X-ray diffractometer sample table suitable for large-thickness sample

Abstract

The utility model discloses an X-ray diffractometer sample table suitable for a large-thickness sample, belongs to the technical field of metal material performance detection equipment, and is used for detecting the large-thickness sample. According to the technical scheme, a base is a rectangular flat plate, the lower end of a gear disc fixing rod is perpendicularly connected with the base, the upper end of the gear disc fixing rod is rotationally connected with a gear disc, a rotary knob is fixed to one side of the gear disc, the lower end of a rack sleeve is perpendicularly connected with the base, and the lower portion of a lifting rack is inserted into an opening in the upper end of the rack sleeve; the upper portion of the lifting rack is meshed with gear teeth of the gear disc, the upper end of the lifting rack is connected with the bottom face of the sample platform, a jackscrew hole is formed in the side wall of the upper portion of the rack sleeve, and the front end of a jackscrew penetrates through the jackscrew hole to be connected with the side wall of the lifting rack in an abutting mode. The device is simple in structure, convenient to use, simple, convenient and rapid to disassemble and assemble, solves the problem of thickness limitation of a test sample of a sample table of equipment, and can realize detection of a large-size sample.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of X-ray diffractometer sample stage of using larger thickness sample, belong to metal material performance detection equipment technical field. BACKGROUND

[0002] X-ray diffractometer is using diffraction principle, accurately determine the crystal structure of substance, texture and stress, material phase analysis, qualitative and quantitative analysis etc., is widely used in the field of metal material structure analysis.Netherlands Panalytical company produces Empyrean series X-ray diffractometer with world's advanced five-axis sample stage, can realize the rotation and movement of five directions of sample to be tested.Five-axis sample stage Z axis movement range is 0~12mm, when Z value is set to 12mm, X-ray irradiation reaches sample stage central region.In carrying out detection, to ensure that X-ray irradiation reaches sample surface central region, need to measure the height of sample to be tested in advance, calculate the difference between sample to be tested height and 12mm, and set the difference as the height of sample stage, i.e.

[0003] Because the lower limit of five-axis sample stage Z value is set to 0, i.e. maximum 12mm is moved downwards, so the thickness of sample cannot exceed 12mm, some samples with thickness exceeding 12mm cannot be tested.Therefore, it is necessary to design a kind of X-ray diffractometer sample stage that can test large thickness sample. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide a kind of X-ray diffractometer sample stage suitable for large thickness sample, this kind of sample stage can break the thickness limit of test sample of existing five-axis sample stage, realize the detection of large size sample, and the device is easy to replace, disassemble, simple and fast.

[0005] The technical solution to solve the above technical problem is:

[0006] A kind of X-ray diffractometer sample stage suitable for large thickness sample, it includes base, gear disc fixed rod, gear disc, knob, rack sleeve, lifting rack, jack, sample platform, base is rectangular flat plate, the lower end of gear disc fixed rod is connected with base vertically, the upper end of gear disc fixed rod is rotatably connected with gear disc, one side of gear disc is fixed with knob, the lower end of rack sleeve is connected with base vertically, the lower part of lifting rack is inserted in the upper end opening of rack sleeve, lifting rack and rack sleeve are slidingly fitted, the upper part of lifting rack is engaged with the gear teeth of gear disc, the bottom surface of lifting rack is connected with the upper end of sample platform, there is jack hole on the sidewall of rack sleeve upper part, the front end of jack is passed through jack hole and is connected with the sidewall of lifting rack tightly.

[0007] The lower ends of the gear disc fixing rod and the rack sleeve are respectively provided with threads, the upper surface of the base is provided with two mounting screw holes, the threads of the two mounting screw holes are respectively matched with the threads of the lower ends of the gear disc fixing rod and the rack sleeve, and the lower ends of the gear disc fixing rod and the rack sleeve are respectively connected with the mounting screw holes of the upper surface of the base in a threaded mode.

