CN204620886U - A kind of expanding device - Google Patents
A kind of expanding device Download PDFInfo
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- CN204620886U CN204620886U CN201520176855.XU CN201520176855U CN204620886U CN 204620886 U CN204620886 U CN 204620886U CN 201520176855 U CN201520176855 U CN 201520176855U CN 204620886 U CN204620886 U CN 204620886U
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- enlarging
- installing plate
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- frame
- enlarging frame
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Abstract
A kind of expanding device, it comprises expansion head, enlarging framework, expands head reciprocating mechanism and expand head translation mechanism, expand head reciprocating mechanism and comprise enlarging frame, the upper and lower driving mechanism of enlarging frame, enlarging frame is fixed on enlarging framework movably, and enlarging frame reciprocating mechanism drives enlarging frame to move up and down at enlarging framework; Expand head translation mechanism comprise expansion head installing plate and expand head installing plate translational drive mechanism, expansion head installing plate is fixed on enlarging frame movably, expands the driving of head installing plate translational drive mechanism and expands the translation on enlarging frame of head installing plate, expands head and is arranged on expansion head installing plate.Expanding device can adjust flexibly, reposefully and expand head position, adapts to the actual needs of enlarging workpiece better, expansion head is elevated more steady, improves the quality of enlarging further.
Description
Technical field
The utility model relates to a kind of expanding device, particularly relates to the device that a kind of heat exchanger workpiece carries out enlarging.
Background technology
The expand tube of heat exchanger and enlarging are the requisite operations of heat exchanger production link, and it first carries out expand tube to workpiece, and then carry out enlarging.Enlarging and expand tube are arranged on same equipment and complete by some, and some only carries out enlarging, i.e. expanding device, but all must possess expanding device.
Utility model content
Technical problem to be solved in the utility model provides a kind of expanding device for above-mentioned prior art present situation, can stably to workpiece enlarging, and the service life of extension fixture.
The utility model solves the problems of the technologies described above adopted technical scheme:
A kind of expanding device, it comprises expansion head, enlarging framework, expands head reciprocating mechanism and expand head translation mechanism, expand head reciprocating mechanism and comprise enlarging frame, the upper and lower driving mechanism of enlarging frame, enlarging frame is fixed on enlarging framework movably, and enlarging frame reciprocating mechanism drives enlarging frame to move up and down at enlarging framework; Expand head translation mechanism comprise expansion head installing plate and expand head installing plate translational drive mechanism, expansion head installing plate is fixed on enlarging frame movably, expands the driving of head installing plate translational drive mechanism and expands the translation on enlarging frame of head installing plate, expands head and is arranged on expansion head installing plate.
The upper and lower driving mechanism of above-mentioned enlarging frame comprises enlarging frame driver, enlarging frame transmission mechanism, and enlarging frame transmission mechanism is connected with enlarging frame, and enlarging frame driver drives enlarging frame to move up and down at enlarging framework by transmission mechanism.
Between above-mentioned enlarging frame and enlarging framework, the first guide is also set, enlarging frame is moved more reposefully on enlarging framework.
Above-mentioned enlarging frame transmission mechanism comprises two interlinked mechanisms, each interlinked mechanism comprises crank, first back shaft, rotating shaft, upper connecting rod, lower link, second back shaft, first back shaft is fixed on enlarging framework, second back shaft is fixed on enlarging frame, crank, one end of upper connecting rod and lower link is hinged in rotating shaft simultaneously, the other end of crank is eccentric, rolling is connected on power transmission shaft, the other end of upper connecting rod rolls and is connected on the first back shaft, the other end of lower link rolls and is connected on the second back shaft, two interlinked mechanism left-right situs, gear drive is passed through between the power transmission shaft of one of them transmission mechanism and the power transmission shaft of another transmission mechanism, such enlarging frame driver drives enlarging frame by two interlinked mechanisms, enlarging frame can move up and down at enlarging framework reposefully.
Above-mentioned installing plate translational drive mechanism comprises installing plate driver, installing plate transmission mechanism, and installing plate transmission mechanism is connected with installing plate, and installing plate driver is driven by installing plate transmission mechanism and expands the translation on enlarging frame of head installing plate.
