CN215787036U

CN215787036U - Special fixture for processing metal Charpy impact sample

Info

Publication number: CN215787036U
Application number: CN202122270976.9U
Authority: CN
Inventors: 石久林; 刘勇; 朱露露
Original assignee: Hubei Yihua Precision Manufacturing Co ltd
Current assignee: Hubei Yihua Precision Manufacturing Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-11
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a special fixture for processing a metal Charpy impact sample, which comprises a base, wherein the upper surface of the base is fixedly connected with a fixed block, the upper surface of the fixed block is provided with a sliding groove, the inner wall of the sliding groove is connected with two sliding blocks in a sliding manner, the inner walls of two sides of the sliding groove are rotatably connected with a positive and negative threaded rod through a bearing, two ends of the positive and negative threaded rod extend to two sides of the fixed block and are fixedly connected with rotating blocks, the upper surfaces of the two sliding blocks are fixedly connected with rotating rings, and the inner walls of the two rotating rings are rotatably connected with rotating shafts through bearings. This metal Charpy impact sample processing special fixture through setting up turning block, positive and negative tooth screw rod, sliding block, Contraband type piece and threaded rod, the rotation of the turning block of being convenient for makes positive and negative tooth screw rod drive two sliding block relative motion to make Contraband type piece carry out the centre gripping to the sample piece, utilize the threaded rod to support the sample piece tightly simultaneously, thereby make things convenient for the processing of metal Charpy impact sample.

Description

Special fixture for processing metal Charpy impact sample

Technical Field

The utility model relates to the technical field of machining clamps, in particular to a special clamp for machining a metal Charpy impact sample.

Background

The charpy impact test is a test for determining notch sensitivity resistance of a metal material. Preparing a metal sample with a certain shape and size, enabling the metal sample to have a U-shaped notch or a V-shaped notch, enabling the metal sample to be in a simply supported beam state on a Charpy impact testing machine, enabling the sample to be broken along the notch by using a pendulum lifted by the testing machine for one-time impact, and calculating the absorption work of the sample by using the height difference of the pendulum lifted again when the sample is broken.

In the process of processing a metal Charpy impact sample, the sample is generally required to be clamped and cut, but at present, when a milling machine is used for processing, the processing is inconvenient because a special clamp is not arranged on the milling machine.

Therefore, the special fixture for processing the metal Charpy impact sample is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special clamp for processing a metal Charpy impact sample, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a metal Charpy impact specimen processing special fixture, the on-line screen storage device comprises a base, the last fixed surface of base is connected with the fixed block, the sliding tray has been seted up to the upper surface of fixed block, and the inner wall sliding connection of sliding tray has two sliding blocks, the both sides inner wall of sliding tray rotates through the bearing and is connected with positive and negative tooth screw rod, the both ends of positive and negative tooth screw rod all extend to the both sides and the fixedly connected with turning block of fixed block, two the equal fixedly connected with swivel becket in upper surface of sliding block, two the inner wall of swivel becket all rotates through the bearing and is connected with the axis of rotation, the one end fixedly connected with Contraband type piece of axis of rotation, Contraband type piece's upper surface has seted up threaded hole, and the inner wall threaded connection of screw hole has the threaded rod.

Preferably, the front and the back of the base are both provided with four U-shaped grooves.

Preferably, two the side of sliding block all seted up with the screw hole of positive and negative tooth screw rod adaptation.

Preferably, two the equal fixedly connected with compression spring of the face in opposite directions of sliding block, compression spring's the other end and the inside wall fixed connection of sliding tray.

Preferably, the inner wall of swivel becket has seted up the ring channel, and the inner wall of ring channel rotates and is connected with the rolling disc, Contraband type piece's one end fixed connection is kept away from with the axis of rotation to the side of rolling disc, the step groove has been seted up to the side of swivel becket, and the inner wall sliding connection in step groove has the step post, four locating holes with the step post adaptation are seted up to the side of rolling disc, and four locating holes are the circumference array and set up in the side of rolling disc.

Preferably, the outer surface cover of step post is equipped with and is injectd the spring, the both ends of injecing the spring overlap joint with the step face of step post and the step face of step groove respectively.

Preferably, one end of the step column is fixedly connected with a pull block.

Preferably, the top end of the threaded rod is fixedly connected with a knob.

