Fine cutting module for hardware products
By using a precision cutting module for hardware products, and utilizing the V-shaped bending and precision cutting structure of the punch positioning insert and punch cutter, the problem of necking and overflow during injection molding after hardware parts are cut is solved, thereby improving product quality and production efficiency.
Patent Information
- Application Number
- CN202520139666.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-20
AI Technical Summary
When hardware parts are cut and then injected, necking and excess glue are prone to occur, resulting in plastic burrs sticking to the finished terminals and affecting product quality.
The precision cutting module using hardware products includes punch positioning inserts and punch cutters. Through V-shaped bending and precision cutting structure, it avoids necking and ensures no glue overflow during injection molding.
It effectively avoids necking and overflow of glue in the injection molding process of hardware products, reduces the risk of burrs, improves product quality and production capacity, and saves costs.
Smart Images
Figure CN223718068U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of hardware processing especially relates to a hardware product's accurate cutting module. BACKGROUND
[0002] Part hardware needs to cut after can carry out injection molding plastic and become integral part, after the conventional cutting, the injection molding plastic can carry out necking overflow glue at the bending position, causes the subsequent finished product terminal to have plastic burr and stick, influences the quality of product. INNOVATION CONTENT
[0003] One purpose of the utility model is to provide a hardware product's accurate cutting module, carries out bending and then accurate cutting to the hardware product, effectively avoids the phenomenon of necking, and also will not overflow glue when injection molding, reduces the process of burr.
[0004] In order to achieve this purpose, the utility model adopts the following technical scheme:
[0005] A hardware product's accurate cutting module, including punch positioning entry, punch cutter and knife edge entry, the middle part of punch positioning entry is provided with upper cutter moving groove along the vertical direction, the punch cutter is movable in the inside of upper cutter moving groove from top to bottom, the lower end of punch positioning entry is convex V type, the middle part of knife edge entry is provided with lower cutter moving groove along the vertical direction, the upper end of knife edge entry is concave V type, the lower end of punch cutter is inserted into lower cutter moving groove after passing through hardware product, the convex V type of punch positioning entry is matched with the concave V type of knife edge entry.
[0006] As a preferred technical scheme, the lower end of punch cutter is provided with long bevel and short bevel, and the long bevel and the short bevel form V-shaped knife edge.
[0007] As a preferred technical scheme, the outer side direction of upper cutter moving groove is provided with limiting groove, the outer side surface of punch cutter is formed with limiting strip, punch cutter is integrally formed with limiting strip, and the limiting strip is movable in limiting groove.
[0008] As a preferred technical scheme, the lower end of limiting groove is at the middle part of punch positioning entry.
[0009] As a preferred technical scheme, punch cutter is installed on the upper die of mould, and knife edge entry is installed on the lower die of mould.
[0010] The utility model discloses a beneficial effect is: provide a kind of fine cutting module of hardware product, the fine cutting module of hardware product is bent to V type to hardware product, simultaneously increase fine cutting structure, effectively avoid necking phenomenon, hardware product subsequent in injection molding also can not appear overflow glue situation, reduce the risk of sticking plastic burr, save cost, improve capacity. BRIEF DESCRIPTION OF DRAWINGS
[0011] The utility model will be further explained in detail according to the drawings and examples.
[0012] Figure 1 The overall structure schematic diagram of the fine cutting module of hardware product described in the example;
[0013] Figure 2 The explosion view of the fine cutting module of hardware product described in the example;
[0014] Figure 3 The sectional view of the fine cutting module of hardware product described in the example;
[0015] Figure 4 The hardware product structure change drawing of the processing process described in the example.
[0016] Figures 1 to 4 In the middle:
[0017] 1, punch positioning into son;2, punch cutter;3, knife edge into son;4, upper cutter moving groove;5, convex V type;6, lower cutter moving groove;7, concave V type;8, V type knife edge;9, limit groove;10, limit strip;11, hardware product. DETAILED DESCRIPTION
[0018] The technical scheme of the utility model will be further explained in combination with the drawings and through specific implementation.
[0019] As Figures 1 to 4 Shown, in the present embodiment, a kind of fine cutting module of hardware product, including punch positioning into son 1, punch cutter 2 and knife edge into son 3, the upper cutter moving groove 4 of the middle part of punch positioning into son 1 is provided along vertical direction, punch cutter 2 is from top to bottom and moves in the inside of upper cutter moving groove 4, the lower end of punch positioning into son 1 is convex V type 5, the middle part of knife edge into son 3 is provided with lower cutter moving groove 6 along vertical direction, the upper end of knife edge into son 3 is concave V type 7, the lower end of punch cutter 2 is inserted into lower cutter moving groove 6 after passing through hardware product 11, the convex V type 5 of punch positioning into son 1 and the concave V type 7 of knife edge into son 3 are matched and assembled.
[0020] Five products are moved to the punch positioning insert 1 and the knife edge insert 3, when the upper die and the lower die are closed, the convex V-shaped 5 of the punch positioning insert 1 and the concave V-shaped 7 of the knife edge insert 3 clamp the hardware product 11 at the same time, so that the side of the hardware product 11 forms a V-shaped bending, the punch cutter 2 slides in the upper cutter moving groove 4 from top to bottom, and the position needing cutting of the hardware product 11 is cut down, the punch cutter 2 is inserted into the lower cutter moving groove 6 of the knife edge insert 3 after cutting the hardware product 11, so that the bending and cutting are completed, the punch positioning insert 1 is lifted, the punch cutter 2 is pulled up, and the hardware product 11 can be taken away.
[0021] The lower end of the punch cutter 2 is provided with a long inclined surface and a short inclined surface, the long inclined surface and the short inclined surface form a V-shaped knife edge 8, the V-shaped knife edge 8 is used for cutting the bending part caused by the convex V-shaped 5 and the concave V-shaped 7, and the shape cooperation is better.
[0022] The outer side of the upper cutter moving groove 4 is provided with a limiting groove 9, the outer side of the punch cutter 2 is formed with a limiting strip 10, the punch cutter 2 is integrally formed with the limiting strip 10, the limiting strip 10 is movably arranged in the limiting groove 9, and the lower end of the limiting groove 9 is located at the middle part of the punch positioning insert 1, in the process that the punch cutter 2 moves downward, in order to ensure that the punch cutter 2 will not be excessively inserted into the knife edge insert 3, the lowermost position of the punch cutter 2 is limited by the lower end limit position of the limiting groove 9.
[0023] The punch cutter 2 is installed on the upper die of the mold, the knife edge insert 3 is installed on the lower die of the mold, the punch cutter 2 moves downward along with the punch positioning insert 1, and the punch cutter 2 can complete cutting when the upper die and the lower die are completely closed.
[0024] It should be noted that the above specific embodiments are only preferred embodiments of the utility model and the technical principles applied, and any changes or replacements easily thought by those skilled in the art within the technical range disclosed by the utility model should be covered in the protection range of the utility model.
Claims
1. A finishing module for hardware products, characterized in that, The punch positioning insert is provided with an upper cutter moving groove in the middle part along the vertical direction, the punch cutter is movable in the inside of the upper cutter moving groove from top to bottom, the lower end of the punch positioning insert is convex V-shaped, the middle part of the knife edge insert is provided with a lower cutter moving groove along the vertical direction, the upper end of the knife edge insert is concave V-shaped, the lower end of the punch cutter is inserted into the lower cutter moving groove after penetrating the hardware product, and the convex V-shaped punch positioning insert is matched and assembled with the concave V-shaped knife edge insert.
2. The finishing module for hardware products according to claim 1, characterized in that, The lower end of the punch cutter is provided with a long inclined surface and a short inclined surface, and the long inclined surface and the short inclined surface form a V-shaped cutter edge.
3. The finishing module of claim 1, wherein: The outside direction of the upper cutter moving groove is provided with a limiting groove, the outside surface of the punch cutter is formed with a limiting strip, the punch cutter is integrally formed with the limiting strip, and the limiting strip is movable in the limiting groove.
4. The finishing module of claim 3, wherein, The lower end of the limiting groove is located in the middle part of the punch positioning insert.
5. The finishing module of claim 1, wherein: The punch cutter is installed on the upper die of a mold, and the knife edge insert is installed on the lower die of the mold.