CN2377035Y

CN2377035Y - Circular tooth grinding device

Info

Publication number: CN2377035Y
Application number: CN 99228868
Authority: CN
Inventors: ***
Original assignee: LONGHUTANG MACHINERY HARDWARE FACTORY XINQU DISTRICT CHANGZHOU CITY
Current assignee: LONGHUTANG MACHINERY HARDWARE FACTORY XINQU DISTRICT CHANGZHOU CITY
Priority date: 1999-07-13
Filing date: 1999-07-13
Publication date: 2000-05-10
Anticipated expiration: 2009-07-13

Abstract

The utility model relates to a circular tooth grinding device, which belongs to an important part for a tooth milling machine for machining a high-precision spiral circular tooth wheel. The utility model comprises a computer connected with a step motor and a hydraulic oil cylinder, a motor, a main shaft passing through a rocking table of the tooth milling machine and a change-over oil switch. The main shaft rotates driven by the motor; the main shaft makes horizontal movement driven by the computer, the step motor and a worm wheel pair; the circular tooth wheel are machined by a high-precision grinding wheel grinding head disc. The utility model is provided with a grinding wheel corrector. The computer controls to compensate grinding wheel abrasion loss. The utility model has the advantages of one-off adjustment, accurate precision, convenient operation, high automatization and high safety. The utility model carries out outstanding improvement for a heart part of the tooth milling machine, which is a big progress in circular tooth industries.

Description

The Circular tooth grinding device

The utility model relates to a kind of Circular tooth grinding device, belongs to the grinding attachment of mill teeth machined high-precision spiral gear with curved teeth.

Known 228 type mill teeth machines adopt cutterhead to make gear with curved teeth, but also can only machining software, when metal hardness reaches 35～80 °, just can not mill and process, and after the heat treatment of existing curved tooth part, again can not repair precision, therefore 228 type curved-tooth gear milling machines can't produce the high-precision spiral gear with curved teeth.

The purpose of this utility model is to overcome the problems referred to above of prior art and provide a kind of precision disposable accurate adjustment, and is easy to operate, safe and reliable, collection is mechanical, electrical, hydraulic pressure and computer integrated Circular tooth grinding device.

The purpose of this utility model reaches by following technical measures.

The utility model includes the computer, the motor that are connected with hydraulic jack with stepper motor, pass that cage chair is with the main shaft of two bearings and be connected the commutation oil circuit breaker that has hydraulic valve and switch pin with hydraulic jack through oil pipe.

The left side main shaft that passes mill teeth machine cage chair is provided with belt pulley (6), be contained in cage chair, wale the bolt tool of the bearer ring on the main shaft, back-up ring, the worm gear and the stepper motor that are enclosed within the spring on the main shaft between back-up ring and the bolt tool and are connected successively with main shaft, the main shaft right-hand member is provided with the bistrique dish that emery wheel is housed, belt pulley on the main shaft (6) is connected with belt pulley (4) on the electric electromechanics arbor through belt, on the cage chair left side, truer is housed, this truer is formed by being contained in template that has the oil circuit breaker that commutates on the mill teeth machine cage chair left side and the hydraulic jack that is contained on the cage chair right side, on template, be provided with inverted U-shaped flute profile track, be provided with the roller chain in this track, an end of this roller chain is connected with the main shaft of hydraulic jack with rotating shaft through rocking arm.The roller chain by roller, two ends have the chain sheet in hole, sheet that two ends have through hole cover is formed, each two adjacent roller pin is inserted in each and conspires to create the roller chain in hole and each sheet trepanning in flakes.On two rollers as required, locating piece is housed on the roller chain, on a roller in the centre position of two rollers that locating piece is housed, the diamond pen is housed, this diamond pen is connected with the roller chain with securing member through rocking arm, is with between the securing member of rocking arm and its back-up ring and holds out against spring.

Be contained in the bolt tool that prevents the main shaft play that tightens up main shaft bearing (17) bearing holder (housing, cover) on the cage chair and be made up of upper and lower clip, spring in upper and lower small oil tank, this upper and lower small oil tank and two oil pipes connecting upper and lower small oil tank and hydraulic jack, a pine back is fastening in grinding and emery wheel correction work transfer process.

