Stamping die and die set for steel structure door section bar component

Abstract

The utility model provides a stamping die and a die set for a steel structure door section bar component. The stamping die comprises a first upper die and a first lower die. The bottom face of the first upper die is provided with a first male die part protruding downwards, the front side of the first male die part is flush with the front side face of the first upper die, and a first upper pressing face extending horizontally is arranged on the rear side of the first male die part. A first female die part used for being matched and complementary with the first male die part is defined on the top face of the first lower die, and a first lower pressing face parallel to the first upper pressing face is arranged on the rear side of the first female die part. A receding groove is defined in the front side face of the first upper die and / or the rear side face of the first lower die. The receding groove can contain a part of structure of the profile component provided with the protruding part, the first panel part and the second panel part, interference between the part of structure of the profile component and a stamping die during die assembly is avoided, and then the problems that the stamping forming precision is low and even forming cannot be achieved due to the fact that the turned-over edge of the first panel part interferes with the stamping die are avoided.

Description

Technical Field

[0001] This utility model relates to the field of stamping technology, and in particular to stamping dies and die sets for profile components in steel structure doors. Background Technology

[0002] The inventors have proposed some novel profile components for steel structure doors, such as... Figures 1 to 6 As shown, these profile components mainly consist of a first panel portion 3 and a protrusion 1. Some profile components also have a second panel portion 2 located on the side of the protrusion 1 away from the first panel portion 3. Compared with traditional steel structure door profile components, this profile component is also manufactured by stamping. The difference is that the protrusion 1 on this profile component does not exist in traditional profile components. This causes significant limitations in the forming of this profile component by existing stamping dies. For example, during the forming of the second panel portion 2 on the side of the protrusion 1 away from the first panel portion 3, the flange of the first panel portion 3 will interfere with the stamping die, resulting in low stamping accuracy or even failure to form the component. Therefore, existing stamping dies used for forming flat profile components are prone to poor stamping accuracy or even failure to form the new profile components. Utility Model Content

[0003] In view of the above problems, this utility model is proposed to provide a stamping die and die set for profile components in steel structure doors that overcomes or at least partially solves the above problems. It can solve the problem that existing stamping dies for flat profile components are not suitable for new profile components, thereby improving the production efficiency of new profile components.

[0004] Specifically, this utility model provides a stamping die for profile components in steel structure doors, which is a first type of stamping die. The first type of stamping die includes:

[0005] The first upper die has a downwardly protruding first punch on its bottom surface. The front side of the first punch is flush with the front side of the first upper die, and the rear side of the first punch is provided with a horizontally extending first upper pressing surface.

[0006] The first lower die has a top surface defining a first concave die portion that complements and matches the first convex die portion. A first lower pressure surface, parallel to the first upper pressure surface, is provided on the rear side of the first concave die portion. And,

[0007] A relief groove is defined on the front side of the first upper die and / or on the rear side of the first lower die, the relief groove being used to receive a portion of the profile component.

[0008] Optionally, when a relief groove is defined on the front side of the first upper mold, the relief groove defined on the front side of the first upper mold is a first relief groove, the first relief groove opening forward, and comprising:

[0009] The upper tank wall slopes downwards from front to back, transitioning to the rear tank bottom via a first rounded corner. And / or,

[0010] The lower side wall of the tank is stepped, with a lower front and a higher rear. It has a horizontally extending front wall section and a rear wall section. In the front-rear direction, the width of the front wall section is smaller than the width of the rear wall section. The front wall section is connected to the rear wall section by an inclined stepped surface, which gradually slopes upward from front to back. Furthermore, the lower side wall is connected to the rear bottom of the tank by a second rounded corner.

[0011] Optionally, when a relief groove is defined on the rear side of the first lower mold, the relief groove defined on the rear side of the first lower mold is a second relief groove. The second relief groove is a right-angle stop groove extending left and right, and a bevel located above the second relief groove is defined on the rear side of the first upper mold, so that when the first upper mold and the first lower mold are closed, the bevel and the second relief groove form a rearwardly opening flared mouth.

