WO2020000534A1 - 一种具有多工位的夹持组件及夹具 - Google Patents

一种具有多工位的夹持组件及夹具 Download PDF

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Publication number
WO2020000534A1
WO2020000534A1 PCT/CN2018/096118 CN2018096118W WO2020000534A1 WO 2020000534 A1 WO2020000534 A1 WO 2020000534A1 CN 2018096118 W CN2018096118 W CN 2018096118W WO 2020000534 A1 WO2020000534 A1 WO 2020000534A1
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WO
WIPO (PCT)
Prior art keywords
clamping
groove
section
assembly
multiple stations
Prior art date
Application number
PCT/CN2018/096118
Other languages
English (en)
French (fr)
Inventor
胡祥
杜祥熙
文曲波
Original Assignee
深圳市北科生物科技有限公司
深圳赛动生物自动化有限公司
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Publication date
Application filed by 深圳市北科生物科技有限公司, 深圳赛动生物自动化有限公司 filed Critical 深圳市北科生物科技有限公司
Publication of WO2020000534A1 publication Critical patent/WO2020000534A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00Gripping heads and other end effectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L9/00Supporting devices; Holding devices
    • B01L9/06Test-tube stands; Test-tube holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00Gripping heads and other end effectors
    • B25J15/08Gripping heads and other end effectors having finger members

Definitions

  • the present application relates to a clamping assembly and a clamp having multiple stations.
  • an object of the present application is to provide a clamping assembly and a clamp having multiple stations.
  • a clamping assembly with multiple stations includes: a left clamping member, which is provided with a left front clamping portion, a left middle clamping portion, and a left rear clamping portion in order from front to back; a right clamping member It is provided with a front right clamping portion, a right middle clamping portion, and a right rear clamping portion in order from front to back; wherein, the left front clamping portion is provided with a left columnar portion at the front end, and a concave portion on the right side.
  • a left clamping groove; the right front clamping portion is provided with a right columnar portion at the front end, and a right clamping groove located on the left side and recessed; and the left periphery of the left columnar portion and the right columnar portion are respectively provided with a left arc Shaped surface, right arc-shaped surface;
  • the left middle clamping portion is provided with a left clamping end extending downwards;
  • the right middle clamping portion is provided with a right clamping end extending downwards;
  • the left side is provided with a left clamping surface;
  • the right side of the right clamping end is provided with a right clamping surface;
  • the left rear clamping portion is provided with a second left clamping groove located on the right side and recessed;
  • the right rear clamping portion is provided with two recessed right clamping grooves on the left side;
  • the left cylindrical portion and the right cylindrical portion constitute a first clamping structure for clamping an inner hole;
  • the left clamping groove and the right clamping groove constitute a second
  • the left cymbal clamp is provided with a left two clamping surface on the left side;
  • the right cymbal clamp portion is provided with a right two clamping surface on the right side;
  • the left front The second left clamping surface and the second right clamping surface of the right front clamping portion constitute a fifth clamping structure.
  • the left front clamping portion is provided with three left clamping surfaces on the right side; the right front clamping portion is provided with three right clamping surfaces on the left side; the left front clamping The third left clamping surface of the part and the right three clamping surface of the right front clamping part constitute a sixth clamping structure.
  • a further technical solution thereof is that: the cross sections of the left clamping groove and the right clamping groove are both V-shaped or arc-shaped and oval-shaped.
  • the left clamping end is provided with a right three clamping groove located on the right side and concave; the right clamping end is provided with a right three clamping groove on the left side and concaved
  • the left three clamping grooves and the right three clamping grooves constitute a seventh clamping structure for clamping an outer circle.
  • a further technical solution thereof is as follows:
  • the cross sections of the left three clamping grooves and the right three clamping grooves are both V-shaped or arc-shaped and oval-shaped.
  • the left two clamping grooves include a first bevel section, a second bevel section, and a first transition section connected between the first bevel section and the second bevel section;
  • the right The two clamping grooves include a third sloped section, a fourth sloped section, and a second transition section connected between the third sloped section and the fourth sloped section.
  • first transition section and the second transition section are planar structures.
  • the first transition section is provided with a concave left curved section
  • the second transition section is provided with a concave right curved section.
  • a jig comprising: the above-mentioned clamping component having multiple stations, a mounting base, and a driving component; the mounting base is provided with a first chute and a second chute; and the left clamping member A left connecting part slidingly connected to the first chute is provided; the left connecting part is fixed to the rear end of the left rear clamping part; the right clamping part is provided with a right connecting part slidingly connected to the second chute; The right connecting portion is fixed at the rear end of the right rear clamping portion; and the driving assembly drives the left clamping member and the right clamping member to approach or leave, respectively.
  • the technical effects of this application compared with the prior art are: a clamping assembly with multiple stations, the left clamping member and the right clamping member respectively constitute the first, second, third, and fourth clamps
  • the holding structure can be used for clamping the inner hole, the outer circular surface and the end surface structure, and has the advantages of strong adaptability, small space occupation and flexible use.
  • a clamp adopts the above-mentioned clamping assembly with multiple stations, and a robot does not Frequent replacement of the clamping assembly is time-saving.
  • FIG. 1 is a first perspective view of a multi-station clamping assembly of the present invention
  • FIG. 2 is a top view of the embodiment of FIG. 1;
  • FIG. 3 is a second perspective view of the embodiment of FIG. 1;
  • FIG. 4 is a perspective view of a clamp.
  • a clamping assembly with multiple stations includes: a left clamping member and a right clamping member.
  • the left clamping part is provided with a left front clamping part, a left middle clamping part, and a left rear clamping part in this order from front to back.
  • the right clamping member is provided with a right front clamping section, a right middle clamping section, and a right rear clamping section in order from front to back.
  • the left front clamping portion is provided with a left columnar portion at the front end and a left clamping groove located on the right side and recessed.
  • the right front clamping portion is provided with a right columnar portion at the front end, and a right clamping groove located on the left side and recessed.
  • the left column and the right column are respectively provided with a left curved surface and a right curved surface on the outer periphery.
  • the left column and the right column form a first clamping structure for clamping the inner hole.
  • the left clamping groove and the right A clamping groove forms a second clamping structure for clamping the outer circle.
  • the left middle clamping part is provided with a downwardly extending left clamping end
  • the right middle clamping part is provided with a downwardly extending right clamping end
  • the left side of the left clamping end is provided with a left clamping surface
  • the right clamping end is A right clamping surface is provided on the right side
  • the left clamping end and the right clamping end constitute a second clamping structure for clamping the end surface.
  • the left rear clamping part is provided with a right two recessed left clamping groove on the right side
  • the right rear clamping part is provided with a left and right recessed second clamping groove on the left side
  • the groove constitutes a fourth clamping structure for clamping an outer circle.
  • the first gripping structure, the second gripping structure, the third gripping structure, and the fourth gripping structure can grip the inner hole, the outer circle, and the end surface, and are applicable to centrifugal tubes and caps of different specifications.
  • a clamping assembly 10 having multiple stations includes: a left clamping member 1, and a right clamping member 2.
  • the left clamping part 1 is provided with a left front clamping part 11, a left middle clamping part 12, and a left rear clamping part 13 in order from front to back.
  • the right clamping member 2 is provided with a right front clamping portion 21, a right middle clamping portion 22, and a right rear clamping portion 23 in this order from front to back.
  • the left front clamping portion 11 is provided with a left columnar portion 111 at the front end, and a left clamping groove 112 on the right side which is recessed.
  • the right front clamping portion 21 is provided with a right columnar portion 211 at the front end, and a right clamping groove 212 on the left side which is concave inward.
  • the left columnar portion 111 and the right columnar portion 211 are respectively provided with a left arc surface and a right arc surface on the outer periphery.
  • the left columnar portion 111 and the right columnar portion 211 constitute a first clamping structure 3 for clamping an inner hole.
  • the clamping groove 11 2 and the right clamping groove 212 constitute a second clamping structure 4 for clamping an outer circle.
