CN2266466Y - Improved riddler - Google Patents
Improved riddler Download PDFInfo
- Publication number
- CN2266466Y CN2266466Y CN 96201463 CN96201463U CN2266466Y CN 2266466 Y CN2266466 Y CN 2266466Y CN 96201463 CN96201463 CN 96201463 CN 96201463 U CN96201463 U CN 96201463U CN 2266466 Y CN2266466 Y CN 2266466Y
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- rotating shaft
- bearing
- riddler
- counterweight
- improved
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Abstract
The utility model provides an improved riddler, which is characterized in that rotary axles are a straight core type but not an eccentric body. The rotary axles are respectively provided with a pair of counterweights on the two sides of a support bearing. The inner parts of the counterweights are provided with axle holes with proper diameters to be fixed on a preset circumferential surface. The outer periphery of each axle hole forms an eccentric body. Meanwhile, each pair of counterweights on the two rotary axles are in an inclined corresponding state. When a driving motor drives one rotary axle to backward rotate, the other rotary axle synchronously backward rotates in an opposite direction and vibrating amplitude is generated by the backward rotation of the four pairs of counterweights to conduct vibrating sieving. The defects of bending deformation or breakage of the rotary axles can be prevented. Meanwhile, the service lives of the rotary axles and the relevant components can be prolonged.
Description
The utility model relates to a kind of improved riddler machine.
Riddler machine (VIBEATING SCREENS) is a kind of of outbalance in the screening installation, general riddler machine, and no matter single shaft or twin shaft, it mainly utilizes the eccentric shaft rotating manner to produce centrifugal vibrations, to reach the purpose of screening.
As shown in Figure 1, traditional riddler machine 12 is to be installed in screen cloth support body 11 tops, and one eccentric shaft 13 is to protrude out in the body side, and by adorning a belt pulley 14, drive eccentric shaft 13 rotations by a drive motor 15, make screen cloth support body 11 produce vibrations, to reach the granularity of the required article of screening.Figure 2 shows that traditional riddler machine 12 adopt double-eccentric shafts 13 and 13 ' situation, the eccentric shaft 13 that drives by belt pulley 14 utilize gear 131 and another eccentric shaft 13 on its axis body ' on gear 131 ' be meshed, and then make this eccentric shaft 13 and 13 ' opposite spin synchronously, to reach the purpose of centrifugal vibrations.
There is following shortcoming in use in above-mentioned existing riddler machine:
1. shown in Fig. 2,3, existing riddler machine 12 all is to shake screening, be only applicable to small-sized machine by eccentric shaft 13,13 ' rotation; Surpass 210cm and during turn up 1000～1050RPM as eccentric length, this eccentric shaft 13,13 ' middle body centrifugal action power when rotating at a high speed greatly forms flexural deformation state as shown in Figure 3; Make two side bearings 16 produce lateral pressure or deflection function power, thereby shortened the service life of bearing 16; And be out of shape serious eccentric shaft 13,13 ' can cause fracture.
2. this eccentric shaft 13,13 ' one-body molded because of being whole processing, it is oversize because of length in the turnning and milling process, and is eccentric state processing, thus very waste time and energy, and cost is high.The more important thing is, when eccentric length surpasses 210cm, very easily flexural deformation under the eccentric rotation of high speed, and promptly can't restore to the original state and the whole eccentric shaft of essential replacing after its distortion, and the eccentric shaft that upgrades still can produce flexural deformation; So there is not large-scale riddler machine (more than the 210cm) to succeed in developing at present both at home and abroad yet.
3. the safety head 17 of existing riddler machine 12 both sides is a plane formula, and therefore heat radiation is difficult for; In addition, the belt pulley 14 of existing riddler machine 12 is to utilize key to fix, and is higher to the making and the matching requirements of keyway and key; Also have, if existing riddler machine is damage of bearings, then must the repair welding bearing block, and then bore a hole again, so not only easily cause material variation after the secondary operations, and the processing charges costliness of boring a hole.
Main purpose of the present utility model is to provide a kind of improved riddler machine, can guarantee that rotating shaft do not have the anxiety of flexural deformation or fracture, and can increase the service life of rotating shaft and correlated parts.
