CN216466059U - Take screening function's spiral feed arrangement for plastic extruding machine - Google Patents

Abstract

The utility model belongs to the technical field of extrusion molding material processing and production equipment, and particularly relates to a spiral feeding device with a screening function for an extrusion molding machine. The spiral feeding device for the plastic extruding machine is simple in structure and convenient to use, can screen materials and can prevent the materials from being blocked in the conveying process.

Description

Take screening function's spiral feed arrangement for plastic extruding machine

Technical Field

The utility model relates to the technical field of extrusion molding material processing and production equipment, in particular to a spiral feeding device with a screening function for an extrusion molding machine.

Background

An extruder is an important plastic machine, and most of plastic products can be produced and manufactured by extrusion molding.

At present, the feeding device is of the piston type, the screw type, the rotary type and the like. Through retrieval, chinese patent application No. CN201621049020.9 discloses a screw feeder, which comprises a bin, a feeding screw and a motor for controlling the feeding screw, wherein the bin is a cylindrical barrel.

The screw feeder in the above patent suffers from the following disadvantages: partial incomplete material is when carrying, is not convenient for screen, leads to subsequent production to carry out the difficulty, and the material produces the jam easily on the way in the transmission, needs to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a spiral feeding device with a screening function for an extrusion molding machine.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a spiral feeding device with a screening function for an extrusion molding machine comprises a base, wherein the base is of a hollow structure, a rack and two fixed blocks are fixedly arranged at the top of the base, through holes are formed between the two fixed blocks and the base, two connecting rods are movably arranged in the two through holes, the top ends of the two connecting rods are fixedly provided with a same conveying pipe, the bottom ends of the two connecting rods are rotatably provided with idler wheels, a motor is fixedly arranged at one side of the conveying pipe, a connecting pipe is fixedly arranged at the top of the conveying pipe, a screening box is fixedly arranged at the top end of the connecting pipe, an output shaft of the motor extends to the conveying pipe and is fixedly sleeved with a spiral conveying rod, a horizontal part of an L-shaped rod is fixedly arranged at one side of the screening box, a feeding funnel is fixedly arranged at the top of the horizontal part of the L-shaped rod, a lead screw is rotatably arranged at the vertical part of the L-shaped rod, a gear meshed with the rack is fixedly sleeved on the lead screw, the one end of lead screw extends to the screening incasement and fixed mounting has the screening board, seted up the spout on the top inner wall of base along the horizontal direction, slidable mounting has two sliders in the spout, and equal fixed mounting has the movable block on two sliders, and the equal fixed mounting in one side that two movable blocks kept away from each other has the trapezoidal piece with gyro wheel looks adaptation.

Preferably, one side of the base is rotatably provided with a rotating shaft, one end of the rotating shaft is fixedly sleeved with an elliptical wheel positioned between the two movable blocks, and the other end of the rotating shaft is fixedly sleeved with a crank.

Preferably, a sliding rail is fixedly mounted on the vertical part of the L-shaped rod, and a connecting block fixedly connected with the screw rod is slidably mounted on the sliding rail.

Preferably, the inner walls of the two sides of the screening box are fixedly provided with material guide plates.

Preferably, the same first spring is fixedly installed between the two sliding blocks.

Preferably, the two connecting rods are sleeved with second springs, one ends of the two second springs are fixed to the corresponding connecting rods, and the other ends of the two second springs are fixed to the inner walls of the corresponding through holes.

The utility model relates to a spiral feeding device for an extrusion molding machine with a screening function, which is characterized in that materials are firstly added into a screening box through a feeding hopper, the crank and an elliptical wheel are driven to rotate by rotating the crank during the process, the elliptical wheel repeatedly extrudes movable blocks at two sides, so that the two movable blocks can reciprocate left and right under the action of a first spring, so that the two trapezoidal blocks can be driven to reciprocate left and right, the two trapezoidal blocks repeatedly extrude corresponding rollers, so that the two connecting rods can be driven to reciprocate up and down, the whole conveying pipe can be driven to reciprocate up and down, a motor is started during the process to drive the spiral conveying rod to rotate, and the rack is fixed, so when the screening box reciprocates up and down, the rack drives the gear to rotate back and forth, so that the screw rod guide sleeve can be driven to rotate back and forth left, reciprocating motion about can having driven the screening board can filter the material, and the unqualified material of size continues to persist in the top of screening board, and remaining material has entered into the conveyer pipe, and the rotation of screw conveying pole can be with the material propelling movement right, carries out the unloading. In the whole blanking process, the screening box and the conveying pipe move up and down in a reciprocating manner, so that the blockage of materials can be prevented. The spiral feeding device for the plastic extruding machine is simple in structure and convenient to use, can screen materials and can prevent the materials from being blocked in the conveying process.

