WO2019033745A1 - 加工治具 - Google Patents

加工治具 Download PDF

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Publication number
WO2019033745A1
WO2019033745A1 PCT/CN2018/077837 CN2018077837W WO2019033745A1 WO 2019033745 A1 WO2019033745 A1 WO 2019033745A1 CN 2018077837 W CN2018077837 W CN 2018077837W WO 2019033745 A1 WO2019033745 A1 WO 2019033745A1
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WO
WIPO (PCT)
Prior art keywords
hole
carrier plate
disposed
workpiece
pressure ring
Prior art date
Application number
PCT/CN2018/077837
Other languages
English (en)
French (fr)
Inventor
徐金根
向雪梅
张金山
潘群
Original Assignee
昆山科森科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 昆山科森科技股份有限公司 filed Critical 昆山科森科技股份有限公司
Priority to KR2020207000008U priority Critical patent/KR200493681Y1/ko
Publication of WO2019033745A1 publication Critical patent/WO2019033745A1/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/10Auxiliary devices, e.g. bolsters, extension members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/04Work clamping means using fluid means or a vacuum

Definitions

  • the present disclosure relates to the field of computer numerical control machine tool (CNC) processing technology, for example, to a processing jig.
  • CNC computer numerical control machine tool
  • CNC machine tool is an automatic machine tool controlled by program.
  • the machine tool performs the specified actions according to the set program, and the blank material is processed into semi-finished products or finished products by tool cutting.
  • the present disclosure provides a processing jig that can position a workpiece in an accurate processing position to ensure processing accuracy.
  • the present disclosure provides a processing fixture comprising: a left support, a right support, a carrier plate, a pressure ring and a telescopic positioning mechanism, and the two ends of the lower surface of the carrier are respectively associated with the left support and the right support a fixed connection, the pressure ring being arranged to fixedly connect the workpiece to the carrier plate;
  • a circular through hole is formed in the center of the carrier for inserting a product portion of the workpiece, and the surface of the carrier is disposed in contact with the residual portion of the workpiece, and the carrier is located outside the circular through hole.
  • the upper surface of the plate is evenly provided with at least one curved groove;
  • At least one screw hole is evenly disposed on the outer side of the circular through hole in a circumferential direction, and the mounting ring is provided with a mounting through hole corresponding to the at least one screw hole, a mounting through hole of the pressure ring, and the carrier plate
  • the screw hole is disposed to fix the pressure ring to the carrier plate by at least one bolt, and the outer side of the circular through hole is further provided with at least one positioning pin, and the positioning pin is matched with the pin hole of the pressure ring ;
  • the pressure ring includes an inner ring portion and an outer ring portion, a lower surface of the outer ring portion is higher than a lower surface of the inner ring portion, and a stepped groove is disposed inside the lower surface of the inner ring portion, and the inner ring portion is further Symmetrical setting has two avoiding through holes;
  • a contoured groove is disposed on each side of the surface of the carrier plate, and the contoured groove is located outside the circular through hole, and a pressing block is embedded in the contoured groove and is disposed to be fixed to the carrier by screws. connection;
  • the telescopic positioning mechanism includes a cylinder, a pull block and a limit post, the cylinder is fixedly mounted on a lower surface of the carrier, and the pull block is disposed to be fixed to a piston rod end of the cylinder by a screw, the pull block An inverted T-shaped slot is opened at one end, and a flange portion of the lower end of the limiting post is inserted into the inverted T-shaped slot to be connected with the pull block, and an upper end of the limiting post passes through a limiting through hole of the carrier board, The limiting post is disposed in contact with the through hole of the residue portion.
  • strip-shaped mounting holes are respectively disposed on two sides of the lower surface of the left support and the right support, and the strip-shaped mounting holes are disposed to be fixedly connected to the machine.
  • the number of pin holes of the at least one positioning pin and the pressure ring is two.
  • the compact is an L-shaped compact.
  • the number of the telescopic positioning mechanisms is two, symmetrically disposed on both sides of the circular through hole.
  • the processing tool provided in the embodiment of the present invention has a contoured groove disposed on each side of the surface of the carrier plate, and the contoured groove is located outside the circular through hole, and a pressing block is embedded in the contoured groove and is screwed
  • the fixed connection of the carrier plate and the setting of the pressure block can directly press the product part of the workpiece to fix the workpiece. Without using the pressure ring, the residual material part of the workpiece can be processed and cut off, and the structure is simple, and the pair can be guaranteed.
  • a telescopic positioning mechanism comprising a cylinder, a pull block and a limit post, the cylinder being fixedly mounted on the lower surface of the carrier, the pull block being fixed by screws
  • the limiting through hole of the plate is set to be in contact with the through hole of the residual material portion of the workpiece, and the setting of the telescopic positioning mechanism enables the limiting column to move up and down flexibly, and selects whether to pass the limit column according to the processing condition.
  • the limit column can be used to limit the workpiece to ensure that the workpiece is always in the correct machining position, thus ensuring the precision of the machining.
  • the limit column is moved down by the cylinder, and the resection of the residual material portion is performed.
  • the pressure ring includes an inner ring portion and an outer ring portion, a lower surface of the outer ring portion is higher than a lower surface of the inner ring portion, and a step is disposed inside the lower surface of the inner ring portion
  • the inner ring portion is also symmetrically provided with two avoiding through holes, and the step groove on the lower surface of the pressing ring is arranged, so that the pressing ring limits the workpiece to be processed from the upper surface and the side surface, thereby ensuring the workpiece to be processed.
  • the setting of the avoiding through hole provides a processing space for the machining tool to facilitate local machining of the workpiece; at least one screw hole is evenly disposed on the outer side of the circular through hole of the carrier plate in the circumferential direction, the pressure A mounting through hole corresponding to the screw hole of the carrier plate is opened on the ring, and at least one bolt sequentially passes through the mounting through hole of the pressure ring and the screw hole of the carrier plate to fix the pressure ring and the carrier plate, and the carrier plate has a circular shape. At least one positioning pin is further disposed on the outer side of the through hole, and the positioning pin is coupled with the pin hole of the pressure ring.
  • the bolt can be fixed in the vertical direction by setting a bolt, and the positioning pin can be arranged to realize the pressing force from the horizontal direction.
  • Ring positioning, screw It is provided with positioning pins, to achieve the three-dimensional positioning of the pressure ring, to ensure the stability and positioning accuracy.
  • FIG. 1 is a schematic structural view of a processing jig provided by an embodiment.
  • FIG. 2 is a schematic view showing a partial structure of a processing jig provided by an embodiment.
  • FIG. 3 is a schematic structural view of a pressure ring provided by an embodiment.
  • Embodiment 1 A processing jig (for example, a processing jig for a high-definition 360° camera bracket upper cover), including a left support 1, a right support 2, a carrier 3, a pressure ring 4, and a telescopic positioning mechanism 21
  • the two ends of the lower surface of the carrier 3 are fixedly connected to the left support 1 and the right support 2 respectively, and the pressure ring 4 is arranged to fixedly connect the workpiece 5 and the carrier 3;
  • a circular through hole 7 is formed in the center of the carrier plate 3 for inserting the product portion 51.
  • the upper surface of the carrier plate 3 is disposed in contact with the residual portion 52 of the workpiece 5, and the carrier plate is located outside the circular through hole 7. 3 the upper surface is evenly disposed with at least one curved groove 8;
  • the outer side of the circular through hole 7 of the carrier plate 3 is uniformly provided with at least one screw hole 11 in the circumferential direction of the circular through hole 7.
  • the pressure ring 4 is provided with a mounting through hole 12 corresponding to the screw hole 11 and pressed.
  • the mounting through hole 12 of the ring 4 and the screw hole 11 of the carrier plate 3 are disposed to fixedly connect the pressure ring 4 and the carrier plate 3 through at least one bolt (13), and at least one positioning pin 14 is disposed outside the circular through hole 7.
  • the positioning pin 14 is coupled with the pin hole 15 of the pressure ring 4;
  • the pressure ring 4 includes an inner ring portion 41 and a lower ring portion 42.
  • the lower surface of the outer ring portion 42 is higher than the lower surface of the inner ring portion 41, and a stepped groove 9 is disposed on the inner side of the lower surface of the inner ring portion 41.
  • the inner ring portion 41 is also symmetrically disposed with two avoiding through holes 10;
  • a contoured groove 16 is disposed on each side of the upper surface of the carrier 3, and the contoured groove 16 is located outside the circular through hole 7.
  • a pressing block 17 is embedded in the contoured groove 16 and is disposed through the screw and the carrier plate 3.
  • the telescopic positioning mechanism 21 includes a cylinder 22, a pull block 23 and a limit post 24 fixedly mounted on a lower surface of the carrier plate 3, and the pull block 23 is disposed to be fixed to the end of the piston rod 26 of the cylinder 22 by a screw 25, An inverted T-shaped groove 27 is defined in one end of the pull block 23, and the flange portion 28 at the lower end of the limiting post 24 is inserted into the inverted T-shaped groove 27 of the pull block 23 and connected to the pull block 23, and the limit post 24 is connected.
  • the upper end passes through the limiting through hole 29 of the carrier 3, and the limiting post 24 is disposed in contact with the through hole 53 of the residual portion 52.
  • strip-shaped mounting holes 6 are respectively disposed on two sides of the lower surface of the left support 1 and the right support 2, and the strip-shaped mounting holes 6 are provided as strip-shaped mounting holes 6 fixedly connected to the machine table.
  • Embodiment 2 A processing jig (for example, a processing jig for a high-definition 360° camera bracket upper cover), including a left support 1, a right support 2, a carrier 3, a pressure ring 4, and a telescopic positioning mechanism 21
  • the two ends of the lower surface of the carrier 3 are fixedly connected to the left support 1 and the right support 2, respectively, and the pressure ring 4 is arranged to fixedly connect the workpiece (5) with the carrier 3;
  • a circular through hole 7 is defined in the center of the carrier plate 3 for inserting the product portion 51 of the workpiece 5.
  • the upper surface of the carrier plate 3 is disposed in contact with the residual portion 52 of the workpiece 5, and is located outside the circular through hole 7.
  • the upper surface of the carrier plate 3 is evenly disposed with at least one curved groove 8;
  • the outer side of the circular through hole 7 of the carrier plate 3 is uniformly provided with at least one screw hole 11 in the circumferential direction of the circular through hole 7.
  • the pressure ring 4 is provided with a mounting through hole 12 corresponding to the screw hole 11 and pressed.
  • the mounting through hole 12 of the ring 4 and the screw hole 11 of the carrier plate 3 are disposed to fixedly connect the pressure ring 4 and the carrier plate 3 through at least one bolt (13), and at least one positioning pin 14 is disposed outside the circular through hole 7.
  • the positioning pin 14 is coupled with the pin hole 15 of the pressure ring 4;
  • the pressure ring 4 includes an inner ring portion 41 and a lower ring portion 42.
  • the lower surface of the outer ring portion 42 is higher than the lower surface of the inner ring portion 41, and a stepped groove 9 is disposed on the inner side of the lower surface of the inner ring portion 41.
  • the inner ring portion 41 is also symmetrically disposed with two avoiding through holes 10;
  • the two sides of the upper surface of the carrier 3 are respectively provided with a contoured groove 16 which is located outside the circular through hole 7.
  • a pressing block 17 is embedded in the contoured groove 16 and is arranged to be screwed and loaded.
  • the board 3 is fixedly connected;
  • the telescopic positioning mechanism 21 includes a cylinder 22, a pull block 23 and a limit post 24 fixedly mounted on a lower surface of the carrier plate 3, and the pull block 23 is disposed to be fixed to the end of the piston rod 26 of the cylinder 22 by a screw 25, An inverted T-shaped slot 27 is defined at one end of the pull block 23, and the flange portion 28 of the lower end of the limiting post 24 is inserted into the inverted T-shaped slot 27 of the pull block 23 and connected to the pull block 23, and the upper end of the limiting post 24 is connected.
  • the limiting post 24 is disposed in contact with the through hole 53 of the residual portion 52.
  • the number of pin holes 15 of the at least one positioning pin 14 and the pressure ring 4 is two.
