A continuous die structure of a lockset bracket

Abstract

The utility model discloses a continuous die structure of lock support, is equipped with first mould and second mould on continuous die, is equipped with cutting die group for forming product profile on first mould, is equipped with forming die group for bending the multiple side edges of product on second mould. The utility model discloses through being equipped with first mould and second mould that are independent but share upper die holder and lower die holder on continuous die, and being equipped with cutting die group and forming die group on first mould and second mould respectively, can realize the continuous forming lock support on continuous die, and through setting up two groups of bending module that can simultaneously punch out / bend two opposite side walls of product on forming die group, can further improve product forming efficiency, and moreover can be replaced in the mould between the left and right / upper and lower support of lock through the mode of direct replacement or reassembling first mould and second mould, convenient operation reduces the auxiliary production working hours of production deployment, and can greatly reduce the management cost of production, improves production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of stamping die technology, and in particular to a continuous stamping die structure for a lock bracket. Background Technology

[0002] Locks typically have two symmetrical (or vertically symmetrical) lock supports, with each support having three bent sides. In production, a common method is to use a single set of blanking dies, then transfer the blanks to the dies for bending and shaping the left and right supports separately. This process is time-consuming and labor-intensive, requiring coordination of the punch press and the assembly of three sets of dies, making it difficult to improve efficiency and resulting in high production management costs. Summary of the Invention

[0003] To address the problems existing in the prior art, this utility model provides a continuous die structure for lock brackets, enabling continuous forming of lock brackets on a continuous die, improving product forming efficiency, and facilitating quick replacement between dies for the left / right or upper / lower brackets of the lock. This convenient operation significantly reduces production management costs and improves production efficiency. To solve the above technical problems, this utility model adopts the following technical solution:

[0004] A continuous punching die structure for a lock bracket, wherein the continuous punching die is mounted between an upper die base and a lower die base, a sheet metal moving forward along the X direction is mounted on the continuous punching die, and a first die and a second die are sequentially arranged along the X direction on the continuous punching die, wherein:

[0005] The first mold is equipped with a cutting module, which is used to punch out the outline and holes of the product on the sheet metal;

[0006] The second mold is provided with a forming module, on which a first bending module, a second bending module and a cutting module are arranged along the X direction. The first bending module is used to simultaneously bend the two X-direction sides of the product, and the second bending module is used to bend the two Y-direction sides of the product. The cutting module is used to cut the product off the strip.

[0007] As a further explanation of the above technical solution:

[0008] In the above technical solution, the second mold includes a second upper ejector plate and a second lower template. The second lower template is adapted to the material strip and the product structure thereon. The second upper ejector plate is movably mounted below the upper mold base by a limiting member and can be translated relative to it along the mold closing direction when the mold is closed. The first bending module includes two punches, a first punch and a second punch, mounted on the upper mold base along the X direction and extending along the mold closing direction. Both the first punch and the second punch can pass through the second upper ejector plate and cut and bend the two X-direction sidewalls of the product on the second lower template when the mold is closed. The second lower template has a first insert and a second insert that are adapted to the first punch and the second punch respectively. The second bending module includes two punches, a third punch and a fourth punch, mounted on the upper mold base along the Y direction and extending along the mold closing direction. Both the third punch and the fourth punch can pass through the second upper ejector plate and bend the two Y-direction sidewalls of the product on the second lower template when the mold is closed. The second lower template has a third insert and a fourth insert that are adapted to the third punch and the fourth punch respectively.

[0009] In the above technical solution, an inverted L-shaped cutting part is formed on the side wall of the first punch facing the second punch, and a forming slope extending obliquely towards the upper part of the first punch is formed on the side wall of the second punch facing the first punch. A slider is slidably installed inside the second insert, and the slider is provided with a guide slope adapted to the forming slope. The slider is connected to an elastic element provided on the lower die base and can slide along the X direction in the second insert under the action of its rebound force.

[0010] In the above technical solution, the cutting module includes a set of one or more matching cutting punches and cutting inserts. The cutting punches are disposed on the upper mold base and / or the lower mold base, and the cutting inserts are disposed on the second upper stripper plate and / or the second lower template plate.

[0011] In the above technical solution, the first mold includes a first upper ejector plate and a first lower mold plate. The first upper ejector plate is movably mounted on the upper mold base by a limiting member and can be translated relative to it along the mold closing direction when the mold is closed. The upper mold base and / or the lower mold base are provided with one or more cutting punches extending along the mold closing direction. Each cutting punch can pass through the first upper ejector plate to cut the sheet material placed on the first lower mold plate when the mold is closed. The first lower mold plate and / or the first upper ejector plate are formed with a plurality of cutting inserts that are adapted to each of the cutting punches.

[0012] In the above technical solution, the second mold is also provided with clearance modules on both sides of the forming module in the X direction. The clearance modules include clearance inserts provided on the second lower template and / or the second upper stripper plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting a first mold and a second mold that are independent of each other but share an upper mold base and a lower mold base on the continuous mold, and setting a cutting module and a forming module on the first mold and the second mold respectively, the lock bracket can be continuously formed on the continuous mold. By setting two sets of bending modules on the forming module that can simultaneously punch / bend the two opposite side walls of the product, the product forming efficiency can be further improved. Moreover, the replacement between the molds of the left and right / upper and lower brackets of the lock can be quickly carried out by directly replacing or reassembling the first mold and the second mold. The operation is convenient, the auxiliary production time of production allocation is reduced, and the production management cost can be significantly reduced and the production efficiency can be improved. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the front view when the mold is closed in this embodiment;

[0015] Figure 2 This is a schematic diagram of the structure of the first punch and the second punch in this embodiment;

[0016] Figure 3 This is a top view of the lock's left support mold in this embodiment;

[0017] Figure 4 This is a top view of the right bracket mold of the lock in this embodiment.

[0018] In the diagram: 01, First mold; 02, Second mold; 10, Upper mold base; 20, Lower mold base; 30, Material strip; 40, Product; 40A, Left support; 40B, Right support; 50, First upper ejector plate; 60, First lower template; 70, Second upper ejector plate; 80, Second lower template; 90, Stripper plate; 100, Lower template; 4, First punch; 101: Cutting part; 2, Second punch; 201, Forming slope; 3, First insert; 4, Second insert; 5, Third punch; 6, Fourth punch; 7, Third insert; 8, Fourth insert; 9, Slider; 901, Guide slope. Detailed Implementation

[0019] The present invention will now be described in further detail with reference to the accompanying drawings.

[0020] The embodiments described with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this application. Furthermore, 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 one or more of that feature. In the description of this application, "several" or "more than" means two or more, unless otherwise explicitly specified. In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. In this application, unless otherwise expressly specified and limited, "above" or "below" a 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. Furthermore, "above," "over," and "on top" of a second feature includes the first feature 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," and "under" of a second feature includes the first feature 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.

[0021] like Figure 1 As shown, a continuous punching die structure for a lock bracket is provided. The continuous punching die is mounted between an upper die base 10 and a lower die base 20. A sheet metal 30 moving forward along the X direction is mounted on the continuous punching die. A first die 01 and a second die 02 are sequentially arranged on the continuous punching die along the X direction, wherein:

[0022] The first mold 01 is equipped with a cutting module, which is used to punch the outline and holes of the product 40 on the sheet metal 30.

[0023] The second mold 02 is equipped with a forming module, on which a first bending module, a second bending module and a cutting module are arranged along the X direction. The first bending module is used to simultaneously bend the two X-direction sides of the product 40, and the second bending module is used to bend the two Y-direction sides of the product 40. The cutting module is used to cut the product 40 off the strip 30.

