CN213857164U

CN213857164U - Automatic drilling machine

Info

Publication number: CN213857164U
Application number: CN202022976136.XU
Authority: CN
Inventors: 琚华锋
Original assignee: Zhejiang Xinjiashuo Technology Co ltd
Current assignee: Zhejiang Xinjiashuo Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-03
Anticipated expiration: 2030-12-09

Abstract

The utility model relates to an automatic drilling machine, including workstation and vertical downward and liftable and be used for the drill bit of drilling, its characterized in that: the clamp comprises a positioning ring which is arranged on the workbench and is used for clamping a workpiece, at least two movable cavities which are arranged on the positioning ring and extend radially, a fixed shaft which is movable in the movable cavities and one end of which can extend into the positioning inner cavity and is used for fixing the workpiece, and a limiting sleeve which is sleeved on the positioning ring and is coaxially arranged with the positioning ring; the limiting sleeve is provided with a through hole for a drill bit to pass through, and the inner side wall of the limiting sleeve is provided with a plurality of force application modules which correspond to the fixed shafts one by one and can drive the fixed shafts to move towards the center of the positioning ring in the radial direction; the utility model has the advantages that: and (5) drilling stably.

Description

Automatic drilling machine

Technical Field

The utility model relates to a drilling equipment technical field, in particular to automatic drilling machine.

Background

An automatic drilling machine is a device for processing a workpiece and forming a process hole (including a blind hole), while the existing drilling machine needs to fix the workpiece during processing so as to complete stable processing, however, the fixing effect of the existing drilling machine on the fixed part of the workpiece is extremely poor, and during drilling, the workpiece is very easy to shake, and is seriously even thrown away, so that the automatic drilling machine has instability and certain potential safety hazard;

meanwhile, a large amount of scrap iron can be generated during drilling at present, and the production environment of the workpiece is easily influenced by the scrap iron.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an automatic drilling machine aims at solving the problem that appears in the above-mentioned background art.

The technical scheme of the utility model is realized like this: the utility model provides an automatic drilling machine, includes workstation and vertical downward and liftable and be used for the drill bit of drilling, its characterized in that: the clamp comprises a positioning ring which is arranged on the workbench and is used for clamping a workpiece, at least two movable cavities which are arranged on the positioning ring and extend radially, a fixed shaft which is movable in the movable cavities and one end of which can extend into the positioning inner cavity and is used for fixing the workpiece, and a limiting sleeve which is sleeved on the positioning ring and is coaxially arranged with the positioning ring; the limiting sleeve is provided with a through hole for a drill bit to pass through, and the inner side wall of the limiting sleeve is provided with a plurality of force application modules which are in one-to-one correspondence with the fixed shafts and can drive the fixed shafts to move towards the center of the positioning ring in the radial direction.

Preferably: the force application module comprises a groove arranged on the inner wall of the limiting sleeve, force application shafts arranged in the groove and in sliding connection with the groove walls of the groove and in one-to-one correspondence with the fixed shafts, a stress cavity formed in one side, close to the bottom of the groove, of the force application shaft, and a compression spring fixedly connected between the bottom of the stress cavity and the bottom of the groove.

Preferably: the outer wall of the positioning ring is provided with a plurality of positioning grooves which are connected with the cavity opening of the movable cavity and used for the end part of the force application shaft to move.

Preferably: the inner wall of the positioning inner cavity is fixedly connected with a plurality of positioning bulges positioned between the adjacent movable cavities.

Preferably: the air exhaust pipe is characterized by further comprising an air exhaust pipe, one end of the air exhaust pipe is installed on the limiting sleeve and is communicated with the inside of the limiting sleeve, and an air exhaust pump is arranged at the free end of the air exhaust pipe.

The utility model has the advantages that:

1) the utility model discloses utilize the location inner chamber of holding ring to come to the work piece (for example: a shaft), and before processing, a limiting sleeve can be sleeved on the positioning ring, and a force application module arranged on the limiting sleeve is used for applying force to each fixed shaft, so that a workpiece in the positioning inner cavity can be fixed by one end of each fixed shaft, the fixing effect on the workpiece is further improved, and the processing stability is ensured;

2) secondly, the utility model discloses utilize the stop collar can add man-hour, will process a large amount of iron fillings "restriction" that produce in the stop collar to can further utilize aspiration pump and exhaust tube to discharge iron fillings, thereby ensure the environment of production.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

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 efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-2, the present invention discloses an automatic drilling machine, which comprises a working table 10 and a drill bit 11 that is vertically downward, can be lifted and used for drilling, in the embodiment of the present invention, the present invention includes a fixture 20 that is installed on the working table 10 and is used for clamping a workpiece 12, the fixture 20 includes a positioning ring 201 that is installed on the working table 10 and has a positioning inner cavity 200, at least two movable cavities 202 that are installed on the positioning ring 201 and extend radially, a fixed shaft 203 that is movable in the movable cavity 202 and one end of which can extend into the positioning inner cavity 200 and is used for fixing the workpiece 12, and a stop collar 30 that is sleeved on the positioning ring 201 and is coaxially arranged with the positioning ring 201; the limiting sleeve 30 is provided with a through hole 300 for the drill bit 11 to pass through, and a plurality of force application modules 40 which are in one-to-one correspondence with the fixing shafts 203 and can drive the fixing shafts 203 to move towards the center of the positioning ring 201 are mounted on the inner side wall of the limiting sleeve 30.

