CN203679873U - Hydraulic control system for double-station milling pressing device - Google Patents
Hydraulic control system for double-station milling pressing device Download PDFInfo
- Publication number
- CN203679873U CN203679873U CN201320567757.XU CN201320567757U CN203679873U CN 203679873 U CN203679873 U CN 203679873U CN 201320567757 U CN201320567757 U CN 201320567757U CN 203679873 U CN203679873 U CN 203679873U
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- working port
- control system
- valve
- hydraulic
- hydraulic control
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Abstract
The utility model discloses a hydraulic control system for a double-station milling pressing device. The hydraulic control system comprises a bracket, wherein a pull rod is arranged on the middle part of the bracket in a sliding way; a pressure plate is fixedly arranged at the upper end of the pull rod; a resetting spring for driving the resetting of the pressure plate is arranged between the pressure plate and the bracket; a roller is arranged at the lower end of the pull rod in a rotating way; the end part of a piston rod of a hydraulic oil cylinder is fixedly connected with a beveled sliding rod; a rodless cavity and a rod cavity of the hydraulic oil cylinder are communicated with a first working port and a second working port of a reversing valve respectively; a third working port and a fourth working port of the reversing valve are communicated with an oil tank and an oil outlet of a hydraulic pump respectively; a one-way throttle valve is arranged on a pipeline between the rod cavity of the hydraulic oil cylinder and the second working port of the reversing valve. The hydraulic control system has the characteristics of reasonable design, capability of realizing double-station clamping at one time, high production efficiency, simplicity and convenience in operation, high automation degree and low labor intensity.
Description
Technical field
The utility model belongs to Machining Technology field, relates to a kind of hold down gag, is specifically related to a kind of double hold down gag and hydraulic control system thereof for Milling Process.
Background technology
Milling Process is a kind of common metal cold processing mode, in side milling process milling cutter under the driving of main shaft around axle center High Rotation Speed, workpiece to be machined remains static under the clamping of corresponding fixture, and the milling cutter of High Rotation Speed uses side blade by workpiece to be machined machine-shaping.In conventional Milling Process clamping device, be all generally single station, namely clamp and once can only complete the clamping of a workpiece to be machined, thereby it exists clamping efficiency low, the shortcoming such as the leading time is long, and labour intensity is large.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of hydraulic control system of double milling hold down gag is provided, and it is reasonable in design, once can carry out double clamping, production efficiency is high, simple to operation, and automaticity is high, labour intensity is low.
For achieving the above object, the technical solution adopted in the utility model is: a kind of hydraulic control system of double milling hold down gag, comprise support, for the pressing plate of workpiece pressing be fixedly mounted on the hydraulic jack of described support downside, it is characterized in that: also comprise the inclined-plane slide bar, reversal valve and the individual event choke valve that are slidably mounted on described support downside, described mid-stent is slided and is provided with pull bar, described pull bar upper end is installed with described pressing plate, between described pressing plate and described support, be provided with the back-moving spring for driving described pressing plate to reset, described pull bar lower end is rotatablely equipped with the roller being used in conjunction with described inclined-plane slide bar by turning rolls, the piston rod end of described hydraulic jack is fixedly connected with the inclined-plane slide bar that is slidably mounted on described support downside, described support upside two ends are all fixedly installed the position block one and the position block two that are useful on positioning workpieces, the rodless cavity of described hydraulic jack and rod chamber are communicated with the first working port and second working port of described reversal valve respectively, the 3rd working port and the 4th working port of described reversal valve are communicated with fuel tank and hydraulic pump oil-out respectively, on pipeline between the second working port of the rod chamber of described hydraulic jack and described reversal valve, be provided with one-way throttle valve.
The hydraulic control system of above-mentioned double milling hold down gag, is characterized in that: described inclined-plane slide bar is slidably mounted on described support downside by installation sleeve.
