CN200967256Y

CN200967256Y - Electric lifting B-type central mechanism of tyre vulcanizer

Info

Publication number: CN200967256Y
Application number: CN 200620035344
Authority: CN
Inventors: 黄建中; 欧阳波
Original assignee: Guilin Rubber Machinery Factory
Current assignee: Guilin Rubber Machinery Factory
Priority date: 2006-08-14
Filing date: 2006-08-14
Publication date: 2007-10-31
Anticipated expiration: 2016-08-14

Abstract

The utility model relates to a B-type center apparatus of tire vulcanizer electric lifting. The pipe body of the center apparatus is provided with a center guide rod lifting up and down; the center guide rod is connected with the top rod moving up and down at the bottom of the pipe body through an elastic joint; the top rod is provided with a driving gear rack; the driving gear wheel on a motor drives the riving gear rack (the top rod) to move up and down; the top rod drives the center guide rod of the center apparatus to move up and down correspondingly through the elastic joint. The utility model realizes the designated function of traditional hydraulic pressure B-type center apparatus.

Description

The Type B central authority of tyre vulcanizer electric up-down

(1) technical field:

The utility model relates to a kind of Type B central authority of Type B central authority, particularly a kind of electric up-down of tyre vulcanizer.

(2) background technology:

The present widely used hydraulic type Type B of domestic each tire plant central authority, its operation principle is a water vat body that upper and lower piston is arranged, when press water is intake below lower piston, lower piston rises, promoting upper piston rises together, upper piston makes capsule stretching, when press water is intake above lower piston, capsule descends with lower piston and shrinks, when chuck contacts with the typing guide to capsule, the lower piston stop motion, at this moment upper piston can not descend because of the effect of the water that is stressed, and this has just controlled the typing height of fetus.Thereafter, upper and lower piston descends under the pressure of first model simultaneously, up to the vulcanizer closure.

The advantage of hydraulic type Type B central authority is good to neutrality, and typing is accurate, so use wider.

The shortcoming of hydraulic type Type B central authority is: sealing device is more, and the leakage possibility is big, and hydraulic pressure control piper more complicated need change different typing sleeves and adjust cover the capsule of different size, and the cylinder body manufactured materials requires to be stainless steel, cost height.

(3) summary of the invention:

Exist sealing device more in order to overcome traditional water pressure type Type B central authority, the leakage possibility is big, change sealing ring, typing sleeve and adjustment cover difficulty, problems such as control piper complexity, the Type B central authority of the utility model electric up-down, adopt electric device to drive executing agency, by the stretching and shrink of actuating mechanism controls capsule, do not need power water, so central authority need not to adopt stainless steel material; Can thoroughly solve simultaneously central authority power water leaks to capsule and causes the damaged tire problem.

The technical scheme of this employing of Type B central authority that can realize the tyre vulcanizer electric up-down of above-mentioned purpose is: described executing agency is included in the centre pilot of free oscilaltion in the fixing body and elastomeric joint and moves both vertically in the body lower end and can enter push rod in the body, and the centre pilot lower end is connected with the upper end of push rod by elastomeric joint.Described drive unit comprises motor, motor cabinet, the driven wheel of band brake, wherein motor cabinet is fixed on the bottom of body, the motor of band brake is connected on the motor cabinet, the driving rack that is provided with on the coaxial driven wheel that is fixed with on the output shaft of the motor of band brake, driven wheel and push rod is meshed.

This shows that moving both vertically up and down of push rod controlled by motor drive mechanism.Drive by push rod, elastomeric joint that centre pilot is corresponding to move up and down, realize the stretching of capsule, the once setting of typing height, the self adaptation of secondary typing height has satisfied the appointed function of Type B central authority.

The frame mode of elastomeric joint is various, comparatively simple a kind of elastomeric joint comprises compression spring, compression pogo barrel, connection gasket, limited cover, wherein: the compression spring places in the compression pogo barrel with one heart, the compression pogo barrel is set in the body versatilely, and the connection gasket that is placed in the body is positioned at compression pogo barrel bottom; The centre pilot lower end is stretched into to compress and is pressed in compression spring upper end in the pogo barrel, and the lower end roof pressure of compression spring is on connection gasket, and limited cover is fixed on the compression spring housing mouth of pipe, to prevent centre pilot and to compress separating of pogo barrel; Connection gasket is connecting the top of push rod downwards.

Also be provided with relative with driven wheel and vertically arranged orienting roll wheels on the motor cabinet, the orienting roll wheels are made up of a plurality of rollers, and orienting roll wheels and push rod are near contacting; The position qualification effect that orienting roll wheels and driven wheel are common is guaranteeing the vertical up-or-down movement of push rod.

