Cutting die
By designing irregular curved surface molds and buffer guide components, the problems of precision and efficiency in cutting complex three-dimensional curved waterproof membranes were solved, achieving high-precision cutting and effective material utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-04-10
AI Technical Summary
Existing cutting molds are insufficient for accurately cutting complex three-dimensional curved surfaces of car door waterproof membranes, resulting in low cutting accuracy, significant material waste, and low production efficiency.
It adopts an irregular curved mold base and mold core structure, combined with buffer components and guide components, to ensure that the cutting blade fits tightly with the waterproof membrane, and adapts to the production needs of different shapes through a detachable connecting seat.
It improves cutting accuracy and consistency, reduces material waste, and increases production efficiency.
Smart Images
Figure CN224103109U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chemical luminescence detection technical field, concretely relates to a cutting die. BACKGROUND
[0002] In the automobile manufacturing process, the door waterproof film is an important part to prevent water from entering the inside of the door. The traditional door waterproof film usually adopts a flat design, but with the diversification of automobile design, the shape of the door is becoming more and more complex, especially the three-dimensional curved surface door design gradually popularizes.
[0003] The existing cutting die mostly adopts a flat or simple curved surface die core structure, which is difficult to accurately cut the waterproof film of a complex three-dimensional curved surface, resulting in low cutting precision, large material waste and low production efficiency. UTILITY MODEL CONTENTS
[0004] Based on the above description, the utility model provides a cutting die, aiming at solving the problem that the existing cutting die is mainly for flat design and is difficult to accurately cut the waterproof film of a complex three-dimensional curved surface.
[0005] The technical scheme for solving the above technical problem is as follows:
[0006] A cutting die, comprising:
[0007] A die seat unit comprising a first die seat and a second die seat;
[0008] A die core unit comprising a first die core and a second die core, the first die core and the second die core being correspondingly arranged on the first die seat and the second die seat, and the surface of the first die core away from the first die seat and the surface of the second die core away from the second die seat being configured as a special-shaped curved surface;
[0009] A cutting knife arranged on one of the special-shaped curved surfaces.
[0010] On the basis of the above technical scheme, the utility model can also be improved as follows.
[0011] Further, a relief hole is provided on the other special-shaped curved surface.
[0012] Further, at least two guide holes are provided on one side of the first die core relative to the first die seat, the cutting die comprises a buffer assembly, the number of the buffer assemblies is associated with the number of the guide holes, and the buffer assembly corresponds to the guide hole one by one, the buffer assembly comprises a guide rod and a first elastic member, one end of the guide rod is connected to the first die seat, the other end of the guide rod is inserted into the guide hole, the first elastic member is sleeved on the guide rod, and the first elastic member is located between the first die seat and the first die core.
[0013] Further, a plurality of guide assemblies are included, and the first mold base and the second mold base are connected through the plurality of guide assemblies.
[0014] Further, the guide assembly includes a guide column and a guide rod, one end of the guide column is connected to the second mold base, one end of the guide rod is connected to the first mold base, and the other end of the guide rod is inserted into the guide column.
[0015] Further, the guide assembly includes a second elastic member, the second elastic member is sleeved on the guide rod, and the second elastic member is located between the first mold base and the other end of the guide column.
[0016] Further, the first mold core and / or the second mold core includes a first connecting seat and a second connecting seat, the special-shaped curved surface is formed on the first connecting seat, and the first connecting seat is detachably connected to the second connecting seat.
[0017] Further, one side of the first connecting seat relative to the second connecting seat is provided with a sliding protrusion, one side of the second connecting seat relative to the first connecting seat is provided with a sliding groove matched with the sliding protrusion, and the sliding protrusion and the sliding groove are in sliding connection.
[0018] Further, at least one pair of screw holes are formed in the sliding protrusion, through holes corresponding to each screw hole are formed in the second connecting seat, the cutting die includes handle bolts, the number of the handle bolts is associated with the number of the through holes, one end of the handle bolt passes through the through hole and is in threaded connection with the screw hole.
[0019] Compared with the prior art, the technical scheme of the present application has the following beneficial technical effects:
[0020] (1) The special-shaped curved surface and the waterproof film are matched in shape, so that the cutting knife is closely attached to the waterproof film during cutting, and the cutting precision is improved.
[0021] (2) When the first mold core applies pressure to the waterproof film, the first elastic member is deformed under pressure, the first mold core is prevented from applying excessive pressure, the guide hole and the guide rod cooperate to ensure the stability of the movement track of the first mold core, and the cutting consistency is improved.
[0022] (3) The first connecting seat is detachably connected to the second connecting seat, different shapes of special-shaped curved surface mold cores can be replaced, and the production needs of various formations can be met. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0024] Figure 1 It is a vertical section view of the cutting die provided in the embodiments of the present application.
[0025] Figure 2 It is a structure schematic view of the first die core in the embodiments of the present application.
[0026] Figure 3 It is a structure schematic view of the first connecting seat in the embodiments of the present application.
[0027] Figure 4 It is a structure schematic view of the second connecting seat in the embodiments of the present application.
[0028] Explanation of reference signs:
[0029] 10, die seat unit; 11, first die seat; 12, second die seat;
[0030] 20, die core unit; 21, first die core; 211, special-shaped curved surface; 212, first connecting seat; 2121, screw hole; 2122, sliding protrusion; 213, second connecting seat; 2131, guide hole; 2132, sliding groove; 2133, through hole; 22, second die core;
[0031] 30, cutting knife;
[0032] 40, buffer assembly; 41, connecting rod; 42, first elastic member;
[0033] 50, guide assembly; 51, guide column; 52, guide rod; 53, second elastic member;
[0034] 60, handle bolt. DETAILED DESCRIPTION
[0035] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The drawings show embodiments of the present application. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application.
[0037] It will be understood that the spatially relative terms "beneath", "below", "lower", "under", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The devices can also be oriented in the other directions (for example, rotated 90 degrees or at other orientations) and the spatially relative terms used herein interpreted accordingly.
[0038] The singular forms "a", "an", and "the" used herein are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", or "includes" and / or "including" when used herein, specify the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.
[0039] Referring to Figure 1 The utility model provides a technical scheme: a cutting die, including die base unit 10, die core unit 20 and cutting knife 30, die base unit 10 includes first die base 11 and second die base 12;Die core unit 20 includes first die core 21 and second die core 22, first die core 21 and second die core 22 correspondingly are arranged on first die base 11 and second die base 12, the face of first die core 21 and the face of second die core 22 away from second die base 12 are all configured as special-shaped curved surface 211;Cutting knife 30 is arranged on a special-shaped curved surface 211.
[0040] Exemplarily, cutting knife 30 can be baguette knife or the like. Cutting knife 30 can be arranged on the special-shaped curved surface 211 of first die base 11 or the special-shaped curved surface 211 of second die base 12;When cutting knife 30 is arranged on the special-shaped curved surface 211 of first die base 11, the special-shaped curved surface 211 of second die base 12 serves as a supporting surface;When cutting knife 30 is arranged on the special-shaped curved surface 211 of second die base 12, the special-shaped curved surface 211 of first die base 11 serves as a pressing surface.
[0041] It should be noted that the following will be described with the cutting knife 30 arranged on the special-shaped curved surface 211 of the second die seat 12, and the special-shaped curved surface 211 of the first die seat 11 as the extrusion surface.
[0042] In this embodiment, when the first die core 21 moves towards the second die core 22, the first die core 21 exerts pressure on the waterproof film, and the cutting knife 30 can cut the waterproof film. Through the matching of the special-shaped curved surface 211 and the shape of the waterproof film, it is ensured that the cutting knife 30 is closely attached to the waterproof film during cutting, thereby improving the cutting precision.
[0043] In order to avoid collision between the first die core 21 and the cutting knife 30, the pressure device connected to the first die seat 11 has a pressure sensor, which can monitor the pressure exerted on the first die core 21. When the pressure exerted by the pressure device exceeds a preset value, the pressure device stops exerting pressure.
[0044] In some embodiments, another special-shaped curved surface 211 is provided with a relief hole.
[0045] In this embodiment, the relief hole provides a relief space for the cutting knife 30 during cutting, avoiding rigid collision between the cutting knife 30 and the first die core 21, thereby prolonging the service life of the cutting tool, reducing cutting burrs, and improving the quality of the edge of the workpiece.
[0046] Referring to Figure 2 In some embodiments, at least two guide holes 2131 are formed on one side of the first die core 21 relative to the first die seat 11, the cutting die includes a buffer assembly 40, the number of the buffer assembly 40 is associated with the number of the guide holes 2131, and the buffer assembly 40 corresponds to the guide holes 2131 one by one, the buffer assembly 40 includes a guide rod 52 and a first elastic member 42, one end of the guide rod 52 is connected to the first die seat 11, the other end of the guide rod 52 is inserted into the guide hole 2131, the first elastic member 42 is sleeved on the guide rod 52, and the first elastic member 42 is located between the first die seat 11 and the first die core 21.
[0047] For example, the first elastic member 42 can be an elastic rubber ring or a spring, etc. The guide hole 2131 and the guide rod 52 can be stepped or the like.
[0048] In this embodiment, when the first die core 21 exerts pressure on the waterproof film, the first elastic member 42 is deformed under pressure, avoiding excessive pressure exerted by the first die core 21; the guide hole 2131 cooperates with the guide rod 52 to ensure the stability of the movement track of the first die core 21, avoiding deflection, thereby improving the cutting consistency.
[0049] Referring to Figure 2 In some embodiments, the cutting die includes a plurality of guide assemblies 50, and the first die seat 11 and the second die seat 12 are connected through the plurality of guide assemblies 50. In some embodiments, the cutting die includes a plurality of guide assemblies 50, and the first die seat 11 and the second die seat 12 are connected through the plurality of guide assemblies 50.
[0050] For example, the guide assembly 50 can include a guide sleeve and a rod structure, etc. The guide sleeve can be arranged on the first mold base 11, and the rod structure can be arranged on the second mold base 12.
[0051] In this embodiment, when the first mold core 21 exerts pressure on the waterproof film, the guide assembly 50 can further ensure the stable movement track of the first mold core 21, avoid deflection, and thus improve the cutting consistency.
[0052] Referring to Figure 2 In some embodiments, the guide assembly 50 includes a guide column 51 and a guide rod 52. One end of the guide column 51 is connected to the second mold base 12, one end of the guide rod 52 is connected to the first mold base 11, and the other end of the guide rod 52 is inserted into the guide column 51.
[0053] In this embodiment, when the first mold core 21 exerts pressure on the waterproof film, the sliding fit of the guide rod 52 and the guide column 51 ensures the accurate alignment of the first mold base 11 and the second mold base 12, and further ensures the stable movement track of the first mold core 21.
[0054] Referring to Figure 2 In some embodiments, the guide assembly 50 includes a second elastic member 53. The second elastic member 53 is sleeved on the guide rod 52, and is located between the first mold base 11 and the other end of the guide column 51.
[0055] For example, the second elastic member 53 can be an elastic rubber ring or a spring, etc.
[0056] In this embodiment, when the first mold core 21 exerts pressure on the waterproof film, the second elastic member 53 provides a buffer for the first mold core 21, and further prevents the first mold core 21 from exerting excessive pressure.
[0057] Referring to Figure 1 and Figures 3-4 In some embodiments, the first mold core 21 and / or the second mold core 22 includes a first connecting seat 212 and a second connecting seat 213. The special-shaped curved surface 211 is formed on the first connecting seat 212, and the first connecting seat 212 is detachably connected to the second connecting seat 213.
[0058] For example, the first connecting seat 212 and the second connecting seat 213 can be detachably connected by bolts, etc.
[0059] In this embodiment, in this way, different shapes of the special-shaped curved surface 211 mold core can be replaced, so as to adapt to various production requirements.
[0060] Referring to Figure 1 and Figures 3-4As shown, in some embodiments, the first connecting seat 212 is provided with a sliding protrusion 2122 on one side thereof relative to the second connecting seat 213, and the second connecting seat 213 is provided with a sliding groove 2132 corresponding to the sliding protrusion 2122 on one side thereof relative to the first connecting seat 212, and the sliding protrusion 2122 is in sliding connection with the sliding groove 2132.
