CN205834604U - The plug feeding hold-down mechanism of electronic drain valve control assembly machine - Google Patents

Abstract

The utility model discloses the plug feeding hold-down mechanism of a kind of electronic drain valve control assembly machine, the plug feeding hold-down mechanism of this electronic drain valve control assembly machine includes plug feeding device, plug hold down gag and mounting base, described mounting base is fixed in frame, plug feeding device and plug hold down gag it is fixed with on mounting base, it is fixed with plug hold down gag on the mounting base of plug feeding device side, described plug feeding device includes the circular mounting plate being fixed on plane on mounting base, the upper plane of circular mounting plate is fixed with adpting flange fixed plate by supporting cylinder, the lower plane of adpting flange fixed plate is fixed with three bearing adpting flanges arranged in isosceles triangle, bearing block all it is set with on bearing adpting flange, the lower surface of bearing block has all been bolted the female driven gear of band.By the way, this utility model compresses effective, and easy to operate, service life is long, is greatly improved production efficiency.

Description

The plug feeding hold-down mechanism of electronic drain valve control assembly machine

Technical field

This utility model relates to field of machinery automation, particularly relates to inserting of a kind of electronic drain valve control assembly machine Head feeding hold-down mechanism.

Background technology

The most a lot of products are all made up of parts, are accomplished by a workpiece and another work during assembling Part is assembled together, and existing hold-down mechanism structure is complicated, and operate inconvenience, inefficiency, and production cost is high, has In consideration of it, be necessary the plug feeding hold-down mechanism of existing electronic drain valve control assembly machine is improved.

Utility model content

This utility model is mainly solving the technical problems that provide on the plug of a kind of electronic drain valve control assembly machine Material hold-down mechanism, its simple in construction, easy to operate, Work-sheet pressing effective, the wear of work is little, and service life is long, significantly carries High efficiency, reduces production cost.

For solving above-mentioned technical problem, the technical scheme that this utility model uses is: provide a kind of electronic drain valve The plug feeding hold-down mechanism of controller assembly machine, the plug feeding hold-down mechanism of this electronic drain valve control assembly machine includes Plug feeding device, plug hold down gag and mounting base, described mounting base is fixed in frame, mounting base is fixed with Plug feeding device and plug hold down gag, the mounting base of plug feeding device side is fixed with plug hold down gag, institute Stating plug feeding device and include being fixed on the circular mounting plate of plane on mounting base, the upper plane of circular mounting plate is by supporting Cylinder is fixed with adpting flange fixed plate, and the lower plane of adpting flange fixed plate is fixed with three, and in isosceles triangle, the bearing of arrangement connects Acting flange, bearing adpting flange is all set with bearing block, and the lower surface of bearing block has all been bolted with female thread Driven gear, described plug feeding device also includes the plug feeding electricity fixing by circular pillar and mounting base lower plane Machine fixed plate, plug feeding motor fixing plate is provided with plug feeding motor, and the output shaft of plug feeding motor passes through shaft coupling Device connects rotary shaft, and rotary shaft is fixed on adpting flange through the external part after circular mounting plate by bearing fixed seat fixes The lower plane of plate, the rotary shaft between circular mounting plate and bearing fixed seat is fixed with feeding driving gear, feeding driving tooth Wheel engages with three feeding driven gears, is provided with matched screw thread guide post in the female thread of feeding driven gear, circular Mounting base below installing plate is provided with three circular holes, and the lower end of screw thread guide post sequentially passes through circular mounting plate and peace respectively Circular hole on dress base plate, the screw thread guide post between circular mounting plate and mounting base is set with retainer ring, screw thread guide post Upper end sequentially pass through bearing block, bearing adpting flange and adpting flange fixed plate respectively after external part pass through bearing fixed seat Being fixed with circular base slab, circular base slab is placed with charging tray, described plug feeding device also includes being fixed on circular mounting Square feeding box on mounting base outside plate, the end face of square feeding box is provided with a manhole, square feeding box top The manhole in face is corresponding with charging tray, and the sidewall of square feeding box is provided with waste material guide plate, and the lower section of waste material guide plate is put Being equipped with ash can, square feeding box is provided with waste material relative to another sidewall of waste material guide plate and releases air cylinder fixed plate, waste material The upper Plane Installation releasing air cylinder fixed plate has waste material to release cylinder, and waste material is released to be provided with on the piston rod flanged plate of cylinder and pushed away Plate, push pedal is positioned at the end face of square feeding box, and the end face of the square feeding box of charging tray both sides is separately installed with the electronic slide unit of displacement With displacement slide rail, shift electronic slide unit and displacement slide rail the direction of motion identical, shift be provided with on the slide unit of electronic slide unit and Vertical first displacement bearing, the slide block of displacement slide rail is provided with the second displacement bearing normal thereto, the first displacement On seat and the second displacement bearing, feeding electronic slide unit fixed plate is installed, feeding electronic slide unit fixed plate is provided with feeding electronic Slide unit, lift cylinder is fixed by the slide unit of the electronic slide unit of cylinder connecting plate and feeding, on the piston rod flanged plate of lift cylinder Longitudinal plug gripping cylinder is installed, the jig arm of plug gripping cylinder is provided with plug tong；

