Feeding and conveying device for raw material grinding

Abstract

The utility model discloses a feeding and conveying device for grinding raw materials. The feeding and conveying device comprises a rack and a quantitative discharging unit. A hopper is arranged at the left upper end of the rack, and a conveying pipe is arranged in the middle of the rack; the quantitative discharging unit comprises a supporting shell, a rotating shaft, shifting pieces, a driving assembly and an adjusting cylinder, the supporting shell is arranged at a feeding hole in the front end of the conveying pipe, the upper end of the supporting shell is fixedly connected with the lower end of the hopper, the rotating shaft is rotationally connected to the middle of the supporting shell, and the shifting pieces are evenly distributed on the outer arc face of the rotating shaft; according to the feeding and conveying device for raw material grinding, quantitative feeding can be conducted through the material stirring assemblies, the accuracy is good, the feeding speed can be adjusted, the use convenience is good, and the feeding and conveying device is suitable for being used for raw material grinding. And the processing quality of raw material grinding can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of color masterbatch production, and specifically relates to a feeding and conveying device for raw material grinding. BACKGROUND

[0002] The use of plastic color masterbatch is indispensable in the production of plastics. The main role of plastic color masterbatch is to dye plastic products, so that the plastic products produce different colors and appearance effects in the production and use process, thereby improving the aesthetic degree and market competitiveness of the products. In the process of plastic color masterbatch production, grinding processing will be carried out. In the grinding processing, a feeding and conveying device is used to convey and feed the raw materials, thereby reducing the labor burden of the processing personnel. The existing feeding device is generally a screw conveyor, which has a simple structure and low use cost. However, it is generally impossible to adjust the feeding speed, or the feeding speed is controlled by changing the size of the feeding port of the screw conveyor. However, the flow rate of the raw materials passing through the feeding port will be affected by gravity. When there is a large amount of raw materials in the hopper, the flow rate of the raw materials will be fast, and the amount of raw materials in the hopper will cause fluctuations in the feeding speed. Therefore, the feeding speed is not easy to accurately control. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a feeding and conveying device for raw material grinding. The feeding and conveying device can utilize the stirring assembly for quantitative feeding with good accuracy, the feeding speed can be adjusted, the use convenience is good, and the processing quality of raw material grinding is improved. The problems in the background art can be effectively solved.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a feeding and conveying device for raw material grinding, comprising a rack and a quantitative discharging unit;

[0005] The rack is provided with a hopper at the upper left end, and a material conveying pipe is arranged at the middle part of the rack;

[0006] The quantitative discharging unit comprises a supporting shell, a rotating shaft, a stirring piece, a driving assembly, and an adjusting cylinder. The supporting shell is arranged at the feeding hole of the front end of the material conveying pipe, the upper end of the supporting shell is fixedly connected with the lower end of the hopper, the middle part of the supporting shell is rotatably connected with the rotating shaft, the outer arc surface of the rotating shaft is provided with uniformly distributed stirring pieces, the stirring pieces are slidably connected with the inner arc wall of the supporting shell, the rear end of the supporting shell is provided with a driving assembly for driving the rotating shaft to rotate, the right end of the supporting shell is slidably connected with the adjusting cylinder, and the rotating shaft and the stirring pieces are slidably connected with the adjusting cylinder. The stirring assembly is provided with a rotating stirring assembly, the volume of the stirring assembly can be adjusted, the stirring assembly can be used for quantitative feeding, the feeding speed can be adjusted, the use convenience is good, and the processing quality of raw material grinding is improved.

[0007] Further, the front end of the rack is provided with a control switch group, the input end of the control switch group is electrically connected with the external power supply, and the control of the electric appliance is facilitated.

[0008] Further, the driving assembly comprises a small motor, a small synchronous pulley and a large synchronous pulley, the small motor is arranged outside the support shell, the output shaft of the small motor is provided with the small synchronous pulley, the right end of the rotating shaft is provided with the large synchronous pulley, the large synchronous pulley is in driving connection with the small synchronous pulley through a synchronous belt, and the input end of the small motor is electrically connected with the output end of the control switch group, so that the rotation of the rotating shaft is facilitated.

[0009] Further, the middle part of the adjusting cylinder is rotationally connected with a lead screw, the left end of the lead screw is in threaded connection with the threaded hole in the right end of the rotating shaft, and the position of the adjusting cylinder is facilitated to be adjusted.

