Automatic feeding device for EPP plastic preparation

Abstract

The automatic feeding device comprises a material bin, a first motor and a first dragging wheel, a feeding port is formed in the upper surface of the material bin, the first motor is installed on the lower surface of the material bin, a second motor is installed on the side surface of the material bin, and a partition plate is fixedly installed on the inner wall of the material bin. According to the automatic feeding device for EPP plastic preparation, a second motor drives a threaded rod, the threaded rod drives a second baffle, the second baffle moves inwards, a partition plate hole is opened, a first motor drives a rotating disc and a conveying pipe, a first baffle is clamped with a clamping block, the first baffle is lifted, the conveying pipe conveys raw materials into a feeding pipe, and a third motor drives a spiral blade rotating shaft; and a motor III drives a dragging wheel I, the dragging wheel I drives a dragging wheel II, a rotating shaft I drives a bevel gear I, the bevel gear I drives a bevel gear II, the bevel gear II drives a rotating shaft II, the rotating shaft II drives a conveying wheel, the conveying wheel conveys out the raw materials, and quantitative feeding is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic preparation, in particular to an automatic feeding device for EPP plastic preparation. Background Art

[0002] EPP is the abbreviation of expanded polypropylene, which is the abbreviation of a new type of foam plastic. EPP is a polypropylene plastic foam material, a high-crystalline polymer and gas composite material with excellent performance. With its unique and superior performance, it has become the fastest growing new environmentally friendly pressure-resistant buffer insulation material. EPP is also an environmentally friendly material that can be recycled and reused. Generally, EPP beads must be pressurized in a pressure tank first, and then compressed air is injected into the mold of the EPP molding machine through a spray gun. Steam is introduced to make the EPP beads further expand and the surfaces are welded together to form. The existing automatic feeding device is prone to friction damage between the raw materials and the warehouse wall when feeding, and the existing automatic feeding device is integrated with the feeding and discharging of materials, and cannot be stopped alone, and cannot be quantitatively fed. The existing automatic feeding device has a large conveying volume and is prone to blockage. Utility Model Content

[0003] The utility model aims to provide an automatic feeding device for preparing EPP plastics, so as to solve the problems in the above-mentioned background technology that quantitative feeding cannot be performed and the feeding device has a large conveying volume and is easy to be blocked.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic feeding device for preparing EPP plastic, comprising a material chamber, a motor and a traction wheel, the upper surface of the material chamber is provided with a feeding port, the lower surface of the material chamber is equipped with a motor, the side surface of the material chamber is equipped with a motor, a partition plate is fixedly installed on the inner wall of the material chamber, and the surface of the partition plate is provided with holes, a card block is embeddedly installed on the side of the material chamber, the lower end side surface of the material chamber is provided with an outlet, the outlet of the material chamber is equipped with a feeding pipe, and the lower surface of the material chamber is equipped with a support rod.

[0005] Preferably, a traction wheel is installed on the outer surface of the output shaft of the motor, a rotating disk is fixedly installed on the upper end of the output shaft of the motor, a conveying pipe is installed inside the rotating disk, a baffle is embedded on the upper surface of the rotating disk, and the baffle is connected to the rotating disk with a spring, an arc groove is provided on the side of the baffle, and the arc groove on the side of the baffle engages with the clamping block.

[0006] By adopting the above technical solution, motor 1 drives the rotating disk to rotate, the rotating disk drives the conveying tube to rotate, the conveying tube drives baffle 1 to rotate, baffle 1 is engaged with the clamping block, and the clamping block lifts baffle 1 through the arc clamping groove on the surface of baffle 1.

[0007] Preferably, a threaded rod is fixedly mounted on the output shaft of the second motor, and the threaded rod is embedded in the interior of the partition plate. A baffle plate 2 is mounted on the outer surface of one threaded end of the threaded rod, and the baffle plate 2 is embedded in the interior of the partition plate.

[0008] By adopting the above technical solution, the second motor rotates, the second motor drives the threaded rod to rotate, the threaded rod drives the second baffle plate, and the second baffle plate moves toward the inside of the partition plate.

[0009] Preferably, a motor three is installed on the lower surface of the feed pipe, a spiral blade shaft is fixedly installed on the output shaft of the motor three, a discharge pipe is installed on the upper side surface of the feed pipe, a transmission wheel is installed on the lower wall of the discharge pipe, and the transmission wheels are interconnected by belts.

[0010] By adopting the above technical solution, the motor three rotates, and the motor three drives the spiral blade shaft to rotate.

[0011] Preferably, a rotating shaft 1 is embedded in the lower surface of the feed pipe, a traction wheel 2 is installed on the outer surface of the rotating shaft 1, and the traction wheel 2 is connected to the traction wheel 1 by a belt, a bevel gear 1 is installed on the upper end of the rotating shaft 1, a bevel gear 2 is installed on the side of the bevel gear 1, and the bevel gear 1 is meshed with the bevel gear 2, a rotating shaft 2 is installed through the bevel gear 2, and the rotating shaft 2 is connected to the transmission wheel by a belt.

[0012] By adopting the above technical solution, motor three rotates, motor three drives traction wheel one to rotate, traction wheel one drives traction wheel two to rotate, traction wheel two drives shaft one to rotate, shaft one drives bevel gear one to rotate, bevel gear one drives bevel gear two to rotate, bevel gear two drives shaft two to rotate, and shaft two drives the transmission wheel to rotate.

[0013] Preferably, a pressure plate is embedded in the lower surface of the feed pipe, and a spring is connected between the pressure plate and the feed pipe. A switch is installed on the upper surface of the end of the support rod, and the switch is located below the pressure plate. The switch is connected to motor 1.

[0014] By adopting the above technical solution, the weight of the raw material decreases and the pressure plate touches the switch, which turns off the motor.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the automatic feeding device for preparing EPP plastics:

[0016] 1. Turn on motor 2, which drives the threaded rod, which drives baffle 2, which moves inward to open the hole of the partition plate, and the raw materials enter the conveying pipe. Motor 1 drives the rotating disk, which drives the conveying pipe to rotate, baffle 1 engages with the card block, and the card block lifts baffle 1, and the conveying pipe sends the raw materials into the feeding pipe. Motor 3 drives the spiral blade shaft to rotate, and the spiral blade shaft rotates to send the raw materials into the discharging pipe. Motor 3 drives traction wheel 1, which drives traction wheel 1 to rotate traction wheel 2, which drives traction wheel 2 to rotate, which drives shaft 1, which drives bevel gear 1 to rotate, which drives bevel gear 2 to rotate, which drives shaft 2, which drives the transmission wheel to rotate, and the transmission wheel rotates to send the raw materials out of the discharging pipe to achieve quantitative feeding.

[0017] 2. Turn on motor 2, which drives the threaded rod, which drives baffle 2, which moves inward, and the raw materials enter the conveying pipe for quantitative delivery. Turn on motor 1, which drives the rotating disk, which drives the conveying pipe. Baffle 1 is installed at the lower end of the conveying pipe to prevent the raw materials in the conveying pipe from rubbing against the inner wall of the material cabin;

[0018] 3. As the weight of the raw materials decreases, the pressure plate touches and presses the switch. The switch turns off motor one, and motor one stops rotating. Motor one drives the rotating disk and the conveying pipe to stop rotating. All the raw materials in the conveying pipe enter the feed pipe. Motor three drives the spiral blade shaft to rotate, and the spiral blade shaft conveys the bottom raw materials upward. After the raw materials are conveyed, the pressure plate rises due to the spring force, the pressure plate releases the switch, and motor one starts working again, so that only one tube of material is fed at a time, and it is not easy to get blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the side sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the connection structure between the bevel gear 2 and the rotating shaft 2 of the utility model;

[0022] Figure 4 This is a schematic diagram of the top cross-sectional structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the utility model in a bottom-up sectional view.

[0024] In the figure: 1. material compartment; 2. motor 1; 3. traction wheel 1; 4. rotating disk; 5. conveying pipe; 6. baffle 1; 7. block; 8. switch; 9. partition plate; 10. motor 2; 11. threaded rod; 12. baffle 2; 13. feed pipe; 14. pressure plate; 15. motor 3; 16. spiral blade shaft; 17. traction wheel 2; 18. shaft 1; 19. bevel gear 1; 20. bevel gear 2; 21. shaft 2; 22. discharge pipe; 23. conveying wheel; 24. support rod. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-5 The utility model provides a technical solution: an automatic feeding device for EPP plastic preparation, comprising a material cabin 1, a motor 2, a traction wheel 3, a rotating disk 4, a conveying pipe 5, a baffle 1 6, a block 7, a switch 8, a partition plate 9, a motor 2 10, a threaded rod 11, a baffle 2 12, a feed pipe 13, a pressure plate 14, a motor 3 15, a spiral blade shaft 16, a traction wheel 2 17, a shaft 1 18, a bevel gear 1 19, a bevel gear 20, a shaft 2 21, a discharge pipe 22, a conveying wheel 23 and a support rod 24. The upper surface of the material cabin 1 is provided with a feed port, the lower surface of the material cabin 1 is equipped with a motor 2, the side surface of the material cabin 1 is equipped with a motor 2, the inner wall of the material cabin 1 is fixedly installed with a partition plate 9, and the surface of the partition plate 9 is provided with holes, a block 7 is embedded and installed on the side of the material cabin 1, the lower end side surface of the material cabin 1 is provided with an outlet, the outlet of the material cabin 1 is equipped with a feed pipe 13, and the lower surface of the material cabin 1 is equipped with a support rod 24.

