CN211029020U - An axially adjustable positioning device for CNC machine tools - Google Patents

Abstract

The utility model discloses a positioner with adjustable digit control machine tool axial relates to lathe technical field, the on-line screen storage device comprises a base, the top of base is equipped with the fixing base, the fixing base has four, four the fixing base is the annular array and distributes, the top of fixing base is equipped with the locating piece, the one end fixedly connected with locating plate of locating piece, the other end fixedly connected with location head of locating piece, the spout has been seted up on the top of base, sliding connection has the slider in the spout, the middle part of slider is connected with the screw rod, the both ends of screw rod all rotate with the spout through the bearing and are connected, the one end fixedly connected with transmission gear of screw rod. The utility model discloses a cooperation setting between spout, slider, screw rod, transmission gear and the servo motor, simple structure, convenient operation through setting up locating plate and location head, is convenient for change locating plate and location head, can the work piece of clamping different shapes.

Description

An axially adjustable positioning device for CNC machine tools

technical field

The utility model relates to the technical field of machine tools, in particular to an axially adjustable positioning device of a numerically controlled machine tool.

Background technique

Drilling machine refers to a machine tool that mainly uses a drill to machine holes in a workpiece. Usually the rotation of the drill bit is the main movement, and the axial movement of the drill bit is the feed movement. The drilling machine has a simple structure and relatively low machining accuracy. It can drill through holes, blind holes, replace special tools, expand, ream or tap. During the machining process, the workpiece does not move, the tool is moved, the center of the tool is aligned with the center of the hole, and the tool is rotated.

At present, the existing machine tool axially adjustable positioning device has complex structure, high cost, convenient operation, time-consuming and labor-intensive, and it is difficult to clamp workpieces of different shapes and has poor practicability.

Therefore, it is necessary to invent an axially adjustable positioning device for CNC machine tools to solve the above problems.

Utility model content

The purpose of this utility model is to provide an axially adjustable positioning device of a numerically controlled machine tool, so as to solve the problem that the existing axially adjustable positioning device of a machine tool proposed in the above-mentioned background technology is complex in structure, expensive, convenient to operate, time-consuming and laborious, and difficult to It can clamp workpieces of different shapes, which is a problem of poor practicability.

In order to achieve the above purpose, the present invention is realized through the following technical solutions:

An axially adjustable positioning device for a CNC machine tool, comprising a base, the top of the base is provided with a fixed seat, there are four fixed seats, the four fixed seats are distributed in a circular array, and the top of the fixed seat is provided with a fixed seat. There is a positioning block, one end of the positioning block is fixedly connected with a positioning plate, the other end of the positioning block is fixedly connected with a positioning head, the top of the base is provided with a chute, and a slider is slidably connected in the chute, The middle part of the slider is connected with a screw, both ends of the screw are rotatably connected with the chute through bearings, one end of the screw is fixedly connected with a transmission gear, and the bottom end of the transmission gear is provided with a servo motor, the The servo motor is fixedly connected with the chute, the top of the slider protrudes out of the chute and is fixedly connected with the fixed seat, the middle of the top of the positioning block is provided with a fixed groove, and the fixed groove is slidably connected with a limit block, the The bottom end of the limit block is fixedly connected with a fixed rod, the bottom end of the fixed rod protrudes from the fixed groove and is fixedly connected with the fixed seat, the outer side of the fixed rod is sleeved with a return spring, and the bottom ends of the positioning block are Limiting slots are provided on both sides, and both ends of the top of the fixing base are fixedly connected with limiting columns.

Optionally, the positioning plate is in a square shape, and the positioning head is in a hemispherical shape.

Optionally, a threaded hole is formed in the middle of the sliding block, and the sliding block is threadedly connected to the screw rod through the threaded hole.

Optionally, a gear is fixedly connected to the shaft of the servo motor, and the transmission gear is engaged with the gear on the servo motor.

Optionally, one end of the return spring is fixedly connected to the limiting block, and the other end of the return spring is fixedly connected to the fixing groove.