Between above-mentioned installing plate and enlarging frame, the second guide is also set, installing plate is moved more reposefully on enlarging frame.
Above-mentioned installing plate transmission mechanism comprises ball screw, feed screw nut, and ball screw is connected with installing plate driver, feed screw nut with expand head installing plate and fix, installing plate driver drives ball screw thus drive the expansion head installing plate be fixed on feed screw nut to move.
Above-mentioned driver can be motor, also can be other by power-actuated driving mechanism.
The utility model has the advantage of: expand head reciprocating mechanism because expanding device of the present utility model is arranged simultaneously and expand head translation mechanism, and expanding head translation mechanism is arranged on the enlarging frame of expansion head reciprocating mechanism, therefore expanding device can adjust flexibly, reposefully and expand head position, adapts to the actual needs of enlarging workpiece better.
Also due to the enlarging frame transmission mechanism by double link, expansion head is elevated more steady, improves the quality of enlarging further.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the utility model embodiment expanding device.
Fig. 2 is the schematic perspective view that the utility model embodiment expanding device removes enlarging framework.
Fig. 3 is the 3 D stereo schematic diagram of the enlarging frame partial cutaway of Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is further described.
As shown in Figure 1, a kind of expanding device, it comprises enlarging framework 1, expands head reciprocating mechanism 2 and expand head translation mechanism 3.
As shown in Figure 2, above-mentioned expansion head reciprocating mechanism 2 comprises motor 201, one group of synchronous pulley 202, driving shaft 203, driven shaft 204, synchromesh gear 205, crank 206, first back shaft 207, rotating shaft 208, upper connecting rod 209, lower link 210, second back shaft 211, enlarging frame 212.
Above-mentioned motor 201 is arranged on enlarging framework 1, one group of synchronous pulley 202 wherein one be arranged on the output shaft of motor 201, another is arranged on driving shaft 203, it is also provided with synchromesh gear 205, the another synchromesh gear 205 engaged with synchromesh gear is arranged on driven shaft 204, described driving shaft 203 and driven shaft 204 are supported on enlarging framework 1 by rolling element simultaneously, and the first back shaft 207 is supported by enlarging framework 1, and can not enlarging frame member relatively; Second back shaft 211 is supported by enlarging frame 212, and can not rotate relative to enlarging frame.One end of crank 206, upper connecting rod 209 and lower link 210 is hinged in rotating shaft 208 simultaneously, the other end of crank 206 is arranged on driving shaft 203 or driven shaft 204 by rolling element, and form bias with driving shaft 203 and driven shaft 204, the other end of upper connecting rod 209 is arranged on the first back shaft 207 by rolling element, and the other end of lower link 209 is also arranged on the second back shaft 211 by rolling element.
The implementation of above-mentioned bias has multiple, synchromesh gear 205 can be designed to the eccentric synchromesh gear with eccentric neck, also driving shaft and driven shaft can be designed to bent axle, or on driving shaft and driven shaft setting-up eccentricity cover etc.
Make two groups of connecting rods stretch and fold by be driven through one group of synchronous pulley, the synchromesh gear of engagement and the transmission of crank 206 of motor 201, thus the relative enlarging framework 1 of enlarging frame 212 is moved up and down.
Better, in order to mobile more steady, slide rail slide guiding mechanism 213 is set between enlarging frame 212 and enlarging framework 1.
As shown in Figures 2 and 3, above-mentioned expansion head translation mechanism 3 comprises motor 301, ball screw 302, feed screw nut 303, feed screw nut's holder 304 and expands head fixed head 305.Motor 301 is arranged on enlarging frame 212, and motor output end is connected with ball screw 302, and above-mentioned feed screw nut 303 is connected with expansion head fixed head 305 by feed screw nut's seat 304, and is set on outside ball screw 302.Motor 301 drives ball screw 302 to rotate, and is driven expand relative enlarging frame 212 translation of head fixed head 305 by feed screw nut 303.
Better, in order to steadily mobile, slide rail slide guiding mechanism 306 is set between enlarging frame 212 and expansion head fixed head 305.
