CN102172687A - Lifting mechanism of bender - Google Patents
Lifting mechanism of bender Download PDFInfo
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- CN102172687A CN102172687A CN201010592615XA CN201010592615A CN102172687A CN 102172687 A CN102172687 A CN 102172687A CN 201010592615X A CN201010592615X A CN 201010592615XA CN 201010592615 A CN201010592615 A CN 201010592615A CN 102172687 A CN102172687 A CN 102172687A
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- nut
- screw rod
- heat exchanger
- nut seat
- fixed
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Abstract
The invention relates to a component of bend forming equipment of a heat exchanger, specifically relates to a lifting mechanism of a bender capable of bending a heat exchanger, and in particular relates to a lifting mechanism of a bender capable of adopting a layered bending and forming process for a multi-layer heat exchanger. The lifting mechanism comprises a rack, a lifting platform, a screw, a nut, a nut seat, a driven chain wheel, a transmission chain, a drive chain wheel, a speed reducer and a servo motor, wherein the nut seat is fixed on a bottom plate of the rack; the nut is pivoted in the nut seat; the driven chain wheel is fixed with the nut; the screw is fixed at the bottom of the lifting plate in a vertical manner, and passes through the driven chain wheel to cooperate with the nut; and the driving chain wheel drives the driven chain wheel through the transmission chain. The lifting mechanism provided by the invention has the following advantages: 1, the height of a follower plate is adjusted in a servo manner, automatic lifting is realized, and positioning is accurate; 2, the layered bending reduces the pressure applied on the heat exchanger and prevents the fin from collapsing and crushing; and 3, the structure is simple, the layout is reasonable, the manufacturing is easy and the operation is convenient.
Description
Technical field
The present invention relates to a kind of parts of bending and molding equipment of heat exchanger, a kind of specifically can be with the elevating mechanism of the bender of heat exchanger bending, especially a kind of elevating mechanism that can adopt the bender of layering bending forming technology to the multilayer heat exchanger.
Background technology
Fin-tube type heat exchanger has application widely as a kind of compact heat exchanger at refrigeration industry.Along with the technical development of air-conditioning and refrigeration industry, and the further strict control of environmental regulation, the requirement of heat exchanging unit self heat exchange property is strict more, and is low to remedy the alternative refrigerant performance.Therefore, heat exchanger structure (heat exchanger tube and fin type) and relevant heat exchanger forming technology are the key factors that influences heat exchange property, have great importance for the whole heat exchange property that improves heat exchanger.The forming process of heat exchanger mainly contains following three kinds of forming technologies: canal curvature is shaped (forming U type pipe), and mechanical expanding is shaped (realizing that pipe-wing connects), tube bank bending and forming (forming L type or G type heat exchanger).The tube bank bending and forming is one of critical process of heat exchanger shaping, and the performance of heat exchanging device has material impact.
When the tube bank bending and forming, earlier heat exchanger is transported on the position of regulation, make and want crooked position near the bending die that firmly has predetermined bending radius (transfer roller), clamp the heat exchanger that is in the bending die both sides then, the hold assembly that makes one or both sides is that the center rotation is moved with the bending die, so heat exchanger just is squeezed into the angle of bend of regulation along bending die.In particular, heat exchanger is at lying status lower edge longitudinal feed bender, laterally make predefined curved position near bending die then, bending die places the top of wanting crooked position, and the heat exchanger front end is clipped between bending die and the clamping die (lower platen), and tail end is supported by base plate (movable head) simultaneously, drive actuator, make bending die and clamping die rotate the angle of regulation as requested, it is the center rotation with the center of bending die that the clamping die lifting gets up to make the heat exchanger leading portion, thereby is shaped along bending die.
In traditional tube bank bending and forming technology, adopt the method for assembling after the individual layer bending mostly.In order to improve working (machining) efficiency, the technology of taking multilayer heat exchanger first order buckling to be shaped at present more.The contact stress of local fin and bending mould bends to form height than the individual layer heat exchanger in this technology, cause bending forming after local fin easily by conquassation, the pipe wing connects loosening distortion, thereby influences the heat exchange property and the reliability of heat exchanger.
