CN201314003Y

CN201314003Y - Automatic grinding device of large CNC cloth tailoring machine

Info

Publication number: CN201314003Y
Application number: CNU2008201682578U
Authority: CN
Inventors: 顾叶琴; 史伟民; 汪嵩杰
Original assignee: Zhejiang Sci Tech University ZSTU
Current assignee: Zhejiang Sci Tech University ZSTU
Priority date: 2008-11-18
Filing date: 2008-11-18
Publication date: 2009-09-23
Anticipated expiration: 2018-11-18

Abstract

The utility model relates to an automatic grinding device of a large CNC cloth tailoring machine, and aims to solve the technical problem for an automatic grinding device of a large CNC cloth tailoring machine, which can realize the completely automated grinding, save time and labor and improve the working efficiency and grinding quality. In the technical proposal, the lower part of a steering shaft is provided with a grinding central gear through a central gear bearing; the grinding central gear is engaged with a grinding planetary gear; a rotating arm, a driving pulley and a transitional pulley are also arranged coaxially with the grinding planetary gear and are fixedly linked with the steering shaft; the driving pulley and the transitional pulley; the two pulleys are linked with two driven pulleys through belts; the two driven pulleys are arranged on a grinding wheel frame in an inverse V shape; a grinding wheel facing the cutter is also arranged coaxially with the driven pulleys; and one side of the grinding central gear is provided with a propping mechanism. The utility model can be applied to the large CNC cloth tailoring machine, and used for grinding the cutter on the cloth tailoring machine.

Description

Automatic knife grinding device of large-sized numerical control clothing tailoring machine

Technical field

The utility model relates to automatic knife-grinding apparatus, especially a kind of automatic knife grinding device of large-sized numerical control clothing tailoring machine.Be applicable to large-sized numerical control clothing tailoring machine, the cut-off knife on the clothing tailoring machine is carried out grinding.

Background technology

Cut-off knife on the clothing tailoring machine is a rust after work a period of time, needs to whet a knife, and cut-off knife all is to lean on manually to polish with oilstone for a long time, not only wastes time and energy, and its grinding is also inhomogeneous, and sharpening efficient is low.At this present situation, people have expected automatic knife-grinding apparatus is installed on clothing tailoring machine, but import equipment costs an arm and a leg, and small-sized clothing factory is difficult to bear, and the clothing tailoring machine of domestic production at present there is no automatic knife-grinding apparatus.By retrieval, find that one piece of name is called the Chinese utility model patent of " the mechanical knife sharpening device ZL90206689.7 of clothing tailoring machine ", its special character be the abrasive body on the matrix knife board be arranged on have spring inside and outside put, regulate the elasticity of abrasive body and blade Elastic Contact by flexible adjustment mechanism, knife board can be connected on the presser bar of cutting machine, perhaps be located at cutting machine on guide rod link to each other, driving knife board by it moves up and down, knife board also can be divided into two body structures, is fit to be used with the cutting machine of existing no knife sharpening device.But palpus during this knife sharpening device grinding " handgrip (15) on the hand-held guide rod moves up and down; promptly drive knife board and move back and forth up and down; can carry out grinding to the blade of whole blade ", therefore, this knife sharpening device is not also realized automatic grinding fully, also need lean on the help of staff to whet a knife, the efficient of its sharpening and quality still remain to be improved.

Summary of the invention

The technical problems to be solved in the utility model is: at the situation of prior art, the utility model provides a kind of automatic knife grinding device of large-sized numerical control clothing tailoring machine, is intended to realize fully the automation of whetting a knife, and is time saving and energy saving, increases work efficiency and whets a knife quality.

The technical scheme that the utility model adopted is: automatic knife grinding device of large-sized numerical control clothing tailoring machine, but steer motor with the rotating on the frame of being fixed on, on the output shaft of steer motor, connect firmly and turn to pinion, turn to pinion and turn to the gear wheel engagement, turn to gear wheel to connect firmly with steering spindle again simultaneously, cut-off knife is contained on the steering spindle by roller clip, the bottom that it is characterized in that described steering spindle has taken up the sharpening central gear by sun gear shaft, the sharpening center gear teeth are meshed with the sharpening planetary gear, also have the pivoted arm that connects firmly with steering spindle and the driving pulley and the transition pulley of pivoted arm below with the sharpening planetary gear is coaxial mounted, above-mentioned two belt wheels by belt be contained in two driven pulleys that are on the splayed grinding carriage and connect, with the coaxial mounted emery wheel that also has towards cut-off knife of driven pulley; Side at the sharpening central gear is provided with jacking mechanism.

Described jacking mechanism reaches the jacking block that links to each other with the piston rod of cylinder by cylinder to be formed, and the termination of jacking block is shaped on tooth and corresponding with described sharpening central gear.

Described steering spindle is cylinder substantially, is installed in rotation on the bearing block by bearing.

The splay loop of formation between coaxial and driving pulley and the transition pulley installed up and down and the driven pulley that is installed in splayed grinding carriage two ends, described driving pulley is connected with rotating shaft by key, and the intermediate zone bye is enclosed within the lower end of rotating shaft.

The beneficial effects of the utility model are: this knife sharpening device has been realized the sharpening automation fully, do not need dismounting during sharpening, only need on the operation screen by " sharpening " button, cut-off knife just can be on head automatic grinding, time saving and energy saving, improved operating efficiency and sharpening quality greatly.Owing to do not have special-purpose sharpening motor, saved production cost.

Description of drawings

Fig. 1 is a main cutaway view of the present utility model.

Fig. 2 is the A-A cutaway view of Fig. 1.

