TWI680023B - Die for metal tube extrusion - Google Patents

Die for metal tube extrusion Download PDF

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Publication number
TWI680023B
TWI680023B TW107142338A TW107142338A TWI680023B TW I680023 B TWI680023 B TW I680023B TW 107142338 A TW107142338 A TW 107142338A TW 107142338 A TW107142338 A TW 107142338A TW I680023 B TWI680023 B TW I680023B
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Taiwan
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slow
flow
metal
extrusion die
hole
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TW107142338A
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Chinese (zh)
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TW202019576A (en
Inventor
黃永茂
Yeong-Maw Hwang
許翼鵬
I-Peng Hsu
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國立中山大學
National Sun Yat-Sen University
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Publication of TW202019576A publication Critical patent/TW202019576A/en

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Abstract

一種金屬管擠製模具,用以將複數個金屬材料擠製成複數個依序相連接的金屬管,該金屬管擠製模具中設置有複數個緩流凸部,藉由該些緩流凸部緩衝通過該金屬管擠製模具的各該金屬材料,並改變各該金屬材料在該金屬管擠製模具中的流向,以降低相鄰金屬管間包含有不規則連接界面的一待移除金屬管區段的長度,以避免切除該待移除金屬管區段後,造成金屬材料浪費。A metal pipe extrusion die is used to extrude a plurality of metal materials into a plurality of sequentially connected metal pipes. The metal pipe extrusion die is provided with a plurality of slow-flow protrusions. Partly buffer each metal material passing through the metal tube extrusion die, and change the flow direction of each metal material in the metal tube extrusion die, so as to reduce a pending removal of adjacent metal tubes containing an irregular connection interface. The length of the metal pipe section to avoid wasting the metal material after cutting off the metal pipe section to be removed.

Description

金屬管擠製模具Metal pipe extrusion die

本發明是關於一種金屬管擠製模具,特別是一種用以降低包含有不規則連接界面的一待移除金屬管區段的長度的金屬管擠製模具。The invention relates to a metal pipe extrusion die, in particular to a metal pipe extrusion die for reducing the length of a metal pipe section including an irregular connection interface.

在中華民國發明專利第105116351號揭露一種「擠製金屬管的模具」,請參閱第1圖,在金屬管擠製製程中,會將複數個金屬材料依序置入一擠製模具中,以擠製成相互連接的金屬管10,相互連接的相鄰金屬管10之間會形成有一不規則的連接界面11,該不規則的連接界面11將影響金屬管的強度,因此必需將具有該不規則的連接界面11的金屬管區段10a切除,然而,切除包含有不規則的連接界面的該金屬管區段10a將造成金屬材料的浪費。In the Republic of China Invention Patent No. 105116351, a "die for extruding a metal pipe" is disclosed. Please refer to Fig. 1. In the metal pipe extrusion process, a plurality of metal materials are sequentially placed in an extrusion die to Extruded into interconnected metal pipes 10, an irregular connection interface 11 will be formed between adjacent adjacent metal pipes 10. The irregular connection interface 11 will affect the strength of the metal pipe, so it is necessary to have The metal pipe section 10a of the regular connection interface 11 is cut away. However, cutting off the metal pipe section 10a containing the irregular connection interface will cause waste of metal materials.

本發明的一種金屬管擠製模具用以降低相鄰金屬管間包含有不規則連接界面的一待移除金屬管區段的長度。The metal pipe extrusion die of the present invention is used to reduce the length of a metal pipe section to be removed that includes an irregular connection interface between adjacent metal pipes.

