Bench clamp clamping type magneto-rheological damper for low-voltage micro-arc flutter suppression

Abstract

The utility model discloses a bench clamp clamping type magneto-rheological damper for low-voltage micro-arc flutter suppression, and particularly relates to the technical field of magneto-rheological dampers.The magneto-rheological damper comprises a magneto-rheological damper body, two connecting plates, a bench clamp and a workpiece, one connecting plate is fixed to the bench clamp through a bolt, the other connecting plate makes contact with the workpiece, and the magneto-rheological damper body is fixed to the bench clamp through a bolt. The magnetorheological damper body comprises a cylinder body, a piston rod, a first thread head and a second thread head, and an adjusting assembly is arranged at the bottom of the cylinder body. The magnetorheological fluid in the cylinder body enters the second vertical pipe through the first vertical pipe and the connecting pipe by opening the valve, the magnetorheological fluid in the second vertical pipe enters the cylinder body through the other connecting pipe and the other first vertical pipe, and the capacity of the magnetorheological fluid on the two sides of the piston rod is adjusted according to requirements. And the operation is simple, the capacity of the magnetorheological fluid on the two sides of the piston rod can be conveniently adjusted, and the use effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnetorheological damper technical field more specifically, the utility model relates to a kind of for low voltage micro-arc flutter suppression bench clamp type magnetorheological damper. BACKGROUND

[0002] Through electrolyte and electric parameter combination, the process that ceramic film is generated on metal surface (such as aluminum, magnesium alloy), bench clamp integrates the jaw (improve wear resistance) and flutter suppression structure (enhance clamping stability) of low voltage micro-arc oxidation treatment, it is applicable to precision machining scene sensitive to vibration, magnetorheological damper is generally composed of cylinder, piston, piston rod and electromagnetic coil, magnetorheological damper can be installed in the key part of bench clamp, when vibration occurs, magnetorheological damper can quickly perceive and pass through the state of magnetorheological fluid, generate suitable damping force, effectively absorb and dissipate vibration energy, reduce the transmission of vibration to workbench and other components, improve the stability of machining system.

[0003] The existing magnetorheological damper when using, magnetorheological fluid is located in cylinder, piston rod does reciprocating motion in cylinder, the flow of magnetorheological fluid through damping hole can generate damping force, but it is inconvenient to adjust the capacity of magnetorheological fluid on both sides of piston rod, the capacity of magnetorheological fluid on both sides of piston rod is different, can cause the pressure difference and flow of magnetorheological fluid when passing through damping hole to change, for example, increase the capacity of magnetorheological fluid on one side, when piston rod moves, more magnetorheological fluid can pass through damping hole, so as to increase damping force, it is difficult to adjust the size of damping force according to demand. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of for low voltage micro-arc flutter suppression bench clamp type magnetorheological damper, to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of for low voltage micro-arc flutter suppression bench clamp type magnetorheological damper, including magnetorheological damper main body, two connecting plates, bench clamp and workpiece, one of the connecting plate is fixed with bench clamp by bolt, and another connecting plate is in contact with workpiece, the magnetorheological damper main body includes cylinder, piston rod, first threaded head and second threaded head, the bottom of the cylinder is provided with adjusting assembly, the adjusting assembly includes two first risers, two connecting pipes, second riser, two valves, plug and filter screen plate, the top of two first risers is fixedly communicated with cylinder, two ends of two connecting pipes are fixedly communicated with two first risers and second riser respectively, two valves are fixedly installed on two connecting pipes respectively, the plug is located in the interior of second riser, and the top of plug is fixedly connected with filter screen plate.

[0006] Further, the filter screen plate is provided with a limiting plate on both sides, and the two limiting plates are fixedly installed at the inner top of the second vertical pipe.

[0007] It can be seen that the filter screen plate is limited to deflect in the above technical solution.

[0008] Further, the fixed sleeve on the plug is provided with a grommet, and the outer side of the grommet is in contact with the second vertical pipe.

[0009] It can be seen that the sealing between the plug and the second vertical pipe is improved in the above technical solution.

[0010] Further, the bottom of the plug is movably provided with a protective sleeve, and the protective sleeve is threadedly connected with the second vertical pipe.

[0011] It can be seen that the two valves are conveniently protected in the above technical solution.

[0012] Further, one end of the piston rod is fixedly connected with the second threaded head, and the other end of the piston rod extends into the interior of the cylinder body, and the first threaded head is fixedly installed at the other end of the cylinder body.

[0013] Further, the first threaded head and the second threaded head are both threadedly connected with a threaded inner sleeve, and the opposite ends of the two threaded inner sleeves are respectively fixedly connected with the two connecting plates.

[0014] It can be seen that the magnetorheological damper body is conveniently disassembled and replaced in the above technical solution.