Preferably, the front and the back of the fixed block are both provided with inclined chip removal holes extending to the inner wall of the sliding groove.

Preferably, the side surface of the Contraband type block is provided with a rectangular groove.

Advantageous effects

The utility model provides a special fixture for processing a metal Charpy impact sample, which has the following beneficial effects:

1. this metal Charpy impact sample processing special fixture through setting up U type groove, is convenient for fix this anchor clamps on the processing mesa of milling machine, through setting up turning block, positive and negative tooth screw rod, sliding block, Contraband type piece and threaded rod, the rotation of the turning block of being convenient for makes positive and negative tooth screw rod drive two sliding block relative motion to make Contraband type piece carry out the centre gripping to the sample piece, utilize the threaded rod to support the sample piece tightly simultaneously, thereby make things convenient for the processing of metal Charpy impact sample.

2. This metal Charpy impact specimen processing special fixture through setting up compression spring, is convenient for play locking purpose, through setting up rolling disc, step post, locating hole and injecing the spring, is convenient for adjust the machined surface of sample spare to convenient processing also makes things convenient for the processing of other lathe simultaneously.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a perspective view of the Contraband type block of the present invention.

In the figure: the device comprises a base 1, a fixed block 2, a sliding block 3, a screw rod with 4 positive and negative teeth, a rotating block 5, a rotating ring 6, a rotating shaft 7, a block 8 Contraband, a threaded rod 9, a U-shaped groove 10, a compression spring 11, a rotating disc 12, a step column 13, a positioning hole 14, a limiting spring 15, a pull block 16 and a knob 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a metal Charpy impact specimen processing special fixture, includes base 1, and U type groove 10 has all been seted up at base 1's front and back, and the quantity in U type groove 10 is four, through setting up U type groove 10, is convenient for fix this anchor clamps on the processing mesa of milling machine.

Base 1's last fixed surface is connected with fixed block 2, the sliding tray has been seted up to the upper surface of fixed block 2, and the inner wall sliding connection of sliding tray has two sliding blocks 3, the slope chip removal hole that extends to the sliding tray inner wall is all seted up at the front and the back of fixed block 2, the equal fixedly connected with compression spring 11 of the face in opposite directions of two sliding blocks 3, compression spring 11's the other end and the inside wall fixed connection of sliding tray, the both sides inner wall of sliding tray rotates through the bearing and is connected with positive and negative tooth screw rod 4, the screw hole with positive and negative tooth screw rod 4 adaptation is all seted up to the side of two sliding blocks 3, positive and negative tooth screw rod 4's both ends all extend to fixed block 2's both sides and fixedly connected with turning block 5, through setting up compression spring 11, be convenient for play locking purpose.

The upper surfaces of the two sliding blocks 3 are fixedly connected with rotating rings 6, the inner walls of the two rotating rings 6 are rotatably connected with rotating shafts 7 through bearings, one end of each rotating shaft 7 is fixedly connected with an Contraband-shaped block 8, the inner wall of each rotating ring 6 is provided with an annular groove, and the inner wall of the annular groove is rotationally connected with a rotating disc 12, the side surface of the rotating disc 12 is fixedly connected with one end of the rotating shaft 7 far away from the Contraband-shaped block 8, the side surface of the rotating ring 6 is provided with a step groove, and the inner wall sliding connection of step groove has step post 13, and the one end of step post 13 extends to the side of swivel becket 6 and fixedly connected with draws piece 16, and the surface cover of step post 13 is equipped with and limits spring 15, limits the both ends of spring 15 and overlap joint with the step face of step post 13 and the step face of step groove respectively, and four locating holes 14 with step post 13 adaptation are seted up to the side of rolling disc 12, and four locating holes 14 are the circumference array and set up in the side of rolling disc 12.

Contraband type 8's side has seted up the rectangular channel, Contraband type 8's upper surface has seted up threaded hole, and the inner wall threaded connection of screw hole has threaded rod 9, threaded rod 9's top fixedly connected with knob 17, through setting up turning block 5, positive and negative tooth screw rod 4, sliding block 3, Contraband type 8 and threaded rod 9, the rotation of the turning block 5 of being convenient for makes positive and negative tooth screw rod 4 drive two sliding block 3 relative motion, and make Contraband type 8 carry out the centre gripping to the sample piece, utilize threaded rod 9 to support the sample piece tightly simultaneously, thereby make things convenient for the processing of metal Charpy impact sample.

This metal Charpy impact specimen processes special fixture through setting up rolling disc 12, step post 13, locating hole 14 and injecing spring 15, is convenient for adjust the machined surface of sample spare to convenient processing also makes things convenient for the processing of other lathe simultaneously.

The working principle is as follows: when the special fixture for processing the metal Charpy impact sample is used, the base 1 is fixed on a workbench surface of a milling machine by using bolts and a U-shaped groove 10, then the rotating block 5 is rotated to enable the two sliding blocks 3 to move relatively, then the sample piece is clamped in the two Contraband-shaped blocks 8, then the knob 17 is rotated to enable the threaded rod 9 to tightly press the sample piece, then the sample piece is processed, after one surface is processed, the pulling block 16 is pulled to enable the step column 13 to be clamped in different positioning holes 14 to rotate the sample piece, different surfaces are processed, then the processed surface of the sample piece is clamped by using a rectangular groove on the side surface of the Contraband-shaped block 8, an unprocessed surface is processed, and meanwhile, the processing direction is adjusted according to different machine tools, and the special fixture for processing the metal Charpy impact sample is used to facilitate the processing of the metal Charpy impact sample.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal Charpy impact specimen processing special fixture, includes base (1), its characterized in that: the last fixed surface of base (1) is connected with fixed block (2), the sliding tray has been seted up to the upper surface of fixed block (2), and the inner wall sliding connection of sliding tray has two sliding blocks (3), the both sides inner wall of sliding tray rotates through the bearing and is connected with positive and negative tooth screw rod (4), the both ends of positive and negative tooth screw rod (4) all extend to both sides and fixedly connected with turning block (5) of fixed block (2), two the equal fixedly connected with rotating ring (6) in upper surface of sliding block (3), two the inner wall of rotating ring (6) all rotates through the bearing and is connected with axis of rotation (7), the one end fixedly connected with Contraband type piece (8) of axis of rotation (7), the screw hole has been seted up to the upper surface of Contraband type piece (8), and the inner wall threaded connection of screw hole has threaded rod (9).

2. The special fixture for processing the metal Charpy impact specimen according to claim 1, characterized in that: u type groove (10) have all been seted up to the front and the back of base (1), the quantity in U type groove (10) is four.

3. The special fixture for processing the metal Charpy impact specimen according to claim 1, characterized in that: two the side of sliding block (3) all seted up with the screw hole of positive and negative tooth screw rod (4) adaptation.

4. The special fixture for processing the metal Charpy impact specimen according to claim 1, characterized in that: two the equal fixedly connected with compression spring (11) of the face in opposite directions of sliding block (3), the other end and the inside wall fixed connection of sliding tray of compression spring (11).

5. The special fixture for processing the metal Charpy impact specimen according to claim 1, characterized in that: the ring channel has been seted up to the inner wall of rolling ring (6), and the inner wall of ring channel rotates and is connected with rolling disc (12), Contraband type piece (8)'s one end fixed connection is kept away from with axis of rotation (7) to the side of rolling disc (12), the step groove has been seted up to the side of rolling ring (6), and the inner wall sliding connection in step groove has step post (13), locating hole (14) of four and step post (13) adaptation are seted up to the side of rolling disc (12), and four locating hole (14) are the circumference array and set up in the side of rolling disc (12).

6. The special fixture for processing the metal Charpy impact specimen according to claim 5, characterized in that: the outer surface cover of step post (13) is equipped with and limits spring (15), the both ends of injecing spring (15) overlap joint with the step face of step post (13) and the step face of step groove respectively.

7. The special fixture for processing the metal Charpy impact specimen according to claim 5, characterized in that: one end of the step column (13) is fixedly connected with a pull block (16).

8. The special fixture for processing the metal Charpy impact specimen according to claim 1, characterized in that: the top end of the threaded rod (9) is fixedly connected with a knob (17).

9. The special fixture for processing the metal Charpy impact specimen according to claim 1, characterized in that: the front and the back of the fixed block (2) are both provided with inclined chip removal holes extending to the inner wall of the sliding groove.

10. The special fixture for processing the metal Charpy impact specimen according to claim 1, characterized in that: and a rectangular groove is formed in the side surface of the Contraband-shaped block (8).