The belt pulley of motor on belt pulley and belt drive main shaft rotates main shaft, drives stepper motor and the horizontal movement of worm gear drive main shaft according to computer program, carries out gear with curved teeth processing.Wearing and tearing along with emery wheel, by computer control hydraulic jack, its roll sleeve of roller chain nationality in the template inverted U-channel duct rail that the rising of hydraulic jack main shaft is connected with the oil cylinder main shaft slides therein, diamond pen on the roller chain carries out 180 ° correction to emery wheel, when a positioning block on the roller chain is touched the switch pin of commutation oil circuit breaker, hydraulic valve in the commutation oil circuit breaker is carried out commutation, the roller chain stops to slide, the hydraulic jack main shaft descends, the emery wheel of spindle end bistrique dish carries out Circular tooth grinding, circulates grinding one tooth correction emery wheel so repeatedly once.

Compared with the prior art the utility model has following advantage:

1, the utility model adopts the truer correction to go out high accuracy bistrique dish emery wheel, can produce high-precision and the high gear with curved teeth of metal hardness, and precision can reach 5～4 grades.

2, main shaft bistrique seat emery wheel of the present utility model is controlled by computer, hydraulic jack and commutation oil circuit breaker, disposable adjustment, and precision is accurate, easy to operate, the automaticity height, safe and reliable, the heart component of existing mill teeth machine has been realized outstanding improvement, is a quantum leap of curved tooth industry.

The explanation of accompanying drawing drawing:

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of truer.

Fig. 3 is the B-B cutaway view of Fig. 2.

Fig. 4 is the side view of Fig. 2.

Fig. 5 is an A-A cutaway view among Fig. 4.

Fig. 6 is the structural representation of bolt tool.

Following the utility model will describe in detail embodiment (in conjunction with the accompanying drawings).

The utility model shown in Figure 1 includes the computer 23 that is connected with hydraulic jack 12 with stepper motor 22, motor 1 and have hydraulic valve 29 and the commutation oil circuit breaker 28 of switch pin 27, the main shaft 5 that is with bearing (17 and 8) that passes the cage chair 13 of 228 type mill teeth machines is provided with belt pulley 6, be contained in the bolt tool 18 of waling bearer ring 17-1 on the cage chair 13, back-up ring 20, be enclosed within the spring 19 in the elimination gap on the main shaft between back-up ring 20 and the bolt tool 18 and worm gear 21 and the stepper motor 22 that is connected successively with main shaft 5, main shaft 5 right-hand member bearings 8 are provided with the bistrique dish 7 that emery wheel 9 is housed, belt pulley 6 on the main shaft 5 is connected with belt pulley 4 on motor 1 motor shaft 2 through belt 3, and truer 16 is housed on the left side of cage chair 13.

Described truer 16 (see figure 2)s are made up of with the hydraulic jack 12 that is contained on cage chair 13 left sides the template 16-1 that is contained in the oil circuit breaker 28 that commutates having on cage chair 13 left sides.Template 16-1 is provided with inverted U-shaped flute profile track 24, is provided with roller chain 26 in this track 24, and an end of this roller chain 26 is connected with the main shaft 34 of hydraulic jack 12 with rotating shaft 33 through rocking arm 32.

Rolling in the inverted U-shaped flute profile track 24 on the template 16-1 held in both hands chain 26 (seeing Fig. 2 and 3) and is made up of the 26-7 in flakes that roller 26-1, two ends have hole (26-4 and 26-5), and two ends have the sheet cover 26-7 of through hole (26-71 and 26-72), two roller 26-1 pins that each is adjacent and are inserted in respectively in flakes and are concatenated into roller chain 26 among hole (26-4 and the 26-5) and each sheet trepanning (26-71 and 26-72).Locating piece (26-2 and 26-8) is housed on two roller 26-1 as required on the roller chain 26, on a roller 26-1 in the centre position between the roller 26-1 that locating piece (26-2 and 26-8) is housed, diamond pen 25 is housed, this diamond pen 25 is connected (see Figure 4 and 5) with securing member 36 with roller chain 26 through rocking arm 35, is with between the securing member 36 of rocking arm 35 and its back-up ring 38 and holds out against spring 37.