  • the pressing block 17 is an L-shaped pressing block.
  • the number of the telescopic positioning mechanisms 21 is two, symmetrically disposed on both sides of the circular through hole 7.
  • the product portion 51 of the workpiece 5 can be directly pressed by the setting of the pressing block 17, so as to fix the workpiece 5 without using a pressing ring, that is, the workpiece 5 can be
  • the residual material portion 52 is processed and cut off, and the structure is simple, the positioning accuracy of the workpiece 5 can be ensured, thereby ensuring the precision of the processing;
  • the setting of the telescopic positioning mechanism 21 allows the limit column 24 to move up and down flexibly, and whether the selection is passed according to the processing condition.
  • the limit column 24 positions the workpiece 5.
  • the limit column 24 can be enabled to limit the workpiece to ensure that the workpiece 5 is always in an accurate machining position, thereby ensuring processing.
  • Accuracy when the machining center needs to cut off the residual portion 52 of the workpiece 5, the limit column 24 is moved downward by the cylinder 22, and then the cutting operation of the residual material portion 52 is performed; the lower surface step groove 9 of the pressure ring 4
  • the pressure ring 4 is arranged to limit the workpiece 5 from the upper surface and the side surface, thereby ensuring the accuracy and stability of the positioning of the workpiece to be processed;
  • the setting of the avoiding through hole 10 is a processing tool
  • the bolt 13 is arranged to fix the pressure ring in the vertical direction, and the positioning pin 14 is arranged to realize the positioning of the pressure ring 4 from the horizontal direction, the bolt 13 and the positioning pin 14 with the setting, the three-dimensional positioning of the pressure ring 4 is realized, and the accuracy and stability of the positioning