[0015] Further, the number of the magnetorheological damper bodies is two, and the two magnetorheological damper bodies are respectively located on the two sides of the workpiece.

[0016] The technical effects and advantages of the utility model are as follows:

[0017] 1. The utility model discloses a valve is opened, and the magnetorheological fluid in the cylinder body enters the second vertical pipe through the first vertical pipe and the connecting pipe, and the magnetorheological fluid in the second vertical pipe enters the cylinder body through another connecting pipe and another first vertical pipe, and the capacity of the magnetorheological fluid on both sides of the piston rod is adjusted according to demand, the filter screen plate filters the impurities in the magnetorheological fluid, and the capacity of the magnetorheological fluid on both sides of the piston rod is conveniently adjusted, and the use effect is good.

[0018] 2. The utility model discloses a protective sleeve is rotated and is made it away from the second vertical pipe, then the plug and the filter screen plate in the second vertical pipe are taken out, and the impurities adhered to the filter screen plate are cleaned, and the filter screen plate is installed, the cylinder body is rotated and makes the first threaded head away from the threaded inner sleeve, and the piston rod is rotated and makes the second threaded head away from another threaded inner sleeve, and the magnetorheological damper body can be disassembled and replaced, and the structure is simple, and convenient to use. DRAWINGS

[0019] The structure, proportion, size, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0020] Figure 1 It is a schematic view of the overall structure of the utility model;

[0021] Figure 2 It is a schematic view of the assembly structure of the magnetorheological damper body and the protective sleeve of the utility model;

[0022] Figure 3 It is a schematic view of the assembly structure of the protective sleeve and the adjusting assembly of the utility model;

[0023] Figure 4 It is a schematic view of the adjusting assembly structure of the utility model;

[0024] Figure 5 It is a schematic view of the Figure 4 It is an enlarged view of the A structure.

[0025] In the figure: 1, magnetorheological damper body; 2, connecting plate; 3, bench clamp; 4, workpiece; 5, threaded inner sleeve; 6, protective sleeve; 7, adjusting assembly; 101, cylinder body; 102, piston rod; 103, first threaded head; 104, second threaded head; 701, first vertical pipe; 702, connecting pipe; 703, second vertical pipe; 704, valve; 705, plug; 706, filter screen plate; 707, limiting plate; 708, grommet. DETAILED DESCRIPTION

[0026] The embodiments of the utility model are described below by specific examples. Those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. Obviously, the described examples are part of the examples of the utility model, not all examples. Based on the examples in the utility model, all other examples obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Reference is made to the drawings attached to the specification Figures 1-5The embodiment is a table clamp type magnetorheological damper for low-voltage micro-arc flutter suppression, comprising a magnetorheological damper body 1, two connecting plates 2, a table clamp 3 and a workpiece 4, wherein one connecting plate 2 is fixed with the table clamp 3 through bolts, and the other connecting plate 2 is in contact with the workpiece 4, the magnetorheological damper body 1 comprises a cylinder body 101, a piston rod 102, a first threaded head 103 and a second threaded head 104, the bottom of the cylinder body 101 is provided with an adjusting assembly 7, the adjusting assembly 7 comprises two first vertical pipes 701, two connecting pipes 702, a second vertical pipe 703, two valves 704, an insert block 705 and a filter screen plate 706, the top ends of the two first vertical pipes 701 are fixedly communicated with the cylinder body 101, the two ends of the two connecting pipes 702 are fixedly communicated with the two first vertical pipes 701 and the second vertical pipe 703 respectively, the two valves 704 are fixedly installed on the two connecting pipes 702 respectively, the insert block 705 is located in the inside of the second vertical pipe 703, and the top end of the insert block 705 is fixedly connected with the filter screen plate 706.

[0028] Further, the two sides of the filter screen plate 706 are provided with limiting plates 707, and the two limiting plates 707 are fixedly installed on the inside top end of the second vertical pipe 703, a grommet 708 is fixedly sleeved on the insert block 705, and the outside of the grommet 708 is in contact with the second vertical pipe 703, a protective sleeve 6 is movably arranged on the bottom of the insert block 705, and the protective sleeve 6 is threadedly connected with the second vertical pipe 703.

[0029] Further, one end of the piston rod 102 is fixedly connected with the second threaded head 104, and the other end of the piston rod 102 extends into the inside of the cylinder body 101, the first threaded head 103 is fixedly installed on the other end of the cylinder body 101, threaded inner sleeves 5 are threadedly connected on the first threaded head 103 and the second threaded head 104, and the opposite ends of the two threaded inner sleeves 5 are fixedly connected with the two connecting plates 2 respectively, the number of the magnetorheological damper bodies 1 is two, and the two magnetorheological damper bodies 1 are located on the two sides of the workpiece 4 respectively.

