Arc chute shaping device
By designing the arc chute shaping device, the parts are positioned and shaped by using the lifting mechanism and positioning slides, the problem of the chute shrinking of the parts after sintering is solved and the yield of the parts is improved.
Patent Information
- Application Number
- CN202422073898.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The sintered parts are caused by gravity and stress to shrink the arc chute, causing the parts to be distorted and affecting the parts yield.
An arc sliding groove shaping device is designed, including a base, a lower module and a plastic insert. The arc-shaped bump on the plastic insert is driven into the sliding groove by a lifting mechanism for shaping, and the parts are positioned and shaped by positioning sliders and positioning bumps.
The yield of parts is improved, and the rapid shaping of arc chute defects is achieved, ensuring stable production of parts.
Smart Images

Figure CN223210282U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of parts shaping tooling, and more particularly relates to an arc chute shaping device. Background Art
[0002] Currently, consumers have higher and higher requirements for consumer electronics. MIM parts are increasingly used in precision electronic parts. There are more and more parts with complex structures, and the requirements for the size of parts are becoming more and more stringent. MIM metal injection molding, sintered parts will be affected by shrinkage, gravity, friction, stress and other forces.
[0003] like Figure 5 The part shown has a symmetrical structure with arc-shaped chutes on both sides. After sintering, the part is prone to collapse under the action of gravity. The release of its internal stress will also cause the part to twist, especially the inward shrinkage of the arc chute, resulting in a very low yield rate in the part sintering process and inability to carry out stable production, which affects the part yield rate. Utility Model Content
[0004] In view of the deficiencies of the prior art, the utility model provides a device for shaping the arc-shaped chute of a part, thereby improving the part yield.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circular arc slide shaping device, comprising a base, a lower module is arranged on the base, a shaping mold cavity corresponding to the part is arranged on one side of the lower module, one side of the shaping mold cavity is open, a positioning slider is arranged on the side of the shaping mold cavity provided with the lower module, the positioning slider is slidably connected to the base, a plurality of positioning protrusions corresponding to the parts are arranged on the side of the positioning slider facing the shaping mold cavity, a shaping through hole is arranged above the shaping mold cavity, a shaping insert corresponding to the shaping through hole is arranged above the base, an arc-shaped shaping protrusion is arranged on the end of the shaping insert facing the shaping mold cavity, and a lifting mechanism is connected to the shaping insert.
[0006] Furthermore, it also includes an upper module, the shaping insert is fixedly connected to the upper module, and the lifting mechanism is connected to the upper module.
[0007] Furthermore, two symmetrical shaping cavities are provided on the same side of the lower module, and the positioning slider is provided with positioning protrusions corresponding to the two shaping cavities, and the upper module slides horizontally relative to the lower module.
[0008] Furthermore, the upper module or the base slides horizontally relative to the base or the upper module and is connected to a driving mechanism.
[0009] Furthermore, two shaping inserts are provided on the upper module, and respectively correspond to two shaping mold cavities.
[0010] Compared with the prior art, the beneficial effects of the present invention are: during shaping, the part is placed in the shaping mold cavity, the positioning block slides to support the part, and then the shaping insert is driven by the lifting mechanism to descend, and the arc-shaped shaping protrusion is pressed into the arc-shaped chute, so that the arc-shaped chute can be shaped, and the parts with defects in the arc-shaped chute can be quickly shaped, thereby improving the part yield. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic structural diagram of the arc chute shaping device of the utility model;
[0012] Figure 2 This is a structural diagram of the base and lower module in the arc chute shaping device of the utility model;
[0013] Figure 3 This is a schematic structural diagram of the shaping insert in the circular arc chute shaping device of the present invention;
[0014] Figure 4 This is a structural diagram of the positioning slider in the circular arc chute shaping device of the utility model;
[0015] Figure 5 It is a structural diagram of the parts;
[0016] Figure 6 This is a structural diagram of the lower arc chute shaping device of Example 2 of the present utility model.
[0017] Reference numerals: base 1; lower module 2; shaping cavity 3; positioning slider 4; positioning protrusion 5; shaping through hole 6; shaping insert 7; shaping protrusion 8; upper module 9; slide 10; part 11; arc-shaped slide 12. DETAILED DESCRIPTION
[0018] In the description of the present invention, it should be noted that, for directional words, such as the terms "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and so on, indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific protection scope of the present invention.
[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Therefore, the terms "first" and "second" may explicitly or implicitly refer to one or more of these features. In the description of this utility model, "several" and "a number" mean two or more, unless otherwise specifically defined.
[0020] Reference Figures 1 to 6 The utility model is further described.
[0021] Example 1:
[0022] A circular arc groove shaping device includes a base 1, a lower module 2 is arranged on the base 1, and a shaping mold cavity 3 corresponding to a part 11 is arranged on one side of the lower module 2, and one side of the shaping mold cavity 3 is open. The lower module 2 is provided with a positioning slider 4 on one side of the shaping mold cavity 3, and the positioning slider 4 is slidably connected to the base 1. The positioning slider 4 is provided with a plurality of positioning protrusions 5 corresponding to the parts 11 on the side facing the shaping mold cavity 3, and a shaping through hole 6 is provided above the shaping mold cavity 3. A shaping insert 7 corresponding to the shaping through hole 6 is provided above the base 1, and an arc-shaped shaping protrusion 8 is provided on the end of the shaping insert 7 facing the shaping mold cavity 3, and a lifting mechanism is connected to the shaping insert 7 (not shown in the drawings).
