CN203523874U

CN203523874U - Stepping button set-in machine

Info

Publication number: CN203523874U
Application number: CN201320653467.7U
Authority: CN
Inventors: 尤顺吉; 皮坤; 罗通和; 杨海林
Original assignee: FUJIAN PROVINCE SHISHI CITY KAM GARMENT ACCESSORIES ENTERPRISE Co Ltd
Current assignee: FUJIAN PROVINCE SHISHI CITY KAM GARMENT ACCESSORIES ENTERPRISE Co Ltd
Priority date: 2013-10-23
Filing date: 2013-10-23
Publication date: 2014-04-09
Anticipated expiration: 2023-10-23

Abstract

The utility model provides a stepping button set-in machine. The stepping button set-in machine comprises a button set-in machine body provided with a button set-in mechanism and a control mechanism controlling the button set-in mechanism. The output end of a clutch device is connected with a transmission shaft through a drive torsion spring. The control mechanism comprises a second rotating pendulum, a fixture block and an operation device, wherein the operation device drives the second rotating pendulum to rotate so that the fixture block can be disengaged from a clamping and stopping step. The second rotating pendulum is provided with a second resetting spring. The second rotating pendulum is further provided with a stirring block which faces the output end of clutch device. One end of the stirring block corresponds to the front position where the clamping and stopping step rotates to arrive. The other end of the stirring block is connected with the second rotating pendulum or the fixture block through a third resetting spring. The portion, between the two ends, of the stirring block is connected to the second rotating pendulum through a third rotating shaft in a pivoted mode. According to the technical scheme, compared with the prior art, the stepping button set-in machine breaks through the structural pattern of a traditional button set-in machine. According to the stepping button set-in machine, the structure of a control mechansim is novel and reaonable, stepping button set-in can be acheive, and safety, operability and controllability are high; by the adoption of the stepping button set-in machine, matching of the overall structure is smooth, the button set-in quality is high, and the practicability is high.

Description

A kind of stepping dotter

Technical field

The utility model relates to dotter tool field, is specifically related to a kind of stepping dotter that has improved control device.

Background technology

Dotter has been known, as Chinese utility model patent CN200520111697.6 discloses a kind of automatic galvanized wire tying machine, upper falling buckle mechanism and whereabouts buckle mechanism are positioned in frame, whereabouts buckle mechanism and lower catching groove location-plate join and promote down to buckle into catching groove by push mechanism, upper falling buckle mechanism and upper catching groove hole location-plate join and by push mechanism, are promoted to buckle into catching groove hole, punching mechanism is positioned on the location-plate of catching groove hole, its staking punch is relative with upper catching groove hole location-plate, upper catching groove hole location-plate is relative with lower catching groove location-plate, road wheel be positioned at frame bottom and can the push-jump moving movement of people or motor-driven rotation move.For another example Chinese utility model patent CN03218021.7 discloses a kind of safety dotter, comprise frame, safety device, fixed mould, Impact mould, mould transmission mechanism, clutch, pedal switch, described safety device is that the protective plate of a curved shape or the upper end chain connection of bar are in the frame above Impact mould, Impact mould inactive state, after protective plate or bar bottom are positioned at Impact mould scope of activities, Impact mould duty, by mould transmission mechanism or/and the drive disk assembly of pedal switch drive make before protective plate or bar bottom be rocked to Impact mould scope of activities.Aforementioned two kinds of dotters are traditional dotter, and structure is relatively ancient and inflexible, and operability and poor controllability are beaten button efficiency low, of poor quality, cannot adapt to the demand of modern market.

In order to address the above problem, Chinese utility model patent CN200920264281.6 discloses a kind of clutch device of dotter, comprise motor, main shaft, flywheel, clutch, arrestment mechanism, the rotating shaft of motor is connected with flywheel belt, flywheel and clutch coaxial are located on main shaft, flywheel is located at main shaft one end by bearing holder (housing, cover), and clutch is located at flywheel inner side, and arrestment mechanism is located at clutch one side and is connected with clutch engagement.Described clutch is centrifugal clutch.Described arrestment mechanism comprises pedal, block, and pedal and block carry out lever connection by connecting rod, and clutch one side is provided with the holding portion of coupling block.In this utility model patent, mainly improve dotter and beaten arrangement of clutch and the dependency structure in button transmission device, promoted to a certain extent the performance of dotter, but the overall structure of dotter also exists reasonability defect, the fluency that each parts coordinate is poor, operability and poor controllability, beat button efficiency low, of poor quality, practicality is not enough, haves much room for improvement.

