CN2550122Y

CN2550122Y - Small electric drill bit mill

Info

Publication number: CN2550122Y
Application number: CN 02270832
Authority: CN
Inventors: 郭汉光
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-05
Filing date: 2002-06-05
Publication date: 2003-05-14
Anticipated expiration: 2012-06-05

Abstract

A small electric drill bit mill includes a base, an electric motor, a grinding wheel, a clamp for clamping a drill bit and a support structure of the clamp, wherein, the grinding wheel is arranged on an output shaft of the electric motor which is arranged on the base. The support structure includes a cutter rack, and the clamp is revolvably arranged on the cutter rack. The cutter rack and the clamp are arranged in front of the grinding wheel. By adopting the small electric machinery to mill the drill bit at field, the precision of milling the drill bit is largely improved rather than manual milling, so as to assure the back blade face of the drill bit is grinded into standard circular taper face, display various shapes, assure reasonable back postcomu as well as assure the symmetry and planeness of the two cutting blades. The utility model has the advantages of small volume, light weight and convenient and flexible movement; and the utility model can be widely used in building sites, plants and mines on field.

Description

An a kind of small-sized electric abrasive drilling machine

Technical field

The utility model relates to a kind of machinery of grinding drill, a particularly a kind of small-sized electric abrasive drilling machine that is used for construction site, industrial enterprise.

Background technology

In construction site, industrial enterprise, multiple hand drill and bench drill are all had many uses, but after the drill bit of these hand drills or bench drill has used blunt, generally all want grinding, people often adopt grinding drill on emery wheel by hand in the practice, or adopt special mechanical equipment to come grinding drill.The hand grinding drill bit mainly relies on operating personnel's experience, because the end size of drill bit is strict, grinding drill bit is difficult to grasp various angles, specification requirements such as symmetry and finish by hand.So hand grinding is difficult to reach requirement, cause the bit cutting ability drop.And adopt special mechanical equipment to come grinding drill, again because the huge transportation of existing grinding drill equipment volume is inconvenient, the grinding of need changing places can't be satisfied the requirement of the on-the-spot grinding of construction site and industrial enterprise.

Summary of the invention

The purpose of this utility model is to provide a kind of guarantees the angle of grinding drill, drilling is steady, durability is high, volume is little, in light weight, move the machine of small-sized electric abrasive drilling flexibly.

The utility model comprises pedestal, motor, emery wheel, the anchor clamps that are used for clamping drilling bit and supporting construction thereof, described emery wheel is installed on the motor output shaft, described motor is arranged on the pedestal, described supporting construction comprises knife rest, described anchor clamps install rotationally on knife rest, before knife rest and anchor clamps are arranged at emery wheel.

In order to make grinding drill more accurate, improve precision, the utility model also comprises the index(ing) table that can adjust the knife angle degree, can adjust vertical carry workbench of feed position and drive motor and the horizontal carry workbench of emery wheel.Firm for clamping, also adopt the anchor clamps of forming by two corresponding chucks.

The utility model is owing to adopt small-sized electric machinery to come on-the-spot grinding drill, and index(ing) table, vertical a plurality of accurate carry such as carry workbench and horizontal carry workbench mechanism are arranged, make the grinding drill effect improve greatly than hand grinding precision, guaranteed that knife face behind the drill bit worn into the taper seat of standard, and generate multiple shape, guarantee rational relief angle, guarantee the symmetry and the polishing of two cutting edges.And because the utility model volume is little, in light weight, conveniently moving is flexible, can be in the construction site and industrial enterprise are on-the-spot uses, the scope of application is extensive.The utility model drilling is steady, durability improves, simple to operate, easy support is held, it is many to be suitable for bite type, and except that general energy drill bit, but also chisel edge, thin-walled brill, carpenter, Ni Zhifu drill bit and percussion drill etc. are repaiied in grinding.

Description of drawings

Describe basal body structure of the present utility model and basic principle in detail below in conjunction with accompanying drawing:

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

Fig. 2 is the installation diagram of the utility model anchor clamps;

Fig. 3 is the utility model part sectioned view.