本發明之主要目的在於提供一種金屬管擠製模具,用以將複數個金屬材料擠製成複數個依序連接的金屬管,該金屬管擠製模具包含一分流模具部及一成形模具部,該一分流模具部具有一環牆、一柱體及複數個桁架,該環牆環繞該柱體,且該些桁架分別連接該柱體及該環牆,使相鄰的該桁架之間形成有一分流道,各該分流道具有一入料口及一出料口,該柱體具有一管擠製部及複數個緩流凸部,各該緩流凸部凸設於該柱體的一表面,該成形模具部,結合於該分流模具部,該成形模具部具有一第一通孔及一第二通孔,該第一通孔連通該第二通孔,該第二通孔連通各該分流道的該出料口,該柱體的該管擠製部容置於該第一通孔以形成一管成形流道,各該緩流凸部位於該管成形流道上方。The main object of the present invention is to provide a metal tube extrusion die for extruding a plurality of metal materials into a plurality of sequentially connected metal tubes. The metal tube extrusion die includes a diverting mold portion and a forming mold portion. The shunt mold part has a ring wall, a column and a plurality of trusses, the ring wall surrounds the column, and the trusses are connected to the column and the ring wall, respectively, so that a shunt is formed between adjacent trusses. Each of the diverting props has an inlet and an outlet. The cylinder has a tube extrusion portion and a plurality of slow-flow protrusions. Each of the slow-flow protrusions is convexly disposed on a surface of the cylinder. A forming die part is coupled to the shunt die part, the forming die part has a first through hole and a second through hole, the first through hole communicates with the second through hole, and the second through hole communicates with each of the shunt channels In the discharge port, the tube extrusion part of the cylinder is accommodated in the first through hole to form a tube forming flow channel, and each of the slow-flow convex portions is located above the tube forming flow channel.

本發明藉由該些緩流凸部緩衝通過該分流模具部的該金屬材料,避免該金屬材料順著該柱體直接流向該管成形流道,且藉由各該緩流凸部改變該金屬材料的流向,以降低相鄰金屬管間包含有不規則連接界面的一待移除金屬管區段的長度,其能避免切除包含有不規則連接界面的該待切除金屬管區段後,造成金屬材料浪費。The invention buffers the metal material passing through the shunt mold part by the slow-flow protrusions, avoids the metal material from flowing directly along the column to the tube forming flow channel, and changes the metal by each slow-flow protrusion. Material flow to reduce the length of a metal pipe section containing an irregular connection interface between adjacent metal pipes, which can avoid the metal material caused by cutting away the metal pipe section containing the irregular connection interface. waste.

請參閱第2圖,其為本發明的一種擠製金屬管的模具100包含一分流模具部110及一成形模具部120,該模具100以該分流模具部110結合一盛錠桶200,複數個金屬材料300依序置入於該盛錠桶200中,且以一擠壓頭400依序將各該金屬材料30擠入該模具100中,以擠製複數個依序相連接的金屬管。Please refer to FIG. 2, which shows a die 100 for extruding a metal pipe according to the present invention, which includes a diverting die portion 110 and a forming die portion 120. The die 100 is combined with the diverting die portion 110 and an ingot bucket 200. The metal material 300 is sequentially placed in the ingot bucket 200, and each of the metal materials 30 is sequentially extruded into the mold 100 with an extrusion head 400 to extrude a plurality of metal pipes connected in sequence.

請參閱第3及4圖,該分流模具部110具有一環牆111、一柱體112及複數個桁架113,該環牆111環繞該柱體112,且該些桁架分113別連接該柱體112及該環牆111,使相鄰的該桁架113之間形成有一分流道114,各該分流道114具有一入料口114a及一出料口114b,該柱體112具有一管擠製部112a、一焊合部112b、一分流部112c及複數個緩流凸部112d,該焊合部112b位於該管擠製部112a及該分流部112c之間,各該分流道114位於該分流部112c與該環牆111之間,該緩流凸部112d凸設於該柱體112的一表面112e,較佳地,該些緩流凸部112d等距地間隔排列於該柱體112的該表面112e。Please refer to FIGS. 3 and 4, the split mold part 110 has a ring wall 111, a column 112, and a plurality of trusses 113. The ring wall 111 surrounds the column 112, and the trusses are connected to the column 112 respectively 113. And the ring wall 111, a shunt 114 is formed between the adjacent trusses 113, each shunt 114 has an inlet 114a and an outlet 114b, and the pillar 112 has a tube extrusion 112a A welding portion 112b, a shunt portion 112c, and a plurality of slow-flow convex portions 112d, the welding portion 112b is located between the pipe extrusion portion 112a and the shunt portion 112c, and each of the shunt channels 114 is located in the shunt portion 112c Between the annular wall 111 and the annular flow protrusions 112d are protruded from a surface 112e of the pillar 112. Preferably, the retarded protrusions 112d are arranged at equal intervals on the surface of the pillar 112. 112e.

