CA2202014C - Method of removing accumulated twine from a shaft of a rotary bale shredder and a rotary bale shredder - Google Patents
Method of removing accumulated twine from a shaft of a rotary bale shredder and a rotary bale shredder Download PDFInfo
- Publication number
- CA2202014C CA2202014C CA 2202014 CA2202014A CA2202014C CA 2202014 C CA2202014 C CA 2202014C CA 2202014 CA2202014 CA 2202014 CA 2202014 A CA2202014 A CA 2202014A CA 2202014 C CA2202014 C CA 2202014C
- Authority
- CA
- Canada
- Prior art keywords
- rotary shaft
- bale
- track
- rotary
- cutting knife
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/005—Cutting apparatus specially adapted for cutting hay, straw or the like for disintegrating and cutting up bales of hay, straw or fodder
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
A method of removing accumulated twine from a rotary shaft of a rotary bale shredder. Firstly, providing a rotary bale shredder having a bale receiving cradle with a rotary shaft positioned in close proximity to the bale receiving cradle. A plurality of cutting blades are mounted on the rotary shaft which shred a bale positioned on the bale receiving cradle. Secondly, providing a track along the exterior surface between the first end and the second end of the rotary shaft. Thirdly, providing a cutting knife that can engage the track. Fourthly, securing a line to the cutting knife and exerting a force upon the line to draw the cutting knife along the track to sever any twine that is wrapped around the rotary shaft.
Description
TITLE OF THE INVENTION:
method of removing accumulated twine from a shaft of a rotary bale shredder and a rotary bale shredder NAME OF INVENTOR:
Kenneth David Rjenner FIELD OF THE INVENTION
The present invention relates to a method of removing accumulated twine from a rotary shaft of a rotary bale shredder and a rotary bale shredder which has been modified in accordance with the teachings of the method.
R~K~7ROUND OF THE INVENTION
Rotary bale shredders are used to distribute round bales.
Such shredders have a cradle which is adapted to receive a round bale. A rotary shaft is positioned in close proximity to the cradle. Mounted on the rotary shaft is a plurality of cutting blades. As the rotary shaft rotates, the cutting blades shred the bale.
Round bales are held together with twine. It is not practical to remove this twine prior to placing a round bale onto the cradle of the rotary bale shredder. The presence of twine does not hinder the function of the rotary bale shredder, as the cutting blades readily cut through the twine. Twine tends to wind around the rotating shaft. Eventually, the accumulation of twine begins to adversely effect the operation of the machine and must, therefore, be removed. The removal of twine accumulated on the rotary shaft has proven to be time - ~ 7 ~ 4 consuming and labour intensive, as the twine must be manually cut from the rotary shaft, strand by strand.
5 8U~ARY OF THE INVENTION
What is required is a less time consuming method of removing accumulated twine from a shaft of a rotary bale shredder.
According one aspect of the present invention there is provided a method of removing accumulated twine from a rotary shaft of a rotary bale shredder. The first step involves providing a rotary bale shredder having a bale receiving cradle with a rotary shaft positioned in close proximity to the bale receiving cradle. The rotary shaft has a first end, a second end, and an exterior surface. A plurality of cutting blades are mounted on the rotary shaft. As the rotary shaft rotates the cutting blades shred a bale positioned on the bale 2 0 receiving cradle. The second step involves providing a track along the exterior surface between the first end and the second end of the rotary shaft. Counterbalancing means are secured to the shaft, as required, to maintain concentric shaft rotation. The third step involves providing a cutting knife 25 with track engaging means. The cutting knife is positioned in the track at the first end of the rotary shaft with the track engaging means engaging the track. The fourth step involves securing a line to the cutting knife and exerting a force upon the line to draw the cutting knife along the track from the first end to the second end of the rotary shaft. This severs any twine that is wrapped around the rotary shaft.
According to another aspect of the present invention there is provided a rotary bale shredder which includes a bale receiving cradle and a rotary shaft positioned in close proximity to the bale receiving cradle. The rotary shaft has a first end, a second end, and an exterior surface. A
~ ~ ~ 2~ ~ ~ 4 plurality of cutting blades are mounted on the rotary shaft.
As the rotary shaft rotates the cutting blades shred a bale positioned on the bale receiving cradle. A cutting knife receiving track extends along the exterior surface between the first end and the second end of the rotary shaft.
