Lower punch structure of magnetic shoe die
By introducing arc-shaped base, magnetic isolation layer, buffer layer and overflow recovery components into the lower punch of magnetic tile mold, the problems of vulnerability and waste of residual material are solved, and a longer service life and overflow are achieved Efficient recycling of materials.
Patent Information
- Application Number
- CN202323583833.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-27
AI Technical Summary
The existing magnetic tile mold lower punch lacks a buffer structure, which is easily damaged and lacks a spill recovery structure, resulting in waste of residual material.
A lower punch structure including a curved base, a curved magnetic spacer, a strip groove, a rectangular insert and a spill recovery assembly was designed, and fixed with a buffer layer of polyurethane rubber products and a water-soluble adhesive. Set up spill holes and sector-shaped discharge holes with incremental apertures to achieve spill recovery.
The service life of the lower punch is extended by the buffer layer, and the stamping overflow is effectively recovered by increasing the aperture size and fan-shaped discharge holes to avoid waste of residual material.
Smart Images
Figure CN222246285U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of magnetic tile molds, in particular to a lower punch structure of a magnetic tile mold. Background Art
[0002] Magnetic tiles are tile-shaped permanent magnets mainly used in permanent magnet motors. The production of magnetic tiles requires the use of magnetic tile molds for stamping. The magnetic tile mold mainly includes structures such as upper punches and lower punches.
[0003] In the prior art, patent number CN215749787U discloses a permanent magnet ferrite magnetic tile mold lower punch, which includes a substrate, a non-magnetic conductive layer is seamlessly embedded on the top of the substrate, and the inlay joint surface between the substrate and the non-magnetic conductive layer is a dovetail structure... It is suitable for small batch or large batch permanent magnet ferrite mold lower punch inlay processing, and it can be widely used for ferrite wet pressed magnetic tile mold lower punch non-magnetic conductive layer inlay, ferrite anisotropic dry pressed magnetic tile punch non-magnetic conductive layer inlay. The technical solution of the above patent has the following shortcomings: 1. There is no buffer structure for the lower punch, which is easy to be damaged during stamping; 2. The lower punch lacks an overflow recovery structure, which is easy to cause waste of excess material. Utility Model Content
[0004] In view of the deficiencies and defects in the prior art, the utility model proposes a lower punch structure of a magnetic tile mold, which is used to solve the technical problems raised in the background technology.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A lower punch structure of a magnetic tile mold comprises a lower die seat, an arc-shaped base is provided at the upper end of the lower die seat, an arc-shaped magnetic isolation layer is provided at the upper end of the arc-shaped base, strip grooves are provided at the upper ends of the left and right sides of the lower die seat, arc-shaped protrusions are provided on the bottoms of the two strip grooves, rectangular plug-ins are fixedly connected to the lower ends of the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer, arc-shaped slots are provided at the lower ends of the two rectangular plug-ins, the two rectangular plug-ins are respectively inserted in the two strip grooves, the two arc-shaped protrusions are respectively inserted in the two arc grooves, and overflow recovery components are provided at the upper ends of the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer.
[0007] Preferably, the arc-shaped protrusion is integrally formed with the lower die base, and the rectangular plug-in block is integrally formed with the arc-shaped magnetic isolation layer.
[0008] Preferably, a first buffer layer is flatly and fixedly connected to the upper end of the arc-shaped base, a second buffer layer is flatly and fixedly connected to the inner arc-shaped end surface of the arc-shaped magnetic isolation layer, and the first buffer layer and the second buffer layer are fixedly butted against each other.
[0009] Preferably, the first buffer layer and the second buffer layer are both made of polyurethane rubber, and the first buffer layer and the arc-shaped base, the second buffer layer and the arc-shaped magnetic isolation layer, and the first buffer layer and the second buffer layer are all fixed with a water-soluble adhesive.
[0010] Preferably, the overflow recovery component includes a plurality of overflow holes arranged at the upper ends of the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer, and discharge holes are provided in the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer. The discharge holes are arranged through the side walls of the horizontal sections of the arc-shaped magnetic isolation layer, and the plurality of overflow holes are distributed at equal intervals, and the plurality of overflow holes are connected to the discharge holes.