請參閱第3及4圖,該成形模具部120結合於該分流模具部110,該成形模具部120具有一第一通孔121及一第二通孔122,該第一通孔121連通該第二通孔122,該第二通孔122連通各該分流道114的該出料口114b,該柱體112的該管擠製部112a容置於該第一通孔121以形成一管成形流道123,該柱體112的該焊合部112b位於該第二通孔122中,以形成一焊合室H,各該緩流凸部112d位於該管成形流道123上方,且各該緩流凸部112d位於各該分流道的該出料口114b下方,較佳地,各該緩流凸部112d設置於該焊合部112b,且各該緩流凸部112d位於該焊合室H中。Referring to FIGS. 3 and 4, the forming mold portion 120 is coupled to the diverting mold portion 110. The forming mold portion 120 has a first through hole 121 and a second through hole 122. The first through hole 121 communicates with the first through hole 121. Two through holes 122, the second through holes 122 communicate with the discharge opening 114b of each of the branch channels 114, and the tube extrusion portion 112a of the cylinder 112 is received in the first through hole 121 to form a tube forming flow Channel 123, the welding portion 112b of the pillar 112 is located in the second through hole 122 to form a welding chamber H, each of the slow-flow convex portions 112d is located above the tube forming flow channel 123, and each of the slow-flow convex portions 112d The flow convex portions 112d are located below the discharge outlet 114b of each of the shunts. Preferably, each of the flow convex portions 112d is disposed in the welding portion 112b, and each of the flow convex portions 112d is located in the welding chamber H. in.

請參閱第3及4圖,在本實施例中,該管擠製部112a具有一環狀擠製凸緣112h,該環狀擠製凸緣112h具有一環壁112k,該環壁112k朝向該成形模具部120,該環狀擠製凸緣112h位於該管成形流道123,各該緩流凸部112d位於該環狀擠製凸緣112h與各該分流道114的該入料口114a之間,較佳地,各該緩流凸112d部位於該環狀擠製凸緣112h與各該分流道114的該出料口114b之間。Please refer to FIGS. 3 and 4. In this embodiment, the tube extrusion portion 112 a has an annular extrusion flange 112 h, the annular extrusion flange 112 h has an annular wall 112 k, and the annular wall 112 k faces the forming. The mold part 120, the ring-shaped extrusion flange 112h is located in the tube forming flow channel 123, and each of the slow-flow convex portions 112d is located between the ring-shaped extrusion flange 112h and the inlet 114a of each of the branch channels 114 Preferably, each of the slow-flow protrusions 112d is located between the annular extrusion flange 112h and the discharge opening 114b of each of the diverting channels 114.

請參閱第3及4圖,各該緩流凸112d部具有一緩流面112f及一導流斜面112g,該導流斜面112g具有一第一端緣112i及一第二端緣112j,該第一端緣112i連接該緩流面112f,該第二端緣112j連接該柱體112的該表面112e,較佳地,該緩流面112f朝向該入料口114a,該導流斜面112g朝向該成形模具部120,各該緩流凸部112d的該緩流面112f實質上平齊,並位於同一軸向平面,即各該入料口114a至對應的各該緩流面112f的距離實質上相同。Please refer to FIGS. 3 and 4, each of the slow-flow protrusions 112d has a slow-flow surface 112f and a diversion slope 112g, and the diversion slope 112g has a first end edge 112i and a second end edge 112j. One end edge 112i is connected to the slow-flow surface 112f, and the second end edge 112j is connected to the surface 112e of the cylinder 112. Preferably, the slow-flow surface 112f faces the inlet 114a, and the diversion slope 112g faces the In the forming mold part 120, the slow-flow surfaces 112f of each of the slow-flow protrusions 112d are substantially flush with each other, and are located on the same axial plane, that is, the distance from each of the inlets 114a to the corresponding slow-flow surfaces 112f is substantially the same.

請參閱第3圖,一中心軸線L通過該柱體112中心,該中心軸線L至該環狀擠製凸緣112h的該環壁112k之間具有一第一距離d1,該中心軸線L至該第二端緣112j之間具有一第二距離d2,該第二距離d2不大於該第一距離d1,該中心軸線L至該第一端緣112i具有一第三距離d3,該第一距離d1不大於該第三距離d3。Referring to FIG. 3, a central axis L passes through the center of the column body 112. The central axis L has a first distance d1 from the annular wall 112k of the annular extruded flange 112h, and the central axis L to the There is a second distance d2 between the second end edges 112j, the second distance d2 is not greater than the first distance d1, and a third distance d3 from the central axis L to the first end edge 112i, the first distance d1 Is not greater than the third distance d3.

