CN215320546U - Double screw extruder cooling device for processing TPV elastomer - Google Patents

Abstract

The utility model discloses a double-screw extruder cooling device for processing a TPV (thermoplastic vulcanizate) elastomer, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a control box, a reaction kettle is arranged on the side of the control box, the top of the reaction kettle is communicated with a feed inlet, the end part of the reaction kettle is fixedly connected with an extrusion die, one end of the extrusion die, which is far away from the reaction kettle, is fixedly connected with a material conveying cylinder, the end part of the material conveying cylinder is provided with a discharge outlet, the interior of the material conveying cylinder is provided with a heat dissipation hole, the top of one end, which is close to the discharge outlet, of the material conveying cylinder is provided with a hollow groove, and the top of the bottom plate is provided with a shell. The utility model can uniformly cool and solidify the product, can prevent the product from deforming when leaving the outlet through the material conveying cylinder, realizes the rapid and uniform cooling of the product, improves the quality of the product, is convenient to disassemble the device, is convenient to maintain and replace internal parts, and prolongs the service life of the device.

Description

Double screw extruder cooling device for processing TPV elastomer

Technical Field

The utility model relates to the field of cooling devices, in particular to a cooling device of a double-screw extruder for processing a TPV (thermoplastic vulcanizate) elastomer.

Background

With the continuous development of the modern machining industry, the requirements on the quality and the precision of TPV elastomer production are continuously improved, the requirements on improving the production efficiency, reducing the production cost and having a high-intelligent automatic extrusion cooling function are also improved, and the development of a cooling device of a double-screw extruder must adapt to the development requirements of the modern machining industry.

Current double screw extruder cooling device of processing TPV elastomer is that the product cools off the product again after leaving out mostly, and because the product after the shaping can take place decurrent deformation under the effect of gravity in the twinkling of an eye of leaving the export, influences product quality, and most inconvenient not carry out even cooling to the product, is heated the influence of expend with heat and contract with cold, and deformation can take place for the product, influences product quality.

Therefore, it is necessary to develop a cooling device for a twin-screw extruder for processing TPV elastomer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-screw extruder cooling device for processing a TPV (thermoplastic vulcanizate) elastomer, which can uniformly cool a product through a first cooling pipe and a second cooling pipe, can uniformly cool and solidify the product inside, can prevent the product from deforming when leaving an outlet through a material conveying cylinder, realizes the rapid and uniform cooling of the product, improves the quality of the product, and solves the problems that most of the products in the prior art are cooled after leaving the outlet, and the formed product deforms downwards under the action of gravity at the moment of leaving the outlet, so that the quality of the product is influenced, most of the products are inconvenient to uniformly cool, are influenced by thermal expansion and cold contraction, and the product deforms and influences the quality of the product.

In order to achieve the above purpose, the utility model provides the following technical scheme: a double-screw extruder cooling device for processing a TPV elastomer comprises a bottom plate, wherein a control box is fixedly connected to the top of the bottom plate, a reaction kettle is installed on the side of the control box, the top of the reaction kettle is communicated with a feed inlet, an extrusion die is fixedly connected to the end part of the reaction kettle, one end of the extrusion die, which is far away from the reaction kettle, is fixedly connected with a material transmission barrel, a discharge port is formed in the end part of the material transmission barrel, heat dissipation holes are formed in the material transmission barrel, a hollow groove is formed in the top of one end, which is close to the discharge port, of the material transmission barrel, a shell is installed at the top of the bottom plate, a cavity is formed in the shell, a cooling mechanism is installed in the cavity, a first cooling pipe and a second cooling pipe are arranged on the outer side of the material transmission barrel, one end of the first cooling pipe is communicated with a first water inlet pipe, and the other end of the first cooling pipe is communicated with a first water outlet pipe, the utility model discloses a bottom plate of water-cooled generator, including first outlet pipe, second cooling pipe, bottom plate, first water pump, the internally mounted of first outlet pipe has first water pump, the one end intercommunication of second cooling pipe has the second inlet tube, the other end intercommunication of second cooling pipe has the second outlet pipe, the internally mounted of second inlet tube has the second water pump, the bottom fixedly connected with sill pillar of bottom plate.

Preferably, the shape of each heat dissipation hole is gradually reduced from the discharge port to the inside, four heat dissipation holes are formed in the number, and the four heat dissipation holes are distributed in an annular array relative to a center line point of the material conveying cylinder.

Preferably, the first cooling pipe and the second cooling pipe are each provided in a spiral shape.

Preferably, the first cooling pipe and the second cooling pipe are distributed in a staggered mode, and the first cooling pipe and the second cooling pipe encircle the outer side of the material conveying cylinder and are in contact with the material conveying cylinder.

Preferably, the cross sections of the first cooling pipe and the second cooling pipe are both rectangular.

Preferably, the top of casing is provided with the fixed block, the inside of fixed block is run through there is the screw, the outside threaded connection of screw has the nut, the quantity of casing sets up to two, two the casing symmetric distribution is in the both sides of passing the feed cylinder.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. by starting the cooling mechanism, the first water pump and the second water pump, the first water pump drives cooling liquid to enter the first cooling pipe through the first water outlet pipe, the first cooling pipe is flat, so that the contact area with the transmission barrel can be increased, and the absorption of heat on the surface of the transmission barrel is facilitated;

2. pass feed cylinder and extrusion tooling fixed connection, it is fixed just to cool off before leaving the export to make, effectively prevent the product deformation, the product is when passing the feed cylinder, because cool off gradually, and solidify gradually, wherein the louvre has been seted up to the inside of passing the feed cylinder, and the louvre is dwindled by the discharge gate to inside gradually, can prevent that the product that does not thoroughly cool off the solidification from taking place deformation, the product can dispel the heat more fast through the louvre, through nut and screw, can dismantle two casings, be convenient for maintain and change the part of inside, the service life of device has been prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side-view perspective of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of a connection structure between a discharge port and a second water outlet pipe according to the present invention;

FIG. 5 is a schematic perspective view of a material transfer cylinder according to the present invention;

FIG. 6 is an exploded view of the first cooling tube and the second cooling tube of the present invention;

FIG. 7 is an exploded view of the housing of the present invention;

fig. 8 is a schematic view of the internal structure of the housing of the present invention.

Description of reference numerals:

1. a base plate; 2. a control box; 3. a reaction kettle; 4. a feed inlet; 5. extruding the mould; 6. a material conveying barrel; 7. a discharge port; 8. heat dissipation holes; 9. an empty groove; 10. a housing; 11. a cavity; 12. a cooling mechanism; 13. a first cooling pipe; 14. a first water inlet pipe; 15. a first water outlet pipe; 16. a first water pump; 17. a second cooling pipe; 18. a second water inlet pipe; 19. a second water outlet pipe; 20. a second water pump; 21. a fixed block; 22. a screw; 23. a nut; 24. a bottom pillar.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a double-screw extruder cooling device for processing TPV (thermoplastic vulcanizate) elastomers, which comprises a bottom plate 1, wherein the top of the bottom plate 1 is fixedly connected with a control box 2, the side of the control box 2 is provided with a reaction kettle 3, the top of the reaction kettle 3 is communicated with a feed inlet 4, the end part of the reaction kettle 3 is fixedly connected with an extrusion die 5, one end of the extrusion die 5, which is far away from the reaction kettle 3, is fixedly connected with a material conveying barrel 6, the end part of the material conveying barrel 6 is provided with a discharge port 7, the interior of the material conveying barrel 6 is provided with a heat dissipation hole 8, the top of the material conveying barrel 6, which is close to the discharge port 7, is provided with a hollow groove 9, the top of the bottom plate 1 is provided with a shell 10, the interior of the shell 10 is provided with a cavity 11, the interior of the cavity 11 is provided with a cooling mechanism 12, the outer side of the material conveying barrel 6 is provided with a first cooling pipe 13 and a second cooling pipe 17, one end intercommunication of first cooling tube 13 has first inlet tube 14, the other end intercommunication of first cooling tube 13 has first outlet pipe 15, the internally mounted of first outlet pipe 15 has first water pump 16, the one end intercommunication of second cooling tube 17 has second inlet tube 18, the other end intercommunication of second cooling tube 17 has second outlet pipe 19, the internally mounted of second inlet tube 18 has second water pump 20, the bottom fixedly connected with sill pillar 24 of bottom plate 1.

In the above technical scheme, the shape of the heat dissipation holes 8 is gradually reduced from the discharge port 7 to the inside, the number of the heat dissipation holes 8 is four, and the four heat dissipation holes 8 are distributed in an annular array about the central line point of the material conveying cylinder 6, so that the product can be thoroughly cooled.

In the above technical solution, the first cooling pipe 13 and the second cooling pipe 17 are both spiral in shape, so as to facilitate uniform heat dissipation.

As shown in fig. 1-8: the first cooling pipe 13 and the second cooling pipe 17 are distributed in a staggered mode, the first cooling pipe 13 and the second cooling pipe 17 are arranged on the outer side of the material conveying cylinder 6 in a surrounding mode and are in contact with the material conveying cylinder 6, and therefore the material conveying cylinder 6 can be cooled rapidly and thoroughly.

In the above technical solution, the cross sections of the first cooling pipe 13 and the second cooling pipe 17 are both rectangular, so that the contact area between the first cooling pipe and the material transfer cylinder 6 can be enlarged, and the heat of the first cooling pipe and the heat transfer cylinder can be absorbed by the components conveniently.

In the above technical scheme, the top of casing 10 is provided with fixed block 21, the inside of fixed block 21 is run through there is screw 22, the outside threaded connection of screw 22 has nut 23, the quantity of casing 10 sets up to two casing 10 symmetric distribution is in the both sides of passing feed cylinder 6, is convenient for dismantle and assemble the device, is convenient for maintain and change the part of inside.

This practical theory of operation:

referring to the attached drawings 1-6 of the specification, firstly, a user can place the raw material of the TPV elastomer in the feeding hole 4, then start the device, so that the TPV elastomer enters the material conveying cylinder 6 after being formed by the extrusion die 5, and then start the cooling mechanism 12, the first water pump 16 and the second water pump 20, the first water pump 16 drives the cooling liquid in the cooling mechanism 12 to enter the first cooling pipe 13 through the first water outlet pipe 15, because the first cooling pipe 13 is flat, the contact area between the first cooling pipe 13 and the material conveying cylinder 6 can be increased, the heat on the surface of the material conveying cylinder 6 can be absorbed favorably, the first cooling pipe 13 spirally surrounds the material conveying cylinder 6, the material conveying cylinder 6 can be cooled uniformly, the cooling liquid passes through the first cooling pipe 13 and enters the cooling mechanism 12 through the first water outlet pipe 15, wherein the second water pump 20 drives the cooling liquid in the cooling mechanism 12 to enter the second cooling pipe 17 through the second water inlet pipe 18, then enters the cooling mechanism 12 through a second water outlet pipe 19, wherein the first water inlet pipe 14 is arranged at the outlet of the material conveying cylinder 6, and the second water inlet pipe 18 is arranged at the inlet of the material conveying cylinder 6, so that the material conveying cylinder 6 is cooled uniformly, and the phenomenon that the internal product is deformed due to nonuniform cooling to influence the product quality can be prevented;

referring to the attached drawings 1, 2, 3, 4, 5, 7 and 8 of the specification, the material conveying cylinder 6 is fixedly connected with the extrusion die 5, the material conveying cylinder can be cooled and fixed before leaving an outlet, product deformation is effectively prevented, products are gradually cooled and gradually solidified when passing through the material conveying cylinder 6, heat dissipation holes 8 are formed in the material conveying cylinder 6, the heat dissipation holes 8 are four in shape, the heat dissipation holes 8 are gradually reduced towards the inside from a discharge port 7, deformation of the products which are not completely cooled and solidified can be prevented, the products can be quickly dissipated through the heat dissipation holes 8, then a user can rotate the screw cap 23 to be separated from the screw 22, the two shells 10 can be disassembled, maintenance and replacement of internal parts are facilitated, and the service life of the device is prolonged.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims (6)

1. The utility model provides a double screw extruder cooling device of processing TPV elastomer, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly connected with a control box (2), a reaction kettle (3) is installed on the side of the control box (2), the top of the reaction kettle (3) is communicated with a feed inlet (4), the end of the reaction kettle (3) is fixedly connected with an extrusion die (5), one end, away from the reaction kettle (3), of the extrusion die (5) is fixedly connected with a material transmission barrel (6), the end of the material transmission barrel (6) is provided with a discharge outlet (7), a heat dissipation hole (8) is formed in the material transmission barrel (6), the top of one end, close to the discharge outlet (7), of the material transmission barrel (6) is provided with a hollow groove (9), the top of the bottom plate (1) is provided with a shell (10), a cavity (11) is formed in the shell (10), a cooling mechanism (12) is installed in the cavity (11), a first cooling pipe (13) and a second cooling pipe (17) are arranged on the outer side of the material transmission barrel (6), the one end intercommunication of first cooling tube (13) has first inlet tube (14), the other end intercommunication of first cooling tube (13) has first outlet pipe (15), the internally mounted of first outlet pipe (15) has first water pump (16), the one end intercommunication of second cooling tube (17) has second inlet tube (18), the other end intercommunication of second cooling tube (17) has second outlet pipe (19), the internally mounted of second inlet tube (18) has second water pump (20), the bottom fixedly connected with sill pillar (24) of bottom plate (1).

2. The cooling apparatus for twin-screw extruder for processing TPV elastomer as claimed in claim 1, wherein: the shape of the heat dissipation holes (8) is gradually reduced from the discharge hole (7) to the inside, four heat dissipation holes (8) are arranged, and the four heat dissipation holes (8) are distributed in an annular array mode about the center line point of the material conveying cylinder (6).

3. The cooling apparatus for twin-screw extruder for processing TPV elastomer as claimed in claim 1, wherein: the first cooling pipe (13) and the second cooling pipe (17) are both arranged in a spiral shape.

4. The cooling apparatus for twin-screw extruder for processing TPV elastomer as claimed in claim 1, wherein: the first cooling pipe (13) and the second cooling pipe (17) are distributed in a staggered mode, and the first cooling pipe (13) and the second cooling pipe (17) are arranged on the outer side of the material conveying cylinder (6) in a surrounding mode and are in contact with the material conveying cylinder (6).

5. The cooling apparatus for twin-screw extruder for processing TPV elastomer as claimed in claim 1, wherein: the sections of the first cooling pipe (13) and the second cooling pipe (17) are rectangular.

6. The cooling apparatus for twin-screw extruder for processing TPV elastomer as claimed in claim 1, wherein: the top of casing (10) is provided with fixed block (21), the inside of fixed block (21) is run through and is had screw (22), the outside threaded connection of screw (22) has nut (23), the quantity of casing (10) sets up to two, two casing (10) symmetric distribution is in the both sides of passing feed cylinder (6).

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