Semi-automatic weighing and packaging structure for pressure-sensitive adhesive

Abstract

The utility model relates to a semi-automatic weighing and packaging structure for pressure-sensitive adhesive. The semi-automatic weighing and packaging structure is mounted at the output end of an adhesive kettle; the device is characterized by comprising a feeding main pipeline, a filtering module, a discharging pipeline group, a circulating heating module, an electric control metering valve and an electronic scale, the filter module is arranged between the output end of the sizing material kettle and the feeding main pipeline, and the filter screen in the filter module is replaceable, so that when the filter screen is blocked, the air cylinder is adopted to drive the filter flashboard to be switched to the position of another filter screen, and filtering is continued; the filter screen can be replaced without stopping production, the operation is more convenient, and the efficiency is higher; the longitudinally arranged filter flashboard can effectively reduce the leakage area of the pressure-sensitive adhesive below the filter block, and is convenient to clean; in addition, the electronic control metering valve is arranged at the output end of the discharging pipe unit and matched with the electronic scale for metering control, the packaging and weighing efficiency is improved, and the operation complexity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure-sensitive adhesive production, in particular to a semi-automatic weighing and packaging structure for pressure-sensitive adhesive. Background Art

[0002] During the production process of pressure-sensitive adhesive, the processed pressure-sensitive adhesive needs to be packaged. Since pressure-sensitive adhesive is a solid adhesive at room temperature and has poor fluidity, the pressure-sensitive adhesive needs to be heated before packaging to increase its fluidity. However, the conventional packaging method is to set a number of discharge pipe units at the end of the output pipeline of the adhesive kettle; use a delivery pump to directly pump out the adhesive and manually control the valve. During packaging, the quality of the pressure-sensitive adhesive added to the packaging bag cannot be accurately controlled. In addition, when the product is output from the adhesive kettle, there are many impurities inside. There are significant impurities in the pressure-sensitive adhesive, which affects the quality of the pressure-sensitive adhesive. Therefore, a semi-automatic packaging that can accurately weigh is needed to realize the packaging of pressure-sensitive adhesive and improve the quality of pressure-sensitive adhesive. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a semi-automatic weighing packaging structure for pressure-sensitive adhesives, which can solve the problems of the traditional pressure-sensitive adhesive packaging structure, which uses manual opening and closing valves to discharge materials, has inaccurate packaging quality, and has a high impurity content in the product and is inconvenient to remove.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a semi-automatic weighing and packaging structure for pressure-sensitive adhesive, which is installed at the output end of the adhesive kettle; its innovation lies in: including a main feed pipeline, a filter module, a discharge pipeline group, a circulation heating module, an electronically controlled metering valve and an electronic scale;

[0005] The feed main pipeline is a cylindrical tubular structure, and a heating jacket is arranged inside the feed main pipeline; one end of the feed main pipeline is connected to the output end of the rubber kettle, and a filtering module is arranged at the connection between the feed main pipeline and the output end of the rubber kettle; a reserved port is arranged at the other end of the feed main pipeline; a liquid inlet and a liquid outlet which are in communication with the heating jacket are arranged on the feed main pipeline;

[0006] The filter module comprises a filter block, a filter gate, a gate drive cylinder and a filter screen; the filter block is connected to the output end of the rubber kettle and the input end of the feed main pipeline through a flange in the horizontal direction, and is respectively connected to the output end of the rubber kettle and the input end of the feed main pipeline; the filter block is provided with a gate guide groove in the vertical direction; the filter gate is arranged in the gate guide groove along the vertical direction, and at least two filter screen installation grooves are arranged on the filter gate in the vertical direction, and a number of through holes that penetrate the filter gate horizontally are arranged in the filter screen installation groove; the filter screen is arranged in the filter screen installation groove; the gate drive cylinder is arranged on the top end of the filter block along the vertical direction, and the output end of the gate drive cylinder is connected to the top end of the filter gate; the gate drive cylinder drives the filter gate to rise and fall in the vertical direction to realize the switching of different filter screen installation grooves;

[0007] The discharge pipe group includes a plurality of discharge pipe units, and the discharge pipe units are respectively vertically connected to both sides of the feed main pipe and are connected to the feed main pipe; a heating jacket is arranged in the discharge pipe unit; the end of the discharge pipe unit is a metering discharge port, and an electric-controlled metering valve is arranged at the metering discharge port; the electronic scale is arranged below the metering discharge port of the discharge pipe unit, and the electronic scale is connected to the electric-controlled metering valve through a signal line, and the closing of the electric-controlled metering valve is controlled after the electronic scale reaches the weighing;

[0008] The circulating heating module includes a main heating pipeline and a discharge heating pipeline; the main heating pipeline is connected to the liquid inlet and the liquid outlet of the feed main pipeline, and is connected to a hot oil circulation source; the discharge heating pipeline is connected to the discharge pipeline unit, is connected to the heating jacket of the discharge pipeline unit, and is connected to the hot oil circulation source.

[0009] Furthermore, a second reserved opening is provided on one side of the input end of the main feed pipeline, and the second reserved opening is connected to an automatic pressure-sensitive adhesive packaging mechanism through a pipeline.

[0010] Furthermore, the hot oil circulation source includes a heater, a circulation pump and a hot oil tank; the heater is arranged in the hot oil tank, and the hot oil is arranged in the hot oil tank, and the hot oil in the hot oil tank is heated by the heater; the circulation pump is arranged on the main heating pipeline and the discharge heating pipeline.

[0011] Furthermore, the pore size of the filter is 80-100 meshes.

[0012] The advantages of the utility model are:

[0013] 1) In the utility model, a filter module is arranged between the output end of the rubber kettle and the main feed pipeline, and the filter screen in the filter module is replaceable. When the filter screen is blocked, the filter gate is driven by a cylinder to switch to another filter screen position to continue filtering. There is no need to stop production to replace the filter screen, which is more convenient and efficient. The longitudinally arranged filter gate can effectively reduce the area where the pressure-sensitive adhesive leaks under the filter block, which is easy to maintain. In addition, an electrically controlled metering valve is arranged at the output end of the discharge pipe unit to cooperate with an electronic scale for metering control, thereby improving the efficiency of packaging weighing and reducing the complexity of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0015] Figure 1 The utility model is a cross-sectional view of a pressure-sensitive adhesive semi-automatic weighing packaging structure. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] like Figure 1 The semi-automatic weighing and packaging structure of a pressure-sensitive adhesive is shown, which is installed at the output end of the adhesive kettle; it includes a main feed pipeline 1, a filter module 2, a discharge pipeline group 3, a circulation heating module 4, an electric control metering valve 5 and an electronic scale 6.

[0019] The feed main pipeline 1 is a cylindrical tubular structure, and a heating jacket is arranged inside the feed main pipeline 1; one end of the feed main pipeline 1 is connected to the output end of the rubber kettle, and a filter module 2 is arranged at the connection between the feed main pipeline 1 and the output end of the rubber kettle; a reserved port is arranged at the other end of the feed main pipeline 1; a liquid inlet and a liquid outlet which are connected to the heating jacket are arranged on the feed main pipeline 1.

[0020] The filter module 2 includes a filter block 21, a filter gate 22, a gate drive cylinder 23 and a filter screen 24; the filter block 21 is connected to the output end of the rubber kettle and the input end of the feed main pipeline 1 through a flange in the horizontal direction, and is respectively connected to the output end of the rubber kettle and the input end of the feed main pipeline 1; the filter block 21 is provided with a gate guide groove in the vertical direction; the filter gate 22 is arranged in the gate guide groove along the vertical direction, and at least two filter screen installation grooves are arranged on the filter gate 22 in the vertical direction, and a number of through holes that horizontally penetrate the filter gate 22 are arranged in the filter screen installation groove; the filter screen 24 is arranged in the filter screen installation groove, and the aperture of the filter screen 24 is 80-100 mesh; the gate drive cylinder 23 is arranged on the top of the filter block 21 along the vertical direction, and the output end of the gate drive cylinder 23 is connected to the top of the filter gate 22; the gate drive cylinder 23 drives the filter gate 22 to rise and fall in the vertical direction to realize the switching of different filter screen installation grooves.

[0021] The discharge pipe group 3 includes a plurality of discharge pipe units 31, and the discharge pipe units 31 are respectively vertically connected to both sides of the feed main pipe 1 and communicated with the feed main pipe 1; a heating jacket is arranged in the discharge pipe unit 31; the end of the discharge pipe unit 31 is a metering discharge port, and an electric-controlled metering valve 5 is arranged at the metering discharge port; an electronic scale 6 is arranged below the metering discharge port of the discharge pipe unit 31, and the electronic scale 5 is connected to the electric-controlled metering valve 5 through a signal line, and the closing of the electric-controlled metering valve 5 is controlled after weighing by the electronic scale 6.

[0022] The circulating heating module 4 includes a main heating pipeline 41 and a discharge heating pipeline 42; the main heating pipeline 41 is connected to the liquid inlet and the liquid outlet of the feed main pipeline 1, and is connected to a hot oil circulation source 43; the discharge heating pipeline 42 is connected to the discharge pipeline unit 31, is conductive with the heating jacket of the discharge pipeline unit 31, and is connected to the hot oil circulation source 43.

[0023] A second reserved opening 11 is provided on one side of the input end of the main feed pipe 1, and the second reserved opening 11 is connected to an automatic pressure-sensitive adhesive packaging mechanism through a pipe.

[0024] The hot oil circulation source 43 includes a heater, a circulation pump and a hot oil tank; the heater is arranged in the hot oil tank, and heating oil is arranged in the hot oil tank, and the hot oil in the hot oil tank is heated by the heater; the circulation pump is arranged on the main heating pipeline and the discharge heating pipeline.

[0025] The working principle of the utility model is as follows: a filter module is arranged between the output end of the rubber kettle and the main feed pipeline, and the filter screen in the filter module is replaceable. When the filter screen is blocked, a cylinder is used to drive the filter gate to switch to another filter screen position to continue filtering. There is no need to stop production to replace the filter screen, which is more convenient to operate and more efficient. The longitudinally arranged filter gate can effectively reduce the area where the pressure-sensitive adhesive leaks under the filter block, which is easy to maintain. In addition, an electrically controlled metering valve is arranged at the output end of the discharge pipe unit and cooperates with an electronic scale for metering control, thereby improving the efficiency of packaging weighing and reducing the complexity of operation.

[0026] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. A semi-automatic weighing and packaging structure for pressure-sensitive adhesive, which is installed at the output end of the adhesive kettle; characterized in that: It includes a feed main pipeline, a filter module, a discharge pipeline group, a circulation heating module, an electronically controlled metering valve and an electronic scale; The feed main pipeline is a cylindrical tubular structure, and a heating jacket is arranged inside the feed main pipeline; one end of the feed main pipeline is connected to the output end of the rubber kettle, and a filtering module is arranged at the connection between the feed main pipeline and the output end of the rubber kettle; a reserved port is arranged at the other end of the feed main pipeline; a liquid inlet and a liquid outlet which are in communication with the heating jacket are arranged on the feed main pipeline; The filter module comprises a filter block, a filter gate, a gate drive cylinder and a filter screen; the filter block is connected to the output end of the rubber kettle and the input end of the feed main pipeline through a flange in the horizontal direction, and is respectively connected to the output end of the rubber kettle and the input end of the feed main pipeline; the filter block is provided with a gate guide groove in the vertical direction; the filter gate is arranged in the gate guide groove along the vertical direction, and at least two filter screen installation grooves are arranged on the filter gate in the vertical direction, and a number of through holes that penetrate the filter gate horizontally are arranged in the filter screen installation groove; the filter screen is arranged in the filter screen installation groove; the gate drive cylinder is arranged on the top end of the filter block along the vertical direction, and the output end of the gate drive cylinder is connected to the top end of the filter gate; the gate drive cylinder drives the filter gate to rise and fall in the vertical direction to realize the switching of different filter screen installation grooves; The discharge pipe group includes a plurality of discharge pipe units, and the discharge pipe units are respectively vertically connected to both sides of the feed main pipe and are connected to the feed main pipe; a heating jacket is arranged in the discharge pipe unit; the end of the discharge pipe unit is a metering discharge port, and an electric-controlled metering valve is arranged at the metering discharge port; the electronic scale is arranged below the metering discharge port of the discharge pipe unit, and the electronic scale is connected to the electric-controlled metering valve through a signal line, and the closing of the electric-controlled metering valve is controlled after the electronic scale reaches the weighing; The circulating heating module includes a main heating pipeline and a discharge heating pipeline; the main heating pipeline is connected to the liquid inlet and the liquid outlet of the feed main pipeline, and is connected to a hot oil circulation source; the discharge heating pipeline is connected to the discharge pipeline unit, is connected to the heating jacket of the discharge pipeline unit, and is connected to the hot oil circulation source.

2. A semi-automatic weighing and packaging structure for pressure-sensitive adhesive according to claim 1, characterized in that: A second reserved opening is arranged on one side of the input end of the main feed pipeline, and the second reserved opening is connected to an automatic pressure-sensitive adhesive packaging mechanism through a pipeline.

3. The semi-automatic weighing and packaging structure for pressure-sensitive adhesive according to claim 1, characterized in that: The hot oil circulation source includes a heater, a circulation pump and a hot oil tank; the heater is arranged in the hot oil tank, and the hot oil in the hot oil tank is provided with heating oil, and the hot oil in the hot oil tank is heated by the heater; the circulation pump is arranged on the main heating pipeline and the discharge heating pipeline.

4. The semi-automatic weighing and packaging structure for pressure-sensitive adhesive according to claim 1, characterized in that: The pore size of the filter is 80-100 meshes.

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