A purpose more of the present utility model is to provide a kind of improved riddler machine, and its rotating shaft is easy to process, and counterweight can increase and decrease on demand, with the amplitude demand that is applicable to that various industries are different.
Another purpose of the present utility model is to provide a kind of improved riddler machine, but quick heat radiating; Improve the whole machine life-span.
Another purpose of the present utility model is to provide a kind of improved riddler machine, can make assembling and maintenance more convenient.
Another purpose of the present utility model is to provide a kind of improved riddler machine, its be utilize a particular design bearing block for the bearing location that bolster changes, can make and change conveniently, and repair welding and boring a hole once more can reduce maintenance cost.
The improved riddler machine of the utility model comprises:
One screen cloth support body, its dual-side is bearing on some springs, makes it apart from the some height in ground;
One riddler machine body, its side utilize plate body to be locked on the screen cloth support body, and its dual-side is provided with two and is to tilt corresponding seat hole, and this hole peripheral is provided with some screws, and the side periphery also is provided with the screw of right quantity;
Two rotating shafts are to be approximately that 45 degree tilt and parallel shelf is located in the riddler machine body, and its two supports is on bearing and convexedly stretch in outside the hole, and wherein its end of a rotating shaft is slightly long;
Two safety heads are to be locked on the side of riddler machine body, tilt to be provided with two axis holes at its lateral surface with respect to the seat hole site;
A pair of gear is to be separately fixed in two rotating shafts, and is meshing with each other;
One belt pulley is to be connected in a wherein rotating shaft to protrude out end outside the safety head axis hole, is driven by a CD-ROM drive motor through belt; And
Some safety head bearing blocks are the axis hole outside that is locked in safety head respectively;
The improved riddler machine of the utility model is because rotating shaft is straight core type but not eccentric body, and its two ends make into the periphery that the multiple tracks diameter outwards successively decreases in regular turn slightly, and making on each periphery can sheathed in regular turn associated components; In addition, this rotating shaft is respectively equipped with a pair of counterweight at the dual-side of each block bearing; Be provided with the axis hole of suitable diameter in this counterweight, can be fixed on the predetermined periphery, and its axis hole periphery forms eccentric body; And the every pair of counterweight system in two rotating shafts is corresponding states in opposite directions, and the belt system that rotates in order to drive pulley sets with the incline direction of two rotating shafts; And this CD-ROM drive motor system is fixed on one and is skewed and can adjusts automatically on the plate body of deviation angle with amplitude; Therefore, when CD-ROM drive motor drove its two rotating shafts revolution, another rotating shaft is revolution in the other direction synchronously, and by four pairs of counterweight revolution generation amplitudes on it, to carry out riddler, can guarantee that rotating shaft do not have the anxiety of flexural deformation or fracture, and can improve the service life of rotating shaft and correlated parts.
Introduce preferred embodiment of the present utility model below in conjunction with accompanying drawing, in the hope of more specifically understanding structure of the present utility model, characteristics and advantage.
Simple declaration to accompanying drawing:
Fig. 1 is the outside drawing of existing riddler machine.
Fig. 2 is the cutaway view of existing riddler machine.
Fig. 3 is the eccentric shaft schematic diagram of existing riddler machine.
Fig. 4 is an embodiment schematic diagram of the present utility model.
Fig. 5 (A) is an embodiment cutaway view of the present utility model.
Fig. 5 (B) is the local amplification view of Fig. 5 (A).
Fig. 6 is a main structure exploded perspective view of the present utility model.
Fig. 7 is a vibrations schematic diagram of the present utility model.
Fig. 8 is the amplitude schematic diagram that the utility model riddler machine forms.
Fig. 9 is another amplitude schematic diagram that the utility model riddler machine forms.
