WO2021139029A1 - 一种转轴焊接用夹具 - Google Patents

一种转轴焊接用夹具 Download PDF

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Publication number
WO2021139029A1
WO2021139029A1 PCT/CN2020/085450 CN2020085450W WO2021139029A1 WO 2021139029 A1 WO2021139029 A1 WO 2021139029A1 CN 2020085450 W CN2020085450 W CN 2020085450W WO 2021139029 A1 WO2021139029 A1 WO 2021139029A1
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WIPO (PCT)
Prior art keywords
clamping
positioning
rotating shaft
assembly
welding
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PCT/CN2020/085450
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English (en)
French (fr)
Inventor
张玉兰
陈剑
吴勇
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昆山慧智柏电子科技有限公司
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Publication of WO2021139029A1 publication Critical patent/WO2021139029A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps

Definitions

  • the utility model belongs to the technical field of welding jigs, and in particular relates to a fixture for rotating shaft welding.
  • the notebook computer shaft includes a shaft cavity and a baffle set on the inner wall of the shaft shell.
  • the trial production stage of the product is to use solid aluminum alloy to be processed by CNC to process it into the required size and shape. This method takes a long time and is efficient. It is low, and wastes materials, it is only suitable for producing a small amount of samples in the proofing stage.
  • the main technical problem solved by the utility model is to provide a jig for welding shafts, which has a simplified structure.
  • the product is always close to the positioning component during the welding process, and the high temperature welding will not deform the baffle.
  • the utility model provides a fixture for welding a rotating shaft.
  • the rotating shaft includes a hollow rotating shaft cavity and a baffle piece welded to the rotating shaft cavity.
  • Matching profiling positioning assembly the clamping assembly is provided with two sets of left clamping assembly and right clamping assembly, the fixing seat is installed above the base, and the left clamping part is installed at the top of the base.
  • the right clamping member is installed on the right side of the base, the profiling positioning component is installed on the fixing seat, and the rotating shaft is sleeved on the profiling positioning component;
  • Each of the clamping components includes a manual toggle clamp, a support block, a guide post, and a clamping block.
  • the support block is installed on the base, and the guide post passes through the upper part of the support block, and one end of the support block is connected to the upper part of the support block.
  • the manual toggle clamp is connected, and the other end is connected with the clamping block.
  • the manual toggle clamp drives the clamping block to move closer to the middle to position the rotating shaft.
  • the profiling positioning assembly includes a positioning column and a positioning sleeve arranged on the outer periphery of the positioning column, the positioning sleeve is inserted into the positioning hole provided in the fixing seat after the positioning column is sleeved, and the positioning column The upper end is higher than the upper surface of the positioning sleeve.
  • the positioning hole is a through hole extending from the upper surface to the lower surface of the fixing seat. After the positioning component is inserted into the positioning hole, the base forms a lower limit for the positioning component.
  • the clamping block is a glass fiber block.
  • clamping block of the left clamping assembly is defined as a left positioning block, and the clamping surface of the left clamping block extends outward to form a clamping protrusion for improving the clamping force.
  • profiling positioning and clamping assembly is provided with two groups.
  • the utility model includes a base, a fixing seat, a clamping assembly and a profiling positioning assembly matched with a rotating shaft.
  • the clamping assembly is provided with two sets of left clamping assembly and right clamping assembly.
  • the fixing base is installed on the left clamping
  • the right clamping piece is installed on the left side of the base, the right clamping piece is installed on the right side of the base, the profiling positioning component is installed on the fixing seat, and the rotating shaft is sleeved on the profiling positioning component;
  • each of the clamping components includes a manual toggle clamp and a support Block, guide post and clamping block, the guide post passes through the upper part of the support block, and one end of which is connected with the manual toggle clamp, and the other end is connected with the clamping block.
  • the manual toggle clamp drives the clamping block to move closer to the middle to make the rotating shaft Positioning, thereby realizing the welding of the shaft cavity and the baffle; through the left and right clamping components, the product is always attached to the positioning component during the welding process, and the welding high temperature will not deform the baffle, ensuring the flatness of the baffle surface , Improve welding quality and product processing speed;
  • clamping block of the present invention can be a glass fiber block, which can not only play the role of clamping and positioning, but also will not scratch the surface of the product;
  • the profiling positioning and clamping assembly of the present invention is provided with two sets, and after the rotating shaft cavity is placed in the positioning assembly, the openings of the two rotating shaft cavities are opposed to each other.
  • This structure makes the side of the rotating shaft cavity and the baffle plate be welded. Later, the two rotating shafts can be reversed to realize the welding of the rotating shaft and the other side of the baffle, which is convenient and fast, and improves the welding efficiency.
  • Figure 1 is a schematic diagram of the appearance of the utility model (the state of the clamping shaft);
  • FIG. 3 is a schematic diagram of the structure of the fixing seat of the present invention.
  • Figure 3 is one of the exploded structural schematic diagrams of the fixing seat of the present invention.
  • Figure 4 is the second schematic diagram of the exploded structure of the fixing seat of the present invention.
  • Embodiment A fixture for welding a rotating shaft, as shown in Figures 1 to 4, the rotating shaft 10 includes a hollow rotating shaft cavity 101 and a baffle 102 welded to the rotating shaft cavity.
  • the jig includes a base 20 and a fixed shaft.
  • the seat 30, the clamping assembly and the profiling positioning assembly 40 matched with the rotating shaft.
  • the clamping assembly is provided with two sets of the left clamping assembly 50 and the right clamping assembly 60.
  • the fixing seat is installed at Above the base, the left clamping piece is installed on the left side of the base, the right clamping piece is installed on the right side of the base, and the profiling positioning assembly is installed on the fixing seat, so The rotating shaft is sleeved on the profiling positioning assembly;
  • Each of the clamping components includes a manual toggle clamp 501, a support block 502, a guide post 503, and a clamping block 504.
  • the support block is installed on the base, and the guide post passes through the upper part of the support block.
  • One end is connected with the manual toggle clamp, and the other end is connected with the clamping block.
  • the manual toggle clamp drives the clamping block to move closer to the middle to position the rotating shaft.
  • the manual elbow clamp is the prior art, and the working principle is not described in detail.
  • the profiling positioning assembly includes a positioning post 401 and a positioning sleeve 402 provided on the outer periphery of the positioning post.
  • the positioning sleeve is inserted into the positioning hole 301 provided in the fixing seat after the positioning post is sleeved.
  • the upper end of the positioning column is higher than the upper surface of the positioning sleeve.
  • the positioning hole is a through hole extending from the upper surface to the lower surface of the fixing seat. After the positioning component is inserted into the positioning hole, the base forms a lower limit for the positioning component.
  • the clamping block is a glass fiber block, which can play the role of clamping and positioning without scratching the surface of the product.
  • the clamping block of the left clamping assembly is defined as a left positioning block, and the clamping surface of the left clamping block extends outward to form a clamping protrusion 5041 for improving clamping force.
  • the profiling positioning and clamping assembly is provided with two groups, and after the rotating shaft cavity is placed on the positioning assembly, the openings of the two rotating shaft cavities are opposite to each other.
  • the two shafts are swapped to realize the welding of the shaft and the other side of the baffle.
  • the clamping block can be a glass fiber block, which can play the role of clamping and positioning without scratching the surface of the product;

