Spiral feeding device

Abstract

The utility model discloses a spiral feeding device which comprises a mounting frame, a charging barrel is fixed in the mounting frame, a rotating shaft is rotatably connected in the charging barrel, a spiral blade is fixed on the outer side of the rotating shaft, a driving motor is fixedly mounted at the bottom of the charging barrel, the output end of the driving motor is fixed with the rotating shaft, and a first discharging pipe is fixed and communicated with the top of the charging barrel. A second discharging pipe is slidably connected to the outer side of the first discharging pipe, a third discharging pipe is slidably connected to the outer side of the second discharging pipe, an operation box is fixed to the top of the charging barrel, and a control assembly used for controlling the third discharging pipe and the second discharging pipe to move is arranged in the operation box. The overall height of the discharging pipe is adjustable, so that the equipment can convey materials to machining equipment with different heights, and as the overall height of the discharging pipe is adjustable, when powdery materials are conveyed, the discharging pipe can be moved downwards to the bottom of a material storage cavity of the machining equipment firstly, and then the powdery materials are conveyed. And the blanking pipe is gradually shortened according to the accumulation of the materials.

Description

Technical Field

[0001] The utility model relates to the field of feeding devices, in particular to a spiral feeding device. Background Art

[0002] The spiral feeding device is a commonly used conveying device. In the spiral feeding device, the material enters through the feed port, is pushed forward by the rotating spiral blades, and finally discharged from the discharge port. The device is characterized by being able to convey materials of various properties.

[0003] Publication No. CN 209582779 U discloses a spiral feeding device for food additives, in which a spiral rod is designed inside a hopper body, the spiral rod is connected by an anti-blocking motor, and the spiral rod is stabilized by a tail end bearing. When feeding food additives, the anti-blocking motor drives the spiral rod to rotate, and the spiral rod drives the food additives to move toward the feed port of the barrel, preventing the food additives from being blocked inside the guide groove, unblocking the food additives, and avoiding blockage.

[0004] The height of the discharge pipe in the above-mentioned spiral feeding device is fixed and cannot be adjusted according to needs. For some powdery materials, since the discharge port of the spiral feeding device is at a higher position, some powdery materials will fly after being discharged, which not only leads to waste of powdery materials, but also affects the processing environment. Utility Model Content

[0005] (I) Purpose of the utility model

[0006] In view of this, the purpose of the utility model is to propose a spiral feeding device, and the technical problem to be solved is that the height of the discharge pipe in the existing spiral feeding device cannot be adjusted according to needs, and for some powdery materials, since the discharge port of the spiral feeding device is located at a higher position, some powdery materials will fly after being discharged.

[0007] (II) Technical solution

[0008] In order to achieve the above technical purpose, the utility model provides a spiral feeding device:

[0009] It includes a mounting frame, a barrel is fixed in the mounting frame, a rotating shaft is rotatably connected in the barrel, a spiral blade is fixed on the outside of the rotating shaft, a driving motor is fixedly installed on the bottom of the barrel, and the output end of the driving motor is fixed to the rotating shaft, a first discharge pipe is fixed and connected to the top of the barrel, a second discharge pipe is slidably connected to the outside of the first discharge pipe, and a third discharge pipe is slidably connected to the outside of the second discharge pipe, an operating box is fixed on the top of the barrel, and a control component for controlling the movement of the third discharge pipe and the second discharge pipe is arranged in the operating box.

[0010] Preferably, two first guide grooves are provided on the outer side of the first feeding tube, two first limit blocks are symmetrically fixed on the inner wall of the top of the second feeding tube, and the two first limit blocks are respectively slidably fitted in the corresponding first guide grooves, two second guide grooves are provided on the outer side of the second feeding tube, and two second limit blocks are symmetrically fixed on the inner wall of the top of the third feeding tube, and the two second limit blocks are respectively slidably fitted in the corresponding second guide grooves.

[0011] Preferably, hollow plates and side plates are fixed on both sides of the operating box, and a winding rod is connected to the two hollow plates and the corresponding side plates for common rotation. Two protrusions are symmetrically fixed to the top of the third feeding tube, and a pulling rope is fixed on the protrusions, and one end of the pulling rope away from the protrusion is fixed to the winding rod, and the pulling rope can be wound around the winding rod.

[0012] Preferably, the operating box and the hollow plate are connected to each other with a rotating rod for common rotation, both ends of the rotating rod are fixed with a second bevel gear, and one end of the winding rod extending into the hollow plate is fixed with a first bevel gear, and the two first bevel gears are respectively meshed with the corresponding second bevel gears.

[0013] Preferably, the control component includes a servo motor installed in an operating box, a connecting shaft is fixed to the output end of the servo motor, a driving wheel is fixed to one end of the connecting shaft, a driven wheel is fixed to the outside of the rotating rod, and the driven wheel and the driving wheel are driven by a belt.

[0014] Preferably, a feed hopper is fixed on the top of the mounting frame, a connecting pipe is fixed and connected to the bottom of the feed hopper, and one end of the connecting pipe away from the feed hopper is fixed and connected to the barrel.

[0015] Preferably, two reinforcing ribs are fixed to the inner wall of the bottom of the mounting frame, the top of the reinforcing ribs is fixed to the barrel, and pulleys are installed at the four corners of the bottom of the mounting frame.

[0016] It can be seen from the above technical solutions that the present application has the following beneficial effects:

[0017] 1: When the winding rod rotates to release the pulling rope, the second feeding pipe and the third feeding pipe are moved downward, and the bottom of the third feeding pipe is moved to the bottom of the material storage chamber of the processing equipment, so that the material is discharged from the first feeding pipe, the second feeding pipe and the third feeding pipe, and directly falls to the bottom of the material storage chamber of the processing equipment. After that, after the material is gradually accumulated in the material storage chamber of the processing equipment, the winding rod is controlled to rotate in the opposite direction and the pulling rope is wound up, and the third feeding pipe and the second feeding pipe are gradually moved upward, so that the third feeding pipe is always located at the upper part of the material pile, and the distance is short, so that the distance the material falls after being discharged is short, and the flying phenomenon of powdery material falling over a long distance is avoided.

[0018] 2: Through the arrangement of the first discharge pipe, the second discharge pipe and the third discharge pipe, the overall height of the discharge pipe is adjustable, so that the equipment can transport materials to processing equipment at different heights. Moreover, since the overall height of the discharge pipe is adjustable, when conveying powdered materials, the discharge pipe can be first moved down to the bottom of the material storage chamber of the processing equipment, and then gradually shortened according to the accumulation of the materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the structure of a spiral feeding device provided by the utility model;

[0021] Figure 2 A schematic diagram of a partial cross-sectional structure of a spiral feeding device provided by the utility model;

[0022] Figure 3 A schematic diagram of the partial structure of a spiral feeding device provided by the utility model;

[0023] Figure 4 This is a structural schematic diagram of the control component provided by the utility model.

[0024] Description of the drawings: 1. Mounting frame; 2. Barrel; 3. Rotating shaft; 4. Spiral blade; 5. Driving motor; 6. First feeding tube; 7. Second feeding tube; 8. Third feeding tube; 9. Operating box; 10. First guide groove; 11. First limit block; 12. Second guide groove; 13. Second limit block; 14. Bump; 15. Pull rope; 16. Hollow plate; 17. Side plate; 18. Winding rod; 19. First bevel gear; 20. Rotating rod; 21. Second bevel gear; 22. Driven wheel; 23. Belt; 24. Driving wheel; 25. Servo motor; 26. Connecting shaft; 27. Reinforcing rib; 28. Feed hopper; 29. ​​Connecting pipe; 30. Pulley. DETAILED DESCRIPTION

[0025] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, and use. It should be understood that in all of these figures, the same or similar reference numerals indicate the same or similar parts and features. The various drawings only schematically represent the concepts and principles of the embodiments of the present disclosure, and do not necessarily show the specific dimensions and proportions of the various embodiments of the present disclosure. Specific parts in specific drawings may be exaggerated to illustrate the relevant details or structures of the embodiments of the present disclosure.

[0026] Reference Figure 1-4 :

[0027] The utility model provides a spiral feeding device, including a mounting frame 1, a barrel 2 is fixed in the mounting frame 1, a rotating shaft 3 is rotatably connected in the barrel 2, a spiral blade 4 is fixed on the outside of the rotating shaft 3, a driving motor 5 is fixedly installed on the bottom of the barrel 2, and the output end of the driving motor 5 is fixed to the rotating shaft 3, a first discharge pipe 6 is fixed and connected to the top of the barrel 2, a second discharge pipe 7 is slidably connected to the outside of the first discharge pipe 6, and a third discharge pipe 8 is slidably connected to the outside of the second discharge pipe 7, an operation box 9 is fixed on the top of the barrel 2, and a control component for controlling the movement of the third discharge pipe 8 and the second discharge pipe 7 is arranged in the operation box 9.