[0011] Preferably, the diameters of the overflow holes are arranged to increase from top to bottom, and the cross-section of the discharge holes is arranged to be fan-shaped.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The first buffer layer and the second buffer layer of the polyurethane rubber product provide buffering for the lower punch, thereby extending the service life of the lower punch.
[0014] 2. Exhaust the stamping overflow through a number of overflow holes with increasing apertures from top to bottom, in conjunction with discharge holes with fan-shaped cross-sections, to avoid waste of excess material. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a perspective schematic diagram of a lower punch structure of a magnetic tile mold proposed by the utility model;
[0016] Figure 2 This is a structural schematic diagram of a lower die seat and an arc-shaped base of a lower punch structure of a magnetic tile mold proposed by the utility model;
[0017] Figure 3 for Figure 1 A partial enlarged view of the middle A;
[0018] Figure 4 This is a structural schematic diagram of a curved magnetic isolation layer of a lower punch structure of a magnetic tile mold proposed by the utility model;
[0019] Figure 5 The utility model is a schematic diagram of the structure of the discharge hole of the lower punch structure of the magnetic tile mold.
[0020] In the figure: 1 lower die base, 2 arc-shaped base, 3 arc-shaped magnetic isolation layer, 4 strip-shaped slots, 5 arc-shaped protrusions, 6 rectangular plugs, 7 arc-shaped slots, 8 first buffer layer, 9 second buffer layer, 10 overflow hole, 11 discharge hole. DETAILED DESCRIPTION
[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0023] Reference Figure 1-5 A lower punch structure of a magnetic tile mold comprises a lower die base 1, an arc-shaped base 2 is provided at the upper end of the lower die base 1, an arc-shaped magnetic isolation layer 3 is provided at the upper end of the arc-shaped base 2, the lower die base 1, the arc-shaped base 2 and the arc-shaped magnetic isolation layer 3 constitute a lower punch, a first buffer layer 8 is flatly and fixedly connected to the upper end of the arc-shaped base 2, a second buffer layer 9 is flatly and fixedly connected to the inner arc end surface of the arc-shaped magnetic isolation layer 3, the first buffer layer 8 and the second buffer layer 9 are fixed against each other, the first buffer layer 8 and the second buffer layer 9 are both polyurethane rubber products, and the first buffer layer 8 and the second buffer layer 9 of the polyurethane rubber product are The buffer layer 9 provides buffering for the lower punch and prolongs the service life of the lower punch. The first buffer layer 8 and the arc base 2, the second buffer layer 9 and the arc magnetic isolation layer 3, and the first buffer layer 8 and the second buffer layer 9 are all fixed with a water-soluble adhesive. The first buffer layer 8 and the second buffer layer 9 are respectively flatly fixed on the annular side wall of the arc base 2 and the end face of the annular inner wall of the arc magnetic isolation layer 3 with a water-soluble adhesive, and the arc magnetic isolation layer 3 is placed on the arc base 2. The first buffer layer 8 and the second buffer layer 9 are also bonded and fixed with a water-soluble adhesive.
[0024] The upper ends of the left and right sides of the lower die base 1 are each provided with a strip groove 4, the bottoms of the two strip grooves 4 are each provided with an arc-shaped protrusion 5, the lower ends of the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer 3 are fixedly connected with rectangular plug-ins 6, the arc-shaped protrusion 5 and the lower die base 1 are integrally formed, the rectangular plug-in block 6 and the arc-shaped magnetic isolation layer 3 are integrally formed, the lower ends of the two rectangular plug-ins 6 are each provided with an arc-shaped groove 7, the two rectangular plug-ins 6 are respectively inserted in the two strip grooves 4, the two arc-shaped protrusions 5 are respectively inserted in the two arc-shaped grooves 7, the two rectangular plug-ins 6 are respectively inserted in the strip grooves 4 on both sides, and the arc-shaped protrusions 5 on the strip grooves 4 are inserted in the arc-shaped grooves 7 on the rectangular plug-ins 6, so that the arc-shaped magnetic isolation layer 3 is effectively positioned and fixed on the arc-shaped base 2, thereby improving the stamping stability.
[0025] An overflow recovery component is provided at the upper end of the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer 3. The overflow recovery component includes a plurality of overflow holes 10 arranged at the upper ends of the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer 3. Discharge holes 11 are provided in the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer 3. The discharge holes 11 penetrate the side walls of the horizontal sections of the arc-shaped magnetic isolation layer 3. The plurality of overflow holes 10 are distributed at equal intervals. The plurality of overflow holes 10 are connected to the discharge holes 11. The apertures of the overflow holes 10 are increased from top to bottom. The cross-section of the discharge holes 11 is fan-shaped. The plurality of overflow holes 10 with increasing apertures from top to bottom cooperate with the discharge holes 11 with fan-shaped cross-sections to discharge stamping overflows to avoid waste of residual materials.
[0026] When the utility model is in use, the first buffer layer 8 and the second buffer layer 9 are respectively flattened and fixed on the annular side wall of the arc base 2 and the end face of the annular inner wall of the arc-shaped magnetic isolation layer 3 by using a water-soluble adhesive, and the arc-shaped magnetic isolation layer 3 is placed on the arc base 2, and the first buffer layer 8 and the second buffer layer 9 are also bonded and fixed by using a water-soluble adhesive. At the same time, two rectangular plug-ins 6 are respectively inserted into the strip grooves 4 on both sides, and the arc-shaped protrusions 5 on the strip grooves 4 are inserted into the arc-shaped grooves 7 on the rectangular plug-ins 6, so that the arc-shaped magnetic isolation layer 3 is effectively positioned and fixed on the arc base 2, and the stamping stability is improved. The first buffer layer 8 and the second buffer layer 9 of the polyurethane rubber product provide buffering for the lower punch, thereby extending the service life of the lower punch. A plurality of overflow holes 10 with increasing apertures from top to bottom cooperate with the discharge holes 11 with a fan-shaped cross-section to discharge the stamping overflow, thereby avoiding waste of excess material.
[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A lower punch structure of a magnetic tile mold, comprising a lower die base (1), wherein an arc-shaped base (2) is provided at the upper end of the lower die base (1), characterized in that: An arc-shaped magnetic isolation layer (3) is arranged at the upper end of the arc-shaped base (2); strip grooves (4) are arranged at the upper ends of the left and right sides of the lower die seat (1); arc-shaped protrusions (5) are arranged at the bottom of the two strip grooves (4); rectangular plugs (6) are fixedly connected to the lower ends of the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer (3); arc-shaped grooves (7) are arranged at the lower ends of the two rectangular plugs (6); the two rectangular plugs (6) are respectively inserted into the two strip grooves (4); the two arc-shaped protrusions (5) are respectively inserted into the two arc grooves (7); and overflow recovery components are arranged at the upper ends of the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer (3).
2. The lower punch structure of a magnetic tile mold according to claim 1, characterized in that: The arc-shaped protrusion (5) and the lower die base (1) are integrally formed, and the rectangular plug block (6) and the arc-shaped magnetic isolation layer (3) are integrally formed.
3. The lower punch structure of a magnetic tile mold according to claim 1, characterized in that: A first buffer layer (8) is flatly and fixedly connected to the upper end of the arc-shaped base (2), and a second buffer layer (9) is flatly and fixedly connected to the inner arc-shaped end surface of the arc-shaped magnetic isolation layer (3), and the first buffer layer (8) and the second buffer layer (9) are fixedly abutted against each other.
4. The lower punch structure of a magnetic tile mold according to claim 3 is characterized in that: The first buffer layer (8) and the second buffer layer (9) are both polyurethane rubber products, and the first buffer layer (8) and the arc-shaped base (2), the second buffer layer (9) and the arc-shaped magnetic isolation layer (3), and the first buffer layer (8) and the second buffer layer (9) are all fixed by means of a water-soluble adhesive.
5. The lower punch structure of a magnetic tile mold according to claim 1, characterized in that: The overflow recovery component comprises a plurality of overflow holes (10) arranged at the upper ends of the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer (3); discharge holes (11) are arranged in the horizontal sections on the left and right sides of the arc-shaped magnetic isolation layer (3); the discharge holes (11) are arranged through the side walls of the horizontal sections of the arc-shaped magnetic isolation layer (3); the plurality of overflow holes (10) are arranged at equal intervals; and the plurality of overflow holes (10) are arranged in communication with the discharge holes (11).
6. The lower punch structure of a magnetic tile mold according to claim 5, characterized in that: The diameter of the overflow hole (10) is arranged to increase from top to bottom, and the cross section of the discharge hole (11) is arranged to be fan-shaped.