CN203664828U - Sawing wheel distance adjusting mechanism of band sawing machine - Google Patents
Sawing wheel distance adjusting mechanism of band sawing machine Download PDFInfo
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- CN203664828U CN203664828U CN201320775449.6U CN201320775449U CN203664828U CN 203664828 U CN203664828 U CN 203664828U CN 201320775449 U CN201320775449 U CN 201320775449U CN 203664828 U CN203664828 U CN 203664828U
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- saw
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- 238000010438 heat treatment Methods 0.000 description 2
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- 238000005336 cracking Methods 0.000 description 1
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Abstract
The utility model provides a sawing wheel distance adjusting mechanism of a band sawing machine, and belongs to the technical field of band sawing machines. The problem that the tensioning force of a sawing band in an existing band sawing machine is automatically compensated, so that a sawing blade is cracked or broken easily is solved. The saw wheel distance adjusting mechanism of the band sawing machine comprises a tensioning seat, a tensioning sliding block, a tensioning screw rod and a hand wheel, the tensioning seat is fixed on a sawing frame of the band sawing machine and is provided with a sliding groove, and the tensioning sliding block is arranged in the sliding groove and can move back and force along the sliding groove. One end of the tensioning screw rod is fixedly connected with the hand wheel, the other end of the tensioning screw rod penetrates through the side wall of the tensioning seat and then is connected with the tensioning sliding block in a threaded mode, a wheel shaft is fixedly arranged on the tensioning sliding block, a movable sawing wheel to be adjusted is arranged on the wheel shaft in a rotating mode, and a belleville spring is arranged between the hand wheel and the tensioning seat. The saw wheel distance adjusting mechanism can adjust the distance between two saw wheels by rotating the hand wheel, so that the purpose of adjusting the tensioning force of the sawing band is achieved, and operation is simple and convenient.
Description
Technical field
The utility model belongs to band sawing machine technical field, relates to a kind of saw wheel distance regulating mechanism of band sawing machine.
Background technology
Band sawing machine is a kind of sawing device that uses annular saw band, the equipment that with saw band, rapidoprint is carried out sawing operation, and saw band is tightly placed on Initiative saw wheel and driven saw wheel, by regulating spacing between two saw wheels to change saw band or adjusting the tensile force of saw band.In use, whether the tensile force size of saw band is suitable for band sawing machine, directly affects the service life of band sawing machine, and saw band tightening power is too small, is the crooked one of the main reasons of section, makes saw band rapid wear, and saw band tightening power is excessive, easily produces belt phenomenon.
Due to the saw wheel of high speed rotating with the saw band of tensioning is closely sealed contacts, cause saw wheel and saw band to produce frictional heating, under the heating functioin of saw band because of tensioning thrust and saw band, saw band can be extended circumference and be amplified, the hydraulic cylinder axostylus axostyle that produces expanding-contracting action therefore need to use Driven by Hydraulic Cylinder drives passive saw wheel, make saw band keep the device of tensioning state, do saw band tightening for the second time.
In actual production, in the time that saw wheel runs up drive saw band sawing material, saw band circumference can amplify and unclamp again, and now Hydranlic tensioner just need to be made pressure compensation action tension saw band, just can ensure the quality of sawing material.Hydranlic tensioner is always made suddenly the action of pressure compensation tension saw band, often makes the saw band running up beat and cause sawing cutting edge cracking or break because high-tension impacts, and Influence of production is very big, high to the quality requirement of saw band, and loss is also very large.
Utility model content
The purpose of this utility model is for the existing the problems referred to above of existing band sawing machine, and has proposed a kind of to occur when tensile force deficiency moment during in work when saw band, saw wheel distance regulating mechanism that can auto-compensation tensile force.
The purpose of this utility model can realize by following technical proposal:
A kind of saw wheel distance regulating mechanism of band sawing machine, it is characterized in that, it comprises backstand, tensioning slide block, tensioning screw mandrel and handwheel, backstand is fixed on the saw frame of band sawing machine and offers chute, described tensioning slide block is arranged in chute and can moves back and forth along chute, one end of tensioning screw mandrel is fixedly connected with handwheel, the other end is threaded with tensioning slide block through after the sidewall of backstand, on tensioning slide block, be fixed with wheel shaft, movable saw wheel to be regulated rotates and is arranged on wheel shaft, between described handwheel and backstand, be provided with disk spring, disk spring is set on tensioning screw mandrel and two ends act on respectively on the sidewall of handwheel and backstand.Disk spring bears great load in less space, and with the spring comparison of other types, the deformation energy of disk spring unit volume is larger.
In the saw wheel distance regulating mechanism of above-mentioned a kind of band sawing machine, described disk spring is superimposed in opposite directions between two.Due to skin friction resistance effect, the effect of impact-absorbing and dissipation energy is more remarkable.
In the saw wheel distance regulating mechanism of above-mentioned a kind of band sawing machine, described backstand sidewall is provided with warning nut with respect to the opposite side of disk spring, warning nut thread is connected on tensioning screw mandrel, and backstand side wall surface is provided with alarm switch to a side of this warning nut.
