CN215179816U - Positioning device for X-ray fluorescence spectrometer - Google Patents

Abstract

The utility model discloses a positioner for X ray fluorescence spectrum appearance belongs to spectrum appearance technical field, including the detector body, the equal fixedly connected with support frame in the left and right sides of detector body, two the bottom fixedly connected with workstation of support frame, the top fixedly connected with lifting unit of workstation, lifting unit's top articulates there is the U-shaped board, the left and right sides of U-shaped board respectively with two support frame sliding connection. The utility model discloses a, can drive the rack through electric putter and remove, rack and gear engagement to can drive gear revolve, the top of gear articulates there are two connecting rods, can make one side that the gear was kept away from to two connecting rods be close to each other, one side that the gear was kept away from to two connecting rods all articulates there is the pull rod, one side that the gear was kept away from to two pull rods all articulates there is the locating plate, thereby can drive two pull rods and be close to each other, make two locating plates be close to each other and press from both sides the sample dish tightly.

Description

Positioning device for X-ray fluorescence spectrometer

Technical Field

The utility model relates to a spectrum appearance technical field, more specifically say, relate to a positioner for X ray fluorescence spectrum appearance.

Background

The fluorescence spectrometer is also called as a fluorescence spectrophotometer, is a qualitative and quantitative analysis instrument, and consists of a light source, an excitation light source, an emission light source, a sample cell, a detector, a display device and the like.

The prior art discloses a CN 208206847U sample disc positioning device of a total reflection X fluorescence spectrometer, which comprises a detector, a bracket, a worktable, positioning plates, a sample disc body, anti-skid pads, a pressing plate, a worm gear, a connecting block, a first knob, a threaded rod, a second knob, threaded holes, clamping grooves and bearings, wherein the anti-skid pads are fixedly connected below the two positioning plates by embedding the two sides of the sample disc into the two positioning plates, the two anti-skid pads are connected through the threaded rod, the compactness between the two anti-skid pads can be adjusted when the threaded rod is rotated, an upward lifting force can be applied to the sample disc by installing the worm gear on the threaded rod in the vertical direction, so that the sample disc is prevented from moving on the worktable, but the positioning device has low positioning speed and troublesome operation and can not adjust the detection distance between the sample disc and the detector, the detection work of the sample can be influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a positioner for X ray fluorescence spectrum appearance possesses that positioning speed is fast, easy operation, and the advantage of adjustable detection distance has solved positioner positioning speed and has operated more troublesome slowly, can not adjust the detection distance between sample dish and the detector moreover, can influence the problem of the detection work of sample to a certain extent.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A positioning device for an X-ray fluorescence spectrometer comprises a detector body, wherein the left side and the right side of the detector body are fixedly connected with support frames, the bottoms of the two support frames are fixedly connected with a workbench, the top of the workbench is fixedly connected with a lifting assembly, the top of the lifting assembly is hinged with a U-shaped plate, the left side and the right side of the U-shaped plate are respectively in sliding connection with the two support frames, the inner bottom wall of the U-shaped plate is fixedly connected with an electric push rod, the left side of the electric push rod is fixedly connected with a rack, the bottom of the rack is in sliding connection with the U-shaped plate, the back of the rack is meshed with a gear, the gear is rotatably connected with the inner bottom wall of the U-shaped plate, the top of the gear is hinged with two connecting rods, one sides of the two connecting rods, far away from the gear, are both hinged with pull rods, and one sides of the two pull rods, far away from the gear, are hinged with positioning plates, the inner wall fixedly connected with two slide bars of U-shaped board, two the top sliding connection of slide bar has the sample dish, two the equal sliding connection of locating plate is in the outside of two slide bars.

Preferably, lifting unit includes the motor, shaft coupling fixedly connected with threaded rod is passed through in the left side of motor, the outside threaded connection of threaded rod has two sliders, two the top of slider all articulates there is the bracing piece, two the top of bracing piece all articulates with the U-shaped board is articulated.

Preferably, the equal fixedly connected with picture peg in the left and right sides of sample dish, two the locating plate is close to one side of sample dish and has all been seted up and has been run through the groove, two the picture peg corresponds with two run through grooves respectively.

Preferably, the tops of the two positioning plates are both penetrated and are slidably connected with inserted rods, the inner top walls of the two penetrating grooves are both fixedly connected with springs, the bottoms of the two springs are both fixedly connected with pressing blocks, and the two springs are respectively sleeved outside the two inserted rods.