[0012] Optionally, the stamping die further includes:

[0013] The first bending die has a downward-protruding right-angled portion on its bottom surface, and two such right-angled portions are sequentially connected along the front-to-back direction. The right-angled portions extend along the left-to-right direction.

[0014] The second bending die has a recessed right-angle portion on its top surface that matches and complements the protruding right-angle portion.

[0015] Optionally, a third relief groove is defined on the rear side of the first bending die. The third relief groove opens rearward and includes an upper groove wall that slopes downward from rear to front, transitioning via the rear groove bottom to a lower groove wall that slopes downward from front to rear. And / or,

[0016] A third relief groove is defined on the front side of the first bending die. The third relief groove opens forward and includes an upper groove wall that slopes downward from front to back, which is connected to a lower groove wall that slopes downward from back to front via a first chamfer transition.

[0017] Optionally, the bottom surface of the second bending die has a downwardly protruding second punch portion, the second punch portion having a rectangular vertical cross-section in the front-back direction and extending in the left-right direction.

[0018] The stamping die further includes at least one third bending die, which has a downwardly protruding third punch portion. The third punch portion has a rectangular vertical cross-section in the front-rear direction and extends in the left-right direction. The top surface of one of the third bending dies has a third die portion that matches and complements the second punch portion. When there are multiple third bending dies, the top surfaces of the remaining third bending dies each have a third die portion that matches and complements the third punch portion of the adjacent upper third bending die.

[0019] This utility model also provides a stamping die for profile components in steel structure doors, which is a second type of stamping die. The second type of stamping die includes:

[0020] The lower pressure member has a first pressing part extending backward at a 45° angle at its lower end, and the bottom end of the first pressing part is a right-angled part with a pointed corner protruding downward.

[0021] A support member, the top surface of which has an upward-opening second clamping portion that matches and complements the protruding right-angle portion.

[0022] A relief groove is defined on the rear side of the pressing member and / or the rear side of the support member, the relief groove being used to receive a portion of the profile member.

[0023] Optionally, the bottom of the second pressing part is recessed downward to form a rectangular groove extending in the left-right direction.

[0024] The height of the rectangular groove is 0.2 to 0.8 times the height of the second pressing part.

[0025] Optionally, when a relief groove is defined on the rear side of the pressing member, the relief groove defined on the rear side of the pressing member is a fourth relief groove, which opens rearward and includes an upper groove wall that slopes downward from rear to front, which transitions through the rear groove bottom to a lower groove wall that slopes downward from front to rear, and the lower groove wall is formed by the upper surface of the first pressing part. And / or,

[0026] When a relief groove is defined on the rear side of the support member, the relief groove defined on the rear side of the support member is a fifth relief groove, which opens rearward and includes an upper groove wall that slopes downward from rear to front and is connected to the rear groove bottom via a second rounded corner, and a lower groove wall that slopes downward from front to rear and is connected to the rear groove bottom via a second rounded corner.

[0027] This utility model also provides a mold kit, including:

[0028] The first stamping die includes the first type of stamping die described above.

[0029] The second stamping die includes the second type of stamping die described above.

[0030] In the stamping die of this utility model, a relief groove is provided on the front side of the first upper die and / or the rear side of the first lower die, so that the relief groove can accommodate part of the structure of the profile component with the protrusion, the first panel part and the second panel part, so as to avoid interference between part of the profile component and the first type of stamping die when the die is closed, thereby avoiding the problem that the flange of the first panel part will interfere with the first type of stamping die, causing low stamping accuracy or even failure to form.

[0031] The above and other objects, advantages and features of this utility model will become more apparent to those skilled in the art from the following detailed description of specific embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0032] The following sections will describe some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0033] Figure 1 It is a schematic structural diagram of the profile components of a steel structure door;

[0034] Figure 2 It is a schematic structural diagram of the profile components of a steel structure door;

[0035] Figure 3 It is a schematic structural diagram of the profile components of a steel structure door;

[0036] Figure 4 It is a schematic structural diagram of the profile components of a steel structure door;

[0037] Figure 5 It is a schematic structural diagram of the profile components of a steel structure door;

[0038] Figure 6 It is a schematic structural diagram of the profile components of a steel structure door;

[0039] Figure 7 This is a schematic structural diagram of a stamping die according to an embodiment of the present utility model;

[0040] Figure 8 This is a schematic structural diagram of a stamping die according to an embodiment of the present utility model;

[0041] Figure 9 This is a schematic structural diagram of a stamping die according to an embodiment of the present utility model;

[0042] Figure 10This is a schematic structural diagram of a stamping die according to an embodiment of the present utility model;

[0043] Figure 11 This is a schematic structural diagram of a stamping die according to an embodiment of the present invention.