  • the left middle clamping part 12 is provided with a left clamping end 121 extending downward
  • the right middle clamping part 22 is provided with a right clamping end 221 extending downward
  • the left clamping end 121 is provided with a left clamping part Surface
  • the right clamping end 221 is provided with a right clamping surface on the right side
  • the left clamping end 121 constitutes a third clamping structure 5 for clamping the end surface.
  • the left rear clamping portion 13 is provided with a right two recessed left clamping groove 131 on the right side
  • the right rear clamping portion 23 is provided with a left and second right recessed clamping groove 231 on the left side
  • the second left clamping groove 131 is provided.
  • the right two clamping grooves 231 constitute a fourth clamping structure 6 for clamping an outer circle.
  • the first gripping structure 3, the second gripping structure 4, the third gripping structure 5, and the fourth gripping structure 6 can grip the inner hole, the outer circle and the end surface, and can be applied to centrifuge tubes and centrifuge tube caps of different specifications. .
  • the left front clamping portion 11 is provided with a left two clamping surface 113 on the left side
  • the right front clamping portion 21 is provided with a right two clamping surface 213 on the right side
  • the left two of the left front clamping portion 11 are
  • the clamping surface 113 and the two right clamping surfaces 213 of the right front clamping portion 21 constitute a fifth clamping structure 7.
  • Both the fifth clamping structure 7 and the third clamping structure 5 can be used for clamping the end surface, such as a structure in which the centrifuge tube cap is a regular octagon.
  • the left front clamping portion 11 is provided with the second left clamping surface 114 on the right side
  • the right front clamping portion 21 is provided with the second right clamping surface 214 on the left side
  • the second left of the left front clamping portion 11 The clamping surface 114 and the right three clamping surfaces 214 of the right front clamping portion 21 constitute a sixth clamping structure 8.
  • the cross section of the left clamping groove 112 and the right clamping groove 212 is V-shaped.
  • the included angle of the V-shaped groove ranges from 130 to 150 °.
  • the cross sections of the left clamping groove 112 and the right clamping groove 212 are circular or elliptical.
  • the left clamping end 121 is provided with a left three recessed clamping groove 121A on the right side
  • the right clamping end 221 is provided with a left three recessed right clamping groove 221A on the left side.
  • the clamping groove 121A and the right three clamping grooves 221A constitute a seventh clamping structure 9 for clamping an outer circle.
  • the cross sections of the left three clamping grooves 121A and the right three clamping grooves 221A are both V-shaped. In this embodiment, the included angle of the V-shaped groove is 90-120. .
  • the cross sections of the left three holding grooves 121A and the right three holding grooves 221A are circular or elliptical.
  • the two left clamping grooves 131 include a first sloped section 131A, a second sloped section 131B, and a first transition section 131C connected between the first sloped section 131A and the second sloped section 131B.
  • the two right clamping grooves 231 include a third inclined section 231A, a fourth inclined section 231B, and a second transition section 231C connected between the third inclined section 231A and the fourth inclined section 231B.
  • the first transition section 131C and the second transition section 231C are planar structures, the first transition section 131C is provided with a concave left arc section, and the second transition section 231C is provided with a concave right arc section.
  • the outer circle structure can be clamped by the first bevel segment 131A, the second bevel segment 131B, the third bevel segment 231A, and the fourth bevel segment 231B, or the outer circle structure can be clamped by the left arc segment and the right arc segment.
  • the left columnar portion 111 and the right columnar portion 211 are adhered to form an elliptical column for holding the inner circle of a consumable such as a centrifuge tube.
  • the left columnar portion 111 and the right columnar portion 211 may be bonded together to form a cylindrical structure.
  • the second clamping structure 4, the fourth clamping structure 6, and the seventh clamping structure 9 are used to clamp consumables such as centrifuge tubes with different tube diameters.
  • the third clamping structure 5 and the fifth clamping structure 7 are used to clamp the inner wall of the centrifuge tube cap.
  • the sixth clamping structure 8 is used to clamp the outer end surface of the centrifuge tube cap.
  • a clamp 100 includes the above-mentioned clamping assembly 10 having multiple stations, a mounting base 20, and a driving assembly.
  • the mounting base 20 is provided with a first sliding slot 20A and a second sliding block. Slot 20B.
  • the left clamp 1 is provided with a left connecting portion 14 slidingly connected to the first chute 20A, the left connecting portion 14 is fixed at the rear end of the left rear clamping portion 13, and the right clamp 2 is provided with a sliding connection
  • the right connecting portion 24 and the right connecting portion 24 of the groove 20B are fixed to the rear end of the right rear clamping portion 23.
  • the driving components respectively drive the left clamping member 1 and the right clamping member 2 toward or away from each other, so that the left clamping member 1 and the right clamping member 2 form a clamping relationship.
  • the clamp 100 changes different positions and passes different positions.
  • the clamping structure is used to clamp the centrifuge tube or the centrifuge tube cap, and a fixture 100 is used to clamp consumables such as centrifuge tubes of different specifications by using a multi-station clamping structure. Take up a lot of space.

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  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Clamps And Clips (AREA)

Abstract

一种具有多工位的夹持组件,包括:左夹持件(1),其由前至后依次设有左前夹持部(11)、左中夹持部(12)、左后夹持部(13);右夹持件(2),其由前至后依次设有右前夹持部(21)、右中夹持部(22)、右后夹持部(23)。本申请的左夹持件(1)、右夹持件(2)分别构成第一、第二、第三、第四夹持结构(3、4、5、6),可用于夹持内孔、外圆面、端面结构,具有适应性强、占用的空间小、使用灵活的优点,可推广于市场中。另外,还涉及一种具有上述夹持组件的夹具。

Description

一种具有多工位的夹持组件及夹具
[0001] 本申请是以申请号为 201810665510.9, 申请日为 2018年 6月 26日的中国专利申请 为基础, 并主张其优先权, 该申请的全部内容在此作为整体引入本申请中。
