Fine adjustment precision slitting table

Abstract

The utility model relates to the technical field of precise slitting tables, and discloses a fine-adjustment precise slitting table which comprises a sample clamp table and an adjustable sample support, a proofreading area is arranged on the adjustable sample support, an arc-shaped groove is formed in the position, corresponding to the proofreading area, of the adjustable sample support, a fine-adjustment disc is movably installed in the arc-shaped groove through a rotating shaft, and the fine-adjustment disc is connected with the sample clamp table. The fine adjustment disc is provided with a positioning shaft assembly used for positioning the sample holder, the positioning shaft assembly comprises a fixed shaft sleeve fixed on the fine adjustment disc, the top surface of the fixed shaft sleeve is vertically and downwards provided with a hollow groove of an inverted T-shaped structure, and a threaded inner shaft is installed in the hollow groove in a threaded mode; and a conical extrusion head is arranged at the lower end of the threaded inner shaft. The sample rack is fixed through the multiple sets of positioning sliding blocks extending outwards, so that the sample rack is in a relatively fixed state, the effect of rapidly fixing the sample rack is achieved, and the stability of the sample rack is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of precision cutting tables, in particular to a fine-tuning precision cutting table. Background Art

[0002] A fine-tuned precision slitting table generally refers to a device used for accurate sample cutting or slicing in a laboratory or industrial setting.

[0003] Fine-tuning precision cutting is used to perform point-by-point ion beam cutting on samples to prepare stress-free cross-sections. When in use, the sample holder is placed on the sample fixture table and sent into the sample chamber for sample cutting. The sample placed on the sample holder is precisely cut;

[0004] When the existing device is calibrating samples, the samples to be cut are pasted on the sample rack, and then the sample rack is fixed on the fine-tuning disk. The sample rack is traditionally fixed by fastener screws. However, when the screw head is about to approach the sample rack, the screw head is likely to cause the sample rack that has been adjusted to a position shift during rotation, which is not conducive to quickly positioning the sample rack, and the sample rack position calibration cannot be completed quickly.

[0005] To this end, we propose a fine-tuning precision slitting table. Utility Model Content

[0006] The utility model mainly solves the above technical problems and provides a fine-tuning precision cutting table.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fine-tuning precision cutting table, including a sample fixture table and an adjustable sample holder, and a proofreading area is provided on the adjustable sample holder;

[0008] An arc-shaped groove is provided on the adjustable sample holder at a position corresponding to the calibration area, a fine-tuning disk is movably installed inside the arc-shaped groove through a rotating shaft, and a positioning shaft assembly for positioning the sample holder is provided on the fine-tuning disk. When in use, the sample holder is mounted on the positioning shaft assembly, the sample holder is slid toward the side close to the edge of the adjustable sample holder, the reference surface is flipped upward, the outer end of the sample holder is aligned with the reference surface, and the positioning shaft assembly is used to fix the sample holder;

[0009] The positioning shaft assembly includes a fixed sleeve fixed on the fine-tuning disk, a hollow groove in an inverted T-shaped structure is vertically opened downward on the top surface of the fixed sleeve, a threaded inner shaft is threadedly installed in the hollow groove, and a conical extrusion head is provided at the lower end of the threaded inner shaft, and the threaded inner shaft is controlled to rotate so that the threaded inner shaft drives the conical extrusion head to move up and down;

[0010] A plurality of positioning sliding blocks are arranged at the inner lower end of the hollow groove.

[0011] Preferably, a plurality of slide grooves are formed through the outer side surface of the fixed sleeve, and the positioning slide blocks are slidably installed inside the slide grooves. The plurality of positioning slide blocks are distributed in the hollow groove in a ring array.

[0012] Preferably, the ends of the multiple groups of positioning sliders that are close to each other are fixedly connected to a fixed plate through a tension band, and the fixed plate is fixedly installed on the bottom surface of the hollow groove. In the initial state, the multiple groups of positioning sliders are contracted inside the hollow groove under the tension of the tension band.

[0013] Preferably, pull ears are provided on both the left and right sides of the fine-tuning disk, and locking nuts are provided on the pull ears.

[0014] Preferably, a cross control groove is formed on the top surface of the threaded inner shaft.

[0015] Preferably, a reference surface is movably mounted on one side of the sample fixture table, and a cutting groove is provided on the reference surface.

[0016] Beneficial Effects

[0017] The utility model provides a fine-tuning precision cutting table, which has the following beneficial effects:

[0018] (1) A fine-tuning precision cutting table, in the initial state, multiple groups of positioning slide blocks are contracted inside the hollow groove under the tension of the tension belt. When in use, the sample rack is sleeved on the fixed shaft sleeve. At this time, the sample rack is in an active state, and the position of the sample rack is preliminarily adjusted. After the position of the sample rack is adjusted, an external tool controls the threaded inner shaft to rotate and slide downward in the hollow groove through the cross control groove, and the conical extrusion head is used to squeeze the ends of the multiple groups of positioning slide blocks that are close to each other. During the downward movement of the conical extrusion head, the multiple groups of positioning slide blocks are pushed to move away from each other. The outer ends of the positioning slide blocks will extend outward through the corresponding slide grooves, and the sample rack is fixed by the multiple groups of positioning slide blocks extending outward, so that the sample rack is in a relatively fixed state, achieving the effect of quickly fixing the sample rack and improving the stability of the sample rack.

[0019] (2) This fine-tuning precision cutting table fixes the sample holder through a positioning shaft assembly. The fine-tuning disk drives the sample holder to perform angle fine-tuning by rotating the fine-tuning disk. The angle fine-tuning is performed under a microscope so that the outer side of the sample holder is closely fitted with and fully aligned with the reference surface. After the position of the fine-tuning disk is adjusted, the locking nut on the control ear is tightened to facilitate the positioning of the fine-tuning disk, thereby achieving the effect of secondary fine-tuning of the sample holder position. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0021] The structures, proportions, sizes, etc. disclosed in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the restrictive conditions for the implementation of the utility model. Therefore, they have no substantive technical significance. Any modification of the structure, change in the proportion relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the utility model without affecting the effects and purposes that can be achieved by the utility model.

[0022] Figure 1 This is a schematic diagram of the overall three-dimensional split structure of the fine-tuning precision cutting table;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the adjustable sample holder of the fine-tuning precision cutting table;

[0024] Figure 3 Fine-tuning precision slitting table Figure 2 A schematic diagram of the structure enlargement in the middle;

[0025] Figure 4 This is a sectional view of the three-dimensional structure of the positioning shaft assembly of the fine-tuning precision slitting table;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the threaded internal shaft and conical extrusion head of this fine-tuning precision slitting table.

[0027] Legend:

[0028] 1. Sample fixture table; 2. Reference surface; 3. Cutting groove; 4. Adjustable sample holder; 5. Proofreading area; 6. Arc groove; 7. Positioning shaft assembly; 8. Fine adjustment disk; 9. Pull ear; 10. Sample rack; 700. Fixed sleeve; 701. Hollow groove; 702. Threaded inner shaft; 703. Conical extrusion head; 704. Fixed plate; 705. Tension belt; 706. Positioning slider; 707. Slide groove; 708. Cross control groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment: A fine-tuning precision cutting table, such as Figure 1-Figure 5 As shown, it includes a sample fixture table 1 and an adjustable sample holder 4, a reference surface 2 is movably mounted on one side of the sample fixture table 1, a cutting groove 3 is opened on the reference surface 2, and a calibration area 5 is provided on the adjustable sample holder 4;

[0031] An arc groove 6 is provided on the adjustable sample holder 4 at a position corresponding to the proofreading area 5, and a fine-tuning disk 8 is movably installed inside the arc groove 6 through a rotating shaft, and a positioning shaft assembly 7 is provided on the fine-tuning disk 8. Pull ears 9 are provided on the left and right sides of the fine-tuning disk 8. When in use, the sample holder 10 is mounted on the positioning shaft assembly 7, and the sample holder 10 is slid to the side close to the edge of the adjustable sample holder 4, and the reference surface 2 is turned upward so that the outer end of the sample holder 10 is aligned with the reference surface 2. The positioning shaft assembly 7 fixes the sample holder 10, and the fine-tuning disk 8 is rotated to drive the sample holder 10 to perform angle fine-tuning. The angle fine-tuning is performed under a microscope so that the outer side surface of the sample holder 10 is closely attached to and fully aligned with the reference surface 2. After the position of the fine-tuning disk 8 is adjusted, the locking nut on the pull ear 9 is controlled to be locked to facilitate the positioning of the fine-tuning disk 8.

[0032] The positioning shaft assembly 7 includes a fixed sleeve 700, the top surface of the fixed sleeve 700 is vertically downwardly provided with a hollow groove 701 in an inverted T-shaped structure, the inner thread of the hollow groove 701 is threaded with a threaded inner shaft 702, the lower end of the threaded inner shaft 702 is provided with a conical extrusion head 703, and the top surface of the threaded inner shaft 702 is provided with a cross control groove 708, by controlling the rotation of the threaded inner shaft 702, the threaded inner shaft 702 drives the conical extrusion head 703 to move up and down;

[0033] The lower end of the interior of the hollow groove 701 is provided with a plurality of positioning slide blocks 706, and the outer side surface of the fixed shaft sleeve 700 is penetrated with a plurality of slide grooves 707, and the positioning slide blocks 706 are slidably installed in the slide grooves 707. The plurality of positioning slide blocks 706 are distributed in the hollow groove 701 in a circular array, and the ends of the plurality of positioning slide blocks 706 close to each other are fixedly connected to the fixed plate 704 through the tension belt 705, and the fixed plate 704 is fixedly installed on the bottom surface of the interior of the hollow groove 701. In the initial state, the plurality of positioning slide blocks 706 are contracted in the interior of the hollow groove 701 under the tension of the tension belt 705. When in use, the sample holder 10 is sleeved on the fixed shaft sleeve 700. At this time, the sample holder 10 is in an active state, and the position of the sample holder 10 is preliminarily adjusted. After the position of the sample rack 10 is adjusted, the external tool controls the threaded inner shaft 702 to rotate and slide downward in the hollow groove 701 through the cross control groove 708, and the conical extrusion head 703 is used to squeeze the ends of the multiple groups of positioning sliders 706 that are close to each other. During the downward movement of the conical extrusion head 703, the multiple groups of positioning sliders 706 are pushed to move to the side away from each other. The outer ends of the positioning sliders 706 will extend outward through the corresponding slide grooves 707. The multiple groups of positioning sliders 706 extending outwardly fix the sample rack 10, so that the sample rack 10 is in a relatively fixed state. After the sample rack 10 is fixed on the fine-tuning disk 8, the position of the fine-tuning disk 8 is fine-tuned to make the sample pasted on the sample rack 10 fully aligned with the reference surface 2.

[0034] The working principle of this utility model:

[0035] In the initial state, the multiple groups of positioning sliders 706 are contracted inside the hollow groove 701 under the tension of the tension belt 705. When in use, the sample rack 10 is sleeved on the fixed shaft sleeve 700. At this time, the sample rack 10 is in an active state, and the position of the sample rack 10 is preliminarily adjusted. After the position of the sample rack 10 is adjusted, the external tool controls the threaded inner shaft 702 to rotate and slide downward in the hollow groove 701 through the cross control groove 708, and the conical extrusion head 703 squeezes the ends of the multiple groups of positioning sliders 706 that are close to each other. During the downward movement of the conical extrusion head 703, the multiple groups of positioning sliders 706 are pushed to move to the side away from each other, and the outer ends of the positioning sliders 706 will extend outward through the corresponding slide grooves 707. The multiple groups of positioning sliders 706 extending outward fix the sample rack 10, so that the sample rack 10 is in a relatively fixed state.

[0036] The sample holder 10 is fixed by the positioning shaft assembly 7, and the fine-tuning disk 8 is rotated to drive the sample holder 10 to perform angle fine-tuning. The angle fine-tuning is performed under a microscope so that the outer side surface of the sample holder 10 is tightly fitted with and fully aligned with the reference surface 2. After the position of the fine-tuning disk 8 is adjusted, the locking nut on the control ear 9 is tightened to facilitate the positioning of the fine-tuning disk 8.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A fine-tuning precision cutting table, comprising a sample fixture table (1) and an adjustable sample holder (4), wherein the adjustable sample holder (4) is provided with a calibration area (5); Features: An arc-shaped groove (6) is provided on the adjustable sample holder (4) at a position corresponding to the calibration area (5), a fine-tuning disk (8) is movably mounted inside the arc-shaped groove (6) via a rotating shaft, and a positioning shaft assembly (7) for positioning the sample holder (10) is provided on the fine-tuning disk (8); The positioning shaft assembly (7) comprises a fixed sleeve (700) fixed on the fine-tuning disk (8), the top surface of the fixed sleeve (700) is provided with a hollow groove (701) in an inverted T-shaped structure vertically downward, a threaded inner shaft (702) is installed in the inner thread of the hollow groove (701), and a conical extrusion head (703) is provided at the lower end of the threaded inner shaft (702); A plurality of groups of positioning slide blocks (706) are provided at the inner lower end of the hollow groove (701).

2. The fine-tuning precision cutting table according to claim 1, characterized in that: The outer side surface of the fixed sleeve (700) is penetrated by a plurality of slide grooves (707), and the positioning sliders (706) are slidably installed inside the slide grooves (707). The plurality of positioning sliders (706) are distributed in the hollow groove (701) in a ring array.

3. The fine-tuning precision cutting table according to claim 1, characterized in that: One end of the plurality of groups of positioning sliders (706) close to each other is fixedly connected to the fixing plate (704) via a tension band (705), and the fixing plate (704) is fixedly installed on the inner bottom surface of the hollow groove (701). In the initial state, the plurality of groups of positioning sliders (706) are contracted inside the hollow groove (701) under the tension of the tension band (705).

4. The fine-tuning precision cutting table according to claim 1, characterized in that: The left and right sides of the fine-tuning disk (8) are both provided with pull ears (9), and locking nuts are provided on the pull ears (9).

5. The fine-tuning precision cutting table according to claim 1, characterized in that: A cross control groove (708) is formed on the top surface of the threaded inner shaft (702).

6. The fine-tuning precision cutting table according to claim 1, characterized in that: A reference surface (2) is movably mounted on one side of the sample fixture table (1), and a cutting groove (3) is provided on the reference surface (2).

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