The specific embodiment

As shown in Figure 1, but present embodiment has the steer motor 1 of the rotating on frame of being fixed on 2, connects firmly on the output shaft of steer motor and turns to pinion 3, turns to pinion and turns to gear wheel 6 engagements, turns to gear wheel to connect firmly with steering spindle 5 usefulness bolts again simultaneously.Cut-off knife 19 is installed on the longitudinal axis of steering spindle by two groups of rollers 4 (one group of upper end, one group of lower end), and this steering spindle 5 is cylinder substantially and is installed in rotation on the bearing block 7 by bearing 21.

Sharpening central gear 10 is equipped with by central gear bearing 20 in the bottom of described steering spindle 5, the sharpening center gear teeth are meshed with sharpening planetary gear 11, also have the pivoted arm 12 tightened with steering spindle 5 usefulness bolts and the driving pulley 13 and the transition pulley 14 of pivoted arm below with the sharpening planetary gear is coaxial mounted, driving pulley 13 is connected with rotating shaft 22 by key, and transition pulley 14 then sky is enclosed within the lower end of rotating shaft 22.Be equipped with one between driving pulley 13 and the transition pulley 14 and be splay grinding carriage 18, as shown in Figure 2, driven pulley 16 respectively is equipped with at the two ends of grinding carriage, constitute splay loop by belt 17 between driving pulley 13, transition pulley 14 and two driven pulleys 16, with the driven pulley 16 coaxial mounted emery wheels 15 that also have towards cut-off knife 19.

Side at sharpening central gear 10 is provided with jacking mechanism, this jacking mechanism is contained in a side of sharpening central gear 10, reaching the jacking block 9 that links to each other with the piston rod of cylinder by cylinder 8 is formed, the termination of jacking block is shaped on tooth and corresponding with described sharpening central gear 10, and jacking block 9 separates with the sharpening central gear during operate as normal.

Operation principle of the present utility model is: when cut-off knife 19 needs along clothes track divertical motion, steer motor 1 is rotated, pinion 3 drivings that turn to that connect firmly with steer motor turn to gear wheel 6 to rotate, since steering spindle 5 with turn to gear wheel to connect firmly, so just can be with turning to gear wheel to turn to, reach the purpose that turns to by the cut-off knife 19 that roller 4 is installed on the steering spindle.

When needing to whet a knife, the piston rod of cylinder 8 stretches out, the jacking block 9 (head is shaped on tooth) that is loaded on the piston rod withstands sharpening central gear 10, the central gear of whetting a knife this moment has just maintained static, existence because of sharpening central gear bearing 20, steering spindle 5 is still rotatable, the pivoted arm 12 that connects firmly with steering spindle also rotates thereupon, just around sharpening central gear 10 revolve round the sun with pivoted arm 12 coaxial installations and the sharpening planetary gear 11 that is meshed with sharpening central gear 10 this moment, simultaneously owing in the pivoted arm bearing is housed also, the sharpening planetary gear is also done rotation except revolving round the sun, drive rotating shaft 22 and driving pulley 13 rotations, and then drive 14 rotations of two driven pulleys 16 and transition pulley, also begin rotation with driven pulley 16 coaxial mounted emery wheels 15, cut-off knife 19 is carried out grinding, because grinding carriage 18 skies are enclosed within the lower end of planetary gear 11, rely on the end-face friction of grinding carriage 18 and driving pulley 13, grinding carriage 18 can be driven by sharpening planetary gear 11 and rotate, run into cut-off knife up to emery wheel, so forward or reverse that can be by steer motor carries out grinding respectively to two faces of cut-off knife.Whole sharpening process drives emery wheel by steer motor, does not have special-purpose sharpening motor, has saved production cost.

Claims

1, a kind of automatic knife grinding device of large-sized numerical control clothing tailoring machine, have frame of being fixed on (2) but on the steer motor (1) of rotating, on the output shaft of steer motor, connect firmly and turn to pinion (3), turn to pinion and turn to gear wheel (6) engagement, turn to gear wheel to connect firmly with steering spindle (5) again simultaneously, cut-off knife (19) is installed on the steering spindle by roller (4), it is characterized in that: sharpening central gear (10) is equipped with by central gear bearing (20) in the bottom of described steering spindle (5), the sharpening center gear teeth are meshed with sharpening planetary gear (11), also have the pivoted arm (12) that connects firmly with steering spindle (5) and the driving pulley (13) and the transition pulley (14) of pivoted arm below with the sharpening planetary gear is coaxial mounted, above-mentioned two belt wheels by belt (17) be contained in two driven pulleys (16) that are on the splayed grinding carriage (18) and connect, with the coaxial mounted emery wheel (15) that also has towards cut-off knife (19) of driven pulley; Side at sharpening central gear (10) is provided with jacking mechanism.

2, automatic knife grinding device of large-sized numerical control clothing tailoring machine according to claim 1, it is characterized in that: described jacking mechanism reaches the jacking block (9) that links to each other with the piston rod of cylinder by cylinder (8) to be formed, and the termination of jacking block is shaped on tooth and corresponding with described sharpening central gear (10).

3, automatic knife grinding device of large-sized numerical control clothing tailoring machine according to claim 1 and 2 is characterized in that: described steering spindle (5) is cylinder substantially, is installed in rotation on the bearing block (7) by bearing (21).

4, automatic knife grinding device of large-sized numerical control clothing tailoring machine according to claim 1 and 2, it is characterized in that: the splay loop of formation between coaxial and driving pulley (13) and the transition pulley (14) installed up and down and the driven pulley (16) that is installed in splayed grinding carriage (18) two ends, described driving pulley (13) is connected with rotating shaft (22) by key, and transition pulley (14) sky is enclosed within the lower end of rotating shaft (22).