CN220136994U - Magnetic pressing block and clamp - Google Patents

Abstract

The utility model belongs to the technical field of accessories of Fourier infrared spectrometers, and discloses a magnetic pressing block. The magnetic pressing block comprises a pressing block body, wherein one end of the pressing block body is fixedly provided with a mounting hole, and a magnetic absorption part is arranged in the mounting hole; the limiting groove is formed in the pressing block body and located at one end of the magnetic force absorbing piece, and the limiting groove extends out of the outer side wall of the pressing block body. According to the utility model, a plurality of briquetting bodies with limit grooves with corresponding shapes can be selected according to the shapes of samples, and the briquetting bodies are fixed on a sample table in a magnetic attraction mode through the magnetic attraction parts arranged on the briquetting bodies, so that the samples are installed and fixed. The utility model also discloses a clamp.

Description

Magnetic pressing block and clamp

Technical Field

The utility model belongs to the technical field of accessories of Fourier infrared spectrometers, and relates to a magnetic pressing block and a clamp.

Background

The Fourier infrared spectrometer has extremely wide applicability to samples, and can be applied to solid, liquid or gaseous samples, and inorganic, organic and high molecular compounds can be detected. The Fourier infrared spectrometer has the characteristics of quick test, convenient operation, good repeatability, high sensitivity, small sample consumption, simple instrument structure and the like.

Due to the universality of application of the Fourier infrared spectrometer, the conventional clamp can only be suitable for samples with one size, when the samples with different sizes are tested, the corresponding clamp is required to be selected, on one hand, a plurality of clamps need to occupy a larger storage space, and on the other hand, when the matched clamps are selected, a longer time is required to influence the testing efficiency.

Disclosure of Invention

The utility model aims to solve the technical problems that: aiming at the technical problems in the background technology, the magnetic pressing block is provided, samples with different shapes can be fixed through a plurality of magnetic pressing blocks, and a clamp applied to a Fourier infrared spectrometer is also disclosed.

The technical scheme provided by the utility model is as follows:

a magnetic compact comprising:

the magnetic force absorbing device comprises a pressing block body, wherein one end of the pressing block body is fixedly provided with a mounting hole, and a magnetic force absorbing part is arranged in the mounting hole;

the limiting groove is formed in the pressing block body and located at one end of the magnetic force absorbing piece, and the limiting groove extends out of the outer side wall of the pressing block body.

Optionally, the briquetting body is equipped with dodges the mouth, dodge the mouth along the briquetting body is kept away from the one end of magnetic force adsorption piece and is stretched into in the spacing groove.

A fixture comprising any one of the magnetic compacts described above, further comprising:

the base plate and the sample table are fixedly arranged on one side of the base plate, and the plurality of press block bodies are adsorbed on one side, far away from the base plate, of the sample table through magnetic force;

a first through hole provided at the center of the sample stage;

the second through hole is arranged in the center of the substrate, and the first through hole and the second through hole correspond to each other.

Optionally, the method further comprises:

the boss is fixedly arranged on one side of the substrate, which is far away from the sample table;

and the third through hole is arranged at the center of the boss, and the third through hole corresponds to the second through hole.

Optionally, the boss and the base plate are integrally formed, and the sample stage is detachably connected with the base plate.

Optionally, the base plate with one side that the sample platform is close to each other evenly is equipped with a plurality of bolt holes, the bolt hole runs through the base plate back stretches into in the boss, the sample platform be equipped with a plurality of with bolt pole of bolt hole one-to-one, the lateral wall of boss be equipped with a plurality of with bolt hole one-to-one's screw hole, the screw hole with bolt hole intercommunication, threaded hole is equipped with the holding screw.

Optionally, the number of the latch rod and the number of the latch holes are four.

Optionally, a soft magnetic patch is disposed on a side of the sample stage away from the substrate.

Optionally, the substrate is provided with a strip-shaped hole, and the strip-shaped hole penetrates through two sides of the substrate.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, a plurality of briquetting bodies with limit grooves with corresponding shapes can be selected according to the shapes of samples, and the briquetting bodies are fixed on a sample table in a magnetic attraction mode through the magnetic attraction parts arranged on the briquetting bodies, so that the samples are installed and fixed.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of a briquette body structure according to the present utility model;

FIG. 2 is a schematic diagram of a briquette body with a circular arc-shaped limiting groove;

FIG. 3 is a perspective view of the present utility model;

FIG. 4 is a rear view of a substrate of the present utility model;

FIG. 5 is a front view of a substrate of the present utility model;

FIG. 6 is a rear view of the sample stage of the present utility model;

fig. 7 is a schematic diagram of a mounting frame for a fourier infrared spectrometer.

In the figure: 1. a briquette body; 11. a mounting hole; 12. a magnetic force absorbing member; 13. a limit groove; 14. an avoidance port; 2. a sample stage; 21. a first through hole; 22. a latch rod; 23. soft magnetic paste; 3. a substrate; 31. a second through hole; 32. a bolt hole; 33. a bar-shaped hole; 4. a boss; 41. a third through hole; 42. and (3) a threaded hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1 and 2, a magnetic compact includes:

the magnetic force absorption device comprises a pressing block body 1, wherein a mounting hole 11 is fixedly formed in one end of the pressing block body 1, and a magnetic force absorption part 12 is arranged in the mounting hole 11;

the limiting groove 13 is formed in the pressing block body 1, the limiting groove 13 is located at one end of the magnetic force absorbing piece 12, and the limiting groove 13 extends out of the outer side wall of the pressing block body 1.

The briquetting body 1 adopts plastics preparation, sets up mounting hole 11 in its one side that is close to sample platform 2, bonds magnetic force suction piece 12 in mounting hole 11, and magnetic force suction piece 12 adopts any one of samarium cobalt magnet, neodymium iron boron magnet, ferrite magnet, alnico magnet, indisputable chromium cobalt magnet, preferential neodymium iron boron magnet. A limit groove 13 is formed in the outer side wall of the pressing block body 1, and the limit groove 13 penetrates through one end of the pressing block body 1, where the magnetic force absorbing piece 12 is arranged. In order to prevent the sample from being crushed, a buffer layer can be adhered to the inner wall of the limit groove 13, and the buffer layer is made of rubber.

As a further scheme, the briquetting body 1 is provided with an avoidance port 14, and the avoidance port 14 extends into the limit groove 13 along one end of the briquetting body 1 away from the magnetic force absorption part 12. By providing the avoiding opening 14, the area shielded by the limiting groove 13 can be reduced by giving way.

Obviously, the shape of the limiting groove 13 can be various, and the limiting groove can be triangular, rectangular, concave arc or outwards convex arc in the section shape, and the limiting groove can be strip-shaped in the whole shape (including acute triangle, right triangle and arc chamfer at the included angle as shown in fig. 2). Obviously, the avoidance port 14 may be triangular, rectangular, concave arc or convex arc in cross section, and may be bar-shaped or triangular in overall shape. The shapes of the limiting groove 13 and the escape opening 14 are not limited, and may be set according to the specific shape and size of the workpiece.

When the workpiece pressing device is specifically used, a plurality of pressing block bodies 1 are selected according to the shape of the workpiece, and the limiting grooves 13 and the avoiding openings 14 of the pressing block bodies 1 are applicable to the workpiece. When the pressing block is specifically used, the number of the pressing block bodies 1 is not limited, and the pressing block can clamp and fix workpieces.

Example 2

Referring to fig. 3-6, a fixture comprising the magnetic compact of embodiment 1, further comprising:

the sample table 2 is fixedly arranged on one side of the substrate 3, and the plurality of press block bodies 1 are adsorbed on one side, away from the substrate 3, of the sample table 2 through magnetic force;

a first through hole 21, the first through hole 21 being provided in the center of the sample stage 2;

a second through hole 31, the second through hole 31 is disposed at the center of the substrate 3, and the first through hole 21 and the second through hole 31 correspond to each other.

As a further aspect, referring to fig. 4, further includes:

the boss 4 is fixedly arranged on one side of the substrate 3 away from the sample platform 2;

and a third through hole 41, wherein the third through hole 41 is arranged at the center of the boss 4, and the third through hole 41 and the second through hole 31 correspond to each other.

As a further scheme, the boss 4 is integrally formed with the base plate 3, and the sample stage 2 is detachably connected with the base plate 3.

One of the detachable connection modes is as follows: referring to fig. 4, 5 and 6, a plurality of bolt holes 32 are uniformly formed on one side, close to each other, of the substrate 3 and the sample stage 2, the bolt holes 32 penetrate through the substrate 3 and then extend into the boss 4, the sample stage 2 is provided with a plurality of bolt rods 22 corresponding to the bolt holes 32 one to one, the outer side wall of the boss 4 is provided with a plurality of threaded holes 42 corresponding to the bolt holes 32 one to one, the threaded holes 42 are communicated with the bolt holes 32, and a set screw is arranged in the threaded holes 42.

Obviously, as shown in fig. 4, the latch hole 32 in the present embodiment may also penetrate the sample stage 2.

The detachable connection may also be (not shown): the substrate 3 evenly is equipped with a plurality of connecting holes that are equipped with the screw thread with one side that sample platform 2 is close to each other, and the connecting hole runs through in the boss 4 of stretching into behind the substrate 3, sample platform 2 be equipped with a plurality of step holes with connecting hole one-to-one, the screw head of screw sink into the macropore in step hole, pass through threaded connection with the connecting hole behind the aperture in step hole is run through to the screw rod of screw.

The sample platform 2 is designed into a detachable structure, the mounting frames with different width requirements can be applied by replacing the sample platform 2, and the production cost and the later maintenance cost can be reduced.

It should be noted that, the sample stage 2, the substrate 3 and the boss 4 may be made of 316 stainless steel.

As a further solution, referring to fig. 3, a soft magnetic patch 23 is disposed on a side of the sample stage 2 away from the substrate 3, the soft magnetic patch 23 is fixed on a side of the sample stage 2 by an adhesive manner, and the soft magnetic patch 23 completely covers the sample stage 2.

Obviously, in order to provide magnetic force, the sample stage 2 can be made of magnetic materials, an electromagnet is arranged in the sample stage 2, and when in use, the electromagnet is powered on to provide magnetic force for the installation and fixation of the magnetic force absorbing member 12.

As a further solution, referring to fig. 5, the substrate 3 is provided with a bar-shaped hole 33, and the bar-shaped hole 33 penetrates through two sides of the substrate 3. The strip-shaped holes 33 are formed, so that the palm can conveniently pass through, the substrate 3 can be conveniently gripped, and the whole clamp can be conveniently carried and installed.

Example 3

Specific parameters of the jig in example 2 are provided.

Specifically, the length of the substrate 3 is 10mm, the width of the substrate 3 is 5mm, and the thickness of the substrate 3 is 0.2mm; the length of the boss 4 is 6mm, the width of the boss 4 is 4mm, and the thickness of the boss 4 is 0.6mm; the length of the sample stage 2 is 10mm, the width of the sample stage 2 is 10mm, and the thickness of the sample stage 2 is 0.2mm.

As a further scheme, the number of the bolt holes 32 and the bolt rods 22 is 4, the bolt holes 32 and the bolt rods 22 are respectively arranged at four corners, the diameters of the bolt holes 32 and the bolt rods 22 are 3mm, the distance from the center of the bolt holes 32 to the center of the second through holes 31 along the length direction of the substrate 3 is 2.5mm, the distance from the center of the bolt holes 32 to the center of the second through holes 31 along the width direction of the substrate 3 is 1.5mm, the diameter of the bolt rods 22 is 3-5 mm, the diameter of the bolt holes 32 is 3-5 mm, and the diameter of the threaded holes 42 is 2mm.

As a further aspect, the diameters of the first through hole 21, the second through hole 31, and the third through hole 41 are 5mm.

Example 4

The method of operation of the present utility model will be described in detail.

