CN201009011Y

CN201009011Y - Quick-speed band switching device of band sawing machine

Info

Publication number: CN201009011Y
Application number: CNU2007201413651U
Authority: CN
Inventors: 张金丰
Original assignee: JINYING MACHINERY CORP
Current assignee: JINYING MACHINERY CORP; Kingsand Machinery Ltd
Priority date: 2007-03-21
Filing date: 2007-03-21
Publication date: 2008-01-23
Anticipated expiration: 2017-03-21

Abstract

The utility model relates to a fast band changing device of hand saw machine comprising a band changing device which is pivoted on a runner on a body, wherein the band changing device consists of a slide carriage, two limiting seats, a spring, a supporting block, a vernier rod, a fast adjusting device and a base, and the fast adjusting device comprises a displacement slider, an eccentric wheel and an operation rod, the eccentric wheel is axially arranged on the displacement slider with an eccentric shaft hole, and the upper end of the operation rod is convexly provided with a pivot part which is arranged through the eccentric shaft hole, and fixed in the eccentric wheel by a fixed component, when the operation rod is pulled backward, the slide carriage is relatively driven to fast downward vertically slide, thereby achieving the efficacy of fast changing the saw band.

Description

The quick band-exchange device of band sawing machine

Technical field

The utility model is relevant with a kind of band sawing machine, more detailed it, be meant especially a kind ofly in its tape swapping device, a high-speed adjustment device to be set, so that it has the effect of rapid adjustment tape swapping.

Background technology

Press, see also shown in Figure 1, one slide 11 of existing band sawing machine tape swapping device 10 is to limit pivot to slide on 12 of two limit bases relatively, these slide 11 tops are embedded wherein for a

fixed axis piece

111,1 of one runner of 112 sides of keeping supplying of axle of this fixed axis piece 111 is established, in addition, the centre position of this slide 11 has been horizontally set with a limiting section 113, these limiting section 113 below apical graftings have a spring 13 and a contact piece 14, these contact piece 14 central authorities have a screw 141, pass this spring 13 and limiting section 113 again after wearing the spiral shell winding relatively for the driving screw 151 of a regulating rod 15 tops, simultaneously, these regulating rod 15 belows are again bases 16 that break-through axle pivot sets firmly in two limit bases, 12 belows, limit pivots on base 11 therebetween and with ring edge 152, and thereunder the bottom is to be installed with one again to turn-take 153; In this way, when this turn-takes 153 just or during counter-rotating, the driving screw 151 of this regulating rod 15 be this contact piece 14 of interlock up or bottom offset, and then drive fixed axis piece 111 on the slide 11 and runner 1 up or bottom offset, and then increase or shorten spacing between itself and following runner, with tensioning or take off the saw band of displacement between two runners, only, when known tape swapping device 10 operation desires are changed saw bands, be by this regulating rod 15 of rotation turn-take 153, to drive this slide 11 along 12 down slippages of two limit bases, only, the rotation pitch of this driving screw 151 is very little, so this turn-takes 153 when whenever turning around, slide 11 distance of slippage relatively is very little, the user often need rotate the spacing that adjustment just can reach its desire adjustment for a long time and carry out tape swapping, otherwise, when after tape swapping is finished, desiring the saw band tensioning, identically also need to operate for a long time to finish, generally speaking, manipulate and expend time in very much and strength, very undesirable.

The utility model content

The purpose of this utility model is, a kind of quick band-exchange device of band sawing machine is provided, and it is to save time very much and strength on manipulating.

The utility model provides a kind of quick band-exchange device of band sawing machine, on the body of this band sawing machine, under be respectively equipped with a runner, be arranged with a saw band between this two runner, wherein, this time runner drives via a motor, rotate with the saw band that drives this band sawing machine, in addition, should go up runner is to cooperate to be located on the tape swapping device, this tape swapping device includes a slide, two limit bases, one spring, one contact piece, members such as one regulating rod and a base are formed, this slide is located between this two limit base, and can be slidedly arranged in the relative limit long slot bore that these limit bases offer, in addition, this spring, the contact piece, regulating rod and base are vertically to be connected to the set limiting section below of this slide in regular turn; It is characterized in that:

Group is established a high-speed adjustment device between this regulating rod and base, it is by a displacer, one eccentric wheel and an action bars constitute, this displacer is located at the set ring edge below of this regulating rod, and it is vertically to provide a perforation, be arranged in wherein for this regulating rod, in addition, the relative eccentric wheel side of this displacer is convexly equipped with a double-screw bolt, this eccentric wheel also wears an eccentric shaft borehole jack pivot relatively and is located on this double-screw bolt, and this action bars upper end convexes with an articulated section, so that eccentric pivot hole can be passed in this articulated section, and is fixedly arranged in this eccentric wheel by a retaining element,, this action bars lower end holds the portion of getting and also being provided with one.