In the saw wheel distance regulating mechanism of above-mentioned a kind of band sawing machine, the both sides of described chute are equipped with postive stop baffle, and postive stop baffle removably connects by securing member and backstand, and postive stop baffle is blocked in the outside of tensioning slide block.
In the saw wheel distance regulating mechanism of above-mentioned a kind of band sawing machine, between described handwheel and the sidewall of backstand, be provided with lining cover, the lining enclosure is at tensioning screw mandrel, and one end is fixedly connected with handwheel, and the other end covers on above-mentioned disk spring.
In the saw wheel distance regulating mechanism of above-mentioned a kind of band sawing machine, between described lining cover and tensioning screw mandrel, circumferentially lock and link together by bearing pin.
Compared with prior art, the saw wheel distance regulating mechanism of this band sawing machine is the spacing size between adjustable two saw wheels by rotating handwheel, reaches with this object that regulates saw band tightening power, simple to operation.In addition, the elastic force producing by disk spring can compensate tensile force, is conducive to saw band tightening and regulates appropriateness.
Brief description of the drawings
Fig. 1 is the structural representation of the saw wheel distance regulating mechanism of this band sawing machine.
Fig. 2 is the end face view of Fig. 1.
Fig. 3 is the cutaway view of Fig. 1.
In figure, 1, backstand; 1a, sidewall; 2, tensioning slide block; 3, tensioning screw mandrel; 4, handwheel; 5, chute; 6, wheel shaft; 7, movable saw wheel; 8, disk spring; 9, warning nut; 10, alarm switch; 11, postive stop baffle; 12, securing member; 13, lining cover.
Detailed description of the invention
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figures 1 to 3, the saw wheel distance regulating mechanism of this band sawing machine comprises backstand 1, tensioning slide block 2, tensioning screw mandrel 3 and handwheel 4, backstand 1 is fixed on the saw frame of band sawing machine and offers chute 5, described tensioning slide block 2 is arranged in chute 5 and can moves back and forth along chute 5, one end of tensioning screw mandrel 3 is fixedly connected with handwheel 4, the other end is threaded with tensioning slide block 2 through after the sidewall 1a of backstand 1, on tensioning slide block 2, be fixed with wheel shaft 6, movable saw wheel 7 to be regulated rotates and is arranged on wheel shaft 6, between described handwheel 4 and backstand 1, be provided with disk spring 8, disk spring 8 is superimposed in opposite directions to be between two set on tensioning screw mandrel 3 and two ends act on respectively on the sidewall 1a of handwheel 4 and backstand 1.Disk spring 8 bears great load in less space, and with the spring comparison of other types, the deformation energy of disk spring 8 unit volumes is larger, and due to skin friction resistance effect, the effect of impact-absorbing and dissipation energy is more remarkable.
Backstand 1 sidewall 1a is provided with warning nut 9 with respect to the opposite side of disk spring 8, and warning nut 9 is threaded on tensioning screw mandrel 3, and backstand 1 sidewall 1a is provided with alarm switch 10 towards a side of this warning nut 9.
The both sides of chute 5 are equipped with postive stop baffle 11, and postive stop baffle 11 removably connects by securing member 12 and backstand 1, and postive stop baffle 11 is blocked in the outside of tensioning slide block 2.Between the sidewall 1a of handwheel 4 and backstand 1, be provided with lining cover 13, serve as a contrast cover 13 and be enclosed within tensioning screw mandrel 3, one end is fixedly connected with handwheel 4, and the other end covers on above-mentioned disk spring 8, between lining cover 13 and tensioning screw mandrel 3, is circumferentially locked and links together by bearing pin.
Rotate handwheel 4, drive tensioning screw mandrel 3 to rotate, owing to being subject to the axial limiting of disk spring 8 and lining cover 13, tensioning screw mandrel 3 can only circumferentially rotate substantially, tensioning slide block 2 drives wheel shaft 6 and movable saw wheel 7 to move back and forth along chute 5, spacing between movable saw wheel 7 and fixing saw wheel sends and changes, and regulates the tensile force of saw band.In the time that in use procedure, saw band fluffs, under the elastic force effect of butterfly spring, promote tensioning screw mandrel 3 together with the together outwards motion of slide block, wheel shaft 6 and movable saw wheel 7, auto-compensation saw wheel spacing, makes the tensile force of saw band keep stable.When warning nut 9 with tensioning screw mandrel 3 to right side shown in Fig. 3 motion, and while being pressed on alarm switch 10, illustrate that saw band fluffs and reaches warning degree, alarm switch 10 is reported to the police, and points out staff to change in time saw band.
Should be appreciated that, in claims of the present utility model, description, all " comprising ... " is all interpreted as open implication, and namely its implication is equal to " at least containing ... ", and should not be construed as enclosed implication, its implication should not be construed " only comprising ... ".
