CN210160439U

CN210160439U - Double-drill-bit horizontal machine tool with spindle box positioning fixture

Info

Publication number: CN210160439U
Application number: CN201920739282.5U
Authority: CN
Inventors: 孙玥; 傅立新; 叶文刚; 喻明辉
Original assignee: ANHUI HUANGSHAN BENCH DRILLING MACHINE Co Ltd
Current assignee: ANHUI HUANGSHAN BENCH DRILLING MACHINE Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-03-20
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a double-drill horizontal machine tool with a main spindle box positioning clamp, which comprises a double-drill horizontal machine tool and a main spindle box positioning clamp; the double-drill horizontal machine tool comprises two guide rails, a sliding block is arranged between the guide rails, the sliding block is driven by a screw rod matched with the sliding block and freely moves on the guide rails, and the screw rod is driven by an external driving device; the drilling machine is characterized in that a motor is arranged on the sliding block, a conversion box is arranged on one side of a main shaft of the motor, the main shaft is in transmission connection with two groups of output shafts through the conversion box, the distance and the position between the output shafts are matched with the distance and the position between holes to be machined, and a drill bit is installed on the output shafts. The utility model discloses can realize the tight location of clamp of headstock fast to the passband has the horizontal lathe of two drill bits to drill simultaneously to it, does not need the secondary location, not only reduces intensity of labour, improves work efficiency, has also reduced machining error moreover, has guaranteed the machining precision.

Description

Double-drill-bit horizontal machine tool with spindle box positioning fixture

Technical Field

The utility model relates to a lathe field specifically is a horizontal lathe of two drills with headstock positioning fixture.

Background

An existing automobile spindle box often has a plurality of holes, for example, a hole to be machined 1' on the spindle box shown in fig. 1, a single-hole drilling machine is still used in the existing common method, and during operation, one hole is drilled first, and then a clamp or a drill bit is moved to perform second operation. However, no matter the clamp or the drill is moved, secondary positioning is often needed, so that the labor intensity is improved, the working efficiency is reduced, errors are large when drilling is carried out twice, the distance between two holes to be machined is difficult to guarantee, and the machining precision is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: often need secondary location, not only improve intensity of labour, reduce work efficiency, the error is great when also can lead to twice drilling moreover, is difficult to guarantee the interval between two holes of waiting to process, has reduced the machining precision.

In order to solve the technical problem, the utility model provides a following technical scheme:

a double-drill horizontal machine tool with a main spindle box positioning fixture comprises a double-drill horizontal machine tool and a main spindle box positioning fixture;

the double-drill horizontal machine tool comprises two guide rails, a sliding block is arranged between the guide rails, the sliding block is driven by a screw rod matched with the sliding block and freely moves on the guide rails, and the screw rod is driven by an external driving device; the sliding block is provided with a motor, one side of a main shaft of the motor is provided with a conversion box, the main shaft is in transmission connection with two groups of output shafts through the conversion box, the distance and the position between the output shafts are matched with the distance and the position between holes to be processed, and a drill bit is installed on the output shafts;

the spindle box positioning fixture is arranged at one end, close to the drill bit, of the guide rail and comprises a fixture bottom plate, the fixture bottom plate is sequentially provided with a first positioning plate and a second positioning plate at intervals along the moving direction of the sliding block, the first positioning plate and the second positioning plate are both vertically arranged, and the second positioning plate is arranged close to the guide rail; the second positioning plate is provided with two guide holes matched with the output shaft; two groups of third positioning plates are symmetrically arranged between the first positioning plate and the second positioning plate at the front side and the rear side, and first locking pieces for locking the side face of the spindle box are arranged on the third positioning plates; the upper ends of the first positioning plate and the second positioning plate are provided with stand columns, one stand column is hinged with a pressing plate which is horizontally arranged, the other end of the pressing plate is clamped with the other stand column through a clamping groove, and a second locking piece used for locking the top surface of the spindle box is arranged on the pressing plate.

As a further aspect of the present invention: and two groups of positioning discs are arranged on the clamp bottom plate between the first positioning plate and the second positioning plate, vertical positioning rods are arranged on the positioning discs, and the positioning rods are arranged in the front and back direction and are matched with the through holes in the spindle box.

As a further aspect of the present invention: the positioning thimble structure is characterized by further comprising a positioning thimble matched with the guide hole, the body of the positioning thimble is a cylinder, one end of the positioning thimble is conical, and the shaft diameter of the positioning thimble is matched with the inner diameter of the corresponding guide hole.

As a further aspect of the present invention: and the first locking piece and the second locking piece are locking nuts.

As a further aspect of the present invention: the driving gear connected with the main shaft is arranged in the conversion box, the driven gears connected with the output shaft are further arranged in the conversion box, and the driving gear is meshed with the two groups of driven gears respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can realize the tight location of clamp of headstock fast to the passband has the horizontal lathe of two drill bits to drill simultaneously to it, does not need the secondary location, not only reduces intensity of labour, improves work efficiency, has also reduced machining error moreover, has guaranteed the machining precision.

Drawings

Fig. 1 is a schematic structural diagram of a spindle box to be machined in the embodiment.

Fig. 2 is a schematic structural diagram of the embodiment.

FIG. 3 is a schematic view of the structure of the positioning pin in the embodiment

In the figure: 1 '-a hole to be processed, 2' -a through hole, 1-a guide rail, 2-a slide block, 3-a screw rod, 4-a motor, 5-a spindle, 6-a conversion box, 7-an output shaft, 8-a drill bit, 9-a clamp bottom plate, 10-a first positioning plate, 11-a second positioning plate, 12-a guide hole, 13-a positioning disc, 14-a positioning rod, 15-a third positioning plate, 16-a first locking piece, 17-a column, 18-a pressing plate, 19-a second locking piece, 20-a clamping groove and 21-a positioning thimble.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a dual-drill horizontal machine tool with a spindle box positioning fixture comprises a dual-drill horizontal machine tool and a spindle box positioning fixture;

the double-drill horizontal machine tool comprises two guide rails 1, a sliding block 2 is arranged between the guide rails 1, the sliding block 2 is driven by a screw rod 3 matched with the sliding block and freely moves on the guide rails 2, and the screw rod 3 is driven by an external driving device; the sliding block 2 is provided with a motor 4, one side of a main shaft 5 of the motor 4 is provided with a conversion box 6, the main shaft 5 is in transmission connection with two groups of output shafts 7 through the conversion box 6, the distance and the position between the output shafts 7 are matched with the distance and the position between holes 1' to be processed, and a drill bit 8 is arranged on the output shafts 7;

the spindle box positioning fixture is arranged at one end, close to the drill bit 8, of the guide rail 1 and comprises a fixture bottom plate 9, the fixture bottom plate 9 is sequentially provided with a first positioning plate 10 and a second positioning plate 11 at intervals along the moving direction of the sliding block 2, the first positioning plate 10 and the second positioning plate 11 are both vertically arranged, and the second positioning plate 11 is arranged close to the guide rail 1; the second positioning plate 11 is provided with two guide holes 12 matched with the output shaft 7; two groups of third positioning plates 15 are symmetrically arranged between the first positioning plate 10 and the second positioning plate 11 at the front side and the rear side, and first locking pieces 16 for locking the side face of the spindle box are arranged on the third positioning plates 15; the upper ends of the first positioning plate 10 and the second positioning plate 11 are provided with upright posts 17, one upright post 17 is hinged with a pressing plate 18 which is horizontally arranged, the other end of the pressing plate 18 is clamped with the other upright post 17 through a clamping groove 20, and a second locking member 19 used for locking the top surface of the spindle box is arranged on the pressing plate 18.

As an optional scheme, two sets of positioning disks 13 are arranged on the clamp bottom plate 9 between the first positioning plate 10 and the second positioning plate 11, positioning rods 14 which are vertically arranged are arranged on the positioning disks 13, and the positioning rods 14 are arranged front and back and are matched with the through holes 2' in the spindle box, so that quick preliminary coarse positioning can be realized.

As an optional scheme, the spindle headstock further comprises a positioning thimble 21 matched with the guide hole 12, a body of the positioning thimble 21 is a cylinder, one end of the positioning thimble 21 is conical, and the shaft diameter of the positioning thimble 21 is matched with the inner diameter of the corresponding guide hole 12, so that the headstock is accurately positioned.

Alternatively, the first locking member 16 and the second locking member 19 are locking nuts.

As an optional scheme, a driving gear connected with the main shaft 5 is arranged in the conversion box 6, driven gears connected with the output shaft 7 are further arranged in the conversion box 6, and the driving gear is respectively meshed with the two groups of driven gears.

The utility model discloses a theory of operation is: when the spindle box is used, the spindle box is firstly placed on the clamp bottom plate 9, the X-direction positioning is realized through the first positioning plate 10 and the second positioning plate 11, and the Y-direction positioning is realized through the third positioning plate 15; due to the arrangement of the guide hole 12, the position of the guide hole before drilling can be determined through the positioning ejector pin 21, then the spindle box is pressed through the pressing plate 18, and further the clamping and positioning of the spindle box drilling money are realized; then drive the removal of slider 2 through lead screw 3 for drill bit 8 is close to the headstock, because the use is two drill bits and drills simultaneously, consequently can realize once only drilling, does not need secondary positioning, not only reduces intensity of labour, improves work efficiency, has also reduced machining error moreover, has guaranteed the machining precision.

In the time of in-service use, because the headstock of production is the headstock of the same type, therefore, only need adjust one of them first retaining member 16, loosen second retaining member 19 simultaneously and can realize that the headstock takes out after processing, during the location operation of headstock behind, only need tighten this time loosen 16 back rethread second retaining member 19 of first retaining member the screw up can realize quick location, need not realize accurate location through location thimble 21, consequently, make things convenient for streamlined repetitive operation, the machining precision also can be guaranteed simultaneously.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A double-drill horizontal machine tool with a spindle box positioning fixture is characterized by comprising a double-drill horizontal machine tool and a spindle box positioning fixture;

2. The horizontal machine tool with the double drill heads and the spindle box positioning fixture of claim 1, wherein two sets of positioning discs are arranged on the fixture bottom plate between the first positioning plate and the second positioning plate, the positioning discs are respectively provided with positioning rods which are vertically arranged, and the positioning rods are arranged in the front and back direction and matched with the through hole in the spindle box.

3. The double-drill horizontal machine tool with the spindle box positioning fixture according to claim 1, further comprising a positioning thimble matched with the guide hole, wherein the body of the positioning thimble is a cylinder, one end of the positioning thimble is conical, and the axial diameter of the positioning thimble is matched with the inner diameter of the corresponding guide hole.

4. The double-bit horizontal machine tool with a headstock positioning fixture of claim 1 wherein the first retaining member stage and the second retaining member stage are each a retaining nut.

5. The horizontal machine tool with the double drill bits and the headstock positioning jig according to claim 1, wherein a driving gear connected to the main spindle is provided in the switching box, and driven gears connected to the output shafts are further provided in the switching box, and the driving gear is engaged with the two sets of driven gears, respectively.