[0002] 技术领域
[0003] 本申请涉及一种具有多工位的夹持组件及夹具。
[0004] 背景技术
[0005] 目前, 细胞培养越来越趋向于自动化, 而细胞培养过程中需要许多离心管等耗 材, 为了保证无菌的培养环境, 离心管等耗材的取用通常采用机械手来进行, 由于离心管及离心管帽的形状各异, 因此, 机械手上的夹具种类也非常多, 这 导致机械手占用的空间大, 且使用过程中不灵活。
[0006] 申请内容
[0007] 为了克服上述现有技术的不足之处, 本申请的目的是提供一种具有多工位的夹 持组件及夹具。
[0008] 本申请的技术方案是:
[0009] 一种具有多工位的夹持组件, 包括: 左夹持件, 其由前至后依次设有左前夹持 部、 左中夹持部、 左后夹持部; 右夹持件, 其由前至后依次设有右前夹持部、 右中夹持部、 右后夹持部; 其中, 所述左前夹持部设有位于前端的左柱状部, 位于右侧且内凹的左一夹持槽; 所述右前夹持部设有位于前端的右柱状部, 位 于左侧且内凹的右一夹持槽; 所述左柱状部、 右柱状部的外周分别设有左弧形 面、 右弧形面; 所述左中夹持部设有向下延伸的左夹紧端; 所述右中夹持部设 有向下延伸的右夹紧端; 所述左夹紧端的左侧设有左一夹持面; 所述右夹紧端 的右侧设有右一夹持面; 所述左后夹持部设有位于右侧且内凹的左二夹持槽; 所述右后夹持部设有位于左侧且内凹的右二夹持槽; 所述左柱状部、 右柱状部 构成用于夹持内孔的第一夹持结构; 所述左一夹持槽、 右一夹持槽构成用于夹 持外圆的第二夹持结构; 所述左夹紧端、 右夹紧端构成用于夹持端面的第三夹 持结构; 所述左二夹持槽、 右二夹持槽构成用于夹持外圆的第四夹持结构。 [0010] 其进一步技术方案为: 所述左刖夹持邰设有位于左侧的左二夹持面; 所述右刖 夹持部设有位于右侧的右二夹持面; 所述左前夹持部的左二夹持面、 右前夹持 部的右二夹持面构成第五夹持结构。
[0011] 其进一步技术方案为: 所述左前夹持部设有位于右侧的左三夹持面; 所述右前 夹持部设有位于左侧的右三夹持面; 所述左前夹持部的左三夹持面、 右前夹持 部的右三夹持面构成第六夹持结构。
[0012] 其进一步技术方案为: 所述左一夹持槽、 右一夹持槽的截面同为 V形或圆弧形 、 椭圆形。
[0013] 其进一步技术方案为: 所述左夹紧端设有位于右侧且内凹的左三夹持槽; 所述 右夹紧端设有位于左侧且内凹的右三夹持槽; 所述左三夹持槽、 右三夹持槽构 成用于夹持外圆的第七夹持结构。
[0014] 其进一步技术方案为: 所述左三夹持槽、 右三夹持槽的截面同为 V形或圆弧形 、 椭圆形。
[0015] 其进一步技术方案为: 所述左二夹持槽包括第一斜面段, 第二斜面段, 以及连 接于第一斜面段和第二斜面段之间的第一过渡段; 所述右二夹持槽包括第三斜 面段, 第四斜面段, 以及连接于第三斜面段和第四斜面段之间的第二过渡段。
[0016] 其进一步技术方案为: 所述第一过渡段、 第二过渡段为平面结构。
[0017] 其进一步技术方案为: 所述第一过渡段设有内凹的左弧形段; 所述第二过渡段 设有内凹的右弧形段。
[0018] 一种夹具, 包括: 如上述的具有多工位的夹持组件, 安装座, 以及驱动组件; 所述安装座设有第一滑槽和第二滑槽; 所述左夹持件设有滑动连接于第一滑槽 的左连接部; 所述左连接部固定于左后夹持部的后端; 所述右夹持件设有滑动 连接于第二滑槽的右连接部; 所述右连接部固定于右后夹持部的后端; 所述驱 动组件分别驱动左夹持件、 右夹持件靠近或远离。
[0019] 本申请与现有技术相比的技术效果是: 一种具有多工位的夹持组件, 左夹持件 、 右夹持件分别构成第一、 第二、 第三、 第四夹持结构, 可用于夹持内孔、 外 圆面、 端面结构, 具有适应性强、 占用的空间小、 使用灵活的优点。
[0020] 一种夹具, 采用上述具有多工位的夹持组件, 机械手在夹持离心管等耗材时不 需要频繁更换夹持组件, 比较节约时间。
[0021] 下面结合附图和具体实施例对本申请作进一步描述。
