CN212527466U - Hydraulic clamp capable of realizing self-locking - Google Patents
Hydraulic clamp capable of realizing self-locking Download PDFInfo
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- CN212527466U CN212527466U CN202021130174.7U CN202021130174U CN212527466U CN 212527466 U CN212527466 U CN 212527466U CN 202021130174 U CN202021130174 U CN 202021130174U CN 212527466 U CN212527466 U CN 212527466U
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- 238000000034 method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
A hydraulic clamp capable of realizing self-locking is composed of a self-locking loop, a hydraulic cylinder, a connecting rod and a clamp assembly; the self-locking loop is connected with an oil inlet and an oil outlet of the hydraulic cylinder, and the hydraulic cylinder is connected with the clamp assembly through a connecting rod. When the fixture assembly is used, after the three-position four-way electromagnetic reversing valve is positioned and clamped, when the three-position four-way electromagnetic reversing valve is switched to the middle position, oil of the hydraulic control ports of the two hydraulic control one-way valves can be unloaded for the Y-shaped electromagnetic reversing valve through the middle position of the three-position four-way electromagnetic reversing valve, so that only the function of a common one-way valve is borne, an oil inlet and outlet way of the hydraulic cylinder is locked, the hydraulic cylinder is self-locked, the movable chuck in the fixture assembly is controlled through the connecting rod, and the movable chuck. The utility model has the advantages that: the clamp has the advantages of simple and convenient operation, high control flexibility, convenient control and maintenance and the like, and solves the problem that the traditional clamp is easy to damage depending on the mechanical locking mechanism element; and a hydraulic self-locking loop is adopted, so that the hydraulic element has a compact structure and stable operation, and is convenient to carry and move.
Description
Technical Field
The utility model relates to a machining tool, especially a can realize hydraulic fixture of self-locking.
Background
The locking mode of the traditional hydraulic clamp used in the market at present is mostly realized by a mechanical structure, and the traditional hydraulic clamp has the following defects:
1. the wedge clamping and eccentric clamping stroke is short, the self-locking capability is poor, an auxiliary power source is required to provide clamping force, and the locking performance depends on the sealing performance of hydraulic system components;
2. the clamping speed is low in the spiral clamping, the clamp is troublesome to disassemble and assemble, and the threaded connecting piece belongs to a quick-wear part, so that the clamping effect is difficult to ensure after long-term operation;
3. the lever clamping cannot be self-locked, auxiliary hydraulic or pneumatic locking is required, and the locking performance also depends on the sealing performance of hydraulic system components.
In view of the problems in the prior art, it is necessary to develop a novel self-locking hydraulic clamp to overcome the problems in the prior art.
Disclosure of Invention
The utility model discloses to the problem that exists among the prior art, a can realize hydraulic fixture from locking is provided for solve the above-mentioned problem that exists among the prior art.
The technical solution of the utility model is realized like this:
a hydraulic clamp capable of realizing self-locking is composed of a self-locking loop, a hydraulic cylinder, a connecting rod and a clamp assembly; the self-locking loop is connected with an oil inlet and an oil outlet of the hydraulic cylinder, and the hydraulic cylinder is connected with the clamp assembly through a connecting rod.
Furthermore, the clamp assembly comprises a movable clamp head, a fixed clamp head, a clamp body and a supporting seat, wherein the movable clamp head is connected with the self-locking loop through a connecting rod, the supporting seat is fixedly connected with the clamp body, and the fixed clamp head is fixed on the clamp body.
Furthermore, the self-locking loop consists of a pilot overflow valve, a three-position four-way electromagnetic reversing valve and two hydraulic control one-way valves, and a hydraulic power source is directly connected with the pilot overflow valve and the three-position four-way electromagnetic reversing valve; the three-position four-way electromagnetic directional valve is respectively connected with the two hydraulic control one-way valves; the control oil ports of the two hydraulic control one-way valves are respectively connected with the oil inlet of the other hydraulic control one-way valve, namely the oil control port of the hydraulic control one-way valve A is connected with the oil inlet of the hydraulic control one-way valve B, and the oil control port of the hydraulic control one-way valve B is connected with the oil inlet of the hydraulic control one-way valve A.
Furthermore, the self-locking loop adopts a pilot overflow valve, a three-position four-way electromagnetic directional valve and two hydraulic control one-way valves to realize the self-locking of the hydraulic cylinder.
After the structure is adopted, when the fixture assembly is used, after the three-position four-way electromagnetic reversing valve is positioned and clamped, and the three-position four-way electromagnetic reversing valve is switched to the middle position, oil of the hydraulic control ports of the two hydraulic control one-way valves can be unloaded for the Y-shaped electromagnetic reversing valve through the middle position function of the three-position four-way electromagnetic reversing valve, so that only the function of a common one-way valve is borne, the oil inlet and outlet passages of the hydraulic cylinder are locked, the hydraulic cylinder is self-locked, and the movable chuck in the fixture assembly is controlled through the connecting rod to.
The utility model has the advantages that:
1. the utility model discloses a from locking return circuit, have novel structure, easy and simple to handle, control flexibility height, safe and reliable, low in cost, be convenient for control advantages such as maintenance, solved traditional anchor clamps and relied on the fragile difficult problem of mechanical locking mechanism component.