請參閱第1、3、4及5圖,將各該金屬材料300置入該盛錠桶200中,並以該擠壓頭400擠壓該金屬材料300,請參閱第5圖,使該金屬材料300通過該盛錠桶200後抵觸該柱體112,並被擠壓進入各該分流道114,請參閱第5及6圖,通過各該分流道114的該金屬材料300會被擠壓至該焊合室H,並經由該管成形流道123被擠出而成為一金屬管500,接著,依序再將其它金屬材料300置入該盛錠桶200中並經由該擠製金屬管的模具100被擠出,而形成複數個依序連接的金屬管500。Please refer to FIGS. 1, 3, 4 and 5, place each metal material 300 into the ingot bucket 200, and press the metal material 300 with the extrusion head 400. Please refer to FIG. 5 to make the metal After the material 300 passes the ingot bucket 200, it abuts the column 112 and is squeezed into each of the shunts 114. Please refer to FIGS. 5 and 6. The metal material 300 passing through each of the shunts 114 is squeezed to The welding chamber H is extruded through the tube forming flow channel 123 to form a metal tube 500. Then, other metal materials 300 are sequentially placed in the ingot barrel 200 and passed through the extruded metal tube. The die 100 is extruded to form a plurality of sequentially connected metal pipes 500.

請參閱第5及6圖,當前後進入該分流道114及該焊合室H的一第一金屬材料300a及一第二金屬材料300b會於該擠製金屬管的模具100中形成有一混合界面a,藉由各該緩流凸部112d緩流通過各該分流道114的該第二金屬材料300b,使第二金屬材料300b流經該焊合室H後,再經由該管成形流道123被擠出,凸設於該柱體112的該表面112e的各該緩流凸部112d能緩衝通過各該分流道114的該第二金屬材料300b,以避免該第二金屬材料300b順著該柱體112直接流向該管成形流道123,且藉由各該緩流凸部112d改變該第二金屬材料300b的流向,使該第一金屬材料300a及該第二金屬材料300b能於該焊合室H連接後再被擠出該管成形流道123,請參閱第6圖,經由該擠製金屬管的模具100所擠製的各該依序相連接的金屬管500之間具有包含一不規則連接界面500a的一待移除金屬管區段510,藉由各該緩流凸部112d使該不規則連接界面500a的延伸長度可縮短,因此能夠降低相鄰金屬管500間包含有該不規則連接界面500a的該待移除金屬管區段510的長度,由於該些待移除金屬管區段510必需被切除,因此當包含有該不規則連接界面500a的該待切除金屬管區段510的長度縮小時,相對地,即可避免造成金屬材料浪費。Please refer to FIGS. 5 and 6. A first metal material 300 a and a second metal material 300 b that enter the shunt channel 114 and the welding chamber H later form a mixed interface in the die 100 for extruding the metal pipe. a, by slowly flowing the second metal material 300b of each of the shunt channels 114 through each of the slow-flow convex portions 112d, after the second metal material 300b flows through the welding chamber H, and then through the tube forming flow channel 123 Being extruded, each of the slow-flow convex portions 112d protruding on the surface 112e of the pillar 112 can buffer the second metal material 300b passing through each of the shunts 114 to prevent the second metal material 300b from following the The pillar 112 directly flows to the tube forming flow channel 123, and the flow direction of the second metal material 300b is changed by each of the slow-flow convex portions 112d, so that the first metal material 300a and the second metal material 300b can be used in the welding. After the connecting chamber H is connected, the tube forming flow channel 123 is extruded. Please refer to FIG. 6. Each of the sequentially connected metal tubes 500 extruded through the die 100 for extruding the metal tube includes a A to-be-removed metal pipe section 510 of the irregular connection interface 500a is formed by each of the slow-flow protrusions 112d. The extended length of the irregular connection interface 500 a can be shortened, so the length of the metal pipe section 510 to be removed between adjacent metal pipes 500 including the irregular connection interface 500 a can be reduced. It must be cut off. Therefore, when the length of the metal tube section 510 including the irregular connection interface 500a is reduced, relatively speaking, metal waste can be avoided.

