CN210209770U - Negative chamfering tool and chamfering device for blade - Google Patents

Abstract

The utility model provides a blade burden chamfer frock and chamfer device, wherein blade chamfer frock, including stopper, side piece, sloping block, the stopper sets up in sloping block front end and corresponds with the inclined plane of sloping block, and two side pieces set up respectively in the sloping block both sides and are connected with the both ends of stopper respectively, and wherein, two side pieces are the step side piece respectively, and the upper portion of side piece sets up the bar slot hole, and one side that the lower part of side piece is close to the sloping block sets up the spout, the lower part of side piece still sets up the screw that compresses tightly with spout UNICOM, set up compression bolt in compressing tightly the screw, the sloping block both sides set up the boss with the spout adaptation respectively, the boss with the spout constitutes the location removal auxiliary structure. The utility model provides a burden chamfer frock and chamfer device can realize the disposable processing of all peripheral burden chamfers of blade end surface, and operational environment is better, has very low processing cost, has higher machining efficiency, is applicable to batch production, and the regular shift output is between 1500 ~ 2500 pieces to guarantee processingquality that can be better.

Description

Negative chamfering tool and chamfering device for blade

Technical Field

The utility model belongs to the technical field of the blade correct grinding, concretely relates to carbide correct grinding blade burden chamfered edge's adjustable fast-assembling processingequipment.

Background

In recent years, with higher requirements on processing precision and processing efficiency in the field of machining, numerically controlled machine tools such as numerically controlled lathes, numerically controlled milling machines, numerically controlled processing centers and the like are more and more widely adopted, all the devices adopt hard alloy machine-clamped blades, the hard alloy blades are required to be accurately ground, a plurality of accurate grinding blades need to be subjected to negative chamfering, the conventional method for the negative chamfering of the accurate grinding blades mainly comprises peripheral grinding machine processing and tool grinding machine processing, the negative chamfering is carried out on the blades by using the peripheral grinding machine grinding, the number of flights is 200-300, the processing efficiency is low, the processing cost is high, the equipment investment is large, and the mass production is not facilitated; the negative chamfering is carried out on the blade by using the tool grinder, the debugging is troublesome, the labor intensity is high, each edge needs to be chamfered separately, the processing quality fluctuation is large, the processing ripple often appears, the working procedure is long, and the processing efficiency is not high; the other method is to use the existing chamfering machine to perform negative chamfering, but a negative chamfering tool needs to be adopted to position the blade, and the existing negative chamfering tool is single, inconvenient to adjust and not applicable.

SUMMERY OF THE UTILITY MODEL

Based on above problem, an object of the utility model is to provide a blade burden chamfer frock and chamfer device.

In order to realize the above purpose, the utility model discloses a technical scheme be: a negative chamfering tool for a blade comprises a limiting block, side blocks and an inclined block, wherein the limiting block is arranged at the front end of the inclined block and corresponds to the inclined plane of the inclined block, and the two side blocks are respectively arranged on the two sides of the inclined block and are respectively connected with the two ends of the limiting block; wherein, two side pieces are step shape side piece respectively, and the upper portion of side piece sets up the bar slot hole, and one side that the lower part of side piece is close to the sloping piece sets up the spout, the lower part of side piece still sets up the screw that compresses tightly with spout UNICOM, set up compression bolt in the screw that compresses tightly, the sloping piece both sides set up the boss with the spout adaptation respectively, the boss with the spout constitutes location removal auxiliary structure.

The utility model also provides a chamfer device with above-mentioned blade burden chamfer frock, burden chamfer frock including organism, pivot, emery wheel, tray, blade, the pivot is vertical to be set up in the organism, and the emery wheel sets up in the organism upper end and is connected with the pivot transmission, and the tray sets up in emery wheel upper portion and is connected with the organism top, sets up the opening with blade burden chamfer frock adaptation on the tray edge, the blade burden chamfer frock is installed in the opening part through the slot hole of two side pieces, just between the stopper and the sloping block of blade burden chamfer frock, can adjust the mutual distance according to the particular case of blade between stopper, side piece, sloping block and the emery wheel.

When negative chamfering is carried out on the blade, the long hole of the side block and the edge of the opening of the tray are sequentially penetrated through the bolt to install the tool, the limiting block is enabled, a gap is reserved between the side block and the grinding wheel, the distance between the inclined block and the limiting block is adjusted as required, the inclined block is fixed by screwing the compression bolt, then the blade to be processed with the negative chamfering is placed on the inclined plane of the inclined block, the limiting block plays a limiting role, the inclined block plays a supporting role, the chamfering device is started, the edge of the blade to be processed with the negative chamfering is in contact with the grinding wheel, and the grinding wheel rotates and grinds the negative chamfering on the blade.