[0024] like Figure 1 As shown, the first mold 01 includes a first upper ejector plate 70 and a first lower mold plate 80. The first upper ejector plate 70 is movably mounted on the upper mold base 10 by a limiting member and can be translated relative to it in the mold closing direction when the mold is closed. The upper mold base 10 and / or the lower mold base 20 are provided with one or more cutting punches extending in the mold closing direction. Each cutting punch can pass through the first upper ejector plate 70 to cut the sheet metal 30 placed on the first lower mold plate 80 when the mold is closed. The first lower mold plate 80 and / or the first upper ejector plate 70 are formed with a plurality of cutting inserts that are adapted to the cutting punches one by one.

[0025] like Figure 1 As shown, the second mold 02 includes a second upper ejector plate 50 and a second lower mold plate 60. The second lower mold plate 60 is structurally adapted to the strip 30 and the product 40 on it. The second upper ejector plate 50 is movably mounted below the upper mold base 10 by a limiting member and can be translated relative to it along the mold closing direction when the mold is closed. The first bending module includes two punches, a first punch 1 and a second punch 2, which are mounted on the upper mold base 10 along the X direction and extend along the mold closing direction. Both the first punch 1 and the second punch 2 can pass through the second upper ejector plate 50 when the mold is closed and respectively cut and bend the two X-direction sidewalls of the product 40 on the second lower mold plate 60. The second lower mold plate 60 has shapes that are respectively aligned with the first punch 1 and the second punch 2. The second mold includes a first insert 3 and a second insert 4; the second bending module includes two third punches 5 and 6 mounted along the Y direction on the upper mold base 10 and extending along the mold closing direction. Both the third punches 5 and 6 can pass through the second upper ejector plate 50 and bend the two Y-direction sidewalls of the product 40 on the second lower mold plate 60 during mold closing. The second lower mold plate 60 has third inserts 7 and 8 that are compatible with the third punches 5 and 6. The cutting module includes one or more matching cutting punches and inserts. The cutting punches are located on the upper mold base 10 and / or the lower mold base 20, and the cutting inserts are located on the second upper ejector plate 50 and / or the second lower mold plate 60. In this embodiment, the second mold 02 also has clearance modules on both sides of the forming module in the X direction. The clearance modules can coordinate the production time avoidance between the forming module and the cutting module, release stress, and reduce the probability of sheet metal breakage. In this embodiment, the air-avoiding module includes air-avoiding inserts disposed on the second lower template 60 and / or the second upper stripper plate 50.

[0026] Figure 2The diagram shows the structure of the first punch 1 and the second seed 2 in this embodiment. The first punch 1 has an inverted L-shaped cutting part 101 on its side wall facing the second punch 2. The two ends of the cutting part 101 and the junction of its horizontal arm and vertical arm are smoothly connected. The second punch 2 has a forming slope 201 that extends obliquely upward toward the first punch 1 on its side wall facing the first punch 1. A slider 9 is slidably installed in the second insert 4, and the slider 9 has a guide slope 901 that matches the forming slope 201. The slider 9 is connected to the elastic element provided on the lower mold base 20 and can slide in the X direction in the second insert 4 under the action of its rebound force. When the mold is closed, the first punch 1 and the second punch 2 punch the product 40 from the left and right sides respectively. The forming slope 201 and the guide slope 901 cooperate to bend one side wall of the product 40. The cutting part 101 cuts the opposite side wall of the product 40 and its vertical side wall can restrict the displacement of the product 40. The first punch 1 and the second punch 2 cooperate to simultaneously and accurately punch and bend the two opposite side walls of the product 40.

[0027] This invention enables continuous forming of lock brackets on a continuous die by setting a first mold 01 and a second mold 02 on a progressive die, which are independent of each other but share an upper mold base 10 and a lower mold base 20. A cutting module and a forming module are respectively set on the first mold 01 and the second mold 02. Furthermore, by setting two sets of bending modules on the forming module that can simultaneously punch / bend the two opposite sidewalls of the product, the bending forming efficiency of the product can be further improved. Moreover, the mold for the left support of the lock can be quickly changed to the mold for the right support of the lock by directly replacing or reassembling the first mold and the second mold. This is convenient to operate, reduces auxiliary production time for production scheduling, is highly efficient, and can significantly reduce production management costs and improve production efficiency.