本發明之保護範圍當視後附之申請專利範圍所界定者為準,任何熟知此項技藝者,在不脫離本發明之精神和範圍內所作之任何變化與修改,均屬於本發明之保護範圍。The protection scope of the present invention shall be determined by the scope of the appended patent application. Any changes and modifications made by those skilled in the art without departing from the spirit and scope of the present invention shall fall within the protection scope of the present invention. .

10‧‧‧金屬管10‧‧‧ metal tube

10a‧‧‧金屬管區段 10a‧‧‧Metal pipe section

11‧‧‧不規則的連接界面 11‧‧‧ Irregular connection interface

100‧‧‧擠製金屬管的模具 100‧‧‧ Mould for Extruding Metal Pipe

110‧‧‧分流模具部 110‧‧‧Diverting mold department

111‧‧‧環牆 111‧‧‧ ring wall

112‧‧‧柱體 112‧‧‧ cylinder

112a‧‧‧管擠製部 112a‧‧‧ Tube Extrusion Department

112b‧‧‧焊合部 112b‧‧‧ Welding Department

112c‧‧‧分流部 112c‧‧‧ Diversion Division

112d‧‧‧緩流凸部 112d‧‧‧ Slow flow convex

112e‧‧‧表面 112e‧‧‧ surface

112f‧‧‧緩流面 112f‧‧‧ Slow surface

112g‧‧‧導流斜面 112g‧‧‧Diversion bevel

112h‧‧‧環狀擠製凸緣 112h‧‧‧ Ring Extrusion Flange

112i‧‧‧第一端緣 112i‧‧‧first edge

112j‧‧‧第二端緣 112j‧‧‧ second edge

112k‧‧‧環壁 112k‧‧‧ ring wall

113‧‧‧桁架 113‧‧‧truss

114‧‧‧分流道 114‧‧‧ Diversion Channel

114a‧‧‧入料口 114a‧‧‧Inlet

114b‧‧‧出料口 114b‧‧‧Discharge port

120‧‧‧成形模具部 120‧‧‧Forming mold department

121‧‧‧第一通孔 121‧‧‧first through hole

122‧‧‧第二通孔 122‧‧‧Second through hole

123‧‧‧管成形流道 123‧‧‧pipe forming runner

200‧‧‧盛錠桶 200‧‧‧Ingot bucket

300‧‧‧金屬材料 300‧‧‧ metallic materials

300a‧‧‧第一金屬材料 300a‧‧‧First metal material

300b‧‧‧第二金屬材料 300b‧‧‧Second metal material

400‧‧‧擠壓頭 400‧‧‧ Extrusion head

500‧‧‧金屬管 500‧‧‧ metal tube

500a‧‧‧不規則連接界面 500a‧‧‧Irregular connection interface

510‧‧‧待切除金屬管區段 510‧‧‧ metal tube section to be cut

a‧‧‧連接界面 a‧‧‧connection interface

d1‧‧‧第一距離 d1‧‧‧first distance

d2‧‧‧第二距離 d2‧‧‧second distance

d3‧‧‧第三距離 d3‧‧‧ third distance

H‧‧‧焊合室 H‧‧‧welding room

L‧‧‧中心軸線 L‧‧‧ center axis

第1圖:以習知的擠製模具所擠製的金屬管的立體圖。 第2圖:本發明金屬管擠製模具與盛錠桶、金屬材料、擠壓頭的立體圖。 第3圖:本發明金屬管擠製模具的分解剖視圖。 第4圖:本發明金屬管擠製模具的立體組合剖視圖。 第5圖:金屬材料被擠入本發明金屬管擠製模具的示意圖。 第6圖:以本發明金屬管擠製模具擠製的金屬管的立體圖。Figure 1: A perspective view of a metal pipe extruded by a conventional extrusion die. Figure 2: A perspective view of the metal tube extrusion die, ingot holder, metal material, and extrusion head of the present invention. Fig. 3: An exploded view of a metal tube extrusion die according to the present invention. Figure 4: A three-dimensional combined sectional view of a metal tube extrusion die of the present invention. Figure 5: A schematic view of a metal material being extruded into a metal tube extrusion die of the present invention. FIG. 6 is a perspective view of a metal pipe extruded by the metal pipe extrusion die of the present invention.

