CN2448993Y

CN2448993Y - Quick demounting and replacing wet type brake clutch

Info

Publication number: CN2448993Y
Application number: CN 00255393
Authority: CN
Inventors: 陈国祯
Original assignee: Hualin Industry Co ltd
Current assignee: Hualin Industry Co ltd
Priority date: 2000-10-30
Filing date: 2000-10-30
Publication date: 2001-09-19
Anticipated expiration: 2010-10-30

Abstract

The utility model relates to a quick demounting and replacing wet type brake clutch which is arranged between a flywheel and a main shaft. The brake clutch comprises a brake device and a clutch device which are both alternately provided with a lining sheet and a friction plate for friction and compression; the brake device and the clutch device are controlled through a piston, and an air cylinder is arranged between the piston and the brake device, and a spring seat is arranged between the brake device and the clutch device; the spring seat and the piston are simultaneously sheathed on the air cylinder, so tha the entire brake clutch can be dismounted together with the flywheel, and the maintenance can be convenient; main shafts of different sizes can be adapted to through changing the inner diameter of the air cylinder, and the size of other parts are unnecessary to change, so that the manufacture can be beneficial.

Description

Quick demounting and replacing wet type brake clutch

The utility model relates to a kind of wet type brake clutch.

General as punch press, gravity machineries such as press, need energy by flywheel directly or by gear transmission to main shaft, drive again towards the post to-and-fro motion, so that workpiece is implemented press work, in flywheel and between the main shaft, need establish in addition with brake clutch, with control flywheel running and stop, general brake clutch can be divided into two kinds of dry type and wet types, dry type is not promptly filled fluid, and only utilize Lay to make frictional force between sheet and the friction plate reach the purpose of brake or clutch, but because the extreme temperatures of moment friction easily causes Lay to make pad wear, reduce working life, be the brake clutch design that gradually is eliminated; Otherwise the wet type brake clutch then is to be infiltrated in the fluid, and Lay makes between sheet and the friction plate, promptly is full of small oily foam, when brake, can reduce the temperature that Lay makes sheet, reduces wear, so its working life is longer, and widely industry is used.

The component relationship of flywheel current and wet type brake clutch then as shown in Figure 3, it is projection one main shaft 40 in board 50, and group is established a brake clutch 6 between main shaft 40 and flywheel 30, this brake clutch 6 has braking device 60 and engaging and disengaging gear 70 simultaneously, and the packing effect by engaging and disengaging gear 70, can make flywheel 30 drive main shaft 40 rotations, otherwise, when releasing out engaging and disengaging gear 70 and enabling braking device 60, flywheel 30 promptly no longer drives main shaft 40, and main shaft 40 is shut down by braking device 60, the assembled state of this brake clutch 6 then as shown in the figure, earlier an axle sleeve 80 is screwed togather with fixing frame 81, again fixing frame 81 is fixed at board 50 1 sides, sheathed bearing 82 outside axle sleeve 80 then, in order to assembling flywheel 30, establish the inner cap 61 of a braking device 60 again in axle sleeve 80 terminal spiral shells, and in the prominent pin 611 of establishing of inner cap 61 peripheries, make sheet 62 to wear brake with Lay, in addition make the friction plate of establishing between the sheet 62 with metal sintering 63 in Lay in twos, and friction plate 63 is to be arranged on several pins 641,641 of pins are to be stretched on cylinder 64 1 sides, cylinder 64 other sides are then organized and are established a movable piston 65, and piston 65 promptly is provided with engaging and disengaging gear 70 with respect to braking device 60 these sides, engaging and disengaging gear 70 is by pin 71,72 link with the bead 31 of flywheel 30 and spring seat 73 respectively, again in outermost, be covered on flywheel 30 1 sides by enclosing cover 43, and establish an oil seal cover 45 that is fixed in enclosing cover 43, utilize nut 42 spiral shells to be located at main shaft 40 ends again, and a choke ring 44 is positioned on the main shaft 40, in addition between cylinder 64 and main shaft 40, reach between cylinder 64 and the spring seat 73 respectively with key 41,731 combinations, and when desiring to make flywheel 30 drive main shaft 40 rotations, may command enters air to be located at the inlet hole 401 at main shaft 40 centers, enter the intake duct 642 of cylinder 64 again via gas transmission road 402, and then passing piston 65 displacement to the right, make the Lay of engaging and disengaging gear 70 make sheet 74 and friction plate 75 friction packings, can make the flywheel 30 of running drive main shaft 40 rotations simultaneously by engaging and disengaging gear 70.

When desire is braked, then release air pressure, make piston 65 by the elastic returning of spring 76 to left dislocation, flywheel 30 promptly no longer drives main shaft 40, and the piston 65 of displacement will force the Lay of braking device 60 to make sheet 62 and friction plate 63 packing frictions, and to make the inner cap 61 of sheet 62 be to maintain static owing to place Lay, thus main shaft 40 is shut down, and reach the brake purpose.

