CN219360246U - Auxiliary feeding device of double-screw extruder - Google Patents

Abstract

The application relates to an auxiliary feeding device of a double-screw extruder, which belongs to the field of double-screw extruder equipment and comprises a feeding hopper, wherein a storage box is arranged on the side wall of the feeding hopper, a discharging pipe is arranged on one side of the storage box, which faces the feeding hopper, the discharging pipe is equal in width with the storage box and is obliquely downward corresponding to the feeding hopper, a push plate is slidably connected in the storage box, and a driving assembly for driving the push plate to move is arranged on the storage box. The feeding hopper blanking opening plugging reducing device has the effect of reducing the blocking of the feeding hopper blanking opening.

Description

Auxiliary feeding device of double-screw extruder

Technical Field

The application relates to the field of double-screw extruder equipment, in particular to an auxiliary feeding device of a double-screw extruder.

Background

The screw extruder relies on pressure and shearing force generated by screw rotation, so that materials can be fully plasticized and uniformly mixed, the materials are molded through a die, and when the extruder is used, raw materials are required to be poured into a feeding hopper and then fed through the feeding hopper.

Because the raw materials of the extruder are usually various master batches, the granular raw materials are easy to arch or the discharge opening of the feeding hopper is accumulated and blocked due to excessive amount of granules.

Disclosure of Invention

In order to solve the problem that stacking blockage occurs at a feed opening of a feeding hopper, the application provides an auxiliary feeding device of a double-screw extruder.

The application provides an auxiliary feeding device of a double-screw extruder adopts the following technical scheme:

the utility model provides an auxiliary feeding device of double screw extruder, includes the feeding hopper, the feeding hopper lateral wall is equipped with the storage case, one side that the storage case towards the feeding hopper is equipped with the discharging pipe, the discharging pipe is equal wide and the slope downwards corresponds with the feeding hopper with the storage case, sliding connection has the push pedal in the storage case, be equipped with the drive assembly who is used for driving the push pedal to remove on the storage case. .

Through adopting above-mentioned technical scheme, in the storage case was deposited to the raw materials, drive assembly drove the push pedal and upwards moved, and the push pedal drives the raw materials on it and removes to discharging pipe department for in the raw materials was fallen to the feeding hopper from the discharging pipe, realized lasting, quantitative feeding, reduced the possibility that the feeding hopper feed opening was blockked up, simultaneously because discharging pipe and storage case are equi-wide, make the material outlet pipe be uncovered, do benefit to the patency that promotes raw materials output.

Optionally, the drive assembly includes servo motor and traction belt, the storage tank top is equipped with the horizontal pole, rotate on the horizontal pole and be connected with a plurality of guide pulleys, servo motor installs at the storage tank lateral wall, and is equipped with the traction wheel on servo motor's the motor shaft, the one end of traction belt is connected and twines on the traction wheel, and the other end is connected with the push pedal after bypassing each guide pulley.

Through adopting above-mentioned technical scheme, servo motor drive traction wheel rotates, and traction wheel rolling traction belt for traction belt pulling push pedal upward movement drives the raw materials and reciprocates, and the position accuracy is high, the output of the control raw materials of being convenient for.

Optionally, the storage box is provided with a sliding seat, the cross rod is horizontally and slidably connected to the sliding seat, and the cross rod is connected with an adjusting screw which abuts against the sliding seat in a threaded manner.

By adopting the technical scheme, an operator can move the cross rod to adjust the position of the guide wheel, so that the traction belt is kept vertical, and the traction stability of the push plate is improved.

Optionally, the push pedal up end slope sets up, and slope decurrent one side corresponds with the discharging pipe.

By adopting the technical scheme, the raw materials can slide downwards along the inclination of the push plate, and the retention of the raw materials on the push plate is reduced.

Optionally, the bottom surface of the push plate is vertically provided with a guide pillar, and the bottom of the storage box is provided with a guide sleeve for the guide pillar to penetrate out.

By adopting the technical scheme, the guide post and the guide sleeve play a role in guiding the push plate, and the push plate is stabilized to move up and down.

Optionally, a plurality of balls propped against the guide post are embedded in the inner wall of the guide sleeve.

By adopting the technical scheme, the ball is beneficial to reducing the resistance born by the guide post when moving relative to the guide sleeve.

Optionally, a bracket for supporting on the extruder base is arranged on the storage box.

By adopting the technical scheme, the bracket plays a role in supporting the storage box, and reduces the load brought by the bracket to the feeding hopper.

Optionally, the bracket includes pole setting and pole cover, the pole setting is equipped with two and parallel connection in storage tank bottom, pole cover and pole setting one-to-one and cover are established in the pole setting, the pole cover offsets with the frame of extruder, threaded connection has the stop screw that offsets with the pole setting on the pole cover.

By adopting the technical scheme, an operator can slide the rod sleeve according to the distance between the storage box and the extruder base, and adjust the length of the bracket to be matched with the rod sleeve, so that the application range of the bracket is increased.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the continuous and quantitative feeding is carried out on the feeding hopper, so that the possibility that the feeding opening of the feeding hopper is blocked is reduced;

2. the operator can move the cross bar to adjust the position of the guide wheel, so that the traction belt is kept vertical, and the traction stability of the push plate is improved; the length of the bracket can be adjusted according to the distance between the storage box and the extruder base, so that the application range of the bracket is increased.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

FIG. 2 is a schematic view of a structure embodying the push plate and the tapping pipe according to an embodiment of the present application.

Fig. 3 is an enlarged view at a in fig. 2.

Reference numerals illustrate: 1. a feeding hopper; 2. a storage bin; 21. a discharge pipe; 22. a push plate; 3. a drive assembly; 31. a servo motor; 311. a traction wheel; 32. a traction belt; 33. a cross bar; 331. an adjusting screw; 34. a guide wheel; 35. a slide; 41. a guide post; 42. guide sleeve; 421. a ball; 5. a bracket; 51. a vertical rod; 52. a rod sleeve; 521. and (5) limiting screws.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses an auxiliary feeding device of a double-screw extruder. As shown in figure 1, the auxiliary feeding device of the double-screw extruder comprises a feeding hopper 1, wherein a storage box 2 with an upward opening is arranged on the side wall of the feeding hopper 1, the section of the storage box 2 is rectangular, a discharging pipe 21 which is obliquely downward is arranged on one side of the storage box 2 facing the feeding hopper 1, and the discharging pipe 21 is equal in width with the storage box 2 and is positioned above the feeding hopper 1.

As shown in fig. 2 and 3, a push plate 22 moving along the height direction of the push plate 22 is slidably connected in the storage box 2, the periphery of the push plate 22 is attached to the inner wall of the storage box 2, the upper surface of the push plate 22 is obliquely arranged, one side of the push plate 22 obliquely downward faces the discharging pipe 21, two guide posts 41 parallel to each other are vertically arranged on the bottom surface of the push plate 22, guide sleeves 42 corresponding to the guide posts 41 one by one are arranged at the bottom of the storage box 2, the guide posts 41 penetrate out of the storage box 2 from the inside of the guide sleeves 42, and a plurality of balls 421 propped against the guide posts 41 are embedded in the inner wall of the guide sleeves 42; when the push plate 22 moves up and down, the push plate 22 drives the guide post 41 to move along the guide sleeve 42, the guide sleeve 42 plays a role in guiding the guide post 41, the movement of the push plate 22 is stabilized, meanwhile, the balls 421 roll along the guide post 41, and the friction resistance between the guide sleeve 42 and the guide post 41 is reduced.

As shown in fig. 2, a driving assembly 3 for driving the push plate 22 to move is arranged on the storage box 2, the driving assembly 3 comprises a slide seat 35 fixed at the top of the storage box 2, the slide seat 35 is positioned at one side of the storage box 2, which is away from the feeding hopper 1, a horizontal cross rod 33 is connected to the slide seat 35 in a sliding manner, a dovetail block and dovetail groove matched sliding structure is adopted between the cross rod 33 and the slide seat 35, an adjusting screw 331 propped against the slide seat 35 is connected to the cross rod 33 in a threaded manner, and the adjusting screw 331 is propped against the slide seat 35 to fix the position of the cross rod 33; the both ends of horizontal pole 33 all rotate and are connected with guide pulley 34, and one of them guide pulley 34 is located the center axis of storage case 2, and another guide pulley 34 is located outside the storage case 2, and servo motor 31 installs at storage case 2 outer wall, and coaxial coupling has traction wheel 311 on servo motor 31's the motor shaft, and traction wheel 311 is located the outside guide pulley 34 below that corresponds of storage case 2, is connected with on the traction wheel 311 and twines and draw the area 32, and the one end that draws the area 32 to keep away from traction wheel 311 upwards bypasses two guide pulley 34 in proper order and then vertically downwards links to each other with push pedal 22.