[0028] Figure 3-4 The diagram shows a top view of the molds for forming the left and right brackets of the lock in this embodiment. It can be seen that since the two brackets are mirror images of each other, the mold for the right bracket can be obtained by flipping and rotating the upper stripper plate and lower template on the first mold 01 and the second mold 02 in the mold of the left bracket by 180° and then assembling and adjusting them appropriately. The manufacturing cost is low and it is easy to quickly switch between the two molds, which significantly reduces the manufacturing cost and improves the production efficiency.

[0029] The above does not limit the technical scope of this utility model. Any modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of this utility model shall still fall within the scope of the technical solution of this utility model.

Claims

1. A continuous punching die structure for a lock bracket, wherein the continuous punching die is mounted between an upper die base and a lower die base; characterized in that, The continuous punching die holds a sheet metal moving forward along the X direction, and the continuous punching die is provided with a first die and a second die sequentially along the X direction, wherein: The first mold is equipped with a cutting module, which is used to punch out the outline and holes of the product on the sheet metal; The second mold is provided with a forming module, on which a first bending module, a second bending module and a cutting module are arranged along the X direction. The first bending module is used to simultaneously bend the two X-direction sides of the product, and the second bending module is used to bend the two Y-direction sides of the product. The cutting module is used to cut the product off the strip.

2. The continuous punching die structure for a lock bracket according to claim 1, characterized in that, The second mold includes a second upper ejector plate and a second lower template. The second lower template is adapted to the material strip and the product structure thereon. The second upper ejector plate is movably mounted below the upper mold base by a limiting member and can be translated relative to it along the mold closing direction when the mold is closed. The first bending module includes two punches, a first punch and a second punch, mounted on the upper mold base along the X direction and extending along the mold closing direction. Both the first punch and the second punch can pass through the second upper ejector plate and cut and bend the two X-direction sidewalls of the product on the second lower template when the mold is closed. The second lower template has a first insert and a second insert that are adapted to the first punch and the second punch respectively. The second bending module includes two punches, a third punch and a fourth punch, mounted on the upper mold base along the Y direction and extending along the mold closing direction. Both the third punch and the fourth punch can pass through the second upper ejector plate and bend the two Y-direction sidewalls of the product on the second lower template when the mold is closed. The second lower template has a third insert and a fourth insert that are adapted to the third punch and the fourth punch respectively.

3. The continuous punching die structure for a lock bracket according to claim 2, characterized in that, The first punch has an inverted L-shaped cutting portion formed on its sidewall facing the second punch, and the second punch has a forming slope extending upward toward the first punch on its sidewall facing the first punch. A slider is slidably mounted inside the second insert, and the slider has a guide slope adapted to the forming slope. The slider is connected to an elastic element provided on the lower die base and can slide in the X direction inside the second insert under the action of its rebound force.

4. The continuous punching die structure for a lock bracket according to claim 2, characterized in that, The cutting module includes a set of one or more matching cutting punches and cutting inserts. The cutting punches are disposed on the upper die base and / or the lower die base, and the cutting inserts are disposed on the second upper stripper plate and / or the second lower die plate.

5. The continuous punching die structure for a lock bracket according to claim 1, characterized in that, The first mold includes a first upper ejector plate and a first lower mold plate. The first upper ejector plate is movably mounted on the upper mold base by a limiting member and can be translated relative to it in the mold closing direction when the mold is closed. The upper mold base and / or the lower mold base are provided with one or more cutting punches extending in the mold closing direction. Each cutting punch can pass through the first upper ejector plate to cut the sheet material placed on the first lower mold plate when the mold is closed. The first lower mold plate and / or the first upper ejector plate are formed with a plurality of cutting inserts that are adapted to each of the cutting punches.

6. The continuous punching die structure for a lock bracket according to claim 4, characterized in that, The second mold is also provided with clearance modules on both sides of the forming module in the X direction. The clearance modules include clearance inserts provided on the second lower template and / or the second upper stripper plate.

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