Preferably, described plug hold down gag includes compressing mounting bracket, compresses mounting bracket and is fixed on mounting base Upper plane, compress to be provided with in mounting bracket and be fixed base plate, be fixed the both sides of plane on base plate and be separately installed with Hold down gag displacement slide rail and hold down gag displacement cylinder, hold down gag displacement slide rail and the motion side of hold down gag displacement cylinder To identical, the slide block of hold down gag displacement slide rail and the slide unit of hold down gag displacement cylinder be fixed with and hold down assembly, described pressure Tight assembly includes the displacement connecting plate on the slide unit of slide block and the hold down gag displacement cylinder being fixed on hold down gag displacement slide rail, On displacement connecting plate, plane is provided with clamping arm support away from the side of square feeding box, and the upper surface of clamping arm support is provided with Hinge seat, hinge seat is provided with clamping arm by bearing pin, and one end of clamping arm lower plane is provided with a briquetting, briquetting with turn Plug in platform clamping device is corresponding, and the two ends up and down of clamping arm side are respectively and fixedly provided with clamping block, and the first cam guide plate leads to Crossing clamping block to fix with clamping arm, the lower plane of the first cam guide plate is provided with the first cam channel, the first cam guide plate Upper Plane Installation has stretching spring dead plate, the both sides of stretching spring dead plate lower plane to be separately installed with the first spring strut, On displacement connecting plate, plane is provided with square installation backing plate near the side of square feeding box, and the upper plane of square installation backing plate sets Having two guide plate guide posts being parallel to each other, the second cam guide plate is upper by guide plate guide post and square installation backing plate Plane is fixed, and the second cam guide plate and the first cam guide plate are same level direction, the upper plane of the second cam guide plate It is provided with the second cam channel, the guide plate guide post between the second cam guide plate and square installation backing plate is set with guide plate Back-moving spring, the square installation backing plate of the second cam guide plate both sides is separately installed with the second spring strut, and the first spring props up Post and the second spring strut are corresponding, and stretching spring is both secured between the first spring strut and the second spring strut, and second is convex Also being vertically installed with the first support riser and second on the square installation backing plate of wheel guide plate both sides and support riser, the first support is perpendicular It is same level direction that plate and second supports riser, and the upper surface that the first support riser and second supports riser is the most vertical Clutch shaft bearing seat installing plate and the second bearing mounting plate are installed, vertical on the square installation backing plate outside the second support riser Being provided with clamping motor fixed plate, clamping motor fixed plate is provided with clamping motor, the output shaft of clamping motor is through compressing Motor fixing plate and connected by shaft coupling and have cam rotating shaft, cam rotating shaft is set with two flange-type bearing blocks, and two Individual flange-type bearing block is individually fixed in the upper plane of clutch shaft bearing seat installing plate and the second bearing mounting plate, two flange-types Being set with cam on cam rotating shaft between bearing fixed seat, it is first convex that cam is flush-mounted on the first cam guide plate respectively In the second cam channel on wheel chute and the second cam guide plate.

The beneficial effects of the utility model are: the plug feeding of this utility model a kind of electronic drain valve control assembly machine Hold-down mechanism, its simple in construction, easy to operate, Work-sheet pressing effective, the wear of work is little, and service life is long, is greatly improved Production efficiency, reduces production cost.

