CN112485117A - Tension die for detecting welding strength of IGCT (integrated gate commutated thyristor) tube shell - Google Patents

Tension die for detecting welding strength of IGCT (integrated gate commutated thyristor) tube shell Download PDF

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Publication number
CN112485117A
CN112485117A CN202011413073.5A CN202011413073A CN112485117A CN 112485117 A CN112485117 A CN 112485117A CN 202011413073 A CN202011413073 A CN 202011413073A CN 112485117 A CN112485117 A CN 112485117A
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flange
clamp unit
ceramic
ceramics
thick
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张琼
陈蓓璐
陈强
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Jiangyin Saiying Electron Co ltd
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Jiangyin Saiying Electron Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G01N3/04—Chucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001—Type of application of the stress
    • G01N2203/0003—Steady
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0017—Tensile
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/025—Geometry of the test
    • G01N2203/0258—Non axial, i.e. the forces not being applied along an axis of symmetry of the specimen
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/026—Specifications of the specimen
    • G01N2203/0296—Welds
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/04—Chucks, fixtures, jaws, holders or anvils
    • G01N2203/0423—Chucks, fixtures, jaws, holders or anvils using screws
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/04—Chucks, fixtures, jaws, holders or anvils
    • G01N2203/0458—Chucks, fixtures, jaws, holders or anvils characterised by their material

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
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  • General Physics & Mathematics (AREA)
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  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

本发明涉及一种用于检测IGCT管壳焊接强度的拉力模具。包括上夹具单元和下夹具单元，所述上夹具单元和下夹具单元之间设置陶瓷，形成一个整体，将所述下夹具单元设于支撑环内，且所述上夹具单元支撑于支撑环顶面，使得所述下夹具腾空设置；所述陶瓷包括薄陶瓷和厚陶瓷，所述薄陶瓷设于厚陶瓷下方，且两者通过连接法兰固定连接；所述厚陶瓷顶部设置第一法兰，所述薄陶瓷底部设置第二法兰；所述第一法兰固定于上夹具单元，所述第二法兰固定于下夹具单元；拉力测试时，对所述第一法兰和第二法兰分别施加拉力。本申请不仅能够同时测试薄陶瓷表面金属层和厚陶瓷表面金属层的抗拉力强度，而且还能检测薄陶瓷和厚陶瓷连接处的抗拉力强度。

Figure 202011413073

The invention relates to a tension die for detecting the welding strength of an IGCT tube shell. It includes an upper clamp unit and a lower clamp unit, ceramics are arranged between the upper clamp unit and the lower clamp unit to form a whole, the lower clamp unit is set in the support ring, and the upper clamp unit is supported on the top of the support ring so that the lower fixture is set in the air; the ceramics include thin ceramics and thick ceramics, the thin ceramics are arranged below the thick ceramics, and the two are fixedly connected by connecting flanges; the top of the thick ceramics is provided with a first flange , the thin ceramic bottom is provided with a second flange; the first flange is fixed to the upper fixture unit, and the second flange is fixed to the lower fixture unit; during the tensile test, the first flange and the second flange are The flanges apply tension separately. The present application can not only test the tensile strength of the thin ceramic surface metal layer and the thick ceramic surface metal layer at the same time, but also test the tensile strength of the joint between the thin ceramic and the thick ceramic.

