Female mold beneficial to stable demolding of product and stamping mold

Abstract

The utility model discloses a female die beneficial to stable demoulding of a product, which comprises a die holder main body, the die holder main body is provided with a female die core and a negative pressure cavity, the female die core is used for forming a workpiece together with a male die, the female die core is provided with a negative pressure suction port communicated with the negative pressure cavity, and the negative pressure suction port is communicated with the negative pressure cavity. And the negative pressure cavity is used for generating negative pressure so as to adsorb a workpiece on the cavity insert. According to the female mold beneficial to stable demolding of the product, the negative pressure can be generated through the negative pressure cavity before the male mold and the female mold are separated from each other, so that the workpiece is adsorbed on the female mold core, the workpiece is prevented from being pulled away by the male mold, the forming quality of the workpiece is improved, and the workpiece can be conveniently and accurately grabbed by a discharging mechanical arm.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, and particularly relates to a female mold and a stamping mold that are beneficial to stable demolding of products. Background Art

[0002] Molds include types such as stamping molds and casting molds.

[0003] In a stamping mold, generally, the female mold is the fixed mold and the male mold is the moving mold. In the existing stamping mold during the demolding process, when the male mold is withdrawn from the female mold, due to the certain friction and adhesion force between the male mold and the workpiece, the workpiece is dragged up from the female mold, resulting in unstable process beats and affecting production consistency and production efficiency. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a female mold and a stamping mold that are beneficial to stable demolding of products, so as to solve one or more technical problems existing in the prior art, and at least provide a beneficial choice or create conditions.

[0005] The technical solution adopted to solve the above technical problems:

[0006] A female mold that is beneficial to stable demolding of products, used for a stamping mold, includes:

[0007] A mold base body is provided with a female mold core and a negative pressure cavity. The female mold core is used to cooperate with the male mold to form a workpiece together. The female mold core is provided with a negative pressure suction port communicated with the negative pressure cavity, and the negative pressure cavity is used to generate negative pressure to adsorb the workpiece on the female mold core.

[0008] As a further improvement of the above technical solution, the negative pressure cavity is connected with a negative pressure generator.

[0009] As a further improvement of the above technical solution, the mold base body is connected with a plurality of positioning and guiding members. The plurality of positioning and guiding members are arranged around the female mold core, and the positioning and guiding members are used to guide the workpiece.

[0010] As a further improvement of the above technical solution, an inclined guiding surface is provided at the end of the positioning and guiding member away from the female mold core, and the inclined guiding surface is used to guide the workpiece to the female mold core.

[0011] As a further improvement of the above technical solution, the positioning and guiding member is detachably connected to the mold base body.

[0012] As a further improvement of the above technical solution, the positioning and guiding member is provided with a waist-shaped groove, and the waist-shaped groove is connected with a first fastener, and the first fastener locks the positioning and guiding member on the mold base body.

[0013] As a further improvement of the above technical solution, a plurality of stroke limit platforms are connected to the die base body, and the plurality of stroke limit platforms are circumferentially and spacedly distributed around the die base body.

[0014] As a further improvement of the above technical solution, the stroke limit platform is detachably connected to the die base body.

[0015] As a further improvement of the above technical solution, a plurality of guide grooves are formed in the die base body, and the plurality of guide grooves are circumferentially and spacedly distributed around the die base body, and the guide grooves are used for inserting the male die of the mold.

[0016] A stamping die includes a male die and the female die described above. The male die is provided with a male die core, and the male die core is adapted to the female die core.

[0017] The beneficial effects of the present utility model are as follows:

[0018] Based on the present utility model, a female die conducive to stable demolding of products is provided. Before the male die and the female die are separated from each other, negative pressure is generated through the negative pressure cavity to adsorb the workpiece on the female die core, avoiding the workpiece being pulled away by the male die, thereby improving the forming quality of the workpiece and facilitating the precise grasping of the workpiece by the blanking manipulator. Description of the Drawings

[0019] The following further describes the present utility model in conjunction with the drawings and embodiments;

[0020] Figure 1 is a schematic structural diagram of a female die conducive to stable demolding of products provided by the present utility model;

[0021] Figure 2 is Figure 1 a partial enlarged view of part A of a female die conducive to stable demolding of products.

[0022] In the figure: 1. Die base body; 11. Female die core; 111. Negative pressure suction port; 12. Negative pressure cavity; 13. Guide groove; 2. Positioning and guiding member; 21. Inclined guiding surface; 22. Waist-shaped groove; 3. First fastener; 4. Stroke limit platform. Detailed Embodiments

[0023] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to visually and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0024] In the description of the present utility model, it should be understood that regarding the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0025] In the description of the present utility model, if there are vocabulary descriptions such as "a number of", its meaning is one or more, and the meaning of multiple is more than two. Understandings such as greater than, less than, exceeding, etc. do not include the base number, and understandings such as above, below, within, etc. include the base number.

[0026] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present utility model in combination with the specific content of the technical solution.