Preferably, two sliding grooves are formed in the bottom of the sample disc, and the two sliding rods are respectively connected to the inner parts of the two sliding grooves in a sliding mode.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) in the scheme, the lifting assembly is arranged to play a role in adjusting the height, the U-shaped plate can be lifted, so that the detection distance between the U-shaped plate and the detector body is adjusted, the top parts of the two sliding rods are slidably connected with the sample disc, the electric push rod can drive the rack to move left and right, the rack is meshed with the gear, so that the gear can be driven to rotate, the top parts of the gears are hinged with the two connecting rods, one sides of the two connecting rods, which are far away from the gear, are mutually close, the pull rods are hinged with one sides of the two connecting rods, which are far away from the gear, the positioning plates are hinged with one sides of the two pull rods, which are far away from the gear, so that the two pull rods can be driven to mutually close to clamp the sample disc, the two sliding rods can play a role in supporting and limiting the two positioning plates and the sample disc, and the sample disc and the two positioning plates can not generate front and back displacement in the sliding process, thereby avoiding the position deviation caused by the rotation of the sample plate.

(2) This scheme, can drive the threaded rod through setting up the motor and rotate, the outside threaded connection of threaded rod has two sliders, make two sliders be close to one side of sample dish simultaneously, the top of slider articulates there is the bracing piece, when making two sliders be close to each other, the inclination of bracing piece crescent, the top of two bracing pieces all is articulated with the U-shaped plate, thereby can get up the U-shaped plate support, make the U-shaped plate rise gradually, thereby can carry out altitude mixture control to the sample dish, make it be close to the detector body.

(3) This scheme, through setting up the picture peg and running through the groove, when making two locating plates press from both sides the sample dish tightly, the picture peg can be pegged graft into the inside that runs through the groove, makes the sample dish be difficult for breaking away from the top and even overturns to the stability of sample dish has been increased.

(4) This scheme, through setting up two equal fixedly connected with springs of interior roof that run through the groove, and because the bottom of briquetting is the arc form, make the picture peg can slide to the bottom of briquetting, the spring plays the supporting role this moment, can support the briquetting downwards, makes the briquetting can push down the picture peg to carry out the restriction of position from top to bottom to the sample dish, make it can not take place to rock from top to bottom.

(5) This scheme, through setting up two slide bars respectively sliding connection in the inside of two spouts, and the roof is the arc form in the spout, can mutually support with the slide bar and play spacing effect, when making the sample dish put at the top of two slide bars, can restrict the front and back position of sample dish, make its displacement around can not.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic top view of the connection between the gear and the connecting rod of the present invention;

fig. 3 is a schematic perspective view of the positioning plate of the present invention;

FIG. 4 is a perspective view of a sample plate according to the present invention;

fig. 5 is an enlarged view of a portion a in fig. 1 according to the present invention.

The reference numbers in the figures illustrate:

