CN110919430B - Boring clamp for hydraulically-driven adjustable piston - Google Patents
Boring clamp for hydraulically-driven adjustable piston Download PDFInfo
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- CN110919430B CN110919430B CN201911271528.1A CN201911271528A CN110919430B CN 110919430 B CN110919430 B CN 110919430B CN 201911271528 A CN201911271528 A CN 201911271528A CN 110919430 B CN110919430 B CN 110919430B
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- plate
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- driven adjustable
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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
- 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
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
Abstract
The invention discloses a hydraulically-driven adjustable boring fixture for a piston, which relates to the field of machine tool fixtures and comprises a base plate, a fixture body, a spigot tire, a V-shaped block and a pressing mechanism, wherein a workpiece is clamped by a hydraulic fixture, so that the workpiece can be quickly positioned and clamped without alignment, and the auxiliary working hours (the time for loading and unloading the workpiece) are remarkably reduced; the rigidity of the workpiece is improved, so that the cutting amount can be increased, a plurality of multi-station fixtures can be used for clamping the workpiece, and a high-efficiency clamping mechanism is adopted, which are favorable for improving the labor productivity and the safety; wide technological range and low cost.
Description
Technical Field
The invention belongs to the field of machine tool clamps, and particularly relates to a boring clamp for a hydraulically-driven adjustable piston.
Background
The method is characterized in that a rough boring piston pin hole is used as one of important processes in the piston machining process, a positioning reference is provided for the finish boring pin hole, and the machining quality of the finish boring pin hole is influenced, so that high technical requirements are provided for clamping and positioning of the rough boring pin hole, the accuracy of the piston pin hole plays a decisive role in the use performance of a piston, and whether an engine works is determined, so that the machining accuracy of the piston pin hole is imperative to improve.
Disclosure of Invention
The present invention is directed to a boring jig for a hydraulically driven adjustable piston, which solves the above-mentioned problems of the prior art.
The utility model provides a bore hole anchor clamps for piston with adjustable hydraulic drive, includes backing plate, the anchor clamps body, tang child, V type piece and hold-down mechanism, anchor clamps body sliding connection just presss from both sides specific upper portion on the slide rail on the bottom plate and is equipped with the mounting groove that two symmetries set up, has the slider through screw connection in the mounting groove, the top at the slider is installed to the tang child, the upper portion of slider still is equipped with the mounting hole that two symmetries set up, and sliding connection has the movable rod in the mounting hole, and the bottom butt of movable rod has the spring, and the upper end of movable rod pass the tang child on the perforating hole and with the bottom surface butt of V type piece, V type piece cover screw mounting is in the top of tang child, hold-down mechanism is located the top of V type piece and cooperates the tight location of clamp in.
Preferably, hold-down mechanism includes cylinder body, hydraulic stem, piston, ring flange, branch, stop pin, clamp plate one and clamp plate two, the upper portion and the piston connection and sliding connection of hydraulic stem are in the cylinder body, and the lower extreme and the clamp plate one of hydraulic stem are connected, and the lower extreme and the ring flange installation of cylinder body are fixed, and the lower extreme of ring flange is connected in there is 2 at least branch, the other end of branch is connected on the anchor clamps body, still is equipped with a guiding hole one that is used for the stop pin direction on the ring flange, and the lower extreme and the clamp plate one of stop pin are connected, still be equipped with on the clamp plate one with branch complex guiding hole two, the clamp plate two is installed in the both ends of.
Preferably, the second pressure plate is hinged with the first pressure plate.
Preferably, the bottom of the second pressure plate is provided with a rectangular groove.
Preferably, one side of the fixture body is further provided with a positioning mechanism, the positioning mechanism comprises a fine adjustment base, a fine adjustment bolt and a threaded sleeve, the fine adjustment base is fixedly installed on the base plate, the fine adjustment bolt is rotatably connected to the fine adjustment base and is in threaded connection with the threaded sleeve, and the threaded sleeve is installed on the side face of the fixture body.
Preferably, the inner wall of the through hole is provided with two symmetrically arranged sliding grooves, the upper part of the movable rod transversely penetrates through a positioning pin, and two ends of the positioning pin are connected in the sliding grooves in a sliding manner.
Preferably, the lower end of the cylinder body is also provided with an oil seal and matched with the hydraulic cylinder.
The invention has the advantages that: the hydraulic clamp is adopted to clamp the workpiece, so that the workpiece can be quickly positioned and clamped without alignment, and the auxiliary working hours (the time for loading and unloading the workpiece) are obviously reduced; the rigidity of the workpiece is improved, so that the cutting amount can be increased, a plurality of multi-station fixtures can be used for clamping the workpiece, and a high-efficiency clamping mechanism is adopted, which are favorable for improving the labor productivity and the safety; wide technological range and low cost. The design of movable rod, with the help of the elastic force effect of spring, can be all the time with V type piece butt to give an effort of mounting bolt of V type piece, make the fastness of its connection stronger. The positioning mechanism realizes the quick assembly and disassembly of the clamp body and is used for positioning the clamp body on the slide rail.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along a-a in fig. 1.
Fig. 3 is a sectional view taken along the direction B-B in fig. 2.
The device comprises a base plate 1, a clamp body 2, a spigot tire 3, a 4-V-shaped block, a pressing mechanism 5, a cylinder body 51, a hydraulic rod 52, a piston 53, a flange 54, a support rod 55, an anti-rotation pin 56, a first pressing plate 57, a second pressing plate 58, a first guide hole 59, a second guide hole 510, a slide rail 6, a mounting groove 7, a slide block 8, a mounting hole 9, a movable rod 10, a spring 11, a rectangular groove 12, a positioning mechanism 13, a fine adjustment base 131, a fine adjustment bolt 132, a threaded sleeve 133, a sliding groove 14, a positioning pin 15 and an oil seal 16.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, a boring jig for a hydraulically-driven adjustable piston comprises a backing plate 1, a jig body 2, a spigot tire 3, a V-shaped block 4 and a pressing mechanism 5, the fixture body 2 is connected with a slide rail 6 on the bottom plate in a sliding way, two symmetrically arranged mounting grooves 7 are arranged at the upper part of the fixture body 2, a slide block 8 is connected in each mounting groove 7 through a screw, the spigot tire 3 is arranged at the top of the sliding block 8, two symmetrically arranged mounting holes 9 are further arranged at the upper part of the sliding block 8, a movable rod 10 is connected in the mounting holes 9 in a sliding manner, the bottom of the movable rod 10 is abutted with a spring 11, the upper end of the movable rod 10 penetrates through a through hole in the spigot tire 3 and is abutted with the bottom surface of the V-shaped block 4, the V-shaped block 4 is mounted at the top of the spigot tire 3 through a barrel cover screw, and the pressing mechanism 5 is located above the V-shaped block 4 and matched with the V-shaped block 4 to clamp and position a workpiece.
In this embodiment, the pressing mechanism 5 includes a cylinder 51, a hydraulic rod 52, a piston 53, a flange 54, a support rod 55, an anti-rotation pin 56, a first pressing plate 57 and a second pressing plate 58, the upper portion of the hydraulic rod 52 is connected with the piston 53 and slidably connected in the cylinder 51, the lower end of the hydraulic rod 52 is connected with the first pressing plate 57, the lower end of the cylinder 51 is fixedly mounted on the flange 54, the lower end of the flange 54 is connected with at least 2 support rods 55, the other end of the support rod 55 is connected to the clamp body 2, the flange 54 is further provided with a first guiding hole 59 for guiding the anti-rotation pin 56, the lower end of the anti-rotation pin 56 is connected with the first pressing plate 57, the first pressing plate 57 is further provided with a second guiding hole 510 matched with the support rod 55, and the second pressing plates 58 are mounted.
In this embodiment, the second pressing plate 58 is hinged to the first pressing plate 57, and the movable connection is adopted, so that the second pressing plate 58 can be quickly aligned, and the pressing flexibility of the second pressing plate 58 is improved.
In this embodiment, the bottom of the second pressing plate 58 is provided with a rectangular groove 12 for matching with the workpiece, so as to achieve a good clamping effect.
In this embodiment, a positioning mechanism 13 is further disposed on one side of the fixture body 2, the positioning mechanism 13 includes a fine tuning base 131, a fine tuning bolt 132 and a threaded sleeve 133, the fine tuning base 131 is mounted and fixed on the base plate 1, the fine tuning bolt 132 is rotatably connected to the fine tuning base 131 and is in threaded connection with the threaded sleeve 133, and the threaded sleeve 133 is mounted on a side surface of the fixture body 2.
In this embodiment, two symmetrically disposed sliding grooves 14 are formed in an inner wall of the through hole, a positioning pin 15 transversely penetrates through an upper portion of the movable rod 10, and two ends of the positioning pin 15 are slidably connected in the sliding grooves 14. The purpose of the secondary structure is to limit the axial rotation of the movable rod 10 to better achieve the abutment effect on the V-block 4.
In this embodiment, the lower end of the cylinder body 51 is also fitted with an oil seal 16 and cooperates with the hydraulic cylinder to effect sealing of the cylinder body 51.
The working process and principle of the invention are as follows: firstly, a workpiece, namely a piston product, is placed on the V-shaped block 4, then the hydraulic rod 52 moves downwards, the second pressing plate 58 is pushed to press downwards to be in contact with the workpiece and finally compress the workpiece. After the workpiece is machined, the cylinder body 51 is unloaded, the hydraulic rod 52 is reset, the second pressure plate 58 is separated from the workpiece, and the workpiece is taken down.
The hydraulic clamp is adopted to clamp the workpiece, so that the workpiece can be quickly positioned and clamped without alignment, and the auxiliary working hours (the time for loading and unloading the workpiece) are obviously reduced; the rigidity of the workpiece is improved, so that the cutting amount can be increased, a plurality of multi-station fixtures can be used for clamping the workpiece, and a high-efficiency clamping mechanism is adopted, which are favorable for improving the labor productivity and the safety; wide technological range and low cost. The design of movable rod 10, with the help of the spring force effect of spring 11, can be all the time with V type piece 4 butt to an effort is given for the construction bolt of V type piece 4, makes the fastness of its connection stronger. The positioning mechanism 13 realizes quick assembly and disassembly of the clamp body 2 and is used for positioning the clamp body 2 on the slide rail 6.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (7)
1. The utility model provides a piston bore hole anchor clamps with adjustable hydraulic drive, its characterized in that includes backing plate (1), the anchor clamps body (2), tang child (3), V type piece (4) and hold-down mechanism (5), the anchor clamps body (2) sliding connection is on slide rail (6) on the bottom plate and the upper portion of anchor clamps body (2) is equipped with two mounting grooves (7) that the symmetry set up, has slider (8) through the screw connection in mounting groove (7), tang child (3) are installed in the top of slider (8), the upper portion of slider (8) still is equipped with two mounting holes (9) that the symmetry set up, and sliding connection has movable rod (10) in mounting hole (9), and the bottom butt of movable rod (10) has spring (11), and the upper end of movable rod (10) passes the perforating hole on tang child (3) and with the bottom surface butt of V type piece (4), V type piece (4) cover screw mounting is in the top of tang child (3), the pressing mechanism (5) is located above the V-shaped block (4) and matched with the V-shaped block (4) to clamp and position the workpiece.
2. A boring jig for a hydraulically driven adjustable piston as set forth in claim 1, wherein: the pressing mechanism (5) comprises a cylinder body (51), a hydraulic rod (52), a piston (53), a flange plate (54), a support rod (55), an anti-rotation pin (56), a first pressing plate (57) and a second pressing plate (58), wherein the upper part of the hydraulic rod (52) is connected with the piston (53) and is connected in the cylinder body (51) in a sliding manner, the lower end of the hydraulic rod (52) is connected with the first pressing plate (57), the lower end of the cylinder body (51) is fixedly installed with the flange plate (54), the lower end of the flange plate (54) is connected with at least 2 support rods (55), the other end of each support rod (55) is connected to the clamp body (2), a first guide hole (59) for guiding the anti-rotation pin (56) is further formed in the flange plate (54), the lower end of the anti-rotation pin (56) is connected with the first pressing plate (57), the first pressing plate (57) is further provided with a second guide, the second pressure plate (58) is arranged at two ends of the first pressure plate (57).
3. A boring jig for a hydraulically driven adjustable piston as set forth in claim 2, wherein: the second pressure plate (58) is hinged with the first pressure plate (57).
4. A boring jig for a hydraulically driven adjustable piston (53) as set forth in claim 3, characterized in that: the bottom of the second pressure plate (58) is provided with a rectangular groove (12).
5. A boring jig for a hydraulically driven adjustable piston as set forth in claim 1, wherein: one side of the clamp body (2) is further provided with a positioning mechanism (13), the positioning mechanism (13) comprises a fine adjustment base (131), a fine adjustment bolt (132) and a threaded sleeve (133), the fine adjustment base (131) is installed and fixed on the base plate (1), the fine adjustment bolt (132) is rotatably connected to the fine adjustment base (131) and is in threaded connection with the threaded sleeve (133), and the threaded sleeve (133) is installed on the side face of the clamp body (2).
6. A boring jig for a hydraulically driven adjustable piston as set forth in claim 2, wherein: the inner wall of the through hole is provided with two symmetrically-arranged sliding grooves (14), the upper part of the movable rod (10) transversely penetrates through a positioning pin (15), and two ends of the positioning pin (15) are connected into the sliding grooves (14) in a sliding mode.
7. A boring jig for a hydraulically driven adjustable piston as set forth in claim 6, wherein: the lower end of the cylinder body (51) is also provided with an oil seal (16) and is matched with a hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911271528.1A CN110919430B (en) | 2019-12-12 | 2019-12-12 | Boring clamp for hydraulically-driven adjustable piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911271528.1A CN110919430B (en) | 2019-12-12 | 2019-12-12 | Boring clamp for hydraulically-driven adjustable piston |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110919430A CN110919430A (en) | 2020-03-27 |
| CN110919430B true CN110919430B (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911271528.1A Active CN110919430B (en) | 2019-12-12 | 2019-12-12 | Boring clamp for hydraulically-driven adjustable piston |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518375A (en) * | 2020-11-20 | 2021-03-19 | 安徽信息工程学院 | Inclined head lug connecting clamp device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1015762A (en) * | 1996-07-06 | 1998-01-20 | Nisshin Kogyo Kk | Polygon machining jig |
| JP2000218454A (en) * | 1999-02-04 | 2000-08-08 | Fuji Oozx Inc | Jig for cylindrical workpiece |
| CN102061376B (en) * | 2010-11-23 | 2012-05-23 | 天润曲轴股份有限公司 | Clamping device of crankshaft vibration stress relief |
| CN103143951B (en) * | 2013-03-11 | 2016-08-03 | 寿光市泰丰制动系统科技有限公司 | Drum brake base plate boring jig |
| JP2014240101A (en) * | 2013-06-11 | 2014-12-25 | 新日本工機株式会社 | Deep hole machining device |
| CN203527069U (en) * | 2013-09-16 | 2014-04-09 | 许昌远东传动轴股份有限公司 | Fixture for drilling end face center hole of sliding york |
| CN103465075B (en) * | 2013-09-16 | 2016-03-30 | 许昌远东传动轴股份有限公司 | Slip yoke drill end centre bore fixture |
| CN204639665U (en) * | 2014-12-09 | 2015-09-16 | 安徽池州家用机床股份有限公司 | A kind of lathe tailstock body boring jig |
| CN208214866U (en) * | 2018-05-09 | 2018-12-11 | 安徽黄山恒久链传动有限公司 | A kind of cranked plate boring jig |
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- 2019-12-12 CN CN201911271528.1A patent/CN110919430B/en active Active
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| CN110919430A (en) | 2020-03-27 |
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