Driven by above-mentioned expansion head reciprocating mechanism 2 and expand 4 and move up and down, complete the enlarging action of workpiece, owing to adopting linkage, moving up and down of enlarging frame is very steady, is conducive to improving enlarging quality, is also conducive to the service life of extension fixture simultaneously; The movement of expanding head horizontal direction is driven by above-mentioned expansion head translation mechanism 3, whenever expansion head completes the enlarging of workpiece one group of mouth of pipe, a position can be moved, the distance of movement is determined according to the pitch-row of workpiece, thus corresponding with next spout axis organized of workpiece, until complete the enlarging of all mouths of pipe of workpiece.
The utility model can be arranged on the electric tube expander of multistation, also can be used on the expanding device only carrying out enlarging.
Claims (7)
1. an expanding device, it is characterized in that: it comprises expansion head, enlarging framework, expands head reciprocating mechanism and expand head translation mechanism, expand head reciprocating mechanism and comprise enlarging frame, the upper and lower driving mechanism of enlarging frame, enlarging frame is fixed on enlarging framework movably, and enlarging frame reciprocating mechanism drives enlarging frame to move up and down at enlarging framework; Expand head translation mechanism comprise expansion head installing plate and expand head installing plate translational drive mechanism, expansion head installing plate is fixed on enlarging frame movably, expands the driving of head installing plate translational drive mechanism and expands the translation on enlarging frame of head installing plate, expands head and is arranged on expansion head installing plate.
2. expanding device as claimed in claim 1, it is characterized in that: the upper and lower driving mechanism of described enlarging frame comprises enlarging frame driver, enlarging frame transmission mechanism, enlarging frame transmission mechanism is connected with enlarging frame, and enlarging frame driver drives enlarging frame to move up and down at enlarging framework by transmission mechanism.
3. expanding device as claimed in claim 2, is characterized in that: also arrange the first guide between described enlarging frame and enlarging framework, enlarging frame is moved more reposefully on enlarging framework.
4. expanding device as claimed in claim 2, it is characterized in that: described enlarging frame transmission mechanism comprises two interlinked mechanisms, each interlinked mechanism comprises crank, first back shaft, rotating shaft, upper connecting rod, lower link, second back shaft, first back shaft is fixed on enlarging framework, second back shaft is fixed on enlarging frame, crank, one end of upper connecting rod and lower link is hinged in rotating shaft simultaneously, the other end of crank is eccentric, rolling is connected on power transmission shaft, the other end of upper connecting rod rolls and is connected on the first back shaft, the other end of lower link rolls and is connected on the second back shaft, two interlinked mechanism left-right situs, gear drive is passed through between the power transmission shaft of one of them transmission mechanism and the power transmission shaft of another transmission mechanism.
5. expanding device as claimed in claim 1, it is characterized in that: described installing plate translational drive mechanism comprises installing plate driver, installing plate transmission mechanism, installing plate transmission mechanism is connected with installing plate, and installing plate driver is driven by installing plate transmission mechanism and expands the translation on enlarging frame of head installing plate.
6. expanding device as claimed in claim 5, is characterized in that: also arrange the second guide between described installing plate and enlarging frame, installing plate is moved more reposefully on enlarging frame.
7. expanding device as claimed in claim 5, it is characterized in that: described installing plate transmission mechanism comprises ball screw, feed screw nut, ball screw is connected with installing plate driver, feed screw nut with expand head installing plate and fix, installing plate driver drives ball screw thus drive the expansion head installing plate be fixed on feed screw nut to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520176855.XU CN204620886U (en) | 2015-03-27 | 2015-03-27 | A kind of expanding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520176855.XU CN204620886U (en) | 2015-03-27 | 2015-03-27 | A kind of expanding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204620886U true CN204620886U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520176855.XU Active CN204620886U (en) | 2015-03-27 | 2015-03-27 | A kind of expanding device |
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| CN (1) | CN204620886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707916A (en) * | 2015-03-27 | 2015-06-17 | 宁波精达成形装备股份有限公司 | Flaring device |
-
2015
- 2015-03-27 CN CN201520176855.XU patent/CN204620886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707916A (en) * | 2015-03-27 | 2015-06-17 | 宁波精达成形装备股份有限公司 | Flaring device |
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