CN102989370B - A kind of double group type shaft coupling rolling device for dry granulating machine - Google Patents

A kind of double group type shaft coupling rolling device for dry granulating machine Download PDF

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CN102989370B
CN102989370B CN201210534177.0A CN201210534177A CN102989370B CN 102989370 B CN102989370 B CN 102989370B CN 201210534177 A CN201210534177 A CN 201210534177A CN 102989370 B CN102989370 B CN 102989370B
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roll
coupler
word pattern
shaft coupling
groove
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CN102989370A (en
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张海良
张弘弢
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Beijing xinlongli automation equipment Co., Ltd
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Beijing Gylongli Automation Tech Co Ltd
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Abstract

The shaft coupling of the double group type shaft coupling rolling device in the present invention comprises two half a couplers, and two bottom surfaces that two half a couplers are relative are respectively arranged with yi word pattern groove and yi word pattern boss, and yi word pattern boss is nested to be arranged in yi word pattern groove; Two output shafts drive two synchronized reverse rotations of fixing half a coupler, and during place, the center of circle straight line parallel of the yi word pattern groove of one of them shaft coupling and two rolls, place, the center of circle straight line of the yi word pattern groove of another shaft coupling and two rolls is perpendicular.Shaft coupling in the present invention, owing to not arranging floating slide block, also just avoids and causes centrifugal force comparatively large because of the skew of slide block, make half a coupler and slide block junction that the problem of wearing and tearing occur.And in shaft coupling in the present invention and prior art one group rigid coupling device is set, one group arranges floating hitch bar and compares, and effectively reduces the amplitude that jumps of end-float coupling, thus ensure that roll can stable operation.

Description

A kind of double group type shaft coupling rolling device for dry granulating machine
Technical field
The invention belongs to powder former field, be specifically related to a kind of double group type shaft coupling rolling device for dry granulating machine.
Background technology
Dry granulation directly carries out compression forming to material powder by mechanical presses, then carry out a kind of granulating process of fragmentation, granulation, and compared with wet granulation, dry granulation process eliminates humidification and drying process, saved a large amount of electric energy.Dry granulating machine is the industrial department such as pharmacy, powder metallurgy, the former powder pressing of various low bulk densities is become the basic equipment of high bulk density particle.
Dry granulation is the compression forming being realized raw material by rolling device, rolling device comprises actuating unit and the two roll be arranged in parallel and output shaft, wherein roll is connected with actuating unit by output shaft, by output shaft the moment of torsion of actuating unit be sent to roll thus realize the rolling of roll, and the raw material between feeding two rolls is extruded.Due in the running of granulator; the material quantity sent between two rolls is difficult to keep constant from start to finish usually; when the amount sending into raw material sometime increases suddenly; if roll is connected with actuating unit by rigidity output shaft; the extruding force that then too much roll can be caused to be subject in operation process because of the material quantity entered is excessive; cause roll to be stuck, cannot run well.
Therefore, in order to the phenomenon preventing above-mentioned roll to be stuck, rolling device of the prior art is all provided with shaft coupling usually, as Chinese patent literature CN201095194Y discloses a kind of two main shaft drives two sections of rolling surface roll squeezers, this roll squeezer is provided with gear-box, the output shaft that gear-box has an input and two constant speed to reversely rotate, one end key that shaft coupling finely tuned in an output shaft of gear-box and syllogic cross connects together, the other end of syllogic cross fine setting shaft coupling and motionless pressure roller shaft are built key and are connected together, the stage casing of this shaft coupling is mould nest centering micromatic setting, another output shaft of gear-box is together with one end binding of syllogic cross end-float coupling, the other end of syllogic cross end-float coupling is together with floating roll mandrel binding, the bearing block that can slide along track is equipped with at the two ends of floating roll mandrel, thrust hydraulic cylinder is housed between this bearing block and frame, and feeding device is equipped with in the top of motionless roll and floating roll.The syllogic cross fine setting shaft coupling that one of them output of this shaft coupling is arranged is positive coupling, when connected roll and output shaft occur eccentric, corrects by fine setting; The roll be connected with its key is motionless roll, another roll be connected with syllogic cross end-float coupling is the roll that floats, pressure due to described thrust hydraulic cylinder is constant substantially, when running into putty or larger hard material, the pressure of motionless roll and floating roll shop building is greater than the thrust of hydraulic cylinder, force floating roll to be opened outward, when feeding recovers normally, floating roll resets under the effect of hydraulic cylinder again.
Above-mentioned rolling device, by arranging described syllogic cross end-float coupling, can compensate the displacement of certain radial direction, angle and axis.But, above-mentioned rolling device still Problems existing is, the intermediate slider of above-mentioned syllogic cross end-float coupling is in floating state, easily to offset, and the skew of intermediate slider can make it produce larger centrifugal force thus make dynamic loading increase, after Long-Time Service, easily wear and tear in the junction of two half a couplers and slide block, and then cause the galloping of roll, especially in the above prior art, because one of them roll is connected with output by positive coupling, do not possess compensating action, so operating floating compensation relies on described syllogic cross end-float coupling to carry out with regard to all needing, thus cause the amplitude that jumps of intermediate slider very large, and then more make the galloping of roll, the final uniformity affecting product particle density.
Summary of the invention
The technical problem that the present invention solves is the intermediate slider of the syllogic cross end-float coupling that rolling device of the prior art adopts is be in floating state, easily there is jumping of certain amplitude in the intermediate slider floated in the running, and intermediate slider can produce larger centrifugal force thus make its dynamic loading increase in the running, after Long-Time Service, easily wear and tear in the junction of two half a couplers and slide block, thus cause the galloping of driven axle, affect the problem of the uniformity of product particle bulk density, and then a kind of stable double group type hitch bar for dry granulating machine is provided.
The technical scheme of the double group type hitch bar for dry granulating machine of the present invention is:
For a double group type hitch bar for dry granulating machine, comprising:
Transmission mechanism, described transmission mechanism is provided with two parallel and output shafts in relative rotation;
Rolling device, comprises two difference substantially coaxial with each output shaft and by the shaft-driven roll of described output, be provided with roll gap between described two rolls;
Bias voltage resetting means, applies reset biasing force to described rolling device;
Two shaft couplings, described two shaft couplings are respectively used to connect output shaft and by the shaft-driven roll of described output;
Each described shaft coupling comprises two columniform half a couplers, described two half a couplers are fixedly connected with roll with output shaft respectively, two bottom surfaces that described two half a couplers are relative are respectively arranged with yi word pattern groove and yi word pattern boss, and the sidewall that wherein said yi word pattern groove runs through the half a coupler at place is arranged; Described yi word pattern boss is nested to be arranged in described yi word pattern groove;
Described two output shafts drive described two synchronized reverse rotations of fixing half a coupler, during place, the center of circle straight line parallel of the yi word pattern groove of one of them shaft coupling and two rolls, place, the center of circle straight line of the yi word pattern groove of another shaft coupling and two rolls is perpendicular.
Described transmission mechanism is also provided with driving gear and driven gear, and described driving gear and driven gear are coaxially arranged with two output shafts respectively, and the nested periphery being fixed on described two output shafts, described driving gear and described driven gear are meshed.
The described half a coupler be fixedly connected with described roll is provided with cylindrical groove towards the side of described roll, described cylindrical groove and described half a coupler are coaxially arranged, at described roll, the side of described half a coupler is provided with cylindrical protrusions, the external diameter of described cylindrical protrusions and the diameter compatible of described cylindrical groove close, and are nestedly arranged in described cylindrical groove;
Be fixedly installed transmission pivot pin at described half a coupler towards the side of described roll, described transmission pivot pin eccentric setting on the side of described half a coupler, described cylindrical protrusions is provided with the pin-and-hole supporting with described transmission pivot pin.
Described roll is provided with the draw-in groove of cuboid towards the side of described half a coupler, the opening of described draw-in groove is square and coaxially arranges with described roll, be nested with at described draw-in groove and be provided with contiguous block, described cylindrical protrusions is coaxially fixedly connected with described contiguous block, and the diameter of described cylindrical protrusions equals the described foursquare length of side.
The center of described cylindrical groove is provided with the first screwed hole, the center running through described cylindrical protrusions, contiguous block and described roll is provided with through hole, and described roll is fixedly connected with the first bolt of described first screwed hole by running through described through hole with described half a coupler.
The half a coupler that at least one is connected with described output shaft is provided with waist-shaped hole, and two bottom surfaces that described waist-shaped hole runs through the half a coupler at place are arranged;
The output shaft be connected with the half a coupler being provided with waist-shaped hole is provided with the second screwed hole;
Also be provided with the second bolt with described second screwed hole adaptation, described half a coupler is fixedly connected with described output shaft by described second bolt.
The number of degrees of the central angle that two centers of circle of described waist-shaped hole and the center of circle of described half a coupler are formed are the twice of angle of circumference divided by the described driven gear number of teeth.
Described waist-shaped hole has multiple, and the center of circle of described multiple waist-shaped hole is positioned at circumferentially same.
At the external peripheral surface of described roll and the axis along described roll is provided with bar-shaped trough.
The advantage of the double group type hitch bar for dry granulating machine of the present invention is:
(1) the double group type shaft coupling rolling device for dry granulating machine of the present invention, shaft coupling for connecting output shaft and roll comprises two half a couplers, two bottom surfaces that described two half a couplers are relative are respectively arranged with yi word pattern groove and yi word pattern boss, and described yi word pattern boss is nested to be arranged in described yi word pattern groove; Described two output shafts drive described two synchronized reverse rotations of fixing half a coupler, during place, the center of circle straight line parallel of the yi word pattern groove of one of them shaft coupling and two rolls, place, the center of circle straight line of the yi word pattern groove of another shaft coupling and two rolls is perpendicular.
Shaft coupling in double group type shaft coupling rolling device in the present invention, compared with traditional shaft coupling, owing to not arranging floating slide block, also just avoid and cause centrifugal force comparatively large because of the skew of slide block, and then make the junction of half a coupler and slide block that the problem of wearing and tearing occur.And in the present invention, to use in shaft coupling and prior art one group rigid coupling device is set, one group arranges floating hitch bar and compares, and effectively reduces the amplitude that jumps of end-float coupling, thus ensure that roll can stable operation.
(2) the double group type shaft coupling rolling device for dry granulating machine of the present invention, described transmission mechanism is also provided with driving gear and driven gear, described driving gear and driven gear are coaxially arranged with two output shafts respectively, the nested periphery being fixed on described two output shafts, described driving gear and described driven gear are meshed, the present invention is by arranging described driving gear and driven gear, when actual motion, power source drives driving gear to rotate, the running of driven gear is realized again by the engagement of driving gear and driven gear, thus make the two realize synchronized reverse rotation.
(3) the double group type hitch bar for dry granulating machine of the present invention, at least one fixing half a coupler is provided with waist-shaped hole, two bottom surfaces that described waist-shaped hole runs through described fixing half a coupler are arranged, also be provided with the bolt with described screwed hole adaptation, described fixing half a coupler is fixedly connected with described output shaft by described bolt, and the output shaft be connected with the fixing half a coupler being provided with waist-shaped hole is provided with screwed hole; Also be provided with the bolt with described screwed hole adaptation, described fixing half a coupler is fixedly connected with described output shaft by described bolt.The object that the present invention arranges described waist-shaped hole and related accessory is after described double group type hitch bar runs a period of time, described two fixing half a couplers easily produce relative rotation, described two fixing half a couplers are caused to misplace, the present invention is by arranging described waist-shaped hole and bolt, can finely tune in a circumferential direction described closed coupling, thus the dislocation between two described closed couplings is corrected.
Accompanying drawing explanation
More being convenient to make technical scheme of the present invention understand, below in conjunction with detailed description of the invention and accompanying drawing, technical solutions according to the invention being further elaborated.
The combining structure schematic diagram of the double group type shaft coupling rolling device for dry granulating machine of the present invention as shown in Figure 1;
Be as shown in Figure 2 shaft coupling of the present invention structural representation;
The structure chart of roll of the present invention as shown in Figure 3;
Wherein, Reference numeral is:
1-half a coupler; 21-driving gear; 22-driven gear; 3-roll; 4-output shaft; 5-yi word pattern groove; 6-yi word pattern boss; 7-first screwed hole; 8-through hole; 9-transmission pivot pin; 10-pin-and-hole; 11-cylindrical groove; 12-cylindrical protrusions; 13-contiguous block; 14-second screwed hole; 15-waist-shaped hole.
Detailed description of the invention
embodiment 1
Double group type shaft coupling rolling device described in the present embodiment comprises:
Transmission mechanism, described transmission mechanism is provided with two parallel output shafts 4, driving gear 21 and driven gears 22, described driving gear 21 and driven gear 22 are coaxially arranged with two output shafts 4 respectively, the nested periphery being fixed on described two output shafts 4, described driving gear 21 and described driven gear 22 are meshed, and the nested output shaft 4 being provided with driving gear 21 is connected with motor;
Rolling device, comprises substantially coaxial with each output shaft 4 and roll 3 that is that driven by described output shaft 4 of two difference, is provided with roll gap between described two rolls 3;
Described double group type shaft coupling rolling device also comprises:
Two shaft couplings, described two shaft couplings are respectively used to the roll connecting output shaft 4 and driven by described output shaft 4;
Each described shaft coupling comprises two columniform half a couplers 1, described two half a couplers 1 are fixedly connected with roll with output shaft respectively, two bottom surfaces that described two half a couplers 1 are relative are respectively arranged with yi word pattern groove and yi word pattern boss, and the sidewall that wherein said yi word pattern groove runs through the half a coupler 1 at place is arranged; Described yi word pattern boss 6 is nested to be arranged in described yi word pattern groove 5; The half a coupler 1 be fixedly connected with described output shaft in the present embodiment is provided with yi word pattern groove, the half a coupler 1 be fixedly connected with described roll is provided with yi word pattern boss.
Described two output shafts 4 drive the synchronized reverse rotation of described two fixing half a couplers 1, during place, the center of circle straight line parallel of the yi word pattern groove 5 of one of them shaft coupling 1 and two rolls 3, the yi word pattern groove 5 of another shaft coupling 1 and place, the center of circle straight line of two rolls 3 perpendicular.
The course of work of the double group type shaft coupling rolling device described in the present embodiment is:
Under the drive of motor, the nested output shaft 4 being provided with driving gear 21 rotates, and drives the driven gear 22 engaged with it to carry out synchronized reverse rotation, thus makes two output shafts 4 carry out synchronized reverse rotation;
Moment of torsion is passed to roll 3 by fixing half a coupler 1 and interlock half a coupler 2 by described output shaft 4, thus drives roll 3 to carry out synchronized reverse rotation.
embodiment 2
Double group type shaft coupling rolling device described in the present embodiment as shown in Figure 1, comprising:
Transmission mechanism, described transmission mechanism is provided with two parallel output shafts 4, driving gear 21 and driven gears 22, described driving gear 21 and driven gear 22 are coaxially arranged with two output shafts 4 respectively, the nested periphery being fixed on described two output shafts 4, described driving gear 21 and described driven gear 22 are meshed, and the nested output shaft 4 being provided with driving gear 21 is connected with motor;
Rolling device, comprises substantially coaxial with each output shaft 4 and roll 3 that is that driven by described output shaft 4 of two difference, is provided with roll gap between described two rolls 3; On the surface of described roll 3 and the axis along described roll is provided with bar-shaped trough.
Described double group type shaft coupling rolling device also comprises:
Two shaft couplings, described two shaft couplings are respectively used to the roll connecting output shaft 4 and driven by described output shaft 4;
Each described shaft coupling comprises two columniform half a couplers 1, described two half a couplers 1 are fixedly connected with roll with output shaft respectively, two bottom surfaces that described two half a couplers 1 are relative are respectively arranged with yi word pattern groove and yi word pattern boss, and the sidewall that wherein said yi word pattern groove runs through the half a coupler 1 at place is arranged; Described yi word pattern boss 6 is nested to be arranged in described yi word pattern groove 5; The half a coupler 1 be fixedly connected with described output shaft in the present embodiment is provided with yi word pattern groove, the half a coupler 1 be fixedly connected with described roll is provided with yi word pattern boss.
Described two output shafts 4 drive the synchronized reverse rotation of described two fixing half a couplers 1, during place, the center of circle straight line parallel of the yi word pattern groove 5 of one of them shaft coupling 1 and two rolls 3, the yi word pattern groove 5 of another shaft coupling 1 and place, the center of circle straight line of two rolls 3 perpendicular.
The described half a coupler 1 be fixedly connected with described roll in the present embodiment is provided with cylindrical groove 11 towards the side of described roll 3, as shown in Figures 2 and 3, described cylindrical groove 11 is coaxially arranged with described half a coupler 1, at described roll, the side of described half a coupler 1 is provided with cylindrical protrusions 12, the external diameter of described cylindrical protrusions 12 and the diameter compatible of described cylindrical groove 11 close, and are nestedly arranged in described cylindrical groove 11; Described roll in the present embodiment is also provided with the draw-in groove of cuboid towards the side of described half a coupler 1, the opening of described draw-in groove is square and coaxially arranges with described roll, be nested with at described draw-in groove and be provided with contiguous block 13, described cylindrical protrusions 12 is coaxially fixedly connected with described contiguous block 13, and the diameter of described cylindrical protrusions 12 equals the described foursquare length of side.
