Heat conduction hot runner plate

Abstract

The utility model provides a heat conduction hot runner plate which comprises a base plate and a cover plate, the upper surface of the base plate is movably connected with a hot flow cavity plate through a groove, the surface of the hot flow cavity plate is respectively provided with a flowing groove and a shunting groove, the two ends of the flowing groove are symmetrically communicated with the shunting groove, and the side faces of the shunting groove are symmetrically provided with drainage grooves. The outer side face of the cover plate is fixedly connected with a fixing plate through a long bolt, a positioning groove is correspondingly formed in the position, relative to the long bolt, of an inner cavity of the cover plate, a positioning block is fixedly connected into the positioning groove through a long bolt, a heat conduction plate is fixedly connected to an opening of the inner cavity of the cover plate through the positioning block, and the top of the inner cavity of the cover plate is fixedly connected with a heating assembly. Through cooperation of the substrate, the cover plate, the heat conducting plate, the fixing plate and the hot flow cavity plate, the hot flow channel plate can be conveniently disassembled and assembled, the hot flow cavity channel structure in the hot flow cavity plate can be rapidly and correspondingly replaced, and the practicability of the hot flow channel plate in use is enhanced.

Description

Technical Field

[0001] This utility model relates to the field of hot runner mold technology, specifically to a heat conduction hot runner plate. Background Technology

[0002] Hot runner technology represents a new stage in the development of injection molding technology, offering significant advantages in reducing costs, improving product quality, shortening molding cycles, and increasing automation. A hot runner system typically consists of a hot runner plate, hot nozzles, and temperature control accessories. The hot runner plate is the core component, its main function being to distribute the melt rationally to each nozzle. However, traditional hot runner plates are divided into integral and split types. Integral hot runner plates are difficult to disassemble, leaving residual material that is hard to clean, thus affecting subsequent injection molding results. While split hot runner plates can open the hot runner channels and reduce cleaning difficulty, they cannot be used until the channels are cleaned, reducing subsequent production efficiency. Furthermore, when the structure of the hot runner channels needs to be changed or damaged, the entire hot runner plate must be replaced, increasing replacement costs. Utility Model Content

[0003] To overcome the shortcomings of the existing technology, a heat conduction heat flow plate is provided to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, a heat transfer runner plate is provided, comprising: a base plate and a cover plate. The upper surface of the base plate is movably connected to a heat transfer chamber plate via a groove. The surface of the heat transfer chamber plate is provided with a flow groove and a flow distribution groove, with the two ends of the flow groove symmetrically connected to the flow distribution groove. The sides of the flow distribution groove are symmetrically provided with guide grooves, and the bottom of the guide groove is provided with a through hole. At the same time, a nozzle groove is provided on the lower surface of the base plate corresponding to the position of the through hole. The outer side of the cover plate is fixedly connected to a fixing plate by long bolts. The inner cavity of the cover plate is provided with a positioning groove corresponding to the position of the long bolts. A positioning block is fixedly connected to the positioning groove by long bolts. The heat transfer plate is fixedly connected to the opening of the inner cavity of the cover plate by the positioning block. The top of the inner cavity of the cover plate is fixedly connected to a heating component. At the same time, a filling pipe is fixedly connected to the middle of the cover plate, the heating component, and the heat transfer plate. The lower end of the fixing plate is fixedly connected to the outer side of the base plate by short bolts.

[0005] Preferably, the substrate has a rectangular structure, the cross-section formed by the substrate and the groove is U-shaped, and the multiple sets of nozzle grooves opened on the lower surface of the substrate are all cylindrical, and the size of the nozzle groove is larger than the size of the through hole opened in the drainage groove.

[0006] Preferably, the hot flow chamber plate has a rectangular structure, the size of the grooves opened on the hot flow chamber plate and the substrate are matched, and the flow groove opened in the middle of the upper surface of the hot flow chamber plate has a rectangular structure, while the bottom of the flow groove has an arc-shaped protrusion.

[0007] Preferably, two sets of flow channels are symmetrically opened at both ends of the upper surface of the heat flow chamber plate. Both sets of flow channels are cylindrical structures, and three sets of diversion channels are opened at equal intervals on the arc surface of the flow channels. The three diversion channels are distributed in a T-shape, and the size of the opening of the diversion channel is smaller than the size of the opening of the flow channel.

[0008] Preferably, two sets of main guide blocks are symmetrically connected on the side of the diversion channel away from the flow channel. The thickness of the two sets of main guide blocks is equal to the depth of the diversion channel, and the sides of the two sets of main guide blocks are arc-shaped. At the same time, two sets of auxiliary guide blocks are symmetrically connected on the side of the diversion channel close to the flow channel. The end faces of the two sets of auxiliary guide blocks are right-angled triangular structures, and the edges of the auxiliary guide blocks are arc-shaped structures.