Claims (11)

一種金屬管擠製模具,用以將複數個金屬材料擠製成複數個依序連接的金屬管,該金屬管擠製模具包含:一分流模具部,具有一環牆、一柱體及複數個桁架,該環牆環繞該柱體,且該些桁架分別連接該柱體及該環牆,使相鄰的該桁架之間形成有一分流道,各該分流道具有一入料口及一出料口,該柱體具有一管擠製部及複數個緩流凸部,各該緩流凸部凸設於該柱體的一表面;以及一成形模具部,結合於該分流模具部,該成形模具部具有一第一通孔及一第二通孔,該第一通孔連通該第二通孔,該第二通孔連通各該分流道的該出料口,該第二通孔位在各該分流道的該出料口與該第一通孔之間,且各該緩流凸部位在該第二通孔中,該柱體的該管擠製部容置於該第一通孔以形成一管成形流道,各該緩流凸部位於該管成形流道上方。A metal pipe extrusion die is used to extrude a plurality of metal materials into a plurality of sequentially connected metal pipes. The metal pipe extrusion die includes: a diverting mold part, which has a ring wall, a column and a plurality of trusses. The ring wall surrounds the column, and the trusses are connected to the column and the ring wall, respectively, so that a shunt channel is formed between adjacent trusses, and each shunt prop has an inlet and an outlet, The cylinder has a tube extrusion portion and a plurality of retarded convex portions, each of the retarded convex portions is protruded on a surface of the column; and a forming mold portion is combined with the diverting mold portion and the forming mold portion. There is a first through hole and a second through hole, the first through hole communicates with the second through hole, the second through hole communicates with the discharge opening of each of the shunts, and the second through hole is located at each of the Between the discharge port of the shunt channel and the first through hole, and each of the slow flow convex portions is in the second through hole, and the tube extrusion part of the cylinder is accommodated in the first through hole to form A tube forming flow channel, each of the slow-flow convex portions is located above the tube forming flow channel. 如申請專利範圍第1項所述之金屬管擠製模具,其中該些緩流凸部等距地間隔排列於該柱體的該表面。According to the metal tube extrusion die described in the first item of the patent application scope, the slow-flow protrusions are arranged at equal intervals on the surface of the cylinder. 如申請專利範圍第2項所述之金屬管擠製模具,其中各該緩流凸部具有一緩流面,該緩流面朝向該入料口。According to the metal tube extrusion die described in item 2 of the scope of the patent application, each of the slow-flow protrusions has a slow-flow surface, and the slow-flow surface faces the inlet. 如申請專利範圍第3項所述之金屬管擠製模具,其中各該緩流凸部的該緩流面實質上平齊,並位於同一軸向平面。According to the metal tube extrusion die described in item 3 of the scope of the patent application, the slow-flow surfaces of the slow-flow protrusions are substantially flush and located on the same axial plane. 如申請專利範圍第3項所述之金屬管擠製模具,其中各該緩流凸部具有一導流斜面,該導流斜面朝向該成形模具部。According to the metal tube extrusion die described in item 3 of the scope of the patent application, each of the slow-flow convex portions has a diversion inclined surface, and the diversion inclined surface faces the forming mold portion. 如申請專利範圍第1、2、3、4或5項所述之金屬管擠製模具,其中該柱體包含一焊合部及一分流部,該焊合部位於該管擠製部及該分流部之間,各該分流道位於分流部與該環牆之間,該焊合部位於該第二通孔中,以形成為一焊合室,各該緩流凸部設置於該焊合部,且各該緩流凸部位於該焊合室中。According to the metal pipe extrusion die described in the scope of application for patent No. 1, 2, 3, 4 or 5, wherein the cylinder includes a welding portion and a diverting portion, the welding portion is located in the pipe extrusion portion and the Between the shunts, each of the shunts is located between the shunt and the ring wall, and the welding portion is located in the second through hole to form a welding chamber, and each of the slow-flow protrusions is provided at the welding. And each of the slow-flow convex portions is located in the welding chamber. 如申請專利範圍第1項所述之金屬管擠製模具,其中各該緩流凸部位於各該分流道的該出料口下方。According to the metal tube extrusion die described in item 1 of the scope of patent application, each of the slow-flow protrusions is located below the discharge port of each of the diverting channels. 如申請專利範圍第1項所述之金屬管擠製模具,其中該管擠製部具有一環狀擠製凸緣,該環狀擠製凸緣位於該管成形流道,各該緩流凸部位於該環狀擠製凸緣與各該分流道的該入料口之間。The metal pipe extrusion die according to item 1 of the patent application scope, wherein the pipe extrusion part has an annular extrusion flange, the annular extrusion flange is located in the pipe forming flow channel, and each of the slow-flow protrusions The portion is located between the annular extrusion flange and the feed inlet of each of the diverting channels. 如申請專利範圍第8項所述之金屬管擠製模具,其中各該緩流凸部位於該環狀擠製凸緣與各該分流道的該出料口之間。According to the metal tube extrusion die described in item 8 of the scope of the patent application, each of the slow-flow protrusions is located between the annular extrusion flange and the discharge port of each of the diverting channels. 如申請專利範圍第8項所述之金屬管擠製模具,其中一中心軸線通過該柱體中心,各該緩流凸部具有一緩流面及一導流斜面,該導流斜面具有一第一端緣及一第二端緣,該第一端緣連接該緩流面,該第二端緣連接該柱體的該表面,該中心軸線至該環狀擠製凸緣的一環壁之間具有一第一距離,該中心軸線至該第二端緣之間具有一第二距離,該第二距離不大於該第一距離。According to the metal tube extrusion die described in the patent application No. 8, one of the central axes passes through the center of the cylinder, and each of the slow-flow protrusions has a slow-flow surface and a diversion slope. The diversion mask has a first One end edge and a second end edge, the first end edge is connected to the slow flow surface, the second end edge is connected to the surface of the cylinder, and the center axis is between an annular wall of the annular extrusion flange There is a first distance, a second distance from the central axis to the second end edge, and the second distance is not greater than the first distance. 如申請專利範圍第10項所述之金屬管擠製模具,其中該中心軸線至該第一端緣具有一第三距離,該第一距離不大於該第三距離。According to the metal tube extrusion die described in item 10 of the patent application scope, wherein the center axis has a third distance from the first end edge, and the first distance is not greater than the third distance.
TW107142338A 2018-11-27 2018-11-27 Die for metal tube extrusion TWI680023B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57130719A (en) * 1981-02-02 1982-08-13 Sumitomo Metal Ind Ltd Hot extrusion forming method for inside stepped tube
US5061163A (en) * 1988-07-19 1991-10-29 United Kingdom Atomic Energy Authority Die assembly
CN201073658Y (en) * 2007-07-03 2008-06-18 江阴市江顺模具有限公司 Hot extrusion die for large cylinder pipe aluminum profiles
JP2009220153A (en) * 2008-03-17 2009-10-01 Aisin Keikinzoku Co Ltd Method of manufacturing tube with spirally grooved inside surface and its device
CN202984324U (en) * 2012-11-23 2013-06-12 辽源飞跃工模具有限公司 Thick-wall hollow aluminum profile extrusion die of mold core belt flow blocking table
TW201741043A (en) * 2016-05-25 2017-12-01 國立中山大學 Die structure of extrusion metal tube

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57130719A (en) * 1981-02-02 1982-08-13 Sumitomo Metal Ind Ltd Hot extrusion forming method for inside stepped tube
US5061163A (en) * 1988-07-19 1991-10-29 United Kingdom Atomic Energy Authority Die assembly
CN201073658Y (en) * 2007-07-03 2008-06-18 江阴市江顺模具有限公司 Hot extrusion die for large cylinder pipe aluminum profiles
JP2009220153A (en) * 2008-03-17 2009-10-01 Aisin Keikinzoku Co Ltd Method of manufacturing tube with spirally grooved inside surface and its device
CN202984324U (en) * 2012-11-23 2013-06-12 辽源飞跃工模具有限公司 Thick-wall hollow aluminum profile extrusion die of mold core belt flow blocking table
TW201741043A (en) * 2016-05-25 2017-12-01 國立中山大學 Die structure of extrusion metal tube

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