Automobile trunk cover plate stamping die with good heat dissipation effect

Abstract

The utility model relates to the technical field of stamping dies, in particular to an automobile trunk cover plate stamping die with a good heat dissipation effect. The stamping die comprises a base, a lower die body is arranged in the base, guide rods are arranged at the four corners of the top of the base, a top plate is arranged at the tops of the guide rods at the same time, a stamping assembly is arranged on the top plate and comprises a plurality of telescopic cylinders arranged on the top plate, and telescopic rods of the telescopic cylinders penetrate through the top plate. And a connecting plate is arranged at the top of each telescopic rod. Through combination of multiple heat dissipation modes, a large amount of heat generated in the working process of the stamping die for the automobile trunk lid is effectively treated, heat generated by the lower die body due to stamping operation can be taken away in time, the temperature of the lower die body is maintained within a reasonable range, and the problems of die deformation, precision reduction and the like caused by overheating are avoided; therefore, the normal performance of the die is guaranteed, and the service life of the die is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping die technical field especially relates to a heat dissipation effectual automobile spare trunk cover plate stamping die. BACKGROUND

[0002] In the field of automobile manufacturing, the automobile spare trunk cover is an important part of the automobile body, and the quality and efficiency of the stamping forming process of the automobile spare trunk cover have a key influence on the whole automobile production process. With the continuous development of the automobile industry, higher and higher requirements are put forward for the production precision, production efficiency of automobile parts and the service life of the die.

[0003] During the working process of the stamping die, a large amount of heat will be generated due to the plastic deformation of the metal plate. The traditional heat dissipation mode of the stamping die is often single and has limited effect, for example, only relying on natural heat dissipation or simple air cooling heat dissipation, which is difficult to meet the heat dissipation demand of modern high-speed and high-precision stamping operation. In a high temperature environment, the die is prone to thermal deformation and accelerated wear, which not only leads to the decrease of the precision of the stamped part, the size deviation and the surface quality defect, but also greatly shortens the service life of the die and increases the production cost. SUMMARY

[0004] The utility model aims at providing a heat dissipation effectual automobile spare trunk cover plate stamping die to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme, it includes the base, be provided with lower die concrete in the base, the top four corners of base all are provided with guide rod, the top of several guide rods is provided with the top plate simultaneously, be provided with stamping assembly on the top plate, the stamping assembly includes several telescopic cylinders that are arranged on the top plate, the telescopic rod of several telescopic cylinders all passes through the top plate, and the top of each telescopic rod is provided with the connecting plate, several connecting plates are connected with the pressing plate through several bolts respectively, the four corners of pressing plate all are provided with the sliding sleeve, several guide rods are arranged in several sliding sleeves respectively, the bottom of pressing plate is provided with upper die concrete.

[0006] As the preferred scheme of the utility model, the heat absorption treatment chamber is arranged in the pressing plate, the HFO-1336MZZ (Z) fluorination liquid is filled in the heat absorption treatment chamber, the upper end surface of the upper die concrete is arranged in the heat absorption treatment chamber, the reinforcing ribs are arranged in the heat absorption treatment chamber, the top of the pressing plate is provided with several cooling condensing cylinders, the cooling condensing cylinders are communicated with the heat absorption treatment chamber, and the top of the pressing plate is also provided with several cooling fans which are arranged on the outer side of the cooling condensing cylinders.

[0007] As the preferred scheme of the utility model, the top plate is provided with a plurality of circular through slots corresponding to the cooling condensing cylinders, and the top plate is also provided with a plurality of rectangular through slots corresponding to the cooling fans.

[0008] As the preferred scheme of the utility model, the lower die is provided with a heat dissipation channel, and the heat dissipation channel is provided with a water inlet pipe and a water outlet pipe at two ports respectively.

[0009] As the preferred scheme of the utility model, the base is provided with an air inlet pipe at one side.

[0010] As the preferred scheme of the utility model, the bottom of the pressing plate is provided with a clamping edge corresponding to the port of the base, and the clamping edge is provided with a sealing sleeve.