Counterbalancing means are secured to the shaft to maintain concentric shaft rotation. The structure, as described, enables a cutting knife with track engaging means to be positioned in the track. The cutting knife can be drawn by a line along the track to sever twine that i9 wrapped around the rotary shaft.
Although beneficial results may be obtained through the use of the rotary bale shredder, as described above, many rotary bale shredders have bale receiving cradles which are confined by walls positioned adjacent the first end and the second end of the rotary shaft. Even more beneficial results may, therefore, be obtained when an opening large enough to accommodate a cutting knife is provided through the wall adjacent to the second end of the rotary shaft.
BRIEF DESCRIPTION OF THE DRAWINGS
These and other features of the invention will become more apparent from the following description in which reference is made to the appended drawings, wherein:
FIGURE 1, labelled as PRIOR ART, is an end elevation view, in section, of a rotary bale shredder.
FIGURE 2 is a perspective view of a rotary shaft of the rotary bale shredder illustrated in FIGURE 1, with a track in accordance with the teachings of the present invention.
FIGURE 3 i5 a side elevation view of a cutting knife with track engaging means.
FIGURE 4 is an end elevation view of the track illustrated in FIGURE 2, with the cutting knife illustrated in FIGURE 3 engaged in the track.
- ~ 7 ~ 1 4 FIGURE S is a side elevation view of the cutting knife illustrated in FIGURE 3 positioned in the track illustrated in FIGURE 2, the cutting knife being positioned in a first position.
FIGURE 6 is a side elevation view of the cutting knife illustrated in FIGURE 3 positioned in the track illustrated in FIGURE 2, the cutting knife being positioned in a second posltlon .
FIGURE 7 is a front elevation view of a portion of a wall of a rotary bale shredder having an opening to allow the passage of a cutting knife.
FIGURE 8 is a side elevation view of the cutting knife illustrated in FIGURE 3 positioned in the track illustrated in FIGURE 2, and being drawn through opening illustrated in FIGURE
6.
DE~TT-~n DESCRIPTION OF THE ~n~r~KK~ EMBODIMENT
The preferred method of removing accumulated twine from a rotary shaft of a rotary bale shredder will now be described with reference to FIGURES 1 through 8.
The first step involves providing a rotary bale shredder.
Referring to FIGURE 1, there is illustrated a rotary bale shredder 10. Rota~y bale shredder 10 has a bale receiving cradle 12. A rotary shaft 14 is positioned in close proximity to bale receiving cradle 12. A plurality of cutting blades 16 are mounted on rotary shaft 14. As rotary shaft 14 rotates cutting blades 16 shred a bale 18 positioned on bale receiving cradle 12.
Referring to FIGURE 2, rotary shaft 14 has a first end 20, a second end 22, and an exterior surface 24. The second step involves securing a track 26 along exterior surface 24 of rotary shaft 14 which extends between first end 20 and second _ 5 - 7 ~
end 22. Beneficial results have been obtained using a generally "C" shaped track 26 with a slotted opening 27 secured by welding to rotary shaft 14. Bars 28 illustrated on either side of track 26 are intended for reinforcement.
Counterbalancing weights 30 may have to be secured to exterior surface 24 of rotary shaft 14 to maintain concentric shaft rotation.
Referring to FIGURE 3, the third step involves providing a cutting knife 32 with track engaging means. Beneficial results have been obtained when the track engaging means are in the form of laterally projecting feet 34. Referring to FIGURE 4, main body of cutting knife 32 is capable of extending through slotted opening 27 of track 26, whereas laterally projecting feet 34 will not and, therefore, serves as track engaging means which engages track 26. Referring to FIGURE
5, cutting knife 32 is positioned in track 26 at first end 20 of rotary shaft 14.
Referring to FIGURE 6, the fourth step involves securing a line 36 to cutting knife 32 and exerting a force upon line 36 to draw cutting knife 32 along track 26 from first end 20 to second end 22 of rotary shaft 14. The movement of cutting knife 32 along track 26 serves to sever any twine 38 that is wrapped around rotary shaft 14.
Referring to FIGURE 7, many rotary bale shredders have bale receiving cradles which are confined by walls positioned adjacent the first end and the second end of the rotary shaft.
With such rotary bale shredders it is necessary to cut a key hole form of opening 40 through wall 42 adjacent to the second end of the rotary shaft large enough to accommodate cutting knife 32. Referring to FIGURE 8, there is illustrated cutting knife 32 being pulled by means of line 36 along track 26 and then out through opening 40. There are numerous ways in which a force may be exerted upon line 36 to cause movement of cutting knife 32. A winch (not shown) may be mounted to the ~ 17 rotary bale shredder. During prototype testing, a free end of the line was attached to a farm vehicle which was then driven slowly forward to draw cutting knife 32 along track 26.
