CN103111539A - High-precision fin feeding mechanism - Google Patents
High-precision fin feeding mechanism Download PDFInfo
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- CN103111539A CN103111539A CN2013100469081A CN201310046908A CN103111539A CN 103111539 A CN103111539 A CN 103111539A CN 2013100469081 A CN2013100469081 A CN 2013100469081A CN 201310046908 A CN201310046908 A CN 201310046908A CN 103111539 A CN103111539 A CN 103111539A
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Abstract
The invention relates to a high-precision fin feeding mechanism which is characterized by comprising a support frame. A material support board for supporting a fin is fixed on the support frame, and at least one transmission shaft capable of rotating around the axis of the transmission shaft is hung above the material support board. The axial direction of the transmission shaft is identical with the moving direction of the fin, and a gap for the fin to penetrate through is arranged between the transmission shaft and the material support board. The peripheral wall of the transmission shaft is formed with worm teeth used for being meshed with a pitch tooth portion on the fin. The transmission shaft rotates, and the worm teeth on the transmission shaft and the pitch tooth portion on the fin are meshed in a transmission mode so as to drive the fin to move. A driving structure for driving the transmission shaft to rotate around the axis of the transmission shaft is arranged on the support frame. The transmission shaft can be taken as a worm through rotation, and the fin can be taken as a worm gear with an infinitely large radius. The transmission shaft and the fin are meshed so that the fin is pushed to achieve forward translation through rotation of the worm teeth. Every time the transmission shaft rotates by a circle, the fin translates for distance by a pitch. The high-precision fin feeding mechanism directly pushes the fin to move.
Description
Technical field
The present invention relates to a kind of high accuracy fin propulsive mechanism that is suitable for forming machine for fin of plate-fin heat.
Background technology
In the production process of plate-fin fin, the punch forming process of fin carries out continuously, and fin is constantly travelling forward thereupon.For improving the operating efficiency of stamping machine, realize the safe punching press of automation, we can arrange automatic feed mechanism on stamping machine.Traditional feed mechanism generally has two kinds of forms, the first is to utilize main shaft to realize feeding by crank and swing-bar mechanism, be the Chinese utility model patent " press machine even rushes auto-feeder " of ZL95221233.1 (notification number is CN2230635Y) as a patent No., and the Chinese utility model patent " digital controlled automatic punching machine for high-speed precision apron " that is ZL02266922.1 (notification number is CN2589115Y) as a patent No. has all disclosed similar feed mechanism.This feed mechanism is continuous reciprocating type feeding, can realize the high-frequency reciprocating feeding, and its shortcoming is that pushing precision is poor, can't realize intermittently feeding function.Another kind is to utilize motor or cylinder, oil cylinder to realize the mechanism of feeding as power source, and the drive mechanism that rotarily drives by motor or the piston rod movement of cylinder oil cylinder are realized feeding.A kind of automatic feeding as the patent No. Chinese utility model patent " a kind of Multistation automatic feeding dvice of puncher " that is ZL200820235503.7 (notification number is CN201320584Y) has just disclosed.Aforementioned feed mechanism can be realized the batch (-type) feeding, but the feeding frequency is low.
according to aforementioned present situation, the applicant has invented a kind of high-precision reciprocating feeding mechanism that is specifically designed to forming machine for fin of plate-fin heat, a kind of high-precision reciprocating feeding mechanism as the patent No. Chinese utility model patent " a kind of high-precision reciprocating feeding mechanism " that is ZL201120557863.0 (notification number is CN202387872U) has just disclosed, it adopts two cams as power source, every one week of rotation of cam, feed mechanism is realized once back and forth feeding, feeding is intermittently guaranteed by cam curve the position, restoring force when back-moving spring provides the feed mechanism backhaul, the first oscillating bearing has been realized slip and the rotation of fork, swing drive charging ram high-frequency horizontal reciprocating at intermittence by fork moves, realize intermittently, the high-frequency feeding, because charging ram has two, and drive by two groups of identical cam link mechanisms, realize that synchronous front and back move back and forth, the parts that driven by charging ram can more steadily be promoted, and guarantee that feeding is steady, every group of cam link mechanism adopts symmetrical rigidity to come and go feeding structure, guarantees that feeding puts in place, also drive oscillating bearing along fork up and down slippage by drives structure in addition, cause the length variations at fork fulcrum two ends, realize the adjusting of feeding stroke.
