CN214335069U - Powder resistivity testing device - Google Patents
Powder resistivity testing device Download PDFInfo
- Publication number
- CN214335069U CN214335069U CN202023014533.5U CN202023014533U CN214335069U CN 214335069 U CN214335069 U CN 214335069U CN 202023014533 U CN202023014533 U CN 202023014533U CN 214335069 U CN214335069 U CN 214335069U
- Authority
- CN
- China
- Prior art keywords
- cylindrical shell
- powder resistivity
- screw rod
- powder
- testing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides a powder resistivity testing arrangement, comprising a base plate, stand and cylindrical shell, two stands are fixed in the both sides of bottom plate, the spout has been seted up on the bottom plate, slidable mounting has the cushion on the spout, the bottom shutoff of cylindrical shell has the lower plate electrode, the inside of cylindrical shell is circular cavity, be fixed with the fixed block on the stand, be connected with the connecting plate between the fixed block on the coexistence post, threaded hole is seted up in the centre of connecting plate, it is connected with the screw rod to pass the screw hole on the connecting plate, the periphery of screw rod is equipped with the screw thread, screw rod and connecting plate threaded connection, the bottom of screw rod is the connector, utility model discloses a voltage drop parameter of powder material in cylindrical shell is along with the highly indefinite and unsettled of powder post, can multiple measurements, final data is through the automatic powder resistivity that obtains of programming control.
Description
Technical Field
The utility model relates to a resistivity test technical field especially relates to a powder resistivity testing arrangement.
Background
The powder resistivity tester is used for fixing and forming the powder with fluidity so as to be convenient for passing constant current on the powder, testing the end pressure drop of the powder, and calculating the resistivity of the powder according to the shape data. The tester has great relation to the difficulty of powder filling and forming and the difficulty and accuracy of control and detection of testing pressure parameters and control and detection of appearance parameters in the compression process, and finally has great influence on the accuracy index of the resistivity parameters of the semiconductor powder. The current testing device can not provide real-time voltage parameters for the resistivity values of powder required to be tested in different compression states, can not provide powder appearance data in time in most products, and can not calculate the resistivity values of the powder comprehensively.
Disclosure of Invention
The utility model provides a solve above-mentioned problem, provide a powder resistivity testing arrangement.
The utility model discloses the technical scheme who takes:
a powder resistivity testing device comprises a base plate, upright posts and a cylindrical shell, wherein the two upright posts are fixed on two sides of the base plate, sliding grooves are formed in the base plate, a cushion block is slidably mounted on the sliding grooves, a lower electrode plate is plugged at the bottom of the cylindrical shell, a circular cavity is formed in the cylindrical shell, fixing blocks are fixed on the upright posts, a connecting plate is connected between the fixing blocks on the two upright posts, a threaded hole is formed in the middle of the connecting plate, a screw rod is screwed in the threaded hole, a connecting head is arranged at the bottom end of the screw rod, the connecting head is rotatably connected with a pushing joint through a connecting sleeve, the bottom end of the pushing joint is connected with an extrusion plug, the extrusion plug is pushed and extruded into the circular cavity of the cylindrical shell, the cylindrical shell is fixed on the cushion block, an upper contact electrode is inserted and connected on the extrusion plug, the upper part of the screw rod is connected with an indicating sleeve through a sliding ring sleeve, and the other end of the indicating sleeve is slidably connected on the upright post on one side of the base plate, the inner side of the side upright post is provided with a scale clinging to the wall surface of the upright post.
The middle part of the lower electrode plate protrudes towards the inner part of the middle cavity of the cylindrical shell.
The diameter of the connector is smaller than that of the screw.
The connecting sleeve member be cask structure, the barrel head of connecting the sleeve member has seted up the through-hole, the top that connects for pushing away connects the cap, the bottom of pushing away the cap is connected and is pushed away the pole, push away to connect the pole and follow the through-hole and wear out downwards, push away to connect the cap and rotate to connect in connecting the sleeve member.
The connector is connected with the connection kit in an interference fit manner.
And a sealing gasket is adhered to the inner side surface of the extrusion plug in the cylindrical shell.
The bottom end of the upper contact electrode penetrates through the bottom surface of the sealing gasket.
The top end of the screw rod is connected with a hand wheel.
The utility model has the advantages that: the utility model discloses a voltage drop parameter of powder material in cylindrical shell is along with the highly indefinite and unfixed of powder post, can measure many times, and final data is through the automatic resistivity that obtains powder material of programming control.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1-upright column; 2-hand wheel; 3-a slip ring sleeve; 4-an indicator sleeve; 5-a scale; 6-screw rod; 7-fixing blocks; 8-connecting plates; 9-a connector; 10-a connection kit; 11-push joint; 12-a squeeze plug; 13-a cylindrical housing; 14-a lower electrode plate; 15-cushion block; 16-a base plate; 17-a chute; 18-a seal gasket; 19-upper contact electrode; 20-threaded hole.
Detailed Description
A powder resistivity testing device comprises a bottom plate 16, upright posts 1 and a cylindrical shell 13, wherein the two upright posts 1 are fixed on two sides of the bottom plate 16, a sliding groove 17 is formed in the bottom plate 16, a cushion block 15 is slidably mounted on the sliding groove 17, a lower electrode plate 14 is plugged at the bottom of the cylindrical shell 13, a circular cavity is formed inside the cylindrical shell 13, a fixed block 7 is fixed on the upright posts 1, a connecting plate 8 is connected between the fixed blocks 7 on the two upright posts 1, a threaded hole 20 is formed in the middle of the connecting plate 8, a screw rod 6 is screwed in the threaded hole 20, the bottom end of the screw rod 6 is a connector 9, the connector 9 is rotatably connected with a push joint 11 through a connecting sleeve 10, the bottom end of the push joint 11 is connected with an extrusion plug 12, the extrusion plug 12 is pushed into the circular cavity of the cylindrical shell 13, the cylindrical shell 13 is fixed on the cushion block 15, an upper contact electrode 19 is inserted on the extrusion plug 12, the upper part of the screw 6 is connected with an indicating sleeve 4 through a sliding ring sleeve 3, the other end of the indicating sleeve 4 is connected on the upright post 1 at one side of the bottom plate 16 in a sliding way, and the inner side of the upright post 1 at the side is provided with a scale 5 closely attached to the wall surface of the upright post 1.
The middle part of the lower electrode plate 14 protrudes into the middle cavity of the cylindrical shell 13.
The diameter of the connector 9 is smaller than that of the screw 6.
The connecting sleeve 10 is of a barrel structure, a through hole is formed in the barrel bottom of the connecting sleeve 10, the top of the pushing joint 11 is a pushing joint cap, the bottom of the pushing joint cap is connected with a pushing joint rod, the pushing joint rod penetrates out of the through hole downwards, and the pushing joint cap is rotatably connected into the connecting sleeve 10.
The connector 9 is connected with the connecting sleeve 10 in an interference fit manner.
A sealing gasket 18 is adhered to the inner side surface of the squeeze plug 12 in the cylindrical housing 13.
The bottom end of the upper contact electrode 19 penetrates the bottom surface of the sealing gasket 18.
The top end of the screw rod 6 is connected with a hand wheel 2.
When the device is used, the cylindrical shell 13 is filled with metal powder until the metal powder is slightly full, then the metal powder is slightly compacted and flattened by a small spoon, the cylindrical shell 13 is fixed on a cushion block 15, the cushion block 15 is pushed to slide on a sliding groove 17, the cushion block 15 slides to be under a screw rod 6, a pushing connector 11 connected with the lower end of the screw rod 6 is connected with an extrusion plug 12, the extrusion plug 12 is over against the powder of the cylindrical shell 13, an upper contact electrode 19 and a lower electrode plate 14 are respectively and electrically connected with a four-probe tester, the screw rod 6 is rotated by rotating a hand wheel 2, the screw rod 6 is in threaded connection with a connecting plate 8, the extrusion plug 12 is pushed downwards by the screw rod 6 to enter the inside of the cylindrical shell 13, the indicating sleeve 4 indicates the height of the powder in the cylindrical shell 13 in the descending process of the screw rod 6, the cross-section area of a circular cavity of the cylindrical shell 13 is certain in the use process, namely the cross-section area of the powder is certain, the extrusion plug 12 extrudes the powder to a certain length, a set current is introduced to the upper contact electrode 19 and the lower electrode plate 14, after the powder is stabilized, the voltage drop between the upper surface and the lower surface of the powder column is obtained through the measurement of external equipment, and finally the value of the resistivity can be calculated through a formula.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (8)
1. The powder resistivity testing device is characterized by comprising a bottom plate (16), upright posts (1) and a cylindrical shell (13), wherein the two upright posts (1) are fixed on two sides of the bottom plate (16), a sliding groove (17) is formed in the bottom plate (16), a cushion block (15) is arranged on the sliding groove (17) in a sliding manner, a lower electrode plate (14) is plugged at the bottom of the cylindrical shell (13), a circular cavity is formed inside the cylindrical shell (13), a fixing block (7) is fixed on each upright post (1), a connecting plate (8) is connected between the fixing blocks (7) on the two upright posts (1), a threaded hole (20) is formed in the middle of the connecting plate (8), a screw rod (6) is screwed in the threaded hole (20), a connector (9) is arranged at the bottom end of the screw rod (6), the connector (9) is rotatably connected with a push joint (11) through a connecting sleeve piece (10), and an extrusion plug (12) is connected at the bottom end of the push joint (11), the extrusion plug (12) is pushed into a circular cavity of the cylindrical shell (13), the cylindrical shell (13) is fixed on a cushion block (15), an upper contact electrode (19) is inserted into the extrusion plug (12), the upper part of the screw rod (6) is connected with an indication sleeve (4) through a sliding ring sleeve (3), the other end of the indication sleeve (4) is connected onto the upright post (1) on one side of the bottom plate (16) in a sliding mode, and a scale (5) is arranged on the inner side of the side upright post (1) and clings to the wall surface of the upright post (1).
2. The powder resistivity test device according to claim 1, wherein the middle portion of the lower electrode plate (14) protrudes into the middle cavity of the cylindrical housing (13).
3. Powder resistivity testing device according to claim 1, characterized in that the diameter of the connecting head (9) is smaller than the diameter of the screw (6).
4. The powder resistivity testing device according to claim 3, wherein the connecting sleeve (10) is of a cylindrical structure, a through hole is formed in the bottom of the connecting sleeve (10), a push cap is arranged at the top of the push joint (11), a push rod is connected to the bottom of the push cap, the push rod penetrates out of the through hole downwards, and the push cap is rotatably connected in the connecting sleeve (10).
5. The powder resistivity testing device according to claim 4, wherein the connector (9) is connected with the connecting sleeve (10) in an interference fit manner.
6. Powder resistivity testing device according to claim 1, characterized in that a sealing gasket (18) is adhered to the inner side of the squeeze plug (12) inside the cylindrical housing (13).
7. The powder resistivity test device according to claim 6, wherein the bottom end of the upper contact electrode (19) penetrates the bottom surface of the sealing pad (18).
8. The powder resistivity testing device according to claim 3, characterized in that a hand wheel (2) is connected to the top end of the screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023014533.5U CN214335069U (en) | 2020-12-15 | 2020-12-15 | Powder resistivity testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023014533.5U CN214335069U (en) | 2020-12-15 | 2020-12-15 | Powder resistivity testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214335069U true CN214335069U (en) | 2021-10-01 |
Family
ID=77900033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023014533.5U Active CN214335069U (en) | 2020-12-15 | 2020-12-15 | Powder resistivity testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214335069U (en) |
-
2020
- 2020-12-15 CN CN202023014533.5U patent/CN214335069U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201754080U (en) | Concentricity detector | |
| CN214335069U (en) | Powder resistivity testing device | |
| CN106324350A (en) | Device for measuring resistance of powder material | |
| CN201548191U (en) | Displacement measurement device for building structure | |
| CN203132947U (en) | Device for testing compaction density of powdered material | |
| CN208952859U (en) | A kind of cushion rubber inner diameter measuring device | |
| CN101319978A (en) | Measurer for fluidity of newly mixed concrete | |
| CN206990329U (en) | A kind of sponge tensile test instrument | |
| CN208889173U (en) | A kind of fluid pressure type torque connection simulator | |
| CN107102214B (en) | Small inductor metal magnet ring inductance measurement tooling with flexibility test needle | |
| CN105486540B (en) | The accurate sampler of dusty material | |
| CN209197707U (en) | Acetabular outer cup depth measurement device | |
| CN208705175U (en) | A kind of detection device for cosmetic packaging bottle production | |
| CN205352293U (en) | Precision resister screw rod measuring device | |
| CN220154395U (en) | Auxiliary device for rapidly measuring moisture of pasture | |
| CN215296103U (en) | Motor bucket inner chamber conical surface detection device | |
| CN215833408U (en) | Portable acidimeter of soil detection usefulness | |
| CN217981412U (en) | Chlorophyll tester with high detection accuracy | |
| CN209559893U (en) | Molding sand up time detection device | |
| CN211953944U (en) | Lever meter-striking mechanism | |
| CN219051382U (en) | Self-compacting crucible | |
| CN217403448U (en) | Multifunctional slope detector | |
| CN116735799A (en) | Auxiliary device for rapidly measuring moisture of pasture | |
| CN211977793U (en) | Measuring tool for measuring plunger assembly clearance | |
| CN219223690U (en) | Building engineering manages waterproof coating thickness detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |