CN219076463U - A screw extruder for feed anti-clogging - Google Patents

Abstract

The utility model discloses a screw extruder for anti-clogging of feeding materials, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a decelerating motor, and one end of the output shaft of the decelerating motor is worn through the The connecting plate is fixedly connected with a cam, the upper surface of the bottom plate is fixedly connected with a support frame, one side of the support frame is fixedly connected with a connecting block, and the upper surface of the connecting block is movably connected with a slide bar, and the slide bar and the cam can be in contact. A first spring is movably connected to the outer peripheral wall of the slide bar, and the two ends of the first spring are respectively fixed to the connecting block and the slide bar. The utility model can not only prevent raw materials from sticking to the inner wall of the feeding pipe and blockage through the cooperative use of the cam and the beating head, but also can extrude the heated raw materials through the cooperative use of the extruding rod and the extruding blade to improve The use effect of the device is improved, and the raw material can be dropped into the extruding cylinder in more chunks through the cooperative use of the rack and the stirring rod, which improves the practicability of the device.

Description

A screw extruder for feeding anti-clogging

technical field

The utility model relates to the technical field of extruders, in particular to a screw extruder for anti-clogging feeding.

Background technique

The extruder is also called the screw extruder, which belongs to a kind of plastic machinery. The extruder relies on the pressure and shear force generated by the rotation of the screw, which can make the material fully plasticized and evenly mixed, and then molded through the die. Extruders can be basically classified into twin-screw extruders, single-screw extruders, and rare multi-screw extruders and screwless extruders.

At present, the extruder is widely used. In the processing and manufacturing of plastics, a practical extruder is usually required. During processing, raw materials are usually added to the extrusion barrel manually through the feeding pipe. However, sometimes due to excessive addition of raw materials , It is easy to cause the feed pipe to be blocked, and then affect the extrusion efficiency. Therefore, it is very necessary to propose a screw extruder for feeding to prevent clogging.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a screw extruder for feeding anti-blocking.

In order to achieve the above object, the utility model adopts the following technical solutions:

A screw extruder for feed anti-blocking, comprising a base plate, the upper surface of the base plate is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a geared motor, and one end of the output shaft of the geared motor passes through the connecting plate and is fixed A cam is connected, the upper surface of the bottom plate is fixedly connected with a support frame, one side of the support frame is fixedly connected with a connecting block, the upper surface of the connecting block is movably connected with a slide bar, and the slide bar can contact the cam, and the slide bar The outer wall of the circumference is movably connected with a first spring, and the two ends of the first spring are respectively fixed with the connection block and the slide bar, the top of the slide bar is fixedly connected with a wedge block, and one side of the support frame is movably connected with an insertion rod , and the insertion rod is in contact with the wedge-shaped block, the peripheral outer wall of the insertion rod is movably connected with a second spring, and the two ends of the second spring are respectively fixed with the support frame and the insertion rod, and one end of the insertion rod is fixedly connected with Beat the head, the upper surface of the base plate is fixedly connected with two backing plates, the upper surface of the backing plate is fixedly connected with an extrusion cylinder, the upper surface of the extrusion cylinder is provided with a feeding port, and the feeding port is fixedly connected with a feeding pipe , and the feeding tube and the beating head are in contact.

As a further solution of the utility model, the upper surface of the insertion rod is fixedly connected with a fixed rod, the top of the fixed rod is fixedly connected with a rack, the top of the support frame is movably connected with a rotating rod, and the outer wall of the rotating rod is fixed A gear is connected, and the gear and the rack are in contact, and a plurality of stirring rods are fixedly connected to the outer peripheral wall of the rotating rod, and the stirring rods are located in the feeding pipe.

As a further solution of the utility model, one end of the output shaft of the reduction motor passes through the support frame and the extrusion cylinder and is fixedly connected with an extrusion rod, and the outer peripheral wall of the extrusion rod is fixedly connected with an extrusion blade.

As a further solution of the present invention, heating plates are provided on both inner walls of the extrusion barrel, and the heating plates are distributed symmetrically.

As a further solution of the utility model, a discharge port is opened on one side of the extruding cylinder.

