Fireproof mud extruder head cooling device
By installing heat-conducting and heat-storing components at the die head of the fireproof putty extruder, the problem of excessively high temperature in the hot runner of the extruder die head is solved, thereby improving the yield of fireproof putty and offering the advantages of simplicity and low cost.
Patent Information
- Application Number
- CN202421167546.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The existing fireproof putty extruder head lacks a cooling system, which leads to excessively high temperatures in the hot runner of the extruder head, causing the fireproof putty surface to dry, harden, and crack, thus reducing the yield.
A cooling device for the die head of a fireproof clay extruder was designed, including a heat conduction component and a heat storage component. The heat conduction component transfers the heat from the extruder die head to the heat storage component, and the heat exchanger is used for heat exchange to avoid the temperature of the hot runner of the die head being too high.
It effectively avoids the surface of fireproof putty from drying, hardening, and cracking, improves the yield, and has the advantages of simple structure, easy operation, and low cost.
Smart Images

Figure CN222319841U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of cable manufacturing, and in particular relates to a cooling device for the head of a fireproof mud extruder. Background Art
[0002] In the prior art, cable fireproof mud is a flexible flame retardant material used for the oxygen insulation layer of cables, which is mainly composed of chlorinated paraffin, porcelain clay powder, etc. It has good fire retardant, smoke blocking, oil resistance, water resistance and corrosion resistance.
[0003] In the prior art, as shown in the patent document with application number 202221484065, cable fire retardant mud is usually made by mixing and extruding with an extruder. However, since the existing fire retardant mud extruder head has no cooling system, when the fire retardant mud is extruded onto the surface of the cable core through the extruder head and the mold, the heat generated by the friction in the flow channel of the extruder head will cause the surface of the mixed and extruded fire retardant mud to dry out and then cause hardening and cracking. The yield of the fire retardant mud is significantly reduced, so improvements are urgently needed. Utility Model Content
[0004] In order to solve the technical problem in the prior art that, during the mixing and extrusion process of the fireproof mud, there is no cooling system at the extruder head, and when the fireproof mud is extruded from the extruder, the high temperature on the surface of the hot runner of the extruder will cause the surface of the fireproof mud to dry, harden and crack, thereby reducing the yield of the fireproof mud and being unfavorable for its connection production, the present application proposes a cooling device for the head of the fireproof mud extruder.
[0005] The present application adopts the following scheme, a fireproof mud extruder head cooling device, including a heat-conducting component arranged on the periphery of the extruder head, a heat storage component arranged on the heat-conducting component, and a heat exchanger arranged on the heat storage component, the heat-conducting component is used to conduct the heat generated by the extruder head to the heat storage component, the heat-conducting component includes a first heat-conducting part, and a second heat-conducting part detachably arranged on the first heat-conducting part, the first heat-conducting part and the second heat-conducting part together enclose a heat-conducting cavity, and the extruder head can be matched and arranged in the heat-conducting cavity.
[0006] Furthermore, a connecting component is provided between the first heat conductive member and the second heat conductive member, and the connecting component includes a first connecting ear provided at both ends of the first heat conductive member, a second connecting ear provided at both ends of the second heat conductive member, a first connecting hole provided on the first connecting ear, and a second connecting hole provided on the second connecting ear at a position corresponding to the first connecting hole, and a fastener can be matched and penetrated through the first connecting hole and the second connecting hole at the same time, so that the first heat conductive member and the second heat conductive member can be detachably connected.
[0007] Furthermore, when the second heat-conducting member is detachably arranged on the first heat-conducting member, a grease layer is coated between the first connecting ear and the second connecting ear.
[0008] Furthermore, the first heat conductive component includes a heat conductive bracket, an inner semiconductor heat conductive layer attached to the inner periphery of the heat conductive bracket, and an outer semiconductor heat conductive layer attached to the outer periphery of the heat conductive bracket. The heat conductive bracket is made of any one of brass, copper, stainless steel, and aluminum alloy.
[0009] Furthermore, thermally conductive silicone grease is coated between the inner periphery of the thermally conductive support and the inner semiconductor thermally conductive layer, and thermally conductive silicone grease is coated between the outer periphery of the thermally conductive support and the outer semiconductor thermally conductive layer.
[0010] Furthermore, the heat storage component includes a first heat storage component provided on the first heat conductive component, and a second heat storage component provided on the second heat conductive component, and the first heat storage component is detachably connected to the second heat storage component.