Figure 202011413073

Description

Tension die for detecting welding strength of IGCT (integrated gate commutated thyristor) tube shell
Technical Field
The invention relates to a tension die for detecting the welding strength of an IGCT tube shell, and belongs to the technical field of IGCT tube shell welding strength detection auxiliary equipment.
Background
The ceramic does not have solderability, so that the brazing between the ceramic and the metal piece can be realized only by covering a metal layer on the surface of the ceramic. For ceramic envelope, the tensile strength is a very important indicator, the higher the tensile strength, the higher the reliability of the envelope. The tension die is a tool of great importance for checking tensile strength. Traditional tensile test mould need weld copper spare, flange, pottery jointly, and during tensile test, the power is used in on the copper spare, carries out welding strength tensile test to it. Aiming at thin ceramic, thick ceramic and double-flange assembled and brazed IGCT (integrated gate commutated thyristor) tube shells, the tensile strength of metal layers of upper and lower ceramic layers needs to be verified simultaneously, and due to the lack of electrodes, a traditional tensile die cannot perform a tensile strength test on the welding part of the IGCT tube shells.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a tension die for detecting the welding strength of an IGCT tube shell aiming at the prior art, which is suitable for an electrodeless IGCT tube shell, avoids the welding of a copper piece and a flange, and can simultaneously test the tensile strength of metal layers on a thin ceramic end face and a thick ceramic end face.
The technical scheme adopted by the invention for solving the problems is as follows: a tension die for detecting the welding strength of an IGCT tube shell comprises an upper clamp unit and a lower clamp unit which are arranged oppositely from top to bottom, wherein ceramics are arranged between the upper clamp unit and the lower clamp unit to form a whole, the lower clamp unit is arranged in a support ring, and the upper clamp unit is supported on the top surface of the support ring, so that the lower clamp is arranged in an empty state; the ceramic comprises thin ceramic and thick ceramic, the thin ceramic is arranged below the thick ceramic, and the thin ceramic and the thick ceramic are fixedly connected through a connecting flange; the top of the thick ceramic is provided with a first flange, and the bottom of the thin ceramic is provided with a second flange; the first flange is fixed on the upper clamp unit, and the second flange is fixed on the lower clamp unit; and during the tension test, respectively applying tension to the first flange and the second flange.
The upper clamp unit comprises an upper clamp seat and an upper clamp cover, a first object placing hole is formed in the center of the upper clamp seat, thick ceramic is arranged in the first object placing hole, the edge of the first flange is erected on the top surface of the upper clamp seat, the upper clamp cover covers the upper clamp seat, and the upper clamp seat and the upper clamp cover are fixedly connected.
The first object placing hole is step-shaped and is matched with the thick ceramic.
The lower clamp unit comprises a lower clamp seat and a lower clamp cover, a second object placing hole is formed in the center of the lower clamp cover, the thin ceramic is arranged in the second object placing hole, the edge of a second flange is attached to the bottom surface of the lower clamp cover, and the lower clamp seat is arranged at the bottom of the lower clamp cover and fixedly connected with the lower clamp seat.
The second object placing hole is step-shaped and is matched with the thin ceramic.
Compared with the prior art, the invention has the advantages that: a first flange and a second flange are respectively welded on two end faces of ceramic, the first flange is fixed between an upper clamping seat and an upper clamping cover, and the second flange is fixed between a lower clamping seat and a lower clamping cover. During tensile test, tensile force acts on the first flange and the second flange, so that tensile strength of the thin ceramic surface metal layer and the thick ceramic surface metal layer can be tested simultaneously, and tensile strength of a joint of the thin ceramic and the thick ceramic can be detected.
Drawings
FIG. 1 is a schematic diagram of a tension mold for testing the welding strength of an IGCT tube shell according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
in the figure, 1 an upper clamping cover, 2 an upper clamping seat, 3 a lower clamping cover, 4 a lower clamping seat, 5 a support ring, 6 ceramics, 6.1 a first flange, 6.2 thick ceramics, 6.3 a second flange, 6.4 thin ceramics and 6.5 a connecting flange.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 and 2, the drawing die for detecting the welding strength of the IGCT tube shell in this embodiment includes an upper clamp unit and a lower clamp unit which are arranged opposite to each other, and a ceramic 6 is arranged between the upper clamp unit and the lower clamp unit to form a whole. The ceramic 6 comprises thick ceramic 6.2 and thin ceramic 6.4, the thin ceramic 6.4 is arranged at the bottom of the thick ceramic 6.2, and the thick ceramic and the thin ceramic are fixed by welding through a connecting flange 6.5. A first flange 6.1 is welded on the top of the thick ceramic 6.2, the diameter of the first flange 6.1 is larger than that of the thick ceramic 6.2, and the first flange 6.1 is arranged in the upper clamp unit; the bottom of the thin ceramic 6.4 is welded with a second flange 6.3, the diameter of the second flange 6.3 is larger than that of the thin ceramic 6.4, and the second flange 6.3 is arranged in the lower clamp unit. The outer diameter of the upper clamp unit is larger than that of the lower clamp unit, the lower clamp unit is arranged inside the support ring 5, and the bottom of the upper clamp unit is supported on the top surface of the support ring 5, so that the lower clamp unit is arranged in an empty mode, and the lower clamp unit is convenient to apply pulling force.
The upper clamp unit comprises an upper clamp holder 2 and an upper clamp cover 1, a first step hole is formed in the center of the upper clamp holder 2 and is matched with thick ceramic 6.2, the thick ceramic 6.2 is arranged in the first step hole, the outer edge of a first flange 6.1 is erected on the top surface of the upper clamp holder 2, the upper clamp cover 1 covers the upper clamp holder 2, and the first flange 6.1 is arranged between the upper clamp holder 2 and the upper clamp cover 1. Go up on holder 2 and the upper clamping cover 1 respectively the hoop evenly spaced set up 6 first bolt holes, and first bolt hole and first flange 6.1 mutually noninterfere wear to establish corresponding first bolt hole respectively with 6 first bolts for first flange 6.1 is fixed in between holder 2 and the upper clamping cover 1.
The lower clamp unit comprises a lower clamp seat 4 and a lower clamp cover 3, a second step hole is formed in the center of the lower clamp cover 3, and the first step hole and the second step hole are arranged oppositely to form an object placing cavity. The first stepped hole is matched with the thin ceramic 6.4, so that the thin ceramic 6.4 is arranged in the second stepped hole, the outer edge of the second flange 6.3 is arranged on the bottom surface of the lower clamping cover 3, the lower clamping cover 3 covers the lower clamping seat 4, and the second flange 6.3 is arranged between the lower clamping cover 3 and the lower clamping seat 4. And 6 second bolt holes are respectively formed in the lower clamping seat 4 and the lower clamping cover 3 at intervals in the circumferential direction, the second bolt holes and the second flanges 6.3 do not interfere with each other, and the 6 second bolts are respectively arranged in the corresponding second bolt holes in a penetrating manner, so that the second flanges 6.3 are fixed between the lower clamping seat 4 and the lower clamping cover 3.
According to the ceramic clamping device, the first flange 6.1 and the second flange 6.3 are welded on two end faces of the ceramic 6 respectively, the first flange 6.1 is fixed between the upper clamping seat 2 and the upper clamping cover 1, and the second flange 6.3 is fixed between the lower clamping seat 4 and the lower clamping cover 3. During the tensile test, tensile force acts on the first flange 6.1 and the second flange 6.3, so that the tensile strength of the thin ceramic surface metal layer and the thick ceramic surface metal layer can be tested simultaneously, and the tensile strength of the joint of the thin ceramic and the thick ceramic can be detected.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.

