CN113618430A - LOFT type side end screw thread fastening device - Google Patents
LOFT type side end screw thread fastening device Download PDFInfo
- Publication number
- CN113618430A CN113618430A CN202110954424.1A CN202110954424A CN113618430A CN 113618430 A CN113618430 A CN 113618430A CN 202110954424 A CN202110954424 A CN 202110954424A CN 113618430 A CN113618430 A CN 113618430A
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- limit
- height
- loft
- block
- bottom plate
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- 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
Abstract
The invention discloses a LOFT type side end thread fastening device which comprises a bottom plate, wherein a height limiting connection supporting block assembly is arranged on the upper surface of the bottom plate and consists of two height limiting connection supporting blocks which are parallel to each other, a side limiting stop block and a side limiting supporting plate are respectively arranged at two ends of each of the two height limiting connection supporting blocks, a thread through hole is formed in the side limiting supporting plate, a rotary thread type pressing rod which moves back and forth is arranged on the thread through hole, an extrusion block is arranged on the height limiting connection supporting block assembly, and the extrusion block is arranged between the side limiting stop block and the side limiting supporting plate and is parallel to the side limiting stop block and the side limiting supporting plate. The invention has the characteristics of simple structure, strong practicability, convenient operation and the like, meets the requirement of quick processing for development, and has the characteristics of low cost and short development period.
Description
Technical Field
The invention relates to the field of vehicle manufacturing, in particular to a LOFT type side end threaded fastening device.
Background
The existing limiting fastening mode adopts a hydraulic fastening mode with a self-fixed telephone for guaranteeing the precision requirement of batch production, the fastening structure is complicated, the structure is made of special steel with high strength, corrosion resistance and abrasion resistance for meeting the requirement of batch production, the overall structure cost is higher, the development period is long, and the maintenance is complicated and inconvenient. The numerical control machining device has certain numerical control machining requirements on the operation capability of operators, needs special numerical control machining equipment and environment, and is not suitable for comprehensive popularization.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a LOFT-type side end threaded fastening device. The device has the characteristics of simple operation, convenience, reliability, low development cost and the like. In the early stage of project development, the method has a lower development period and meets the quality delivery requirement of product clamping processing.
To achieve the above object, the present invention is designed
The utility model provides a LOFT system side screw thread fastener, it includes the bottom plate, the bottom plate upper surface is provided with limit for height joint support piece subassembly, limit for height joint support piece subassembly comprises two limit for height joint support pieces that are parallel to each other, and two limit for height joint support piece both ends are provided with side spacing dog and the spacing backup pad of side respectively, the screw through hole has been seted up to the spacing backup pad of side, be provided with round trip movement's rotatory screw thread formula depression bar on the screw through hole, be provided with the extrusion piece on the limit for height joint support piece subassembly, and the extrusion piece sets up between side spacing dog and the spacing backup pad of side and is parallel with side spacing dog and the spacing backup pad of side.
Furthermore, the side limit stop block and the side limit supporting plate are equal in height, and the side limit stop block and the side limit supporting plate are higher than the height limit connecting supporting block.
And furthermore, one end of the bottom plate is provided with a top limit stop which is arranged at one end of the extrusion block.
Still further, the rotatory screw thread formula depression bar includes the threaded rod, the threaded rod tip is provided with the handle.
Furthermore, a screw hole is formed in the surface of one side of the extrusion block.
Furthermore, the bottom plate is symmetrically provided with fixing holes.
The components of the invention function as follows:
1. a bottom plate: the upper end surface of the bottom plate is used for fixing other subset parts, the lower end of the bottom plate is connected with a machine tool, the bottom plate needs better rigidity and strength, and the reduction of processing precision and unstable quality caused by stress deformation in the using process are avoided;
2. the rotary threaded pressing rod is rotatable and is connected with the side limit supporting plate in a threaded mode in a matching mode, and after the rotary threaded pressing rod is rotated, the rotary threaded pressing rod can be driven into or rotated away according to the thread lines of the threads. Generating an axial pressure to the extrusion block;
3. the side limit support plate is used for limiting and providing a threaded hole for the rotary threaded pressure rod, has better rigidity and strength, and can ensure rigidity and deformation under the reverse action of a compression force;
4. the extrusion piece, this structure is direct atress and application of force object, and the extrusion piece has more round pin axle and hole mode with rotatory screw thread formula depression bar to be connected, has lower hole (non-through-hole) in the middle of, and the aperture is greater than rotatory screw thread formula depression bar excircle diameter, therefore the hole can possess certain limiting displacement, prevents to extrude the piece at extrusion in-process and slide because of the atress.
5. The height-limiting connection supporting block provides support and limiting effect for the machined workpiece. The two side ends are respectively welded on the side limit stop block 3 and the side limit supporting plate 4, and the lower end is fixedly connected with the bottom plate. The action principle and the installation mode of the height-limiting connecting supporting block are consistent;
6. the side limiting stop block provides lateral section limiting and lateral reverse stress supporting for a machined workpiece, has good rigidity and strength, the lower end of the side limiting stop block is connected with the bottom plate in a welding mode, and the inner side end of the side limiting stop block is connected with the height limiting connecting supporting block in a matched welding mode. The top limit stop block of the height-limiting connection supporting block provides an end face limiting effect for a machined workpiece, and the lower end of the height-limiting connection supporting block is connected with the bottom plate in a welding mode.
The invention has the beneficial effects that:
the invention has the characteristics of simple structure, strong practicability, convenient operation and the like, meets the requirement of quick processing for development, and has the characteristics of low cost and short development period.
Brief description of the drawings
FIG. 1 is a perspective view of a LOFT-type side end screw fastening device;
FIG. 2 is a detail view of a LOFT-type side-end screw-threaded fastener;
FIG. 3 is a top view of a LOFT-system side-end threaded fastener;
FIG. 4 is a working assembly drawing of a LOFT-system side-end screw-threaded fastener;
FIG. 5 is a schematic view of an A target workpiece;
in the figure, a bottom plate 1, a fixing hole 1.1, a height-limiting connecting support block 2, a side limiting stop 3, a side limiting support plate 4, a threaded through hole 4.1, a rotary threaded pressure rod 5, a threaded rod 5.1, a handle 5.2, an extrusion block 6, a threaded hole 6.1, a top limiting stop 7 and an A target workpiece 8.
Detailed Description
The present invention is described in further detail below with reference to specific examples so as to be understood by those skilled in the art.
The LOFT system side end thread fastening device comprises a bottom plate 1, wherein a height limiting connection support block assembly is arranged on the upper surface of the bottom plate 1 and consists of two height limiting connection support blocks 2 which are parallel to each other, a side limiting stop block 3 and a side limiting support plate 4 are respectively arranged at two ends of each of the two height limiting connection support blocks 2, a thread through hole 4.1 is formed in each side limiting support plate 4, a rotary thread type pressure rod 5 which moves back and forth is arranged on each thread through hole 4.1, an extrusion block 6 is arranged on each height limiting connection support block assembly, and each extrusion block 6 is arranged between each side limiting stop block 3 and each side limiting support plate 4 and is parallel to each side limiting stop block 3 and each side limiting support plate 4.
The side limit stop 3 and the side limit supporting plate 4 are equal in height, and the side limit stop 3 and the side limit supporting plate 4 are higher than the height limit connecting supporting block 2.
A top limit stop 7 is arranged at one end of the bottom plate 1, and the top limit stop 7 is arranged at one end of the extrusion block 6.
The rotary threaded pressure lever 5 comprises a threaded rod 5.1, and a handle 5.2 is arranged at the end part of the threaded rod 5.1.
Firstly, connecting the A target workpieces well with each other, and fixedly connecting the device on a specific machine tool in a bolt mode, wherein the operation mode of the LOFT type side end thread fastening device is as follows:
1. rotating the rotary threaded compression bar 5 to loosen the extrusion block 6 and reserving the distance of the lateral width of the target part A;
2. and (3) installing the target workpiece (8) A at a vacant position between the extrusion block (6) and the side limit stop block (3) according to a certain sequence, and contacting the lower end of the target workpiece with the two height limit connection supporting blocks (2).
3. The target workpiece a is moved forward and the position is adjusted so that the outside of the tow hook of the target workpiece a 8 is in good contact with the top limit stopper 7.
4. The rotary threaded compression bar 5 is rotated to drive the extrusion block 6, the extrusion block 6 is pushed towards the compressing direction, and under the premise of a certain rotating force, the target workpiece A8 is compressed and attached to the inner side of the side limiting stop block 3 through the extrusion block 6.
5. And operating the machine tool to mill and drill the A target part 8.
6. After the operation is finished, the rotating threaded compression rod 5 is rotated, the extrusion block 6 is loosened, and after a certain distance is loosened, the target part 8A is removed.
This cycle ends.
Other parts not described in detail are prior art. Although the present invention has been described in detail with reference to the above embodiments, it is only a part of the embodiments of the present invention, not all of the embodiments, and other embodiments can be obtained without inventive step according to the embodiments, and the embodiments are within the scope of the present invention.
Claims (6)
1. A LOFT system side end screw thread fastener which characterized in that: it includes bottom plate (1), bottom plate (1) upper surface is provided with limit for height joint support piece subassembly, limit for height joint support piece subassembly is connected supporting shoe (2) by two limit for height that are parallel to each other and is constituteed, and two limit for height joint support piece (2) both ends are provided with side limit stop (3) and side limit backup pad (4) respectively, threaded through hole (4.1) have been seted up in side limit backup pad (4), be provided with round trip movement's rotatory screw thread formula depression bar (5) on threaded through hole (4.1), be provided with on the limit for height joint support piece subassembly and extrude piece (6), and extrude piece (6) set up between side limit stop (3) and side limit backup pad (4) and parallel with side limit stop (3) and side limit backup pad (4).
2. The LOFT-system side-end threaded fastener of claim 1, wherein: the side limit stop block (3) and the side limit supporting plate (4) are equal in height, and the side limit stop block (3) and the side limit supporting plate (4) are higher than the height limit connecting supporting block (2).
3. The LOFT-system side-end threaded fastener of claim 1, wherein: a top limit stop (7) is arranged at one end of the bottom plate (1), and the top limit stop (7) is arranged at one end of the extrusion block (6).
4. The LOFT-system side-end threaded fastener of claim 1, wherein: rotatory screw thread formula depression bar (5) are including threaded rod (5.1), threaded rod (5.1) tip is provided with handle (5.2).
5. The LOFT-system side-end threaded fastener of claim 1, wherein: and a screw hole (6.1) is formed in the surface of one side of the extrusion block (6).
6. The LOFT-system side-end threaded fastener of claim 1, wherein: the bottom plate (1) is symmetrically provided with fixing holes (1.1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110954424.1A CN113618430A (en) | 2021-08-19 | 2021-08-19 | LOFT type side end screw thread fastening device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110954424.1A CN113618430A (en) | 2021-08-19 | 2021-08-19 | LOFT type side end screw thread fastening device |
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CN113618430A true CN113618430A (en) | 2021-11-09 |
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CN202110954424.1A Pending CN113618430A (en) | 2021-08-19 | 2021-08-19 | LOFT type side end screw thread fastening device |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103100902A (en) * | 2012-11-15 | 2013-05-15 | 无锡市航鹄科技有限公司 | Multifunctional milling combination positioning tool |
CN105729162A (en) * | 2014-12-07 | 2016-07-06 | 西安志越机电科技有限公司 | Thread self-locking type tool fixture for rectangular workpiece |
CN106624896A (en) * | 2016-12-27 | 2017-05-10 | 安徽星光标识系统有限公司 | Signboard machining and drilling fixture |
CN108942318A (en) * | 2018-09-13 | 2018-12-07 | 贵阳华恒机械制造有限公司 | A kind of bias parallel axes special-shaped part fixture |
CN210703428U (en) * | 2019-08-01 | 2020-06-09 | 深圳市斯贝尔精密机械科技有限公司 | Novel oil pan screw thread bush assembly machine |
CN213730475U (en) * | 2020-10-29 | 2021-07-20 | 金华市技师学院 | Light milling fixture for part machining |
-
2021
- 2021-08-19 CN CN202110954424.1A patent/CN113618430A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103100902A (en) * | 2012-11-15 | 2013-05-15 | 无锡市航鹄科技有限公司 | Multifunctional milling combination positioning tool |
CN105729162A (en) * | 2014-12-07 | 2016-07-06 | 西安志越机电科技有限公司 | Thread self-locking type tool fixture for rectangular workpiece |
CN106624896A (en) * | 2016-12-27 | 2017-05-10 | 安徽星光标识系统有限公司 | Signboard machining and drilling fixture |
CN108942318A (en) * | 2018-09-13 | 2018-12-07 | 贵阳华恒机械制造有限公司 | A kind of bias parallel axes special-shaped part fixture |
CN210703428U (en) * | 2019-08-01 | 2020-06-09 | 深圳市斯贝尔精密机械科技有限公司 | Novel oil pan screw thread bush assembly machine |
CN213730475U (en) * | 2020-10-29 | 2021-07-20 | 金华市技师学院 | Light milling fixture for part machining |
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Application publication date: 20211109 |