CN216178441U

CN216178441U - Numerical control lathe for metal products

Info

Publication number: CN216178441U
Application number: CN202122547830.4U
Authority: CN
Inventors: 陈德灶
Original assignee: Xiamen Dezao Industry And Trade Co ltd
Current assignee: Xiamen Dezao Industry And Trade Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-05
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a numerical control lathe for metal products, which belongs to the field of numerical control lathes and adopts the technical scheme that the numerical control lathe comprises a lathe body, wherein a three-jaw chuck and an ejector pin are arranged in the lathe body, the three-jaw chuck and the ejector pin are coaxially arranged, a cylinder is fixed between the three-jaw chuck and the ejector pin, the tail end of an output shaft of the cylinder is provided with a supporting seat for supporting a workpiece to be machined, the supporting seat is provided with at least two rotating rollers, and the rotating rollers are arranged in parallel with the ejector pin; when the numerical control lathe is machined, the peripheral side wall of the workpiece to be machined is contacted with the peripheral side wall of the rotating roller.

Description

Numerical control lathe for metal products

Technical Field

The utility model relates to the field of numerical control lathes, in particular to a numerical control lathe for metal products.

Background

The numerical control machine tool is an automatic lathe which automatically processes a processed part according to a processing program which is programmed in advance, and can process a plurality of metal parts with high precision requirements, such as the numerical control machine tool which is frequently used when a screw is processed.

At present, chinese utility model patent with publication number CN210848356U discloses a structure is slowly moved to numerical control lathe tailstock, include: the frame with set up the supporting legs at the frame lower extreme, be provided with the slide rail in the upper end of frame, be provided with servo drive device and the chuck that is connected with servo drive device in the frame of slide rail one end, it is provided with the tailstock to slide on the other end of slide rail, be provided with thimble fixing device on the tailstock and the twist grip who mutually supports with thimble fixing device, it is provided with the knife rest to slide on the slide rail between tailstock and chuck, be provided with the safety cover in the frame of slide rail rear side, be provided with the sweeps collecting vat on the supporting legs, be provided with the triangle supporting seat in the upper end of tailstock, the bilateral symmetry is provided with the balladeur train in the upper end bilateral symmetry of triangle supporting seat, be provided with the spout in the balladeur train respectively.

Similar to foretell numerically controlled lathe among the prior art, it will treat the machined part through chuck and thimble and fix, treats the machined part through the cutting knife and cuts, however when numerically controlled lathe is processing longer screw, because the extrusion of thimble and the butt power of cutting knife lead to the screw to take place the bending or take place the displacement easily to reduce numerically controlled lathe's machining precision, still remain the space that promotes.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the numerical control lathe for the metal product, which has the advantages of providing supporting force for a workpiece to be machined, ensuring that the workpiece to be machined is not easy to bend and displace and improving the machining precision of the numerical control lathe.

In order to achieve the purpose, the utility model provides the following technical scheme:

a numerical control lathe for metal products comprises a lathe body, wherein a three-jaw chuck and an ejector pin are installed in the lathe body, the three-jaw chuck and the ejector pin are coaxially arranged, an air cylinder is fixed between the three-jaw chuck and the ejector pin, a supporting seat used for supporting a workpiece to be machined is arranged at the tail end of an output shaft of the air cylinder, at least two rotating rollers are rotatably connected to the supporting seat, and the rotating rollers are arranged in parallel with the ejector pin; when the workpiece to be processed is positioned between the three-jaw chuck and the thimble, the peripheral side wall of the workpiece to be processed is contacted with the peripheral side wall of the rotating roller.

By adopting the technical scheme, when the numerical control lathe starts to process metal parts, the three-jaw chuck and the ejector pin can respectively fix two ends of a workpiece to be processed, a worker opens the air cylinder, and the output shaft of the air cylinder can downwards move the supporting seat, so that the rotating roller on the supporting seat is abutted to the workpiece to be processed; this scheme has improved the stability of treating the machined part for metal parts is adding difficult emergence bending and displacement man-hour, has improved the machining precision of digit control machine tool.

The utility model is further configured to: the live-rollers include butt portion and the connecting portion that are located butt portion both ends, the both ends of supporting seat diapire all protrude and have a plurality of installation pieces, the connecting portion at butt portion both ends run through the installation piece respectively and rotate with the installation piece and be connected, connecting portion protrusion is provided with the locating part that is used for preventing connecting portion and drops in the one end of installation piece, the periphery wall protrusion of butt portion is in the lower terminal surface of installation piece.