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Connection Of Plates (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

一种转轴焊接用夹具，包括底座（20）、固定座（30）、夹持组件和与转轴相匹配的仿形定位组件（40），夹持组件设有两组且分别为左夹持组件（50）和右夹持组件（60），左夹持件安装于底座的左侧，右夹持件安装于底座的右侧，仿形定位组件安装于固定座，转轴套装于仿形定位组件；每一夹持组件皆包括手动肘夹（501）、支撑块（502）、导柱（503）和夹持块（504），支撑块安装于底座，导柱穿过支撑块的上部，且其一端与手动肘夹连接，另一端与夹持块连接，通过手动肘夹驱动夹持块向中间靠拢将所述转轴定位。该夹具结构精简，通过左、右夹持组件，使得产品在焊接过程中始终贴紧于定位组件，焊接高温也不会使得挡片变形，保证挡片表面的平整度，提高焊接质量和产品的加工速度。

Description

一种转轴焊接用夹具 技术领域
本实用新型属于焊接治具技术领域，尤其涉及到一种转轴焊接用夹具。
背景技术
笔记本电脑转轴包括转轴腔和设于转轴壳的内壁面的挡片，产品试产阶段是采用实心的铝合金经CNC加工，将其加工成所需的尺寸和形状，此方式加工时间长，效率低，且浪费材料，只是适合打样阶段生产少量的样品。
因此，本领域技术人员考虑，采用铝挤转轴和挡片焊接的方式加工上述产品，因此，就需要研究一款专门的装夹治具，以实现焊接过程中的转轴壳和挡片的定位。
实用新型内容
本实用新型主要解决的技术问题是提供一种转轴焊接用夹具，结构精简，通过左、右夹持组件，使得产品在焊接过程中始终贴紧于定位组件，焊接高温也不会使得挡片变形，保证挡片表面的平整度，提高焊接质量和产品的加工速度。
为解决上述技术问题，本实用新型采用的一个技术方案是：
本实用新型提供了一种转轴焊接用夹具，所述转轴包括一中空的转轴腔和焊接于所述转轴腔的挡片，所述夹具包括底座、固定座、夹持组件和与所述转轴相匹配的仿形定位组件，所述夹持组件设有两组且分别为左夹持组件和右夹持组件，所述固定座安装于所述底座的上方，所述左夹持件安装于所述底座的左侧，所述右夹持件安装于所述底座的右侧，所述仿形定位组件安装于所述固定座，所述转轴套装于所述仿形定位组件；
每一所述夹持组件皆包括手动肘夹、支撑块、导柱和夹持块，所述支撑块安装于所述底座，所述导柱穿过所述支撑块的上部，且其一端与所述手动肘夹连接，另一端与所述夹持块连接，通过手动肘夹驱动所述夹持块向中间靠拢将所述转轴定位。
进一步地说，所述仿形定位组件包括定位柱和设于所述定位柱外周的定位套，所述定位套套于所述定位柱之后插入所述固定座设有的定位孔，所述定位柱的上端高出于所述定位套的上表面。
进一步地说，所述定位孔为从所述固定座的上表面延伸至下表面的通孔，所述定位组件插入所述定位孔后，所述底座对所述定位组件形成下限位。
进一步地说，所述夹持块为玻璃纤维块。
进一步地说，定义所述左夹持组件的夹持块为左定位块，所述左夹持块的夹持面向外延伸形成用于提高夹持力的夹持凸起。
进一步地说，所述底座与所述固定座之间为可拆卸连接。
进一步地说，所述仿形定位夹持组件设有两组。
本实用新型的有益效果是：
本实用新型包括底座、固定座、夹持组件和与转轴相匹配的仿形定位组件，夹持组件设有两组且分别为左夹持组件和右夹持组件，固定座安装于左夹持件安装于底座的左侧，右夹持件安装于底座的右侧，仿形定位组件安装于固定座，转轴套装于仿形定位组件；每一所述夹持组件皆包括手动肘夹、支撑块、导柱和夹持块，导柱穿过支撑块的上部，且其一端与手动肘夹连接，另一端与所述夹持块连接，通过手动肘夹驱动夹持块向中间靠拢将转轴定位，进而实现转轴腔与挡片的焊接；通过左、右夹持组件，使得产品在焊接过程中始终贴紧于定位组件，焊接高温也不会使得挡片变形，保证挡片表面的平整度，提高焊接质量和产品的加工速度；