It will be apparent to one skilled in the art that modifications may be made to the illustrated embodiment without departing from the spirit and scope of the invention as hereinafter defined in the Claims.
method of removing accumulated twine from a shaft of a rotary bale shredder and a rotary bale shredder NAME OF INVENTOR:
Kenneth David Rjenner FIELD OF THE INVENTION
The present invention relates to a method of removing accumulated twine from a rotary shaft of a rotary bale shredder and a rotary bale shredder which has been modified in accordance with the teachings of the method.
R~K~7ROUND OF THE INVENTION
Rotary bale shredders are used to distribute round bales.
Such shredders have a cradle which is adapted to receive a round bale. A rotary shaft is positioned in close proximity to the cradle. Mounted on the rotary shaft is a plurality of cutting blades. As the rotary shaft rotates, the cutting blades shred the bale.
Round bales are held together with twine. It is not practical to remove this twine prior to placing a round bale onto the cradle of the rotary bale shredder. The presence of twine does not hinder the function of the rotary bale shredder, as the cutting blades readily cut through the twine. Twine tends to wind around the rotating shaft. Eventually, the accumulation of twine begins to adversely effect the operation of the machine and must, therefore, be removed. The removal of twine accumulated on the rotary shaft has proven to be time - ~ 7 ~ 4 consuming and labour intensive, as the twine must be manually cut from the rotary shaft, strand by strand.
5 8U~ARY OF THE INVENTION
What is required is a less time consuming method of removing accumulated twine from a shaft of a rotary bale shredder.
According one aspect of the present invention there is provided a method of removing accumulated twine from a rotary shaft of a rotary bale shredder. The first step involves providing a rotary bale shredder having a bale receiving cradle with a rotary shaft positioned in close proximity to the bale receiving cradle. The rotary shaft has a first end, a second end, and an exterior surface. A plurality of cutting blades are mounted on the rotary shaft. As the rotary shaft rotates the cutting blades shred a bale positioned on the bale 2 0 receiving cradle. The second step involves providing a track along the exterior surface between the first end and the second end of the rotary shaft. Counterbalancing means are secured to the shaft, as required, to maintain concentric shaft rotation. The third step involves providing a cutting knife 25 with track engaging means. The cutting knife is positioned in the track at the first end of the rotary shaft with the track engaging means engaging the track. The fourth step involves securing a line to the cutting knife and exerting a force upon the line to draw the cutting knife along the track from the first end to the second end of the rotary shaft. This severs any twine that is wrapped around the rotary shaft.
According to another aspect of the present invention there is provided a rotary bale shredder which includes a bale receiving cradle and a rotary shaft positioned in close proximity to the bale receiving cradle. The rotary shaft has a first end, a second end, and an exterior surface. A
~ ~ ~ 2~ ~ ~ 4 plurality of cutting blades are mounted on the rotary shaft.
As the rotary shaft rotates the cutting blades shred a bale positioned on the bale receiving cradle. A cutting knife receiving track extends along the exterior surface between the first end and the second end of the rotary shaft.
Counterbalancing means are secured to the shaft to maintain concentric shaft rotation. The structure, as described, enables a cutting knife with track engaging means to be positioned in the track. The cutting knife can be drawn by a line along the track to sever twine that i9 wrapped around the rotary shaft.
Although beneficial results may be obtained through the use of the rotary bale shredder, as described above, many rotary bale shredders have bale receiving cradles which are confined by walls positioned adjacent the first end and the second end of the rotary shaft. Even more beneficial results may, therefore, be obtained when an opening large enough to accommodate a cutting knife is provided through the wall adjacent to the second end of the rotary shaft.
BRIEF DESCRIPTION OF THE DRAWINGS
These and other features of the invention will become more apparent from the following description in which reference is made to the appended drawings, wherein:
FIGURE 1, labelled as PRIOR ART, is an end elevation view, in section, of a rotary bale shredder.
FIGURE 2 is a perspective view of a rotary shaft of the rotary bale shredder illustrated in FIGURE 1, with a track in accordance with the teachings of the present invention.
FIGURE 3 i5 a side elevation view of a cutting knife with track engaging means.