Claims (5)

1.一种用于检测IGCT管壳焊接强度的拉力模具，其特征在于：包括上下相对设置的上夹具单元和下夹具单元，所述上夹具单元和下夹具单元之间设置陶瓷(6)，形成一个整体，将所述下夹具单元设于支撑环(5)内，且所述上夹具单元支撑于支撑环(5)顶面，使得所述下夹具腾空设置；所述陶瓷(6)包括薄陶瓷(6.4)和厚陶瓷(6.2)，所述薄陶瓷(6.4)设于厚陶瓷(6.2)下方，且两者通过连接法兰(6.5)固定连接；所述厚陶瓷(6.2)顶部设置第一法兰(6.1)，所述薄陶瓷(6.4)底部设置第二法兰(6.3)；所述第一法兰(6.1)固定于上夹具单元，所述第二法兰(6.3)固定于下夹具单元；拉力测试时，对所述第一法兰(6.1)和第二法兰(6.3)分别施加拉力。1. a tension die for detecting the welding strength of IGCT shell, it is characterized in that: comprise the upper clamp unit and the lower clamp unit that are arranged oppositely up and down, ceramics (6) is provided between the described upper clamp unit and the lower clamp unit, To form a whole, the lower clamp unit is arranged in the support ring (5), and the upper clamp unit is supported on the top surface of the support ring (5), so that the lower clamp is set in the air; the ceramic (6) includes Thin ceramics (6.4) and thick ceramics (6.2), the thin ceramics (6.4) are arranged below the thick ceramics (6.2), and the two are fixedly connected by connecting flanges (6.5); the thick ceramics (6.2) are arranged at the top A first flange (6.1), a second flange (6.3) is provided at the bottom of the thin ceramic (6.4); the first flange (6.1) is fixed to the upper fixture unit, and the second flange (6.3) is fixed In the lower fixture unit; during the tensile test, apply tensile force to the first flange (6.1) and the second flange (6.3) respectively. 2.根据权利要求1所述的一种用于检测IGCT管壳焊接强度的拉力模具，其特征在于：所述上夹具单元包括上夹座(2)和上夹盖(1)，所述上夹座(2)中心开设第一置物孔，使得所述厚陶瓷(6.2)设于第一置物孔且所述第一法兰(6.1)边缘架设于上夹座(2)顶面，所述上夹盖(1)盖合于上夹座(2)，且两者固定连接。2. A tensile die for detecting the welding strength of IGCT shell according to claim 1, characterized in that: the upper clamp unit comprises an upper clamp seat (2) and an upper clamp cover (1), the upper clamp unit The center of the clamping seat (2) is provided with a first storage hole, so that the thick ceramic (6.2) is arranged in the first storage hole and the edge of the first flange (6.1) is erected on the top surface of the upper clamping seat (2). The upper clip cover (1) is covered with the upper clip seat (2), and the two are fixedly connected. 3.根据权利要求2所述的一种用于检测IGCT管壳焊接强度的拉力模具，其特征在于：所述第一置物孔为台阶状，且所述第一置物孔与厚陶瓷(6.2)相匹配。3. A tensile die for testing the welding strength of IGCT shell according to claim 2, characterized in that: the first storage hole is stepped, and the first storage hole and the thick ceramic (6.2) match. 4.根据权利要求1所述的一种用于检测IGCT管壳焊接强度的拉力模具，其特征在于：所述下夹具单元包括下夹座(4)和下夹盖(3)，所述下夹盖(3)中心开设第二置物孔，使得所述薄陶瓷(6.4)设于第二置物孔内且第二法兰(6.3)边缘贴于下夹盖(3底面，所述下夹座(4)设于下夹盖(3)底部，且两者固定连接。4. A tensile die for detecting the welding strength of an IGCT shell according to claim 1, wherein the lower clamp unit comprises a lower clamp base (4) and a lower clamp cover (3), and the lower clamp unit comprises a lower clamp base (4) and a lower clamp cover (3). A second storage hole is opened in the center of the clip cover (3), so that the thin ceramic (6.4) is arranged in the second storage hole and the edge of the second flange (6.3) is attached to the bottom surface of the lower clip cover (3), and the lower clip seat (4) is arranged at the bottom of the lower clip cover (3), and the two are fixedly connected. 5.根据权利要求4所述的一种用于检测IGCT管壳焊接强度的拉力模具，其特征在于：所述第二置物孔为台阶状，且所述第二置物孔与薄陶瓷(6.4)相匹配。5. A tensile die for testing the welding strength of IGCT shell according to claim 4, characterized in that: the second storage hole is stepped, and the second storage hole and the thin ceramic (6.4) match.
CN202011413073.5A 2020-12-07 2020-12-07 Tension die for detecting welding strength of IGCT (integrated gate commutated thyristor) tube shell Pending CN112485117A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202886186U (en) * 2012-09-24 2013-04-17 江苏兴达钢帘线股份有限公司 Spool tension testing clamp
CN103674690A (en) * 2012-09-24 2014-03-26 江苏兴达钢帘线股份有限公司 Tensile test fixture for spool
CN204882223U (en) * 2015-07-31 2015-12-16 江阴市产品质量监督检验所 But loosening wedge load test anchor clamps
CN207703623U (en) * 2018-01-04 2018-08-07 娄底市海天特种陶瓷有限公司 Ceramic-to-metal seal tensile strength test fixture
CN208366712U (en) * 2018-07-11 2019-01-11 石家庄科佳建筑工程技术有限公司 A kind of plastic pipe pressure test fixture
CN209372558U (en) * 2018-10-10 2019-09-10 萍乡电瓷厂电力电器有限公司 A kind of dedicated tension force tester of electrotechnical porcelain product
CN214010903U (en) * 2020-12-07 2021-08-20 江阴市赛英电子股份有限公司 A tensile die for testing the welding strength of IGCT shell

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202886186U (en) * 2012-09-24 2013-04-17 江苏兴达钢帘线股份有限公司 Spool tension testing clamp
CN103674690A (en) * 2012-09-24 2014-03-26 江苏兴达钢帘线股份有限公司 Tensile test fixture for spool
CN204882223U (en) * 2015-07-31 2015-12-16 江阴市产品质量监督检验所 But loosening wedge load test anchor clamps
CN207703623U (en) * 2018-01-04 2018-08-07 娄底市海天特种陶瓷有限公司 Ceramic-to-metal seal tensile strength test fixture
CN208366712U (en) * 2018-07-11 2019-01-11 石家庄科佳建筑工程技术有限公司 A kind of plastic pipe pressure test fixture
CN209372558U (en) * 2018-10-10 2019-09-10 萍乡电瓷厂电力电器有限公司 A kind of dedicated tension force tester of electrotechnical porcelain product
CN214010903U (en) * 2020-12-07 2021-08-20 江阴市赛英电子股份有限公司 A tensile die for testing the welding strength of IGCT shell

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