By adopting the technical scheme, the connecting part is arranged to enable the rotating roller to be rotatably connected with the mounting block, the connecting part is not easy to fall off from the mounting block due to the arrangement of the limiting part, when the supporting seat moves downwards due to the fact that the outer peripheral wall of the abutting part protrudes out of the bottom end of the mounting block, the workpiece to be machined can be abutted against the abutting part, and the abutting part can rotate together with the supporting seat, so that the abutting part cannot influence the rotation of the workpiece to be machined.

The utility model is further configured to: the heights of the plurality of rotating rollers are gradually reduced.

Through adopting above-mentioned technical scheme, when numerical control machine tool is processing metal parts, its cutting knife is located the one side of treating the machined part usually, will treat the machined part butt this moment between adjacent live-rollers for treat that the machined part is difficult for upwards facing direction or keep away from the direction removal of cutting knife, improved the stability of treating the machined part, thereby improved the processingquality of numerical control machine tool.

The utility model is further configured to: and a gap is reserved between the two ends of the abutting part and the mounting block.

Through adopting above-mentioned technical scheme for butt portion is difficult for appearing the condition of blocking when rotating, is favorable to butt portion's rotation.

The utility model is further configured to: the limiting piece is a limiting strip fixed on the peripheral side wall of the connecting portion, and the limiting strip is located on the portion, protruding out of the mounting block, of the connecting portion.

Through adopting above-mentioned technical scheme, when connecting portion accident drops from the installation piece in, spacing can the butt on the lateral wall of installation piece for connecting portion are difficult for dropping from the installation piece, have improved the stability of connecting portion.

The utility model is further configured to: the supporting seat is welded and fixed with the output shaft of the air cylinder.

Through adopting above-mentioned technical scheme, improved the joint strength between supporting seat and the cylinder output shaft for the supporting seat is difficult for taking place the displacement or drop, has improved the stability of supporting seat.

The utility model is further configured to: the air cylinder is a stroke-adjustable air cylinder.

Through adopting above-mentioned technical scheme, the staff can be according to the length of adjusting cylinder output shaft for the supporting seat can be fit for not unidimensional treating the machined part, has improved the suitability of supporting seat.

In summary, the utility model has the following advantages:

1. by arranging the air cylinder and the supporting seat, the supporting seat can play a role of supporting a workpiece to be machined during machining, so that the workpiece to be machined is not easy to bend and displace during machining, and the machining precision of the numerical control lathe is improved;

2. by arranging the limiting piece, the connecting part is not easy to fall off from the mounting block, and the stability of the connecting part is improved;

3. through setting up the cylinder into stroke adjustable cylinder for the staff can adjust the output shaft length of cylinder according to the size of treating the machined part, has improved the suitability of supporting seat.

Drawings

FIG. 1 is an overall view of the present embodiment;

FIG. 2 is a schematic view of the cylinder and the supporting base in this embodiment;

fig. 3 is a schematic view illustrating the supporting seat contacting the workpiece to be processed in this embodiment.

Reference numerals: 1. a lathe body; 2. a three-jaw chuck; 3. a thimble; 4. a cylinder; 5. a rotating roller; 501. an abutting portion; 502. a connecting portion; 6. mounting blocks; 7. a limiting strip; 8. a gap; 10. a cabin door; 11. an operation table; 12. a cutting knife; 13. a support bar; 14. and (4) supporting the base.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a numerical control lathe for metal product, as shown in figure 1, includes lathe body 1, and lathe body 1 slides on and is connected with hatch door 10, installs operation panel 11 on lathe body 1's the lateral wall, installs three-jaw chuck 2 in lathe body 1, and three-jaw chuck 2 is the level setting, and thimble 3 is installed to three-jaw chuck 2's offside, and thimble 3 and three-jaw chuck 2 coaxial setting install cutting knife 12 in lathe body 1.

The staff will treat in the course of work input operation 11, will treat that the machined part is fixed on three-jaw chuck 2, treat in this embodiment the machined part be the screw, can be other threaded metal part in other embodiments, thimble 3 can move until the butt is in the tip of treating the machined part to the direction of three-jaw chuck 2 this moment, and cutting knife 12 can begin to treat the machined part and process.

As shown in fig. 1, 2 and 3, a cylinder 4 is disposed between the three-jaw chuck 2 and the thimble 3, the cylinder 4 is a stroke-adjustable cylinder, the stroke-adjustable cylinder belongs to the prior art, and the stroke of the output shaft thereof is adjustable, which is not described herein again. The cylinder 4 is welded and fixed with the lathe body 1 through a support rod 13, the cylinder 4 is vertical, a support seat 14 is welded and fixed at the tail end of an output shaft, the support seat 14 is cuboid, two rotating rollers 5 are arranged on the support seat 14, the rotating rollers 5 are parallel to the ejector pins 3, the support seat 14 is moved downwards through the cylinder 4, the rotating rollers 5 abut against a workpiece to be machined, and the stability of the workpiece to be machined can be improved.

The rotating roller 5 comprises an abutting portion 501 and connecting portions 502 fixed at two ends of the abutting portion 501, the abutting portion 501 and the connecting portions 502 are cylindrical, two mounting blocks 6 are fixed at two ends of the bottom wall of the supporting seat 14, the connecting portions 502 penetrate through the mounting blocks 6 at two ends of the bottom wall of the supporting seat 14 respectively and are connected with the mounting blocks 6 in a rotating mode, and the abutting portion 501 is located between limiting blocks at two sides of the bottom wall of the supporting seat 14.

The part of the connecting portion 502 protruding the mounting block 6 is provided with a limiting member, which is specifically a limiting strip 7 welded to the peripheral side wall of the connecting portion 502, so that the connecting portion 502 is not easy to fall off from the mounting block 6.

Both ends of the abutting part 501 and the mounting block 6 are provided with gaps 8, so that the abutting part 501 cannot be clamped when rotating, and no friction force exists between the abutting part 501 and the mounting block 6, thereby being beneficial to the rotation of the abutting part 501. The abutting portion 501 has a diameter larger than that of the connecting portion 502, and the circumferential side wall of the abutting portion 501 protrudes from the bottom end of the mounting block 6, so that the part to be machined can abut against the abutting portion 501.

The height difference is formed between the two mounting blocks 6 on the same side of the supporting seat 14, so that the height of the rotating roller 5 is higher than that of the adjacent rotating roller 5, a workpiece to be machined is abutted between the adjacent rotating rollers 5, the workpiece to be machined is not easy to move upwards and move towards the direction far away from the cutting knife 12, and the stability of the workpiece to be machined is improved.

The working process and the beneficial effects of the utility model are as follows: the working personnel inputs the processing process into the operation table 11, the part to be processed is clamped on the three-jaw chuck 2, the thimble 3 moves towards the direction of the three-jaw chuck 2 until the thimble abuts against the part to be processed, the cylinder 4 is opened to drive the supporting seat 14 to move downwards, so that the abutting part 501 of the rotating roller 5 abuts against the part to be processed, then the cabin door 10 is closed, and the cutting knife 12 can start to cut the part to be processed; the staff can also adjust the length of the output shaft of the cylinder 4, so that the supporting seat 14 can support workpieces to be processed with different sizes.

In conclusion, the embodiment can provide supporting force for the workpiece to be machined, so that the workpiece to be machined is not easy to bend and displace, the machining precision of the numerical control lathe is improved, and the numerical control lathe can be suitable for workpieces to be machined of different sizes.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a numerical control lathe for metal product, includes lathe body (1), install three-jaw chuck (2) and thimble (3) in lathe body (1), three-jaw chuck (2) and thimble (3) coaxial setting, its characterized in that: an air cylinder (4) is fixed between the three-jaw chuck (2) and the ejector pin (3), a support seat (14) for supporting a workpiece to be machined is arranged at the tail end of an output shaft of the air cylinder (4), at least two rotating rollers (5) are rotatably connected to the support seat (14), and the rotating rollers (5) are arranged in parallel with the ejector pin (3);

when the workpiece to be processed is positioned between the three-jaw chuck (2) and the thimble (3), the peripheral side wall of the workpiece to be processed is contacted with the peripheral side wall of the rotating roller (5).

2. A numerically controlled lathe for metal products as claimed in claim 1, wherein: the live-rollers (5) include butt portion (501) and be located connecting portion (502) at butt portion (501) both ends, the both ends of supporting seat (14) diapire all protrude and have a plurality of installation pieces (6), connecting portion (502) at butt portion (501) both ends run through installation piece (6) respectively and rotate with installation piece (6) and be connected, connecting portion (502) protrusion is provided with the locating part that is used for preventing connecting portion (502) from droing in the one end of installation piece (6), the periphery wall protrusion in the lower terminal surface of installation piece (6) of butt portion (501).

3. A numerically controlled lathe for metal products as claimed in claim 2, wherein: the heights of the plurality of rotating rollers (5) are gradually reduced.

4. A numerically controlled lathe for metal products as claimed in claim 2, wherein: gaps (8) are formed between the two ends of the abutting part (501) and the mounting block (6).

5. A numerically controlled lathe for metal products as claimed in claim 2, wherein: the limiting piece is a limiting strip (7) fixed on the peripheral side wall of the connecting portion (502), and the limiting strip (7) is located on the portion, protruding out of the mounting block (6), of the connecting portion (502).

6. A numerically controlled lathe for metal products as claimed in claim 1, wherein: the support seat (14) is welded and fixed with an output shaft of the air cylinder (4).

7. A numerically controlled lathe for metal products as claimed in claim 1, wherein: the air cylinder (4) is a stroke-adjustable air cylinder (4).