Given this, this case inventor further investigate the problems referred to above, then has this case to produce.

Utility model content

The purpose of this utility model is to provide a kind of controlling organization novel and reasonable structure, can effectively realize stepping and beat button, and security, operability and controllability are strong, and overall structure coordinates smooth, beats that to detain quality good, and efficiency is high, practical stepping dotter.

In order to achieve the above object, the utility model adopts such technical scheme:

A stepping dotter, comprises and has dotter structure and the dotter body of the controlling organization that the buckle mechanism of fighting each other is controlled; Described dotter structure comprises power set, by power set, drive downward punching press to beat the decompressor of button and be located at makes button transmission device between the two; The described button transmission device of beating comprises the power transmission shaft being driven by described power set, this power transmission shaft is connected by arrangement of clutch with the output of described power set, on the output side face of this arrangement of clutch, be formed with locking step, this locks step towards the driving direction setting of described power set, between the inner of this locking step and outer end, is formed with the curved surface that seamlessly transits rounding; The output of described arrangement of clutch and described power transmission shaft are by driving extension spring to be connected, and this drives one end of extension spring and the output of described arrangement of clutch to be connected, and the other end is towards the driving direction winding of described power set and be connected on described power transmission shaft; Described controlling organization comprises by rotating shaft two and is articulated in the switch two on described dotter body, be articulated in the fixture block that blocks described locking step in switch two, rotate and make fixture block depart from the operating means of described locking step with driving switch two, described switch two is equipped with returning spring two; Described fixture block is equipped with returning spring four, described fixture block is also equipped with the slide block of being located in described switch two and arranging towards the output of described arrangement of clutch, together with described slide block intersects with described fixture block, the corresponding described locking step of front end of described slide block rotates the place ahead of wanting extremely and arranges, rear end is connected with described switch two or fixture block by returning spring three, between two ends, by rotating shaft three, be articulated in described switch two, and described rotating shaft three in described fixture block the side away from described locking step; The corresponding described fixture block of described slide block is formed with card division near a side of described locking step.

Above-mentioned slide block is formed with in a side of the above-mentioned locking step of correspondence the inclined-plane of taking advantage of a situation.

The above-mentioned inclined-plane of taking advantage of a situation extends to front end by above-mentioned card division.

Above-mentioned power transmission shaft horizontally set, above-mentioned switch two is vertical with described power transmission shaft, and above-mentioned fixture block is stuck in the below of above-mentioned locking step, and aforesaid operations device comprises that being positioned at above-mentioned rotating shaft two outsides with described switch two pulls the pull bar being connected.

Above-mentioned fixture block is setting up and down, and lower end and above-mentioned rotating shaft two be articulated, " L " shape structure that extend towards above-mentioned locking step direction upper end.

Above-mentioned fixture block is formed with the breach that rides above-mentioned slide block, and this breach has the space for described slide block activity, and above-mentioned card division is stuck in the top edge of described breach.

Aforesaid operations device also comprises on the base that is arranged at above-mentioned dotter body, one end therewith base by rotating shaft four pivot joints, the free end of the other end for Gong trampling, the device with pedal being articulated with the lower end of above-mentioned pull bar between two ends, the upper end of described pull bar and above-mentioned switch two are articulated.

Above-mentioned returning spring three is extension spring.

Above-mentioned returning spring two is for being sheathed in above-mentioned rotating shaft two, and one end is stuck on above-mentioned dotter body, and the other end is stuck in the torsion spring in above-mentioned switch.

The side face of above-mentioned power transmission shaft is provided with the movable annular protrusion of fitting of output with above-mentioned arrangement of clutch, and described power transmission shaft is connected with above-mentioned driving extension spring by this annular protrusion, and on described annular protrusion, is formed with the groove of accommodating described driving extension spring.

Adopt after technique scheme, stepping dotter of the present utility model, break through the structural form of traditional dotter, in use, the input of power set driving clutch rotates, by operating operation device, drive switch two to swing, drive slide block to swing together, slide block is stirred fixture block by card division and is departed from locking step, initially, lock after step departs from fixture block and turn an angle to slide block place, slide block is locked step and is stirred, to lower swing, and then card division departs from fixture block, fixture block is replied under the effect of returning spring four, unclamp operation device no matter whether now, locking step all will take advantage of a situation and slip over slide block, and then be again stuck in fixture block place after completing a circle rotation, at locking step, rotate in a circle process, the output of arrangement of clutch drives power transmission shaft to rotate by driving extension spring to support, transmission shaft driven decompressor make-up material is beaten button, after beating and detain, transmission device drives decompressor to move upward, until locking step is stuck in fixture block place again, power transmission shaft stall gradually under the pulling force that drives extension spring, decompressor stops beating button, so far, complete and once play button operation, repeat with unclamp operation device and can repeat to beat button, unclamp operation device no matter when, switch two all will be replied under the effect at returning spring two, and slide block is corresponding swing also, is again stuck with fixture block, compared with prior art, stepping dotter of the present utility model, the novel and reasonable structure of its controlling organization, can effectively realize stepping and beat button, and security, operability and controllability are strong, overall structure coordinates smooth, beats that to detain quality good, and efficiency is high, practical.

Accompanying drawing explanation

Fig. 1 is monnolithic case structural representation of the present utility model;

Fig. 2 is the internal structure schematic diagram of the utility model the first state;

Fig. 3 is the internal structure schematic diagram of the utility model the second state;

Fig. 4 is the internal structure schematic diagram of the utility model third state;

Fig. 5 is the internal structure schematic diagram of the utility model the 4th state;

Fig. 6 is the internal structure schematic diagram of the utility model the 5th state;

Fig. 7 is the structural representation of the utility model the 6th state;

Fig. 8 is the partial structurtes schematic diagram of controlling organization;

Fig. 9 is the structural representation of returning spring one;

Figure 10 is the decomposition texture schematic diagram of returning spring one.

In figure:

1-feeding machanism 11-feed box

Feeding channel under the upper feeding channel 112-of 111-

2-pusher 21-material-pulling device

22-pusher transmission device 221-rotating shaft one

The 222-switch one 223-handle that is struck

224-returning spring one 2241-sealing lasso

2242-extension spring 2243-tightens portion

2244-connector

3-dotter structure 31-power set

32-decompressor 321-stirs handle

33-beats button transmission device 331-power transmission shaft

3311-annular protrusion 3312-groove

332-arrangement of clutch 3321-locks step

3322-seamlessly transits curved surface 3323-and drives extension spring

333-eccentric wheel 3331-eccentric shaft

3332-follower lever device 3333-slide block

3334-framework 3335-screw rod

3336-nut 3337-stage clip

4-controlling organization 41-rotating shaft two

42-switch two 421-returning springs two

43-fixture block 431-breach

432-returning spring four

44-operating means 441-pull bar

442-device with pedal 4421-rotating shaft four

4422-free end 45-slide block

450-card division 451-returning spring three

The 452-rotating shaft three 453-inclined-plane of taking advantage of a situation

5-beats Button Block 6-base

The specific embodiment

In order further to explain, be described in detail the technical solution of the utility model below by specific embodiment.

A kind of stepping dotter of the present utility model, as Figure 1-10 shows, comprises dotter body, and dotter body has the controlling organization 4 that feeding machanism 1, pusher 2, dotter structure 3 and air exercise buckle mechanism 3 are controlled.