[0008] The upper end of the gear disc fixing rod is welded with a horizontal shaft sleeve, a rotating shaft is welded at the center of the gear disc, the rotating shaft is rotationally matched with the shaft sleeve, and one end of the rotating shaft is fixedly connected with a knob.

[0009] The upper end of the lifting rack is provided with a thread, the bottom surface of the sample platform is provided with a rack mounting screw hole, the thread of the rack mounting screw hole is matched with the thread of the upper end of the lifting rack, and the upper end of the lifting rack is connected with the rack mounting screw hole of the bottom surface of the sample platform in a threaded mode.

[0010] The utility model discloses a gear disc fixing rod, a rack sleeve, a lifting rack, a sample platform and a top pin are arranged on the base.

[0011] The gear disc is rotationally connected to the upper end of the gear disc fixing rod, and the knob can rotate the gear disc.

[0012] The utility model discloses simple structure, convenient to use, easy and convenient to disassemble and assemble, solves the equipment self -owned sample platform test sample thickness limit, can realize the detection of large -size sample. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram of the utility model.

[0014] The following marks are shown in the drawing: base 1, gear disc fixing rod 2, gear disc 3, knob 4, rack sleeve 5, lifting rack 6, top pin 7, sample platform 8, sample 9, shaft sleeve 10, rotating shaft 11. DETAILED DESCRIPTION

[0015] The utility model discloses a base 1, gear disc fixing rod 2, gear disc 3, knob 4, rack sleeve 5, lifting rack 6, top pin 7, sample platform 8, shaft sleeve 10, rotating shaft 11 are formed.

[0016] It is shown in the drawing that the base 1 is a flat plate, and the upper surface of the base 1 is provided with two mounting screw holes for mounting the gear disc fixing rod 2 and the rack sleeve 5 respectively.

[0017] As shown in the figure, the gear disc fixing rod 2 is a vertical long rod, the lower end of the gear disc fixing rod 2 is threaded, the thread of the lower end of the gear disc fixing rod 2 matches the thread of the mounting screw hole, and the lower end of the gear disc fixing rod 2 is in threaded connection with the mounting screw hole on the upper surface of the base 1.

[0018] As shown in the figure, the upper end of the gear disc fixing rod 2 is rotationally connected with a gear disc 3. The upper end of the gear disc fixing rod 2 is welded with a horizontal shaft sleeve 10, the center of the gear disc 3 is welded with a rotating shaft 11, the rotating shaft 11 is in rotationally matched with the shaft sleeve 10, one end of the rotating shaft 11 is fixedly connected with a knob 4, and the rotating knob 4 can rotate the gear disc 3.

[0019] As shown in the figure, the rack sleeve 5 is a vertical long sleeve, the lower end of the rack sleeve 5 is threaded, the thread of the lower end of the rack sleeve 5 matches the thread of the mounting screw hole, and the lower end of the rack sleeve 5 is in threaded connection with the mounting screw hole on the upper surface of the base 1.

[0020] As shown in the figure, the lower part of the lifting rack 6 is inserted into the upper end opening of the rack sleeve 5, the lifting rack 6 is in slidingly matched with the inner hole of the rack sleeve 5, the upper part of the lifting rack 6 is in meshing with the gear teeth of the gear disc 3, and the gear disc 3 can drive the lifting rack 6 to move up and down when rotating. The upper part of the side wall of the rack sleeve 5 is provided with a jackscrew hole, the front end of a jackscrew 7 passes through the jackscrew hole and is in abutting connection with the side wall of the lifting rack 6, and the jackscrew 7 can fix the position of the lifting rack 6.

[0021] As shown in the figure, the upper end of the lifting rack 6 is connected with the bottom surface of a sample platform 8, and the sample platform 8 is a square. The upper end of the lifting rack 6 is threaded, the bottom surface of the sample platform 8 is provided with a rack mounting screw hole, the thread of the rack mounting screw hole matches the thread of the upper end of the lifting rack 6, and the upper end of the lifting rack 6 is in threaded connection with the rack mounting screw hole on the bottom surface of the sample platform 8. When the lifting rack 6 moves up and down, the sample platform 8 can be driven to move up and down, so that the sample 9 is moved to a suitable height position. The length of the lifting rack 6 is 210 mm, and the sample 9 with a height of 0-190 mm can be tested.

