CN2178594Y

CN2178594Y - Grinding wheel feed device of surface grinding machine

Info

Publication number: CN2178594Y
Application number: CN 93216095
Authority: CN
Inventors: 张宝源; 张宝铭
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-06-15
Filing date: 1993-06-15
Publication date: 1994-10-05
Anticipated expiration: 2003-06-15

Abstract

The utility model relates to a grinding wheel feed device of a plane grinding machine, mainly comprising a main feed mechanism, a grinding wheel seat, and a minitype feed mechanism, wherein, the main feed mechanism is controlled by a motor, and the raising position and the lowering position of the grinding wheel can be adjusted by a screw rod. A connecting rod is driven by the minitype feed mechanism through an electromagnetic valve to do reciprocating movement, and a shifting claw pivoted on the connecting rod can follow the connecting rod to swing. A gear connected with the main feed mechanism is pushed to do swing with appropriate amplitude towards a presetting direction, and the grinding wheel feed device of a plane grinding machine achieves slight feed efficiency.

Description

Grinding wheel feed device of surface grinding machine

The utility model is relevant with surface grinding machine, is meant a kind of emery wheel feed arrangement of surface grinding machine especially.

It drives the grinding wheel stand move mode by general surface grinding machine, the most original being designed to rotated a handwheel with manual mode, move to force grinding wheel stand to do rising or descend on this surface grinding machine, present modal mode is then for utilizing motor and screw rod to make its upper and lower moving; Because with its accuracy extreme difference of manual mode effector, therefore how need not at present, then because it only can make this grinding wheel stand stop on the preposition, therefore, the emery wheel when using on it will can't grind work accurately owing to wearing and tearing with the motor driver.

The purpose of this utility model promptly is to provide a kind of emery wheel feed arrangement of surface grinding machine, its very slowly mode make moving of fine motion formula to force emery wheel on it to change its position.

For reaching aforesaid purpose, the utility model system provides a kind of emery wheel feed arrangement of surface grinding machine, consist predominantly of: a master enters mechanism, comprise that a driving shaft is hubbed on the predetermined position of this surface grinding machine and driven by a motor, one power transmission shaft is driven by this driving shaft and rotates, and a screw rod is hubbed on the predetermined position of this surface grinding machine and driven by this power transmission shaft and can be along its axially upper and lower moving; One grinding wheel stand is located at the upper end of this screw rod, make to do upper and lower moving on this surface grinding machine with it, and its predetermined position is provided with an emery wheel; One micro-feed mechanism, have: a rocking arm is hubbed at an end of this driving shaft, one gear is fixedly arranged on an end of this driving shaft, one connecting rod is located on this surface grinding machine and can be reciprocatingly moved along predetermined direction, one pusher dog is hubbed on this rocking arm with its position, stage casing, its lower ending pivot is located on this connecting rod, and the upper end then is made as the prominent shape of the point that can wedge this gear periphery, and a spring is located at respectively between this rocking arm and this surface grinding machine with its two end; Rely on above-mentioned structure, make this main feed mechanism can drive this grinding wheel stand and move to preposition rapidly, this little feeding machine cake then can be when this connecting rod whenever moves back and forth one time, promptly rotate to force this gear to do a low-angle thereupon, to reach the little feeding effect that slowly moves this grinding wheel stand via this pusher dog upper end.

Now lift the preferred embodiment of a creation, and cooperate graphic be described in further detail as follows, wherein:

Fig. 1 is that the utility model one preferred embodiment is used in the front view on the surface grinding machine.

Fig. 2 is the cutaway view of the utility model one preferred embodiment along 2-2 direction among Fig. 1.

Fig. 3 is the cutaway view of the utility model one preferred embodiment along 3-3 direction among Fig. 2.

Fig. 4 is the cutaway view of the utility model one preferred embodiment along 4-4 direction among Fig. 3.

Fig. 5 is the cutaway view of the utility model one preferred embodiment along 5-5 direction among Fig. 3.

It is graphic to see also each, surface grinding machine emery wheel feed arrangement of the present utility model (10) includes: be located at the main feed mechanism (14) on this surface grinding machine (12), controlled by this main feed mechanism (14) and can a upper and lower mobile grinding wheel stand (16), and after this main feed mechanism (14) stops action, can drive the micro-feed mechanism (18) that this grinding wheel stand (16) moves equally.

This main feed mechanism (14), include: a driving shaft (20) is hubbed at the side of this surface grinding machine (12), its stage casing (22) is made as the scroll bar shape, one first belt pulley (24) is fixedly arranged on the left end of this driving shaft (20), one motor (26) is fixedly arranged on the side of this surface grinding machine (12) and is positioned under this driving shaft (20), its force-output shaft is provided with one second belt pulley (28), and one drives belt (30) is located at respectively between this first, second belt pulley (24) (28); One power transmission shaft (32) is hubbed at the top of this surface grinding machine (12), one whirlpool gear (34) is fixed in the front end of this power transmission shaft (32) and meshes with this scroll bar (22), one first helical gear (36) is fixed in this power transmission shaft (32) rear end, one second helical gear (38) is hubbed on this surface grinding machine (12), and with this first helical gear (36) bridle joint, one screw rod (40) spiral shell is located at the central authorities of this second helical gear (38), make at this second helical gear (38) when predetermined direction rotates, can force this screw rod (40) axially on this surface grinding machine (12), to be done along it, move down.

This grinding wheel stand (16), be located at the upper end of this screw rod (40) with its lower ending pivot, and can in this be located at this surface grinding machine (12) one of go up track (42) between upper and lower moving, its inside is provided with a motor (not being shown in figure), and is fixed with an emery wheel (44) in its front end.