Be fixedly installed transmission pivot pin 9 at described cylindrical groove 11 towards the side of described roll 3, described transmission pivot pin 9 eccentric setting on the side of described half a coupler 1, described cylindrical protrusions 12 is provided with the pin-and-hole 10 supporting with described transmission pivot pin 9.
The first screwed hole 7 is provided with at the center of described cylindrical groove, the center running through described cylindrical protrusions 12, contiguous block 13 and described roll is provided with through hole 8, and described roll is fixedly connected with the bolt of described first screwed hole 7 by running through described through hole 8 with described half a coupler 1.
The present embodiment is provided with 5 waist-shaped holes 15 on the half a coupler 1 be connected with described output shaft, and the described center of circle of described 5 waist-shaped holes 15 is positioned at circumferentially same; Two bottom surfaces that described waist-shaped hole 15 runs through described fixing half a coupler 1 are arranged; The number of degrees of the central angle that two centers of circle of described waist-shaped hole 15 and the center of circle of described fixing half a coupler 1 are formed are the twice of angle of circumference divided by described driven gear 22 number of teeth;
The output shaft be connected with the half a coupler 1 being provided with waist-shaped hole is provided with the second screwed hole 14;
Also be provided with the bolt with described second screwed hole 14 adaptation, described half a coupler 1 is fixedly connected with described output shaft by described bolt.
The course of work of the double group type shaft coupling rolling device described in the present embodiment is:
Under the drive of motor, the nested output shaft 4 being provided with driving gear 21 rotates, and drives and engage driven gear 22 with it and carry out synchronized reverse rotation, thus makes two output shafts 4 carry out synchronized reverse rotation;
Moment of torsion is passed to roll 3 by fixing half a coupler 1 and interlock half a coupler 2 by described output shaft 4, thus drives roll 3 to carry out synchronized reverse rotation.
When dislocation occurs because of long time running described shaft coupling, described bolt can be unloaded, the half a coupler be connected with output shaft is along the circumferential direction adjusted, after being adjusted to tram, more fixing upper with described bolt.
It should be noted that, the rotation direction of the output shaft 4 of granulator described in the present invention should be suitable for roll 3 and be brought in roll gap by raw material and roll.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.

Claims (7)

1., for a double group type hitch bar for dry granulating machine, comprising:
Transmission mechanism, described transmission mechanism is provided with two parallel and output shafts (4) in relative rotation;
Rolling device, comprises substantially coaxial with each output shaft (4) and the roll (3) that is that driven by described output shaft (4) of two difference, is provided with roll gap between described two rolls (3);
Bias voltage resetting means, applies reset biasing force to described rolling device;
It is characterized in that, also comprise:
Two shaft couplings, described two shaft couplings are respectively used to the roll (3) connecting output shaft (4) and driven by described output shaft (4);
Each described shaft coupling comprises two columniform half a couplers (1), described two half a couplers (1) are fixedly connected with roll (3) with output shaft (4) respectively, two bottom surfaces that described two half a couplers (1) are relative are respectively arranged with yi word pattern groove (5) and yi word pattern boss (6), and the sidewall that wherein said yi word pattern groove (5) runs through the half a coupler (1) at place is arranged; Described yi word pattern boss (6) is nested to be arranged in described yi word pattern groove (5);
The synchronized reverse rotation of two half a couplers (1) that described two output shafts (4) drive is fixedly connected with it, during place, center of circle straight line parallel with two rolls (3) of the yi word pattern groove (5) of one of them shaft coupling, the yi word pattern groove (5) of another shaft coupling is perpendicular with place, the center of circle straight line of two rolls (3);
Described transmission mechanism is also provided with driving gear (21) and driven gear (22), described driving gear (21) and driven gear (22) are coaxially arranged with two output shafts (4) respectively, the nested periphery being fixed on described two output shafts (4), described driving gear (21) and described driven gear (22) are meshed;
The described half a coupler (1) be fixedly connected with described roll is provided with cylindrical groove (11) towards the side of described roll (3), described cylindrical groove (11) and described half a coupler (1) are coaxially arranged, at described roll (3), the side of described half a coupler (1) is provided with cylindrical protrusions (12), the external diameter of described cylindrical protrusions (12) and the diameter compatible of described cylindrical groove (11) close, and are nestedly arranged in described cylindrical groove (11);
Transmission pivot pin (9) is fixedly installed towards the side of described roll (3) at described half a coupler (1), described transmission pivot pin (9) eccentric setting on the side of described half a coupler (1), described cylindrical protrusions (12) is provided with the pin-and-hole (10) supporting with described transmission pivot pin (9).