1. a probe body; 2. a support frame; 3. a work table; 4. a lifting assembly; 41. a motor; 42. a threaded rod; 43. a slider; 44. a support bar; 5. a U-shaped plate; 6. an electric push rod; 7. a rack; 8. a gear; 9. a connecting rod; 10. a pull rod; 11. positioning a plate; 111. inserting a rod; 112. a spring; 113. briquetting; 12. a slide bar; 13. a sample tray; 131. inserting plates; 132. a through groove; 133. a chute.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a positioning device for an X-ray fluorescence spectrometer comprises a detector body 1, wherein the left and right sides of the detector body 1 are fixedly connected with support frames 2, the bottoms of the two support frames 2 are fixedly connected with a workbench 3, the top of the workbench 3 is fixedly connected with a lifting assembly 4, the top of the lifting assembly 4 is hinged with a U-shaped plate 5, the left and right sides of the U-shaped plate 5 are respectively connected with the two support frames 2 in a sliding manner, the inner bottom wall of the U-shaped plate 5 is fixedly connected with an electric push rod 6, the left side of the electric push rod 6 is fixedly connected with a rack 7, the bottom of the rack 7 is connected with the U-shaped plate 5 in a sliding manner, the back of the rack 7 is engaged with a gear 8, the gear 8 is rotatably connected with the inner bottom wall of the U-shaped plate 5, the top of the gear 8 is hinged with two connecting rods 9, one sides of the two connecting rods 9 far away from the gear 8 are both hinged with a pull rod 10, one side of the two pull rods 10 far away from the gear 8 is hinged with a positioning plate 11, the inner wall of the U-shaped plate 5 is fixedly connected with two slide bars 12, the tops of the two slide bars 12 are slidably connected with a sample disc 13, two positioning plates 11 are both slidably connected with the outer parts of the two slide bars 12, the lifting assembly 4 can be arranged to play a role of adjusting the height, the U-shaped plate 5 can be lifted, so as to adjust the detection distance between the U-shaped plate and the detector body 1, the tops of the two slide bars 12 are slidably connected with the sample disc 13, the electric push rod 6 can drive the rack 7 to move left and right, the rack 7 is meshed with the gear 8, so as to drive the gear 8 to rotate, the top of the gear 8 is hinged with two connecting rods 9, one sides of the two connecting rods 9, which are far away from the gear 8, are close to each other, one sides of the two connecting rods 9, which are far away from the gear 8, are both hinged with pull rods 10, one sides of the two pull rods 10, which are far away from the gear 8, are both hinged with positioning plates 11, so as to drive the two pull rods 10 to close to each other, make two locating plates 11 be close to each other and press from both sides sample dish 13 tightly, two slide bars 12 can play the spacing effect of support to two locating plates 11 and sample dish 13, make sample dish 13 and two locating plates 11 all can not take place the displacement around at gliding in-process to avoid sample dish 13 to take place to rotate and make the position produce the deviation.

Further, the lifting assembly 4 comprises a motor 41, the left side of the motor 41 is fixedly connected with a threaded rod 42 through a coupler, the outer thread of the threaded rod 42 is connected with two sliding blocks 43, the tops of the two sliding blocks 43 are hinged with supporting rods 44, the tops of the two supporting rods 44 are hinged with the U-shaped plate 5, by arranging the motor 41, the threaded rod 42 can be driven to rotate, the external thread of the threaded rod 42 is connected with two sliding blocks 43, so that the two sliding blocks 43 can simultaneously approach one side of the sample disk 13, the top of the sliding block 43 is hinged with a support rod 44, when the two sliding blocks 43 approach each other, the inclination angles of the supporting rods 44 are gradually increased, the tops of the two supporting rods 44 are hinged with the U-shaped plate 5, so that the U-shaped plate 5 can be supported to gradually raise the U-shaped plate 5, so that the sample tray 13 can be adjusted in height to be close to the probe body 1.

Furthermore, the left side and the right side of the sample plate 13 are fixedly connected with inserting plates 131, one side of each of the two positioning plates 11 close to the sample plate 13 is provided with a through groove 132, the two inserting plates 131 correspond to the two through grooves 132 respectively, and by arranging the inserting plates 131 and the through grooves 132, when the two positioning plates 11 clamp the sample plate 13 tightly, the inserting plates 131 can be inserted into the through grooves 132, so that the sample plate 13 is not easy to break away from the upper side or even overturn, and the stability of the sample plate 13 is improved.

Further, the top of two locating plates 11 all runs through and sliding connection has inserted bar 111, two equal fixedly connected with springs 112 of the interior roof that runs through groove 132, the equal fixedly connected with briquetting 113 in bottom of two springs 112, two springs 112 overlap the outside of locating two inserted bar 111 respectively, through setting up two equal fixedly connected with springs 112 of the interior roof that runs through groove 132, and be the arc form because briquetting 113's bottom, make picture peg 131 can slide to briquetting 113's bottom, spring 112 plays the supporting role this moment, can support briquetting 113 downwards, make briquetting 113 can push down picture peg 131, thereby carry out the restriction of position from top to bottom to sample dish 13, make it can not take place to rock from top to bottom.

Further, two chutes 133 have been seted up to the bottom of sample disc 13, two slide bars 12 sliding connection respectively in the inside of two chutes 133, through setting up two slide bars 12 sliding connection respectively in the inside of two chutes 133, and the roof is the arc form in the chute 133, can mutually support with slide bar 12 and play spacing effect, when making sample disc 13 put at the top of two slide bars 12, can restrict the front and back position of sample disc 13, make it can not displacement around.

It should be noted that each device in the present application is a common device in the market, and can be selected according to the requirement when in specific use, and the circuit connection relationship of each device belongs to a simple series and parallel connection circuit, and there is no innovation point in the circuit connection, and those skilled in the art can easily implement the circuit connection, and belong to the prior art, and are not described again.

