PUR (Polyurethane) hot melt adhesive machine capable of preventing adhesive blockage

Abstract

The utility model provides a PUR (Polyurethane) hot melt adhesive machine capable of preventing adhesive blockage. The PUR hot melt glue machine capable of preventing glue blocking comprises a base, the hot melt adhesive machine body is fixedly mounted on the base; the hot melt adhesive barrel is fixedly mounted on the base and is positioned on one side of the hot melt adhesive machine body; the mounting plate is fixedly mounted on one side of the hot melt adhesive machine body and is positioned above the hot melt adhesive barrel; the heating device is arranged in the hot melt adhesive barrel and is used for heating the hot melt adhesive; the stirring mechanism is arranged on the hot melt adhesive barrel and corresponds to the heating device; and the driving mechanism is arranged on the hot melt adhesive barrel and corresponds to the stirring mechanism. The PUR hot melt glue machine capable of preventing glue blockage has the advantages that the liquid pump can be effectively prevented from being blocked by hot melt glue, and the glue spraying effect is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of hot melt adhesive machines, in particular to a PUR hot melt adhesive machine capable of preventing adhesive from being blocked. Background Art

[0002] Hot melt glue machine is mainly used for automatic application equipment of hot melt glue spraying, scraping, rolling, coating and injecting. It is widely used in household products, automobile industry, footwear industry, electronic products industry, etc.

[0003] When the existing glue melter heats and melts the glue block, the hot melt glue is often heated unevenly, causing the glue block to sinter. Sometimes some glue blocks have not even melted, which can easily cause the liquid pump to be blocked, affecting the spraying effect of the glue melter and causing damage to the glue melter.

[0004] Therefore, it is necessary to provide a new PUR hot melt adhesive machine that can prevent adhesive blocking to solve the above technical problems. Utility Model Content

[0005] In order to solve the technical problem that when the existing glue melter heats and melts the glue block, the hot melt glue is often heated unevenly, causing the glue block to sinter. Sometimes some glue blocks have not even melted, which easily causes the liquid pump to be blocked, affects the spraying effect of the glue melter, and causes damage to the glue melter, the utility model provides a PUR hot melt glue machine that can prevent glue from being blocked.

[0006] The utility model provides a PUR hot melt adhesive machine capable of preventing glue from being blocked, comprising: a base; a hot melt adhesive machine body, the hot melt adhesive machine body being fixedly mounted on the base; a hot melt adhesive barrel, the hot melt adhesive barrel being fixedly mounted on the base and being located at one side of the hot melt adhesive machine body; a mounting plate, the mounting plate being fixedly mounted on one side of the hot melt adhesive machine body and being located above the hot melt adhesive barrel; a heating device, the heating device being arranged in the hot melt adhesive barrel for heating the hot melt adhesive; a stirring mechanism, the stirring mechanism being arranged on the hot melt adhesive barrel and being arranged corresponding to the heating device; and a driving mechanism, the driving mechanism being arranged on the hot melt adhesive barrel and being arranged corresponding to the stirring mechanism.

[0007] As a further solution of the present utility model, the heating device includes a heating tank, a plurality of electric heating wires and a heat spreader. The heating tank is opened in the hot melt adhesive barrel, and the plurality of electric heating wires are fixedly installed in the heating tank. The heat spreader is fixedly installed in the heating tank and is arranged corresponding to the plurality of electric heating wires. Wires are fixedly installed between the plurality of electric heating wires and the hot melt adhesive machine body.

[0008] As a further solution of the utility model, the stirring mechanism includes a hose and multiple stirring rods. The hose is rotatably mounted on the hot melt adhesive barrel. The multiple stirring rods are fixedly mounted on the hose. The top end of the hose is fixedly connected with a joint. A sealed bearing is fixedly mounted between the joint and the hose.

[0009] As a further solution of the utility model, the driving mechanism includes a motor and two sprockets, the motor is fixedly mounted on the bottom of the mounting plate, the two sprockets are respectively fixedly mounted on the output shaft of the motor and the hose, and the two sprockets are connected by a chain transmission.

[0010] As a further solution of the utility model, a liquid pump is fixedly mounted on the mounting plate, a glue inlet pipe and a glue outlet are fixedly mounted on both ends of the liquid pump, and the glue inlet pipe is fixedly connected to the joint.

[0011] As a further solution of the utility model, an exhaust port is provided on the top of the hot melt adhesive barrel, and a dustproof net is fixedly embedded in the exhaust port.

