Dehydration device for hot melt adhesive production

Abstract

The utility model discloses a dewatering device for hot melt adhesive production, relates to the technical field of dewatering for hot melt adhesive production, and aims at solving the problems that in the centrifugal dewatering process in the prior art, colloidal particles block screen holes in the inner wall of a drum screen, and the dewatering effect of dewatering equipment on hot melt colloidal particles is affected. A centrifugal mechanism used for dewatering colloidal particles is arranged in the screen drum, dewatering of the colloidal particles is completed through the arrangement of the centrifugal mechanism, and an anti-blocking component used for cleaning the colloidal particles attached to the inner wall when the colloidal particles are dewatered is arranged in the screen drum. The two sides of a rod body of the transmission rod are each provided with a direction limiting assembly for limiting the axial movement track of the transmission block, and the other end of the two-way lead screw is provided with a driving assembly used for providing supporting and power for the two-way lead screw. The problem that in the prior art, when colloidal particles are dewatered, the dewatering effect of other colloidal particles attached to the inner wall of the screen drum is affected is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot melt adhesive production dehydration, in particular to a dehydration device for hot melt adhesive production. Background Art

[0002] In the prior art, in the process of preparing hot-melt rubber pellets, an underwater pelletizing preparation process is often adopted, and then a centrifugal dehydration device is used to dehydrate the hot-melt rubber pellets. The hot-melt rubber pellets are attached to the inner wall of the drum screen due to the centrifugal force of the high-speed rotation of the drum screen, and the water on the rubber pellets is thrown out of the drum screen through the sieve holes. However, during the centrifugal dehydration process, the rubber pellets block the sieve holes on the inner wall of the drum screen, affecting the dehydration effect of the dehydration device on the hot-melt rubber pellets.

[0003] Therefore, a dehydration device for hot melt adhesive production is needed to solve the problem in the prior art that hot melt adhesive particles adhere to the centrifugal screen during dehydration, blocking the centrifugal screen and affecting the dehydration effect of the hot melt adhesive. Utility Model Content

[0004] In order to solve the above technical problems, a dehydration device for hot melt adhesive production is provided, which solves the problem in the prior art that hot melt adhesive particles adhere to the centrifugal drum screen during dehydration, blocking the centrifugal drum screen and affecting the dehydration effect of the hot melt adhesive.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a dehydration device for hot melt adhesive production, comprising a tank body, a tank cover detachably arranged on the open mouth of the tank body, and a feed hopper fixedly penetrating one side of the top of the tank cover, wherein a centrifugal mechanism for dehydrating the glue particles is arranged in the tank body;

[0006] The centrifugal mechanism comprises a screen drum rotatably arranged in the tank body, a feed ring rotatably sleeved on the top of the outer periphery of the screen drum, and a discharge port connected and fixed to the outer periphery of the feed ring, the end of the discharge port passes through the tank body, a feed port connected to the inner groove of the feed ring is provided on the top of the outer periphery of the screen drum, a feed chute is connected to the side of the feed port away from the feed ring, the feed chute is spirally arranged along the inner wall of the screen drum from bottom to top, a plurality of screen holes are provided on the inner wall of the screen drum, and a feed port corresponding to the discharge end of the feed hopper is provided on the top surface of the screen drum, and an anti-blocking component for cleaning the rubber particles attached to the inner wall when the rubber particles are dehydrated is provided in the screen drum;

[0007] The anti-blocking component includes a two-way lead screw vertically arranged at the bottom of the inner wall of the screen drum, two transmission rods threadedly connected to the two ends of the two-way lead screw body, and two support rods symmetrically arranged on both sides of the transmission rod, the two transmission rods and the two ends of the two support rods are hinged with connecting rods, brushes are fixed on the side of the support rod away from the transmission rod, and limiting components for limiting the axial movement trajectory of the transmission rod are arranged on both sides of the transmission rod body, one end of the two-way lead screw is rotatably connected to the bottom of the inner wall of the screen drum, and the other end of the two-way lead screw is provided with a driving component for providing support and power for the two-way lead screw.

[0008] Preferably, the driving assembly includes a T-shaped seat fixedly passing through the center of the top surface of the tank cover, a avoidance hole opened in the center of the top of the screen cylinder, and a driven rod rotatably passing through the center of the top surface of the T-shaped seat, one end of the driven rod is sleeved with a rotating disk, the other end of the driven rod is fixed to the top end of the bidirectional screw, and the outer bottom of the T-shaped seat is rotatably connected to the inner wall of the avoidance hole.

