Single screw feeder

Abstract

The utility model discloses a single screw feeding machine, including base plate and fixed base, the upper end outer surface fixed mounting of base plate has single screw feeding machine, the left and right sides of base plate lower extreme outer surface all fixed mounting has connecting plate, the connecting plate is connected with the angle adjusting assembly of feed pipe between fixed base. The utility model discloses a single screw feeding machine, through the angle adjusting assembly of feed pipe of setting, the angle of the feed pipe in single screw feeding machine is adjusted, makes the height of the discharge port in the feed pipe in single screw feeding machine be adjusted, improves the applicability, sets up the motor in the side of transmission case, avoids the swing of motor in single screw feeding machine when adjusting, drives through worm and worm wheel, makes it possess self -locking nature, improves stability.

Description

Technical Field

[0001] This utility model relates to the technical field of single screw feeders, specifically a single screw feeder. Background Technology

[0002] Single-screw feeders are commonly used material conveying equipment in industries such as plastics processing, chemicals, and food. They are mainly used to uniformly and continuously transport granular or powdery materials to downstream production equipment (such as extruders and injection molding machines). Their core components are the screw and the feed tube. The rotation of the screw propels the material to move directionally along the feed tube, achieving precise feeding.

[0003] However, existing single-screw feeders typically employ a fixed feed pipe design, where the angle and outlet height of the feed pipe cannot be adjusted. In actual production, the fixed-height feed pipe leads to poor adaptability due to potential changes in the inlet height of downstream equipment or process requirements (such as mold replacement or production line layout adjustments).

[0004] Therefore, we propose a single screw feeder. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a single-screw feeder that facilitates adjustment of the angle of the feeding pipe, allowing the height of the discharge port to be adjusted as needed, thus improving applicability and effectively solving the problems in the background technology.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a single screw feeder, comprising a base plate and a fixed base, wherein a single screw feeder is fixedly installed on the upper outer surface of the base plate, and connecting plates are fixedly installed on both the left and right sides of the lower outer surface of the base plate, and a feed pipe angle adjustment assembly is connected between the connecting plates and the fixed base, the feed pipe angle adjustment assembly comprising a transmission box, ear plates, a first rotating shaft, a second rotating shaft, a first pulley, a belt, a fixed block, a third rotating shaft, a second pulley, a motor, a worm gear and a worm, and the ear plates are fixed between the bottom of the outer surfaces of both sides of the transmission box and the upper outer surface of the fixed base, the first rotating shaft passes through the upper part of the transmission box, and there are two sets of connecting plates, with the first rotating shaft fixed in the lower part between the two sets of connecting plates.

[0009] Preferably, both the worm and the worm wheel are located inside the transmission box, the worm wheel is fixed to the outer wall of the middle part of the first rotating shaft, the worm is located on the lower outer surface of the worm wheel, and the worm is fixed on the second rotating shaft.

[0010] Preferably, the upper outer surface of the worm meshes with the lower outer surface of the worm wheel, and the lead angle of the worm is less than or equal to the equivalent friction angle when it meshes with the worm wheel.

[0011] Preferably, a bearing is provided between the first rotating shaft and the transmission box, and the first rotating shaft is rotatably connected to the transmission box through the bearing. A bearing is also provided between the second rotating shaft and the transmission box, and the second rotating shaft is rotatably connected to the transmission box through the bearing.

[0012] Preferably, the first pulley is fixed to the outer wall of the second rotating shaft away from the worm gear, and the first pulley is located on one side of the transmission box. The fixing block and the motor are fixed to one side of the upper outer surface of the fixing seat. The third rotating shaft is connected between the motor and the fixing block. The second pulley is fixed to the outer wall of the middle part of the third rotating shaft. The belt drive is connected between the second pulley and the first pulley.

