A stable feeding device for conveyor belt extruder

Abstract

The utility model discloses a stable feeding device for a conveyor belt extruder, comprising a hopper, a feeding pipe is arranged on the side of the hopper, the feeding pipe is connected with a screw conveying assembly, the screw conveying assembly is arranged obliquely downward, and the screw conveying assembly comprises a conveying barrel, a screw conveying rod and a motor, the top end of the conveying barrel is arranged with an opening, and a screw conveying rod is arranged inside the conveying barrel, the top end of the screw conveying rod is inserted into the feeding pipe, and the top end of the conveying barrel and the feeding pipe are connected by bolts; a motor is arranged at the bottom end of the conveying barrel, and the output end of the motor is connected to the screw conveying rod; a feeding box is arranged at the bottom end of the side of the conveying barrel; an adjusting baffle is arranged at a position near the bottom of the inner side of the hopper, and the adjusting baffle is used to adjust the flow rate of the material falling from the hopper into the extruder. A screw conveying assembly is arranged obliquely downward on the side of the hopper, and raw materials can be injected from a low position to a high position hopper through the screw conveying assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of extruders, in particular to a stable feeding device for a conveyor belt extruder. Background Art

[0002] A hopper is provided at the feed inlet of the extruder. The hopper is used to store product raw materials. The raw materials in the hopper enter the screw barrel through the feed inlet under the action of gravity.

[0003] In the prior art, a Chinese patent with patent number CN202321058363.1 discloses a feeding device for a plastic extruder, including a feed hopper, a stirring blade assembly is arranged inside the feed hopper, the stirring blade assembly includes a rotating shaft and a stirring blade, a driving motor is arranged at the upper end of the feed hopper, a mounting box is arranged at the lower end of the feed hopper, photoelectric sensors are arranged on both sides of the mounting box, and the photoelectric sensors are electrically connected to the driving motor. The materials gathered near the feeding port of the plastic extruder are stirred by the stirring blades, thereby accelerating the feeding efficiency of the materials. By arranging photoelectric sensors on both sides of the mounting box, if a material blockage occurs inside the feed hopper, the photoelectric sensor cannot detect the material falling at this time, and transmits a start signal to the driving motor. The driving motor drives the stirring blade to rotate, thereby realizing automatic detection of whether the feed hopper is blocked and automatic dredging of the materials. On the one hand, no staff participation is required, which reduces the labor intensity of the staff, and on the other hand, the feeding efficiency of the plastic extruder is improved.

[0004] The extruder feeding device provided by the above patent is generally installed on the top of the extruder, which makes the extruder feeding hopper relatively high, making it inconvenient for the staff to add raw materials into the hopper, which can easily lead to discontinuous feeding of the extruder and is not conducive to stable feeding of the extruder. Utility Model Content

[0005] The utility model aims to provide a stable feeding device for a conveyor belt extruder, aiming to improve the problem that the existing extruder feeding hopper is relatively high, which makes it inconvenient for workers to add raw materials into the hopper, easily leading to discontinuous feeding of the extruder and not conducive to stable feeding of the extruder.

[0006] The utility model is achieved in this way:

[0007] A stable feeding device for a conveyor belt extruder comprises a hopper, a feed pipe is arranged on the side of the hopper, the feed pipe is connected to a screw conveying assembly, the screw conveying assembly is arranged obliquely downward, and the screw conveying assembly comprises a conveying barrel, a screw conveying rod and a motor, the top end of the conveying barrel is arranged with an opening, and a screw conveying rod is arranged inside the conveying barrel, the top end of the screw conveying rod is inserted into the feed pipe, and the top end of the conveying barrel and the feed pipe are connected by bolts; a motor is arranged at the bottom end of the conveying barrel, and the output end of the motor is connected to the screw conveying rod; a feed box is arranged at the bottom end of the side of the conveying barrel; an adjusting baffle is arranged at a position near the bottom of the inner side of the hopper, and the adjusting baffle is used to adjust the flow rate of material falling from the hopper into the extruder.

[0008] Preferably, a flange is provided at the bottom end of the feed pipe, and flange holes are evenly provided at the edge of the flange; a chassis is provided at the bottom end of the hopper, and bolt holes are provided at the corners of the chassis; an adjustment hole is provided at the back of the hopper near the bottom end, and a positioning plate is provided on the back of the hopper above the adjustment hole, and a positioning knob is provided on the upper surface of the positioning plate.

[0009] Preferably, the adjustment baffle is inserted into the adjustment hole, and a groove is provided at one end of the bottom surface of the adjustment baffle close to the outer side.

[0010] Preferably, a connecting plate is provided at the top end of the conveying cylinder, a plurality of connecting holes are provided at the edge of the connecting plate, the feed box is arranged vertically upward, and a bearing is provided at the bottom end of the conveying cylinder.

[0011] Preferably, a connecting shaft is provided at the bottom end of the spiral conveying rod, the connecting shaft is interference connected with the bearing, and a driving slot is provided at the bottom end of the connecting shaft.

[0012] Preferably, a drive shaft is provided at the output end of the motor, and the drive shaft is inserted into the drive slot; and a plurality of mounting feet are provided at the position where the motor fits the bottom end of the conveying cylinder, and the mounting feet fix the motor to the bottom end of the conveying cylinder by bolts.

[0013] Preferably, a bracket is provided under the conveying cylinder, a support plate is provided on the top of the bracket, a plurality of fixing holes are provided on the support plate, and the support plate and the conveying cylinder are connected by bolts; a bottom plate is provided at the bottom end of the bracket, and a plurality of mounting holes are provided on both sides of the bottom plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model is provided with a screw conveying assembly on the side of the hopper which is tilted downward. The raw materials can be injected into the high hopper from the low position through the screw conveying assembly, so that the raw materials can stably enter the extruder, and the problem of inconvenient feeding of the extruder due to the hopper being too high is avoided, which greatly facilitates the feeding and use of the extruder.

[0016] 2. A bracket is provided at the bottom of the screw conveying assembly of the utility model, and the bracket can stably support the screw conveying assembly, thereby ensuring stable operation and use of the screw conveying assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the hopper of the utility model from an oblique downward angle of the front end;

[0019] Figure 3 It is a structural schematic diagram of the hopper of the utility model at an oblique upward viewing angle at the rear end;

[0020] Figure 4 It is a structural schematic diagram of the utility model adjusting baffle;

[0021] Figure 5 It is a structural schematic diagram of the screw conveying assembly of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the support of the utility model.

[0023] In the figure: 1. hopper; 11. feed pipe; 12. flange; 13. flange hole; 14. chassis; 15. bolt hole; 16. adjustment hole; 17. positioning plate; 18. positioning knob; 2. adjustment baffle; 21. pull groove; 3. screw conveying assembly; 31. conveying cylinder; 311. connecting plate; 312. connecting hole; 313. feed box; 314. bearing; 32. screw conveying rod; 321. connecting shaft; 322. drive slot; 33. motor; 331. drive shaft; 332. mounting foot; 4. bracket; 41. support plate; 42. fixing hole; 43. bottom plate; 44. mounting hole. DETAILED DESCRIPTION

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The following is a further description with reference to the accompanying drawings and specific embodiments: Example

[0026] like Figure 1 and Figure 5 As shown, a stable feeding device for a conveyor belt extruder includes a hopper 1, a feeding pipe 11 is provided on the side of the hopper 1, and the feeding pipe 11 is connected to a screw conveying assembly 3. The feeding pipe 11 is convenient for connecting the screw conveying assembly 3 with the hopper 1, and is convenient for disassembly and use of the screw conveying assembly 3. The screw conveying assembly 3 is tilted downward, and this structure is convenient for lifting the material and facilitating the smooth entry of the raw material into the hopper 1. The screw conveying assembly 3 includes a conveying cylinder 31, a screw conveying rod 32 and a motor 33. The top of the conveying cylinder 31 is opened, and a screw conveying rod 32 is provided inside the conveying cylinder 31. The top of the screw conveying rod 32 is inserted into the feed pipe 11, and the top of the conveying cylinder 31 and the feed pipe 11 are connected by bolts; a motor 33 is provided at the bottom of the conveying cylinder 31, and the output end of the motor 33 is connected to the screw conveying rod 32; this structure is convenient for the motor 33 to drive the screw conveying rod 32 to rotate, and the material can be driven into the hopper 1 through the screw conveying rod 32, so that the material inside the hopper 1 can smoothly enter the extruder. A feed box 313 is provided at the bottom of the side of the conveying cylinder 31; the feed box 313 is convenient for materials to enter the interior of the conveying cylinder 31. An adjustment baffle 2 is provided near the bottom of the inner side of the hopper 1, and the adjustment baffle 2 is used to adjust the flow rate of the material falling from the hopper 1 into the extruder.

