CN217704648U

CN217704648U - Double-screw extruder for producing electronic crosslinked polyethylene foam

Info

Publication number: CN217704648U
Application number: CN202221358181.1U
Authority: CN
Inventors: 刘伟祥; 刘瑞英; 柯安星; 江寿华; 吴鸿基
Original assignee: Shanghai Moyuan Industrial Co ltd
Current assignee: Shanghai Moyuan Industrial Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-11-01
Anticipated expiration: 2032-05-23

Abstract

The utility model belongs to the field of double-screw extruders, in particular to a double-screw extruder for producing electronic cross-linked polyethylene foam, which comprises a bottom plate, wherein one side of the upper surface of the bottom plate is connected with a motor, one side of the upper surface of the bottom plate, which is close to the motor, is connected with a transmission case, one side of the outer side wall of the transmission case is connected with an extrusion case, and the upper surface of the extrusion case, which is close to one side of the transmission case, is connected with a hopper; through the oral siphon, the setting of outlet pipe and cooling bath, carry out the installation of oral siphon and outlet pipe to the hob inboard of seting up the cooling bath through connection frame, and carry out the access of recirculated cooling water from oral siphon position department, make recirculated cooling water at the oral siphon, the heat of hob is taken away in the flow between communicating pipe and the outlet pipe, make and extrude incasement portion's material and can reach the effect of cooling down fast under the effect of outside cooling arrangement and inboard circulating water, and can not be because of the product quality that the great influence of inside and outside difference in temperature was produced.

Description

Double-screw extruder for producing electronic crosslinked polyethylene foam

Technical Field

The utility model relates to a double helix extruder field, concretely relates to double helix extruder is used in cotton production of electron crosslinked polyethylene bubble.

Background

In the production process of polyethylene foam, the double-screw extruder mostly adopts water cooling and air cooling measures to cool the material at the position of an extrusion box of the double-screw extruder for ensuring the quality of the produced product, the temperature of a contact surface between the material and a screw rod inside the extrusion box is less because of contact with external cooling equipment, and the temperature of the screw rod affects the cooling of the material, so that the cooling equipment can not completely cool the material, and the quality of the produced product is affected.

In order to solve the problems, the application provides a double-screw extruder for producing the electron cross-linked polyethylene foam.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a cotton production of electron crosslinked polyethylene bubble is with double helix extruder has the characteristics of quickening cooling rate.

(II) technical scheme

For solving the technical problem, the utility model provides a cotton production of electron crosslinked polyethylene bubble is with double helix extruder, comprising a base plate, bottom plate upper surface one side is connected with the motor, the bottom plate upper surface is close to motor one side is connected with the transmission case, transmission case lateral wall one side is connected with the extrusion case, it is close to extrude the case upper surface transmission case one side is connected with the hopper, extrusion case inside wall one side is connected with the connecting axle, the connecting axle is kept away from the one end of hopper is connected with the hob, connecting axle lateral wall intermediate position department is connected with connecting gear, the rotation hole has been seted up to extrusion case lateral wall one side, the cooling bath lateral wall one side intermediate position department has seted up the cooling trough, cooling trough inside wall below is equipped with the oral siphon, the oral siphon upper surface is connected with the outlet pipe.

Preferably, the inner side wall of the cooling groove is provided with a ball groove, and the inner side wall of the ball groove is connected with a ball.

Preferably, the positions of the water inlet pipe and the outer side wall of the water outlet pipe, which correspond to the ball bearings, are provided with grooves.

Preferably, the length of the water inlet pipe and the length of the water outlet pipe are larger than the length of the cooling groove.

Preferably, one side of the water inlet pipe and one side of the water outlet pipe, which are close to the cooling tank, are both in arc design, and the radius is smaller than that of the cooling tank.

Preferably, one end of the water inlet pipe close to the inner side of the cooling tank is connected with a communicating pipe.

Preferably, the outer side wall of the extrusion box is connected with a fixed frame corresponding to the position of the rotating hole.

