Self-heat-dissipation type injection mold for part production

By introducing support, circulation, and heat dissipation mechanisms into the injection mold, and utilizing components such as heat-carrying rods, extraction pumps, and suction boxes, the mold heat dissipation problem is solved, achieving efficient heat removal and self-heat dissipation of the mold, thereby improving processing efficiency and lifespan.

CN223545680UActive Publication Date: 2025-11-14KUNSHAN BOYUANHUI ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423190140.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-14
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Traditional injection molds cannot effectively dissipate heat during the molding process, resulting in heat accumulation on the mold surface, which affects processing efficiency and mold life.

Method used

The system employs a support mechanism, a circulation mechanism, and a heat dissipation mechanism, including a heat-carrying rod, an extraction pump, a rotating roller, and an extraction air box. Heat is discharged through the heat-carrying rod, and heat is circulated and dissipated using the extraction pump and water outlet sleeve. Combined with the rotation roller and extraction air box, the heat from the gas is discharged, thus achieving self-heating of the mold.

Benefits of technology

It improves heat transfer efficiency, achieves efficient heat dissipation on the mold surface, and enhances processing efficiency and mold lifespan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a part production self-heat-dissipation type injection mold which comprises a supporting mechanism, the supporting mechanism comprises an outer frame supported on the ground, an annular protection frame is installed on the surface of the top of the outer frame, a plurality of heat clamping rods are sequentially arranged on the surface of the annular protection frame, the heat clamping rods are in an arc shape, and the annular protection frame is connected with the supporting mechanism. The outer frame and the annular protective frame are sequentially arranged on the surface of the annular protective frame, the circulating mechanism is installed at the bottom of the annular protective frame, one end of the rotating roller shaft corresponds to one end of the outer frame and one end of the annular protective frame, the direction change of the air outlet end is achieved, and the heat entrainment efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of mechanical technology, specifically to a self-heating injection mold for manufacturing parts. Background Technology

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of injection molding include high production speed and efficiency, automated operation, a wide variety of designs and shapes (from simple to complex), and sizes ranging from large to small. It also produces dimensionally accurate products, facilitates product updates and replacements, and can create complex shapes. Injection molding is suitable for mass production and molding processes involving complex shapes.

[0003] The search revealed an injection mold extended ejection stroke device with application number CN200820128790.1;

[0004] The injection mold extended ejection stroke device includes a hydraulic cylinder, a hydraulic cylinder seat, a moving mold stripper plate, a moving mold top plate, an ejector rod, an ejector plate guide post, and a moving mold core. Its features are: the hydraulic cylinder is a hydraulic telescopic element composed of a cylinder body and a piston; the hydraulic cylinder seat is a cylindrical, open-end, hollow, bottom-filled steel cup-shaped component with a through hole at the bottom center and a flange with a threaded hole at the open end; the moving mold stripper plate is a steel ring-shaped component surrounding the moving mold core, with a partial model of the plastic part on the inner edge of its top surface, and a groove for mounting the hydraulic cylinder seat, a through hole with a countersunk groove, and a through hole for sliding cooperation with the mold guide post on its bottom surface; the moving mold top plate is a steel plate-shaped component assembled with a top plate and an ejector rod fixing plate using screws, and has an ejector rod and a guide through hole on it; the ejector rod is a cylindrical steel rod. This invention overcomes the problems and shortcomings of existing hydraulic cylinder ejection and chain pulling methods, such as unreliable demolding, high labor costs, time-consuming processes, and damage to the mold.