[0010] Further, the right end of the lead screw is rotationally connected with a positioning strip, the right side surface of the adjusting cylinder is provided with uniformly distributed clamping grooves, the positioning strip is movably clamped with the clamping grooves, the middle part of the lead screw is provided with a spring sheet, and the spring sheet is arranged in cooperation with the positioning strip, so that the rotation of the lead screw is facilitated to be limited.

[0011] Further, the right end of the lead screw is rotationally connected with a positioning strip, the right side surface of the adjusting cylinder is provided with uniformly distributed clamping grooves, the positioning strip is movably clamped with the clamping grooves, the middle part of the lead screw is provided with a spring sheet, and the spring sheet is arranged in cooperation with the positioning strip, so that the rotation of the lead screw is facilitated to be limited.

[0012] Further, the middle part of the lead screw is rotationally connected with a lead screw, the left end of the lead screw is in threaded connection with the threaded hole in the right end of the rotating shaft, and the position of the adjusting cylinder is facilitated to be adjusted.

[0013] Compared with the prior art, the upper feeding and conveying device for raw material grinding has the following advantages:

[0014] The rotating material stirring assembly is provided, and the volume of the material stirring assembly can be adjusted, so that quantitative feeding can be realized by using the material stirring assembly, the feeding speed can be adjusted, the use convenience is good, and the processing quality of raw material grinding is improved. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is a structural schematic view of the right side of the utility model;

[0017] Figure 3 It is an enlarged structural schematic view of A of the utility model;

[0018] Figure 4 It is a sectional structural schematic view of the quantitative feeding unit of the utility model;

[0019] Figure 5 The utility model discloses B place amplification structure schematic diagram.

[0020] In the drawing: 1 frame, 2 hopper, 3 ration unloading unit, 31 support shell, 32 rotating shaft, 33 poking piece, 34 drive assembly, 341 small motor, 342 small synchronous pulley, 343 big synchronous pulley, 35 adjusting cylinder, 4 conveying pipe, 5 spiral piece, 6 control switch group, 7 big motor, 8 small pulley, 9 big pulley, 10 screw rod, 11 scale, 12 positioning strip, 13 clamping groove, 14 spring piece, 15 pointer block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-5 The embodiment provides a kind of technical scheme: a kind of feeding conveying device for raw material grinding, including frame 1 and ration unloading unit 3;

[0023] Frame 1: its upper left end is equipped with hopper 2, frame 1 provides installation position for other parts, adds the raw material of grinding to the inside of hopper 2, the middle part of frame 1 is equipped with conveying pipe 4, the front end of frame 1 is equipped with control switch group 6, the input end of control switch group 6 is electrically connected with external power supply, the middle part of conveying pipe 4 is rotatably connected with spiral piece 5, the left side surface of frame 1 is equipped with big motor 7, and the output shaft of big motor 7 is equipped with small pulley 8, and the lower end of spiral piece 5 is equipped with big pulley 9, and small pulley 8 and big pulley 9 are connected by belt drive, and the input end of big motor 7 is electrically connected with the output end of control switch group 6, and big motor 7 drives small pulley 8 to rotate, and small pulley 8 drives spiral piece 5 to rotate by belt and big pulley 9, and spiral piece 5 pushes raw material inside to move along conveying pipe 4 to obliquely upper side, then falls from rear end to the inside of grinding equipment;

