CN104440287A - Single-station connecting rod hole milling and pressing device and hydraulic system thereof - Google Patents
Single-station connecting rod hole milling and pressing device and hydraulic system thereof Download PDFInfo
- Publication number
- CN104440287A CN104440287A CN201310416461.2A CN201310416461A CN104440287A CN 104440287 A CN104440287 A CN 104440287A CN 201310416461 A CN201310416461 A CN 201310416461A CN 104440287 A CN104440287 A CN 104440287A
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- rod
- communicated
- bracket
- connecting rod
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a single-station connecting rod hole milling and pressing device and a hydraulic system thereof. The device comprises a bracket, a hydraulic cylinder and a hydraulic pump, wherein an oil outlet of the hydraulic pump is communicated with a port A of a reversing valve; a port B of the reversing valve is communicated with a rodless cavity of the hydraulic cylinder; a port C of the reversing valve is communicated with a rod cavity of the hydraulic cylinder; a port D of the hydraulic cylinder is communicated with an oil tank; a jacking screw rod is arranged at the upper side of one end of the bracket through a mounting block; the end of the jacking screw rod is hinged to a V-shaped push head; a positioning disc is mounted on the bracket; a guide rod is slidingly arranged on the bracket; a pressure plate is fixed at the upper end of the guide rod; a return spring is arranged between the pressure plate and the bracket; a roller is arranged at the lower end of the guide rod; and an inclined surface slide rod is slidingly mounted on the bracket through a slide sleeve, and is fixedly connected with a piston rod of the hydraulic cylinder. The device has the characteristics of reasonable design, high processing precision, convenience for workpiece loading and unloading, high production efficiency, high automation degree, low labor intensity, low production cost and convenience for promotion and application.
Description
Technical field
The invention belongs to Machining Technology field, relate to a kind of hold down gag, be specifically related to a kind of hold down gag for single station Milling Process tie rod holes and hydraulic system thereof.
Background technology
The manufacturing procedure connecting component of rod category is as depicted in figs. 1 and 2 generally that large stomidium is processed in first boring, after large stomidium is completed by Boring machine processing, with large stomidium and inner surface thereof for benchmark reprocesses little stomidium, thus ensures dimensional accuracy and the perpendicularity requirement of holes.Because such part manufacturing batch is comparatively large, if large stomidium and little stomidium all complete processing by boring machine, then the Boring machine processing time is longer, and Boring machine processing pressure is large.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of single station tie rod holes milling hold down gag and hydraulic system thereof are provided, it is reasonable in design, and structure is simple, and machining accuracy is high, work-handling is convenient, leading time is short, and production efficiency is high, and automaticity is high, labour intensity is low, production cost is low, is convenient to promote the use of.
For achieving the above object, the technical solution used in the present invention is: a kind of single station tie rod holes milling hold down gag and hydraulic system thereof, comprise support, be fixedly mounted on the hydraulic cylinder on the downside of described support, hydraulic pump and be arranged on the overflow valve at described hydraulic pump oil-out place, it is characterized in that: described hydraulic pump oil-out is communicated with the first working port of reversal valve with check valve through pressure-reducing valve successively, second working port of described reversal valve is communicated with the rodless cavity of described hydraulic cylinder, 3rd working port of described reversal valve is communicated with through the rod chamber of one-way throttle valve with described hydraulic cylinder, 4th working port of described hydraulic cylinder is communicated with fuel tank, mounting blocks is fixedly installed on the upside of described support one end, fastening screw is provided with in screwed hole in the middle part of described mounting blocks, the V-arrangement that described fastening screw end is hinged with for holding out against connecting rod to be processed is cut somebody's hair, the positioning disk for locating described crank bore to be processed is installed with by sunk screw on the upside of described mid-stent, described support slides and is provided with guide rod, described guide rod upper end is installed with the pressing plate for compressing described connecting rod to be processed, back-moving spring is provided with between described pressing plate and described support, described lower end of the guide rod by turning rolls be rotatablely equipped with inclined-plane slide bar with the use of roller, described inclined-plane slide bar is slidably installed on the bracket by sliding sleeve, described inclined-plane slide bar is fixedly connected with the piston rod of described hydraulic cylinder.
Above-mentioned single station tie rod holes milling hold down gag and hydraulic system thereof, is characterized in that: described hydraulic pump inlet port place is provided with oil filter, and described reversal valve is three-position four-way electromagnetic directional valve.
Above-mentioned single station tie rod holes milling hold down gag and hydraulic system thereof, is characterized in that: be fixedly installed on the upside of described support for the guide pad for described fastening screw guiding.
Above-mentioned single station tie rod holes milling hold down gag and hydraulic system thereof, is characterized in that: be positioned on the upside of described support on the downside of described wrist-pin end of connecting rod to be processed and be provided with backing plate.
The present invention compared with prior art has the following advantages:
(1) this single station tie rod holes milling hold down gag and design of Hydraulic System thereof are very reasonable, and simple and compact for structure, accurate work piece positioning, machining accuracy is high.
(2) work-handling of this single station tie rod holes milling hold down gag and hydraulic system thereof is convenient, workpiece to be processed only need be placed on relevant position by operating personnel, and V-arrangement is cut somebody's hair after top tight workpiece, and pressing plate can complete the compression to workpiece automatically, leading time is short, and production efficiency is high.
(3) this single station tie rod holes milling hold down gag and hydraulic system automaticity high, according to the automatic control program of system cloud gray model feature design, can make this device automatic impaction and unclamping, the labour intensity greatly reducing workman is low.
(4) a lot of parts of this single station tie rod holes milling hold down gag and hydraulic system thereof are convenient to produce, buy all very much, and thus its production cost is very low, is convenient to promote the use of.
Below by drawings and Examples, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the front view of connecting rod.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is overall structure schematic diagram of the present invention.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is hydraulic control principle schematic of the present invention.
Description of reference numerals:
1-support; 2-mounting blocks; 3-guide pad;
4-fastening screw; 5-V-arrangement is cut somebody's hair; 6-backing plate;
7-connecting rod to be processed; 8-positioning disk; 9-sunk screw;
10-pressing plate; 11-back-moving spring; 12-guide rod;
13-turning rolls; 14-roller; 15-inclined-plane slide bar;
16-hydraulic cylinder; 17-sliding sleeve; 18-overflow valve;
19-oil filter; 20-fuel tank; 21-hydraulic pump;
22-pressure-reducing valve; 23-check valve; 24-reversal valve;
25-one-way throttle valve.
Detailed description of the invention
One list station tie rod holes milling hold down gag as shown in Figure 3-Figure 5 and hydraulic system thereof, comprise support 1, be fixedly mounted on the hydraulic cylinder 16 on the downside of described support 1, hydraulic pump 21 and be arranged on the overflow valve 18 at described hydraulic pump 21 oil-out place, described hydraulic pump 21 oil-out is communicated with the A mouth of reversal valve 24 with check valve 23 through pressure-reducing valve 22 successively, the B mouth of described reversal valve 24 is communicated with the rodless cavity of described hydraulic cylinder 16, the C mouth of described reversal valve 24 is communicated with through the rod chamber of one-way throttle valve 25 with described hydraulic cylinder 16, the D mouth of described hydraulic cylinder 16 is communicated with fuel tank 20, mounting blocks 2 is fixedly installed on the upside of described support 1 one end, fastening screw 4 is provided with in screwed hole in the middle part of described mounting blocks 2, the V-arrangement that described fastening screw 4 end is hinged with for holding out against connecting rod 7 to be processed cuts somebody's hair 5, the positioning disk 8 for locating the large stomidium of described connecting rod to be processed 7 is installed with by sunk screw 9 on the upside of in the middle part of described support 1, described support 1 slides and is provided with guide rod 12, described guide rod 12 upper end is installed with the pressing plate 10 for compressing described connecting rod to be processed 7, back-moving spring 11 is provided with between described pressing plate 10 and described support 1, described guide rod 12 lower end by turning rolls 13 be rotatablely equipped with inclined-plane slide bar 15 with the use of roller 14, described inclined-plane slide bar 15 is slidably mounted on described support 1 by sliding sleeve 17, described inclined-plane slide bar 15 is fixedly connected with the piston rod of described hydraulic cylinder 16.
In the present embodiment, described hydraulic pump 21 inlet port place is provided with oil filter 19, and described reversal valve 24 is three-position four-way electromagnetic directional valve.
In the present embodiment, on the upside of described support 1, be fixedly installed the guide pad 3 for leading for described fastening screw 4.
In the present embodiment, be positioned on the upside of described support 1 on the downside of described connecting rod to be processed 7 small end and be provided with backing plate 6.
The course of work of list station tie rod holes milling hold down gag of the present invention and hydraulic system thereof is: be first fixedly mounted on milling machine table by support 1 by this single station tie rod holes milling hold down gag, connecting rod 7 to be processed is placed on relevant position, positioning disk 8 is positioned by the large stomidium of connecting rod 7 to be processed, using spanner to rotate fastening screw 4 makes V-arrangement cut somebody's hair 5 small ends holding out against connecting rod 7 to be processed, primer fluid press pump 21, during reversal valve 24 left connecting systems, high pressure liquid force feed enters in the rodless cavity of hydraulic jack 16, the piston rod of hydraulic jack 16 moves forward, thus make inclined-plane slide bar 15 in sliding sleeve 17 slides forwards, roller 14 moves down along the inclined-plane of inclined-plane slide bar 15, roller 14 is with dynamic pressure plate 10 to compress connecting rod 7 to be processed by turning rolls 13 and guide rod 12, start milling machine and carry out Milling Process.
Reversal valve 24 meta connecting system, high pressure liquid force feed is discharged by hydraulic pump 21, and flows back to fuel tank 20 through overflow valve 18, and now pressing plate 10 keeps impaction state until connecting rod to be processed 7 is processed completes.
When connecting rod 7 to be processed is processed complete after, reversal valve 24 right connecting systems, high pressure liquid force feed enters in the rod chamber of hydraulic jack 16 through one-way throttle valve 17, the piston rod of hydraulic cylinder 16 moves backward, inclined-plane slide bar 15 is driven to slide backward in sliding sleeve 17, roller 14 moves up along the inclined-plane of inclined-plane slide bar 15, and back-moving spring 11 is with dynamic pressure plate 10 upwards to lift, and the workpiece machined can unload by operating personnel.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solution of the present invention.
Claims (4)
1. a single station tie rod holes milling hold down gag and hydraulic system thereof, comprise support (1), be fixedly mounted on the hydraulic cylinder (16) of described support (1) downside, hydraulic pump (21) and be arranged on the overflow valve (18) at described hydraulic pump (21) oil-out place, it is characterized in that: described hydraulic pump (21) oil-out is communicated with first working port of check valve (23) with reversal valve (24) through pressure-reducing valve (22) successively, second working port of described reversal valve (24) is communicated with the rodless cavity of described hydraulic cylinder (16), 3rd working port of described reversal valve (24) is communicated with through the rod chamber of one-way throttle valve (25) with described hydraulic cylinder (16), 4th working port of described hydraulic cylinder (16) is communicated with fuel tank (20), mounting blocks (2) is fixedly installed on the upside of described support (1) one end, fastening screw (4) is provided with in the screwed hole of described mounting blocks (2) middle part, described fastening screw (4) the end V-arrangement be hinged with for holding out against connecting rod to be processed (7) cuts somebody's hair (5), upside, described support (1) middle part is installed with the positioning disk (8) for locating the large stomidium of described connecting rod to be processed (7) by sunk screw (9), the upper slip of described support (1) is provided with guide rod (12), described guide rod (12) upper end is installed with the pressing plate (10) for compressing described connecting rod to be processed (7), back-moving spring (11) is provided with between described pressing plate (10) and described support (1), described guide rod (12) lower end by turning rolls (13) be rotatablely equipped with inclined-plane slide bar (15) with the use of roller (14), described inclined-plane slide bar (15) is slidably mounted on described support (1) by sliding sleeve (17), described inclined-plane slide bar (15) is fixedly connected with the piston rod of described hydraulic cylinder (16).
2., according to single station tie rod holes milling hold down gag according to claim 1 and hydraulic system thereof, it is characterized in that: described hydraulic pump (21) inlet port place is provided with oil filter (19), described reversal valve (24) is three-position four-way electromagnetic directional valve.
3. according to single station tie rod holes milling hold down gag according to claim 1 and hydraulic system thereof, it is characterized in that: described support (1) upside is fixedly installed the guide pad (3) for leading for described fastening screw (4).
4. according to single station tie rod holes milling hold down gag according to claim 1 and hydraulic system thereof, it is characterized in that: described support (1) upside is positioned on the downside of described connecting rod to be processed (7) small end and is provided with backing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416461.2A CN104440287A (en) | 2013-09-12 | 2013-09-12 | Single-station connecting rod hole milling and pressing device and hydraulic system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416461.2A CN104440287A (en) | 2013-09-12 | 2013-09-12 | Single-station connecting rod hole milling and pressing device and hydraulic system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104440287A true CN104440287A (en) | 2015-03-25 |
Family
ID=52887449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310416461.2A Pending CN104440287A (en) | 2013-09-12 | 2013-09-12 | Single-station connecting rod hole milling and pressing device and hydraulic system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104440287A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750965A (en) * | 2016-05-19 | 2016-07-13 | 张明强 | Centering and clamping device |
| CN106392690A (en) * | 2016-12-05 | 2017-02-15 | 无锡市创恒机械有限公司 | Rotary clamping device |
| CN110252880A (en) * | 2019-07-29 | 2019-09-20 | 范东海 | A kind of building template taper pin continuous punching device |
| CN114131376A (en) * | 2021-12-21 | 2022-03-04 | 苏垦银河汽车部件盐城有限公司 | Clamp for multi-process integrated machining of connecting rod |
-
2013
- 2013-09-12 CN CN201310416461.2A patent/CN104440287A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750965A (en) * | 2016-05-19 | 2016-07-13 | 张明强 | Centering and clamping device |
| CN106392690A (en) * | 2016-12-05 | 2017-02-15 | 无锡市创恒机械有限公司 | Rotary clamping device |
| CN110252880A (en) * | 2019-07-29 | 2019-09-20 | 范东海 | A kind of building template taper pin continuous punching device |
| CN114131376A (en) * | 2021-12-21 | 2022-03-04 | 苏垦银河汽车部件盐城有限公司 | Clamp for multi-process integrated machining of connecting rod |
| CN114131376B (en) * | 2021-12-21 | 2024-06-04 | 苏垦银河汽车部件盐城有限公司 | Clamp for connecting rod multi-station integrated machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |