Plate forming die convenient to cool

Abstract

The utility model belongs to the field of plate processing, and particularly relates to a plate forming die convenient to cool, which comprises an upper die plate, a lower die plate, a rear die plate and two side die plates, an extrusion-in channel is formed in the lower mold plate, one end of the extrusion-in channel penetrates through the rear side of the lower mold plate to form an extrusion-in opening connected with an external extrusion machine head, and the other end of the extrusion-in channel penetrates through the upper side of the lower mold plate to form a first connection opening; an extrusion channel is arranged in the rear mold plate, one end of the extrusion channel penetrates through the lower side of the rear mold plate to form a second connecting opening, the other end of the extrusion channel penetrates through the front side of the rear mold plate to form an extrusion opening, the first connecting opening is connected with the second connecting opening, and the extrusion opening is communicated with the forming cavity; and a cooling system for cooling is arranged on the lower mold plate and / or the upper mold plate. According to the utility model, the rear template and the two side templates are more convenient to disassemble and assemble in the replacement process, and the disassembly and assembly efficiency is higher.

Description

Technical Field

[0001] The utility model belongs to the field of plate processing, and particularly relates to a plate forming die which is convenient for cooling. Background Art

[0002] Sheet forming is a process in which the extruder head continuously extrude the polymer melt from the channel of the forming mold for continuous forming. For existing forming molds, their structures mostly include an upper template, a lower template, a rear template and two side templates, wherein the two side templates are respectively arranged at the two sides between the upper template and the lower template, and the rear template is located at the rear side between the upper template and the lower template. The upper template, the lower template, the rear template and the two side templates are enclosed to form an extrusion channel, and an extrusion port connected to the extruder head is arranged on the rear template. Through the extrusion port, the extruder head continuously squeezes the polymer melt into the extrusion channel for forming; however, for this type of existing mold, if it is necessary to replace the rear template and the two side templates of different thicknesses to adjust the thickness of the processed sheet, it is necessary to separate the extruder head from the rear template and then assemble it with the replaced rear template. This disassembly and assembly process is very troublesome and the disassembly and assembly efficiency is low. Utility Model Content

[0003] In order to solve the above problems, the primary purpose of the utility model is to provide a plate forming mold that is easy to cool. When the rear mold and the two side molds are disassembled and replaced, the disassembly and assembly of the forming mold is more convenient and the disassembly and assembly efficiency is higher.

[0004] Another object of the utility model is to provide a plate forming mold that is easy to cool. The forming mold has high cooling efficiency and is more conducive to plate forming.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows.

[0006] A plate forming mold that is easy to cool, the forming mold comprises an upper mold plate, a lower mold plate, a rear mold plate and two side mold plates, the upper mold plate is located above the lower mold plate, the two side mold plates are respectively arranged on the left and right sides between the upper mold plate and the lower mold plate, the rear mold plate is arranged on the rear side between the upper mold plate and the lower mold plate, and the upper mold plate, the lower mold plate, the rear mold plate and the two side mold plates are surrounded to form a forming cavity, and a forming opening that penetrates to the forming cavity is formed on the front side between the upper mold plate and the lower mold plate;

[0007] It is characterized in that an extrusion channel is provided in the lower template, one end of the extrusion channel passes through the rear side of the lower template to form an extrusion port connected to the external extruder head, and the other end of the extrusion channel passes through the upper side of the lower template to form a first connecting port; an extrusion channel is provided in the rear template, one end of the extrusion channel passes through the lower side of the rear template to form a second connecting port, and the other end of the extrusion channel passes through the front side of the rear template to form an extrusion port, the first connecting port is connected with the second connecting port, and the extrusion port is connected with the molding cavity; and a cooling system for cooling is provided on the lower template and / or the upper template.

[0008] In the forming die, the extrusion inlet of the extrusion channel on the lower die plate is connected to the external extruder head, and then the extrusion channel of the rear die plate is connected to the extrusion channel to achieve extrusion forming; when the rear die plate and two side die plates of different thicknesses need to be replaced to meet the production and processing of sheets of different thicknesses, there is no need to disassemble and assemble the forming die from the external extruder head, and the rear die plate and two side die plates can be directly disassembled and assembled, making the disassembly and assembly during the replacement process more convenient and more efficient. And based on the setting of the cooling system, it can be used to reduce the temperature of the lower die plate and / or the upper die plate, which is more conducive to the forming of the sheet.