The hydraulic control system of above-mentioned double milling hold down gag, it is characterized in that: on the pipeline between the 4th working port of described hydraulic pump oil-out and described reversal valve, be disposed with pressure-reducing valve and check valve, described hydraulic pump oil-out place is provided with overflow valve, and described hydraulic pump inlet port place is provided with oil filter.
The hydraulic control system of above-mentioned double milling hold down gag, is characterized in that: described reversal valve is two-position four-way solenoid directional control valve.
The utility model compared with prior art has the following advantages:
(1) design of the hydraulic control system of this double milling hold down gag is very reasonable, once can carry out double clamping, and operating efficiency is high, and the leading time shortens greatly, and production efficiency improves greatly.
(2) hydraulic control system of this double milling hold down gag is easy to operate, and operating personnel only need be placed on relevant position by part to be processed, and pressing plate can complete the compression to workpiece automatically.
(3) hydraulic control system of this double milling hold down gag adopts mechanical, electrical, liquid integrated design, automatic control program can and unclamp workpiece according to this device automatic impaction of system operation characteristic control, automaticity is very high, greatly reduces workman's labour intensity simultaneously.
Below by drawings and Examples, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is hydraulic control principle schematic of the present utility model.
Description of reference numerals:
1-support; 2-position block one; 3-workpiece;
4-pull bar; 5-back-moving spring; 6-pressing plate;
7-position block two; 8-turning rolls; 9-roller;
10-inclined-plane slide bar; 11-installation sleeve; 12-hydraulic jack.
13-one-way throttle valve; 14-overflow valve; 15-oil filter;
16-fuel tank; 17-hydraulic pump; 18-pressure-reducing valve;
19-check valve; 20-reversal valve.
Detailed description of the invention
The hydraulic control system of a kind of double milling hold down gag as shown in Figure 1-Figure 3, comprise support 1, for the pressing plate 6 of workpiece pressing 3 be fixedly mounted on the hydraulic jack 12 of described support 1 downside, also comprise the inclined-plane slide bar 10, reversal valve 20 and the individual event choke valve 13 that are slidably mounted on described support 1 downside, slide and be provided with pull bar 4 in described support 1 middle part, described pull bar 4 upper ends are installed with described pressing plate 6, between described pressing plate 6 and described support 1, be provided with the back-moving spring 5 for driving described pressing plate 6 to reset, described pull bar 4 lower ends are rotatablely equipped with the roller 9 being used in conjunction with described inclined-plane slide bar 10 by turning rolls 8, the piston rod end of described hydraulic jack 12 is fixedly connected with the inclined-plane slide bar 10 that is slidably mounted on described support 1 downside, described support 1 upside two ends are all fixedly installed the position block 1 and the position block 27 that are useful on positioning workpieces 3, the rodless cavity of described hydraulic jack 12 and rod chamber are communicated with the first working port and second working port of described reversal valve 20 respectively, the 3rd working port of described reversal valve 20 and the 4th working port are communicated with fuel tank 16 and hydraulic pump 17 oil-outs respectively, on pipeline between the rod chamber of described hydraulic jack 12 and the second working port of described reversal valve 20, be provided with one-way throttle valve 13.
In the present embodiment, described inclined-plane slide bar 10 is slidably mounted on described support 1 downside by installation sleeve 11.
In the present embodiment, on pipeline between described hydraulic pump 17 oil-outs and the 4th working port of described reversal valve 20, be disposed with pressure-reducing valve 18 and check valve 19, described hydraulic pump 17 oil-out places are provided with overflow valve 14, and described hydraulic pump 17 inlet port places are provided with oil filter 15.
In the present embodiment, described reversal valve 20 is two-position four-way solenoid directional control valve.
The course of work of the hydraulic control system of the utility model double milling hold down gag is: first by support 1, the hydraulic control system of this double milling hold down gag is fixed on platen, two workpiece 3 are placed on to the relevant position of support 1 simultaneously, pressing plate 6 is placed on to workpiece 3 upsides.
