Original package single-component silicone adhesive extrudability testing device

Abstract

The utility model discloses an original package single-component silicone adhesive extrudability testing device, which relates to the field of material extrusion and comprises a base, an adhesive material extrusion device, an adhesive material cutting device and a weighing device are mounted on the base, and the adhesive material extrusion device comprises a main body frame, an adhesive tube fixing device and a pushing device. The main body frame is mounted on the base; the weighing device comprises a material receiving disc and an analytical balance, the analytical balance is mounted on the base below the rubber tube fixing device, and the material receiving disc is placed on the analytical balance. The device is simple in structure and convenient to use, has no human intervention in the extrusion process of the original packaging rubber tube, can ensure the perpendicularity of the original packaging rubber tube, and is more accurate in test data.

Description

Technical Field

[0001] The utility model relates to the field of material extrusion, in particular to a device for testing the extrudability of original packaged single-component silicone adhesive. Background Art

[0002] One-component silicone adhesive is a fine, uniform paste that solidifies into a tough rubbery material upon contact with air vapor. During application, it should exhibit non-sag and easy extrusion. Extrudability is a key performance indicator for silicone adhesive application. The original packaging single-component test method, according to GB / T 13477.4, uses a pneumatic extrusion gun at 300 kPa under a regulated air source to extrude the sample from the original packaging through a 6 mm diameter plastic or metal nozzle. The measurement time is recorded with a stopwatch for 30 seconds, and the mass of the extruded sample is then weighed on a balance. While this method ensures stable air source operation, the actual operation requires the tester to hold the pneumatic extrusion gun, making it difficult to maintain the verticality of the hose. This can lead to significant fluctuations in the sample extrusion rate due to varying hose tilt angles. Furthermore, at the end of the test, the rubber material is manually cut off at the end of the hose and the test time is manually timed with a stopwatch, which can also affect the test results. Most steps in the testing process are manual operations, which not only wastes labor costs but also results in large experimental errors, affecting the efficiency of the test and the accuracy of the results. Utility Model Content

[0003] The purpose of the utility model is to solve the problems existing in the above-mentioned prior art and to provide a testing device for the extrudability of original packaged single-component silicone adhesive which saves labor and has high testing accuracy.

[0004] To achieve the above purpose, the technical solution of the utility model is as follows:

[0005] A device for testing the extrudability of original packaged single-component silicone adhesive, comprising a base, characterized in that a rubber extrusion device, a rubber cutting device and a weighing device are installed on the base, the rubber extrusion device comprises a main frame, a hose fixing device and a pushing device, the main frame is installed on the base, the hose fixing device is vertically installed on the upper part of the frame body, and the pushing device is installed on the frame body above the hose fixing device; the rubber cutting device is installed on the frame body below the hose fixing device; the weighing device comprises a material receiving tray and an analytical balance, the analytical balance is installed on the base below the hose fixing device, and the material receiving tray is placed on the analytical balance.

[0006] The utility model is further improved in that a level adjustment device is installed on the base and a level gauge is installed on the main frame, so that the levelness of the base can be detected and adjusted, and the measurement data is more accurate.

[0007] The utility model is further improved by providing a controller connected to the rubber material extrusion device and the rubber material cutting device. The controller can set and control the time of rubber material extrusion and cutting, and is used to control the automatic operation of the rubber material extrusion device and the rubber material cutting device to achieve automatic detection.

[0008] Preferably, the pushing device includes a pushing cylinder, a pushing pressure regulating valve, a pushing solenoid valve, and a pushing piston. The pushing piston is mounted on the lower end of the piston rod of the pushing cylinder. The pushing cylinder is sequentially connected to the pushing solenoid valve and the pushing pressure regulating valve via pipelines. The pushing solenoid valve is connected to a controller. The controller controls the extension and retraction of the cylinder piston rod by controlling the pushing solenoid valve. The pressure regulating valve is used to adjust the set air supply pressure.

[0009] Preferably, the hose fixing device comprises a fixing block and a hose sleeve; the fixing block is mounted on the main frame directly below the pushing cylinder, the fixing block having a mounting threaded hole, and the upper end of the hose sleeve having a mounting thread, through which the hose sleeve is mounted on the fixing block. The hose sleeve comprises a sleeve body, the lower end of which is provided with a lower baffle, and the center of the lower baffle having an insertion hole; the mounting thread is an external thread provided on the outer side of the upper end of the sleeve body.

[0010] Preferably, the rubber cutting device includes a cutting cylinder, a cutting pressure regulating valve, a cutting solenoid valve and a cutter. The cutting cylinder is connected to the cutting solenoid valve and the cutting pressure regulating valve in sequence through pipelines, and the cutting solenoid valve is connected to the controller; the cutting cylinder is installed on the frame body on the left side below the rubber hose sleeve, and the cutter is installed on the piston rod of the cutting cylinder.

[0011] During use, the original packaging hose containing silicone adhesive is fixed vertically downward on the main frame via the hose fixing device. The pushing device is activated to push and squeeze the original packaging hose, squeezing the adhesive from the adhesive nozzle at the lower end of the original packaging hose and dropping it into the material receiving tray below. When the preset extrusion time is reached, the pushing device stops and the adhesive cutting device activates to cut the adhesive under the adhesive nozzle, causing all the extruded adhesive to fall into the material receiving tray. The measurement results are analyzed using a balance. The utility model has a simple structure and is easy to use. There is no human intervention in the extrusion process of the original packaging hose, which can ensure its verticality and more accurate test data. The use of a controller to control the movement of the cylinder can precisely control the test time and test pressure, further improving the accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the present utility model. DETAILED DESCRIPTION

[0013] like Figure 1The original packaged single-component silicone adhesive extrusion test device shown includes a base 15, on which are mounted a rubber extrusion device, a rubber cutting device, and a weighing device. The rubber extrusion device includes a main frame 22, a rubber hose fixing device, and a pushing device. The main frame 22 is fixedly mounted on the base 15. The pushing device includes a pushing cylinder 4, a pushing pressure regulating valve 9, a pushing solenoid valve 7, and a pushing piston 6 that cooperates with the original packaged rubber hose of the single-component silicone adhesive; the pushing cylinder is vertically mounted on the upper part of the frame body 22, and the pushing piston 6 is mounted on the lower end of the piston rod 5 of the pushing cylinder; the pushing cylinder 4 is connected to the pushing solenoid valve 7 and the pushing pressure regulating valve 9 in sequence through pipelines, and a controller 12 is provided on the base, and the pushing solenoid valve 7 is connected to the controller 12; when in use, the pushing pressure regulating valve 9 is connected to the air source through a pipeline, and the pushing pressure regulating valve is used to adjust and set the air supply pressure; the controller 12 controls the extension and retraction of the pushing cylinder piston rod by controlling the pushing solenoid valve 7; The hose fixing device includes a fixing block 3 and a hose sleeve 8; an upper mounting plate 1 is provided on the main frame 22 below the pushing cylinder, and the fixing block 3 is installed on the upper mounting plate directly below the pushing cylinder. A mounting threaded hole is provided in the center of the fixing block, through which the pushing piston 6 can pass, and which passes through the upper and lower parts. The hose sleeve 8 includes a sleeve body, a lower baffle is provided at the lower end of the sleeve body, and a through hole is provided in the center of the lower baffle for cooperating with the glue nozzle of the original packaging hose of the silicone glue. A mounting thread is provided at the upper end of the sleeve body, and the mounting thread is an external thread arranged on the outer side of the upper end of the sleeve body. The hose sleeve 8 is detachably mounted on the fixing block through the mounting thread and the mounting thread hole.

[0014] The rubber cutting device includes a cutting cylinder 21, a cutting pressure regulating valve 19, a cutting solenoid valve 20, and a cutter 18. A lower mounting plate is provided on the main frame below the hose sleeve. The cutting cylinder 21 is horizontally mounted on the lower mounting plate to the left of the hose sleeve. The cutting cylinder 21 is connected to the cutting solenoid valve 20 and the cutting pressure regulating valve 19 via pipelines, and the cutting solenoid valve 20 is connected to the controller 12. The cutter is mounted on the piston rod of the cutting cylinder. The cutting blade at the front end of the cutter is located below the rubber nozzle and can smoothly cut the rubber extruded from the rubber nozzle. During use, the cutting pressure regulating valve 19 is connected to the air source via a pipeline and is used to adjust and set the air supply pressure. The controller 12 controls the extension and retraction of the cylinder piston rod by controlling the cutting solenoid valve 20 to complete the rubber cutting operation.

[0015] The weighing device includes a material receiving tray 17 and an analytical balance 16. The analytical balance 16 is mounted on the base 15 directly below the hose sleeve 8. The material receiving tray 17 is placed on the analytical balance 16. A drop hole is provided on the lower mounting plate between the lower end of the hose sleeve 8 and the material receiving tray 17.

[0016] As a further improvement, a level adjustment device is installed on the base, and a spirit level is installed on the main frame. The level adjustment device is provided with at least three height adjustment bolts evenly distributed around the base. By turning the height adjustment bolts and cooperating with the spirit level, the levelness of the base can be adjusted, and the measurement data can be more accurate.

[0017] During use, the upper end cap of the original packaging hose containing silicone adhesive is opened and then installed into the hose sleeve. The adhesive nozzle of the original packaging hose is downwardly inserted through the insertion hole in the center of the lower baffle, and the hose sleeve is installed on the fixed block. The controller controls the driving device to operate, and the pushing cylinder drives the pushing piston downward through the assembly threaded hole and enters the upper end of the original packaging hose. The piston pushes downward to squeeze the adhesive in the original packaging hose, forcing the adhesive from the adhesive nozzle at the lower end of the original packaging hose into the material receiving tray below. When the preset extrusion time is reached, the driving device stops and the adhesive cutting device operates. The cutting cylinder drives the cutter to cut the adhesive extruded from the adhesive nozzle, causing the extruded adhesive to fall completely into the material receiving tray. The results are measured by an analytical balance. The utility model has a simple structure and is easy to use. There is no human intervention in the original packaging hose extrusion process, which can ensure its verticality and more accurate test data. Using the controller to control the movement of the cylinder can precisely control the test time and test pressure, further improving the accuracy of the test.

[0018] Anything not described in detail in the present invention is based on conventional techniques in the art.

Claims

1. A device for testing the extrudability of a single-component silicone adhesive in original packaging, comprising a base, characterized in that: The base is equipped with a rubber extrusion device, a rubber cutting device and a weighing device. The rubber extrusion device includes a main frame, a hose fixing device and a pushing device. The main frame is installed on the base, the hose fixing device is vertically installed on the upper part of the frame body, and the pushing device is installed on the frame body above the hose fixing device; the rubber cutting device is installed on the frame body below the hose fixing device; the weighing device includes a material receiving tray and an analytical balance. The analytical balance is installed on the base below the hose fixing device, and the material receiving tray is placed on the analytical balance.

2. The original packaged one-component silicone adhesive extrusion test device according to claim 1, characterized in that: A level adjustment device is installed on the base, and a level meter is installed on the main frame.

3. The original packaged one-component silicone adhesive extrusion testing device according to claim 1 or 2, characterized in that: A controller is provided, which is connected with the rubber material extrusion device and the rubber material cutting device.

4. The original packaged one-component silicone adhesive extrusion test device according to claim 3, characterized in that: The pushing device includes a pushing cylinder, a pushing pressure regulating valve, a pushing solenoid valve and a pushing piston, and the pushing piston is installed on the lower end of the piston rod of the pushing cylinder; the pushing cylinder is connected to the pushing solenoid valve and the pushing pressure regulating valve in sequence through pipelines, and the pushing solenoid valve is connected to the controller.

5. The original packaged one-component silicone adhesive extrusion test device according to claim 3, characterized in that: The hose fixing device includes a fixing block and a hose sleeve; the fixing block is installed on the main frame directly below the pushing cylinder, the fixing block is provided with an assembly thread hole, the upper end of the hose sleeve is provided with an installation thread, and the hose sleeve is installed on the fixing block through the installation thread and the assembly thread hole.

6. The original packaged one-component silicone adhesive extrusion testing device according to claim 4 or 5, characterized in that: The rubber cutting device includes a cutting cylinder, a cutting pressure regulating valve, a cutting solenoid valve and a cutter. The cutting cylinder is connected to the cutting solenoid valve and the cutting pressure regulating valve in sequence through pipelines, and the cutting solenoid valve is connected to the controller; the cutting cylinder is installed on the frame body on the left side below the rubber hose sleeve, and the cutter is installed on the piston rod of the cutting cylinder.

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