As a further solution of the present utility model, a rotary vane is fixedly connected to the outer peripheral wall of the rotary rod, and the rotary vane is located in the feeding pipe.

As a further solution of the present invention, a control panel is fixedly connected to one side of the support frame, and the control panel is electrically connected to the geared motor.

The beneficial effects of the utility model are:

1. Through the combined use of the cam and the beating head, the deceleration motor rotates and drives the cam to rotate. When the cam rotates to contact with the slide bar and squeeze the slide bar, the first spring contracts at this time, and then the slide bar drives the wedge. The block moves upward along the connecting block, and the wedge-shaped block moves to make the plunger move sideways along the support frame. At this time, the second spring stretches, and the movement of the plunger drives the beating head to move. When the beating head moves to contact with the feeding pipe, And then tap the feeding pipe to avoid the material from sticking to the inner wall of the feeding pipe and causing blockage. When the cam rotates to disengage from the slide bar, under the reset action of the first spring and the second spring, the beating head and the feeding pipe will Breaking away and returning to the original position improves the knocking effect of the device.

2. Through the combined use of the extrusion rod and the extrusion blade, when the raw material needs to be extruded, the staff enters the plastic raw material feeding pipe into the inside of the extrusion barrel, and the heating plate heats the surface of the raw material and molds it. start the deceleration motor, the deceleration motor rotates to make the extrusion rod rotate, and the extrusion rod rotates to make the extrusion blade extrude the heated raw material, and the plasticized raw material is extruded through the discharge port to the molded raw material. effect of using the device.

3. Through the combined use of the rack and the stirring rod, the insertion rod moves while driving the fixed rod to move, the fixed rod moves to make the rack move along the gear, and then the gear drives the rotating rod to rotate, and the rotating rod rotates to drive the stirring rod to rotate, stirring The rod rotates to stir the raw materials, and then makes the raw materials fall into the extruding cylinder in more pieces, which improves the practicability of the device.

Description of drawings

Fig. 1 is the front side three-dimensional structure schematic diagram of a kind of anti-clogging screw extruder proposed by the utility model;

Fig. 2 is a schematic cross-sectional structural view of a screw extruder for feeding anti-clogging proposed by the utility model;

Fig. 3 is a rear side sectional structural schematic diagram of a screw extruder for anti-clogging feeding proposed by the utility model.

In the figure: 1. Base plate; 2. Extrusion cylinder; 3. Support frame; 4. Connecting plate; 5. Cam; 6. Slide bar; 7. First spring; 8. Connecting block; 9. Wedge block; 10. Inserting rod; 11, second spring; 12, beating head; 13, feed pipe; 14, extruding blade; 15, heating plate; 16, extruding rod; 17, stirring rod; 18, fixed rod; 19, rotary 20, rack; 21, gear; 22, rotating rod; 23, outlet; 24, backing plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. It should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense. Concrete meaning in the patent.

Referring to Fig. 1-Fig. 3, a screw extruder for feed anti-blocking, including a bottom plate 1, the upper surface of the bottom plate 1 is fixed with a connecting plate 4 by bolts, and one side of the connecting plate 4 is fixed with a deceleration motor by bolts, and the deceleration One end of the output shaft of the motor passes through the connecting plate 4 and is keyed to a cam 5. The upper surface of the bottom plate 1 is fixed with a support frame 3 by bolts, and one side of the support frame 3 is fixed with a connecting block 8 by bolts. The upper surface of the connecting block 8 is inserted into the A slide bar 6 is connected, and the slide bar 6 can be in contact with the cam 5, and the outer peripheral wall of the slide bar 6 is sleeved with a first spring 7, and the two ends of the first spring 7 are respectively fixed with the connecting block 8 and the slide bar 6, The top of the slide bar 6 is fixed with a wedge-shaped block 9 by bolts, and one side of the support frame 3 is inserted with a plunger 10, and the plunger 10 is in contact with the wedge-shaped block 9, and the outer peripheral wall of the plunger 10 is sleeved with a second spring 11. , and the two ends of the second spring 11 are respectively fixed with the supporting frame 3 and the plunger 10, and one end of the plunger 10 is fixed with a beating head 12 by a bolt, and the upper surface of the bottom plate 1 is fixed with two backing plates 24 by bolts, and the backing The upper surface of the plate 24 is fixed with an extrusion cylinder 2 by bolts, and the upper surface of the extrusion cylinder 2 is provided with a feed inlet, and a feed pipe 13 is fixed in the feed inlet by bolts, and the feed pipe 13 and the beating head 12 can be in contact with each other. , while the deceleration motor rotates, it drives the cam 5 to rotate. When the cam 5 rotates to contact with the slide bar 6 and squeezes the slide bar 6, the first spring 7 shrinks, and then the slide bar 6 drives the wedge block 9 along the The connecting block 8 moves upward, and the wedge-shaped block 9 moves to make the insertion rod 10 move to one side along the support frame 3. At this time, the second spring 11 is extended, and the insertion rod 10 moves to drive the beating head 12 to move. When the beating head 12 moves to the same position as Feed pipe 13 contacts, and then to feed pipe 13 percussion, avoids raw material sticking to the inner wall of feed pipe 13 and clogging, when cam 5 rotates to disengage from slide bar 6, in the first spring 7 and the second spring Under the resetting action of 11, beating head 12 is disengaged from feed pipe 13 and resets to original position.