FIGURE 4 is an end elevation view of the track illustrated in FIGURE 2, with the cutting knife illustrated in FIGURE 3 engaged in the track.
- ~ 7 ~ 1 4 FIGURE S is a side elevation view of the cutting knife illustrated in FIGURE 3 positioned in the track illustrated in FIGURE 2, the cutting knife being positioned in a first position.
FIGURE 6 is a side elevation view of the cutting knife illustrated in FIGURE 3 positioned in the track illustrated in FIGURE 2, the cutting knife being positioned in a second posltlon .
FIGURE 7 is a front elevation view of a portion of a wall of a rotary bale shredder having an opening to allow the passage of a cutting knife.
FIGURE 8 is a side elevation view of the cutting knife illustrated in FIGURE 3 positioned in the track illustrated in FIGURE 2, and being drawn through opening illustrated in FIGURE
6.
DE~TT-~n DESCRIPTION OF THE ~n~r~KK~ EMBODIMENT
The preferred method of removing accumulated twine from a rotary shaft of a rotary bale shredder will now be described with reference to FIGURES 1 through 8.
The first step involves providing a rotary bale shredder.
Referring to FIGURE 1, there is illustrated a rotary bale shredder 10. Rota~y bale shredder 10 has a bale receiving cradle 12. A rotary shaft 14 is positioned in close proximity to bale receiving cradle 12. A plurality of cutting blades 16 are mounted on rotary shaft 14. As rotary shaft 14 rotates cutting blades 16 shred a bale 18 positioned on bale receiving cradle 12.
Referring to FIGURE 2, rotary shaft 14 has a first end 20, a second end 22, and an exterior surface 24. The second step involves securing a track 26 along exterior surface 24 of rotary shaft 14 which extends between first end 20 and second _ 5 - 7 ~
end 22. Beneficial results have been obtained using a generally "C" shaped track 26 with a slotted opening 27 secured by welding to rotary shaft 14. Bars 28 illustrated on either side of track 26 are intended for reinforcement.
Counterbalancing weights 30 may have to be secured to exterior surface 24 of rotary shaft 14 to maintain concentric shaft rotation.
Referring to FIGURE 3, the third step involves providing a cutting knife 32 with track engaging means. Beneficial results have been obtained when the track engaging means are in the form of laterally projecting feet 34. Referring to FIGURE 4, main body of cutting knife 32 is capable of extending through slotted opening 27 of track 26, whereas laterally projecting feet 34 will not and, therefore, serves as track engaging means which engages track 26. Referring to FIGURE
5, cutting knife 32 is positioned in track 26 at first end 20 of rotary shaft 14.
Referring to FIGURE 6, the fourth step involves securing a line 36 to cutting knife 32 and exerting a force upon line 36 to draw cutting knife 32 along track 26 from first end 20 to second end 22 of rotary shaft 14. The movement of cutting knife 32 along track 26 serves to sever any twine 38 that is wrapped around rotary shaft 14.
Referring to FIGURE 7, many rotary bale shredders have bale receiving cradles which are confined by walls positioned adjacent the first end and the second end of the rotary shaft.
With such rotary bale shredders it is necessary to cut a key hole form of opening 40 through wall 42 adjacent to the second end of the rotary shaft large enough to accommodate cutting knife 32. Referring to FIGURE 8, there is illustrated cutting knife 32 being pulled by means of line 36 along track 26 and then out through opening 40. There are numerous ways in which a force may be exerted upon line 36 to cause movement of cutting knife 32. A winch (not shown) may be mounted to the ~ 17 rotary bale shredder. During prototype testing, a free end of the line was attached to a farm vehicle which was then driven slowly forward to draw cutting knife 32 along track 26.
It will be apparent to one skilled in the art that modifications may be made to the illustrated embodiment without departing from the spirit and scope of the invention as hereinafter defined in the Claims.