[0028] Specifically, a feed hopper 28 is fixed to the top of the mounting frame 1, a connecting pipe 29 is fixed to and connected to the bottom of the feed hopper 28, and one end of the connecting pipe 29 away from the feed hopper 28 is fixed and connected to the barrel 2, two reinforcing ribs 27 are fixed to the inner wall of the bottom of the mounting frame 1, the top of the reinforcing ribs 27 is fixed to the barrel 2, and pulleys 30 are installed at the four corners of the bottom of the mounting frame 1.

[0029] It should be noted that, under the action of the pulley 30, the pushing device pushes the device to the desired position, and then pours the material to be transported into the feed hopper 28, and the material is transported to the barrel 2 through the connecting pipe 29, and then the driving motor 5 is started to drive the rotating shaft 3 and the spiral blade 4 to rotate. When the spiral blade 4 rotates, the material is transported, and the transported material is discharged from the first discharge pipe 6, the second discharge pipe 7, and the third discharge pipe 8 to the required equipment.

[0030] In addition, two first guide grooves 10 are provided on the outer side of the first feeding tube 6, and two first limit blocks 11 are symmetrically fixed on the inner wall of the top of the second feeding tube 7, and the two first limit blocks 11 are respectively slidably fitted in the corresponding first guide grooves 10, and two second guide grooves 12 are provided on the outer side of the second feeding tube 7, and two second limit blocks 13 are symmetrically fixed on the inner wall of the top of the third feeding tube 8, and the two second limit blocks 13 are respectively slidably fitted in the corresponding second guide grooves 12, and hollow plates 16 and side plates 17 are fixed on both sides of the operating box 9, and a winding rod 18 is rotatably connected between the two hollow plates 16 and the corresponding side plates 17, and two protrusions 14 are symmetrically fixed on the top of the third feeding tube 8, and a pulling rope 15 is fixed on the protrusion 14, and the pulling rope 15 is fixed to the winding rod 18 at one end away from the protrusion 14, and the pulling rope 15 can be wound around the winding rod 18.

[0031] In addition, a rotating rod 20 is connected to the operating box 9 and the hollow plate 16 for common rotation, and second bevel gears 21 are fixed at both ends of the rotating rod 20. A first bevel gear 19 is fixed to one end of the winding rod 18 extending into the hollow plate 16, and the two first bevel gears 19 are respectively meshed with the corresponding second bevel gears 21. The control component includes a servo motor 25 installed in the operating box 9, a connecting shaft 26 is fixed to the output end of the servo motor 25, a driving wheel 24 is fixed to one end of the connecting shaft 26, and a driven wheel 22 is fixed to the outside of the rotating rod 20, and the driven wheel 22 and the driving wheel 24 are driven by a belt 23.

[0032] It should be noted that, according to the different heights of the material storage chambers of the processing equipment, the height of the overall discharge pipe is adjusted. The overall discharge pipe is composed of a first discharge pipe 6, a second discharge pipe 7, and a third discharge pipe 8. Before use, the first discharge pipe 6, the second discharge pipe 7, and the third discharge pipe 8 are sleeved together, and the first discharge pipe 6 is moved to the material storage chamber of the processing equipment, and then the servo motor 25 is started to drive the driving wheel 24 to rotate. When the driving wheel 24 rotates, it drives the driven wheel 22 to rotate through the connecting shaft 26. When the driven wheel 22 rotates, it drives the rotating rod 20 and the second bevel gear 21 to rotate. When the two second bevel gears 21 rotate, they drive the corresponding first bevel gears 19 and the winding rod 18 to rotate, so that the winding rod 18 releases the pulling rope 15, so that the second The discharge pipe 7 and the third discharge pipe 8 move downward until the bottom of the third discharge pipe 8 moves to the bottom of the material storage chamber of the processing equipment, so that after the material is discharged from the first discharge pipe 6, the second discharge pipe 7, and the third discharge pipe 8, it directly falls to the bottom of the material storage chamber of the processing equipment. After that, the material is gradually accumulated in the material storage chamber of the processing equipment, and then the servo motor 25 is driven to drive the connecting shaft 26 to rotate in the opposite direction, thereby driving the winding rod 18 to rotate in the opposite direction, so that the winding rod 18 reels the pulling rope 15, and gradually moves the third discharge pipe 8 and the second discharge pipe 7 upward, so that the third discharge pipe 8 is always located at the upper part of the material pile, and the distance is short, so that the distance the material falls after being discharged is short, avoiding the flying phenomenon of powdery materials falling over a long distance.

