Full and uniform stirring and melting mechanism for PVC board raw materials

Abstract

The utility model discloses a mechanism for fully and uniformly stirring and melting PVC (Polyvinyl Chloride) board raw materials, and relates to the technical field of stirring and melting mechanisms. The sufficient and uniform stirring and melting mechanism for the PVC board raw materials comprises a tank body, and an installation top is fixed to the top of the tank body; the driving shaft is rotationally mounted below the mounting top, a plurality of stirring rods are symmetrically fixed below the driving shaft, and the lower end of the driving shaft is rotationally connected with the inner wall of the tank body; the two material pressing plates are mounted below the mounting top and are used for extruding the aggregated raw materials; according to the stirring and melting mechanism, by arranging the material pressing plate, when the stirring and melting mechanism is used for stirring PVC plate raw materials, the raw materials aggregated and clustered in the tank body can be crushed by the material pressing plate in the stirring and melting mechanism, so that the raw materials are mixed more uniformly.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring and melting mechanisms, in particular to a fully and evenly stirring and melting mechanism for PVC plate raw materials. Background Art

[0002] The melting process of PVC board raw materials is to accurately weigh the polyvinyl chloride resin, additives and other materials according to the formula ratio, evenly mix the weighed raw materials in the stirring and melting mechanism, and heat the mixed materials to a molten state to make them have good fluidity.

[0003] A raw material stirring device for PVC board production disclosed in the patent application with reference publication number CN220922946U comprises: a stirring drum; a working assembly arranged inside the stirring drum; wherein the working assembly comprises a stirring portion installed inside the stirring drum, the stirring portion is connected to a reciprocating portion, the reciprocating portion is installed on the inner wall of the stirring drum, a feeding port is provided on the top surface of the stirring drum, and a discharge pipe is connected to the bottom surface of the stirring drum, a valve is installed inside the discharge pipe, and a hoop is fixedly provided on the outer wall of the stirring drum. The raw material stirring device for PVC board production can stir the raw materials through the stirring portion, especially the elastic body can be squeezed to the elastic body when the limit block moves, so that the stirring cross bar vibrates to prevent impurities from adhering to it, and the stirring vertical rod can make the stirring more fine.

[0004] As shown in the above-mentioned prior art, most of the PVC board raw material stirring devices in the prior art mix the PVC board production raw materials in a melting mechanism by setting various stirring methods. However, in the mixing process of the PVC board raw materials, some aggregated raw material particles will inevitably appear. It is difficult to disperse the aggregated raw material particles simply by stirring and mixing, which can easily lead to low raw material mixing efficiency and uneven raw material mixing.

[0005] Therefore, it is necessary to provide a fully uniform stirring and melting mechanism for PVC board raw materials to solve the above technical problems. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In order to solve the above technical problems, the utility model provides a mechanism for fully and evenly stirring and melting PVC board raw materials.

[0008] (II) Technical solution

[0009] To achieve the above purpose, the utility model is implemented through the following technical solutions: a fully uniform stirring and melting mechanism for PVC board raw materials, comprising:

[0010] A tank body, wherein a mounting top is fixed on the top of the tank body;

[0011] A driving shaft is rotatably mounted below the mounting top, a plurality of stirring rods are symmetrically fixed below the driving shaft, and the lower end of the driving shaft is rotatably connected to the inner wall of the tank;

[0012] There are two pressing plates, both installed under the mounting top, used for pressing the aggregated raw materials;

[0013] A cover shell is fixed above the mounting top;

[0014] The motor is fixed on the top of the housing and is used to drive the driving shaft to rotate;

[0015] The reciprocating assembly is installed above the mounting top and located inside the cover shell. The rotation of the driving shaft is used to drive the two pressing plates to perform reciprocating motion so as to extrude the raw material agglomerates inside the tank body.

[0016] Preferably, the reciprocating assembly includes a connecting piece fixed to the side of the pressing plate close to the driving shaft, a connecting ring is fixed to the upper ends of the two connecting pieces, and the two connecting pieces are both slidably connected to the mounting top.

[0017] Preferably, the upper ends of the two connecting members are fixed with limiting blocks, the mounting top is symmetrically provided with sliding grooves, the connecting members are slidably connected to the inner walls of the sliding grooves, and the bottom of the limiting blocks is slidably connected to the top of the mounting top.

[0018] Preferably, a U-shaped driving member is rotatably connected inside the cover shell, the driving shaft passes through the mounting top and is fixed to the lower end of the U-shaped driving member, a rotating shaft is coaxially fixed to the upper end of the U-shaped driving member and the driving shaft, the rotating shaft is rotatably connected to the cover shell, the upper end of the rotating shaft passes through the cover shell and is fixed to the output end of the motor, the middle part of the U-shaped driving member is cylindrical, and the middle part of the U-shaped driving member is slidably connected to the inner wall of the connecting ring.

[0019] Preferably, the pressing plate is arc-shaped and a side of the pressing plate away from the driving shaft can fit with the inner wall of the tank body.

[0020] Preferably, the motor is a reduction motor.

[0021] (III) Beneficial effects

[0022] The utility model provides a fully uniform stirring and melting mechanism for PVC board raw materials. Compared with the prior art, it has the following beneficial effects:

[0023] 1. The application sets a material pressing plate so that when the stirring and melting mechanism is used to stir the PVC board raw materials, the aggregated raw materials in the tank can be crushed by the material pressing plate inside the tank, so that the raw materials are mixed more evenly and the stirring efficiency is improved;

[0024] 2. This application sets a reciprocating component so that when the driving shaft rotates, it can drive the pressing plate to reciprocate inside the tank body, repeatedly squeezing the raw material agglomerates. Only one power source is needed to complete the stirring of the raw materials and the extrusion of the raw material particles, so that the raw material mixing effect is better and it is practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the relationship between the pressing plate and the tank body of the utility model;

[0027] Figure 3 It is a schematic diagram of the relationship between the connecting piece and the connecting ring of the utility model;

[0028] Figure 4 This is a schematic diagram of the relationship between the rotating shaft and the U-shaped driving member of the utility model;

[0029] Figure 5 It is a schematic diagram of the relationship between the connecting ring and the U-shaped driving member of the utility model.

[0030] Numbers in the figure: 1. tank body; 2. mounting top; 3. driving shaft; 4. pressing plate; 5. stirring rod; 6. cover; 7. motor; 8. connecting part; 9. connecting ring; 10. limit block; 11. slide groove; 12. U-shaped driving part; 13. rotating shaft. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] The utility model provides two technical solutions:

[0033] Figure 1 to Figure 2 The first embodiment is shown: a fully uniform stirring and melting mechanism for PVC board raw materials, comprising:

[0034] A tank body 1, with a mounting top 2 fixed on the top of the tank body 1;

[0035] The driving shaft 3 is rotatably mounted below the mounting top 2, and a plurality of stirring rods 5 are symmetrically fixed below the driving shaft 3, and the lower end of the driving shaft 3 is rotatably connected to the inner wall of the tank body 1;

[0036] There are two pressing plates 4, both of which are installed below the mounting top 2, and are used to press the aggregated raw materials;

[0037] A cover 6 is fixed above the mounting top 2;

[0038] The motor 7 is fixed to the top of the housing 6 and is used to drive the driving shaft 3 to rotate. The motor 7 is a reduction motor.

[0039] The reciprocating assembly is installed above the mounting top 2 and located inside the cover shell 6 , and utilizes the rotation of the driving shaft 3 to drive the two pressing plates 4 to reciprocate so as to squeeze the raw material mass inside the tank body 1 .

[0040] This application sets a pressing plate 4 so that when the stirring and melting mechanism is used to stir the PVC board raw material, the aggregated raw materials in the tank body 1 can be crushed by the pressing plate 4 inside it, so that the raw materials are mixed more evenly and the stirring efficiency is improved.

[0041] Figures 3 to 5 A second embodiment is shown, the main difference from the first embodiment is that the reciprocating assembly includes a connecting member 8 fixed to the side of the pressure plate 4 close to the driving shaft 3, a connecting ring 9 is fixed to the upper ends of the two connecting members 8, and the two connecting members 8 are both slidably connected to the mounting top 2.

[0042] The upper ends of the two connecting members 8 are fixed with limit blocks 10, and the mounting top 2 is symmetrically provided with slide grooves 11, the connecting members 8 are slidably connected to the inner walls of the slide grooves 11, and the bottom of the limit blocks 10 is slidably connected to the top of the mounting top 2.

[0043] A U-shaped driving member 12 is rotatably connected inside the cover shell 6, the driving shaft 3 passes through the mounting top 2 and is fixed to the lower end of the U-shaped driving member 12, a rotating shaft 13 is coaxially fixed to the upper end of the U-shaped driving member 12 and the driving shaft 3, the rotating shaft 13 is rotatably connected to the cover shell 6, the upper end of the rotating shaft 13 passes through the cover shell 6 and is fixed to the output end of the motor 7, the middle part of the U-shaped driving member 12 is cylindrical, and the middle part of the U-shaped driving member 12 is slidably connected to the inner wall of the connecting ring 9.

[0044] The pressing plate 4 is arc-shaped and the side of the pressing plate 4 away from the driving shaft 3 can fit with the inner wall of the tank body 1 .

[0045] This application sets a reciprocating component so that when the driving shaft 3 rotates, the pressing plate 4 can be driven to reciprocate inside the tank body 1 to repeatedly extrude the raw material agglomerates. Only one power source is needed to complete the stirring of the raw materials and the extrusion of the raw material particles, thereby achieving a better raw material mixing effect and being practical.

[0046] Working principle:

[0047] PVC board raw materials are added into the tank body 1, and the motor 7 is driven to rotate the rotating shaft 13, driving the U-shaped driving member 12 to rotate in the cover shell 6, so that the active shaft 3 simultaneously drives the stirring rod 5 to stir the raw materials inside the tank body 1; when the U-shaped driving member 12 rotates, the middle part of the U-shaped driving member 12 slides on the inner wall of the connecting ring 9, thereby driving the connecting member 8 to reciprocate on the inner wall of the slide groove 11, and the limit block 10 slides above the mounting top 2 at the same time, and the pressing plate 4 moves with the movement of the connecting member 8, thereby squeezing the raw material lumps inside the tank body 1.

[0048] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0049] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fully uniform stirring and melting mechanism for PVC board raw materials, characterized in that: include: A tank body (1), wherein a mounting top (2) is fixed on the top of the tank body (1); A driving shaft (3) is rotatably mounted below the mounting top (2), a plurality of stirring rods (5) are symmetrically fixed below the driving shaft (3), and the lower end of the driving shaft (3) is rotatably connected to the inner wall of the tank body (1); Two pressing plates (4) are provided and both are installed below the mounting top (2) and are used for pressing the aggregated raw materials; A cover (6) is fixed above the mounting top (2); A motor (7) is fixed to the top of the housing (6) and is used to drive the driving shaft (3) to rotate; The reciprocating assembly is installed above the mounting top (2) and located inside the cover shell (6). The rotation of the driving shaft (3) drives the two pressing plates (4) to perform reciprocating motion, thereby squeezing the raw material mass inside the tank body (1).

2. The mechanism for fully and uniformly stirring and melting PVC board raw materials according to claim 1, characterized in that: The reciprocating assembly comprises a connecting member (8) fixed to the side of the pressing plate (4) close to the driving shaft (3), a connecting ring (9) is fixed to the upper ends of the two connecting members (8), and the two connecting members (8) are both slidably connected to the mounting top (2).

3. The mechanism for fully and uniformly stirring and melting PVC board raw materials according to claim 2, characterized in that: The upper ends of the two connecting members (8) are both fixed with limit blocks (10), the mounting top (2) is symmetrically provided with slide grooves (11), the connecting members (8) are slidably connected to the inner walls of the slide grooves (11), and the bottom of the limit blocks (10) is slidably connected to the top of the mounting top (2).

4. The mechanism for fully and uniformly stirring and melting PVC board raw materials according to claim 2, characterized in that: A U-shaped driving member (12) is rotatably connected inside the housing (6); the driving shaft (3) passes through the mounting top (2) and is fixed to the lower end of the U-shaped driving member (12); a rotating shaft (13) is coaxially fixed to the upper end of the U-shaped driving member (12) and the driving shaft (3); the rotating shaft (13) is rotatably connected to the housing (6); the upper end of the rotating shaft (13) passes through the housing (6) and is fixed to the output end of the motor (7); the middle portion of the U-shaped driving member (12) is cylindrical; and the middle portion of the U-shaped driving member (12) is slidably connected to the inner wall of the connecting ring (9).

5. The mechanism for fully and uniformly stirring and melting PVC board raw materials according to claim 1, characterized in that: The pressing plate (4) is arc-shaped, and the side of the pressing plate (4) facing away from the driving shaft (3) can fit with the inner wall of the tank body (1).

6. The mechanism for fully and uniformly stirring and melting PVC board raw materials according to claim 4, characterized in that: The motor (7) is a reduction motor.

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