Feeding assembly for extruder

Abstract

The utility model relates to the technical field of extruders, in particular to a feeding assembly for an extruder, which comprises a feeding hopper, a discharging pipe is fixedly mounted at the lower end of the feeding hopper, a conveying pipe is fixedly mounted at the lower end of the discharging pipe, and a scraping component is mounted in the feeding hopper; door openings are formed in the side walls of the left end and the right end of the discharging pipe correspondingly, shielding doors are rotationally connected to the outer sides of the door openings, and a mounting groove is formed in the side wall of the front end of the discharging pipe. Raw materials are poured into the feeding hopper from one side of the upper end of the feeding hopper, enter the conveying pipe after passing through the filtering plate and then enter the extruder, and impurities are filtered out by the filtering plate; then a motor is started to drive a threaded rod to rotate in a reciprocating mode, the threaded rod drives a threaded barrel to drive a connecting rod and a rubber plate to move back and forth on a filtering plate, filtered impurities are pushed to one side of a door opening, the impurities push a shielding door to be discharged out of a discharging pipe, raw materials are filtered, and the feeding assembly is prevented from being blocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to extruder technical field, concretely is a kind of feeding assembly for extruder. BACKGROUND

[0002] According to the angle between the head flow direction and the screw center line, the head can be divided into straight angle head and oblique angle head.

[0003] The existing feeding assembly, when the user pours plastic raw material, the raw material is directly sent into the extrusion equipment, it is difficult to filter while feeding, resulting in more impurities in the plastic raw material, and when the feeding assembly is blocked, it is more troublesome to handle. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of feeding assembly for extruder, to solve the problem raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of feeding assembly for extruder, comprising: feeding hopper, the lower end of the feeding hopper is fixedly installed with discharge pipe, the lower end of discharge pipe is fixedly installed with feed pipe, and scraping component is installed in the feeding hopper;

[0006] The side wall of the left and right ends of discharge pipe is all provided with door hole, the outer side of door hole is rotatably connected with shielding door, the front end side wall of discharge pipe is provided with installation slot, installation slot is located at the lower end of door hole, and filter plate is fixedly installed in installation slot.

[0007] Preferably, the left and right sides of the shielding door are fixedly installed with shaft, the side, away from the shielding door, of the shaft is rotatably connected with ear block, the ear block is fixedly installed on the outer wall of the discharge pipe, the outer wall of the shaft is sleeved with torsion spring, one end of the torsion spring is fixed on the outer wall of the shielding door, and the other end is fixedly installed on the outer wall of the ear block.

[0008] Preferably, the outer end of the filter plate is fixedly installed with mounting plate, the filter plate is slidably inserted into the inner end of installation slot, the mounting plate is located on the inner side of the outer end of installation slot, and is fixedly connected by bolt.

[0009] Preferably, the outer side of the mounting plate is fixedly installed with handle.

[0010] Preferably, the scraping component includes horizontal bar fixedly installed on the upper end of the feeding hopper and motor fixedly installed on the outer end side wall of the feeding hopper, the horizontal bar is U-shaped, the lower end of the horizontal bar is provided with sliding slot, and the inner end of the horizontal bar is rotatably connected with threaded rod.

[0011] Preferably, the output end of the motor is fixedly connected through a shaft coupling and one end of a threaded rod, the outer wall of the threaded rod is threadedly connected with a threaded cylinder, the lower end of the threaded cylinder is fixedly installed with a connecting rod, the lower end of the connecting rod is fixedly installed with a rubber plate, and the rubber plate is located between and parallel to the two shielding doors.

[0012] Preferably, the upper end of the connecting rod is fixedly installed with a sliding block, and the sliding block is located in a sliding groove and is in sliding connection with the inner wall of the sliding groove.

[0013] Compared with the prior art, the motor-driven feeding device has the advantages that:

[0014] By pouring the raw materials into the feeding hopper from the upper end of the feeding hopper, the raw materials enter the feeding pipe after passing through the filter plate and then enter the extruder, the impurities are filtered out by the filter plate, then the motor is started to drive the threaded rod to reciprocating rotate, the threaded rod drives the threaded cylinder to move back and forth on the filter plate with the connecting rod and the rubber plate, the filtered impurities are pushed to one side of the door hole, the impurities push the shielding door to discharge out of the discharge pipe, the raw materials are filtered, and the feeding assembly is prevented from being blocked. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is a feeding hopper section view schematic view of the utility model;

[0017] Figure 3 It is a discharge pipe structure schematic view of the utility model Figure 2 It is a A area structure enlarged view of the utility model;

[0018] Figure 4 It is a discharge pipe structure schematic view of the utility model;

[0019] Figure 5 It is a scraping component structure schematic view of the utility model.

[0020] In the drawing: 1, feeding hopper; 2, discharge pipe; 3, door hole; 4, shielding door; 5, installation groove; 6, filter plate; 7, installation plate; 8, ear block; 9, rotating shaft; 10, torsional spring; 11, feeding pipe; 12, horizontal strip; 13, sliding groove; 14, threaded rod; 15, motor; 16, threaded cylinder; 17, connecting rod; 18, sliding block; 19, rubber plate. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme of the utility model carry on clear, complete description, and the advantage is more clear and distinct, the following combining with the drawing to the utility model embodiment carries on further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without doing the premise of creative labor, belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides a technical scheme: a kind of feeding assembly for extruder, it include: feeding hopper 1, the lower end of feeding hopper 1 is fixedly installed with discharge pipe 2, the lower end of discharge pipe 2 is fixedly installed with feed pipe 11, the side wall of the left and right two ends of discharge pipe 2 is all opened with door hole 3, door hole 3 is rotatably connected with shielding door 4 outside, the left and right sides of each shielding door 4 are all fixedly installed with pivot 9, the side of each pivot 9 away from shielding door 4 is rotatably connected with ear block 8, ear block 8 is fixedly installed on the outer wall of discharge pipe 2, shielding door 4 is located outside door hole 3, and can be rotated on the outer side of discharge pipe 2 by pivot 9, torsional spring 10 is sleeved on the outer wall of pivot 9, one end of torsional spring 10 is fixed on the outer wall of shielding door 4, the other end is fixedly installed on the outer wall of ear block 8, when torsional spring 10 is in equilibrium state, shielding door 4 covers door hole 3.

[0023] The front end side wall of discharge pipe 2 is opened with mounting groove 5, mounting groove 5 is located at the lower end of door hole 3, the inner end of mounting groove 5 extends to the inner wall of discharge pipe 2 rear end through the inner wall of left and right sides of discharge pipe 2, filter plate 6 is fixedly installed in mounting groove 5, mounting plate 7 is fixedly installed on the outer end of filter plate 6, filter plate 6 is slidably inserted into the inner end of mounting groove 5, mounting plate 7 is located in the inner side of the outer end of mounting groove 5, and is fixedly connected by bolt, so that filter plate 6 and mounting plate 7 are fixed, filter plate 6 is across the inner side of discharge pipe 2, and the inner end of discharge pipe 2 is covered, and the raw material entering is filtered, the outer side of mounting plate 7 is fixedly installed with handle, and mounting plate 7 and filter plate 6 are conveniently pulled out by handle.

[0024] A scraping component is arranged in the feeding hopper 1, the scraping component comprises a horizontal bar 12 fixedly arranged at the upper end of the feeding hopper 1 and a motor 15 fixedly arranged at the lateral wall of the outer end of the feeding hopper 1, the horizontal bar 12 is in U shape, a sliding groove 13 is arranged at the lower end of the horizontal bar 12, a threaded rod 14 is rotatably connected to the inner end of the horizontal bar 12, the output end of the motor 15 is fixedly connected to one end of the threaded rod 14 through a shaft coupling, the motor 15 is a servo motor and can drive the threaded rod 14 to rotate in opposite directions, a threaded cylinder 16 is threadedly connected to the outer wall of the threaded rod 14, a connecting rod 17 is fixedly arranged at the lower end of the threaded cylinder 16, a rubber plate 19 is fixedly arranged at the lower end of the connecting rod 17, the lower end of the rubber plate 19 is in contact with the upper surface of the filter plate 6, the rubber plate 19 is located between the two shielding doors 4 and is parallel to the two shielding doors 4, when the motor 15 drives the threaded rod 14 to rotate, the threaded rod 14 drives the threaded cylinder 16 to move, thereby moving the rubber plate 19 on the upper surface of the filter plate 6.