The press block body 1 is selected according to the shape of the sample, then the bolt rod 22 of the sample stage 2 is inserted into the bolt hole 32 on the side of the base plate 3 far away from the boss 4, and the set screw is screwed by a screwdriver, and the bolt rod 22 is further fixed by the set screw. Then place assembled anchor clamps boss 4 downwards on the horizontal plane, place the sample that waits to test on sample platform 2, adjust the position of sample for the center of sample and the center coincidence of first through-hole 21, then fix the sample on sample platform 2 through the spacing groove 13 of briquetting body 1, briquetting body 1 adsorbs on soft magnetic paste 23 through magnetic force adsorption piece 12, accomplishes the fixed of sample. The hand is inserted into the bar-shaped hole 33, the whole clamp is pulled, the clamp is connected with a mounting frame of the Fourier infrared spectrometer (refer to FIG. 7), the top view of the mounting frame is I-shaped, a pair of sliding grooves are formed in the inner wall opposite to the opening end of the mounting frame, during mounting, a sample is placed outwards, then the sample table 2 is inserted into the sliding grooves, the base plate 3 is abutted to a plurality of elastic pieces in the middle of the opening, the boss 4 is tightly attached to the middle of the opening, and the position of a product relative to the sample frame can be accurately limited through triple positioning of the boss 4, the base plate 3 and the sample table 2. The first through hole 21, the second through hole 31 and the third through hole 41 are horizontally opposite to and coaxial with the light transmission hole of the mounting frame, so that the infrared light can penetrate through the sample, and the test is realized.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A magnetic compact, comprising:

the magnetic force absorbing device comprises a pressing block body (1), wherein an installation hole (11) is fixedly formed in one end of the pressing block body (1), and a magnetic force absorbing part (12) is installed in the installation hole (11);

the limiting groove (13), the limiting groove (13) is arranged on the briquetting body (1), the limiting groove (13) is located one end of the magnetic force absorbing piece (12), and the limiting groove (13) stretches out of the outer side wall of the briquetting body (1).

2. The magnetic briquette according to claim 1, wherein the briquette body (1) is provided with an avoidance opening (14), and the avoidance opening (14) extends into the limit groove (13) along one end of the briquette body (1) away from the magnetic absorption member (12).

3. A clamp comprising the magnetic compact of any one of claims 1 or 2, further comprising:

the device comprises a substrate (3) and a sample table (2), wherein the sample table (2) is fixedly arranged on one side of the substrate (3), and a plurality of press block bodies (1) are adsorbed on one side, far away from the substrate (3), of the sample table (2) through magnetic force;

a first through hole (21), the first through hole (21) being arranged in the center of the sample stage (2);

and a second through hole (31), wherein the second through hole (31) is arranged in the center of the substrate (3), and the first through hole (21) and the second through hole (31) correspond to each other.

4. A clamp according to claim 3, further comprising:

the boss (4) is fixedly arranged on one side, far away from the sample table (2), of the substrate (3);

and a third through hole (41), wherein the third through hole (41) is arranged at the center of the boss (4), and the third through hole (41) and the second through hole (31) correspond to each other.

5. The clamp according to claim 4, characterized in that the boss (4) is integrally formed with the base plate (3), the sample stage (2) being detachably connected with the base plate (3).

6. The fixture of claim 5, wherein a plurality of bolt holes (32) are uniformly formed in one side, close to each other, of the substrate (3) and the sample stage (2), the bolt holes (32) penetrate through the substrate (3) and then extend into the boss (4), the sample stage (2) is provided with a plurality of bolt rods (22) in one-to-one correspondence with the bolt holes (32), the outer side wall of the boss (4) is provided with a plurality of threaded holes (42) in one-to-one correspondence with the bolt holes (32), the threaded holes (42) are communicated with the bolt holes (32), and set screws are arranged in the threaded holes (42).

7. The clamp of claim 6, wherein the number of the latch bar (22) and the latch hole (32) is four.

8. A fixture according to claim 3, characterized in that the side of the sample stage (2) remote from the substrate (3) is provided with a soft magnetic patch (23).

9. A fixture according to claim 3, characterized in that the base plate (3) is provided with strip-shaped holes (33), which strip-shaped holes (33) extend through both sides of the base plate (3).