CN217277211U - Automatic resilience type small crucible puncture pressing device - Google Patents
Automatic resilience type small crucible puncture pressing device Download PDFInfo
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- CN217277211U CN217277211U CN202122911757.4U CN202122911757U CN217277211U CN 217277211 U CN217277211 U CN 217277211U CN 202122911757 U CN202122911757 U CN 202122911757U CN 217277211 U CN217277211 U CN 217277211U
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- crucible
- placing seat
- puncturing
- telescopic rod
- crucible cover
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Abstract
The utility model discloses an automatic resilience type small crucible puncturing pressing device, which comprises a base, a fixing frame, a puncturing device, a crucible cover placing seat, a rotating device and a crucible placing seat; the fixed frame, the crucible placing seat and the rotating device are all fixed on the base, the crucible cover placing seat is connected with the rotating device and is fixed above the crucible placing seat through the rotating device, and the puncturing device is positioned above the crucible cover placing seat; the puncturing device comprises a first hydraulic telescopic rod and a puncturing needle, wherein the telescopic end of the first hydraulic telescopic rod is connected with the puncturing needle, and the top of the fixed end of the first hydraulic telescopic rod is connected with the fixing frame. The utility model has simple structure and convenient operation, and can realize the standardization and standardization of the sample preparation process for DSC test; the automatic puncturing of the crucible cover is realized, the consistency of the size of the puncturing hole is ensured, the accuracy and the repeatability of a test result are improved, and particularly, the test on substances which can generate gas in the test process is realized.
Description
Technical Field
The utility model relates to a differential scanning calorimeter test is with system appearance technical field, concretely relates to automatic little crucible thorn hole compression fittings of resilience formula.
Background
Differential Scanning Calorimeter (DSC) test measures the change in energy difference between a sample and a reference over time or temperature at a programmed temperature. Can be used for measuring the melting point, boiling point, glass transition temperature, purity, crystallinity, reaction heat and the like of solid and liquid materials including high molecular materials. In the process of preparing a sample, in order to ensure that the sample is in certain contact with the atmosphere, gas products generated by volatilization can be taken away along with the dynamic atmosphere, and balance of internal and external pressure of a crucible is kept, a prepared sample to be detected is obtained by pressing the crucible after a crucible cover is punctured.
The conventional sample preparation method is as follows:
1) placing the crucible cover on the rubber in an inverted manner, puncturing the crucible cover by using a puncturing needle, and manually taking down the crucible cover from the needle;
2) placing a crucible containing a sample on a press, then placing a crucible cover on the crucible by using tweezers, aligning, and placing the crucible cover into the press to manually press and prepare the sample;
3) and taking out the prepared sample by using tweezers to be detected.
The disadvantages of this sampling method are as follows:
1) the size of each puncture hole can not be ensured to be consistent, the repeatability of a test result is influenced, and particularly, a sample with gas generated in the test process is tested;
2) the crucible cover is manually placed on the crucible, so that the alignment of the crucible cover and the crucible cannot be guaranteed, if the crucible cover and the crucible are not aligned, the crucible cover and the crucible are not completely pressed when a press is used, a sample needs to be prepared again, and the test cost is increased;
3) the crucible cover on the needle needs to be manually taken down when the crucible cover is punctured, so that the sample is easily polluted, and the crucible is not easily clamped after the sample is prepared.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming that prior art exists, provide an automatic little crucible thorn hole compression fittings of resilience formula.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides an automatic little crucible thorn hole compression fittings of resilience formula which characterized in that: comprises a base, a fixed frame, a puncturing device, a crucible cover placing seat, a rotating device and a crucible placing seat; the fixed frame, the crucible placing seat and the rotating device are all fixed on the base, the crucible cover placing seat is connected with the rotating device and is fixed above the crucible placing seat through the rotating device, and the puncturing device is positioned above the crucible cover placing seat; the crucible cover placing seat is characterized in that a first placing groove is formed in the upper end face of the crucible cover placing seat, a plurality of vent holes are uniformly distributed in the side wall of the first placing groove, the outer wall of the crucible cover placing seat is connected with a vacuum tube, and the vent holes are communicated with the vacuum tube; the hole pricking device comprises a first hydraulic telescopic rod and a pricking pin, the telescopic end of the first hydraulic telescopic rod is connected with the pricking pin, the top of the fixed end of the first hydraulic telescopic rod is connected with a fixing frame, and the pricking pin is over against the center of a first placing groove of the crucible cover placing seat.
Further, the method comprises the following steps of; the puncture device further comprises an annular rebound sheet, the annular rebound sheet is located below the puncture needle, the puncture needle is opposite to a central hole of the annular rebound sheet, a first spring is sleeved outside the puncture needle, and the top of the first spring is connected with the fixed end of a first hydraulic telescopic rod, and the bottom of the first spring is connected with the annular rebound sheet.
Further, the method comprises the following steps of; the rotating device comprises two supporting rods, a rotating shaft and a motor, the two supporting rods are respectively located on two sides of the crucible cover placing seat, the supporting rods are fixed on the base, the crucible cover placing seat is fixedly inserted in the middle of the rotating shaft, two ends of the crucible cover placing seat are respectively connected with the two supporting rods in a rotating mode, the motor is fixed on the supporting rods, and a transmission shaft of the motor penetrates through the supporting rods to be connected with the rotating shaft.
Further, the step of; the center of the first placing groove is provided with a jack.
Further, the step of; the crucible placing base is provided with a second hydraulic telescopic rod, the telescopic end of the second hydraulic telescopic rod is connected with the crucible placing base, and the fixed end of the second hydraulic telescopic rod is fixedly connected with the base.
Further, the method comprises the following steps of; the center of the upper end surface of the crucible placing seat is provided with a second placing groove.
Further, the method comprises the following steps of; and a second spring is arranged at the center of the bottom of the second placing groove, so that a prepared crucible sample can be conveniently taken down.
Further, the method comprises the following steps of; the top of the second placing groove is in a step shape.
Further, the method comprises the following steps of; the fixing frame is in an inverted L shape.
The utility model has the advantages that:
1) the utility model has simple structure and convenient operation, and can realize the standardization and standardization of the sample preparation process for DSC test;
2) the automatic puncturing of the crucible cover is realized, the consistency of the size of the puncturing holes is ensured, the accuracy and the repeatability of a test result are improved, and particularly, the test on substances which can generate gas in the test process is realized;
3) the automatic alignment and pressing of the crucible cover and the crucible are realized, the sample can be prevented from being prepared again due to the deviation of the artificial placing position, and the testing cost is reduced;
4) the arrangement of the first spring and the annular rebound sheet in the puncturing device can automatically rebound the crucible cover after puncturing, so that the crucible cover is prevented from moving along with the puncturing needle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the puncture device;
FIG. 3 is a schematic view of a crucible cover placing seat;
FIG. 4 is a schematic view of a crucible holder;
fig. 5 is a schematic view of the usage state of the present invention.
In the figure: 1. a base; 2. a strut; 3. a motor; 4. a rotating shaft; 5. a first hydraulic telescopic rod; 6. a first spring; 7. a needle; 8. a crucible cover placing seat; 9. a vacuum tube; 10. a crucible placing seat; 11. a fixed mount; 12. a circular elastic return sheet; 13. a second placing groove; 14. a second hydraulic telescopic rod; 15. a first placing groove; 16. a vent hole; 17. a jack; 18. a second spring.
Detailed Description
Example (b):
as shown in fig. 1 to 4, an automatic resilient small crucible pricking device comprises a base 1, an inverted L-shaped fixing frame 11, a pricking device, a crucible cover placing seat 8, a rotating device and a crucible placing seat 10. The fixing frame 11 is fixed on the base 1, a second placing groove 13 is formed in the center of the upper end face of the crucible placing seat 10, a second hydraulic telescopic rod 14 is arranged at the bottom of the crucible placing seat 10, and the telescopic end of the second hydraulic telescopic rod 14 is connected with the bottom of the crucible placing seat 10 and the fixed end of the crucible placing seat 1. The crucible cover placing seat 8 is positioned above the crucible placing seat 10, and the puncturing device is positioned above the crucible cover placing seat 8.
The rotating device comprises a supporting rod 2, a rotating shaft 4 and a motor 3, the supporting rod 2 is divided into two parts, the two parts are respectively located on two sides of a crucible cover placing seat 8 and fixed on the base 1, the crucible cover placing seat 8 is fixedly inserted in the middle of the rotating shaft 4, two ends of the crucible cover placing seat 8 are respectively connected with the two supporting rods 2 in a rotating mode, the motor 3 is fixed on the supporting rod 2, and a transmission shaft of the motor 3 penetrates through the supporting rod 2 and the rotating shaft 4 which is fixedly connected with the supporting rod. The crucible cover placing seat is characterized in that a first placing groove 15 is formed in the upper end face of the crucible cover placing seat 8, a jack 17 is arranged in the center of the first placing groove 15, four vent holes 16 are evenly distributed in the side wall of the first placing groove, the outer wall of the crucible cover placing seat 8 is connected with a vacuum tube 9, and the vent holes 16 are communicated with the vacuum tube 9.
The punching device comprises a first hydraulic telescopic rod 5, a puncture needle 7 and an annular return spring piece 12, wherein the telescopic end of the first hydraulic telescopic rod 5 is connected with the puncture needle 7, the top of the fixed end of the first hydraulic telescopic rod 5 is connected with a transverse plate at the top of a fixed frame 11, the annular return spring piece 12 is positioned below the puncture needle 7, the puncture needle 7 is just opposite to a central hole of the annular return spring piece 12 and a jack 17 at the center of a first placing groove 15, a first spring 6 is sleeved outside the puncture needle 17, and the top of the first spring 6 is connected with the fixed end of the first hydraulic telescopic rod 5 and the bottom of the first hydraulic telescopic rod is connected with the annular return spring piece 12.
In this embodiment, the second placing groove 13 is preferably stepped at the top and provided with a second spring 18 at the center of the bottom.
The using method comprises the following steps: as shown in FIG. 5, the crucible cover 19 is placed in the crucible cover placing seat 8 in an inverted manner, the crucible 20 is placed in the crucible placing seat 10, the prepared sample is placed in the crucible 20, the first hydraulic telescopic rod 5 is started to drive the puncture needle 7 to move, the crucible cover 19 is punctured, the puncture needle 7 can be inserted into the insertion hole 17 through the crucible cover 19, the crucible cover 19 moves upwards along with the puncture needle 7 when the puncture needle 7 is recovered, and the crucible cover 19 is rebounded into the crucible cover placing seat 8 by the annular rebounding sheet 12 under the action of the first spring 6 and the annular rebounding sheet 12.
Connecting a vacuum tube 9 with a vacuum machine, starting the vacuum machine, forming negative pressure in a first placing groove 15 of a crucible cover placing seat 8 through vacuumizing, adsorbing a crucible cover 19 in the crucible cover placing seat 8, driving the crucible cover placing seat 8 to rotate 180 degrees through a rotating shaft 4 by a starting motor 3, starting a second hydraulic telescopic rod 14, driving a crucible placing seat 10 to move upwards, and pressing a crucible 20 and the crucible cover 19; then the vacuum machine is closed, the telescopic end of the second hydraulic telescopic rod 14 is retracted, the crucible placing seat 10 moves downwards, the crucible 20 pressed with the crucible cover 19 falls back into the crucible placing seat 10, the crucible 20 is higher than the upper end face of the crucible placing seat 10 under the resilience action of the second spring 18, and the crucible 20 is clamped by tweezers to be measured.
The above-described embodiments are intended to be illustrative, and not restrictive, and other modifications and variations may be made without departing from the spirit and scope of the invention as defined in the appended claims.
In the description of the present invention, it should be understood that the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Claims (9)
1. The utility model provides an automatic little crucible thorn hole compression fittings of resilience formula which characterized in that: comprises a base, a fixed frame, a puncturing device, a crucible cover placing seat, a rotating device and a crucible placing seat; the fixed frame, the crucible placing seat and the rotating device are all fixed on the base, the crucible cover placing seat is connected with the rotating device and is fixed above the crucible placing seat through the rotating device, and the puncturing device is positioned above the crucible cover placing seat; the crucible cover placing seat is characterized in that a first placing groove is formed in the upper end face of the crucible cover placing seat, a plurality of vent holes are uniformly distributed in the side wall of the first placing groove, the outer wall of the crucible cover placing seat is connected with a vacuum tube, and the vent holes are communicated with the vacuum tube; the hole pricking device comprises a first hydraulic telescopic rod and a pricking pin, the telescopic end of the first hydraulic telescopic rod is connected with the pricking pin, the top of the fixed end of the first hydraulic telescopic rod is connected with a fixing frame, and the pricking pin is over against the center of a first placing groove of the crucible cover placing seat.
2. The automatic rebound small crucible puncturing and pressing device as set forth in claim 1, wherein: the puncture device further comprises an annular rebound sheet, the annular rebound sheet is located below the puncture needle, the puncture needle is opposite to a central hole of the annular rebound sheet, a first spring is sleeved outside the puncture needle, and the top of the first spring is connected with the fixed end of a first hydraulic telescopic rod, and the bottom of the first spring is connected with the annular rebound sheet.
3. The automatic resilient small crucible pricking and pressing device of claim 1, wherein: the rotating device comprises supporting rods, a rotating shaft and a motor, the two supporting rods are respectively located on two sides of the crucible cover placing seat, the supporting rods are fixed on the base, the crucible cover placing seat is fixedly inserted in the middle of the rotating shaft, two ends of the crucible cover placing seat are respectively connected with the two supporting rods in a rotating mode, the motor is fixed on the supporting rods, and a transmission shaft of the motor penetrates through the supporting rods to be connected with the rotating shaft.
4. The automatic resilient small crucible pricking and pressing device of claim 1, wherein: the center of the first placing groove is provided with a jack.
5. The automatic resilient small crucible pricking and pressing device of claim 1, wherein: the crucible placing base is provided with a second hydraulic telescopic rod, the telescopic end of the second hydraulic telescopic rod is connected with the crucible placing base, and the fixed end of the second hydraulic telescopic rod is fixedly connected with the base.
6. The automatic resilient small crucible pricking and pressing device of claim 1, wherein: the center of the upper end surface of the crucible placing seat is provided with a second placing groove.
7. The automatic resilient small crucible pricking and pressing device of claim 6, wherein: and a second spring is arranged at the center of the bottom of the second placing groove.
8. The automatic resilient small crucible puncturing and pressing device according to claim 6, wherein: the top of the second placing groove is in a step shape.
9. The automatic rebound small crucible puncturing and pressing device as set forth in claim 1, wherein: the fixing frame is in an inverted L shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122911757.4U CN217277211U (en) | 2021-11-25 | 2021-11-25 | Automatic resilience type small crucible puncture pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122911757.4U CN217277211U (en) | 2021-11-25 | 2021-11-25 | Automatic resilience type small crucible puncture pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217277211U true CN217277211U (en) | 2022-08-23 |
Family
ID=82882480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122911757.4U Active CN217277211U (en) | 2021-11-25 | 2021-11-25 | Automatic resilience type small crucible puncture pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217277211U (en) |
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2021
- 2021-11-25 CN CN202122911757.4U patent/CN217277211U/en active Active
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