Preheating type machining die for special-shaped sound insulation part

Abstract

The utility model provides a special-shaped sound insulation piece preheating type machining die which comprises a main body, a lower die box is installed in the main body through bolts, and a lower die is installed on the top of the lower die box through bolts. A hydraulic cylinder is mounted at the top of the main body through a bolt; the output end of the hydraulic cylinder is connected with an upper mold box through a bolt; the upper mold box is in sliding connection with the inner side wall of the main body; an upper mold is mounted at the bottom of the upper mold box through bolts; the device is characterized in that steam heating devices are arranged in the upper mold box and the lower mold box; an auxiliary heating device for assisting the steam heating device in preheating the sound insulation part is further arranged in the main body; in order to solve the problem of press fit quality caused by insufficient preheating of a traditional automobile sound insulation part die, through the double preheating design of the steam heating device and the auxiliary heating device, the preheating effect is remarkably improved, the problems of material deformation, scorching and the like caused by local overheating or insufficient temperature are avoided, and the finished product quality of sound insulation parts is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile sound insulation parts, especially to a special-shaped sound insulation part preheating type processing mould. BACKGROUND

[0002] With the rapid development of automobile industry and the continuous improvement of consumer's requirement for automobile comfort, as the important part of improving the in-vehicle silence performance and the riding comfort, the quality and performance requirement of automobile sound insulation part is also increasingly strict, the automobile sound insulation part is usually composed of multiple materials, among them, the aluminum foil is widely applied in the manufacture of automobile sound insulation part because of its good heat conductivity, light weight, high strength and excellent sound insulation effect.

[0003] In the production process of automobile sound insulation part, the mould as the key equipment plays a vital role, the traditional automobile sound insulation part mould usually adopts the simple pressure structure, through the mechanical pressure to press together the multilayer material, forms the sound insulation part with certain thickness and shape, however, because the heat conductivity of aluminum foil and other materials is good, the heat accumulation is easy to produce in the pressing process, causes the material deformation, scorching and other problems, influences the quality and performance of sound insulation part.

[0004] However, the sound insulation part of the prior art often has the pressing quality problem caused by insufficient preheating in the production process: the traditional mould lacks sufficient preheating of the sound insulation part before pressing, causes the uneven temperature distribution of material in the pressing process, is easy to produce deformation, scorching and other problems, influences the sound insulation effect and durability of sound insulation part. SUMMARY

[0005] In order to solve the problem that the traditional mould lacks sufficient preheating of the sound insulation part before pressing in the prior art, the utility model provides a special-shaped sound insulation part preheating type processing mould,

[0006] The special-shaped sound insulation part preheating type processing mould provided by the utility model adopts the following technical scheme:

[0007] A special-shaped sound insulation part preheating type processing mould, including the main part, the inside of the main part is installed with the lower mould box through bolt, the top of the lower mould box is installed with the lower mould through bolt, the top of the main part is installed with the hydraulic cylinder through bolt, the output end of the hydraulic cylinder is connected with the upper mould box through bolt, the inside wall of the main part is slidably connected with the upper mould box, the bottom of the upper mould box is installed with the upper mould through bolt, characterized in that:

[0008] The inside of the upper mould box and the lower mould box is provided with the steam heating device, the inside of the main part is also provided with the auxiliary steam heating device, the auxiliary heating device preheats the sound insulation part,

[0009] Further, the steam heating device comprises a heating plate; the inside of the upper mold box and the lower mold box is provided with the heating plate through bolt installation; the side wall away from the upper mold and the lower mold of the heating plate is embeddedly provided with a heating pipe; the heating pipe is externally connected with a steam generating device; the heating plate and the upper mold and the lower mold are provided with a plurality of heat conduction modules through bolt installation;

[0010] Further, the heating pipe is distributed in a snake shape at the bottom of the heating plate;

[0011] Further, the heat conduction module comprises a heat conduction pipe and a fin; the heat conduction pipe is provided between the heating plate and the upper mold and the lower mold through bolt installation; the inside of the heat conduction pipe is integrally formed with the fin;

[0012] Further, the fin is arranged in a divergent shape along the center of the heat conduction pipe;

[0013] Further, the auxiliary heating device comprises a heat source and a preheating pipe; the outer side wall of the main body is provided with the heat source through bolt installation; the inside of the main body is provided with the preheating pipe; the preheating pipe is connected with the output end of the heat source in communication;

[0014] Further, the preheating pipe is arranged in a ring shape, and the ring-shaped layout size is greater than the outer contour size of the upper mold box and the lower mold box; the preheating pipe is arranged between the upper mold and the lower mold; a plurality of air outlets are formed in the inner side wall of the preheating pipe;

[0015] Further, the positioning structure is arranged between the upper mold box and the lower mold box, so that the accuracy of mold closing is improved.