[0044] List of reference numerals in the attached diagram:

[0045] 1. Protrusion; 2. Second panel; 3. First panel;

[0046] 100. First upper die; 110. First punch; 120. First upper pressing surface; 130. First relief groove; 131. Front wall section; 132. Rear wall section;

[0047] 200, First lower die; 210, First die cavity; 220, First pressing surface; 230, Second relief groove; 231, Bevel;

[0048] 300. First bending die; 310. Protruding right angle part; 320. Third relief groove;

[0049] 400. Second bending die; 410. Recessed right-angle portion; 420. Second punch portion;

[0050] 500. Third bending die; 510. Third punch; 520. Third die.

[0051] 600, pressing part; 610, first pressing part; 620, fourth relief groove;

[0052] 700, Support component; 710, Second clamping part; 711, Rectangular groove; 720, Fifth relief groove. Detailed Implementation

[0053] The following reference Figures 7 to 11 This invention describes a stamping die and die set for profile components in steel structure doors, according to embodiments of the present invention. In this description, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature, that is, include one or more of that feature. In the description of this invention, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified. When a feature "includes or contains" one or more of the features it encompasses, unless otherwise specifically described, this indicates that other features are not excluded and may be further included.

[0054] Unless otherwise expressly specified and limited, the terms "set," "install," "connect," "link," "fix," and "couple" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art should be able to understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0055] Furthermore, in the description of this embodiment, "above" or "below" the second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. That is, in the description of this embodiment, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," or "below" of the second feature can mean the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0056] In the description of this embodiment, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0057] Figure 7 This is a schematic structural diagram of a stamping die according to an embodiment of the present invention, as shown below. Figure 7 As shown, and with reference Figures 8 to 11 This utility model provides a stamping die for profile components in steel structure doors, and the stamping die is a first type of stamping die. The first type of stamping die includes a first upper die 100 and a first lower die 200.

[0058] The bottom surface of the first upper die 100 has a downwardly protruding first punch portion 110, the front side of the first punch portion 110 is flush with the front side of the first upper die 100, and the rear side of the first punch portion 110 is provided with a horizontally extending first upper pressing surface 120.

[0059] The top surface of the first lower die 200 defines a first concave die 210 for matching and complementing the first punch 110, and a first lower pressing surface 220 parallel to the first upper pressing surface 120 is provided on the rear side of the first concave die 210.

[0060] A relief groove is defined on the front side of the first upper mold 100 and / or the rear side of the first lower mold 200, the relief groove being used to receive a portion of the profile component.

[0061] In this embodiment, a relief groove is provided on the front side of the first upper die 100 and / or the rear side of the first lower die 200, so that the relief groove can accommodate part of the structure of the profile component having the protrusion 1, the first panel portion 3, and the second panel portion 2. This avoids interference between part of the profile component and the first type of stamping die during die closing, thereby preventing interference between the flange of the first panel portion 3 and the first type of stamping die, which would lead to low stamping accuracy or even failure to form. This allows the first type of stamping die of this invention to be used for stamping the second panel portion 2 of the profile component located on the side of the protrusion 1 away from the first panel portion 3. At the same time, the parallel design of the first upper pressure surface 120 and the first lower pressure surface 220 ensures a uniform distribution of the die closing pressure, improving forming accuracy and die life.

[0062] The design of the first type of stamping die of this utility model ensures the manufacturing of profile components and also ensures that the stamping of profile components has high precision, thereby improving the production efficiency and product quality of profile components.