[0024] Quantitative unloading unit 3: It includes a support shell 31, a rotating shaft 32, a prying piece 33, a driving assembly 34 and an adjusting cylinder 35. The support shell 31 is arranged at the feeding hole at the front end of the feeding pipe 4. The upper end of the support shell 31 is fixedly connected to the lower end of the hopper 2. The middle part of the support shell 31 is rotatably connected to the rotating shaft 32. The outer arc surface of the rotating shaft 32 is provided with evenly distributed prying pieces 33. The prying pieces 33 are all slidably connected to the inner arc wall of the support shell 31. The rear end of the support shell 31 is provided with a driving assembly 34 for driving the rotating shaft 32 to rotate. The right end of the support shell 31 is slidably connected to the adjusting cylinder 35. The rotating shaft 32 and the prying piece 33 are both slidably connected to the adjusting cylinder 35. The driving assembly 34 includes a small motor 341, a small synchronous pulley 342 and a large synchronous pulley 343 The small motor 341 is arranged on the outside of the supporting shell 31, and a small synchronous pulley 342 is provided on the output shaft of the small motor 341. A large synchronous pulley 343 is provided on the right end of the rotating shaft 32. The large synchronous pulley 343 and the small synchronous pulley 342 are connected through a synchronous belt transmission. The input end of the small motor 341 is electrically connected to the output end of the control switch group 6. The small motor 341 drives the small synchronous pulley 342 to rotate, and the small synchronous pulley 342 drives the rotating shaft 32 to rotate through the synchronous belt and the large synchronous pulley 343. The rotating shaft 32 drives the paddle piece 33 to rotate, and the raw material inside the hopper 2 passes through the supporting shell 31 and enters the interior of the trough between the two adjacent paddle pieces 33 and the left side wall of the supporting shell 31 and the left side of the adjusting cylinder 35. The small motor 341 rotates at a constant speed, and the trough The volume is constant, and the material can be discharged at a uniform speed. The raw material flows from the lower end of the support shell 31 into the interior of the feed pipe 4. The middle part of the adjusting cylinder 35 is rotatably connected to the screw rod 10. The left end of the screw rod 10 is threadedly connected to the threaded hole at the right end of the rotating shaft 32. The screw rod 10 is rotated. The screw rod 10 drives the adjusting cylinder 35 to move horizontally along the supporting shell 31 under the action of the threaded hole of the rotating shaft 32, and the distance between the left side surface of the supporting shell 31 and the left side wall of the supporting shell 31 will change, so that the amount of material discharged after the rotating shaft 32 rotates one circle can be controlled, and the feeding speed can be controlled. The right end of the screw rod 10 is rotatably connected to the positioning bar 12, and the right side of the adjusting cylinder 35 is provided with evenly distributed card slots 13, and the positioning bar 12 and the card slot 13 are movable The screw rod 10 is clamped. A spring sheet 14 is provided in the middle of the screw rod 10. The spring sheet 14 is arranged in cooperation with the positioning strip 12. Press the positioning strip 12 away from one end of the adjusting tube 35. The positioning strip 12 rotates around the rotating shaft in the middle of the screw rod 10 to squeeze the spring sheet 14. At the same time, the end of the positioning strip 12 is separated from the card slot 13. Release the positioning strip 12. The spring sheet 14 drives the positioning strip 12 to rotate and movably engage with the card slot 13 to position the screw rod 10. A scale 11 is provided at the right end of the support shell 31, and a pointer block 15 is provided at the right end of the adjusting tube 35. The pointer block 15 is arranged in cooperation with the scale 11. The adjusting tube 35 drives the pointer block 15 to move synchronously and slide relative to the scale 11. The relative position of the pointer block 15 and the scale 11 can be observed to determine the position of the adjusting tube 35.

[0025] The working principle of the feeding and conveying device for raw material grinding provided by the utility model is as follows: when in use, the ground raw material is added into the inside of the hopper 2, the control switch group 6 is adjusted and controlled, the small motor 341 and the large motor 7 are operated, the small motor 341 drives the small synchronous pulley 342 to rotate, the small synchronous pulley 342 drives the rotating shaft 32 to rotate through the synchronous belt and the large synchronous pulley 343, the rotating shaft 32 drives the material stirring piece 33 to rotate, the raw material in the inside of the hopper 2 passes through the supporting shell 31 and enters the inside of the groove between the two adjacent material stirring pieces 33 and the left side wall of the supporting shell 31 and the left side of the adjusting cylinder 35, the small motor 341 rotates at a constant speed, the volume of the groove is constant, and thus the raw material can be discharged at a constant speed, the raw material flows into the inside of the feeding pipe 4 from the lower end of the supporting shell 31, the large motor 7 drives the small pulley 8 to rotate, the small pulley 8 drives the spiral piece 5 to rotate through the belt and the large pulley 9, the spiral piece 5 pushes the raw material in the inside to move along the feeding pipe 4 to the obliquely upper side, and then falls from the rear end into the inside of the grinding equipment, and in the process of use, the feeding speed can be adjusted according to the use requirement, when adjusting, the small motor 341 stops operating, the positioning strip 12 far from the one end of the adjusting cylinder 35 is pressed, the positioning strip 12 rotates to extrude the spring piece 14 around the rotating shaft in the middle of the screw rod 10, at the same time, the end of the positioning strip 12 is separated from the clamping groove 13, then the screw rod 10 can rotate relative to the adjusting cylinder 35, the screw rod 10 drives the adjusting cylinder 35 to move transversely along the supporting shell 31 under the action of the rotating shaft 32 screw hole, and thus the distance between the left side of the supporting shell 31 and the left side wall of the supporting shell 31 will change, and thus the discharging quantity of the rotating shaft 32 rotating one round can be controlled, and thus the feeding speed can be controlled, the adjusting cylinder 35 drives the pointer block 15 to move synchronously and slide relative to the scale 11, the relative position of the pointer block 15 and the scale 11 is observed, and thus the position of the adjusting cylinder 35 can be determined, the feeding speed control is facilitated, and after the adjustment is completed, the positioning strip 12 is loosened, the spring piece 14 drives the positioning strip 12 to rotate and the clamping groove 13 to movably clamp the screw rod 10 to position the screw rod 10.

[0026] It is worth noting that the large motor 7 and the small motor 341 disclosed in the above embodiment can be freely configured according to the actual application scene, the large motor 7 can be selected as a single-phase motor with a model number of YL100L-2, the small motor 341 can be selected as a permanent magnet synchronous speed motor with a model number of 68KTYZ, and the control switch group 6 is provided with a switch button corresponding to the large motor 7 and the small motor 341 for controlling the switch work.

[0027] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation in the content of the utility model specification and drawings or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A feeding and conveying device for raw material grinding, characterized in that: It comprises a frame (1) and a quantitative unloading unit (3); The frame (1) is provided with a hopper (2) at its upper left end, and a feed pipe (4) is provided in the middle of the frame (1); The quantitative feeding unit (3) comprises a supporting shell (31), a rotating shaft (32), a material-dispensing piece (33), a driving assembly (34) and an adjusting cylinder (35). The supporting shell (31) is arranged at the feeding hole at the front end of the feeding pipe (4). The upper end of the supporting shell (31) is fixedly connected to the lower end of the hopper (2). The middle part of the supporting shell (31) is rotatably connected to the rotating shaft (32). The outer arc surface of the rotating shaft (32) is provided with evenly distributed material-dispensing pieces (33). The material-dispensing pieces (33) are all slidably connected to the inner arc wall of the supporting shell (31). The rear end of the supporting shell (31) is provided with a driving assembly (34) for driving the rotating shaft (32) to rotate. The right end of the supporting shell (31) is slidably connected to the adjusting cylinder (35). The rotating shaft (32) and the material-dispensing piece (33) are both slidably connected to the adjusting cylinder (35).

2. A feeding and conveying device for raw material grinding according to claim 1, characterized in that: A control switch group (6) is provided at the front end of the frame (1), and an input end of the control switch group (6) is electrically connected to an external power supply.

3. The feeding and conveying device for raw material grinding according to claim 2, characterized in that: The driving assembly (34) comprises a small motor (341), a small synchronous pulley (342) and a large synchronous pulley (343); the small motor (341) is arranged outside the supporting shell (31); the small synchronous pulley (342) is provided on the output shaft of the small motor (341); the large synchronous pulley (343) is provided at the right end of the rotating shaft (32); the large synchronous pulley (343) and the small synchronous pulley (342) are connected through a synchronous belt transmission; the input end of the small motor (341) is electrically connected to the output end of the control switch group (6).

4. The feeding and conveying device for raw material grinding according to claim 1, characterized in that: The middle part of the adjusting cylinder (35) is rotatably connected with a screw rod (10), and the left end of the screw rod (10) is threadedly connected to the threaded hole at the right end of the rotating shaft (32).

5. The feeding and conveying device for raw material grinding according to claim 4, characterized in that: The right end of the screw rod (10) is rotatably connected to a positioning bar (12); the right side of the adjusting cylinder (35) is provided with evenly distributed card slots (13); the positioning bar (12) and the card slots (13) are movably connected; a spring sheet (14) is provided in the middle of the screw rod (10); the spring sheet (14) and the positioning bar (12) are matched.

6. The feeding and conveying device for raw material grinding according to claim 1, characterized in that: The right end of the support shell (31) is provided with a scale (11), and the right end of the adjustment cylinder (35) is provided with a pointer block (15), and the pointer block (15) is arranged in coordination with the scale (11).

7. The feeding and conveying device for raw material grinding according to claim 2, characterized in that: The middle part of the feeding pipe (4) is rotatably connected with a spiral piece (5), the left side of the frame (1) is provided with a large motor (7), the output shaft of the large motor (7) is provided with a small pulley (8), the lower end of the spiral piece (5) is provided with a large pulley (9), the small pulley (8) and the large pulley (9) are connected through a belt transmission, and the input end of the large motor (7) is electrically connected to the output end of the control switch group (6).

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