Feeding machanism 1 comprises two feed boxes 11, and two are communicated with respectively upper feeding channel 111, the lower feeding channel 112 of carrying button material with two feed boxes 11, pusher 2 comprises the discharging opening setting of corresponding upper feeding channel 111 and lower feeding channel 112, and corresponding button material is pushed into the material-pulling device 21 that button is beaten at Button Block 5 places of beating on dotter body, and the pusher transmission device 22 that material-pulling device 21 is carried out to transmission, dotter structure 3 comprises power set 31, by power set 31, drive downward punching press to beat the decompressor 32 of button and be located at makes button transmission device 33 between the two, make button transmission device 33 and comprise the power transmission shaft 331 being driven by power set 31, this power transmission shaft 331 is connected by arrangement of clutch 332 with the output of power set 31, on the output side face of this arrangement of clutch 332, be formed with and lock step 3321, this locks step 3321 towards the driving direction setting of power set 31, towards the rotation direction setting of the output shaft of power set 31, this lock between the inner of step 3321 and outer end, be formed with round seamlessly transit curved surface 3322, pusher transmission device 22 comprises by rotating shaft 1 and is articulated on dotter body material-pulling device 21 is carried out to the switch 1 that push-and-pull is stirred, this switch 1 is formed with for decompressor 32 stirs the handle 223 that is struck of swing, the decompressor 32 correspondences handle 223 that is struck is provided with and stirs handle 321, and switch 1 is equipped with returning spring 1, one end of returning spring 1 is connected in switch 1, and the other end is connected on dotter body, returning spring 1 comprises the sealing lasso 2241 in two ends, and the extension spring 2242 between two sealing lassos 2241, the two ends of extension spring 2242 are formed with the portion of tightening 2243, two sealing lassos 2241 and are formed with and are stuck in the corresponding connector 2244 tightening in portion 2243, the output of power transmission shaft 331 is connected with eccentric wheel 333, together with the eccentric shaft 3331 of this eccentric wheel 333 is in transmission connection with the upper end of decompressor 32 by follower lever device 3332, the lower end of follower lever device 3332 and decompressor 32 are articulated, follower lever device 3332 links together by slide block 3333 and eccentric shaft 3331, follower lever device 3332 is formed with the framework 3334 sliding up and down in inside for slide block 3333, slide block 3333 is provided with the screw rod 3335 that upwards penetrates framework 3334 upper side walls, the upper end of this screw rod 3335 is equipped with nut 3336, and screw rod 3335 covers have to open is located at the stage clip 3337 between this nut 3336 and the upper side wall of framework 3334, the output of arrangement of clutch 332 is connected by driving extension spring 3323 with power transmission shaft 331, this drives one end of extension spring 3323 to be connected with the output of arrangement of clutch 332, the other end is towards the driving direction winding of power set 31 and be connected on power transmission shaft 331, drives the other end of extension spring 3323 towards the rotation direction winding of the output shaft of power set 31, controlling organization 4 comprises by rotating shaft 2 41 and is articulated in the switch 2 42 on dotter body, be articulated in the fixture block 43 that blocks locking step 3321 in switch 2 42, rotate and make fixture block 43 depart from the operating means 44 that locks steps 3321 with driving switch 2 42, switch 2 42 specifically can be en plaque, and switch 2 42 is equipped with returning spring 2 421, fixture block 43 is equipped with returning spring 4 432, fixture block 43 is also equipped with the slide block 45 of being located in switch 2 42 and arranging towards the output of arrangement of clutch 332, together with slide block 45 intersects with fixture block 43, the corresponding step 3321 that locks of front end of this slide block 45 rotates the place ahead setting of wanting extremely, it is corresponding step 3321 the place ahead in rotation direction that locks of front end of slide block 45, rear end is connected with switch 2 42 or fixture block 43 by returning spring 3 451, between two ends, by rotating shaft 3 452, be articulated in switch 2 42, and rotating shaft 3 452 is the side away from locking step 3321 in fixture block 43, the corresponding fixture block 43 of slide block 45 is formed with card division 450 near a side that locks step 3321.In use, the input of power set 31 driving clutchs 332 rotates, by operating operation device 44, drive switch 2 42 to swing, drive slide block 45 to swing together, slide block 45 is stirred fixture block 43 by card division 450 and is departed from locking step 3321, initially, lock after step 3321 departs from fixture block 43 and turn an angle to slide block 45 places, slide block 45 is locked step 3321 and is stirred, to lower swing, and then card division 450 departs from fixture block 43, fixture block 43 is replied under the effect of returning spring 4 432, now, whether material unclamp operation device 44, locking step 3321 all will be taken advantage of a situation and be slipped over slide block 45, and then be again stuck in fixture block 43 places after completing a circle rotation, in locking step 3321 rotation one circle processes, the output of arrangement of clutch 332 drives power transmission shaft 331 to rotate by driving extension spring 3323 to support, power transmission shaft 331 drives follower lever device 3332 transmission decompressors 32 to press down by eccentric wheel 333, drive is stirred 321 pairs of the handles handle 223 that is struck and is stirred, and then make one 222 pairs of material-pulling devices of switch 21 carry out push-and-pull to stir, material-pulling device 21 is withdrawn backward, so that when the eccentric shaft 3331 of eccentric wheel 333 turns to lowest part, make decompressor 32 make-up material beat button, after beating and having detained, eccentric wheel 333 is rotated further under the driving of power transmission shaft 331, eccentric shaft 3331 drives decompressor 32 to move upward, until lock step 3321, be again stuck in fixture block 43 places, power transmission shaft 331 stall gradually under the pulling force that drives extension spring 3323, decompressor 32 stops beating button, switch 1 is replied under the effect of returning spring 1, simultaneously push-and-pull is stirred the Button Block 5 of beating that material-pulling device 21 is pushed into button material on dotter body by the upper feeding channel 111 of feeding machanism 1 and the discharging opening of lower feeding channel 112 and is sentenced confession and again beat button, so far, complete and once play button operation, repeat with unclamp operation device 44 and can repeat to beat button, unclamp operation device 44 no matter when, switch 2 42 all will be replied under the effect at returning spring 2 421, slide block 45 is corresponding swing also, again be stuck with fixture block 43, each parts of pusher 2 coordinate closely smooth, and pusher is smooth and easy, returning spring 1 can be sleeved on by the sealing lasso 2241 at two ends corresponding convex button place, and dismounting and installation are all easily quick, each parts of dotter structure 3 coordinate closely smooth, beat button smooth and easy, and can regulate by turn nut 3336 elastic force of stage clip 3337, and then regulate dynamics and the intensity of 32 dozens of buttons of decompressor, only have lever unclamp operation device 44 and once and again operate, controlling organization 4 just can again be realized and beat button, and then effectively realizes stepping and beat button, and security, operability and controllability are strong, so, the utility model, overall structure coordinates smooth, easy to operate, beats that to detain quality good, and efficiency is high, practical.