[0022] 附图说明
[0023] 图 1为本实用新型一种具有多工位的夹持组件的第一立体视图;
[0024] 图 2为图 1实施例的俯视图;
[0025] 图 3为图 1实施例的第二立体视图;
[0026] 图 4为一种夹具的立体视图。
[0027] 附图标记
[0028] 100夹具 10 夹持组件
[0029] 1 左夹持件 11 左前夹持部
[0030] 111左柱状部 112左一夹持槽
[0031] 113左二夹持面 114左三夹持面
[0032] 12 左中夹持部 121左夹紧端
[0033] 121A 左三夹持槽 13 左后夹持部
[0034] 131左二夹持槽 131 A 第一斜面段
[0035] 131B 第二斜面段 131C 第一过渡段
[0036] 14 左连接部 2 右夹持件
[0037] 21 右前夹持部 211右柱状部
[0038] 212右一夹持槽 213右二夹持面
[0039] 214右三夹持面 22 右中夹持部
[0040] 221右夹紧端 221A 右三夹持槽
[0041] 23 右后夹持部 231右二夹持槽
[0042] 231 A 第三斜面段 231B 第四斜面段
[0043] 231C 第二过渡段 24 右连接部
[0044] 3 第一夹持结构 4 第二夹持结构
[0045] 5 第三夹持结构 6 第四夹持结构
[0046] 7 第五夹持结构 8 第六夹持结构
[0047] 9 第七夹持结构 20 安装座 [0048] 20A 第一滑槽 20B 第二滑槽
[0049] 具体实施方式
[0050] 为了更充分理解本申请的技术内容, 下面结合示意图对本申请的技术方案进一 步介绍和说明, 但不局限于此。
[0051] 一种具有多工位的夹持组件, 包括: 左夹持件, 右夹持件。 左夹持件由前至后 依次设有左前夹持部、 左中夹持部、 左后夹持部。 右夹持件由前至后依次设有 右前夹持部、 右中夹持部、 右后夹持部。 其中, 左前夹持部设有位于前端的左 柱状部, 位于右侧且内凹的左一夹持槽。 右前夹持部设有位于前端的右柱状部 , 位于左侧且内凹的右一夹持槽。 左柱状部、 右柱状部的外周分别设有左弧形 面、 右弧形面, 左柱状部、 右柱状部构成用于夹持内孔的第一夹持结构, 左一 夹持槽、 右一夹持槽构成用于夹持外圆的第二夹持结构。 左中夹持部设有向下 延伸的左夹紧端, 右中夹持部设有向下延伸的右夹紧端, 左夹紧端的左侧设有 左一夹持面, 右夹紧端的右侧设有右一夹持面, 左夹紧端、 右夹紧端构成用于 夹持端面的第二夹持结构。 左后夹持部设有位于右侧且内凹的左二夹持槽, 右 后夹持部设有位于左侧且内凹的右二夹持槽, 左二夹持槽、 右二夹持槽构成用 于夹持外圆的第四夹持结构。 第一夹持结构、 第二夹持结构、 第三夹持结构、 第四夹持结构可夹持内孔、 外圆、 端面, 可适用于不同规格的离心管及离心管 帽。
[0052] 如图 1、 图 2所示, 一种具有多工位的夹持组件 10, 包括: 左夹持件 1, 右夹持 件 2。 左夹持件 1由前至后依次设有左前夹持部 11、 左中夹持部 12、 左后夹持部 1 3。 右夹持件 2由前至后依次设有右前夹持部 21、 右中夹持部 22、 右后夹持部 23 。 其中, 左前夹持部 11设有位于前端的左柱状部 111, 位于右侧且内凹的左一夹 持槽 112。 右前夹持部 21设有位于前端的右柱状部 211, 位于左侧且内凹的右一 夹持槽 212。 左柱状部 111、 右柱状部 211的外周分别设有左弧形面、 右弧形面, 左柱状部 111、 右柱状部 211构成用于夹持内孔的第一夹持结构 3, 左一夹持槽 11 2、 右一夹持槽 212构成用于夹持外圆的第二夹持结构 4。 左中夹持部 12设有向下 延伸的左夹紧端 121, 右中夹持部 22设有向下延伸的右夹紧端 221, 左夹紧端 121 的左侧设有左一夹持面, 右夹紧端 221的右侧设有右一夹持面, 左夹紧端 121、 右夹紧端 221构成用于夹持端面的第三夹持结构 5。 左后夹持部 13设有位于右侧 且内凹的左二夹持槽 131, 右后夹持部 23设有位于左侧且内凹的右二夹持槽 231 , 左二夹持槽 131、 右二夹持槽 231构成用于夹持外圆的第四夹持结构 6。 第一夹 持结构 3、 第二夹持结构 4、 第三夹持结构 5、 第四夹持结构 6可夹持内孔、 外圆 、 端面, 可适用于不同规格的离心管及离心管帽。
