CN219543972U - Cable extrusion molding die - Google Patents
Cable extrusion molding die Download PDFInfo
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- CN219543972U CN219543972U CN202320325505.XU CN202320325505U CN219543972U CN 219543972 U CN219543972 U CN 219543972U CN 202320325505 U CN202320325505 U CN 202320325505U CN 219543972 U CN219543972 U CN 219543972U
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- water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of cable molds, in particular to a cable extrusion molding mold, which comprises a mold core and a mold sleeve, wherein the mold core is matched with the mold sleeve, and the cable extrusion molding mold further comprises a cooling device, the cooling device comprises a mounting sleeve, a cooling ring, a refrigerating box and a circulating assembly, the mounting sleeve is in threaded connection with the mold sleeve and is fixedly connected with the cooling ring and sleeved on the outer side of the cooling ring, the cooling ring is connected with the mold sleeve through the mounting sleeve and is positioned on one side of the mold sleeve away from the mold core, the refrigerating box is connected with the cooling ring through the circulating assembly, the circulating assembly is connected with the refrigerating box and is connected with the cooling ring, and the effects of rapidly cooling a plastic layer which is just extruded and avoiding the expansion of the plastic layer to generate bubbles and affecting the uniformity and smoothness of the plastic layer are obtained.
Description
Technical Field
The utility model relates to the technical field of cable molds, in particular to a cable extrusion molding mold.
Background
The mould is a device for shaping products, is a final hot pressing device in the whole plastic extrusion process, and is a key for controlling the thickness of a plastic extrusion layer when an insulation layer and a sheath layer of a wire and a cable are extruded by a plastic extruder. The insulating layer and the sheath layer of the existing wire and cable are made of the low-smoke halogen-free material, so that the cable is more environment-friendly and safer, and the performance is more excellent, but the low-smoke halogen-free material is poorer in fluidity and processability.
The prior art CN217098838U discloses a cable sheath extrusion molding die, belongs to cable die technical field. The die comprises a die core and a die sleeve matched with the die core, wherein an inner conical hole is formed in the die sleeve, the die core is provided with a conical flow guide surface matched with the inner conical hole of the die sleeve, a forming hole for extruding a cable sheath is formed in the front end of the inner conical hole, the forming hole is communicated with the inner conical hole, a circle of arc transition chamfer is formed in the bottom of the die sleeve, and the angle of the inner conical hole of the die sleeve is larger than that of the conical flow guide surface of the die core. According to the utility model, the bottom of the die sleeve is provided with a circle of chamfer and is made into an arc transition design, so that a material flow can flow forwards more easily, and is not easy to accumulate at the contact opening of the die sleeve and the machine head; the angle of the inner conical hole of the die sleeve is designed to be slightly larger than the angle of the conical guide surface of the die core, so that the pressure in the die head is increased when the die core is matched with the die sleeve for extrusion molding, and the flow diffraction is not easy to separate out.
When the extrusion molding of the device is completed, after the plastic layer leaves the extrusion molding die, the constraint of the extrusion molding die is avoided, meanwhile, the plastic layer is not cooled rapidly, the plastic layer expands, the plastic layer becomes loose, bubbles are easy to appear, the uniformity and the smoothness of the plastic layer are affected, and the reliability and the service life of the cable are affected.
Disclosure of Invention
The utility model aims to provide a cable extrusion molding die, which solves the problems that after a plastic layer leaves the extrusion molding die, the plastic layer is free from constraint of the extrusion molding die and is not cooled rapidly, the plastic layer can expand, so that the plastic layer becomes loose, bubbles are easy to appear, the uniformity and the smoothness of the plastic layer are influenced, and the reliability and the service life of a cable are influenced.
In order to achieve the above object, the present utility model provides a cable extrusion molding die comprising a die core and a die sleeve, wherein the die core is matched with the die sleeve,
also comprises a cooling device;
the cooling device comprises a mounting sleeve, a cooling ring, a refrigerating box and a circulating assembly, wherein the mounting sleeve is in threaded connection with the die sleeve, is fixedly connected with the cooling ring, is sleeved on the outer side of the cooling ring, is connected with the die sleeve through the mounting sleeve and is positioned on one side, far away from the die core, of the die sleeve, the refrigerating box is connected with the cooling ring through the circulating assembly, and the circulating assembly is connected with the refrigerating box and is connected with the cooling ring.
The circulating assembly comprises a water inlet pipe, a first water suction pump and a water outlet component, one end of the water inlet pipe is communicated with the cooling ring, the other end of the water inlet pipe is connected with the refrigerating box through the first water suction pump, and the water inlet pipe is positioned on one side of the refrigerating box; the first water suction pump is fixedly connected with the refrigeration box and is positioned at one side of the refrigeration box, which is close to the water inlet pipe; the water outlet component is connected with the refrigeration box and the cooling ring and is positioned at one side of the refrigeration box far away from the first water suction pump.
The water outlet member comprises a water outlet pipe and a second water suction pump, one end of the water outlet pipe is communicated with the cooling ring, the other end of the water outlet pipe is connected with the refrigeration box through the second water suction pump, and the water outlet pipe is positioned at one side of the refrigeration box far away from the water inlet pipe; the second water suction pump is fixedly connected with the cooling ring and is positioned at one side of the cooling ring away from the first water suction pump.
The cooling ring is provided with an inner cavity, a water inlet and a water outlet, and the inner cavity is arranged on the cooling ring; the water inlet is arranged at one side of the cooling ring, which is close to the water inlet pipe, and is matched with the water inlet pipe; the water outlet is arranged on one side of the cooling ring, which is close to the water outlet pipe, and is matched with the water outlet pipe.
The cooling device further comprises a water injection pipe and a sealing cover, wherein the water injection pipe is fixedly connected with the refrigerating box and is positioned at the top of the refrigerating box; the sealing cover is in threaded connection with the water injection pipe and is positioned at the top end of the water injection pipe.
According to the cable extrusion molding die, the water with the temperature reduced in the cooling box is input into the cooling ring through the circulating assembly, the cable plastic layer extruded out of the die sleeve is cooled through the cooling ring, then the water in the cooling ring is pumped out through the circulating assembly and is input into the cooling box again for cooling, the temperature in the cooling ring is kept low through the circulating assembly, and the continuously extruded plastic layer is cooled, so that the plastic layer which is just extruded is rapidly cooled through the cooling device, and the plastic layer is prevented from expanding to generate bubbles, and the uniformity and smoothness of the plastic layer are prevented from being affected.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic top view connection of a cable extrusion die according to a first embodiment of the present utility model.
Fig. 2 is a schematic view showing the structure of a cable extrusion die according to a first embodiment of the present utility model.
Fig. 3 is a schematic diagram showing the connection of a cooling device according to a second embodiment of the present utility model.
In the figure: 101-mold cores, 102-mold sleeves, 103-mounting sleeves, 104-cooling rings, 105-refrigeration boxes, 106-water inlet pipes, 107-first water suction pumps, 108-water outlet pipes, 109-second water suction pumps, 110-inner cavities, 111-water inlets, 112-water outlets, 213-water injection pipes and 214-sealing covers.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
First embodiment:
referring to fig. 1 and 2, fig. 1 is a schematic top view of a cable extrusion die according to a first embodiment of the present utility model, and fig. 2 is a schematic structural diagram of the cable extrusion die according to the first embodiment of the present utility model.
The utility model relates to a cable extrusion molding die which comprises: including mold core 101, die sleeve 102 and cooling device, cooling device includes installation cover 103, cooling ring 104, refrigeration case 105 and circulation subassembly, circulation subassembly includes inlet tube 106, first suction pump 107 and goes out the water component, go out the water component and include outlet pipe 108 and second suction pump 109, cooling ring 104 has inner chamber 110, water inlet 111 and delivery port 112. The problem that after leaving an extrusion molding die, the plastic layer is free from constraint of the extrusion molding die and is not cooled rapidly, the plastic layer expands, the plastic layer becomes loose, bubbles are easy to appear, uniformity and smoothness of the plastic layer are affected, and reliability and service life of a cable are affected is solved through the preamble scheme; it can be understood that the plastic layer just extruded can be rapidly cooled through the preamble scheme, so that the plastic layer is prevented from expanding to generate bubbles, and the uniformity and the smoothness of the plastic layer are prevented from being influenced.
In an embodiment, the angle of the inner conical hole of the die sleeve 102 is designed to be slightly larger than the angle of the conical guide surface of the die core 101, so that the pressure in the die head is increased when the die core 101 is matched with the die sleeve 102 for extrusion molding, and the flow diffraction (precipitation of plastic additive materials during extrusion molding) is not easy to precipitate.
The installation sleeve 103 is in threaded connection with the die sleeve 102, is fixedly connected with the cooling ring 104, is sleeved on the outer side of the cooling ring 104, the cooling ring 104 is connected with the die sleeve 102 through the installation sleeve 103 and is located on one side, far away from the die core 101, of the die sleeve 102, the cooling box 105 is connected with the cooling ring 104 through the circulating assembly, and the circulating assembly is connected with the cooling box 105 and is connected with the cooling ring 104. The inner cavity 110 is disposed on the cooling ring 104; the water inlet 111 is arranged on one side of the cooling ring 104 close to the water inlet pipe 106 and is matched with the water inlet pipe 106; the water outlet 112 is disposed on a side of the cooling ring 104 near the water outlet pipe 108, and is matched with the water outlet pipe 108. The installation sleeve 103 is provided with a groove matched with the diameter of the die sleeve 102 at one end close to the die sleeve 102, a thread is arranged at the inner side close to the die sleeve 102, a thread matched with the thread is arranged at the outer side of the die sleeve 102, the threaded connection of the installation sleeve 103 and the die sleeve 102 is realized, a through hole matched with the diameter of the cooling ring 104 is arranged at one side of the installation sleeve 103 close to the cooling ring 104, the installation sleeve 103 is sleeved at one end of the cooling ring 104 close to the die sleeve 102, the installation sleeve 103 is welded with the cooling ring 104, the detachable connection of the cooling ring 104 and the die sleeve 102 is realized through the installation sleeve 103, the inner diameter of the cooling ring 104 is matched with the diameter of a forming hole of the die sleeve 102, the cooling ring 104 is provided with the inner cavity 110, and the condition is provided for the flow of cooling water, the cooling ring 104 is provided with the water inlet 111 at one side close to the water inlet pipe 106 of the circulation assembly for inputting cooling water into the cooling ring 104, the cooling ring 104 is provided with the water outlet 112 at one side close to the water outlet pipe 108 of the circulation assembly, the cooling ring 104 is connected with the circulation assembly through the water outlet 112, the cooling water in the cooling ring 104 is pumped out of the cooling ring 104, the cooling box 105 is connected with the cooling ring 104 through the circulation assembly, the top of the cooling box 105 is provided with the water filling port for injecting water into the cooling box 105, the water temperature is reduced through the cooling box 105, the temperature of the cooling ring 104 can rapidly cool the plastic layer, the expansion of the plastic layer is avoided, the circulation assembly connects the two ends of the cooling ring 104 and the cooling box 105, the cooling water in the cooling ring 104 is input into the refrigerating box 105 through the circulating assembly, so that water saving is realized; therefore, the cooling water in the cooling box 105 is input into the cooling ring 104 through the circulation assembly, the cable plastic layer extruded out of the die sleeve 102 is cooled through the cooling ring 104, then the water in the cooling ring 104 is pumped out through the circulation assembly and is input into the cooling box 105 again for cooling, the continuously extruded plastic layer is cooled through the circulation assembly while keeping the temperature in the cooling ring 104 at a low temperature all the time, and therefore the plastic layer which is just extruded is rapidly cooled through the cooling device, and the plastic layer is prevented from expanding to generate bubbles, and the uniformity and smoothness of the plastic layer are prevented from being affected.
Secondly, one end of the water inlet pipe 106 is communicated with the cooling ring 104, the other end of the water inlet pipe 106 is connected with the refrigeration box 105 through the first water suction pump 107, and the water inlet pipe 106 is positioned at one side of the refrigeration box 105; the first water suction pump 107 is fixedly connected with the refrigeration box 105 and is positioned at one side of the refrigeration box 105 close to the water inlet pipe 106; the water outlet member is connected to the refrigeration box 105 and the cooling ring 104, and is located at a side of the refrigeration box 105 away from the first water suction pump 107. The water inlet pipe 106 is connected with and penetrates through the cooling ring 104 and one end of the refrigerating box 105, the first water suction pump 107 is arranged at one end, close to the refrigerating box 105, of the water inlet pipe 106, water in the refrigerating box 105 is pumped out through the first water suction pump 107 and is input into the cooling ring 104 through the water inlet pipe 106, and the water outlet component is connected with the cooling ring 104 and one end, far away from the water inlet pipe 106, of the refrigerating box 105 and is used for pumping out water in the cooling ring 104 and inputting the water into the refrigerating box 105; therefore, the circulating assembly realizes the recycling of the cooling water, and saves water resources.
Meanwhile, one end of the water outlet pipe 108 is communicated with the cooling ring 104, the other end of the water outlet pipe 108 is connected with the refrigeration box 105 through the second water suction pump 109, and the water outlet pipe 108 is positioned at one side of the refrigeration box 105 away from the water inlet pipe 106; the second water pump 109 is fixedly connected with the cooling ring 104, and is located at a side of the cooling ring 104 away from the first water pump 107. The water outlet pipe 108 is in through connection with the cooling ring 104 and the other end of the refrigerating box 105, which is far away from the water inlet pipe 106, the second water suction pump 109 is arranged at one end of the water outlet pipe 108, which is close to the cooling ring 104, and the water in the cooling ring 104 is pumped out by the second water suction pump 109 and is input into the refrigerating box 105 through the water outlet pipe 108.
When the cable extrusion molding die of the embodiment is used, the cooling water in the cooling box 105 is input into the cooling ring 104 through the circulating assembly, the cable plastic layer extruded out of the die sleeve 102 is cooled through the cooling ring 104, then the water in the cooling ring 104 is pumped out through the circulating assembly and is input into the cooling box 105 again for cooling, the temperature in the cooling ring 104 is kept at a low temperature all the time through the circulating assembly for cooling the continuously extruded plastic layer, and therefore the cooling device is used for realizing rapid cooling of the plastic layer which is just extruded, and the phenomenon that the plastic layer expands to generate bubbles and influence the uniformity and smoothness of the plastic layer is avoided.
Second embodiment:
referring to fig. 3, fig. 3 is a schematic connection diagram of a cooling device according to a second embodiment of the utility model. On the basis of the first embodiment, the cooling device of the present embodiment further includes a water injection pipe 213 and a sealing cover 214.
In this embodiment, the water injection pipe 213 is fixedly connected to the refrigeration box 105 and is located at the top of the refrigeration box 105; the sealing cover 214 is in threaded connection with the water injection pipe 213 and is positioned at the top end of the water injection pipe 213. The diameter of the water injection pipe 213 is matched with the diameter of the water injection port of the refrigeration box 105, the inner side of the upper end of the water injection pipe 213 is provided with threads matched with the lower end of the sealing cover 214, conditions are provided for threaded connection with the sealing cover 214, cooling water is input from the water injection pipe 213, the cooling water used in the refrigeration box 105 for a long time is conveniently replaced, and the sealing cover 214 is rotatably arranged at the upper end of the water injection pipe 213 and used for sealing the water injection pipe 213 and the inner cavity 110 of the refrigeration box 105.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present utility model, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the utility model.
Claims (5)
1. A cable extrusion molding die comprises a die core and a die sleeve, wherein the die core is matched with the die sleeve,
also comprises a cooling device;
the cooling device comprises a mounting sleeve, a cooling ring, a refrigerating box and a circulating assembly, wherein the mounting sleeve is in threaded connection with the die sleeve, is fixedly connected with the cooling ring, is sleeved on the outer side of the cooling ring, is connected with the die sleeve through the mounting sleeve and is positioned on one side, far away from the die core, of the die sleeve, the refrigerating box is connected with the cooling ring through the circulating assembly, and the circulating assembly is connected with the refrigerating box and is connected with the cooling ring.
2. A cable extrusion die as in claim 1, wherein,
the circulating assembly comprises a water inlet pipe, a first water suction pump and a water outlet component, one end of the water inlet pipe is communicated with the cooling ring, the other end of the water inlet pipe is connected with the refrigeration box through the first water suction pump, and the water inlet pipe is positioned at one side of the refrigeration box; the first water suction pump is fixedly connected with the refrigeration box and is positioned at one side of the refrigeration box, which is close to the water inlet pipe; the water outlet component is connected with the refrigeration box and the cooling ring and is positioned at one side of the refrigeration box far away from the first water suction pump.
3. A cable extrusion die as in claim 2, wherein,
the water outlet member comprises a water outlet pipe and a second water suction pump, one end of the water outlet pipe is communicated with the cooling ring, the other end of the water outlet pipe is connected with the refrigeration box through the second water suction pump, and the water outlet pipe is positioned at one side of the refrigeration box far away from the water inlet pipe; the second water suction pump is fixedly connected with the cooling ring and is positioned at one side of the cooling ring away from the first water suction pump.
4. A cable extrusion die as in claim 3 wherein,
the cooling ring is provided with an inner cavity, a water inlet and a water outlet, and the inner cavity is arranged on the cooling ring; the water inlet is arranged at one side of the cooling ring, which is close to the water inlet pipe, and is matched with the water inlet pipe; the water outlet is arranged on one side of the cooling ring, which is close to the water outlet pipe, and is matched with the water outlet pipe.
5. A cable extrusion die as in claim 1, wherein,
the cooling device further comprises a water injection pipe and a sealing cover, wherein the water injection pipe is fixedly connected with the refrigeration box and is positioned at the top of the refrigeration box; the sealing cover is in threaded connection with the water injection pipe and is positioned at the top end of the water injection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320325505.XU CN219543972U (en) | 2023-02-27 | 2023-02-27 | Cable extrusion molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320325505.XU CN219543972U (en) | 2023-02-27 | 2023-02-27 | Cable extrusion molding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219543972U true CN219543972U (en) | 2023-08-18 |
Family
ID=87707644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320325505.XU Active CN219543972U (en) | 2023-02-27 | 2023-02-27 | Cable extrusion molding die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219543972U (en) |
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2023
- 2023-02-27 CN CN202320325505.XU patent/CN219543972U/en active Active
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