For the ease of locking step 3321, take advantage of a situation and slip over slide block 45, preferably, the side that slide block 45 locks step 3321 in correspondence is formed with the inclined-plane 453 of taking advantage of a situation, after unclamp operation device 44, locking step 3321 can be taken advantage of a situation and be slipped over by the inclined-plane 453 of taking advantage of a situation, and then is stuck in fixture block 43 after rotating a circle.

Preferably, the 453You card division, inclined-plane 450 of taking advantage of a situation extends to the front end of slide block 45.

Preferably, power transmission shaft 331 horizontally sets, switch 2 42 is vertical with power transmission shaft 331, fixture block 43 is stuck in the below that locks step 3321, operating means 44 comprises that being positioned at rotating shaft 2 41 outsides with switch 2 42 pulls the pull bar 441 being connected, and, when reality is used, pulls pull bar 441 to be operating operation device 44, simple in structure, easy to operate.

In order to make structure compact and reasonable more, preferably, fixture block 43 is setting up and down, and lower end and rotating shaft 2 41 be articulated, and upper end is towards " L " shape structure that locks step 3321 directions and extend.

In order further to make structure compact and reasonable more, and saving material, preferably, fixture block 43 is formed with the breach 431 that rides slide block 45, and this breach 431 has the space for slide block 45 activities, and card division 450 is stuck in the top edge of breach 431, concrete structure can be, and the sidewall of the corresponding breach 431 of slide block 45 is formed with the notch of phase snaps into position, i.e. fixture block 43 and the mutual snaps into position of slide block 45, balance each other with the effect of returning spring 3 451, can keep the normal operating conditions of slide block 45.