Accompanying drawing explanation

Fig. 1 is the structural representation of the plug feeding hold-down mechanism of this utility model electronic drain valve control assembly machine；

Fig. 2 is the part-structure signal of the plug feeding hold-down mechanism of this utility model electronic drain valve control assembly machine Figure；

Fig. 3 is the partial top view of the plug feeding hold-down mechanism of this utility model electronic drain valve control assembly machine；

Fig. 4 is the plug hold down gag of the plug feeding hold-down mechanism of this utility model electronic drain valve control assembly machine Structural representation；

Fig. 5 is the plug hold down gag of the plug feeding hold-down mechanism of this utility model electronic drain valve control assembly machine Part-structure schematic diagram.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model preferred embodiment is described in detail, so that the advantage of utility model and spy Levy and can be easier to be readily appreciated by one skilled in the art, thus protection domain of the present utility model is made apparent clear and definite boundary Fixed.

Refering to Fig. 1 to 3, the plug feeding hold-down mechanism of a kind of electronic drain valve control assembly machine, this electronic drain valve The plug feeding hold-down mechanism of controller assembly machine includes plug feeding device 51, plug hold down gag 52 and mounting base 53, Described mounting base 53 is fixed in frame, and mounting base 53 is fixed with plug feeding device 51 and plug hold down gag 52, Being fixed with plug hold down gag 52 on the mounting base 53 of plug feeding device 51 side, described plug feeding device 51 includes solid The circular mounting plate 511 of plane on mounting base 53, the upper plane of circular mounting plate 511 is fixed with even by supporting cylinder Acting flange fixed plate 512, the lower plane of adpting flange fixed plate 512 is fixed with three bearing adpting flanges arranged in isosceles triangle 519, bearing adpting flange 519 is all set with bearing block 518, the lower surface of bearing block 518 be all bolted with The driven gear 517 of female thread, described plug feeding device 51 also includes by circular pillar solid with mounting base 53 lower plane Fixed plug feeding motor fixing plate 513, plug feeding motor fixing plate 513 is provided with plug feeding motor 514, on plug The output shaft of material motor 514 is connected by shaft coupling rotary shaft 515, and rotary shaft 515 is through stretching out after circular mounting plate 511 End is fixed on the lower plane of adpting flange fixed plate 512 by bearing fixed seat, between circular mounting plate 511 and bearing fixed seat Rotary shaft 515 on be fixed with feeding driving gear 516, feeding driving gear 516 engages with three feeding driven gears 517, Matched screw thread guide post 5110, the installation below circular mounting plate 511 it is provided with in the female thread of feeding driven gear 517 Base plate 53 is provided with three circular holes, and the lower end of screw thread guide post 5110 sequentially passes through circular mounting plate 511 and mounting base respectively Circular hole on 53, the screw thread guide post 5110 between circular mounting plate 511 and mounting base 53 is set with retainer ring, and screw thread is led Stretching after the upper end of bar 5110 sequentially passes through bearing block 518, bearing adpting flange 519 and adpting flange fixed plate 512 respectively Go out end and be fixed with circular base slab 5111 by bearing fixed seat, circular base slab 5111 is placed with charging tray 5113, described slotting Head feeding device 51 also includes the square feeding box 5112 being fixed on the mounting base 53 outside circular mounting plate 511, square The end face of feeding box 5112 is provided with a manhole, and the manhole of square feeding box 5112 end face is relative with charging tray 5113 Should, the sidewall of square feeding box 5112 is provided with waste material guide plate 5114, and the lower section of waste material guide plate 5114 is placed with ash can 5115, square feeding box 5112 is provided with waste material relative to another sidewall of waste material guide plate 5114 and releases air cylinder fixed plate 5116, waste material releases the upper Plane Installation of air cylinder fixed plate 5116 has waste material to release cylinder 5117, and waste material releases cylinder 5117 Being provided with push pedal 5118 on piston rod flanged plate, push pedal 5118 is positioned at the end face of square feeding box 5112, charging tray 5113 both sides The end face of square feeding box 5112 is separately installed with the electronic slide unit of displacement 5119 and displacement slide rail 5120, shifts electronic slide unit 5119 Identical with the direction of motion of displacement slide rail 5120, shift and the first displacement normal thereto is installed on the slide unit of electronic slide unit 5119 Bearing 5121, the slide block of displacement slide rail 5120 is provided with the second displacement bearing 5122 normal thereto, the first displacement bearing 5121 and second displacement bearing 5122 on feeding electronic slide unit fixed plate 5123 is installed, in feeding electronic slide unit fixed plate 5123 Being provided with the electronic slide unit of feeding 5124, lift cylinder 5125 is solid with the slide unit of the electronic slide unit of feeding 5124 by cylinder connecting plate Fixed, the piston rod flanged plate of lift cylinder 5125 is provided with longitudinal plug gripping cylinder 5126, plug gripping cylinder 5126 Jig arm on plug tong 5127 is installed, plug tong 5127 is towards charging tray 5113；

