CN2617739Y

CN2617739Y - Rapid adhesive tape cutter

Info

Publication number: CN2617739Y
Application number: CN 03243031
Authority: CN
Inventors: 梁诗文
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-03-31
Filing date: 2003-03-31
Publication date: 2004-05-26
Anticipated expiration: 2013-03-31

Abstract

The utility model relates to a differential-speed shaft structure in dividers, wherein, one end of the shaft core of the differential-speed shaft is embedded with a fixed lid and then is embedded with a coiled tube and an interval ring in interleaving order; a concave positioning stepped groove is arranged on the top outline rim surface as well as on the bottom outline rim surface of the shaft core; a positioning pin with a center rotary body is arranged on the top inner side as well as on the bottom inner side of the interval ring, and the positioning pins are compatible with the positioning stepped grooves and are chucked in the positioning stepped grooves for positioning, while the center rotary bodies reach the step base of the positioning stepped groove, which forms a circular gap between the inner rim surface of the interval ring and the shaft core; the other end of the shaft core is embedded with a fixed lid which clamps the coiled tube and the interval ring and forces the coiled tube and the interval ring to be fixed. The structure provides higher accuracy for the differential-speed effect of each coiled tube, reduces friction between the interval ring and the shaft core as well as the coiled tube, so as to prolong the period of usage, with the application of the center rotary body, the radial friction coefficient can be reduced by 200 times, which enables movement between interval rings to take a mode of rolling; even if recoiling for 100 rolls, the recoiling tolerance is below 20 percent, which enables torsion adjustment for each roll during recoiling function.

Description

The differential shaft structure of banding machine

Technical field

The utility model relates to a kind of differential shaft structure-improved of banding machine, especially refer to this differential shaft except that doing out of trade applicable to the itemize rolling of 5mm width, its spacer ring and axle center hold the formed annular spacing of card mutually by inverted impulse body and orientation order groove, make axle center and spacer ring reduce the friction clamp phenomenon of pulling, and when fixing plug is pushed compressing pipe crimping and spacer ring location by an end in axle center, inverted impulse body also can produce rotation in the rank of orientation order groove seat and move, so that the power of exerting pressure average be passed to each pipe crimping, the differential benefit that reaches each pipe crimping is more accurate, even and the rolling of 100 volumes, the error that also can make rolling tension force is below 20%.

Background technology

At present general common on the market banding machine 40 is that whole bundle material 411 is wound in the rotating shaft 41, after coiling is finished, material 411 promptly can produce uneven thickness tolerance in rotating shaft 41, this moment is when starting when banding machine 40, material 411 promptly can be via the cutting of a stationary knife number itemize be wound on the pipe crimping 421 of differential shaft 42 and reel, produce differential benefit (as shown in Figure 1) according to the tense-lax degree of institute's coiling material 411 in the rotating shaft 41 simultaneously, and the differential shaft structure-improved of general common banding machine is below enumerated two examples:

Be illustrated in figure 2 as one of vapour-pressure type differential shaft flat assembly drawing of habit formula (please also refer to Fig. 3 and be the differential shaft of habit formula and the combination dissected figure of pipe crimping), 11 inside, axle center of this differential shaft 10 are installed with an air bag 12, establish some containing holes 111 in the equidistant ring of outer peripheral edges face, paste mutually with air bag 12 and touch and the inside of containing hole 111 is installed with the pushing and pressing part 13 of a tool steel ball 131, and the sheathed some slippage seats 14 of 11 outer peripheral edges face in the axle center, the surface of this slippage seat 14 and ring-type are offered some horizontal elongated slots 141 and are installed with for a spring 142 and a support steel ball 143, and this slippage seat 14 ' also can be established the size increase to be and support steel ball 143 ' in twos, as shown in Figure 4, and slippage seat 14,14 ' the steel ball of support in twos 143,143 ' outer peripheral edges faces and the sheathed pipe crimping 15 (as shown in Figure 5) of difference, and a side of pipe crimping 15 promptly is subjected to center of gravity down to touch area 16 with upper peripheral edge face formation one subsides of slippage seat 14.

When banding machine starts, be for practising the running condition scheme drawing of formula as shown in Figure 6, air then can be entered by axle center 11 1 ends of differential shaft 10 to make and be installed on axle center 11 in-to-in air bags, 12 expansions, this moment, 13 of pushing and pressing parts can be subjected to pushing of air bag 12 that steel ball 131 is expanded outwardly contact slippage seat 14 or slippage seat 14 ', at this moment, slippage seat 14 or slippage seat 14 ' promptly produce the rotating order with pipe crimping 15 and support steel ball 143 or support the butted outside conflict pipe crimping 15 that steel ball 143 ' is subjected to spring 142, carry out the coiling action of itemize simultaneously.

