WO2023151719A2 - 一种用于装夹异形零件的虎钳 - Google Patents

一种用于装夹异形零件的虎钳 Download PDF

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Publication number
WO2023151719A2
WO2023151719A2 PCT/CN2023/091926 CN2023091926W WO2023151719A2 WO 2023151719 A2 WO2023151719 A2 WO 2023151719A2 CN 2023091926 W CN2023091926 W CN 2023091926W WO 2023151719 A2 WO2023151719 A2 WO 2023151719A2
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WIPO (PCT)
Prior art keywords
clamping
thimble
vise
plates
shaped parts
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PCT/CN2023/091926
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English (en)
French (fr)
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WO2023151719A3 (zh
Inventor
徐永进
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苏州睿特盟信息技术有限公司
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Publication of WO2023151719A2 publication Critical patent/WO2023151719A2/zh
Publication of WO2023151719A3 publication Critical patent/WO2023151719A3/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00Vices
    • B25B1/02Vices with sliding jaws

Definitions

  • the utility model belongs to the technical field of bench vices, in particular to a vice used for clamping special-shaped parts.
  • a bench vise also known as a vise, is a general-purpose fixture used to clamp workpieces. Installed on the workbench, it is used to clamp and stabilize the workpiece. It is an essential tool in the fitter workshop. Its structure is composed of caliper body, base, guide nut, lead screw, jaw body and so on.
  • the movable tong body slides and cooperates with the guide rail of the fixed tong body through the guide rail.
  • the lead screw is mounted on the movable tong body, can rotate, but cannot move axially, and cooperates with the lead screw nut installed in the fixed tong body. When the lead screw is rotated by shaking the handle, the movable tong body can be driven to move axially relative to the fixed tong body, which can be clamped or loosened.
  • vises use two parallel jaw bodies. Although this kind of vise can play a good role in clamping ordinary parts, it has very few contact points when clamping special-shaped parts, such as clamping round parts. Shape, the contact point is only the tangent point between the jaw body and the round surface, it is easy to slide up and down, and the clamping is very unstable.
  • the technical problem mainly solved by the utility model is that the existing vise is not stable enough when clamping special-shaped or irregular parts.
  • a vise for clamping special-shaped parts including a frame body and a first clamping mechanism, a second clamping mechanism, a force applying mechanism installed on the frame body, and a The ejection mechanism inside the second clamping mechanism;
  • the first clamping mechanism includes a first jaw plate, a first slider fixedly connected with the first jaw plate, a first thimble fixing plate, and pushing the first thimble fixing plate and the The first push plate for the forward/backward movement of the first slider;
  • the second clamping mechanism includes a second jaw plate, which is fixedly connected with the second jaw plate A second slider, a second thimble fixing plate, and a second push plate that pushes the second thimble fixing plate and the second slider forward/back;
  • the booster mechanism includes a screw connected to the frame body in rotation, a screw head fixedly connected to the screw, and a booster rod slidably connected to the screw head to drive the screw to rotate;
  • the ejector mechanism includes a first thimble fixed on the first and second thimble fixing plates, a first elastic element sleeved on the first thimble, and a head fixedly connected to the first thimble.
  • the first magnetic element, the second thimble located inside the first and second sliders, the second magnetic element fixedly connected to the tail of the second thimble, and the second elastic sleeve on the second thimble component, the second thimble passes through the first and second jaw plates.
  • first clamping mechanism and the second clamping mechanism are symmetrically arranged on the frame main body.
  • the main body of the frame is provided with a sliding groove.
  • first and second sliders, the first and second thimble fixing plates, and the first and second push plates are provided with protrusions that slide with the chute.
  • first and second push plates are provided with threads matched with the screw rods, the threads of the first and second push plates are respectively positive and reverse threads, and the first 1.
  • the second push plate is fixedly connected with the first and second thimble fixing plates through screws.
  • first and second magnetic elements are neodymium magnets.
  • first and second elastic elements are springs.
  • first and second jaw plates are respectively connected to the first and second sliders by screws.