再者，本实用新型的夹持块可以为玻璃纤维块，既能起到夹紧定位的作用，又不会划伤产品的表面；
再者，本实用新型的仿形定位夹持组件设有两组，且转轴腔放置于所述定位组件后，两转轴腔的开口相对，此结构，使得在焊接完转轴腔和挡片的一面后，将两转轴对调即可实现转轴与挡片的另一面的焊接，方便、快捷，提高焊接效率。
上述说明仅是本实用新型技术方案的概述，为了能够更清楚了解本实用新型的技术手段，并可依照说明书的内容予以实施，以下以本实用新型的较 佳实施例详细说明如后。
附图说明
图1是本实用新型的外观示意图(夹紧转轴状态)；
图3是本实用新型的固定座处的结构示意图；
图3是本实用新型的固定座处的分解结构示意图之一；
图4是本实用新型的固定座处的分解结构示意图之二；
转轴10、转轴腔101、挡片102、底座20、固定座30、定位孔301、仿形定位组件40、定位柱401、定位套402、左夹持组件50、手动肘夹501、支撑块502、导柱503、夹持块504、夹持凸起5041、右夹持组件60。
具体实施方式
以下通过特定的具体实施例说明本实用新型的具体实施方式，本领域技术人员可由本说明书所揭示的内容轻易地了解本实用新型的优点及功效。本实用新型也可以其它不同的方式予以实施，即，在不背离本实用新型所揭示的范畴下，能予不同的修饰与改变。
实施例：一种转轴焊接用夹具，如图1到图4所示，所述转轴10包括一中空的转轴腔101和焊接于所述转轴腔的挡片102，所述夹具包括底座20、固定座30、夹持组件和与所述转轴相匹配的仿形定位组件40，所述夹持组件设有两组且分别为左夹持组件50和右夹持组件60，所述固定座安装于所述底座的上方，所述左夹持件安装于所述底座的左侧，所述右夹持件安装于所述底座的右侧，所述仿形定位组件安装于所述固定座，所述转轴套装于所述仿形定位组件；
每一所述夹持组件皆包括手动肘夹501、支撑块502、导柱503和夹持块504，所述支撑块安装于所述底座，所述导柱穿过所述支撑块的上部，且其一端与所述手动肘夹连接，另一端与所述夹持块连接，通过手动肘夹驱动所述夹持块向中间靠拢将所述转轴定位。手动肘夹为现有技术，工作原理故不赘述。
本实施例中，所述仿形定位组件包括定位柱401和设于所述定位柱外周 的定位套402，所述定位套套于所述定位柱之后插入所述固定座设有的定位孔301，所述定位柱的上端高出于所述定位套的上表面。
所述定位孔为从所述固定座的上表面延伸至下表面的通孔，所述定位组件插入所述定位孔后，所述底座对所述定位组件形成下限位。
所述夹持块为玻璃纤维块，既能起到夹紧定位的作用，又不会划伤产品的表面。
定义所述左夹持组件的夹持块为左定位块，所述左夹持块的夹持面向外延伸形成用于提高夹持力的夹持凸起5041。
所述底座与所述固定座之间为可拆卸连接，通过更换固定座，能对不同型号的转轴进行定位，通用性强。
所述仿形定位夹持组件设有两组，且所述转轴腔放置于所述定位组件后，两转轴腔的开口相对。此设计，使得在焊接完转轴腔和挡片的一面后，将两转轴对调即可实现转轴与挡片的另一面的焊接。
本实用新型的工作原理和工作过程如下：
使用时，扳动手动肘夹，使得夹持块远离定位组件，将挡片放置于定位套，将转轴腔放置于定位套的外周，然后用手扳动手动肘夹，通过手动肘夹驱动夹持块向中间靠拢将转轴定位，进而实现转轴腔与挡片的焊接；通过左、右夹持组件，使得产品在焊接过程中始终贴紧于定位组件，焊接高温也不会使得挡片变形，保证挡片表面的平整度，提高焊接质量和产品的加工速度；
夹持块可以为玻璃纤维块，既能起到夹紧定位的作用，又不会划伤产品的表面；
仿形定位夹持组件设有两组，且转轴腔放置于所述定位组件后，两转轴腔的开口相对，此结构，使得在焊接完转轴腔和挡片的一面后，将两转轴对调即可实现转轴与挡片的另一面的焊接，方便、快捷，提高焊接效率。
以上所述仅为本实用新型的实施例，并非因此限制本实用新型的专利范围，凡是利用本实用新型说明书所作的等效结构，或直接或间接运用在其他相关的技术领域，均同理包括在本实用新型的专利保护范围内。

