CN101837564A

CN101837564A - Valve grinding machine

Info

Publication number: CN101837564A
Application number: CN 201010189478
Authority: CN
Inventors: 张粹昊; 张宗刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-18
Filing date: 2010-05-18
Publication date: 2010-09-22
Anticipated expiration: 2030-05-18
Also published as: CN101837564B

Abstract

The invention discloses a valve grinding machine, and belongs to the field of repair of auto engine components. The valve grinding machine comprises a lifting mechanism, a motor and a driver, wherein the motor is connected with a grinder by the driver; the grinder comprises a grinder shell, a driving gear, a driving shaft and one or more grinding terminals; and each grinding terminal comprises a driven gear and a driven shaft, wherein the bearing of the driven shaft is provided with a directional sliding slot and a return spring, the directional sliding slot is connected with a bumping shaft provided with a directional sliding key of which the shape is matched with that of the directional sliding slot, and the lower end of the bumping shaft passes through a cam disc and then is connected with a sucking disc. By improving the internal structure of the conventional grinding machine, the valve grinding machine can simultaneously grind one or more valves, improves the abrasion resistance and the working efficiency, and can reduce the occurrence of failure of the grinding machine, meanwhile, the valve grinding machine has the advantages of low energy consumption, simple structure, convenient operation, easy popularization.

Description

A kind of valve grinder

Technical field

The present invention relates to the repairing field of automotive engine component, especially a kind of valve grinder.

Background technology

Valve grinder in the market roughly is divided into two kinds, a kind of is small-sized portable electric valve grinder, and this grinder power is little, and narrow application range, can only be applicable to the grinding of a valve, another is large-scale grinder, though thisly can grind a plurality of valves, complex structure simultaneously, be not easy operation, the simultaneous faults incidence is also higher, and cost is not easy to promote also than higher.

Summary of the invention

Technical assignment of the present invention is at not enough in the above-mentioned technology, and a kind of valve grinder is provided.

The technical scheme that technical solution problem of the present invention is adopted is: a kind of valve grinder, comprise elevating mechanism, motor and driver, motor links to each other with mill by driver, described mill comprises the mill shell, driving gear, driving shaft and abrasive tip, described abrasive tip is one or more, this abrasive tip comprises driven gear and driven shaft, wherein on the bearing of described driven shaft, be provided with directed sliding tray and back-moving spring, described directed sliding tray is connected with and collides axle, this collision axle is provided with the directed slide key that matches with described directed sliding tray shape, and described collision axle lower end is passed cam disc and linked to each other with sucker.

Described abrasive tip is one or more, can grind one or more valves simultaneously.Quantity that like this can the regulated at will abrasive tip is ground required to adapt to the engine components that are provided with different air valve quantity, be provided with overcoat and following overcoat simultaneously in the abrasive tip outside, be used for guaranteeing that the collision axle on driven shaft and the driven shaft is unlikely to do significantly swing, the described overcoat of going up adopts the reverse thread connection with being connected of following overcoat, can prevent becoming flexible between the upper and lower overcoat that the rotation because of the abrasive tip internal part causes like this.

Be provided with the casing lining between described abrasive tip below and the mill shell, this casing lining is provided with and the corresponding to fixing bucket of abrasive tip number, on each fixing bucket, all be provided with the abrasive tip anchoring filament, this abrasive tip anchoring filament flexibly connects with fixing bucket, can regulate the height of each abrasive tip according to actual needs by it.

Be provided with the casing lining between described abrasive tip below and the mill shell, this casing lining can play the impaired effect of friction between abrasive tip overcoat and the mill shell that prevents; This casing lining is provided with driving shaft bottom end bearing outer cover plate, prevents that the lubricant in the casing lining from flowing out casing, cuts the waste; Can also prevent that the driving shaft bottom end bearing comes off because of rotating at a high speed in grinder work, influence the grinder operate as normal; Also be provided with on the casing lining simultaneously and the corresponding to fixing bucket of abrasive tip number, all be provided with the abrasive tip anchoring filament on each fixing bucket, this abrasive tip anchoring filament flexibly connects with fixing bucket.

Described driven shaft is provided with mesopore, both can be by mesopore to the inner lubricating oil that injects of abrasive tip, lubricated abrasive tip internal works, air that can also penetrating abrasive tip inside prevents to collide in the driven shaft space of axle top producing atmospheric pressure effect, and what influence collided spool rises and falls, the side opening that is provided with on the driven gear, be to be used for preventing that the lubricating oil that injects from spilling when high-speed gear rotates easily, cause the lubricating oil waste, result of use is not good.

Oil sealing on the bearing of driven shaft can prevent that also the driven shaft lubricant from flowing into abrasive tip inside simultaneously, equally also is in order to reduce the waste of lubricant.

Described collision axle lower end is provided with groove, so that better fixing sucking disk makes sucker be not easy to fall.

Described cam disc is provided with one or more curved surface lifting teeth, this shape helps colliding rising and falling of axle, solved the problem that the corrugated lifting tooth of existing cam disc is worn easily, and in cam disc, be provided with the cam disc lining, can effectively avoid because of colliding the directly middle Kong Bianda of cam disc that causes of friction mutually of axle and cam disc, thereby influence the problem of grinder operate as normal.

The beneficial effect that the present invention can bring is:

One, the abrasive tip internal structure is reasonable in design, makes that the grinder rate of breakdown is low, and abrasion resistance is strengthened.

Two, simple in structure, operation is with low cost easily, promotes easily.

Three, adopt the design of one or more abrasive tips, can give a plurality of valve grindings simultaneously, especially when abrasive tip is four, can well be used for help bavin 190 valves, Weihe River bavin 170 valves etc.;

Description of drawings

Fig. 1, be the overall schematic of the present invention of example with four abrasive tips;

Fig. 2, with the structural representation of four abrasive tips mill (not containing the mill shell) that is example;

Fig. 3, with the vertical view of four abrasive tips mill (not containing the mill shell) that is example;

Fig. 4, abrasive tip cutaway view;

Fig. 5, with four abrasive tips casing lining front view that is example;

Fig. 6, with four abrasive tips casing lining vertical view that is example;

Fig. 7, be the casing lining vertical view that has driving shaft bottom end bearing outer cover plate of example with four abrasive tips;

Fig. 8, driven gear front view;

Vertical view when Fig. 9, driven gear and driven shaft link together;

Figure 10, with two curved surface lifting teeth cam disc structure chart that is example;

Figure 11, collision axle construction figure;

The specific embodiment

Below in conjunction with accompanying drawing, the present invention is done following detailed description:

Shown in top accompanying drawing, the invention discloses a kind of valve grinder, comprise elevating mechanism 1, motor 2 and driver 3, motor 2 links to each other with mill 4 by driver 3, described mill 4 comprises mill shell 5, driving gear 31, driving shaft 30 and abrasive tip 29, described abrasive tip 29 is one or more, this abrasive tip comprises driven gear 9 and driven shaft 10, wherein on the bearing of described driven shaft 10, be provided with directed sliding tray 11 and back-moving spring 12, described directed sliding tray 11 is connected with and collides axle 13, this collision axle 13 is provided with the directed slide key 14 that matches with described directed sliding tray 11 shapes, described collision axle 13 lower ends are passed cam disc 15 and are linked to each other with sucker 16, and are provided with groove 20 in these collision axle 13 lower ends.

