CN213794665U

CN213794665U - Slow-moving-wire type automatic wire tensioning structure for numerical control machine tool

Info

Publication number: CN213794665U
Application number: CN202022857736.4U
Authority: CN
Inventors: 钱红俊
Original assignee: Shenwei Cnc Machine Tool Jiangsu Co ltd
Current assignee: Shenwei Cnc Machine Tool Jiangsu Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-07-27
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a digit control machine tool is with automatic stretch yarn structure of walking a formula slowly, including support frame, electric telescopic handle, rotatory guide pulley and set screw, the inside spacing spout of having seted up of support frame, and install the fixed roof between the spacing spout to the stopper is installed in the fixed roof outside, the outside has been seted up away the silk groove in the middle of the rotatory guide pulley, and has walked the silk groove outside and install the locating piece, and install the axle block in the rotatory guide pulley outside, the set screw is installed in the rotatory guide pulley outside, and has seted up the locating hole in the set screw outside. This digit control machine tool is provided with fixed roof and spring hook with automatic stretch yarn structure of walking slowly a silk formula, and in the use, the fixed block can produce the power of drop-down always, and the spring hook can stimulate fixed roof this moment for the spring hook can be walked the molybdenum wire in the silk groove to the below and stimulate, makes the molybdenum wire can receive the pulling force always, makes and does not need the degree of tension of one to the molybdenum wire to adjust, has increased the functional of device.

Description

Slow-moving-wire type automatic wire tensioning structure for numerical control machine tool

Technical Field

The utility model relates to an automatic stretch a technical field of silk structure, specifically be a digit control machine tool is with automatic stretch a silk structure of slow walking silk formula.

Background

After a wire cutting machine for a numerical control machine tool works for a long time, a molybdenum wire can be abraded, and the machining precision of the wire cutting machine can be affected if the molybdenum wire is not tensioned in time, so that an automatic wire tensioning structure is needed.

However, the automatic wire tensioning structure in the current market cannot adjust the tensioning degree of the molybdenum wire and cannot tension the molybdenum wire to a certain degree at all, so that the tensioning degree of the molybdenum wire needs to be adjusted manually after the molybdenum wire is used for a long time, and the molybdenum wire may deviate to cause the molybdenum wire to slip off the guide wheel.

Therefore, we propose a slow-feeding automatic wire-tensioning structure for a numerical control machine tool, so as to solve the problems mentioned above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a digit control machine tool is with automatic tension wire structure of walking a formula slowly to solve the automatic tension wire structure of walking a formula slowly on the existing market that above-mentioned background art provided and can not the automatically regulated rate of tension, the problem of the fixed molybdenum filament that can not be stable.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a digit control machine tool is with automatic silk structure of opening of slow-speed wire formula, includes support frame, electric telescopic handle, rotatory guide pulley and set screw, the inside spacing spout of having seted up of support frame, and install between the spacing spout and fix the roof to the stopper is installed in the fixed roof outside, electric telescopic handle installs in fixed roof top, and installs the spring hook below fixed roof to the fixed block is installed to spring hook below, rotatory guide pulley is installed inside the fixed block, and installs spacing post in the rotatory guide pulley outside to the rotatory spheroid is installed in the spacing post outside, the wire groove has been seted up away in the middle of the rotatory guide pulley in the outside, and walks the wire groove outside and install the locating piece, and the axle piece is installed in the rotatory guide pulley outside, the set screw is installed in the rotatory guide pulley outside, and the locating hole has been seted up in the set screw outside.

Preferably, the fixed top plate is clamped with the gaps between the 2 support frames, the limiting blocks on the outer side of the fixed top plate are in T-shaped structural design, and the limiting blocks are clamped with the limiting sliding grooves.

Preferably, the lower end of the electric telescopic rod is vertically connected with the center of the fixed top plate, and the upper part of the electric telescopic rod is fixedly installed on the top plate.

Preferably, the upper end and the lower end of the spring hook are respectively hooked in the lower shackle of the fixed top plate and the upper shackle of the fixed block, and the number of the spring hooks is 2 relative to the fixed top plate.

Preferably, the rotary guide wheel shaft is connected in the fixed block, and the cross section of the limiting column on the outer side of the rotary guide wheel is designed to be in a T-shaped structure.

Preferably, the limiting column is clamped with the clamping groove in the fixing block, and the outer side of the limiting column is attached to the rotating ball body.

Preferably, the inner side of the positioning block is provided with a groove, and the positioning block is connected with the shaft block shaft.

Preferably, the positioning screw is in threaded connection with the positioning block, and the end of the positioning screw is in concave-convex fit with the positioning hole.

