Novel stamping die

Abstract

The utility model discloses a novel stamping die which comprises an upper die, a lower die and a die block, the upper die comprises an upper pressing ring, the upper die can move up and down under the action of a punch, the lower die is sleeved outside the fixedly arranged die block and comprises a lower pressing ring corresponding to the upper pressing ring in position, and the lower pressing ring can move up and down. When the stamping head moves downwards, the upper pressing ring and the lower pressing ring can clamp the stamping part to abut against the module and deform. The device is reasonable in structure, good in use flexibility and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping production technical field, concretely to a novel stamping die. BACKGROUND

[0002] Stamping is a metal processing method, usually used in batch production, this method utilizes die and punch press to deform flat plate material (usually metal plate) plastically, forms the shape required. The prior art is that the upper die and the lower die are male die and female die respectively, the stamping cavity is formed together, the production manufacturing cost is high, and the adaptability is poor, a die can usually be used only for stamping of one product. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a novel stamping die, it solved the prior art stamping die cost high, the technical problem of poor adaptability, with rational structure, good and low cost of using flexibility technical effect. The technical scheme adopted is as follows:

[0004] A novel stamping die, including upper die, lower die and module, the upper die includes upper pressure ring, the upper die can be displaced up and down under the action of punch, the lower die is set outside the module of fixed setting and includes the lower pressure ring corresponding with the position of upper pressure ring, the lower pressure ring is set up and can be displaced up and down, when the punch head is displaced downward, the upper pressure ring and lower pressure ring can hold stamping piece and module abutment and occur deformation.

[0005] On the basis of the above technical scheme, the lower die is arranged on the punch press base, and the module is detachably connected with the punch press base.

[0006] On the basis of the above technical scheme, the hydraulic cylinder is fixedly arranged on the punch press base, and the piston rod of the hydraulic cylinder is connected with the lower die upward.

[0007] On the basis of the above technical scheme, the upper pressure ring has two and is arranged up and down, and the two upper pressure rings are connected through a plurality of upper vertical columns, the lower pressure ring has two and is arranged up and down, and the two lower pressure rings are connected through a plurality of lower vertical columns.

[0008] On the basis of the above technical scheme, the end surface of the lower pressure ring facing the upper pressure ring is partially recessed downward to form a groove, and the end surface of the upper pressure ring facing the lower pressure ring is partially protruded outward to form a convex part matched with the groove, so as to guide the upper pressure ring and the lower pressure ring to clamp the stamping piece.

[0009] On the basis of the above technical scheme, the end surface area of the upper pressure ring or the lower pressure ring clamping the stamping piece comprises a wear-resistant layer, so as to stably clamp the stamping piece.

[0010] On the basis of the above technical scheme, the end face of the lower pressing ring facing the upper pressing ring is provided with a plurality of circumferentially arranged pressure sensors, which are used for monitoring the pressing force of the upper pressing ring on the lower pressing ring and can send signals to an external controller.

[0011] On the basis of the above technical scheme, the external controller is further electrically connected with an alarm, which sends an alarm signal when the pressing force value monitored by any two pressure sensors exceeds the set range value.

[0012] Advantages

[0013] The utility model discloses a reasonable structure, and the upper pressing ring and the lower pressing ring are sleeved on the module, and the upper pressing ring and the lower pressing ring can clamp the stamping part and the module abuts and occurs plastic deformation, which not only simplifies the structure and reduces the cost, but also is good in flexibility, and different modules can be adapted to stamp different shapes of finished products, and in addition, the upper pressing ring and the lower pressing ring of different inner diameters can be adapted to be applied to stamping of stamping parts of different sizes, and the adaptability is good.

[0014] In the utility model, the end face of the upper pressing ring and the lower pressing ring is provided with a groove and a convex part respectively, so that the upper pressing ring and the lower pressing ring can be guided to clamp the stamping part well, and in addition, a plurality of circumferentially arranged pressure sensors are further included, and an alarm signal can be sent in time when the upper pressing ring or the lower pressing ring occurs position deviation during stamping. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only one embodiment of the utility model, and for those skilled in the art, other embodiment drawings can be obtained according to the provided drawings without creative labor.

