Weighing and proportioning device for rubber additive

Abstract

The utility model provides a rubber additive weighing and proportioning device which comprises a base, a plurality of rows of material boxes are fixedly installed on the base through a support, the front side of the bottom of each row of material box is in butt joint with a discharging barrel, spiral conveying blades are installed in the discharging barrels, lifting assemblies are installed on the two sides of the base, and the lifting assemblies are connected with the discharging barrels. A transverse moving assembly is installed between the lifting assemblies on the two sides, a weighing box is installed on the transverse moving assembly, a butt joint shaft capable of stretching and retracting longitudinally is installed on the top of the weighing box, the butt joint end of the butt joint shaft drives the spiral conveying blade to rotate through a butt joint assembly, and a weighing plate is installed at the inner bottom of the weighing box. The device can automatically complete the material taking process of various raw materials and additives, the material taking amount is easy to control, and the weighing ratio is accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber piece production, in particular to a weighing and proportioning device for rubber additives. Background Art

[0002] In the field of washing machine processing, most accessories in washing machines are made of rubber parts, such as water inlet and outlet pipes, foot nails, sealing strips, etc. These rubber parts need to be processed by equipment such as rubber mixing machines and vulcanizers. The raw materials need to be weighed and mixed before processing by the rubber mixing machine.

[0003] Currently, the proportioning of raw materials and additives requires manual extraction from the raw material box and weighing, which is slow. In addition, some additive powders are harmful to the human body and can be easily inhaled by manual extraction, affecting the health of workers. Utility Model Content

[0004] In view of the above problems, the utility model provides a weighing and proportioning device for rubber additives, which can automatically complete the material collection process of various raw materials and additives, with easy control of material collection amount and accurate weighing and proportioning.

[0005] In order to solve the above problems, the technical solution adopted by the present utility model is:

[0006] A weighing and proportioning device for rubber additives includes a base, on which multiple rows of material boxes are fixedly installed by brackets, a discharge barrel is docked on the front side of the bottom of each row of material boxes, a spiral conveying blade is installed in the discharge barrel, lifting components are installed on both sides of the base, a horizontal moving component is installed between the lifting components on both sides, a weighing box is installed on the horizontal moving component, a longitudinally retractable docking shaft is installed on the top of the weighing box, the docking end of the docking shaft drives the spiral conveying blade to rotate through the docking assembly, and a weighing plate is installed on the inner bottom of the weighing box.

[0007] Preferably, the lifting component is a vertical electric slide rail, the lateral moving component is a transverse electric slide rail, the sliding part of the vertical electric slide rail is fixedly connected to the corresponding end of the transverse electric slide rail, and a connecting arm is fixedly connected between the sliding part of the transverse electric slide rail and the weighing box.

[0008] Preferably, a mounting plate is fixedly mounted on the top of the rear side of the weighing box, a longitudinal cylinder is fixedly mounted on the mounting plate, a docking plate is fixedly mounted on the telescopic end of the cylinder, and the docking shaft is rotatably connected to the docking plate.

[0009] Preferably, a motor is installed on the docking plate, and the motor is connected to the docking shaft through a pair of gear transmissions.

[0010] Preferably, the docking assembly includes a circle of annular air cushion embedded in the end of the docking shaft, the surface of the annular air cushion is coated with an anti-slip layer, the front end blade shaft of the spiral conveying blade extends out of the discharge barrel and is fixedly connected to the docking barrel, the inner wall of the docking barrel is fixed with an anti-slip ring that cooperates with the annular air cushion, an air pump is installed on the docking plate, the air outlet end of the air pump is docked with the tail end of the docking shaft through a rotary joint, the interior of the docking shaft is hollow and connected to the annular air cushion.

[0011] Preferably, the front end bottom of the discharge barrel is connected to a discharge pipe.

[0012] The beneficial effects of the utility model are:

[0013] 1. By installing the lifting assembly, lateral movement assembly, multi-row material boxes and weighing box, the lateral movement assembly can drive the weighing box to move horizontally to the corresponding material box position through the connecting arm, and the lifting assembly can drive the lateral movement assembly to rise and fall, and then drive the weighing box to rise and fall to the height of the corresponding row direction, realizing the automatic material taking process of various raw materials or additives. The weighing plate can accurately weigh the amount of raw materials or additives added, and the ratio is accurate.