[0025] The upper end of the connecting rod 17 is fixedly arranged with a sliding block 18, the sliding block 18 is located in the sliding groove 13 and is in sliding connection with the inner wall of the sliding groove 13, when the motor 15 is started, the threaded rod 14 is driven to reciprocate, the threaded rod 14 drives the threaded cylinder 16 to move the connecting rod 17 and the rubber plate 19 on the filter plate 6, at the same time, the sliding block 18 slides in the sliding groove 13 to guide the connecting rod 17 and the rubber plate 19, when the rubber plate 19 moves on the upper end of the filter plate 6, the filtered impurities are pushed to one side of the door hole 3, the impurities push the shielding door 4 to be discharged out of the discharge pipe 2, and the raw material passes through the filter plate 6, enters the conveying pipe 11 and then enters the extruder.

[0026] In actual use, the raw material is poured into the feeding hopper 1 from one side of the upper end of the feeding hopper 1, the raw material passes through the filter plate 6, enters the conveying pipe 11 and then enters the extruder, the impurities are filtered out by the filter plate 6, then the motor 15 is started to drive the threaded rod 14 to reciprocate, the threaded rod 14 drives the threaded cylinder 16 to move the connecting rod 17 and the rubber plate 19 on the filter plate 6, the filtered impurities are pushed to one side of the door hole 3, and the impurities push the shielding door 4 to be discharged out of the discharge pipe 2.

[0027] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A feed assembly for an extruder, comprising: The utility model provides an improved feeding hopper, which comprises a feeding hopper (1), a discharge pipe (2) fixedly installed at the lower end of the feeding hopper (1), a feeding pipe (11) fixedly installed at the lower end of the discharge pipe (2), and a scraping component installed in the feeding hopper (1). The outer side of the door opening (3) is rotatably connected with a shielding door (4), the front end side wall of the discharge pipe (2) is provided with an installation slot (5), the installation slot (5) is located at the lower end of the door opening (3), and the installation slot (5) is fixedly installed with a filter plate (6).

2. A feed assembly for an extruder as claimed in claim 1, wherein: The left and right sides of the shielding door (4) are fixedly installed with rotating shafts (9), the side, away from the shielding door (4), of the rotating shaft (9) is rotatably connected with an ear block (8), the ear block (8) is fixedly installed on the outer wall of the discharge pipe (2), the outer wall of the rotating shaft (9) is sleeved with a torsional spring (10), one end of the torsional spring (10) is fixed on the outer wall of the shielding door (4), and the other end is fixedly installed on the outer wall of the ear block (8).

3. A feed assembly for an extruder as defined in claim 1, wherein: The outer end of the filter plate (6) is fixedly installed with an installation plate (7), the filter plate (6) is slidably inserted into the inner end of the installation slot (5), the installation plate (7) is located on the inner side of the outer end of the installation slot (5) and is fixedly connected through bolts.

4. A feed assembly for an extruder as claimed in claim 3, wherein: The outer side of the installation plate (7) is fixedly installed with a handle.

5. A feed assembly for an extruder as defined in claim 1, wherein: The scraping component comprises a horizontal bar (12) fixedly installed at the upper end of the feeding hopper (1) and a motor (15) fixedly installed at the outer end side wall of the feeding hopper (1), the horizontal bar (12) is U-shaped, the lower end of the horizontal bar (12) is provided with a sliding groove (13), and the inner end of the horizontal bar (12) is rotatably connected with a threaded rod (14).

6. A feed assembly for an extruder as claimed in claim 5, wherein: The output end of the motor (15) is fixedly connected with one end of the threaded rod (14) through a shaft coupling, the outer wall of the threaded rod (14) is threadedly connected with a threaded cylinder (16), the lower end of the threaded cylinder (16) is fixedly installed with a connecting rod (17), the lower end of the connecting rod (17) is fixedly installed with a rubber plate (19), the rubber plate (19) is located between the two shielding doors (4) and is parallel to the two shielding doors (4).

7. A feed assembly for an extruder as claimed in claim 6, wherein: The upper end of the connecting rod (17) is fixedly installed with a sliding block (18), the sliding block (18) is located in the sliding groove (13) and is slidably connected with the inner wall of the sliding groove (13).

Images