Heat-conducting anti-deformation positioning plate

Abstract

The utility model relates to the field of positioning plates, and discloses a heat-conducting anti-deformation positioning plate, which solves the problems in the background technology, and comprises three support legs which are distributed at equal angles of 120 degrees, a central positioning table is arranged at the intersection of the support legs, and heat-conducting hole channels which axially extend are arranged in the support legs; reinforcing ribs are arranged between the adjacent supporting legs; an annular radiating fin array is arranged on the bottom surface of the central positioning table; the tail end of each supporting leg is provided with a mounting base with a heat conduction boss. The heat conduction sectional area is maximized through the hexagonal hole channels, the spiral flow guide grooves induce airflow vortex, and internal convection heat dissipation is accelerated; the heat bridge connection realizes directional conduction of heat from the mounting base to the central positioning table, and the overall heat conduction efficiency is improved by more than 40% in cooperation with the wavy lines; and material softening or structure failure caused by local high temperature is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of positioning plate, concretely is a kind of heat conduction anti-deformation positioning plate. BACKGROUND

[0002] In manufacturing industry, to manufacture good product, it is inseparable from good processing technology and process equipment, and the design of fixture is particularly important;The quality of product is directly influenced by the design of fixture, and the design of fixture also directly influences the level of work efficiency;If not design corresponding fixture, just blindly use universal fixture, it can appear the phenomenon of low work efficiency, bad processing quality, many defective products, high processing cost etc.But fixture is also an assembly, and the design of each part inside is very important, and the design of part is unreasonable, which directly influences the performance of fixture.

[0003] Publication No. CN204819248U discloses a positioning support plate, which is installed in a rotary clamp;The positioning support plate includes three identical support legs, each support leg is divided into a fixed part and a shoulder part, the fixed part is provided with a fixing hole, and the shoulder part has a height higher than that of the positioning part;A circular arc surface is arranged below the shoulder part, and the circular arc surfaces in the three support legs have the same radius;The middle of each support leg is a concave circular table. The utility model has reasonable design, simple mechanism and can be ingeniously used in rotary clamp, plays a crucial role in positioning and supporting of rotary clamp for machining parts, but the positioning plate structure lacks heat conduction structure, and material softening or structural failure caused by temperature rise is easy to occur in use, therefore, a heat conduction anti-deformation positioning plate is provided. UTILITY MODEL CONTENTS

[0004] To solve the above problems, the utility model provides the following technical scheme: a kind of heat conduction anti-deformation positioning plate, including three support legs that are 120 ° equiangular distribution, center positioning table is equipped in the intersection of support leg,

[0005] The support leg is internally provided with an axially extending heat conduction hole;

[0006] Reinforcing ribs are arranged between adjacent support legs;

[0007] The bottom surface of the center positioning table is provided with an annular heat dissipation fin array;

[0008] Each support leg is provided with a mounting base with a heat conduction boss at the end.

[0009] Further, the heat conduction hole is a hexagonal cross-section through hole, and a spiral flow guide groove is arranged on the inner wall thereof, and the end of the hole is connected to the heat conduction boss of the mounting base to form a thermal bridge.

[0010] Further, the thickness of the reinforcing rib gradually decreases from the inside to the outer edge.

[0011] Further, the annular heat dissipation fin array comprises three layers of staggered arc-shaped fins, and a flow guide gap is arranged between adjacent layers of fins.

[0012] Further, the outer surface of the support leg is provided with a wave-shaped heat dissipation pattern, and the upper surface is provided with parallel heat dissipation ribs, and the heat dissipation ribs and the heat conduction holes form a heat conduction path through the inclined connecting piece.

[0013] Further, the top of the center positioning table is provided with a composite positioning structure comprising a center conical protrusion and a peripheral annular positioning groove, and the bottom of the conical protrusion is provided with circumferentially distributed heat dissipation through holes

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses a hexagonal hole maximum heat conduction section area (compared with circular hole to improve 15% or more), spiral flow guide groove induces airflow vortex, accelerates internal convection heat dissipation, and the heat bridge connection realizes the directional conduction of heat from the mounting base to the center positioning table, cooperates with the wave-shaped pattern (increases 25% heat dissipation area), and the overall heat conduction efficiency is improved by 40% or more, which effectively avoids the material softening or structural failure caused by local high temperature. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0017] Figure 1 It is the structure schematic diagram of the whole top view of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the whole bottom view of the utility model;

[0019] Figure 3 It is the structure schematic diagram of the whole front view of the utility model;

[0020] Figure 4 It is the front structure schematic diagram of the heat conduction hole portion of the utility model;

[0021] Figure 5 It is the top view section structure schematic diagram of the heat conduction hole portion of the utility model;

[0022] In the drawings: 1, support leg, 2, center positioning table, 3, heat conduction hole, 301, spiral flow guide groove, 4, reinforcing rib, 5, annular heat dissipation fin array, 501, flow guide gap, 502, arc-shaped fin, 6, mounting base, 7, heat dissipation pattern, 8, heat dissipation rib, 9, inclined connecting piece, 10, conical protrusion, 11, annular positioning groove, 12, heat dissipation through hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] By Figures 1-5 The utility model discloses a three 120 ° equiangular distribution support leg 1, support leg 1 intersection is equipped with the center positioning table 2, 120 ° equiangular distribution forms stable triangle support structure, effectively disperses mechanical load, and the center positioning table 2 is as the heat convergence point, and the uniform heat conduction path distribution is realized through the geometric symmetry, avoids local stress concentration;

[0025] Support leg 1 inside is equipped with the heat conduction hole 3 of axial extension;

[0026] Reinforcing rib 4 is equipped between adjacent support leg 1;

[0027] The bottom surface of the center positioning table 2 is provided with an annular heat dissipation fin array 5.

[0028] Each support leg 1 end is provided with the mounting base 6 of heat conduction boss.

[0029] The heat conduction hole 3 is a hexagonal cross-section through hole, the inner wall of which is provided with a spiral flow guide groove 301, and the hole end forms a thermal bridge connection with the heat conduction boss of the mounting base 6. The hexagonal cross-section provides the maximum flow area (increased by 15% compared with the circular cross-section), and the spiral flow guide groove 301 accelerates the internal air convection through the vortex effect. The thermal bridge connection allows heat to be conducted axially along the support leg to the mounting base, forming a continuous heat dissipation channel.

[0030] The thickness of the reinforcing rib 4 gradually decreases from the inside to the outer edge, and the thickness gradient change realizes the stiffness gradient distribution. The inside high stiffness area bears more than 80% of the bending moment load, and the outer edge flexible design allows a thermal expansion deformation amount of 0.1-0.3mm, effectively inhibiting the generation of thermal stress cracks.

[0031] The annular heat dissipation fin array 5 includes three layers of staggered distribution of arc-shaped fins 502, and a flow gap 501 is provided between adjacent layers of fins. The staggered distribution of the arc-shaped fins 502 increases the airflow speed in the flow gap 501.

[0032] The outer surface of the support leg 1 is provided with a wave-shaped heat dissipation pattern 7, and the upper surface is provided with parallel heat dissipation ribs 8. The heat dissipation ribs 8 and the heat conduction hole 3 form a heat conduction path through the inclined connecting piece 9.

[0033] The top of the center positioning table 2 is provided with a composite positioning structure, including a center conical protrusion 10 and a peripheral annular positioning groove 11, and the bottom of the conical protrusion 10 is provided with circumferentially distributed heat dissipation through holes 12.

[0034] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A heat-conducting anti-deformation positioning plate, comprising three support legs (1) arranged at an angle of 120°, and a central positioning platform (2) arranged at the intersection of the support legs (1), characterized in that: the support legs (1) are internally provided with axially extending heat-conducting channels (3); reinforcing ribs (4) are arranged between adjacent support legs (1); the bottom surface of the central positioning platform (2) is provided with an annular array of heat-dissipating fins (5); and each support leg (1) is provided at the end with a mounting base (6) provided with a heat-conducting boss. The heat-conducting channels (3) are hexagonal through holes, and the inner wall of each channel is provided with a spiral flow guide groove (301), and the end of each channel is connected to the heat-conducting boss of the mounting base (6) to form a thermal bridge. The reinforcing ribs (4) are tapered in thickness from the inner side to the outer edge. The annular array of heat-dissipating fins (5) comprises three layers of arc-shaped fins (502) arranged in a staggered manner, and flow guide gaps (501) are arranged between adjacent layers of fins. The outer surface of the support leg (1) is provided with a wave-shaped heat-dissipating pattern (7), and the upper surface is provided with parallel heat-dissipating ribs (8), and the heat-dissipating ribs (8) and the heat-conducting channels (3) form a heat-conducting path through inclined connecting pieces (9).

2. The heat-conducting anti-deformation positioning plate according to claim 1, characterized in that: The top of the central positioning platform (2) is provided with a composite positioning structure comprising a central conical protrusion (10) and a peripheral annular positioning groove (11), and the bottom of the conical protrusion (10) is provided with circumferentially distributed heat-dissipating through holes (12).

3. The heat-conducting anti-deformation positioning plate according to claim 2, characterized in that: ​ 4. The heat-conducting anti-deformation positioning plate according to claim 3, characterized in that: ​ 5. The heat-conducting anti-deformation positioning plate according to claim 4, characterized in that: ​ 6. The heat-conducting anti-deformation positioning plate according to claim 5, characterized in that: ​

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