Described abrasive tip 29 is one or more, can grind one or more valves simultaneously.Simultaneously abrasive tip 29 outsides be provided with overcoat 17 and following overcoat 18 described on overcoat 17 and following overcoat 18 be connected the connection of employing reverse thread.Be provided with casing lining 22 between described in addition abrasive tip 29 belows and the mill shell 5, position, described casing lining 22 bosom is provided with driving shaft 30 bottom end bearing outer cover plates 25, be provided with and the corresponding to fixing bucket 23 of abrasive tip 29 numbers around the center on this casing lining 22 simultaneously, all be provided with abrasive tip anchoring filament 24 on each fixing bucket 23, this abrasive tip anchoring filament 24 flexibly connects with fixing bucket 23.

Described driven shaft 10 is provided with mesopore 19 and oil sealing 21, and driven gear 9 is provided with side opening 26, and described cam disc 15 is provided with one or more curved surface lifting teeth 28, and is provided with cam disc lining 27 in cam disc 15.

The thickness of described in addition driving gear 31 is greater than the thickness of driven gear 9, when regulating each abrasive tip 29 height, leaves corresponding adjustment space for the variation of driven gear 9 height.

Concrete use is as follows: start drive driving shaft 30 by motor 2, driving gear 31 drives with it the driven gear 9 of interlock mutually, and driven shaft 10 begins rotation accordingly, and each abrasive tip 29 is started working like this.The rotation of driven shaft 10 makes the collision axle 13 in the directed sliding tray 11 rotate thereupon, thus, directed slide key 14 lower ends on the collision axle 13 are just along moving up and down that the curved surface lifting tooth 28 on the cam disc 15 does not stop, when the directed slide key 14 on colliding axle 13 rises, whole collision axle 13 begins to rise, colliding the fixing sucker 16 in axle 13 lower ends just adsorbs valve and carries on together, when the directed slide key 14 on colliding axle 13 becomes the decline state by propradation, whole collision axle 13 begins to descend, by the elastic force that collides back-moving spring 12 in the axle 13 valve is patted on valve seating simultaneously, so far circulation finishes, and then repeats above-mentioned lifting process and finish until grinding.

The present invention makes that by the appropriate design of abrasive tip 29 internal structures operation is simpler, has reduced the rate of breakdown of grinder, has improved its abrasion resistance, makes grinding efficiency higher, and whole grinder volume is not very big simultaneously, is easy to carry.Especially when used abrasive tip 29 is four, can well be that valves such as Ji bavin 190, Weihe River bavin 170 are used.

Claims

1. valve grinder, comprise elevating mechanism, motor and driver, motor links to each other with mill by driver, described mill comprises the mill shell, driving gear, driving shaft and abrasive tip, described abrasive tip is one or more, this abrasive tip comprises driven gear and driven shaft, it is characterized in that: on the bearing of described driven shaft, be provided with directed sliding tray and back-moving spring, described directed sliding tray is connected with and collides axle, this collision axle is provided with the directed slide key that matches with described directed sliding tray shape, and described collision axle lower end is passed cam disc and linked to each other with sucker.

2. a kind of valve grinder according to claim 1 is characterized in that: be provided with overcoat and following overcoat in the abrasive tip outside, describedly go up that the employing reverse thread is connected between overcoat and the following overcoat.

3. a kind of valve grinder according to claim 1, it is characterized in that: be provided with the casing lining between described abrasive tip below and the mill shell, this casing lining is provided with driving shaft bottom end bearing outer cover plate, and be provided with fixing barrel, all be provided with the abrasive tip anchoring filament on each fixing bucket, this abrasive tip anchoring filament flexibly connects with fixing bucket.

4. a kind of valve grinder according to claim 1 is characterized in that: described driven shaft is provided with mesopore, and is provided with one or more side openings on described driven gear, and the bearing of driven shaft is provided with oil sealing simultaneously.

5. a kind of valve grinder according to claim 1 is characterized in that: described collision axle lower end is provided with groove.

6. a kind of valve grinder according to claim 1 is characterized in that: described cam disc is provided with lifting tooth, is provided with the cam disc lining simultaneously in cam disc.

7. a kind of valve grinder according to claim 6 is characterized in that: described lifting tooth is one or more curved surface lifting teeth.