[0016] In summary, the beneficial effects of the present application are:

[0017] The present application aims at the problem of insufficient preheating of the traditional automobile sound insulation part mold, and through the double preheating design of the steam heating device and the auxiliary heating device, the preheating effect is improved, the heating plate and the heating pipe arranged in the steam heating device, combined with the preheating pipe of the auxiliary heating device, can preheat the sound insulation part in all directions and uniformly before pressing; this preheating method ensures that the temperature distribution of the material is uniform during pressing, avoids the problems of material deformation and burning caused by local overheating or insufficient temperature, and significantly improves the finished product quality of the sound insulation part. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the present application;

[0019] Figure 2 It is an installation position schematic view of the steam heating device of the present application;

[0020] Figure 3 It is a structure schematic view of the heating plate of the present application;

[0021] Figure 4 It is the whole structure schematic view of the heat conduction module.

[0022] As shown in the figure: 1 - main body, 2 - lower die box, 21 - lower die, 3 - upper die box, 31 - upper die, 4 - hydraulic cylinder, 5 - controller, 6 - positioning structure, 7 - heating plate, 71 - heating pipe, 72 - heat pipe, 721 - fin, 8 - heat source, 81 - preheating pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the attached Figures 1-4 The utility model is further explained in detail:

[0024] The utility model discloses a special-shaped sound insulation piece preheating type processing mould, as Figure 1 As shown, the inside of main body 1 is provided with lower die box 2 through bolt installation, and the top of lower die box 2 is provided with lower die 21 through bolt installation;The top of main body 1 is provided with hydraulic cylinder 4 through bolt installation;The output end of hydraulic cylinder 4 is connected with upper die box 3 through bolt;Upper die box 3 and the inner side wall of main body 1 are slidably connected;The bottom of upper die box 3 is provided with upper die 31 through bolt installation;Its characterized in that: the inside of upper die box 3 and lower die box 2 is provided with steam heating device;The inside of main body 1 is also provided with auxiliary steam heating device and is provided with auxiliary heating device for preheating sound insulation piece;In this embodiment, main body 1 is used as support structure, and lower die box 2 and upper die box 3 are fixed through bolt connection mode, to ensure the stability of mould;Hydraulic cylinder 4 is used as power source, drives upper die box 3 and upper die 31 to move up and down, realizes the opening and closing action of mould;Upper die box 3 and the inner side wall of main body 1 are slidably connected, guarantee the stability and directivity of upper die box 3 in the moving process, preheat mould through the steam heating device in the inside of upper die box 3 and lower die box 2, preheat sound insulation piece simultaneously, in addition, the increase of auxiliary heating device further is the uniform transmission of heat to sound insulation piece, and preheating effect is better.

[0025] As Figure 2 , 3As shown in Figure 4, the steam heating device includes a heating plate 7; heating plates 7 are bolted to the interior of both the upper mold box 3 and the lower mold box 2; heating tubes 71 are embedded in the side wall of the heating plate 7 away from the upper mold 31 and the lower mold 21; the heating tubes 71 are connected to an external heating device; several heat-conducting modules are bolted between the heating plate 7 and the upper mold 31 and the lower mold 21; the heating tubes 71 are distributed in a serpentine pattern at the bottom; the heat-conducting modules include heat-conducting tubes 72 and fins 721; the heat-conducting tubes 72 are bolted between the heating plate 7 and the upper mold 31 and the lower mold 21; the heat-conducting tubes 72 have fins 72 integrally formed inside. 1. The fins 721 are arranged in a radiating pattern along the center of the heat-conducting pipe 72. In this embodiment, the heating plate 7 is bolted to the inside of the upper mold box 3 and the lower mold box 2. The bottom of the heating pipe 71 is serpentine, increasing the heating area and heating efficiency. The heating pipe 71 is connected to a steam generator, which generates heat by circulating steam inside the heating pipe 71. Several heat-conducting modules are bolted between the heating plate 7 and the upper mold 31 and the lower mold 21. The heat-conducting modules consist of heat-conducting pipes 72 and fins 721. The fins 721 are arranged in a radiating pattern along the center of the heat-conducting pipe 72, enhancing the heat transfer and dispersion effect. The design of the heat-conducting modules enhances the heat transfer efficiency, allowing heat to be transferred to the sound insulation component more quickly, thus improving the preheating effect. The radiating pattern of the fins 721 further enhances the heat dispersion effect, preventing the heat-conducting pipe 72 from being a solid structure, improving the heat conduction efficiency, and making the mold preheat faster.

[0026] like Figure 1 As shown, the auxiliary heating device includes a heat source 8 and a preheating pipe 81; the heat source 8 is bolted to the outer wall of the main body 1; the preheating pipe 81 is installed inside the main body 1; the preheating pipe 81 is connected to the output end of the heat source 8; the preheating pipe 81 is arranged in a ring shape, and the size of the ring layout is larger than the outer contour size of the upper mold box 3 and the lower mold box 2; the preheating pipe 81 is located between the upper mold 31 and the lower mold 21; several air outlets are opened on the inner side wall of the preheating pipe 81; in this embodiment, the heat source 8 is installed on the outer wall of the main body 1, the preheating pipe 81 is located inside the main body 1 and is connected to the output end of the heat source 8; the preheating pipe 81 is arranged in a ring shape, and the size of the ring layout is larger than the outer contour size of the upper mold box 3 and the lower mold box 2; the preheating pipe 81 is located between the upper mold 31 and the lower mold 21; several air outlets are opened on the inner side wall of the preheating pipe 81, and the heat generated by the heat source 8 is transferred to the sound insulation component through the preheating pipe 81 and the air outlets, further improving the preheating effect;

[0027] It is worth noting that the heat supply source 8 can select a hot air blower or other devices that generate flowing heat medium; the annularly arranged preheating pipe 81 increases the preheating area of the heat medium to the sound insulation piece, so that the heat can be more uniformly transmitted to the sound insulation piece; the design of the air outlet hole enables the heat to directly act on the sound insulation piece in the form of airflow, improving the preheating efficiency and preheating uniformity; the auxiliary heating device is combined with the steam heating device, multiple preheating of the sound insulation piece is realized, and the optimal preheating state of the sound insulation piece before pressing is ensured.

[0028] As shown in Figure 1 The positioning structure 6 is arranged between the upper die box 3 and the lower die box 2, the accuracy of the die closing is improved, in the embodiment, the positioning structure 6 improves the accuracy of the die closing, ensures the position and size accuracy of the sound insulation piece in the pressing process, avoids the sound insulation piece quality problems and production waste caused by inaccurate die closing, improves the reliability and stability of the die, and prolongs the service life of the die.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. The various components mentioned in the utility model are common techniques in the prior art, which should be understood by those skilled in the art. The utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A preheating processing mold for irregularly shaped sound insulation components, comprising a main body (1), wherein a lower mold box (2) is bolted to the interior of the main body (1), and a lower mold (21) is bolted to the top of the lower mold box (2); a hydraulic cylinder (4) is bolted to the top of the main body (1); an upper mold box (3) is bolted to the output end of the hydraulic cylinder (4); the upper mold box (3) is slidably connected to the inner wall of the main body (1); and an upper mold (31) is bolted to the bottom of the upper mold box (3); characterized in that: Both the upper mold box (3) and the lower mold box (2) are equipped with steam heating devices; the main body (1) is also equipped with an auxiliary steam heating device to preheat the sound insulation components.

2. A preheating processing mold for irregularly shaped sound insulation components according to claim 1, characterized in that... The steam heating device includes a heating plate (7); the heating plate (7) is installed inside the upper mold box (3) and the lower mold box (2) by bolts; heating pipes (71) are embedded in the side wall of the heating plate (7) away from the upper mold (31) and the lower mold (21); the heating pipes (71) are connected to a steam generator; several heat conduction modules are installed between the heating plate (7) and the upper mold (31) and the lower mold (21) by bolts.

3. A preheating processing mold for irregularly shaped sound insulation components according to claim 2, characterized in that... The heating tubes (71) are arranged in a serpentine pattern at the bottom of the heating plate (7).

4. A preheating processing mold for irregularly shaped sound insulation components according to claim 2, characterized in that... The heat-conducting module includes a heat-conducting pipe (72) and fins (721); the heat-conducting pipe (72) is bolted between the heating plate (7) and the upper mold (31) and the lower mold (21); the heat-conducting pipe (72) has fins (721) integrally formed inside.

5. A preheating processing mold for irregularly shaped sound insulation components according to claim 4, characterized in that... The fins (721) are arranged in a radiating pattern along the center of the heat pipe (72).

6. A preheating processing mold for irregularly shaped sound insulation components according to claim 1, characterized in that... The auxiliary heating device includes a heat source (8) and a preheating pipe (81); the heat source (8) is installed on the outer wall of the main body (1) by bolts; the preheating pipe (81) is provided inside the main body (1); the preheating pipe (81) is connected to the output end of the heat source (8).

7. A preheating processing mold for irregularly shaped sound insulation components according to claim 6, characterized in that... The preheating pipe (81) is arranged in a ring shape, and the size of the ring layout is larger than the outer contour size of the upper mold box (3) and the lower mold box (2); the preheating pipe (81) is set between the upper mold (31) and the lower mold (21); the inner side wall of the preheating pipe (81) is provided with several air outlet holes.

8. A preheating processing mold for irregularly shaped sound insulation components according to claim 1, characterized in that... A positioning structure (6) is provided between the upper mold box (3) and the lower mold box (2) to improve the accuracy of mold closing.

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