Wherein, the vertical both sides of this slide are provided with relative fin, and this fin is respectively to wear a perforation in the both sides, top, in addition, these limit bases are arranged in these fin both sides relatively, and it respectively offers the spacing long slot bore of a vertical strip in relative perforation, and these limit bases are to pass spacing long slot bore and perforation by a screw and nut, setting firmly slide between these limit bases, and can make the upper and lower relatively straight skidding of slide in these spacing long slot bores.

Wherein, this eccentric wheel is provided with the minimum winding terrace that has the highest winding terrace of maximum axle spacing with its axle center and have minimum wheelbase, so that this high-speed adjustment device has the two-period form rapid adjustment mode of pulling backward and pulling forward.

Wherein, this eccentric wheel be provided with its axle center have maximum axle spacing the highest winding terrace, have the moderate winding terrace of moderate wheelbase and have the minimum winding terrace of minimum wheelbase so that this high-speed adjustment device have backward pull, toward the third side to the syllogic rapid adjustment mode of pulling and pulling forward.

Wherein, this action bars is to be shaped to a ㄈ font.

The beneficial effects of the utility model are:

The quick band-exchange device of band sawing machine of the present utility model, it is to save time very much and strength on manipulating.Can replace saw band fast for the user, to reach the effect of quick band-exchange, therefore, this tape swapping device is after finely tuning to a certain degree by turn-taking of this regulating rod of rotation earlier, can hold the action bars of getting this high-speed adjustment device and pull backward, the saw band that ring set is located between these runners presents relaxed state, can replace saw band fast for the user, to reach the effect of quick band-exchange, usefulness when improving the sawing tape swapping relatively and quality.

Description of drawings

For the effect that makes the convenient simple and direct understanding further feature content of the present utility model of auditor and advantage and reached can more manifest, below in conjunction with embodiment and accompanying drawing describe in detail as after, wherein:

Fig. 1 is the profile of known band sawing machine tape swapping device.

Fig. 2 is the outside drawing of the utility model preferred embodiment.

Fig. 3 is the part exploded view of the utility model preferred embodiment.

Fig. 4 is the exploded view of the utility model preferred embodiment tape swapping device.

Fig. 5 is the profile of the utility model preferred embodiment tape swapping device.

Fig. 6 is another profile of the utility model preferred embodiment tape swapping device.

Fig. 7 is the fine setting state cutaway view of the utility model preferred embodiment tape swapping device.

Fig. 8 is the rapid adjustment state cutaway view of the utility model preferred embodiment tape swapping device.

Fig. 9 is another rapid adjustment state cutaway view of the utility model preferred embodiment tape swapping device.

Figure 10 is the base and the eccentric wheel positioning states cutaway view of the utility model preferred embodiment tape swapping device.

The specific embodiment

See also Fig. 2 to shown in Figure 4, a kind of quick band-exchange device of band sawing machine in the utility model preferred embodiment, wherein, on these band sawing machine 2 bodies 20, upper/lower positions is to be respectively equipped with runner 30 to reach runner 40, and this time runner 40 is the belt 51 connection drivings via a motor 50, be somebody's turn to do to drive, following runner 30, a saw band 60 of 40 is rotated, in addition, should go up runner 30 is to cooperate to be located on the tape swapping device 70, and this tape swapping device 70, be to include a slide 71, two limit bases 72, one spring 73, one contact piece 74, one regulating rod 75, one high-speed adjustment device 76 and a base 77 are formed, wherein:

This slide 71, be to be the ㄇ font and opening is arranged in the footstock 21 of this body 20 forward, its vertical both sides are to be provided with relative fin 711, and should go up runner 30 is that axle 7121 by a fixed axis piece 712 is located in slide 71 tops, this fin 711 is respectively to wear a perforation 7111 in the both sides, top, and these slide 71 centre positions are to be provided with a limiting section 713 in 711 of two fins, and it is in the centre position and is equipped with a spacing hole 7131;

This two limit base 72, be to be arranged in these fin 711 both sides relatively, and it is to be the L type and to be locked on these footstock 21 medial surfaces, in addition, these limit bases 72 are spacing long slot bores 721 that a vertical strip is respectively offered in perforation 7111 relatively, and these limit bases 72 are to pass perforation 7111 by a screw 722 and nut 723, be pivoted slide 71 and on fixed axis piece 712 in 72 of these limit bases, and can make the upper and lower relatively straight skidding of slide 71 in spacing long slot bore 721;

This spring 73 is to be arranged between these fin 711 both sides, so that these spring 73 tops can be resisted against limiting section 713

This contact piece 74, be to be arranged in this spring 73 belows, but up move for these contact piece 74 contact springs 73, and this contact piece 74 is to wear a guide screw hole 741 in relative spring 73 sides, and be provided with a screw 742 in a vertical side, can lock thereon for a poundage pointer 743, to learn the numerical value of poundage fast;

This regulating rod 75, generally be a cylinder, its front end is to be provided with a driving screw 751, it is to pass guide screw hole 741 and spring 73, with the spacing hole 7131 that is arranged in this slide 71, and this regulating rod 75 is to be convexly equipped with a ring edge 752, other in driving screw 751 belows, these regulating rod 75 bottoms are down to stretch out these footstock 21 bottoms and be provided with one to turn-take 753, conveniently hold for the user and get this 753 fine settings of turn-taking;

This high-speed adjustment device 76, be by a displacer 761, one eccentric wheel 762 and an action bars 763 are formed, this displacer 761 is to be located at ring edge 752 belows, and it is vertically to provide a perforation 7611, be arranged in wherein for this driving screw 751, in addition, please cooperate with reference to shown in Figure 10, these displacer 761 relative eccentric wheel 762 sides are convexly equipped with a double-screw bolt 7612, this eccentric wheel 762 also is to wear an eccentric pivot hole 7621 cover pivots relatively to be located on this double-screw bolt 7612, and this action bars 763 is to be shaped to a ㄈ font, its upper end is to convex with an articulated section 7631, so that eccentric pivot hole 7621 can be passed in this articulated section 7631, and be fixedly arranged in this eccentric wheel 762 by a retaining element 7632, and these action bars 763 lower ends also are to be provided with one to hold the portion of getting 7633, supplier just user holds extract operation, in addition, this eccentric wheel 762 is to be provided with the highest winding terrace 7622 that has maximum axle spacing with its axle center, have the moderate winding terrace 7623 of moderate wheelbase and have the minimum winding terrace 7624 of minimum wheelbase;

This base 77, be to be fixedly arranged between these limit base 72 belows, it is that relative perforation 7611 is offered an open-work 771, can be arranged in wherein for this driving screw 751, and being relative eccentric wheel 762 sides, this base 77 is provided with a screw 772, and these screw 772 belows also are provided with a steel ball 7721, a spring 7722 and a bolt 7723, so that it can have a contact positioning action to eccentric wheel 762.

By for further understanding the effect that the utility model structural feature, application technology means and institute's expection are reached, now the utility model occupation mode is narrated, believing be able to have more deep and concrete understanding to the utility model therefrom, as described below:

See also Fig. 4, Fig. 5 and shown in Figure 7, in the time will carrying out trimming movement to runner on this 30, need hold and get 753 rotary fine adjustments of turn-taking, up or down spiral shell is moving to make this driving screw 751, drive up or the down action of this contact piece 74, and this spring 73 is to be arranged in this contact piece 74 tops, makes this slide 71 be subjected to the jacking force of this spring 73, and in spacing long slot bore 721 straight skidding relatively up or down, and can learn the numerical value of poundage by poundage pointer 743.

See also Fig. 4, Fig. 6 and shown in Figure 8, when carry out trimming movement intact after, can carry out the rapid adjustment action, at this moment, can hold the portion of getting 7633 of holding of getting this action bars 763 pulls backward, driving eccentric wheel 762 for this articulated section 7631 is that the axle center rotates with eccentric pivot hole 7621, making this eccentric wheel 762 is to become with minimum winding terrace 7624 with the highest winding terrace 7622 to be arranged on the base 77 originally, and pushing tow displacer 761 is to two wheelbase change in elevation of this eccentric wheel 762 of lower slider, to drive this driving screw 751, contact piece 74 and spring 73 move downwards, this slide 71 is subjected to the jacking force of spring 73, and in spacing long slot bore 721 straight skidding down fast, can move down relatively for the last runner 30 that is located on the slide 71, the spacing of 40 of runners 30 and following runner on this is shortened, and the saw band 60 that ring set is located on its both outer rims presents relaxed state, to make things convenient for the user can replace saw band 60 fast, comparatively speaking, after the user has replaced saw band 60, can be according to abovementioned steps, again with this action bars 763 toward third sides originally to pulling, make this slide 71 straight skidding up fast in spacing long slot bore 721, keeping supplying runner 30 moves up relatively, make the spacing of 40 of runners 30 and following runner on this elongated, with fixedly packing saw band 60, so that this saw band 60 can be carried out the function of sawing.