[0012] As a further solution of the utility model, two connecting rods are fixedly mounted on the rubber hose, and scrapers are fixedly mounted on the two connecting rods, and the scrapers are in contact with the inner wall of the hot melt adhesive barrel.

[0013] Compared with the related art, the PUR hot melt adhesive machine provided by the utility model that can prevent adhesive blocking has the following beneficial effects:

[0014] The utility model provides a PUR hot melt adhesive machine which can prevent adhesive blockage:

[0015] 1. Through the setting of the stirring mechanism, the rubber hose can be driven to rotate, so that multiple stirring rods can stir the hot melt adhesive, so that it is heated evenly and the dissolution effect is better, thereby effectively avoiding the problem of the hot melt adhesive pump being blocked due to uneven heating, which affects the spraying effect of the hot melt adhesive machine;

[0016] 2. Through the setting of the heating device, the hot melt adhesive in the hot melt adhesive barrel can be heated by starting the energized electric heating wire, so as to achieve the dissolution of the hot melt adhesive; through the setting of the driving mechanism, the two sprockets and the chain can be driven to rotate by starting the motor, so as to achieve the rotation of the hose;

[0017] 3. By setting the liquid pump, the hot melt adhesive in the hot melt adhesive barrel can be extracted and used through the rubber hose and the rubber inlet pipe by starting the liquid pump; by setting the dustproof net, it can effectively prevent impurities from entering and polluting the hot melt adhesive, thereby affecting the spraying effect; by setting the scraper, the hot melt adhesive attached to the heat spreader can be scraped off to prevent the hot melt adhesive from solidifying on the heat spreader for a long time and affecting the heating of the hot melt adhesive in the hot melt adhesive barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 A schematic diagram of a front cross-sectional structure of a preferred embodiment of a PUR hot melt adhesive machine capable of preventing adhesive blockage provided by the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of part A;

[0021] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part B.

[0022] In the figure: 1. Base; 2. Hot melt adhesive machine body; 3. Hot melt adhesive barrel; 4. Mounting plate; 5. Heating tank; 6. Heating wire; 7. Heat spreader; 8. Wire; 9. Hose; 10. Stirring rod; 11. Joint; 12. Sealed bearing; 13. Motor; 14. Sprocket; 15. Chain; 16. Liquid pump; 17. Glue inlet hose; 18. Glue outlet; 19. Exhaust port; 20. Dust screen; 21. Connecting rod; 22. Scraper. DETAILED DESCRIPTION

[0023] Please refer to Figure 1-Figure 3 ,in, Figure 1 A schematic diagram of a front cross-sectional structure of a preferred embodiment of a PUR hot melt adhesive machine capable of preventing adhesive blockage provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the enlarged structure of part A; Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part B.

[0024] The PUR hot melt glue machine with anti-blocking glue includes: a base 1; a hot melt glue machine body 2, the hot melt glue machine body 2 is fixedly installed on the base 1; a hot melt glue barrel 3, the hot melt glue barrel 3 is fixedly installed on the base 1 and is located on one side of the hot melt glue machine body 2; a mounting plate 4, the mounting plate 4 is fixedly installed on one side of the hot melt glue machine body 2 and is located above the hot melt glue barrel 3; a heating device, the heating device is arranged in the hot melt glue barrel 3 for heating the hot melt glue; a stirring mechanism, the stirring mechanism is arranged on the hot melt glue barrel 3 and is arranged corresponding to the heating device; a driving mechanism, the driving mechanism is arranged on the hot melt glue barrel 3 and is arranged corresponding to the stirring mechanism. Through the setting of the stirring mechanism, the rubber hose 9 can be driven to rotate, so that multiple stirring rods 10 can stir the hot melt glue, so that it is heated evenly and the dissolution effect is better, thereby effectively avoiding the problem that the liquid pump 16 is blocked due to uneven heating of the hot melt glue, thereby affecting the spraying effect of the hot melt glue machine body 2.

[0025] The heating device includes a heating groove 5, a plurality of electric heating wires 6 and a heat spreader 7. The heating groove 5 is opened in the hot melt glue barrel 3. The plurality of electric heating wires 6 are fixedly installed in the heating groove 5. The heat spreader 7 is fixedly installed in the heating groove 5 and is arranged corresponding to the plurality of electric heating wires 6. A wire 8 is fixedly installed between the plurality of electric heating wires 6 and the hot melt glue machine body 2. Through the setting of the heating device, the hot melt glue in the hot melt glue barrel 3 can be heated by starting the energized electric heating wires 6, thereby realizing the dissolution of the hot melt glue.

[0026] The stirring mechanism includes a hose 9 and a plurality of stirring rods 10. The hose 9 is rotatably mounted on the hot melt adhesive barrel 3. The plurality of stirring rods 10 are fixedly mounted on the hose 9. A joint 11 is fixedly connected to the top of the hose 9. A sealed bearing 12 is fixedly mounted between the joint 11 and the hose 9. By setting the stirring mechanism, the hose 9 can be driven to rotate, thereby achieving a plurality of stirring rods 10 to stir the hot melt adhesive, so that the hot melt adhesive is heated evenly and has a better dissolving effect, thereby effectively avoiding the problem that the liquid pump 16 is blocked due to uneven heating of the hot melt adhesive, thereby affecting the spraying effect of the hot melt adhesive machine body 2.

[0027] The driving mechanism includes a motor 13 and two sprockets 14. The motor 13 is fixedly mounted on the bottom of the mounting plate 4. The two sprockets 14 are respectively fixedly mounted on the output shaft of the motor 13 and the hose 9. The two sprockets 14 are connected by a chain 15. Through the setting of the driving mechanism, the motor 13 can be started to drive the two sprockets 14 and the chain 15 to rotate, thereby realizing the rotation of the hose 9.

[0028] A liquid pump 16 is fixedly installed on the mounting plate 4, and a glue inlet pipe 17 and a glue outlet 18 are fixedly installed at both ends of the liquid pump 16. The glue inlet pipe 17 is fixedly connected to the joint 11. Through the setting of the liquid pump 16, the hot melt glue in the hot melt glue barrel 3 can be extracted for use through the glue hose 9 and the glue inlet pipe 17 by starting the liquid pump 16.

[0029] An exhaust port 19 is provided on the top of the hot melt adhesive barrel 3, and a dustproof net 20 is fixedly embedded in the exhaust port 19. The dustproof net 20 can effectively prevent impurities from entering and polluting the hot melt adhesive, thereby affecting the spraying effect.

[0030] Two connecting rods 21 are fixedly installed on the rubber tube 9, and scrapers 22 are fixedly installed on the two connecting rods 21. The scrapers 22 are in contact with the inner wall of the hot melt glue barrel 3. Through the setting of the scrapers 22, the hot melt glue attached to the heat spreader 7 can be scraped off to prevent the hot melt glue from solidifying on the heat spreader 7 for a long time and affecting the heating of the hot melt glue in the hot melt glue barrel 3.

[0031] It is worth noting that the circuits, electronic components and modules involved in the present utility model are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present utility model does not involve improvements to software and methods.

[0032] The working principle of the PUR hot melt adhesive machine that can prevent adhesive blocking provided by the utility model is as follows:

[0033] This solution also has an electric control cabinet, which is installed on the equipment. When in use, each electrical device can be started and operated through the electric control cabinet. The power connection method of each electrical device is an existing mature technology, which is a well-known technology for people in this field and will not be described in detail here.

[0034] When in use, first pour the hot melt adhesive into the hot melt adhesive barrel 3 through the feed port, then start the energized heating wire 6 to heat the hot melt adhesive in the hot melt adhesive barrel 3, and start the motor 13 while heating. The output shaft of the motor 13 rotates and drives the two sprockets 14 and the chain 15 to rotate, so that the rubber hose 9 rotates, thereby realizing the multiple stirring rods 10 to stir the hot melt adhesive, so that it is evenly contacted with the heat, so that the dissolution effect is better, thereby effectively avoiding the problem that the liquid pump 16 is blocked due to uneven heating of the hot melt adhesive, which affects the spraying effect of the hot melt adhesive machine body 2;

[0035] When the hot melt glue machine body 2 needs to be used for glue spraying, a spraying device (not shown) can be installed on the glue outlet 18, and then the liquid pump 16 can be started to extract the hot melt glue in the hot melt glue barrel 3 through the glue hose 9 and the glue inlet pipe 17 for use;

[0036] By setting the exhaust port 19, the excess heat in the hot melt glue barrel 3 can be discharged to ensure the normal use of the equipment. By setting the scraper 22, the hot melt glue attached to the heat spreader 7 can be scraped off to prevent the hot melt glue from solidifying on the heat spreader 7 for a long time and affecting the heating of the hot melt glue in the hot melt glue barrel 3.

