CN219704147U

CN219704147U - Screw cutting device

Info

Publication number: CN219704147U
Application number: CN202321117561.0U
Authority: CN
Inventors: 许红飞
Original assignee: Nanjing Ruimate Intelligent Equipment Co ltd
Current assignee: Nanjing Ruimate Intelligent Equipment Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-09-19
Anticipated expiration: 2033-05-11

Abstract

The utility model provides a screw cutting device, which relates to the technical field of screw processing and comprises cutting blades and a lathe, wherein a metal rod for turning screws is clamped on a three-jaw chuck of the lathe, the cutting blades are used for cutting the metal rod to enable the formed screws to fall off, guide blocks are slidably connected to the surface of the lathe along the length direction of the surface of the lathe, detachable U-shaped blocks are rotatably connected to the guide blocks, an outer cover is arranged in the U-shaped blocks, the cutting blades are arranged in the outer cover, two sides of the outer cover are fixedly connected with protruding blocks respectively, the cutting blades in the outer cover and the outer cover slide on the lathe through the guide blocks, the cutting blades are moved to corresponding positions, the cutting blades are close to the metal rod through the rotation of the U-shaped blocks, the cutting separation of the formed screws on the metal rod is realized, and the metal rod does not need to be removed and reloaded.

Description

Screw cutting device

Technical Field

The utility model relates to the technical field of screw machining, in particular to a screw cutting device.

Background

The screw refers to a screw, which is a tool for fastening a machine part step by utilizing the physical and mathematical principles of the inclined plane circular rotation and friction force of an object. The screw is a general expression of the fastener, and the fixed-length cylindrical metal block is turned into the screw by a lathe during manufacturing, and then the new cylindrical metal block is removed and replaced repeatedly, so that the repeated replacement is troublesome.

Therefore, the existing cylindrical metal blocks with certain length are clamped on a lathe, two ends are clamped by two chucks, then after a screw is formed by turning, the next screw is turned continuously, repeated replacement is avoided, the strength of the screw formed by the previous turning is lowered due to size change, when the other chuck of the lathe is used for clamping, the generated pressure easily causes screw tooth deformation of the screw, the screw is scrapped, and in order to ensure the machining efficiency and the screw quality, a screw cutting device is provided, and the formed screw can be separated partially on the basis that raw materials are not detached.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a cylindrical metal block with a certain length is clamped on a lathe, two ends are clamped by utilizing two chucks, then one screw is turned to form, then the next screw is turned, repeated replacement is avoided, the strength of the screw formed by the previous turning is low due to size change, and screw teeth of the screw are easy to deform due to pressure generated when the other chuck of the lathe is used for clamping, so that the screw is kept scrapped.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a screw cutting device, includes cutting piece and lathe, the centre gripping has the metal stick that is used for the turning to form the screw on the three-jaw chuck of lathe, the cutting piece is used for cutting the metal stick and makes fashioned screw drop, lathe surface is followed its length direction sliding connection and is had the guide block, the guide block internal rotation is connected with detachable U type piece, be provided with the dustcoat in the U type piece, the cutting piece sets up in the dustcoat, the both sides of dustcoat fixedly connected with lug respectively, the outer facade sliding connection of U type piece has the inserted block with the lug grafting.

The utility model further optimizes the scheme: the lathe is fixedly connected with a guide rail, the guide rail is distributed along the length direction of the lathe, the section of the guide rail is L-shaped, and the guide block is sleeved on the surface of the guide rail.

The utility model further optimizes the scheme: the U-shaped block is made of metal, and a magnet which is magnetically attracted with the U-shaped block is arranged on the inserting block.

The utility model further optimizes the scheme: the outer facade integrated into one piece of U type piece has the inserted link of rectangle, the inserted link cover is established on the inserted link.

The utility model further optimizes the scheme: the opposite sides of the U-shaped block are respectively fixedly connected with a cylindrical block, and the cylindrical blocks are positioned in the guide block and are in embedded rotary connection with the side wall of the guide block.

The utility model further optimizes the scheme: the end face of one cylindrical block, which is positioned outside the guide block, is inserted with a connecting block, and the connecting block is provided with a magnetic block which covers the surface of the metal rod.

The utility model further optimizes the scheme: and the connecting block is fixedly connected with a limiting block embedded in the inner wall of the guide block.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the outer cover and the cutting pieces in the outer cover are moved to corresponding positions by sliding the guide blocks on the lathe, the cutting pieces are close to the metal rods by rotating the U-shaped blocks, and the cutting and separation of the formed screws on the metal rods are realized by rotating the cutting pieces, so that the metal rods do not need to be removed and refilled.

2. According to the utility model, the contact part of the guide block and the cylindrical block is U-shaped, so that the cylindrical block is convenient to clamp in, the U-shaped block is prevented from being separated from the guide block in the rotating process, the arranged limiting block is not only attached to the side face of the U-shaped groove on the guide block, but also contacts with the surface of the cylindrical block, and the connecting block is rotationally connected with the cylindrical block, so that the connecting block cannot rotate along with the rotation of the U-shaped block under the limiting effect of the limiting block, and the arranged magnetic block is convenient to directly magnetically attract on the surface of the magnetic block after the screw is cut off, so that personnel can conveniently take and collect the magnetic block.

Drawings

Fig. 1 is a schematic perspective view of a screw cutting device according to the present utility model;

FIG. 2 is a schematic rear view of a housing of a screw cutting device according to the present utility model;

fig. 3 is a schematic cross-sectional view of the screw cutting device of fig. 2 according to the present utility model.

Legend description: 1. a lathe; 2. a metal rod; 3. a magnetic block; 4. a three-jaw chuck; 5. an outer cover; 6. cutting the sheet; 7. a guide rail; 8. a guide block; 9. a connecting block; 10. a magnet; 11. a U-shaped block; 12. a bump; 13. inserting a column; 14. a limiting block; 15. inserting blocks; 16. cylindrical blocks.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in figures 1-3, the screw cutting device comprises a cutting sheet 6 and a lathe 1, wherein a metal rod 2 for turning screws is clamped on a three-jaw chuck 4 of the lathe 1, the cutting sheet 6 is used for cutting the metal rod 2 to enable the formed screws to fall, a guide block 8 is slidably connected to the surface of the lathe 1 along the length direction of the guide block, a detachable U-shaped block 11 is rotatably connected to the guide block 8, an outer cover 5 is arranged in the U-shaped block 11, the cutting sheet 6 is arranged in the outer cover 5, two sides of the outer cover 5 are fixedly connected with lugs 12 respectively, and an inserting block 15 which is connected with the lugs 12 in an inserting mode is slidably connected to the outer vertical surface of the U-shaped block 11.

In the embodiment, the guide blocks 8 slide on the lathe 1 to realize that the outer cover 5 and the cutting pieces 6 in the outer cover 5 move to corresponding positions, the cutting pieces 6 are close to the metal rod 2 through the rotation of the U-shaped blocks 11, and the cutting pieces 6 rotate to realize the cutting separation of the formed screws on the metal rod 2;

specific: install the motor on the dustcoat 5 outer wall, the drive end of motor extends to in the dustcoat 5 to connect cutting piece 6 through the connecting piece in the current abrasive wheel cutting machine, and dustcoat 5 is pegged graft through insert 15 and is installed at U type piece 11 outer wall, and peg graft lug 12 on the dustcoat 5 outer wall, and then be convenient for realize the relative position of dustcoat 5 and U type piece 11 and fix.

This embodiment is shown in fig. 1: the lathe 1 is fixedly connected with a guide rail 7, the guide rail 7 is distributed along the length direction of the lathe 1, the section of the guide rail 7 is L-shaped, and a guide block 8 is sleeved on the surface of the guide rail 7;

as an optimization scheme of the utility model, the guide rail 7 arranged in an L shape ensures that the guide block 8 can only slide along the length direction of the lathe 1, namely, the position adjustment of the cutting blade 6 is realized.

This embodiment is shown in fig. 3: the U-shaped block 11 is made of metal, and the magnet 10 magnetically attracted with the U-shaped block 11 is arranged on the inserting block 15;

as an optimization scheme of the utility model, the relative position of the insert block 15 and the U-shaped block 11 is conveniently ensured to be fixed in the using process of the outer cover 5, and then the insert block 15 is inserted into the protruding block 12, so that the protruding block 12 can be used for predicting the relative position of the outer cover 5 to be fixed.

This embodiment is shown in fig. 3: the outer vertical surface of the U-shaped block 11 is integrally formed with a rectangular inserting column 13, and the inserting block 15 is sleeved on the inserting column 13;

as an optimization scheme of the utility model, the rectangular inserting posts 13 ensure that the inserting blocks 15 can only slide relative to the U-shaped blocks 11 and cannot rotate.

This embodiment is shown in fig. 2 and 3: the opposite side surfaces of the U-shaped blocks 11 are respectively and fixedly connected with a cylindrical block 16, the cylindrical blocks 16 are positioned in the guide blocks 8 and are in embedded rotary connection with the side walls of the guide blocks 8, wherein the end surface of one cylindrical block 16 positioned outside the guide blocks 8 is inserted with a connecting block 9, the connecting block 9 is provided with a magnetic block 3 covering the surface of the metal rod 2, and the connecting block 9 is also fixedly connected with a limiting block 14 embedded in the inner wall of the guide blocks 8;

as an optimization scheme of the utility model, the contact part of the guide block 8 and the cylindrical block 16 is U-shaped, so that the cylindrical block 16 is conveniently clamped in, the U-shaped block 11 is further ensured not to be separated from the guide block 8 in the rotating process, the arranged limiting block 14 is not only attached to the side surface of the U-shaped groove on the guide block 8, but also is contacted with the surface of the cylindrical block 16, and the connecting block 9 is rotationally connected with the cylindrical block 16, therefore, the connecting block 9 cannot rotate along with the rotation of the U-shaped block 11 under the limiting effect of the limiting block 14, and the arranged magnetic block 3 is convenient for being directly magnetically attracted on the surface of the U-shaped block 11 after a screw is cut off, so that personnel can conveniently take and collect the U-shaped block.

The working principle is that one end of a metal rod 2 is clamped on a driving three-jaw chuck 4 of a lathe 1, the other end of the metal rod 2 is clamped on a driven three-jaw chuck 4, a lathe 1 is used for processing into screws, a guide block 8 slides to a corresponding position along a guide rail 7, the U-shaped groove on the guide block 8 is embedded through a cylindrical block 16, the U-shaped block 11 is installed, one end of a connecting block 9 is inserted into the end face of the cylindrical block 16, a magnet 10 is closest to the formed screw, an outer cover 5 is placed in the U-shaped block 11, an inserting block 15 is slidably installed through an inserting column 13 until the inserting block 15 is inserted into a protruding block 12, a magnetic block 3 is adsorbed on the surface of the U-shaped block 11, the outer cover 5 is installed, the U-shaped block 11 is rotated, the outer cover 5 drives a cutting piece 6 to swing to the metal rod 2 synchronously, and the formed screw is separated from the original metal rod 2 through rotation of the cutting piece 6.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. Screw cutting device, including cutting piece (6) and lathe (1), the centre gripping has metal bar (2) that are used for turning formation screw on three jaw chuck (4) of lathe (1), its characterized in that: the cutting blade (6) is used for cutting the metal rod (2) to enable the formed screw to fall, a guide block (8) is slidably connected to the surface of the lathe (1) along the length direction of the surface of the lathe, a detachable U-shaped block (11) is rotationally connected to the guide block (8), an outer cover (5) is arranged in the U-shaped block (11), the cutting blade (6) is arranged in the outer cover (5), protruding blocks (12) are fixedly connected to two sides of the outer cover (5) respectively, and inserting blocks (15) which are inserted with the protruding blocks (12) are slidably connected to the outer vertical faces of the U-shaped block (11).

2. The screw cutting device of claim 1, wherein: the lathe is characterized in that a guide rail (7) is fixedly connected to the lathe (1), the guide rail (7) is distributed along the length direction of the lathe (1), the section of the guide rail is L-shaped, and the guide block (8) is sleeved on the surface of the guide rail (7).

3. The screw cutting device of claim 1, wherein: the U-shaped block (11) is made of metal, and the magnet (10) magnetically attracted with the U-shaped block (11) is arranged on the inserting block (15).

4. The screw cutting device of claim 1, wherein: the outer facade integrated into one piece of U type piece (11) has rectangular spliced pole (13), inserted block (15) cover is established on spliced pole (13).

5. The screw cutting device of claim 1, wherein: the opposite side surfaces of the U-shaped block (11) are respectively and fixedly connected with a cylindrical block (16), and the cylindrical block (16) is positioned in the guide block (8) and is connected with the side wall of the guide block (8) in an embedded rotating manner.

6. The screw cutting device of claim 5, wherein: the end face of one cylindrical block (16) positioned outside the guide block (8) is inserted with a connecting block (9), and the connecting block (9) is provided with a magnetic block (3) covered on the surface of the metal rod (2).

7. The screw cutting device of claim 6, wherein: and a limiting block (14) embedded in the inner wall of the guide block (8) is fixedly connected to the connecting block (9).