2. according to the double group type hitch bar for dry granulating machine described in claim 1; it is characterized in that; described roll (3) is provided with the draw-in groove of cuboid towards the side of described half a coupler (1); the opening of described draw-in groove is square and coaxially arranges with described roll (3); be nested with at described draw-in groove and be provided with contiguous block (13); described cylindrical protrusions (12) is coaxially fixedly connected with described contiguous block (13), and the diameter of described cylindrical protrusions (12) equals the described foursquare length of side.
3. the double group type hitch bar for dry granulating machine according to claim 2; it is characterized in that; the center of described cylindrical groove (11) is provided with the first screwed hole (7); the center running through described cylindrical protrusions (12), contiguous block (13) and described roll (3) is provided with through hole (8), and described roll (3) is fixedly connected with the first bolt of described first screwed hole (7) by running through described through hole (8) with described half a coupler (1).
4. the double group type hitch bar for dry granulating machine according to claim 1, it is characterized in that, at least one half a coupler be connected with described output shaft (1) is provided with waist-shaped hole (15), and two bottom surfaces that described waist-shaped hole (15) runs through the half a coupler at place are arranged;
The output shaft (4) be connected with the half a coupler (1) being provided with waist-shaped hole (15) is provided with the second screwed hole (14);
Also be provided with second bolt adaptive with described second screwed hole (14), described half a coupler is fixedly connected with described output shaft (4) by described second bolt.
5. the double group type hitch bar for dry granulating machine according to claim 4; it is characterized in that, the number of degrees of the central angle that two centers of circle of described waist-shaped hole (15) and the center of circle of described half a coupler (1) are formed are the twice of angle of circumference divided by described driven gear (22) number of teeth.
6. according to the double group type hitch bar for dry granulating machine described in claim 4, it is characterized in that, described waist-shaped hole (15) has multiple, and the center of circle of described multiple waist-shaped hole (15) is positioned at circumferentially same.
7. the double group type hitch bar for dry granulating machine according to claim 2, is characterized in that, at the external peripheral surface of described roll (3) and the axis along described roll (3) is provided with bar-shaped trough.
CN201210534177.0A 2012-12-12 2012-12-12 A kind of double group type shaft coupling rolling device for dry granulating machine Active CN102989370B (en)

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CN201095194Y (en) * 2007-05-02 2008-08-06 朱杰 Calender press for double-main-axis drive two-section rolling surface
CN101450298A (en) * 2007-11-29 2009-06-10 陈焕斌 Double-ring modeling pelletizer
CN201671978U (en) * 2010-04-23 2010-12-15 三一重机有限公司 Sliding coupling
CN201878558U (en) * 2010-10-26 2011-06-29 东北农业大学 Double-roll horizontal straw flattening device
CN102588560A (en) * 2011-07-25 2012-07-18 成都利君实业股份有限公司 Reversely synchronous parallel shaft double-output transmission system
CN102797764A (en) * 2012-08-31 2012-11-28 北京航天计量测试技术研究所 Slide block coupling for angle transmission
CN203090867U (en) * 2012-12-12 2013-07-31 北京国药龙立自动化技术有限公司 Double-group type shaft coupling rolling device for dry type granulator

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Publication number Priority date Publication date Assignee Title
CN2155285Y (en) * 1993-06-07 1994-02-09 付国胜 Pocket drilling and grinding machine
CN101761586A (en) * 2008-11-20 2010-06-30 肖荣 Improved power transmission device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201095194Y (en) * 2007-05-02 2008-08-06 朱杰 Calender press for double-main-axis drive two-section rolling surface
CN101450298A (en) * 2007-11-29 2009-06-10 陈焕斌 Double-ring modeling pelletizer
CN201671978U (en) * 2010-04-23 2010-12-15 三一重机有限公司 Sliding coupling
CN201878558U (en) * 2010-10-26 2011-06-29 东北农业大学 Double-roll horizontal straw flattening device
CN102588560A (en) * 2011-07-25 2012-07-18 成都利君实业股份有限公司 Reversely synchronous parallel shaft double-output transmission system
CN102797764A (en) * 2012-08-31 2012-11-28 北京航天计量测试技术研究所 Slide block coupling for angle transmission
CN203090867U (en) * 2012-12-12 2013-07-31 北京国药龙立自动化技术有限公司 Double-group type shaft coupling rolling device for dry type granulator

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