CN204975989U - Annular work piece bores attacks device - Google Patents

Abstract

The utility model discloses a ring-shaped workpiece drilling and tapping device, which belongs to the technical field of machine tool equipment. The radial extension of the rotary table is described, the rocker arm is provided with a drilling tool, and there are several positioning seats in an annular array with the center of rotation of the rotary table as the center, and each of the positioning seats is provided with a The support seat supporting the bottom surface of the annular workpiece, the positioning seat is provided with an adjustment mechanism against the outer surface of the annular workpiece, the adjustment direction of the adjustment mechanism is the radial direction of the rotary table and is located on the support The seat is away from the side of the rotary table. The utility model can position the ring-shaped workpiece at one time, realize the drilling and tapping on the inner peripheral surface or the upper surface of the workpiece, improve the processing efficiency of the ring-shaped workpiece, and is widely used in the processing of the ring-shaped workpiece.

Description

Ring workpiece drilling device

technical field

The utility model relates to the technical field of machine tool equipment, in particular to a drilling and tapping device for an annular workpiece.

Background technique

Ring-shaped special-shaped parts with a relatively large diameter, especially those with a diameter of more than 3 meters and whose inner peripheral surface is a tapered surface, when drilling or tapping the circumference of the inner or upper surface, it is necessary to tilt the vertical Put it on a support frame, after alignment, process it with a drill press.

The ring-shaped special-shaped part has a large diameter and a high weight. When it is placed obliquely on the support frame for drilling, one person is required to control the drilling machine, and at least two people are required to assist in processing. This is because, in the process of processing such a large annular shaped part, after positioning and drilling a hole, it is necessary for multiple people to cooperate to rotate the inclined part and reposition the drilled hole. With this traditional processing method, not only the processing efficiency is low, but also the obliquely placed ring-shaped special-shaped parts are unstable and easy to collapse, posing a great safety hazard; at the same time, multiple people are required to cooperate with the processing method, which results in low processing efficiency and high processing cost .

Therefore, for developing a new annular workpiece drilling and tapping device, not only has urgent research value, but also has good economic benefit and industrial application potential, which is the power and basis for the completion of this utility model.

Utility model content

In order to overcome the defects of the existing annular workpiece drilling and tapping device pointed out above, the inventor has conducted in-depth research on this, and after paying a lot of creative work, thus completed the utility model.

Specifically, the technical problem to be solved by the utility model is: to provide a ring-shaped workpiece drilling and tapping device, which can position the ring-shaped workpiece at one time, realize drilling and tapping on the inner peripheral surface or the upper surface of the workpiece, and improve the processing efficiency of the ring-shaped workpiece. efficiency.

In order to solve the above-mentioned technical problems, the technical proposal of the present utility model is to provide a ring-shaped workpiece drilling and tapping device, including a rotary table, a column is arranged on the rotary table, a rocker arm is installed on the column, and the rocker arm is mounted on the rotary table. The arm extends radially along the rotary table, the rocker arm is provided with a drilling tool, and there are several positioning seats in an annular array with the center of rotation of the rotary table as the center, each of which is provided with a There is a support seat for supporting the bottom surface of the annular workpiece, and the positioning seat is provided with an adjustment mechanism against the outer surface of the annular workpiece. The adjustment direction of the adjustment mechanism is the radial direction of the rotary table and is located at The support seat is away from the side of the rotary table.

In the ring workpiece drilling and tapping device of the present utility model, as a preferred technical solution, the rocker arm is vertically slidably mounted on the column, and a locking mechanism is provided between the rocker arm and the column.

In the annular workpiece drilling and tapping device of the present utility model, as a preferred technical solution, a ram that slides radially along the rotary table is provided on the rotary table, and the column is fixedly installed on the rotary table. On the ram, a lead screw is rotatably installed on the rotary table, and a nut matching the lead screw is fixedly installed on the ram.

In the annular workpiece drilling and tapping device of the present utility model, as a preferred technical solution, at least three positioning seats are provided.

In the annular workpiece drilling and tapping device of the present utility model, as a preferred technical solution, the adjustment mechanism includes an adjustment screw threaded on the positioning seat.