  • first and second jaw plates, the first and second sliders, the first and second thimble fixing plates are respectively provided with accommodating the first and second thimbles and the second elastic element. Set hole.
  • the utility model pushes the jaw plates on both sides to pre-clamp the parts through the screw rod.
  • the magnetic element, the second thimble inside the slider, the second magnetic element, and the second elastic element, when the movement of the slider stops, the ejector mechanism can continue to advance against the thimble, providing more fixed points for parts , so that the utility model can adaptively clamp various special-shaped parts, provide multi-point support for the shape of the special-shaped parts, and improve the firmness of clamping.
  • Fig. 1 is the vice schematic diagram that this utility provides
  • Fig. 2 is a schematic diagram of the movement principle of the first clamping mechanism and the second clamping mechanism
  • Fig. 3 is an exploded schematic view of the second clamping mechanism
  • Fig. 4 is a schematic diagram of the ejection mechanism
  • a vise for clamping special-shaped parts includes a frame body 1 and a first clamping mechanism 2 and a second clamping mechanism 3 installed on the frame body 1 , a force applying mechanism (4), and an ejection mechanism 5 installed inside the first and second clamping mechanisms 2 and 3;
  • the first clamping mechanism 2 includes a first jaw plate 21, a first slider 22 fixedly connected with the first jaw plate 21, a first thimble fixing plate 23, and a push pin that pushes the first thimble
  • the first push plate 24 that fixes the plate 23 and the first slider 22 advances/retreats;
  • the second clamping mechanism (3) includes a second jaw plate 31, a second slide block 32 fixedly connected with the second jaw plate 31, a second thimble fixing plate 33, and pushing the first jaw plate 31.
  • the force applying mechanism 4 includes a screw 42 that is rotatably connected with the frame main body 1, a screw head 43 that is fixedly connected with the screw 42, and is slidably connected with the screw head 43 and drives the screw 42 to rotate. the booster rod 41;
  • the ejector mechanism 5 includes a first ejector pin 51 fixed on the first and second ejector pin fixing plates 23, 33, a first elastic element 52 sleeved on the first ejector pin 51, and A first magnetic element 53 fixedly connected to the head of a thimble 51, a second thimble 54 arranged inside the first and second sliders 22, 32, and a second magnetic element fixedly connected to the tail of the second thimble 54 55, and the second elastic member 56 sleeved on the second thimble 54, the second thimble 54 penetrates through the first and second jaw plates 21, 31.
  • first clamping mechanism 2 and the second clamping mechanism 3 are symmetrically arranged on the frame main body 1 .
  • the frame main body 1 is provided with a chute 11 .
  • first and second sliders 22, 32, the first and second thimble fixing plates 23, 33, the first and second push plates 24, 34 are provided with protrusions that slide with the chute 11. rise.
  • first and second push plates 24, 34 are provided with threads matched with the screw rod 43, and the threads of the first and second push plates 24, 34 are forward rotation and reverse rotation respectively. thread, the first and second push plates 24, 34 are fixedly connected with the first and second thimble fixing plates 23, 33 by screws.
  • the first and second magnetic elements 53, 55 are neodymium magnets.
  • first and second elastic elements 52, 56 are springs.
  • first and second jaw plates 21 and 31 are respectively connected to the first and second sliders 22 and 32 by screws.
  • the first and second jaw plates 21, 31, the first and second sliders 22, 32, the first and second thimble fixing plates 23, 33 are respectively provided with accommodating the first and second The two thimbles 51 , 54 and the accommodating holes of the second elastic element 56 .
  • the first push plate when the screw is rotated in the forward direction, the first push plate is a forward screw thread, so it will move forward, and the second push plate is a reverse screw thread, so it will move relative to the first push plate, thus forming a clamp Movement, when the screw is reversed, the first push plate and the second push plate will run opposite to each other.
  • clamping the push plate pushes the thimble, and the spring and the slider move forward together.
  • the jaw plate touches the maximum contour of the part continue to clamp, and the slider can no longer move.
  • the first thimble pushes the magnet forward, and the first magnet Push the second magnet and the second thimble forward, and due to the existence of the magnetic force, all the movable thimbles are pushed forward until they are against the part. When the spring is released, all the thimbles can be reset by the spring.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

