Extruder head heating device

Abstract

The utility model relates to the technical field of extrusion machine head heating, in particular to an extrusion machine head heating device which comprises a machine head, an inserting groove is formed in the rear side of the machine head, an installation sleeve is installed on the rear side of the machine head, a first connecting hole is formed in the side face of the installation sleeve, a connecting column penetrates through the first connecting hole, and a second connecting hole is formed in the connecting column. Limiting plates are fixed to the outer ends of the connecting columns. The beneficial effects of the utility model are that the temperature sensor is convenient to mount and dismount, and meanwhile, the limiting plate can be rotated and the connecting column can be dismounted and mounted, so that the electric heating rod can be detachably mounted, the operation is convenient and simple, and the electric heating rod is convenient to replace and maintain; the insertion grooves are formed in the middle and the side face of the machine head, the electric heating rods are inserted into the insertion grooves through the mounting sleeves and the connecting columns, and energization is conducted through the wires, so that the machine head is fully and evenly heated through the electric heating rods, and good use of the machine head is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of extruder head heating, in particular to an extruder head heating device. Background Art

[0002] Extruders are mainly used to blend and modify polymer materials by melting, mixing and extruding the raw materials to obtain shaped materials. The extruder head plays an indispensable role in the raw material shaping process.

[0003] The processing of the insulation layer on the outside of the cable is mainly achieved through an extruder, which includes a screw, a barrel, a die and other components. The barrel is heated by its own heating device to melt the material in the barrel, and the material is transported to the die by the screw. The extruder head converts the melt in rotational motion into parallel linear motion, and further plasticizes the melt evenly through its own heating device, and evenly and steadily introduces it into the die, and by giving the necessary molding pressure, the melt can wrap the cable core wire.

[0004] For example, the prior art Chinese patent publication number "CN220052828U" provides a heating device for a cable extruder head, including a U-shaped body, a heating plate layer is provided inside the U-shaped body, the surface of the U-shaped body is coated with a protective surface layer, the inner wall of the U-shaped body is coated with a thermal conductive silicone grease layer, and an insulation layer is provided on the outside of the heating plate layer inside the U-shaped body.

[0005] The device has a thermal grease layer on the inner side of the heating plate to reduce thermal resistance, enhance thermal conductivity, and improve heating uniformity. At the same time, a thermal insulation layer, a reflective layer, and a vacuum insulation panel are provided on the outer side of the heat conduction plate to prevent heat from being discharged outward. At the same time, the temperature on the outer side of the heating device will not be very high and can be within the acceptable range for the human body, thereby reducing the probability of scalding accidents.

[0006] The existing extruder head heating device has a relatively tight installation structure for the head heating, which is inconvenient to disassemble, install, replace and maintain. Moreover, the surface heating of the head is not sufficient and uniform, which is not convenient for sufficient heating of the head. Utility Model Content

[0007] The utility model aims to solve the shortcomings of the prior art that the structure for heating the die head is relatively tightly installed and inconvenient to disassemble, install, replace and maintain, and proposes an extruder die head heating device.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A heating device for an extruder head is designed, comprising a head, a plug-in slot is opened on the rear side of the head, a mounting sleeve is installed on the rear side of the head, a first connecting hole is opened on the side of the mounting sleeve, a connecting column passes through the interior of the first connecting hole, a limiting plate is fixed to the outer end of the connecting column, an electric heating rod is fixed to the inner end of the connecting column, the electric heating rod is slidably inserted into the plug-in slot, a sealing ring is sleeved on the inner end surface of the connecting column, the sealing ring is inserted into the notch of the plug-in slot, a wire is connected to the surface of the connecting column, a second connecting hole is opened on the surface of the mounting sleeve, a positioning groove is opened on the surface of the head, a tightening bolt passes through the interior of the second connecting hole, and the inner end of the tightening bolt is inserted into the positioning groove.

[0010] Furthermore, a mounting groove is opened on the rear side of the machine head, a temperature sensor is installed inside the mounting groove, a sealing plug is plugged at the outer end of the mounting groove, and the inner side of the mounting sleeve presses against the outer end of the sealing plug.

[0011] Furthermore, a connecting tube is fixed in the middle of the outer side of the installation sleeve, and a third connecting hole is opened on the surface of the connecting sleeve.

[0012] Furthermore, the plug-in slot is a long strip slot structure and is horizontally arranged, the mounting sleeve is a circular ring structure, and the first connecting hole is a threaded hole structure.

[0013] Furthermore, the connecting column is a threaded column structure and is threadedly connected to the first connecting hole, and the limiting plate is a hexagonal plate structure.

[0014] Furthermore, the connecting column and the sealing ring sleeved on its inner end surface are tightly inserted into the notch of the plug-in slot, and the second connecting hole is a threaded hole structure and is located around the machine head.

[0015] Furthermore, the positioning groove is aligned with the second connecting hole, and the inner end of the tightening bolt tightens the machine head.

[0016] Furthermore, the sealing plug is made of elastic rubber material and seals the installation groove tightly, and its inner end presses against the temperature sensor tightly.