Refering to Figure 4 and 5, plug hold down gag 52 includes compressing mounting bracket 521, compresses mounting bracket 521 and is fixed on peace The upper plane of dress base plate 53, compression mounting bracket 521 is provided with and is fixed base plate 522, be fixed plane on base plate 522 Both sides be separately installed with hold down gag displacement slide rail 523 and hold down gag displacement cylinder 524, hold down gag displacement slide rail 523 Identical with the direction of motion of hold down gag displacement cylinder 524, the slide block of hold down gag displacement slide rail 523 and hold down gag displacement gas Be fixed with on the slide unit of cylinder 524 and hold down assembly 525, described in hold down assembly and 525 include being fixed on hold down gag displacement slide rail 523 Displacement connecting plate 5251 on the slide unit of slide block and hold down gag displacement cylinder 524, on displacement connecting plate 5251, plane is away from side The side of shape feeding box 5112 is provided with clamping arm support 5252, and the upper surface of clamping arm support 5252 is provided with hinge seat 5253, hinge seat 5253 is provided with clamping arm 5254 by bearing pin, one end of clamping arm 5254 lower plane is provided with a pressure Block 5255, briquetting 5255 is corresponding with the plug in clamping device of rotary table 30, and the two ends up and down of clamping arm 5254 side are the most fixing Having clamping block 5256, the first cam guide plate 5257 is fixed with clamping arm 5254 by clamping block 5256, the first cam guide plate The lower plane of 5257 is provided with the first cam channel, and the upper Plane Installation of the first cam guide plate 5257 has stretching spring dead plate 5258, the both sides of stretching spring dead plate 5258 lower plane are separately installed with the first spring strut 5259, shift connecting plate 5251 Upper plane is provided with square installation backing plate 52510 near the side of square feeding box 5112, and the upper of square installation backing plate 52510 is put down Face is provided with two guide plate guide posts 52512 being parallel to each other, and the second cam guide plate 52511 is by guide plate guide post 52512 fix with the upper plane of square installation backing plate 52510, the second cam guide plate 52511 and the first cam guide plate 5257 For same level direction, the upper plane of the second cam guide plate 52511 is provided with the second cam channel, the second cam guide plate It is set with guide plate back-moving spring 52513 on guide plate guide post 52512 between 52511 and square installation backing plate 52510, the It is separately installed with the second spring strut 52514, the first bullet on the square installation backing plate 52510 of two cam guide plate 52511 both sides Spring pillar 5259 is corresponding with the second spring strut 52514, and stretching spring 52515 is both secured to the first spring strut 5259 and the Between two spring struts 52514, the square installation backing plate 52510 of the second cam guide plate 52511 both sides is also vertically installed with First supports riser 52516 and second supports riser 52517, and the first support riser 52516 and the second support riser 52517 are same One horizontal direction, the first upper surface supporting riser 52516 and the second support riser 52517 is vertically installed with first respectively inwards Bearing mounting plate 52518 and the second bearing mounting plate 52519, second supports the square installation backing plate outside riser 52516 It is vertically installed with clamping motor fixed plate 52520 on 52510, clamping motor fixed plate 52520 is provided with clamping motor 52521, the output shaft of clamping motor 52521 has cam to rotate through clamping motor fixed plate 52520 and by shaft coupling connection Axle 52522, cam rotating shaft 52522 is set with two flange-type bearing blocks, and two flange-type bearing blocks are individually fixed in One bearing mounting plate 52518 and the upper plane of the second bearing mounting plate 52519, between two flange-type bearing fixed seats Be set with cam 52523 on cam rotating shaft 52522, cam 525233 be flush-mounted in respectively on the first cam guide plate 5257 In the second cam channel on one cam channel and the second cam guide plate 52511.

