CN219870570U

CN219870570U - Slice calibration device

Info

Publication number: CN219870570U
Application number: CN202321357557.1U
Authority: CN
Inventors: 申东霞
Original assignee: Kunbang Technology Co ltd
Current assignee: Kunbang Technology Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-10-20
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a slice calibration device, which comprises a body of the device, and a slice clamp, a screw, a pull rod and a micro head which are arranged on the body; the slicing fixture is detachably arranged at one end of the body through a screw rod, slices are placed in the slicing fixture, the pull rod movably penetrates through the body, the end part of the pull rod abuts against one side edge of the slice, a spring is fixed at one end, close to the slice, of the pull rod, and the other end of the spring is fixedly connected with the body; the differential head is used for regulating and controlling the position of the slice and abutting against the other side edge of the slice; the calibration device can adjust the position of the slice hole to be ground to be consistent with the distance of the slice clamp, and each slice has high accuracy and repeatability, and has high operability because the position is fixed after glue filling and has no strict requirement on the glue filling; and the slices and slice clamps at the calibrated positions can be put into a polishing machine in batches for polishing in batches, so that the polishing efficiency is improved.

Description

Slice calibration device

Technical Field

The utility model relates to a metallographic section grinding and polishing device, in particular to a section calibration device.

Background

The preparation process includes sampling, pouring glue, curing, grinding and polishing, and finally observing the structure of the section of the sample and measuring data by a metallographic microscope.

The slicing grinding and polishing process is particularly complicated, and the desired slicing surface effect can be achieved by grinding 3-4 kinds of abrasive paper from coarse to fine and then polishing. Aiming at grinding, currently, a person basically presses the slice on a grinding disc manually, the grinding amount is controlled by the force, and only one slice die can be ground at a time. When in fine grinding, a person is required to edging and visually observe the position of the chip hole, repeated observation is required to be carried out by means of a magnifying glass aiming at the fine aperture (below 0.1 mm), and then repeated grinding adjustment is carried out, so that the center position of the chip hole can be ground.

In the prior art, in order to improve the grinding and polishing efficiency, scale marks are made on a slicing die, and the to-be-ground positions are aligned with the scale marks during glue filling, and then grinding and polishing are carried out; however, the scale mark of the method can not be accurately positioned during glue filling, quantitative rough grinding can be only carried out during equipment grinding, the equipment is operated by personnel during fine grinding, the equipment can be ground to an optimal position through repeated observation and grinding adjustment, manual operation of personnel is also required, the skill degree is very high, the adjustment is required to be repeatedly observed by means of a tool during grinding, the grinding efficiency is low, the success rate is low, only one slice can be ground during fine grinding, and the problems that batch operation cannot be carried out and the like exist.

Disclosure of Invention

The utility model aims to: the utility model aims to provide a slice calibration device capable of accurately calibrating slices and improving the subsequent grinding and polishing efficiency.

The technical scheme is as follows: the utility model relates to a slice calibration device, which comprises a body of the device, and a slice clamp, a screw, a pull rod and a micro head which are arranged on the body; the slicing fixture is detachably arranged at one end of the body through a screw rod, slices are placed in the slicing fixture, the pull rod movably penetrates through the body, the end part of the pull rod abuts against one side edge of the slice, a spring is fixed at one end, close to the slice, of the pull rod, and the other end of the spring is fixedly connected with the body; the micro head is used for adjusting and controlling the position of the slice and abutting against the other side edge of the slice.

Further, a slicing groove for placing slices is formed in the slicing fixture, and a threaded through hole is formed in the side wall of the slicing fixture; after confirming the slice position, screws are screwed into the threaded through holes, and the relative positions of the slice and the slice clamp are fixed.

Further, the slicing groove is provided with a pair Ji Biao of wire grooves lower than the surface of the slicing fixture.

Further, connecting strips are fixedly arranged at the end parts of the body, the pull rod penetrates through the connecting strips, and one end of the spring is fixedly connected with the connecting strips.

Further, the number of the pull rods is two, the two pull rods are arranged at two ends of the side edge of the slice in parallel, and connecting rods are arranged between the ends of the pull rods outside the body.

Further, the upper end of the body is clamped with a mounting plate, and the micro-head is fixedly mounted on the mounting plate.

Further, the number of the differential heads is two, and the differential heads are arranged at two ends of the side edge of the slice in parallel.

The beneficial effects are that: compared with the prior art, the utility model has the following advantages: the calibration device can adjust the position of the slice hole to be ground to be consistent with the distance of the slice clamp, and each slice has high accuracy and repeatability, and has high operability because the position is fixed after glue filling and has no strict requirement on the glue filling; and the slices and slice clamps at the calibrated positions can be put into a polishing machine in batches for polishing in batches, so that the polishing efficiency is improved.

Drawings

FIG. 1 is a schematic view of a slice calibration apparatus according to the present utility model;

FIG. 2 is a schematic view of a slice calibration apparatus according to the present utility model;

FIG. 3 is a schematic view of a slicing fixture according to the present utility model;

FIG. 4 is a schematic illustration of the calibration alignment effect of the present utility model;

fig. 5 is a schematic view of the effect of the slicing fixture of the present utility model placed in the grinding disc.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1-3, the slice calibration device comprises a body 1, a slice clamp 2, a screw 3, a pull rod 4 and two micro heads 6, wherein the slice clamp 2, the screw 3, the pull rod 4 and the two micro heads 6 are arranged on the body 1; one end of the body 1 is provided with a groove 5 for placing the slicing fixture 2, the other end of the body 1 is provided with a transverse clamping groove, a connecting bar 7 is fixedly installed in the groove through a bolt, a pull rod 4 penetrates through the connecting bar 7 and the body 1, one end of the pull rod is inserted into a slicing groove 9 in the slicing fixture 2 and is abutted against the side edge of a slice 14 in the slicing groove 9, a spring 8 is sleeved on the pull rod 4, one end of the spring 8 is fixedly connected with the connecting bar 7, the other end of the spring is fixedly connected with the pull rod 4, in fig. 1-2, two pull rods are selected by the pull rod 4, one end of the pull rod is inserted into two ends of the slicing fixture 2, and the other end of the pull rod is connected to the connecting rod through the bolt; the pull rod 4 can also consist of one pull rod or a plurality of pull rods; when two or more pull rods are arranged, each pull rod is provided with a spring 8, when the pull rod is pulled out, the springs 8 are stretched, the acting force of the pull rod is removed, and the springs 8 are restored to drive the pull rod to retract and abut against the slice 14, so that the slice 14 extends out of the slice groove 9.

The slicing fixture 2 is internally provided with slicing grooves 9 for placing slices, the side walls of the slicing fixture 2 are provided with threaded through holes 10, the groove edges of the slicing grooves 9 are lower than the surface of the slicing fixture to form a pair of Ji Biao wire grooves 11, differential heads 6 are arranged above the slicing grooves 9, the differential heads 6 are fixedly arranged on the mounting plate 12, the end parts of the mounting plate 12 are clamped with the upper end of the body 1, the regulating rods of the differential heads 6 are in abutting connection with the slices 14, as shown in fig. 1-2, the number of the differential heads 6 is two, and the regulating rods of the differential heads 6 are arranged in parallel and are respectively positioned at two ends of the slices 14; when the position of the slice 14 is roughly regulated and controlled, a bolt between the connecting rod and the pull rod 4 is screwed, the pull rod can be simultaneously driven to synchronously move only by pulling the connecting rod, and when the slice is finely regulated and controlled, the bolt is loosened, and the pull rod 4 stretches and contracts along with the regulation and control of the differential head 6; the screw rod 3 is still rotationally installed to body 1 lower extreme, and screw rod 3 tip passes through screw hole fixed connection with trimming clamp 1 bottom.

The specific operation method of the calibration device comprises the following steps: as shown in fig. 4, the calibration device body 1 is placed under a high-magnification video microscope, the slice clamp 2 is placed in the groove 5 of the body 1 and then loosened, the screw 3 is rotated to screw the slice clamp 2 tightly, the slice clamp 2 is fixed on the body 1, and after the alignment marking groove 11 of the slice clamp 2 is aligned with the alignment line 13 on the microscope screen, the calibration device body 1 is fixed on the microscope stage.

Then, taking out the slice clamp 2, loading the rectangular slice 14 filled with the glue into the slice loading groove 9, pulling up the pull rod 4, loosening the slice clamp 2 after the whole slice clamp 2 is put into the groove 5 of the body 1, and rotating the screw 3 to fixedly mount the slice clamp 2 on the body 1 through the threaded hole; at this time, one side of the filled glue-pouring slice 14 is propped by the pull rod 4 under the action of the spring 8 and has certain force, the other side is propped by the regulating rod of the regulating differential head 6, the center 16 of a hole to be ground on the glue-pouring slice 14 is aligned with a calibration line 15 on a microscope screen through rotating the regulating differential heads 6 respectively, then the cut-pouring slice is fixed on the slice clamp 2 through the thread through hole 10 by locking the slice screw, at this time, the screw rod 3 of the fixed clamp is loosened, the pull rod 4 is pulled up, and the slice clamp 2 is taken out, namely, the position calibration is completed.

As shown in fig. 5, a plurality of calibrated and clamped slice clamps 2 (6-8) are placed into a millstone of a quantitative grinding and polishing machine to be fixed, and fixed grinding quantity is set, so that batch automatic quantitative grinding operation can be realized.

Claims

1. The slice calibration device is characterized by comprising a body (1) of the device, and a slice clamp (2), a screw (3), a pull rod (4) and a micro head (6) which are arranged on the body (1); the slicing fixture (2) is detachably arranged at one end of the body (1) through the screw rod (3), a slice (14) is placed in the slicing fixture (2), the pull rod (4) movably penetrates through the body (1) and the end part of the pull rod abuts against one side edge of the slice (14), a spring (8) is fixed at one end, close to the slice (14), of the pull rod (4), and the other end of the spring (8) is fixedly connected with the body (1); the micro head (6) is used for adjusting and controlling the position of the slice (14) and is abutted against the other side edge of the slice (14).

2. The slice calibration device according to claim 1, wherein the slice clamp (2) is provided with a slice groove (9) for placing a slice (14), and a threaded through hole is formed in the side wall of the slice clamp (2).

3. Slice calibration device according to claim 2, characterized in that the slice slot (9) is provided with an alignment reticle slot (11) below the surface of the slice holder (2).

4. The slice calibration device according to claim 1, wherein a connecting bar (7) is fixedly mounted at the end of the body (1), the pull rod (4) penetrates through the connecting bar (7), and one end of the spring (8) is fixedly connected with the connecting bar (7).

5. The slice calibration device according to claim 1, wherein the number of the pull rods (4) is two, the pull rods are arranged at two ends of the side edge of the slice (14) in parallel, and connecting rods are arranged between the ends of the pull rods (4) positioned outside the body (1).

6. The slice calibration device according to claim 1, wherein the upper end of the body (1) is clamped with a mounting plate (12), and the micro-head (6) is fixedly mounted on the mounting plate (12).

7. Slice calibration device according to claim 1, wherein the number of said differentiation heads (6) is two and arranged parallel to each other at both ends of the lateral edge of the slice (14).