CN111230818A - Clamping device for manual assembly table of digital production line - Google Patents
Clamping device for manual assembly table of digital production line Download PDFInfo
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- CN111230818A CN111230818A CN201911285493.7A CN201911285493A CN111230818A CN 111230818 A CN111230818 A CN 111230818A CN 201911285493 A CN201911285493 A CN 201911285493A CN 111230818 A CN111230818 A CN 111230818A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/08—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for attachment of work holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides a clamping device for a manual assembly table of a digital production line, which can avoid an online clamping and aligning link, improve the utilization rate of equipment, shorten the manufacturing period of a product, reduce the production cost and improve the rapid development capability of the product on the premise of construction and application of the digital flexible production line. According to the manual assembly table clamping device for the digital production line, the conventional online clamping and aligning process is transferred to the offline assembly table, the high-precision requirement of the offline assembly table clamping and aligning is met by adopting the high-stability cast iron base platform, the high-precision rotary platform, the zero point quick-changing mechanism, the precision adjusting mechanism, the detection mechanism and the like, and meanwhile, the high-precision quick-changing requirements of the offline assembly and the online clamping are met. The device thoroughly solves the problems of machine time occupation, low efficiency, long period and the like caused by online clamping and alignment, can perform high-precision off-line clamping and alignment of rotary parts, and lays a technical foundation for high-precision quick replacement of a digital production line.
Description
Technical Field
The invention belongs to the technical field of digital production lines, and particularly relates to a clamping device for a manual assembly table of a digital production line.
Background
Before each machining sequence of products is processed, a series of clamping alignment needs to be carried out on a machine tool, including the clamping alignment of a tool and the clamping alignment of the products, wherein the clamping process is a process of positioning and clamping the tool and the products, and the alignment process is a process of determining a reference. In an online clamping and aligning link, the clamping and aligning process of the tool and the product is complicated, and particularly under the condition of high aligning precision requirement, a large amount of time is usually spent for clamping and aligning, so that a large amount of machine tool downtime is caused, the utilization rate of a machine tool is greatly reduced, the production cycle of the product is prolonged, the production efficiency is reduced, the production cost is increased, and the rapid development and production of the product cannot be realized.
Disclosure of Invention
In view of the above, the invention provides a clamping device for a manual assembly table of a digital production line, which can avoid an online clamping and aligning link, improve the utilization rate of equipment, shorten the manufacturing period of a product, reduce the production cost and improve the rapid development capability of the product on the premise of construction and application of the digital flexible production line.
In order to achieve the purpose, the clamping device for the manual assembly table of the digital production line comprises a basic platform, a rotary platform, a zero point quick-changing mechanism and a precision adjusting mechanism;
the rotary platform is arranged on the base platform, and the zero point quick-changing mechanism and the precision adjusting mechanism are arranged on the rotary platform; a product to be aligned is arranged on the zero quick-change mechanism;
the foundation platform is fastened by using the ground feet and used for ensuring the stability of the whole assembly table;
the rotary platform adopts a ball bearing to realize rotation around an axis and simulate the function of a rotary worktable of a machine tool; a transition plate is arranged on the rotary platform and is connected with the zero quick-change mechanism through the transition plate;
the zero quick-change mechanism comprises a quick-assembly interface and a zero positioning system, and the machine tool is provided with the zero positioning system which is the same as the zero positioning system in the zero quick-change mechanism;
the precision adjusting mechanism is used for adjusting the jumping quantity of the butt joint surface of the transition plate and the rotary platform, and further adjusting the jumping quantity of the positioning end face of the zero point quick-change mechanism, so that the alignment of a product to be aligned is realized.
The detection mechanism is used for detecting circumferential runout and end face runout of the rotary parts.
The detection mechanism comprises a dial indicator, a linear guide rail and a sliding block in sliding fit with the linear guide rail, the linear guide rail is arranged on the base platform, and the dial indicator is arranged on the sliding block.
