Feeding device for polyvinyl chloride granule production

Abstract

The utility model discloses a feeding device for polyvinyl chloride granule production, which comprises a feeding machine shell, a blanking mechanism is fixedly mounted at the bottom end of the inner wall of the feeding machine shell, sliding grooves are formed in the top ends of the two sides of the inner wall of the feeding machine shell, sliding blocks are connected in the two sliding grooves in a sliding manner, a filter plate is fixedly mounted between the two sliding blocks, and the filter plate is fixedly connected with the feeding machine shell. The feeding device comprises a feeding machine shell and a discharging mechanism, the middle portions of the two sides of the feeding machine shell are fixedly communicated with cleaning mechanisms, a feeding assembly is fixedly installed at the top end of the feeding machine shell, and the discharging mechanism comprises a positioning shell and a material guiding block. According to the feeding device, the stirring paddle is arranged in the feeding machine shell, feeding from the interior of the feeding machine shell is facilitated, after the stirring paddle rotates, polyvinyl chloride granule raw materials can slide out of the feeding machine shell conveniently, the phenomenon that the polyvinyl chloride granule raw materials are blocked in the feeding device is avoided, and the feeding efficiency of the feeding device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polyvinyl chloride granular production, in particular to a feeding device for polyvinyl chloride granular production. Background Art

[0002] Polyvinyl chloride (PVC) is an important synthetic material, widely used in industrial production in pellet form. The advantages of PVC pellets include good stability, excellent dielectric properties, and ease of processing and molding. This has led to their widespread use in the manufacture of plastic pipes, the maintenance of mobile phone cases, and in pharmaceuticals, films, and other consumer products. Furthermore, PVC pellets are considered food-grade due to their non-toxic and environmentally friendly properties, further broadening their application range. During PVC pellet production, the raw PVC pellets are fed into the PVC pellet processing equipment through a feeding device.

[0003] However, the traditional feeding device has the following disadvantages:

[0004] When a traditional feeding device is used to transport polyvinyl chloride pellets, the polyvinyl chloride pellets are easily piled up, causing the feed pipe to be blocked by multiple polyvinyl chloride pellets, thereby reducing the feeding efficiency of the feeding device. Utility Model Content

[0005] The purpose of the utility model is to provide a feeding device for the production of polyvinyl chloride pellets, so as to solve the problem that in the process of conveying polyvinyl chloride pellets by the traditional feeding device proposed in the above background technology, polyvinyl chloride pellets are easily piled up, resulting in the feeding pipe being blocked by multiple polyvinyl chloride pellets, thereby reducing the feeding efficiency of the feeding device.

[0006] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0007] Preferably, a stepper motor is fixedly installed on the bottom end of the inner wall of the positioning shell, and an active umbrella-shaped bevel gear is fixedly installed on the output end of the stepper motor. Driven umbrella-shaped bevel gears are fixedly installed on the opposite sides of the two stirring paddles, and the outer sides of the two driven umbrella-shaped bevel gears are meshed with the outer sides of the active umbrella-shaped bevel gears. The bottom end of the positioning shell is fixedly connected to the feeding machine casing. The stepper motor is started after being energized, and the stepper motor drives the active umbrella-shaped bevel gear to rotate. The active umbrella-shaped bevel gear contacts the driven umbrella-shaped bevel gear, and the driven umbrella-shaped bevel gear drives the stirring paddle to rotate. The stirring paddle stirs the polyvinyl chloride granular raw material and then discharges it, and the guide block guides the polyvinyl chloride granular raw material in the feeding machine casing in a direction.

[0008] Preferably, a lifting cylinder is fixedly installed on one side of the top of the two mounting plates away from the length plate, and the movable ends of the two lifting cylinders are fixedly connected to the bottom ends of the two height blocks respectively. The bottom end of the feed hopper is fixedly connected to a feed hose, and the bottom end of the feed hose is fixedly connected to the side opposite to the feeding machine casing. The lifting cylinder performs telescopic movement, and the lifting cylinder pushes the height block from the bottom. The height block slides along the length plate to adjust the feeding height of the feed hopper, and the polyvinyl chloride granular raw material is transported to the feeding machine casing through the feed hopper and the feed hose.

[0009] Preferably, the opposite ends of the two mounting plates are fixedly connected to the side of the feeding machine housing that is directly opposite to the feeding machine housing, and the feeding assembly is mounted on the feeding machine housing through the mounting plates.

[0010] Preferably, the two cleaning mechanisms both include a cleaning shell and a fan, one side of the inner wall of the cleaning shell is fixedly connected to one side of the fan, the air inlet of the cleaning shell is fixedly connected to the side opposite to the feeder shell, and the air outlet of the cleaning shell is fixedly connected to a plurality of through holes. The fan is started after being powered on, and the fan extracts impurities adhered to the surface of the polyvinyl chloride granular raw material in the feeder shell, and the extracted gas is discharged through the through holes.

[0011] Preferably, filter screens are fixedly installed at the connection points between the two cleaning shells and the feeder shell, and the filter screens adhere to impurities adsorbed from the surface of the polyvinyl chloride granular raw material.

[0012] Preferably, support springs are fixedly installed at the bottom ends of the inner walls of the two sliding grooves, and the top ends of the two support springs are fixedly connected to the bottom ends of the two sliding blocks respectively. The sliding blocks squeeze the support springs during the sliding process along the sliding grooves. The support springs are elastic, and the support springs undergo elastic deformation to buffer the extrusion force, making it easier for the filter plate to intercept large-volume polyvinyl chloride granular raw materials.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: by setting up a feeding mechanism, the guide block orients the polyvinyl chloride granular raw material, making it easier for it to be fed from the inside of the feeding machine casing, and after the stirring paddle rotates, it is easier for the polyvinyl chloride granular raw material to slide out of the feeding machine casing, avoiding the phenomenon of the polyvinyl chloride granular raw material being blocked in the feeding device, thereby improving the feeding efficiency of the feeding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is a cross-sectional view of the blanking mechanism of the utility model;

[0017] Figure 4 This is a three-dimensional diagram of the feeding mechanism of the utility model;

[0018] Figure 5 It is a cross-sectional view of the cleaning mechanism of the present utility model.

[0019] In the figure: 1. Feeding machine housing; 2. Cleaning mechanism; 21. Cleaning housing; 22. Fan; 23. Through hole; 3. Feeding assembly; 31. Mounting plate; 32. Length plate; 33. Height block; 34. Connecting plate; 35. Feed hopper; 36. Lifting cylinder; 37. Feed hose; 4. Unloading mechanism; 41. Guide block; 42. Positioning housing; 43. Agitator; 44. Driven umbrella-shaped bevel gear; 45. Stepper motor; 46. Active umbrella-shaped bevel gear; 5. Slide block; 6. Filter plate; 7. Slide trough; 8. Support spring; 9. Filter screen. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-5The utility model provides a feeding device for the production of polyvinyl chloride pellets, comprising a feeding casing 1, a feeding mechanism 4 is fixedly installed at the bottom end of the inner wall of the feeding casing 1, a sliding groove 7 is opened at the top of both sides of the inner wall of the feeding casing 1, a sliding block 5 is slidably connected inside the two sliding grooves 7, a filter plate 6 is fixedly installed between the two sliding blocks 5, a cleaning mechanism 2 is fixedly connected to the middle of both sides of the feeding casing 1, a feeding assembly 3 is fixedly installed at the top of the feeding casing 1, and the feeding mechanism 4 includes a positioning shell 42 and a guide block 4 1. The top of the positioning shell 42 is fixedly connected to the bottom of the guide block 41. Both sides of the inner wall of the positioning shell 42 are rotatably connected with stirring paddles 43 extending into the interior of the feeding machine housing 1. The feeding assembly 3 includes two mounting plates 31 and two length plates 32. One side of the top of the two mounting plates 31 is fixedly connected to the bottom of the two length plates 32 respectively. The middle parts of the two length plates 32 are slidably connected with height blocks 33. A connecting plate 34 is fixedly installed between the two height blocks 33, and a feed hopper 35 is fixedly installed in the middle of the connecting plate 34.