[0022] The use process of the utility model is as follows:

[0023] The sample 9 is placed in the center of the sample platform 8, the height fixing instrument of the equipment is assembled, the right hand holds the knob 4, the left hand loosens the jackscrew 7, then the knob 4 is rotated clockwise to drive the gear disc 3 to rotate clockwise, the gear disc 3 drives the lifting rack 6 to rise upwards, when the height of the sample 9 reaches the position of the height fixing instrument, the rotation is stopped, the right hand holds the knob 4, the left hand tightens the jackscrew 7, the lifting rack 6 is abutted, and the height fixing instrument is removed to start the test.

[0024] An embodiment of the utility model is as follows:

[0025] The base 1 has a length of 300 mm, a width of 200 mm, and a thickness of 5 mm;

[0026] The gear disc fixing rod 2 has a diameter of 10 mm and a length of 200 mm;

[0027] The gear disc 3 has a diameter of 100 mm and a thickness of 10 mm;

[0028] The rack sleeve 5 has an outer diameter of 30 mm, an inner hole diameter of 20 mm, and a height of 210 mm;

[0029] The lifting rack 6 has a length of 210 mm, a width of 10 mm, and a thickness of 10 mm;

[0030] The jackscrew 7 has a diameter of 5 mm and a length of 25 mm;

[0031] The sample platform 8 has a length of 200 mm, a width of 200 mm, and a thickness of 5 mm.

Claims

1. An X-ray diffractometer sample stage suitable for large thickness samples, characterized by: It includes base (1), gear disc fixed rod (2), gear disc (3), knob (4), rack sleeve (5), lifting rack (6), jack (7), sample platform (8), base (1) is rectangular flat plate, the lower end of gear disc fixed rod (2) is connected with base (1) vertically, the upper end of gear disc fixed rod (2) is rotatably connected with gear disc (3), one side of gear disc (3) is fixed with knob (4), the lower end of rack sleeve (5) is connected with base (1) vertically, the lower part of lifting rack (6) is inserted in the upper end opening of rack sleeve (5), the inner hole of lifting rack (6) and rack sleeve (5) is slidingly fitted, the upper part of lifting rack (6) is engaged with the gear teeth of gear disc (3), the upper end of lifting rack (6) is connected with the bottom surface of sample platform (8), there is a jack hole in the sidewall of rack sleeve (5) upper part, the front end of jack (7) passes through the jack hole and is connected with the sidewall of lifting rack (6) tightly.

2. The X-ray diffractometer sample stage suitable for large thickness samples of claim 1, wherein: The lower end of gear disc fixed rod (2) and rack sleeve (5) is threaded respectively, the upper surface of base (1) has two mounting screw holes, the threads of two mounting screw holes are matched with the threads of the lower end of gear disc fixed rod (2) and rack sleeve (5) respectively, the lower end of gear disc fixed rod (2) and rack sleeve (5) is screw connected with the mounting screw hole on the upper surface of base (1) respectively.

3. The X-ray diffractometer sample stage suitable for large thickness samples of claim 1, wherein: The upper end of gear disc fixed rod (2) is welded with horizontal shaft sleeve (10), gear disc (3) center is welded with rotating shaft (11), rotating shaft (11) is rotatably connected with shaft sleeve (10), one end of rotating shaft (11) is fixedly connected with knob (4).

4. The X-ray diffractometer sample stage suitable for large thickness samples of claim 1, wherein: The upper end of lifting rack (6) is threaded, the bottom surface of sample platform (8) has rack mounting screw hole, the thread of rack mounting screw hole is matched with the thread of the upper end of lifting rack (6), the upper end of lifting rack (6) is screw connected with the rack mounting screw hole on the bottom surface of sample platform (8).

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