  • the processing jig provided by the present disclosure has a simple structure and can make the workpiece in an accurate processing position, thereby ensuring processing precision.

Abstract

一种加工治具,工件通过压环(4)与载板(3)固定连接,载板(3)的圆形通孔外侧还设置有至少一个定位销(14),定位销(14)与压环的销孔(15)配合连接,压环(4)包括内圈部(41)和外圈部(42),内圈部(41)还对称设置有两个避位通孔(10),伸缩定位机构(21)包括气缸(22)、拉块(23)和限位柱(24),拉块(23)通过一螺钉(25)固定于气缸的活塞杆(26)末端,限位柱(24)上端穿过载板(3)的限位通孔(29),限位柱(24)设置为与工件残料部(52)的通孔(53)接触连接。该加工治具在加工工件的不同部位时都使工件准确定位。

Description

加工治具 技术领域
本公开涉及计算机数字控制机床(Computer Numerical Control,CNC)加工技术领域,例如涉及一种加工治具。
背景技术
计算机数字控制机床简称数控机床,是一种由程序控制的自动化机床。通过计算机控制系统,使机床按设定好的程序执行规定的动作,通过刀具切削将毛坯材料加工成半成品或成品。
发明内容
本公开提供一种加工治具,该加工治具可以使工件处于准确的加工位置,从而保证加工的精度。
本公开提供一种加工治具,包括:左支座、右支座、载板、压环和伸缩定位机构,所述载板下表面两端分别与所述左支座和所述右支座固定连接,所述压环设置为将工件与所述载板固定连接;
所述载板中央设置有一供工件的产品部嵌入的圆形通孔,所述载板上表面设置为与所述工件的残料部接触连接,位于所述圆形通孔外侧的所述载板上表面均匀设置有至少一个弧形槽;
所述圆形通孔外侧沿周向均匀设置有至少一个螺孔,所述压环上开设有与所述至少一个螺孔对应的安装通孔,压环的安装通孔和所述载板的螺孔设置为通过至少一个螺栓将所述压环与所述载板固定连接,所述圆形通孔外侧还设置有至少一个定位销,所述定位销与所述压环的销孔配合连接;
所述压环包括内圈部和外圈部,所述外圈部的下表面高于所述内圈部的下表面,所述内圈部下表面内侧设置有一阶梯槽,所述内圈部还对称设置有两个避位通孔;
所述载板上表面两侧分别设置有一仿形槽,所述仿形槽均位于圆形通孔的外侧,一压块嵌入所述仿形槽内并设置为通过螺钉与所述载板固定连接;
所述伸缩定位机构包括气缸、拉块和限位柱,所述气缸固定安装于所述载 板下表面,所述拉块设置为通过螺钉固定于所述气缸的活塞杆末端,所述拉块一端开有一倒T型槽,所述限位柱下端的凸缘部嵌入所述倒T型槽内与所述拉块连接,所述限位柱上端穿过载板的限位通孔,所述限位柱设置为与所述残料部的通孔接触连接。
在一实施例中,所述左支座和右支座下表面两侧分别设置有条状安装孔,所述条状安装孔设置为与机台固定连接。
在一实施例中,所述至少一个定位销和所述压环的销孔的数目均为两个。
在一实施例中,所述压块为L形压块。
在一实施例中,所述伸缩定位机构的数目为两个,对称设置于所述圆形通孔两侧。
1.本申请实施例提供的加工治具,载板上表面两侧分别设置有一仿形槽,仿形槽均位于圆形通孔外侧,一压块嵌入所述仿形槽内并通过螺钉与载板固定连接,压块的设置,可以直接压住工件的产品部,起到对工件的固定作用,无需使用压环,即可以对工件的残料部进行加工切除,结构简单,可以保证对工件的定位精度,从而保证加工的精度;还包括一伸缩定位机构,伸缩定位机构包括气缸、拉块和限位柱,所述气缸固定安装于载板下表面,所述拉块通过螺钉固定于气缸的活塞杆末端,所述拉块末端开有一倒T型槽,所述限位柱下端的凸缘部嵌入拉块的倒T型槽内与拉块连接,所述限位柱上端穿过载板的限位通孔,限位柱设置为与工件残料部的通孔接触连接,伸缩定位机构的设置,使得限位柱可以灵活的上下移动,根据加工情况选择是否通过限位柱对工件进行定位,当加工中心对工件的产品部做精加工时,可以启用限位柱对工件进行限位,保证工件始终处于准确的加工位置,从而保证加工的精度,当加工中心需要对工件的残料部进行切除时,则通过气缸将限位柱下移,再进行对残料部的切除工作。
