CN2068446U

CN2068446U - Ball teeth head of jump bit repairing machine

Info

Publication number: CN2068446U
Application number: CN 90206560
Authority: CN
Inventors: 李西岭
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-05-15
Filing date: 1990-05-15
Publication date: 1991-01-02

Abstract

The utility model relates to a ball teeth head of a jump bit repairing machine, comprising a base part, an upright post assembled with the base, and a grinding head part mounted on the upper part of the upright post, characterized in that the base is arranged with a holder comprising elements such as a sliding base, a sliding table, a supporting base, a holder body, etc. The sliding table of the holder is assembled with the sliding base together via a rail, and the supporting base is fixedly mounted with the table top of the sliding table. The holder body is arranged on the supporting base via two rotating shafts. The utility model replaces traditional methods of using the manual work to repair the ball teeth head of the jump bit and can ensure the quality of the bit head after grinding; the service life of the ball teeth head of the jump bit can be improved.

Description

Ball teeth head of jump bit repairing machine

The utility model relates to a kind of spherical tooth drill bit sharpening machine, and it is applicable to all kinds of spherical tooth drill bits of reconditioning, and it comprises base portion, and the column that is assembled together with base and be installed in the bistrique part on column top.

Because due to the design feature of spherical tooth drill bit, the user of present most spherical tooth drill bit does not carry out reconditioning for the used ball tooth drill bit, make it to become disposable tool using, this just causes very big waste, brings certain difficulty also for simultaneously applying of spherical tooth drill bit.In order to solve the repeated use problem of spherical tooth drill bit, also there are many spherical tooth drill bit users to adopt the method for hand grinding to come reconditioning to the spherical tooth drill bit of minor diameter, promptly hand-held bore bit reconditioning on the normal sands turbine, but this manual method exists many shortcoming and defect, as can't meet the quality requirement after the reconditioning, can not make the alloy column fourth contact of wearing and tearing.For relatively large spherical tooth drill bit, also there is employing on air operated portable grinder, to carry out reconditioning, emery wheel is made into inner conical, the same with carbide alloy post shapes of being ground and size, this reconditioning mode has advantage simple to operate, easy to use, and can guarantee the quality of bore bit basically.But its weak point is also arranged, and too high as the rotating speed of emery wheel, parts, emery wheel are fragile etc.In addition, the sphere of alloy column and emery wheel comprehensive engagement during grinding are closed state by flour milling, and cooling fluid is difficult for entering, and causes emery wheel at high temperature to damage.Moreover therefore method also is to adopt hand to take bore bit reconditioning on air operated portable grinder, and grinding quality is subjected to artificial influence bigger.

The purpose of this utility model provides a kind of spherical tooth drill bit sharpening machine that is applicable to the spherical tooth drill bit of reconditioning all size and shape with regard to being to overcome above-mentioned weak point of the prior art.

The purpose of this utility model can realize by following measure:

The anchor clamps that one cover is made up of parts such as slide, slide unit, bearing and clamp bodies are housed on base; Slide unit in these anchor clamps is assembled together by guide rail and slide, and bearing is fixedly mounted on the table top of slide unit, and clamp body is contained on the bearing by two rotating shafts.

The utility model also can be realized by following measure: anchor clamps are sleeved on the top of base shaft by slide, are fixed together by screw and base; By bearing a pivoted arm is installed in the rotating shaft of base, column is installed in the axis hole at pivoted arm two ends; Adjusting lever is equipped with on column top, and the bistrique of being made up of grinding head body, emery wheel and motor is installed in the hole of adjusting lever front portion by two little axles.

The utility model can also be realized by following measure: anchor clamps are installed in the axis hole of base by the bearing that is contained in the slide rotating shaft; Be installed with a root post on the base, one sliding sleeve is housed on the column, adjusting lever is positioned at the adjusting lever hole that processes on the sliding sleeve, and the bistrique of being made up of grinding head body, emery wheel and motor is installed in the head framework by two little axles, and the head framework is connected with adjusting lever.