Specifically, the limiting block is a U-shaped limiting block, mounting holes are formed in two ends of the limiting block, a screw hole is formed in one end, close to the limiting block, of the lower portion of the side block, and the limiting block and the side block are connected through screws sequentially penetrating through the mounting holes of the limiting block and the screw holes of the side block; preferably, the mounting holes at the two ends of the U-shaped limiting block are strip-shaped mounting holes, and when the cutter blade is used, the horizontal position of the limiting block can be adjusted after the screw can be loosened, so that the distance from the bottom of the limiting block to the end face of the grinding wheel can be adjusted, and the purpose of conveniently adjusting the negative chamfering width of the blade can be achieved.

In order to ensure the using effect, the material of the inclined block is preferably made of hard alloy, the inclined angle of the inclined block is the same as the negative chamfer angle of the blade, generally 10-15 degrees, generally, the inclined block can be made into three inclined angles, the inclined angles are respectively 10 degrees, 12 degrees and 15 degrees, and other angles can be designed according to the negative chamfer angle of the blade.

The utility model has the advantages that:

(1) the utility model provides a blade burden chamfering tool, through stopper, side piece, sloping block, clamp bolt realize the blade at chamfering machine's last installation, support the blade through the sloping block and contact with the emery wheel after in order to realize the blade slope, the upper portion of side piece designs elongated hole, guarantee that the tool can slide on equipment tray, thereby adjust the contact position of blade and emery wheel terminal surface, avoid adopting fixed emery wheel grinding position and blade to last the grinding and cause the quality to fluctuate, reach the blade and can reach the effect that emery wheel terminal surface each department can grind with the emery wheel, improve the emery wheel utilization ratio; the side block is provided with a sliding groove, and the two ends of the oblique block are provided with bosses which can be supported on the side block and can slide along the sliding groove of the side block through a moving pair structure formed by the bosses and the sliding groove, so that the distance from the inclined plane of the oblique block to the limiting block can be conveniently adjusted, and the width of the negative chamfer can be further adjusted.

(2) The utility model provides a blade burden chamfer frock and chamfer device can realize that the disposable processing of all peripheral burden chamfers of blade end face is accomplished, and operational environment is better, has very low processing cost, has higher machining efficiency, is applicable to batch production, and the production in shifts is between 1500 ~ 2500 pieces to assurance processingquality that can be better, processing method is simple, and simultaneously, adjustable fast-assembling device preparation is easy.

Drawings

Fig. 1 is a schematic view of a negative chamfering tool for a blade provided by the present invention;

FIG. 2 is a schematic view of a limiting block;

FIG. 3 is a side block schematic view;

FIG. 4 is a top view of the side block;

FIG. 5 is a side view of the side block;

FIG. 6 is a schematic view of a swash block;

FIG. 7 is a schematic view of a chamfering apparatus;

FIG. 8 is an enlarged view taken at A in FIG. 7;

fig. 9 is a top view of the chamfering apparatus.

Wherein, 1 is the stopper, 11 is the mounting hole, 2 is the side piece, 21 is the side piece upper portion, 22 is the side piece lower part, 23 is the slot hole, 24 is the spout, 25 is compressing tightly the screw, 26 is the screw, 3 is the sloping block, 31 is the boss, 4 is compression bolt, 5 is the organism, 6 is the pivot, 7 is the emery wheel, 8 is the tray, 9 is the blade.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

As shown in fig. 1, the embodiment provides a negative chamfering tool for a blade, which includes a limiting block 1, side blocks 2 and an inclined block 3, wherein the limiting block 1 is arranged at the front end of the inclined block 3 and corresponds to an inclined plane of the inclined block 3, and the two side blocks 2 are respectively arranged at two sides of the inclined block 3 and are respectively connected with two ends of the limiting block 1; as shown in fig. 2, the limiting block 1 is U-shaped, strip-shaped mounting holes 11 are formed at two ends of the limiting block 1, as shown in fig. 3 to 5, two side blocks 2 are respectively step-shaped, a long hole 23 is formed in the upper portion 21 of each step-shaped side block, a sliding groove 24 is formed in one side, close to the inclined block 3, of the lower portion 22 of each side block, a pressing screw hole 25 communicated with the sliding groove 24 is formed in the upper end of the lower portion 22, a screw hole 26 is formed in one side, close to the limiting block 1, of the lower portion 22, bosses 31 matched with the sliding groove 24 are formed in two sides of the inclined block 3, as shown in fig. 6;