Shown in Fig. 4,5,6, the improved riddler machine of the utility model mainly comprises:
One screen cloth support body 2, its dual-side are bearing on some springs 21, make it apart from the ground certain altitude;
One riddler machine body 3, its side utilize plate body 31 to be locked on the screen cloth support body 2, and its dual-side 30 is provided with two and is to tilt corresponding seat hole 32, and these hole 32 peripheries are provided with some screws 321 again, and side 30 peripheries also are provided with suitable screw 301;
Two rotating shaft 4A, 4B, 45 degree tilt and parallel shelf is located in the riddler machine body 3 in order to be approximately, and its two ends also convexedly stretch in outside the hole 32, and wherein its end 40 of a rotating shaft 4A is slightly long;
Two safety heads 5 are to be locked on the side 30 of riddler machine body 3, are provided with two axis holes 51,52 at its lateral surface with respect to seat hole 32 inclined position;
A pair of gear 6A, 6B are to utilize key 61 to be separately fixed on two rotating shaft 4A, the 4B, and are meshing with each other;
One belt pulley 7 is to be connected in the end 40 that a rotating shaft 4A wherein protrudes out outside safety head 5 axis holes 51 to be driven by a CD-ROM drive motor 72 through belt 71;
Some safety head bearing blocks 8 are axis hole 52 outsides that are locked in safety head 5 respectively, are arranged with bearing 81 in it, use the end 40 of supporting shaft 4A, 4B;
It is characterized in that:
Rotating shaft 4A, 4B are straight core type but not eccentric body, and its two ends make into the periphery 41 that the multiple tracks diameter outwards successively decreases in regular turn slightly, and making on each periphery 41 can sheathed in regular turn associated components; In addition, this rotating shaft 4A, 4B block bearing 42 and 42 ' dual-side be respectively equipped with a pair of counterweight 9A, 9B, be provided with the axis hole 91 of suitable diameter in this counterweight 9A, the 9B, can be fixed on the predetermined periphery 41, and its axis hole 91 peripheries form eccentric body 92; And every pair of counterweight 9A, 9B system on two rotating shaft 4A, the 4B is corresponding states in opposite directions; And in order to the belt 71 of drive pulley 7 is that incline direction with two rotating shaft 4A, 4B sets, and this CD-ROM drive motor 72 is to be fixed on one to be skewed and can to adjust automatically on the plate body 721 of deviation angle with amplitude;
Therefore, when CD-ROM drive motor 72 drives wherein rotating shaft 4A revolution, another rotating shaft 4B i.e. revolution in the other direction synchronously, and by four pairs of counterweight 9A, 9B revolution generation amplitudes of vibration on it, to carry out riddler, can guarantee that rotating shaft do not have the anxiety of flexural deformation or fracture, and can improve the service life of rotating shaft and correlated parts.
In addition, the aforementioned inclination plate body 721 that supplies CD-ROM drive motor 72 to fix, one side root edge system is articulated on the holder 723, and the opposite side root edge then utilizes a spring 724 to be connected with holder 723; Like this, when the riddler machine turned round, this CD-ROM drive motor 72 can be adjusted deviation angle automatically with amplitude, make belt 71 be tension, and did not have the anxiety of get loose or skid (slip).
Fig. 5 A, 5B and shown in Figure 6 for another example, in order to the block bearing 42,42 of supporting shaft 4A, 4B ' be to be set in advance in bearing block 43A, the 43B, and sheathed K bearing holder (housing, cover) 421 in it; And its opposite face of bearing block 43A, 43B is provided with side cut 431, on hole 32 that diaxon bearing 43A, 43B locking is present, and is provided with chase in bearing block 43A, the 43B, is used for by a C type clasp 422 bearing 42 is fixing.Utilize this design, when block bearing 42,42 ' abrasion, can be with bearing block 43A, 43B dismounting and change, and seat hole 32 is not impaired, need not bore a hole again after the repair welding again, it is convenient to change, and can reduce maintenance cost.In addition, rotating shaft 4A, 4B have the elongation of 0.8mm approximately in the time of 70 ℃, for this reason, shown in Fig. 5 A, block bearing 42 is the employing spheric roller bearing, and block bearing 42 ' be the employing cylinder roller bearing so that rotating shaft 4A, when 4B expands with heat and contract with cold, be positioned at cylinder roller bearing 42 ' K bearing holder (housing, cover) 421 can do the displacement of about a 0～0.8mm, prevent block bearing 42,42 ' damage.
