Composite stamping die

Abstract

The utility model relates to the technical field of stamping dies, and discloses a composite stamping die which comprises a die body, the die body further comprises a cooling module, and the cooling module further comprises an upper cooling pipe arranged on the upper portion of the interior of a bottom die body and a lower cooling pipe arranged on the lower portion of the interior of the bottom die body. The upper cooling pipe is used for quickly cooling the upper area of the die and reducing the temperature of a stamping surface; one side of the first cooling pipe is connected with one side of the upper cooling pipe in a communicating mode, the tail end of the first cooling pipe is connected with the other side of the upper cooling pipe in a communicating mode, and the first cooling pipe is used for conveying cooling liquid in the upper cooling pipe and improving the surface temperature control capacity of the mold; and the lower cooling pipe is arranged on the lower portion in the bottom die body, the cooling module is arranged, so that a stamping area can be rapidly cooled, the surface temperature of the die is kept stable, and errors, caused by temperature fluctuation, of stamping precision are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping die technical field more specifically relates to a kind of composite stamping die. BACKGROUND

[0002] The existing stamping die is gradually accumulated due to the high temperature generated in stamping moment in long time high-strength working process, which leads to the temperature rise of the die, reduces the deformation precision of the material, and even affects the service life of the die. The traditional die cooling method mainly uses single external heat dissipation cooling, and the cooling effect is limited. It is difficult to effectively reduce the temperature of the die in a short time, especially in high-precision stamping process. The uneven distribution of heat can easily cause the die to expand and deform, resulting in the tolerance of the workpiece exceeding the requirements, and affecting the product quality. UTILITY MODEL CONTENTS

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a composite stamping die to solve the problems existing in the above background art.

[0004] The utility model provides the following technical scheme: a kind of composite stamping die, including die main body, the die main body includes bottom plate, the top end of the bottom plate is fixedly installed with bottom die main body, the die main body also includes cooling module, the cooling module is arranged in the inside of bottom die main body, the cooling module also includes:

[0005] Upper cooling pipe, the upper cooling pipe is opened in the inside upper portion of bottom die main body, which is used for rapidly cooling the upper region of the die, and reducing the temperature of the stamping surface;

[0006] No. 1 cooling pipe, one side of the no. 1 cooling pipe is connected with one side of the upper cooling pipe, and the other side of the no. 1 cooling pipe is connected with the other side of the upper cooling pipe. The no. 1 cooling pipe is used for transporting the cooling liquid in the upper cooling pipe, and improving the temperature control ability of the die surface;

[0007] Lower cooling pipe, the lower cooling pipe is opened in the inside lower portion of bottom die main body, which is used for delayed cooling of the lower region of the die, and balancing the internal temperature distribution of the die;

[0008] No. 2 cooling pipe, one side of the no. 2 cooling pipe is connected with one side of the lower cooling pipe, and the other side of the no. 2 cooling pipe is connected with the other side of the lower cooling pipe. It is used for transporting cooling liquid into the lower cooling pipe, prolonging the flow path of the cooling liquid, and improving the heat exchange efficiency;

[0009] Water pump, water pump is arranged on the no. 1 cooling pipe and the no. 2 cooling pipe, which is used for driving the circulation of the cooling liquid in the upper cooling pipe and the lower cooling pipe, and maintaining the stable operation of the cooling system;

[0010] By setting the cooling module, the stamping area can be quickly cooled, the mold surface temperature is kept stable, and the error caused by temperature fluctuation of stamping precision is reduced.

[0011] Further, the top end of the bottom plate is fixedly provided with a heat exchange box, one section of the first cooling pipe and the second cooling pipe are arranged in the heat exchange box, a water inlet pipe is formed in the top end of the heat exchange box, and the heat exchange box is filled with low-temperature water.

[0012] Further, the heat exchange box is fixedly provided with a plurality of contact fins, the contact fins are in contact with the first cooling pipe and the second cooling pipe, the contact fins are used for enhancing the heat exchange effect of the cooling liquid in the first cooling pipe and the second cooling pipe and the low-temperature water, and the heat transfer efficiency is improved.

[0013] Further, the upper cooling pipe is in the shape of a Z-shaped snake, the Z-shaped snake-shaped channel of the upper cooling pipe can cover a larger cooling area, the mold surface temperature is more uniform, and the local overheating phenomenon is reduced.

[0014] Further, the lower cooling pipe is in the shape of a spiral spring, the spiral structure of the lower cooling pipe prolongs the flow path of the cooling liquid, the cooling liquid stays in the mold for a longer time, and the cooling effect is improved.

[0015] Further, the top end of the bottom plate is fixedly provided with a plurality of structure reinforcing ribs, the structure reinforcing ribs increase the strength of the mold structure and improve the structural stability of the mold in a high-temperature stamping environment.

[0016] The technical effects and advantages of the utility model are as follows:

[0017] 1. The utility model discloses a cooling module, which can quickly cool the stamping area, keep the mold surface temperature stable, and reduce the error caused by temperature fluctuation of stamping precision.

[0018] 2. The utility model discloses a heat exchange box and a water inlet pipe, the heat exchange box can be used for recycling the waste heat of the cooling liquid in the first cooling pipe and the second cooling pipe, reducing the temperature of the cooling liquid, heating low-temperature water, and improving energy utilization. DRAWINGS

[0019] Figure 1 It is a structure front view schematic diagram of the utility model.

[0020] Figure 2 It is a structure front view schematic diagram of the utility model.

[0021] Figure 3Part structure of the utility model is shown in the top view schematic diagram.

[0022] Figure 4 Part structure of the utility model is shown in the side view schematic diagram.

[0023] The signs are: 100, bottom plate; 110, bottom die body; 111, upper cooling pipe; 112, No. 1 cooling pipe; 113, lower cooling pipe; 114, No. 2 cooling pipe; 115, water pump; 116, heat exchange box; 117, water inlet pipe; 118, contact fin; 119, structure reinforcing rib. DETAILED DESCRIPTION

[0024] The technical scheme in the utility model will be described below in connection with the drawings in the utility model.

[0025] Example one:

[0026] Refer to Figure 1 And Figure 2 The utility model provides a kind of composite stamping die, including die body, die body includes bottom plate 100, the top end of bottom plate 100 is fixedly installed with bottom die body 110, die body also includes cooling module, cooling module is set in the inside of bottom die body 110, cooling module also includes:

[0027] Upper cooling pipe 111, upper cooling pipe 111 is set in the inside upper portion of bottom die body 110, this upper cooling pipe 111 is used to carry out quick cooling to die upper region, reduce stamping surface temperature;

[0028] No. 1 cooling pipe 112, one side of No. 1 cooling pipe 112 is connected with one side of upper cooling pipe 111, the end of No. 1 cooling pipe 112 is connected with the other side of upper cooling pipe 111, this No. 1 cooling pipe 112 is used to transport cooling liquid in upper cooling pipe 111, improves die surface temperature control ability;

[0029] Lower cooling pipe 113, lower cooling pipe 113 is set in the inside lower portion of bottom die body 110, this is used to carry out delay cooling to die lower region, equalize die internal temperature distribution;

[0030] No. 2 cooling pipe 114, one side of No. 2 cooling pipe 114 is connected with one side of lower cooling pipe 113, the end of No. 2 cooling pipe 114 is connected with the other side of lower cooling pipe 113, this is used to transport cooling liquid to lower cooling pipe 113, prolongs cooling liquid flow path, improves heat exchange efficiency;

[0031] The water pump 115 is arranged on the water pump 115, the first cooling pipe 112 and the second cooling pipe 114, and is used for circulating the driving cooling liquid in the upper cooling pipe 111 and the lower cooling pipe 113, and maintaining the stable cooling system operation.

[0032] By arranging the cooling module, the stamping area can be quickly cooled, the surface temperature of the mold is kept stable, and the error caused by the temperature fluctuation of the stamping precision is reduced.

[0033] The top end of the bottom plate 100 is fixedly installed with the heat exchange box 116, one section of the first cooling pipe 112 and the second cooling pipe 114 is arranged in the heat exchange box 116, the top end of the heat exchange box 116 is provided with the water inlet pipe 117, the inside of the heat exchange box 116 is filled with low-temperature water, the heat exchange box 116 can be used for recycling the waste heat of the cooling liquid in the first cooling pipe 112 and the second cooling pipe 114, reducing the temperature of the cooling liquid, and heating the low-temperature water, improving the energy utilization rate.

[0034] Example two:

[0035] Referring to Figure 1 , the difference between example two and example one is that the heat exchange box 116 is fixedly installed with a plurality of contact type fins 118, the contact type fins 118 are in contact with the first cooling pipe 112 and the second cooling pipe 114, the contact type fins 118 are used for enhancing the heat exchange effect of the cooling liquid in the first cooling pipe 112 and the second cooling pipe 114 and the low-temperature water, improving the heat transfer efficiency, the shape of the upper cooling pipe 111 is Z-shaped, the Z-shaped channel of the upper cooling pipe 111 can cover a larger cooling area, so that the surface temperature of the mold is more uniform, and the local overheating phenomenon is reduced, the shape of the lower cooling pipe 113 is a spiral spring, the spiral structure of the lower cooling pipe 113 prolongs the flow path of the cooling liquid, so that the cooling liquid stays in the mold for a longer time, improving the cooling effect, the top end of the bottom plate 100 is fixedly installed with a plurality of structure reinforcing ribs 119, the structure reinforcing ribs 119 are used for increasing the strength of the mold structure, and improving the structural stability of the mold in the high-temperature stamping environment.

Claims

1. A composite stamping die, comprising a die body, characterized in that, The mold body includes a base plate (100), and a bottom mold body (110) is fixedly installed on the top of the base plate (100). The mold body also includes a cooling module, which is disposed inside the bottom mold body (110). The cooling module further includes: Upper cooling pipe (111), the upper cooling pipe (111) is opened inside the upper part of the bottom mold body (110); The first cooling pipe (112) is connected to one side of the upper cooling pipe (111) on one side and to the other side of the upper cooling pipe (111) on the other side. The first cooling pipe (112) is used to transport the coolant in the upper cooling pipe (111). The lower cooling pipe (113) is located inside the lower part of the bottom mold body (110); The second cooling pipe (114) has one side connected to one side of the lower cooling pipe (113), and the end of the second cooling pipe (114) is connected to the other side of the lower cooling pipe (113). Water pump (115) is installed on both the first cooling pipe (112) and the second cooling pipe (114).

2. The composite stamping die according to claim 1, characterized in that: A heat exchange box (116) is fixedly installed on one side of the top of the base plate (100). One section of the first cooling pipe (112) and the second cooling pipe (114) are both located inside the heat exchange box (116). A water inlet pipe (117) is opened at the top of the heat exchange box (116). The heat exchange box (116) is filled with low temperature water.

3. A composite stamping die according to claim 2, characterized in that: The heat exchange box (116) is internally fixedly equipped with multiple contact fins (118), all of which are in contact with the first cooling tube (112) and the second cooling tube (114).

4. A composite stamping die according to claim 1, characterized in that: The upper cooling pipe (111) is shaped like a zigzag.

5. A composite stamping die according to claim 1, characterized in that: The lower cooling pipe (113) is shaped like a spiral spring.

6. A composite stamping die according to claim 1, characterized in that: Multiple sets of structural reinforcing ribs (119) are fixedly installed at the top of the base plate (100).

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