When the plug feeding hold-down mechanism of this utility model electronic drain valve control assembly machine works, feeding motor 514 Operating make driving gear 516 drive driven gear 517 to rotate, driven gear 517 rotate screw thread guide post 5110 is carried Moving on dynamic charging tray 5113, lift cylinder 5125 moves up and down and drives plug feeding cylinder 5126 to move up and down, plug feeding cylinder 5126 operatings make plug tong 5127 folding, so that plug tong 5127 grips the plug on charging tray 5113, feeding is electronic The operating of slide unit 5124 makes lift cylinder 5125 move, and lift cylinder 5125 moves drive plug tong 5127 and moves, plug Tong 5127 moves to needing to put the top of plug and being put down by plug, and the operating of hold down gag displacement cylinder 524 makes compression group Part 525 moves the side to the workpiece needing compression, and the operating of clamping motor 52521 makes cam rotating shaft 52522 band moving cam 52523 rotate, so that the first cam guide plate 5257 drives clamping arm 5254 to move up and down, and then briquetting 5255 will be inserted Pressing under Tou, then the operating of feeding electronic slide unit 5124 makes plug tong 5127 return in situ, shift electronic slide unit 5119 and operate, Making plug tong 5127 grip the plug on charging tray 5113, machine repeats above job step, the plug gripping on charging tray 5113 After, the operating of feeding motor 514 makes driving gear 516 drive driven gear 517 to rotate, and driven gear 517 rotates and makes Obtaining screw thread guide post 5110 and drive the side moving to push pedal 5118 on charging tray 5113, waste material is released cylinder 5117 operating and is made push pedal Charging tray 5113 is shifted onto in ash can 5115 by 5118, and machine repeats above job step.

The plug feeding hold-down mechanism of this utility model electronic drain valve control assembly machine, its simple in construction, operation side Just, Work-sheet pressing effective, the wear of work is little, is greatly improved production efficiency, reduces production cost.

The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every Utilize equivalent structure or equivalence flow process conversion that this utility model description and accompanying drawing content made, or be directly or indirectly used in Other relevant technical fields, are the most in like manner included in scope of patent protection of the present utility model.

Claims (2)

1. the plug feeding hold-down mechanism of an electronic drain valve control assembly machine, it is characterised in that: this electronic drain valve control The plug feeding hold-down mechanism of device assembly machine processed includes plug feeding device, plug hold down gag and mounting base, described installation Base plate is fixed in frame, and mounting base is fixed with plug feeding device and plug hold down gag, plug feeding device side Mounting base on be fixed with plug hold down gag, described plug feeding device includes being fixed on the circle of plane on mounting base Installing plate, the upper plane of circular mounting plate is fixed with adpting flange fixed plate, under adpting flange fixed plate by supporting cylinder Plane is fixed with three bearing adpting flanges arranged in isosceles triangle, and bearing adpting flange is all set with bearing block, bearing block Lower surface all be bolted band female driven gear, described plug feeding device also includes being propped up by circle The plug feeding motor fixing plate that post is fixing with mounting base lower plane, plug feeding motor fixing plate is provided with plug feeding Motor, the output shaft of plug feeding motor is connected by shaft coupling rotary shaft, and rotary shaft is through stretching out after circular mounting plate End is fixed on the lower plane of adpting flange fixed plate, the rotation between circular mounting plate and bearing fixed seat by bearing fixed seat Feeding driving gear, feeding driving gear and three feeding driven gear engagements, the interior spiral shell of feeding driven gear it is fixed with on axle Being provided with matched screw thread guide post in stricture of vagina, the mounting base below circular mounting plate is provided with three circular holes, and screw thread guides The lower end of bar sequentially passes through the circular hole on circular mounting plate and mounting base, the spiral shell between circular mounting plate and mounting base respectively Being set with retainer ring on stricture of vagina guide post, the upper end of screw thread guide post sequentially passes through bearing block, bearing adpting flange and connection respectively External part after flange fixed plate is fixed with circular base slab by bearing fixed seat, and circular base slab is placed with charging tray, institute State the square feeding box that plug feeding device also includes being fixed on the mounting base outside circular mounting plate, square feeding box End face is provided with a manhole, and the manhole of square feeding box end face is corresponding with charging tray, the sidewall peace of square feeding box Equipped with waste material guide plate, the lower section of waste material guide plate is placed with ash can, and square feeding box is relative to another of waste material guide plate Sidewall is provided with waste material and releases air cylinder fixed plate, and waste material releases the upper Plane Installation of air cylinder fixed plate has waste material to release cylinder, useless Material is released and is provided with push pedal on the piston rod flanged plate of cylinder, and push pedal is positioned at the end face of square feeding box, charging tray both sides square The end face of feeding box is separately installed with the electronic slide unit of displacement and displacement slide rail, shifts electronic slide unit and the direction of motion of displacement slide rail Identical, shift and the first displacement bearing normal thereto is installed on the slide unit of electronic slide unit, the slide block of displacement slide rail is provided with On second displacement bearing normal thereto, the first displacement bearing and the second displacement bearing, feeding electronic slide unit fixed plate is installed, Being provided with the electronic slide unit of feeding in feeding electronic slide unit fixed plate, lift cylinder is by cylinder connecting plate and the electronic slide unit of feeding Slide unit is fixed, and the piston rod flanged plate of lift cylinder is provided with longitudinal plug gripping cylinder, the jig arm of plug gripping cylinder On plug tong is installed.

The plug feeding hold-down mechanism of electronic drain valve control assembly machine the most according to claim 1, it is characterised in that: Described plug hold down gag includes compressing mounting bracket, compresses mounting bracket and is fixed on the upper plane of mounting base, compresses and install Be provided with on support and be fixed base plate, be fixed the both sides of plane on base plate be separately installed with hold down gag displacement slide rail and Hold down gag displacement cylinder, hold down gag displacement slide rail is identical with the direction of motion of hold down gag displacement cylinder, and hold down gag moves Be fixed with on the slide unit of the position slide block of slide rail and hold down gag displacement cylinder and hold down assembly, described in hold down assembly and include being fixed on pressure Displacement connecting plate on the slide block of tight device displacement slide rail and the slide unit of hold down gag displacement cylinder, on displacement connecting plate, plane is remote Be provided with clamping arm support from the side of square feeding box, the upper surface of clamping arm support is provided with hinge seat, logical on hinge seat Crossing bearing pin and be provided with clamping arm, one end of clamping arm lower plane is provided with a briquetting, briquetting and inserting in clamping device of rotary table Corresponding, the two ends up and down of clamping arm side are respectively and fixedly provided with clamping block, and the first cam guide plate is by clamping block and clamping arm Fixing, the lower plane of the first cam guide plate is provided with the first cam channel, and the upper Plane Installation of the first cam guide plate has stretching Spring dead plate, the both sides of stretching spring dead plate lower plane are separately installed with the first spring strut, plane on displacement connecting plate Being provided with square installation backing plate near the side of square feeding box, the upper plane of square installation backing plate is provided with two and is parallel to each other Guide plate guide post, the second cam guide plate fixed by the upper plane of guide plate guide post with square installation backing plate, and second is convex Wheel guide plate and the first cam guide plate are same level direction, and it is sliding that the upper plane of the second cam guide plate is provided with the second cam Groove, the guide plate guide post between the second cam guide plate and square installation backing plate is set with guide plate back-moving spring, and second It is separately installed with the second spring strut, the first spring strut and the second spring on the square installation backing plate of cam guide plate both sides to prop up Post is corresponding, and stretching spring is both secured between the first spring strut and the second spring strut, the second cam guide plate both sides Also being vertically installed with the first support riser and second on square installation backing plate and support riser, first supports riser and second supports perpendicular Plate is same level direction, and the first upper surface supporting riser and the second support riser is vertically installed with clutch shaft bearing respectively inwards Seat installing plate and the second bearing mounting plate, the square installation backing plate outside the second support riser is vertically installed with clamping motor Fixed plate, clamping motor fixed plate is provided with clamping motor, and the output shaft of clamping motor is through clamping motor fixed plate and leads to Cross shaft coupling connection and have cam rotating shaft, cam rotating shaft is set with two flange-type bearing blocks, two flange-type bearing blocks It is individually fixed in the upper plane of clutch shaft bearing seat installing plate and the second bearing mounting plate, between two flange-type bearing fixed seats Cam rotating shaft on be set with cam, cam is flush-mounted in the first cam channel on the first cam guide plate and second convex respectively In the second cam channel on wheel guide plate.