[0009] Preferably, the cover plate has a U-shaped cross-section, the injection pipe fixedly connected in the middle of the cover plate has a cylindrical structure, and the lower surface of the cover plate and the lower surface of the heat-conducting plate are in the same horizontal plane, while the dimensions of the opening of the heat-conducting plate and the inner cavity of the cover plate are matched.

[0010] Preferably, the fixing plate has a V-shaped structure, the two ends of the fixing plate are fixedly connected to the cover plate by long bolts, and the lower end of the fixing plate is fixedly connected to the base plate by short bolts. The positioning block fixed by the long bolts in the positioning groove has a square structure.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: through the cooperation of the base plate, fixing plate, cover plate and hot runner plate, the hot runner plate can be easily installed and removed, thereby reducing the difficulty of cleaning the inside of the hot runner plate and improving the cleaning efficiency. Moreover, the setting of the hot runner plate allows the hot runner plate to be replaced with a new one when the hot runner channel is damaged or needs cleaning, thereby effectively shortening the time required for the maintenance of the hot runner plate, improving the corresponding work efficiency, reducing the cleaning difficulty of the old hot runner plate, and also reducing the cost of replacing the hot runner channel. Attached Figure Description

[0012] Figure 1 This is a front view schematic diagram of an embodiment of the present utility model.

[0013] Figure 2 This is a side view of an embodiment of the present utility model.

[0014] Figure 3 This is a top view of the substrate according to an embodiment of the present invention.

[0015] Figure 4 This is a bottom view of the cover plate according to an embodiment of the present utility model.

[0016] In the diagram: 1. Base plate; 2. Hot flow chamber plate; 3. Fixing plate; 4. Heat-conducting plate; 5. Positioning block; 6. Heating assembly; 7. Cover plate; 8. Nozzle groove; 9. Diverting groove; 10. Flow groove; 11. Injection pipe; 12. Draining groove; 13. Long bolt; 14. Short bolt; 15. Main guide block; 16. Secondary guide block. Detailed Implementation

[0017] Reference Figures 1 to 4 As shown, this utility model provides a heat conduction heat runner plate, including: a base plate 1 and a cover plate 7. The upper surface of the base plate 1 is movably connected to a heat flow chamber plate 2 through a groove. The surface of the heat flow chamber plate 2 is respectively opened with a flow groove 10 and a flow divider groove 9. The two ends of the flow groove 10 are symmetrically connected to the flow divider groove 9. The sides of the flow divider groove 9 are symmetrically opened with a guide groove 12. The bottom of the guide groove 12 is opened with a through hole. At the same time, the lower surface of the base plate 1 is opened with a nozzle groove corresponding to the position of the through hole. The outer side of the cover plate 7 is fixedly connected to a fixing plate 3 by a long bolt 13. The inner cavity of the cover plate 7 is opened with a positioning groove corresponding to the position of the long bolt 13. The positioning block 5 is fixedly connected to the positioning groove by the long bolt 13. The heat conduction plate 4 is fixedly connected to the opening of the inner cavity of the cover plate 7 by the positioning block 5. The top of the inner cavity of the cover plate 7 is fixedly connected to a heating component 6. At the same time, the middle of the cover plate 7, the heating component 6 and the heat conduction plate 4 are all fixedly connected to a filling pipe 11. The lower end of the fixing plate 3 is fixedly connected to the outer side of the base plate 1 by a short bolt 14.

[0018] In this embodiment, the molten material flows into the flow channel 10 through the injection pipe 11, and flows into the corresponding guide channel 12 through the diversion channel 9. At the same time, the molten material flows into the nozzle (not shown in the figure) fixedly connected in the nozzle channel 8 through the through hole at the bottom of the guide channel 12. During the flow of the molten material, the switch of the heating component 6 is turned on. The heat generated by the heating component 6 can be transferred to the hot runner plate 2 through the heat conduction plate 4 to achieve the heating and heat preservation effect of the molten material. Moreover, the temperature sensor built into the heating component 6 can help the heating component 6 maintain the temperature within a suitable range. When the hot runner of the hot runner plate 2 needs to be cleaned or replaced, the short bolt 14 is removed to release the restriction between the fixing plate 3 and the base plate 1, so that the base plate 1 and the cover plate 7 can be separated. Then the old hot runner plate 2 can be taken out and the new hot runner plate 2 can be inserted. The cleaning or replacement of the hot runner can be completed quickly, shortening the time required for the maintenance of the hot runner plate, and also reducing the cost of replacing the hot runner.