And for example shown in Figure 6, be provided with ten several fin 53 in safety head 5 outer peripheral edges, can make temperature acceleration heat radiation in the body, fragile to prevent bearing and part Yin Gaowen, guarantee its service life, reduce fault rate.
For another example shown in Fig. 5 B, belt pulley 7 with tie up to a sheathed shaft coupling 73 between belt pulley 7 internal diameters and the rotating shaft 4A being connected of rotating shaft 4A, only each screw locking on the shaft coupling 73 must be got final product during assembling.
Shown in Fig. 7,8, main feature of the present utility model is that rotating shaft 4A, 4B are straight core type but not eccentric body.Because rotating shaft 4A, 4B itself do not have eccentric weight, therefore can guarantee the anxiety of non-cracking when high speed rotary, and its vibration mode changes by counterweight 9A, 9B and replaces. Counterweight 9A, 9B system is fixed with rotating shaft 4A, 4B by a retainingf key 93, and two rotating shaft 4A, 4B tie up to and be to tilt installing in the riddler machine body 3, so counterweight 9A, 9B also are to tilt symmetry status in opposite directions.When the synchronous opposite direction of rotating shaft 4A, 4B high speed rotary, its last every couple of counterweight 9A, 9B be revolution thereupon also, because this counterweight 9A, 9B itself have eccentric body 92, so once revolution, promptly produce amplitude; Thought is at the amplitude of X-direction, repeal by implication during because of two counterweight 9A, 9B revolution, thus amplitude do not had in X-direction, and in Y direction, can form amplitude trend as shown in Figure 8, so be positioned at the article of screen cloth support body 2, the amplitude that then presents a θ angle is riddler forward, and this θ angle system is according to rotating shaft 4A, 4B sloped position X-axis angle, when the X-axis gradient is adjusted, then this θ angle is also adjusted thereupon, and this θ angle system decides with industry demand, is good with 40～50 ° generally; As shown in Figure 4, the CD-ROM drive motor 72 and the belt 71 that should rotate in order to drive pulley 7 are that the X-direction that is inclination sets, and are the Y direction amplitude so work as riddler machine body 3, and belt 71 does not have lax anxiety.
Amplitude shown in Figure 8 system is linear amplitude, represents eccentric body 92 identical in quality of this counterweight 9A, 9B, so the eccentric body 92 of amplitude counterweight 9A, 9B is identical in quality, so amplitude is linear trend; But when the riddler special article, is linear trend as it to some industry, then easily forms screen cloth obstruction etc. and influences the screen effect.As shown in Figure 9, for the amplitude that makes the riddler machine is parabolical oval trend, the utility model can change the quality of the eccentric body 92 of two counterweight 9A, 9B, and it is of poor quality that it is had, then promptly do not offset fully at the amplitude of X-direction, and remaining amplitude slightly; Therefore, the amplitude trend is parabolical oval trend; Both are of poor quality bigger as it, and then parabolical radian is bigger; Otherwise its both of poor quality littler, and then parabola more levels off to straight line, so the utility model can be according to the characteristic decision counterweight 9A of various industries, the quality of 9B, to obtain best riddler effect.
Its eccentric mass system of counterweight 9A of the present utility model, 9B calculates and gets according to riddler machine gross weight and screening thing weight, and the installation position of this counterweight 9A, 9B must be near bearing 42 places of supporting shaft 4A, 4B, and rotating shaft 4A, 4B central authorities be without any counterweight, so rotating shaft 4A, 4B do not have the anxiety of flexural deformation or fracture when high speed rotary; Forgo in its design existing eccentric shaft 13,13 ' with centrifugal action power concentrate on fully eccentric shaft 13,13 ' middle position; Like this, the utility model has solved problems of the prior art effectively; Even reach 210cm or the large-scale riddler machine more than the 280cm for the eccentric length of rotating shaft 4A, 4B, the utility model also can get a desired effect.
