CN213411255U

CN213411255U - Locking drill bit replacement mechanism for drilling machine that moves

Info

Publication number: CN213411255U
Application number: CN202022344726.0U
Authority: CN
Inventors: 李国生; 李群; 徐勤兰; 刘凯
Original assignee: Jinan Hengtai Foundry Co ltd
Current assignee: Jinan Hengtai Foundry Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-11
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a locking drill bit change mechanism for drilling machine that moves, the power distribution box comprises a box body, one side of bottom of the box body is provided with electric push rod, the drill bit is convenient to change, the middle of the electric push rod outside is provided with the collar, one side of collar is provided with the installation pole, the bottom of installation pole is provided with the mounting groove, the top of the inside of mounting groove is provided with the spring, the bottom of spring is provided with the fixed block, the bottom of fixed block extends to the outside of installation pole, the bottom of the collar outside is provided with bearing A, the outside of bearing A is provided with the sleeve pipe, the bilateral symmetry of sleeve pipe is provided with the mounting panel, one side of mounting panel top is provided with draw-; the utility model discloses a under the cooperation of installation section of thick bamboo, bolt and splint, when changing the drill bit, only need to rotate the bolt and just can pull down the drill bit, during the installation, two sets of splint can grasp the drill bit, prevent that the drill bit from becoming flexible, have improved stability.

Description

Locking drill bit replacement mechanism for drilling machine that moves

Technical Field

The utility model relates to a drill bit technical field specifically is a locking drill bit change mechanism for drilling machine that moves.

Background

The drilling machine is a machine tool which mainly uses a drill bit to process holes on a workpiece, usually, the drill bit rotates into main motion, the drill bit moves axially into feed motion, the drilling machine is simple in structure and relatively low in processing precision, can drill through holes and blind holes, replace special cutters, expand, ream or tap and the like, the workpiece is fixed in the processing process, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates (the main motion), and the drilling machine is characterized in that the workpiece is fixed and the cutter does rotary motion;

the prior device has the following defects:

1. when the drill bit is replaced, the existing drill bit replacing mechanism for the drilling machine is troublesome in replacement, wastes a large amount of time when replaced, is unstable in replacement, and leads to the fact that the drill bit is easy to loosen when in use, so that potential safety hazards exist.

2. When the drill bit for the existing drilling machine is used for drilling holes with different diameters, the drill bit with the original diameter needs to be detached and replaced by the drill bit with other diameters, which is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a locking drill bit replacing mechanism for a drilling machine, which solves the problems that the prior drill bit replacing mechanism for the drilling machine has troublesome replacement when replacing a drill bit, wastes a large amount of time when replacing the drill bit, and is unstable when replacing the drill bit, so that the drill bit is easy to loose when in use and has potential safety hazard; when the holes of different diameters are drilled by the drill bit for the existing drilling machine, the drill bit with the original diameter needs to be detached and replaced by the drill bit with other diameters, so that the problem of great trouble is solved.

In order to achieve the above object, the utility model provides a following technical scheme: a drill bit replacing mechanism for a loosening-proof drilling machine comprises a box body, wherein an electric push rod is arranged on one side of the bottom of the box body, a drill bit is convenient to replace, a mounting ring is arranged in the middle of the outer side of the electric push rod, a mounting rod is arranged on one side of the mounting ring, a mounting groove is formed in the bottom of the mounting rod, a spring is arranged at the top inside the mounting groove, a fixing block is arranged at the bottom of the spring, the bottom of the fixing block extends to the outer portion of the mounting rod, a bearing A is arranged at the bottom of the outer side of the mounting ring, a sleeve is arranged on the outer side of the bearing A, mounting plates are symmetrically arranged on two sides of the sleeve, a clamping groove A is arranged on one side of the top of each mounting plate, the clamping groove A is matched with the fixing block, a, the inboard of an installation section of thick bamboo is provided with the drill bit, the both sides of an installation section of thick bamboo are provided with the bolt, one side of bolt extends to the inside of an installation section of thick bamboo and is provided with splint, the top of box is provided with the motor, the output of motor is provided with the pivot, and the bottom of pivot extends to the bottom of box.

