Vacuum adsorption fixing device for plate-shaped sample

Abstract

The utility model provides a plate-shaped sample vacuum adsorption fixing device, which relates to the technical field of sample processing, and comprises a base, a cavity is arranged in the base, one side of the base is open, the other side of the base is provided with a connecting pipe, and the connecting pipe is used for being connected with a negative pressure generating part; the bearing plate is arranged on the open side of the base and connected with the cavity wall of the cavity in a sealed mode, and the bearing plate is provided with a plurality of first through holes communicating with the cavity; the flexible adsorption plate is arranged on the side, away from the base, of the bearing plate, and a plurality of second through holes connected with the first through holes are formed in the flexible adsorption plate; the sealing part is annular, the sealing part is arranged on the side, away from the bearing plate, of the flexible adsorption plate, and the inner circumference of the sealing part is used for making contact with the outer circumference of the plate-shaped sample; the problem that in the prior art, a thin-plate-shaped sample is difficult to fix through clamping equipment, so that large-face grinding and polishing operation is inconvenient is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sample processing, and more specifically, relates to a vacuum adsorption fixing device for plate-shaped samples. Background Art

[0002] In the prior art, before some metal components are detected, they need to be made into slices, and then chemical composition inspection and metallographic inspection are carried out by grinding and polishing methods. However, the thickness of some samples is not more than 1 mm. At the same time, in order to ensure the accuracy of the detection, the cleanliness requirements of the sample surface are relatively high, and grinding and polishing need to be carried out by a grinding and polishing machine. The clamping devices in the prior art cannot effectively fix the above-mentioned plate-shaped samples to facilitate grinding and polishing of their large surfaces. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a vacuum adsorption fixing device for plate-shaped samples to solve the problem in the prior art that it is difficult to fix thin plate-shaped samples by clamping devices, resulting in inconvenient grinding and polishing operations on their large surfaces.

[0004] To achieve the above purpose, the utility model provides a vacuum adsorption fixing device for plate-shaped samples, including:

[0005] A base, with a cavity inside. One side of the base is open, and a connecting pipe is provided on the other side of the base for connecting a negative pressure generating component;

[0006] A bearing plate, which is arranged on the open side of the base and is hermetically connected to the cavity wall of the cavity. The bearing plate is provided with a plurality of first through holes communicating with the cavity;

[0007] A flexible adsorption plate, which is arranged on the side of the bearing plate away from the base. The flexible adsorption plate is provided with a plurality of second through holes connected to the first through holes;

[0008] A sealing component, which is annular. The sealing component is arranged on the side of the flexible adsorption plate away from the bearing plate, and the inner circumference of the sealing component is used to contact the outer circumference of the plate-shaped sample.

[0009] Optionally, the base is in a funnel shape with the side close to the bearing plate being larger than the other side.

[0010] Optionally, a connecting ring is provided on the outer circumference of the side of the base close to the bearing plate, and the connecting ring is connected to the bearing plate.

[0011] Optionally, an annular mounting groove is provided on the connecting ring, a sealing ring is provided in the mounting groove, an annular protruding portion is provided on one side of the bearing plate close to the connecting ring, and the protruding portion cooperates with the mounting groove and compresses the sealing ring.

[0012] Optionally, the bearing plate is connected to the connecting ring by a threaded fastener disposed outside the sealing ring.

[0013] Optionally, the material of the flexible adsorption plate is silica gel.

[0014] Optionally, the flexible adsorption plate is bonded to the bearing plate.

[0015] Optionally, the sealing member is bonded to the flexible adsorption plate.

[0016] Optionally, the connecting pipe is connected to the negative pressure generating member through a support pipe, and the support pipe is detachably connected to the connecting pipe.

[0017] Optionally, an adsorption groove is provided on one side of the flexible adsorption plate away from the bearing plate, the adsorption groove communicates with the second through hole, and a plurality of the adsorption grooves are connected around each of the second through holes.

[0018] The present utility model provides a plate-shaped specimen vacuum adsorption fixing device, and its beneficial effects are as follows: The plate-shaped specimen vacuum adsorption fixing device utilizes the cavity inside the base to form an adsorption cavity, makes its internal form a negative pressure environment through a negative pressure generating member, and can realize the adsorption and fixation of the plate-shaped specimen on the flexible adsorption plate by means of the mutually communicated first through hole and second through hole, and a sealing member is provided around the plate-shaped specimen. Through the contact between the inner circumference of the sealing member and the outer circumference of the plate-shaped specimen, the adsorption effect on the plate-shaped specimen can be better guaranteed, and the stability of the adsorption and fixation of the plate-shaped specimen is improved.

[0019] Other features and advantages of the present utility model will be described in detail in the following specific implementation part. Description of the Drawings

[0020] By describing the exemplary embodiments of the present utility model in more detail in conjunction with the drawings, the above-mentioned and other objects, features, and advantages of the present utility model will become more obvious. Among them, in the exemplary embodiments of the present utility model, the same reference numerals generally represent the same components.

[0021] Figure 1 Shows a schematic structural diagram of a plate-shaped specimen vacuum adsorption fixing device according to an embodiment of the present utility model.

[0022] Figure 2 Shows Figure 1 The top view structural diagram of

[0023] Figure 3 shows the Figure 1 enlarged schematic view at position A of

[0024] Description of reference numerals:

[0025] 1. Base; 2. Cavity; 3. Connecting pipe; 4. Negative pressure generating component; 5. Carrier plate; 6. First through hole; 7. Flexible adsorption plate; 8. Second through hole; 9. Sealing component; 10. Connecting ring; 11. Installation groove; 12. Sealing ring; 13. Protrusion; 14. Support pipe; 15. Adsorption groove; 16. Positioning protrusion; 17. Positioning groove. Specific embodiments

[0026] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0027] As Figures 1 to 3 shown, the present invention provides a plate-shaped specimen vacuum adsorption and fixing device, including:

[0028] A base 1, with a cavity 2 provided inside the base 1. One side of the base 1 is open, and a connecting pipe 3 is provided on the other side of the base 1. The connecting pipe 3 is used to connect a negative pressure generating component 4;

[0029] A carrier plate 5, which is arranged on the open side of the base 1 and is hermetically connected to the cavity wall of the cavity 2. The carrier plate 5 is provided with a plurality of first through holes 6 communicating with the cavity 2;

[0030] A flexible adsorption plate 7, which is arranged on the side of the carrier plate 5 away from the base 1. The flexible adsorption plate 7 is provided with a plurality of second through holes 8 connected to the first through holes 6;

[0031] A sealing component 9, which is annular. The sealing component 9 is arranged on the side of the flexible adsorption plate 7 away from the carrier plate 5. The inner circumference of the sealing component 9 is used to contact the outer circumference of the plate-shaped specimen.

[0032] Specifically, to solve the problem in the prior art that it is difficult to fix a thin plate-shaped specimen through a clamping device, resulting in inconvenient large-surface grinding and polishing operations; the vacuum adsorption and fixation device for plate-shaped specimens provided by the present utility model utilizes the cavity 2 inside the base 1 to form an adsorption cavity, makes a negative pressure environment inside through the negative pressure generating component 4, and can realize the adsorption and fixation of the plate-shaped specimen on the flexible adsorption plate 7 by means of the mutually connected first through hole 6 and second through hole 8. And a sealing component 9 is arranged around the plate-shaped specimen. Through the contact between the inner circumference of the sealing component 9 and the outer circumference of the plate-shaped specimen, the adsorption effect on the plate-shaped specimen can be better guaranteed, and the stability of the adsorption and fixation of the plate-shaped specimen can be improved.

[0033] Furthermore, the setting of the sealing component 9 can form a seal at the part where the plate-shaped specimen contacts the flexible adsorption plate 7 on the outer circumference of the plate-shaped specimen. Combined with the negative pressure adsorption effect, the adsorption stability of the plate-shaped specimen can be improved. The sealing component 9 can be a consumable component. When the adsorbed plate-shaped specimen is taken to a grinding and polishing machine for grinding and polishing, the sealing component 9 can be ground and polished together with the large surface of the plate-shaped specimen, and the sealing component 9 can be replaced when necessary.

[0034] Optionally, the base 1 is in a funnel shape with one side closer to the bearing plate 5 being larger than the other side.

[0035] Specifically, the base 1 is in an overall gradually converging conical structure, with a connecting pipe 3 arranged at its bottom and a flexible adsorption plate 7 at the top.

[0036] Optionally, a connecting ring 10 is arranged on the outer circumference of the base 1 close to the bearing plate 5, and the connecting ring 10 is connected to the bearing plate 5.

[0037] Specifically, the base 1 is connected to the bearing plate 5 through the connecting ring 10, which is convenient for the assembly of the bearing plate 5.

[0038] Optionally, an annular installation groove 11 is arranged on the connecting ring 10, a sealing ring 12 is arranged in the installation groove 11, and an annular protrusion 13 is arranged on the side of the bearing plate 5 close to the connecting ring 10. The protrusion 13 is matched with the installation groove 11 and compresses the sealing ring 12.

[0039] Specifically, when the bearing plate 5 is installed on the connecting ring 10, the protrusion 13 on the bearing plate 5 is embedded in the installation groove 11, compressing the sealing ring 12 in the installation groove 11 to ensure the sealed connection between the bearing plate 5 and the base 1.

[0040] Optionally, the bearing plate 5 is connected to the connecting ring 10 through a threaded fastener arranged outside the sealing ring 12.

[0041] Specifically, connection holes are arranged on the outer circles of both the bearing plate 5 and the connecting ring 10, and the threaded fastener fastens the bearing plate 5 to the connecting ring 10 through the connection holes.

[0042] Optionally, the material of the flexible adsorption plate 7 is silica gel.

[0043] Specifically, the flexible adsorption plate 7 made of silica gel is not only soft and has a sealing property, but also has good anti-slip performance, which is beneficial to the fixation of the plate-shaped specimen.