In the utility model, it should be noted that the upper surface of the insertion rod 10 is fixed with a fixed rod 18 by bolts, the top of the fixed rod 18 is fixed with a rack 20 by bolts, and the top of the support frame 3 is connected with a rotating rod 22 for rotation. The peripheral outer wall key of rod 22 is connected with gear 21, and gear 21 is in contact with rack 20, and the peripheral outer wall of rotating rod 22 is fixed with a plurality of stirring rods 17 by bolts, and stirring rod 17 is positioned at feed pipe 13, inserts rod 10 moves while driving the fixed rod 18 to move, the fixed rod 18 moves to make the rack 20 move along the gear 21, and then the gear 21 drives the rotating rod 22 to rotate, the rotating rod 22 rotates to drive the stirring rod 17 to rotate, and the stirring rod 17 rotates to the raw material Stir, and then make the raw materials fall into the extrusion cylinder 2 in more pieces. One end of the output shaft of the geared motor passes through the support frame 3 and the extrusion cylinder 2 and is fixed with an extrusion rod 16 by bolts. The circumference of the extrusion rod 16 Extrusion blades 14 are fixed on the outer wall by bolts, heating plates 15 are arranged on the inner walls of both sides of the extrusion cylinder 2, and the heating plates 15 are symmetrically distributed, and a discharge port 23 is opened on one side of the extrusion cylinder 2. When performing extrusion molding, the staff enters the plastic raw material feed pipe 13 into the interior of the extrusion cylinder 2, the heating plate 15 heats and plasticizes the surface of the raw material, starts the deceleration motor, and the deceleration motor rotates to rotate the extrusion rod 16 , the extruding rod 16 rotates to make the extruding blade 14 extrude the heated raw material, the plasticized raw material is extruded through the discharge port 23, and the outer wall of the rotating rod 22 is fixed with a rotary blade 19 by bolts. , and the rotating piece 19 is located in the feed pipe 13, the rotation of the rotating rod 22 drives the rotation of the rotating piece 19, and then cuts the raw material in the feeding pipe 13 into several pieces, so that it is more convenient for the raw material to be extruded and formed, and the support frame 3 A control panel is fixed on one side by bolts, and the control panel is electrically connected to the geared motor. The control panel can facilitate the staff to control the speed of the geared motor.

Working principle: When the extruder needs to be used, the staff enters the plastic raw material feeding pipe 13 into the inside of the extrusion barrel 2, the heating plate 15 heats and plasticizes the surface of the raw material, starts the deceleration motor, and the deceleration motor rotates Make the extruding rod 16 rotate, and the extruding rod 16 rotates to make the extruding blade 14 extrude the heated raw material, the plasticized raw material is extruded through the discharge port 23, and the geared motor drives the cam at the same time 5 rotates, when the cam 5 rotates to contact with the slide bar 6 and squeezes the slide bar 6, the first spring 7 contracts at this time, and then the slide bar 6 drives the wedge block 9 to move upward along the connecting block 8, and the wedge block 9 moving to make the plunger 10 move to one side along the support frame 3, at this time the second spring 11 stretches, the movement of the plunger 10 drives the beating head 12 to move, when the beating head 12 moves to contact with the feed pipe 13, and then the The feed pipe 13 is knocked to avoid the raw material sticking to the inner wall of the feed pipe 13 and causing blockage. When the cam 5 rotates to disengage from the slide rod 6, the beating head is driven by the reset action of the first spring 7 and the second spring 11. 12 is disengaged from the feed pipe 13 and resets to its original position. When the insertion rod 10 moves, it drives the fixed rod 18 to move. The fixed rod 18 moves to make the rack 20 move along the gear 21, and then the gear 21 drives the rotating rod 22 to rotate. The rotation of the rod 22 drives the rotation of the stirring rod 17, and the rotation of the stirring rod 17 stirs the raw materials, so that the raw materials fall into the extruding cylinder 2 in more pieces.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (7)

1. A screw extruder for feed anti-clogging, comprising base plate (1), is characterized in that, the upper surface of described base plate (1) is fixedly connected with connecting plate (4), and one side of connecting plate (4) A deceleration motor is fixedly connected, and one end of the output shaft of the deceleration motor passes through the connecting plate (4) and is fixedly connected with a cam (5). The upper surface of the bottom plate (1) is fixedly connected with a support frame (3), and the support frame (3 ) one side is fixedly connected with a connecting block (8), and the upper surface of the connecting block (8) is movably connected with a slide bar (6), and the slide bar (6) is contactable with the cam (5), and the slide bar (6) A first spring (7) is movably connected to the peripheral outer wall of the first spring (7), and the two ends of the first spring (7) are respectively fixed with the connection block (8) and the slide bar (6), and the top end of the slide bar (6) is fixedly connected There is a wedge block (9), one side of the support frame (3) is movably connected with an insertion rod (10), and the insertion rod (10) is in contact with the wedge block (9), and the circumference of the insertion rod (10) The outer wall is movably connected with a second spring (11), and the two ends of the second spring (11) are respectively fixed with the support frame (3) and the insertion rod (10), and one end of the insertion rod (10) is fixedly connected with a knocking head (12), the upper surface of the base plate (1) is fixedly connected with two backing plates (24), and the upper surface of the backing plate (24) is fixedly connected with an extrusion barrel (2), and the extrusion barrel (2) A feeding port is provided on the upper surface, and a feeding pipe (13) is fixedly connected in the feeding port, and the feeding pipe (13) and the beating head (12) can be contacted. 2. A kind of anti-clogging screw extruder according to claim 1, is characterized in that, the upper surface of described insertion rod (10) is fixedly connected with fixed rod (18), and the fixed rod (18) The top is fixedly connected with a rack (20), the top of the support frame (3) is movably connected with a rotating rod (22), and the peripheral outer wall of the rotating rod (22) is fixedly connected with a gear (21), and the gear (21) and The racks (20) are in contact with each other, and a plurality of stirring rods (17) are fixedly connected to the outer peripheral wall of the rotating rod (22), and the stirring rods (17) are located in the feeding pipe (13). 3. A screw extruder for feeding anti-blockage according to claim 1, characterized in that one end of the output shaft of the geared motor passes through the support frame (3) and the extrusion barrel (2) and is fixedly connected There is an extruding rod (16), and the peripheral outer wall of the extruding rod (16) is fixedly connected with extruding blades (14). 4. a kind of feeding anti-blocking screw extruder according to claim 1 is characterized in that, the both sides inner wall of described extruding tube (2) is all provided with heating plate (15), and heating plate ( 15) Symmetrical distribution. 5. A screw extruder for feeding anti-blockage according to claim 1, characterized in that, a discharge port (23) is opened on one side of the extruding cylinder (2). 6. The screw extruder for anti-clogging of a kind of feed according to claim 2, is characterized in that, the peripheral outer wall of described rotary rod (22) is fixedly connected with rotary vane (19), and rotary vane (19) Located in the feed pipe (13). 7. A screw extruder for anti-clogging feeding according to claim 1, characterized in that a control panel is fixedly connected to one side of the support frame (3), and the control panel is electrically connected to the geared motor .

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