Then, please cooperate consult shown in Figure 9, this eccentric wheel 762 is to be provided with the highest winding terrace 7622, moderate winding terrace 7623 and minimum winding terrace 7624, so that this high-speed adjustment device 76 has the quick-adjustsing function of syllogic, when this action bars 763 is pulled backward, the spacing that last runner 30 and following runner are 40 shortens, make saw band 6 existing lax states, be convenient for changing saw band 60 for the user, and when this action bars 763 toward third sides originally when pulling, the spacing that should go up 40 of runner 30 and following runners is elongated, this saw band 60 presents the packing state, makes its action that can carry out sawing, in addition, when this action bars 763 is pulled forward, the spacing that should go up

runner

30 and 40 of following runners shortens a little, and this saw band 60 presents half loose state, so that this band sawing machine 2 is when leaving unused, saw band 60 can be untired because of its rigidity material metal, to avoid taking place the tired situation of saw band 60 metals.

In addition, please cooperate consult shown in Figure 10, when this eccentric wheel 762 is located on the double-screw bolt 7612 of this displacer 761, it is can be by the relevant position of adjusting steel ball 7721, spring 7722 and bolt 7723, make it have a contact positioning action, make this eccentric wheel 762 be difficult for slippage eccentric wheel 762.

Again feature of the present utility model and attainable expection effect thereof are presented below:

1, the quick band-exchange device of band sawing machine of the present utility model, be after finely tuning to a certain degree by turn-taking of this regulating rod of rotation earlier, can hold the action bars of getting this high-speed adjustment device pulls backward, make ring set be located at that saw band between runner and following runner presents relaxed state on this, can replace saw band fast for the user, to reach the effect of quick band-exchange, usefulness when improving the sawing tape swapping relatively and quality.

2, the quick band-exchange device of band sawing machine of the present utility model, this high-speed adjustment device is to have the quick-adjustsing function of syllogic, so that ring set is located at the different conditions that the saw band between runner and following runner on this can present lax, packing and half pine, the convenience when using to increase saw band.

In sum, the utility model has its splendid progressive practicality in fact in like product, simultaneously all over looking into domestic and international technical data about this class formation, also finding no identical construction in the document exists formerly, be to have possessed novel patent condition, so file an application in accordance with the law so that, the utility model is real.

Only, above-described, only be of the present utility model one preferable possible embodiments, so the equivalent structure that every application the utility model specification and claim are done changes, ought to be included in the claim of the present utility model.

Claims

1. the quick band-exchange device of a band sawing machine, on the body of this band sawing machine, under be respectively equipped with a runner, be arranged with a saw band between this two runner, wherein, this time runner drives via a motor, rotate with the saw band that drives this band sawing machine, in addition, should go up runner is to cooperate to be located on the tape swapping device, this tape swapping device includes a slide, two limit bases, one spring, one contact piece, members such as one regulating rod and a base are formed, and this slide is located between this two limit base, and can be slidedly arranged in the relative limit long slot bore that these limit bases offer, in addition, this spring, the contact piece, regulating rod and base are vertically to be connected to the set limiting section below of this slide in regular turn; It is characterized in that:

2. as the quick band-exchange device of claim 1 a described band sawing machine, it is characterized in that, wherein, the vertical both sides of this slide are provided with relative fin, and this fin is respectively to wear a perforation in the both sides, top, in addition, these limit bases are arranged in these fin both sides relatively, and it respectively offers the spacing long slot bore of a vertical strip in relative perforation, these limit bases are to pass spacing long slot bore and perforation by a screw and nut, setting firmly slide between these limit bases, and can make the upper and lower relatively straight skidding of slide in these spacing long slot bores.

3. as the quick band-exchange device of claim 1 a described band sawing machine, it is characterized in that, wherein, this eccentric wheel is provided with the minimum winding terrace that has the highest winding terrace of maximum axle spacing with its axle center and have minimum wheelbase, so that this high-speed adjustment device has the two-period form rapid adjustment mode of pulling backward and pulling forward.

4. as the quick band-exchange device of claim 1 a described band sawing machine, it is characterized in that, wherein, this eccentric wheel be provided with its axle center have maximum axle spacing the highest winding terrace, have the moderate winding terrace of moderate wheelbase and have the minimum winding terrace of minimum wheelbase so that this high-speed adjustment device have backward pull, toward the third side to the syllogic rapid adjustment mode of pulling and pulling forward.

5. as the quick band-exchange device of claim 1 a described band sawing machine, it is characterized in that wherein, this action bars is to be shaped to a ㄈ font.