Cigarette water-based adhesive initial adhesion detection device with adhesive dispensing amount calibration function

Abstract

The invention provides a cigarette water-based adhesive initial adhesion detection device with an adhesive dispensing amount calibration function. The cigarette water-based adhesive initial adhesion detection device comprises a movable carrying table, an adhesive dripping mechanism, a pressure head mechanism and a calibration mechanism, the movable carrying table comprises a translation mechanism, a base mounted on the translation mechanism, a movable carrying table mounted on the base and a negative pressure mechanism for providing negative pressure for the upper surface of the movable carrying table; the calibration mechanism comprises a lifting assembly mounted on the base and a weighing assembly arranged at the top end of the lifting assembly, and the top end of the weighing assembly serves as a weighing platform for lifting the movable carrying table; the glue dripping mechanism is arranged above the translation track of the movable carrying table and is used for dripping glue to a sample on the surface of the movable carrying table; and the pressure head mechanism is arranged above the translation track of the movable carrying table and is used for pressing and separating the cigarette paper side of the other sample from the glue-dripped sample. The device has the advantage that the dispensing amount can be calibrated in real time.

Description

Technical Field

[0001] The present invention relates to the technical field of tobacco industry detection, and specifically, to a detection device for the initial adhesion of aqueous tobacco glue with glue amount calibration. Background Art

[0002] The bonding ability of aqueous tobacco glue to packaging materials is divided into initial adhesion and holding adhesion. The initial adhesion is an important index to measure the adhesion between two surfaces and has an important impact on the machine adaptability of aqueous tobacco glue.

[0003] Currently, the experiment of the initial adhesion of aqueous glue is usually completed manually. Manual operation has many uncertainties, and when studying the components of aqueous glue, batch experiments are required, which puts great pressure on manual operation.

[0004] Therefore, there is a strong expectation for the automation transformation of the initial adhesion experiment of aqueous glue.

[0005] Among them, in the automated equipment for the initial adhesion experiment of aqueous glue, the automation of the glue dropping mechanism is an important link. In this experiment, the amount of glue dropped each time needs to be strictly controlled within a stable range to ensure the accuracy of the subsequent initial adhesion judgment.

[0006] Currently, although the glue dropping tools developed by manufacturers have high precision, the aqueous glue will coagulate, and problems such as local blockage will occur during long-term use. Therefore, calibration needs to be performed before each detection to ensure the accuracy of the detection experiment.

[0007] In order to solve the above existing problems, people have been seeking an ideal technical solution. Summary of the Invention

[0008] The purpose of the present invention is to overcome the deficiencies of the prior art, and thus provide a detection device for the initial adhesion of aqueous tobacco glue with glue amount calibration that can calibrate the glue amount in real time.

[0009] In order to achieve the above purpose, the technical solution adopted by the present invention is: a detection device for the initial adhesion of aqueous tobacco glue with glue amount calibration, including a moving stage, a glue dropping mechanism, a pressing head mechanism, and a calibration mechanism; The moving stage includes a translation mechanism, a base installed on the translation mechanism, a movable stage installed on the base, and a negative pressure mechanism that provides negative pressure for the upper surface of the movable stage; The calibration mechanism includes a lifting component installed on the base and a weighing component arranged at the top of the lifting component. The top of the weighing component serves as a weighing platform for supporting the movable stage; The glue dropping mechanism is arranged above the translation trajectory of the moving stage and is used to drop glue onto the specimen on the surface of the movable stage; The indenter mechanism is arranged above the translation trajectory of the moving stage. A tension and compression sensor is integrated in the indenter mechanism, which is used to press and separate the cigarette paper side of another specimen from the specimen after dispensing glue, and detect the change of tension and compression force.

[0010] Based on the above, a vertical support column is arranged on the base opposite to the moving stage, and positioning holes are arranged oppositely on the moving stage.

[0011] Based on the above, a negative pressure channel is built in the moving stage. Negative pressure holes are arranged in the area of the upper surface of the moving stage for placing specimens, and a negative pressure connection hole is arranged on the lower end surface of the moving stage; The negative pressure mechanism includes a column with negative pressure holes arranged on the base. The top of the column is a flexible adsorption surface corresponding to the negative pressure connection hole of the moving stage, so as to adsorb the lower end surface of the moving stage when the moving stage falls back to its position, and conduct the negative pressure air path.

[0012] Based on the above, the weighing component is a force sensor with a flat stress surface.

[0013] Based on the above, the dispensing mechanism includes a dispensing lifting component, a dispenser, a hose and a dispensing syringe. The dispensing lifting component is used to drive the dispensing syringe to lift and lower. The dispenser is connected to the dispensing syringe through the hose, and the dispensing syringe is used for dispensing glue.

[0014] Based on the above, the indenter mechanism includes an indenter lifting component and an indenter with a flat lower pressing surface. The indenter lifting component is used to drive the indenter to lift and lower.

[0015] Based on the above, a negative pressure channel is arranged in the indenter, and negative pressure holes are arranged on the lower pressing surface of the indenter.

[0016] Based on the above, it further includes a waste bin, a rotating arm and a recovery suction nozzle. The recovery suction nozzle is installed at the distal end of the rotating arm. The rotating arm drives the recovery suction nozzle to transfer between the moving stage and the waste bin, and is used to remove unqualified dispensed specimens.

[0017] The present invention has outstanding substantive features and remarkable progress compared with the prior art. Specifically, the present invention has the following advantages: Before and after each dispensing, the calibration mechanism jacks up the moving stage to measure the weight difference before and after dispensing, and judges whether the current dispensing amount is within the set range, so as to determine whether the dispensing process is qualified, thereby ensuring the accuracy of the subsequent detection process.

[0018] After adding this calibration mechanism, the dispensing amount of each detection is controlled within an accurate range, unqualified dispensed specimens are excluded, and dispensing failures can be detected in time, preventing waste and losses during the experiment process. Description of the Drawings

[0019] Figure 1 It is one of the structural schematic diagrams of the water-based glue initial adhesion detection device with glue dispensing amount calibration in the present invention.

[0020] Figure 2 It is another structural schematic diagram of the water-based glue initial adhesion detection device with glue dispensing amount calibration in the present invention.

[0021] Figure 3 It is the structural schematic diagram of the calibration mechanism and the moving stage in the present invention.

[0022] Figure 4 It is one of the detailed schematic diagrams of the calibration mechanism and the moving stage in the present invention.

[0023] Figure 5 It is another detailed schematic diagram of the calibration mechanism and the moving stage in the present invention.

[0024] In the figure: 100. Moving stage; 101. Translation mechanism; 102. Base; 103. Movable stage; 104. Negative pressure mechanism; 105. Negative pressure holes; 106. Support columns; 107. Negative pressure connection holes; 200. Glue dropping mechanism; 201. Glue dispensing lifting assembly; 202. Glue dispenser; 203. Hose; 204. Glue dispensing syringe; 300. Press head mechanism; 301. Press head lifting assembly; 302. Press head; 400. Calibration mechanism; 401. Lifting assembly; 402. Weighing assembly; 500. Waste bin; 501. Rotating arm; 502. Recycling suction nozzle. Specific embodiments

[0025] Next, through specific embodiments, the technical solutions of the present invention will be further described in detail.

[0026] As Figures 1 - 5 shown, a water-based glue initial adhesion detection device with glue dispensing amount calibration includes a moving stage 100, a glue dropping mechanism 200, a press head mechanism 300, and a calibration mechanism 400.

[0027] The moving stage 100 includes a translation mechanism 101, a base 102 installed on the translation mechanism, a movable stage 103 installed on the base 102, and a negative pressure mechanism 104 that provides negative pressure to the upper surface of the movable stage 103.

[0028] In this embodiment, the translation mechanism 101 can select products such as a linear slide table, a linear motor, or an electric lead screw. Its main function is to drive the entire base 102 to translate and switch positions between the glue dispensing station and the initial adhesion detection station.

[0029] The movable stage 103 is a flat stage with a negative pressure channel built therein. The area on the upper surface of the movable stage 103 for placing the specimen is provided with negative pressure holes 105, and the lower end surface of the movable stage is provided with negative pressure connection holes 107.

[0030] To ensure the linear stability and accuracy of the movable stage 103, vertical support columns 106 are provided on the base 102 opposite to the movable stage 103, and positioning holes are provided oppositely on the movable stage 103 to ensure the support stability of the movable stage 103.

[0031] The calibration mechanism 400 includes a lifting component 401 installed on the base 102 and a weighing component 402 arranged at the top of the lifting component 401. The top of the weighing component 402 serves as a weighing platform for supporting the movable stage 103. In this embodiment, the weighing platform is designed as a force sensor with a flat stress surface, and its upper surface is large enough relative to the movable stage 103 to prevent the movable stage 103 from shifting during the lifting process.

[0032] The negative pressure mechanism 104 includes a column with negative pressure holes provided on the base. The top of the column is a flexible adsorption surface corresponding to the negative pressure connection hole of the movable stage, so as to adsorb the lower end surface of the movable stage when the movable stage falls back to its position, and conduct the negative pressure air path.

[0033] Specifically, during the execution process, when calibrating the dispensing weight, the negative pressure is disconnected, and there is no negative pressure suction between the negative pressure mechanism 104 and the movable stage 103, allowing the movable stage 103 to rise normally and separate from the negative pressure mechanism 104. After falling back to its position, the bottom surface of the movable stage 103 contacts the negative pressure mechanism 104, the negative pressure is reconnected, and the negative pressure valve at the rear end is opened, so that the negative pressure path in the movable stage 103 is conducted.

[0034] The dispensing mechanism 200 is arranged above the translation trajectory of the movable stage and is used for dispensing glue onto the specimen on the surface of the movable stage.

[0035] In this embodiment, the dispensing mechanism 200 includes a dispensing lifting component 201, a dispenser 202, a hose 203, and a dispensing syringe 204. The dispensing lifting component 201 is used to drive the dispensing syringe 204 to lift and lower. The dispenser 202 is connected to the dispensing syringe 204 through the hose 203, and the dispensing syringe 204 is used for dispensing glue.

[0036] The dispenser 202, the hose 203, and the dispensing syringe 204 are a set of equipment, usually purchased parts, with a certain dispensing accuracy. Due to various interference factors such as the glue characteristics and the working environment and the high cost of eliminating the interference, as well as the certain instability of the dispenser itself, the aforementioned calibration mechanism 400 is added to ensure the dispensing quality.

[0037] The indenter mechanism is arranged above the translation trajectory of the moving stage. A tensile and compressive force sensor is integrated in the indenter mechanism, which is used to press and separate the cigarette paper side of another specimen from the specimen after dropping glue, and detect the change of tensile and compressive force.

[0038] In this embodiment, the indenter mechanism 300 includes an indenter lifting assembly 301 and an indenter 302 with a flat lower pressing surface. The indenter lifting assembly 301 is used to drive the indenter 302 to lift and lower. There are two structural forms of the indenter 302. One is a pure flat surface structure, and the specimen can be fixed by pasting the specimen on the lower surface of the indenter 302.

[0039] In another way, a negative pressure channel is arranged in the indenter 302, and negative pressure holes are arranged on the lower pressing surface of the indenter 302, and the specimen is fixed by negative pressure adsorption.

[0040] To exclude inaccurate specimens after calibration, a waste bin 500, a rotating arm 501 and a recovery suction nozzle 502 are also designed. The recovery suction nozzle 502 is installed at the distal end of the rotating arm 501. The rotating arm 501 drives the recovery suction nozzle 502 to transfer between the movable stage 103 and the waste bin 500, and is used to remove unqualified specimens with dropped glue.

[0041] Principle description: The specimen 600 to be tested is a plate-shaped material with cigarette paper pasted on one side, and the other side can be a flat surface or a glue surface. Usually, one side of the stage is a flat surface, and one side of the indenter can be either a flat surface or a glue surface.

[0042] First, place the specimen 600 to be tested at the set position of the movable stage 103, where there are many negative pressure holes densely distributed for adsorbing the specimen 600 to be tested. In the initial state, the negative pressure is zeroed; fix another specimen to be tested on the lower surface of the indenter 302, either by gluing or by negative pressure adsorption.

[0043] The feeding method can be manual placement or with the help of a manipulator.

[0044] After placement, the moving stage 100 is translated to directly below the dropping glue mechanism 200. The calibration mechanism 400 lifts the movable stage 103 by a certain height through the lifting assembly 401 and the weighing assembly 402 to completely separate from the support column 106, obtain the initial weight, and then drop back to the original position.

[0045] During this process, since the negative pressure is zeroed, the process of lifting the movable stage 103 is not interfered by the negative pressure.

[0046] Then the dropping glue mechanism 200 moves down and drops glue on the surface of the specimen.

[0047] Calibration starts after the resin dripping is completed. The lifting assembly 401 lifts the movable stage 103 to a certain height through the weighing assembly 402, completely separates it from the support column 106, weighs again to obtain the resin dripping weight, and then drops back to its original position.

[0048] Subtract the initial weight from the resin dripping weight to obtain the glue weight of the current resin dripping. If it is within the set range, move the stage 100 horizontally to below the pressing head mechanism 300 to conduct the initial adhesion force measurement experiment.

[0049] If it is outside the set range, it is determined that the resin dripping is unqualified. Move the stage 100 horizontally for a certain distance, and the rotating arm 501 and the recovery suction nozzle 502 transfer the sample on the current movable stage to the waste bin 500 for the next resin dripping operation.

[0050] If unqualified samples continuously appear, the staff checks the entire dispensing machine equipment to find the reason.

[0051] The process of the initial adhesion force measurement is as follows: The negative pressure mechanism 104 starts negative pressure, and the sample on the movable stage 103 is adsorbed and fixed. The pressing head mechanism 300 presses down to paste the cigarette paper ends of the two samples together. During this period, various motion parameters are recorded. After the set pasting time, the pressing head mechanism 300 moves up to separate the two samples. During this period, the force during separation is recorded through the tension and compression sensor, and the maximum value of the force is the initial adhesion force.

[0052] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; 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: still can modify the specific implementation manners of the present invention or perform equivalent replacement of 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 detection device for the initial adhesion force of water-based glue for cigarettes with glue volume calibration, characterized in that: It includes a moving stage, a glue-dropping mechanism, a pressing head mechanism and a calibration mechanism; The moving stage includes a translation mechanism, a base installed on the translation mechanism, a movable stage installed on the base, and a negative pressure mechanism for providing negative pressure to the upper surface of the movable stage; The calibration mechanism includes a lifting component installed on the base and a weighing component arranged at the top of the lifting component. The top of the weighing component serves as a weighing platform for supporting the movable stage; The glue-dropping mechanism is arranged above the translation track of the moving stage and is used for dropping glue onto the specimen on the surface of the movable stage; The pressing head mechanism is arranged above the translation track of the moving stage. A tensile and compressive force sensor is integrated in the pressing head mechanism, which is used to press and separate the cigarette paper side of another specimen from the specimen after glue-dropping and detect the change of tensile and compressive force; 2. The water-based glue initial adhesion detection device for cigarettes with glue application amount calibration according to claim 1, characterized in that: Vertical support columns are arranged on the base opposite to the movable stage, and positioning holes are arranged oppositely on the movable stage; 3. The water-based glue initial adhesion detection device with glue application amount calibration according to claim 1 or 2, characterized in that: A negative pressure channel is built in the movable stage. Negative pressure holes are arranged in the area of the upper surface of the movable stage for placing specimens, and a negative pressure connection hole is arranged on the lower end surface of the movable stage; The negative pressure mechanism includes a column with a negative pressure hole arranged on the base. The top of the column is a flexible adsorption surface corresponding to the negative pressure connection hole of the movable stage, so as to adsorb the lower end surface of the movable stage when the movable stage falls back to its position and conduct the negative pressure air path; 4. The water-based glue initial adhesion detection device with glue amount calibration according to claim 3, characterized in that: The weighing component is a force sensor with a flat stress surface; 5. The water-based glue initial adhesion detection device with glue application amount calibration according to claim 4, characterized in that: The glue-dropping mechanism includes a glue-dropping lifting component, a glue dispenser, a hose and a glue-dropping syringe. The glue-dropping lifting component is used to drive the glue-dropping syringe to lift and lower. The glue dispenser is connected to the glue-dropping syringe through the hose, and the glue-dropping syringe is used for dropping glue; 6. The initial adhesion force detection device for water-based cigarette glue with glue volume calibration according to claim 5, characterized in that: The pressing head mechanism includes a pressing head lifting component and a pressing head with a flat lower pressing surface. The pressing head lifting component is used to drive the pressing head to lift and lower; 7. The water-based glue initial adhesion detection device for cigarettes with glue application amount calibration according to claim 6, characterized in that: A negative pressure channel is arranged in the pressing head, and negative pressure holes are arranged on the lower pressing surface of the pressing head; 8. The water-based glue initial adhesion force detection device with glue application amount calibration according to claim 7, characterized in that: It also includes a waste bin, a rotating arm and a recovery suction nozzle. The recovery suction nozzle is installed at the distal end of the rotating arm. The rotating arm drives the recovery suction nozzle to transfer between the movable stage and the waste bin, and is used to remove unqualified glue-dropped specimens;

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