Summary of the invention
At the deficiency that prior art exists, the object of the present invention is to provide a kind of elevating mechanism of bender that can the crooked multilayer heat exchanger of layering.This elevating mechanism can make above-mentioned base plate accurately hold the tail end of each layer of heat exchanger heat exchanger tube, so that the layering bending.
For achieving the above object, the present invention is by the following technical solutions:
A kind of elevating mechanism of bender, comprise frame and hoistable platform, it is characterized in that: this elevating mechanism also comprises screw rod, nut, nut seat, driven sprocket, driving-chain, drive sprocket, decelerator and servomotor, nut seat is fixed on the base plate of frame, nut is hubbed in the nut seat, driven sprocket and nut are fixed together, screw rod is fixed on the hoistable platform bottom and is vertical shape, screw rod passes driven sprocket and cooperates with nut, and screw rod passes nut seat and stretches into the screw rod cover of nut seat bottom, screw rod cooperates with the slippage of screw rod cover, drive sprocket drives driven sprocket by driving-chain, drive sprocket is contained on the output shaft of decelerator, and input shaft of speed reducer connects with the axle of servomotor.
Technique scheme can also be further improved by following technical measures:
This elevating mechanism has three screw rods, three nuts, three nut seats, three driven sprockets and three screw rod covers, hoistable platform is rectangular, the position of two screw rods is near the two ends of a widthwise edge of this rectangle, and the position of the 3rd screw rod is near the mid point of another widthwise edge of this rectangle.
Compared to existing technology, the present invention has following advantage: 1, the height of servo regulation and control movable head, automatic lifting, accurate positioning; 2, layering bending, thus the power be applied on the heat exchanger reduced, prevent from that fin from collapsing to damage by pressure; 3, simple in structure, rationally distributed, easy to manufacture, easy to operate.
Description of drawings
Fig. 1, the 2nd adopts the stereogram of two different angles of bender of the present invention;
Fig. 3 is the side view that adopts bender of the present invention;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the B-B cutaway view of Fig. 4;
Fig. 7 is the C-C cutaway view of Fig. 5;
Fig. 8 is the D portion enlarged drawing of Fig. 7;
Fig. 9 is the stereogram of major part of the present invention;
Figure 10 is the stereogram of hoistable platform, movable head guiding mechanism, movable head driving mechanism, arrangement of clutch, connector guiding mechanism and locking mechanism combination.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
A kind of bender, comprise frame 1, controller 2, transfer roller 3, transfer roller driving mechanism 10, lower platen 4 and movable head 5, the transfer roller 3 that is driven by transfer roller driving mechanism 10 is in horizontal plane and laterally is hubbed on frame 1 top, and top board 6 is housed on the transfer roller 3, and lower platen 4 is parallel with top board 6.
Be provided with lower platen guiding mechanism 20 and lower platen driving mechanism 30 between lower platen 4 and the top board 6, lower platen driving mechanism 30 drive lower platens 4 along 20 slippages of lower platen guiding mechanism make lower platen 4 near or away from top board 6;
Be provided with the hoistable platform 7 of level in the frame, be provided with elevating mechanism 40 between hoistable platform 7 and the frame 1, elevating mechanism 40 orders about hoistable platform 7 and rises in frame 1 or descend;
Hoistable platform 7 is provided with movable head guiding mechanism 50, movable head driving mechanism 60 and arrangement of clutch 70, movable head 5 be subjected to movable head guiding mechanism 50 guiding and on hoistable platform 7 straight skidding, arrangement of clutch 70 is arranged on and between movable head 5 and the movable head driving mechanism 60 movable head 5 is separated with movable head driving mechanism 60 or engage to cut off or to transmit the power of movable head driving mechanism 60 to movable head 5 inputs, movable head 5 is dragged and vertically servo-actuated on hoistable platform 7 by the heat exchanger (not shown) of movable head 5 carryings when arrangement of clutch 70 separates, and movable head driving mechanism 60 drives movable head 5 length feed or movable head 5 is locked in desired location on hoistable platform 7 when arrangement of clutch 70 engages.
