CN219294677U - Extruder capable of increasing temperature - Google Patents

Abstract

The utility model discloses a temperature-increasing extruder, which belongs to the technical field of plastic production and comprises a bottom plate and a heat preservation shell arranged above the bottom plate, wherein two positioning plates used for supporting the heat preservation shell are symmetrically fixed on the surface of the bottom plate, an extrusion cylinder is fixedly connected in the heat preservation shell, a plurality of electric heating pipes used for heating the extrusion cylinder are arranged in the heat preservation shell, an extrusion head is arranged on the outer wall of one side of the extrusion cylinder, a cooling sleeve is fixedly arranged on the outer part of the extrusion head, two connecting columns are symmetrically fixed on the top of the heat preservation shell, a material frame is fixedly connected on the top of the connecting columns, a fixing column is fixedly connected in the material frame, two sliding blocks are connected on the outer part of the fixing column in a sliding manner, and a screening frame is arranged at the bottom of each sliding block. The temperature-increasing extruder not only can screen processing raw materials, but also can control the temperature of the extruding cylinder in real time when extruding plastics, thereby avoiding the difficulty in extruding master batch due to cooling and hardening.

Description

Extruder capable of increasing temperature

Technical Field

The utility model belongs to the technical field of plastic production, and particularly relates to a heatable extruder.

Background

Plastics are plastic (flexible) materials which are formed by processing, or rigid materials which are formed by curing and crosslinking, by taking high molecular weight synthetic resin as a main component and adding proper additives such as plasticizers, stabilizers, antioxidants, flame retardants, colorants and the like, and in the process of producing and processing plastic pipes, a softened master batch is usually required to be extruded and molded by an extruder so as to obtain tubular products. At present, the existing plastic extruder in the market needs to use a large amount of plastic particles as processing raw materials in the use process, products with different specifications need to use the processing raw materials with different specifications, the raw materials need to be screened in advance, time and energy of workers are wasted, and production efficiency is reduced.

Reference is made to the Chinese patent grant: plastic extruder with adjustable temperature of extruding cylinder, and authorized bulletin number: CN215320525U, the utility model can control the temperature of the extrusion cylinder in real time while extruding the plastic, thus effectively avoiding the problem that the masterbatch is hard to be extruded when cooled, and greatly improving the extrusion effect of the plastic. But in the use process, the automatic large-scale plastic particles cannot be screened, so that the production efficiency is affected, and the final cost quality is possibly affected.

Disclosure of Invention

The utility model aims to provide a temperature-increasing extruder to solve the problems that the prior art can not automatically screen a large amount of plastic particles, not only affects the production efficiency, but also possibly affects the final cost quality.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but heating extruder, includes the bottom plate and sets up the heat preservation shell in the bottom plate top, the surface symmetry of bottom plate is fixed with two locating plates that are used for carrying out the support to the heat preservation shell, fixedly connected with extrusion section of thick bamboo in the heat preservation shell, and install a plurality of electric heating pipes that are used for heating extrusion section of thick bamboo in the heat preservation shell, extrusion head is installed to one side outer wall of extrusion section of thick bamboo, the outside of extrusion head is fixed with the cooling cover that is used for cooling down extrusion head;

the top symmetry of heat preservation shell is fixed with two spliced poles, and the top fixedly connected with material frame of spliced pole, fixedly connected with fixed column in the material frame, the outside sliding connection of fixed column has two sliding blocks, the bottom fixedly connected with screening frame of sliding block.

In a further embodiment, a fixed box is mounted on the outer wall of one side of the material frame, a driving motor is mounted on the bottom wall of the inner cavity of the fixed box, the output end of the driving motor is fixedly connected with a driving shaft, and the top of the driving shaft is fixedly connected with a rotary table.

In a further embodiment, a fixed pin is fixedly connected to the top of the turntable, a push-pull rod is rotatably connected to the outer wall of the fixed pin, and a connecting seat fixedly connected with the sliding block is rotatably connected to one end of the push-pull rod.

In a further embodiment, a rotating motor is mounted on the outer wall of one side of the positioning plate, a driving sprocket is fixedly connected to the end face of an output shaft of the rotating motor, and a conveying shaft is rotatably connected to the extrusion cylinder.

In a further embodiment, the end face of the conveying shaft, which is positioned outside the extrusion cylinder, is fixedly connected with a driven sprocket, a chain is arranged between the driving sprocket and the driven sprocket, and the outer wall of the conveying shaft is fixedly connected with a plurality of conveying blades.

In a further embodiment, the lower half inner wall of the material frame is fixedly connected with a discharge hopper, and a limiting block for supporting the driving shaft is fixedly connected in the fixed box.

The utility model has the technical effects and advantages that:

according to the heatable extruder, the driving motor drives the driving shaft and the rotary table to rotate, and the rotary table pulls the screening frame to move back and forth in the material frame through the fixing pin and the push-pull rod, so that raw materials can be automatically screened, the production efficiency is improved, the consistency of raw material particles is ensured, and the quality of products is ensured;

the extrusion cylinder can be heated through the electric heating pipe, so that the problem of hardening of master batch is avoided, and meanwhile, the heating temperature can be increased according to actual use requirements by controlling the starting quantity of the electric heating pipe;

through pouring into the coolant liquid into the cooling cover, can cool down the extrusion head, can make the plastic tubing design fast, further improve machining efficiency, this but the heating extruder not only can screen the processing raw materials, carries out temperature control to the extrusion cylinder in real time when extruding plastics simultaneously to avoid the masterbatch cooling to harden and be difficult to extrude.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of an extrusion barrel of the present utility model;

FIG. 3 is a cross-sectional view of the material frame and holding box of the present utility model;

fig. 4 is an enlarged view of fig. 3 a in accordance with the present utility model.

In the figure: 1. a bottom plate; 11. a positioning plate; 12. a rotating electric machine; 13. a drive sprocket; 14. a thermal insulation shell; 15. an electric heating tube; 2. an extrusion barrel; 21. a conveying shaft; 22. a driven sprocket; 23. conveying blades; 24. an extrusion head; 25. a cooling sleeve; 3. a material frame; 31. fixing the column; 32. a sliding block; 33. a screening frame; 34. discharging a hopper; 4. a fixed box; 41. a driving motor; 42. a drive shaft; 43. a turntable; 44. a fixing pin; 45. a push-pull rod; 46. and a limiting block.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

In order to control the temperature of the extrusion cylinder 2 in real time while extruding the plastic, thereby avoiding the hard extrusion of master batch cooling and hardening, simultaneously enabling the plastic pipe to be shaped quickly, as shown in fig. 1 and 2, two positioning plates 11 are symmetrically welded on the surface of the bottom plate 1, a heat preservation shell 14 is welded and fixed on the surface of the positioning plates 11, the extrusion cylinder 2 is welded and fixed in the heat preservation shell 14, a plurality of electric heating pipes 15 for heating the extrusion cylinder 2 are arranged in the heat preservation shell 14 through bolts, a rotating motor 12 is arranged on the outer wall of one side of the positioning plates 11 through bolts, a driving sprocket 13 is welded and fixed on the end surface of an output shaft of the rotating motor 12, a conveying shaft 21 is connected with a driven sprocket 22 in the extrusion cylinder 2 through welded bearings in a rotating manner, a chain is arranged between the driving sprocket 13 and the driven sprocket 22, a plurality of conveying blades 23 are welded and fixed on the outer wall of the conveying shaft 21, the extrusion cylinder 2 is heated through the electric heating pipes 15, thereby avoiding the hard extrusion cylinder 2, and simultaneously increasing the heating temperature according to the actual use requirement through controlling the starting quantity of the electric heating pipes 15;

the right side outer wall of extrusion section of thick bamboo 2 passes through the bolt to be installed extrusion head 24, and the outside welded fastening of extrusion head 24 has the cooling cover 25 that is used for cooling down to extrusion head 24, and the top welded fastening of cooling cover 25 has the inlet tube, and the bottom welded fastening of cooling cover 25 has the drain pipe, all installs the control valve in inlet tube and the drain pipe, through the coolant liquid of pouring into in to cooling cover 25, cools down extrusion head 24, makes the plastic tubing design fast, improves machining efficiency.

In order to automatically screen the processing raw materials, as shown in fig. 1, 3 and 4, two connecting columns are symmetrically welded at the top of the heat insulation shell 14, a material frame 3 is fixedly welded at the top of the connecting columns, a fixed column 31 is fixedly connected in the material frame 3 through bolts, two sliding blocks 32 are slidably connected outside the fixed column 31, a plurality of rotating grooves are formed in the sliding blocks 32, balls are rotationally connected in the rotating grooves of the sliding blocks 32, the balls are attached to the fixed column 31, the sliding blocks 32 can move more smoothly outside the fixed column 31, a screening frame 33 for screening raw materials is fixedly connected at the bottom of the sliding blocks 32 through bolts, a discharging hopper 34 is fixedly welded at the inner wall of the lower half part of the material frame 3, the discharging hopper 34 extends into the extrusion cylinder 2, and a control valve is also arranged on the discharging hopper 34;

the left side outer wall of material frame 3 passes through the bolt and installs fixed case 4, the diapire of the inner chamber of fixed case 4 passes through the bolt and installs driving motor 41, driving motor 41's output passes through shaft coupling fixedly connected with drive shaft 42, driving shaft 42's top welded fastening has carousel 43, carousel 43's top welded fastening has fixed pin 44, fixed pin 44's outer wall is connected with push-and-pull rod 45 through welded bearing rotation, push-and-pull rod 45's one end rotates the connecting seat of being connected with slider 32 fixed connection, the logical groove that supplies push-and-pull rod 45 to remove is all offered to the corresponding position of material frame 3 and fixed case 4, fixed incasement welded fastening has the stopper 46 that is used for supporting drive shaft 42, driving shaft 42 passes through welded bearing and drive shaft 42 rotation connection, thereby guarantee driving shaft 42 stability when rotating, drive shaft 42 and carousel 43 rotate through driving motor 41, carousel 43 pulls the screening frame 33 through fixed pin 44 and push-and-pull rod 45 and make a round trip movement in material frame 3, thereby the automatic raw materials that filters.

Working principle:

when the extruder capable of heating is used, raw materials are placed into the screening frame 33, the rotating motor 12 and the driving motor 41 are started, the driving motor 41 drives the driving shaft 42 and the rotary table 43 to rotate, the rotary table 43 pulls the screening frame 33 to move back and forth in the material frame 3 through the fixing pin 44 and the push-pull rod 45, the raw materials are automatically screened, the screened raw materials enter the extrusion cylinder 2 through the discharge hopper 34, the electric heating pipes 15 with corresponding numbers are started according to actual use requirements, and the electric heating pipes 15 heat the extrusion cylinder 2, so that raw materials are prevented from being hardened;

the rotating motor 12 drives the driving sprocket 13 to rotate, the driving sprocket 13 drives the driven sprocket 22 to rotate through a chain, so that the conveying shaft 21 and the conveying blades 23 are driven to rotate, raw materials are pushed to move, the materials are extruded through the extrusion head 24, cooling liquid is injected into the cooling jacket 25 through the water inlet pipe, the extrusion head 24 is cooled, the plastic pipe is rapidly shaped, and the cooling liquid is discharged from the cooling jacket 25 through the water drain pipe.

Finally, it should be noted that: the foregoing is merely preferred and is not intended to limit the utility model.

Claims (6)

1. The utility model provides a but warmth extruder, includes bottom plate (1) and sets up heat preservation shell (14) in bottom plate (1) top, its characterized in that: two positioning plates (11) used for supporting the heat preservation shell (14) are symmetrically fixed on the surface of the bottom plate (1), an extrusion cylinder (2) is fixedly connected in the heat preservation shell (14), a plurality of electric heating pipes (15) used for heating the extrusion cylinder (2) are installed in the heat preservation shell (14), an extrusion head (24) is installed on the outer wall of one side of the extrusion cylinder (2), and a cooling sleeve (25) used for cooling the extrusion head (24) is fixed outside the extrusion head (24);

the top symmetry of heat preservation shell (14) is fixed with two spliced poles, and the top fixedly connected with material frame (3) of spliced pole, fixedly connected with fixed column (31) in material frame (3), the outside sliding connection of fixed column (31) has two sliding blocks (32), the bottom fixedly connected with screening frame (33) of sliding block (32).

2. A heatable extruder as defined in claim 1, wherein: the automatic feeding device is characterized in that a fixed box (4) is arranged on the outer wall of one side of the material frame (3), a driving motor (41) is arranged on the bottom wall of the inner cavity of the fixed box (4), a driving shaft (42) is fixedly connected to the output end of the driving motor (41), and a rotary table (43) is fixedly connected to the top of the driving shaft (42).

3. A heatable extruder as claimed in claim 2, wherein: the top of carousel (43) fixedly connected with fixed pin (44), the outer wall of fixed pin (44) rotates and is connected with push-and-pull rod (45), the one end of push-and-pull rod (45) rotates and is connected with the connecting seat with slider (32) fixed connection.

4. A heatable extruder as defined in claim 1, wherein: the rotary motor (12) is installed on the outer wall of one side of the positioning plate (11), a driving sprocket (13) is fixedly connected to the end face of an output shaft of the rotary motor (12), and a conveying shaft (21) is rotationally connected to the extrusion cylinder (2).

5. A heatable extruder as defined in claim 4, wherein: the conveying shaft (21) is fixedly connected with a driven sprocket (22) on the end face outside the extrusion cylinder, a chain is arranged between the driving sprocket (13) and the driven sprocket (22), and a plurality of conveying blades (23) are fixedly connected to the outer wall of the conveying shaft (21).

6. A heatable extruder as claimed in claim 2, wherein: the material frame is characterized in that a discharging hopper (34) is fixedly connected to the inner wall of the lower half part of the material frame (3), and a limiting block (46) for supporting the driving shaft (42) is fixedly connected to the inside of the fixed box (4).

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