[0011] Furthermore, the first heat storage component includes a box body for accommodating cooling liquid, a liquid inlet pipe arranged on the box body, a liquid outlet pipe arranged on the box body, and an installation groove arranged on the box body and matching with the first heat conductive component, and the first heat conductive component can be matched and arranged in the installation groove.
[0012] Furthermore, the first heat storage component is provided with a yield groove at a position corresponding to the first connecting ear.
[0013] Furthermore, the first heat storage member is provided with a first magnetic member, and the second heat storage member is provided with a second magnetic member. When the first heat storage member and the second heat storage member are matched and arranged on the first heat conductive member and the second heat conductive member respectively, the first heat storage member and the second heat storage member are magnetically connected through the first magnetic member and the second magnetic member.
[0014] Compared with the prior art, this application has the following beneficial effects:
[0015] The present application provides a cooling device for a fireproof mud extruder head, comprising a heat-conducting component arranged on the periphery of the extruder, a heat storage component arranged on the heat-conducting component, and a heat exchanger arranged on the heat storage component, wherein the heat-conducting component comprises a first heat-conducting part and a second heat-conducting part, and the first heat-conducting part and the second heat-conducting part together enclose a heat-conducting cavity in which the extruder head can be placed. By arranging the first heat-conducting part and the second heat-conducting part on the extruder head, the heat generated by the extruder head can be effectively conducted to the heat storage component, thereby avoiding excessively high temperature of the hot runner of the extruder head, which causes the surface of the fireproof mud to dry, harden and crack when it is extruded from the extruder head, thereby reducing the quality of the cable. The device has the advantages of simple structure, easy operation, low implementation cost and high safety factor. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments.
[0017] Figure 1 This is a schematic structural diagram of a cooling device for a fireproof mud extruder head of the present application;
[0018] Figure 2 This is a front view of a cooling device for a fireproof mud extruder head of the present application;
[0019] Figure 3 This application Figure 2 A partial enlarged view of the middle A;
[0020] Figure 4 It is a schematic diagram of the exploded structure of a cooling device for a fireproof mud extruder head of the present application. DETAILED DESCRIPTION
[0021] Combined with Figure 1-4 As shown, the technical scheme is further explained, a fireproof mud extruder head cooling device includes a heat-conducting component 1 arranged on the periphery of the extruder head, a heat storage component 2 arranged on the heat-conducting component 1, and a heat exchanger arranged on the heat storage component 2, the heat-conducting component 1 is used to conduct the heat generated by the extruder head to the heat storage component 2, the heat-conducting component 1 includes a first heat-conducting member 10, and a second heat-conducting member 11 detachably arranged on the first heat-conducting member 10, the first heat-conducting member 10 and the second heat-conducting member 11 together enclose a heat-conducting cavity 12, and the extruder head can be matched and arranged in the heat-conducting cavity 12.
[0022] The present application provides a cooling device for a fireproof mud extruder head, comprising a heat-conducting component arranged on the periphery of the extruder, a heat storage component arranged on the heat-conducting component, and a heat exchanger arranged on the heat storage component, wherein the heat-conducting component comprises a first heat-conducting part and a second heat-conducting part, and the first heat-conducting part and the second heat-conducting part together enclose a heat-conducting cavity in which the extruder head can be placed. By arranging the first heat-conducting part and the second heat-conducting part on the extruder head, the heat generated by the extruder head can be effectively conducted to the heat storage component, thereby avoiding excessively high temperature of the hot runner of the extruder head, which causes the surface of the fireproof mud to dry, harden and crack when it is extruded from the extruder head, thereby reducing the quality of the cable. The device has the advantages of simple structure, easy operation, low implementation cost and high safety factor.
[0023] During the implementation of this embodiment, a connecting component 3 is provided between the first heat conductive member 10 and the second heat conductive member 11, and the connecting component 3 includes first connecting ears 30 provided at both ends of the first heat conductive member 10, second connecting ears 31 provided at both ends of the second heat conductive member 11, a first connecting hole 32 provided on the first connecting ear 30, and a second connecting hole 33 provided on the second connecting ear 31 at a position corresponding to the first connecting hole 32. Fasteners can be matched and penetrated through the first connecting hole 32 and the second connecting hole 33 at the same time, so that the first heat conductive member 10 and the second heat conductive member 11 can be detachably connected.
[0024] During the actual implementation process, the first connecting hole and the second connecting hole are both threaded connecting holes, and the fasteners are fastening studs and nuts matched on the fastening studs. The first heat conductive component and the second heat conductive component can be firmly connected through the connecting assembly, so that the two are tightly fitted to the outer periphery of the extruder head, thereby improving the thermal conductivity efficiency of the heat conductive assembly.
[0025] During the implementation of this embodiment, when the second heat-conducting member 11 is detachably disposed on the first heat-conducting member 10 , a grease layer is coated between the first connecting ear 30 and the second connecting ear 31 .
[0026] In the actual implementation process, coating the lubricating grease layer is helpful to improve the convenience of assembly between the first heat conducting member and the second heat conducting member;
[0027] During the actual implementation process, by detachably connecting the first heat conductive component and the second heat conductive component, when one of the heat conductive components is damaged, there is no need to disassemble the entire heat conductive component, which facilitates the maintenance of the extruder head; when assembling the heat conductive component, there is no need to hoist the extruder head, which facilitates the installation of the heat conductive component.
[0028] During the implementation of this embodiment, the first heat-conducting member 10 includes a heat-conducting bracket 100, an inner semiconductor heat-conducting layer 101 attached to the inner periphery of the heat-conducting bracket 100, and an outer semiconductor heat-conducting layer 102 attached to the outer periphery of the heat-conducting bracket 100. The heat-conducting bracket 100 is made of any one of brass, copper, stainless steel, and aluminum alloy.
[0029] In the actual implementation process, the material of the thermal conductive bracket is copper, the thickness of the thermal conductive bracket is 0.5-0.8 cm, the thickness of the inner semiconductor thermal conductive layer is equal to the thickness of the outer semiconductor thermal conductive layer, and the thickness of the inner semiconductor thermal conductive layer is 0.1 cm-0.25 cm.
[0030] During the implementation of this embodiment, thermal grease is coated between the inner periphery of the thermally conductive support 100 and the inner semiconductor thermally conductive layer 101 , and thermal grease is coated between the outer periphery of the thermally conductive support 100 and the outer semiconductor thermally conductive layer 102 .
[0031] During the implementation of this embodiment, the heat storage assembly 2 includes a first heat storage member 20 provided on the first heat conductive member 10, and a second heat storage member 21 provided on the second heat conductive member 11, and the first heat storage member 20 and the second heat storage member 21 are detachably connected.
[0032] During the implementation of this embodiment, the first heat storage member 20 includes a box body 200 for accommodating cooling liquid, a liquid inlet pipe 201 provided on the box body 200, a liquid outlet pipe 202 provided on the box body 200, and an installation groove 203 provided on the box body 200 and matching with the first heat conductive member 10, and the first heat conductive member 10 can be matched and provided in the installation groove 203.
[0033] During the actual implementation process, the structure of the second heat storage element is exactly the same as that of the first heat storage element. The box body is made of stainless steel, and cooling water is placed in the box body. The heat exchanger is connected to the box body pipeline. A temperature sensor is also provided on the box body. The temperature sensor is used to sense the temperature of the coolant in the box body. When the temperature sensed by the temperature sensor is higher than its preset value, the pump body transports the coolant in the box body to the heat exchanger for heat exchange, and then returns the coolant with the lowered temperature to the box body.
[0034] During the implementation of this embodiment, the first heat storage component 20 is provided with a clearance groove 204 at a position corresponding to the first connecting ear 30 .
[0035] During the actual implementation process, by setting up the clearance groove, the installation of the connection components is facilitated, thereby improving the overall installation convenience.
[0036] During the implementation of this embodiment, a first magnetic member is provided on the first heat storage member 20, and a second magnetic member is provided on the second heat storage member 21. When the first heat storage member 20 and the second heat storage member 21 are matched and arranged on the first heat conductive member 10 and the second heat conductive member 11 respectively, the first heat storage member 20 and the second heat storage member 21 are magnetically connected through the first magnetic member and the second magnetic member.
[0037] The present application provides a cooling device for a fireproof mud extruder head, comprising a heat-conducting component arranged on the periphery of the extruder, a heat storage component arranged on the heat-conducting component, and a heat exchanger arranged on the heat storage component, wherein the heat-conducting component comprises a first heat-conducting part and a second heat-conducting part, and the first heat-conducting part and the second heat-conducting part together enclose a heat-conducting cavity in which the extruder head can be placed. By arranging the first heat-conducting part and the second heat-conducting part on the extruder head, the heat generated by the extruder head can be effectively conducted to the heat storage component, thereby avoiding excessively high temperature of the hot runner of the extruder head, which causes the surface of the fireproof mud to dry, harden and crack when it is extruded from the extruder head, thereby reducing the quality of the cable. The device has the advantages of simple structure, easy operation, low implementation cost and high safety factor.
[0038] The above are only embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A cooling device for a fireproof mud extruder head, characterized in that: The invention comprises a heat-conducting component (1) arranged on the periphery of an extruder head, a heat storage component (2) arranged on the heat-conducting component (1), and a heat exchanger arranged on the heat storage component (2); the heat-conducting component (1) is used to transfer heat generated by the extruder head to the heat storage component (2); the heat-conducting component (1) comprises a first heat-conducting member (10) and a second heat-conducting member (11) detachably arranged on the first heat-conducting member (10); the first heat-conducting member (10) and the second heat-conducting member (11) together enclose a heat-conducting cavity (12); and the extruder head can be matched and arranged in the heat-conducting cavity (12).
2. A fireproof mud extruder head cooling device according to claim 1, characterized in that: A connecting assembly (3) is provided between the first heat-conducting member (10) and the second heat-conducting member (11), and the connecting assembly (3) comprises first connecting ears (30) provided at two ends of the first heat-conducting member (10), second connecting ears (31) provided at two ends of the second heat-conducting member (11), a first connecting hole (32) provided on the first connecting ear (30), and a second connecting hole (33) provided on the second connecting ear (31) at a position corresponding to the first connecting hole (32), and a fastener can be matched and penetrated through the first connecting hole (32) and the second connecting hole (33) at the same time, so that the first heat-conducting member (10) and the second heat-conducting member (11) can be detachably connected.
3. A cooling device for a fireproof mud extruder head according to claim 2, characterized in that: When the second heat-conducting member (11) is detachably arranged on the first heat-conducting member (10), a lubricating grease layer is coated between the first connecting ear (30) and the second connecting ear (31).
4. A cooling device for a fireproof mud extruder head according to claim 2, characterized in that: The first heat-conducting component (10) comprises a heat-conducting support (100), an inner semiconductor heat-conducting layer (101) attached to the inner periphery of the heat-conducting support (100), and an outer semiconductor heat-conducting layer (102) attached to the outer periphery of the heat-conducting support (100); the material of the heat-conducting support (100) is any one of brass, copper, stainless steel and aluminum alloy.
5. A cooling device for a fireproof mud extruder head according to claim 4, characterized in that: Thermally conductive silicone grease is coated between the inner periphery of the thermally conductive support (100) and the inner semiconductor thermally conductive layer (101), and thermally conductive silicone grease is coated between the outer periphery of the thermally conductive support (100) and the outer semiconductor thermally conductive layer (102).
6. A cooling device for a fireproof mud extruder head according to claim 2, characterized in that: The heat storage component (2) comprises a first heat storage component (20) provided on a first heat conducting component (10), and a second heat storage component (21) provided on the second heat conducting component (11), wherein the first heat storage component (20) and the second heat storage component (21) are detachably connected.
7. A cooling device for a fireproof mud extruder head according to claim 6, characterized in that: The first heat storage component (20) comprises a box body (200) for accommodating cooling liquid, a liquid inlet pipe (201) arranged on the box body (200), a liquid outlet pipe (202) arranged on the box body (200), and an installation groove (203) arranged on the box body (200) and matching with the first heat conducting component (10), and the first heat conducting component (10) can be matched and arranged in the installation groove (203).
8. A cooling device for a fireproof mud extruder head according to claim 7, characterized in that: The first heat storage component (20) is provided with a clearance groove (204) at a position corresponding to the first connecting ear (30).
9. A cooling device for a fireproof mud extruder head according to claim 6, characterized in that: The first heat storage member (20) is provided with a first magnetic member, and the second heat storage member (21) is provided with a second magnetic member. When the first heat storage member (20) and the second heat storage member (21) are matched and arranged on the first heat conductive member (10) and the second heat conductive member (11), respectively, the first heat storage member (20) and the second heat storage member (21) are magnetically connected via the first magnetic member and the second magnetic member.
Citation Information
Patent Citations
Extrusion molding device for cable fireproof mud
CN217803234U