[0053] 优选的, 左前夹持部 11设有位于左侧的左二夹持面 113, 右前夹持部 21设有位 于右侧的右二夹持面 213, 左前夹持部 11的左二夹持面 113、 右前夹持部 21的右 二夹持面 213构成第五夹持结构 7。 第五夹持结构 7、 第三夹持结构 5都可用于夹 持端面, 如离心管帽为正八边形的结构。
[0054] 优选的, 左前夹持部 11设有位于右侧的左二夹持面 114, 右前夹持部 21设有位 于左侧的右二夹持面 214, 左前夹持部 11的左二夹持面 114、 右前夹持部 21的右 三夹持面 214构成第六夹持结构 8。
[0055] 优选的, 左一夹持槽 112、 右一夹持槽 212的截面为 V形, 在本实施例中, V形 槽的夹角范围为 130-150°。 在其他实施方式中, 左一夹持槽 112、 右一夹持槽 212 的截面为圆弧形或椭圆形。
[0056] 优选的, 左夹紧端 121设有位于右侧且内凹的左三夹持槽 121A, 右夹紧端 221设 有位于左侧且内凹的右三夹持槽 221A, 左三夹持槽 121A、 右三夹持槽 221A构成 用于夹持外圆的第七夹持结构 9。 左三夹持槽 121A、 右三夹持槽 221A的截面同为 V形, 在本实施例中, V形槽的夹角范围为 90-120。。 在其他实施方式中, 左三夹 持槽 121A、 右三夹持槽 221A的截面为圆弧形或椭圆形。
[0057] 优选的, 左二夹持槽 131包括第一斜面段 131A, 第二斜面段 131B, 以及连接于 第一斜面段 131A和第二斜面段 131B之间的第一过渡段 131C。 右二夹持槽 231包 括第三斜面段 231A, 第四斜面段 231B, 以及连接于第三斜面段 231A和第四斜面 段 231B之间的第二过渡段 231C。
[0058] 具体的, 第一过渡段 131C、 第二过渡段 231C为平面结构, 第一过渡段 131C设 有内凹的左弧形段, 第二过渡段 231C设有内凹的右弧形段。 既可以利用第一斜 面段 131A、 第二斜面段 131B、 第三斜面段 231A、 第四斜面段 231B夹持外圆结构 , 也可以通过左弧形段、 右弧形段夹持外圆结构。 [0059] 具体实施时, 左柱状部 111、 右柱状部 211贴合后形成椭圆柱, 用于夹持离心管 等耗材的内圆。 在其他实施例中, 左柱状部 111、 右柱状部 211贴合后也可形成 圆柱结构。
[0060] 具体实施时, 第二夹持结构 4、 第四夹持结构 6、 第七夹持结构 9用于夹持不同 管径的离心管等耗材。
[0061] 具体实施时, 第三夹持结构 5、 第五夹持结构 7用于夹持离心管帽的内壁。 第六 夹持结构 8用于夹持离心管帽的外端面。
[0062] 如图 3所示, 一种夹具 100, 包括: 上述的具有多工位的夹持组件 10, 安装座 20 , 以及驱动组件, 安装座 20设有第一滑槽 20A和第二滑槽 20B。 左夹持件 1设有滑 动连接于第一滑槽 20A的左连接部 14, 左连接部 14固定于左后夹持部 13的后端, 右夹持件 2设有滑动连接于第二滑槽 20B的右连接部 24, 右连接部 24固定于右后 夹持部 23的后端。 驱动组件分别驱动左夹持件 1、 右夹持件 2靠近或远离, 以使 得左夹持件 1、 右夹持件 2形成夹持关系, 具体实施时, 夹具 100变换不同的位置 , 通过不同的夹紧结构来夹持离心管或者离心管帽, 实现了一个夹具 100利用多 工位的夹持结构来夹持不同规格的离心管等耗材, 简化了夹具 100的结构, 也解 决了夹具 100占用空间大的问题。
