Glow discharge mass spectrometer rod-like sample grinding and polishing equipment

Abstract

The utility model relates to the field of metal sample processing, in particular to bar-shaped sample grinding and polishing equipment of a glow discharge mass spectrometer. The equipment comprises an equipment outer frame, a power mechanism, a sample clamping mechanism, an abrasive belt clamping and moving mechanism, a workpiece sliding rail and a transparent protective housing. Firstly, a rod-shaped sample is fixed between the chuck and the ejector head, then the abrasive belt is pressed and then moved to a proper position, the power mechanism is started to enable the sample to rotate, meanwhile, the abrasive belt is moved to the proper position through the abrasive belt moving mechanism, the rod-shaped sample is ground, and the grinding and polishing process is completed. The equipment can be used for observing the grinding and polishing process, is rapid and safe, and solves the problems of low efficiency, poor safety, non-uniform sample surface quality and the like caused by only manual grinding and polishing of rod-shaped samples in the prior art.

Description

Technical Field

[0001] The utility model relates to the field of metal sample processing, in particular to a rod-shaped sample grinding and polishing device for a glow discharge mass spectrometer. Background Art

[0002] With the development of science and technology and engineering applications, people pay more and more attention to the purity of materials. Glow discharge mass spectrometer is one of the most advanced devices for detecting material composition. Its extremely high sensitivity can detect trace elements with extremely low content in materials. However, high sensitivity also means that the surface quality of the sample to be tested must be very high. Poor surface treatment of the sample will directly affect the test value, resulting in abnormal test data and even equipment failure. The traditional way to process rod-shaped samples is manual grinding and polishing, which is not only inefficient and unsafe, but also has uneven sample surface quality.

[0003] In view of this, the present invention designs a fast and safe glow discharge mass spectrometer rod sample polishing device capable of observing the polishing process, so as to meet the demand for sample preparation during detection. Summary of the invention

[0004] In view of the problems in the prior art, the utility model provides a glow discharge mass spectrometer rod sample grinding and polishing device, which can observe the grinding and polishing process, is fast and safe, and solves the problems of low efficiency, poor safety, and uneven sample surface quality in the prior art of only being able to grind and polish rod samples manually.

[0005] The technical solution of the utility model is:

[0006] A rod-shaped sample grinding and polishing device for a glow discharge mass spectrometer comprises an equipment outer frame, a workpiece slide rail, an abrasive belt slide rail, a power mechanism, a sample clamping mechanism, an abrasive belt clamping mechanism, an abrasive belt moving mechanism and a transparent protective cover, wherein: the power mechanism comprises a power motor, a motor cover and a power connecting rod; the sample clamping mechanism comprises a chuck, a mandrel and a mandrel cover; the abrasive belt clamping mechanism comprises an upper pressing piece, a lower pressing piece, a pressing screw, a pressing rubber and a pressing mechanism support; the abrasive belt moving mechanism comprises a hand lever, a hand lever support, a hand lever bracket, a tension spring, a moving slider, a slider connecting rod and a moving slide rail, and the specific structure of the device is as follows:

[0007] The power mechanism and the sample clamping mechanism are fixed on the workpiece slide rail, wherein the power motor of the power mechanism is fixed on the workpiece slide rail, the motor cover is outside the power motor and fixed on the workpiece slide rail, plays the role of protecting the power motor and blocking the metal debris and sanding belt dust generated during the grinding and polishing process, the chuck is connected to the power mechanism through a power connecting rod, the head is installed on the workpiece slide rail, and the head cover is outside the head and installed on the workpiece slide rail;

[0008] The sanding belt moving mechanism is provided with two moving slide blocks, the sanding belt clamping mechanism is fixed on the moving slide block, the moving slide block is installed on the moving slide rail, and the two moving slide blocks are connected by a slide block connecting rod; the clamping mechanism pillar and the hand lever pillar are fixed on the moving slide block, the upper end of the clamping mechanism pillar is connected to the lower clamping plate, the hand lever bracket is installed on the top of the hand lever pillar and connected to the hand lever, the hand lever is installed on the lower clamping plate through the hand lever bracket, the clamping rubber is fixed on the lower part of the upper clamping plate and the upper part of the lower clamping plate, and the upper clamping plate and the lower clamping plate are fastened by the clamping screw;

[0009] The workpiece slide rail and the sanding belt slide rail are arranged perpendicular to each other in a horizontal plane. Both the workpiece slide rail and the sanding belt slide rail are rigidly connected to the outer frame of the equipment, and a transparent protective cover shell is installed on the outer frame of the equipment.

[0010] The above-mentioned glow discharge mass spectrometer rod-shaped sample grinding and polishing equipment, its preferred scheme is that the clamping mechanism pillar passes through the upper clamping plate and the lower clamping plate; the clamping rubber is nested on the clamping mechanism pillar, and the clamping mechanism pillar below the lower clamping plate is covered with a tension spring on the outside, and the lower end of the tension spring is fixed on the moving slider, the clamping rubber is in contact with the sanding belt, and the upper clamping plate, the lower clamping plate and the clamping rubber are responsible for clamping the sanding belt.

[0011] The preferred embodiment of the above-mentioned glow discharge mass spectrometer rod-shaped sample grinding and polishing equipment is that the power mechanism and the chuck are fixed in position, and the position of the head is movable to accommodate samples of various specifications and sizes.

[0012] The method of using the device is:

[0013] First, clamp one end of the rod sample on the chuck, and move the head to clamp the other end of the rod sample. Then adjust the abrasive belt clamping mechanism to clamp the abrasive belt. Next, fasten the transparent protective cover, press the power mechanism switch, the power mechanism drives the rod sample to start rotating, and the abrasive belt clamping mechanism is driven up and down by the hand lever to find the appropriate contact position with the sample. At the same time, the moving slider can be driven by the hand lever to move on the abrasive belt slide rail to achieve grinding of the sample.

[0014] The advantages and beneficial effects of the utility model are:

[0015] 1. The utility model has high grinding and polishing efficiency, and the equipment is small and flexible;

[0016] 2. The utility model adopts a grinding and polishing method in which the sample is rotated and the abrasive belt is moved appropriately, which ensures the grinding and polishing effect while the final state of the sample surface is basically consistent;

[0017] 3. The utility model has flexible clamping and is suitable for the preparation of samples of various sizes;

[0018] 4. The sandpaper and abrasive belt of the utility model can be replaced quickly and conveniently. By selecting sandpaper with different meshes for grinding and polishing, the sample can reach different surface roughness levels to meet various testing requirements;

[0019] 5. The transparent protective cover of the utility model can ensure the safety of the operator, the process is transparent and visible, and it is easy to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the rod sample polishing equipment for glow discharge mass spectrometer;

[0021] Figure 2 It is a schematic diagram of the power mechanism;

[0022] Figure 3 Schematic diagram of the sample clamping mechanism;

[0023] Figure 4 It is a schematic diagram of the abrasive belt clamping mechanism;

[0024] Figure 5 It is the schematic diagram of the sand belt moving mechanism;

[0025] In the figure: 100-power mechanism; 101-power motor; 102-motor cover; 103-power connecting rod; 200-sample clamping mechanism; 201-chuck; 202-head; 203-head cover; 300-workpiece slide; 400-abrasive belt clamping mechanism; 401-upper clamping plate; 402-lower clamping plate; 403-clamping screw; 404-clamping rubber; 405-clamping mechanism support; 500-abrasive belt moving mechanism; 501-hand lever; 502-hand lever bracket; 503-hand lever support; 504-moving slide; 505-moving slider; 506-tension spring; 507-slider connecting rod; 600-abrasive belt slide; 700-equipment outer frame; 800-transparent protective cover. DETAILED DESCRIPTION

[0026] In order to clearly illustrate the structure of the device of the present invention, the specific implementation methods of the present invention are further described in detail below in conjunction with the accompanying drawings and embodiments of the specification. Example 1

[0027] like Figure 1-5As shown, a rod-shaped sample grinding and polishing device for a glow discharge mass spectrometer includes an equipment outer frame 700, a workpiece slide rail 300, an abrasive belt slide rail 600, a power mechanism 100, a sample clamping mechanism 200, an abrasive belt clamping mechanism 400, an abrasive belt moving mechanism 500 and a transparent protective cover shell 800, wherein: the power mechanism 100 includes a power motor 101, a motor cover shell 102 and a power connecting rod 103; the sample clamping mechanism 200 includes a chuck 201, a head 22 and a head cover shell 203; the abrasive belt clamping mechanism 400 includes an upper clamping sheet 401, a lower clamping sheet 402, a clamping screw 403, a clamping rubber 404 and a clamping mechanism support 405; the abrasive belt moving mechanism 500 includes a hand lever 501, a hand lever support 503, a hand lever bracket 502, a tension spring 506, a moving slider 505, a slider connecting rod 507 and a moving slide rail 505, and the specific structure of the device is as follows:

[0028] The power mechanism 100 and the sample clamping mechanism 200 are fixed on the workpiece slide rail 300, wherein the power motor 101 provides power for the sample rotation during the grinding and polishing process, the power motor 101 of the power mechanism 100 is fixed on the workpiece slide rail 300, the motor cover 102 is outside the power motor 101 and fixed on the workpiece slide rail 300, plays a role in protecting the power motor 101 and blocking metal debris and sanding belt dust generated during the grinding and polishing process, the chuck 201 is connected to the power mechanism 100 through a power connecting rod 103, the power connecting rod 103 transmits power to the chuck 201, the plug 202 is installed on the workpiece slide rail 300, the plug cover 203 is outside the plug 202 and installed on the workpiece slide rail 300; the power mechanism 100 and the chuck 201 are fixed positions, and the position of the plug 202 is movable to adapt to samples of various specifications and sizes, and the plug 202 plays a role in assisting in fixing the sample;

[0029] The abrasive belt moving mechanism 500 is provided with two moving sliders 505, the abrasive belt clamping mechanism 400 is fixed on the moving slider 505, the moving slider 505 is installed on the moving slide rail 504, and the two moving sliders 505 are connected by a slider connecting rod 507, so that the abrasive belt moving mechanism 500 distributed on both sides of the workpiece slide rail 300 becomes a whole; the clamping mechanism pillar 405 and the hand rod 501 pillar are fixed on the moving slider 505, the upper end of the clamping mechanism pillar 405 is connected to the lower clamping plate 402, the hand rod bracket 502 is installed on the top of the hand rod pillar 503 and connected to the hand rod 501, the hand rod 501 is installed on the lower clamping plate 402 through the hand rod bracket 502, the clamping rubber 404 is fixed to the lower part of the upper clamping plate 401 and the upper part of the lower clamping plate 402, and the upper clamping plate 401 and the lower clamping plate 402 are fastened by the clamping screw 403 The clamping sheet 402; the clamping mechanism pillar 405 passes through the upper clamping sheet 401 and the lower clamping sheet 402; the clamping rubber 404 is nested on the clamping mechanism pillar 405, and the clamping mechanism pillar 405 below the lower clamping sheet 402 is covered with a tension spring 506 on the outside, and the lower end of the tension spring 506 is fixed on the movable slider 505, and the clamping rubber 404 is in contact with the abrasive belt, and the upper clamping sheet 401, the lower clamping sheet 402 and the clamping rubber 404 are responsible for clamping the abrasive belt; due to the lever principle, when the hand lever 501 is pressed down, the lower clamping sheet 402 can be lifted, and when the hand lever 501 is lifted up, the lower clamping sheet 402 can be lowered, so that the abrasive belt can be flexibly and appropriately in contact with the sample; when the hand lever 501 moves laterally, it can drive the movable slider 505 to move laterally on the movable slide rail 504, so as to realize the lateral movement of the abrasive belt;

[0030] The workpiece slide rail 300 and the abrasive belt slide rail 600 are arranged perpendicular to each other in a horizontal plane. The workpiece slide rail 300 and the abrasive belt slide rail 600 are rigidly connected to the equipment outer frame 700, and the transparent protective cover shell 800 is installed on the equipment outer frame.

Claims

1. A rod-shaped sample polishing device for a glow discharge mass spectrometer, characterized in that: It includes an equipment outer frame, a workpiece slide rail, an abrasive belt slide rail, a power mechanism, a sample clamping mechanism, an abrasive belt clamping mechanism, an abrasive belt moving mechanism and a transparent protective cover, wherein: the power mechanism includes a power motor, a motor cover and a power connecting rod; the sample clamping mechanism includes a chuck, a mandrel and a mandrel cover; the abrasive belt clamping mechanism includes an upper clamping plate, a lower clamping plate, a clamping screw, a clamping rubber and a clamping mechanism support; the abrasive belt moving mechanism includes a hand lever, a hand lever support, a hand lever bracket, a tension spring, a moving slider, a slider connecting rod and a moving slide rail. The specific structure of the equipment is as follows: The power mechanism and the sample clamping mechanism are fixed on the workpiece slide rail, wherein the power motor of the power mechanism is fixed on the workpiece slide rail, the motor cover is outside the power motor and fixed on the workpiece slide rail, the chuck is connected to the power mechanism through a power connecting rod, the top head is installed on the workpiece slide rail, and the top head cover is outside the top head and installed on the workpiece slide rail; The sanding belt moving mechanism is provided with two moving slide blocks, the sanding belt clamping mechanism is fixed on the moving slide block, the moving slide block is installed on the moving slide rail, and the two moving slide blocks are connected by a slide block connecting rod; the clamping mechanism pillar and the hand lever pillar are fixed on the moving slide block, the upper end of the clamping mechanism pillar is connected to the lower clamping plate, the hand lever bracket is installed on the top of the hand lever pillar and connected to the hand lever, the hand lever is installed on the lower clamping plate through the hand lever bracket, the clamping rubber is fixed on the lower part of the upper clamping plate and the upper part of the lower clamping plate, and is fastened to the upper clamping plate and the lower clamping plate by clamping screws; The workpiece slide rail and the sanding belt slide rail are arranged perpendicular to each other in a horizontal plane. Both the workpiece slide rail and the sanding belt slide rail are rigidly connected to the outer frame of the equipment, and a transparent protective cover shell is installed on the outer frame of the equipment.

2. The rod-shaped sample polishing device for glow discharge mass spectrometer according to claim 1, characterized in that: The clamping mechanism pillar passes through the upper clamping plate and the lower clamping plate; the clamping rubber is nested on the clamping mechanism pillar, and the clamping mechanism pillar below the lower clamping plate is covered with a tension spring, and the lower end of the tension spring is fixed on the moving slider.

3. The rod-shaped sample polishing device for glow discharge mass spectrometer according to claim 1, characterized in that: The power mechanism and the chuck are fixed in position, and the position of the ejector head is movable.

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