As shown in fig. 1, a bracket 5 for supporting the bottom of the storage box 2 on the base of the extruder is arranged at the bottom of the storage box 2, the bracket 5 comprises two vertical rods 51 which are parallel to each other and are vertically connected to the bottom of the storage box 2, rod sleeves 52 are sleeved on the two vertical rods 51, the two rod sleeves 52 are propped against the base of the extruder, limit screws 521 propped against the vertical rods 51 are connected to the rod sleeves 52 in a threaded manner, the limit screws 521 are propped against the vertical rods 51, the rod sleeves 52 are fixed with the vertical rods 51, the storage box 2 is supported, the acting force on the feeding hopper 1 is reduced, and the connection structure between the feeding hopper 1 and the extruder is facilitated to be stabilized.

The implementation principle of the embodiment of the application is as follows: in the raw material storage box 2, a servo motor 31 drives a traction wheel 311 to rotate a rolling traction belt 32, the traction belt 32 pulls a push plate 22 to move upwards at a constant speed, the raw material gradually rises to a discharge pipe 21 under the pushing of the push plate 22, and then falls into a feeding hopper 1 from the discharge pipe 21 to be sent into an extruder. Because the push plate 22 moves upwards at a constant speed, raw materials are quantitatively and continuously conveyed into the feeding hopper 1 from the discharge pipe 21, the possibility of blockage caused by excessive raw materials in the feeding hopper 1 is reduced, and meanwhile, the discharge pipe 21 adopts a wide-mouth design, so that the output flow of the raw materials is ensured, and the smooth outflow of the raw materials is facilitated. In addition, an operator can adjust the rising speed of the push plate 22 by controlling the rotating speed of the servo motor 31, so that the output speed of raw materials is adjusted, and different feeding requirements of the extruder are met.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. An auxiliary feeding device of a double-screw extruder is characterized in that: including feeding hopper (1), feeding hopper (1) lateral wall is equipped with storage case (2), one side of storage case (2) orientation feeding hopper (1) is equipped with discharging pipe (21), discharging pipe (21) and storage case (2) equal width and slope downwards correspond with feeding hopper (1), sliding connection has push pedal (22) in storage case (2), be equipped with on storage case (2) and be used for driving drive assembly (3) that push pedal (22) removed.

2. The twin screw extruder auxiliary feeding apparatus as defined in claim 1, wherein: the driving assembly (3) comprises a servo motor (31) and a traction belt (32), a cross rod (33) is arranged at the top of the storage box (2), a plurality of guide wheels (34) are rotatably connected to the cross rod (33), the servo motor (31) is arranged on the side wall of the storage box (2), a traction wheel (311) is arranged on a motor shaft of the servo motor (31), one end of the traction belt (32) is connected with the traction wheel (311) and wound on the traction wheel (311), and the other end of the traction belt is connected with the push plate (22) after bypassing each guide wheel (34).

3. The twin screw extruder auxiliary feeding apparatus as defined in claim 2, wherein: the storage box (2) is provided with a sliding seat (35), the cross rod (33) is horizontally and slidably connected to the sliding seat (35), and the cross rod (33) is connected with an adjusting screw (331) propped against the sliding seat (35) in a threaded manner.

4. The twin screw extruder auxiliary feeding apparatus as defined in claim 1, wherein: the upper end face of the push plate (22) is obliquely arranged, and one downward-inclined side corresponds to the discharge pipe (21).

5. The twin screw extruder auxiliary feeding apparatus as defined in claim 1, wherein: the bottom surface of the push plate (22) is vertically provided with a guide pillar (41), and the bottom of the storage box (2) is provided with a guide sleeve (42) for the guide pillar (41) to penetrate out.

6. The twin screw extruder auxiliary feeding apparatus as defined in claim 5, wherein: the inner wall of the guide sleeve (42) is embedded with a plurality of balls (421) which are propped against the guide post (41).

7. The twin screw extruder auxiliary feeding apparatus as defined in claim 1, wherein: the storage box (2) is provided with a bracket (5) for supporting on the extruder base.

8. The twin screw extruder auxiliary feeding apparatus as defined in claim 7, wherein: the bracket (5) comprises a vertical rod (51) and a rod sleeve (52), wherein the vertical rod (51) is provided with two rod sleeves and is connected to the bottom of the storage box (2) in parallel, the rod sleeves (52) are in one-to-one correspondence with the vertical rods (51) and are sleeved on the vertical rods (51), the rod sleeves (52) are propped against the base of the extruder, and the rod sleeves (52) are connected with limiting screws (521) propped against the vertical rods (51) in a threaded manner.