Convenient-to-discharge reaction kettle for producing polyurethane hot melt adhesive

Abstract

The reaction kettle comprises a base, a rotating device and a discharging device, a first motor is fixedly connected to the interior of the upper end of the left side of the base, an output shaft of the first motor is fixedly connected with a rotating rod, the top end of the rotating rod is fixedly connected with a lead screw, and the top end of the lead screw is fixedly connected with the discharging device. A bottom plate is fixedly connected to the outer side of the joint of the rotating rod and the screw rod, a fixing block is in threaded connection to the outer side of the screw rod, a reaction kettle body is fixedly connected to the inner side of the fixing block, limiting rods are fixedly connected to the right end and the rear end of the upper surface of the base, and a top cover is connected to the upper surface of the reaction kettle body in a clamped mode. And the outer end of the lower surface of the top cover is fixedly connected with a sealing ring. According to the polyurethane hot melt adhesive production reaction kettle convenient to discharge, discharging is convenient, the height of the reaction kettle body is convenient to adjust, the reaction kettle is suitable for workers of different heights, the stirring rod is convenient to disassemble and assemble, and the interior of the reaction kettle body is convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field related to hot melt adhesive production and processing equipment, in particular to a reaction kettle for producing polyurethane hot melt adhesive which is convenient for discharging materials. Background Art

[0002] Hot melt adhesive is a plastic adhesive. Its physical state changes with temperature within a certain temperature range, but its chemical properties remain unchanged. It is non-toxic and tasteless, and is an environmentally friendly chemical product. It is popular because the product itself is solid, easy to package, transport, store, solvent-free, pollution-free, non-toxic, and has the advantages of simple production process, high added value, high bonding strength, and fast speed. In the production and processing of hot melt adhesive, it is often necessary to use a reactor to achieve the mixing reaction of hot melt adhesive raw materials to realize the processing of hot melt adhesive.

[0003] The Chinese utility model patent with reference authorization announcement number CN217341327U discloses an energy-saving and continuous production polyurethane hot melt adhesive reactor, which relates to the technical field related to hot melt adhesive production and processing equipment, including a base, a reactor body is movably arranged on the top of the base, and a support lifting assembly is arranged on the top of the base. This energy-saving and continuous production polyurethane hot melt adhesive reactor can realize the synchronous movement of two sets of rotating shafts only through a single set of motors. The two sets of rotating shafts cooperate with stirring blades in the reactor body to complete the stirring work, so as to improve the production and processing efficiency of the hot melt adhesive, and achieve energy-saving and continuous production, effectively solving the problems existing in the prior art. Moreover, the height adjustment of the reactor can be realized through the cooperation of the locking hoop in the support lifting assembly and the support slide rod, so as to facilitate the production and processing of workers of different heights, effectively improve the work efficiency of the workers, and help to improve the processing efficiency of the hot melt adhesive, so as to increase the production of the hot melt adhesive;

[0004] However, the prior art has the problem that the hot melt adhesive is sticky and inconvenient to discharge, and the height of the workers is different, so it is inconvenient to adjust the height of the reactor when the top cover is removed, and the inside of the reactor needs to be cleaned regularly, and it is inconvenient to disassemble and assemble the stirring rod.

[0005] For this reason, we propose a polyurethane hot melt adhesive production reactor that is easy to discharge, which is used to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a polyurethane hot melt adhesive production reactor that is easy to discharge, so as to solve the problems in the prior art proposed in the above background technology that the hot melt adhesive is sticky and inconvenient to discharge, and the height of the workers is different, so it is not convenient to adjust the height of the reactor when the top cover is removed, and the interior of the reactor needs to be cleaned regularly, and it is not convenient to disassemble and assemble the stirring rod.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyurethane hot melt adhesive production reactor that is convenient for discharging, comprising a base, a rotating device and a discharging device, a first motor is fixedly connected to the inside of the left upper end of the base, and the output shaft of the first motor is fixedly connected to a rotating rod, the top of the rotating rod is fixedly connected to a screw rod, and the outer side of the connection between the rotating rod and the screw rod is fixedly connected to a bottom plate, the outer side of the screw rod is threadedly connected to a fixed block, the inner side of the fixed block is fixedly connected to a reactor body, and the right end and rear end of the upper surface of the base are fixedly connected to a limiting rod;

[0008] The upper surface of the reactor body is snap-connected with a top cover, and the outer end of the lower surface of the top cover is fixedly connected with a sealing ring, and the middle part of the upper surface of the top cover is fixedly connected with a rotating device, the bottom surface of the rotating device is fixedly connected with a snap-fit ​​block, and the bottom end of the snap-fit ​​block is snap-connected with a stirring rod, the middle part of the bottom end of the rotating device is fixedly connected with a connecting rod, and the bottom end of the connecting rod is fixedly connected with a scraper, the upper left end of the reactor body is fixedly connected with a feeding pipe, and a discharge port is provided at the bottom end of the reactor body, and a discharge device is fixedly connected to the middle part of the lower surface of the reactor body.

[0009] Preferably, the middle parts of the left and right rear sides of the reactor body are fixedly connected with fixed blocks, and the middle parts of the fixed blocks on the right and rear sides of the reactor body are slidably connected to the limiting rod.

[0010] Preferably, the rotating device is composed of a bracket, a second motor, a first gear, a second gear and a third gear, the second motor is fixedly connected to the lower surface of the left top end of the bracket, and the output shaft of the second motor is fixedly connected to the first gear, and the right side of the first gear is meshed with the second gear, and the right side of the second gear is meshed with the third gear.

[0011] Preferably, the middle parts of the bottom ends of the first gear and the third gear are fixedly connected to the upper surface of the locking block.

[0012] Preferably, the bottom end of the second gear is fixedly connected to the top end of the connecting rod.

[0013] Preferably, the discharging device is composed of a support plate, an automatic telescopic rod, a third motor and a blocking plate. The upper surface of the bottom end of the support plate is fixedly connected to the automatic telescopic rod, and the output end of the automatic telescopic rod is fixedly connected to the third motor, and the output shaft of the third motor is fixedly connected to the blocking plate.

[0014] Preferably, the outer side surface of the top end of the blocking plate fits with the inner side surface of the bottom end of the discharge port.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the reaction kettle for the production of polyurethane hot melt adhesive is easy to discharge, easy to adjust the height of the reaction kettle body, suitable for workers of different heights, and easy to disassemble and assemble the stirring rod so as to clean the inside of the reaction kettle body;

[0016] 1. A discharging device is installed at the bottom of the discharging port. The third motor of the automatic telescopic rod controls the blocking plate to block and open the discharging port. The bottom end of the scraper fits the inner wall of the discharging port and the middle of the inner side surface of the bottom end of the reactor body, which is convenient for discharging;

[0017] 2. The middle of the left and right rear sides of the reactor body are fixedly connected with fixed blocks. The inside of the left fixed block is threadedly connected with the screw rod, and the right and rear fixed blocks are slidably connected with the limit rod. The first motor drives the screw rod to rotate, so that the reactor body moves up and down, which is convenient for adjusting the height of the reactor body and is suitable for workers of different heights;

[0018] 3. The top cover is snap-connected with the reactor body, the top end of the stirring rod is snap-connected with the stirring rod, and the bottom end of the stirring rod is snap-connected with the left and right sides of the inner point of the reactor body. Move the top cover upward, disengage the snap block from the top end of the stirring rod, and then pull the stirring rod out from the bottom end of the reactor body, so as to facilitate the disassembly and assembly of the stirring rod and clean the inside of the reactor body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0020] Figure 2 It is a side view cutaway structural schematic diagram of the utility model;

[0021] Figure 3 This is a perspective structural diagram of the connecting rod and the scraper of the utility model;

[0022] Figure 4 It is a perspective structural diagram of the discharging device of the utility model.

[0023] In the figure: 1. base; 2. first motor; 3. rotating rod; 4. screw rod; 5. bottom plate; 6. fixing block; 7. reactor body; 8. limiting rod; 9. top cover; 10. sealing ring; 11. rotating device; 1101. bracket; 1102. second motor; 1103. first gear; 1104. second gear; 1105. third gear; 12. engaging block; 13. stirring rod; 14. connecting rod; 15. scraper; 16. feeding pipe; 17. discharging port; 18. discharging device; 1801. supporting plate; 1802. automatic telescopic rod; 1803. third motor; 1804. blocking plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 The utility model provides a technical solution: a reaction kettle for the production of polyurethane hot melt adhesive which is convenient for discharging, comprising a base 1, a first motor 2, a rotating rod 3, a screw rod 4, a bottom plate 5, a fixing block 6, a reaction kettle body 7, a limiting rod 8, a top cover 9, a sealing ring 10, a rotating device 11, a bracket 1101, a second motor 1102, a first gear 1103, a second gear 1104, a third gear 1105, a locking block 12, a stirring rod 13, a connecting rod 14, a scraper 15, a feeding pipe 16, a discharging port 17, a discharging device 18, a supporting plate 1801, an automatic telescopic rod 1802, a third motor 1803 and a blocking plate 1804.

[0026] A first motor 2 is fixedly connected to the left end of the upper surface of the base 1, and a rotating rod 3 is fixedly connected to the output shaft of the first motor 2. The bottom surface of the rotating rod 3 fits the upper surface of the base 1. A screw rod 4 is fixedly connected to the top of the rotating rod 3. A bottom plate 5 is fixedly connected to the connection between the rotating rod 3 and the screw rod 4. A fixing block 6 is threadedly connected to the outer side of the screw rod 4. A reactor body 7 is fixedly connected to the inner side of the fixing block 6. The middle parts of the left and right rear sides of the reactor body 7 are fixedly connected to the fixing blocks 6. A limiting rod 8 is fixedly connected to the right and rear sides of the upper surface of the base 1. The fixing blocks 6 on the right and rear sides of the reactor body 7 are slidably connected to the limiting rod 8. The bottom plate 5 is fixedly connected to the limiting rod 8 on the right and rear sides. The output shaft of the first motor 2 rotates with the rotating rod 3 and the screw rod 4, so that the reactor body 7 moves up and down on the screw rod 4. The limiting rod 8 is used to limit the rotation of the reactor body 7, and the bottom plate 5 is used to limit the lowest position of the movement of the reactor body 7.

[0027] The upper surface of the reactor body 7 is connected with a top cover 9 in a snap-fitting manner, and a sealing ring 10 is fixedly connected to the outer end of the lower surface of the top cover 9. The outer side surface of the sealing ring 10 fits with the inner side surface of the upper end of the reactor body 7. A rotating device 11 is fixedly connected to the middle part of the upper surface of the reactor body 7. The rotating device 11 is composed of a bracket 1101, a second motor 1102, a first gear 1103, a second gear 1104 and a third gear 1105. The bracket 1101 is fixedly connected to the upper surface of the top cover 9, and the lower surface on the left side of the top of the bracket 1101 is fixedly connected to the second motor 1102. The output shaft of the second motor 1102 is fixedly connected to the first gear 1103, and the right side of the first gear 1103 is meshed with the second gear 1104, and the right side of the second gear 1104 is meshed with the third gear 1105. The first gear 1103 and the third gear 1105 are meshed together. The middle part of the bottom end of the gear 1105 is fixedly connected with a snap-fit ​​block 12, the upper end of the snap-fit ​​block 12 passes through the top cover 9, the bottom end of the snap-fit ​​block 12 is snap-fitted with a stirring rod 13, the left and right ends of the inner side of the bottom end of the reactor body 7 are provided with snap-fit ​​grooves, the bottom end of the stirring rod 13 is snap-fitted and connected in the snap-fit ​​grooves provided on the left and right ends of the inner side of the bottom end of the reactor body 7, the middle part of the bottom end of the second gear 1104 is fixedly connected with a connecting rod 14, the bottom end of the connecting rod 14 is fixedly connected with a scraper 15, the output shaft of the second motor 1102 rotates with the first gear 1103, the second gear 1104 and the third gear 1105 rotate with the first gear 1103, the first gear 1103, the second gear 1104 and the third gear 1105 rotate with the stirring rod 13 and the scraper 15, and the stirring rod 13 stirs and mixes the materials inside the reactor body 7;

[0028] A feed pipe 16 is fixedly connected to the top left side of the reactor body 7, a switch valve is fixedly connected inside the feed pipe 16, the polyurethane material enters the reactor body 7 from the feed pipe 16, a discharge port 17 is opened in the middle of the bottom end of the reactor body 7, a discharge device 18 is fixedly connected to the middle of the lower surface of the reactor body 7, the discharge device 18 is composed of a support plate 1801, an automatic telescopic rod 1802, a third motor 1803 and a blocking plate 1804, the bottom end of the support plate 1801 is fixedly connected to the right end of the middle of the lower surface of the reactor body 7, the upper surface of the bottom end of the support plate 1801 is fixedly connected to the automatic telescopic rod 1802, the output end of the automatic telescopic rod 1802 is fixedly connected to the third motor 1803, the output shaft of the third motor 1803 is fixedly connected to the blocking plate 1804, the upper outer side surface of the blocking plate 1804 is in contact with the inner side surface of the bottom end of the discharge port 17, and the upper end of the blocking plate 1804 The bottom end of the discharge port 17 is blocked to prevent the material from being discharged from the discharge port 17 during the reaction. The output end of the automatic telescopic rod 1802 moves up and down with the third motor 1803 and the blocking plate 1804, and the output shaft of the third motor 1803 rotates with the blocking plate 1804. The output end of the automatic telescopic rod 1802 moves downward with the third motor 1803 and the blocking plate 1804, and the output shaft of the third motor 1803 rotates with the blocking plate 1804, so that the bottom end of the discharge port 17 can leak out, and the material is discharged from the discharge port 17. The bottom surface of the scraper 15 is in contact with the inner side surface of the discharge port 17 and the middle part of the bottom upper surface of the reactor body 7. The scraper 15 hangs the material on the discharge port 17 to prevent the discharge port 17 from being blocked. The above completes a series of operations of the reactor for the production of polyurethane hot melt adhesive that is easy to discharge. The content not described in detail in this description belongs to the prior art known to professional and technical personnel in this field.

[0029] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A reaction kettle for producing polyurethane hot melt adhesive which is convenient for discharging, comprising a base (1), a rotating device (11) and a discharging device (18), characterized in that: A first motor (2) is fixedly connected to the interior of the left upper end of the base (1), and the output shaft of the first motor (2) is fixedly connected to a rotating rod (3), a screw rod (4) is fixedly connected to the top end of the rotating rod (3), and a bottom plate (5) is fixedly connected to the outside of the connection between the rotating rod (3) and the screw rod (4), a fixed block (6) is threadedly connected to the outside of the screw rod (4), and a reactor body (7) is fixedly connected to the inside of the fixed block (6), and a limit rod (8) is fixedly connected to the right rear end of the upper surface of the base (1); The upper surface of the reactor body (7) is snap-connected with a top cover (9), and the outer end of the lower surface of the top cover (9) is fixedly connected with a sealing ring (10), and the middle part of the upper surface of the top cover (9) is fixedly connected with a rotating device (11), the bottom surface of the rotating device (11) is fixedly connected with a snap-fit ​​block (12), and the bottom end of the snap-fit ​​block (12) is snap-connected with a stirring rod (13), the middle part of the bottom end of the rotating device (11) is fixedly connected with a connecting rod (14), and the bottom end of the connecting rod (14) is fixedly connected with a scraper (15), the upper left end of the reactor body (7) is fixedly connected with a feeding pipe (16), the bottom end of the reactor body (7) is provided with a discharge port (17), and the middle part of the lower surface of the reactor body (7) is fixedly connected with a discharge device (18).

2. A reaction kettle for producing polyurethane hot melt adhesive that is easy to discharge according to claim 1, characterized in that: The middle parts of the left and right rear sides of the reactor body (7) are fixedly connected with fixed blocks (6), and the middle parts of the fixed blocks (6) on the right and rear sides of the reactor body (7) are slidably connected with the limiting rod (8).

3. A reaction kettle for producing polyurethane hot melt adhesive that is easy to discharge according to claim 1, characterized in that: The rotating device (11) is composed of a bracket (1101), a second motor (1102), a first gear (1103), a second gear (1104) and a third gear (1105); the second motor (1102) is fixedly connected to the lower surface on the left side of the top end of the bracket (1101); the output shaft of the second motor (1102) is fixedly connected to the first gear (1103); the right side of the first gear (1103) is meshedly connected to the second gear (1104); and the right side of the second gear (1104) is meshedly connected to the third gear (1105).

4. A reaction kettle for producing polyurethane hot melt adhesive that is easy to discharge according to claim 3, characterized in that: The middle parts of the bottom ends of the first gear (1103) and the third gear (1105) are fixedly connected to the upper surface of the locking block (12).

5. A reaction kettle for producing polyurethane hot melt adhesive that is easy to discharge according to claim 3, characterized in that: The bottom end of the second gear (1104) is fixedly connected to the top end of the connecting rod (14).

6. A reaction kettle for producing polyurethane hot melt adhesive that is easy to discharge according to claim 1, characterized in that: The discharging device (18) is composed of a support plate (1801), an automatic telescopic rod (1802), a third motor (1803) and a blocking plate (1804); the upper surface of the bottom end of the support plate (1801) is fixedly connected to the automatic telescopic rod (1802), the output end of the automatic telescopic rod (1802) is fixedly connected to the third motor (1803), and the output shaft of the third motor (1803) is fixedly connected to the blocking plate (1804).

7. A reaction kettle for producing polyurethane hot melt adhesive that is easy to discharge according to claim 6, characterized in that: The top outer side surface of the blocking plate (1804) fits with the bottom inner side surface of the discharge port (17).

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