[0013] Preferably, a bearing is provided between the second pulley and the fixed block, and the second pulley is rotatably connected to the fixed block through the bearing. A coupling is provided between the third rotating shaft and the motor, and the outer surface of one end of the third rotating shaft is fixedly connected to the outer surface of one end of the output shaft of the motor through the coupling.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a single screw feeder, which has the following advantages:

[0016] 1. This single screw feeder, through the setting of a conveying pipe angle adjustment component, facilitates the adjustment of the angle of the conveying pipe in the single screw feeder, thereby adjusting the height of the discharge port in the conveying pipe of the single screw feeder and improving its applicability.

[0017] 2. This single-screw feeder places the motor on one side of the transmission box to avoid affecting the oscillation of the motor during adjustment. It adopts worm gear and worm meshing transmission and limits the worm lead angle to ≤ equivalent friction angle, so that the mechanism has a self-locking characteristic to prevent the conveying pipe from shifting angle during material conveying or vibration, and ensures that the adjusted position is stable and reliable. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a single screw feeder according to the present invention.

[0019] Figure 2 This is a partial structural schematic diagram of a single screw feeder according to the present invention.

[0020] Figure 3 This is a schematic diagram of the structure of the feed pipe angle adjustment component in a single screw feeder according to this utility model.

[0021] Figure 4 This is a side cross-sectional view of the transmission box in a single screw feeder according to this utility model.

[0022] In the diagram: 1. Base plate; 2. Single screw feeder; 3. Connecting plate; 4. Fixing base; 5. Feed pipe angle adjustment assembly; 6. Transmission box; 7. Ear plate; 8. First rotating shaft; 9. Second rotating shaft; 10. First pulley; 11. Belt; 12. Fixing block; 13. Third rotating shaft; 14. Second pulley; 15. Motor; 16. Worm gear; 17. Worm. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] This embodiment is a single screw feeder.

[0025] like Figures 1-4 As shown, the system includes a base plate 1 and a fixed base 4. A single screw feeder 2 is fixedly installed on the upper outer surface of the base plate 1. Connecting plates 3 are fixedly installed on both the left and right sides of the lower outer surface of the base plate 1. A feed pipe angle adjustment assembly 5 is connected between the connecting plates 3 and the fixed base 4. The feed pipe angle adjustment assembly 5 includes a transmission box 6, ear plates 7, a first rotating shaft 8, a second rotating shaft 9, a first pulley 10, a belt 11, a fixed block 12, a third rotating shaft 13, a second pulley 14, a motor 15, a worm gear 16, and a worm 17. The ear plates 7 are fixed between the bottom of the outer surfaces of both sides of the transmission box 6 and the upper outer surface of the fixed base 4. The first rotating shaft 8 passes through the upper part of the transmission box 6. There are two sets of connecting plates 3. The first rotating shaft 8 is fixed in the lower part between the two sets of connecting plates 3.

[0026] Both the worm 17 and the worm wheel 16 are located inside the transmission box 6. The worm wheel 16 is fixed to the outer wall of the middle part of the first rotating shaft 8, and the worm 17 is located on the lower outer surface of the worm wheel 16. The worm 17 is fixed on the second rotating shaft 9. The upper outer surface of the worm 17 meshes with the lower outer surface of the worm wheel 16. The lead angle of the worm 17 is less than or equal to the equivalent friction angle when it meshes with the worm wheel 16. A bearing is provided between the first rotating shaft 8 and the transmission box 6, and the first rotating shaft 8 is rotatably connected to the transmission box 6 through the bearing. A bearing is also provided between the second rotating shaft 9 and the transmission box 6, and the second rotating shaft 9 is rotatably connected to the transmission box 6 through the bearing. The first pulley 10 is fixed to the second rotating shaft 9 away from the worm 17. The outer wall of one end of the transmission box 6 is fixed, and the first pulley 10 is located on one side of the transmission box 6. The fixing block 12 and the motor 15 are fixed on one side of the upper outer surface of the fixing seat 4. The third rotating shaft 13 is connected between the motor 15 and the fixing block 12. The second pulley 14 is fixed on the outer wall of the middle part of the third rotating shaft 13. The belt 11 is connected between the second pulley 14 and the first pulley 10. A bearing is provided between the second pulley 14 and the fixing block 12. The second pulley 14 is rotatably connected to the fixing block 12 through the bearing. A coupling is provided between the third rotating shaft 13 and the motor 15. The outer surface of one end of the third rotating shaft 13 is fixedly connected to the outer surface of one end of the output shaft of the motor 15 through the coupling.