[0017] The utility model provides an extruder head heating device, which has the following beneficial effects:

[0018] 1. The utility model sets a mounting sleeve on the rear side of the machine head, and inserts the electric heating rod into the plug-in slot inside the machine head through the connecting column and the limiting plate. In this way, during the heating process of the machine head, power is supplied through the wire, the electric heating rod is energized and generates heat, and the machine head is heated. The temperature is detected by the temperature sensor, and the installation and disassembly of the temperature sensor is also relatively convenient. At the same time, the limiting plate can be rotated to disassemble the connecting column, so that the electric heating rod can be disassembled and installed. It is relatively convenient and simple, and it is easy to replace and maintain the electric heating rod.

[0019] 2. The utility model provides plug-in slots in the middle and sides of the machine head, and inserts the electric heating rod into the plug-in slots through the installation sleeve and the connecting column, and energizes the electric wire, so that the machine head is fully and evenly heated by the electric heating rod, which is convenient for the good use of the machine head. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 For this utility model Figure 1 A cross-sectional view of

[0022] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0023] Figure 4 For this utility model Figure 2 Enlarged view of point B.

[0024] In the figure: 1. Installation sleeve; 2. Connecting tube; 3. Third connecting hole; 4. Sealing plug; 5. Installation groove; 6. Limiting plate; 7. Connecting column; 8. Wire; 9. Machine head; 10. Electric heating rod; 11. Plug-in slot; 12. Temperature sensor; 13. Positioning slot; 14. Tightening bolt; 15. First connecting hole; 16. Sealing ring; 17. Second connecting hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Example 1

[0027] See also Figure 1 , Figure 2 , Figure 3 and Figure 4, an extruder head heating device shown in the figure comprises a head 9, a plug-in slot 11 is provided on the rear side of the head 9, a mounting sleeve 1 is installed on the rear side of the head 9, a first connecting hole 15 is provided on the side of the mounting sleeve 1, a connecting column 7 is passed through the interior of the first connecting hole 15, a limiting plate 6 is fixed to the outer end of the connecting column 7, an electric heating rod 10 is fixed to the inner end of the connecting column 7, the electric heating rod 10 is slidably inserted into the plug-in slot 11, a sealing ring 16 is sleeved on the inner end surface of the connecting column 7, the sealing ring 16 is inserted into the notch of the plug-in slot 11, a wire 8 is connected to the surface of the connecting column 7, a second connecting hole 17 is provided on the surface of the mounting sleeve 1, a positioning slot 13 is provided on the surface of the head 9, a tightening bolt 14 is passed through the interior of the second connecting hole 17, and the inner end of the tightening bolt 14 is inserted into the positioning slot 13.

[0028] During the heating process of the machine head 9, power is supplied through the wire 8, the electric heating rod 10 is powered on and generates heat, and the machine head 9 is heated, and the temperature is detected by the temperature sensor 12. Moreover, the installation and disassembly of the temperature sensor 12 is also relatively convenient. At the same time, the limit plate 6 can be rotated, and the connecting column 7 can be disassembled and installed, so that the electric heating rod 10 can be disassembled and installed. It is relatively convenient and simple, and it is easy to replace and maintain the electric heating rod 10.

[0029] The plug-in slot 11 is a long strip slot structure and is horizontally arranged. The installation sleeve 1 is a circular ring structure. The first connecting hole 15 is a threaded hole structure.

[0030] The connecting column 7 is a threaded column structure and is threadedly connected to the first connecting hole 15. The limiting plate 6 is a hexagonal plate structure. The connecting column 7 and the sealing ring 16 sleeved on its inner end surface are tightly inserted into the notch of the plug-in slot 11. The second connecting hole 17 is a threaded hole structure and is located around the machine head 9.

[0031] The positioning groove 13 is aligned with the second connecting hole 17 , and the inner end of the tightening bolt 14 tightens the machine head 9 .

[0032] Example 2

[0033] See also Figure 1 , Figure 2 , Figure 3 and Figure 4, an extruder head heating device shown in the figure comprises a head 9, a plug-in slot 11 is provided on the rear side of the head 9, a mounting sleeve 1 is installed on the rear side of the head 9, a first connecting hole 15 is provided on the side of the mounting sleeve 1, a connecting column 7 is passed through the interior of the first connecting hole 15, a limiting plate 6 is fixed to the outer end of the connecting column 7, an electric heating rod 10 is fixed to the inner end of the connecting column 7, the electric heating rod 10 is slidably inserted into the plug-in slot 11, a sealing ring 16 is sleeved on the inner end surface of the connecting column 7, the sealing ring 16 is inserted into the notch of the plug-in slot 11, a wire 8 is connected to the surface of the connecting column 7, a second connecting hole 17 is provided on the surface of the mounting sleeve 1, a positioning slot 13 is provided on the surface of the head 9, a tightening bolt 14 is passed through the interior of the second connecting hole 17, and the inner end of the tightening bolt 14 is inserted into the positioning slot 13.

