CN215879960U

CN215879960U - Drilling machine capable of preventing drill bit from being broken

Info

Publication number: CN215879960U
Application number: CN202122021508.8U
Authority: CN
Inventors: 李斯建; 李良茜
Original assignee: Nantong Crown Cnc Machine Tool Co ltd
Current assignee: Nantong Crown Cnc Machine Tool Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-22
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a drilling machine for preventing a drill bit from being broken, which comprises a drilling machine support, wherein one end of the top of the drilling machine support is inserted with a drilling machine head, the middle position of the top of the drilling machine support is inserted with a positioning frame, four corners of the top of the positioning frame are respectively inserted with first positioning rods, the top ends of the four first positioning rods are respectively fixedly provided with a workbench, and the top ends of the four first positioning rods are respectively fixedly connected with the four corners of the bottom of the workbench. Thereby avoiding the occurrence of the fracture condition of the drill bit and improving the working efficiency.

Description

Drilling machine capable of preventing drill bit from being broken

Technical Field

The utility model relates to the field of drilling machines for preventing drill bit fracture, in particular to a drilling machine for preventing drill bit fracture.

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 to move mainly, the drill bit moves axially to move in a feeding mode, the drilling machine is simple in structure, machining precision is relatively low, through holes and blind holes can be drilled, special cutters can be replaced, expanding, spot facing and reaming or tapping and the like can be carried out, the workpiece is fixed in the machining process, the cutters move, the centers of the cutters are aligned with the center of the hole, the cutters rotate (move mainly), and the drilling machine is characterized in that the workpiece is fixed and the cutters do rotating motion.

Among the prior art, the drilling machine is because work piece hardness is great or operating personnel exert oneself too big in the operation process, and the condition that leads to the drilling machine drill bit fracture often takes place, and the vibration is great when the drilling machine processes the work piece simultaneously to influence the machining precision of work piece, reduce the work efficiency of drilling machine, consequently need a drilling machine that prevents the drill bit fracture.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a drill press for preventing drill bit breakage, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a drilling machine capable of preventing a drill bit from being broken comprises a drilling machine support, wherein a drilling machine head is arranged at one end of the top of the drilling machine support in an inserting mode, a positioning frame is arranged at the middle position of the top of the drilling machine support in an inserting mode, first positioning rods are arranged at four corners of the top of the positioning frame in an inserting mode, a workbench is fixedly arranged at the top ends of the four first positioning rods, the top ends of the four first positioning rods are fixedly connected with the four corners of the bottom of the workbench respectively, positioning tables are fixedly arranged at the middle positions of two sides of the positioning frame, positioning blocks are fixedly arranged at one ends of the tops of the two positioning tables, second positioning rods are arranged at the middle positions of one sides of the two positioning blocks in an inserting mode, first springs are arranged at one ends of the outer walls of the two second positioning rods in an inserting mode, oblique blocks are fixedly arranged at one ends of the two second positioning rods, one sides of the two oblique blocks are respectively in contact with the middle positions of two sides of the bottom of the workbench, and a contact alarm is fixedly arranged in the middle of the top of the positioning frame.

Preferably, four the one end of first locating lever outer wall all alternates and is equipped with the second spring, four the both ends of second spring contact with four edges and four edges at locating rack top of workstation bottom respectively.

Preferably, the bottom ends of the four first positioning rods are fixedly provided with first limiting blocks.

Preferably, two the spout has all been seted up to the intermediate position at location bench top, two the spout all slides and is equipped with the slider, and two sliders are fixed the bottom that sets up at two sloping blocks respectively.

Preferably, one end of each of the two second positioning rods is fixedly provided with a second limiting block.

Preferably, one side of the drilling machine support is fixedly provided with a switch panel, the surface of the switch panel is fixedly provided with a contact alarm switch, and the contact alarm is electrically connected with an external power supply through the contact alarm switch.