[0011] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0012] 1. The utility model combines multiple heat dissipation modes to effectively deal with the large amount of heat generated by the automobile trunk lid stamping die during the working process. The lower die is provided with a heat dissipation channel, and the heat dissipation channel is connected with the water inlet pipe and the water outlet pipe to communicate with the external cooling water circulation supply equipment. The cooling water is circulated in the heat dissipation channel to timely remove the heat generated by the stamping operation and maintain the temperature of the lower die within a reasonable range, thereby avoiding problems such as deformation and precision reduction of the die caused by overheating, ensuring the normal performance of the die, and prolonging the service life of the die.

[0013] 2. The utility model is filled with HFO-1336MZZ(Z) fluorinated liquid with a low boiling point in the heat absorption treatment chamber formed in the pressing plate, and the upper end surface of the upper die is placed in the heat absorption treatment chamber. During stamping, the high temperature causes the fluorinated liquid to evaporate rapidly, and the evaporation process absorbs a large amount of heat to rapidly cool the upper die. Subsequently, the steam rises into the cooling condensing cylinder and is condensed to fall back into the heat absorption treatment chamber under the action of the cooling fan. This cycle is repeated to continuously and effectively reduce the temperature of the upper die. This phase change heat dissipation method based on the fluorinated liquid has the characteristics of high heat absorption and rapid heat dissipation, can well cope with the high heat generated during stamping, and further ensures the stability of the overall temperature of the die.

[0014] 3. The air inlet pipe of the base communicates with the inside of the base. During stamping, cold air can enter the inside of the base through the air inlet pipe, and the inflow of cold air further improves the heat dissipation effect of the die, especially the lower die and the surrounding area. This cooperates with other heat dissipation methods to make the overall heat dissipation of the die more comprehensive and efficient, which helps to maintain the die at an appropriate temperature to work, thereby improving the efficiency of the stamping operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the whole bottom perspective structure schematic diagram of the utility model;

[0017] Figure 3 It is the base structure schematic diagram of the utility model;

[0018] Figure 4 It is the lower mould detailed structure schematic diagram of the utility model;

[0019] Figure 5 It is the lower mould detailed section display drawing of the utility model;

[0020] Figure 6 It is the stamping assembly structure schematic diagram of the utility model;

[0021] Figure 7 It is the stamping assembly bottom perspective structure schematic diagram of the utility model;

[0022] Figure 8 It is Figure 6 The structure schematic diagram after removing several cooling condensing cylinders.

[0023] The drawing mark: base 1, lower mould detailed 10, heat dissipation through slot 11, water inlet pipe 12, water outlet pipe 13, guide rod 14, top plate 15, rectangular through slot 16, circular through slot 17, air inlet pipe 18, stamping assembly 2, telescopic cylinder 20, pressing plate 21, sliding sleeve 22, upper mould detailed 23, reinforcing rib 24, cooling condensing cylinder 25, cooling fan 26, connecting plate 27, bolt 28, clamping edge 29, sealing sleeve 210, heat absorption treatment chamber 211. DETAILED DESCRIPTION

[0024] To make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below by combining with specific implementation manners and referring to drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0025] As Figures 1-8As shown, the utility model provides a kind of automobile trunk cover plate stamping die of good heat dissipation effect, it mainly includes base 1 and top plate 15 and other key components, base 1 is as the basic support structure of whole mould, inside is provided with lower mould concrete 10, its top four corners are fixed with guide rod 14, top plate 15 is then connected with base 1 in vertical direction by these several guide rods 14 and establishes stable connection, ensure the perpendicularity and stability of mould in stamping process;

[0026] Stamping assembly 2 is arranged on top plate 15, the component is powered by several telescopic cylinders 20, the telescopic rod of these telescopic cylinders 20 is vertically through top plate 15, and reliable connection is realized by connecting plate 27 and pressure plate 21 at top, specific connection mode is that connecting plate 27 and pressure plate 21 are fixed tightly by using several bolts 28, so that the telescopic action of telescopic cylinder 20 can drive pressure plate 21, and the four corners of pressure plate 21 are provided with sliding sleeve 22 corresponding to the position of guide rod 14, several guide rods 14 are respectively smoothly arranged in several sliding sleeves 22, this design not only guarantees the stability of pressure plate 21 in up-down movement, but also accurately guides its movement track, and the bottom of pressure plate 21 is firmly provided with upper mould concrete 23, which forms the working interval of stamping forming with lower mould concrete 10 in base 1;

[0027] Pressure plate 21 is ingeniously provided with heat absorption treatment chamber 211 inside, this chamber is as the containing space of HFO-1336MZZ (Z) fluorination liquid, and plays a key role in mould heat dissipation, and the upper end surface of upper mould concrete 23 is completely placed in heat absorption treatment chamber 211, so that it can be fully contacted with fluorination liquid during stamping process, realizes the rapid absorption of heat, and in order to enhance the structural strength and stability of heat absorption treatment chamber 211, reinforcing rib 24 is reasonably arranged in the chamber;

[0028] Pressure plate 21 is provided with several cooling condensing cylinders 25 at top, these cooling condensing cylinders 25 are communicated with heat absorption treatment chamber 211, form a complete heat dissipation channel, when high temperature produced by stamping makes fluorination liquid evaporate to form steam, steam can smoothly rise into cooling condensing cylinder 25, and simultaneously, pressure plate 21 is also uniformly distributed with several cooling fans 26 at top, these cooling fans 26 are arranged outside several cooling condensing cylinders 25, and its main role is to accelerate the condensation process of steam after entering cooling condensing cylinder 25 by air cooling;

[0029] In order to facilitate the installation and layout of cooling condensing cylinder 25 and cooling fan 26, circular through slot 17 corresponding to several cooling condensing cylinders 25 and rectangular through slot 16 corresponding to several cooling fans 26 are specially provided on top plate 15, so that each component can be reasonably distributed in space;

[0030] The lower mold body 10 is provided with a heat dissipation channel 11, which is a key structure for heat dissipation of the lower mold body 10. Two ports of the heat dissipation channel 11 are respectively connected with an inlet pipe 12 and an outlet pipe 13. The other side ports of the inlet pipe 12 and the outlet pipe 13 are accurately penetrated through the base 1 to the outside of the base 1, so as to be connected with an external cooling water circulating supply device. Through the reciprocating circulation of the cooling water in the heat dissipation channel 11, the heat generated in the stamping process of the lower mold body 10 can be effectively taken out, so as to realize the continuous heat dissipation and cooling of the lower mold body 10.

[0031] An air inlet pipe 18 is arranged on one side of the base 1. The air inlet pipe 18 is communicated with the inside of the base 1. During the stamping operation, cold air can continuously and stably enter the inside of the base 1 through the air inlet pipe 18, so as to further improve the heat dissipation effect of the mold, especially for the lower mold body 10 and the surrounding area. The air inlet pipe 18 works with other heat dissipation structures to ensure that the mold operates in a suitable temperature range, improves the precision and efficiency of the stamping operation, and prolongs the service life of the mold.

[0032] The bottom of the pressing plate 21 is provided with a clamping edge 29 corresponding to the port of the base 1, and a sealing sleeve 210 is arranged on the clamping edge 29. The sealing sleeve 210 can effectively prevent the cold air from flowing out of the base 1.

[0033] Before use, first, the inlet pipe 12 and the outlet pipe 13 are properly connected to the cooling water circulating supply device to ensure firm connection and no leakage. Then, several cooling fans are started to check whether they are in normal operation. At the same time, the air inlet pipe 18 is tightly connected to the cold air supply device to ensure smooth and unobstructed cold air supply channel.

[0034] During the stamping operation, the operator only needs to place the plate in the specified position of the lower mold body 10, and then immediately start the several telescopic cylinders 20 to stably press down the pressing plate 21, so as to make the upper mold body 23 and the lower mold body 10 work together to stamp and form the plate. In this process, the cold air continuously flows into the inside of the base 1 from the air inlet pipe 18, so as to enhance the heat dissipation efficiency and effectively reduce the overall temperature of the mold.

[0035] During the whole working process, the cooling water continuously circulates in the heat dissipation channel 11, closely contacts the lower mold body 10, and heat is taken away by the circulating water flow, so that efficient heat dissipation and cooling are realized, at the same time, the high temperature generated by the stamping work will make the HFO-1336MZZ(Z) fluorination liquid evaporate rapidly, form high-temperature steam and rise into several cooling condensing cylinders 25, under the effect of the strong wind cooling effect generated by the cooperation of the cooling fans, the temperature inside the cooling condensing cylinder 25 continuously decreases, so that the steam is quickly condensed and liquefied when it is cold, and then falls back to the heat absorption treatment chamber 211, so as to continuously and uninterruptedly cool the upper mold body 23, so as to significantly improve the heat dissipation effect of the mold, ensure the stability and continuity of the stamping work, prolong the service life of the mold and improve the product processing quality.

[0036] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A stamping die for a trunk cover of an automobile with good heat dissipation effect, comprising a base (1), a lower die body (10) disposed in the base (1), guide rods (14) disposed at the four corners of the top of the base (1), and a top plate (15) disposed at the top of several guide rods (14), characterized in that: A stamping assembly (2) is provided on the top plate (15), and the stamping assembly (2) includes several telescopic cylinders (20) provided on the top plate (15), the telescopic rods of the several telescopic cylinders (20) all pass through the top plate (15), and a connecting plate (27) is provided on the top of each telescopic rod, and the several connecting plates (27) are respectively connected to the pressing plate (21) through several bolts (28), and sliding sleeves (22) are provided on the four corners of the pressing plate (21), and several guide rods (14) are respectively provided in the several sliding sleeves (22), and an upper mold body (23) is provided at the bottom of the pressing plate (21).

2. The stamping die for a trunk cover with good heat dissipation effect according to claim 1, characterized in that: A heat absorption treatment chamber (211) is provided in the pressing plate (21), and the heat absorption treatment chamber (211) is filled with HFO-1336MZZ(Z) fluorinated liquid. The upper end surface of the upper mold body (23) is placed in the heat absorption treatment chamber (211), and the heat absorption treatment chamber (211) is provided with a reinforcing rib (24). A plurality of cooling condensation cylinders (25) are provided on the top of the pressing plate (21), and the plurality of cooling condensation cylinders (25) are communicated with the heat absorption treatment chamber (211). A plurality of cooling fans (26) are also provided on the top of the pressing plate (21), and the plurality of cooling fans (26) are arranged on the outside of the plurality of cooling condensation cylinders (25).

3. The stamping die for a trunk cover with good heat dissipation effect according to claim 2, characterized in that: The top plate (15) is provided with circular through-grooves (17) corresponding to a plurality of cooling condensing cylinders (25), and the top plate (15) is also provided with rectangular through-grooves (16) corresponding to a plurality of cooling fans (26).

4. The stamping die for a trunk cover with good heat dissipation effect according to claim 3, characterized in that: A heat dissipation groove (11) is provided in the lower mold body (10), and a water inlet pipe (12) and a water outlet pipe (13) are respectively provided on two ends of the heat dissipation groove (11), and the other ends of the water inlet pipe (12) and the water outlet pipe (13) both pass through the base (1) and are located outside the base (1).

5. The stamping die for a trunk cover with good heat dissipation effect according to claim 4, characterized in that: An air inlet pipe (18) is provided on one side of the base (1), and the air inlet pipe (18) is communicated with the interior of the base (1).

6. The stamping die for a trunk cover with good heat dissipation effect according to claim 5, characterized in that: The bottom of the pressure plate (21) is provided with a clamping edge (29) corresponding to the port of the base (1), and the clamping edge (29) is provided with a sealing sleeve (210).

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