Preferably, operating means 44 also comprises the device with pedal 442 on the base 6 that is arranged at dotter body, one end of device with pedal 442 therewith base 6 by rotating shaft 4 4421 pivot joints, the free end 4422 of the other end for Gong trampling, is articulated with the lower end of pull bar 441 between two ends, and the upper end of pull bar 441 and switch 2 42 are articulated, as long as trample free end 4422, rely on the support of rotating shaft 4 4421, pull bar 441 is by drop-down, and then drive switch 2 42 swings.

Preferably, returning spring 3 451 is extension spring, and concrete structure can be, and one end of the returning spring 3 451 of extension spring form is connected by screw the outside that is positioned at rotating shaft 3 452 in slide block 45, and the other end is connected by screw in the bottom of fixture block 43.

Preferably, returning spring 2 421 is for being sheathed in rotating shaft 2 41, one end is stuck on dotter body, the other end is stuck in the torsion spring in switch 2 42, concrete structure can be, one end of the returning spring 2 421 of torsion spring form is stuck on the screw on dotter body, and other end holder and switch 2 42 are positioned at the outside of rotating shaft 2 41.

For specific implementation drives being connected between extension spring 3323 and power transmission shaft 331 and arrangement of clutch 332, preferably, the side face of power transmission shaft 331 is provided with the movable annular protrusion 3311 of fitting of output with arrangement of clutch 332, power transmission shaft 331 is connected with driving extension spring 3323 by this annular protrusion 3311, and on annular protrusion 3311, be formed with the groove 3312 of accommodating driving extension spring 3323, being groove 3312 is formed at its outer peripheral face along the hoop of annular protrusion 3311, can be to driving extension spring 3323 to play guiding, the effects such as location, concrete structure can be, drive one end of extension spring 3323 to be connected by screw on the output of arrangement of clutch 332, the other end is connected by screw in groove 3312.

Stepping dotter of the present utility model, is preferably and has housing, and the structure of housing and monnolithic case can be adjusted and design according to actual requirement; The form that is connected and installed between driving extension spring and power transmission shaft and arrangement of clutch etc. can be adjusted and design according to actual requirement; Groove is preferably and drives the corresponding shape and size of extension spring, also can adjust and design according to actual requirement; The form of returning spring two and installation form thereof etc. can be adjusted and design according to actual requirement; The concrete structure of device with pedal can be adjusted and design according to actual requirement, and in broad terms, the concrete form of operating means also can be adjusted and design according to actual requirement; The concrete form of breach can be adjusted and design according to actual requirement; Concrete angle, size and the forms etc. on inclined-plane of taking advantage of a situation can be adjusted and design according to actual requirement; The concrete relative position of fixture block and slide block, coordinate installation form and version separately and installation form etc. to adjust and to design according to actual requirement; Card division is preferably the form that can catch on fixture block, and its concrete form also can be adjusted and design according to actual requirement; Returning spring four is preferably torsion spring, its form and can adjust and design according to actual requirement with the form that is connected and installed of fixture block and corresponding bearing; The form of returning spring three and can adjust and design according to actual requirement with the form that is connected and installed of slide block and switch two or fixture block; The elastic force of returning spring three can design according to blocking the required power of locking step, but will guarantee after returning spring three turns an angle, and its elastic force effect can not be blocked locking step; The concrete form that seamlessly transits curved surface can be adjusted and design according to actual requirement; Switch one, switch two are preferably en plaque structure, also can adjust and design according to actual requirement; The form of stage clip can be adjusted and design according to actual requirement; The form of decompressor can be adjusted and design according to actual requirement; Power set are preferably motor, and by belt transmission belt pulley, arrangement of clutch are driven, and concrete form also can be chosen and adjust according to actual requirement; Arrangement of clutch is preferably centrifugal clutch, and concrete form also can be chosen and adjust according to actual requirement; Stirring the form of handle also can adjust and design according to actual requirement; The form of material-pulling device also can be adjusted and design according to actual requirement; The concrete form of feeding machanism can be adjusted and design according to actual requirement.

Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable variation or the modification of similar thinking to it, all should be considered as not departing from patent category of the present utility model.

Claims

1. a stepping dotter, comprises and has dotter structure and the dotter body of the controlling organization that the buckle mechanism of fighting each other is controlled; Described dotter structure comprises power set, by power set, drive downward punching press to beat the decompressor of button and be located at makes button transmission device between the two; The described button transmission device of beating comprises the power transmission shaft being driven by described power set, this power transmission shaft is connected by arrangement of clutch with the output of described power set, on the output side face of this arrangement of clutch, be formed with locking step, this locks step towards the driving direction setting of described power set, between the inner of this locking step and outer end, is formed with the curved surface that seamlessly transits rounding; It is characterized in that: the output of described arrangement of clutch is connected by driving extension spring with described power transmission shaft, this drives one end of extension spring and the output of described arrangement of clutch to be connected, and the other end is towards the driving direction winding of described power set and be connected on described power transmission shaft; Described controlling organization comprises by rotating shaft two and is articulated in the switch two on described dotter body, be articulated in the fixture block that blocks described locking step in switch two, rotate and make fixture block depart from the operating means of described locking step with driving switch two, described switch two is equipped with returning spring two; Described fixture block is equipped with returning spring four, described fixture block is also equipped with the slide block of being located in described switch two and arranging towards the output of described arrangement of clutch, together with described slide block intersects with described fixture block, the corresponding described locking step of front end of described slide block rotates the place ahead of wanting extremely and arranges, rear end is connected with described switch two or fixture block by returning spring three, between two ends, by rotating shaft three, be articulated in described switch two, and described rotating shaft three in described fixture block the side away from described locking step; The corresponding described fixture block of described slide block is formed with card division near a side of described locking step.

2. a kind of stepping dotter according to claim 1, is characterized in that: above-mentioned slide block is formed with in a side of the above-mentioned locking step of correspondence the inclined-plane of taking advantage of a situation.

3. a kind of stepping dotter according to claim 2, is characterized in that: the above-mentioned inclined-plane of taking advantage of a situation extends to front end by above-mentioned card division.

4. a kind of stepping dotter according to claim 3, it is characterized in that: above-mentioned power transmission shaft horizontally set, above-mentioned switch two is vertical with described power transmission shaft, above-mentioned fixture block is stuck in the below of above-mentioned locking step, and aforesaid operations device comprises that being positioned at above-mentioned rotating shaft two outsides with described switch two pulls the pull bar being connected.

5. a kind of stepping dotter according to claim 4, is characterized in that: above-mentioned fixture block is setting up and down, and lower end and above-mentioned rotating shaft two be articulated, " L " shape structure that extend towards above-mentioned locking step direction upper end.

6. a kind of stepping dotter according to claim 5, is characterized in that: above-mentioned fixture block is formed with the breach that rides above-mentioned slide block, and this breach has the space for described slide block activity, and above-mentioned card division is stuck in the top edge of described breach.

7. a kind of stepping dotter according to claim 4, it is characterized in that: aforesaid operations device also comprises on the base that is arranged at above-mentioned dotter body, one end therewith base by rotating shaft four pivot joints, the free end of the other end for Gong trampling, the device with pedal being articulated with the lower end of above-mentioned pull bar between two ends, the upper end of described pull bar and above-mentioned switch two are articulated.

8. a kind of stepping dotter according to claim 1, is characterized in that: above-mentioned returning spring three is extension spring.

9. a kind of stepping dotter according to claim 1, is characterized in that: above-mentioned returning spring two is for being sheathed in above-mentioned rotating shaft two, and one end is stuck on above-mentioned dotter body, and the other end is stuck in the torsion spring in above-mentioned switch.

10. according to a kind of stepping dotter described in any one in claim 1-9, it is characterized in that: the side face of above-mentioned power transmission shaft is provided with the movable annular protrusion of fitting of output with above-mentioned arrangement of clutch, described power transmission shaft is connected with above-mentioned driving extension spring by this annular protrusion, and on described annular protrusion, is formed with the groove of accommodating described driving extension spring.