[0034] During the heating process of the machine head 9, power is supplied through the wire 8, the electric heating rod 10 is powered on and generates heat, and the machine head 9 is heated, and the temperature is detected by the temperature sensor 12. Moreover, the installation and disassembly of the temperature sensor 12 is also relatively convenient. At the same time, the limit plate 6 can be rotated, and the connecting column 7 can be disassembled and installed, so that the electric heating rod 10 can be disassembled and installed. It is relatively convenient and simple, and it is easy to replace and maintain the electric heating rod 10.

[0035] A mounting groove 5 is formed at the rear side of the machine head 9 , a temperature sensor 12 is installed inside the mounting groove 5 , a sealing plug 4 is plugged at the outer end of the mounting groove 5 , and the inner side of the mounting sleeve 1 presses against the outer end of the sealing plug 4 .

[0036] The electric heating rod 10 is inserted into the plug slot 11 through the installation sleeve 1 and the connecting column 7, and is energized through the wire 8, so that the head 9 is fully and evenly heated by the electric heating rod 10, which is convenient for the good use of the head 9.

[0037] A connecting tube 2 is fixed in the middle of the outer side of the installation sleeve 1 , and a third connecting hole 3 is opened on the surface of the connecting tube 2 ; the sealing plug 4 is made of elastic rubber material and seals the installation groove 5 , and its inner end presses against the temperature sensor 12 .

[0038] Working method: By setting a mounting sleeve 1 on the rear side of the machine head 9, and inserting the electric heating rod 10 into the plug-in slot 11 inside the machine head 9 through the connecting column 7 and the limiting plate 6, in the process of heating the machine head 9, power is supplied through the wire 8, the electric heating rod 10 is energized and heated, and the machine head 9 is heated, and the temperature is detected by the temperature sensor 12. Moreover, the installation and disassembly of the temperature sensor 12 is also relatively convenient. At the same time, the limiting plate 6 can be rotated, the connecting column 7 can be disassembled and installed, so that the electric heating rod 10 can be disassembled and installed, which is relatively convenient and simple, and it is easy to replace and maintain the electric heating rod 10.

[0039] Plug-in slots 11 are provided in the middle and sides of the machine head 9, and the electric heating rod 10 is inserted into the plug-in slots 11 through the mounting sleeve 1 and the connecting column 7, and is energized through the wire 8, so that the machine head 9 is fully and evenly heated by the electric heating rod 10, which facilitates the good use of the machine head 9.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An extruder head heating device, comprising a head (9), characterized in that: The rear side of the machine head (9) is provided with a plug-in slot (11), the rear side of the machine head (9) is installed with a mounting sleeve (1), the side of the mounting sleeve (1) is provided with a first connecting hole (15), the interior of the first connecting hole (15) is penetrated by a connecting column (7), the outer end of the connecting column (7) is fixed with a limiting plate (6), the inner end of the connecting column (7) is fixed with an electric heating rod (10), the electric heating rod (10) is slidably inserted into the plug-in slot (11), the connecting The inner end surface of the column (7) is sleeved with a sealing ring (16), and the sealing ring (16) is inserted into the notch of the plug-in slot (11). The surface of the connecting column (7) is connected to a wire (8). The surface of the mounting sleeve (1) is provided with a second connecting hole (17). The surface of the machine head (9) is provided with a positioning groove (13). A tightening bolt (14) passes through the interior of the second connecting hole (17), and the inner end of the tightening bolt (14) is inserted into the positioning groove (13).

2. The extruder head heating device according to claim 1, characterized in that: The rear side of the machine head (9) is provided with a mounting groove (5), a temperature sensor (12) is installed inside the mounting groove (5), the outer end of the mounting groove (5) is plugged with a sealing plug (4), and the inner side of the mounting sleeve (1) is pressed tightly against the outer end of the sealing plug (4).

3. The extruder head heating device according to claim 1, characterized in that: A connecting tube (2) is fixed in the middle of the outer side of the installation sleeve (1), and a third connecting hole (3) is opened on the surface of the connecting tube (2).

4. The extruder head heating device according to claim 1, characterized in that: The plug-in slot (11) is a long strip slot structure and is arranged horizontally; the mounting sleeve (1) is a circular ring structure; and the first connecting hole (15) is a threaded hole structure.

5. The extruder head heating device according to claim 1, characterized in that: The connecting column (7) is a threaded column structure and is threadedly connected to the first connecting hole (15); the limiting plate (6) is a hexagonal plate structure.

6. The extruder head heating device according to claim 1, characterized in that: The connecting column (7) and the sealing ring (16) sleeved on its inner end surface are tightly inserted into the notch of the plug-in slot (11); the second connecting hole (17) is a threaded hole structure and is located around the machine head (9).

7. The extruder head heating device according to claim 1, characterized in that: The positioning groove (13) and the second connecting hole (17) are aligned, and the inner end of the tightening bolt (14) tightens the machine head (9).

8. The extruder head heating device according to claim 2, characterized in that: The sealing plug (4) is made of elastic rubber material and seals the installation groove (5), with its inner end pressing against the temperature sensor (12).

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