2. The utility model discloses a hydraulic pressure is from locking return circuit, hydraulic component compact structure, stable operation, the transport of being convenient for, removal, if mass market-putting must produce positive social and the economic benefits who is showing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 1. the automatic locking device comprises a self-locking loop 1-1, a pilot overflow valve 1-2, a three-position four-way electromagnetic directional valve 1-3, hydraulic control one-way valves A and 1-4, hydraulic control one-way valves B and 2, a hydraulic cylinder 3, a connecting rod 4, a clamp assembly 4-1, a movable clamp 4-2, a fixed clamp 4-3, a clamp body 4-4 and a supporting seat.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, a hydraulic clamp capable of realizing self-locking is composed of a self-locking loop 1, a hydraulic cylinder 2, a connecting rod 3 and a clamp assembly 4; the self-locking loop is connected with an oil inlet and an oil outlet of the hydraulic cylinder, and the hydraulic cylinder is connected with the clamp assembly through a connecting rod.
The clamp assembly comprises a movable clamp 4-1, a fixed clamp 4-2, a clamp body 4-3 and a support seat 4-4, wherein the movable clamp is connected with a self-locking loop through a connecting rod, the support seat is fixedly connected with the clamp body, and the fixed clamp is fixed on the clamp body.
The self-locking loop consists of a pilot overflow valve 1-1, a three-position four-way electromagnetic reversing valve 1-2 and two hydraulic control one-way valves, and a hydraulic power source is directly connected with the pilot overflow valve and the three-position four-way electromagnetic reversing valve; the three-position four-way electromagnetic directional valve is respectively connected with the two hydraulic control one-way valves; the control oil ports of the two hydraulic control one-way valves are respectively connected with the oil inlet of the other hydraulic control one-way valve, namely the control oil port of the hydraulic control one-way valve A (1-3) is connected with the oil inlet of the hydraulic control one-way valve B (1-4), and the control oil port of the hydraulic control one-way valve B is connected with the oil inlet of the hydraulic control one-way valve A.
The self-locking loop adopts a pilot overflow valve, a three-position check valve and two hydraulic control check valves to realize the self-locking of the hydraulic cylinder.
In a specific implementation process, the self-locking loop 1 can realize that when the three-position four-way electromagnetic directional valve is switched to a middle position, oil of two hydraulic control one-way valves 1-3 and 1-4 can be unloaded for the Y-shaped electromagnetic directional valve through the three-position four-way middle position, so that only the function of a common one-way valve is borne, an oil inlet and outlet way of a hydraulic cylinder is locked, the hydraulic cylinder 2 is self-locked, the movable chuck 4-1 in the clamp assembly 4 is controlled through the connecting rod 3 and is matched with the fixed chuck 4-2 for use, and the self-locking of the clamp assembly 4 is realized.
The above, only be the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and all the technicians familiar with the technical field are in the technical scope of the present invention, according to the technical scheme of the present invention and the concept of the present invention equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (4)
1. A hydraulic clamp capable of realizing self-locking is composed of a self-locking loop (1), a hydraulic cylinder (2), a connecting rod (3) and a clamp assembly (4); the method is characterized in that: the self-locking loop (1) is connected with an oil inlet and an oil outlet of the hydraulic cylinder (2), and the hydraulic cylinder (2) is connected with the clamp assembly (4) through the connecting rod (3).
2. The hydraulic clamp capable of realizing self-locking according to claim 1, wherein: the clamp assembly (4) is composed of a movable clamp head (4-1), a fixed clamp head (4-2), a clamp body (4-3) and a support seat (4-4), the movable clamp head (4-1) is connected with the self-locking loop (1) through a connecting rod (3), the support seat (4-4) is fixedly connected with the clamp body (4-3), and the fixed clamp head (4-2) is fixed on the clamp body (4-3).
3. The hydraulic clamp capable of realizing self-locking according to claim 1, wherein: the self-locking loop (1) consists of a pilot overflow valve (1-1), a three-position four-way electromagnetic directional valve (1-2) and two hydraulic control one-way valves, and a hydraulic power source is directly connected with the pilot overflow valve (1-1) and the three-position four-way electromagnetic directional valve (1-2); the three-position four-way electromagnetic directional valve (1-2) is respectively connected with the two hydraulic control one-way valves; the control oil ports of the two hydraulic control one-way valves are respectively connected with the oil inlet of the other hydraulic control one-way valve, namely the control oil port of the hydraulic control one-way valve A (1-3) is connected with the oil inlet of the hydraulic control one-way valve B (1-4), and the control oil port of the hydraulic control one-way valve B (1-4) is connected with the oil inlet of the hydraulic control one-way valve A (1-3).
4. The hydraulic clamp capable of realizing self-locking according to claim 1, wherein: the self-locking loop (1) adopts a pilot overflow valve (1-1), a three-position four-way electromagnetic directional valve (1-2) and two hydraulic control one-way valves (1-3) and (1-4) to realize the self-locking of the hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021130174.7U CN212527466U (en) | 2020-06-11 | 2020-06-11 | Hydraulic clamp capable of realizing self-locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021130174.7U CN212527466U (en) | 2020-06-11 | 2020-06-11 | Hydraulic clamp capable of realizing self-locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212527466U true CN212527466U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021130174.7U Expired - Fee Related CN212527466U (en) | 2020-06-11 | 2020-06-11 | Hydraulic clamp capable of realizing self-locking |
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| CN (1) | CN212527466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369945A (en) * | 2021-06-09 | 2021-09-10 | 徐州工业职业技术学院 | Mechanical-electrical integrated hydraulic clamping device |
-
2020
- 2020-06-11 CN CN202021130174.7U patent/CN212527466U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369945A (en) * | 2021-06-09 | 2021-09-10 | 徐州工业职业技术学院 | Mechanical-electrical integrated hydraulic clamping device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |