CN202516949U - Vertical pipe expansion machine - Google Patents
Vertical pipe expansion machine Download PDFInfo
- Publication number
- CN202516949U CN202516949U CN2011204953978U CN201120495397U CN202516949U CN 202516949 U CN202516949 U CN 202516949U CN 2011204953978 U CN2011204953978 U CN 2011204953978U CN 201120495397 U CN201120495397 U CN 201120495397U CN 202516949 U CN202516949 U CN 202516949U
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- China
- Prior art keywords
- frame
- seat
- vertical pipe
- force transmission
- transmission rack
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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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a vertical pipe expansion machine, which comprises a base, a machine frame, a motive power seat, a flaring seat and a demolding seat, wherein an expansion rod is arranged on the motive power seat, passes through a plurality of support plates and is fixed and supported by the support plates, the machine frame is a portal machine frame, mutually parallel linear guide rails are respectively arranged on two front side surfaces of the portal machine frame, and mutually parallel inner side guide rails are respectively arranged on two inner side surfaces of the machine frame. A force transfer frame is arranged in the machine frame, in addition, the position of the force transfer frame is limited on the inner side guide rails of the machine frame, the force transfer frame is driven by a force transfer frame motive power mechanism to vertically move on the inner side guide rails of the machine frame, the upper side edge of the force transfer frame is fixedly provided with the motive power seat, two ends of the motive seat are respectively provided with lead screw chain wheels provided with guide keys in inner holes, two parallel upper lead screws are respectively penetrated and sheathed in two lead screw chain wheel holes, an upper lead screw driving device is arranged on the motive power seat and drives the lead screw chain wheel to rotate, and the lower ends of the upper lead screws are connected with the flaring seat. Lower lead screws and a lower lead screw driving device are arranged on a base arranged under the demolding seat, the upper ends of the lower lead screws are sheathed with lower lead screw nuts, and the lower lead screw nuts are fixedly arranged on the demolding seat.
Description
Technical field
The utility model relates to a kind of vertical pipe expander.
Background technology
Electric tube expander is to be used for making it to combine closely with fin with placing the numerous heat exchanger pipe fitting diameters in the fin to swell, and avoids producing and becomes flexible, and increases the heat conductivility of heat exchanger, in addition pipe fitting end is carried out enlarging and flange, is beneficial to carry out next procedure.
Existing common vertical pipe expander production efficiency is low, automaticity is not high, and every variation primary production model all need be readjusted the striker plate of locating clip clamping of workpieces, unusual trouble, and workload is big, and precision can't guarantee.Simultaneously the heat exchanger pipe fitting can produce certain shrink in expanded joint, and the contraction of every heat exchanger pipe fitting also there are differences, and causes the heat exchanger tube end uneven, and waste of raw materials is very big, and the upper and lower material of workpiece takies the machine time kept in reserve, and operating efficiency is low.
The higher vertical pipe expander of existing automaticity comprises frame, power seat, enlarging seat and moves back die holder; Expander roll is installed on the power seat; Expander roll passes a plurality of gripper shoes and by the gripper shoe fixed support; The power seat is generally directly driven by rack-mounted oil cylinder, and the stationarity of whole actuating unit is relatively poor, a little less than the anti-bias load ability, and workpiece is yielding in the expand tube process.
The utility model content
The utility model technical problem to be solved is to overcome the above-mentioned defective of prior art and a kind of vertical pipe expander is provided, and makes its anti-bias load ability strong, guarantees that workpiece is indeformable.
The utility model solves the problems of the technologies described above the technical scheme that is adopted:
Vertical pipe expander; Comprise base, be installed in the frame on the base, the power seat that expander roll is installed, enlarging seat and move back die holder; Expander roll is installed on the power seat, and expander roll passes a plurality of gripper shoes and by the gripper shoe fixed support, it is characterized in that: described frame is a portal frame; The line slideway that is parallel to each other is installed on two leading flanks of portal frame separately, the interior side rails that is parallel to each other is installed on two medial surfaces of frame separately; Force transmission rack places in the frame and is spacing in frame on the side rails; And drive by the force transmission rack actuating unit that side rails moves up and down in the frame; Force transmission rack top stationary power seat, the screw mandrel sprocket wheel that endoporus has feather key respectively is equipped with at power seat two ends, and two parallel upper screw rods are set on respectively in two screw mandrel sprocket holes; The upper screw rod drive unit is installed on the power seat; Drive the rotation of screw mandrel sprocket wheel, the upper screw rod nut that is set on the upper screw rod bottom is also spacing on the line slideway of frame, and the upper screw rod lower end connects the enlarging seat; Following screw mandrel and following screw rod driving device thereof are installed on the base that moves back the die holder below, and following screw mandrel upper end is with down the feed screw nut, and following feed screw nut is fixed on and moves back on the die holder.
Above-mentioned upper screw rod drive unit through drive sprocket respectively be set on upper screw rod on two screw mandrel sprocket wheels be connected through chain, such driving is more steady.
Above-mentioned force transmission rack actuating unit comprises ball screw, and ball screw is installed on the base of frame below, and the force transmission rack lower end is connected with the force transmission rack nut, and the force transmission rack nut sleeve is in the screw mandrel upper end of ball screw.
Above-mentioned force transmission rack two sides through the roll wheel assembly frame installed in frame on the side rails.
Above-mentioned upper screw rod lower end connects the enlarging seat with bulb.
The above-mentioned die holder top mounting spring of moving back supports the enlarging seat.
Above-mentioned down screw mandrel is erected at and moves back the die holder both sides, and nut is installed in its upper end, described move back to install on the die holder two sides move back the mould cylinder, the described piston rod that moves back the mould cylinder is connected with nut.
Also in pedestal a cat ladder is set, described cat ladder below is fixed on the base, and upper fixed is on frame.
Compared with prior art, the advantage of the utility model is:
1. frame is a door shape; What electric tube expander power seat was installed on the force transmission rack and the roll wheel assembly through force transmission rack two sides can pump in frame; Because roll wheel assembly can be arranged on position far away relatively; So the expander roll that the power seat is driven, enlarging seat anti-bias load ability are strong, help to improve the anti-bias load ability of electric tube expander, guarantee that workpiece is indeformable.
2. power seat, enlarging seat and move back die holder and can move back and forth along two line slideways on the frame operate steadily, and transmitting the heat exchanger pipe fitting through power seat, upper screw rod, to expand the power application of force of cup-shaped recess and pipe end taper flange balanced.
3. the chain wheel driving mechanism of upper screw rod drive device drives not only can transferring power, and also automatic tension chain need not increase other part and carry out the chain tensioner simultaneously.
4. be employed on the frame that two parallel linear guides are installed is more convenient than two guide pillars of existing employing, and precision is guaranteed.
5. through a cat ladder is installed, operating maintenance is convenient on the one hand, but the also counter-bending ability of enhancement apparatus simultaneously.
Description of drawings
Fig. 1 is the utility model vertical pipe expander stereogram.
Fig. 2 for the utility model vertical pipe expander not with the stereogram of rotary table.
Fig. 3 for the utility model vertical pipe expander not with the part stereogram of rotary table.
Fig. 4 is the structural representation of the utility model force transmission rack.
Fig. 5 is the utility model power seat sprocket wheel and the figure that cooperates of upper screw rod.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Like Fig. 1,2, shown in 3, vertical pipe expander comprises base 1, and portal frame 10 is installed on it, and the line slideway 16 that is parallel to each other is installed on 10 2 leading flanks of frame separately, and the interior side rails 101 that is parallel to each other is installed on 10 2 medial surfaces of frame separately.
Above-mentioned rollers assembly 81 comprises a pair of parallel pulley 811 that keeps at a certain distance away, and force transmission rack 8 is mobile more steady on interior side rails 101 like this on interior side rails 101 to 811 on pulley through this, and frictional force is littler, sees Fig. 4.
For guiding force transmission rack 8 better, also between the parallel pulley of roll wheel assembly 81 is to 811, vertical sliding wheel 812 is set.
The screw mandrel sprocket wheel 91 that endoporus has feather key 92 respectively is equipped with at power seat 9 two ends; Two parallel upper screw rods 6 are set on respectively in two screw mandrel sprocket wheel 91 holes; Feather key 92 is embedded in the guiding groove 61 of upper screw rod 6, and the drive unit 601 of upper screw rod 6 is installed on the power seat 9, and drive unit 601 comprises two drive sprockets 94; Respectively be set on upper screw rod 6 on two screw mandrel sprocket wheels 91 be connected through chain 93; Upper screw rod 6 lower ends connect enlarging seat 5 with bulb, and the guiding groove 603 of upper screw rod nut 602 through the one of which side that is set on the upper screw rod 6 is limited on the line slideway 16 of frame, sees Fig. 5.
Following screw mandrel 2 and drive unit 201 thereof are installed on the base 1 that moves back die holder 4 belows, and feed screw nut 17 is down installed in following screw mandrel 2 upper ends, moves back mould cylinder 18 and is fixed on the side that moves back die holder, move back the piston rod of mould cylinder 18 and fix with following feed screw nut 17.
For making down feed screw nut's 17 stress equalizations and better moving, at the opposite side that moves back mould cylinder 18 piston rods relatively that descends feed screw nut 17 guide rod 41 is set, guide rod 41 passes down feed screw nut 17 sidepiece and is fixed on and moves back on the die holder 4, sees Fig. 3.
Above-mentioned move back die holder 4 tops also mounting spring support 5 (show among the figure and draw) of enlarging seat.
Like Fig. 1,2,3, also a cat ladder 20 is set in pedestal, described cat ladder 20 belows are fixed on the base 4, and upper fixed makes operating maintenance become easily on frame 1 on the one hand, has also strengthened the counter-bending ability of equipment simultaneously.
