Feeding equipment of spiral plastic extruder

Abstract

The utility model relates to the technical field of plastic extruders, and discloses feeding equipment of a spiral plastic extruder, which comprises an equipment main body, an adjusting mechanism and a conveying mechanism, the top end of the equipment main body is movably connected with the bottom end of the conveying mechanism, the top end of the adjusting mechanism is fixedly connected with the bottom end of the conveying mechanism, and the conveying mechanism is fixedly connected with the adjusting mechanism. The equipment main body comprises a bottom plate, and the top end of the bottom plate is fixedly connected with a first mounting frame; the equipment is placed at a proper position, the bottom end of the adjusting mechanism is aligned with the feeding position of the extruder, plastic raw materials are poured into the discharging hopper and fall into the conveying cylinder through the first telescopic hose under the gravity effect, the second servo motor drives the transmission shaft to rotate, the spiral blade rotates continuously, and the plastic raw materials are conveyed into the conveying cylinder through the conveying cylinder. Raw materials in the conveying cylinder are upwards conveyed to a high position along the inner wall of the conveying cylinder and fall into the extruder through the adjusting mechanism, so that the working intensity of operators is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic extruders, and more specifically to a feeding device for a spiral plastic extruder. Background Art

[0002] Plastics are light in weight, chemically stable and not prone to rust, have good impact resistance, good wear resistance, good insulation, strong corrosion resistance, do not react with acids and alkalis, have low manufacturing costs, and are easy to be molded into different shapes. They are widely used in China's agriculture, forestry, animal husbandry, fishery and packaging industries. Plastics are made of high molecular weight synthetic resins as the main components, with appropriate additives such as plasticizers, stabilizers, antioxidants, flame retardants, colorants, etc., processed into plastic (flexible) materials, or rigid materials formed by curing and cross-linking. During the processing, a spiral plastic extruder is used to heat and pressurize the material to continuously flow through the die, which is also called "extrusion".

[0003] Insufficient existing technology: When using a spiral plastic extruder to process plastics, the raw materials required for plastic processing are often directly poured into the hopper at the top of the extruder, so that the plastic raw materials enter the extruder under the action of gravity. However, the spiral extruder is generally large in size and the hopper is high. During the loading process, the raw materials are mostly poured into the hopper manually, which increases the workload of the operator and affects work efficiency. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides a feeding device for a spiral plastic extruder to solve the problems existing in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a feeding device for a spiral plastic extruder, comprising an equipment main body, and also comprising: an adjusting mechanism and a conveying mechanism, the top of the equipment main body is movably connected to the bottom end of the conveying mechanism, the top of the adjusting mechanism is fixedly connected to the bottom end of the conveying mechanism, the equipment main body comprises a bottom plate, the top of the bottom plate is fixedly connected to a first mounting bracket, the top of the first mounting bracket is fixedly connected to a discharge hopper, the bottom end of the discharge hopper is fixedly connected to a first telescopic hose, the top of the bottom plate is fixedly connected to a second mounting bracket, the conveying mechanism comprises a conveying cylinder, the bottom end of the conveying cylinder is fixedly connected to a second mounting shaft, the side of the second mounting shaft is movably sleeved with the top end of the second mounting bracket, the top of the conveying cylinder is fixedly connected to a second servo motor, the top of the conveying cylinder is movably sleeved with a transmission shaft, the side of the transmission shaft is fixedly connected to a spiral blade, the side of the spiral blade is movably connected to the side inner wall of the conveying cylinder, and the output shaft of the second servo motor is fixedly connected to the top of the transmission shaft.

[0006] Furthermore, the adjustment mechanism includes a third mounting bracket, the top of the third mounting bracket is fixedly connected to the bottom end of the conveying cylinder, the side of the third mounting bracket is movably sleeved with a first mounting shaft, the side of the first mounting shaft is fixedly connected with a discharge pipe, the top of the discharge pipe is fixedly connected with a second telescopic hose, and the top of the second telescopic hose is fixedly connected to the bottom end of the conveying cylinder.

[0007] Furthermore, the top end of the base plate is movably connected to a hydraulic telescopic rod via a pin, the top end of the hydraulic telescopic rod is movably connected to a support frame via a pin, and the top end of the support frame is fixedly connected to the bottom end of the conveying cylinder.

[0008] Furthermore, a first servo motor is fixedly connected to the side of the third mounting frame, a worm is fixedly connected to the output shaft of the first servo motor, a worm gear is fixedly sleeved on the side of the first mounting shaft, and the bottom end of the worm gear is meshed with the top end of the worm.

[0009] Technical effects and advantages of the utility model:

[0010] 1. The utility model places the device at a suitable position and aligns the bottom end of the adjusting mechanism with the feeding position of the extruder, pours the plastic raw material into the discharge hopper, and drops into the conveying cylinder through the first telescopic hose under the action of gravity. The second servo motor drives the transmission shaft to rotate, so that the spiral blades rotate continuously, and the raw material in the conveying cylinder is transported upward along the inner wall of the conveying cylinder to a high place, and drops into the extruder through the adjusting mechanism, which is conducive to reducing the work intensity of operators and improving work efficiency.

[0011] 2. The utility model pushes the support frame through the hydraulic telescopic rod to make the conveying cylinder rotate along the second installation axis, so that the bottom end of the discharge pipe moves to a suitable height, starts the first servo motor to drive the worm to rotate, and the first installation axis drives the discharge pipe to rotate through the mutual engagement of the worm and the worm gear, so that the discharge pipe remains vertically downward and aligned with the extruder feed port, which is conducive to feeding extruders of different models and heights and improving the flexibility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the conveying mechanism of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0015] Figure 4 This is a schematic diagram of the cross-sectional structure of the conveying tube of the utility model;

[0016] Figure 5This is a structural schematic diagram of the second embodiment of the utility model;

[0017] Figure 6 This is a structural schematic diagram of embodiment 3 of the present utility model.

[0018] The accompanying drawings are marked as follows: 1. Equipment body; 101. Bottom plate; 102. Discharging hopper; 103. First mounting frame; 104. First telescopic hose; 105. Second mounting frame; 2. Adjustment mechanism; 201. Third mounting frame; 202. Second telescopic hose; 203. Discharging pipe; 204. Worm gear; 205. First mounting shaft; 206. First servo motor; 207. Worm; 3. Conveying mechanism; 301. Conveying cylinder; 302. Support frame; 303. Hydraulic telescopic rod; 304. Second servo motor; 305. Transmission shaft; 306. Spiral blade; 307. Second mounting shaft; 4. Top plate; 5. Third servo motor; 6. Agitator paddle; 7. Dial; 8. Pointer. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The feeding device of a spiral plastic extruder involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0020] Embodiment 1:

[0021] Reference Figures 1 to 4The utility model provides a feeding device for a spiral plastic extruder, comprising an equipment body 1, and also comprising: an adjusting mechanism 2 and a conveying mechanism 3, the top of the equipment body 1 is movably connected to the bottom end of the conveying mechanism 3, the top of the adjusting mechanism 2 is fixedly connected to the bottom end of the conveying mechanism 3, the equipment body 1 comprises a bottom plate 101, the top of the bottom plate 101 is fixedly connected with a first mounting frame 103, the top of the first mounting frame 103 is fixedly connected with a discharge hopper 102, the bottom end of the discharge hopper 102 is fixedly connected with a first telescopic hose 104, the top of the bottom plate 101 is fixedly connected with a second mounting frame 105, the conveying mechanism 3 comprises a conveying cylinder 301, the bottom end of the conveying cylinder 301 is fixedly connected with a second mounting shaft 307, the side of the second mounting shaft 307 is movably sleeved with the top of the second mounting frame 105, The top is fixedly connected with a second servo motor 304, the top of the conveying cylinder 301 is movably sleeved with a transmission shaft 305, the side of the transmission shaft 305 is fixedly connected with a spiral blade 306, the side of the spiral blade 306 is movably connected to the inner wall of the side of the conveying cylinder 301, the output shaft of the second servo motor 304 is fixedly connected to the top of the transmission shaft 305, the equipment is placed in a suitable position, and the bottom end of the adjustment mechanism 2 is aligned with the feeding position of the extruder, the plastic raw material is poured into the discharge hopper 102, and under the action of gravity, it falls into the conveying cylinder 301 through the first telescopic hose 104, the second servo motor 304 drives the transmission shaft 305 to rotate, so that the spiral blade 306 rotates continuously, and the raw material inside the conveying cylinder 301 is transported upward to a high place along the inner wall of the conveying cylinder 301, and falls into the extruder through the adjustment mechanism 2.