[0023] like Figures 1 to 5 As shown, when the part 11 is being shaped, the positioning slider 4 is removed, the side of the part 11 is aligned with the shaping cavity 3 on the lower module 2, and the part 11 is placed in the shaping cavity 3, so that the arc-shaped chute 12 on one side of the part 11 is facing upward and aligned with the shaping through-hole 6, and then the positioning block slides, and the part 11 is supported by a number of positioning protrusions 5. At the same time, one of the positioning protrusions 5 and the inner top of the shaping cavity 3 are pressed against both sides of the arc-shaped chute 12, and then the shaping insert 7 is driven by the lifting mechanism to descend, and after passing through the shaping through-hole 6, the arc-shaped shaping protrusion 8 on the shaping insert 7 is pressed into the arc-shaped chute 12, and the arc-shaped chute 12 can be shaped;
[0024] After shaping, the shaping insert 7 rises, the positioning slider 4 moves out again, and the shaped part 11 is taken out from the shaping cavity 3;
[0025] The component 11 with a defective arc-shaped chute 12 can be quickly reshaped, thereby improving the yield rate of the component 11.
[0026] In this embodiment, the shaping device can be placed as a whole on a hydraulic press, and the lifting mechanism is the hydraulic piston on the hydraulic press.
[0027] like Figure 1As shown, in this embodiment, it is preferred that an upper module 9 is further included, the shaping insert 7 is fixedly connected to the upper module 9, and the lifting mechanism is connected to the upper module 9.
[0028] like Figure 2 As shown, in this example, preferably, two symmetrical shaping cavities 3 are provided on the same side of the lower module 2, and positioning protrusions 5 corresponding to the two shaping cavities 3 are provided on the positioning slider 4, and the upper module 9 slides horizontally relative to the lower module 2.
[0029] When both symmetrical arc-shaped chutes 12 of the part 11 have defects, the part 11 is shaped in one shaping cavity 3 and taken out, and then placed in another shaping cavity 3, and the operation is repeated to shape the other arc-shaped chute 12.
[0030] like Figure 4 As shown, in this example, preferably, the positioning block slider is T-shaped, a slide groove 10 is provided on the base 1, and the lower end of the positioning slider 4 extends into the slide and is slidably connected with the slide groove 10.
[0031] In this example, the upper module 9 or the base 1 preferably slides horizontally relative to the base 1 or the upper module 9 and is connected to a driving mechanism (not shown in the drawings). When one of the arc-shaped slide grooves 12 is shaped, the upper module 9 or the base 1 is moved to align the shaped insert 7 with the other arc-shaped slide groove 12.
[0032] Example 2:
[0033] A circular arc chute shaping device includes a base 1, a lower module 2 is provided on the base 1, a shaping mold cavity 3 corresponding to a part 11 is provided on one side of the lower module 2, and one side of the shaping mold cavity 3 is open. A positioning slider 4 is provided on the side of the lower module 2 provided with the shaping mold cavity 3, and the positioning slider 4 is slidably connected to the base 1. The positioning slider 4 is provided with a plurality of positioning protrusions 5 corresponding to the parts 11 on the side facing the shaping mold cavity 3. A shaping through hole 6 is provided above the shaping mold cavity 3, and a shaping insert 7 corresponding to the shaping through hole 6 is provided above the base 1. An arc-shaped shaping protrusion 8 is provided on the end of the shaping insert 7 facing the shaping mold cavity 3, and a lifting mechanism is connected to the shaping insert 7.
[0034] like Figure 6 As shown, in this embodiment, preferably, two shaping inserts 7 are provided on the upper module 9, and they correspond to two shaping cavities 3 respectively, so that the arc-shaped slide grooves 12 of two parts 11 can be shaped at the same time.
[0035] Other technical features of this embodiment are the same as those of the first embodiment.
[0036] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.
Claims
1. A circular arc chute shaping device, characterized in that: It includes a base, a lower module is arranged on the base, a shaping mold cavity corresponding to the part is arranged on one side of the lower module, one side of the shaping mold cavity is open, a positioning slider is arranged on the side of the shaping mold cavity of the lower module, the positioning slider is slidably connected to the base, a plurality of positioning protrusions corresponding to the parts are arranged on the side of the positioning slider facing the shaping mold cavity, a shaping through hole is arranged above the shaping mold cavity, a shaping insert corresponding to the shaping through hole is arranged above the base, an arc-shaped shaping protrusion is arranged on the end of the shaping insert facing the shaping mold cavity, and a lifting mechanism is connected to the shaping insert.
2. The arc chute shaping device according to claim 1, characterized in that: It also includes an upper module, the shaping insert is fixedly connected to the upper module, and the lifting mechanism is connected to the upper module.
3. The arc chute shaping device according to claim 2, characterized in that: Two symmetrical shaping cavities are provided on the same side of the lower module, and positioning protrusions corresponding to the two shaping cavities are provided on the positioning slide block. The upper module slides horizontally relative to the lower module.
4. The arc chute shaping device according to claim 3, characterized in that: The upper module or the base slides horizontally relative to the base or the upper module and is connected to a driving mechanism.
5. The arc chute shaping device according to claim 2, characterized in that: The upper module is provided with two shaping inserts, which correspond to two shaping cavities respectively.