CN109015004B - Mechanical connecting arm positioning tool - Google Patents
Mechanical connecting arm positioning tool Download PDFInfo
- Publication number
- CN109015004B CN109015004B CN201810795033.8A CN201810795033A CN109015004B CN 109015004 B CN109015004 B CN 109015004B CN 201810795033 A CN201810795033 A CN 201810795033A CN 109015004 B CN109015004 B CN 109015004B
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- 230000006835 compression Effects 0.000 claims abstract description 37
- 238000007906 compression Methods 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a mechanical connecting arm positioning tool which comprises a substrate and a support frame, wherein the support frame is positioned on the upper end face of the substrate; the support frame is provided with a hooking positioning module, a lateral pressing module, a central pressing module and a floating positioning module; the hooking positioning module comprises a first positioning block, a barb and a sliding driving rod; the side compression module comprises a side support plate, a bolt and a pressing block, wherein the pressing block is positioned on the bolt at the top end of the side support plate; the central compression module comprises a second positioning block and a compression rod, a supporting rod and a limiting supporting block are arranged on the second positioning block, and the compression rod is hinged with the supporting rod; the floating positioning module comprises a floating positioning pin, and the floating positioning pin is connected with the top end of the supporting frame through a fixed block. The invention can carry out stable and accurate integral positioning and clamping on the mechanical connecting arm, is convenient and time-saving to clamp, and simultaneously ensures that no deflection is generated due to multi-point and multi-directional stress in the processing process.
Description
Technical Field
The invention relates to the field of tool fixtures required by machining, in particular to a mechanical connecting arm positioning tool.
Background
The mechanical connecting arm is an important part for an arm bending mechanism on heavy-duty mechanical equipment. The mechanical connecting arm is a non-standard part, the two ends of the mechanical connecting arm are provided with bearing through hole structures, the cross section of the mechanical connecting arm is in an irregular I shape, and the whole structure is complex.
Because the whole structure of the mechanical connecting arm is complex, when the CNC machining center performs machining operation, multiple cutters are required to process multiple positions and multiple angles on the mechanical connecting arm, so that the stress points and the stress directions of the mechanical connecting arm are more in the whole machining process.
Because the structure of the mechanical connecting arm is complex, and the force points and the stress directions in the machining process are more, the mechanical connecting arm is not easy to position and clamp by adopting a common positioning tool or is deflected due to stress in the machining process after being positioned and clamped, so that the machining precision of the mechanical connecting arm is affected.
Disclosure of Invention
The purpose of the invention is that: the mechanical connecting arm positioning tool can be used for stably and accurately integrally positioning and clamping the mechanical connecting arm, is convenient to clamp and time-saving, and can be used for preventing deflection caused by multi-point multi-directional stress in the machining process.
In order to achieve the above object, the present invention provides the following technical solutions:
The mechanical connecting arm positioning tool comprises a substrate and a supporting frame, wherein the supporting frame is positioned on the upper end face of the substrate; the support frame is provided with a hooking positioning module, a lateral pressing module, a central pressing module and a floating positioning module; the hooking positioning module comprises a first positioning block, a barb and a sliding driving rod, wherein the upper end of the first positioning block is provided with a positioning groove and a first protruding part, the barb is hinged with the first protruding part, and the sliding driving rod is embedded into the first protruding part and is hinged with the bottom end of the barb; the side compression module comprises a side support plate, a bolt and a pressing block, wherein the pressing block is positioned on the bolt at the top end of the side support plate; the central compression module comprises a second positioning block and a compression rod, a supporting rod and a limiting supporting block are arranged on the second positioning block, the compression rod is hinged with the supporting rod, and a compression screw is arranged in the middle of the supporting rod; the floating positioning module comprises a floating positioning pin which is connected with the top end of the support frame through a fixed block; the side support plate is connected with the top end of the support frame, the bolts are vertically arranged, the pressing blocks are horizontally arranged, the side support plate is also provided with equal-height blocks, and the equal-height blocks are positioned at the lower part of one end of the pressing blocks, which is far away from the hooking positioning module; the bolt penetrates through the through hole in the pressing block, a spring is arranged on the periphery of the bolt at the lower end of the pressing block, and a nut at the top of the bolt is contacted with the top end of the pressing block; the top end of the second positioning block is provided with a second protruding part, one end of the second protruding part, which is far away from the second positioning block, is provided with a supporting positioning pin and a side positioning pin, and the direction of the side positioning pin is opposite to that of the barb; the floating positioning module is specifically positioned between the hooking positioning module at the top end of the support frame and the central pressing module and at one side of the hooking positioning module far away from the central pressing module, one fixed block corresponds to two floating positioning pins, and the floating positioning pins are vertically arranged; the two sides of the upper ends of the first positioning block and the second positioning block are respectively provided with a positioning screw, the positioning screws are horizontally arranged, and external threads of the positioning screws are matched with threaded holes on the side surfaces of the upper sections of the first positioning block or the second positioning block.
Further, the positioning groove on the first positioning block is located at the position, close to two sides, of the top end of the first positioning block, the first protruding portion is located at the position between the positioning grooves, the top end of the barb is provided with a hook-shaped protrusion, the middle section of the barb is hinged with the side wall of the deep groove on the first protruding portion, and the sliding driving rod is located on the side face of the first positioning block.
Further, the supporting rod and the pressing rod are respectively located at two sides of the upper end of the second positioning block, a U-shaped groove is formed in one end, far away from the supporting rod, of the pressing rod, the U-shaped groove of the pressing rod is matched with the middle upper portion of the limiting supporting block, and a locking knob is arranged at the top end of the limiting supporting block.
Further, the locking knob is movably connected with the top end of the limiting support block, and the length of the locking knob is larger than the width of the U-shaped groove of the pressing rod; and the compression screw on the compression rod is vertical to the compression rod.
The beneficial effects of the invention are as follows: the utility model provides a mechanical connecting arm location frock carries out supporting design according to the mechanism of mechanical connecting arm, through the cooperation use of hooking positioning module, side pressing module, central pressing module and floating positioning module, can stabilize, accurate whole location clamping to the comparatively complicated mechanical connecting arm of structure, clamping to mechanical connecting arm is comparatively simple with taking out the operation, the clamping is convenient, save time, guarantee simultaneously that mechanical connecting arm work piece can not produce the adverse phenomenon of skew because of the multi-point multi-direction atress that processing cutter applyed in the course of working, guarantee the machining precision of mechanical connecting arm, and then guarantee the qualification rate.
Drawings
Fig. 1 is a front view of the whole structure of a mechanical connecting arm positioning tool of the invention.
Fig. 2 is a top view of the whole structure of the mechanical connecting arm positioning tool of the invention.
Fig. 3 is an isometric view of an overall structure of a mechanical connecting arm positioning tool of the present invention.
Fig. 4 is an isometric view of another view of the overall structure of a mechanical connecting arm positioning tool of the present invention.
In the figure: 1. a substrate; 2. a support frame; 3. a first positioning block; 4. a positioning groove; 5. a set screw; 6. a first boss; 7. a barb; 8. a slip drive rod; 9. a side support plate; 10. a bolt; 11. briquetting; 12. a spring; 13. a contour block; 14. a second positioning block; 15. a second protruding portion; 16. supporting the positioning pin; 17. a side locating pin; 18. a support rod; 19. a pressing rod; 20. a compression screw; 21. limiting support blocks; 22. a locking knob; 23. a floating locating pin; 24. and a fixed block.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 4, a mechanical connecting arm positioning tool comprises a substrate 1 and a support frame 2, wherein the support frame 2 is positioned on the upper end face of the substrate 1; the support frame 2 is provided with a hooking positioning module, a lateral compacting module, a central compacting module and a floating positioning module; the hooking positioning module comprises a first positioning block 3, a barb 7 and a sliding driving rod 8, wherein a positioning groove 4 and a first protruding part 6 are arranged at the upper end of the first positioning block 3, the barb 7 is hinged with the first protruding part 6, and the sliding driving rod 8 is embedded into the first protruding part 6 and is hinged with the bottom end of the barb 7; the side compression module comprises a side support plate 9, a bolt 10 and a pressing block 11, wherein the pressing block 11 is positioned on the bolt 10 at the top end of the side support plate 9; the central compression module comprises a second positioning block 14 and a compression rod 19, a supporting rod 18 and a limiting supporting block 21 are arranged on the second positioning block 14, the compression rod 19 is hinged with the supporting rod 18, and a compression screw 20 is arranged in the middle of the supporting rod 18; the floating positioning module comprises a floating positioning pin 23, the floating positioning pin 23 is connected with the top end of the supporting frame 2 through a fixed block 24, and the floating positioning pin 23 is used for supporting and positioning the bottom end of the mechanical connecting arm.
The hooking positioning module is used for hooking and positioning the bottom of one end of the mechanical connecting arm; the side compression module is used for compressing and positioning the top end of the middle section of the mechanical connecting arm, and the center compression module is used for compressing, supporting and positioning the top and the bottom of the other end of the mechanical connecting arm respectively; the floating positioning module is used for supporting and positioning the bottom end of the mechanical connecting arm.
The positioning grooves 4 on the first positioning blocks 3 are located at positions, close to two sides, of the top ends of the first positioning blocks 3, the first protruding portions 6 are located at positions between the positioning grooves 4, hook-shaped protrusions are arranged on the top ends of the barbs 7, the middle sections of the barbs 7 are hinged to the side walls of the deep grooves on the first protruding portions 6, and the sliding driving rods 8 are located on the side faces of the first positioning blocks 3.
The side support plate 9 is connected with the top of the support frame 2, the bolt 10 is vertically arranged, the pressing block 11 is horizontally arranged, the pressing block 11 is used for compressing and positioning the top of the mechanical connecting arm, the side support plate 9 is further provided with the equal-height block 13, the equal-height block 13 is used for carrying out high-altitude support on one end of the pressing block 11 far away from the mechanical connecting arm, the pressing block deflection is avoided, and the equal-height block 13 is located at the lower part of one end of the pressing block 11 far away from the hooking and positioning module.
The bolt 10 runs through the through hole on the briquetting 11, the bolt 10 periphery of briquetting 11 lower extreme is provided with spring 12, the nut at bolt 10 top contacts with the top of briquetting 11, when upwards twisting the nut on the bolt 10, under the elasticity effect of spring 12, briquetting 11 can follow bolt 10 and upwards remove, and then make things convenient for taking out of mechanical connecting arm work piece.
The supporting rod 18 and the pressing rod 19 are respectively located at two sides of the upper end of the second positioning block 14, a U-shaped groove is formed in one end, far away from the supporting rod 18, of the pressing rod 19, the U-shaped groove of the pressing rod 19 is matched with the middle upper portion of the limiting supporting block 21, a locking knob 22 is arranged at the top end of the limiting supporting block 21, and the locking knob 22 can rotate relative to the limiting supporting block 21 and is used for locking or loosening the pressing rod 19.
The locking knob 22 is movably connected with the top end of the limiting support block 21, and the length of the locking knob 22 is larger than the width of the U-shaped groove of the pressing rod 19; the compression screw 20 on the compression rod 19 is perpendicular to the compression rod 19, the external thread of the compression screw 20 is matched with the internal thread of the vertical through hole in the middle of the compression rod 19, and the compression screw 20 is used for compressing and positioning the top end of the mechanical connecting arm from top to bottom.
The top of second locating piece 14 is provided with second bellying 15, the one end that second bellying 15 kept away from second locating piece 14 is provided with support locating pin 16 and side locating pin 17, support locating pin 16 is used for carrying out the location support to the bottom of mechanical connecting arm, the side locating pin 17 is opposite with barb 7's orientation, realizes the taut location to the mechanical connecting arm through reverse effort.
The floating positioning module is specifically located between the hooking positioning module at the top end of the support frame 2 and the central pressing module and at one side of the hooking positioning module away from the central pressing module, one fixing block 24 corresponds to two floating positioning pins 23, and the floating positioning pins 23 are vertically arranged.
The two sides of the upper ends of the first positioning block 3 and the second positioning block 14 are respectively provided with a positioning screw 5, the positioning screws 5 are horizontally arranged, and external threads of the positioning screws 5 are matched with threaded holes on the side surfaces of the upper sections of the first positioning block 3 or the second positioning block 14.
The working principle of the invention is as follows: before the mechanical connecting arm workpiece is placed, the pressing rod 19 is rotated relative to the supporting rod 18 to be in an open state, and the sliding driving rod 8 is pulled outwards, so that the top of the barb 7 is turned towards the direction deviating from the hook-shaped protrusion; the mechanical connecting arm is integrally placed at a designated position, the bottom end of the mechanical connecting arm is put on a floating locating pin 23 of a floating locating module, the bottom end of the mechanical connecting arm is correspondingly embedded into locating grooves 4 on a first locating block 3 and a second locating block 14, a supporting locating pin 16 and a side locating pin 17 on a second protruding portion 15 are respectively contacted with the bottom surface and the side surface of a bottom end protrusion of the mechanical connecting arm, locating screws 5 on the first locating block 3 and the second locating block 14 are adjusted, the mechanical connecting arm is transversely located by the plurality of locating screws 5, a sliding driving rod 8 is pushed towards the direction of the first locating block 3, a boss structure at the bottom end of the mechanical connecting arm is hooked by a hook-shaped protrusion at the top end of the barb 7 under the overturning lever action of the barb 7, then a pressing rod 19 is overturned relative to a supporting rod 18, a U-shaped groove of the pressing rod 19 is contacted with the top end of the limiting supporting rod 21, at the moment, a locking knob 22 can be screwed by 90 degrees relative to the limiting supporting rod 21 by a hand, the pressing rod 19 is locked, and finally the pressing screw 20 is screwed, the pressing rod 20 is moved relative to the pressing rod 19, so that the mechanical connecting arm is integrally located.
In the present invention, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The above examples are provided to further illustrate the invention and do not limit the invention to these specific embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be construed as being within the protection scope of the present invention.
Claims (4)
1. The mechanical connecting arm positioning tool comprises a substrate and a supporting frame, wherein the supporting frame is positioned on the upper end face of the substrate; the method is characterized in that: the support frame is provided with a hooking positioning module, a lateral pressing module, a central pressing module and a floating positioning module; the hooking positioning module comprises a first positioning block, a barb and a sliding driving rod, wherein the upper end of the first positioning block is provided with a positioning groove and a first protruding part, the barb is hinged with the first protruding part, and the sliding driving rod is embedded into the first protruding part and is hinged with the bottom end of the barb; the side compression module comprises a side support plate, a bolt and a pressing block, wherein the pressing block is positioned on the bolt at the top end of the side support plate; the central compression module comprises a second positioning block and a compression rod, a supporting rod and a limiting supporting block are arranged on the second positioning block, the compression rod is hinged with the supporting rod, and a compression screw is arranged in the middle of the supporting rod; the floating positioning module comprises a floating positioning pin which is connected with the top end of the support frame through a fixed block; the side support plate is connected with the top end of the support frame, the bolts are vertically arranged, the pressing blocks are horizontally arranged, the side support plate is also provided with equal-height blocks, and the equal-height blocks are positioned at the lower part of one end of the pressing blocks, which is far away from the hooking positioning module; the bolt penetrates through the through hole in the pressing block, a spring is arranged on the periphery of the bolt at the lower end of the pressing block, and a nut at the top of the bolt is contacted with the top end of the pressing block; the top end of the second positioning block is provided with a second protruding part, one end of the second protruding part, which is far away from the second positioning block, is provided with a supporting positioning pin and a side positioning pin, and the direction of the side positioning pin is opposite to that of the barb; the floating positioning module is specifically positioned between the hooking positioning module at the top end of the support frame and the central pressing module and at one side of the hooking positioning module far away from the central pressing module, one fixed block corresponds to two floating positioning pins, and the floating positioning pins are vertically arranged; the two sides of the upper ends of the first positioning block and the second positioning block are respectively provided with a positioning screw, the positioning screws are horizontally arranged, and external threads of the positioning screws are matched with threaded holes on the side surfaces of the upper sections of the first positioning block or the second positioning block.
2. The mechanical connecting arm positioning tool according to claim 1, wherein: the locating groove on the first locating block is located at a position, close to two sides, of the top end of the first locating block, the first protruding portion is located at a position between the locating grooves, hook-shaped protrusions are arranged on the top end of the barb, the middle section of the barb is hinged to the side wall of the deep groove on the first protruding portion, and the sliding driving rod is located on the side face of the first locating block.