Optionally, both the limiting block and the fixing rod are cylindrical, and the diameter of the limiting block is larger than the diameter of the fixing rod.

Optionally, the length of the limiting column is a quarter of the fixing rod, and the fixing rod is adapted to the limiting groove.

Technical effects and advantages of the present utility model:

1. The utility model not only has a simple structure, low cost, but also is easy to operate, saves time and effort, and improves work efficiency through the cooperation between the chute, the slider, the screw, the transmission gear and the servo motor.

2. By setting the positioning plate and the positioning head, and under the action of the fixed groove, the limit block, the fixed rod, the return spring, the limit groove and the limit column, the utility model facilitates the conversion of the positioning plate and the positioning head, and can be clamped. Workpieces of different shapes increase the processing range and improve the practicability of the device.

Description of drawings

Fig. 1 is the top view schematic diagram of the utility model structure;

FIG. 2 is a three-dimensional schematic diagram of a positioning block structure of the present invention;

Fig. 3 is the sectional schematic diagram of the base structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of the structure of the positioning block of the present invention.

In the figure: 1. Base; 2. Fixed seat; 3. Positioning block; 4. Positioning plate; 5. Positioning head; 6. Chute; 7. Slider; 8. Screw; 9. Bearing; 10. Transmission gear; 11. Servo motor; 12. Fixing slot; 13. Limiting block; 14. Fixing rod; 15. Return spring; 16. Limiting slot; 17. Limiting column.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" ", "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the present utility model, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection, or It can be a detachable connection; it can be a mechanical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

The utility model provides an axially adjustable positioning device of a numerically controlled machine tool as shown in Figs. Distributed in an annular array, the top of the fixed seat 2 is provided with a positioning block 3, one end of the positioning block 3 is fixedly connected with a positioning plate 4, and the other end of the positioning block 3 is fixedly connected with a positioning head 5, the positioning plate 4 is square, and the positioning head 5 It is hemispherical, the top of the base 1 is provided with a chute 6, a slider 7 is slidably connected in the chute 6, and a threaded hole is opened in the middle of the slider 7, and the slider 7 is threadedly connected with the screw 8 through the screw hole, and the screw 8 is threaded. Both ends are rotatably connected with the chute 6 through the bearing 9, one end of the screw 8 is fixedly connected with a transmission gear 10, the bottom end of the transmission gear 10 is provided with a servo motor 11, the servo motor 11 is fixedly connected with the chute 6, and the servo motor 11 is fixedly connected. A gear is fixedly connected to the shaft, and the transmission gear 10 is meshed with the gear on the servo motor 11. Through the cooperation between the chute 6, the slider 7, the screw 8, the transmission gear 10 and the servo motor 11, the structure is simple and the cost is low. Inexpensive, and easy to operate, saving time and effort, and improving work efficiency;

The top of the slider 7 protrudes from the chute 6 and is fixedly connected with the fixed seat 2. The top of the positioning block 3 is provided with a fixed groove 12 in the middle. The fixed groove 12 is slidably connected to the limit block 13, and the bottom end of the limit block 13 is fixedly connected There is a fixed rod 14, the bottom end of the fixed rod 14 protrudes from the fixed groove 12 and is fixedly connected with the fixed seat 2, the outer side of the fixed rod 14 is sleeved with a return spring 15, and one end of the return spring 15 is fixedly connected with the limit block 13, the return force The other end of the spring 15 is fixedly connected with the fixing slot 12, the limit block 13 and the fixing rod 14 are both cylindrical, the diameter of the limit block 13 is larger than the diameter of the fixing rod 14, and the bottom ends of the positioning block 3 are provided with limit slots. 16. Both ends of the top of the fixed seat 2 are fixedly connected to a limit post 17. The length of the limit post 17 is a quarter of the fixed rod 14. The fixed rod 14 is adapted to the limit slot 16. By setting the positioning plate 4 And the positioning head 5, and under the action of the fixing groove 12, the limit block 13, the fixing rod 14, the return spring 15, the limit groove 16 and the limit column 17, it is convenient to convert the positioning plate 4 and the positioning head 5, and can be clamped. Workpieces of different shapes increase the processing range and improve the practicability of the device.

The electrical components appearing in this article are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device controlled by a computer or the like.

The working principle of this utility is as follows: when in use, the workpiece is placed between the four fixed seats 2, and then the positioning plate 4 and the positioning head 5 are adjusted according to the lateral shape of the workpiece. The side of the workpiece is arc-shaped or anisotropic, so that the positioning head 5 corresponds to the workpiece. When adjusting, pull the positioning block 3 upward, at this time, the return spring 15 is compressed, the limit groove 16 is separated from the limit column 17, and then the positioning block 3 is rotated. 180 degrees, then loosen the positioning block 3, the positioning block 3 moves downward and resets under the action of the elastic force of the return spring 15, and the limit groove 16 is connected with the limit column 17 to limit the position and complete the adjustment. When clamping the workpiece , start the servo motor 11, the servo motor 11 drives the screw 8 to rotate through the transmission gear 10, the screw 8 drives the fixed seat 2 to move inward through the slider 7, the fixed seat 2 drives the positioning block 3 to move inward, and then uses the positioning plate 4 or positioning The head 5 clamps the workpiece.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of its technical features, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a positioner with adjustable digit control machine tool axial, includes base (1), its characterized in that: the top end of the base (1) is provided with a fixed seat (2), the number of the fixed seats (2) is four, four of the fixed seats (2) are distributed in an annular array manner, the top end of the fixed seat (2) is provided with a positioning block (3), one end of the positioning block (3) is fixedly connected with a positioning plate (4), the other end of the positioning block (3) is fixedly connected with a positioning head (5), the top end of the base (1) is provided with a chute (6), the chute (6) is internally connected with a sliding block (7), the middle part of the sliding block (7) is connected with a screw rod (8), two ends of the screw rod (8) are rotatably connected with the chute (6) through bearings (9), one end of the screw rod (8) is fixedly connected with a transmission gear (10), the bottom end of the transmission gear (10) is provided with a servo motor (11), and the servo, the top of slider (7) stretches out spout (6) and with fixing base (2) fixed connection, fixed slot (12) have been seted up at the top middle part of locating piece (3), sliding connection has stopper (13) in fixed slot (12), the bottom fixedly connected with dead lever (14) of stopper (13), the bottom of dead lever (14) stretches out fixed slot (12) and with fixing base (2) fixed connection, return spring (15) have been cup jointed in the outside of dead lever (14), spacing groove (16) have all been seted up at the bottom both ends of locating piece (3), the equal fixedly connected with spacing post (17) in top both ends of fixing base (2).

2. The axially adjustable positioning device of a numerical control machine tool as claimed in claim 1, wherein:

the positioning plate (4) is square, and the positioning head (5) is hemispherical.

3. The axially adjustable positioning device of a numerical control machine tool as claimed in claim 1, wherein:

the middle part of the sliding block (7) is provided with a threaded hole, and the sliding block (7) is in threaded connection with the screw rod (8) through the threaded hole.

4. The axially adjustable positioning device of a numerical control machine tool as claimed in claim 1, wherein:

the transmission mechanism is characterized in that a gear is fixedly connected to a shaft of the servo motor (11), and the transmission gear (10) is meshed with the gear on the servo motor (11).

5. The axially adjustable positioning device of a numerical control machine tool as claimed in claim 1, wherein:

one end of the return spring (15) is fixedly connected with the limiting block (13), and the other end of the return spring (15) is fixedly connected with the fixing groove (12).

6. The axially adjustable positioning device of a numerical control machine tool as claimed in claim 1, wherein:

the limiting block (13) and the fixing rod (14) are both cylindrical, and the diameter of the limiting block (13) is larger than that of the fixing rod (14).

7. The axially adjustable positioning device of a numerical control machine tool as claimed in claim 1, wherein:

the length of the limiting column (17) is one fourth of that of the fixing rod (14), and the fixing rod (14) is matched with the limiting groove (16).

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