[0027] The present utility model provides a female mold that facilitates stable demolding of a product, which is used for a stamping mold and includes a mold base body 1.

[0028] The mold base body 1 is provided with a female mold core 11 and a negative pressure chamber 12. The female mold core 11 is used to cooperate with the male mold to form a workpiece together. The female mold core 11 is provided with a negative pressure suction port 111 communicating with the negative pressure chamber 12, and the negative pressure chamber 12 is used to generate negative pressure to adsorb the workpiece on the female mold core 11.

[0029] Among them, a female mold that facilitates stable demolding of a product can be a movable mold or a fixed mold, as long as at least one of the female mold and the male mold is a movable mold.

[0030] In this embodiment, the male mold can be located directly above the female mold. The male mold descends and approaches the female mold to complete mold closing, and the male mold ascends and moves away from the female mold to complete mold opening. Or, in other embodiments, both can also be in a vertical manner, and then approach each other horizontally to complete mold closing, and move away from each other to complete mold opening.

[0031] During operation, after the male mold descends and closes with the female mold, the workpiece is stamped and formed by the male mold and the template, and this may cause the workpiece to adhere to or get stuck on the male mold core of the male mold. If the male mold rises away from the female mold and the workpiece adheres to or gets stuck on the male mold core of the male mold, assuming the workpiece luckily falls off under its own gravity, the workpiece will also be irregularly supported by the female mold, which will also cause it to be difficult for the blanking manipulator to accurately grasp the workpiece. Therefore, based on the present utility model, a female mold that facilitates the stable demolding of the product is provided. Before the male mold and the female mold are separated from each other, negative pressure is generated by the negative pressure cavity 12 to adsorb the workpiece on the female mold core 11, preventing the workpiece from being pulled away by the male mold, thereby improving the forming quality of the workpiece and facilitating the accurate grasping of the workpiece by the blanking manipulator.

[0032] In some embodiments, in order to make the female mold have its own negative pressure source, the negative pressure cavity 12 is connected to a negative pressure generator. Among them, the negative pressure generator can be an existing negative pressure generating device such as a vacuum pump or a suction fan. In other embodiments, the negative pressure source can be an independent auxiliary tooling, that is, it does not belong to a part of the mold.

[0033] In some embodiments, the mold base body 1 is connected with a plurality of positioning and guiding members 2. The plurality of positioning and guiding members 2 are arranged around the periphery of the female mold core 11, and the positioning and guiding members 2 are used to guide the workpiece. By positioning and guiding the workpiece through the positioning and guiding members 2, the workpiece can be quickly and accurately placed directly above the female mold core 11 and supported by the female mold core 11, and the phenomenon of workpiece misalignment during the mold closing process of the male mold and the female mold can be avoided. It should be noted that since the plurality of positioning and guiding members 2 are arranged around the periphery of the female mold core 11, the workpiece cannot perform a horizontal deflection movement and cannot be misaligned, so as to ensure the stamping and forming quality of the workpiece. In addition, based on the fact that the feeding process of the workpiece is generally completed by a feeding manipulator, by arranging the plurality of positioning and guiding members 2 around the periphery of the female mold core 11, the workpiece can be automatically positioned and guided, and it can also correct the workpiece when it is slightly skewed.

[0034] In some embodiments, in order to enable the positioning and guiding members 2 to better position and guide the workpiece, especially in the case where the workpiece is slightly skewed, and correct the workpiece, preferably, the end of the positioning and guiding member 2 far from the female mold core 11 is provided with an inclined guiding surface 21, and the inclined guiding surface 21 is used to guide the workpiece to the female mold core 11. With this setting, when the workpiece is released from the feeding manipulator and falls, the workpiece is guided and slides by the plurality of inclined guiding surfaces 21 until it abuts against the side surface of the positioning and guiding member 2 and is limited, and the positioning and limiting of the workpiece are completed. It can be understood that the inclined guiding surface 21 can be a planar structure or an arc-shaped surface structure.

[0035] In some embodiments, the positioning guide member 2 is detachably connected to the mold base body 1. With this arrangement, when the size or model of the workpiece changes, if the male mold and the female mold are still applicable and only the size of the positioning guide member 2 needs to be changed, the positioning guide member 2 can be detached from the mold base body 1, and then a positioning guide member 2 of another size can be replaced. In this way, the applicability of the female mold is enhanced. Additionally, based on the need for the positioning guide member 2 to perform a positioning function, its machining accuracy and installation accuracy requirements are relatively high. Since multiple positioning guide members 2 surround the outer periphery of the female mold core 11, it is likely to result in relatively low installation accuracy. Therefore, detachably mounting the positioning guide member 2 on the mold base body 1 also enables the relative calibration of the positions between multiple positioning guide members 2, thereby meeting the positioning requirements. Moreover, when one of the positioning guide members 2 is damaged, a new positioning guide member 2 can be replaced, thus reducing the maintenance cost. In other embodiments, the positioning guide member 2 can also be integrally formed on the mold base body 1. Although this improves the installation accuracy and guiding accuracy of the positioning guide member 2, the positioning guide member 2 cannot be replaced when it wears, resulting in the service life of the mold base body 1 being affected by the positioning guide member 2.