Compared with the prior art, the beneficial effects of the utility model are that: the numerical control machine tool adopts a slow-moving type automatic wire tensioning structure;

1. the molybdenum wire drawing device is provided with the fixed top plate and the spring hook, the fixed block can generate a pull-down force all the time in the use process, and the spring hook can draw the fixed top plate, so that the spring hook can draw the molybdenum wire in the wire running groove below the spring hook, the molybdenum wire can be always subjected to a pulling force, the tension degree of the molybdenum wire does not need to be adjusted all the time, and the functionality of the device is improved;

2. be provided with the locating piece, in the use, put into the molybdenum wire and walk behind the silk groove, laminate locating piece and rotatory guide pulley mutually, then twist the set screw, can be so that the locating piece can carry out spacingly to the molybdenum wire, avoid the molybdenum wire roll-off in the use, increased the stability of device.

Drawings

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

FIG. 2 is a schematic view of a partial main sectional structure of the present invention;

FIG. 3 is a schematic view of a partial sectional view of the supporting frame of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a support frame; 2. a limiting chute; 3. fixing a top plate; 4. a limiting block; 5. an electric telescopic rod; 6. a spring hook; 7. a fixed block; 8. rotating the guide wheel; 9. a limiting column; 10. rotating the sphere; 11. a wire feeding groove; 12. positioning blocks; 13. a shaft block; 14. a set screw; 15. and (7) positioning the holes.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a slow-wire-moving type automatic wire tensioning structure for a numerical control machine tool comprises a support frame 1, a limiting sliding groove 2, a fixed top plate 3, limiting blocks 4, an electric telescopic rod 5, a spring hook 6, a fixed block 7, rotary guide wheels 8, limiting columns 9, a rotary ball 10, a wire moving groove 11, a positioning block 12, a shaft block 13, a positioning screw 14 and a positioning hole 15, wherein the limiting sliding groove 2 is formed in the support frame 1, the fixed top plate 3 is arranged between the limiting sliding grooves 2, the limiting blocks 4 are arranged on the outer side of the fixed top plate 3, the electric telescopic rod 5 is arranged above the fixed top plate 3, the spring hook 6 is arranged below the fixed top plate 3, the fixed block 7 is arranged below the spring hook 6, the rotary guide wheels 8 are arranged in the fixed block 7, the limiting columns 9 are arranged on the outer side of the rotary guide wheels 8, the rotary ball 10 is arranged on the outer side of the limiting columns 9, the wire moving groove 11 is formed in the middle outer side of the rotary guide wheels 8, and a positioning block 12 is arranged on the outer side of the wire moving groove 11, a shaft block 13 is arranged on the outer side of the rotating guide wheel 8, a positioning screw 14 is arranged on the outer side of the rotating guide wheel 8, and a positioning hole 15 is formed in the outer side of the positioning screw 14.

The mutual block in space between

fixed roof

3 and 2 support frames 1, and the stopper 4 in the fixed roof 3 outside is T shape structural design to stopper 4 and the mutual block of spacing spout 2, the design of above-mentioned structure, make fixed roof 3 can slide between support frame 1, stopper 4 can slide in spacing spout 2 simultaneously, has increased the stability of device.

The lower end of the electric telescopic rod 5 is perpendicularly connected with the center of the fixed top plate 3, the electric telescopic rod 5 is fixedly mounted above the top plate, and due to the design of the structure, the tension degree of the spring hook 6 can be controlled by the stretching of the electric telescopic rod 5, so that the functionality of the device is improved.

The upper end and the lower end of the spring hook 6 are respectively hooked in the shackle below the fixed top plate 3 and the shackle above the fixed block 7, and the number of the spring hooks 6 is 2 relative to the fixed top plate 3.

The rotating guide wheel 8 is connected in the fixing block 7 in a shaft mode, the cross section of the limiting column 9 on the outer side of the rotating guide wheel 8 is in a T-shaped structural design, and due to the structural design, the rotating guide wheel 8 can rotate in the fixing block 7 in a shaft mode, and the stability of the device is improved.

Spacing post 9 and the inside draw-in groove of fixed block 7 block each other, and the outside and the rotary sphere 10 of spacing post 9 laminate mutually moreover, the design of above-mentioned structure for spacing post 9 can be rotatory in the draw-in groove of fixed block 7 inside, has increased the practicality of device.

The locating piece 12 is inboard to be seted up the recess, and the locating piece 12 is connected with axle piece 13 hub connection, and the design of above-mentioned structure for locating piece 12 can carry on spacingly to the molybdenum wire, has increased the practicality of device.

