CN204312424U - The hydraulic control improved system of hydraulic centralizing fixture - Google Patents
The hydraulic control improved system of hydraulic centralizing fixture Download PDFInfo
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- CN204312424U CN204312424U CN201420743895.3U CN201420743895U CN204312424U CN 204312424 U CN204312424 U CN 204312424U CN 201420743895 U CN201420743895 U CN 201420743895U CN 204312424 U CN204312424 U CN 204312424U
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Abstract
The utility model provides a kind of hydraulic control improved system of hydraulic centralizing fixture, comprise reduction valve and pressure gauge, also comprise compression hydraulic cylinder, displacement transducer S1 upper compression hydraulic cylinder is equipped with, and with stacking type hydraulic control check valve I, proportional reversing valve I and hydraulic oil pipe form hydraulic control circuit, the below of upper compression hydraulic cylinder is provided with lower compression hydraulic cylinder, lower compression hydraulic cylinder is equipped with displacement transducer S2, and with stacking type hydraulic control check valve II, proportional reversing valve II and hydraulic oil pipe form hydraulic control circuit, upper compression hydraulic cylinder and described lower compression hydraulic cylinder and some auxiliary clamp oil hydraulic cylinders form equally distributed annular array, auxiliary clamp oil hydraulic cylinder and syncmotor, pressure transducer, stacking type hydraulic control check valve III, overlapping two, three-position four-way electromagnetic directional valve and hydraulic oil pipe form hydraulic control circuit.The utility model compact structure, maximize and make easily, simple to operate, precision is high, clamping force stepless speed regulation.
Description
Technical field
The utility model relates to a kind of hydraulic control system, particularly relates to a kind of hydraulic control improved system of hydraulic centralizing fixture.
Background technique
The clamping of large scale cylindrical work requires highi degree of accuracy centering, cutter has the feature of high duplication, as shown in Figure 2, existing cylindrical work hydraulic fixture has equally distributed eight oil hydraulic cylinders, only coordinate overlapping two and stacking type hydraulic control check valve by one group of three-position four-way electromagnetic directional valve, eight oil hydraulic cylinders are controlled by three-position four-way electromagnetic directional valve, eight oil hydraulic cylinders are to the centering of cylindrical work, clamping process is synchronously carried out, the method control accuracy is lower, repeatability is not high, especially along with the increasing of workpiece, oil cylinder stroke increases, the synchronization error also corresponding increase (synchronization error of motor is 2 ~ 3%) of motor.What require control accuracy and repeatability along with client improves constantly, and this control system can not satisfy the demands gradually.
Summary of the invention
Problem to be solved in the utility model is: overcome the deficiencies in the prior art, provides a kind of compact structure, and maximize and make easily, simple to operate, precision is high, the hydraulic control improved system of the hydraulic centralizing fixture of clamping force stepless speed regulation.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the hydraulic control improved system of hydraulic centralizing fixture, it is characterized in that: comprise the reduction valve of adjustable pressure and the pressure gauge of observable system pressure, also comprise compression hydraulic cylinder, described upper compression hydraulic cylinder is equipped with displacement transducer S1, and conveniently Placement, with stacking type hydraulic control check valve I, proportional reversing valve I and hydraulic oil pipe form hydraulic control circuit, the below of described upper compression hydraulic cylinder is provided with lower compression hydraulic cylinder, described lower compression hydraulic cylinder is equipped with displacement transducer S2, and conveniently Placement, with stacking type hydraulic control check valve II, proportional reversing valve II and hydraulic oil pipe form hydraulic control circuit, described upper compression hydraulic cylinder and described lower compression hydraulic cylinder and some auxiliary clamp oil hydraulic cylinders form equally distributed annular array, described auxiliary clamp oil hydraulic cylinder conveniently Placement and syncmotor, pressure transducer, stacking type hydraulic control check valve III, overlapping two, three-position four-way electromagnetic directional valve and hydraulic oil pipe form hydraulic control circuit.
Further, the quantity of described auxiliary clamp oil hydraulic cylinder is 4-8, is preferably 6.
The advantage that the utility model has and good effect are:
1. compared with eight original cylinder synchronizing control loops, the utility model more meets the kinetic characteristic of equipment, is changed into by original eight cylinder synchronizing control loops and first synchronously to be felt relieved then all the other six cylinder auxiliary clamps by two cylinders, reduce control difficulty.