Preferably, a limiting plate is arranged at the top of the fixing block.

Preferably, the bottom of the fixing block and the clamping groove A are both made of arc-shaped structures.

Preferably, the outside of motor is provided with the installation storehouse, and the inboard in installation storehouse is provided with the amortization cotton.

Preferably, the mounting bar is made of an L-shaped structure.

Preferably, the bottoms of the two sides of the rotating shaft are symmetrically provided with clamping blocks, the tops of the two sides in the lantern ring are symmetrically provided with clamping grooves B, and the clamping grooves B are matched with the clamping blocks.

Preferably, the splint is made of an arc-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: the drill bit replacing mechanism for the anti-loosening drilling machine;

1. under the cooperation through installation section of thick bamboo, bolt and splint, when changing the drill bit, only need rotate the bolt and just can pull down the drill bit, during the installation, two sets of splint can grasp the drill bit, prevent that the drill bit from becoming flexible, have improved stability.

2. The drill bits with other diameters can be replaced without detaching the drill bits under the matching of the electric push rod, the sleeve, the bearing A and the mounting plate, so that the convenience is greatly improved, and the replacement difficulty is reduced;

3. under the cooperation through collar, installation pole, spring, fixed block and draw-in groove A, need not when changing the drill bit of different diameters, the manual work makes the pivot aim at the lantern ring and inserts, when the fixed block card was on draw-in groove A, only need start electric putter, just can make pivot disect insertion lantern ring in.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B of fig. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at C in fig. 1 according to the present invention.

In the figure: 1. a box body; 2. a motor; 3. a rotating shaft; 4. mounting a rod; 5. a sleeve; 6. a bearing A; 7. mounting a plate; 8. a mounting ring; 9. an electric push rod; 10. a spring; 11. a fixed block; 12. a clamping groove A; 13. a drill bit; 14. a bearing B; 15. a collar; 16. mounting the cylinder; 17. a splint; 18. a bolt; 19. a clamping block; 20. mounting grooves; 21. and a clamping groove B.

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, the present invention provides an embodiment: a drill bit replacing mechanism for a loosening-proof drilling machine comprises a box body 1, wherein an electric push rod 9 is arranged on one side of the bottom of the box body 1, a mounting ring 8 is arranged in the middle of the outer side of the electric push rod 9, a mounting rod 4 is arranged on one side of the mounting ring 8, a mounting groove 20 is arranged at the bottom of the mounting rod 4, a spring 10 is arranged at the top of the inner part of the mounting groove 20, a fixing block 11 is arranged at the bottom of the spring 10, the bottom of the fixing block 11 extends to the outer part of the mounting rod 4, a bearing A6 is arranged at the bottom of the outer side of the mounting ring 8, a sleeve 5 is arranged on the outer side of a bearing A6, mounting plates 7 are symmetrically arranged on two sides of the sleeve 5, a clamping groove A12 is arranged on one side of the top of the mounting plate 7, a clamping groove A12 is matched with the fixing block 11, a bearing B, the both sides of an installation section of thick bamboo 16 are provided with bolt 18, and one side of bolt 18 extends to the inside of an installation section of thick bamboo 16 and is provided with splint 17, has played the centre gripping effect, and the top of box 1 is provided with motor 2, and the output of motor 2 is provided with pivot 3, and the bottom of pivot 3 runs through pivot 3 and extends to the inside of lantern ring 15.

The motor 2 and the electric push rod 9 in the device are the prior art, and the composition structure and the connection mode of the device are completely the same as those of the prior device.

Further, the top of fixed block 11 is provided with the limiting plate, prevents that fixed block 11 from droing in the mounting groove 20.

Furthermore, the bottom of the fixing block 11 and the clamping groove a12 are both made of arc structures, so that clamping is facilitated.

Further, the outside of motor 2 is provided with the installation storehouse, and the inboard in installation storehouse is provided with the amortization cotton, prevents that motor 2 from rotating, reduces motor 2's noise.