[0014] 2. By installing the air cylinder, docking shaft, air pump, docking tube, docking assembly and discharge tube, when the weighing box moves to the front of the corresponding material box, the docking shaft is aligned with the docking tube, and the air cylinder is started to drive the docking plate to move backward so that the docking shaft is inserted into the docking tube. The air pump is started and the annular air cushion is inflated through the hollow docking shaft to expand and press against the anti-slip ring. Under sufficient friction, the motor is started and the docking shaft is driven to rotate through a pair of gears, and then the spiral conveying blade can be driven to rotate synchronously through the docking tube. The number of rotations is proportional to the discharge amount, and the raw materials or additives in the corresponding material box can be transported out and fall into the weighing box through the discharge pipe, realizing rapid docking and easy control of the material amount. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is a side sectional schematic diagram of the weighing box proposed by the utility model;

[0017] Figure 3 This is a side sectional schematic diagram of the material box proposed by the utility model;

[0018] Figure 4 This is a schematic diagram of the docking state of the present invention.

[0019] In the figure: 1 base, 2 lifting assembly, 3 horizontal movement assembly, 4 connecting arm, 5 weighing box, 6 mounting plate, 7 material box, 8 discharge barrel, 9 docking barrel, 10 discharge pipe, 11 weighing plate, 12 cylinder, 13 docking plate, 14 motor, 15 air pump, 16 docking shaft, 17 gear, 18 annular air cushion, 19 anti-slip ring, 20 spiral conveyor blade. DETAILED DESCRIPTION

[0020] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without violating the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly attached to the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0022] Reference Figure 1-4 , a weighing and proportioning device for rubber additives, comprising a base 1, on which a plurality of rows of material boxes 7 are fixedly installed through a bracket, and a discharge cylinder 8 is docked at the front bottom side of each row of material boxes 7, and a spiral conveying blade 20 is installed in the discharge cylinder 8. Lifting components 2 are installed on both sides of the base 1, and a horizontal moving component 3 is installed between the lifting components 2 on both sides. A weighing box 5 is installed on the horizontal moving component 3. The lifting component 2 is a vertical electric slide rail, and the horizontal moving component 3 is a horizontal electric slide rail. The sliding part of the vertical electric slide rail is fixedly connected to the corresponding end of the horizontal electric slide rail, and a connecting arm 4 is fixedly connected between the sliding part of the horizontal electric slide rail and the weighing box 5. The horizontal moving component 3 can drive the weighing box 5 to move horizontally to the corresponding material box 7 position through the connecting arm 4, and the lifting component 2 can drive the horizontal moving component 3 to move up and down, and then drive the weighing box 5 to move up and down to the height of the corresponding row direction, thereby realizing the automatic material taking process of multiple raw materials or additives.

[0023] A longitudinally retractable docking shaft 16 is installed on the top of the weighing box 5. The docking end of the docking shaft 16 drives the spiral conveying blade 20 to rotate through the docking assembly. The front end bottom of the discharge cylinder 8 is docked with a discharge pipe 10. The spiral conveying blade 20 rotates synchronously, and the number of rotations is proportional to the discharge amount, thereby transporting the raw materials or additives in the corresponding material box 7 and dropping them into the weighing box 5 through the discharge pipe 10.

[0024] A weighing plate 11 is installed at the inner bottom of the weighing box 5, which can accurately weigh the amount of raw materials or additives added and ensure accurate proportions.

[0025] Furthermore, a mounting plate 6 is fixedly installed on the top of the rear side of the weighing box 5, and a longitudinal cylinder 12 is fixedly installed on the mounting plate 6. A docking plate 13 is fixedly installed on the telescopic end of the cylinder 12, and a docking shaft 16 is rotatably connected to the docking plate 13. A motor 14 is installed on the docking plate 13, and the motor 14 and the docking shaft 16 are connected by a pair of gears 17. When the cylinder 12 is started, the docking plate 13 is driven to move backward, so that the docking shaft 16 is inserted into the docking tube 9. The motor 14 is started and the docking shaft 16 is driven to rotate by a pair of gears 17, and then the spiral conveying blade 20 can be driven to rotate synchronously through the docking tube 9.

[0026] Specifically, the docking component includes a circle of annular air cushion 18 embedded in the end of the docking shaft 16. The surface of the annular air cushion 18 is coated with an anti-slip layer. The front end blade shaft of the spiral conveying blade 20 extends out of the discharge barrel 8 and is fixedly connected to the docking barrel 9. The inner wall of the docking barrel 9 is fixed with an anti-slip ring 19 that cooperates with the annular air cushion 18. An air pump 15 is installed on the docking plate 13. The air outlet end of the air pump 15 is docked with the tail end of the docking shaft 16 through a rotary joint. The interior of the docking shaft 16 is hollow and connected to the annular air cushion 18. When the air pump 15 is started, air is inflated into the annular air cushion 18 through the hollow docking shaft 16, causing it to expand and press against the anti-slip ring 19. The anti-slip layer is an anti-slip film, and both the anti-slip ring 19 and the anti-slip ring 19 are made of rubber.

[0027] The lateral moving component 3 can drive the weighing box 5 to move horizontally to the corresponding material box 7 position through the connecting arm 4, and the lifting component 2 can drive the lateral moving component 3 to move up and down, thereby driving the weighing box 5 to move up and down to the height corresponding to the row direction.

[0028] When the weighing box 5 moves to the front of the corresponding material box 7, the docking shaft 16 is aligned with the docking tube 9, and the starting cylinder 12 drives the docking plate 13 to move backward, so that the docking shaft 16 is inserted into the docking tube 9. The air pump 15 is started and the annular air cushion 18 is inflated through the hollow docking shaft 16 to expand and press against the anti-slip ring 19. Under the action of sufficient friction, the motor 14 is started and the docking shaft 16 is driven to rotate through a pair of gears 17, and then the spiral conveying blade 20 can be driven to rotate synchronously through the docking tube 9. The number of rotations is proportional to the discharge amount, and the raw materials or additives in the corresponding material box 7 can be transported out and fall into the weighing box 5 through the discharge pipe 10. It can move and dock quickly, and the addition process of multiple additives can be completed continuously.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A weighing and proportioning device for rubber additives, comprising a base (1), characterized in that: A plurality of rows of material boxes (7) are fixedly mounted on the base (1) via brackets, a discharge barrel (8) is docked at the front bottom side of each row of material boxes (7), a spiral conveying blade (20) is mounted in the discharge barrel (8), a lifting assembly (2) is mounted on both sides of the base (1), a transverse moving assembly (3) is mounted between the lifting assemblies (2) on both sides, a weighing box (5) is mounted on the transverse moving assembly (3), a longitudinally retractable docking shaft (16) is mounted on the top of the weighing box (5), the docking end of the docking shaft (16) drives the spiral conveying blade (20) to rotate through the docking assembly, and a weighing plate (11) is mounted on the inner bottom of the weighing box (5).

2. A weighing and proportioning device for rubber additives according to claim 1, characterized in that: The lifting assembly (2) is a vertical electric slide rail, the lateral moving assembly (3) is a lateral electric slide rail, the sliding member of the vertical electric slide rail is fixedly connected to the corresponding end of the lateral electric slide rail, and a connecting arm (4) is fixedly connected between the sliding member of the lateral electric slide rail and the weighing box (5).

3. The weighing and proportioning device for rubber additives according to claim 1, characterized in that: A mounting plate (6) is fixedly mounted on the top of the rear side of the weighing box (5), a longitudinal cylinder (12) is fixedly mounted on the mounting plate (6), a docking plate (13) is fixedly mounted on the telescopic end of the cylinder (12), and the docking shaft (16) is rotatably connected to the docking plate (13).

4. A weighing and proportioning device for rubber additives according to claim 3, characterized in that: A motor (14) is installed on the docking plate (13), and the motor (14) is connected to the docking shaft (16) through a pair of gears (17).

5. The weighing and proportioning device for rubber additives according to claim 3, characterized in that: The docking assembly includes a circle of annular air cushion (18) embedded in the end of the docking shaft (16), the surface of the annular air cushion (18) is coated with an anti-skid layer, the front end blade shaft of the spiral conveying blade (20) extends out of the discharge barrel (8) and is fixedly connected to the docking barrel (9), the inner wall of the docking barrel (9) is fixed with an anti-skid ring (19) that cooperates with the annular air cushion (18), an air pump (15) is installed on the docking plate (13), the air outlet end of the air pump (15) and the tail end of the docking shaft (16) are docked through a rotary joint, and the interior of the docking shaft (16) is hollow and connected to the annular air cushion (18).

6. The device for weighing and proportioning rubber additives according to claim 1, characterized in that: The front end bottom of the discharge cylinder (8) is connected to a discharge pipe (10).

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