[0037] Compared with the related art, the PUR hot melt adhesive machine provided by the utility model that can prevent adhesive blocking has the following beneficial effects:

[0038] The utility model provides a PUR hot melt adhesive machine that can prevent glue from being blocked. Through the setting of the stirring mechanism, the rubber hose 9 can be driven to rotate, so that multiple stirring rods 10 can stir the hot melt adhesive, so that it is heated evenly and the dissolving effect is better, thereby effectively avoiding the problem that the liquid pump 16 is blocked due to uneven heating of the hot melt adhesive, which affects the spraying effect of the hot melt adhesive machine body 2; through the setting of the heating device, the hot melt adhesive in the hot melt adhesive barrel 3 can be heated by starting the energized electric heating wire 6, so that the hot melt adhesive can be dissolved; through the setting of the driving mechanism, By starting the motor 13, the two sprockets 14 and the chain 15 are driven to rotate, thereby realizing the rotation of the hose 9; by setting the liquid pump 16, the hot melt adhesive in the hot melt adhesive barrel 3 can be extracted and used through the hose 9 and the adhesive inlet pipe 17 by starting the liquid pump 16; by setting the dustproof net 20, it is possible to effectively prevent impurities from entering and polluting the hot melt adhesive, thereby affecting the spraying effect; by setting the scraper 22, the hot melt adhesive attached to the heat spreader 7 can be scraped off, preventing the hot melt adhesive from solidifying on the heat spreader 7 for a long time and affecting the heating of the hot melt adhesive in the hot melt adhesive barrel 3.

[0039] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0040] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0041] Although the embodiments of the present invention have been shown and described, it is understandable to those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A PUR hot melt adhesive machine capable of preventing adhesive blockage, characterized in that: include: Base; A hot melt adhesive machine body, wherein the hot melt adhesive machine body is fixedly mounted on the base; A hot melt glue barrel, which is fixedly mounted on the base and located on one side of the hot melt glue machine body; A mounting plate, the mounting plate being fixedly mounted on one side of the hot melt adhesive machine body and located above the hot melt adhesive barrel; A heating device, which is arranged in the hot melt adhesive barrel and is used to heat the hot melt adhesive; A stirring mechanism, the stirring mechanism is arranged on the hot melt adhesive barrel and is arranged corresponding to the heating device; A driving mechanism is arranged on the hot melt adhesive barrel and corresponds to the stirring mechanism.

2. The PUR hot melt adhesive machine capable of preventing adhesive blockage according to claim 1, characterized in that: The heating device includes a heating groove, a plurality of electric heating wires and a heat spreader. The heating groove is opened in the hot melt adhesive barrel. The plurality of electric heating wires are fixedly installed in the heating groove. The heat spreader is fixedly installed in the heating groove and is arranged corresponding to the plurality of electric heating wires. Wires are fixedly installed between the plurality of electric heating wires and the hot melt adhesive machine body.

3. The PUR hot melt adhesive machine capable of preventing adhesive blockage according to claim 1, characterized in that: The stirring mechanism includes a hose and a plurality of stirring rods. The hose is rotatably mounted on the hot melt adhesive barrel. The plurality of stirring rods are fixedly mounted on the hose. A joint is fixedly connected to the top end of the hose. A sealed bearing is fixedly mounted between the joint and the hose.

4. The PUR hot melt adhesive machine capable of preventing adhesive blockage according to claim 3, characterized in that: The driving mechanism comprises a motor and two sprockets. The motor is fixedly mounted on the bottom of the mounting plate. The two sprockets are respectively fixedly mounted on the output shaft of the motor and the hose. The two sprockets are connected by chain transmission.

5. The PUR hot melt adhesive machine capable of preventing adhesive blockage according to claim 3, characterized in that: A liquid pump is fixedly mounted on the mounting plate, and a glue inlet pipe and a glue outlet are fixedly mounted on both ends of the liquid pump, respectively, and the glue inlet pipe is fixedly connected to the joint.

6. The PUR hot melt adhesive machine capable of preventing adhesive blockage according to claim 1, characterized in that: An exhaust port is provided on the top of the hot melt adhesive barrel, and a dustproof net is fixedly embedded in the exhaust port.

7. The PUR hot melt adhesive machine capable of preventing adhesive blockage according to claim 3, characterized in that: Two connecting rods are fixedly installed on the rubber hose, and scrapers are fixedly installed on the two connecting rods. The scrapers are in contact with the inner wall of the hot melt adhesive barrel.

Images