[0036] In some embodiments, the positioning guide member 2 is provided with a waist-shaped slot 22, and the waist-shaped slot 22 is connected to a first fastener 3. The first fastener 3 locks the positioning guide member 2 on the mold base body 1. With this arrangement, the relative positional relationship between the first fastener 3 and the waist-shaped slot 22 can be adjusted, thereby adjusting the relative positional relationship between multiple positioning guide members 2 to enable multiple positioning guide members 2 to meet the requirements of precise positioning and precise guiding of the workpiece. It can be understood that the length direction and width direction of the waist-shaped slot 22 are perpendicular to the hole depth direction of the waist-shaped slot 22. Among them, the length direction of the waist-shaped slot 22 can be parallel to, perpendicular to, or inclined to the horizontal length direction of the female mold core 11, as long as the waist-shaped slot 22 enables the positioning guide member 2 to have the function of horizontally adjusting its position relative to the female mold core 11. Among them, the first fastener 3 can be a screw, a bolt, a set screw, a screw rod, etc.

[0037] In some embodiments, the mold base body 1 is connected with a plurality of stroke limit platforms 4. The plurality of stroke limit platforms 4 are circumferentially and spacedly distributed around the mold base body 1. The stroke limit platforms 4 are used to abut against the male mold to prevent the male mold core of the male mold from colliding with the female mold core 11 of the female mold, and at the same time, to avoid the male mold core from descending excessively, resulting in the workpiece being stuck on the male mold core.

[0038] In some embodiments, the stroke limiting platform 4 is detachably connected to the die base body 1. Among them, the stroke limiting platform 4 can be fixed to the die base body 1 by screws, or can be connected to the die base body 1 by riveting or tenon and mortise structures. The advantage of such a setting is that since the stroke limiting platform 4 needs to bear a large impact force from the male die, it is prone to cracking. When one of the stroke limiting platforms 4 is damaged, it can be disassembled and replaced with a new one, thus reducing the maintenance cost. In addition, in other embodiments, the stroke limiting platform 4 is fixed to the die base body 1 by a second fastener. The advantage of such a setting is that by adjusting the feed stroke of the second fastener, all the stroke limiting platforms 4 can have the same height, so as to be able to abut against the male die simultaneously after the male die descends. Among them, the second fastener can be a screw, a bolt, a set screw or a screw rod, etc.

[0039] In some embodiments, in order to improve the mold closing accuracy of the male die and the template, the die base body 1 is provided with a plurality of guide grooves 13, and the plurality of guide grooves 13 are circumferentially and spacedly distributed around the die base body 1. The guide grooves 13 are used for inserting the male die of the mold.

[0040] The present utility model also discloses a stamping die. The die includes a male die and a female die. The male die is provided with a male die core, and the male die core is adapted to the female die core 11.

[0041] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0042] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.

[0043] The above is only the specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present application can easily think of various changes or substitutions, and these should all be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A female mold that facilitates stable demolding of a product, used for a stamping die, characterized in that, Comprising: A mold base body, provided with a female mold core and a negative pressure cavity. The female mold core is used to cooperate with the male mold to form a workpiece together. The female mold core is provided with a negative pressure suction port communicating with the negative pressure cavity, and the negative pressure cavity is used to generate negative pressure to adsorb the workpiece on the female mold core.

2. The female mold according to claim 1, characterized in that, The negative pressure cavity is connected with a negative pressure generator.

3. The female mold according to claim 1, characterized in that, The mold base body is connected with a plurality of positioning and guiding members, and the plurality of positioning and guiding members surround the periphery of the female mold core. The positioning and guiding members are used to guide the workpiece.

4. The female mold according to claim 3, characterized in that, An inclined guiding surface is provided at the end of the positioning and guiding member far from the female mold core, and the inclined guiding surface is used to guide the workpiece to the female mold core.

5. The female mold according to claim 3, characterized in that, The positioning and guiding member is detachably connected to the mold base body.

6. The female mold according to claim 5, characterized in that, The positioning and guiding member is provided with a waist-shaped groove, and the waist-shaped groove is connected with a first fastener. The first fastener locks the positioning and guiding member on the mold base body.

7. The female mold according to claim 1, characterized in that, The mold base body is connected with a plurality of stroke limiting platforms, and the plurality of stroke limiting platforms are circumferentially and spacedly distributed around the mold base body.

8. The female mold according to claim 7, characterized in that, The stroke limiting platform is detachably connected to the mold base body.

9. The female mold according to claim 1, characterized in that, The mold base body is provided with a plurality of guiding grooves, and the plurality of guiding grooves are circumferentially and spacedly distributed around the mold base body. The guiding grooves are used for the male mold of the mold to be inserted.

10. A stamping die, characterized in that, Comprising a male mold and the female mold according to any one of claims 1-9. The male mold is provided with a male mold core, and the male mold core is adapted to the female mold core.

Images