Belt wheel frame and belt wheel are installed on grinding head body of the present utility model, this belt wheel links to each other with motor output shaft by belt, a cam is housed on the support of grinding head body one side, belt pulley on the cam links to each other with belt wheel on being positioned at grinding head body by belt, cam be contained in bistrique on roller on the oil pump core of oil pump of little shaft end contact; The bottom of support is provided with an oil sump.

The utility model has compared with prior art not only replaced the conventional method of reconditioning spherical tooth drill bit by hand, and can guarantee the quality of bore bit after the reconditioning, improves the service life of spherical tooth drill bit.

The drawing of accompanying drawing is described as follows:

Fig. 1: the front view of first embodiment of the utility model.

Fig. 2: figure cuts open in first embodiment clamp portion branch office.

Fig. 3: first embodiment bistrique installation site side view.

Fig. 4: the front view of another embodiment of the utility model.

Fig. 5: the side view of another embodiment of the utility model.

The utility model below will be tied accompanying drawing and do with detailed description:

As shown in Figure 1, base (2) is screwed on oil sump (1), and pivoted arm (3) is installed in the rotating shaft of base (2) by bearing; One root post (10) respectively is installed in the axis hole at pivoted arm (3) two ends, and the adjustment nut (6) that can be used to regulate lifting is equipped with in the bottom of column; As Fig. 1, shown in Figure 3, an emery wheel (14) is housed on the output shaft of motor (21), motor (21) is screwed and is installed on the grinding head body (13), the bistrique part of being made up of above-mentioned part (13), (14), (21) is contained in the axis hole of adjusting lever (22) by the little axle (11,23) that is arranged on the grinding head body, adjusting lever (22) is installed in the hole that column (10) top processes, and also is equipped with on the adjusting lever (22) to adjust nut (12).

As shown in Figure 1 and Figure 2, the anchor clamps of being made up of slide (4), slide unit (5), bearing (7) and clamp body parts such as (8) are installed in the top of the rotating shaft of base (2) by slide (4), are fixed together by screw and base; The concrete annexation of its each parts is as follows: slide unit (5) is assembled together by guide rail and slide (4), and slide unit (5) can slide in slide (4) upper edge guide rail direction; Be installed with bearing (7) by screw on the table top of slide unit (5), be symmetrically arranged with two rotating shafts on the clamp body (8), two rotating shafts are installed in the support holes that processes on the bearing (7); In order to adapt to the spherical tooth drill bit of reconditioning different-diameter, in clamp body (8), also be set with a gripping sleeve (9).

Fig. 4, Fig. 5 are another embodiment of the present utility model, and the structure of these embodiment anchor clamps is identical with the structure of last embodiment, but the shape and structure of slide is different with a last embodiment.Be provided with a rotating shaft below the slide in the present embodiment anchor clamps (4 '), bearing is housed in the rotating shaft, anchor clamps are contained in the axis hole on the base (2 ') by the bearing in slide (4 ') rotating shaft; Also be provided with one handle (24) on the anchor clamps, during the reconditioning workpiece, rotate as long as driving handle can drive anchor clamps.On base (2 '), be installed with root post (10 '), a sliding sleeve is housed on this column, adjusting lever (22 ') is housed on the sliding sleeve, the bistrique of being made up of grinding head body (13), emery wheel (14) and motor (21) is installed on the head framework (26) by little axle (11,23), and the head framework is connected with adjusting lever (22 ').Screw (25) is used for regulating the high and low of bistrique.

For making emery wheel and alloy cylinder be able under the good state of cooling, work, the utility model again design and installation the cooling system of forming by belt wheel (16), cam (20), oil pump (17) and oil sump parts such as (1), this system drives by the belt of installing on motor (21) output shaft.Shown in Fig. 1,3,4,5, belt wheel frame (15) and belt wheel (16) are housed on grinding head body (13), belt wheel (16) links to each other by the small pulley of installing on belt and motor (21) output shaft, one side of bistrique is equipped with a support (19), a cam (20) is installed on the support (19), belt pulley on the cam (20) links to each other with belt wheel (16) by belt, cam (20) be installed in little shaft end on the oil pump core (18) of oil pump (17) on roller contact; Oil sump (1) is positioned at the bottom of sharpening machine, and the base through screws of sharpening machine is fixed on the oil sump.