[0063] 上述仅以实施例来进一步说明本申请的技术内容, 以便于读者更容易理解, 但 不代表本申请的实施方式仅限于此, 任何依本申请所做的技术延伸或再创造, 均受本申请的保护, 本申请的保护范围以权利要求书为准。 发明概述
技术问题
问题的解决方案
发明的有益效果

Claims

权利要求书
[权利要求 1] 一种具有多工位的夹持组件, 其特征在于, 包括:
左夹持件, 其由前至后依次设有左前夹持部、 左中夹持部、 左后夹持 部;
右夹持件, 其由前至后依次设有右前夹持部、 右中夹持部、 右后夹持 部;
其中, 所述左前夹持部设有位于前端的左柱状部, 位于右侧且内凹的 左一夹持槽; 所述右前夹持部设有位于前端的右柱状部, 位于左侧且 内凹的右一夹持槽; 所述左柱状部、 右柱状部的外周分别设有左弧形 面、 右弧形面; 所述左中夹持部设有向下延伸的左夹紧端; 所述右中 夹持部设有向下延伸的右夹紧端; 所述左夹紧端的左侧设有左一夹持 面; 所述右夹紧端的右侧设有右一夹持面; 所述左后夹持部设有位于 右侧且内凹的左二夹持槽; 所述右后夹持部设有位于左侧且内凹的右 二夹持槽; 所述左柱状部、 右柱状部构成用于夹持内孔的第一夹持结 构; 所述左一夹持槽、 右一夹持槽构成用于夹持外圆的第二夹持结构 ; 所述左夹紧端、 右夹紧端构成用于夹持端面的第三夹持结构; 所述 左二夹持槽、 右二夹持槽构成用于夹持外圆的第四夹持结构。
[权利要求 2] 根据权利要求 1所述的具有多工位的夹持组件, 其特征在于, 所述左 前夹持部设有位于左侧的左二夹持面; 所述右前夹持部设有位于右侧 的右二夹持面; 所述左刖夹持邰的左二夹持面、 右刖夹持邰的右二夹 持面构成第五夹持结构。
[权利要求 3] 根据权利要求 1所述的具有多工位的夹持组件, 其特征在于, 所述左 前夹持部设有位于右侧的左三夹持面; 所述右前夹持部设有位于左侧 的右三夹持面; 所述左前夹持部的左三夹持面、 右前夹持部的右三夹 持面构成第六夹持结构。
[权利要求 4] 根据权利要求 1所述的具有多工位的夹持组件, 其特征在于, 所述左 一夹持槽、 右一夹持槽的截面同为 V形或圆弧形、 椭圆形。
[权利要求 5] 根据权利要求 1所述的具有多工位的夹持组件, 其特征在于, 所述左 夹紧端设有位于右侧且内凹的左三夹持槽; 所述右夹紧端设有位于左 侧且内凹的右三夹持槽; 所述左三夹持槽、 右三夹持槽构成用于夹持 外圆的第七夹持结构。
[权利要求 6] 根据权利要求 5所述的具有多工位的夹持组件, 其特征在于, 所述左 三夹持槽、 右三夹持槽的截面同为 V形或圆弧形、 椭圆形。
[权利要求 7] 根据权利要求 1所述的具有多工位的夹持组件, 其特征在于, 所述左 二夹持槽包括第一斜面段, 第二斜面段, 以及连接于第一斜面段和第 二斜面段之间的第一过渡段; 所述右二夹持槽包括第三斜面段, 第四 斜面段, 以及连接于第三斜面段和第四斜面段之间的第二过渡段。
[权利要求 8] 根据权利要求 7所述的具有多工位的夹持组件, 其特征在于, 所述第 一过渡段、 第二过渡段为平面结构。
[权利要求 9] 根据权利要求 7所述的具有多工位的夹持组件, 其特征在于, 所述第 一过渡段设有内凹的左弧形段; 所述第二过渡段设有内凹的右弧形段
[权利要求 10] 一种夹具, 其特征在于, 包括: 如权利要求 1-9任一项所述的具有多 工位的夹持组件, 安装座, 以及驱动组件; 所述安装座设有第一滑槽 和第二滑槽; 所述左夹持件设有滑动连接于第一滑槽的左连接部; 所 述左连接部固定于左后夹持部的后端; 所述右夹持件设有滑动连接于 第二滑槽的右连接部; 所述右连接部固定于右后夹持部的后端; 所述 驱动组件分别驱动左夹持件、 右夹持件靠近或远离。
PCT/CN2018/096118 2018-06-26 2018-07-18 一种具有多工位的夹持组件及夹具 WO2020000534A1 (zh)

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