Further, the mounting rod 4 is made of an L-shaped structure, which facilitates mounting.

Furthermore, the bottoms of the two sides of the rotating shaft 3 are symmetrically provided with clamping blocks 19, the tops of the two sides in the lantern ring 15 are symmetrically provided with clamping grooves B21, and the clamping grooves B21 are matched with the clamping blocks 19 to prevent the rotating shaft 3 from idling.

Further, the clamping plate 17 is made of an arc-shaped structure, so that the clamping effect is improved.

The working principle is as follows: the electric parts of the device are all powered by an external power supply, when a drill bit 13 is damaged, the drill bit 13 can be detached by rotating the bolt 18, when the device is installed, the drill bit 13 can be fixed by only putting the drill bit 13 into the installation cylinder 16 to rotate the bolt 18, and clamping the drill bit 13 by the clamping plate 17, so that the drill bit 13 is prevented from loosening, when the drill bits with different diameters need to be replaced, the electric push rod 9 is started to push out, the rotating shaft 3 is separated from the lantern ring 15, then the sleeve pipe 5 is rotated, the fixing block 11 is separated from the clamping groove A12, when the fixing block 11 rotates to another clamping groove A12, the spring 10 is reset to push the fixing block 11 to clamp the fixing block 11 in the clamping groove A12, at the moment, the electric push rod 9 is started to lift up, the rotating shaft 3 can be inserted into the lantern ring 15, then the motor 2 is started, the rotating shaft 3 is driven by the motor 2, thereby rotating the drill bit 13.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a locking drill bit for drilling machine changes mechanism that moves, includes box (1), its characterized in that: one side of the bottom of the box body (1) is provided with an electric push rod (9), the middle of the outer side of the electric push rod (9) is provided with a mounting ring (8), one side of the mounting ring (8) is provided with a mounting rod (4), the bottom of the mounting rod (4) is provided with a mounting groove (20), the top of the inner part of the mounting groove (20) is provided with a spring (10), the bottom of the spring (10) is provided with a fixed block (11), the bottom of the fixed block (11) extends to the outer part of the mounting rod (4), the bottom of the outer side of the mounting ring (8) is provided with a bearing A (6), the outer side of the bearing A (6) is provided with a sleeve (5), the bilateral symmetry of the sleeve (5) is provided with a mounting plate (7), one side of the top of the mounting plate (7) is provided with a clamping groove A (, the top of mounting panel (7) is provided with bearing B (14), the inboard of bearing B (14) is provided with the lantern ring (15), the bottom of the lantern ring (15) is provided with installation section of thick bamboo (16), the inboard of installation section of thick bamboo (16) is provided with drill bit (13), the both sides of installation section of thick bamboo (16) are provided with bolt (18), one side of bolt (18) extends to the inside of installation section of thick bamboo (16) and is provided with splint (17), the top of box (1) is provided with motor (2), the output of motor (2) is provided with pivot (3), and the bottom of pivot (3) extends to the bottom of box (1).

2. The bit replacement mechanism for a drill press as claimed in claim 1, wherein: and a limiting plate is arranged at the top of the fixing block (11).

3. The bit replacement mechanism for a drill press as claimed in claim 1, wherein: the bottom of the fixing block (11) and the clamping groove A (12) are both made of arc-shaped structures.

4. The bit replacement mechanism for a drill press as claimed in claim 1, wherein: the outside of motor (2) is provided with the installation storehouse, and the inboard in installation storehouse is provided with the amortization cotton.

5. The bit replacement mechanism for a drill press as claimed in claim 1, wherein: the mounting rod (4) is made of an L-shaped structure.

6. The bit replacement mechanism for a drill press as claimed in claim 1, wherein: the bottom of the two sides of the rotating shaft (3) is symmetrically provided with clamping blocks (19), the tops of the two sides in the lantern ring (15) are symmetrically provided with clamping grooves B (21), and the clamping grooves B (21) are matched with the clamping blocks (19) mutually.

7. The bit replacement mechanism for a drill press as claimed in claim 1, wherein: the clamping plate (17) is made of an arc-shaped structure.