When vertical pipe expander of the present invention is worked; Drive unit 601 through upper screw rod 6 drives upper screw rod 6 rotations earlier; Thereby change its top nut 602 and with the position of the fixing enlarging seat 5 of top nut 602, the determining positions of nut 602 carry out the original position that pipe fitting expands cup-shaped recess and pipe end taper flange; Through the following drive unit 201 of screw mandrel 2, drive screw mandrel 2 rotations down, thereby change the position of its top nut 17, and then the position of moving back die holder 4 fixed of change and top nut 17 and the position of moving back die holder 4 relative workpiece 15; Through the position of ball screw 3 adjustment power seats 9, the i.e. initial position of expander roll 14 relative workpiece 15.
After adjusting finishes, on stacked rotary table 15, install workpiece, clamp the pipe fitting U-shaped end and the other end, move back mould cylinder 18 and drive and move back die holder 4 and compress heat exchanger fin, just can start working to next segment distance.
Claims (10)
1. vertical pipe expander; Comprise base, be installed in the frame on the base, the power seat that expander roll is installed, enlarging seat and move back die holder; Expander roll is installed on the power seat, and expander roll passes a plurality of gripper shoes and by the gripper shoe fixed support, it is characterized in that: described frame is a portal frame; The line slideway that is parallel to each other is installed on two leading flanks of portal frame separately, the interior side rails that is parallel to each other is installed on two medial surfaces of frame separately; Force transmission rack places in the frame and is spacing in frame on the side rails; And drive by the force transmission rack actuating unit that side rails moves up and down in the frame; Force transmission rack top stationary power seat, the screw mandrel sprocket wheel that endoporus has feather key respectively is equipped with at power seat two ends, and two parallel upper screw rods are set on respectively in two screw mandrel sprocket holes; The upper screw rod drive unit is installed on the power seat; Drive the rotation of screw mandrel sprocket wheel, the upper screw rod nut that is set on the upper screw rod bottom is also spacing on the line slideway of frame, and the upper screw rod lower end connects the enlarging seat; Following screw mandrel and following screw rod driving device thereof are installed on the base that moves back the die holder below, and following screw mandrel upper end is with down the feed screw nut, and following feed screw nut is fixed on and moves back on the die holder.
2. vertical pipe expander as claimed in claim 1 is characterized in that: said upper screw rod drive unit through drive sprocket respectively be set on upper screw rod on two screw mandrel sprocket wheels be connected through chain.
3. according to claim 1 or claim 2 vertical pipe expander; It is characterized in that: said force transmission rack actuating unit comprises ball screw; Ball screw is installed on the base of frame below; The force transmission rack lower end is connected with the force transmission rack nut, and the force transmission rack nut sleeve is in the screw mandrel upper end of ball screw.
4. according to claim 1 or claim 2 vertical pipe expander is characterized in that: said force transmission rack two sides through the roll wheel assembly frame installed in frame on the side rails.
5. vertical pipe expander as claimed in claim 4 is characterized in that: said roll wheel assembly comprises a pair of parallel pulley that keeps at a certain distance away, through this to pulley yoke on interior side rails.
6. vertical pipe expander as claimed in claim 5 is characterized in that: the parallel pulley of said roll wheel assembly between vertical sliding wheel is set.
7. according to claim 1 or claim 2 vertical pipe expander, it is characterized in that: the described die holder top mounting spring of moving back supports the enlarging seat.
8. vertical pipe expander as claimed in claim 3 is characterized in that: the described die holder top mounting spring of moving back supports the enlarging seat.
9. vertical pipe expander as claimed in claim 4 is characterized in that: the described die holder top mounting spring of moving back supports the enlarging seat.
10. vertical pipe expander as claimed in claim 1 is characterized in that: also in pedestal a cat ladder is set, described cat ladder below is fixed on the base, and upper fixed is on frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204953978U CN202516949U (en) | 2011-12-02 | 2011-12-02 | Vertical pipe expansion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204953978U CN202516949U (en) | 2011-12-02 | 2011-12-02 | Vertical pipe expansion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202516949U true CN202516949U (en) | 2012-11-07 |
Family
ID=47099919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204953978U Withdrawn - After Issue CN202516949U (en) | 2011-12-02 | 2011-12-02 | Vertical pipe expansion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202516949U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513458A (en) * | 2011-12-02 | 2012-06-27 | 宁波精达成形装备股份有限公司 | Vertical tube expanding machine |
| CN105903823A (en) * | 2016-05-24 | 2016-08-31 | 宁波精达成形装备股份有限公司 | Pipe expansion mechanism and pipe expansion machine thereof |
-
2011
- 2011-12-02 CN CN2011204953978U patent/CN202516949U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513458A (en) * | 2011-12-02 | 2012-06-27 | 宁波精达成形装备股份有限公司 | Vertical tube expanding machine |
| CN102513458B (en) * | 2011-12-02 | 2014-05-28 | 宁波精达成形装备股份有限公司 | Vertical tube expanding machine |
| CN105903823A (en) * | 2016-05-24 | 2016-08-31 | 宁波精达成形装备股份有限公司 | Pipe expansion mechanism and pipe expansion machine thereof |
| CN105903823B (en) * | 2016-05-24 | 2019-04-23 | 宁波精达成形装备股份有限公司 | Tube expanding mechanism and its electric tube expander |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121107 Effective date of abandoning: 20140528 |
|
| RGAV | Abandon patent right to avoid regrant |