A kettle spout stretching mold

Abstract

This utility model relates to a kettle spout stretching mold, solving the problems of easy deformation and poor stamping quality of existing metal kettle spouts. It includes an upper mold assembly and a lower mold assembly that cooperates with the upper mold assembly. The upper mold assembly includes an upper mold base with an upper mold core at its bottom. The lower mold assembly includes a lower mold base, a spring column, a lower mold core, and a lower mold frame. During forming, the cylindrical kettle is first inserted into the kettle support. As the upper mold base moves downward, the upper positioning arc surface on the upper mold core and the lower positioning arc surface on the lower mold frame clamp the lower part of the kettle. The upper mold base continues to move downward, driving the lower mold frame downward as well. During this downward movement, the spring column is compressed, pressing the kettle firmly to prevent displacement. Then, the top of the lower mold core enters the positioning groove of the lower mold core, and the upper mold for the kettle spout on the lower mold core and the upper mold for the kettle spout on the upper mold core close together, forming the kettle spout. Throughout the process, the kettle is stably positioned and does not shift, resulting in stable and regular stamping with good stamping quality.

Description

Technical Field

[0001] This utility model relates to the field of mechanical manufacturing technology, specifically to a kettle spout stretching mold. Background Technology

[0002] See the existing molds for forming the spout of metal kettles. Figure 1 It typically includes an upper mold core and a lower mold core. The lower mold core is inserted into the kettle, and then the upper mold core and the lower mold core are closed to stamp the spout. This stamping method can easily cause the kettle to slide during stamping, resulting in an irregular spout and easy deformation, which affects the product quality. Utility Model Content

[0003] The purpose of this invention is to solve the problems of easy deformation and poor stamping quality of the spout of existing metal kettles.

[0004] The technical solution adopted to solve the technical problem proposed by this utility model is as follows: The kettle spout stretching mold of this utility model includes an upper mold assembly and a lower mold assembly that cooperates with the upper mold assembly. The upper mold assembly includes an upper mold base, and an upper mold core is provided at the bottom of the upper mold base. The lower mold assembly includes a lower mold base, a spring column, a lower mold core, and a lower mold frame. One end of the spring column is connected to the lower mold base, and the other end is connected to the lower mold frame. The lower mold core is fixed on the lower mold base, and the lower mold frame and the lower mold core are slidably connected vertically. The lower mold core is located in the middle of the lower mold frame. The lower mold frame has a lower mold core positioning hole that slides with the lower mold core. The lower mold frame has a kettle bracket for inserting into the kettle and for horizontally hanging the kettle. The kettle bracket has a lower positioning arc surface that mates with the inner side of the kettle. The upper mold core has an upper positioning arc surface corresponding to the lower positioning arc surface that mates with the outer side of the kettle. The lower mold core has a lower kettle spout mold located inside the kettle bracket. The upper mold core has an upper kettle spout mold that mates with the lower kettle spout mold. The upper mold base has a lower mold core positioning groove that mates with the top of the lower mold core.

[0005] The technical solutions that further define this utility model include: The elastic column is a polyurethane elastic column.

[0006] The elastic pillars are circular pillars located at the four corners of the lower mold base.

[0007] The lower mold frame is provided with an upper mounting hole for inserting the upper end of the elastic column, and the lower mold base is provided with a lower mounting hole for inserting the lower end of the elastic column.

[0008] The upper mold base is provided with an upper mold base positioning hole, and the lower mold frame is provided with a lower mold frame positioning hole that cooperates with the upper mold base positioning hole.

[0009] Through the above technical solution, the beneficial effects of this utility model are as follows: When forming the kettle spout stretching mold of this utility model, the cylindrical kettle is first inserted into the kettle support. During the downward movement of the upper mold base, the upper positioning arc surface on the upper mold core and the lower positioning arc surface on the lower mold frame first clamp the lower part of the kettle. The upper mold base continues to move downward, and the upper mold base drives the lower mold frame to move downward together. During the downward movement, the elastic column is compressed, and the kettle is pressed tightly and will not move. Then, the top of the lower mold core enters the positioning groove of the lower mold core, and the upper mold of the kettle spout on the lower mold core and the upper mold of the kettle spout on the upper mold core close together, so that the kettle spout is stamped and formed. During the whole process, the kettle is positioned stably and will not move, the stamping is stable and regular, and the stamping quality is good. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of a prior art mold for stretching the spout of a kettle, which is a utility model.

[0011] Figure 2 This is a three-dimensional structural diagram of a kettle spout stretching mold according to the present invention.

[0012] Figure 3 This is a cross-sectional structural diagram of a kettle spout stretching mold according to the present invention.

[0013] Figure 4 This is an exploded structural diagram of a kettle spout stretching mold according to the present invention.

[0014] Figure 5 This is an exploded structural diagram of a kettle spout stretching mold according to the present invention.

[0015] The components include: upper mold assembly 1, upper mold base 11, lower mold core positioning groove 111, upper mold base positioning hole 112, upper mold core 12, upper positioning arc surface 121, upper mold for spout 122, lower mold assembly 2, lower mold base 21, lower mounting hole 211 for elastic column, elastic column 22, lower mold core 23, lower mold for spout 231, lower mold frame 24, kettle bracket 241, lower positioning arc surface 2411, lower mold frame positioning hole 242, lower mold core positioning hole 243, and upper mounting hole 244 for elastic column. Detailed Implementation

[0016] The structure of this utility model will be further described below with reference to the accompanying drawings.

[0017] Reference Figures 2 to 5A kettle spout stretching die includes an upper die assembly 1 and a lower die assembly 2 that cooperates with the upper die assembly 1. The upper die assembly 1 includes an upper die base 11, and an upper die core 12 is provided at the bottom of the upper die base 11. The lower die assembly 2 includes a lower die base 21, elastic pillars 22, a lower die core 23, and a lower die frame 24. In this embodiment, the upper die base 11 is provided with an upper die base positioning hole 112, and the lower die frame 24 is provided with a lower die frame positioning hole 242 that cooperates with the upper die base positioning hole 112. The upper die base and the lower die frame can be positioned by guide pillars inserted into the upper die base positioning hole 112 and the lower die frame positioning hole 242. One end of the elastic pillar 22 is connected to the lower die base, and the other end is connected to the lower die frame 24. In this embodiment, the elastic pillar 22 is a polyurethane elastic pillar 22. The elastic pillar 22 is a circular pillar located at the four corners of the lower die base. The lower mold frame 24 has an upper mounting hole 244 for inserting the upper end of the elastic column, and the lower mold base 21 has a lower mounting hole 211 for inserting the lower end of the elastic column. The upper end of the elastic column 22 is inserted into the upper mounting hole 244, and the lower end is inserted into the lower mounting hole 211 for positioning. The lower mold core 23 is fixed on the lower mold base, and the lower mold frame 24 and the lower mold core 23 are slidably connected vertically. The lower mold core 23 is located in the middle of the lower mold frame 24. The lower mold frame 24 has a lower mold core positioning hole 243 that slides with the lower mold core 23, allowing the lower mold frame 24 to slide vertically along the lower mold core 23. The lower mold frame 24 has a water bottle bracket 241 for inserting into a water bottle for horizontal hanging of the water bottle. The water bottle bracket 241 has a lower positioning arc surface 2411 that mates with the inner side of the water bottle. The mold core 12 has an upper positioning arc surface 121 that mates with the outer side of the kettle, corresponding to the lower positioning arc surface 2411. When the kettle is inserted horizontally into the kettle holder, the lower positioning arc surface 2411 fits against the inner side of the kettle. The lower mold core 23 has a lower kettle spout mold 231, which is located inside the kettle holder 241. The upper mold core 12 has an upper kettle spout mold 122 that mates with the lower kettle spout mold 231. The upper mold base 11 has a lower mold core positioning groove 111 that mates with the top of the lower mold core 23.

[0018] In the forming process of this utility model's kettle spout stretching die, the cylindrical kettle is first inserted into the kettle support 241, with the lower positioning arc surface 2411 fitting against the inner side of the kettle. As the upper die base 11 moves downward, the upper positioning arc surface 121 on the upper die core 12 and the lower positioning arc surface 2411 on the lower die frame 24 clamp the kettle. The upper die base 11 continues to move downward, driving the lower die frame 24 downward as well. During this downward movement, the elastic column 22 is compressed, keeping the kettle pressed and preventing it from shifting. Then, the top of the lower die core 23 enters the lower die core positioning groove 111, and the upper kettle spout die 122 on the lower die core 23 and the upper kettle spout die 122 on the upper die core 12 close together, forming the kettle spout. After stamping, the upper die base moves upward to open the die, and the elastic column 22 rebounds, resetting the lower die frame. Throughout the stamping process, the kettle is stably positioned and does not shift, resulting in stable and regular stamping with good quality.

[0019] Although specific embodiments of the present invention have been described in detail with reference to the accompanying drawings, this should not be construed as limiting the scope of protection of the present invention. Various modifications and variations that can be made by those skilled in the art without inventive effort within the scope described in the claims still fall within the scope of protection of the present invention.

Claims

1. A kettle spout stretching mold, comprising an upper mold assembly and a lower mold assembly cooperating with the upper mold assembly, characterized in that: The upper mold assembly includes an upper mold base, with an upper mold core at the bottom of the upper mold base. The lower mold assembly includes a lower mold base, a spring column, a lower mold core, and a lower mold frame. One end of the spring column is connected to the lower mold base, and the other end is connected to the lower mold frame. The lower mold core is fixed on the lower mold base, and the lower mold frame and the lower mold core are slidably connected. The lower mold core is located in the middle of the lower mold frame. The lower mold frame has a lower mold core positioning hole that slidably engages with the lower mold core. The lower mold frame has a kettle bracket for inserting into the kettle for horizontal hanging. The kettle bracket has a lower positioning arc surface that engages with the inner side of the kettle. The upper mold core has an upper positioning arc surface corresponding to the lower positioning arc surface that engages with the outer side of the kettle. The lower mold core has a lower spout mold located inside the kettle bracket. The upper mold core has an upper spout mold that engages with the lower spout mold. The upper mold base has a lower mold core positioning groove that engages with the top of the lower mold core.

2. The kettle spout stretching mold as described in claim 1, characterized in that: The elastic column is a polyurethane elastic column.

3. The kettle spout stretching die as described in claim 1, characterized in that: The elastic pillars are circular pillars located at the four corners of the lower mold base.

4. The kettle spout stretching mold as described in claim 1, characterized in that: The lower mold frame is provided with an upper mounting hole for inserting the upper end of the elastic column, and the lower mold base is provided with a lower mounting hole for inserting the lower end of the elastic column.

5. The kettle spout stretching mold as described in claim 1, characterized in that: The upper mold base is provided with an upper mold base positioning hole, and the lower mold frame is provided with a lower mold frame positioning hole that cooperates with the upper mold base positioning hole.

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