Aforesaid habit formula structure, it still has following defective: (one) refers to especially that its pipe crimping 15 must be sheathed on the steel ball of support in twos 143 of slippage seat 14 or slippage seat 14 ' or support on the steel ball 143 ' and can form a contact surface, so be only applicable to the above itemize width of 50mm, and can't carry out segmentation bar below the 50mm, comparatively limited on range of use; (2) refer to that especially its assembly element is many, improve material cost and tooling cost relatively, also comparatively loaded down with trivial details, consuming time in assembling, so be not inconsistent economic benefit; (3) refer to that especially 15 of its slippage seat 14 or slippage seat 14 ' and pipe crimpings are to utilize spring 142 pushing and pressing to support steel ball 143,13 ' butted location, when in case event spring 142 produces elastic fatigues, then can't be really with pipe crimping 15 butted location, and need inspect one by one and be changed, the inconvenience that causes keeping in repair and consuming time.

Be to be the power of exerting pressure that another fixedly plug of practising formula is pushed pipe crimping and the spacer ring cut-away view that successively decreases as shown in Figure 7, the axle center 21 1 ends sheathed one fixing plug 22 of this differential shaft 20, being concaved with a location groove 211 in the upper peripheral edge face interlocks sheathed in regular turn for a pipe crimping 23 and a spacer ring 24, and the upside inner peripheral edge surfaces of spacer ring 24 all is convexly equipped with location a fin 241 and positioning groove 211 mutually ccontaining location, and the sheathed fixedly plug 25 of 21 the other end is pulled pipe crimping 23 and spacer ring 24 compression clamps fixing in the axle center again.

Aforesaid another practised the formula structure, it still has following defective: (one) refers to that especially its spacer ring 24 and pipe crimping 23 push compressing fixedly the time via fixing plug 25 by an end, because of spacer ring 24 is the nature sagging, the location is protruding to help 241 to produce staggered friction with the dual-side of positioning groove 211 and make, spacer ring 24 upside inner peripheral edge surfaces also produce bigger subsides with axle center 21 and touch area 26 simultaneously, as shown in Figure 8, and then cause in pushing the compressing process, because of the influence of frictional resistance is successively decreased the power of pushing from front to back, the elasticity that makes each pipe crimping 23 is lax shape one by one by an end of the application of force, so when pipe crimping 23 is reeled the action of itemize, then can produce the phenomenon that loosening friction clamp is pulled, and then influence the differential benefit of each pipe crimping 23; (2) refer to that especially its spacer ring 24 and pipe crimping 23 and axle center 21 are under friction clamp is pulled for a long time, then can make the friction energy become the phenomenon that heat energy causes temperature build-up, when temperature raises for a long time, promptly can cause spacer ring 24, pipe crimping 23 to wear out ahead of time with axle center 21, and then reduce service life; (3) refer to that especially a location fin 241 is only established in its spacer ring 24 and axle center 21 and a location groove 211 is installed with mutually, when in case spacer ring 24 is subjected to the turn friction in pipe crimping 23 and axle center 21, one side that then can make spacer ring 24 is pressed from both sides the phenomenon of pulling and rocking and produce, so stationarity is not good because of there not being the location design.

The inventor is in view of above-mentioned habit formula structure, and the defective on it uses is an idea of thinking and improve creation, satisfy to be engaged in addition improvement design of this skill experience for many years, inquiring into and study Sample testing through designing in many ways, and repeatedly revise improvement, is release the utility model.

Summary of the invention

Main purpose of the present utility model, be to provide a kind of differential shaft structure of banding machine, especially refer to this differential shaft except that reaching Applicable scope applicable to the itemize operation below the 5mm than wide, its spacer ring and axle center are held the design of card mutually by inverted impulse body and orientation order groove, make the inner edge surface and the axle center of spacer ring keep a suitable annular spacing, and when fixing plug is pushed compressing spacer ring and pipe crimping fixedly the time by an end in axle center, inverted impulse body then can produce rotation and move in orientation order groove, the order power of exerting pressure is average is passed to each pipe crimping, so when pipe crimping is reeled the action of itemize, more accurate correct to reach the differential benefit, and can accomplish wide cut, rolling multiple rollers is raised the efficiency and is reduced material unaccounted-for (MUF).

Secondary objective of the present utility model; be to provide a kind of differential shaft structure of banding machine; especially refer to that its spacer ring and axle center are held the design of card mutually by inverted impulse body and orientation order groove; make the inner edge surface and the axle center of spacer ring keep a suitable annular spacing, and can prevent that spacer ring and axle center from directly producing friction, and then reduce the friction energy; can not produce the phenomenon of temperature build-up; and then can effectively protect spacer ring and axle center, can not wear out ahead of time, and then increase the service life.

Another purpose of the present utility model, be to provide a kind of differential shaft structure of banding machine, You Zhiqi is provided with a locating dowel pin and an inverted impulse body and positioning groove respectively by the upper and lower side in spacer ring and axle center and holds the fastening position mutually, so that spacer ring is sheathed on the axle center more stably, can be subjected to the turn of axle center and pipe crimping and produces the phenomenon of rocking.

The purpose of this utility model is to realize like this, a kind of differential shaft structure of banding machine, the staggered axle center that is sheathed on differential shaft in regular turn of one pipe crimping and a spacer ring, all sheathed one fixing plug is pulled pipe crimping and spacer ring folder fixing in the two ends in axle center, on the axle center of differential shaft, the lower peripheral edge surface symmetry is arranged with the orientation order groove that an inside is the single order seat relatively, on the spacer ring, inboard symmetry sets firmly a locating dowel pin down, set firmly the laterally inverted impulse body and the mutually ccontaining location of orientation order groove of turn in the epimere place of locating dowel pin, and inverted impulse body just with the rank seat of orientation order groove paste mutually to, the inner edge surface of spacer ring and axle center form an annular spacing.