2.本申请实施例提供的加工治具,压环包括内圈部和外圈部,所述外圈部的下表面高于内圈部的下表面,所述内圈部下表面内侧设置有一阶梯槽,所述内圈部还对称设置有两个避位通孔,压环下表面阶梯槽的设置,使得压环从上表面和侧面两个方向对待加工件进行限位,从而保证对待加工件定位的精度和稳定性;避位通孔的设置,为加工刀具提供加工空间,方便对工件的局部加工;载板的圆形通孔外侧沿周向均匀设置有至少一个螺孔,所述压环上开设有与载板的螺孔对应的安装通孔,至少一个螺栓依次穿过压环的安装通孔和载板的螺 孔将压环与载板固定连接,所述载板的圆形通孔外侧还设置有至少一个定位销,此定位销与压环的销孔配合连接,通过设置螺栓,可以在竖直方向对压环进行固定,设置定位销,则可以从水平方向实现对压环的定位,螺栓与定位销配合设置,实现了对压环的三维定位,保证定位的精度的和稳定性。
附图说明
附图1为一实施例提供的加工治具结构示意图。
附图2为一实施例提供的加工治具局部结构示意图。
附图3为一实施例提供的压环的结构示意图。
以上附图中:1、左支座;2、右支座;3、载板;4、压环;41、内圈部;42、外圈部;5、工件;51、产品部;52、残料部;53、通孔;6、条状安装孔;7、圆形通孔;8、弧形槽;9、阶梯槽;10、避位通孔;11、螺孔;12、安装通孔;13、螺栓;14、定位销;15、销孔;16、仿形槽;17、压块;21、伸缩定位机构;22、气缸;23、拉块;24、限位柱;25、螺钉;26、活塞杆;27、倒T型槽;28、凸缘部;29、限位通孔。
具体实施方式
下面结合附图及实施例对本申请实施例进行描述:
实施例1:一种加工治具(例如用于高清晰360°摄像机支架上盖的加工治具),包括左支座1、右支座2、载板3、压环4和伸缩定位机构21,所述载板3下表面两端分别与左支座1和右支座2固定连接,压环4设置为将工件5与载板3固定连接;
所述载板3中央设置有一供产品部51嵌入的圆形通孔7,载板3上表面设置为与所述工件5的残料部52接触连接,位于圆形通孔7外侧的载板3上表面均匀设置有至少一个弧形槽8;
所述载板3的圆形通孔7外侧沿圆形通孔7的周向均匀设置有至少一个螺孔11,所述压环4上开设有与螺孔11对应的安装通孔12,压环4的安装通孔12和载板3的螺孔11设置为通过至少一个螺栓(13)将压环4与载板3固定连接,圆形通孔7外侧还设置有至少一个定位销14,此定位销14与压环4的销孔 15配合连接;
所述压环4包括内圈部41和外圈部42,所述外圈部42的下表面高于内圈部41的下表面,所述内圈部41下表面内侧设置有一阶梯槽9,所述内圈部41还对称设置有2个避位通孔10;
所述载板3上表面两侧分别设置有一仿形槽16,此仿形槽16均位于圆形通孔7外侧,一压块17嵌入仿形槽16内并设置为通过螺钉与载板3固定连接;
伸缩定位机构21包括气缸22、拉块23和限位柱24,所述气缸22固定安装于载板3下表面,所述拉块23设置为通过螺钉25固定于气缸22的活塞杆26末端,所述拉块23的一端开设有一倒T型槽27,所述限位柱24下端的凸缘部28嵌入拉块23的倒T型槽27内与拉块23连接,所述限位柱24上端穿过载板3的限位通孔29,限位柱24设置为与残料部52的通孔53接触连接。
在一实施例中,上述左支座1和右支座2下表面两侧分别设置有条状安装孔6,条状安装孔6设置为与机台固定连接的条状安装孔6。
实施例2:一种加工治具(例如用于高清晰360°摄像机支架上盖的加工治具),包括左支座1、右支座2、载板3、压环4和伸缩定位机构21,所述载板3下表面两端分别与左支座1和右支座2固定连接,压环4设置为将工件(5)与载板3固定连接;
所述载板3中央设置有一供工件5的产品部51嵌入的圆形通孔7,载板3上表面设置为与所述工件5的残料部52接触连接,位于圆形通孔7外侧的载板3上表面均匀设置有至少一个弧形槽8;
所述载板3的圆形通孔7外侧沿圆形通孔7的周向均匀设置有至少一个螺孔11,所述压环4上开设有与螺孔11对应的安装通孔12,压环4的安装通孔12和载板3的螺孔11设置为通过至少一个螺栓(13)将压环4与载板3固定连接,圆形通孔7外侧还设置有至少一个定位销14,此定位销14与压环4的销孔15配合连接;
所述压环4包括内圈部41和外圈部42,所述外圈部42的下表面高于内圈部41的下表面,所述内圈部41下表面内侧设置有一阶梯槽9,所述内圈部41还对称设置有两个避位通孔10;
所述载板3上表面两侧分别设置有一仿形槽16,此仿形槽16均位于圆形通孔7外侧,一压块17嵌入所述仿形槽16内并设置为通过螺钉与载板3固定连接;
伸缩定位机构21包括气缸22、拉块23和限位柱24,所述气缸22固定安装于载板3下表面,所述拉块23设置为通过螺钉25固定于气缸22的活塞杆26末端,所述拉块23一端开设有一倒T型槽27,所述限位柱24下端的凸缘部28嵌入拉块23的倒T型槽27内与拉块23连接,所述限位柱24上端穿过载板3的限位通孔29,限位柱24设置为与残料部52的通孔53接触连接。
在一实施例中,上述至少一个定位销14和压环4的销孔15数目均为两个。
在一实施例中,上述压块17为L形压块。
在一实施例中,上述伸缩定位机构21的数目为两个,对称设置于圆形通孔7两侧。
采用本申请实施例中的加工治具时,通过压块17的设置,可以直接压住工件5的产品部51,起到对工件5的固定作用,无需使用压环,即可以对工件5的残料部52进行加工切除,结构简单,可以保证对工件5的定位精度,从而保证加工的精度;伸缩定位机构21的设置,使得限位柱24可以灵活的上下移动,根据加工情况选择是否通过限位柱24对工件5进行定位,当加工中心对工件5的产品部做精加工时,可以启用限位柱24对工件进行限位,保证工件5始终处于准确的加工位置,从而保证加工的精度,当加工中心需要对工件5的残料部52进行切除时,则通过气缸22将限位柱24下移,再进行对残料部52的切除工作;压环4下表面阶梯槽9的设置,使得压环4从上表面和侧面两个方向对待加工件5进行限位,从而保证对待加工件定位的精度和稳定性;避位通孔10的设置,为加工刀具提供加工空间,方便对工件5的局部加工;螺栓13的设置,在竖直方向对压环进行固定,定位销14的设置,则从水平方向实现对压环4的定位,螺栓13与定位销14配合设置,实现了对压环4的三维定位,保证定位的精度的和稳定性。
工业实用性
本公开提供的加工治具,结构简单,可以使工件处于准确的加工位置,从而保证加工的精度。

Claims (5)

  1. 一种加工治具,包括:左支座(1)、右支座(2)、载板(3)、压环(4)和伸缩定位机构(21),所述载板(3)下表面两端分别与所述左支座(1)和所述右支座(2)固定连接,所述压环(4)设置为将工件(5)与所述载板(3)固定连接;
    所述载板(3)中央设置有一供工件(5)的产品部(51)嵌入的圆形通孔(7),所述载板(3)上表面设置为与所述工件(5)的残料部(52)接触连接,位于所述圆形通孔(7)外侧的所述载板(3)上表面均匀设置有至少一个弧形槽(8);
    所述圆形通孔(7)外侧沿周向均匀设置有至少一个螺孔(11),所述压环(4)上开设有与所述至少一个螺孔(11)对应的安装通孔(12),压环(4)的安装通孔(12)和所述载板(3)的螺孔(11)设置为通过至少一个螺栓(13)将所述压环(4)与所述载板(3)固定连接,所述圆形通孔(7)外侧还设置有至少一个定位销(14),所述定位销(14)与所述压环(4)的销孔(15)配合连接;
    所述压环(4)包括内圈部(41)和外圈部(42),所述外圈部(42)的下表面高于所述内圈部(41)的下表面,所述内圈部(41)下表面内侧设置有一阶梯槽(9),所述内圈部(41)还对称设置有两个避位通孔(10);
    所述载板(3)上表面两侧分别设置有一仿形槽(16),所述仿形槽(16)均位于圆形通孔(7)的外侧,一压块(17)嵌入所述仿形槽(16)内并设置为通过螺钉与所述载板(3)固定连接;
    所述伸缩定位机构(21)包括气缸(22)、拉块(23)和限位柱(24),所述气缸(22)固定安装于所述载板(3)下表面,所述拉块(23)设置为通过螺钉(25)固定于所述气缸(22)的活塞杆(26)末端,所述拉块(23)一端开有一倒T型槽(27),所述限位柱(24)下端的凸缘部(28)嵌入所述倒T型槽(27)内与所述拉块(23)连接,所述限位柱(24)上端穿过载板(3)的限位通孔(29),所述限位柱(24)设置为与所述残料部(52)的通孔(53)接触连接。
  2. 根据权利要求1所述的加工治具,其中:所述左支座(1)和右支座(2)下表面两侧分别设置有条状安装孔(6),所述条状安装孔(6)设置为与机台固定连接。
  3. 根据权利要求1所述的加工治具,其中:所述至少一个定位销(14)和 所述压环(4)的销孔(15)的数目均为两个。
  4. 根据权利要求1所述的加工治具,其中:所述压块(17)为L形压块。
  5. 根据权利要求1所述的加工治具,其中:所述伸缩定位机构(21)的数目为两个,对称设置于所述圆形通孔(7)两侧。
PCT/CN2018/077837 2017-08-16 2018-03-02 加工治具 WO2019033745A1 (zh)

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