the utility model also provides a chamfering device of the tool for negative chamfering of blade as shown in figures 7 to 9, which comprises a machine body 5, a rotating shaft 6, a grinding wheel 7, a tray 8 and a tool for negative chamfering of blade, wherein the rotating shaft 6 is vertically arranged in the machine body 5, the grinding wheel 7 is arranged at the upper end in the machine body 5 and is in transmission connection with the rotating shaft 6, the tray 8 is arranged at the upper part of the grinding wheel 7 and is connected with the top part of the machine body 5, the edge of the tray 8 is provided with a rectangular opening corresponding to the tool for negative chamfering of blade, the tool for negative chamfering of blade is arranged at the rectangular opening through the long holes 23 of the two side blocks 2 and has a gap with the grinding wheel, the two ends of a limiting block 1 are respectively connected with the screw holes 26 of the two side blocks 2 through a strip-shaped mounting hole 11 through screws, a compression bolt 4 is arranged in a compression screw hole 25, the, the lifting mechanism is a grinding wheel 7 lifting mechanism commonly used in the prior art, and a lifting handle is arranged on the lifting mechanism.

The method for applying the chamfering device provided by the embodiment to negative chamfering of the blade comprises the following steps:

step 1, grinding a grinding wheel to ensure that the grinding wheel is flat;

step 2, mounting the blade negative chamfering tool on a tray of the machine body;

step 3, selecting a corresponding inclined block according to the angle of the negative chamfer required to be processed by the blade, moving the inclined block, preliminarily adjusting the gap between the inclined block and a limiter, screwing a compression bolt to fix the inclined block, placing the blade on the inclined block, limiting the front end of the blade by the limiter, rotating a lifting handle to adjust the height of a grinding wheel, and enabling the blade and the grinding wheel to have a smaller gap;

step 4, starting the chamfering device, placing the blade on the inclined block, enabling the limiting device to limit the front end of the blade, rotating the lifting handle to adjust the height of the grinding wheel, enabling the grinding wheel to be in contact with the blade, uniformly rotating the blade by hand to perform trial grinding, measuring whether the width consistency, the chamfering angle and the chamfering width meet the drawing requirements, and otherwise, repeatedly debugging the gap between the inclined block and the limiting device and the height of the grinding wheel until the machining standard is reached;

and 5, starting the chamfering device after debugging, and performing negative chamfering processing on the blade.

The above embodiments of the present invention are merely examples for illustrating the present invention and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.

Claims (5)

1. The utility model provides a blade burden chamfer frock, its characterized in that, includes stopper, side piece, sloping block, and the stopper sets up in sloping block front end and corresponds with the inclined plane of sloping block, and two side pieces set up respectively in sloping block both sides and are connected with the both ends of stopper respectively, and wherein, two side pieces are step side piece respectively, and the upper portion of side piece sets up the bar slot hole, and one side that the lower part of side piece is close to the sloping block sets up the spout, the lower part of side piece still sets up the screw that compresses tightly with spout UNICOM, set up compression bolt in compressing tightly the screw, the sloping block both sides set up the boss with the spout adaptation respectively, the boss with the spout constitutes location removal auxiliary structure.

2. The tool for negative chamfering of the blade according to claim 1, wherein the limiting block is a U-shaped limiting block, mounting holes are formed in two ends of the limiting block, a screw hole is formed in one end, close to the limiting block, of the lower portion of the side block, and the limiting block and the side block are connected through the mounting holes of the limiting block and the screw hole of the side block which are sequentially penetrated through screws.

3. The negative chamfering tool according to claim 2, wherein the mounting holes at two ends of the U-shaped limiting block are strip-shaped mounting holes.

4. The negative chamfering tool according to claim 1, wherein the bevel angle of the swash block is 10-15 °.

5. The chamfering device with the negative chamfering tool of claim 1 is characterized by comprising a machine body, a rotating shaft, a grinding wheel, a tray and a blade negative chamfering tool, wherein the rotating shaft is vertically arranged in the machine body, the grinding wheel is arranged at the upper end in the machine body and is in transmission connection with the rotating shaft, the tray is arranged on the upper portion of the grinding wheel and is connected with the top of the machine body, an opening matched with the blade negative chamfering tool is formed in the tray, and the blade negative chamfering tool is installed at the opening through strip-shaped long holes of the two side blocks.

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