After adopting above-mentioned technical scheme, the beneficial effect of the utility model is:

(1) Drilling and tapping on the inner peripheral surface or upper surface of a large ring-shaped special-shaped workpiece whose inner peripheral surface is a tapered surface, or whose outer peripheral surface cannot be firmly fixed and placed on the workbench, and processed ring-shaped special-shaped workpieces Stable placement improves the safety of processing.

(2) The processing efficiency is high, the rotating speed of the rotary table is fast, the positioning efficiency of the drill bit is high, and there is no need to rotate and position the very heavy ring workpiece.

(3) The special drilling machine can be realized by transforming the traditional radial drilling machine, with simple structure and low cost.

(4) The fixing, adjusting and positioning of the annular workpiece is convenient, and the position of the workpiece can be adjusted conveniently through the adjusting mechanism of the positioning seat.

(5) Short processing cycle, low cost, and high processing efficiency: the original drilling machine processing requires at least 3 people to cooperate to complete, and the processing cycle is long, the production efficiency is low, and the labor cost is high; the utility model only needs 1 person. The alignment drilling is completed, and the processing cycle is greatly shortened.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the use state figure of the utility model embodiment;

Fig. 3 is a schematic structural view of the first adjustment mechanism in the embodiment of the present invention;

Fig. 4 is a schematic structural view of the second adjustment mechanism in the embodiment of the present invention;

Fig. 5 is a schematic structural view of the third adjustment mechanism in the embodiment of the present invention;

Wherein, in FIG. 1 to FIG. 5 , each numeral signifies the following specific meanings, elements and/or components respectively.

In the figure: 1. Rotary table, 2. Column, 3. Rocker arm, 4. Drilling tool, 5. Positioning seat, 6. Support seat, 7. Adjusting mechanism, 701, Adjusting stud, 702, Adjusting column, 703 , hydraulic cylinder, 704, adjusting push rod, 705, electric motor, 8, ram, 9, transverse track, 10, leading screw, 11, protective cover, 12, annular workpiece.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is further described. However, the use and purpose of these exemplary embodiments are only used to illustrate the utility model, and do not constitute any form of any limitation on the actual protection scope of the utility model, let alone limit the protection scope of the utility model thereto.

It should be noted that the sliding installation mentioned below is generally understood as a linear sliding form realized by using slide rail sliders or other linear guide rails, and the rotational installation is generally understood as a way that can realize its own rotation around the center of rotation.

As shown in Fig. 1, Fig. 2 and Fig. 3 together, the utility model provides a ring-shaped workpiece drilling and tapping device, including a rotary table 1, a column 2 is arranged on the rotary table 1, and a rocker arm 3 is installed on the column 2 , the rocker arm 3 extends radially along the rotary table 1, and the rocker arm 3 is provided with a drilling tool 4, which is a tool that can realize drilling, usually a drill bit driven by a power unit. When tapping is required, Just replace the drill bit with a tap. Around the rotary table 1, there are several positioning seats 5 in a circular array with the center of rotation of the rotary table 1 as the center. The number and positions of the positioning seats 5 need to be determined according to the diameter of the annular workpiece 12 And weight selection, need at least three, if the weight of annular workpiece 12 is bigger, in order to improve stability, can select more positioning seats 5, in order to improve the efficiency of positioning, preferably use 4 positioning seats. Each positioning seat 5 is provided with a support seat 6 for supporting the bottom surface of the annular workpiece 12. The support seat 6 has a positioning plane, and the bottom surface of the annular workpiece 12 has a positioning reference plane. The annular workpiece 12 is just placed on the support seat 6. Plane positioning is formed. The positioning seat 5 is provided with an adjustment mechanism 7 against the outer surface of the annular workpiece. The adjustment direction of the adjustment mechanism 7 is the radial direction of the rotary table 1 and is located on the side of the support seat 6 away from the rotary table 1. The adjustment mechanism 7 is an adjustment stud 701 that is threadedly connected to the positioning seat 5. Of course, the adjustment mechanism 7 can also choose to use other structures. For example, as shown in FIG. One end of the adjustment column 702 leans against the annular workpiece 12, and the other end is connected to the hydraulic cylinder 703 or the air cylinder; The positioning seat 5 is driven to move radially by the screw nut mechanism driven by the motor 705, and the movement of the adjusting push rod 704 can also be realized for adjustment. Usually, a threaded sleeve is fixedly installed on the positioning seat 5. The threaded sleeve generally uses a copper sleeve, a steel sleeve, etc., and the adjusting stud 7 is installed on the threaded sleeve. The radial extension of the adjustment stud 7 leans against the outer surface of the annular workpiece 12, and the other end is connected with a hand wheel, which can also be set as a limit plane, preferably four or six sides, by turning the hand wheel or The limit plane makes the adjusting stud 7 rotate on the threaded sleeve, and makes the adjusting stud 7 push against the annular workpiece and move radially. The rotary table 1 can be manually driven to rotate, or can be driven by a motor to rotate in a manner that the rotary part is driven to rotate through a transmission device.