The utility model has the technical effects and advantages that:

(1) the working table moves downwards to be respectively contacted with the top ends of the two inclined blocks, so that the two inclined blocks are stressed to expand outwards, the second positioning rod fixed on one side of each of the two inclined blocks is respectively and alternately connected with the positioning block fixed on the top end of the positioning table, the two inclined blocks are stably stressed to slide along the sliding groove formed in the middle position of the top end of the positioning table through elastic deformation of the two first springs and fixation of the second limiting block, when the force is too large, the contact alarm generates alarm prompt, the drilling force is changed, the drilling tool bit is replaced, and an alarm can be given out through the pressure alarm device, so that the magnitude of the force applied by the drill bit can be controlled and adjusted in the process of processing a workpiece, the drill bit cannot be overloaded in the processing process, the occurrence of the fracture condition of the drill bit is avoided, and the working efficiency is improved;

(2) fixed first locating rod through four edges of workstation bottom alternates with four edges at locating rack top respectively and is connected, it is equipped with the second spring to alternate through four first locating rod outer walls, make the stable buffering of workstation support on the top of locating rack, make the work piece obtain stable buffering protection in drilling, through setting up damping device at the base lower extreme, thereby alleviate the intensity of vibration of drilling machine in the work piece processing, and then improve drilling machine machining precision, and then improve the processingquality of work piece.

Drawings

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

FIG. 2 is a schematic view of a buffer structure according to the present invention;

FIG. 3 is a schematic view of a positioning structure according to the present invention.

In the figure: 1. a drill press support; 2. a drilling machine head; 3. a positioning frame; 4. a first positioning rod; 5. a work table; 6. a positioning table; 7. a touch alarm; 8. a second spring; 9. a first stopper; 10. a chute; 11. a sloping block; 12. positioning blocks; 13. a second positioning rod; 14. a first spring; 15. and a second limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a drilling machine capable of preventing a drill bit from being broken, which comprises a drilling machine support 1, wherein one end of the top of the drilling machine support 1 is inserted with a drilling machine head 2, the middle position of the top of the drilling machine support 1 is inserted with a positioning frame 3, one side of the drilling machine support 1 is fixedly provided with a switch panel, the surface of the switch panel is fixedly provided with a contact alarm switch, and a contact alarm 7 is electrically connected with an external power supply through the contact alarm switch;

the utility model provides a drilling machine capable of preventing a drill bit from being broken, which is shown in fig. 2, wherein four corners at the top of a positioning frame 3 are respectively and alternately provided with a first positioning rod 4, the top ends of the four first positioning rods 4 are respectively and fixedly provided with a workbench 5, the top ends of the four first positioning rods 4 are respectively and fixedly connected with four corners at the bottom of the workbench 5, the middle position at the top of the positioning frame 3 is fixedly provided with a contact alarm 7, one end of the outer wall of each of the four first positioning rods 4 is respectively and alternately provided with a second spring 8, two ends of each of the four second springs 8 are respectively in contact with four corners at the bottom of the workbench 5 and four corners at the top of the positioning frame 3, and the bottom ends of the four first positioning rods 4 are respectively and fixedly provided with a first limiting block 9;

the utility model provides a drilling machine capable of preventing a drill bit from being broken, which is shown in fig. 3, wherein positioning tables 6 are fixedly arranged at the middle positions of two sides of a positioning frame 3, positioning blocks 12 are fixedly arranged at one ends of the tops of the two positioning tables 6, second positioning rods 13 are respectively inserted into the middle positions of one sides of the two positioning blocks 12, first springs 14 are respectively inserted into one ends of the outer walls of the two second positioning rods 13, inclined blocks 11 are respectively fixedly arranged at one ends of the two second positioning rods 13, one sides of the two inclined blocks 11 are respectively contacted with the middle positions of two sides of the bottom of a workbench 5, sliding grooves 10 are respectively arranged at the middle positions of the tops of the two positioning tables 6, sliding blocks are respectively arranged in the sliding manner in the two sliding grooves 10, the two sliding blocks are respectively fixedly arranged at the bottom ends of the two inclined blocks 11, and second limiting blocks 15 are respectively fixedly arranged at one ends of the two second positioning rods 13.

The working principle of the utility model is as follows: when a drilling machine is required to drill a workpiece, a worker places the workpiece on the top end of a workbench 5, when the drilling machine head 2 is controlled to drill, the workpiece drives the workbench 5 to exert force downwards along with the drilling machine head 2, the workbench 5 is respectively and alternately connected with four corners at the top of a positioning frame 3 through first positioning rods 4 fixed at the four corners at the bottom, second springs 8 are alternately arranged on the outer walls of the four first positioning rods 4, so that the workbench 5 is stably supported on the top end of the positioning frame 3 in a buffering manner, the workpiece is stably protected in a buffering manner while drilling, a damping device is arranged at the lower end of a base, the vibration intensity of the drilling machine in the workpiece machining process is reduced, the machining precision of the drilling machine is improved, the machining quality of the workpiece is improved, when the workbench 5 moves downwards, the middle positions of two sides at the bottom of the workbench 5 are respectively contacted with the top ends of two oblique blocks 11, the two inclined blocks 11 are stressed to expand outwards, the second positioning rods 13 fixed on one sides of the two inclined blocks 11 are respectively inserted and connected with the positioning blocks 12 fixed on the top end of the positioning table 6, the two inclined blocks 11 are stably stressed to slide along the sliding grooves 10 formed in the middle position of the top end of the positioning table 6 through elastic deformation of the two first springs 14 and fixation of the second limiting blocks 15, the workpieces on the top end of the working table 5 are convenient to process normally through normal elasticity of the two first springs 14 and the four second springs 8, when the hardness of the workpieces is large or the force of an operator is too large, the bottom end of the working table 5 is just in contact with the top end of the contact alarm 7 fixed on the top end of the positioning frame 3, the contact alarm 7 gives an alarm prompt to change the drilling force to replace the drilling tool bit, the alarm can be given through the pressure alarm device, and the drill bit can control and adjust the force application in the workpiece processing process, and then make the drill bit can not the atress overload in the course of working, and then avoid the emergence of the drill bit fracture condition, improve work efficiency.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drilling machine capable of preventing drill bit fracture comprises a drilling machine support (1) and is characterized in that one end of the top of the drilling machine support (1) is provided with a drilling machine head (2) in an inserting mode, a positioning frame (3) is arranged in the middle of the top of the drilling machine support (1) in an inserting mode, four corners of the top of the positioning frame (3) are provided with first positioning rods (4) in an inserting mode, the top ends of the four first positioning rods (4) are fixedly provided with a workbench (5) respectively and fixedly connected with the four corners of the bottom of the workbench (5), positioning tables (6) are fixedly arranged in the middle of two sides of the positioning frame (3), positioning blocks (12) are fixedly arranged at one end of the tops of the two positioning tables (6), and second positioning rods (13) are arranged in the middle of one side of the two positioning blocks (12) in an inserting mode, two the one end of second locating lever (13) outer wall all alternates and is equipped with first spring (14), two the one end of second locating lever (13) all is fixed and is equipped with sloping block (11), two one side of sloping block (11) contacts with the intermediate position of workstation (5) bottom both sides respectively, the intermediate position of locating rack (3) top is fixed and is equipped with contact alarm (7).

2. The drill press for preventing the drill bit from being broken according to claim 1, wherein a second spring (8) is inserted into one end of each of the outer walls of the four first positioning rods (4), and two ends of each of the four second springs (8) are respectively in contact with four corners of the bottom of the workbench (5) and four corners of the top of the positioning frame (3).

3. The drilling machine capable of preventing the drill bit from being broken according to claim 1, wherein the bottom ends of the four first positioning rods (4) are fixedly provided with first limiting blocks (9).

4. The drilling machine capable of preventing the drill bit from being broken according to claim 1, wherein sliding grooves (10) are formed in the middle positions of the tops of the two positioning tables (6), sliding blocks are arranged on the two sliding grooves (10) in a sliding mode, and the two sliding blocks are fixedly arranged at the bottom ends of the two inclined blocks (11) respectively.

5. The drilling machine capable of preventing the drill bit from being broken according to claim 1, wherein a second limiting block (15) is fixedly arranged at one end of each of the two second positioning rods (13).

6. The drilling machine capable of preventing the drill bit from being broken according to claim 1, wherein a switch panel is fixedly arranged on one side of the drilling machine support (1), a contact alarm switch is fixedly arranged on the surface of the switch panel, and the contact alarm (7) is electrically connected with an external power supply through the contact alarm switch.