[0027] It should be noted that this utility model is a single screw feeder. The single screw feeder 2 described herein belongs to the prior art and can be effectively known to those skilled in the art. Specific details will not be elaborated further. When the angle and the height of the discharge port need to be adjusted, the motor 15 drives the third rotating shaft 13 and the second pulley 14 to rotate. The second pulley 14 drives the first pulley 10 to rotate via the belt 11. The first pulley 10 drives the second rotating shaft 9 to rotate. The second rotating shaft 9 drives the worm gear 17 to rotate. The worm gear 17 drives the first rotating shaft 8 to rotate via the worm wheel 16. The first rotating shaft 8 drives the connecting plate 3 to rotate around the first rotating shaft 8, thereby rotating the connecting plate 3 around the first rotating shaft 8, thus adjusting the feeding angle in the single screw feeder 2, thereby adjusting the height of the discharge port in the feeding pipe and improving applicability.

[0028] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A single-screw feeder, comprising a base plate (1) and a fixed base (4), wherein a single-screw feeder (2) is fixedly mounted on the upper outer surface of the base plate (1), characterized in that: Connecting plates (3) are fixedly installed on both sides of the lower outer surface of the substrate (1). A feed pipe angle adjustment assembly (5) is connected between the connecting plate (3) and the fixed seat (4). The feed pipe angle adjustment assembly (5) includes a transmission box (6), an ear plate (7), a first rotating shaft (8), a second rotating shaft (9), a first pulley (10), a belt (11), a fixed block (12), a third rotating shaft (13), a second pulley (14), a motor (15), a worm gear (16), and a worm (17). The ear plate (7) is fixed between the bottom of the outer surface of both sides of the transmission box (6) and the upper outer surface of the fixed seat (4). The first rotating shaft (8) passes through the upper part of the transmission box (6). There are two sets of connecting plates (3). The first rotating shaft (8) is fixed in the lower part between the two sets of connecting plates (3).

2. The single-screw feeder according to claim 1, characterized in that: The worm (17) and worm wheel (16) are both located inside the transmission box (6). The worm wheel (16) is fixed to the outer wall of the middle part of the first rotating shaft (8). The worm (17) is located on the lower outer surface of the worm wheel (16). The worm (17) is fixed on the second rotating shaft (9).

3. A single-screw feeder according to claim 2, characterized in that: The upper outer surface of the worm (17) meshes with the lower outer surface of the worm wheel (16), and the lead angle of the worm (17) is less than or equal to the equivalent friction angle when it meshes with the worm wheel (16).

4. A single-screw feeder according to claim 3, characterized in that: A bearing is provided between the first rotating shaft (8) and the transmission box (6), and the first rotating shaft (8) is rotatably connected to the transmission box (6) through the bearing. A bearing is provided between the second rotating shaft (9) and the transmission box (6), and the second rotating shaft (9) is rotatably connected to the transmission box (6) through the bearing.

5. A single-screw feeder according to claim 4, characterized in that: The first pulley (10) is fixed to the outer wall of the second rotating shaft (9) away from the worm (17), and the first pulley (10) is located on one side of the transmission box (6). The fixing block (12) and the motor (15) are fixed on one side of the upper outer surface of the fixing seat (4). The third rotating shaft (13) is connected between the motor (15) and the fixing block (12). The second pulley (14) is fixed to the outer wall of the middle part of the third rotating shaft (13). The belt (11) is connected between the second pulley (14) and the first pulley (10).

6. A single-screw feeder according to claim 5, characterized in that: A bearing is provided between the second pulley (14) and the fixed block (12). The second pulley (14) is rotatably connected to the fixed block (12) through the bearing. A coupling is provided between the third rotating shaft (13) and the motor (15). The outer surface of one end of the third rotating shaft (13) is fixedly connected to the outer surface of one end of the output shaft of the motor (15) through the coupling.

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