In the embodiment of the present invention, the force application module 40 includes a groove 400 disposed on the inner wall of the stop collar 30, a force application shaft 401 slidably connected to the groove wall of the groove 400 and corresponding to each fixing shaft 203, and a compression spring 403 fixedly connected between the bottom of the force application cavity 402 and the bottom of the groove 400, wherein the force application shaft 401 is disposed in the groove 400 and close to the bottom of the groove 400.

In the embodiment of the present invention, the outer wall of the positioning ring 201 is provided with a plurality of positioning grooves 50 connected to the opening of the movable cavity 202 and used for the movement of the end of the force applying shaft 401.

In the embodiment of the present invention, a plurality of positioning protrusions 60 located between adjacent movable cavities 202 are fixedly connected to the inner wall of the positioning inner cavity 200.

Referring to fig. 1-2, the principle of the present embodiment is:

when the workpiece is used, the limiting sleeve can be taken down, one end of the fixed shaft is contracted in the movable cavity by using the fixed shaft, then the workpiece is placed in the positioning inner cavity (the workpiece can be positioned by the positioning bulge, so that the processing precision and stability of the workpiece can be ensured), after the workpiece is placed, the fixed shaft is moved, one end of the fixed shaft is contacted with the workpiece, and finally, the limiting sleeve is sleeved, so that the force application module arranged on the limiting sleeve can slide in the positioning groove, one end of the force application shaft is clamped into the movable cavity from the outer end of the movable cavity and then is propped against the fixed shaft under the action of the compression spring, and further the fixed shaft is propped against the workpiece, the installation is completed, the compression spring is used for applying thrust to the force application shaft, the force application shaft is used for applying thrust to the fixed shaft, and then the fixed shaft is used for fixing the workpiece, so that the stability of workpiece processing can be ensured;

meanwhile, the limiting sleeve is arranged, so that a large amount of scrap iron generated by processing can not be scattered outside, and a large amount of scrap iron can be concentrated in the limiting sleeve, so that a workshop can be prevented from being polluted, and a good working environment is ensured;

the limiting sleeve can be used for preventing the workpiece from being thrown away due to the fault of the clamp when the workpiece is machined, so that the machining safety can be ensured;

secondly, one end of the force application shaft of the embodiment can be clamped into the movable cavity, the force application shaft can be prevented from being separated from the movable cavity, meanwhile, the positioning groove arranged on the positioning ring can be used for the force application shafts to slide, the mounting accuracy of the limiting sleeve is ensured, and further, the force application modules can be ensured to provide good extrusion force for the fixed shafts, and further, the processing stability of workpieces is ensured;

the stress cavity for one end of the compression spring to penetrate through and the groove are arranged on the stress shaft, so that the stability of the force application of the compression spring can be ensured.

Example 2 is different from example 1 in that

As shown in fig. 3, in the embodiment of the present invention, the air extracting device further includes an air extracting pipe 70 having one end installed on the position limiting sleeve 30 and communicated with the inside of the position limiting sleeve 30, and a suction pump 71 is disposed at a free end of the air extracting pipe 70.

The exhaust pipe of the embodiment can be communicated with the area inside the limiting sleeve, iron chips generated during drilling of the drill bit can be extracted through the exhaust pipe, so that the chips can be removed, the workshop environment is prevented from being polluted by the iron chips, the exhaust pump of the embodiment can also be replaced by other existing air sources (such as an exhaust fan and the like), and secondly, the exhaust pipe of the embodiment can be provided with a plurality of exhaust pipes, and the input ends of the exhaust pipes are arranged around the outer wall of the limiting sleeve at equal intervals in the circumferential direction, so that the dust collection efficiency can be improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic drilling machine, includes workstation and vertical downward and liftable and be used for the drill bit of drilling, its characterized in that: the clamp comprises a positioning ring which is arranged on the workbench and is used for clamping a workpiece, at least two movable cavities which are arranged on the positioning ring and extend radially, a fixed shaft which is movable in the movable cavities and one end of which can extend into the positioning inner cavity and is used for fixing the workpiece, and a limiting sleeve which is sleeved on the positioning ring and is coaxially arranged with the positioning ring; the limiting sleeve is provided with a through hole for a drill bit to pass through, and the inner side wall of the limiting sleeve is provided with a plurality of force application modules which are in one-to-one correspondence with the fixed shafts and can drive the fixed shafts to move towards the center of the positioning ring in the radial direction.

2. An automatic drilling machine according to claim 1, characterized in that: the force application module comprises a groove arranged on the inner wall of the limiting sleeve, force application shafts arranged in the groove and in sliding connection with the groove walls of the groove and in one-to-one correspondence with the fixed shafts, a stress cavity formed in one side, close to the bottom of the groove, of the force application shaft, and a compression spring fixedly connected between the bottom of the stress cavity and the bottom of the groove.

3. An automatic drilling machine according to claim 2, characterized in that: the outer wall of the positioning ring is provided with a plurality of positioning grooves which are connected with the cavity opening of the movable cavity and used for the end part of the force application shaft to move.

4. An automatic drilling machine according to any one of claims 1-3, characterized in that: the inner wall of the positioning inner cavity is fixedly connected with a plurality of positioning bulges positioned between the adjacent movable cavities.

5. An automatic drilling machine according to any one of claims 1-3, characterized in that: the air exhaust pipe is characterized by further comprising an air exhaust pipe, one end of the air exhaust pipe is installed on the limiting sleeve and is communicated with the inside of the limiting sleeve, and an air exhaust pump is arranged at the free end of the air exhaust pipe.