3. The mechanical connecting arm positioning tool according to claim 1, wherein: the support rod and the compression rod are respectively positioned at two sides of the upper end of the second positioning block, a U-shaped groove is formed in one end, far away from the support rod, of the compression rod, the U-shaped groove of the compression rod is matched with the middle upper part of the limiting support block, and a locking knob is arranged at the top end of the limiting support block.
4. A mechanical linkage arm positioning tool according to claim 3, wherein: the locking knob is movably connected with the top end of the limiting support block, and the length of the locking knob is larger than the width of the U-shaped groove of the pressing rod; and the compression screw on the compression rod is vertical to the compression rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795033.8A CN109015004B (en) | 2018-07-19 | 2018-07-19 | Mechanical connecting arm positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795033.8A CN109015004B (en) | 2018-07-19 | 2018-07-19 | Mechanical connecting arm positioning tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109015004A CN109015004A (en) | 2018-12-18 |
| CN109015004B true CN109015004B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810795033.8A Active CN109015004B (en) | 2018-07-19 | 2018-07-19 | Mechanical connecting arm positioning tool |
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| CN (1) | CN109015004B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181212B (en) * | 2019-04-23 | 2024-03-29 | 纽维科精密制造江苏有限公司 | Bidirectional centering positioning and double-wedge floating self-locking type fixing tool |
| CN111496825A (en) * | 2020-04-30 | 2020-08-07 | 广州富港万嘉智能科技有限公司 | Quick-connection tool with accurate installation |
| CN113681322A (en) * | 2021-09-29 | 2021-11-23 | 中国航发动力股份有限公司 | Blade positioning key end face machining clamping device and method |
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| CN208880192U (en) * | 2018-07-19 | 2019-05-21 | 苏州市山花精密机械有限公司 | A kind of mechanical connection arm positioning tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0647617Y2 (en) * | 1987-02-10 | 1994-12-07 | 日産自動車株式会社 | Work receiving jig |
| EP0857544B1 (en) * | 1997-01-27 | 2004-03-24 | Matrix GmbH, Spannsysteme und Produktionsautomatisierung | Clamping device for workpieces |
| JP2000024939A (en) * | 1997-02-09 | 2000-01-25 | Yukio Miyazono | Engine crank pulley fixture |
| JP2000326165A (en) * | 1999-05-14 | 2000-11-28 | Citizen Watch Co Ltd | Sheet metal supporting device and actually packaged machine |
| DE202007012966U1 (en) * | 2007-09-15 | 2007-12-06 | Rampf Dosiertechnik Gmbh & Co. Kg | Hole gripper and hold-down |
| US10052744B2 (en) * | 2011-01-10 | 2018-08-21 | GM Global Technology Operations LLC | Fixture for supporting a workpiece |
| CN202388282U (en) * | 2011-12-28 | 2012-08-22 | 贵州航天乌江机电设备有限责任公司 | Machine tool fixture for secondary clamping of large workpieces |
| CN103746250A (en) * | 2013-12-26 | 2014-04-23 | 昆山福易雅自动化科技有限公司 | Connector automatic assembling equipment |
| CN204053581U (en) * | 2014-06-07 | 2014-12-31 | 邹玉清 | The clamp mechanism of horizontal type double-side Drilling and Boring Modular Machine |
| CN205166440U (en) * | 2015-11-05 | 2016-04-20 | 重庆气体压缩机厂有限责任公司 | Compressor connecting rod anchor clamps for boring |
| CN206230269U (en) * | 2016-11-11 | 2017-06-09 | 台州宏鑫曲轴有限公司 | A kind of centrifugal clamp |
| CN108213998A (en) * | 2016-12-12 | 2018-06-29 | 贵州风雷航空军械有限责任公司 | A kind of support arm part multistage lathe fixture |
| CN207606561U (en) * | 2017-12-21 | 2018-07-13 | 苏州莱易精密机电有限公司 | A kind of float positioning compression tooling |
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|---|---|---|---|---|
| CN208880192U (en) * | 2018-07-19 | 2019-05-21 | 苏州市山花精密机械有限公司 | A kind of mechanical connection arm positioning tool |
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