CN211248461U

CN211248461U - Special drill jig

Info

Publication number: CN211248461U
Application number: CN201922421861.8U
Authority: CN
Inventors: 甘小军; 李善生; 杨晓山; 黄礼桥; 方锡虎; 何先文; 周守龙; 陈洪斌; 蒋小明; 叶舟; 张定军; 徐云峰
Original assignee: Anhui Maanshan Iron and Steel Mining Resources Group Co Ltd
Current assignee: Anhui Maanshan Iron and Steel Mining Resources Group Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-08-14
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a special drilling machine anchor clamps, including the drilling machine workstation, four side set up threaded hole in the upper end of drilling machine workstation to set up anchor clamps installation base in the upper end of drilling machine workstation, each screw hole correspondence that anchor clamps installation base corresponds the drilling machine workstation upper end has seted up the round hole. According to the special drilling machine clamp, a cylindrical workpiece is placed in a workpiece placing groove, the pull rope is stopped to be pulled, the front end of the extrusion block is tightly clamped on the circumference of the cylindrical workpiece under the action of thrust when the pushing spring is reset, and when a drill bit performs drilling work, force is gradually applied to the cylindrical workpiece from top to bottom for cutting, so that the clamp body can uniformly support the cylindrical workpiece, and displacement and deflection phenomena cannot occur; the hole machining is smoothly completed at one time. The pull rope is pulled when the cylindrical workpiece is taken out, so that the operation is convenient and fast.

Description

Special drill jig

Technical Field

The utility model relates to a drilling machine processing equipment technical field specifically is a special drilling machine anchor clamps.

Background

Originally the in-process of processing cylinder or irregular work piece hole, need the tight drilling machine workstation of auxiliary instrument clamp, to machining precision and safe operation brought a difficult problem, especially batch processing, the contradiction is more obvious, puzzles the work piece round hole processing of the same type always, originally by original flat mouthful anchor clamps fastening not firm, the work piece terminal surface swings at drilling in-process, very easily takes place the atress and jumps out injury accident, factor of safety is not high, the work piece is inconvenient fixed, based on this, a special drilling machine anchor clamps is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special drilling machine anchor clamps has the cylinder work piece and is convenient for fixed, and spot facing work once only accomplishes smoothly, and machining efficiency is high, and the problem among the prior art has been solved to the advantage of simple operation.

In order to achieve the above object, the utility model provides a following technical scheme: a special drilling machine clamp comprises a drilling machine workbench, wherein threaded holes are formed in four sides of the upper end of the drilling machine workbench, a clamp mounting base is arranged at the upper end of the drilling machine workbench, round holes are correspondingly formed in the clamp mounting base corresponding to the threaded holes in the upper end of the drilling machine workbench, fixing bolts are arranged on the upper side of the clamp mounting base and penetrate through holes to be screwed in the threaded holes to tightly connect the drilling machine workbench and the clamp mounting base together; the clamp comprises a clamp mounting base, a clamp body, a workpiece placing groove, a linkage mechanism, a pushing spring, an extrusion block and a clamping piece, wherein the clamp body is additionally arranged at the middle end of the clamp mounting base; a square plate is additionally arranged at the top end of the extrusion block, and a through hole A is formed in the middle end of the square plate; the upper end of the outer side of the clamping piece is provided with a through hole B, a pull rope is bound on the square plate at the through hole A, and the other end of the pull rope penetrates through the through hole B and is arranged on the clamp body.

Preferably, the outer side of the extrusion block is arc-surface-shaped, and the radian of the outer side surface of the extrusion block is the same as that of the workpiece placing groove.

Preferably, the pull rope is a steel wire rope.

Preferably, the three clamping pieces are installed on the outer side of the workpiece placing groove at equal angles, and the three clamping pieces are the same in size and model.

Preferably, the extrusion block is a stainless steel component.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this special drilling machine anchor clamps, place the cylinder work piece in the work piece standing groove, stop the pulling stay cord, the extrusion piece is under the thrust effect when propelling movement spring resets promptly, make the front end fastening of extrusion piece press from both sides the circumference tight at the cylinder work piece, the outside at the work piece standing groove is installed to angles such as three clamping piece, stabilize the cylinder work piece through the mode of three direction three point location, cooperation work piece standing groove is with cylinder work piece fastening installation on the anchor clamps body, when the drill bit carries out drilling work, from top to bottom afterburning cutting gradually, this clamp anchor clamps body gives the even support of cylinder work piece, can not have displacement and skew phenomenon to take place, the spot facing work is once only accomplished smoothly, the pulling stay cord can when taking out the cylinder work piece, and convenient for operation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic structural view of a drilling machine table of the present invention;

FIG. 4 is a view showing the state of the fixture mounting base of the present invention;

fig. 5 is an enlarged view of the region a of the present invention.

In the figure: 1. a drilling machine workbench; 2. a threaded hole; 3. a clamp mounting base; 4. a circular hole; 5. fixing the bolt; 6. a clamp body; 7. a workpiece placing groove; 8. a linkage mechanism; 9. a clamping member; 10. a support base; 11. a strip-shaped groove; 12. pushing the spring; 13. extruding the block; 14. a square plate; 15. a through hole A; 16. a through hole B; 17. and pulling a rope.

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. 1-5, a special drill jig comprises a drill table 1, wherein threaded holes 2 are formed in four sides of the upper end of the drill table 1, a jig mounting base 3 is arranged at the upper end of the drill table 1, round holes 4 are correspondingly formed in the jig mounting base 3 corresponding to the threaded holes 2 in the upper end of the drill table 1, fixing bolts 5 are arranged on the upper side of the jig mounting base 3, the fixing bolts 5 penetrate through holes and are screwed in the threaded holes 2 to tightly connect the drill table 1 and the jig mounting base 3 together; the middle end of the clamp mounting base 3 is additionally provided with a clamp body 6, the middle end of the clamp body 6 is provided with a workpiece placing groove 7, a linkage mechanism 8 is additionally arranged on the clamp mounting base 3 outside the workpiece placing groove 7, the linkage mechanism 8 comprises three clamping pieces 9, the three clamping pieces 9 are arranged on the outer side of the workpiece placing groove 7 at equal angles, the size and the model of the three clamping pieces 9 are the same, the clamping pieces 9 comprise supporting bases 10, the middle end of each supporting base 10 is provided with a strip-shaped groove 11 with a convex section, a pushing spring 12 is additionally arranged on each clamping piece 9 inside each strip-shaped groove 11, an extrusion block 13 is additionally arranged at the front end of each pushing spring 12, each extrusion block 13 is a convex type and is a stainless steel component and is sleeved in each strip-shaped groove 11, the outer side of each extrusion block 13 is arc-shaped, and the radian of the outer side surface of each extrusion block 13 is the same as; a square plate 14 is additionally arranged at the top end of the extrusion block 13, and a through hole A15 is formed in the middle end of the square plate 14; the through hole B16 has been seted up to the outside upper end of clamping piece 9, has tied up stay cord 17 on the square board 14 of through hole A15 department, and stay cord 17 adopts wire rope, and intensity is high, and is not fragile, and the other end of stay cord 17 passes through hole B16, and place on anchor clamps body 6.

When the special drilling machine clamp is used, the pull rope 17 is pulled, the extrusion block 13 is pulled outwards to compress the extrusion block 13 and keep away from the workpiece placing groove 7, the three clamping members 9 are combined together by the pull rope 17, the extrusion block 13 of the three clamping members 9 can be far away from the workpiece placing groove 7 by actuating the pull rope 17, at the moment, a cylindrical workpiece can be placed in the workpiece placing groove 7, the pull rope 17 is stopped to be pulled, the front end of the extrusion block 13 is tightly clamped on the circumference of the cylindrical workpiece under the thrust action when the push spring 12 is reset, the three clamping members 9 are arranged on the outer side of the workpiece placing groove 7 at equal angles, the cylindrical workpiece is stabilized in a three-point positioning mode in three directions, the cylindrical workpiece is tightly arranged on the clamp body 6 by matching with the workpiece placing groove 7, when a drill bit performs drilling operation, force is gradually applied from top to bottom for cutting, the clamp body 6 can uniformly support the cylindrical workpiece, displacement and deflection phenomena can not occur; the hole machining is smoothly completed at one time. The pull rope 17 is pulled when the cylindrical workpiece is taken out, so that the operation is convenient and fast.