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1. the saw wheel distance regulating mechanism of a band sawing machine, it is characterized in that, it comprises backstand (1), tensioning slide block (2), tensioning screw mandrel (3) and handwheel (4), backstand (1) is fixed on the saw frame of band sawing machine and offers chute (5), described tensioning slide block (2) is arranged in chute (5) and can moves back and forth along chute (5), one end of tensioning screw mandrel (3) is fixedly connected with handwheel (4), after the sidewall (1a) of the other end through backstand (1), be threaded with tensioning slide block (2), on tensioning slide block (2), be fixed with wheel shaft (6), movable saw wheel (7) to be regulated rotates and is arranged on wheel shaft (6), between described handwheel (4) and backstand (1), be provided with disk spring (8), disk spring (8) is set in tensioning screw mandrel (3) above and two ends act on respectively on the sidewall (1a) of handwheel (4) and backstand (1).
2. the saw wheel distance regulating mechanism of a kind of band sawing machine according to claim 1, is characterized in that, described disk spring (8) is superimposed in opposite directions between two.
3. the saw wheel distance regulating mechanism of a kind of band sawing machine according to claim 1 and 2, it is characterized in that, described backstand (1) sidewall (1a) is provided with warning nut (9) with respect to the opposite side of disk spring (8), it is upper that warning nut (9) is threaded in tensioning screw mandrel (3), and backstand (1) sidewall (1a) is provided with alarm switch (10) towards a side of this warning nut (9).
4. the saw wheel distance regulating mechanism of a kind of band sawing machine according to claim 1 and 2, it is characterized in that, the both sides of described chute (5) are equipped with postive stop baffle (11), postive stop baffle (11) removably connects by securing member (12) and backstand (1), and postive stop baffle (11) is blocked in the outside of tensioning slide block (2).
5. the saw wheel distance regulating mechanism of a kind of band sawing machine according to claim 1 and 2, it is characterized in that, between the sidewall (1a) of described handwheel (4) and backstand (1), be provided with lining cover (13), lining cover (13) is enclosed within tensioning screw mandrel (3), one end is fixedly connected with handwheel (4), and the other end covers on above-mentioned disk spring (8).
6. the saw wheel distance regulating mechanism of a kind of band sawing machine according to claim 5, is characterized in that, between described lining cover (13) and tensioning screw mandrel (3), is circumferentially locked and links together by bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775449.6U CN203664828U (en) | 2013-11-18 | 2013-11-18 | Sawing wheel distance adjusting mechanism of band sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775449.6U CN203664828U (en) | 2013-11-18 | 2013-11-18 | Sawing wheel distance adjusting mechanism of band sawing machine |
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| Publication Number | Publication Date |
|---|---|
| CN203664828U true CN203664828U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775449.6U Expired - Lifetime CN203664828U (en) | 2013-11-18 | 2013-11-18 | Sawing wheel distance adjusting mechanism of band sawing machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842006A (en) * | 2015-05-29 | 2015-08-19 | 四川林大全科技有限公司 | Sawing machine for cutting human models |
| CN107876880A (en) * | 2017-11-02 | 2018-04-06 | 海盐华星标准件模具厂 | A kind of saw band tension-adjusting gear of mould production band sawing machine |
| CN110508872A (en) * | 2019-08-15 | 2019-11-29 | 襄阳新东特锻造有限公司 | A kind of cutting mechanism in numerical control circular sawing machine |
| CN112404585A (en) * | 2020-11-09 | 2021-02-26 | 马鞍山海森控电气有限公司 | Floating wheel tensioning mechanism |
| CN112570805A (en) * | 2020-11-25 | 2021-03-30 | 江苏汉田机械工业有限公司 | Hydraulic tensioning mechanism of high-speed band sawing machine |
| CN115846767A (en) * | 2022-09-03 | 2023-03-28 | 浙江沪缙机床有限公司 | Saw band adjusting device based on band sawing machine |
-
2013
- 2013-11-18 CN CN201320775449.6U patent/CN203664828U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842006A (en) * | 2015-05-29 | 2015-08-19 | 四川林大全科技有限公司 | Sawing machine for cutting human models |
| CN104842006B (en) * | 2015-05-29 | 2017-04-26 | 四川林大全科技有限公司 | Sawing machine for cutting human models |
| CN107876880A (en) * | 2017-11-02 | 2018-04-06 | 海盐华星标准件模具厂 | A kind of saw band tension-adjusting gear of mould production band sawing machine |
| CN110508872A (en) * | 2019-08-15 | 2019-11-29 | 襄阳新东特锻造有限公司 | A kind of cutting mechanism in numerical control circular sawing machine |
| CN112404585A (en) * | 2020-11-09 | 2021-02-26 | 马鞍山海森控电气有限公司 | Floating wheel tensioning mechanism |
| CN112570805A (en) * | 2020-11-25 | 2021-03-30 | 江苏汉田机械工业有限公司 | Hydraulic tensioning mechanism of high-speed band sawing machine |
| CN115846767A (en) * | 2022-09-03 | 2023-03-28 | 浙江沪缙机床有限公司 | Saw band adjusting device based on band sawing machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |