Double-station die integrating shaping and punching

By integrating forming and punching into a dual-station mold, and utilizing positioning pins and pre-pressing blocks, the quality and precision issues in the forming and punching process of felt blank parts are solved, achieving efficient and low-cost production.

CN223629318UActive Publication Date: 2025-12-05SHANGHAI XINAN CAR DEADENING FELT
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Patent Information

Application Number
CN202422930890.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-05
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Traditional methods for forming felt blanks present quality problems during the forming and punching processes. Furthermore, separating the forming and punching processes requires two sets of molds, resulting in high costs, large equipment requirements, poor precision, and safety hazards.

Method used

The design integrates forming and punching into a dual-station mold. Multiple positioning pins and baffles are set around the upper forming mold on the lower template. Combined with pre-compression blocks and spring structures, this ensures that the positioning pins stably pass through the material, reduces the distance between the forming and punching molds, and improves forming quality and precision.

Benefits of technology

It enables high-quality forming of felt blank parts, reduces mold size and cost, improves operability and safety, and meets the requirements of production equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a double-station die integrating shaping and punching, which comprises an upper die assembly and a lower die assembly, the upper die assembly comprises an upper die plate, a forming upper die and a punching upper die, the forming upper die and the punching upper die are arranged on the upper die plate, and the lower die assembly comprises a lower die plate, a forming lower die and a punching lower die, the forming lower die and the punching lower die are arranged on the lower die plate. The upper forming die corresponds to the lower forming die in position, and the upper punching die corresponds to the lower punching die in position. The lower die plate is further provided with a plurality of positioning pins and baffles, all the baffles are arranged around the forming lower die, the positioning pins are arranged around the forming lower die and located between the forming lower die and the baffles, the upper die plate is provided with receding holes where the positioning pins are inserted, and the positions of the receding holes correspond to the positions of the positioning pins. Compared with the prior art, the positioning device has the advantages that the distance between the forming upper die and the punching upper die can be shortened, the positioning needle can accurately and stably penetrate through materials without forming radial torque, and the forming quality of felt blank type parts in the double-station die can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a double station mould especially to a double station mould of integration of forming and punching. BACKGROUND

[0002] For felt blank parts, the traditional method is integration of forming and punching, which is completed on a die, and the part is punched off because the part feature has not been completely cooled and shaped, and the part will shrink and deform during the cooling and shaping process, which affects the quality of the part.

[0003] Therefore, the subsequent improved technology is to complete the forming and punching in two processes, first form the part feature, and then perform the next punching process after the part feature is completely formed, shaped and cooled, and the finished product is the part, but this method needs to design two sets of molds, which greatly increases the cost of materials.

[0004] If the two molds are combined into one mold, the length in the splicing direction will be too large, which may not meet the requirements of most production equipment, and the operability is poor, the precision is high, the mold precision cannot be guaranteed, and there is a certain safety hazard. UTILITY MODEL CONTENTS

[0005] The utility model discloses a double station mould of integration of forming and punching, through design double station mould, and the multiple positioning needle and baffle that are set up around the forming upper die on the lower die plate can support the edge of material, can reduce the distance between the forming upper die and the punching upper die, ensure that the positioning needle can accurately and stably pass through the material without forming the radial torque, and the forming quality of felt blank parts in the double station mould can be improved.

[0006] The utility model discloses a double station mould of integration of forming and punching, through design double station mould, and the multiple positioning needle and baffle that are set up around the forming upper die on the lower die plate can support the edge of material, can reduce the distance between the forming upper die and the punching upper die, ensure that the positioning needle can accurately and stably pass through the material without forming the radial torque, and the forming quality of felt blank parts in the double station mould can be improved.

[0007] A double station mould of integration of forming and punching, comprising an upper die assembly and a lower die assembly, the upper die assembly comprises an upper die plate, a forming upper die and a punching upper die arranged on the upper die plate, the lower die assembly comprises a lower die plate, a forming lower die and a punching lower die arranged on the lower die plate, the forming upper die and the forming lower die are positionally corresponding, and the punching upper die and the punching lower die are positionally corresponding.

[0008] A plurality of positioning needles and baffle plates are further arranged on the lower die plate, all the baffle plates are arranged around the periphery of the forming lower die, the positioning needles are arranged around the periphery of the forming lower die and located between the forming lower die and the baffle plates, the upper die plate is provided with avoiding holes for inserting the positioning needles, and the positions of the avoiding holes and the positioning needles are corresponding.

[0009] The forming lower die and the forming lower die form a forming cavity after the mold is closed, and the thickness of the forming cavity is consistent with the thickness of the part to be formed.

[0010] The forming upper die comprises a plurality of first upper die cavities, the forming lower die comprises a plurality of first lower die blocks, and the positions of each first upper die cavity and each first lower die block are one-to-one corresponding.

[0011] The punching upper die comprises a plurality of second upper die cavities, the punching lower die comprises a plurality of second lower die blocks, and the positions of each second upper die cavity and each second lower die block are one-to-one corresponding.

[0012] The positions of each first upper die cavity and each second upper die cavity are one-to-one corresponding.

[0013] The punching upper die further comprises a plurality of pre-pressing blocks consistent with the number of the second upper die cavities, each pre-pressing block is arranged in each second upper die cavity, and a spring is arranged on the second upper die cavity, one end of the spring is fixed on the surface of the second upper die cavity facing the pre-pressing block, the other end of the spring is connected to the side of the pre-pressing block facing the second upper die cavity, and the axis of the spring is parallel to the closing direction, and the pre-pressing block presses the part on the second lower die block, and the punching of the part is completed by the second upper die cavity and the second lower die block.

[0014] Four springs are arranged on the second upper die cavity.

[0015] A guide column is further arranged on the second upper die cavity, and the guide column is connected to the second upper die cavity and the pre-pressing block.

[0016] The second upper die cavity and the first upper die cavity are both provided with four, and are arranged in a cross shape.

[0017] The forming upper die and the punching upper die are arranged side by side.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. By designing the double-station die, and arranging a plurality of positioning pins and baffles on the lower die plate around the forming upper die, the edge of the material can be supported, the distance between the forming upper die and the punching upper die can be reduced, the positioning pins can accurately and stably penetrate the material without forming a radial moment, and the forming quality of the felt blank part in the double-station die can be improved.

[0020] 2. Based on the pre-pressing block pressing the part in advance before punching, the formed part can ensure the positioning accuracy of the part during punching, and since the pre-pressing block is arranged in the second upper die cavity, other fixing mechanisms are not needed, the occupied area of the punching upper die and the punching lower die can be reduced, and the size of the double-station die can be reduced.

[0021] 3. By setting four springs, buffering is provided on the whole plane, so that stability can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of the upper die assembly;

[0023] Figure 2 is a structural schematic view of the lower die assembly;

[0024] Figure 3 is a structural schematic view of the upper die assembly;

[0025] Figure 4 is a sectional view of a certain position;

[0026] Figure 5 is a sectional view of another position;

[0027] Wherein: 1, upper die assembly, 2, lower die assembly, 3, cavity, 1-1, upper die plate, 1-2, forming upper die, 1-3, punching upper die, 1-4, avoiding hole, 1-5, positioning block, 1-6, pre-pressing spring, 1-7, pre-pressing rod, 1-8, guide rod, 2-1, lower die plate, 2-2, forming lower die, 2-3, punching lower die, 2-4, positioning needle, 2-5, baffle, 1-3-1, second upper die cavity, 1-3-2, pre-pressing block, 1-3-3, spring, 1-3-4, guide column. DETAILED DESCRIPTION

[0028] The utility model will be explained in detail below in combination with the drawings and specific embodiments. The embodiment is implemented on the premise of the technical scheme of the utility model, and detailed implementation mode and specific operation process are given, but the protection scope of the utility model is not limited to the following examples.

[0029] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0030] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model 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 a limitation on this utility model. Furthermore, the terms "proximal end," "farthest end," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Physical quantities in formulas, unless otherwise specified, should be understood as basic quantities of the International System of Units (SI) base units, or derived quantities derived from basic quantities through mathematical operations such as multiplication, division, differentiation, or integration.

[0031] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 utility model based on the specific circumstances.

[0033] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0034] A dual-station mold that integrates forming and punching, such as Figure 1 As shown, it includes an upper mold assembly 1 and a lower mold assembly 2, as follows: Figure 3 As shown, the upper mold assembly 1 includes an upper template 1-1 and a forming upper mold 1-2 and a punching upper mold 1-3 disposed on the upper template 1-1, as follows: Figure 2 As shown, the lower die assembly 2 includes a lower template 2-1 and a forming lower die 2-2 and a punching lower die 2-3 disposed on the lower template 2-1. The forming upper die 1-2 and the forming lower die 2-2 are in corresponding positions, and the punching upper die 1-3 and the punching lower die 2-3 are in corresponding positions.

[0035] like Figure 4As shown, the lower mold plate 2-1 is also provided with a plurality of positioning pins 2-4 and baffles 2-5, all the baffles 2-5 are arranged around the periphery of the forming lower mold 2-2, the positioning pins 2-4 are arranged around the periphery of the forming lower mold 2-2 and are located between the forming lower mold 2-2 and the baffles 2-5, the upper mold plate 1-1 is provided with a avoiding hole 1-4 for inserting the positioning pins 2-4, and the position of the avoiding hole 1-4 corresponds to the position of the positioning pins 2-4.

[0036] By designing a double-station mold, and arranging a plurality of positioning pins 2-4 and baffles 2-5 around the forming upper mold 1-2 on the lower mold plate 2-1, the edge of the material can be supported, thereby reducing the distance between the forming upper mold 1-2 and the punching upper mold 1-3, while ensuring that the positioning pins 2-4 can accurately and stably penetrate the material without forming a radial moment, and the forming quality of the felt blank parts in the double-station mold can be improved.

[0037] Like most of the existing forming molds, the forming lower mold 2-2 and the forming lower mold 2-2 form a forming cavity 3 after the mold is closed, and the thickness of the cavity 3 is consistent with the thickness of the part to be formed.

[0038] In addition, in this embodiment, the forming upper mold 1-2 includes a plurality of first upper mold cavities, the forming lower mold 2-2 includes a plurality of first lower mold blocks, and the positions of each first upper mold cavity and each first lower mold block correspond one by one.

[0039] In addition, in this embodiment, like the forming part, the punching upper mold 1-3 includes a plurality of second upper mold cavities 1-3-1, the punching lower mold 2-3 includes a plurality of second lower mold blocks, and the positions of each second upper mold cavity and each second lower mold block correspond one by one, and the positions of each first upper mold cavity and each second upper mold cavity 1-3-1 correspond one by one, so that the material can be directly transferred from the forming mold to the punching mold, which is more efficient.

[0040] In addition, in this embodiment, as shown, Figure 5 The punching upper mold 1-3 also includes a plurality of pre-pressing blocks 1-3-2 corresponding to the number of second upper mold cavities 1-3-1, each pre-pressing block 1-3-2 is arranged in each second upper mold cavity 1-3-1, and each second upper mold cavity 1-3-1 is provided with a spring 1-3-3, one end of the spring 1-3-3 is fixed to the surface of the second upper mold cavity 1-3-1 facing the pre-pressing block 1-3-2, the other end is connected to the side of the pre-pressing block 1-3-2 facing the second upper mold cavity 1-3-1, and the axis of the spring 1-3-3 is parallel to the closing direction, and after the pre-pressing block 1-3-2 presses the part on the second lower mold block, the punching of the part is completed by the second upper mold cavity 1-3-1 and the second lower mold block. Thus, based on the pre-pressing block 1-3-2, the occupied area of the punching upper mold 1-3 and the punching lower mold 2-3 can be reduced, thereby reducing the size of the double-station mold.

[0041] In the embodiment, the second upper die cavity 1-3-1 is provided with four springs 1-3-3, and the second upper die cavity 1-3-1 is further provided with guide columns 1-3-4, the guide columns 1-3-4 are connected with the second upper die cavity 1-3-1 and the pre-pressing block 1-3-2 respectively, so that the stability of the movement of the pre-pressing block 1-3-2 can be improved based on the four springs 1-3-3 and the guide columns 1-3-4. Specifically, the guide columns 1-3-4 can adopt the form of telescopic rods.

[0042] In addition, the second upper die cavity 1-3-1 and the first upper die cavity are both provided with four, and are arranged in a cross shape, so that the area utilization rate of the upper die plate 1-1 can be improved.

[0043] In addition, in the embodiment, the forming upper die 1-2 and the punching upper die 1-3 are arranged side by side.

[0044] In addition, in the embodiment, the upper die assembly 1 further includes positioning blocks 1-5, as shown in Figure 3 The plurality of positioning blocks 1-5 realize positioning from the four directions of up, down, left and right, so that all the upper die cavities can be aligned with the corresponding lower die blocks.

[0045] In addition, as shown in Figure 3 In the embodiment, the upper die assembly 1 further includes four pre-pressing springs 1-6 and two pre-pressing rods 1-7, the two pre-pressing rods 1-7 are cross-staggered to form a cross in the middle of the cross, and the two ends of the two pre-pressing rods are respectively provided with sliding blocks, the pre-pressing springs 1-6 are sleeved on guide rods 1-8, the sliding blocks are also sleeved on the guide rods 1-8, the pre-pressing springs 1-6 drive the sliding blocks to move towards the direction of the lower die, so as to drive the two pre-pressing rods 1-7 to move towards the direction of the lower die to realize pre-pressing of the material, so as to avoid the phenomenon of part breakage caused by insufficient material tensile property.

[0046] The present application can combine the forming and punching two processes into one mold without changing the forming and then punching process, the left side of the mold is a formed part, and the right side of the mold is a punched part. Only one mold is needed during production, only one production equipment is occupied, and the mold needs to be replaced only once.

Claims

1. A two-station die integrating forming and blanking, comprising an upper die assembly and a lower die assembly, characterized in that, The upper die assembly comprises an upper die plate, a forming upper die and a punching upper die arranged on the upper die plate, the lower die assembly comprises a lower die plate, a forming lower die and a punching lower die arranged on the lower die plate, the forming upper die and the forming lower die are in position correspondence, and the punching upper die and the punching lower die are in position correspondence. The lower die plate is further provided with a plurality of positioning pins and baffles, all the baffles are arranged around the periphery of the forming lower die, the positioning pins are arranged around the periphery of the forming lower die and located between the forming lower die and the baffles, the upper die plate is provided with avoiding holes into which the positioning pins are inserted, and the positions of the avoiding holes and the positions of the positioning pins are in correspondence.

2. The integrated die and trim dual station die of claim 1, wherein, The forming lower die and the forming lower die form a forming cavity after the mold is closed, and the thickness of the forming cavity is consistent with the thickness of the part to be formed.

3. The integrated die and trim dual station die of claim 1, wherein, The forming upper die comprises a plurality of first upper die cavities, the forming lower die comprises a plurality of first lower die blocks, and the positions of each first upper die cavity and each first lower die block are in one-to-one correspondence.

4. The integrated die and trim dual station die of claim 3, wherein, The punching upper die comprises a plurality of second upper die cavities, the punching lower die comprises a plurality of second lower die blocks, and the positions of each second upper die cavity and each second lower die block are in one-to-one correspondence.

5. The integrated die and trim dual station die of claim 4, wherein, The positions of each first upper die cavity and each second upper die cavity are in one-to-one correspondence.

6. The integrated die and trim dual station die of claim 4, wherein, The punching upper die further comprises a pre-pressing block consistent with the number of second upper die cavities, each pre-pressing block is arranged in each second upper die cavity, and the second upper die cavity is provided with a spring, one end of the spring is fixed to the surface of the second upper die cavity facing the pre-pressing block, the other end is connected to the side of the pre-pressing block facing the second upper die cavity, and the axis of the spring is parallel to the closing direction, the pre-pressing block presses the part on the second lower die block, and the punching of the part is completed by the second upper die cavity and the second lower die block.

7. The integrated die and trim dual station die of claim 6, wherein, The second upper die cavity is provided with four springs.

8. The integrated die and trim dual station die of claim 6, wherein, The second upper die cavity is further provided with a guide column, and the guide column is connected to the second upper die cavity and the pre-pressing block.

9. The integrated punch and trim dual station die of claim 4, wherein, The second upper die cavity and the first upper die cavity are both provided with four, and are arranged in a herringbone shape.

10. The integrated die and trim dual station die of claim 1, wherein, The forming upper die and the punching upper die are arranged side by side.