[0033] The exemplary implementation scheme of the present disclosure is described in detail above with reference to the preferred embodiments. However, it can be understood by those skilled in the art that, without departing from the concept of the present disclosure, various modifications and variations can be made to the above-mentioned specific embodiments, and various technical features and structures proposed in the present disclosure can be combined in various ways without exceeding the protection scope of the present disclosure, which is determined by the attached claims.

Claims

1. A spiral feeding device, comprising a mounting frame (1), characterized in that: A barrel (2) is fixed inside the mounting frame (1), a rotating shaft (3) is rotatably connected inside the barrel (2), a spiral blade (4) is fixed outside the rotating shaft (3), a driving motor (5) is fixedly mounted at the bottom of the barrel (2), and the output end of the driving motor (5) is fixed to the rotating shaft (3), a first discharge pipe (6) is fixed to and connected to the top of the barrel (2), a second discharge pipe (7) is slidably connected to the outside of the first discharge pipe (6), and a third discharge pipe (8) is slidably connected to the outside of the second discharge pipe (7), an operating box (9) is fixed to the top of the barrel (2), and a control component for controlling the movement of the third discharge pipe (8) and the second discharge pipe (7) is arranged inside the operating box (9).

2. A spiral feeding device according to claim 1, characterized in that: Two first guide grooves (10) are provided on the outer side of the first feeding tube (6); two first limit blocks (11) are symmetrically fixed on the inner wall of the top of the second feeding tube (7); the two first limit blocks (11) are respectively slidably fitted in the corresponding first guide grooves (10); two second guide grooves (12) are provided on the outer side of the second feeding tube (7); two second limit blocks (13) are symmetrically fixed on the inner wall of the top of the third feeding tube (8); the two second limit blocks (13) are respectively slidably fitted in the corresponding second guide grooves (12).

3. A spiral feeding device according to claim 2, characterized in that: Hollow plates (16) and side plates (17) are fixed on both sides of the operating box (9); a winding rod (18) is rotatably connected between the two hollow plates (16) and the corresponding side plates (17); two protrusions (14) are symmetrically fixed on the top of the third feeding tube (8); a pulling rope (15) is fixed on the protrusion (14); and one end of the pulling rope (15) away from the protrusion (14) is fixed to the winding rod (18); and the pulling rope (15) can be wound around the winding rod (18).

4. A spiral feeding device according to claim 3, characterized in that: A rotating rod (20) is rotatably connected to the operating box (9) and the hollow plate (16), and second bevel gears (21) are fixed to both ends of the rotating rod (20). A first bevel gear (19) is fixed to one end of the winding rod (18) extending into the hollow plate (16), and the two first bevel gears (19) are respectively meshed with corresponding second bevel gears (21).

5. A spiral feeding device according to claim 4, characterized in that: The control assembly comprises a servo motor (25) installed in an operation box (9), a connecting shaft (26) is fixed to the output end of the servo motor (25), a driving wheel (24) is fixed to one end of the connecting shaft (26), a driven wheel (22) is fixed to the outside of the rotating rod (20), and a belt (23) is used to transmit power between the driven wheel (22) and the driving wheel (24).

6. A spiral feeding device according to claim 1, characterized in that: A feed hopper (28) is fixed to the top of the mounting frame (1), a connecting pipe (29) is fixed to and connected to the bottom of the feed hopper (28), and an end of the connecting pipe (29) away from the feed hopper (28) is fixed to and connected to the barrel (2).

7. A spiral feeding device according to claim 1, characterized in that: Two reinforcing ribs (27) are fixed to the inner wall of the bottom of the mounting frame (1), the top of the reinforcing ribs (27) is fixed to the barrel (2), and pulleys (30) are installed at the four corners of the bottom of the mounting frame (1).

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