The working principle is as follows: when the sample tray 13 is used, the sample tray 13 is placed on the top of the two slide bars 12, the two slide bars 12 are respectively embedded in the two sliding grooves 133, then the electric push rod 6 drives the rack 7 to move leftwards, the gear 8 rotates, one sides of the two connecting rods 9 far away from the gear 8 are driven to approach each other, the two pull rods 10 approach each other, the two positioning plates 11 are driven to approach each other to clamp the sample tray 13, at the moment, the two inserting plates 131 on the left side and the right side of the sample tray 13 are inserted into the through grooves 132 of the two positioning plates 11, the bottom of the pressing block 113 is arc-shaped, the inserting plates 131 can slide to the bottom of the pressing block 113, at the moment, the spring 112 plays a supporting role and can support the pressing block 113 downwards, the pressing block 113 can press the inserting plates 131, so that the up-and-down position of the sample tray 13 is limited, the sample tray cannot shake up and down, when the distance needs to be adjusted, the motor 41 is started to drive the threaded rod 42 to rotate, two sliders 43 of threaded rod 42's outside threaded connection, make two sliders 43 be close to one side of sample dish 13 simultaneously, the top of slider 43 articulates there is bracing piece 44, when making two sliders 43 be close to each other, bracing piece 44's inclination crescent, two bracing piece 44's top all is articulated with U-shaped plate 5, thereby can support U-shaped plate 5, make U-shaped plate 5 rise gradually, thereby can carry out altitude mixture control to sample dish 13, make it be close to detector body 1, it is slow and the operation is more troublesome to have solved positioner positioning speed, and can not adjust the detection distance between sample dish 13 and the detector, can influence the problem of the detection work of sample to a certain extent.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. A positioning device for an X-ray fluorescence spectrometer, comprising a detector body (1), characterized in that: the detector comprises a detector body (1), wherein support frames (2) are fixedly connected to the left side and the right side of the detector body (1), two work tables (3) are fixedly connected to the bottoms of the support frames (2), a lifting assembly (4) is fixedly connected to the top of each work table (3), a U-shaped plate (5) is hinged to the top of each lifting assembly (4), the left side and the right side of each U-shaped plate (5) are respectively in sliding connection with the two support frames (2), an electric push rod (6) is fixedly connected to the inner bottom wall of each U-shaped plate (5), a rack (7) is fixedly connected to the left side of each electric push rod (6), the bottom of each rack (7) is in sliding connection with the corresponding U-shaped plate (5), a gear (8) is meshed to the back of each rack (7), the gear (8) is rotatably connected to the inner bottom wall of each U-shaped plate (5), and two connecting rods (9) are hinged to the top of each gear (8), two one side that gear (8) were kept away from in connecting rod (9) all articulates there is pull rod (10), two one side that gear (8) were kept away from in pull rod (10) all articulates there is locating plate (11), two slide bar (12) of the inner wall fixedly connected with of U-shaped plate (5), two the top sliding connection of slide bar (12) has sample dish (13), two the equal sliding connection in the outside of two slide bar (12) in locating plate (11).

2. The positioning device of claim 1, wherein: lifting unit (4) include motor (41), shaft coupling fixedly connected with threaded rod (42) is passed through in the left side of motor (41), the outside threaded connection of threaded rod (42) has two sliders (43), two the top of slider (43) all articulates there is bracing piece (44), two the top of bracing piece (44) all articulates with U-shaped board (5).

3. The positioning device of claim 1, wherein: the equal fixedly connected with picture peg (131) in the left and right sides of sample dish (13), two one side that locating plate (11) are close to sample dish (13) has all been seted up and has been run through groove (132), two picture peg (131) are corresponding with two through grooves (132) respectively.

4. A positioning device for an X-ray fluorescence spectrometer according to claim 3, characterized in that: the top of each of the two positioning plates (11) is penetrated and slidably connected with an inserted rod (111), the inner top wall of each penetrating groove (132) is fixedly connected with a spring (112), the bottom of each spring (112) is fixedly connected with a pressing block (113), and the springs (112) are respectively sleeved outside the two inserted rods (111).

5. The positioning device of claim 1, wherein: two sliding grooves (133) are formed in the bottom of the sample disc (13), and the two sliding rods (12) are respectively connected to the insides of the two sliding grooves (133) in a sliding mode.

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