[0009] Further, the cooling system includes a first cooling pipeline and / or a second cooling pipeline;

[0010] At least one group of first cooling pipelines is arranged on the upper template, the first cooling pipeline includes a first water inlet and two first water outlets, the first water inlet is arranged in the middle of the upper side of the upper template, the two first water outlets of the same first cooling pipeline are arranged on the left and right sides of the upper template respectively, and the first water inlet is connected to the two corresponding first water outlets respectively;

[0011] Or / and, at least one group of second cooling pipelines is arranged under the lower template, the second cooling pipeline includes a second water inlet and two second water outlets, the second water inlet is arranged in the middle position of the lower side of the lower template, the two second water outlets of the same second cooling pipeline are respectively arranged on the left and right sides of the lower template, and the second water inlet is respectively connected to the two corresponding second water outlets.

[0012] In the forming mold, the cooling liquid enters from the first water inlet and / or the second water inlet, and based on the middle part of the upper template and / or the lower template, the cooling liquid is divided into two streams and discharged from the first water outlet and / or the second water outlet on the left and right sides respectively. In this process, not only is the path of each cooling liquid short, but the temperature of the cooling liquid increased in this process is relatively low, which can make the heat removal more efficient, improve the cooling efficiency, avoid uneven cooling effect on both sides, and improve the quality of the plate.

[0013] Furthermore, the first cooling pipeline also includes a first connecting channel, which is connected to the corresponding first water inlet and two first water outlets. The cooling liquid enters the middle of the first connecting channel through the first water inlet, and then is divided into two streams through the first connecting channel and discharged from the two first water outlets respectively.

[0014] Furthermore, the second cooling pipeline also includes a second connecting channel, which is connected to the corresponding second water inlet and two second water outlets. The cooling liquid enters the middle of the second connecting channel through the second water inlet, and then is divided into two streams through the second connecting channel and discharged from the two second water outlets respectively.

[0015] Furthermore, the first cooling pipeline is located at the rear end of the upper template close to the extrusion port; a third cooling pipeline is also provided at the front end of the upper template away from the extrusion port, and the third cooling pipeline includes a third water inlet and multiple groups of third water outlets; each group of third water outlets includes two third water outlets, and the two third water outlets are respectively arranged on the left and right sides of the upper template; the third water inlet is located in the middle of the upper side of the upper template, and the third water inlet is connected to multiple groups of third water outlets.

[0016] Because the first cooling pipeline is close to the extrusion port, the material has just been extruded from the external extruder head into the molding cavity, and the temperature is relatively high at this time. By setting a first water inlet of the first cooling pipeline to correspond to a group of first water outlets, the temperature can be quickly reduced. The third cooling pipeline is far away from the extrusion port, and the sheet has been cooled by the first cooling pipeline at this time, so it can be cooled slowly. Therefore, by setting a third water inlet to correspond to multiple groups of third water inlets, resources can be saved when cooling.

[0017] Furthermore, the third cooling pipeline also includes a third connecting channel and multiple groups of third discharge channels, the third connecting channel is arranged in the upper template along the length direction of the upper template and is located in the middle of the upper template, and the third connecting channel is connected to the third water inlet; each group of third discharge channels is two third discharge channels, the two third discharge channels are respectively arranged on both sides of the third connecting channel to be connected to the third connecting channel respectively, and the two third discharge channels are respectively connected to the corresponding two third water outlets located in the same group. The cooling liquid entering a third water inlet enters multiple groups of discharge channels respectively through the third connecting channel to be discharged from multiple groups of third water outlets respectively.

[0018] Furthermore, the first cooling pipeline is located at the rear end of the lower template near the extrusion port; the fourth cooling pipeline is arranged at the front end of the lower template away from the extrusion port, and the fourth cooling pipeline includes a fifth water inlet and multiple groups of fourth water inlets; each group of fourth water inlets includes two fourth water inlets, and the two fourth water inlets are arranged on the left and right sides of the lower template respectively; the fifth water inlet is located in the middle of the lower side of the lower template, and the fifth water inlet is connected to multiple groups of fourth water inlets. Based on the position of the second cooling pipeline close to the extrusion port, the material has just been extruded from the external extruder head into the molding cavity, and the temperature is relatively high at this time. By setting a second water inlet corresponding to a group of second water outlets of the second cooling pipeline, the temperature can be quickly reduced; and the fourth cooling pipeline is far away from the extrusion port, and the plate has been cooled by the second cooling pipeline at this time, and it can be cooled slowly at this time, so by using a fifth water inlet corresponding to multiple groups of fourth water inlets, resources can be saved when cooling.