[0009] Preferably, the direction limiting assembly includes two I-shaped tubes respectively fixed in the inner walls of the two transmission rods and a telescopic tube 2 connected and fixed between the two I-shaped tubes. A telescopic tube 1 is also fixedly passed through the inner wall of the T-shaped seat, and the telescopic tube 1 is fixedly connected to the I-shaped tube above.

[0010] Preferably, both ends of the two groups of I-shaped tubes are provided with bell mouths, the small end of the bell mouth is connected to the I-shaped tube, and the large end of the bell mouth faces the bidirectional screw.

[0011] Compared with the prior art, the advantages of the utility model are:

[0012] (1) Through the setting of the centrifugal mechanism, when the hot melt rubber particles need to be dehydrated, the screen drum rotates forward, driving the rubber particles in the drum to adhere to the inner wall under the action of centrifugal force, and the water stains on the rubber particles are separated and the rubber particles are thrown out of the screen drum through the screen holes, thereby completing the dehydration of the rubber material. The screen drum is reversed and the dehydrated rubber particles are discharged and transported by the feeding slide.

[0013] (2) By setting up the anti-blocking component, the rubber particles on the inner wall of the screen drum are cleaned by a brush, so as to solve the problem that the rubber particles attached to the inner wall of the screen drum affect the dehydration effect of other rubber particles during dehydration in the prior art;

[0014] (3) By setting the bell mouth, when the bidirectional lead screw is rotated, an air pipe can be inserted into the end of the telescopic tube, and air can be inflated into the telescopic tube through the air pump. The air flow passes through the telescopic tube and is blown out through the bell mouth on the I-shaped tube, thereby blowing away the rubber particles splashed before and after the meshing range of the bidirectional lead screw and the transmission rod, thereby ensuring that the threaded meshing movement of the transmission rod and the bidirectional lead screw is not disturbed by the rubber particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the centrifugal structure of the utility model;

[0017] Figure 3 It is a cross-sectional schematic diagram of the internal structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the anti-blocking component of the utility model;

[0019] Figure 5 for Figure 3 Enlarged diagram of point A in the middle

[0020] The numbers in the figure are:

[0021] 1. Tank body; 2. Tank cover; 3. Feed hopper; 4. Drain port; 5. Motor; 6. Screen drum; 7. Feed ring; 8. Discharge port; 9. Avoidance hole; 10. Feed port; 11. Feed port; 12. Feed slide; 13. T-seat; 14. Rotating plate; 15. Follower rod; 16. Transmission rod; 17. Connecting rod; 18. Brush; 19. Support rod; 20. Telescopic tube 1; 21. Telescopic tube 2; 22. I-shaped tube; 23. Bidirectional screw; 24. Bell mouth. DETAILED DESCRIPTION

[0022] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0023] Reference Figures 1 to 5 As shown, a dehydration device for hot melt adhesive production comprises a tank body 1, a tank cover 2 detachably arranged on the open mouth of the tank body 1, and a feed hopper 3 fixedly penetrating through one side of the top of the tank cover 2, and a centrifugal mechanism for dehydrating the adhesive particles is arranged in the tank body 1;

[0024] The centrifugal mechanism includes a screen drum 6 rotatably arranged in the tank body 1, a feed ring 7 rotatably sleeved on the top of the outer periphery of the screen drum 6, and a discharge port 8 connected and fixed to the outer periphery of the feed ring 7. The end of the discharge port 8 passes through the tank body 1. A feed port 10 connected to the inner groove of the feed ring 7 is provided on the top of the outer periphery of the screen drum 6. A feed chute 12 is connected to the side of the feed port 10 away from the feed ring 7. The feed chute 12 is spirally arranged along the inner wall of the screen drum 6 from bottom to top. A plurality of screen holes are provided on the inner wall of the screen drum 6, and a feed port 11 corresponding to the discharge end of the feed hopper 3 is provided on the top surface of the screen drum 6.

[0025] Through the setting of the centrifugal mechanism, when the hot melt rubber particles need to be dehydrated, the rubber particles are poured from the feed hopper 3 into the screen drum 6 through the feed port 11. The screen drum 6 rotates forward, driving the rubber particles in the drum to adhere to the inner wall under the action of centrifugal force. The water stains on the rubber particles are separated from the rubber particles and thrown out of the screen drum 6 through the sieve holes, thereby completing the dehydration of the rubber material.

[0026] After the rubber material is dehydrated, the reverse rotation of the screen drum 6 drives the feeding chute 12, and the reverse centrifugal force causes the rubber particles to be sent along the feeding chute 12 through the discharge port 8 to the feeding trough of the feeding ring 7, and then discharged from the discharge port 8, thus completing the discharge and transportation of the dehydrated rubber particles.

[0027] Further, refer to Figure 1 and Figure 3 As shown, it is worth noting that a motor 5 is mounted on the bottom surface of the tank body 1 through a bracket, the output shaft of the motor 5 rotates and penetrates into the tank body 1 and is fixedly connected to the bottom surface of the screen drum 6, and a drain port 4 is opened at the bottom of the outer periphery of the tank body 1;

[0028] By setting the motor 5, the forward and reverse rotation of the screen drum 6 can be realized, and by setting the drain port 4, the accumulated water deposited in the tank body 1 can be discharged.

[0029] However, in practice, when the rubber particles are dehydrated, the rubber particles adhere to the inner wall of the sieve drum 6 due to the centrifugal force, causing the rubber particles to block the water holes on the inner wall of the sieve drum 6, thereby affecting the dehydration effect of other rubber particles.

[0030] To solve the above problems, refer to Figure 3 and Figure 4 As shown, it is worth noting that the screen cylinder 6 is provided with an anti-blocking component for cleaning the rubber particles attached to the inner wall when the rubber particles are dehydrated;

[0031] The anti-blocking component includes a bidirectional lead screw 23 vertically arranged at the bottom of the inner wall of the screen drum 6, two transmission rods 16 threadedly connected to the two ends of the rod body of the bidirectional lead screw 23, and two support rods 19 symmetrically arranged on both sides of the transmission rod 16, and the two transmission rods 16 and the two support rods 19 are hinged with connecting rods 17 at both ends, and the support rods 19 are fixed with brushes 18 on the side away from the transmission rod 16. Both sides of the rod body of the transmission rod 16 are provided with limiting components for limiting the axial movement trajectory of the transmission rod 16, one end of the bidirectional lead screw 23 is rotatably connected to the bottom of the inner wall of the screen drum 6, and the other end of the bidirectional lead screw 23 is provided with a driving component for providing support and power for the bidirectional lead screw 23;

[0032] By setting the anti-blocking component, when the rubber particles are dehydrated, the driving assembly is used to drive the bidirectional lead screw 23 to rotate forward, and the transmission rod 16 is driven to extend the bidirectional lead screw 23 to make relative movement under the restriction of the limiting assembly, and then the connecting rods 17 at both ends of the transmission rod 16 are pushed, so that the brush 18 on one side of the support rod 19 contacts the inner wall of the screen drum 6. Therefore, when the screen drum 6 rotates, the rubber particles on the inner wall of the screen drum 6 can be cleaned by the brush 18, which solves the problem that the rubber particles attached to the inner wall of the screen drum affect the dehydration effect of other rubber particles when the rubber particles are dehydrated in the prior art;

[0033] After the dehydration of the rubber particles is completed, when it is necessary to discharge the material, the driving component is used to reverse the bidirectional screw 23, the connecting rod 17 is retracted, and then the brush 18 on the support rod 19 is separated from the contact with the inner wall of the screen cylinder 6, so as to prevent the rubber particles from being swept off by the brush 18 when being transported on the feeding chute 12.

[0034] Further, refer to Figure 3 and Figure 4 It is worth noting that the driving assembly includes a T-shaped seat 13 fixedly passing through the center of the top surface of the tank cover 2, an avoidance hole 9 opened at the center of the top of the screen drum 6, and a driven rod 15 rotatably passing through the center of the top surface of the T-shaped seat 13, one end of the driven rod 15 is sleeved with a rotating disk 14, the other end of the driven rod 15 is fixed to the top of the bidirectional lead screw 23, and the outer bottom of the T-shaped seat 13 is rotatably connected to the inner wall of the avoidance hole 9;

[0035] By setting the driving assembly, the bottom end of the driven rod 15 can be driven by rotating the rotating disk 14, so as to realize the control of the forward and reverse rotation of the bidirectional lead screw 23.

[0036] Further, refer to Figure 3 and Figure 4 It is worth noting that the limiting assembly includes two I-shaped tubes 22 respectively fixedly disposed in the inner walls of the two transmission rods 16 and a telescopic tube 21 connected and fixed between the two I-shaped tubes 22. A telescopic tube 1 20 is also fixedly penetrated through the inner wall of the T-shaped seat 13, and the telescopic tube 1 20 is fixedly connected with the upper I-shaped tube 22.

[0037] By setting the limiting component, when the rotating disk 14 drives the transmission rod 16, the telescopic tube 1 20 and the telescopic tube 2 21 can be used to limit the movement direction of the transmission rod 16 to prevent the transmission rod 16 from rotating, so that the transmission rod 16 can only move axially along the bidirectional screw 23. At the same time, the transmission rod 16 controls the telescopic effect of the telescopic tube 1 20 and the telescopic tube 2 21 by using the I-shaped tube 22.

[0038] In subsequent production, it was found that when the bidirectional lead screw 23 and the transmission rod 16 were threadedly engaged, the rubber particles in the barrel splashed onto the thread teeth of the bidirectional lead screw 23 during rotation, causing the transmission rod 16 to get stuck during the meshing movement on the bidirectional lead screw 23.

[0039] To solve the above problems, refer to Figure 4 , Figure 5 It is worth noting that both ends of the two groups of I-shaped tubes 22 are provided with bell mouths 24, the small end of the bell mouth 24 is connected to the I-shaped tube 22, and the large end of the bell mouth 24 faces the bidirectional screw 23;

[0040] By setting the bell mouth 24, when the bidirectional lead screw 23 is rotated, an air pipe can be inserted into one end of the telescopic tube 20, and air is inflated into the telescopic tube 20 through an air pump. The air flow passes through the telescopic tube 20 and is blown out through the bell mouth 24 on the I-shaped tube 22, and then the rubber particles splashed to the front and rear of the meshing range of the bidirectional lead screw 23 and the transmission rod 16 are blown away, ensuring that the threaded meshing movement of the transmission rod 16 and the bidirectional lead screw 23 is not disturbed by the rubber particles.

[0041] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A dehydration device for hot melt adhesive production, characterized in that: It comprises a tank body (1), a tank cover (2) detachably arranged on the open mouth of the tank body (1), and a feed hopper (3) fixedly penetrating one side of the top of the tank cover (2); a centrifugal mechanism for dehydrating the colloid particles is arranged in the tank body (1); The centrifugal mechanism comprises a sieve drum (6) rotatably arranged in the tank body (1), a feed ring (7) rotatably sleeved on the top of the outer periphery of the sieve drum (6), and a discharge port (8) connected and fixed to the outer periphery of the feed ring (7); the end of the discharge port (8) passes through the tank body (1); the top of the outer periphery of the sieve drum (6) is provided with a feed port (10) connected to the inner groove of the feed ring (7); the side of the feed port (10) away from the feed ring (7) is connected to a feed slideway (12); the feed slideway (12) is spirally arranged from bottom to top along the inner wall of the sieve drum (6); the inner wall of the sieve drum (6) is provided with a plurality of sieve holes; and the top surface of the sieve drum (6) is provided with a feed port (11) corresponding to the discharge end of the feed hopper (3); and the sieve drum (6) is provided with an anti-blocking component for cleaning the rubber particles attached to the inner wall when the rubber particles are dehydrated; The anti-blocking component comprises a bidirectional lead screw (23) vertically arranged at the bottom of the inner wall of the sieve drum (6), two transmission rods (16) threadedly connected to the two ends of the rod body of the bidirectional lead screw (23), and two support rods (19) symmetrically arranged on both sides of the transmission rod (16), a brush (18) is fixed on the side of the support rod (19) away from the transmission rod (16), the two transmission rods (16) and the two ends of the two support rods (19) are hinged with connecting rods (17), both sides of the rod body of the transmission rod (16) are provided with a limiting component for limiting the axial movement trajectory of the transmission rod (16), one end of the bidirectional lead screw (23) is rotatably connected to the bottom of the inner wall of the sieve drum (6), and the other end of the bidirectional lead screw (23) is provided with a driving component for providing support and power for the bidirectional lead screw (23).

2. A dehydration device for hot melt adhesive production according to claim 1, characterized in that: The driving assembly comprises a T-shaped seat (13) fixedly passing through the center of the top surface of the tank cover (2), a avoidance hole (9) opened at the center of the top of the screen drum (6), and a driven rod (15) rotatably passing through the center of the top surface of the T-shaped seat (13), one end of the driven rod (15) is sleeved with a rotating disk (14), the other end of the driven rod (15) is fixed to the top of the bidirectional lead screw (23), and the outer bottom of the T-shaped seat (13) is rotatably connected to the inner wall of the avoidance hole (9).

3. A dehydration device for hot melt adhesive production according to claim 2, characterized in that: The direction limiting assembly comprises two I-shaped tubes (22) respectively fixedly arranged in the inner walls of the two transmission rods (16) and a telescopic tube 2 (21) connected and fixed between the two I-shaped tubes (22); a telescopic tube 1 (20) is also fixedly passed through the inner wall of the T-shaped seat (13), and the telescopic tube 1 (20) is fixedly connected with the I-shaped tube (22) above.

4. A dehydration device for hot melt adhesive production according to claim 3, characterized in that: Both ends of the two groups of I-shaped tubes (22) are provided with bell mouths (24), the small end of the bell mouths (24) is connected to the I-shaped tubes (22), and the large end of the bell mouths (24) faces the bidirectional screw (23).

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