[0005] In the traditional injection mold processing stage, it is not convenient to transfer the heat trapped on the mold surface during the molding process. However, this heat needs to be passively dissipated, and there is no separate equipment to handle this situation, as the mold itself does not have auxiliary heat conduction and dissipation. Utility Model Content

[0006] The purpose of this utility model is to provide a self-heating injection mold for component production, so as to solve the problem mentioned in the background art that in the traditional injection mold processing stage, it is not convenient to transfer the heat trapped on the mold surface during the molding process of the injection mold itself. However, this heat needs to be passively dissipated, and there is no separate equipment to deal with this situation where the mold itself assists in heat conduction and discharge.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a self-heating injection mold for component production, comprising a support mechanism, the support mechanism comprising an outer frame supported by the ground, an annular protective frame installed on the top surface of the outer frame, a plurality of heat-carrying rods arranged sequentially on the surface of the annular protective frame, the plurality of heat-carrying rods being arc-shaped and arranged sequentially on the surface of the annular protective frame, and a circulation mechanism installed at the bottom of the annular protective frame.

[0008] As a preferred embodiment of this utility model: the circulation mechanism includes a first extraction pump installed on the back of the outer frame, and the inlet of the first extraction pump is connected to the bottom side of the rod of several coils of heat-carrying rods through an extension conduit.

[0009] As a preferred embodiment of this utility model: the outlet end of the first extraction pump is connected to an outlet conduit, the end of the outlet conduit is connected to a water storage tank, and the other end of the water storage tank is connected to an outlet sleeve for liquid transfer.

[0010] The top center of the outlet sleeve is connected to a sleeve.

[0011] As a preferred embodiment of this utility model: one end of the water outlet sleeve is connected to the other end of the water outlet conduit, and the bottom center of the outer frame is provided with a support base plate, and one end of the support base plate is provided with a heat dissipation mechanism.

[0012] The heat dissipation mechanism includes two transmission bases installed at the top center of the base plate, and the top of each transmission base is connected to a rotating roller.

[0013] As a preferred embodiment of this utility model: a sleeve is sleeved in the middle of the rotating roller shaft, and the other end of the sleeve is connected to a suction box. A gas suction fan is embedded inside the suction box. One end of the gas suction fan is connected to a displacement scheduling frame. A frame is installed at the end of the scheduling frame, and an exhaust box for displacement is provided at the end of the frame. A heat entrainment plate for scheduling is provided on the surface of the exhaust box.

[0014] As a preferred embodiment of this utility model: a lower mold placement mechanism is provided at the top center of the annular protective frame;

[0015] The lower mold placement mechanism includes a lower mold set inside an annular protective frame. The lower mold has bolt holes at its four corners, and a scheduling cavity for injection molding is installed in the center of the bolt holes.

[0016] As a preferred embodiment of this utility model: the lower mold is provided with an upper mold for closing on its side, and a connecting rod corresponding to the bolt hole is installed at each of the four corners of the upper mold, and a lower shaping box for assembly is installed in the middle of the connecting rod.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1) By adopting an outer frame and annular protective frame, the direction of the air outlet is changed at one end of the corresponding rotating roller shaft, which improves the heat entrainment efficiency. The corresponding rotating roller shaft at one end of the suction box is replaced according to the corresponding frame and the corresponding gas suction screen.

[0019] 2) The first extraction pump and the outlet pipe are connected at one end to the outlet sleeves on both sides and at the other end. The heat entrainment rod is distributed and placed in a distributed manner. The outlet sleeve and the tank body of the water storage tank are connected to achieve heat circulation and heat dissipation. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the front surface structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the heat dissipation mechanism of this utility model;

[0022] Figure 3 This is a schematic diagram of the lower mold placement mechanism of this utility model;

[0023] Figure 4 This is a schematic diagram of the water outlet conduit structure of this utility model.

[0024] In the diagram: 1. Support mechanism; 11. Outer frame; 12. Protective cover; 13. Heat transfer rod;

[0025] 2. Circulation mechanism; 21. First extraction pump; 22. Extension conduit; 23. Outlet conduit; 24. Water storage tank; 25. Outlet sleeve; 26. Fitting base plate;

[0026] 3. Heat dissipation mechanism; 31. Transmission base; 32. Rotating roller; 33. Sleeve; 34. Suction box; 35. Gas suction fan; 36. Scheduling frame; 37. Frame; 38. Exhaust box; 39. Heat entrainment plate;

[0027] 4. Lower mold placement mechanism; 41. Lower mold; 42. Bolt hole; 44. Adjustment cavity; 45. Upper mold; 46. Connecting rod; 47. Lower molding box. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figure 1 - Figure 4 This utility model provides a technical solution: a self-heating injection mold for component production, including a support mechanism 1, the support mechanism 1 including an outer frame 11 supported by the ground, a protective cover 12 installed on the top surface of the outer frame 11, a plurality of heat-carrying rods 13 arranged sequentially on the surface of the protective cover 12, the plurality of heat-carrying rods 13 being arc-shaped and arranged sequentially on the surface of the protective cover 12, and a circulation mechanism 2 installed at the bottom of the protective cover 12.

[0030] In this embodiment: the circulation mechanism 2 includes a first extraction pump 21 installed on the back of the outer frame 11. The inlet of the first extraction pump 21 is connected to the bottom side of the rod of several coils of heat-carrying rods 13 through an extension conduit 22.

[0031] The heat transfer is achieved by using the heat entrainment rod 13 and the first extraction pump 21 as one end of the extension conduit 22.

[0032] In this embodiment: the outlet end of the first pump 21 is connected to an outlet conduit 23, the end of the outlet conduit 23 is connected to a water storage tank 24, and the other end of the water storage tank 24 is connected to an outlet sleeve 25 for liquid transfer.

[0033] The top middle of the outlet sleeve 25 is connected to a sleeve.

[0034] The liquid is circulated and discharged by using the water outlet sleeve 25 and one end of the specific sleeve 33.

[0035] In this embodiment: one end of the water outlet sleeve 25 is connected to the other end of the water outlet conduit 23 in a loop, and the bottom center of the outer frame 11 is provided with a bottom plate 26 for support, and one end of the bottom plate 26 is provided with a heat dissipation mechanism 3.

[0036] The heat dissipation mechanism 3 includes two transmission bases 31 installed at the top center of the base plate 26, and the top of the transmission bases 31 is connected to a rotating roller 32.

[0037] The adjustment is achieved by using a base plate 26 and a rotating roller 32 with an axial rotation at one end.

[0038] In this embodiment: a sleeve 33 is sleeved in the middle of the rotating roller 32, and the other end of the sleeve 33 is connected to a suction box 34. A gas suction fan 35 is embedded inside the suction box 34. One end of the gas suction fan 35 is connected to a scheduling frame 36 for replacement. A frame 37 is installed at the end of the scheduling frame 36. An exhaust box 38 for replacement is provided at the end of the frame 37. A heat entrainment plate 39 for scheduling is provided on the surface of the exhaust box 38.

[0039] The assembly is achieved using the frame 37, the exhaust box 38, and the specific heat entrainment plate 39.

[0040] In this embodiment: a lower mold placement mechanism 4 is provided at the top center of the protective cover 12;

[0041] The lower mold placement mechanism 4 includes a lower mold 41 disposed inside the protective cover 12. The lower mold 41 has bolt holes 42 at its four corners, and a dispensing cavity 44 for injection molding is installed in the middle of the bolt holes 42.

[0042] Assembly is achieved using the structure of the lower mold 41, and assembly is achieved using the bolt holes 42 and the corresponding scheduling cavity 44.

[0043] In this embodiment: the lower mold 41 is provided with an upper mold 45 for closing on its side. The four corners of the upper mold 45 are equipped with connecting rods 46 corresponding to the bolt holes 42. The middle of the connecting rods 46 is equipped with a lower molding box 47 for assembly.

[0044] The connecting rod 46 and the corresponding lower molding box 47 are used to achieve scheduling.

[0045] Step 1: Heat dissipation during component manufacturing;

[0046] First, the personnel use the outer frame 11 for support and heat exchange. At this time, the personnel use the assembly state of the outer frame 11 to raise the corresponding bottom plate 26 up and down. The heat clamping rod 13 set on the surface generates temperature in the air around the mold. At this time, the personnel use the corresponding scheduling cavity 44 to assemble the upper mold 45 together through the hinge to achieve thermoplastic. At this time, the personnel use the upper mold 45 to assemble and dissipate heat according to the corresponding upper mold 45.

[0047] Step 2: Achieve hinge by using one end of the rotating roller 32;

[0048] According to the corresponding transmission base 31, the gas is connected to one end of the corresponding suction box 34. At this time, the user achieves internal and external gas replacement based on one end of the specific frame 37, and uses the suction box 34 to discharge the heat generated on the pipe.

[0049] Step 3: Transfer of water flow for heat entrainment rod 13;

[0050] At this time, the user uses the first extraction pump 21 at both ends to put the liquid in from the other end, and uses the pump body of the first extraction pump 21 to transfer the liquid. Finally, the liquid is introduced into one end of the inlet and outlet water pipe 23 and collected in the tank. It is then drawn out from the other end of the tank and circulated repeatedly to complete the heat dissipation.

[0051] The contents not described in detail in this description are existing technologies known to those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A self-heating injection mold for manufacturing parts, comprising a support mechanism (1), characterized in that, The support mechanism (1) includes an outer frame (11) that is supported by the ground. A protective cover (12) is installed on the top surface of the outer frame (11). A plurality of heat-carrying rods (13) are arranged sequentially on the surface of the protective cover (12). The plurality of heat-carrying rods (13) are arc-shaped and arranged sequentially on the surface of the protective cover (12). A circulation mechanism (2) is installed at the bottom of the protective cover (12).

2. The self-heating injection mold for component production according to claim 1, characterized in that: The circulation mechanism (2) includes a first extraction pump (21) installed on the back of the outer frame (11), and the inlet of the first extraction pump (21) is connected to the bottom side of the rod of several coils of heat-carrying rods (13) through an extension conduit (22).

3. The self-heating injection mold for component production according to claim 2, characterized in that: The outlet end of the first extraction pump (21) is connected to an outlet conduit (23), the end of the outlet conduit (23) is connected to a water storage tank (24), and the other end of the water storage tank (24) is connected to an outlet sleeve (25) for liquid transfer. The top center of the outlet sleeve (25) is connected to a sleeve.

4. The self-heating injection mold for component production according to claim 3, characterized in that: One end of the outlet sleeve (25) is connected to the other end of the outlet conduit (23), and the bottom center of the outer frame (11) is provided with a support base plate (26), and one end of the support base plate (26) is provided with a heat dissipation mechanism (3). The heat dissipation mechanism (3) includes two transmission bases (31) installed at the top center of the bottom plate (26), and the top of the transmission bases (31) is connected to a rotating roller (32).

5. A self-heating injection mold for manufacturing parts according to claim 4, characterized in that: A sleeve (33) is sleeved in the middle of the rotating roller (32), and the other end of the sleeve (33) is connected to a suction box (34). A gas suction fan (35) is embedded inside the suction box (34). One end of the gas suction fan (35) is connected to a displacement scheduling frame (36). A frame (37) is installed at the end of the scheduling frame (36). An exhaust box (38) for displacement is provided at the end of the frame (37). A heat entrainment plate (39) for scheduling is provided on the surface of the exhaust box (38).

6. The self-heating injection mold for component production according to claim 1, characterized in that: The protective cover (12) has a lower mold placement mechanism (4) at the top center; The lower mold placement mechanism (4) includes a lower mold (41) disposed inside the protective cover (12). The lower mold (41) has bolt holes (42) at its four corners, and a scheduling cavity (44) for injection molding is installed in the middle of the bolt holes (42).

7. A self-heating injection mold for manufacturing parts according to claim 6, characterized in that: The lower mold (41) is provided with an upper mold (45) for closing on its side. The upper mold (45) is provided with connecting rods (46) at the four corners corresponding to the bolt holes (42). The connecting rods (46) are provided with a lower molding box (47) for assembly in the middle.

Citation Information

Patent Citations

  • Injection mold prolonged ejecting stroke apparatus

    CN201257740Y