Description of drawings

Fig. 1: for practising the schematic perspective view of formula banding machine.

Fig. 2: be one of vapour-pressure type differential shaft flat assembly drawing of practising formula.

Fig. 3: be the differential shaft of habit formula and the combination dissected figure of pipe crimping.

Fig. 4: be two of the vapour-pressure type differential shaft flat assembly drawing of practising formula.

Fig. 5: for practising the three-dimensional combination figure of formula.

Fig. 6: for practising the running condition figure of formula.

Fig. 7: the power of exerting pressure of pushing pipe crimping and spacer ring for another fixedly plug of the practising formula cut-away view that successively decreases.

Fig. 8: for another spacer ring of practising formula is the sagging combination dissected figure with the axle center of nature.

Fig. 9: be three-dimensional exploded view of the present utility model and the fixing average scheme drawing of the power of exerting pressure of pushing pipe crimping and spacer ring of filling in.

Figure 10: be combination section of the present utility model.

30 ... differential shaft 31 ... the axle center

311 ... orientation order groove 3111 ... the rank seat

32 ... fixing plug 33 ... pipe crimping

34 ... spacer ring 341 ... locating dowel pin

342 ... inverted impulse body 35 ... fixing plug

A ... annular spacing

The specific embodiment

Be illustrated in figure 9 as three-dimensional exploded view of the present utility model and fixing plug and push the average scheme drawing of the power of exerting pressure (please also refer to and Figure 10 shows that combination section of the present utility model) of pipe crimping and spacer ring, the one end sheathed one fixing plug 32 in the axle center 31 of this differential shaft 30, and it is staggered sheathed in regular turn for a pipe crimping 33 and a spacer ring 34, and pipe crimping 33 is to change according to the size of desiring itemize, and be applicable to the segmentation bar that 5mm is following, on axle center 31, the lower peripheral edge surface symmetry is arranged with the orientation order groove 311 that an inside is single order seat 3111 relatively, and spacer ring 34 on, inboard symmetry sets firmly a locating dowel pin 341 down, set firmly the laterally inverted impulse body 342 and orientation order groove 311 mutually ccontaining location of turn in the appropriate location of locating dowel pin 341, and inverted impulse body 342 just pastes mutually with the rank seat 3111 of orientation order groove 311 and supports, make the inner edge surface of spacer ring 34 and axle center 31 form an annular spacing A, and the other end in axle center 31 sheathed one fixing plug 35 is fixing with the compressing of pulling of pipe crimping 33 and spacer ring 34 folders;

When banding machine starts; axle center 31 is blocked the design that forms ring spacing A with spacer ring 34 by the rank seat 3111 and the inverted impulse body 342 mutual appearances of orientation order groove 311; when making pipe crimping 33 reel the operation of itemize; can prevent that axle center 31 inner edge surfaces direct and spacer ring 34 from producing the phenomenon that friction clamp is pulled; and when fixing plug 35 is pushed compressing spacer ring 34 and pipe crimping 33 fixedly the time by an end in axle center 31; 34 2 of inverted impulse bodies can produce rotation and move in the rank of orientation order groove 311 seat 3111; the order power of exerting pressure is average is passed to each pipe crimping 33; shown in Fig. 9 arrow; so when pipe crimping 33 is reeled the action of itemize; more accurate correct with the differential benefit that reaches each pipe crimping 33; and can prevent that spacer ring 34 and axle center 31 from directly producing friction; and then reduction friction energy; can not produce the phenomenon of temperature build-up; and can effectively protect spacer ring 34 and axle center 31; can not wear out ahead of time; and then increase the service life; simultaneously by on spacer ring 34 and the axle center 31; downside is provided with a locating dowel pin 341 respectively and an inverted impulse body 342 holds the fastening position mutually with orientation order groove 311; so that spacer ring 34 is sheathed on the axle center 31 more stably, can be subjected to the turn in pipe crimping 33 and axle center 31 and produces the phenomenon of rocking.

The above only is a preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model; Promptly the equalization of being done according to the application's claim generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1. the differential shaft structure of a banding machine, the staggered axle center that is sheathed on differential shaft in regular turn of a pipe crimping and a spacer ring, the fixing fixedly plug of pipe crimping and spacer ring folder being pulled in the two ends all sheathed in axle center is characterized in that:

The upper and lower circumferential surface symmetry in the axle center of differential shaft is arranged with the orientation order groove that an inside is the single order seat relatively, the upper and lower inboard symmetry of spacer ring sets firmly a locating dowel pin, set firmly the laterally inverted impulse body and the mutually ccontaining location of orientation order groove of turn in the epimere place of locating dowel pin, and inverted impulse body just with the rank seat of orientation order groove paste mutually to, the inner edge surface of spacer ring and axle center form an annular spacing.