The specific embodiment

As shown in Figure 1 to Figure 3, the utility model comprises pedestal 1, motor 2, emery wheel 3, the anchor clamps 4 and the supporting construction thereof that are used for clamping drilling bit, described emery wheel 3 is installed on motor 2 output shafts, described motor 2 is arranged on the pedestal 1, described supporting construction comprises knife rest 5, described anchor clamps 4 install rotationally on knife rest 5, before knife rest 5 and anchor clamps 4 are arranged at emery wheel 3, precision improves when making after the drill bit grinding knife face, above-mentioned supporting construction also includes the index(ing) table 6 that can adjust the knife angle degree, its bottom is provided with circular protruding axle 61, the bottom correspondence is provided with a circular shrinkage hole 62, circular protruding axle 61 and circular shrinkage hole tabling, form transposition 2 and make the platform center of rotation, above-mentioned index(ing) table 6 is provided with an arc chute 63, has placed bolt 64 in it, its upper end is provided with the lock nut of band handle, and described knife rest is arranged on the index(ing) table 6.When anchor clamps 4 clamping drill bits, and be set on the knife rest, index(ing) table 6 is the center with protruding axle 61, with protruding axle 61 distances of arc chute distance is radius, rotate along chute, adjust the relative angle of the anchor clamps 4 of top clamping drilling bit, thereby carry out the grinding of knife face behind the drill bit for emery wheel.

It is that accurately the feed position is held in support that supporting construction of the present utility model also includes vertical carry workbench 7 purposes that can adjust the feed position, described bolt 64 is fixed thereon, above-mentioned vertical carry workbench 7 is by being fixed in the voussoir of its underpart, and being embedded in can be along the inverted T-shaped chute 63 of its longitudinal sliding motion.Motor 2 of the present utility model be arranged on can drive motor 2 and on the horizontal carry workbench 9 that laterally move of emery wheel 3 on, above-mentioned horizontal carry workbench 9 is by being fixed on the voussoir of its underpart, being embedded in can be along in the inverted T-shaped chute 63 of its longitudinal sliding motion.Above-mentioned horizontal carry workbench 9 and vertical carry workbench 7, but its underpart is provided with the arrestment mechanism 10 of stationary work-table position, and described arrestment mechanism 10 comprises handle 101, rotating shaft 102 and cam 103.Before grinding drill, generally all to adjust horizontal carry workbench 9 earlier, make the emery wheel on it be in appropriate position, and then the position of adjusting vertical carry workbench 7 makes the drill bit of anchor clamps 4 clampings near emery wheel, then screw arrestment mechanism 10, vertical carry workbench 7 and horizontal carry workbench 9 all are in a fixed position.

The anchor clamps 4 of clamping drilling bit are made up of two corresponding chucks 41, each chuck 41 is provided with and somely is provided with the V-arrangement folder mouthfuls 412 that is used to clamp drill bit by gathering sill cramping body 411 and cramping body front end face separately, two chucks dislocation butt joint embedding tightly is an one, and is locked by retaining mechanism.And gathering sill 42 width that above-mentioned corresponding cramping body can move therein are more bigger than the cramping body width on the corresponding chuck.And described retaining mechanism comprises two bolts 432, a location-plate 433 and be arranged at the clamping bolt that location-plate 433 middle part adjustable clamps clamp degree, described location-plate 433 is locked on the fixed position of anchor clamps 4 one sides after passing anchor clamps 4 by two bolts 432 respectively, during grinding drill, earlier drill bit is placed the clevis mouth of two corresponding cramping bodies, adjust retaining mechanism, anchor clamps 4 clamping bolts 64, make two corresponding cramping body V-arrangements press from both sides the tight-lipped drill bit that grips, then adjust the angle of whole anchor clamps 4 and carry out grinding.

The process of grinding drill is as follows: at first drill jig is held on the anchor clamps 4, after the adjustment retaining mechanism is locked, regulate horizontal carry workbench 9 positions, motor 2 and emery wheel 3 thereof are adjusted to appropriate position, then screw arrestment mechanism, the fixed position, the position of regulating vertical carry workbench 7 again is with horizontal index(ing) table 6 and upper tool post thereof, anchor clamps 4 regulate one to correct position, then lock the arrestment mechanism fixed position, then rotate horizontal index(ing) table 6, anchor clamps 4 and knife rest are adjusted to correct position, lock nut 64, fixing horizontal index(ing) table 6, adjust vertical angle of anchor clamps 4 at last and carry out grinding, after knife face grinding behind of drill bit, can adjust another back knife face of grinding again by abovementioned steps.

Claims

1, an a kind of small-sized electric abrasive drilling machine, it is characterized in that the anchor clamps (4) and the supporting construction thereof that comprise pedestal (1), motor (2), emery wheel (3), be used for clamping drilling bit, described emery wheel (3) is installed on motor (2) output shaft, described motor (2) is arranged on the pedestal (1), described supporting construction comprises knife rest (5), described anchor clamps install on the knife rest rotationally, and it is preceding that knife rest (5) and anchor clamps (4) are arranged at emery wheel (3).

2, Electric grinding drill head machine according to claim 1, it is characterized in that above-mentioned supporting construction also includes the index(ing) table (6) that can adjust the knife angle degree, above-mentioned index(ing) table (6) bottom is provided with circular protruding axle (61), the bottom correspondence is provided with a circular shrinkage hole (62), circular protruding axle (61) forms index(ing) table (6) center of rotation with circular shrinkage hole (62) tabling, above-mentioned index(ing) table is provided with an arc chute (63), placed bolt (64) in it, its upper end is provided with the lock nut of band handle, and described knife rest (5) is arranged on the index(ing) table (6).

3, Electric grinding drill head machine according to claim 2, it is characterized in that above-mentioned supporting mechanism also includes the vertical carry workbench (7) that can adjust the feed position, described bolt (64) is fixed thereon, described shrinkage pool (62) is provided with thereon, and above-mentioned vertical carry workbench (7) is embedded in by the voussoir (71) that is fixed on its underpart can be along in the inverted T-shaped chute (72) of its longitudinal sliding motion.

4, according to claim 1 or 2 or 3 described Electric grinding drill head machines, it is characterized in that the above-mentioned anchor clamps (4) that are used for clamping drilling bit are made up of two corresponding chucks, each chuck (41) is provided with some by gathering sill (42) cramping body (411) separately, and the cramping body front end face is provided with the V-arrangement folder mouthful (412) that is used to clamp drill bit, and two chucks (41) dislocation butt joint embedding tightly is one and is locked by retaining mechanism (43).

5, Electric grinding drill head machine according to claim 4 is characterized in that gathering sill (42) width that above-mentioned corresponding cramping body can move therein is more bigger than the cramping body on the corresponding chuck (411) width.

6, Electric grinding drill head machine according to claim 5, it is characterized in that above-mentioned retaining mechanism (43) comprises two bolts (432), a location-plate (433) and is arranged at the clamping bolt (431) that location-plate (433) middle part adjustable clamp clamps degree, described location-plate (433) is locked on the fixed position of anchor clamps one side after passing anchor clamps by two bolts (432) respectively.

7, Electric grinding drill head machine according to claim 1, it is characterized in that above-mentioned motor (2) be arranged on can drive motor (2) and on the horizontal carry workbench (9) that laterally moves of emery wheel (3) on, above-mentioned horizontal carry workbench (9) is embedded in by the voussoir that is fixed on its underpart can be along in the inverted T-shaped chute of its longitudinal sliding motion.

8, according to claim 3 or 7 described Electric grinding drill head machines, it is characterized in that above-mentioned horizontal carry workbench (9) and vertically carry workbench (7) but the bottom be provided with the arrestment mechanism (10) of stationary work-table position, described arrestment mechanism (10) comprises handle (101), rotating shaft and is positioned at the eccentric wheel of the voussoir below of workbench (7) (9).