本实用新型公开了一种用于装夹异形零件的虎钳,包括机架主体和安装于所述机架主体上的第一夹紧机构、第二夹紧机构、加力机构,以及安装于所述第一、第二夹紧机构内部的顶出机构,所述的第一夹紧机构,包括第一钳口板,与所述第一钳口板固定连接的第一滑块,第一顶针固定板,以及推动所述第一顶针固定板和所述第一滑块前进或后退的第一推板。本实用新型可以自适应夹持异形零件,可以对异形零件外形提供多点支撑,提高夹持的牢固性。

Description

一种用于装夹异形零件的虎钳 技术领域
本实用新型属于台虎钳技术领域,特别是涉及一种用于装夹异形零件的虎钳。
背景技术
台虎钳,又称虎钳,是用来夹持工件的通用夹具。装置在工作台上,用以夹稳加工工件,为钳工车间必备工具。它的结构是由钳体、底座、导螺母、丝杠、钳口体等组成。活动钳身通过导轨与固定钳身的导轨作滑动配合。丝杠装在活动钳身上,可以旋转,但不能轴向移动,并与安装在固定钳身内的丝杠螺母配合。当摇动手柄使丝杠旋转,就可以带动活动钳身相对于固定钳身作轴向移动,起夹紧或放松的作用。
目前虎钳都是使用两个平行的钳口体,这种虎钳在夹持普通零件的时候虽然能起到很好的效果,但是夹持异形零件时,接触点非常少,比如夹持圆形,接触点只有钳口体与圆表面的切点,容易产生上下的滑动,夹持非常不稳定。
发明内容
本实用新型主要解决的技术问题是现有的虎钳夹持夹持异形或者不规则零件时不够稳定。
为解决上述技术问题,本实用新型采用的一个技术方案是:
一种用于装夹异形零件的虎钳,包括机架主体和安装于所述机架主体上的第一夹紧机构、第二夹紧机构、加力机构,以及安装于所述第一、第二夹紧机构内部的顶出机构;
所述的第一夹紧机构,包括第一钳口板,与所述第一钳口板固定连接的第一滑块,第一顶针固定板,以及推动所述第一顶针固定板和所述第一滑块前进/后退的第一推板;
所述的第二夹紧机构,包括第二钳口板,与所述第二钳口板固定连接的 第二滑块,第二顶针固定板,以及推动所述第二顶针固定板和所述第二滑块前进/后退的第二推板;
所述的加力机构,包括与所述机架主体转动连接的螺杆,与所述螺杆固定连接的螺杆头,以及与所述螺杆头滑动连接并带动所述螺杆转动的加力杆;
所述的顶出机构包括固定在所述第一、第二顶针固定板上的第一顶针,套于所述第一顶针上的第一弹性元件,与所述第一顶针头部固定连接的第一磁性元件,设于所述第一、第二滑块内部的第二顶针,与所述第二顶针尾部固定连接的第二磁性元件,以及套于所述第二顶针上的第二弹性元件,所述的第二顶针贯穿第一、第二钳口板。
进一步的,所述的第一夹紧机构与第二夹紧机构在所述的机架主体上对称布置。
进一步的,所述的机架主体设有滑槽。
进一步的,所述的第一,第二滑块,第一、第二顶针固定板,第一、第二推板设有与所述滑槽滑动的凸起。
进一步的,所述的第一、第二推板设有与所述螺杆相配合的螺纹,所述的第一、第二推板的螺纹为分别正旋和反旋螺纹,所述的第一、第二推板通过螺丝与所述的第一、第二顶针固定板固定连接。
进一步的,所述的第一、第二磁性元件为钕磁铁。
进一步的,所述的第一、第二弹性元件为弹簧。
进一步的,所述的第一、第二钳口板分别通过螺丝连接第一、第二滑块。
进一步的,所述的第一、第二钳口板,第一、第二滑块,第一、第二顶针固定板分别设有容纳所述第一、第二顶针及第二弹性元件的容置孔。
本实用新型的有益效果:本实用新型通过螺杆推动两侧钳口板将零件预夹紧,本实用新型还设置了顶出机构,顶出机构内包括第一顶针,第一弹性元件,第一磁性元件,设于滑块内部的第二顶针,第二磁性元件,以及套于第二弹性元件,当滑块运动停止时,顶出机构可以顶着顶针继续前进,为零件提供更多固定点,使得本实用新型可以自适应夹持各种异形零件,对异形零件外形提供多点支撑,提高夹持的牢固性。
附图说明
为了更清楚地说明本实用新型实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本实用新型的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1是本实用提供的虎钳示意图;