[0030] Wherein, the two valves 704 are protected by the protective sleeve 6, the protective sleeve 6 is rotated and away from the second vertical pipe 703, then the insert block 705 and the filter screen plate 706 in the second vertical pipe 703 are taken out, and the impurities adhered on the filter screen plate 706 are cleaned, and the filter screen plate 706 is installed in the same way, the limiting plates 707 can limit the deflection of the filter screen plate 706, the grommet 708 can improve the sealing between the insert block 705 and the second vertical pipe 703, the cylinder body 101 is rotated and the first threaded head 103 is away from the threaded inner sleeve 5, the piston rod 102 is rotated and the second threaded head 104 is away from the other threaded inner sleeve 5, the magnetorheological damper body 1 can be disassembled and replaced, the structure is simple and convenient to use, one of the magnetorheological damper bodies 1 is moved by the table clamp 3, and the two magnetorheological damper bodies 1 are in contact with the workpiece 4.

[0031] The use method of the embodiment is:

[0032] In use, the valve 704 is opened, the magnetorheological fluid in the cylinder body 101 enters the second vertical pipe 703 through the first vertical pipe 701 and the connecting pipe 702, the valve 704 is closed and another valve 704 is opened, the magnetorheological fluid in the second vertical pipe 703 enters the cylinder body 101 through another connecting pipe 702 and another first vertical pipe 701, and the magnetorheological fluid is located on the other side of the piston rod 102, the volume of the magnetorheological fluid on both sides of the piston rod 102 is adjusted according to requirements, when the magnetorheological fluid in the second vertical pipe 703 flows into the connecting pipe 702, the screen plate 706 filters the impurities in the magnetorheological fluid, when the cylinder body 101 and the piston rod 102 reciprocate frequently, the tiny particles on the metal surface will fall off and mix into the magnetorheological fluid, these impurities will cause the magnetorheological effect to weaken, the operation is simple, the volume of the magnetorheological fluid on both sides of the piston rod 102 is conveniently adjusted, and the use effect is good.

[0033] The contents not described in detail in the specification all belong to the prior art known by those skilled in the art, the above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A vise-type magnetorheological damper for suppressing low-pressure micro-arc flutter, comprising a magnetorheological damper body (1), two connecting plates (2), a vise (3), and a workpiece (4), wherein one of the connecting plates (2) is fixed to the vise (3) by bolts, and the other connecting plate (2) is in contact with the workpiece (4), characterized in that: The magnetorheological damper body (1) includes a cylinder (101), a piston rod (102), a first threaded head (103), and a second threaded head (104). An adjustment assembly (7) is provided at the bottom of the cylinder (101). The adjustment assembly (7) includes two first risers (701), two connecting pipes (702), a second riser (703), two valves (704), a plug (705), and a filter plate (706). The top ends of the two first risers (701) are fixedly connected to the cylinder (101). The two ends of the two connecting pipes (702) are fixedly connected to the two first risers (701) and the second riser (703), respectively. The two valves (704) are fixedly installed on the two connecting pipes (702). The plug (705) is located inside the second riser (703), and the top end of the plug (705) is fixedly connected to the filter plate (706).

2. The vise-clamped magnetorheological damper for suppressing low-voltage micro-arc flutter according to claim 1, characterized in that: Both sides of the filter plate (706) are provided with limiting plates (707), and both limiting plates (707) are fixedly installed at the top of the inside of the second riser (703).

3. The vise-type magnetorheological damper for suppressing low-voltage micro-arc flutter as described in claim 1, characterized in that: A washer (708) is fixedly sleeved on the insert (705), and the outer side of the washer (708) is in contact with the second riser (703).

4. The vise-clamped magnetorheological damper for suppressing low-voltage micro-arc flutter according to claim 1, characterized in that: The bottom of the insert (705) is movably provided with a protective sleeve (6), and the protective sleeve (6) is threadedly connected to the second riser (703).

5. The vise-type magnetorheological damper for suppressing low-voltage micro-arc flutter as described in claim 1, characterized in that: One end of the piston rod (102) is fixedly connected to the second threaded head (104), and the other end of the piston rod (102) extends into the interior of the cylinder body (101), while the first threaded head (103) is fixedly installed at the other end of the cylinder body (101).

6. The vise-clamped magnetorheological damper for suppressing low-voltage micro-arc flutter according to claim 1, characterized in that: Both the first threaded head (103) and the second threaded head (104) are threaded with threaded inner sleeves (5), and the opposite ends of the two threaded inner sleeves (5) are fixedly connected to the two connecting plates (2) respectively.

7. The vise-type magnetorheological damper for suppressing low-voltage micro-arc flutter according to claim 1, characterized in that: The number of magnetorheological damper bodies (1) is two, and the two magnetorheological damper bodies (1) are located on both sides of the workpiece (4).

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