The precision adjusting mechanism comprises four wedge-shaped adjusting blocks which are arranged on a butt joint face of the rotary platform and the transition plate and are uniformly distributed along the circumferential direction of the rotary platform at intervals and a screw nut pair corresponding to each wedge-shaped adjusting block, each screw nut pair comprises a bolt and a screw rod which are in threaded connection, the rotary motion of the bolt is converted into the linear motion of the screw rod through the screw nut pair, the wedge-shaped adjusting blocks are connected with the screw rods in the screw nut pairs corresponding to the wedge-shaped adjusting blocks, the axial direction of the screw rods is consistent with the radial direction of the rotary platform at the position of the screw rods, and the screw rods drive the wedge-shaped adjusting blocks to move along the axial direction of the screw rods by screwing the thin-tooth bolts at four positions, so that the jumping quantity of the butt joint face of the transition plate.
Has the advantages that:
according to the manual assembly table clamping device for the digital production line, the conventional online clamping and aligning process is transferred to the offline assembly table, the high-precision requirement of the offline assembly table clamping and aligning is met by adopting the high-stability cast iron base platform, the high-precision rotary platform, the zero point quick-changing mechanism, the precision adjusting mechanism, the detection mechanism and the like, and meanwhile, the high-precision quick-changing requirements of the offline assembly and the online clamping are met. The device thoroughly solves the problems of machine time occupation, low efficiency, long period and the like caused by online clamping and alignment, can perform high-precision off-line clamping and alignment of rotary parts, and lays a technical foundation for high-precision quick replacement of a digital production line.
Drawings
FIG. 1 is a schematic view of a clamping device of a manual assembly table of a digital production line of the invention;
fig. 2 is a schematic view of the precision adjustment mechanism of the present invention.
The device comprises a base platform 1, a rotary platform 2, a zero point quick-change mechanism 3, a precision adjusting mechanism 4, a detection mechanism 5, a bearing installation transition plate 1-1, a wedge-shaped adjusting block 4-1, a dial indicator 5-2 and a linear guide rail 5-1.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides a clamping device of a manual assembly table of a digital production line, aiming at the low efficiency problem caused by conventional online clamping and alignment, which comprises a base platform 1, a rotary platform 2, a zero point quick-change mechanism 3, a precision adjusting mechanism 4 and a detection mechanism 5, wherein as shown in figure 1, the rotary platform 2 and the detection mechanism 5 are arranged on the base platform 1, and the zero point quick-change mechanism 3 and the precision adjusting mechanism 4 are arranged on the rotary platform 2. The product to be aligned is arranged on the zero-point quick-change mechanism 3.
The foundation platform 1 is made of cast iron and is fastened by using ground feet, so that the stability of the whole assembly platform is ensured;
the rotary platform 2 adopts a high-precision ball bearing to realize high-precision rotation around the axis thereof and simulate the function of a rotary worktable of a machine tool; a transition plate 1-1 is mounted on a rotary platform 2, and the rotary platform 2 is connected with a zero point quick-change mechanism 3 through the transition plate 1-1 to drive the zero point quick-change mechanism to rotate with high precision, as shown in fig. 2.
The zero point quick-change mechanism 3 comprises a quick-assembly interface (the zero point quick-change mechanism 3 is connected with the transition plate 1-1 through the quick-assembly interface) and a commercial mature zero point positioning system, the machine tool is provided with the zero point positioning system which is the same as that in the zero point quick-change mechanism 3, and the product aligned on the assembly platform can be quickly and accurately replaced between the assembly platform and the machine tool through the matching of the zero point quick-change mechanism 3 and the zero point positioning system on the machine tool, so that the repeated clamping and alignment problems are avoided, as shown in fig. 1; the zero quick-change mechanism 3 is the key for realizing high repetition precision of outside-line assembly and on-line clamping, and satisfactorily realizes high-precision quick change by integrating the existing mature quick-change interface and the zero positioning system.
The precision adjusting mechanism 4 is used for adjusting the jumping amount of the butt joint surface of the transition plate 1-1 and the rotary platform 2, and further adjusting the jumping amount of the positioning end surface of the zero point quick-change mechanism 3, so that the high-precision alignment of a product to be aligned is realized. The precision adjusting mechanism 4 is the key for realizing the assembly precision outside the line, and the transition plate is finely adjusted by the precision adjusting mechanism 4, so that the high precision of the positioning end face of the zero point quick-change mechanism 3 is ensured. As shown in fig. 2, the precision adjustment mechanism 4 includes: four wedge-shaped adjusting blocks 4-1 which are arranged on the butt joint surface of the rotary platform 2 and the transition plate 1-1 and are uniformly distributed at intervals along the circumferential direction of the rotary platform 2, and a screw nut pair corresponding to each wedge-shaped adjusting block 4-1, wherein each screw nut pair comprises a bolt and a screw rod which are in threaded connection, the rotary motion of the bolt is converted into the linear motion of the screw rod through the screw rod nut pair, the wedge-shaped adjusting block 4-1 is connected with the screw rod in the screw rod nut pair corresponding to the wedge-shaped adjusting block, the axial direction of the screw rod is consistent with the radial direction of the rotary platform 2 at the position of the screw rod, by screwing the fine-thread bolts at four positions, the screw drives the wedge-shaped adjusting block 4-1 to move along the axial direction of the screw, so that the jumping amount of the butt joint surface of the transition plate 1-1 and the rotary platform 2 is adjusted, and further the jumping amount of the positioning end surface of the zero-point quick-change mechanism 3 is adjusted with high precision.
As shown in FIG. 1, the detection mechanism 5 comprises a dial indicator 5-2 and a high-precision linear guide rail 5-1, wherein the dial indicator 5-2 is adsorbed on a sliding block of the high-precision linear guide rail 5-1, and the function of aligning the angular reference is realized through the movement of the sliding block on the linear guide rail.
When the product to be aligned is a rotary part, the detection mechanism 5 detects whether the end face runout of the rotary part meets the clamping requirement or not, and also detects whether the circumference runout meets the clamping requirement or not. Aiming at a part with an angular requirement, the angular relative position of the angular reference of the part and the zero point quick-change mechanism needs to be determined, the slide block moves along the linear guide rail, and the tool or the angular reference plane of the part is straightened, so that the correct position of the angular direction of the part relative to the zero point quick-change mechanism is ensured.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A manual assembly table clamping device for a digital production line is characterized by comprising a basic platform (1), a rotary platform (2), a zero point quick-change mechanism (3) and a precision adjusting mechanism (4);
the rotary platform (2) is arranged on the basic platform (1), and the zero point quick-change mechanism (3) and the precision adjusting mechanism (4) are arranged on the rotary platform (2); a product to be aligned is arranged on the zero quick-change mechanism (3);
wherein the base platform (1) is fastened by ground feet and used for ensuring the stability of the whole assembly table;
the rotary platform (2) adopts a ball bearing to realize the rotation around the axis and simulate the function of a rotary worktable of a machine tool; a transition plate (1-1) is arranged on the rotary platform (2) and is connected with a zero point quick-change mechanism (3) through the transition plate (1-1);
the zero quick-change mechanism (3) comprises a quick-assembly interface and a zero positioning system, and the machine tool is provided with the zero positioning system which is the same as the zero positioning system in the zero quick-change mechanism (3);
the precision adjusting mechanism (4) is used for adjusting the jumping amount of the butt joint surface of the transition plate (1-1) and the rotary platform (2), and further adjusting the jumping amount of the positioning end surface of the zero point quick-change mechanism (3), so that the alignment of a product to be aligned is realized.
2. The clamping device for the manual assembly table of the digital production line as claimed in claim 1, further comprising a detection mechanism (5), wherein the detection mechanism (5) is used for detecting circumferential runout and end runout of the rotary part.
3. The clamping device for the manual assembly table of the digital production line as claimed in claim 2, wherein the detection mechanism (5) comprises a dial indicator (5-2), a linear guide rail (5-1) and a sliding block in sliding fit with the linear guide rail (5-1), the linear guide rail (5-1) is installed on the base platform (1), and the dial indicator (5-2) is installed on the sliding block.
4. The clamping device of the manual assembly table of the digital production line as claimed in claim 1 or 2, wherein the precision adjusting mechanism (4) comprises four wedge-shaped adjusting blocks (4-1) which are arranged on the butt joint surface of the rotary platform (2) and the transition plate (1-1) and are uniformly distributed along the circumferential direction of the rotary platform (2) at intervals, and a screw-nut pair corresponding to each wedge-shaped adjusting block (4-1), each screw-nut pair comprises a bolt and a screw rod which are in threaded connection, the rotary motion of the bolt is converted into the linear motion of the screw rod through the screw-nut pair, the wedge-shaped adjusting blocks (4-1) are connected with the screw rods in the screw-nut pair corresponding to the screw rods, the axial direction of the screw rods is consistent with the radial direction of the rotary platform (2) at the positions, and the screw rods drive the wedge-shaped adjusting blocks (4-1) to move along the axial direction of the screw rods by screwing the four, the adjustment of the jumping amount of the butt joint surface of the transition plate (1-1) and the rotary platform (2) is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911285493.7A CN111230818A (en) | 2019-12-13 | 2019-12-13 | Clamping device for manual assembly table of digital production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911285493.7A CN111230818A (en) | 2019-12-13 | 2019-12-13 | Clamping device for manual assembly table of digital production line |
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| Publication Number | Publication Date |
|---|---|
| CN111230818A true CN111230818A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911285493.7A Pending CN111230818A (en) | 2019-12-13 | 2019-12-13 | Clamping device for manual assembly table of digital production line |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730413A (en) * | 2020-06-29 | 2020-10-02 | 西安精雕精密机械工程有限公司 | Auxiliary device and method for measuring coaxiality of external charging of machine tool |
| CN112658719A (en) * | 2020-12-11 | 2021-04-16 | 北京星航机电装备有限公司 | Quick positioning and clamping tool for hanging frame parts |
| CN112705745A (en) * | 2020-12-03 | 2021-04-27 | 河南航天液压气动技术有限公司 | Horizontal machining center B-axis calibration and alignment system and working method thereof |
| CN112828830A (en) * | 2020-12-25 | 2021-05-25 | 北京动力机械研究所 | Frock daughter board lifting device of flexible production line manual assembly platform of digitization |
| CN114226518A (en) * | 2021-12-10 | 2022-03-25 | 天津航天长征火箭制造有限公司 | Stretch bending tire structure capable of realizing rapid replacement of tire blocks |
-
2019
- 2019-12-13 CN CN201911285493.7A patent/CN111230818A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 上海市松江区委宣传部以及上海市松江区科学技术委员会: "《创新之光 引领松江高质量发展—G60科创走廊自主创新成果纪实》", 30 June 2019 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730413A (en) * | 2020-06-29 | 2020-10-02 | 西安精雕精密机械工程有限公司 | Auxiliary device and method for measuring coaxiality of external charging of machine tool |
| CN112705745A (en) * | 2020-12-03 | 2021-04-27 | 河南航天液压气动技术有限公司 | Horizontal machining center B-axis calibration and alignment system and working method thereof |
| CN112705745B (en) * | 2020-12-03 | 2022-02-15 | 河南航天液压气动技术有限公司 | Horizontal machining center B-axis calibration and alignment system and working method thereof |
| CN112658719A (en) * | 2020-12-11 | 2021-04-16 | 北京星航机电装备有限公司 | Quick positioning and clamping tool for hanging frame parts |
| CN112828830A (en) * | 2020-12-25 | 2021-05-25 | 北京动力机械研究所 | Frock daughter board lifting device of flexible production line manual assembly platform of digitization |
| CN114226518A (en) * | 2021-12-10 | 2022-03-25 | 天津航天长征火箭制造有限公司 | Stretch bending tire structure capable of realizing rapid replacement of tire blocks |
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