CN220574812U

CN220574812U - Drilling machine with positioning structure

Info

Publication number: CN220574812U
Application number: CN202321678349.1U
Authority: CN
Inventors: 葛健康
Original assignee: Xingping Ketai Precision Machinery Co ltd
Current assignee: Xingping Ketai Precision Machinery Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2024-03-12
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses a drilling machine with a positioning structure, which comprises a base, wherein a drilling assembly is arranged at the upper end of the base, a positioning assembly is arranged at the lower end of the drilling assembly, the drilling assembly comprises two arc plates which are symmetrically and fixedly connected to the upper surface of the base, top plates are fixedly connected to the inner walls of the upper ends of the two arc plates, a cylinder is embedded in the center of the top plates, an air cylinder is embedded in the inner wall of the upper end of the cylinder, and a drilling machine is fixedly connected to the lower end of the air cylinder: the elastic spring is pushed by the downward movement of the disc, the rubber block is pushed to move downwards when the elastic spring moves downwards, pressure is applied to the elastic spring through the disc, and then the elastic spring pushes the rubber block to apply pressure to a workpiece, so that the rubber block is stably fixed, when a drill bit is contacted with the workpiece, the workpiece is fixed through the rubber block, vibration of the workpiece is prevented, and the precision of a hole drilled by the drill bit is not reduced.

Description

Drilling machine with positioning structure

Technical Field

The utility model relates to the technical field of drilling machines, in particular to a drilling machine with a positioning structure.

Background

The drilling machine is a universal machine tool with wide application, and can be used for drilling, reaming, countersinking, tapping and the like of parts.

The existing drilling machine cuts a workpiece by controlling the drill bit rotating at a high speed when the drilling machine is used, the workpiece is driven to vibrate after the drill bit is contacted with the workpiece, so that the contact position of the drill bit and the workpiece is deviated, and finally the drilling precision of the drill bit is lower.

Disclosure of Invention

The utility model aims to provide a drilling machine with a positioning structure, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the drilling machine with the positioning structure comprises a base, wherein a drilling assembly is arranged at the upper end of the base, and a positioning assembly is arranged at the lower end of the drilling assembly;

the drilling assembly comprises two arc plates, the two arc plates are symmetrically and fixedly connected to the upper surface of the base, top plates are fixedly connected to the inner walls of the upper ends of the two arc plates, a cylinder is embedded in the center of the top plates, a cylinder is embedded in the inner wall of the upper end of the cylinder, and a drilling machine is fixedly connected to the lower end of the cylinder;

the positioning assembly comprises a disc, the disc is fixedly sleeved on the surface of the drilling machine, a plurality of round holes are formed in the disc in an annular mode on the surface, vertical rods are inserted into the round holes, rubber blocks are fixedly connected to the lower ends of the vertical rods, and elastic springs are sleeved on the surface of the vertical rods.

Preferably, the circle center of the disc corresponds to the drill bit of the drilling machine, and the drill bit of the drilling machine is positioned at the centers of the round holes.

Preferably, the length of the vertical rod is longer than the length of the elastic spring, and the elastic spring is positioned between the disc and the rubber block.

Preferably, a drill hole is formed in the center of the base.

Preferably, the upper ends of the vertical rods are fixedly connected with top blocks.

Compared with the prior art, the utility model has the beneficial effects that: the elastic spring is pushed by the downward movement of the disc, the rubber block is pushed to move downwards when the elastic spring moves downwards, pressure is applied to the elastic spring through the disc, and then the elastic spring pushes the rubber block to apply pressure to a workpiece, so that the rubber block is stably fixed, when a drill bit is contacted with the workpiece, the workpiece is fixed through the rubber block, vibration of the workpiece is prevented, and the precision of a hole drilled by the drill bit is not reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of a resilient spring according to the present utility model;

fig. 4 is a schematic view of the structure of the vertical rod of the present utility model.

In the figure: 1. a base; 2. a drilling assembly; 21. an arc plate; 22. a top plate; 23. a cylinder; 24. a cylinder; 25. a drilling machine; 26. drilling holes; 3. a positioning assembly; 31. a disc; 32. a round hole; 33. a vertical rod; 34. a top block; 35. a rubber block; 36. and an elastic spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the drilling machine with the positioning structure comprises a base 1, wherein a drilling assembly 2 is arranged at the upper end of the base 1, and a positioning assembly 3 is arranged at the lower end of the drilling assembly 2;

the drilling assembly 2 comprises two arc plates 21, wherein the two arc plates 21 are symmetrically and fixedly connected to the upper surface of the base 1, the inner walls of the upper ends of the two arc plates 21 are fixedly connected with a top plate 22, a cylinder 23 is embedded in the center of the top plate 22, an air cylinder 24 is embedded in the inner wall of the upper end of the cylinder 23, the lower end of the air cylinder 24 is fixedly connected with a drilling machine 25, the drilling machine 24 is pushed to move downwards through the arranged air cylinder 24, and a workpiece on the base 1 is drilled when the drilling machine 24 moves downwards;

the positioning component 3 comprises a disc 31, the disc 31 is fixedly sleeved on the surface of the drilling machine 25, a plurality of round holes 32 are formed in the surface of the disc 31 in an annular shape, vertical rods 33 are inserted in the round holes 32, rubber blocks 35 are fixedly connected to the lower ends of the vertical rods 33, elastic springs 36 are sleeved on the surface of the vertical rods 33, the elastic springs 36 are pushed by the disc 31, the rubber blocks 35 are pushed to move downwards by the elastic springs 36, and then the rubber blocks 35 squeeze and fix a workpiece.

The center of the disc 31 corresponds to the drill bit of the drilling machine 25, the drill bit of the drilling machine 25 is positioned at the center of the circular holes 32, and the rubber blocks 35 arranged on the outer side of the drill bit are limited by the disc 31 and are arranged around the drill bit.

The length of the vertical rod 33 is longer than that of the elastic spring 36, the elastic spring 36 is positioned between the disc 31 and the rubber block 35, and then the elastic spring 36 is loosened when the disc 31 moves back, so that the elastic spring 36 is prevented from being damaged due to long-term pressure.

A borehole 26 is formed in the center of the base 1, and the drill bit is prevented from damaging contact with the base 1 after the workpiece is drilled by the drill bit through the borehole 36.

The upper ends of the vertical rods 33 are fixedly connected with top blocks 34, and the vertical rods 33 are supported by the top blocks 34 and clamped in the round holes 32.

Specifically, when the utility model is used, firstly, a workpiece is placed on the base 1, then the cylinder 24 is started to push the drilling machine 25 to move downwards, the drilling machine 25 drives the drill bit to be close to the workpiece for punching when moving downwards, the disc 31 is driven to move downwards when moving downwards, the vertical rod 33 in the round hole 32 is driven to move downwards when moving downwards, meanwhile, the elastic spring 36 is pushed when moving downwards, the elastic spring 36 pushes the rubber block 35 to move downwards, the rubber block 35 is extruded on the surface of the workpiece, then, the disc 31 applies pressure to the elastic spring 36, and then the elastic spring 36 pushes the rubber block 35 to apply pressure to the workpiece, and then, the rubber block 35 is used for stably fixing the workpiece.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The drilling machine with the positioning structure comprises a base (1), wherein a drilling assembly (2) is arranged at the upper end of the base (1), and a positioning assembly (3) is arranged at the lower end of the drilling assembly (2);

the method is characterized in that: the drilling assembly (2) comprises two arc plates (21), the two arc plates (21) are symmetrically and fixedly connected to the upper surface of the base (1), top plates (22) are fixedly connected to the inner walls of the upper ends of the two arc plates (21), a cylinder (23) is embedded in the center of each top plate (22), an air cylinder (24) is embedded in the inner wall of the upper end of each cylinder (23), and a drilling machine (25) is fixedly connected to the lower end of each air cylinder (24);

the positioning assembly (3) comprises a disc (31), the disc (31) is fixedly sleeved on the surface of the drilling machine (25), a plurality of round holes (32) are formed in the disc (31) in an annular mode, vertical rods (33) are inserted into the round holes (32), rubber blocks (35) are fixedly connected to the lower ends of the vertical rods (33), and elastic springs (36) are sleeved on the surface of the vertical rods (33).

2. A drilling machine with a locating structure according to claim 1, wherein: the circle center of the disc (31) corresponds to the drill bit of the drilling machine (25), and the drill bit of the drilling machine (25) is positioned at the centers of the round holes (32).

3. A drilling machine with a locating structure according to claim 1, wherein: the length of the vertical rod (33) is longer than that of the elastic spring (36), and the elastic spring (36) is positioned between the disc (31) and the rubber block (35).

4. A drilling machine with a locating structure according to claim 1, wherein: a drilling hole (26) is formed in the center of the base (1).

5. A drilling machine with a locating structure according to claim 1, wherein: the upper ends of the vertical rods (33) are fixedly connected with top blocks (34).