[0063] In some embodiments of the first type of stamping die of this utility model, such as Figure 7 and Figure 8 As shown, when a relief groove is defined on the front side of the first upper mold 100, the relief groove defined on the front side of the first upper mold 100 is a first relief groove 130, the first relief groove 130 opens forward, and the first relief groove 130 includes:

[0064] The upper tank wall slopes downwards from front to back, transitioning to the rear tank bottom via a first rounded corner. And / or,

[0065] The lower side wall of the tank is stepped, with a lower front and a higher rear. It has a horizontally extending front wall section 131 and a rear wall section 132. In the front-rear direction, the width of the front wall section 131 is smaller than the width of the rear wall section 132. The front wall section 131 is connected to the rear wall section 132 via an inclined stepped surface, which gradually slopes upward from front to back. Furthermore, the lower side wall is connected to the rear bottom of the tank via a second rounded corner.

[0066] In this embodiment, the upper groove wall slopes downward from front to back and connects to the groove bottom via a first rounded corner. The lower groove wall adopts a stepped design with a lower front and higher rear to increase the clearance space of the first type of stamping die and avoid interference between the profile component and the first type of stamping die. Moreover, the width of the front wall section 131 is smaller than that of the rear wall section 132. Both the upper and lower groove walls are connected to the groove bottom via rounded corners, which enhances the structural strength of the first upper die 100.

[0067] In some embodiments of the first type of stamping die of this utility model, such as Figure 7 and Figure 8 As shown, when a relief groove is defined on the rear side of the first lower mold 200, the relief groove defined on the rear side of the first lower mold 200 is a second relief groove 230. The second relief groove 230 is a right-angle stop groove extending to the left and right. A bevel 231 located above the second relief groove 230 is defined on the rear side of the first upper mold 100, so that when the first upper mold 100 and the first lower mold 200 are closed, the bevel 231 and the second relief groove 230 form a rearward opening flared mouth.

[0068] In this embodiment, when the first upper die 100 and the first lower die 200 are closed, the bevel 231 and the second relief groove 230 together form a rearward-opening flared structure to increase the relief space at the rear of the first type of stamping die, thereby improving the adaptability of the first type of stamping die and making it suitable for forming more complex shaped workpieces, so as to ensure the forming quality and production efficiency of profile components.

[0069] In some embodiments of the first type of stamping die of this utility model, such as Figure 9 As shown, the first type of stamping die also includes a first bending die 300 and a second bending die 400.

[0070] The bottom surface of the first bending die 300 has a downwardly protruding right-angle portion 310, and two protruding right-angle portions 310 are arranged sequentially in the front-to-back direction. The protruding right-angle portions 310 extend in the left-to-right direction.

[0071] The top surface of the second bending die 400 has a recessed right angle portion 410 that matches and complements the protruding right angle portion 310.

[0072] In this embodiment, two protruding right-angle portions 310 are sequentially connected along the front-to-back direction to form a W-shaped structure. The first bending die 300 and the second bending die 400 can fit together tightly to achieve high-precision bending of the profile component. Moreover, the structure of the two protruding right-angle portions 310 allows for simultaneous bending of multiple parts of the profile component, thereby improving forming efficiency when multiple bending structures are required for the profile component.

[0073] In some embodiments of the first type of stamping die of this utility model, such as Figure 9 As shown, a third relief groove 320 is defined on the rear side of the first bending die 300. The third relief groove 320 opens to the rear and includes an upper groove wall that slopes downward from rear to front. It is connected to a lower groove wall that slopes downward from front to rear via a groove bottom that is vertically arranged on the rear side.

[0074] In some embodiments of the first type of stamping die of this utility model, a third relief groove 320 is defined on the front side of the first bending die 300. The third relief groove 320 opens forward and includes an upper groove wall that slopes downward from front to back, which is connected to a lower groove wall that slopes downward from back to front via a groove bottom that is vertically arranged on the rear side.

[0075] In both embodiments described above, a third relief groove 320 is defined on the front or rear side of the first bending die 300, which opens rearward or forward depending on its position. The third relief groove 320 includes inclined upper and lower groove walls, and is connected by a rear groove bottom to form a smooth transition structure. This design provides additional accommodating space for the profile component during bending, avoiding interference between the profile component and the die.