[0022] A stepper motor 45 is fixedly installed on the bottom end of the inner wall of the positioning shell 42, and an active umbrella-shaped bevel gear 46 is fixedly installed on the output end of the stepper motor 45. Driven umbrella-shaped bevel gears 44 are fixedly installed on the opposite side of the two stirring paddles 43. The outer sides of the two driven umbrella-shaped bevel gears 44 are meshed with the outer sides of the active umbrella-shaped bevel gears 46. The bottom end of the positioning shell 42 is fixedly connected to the feeding machine housing 1. After the stepper motor 45 is powered on and started, the stepper motor 45 drives the active umbrella-shaped bevel gear 46 to rotate. The active umbrella-shaped bevel gear 46 contacts the driven umbrella-shaped bevel gear 44, and the driven umbrella-shaped bevel gear 44 drives the stirring paddle 43 to rotate. The stirring paddle 43 stirs the polyvinyl chloride granular raw material and then discharges it, and the guide block 41 directionally guides the polyvinyl chloride granular raw material in the feeding machine housing 1.

[0023] A lifting cylinder 36 is fixedly installed on the side of the top of the two mounting plates 31 away from the length plate 32. The movable ends of the two lifting cylinders 36 are fixedly connected to the bottom ends of the two height blocks 33 respectively. The bottom end of the feed hopper 35 is fixedly connected to a feed hose 37. The bottom end of the feed hose 37 is fixedly connected to the side opposite to the feed machine casing 1. The lifting cylinder 36 performs telescopic movement, and the lifting cylinder 36 pushes the height block 33 from the bottom. The height block 33 slides along the length plate 32 to adjust the feeding height of the feed hopper 35. The polyvinyl chloride granular raw material is transported to the feed machine casing 1 through the feed hopper 35 and the feed hose 37.

[0024] The opposite ends of the two mounting plates 31 are fixedly connected to the side of the feeding machine housing 1 facing each other, and the feeding assembly 3 is mounted on the feeding machine housing 1 through the mounting plates 31 .

[0025] Both cleaning mechanisms 2 include a cleaning shell 21 and a fan 22. One side of the inner wall of the cleaning shell 21 is fixedly connected to one side of the fan 22. The air inlet of the cleaning shell 21 is fixedly connected to the side opposite to the feeder shell 1. The air outlet of the cleaning shell 21 is fixedly connected to a plurality of through holes 23. The fan 22 starts after being powered on. The fan 22 extracts impurities adhered to the surface of the polyvinyl chloride granular raw material in the feeder shell 1, and the extracted gas is discharged through the through holes 23.

[0026] Filter screens 9 are fixedly installed at the connection points between the two cleaning shells 21 and the feeder shell 1, and the filter screens 9 adhere to the impurities adsorbed on the surface of the polyvinyl chloride granular raw material.

[0027] Support springs 8 are fixedly installed at the bottom ends of the inner walls of the two sliding grooves 7. The top ends of the two support springs 8 are fixedly connected to the bottom ends of the two sliding blocks 5 respectively. The sliding blocks 5 squeeze the support springs 8 during the sliding process along the sliding grooves 7. The support springs 8 are elastic, and the support springs 8 undergo elastic deformation to buffer the extrusion force, making it easier for the filter plate 6 to intercept large-volume polyvinyl chloride granular raw materials.