[0044] Optionally, the flexible adsorption plate 7 is adhesively bonded to the bearing plate 5.

[0045] Specifically, the second through holes 8 on the flexible adsorption plate 7 and the first through holes 6 on the bearing plate 5 are arranged in one-to-one correspondence, and the remaining parts can be glued, so as to realize the sealed connection between the flexible adsorption plate 7 and the bearing plate 5 through bonding.

[0046] In this embodiment, a positioning protrusion 16 is provided on one side of the flexible adsorption plate 7 close to the bearing plate 5, and a positioning groove 17 is provided on one side of the bearing plate 5 close to the flexible adsorption plate 7. The two cooperate with each other, which can facilitate the installation and positioning of the flexible adsorption plate 7.

[0047] Optionally, the sealing member 9 is adhesively bonded to the flexible adsorption plate 7.

[0048] Specifically, the sealing member 9 and the flexible adsorption member are bonded. After the sealing member 9 is worn and polished, the sealing member 9 can be peeled off and a new sealing member 9 can be replaced.

[0049] Optionally, the connecting pipe 3 is connected to the negative pressure generating member 4 through the support pipe 14, and the support pipe 14 is detachably connected to the connecting pipe 3.

[0050] Specifically, the connection between the support pipe 14 and the connecting pipe 3 can adopt threaded connection, clamp connection or snap connection, etc. The support pipe 14 can support and fix the plate-shaped specimen vacuum adsorption fixing device on the grinding and polishing equipment, or it can be convenient for the operator to hold and use.

[0051] In this embodiment, the negative pressure generating device is connected to the support pipe 14 through a hose.

[0052] Optionally, an adsorption groove 15 is provided on one side of the flexible adsorption plate 7 away from the bearing plate 5. The adsorption groove 15 is communicated with the second through hole 8, and a plurality of adsorption grooves 15 are connected around each second through hole 8.

[0053] Specifically, the setting of the adsorption groove 15 can expand the coverage area of the second through hole 8 relative to the plate-shaped specimen, increase the adsorption area, and thus improve the adsorption effect on the plate-shaped specimen.

[0054] In this embodiment, a plurality of adsorption grooves 15 arranged radially are provided around each second through hole 8, and the adsorption grooves 15 around different second through holes 8 can be communicated with each other or not.

[0055] The embodiments of the present utility model have been described above. The above description is exemplary and not exhaustive, and is also not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A vacuum adsorption fixing device for plate-shaped samples, characterized in that: include: A base, wherein a cavity is provided inside the base, one side of the base is open, and a connecting pipe is provided on the other side of the base, wherein the connecting pipe is used to connect a negative pressure generating component; A carrying plate, the carrying plate is arranged on the open side of the base and is sealed and connected to the cavity wall of the cavity, and the carrying plate is provided with a plurality of first through holes communicating with the cavity; A flexible adsorption plate, the flexible adsorption plate is arranged on a side of the carrying plate away from the base, and the flexible adsorption plate is provided with a plurality of second through holes connected to the first through holes; The sealing component is annular and is arranged on a side of the flexible adsorption plate away from the supporting plate. The inner periphery of the sealing component is used to contact the outer periphery of the plate-shaped sample.

2. The plate-shaped sample vacuum adsorption fixing device according to claim 1 is characterized in that: The base is in a funnel shape, one side of which is close to the supporting plate is larger than the other side.

3. The plate-shaped sample vacuum adsorption fixing device according to claim 1, characterized in that: A connecting ring is arranged on the outer periphery of one side of the base close to the supporting plate, and the connecting ring is connected to the supporting plate.

4. The plate-shaped sample vacuum adsorption fixing device according to claim 3 is characterized in that: The connecting ring is provided with an annular mounting groove, a sealing ring is provided in the mounting groove, and an annular protrusion is provided on one side of the bearing plate close to the connecting ring, the protrusion cooperates with the mounting groove and compresses the sealing ring.

5. The plate-shaped sample vacuum adsorption fixing device according to claim 4, characterized in that: The bearing plate is connected to the connecting ring via a threaded fastener arranged on the outside of the sealing ring.

6. The plate-shaped sample vacuum adsorption fixing device according to claim 1, characterized in that: The material of the flexible adsorption plate is silica gel.

7. The plate-shaped sample vacuum adsorption fixing device according to claim 1, characterized in that: The flexible adsorption plate is bonded to the supporting plate.

8. The plate-shaped sample vacuum adsorption fixing device according to claim 1, characterized in that: The sealing component is bonded to the flexible adsorption plate.

9. The plate-shaped sample vacuum adsorption fixing device according to claim 1, characterized in that: The connecting tube is connected to the negative pressure generating component via a supporting tube, and the supporting tube is detachably connected to the connecting tube.

10. The plate-shaped sample vacuum adsorption fixing device according to claim 1, characterized in that: An adsorption groove is arranged on one side of the flexible adsorption plate away from the supporting plate. The adsorption groove is communicated with the second through hole, and a plurality of the adsorption grooves are connected around each of the second through holes.

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