Set screw 14 threaded connection is in locating piece 12, and set screw 14 tip is unsmooth cooperation with locating hole 15, and the design of above-mentioned structure for set screw 14 can enter into locating hole 15, thereby has realized the fixed of locating piece 12, has increased the practicality of device.

The working principle is as follows: when the slow-wire-moving type automatic wire-tensioning structure for the numerical control machine tool is used, firstly, a molybdenum wire is threaded into a wire-moving groove 11 between a rotary guide wheel 8 and a fixed block 7, then a positioning block 12 is rotated, so that the right end of the positioning block 12 is attached to the rotary guide wheel 8, and then a positioning screw 14 is screwed, so that the positioning block 12 can be fixed, and the limit of the molybdenum wire is realized.

In the use, the molybdenum wire drives the rotating guide wheel 8 to rotate, and simultaneously, the limiting column 9 can rotate in a clamping groove in the fixed block 7, at the moment, the rotating ball 10 rotates in the fixed block 7, the friction force generated by the rotation of the limiting column 9 and the fixed block 7 is reduced, the fixed block 7 can generate the pull-down force all the time, the spring hook 6 can pull the fixed top plate 3 at the moment, the spring hook 6 can pull the molybdenum wire in the wire walking groove 11 below, the molybdenum wire can be pulled all the time, the fixed top plate 3 can also slide between the support frames 1 in the process, and meanwhile, the limiting block 4 slides in the limiting sliding groove 2, so that the tensioning of the molybdenum wire is not required to be adjusted all the time.

To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a digit control machine tool is with automatic stretch yarn structure of walking a formula slowly, includes support frame (1), electric telescopic handle (5), rotatory guide pulley (8) and set screw (14), its characterized in that: the supporting frame (1) is internally provided with limiting sliding grooves (2), a fixed top plate (3) is arranged between the limiting sliding grooves (2), a limiting block (4) is arranged on the outer side of the fixed top plate (3), an electric telescopic rod (5) is arranged above the fixed top plate (3), a spring hook (6) is arranged below the fixed top plate (3), a fixed block (7) is arranged below the spring hook (6), a rotating guide wheel (8) is arranged inside the fixed block (7), a limiting column (9) is arranged on the outer side of the rotating guide wheel (8), a rotating ball body (10) is arranged on the outer side of the limiting column (9), a wire walking groove (11) is arranged on the outer side of the middle of the rotating guide wheel (8), a positioning block (12) is arranged on the outer side of the wire walking groove (11), a shaft block (13) is arranged on the outer side of the rotating guide wheel (8), and a positioning screw (14) is arranged on the outer side of the rotating guide wheel (8), and the outer side of the positioning screw (14) is provided with a positioning hole (15).

2. The slow-feeding automatic wire tensioning structure for the numerical control machine tool according to claim 1, wherein: the fixed top plate (3) and the 2 supporting frames (1) are mutually clamped in the gap, the limiting block (4) on the outer side of the fixed top plate (3) is designed to be of a T-shaped structure, and the limiting block (4) and the limiting sliding groove (2) are mutually clamped.

3. The slow-feeding automatic wire tensioning structure for the numerical control machine tool according to claim 1, wherein: the lower end of the electric telescopic rod (5) is vertically connected with the center of the fixed top plate (3), and the upper part of the electric telescopic rod (5) is fixedly installed on the top plate.

4. The slow-feeding automatic wire tensioning structure for the numerical control machine tool according to claim 1, wherein: the upper end and the lower end of the spring hook (6) are respectively hooked in a shackle below the fixed top plate (3) and a shackle above the fixed block (7), and 2 spring hooks (6) are symmetrically arranged relative to the fixed top plate (3).

5. The slow-feeding automatic wire tensioning structure for the numerical control machine tool according to claim 1, wherein: the rotary guide wheel (8) is connected in the fixed block (7) in a shaft mode, and the section of a limiting column (9) on the outer side of the rotary guide wheel (8) is designed to be of a T-shaped structure.

6. The slow-feeding automatic wire tensioning structure for the numerical control machine tool according to claim 1, wherein: the limiting column (9) is clamped with the clamping groove in the fixing block (7), and the outer side of the limiting column (9) is attached to the rotary sphere (10).

7. The slow-feeding automatic wire tensioning structure for the numerical control machine tool according to claim 1, wherein: the inner side of the positioning block (12) is provided with a groove, and the positioning block (12) is connected with the shaft block (13) through a shaft.

8. The slow-feeding automatic wire tensioning structure for the numerical control machine tool according to claim 1, wherein: the positioning screw (14) is in threaded connection with the positioning block (12), and the end of the positioning screw (14) is in concave-convex fit with the positioning hole (15).