The bottom of push rod also is provided with collision block, and collision block and responding to mutually near switch of aside being provided with are connected with the motor of band brake by circuit near switch.In fact the centre pilot rise and fall stop can be by the collision block inductive proximity switch on the push rod, and the stopping of the motor of control band brake finished.

The beneficial effects of the utility model

1, overcome the shortcoming that traditional water pressure type Type B central authority exists, it is good to keep Type B central authority centering performance, the performance accurately of finalizing the design, and simple in structure, easy to operate, maintenance is saved the energy easily.

2, it is more to have solved traditional hydraulic type Type B central authority sealing device, and the control piper complexity is leaked the big difficult problem of possibility.

(4) description of drawings:

Fig. 1 is the Facad structure schematic diagram of a kind of embodiment of the utility model.

Fig. 2 is the side structure schematic diagram of Fig. 1 embodiment.

Figure number sign: 1, body, 2, centre pilot, 3, elastomeric joint, 3-1, compression spring, 3-2, compression pogo barrel, 3-3, connection gasket, 3-4, limited cover, 4, push rod, 5, the motor of band brake, 6, motor cabinet, 7, driven wheel, 8, driving rack, 9, orienting roll wheels, 10, collision block, 11, near switch, 12, capsule.

(5) specific embodiment:

In Fig. 1, Fig. 2, body 1 vertical fixing is installed, and the bottom of body 1 is fixedly connected with motor cabinet 6, and motor cabinet 6 is that [shape, the end face of concrete is motor cabinet 6 is fixedlyed connected with the bottom of body 1.

In body 1 endoporus elastomeric joint 3 is installed, elastomeric joint 3 comprises compression spring 3-1, compression pogo barrel 3-2, connection gasket 3-3, limited cover 3-4, wherein in proper order upwards arranges from the bottom of body 1 with the movable connection gasket 3-3 that cooperates of body 1 endoporus, compression pogo barrel 3-2; Centre pilot 2 is the step axle, the diameter of its bottom is greater than the diameter of bar portion, centre pilot 2 stretches into from the upper end of body 1, the major part axle head of centre pilot 2 bottoms coincide movable set in compression pogo barrel 3-2 endoporus, and being pressed in the upper end of compressing the compression spring 3-1 of arranged concentric in the pogo barrel 3-2 endoporus, the bottom of compression spring 3-1 is pressed on the connection gasket 3-3; The upper port of compression pogo barrel 3-2 is fixed with limited cover 3-4, and limited cover 3-4 is stuck in the axle journal place of centre pilot 2 stub ends; Stretch outside body 1 on the top of centre pilot 2.

As shown in Figure 1 and Figure 2, push rod 4 is in vertical installment state, [motor cabinet 6 of shape and connection gasket 3-3 hinge are passed in the top of push rod 4, equidirectional driving rack 8 also is being set on the shaft of push rod 4, driving rack 8 can be directly to be opened in push rod 4, also can adopt the method for inlaying tooth bar, the position of driving rack 8 is back to [the vertical medial surface of the motor cabinet 6 of shape.

Above-mentioned body 1, centre pilot 2, elastomeric joint 3 and push rod 4 have constituted executing agency of the present utility model.

The motor 5 of band brake be installed in [in the semiclosed framework of the motor cabinet 6 of shape, the coaxial driven wheel 7 that connecting firmly on motor 5 output shafts of band brake, under correct installation site condition, driven wheel 7 just with driving rack 8 engagement; [vertically be installed on the orienting roll wheels of forming by two rollers 9 on the vertical medial surface of the motor cabinet 6 of shape, the wheel face of orienting roll wheels 9 just with push rod 4 near contacting.The motor 5 of above-mentioned band brake, motor cabinet 6, driven wheel 7 have constituted Vidacare corp of the present utility model.

As shown in Figure 1 and Figure 2, the push rod 4 of driving rack 8 lower ends is provided with collision block 10; As shown in Figure 1, [be respectively equipped with two near switch 11 on the downward vertical support frame that connects in the bottom surface of the motor cabinet 6 of shape, can respond near also producing mutually with collision block 10, be connected with the motor 5 of band brake by circuit near switch 11 near switch 11.