Above-mentioned is the assembled state of present wet type brake clutch, but in maintenance and using process, find problems, for example by shown in the accompanying drawing as can be known, its assembling mode is based on main shaft 40, assembling in regular turn from inside to outside, otherwise, when the wherein a certain damage parts of brake clutch 6, also must be from outermost, by part dissembling inspection of nut 42 beginnings, know that this changes that part, that is each part of the essential dismounting of brake clutch supplier's maintenance man, the part that could will respectively scatter are taken home to detect and are upgraded, re-assembly test again, extremely errorless side takes home again to manufacturer, then takes each part again apart, loads onto the main shaft 40 of gravity machinery piece by piece, so the whole process of changing the outfit need be through taking each part-bring back-detect-assembling test-deliver to manufacturer-take apart-assemble apart, very complicated and time-consuming, reduce working efficiency, and the part that is scattered is lost very easily and is infected with dirt, must seek and clean out again, more lose time.

Moreover, because braking device 60 is to be assembled in the flywheel 30, so its external diameter specification is subject to the bead 31 of flywheel 30 to the center projection, and can not surpass bead 31 internal diameters, the internal diameter of braking device 60 is subject to main shaft 40 specifications again, it is too big to cause the Lay of braking device 60 to make sheet 62 and friction plate 63 not be made as, and reduces its friction area, promptly reduces braking effect.

On the other hand, with existing brake clutch, because each assembly is based on main shaft 40, so its specification also must change according to required main shaft 40 specifications of client, for example the internal diameter of parts such as the axle sleeve among the figure 80, inner cap 61, cylinder 64, piston 65, spring seat 73 promptly needs to cooperate with main shaft 40 and change, and causes the production specification of each part a lot of, causing can't volume production and increase the production control program, and improves manufacture cost.

Be with, existing wet type brake clutch structure is owing to each part is to assemble, design based on main shaft, it is too much to cause dismounting to be difficult for reaching specification, keep in repair and manufacture cost and increase on foot, on the other hand, the improper braking effect that also causes of external diameter design of braking device is not good, and reduces handling safety, and the necessity that is improved is arranged in fact.

The purpose of this utility model mainly is to provide a kind of quick demounting and replacing wet type brake clutch, and it can unload simultaneously with putting in order group brake clutch and flywheel when detecting, and the dismounting operation is very convenient, quick.

Another purpose of the present utility model is to provide a kind of quick demounting and replacing wet type brake clutch, and it can reduce operation and reduce cost.

Another purpose of the present utility model is to provide a kind of quick demounting and replacing wet type brake clutch, and it improves braking effect by increasing friction area.

The technical solution of the utility model is to provide a kind of quick demounting and replacing wet type brake clutch, this clutch pack is located between the main shaft and flywheel of projection in board, this brake clutch comprises a braking device and engaging and disengaging gear, both all are interval with Lay and make sheet and friction plate, with the friction packing, and control by piston between braking device and the engaging and disengaging gear, and between piston and braking device, be provided with cylinder, then be provided with spring seat between braking device and the engaging and disengaging gear, sheet is to utilize a pin and inner cap to link and the Lay of braking device makes, this inner cap is also established with a fixing frame spiral shell, fixing frame then is positioned board, the Lay of engaging and disengaging gear makes sheet then utilize pin and flywheel to link to the bead of center projection, its characteristics are: cylinder is towards the terminal bead of extending of main shaft, and piston and spring seat are the bead external diameters that group is placed in cylinder, between cylinder and the main shaft, and also fix by key respectively between cylinder and the spring seat; And the fixing frame periphery is established with several perforation, is placed through fixing frame and board simultaneously for bolt collar, and other establishes one and can pass bolt collar and be screwed into the holding down bolt of board, and the bolt head external diameter of this holding down bolt is less than the external diameter of bolt collar.

Aforesaid quick demounting and replacing wet type brake clutch, its characteristics are: flywheel is established with concavo-convex dentation to the bead periphery of center projection and is distributed, and the inner cap of braking device and Lay make the sheet periphery, also are made as dentation relatively and distribute.

Major advantage of the present utility model is:

1. disassembly process of the present utility model is very easy, quick, and can effectively reduce work hours, and raises the efficiency.

2. if adapt to the main shaft of different size, as long as change cylinder bore diameter, other spare part size all can be constant, thus but the Dimensions of each part is less volume production and reduce the production control program, promptly reduce manufacture cost.

3. because the erose design of flywheel flange and braking device can strengthen the area that Lay makes sheet, improve braking effect and handling safety.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing, in the accompanying drawing:

Fig. 1 is a plane of the present utility model combination section;

Fig. 2 is the outward appearance decomposing section of part flywheel of the present utility model and inner cap;

Fig. 3 is the plane combination section of conventional clutch.