When using the utility model reconditioning spherical tooth drill bit, at first will need to be packed in the gripping sleeve (9) by the workpiece of reconditioning, (for the bore bit of different-diameter, can use the gripping sleeve of different inner diameters), and locate with screw, workpiece can be done 360 ° of revolutions with gripping sleeve in clamp body (8), the alloy column that can make arbitrary position on the bore bit and the line at bore bit center forward the parallel position of guide rail with slide (4) to; Then rotatable clamp body (8) (clamp body can turn round around the axis of himself on bearing (7)), axis through that alloy column of revolution for the first time (in clamp body after the rotational positioning) is forwarded to the vertical position of table top with slide unit (5), and locate with screw, promote slide unit (5) again and move along the guide rail direction this moment, this alloy column is moved on to the center of base, with behind the dog screw location, carried out reconditioning again with regard to available hand propelled column (10).As adopt the version of embodiment 2, and only needing mode of operation according to embodiment 1 with back, workpiece location--that alloy column that promptly will reconditioning moves to the center of base, and the back, location is as long as just can carry out reconditioning with hand propelled handle (24).Repeat said process, just can carry out reconditioning one by one each alloy column on the spherical tooth drill bit.Regulate adjusting lever can make bistrique near or away from the base center, to adapt to the needs of different size alloy column reconditioning.

Claims

1, a kind of spherical tooth drill bit sharpening machine, it is suitable for all kinds of spherical tooth drill bits of reconditioning, it comprises base portion, and the column that is assembled together with base and be installed in the bistrique part on column top, of the present utility model being characterised in that: the anchor clamps that a cover is made up of slide (4) (4 '), slide unit (5), bearing (7) and clamp body parts such as (8) are housed on the base (2) (2 '); Slide unit in these anchor clamps (5) is assembled together by guide rail and slide (4) (4 '), and bearing (7) is fixedly mounted on the table top of slide unit (5), and clamp body (8) is contained on the bearing (7) by two rotating shafts.

2, spherical tooth drill bit sharpening machine according to claim 1 is characterized in that:

A, anchor clamps are sleeved on the top of base (2) rotating shaft by slide (4), are fixed together by screw and base;

B, by bearing one pivoted arm (3) is installed in the rotating shaft of base (2), column (10) is installed in the axis hole at pivoted arm (3) two ends;

In the hole on c, column (10) top adjusting lever (22) is housed, the bistrique of being made up of grinding head body (13), emery wheel (14) and motor (21) is installed in the anterior axis hole of adjusting lever (22) by little axle (11,23).

3, spherical tooth drill bit sharpening machine according to claim 1 and 2, it is characterized in that: belt wheel frame (15) and belt wheel (16) are installed on bistrique, belt wheel (16) links to each other by the output shaft of belt with motor (21), cam (20) is installed on support (19), belt pulley on the cam (20) links to each other with belt wheel (16) by belt, and the roller on the oil pump core (18) of the oil pump (17) that cam (20) is terminal with being installed in little axle (23) contacts; Oil sump (1) be positioned at sharpening machine base (2) below.

4, spherical tooth drill bit sharpening machine according to claim 1 is characterized in that:

A, anchor clamps are assemblied in the axis hole of base (2 ') by the bearing of installing in slide (4 ') rotating shaft;

B, on base (2 '), be installed with a root post (10 '), a sliding sleeve is installed on the column (10 '), adjusting lever (22 ') is positioned at the adjusting lever hole that processes on the sliding sleeve, the bistrique of being made up of grinding head body (13), emery wheel (14) and motor (21) is installed in the head framework (26) by little axle (11,23), and head framework (26) is connected with adjusting lever (22 ').

5, according to claim 1 or 4 described spherical tooth drill bit sharpening machines, it is characterized in that: belt wheel frame (15) and belt wheel (16) are installed on bistrique, belt wheel (16) links to each other by the output shaft of belt with motor (21), cam (20) is installed on support (19), belt wheel on the cam (20) links to each other with belt wheel (16) by belt, roller on the oil pump core (18) of the oil pump (17) that cam (20) is terminal with being installed in little axle (23) contacts, oil sump (1) be positioned at sharpening machine base (2 ') below.