图2是第一夹紧机构和第二夹紧机构运动原理示意图;
图3是第二夹紧机构分解示意图;
图4是顶出机构示意图;
附图标记说明:
1、机架主体;11、滑槽;2、第一夹紧机构;21、第一钳口板;
22、第一滑块;23、第一顶针固定板;24、第一推板;3、第二夹紧机构;31、第二钳口板;32、第二滑块;33、第二顶针固定板;34、第二推板;4、加力机构;41、加力杆;42、螺杆;43、螺杆头;5、顶出机构;51、第一顶针;52、第一弹性元件;53、第一磁性元件;54,第二顶针;55、第二磁性元件;56、第二弹性元件。
具体实施方式
下面结合附图对本实用新型的较佳实施例进行详细阐述,以使本实用新型的优点和特征能更易于被本领域技术人员理解,从而对本实用新型的保护范围做出更为清楚明确的界定。
具体实施例1:
如图1至图4所示,一种用于装夹异形零件的虎钳,包括机架主体1和安装于所述机架主体1上的第一夹紧机构2、第二夹紧机构3、加力机构(4),以及安装于所述第一、第二夹紧机构2,3内部的顶出机构5;
所述的第一夹紧机构2,包括第一钳口板21,与所述第一钳口板21固定连接的第一滑块22,第一顶针固定板23,以及推动所述第一顶针固定板23和所述第一滑块22前进/后退的第一推板24;
所述的第二夹紧机构(3),包括第二钳口板31,与所述第二钳口板31固定连接的第二滑块32,第二顶针固定板33,以及推动所述第二顶针固定板33和所述第二滑块32前进/后退的第二推板34;
所述的加力机构4,包括与所述机架主体1转动连接的螺杆42,与所述螺杆42固定连接的螺杆头43,以及与所述螺杆头43滑动连接并带动所述螺杆42转动的加力杆41;
所述的顶出机构5包括固定在所述第一、第二顶针固定板23,33上的第一顶针51,套于所述第一顶针51上的第一弹性元件52,与所述第一顶针51头部固定连接的第一磁性元件53,设于所述第一、第二滑块22,32内部的第二顶针54,与所述第二顶针54尾部固定连接的第二磁性元件55,以及套于所述第二顶针54上的第二弹性元件56,所述的第二顶针54贯穿第一、第二钳口板21,31。
具体的,所述的第一夹紧机构2与第二夹紧机构3在所述的机架主体1上对称布置。
具体的,所述的机架主体1设有滑槽11。
具体的,所述的第一,第二滑块22,32,第一、第二顶针固定板23,33,第一、第二推板24,34设有与所述滑槽11滑动的凸起。
具体的,所述的第一、第二推板24,34设有与所述螺杆43相配合的螺纹,所述的第一、第二推板24,34的螺纹为分别正旋和反旋螺纹,所述的第一、第二推板24,34通过螺丝与所述的第一、第二顶针固定板23,33固定连接。
具体的,所述的第一、第二磁性元件53,55为钕磁铁。
具体的,所述的第一、第二弹性元件52,56为弹簧。
具体的,所述的第一、第二钳口板21,31分别通过螺丝连接第一、第二滑块22,32。
具体的,所述的第一、第二钳口板21,31,第一、第二滑块22,32,第一、第二顶针固定板23,33分别设有容纳所述第一、第二顶针51,54及第二弹性元件56的容置孔。
工作原理:
如图4所示,当正向转动螺杆时,第一推板是正旋螺纹,所以会向前运动,而第二推板是反旋螺纹所以会和第一推板相对运动,因此形成夹紧运动,当反向转动螺杆时,第一推板和第二推板便会相向运行。夹紧时推板推动顶针,弹簧和滑块一起向前移动,当钳口板触碰到零件最大轮廓时,继续夹紧,滑块已经无法运动,第一顶针推动磁铁向前,第一磁体推动第二磁铁和第二顶针向前,由于磁力的存在所有能运动的顶针都被顶向前,知道顶住零件为止,松开时,弹簧可以复位所有顶针。
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及附图内容所作的等效结构变换,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 (9)

  1. 一种用于装夹异形零件的虎钳,其特征在于:包括机架主体(1)和安装于所述机架主体(1)上的第一夹紧机构(2)、第二夹紧机构(3)、加力机构(4),以及安装于所述第一、第二夹紧机构(2,3)内部的顶出机构(5);
    所述的第一夹紧机构(2),包括第一钳口板(21),与所述第一钳口板(21)固定连接的第一滑块(22),第一顶针固定板(23),以及推动所述第一顶针固定板(23)和所述第一滑块(22)前进/后退的第一推板(24);
    所述的第二夹紧机构(3),包括第二钳口板(31),与所述第二钳口板(31)固定连接的第二滑块(32),第二顶针固定板(33),以及推动所述第二顶针固定板(33)和所述第二滑块(32)前进/后退的第二推板(34);
    所述的加力机构(4),包括与所述机架主体(1)转动连接的螺杆(42),与所述螺杆(42)固定连接的螺杆头(43),以及与所述螺杆头(43)滑动连接并带动所述螺杆(42)转动的加力杆(41);
    所述的顶出机构(5)包括固定在所述第一、第二顶针固定板(23,33)上的第一顶针(51),套于所述第一顶针(51)上的第一弹性元件(52),与所述第一顶针(51)头部固定连接的第一磁性元件(53),设于所述第一、第二滑块(22,32)内部的第二顶针(54),与所述第二顶针(54)尾部固定连接的第二磁性元件(55),以及套于所述第二顶针(54)上的第二弹性元件(56),所述的第二顶针(54)贯穿第一、第二钳口板(21,31)。
  2. 根据权利要求1所述的一种用于装夹异形零件的虎钳,其特征在于:所述的第一夹紧机构(2)与第二夹紧机构(3)在所述的机架主体(1)上对称布置。
  3. 根据权利要求1所述的一种用于装夹异形零件的虎钳,其特征在于:所述的机架主体(1)设有滑槽(11)。
  4. 根据权利要求1和3所述的一种用于装夹异形零件的虎钳,其特征在于:所述的第一,第二滑块(22,32),第一、第二顶针固定板(23,33),第一、第二推板(24,34)设有与所述滑槽(11)匹配滑动的凸起。
  5. 根据权利要求1所述的一种用于装夹异形零件的虎钳,其特征在于:所述的第一、第二推板(24,34)设有与所述螺杆(43)相配合的螺纹,所述的 第一、第二推板(24,34)的螺纹为分别正旋和反旋螺纹,所述的第一、第二推板(24,34)通过螺丝与所述的第一、第二顶针固定板(23,33)固定连接。
  6. 根据权利要求1所述的一种用于装夹异形零件的虎钳,其特征在于:所述的第一、第二磁性元件(53,55)为钕磁铁。
  7. 根据权利要求1所述的一种用于装夹异形零件的虎钳,其特征在于:所述的第一、第二弹性元件(52,56)为弹簧。
  8. 根据权利要求1所述的一种用于装夹异形零件的虎钳,其特征在于:所述的第一、第二钳口板(21,31)分别通过螺丝连接第一、第二滑块(22,32)。
  9. 根据权利要求1所述的一种用于装夹异形零件的虎钳,其特征在于:所述的第一、第二钳口板(21,31),第一、第二滑块(22,32),第一、第二顶针固定板(23,33)分别设有容纳所述第一、第二顶针(51,54)及第二弹性元件(56)的容置孔。
PCT/CN2023/091926 2023-04-23 2023-04-30 一种用于装夹异形零件的虎钳 WO2023151719A2 (zh)

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