[0019] Furthermore, the fourth cooling pipeline also includes a fourth connecting channel and multiple groups of fourth discharge channels, the fourth connecting channel is arranged in the lower template along the length direction of the lower template and is located in the middle of the lower template, and the fourth connecting channel is connected to the fifth water inlet; each group of fourth discharge channels is two fourth discharge channels, the two fourth discharge channels are respectively arranged on both sides of the fourth connecting channel to be connected to the fourth connecting channel respectively, and the two fourth discharge channels are respectively connected to the corresponding two fourth water inlets located in the same group. The cooling liquid entering one fifth water inlet enters the multiple groups of discharge channels respectively through the fourth connecting channel to be discharged from the multiple groups of fourth water inlets respectively.

[0020] Furthermore, the third water outlet is connected to the corresponding fourth water outlet, so that the third water inlet is used for water intake and the fifth water outlet is used for water discharge.

[0021] Furthermore, an upper heat-insulating groove is provided on the upper side of the upper template for reducing heat transfer between the rear end of the upper template close to the extrusion port and the front end away from the extrusion port;

[0022] Or / and a lower heat insulation groove is provided on the lower side of the lower template for reducing heat transfer between the rear end of the lower template close to the extrusion port and the front end away from the extrusion port.

[0023] Specifically, in this technical solution, “ / ” means or.

[0024] The beneficial effect of the utility model is that the extrusion inlet of the extrusion channel on the lower template is connected to the external extruder head, and then the extrusion channel of the rear template is connected to the extrusion channel to achieve extrusion molding; when the rear template and two side templates of different thicknesses need to be replaced to meet the production and processing of sheets of different thicknesses, there is no need to disassemble and assemble the molding die and the external extruder head, and the rear template and two side templates can be directly disassembled and assembled, making the disassembly and assembly during the replacement process more convenient and more efficient. And based on the setting of the cooling system, it can be used to reduce the temperature of the lower template and / or the upper template, which is more conducive to the molding of the sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the utility model when the third cooling pipeline and the fourth cooling pipeline are connected.

[0026] Figure 2 It is a schematic diagram of the structure when the third cooling pipeline and the fourth cooling pipeline of the utility model are not connected.

[0027] Figure 3 It is a cross-sectional view of the utility model.

[0028] Figure 4 It is a structural diagram of the upper template.

[0029] Figure 5 It is a cross-sectional view of the upper template.

[0030] Figure 6 It is a structural diagram of the lower template.

[0031] Figure 7 It is a cross-sectional view of the lower template.

[0032] Figure Number:

[0033] 1. Upper formwork; 11. Upper insulation trough;

[0034] 2. Lower template; 21. Extrusion channel; 211. Extrusion entrance; 212. First connection port; 22. Lower insulation groove;

[0035] 3. Side formwork;

[0036] 4. rear template; 41. extrusion channel; 411. extrusion port; 412. second connection port;

[0037] 5. Molding cavity; 51. Molding port;

[0038] 6. First cooling pipeline; 61. First water inlet; 62. First water outlet; 63. First connecting channel;

[0039] 7. Second cooling pipeline; 71. Second water inlet; 72. Second water outlet; 73. Second connecting channel;

[0040] 8. third cooling pipeline; 81. third water inlet; 82. third water outlet; 83. third connecting channel; 84. third discharge channel;

[0041] 9. Fourth cooling pipeline; 91. Fourth water inlet; 92. Fifth water inlet; 93. Fourth connecting channel; 94. Fourth discharge channel. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0043] See also Figure 1-7 The present embodiment provides a plate forming mold that is easy to cool. The forming mold includes an upper mold plate 1, a lower mold plate 2, a rear mold plate 4 and two side mold plates 3. The upper mold plate 1 is located above the lower mold plate 2. The two extrusion outlet side mold plates 3 are respectively arranged on the left and right sides between the upper mold plate 1 and the lower mold plate 2. The extrusion outlet rear mold plate 4 is arranged at the rear side between the upper mold plate 1 and the lower mold plate 2. The extrusion outlet upper mold plate 1, the lower mold plate 2, the rear mold plate 4 and the two side mold plates 3 together form a forming cavity 5. A forming port 51 that penetrates the forming cavity 5 is formed at the front side between the extrusion outlet upper mold plate 1 and the lower mold plate 2.

[0044] It is characterized in that an extrusion channel 21 is provided in the lower template 2 of the extrusion port, one end of the extrusion channel 21 penetrates the rear side of the lower template 2 to form an extrusion port 211 connected to the external extruder head, and the other end of the extrusion channel 21 penetrates the upper side of the lower template 2 to form a first connecting port 212; an extrusion channel 41 is provided in the rear template 4 of the extrusion port, one end of the extrusion channel 41 of the extrusion port penetrates the lower side of the rear template 4 to form a second connecting port 412, and the other end of the extrusion channel 41 of the extrusion port penetrates the front side of the rear template 4 to form an extrusion port 411, the first connecting port 212 of the extrusion port is connected with the second connecting port 412, and the extrusion port 411 is connected with the extrusion port molding cavity 5; and a cooling system for cooling is provided on the lower template 2 and the upper template 1 of the extrusion port.

[0045] In this embodiment, the extrusion outlet cooling system includes a first cooling pipeline 6 and a second cooling pipeline 7;

[0046] At least one group of first cooling pipelines 6 is arranged on the upper template 1 of the extrusion outlet. The first cooling pipeline 6 of the extrusion outlet includes a first water inlet 61 and two first water outlets 62. The first water inlet 61 is arranged in the middle of the upper side of the upper template 1. The two first water outlets 62 of the same first cooling pipeline 6 are arranged on the left and right sides of the upper template 1, respectively. The first water inlet 61 of the extrusion outlet is connected to the two corresponding first water outlets 62 respectively.

[0047] At least one group of second cooling pipelines 7 is arranged under the lower template 2 of the extrusion outlet. The second cooling pipeline 7 of the extrusion outlet includes a second water inlet 71 and two second water outlets 72. The second water inlet 71 is arranged in the middle position of the lower side of the lower template 2. The two second water outlets 72 of the same second cooling pipeline 7 are respectively arranged on the left and right sides of the lower template 2. The second water inlet 71 of the extrusion outlet is connected to the two corresponding second water outlets 72 respectively.

[0048] In this embodiment, the first cooling pipeline 6 at the extrusion outlet further includes a first connecting channel 63 , and the first connecting channel 63 is connected to the corresponding first water inlet 61 and the two first water outlets 62 .

[0049] In this embodiment, the second cooling pipeline 7 at the extrusion outlet further includes a second connecting channel 73 , and the second connecting channel 73 is connected to the corresponding second water inlet 71 and two second water outlets 72 .

[0050] In this embodiment, the first cooling pipeline 6 of the extrusion outlet is located at the rear end of the upper template 1 close to the extrusion outlet 411; a third cooling pipeline 8 is also provided at the front end of the upper template 1 of the extrusion outlet away from the extrusion outlet 411, and the third cooling pipeline 8 of the extrusion outlet includes a third water inlet 81 and multiple groups of third water outlets 82; each group of third water outlets 82 includes two third water outlets 82, and the two third water outlets 82 are respectively arranged on the left and right sides of the upper template 1 of the upper template 1; the third water inlet 81 is located in the middle position of the upper side of the upper template 1, and the third water inlet 81 of the extrusion outlet is connected to the multiple groups of third water outlets 82.

[0051] In this embodiment, the third cooling pipeline 8 of the extrusion outlet also includes a third connecting channel 83 and multiple groups of third discharge channels 84. The third connecting channel 83 of the extrusion outlet is arranged in the upper template 1 along the length direction of the upper template 1 and is located in the middle of the upper template 1. The third connecting channel 83 of the extrusion outlet is connected to the third water inlet 81; each group of third discharge channels 84 is two third discharge channels 84, and the two third discharge channels 84 are respectively arranged on both sides of the third connecting channel 83 to be respectively connected to the third connecting channel 83, and the two third discharge channels 84 are respectively connected to the corresponding two third water outlets 82 located in the same group.

[0052] For details, see Figure 1-2 It can be seen that there are eighteen groups of the third discharge channel 84 and the third water outlet 82; see Figure 3 , 5 It can be seen that there are eleven groups in the third discharge channel 84 and the third water outlet 82; the specific number is set according to processing requirements.

[0053] In this embodiment, the first cooling pipeline 6 of the extrusion outlet is located at the rear end of the lower template 2 close to the extrusion outlet; a fourth cooling pipeline 9 is arranged at the front end of the lower template 2 of the extrusion outlet away from the extrusion outlet, and the fourth cooling pipeline 9 of the extrusion outlet includes a fifth water outlet 92 and multiple groups of fourth water outlets 91; each group of fourth water outlets 91 includes two fourth water outlets 91, and the two fourth water outlets 91 are respectively arranged on the left and right sides of the lower template 2 of the lower template 2; the fifth water outlet 92 is located in the middle position of the lower side of the lower template 2, and the fifth water outlet 92 of the extrusion outlet is connected to multiple groups of fourth water outlets 91.

[0054] In this embodiment, the fourth cooling pipeline 9 at the extrusion outlet also includes a fourth connecting channel 93 and multiple groups of fourth discharge channels 94. The fourth connecting channel 93 at the extrusion outlet is arranged in the lower template 2 along the length direction of the lower template 2 and is located in the middle of the lower template 2. The fourth connecting channel 93 at the extrusion outlet is connected to the fifth water outlet 92; each group of fourth discharge channels 94 is two fourth discharge channels 94, and the two fourth discharge channels 94 are respectively arranged on both sides of the fourth connecting channel 93 to be respectively connected to the fourth connecting channel 93, and the two fourth discharge channels 94 are respectively connected to the corresponding two fourth water outlets 91 located in the same group.

[0055] For details, see Figure 1-2 It can be seen that there are eighteen groups of the fourth discharge channel 94 and the fourth water outlet 91; Figure 3 , 7 It can be seen that there are eleven groups of the fourth discharge channel 94 and the fourth water outlet 91; the specific number is set according to processing requirements.

[0056] In this embodiment, the third water outlet 82 of the extrusion port is connected to the corresponding fourth water outlet 91 , and the connection can be achieved through an external pipe, so that the third water inlet 81 is used for water intake and the fifth water outlet 92 is used for drainage.

[0057] In this embodiment, an upper insulation groove 11 is provided on the upper side of the extrusion port upper template 1 for reducing heat transfer between the rear end of the upper template 1 close to the extrusion port 411 and the front end away from the extrusion port 411; the upper insulation groove 11 is a plurality of long strip-shaped grooves, and the plurality of upper insulation grooves 11 are arranged horizontally in one line.

[0058] A lower heat insulation groove 22 is provided on the lower side of the lower template 2 to reduce heat transfer between the rear end of the lower template 2 close to the extrusion port and the front end away from the extrusion port 411. The lower heat insulation groove 22 is a plurality of long strip grooves, and the plurality of lower heat insulation grooves 22 are arranged in a line transversely.

[0059] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sheet forming mold that is easy to cool, the forming mold comprising an upper mold, a lower mold, a rear mold and two side molds, the upper mold is located above the lower mold, the two side molds are respectively arranged on the left and right sides between the upper mold and the lower mold, the rear mold is arranged on the rear side between the upper mold and the lower mold, and the upper mold, the lower mold, the rear mold and the two side molds are surrounded to form a forming cavity, and a forming port that penetrates to the forming cavity is formed on the front side between the upper mold and the lower mold; It is characterized in that An extrusion channel is provided in the lower template, one end of the extrusion channel passes through the rear side of the lower template to form an extrusion port connected to the external extruder head, and the other end of the extrusion channel passes through the upper side of the lower template to form a first connecting port; an extrusion channel is provided in the rear template, one end of the extrusion channel passes through the lower side of the rear template to form a second connecting port, and the other end of the extrusion channel passes through the front side of the rear template to form an extrusion port, the first connecting port is connected with the second connecting port, and the extrusion port is connected with the molding cavity; and a cooling system for cooling is provided on the lower template and / or the upper template.

2. A sheet forming mold that is easy to cool according to claim 1, characterized in that: The cooling system comprises a first cooling pipeline and / or a second cooling pipeline; At least one group of first cooling pipelines is arranged on the upper template, the first cooling pipeline includes a first water inlet and two first water outlets, the first water inlet is arranged in the middle of the upper side of the upper template, the two first water outlets of the same first cooling pipeline are arranged on the left and right sides of the upper template respectively, and the first water inlet is connected to the two corresponding first water outlets respectively; Or / and, at least one group of second cooling pipelines is arranged under the lower template, the second cooling pipeline includes a second water inlet and two second water outlets, the second water inlet is arranged in the middle position of the lower side of the lower template, the two second water outlets of the same second cooling pipeline are respectively arranged on the left and right sides of the lower template, and the second water inlet is respectively connected to the two corresponding second water outlets.

3. A sheet forming die that is easy to cool according to claim 2, characterized in that: The first cooling pipeline also includes a first connecting channel, and the first connecting channel is connected to the corresponding first water inlet and two first water outlets.

4. A sheet forming die that is easy to cool according to claim 2, characterized in that: The second cooling pipeline also includes a second connecting channel, and the second connecting channel is connected to the corresponding second water inlet and two second water outlets.

5. A sheet forming die that is easy to cool according to claim 2, characterized in that: The first cooling pipeline is located at the rear end of the upper template close to the extrusion port; a third cooling pipeline is also arranged at the front end of the upper template away from the extrusion port, and the third cooling pipeline includes a third water inlet and multiple groups of third water outlets; each group of third water outlets includes two third water outlets, and the two third water outlets are respectively arranged on the left and right sides of the upper template; the third water inlet is located in the middle of the upper side of the upper template, and the third water inlet is connected to the multiple groups of third water outlets.

6. A sheet forming die that is easy to cool according to claim 5, characterized in that: The third cooling pipeline also includes a third connecting channel and multiple groups of third discharge channels. The third connecting channel is arranged in the upper template along the length direction of the upper template and is located in the middle of the upper template. The third connecting channel is connected to the third water inlet; each group of third discharge channels consists of two third discharge channels, and the two third discharge channels are respectively arranged on both sides of the third connecting channel to be connected to the third connecting channel respectively, and the two third discharge channels are respectively connected to the corresponding two third water outlets located in the same group.

7. A sheet forming die that is easy to cool according to claim 5, characterized in that: The first cooling pipeline is located at the rear end of the lower template close to the extrusion port; a fourth cooling pipeline is arranged at the front end of the lower template away from the extrusion port, and the fourth cooling pipeline includes a fifth water inlet and multiple groups of fourth water inlets; each group of fourth water inlets includes two fourth water inlets, and the two fourth water inlets are respectively arranged on the left and right sides of the lower template; the fifth water inlet is located in the middle of the lower side of the lower template, and the fifth water inlet is connected to the multiple groups of fourth water inlets.

8. A sheet forming die that is easy to cool according to claim 7, characterized in that: The fourth cooling pipeline also includes a fourth connecting channel and multiple groups of fourth discharge channels. The fourth connecting channel is arranged in the lower template along the length direction of the lower template and is located in the middle of the lower template. The fourth connecting channel is connected to the fifth water outlet; each group of fourth discharge channels consists of two fourth discharge channels, and the two fourth discharge channels are respectively arranged on both sides of the fourth connecting channel to be respectively connected to the fourth connecting channel, and the two fourth discharge channels are respectively connected to the corresponding two fourth water outlets located in the same group.

9. A sheet forming die that is easy to cool according to claim 7, characterized in that: The third water outlet is connected to the corresponding fourth water outlet, so that the third water inlet is used for water intake and the fifth water outlet is used for water discharge.

10. A sheet forming die that is easy to cool according to any one of claims 1 to 9, characterized in that: The upper side of the upper template is provided with an upper heat insulation groove for reducing heat transfer between the rear end of the upper template close to the extrusion port and the front end away from the extrusion port; Or / and a lower heat insulation groove is provided on the lower side of the lower template for reducing heat transfer between the rear end of the lower template close to the extrusion port and the front end away from the extrusion port.

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