aforementioned feed mechanism moves back and forth by the lower tool rest that charging ram drives, fin is shelved on lower tool rest, reciprocating motion by lower tool rest, fin by and lower tool rest between frictional force move forward with lower tool rest, that is to say that aforementioned propulsive mechanism is indirectly to promote the fin reach, as everyone knows, plate-fin heat exchanger fin is divided into flat type, sawtooth pattern, this three basic forms of it of ripple type, fin integral body can be regarded an infinitely-great worm gear of radius as, when the fin of punching moves forward, because making fin, frictional force effect meeting have certain pitch to shrink, fin is yielding, cause the fin advance distance can't Efficient Support.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of structure brand-new high accuracy fin propulsive mechanism for above-mentioned prior art present situation, this propulsive mechanism directly promotes fin and carries out steady feeding, guarantee that the proal distance of fin is accurately controlled, realize that the high accuracy of fin advances.
the present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of high accuracy fin propulsive mechanism, it is characterized in that: comprise support, be fixed with the retainer plate for the supporting fin on support, described retainer plate overhung has at least one can be around the power transmission shaft of self axis rotation, this power transmission shaft axially consistent with the moving direction of fin, the gap of passing for fin is arranged between power transmission shaft and retainer plate, form on the periphery wall of described power transmission shaft in order to fin on pitch tooth section to the worm tooth of engagement, the rotation of power transmission shaft, driving fin by the worm tooth on power transmission shaft and the pitch tooth section transmission engagement on fin moves, described support is provided with and drives power transmission shaft around the drives structure of self axis rotation.
Above-mentioned power transmission shaft has two.Two power transmission shafts are set can more steadily promote fin, a plurality of power transmission shafts can certainly be set, concrete number can be set according to the width of fin.
Above-mentioned drives structure comprises splined shaft, spline bevel gear, bevel gear, axially axially mutual vertical with power transmission shaft of described splined shaft, splined shaft is positioned at top and the driven by motor rotation of retainer plate, described spline bevel gear is sleeved on splined shaft and can rotates with splined shaft, described bevel gear is arranged on the rear end of power transmission shaft and can rotates with power transmission shaft, the mutual transmission engagement of described spline bevel gear and bevel gear.This drives structure is the Bevel Gear Transmission structure, and it can realize the transmission of two vertical axises, facilitates layout on support, and its also have advantages of compact conformation, stable drive, mechanical efficiency is high and driving torque is large.Certainly also can adopt other kind of drive to drive the power transmission shaft rotation.
Above-mentioned support top is provided with L-shaped mount pad, the vertical wall of this mount pad is movably set in splined shaft, the horizontal wall of mount pad is hung and is established the below that is fixed on installing plate, described installing plate is fixed by screws on support and is positioned at the top of retainer plate, described spline bevel gear is arranged on by bearing on the vertical wall of mount pad, and described power transmission shaft is arranged on the horizontal wall of mount pad by bearing.
Aforementioned mounting structure facilitates fin to pack into, spline bevel gear, bevel gear and power transmission shaft are installed on mount pad, and mount pad can rotate by the lap-ups key, mount pad is lifted on installing plate simultaneously, when therefore installing, first lays down the screw of mounting plate, start like this installing plate, whole spline bevel gear, bevel gear and power transmission shaft can be started as the center of circle rotates up take splined shaft with mount pad, allow the worm tooth on power transmission shaft separate with fin, facilitate fin to penetrate and pass.