Primer fluid press pump 17, when 20 left connecting systems of reversal valve, high pressure liquid force feed enters in the rodless cavity of hydraulic jack 12, the piston rod of hydraulic jack 12 moves forward, drive inclined-plane slide bar 10 in installation sleeve 11 slides forwards, roller 9 moves down along the inclined-plane of inclined-plane slide bar 10, and roller 9 is with dynamic pressure plate 6 workpiece pressings 3 by turning rolls 8 and pull bar 4.
After workpiece machines, 20 right connecting systems of reversal valve, high pressure liquid force feed enters in the rod chamber of hydraulic jack 12 through one-way throttle valve 13, the piston rod of hydraulic jack 12 moves backward, drive inclined-plane slide bar 10 to slide backward in installation sleeve 11, roller 9 moves up along the inclined-plane of inclined-plane slide bar 10, and pull bar 4 unclamps pressing plate 6 under the effect of roller 9, pressing plate 6 can upwards lift under the effect of back-moving spring 5, and operating personnel can unload the workpiece machining 3.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.
Claims (4)
1. the hydraulic control system of a double milling hold down gag, comprise support (1), for the pressing plate (6) of workpiece pressing (3) be fixedly mounted on the hydraulic jack (12) of described support (1) downside, it is characterized in that: also comprise the inclined-plane slide bar (10), reversal valve (20) and the individual event choke valve (13) that are slidably mounted on described support (1) downside; slide and be provided with pull bar (4) in described support (1) middle part, described pull bar (4) upper end is installed with described pressing plate (6), between described pressing plate (6) and described support (1), be provided with the back-moving spring (5) for driving described pressing plate (6) to reset, described pull bar (4) lower end is rotatablely equipped with the roller (9) being used in conjunction with described inclined-plane slide bar (10) by turning rolls (8), the piston rod end of described hydraulic jack (12) is fixedly connected with the inclined-plane slide bar (10) that is slidably mounted on described support (1) downside, described support (1) upside two ends are all fixedly installed the position block one (2) and the position block two (7) that are useful on positioning workpieces (3), the rodless cavity of described hydraulic jack (12) and rod chamber are communicated with the first working port and second working port of described reversal valve (20) respectively, the 3rd working port of described reversal valve (20) and the 4th working port are communicated with fuel tank (16) and hydraulic pump (17) oil-out respectively, on pipeline between the second working port of the rod chamber of described hydraulic jack (12) and described reversal valve (20), be provided with one-way throttle valve (13).
2. according to the hydraulic control system of double milling hold down gag claimed in claim 1, it is characterized in that: described inclined-plane slide bar (10) is slidably mounted on described support (1) downside by installation sleeve (11).
3. according to the hydraulic control system of double milling hold down gag claimed in claim 1, it is characterized in that: on the pipeline between described hydraulic pump (17) oil-out and the 4th working port of described reversal valve (20), be disposed with pressure-reducing valve (18) and check valve (19), described hydraulic pump (17) oil-out place is provided with overflow valve (14), and described hydraulic pump (17) inlet port place is provided with oil filter (15).
4. according to the hydraulic control system of the double milling hold down gag described in claim 1 or 3, it is characterized in that: described reversal valve (20) is two-position four-way solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567757.XU CN203679873U (en) | 2013-09-12 | 2013-09-12 | Hydraulic control system for double-station milling pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567757.XU CN203679873U (en) | 2013-09-12 | 2013-09-12 | Hydraulic control system for double-station milling pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203679873U true CN203679873U (en) | 2014-07-02 |
Family
ID=51001832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320567757.XU Expired - Fee Related CN203679873U (en) | 2013-09-12 | 2013-09-12 | Hydraulic control system for double-station milling pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203679873U (en) |
-
2013
- 2013-09-12 CN CN201320567757.XU patent/CN203679873U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20140912 |
|
| EXPY | Termination of patent right or utility model |