[0027] like Figure 2 and Figure 3 As shown, a flange 12 is provided at the bottom end of the feed pipe 11, and flange holes 13 are evenly provided at the edge of the flange 12; the flange 12 and the flange holes 13 are convenient for connecting the feed pipe 11 and the conveying cylinder 31. A chassis 14 is provided at the bottom end of the hopper 1, and bolt holes 15 are provided at the corners of the chassis 14; the cooperation between the chassis 14 and the bolt holes 15 is convenient for connecting the hopper 1 to the extruder. An adjustment hole 16 is provided at the back of the hopper 1 near the bottom end, and the adjustment hole 16 is convenient for installing the adjustment baffle 2, and is convenient for installing and using the adjustment baffle 2. A positioning plate 17 is provided on the back of the hopper 1 along the upper side of the adjustment hole 16, and a positioning knob 18 is provided on the upper surface of the positioning plate 17; the positioning plate 17 and the positioning knob 18 are convenient for fixing the position of the adjustment baffle 2.

[0028] like Figure 4 As shown, the adjusting baffle 2 is inserted into the adjusting hole 16 , and a groove 21 is provided at one end of the bottom surface of the adjusting baffle 2 close to the outside; the groove 21 is convenient for pulling the adjusting baffle 2 , so as to facilitate the disassembly, assembly and adjustment of the adjusting baffle 2 .

[0029] like Figure 5As shown, a connection plate 311 is provided at the top of the conveying cylinder 31, and a plurality of connection holes 312 are provided at the edge of the connection plate 311. The cooperation between the connection plate 311 and the connection holes 312 is convenient for connecting the conveying cylinder 31 and the hopper 1. The feed box 313 is vertically arranged upward, and a bearing 314 is provided at the bottom of the conveying cylinder 31. The bearing 314 is convenient for rotating connection with the spiral conveying rod 32. A connecting shaft 321 is provided at the bottom of the spiral conveying rod 32. The connecting shaft 321 is interference-connected with the bearing 314 to facilitate the rotation of the spiral conveying rod 32. A driving slot 322 is provided at the bottom of the connecting shaft 321. This structure is convenient for connecting with the motor 33. A driving shaft 331 is provided at the output end of the motor 33, and the driving shaft 331 is inserted into the driving slot 322; and a plurality of mounting feet 332 are provided at the position where the motor 33 fits the bottom of the conveying cylinder 31. The mounting feet 332 fix the motor 33 to the bottom of the conveying cylinder 31 by bolts.

[0030] Working principle: when in use, the raw materials are introduced into the feed box 313; then the motor 33 is started, so that the motor 33 drives the screw conveying rod 32 to rotate, and the raw materials are introduced into the hopper 1 through the screw conveying rod 32, so that the hopper 1 can be stably fed, and the materials can enter the extruder stably, and this also avoids the problem that the hopper 1 is too high and inconvenient to load the materials. Compared with the prior art, the present application is provided with a screw conveying assembly 3 on the side of the hopper 1, which is inclined downward. The raw materials can be injected from the low position to the high position of the hopper 1 through the screw conveying assembly 3, so that the raw materials can enter the extruder stably, and the problem of inconvenient feeding of the extruder due to the hopper 1 being too high is avoided, which greatly facilitates the feeding and use of the extruder. Example

[0031] like Figure 1 and Figure 5As shown, a stable feeding device for a conveyor belt extruder includes a hopper 1, a feeding pipe 11 is provided on the side of the hopper 1, and the feeding pipe 11 is connected to a screw conveying assembly 3. The feeding pipe 11 is convenient for connecting the screw conveying assembly 3 with the hopper 1, and is convenient for disassembly and use of the screw conveying assembly 3. The screw conveying assembly 3 is tilted downward, and this structure is convenient for lifting the material and facilitating the smooth entry of the raw material into the hopper 1. The screw conveying assembly 3 includes a conveying cylinder 31, a screw conveying rod 32 and a motor 33. The top of the conveying cylinder 31 is opened, and a screw conveying rod 32 is provided inside the conveying cylinder 31. The top of the screw conveying rod 32 is inserted into the feed pipe 11, and the top of the conveying cylinder 31 and the feed pipe 11 are connected by bolts; a motor 33 is provided at the bottom of the conveying cylinder 31, and the output end of the motor 33 is connected to the screw conveying rod 32; this structure is convenient for the motor 33 to drive the screw conveying rod 32 to rotate, and the material can be driven into the hopper 1 through the screw conveying rod 32, so that the material inside the hopper 1 can smoothly enter the extruder. A feed box 313 is provided at the bottom of the side of the conveying cylinder 31; the feed box 313 is convenient for materials to enter the interior of the conveying cylinder 31. An adjustment baffle 2 is provided near the bottom of the inner side of the hopper 1, and the adjustment baffle 2 is used to adjust the flow rate of the material falling from the hopper 1 into the extruder.

[0032] like Figure 2 and Figure 3 As shown, a flange 12 is provided at the bottom end of the feed pipe 11, and flange holes 13 are evenly provided at the edge of the flange 12; the flange 12 and the flange holes 13 are convenient for connecting the feed pipe 11 and the conveying cylinder 31. A chassis 14 is provided at the bottom end of the hopper 1, and bolt holes 15 are provided at the corners of the chassis 14; the cooperation between the chassis 14 and the bolt holes 15 is convenient for connecting the hopper 1 to the extruder. An adjustment hole 16 is provided at the back of the hopper 1 near the bottom end, and the adjustment hole 16 is convenient for installing the adjustment baffle 2, and is convenient for installing and using the adjustment baffle 2. A positioning plate 17 is provided on the back of the hopper 1 along the upper side of the adjustment hole 16, and a positioning knob 18 is provided on the upper surface of the positioning plate 17; the positioning plate 17 and the positioning knob 18 are convenient for fixing the position of the adjustment baffle 2.

[0033] like Figure 4 As shown, the adjusting baffle 2 is inserted into the adjusting hole 16 , and a groove 21 is provided at one end of the bottom surface of the adjusting baffle 2 close to the outside; the groove 21 is convenient for pulling the adjusting baffle 2 , so as to facilitate the disassembly, assembly and adjustment of the adjusting baffle 2 .

[0034] like Figure 5As shown, a connection plate 311 is provided at the top of the conveying cylinder 31, and a plurality of connection holes 312 are provided at the edge of the connection plate 311. The cooperation between the connection plate 311 and the connection holes 312 is convenient for connecting the conveying cylinder 31 and the hopper 1. The feed box 313 is vertically arranged upward, and a bearing 314 is provided at the bottom of the conveying cylinder 31. The bearing 314 is convenient for rotating connection with the spiral conveying rod 32. A connecting shaft 321 is provided at the bottom of the spiral conveying rod 32. The connecting shaft 321 is interference-connected with the bearing 314 to facilitate the rotation of the spiral conveying rod 32. A driving slot 322 is provided at the bottom of the connecting shaft 321. This structure is convenient for connecting with the motor 33. A driving shaft 331 is provided at the output end of the motor 33, and the driving shaft 331 is inserted into the driving slot 322; and a plurality of mounting feet 332 are provided at the position where the motor 33 fits the bottom of the conveying cylinder 31. The mounting feet 332 fix the motor 33 to the bottom of the conveying cylinder 31 by bolts.

[0035] like Figure 6 As shown, a bracket 4 is provided below the conveying cylinder 31, and the bracket 4 facilitates the stability of the entire screw conveying assembly 3. A support plate 41 is provided on the top of the bracket 4, and a plurality of fixing holes 42 are provided on the support plate 41. The support plate 41 and the conveying cylinder 31 are connected by bolts; this structure facilitates the bracket 4 to be stably connected and fixed to the screw conveying assembly 3. A bottom plate 43 is provided at the bottom end of the bracket 4, and a plurality of mounting holes 44 are provided on both sides of the bottom plate 43. The bottom plate 43 and the mounting holes 44 facilitate the bracket 4 to be stabilized at a specified position.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stable feeding device for a conveyor belt extruder, comprising a hopper (1), characterized in that: A feed pipe (11) is provided on the side of the hopper (1), and the feed pipe (11) is connected to a screw conveying assembly (3). The screw conveying assembly (3) is arranged to be tilted downward, and comprises a conveying cylinder (31), a screw conveying rod (32) and a motor (33). The top end of the conveying cylinder (31) is opened, and a screw conveying rod (32) is provided inside the conveying cylinder (31). The top end of the screw conveying rod (32) is inserted into the feed pipe (11), and the top end of the conveying cylinder (31) and the feed pipe (11) are connected by bolts; a motor (33) is provided at the bottom end of the conveying cylinder (31), and the output end of the motor (33) is connected to the screw conveying rod (32); a feed box (313) is provided at the bottom end of the side of the conveying cylinder (31); an adjusting baffle (2) is provided at a position near the bottom of the inner side of the hopper (1), and the adjusting baffle (2) is used to adjust the flow rate of the material falling from the hopper (1) into the extruder.

2. A stable feeding device for a conveyor belt extruder according to claim 1, characterized in that: A flange (12) is provided at the bottom end of the feed pipe (11), and flange holes (13) are evenly arranged on the edge of the flange (12); a bottom plate (14) is provided at the bottom end of the hopper (1), and bolt holes (15) are provided at the corners of the bottom plate (14); an adjustment hole (16) is provided at a position near the bottom end of the back side of the hopper (1), and a positioning plate (17) is provided at the back side of the hopper (1) above the adjustment hole (16), and a positioning knob (18) is provided on the upper surface of the positioning plate (17).

3. A stable feeding device for a conveyor belt extruder according to claim 2, characterized in that: The adjusting baffle (2) is inserted into the adjusting hole (16), and a groove (21) is provided at one end of the bottom surface of the adjusting baffle (2) close to the outside.

4. A stable feeding device for a conveyor belt extruder according to claim 1, characterized in that: A connection plate (311) is provided at the top end of the conveying cylinder (31), a plurality of connection holes (312) are provided at the edge of the connection plate (311), the feed box (313) is arranged vertically upward, and a bearing (314) is provided at the bottom end of the conveying cylinder (31).

5. A stable feeding device for a conveyor belt extruder according to claim 4, characterized in that: A connecting shaft (321) is provided at the bottom end of the spiral conveying rod (32), the connecting shaft (321) is interference-connected with the bearing (314), and a driving slot (322) is provided at the bottom end of the connecting shaft (321).

6. A stable feeding device for a conveyor belt extruder according to claim 5, characterized in that: The output end of the motor (33) is provided with a driving shaft (331), and the driving shaft (331) is inserted into the driving slot (322); and a plurality of mounting feet (332) are provided at a position where the motor (33) is in contact with the bottom end of the conveying cylinder (31), and the mounting feet (332) fix the motor (33) to the bottom end of the conveying cylinder (31) by means of bolts.

7. A stable feeding device for a conveyor belt extruder according to any one of claims 1 to 6, characterized in that: A bracket (4) is provided below the conveying cylinder (31), a support plate (41) is provided on the top of the bracket (4), a plurality of fixing holes (42) are provided on the support plate (41), and the support plate (41) and the conveying cylinder (31) are connected by bolts; a bottom plate (43) is provided at the bottom end of the bracket (4), and a plurality of mounting holes (44) are provided on both sides of the bottom plate (43).

Images