The above technical scheme of the utility model has following profitable technological effect:

through the oral siphon, the setting of outlet pipe and cooling bath, make double helix extruder in carrying out the cotton production process of polyethylene bubble, to the installation that has seted up the hob inboard of cooling bath and carry out oral siphon and outlet pipe through connecting frame, and carry out recirculated cooling water's access from oral siphon position department, make recirculated cooling water at the oral siphon, the heat of hob is taken away in the flow between communicating pipe and the outlet pipe, make and extrude the effect that incasement portion material can reach the cooling down fast under the effect of outside cooling arrangement and inboard circulating water, and can not be because of the product quality that the great influence of inside and outside difference in temperature produced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the extrusion box of the present invention;

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

fig. 4 is a schematic view of the connection structure of the water inlet pipe and the water outlet pipe of the present invention.

Reference numerals:

1. a base plate; 2. a motor; 3. a transmission case; 4. a hopper; 5. an extrusion box; 6. a screw rod; 7. a connecting gear; 8. rotating the hole; 9. a water inlet pipe; 10. a water outlet pipe; 11. a ball bearing; 12. a ball groove; 13. a cooling tank; 14. and (7) connecting the shafts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in combination with the following embodiments. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the utility model provides a double helix extruder is used in cotton production of electron crosslinked polyethylene bubble, comprising a base plate 1, bottom plate 1 upper surface one side is connected with motor 2, bottom plate 1 upper surface is close to motor 2 one side and is connected with

transmission case

3, 3 lateral wall one sides of transmission case are connected with extrusion case 5, extrusion case 5 upper surface is close to transmission case 3 one side and is connected with hopper 4, extrusion case 5 inside wall one side is connected with connecting axle 14, the one end that hopper 4 was kept away from to connecting axle 14 is connected with

hob

6, 14 lateral wall intermediate position departments of connecting axle are connected with connecting gear 7, rotation hole 8 has been seted up to extrusion case 5 lateral wall one side, cooling bath 13 has been seted up to 6 lateral wall intermediate position departments in one side of hob, cooling bath 13 inside wall below is equipped with oral siphon 9, oral siphon 9 upper surface connection has outlet pipe 10.

In this embodiment, in order to solve the problem that the double-screw extruder is used for producing polyethylene foam, water cooling and air cooling measures are adopted to cool the material at the position of the extrusion box 5 of the double-screw extruder for ensuring the quality of the produced product, the contact surface between the material and the screw rod 6 inside the extrusion box 5 is less in contact with external cooling equipment, and the temperature of the screw rod 6 affects the cooling of the material, so that the cooling equipment cools the material incompletely, and the quality of the produced product is affected.

As shown in fig. 1-4, in the production process of the polyethylene foam, the double-screw extruder installs the inlet pipe 9 and the outlet pipe 10 on the inner side of the screw rod 6 with the cooling tank 13 through the connecting frame, and accesses the circulating cooling water from the position of the inlet pipe 9, so that the heat of the screw rod 6 is taken away by the circulating cooling water flowing among the inlet pipe 9, the communicating pipe and the outlet pipe 10, the internal material of the extrusion box 5 can quickly reach the cooling effect under the action of the external cooling equipment and the internal circulating water, and the quality of the produced product cannot be influenced by the large internal and external temperature difference.

It should be noted that the inlet pipe 9 and the outlet pipe 10 are connected with the cooling tank 13 through the balls 11, and the balls 11 are small in size, so that the distances between the inlet pipe 9 and the outlet pipe 10 and the cooling tank 13 are close to facilitate heat exchange, and the inlet pipe 9 and the outlet pipe 10 are not affected by the rotation of the screw rod 6 under the support of the connecting frame.

In the present embodiment, in order to reduce the influence of the rotation of the screw rod 6 on the water inlet pipe 9 and the water outlet pipe 10, a ball groove 12 is further formed in the inner side wall of the cooling groove 13, and a ball 11 is connected to the inner side wall of the ball groove 12.

In order to enable the rolling balls 11 to roll along the grooves formed on the outer sides of the water inlet pipe 9 and the water outlet pipe 10, further, grooves are formed on the outer side walls of the water inlet pipe 9 and the water outlet pipe 10 corresponding to the rolling balls 11.

In order to make one end of the inlet pipe 9 and the outlet pipe 10 extend to the outside of the extrusion case 5, it is further preferable that the length of the inlet pipe 9 and the outlet pipe 10 is greater than that of the cooling groove 13.

In order to make the water inlet pipe 9 and the water outlet pipe 10 more tightly attached to the cooling tank 13, further, one sides of the water inlet pipe 9 and the water outlet pipe 10 close to the cooling tank 13 are both arc-shaped, and the radius is smaller than that of the cooling tank 13.

In order to discharge the water flowing out from one end of the water inlet pipe 9 through the water outlet pipe 10, a communicating pipe is further connected to one end of the water inlet pipe 9 close to the inner side of the cooling tank 13.

In order to limit the position of one end of the water inlet pipe 9 and one end of the water outlet pipe 10, a fixed frame is further connected to the outer side wall of the extrusion box 5 corresponding to the position of the rotating hole 8.

The utility model discloses a theory of operation and use flow: double helix extruder is carrying out the cotton production process of polyethylene bubble, carry out the installation of oral siphon 9 and outlet pipe 10 to the hob 6 inboard that has seted up cooling bath 13 through connecting frame, and carry out the access of recirculated cooling water from oral siphon 9 position department, make recirculated cooling water at oral siphon 9, the heat of hob 6 is taken away in the flow between communicating pipe and outlet pipe 10, make 5 internal material of extrusion case can reach the effect of cooling down under the effect of outside cooling arrangement and inboard circulating water fast, and can not be because of the product quality that the great influence of inside and outside difference in temperature produced.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundary of the appended claims, or the equivalents of such scope and boundary.

Claims

1. The utility model provides a cotton production of electron crosslinked polyethylene bubble is with double helix extruder, includes bottom plate (1), bottom plate (1) upper surface one side is connected with motor (2), bottom plate (1) upper surface is close to motor (2) one side is connected with transmission case (3), transmission case (3) lateral wall one side is connected with extrusion case (5), extrusion case (5) upper surface is close to transmission case (3) one side is connected with hopper (4), its characterized in that, extrusion case (5) inside wall one side is connected with connecting axle (14), connecting axle (14) are kept away from the one end of hopper (4) is connected with hob (6), connecting axle (14) lateral wall intermediate position department is connected with connecting gear (7), rotation hole (8) have been seted up to extrusion case (5) lateral wall one side, cooling bath (13) have been seted up to hob (6) lateral wall one side intermediate position department, cooling bath (13) below is equipped with oral siphon (9), oral siphon (9) upper surface is connected with outlet pipe (10).

2. The twin-screw extruder for producing electronic cross-linked polyethylene foam as claimed in claim 1, wherein the cooling tank (13) is provided with a ball groove (12) on the inner side wall, and the ball groove (12) is connected with a ball (11) on the inner side wall.

3. The double-screw extruder for producing the electronic cross-linked polyethylene foam as claimed in claim 2, wherein the outer side walls of the water inlet pipe (9) and the water outlet pipe (10) are provided with grooves corresponding to the balls (11).

4. The twin-screw extruder for producing electronic crosslinked polyethylene foam according to claim 1, wherein the length of the water inlet pipe (9) and the length of the water outlet pipe (10) are greater than the length of the cooling tank (13).

5. The double-screw extruder for producing the electronic cross-linked polyethylene foam is characterized in that one side of the water inlet pipe (9) and one side of the water outlet pipe (10) close to the cooling tank (13) are both in arc-shaped design, and the radius of the two sides is smaller than that of the cooling tank (13).

6. The double-screw extruder for producing the electronic cross-linked polyethylene foam as claimed in claim 1, wherein a communicating pipe is connected to one end of the water inlet pipe (9) close to the inner side of the cooling tank (13).

7. The double-screw extruder for producing the electronic cross-linked polyethylene foam as claimed in claim 1, wherein a fixed frame is connected to the outer side wall of the extrusion box (5) at a position corresponding to the rotation hole (8).