Forming tool

Abstract

The utility model relates to the technical field of punch forming, and discloses a forming tool which comprises an upper forming module and a lower forming module, the upper forming module comprises an upper forming panel, an inner forming corner and an upper adjusting seat, and the lower forming module comprises a lower forming panel, an outer forming corner and a lower adjusting seat. The upper adjusting seat and the lower adjusting seat are respectively arranged on the butt joint surfaces of the upper die and the lower die; the inner forming angle is detachably fixed to the upper adjusting base, the outer forming angle is detachably fixed to the lower adjusting base, the inner forming angle and the outer forming angle which are replaceable and small in size are designed, and the manufacturing cost, the maintenance cost and the replacement cost are reduced. The two upper forming panels are located on the two sides of the inner forming angle correspondingly, and the upper adjusting base can control the upper forming panels to rotate with the length direction of the inner forming angle as the axis. The two lower forming panels are located on the two sides of the outer forming angle respectively, the lower adjusting base can control the lower forming panels to rotate with the length direction of the outer forming angle as the axis so as to adjust the profile angle of the material piece, and the research and development requirements for the springback phenomenon are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping forming technical field especially relates to a forming frock. BACKGROUND

[0002] Continuous fiber reinforced thermoplastic composite (CFRTP) is a high-strength, high-rigidity, high-toughness composite material manufactured by taking continuous fiber as reinforcing material and taking thermoplastic resin as matrix through the process of thermoplastic resin melt impregnation, which has been widely applied in many fields such as automobile industry, aerospace, military and electronics. Although short fiber and long fiber thermoplastic composite occupies the dominant position in the whole thermoplastic composite market, but due to the unique advantages of continuous fiber such as light weight, high strength, good impact resistance, short forming cycle, secondary forming and waste recycling, it gradually attracts the attention and promotion of the composite material industry.

[0003] High-performance thermoplastic composite has the problem of poor resin flowability, and its forming process needs high forming temperature and large forming pressure, which has great challenge to the forming process. Hot stamping is an important means of forming thermoplastic composite, and its forming method is to preheat and soften the thermoplastic composite, then use the heated upper and lower molds to quickly close the mold, and press the parts under high temperature and high pressure, which has the advantages of fast forming speed and good surface quality.

[0004] In the thermoplastic stamping process of, for example, L-shaped chips, there will be springback after stamping. In order to effectively control the springback, it is necessary to increase the compensation of the tool surface during the adjustment of the process parameters. However, the springback of the chip of the thermoplastic composite stamping is related to the thickness of the chip, the direction of the layer, the preheating temperature of the chip, the mold temperature, the pressing speed, the holding time, etc. Repeatedly repairing the mold or making multiple sets of molds will waste a lot of manpower and resources.

[0005] Therefore, there is an urgent need for a forming frock to study the problem of chip springback. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a forming frock which can reduce the manufacturing and maintenance replacement cost, adjust the profile angle of the chip within a certain range, and meet the research and development requirements for springback phenomenon.

[0007] To achieve this purpose, the utility model adopts the following technical solutions:

[0008] The forming frock comprises:

[0009] An upper forming module, the upper forming module comprises an upper forming panel, an inner forming angle and an upper adjusting seat, the inner forming angle is detachably fixed to the upper adjusting seat, the upper forming panel is provided with two, two of the upper forming panel is respectively located on both sides of the inner forming angle, the upper adjusting seat can control the upper forming panel to rotate with the length direction of the inner forming angle as the axis;

[0010] A lower forming module, the lower forming module comprises a lower forming panel, an outer forming angle and a lower adjusting seat, the outer forming angle is detachably fixed to the lower adjusting seat, the lower forming panel is provided with two, two of the lower forming panel is respectively located on both sides of the outer forming angle, the lower adjusting seat can control the lower forming panel to rotate with the length direction of the outer forming angle as the axis.

[0011] As an optional technical scheme of the forming tool, two of the upper forming panel is symmetrically arranged with the length direction of the inner forming angle as the axis, the upper forming panel is provided with an upper synchronous gear wheel on the side close to the inner forming angle, the rotation shafts of two of the upper synchronous gear wheel are parallel, and two of the upper synchronous gear wheel synchronously and reversely rotates; and / or, two of the lower forming panel is symmetrically arranged with the length direction of the outer forming angle as the axis, the lower forming panel is provided with a lower synchronous gear wheel on the side close to the outer forming angle, the rotation shafts of two of the lower synchronous gear wheel are parallel, and two of the lower synchronous gear wheel synchronously and reversely rotates.

[0012] As an optional technical scheme of the forming tool, the upper adjusting seat is provided with an inner angle fixing piece, the inner angle fixing piece is provided with an upper sliding groove, the inner forming angle is slidably arranged in the upper sliding groove along the length direction; and / or, the lower adjusting seat is provided with an outer angle fixing piece, the outer angle fixing piece is provided with a lower sliding groove, the inner forming angle is slidably arranged in the lower sliding groove along the length direction.

[0013] As an optional technical scheme of the forming tool, the upper adjusting seat is provided with an upper adjustable support rod, the head of the upper adjustable support rod abuts against the upper forming panel, the upper adjustable support rod can be telescopic to push the upper forming panel to rotate; the lower adjusting seat is provided with a lower adjustable support rod, the head of the lower adjustable support rod abuts against the lower forming panel, the lower adjustable support rod can be telescopic to push the lower forming panel to rotate.

[0014] As an optional technical scheme of the forming tool, the upper forming panel is provided with an upper slide channel extending from a side of the upper forming panel close to the inner forming corner to a side of the upper forming panel away from the inner forming corner, a head of the upper adjustable support rod is provided with an upper limiting piece, and the upper limiting piece is slidingly arranged in the upper slide channel; and / or the lower forming panel is provided with a lower slide channel extending from a side of the lower forming panel close to the outer forming corner to a side of the lower forming panel away from the outer forming corner, a head of the lower adjustable support rod is provided with a lower limiting piece, and the lower limiting piece is slidingly arranged in the lower slide channel.

[0015] As an optional technical scheme of the forming tool, a side of the upper forming panel close to the upper adjusting seat is provided with a heat insulation layer; and / or a side of the lower forming panel close to the lower adjusting seat is provided with a heat insulation layer.

[0016] As an optional technical scheme of the forming tool, an inside of the upper forming panel and / or an inside of the lower forming panel is provided with a heating pipeline.

[0017] As an optional technical scheme of the forming tool, an inside of the inner forming corner and / or an inside of the outer forming corner is provided with a heating pipeline.

[0018] As an optional technical scheme of the forming tool, a lower surface of the upper forming panel and / or an upper surface of the lower forming panel is provided with a high-temperature-resistant film.

[0019] As an optional technical scheme of the forming tool, the upper adjusting seat and / or the lower adjusting seat is provided with an angle gauge.

[0020] The forming tool has the following beneficial effects:

[0021] The forming tool comprises an upper forming module and a lower forming module, which are respectively arranged on the butt joint surfaces of the upper die and the lower die to help the mold closing and the forming of the material piece. The upper forming module comprises an upper forming panel, an inner forming corner and an upper adjusting seat, the lower forming module comprises a lower forming panel, an outer forming corner and a lower adjusting seat, the inner forming corner is detachably fixed to the upper adjusting seat, and the outer forming corner is detachably fixed to the lower adjusting seat. The inner forming corner and the outer forming corner are designed to be replaceable and small in size, thereby reducing the manufacturing and maintenance and replacement costs, and enabling a large number of manufacturing and rapid iteration and update in the research and development process at a low cost. The upper forming panel is provided with two upper forming panels arranged on the two sides of the inner forming corner, and the upper adjusting seat can control the rotation of the upper forming panel with the length direction of the inner forming corner as the axis. The lower forming panel is provided with two lower forming panels arranged on the two sides of the outer forming corner, and the lower adjusting seat can control the rotation of the lower forming panel with the length direction of the outer forming corner as the axis. The profile angle of the material piece can be adjusted within a certain range, thereby meeting the research and development requirements for the springback phenomenon. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structure schematic view of the forming tool provided by the embodiment of the present application;

[0023] Figure 2 is a front view of the forming tool provided by the embodiment of the present application;

[0024] Figure 3 is a sectional view of the forming tool provided by the embodiment of the present application;

[0025] Figure 4 is a structure schematic view of the lower forming module of the forming tool provided by the embodiment of the present application;

[0026] Figure 5 is a structure schematic view of the lower adjusting seat of the forming tool provided by the embodiment of the present application;

[0027] Figure 6 is a structure schematic view of the lower forming panel of the forming tool provided by the embodiment of the present application;

[0028] Figure 7 is a structure schematic view of the upper forming module of the forming tool provided by the embodiment of the present application;

[0029] Figure 8 is a structure schematic view of the upper adjusting seat of the forming tool provided by the embodiment of the present application;

[0030] Figure 9 is a structure schematic view of the inner forming angle of the forming tool provided by the embodiment of the present application;

[0031] Figure 10 is a structure schematic view of the outer forming angle of the forming tool provided by the embodiment of the present application.

[0032] In the drawings:

[0033] 100, upper forming module; 110, inner forming angle; 120, upper forming panel; 121, upper synchronous rotating wheel; 122, upper slide; 130, upper adjusting seat; 131, inner angle fixing piece; 132, upper sliding groove; 133, upper adjustable supporting rod; 134, upper limiting piece;

[0034] 200, lower forming module; 210, outer forming angle; 220, lower forming panel; 221, lower synchronous rotating wheel; 222, lower slide; 230, lower adjusting seat; 231, outer angle fixing piece; 232, lower sliding groove; 233, lower adjustable supporting rod; 234, lower limiting piece;

[0035] 10, heat insulation layer; 20, angle meter. DETAILED DESCRIPTION

[0036] The utility model will be described further in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0037] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0038] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "below" the second feature, which can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0039] In the description of the embodiment, the terms "up", "down", "right", "left" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0040] As Figures 1 to 10The utility model discloses a forming tool, including upper forming module 100 and lower forming module 200, install respectively on the butt joint surface of upper die and lower die to help the die forming piece. Upper forming module 100 includes upper forming panel 120, inner forming angle 110 and upper adjusting seat 130, and lower forming module 200 includes lower forming panel 220, outer forming angle 210 and lower adjusting seat 230, and inner forming angle 110 is detachably fixed to upper adjusting seat 130, and outer forming angle 210 is detachably fixed to lower adjusting seat 230, and the design can replace and the size of inner forming angle 110 and outer forming angle 210 is smaller, and the manufacturing and maintenance replacement cost are reduced, and can be manufactured in large quantities with lower cost and iterate and update quickly in the research and development process. Two upper forming panels 120 are arranged, and the two upper forming panels 120 are located at the two sides of inner forming angle 110 respectively, and upper adjusting seat 130 can control upper forming panel 120 to rotate with the length direction of inner forming angle 110 as the shaft. Two lower forming panels 220 are arranged, and the two lower forming panels 220 are located at the two sides of outer forming angle 210 respectively, and lower adjusting seat 230 can control lower forming panel 220 to rotate with the length direction of outer forming angle 210 as the shaft. The profile angle of the piece can be adjusted within a certain range, and the research and development requirements for the rebound phenomenon are met. Exemplarily, upper forming panel 120 and lower forming panel 220 can all be made of metal forming panel, and the profile angle can be adjusted within the range of 90 DEG plus or minus 5 DEG, so that the piece can resist the rebound risk in the case of different base materials forming.

[0041] In the embodiment, the two upper forming panels 120 are symmetrically arranged with the length direction of inner forming angle 110 as the shaft, and the side of upper forming panel 120 close to inner forming angle 110 is provided with upper synchronous pulley 121, the rotation shafts of the two upper synchronous pulleys 121 are parallel, and the two upper synchronous pulleys 121 rotate reversely synchronously. The two lower forming panels 220 are symmetrically arranged with the length direction of outer forming angle 210 as the shaft, and the side of lower forming panel 220 close to outer forming angle 210 is provided with lower synchronous pulley 221, the rotation shafts of the two lower synchronous pulleys 221 are parallel, and the two lower synchronous pulleys 221 rotate reversely synchronously. The upper synchronous pulley 121 and the lower synchronous pulley 221 are all composed of a rotation shaft and a gear, so that the two upper forming panels 120 and the two lower forming panels can form a flexible connection structure, and the angle adjustment of the upper forming panel 120 and the lower forming panel on both sides is corresponding through the linkage of the upper synchronous pulley 121 and the lower synchronous pulley 221, so that the adjustment angles on both sides can keep consistent, the profiles on both sides are symmetrical structures, the stress is more uniform when the die is closed, and the rebound research and development requirements are further met. Correspondingly, the structure of upper forming module 100 and lower forming module 200 has certain difference due to the geometric characteristics of the piece stamping forming.

[0042] Exemplarily, the interior of the upper forming panel 120 and the interior of the lower forming panel 220 can be selectively provided with a heating pipe to avoid the difficulty of uniform heating of the sheet caused by the thick forming tool. The heating pipe arranged in the middle of the upper forming panel 120 and the lower forming panel 220 can be heated by oil circuit or by electricity to achieve the heating effect, for heating the profile and promoting the rapid shaping of the sheet. The forming tool has a profile heating capacity of at least 300°C and a pressure bearing capacity of 5MPa, which can fully meet the requirements of the hot stamping forming process of the thermoplastic composite material, for example, for manufacturing L-shaped sheets.

[0043] Specifically as shown in Figure 9 and Figure 10 It can be seen that the inner forming corner 110 and the inner forming corner 210 can also be provided with the above-mentioned heating pipe, which can be heated and softened to better assist the sheet in changing the angle.

[0044] Continuing to refer to Figures 1 to 10 It can be understood that the side of the upper forming panel 120 close to the upper adjusting seat 130 is provided with a heat insulation layer 10, and the side of the lower forming panel 220 close to the lower adjusting seat 230 is also provided with a heat insulation layer 10, which is used to protect the upper forming panel 120 and the lower forming panel 220 and the upper adjusting seat 130 and the lower adjusting seat 230 on the back thereof, and can also keep the profile side warm to improve the forming effect of the sheet.

[0045] Specifically, the upper adjusting seat 130 is provided with an inner corner fixing piece 131, the inner corner fixing piece 131 is provided with an upper sliding groove 132, and the inner forming corner 110 is slidably arranged in the upper sliding groove 132 along the length direction; Similarly, the lower adjusting seat 230 is provided with an outer corner fixing piece 231, the outer corner fixing piece 231 is provided with a lower sliding groove 232, and the inner forming corner 110 is slidably arranged in the lower sliding groove 232 along the length direction. The structure of the upper adjusting seat 130 and the lower adjusting seat 230 is similar, which is a metal integrated structure, the front surface is used to fix the upper forming panel 120 and the lower forming panel 220 bearing the profile, and the inner corner fixing piece 131 and the outer corner fixing piece 231 are respectively used to position and fasten the replaceable inner forming corner 110 and the outer forming corner 210. Exemplarily, the upper sliding groove 132 and the lower sliding groove 232 can be specifically provided as dovetail grooves, which can have good connection strength and stability for the inner forming corner 110 and the outer forming corner 210, so that they can be connected together without falling off.

[0046] Optionally, the upper adjusting seat 130 and the lower adjusting seat 230 are specifically provided as a frame structure for mounting the inner corner fixing piece 131 and the outer corner fixing piece 231 respectively, and designing a corresponding interface according to the matched stamping equipment.

[0047] Further, the upper adjusting seat 130 is provided with an upper adjustable support rod 133, a head of the upper adjustable support rod 133 abuts against the upper forming panel 120, and the upper adjustable support rod 133 can be extended and retracted to push the upper forming panel 120 to rotate; the lower adjusting seat 230 is provided with a lower adjustable support rod 233, a head of the lower adjustable support rod 233 abuts against the lower forming panel 220, and the lower adjustable support rod 233 can be extended and retracted to push the lower forming panel 220 to rotate. Exemplarily, the upper adjustable support rod 133 can be selected as a plurality of groups of screw rods, a bottom end of each group of screw rods is fixed to the upper adjusting seat 130, a top end of each group of screw rods is provided with a fixer device connected with the forming surface, and the angle of the upper forming panel 120 is controlled by adjusting the length of the screw rod top. Correspondingly, the lower adjustable support rod 233 can also be provided in the same manner as the upper adjustable support rod 133, fixed to the lower adjusting seat 230 and capable of controlling the angle of the lower forming panel 220.

[0048] In the embodiment, the upper forming panel 120 is provided with an upper slide 122 extending from a side of the upper forming panel 120 close to the inner forming angle 110 to a side of the upper forming panel 120 away from the inner forming angle 110, and a head of the upper adjustable support rod 133 is provided with an upper limiting piece 134 slidingly arranged in the upper slide 122; similarly, the lower forming panel 220 is provided with a lower slide 222 extending from a side of the lower forming panel 220 close to the outer forming angle 210 to a side of the lower forming panel 220 away from the outer forming angle 210, and a head of the lower adjustable support rod 233 is provided with a lower limiting piece 234 slidingly arranged in the lower slide 222. Such arrangement can improve the flexibility of angle adjustment. Taking the upper forming module 100 as an example, the head of the upper adjustable support rod 133 is hingedly connected with the upper forming panel 120, which can avoid the upper limiting piece 134 from being stuck in the upper slide 122; the upper adjustable support rod 133 is selected as a screw rod and is provided with a plurality of groups corresponding to the array distribution of the upper forming panel 120, which can further improve the accuracy of angle adjustment.

[0049] Optionally, the upper adjusting seat 130 and the lower adjusting seat 230 are respectively provided with an angle gauge 20, and the adjusting angle of the forming surface can be observed through the angle gauge 20, so that the adjustment of the forming tool has a reference for comparison, improving the adjustment efficiency and accuracy.

[0050] In one specific embodiment of the embodiment, the heating pipeline for manufacturing the L-shaped strip is heated by oil, the specific angle of the adjustable profile is 95°, and the operation method of the staff is as follows: first, the upper forming module 100 and the lower forming module 200 are respectively installed into the stamping equipment, and the upper die and the lower die are aligned; second, the appropriate inner forming angle 110 and the outer forming angle 210 are selected according to the inner and outer R angle values of the strip forming angle, and are slid into the dovetail-shaped groove and are tightly fixed; third, the fixing structure on the back surface of the upper forming panel 120 and the lower forming panel 220 is loosened in sequence, the upper adjustable support rod 133 and the lower adjustable support rod 233 are screwed one by one, and the angle meter 20 is observed at the same time; when the angles on both sides reach 95°, the adjustment is stopped, and the fixing structure is locked; until the four profiles meet the preset angle, the adjustment of the forming tool is completed.

[0051] Further, high-temperature-resistant films are arranged on the lower surface of the upper forming panel 120 and the upper surface of the lower forming panel 220, respectively, and the high-temperature-resistant films are pasted on the profiles to effectively protect the forming effect of the strip. At this point, the strip can be subjected to the stamping and die closing work, the stamping equipment needs to be cooled after completing the die closing and shaping, and finally the formed strip is taken out and inspected whether it meets the rebound requirement. The forming tool can repeat the above steps to be adjusted again according to the profile requirements of the next group of strips to be formed, so as to complete the next group of stamping and shaping work, and the application range is wider.

[0052] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement made in the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A forming tool, characterized in that The utility model relates to a kind of forming module, comprising: Upper forming module (100), the upper forming module (100) includes upper forming panel (120), inner forming angle (110) and upper adjusting seat (130), the inner forming angle (110) is detachably fixed to the upper adjusting seat (130), the upper forming panel (120) is provided with two, two the upper forming panel (120) is located at the two sides of the inner forming angle (110) respectively, the upper adjusting seat (130) can control the upper forming panel (120) with the length direction of the inner forming angle (110) as the axis rotates; Lower forming module (200), the lower forming module (200) includes lower forming panel (220), outer forming angle (210) and lower adjusting seat (230), the outer forming angle (210) is detachably fixed to the lower adjusting seat (230), the lower forming panel (220) is provided with two, two the lower forming panel (220) is located at the two sides of the outer forming angle (210) respectively, the lower adjusting seat (230) can control the lower forming panel (220) with the length direction of the outer forming angle (210) as the axis rotates.

2. The forming tool of claim 1, wherein Two the upper forming panel (120) is symmetrically arranged with the length direction of the inner forming angle (110) as the axis, the upper forming panel (120) is provided with upper synchronous pulley (121) on the side close to the inner forming angle (110), the rotation axis of two the upper synchronous pulley (121) is parallel, and two the upper synchronous pulley (121) synchronously reversely rotates; And / or, two the lower forming panel (220) is symmetrically arranged with the length direction of the outer forming angle (210) as the axis, the lower forming panel (220) is provided with lower synchronous pulley (221) on the side close to the outer forming angle (210), the rotation axis of two the lower synchronous pulley (221) is parallel, and two the lower synchronous pulley (221) synchronously reversely rotates.

3. The forming tool of claim 1, wherein The upper adjusting seat (130) is provided with inner angle fixing part (131), the inner angle fixing part (131) is provided with upper sliding groove (132), and the inner forming angle (110) is slidably arranged in the upper sliding groove (132) along the length direction; And / or, the lower adjusting seat (230) is provided with outer angle fixing part (231), the outer angle fixing part (231) is provided with lower sliding groove (232), and the inner forming angle (110) is slidably arranged in the lower sliding groove (232) along the length direction.

4. The forming tool of claim 1 wherein, The upper adjusting seat (130) is provided with upper adjustable support rod (133), the head of the upper adjustable support rod (133) is in abutment with the upper forming panel (120), and the upper adjustable support rod (133) can be telescopic to push the upper forming panel (120) to rotate; The lower adjusting seat (230) is provided with lower adjustable support rod (233), the head of the lower adjustable support rod (233) is in abutment with the lower forming panel (220), and the lower adjustable support rod (233) can be telescopic to push the lower forming panel (220) to rotate.

5. The forming tool of claim 4, wherein The upper forming panel (120) is provided with an upper slide (122) extending from a side of the upper forming panel (120) close to the inner forming corner (110) to a side of the upper forming panel (120) away from the inner forming corner (110), and a head of the upper adjustable support rod (133) is provided with an upper limiting piece (134) slidingly arranged in the upper slide (122); And / or, the lower forming panel (220) is provided with a lower slide (222) extending from a side of the lower forming panel (220) close to the outer forming corner (210) to a side of the lower forming panel (220) away from the outer forming corner (210), and a head of the lower adjustable support rod (233) is provided with a lower limiting piece (234) slidingly arranged in the lower slide (222).

6. The forming tool of claim 1 wherein, A side of the upper forming panel (120) close to the upper adjusting seat (130) is provided with a heat insulation layer (10); And / or, a side of the lower forming panel (220) close to the lower adjusting seat (230) is provided with a heat insulation layer (10).

7. The forming tool of claim 1 wherein, The inside of the upper forming panel (120) and / or the inside of the lower forming panel (220) is provided with a heating pipeline.

8. The forming tool of claim 1 wherein, The inside of the inner forming corner (110) and / or the inside of the outer forming corner (210) is provided with a heating pipeline.

9. The forming tool of claim 1 wherein, A lower surface of the upper forming panel (120) and / or an upper surface of the lower forming panel (220) is provided with a high-temperature-resistant film.

10. A forming tool according to any one of claims 1 to 9, wherein The upper adjusting seat (130) and / or the lower adjusting seat (230) is provided with an angle gauge (20).

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