In summary, the following steps: the special drilling machine fixture is characterized in that a cylindrical workpiece is placed in a workpiece placing groove 7, a pull rope 17 is stopped to be pulled, an extrusion block 13 is tightly clamped at the periphery of the cylindrical workpiece under the action of thrust when a pushing spring 12 is reset, the front end of the extrusion block 13 is tightly clamped at the periphery of the cylindrical workpiece, three clamping pieces 9 are arranged on the outer side of the workpiece placing groove 7 at equal angles, the cylindrical workpiece is stabilized in a three-point positioning mode in three directions, the cylindrical workpiece is tightly arranged on a fixture body 6 in a matched mode with the workpiece placing groove 7, and when a drill bit performs drilling work, force is gradually applied to cut from top to bottom, the fixture body 6 uniformly supports the cylindrical workpiece, and displacement and deflection phenomena cannot occur; the hole machining is smoothly completed at one time. The pull rope 17 is pulled when the cylindrical workpiece is taken out, so that the operation is convenient and fast.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special drilling machine anchor clamps, includes drilling machine workstation (1), its characterized in that: threaded holes (2) are formed in four sides of the upper end of the drilling machine workbench (1), a clamp mounting base (3) is arranged at the upper end of the drilling machine workbench (1), round holes (4) are correspondingly formed in the clamp mounting base (3) corresponding to the threaded holes (2) in the upper end of the drilling machine workbench (1), fixing bolts (5) are arranged on the upper side of the clamp mounting base (3), the fixing bolts (5) penetrate through the through holes and are screwed in the threaded holes (2) to tightly connect the drilling machine workbench (1) and the clamp mounting base (3) together; the clamp comprises a clamp mounting base (3), a clamp body (6) is additionally arranged at the middle end of the clamp mounting base (3), a workpiece placing groove (7) is formed in the middle end of the clamp body (6), a linkage mechanism (8) is additionally arranged on the clamp mounting base (3) on the outer side of the workpiece placing groove (7), the linkage mechanism (8) comprises three clamping pieces (9), each clamping piece (9) comprises a supporting base (10), a strip-shaped groove (11) with a convex section is formed in the middle end of the supporting base (10), a pushing spring (12) is additionally arranged on each clamping piece (9) on the inner side of each strip-shaped groove (11), an extrusion block (13) is additionally arranged at the front end of each pushing spring (12), each extrusion block (13) is convex and is sleeved in each strip-shaped groove (11); a square plate (14) is additionally arranged at the top end of the extrusion block (13), and a through hole A (15) is formed in the middle end of the square plate (14); the upper end of the outer side of the clamping piece (9) is provided with a through hole B (16), a pull rope (17) is tied on the square plate (14) at the through hole A (15), and the other end of the pull rope (17) penetrates through the through hole B (16) and is arranged on the clamp body (6).

2. The special drill press fixture of claim 1, wherein: the outer side of the extrusion block (13) is arc-surface-shaped, and the radian of the outer side surface of the extrusion block (13) is the same as that of the workpiece placing groove (7).

3. The special drill press fixture of claim 1, wherein: the pull rope (17) is a steel wire rope.

4. The special drill press fixture of claim 1, wherein: the three clamping pieces (9) are arranged on the outer side of the workpiece placing groove (7) at equal angles, and the three clamping pieces (9) are the same in size and model.

5. The special drill press fixture of claim 1, wherein: the extrusion block (13) is a stainless steel component.