See also shown in Figure 1, structure of the utility model and manner of execution are roughly identical with traditional product, promptly be provided with the brake clutch of forming by braking device 10 and engaging and disengaging gear 20 1, make and produce the clutch effect between flywheel 30 and the main shaft 40, so no longer satisfy an introduction for its detailed structure content and action, and only described with regard to its emphasis, as shown in the figure, the cylinder of being located between braking device 10 and the engaging and disengaging gear 20 11 extends beads 111 towards main shaft 40 ends, and piston 12 and spring seat 13, bearing 14 grades are bead 111 external diameters that group is placed in cylinder 11, wherein, between cylinder 11 and the main shaft 40, reach between cylinder 11 and the spring seat 13 respectively by key 41,131 is fixing, the inner cap 15 of braking device 10 is then solid with axle sleeve 16 spiral shells, this axle sleeve 16 also is fixed on the fixing frame 17, and fixing frame 17 peripheries are established with several perforation 171, be placed through fixing frame 17 and board 50 simultaneously for bolt collar 18, other establishes one and can pass bolt collar 18 and be screwed into the holding down bolt 181 of board 50, so that bolt collar 18 is fixed on the board 50, and by shown in as can be known, the bolt head external diameter of this holding down bolt 181 is the external diameters less than bolt collar 18, promptly perforation 171 internal diameters than fixing frame 17 are little, fixing frame 17 is not being needed under any bolt of spiral shell pine, can directly pull down, and at ordinary times, fixing frame 17 can be by the assembling of each member, and spiral shell is located at nut 42 location of main shaft 40 ends, unlikelyly deviates from.

Other what deserves to be mentioned is, for the Lay that strengthens braking device 10 makes sheet 19 friction areas, the utility model is established flywheel 30 beads 31 peripheries as illustrated in fig. 2 with concavo-convex dentation and is distributed, and the inner cap 15 of braking device 10 and Lay make sheet 19 peripheries, also being made as dentation relatively distributes, make inner cap 15 and Lay make sheet 19 be assembled in the flywheel 30 by flywheel 30 beads 31, so the existing traditional product of bead 31 internal diameters that is subject to of its external diameter design is for big, therefore can strengthen the external diameter that Lay makes sheet 19 and friction plate 112, and increase both friction area, and then improve braking effect.

From the above, the utility model is done design with wet type brake clutch structure, flywheel 30 is sheathed on the cylinder 11 by enclosing cover 43 and bearing 14,20 of engaging and disengaging gear are mounted on the cylinder 11 by piston 12, and braking device 10 also is linked to cylinder 11, and be mounted on the axle sleeve 16 by inner cap 15, and axle sleeve 16 is solid with fixing frame 17 spiral shells, and fixing frame 17 is sheathed being positioned on the bolt collar 18, so each spare part is all linked with one another, link mutually, when the brake clutch fault and desire when detecting, as long as spiral shell is located at the nut 42 spiral shell pines of main shaft 40 ends, pull down choke ring 44, and key 41, can be with cylinder 11 together with whole group brake clutch 1, flywheel 30 and even fixing frame 17 are together pulled down, take home to take apart to detect and change, treat that the maintenance assembling that finishes again sends manufacturer back to and directly be installed on the main shaft 40, so need only one or two part of dismounting during the maintenance of the utility model desire, can will put in order group brake clutch 1 pulls down, otherwise, as the same during assembling, and do not need need be through taking each part-process such as assembling of each part-bring back-detect-assembling test-deliver to manufacturer-take apart apart as existing product, so disassembly process of the present utility model is very easy, fast, and can effectively reduce work hours, raise the efficiency.

Again owing to parts such as piston 12 of the present utility model, spring seat 13 are mounted on outside the cylinder 11 based on cylinder 11, if adapt to the main shaft 40 of different size, as long as change cylinder 11 internal diameters, other spare part size all can be constant, but the volume production and reduce the production control program so the Dimensions of each part is less promptly reduces manufacture cost.

In addition, because the erose design of flywheel 30 beads 31 and braking device 10 can strengthen the area that Lay makes sheet, improve braking effect and handling safety.

Claims

1. quick demounting and replacing wet type brake clutch, this clutch pack is located between the main shaft and flywheel of projection in board, this brake clutch comprises a braking device and engaging and disengaging gear, both all are interval with Lay and make sheet and friction plate, with the friction packing, and control by piston between braking device and the engaging and disengaging gear, and between piston and braking device, be provided with cylinder, then be provided with spring seat between braking device and the engaging and disengaging gear, sheet is to utilize a pin and inner cap to link and the Lay of braking device makes, this inner cap is also established with a fixing frame spiral shell, fixing frame then is positioned board, the Lay of engaging and disengaging gear makes sheet then utilize pin and flywheel to link to the bead of center projection, it is characterized in that: cylinder is towards the terminal bead of extending of main shaft, and piston and spring seat are the bead external diameters that group is placed in cylinder, between cylinder and the main shaft, and also fix by key respectively between cylinder and the spring seat; And the fixing frame periphery is established with several perforation, is placed through fixing frame and board simultaneously for bolt collar, and other establishes one can pass bolt collar and Lei goes into the holding down bolt of board, and the bolt head external diameter of this holding down bolt is less than the external diameter of bolt collar.

2. quick demounting and replacing wet type brake clutch according to claim 1 is characterized in that: flywheel is established with concavo-convex dentation to the bead periphery of center projection and is distributed, and the inner cap of braking device and Lay make the sheet periphery, also are made as dentation relatively and distribute.