[0016] Figure 1 The utility model discloses a three-dimensional structure schematic diagram;

[0017] Figure 2 The utility model discloses a main view section structure schematic diagram; DETAILED DESCRIPTION

[0018] The following description and drawings are illustrative of specific embodiments thereof and are not intended to limit the scope of the embodiments. Parts and features of some embodiments can be included or substituted in other embodiments. The scope of the embodiments described herein is encompassed by the entire scope of the claims, and all available equivalents of the claims. Herein, the terms "first", "second", and the like, are used to distinguish one element from another, and do not require or imply any actual relationship or order between such elements. In fact, the first element could be named the second element and, conversely, the second element could be named the first element. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a structure, device, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such structure, device, or apparatus. An element proceeded by "comprises... a" does not, without more restrictions, exclude the existence of additional identical elements in the structure, device, or apparatus that includes the element. Various embodiments are described in a progressive manner, each focusing on the differences from other embodiments, and the same or similar parts between various embodiments can be referred to each other.

[0019] The terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate the orientation or positional relationship shown in the drawings, and are used herein and in the description only to facilitate the description and simplify the description, 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, and therefore cannot be understood as a limitation on the present application. In the description herein, unless otherwise specified and limited, the terms "mount", "connect", "connection" should be interpreted broadly, for example, it can be a mechanical connection or an electrical connection, it can be a communication between two elements, it can be a direct connection or an indirect connection through an intermediate medium, and the specific meaning of the above terms can be understood by those skilled in the art according to the specific circumstances.

[0020] Herein, the term "multiple" means two or more, unless otherwise specified.

[0021] Herein, the character " / " represents an "or" relationship between the objects before and after it. For example, A / B means: A or B.

[0022] Herein, the term "and / or" is a description of the relationship between the objects, which means that there can be three relationships. For example, A and / or B means: A or B, or, A and B, the three relationships.

[0023] As Figures 1-2A new stamping die is shown, which comprises an upper die 1, a lower die 2 and a module 3.

[0024] The upper die 1 comprises two upper pressing rings 11 arranged vertically, and a plurality of upper vertical columns 12 are arranged between the two upper pressing rings 11, in the embodiment, the upper pressing ring 11 close to the lower die 2 comprises an upper fixed ring 111 and an upper movable ring 112, wherein the upper fixed ring 111 is fixedly connected with the plurality of upper vertical columns 12, and the upper movable ring 112 is detachably connected with the upper fixed ring 111. The upper die 1 is fixedly connected with a punch and can be vertically displaced under the action of the punch;

[0025] As shown in the figure, Figure 2 the lower die 2 comprises two lower pressing rings 21 arranged vertically, and a plurality of lower vertical columns 22 are arranged between the two lower pressing rings 21, in the embodiment, the lower pressing ring 21 close to the upper pressing ring 11 comprises a lower fixed ring 211 and a lower movable ring 212, wherein the lower fixed ring 211 is fixedly connected with the plurality of lower vertical columns 22, and the lower movable ring 212 is detachably connected with the lower fixed ring 211, so that the upper movable ring 112 or the lower movable ring 212 with a suitable inner diameter can be matched according to the demand, and the flexibility of use is good. The lower die 1 is arranged on a punch holder 4, and the punch holder 4 is arranged to face the punch. The hydraulic cylinder (not shown) is fixedly arranged on the punch holder 4, and the piston rod of the hydraulic cylinder is connected with the lower die 2 upward to drive the lower die 2 to vertically displace.

[0026] The module 3 is arranged on the punch holder 4 through a base, and the module 3 is detachably connected with the base downward to use the appropriate module 3 according to the stamping demand, as shown in the figure, Figure 2 when the punch head is displaced downward, the upper pressing ring 11 and the lower pressing ring 21 can clamp the stamping part to abut against the module 3 and plastically deform to complete the stamping operation.

[0027] As shown in the figure, Figure 2 the end surface of the lower pressing ring 21 facing the upper pressing ring 11 is partially concave downward to form a groove, and the end surface of the upper pressing ring 11 facing the lower pressing ring 21 is partially convex outward to form a convex part matched with the groove, so as to guide the cooperation of the upper pressing ring 11 and the lower pressing ring 21 to clamp the stamping part, avoid the radial swing of the upper die 1 or the lower die 2 caused by vibration during stamping, and be beneficial to guarantee the stability and continuity of the stamping process. In addition, the end surface area of the upper pressing ring 11 or the lower pressing ring 21 clamping the stamping part comprises a wear-resistant layer, so as to reduce the abrasion of the end surface area caused by the friction between the stamping part and the end surface area during stamping, be beneficial to stably clamp the stamping part, and be beneficial to improve the service life of the upper pressing ring and the lower pressing ring.

[0028] In addition, the end face of the lower pressing ring 21 facing the upper pressing ring is provided with a plurality of circumferentially arranged pressure sensors for monitoring the pressing force of the upper pressing ring 11 on the lower pressing ring 21 and sending signals to an external controller. The external controller is also electrically connected with an alarm, which sends an alarm signal when the pressing force value monitored by any two pressure sensors exceeds the set range value.

[0029] The utility model is described above by way of example, but the utility model is not limited to the above specific embodiments, any modification or change based on the utility model belongs to the range of the utility model claimed.

Claims

1. A novel stamping die characterized by, The device comprises an upper die (1), a lower die (2) and a module (3), the upper die (1) comprises an upper pressing ring (11), the upper die (1) can be displaced up and down under the action of a punch, the lower die (2) is sleeved outside the fixed module (3) and comprises a lower pressing ring (21) corresponding to the position of the upper pressing ring (11), the lower pressing ring (21) is arranged to be displaced up and down, when the punch is displaced downward, the upper pressing ring (11) and the lower pressing ring (21) can clamp the stamping part and abut against the module (3) and be deformed; The end surface of the lower pressing ring (21) facing the upper pressing ring (11) is partially recessed downward to form a groove, and the end surface of the upper pressing ring (11) facing the lower pressing ring (21) is partially protruded outward to form a convex part matched with the groove, so as to guide the cooperation of the upper pressing ring (11) and the lower pressing ring (21) to clamp the stamping part.

2. The novel stamping die according to claim 1, characterized in that, The lower die (2) is arranged on a punch holder (4), and the module (3) is detachably connected with the punch holder (4).

3. The novel stamping die according to claim 2, characterized in that, The punch holder (4) is fixedly provided with a hydraulic cylinder, and the piston rod of the hydraulic cylinder is connected with the lower die (2) upward.

4. The novel stamping die according to claim 1, characterized in that, The upper pressing ring (11) has two upper and lower arrangements, and the two upper pressing rings (11) are connected through a plurality of upper vertical columns (12), and the lower pressing ring (21) has two upper and lower arrangements, and the two lower pressing rings (21) are connected through a plurality of lower vertical columns (22).

5. The novel stamping die according to any one of claims 1 to 4, characterized by The end surface area of the upper pressing ring (11) or the lower pressing ring (21) clamping the stamping part comprises a wear-resistant layer to stabilize the clamping of the stamping part.

6. The novel stamping die according to any one of claims 1 to 4, characterized by The end surface of the lower pressing ring (21) facing the upper pressing ring (11) is provided with a plurality of pressure sensors arranged in a circumferential direction, the pressure sensors are used for monitoring the pressing force of the upper pressing ring (11) on the lower pressing ring (21) and can send signals to an external controller.

7. The novel stamping die according to claim 6, characterized in that, The external controller is further electrically connected with an alarm, when the pressing force values monitored by any two pressure sensors exceed the set range value, the alarm sends an alarm signal.

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