The rocker arm 3 is vertically slidably installed on the column 2 to realize the lifting of the rocker arm 3. There is a locking mechanism between the rocker arm 3 and the column 2. The locking mechanism can be a set screw, or a hydraulic lock or a mechanical lock. , those skilled in the art can choose by themselves according to needs, and no more examples will be given here.

The rotary table 1 is provided with a ram 8 that slides radially along the rotary table 1, and the ram 8 is installed on a transverse rail 9, which is usually fixedly installed on the rotary table 1, and its length is often greater than one meter. The turning radius of the rotary table 1 is greatly improved, and the processing range is expanded. The column 2 is fixedly installed on the ram 8, and the screw 10 is installed on the rotary table 1. Usually, the end of the screw 10 is connected to the driving mechanism, which can Use manual drive, also can use electric motor to drive, the nut that fits with lead screw 10 is fixedly installed on the ram 8, and both sides of ram 8 are provided with protective cover 11, and protective cover 11 can be commonly called as " leather tiger " The telescopic cover made of polymer material can also be selected as a metal cover that is suitably put together successively, and those skilled in the art can choose by themselves.

Its working process is as follows:

As shown in Figure 2, (1), the annular workpiece 12 is placed on the support seat 6, and the lateral feed of the ram 8 is adjusted so that the drill bit of the drilling tool 4 can process the end face of the annular workpiece 12. The position of the annular workpiece 12 is adjusted and aligned by adjusting the adjusting studs 7 in different orientations, so that the center of the annular workpiece 12 coincides with the center of the rotary table 1, and the annular workpiece 12 is fixed on these support seats 6 .

(2), lock the rocker arm 3, and the drill bit is aligned with the position where the annular workpiece 12 will be drilled.

(3), start the drilling tool 4, the worker aligns the drill bit to the opening position, finds the corresponding drilling position, and starts drilling or tapping.

(4), after drilling and tapping is completed, rotate the rocker arm 3, and continue to implement alignment and drilling and tapping with the drill bit to another opening position.

Here, the annular workpiece 12 may be an ordinary annular workpiece, or a large workpiece, or a workpiece whose inner peripheral surface is a tapered surface.

It should be understood that these examples are only used to illustrate the utility model and are not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and/or variations to the utility model, and all these equivalent forms also fall within the scope of the appended rights of the application. within the scope of protection defined in the request.

Claims (5)

1. An annular workpiece drilling and tapping device, including a rotary table, and a column is arranged on the rotary table, and it is characterized in that: a rocker arm is installed on the column, and the rocker arm extends radially along the rotary table , the rocker arm is provided with a drilling tool, and there are several positioning seats in an annular array with the center of rotation of the rotary table as the center, and each positioning seat is provided with a support for supporting the bottom surface of the annular workpiece. A support seat, the positioning seat is provided with an adjustment mechanism against the outer surface of the annular workpiece, the adjustment direction of the adjustment mechanism is the radial direction of the rotary table and is located at the side of the support seat away from the rotary table side. 2 . The drilling and tapping device for annular workpieces according to claim 1 , wherein the rocker arm is vertically slidably mounted on the column, and a locking mechanism is provided between the rocker arm and the column. 3 . 3. The ring-shaped workpiece drilling and tapping device according to claim 1, characterized in that: the rotary table is provided with a ram that slides radially along the rotary table, and the column is fixedly mounted on the ram A lead screw is rotatably installed on the rotary table, and a nut matching the lead screw is fixedly installed on the ram. 4. The drilling and tapping device for annular workpieces according to claim 1, wherein there are at least three positioning seats. 5 . The drilling and tapping device for annular workpieces according to any one of claims 1 to 4 , wherein the adjustment mechanism includes an adjustment screw threaded on the positioning seat. 5 .