[0061] For example, the sliding protrusion 2122 and the sliding groove 2132 can be T-shaped or dovetail-shaped, etc.
[0062] In this embodiment, the cooperation between the sliding protrusion 2122 and the sliding groove 2132 not only enables the first mold core 21 to be quickly disassembled and assembled, but also enables the first mold core 21 to be positioned, thereby ensuring the accuracy of the position of the first mold core 21.
[0063] Referring to Figure 1 and Figures 3-4 As shown, in some embodiments, the sliding protrusion 2122 is provided with at least one pair of screw holes 2121, the second connecting seat 213 is provided with a through hole 2133 corresponding to each screw hole 2121, the cutting die comprises a handle bolt 60, the number of the handle bolt 60 is associated with the number of the through holes 2133, and one end of the handle bolt 60 passes through the through hole 2133 and is in threaded connection with the screw hole 2121.
[0064] In this embodiment, the handle bolt 60 provides firm locking, which not only enables the first mold core 21 to be conveniently disassembled and assembled, but also ensures that the first mold core 21 does not displace during the cutting process.
[0065] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A cutting die characterized by, The utility model relates to a cutting die, including: Die seat unit (10) including first die seat (11) and second die seat (12); Die core unit (20) including first die core (21) and second die core (22), the first die core (21) and the second die core (22) are correspondingly arranged on the first die seat (11) and the second die seat (12), the face of the first die core (21) away from the first die seat (11) and the face of the second die core (22) away from the second die seat (12) are configured as special-shaped curved surface (211); Cutting knife (30) is arranged on one special-shaped curved surface (211).
2. The cutting die of claim 1, wherein, The other special-shaped curved surface (211) is provided with a clearance hole.
3. The cutting die of claim 1, wherein, The first die core (21) is provided with at least two guide holes (2131) on one side relative to the first die seat (11), and the cutting die includes a buffer assembly (40), the number of the buffer assembly (40) is associated with the number of the guide hole (2131), and the buffer assembly (40) corresponds to the guide hole (2131) one by one, the buffer assembly (40) includes a guide rod (52) and a first elastic member (42), one end of the guide rod (52) is connected to the first die seat (11), the other end of the guide rod (52) is inserted into the guide hole (2131), and the first elastic member (42) is sleeved on the guide rod (52), and the first elastic member (42) is located between the first die seat (11) and the first die core (21).
4. The cutting die of claim 1, wherein, A plurality of guide assemblies (50) are included, and the first die seat (11) and the second die seat (12) are connected through the plurality of guide assemblies (50).
5. The cutting die of claim 4, wherein, The guide assembly (50) includes a guide column (51) and a guide rod (52), one end of the guide column (51) is connected to the second die seat (12), one end of the guide rod (52) is connected to the first die seat (11), and the other end of the guide rod (52) is inserted into the guide column (51).
6. The cutting die of claim 5, wherein, The guide assembly (50) includes a second elastic member (53), the second elastic member (53) is sleeved on the guide rod (52), and the second elastic member (53) is located between the first die seat (11) and the other end of the guide column (51).
7. The cutting die of any one of claims 1 to 6, wherein, The first die core (21) and / or the second die core (22) include a first connecting seat (212) and a second connecting seat (213), the special-shaped curved surface (211) is formed on the first connecting seat (212), and the first connecting seat (212) is detachably connected to the second connecting seat (213).
8. The cutting die of claim 7, wherein, One side of the first connecting seat (212) relative to the second connecting seat (213) is provided with a sliding protrusion (2122), one side of the second connecting seat (213) relative to the first connecting seat (212) is provided with a sliding groove (2132) matched with the sliding protrusion (2122), and the sliding protrusion (2122) and the sliding groove (2132) are slidably connected.
9. The cutting die of claim 8, wherein, At least one pair of screw holes (2121) are formed on the sliding convex (2122), and a through hole (2133) corresponding to each screw hole (2121) is formed in the second connecting seat (213). The cutting die comprises handle bolts (60), the number of the handle bolts (60) is associated with the number of the through holes (2133), and one end of the handle bolt (60) penetrates through the through hole (2133) and is threadedly connected with the screw hole (2121).