This micro-feed mechanism (18), include: a rocking arm (50) is hubbed at the right-hand member of this driving shaft (20), one push rod (52) is located at the lower end side of this rocking arm (50), one gear (54) is fixed in the right-hand member of this driving shaft (20), one spring (56) is fixed between this rocking arm (50) lower end and this surface grinding machine (12) with its two end, one connecting rod (58) is fixed on the magnetic valve (not being shown in figure), and can move back and forth in this gear (54) below along continuous straight runs, one pusher dog (60) is hubbed at this rocking arm (50) lower end side with its position, stage casing, its lower end has one to be hubbed on this connecting rod (58), and be resisted against on this push rod (52) periphery with its outboard end, its upper end then is made as can wedge the prominent shape of intermarginal point of this gear (54) week; One block (62) is fixed in this rocking arm (50) upper end side, one knob (64) is hubbed on the suitable position of this surface grinding machine (12) with its upper end, its lower end semicircular in shape shaft-like, and just be positioned at this rocking arm (50) top and corresponding with this bracer (62).

During use, this main feed mechanism (14) is by starting this motor (26) and via respectively this first, second belt pulley (24) (28) and driving belt (30), and respectively this driving shaft (20), power transmission shaft (32), screw rod (40) can compel to see the upper and lower position that moves to setting of this grinding wheel stand (16), so that carry out grinding operation.

Because this emery wheel (44) its outer rim in the process of grinding will produce the abrasion phenomenon, still can keep grinding state accurately for making it to surface of the work, therefore after this main feed mechanism (14) moves to the position of setting with this grinding wheel stand (16), this micro-feed mechanism (18) starts immediately, and this grinding wheel stand (16) is moved down with speed very slowly.

This micro-feed mechanism (18) is when action, system drives in the initial stage stroke that this connecting rod (52) advances thereupon swing and with its terminal this gear (54) periphery of wedging this magnetic valve by the circuit of setting in reasonable time, and continue to move in the process of advancing in this connecting rod (52), swing a little angle and drive this gear (54) with this driving shaft (20) thereupon; thereupon The position, upper end of this pusher dog (60) hightails outside the periphery of this gear (54), and backswing is to original position, to carry out little feed motion next time during stroke phase after shrink back backward when this connecting rod (52).

After this pusher dog (60) discharges this gear (54) rotation, this rocking arm (50) is drawn by this spring (56) promptly and is rocked to original position thereupon, and when it is rocked to predetermined angular, the block (62) of its upper end will prop up the lower end of this knob (64), make this connecting rod (52) can't continue to retreat, limit this connecting rod (52) advance and retreat stroke from forming, and control this gear (54) purpose of rotational angle each time.

Especially it is noted that, because the lower end semicircular in shape of this knob (64) is shaft-like, therefore rely on by control the position after it is rotated, arc surface (641) and plane (642) that can be on it, make them different thereupon, can be adjusted to purpose with two kinds of little feed distances of difference in order to reach with distance between this block (62).

Claims

1, a kind of emery wheel feed arrangement of surface grinding machine is characterized in that:

One main feed mechanism, have: a driving shaft is hubbed on the predetermined position of this surface grinding machine and driven by a motor, one power transmission shaft is driven by this driving shaft and rotates, and a screw rod is hubbed on the predetermined position of this surface grinding machine and driven by this power transmission shaft and can be along its axially upper and lower moving;

One grinding wheel stand is located at the upper end of this screw rod, make to do upper and lower moving in the interorbital that is located at this surface grinding machine in advance with it, and its predetermined position is provided with an emery wheel;

One micro-feed mechanism, have: a rocking arm is hubbed at an end of this driving shaft, one gear is fixedly arranged on an end of this driving shaft, one connecting rod is located on this surface grinding machine and can be reciprocatingly moved along predetermined direction, one pusher dog is hubbed on this rocking arm with its position, stage casing, its lower ending pivot is located on this connecting rod, and the upper end then is made as the prominent shape of the point that can wedge this gear periphery after beginning to swing immediately, and a spring is located at respectively between this rocking arm and this surface grinding machine with its two end;

By above-mentioned structure, make this main feed mechanism can drive this grinding wheel stand and move to preposition rapidly, this micro-feed mechanism then can promptly force this gear with doing a low-angle rotation, to reach the little feeding effect that slowly moves this grinding wheel stand when this connecting rod whenever moves back and forth one time.

2, according to the emery wheel feed arrangement of the described surface grinding machine of claim 1, it is characterized in that: wherein be pivoted with a knob on the predetermined position of this surface grinding machine, this is helped and then is fixed with a block on the arm, and when making this block be rocked to predetermined angular with this rocking arm, can prop up the predetermined position of this knob, use and limit its oscillating stroke.

3, according to the emery wheel feed arrangement of the described surface grinding machine of claim 2, it is characterized in that, wherein this knob corresponding to the position of this block for having one of predetermined length half-round rod, in order to do the relative distance that can change by this knob of rotation between its periphery and this block.

4, according to the emery wheel feed arrangement of the described surface grinding machine of claim 1, it is characterized in that: wherein this connecting rod links to each other with an electric valve, and can reciprocatingly move under its control.

5, according to the emery wheel feed arrangement of the described surface grinding machine of claim 1, it is characterized in that: wherein this drive rod links to each other with driving belt by belt pulley with this motor, to transmit its power.

6, according to the emery wheel feed arrangement of the described surface grinding machine of claim 1, it is characterized in that: wherein this driving shaft is provided with a scroll bar, this power transmission shaft is fixed with a whirlpool gear with respect to an end of this driving shaft, the other end of this power transmission shaft is provided with one first helical gear, one second helical gear be hubbed on the predetermined position of this surface grinding machine and with this first helical gear bridle joint, and can supply this position, screw rod spiral shell centre located therein.