[0027] A traction wheel 3 is installed on the outer surface of the output shaft of the motor 2, a rotating disk 4 is fixedly installed on the upper end of the output shaft of the motor 2, a conveying pipe 5 is installed inside the rotating disk 4, a baffle 6 is embedded on the upper surface of the rotating disk 4, and the baffle 6 is connected to the rotating disk 4 with a spring, an arc groove is provided on the side of the baffle 6, and the arc groove on the side of the baffle 6 is engaged with the block 7, the upper end of the rotating disk 4 passes through the partition plate 9, and a convex block is provided on the upper end of the rotating disk 4, the motor 2 drives the rotating disk 4, the rotating disk 4 drives the conveying pipe 5 to rotate, the conveying pipe 5 drives the baffle 6, the baffle 6 engages with the block 7, the block 7 lifts the baffle 6, the obstruction is lost, and the raw materials are delivered.

[0028] The output shaft of motor 2 10 is fixedly installed with a threaded rod 11, and the threaded rod 11 is embedded in the partition plate 9. A baffle 2 12 is installed on the outer surface of one threaded end of the threaded rod 11, and the baffle 2 12 is embedded in the partition plate 9. Motor 2 10 drives the threaded rod 11, and the threaded rod 11 drives the baffle 2 12. The baffle 2 12 moves toward the inside of the partition plate 9, opens the hole on the surface of the partition plate 9, and the raw materials flow out.

[0029] A motor 3 15 is installed on the lower surface of the feed pipe 13, and a spiral blade shaft 16 is fixedly installed on the output shaft of the motor 3 15. A discharge pipe 22 is installed on the upper end side surface of the feed pipe 13, and a transmission wheel 23 is installed on the lower wall of the discharge pipe 22. The transmission wheels 23 are interconnected by belts. The motor 3 15 drives the spiral blade shaft 16, and the spiral blade shaft 16 delivers the raw materials into the discharge pipe 22.

[0030] A rotating shaft 18 is embeddedly installed on the lower surface of the feed pipe 13, and a traction wheel 2 17 is installed on the outer surface of the rotating shaft 18, and the traction wheel 2 17 is connected to the traction wheel 3 by a belt. A bevel gear 19 is installed on the upper end of the rotating shaft 18, and a bevel gear 20 is installed on the side of the bevel gear 19, and the bevel gear 19 is meshed with the bevel gear 20. A rotating shaft 21 is installed through the bevel gear 20, and the rotating shaft 21 is connected to the transmission wheel 23 by a belt. The motor 3 15 drives the traction wheel 13, the traction wheel 13 drives the traction wheel 2 17, the traction wheel 2 17 drives the rotating shaft 18, the rotating shaft 18 drives the bevel gear 19, the bevel gear 19 drives the bevel gear 20, and the bevel gear 20 drives the transmission wheel 23 to rotate, and the transmission wheel 23 rotates to send the raw material out of the discharge pipe 22.

[0031] A pressure plate 14 is embedded in the lower surface of the feed pipe 13, and a spring is connected between the pressure plate 14 and the feed pipe 13. A switch 8 is installed on the upper surface of the end of the support rod 24, and the switch 8 is located below the pressure plate 14. The switch 8 is connected to the motor 2. As the weight of the raw material decreases, the pressure plate 14 touches the switch 8, and the switch 8 turns off the motor 2, and the motor 2 stops rotating. The motor 2 drives the rotating disk 4 and the conveying pipe 5 to stop rotating.

[0032] Working principle: When the EPP plastic is used to prepare an automatic feeding device, turn on the motor 2 10, the motor 2 10 rotates, the motor 2 10 drives the threaded rod 11 to rotate, the threaded rod 11 drives the baffle 2 12, the baffle 2 12 moves to the inside of the partition plate 9, open the holes on the surface of the partition plate 9, and the raw materials flow into the conveying pipe 5 through the holes to control the displacement. The baffle 16 at the lower end of the conveying pipe 5 prevents the raw materials from rubbing against the inner wall of the material chamber 1. Turn on the motor 12, the motor 12 drives the rotating disk 4 to rotate, and the rotating disk 4 drives the conveying pipe 5 to rotate. When the conveying pipe 5 rotates to the outlet, the baffle 16 engages with the card block 7, and the card block 7 lifts the baffle 16 through the arc card groove on the surface of the baffle 16. The raw materials are fed into the feeding pipe 13 through the conveying pipe 5. The pressure plate 14 drops due to the weight of the raw materials, and the pressure plate 14 touches the switch 8. The switch 8 turns off the motor 12, and the motor 12 stops rotating. The motor 12 drives the rotation The disk 4 and the conveying pipe 5 stop rotating, and all the raw materials in the conveying pipe 5 enter the feed pipe 13, and the motor three 15 is turned on. The motor three 15 drives the spiral blade shaft 16 to rotate, and the spiral blade shaft 16 drives the raw materials to rotate and rise, and the raw materials are sent into the discharge pipe 22 through the opening of the feed pipe 13. After the raw materials under the feed pipe 13 are transported, the pressure plate 14 rises due to the elastic force of the spring, and the motor one 2 is turned on. The motor one 2 drives the rotating disk 4 and the conveying pipe 5 to continue to rotate and transport, and the motor three 15 drives the traction wheel one 3 to rotate, and the traction wheel one 3 pulls the traction wheel two 17 to rotate, and the traction wheel two 17 drives the bevel gear one 19 to rotate, and the bevel gear one 19 drives the bevel gear two 20 to rotate, and the bevel gear two 20 drives the rotating shaft two 21 to rotate, and the rotating shaft two 21 drives the transmission wheel 23 to rotate, and the transmission wheel 23 rotates to send the raw materials out of the discharge pipe 22, thereby realizing automatic loading and increasing the overall practicality.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic feeding device for preparing EPP plastics, comprising a material cabin (1), a motor (2) and a traction wheel (3), characterized in that: The upper surface of the material tank (1) is provided with a feed port, the lower surface of the material tank (1) is equipped with a motor 1 (2), the side surface of the material tank (1) is equipped with a motor 2 (10), the inner wall of the material tank (1) is fixedly equipped with a partition plate (9), and the surface of the partition plate (9) is equipped with holes, a clamping block (7) is embedded in the side of the material tank (1), the lower end side surface of the material tank (1) is provided with an outlet, the outlet of the material tank (1) is equipped with a feed pipe (13), and the lower surface of the material tank (1) is equipped with a support rod (24); A rotating disk (4) is fixedly mounted on the upper end of the output shaft of the motor (2), a conveying pipe (5) is mounted inside the rotating disk (4), a baffle (6) is embeddedly mounted on the upper surface of the rotating disk (4), and a spring is connected between the baffle (6) and the rotating disk (4), a circular arc groove is arranged on the side of the baffle (6), and the circular arc groove on the side of the baffle (6) is engaged with a clamping block (7); The output shaft of the second motor (10) is fixedly mounted with a threaded rod (11), and the threaded rod (11) is embedded in the interior of the partition plate (9). The outer surface of one threaded end of the threaded rod (11) is mounted with a second baffle plate (12), and the second baffle plate (12) is embedded in the interior of the partition plate (9).

2. The automatic feeding device for preparing EPP plastic according to claim 1, characterized in that: A motor three (15) is installed on the lower surface of the feed pipe (13), and a spiral blade rotating shaft (16) is fixedly installed on the output shaft of the motor three (15). A discharge pipe (22) is installed on the upper end side surface of the feed pipe (13), and a transmission wheel (23) is installed on the lower wall of the discharge pipe (22), and the transmission wheels (23) are connected to each other by belts.

3. The automatic feeding device for preparing EPP plastic according to claim 2, characterized in that: A rotating shaft 1 (18) is embeddedly mounted on the lower surface of the feeding pipe (13), a traction wheel 2 (17) is mounted on the outer surface of the rotating shaft 1 (18), and the traction wheel 2 (17) is connected to the traction wheel 1 (3) by a belt, a bevel gear 1 (19) is mounted on the upper end of the rotating shaft 1 (18), a bevel gear 2 (20) is mounted on the side of the bevel gear 1 (19), and the bevel gear 1 (19) is meshed with the bevel gear 2 (20), a rotating shaft 2 (21) is mounted through the bevel gear 2 (20), and the rotating shaft 2 (21) is connected to the transmission wheel (23) by a belt.

4. The automatic feeding device for preparing EPP plastic according to claim 1, characterized in that: A pressure plate (14) is embedded in the lower surface of the feed pipe (13), and a spring is connected between the pressure plate (14) and the feed pipe (13). One end of the pressure plate (14) passes through the outer surface of the feed pipe (13). A switch (8) is installed on the upper surface of the end of the support rod (24), and the switch (8) is located below the pressure plate (14).

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