Plastic extrusion device capable of adjusting addition amount of flame retardant

Abstract

The utility model provides a plastic extrusion device capable of adjusting the addition amount of a flame retardant, and relates to the technical field of plastic manufacturing machinery. The left side of the supporting base is connected with the motor shell, the extrusion motor is arranged in the motor shell, the extrusion structure is supported above the supporting base, the motor supporting base is connected above the left side of the supporting base, the feeding motor is supported above the motor supporting base and arranged in the motor box, the feeding cylinder is connected above the left side of the extrusion structure, and the feeding screw is arranged in the feeding cylinder. A feeding screw rod is arranged on the feeding cylinder, a driving shaft is connected above the feeding screw rod, a feeding motor is connected above the driving shaft, a material stirring cylinder is connected above the feeding cylinder, and a control key is arranged on the outer wall of the material stirring cylinder. The problem that an existing device does not have the function of adjusting the adding amount of the flame retardant is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to plastic manufacturing machinery technical field, more specifically, it is especially related to a plastic extruding device of adjustable flame retardant adding amount. BACKGROUND

[0002] The plastic extruding device is a kind of equipment for plastic processing, mainly through extrusion molding process to process plastic material into various shapes and sizes of products;The core component of plastic extruding device is extruder, it is formed by heating and extruding plastic material, and it is formed by die;Extruder is usually composed of screw, barrel and head, plastic material is melted under high temperature and is extruded from head by the pushing action of screw;Flame retardant is usually added in the process of plastic product processing, the main reason of adding flame retardant is to improve the flame retardant performance of material, reduce the risk of fire, and protect the safety of personnel and property;But the adding amount of flame retardant has direct influence on the flame retardant effect of plastic product;Add too little and the flame retardant effect is not obvious, cannot meet the flame retardant requirement of product;And adding too much may affect the mechanical properties and processing performance of plastic product;Therefore, a balance point needs to be found to ensure that the plastic product meets the flame retardant requirements while other performances are also guaranteed;So different plastic products need to add different doses of flame retardant, but the existing plastic extruding device basically does not have the structure of adjustable flame retardant adding amount. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above technical problems, the utility model provides a plastic extruding device of adjustable flame retardant adding amount to solve the problem that the existing device does not have the structure of adjustable flame retardant adding amount.

[0004] The utility model relates to a plastic extruding device of adjustable flame retardant adding amount, which is achieved by the following specific technical means:

[0005] A plastic extruding device of adjustable flame retardant adding amount, comprising: a supporting base;The left side of supporting base is connected with motor shell, and extrusion motor is arranged in motor shell;The upper side of supporting base supports extrusion structure, the upper side of left side of supporting base is connected with motor support seat, and feed motor is arranged on the upper side of motor support seat;The feed motor is arranged in motor box, the upper side of extrusion structure is connected with feed cylinder, feed screw is arranged in feed cylinder, driving shaft is connected with feed screw, and the upper side of driving shaft is connected with feed motor;The upper side of feed cylinder is connected with mixing cylinder, and control button is arranged on the outer wall of mixing cylinder.

[0006] Further, the mixing cylinder is divided into left and right parts, the left side of mixing cylinder is flame retardant adding groove, and the flame retardant adding groove is in the shape of wide at the top and narrow at the bottom, and the lower side of flame retardant adding groove is provided with flame retardant feeding port.

[0007] Further, the right side of mixing cylinder is raw material groove, and the lower side of raw material groove is provided with through hole plate.

[0008] Further, the twelve stirring rods are arranged on the driving shaft of the lower half of the inside of the mixing cylinder, the radial opposite positions of the stirring rods are different, and the horizontal angles of the stirring rods are also different, and different numbers of round rods are arranged on the stirring rods.

[0009] Further, the through-hole plate extends into the flame retardant adding groove on the left side, a sliding groove is arranged in the part of the through-hole plate extending into the flame retardant adding groove, a flame retardant feeding port is arranged on the front side of the sliding groove, an adjusting plate covers the flame retardant feeding port, an electric telescopic rod is arranged on the right side of the adjusting plate, and the other end of the electric telescopic rod is connected to the inner wall of the sliding groove.

[0010] Compared with the prior art, the flame retardant adding device has the following beneficial effects:

[0011] 1、The flame retardant adding groove with the shape of wide at the top and narrow at the bottom can promote the flame retardant in the flame retardant adding groove to fully fall into the feeding cylinder, and no residue is left.

[0012] 2、The plastic raw material and the flame retardant are fully stirred by the stirring rods and the round rods, and then enter the extrusion structure, which is beneficial to the uniform distribution of the flame retardant in the plastic product and strengthens the effect of the flame retardant.

[0013] 3、The position of the adjusting plate is adjusted by the extension and retraction of the electric telescopic rod, so that the purpose of adjusting the flame retardant adding amount is achieved. DETAILED DESCRIPTION

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the top view structure of the mixing cylinder of the utility model.

[0016] Figure 3 It is a schematic diagram of the internal structure of the mixing cylinder of the utility model.

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the through-hole plate of the utility model.

[0018] Figure 5 It is a schematic diagram of the cross-sectional structure of the utility model.

[0019] In the drawing, the corresponding relationship between the component names and the drawing numbers is as follows:

[0020] 1, support base; 101, motor support seat;

[0021] 2, motor shell; 201, extrusion motor;

[0022] 3, extrusion structure;

[0023] 4, feeding cylinder;

[0024] 5, mixing cylinder; 501, control button;

[0025] 6, feeding motor; 601, motor box;

[0026] 7, flame retardant adding groove;

[0027] 8, raw material groove; 801, through hole plate;

[0028] 9, driving shaft;

[0029] 10, stirring rod; 1001, round rod;

[0030] 11, feeding screw;

[0031] 12, flame retardant feeding port;

[0032] 13, adjusting plate;

[0033] 14, electric telescopic rod. DETAILED DESCRIPTION

[0034] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0035] Example:

[0036] As shown in the accompanying Figure 1 to the accompanying Figure 5 :

[0037] The utility model provides a kind of plastic extruding device of adjustable flame retardant addition amount, comprising: support base 1;The left side of support base 1 is connected motor shell 2, and motor shell 2 is equipped with extrusion motor 201, and support extrusion structure 3 above support base 1, motor support seat 101 is connected above the left side of support base 1, and feeding motor 6 is supported above motor support seat 101, feeding motor 6 is placed in motor box 601, feeding cylinder 4 is connected above the left side of extrusion structure 3, and feeding cylinder 4 is equipped with feeding screw 11, and feeding screw 11 is connected above driving shaft 9, and driving shaft 9 is connected above feeding motor 6, and mixing cylinder 5 is connected above feeding cylinder 4, and control button 501 is equipped on the outer wall of mixing cylinder 5.

[0038] As shown in the accompanying Figure 2 , mixing cylinder 5 is divided into two parts, and flame retardant adding groove 7 is on the left side of mixing cylinder 5, and flame retardant adding groove 7 is in the shape of wide at top and narrow at bottom, and its lower side is equipped with flame retardant feeding port 12, and raw material groove 8 is on the right side of cylinder 5, and raw material groove 8 is equipped with through hole plate 801 below, and the flame retardant adding groove 7 in the shape of wide at top and narrow at bottom can promote the flame retardant in groove to fall into feeding cylinder 4 fully, without residue.

[0039] As shown in Figure 3 The twelve stirring rods 10 are arranged on the driving shaft 9 in the lower half of the inside of the mixing cylinder 5, and the radial positions and horizontal angles of the stirring rods 10 are different, and different numbers of round rods 1001 are arranged on the stirring rods 10, so that the plastic raw materials and the flame retardant are fully stirred before entering the extrusion structure 3, which is beneficial to the uniform distribution of the flame retardant in the plastic products and strengthens the effect of the flame retardant.

[0040] As shown in Figure 4 The through-hole plate 801 extends into the flame retardant adding groove 7 on the left side, and a sliding groove is arranged in the part of the through-hole plate 801 extending into the flame retardant adding groove 7, a flame retardant feeding port 12 is arranged on the front side of the sliding groove, an adjusting plate 13 is arranged on the flame retardant feeding port 12, an electric telescopic rod 14 is arranged on the right side of the adjusting plate 13, and the other end of the electric telescopic rod 14 is connected to the inner wall of the sliding groove, so that the position of the adjusting plate 13 is adjusted through the extension and retraction of the electric telescopic rod 14, and the purpose of adjusting the adding amount of the flame retardant is achieved.

[0041] The specific use mode and effect of the embodiment are as follows:

[0042] In the utility model, the extrusion motor 201 and the feeding motor 6 are opened, the flame retardant is added in the flame retardant adding groove 7, the plastic raw materials are added in the raw material groove 8, the control button 501 is pressed, the position of the adjusting plate 13 is adjusted through the extension degree of the electric telescopic rod 14, so that the adding amount of the flame retardant is adjusted, the plastic raw materials and the flame retardant fall into the mixing cylinder 5, the stirring shaft 10 stirs them uniformly, and then enters the extrusion structure 3, and the plastic raw materials and the flame retardant melt in the extrusion structure 3 and are extruded out of plastic.

[0043] The parts not described in the utility model are the known technology of the person skilled in the art.

Claims

1. A plastic extrusion apparatus with adjustable flame retardant addition, comprising: Support base (1); characterized in that: the support base (1) left side connecting motor shell (2), motor shell (2) is equipped with extrusion motor (201), support base (1) above support extrusion structure (3), support base (1) left side above connecting motor support seat (101), motor support seat (101) above support feeding motor (6), feeding motor (6) is placed in motor box (601), extrusion structure (3) left side above connecting feeding cylinder (4), feeding cylinder (4) is equipped with feeding screw (11), feeding screw (11) above connecting driving shaft (9), driving shaft (9) above connecting feeding motor (6), feeding cylinder (4) above connecting mixing cylinder (5), mixing cylinder (5) outer wall is equipped with control button (501).

2. A plastic extrusion apparatus with adjustable flame retardant additive amount as claimed in claim 1, characterized in that: The mixing cylinder (5) is divided into left and right two parts, the left side of the mixing cylinder (5) is the flame retardant adding groove (7), the flame retardant adding groove (7) is wide at the top and narrow at the bottom, and the lower part is provided with a flame retardant feeding port (12).

3. A plastic extrusion apparatus with adjustable flame retardant additive amount as claimed in claim 1, wherein: The right side of the mixing cylinder (5) is the raw material groove (8), and the raw material groove (8) is provided with a through hole plate (801) below.

4. A plastic extrusion apparatus with adjustable flame retardant additive amount as claimed in claim 1, wherein: The driving shaft (9) is provided with twelve stirring rods (10) in the lower half of the inside of the mixing cylinder (5), the diametrically opposite positions of the stirring rods (10) are different, and the horizontal angles are also different, and different numbers of round rods (1001) are arranged on the stirring rods (10).

5. A plastic extrusion apparatus with adjustable flame retardant additive amount as claimed in claim 3 wherein: The through hole plate (801) left side stretches into the flame retardant adding groove (7), the part of the through hole plate (801) that stretches into the flame retardant adding groove (7) is provided with a sliding groove inside, the sliding groove is provided with a flame retardant feeding port (12) in front side, the flame retardant feeding port (12) is covered with an adjusting plate (13), the adjusting plate (13) is provided with an electric telescopic rod (14) on the right side, and the other end of the electric telescopic rod (14) is connected to the inner wall of the sliding groove.

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