2. adoption rate valve and displacement transducer with the use of, can synchronization accuracy be significantly improved, such that machining accuracy is higher, repeatability is better.
3. pressure transducer is housed, can monitors the pressure condition of auxiliary clamp oil hydraulic cylinder in movement process, prevent crossing ambassador's workpiece surface because of pressure and destroy.
4. be provided with stacking type hydraulic control check valve, can be active chamber pressurize.
5. improve manufacturing efficiency, reduce the labor intensity of workman.
Accompanying drawing explanation
Fig. 1 is hydraulic principle figure of the present utility model
Fig. 2 is the hydraulic principle figure of existing clamp device
In figure: 1-reduction valve; 2-pressure gauge; The upper compression hydraulic cylinder of 3-; 31-proportional reversing valve I; 32-stacking type hydraulic control check valve I; 33-displacement transducer S1; Compression hydraulic cylinder under 4-; 41-proportional reversing valve II; 42-stacking type hydraulic control check valve II; 43-displacement transducer S2; 5-auxiliary clamp oil hydraulic cylinder; 51-three-position four-way electromagnetic directional valve; 52-overlapping two; 53-stacking type hydraulic control check valve III; 54-pressure transducer; 55-syncmotor; 6-stacking type hydraulic control check valve; 7-compression hydraulic cylinder
Embodiment
Below by way of specific embodiment, the utility model is described further.
Fig. 1 is hydraulic principle figure of the present utility model, a kind of hydraulic control improved system of hydraulic centralizing fixture, comprise the reduction valve (1) of adjustable pressure and the pressure gauge (2) of observable system pressure, also comprise compression hydraulic cylinder (3), described upper compression hydraulic cylinder (3) is equipped with displacement transducer S1 (33), and conveniently Placement, with stacking type hydraulic control check valve I (32), proportional reversing valve I (31) and hydraulic oil pipe form hydraulic control circuit, the below of described upper compression hydraulic cylinder (3) is provided with lower compression hydraulic cylinder (4), described lower compression hydraulic cylinder (4) is equipped with displacement transducer S2 (43), and conveniently Placement, with stacking type hydraulic control check valve II (42), proportional reversing valve II (41) and hydraulic oil pipe form hydraulic control circuit, described upper compression hydraulic cylinder (3) and described lower compression hydraulic cylinder (4) form equally distributed annular array with some auxiliary clamp oil hydraulic cylinders (5), the quantity of described auxiliary clamp oil hydraulic cylinder (5) is 4-8, be preferably 6, described auxiliary clamp oil hydraulic cylinder (5) is Placement and syncmotor (55) conveniently, pressure transducer (54), stacking type hydraulic control check valve III (53), overlapping two (52), three-position four-way electromagnetic directional valve (51) and hydraulic oil pipe form hydraulic control circuit.
Working principle is as follows:
Fuel feeding is entered by P mouth, carries out pressure adjustment through reduction valve (1), carries out pressure observation by pressure gauge (2).
When workpiece carries out centering clamping, first compression hydraulic cylinder (3) and lower compression hydraulic cylinder (4) synchronous clamping in passing ratio selector valve I (31) and proportional reversing valve II (41) control, and regulate the opening degree of proportional reversing valve I (31) and proportional reversing valve II (41) by the feedback model of displacement transducer S1 (33) and displacement transducer S2 (43) thus control being synchronized with the movement of upper compression hydraulic cylinder (3) and lower compression hydraulic cylinder (4), stacking type hydraulic control check valve I (32) and stacking type hydraulic control check valve II (42) is active chamber pressurize.
Then, the centering clamping of auxiliary clamp oil hydraulic cylinder (5) is controlled by three position four-way directional control valve (51), overlapping two (52) can regulate six auxiliary clamp oil hydraulic cylinder (5) movement velocitys, pressure transducer (54) is housed syncmotor (55) is front, can monitor auxiliary clamp oil hydraulic cylinder (5) pressure condition in movement process, prevent from crossing ambassador's workpiece surface because of pressure to destroy, stacking type hydraulic control check valve III (53) is active chamber pressurize.
Above embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present invention.All equalizations done according to the utility model scope change and improve, and all should still belong within this patent covering scope.
Claims (5)
1. the hydraulic control improved system of hydraulic centralizing fixture, it is characterized in that: comprise compression hydraulic cylinder, described upper compression hydraulic cylinder and stacking type hydraulic control check valve I, proportional reversing valve I and hydraulic oil pipe form hydraulic control circuit, the below of described upper compression hydraulic cylinder is provided with lower compression hydraulic cylinder, described lower compression hydraulic cylinder and stacking type hydraulic control check valve II, proportional reversing valve II and hydraulic oil pipe form hydraulic control circuit, described upper compression hydraulic cylinder and described lower compression hydraulic cylinder and some auxiliary clamp oil hydraulic cylinders form equally distributed annular array, described auxiliary clamp oil hydraulic cylinder and syncmotor, pressure transducer, stacking type hydraulic control check valve III, overlapping two, three-position four-way electromagnetic directional valve and hydraulic oil pipe form hydraulic control circuit.
2. the hydraulic control system of hydraulic centralizing fixture according to claim 1 is improved, and it is characterized in that: the quantity of described auxiliary clamp oil hydraulic cylinder is 4-8, is preferably 6.
3. the hydraulic control system of hydraulic centralizing fixture according to claim 1 is improved, and it is characterized in that: comprise the reduction valve of adjustable pressure and the pressure gauge of observable system pressure.
4. the hydraulic control system of hydraulic centralizing fixture according to claim 1 is improved, and it is characterized in that: described upper compression hydraulic cylinder is equipped with displacement transducer S1.
5. the hydraulic control system of hydraulic centralizing fixture according to claim 1 is improved, and it is characterized in that: described lower compression hydraulic cylinder is equipped with displacement transducer S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420743895.3U CN204312424U (en) | 2014-12-01 | 2014-12-01 | The hydraulic control improved system of hydraulic centralizing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420743895.3U CN204312424U (en) | 2014-12-01 | 2014-12-01 | The hydraulic control improved system of hydraulic centralizing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312424U true CN204312424U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420743895.3U Active CN204312424U (en) | 2014-12-01 | 2014-12-01 | The hydraulic control improved system of hydraulic centralizing fixture |
Country Status (1)
| Country | Link |
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| CN (1) | CN204312424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613316A (en) * | 2018-11-29 | 2019-04-12 | 江阴市星火电子科技有限公司 | A kind of high-precision rogowski coil |
| CN110153493A (en) * | 2019-04-22 | 2019-08-23 | 杭州电子科技大学 | Surface broaching active vibration suppression fixture and its vibration suppression method based on electrohydraulic servo vibration exciting |
-
2014
- 2014-12-01 CN CN201420743895.3U patent/CN204312424U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613316A (en) * | 2018-11-29 | 2019-04-12 | 江阴市星火电子科技有限公司 | A kind of high-precision rogowski coil |
| CN109613316B (en) * | 2018-11-29 | 2020-12-29 | 江阴市星火电子科技有限公司 | High-precision Rogowski coil |
| CN110153493A (en) * | 2019-04-22 | 2019-08-23 | 杭州电子科技大学 | Surface broaching active vibration suppression fixture and its vibration suppression method based on electrohydraulic servo vibration exciting |
| CN110153493B (en) * | 2019-04-22 | 2020-06-16 | 杭州电子科技大学 | Plane broaching active vibration suppression clamp based on electro-hydraulic servo excitation and vibration suppression method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.16, Jingxiang Road, Science Park, Beichen District, Tianjin, 300409 Patentee after: Zhongzhong Technology (Tianjin) Co.,Ltd. Address before: No.16, Jingxiang Road, Science Park, Beichen District, Tianjin, 300409 Patentee before: TIANJIN ZHONGZHONG SCIENCE TECHNOLOGY & ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.16, Jingxiang Road, Science Park, Beichen District, Tianjin, 300409 Patentee after: Zhongzhong Technology (Tianjin) Co.,Ltd. Address before: No.16, Jingxiang Road, Science Park, Beichen District, Tianjin, 300409 Patentee before: TIANJIN ZHONGZHONG SCIENCE TECHNOLOGY & ENGINEERING Co.,Ltd. |