Claims (7)

  1. 一种转轴焊接用夹具，其特征在于：所述转轴(10)包括一中空的转轴腔(101)和焊接于所述转轴腔的挡片(102)，所述夹具包括底座(20)、固定座(30)、夹持组件和与所述转轴相匹配的仿形定位组件(40)，所述夹持组件设有两组且分别为左夹持组件(50)和右夹持组件(60)，所述固定座安装于所述底座的上方，所述左夹持件安装于所述底座的左侧，所述右夹持件安装于所述底座的右侧，所述仿形定位组件安装于所述固定座，所述转轴套装于所述仿形定位组件；
    每一所述夹持组件皆包括手动肘夹(501)、支撑块(502)、导柱(503)和夹持块(504)，所述支撑块安装于所述底座，所述导柱穿过所述支撑块的上部，且其一端与所述手动肘夹连接，另一端与所述夹持块连接，通过手动肘夹驱动所述夹持块向中间靠拢将所述转轴定位。
  2. 根据权利要求1所述的转轴焊接用夹具，其特征在于：所述仿形定位组件包括定位柱(401)和设于所述定位柱外周的定位套(402)，所述定位套套于所述定位柱之后插入所述固定座设有的定位孔(301)，所述定位柱的上端高出于所述定位套的上表面。
  3. 根据权利要求2所述的转轴焊接用夹具，其特征在于：所述定位孔为从所述固定座的上表面延伸至下表面的通孔，所述定位组件插入所述定位孔后，所述底座对所述定位组件形成下限位。
  4. 根据权利要求1所述的转轴焊接用夹具，其特征在于：所述夹持块为玻璃纤维块。
  5. 根据权利要求1所述的转轴焊接用夹具，其特征在于：定义所述左夹持组件的夹持块为左定位块，所述左夹持块的夹持面向外延伸形成用于提高夹持力的夹持凸起(5041)。
  6. 根据权利要求1所述的转轴焊接用夹具，其特征在于：所述底座与所述固定座之间为可拆卸连接。
  7. 根据权利要求1所述的转轴焊接用夹具，其特征在于：所述仿形定位夹持组件设有两组，且所述转轴腔放置于所述定位组件后，两转轴腔的开口相对。
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