Claims (4)
1. A method of removing accumulated twine from a rotary shaft of a rotary bale shredder, comprising the steps of:
firstly, providing a rotary bale shredder having:
a bale receiving cradle;
a rotary shaft positioned in close proximity to the bale receiving cradle, the rotary shaft having first end, a second end, and an exterior surface;
a plurality of cutting blades mounted on the rotary shaft, such that as the rotary shaft rotates the Cutting blades shred a bale posstioned on the bale receiving cradle;
secondly, providing a track along the exterior surface between the first end and the second end of the rotary shaft, with counterbalancing means being secured to the shaft, as required, to maintain concentric shaft rotation;
thirdly, providing a cutting knife with track engaging means and positioning the cutting knife in the track at the first end of the rotary shaft with the track engaging means engaging the track; and fourthly, moving the cutting knife along the track from the first end to the second end of the rotary shaft, thereby severing any twine that is wrapped around the rotary shaft.
firstly, providing a rotary bale shredder having:
a bale receiving cradle;
a rotary shaft positioned in close proximity to the bale receiving cradle, the rotary shaft having first end, a second end, and an exterior surface;
a plurality of cutting blades mounted on the rotary shaft, such that as the rotary shaft rotates the Cutting blades shred a bale posstioned on the bale receiving cradle;
secondly, providing a track along the exterior surface between the first end and the second end of the rotary shaft, with counterbalancing means being secured to the shaft, as required, to maintain concentric shaft rotation;
thirdly, providing a cutting knife with track engaging means and positioning the cutting knife in the track at the first end of the rotary shaft with the track engaging means engaging the track; and fourthly, moving the cutting knife along the track from the first end to the second end of the rotary shaft, thereby severing any twine that is wrapped around the rotary shaft.
2. A rotary bale shredder, comprising:
a bale receiving cradle;
a rotary shaft positioned in close proximity to the bale receiving cradle, the rotary shaft having first end, a second end, and an exterior surface;
a plurality of cutting blades mounted on the rotary shaft, such that as the rotary shaft rotates the cutting blades shred a bale positioned on the bale receiving cradle;
a track along the exterior surface between the first end and the second end of the rotary shaft, with counterbalancing means secured to the shaft to maintain concentric shaft rotation, such that a cutting knife with track engaging means is positionable in the track; and means for moving the cutting knife along the track thereby severing twine that is wrapped around the rotary shaft.
a bale receiving cradle;
a rotary shaft positioned in close proximity to the bale receiving cradle, the rotary shaft having first end, a second end, and an exterior surface;
a plurality of cutting blades mounted on the rotary shaft, such that as the rotary shaft rotates the cutting blades shred a bale positioned on the bale receiving cradle;
a track along the exterior surface between the first end and the second end of the rotary shaft, with counterbalancing means secured to the shaft to maintain concentric shaft rotation, such that a cutting knife with track engaging means is positionable in the track; and means for moving the cutting knife along the track thereby severing twine that is wrapped around the rotary shaft.
3. The rotary bale shredder as defined in Claim 2, wherein the bale receiving cradle is confined by walls positioned adjacent the first end and the second end of the rotary shaft, and an opening large enough to accommodate a cutting knife is provided through the wall adjacent to the second end of the rotary shaft.
4. The rotary bale shredder as defined in Claim 2, wherein a line is secured to the cutting knife, whereby the cutting knife is drawn along the track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2202014 CA2202014C (en) | 1997-04-07 | 1997-04-07 | Method of removing accumulated twine from a shaft of a rotary bale shredder and a rotary bale shredder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2202014 CA2202014C (en) | 1997-04-07 | 1997-04-07 | Method of removing accumulated twine from a shaft of a rotary bale shredder and a rotary bale shredder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2202014A1 CA2202014A1 (en) | 1998-10-07 |
| CA2202014C true CA2202014C (en) | 2001-03-20 |
Family
ID=4160359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2202014 Expired - Lifetime CA2202014C (en) | 1997-04-07 | 1997-04-07 | Method of removing accumulated twine from a shaft of a rotary bale shredder and a rotary bale shredder |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2202014C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2250313A1 (en) | 1998-10-13 | 2000-04-13 | Kevin Hruska | Crop material processor |
| US6578784B1 (en) | 2000-08-14 | 2003-06-17 | Highline Mfg. Inc. | Twine cutting assembly for bale processor |
| CA2363918C (en) | 2000-12-18 | 2005-03-15 | Bridgeview Mfg. Inc. | Bale processor twine cutter |
| US6708911B2 (en) | 2001-06-20 | 2004-03-23 | Highline Mfg. Inc. | Bale processor |
| US7651043B2 (en) | 2005-12-15 | 2010-01-26 | DuraTech Industries Internatioal, Inc. | Bale grinder |
| CA2742478C (en) | 2011-06-09 | 2014-04-01 | Highline Manufacturing Ltd. | Twine cutter for a bale processor |
-
1997
- 1997-04-07 CA CA 2202014 patent/CA2202014C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2202014A1 (en) | 1998-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20170407 |