater than the width of the first side plate 423.
Operation principle of the present invention: storing and conveying: be placed in the storage device of transfer passage by needing the steel pipe of expander, due to the docking up and down that storing swash plate 22 is on zigzag, so the mass transport of feeding device 2 is zigzag trend, this kind of storing mode of movement effectively can save space, the arrangement that steel pipe in transfer passage is in good order, make operator can get information about the state of storing, be convenient to reinforced or eliminating material loading fault in time; In addition, be obliquely installed because storing swash plate 22 is, steel pipe can rely on the gravity of self to move, and this structure is simple, can save driving mechanism, reduces production cost; Material loading: first steel pipe being positioned at reclaiming plate 25 output is steel pipe to be processed, after the steel pipe just 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, making band process steel pipe can only roll in lower side and hold down gag 3 direction towards inclined-plane; While like this, second push rod 3222 will be positioned at the steel pipe jack-up machined of low groove 311, and roll according to the curved surface incline direction at the second push rod 3222 top, eventually with processing steel pipe can roll in the low groove 311 of dip mold 31, and the steel pipe having completed processing can carry out blanking and collection by blanking swash plate 41; Compress: steel pipe to be processed enters after in low groove 311, driving mechanism for compressing 35 drives top die 34 to move down finally and dip mold 31 merges, upper groove 341 and upper groove 341 form the circular cylindrical cavity formed and are just in time wrapped up by steel pipe to be processed, and apply certain extruding force to it; Expander: start pipe expander 7, translational drive mechanism drives and expands 72 and move to one end of steel pipe, because the point diameter expanding 72 is less than the internal diameter of steel pipe, so can insert in steel pipe, hand over the larger second half section namely will enter in steel pipe when expansion 72 diameter to make, steel pipe is subject to thrust and moves to gag lever post 73 direction until offset with gag lever post 73; Under the effect of gag lever post 73, steel pipe can not carry out translation again, can go deep in steel pipe by force, complete the expander action to steel pipe head so expand 72; Blanking: pipe expander 7 resets, hold down gag 3 resets, and Lifting Device starts again, and the position realizing the steel pipe and steel pipe to be processed having completed processing replaces, and realizes automated production.
Claims (3)
1.
a pipe expander for automatic tube expander, is characterized in that: comprise the gag lever post being positioned at hold down gag one end, the expansion head being positioned at the hold down gag other end and drive the translational drive mechanism expanding head and move horizontally; The nut that described translation mechanism comprises drive motors, the screw mandrel be connected with drive motors output shaft and coordinates with described screw mandrel, described nut is fixed on the side of the second mount pad, and described expansion head is fixed on the opposite side of the second mount pad; Second mount pad is provided with the second guide post, and riser is provided with the second pilot hole, and the second guide post coordinates with the second pilot hole; Described gag lever post is fixed on the first mount pad, and described first mount pad is provided with the first screw, and gag lever post comprises plug and screw rod, and described screw rod is threaded with described first screwed hole; Described first screwed hole is perforation, and screw rod one end is passed described first screw and is connected with clamp nut.
2.
the pipe expander of a kind of automatic tube expander according to claim 1, is characterized in that: described expansion head is made up of the changeover portion of three sections of different-diameter sizes.
3.
the pipe expander of a kind of automatic tube expander according to claim 2, is characterized in that: the end of described expansion head is circular arc, and the junction between adjacent transition section is inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510913105.0A CN105344851A (en) | 2015-12-11 | 2015-12-11 | Pipe expanding device of automatic pipe expanding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510913105.0A CN105344851A (en) | 2015-12-11 | 2015-12-11 | Pipe expanding device of automatic pipe expanding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105344851A true CN105344851A (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510913105.0A Pending CN105344851A (en) | 2015-12-11 | 2015-12-11 | Pipe expanding device of automatic pipe expanding machine |
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| Country | Link |
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| CN (1) | CN105344851A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493242A (en) * | 2016-11-29 | 2017-03-15 | 苏州工业职业技术学院 | A kind of automatic tube expander |
| CN106583573A (en) * | 2016-11-29 | 2017-04-26 | 苏州工业职业技术学院 | Automatic pipe expanding device for blank pipe |
| CN107774811A (en) * | 2016-08-31 | 2018-03-09 | 天津市汇点机电设备开发有限公司 | Fully automatic hydraulic electric tube expander |
| WO2021102806A1 (en) * | 2019-11-28 | 2021-06-03 | 乐国强 | Automatic flaring apparatus for plastic pipe body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112625A (en) * | 1994-10-12 | 1996-05-07 | Sanou Kogyo Kk | Device for forming end part of tube |
| CN203992073U (en) * | 2014-07-06 | 2014-12-10 | 滁州开关电器科技有限公司 | A kind of electric power copper pipe flaring machine |
| CN104492988A (en) * | 2014-12-15 | 2015-04-08 | 高密天一机械科技有限公司 | Reamer |
| CN205324513U (en) * | 2015-12-11 | 2016-06-22 | 于建林 | Automatic pipe expander's expander device |
-
2015
- 2015-12-11 CN CN201510913105.0A patent/CN105344851A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112625A (en) * | 1994-10-12 | 1996-05-07 | Sanou Kogyo Kk | Device for forming end part of tube |
| CN203992073U (en) * | 2014-07-06 | 2014-12-10 | 滁州开关电器科技有限公司 | A kind of electric power copper pipe flaring machine |
| CN104492988A (en) * | 2014-12-15 | 2015-04-08 | 高密天一机械科技有限公司 | Reamer |
| CN205324513U (en) * | 2015-12-11 | 2016-06-22 | 于建林 | Automatic pipe expander's expander device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774811A (en) * | 2016-08-31 | 2018-03-09 | 天津市汇点机电设备开发有限公司 | Fully automatic hydraulic electric tube expander |
| CN106493242A (en) * | 2016-11-29 | 2017-03-15 | 苏州工业职业技术学院 | A kind of automatic tube expander |
| CN106583573A (en) * | 2016-11-29 | 2017-04-26 | 苏州工业职业技术学院 | Automatic pipe expanding device for blank pipe |
| WO2021102806A1 (en) * | 2019-11-28 | 2021-06-03 | 乐国强 | Automatic flaring apparatus for plastic pipe body |
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Application publication date: 20160224 |