Bolt tool 18 (see figure 6)s on the main shaft 5 bearer ring 17-1 are made up of the lower catch hoop 18-6 on the bearing holder (housing, cover) 17-1 that leans against bearing 17 among the front band 18-5 on the bearing holder (housing, cover) 17-1 that leans against bearing 17 among small oil tank (18-1 and 18-2), the small oil tank 18-1 and spring 18-3, the small oil tank 18-2 and spring 18-4 and the oil pipe (15 and 14) that is connected small oil tank (18-1 and 18-2) and hydraulic jack 12.

Use when implementing, make main shaft 5 horizontal movements and control hydraulic jack 12, by the lifting of the roller chain 26 on the 28 control truers 16 of the commutation oil circuit breaker on hydraulic jack 12 and the template 16 by computer 23 control step motors 22.When mill teeth machine cage chair 13 is made normal positive and negative direction and is rotated, promptly when cage chair is done counterclockwise to rotate, roller chain 26 descends, emery wheel 9 carries out Circular tooth grinding, when cage chair was done the clockwise direction rotation, bistrique dish 7 was return, and roller chain 26 rises, diamond pen 25 on the roller chain 26 is revised emery wheel 9, realizes the automated procedure of grinding and emery wheel correction.

Claims

1, a kind of Circular tooth grinding device, include the computer [23], the motor [1] that are connected with hydraulic jack [12] with stepper motor [22], pass cage chair [13] and be with the main shaft [5] of bearing [17 and 8] and have hydraulic valve [29] and the commutation oil circuit breaker [28] of switch pin [27], it is characterized in that:

A) the left side main shaft [5] that passes cage chair [13] is provided with belt pulley [6], be contained in the bolt tool [18] of waling main shaft [5] upper bearing (metal) ring [17-1] on the cage chair [13], back-up ring [20], the worm gear [21] and the stepper motor [22] that are enclosed within the spring [19] on the main shaft [5] between back-up ring [20] and the bolt tool [18] and are connected successively with main shaft [5], main shaft [5] right-hand member is provided with the bistrique dish [7] that emery wheel [9] is housed, belt pulley [6] on the main shaft [5] is connected with belt pulley [4] on motor [1] motor shaft [2] through belt [3], truer [15] is housed on the left side of cage chair [13]

B) described truer [16] is formed by being contained in template [16-1] that has commutation oil circuit breaker [28] on cage chair [13] left side and the hydraulic jack [12] that is contained on cage chair [13] left side, described template [16-1] is provided with inverted U-shaped track [24], be provided with roller chain [26] in this track [24], an end of this roller chain [26] is connected with the main shaft [34] of hydraulic jack [12] with rotating shaft [33] through rocking arm [32].

2, Circular tooth grinding device according to claim 1, it is characterized in that roller chain [26] is by roller [26-1], two ends have [26-7] in flakes in hole [26-4 and 26-5], two ends have the sheet cover [26-7] of through hole [26-71 and 26-72] and form, each adjacent two roller [26-1] pin is inserted in each and is concatenated into roller chain [26] in hole [26-4 and 26-5] and each the sheet trepanning [26-71 and 26-72] in flakes, on as required two rollers [26-1] on the roller chain [26], locating piece [26-2 and 26-8] is housed, on a roller [26-1] in the centre position of the roller [26-1] that locating piece [26-2 and 26-8] is housed, diamond pen [25] is housed, this diamond pen [25] is connected with roller chain [26] with securing member [36] through rocking arm [35], is with spring [37] between the securing member [36] of rocking arm [35] and its back-up ring [38].

3, Circular tooth grinding device according to claim 1, the bolt tool of waling on main shaft [5] bearer ring [17-1] [18] that it is characterized in that being contained on the cage chair [13] is made up of the oil pipe [15 and 14] that leans against lower catch hoop [18-6] and the spring [18-4] on the bearing holder (housing, cover) [17-1] and be connected small oil tank [18-1 and 18-2] and hydraulic jack [12] that leans against in front band [18-5] and spring [18-3], the small oil tank [18-2] on the bearing holder (housing, cover) [17-1] in small oil tank [18-1 and 18-2], the small oil tank [18-1].