CN109357970B - Outflow cup type viscometer - Google Patents
Outflow cup type viscometer Download PDFInfo
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- CN109357970B CN109357970B CN201811165945.3A CN201811165945A CN109357970B CN 109357970 B CN109357970 B CN 109357970B CN 201811165945 A CN201811165945 A CN 201811165945A CN 109357970 B CN109357970 B CN 109357970B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
- G01N11/06—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture by timing the outflow of a known quantity
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Abstract
The invention relates to an outflow cup type viscometer which comprises a funnel support with adjustable height, wherein a base, a temperature controller, a pipette and an inner tube are arranged on the base, a vertical rod of the funnel support is arranged on the base, and a placing groove is arranged on the base; a temperature control device is arranged on a horizontal rod of the funnel support; the inner tube is fixed inside the pipette; the inner pipe comprises a pipe part and a funnel part arranged below the pipe part, and an anti-skid groove is arranged on the outer wall of the contact position of the funnel part and the pipe part; an anti-slip ring is arranged between the inner tube and the pipette; the section of the anti-skid ring is in a special shape and comprises an anti-skid part and an embedding part; the embedding part is hidden and arranged on the inner wall of the pipette, and the embedding part is clamped in the anti-skidding groove. The invention has novel design, and can ensure the temperature to be consistent when the fireproof coating is measured due to the arrangement of the heater and the temperature measuring device, reduce the influence of the temperature on the viscosity when the fireproof coating is measured, ensure the stability of the measuring cup by the bracket and avoid the measurement error caused by shaking.
Description
Technical Field
The present invention relates to an outflow cup viscometer.
Background
Among the many instruments for measuring viscosity, the most economical, practical and convenient to operate is the outflow cup of the outflow viscometer one by one. The design principle of the outflow cup is to modify and amplify on the basis of the capillary, and the types of the outflow cup are various in various countries, such as American Ford cup, German DIN cup, British BS cup, China Tu 21 cup, Tu 24 cup and the like. The flow cup viscometer generates a flow by the gravity of a sample itself, and usually, the flow cup viscometer is expressed in seconds by the time when a certain amount of the sample flows out of a viscosity cup at a certain temperature.
The flow-out viscometer utilizes the gravity of a sample to generate a flow, and usually represents the time taken for a certain amount of the sample to flow out of a viscosity cup at a certain temperature in seconds. In the measurement, the temperature is an important factor influencing the viscosity of the sample, so the viscosity measurement must be carried out in a constant temperature chamber, but in the measurement of the existing viscometer, the constant temperature environment in the measurement process cannot be ensured, and the error of the measurement result is increased. In addition, all paint viscosity measuring instruments have no fixing device for the charging basket or the charging cup during measurement; therefore, when in actual measurement, the working difficulty of a tester is increased, the operation is inconvenient, and the test efficiency is reduced.
Disclosure of Invention
In order to solve the above-mentioned problems of the prior art, the present invention provides an outflow cup viscometer which can improve the above-mentioned disadvantages.
The invention relates to an outflow cup type viscometer which comprises a funnel support with adjustable height, a base, a temperature controller, a pipette and an inner tube, wherein the funnel support is arranged on the base; the vertical rod of the funnel support is arranged on a base, a placing groove is concavely arranged on the base, an depending rod is arranged in the placing groove, a protective pad is arranged on one side of the depending rod, a metal stabilizing block is arranged on the bottom surface of the depending rod, and the depending rod is close to the edge of the metal stabilizing block; an asbestos net pad is arranged in the placing groove, and a layer of flexible resin fiber pad is arranged below the asbestos net pad; the asbestos gauze pad is in a disc shape and is provided with a plurality of round hollow-out areas; a temperature control device is arranged on a horizontal rod of the funnel support and comprises a temperature controller and a heater; the inner tube is fixed inside the pipette; the inner pipe comprises a pipe part and a funnel part arranged below the pipe part, and an anti-skid groove is arranged on the outer wall of the contact position of the funnel part and the pipe part; the thickness of the inner wall of the pipe part is gradually increased from top to bottom; a flow guide strip-shaped groove is formed in one third of the lower end of the inner wall of the funnel cone; an anti-slip ring is arranged between the inner tube and the pipette; the section of the anti-skid ring is in a special shape and comprises an anti-skid part and an embedding part; the embedded part is hidden and arranged on the inner wall of the pipette, the embedded part is clamped in the anti-skidding groove, and the embedded part is provided with an arc convex surface; the arc convex surface is matched with the groove surface of the anti-skid groove; the outer wall of the pipette is provided with an annular overflow groove.
Further, a heating wire is arranged in the pipette, and the heating wire is designed in a net shape; the heating wire is connected with the temperature controller.
Further, the outer wall of the pipette tube is provided with scales.
Furthermore, the vertical rod and the horizontal rod of the funnel support are vertically intersected; a clamping sliding groove is arranged on the horizontal rod, the groove wall of the clamping sliding groove is inclined, the groove surface of the sliding groove is in a convergent structure design, and a lubricating layer is arranged in the sliding groove; prismatic sliding strips are arranged in the sliding grooves, and the horizontal rods are connected with the vertical rods in a sliding mode through the sliding strips; a connecting rod is welded between the sliding strip and the vertical rod; and an adjusting bolt is arranged at the connecting position of the vertical rod and the horizontal rod.
Further, an anti-rust layer is arranged on the surface of the vertical rod.
Further, the vertical rod has a hollow area therein.
Furthermore, the water conservancy diversion bar groove sets up along leaking the conical surface of pyramis inner wall equidistant.
The invention has novel design, and can ensure the temperature to be consistent when the fireproof coating is measured due to the arrangement of the heater and the temperature measuring device, reduce the influence of the temperature on the viscosity when the fireproof coating is measured, ensure the stability of the measuring cup by the bracket and avoid the measurement error caused by shaking. The standing groove of sunken setting on the base with rely on the pole to be used for fixed storage bucket or material cup, avoid empting of storage bucket or material cup.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the inner tube structure.
Fig. 3 is a schematic view of the anti-slip ring.
FIG. 4 is a cross-sectional view taken along line A-A' of FIG. 3.
Fig. 5 is a schematic view of a heater wire structure.
Fig. 6 is a schematic view of the asbestos mat structure.
FIG. 7 is a view showing the connection between a horizontal bar and a vertical bar.
Fig. 8 is a schematic block diagram of temperature control.
Fig. 9 is a schematic view of a leaning rod structure.
The figure is as follows: the device comprises a vertical rod 1, a horizontal rod 2, an adjusting bolt 21, a base 3, a placement groove 31, a temperature controller 4, an overflow groove 5, an inner pipe 6, a pipette 7, a heating wire 8, an antiskid ring 9, an antiskid part 91, an embedded part 92, an arc convex surface 93, an antiskid groove 10, a pipe part 11, a cone part 12, a gradual change inner wall 13, a hollow area 14, a sliding strip 15, a connecting rod 16, a sliding groove 17, a lubricating layer 18, an antirust layer 19, an asbestos gauze pad 20, a flow guide strip-shaped groove 25, a leaning rod 22, a protection pad 23 and a metal stabilizing block 24.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 7, an outflow cup viscometer includes a height-adjustable funnel holder, a base 3, a temperature controller 4, a pipette 7 and an inner tube 6, wherein a vertical rod 1 of the funnel holder is disposed on the base 3, a placement groove is concavely disposed on the base 3, a rest rod is disposed in the placement groove, and a protection pad 23 is disposed on one side of the rest rod, as shown in fig. 9; a metal stabilizing block 24 is arranged on the bottom surface of the depending rod, and the depending rod is close to the edge of the metal stabilizing block; the material barrel or the material cup can be conveniently attached by the aid of the rod, and meanwhile, the positioning function can be achieved, an asbestos mesh pad is arranged in the placing groove, and a layer of flexible resin fiber pad is arranged below the asbestos mesh pad; as shown in fig. 6, the asbestos mat has a disc shape with a plurality of hollow-out areas of circular shape; set up temperature control device on funnel support's the horizontal pole 2, as shown in fig. 8, temperature control device includes temperature controller 4 and heater, wherein include temperature sensor and the control power who is connected with temperature sensor on the temperature controller, control power is connected with the heater, still including the display screen that can supply user operation and show information, supply the amplifier circuit of complicated normal work and the main control chip that temperature sensor connects respectively after enlargiing voltage and electric current, wherein the display screen is connected with main control chip, amplifier circuit electricity is connected in main control chip's output. The amplifying circuit consists of a triode and a high-power relay which are connected in series.
The temperature sensor is used for measuring the real-time temperature of the pipette, transmitting the temperature information to the main control chip 3 in time, displaying the temperature information on the display screen, and amplifying the voltage and the current through the amplifying circuit 5, so that the load is controlled to work normally.
The purpose of the amplifying circuit is to amplify the voltage output from the main control chip, so that the load can work normally.
As shown in fig. 7, the inner tube 6 is fixed inside the pipette 7; the inner pipe 6 comprises a pipe part 11 and a leakage cone part 12 arranged below the pipe part 11, and the outer wall of the contact position of the leakage cone part 12 and the pipe part 11 is provided with an anti-skid groove 10; the thickness of the inner wall of the pipe part 11 is gradually increased from top to bottom; one third of the lower end of the inner wall of the funnel cone is provided with a flow guide strip-shaped groove 25, wherein the flow guide strip-shaped groove is arranged at equal intervals along the conical surface of the inner wall of the funnel cone. An anti-slip ring 9 is arranged between the inner tube 6 and the pipette 7; the section of the antiskid ring 9 is special-shaped and comprises an antiskid part 91 and an embedding part 92; the embedded part 92 is hidden and arranged on the inner wall of the pipette, the embedded part 92 is clamped in the anti-skid groove 10, and the embedded part 92 is provided with an arc convex surface 93; the arc convex surface 93 is matched with the groove surface of the anti-skid groove; the outer wall of the pipette 7 is provided with an annular overflow groove 5.
For the convenience of observation, scales are arranged on the outer wall of the pipette 7.
The vertical rod 1 and the horizontal rod 2 of the funnel support are vertically intersected; a clamping sliding groove 17 is arranged on the horizontal rod 2, the groove wall of the clamping sliding groove 17 is inclined, the groove surface of the sliding groove 17 is in a convergent structure design, and a lubricating layer 18 which can be lubricating oil or a graphite coating is arranged in the sliding groove 17; prismatic slide bars 15 are arranged in the slide grooves 17, and the horizontal rod 2 is connected with the vertical rod 1 in a sliding mode through the slide bars 15; a connecting rod 16 is welded between the slide bar 15 and the vertical rod 1; an adjusting bolt 21 is provided at the connecting position of the vertical rod 1 and the horizontal rod 2. Through the cooperation of slider and spout, the horizontal pole can reciprocate along the vertical pole.
In order to increase the antirust capacity of the vertical rod, an antirust layer 19 is arranged on the surface of the vertical rod 1, the antirust layer is a metal oxide coating, and a protective sleeve can be further arranged for further enhancing the antirust capacity.
In order to save consumables, the vertical shaft 1 has a hollow zone 14 inside it.
Owing to set up heater and temperature measuring device, temperature unanimous when can guarantee to receive the measurement of test fire retardant coating, the temperature can be ensured to the influence of viscosity when reducing the measurement, and the stability of pipette can be ensured to the bracing piece, avoids rocking the error that causes.
The heating module comprises a starting switch, a mobile power supply and a micro heater, the heating end of the micro heater is connected with the heat preservation wire, the micro heater is used for heating through a built-in heating rod, and the heat preservation wire can be started through the heating end.
As shown in figure 8, during the use, open starting switch, through portable power source to micro heater heating, guarantee through the heat preservation silk that each place of pipette is the intensification, this kind of homothermal environment can avoid the coating to be surveyed the liquid and be heated stably, more is favorable to detecting. The method comprises the steps of enabling a pipette to penetrate through a funnel frame, placing an outflow cup on the funnel frame by using foam at the upper end of the pipette, sealing a liquid outlet of a pipette gun by using a hand, injecting a sample (without bubbles) from the upper end of the pipette, loosening the hand to enable the sample to automatically flow out, measuring the volume by using scales on the inner wall of the pipette, and measuring the time (S) consumed by flowing out of a certain amount of the sample, namely the viscosity of the sample.
Claims (7)
1. An outflow cup viscometer, characterized in that: comprises a funnel support with adjustable height, a base, a temperature controller, a pipette and an inner tube; the vertical rod of the funnel support is arranged on a base, a placing groove is concavely arranged on the base, an depending rod is arranged in the placing groove, a protective pad is arranged on one side of the depending rod, a metal stabilizing block is arranged on the bottom surface of the depending rod, and the depending rod is close to the edge of the metal stabilizing block; an asbestos net pad is arranged in the placing groove, and a layer of flexible resin fiber pad is arranged below the asbestos net pad; the asbestos gauze pad is in a disc shape and is provided with a plurality of round hollow-out areas; a temperature control device is arranged on a horizontal rod of the funnel support and comprises a temperature controller and a heater; the inner tube is fixed inside the pipette; the inner pipe comprises a pipe part and a funnel part arranged below the pipe part, and an anti-skid groove is arranged on the outer wall of the contact position of the funnel part and the pipe part; the thickness of the inner wall of the pipe part is gradually increased from top to bottom; a flow guide strip-shaped groove is formed in one third of the lower end of the inner wall of the funnel cone; an anti-slip ring is arranged between the inner tube and the pipette; the section of the anti-skid ring is in a special shape and comprises an anti-skid part and an embedding part; the embedded part is hidden and arranged on the inner wall of the pipette, the embedded part is clamped in the anti-skidding groove, and the embedded part is provided with an arc convex surface; the arc convex surface is matched with the groove surface of the anti-skid groove; the outer wall of the pipette is provided with an annular overflow groove.
2. An outflow cup viscometer of claim 1 in which: a heating wire is arranged in the pipette and is designed in a net shape; the heating wire is connected with the temperature controller.
3. An outflow cup viscometer according to claim 1 or 2, wherein: the outer wall of the pipette tube is provided with scales.
4. An outflow cup viscometer of claim 1 in which: the vertical rod and the horizontal rod of the funnel support are vertically intersected; a clamping sliding groove is arranged on the horizontal rod, the groove wall of the clamping sliding groove is inclined, the groove surface of the sliding groove is in a convergent structure design, and a lubricating layer is arranged in the sliding groove; prismatic sliding strips are arranged in the sliding grooves, and the horizontal rods are connected with the vertical rods in a sliding mode through the sliding strips; a connecting rod is welded between the sliding strip and the vertical rod; and an adjusting bolt is arranged at the connecting position of the vertical rod and the horizontal rod.
5. An outflow cup viscometer of claim 4 in which: and an anti-rust layer is arranged on the surface of the vertical rod.
6. An outflow cup viscometer of claim 4 in which: the vertical rod has a hollow region therein.
7. An outflow cup viscometer of claim 1 in which: the flow guide strip-shaped grooves are arranged at equal intervals along the conical surface of the inner wall of the leakage cone part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165945.3A CN109357970B (en) | 2018-10-08 | 2018-10-08 | Outflow cup type viscometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165945.3A CN109357970B (en) | 2018-10-08 | 2018-10-08 | Outflow cup type viscometer |
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| Publication Number | Publication Date |
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| CN109357970A CN109357970A (en) | 2019-02-19 |
| CN109357970B true CN109357970B (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811165945.3A Active CN109357970B (en) | 2018-10-08 | 2018-10-08 | Outflow cup type viscometer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110346245A (en) * | 2019-06-21 | 2019-10-18 | 超威电源有限公司 | A kind of device and method detecting alloy flowability |
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| CN109357970A (en) | 2019-02-19 |
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