[0022] Among them, the adjustment mechanism 2 includes a third mounting frame 201, the top of the third mounting frame 201 is fixedly connected to the bottom end of the conveying cylinder 301, the side of the third mounting frame 201 is movably sleeved with a first mounting shaft 205, the side of the first mounting shaft 205 is fixedly connected with a discharge pipe 203, the top of the discharge pipe 203 is fixedly connected with a second telescopic hose 202, the top of the second telescopic hose 202 is fixedly connected to the bottom end of the conveying cylinder 301, the discharge pipe 203 rotates along the first mounting shaft 205, so that the discharge pipe 203 remains vertically downward, so that the raw materials inside the conveying cylinder 301 can fall into the extruder through the second telescopic hose 202 and the discharge pipe 203.

[0023] Among them, the top of the base plate 101 is movably connected to the hydraulic telescopic rod 303 through a pin, and the top of the hydraulic telescopic rod 303 is movably connected to the support frame 302 through a pin. The top of the support frame 302 is fixedly connected to the bottom end of the conveying cylinder 301. The hydraulic telescopic rod 303 pushes the support frame 302 to make the conveying cylinder 301 rotate along the second mounting axis 307, so that the bottom end of the discharge pipe 203 moves to a suitable height to feed extruders at different heights.

[0024] Among them, the side of the third mounting frame 201 is fixedly connected to the first servo motor 206, the output shaft of the first servo motor 206 is fixedly connected to the worm 207, the side of the first mounting shaft 205 is fixedly sleeved with a worm gear 204, the bottom end of the worm gear 204 and the top end of the worm 207 are meshed with each other, the first servo motor 206 drives the worm 207 to rotate, and the first mounting shaft 205 drives the discharge pipe 203 to rotate through the mutual meshing of the worm 207 and the worm gear 204, so that the discharge pipe 203 remains vertically downward.

[0025] The working principle of the first embodiment of the present utility model is as follows: the equipment is placed in a suitable position. According to the height of the feeding extruder required, the hydraulic telescopic rod 303 pushes the support frame 302 to rotate the conveying cylinder 301 along the second installation axis 307, so that the bottom end of the discharge pipe 203 moves to a suitable height, and the first servo motor 206 is started to drive the worm 207 to rotate. The worm 207 and the worm gear 204 are meshed with each other to drive the first installation axis 205 to rotate the discharge pipe 203, so that the discharge pipe 203 is kept vertically downward and aligned with the feed port of the extruder, and the plastic raw material is poured into the discharge hopper 102. Under the action of gravity, it falls into the conveying cylinder 301 through the first telescopic hose 104. The second servo motor 304 drives the transmission shaft 305 to rotate, so that the spiral blade 306 rotates continuously, and the raw material inside the conveying cylinder 301 is conveyed upward to a high place along the inner wall of the conveying cylinder 301, and falls into the extruder through the second telescopic hose 202 and the discharge pipe 203.

[0026] Embodiment 2:

[0027] Reference Figure 5 In a preferred embodiment, the top of the discharge hopper 102 is fixedly connected to a top plate 4, the top of the top plate 4 is fixedly connected to a third servo motor 5, the output shaft of the third servo motor 5 passes through the bottom of the top plate 4 and is fixedly connected to a stirring paddle 6, the third servo motor 5 drives the stirring paddle 6 to rotate to stir the plastic raw materials inside the discharge hopper 102 to avoid the accumulation of raw materials inside the discharge hopper 102 and causing blockage. The difference between Example 2 and Example 1 is that the third servo motor 5 is added to drive the stirring paddle 6 to rotate to stir the raw materials inside the discharge hopper 102 to avoid blockage.

[0028] Embodiment three:

[0029] Reference Figure 6In a preferred embodiment, a dial 7 is fixedly connected to the side of the second mounting bracket 105 at a position corresponding to the second mounting shaft 307, and a pointer 8 is fixedly connected to the side of the second mounting shaft 307 at a position corresponding to the dial 7. The pointer 8 rotates along with the second mounting shaft 307, and the height of the bottom of the discharge pipe 203 is determined by the position of the pointer 8 on the dial 7, so as to facilitate the adjustment of the equipment. The difference between Example 3 and Example 1 is that the height of the discharge pipe 203 is determined by the position of the pointer 8 on the dial 7.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A feeding device for a spiral plastic extruder, comprising a device body (1), It is characterized in that Also includes: The device body (1) comprises an adjusting mechanism (2) and a conveying mechanism (3), wherein the top end of the device body (1) is movably connected to the bottom end of the conveying mechanism (3), the top end of the adjusting mechanism (2) is fixedly connected to the bottom end of the conveying mechanism (3), the device body (1) comprises a bottom plate (101), the top end of the bottom plate (101) is fixedly connected to a first mounting frame (103), the top end of the first mounting frame (103) is fixedly connected to a discharge hopper (102), the bottom end of the discharge hopper (102) is fixedly connected to a first telescopic hose (104), the top end of the bottom plate (101) is fixedly connected to a second mounting frame (105), and the conveying mechanism (3) comprises a conveying cylinder (301), the bottom end of the conveying cylinder (301) is fixedly connected to a second mounting shaft (307), the side of the second mounting shaft (307) is movably connected to the top of the second mounting frame (105), the top of the conveying cylinder (301) is fixedly connected to a second servo motor (304), the top of the conveying cylinder (301) is movably connected to a transmission shaft (305), the side of the transmission shaft (305) is fixedly connected to a spiral blade (306), the side of the spiral blade (306) is movably connected to the inner wall of the side of the conveying cylinder (301), and the output shaft of the second servo motor (304) is fixedly connected to the top of the transmission shaft (305).

2. A feeding device for a spiral plastic extruder according to claim 1, Features: The adjustment mechanism (2) comprises a third mounting frame (201), the top end of the third mounting frame (201) is fixedly connected to the bottom end of the conveying cylinder (301), the side of the third mounting frame (201) is movably sleeved with a first mounting shaft (205), the side of the first mounting shaft (205) is fixedly connected to a discharge pipe (203), the top end of the discharge pipe (203) is fixedly connected to a second telescopic hose (202), and the top end of the second telescopic hose (202) is fixedly connected to the bottom end of the conveying cylinder (301).

3. A feeding device for a spiral plastic extruder according to claim 1, Features: The top end of the bottom plate (101) is movably connected to a hydraulic telescopic rod (303) via a pin, the top end of the hydraulic telescopic rod (303) is movably connected to a support frame (302) via a pin, and the top end of the support frame (302) is fixedly connected to the bottom end of the conveying cylinder (301).

4. A feeding device for a spiral plastic extruder according to claim 2, Features: A first servo motor (206) is fixedly connected to the side of the third mounting frame (201), a worm (207) is fixedly connected to the output shaft of the first servo motor (206), a worm gear (204) is fixedly sleeved on the side of the first mounting shaft (205), and the bottom end of the worm gear (204) is meshed with the top end of the worm gear (207).

5. A feeding device for a spiral plastic extruder according to claim 1, Features: The top end of the discharge hopper (102) is fixedly connected to a top plate (4), the top end of the top plate (4) is fixedly connected to a third servo motor (5), and the output shaft of the third servo motor (5) passes through the bottom end of the top plate (4) and is fixedly connected to a stirring paddle (6).

6. A feeding device for a spiral plastic extruder according to claim 1, Features: A dial (7) is fixedly connected to the side of the second mounting frame (105) at a position corresponding to the second mounting shaft (307), and a pointer (8) is fixedly connected to the side of the second mounting shaft (307) at a position corresponding to the dial (7).

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