Have bar hole on above-mentioned installing plate, have one or more threaded connection holes on described mount pad, be connected with described threaded connection hole after having trip bolt to pass bar hole, described trip bolt can be along bar hole left and right slippage.Left and right slippage by mount pad, can be according to the width of fin, arbitrarily regulate the position of mount pad, whole cone tooth drive mechanism left and right slippage, can allow worm tooth on power transmission shaft be positioned at the correct position of fin, the rotation of guaranteeing power transmission shaft can steadily drive fin front and back slippage, guarantees that better fin high accuracy forward advances.
above-mentioned support comprises base, two bearings and two back-up blocks, the below of described retainer plate relies on four support columns to be fixed on base, described two bearings vertically are fixed on the left and right sides of base, described two back-up blocks are L-shaped, have two vertical mounting holes that arrange on the horizontal wall of each back-up block, be threaded and back-up block is fixed on base with corresponding bearing after having screw to pass mounting hole, the bottom of described each back-up block is fixed with adjustment block, have tapped through hole on regulating block, the tapped through hole internal thread is connected with the adjustment screw, adjust the lower end abutment of screw on base, the two ends of described splined shaft are arranged on described back-up block by bearing, described installing plate is fixed on the upper surface of described back-up block.This supporting structure provides suitable installation position for aforementioned each parts, and integral layout is reasonable, can the height of left and right sides back-up block be changed up and down by the adjusting of adjusting screw in addition, be fixed on the fin that installing plate upper-lower position on back-up block changes to adapt to differing heights.
Be supported with diversion column between above-mentioned two bearings, this diversion column is positioned at the top of retainer plate, on diversion column, clamping has two chucks, each chuck is locked by lock-screw and can be clamped on diversion column, the below of each chuck respectively is provided with deflector, and the length direction of this deflector is consistent with the fin moving direction and contact that with the fin left and right sides fin is carried out mobile guide.Diversion column is fixed on chuck, but chuck is sleeved on left and right slippage on diversion column, deflector also with chuck left and right slippage to adapt to the fin of different in width, deflector can be by the lock-screw locking at diversion column after adjusting to correct position, fin travels forward against the medial surface of two deflectors on width, prevents that fin is offset in moving process.
Said motor is fixed therein on the bearing of a side, on the output shaft of motor, driving pulley is installed, and the end of described splined shaft is equipped with driven pulley, connects by toothed belt transmission between driving pulley and driven pulley.
Said motor is servomotor.By the control of PLC (Programmable Logic Controller) to the servomotor rotational angle, realized that the high accuracy of fin advances.
Compared with prior art, the invention has the advantages that: this propulsive mechanism is by the rotation of power transmission shaft, worm tooth on power transmission shaft and the engagement of the pitch tooth on fin, power transmission shaft can be considered a worm screw, and fin can be considered the infinitely-great worm gear of radius, rotation by worm tooth after intermeshing promotes fin translation forward, the distance of a pitch of the every rotation one circle fin translation of power transmission shaft, this push structure directly promotes fin and moves, can pass through in addition the accurate control to the anglec of rotation of power transmission shaft, be convenient to the movement of fin is accurately controlled.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the cutaway view of the embodiment of the present invention;
Fig. 3 is the plan structure schematic diagram of the embodiment of the present invention;
Fig. 4 is the side-looking structural representation of the embodiment of the present invention;
Fig. 5 is a kind of perspective view of fin.
The specific embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
As shown in Fig. 1～5, be a preferred embodiment of the present invention.
A kind of high accuracy fin propulsive mechanism comprises support 1, is fixed with for supporting fin 4 on support 1 and supplies the retainer plate 3 of fin 4 front and back slippages, and the structure of fin 4 can be as shown in Figure 4.support 1 comprises base 11, two bearings 12 and two back-up blocks 13, the below of retainer plate 3 relies on four support columns 31 to be fixed on base 11, two bearings 12 vertically are fixed on the left and right sides of base 11, two back-up blocks 13 are L-shaped, have two vertical mounting holes 131 that arrange on the horizontal wall of each back-up block 13, be threaded and back-up block 13 is fixed on base 11 with corresponding bearing 12 after having screw 132 to pass mounting hole 131, the bottom of each back-up block 13 is fixed with adjustment block 133, have tapped through hole 134 on regulating block 133, tapped through hole 134 internal threads are connected with adjusts screw 135, adjust the lower end abutment of screw 135 on base 11,
Drives structure comprises splined shaft 5, spline bevel gear 6, bevel gear 7, the two ends of splined shaft 5 are arranged on back-up block 13 by bearing, axially axially mutual vertical with power transmission shaft 2 of splined shaft 5, splined shaft 5 is positioned at the top of retainer plate 3 and by motor 10 driven rotary, spline bevel gear 6 is sleeved on splined shaft 5 and can rotates with splined shaft 5, bevel gear 7 is arranged on the rear end of power transmission shaft 2 by keyway arrangements and can rotates with power transmission shaft, the mutual transmission engagement of spline bevel gear 6 and bevel gear 7.
Support 1 top is provided with two L-shaped mount pads 8, mount pad 8 has vertically disposed vertical wall 81 and horizontal wall 82 mutually, the vertical wall 81 of mount pad 8 is movably set in splined shaft 5, the horizontal wall 82 of mount pad 8 is hung and is established the below that is fixed on installing plate 9, the two ends, left and right of installing plate 9 are fixed on the upper surface of back-up block 13 of support 1 and are positioned at the top of retainer plate 3 by screw 91, spline bevel gear 6 is arranged on by bearing on the vertical wall 81 of mount pad, and power transmission shaft 2 is arranged on the horizontal wall 82 of mount pad by bearing.
Have bar hole 92 on installing plate 9, have one or more threaded connection holes 83 on mount pad 8, have trip bolt 84 to pass bar hole 92 and be connected with threaded connection hole 83 afterwards, trip bolt 84 can be along bar hole 92 left and right slippages.
Be supported with diversion column 14 between two bearings 12, this diversion column 14 is positioned at the top of retainer plate 3, on diversion column 14, clamping has two chucks 15, each chuck 15 can be clamped on diversion column 14 by lock-screw 151 lockings, the below of each chuck 15 respectively is fixed with deflector 16 by screw, and the length direction of this deflector 16 is consistent with fin 4 moving directions and contact that with fin 4 left and right sides fin 4 is carried out mobile guide.
Operation principle and the process of this feed mechanism are as follows.
Put into the fin process: first lay down the screw of mounting plate 9, start like this installing plate 9, whole spline bevel gear 6, bevel gear 7 and power transmission shaft 2 can be started as center of circle integral body rotates up take splined shaft 5 with mount pad 8; Fin is positioned on retainer plate 3, covers installing plate 9, then be screwed; Then unscrew trip bolt 84, whole Bevel Gear Transmission part when sliding into correct position, then is tightened trip bolt 84 with mount pad 8 and with bar hole 92 slippages on the relative installing plate of trip bolt 84, and whole Bevel Gear Transmission partly is fixed.When the height of the gap between power transmission shaft 2 and retainer plate 3 and fin 4 does not mate, can regulate, during adjusting, first unscrew the screw 132 of fastening back-up block 13 and bearing 12, mounting hole slippage Shang Xia 131 on the screw 132 relative back-up blocks of energy, then turn and adjust screw 135, according to the screw thread transmission principle, adjustment block 133 is relatively adjusted screw 135 and is moved up or down, namely drive the relative base 11 of left and right sides back-up block 13 and move up and down, be fixed on the fin 4 that installing plate 9 upper-lower positions on back-up block 13 change to adapt to differing heights.
feeding process: motor 10 drives splined shaft 5 rotations, two spline bevel gears 6 that splined shaft 5 drives on it are rotated together, further drive two bevel gears, 7 rotations of meshing respectively with two spline bevel gears 6, two bevel gear 7 drives power transmission shaft 2 rotations separately, by the worm tooth 21 on power transmission shaft 2 and 41 engagements of the pitch tooth on fin 4, power transmission shaft 2 can be considered a worm screw, and fin 4 can be considered the infinitely-great worm gear of radius, rotation by worm tooth 21 after intermeshing promotes fin 4 translation forward, the distance of a pitch of every rotation one circle fin 4 translations of power transmission shaft 2, this push structure directly promotes fin and moves, we can pass through the accurate control of the anglec of rotation of 10 pairs of power transmission shafts 2 of servomotor in addition, be convenient to the movement of fin 4 is accurately controlled.
Claims (9)
1. high accuracy fin propulsive mechanism, it is characterized in that: comprise support (1), be fixed with the retainer plate (3) for supporting fin (4) on support (1), described retainer plate (3) overhung has at least one can be around the power transmission shaft (2) of self axis rotation, this power transmission shaft (2) axially consistent with the moving direction of fin (4), the gap of passing for fin (2) is arranged between power transmission shaft (2) and retainer plate (3), form on the periphery wall of described power transmission shaft (2) in order to fin on pitch tooth section (41) to the engagement worm tooth (21), the rotation of power transmission shaft (2), mobile with pitch tooth section (41) the transmission engagement drive fin (4) on fin by the worm tooth on power transmission shaft (21), described support (1) is provided with and drives power transmission shaft (2) around the drives structure of self axis rotation.
2. high accuracy fin propulsive mechanism according to claim 1, it is characterized in that: described power transmission shaft (2) has two.
3. high accuracy fin propulsive mechanism according to claim 1 and 2, it is characterized in that: described drives structure comprises splined shaft (5), spline bevel gear (6), bevel gear (7), axially axially mutual vertical with power transmission shaft (2) of described splined shaft (5), splined shaft (5) is positioned at the top of retainer plate (3) and by motor (10) driven rotary, described spline bevel gear (6) is sleeved on splined shaft (5) upward and can rotates with splined shaft (5), described bevel gear (7) is arranged on the rear end of power transmission shaft (2) and can rotates with power transmission shaft (2), the transmission engagement mutually of described spline bevel gear (6) and bevel gear (7).
4. high accuracy fin propulsive mechanism according to claim 3, it is characterized in that: be provided with L-shaped mount pad (8) above described support (1), the vertical wall (81) of this mount pad (8) is movably set in splined shaft (5), the horizontal wall (82) of mount pad (8) is hung and is established the below that is fixed on installing plate (9), described installing plate (9) is fixed on by screw (91) top that retainer plate (3) were gone up and be positioned to support (1), described spline bevel gear (6) is arranged on the vertical wall (81) of mount pad by bearing, described power transmission shaft (2) is arranged on the horizontal wall (82) of mount pad by bearing.
5. high accuracy fin propulsive mechanism according to claim 4, it is characterized in that: have bar hole (92) on described installing plate (9), have one or more threaded connection holes (83) on described mount pad (8), be connected with described threaded connection hole (83) after having trip bolt (84) to pass bar hole (92), described trip bolt (84) can be along bar hole (92) left and right slippage.
6. high accuracy fin propulsive mechanism according to claim 4, it is characterized in that: described support (1) comprises base (11), two bearings (12) and two back-up blocks (13), the below of described retainer plate (3) relies on four support columns (31) to be fixed on base (11), described two bearings (12) vertically are fixed on the left and right sides of base (11), two back-up blocks (13) are L-shaped, have two vertical mounting holes (131) that arrange on the horizontal wall of each back-up block (13), be threaded and back-up block (13) is fixed on base (11) with corresponding bearing (12) after having screw (132) to pass mounting hole (131), the bottom of described each back-up block (13) is fixed with adjustment block (133), have tapped through hole (134) on regulating block (133), tapped through hole (134) internal thread is connected with adjusts screw (135), adjust the lower end abutment of screw (135) on base (11), the two ends of described splined shaft (5) are arranged on described back-up block (13) by bearing, described installing plate (9) is fixed on the upper surface of described back-up block (13).
7. high accuracy fin propulsive mechanism according to claim 6, it is characterized in that: be supported with diversion column (14) between described two bearings (12), this diversion column (14) is positioned at the top of retainer plate (3), the upper clamping of diversion column (14) has two chucks (15), each chuck (15) can be clamped on diversion column (14) by lock-screw (151) locking, the below of described each chuck (15) respectively is provided with deflector (16), the length direction of this deflector (16) is consistent with fin (4) moving direction and contact that with fin (4) left and right sides fin (4) is carried out mobile guide.
8. high accuracy fin propulsive mechanism according to claim 6, it is characterized in that: described motor (10) is fixed therein on the back-up block (13) of a side, driving pulley (17) is installed on the output shaft of motor (10), the end of described splined shaft (5) is equipped with driven pulley (18), is in transmission connection by Timing Belt (19) between driving pulley (17) and driven pulley (18).
9. high accuracy fin propulsive mechanism according to claim 8, it is characterized in that: described motor (10) is servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310046908.1A CN103111539B (en) | 2013-02-06 | 2013-02-06 | High-precision fin feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310046908.1A CN103111539B (en) | 2013-02-06 | 2013-02-06 | High-precision fin feeding mechanism |
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| Publication Number | Publication Date |
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| CN103111539A true CN103111539A (en) | 2013-05-22 |
| CN103111539B CN103111539B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310046908.1A Active CN103111539B (en) | 2013-02-06 | 2013-02-06 | High-precision fin feeding mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434245A (en) * | 2019-08-23 | 2019-11-12 | 浙江祥博散热系统有限公司 | A kind of new-energy automobile heat radiator fin automatic moulding production line |
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| CN201455137U (en) * | 2009-07-28 | 2010-05-12 | 天津市工具研究所有限公司 | Forming device of high-speed aluminium fin rolling belt machine |
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| WO2011055448A1 (en) * | 2009-11-06 | 2011-05-12 | 日高精機株式会社 | Metal strip feeding device and heat exchanger fin manufacturing device |
| CN202255878U (en) * | 2011-05-05 | 2012-05-30 | 洛阳Lyc轴承有限公司 | Work power apparatus used by oversize rotating disk bearing performance testing machine |
| CN202387872U (en) * | 2011-12-28 | 2012-08-22 | 宁波荣智自动化科技有限公司 | High-precision reciprocating feeding mechanism |
| CN203184479U (en) * | 2013-02-06 | 2013-09-11 | 宁波荣智自动化科技有限公司 | High-precision fin feed mechanism |
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2013
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060031269A (en) * | 2004-10-08 | 2006-04-12 | 주식회사 동성기연 | Tube supply unit using radiator assembly system |
| CN201455137U (en) * | 2009-07-28 | 2010-05-12 | 天津市工具研究所有限公司 | Forming device of high-speed aluminium fin rolling belt machine |
| WO2011055448A1 (en) * | 2009-11-06 | 2011-05-12 | 日高精機株式会社 | Metal strip feeding device and heat exchanger fin manufacturing device |
| CN201609915U (en) * | 2009-11-24 | 2010-10-20 | 天津市工具研究所有限公司 | Counting control device for on-line cutting length of molded wavy tape |
| CN202255878U (en) * | 2011-05-05 | 2012-05-30 | 洛阳Lyc轴承有限公司 | Work power apparatus used by oversize rotating disk bearing performance testing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110434245A (en) * | 2019-08-23 | 2019-11-12 | 浙江祥博散热系统有限公司 | A kind of new-energy automobile heat radiator fin automatic moulding production line |
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| CN103111539B (en) | 2014-12-31 |
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