The course of work of the Type B central authority of the utility model tyre vulcanizer electric up-down is: after the tire demoulding, the motor 5 of band brake drives driven wheel 7, it is that push rod 4 moves upward that driven wheel 7 drives driving rack 8, push rod 4 drives centre pilot 2 by elastomeric joint 3 and rises, capsule 12 is stretching, the collision block 10 of push rod 4 bottoms rises with push rod 4, when its position reaches the desired location of centre pilot 2 risings, what the control rising stopped responds to collision blocks 10 near switch 11, send the motor signal that shuts down, motor 5 braking of band brake stops, and capsule 12 is stretching to assigned address and keep this position.During pre-setting, motor 5 driven gears 7 of band brake, it is that push rod 4 moves downward that driven wheel 7 drives driving rack 8, push rod 4 drives centre pilots 2 by elastomeric joint 3 and overcomes typing pressure and act on the lift that chuck causes and move downward, because typing pressure acts on the lift that chuck causes, elastomeric joint 3 is temporarily inoperative.When center guide rod 2 drops to once the typing height, the collision block 10 of push rod 4 bottoms also drops to the centre pilot 2 decline off-positions of setting and puts, what control decline stopped senses collision block 10 near switch 11, send the motor signal that shuts down, motor 5 brakings of band brake stop, centre pilot 2 drops to assigned address and keeps this position, satisfies the once status requirement of typing.The height adaptive of secondary typing, elastomeric joint 3 by 2 of push rod 4 and centre pilots is finished, its principle is as follows: the vulcanizer matched moulds, patrix will be gone up chuck and further press to die height, in this process, driving rack 8 is that push rod 4 is under the motor 5 brake apparatus effects of band brake, akinesia, centre pilot 2 is depressed under last chuck, overcomes the tension force that compression spring 3-1 compression produces in typing upwards active force that pressure produced and the elastomeric joint 3, and the compression spring 3-1 in the elastomeric joint 3 is depressed, the decrement of compression spring 3-1 promptly is the self adaptation amount of secondary typing, its value is 20mm～80mm, and big tire gets the small value, and little tire is got big value.When compression spring 3-1 is installed, should consider certain pre compressed magnitude, its stiffness coefficient should guarantee under this pre compressed magnitude, the tension force that compression spring 3-1 compression produces can overcome the deadweight of centre pilot 2 and last chuck, with centre pilot 2 jack-up upwards, gap between the locating surface of elimination centre pilot 2 major part axle head axle journals and the limited cover 3-4 locating surface of elastomeric joint 3, the stretching positional precision of assurance capsule 12.

Claims

1, the Type B central authority of tyre vulcanizer electric up-down, comprise that capsule (12) stretches and the executing agency of shrinking and the drive unit of executing agency, it is characterized in that: described executing agency is included in the centre pilot (2) and the elastomeric joint (3) of the fixedly interior oscilaltion of body (1) and can enters the interior push rod (4) of body (1) from body (1) bottom, and centre pilot (2) lower end is connected with the top of push rod (4) by elastomeric joint (3); Described drive unit comprises motor (5), motor cabinet (6), the driven wheel (7) of band brake, wherein motor cabinet (6) is fixed on the bottom of body (1), the motor of band brake (5) is connected on the motor cabinet (6), the coaxial driven wheel (7) that is fixed with on the output shaft of the motor of band brake (5), driven wheel (7) is meshed with the driving rack (8) that push rod (4) is provided with.

2, the Type B central authority of tyre vulcanizer electric up-down according to claim 1, it is characterized in that: elastomeric joint (3) comprises compression spring (3-1), compression pogo barrel (3-2), connection gasket (3-3), stop collar (3-4), wherein compressing spring (3-1) places in the compression pogo barrel (3-2) with one heart, compression pogo barrel (3-2) is set in the body (1), and connection gasket (3-3) is positioned at compression pogo barrel (3-2) bottom; Centre pilot (2) lower end is stretched into and is pressed in compression spring (3-1) upper end in the compression pogo barrel (3-2), prevent that the limited cover (3-4) that centre pilot (2) separates with compression pogo barrel (3-2) is fixed on compression pogo barrel (3-2) mouth, the lower end roof pressure of compression spring (3-1) is on connection gasket (3-3), and connection gasket (3-3) is connected with the top of push rod (4) downwards.

3, the Type B central authority of tyre vulcanizer electric up-down according to claim 1 and 2, it is characterized in that: motor cabinet (6) is provided with relative with driven wheel (7) and vertically arranged orienting roll wheels (9), and orienting roll wheels (9) and push rod (4) are near contacting.

4, the Type B central authority of tyre vulcanizer electric up-down according to claim 1 and 2, it is characterized in that: the bottom of push rod (4) is provided with collision block (10), one side of collision block (10) be provided with it induction mutually near switch (11), be connected with the motor (5) of band brake by circuit near switch (11).