[0019] In a preferred embodiment, the substrate 1 has a rectangular structure, and the cross-section formed by the substrate 1 and the groove is U-shaped. The multiple sets of nozzle grooves 8 opened on the lower surface of the substrate 1 are all cylindrical, and the size of the nozzle grooves 8 is larger than the size of the through hole opened in the drainage groove 12.

[0020] In this embodiment, as Figure 1 The size of the nozzle groove 8 is larger than the size of the through hole, thereby ensuring that the inner cavity of the nozzle can be smoothly connected to the through hole, ensuring that the molten material can be smoothly injected into the nozzle through the through hole, reducing the probability of accidental leakage of the molten material. At the same time, both the substrate 1 and the cover plate 7 are made of heat-insulating material, which can help reduce the rate of heat loss of the molten material.

[0021] In a preferred embodiment, the heat flow chamber plate 2 has a rectangular structure, the size of the groove opened in the heat flow chamber plate 2 and the substrate 1 is adapted to each other, and the flow groove 10 opened in the middle of the upper surface of the heat flow chamber plate 2 has a rectangular structure, while the bottom of the flow groove 10 has an arc-shaped protrusion.

[0022] In this embodiment, as Figure 1 and Figure 3 The dimensions of the hot flow chamber plate 2 and the groove of the substrate 1 are matched, which can help enhance the stability of the hot flow chamber plate 2 after installation. Furthermore, the upper surfaces of the hot flow chamber plate 2 and the substrate 1 are in the same plane, which can enhance the bonding effect between the hot flow chamber plate 2 and the heat-conducting plate 4. At the same time, the raised structure at the bottom of the flow channel 10 can help reduce the probability of molten raw materials remaining in the flow channel 10.

[0023] In a preferred embodiment, two sets of flow channels 9 are symmetrically opened at both ends of the upper surface of the hot flow cavity plate 2. Both sets of flow channels 9 are cylindrical structures, and three sets of flow guide channels 12 are opened at equal intervals on the arc surface of the flow channels 9. The three flow guide channels 12 are distributed in a T-shape, and the size of the opening of the flow guide channel 12 is smaller than the size of the opening of the flow channel 10.

[0024] In this embodiment, as Figure 1 and Figure 3 The distribution of the flow divider 9 and the flow guide 12 ensures that the flow path of the molten material from the flow channel 10 to the nozzle is approximately equal, thereby helping to enhance the molten flow effect of the hot runner plate and the injection effect of the nozzle.

[0025] In a preferred embodiment, two sets of main guide blocks 15 are symmetrically connected on the side of the diversion channel 9 away from the flow channel 10. The thickness of the two sets of main guide blocks 15 is equal to the depth of the diversion channel 9, and the sides of the two sets of main guide blocks 15 are arc-shaped. At the same time, two sets of auxiliary guide blocks 16 are symmetrically connected on the side of the diversion channel 9 close to the flow channel 10. The end faces of the two sets of auxiliary guide blocks 16 are right-angled triangular structures, and the edges of the auxiliary guide blocks 16 are arc-shaped structures.

[0026] In this embodiment, as Figure 1 and Figure 3The main guide block 15 and the secondary guide block 16 can help reduce the probability of molten material stagnation in the diversion tank 9, and can also help limit the flow path of the molten material, ensuring that the molten material in the same diversion tank 9 can flow into the corresponding three sets of diversion tanks 12 simultaneously, thus ensuring the flow effect of the molten material.

[0027] In a preferred embodiment, the cover plate 7 has a U-shaped cross-section, the injection pipe 11 fixedly connected in the middle of the cover plate 7 has a cylindrical structure, and the lower surface of the cover plate 7 and the lower surface of the heat-conducting plate 4 are in the same horizontal plane, while the dimensions of the heat-conducting plate 4 and the opening of the inner cavity of the cover plate 7 are matched.

[0028] In this embodiment, as Figure 1 and Figure 4 Both the cover plate 7 and the injection tube 11 are made of heat-insulating material, which helps to reduce the efficiency of heat loss inside the hot runner plate. At the same time, the setting of the heat-conducting plate 4 can enhance the uniformity of heating of the hot runner plate 2 by the heating component 6 and enhance the heat conduction effect inside the hot runner plate.

[0029] In a preferred embodiment, the fixing plate 3 has a V-shaped structure. The two ends of the fixing plate 3 are fixedly connected to the cover plate 7 by long bolts 13, while the lower end of the fixing plate 3 is fixedly connected to the base plate 1 by short bolts 14. The positioning block 5, which is fixed by the long bolts 13 in the positioning groove, has a square structure.

[0030] In this embodiment, as Figure 1 and Figure 2 The setting of the fixing plate 3 allows for easy loading and unloading between the cover plate 7 and the base plate 1, and also helps to enhance the sealing of the connection between the cover plate 7 and the base plate 1 and the heat-conducting plate 4 and the hot runner plate 2, and helps to enhance the flow effect of the molten material inside the hot runner plate.

[0031] The heat conduction heat runner plate of this utility model, through the cooperation of the base plate 1, cover plate 7, heat conduction plate 4, fixing plate 3 and heat runner plate 2, enables convenient disassembly and assembly of the internal structure of the heat runner plate, thereby enabling quick replacement of the heat runner structure inside the heat runner plate 2, shortening the time required for maintenance and replacement of the heat runner plate, enhancing the practicality of the heat runner plate in use, and the heating component 6 is a common brand and model on the market.

Claims

1. A heat conduction heat runner plate, comprising: The substrate (1) and cover plate (7) are characterized in that: the upper surface of the substrate (1) is movably connected to the heat flow chamber plate (2) through a groove, and the surface of the heat flow chamber plate (2) is respectively provided with a flow groove (10) and a flow divider groove (9), and the two ends of the flow groove (10) are symmetrically connected to the flow divider groove (9), and the sides of the flow divider groove (9) are symmetrically provided with a guide groove (12), and the bottom of the guide groove (12) is provided with a through hole. At the same time, the lower surface of the substrate (1) is provided with a nozzle groove (8) corresponding to the position of the through hole. The outer side of the cover plate (7) is fixedly connected by a long bolt (13). The fixing plate (3) is connected, and the inner cavity of the cover plate (7) is provided with a positioning groove corresponding to the position of the long bolt (13). The positioning block (5) is fixedly connected to the positioning groove by the long bolt (13), and the heat-conducting plate (4) is fixedly connected to the opening of the inner cavity of the cover plate (7) by the positioning block (5). The heating component (6) is fixedly connected to the top of the inner cavity of the cover plate (7). At the same time, the middle of the cover plate (7), the heating component (6) and the heat-conducting plate (4) are all fixedly connected to the injection pipe (11), and the lower end of the fixing plate (3) is fixedly connected to the outer side of the substrate (1) by the short bolt (14).

2. The heat conduction heat flow plate according to claim 1, characterized in that, The substrate (1) has a rectangular structure. The cross-section formed by the substrate (1) and the groove is U-shaped. The multiple sets of nozzle grooves (8) opened on the lower surface of the substrate (1) are all cylindrical. The size of the nozzle groove (8) is larger than the size of the through hole opened in the drainage groove (12).

3. A heat conduction heat flow plate according to claim 1, characterized in that, The heat flow chamber plate (2) has a rectangular structure. The size of the groove opened on the heat flow chamber plate (2) and the substrate (1) is matched. The flow groove (10) opened in the middle of the upper surface of the heat flow chamber plate (2) has a rectangular structure, and the bottom of the flow groove (10) has an arc-shaped protrusion.

4. A heat conduction heat flow plate according to claim 1, characterized in that, Two sets of flow channels (9) are symmetrically opened at both ends of the upper surface of the heat flow cavity plate (2). Both sets of flow channels (9) are cylindrical structures, and three sets of flow guide channels (12) are opened at equal intervals on the arc surface of the flow channel (9). The three flow guide channels (12) are distributed in a T-shape. At the same time, the size of the opening of the flow guide channel (12) is smaller than the size of the opening of the flow channel (10).

5. A heat conduction heat flow plate according to claim 1, characterized in that, Two sets of main guide blocks (15) are symmetrically connected on the side of the diversion channel (9) away from the flow channel (10). The thickness of the two sets of main guide blocks (15) is equal to the depth of the diversion channel (9), and the sides of the two sets of main guide blocks (15) are arc-shaped. At the same time, two sets of auxiliary guide blocks (16) are symmetrically connected on the side of the diversion channel (9) close to the flow channel (10). The end faces of the two sets of auxiliary guide blocks (16) are right-angled triangular structures, and the edges of the auxiliary guide blocks (16) are arc-shaped structures.

6. A heat conduction heat flow plate according to claim 1, characterized in that, The cover plate (7) has a U-shaped cross section. The injection pipe (11) fixedly connected in the middle of the cover plate (7) has a cylindrical structure. The lower surface of the cover plate (7) and the lower surface of the heat-conducting plate (4) are in the same horizontal plane. The dimensions of the opening of the heat-conducting plate (4) and the inner cavity of the cover plate (7) are matched.

7. A heat conduction heat flow plate according to claim 1, characterized in that, The fixing plate (3) has a V-shaped structure. The two ends of the fixing plate (3) are fixedly connected to the cover plate (7) by long bolts (13), and the lower end of the fixing plate (3) is fixedly connected to the base plate (1) by short bolts (14). The positioning block (5) fixed by the long bolts (13) in the positioning groove has a square structure.

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