Split type hot runner injection molding system

Abstract

The utility model relates to the technical field of injection molding, in particular to a split type hot runner injection molding system. The split type hot runner injection molding system comprises a hot nozzle, a hot runner plate, a splitter plate and an elastic piece, the splitter plate is arranged in the hot runner plate, the hot nozzle is installed on the hot runner plate in the axial direction of the hot nozzle, the hot nozzle is located below the splitter plate, and a first runner in the hot nozzle directly faces and communicates with a second runner in the splitter plate; the end, close to the hot runner plate, of the hot nozzle is provided with a first butt-joint part and a second butt-joint part which are connected, the first butt-joint part abuts against the splitter plate, the diameter of the first butt-joint part is larger than that of the second butt-joint part, the second butt-joint part is sleeved with the elastic piece, and the elastic piece is compressed and clamped between the hot runner plate and the first butt-joint part. The elastic piece can drive the first butt joint part to move in the direction close to the splitter plate and abut against the splitter plate, plastic is prevented from leaking from a gap between the splitter plate and the first butt joint part, and the sealing effect of the hot nozzle and the splitter plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, in particular to a split hot runner injection molding system. Background Art

[0002] A hot runner injection molding system is assembled in a mold and uses heat to melt plastic pellets into a molten state, which is then injected into the mold cavity to produce the product. Hot runner systems are categorized as split-type hot runner injection molding systems and integral or semi-integral hot runner injection molding systems.

[0003] A split hot runner injection molding system is an injection molding system that is divided into several independent parts. Specifically, the split hot runner injection molding system includes a hot runner plate, a manifold, an upper panel, and a hot nozzle. The manifold is installed in the hot runner plate, and the hot nozzle is fixed to the hot runner plate along its own axis. The hot nozzle abuts the manifold and is used to heat the plastic. The upper panel is installed above the manifold to hold the manifold and the hot nozzle tightly together. The hot runner plate, manifold, upper panel, and hot nozzle can all be operated and maintained separately. This design greatly increases the flexibility of the split hot runner injection molding system, allowing it to be combined and adjusted according to specific production needs, improving its ease of maintenance and replacement. However, the split hot runner injection molding system has poor integrity. Due to processing and injection pressure issues, the gap between the manifold and the hot nozzle often causes problems such as glue leakage, which affects the normal operation of the split hot runner injection molding system.

[0004] Therefore, there is an urgent need to invent a split hot runner injection molding system to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a split hot runner injection molding system to ensure that the hot nozzle is always tightly pressed against the manifold, thereby improving the sealing effect between the hot nozzle and the manifold.

[0006] To achieve this purpose, the present invention adopts the following technical solutions:

[0007] Split hot runner injection molding system, including:

[0008] Hot Mouth;

[0009] Hot runner plate;

[0010] A manifold plate, the manifold plate being disposed in the hot runner plate, the hot nozzle being mounted on the hot runner plate along its own axial direction, the hot nozzle being located below the manifold plate, and the first flow channel in the hot nozzle being in direct communication with the second flow channel in the manifold plate; and

[0011] An elastic member, wherein one end of the hot nozzle close to the hot runner plate has a first docking portion and a second docking portion connected to each other, the first docking portion abuts against the diverter plate, the diameter of the first docking portion is larger than the diameter of the second docking portion, the elastic member is sleeved on the outer periphery of the second docking portion, the elastic member is compressed and clamped between the first docking portion and the hot runner plate, and the elastic member can drive the first docking portion to move toward the direction close to the diverter plate and abut against the diverter plate.

[0012] As an optional solution, the split hot runner injection molding system further includes:

[0013] A positioning retaining ring is sleeved on the outer periphery of the second docking portion, the positioning retaining ring is fixedly abutted against the hot runner plate along the axial direction of the hot nozzle, and the elastic member is compressed and clamped between the positioning retaining ring and the first docking portion.

[0014] As an optional solution, a wire outlet groove is provided on the positioning retaining ring, and the wire outlet groove is used to accommodate the wire harness on the hot nozzle.