Claims (6)
1. improved riddler machine comprises:
One screen cloth support body, its dual-side is bearing on some springs, makes it apart from the some height in ground;
One riddler machine body, its side utilize plate body to be locked on the screen cloth support body, and its dual-side is provided with two and is to tilt corresponding seat hole, and this hole peripheral is provided with some screws, and the side periphery also is provided with the screw of right quantity;
Two rotating shafts are to be approximately that 45 degree tilt and parallel shelf is located in the riddler machine body, and its two supports is on bearing and convexedly stretch in outside the hole, and wherein its end of a rotating shaft is slightly long;
Two safety heads are to be locked on the side of riddler machine body, tilt to be provided with two axis holes at its lateral surface with respect to the seat hole site;
A pair of gear is to be separately fixed in two rotating shafts, and is meshing with each other;
One belt pulley is to be connected in a wherein rotating shaft to protrude out end outside the safety head axis hole, is driven by a CD-ROM drive motor through belt; And
Some safety head bearing blocks are the axis hole outside that is locked in safety head respectively;
It is characterized in that:
Rotating shaft is straight core type but not eccentric body, and its two ends are provided with the periphery that the multiple tracks diameter outwards successively decreases in regular turn slightly, and making on each periphery can sheathed in regular turn associated components; In addition, this rotating shaft is respectively equipped with a pair of counterweight at the dual-side of each block bearing; Be provided with the axis hole of suitable diameter in this counterweight, can be fixed on the predetermined periphery, and its axis hole periphery forms eccentric body; And the every pair of counterweight system in two rotating shafts is corresponding states in opposite directions, and the belt system that rotates in order to drive pulley sets with the incline direction of two rotating shafts; And this CD-ROM drive motor system is fixed on one and is skewed and can adjusts automatically on the plate body of deviation angle with amplitude; Therefore, when CD-ROM drive motor drove its two rotating shafts revolution, another rotating shaft is revolution in the other direction synchronously, and by four pairs of counterweight revolution generation amplitudes on it, to carry out riddler, can guarantee that rotating shaft do not have the anxiety of flexural deformation or fracture, and can improve the service life of rotating shaft and correlated parts.
2. improved riddler machine as claimed in claim 1 is characterized in that, described counterweight system utilizes retainingf key to be positioned on the periphery of rotating shaft, and is locked in the threaded portion of rotating shaft by a nut and stator, uses counterweight is fixed.
3. improved riddler machine as claimed in claim 1, it is characterized in that, described bearing in order to supporting shaft, system is set in the bearing block in advance, and be arranged with the K bearing holder (housing, cover) in it, and its opposite face of bearing block is provided with side cut, the diaxon bearing is locked on the hole, and be provided with chase in the bearing block, be used for by a C type clasp bearing fixing.
4. improved according to claim 1 riddler machine is characterized in that described safety head is provided with ten several fin in its outer peripheral edges, can make intrinsic high temperature quicken heat radiation, fragile to prevent bearing and part Yin Gaowen, guarantee its service life, reduce fault rate.
5. improved riddler machine as claimed in claim 1 is characterized in that described belt pulley is connected with rotating shaft, ties up to a sheathed shaft coupling between belt pulley internal diameter and the rotating shaft.
6. improved riddler machine as claimed in claim 1 is characterized in that, is provided with bearing in the described safety head bearing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96201463 CN2266466Y (en) | 1996-01-04 | 1996-01-04 | Improved riddler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96201463 CN2266466Y (en) | 1996-01-04 | 1996-01-04 | Improved riddler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2266466Y true CN2266466Y (en) | 1997-11-05 |
Family
ID=33887730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96201463 Expired - Fee Related CN2266466Y (en) | 1996-01-04 | 1996-01-04 | Improved riddler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2266466Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618297A (en) * | 2023-07-26 | 2023-08-22 | 山东佳士博食品有限公司 | Adjustable vibrating screen mechanism in food production process |
-
1996
- 1996-01-04 CN CN 96201463 patent/CN2266466Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618297A (en) * | 2023-07-26 | 2023-08-22 | 山东佳士博食品有限公司 | Adjustable vibrating screen mechanism in food production process |
| CN116618297B (en) * | 2023-07-26 | 2023-09-29 | 山东佳士博食品有限公司 | Adjustable vibrating screen mechanism in food production process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |