Multi-station filling value tester measuring cylinder sliding sealing structure and measuring cylinder

Abstract

The utility model provides a multi-station filling value tester measuring cylinder sliding sealing structure and a measuring cylinder. The multi-station filling value tester measuring cylinder sliding sealing structure comprises a slewing mechanism, a measuring cylinder and a supporting platform. The rotary mechanism performs rotary motion based on the center of the supporting platform, and the at least one measuring cylinder is mounted on the periphery of the rotary mechanism and performs circular motion along with the rotary mechanism; the supporting platform is a smooth plane, and a through discharging port is formed in the position, corresponding to the movement track of the measuring cylinder, of the supporting platform. The whole measuring cylinder is in a cylinder shape with the head and the bottom communicated, the bottom end of the measuring cylinder is matched with the supporting platform in a sliding and sealing mode, and a through discharging channel is formed at the discharging port. The sliding sealing structure of the measuring cylinder of the multi-station filling value tester has the advantages that sliding sealing can be achieved, material leakage is avoided when multiple stations are switched, and discharging is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of tobacco physical property measurement. Specifically, it relates to a sliding seal structure and a measuring cylinder of a multi-station filling value measuring instrument for tobacco. Background Art

[0002] In the tobacco industry, the filling value is usually detected by a filling value measuring instrument. The specific process is to place a certain amount of materials to be measured, such as cut tobacco, expanded cut tobacco, sheeted tobacco, cut stem, expanded cut stem, and finished blended cut tobacco, in a specific container, and measure the compression amount after being subjected to a specific pressure.

[0003] Relevant standards include YC / T 152-2001 (Determination of Filling Value of Cigarette Cut Tobacco), YC / T 163-2003 (Determination of Filling Value of Expanded Cut Stem), JJG (Tobacco) 25-2010 (Verification Regulation of Cut Tobacco Filling Value Measuring Instrument), JJG (Tobacco) 26-2010 (Verification Regulation of Expanded Cut Stem Filling Value Measuring Instrument), etc.

[0004] However, the current filling value measurement cannot achieve automation. The main reason is that during the application of the core functional component, the measuring cylinder, not only positioning is required, but also the processes of putting in and taking out materials. Although using a manipulator to replace manual operations can also achieve the automation goal, the cost of substituting a manipulator is too high and is not practical for filling value detection.

[0005] In order to solve the above problems, people have been seeking an ideal technical solution. Summary of the Utility Model

[0006] The purpose of the utility model is to overcome the deficiencies of the prior art, and thus provide a sliding seal structure and a measuring cylinder of a multi-station filling value measuring instrument for tobacco, which can achieve sliding seal, do not leak materials during switching between multiple stations, and do not affect discharging.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is: a sliding seal structure of a measuring cylinder of a multi-station filling value measuring instrument, including a rotary mechanism, a measuring cylinder, and a support platform;

[0008] The rotary mechanism makes a rotary motion around the center of the support platform, and at least one measuring cylinder is installed on the outer periphery of the rotary mechanism and makes a circular motion along with the rotary mechanism;

[0009] The support platform is a smooth plane, and a through discharge port is provided on the support platform corresponding to the movement track of the measuring cylinder;

[0010] The measuring cylinder is integrally in a shape of a cylinder with a through head and bottom. The bottom end of the measuring cylinder is in sliding seal cooperation with the support platform, and a through discharge channel is formed at the discharge port.

[0011] As described above, the measuring cylinder includes a cylinder body and a base. The base is sleeved at the bottom of the cylinder body, and the bottom surface of the base is in sliding and sealing fit with the support platform.

[0012] As described above, an annular flange is provided on the outer periphery of the lower part of the cylinder body, and the base is fixed on the flange.

[0013] As described above, the driving end of the rotary mechanism is a driving plate. An arc-shaped card slot is provided on the outer periphery of the driving plate corresponding to the measuring cylinder. A spinning mechanism is provided in the slot opening area of the arc-shaped card slot corresponding to the flange. The lower end of the spinning mechanism abuts against the upper surface of the flange.

[0014] As described above, the spinning mechanisms are symmetrically arranged on both sides of the measuring cylinder.

[0015] As described above, the number of the measuring cylinders is at least two, and the measuring cylinders are equally angularly distributed around the rotary mechanism.

[0016] As described above, the base is made of a flexible material.

[0017] As described above, the base is made of rubber.

[0018] As described above, the spinning mechanism is a pre-tightening bolt or an elastic bolt.

[0019] As described above, the diameter of the base is larger than the diameter of the flange.

[0020] A measuring cylinder includes a cylinder body and a base. The cylinder body is a cylindrical structure with a through top and bottom. The base is an annular structure sleeved at the bottom end of the cylinder body. The lower surface of the base is at the same height as or lower than the bottom edge of the cylinder body, and the lower surface of the base is a smooth plane.

[0021] As described above, an annular flange is provided on the outer periphery of the lower part of the cylinder body, and the base is fixed on the flange.

[0022] As described above, the base is made of a flexible wear-resistant sealing material.

[0023] The utility model has substantial features and progress compared with the prior art. Specifically, the utility model reforms the traditional measuring cylinder, removes the bottom wall of the measuring cylinder to become a through cylindrical structure, then sets a sealing base at the lower end of the measuring cylinder, designs the support platform as a smooth platform at the same time, and uses the rotary mechanism to drive the measuring cylinder to make a circular motion on the support platform, so as to realize the transfer of the measuring cylinder at different positions and ensure the internal seal of the measuring cylinder, and the material to be measured will not leak.

[0024] This mechanism enables the design of several workstations on the movement trajectory of the measuring cylinder, such as feeding, detecting, and discharging workstations. Materials are poured into the top open end of the measuring cylinder at the feeding station, pressure is applied to the material to be measured inside the measuring cylinder at the detecting station, and materials are discharged through the discharge port on the support platform at the discharging station, realizing multi-station automated operation. Brief Description of the Drawings

[0025] Figure 1 It is a schematic structural view of the sliding seal structure of the measuring cylinder of the multi-station filling value measuring instrument in the present invention.

[0026] Figure 2 It is a top view of the sliding seal structure of the measuring cylinder of the multi-station filling value measuring instrument in the present invention.

[0027] Figure 3 It is a partial detail view of the sliding seal structure of the measuring cylinder of the multi-station filling value measuring instrument in the present invention.

[0028] Figure 4 It is a bottom view of the sliding seal structure of the measuring cylinder of the multi-station filling value measuring instrument in the present invention.

[0029] Figure 5 It is a schematic structural view of the measuring cylinder in the present invention.

[0030] In the figure: 1. Rotary mechanism; 2. Measuring cylinder; 3. Support platform;

[0031] 11. Driving plate; 12. Arc-shaped card slot; 13. Spinning mechanism; 21. Cylinder body; 22. Base; 23. Flange; 31. Discharge port. Detailed Description of the Preferred Embodiments

[0032] The technical solutions of the present invention will be further described in detail below through specific embodiments.

[0033] Embodiment 1

[0034] As Figures 1 - 4 shown, a sliding seal structure of a measuring cylinder of a multi-station filling value measuring instrument includes a rotary mechanism 1, a measuring cylinder 2, and a support platform 3.

[0035] The rotary mechanism 1 makes a rotary motion based on the center of the support platform 3, and at least one measuring cylinder 2 is installed on the outer periphery of the rotary mechanism 1 and makes a circular motion along with the rotary mechanism 1.

[0036] The support platform 3 is a smooth plane, and a through discharge port 31 is provided on the support platform 3 corresponding to the movement trajectory of the measuring cylinder 2.

[0037] The measuring cylinder 2 is integrally cylindrical with a through head and bottom. The bottom end of the measuring cylinder 2 is slidably and sealingly fitted with the support platform 3, and a through discharge channel is formed at the discharge port 31.

[0038] Principle of operation description:

[0039] Due to the automated detection requirements of the filling value measuring instrument, it is necessary to design the execution actions of automatic feeding, automatic detection, and automatic discharging. However, it is difficult to perform the above actions at a single working station. Therefore, in this application, multiple operating stations are set in the circumferential direction, and the measuring cylinder 2 can be cycled and switched between multiple stations to achieve continuous and automatic detection.

[0040] Specifically, the rotary mechanism 1 can adopt conventional rotary components such as a rotary drive motor to drive the measuring cylinder 2 to perform a circular motion. The support platform 3 is used to support the measuring cylinder 2 and is slidably and sealingly fitted with the bottom end of the measuring cylinder 2 to ensure that no material leakage occurs during the transfer of the measuring cylinder 2.

[0041] On the circular motion path of the measuring cylinder 2, at least one feeding station is set. A certain amount of the material to be measured is poured into the measuring cylinder 2 from the top of the measuring cylinder 2 through external feeding equipment such as a hopper, conveyor belt, manipulator and other common tools.

[0042] Then the rotary mechanism drives the measuring cylinder 2 to rotate a certain angle and moves to the detection station. At the detection station, a pressing component and a measuring component of the filling value measuring instrument are set. This structure is the same as the traditional structure, and only needs to perform a downward pressing action and detect the downward pressing distance of the pressing mechanism. The pressing component provides a set pressure, and the filling value of the material to be measured is reflected by detecting the downward pressing distance. After the detection is completed, the pressing component is lifted upward to leave the measuring cylinder.

[0043] Then the rotary mechanism 1 continues to drive the measuring cylinder 2 to rotate a certain angle and reaches the discharging station, that is, it is aligned with the discharge port 31. At this time, the bottom of the measuring cylinder 2 loses support, and the material to be measured falls from the discharge port 31 under the action of its own weight. A container for recycling can be set below to collect the material to be measured.

[0044] To ensure complete discharging, a vertically moving pushing and cleaning brush can also be set above the discharging station to push the material to be measured in the measuring cylinder 2 out while cleaning the inner wall of the measuring cylinder.

[0045] Thus, a process of one round of feeding, testing, and discharging is completed. With the continuous movement of the rotary mechanism 1, the second round of detection can be performed.

[0046] In this embodiment, the number of measuring cylinders 2 can be multiple, and the detection work is carried out in sequence to improve the detection efficiency.

[0047] In this embodiment, the measuring cylinder 2 includes a cylinder body 21 and a base 22. The base 22 is sleeved on the bottom of the cylinder body 21. The bottom surface of the base 22 is in sliding and sealing cooperation with the support platform 3. The material of the base 22 can be a hard metal with high machining accuracy or a flexible wear-resistant sealing material, such as common materials that can be used as sealing rings, like rubber and polyethylene.

[0048] In other embodiments, the cylinder body 21 and the base 22 can also be designed as an integral structure.

[0049] In this embodiment, an annular flange 23 is provided on the outer periphery of the lower part of the cylinder body 21. The base 22 is fixed on the flange 23. The diameter of the base 22 is larger than that of the flange 23. The flange 23 and the cylinder body 21 can be assembled, welded or integrally formed. One of the purposes is to fix the base 22, and the other purpose is to adapt to the spinning mechanism to maintain the stability of the cooperation between the measuring cylinder 2 and the support platform 3.

[0050] In this embodiment, the driving end of the rotating mechanism 1 is a driving plate 11. An arc-shaped clamping groove 12 is provided on the outer periphery of the driving plate 11 corresponding to the measuring cylinder. A spinning mechanism 13 is provided in the groove opening area of the arc-shaped clamping groove 12 corresponding to the flange. The lower end of the spinning mechanism 13 abuts against the upper surface of the flange 23. The spinning mechanisms in this embodiment are symmetrically arranged on both sides of the measuring cylinder 2. The spinning mechanism is a pre-tightening bolt or an elastic pin bolt.

[0051] In this embodiment, the number of the measuring cylinders is multiple, and each measuring cylinder is evenly distributed around the rotating mechanism 1 at equal angles.

[0052] Embodiment 2

[0053] As Figure 5 shown, a measuring cylinder 2 includes a cylinder body 21 and a base 22. The cylinder body 21 is a cylindrical structure with a through top and bottom. The base 22 is an annular structure sleeved at the bottom end of the cylinder body. The lower surface of the base 22 is at the same height as or lower than the bottom edge of the cylinder body 21. The lower surface of the base 22 is a smooth plane. An annular flange 23 is provided on the outer periphery of the lower part of the cylinder body 21. The base 22 is fixed on the flange 23. The base 22 is made of a flexible wear-resistant sealing material, such as rubber.

[0054] This kind of measuring cylinder 2 is used to cooperate with a support platform with a smooth bottom surface to achieve bottom sealing, and can move horizontally so as to switch positions between multiple workstations.

[0055] The movement trajectory can be either a circular motion or a linear motion.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: it is still possible to modify the specific implementation manners of the present invention or perform equivalent replacements for some technical features; without departing from the spirit of the technical solutions of the present invention, they should all be covered within the scope of the technical solutions claimed by the present invention.

Claims

1. A sliding sealing structure for a measuring tube of a multi-station filling value measuring instrument, characterized in that: It includes a slewing mechanism, a measuring cylinder and a supporting platform; The rotary mechanism performs rotary motion based on the center of the supporting platform, and at least one measuring cylinder is installed on the outer periphery of the rotary mechanism and performs circular motion with the rotary mechanism; The support platform is a smooth plane, and a through discharge port is arranged on the support platform corresponding to the motion track of the measuring cylinder; The measuring cylinder is in the shape of a cylinder with a through head and a through bottom. The bottom end of the measuring cylinder is in sliding sealing cooperation with the supporting platform, and a through discharge channel is formed at the discharge port.

2. The sliding sealing structure of the measuring cylinder of the multi-station filling value measuring instrument according to claim 1 is characterized in that: The measuring cylinder comprises a cylinder body and a base, wherein the base is sleeved on the bottom of the cylinder body, and the bottom surface of the base is slidably sealed with the supporting platform.

3. The sliding sealing structure of the measuring cylinder of the multi-station filling value measuring instrument according to claim 2 is characterized in that: An annular flange is arranged on the outer periphery of the lower part of the cylinder, and the base is fixed on the flange.

4. The sliding sealing structure of the measuring cylinder of the multi-station filling value measuring instrument according to claim 3 is characterized in that: The driving end of the rotary mechanism is a driving plate, an arc-shaped groove is arranged on the outer circumference of the driving plate corresponding to the measuring tube, a spinning mechanism is arranged in the notch area of ​​the arc-shaped groove corresponding to the flange, and the lower end of the spinning mechanism abuts against the upper surface of the flange.

5. The sliding sealing structure of the measuring cylinder of the multi-station filling value measuring instrument according to claim 4 is characterized in that: The spinning mechanisms are symmetrically arranged on both sides of the measuring cylinder.

6. The sliding sealing structure of the measuring cylinder of the multi-station filling value measuring instrument according to any one of claims 1 to 5, characterized in that: The number of the measuring cylinders is at least two, and the measuring cylinders are distributed at equal angles around the rotating mechanism.

7. The sliding sealing structure of the measuring cylinder of the multi-station filling value measuring instrument according to any one of claims 2 to 5, characterized in that: The base is made of flexible material.

8. A measuring tube, characterized in that: It includes a cylinder and a base. The cylinder is a cylindrical structure with the top and the bottom connected. The base is an annular structure sleeved on the bottom end of the cylinder. The lower surface of the base is at the same height as or lower than the bottom edge of the cylinder. The lower surface of the base is a smooth plane.

9. The measuring tube according to claim 8, characterized in that: An annular flange is arranged on the outer periphery of the lower part of the cylinder, and the base is fixed on the flange.

10. The measuring cylinder according to claim 8 or 9, characterized in that: The base is made of a flexible, wear-resistant sealing material.

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