Above-mentioned movable head guiding mechanism 50 comprises movable head guide rail 50-1 that is arranged on the layout longitudinally on the hoistable platform 7 and the slide 50-2 that movable head 5 bottoms set firmly, and movable head 5 is by slide 50-2 straight skidding on movable head guide rail 50-1.Have two movable head guide rail 50-1, movable head guide rail 50-1 is fixed on the hoistable platform 7, and the edge of close hoistable platform 7.Movable head 5 bottoms are fixed with four slide 50-2 by four corner posts, and movable head 5 is crossed on the two movable head guide rail 50-1 by four slide 50-2.
Transfer roller driving mechanism 10 comprises the servomotor 10-2 of decelerator 10-1 and 2 controls of controlled device, and servomotor 10-2 orders about transfer roller 3 by decelerator 10-1 and rotates.
Above-mentioned lower platen guiding mechanism 20 comprises guide pillar 20-1 that is vertically fixed on the lower platen 4 and the guide bearing chock 20-2 that is fixed on the top board 6, and guide pillar 201 passes guide bearing chock 20-2 slippingly; Above-mentioned lower platen driving mechanism 30 comprises the lower platen cylinder 30-1 that is fixed on device 2 controls on the top board 6, controlled, and the piston rod 30-2 of lower platen cylinder 30-1 is parallel with guide pillar 20-1, and the piston rod 30-2 of lower platen cylinder 30-1 is terminal to be connected with lower platen 4.During work, heat exchanger places on the lower platen 4, and lower platen cylinder 30-1 drives lower platen 4 rising clamping heat exchangers.
Above-mentioned elevating mechanism 40 comprises screw rod 40-1, nut 40-2, nut seat 40-3, driven sprocket 40-4, the driving-chain (not shown), drive sprocket 40-6, the servomotor 40-8 of decelerator 40-7 and 2 controls of controlled device, nut seat 40-3 is fixed on the base plate 1-1 of frame 1, nut 40-2 is hubbed among the nut seat 40-3, driven sprocket 40-4 and nut 40-2 are fixed together, screw rod 40-1 is fixed on hoistable platform 7 bottoms and is vertical shape, screw rod 40-1 passes driven sprocket 40-4 and cooperates with nut 40-2, and screw rod 40-1 passes nut seat 40-3 and stretches into the screw rod cover 40-9 of nut seat 40-3 bottom, screw rod 40-1 cooperates with screw rod cover 40-9 slippage, drive sprocket 40-6 drives driven sprocket 40-4 by driving-chain 40-5, drive sprocket 40-6 is contained on the output shaft of decelerator 40-7, and the power shaft of decelerator 40-7 connects with the axle of servomotor 40-8.During work, the drive sprocket 40-6 that is driven by servomotor 40-8 drives driven sprocket 40-4 by driving-chain 40-5, because nut 40-2 and driven sprocket 40-4 are fixed together, nut 40-2 just rotates with driven sprocket 40-4, because the rotation of nut 40-2 just makes the screw rod 40-1 that cooperates with nut 40-2 along the direction rectilinear motion (rise or descend) perpendicular to horizontal plane, just can drive with the hard-wired hoistable platform 7 of screw rod 40-1 this moment rises in frame 1 or descends.
Above-mentioned elevating mechanism 40 comprises three screw rod 40-1, three nut 40-2, three nut seat 40-3, three driven sprocket 40-4 and three screw rod cover 40-9, hoistable platform 7 is rectangular, the position of two screw rod 40-1 is near the two ends of a widthwise edge of this rectangle, and the position of the 3rd screw rod 40-1 is near the mid point of another widthwise edge of this rectangle.Drive sprocket 40-6 is in the triangle of three screw rod 40-1 formations.Three driven chains move between a 40-4 and the drive sprocket 40-6 and are wound with a driving-chain 40-5.
Above-mentioned arrangement of clutch 70 comprises extending column 70-1, connector 70-2, connector guiding mechanism 80 and the locking mechanism 90 that movable head 5 bottoms set firmly, above-mentioned movable head driving mechanism 60 drives connector 70-2 along connector guiding mechanism 80 straight skiddings, connector 70-2 has an activity space A, extending column 70-1 stretches among the activity space A downwards and relative motion in this activity space A, locking mechanism 90 is fixed on the connector 70-2, and locking mechanism 90 promotion extending column 70-1 contact with the border of activity space A and connector 70-2 and extending column 70-1 are fixed together.
Above-mentioned connector guiding mechanism 80 comprises connector guide rail 80-1 that is parallel to movable head guide rail 50-1 that is arranged on the hoistable platform 7 and the track base 80-2 that is fixed on the connector 70-2, and track base 80-2 is enclosed within on the connector guide rail 80-1 slippingly; Above-mentioned movable head driving mechanism 60 comprises the servomotor 60-2 of ball guide screw nat 60-1 and 2 controls of controlled device, and servomotor 60-2 drives connector 70-2 by ball guide screw nat 60-1; Above-mentioned locking mechanism 90 is cylinders of controlled device 2 controls, and the piston rod 90-1 of cylinder longitudinally stretches into pushing tow extending column 70-1 behind the activity space A.Ball guide screw nat 60-1 comprises leading screw and nut.Servomotor 60-2 is fixed on the hoistable platform 7, and the axle of servomotor 60-2 connects leading screw by shaft coupling 60-3, and leading screw is installed on the hoistable platform 7 by bearing block 60-4.Leading screw and movable head guide rail 50-1, connector guide rail 80-1 configured in parallel all are longitudinally to be provided with.
Above-mentioned connector 70-2 is a square frame, and the middle vacancy of square frame is activity space A.The nut of ball guide screw nat 60-1 is contained on the horizontal edge 70-2-1 of square frame, and the leading screw of ball guide screw nat 60-1 passes another horizontal edge 70-2-2 of nut and square frame.Have two connector guide rail 80-1, connector guide rail 80-1 is an optical axis, and every optical axis is fixed on the hoistable platform 7 by the bearing 80-1-1 at two ends.Two horizontal edges of square frame are installed with four track base 80-2 altogether, and four track base 80-2 are respectively near four angles of square frame, and optical axis passes track base 80-2 and is slidingly matched.The leading screw of extending column 70-1 and ball guide screw nat 60-1 is between two optical axises.
Be provided with extension spring 8 between above-mentioned connector 70-2 and the extending column 70-1, extension spring 8 is longitudinally arranged.Be fixed with spring base 70-2-1-1 on the horizontal edge 70-2-1 of square frame, spring base 70-2-1-1 from the horizontal edge 70-2-1 longitudinally towards stretching out away from the direction of square frame 70-2, spring base 70-2-1-1 both sides are respectively equipped with the spring reference column that crosses out, extending column 70-1 both sides also are respectively equipped with the spring reference column 70-1-1 that crosses out, and two extension springs 8 longitudinally are suspended between the spring reference column.
Above-mentioned activity space A inwall (laterally edge 70-2-2) is provided with a cushion pad 9, and above-mentioned connector 70-2 contacts with extending column 70-1 by cushion pad 9; The front end of the piston rod 90-1 of the cylinder of above-mentioned locking mechanism 90 is provided with cushion pad 10, and this piston rod 90-1 contacts with extending column 70-1 by this cushion pad 10.
Locking mechanism 90 (cylinder) is longitudinally arranged, is fixed on the horizontal edge 70-2-1 of square frame, and the piston rod 90-1 of cylinder can pass this horizontal edge 70-2-1 and over against extending column 70-1, and extending column 70-1 can be pushed to another horizontal edge 70-2-2.
During the layering bending, movable head can be held the pipe end (being positioned at topmost the most close bending die) of the ground floor of multilayer heat exchanger, earlier curved ground floor; After bending die resetted, movable head was held the pipe end (being positioned at below the ground floor) of the heat exchanger second layer again, and the curved again second layer makes the second layer ground floor that reclines, thereby realizes the layering bending.
Below only be that the specific embodiment among the present invention is illustrated, every equivalent transformation or modification of making according to the design concept among the present invention all should be thought to fall into protection scope of the present invention.
Claims (2)
1. the elevating mechanism of a bender, comprise frame and hoistable platform, it is characterized in that: this elevating mechanism also comprises screw rod, nut, nut seat, driven sprocket, driving-chain, drive sprocket, decelerator and servomotor, nut seat is fixed on the base plate of frame, nut is hubbed in the nut seat, driven sprocket and nut are fixed together, screw rod is fixed on the hoistable platform bottom and is vertical shape, screw rod passes driven sprocket and cooperates with nut, and screw rod passes nut seat and stretches into the screw rod cover of nut seat bottom, screw rod cooperates with the slippage of screw rod cover, drive sprocket drives driven sprocket by driving-chain, drive sprocket is contained on the output shaft of decelerator, and input shaft of speed reducer connects with the axle of servomotor.
2. the elevating mechanism of bender according to claim 1, it is characterized in that: this elevating mechanism has three screw rods, three nuts, three nut seats, three driven sprockets and three screw rod covers, hoistable platform is rectangular, the position of two screw rods is near the two ends of a widthwise edge of this rectangle, and the position of the 3rd screw rod is near the mid point of another widthwise edge of this rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010592615 CN102172687B (en) | 2010-12-09 | 2010-12-09 | Lifting mechanism of bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010592615 CN102172687B (en) | 2010-12-09 | 2010-12-09 | Lifting mechanism of bender |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102172687A true CN102172687A (en) | 2011-09-07 |
| CN102172687B CN102172687B (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010592615 Active CN102172687B (en) | 2010-12-09 | 2010-12-09 | Lifting mechanism of bender |
Country Status (1)
| Country | Link |
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| CN (1) | CN102172687B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500718A (en) * | 2011-10-31 | 2012-06-20 | 中山市奥美森工业技术有限公司 | Bending machine capable of bending layer by layer |
| CN108033221A (en) * | 2017-11-30 | 2018-05-15 | 郭弘 | A kind of semi-automatic production method of L-type connecting plate |
| CN108273930A (en) * | 2018-03-26 | 2018-07-13 | 奥美森智能装备股份有限公司 | Feeding device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831856A (en) * | 1987-07-13 | 1989-05-23 | Tru-Cut Die Corp. | Heat exchanger coil bending apparatus and method |
| CN201172079Y (en) * | 2008-04-03 | 2008-12-31 | 石家庄力神锻压机床有限公司 | Round steel straightener |
| CN201361651Y (en) * | 2009-02-13 | 2009-12-16 | 佛山市南海力丰机床有限公司 | Liftable rear stock stop mechanism for bending machine |
| CN101733333A (en) * | 2010-02-06 | 2010-06-16 | 中山市奥美森工业有限公司 | Tube expander |
| CN202006255U (en) * | 2010-12-09 | 2011-10-12 | 中山市奥美森工业有限公司 | Lifting mechanism of bending machine |
-
2010
- 2010-12-09 CN CN 201010592615 patent/CN102172687B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4831856A (en) * | 1987-07-13 | 1989-05-23 | Tru-Cut Die Corp. | Heat exchanger coil bending apparatus and method |
| CN201172079Y (en) * | 2008-04-03 | 2008-12-31 | 石家庄力神锻压机床有限公司 | Round steel straightener |
| CN201361651Y (en) * | 2009-02-13 | 2009-12-16 | 佛山市南海力丰机床有限公司 | Liftable rear stock stop mechanism for bending machine |
| CN101733333A (en) * | 2010-02-06 | 2010-06-16 | 中山市奥美森工业有限公司 | Tube expander |
| CN202006255U (en) * | 2010-12-09 | 2011-10-12 | 中山市奥美森工业有限公司 | Lifting mechanism of bending machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500718A (en) * | 2011-10-31 | 2012-06-20 | 中山市奥美森工业技术有限公司 | Bending machine capable of bending layer by layer |
| CN108033221A (en) * | 2017-11-30 | 2018-05-15 | 郭弘 | A kind of semi-automatic production method of L-type connecting plate |
| CN108033221B (en) * | 2017-11-30 | 2019-08-06 | 深圳市朗奥洁净科技股份有限公司 | A kind of semi-automatic production method of L-type connecting plate |
| CN108273930A (en) * | 2018-03-26 | 2018-07-13 | 奥美森智能装备股份有限公司 | Feeding device |
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| Publication number | Publication date |
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| CN102172687B (en) | 2013-06-19 |
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Address after: 528437 Guangdong province Zhongshan Torch Development Zone Yixian science and Technology Park Patentee after: Aomei gloomy intelligence equipment limited company Address before: 528437 Guangdong province Zhongshan Torch Development Zone Yixian science and Technology Park Patentee before: Zhongshan Aomeisen Industrial Co., Ltd. |