Drawings

FIG. 1 is a schematic structural diagram of a spiral feeding device for an extruder with a screening function, which is provided by the utility model;

FIG. 2 is a schematic structural view of part A of a spiral feeding device for an extruder with a screening function, which is provided by the utility model;

FIG. 3 is a partial side view of a screw feeder for an extruder with a sieving function according to the present invention with respect to a base.

In the figure: the device comprises a base 1, a movable block 2, an elliptical wheel 3, a rotating shaft 4, a motor 5, a second spring 6, a rack 7, a screw rod 8, a gear 9, a screw rod guide sleeve 10, an L-shaped rod 11, a guide plate 12, a feed hopper 13, a screening box 14, a screening plate 15, a conveying pipe 16, a spiral conveying rod 17, a crank 18, a connecting rod 19, a trapezoidal block 20, a fixed block 21 and a roller 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-3, a spiral feeding device for an extrusion molding machine with a screening function comprises a base 1, wherein the base 1 is a hollow structure, a rack 7 and two fixed blocks 21 are fixedly arranged at the top part of the base 1, through holes are formed between the two fixed blocks 21 and the base 1, connecting rods 19 are movably arranged in the two through holes, the top ends of the two connecting rods 19 are fixedly provided with a same conveying pipe 16, the bottom ends of the two connecting rods 19 are rotatably provided with rollers 22, one side of the conveying pipe 16 is fixedly provided with a motor 5, the top part of the conveying pipe is fixedly provided with a connecting pipe, the top end of the connecting pipe is fixedly provided with a screening box 14, an output shaft of the motor 5 extends to the conveying pipe 16 and is fixedly sleeved with a spiral conveying rod 17, one side of the screening box 14 is fixedly provided with a horizontal part of an L-shaped rod 11, the top part of the screening box is fixedly provided with a feeding funnel 13, and the vertical part of the L-shaped rod 11 is rotatably provided with a screw rod guide sleeve 10, lead screw guide pin bushing 10 is last to be fixed cup jointed with rack 7 intermeshing's gear 9 and one end screw thread has cup jointed lead screw 8, lead screw 8's one end extends to in the screening case 14 and fixed mounting has screening board 15, the spout has been seted up along the horizontal direction on base 1's the top inner wall, slidable mounting has two sliders in the spout, equal fixed mounting has movable block 2 on two sliders, the equal fixed mounting in one side that two movable blocks 2 kept away from each other has the trapezoidal piece 20 with gyro wheel 22 looks adaptation.

Example two

According to the utility model, a rotating shaft 4 is rotatably arranged on one side of a base 1, an elliptical wheel 3 positioned between two movable blocks 2 is fixedly sleeved on one end of the rotating shaft 4, a crank 18 is fixedly sleeved on the other end of the rotating shaft 4, the crank 4 and the elliptical wheel 3 are driven to rotate by rotating the crank 18, and the movable blocks 2 on two sides are repeatedly extruded by the elliptical wheel 3, so that the two movable blocks 2 move left and right in a reciprocating manner under the action of a first spring.

In the utility model, a slide rail is fixedly arranged on the vertical part of the L-shaped rod 11, a connecting block fixedly connected with the screw rod 8 is slidably arranged on the slide rail, and the screw rod 8 can be conveniently moved through the slide rail and the connecting block.

In the utility model, the inner walls of both sides of the screening box 14 are fixedly provided with the guide plates 12, and the materials can be conveniently guided onto the screening plate 15 through the guide plates 12.

In the utility model, the same first spring is fixedly arranged between the two sliding blocks, and the two movable blocks 2 are convenient to reset through the first spring.

In the utility model, the two joint rods 19 are sleeved with the second springs 6, one ends of the two second springs 6 are fixed on the corresponding joint rods 19, the other ends of the two second springs 6 are fixed on the inner walls of the corresponding through holes, and the second springs 6 are convenient for the reset of the joint rods 19.

In the utility model, firstly, materials are added into a screening box 14 through a feeding hopper 13, the crank 4 and the elliptical wheel 3 are driven to rotate by rotating the crank 18 in the process, the elliptical wheel 3 repeatedly extrudes the movable blocks 2 at two sides, so that the two movable blocks 2 reciprocate left and right under the action of a first spring, so that the two trapezoidal blocks 20 can be driven to reciprocate left and right, the two trapezoidal blocks 20 repeatedly extrude the corresponding roller 22, so that the two connecting rods 19 can be driven to reciprocate up and down, so that the whole conveying pipe 16 can be driven to reciprocate up and down, the motor 5 is started to drive the spiral conveying rod 17 to rotate in the process, and the rack 7 is fixed, so when the screening box 14 reciprocates up and down, the rack 7 drives the gear 9 to rotate back and forth, so that the screw rod guide sleeve 10 can be driven to reciprocate left and right, so that the screw rod 8 can be driven to reciprocate left and right, reciprocating motion about can having driven the screening board 15 can filter the material, and the unqualified material of size continues to stay in the top of screening board 15, and remaining material has entered into conveyer pipe 16, and the rotation of screw conveyor pole 17 can be with the material propelling movement right, carries out the unloading. In the whole blanking process, the screening box 14 and the conveying pipe 16 move up and down in a reciprocating mode, so that materials can be prevented from being blocked. The spiral feeding device for the plastic extruding machine is simple in structure and convenient to use, can screen materials and can prevent the materials from being blocked in the conveying process.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a take spiral feed arrangement for extrusion molding machine of screening function, includes base (1), its characterized in that, base (1) is hollow structure setting and top fixed mounting has rack (7) and two fixed block (21), has seted up the through-hole between two fixed block (21) and base (1), and equal movable mounting has linking pole (19) in two through-holes, and the top fixed mounting of two linking pole (19) has same conveyer pipe (16) and the bottom all rotates and installs gyro wheel (22), one side fixed mounting of conveyer pipe (16) has motor (5) and top fixed mounting has the connecting pipe, and the top fixed mounting of connecting pipe has screening case (14), the output shaft of motor (5) extends to conveyer pipe (16) and the fixed coupling has spiral delivery pole (17), horizontal part and top fixed mounting that one side fixed mounting of screening case (14) has L type pole (11) have feed hopper (13), the vertical part of L type pole (11) goes up to rotate and installs lead screw guide pin bushing (10), fixed cup joint have with rack (7) intermeshing's gear (9) and one end screw have cup jointed lead screw (8) on lead screw guide pin bushing (10), the one end of lead screw (8) extend to in screening case (14) and fixed mounting have screening board (15), seted up the spout along the horizontal direction on the top inner wall of base (1), slidable mounting has two sliders in the spout, equal fixed mounting has movable block (2) on two sliders, and the equal fixed mounting in one side that two movable blocks (2) kept away from each other has trapezoidal piece (20) with gyro wheel (22) looks adaptation.

2. The screw feeding device with the screening function for the plastic extruding machine is characterized in that a rotating shaft (4) is rotatably installed on one side of the base (1), an elliptical wheel (3) positioned between the two movable blocks (2) is fixedly sleeved on one end of the rotating shaft (4), and a crank (18) is fixedly sleeved on the other end of the rotating shaft.

3. The screw feeding device with the screening function for the plastic extruding machine is characterized in that a sliding rail is fixedly arranged on the vertical part of the L-shaped rod (11), and a connecting block fixedly connected with the screw rod (8) is slidably arranged on the sliding rail.

4. The spiral feeding device with the screening function for the extrusion molding machine is characterized in that the inner walls of two sides of the screening box (14) are fixedly provided with the material guide plates (12).

5. The screw feeding device with the screening function for the extrusion molding machine as claimed in claim 1, wherein the same first spring is fixedly installed between the two sliding blocks.

6. The screw feeding device with the screening function for the extrusion molding machine is characterized in that the two connecting rods (19) are sleeved with second springs (6), one end of each of the two second springs (6) is fixed on the corresponding connecting rod (19), and the other end of each of the two second springs is fixed on the inner wall of the corresponding through hole.

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