CN223834280U

CN223834280U - Metallographic sample wafer clamp holder for automatic grinding and polishing machine

Info

Publication number: CN223834280U
Application number: CN202520476022.9U
Authority: CN
Inventors: 郑姗姗; 李洋; 周亭亭; 李佳; 常昊
Original assignee: Shenyang Pyroxene Testing Technology Co ltd
Current assignee: Shenyang Pyroxene Testing Technology Co ltd
Priority date: 2025-03-18
Filing date: 2025-03-18
Publication date: 2026-01-27
Anticipated expiration: 2035-03-18

Abstract

This utility model discloses a metallographic sample holder for use in an automatic grinding and polishing machine, including a support base. Stops are rotatably mounted on the upper sides of both front ends of the support base. Connecting strips are rotatably mounted on the upper and lower front ends of the two stops. Each pair of connecting strips on the same side forms a group. An adjustment frame is provided at the front end of the two groups of connecting strips, and a stand is provided on the front of the adjustment frame. This utility model, through the combination of the adjustment frame, connecting strips, and stops, achieves relatively flexible adjustment. The first screw at both ends of the adjustment frame and the second screw on the outer side of the stop can be adjusted to change the position and angle of the connecting strips, thereby adapting to metallographic sample pieces of different shapes, sizes, and material properties. For samples with complex shapes, a suitable clamping method can be found by adjusting these components, effectively expanding the applicability of the holder.

Description

Metallographic sample wafer clamp holder for automatic grinding and polishing machine

Technical Field

The utility model relates to the technical field of holders, in particular to a metallographic sample holder used on an automatic grinding and polishing machine.

Background

A metallographic specimen holder used on an automatic grinding and polishing machine is a device for fixing metallographic specimens for grinding and polishing operations on an automatic grinding and polishing machine.

When the existing automatic grinding and polishing machine polishes a metallographic sample, the metallographic sample is firmly fixed through a clamp holder, and the metallographic sample is controlled to be close to and in contact with a grinding and polishing disc. And then, removing machining allowance and uneven parts on the surface of the sample by grinding and the like to gradually planarize the surface of the sample.

The existing metallographic sample piece is used as a clamp holder on an automatic grinding and polishing machine and is usually connected with a lifting structure of the grinding and polishing machine, so that the clamp holder has a small application range and can only adapt to metallographic sample pieces with single types of shapes, and for some samples with complex shapes, special sizes or large material property differences, the clamp holder cannot effectively clamp the samples, and further the samples are displaced or inclined in the grinding and polishing process, so that the ideal grinding and polishing effect cannot be achieved.

Therefore, it is necessary to invent a metallographic specimen holder for use on an automatic polishing machine to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a metallographic specimen holder used on an automatic polishing machine, which solves the defects in the technology.

In order to achieve the aim, the utility model provides the technical scheme that the metallographic specimen holder used on the automatic grinding and polishing machine comprises a supporting seat, wherein a stop block is rotatably arranged above both sides of the front end of a base of the supporting seat, connecting strips are rotatably arranged above and below the front ends of the two stop blocks, each two connecting strips on the same side are in a group, the front ends of the two groups of connecting strips are provided with an adjusting frame, and the front surface of the adjusting frame is provided with a vertical seat;

Be provided with the horizontal pole between the top of supporting seat and upright seat, be provided with spacing on the horizontal pole, two the outside central point of dog puts and all runs through the screw thread and installs No. two screw rods, the outside central point in both ends of regulating frame all transversely runs through the screw thread and installs No. one screw rod.

As a preferable scheme of the utility model, a penetrating guide groove is formed above the adjusting frame, shaft rods are vertically arranged at the front ends of every two connecting strips on the same side, and the shaft rods at the front ends of the two groups of connecting strips are arranged at the two ends of the guide groove in a sliding manner.

As a preferable scheme of the utility model, the front surface of the adjusting frame is provided with a plurality of pin holes, a plurality of pin rods are fixedly arranged below the back surface of the vertical seat, and the pin rods correspond to the pin holes and are in matched and inserted connection.

As the preferable scheme of the utility model, the tops of the supporting seat and the vertical seat are respectively provided with a plurality of jacks, the cross rod is of a U-shaped structure, and two ends of the cross rod are respectively inserted into the jacks at the tops of the supporting seat and the vertical seat.

As a preferable scheme of the utility model, the top of the limit bar is provided with a through hole, the top of the limit bar is sleeved on the cross bar in a sliding way through the through hole, and the limit bar is made of hard rubber materials.

As a preferable scheme of the utility model, the outer wall of the cross rod is provided with threads, the cross rod is provided with screw caps in a threaded manner, the upper end of the limit bar is positioned between the two screw caps, and the lower end of the limit bar is vertically positioned between the two stop blocks or the two groups of connecting bars.

In the technical scheme, the utility model has the technical effects and advantages that:

1. Through setting up the combination of parts such as alignment jig, connecting strip and dog, can realize comparatively nimble regulation, the screw rod in first and the second outside of dog at alignment jig both ends can be adjusted, changes the position and the angle of connecting strip, and then adapts to metallographic specimen of different shapes, size and material property, to the sample of shape complicacy, accessible adjustment these parts find suitable centre gripping mode, has effectively enlarged the application scope of holder.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for those skilled in the art.

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is an exploded view of a first perspective of the overall structure of the present utility model;

FIG. 3 is a first perspective exploded view of the overall structure of the present utility model;

FIG. 4 is an exploded view of a first perspective of the overall structure of the present utility model;

fig. 5 is a cross-sectional view of the overall structure of the present utility model.

Reference numerals illustrate:

1. A support base; 2, an adjusting frame, 21, a guide groove, 22, a first screw rod, 23, a pin hole, 3, a connecting strip, 31, a shaft lever, 4, a stop block, 41, a second screw rod, 5, a vertical seat, 51, a pin rod, 6, an inserting hole, 7, a cross rod, 71, a limit strip, 72, a through hole, 73 and a screw cap.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a metallographic specimen holder for an automatic grinding and polishing machine, as shown in figures 1-5, which comprises a supporting seat 1, wherein two stop blocks 4 are rotatably arranged above two sides of the front end of a base of the supporting seat 1, connecting strips 3 are rotatably arranged above and below the front ends of the two stop blocks 4, each two connecting strips 3 on the same side are in a group, the front ends of the two groups of connecting strips 3 are provided with an adjusting frame 2, and the front surface of the adjusting frame 2 is provided with a vertical seat 5;

In this example, the support base 1 serves as a base part of the overall holder, providing a platform for the mounting and support of other components. The base ensures the stable placement of the clamp holder on the automatic polishing machine, bears the weight of the whole clamp holder and a metallographic sample, ensures that the clamp holder cannot shake or displace in the polishing process, and provides a reliable basis for the follow-up accurate clamping and stable polishing. The stop block 4 is rotatably arranged above two sides of the front end of the base of the supporting seat 1, and the angle and the position of the stop block 4 can be adjusted by penetrating a screw 41 with a thread at the center of the outer side of the stop block. This design makes dog 4 can carry out nimble adjustment according to metallographic specimen's shape and size, plays preliminary spacing and supporting role to the specimen, has increased the stability of centre gripping, also can adapt to the centre gripping demand of different shape specimens simultaneously. The shaft lever 31 at the front end of the connecting strip 3 can slide in the guide groove 21 of the adjusting frame 2, so that the connecting strip 3 can be adjusted in position according to the size and shape of the sample piece. The adjustable connection mode can be better suitable for metallographic test pieces with different sizes and shapes, and improves the universality of the clamp holder. At the same time, the rotary connection of the connecting strip 3 and the stop block 4 also provides a certain flexibility for the whole clamping structure

Be provided with horizontal pole 7 between the top of supporting seat 1 and upright seat 5, be provided with spacing 71 on the horizontal pole 7, the outside central point of two dogs 4 puts and all runs through the screw thread and installs No. two screw rods 41, and the outside central point of the both ends of alignment jig 2 is all transversely run through the screw thread and is installed No. one screw rod 22, and No. one screw rod 22 corresponds with the position of the axostylus axostyle 31 of connecting strip 3 front end.

In the example, the first screw 22 and the second screw 41, the first screw 22 corresponds to the position of the shaft lever 31 at one end of the connecting strip 3, when the first screw 22 is adjusted to move at the end of the connecting strip 3, the shaft lever 31 can be abutted against the shaft lever 31 along with the movement of the first screw 22, the shaft lever 31 is integrally connected with the connecting strip 3, and the shaft lever 31 is abutted against the first screw 22 to push the shaft lever 31, so that the angle rotation of the connecting strip 3 is controlled, and the position of the connecting strip 3 is indirectly adjusted, the second screw 41 is used for abutting against the outer part of the special-shaped metallographic sample piece placed in the stop block 4, and the two screws are arranged, so that the clamp can be finely adjusted according to the specific conditions of the metallographic sample piece, the adaptability of the clamp to sample pieces with different shapes, sizes and material properties is improved, and the effective clamping of various sample pieces is ensured.

Furthermore, in the above technical scheme, the penetrating guide groove 21 is formed above the adjusting frame 2, the shaft rods 31 are vertically installed at the front ends of every two connecting strips 3 on the same side, and the shaft rods 31 at the front ends of the two groups of connecting strips 3 are slidably arranged at two ends of the guide groove 21.

Furthermore, in the above technical solution, the front surface of the adjusting frame 2 is provided with a plurality of pin holes 23, a plurality of pin rods 51 are fixedly mounted below the back surface of the stand 5, and the plurality of pin rods 51 correspond to the pin holes 23 and are in fit connection.

In this example, the guide groove 21 cooperates with the shaft lever 31 at the front end of the connecting strip 3 to provide guidance for sliding of the connecting strip 3, and ensures stability and accuracy of the connecting strip 3 in adjusting the position. The pin holes 23 that openly set up are connected with the pin pole 51 looks adaptation of stand 5 back below and insert, can conveniently fix the relative position of alignment jig 2 and stand 5, according to the height and the needs of polishing of sample piece, select suitable pin hole 23 to connect, realize the effective centre gripping to different sample pieces.

Furthermore, in the above technical scheme, the top of supporting seat 1 and upright seat 5 has all been seted up a plurality of jack 6, and horizontal pole 7 is U-shaped structure, and the both ends of horizontal pole 7 are inserted respectively and are established in jack 6 at supporting seat 1 and upright seat 5 top. The cross bar 7 is of a U-shaped structure and connects the support base 1 and the upright base 5 into a stable frame structure. The cross bar 7 provides lateral support and stability to the overall holder, enhancing the overall rigidity of the holder. Meanwhile, the limiting strips 71 arranged on the cross rod 7 are matched with the cross rod 7, so that the metallographic sample wafer can be further limited and fixed.

Further, in the above technical scheme, the top of the limit bar 71 is provided with the through hole 72, the top of the limit bar 71 is slidably sleeved on the cross bar 7 through the through hole 72, and the limit bar 71 is made of hard rubber material.

Further, in the above technical scheme, the outer wall of the cross rod 7 is provided with threads, the cross rod 7 is provided with the screw cap 73 in a threaded manner, the upper end of the limiting strip 71 is positioned between the two screw caps 73, and the lower end of the limiting strip 71 is vertically positioned between the two stop blocks 4 or the two groups of connecting strips 3.

In this example, the limit bar 71 is free to slide on the cross bar 7, adjusted according to the position and size of the test piece. The hard rubber material is used, so that the buffer and protection effects on the test piece can be achieved, the test piece is prevented from being damaged in the clamping process, enough friction force can be provided, and the test piece is ensured not to displace in the grinding and polishing process. In addition, the position of the limit bar 71 can be fixed by the nut 73 on the cross bar 7, so that the limit and fixing effects on the sample wafer are further enhanced.

The utility model provides a metallographic sample wafer clamp used on an automatic grinding and polishing machine, which comprises the following working processes:

According to the shape and the size of the metallographic specimen piece needing to be polished, the rotation of the first screw rod 22 is regulated, then the moving position of the shaft rod 31 in the guide groove 21 of the regulating frame 2 is collided, the position of the connecting strip 3 is regulated, and the rotation of the second screw rod 41 is collided with the outer wall of the special-shaped metallographic specimen piece placed in the stop block 4, so that the special-shaped metallographic specimen piece can be better attached to the specimen piece. The shaft lever 31 at the front end of the connecting strip 3 slides in the guide groove 21, so that the stability and the accuracy of the position adjustment of the connecting strip 3 are ensured. After the metallographic specimen is placed in the holding space, the stopper 71 is slid so as to be in contact with the specimen. Ensure that the sample wafer cannot displace in the grinding and polishing process. After the screw cap 73 is screwed, the limiting strips 71 are fixed, so that the limiting and fixing effects on the sample wafer are further enhanced, and the sample wafer is kept stable in the whole polishing process.

After the holder with the mounted sample sheet is fixed on the automatic grinding and polishing machine, the automatic grinding and polishing machine is started, and the metallographic sample sheet and the grinding and polishing disc are controlled by manpower to gradually approach and contact. After polishing, the operator releases each part according to the disassembly steps, firstly releases the fixing of the limiting strips 71 to the test piece, then adjusts the positions of the connecting strips 3 and the stop blocks 4, and finally takes out the test piece.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. A metallographic sample holder used on an automatic grinding and polishing machine comprises a supporting seat (1) and is characterized in that a stop block (4) is rotatably arranged above two sides of the front end of a base of the supporting seat (1), connecting strips (3) are rotatably arranged above and below the front ends of the two stop blocks (4), each two connecting strips (3) on the same side are in a group, an adjusting frame (2) is arranged at the front ends of the two connecting strips (3), and a vertical seat (5) is arranged on the front face of the adjusting frame (2);

Be provided with horizontal pole (7) between the top of supporting seat (1) and upright seat (5), be provided with spacing (71) on horizontal pole (7), two outside central point of dog (4) puts and all runs through screw thread and installs No. two screw rods (41), outside central point in both ends of alignment jig (2) all transversely runs through screw thread and installs No. one screw rod (22).

2. A metallographic specimen holder for an automatic grinding and polishing machine according to claim 1, wherein a penetrating guide groove (21) is formed above the adjusting frame (2), a shaft lever (31) is vertically arranged at the front end of each two connecting strips (3) on the same side, and the shaft levers (31) at the front ends of the two groups of connecting strips (3) are slidably arranged at two ends of the guide groove (21).

3. The metallographic specimen holder for an automatic polishing machine according to claim 1, wherein the front surface of the adjusting frame (2) is provided with a plurality of pin holes (23), a plurality of pin rods (51) are fixedly arranged below the back surface of the stand (5), and the pin rods (51) correspond to the pin holes (23) and are in fit connection.

4. The metallographic specimen holder for the automatic polishing machine of claim 1, wherein the tops of the supporting seat (1) and the vertical seat (5) are respectively provided with a plurality of jacks (6), the cross rod (7) is of a U-shaped structure, and two ends of the cross rod (7) are respectively inserted into the jacks (6) at the tops of the supporting seat (1) and the vertical seat (5).

5. The metallographic specimen holder for an automatic polishing machine according to claim 1, wherein the top of the limit bar (71) is provided with a through hole (72), the top of the limit bar (71) is sleeved on the cross bar (7) in a sliding manner through the through hole (72), and the limit bar (71) is made of a hard rubber material.

6. A metallographic specimen holder for an automatic polishing machine as set forth in claim 1, wherein the outer wall of the cross bar (7) is threaded, a nut (73) is mounted on the cross bar (7) in a threaded manner, the upper end of the limit bar (71) is located between the two nuts (73), and the lower end of the limit bar (71) is vertically located between the two stoppers (4) or the two groups of connecting bars (3).