A high-temperature rubber mixer for hot melt adhesive production and a rubber mixing method thereof

Abstract

The present invention relates to the field of hot melt adhesives, and in particular to a high-temperature rubber mixer for hot melt adhesive production and a rubber mixing method thereof. The high-temperature rubber mixer for hot melt adhesive production comprises a mixing box, a bottom plate, a bracket and a motor, wherein a bracket is fixed at the bottom of the mixing box, a bottom plate is arranged at the bottom of the mixing box, a motor is installed at the top of the mixing box, an adjusting component is arranged inside the mixing box, and the adjusting component is connected to the output shaft of the motor, a stirring component is symmetrically installed at the bottom of the adjusting component, a cavity is opened in the wall of the mixing box, and an electromagnetic heater is arranged in the cavity. The present invention uses a stirring component to stir the colloid, and the spacing between the stirring components is intermittently adjusted by the adjusting component, so as to achieve full stirring of the colloid, uniform rubber mixing, and high efficiency. In addition, a cylinder is used to directly push the bottom plate down, and the stirring component is reversed to achieve rapid discharge and reduce colloid adhesion.

Description

Technical Field

[0001] The invention relates to the field of hot melt adhesives, and in particular to a high-temperature rubber mixing machine and a rubber mixing method for hot melt adhesive production. Background Art

[0002] Hot melt adhesive is a plastic adhesive. Within a certain temperature range, its physical state changes with temperature, while its chemical properties remain unchanged. It is non-toxic and odorless and is an environmentally friendly chemical product.

[0003] There are many production processes for hot melt adhesives, and rubber refining is an important step. The raw materials need to be melted and mixed to form a uniform material. Traditionally, mixing is done through stirring equipment. Due to the high viscosity of the colloid, the traditional stirring equipment has low mixing efficiency, which reduces processing efficiency and makes discharging inconvenient. Summary of the invention

[0004] The high-temperature rubber mixing machine for hot melt adhesive production and the rubber mixing method thereof provided by the present invention include: a mixing box, a bottom plate, a bracket and a motor, wherein the bracket is fixed to the bottom of the mixing box, the bottom plate is arranged at the bottom of the mixing box, the top of the mixing box is installed with a motor, an adjusting component is arranged inside the mixing box, and the adjusting component is connected to the output shaft of the motor, a stirring component is symmetrically installed at the bottom of the adjusting component, a cavity is opened in the wall of the mixing box, and an electromagnetic heater is arranged in the cavity.

[0005] Preferably, the adjusting component comprises a large gear ring and a small gear ring, the large gear ring and the small gear ring are fixed to the inner wall of the mixing box, the output shaft of the motor is fixed to a base block, a lead screw is rotatably installed inside the base block, and a large gear and a small gear are respectively fixed to both ends of the lead screw.

[0006] Preferably, the inner diameter of the large gear ring is smaller than the inner diameter of the small gear ring, and the large gear and the small gear are aligned with the large gear ring and the small gear ring respectively.

[0007] Preferably, the circumference ratio of the large gear to the small gear is 2:1, and the circumference ratio of the large gear ring to the small gear ring is 2:1.

[0008] Preferably, guide pillars are symmetrically fixed on both sides of the base block, the stirring component is slidably connected to the guide pillars, and the stirring component is threadedly connected to the lead screw.

[0009] Preferably, the stirring component comprises a moving block, a connecting frame is fixed to the bottom of the moving block, a plug plate is fixed to the bottom of the connecting frame, and plate holes are evenly opened on the surface of the plug plate.

[0010] Preferably, cylinders are symmetrically fixed to the outer wall of the mixing box, the telescopic ends of the cylinders are fixedly connected to the bottom plate, and the fitting part between the edge of the bottom plate and the mixing box is in an inclined shape.

[0011] A high-temperature rubber mixing method for hot melt adhesive production, the specific steps are as follows:

[0012] 1) EVA with a weight component of 60, PE with a weight component of 28, and C5 petroleum resin with a weight component of 4 are mixed and put into a mixing box;

[0013] 2) turning on the electromagnetic heater to heat the stirring box, maintaining the temperature at 160-180° C. to melt the mixture in step 1, and turning on the motor to drive the stirring component to stir to form a substrate slurry;

[0014] 3) adding 5 weight components of Fotolate wax and 2 weight components of antioxidant into a stirring box, and continuously stirring for 20-25 minutes by a stirring component to prepare a raw material slurry;

[0015] 4) The raw material slurry is introduced into an extruder and extruded, then granulated by a granulator, and then dried by a dryer to form a hot melt adhesive solid product.

[0016] Compared with the related art, the high-temperature rubber mixing machine and rubber mixing method for hot melt adhesive production provided by the present invention have the following beneficial effects:

[0017] The present invention uses a stirring component to stir the colloid, and the spacing between the stirring components is intermittently adjusted by an adjusting component, thereby achieving full stirring of the colloid, uniform rubber refining, and high efficiency;

[0018] The present invention adopts a cylinder to directly push the bottom plate down, and cooperates with the reversal of the stirring component to realize rapid material discharge and reduce colloid adhesion. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the installation structure of the electromagnetic heater of the present invention;

[0021] Figure 3 It is a schematic diagram of the structure of the regulating component of the present invention;

[0022] Figure 4 It is a schematic diagram of the structure of the stirring component of the present invention.

[0023] Numbers in the figure: 1, mixing box; 2, bottom plate; 3, bracket; 4, cylinder; 5, motor; 6, stirring component; 61, moving block; 62, connecting frame; 63, plug plate; 64, plate hole; 7, adjusting component; 71, large gear ring; 72, small gear ring; 73, small gear; 74, large gear; 75, base block; 76, guide column; 77, screw; 8, cavity; 81, electromagnetic heater. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0026] See also Figures 1 to 4 The embodiment of the present invention provides a high-temperature rubber mixer for hot melt adhesive production and a rubber mixing method thereof. The high-temperature rubber mixer for hot melt adhesive production includes: a mixing box 1, a bottom plate 2, a bracket 3 and a motor 5. The bracket 3 is fixed to the bottom of the mixing box 1, the bottom of the mixing box 1 is provided with a bottom plate 2, the top of the mixing box 1 is installed with a motor 5, an adjusting component 7 is provided inside the mixing box 1, and the adjusting component 7 is connected to the output shaft of the motor 5, and a stirring component 6 is symmetrically installed at the bottom of the adjusting component 7, a cavity 8 is opened in the wall of the mixing box 1, and an electromagnetic heater 81 is provided in the cavity 8.

[0027] The interior of the mixing box 1 is heated by the electromagnetic heater 81, the mixed material is placed in the mixing box 1 to be melted, the stirring component 6 is driven by the motor 5 to rotate and mix it, and the spacing of the stirring component 6 is intermittently adjusted by the adjusting component 7 to achieve sufficient mixing and stirring.

[0028] See also Figure 3 and Figure 4 The adjusting component 7 includes a large gear ring 71 and a small gear ring 72. The large gear ring 71 and the small gear ring 72 are fixed to the inner wall of the mixing box 1. The output shaft of the motor 5 is fixed with a base block 75. A lead screw 77 is rotatably installed inside the base block 75. A large gear 74 and a small gear 73 are fixed at both ends of the lead screw 77.

[0029] The motor 5 drives the base block 75 to rotate, and the small gear 73 meshes with the small gear ring 72 and the large gear 74 meshes with the large gear ring 71 to make the lead screw 77 reciprocate, thereby driving the stirring component 6 to reciprocate, thereby achieving uniform stirring and mixing of the materials in the mixing box 1.

[0030] Among them, the inner diameter of the large gear ring 71 is smaller than the inner diameter of the small gear ring 72, the large gear 74 and the small gear 73 are aligned with the large gear ring 71 and the small gear ring 72 respectively, the circumference ratio of the large gear 74 and the small gear 73 is 2:1, and the circumference ratio of the large gear ring 71 and the small gear ring 72 is 2:1.

[0031] The small gear 73 is meshed with the small gear ring 72, and the large gear 74 is meshed with the large gear ring 71. The lead screw 77 reciprocates for the same number of circles, and the stirring component 6 has the same reciprocating path, so that the adjustment of the mixing component is more stable.

[0032] In addition, guide pillars 76 are symmetrically fixed on both sides of the base block 75, the stirring component 6 is slidably connected to the guide pillars 76, and the stirring component 6 is threadedly connected to the lead screw 77. The arrangement of the guide pillars 76 makes the reciprocating sliding of the stirring component 6 more stable.

[0033] See also Figure 4 The stirring component 6 includes a moving block 61, a connecting frame 62 is fixed to the bottom of the moving block 61, a plug plate 63 is fixed to the bottom of the connecting frame 62, and plate holes 64 are evenly opened on the surface of the plug plate 63.

[0034] The inclined setting of the insert plate 63 pushes the mixed material upward during the rotation process to achieve comprehensive stirring, and the reverse rotation during discharge causes the insert plate 63 to push the material downward, thereby improving the discharge efficiency;

[0035] The plate holes 64 are provided to increase the flow of the colloid, improve the stirring efficiency, and reduce the resistance of the colloid to the insert plate 63 .

[0036] See also Figure 1 and Figure 2 The outer wall of the mixing box 1 is symmetrically fixed with a cylinder 4, the telescopic end of the cylinder 4 is fixedly connected to the bottom plate 2, the edge of the bottom plate 2 and the fitting part of the mixing box 1 are in an inclined shape, and the bottom plate 2 is driven down by the cylinder 4 to open the bottom edge of the mixing box 1 to achieve efficient discharge.

[0037] A high-temperature rubber mixing method for hot melt adhesive production, the specific steps are as follows:

[0038] 1) EVA with a weight component of 60, PE with a weight component of 28, and C5 petroleum resin with a weight component of 4 are mixed and put into a mixing box 1;

[0039] 2) Turn on the electromagnetic heater 81 to heat the stirring box 1, and keep the temperature at 160-180° C. to melt the mixture in step 1, and turn on the motor 5 to drive the stirring component 6 to stir to form a substrate slurry;

[0040] 3) Adding the foto wax of weight component 5 and the antioxidant of weight component 2 into the stirring box 1, and continuously stirring for 20-25 minutes by the stirring component 6 to prepare a raw material slurry;

[0041] 4) The raw material slurry is introduced into an extruder and extruded, then granulated by a granulator, and then dried by a dryer to form a hot melt adhesive solid product.

Claims

1. A high-temperature rubber mixer for hot melt adhesive production, comprising: A stirring box (1), a bottom plate (2), a bracket (3) and a motor (5), wherein the bracket (3) is fixed at the bottom of the stirring box (1), the bottom plate (2) is arranged at the bottom of the stirring box (1), and the motor (5) is installed at the top of the stirring box (1), characterized in that an adjusting component (7) is arranged inside the stirring box (1), and the adjusting component (7) is connected to the output shaft of the motor (5), a stirring component (6) is symmetrically installed at the bottom of the adjusting component (7), a cavity (8) is opened in the wall of the stirring box (1), and an electromagnetic heater (81) is arranged in the cavity (8); The adjusting component (7) comprises a large gear ring (71) and a small gear ring (72); the large gear ring (71) and the small gear ring (72) are fixed to the inner wall of the mixing box (1); a base block (75) is fixed to the output shaft of the motor (5); a lead screw (77) is rotatably mounted inside the base block (75); a large gear (74) and a small gear (73) are respectively fixed to the two ends of the lead screw (77); The inner diameter of the large gear ring (71) is smaller than the inner diameter of the small gear ring (72), and the large gear (74) and the small gear (73) are aligned with the large gear ring (71) and the small gear ring (72) respectively; The circumference ratio of the large gear (74) to the small gear (73) is 2:1, and the circumference ratio of the large gear ring (71) to the small gear ring (72) is 2:

1.

2. The high temperature rubber mixer for hot melt adhesive production according to claim 1, characterized in that: Guide pillars (76) are symmetrically fixed on both sides of the base block (75), the stirring component (6) is slidably connected to the guide pillars (76), and the stirring component (6) is threadedly connected to the lead screw (77).

3. The high temperature rubber mixer for hot melt adhesive production according to claim 1, characterized in that: The stirring component (6) comprises a moving block (61), a connecting frame (62) is fixed at the bottom of the moving block (61), an inserting plate (63) is fixed at the bottom of the connecting frame (62), and plate holes (64) are evenly formed on the surface of the inserting plate (63).

4. The high temperature rubber mixer for hot melt adhesive production according to claim 1, characterized in that: The outer wall of the mixing box (1) is symmetrically fixed with a cylinder (4), the telescopic end of the cylinder (4) is fixedly connected to the bottom plate (2), and the contact portion between the edge of the bottom plate (2) and the mixing box (1) is in an inclined shape.

5. A high-temperature rubber mixing method using a high-temperature rubber mixing machine for hot melt adhesive production according to any one of claims 1 to 4, characterized in that: The specific steps are as follows: 1) 60 weight percent EVA, 28 weight percent PE, and 4 weight percent C5 petroleum resin are mixed and put into a mixing box (1); 2) turning on the electromagnetic heater (81) to heat the stirring box (1) and maintaining the temperature at 160-180° C. to melt the mixture in step 1, and turning on the motor (5) to drive the stirring component (6) to stir and form a substrate slurry; 3) Adding 5 weight components of Fotolate wax and 2 weight components of antioxidant into the mixing box (1), and continuously stirring for 20-25 minutes by means of the stirring component (6) to form a raw material slurry; 4) The raw material slurry is introduced into the extruder and extruded, then granulated by the granulator, and then dried by the dryer to form a hot melt adhesive solid product.

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