[0076] In some embodiments of the first type of stamping die of this utility model, such as Figure 9 and Figure 10 As shown, the bottom surface of the second bending die 400 has a downwardly protruding second punch 420. The vertical cross-section of the second punch 420 in the front-back direction is rectangular and extends in the left-right direction.

[0077] The first type of stamping die also includes a third bending die 500, the top surface of which has a second concave portion that matches and complements the second punch portion 420.

[0078] In some embodiments of the first type of stamping die of this utility model, such as Figure 9 and Figure 10 As shown, the bottom surface of the second bending die 400 has a downwardly protruding second punch 420. The vertical cross-section of the second punch 420 in the front-back direction is rectangular and extends in the left-right direction.

[0079] The first type of stamping die also includes at least one third bending die 500, which has a downwardly protruding third punch 510. The third punch 510 has a rectangular vertical cross-section in the front-rear direction and extends in the left-right direction. The top surface of one of the third bending dies 500 has a third die portion 520 that matches and complements the second punch 420. When there are multiple third bending dies 500, the top surfaces of the remaining third bending dies 500 each have a third die portion 520 that matches and complements the third punch 510 of the adjacent upper third bending die 500. The width of the third punch 510 of different third bending dies 500 in the front-rear direction can be different.

[0080] In this embodiment, the third bending die 500 is connected to the lower side of the second bending die 400 or another third bending die 500, so that different profile components can be stamped simultaneously between the first bending die 300 and the second bending die 400, between the second bending die 400 and the third bending die 500, and between two adjacent third bending dies 500, thereby improving production efficiency. Furthermore, the specific structures and dimensions of the first bending die 300 and the second bending die 400, as well as between the second bending die 400 and the third bending die 500, and between two adjacent third bending dies 500, are different, meaning the forming surfaces are different. This makes the first type of stamping die widely applicable, increasing the application scenarios of the first type of stamping die.

[0081] This utility model embodiment also provides another stamping die for profile components in steel structure doors, and this stamping die is a second type of stamping die. For example... Figure 11 As shown, the second type of stamping die includes a lower pressing part 600 and a support part 700.

[0082] The lower end of the pressing member 600 has a first pressing part 610 that extends backward at a 45° angle, and the bottom end of the first pressing part 610 is a right-angled part with a pointed corner protruding downward.

[0083] The top surface of the support member 700 has a second clamping part 710 with an upward opening that matches and complements the protruding right angle portion.

[0084] A relief groove is defined on the rear side of the pressing member 600 and / or the rear side of the support member 700, the relief groove being used to receive a portion of the profile member.

[0085] In this embodiment, the rear side of the pressing member 600 and / or the support member 700 is provided with a relief groove, so that the relief groove can accommodate part of the structure of the profile member having the protrusion 1, the first panel part 3 and the second panel part 2, so as to avoid interference between part of the profile member and the second type of stamping die when the mold is closed, thereby avoiding interference between the flange of the first panel part 3 and the second type of stamping die, which would cause low stamping accuracy or even failure to form. This allows the second type of stamping die of this utility model to be used for stamping the second panel part 2 on the side of the protrusion 1 away from the first panel part 3.

[0086] The design of the second type of stamping die of this utility model ensures the manufacturing of profile components and also ensures that the stamping of profile components has high precision, thereby improving the production efficiency and product quality of profile components.

[0087] In some embodiments of the second type of stamping die of this utility model, such as Figure 11 As shown, the bottom of the second pressing part 710 is recessed downward to form a rectangular groove 711 extending in the left-right direction.

[0088] The height of the rectangular groove 711 is 0.2 to 0.8 times the height of the second pressing part 710.

[0089] In this embodiment, the designed rectangular groove 711 provides additional accommodating space for the profile component, preventing interference between the profile component and the die during the stamping process. It also optimizes the stress distribution of the die and reduces stress concentration. The height-to-proportion design of the rectangular groove 711 ensures both the structural strength of the die and the precision and surface quality of the profile component during forming.

[0090] When the height of the rectangular groove 711 is less than 0.2 times the height of the second clamping part 710, the accommodating space is small, which may cause the profile component to interfere with the mold during the stamping process, affecting the forming quality and increasing the risk of mold wear. When the height of the rectangular groove 711 is greater than 0.8 times the height of the second clamping part 710, the structural strength of the mold may be weakened, resulting in uneven stress, and may even cause mold deformation or damage, affecting the forming accuracy and stability of the profile component.

[0091] In some embodiments of the second type of stamping die of this utility model, such as Figure 11 As shown, when a relief groove is defined on the rear side of the pressing member 600, the relief groove defined on the rear side of the pressing member 600 is a fourth relief groove 620. The fourth relief groove 620 opens rearward and includes an upper groove wall that slopes downward from rear to front. It is connected to a lower groove wall that slopes downward from front to rear via the groove bottom on the rear side. The lower groove wall is formed by the upper surface of the first pressing part 610.

[0092] In some embodiments of the second type of stamping die of this utility model, such as Figure 11 As shown, when a relief groove is defined on the rear side of the support member 700, the relief groove defined on the rear side of the support member 700 is a fifth relief groove 720. The fifth relief groove 720 opens to the rear and includes an upper groove wall that slopes downward from rear to front and is connected to the rear groove bottom via a second rounded corner, and a lower groove wall that slopes downward from front to rear and is connected to the rear groove bottom via a second rounded corner.

[0093] In the two embodiments described above, the design of the fourth relief groove 620 and the fifth relief groove 720 avoids interference between the profile component and the second type of stamping die during the stamping process. The design of forming the fourth relief groove 620 by the rearward tilt of the first clamping part 610 reduces the material usage of the second type of stamping die, lowering production costs. Simultaneously, the rounded corner design in the fifth relief groove 720 reduces stress concentration, improving the durability of the second type of stamping die and the forming quality of the profile component.

[0094] In some embodiments of the second type of stamping die of this utility model, a sixth relief groove is defined on the front side of the support member 700. The sixth relief groove is a right-angle stop groove extending to the left and right. A bevel located above the sixth relief groove is defined on the front side of the pressing member 600, so that when the pressing member 600 and the support member 700 are in the mold closing state, the bevel and the sixth relief groove form a rearward opening flared mouth.

[0095] This utility model embodiment also provides a mold set, including a first stamping mold and a second stamping mold.

[0096] The first stamping die includes the first type of stamping die in any of the above embodiments.

[0097] The second stamping die includes the second type of stamping die in any of the above embodiments.

[0098] The first stamping die and the second stamping die are used to stamp different structural shapes of profile components.

[0099] In this embodiment, the recessed groove allows the first type of stamping die and the second type of stamping die to accommodate a portion of the profile component having the protrusion 1, the first panel portion 3, and the second panel portion 2. This avoids interference between the portion of the profile component and the first type of stamping die and the second type of stamping die during die closing. Consequently, it avoids interference between the flange of the first panel portion 3 and the lower stamping die, which could lead to low stamping accuracy or even failure to form the profile. This allows the first type of stamping die and the second type of stamping die of this invention to be used for stamping the second panel portion 2 located on the side of the protrusion 1 away from the first panel portion 3.

[0100] The design of the first and second type of stamping dies of this utility model ensures the manufacturing of profile components and also ensures that the stamping of profile components has high precision, thereby improving the production efficiency and product quality of profile components.

[0101] Therefore, those skilled in the art should recognize that although many exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications conforming to the principles of the present invention can be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. A press die for a profiled member for a steel construction door, characterised in that, include: The first upper die has a downward protruding first punch on its bottom surface. The front side of the first punch is flush with the front side of the first upper die, and the rear side of the first punch is provided with a horizontally extending first upper pressing surface. A first lower die, the top surface of which defines a first concave die portion for mating and complementing the first convex die portion, the rear side of the first concave die portion having a first lower pressing surface parallel to the first upper pressing surface; and A relief groove is defined on the front side of the first upper die and / or on the rear side of the first lower die, the relief groove being used to receive a portion of the profile component.

2. The stamping die according to claim 1, characterized in that, When a relief groove is defined on the front side of the first upper mold, the relief groove defined on the front side of the first upper mold is a first relief groove, the first relief groove opening forward, and comprising: The upper tank wall slopes downwards from front to back, transitioning to the rear tank bottom via a first rounded corner; and / or, The lower side wall of the groove is stepped, with a lower front and a higher rear. It has a horizontally extending front wall section and a rear wall section. The width of the front wall section is smaller than the width of the rear wall section in the front-rear direction. The front wall section is connected to the rear wall section by an inclined step surface, which gradually slopes upward from front to back. The lower side wall is connected to the bottom of the groove by a second rounded corner.

3. The stamping die according to claim 1, characterized in that, When a relief groove is defined on the rear side of the first lower mold, the relief groove defined on the rear side of the first lower mold is a second relief groove. The second relief groove is a right-angle stop groove extending to the left and right, and a bevel is defined on the rear side of the first upper mold above the second relief groove, so that when the first upper mold and the first lower mold are closed, the bevel and the second relief groove form a rearward opening flared mouth.

4. The stamping die according to claim 1, characterized in that, The stamping die also includes: The first bending die has a downward-protruding right-angled portion on its bottom surface, and two of the protruding right-angled portions are connected in sequence along the front-back direction; the protruding right-angled portions extend along the left-right direction. The second bending die has a recessed right-angle portion on its top surface that matches and complements the protruding right-angle portion.

5. The stamping die according to claim 4, characterized in that, A third relief groove is defined on the rear side of the first bending die. The third relief groove opens rearward and includes an upper groove wall that slopes downward from rear to front, which transitions to a lower groove wall that slopes downward from front to rear via the rear groove bottom; and / or, A third relief groove is defined on the front side of the first bending die. The third relief groove opens forward and includes an upper groove wall that slopes downward from front to back, which is connected to a lower groove wall that slopes downward from back to front via a first chamfer transition.

6. The stamping die according to claim 4, characterized in that, The bottom surface of the second bending die has a downward protruding second punch portion, the vertical cross section of the second punch portion in the front-back direction is rectangular, and extends in the left-right direction; The stamping die further includes at least one third bending die, which has a downwardly protruding third punch portion. The third punch portion has a rectangular vertical cross-section in the front-back direction and extends in the left-right direction. The top surface of one of the third bending dies has a third die portion that matches and complements the second punch portion. When there are multiple third bending dies, the top surfaces of the remaining third bending dies each have a third die portion that matches and complements the third punch portion of the adjacent upper third bending die.

7. A press die for a profiled member for use in a steel construction door, characterised in that, include: The lower pressure member has a first pressing part extending backward at a 45° angle at its lower end, and the bottom end of the first pressing part is a right-angled part with a pointed corner protruding downward. A support member, the top surface of which has an upward-opening second clamping portion that matches and complements the protruding right-angle portion; A relief groove is defined on the rear side of the pressing member and / or the rear side of the support member, the relief groove being used to receive a portion of the profile member.

8. The stamping die according to claim 7, characterized in that, The bottom of the second pressing part is recessed downward to form a rectangular groove extending in the left-right direction; The height of the rectangular groove is 0.2 to 0.8 times the height of the second pressing part.

9. The stamping die according to claim 7, characterized in that, When a relief groove is defined on the rear side of the pressing member, the relief groove defined on the rear side of the pressing member is a fourth relief groove. This fourth relief groove opens rearward and includes an upper groove wall that slopes downward from rear to front, which transitions to a lower groove wall that slopes downward from front to rear via a rear groove bottom. This lower groove wall is formed by the upper surface of the first pressing member; and / or, When a relief groove is defined on the rear side of the support member, the relief groove defined on the rear side of the support member is a fifth relief groove, which opens rearward and includes an upper groove wall that slopes downward from rear to front and is connected to the rear groove bottom via a second rounded corner, and a lower groove wall that slopes downward from front to rear and is connected to the rear groove bottom via a second rounded corner.

10. A mold set, characterized by, include: A first stamping die, comprising the stamping die according to any one of claims 1 to 6; The second stamping die includes the stamping die according to any one of claims 7 to 9.

Images