[0028] When the embodiment of the present application is in use, the lifting cylinder 36 performs telescopic movement, and the lifting cylinder 36 pushes the height block 33 from the bottom. The height block 33 slides along the length plate 32 to adjust the feeding height of the feed hopper 35. The polyvinyl chloride granular raw material is transported to the feeding machine housing 1 through the feed hopper 35 and the feed hose 37. The filter plate 6 intercepts the input large volume of polyvinyl chloride granular raw material. The sliding block 5 squeezes the support spring 8 during the sliding process along the sliding groove 7. The support spring 8 is elastic, and the support spring 8 undergoes elastic deformation to buffer the extrusion force, which is convenient for the filter plate 6 to intercept the large volume of polyvinyl chloride granular raw material. The volume of polyvinyl chloride granular raw materials is intercepted, the fan 22 is started after being powered on, the fan 22 extracts impurities adhering to the surface of the polyvinyl chloride granular raw materials in the feeding machine housing 1, and the extracted gas is discharged through the through hole 23, the stepper motor 45 is started after being powered on, the stepper motor 45 drives the active umbrella-shaped bevel gear 46 to rotate, the active umbrella-shaped bevel gear 46 contacts the driven umbrella-shaped bevel gear 44, and the driven umbrella-shaped bevel gear 44 drives the stirring paddle 43 to rotate, the stirring paddle 43 stirs the polyvinyl chloride granular raw materials and then discharges them, and the guide block 41 guides the polyvinyl chloride granular raw materials in the feeding machine housing 1 in a direction.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A feeding device for producing polyvinyl chloride pellets, comprising a feeding housing (1), characterized in that: A feeding mechanism (4) is fixedly installed at the bottom end of the inner wall of the feeding machine housing (1), and a sliding groove (7) is opened at the top of both sides of the inner wall of the feeding machine housing (1), and a sliding block (5) is slidably connected inside the two sliding grooves (7). A filter plate (6) is fixedly installed between the two sliding blocks (5). The middle of both sides of the feeding machine housing (1) is fixedly connected to a cleaning mechanism (2), and a feeding assembly (3) is fixedly installed at the top of the feeding machine housing (1). The feeding mechanism (4) includes a positioning shell (42) and a guide block (41), and the top of the positioning shell (42) is connected to the guide block. The bottom end of the positioning shell (41) is fixedly connected, and both sides of the inner wall of the positioning shell (42) are rotatably connected with stirring paddles (43) extending into the interior of the feeding machine shell (1). The feeding assembly (3) includes two mounting plates (31) and two length plates (32), and one side of the top of the two mounting plates (31) is fixedly connected to the bottom end of the two length plates (32) respectively. The middle parts of the two length plates (32) are slidably connected with height blocks (33), and a connecting plate (34) is fixedly installed between the two height blocks (33). The middle part of the connecting plate (34) is fixedly installed with a feed hopper (35).

2. The feeding device for producing polyvinyl chloride pellets according to claim 1, characterized in that: A stepper motor (45) is fixedly mounted on the bottom end of the inner wall of the positioning shell (42), and an active umbrella-shaped bevel gear (46) is fixedly mounted on the output end of the stepper motor (45). Driven umbrella-shaped bevel gears (44) are fixedly mounted on opposite sides of the two stirring paddles (43), and the outer sides of the two driven umbrella-shaped bevel gears (44) are meshedly connected with the outer sides of the active umbrella-shaped bevel gear (46). The bottom end of the positioning shell (42) is fixedly connected to the feeder shell (1).

3. The feeding device for producing polyvinyl chloride pellets according to claim 1, characterized in that: A lifting cylinder (36) is fixedly installed on one side of the top of the two mounting plates (31) away from the length plate (32), and the movable ends of the two lifting cylinders (36) are fixedly connected to the bottom ends of the two height blocks (33) respectively. The bottom end of the feed hopper (35) is fixedly connected to a feed hose (37), and the bottom end of the feed hose (37) is fixedly connected to the side facing the feeding machine housing (1).

4. The feeding device for producing polyvinyl chloride pellets according to claim 1, characterized in that: The opposite ends of the two mounting plates (31) are fixedly connected to the opposite side of the feeding machine housing (1).

5. The feeding device for producing polyvinyl chloride pellets according to claim 1, characterized in that: The two cleaning mechanisms (2) each include a cleaning shell (21) and a fan (22), one side of the inner wall of the cleaning shell (21) is fixedly connected to one side of the fan (22), the air inlet of the cleaning shell (21) is fixedly connected to the side facing the feeder shell (1), and the air outlet of the cleaning shell (21) is fixedly connected to a plurality of through holes (23).

6. The feeding device for producing polyvinyl chloride pellets according to claim 5, characterized in that: Filter screens (9) are fixedly installed at the connection points between the two cleaning shells (21) and the feeding machine shell (1).

7. The feeding device for producing polyvinyl chloride pellets according to claim 1, characterized in that: Support springs (8) are fixedly mounted on the bottom ends of the inner walls of the two sliding grooves (7), and the top ends of the two support springs (8) are fixedly connected to the bottom ends of the two sliding blocks (5), respectively.

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