[0015] As an optional solution, a mounting hole extending from the inner cavity wall to the outer cavity wall is provided on the hot runner plate, and the mounting hole includes a first mounting portion and a second mounting portion that are connected to each other, the first mounting portion is located at one end of the second mounting portion close to the inner cavity wall, the inner diameter of the first mounting portion is larger than the inner diameter of the second mounting portion, and the positioning retaining ring is located at the first mounting portion, and the positioning retaining ring abuts against the radial end face of the second mounting portion.

[0016] As an optional solution, the split hot runner injection molding system further includes:

[0017] A rotation-stopping and positioning structure, wherein the rotation-stopping and positioning structure can stop and position the hot nozzle relative to the hot runner plate.

[0018] As an optional solution, the anti-rotation positioning structure includes:

[0019] a rotation-stopping washer, sleeved and fixed on the outer periphery of the first docking portion; and

[0020] A positioning piece is passed through the anti-rotation gasket and is plugged and fixed to the hot runner plate.

[0021] As an optional solution, the split hot runner injection molding system further includes:

[0022] An upper pressing plate is located above the diverter plate and is capable of driving the diverter plate to move toward the first docking portion.

[0023] As an optional solution, the split hot runner injection molding system further includes:

[0024] An isolation structure is provided between the upper pressing plate and the diverter plate, and is configured to isolate the upper pressing plate from the diverter plate.

[0025] As an optional solution, the isolation structure includes:

[0026] an isolator, the isolator being sandwiched between the upper pressing plate and the diverter plate; and

[0027] A fixing member, wherein the fixing member can lock and fix the isolation member and the diverter plate.

[0028] As an optional solution, the hot nozzle includes:

[0029] A first hot nozzle section, the first hot nozzle section comprising the first butt joint portion and the second butt joint portion connected thereto; and

[0030] The second hot nozzle section, the first hot nozzle section is provided with a docking hole at one end close to the second docking portion, the second hot nozzle section is provided with a docking protrusion, the docking protrusion is detachably fixed to the docking hole, and the second hot nozzle section is used for heating plastic.

[0031] Beneficial effects of the utility model:

[0032] The split hot runner injection molding system provided by the utility model is a system that arranges a diverter plate in the hot runner plate, installs the hot nozzle on the hot runner plate along its own axial direction, and makes the hot nozzle located below the diverter plate, thereby achieving the effect of the first flow channel in the hot nozzle and the second flow channel on the diverter plate being connected to each other, thereby facilitating the transportation of plastic, and arranging a first docking part and a second docking part connected at one end of the hot nozzle close to the hot runner plate, so that the first docking part abuts against the diverter plate, and ensuring that the diameter of the first docking part is larger than the diameter of the second docking part, and the elastic member is sleeved on the outer periphery of the second docking part so that the elastic member is compressed and clamped between the hot runner plate and the first docking part, and the elastic force of the elastic member itself can be used to drive the first docking part to move toward the direction close to the diverter plate and abut against the diverter plate, thereby preventing plastic from leaking from the gap between the diverter plate and the first docking part, thereby effectively improving the sealing docking effect between the hot nozzle and the diverter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a cross-sectional schematic diagram of a split hot runner injection molding system provided by an embodiment of the present utility model;

[0034] Figure 2 It is a cross-sectional schematic diagram of the hot nozzle provided by an embodiment of the utility model;

[0035] Figure 3 It is a cross-sectional schematic diagram of the hot runner plate provided in an embodiment of the present utility model.

[0036] In the picture:

[0037] 100, hot nozzle; 110, first hot nozzle section; 111, first docking portion; 112, second docking portion; 113, docking hole; 120, second hot nozzle section; 121, docking protrusion; 130, first flow channel;

[0038] 200, hot runner plate; 210, mounting hole; 211, first mounting portion; 212, second mounting portion;

[0039] 300, manifold; 310, second flow channel;

[0040] 400, upper pressing plate;

[0041] 500, isolation structure; 510, isolation member; 520, fixing member;

[0042] 600, anti-rotation positioning structure; 610, anti-rotation gasket; 620, positioning member;

[0043] 700, positioning retaining ring; 710, outlet groove;

[0044] 800. Elastic parts. DETAILED DESCRIPTION

[0045] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the present invention are further explained below with reference to the accompanying drawings and through specific implementation methods.

[0046] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0047] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0048] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are used to refer to positions or locations based on the positions or locations shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0049] A split hot runner injection molding system is an injection molding system that is divided into several independent parts. Specifically, the split hot runner injection molding system includes a hot runner plate, a manifold, an upper panel, and a hot nozzle. The manifold is installed in the hot runner plate, and the hot nozzle is fixed to the hot runner plate along its own axis. The hot nozzle abuts the manifold and is used to heat the plastic. The upper panel is installed above the manifold to hold the manifold and the hot nozzle tightly together. The hot runner plate, manifold, upper panel, and hot nozzle can all be operated and maintained separately. This design greatly increases the flexibility of the split hot runner injection molding system, allowing it to be combined and adjusted according to specific production needs, improving its ease of maintenance and replacement. However, the split hot runner injection molding system has poor integrity. Due to processing and injection pressure issues, the gap between the manifold and the hot nozzle often causes problems such as glue leakage, which affects the normal operation of the split hot runner injection molding system.

[0050] In order to solve the above problems, Figure 1 As shown, this embodiment provides a split hot runner injection molding system. The split hot runner injection molding system includes a hot nozzle 100, a hot runner plate 200, a diverter plate 300 and an elastic member 800, wherein the diverter plate 300 is arranged in the hot runner plate 200, the hot nozzle 100 is installed on the hot runner plate 200 along its own axial direction, the hot nozzle 100 is located below the diverter plate 300, and the first flow channel 130 in the hot nozzle 100 is directly connected to the second flow channel 310 in the diverter plate 300, and the end of the hot nozzle 100 close to the hot runner plate 200 has a connection. The first docking portion 111 and the second docking portion 112 are connected, the first docking portion 111 abuts against the diverter plate 300, the diameter of the first docking portion 111 is larger than the diameter of the second docking portion 112, the elastic member 800 is sleeved on the outer periphery of the second docking portion 112, the elastic member 800 is compressed and clamped between the first docking portion 111 and the hot runner plate 200, and the elastic member 800 can drive the first docking portion 111 to move toward the direction close to the diverter plate 300 and abut against the diverter plate 300.

[0051] The split hot runner injection molding system is configured such that the manifold plate 300 is disposed in the hot runner plate 200, the hot nozzle 100 is mounted on the hot runner plate 200 along its own axial direction, and the hot nozzle 100 is located below the manifold plate 300, thereby achieving an effect of conducting between the first flow channel 130 in the hot nozzle 100 and the second flow channel 310 on the manifold plate 300, thereby facilitating the transportation of plastic. A first docking portion 111 and a second docking portion 112 are connected to each other at one end of the hot nozzle 100 close to the hot runner plate 200, so that the first docking portion 111 abuts against the manifold plate 300. And ensure that the diameter of the first docking part 111 is larger than the diameter of the second docking part 112, and the elastic member 800 is sleeved on the outer periphery of the second docking part 112, so that the elastic member 800 is compressed and clamped between the hot runner plate 200 and the first docking part 111. The elastic force of the elastic member 800 itself can be used to drive the first docking part 111 to move toward the direction close to the diverter plate 300 and press against the diverter plate 300, thereby preventing plastic from leaking from the gap between the diverter plate 300 and the first docking part 111, and effectively improving the sealing docking effect between the hot nozzle 100 and the diverter plate 300.

[0052] In this embodiment, the elastic member 800 is a disc spring. Disc springs are not only highly rigid and have strong buffering and vibration absorbing capabilities, but can also withstand large loads with minimal deformation, making them suitable for applications requiring minimal axial space. Furthermore, they are easy to assemble.

[0053] like Figure 2 As shown, the hot nozzle 100 includes a first hot nozzle section 110 and a second hot nozzle section 120, wherein the first hot nozzle section 110 includes a first docking portion 111 and a second docking portion 112 connected to each other, and a docking hole 113 is provided at one end of the first hot nozzle section 110 close to the second docking portion 112, and the second hot nozzle section 120 is provided with a docking protrusion 121, and the docking protrusion 121 and the docking hole 113 are detachably fixed, and the second hot nozzle section 120 is used to heat plastic. By splitting the hot nozzle 100 into a first hot nozzle section 110 and a second hot nozzle section 120 that are detachably fixed together, the first hot nozzle section 110 includes a first docking portion 111 and a second docking portion 112 that are connected together, the first hot nozzle section 110 is docked with the diverter plate 300, and the second hot nozzle section 120 is used to heat plastic. By setting a docking hole 113 at one end of the first hot nozzle section 110 close to the second docking portion 112, and setting a docking protrusion 121 at the second hot nozzle section 120, the docking protrusion 121 and the docking hole 113 are detachably fixed, the hot nozzle 100 can be split into two independent parts, thereby further improving its convenience in maintenance and replacement.

[0054] It should be noted that the docking hole 113 is screwed together with the docking protrusion 121. The screw thread fixing method has a good fixing effect, is easy to assemble and disassemble, and can be assembled and disassembled repeatedly.

[0055] As an alternative, Figure 1 As shown, the split hot runner injection molding system further includes a positioning retaining ring 700, wherein the positioning retaining ring 700 is sleeved on the outer periphery of the second docking portion 112. The positioning retaining ring 700 is abutted and fixed to the hot runner plate 200 along the axial direction of the hot nozzle 100, and the elastic member 800 is compressed and clamped between the positioning retaining ring 700 and the first docking portion 111. By sleeved on the outer periphery of the second docking portion 112, the positioning retaining ring 700 is abutted and fixed to the hot runner plate 200 along the axial direction of the hot nozzle 100, thereby achieving the effect of the hot nozzle 100 being installed on the hot runner plate 200 along its own axial direction. By compressing and clamping the elastic member 800 between the positioning retaining ring 700 and the first docking portion 111, direct contact between the elastic member 800 and the hot runner plate 200 is avoided, thereby improving the protection of the elastic member 800 and the hot runner plate 200. It should be noted that in this embodiment, the positioning retaining ring 700 is made of H13 material. H13 is a hot working die steel with excellent thermal strength and thermal stability, capable of maintaining high hardness and wear resistance at high temperatures. In other embodiments, the retaining ring 700 may also be made of other high-temperature resistant and high-hardness materials, which is not specifically limited in this embodiment.

[0056] like Figure 1 and Figure 3 As shown, the hot runner plate 200 is provided with a mounting hole 210 extending from the inner cavity wall to the outer cavity wall. The mounting hole 210 includes a first mounting portion 211 and a second mounting portion 212 that are connected to each other. The first mounting portion 211 is located at one end of the second mounting portion 212 close to the inner cavity wall. The inner diameter of the first mounting portion 211 is larger than the inner diameter of the second mounting portion 212. The positioning retaining ring 700 abuts against the radial end face of the second mounting portion 212. By opening a mounting hole 210 extending from the inner cavity wall to the outer wall on the hot runner plate 200, the mounting hole 210 is split into a first mounting portion 211 and a second mounting portion 212 which are connected to each other, so that the first mounting portion 211 is located at one end of the second mounting portion 212 close to the inner cavity wall, and the inner diameter of the first mounting portion 211 is ensured to be greater than the inner diameter of the second mounting portion 212, so that the positioning retaining ring 700 located at the first mounting portion 211 abuts against the radial end face of the second mounting portion 212, thereby achieving the effect of the positioning retaining ring 700 mounting the hot nozzle 100 on the hot runner plate 200 along the axial direction of the hot nozzle 100.

[0057] In addition, in order to facilitate the connection of the wiring harness at the second nozzle section 120 with external equipment, such as Figure 1 As shown, a wire outlet groove 710 is provided on the positioning retaining ring 700 , and the wire outlet groove 710 is used to accommodate the wire harness on the second hot nozzle section 120 .

[0058] In an optional solution, the split-type hot runner injection molding system further includes a rotation-stopping and positioning structure 600, wherein the rotation-stopping and positioning structure 600 can prevent the hot nozzle 100 from rotating relative to the hot runner plate 200. By using the rotation-stopping and positioning structure 600 to prevent the hot nozzle 100 from rotating relative to the hot runner plate 200, the hot nozzle 100 can be prevented from rotating about its own axis, further improving the sealing effect between the first docking portion 111 and the diverter plate 300.

[0059] Specifically, the anti-rotation positioning structure 600 includes an anti-rotation washer 610 and a positioning member 620. The anti-rotation washer 610 is sleeved and fixed on the outer periphery of the first docking portion 111, and the positioning member 620 is passed through the anti-rotation washer 610 and plugged and fixed to the hot runner plate 200. By sleeved and fixed to the outer periphery of the first docking portion 111, and using the positioning member 620 to pass through the anti-rotation washer 610 and then plugged and fixed to the hot runner plate 200, the anti-rotation positioning of the anti-rotation washer 610 and the hot runner plate 200 is achieved, thereby achieving the anti-rotation positioning of the first docking portion 111 fixed to the anti-rotation washer 610 relative to the hot runner plate 200. This has a simple structure and an ingenious design.

[0060] As an optional solution, the split-type hot runner injection molding system further includes an upper pressing plate 400, wherein the upper pressing plate 400 is located above the manifold plate 300 and can drive the manifold plate 300 to move toward the first docking portion 111. By arranging the upper pressing plate 400 above the manifold plate 300, the upper pressing plate 400 drives the manifold plate 300 toward the first docking portion 111 under the action of its own gravity, which can further improve the sealing effect between the manifold plate 300 and the first docking portion 111.

[0061] To prevent heat from the diverter plate 300 from being transferred to the upper pressure plate 400 , the split hot runner injection molding system further includes an isolation structure 500 , wherein the isolation structure 500 is disposed between the upper pressure plate 400 and the diverter plate 300 , and the isolation structure 500 is configured to isolate the upper pressure plate 400 from the diverter plate 300 .

[0062] Specifically, the isolation structure 500 includes an isolation member 510 and a fixing member 520, wherein the isolation member 510 is clamped between the upper pressure plate 400 and the diverter plate 300, and the fixing member 520 can lock and fix the isolation member 510 to the diverter plate 300. By arranging the isolation member 510 between the upper pressure plate 400 and the diverter plate 300, and using the fixing member 520 to lock and fix the isolation member 510 to the diverter plate 300, the isolation member 510 is prevented from moving relative to the diverter plate 300, thereby ensuring the normal operation of the isolation structure 500. It should be noted that, in this embodiment, the fixing member 520 is a bolt, and the bolt screws the isolation member 510 and the diverter plate 300 together. The screw-threaded fixing method not only has a good fixing effect, but also is easy to disassemble and assemble, which is convenient for subsequent inspection and maintenance. In other embodiments, the isolation member 510 and the diverter plate 300 can also be locked and fixed together by bonding or clamping, which is not specifically limited in this embodiment.

[0063] In order to further understand the split hot runner injection molding system provided in this embodiment, Figures 1 to 3 Explain the assembly process of the split hot runner injection molding system:

[0064] 1) Sleeve and fix the anti-rotation washer 610 on the outer periphery of the first docking portion 111;

[0065] 2) The elastic member 800 and the positioning retaining ring 700 are sequentially mounted and fixed on the second docking portion 112;

[0066] 3) Screw the first nozzle section 110 and the second nozzle section 120 together;

[0067] 4) Install and fix the assembled first hot nozzle section 110 and the second hot nozzle section 120 to the hot runner plate 200;

[0068] 5) Use the positioning member 620 to pass through the anti-rotation gasket 610 and then position and fix it on the hot runner plate 200;

[0069] 6) The manifold 300 is arranged above the first docking portion 111 so that the first flow channel 130 on the first docking portion 111 and the second flow channel 310 on the manifold 300 are directly opposite and in communication;

[0070] 7) Use the fixing member 520 to install and fix the isolation member 510 on the diverter plate 300;

[0071] 8) Place the upper pressing plate 400 above the spacer 510 .

[0072] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. Those skilled in the art will appreciate that other variations or modifications can be made based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. Split hot runner injection molding system, characterized by: include: Hot nozzle (100); Hot runner plate (200); A manifold (300), the manifold (300) being arranged in the hot runner plate (200), the hot nozzle (100) being mounted on the hot runner plate (200) along its own axial direction, the hot nozzle (100) being located below the manifold (300), and the first flow channel (130) in the hot nozzle (100) being directly connected to the second flow channel (310) in the manifold (300); as well as An elastic member (800), wherein one end of the hot nozzle (100) close to the hot runner plate (200) has a first docking portion (111) and a second docking portion (112) connected to each other, wherein the first docking portion (111) abuts against the diverter plate (300), and the diameter of the first docking portion (111) is larger than the diameter of the second docking portion (112), and the elastic member (800) is sleeved on the outer periphery of the second docking portion (112), and the elastic member (800) is compressed and clamped between the first docking portion (111) and the hot runner plate (200), and the elastic member (800) can drive the first docking portion (111) to move toward the diverter plate (300) and abut against the diverter plate (300).

2. The split hot runner injection molding system according to claim 1, characterized in that: The split hot runner injection molding system further includes: A positioning retaining ring (700) is sleeved on the outer periphery of the second docking portion (112), the positioning retaining ring (700) is fixedly abutted against the hot runner plate (200) along the axial direction of the hot nozzle (100), and the elastic member (800) is compressed and clamped between the positioning retaining ring (700) and the first docking portion (111).

3. The split hot runner injection molding system according to claim 2, characterized in that: A wire outlet groove (710) is provided on the positioning retaining ring (700), and the wire outlet groove (710) is used to accommodate a wire harness on the hot nozzle (100).

4. The split hot runner injection molding system according to claim 2, characterized in that: The hot runner plate (200) is provided with a mounting hole (210) extending from the inner cavity wall to the outer cavity wall, and the mounting hole (210) includes a first mounting portion (211) and a second mounting portion (212) that are connected to each other, the first mounting portion (211) is located at one end of the second mounting portion (212) close to the inner cavity wall, the inner diameter of the first mounting portion (211) is larger than the inner diameter of the second mounting portion (212), and the positioning retaining ring (700) is located at the first mounting portion (211), and the positioning retaining ring (700) abuts against the radial end face of the second mounting portion (212).

5. The split hot runner injection molding system according to claim 4, characterized in that: The split hot runner injection molding system further includes: A rotation-stopping positioning structure (600) is provided, wherein the rotation-stopping positioning structure (600) is capable of positioning the hot nozzle (100) relative to the hot runner plate (200).

6. The split hot runner injection molding system according to claim 5, characterized in that: The anti-rotation positioning structure (600) comprises: a rotation-stopping washer (610) sleeved and fixed on the outer periphery of the first docking portion (111); and A positioning member (620) is provided, wherein the positioning member (620) passes through the anti-rotation gasket (610) and is plugged and fixed to the hot runner plate (200).

7. The split hot runner injection molding system according to claim 1, characterized in that: The split hot runner injection molding system further includes: An upper pressing plate (400), the upper pressing plate (400) is located above the diverter plate (300), and the upper pressing plate (400) can drive the diverter plate (300) to move toward a direction close to the first docking portion (111).

8. The split hot runner injection molding system according to claim 7, characterized in that: The split hot runner injection molding system further includes: An isolation structure (500) is provided between the upper pressing plate (400) and the diverter plate (300), and the isolation structure (500) is configured to isolate the upper pressing plate (400) from the diverter plate (300).

9. The split hot runner injection molding system according to claim 8, characterized in that: The isolation structure (500) comprises: an isolating member (510), the isolating member (510) being sandwiched between the upper pressing plate (400) and the diverter plate (300); and A fixing member (520), wherein the fixing member (520) is capable of locking and fixing the isolation member (510) and the diverter plate (300).

10. The split hot runner injection molding system according to claim 1, characterized in that: The hot nozzle (100) comprises: a first hot nozzle section (110), the first hot nozzle section (110) comprising the first docking portion (111) and the second docking portion (112) connected to each other; and A second hot nozzle section (120), wherein a docking hole (113) is provided at one end of the first hot nozzle section (110) close to the second docking portion (112), and the second hot nozzle section (120) is provided with a docking protrusion (121), wherein the docking protrusion (121) and the docking hole (113) are detachably fixed, and the second hot nozzle section (120) is used for heating plastic.

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