Hydraulic elastic diaphragm chuck

Abstract

The utility model discloses a hydraulic elastic diaphragm chuck which comprises a hydraulic elastic diaphragm chuck body, and an oil inlet and an oil outlet are formed in the hydraulic elastic diaphragm chuck body. The mounting plate is mounted on the hydraulic elastic diaphragm chuck main body, and symmetrically distributed connecting blocks are arranged on the mounting plate; the clamping piece is connected with the end, away from the mounting plate, of the connecting block and comprises a fixing frame perpendicular to the connecting block and a clamping plate mounted in the fixing frame, and the clamping plate comprises a connecting elastic plate connected with the fixing frame, clamping elastic plates symmetrically distributed on the connecting elastic plate and extension plates connected with the ends, away from the connecting elastic plate, of the clamping elastic plates; the adjusting assembly is mounted on the mounting plate; the hydraulic elastic diaphragm chuck body is provided with the clamping oil inlet and the clamping oil outlet, the drawing rod moves, the clamping column is inserted into the fixing frame, the clamping column abuts against the rolling expansion plate, and the deformed clamping elastic plate clamps the corresponding oil inlet or the corresponding oil outlet.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic chuck fixtures, in particular to a hydraulic elastic diaphragm chuck. Background Art

[0002] A hydraulic chuck is a fixture that clamps and releases workpieces with high precision and quickly. It uses a hydraulic workstation to provide power and connects to a rotary cylinder to complete the telescopic movement, thereby controlling the tightening and loosening of the hydraulic chuck. It is widely used in machining, aviation, automotive and other industries. The elastic diaphragm is a thin, soft, elastically deformable metal or non-metallic sheet component. It consists of a chuck, a fixture base, an elastic pressure plate and a hydraulic cylinder. The elastic diaphragm can be used as an elastic pad.

[0003] When the hydraulic chuck is used for a long time, the hydraulic chuck will have the problem of oil leakage in the cavity. One of the reasons for the oil leakage in the chuck cavity is the loosening of the oil filling interface and the oil outlet interface. Although the oil filling interface and the oil outlet interface are tightened by screws, when the hydraulic chuck clamps the workpiece and processes the workpiece, the hydraulic chuck will inevitably be affected by small vibrations, causing the screws to loosen, and then causing the oil filling interface and the oil outlet interface to loosen. When the hydraulic chuck is used, there is a problem of no design to clamp the oil filling interface and the oil outlet interface. For this reason, the present application proposes a hydraulic elastic diaphragm chuck. Utility Model Content

[0004] The purpose of the utility model is to provide a hydraulic elastic diaphragm chuck to solve the problem in the background art that the hydraulic chuck has no design of a clamping oil filling interface and an oil outlet interface.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: a hydraulic elastic diaphragm chuck, comprising

[0006] A hydraulic elastic diaphragm chuck body, wherein the hydraulic elastic diaphragm chuck body is provided with an oil inlet and an oil outlet;

[0007] A mounting plate mounted on the hydraulic elastic diaphragm chuck body, wherein the mounting plate is provided with symmetrically distributed connecting blocks;

[0008] The clamping member connected to the end of the connecting block away from the mounting plate includes a fixing frame perpendicular to the connecting block, a clamping plate installed inside the fixing frame, and the supporting plate includes a connecting spring plate connected to the fixing frame, clamping spring plates symmetrically distributed on the connecting spring plate, and an extension plate connected to the end of the clamping spring plate away from the connecting spring plate;

[0009] The adjustment assembly installed on the mounting plate includes a bottom block connected to the mounting plate, a pull-out rod slidably connected to the bottom block, a contraction spring installed in the bottom block, a movable column with one end penetrating into the bottom block and connected to the pull-out rod, and a clamping column connected to the end of the movable column.

[0010] Preferably, the connecting spring plate is in the shape of an open isosceles trapezoid, and a buffer rubber pad is provided on the inner surface of the curved clamping spring plate.

[0011] Preferably, curved protrusions are provided on the opposite surfaces of the opposite extension plates, and the clamping column is tangent to the curved surface of the protrusion.

[0012] Preferably, the end of the movable column away from the pulling rod is a forked "Y"-shaped structure, a movable groove is provided in the middle position of the bottom block, and a long hole connected to the movable groove is provided on the outer surface of the bottom block. The movable column passes through the long hole, and the movable column is slidably connected to the bottom block.

[0013] Preferably, the pulling rod is slidably connected to the bottom block, an extrusion round block is provided at one end of the pulling rod located inside the bottom block, both ends of the contraction spring are respectively connected to the bottom block and the extrusion round block, and the movable column is connected to the extrusion round block.

[0014] Preferably, a limiting rod penetrating the contraction spring is provided in the bottom block, and the limiting rod is embedded in the extrusion round block and the pulling rod.

[0015] Preferably, a groove is provided on the surface of the movable column, one end of the connecting block is open, a return spring and a toggle plate are provided in the open end of the connecting block, the two ends of the return spring are respectively connected to the inner surface of the connecting block and the toggle plate, and the toggle plate is provided with a protrusion that cooperates with the groove.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] In the utility model, the hydraulic elastic diaphragm chuck body is designed to clamp the oil inlet and oil outlet. When the pulling rod is moved, the clamping column is inserted into the interior of the fixed frame, and the clamping column presses the extension plate, so that the deformed clamping spring plate clamps the corresponding oil inlet or oil outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0020] Figure 3 This is a side structural diagram of the fixing frame of the present invention;

[0021] Figure 4 This is a side structural diagram of the movable column of the present invention;

[0022] In the figure: 1. Hydraulic elastic diaphragm chuck body; 2. Mounting plate; 3. Connecting block; 4. Fixed frame; 11. Oil inlet; 12. Oil outlet; 31. Return spring; 32. Toggle plate; 51. Bottom block; 52. Pull rod; 53. Contraction spring; 54. Moving column; 61. Connecting spring plate; 62. Clamping spring plate; 63. Extension plate; 321. Protrusion; 511. Limiting rod; 541. Clamping column; 621. Buffering rubber pad. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Example

[0025] See also Figures 1 to 4The utility model provides a technical solution: a hydraulic elastic diaphragm chuck, comprising a hydraulic elastic diaphragm chuck body 1, the hydraulic elastic diaphragm chuck body 1 is provided with an oil inlet 11 and an oil outlet 12, the use principle of the hydraulic elastic diaphragm chuck body 1, the oil filling and oil discharge method are conventional technical means, and this application will not be described in detail; a mounting plate 2 mounted on the hydraulic elastic diaphragm chuck body 1, the mounting plate 2 and the hydraulic elastic diaphragm chuck body 1 are combined by a conventional method; a rectangular groove is opened in the center of the mounting plate 2, the mounting plate 2 is mounted on the outer side of the oil inlet 11 and the oil outlet 12, a symmetrically distributed connecting block 3 is provided on the mounting plate 2, and the connecting block 3 is combined with the mounting plate 2 by a conventional method; a clamping piece connected to one end of the connecting block 3 away from the mounting plate 2, comprising a fixing frame 4 of a vertical connecting block 3, a clamping plate installed inside the fixing frame 4, the fixing frame 4 and the connecting block 3 are combined by a conventional method, the fixing frame 4 is sleeved on the corresponding oil inlet 11 or oil outlet 12 outside, the supporting plate comprises a fixing frame 4, a connecting spring plate 61 connected to the connecting spring plate 61, a clamping spring plate 62 symmetrically distributed on the connecting spring plate 61, and an extension plate 63 connected to the end of the clamping spring plate 62 away from the connecting spring plate 61. The connecting spring plate 61 and the fixing frame 4 are combined by conventional methods. The clamping spring plate 62 supports the corresponding oil inlet 11 or oil outlet 12 to prevent the oil inlet 11 or oil outlet 12 from loosening; the adjustment component installed on the mounting plate 2 includes a bottom block 51 connected to the mounting plate 2, and a pull rod 52 slidably connected to the bottom block 51. , a contraction spring 53 installed in the bottom block 51, a movable column 54 with one end passing through the bottom block 51 and connected to the pulling rod 52, and a clamping column 541 connected to the end of the movable column 54. The bottom block 51 and the mounting plate 2 are combined by conventional methods. The pulling rod 52 is pressed to compress the contraction spring 53. The movable column 54 moves to the clamping column 541 and is inserted into the interior of the fixed frame 4. The clamping column 541 presses the extension plate 63, so that the deformed clamping spring plate 62 clamps the corresponding oil inlet 11 or oil outlet 12.

[0026] In this embodiment, the connecting spring plate 61 is an open isosceles trapezoidal shape, and the inner surface of the curved clamping spring plate 62 is provided with a buffer rubber pad 621, which increases damping and flexibly contacts the oil inlet 11 or the oil outlet 12.

[0027] In this embodiment, curved protrusions are provided on the opposite surfaces of the opposing extension plates 63, and the clamping column 541 is tangent to the curved surface of the protrusion. The friction between the clamping column 541 and the protrusion is small, which is conducive to the insertion of the clamping column 541 into the interior of the fixed frame 4.

[0028] In this embodiment, the end of the movable column 54 away from the pulling rod 52 is a forked "Y"-shaped structure, a movable groove is provided in the middle position of the bottom block 51, and a long hole connected to the movable groove is provided on the outer surface of the bottom block 51. The movable column 54 passes through the long hole, and the movable column 54 is slidably connected to the bottom block 51, and the pulling rod 52 is slidably connected to the bottom block 51. The end of the pulling rod 52 located inside the bottom block 51 is provided with an extrusion block, and the two ends of the contraction spring 53 are respectively connected to the bottom block 51 and the extrusion block, and the movable column 54 is connected to the extrusion block. The pulling rod 52 is pressed, and the pulling rod 52 and the movable column 54 slide in the same direction, so that the contraction spring 53 is in a compressed state, and the movable column 54 moves to the inside of the fixed frame 4 with the clamping column 541, and the clamping column 541 presses the extension plate 63, so that the deformed clamping spring plate 62 clamps the corresponding oil inlet 11 or oil outlet 12.

[0029] In this embodiment, a limiting rod 511 penetrating the contraction spring 53 is provided in the bottom block 51 . The limiting rod 511 is embedded in the extrusion round block and the pulling rod 52 . The limiting rod 511 serves as a limit for the contraction spring 53 .

[0030] In this embodiment, a groove is provided on the surface of the moving column 54, and one end of the connecting block 3 is open. A return spring 31 and a toggle plate 32 are provided in the open end of the connecting block 3. The two ends of the return spring 31 are respectively connected to the inner surface of the connecting block 3 and the toggle plate 32. The toggle plate 32 is provided with a protrusion 321 that cooperates with the groove. When the toggle plate 32 rotates, the return spring 31 is in a contracted state. After the moving column 54 moves to a suitable position, the toggle plate 32 reset under the action of the return spring 31 fits with the moving column 54, and the protrusion 321 is embedded in the groove of the moving column 54, so that the moving column 54 is limited.

[0031] The working principle and use process of this utility model:

[0032] When the hydraulic elastic diaphragm chuck body 1 is used, the mounting plate 2 is mounted on the outer surface of the hydraulic elastic diaphragm chuck body 1 by conventional methods;

[0033] The pull rod 52 is pressed, and the pull rod 52 and the movable column 54 slide in the same direction, so that the contraction spring 53 is in a compressed state;

[0034] At the same time, the toggle plate 32 is toggled, the toggle plate 32 rotates, and the return spring 31 is in a contracted state;

[0035] The movable column 54 moves until the clamping column 541 is inserted into the interior of the fixed frame 4. The clamping column 541 presses the extension plate 63, causing the deformed clamping spring plate 62 to clamp the corresponding oil inlet 11 or oil outlet 12.

[0036] The toggle plate 32 is released, and the toggle plate 32 is reset under the action of the reset spring 31 and fits against the movable column 54. The protrusion 321 is embedded in the groove of the movable column 54, so that the movable column 54 is limited.

[0037] To sum up: the hydraulic elastic diaphragm chuck body 1 is designed to clamp the oil inlet 11 and the oil outlet 12, the mounting plate 2 is installed on the hydraulic elastic diaphragm chuck body 1, the fixed frame 4 is sleeved on the outside of the corresponding oil inlet 11 or the oil outlet 12, the pulling rod 52 moves, and the clamping column 541 is inserted into the interior of the fixed frame 4, and the clamping column 541 presses the extension plate 63, so that the deformed clamping spring plate 62 clamps the corresponding oil inlet 11 or the oil outlet 12.

[0038] Although embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Hydraulic elastic diaphragm chuck, characterized by: include A hydraulic elastic diaphragm chuck body (1), wherein the hydraulic elastic diaphragm chuck body (1) is provided with an oil inlet (11) and an oil outlet (12); A mounting plate (2) mounted on the hydraulic elastic diaphragm chuck body (1), wherein the mounting plate (2) is provided with symmetrically distributed connecting blocks (3); A clamping member connected to an end of the connecting block (3) away from the mounting plate (2), comprising a fixing frame (4) perpendicular to the connecting block (3), a clamping plate installed inside the fixing frame (4), the clamping plate comprising a connecting spring plate (61) connected to the fixing frame (4), clamping spring plates (62) symmetrically distributed on the connecting spring plate (61), and an extension plate (63) connected to an end of the clamping spring plate (62) away from the connecting spring plate (61); An adjusting assembly mounted on a mounting plate (2) comprises a bottom block (51) connected to the mounting plate (2), a draw rod (52) slidably connected to the bottom block (51), a contraction spring (53) mounted in the bottom block (51), a moving column (54) one end of which penetrates into the bottom block (51) and is connected to the draw rod (52), and a clamping column (541) connected to the end of the moving column (54).

2. The hydraulic elastic diaphragm chuck according to claim 1, characterized in that: The connecting spring plate (61) is in the shape of an open isosceles trapezoid, and a buffer rubber pad (621) is provided on the inner surface of the curved clamping spring plate (62).

3. The hydraulic elastic diaphragm chuck according to claim 1, characterized in that: The opposite extension plates (63) are provided with curved protrusions on their opposite surfaces, and the clamping column (541) is tangent to the curved surface of the protrusions.

4. The hydraulic elastic diaphragm chuck according to claim 1, characterized in that: The end of the movable column (54) away from the pulling rod (52) is a forked "Y"-shaped structure, a movable groove is provided in the middle position of the bottom block (51), and a long hole connected to the movable groove is provided on the outer surface of the bottom block (51), and the movable column (54) passes through the long hole, and the movable column (54) is slidably connected to the bottom block (51).

5. The hydraulic elastic diaphragm chuck according to claim 1, characterized in that: The pulling rod (52) is slidably connected to the bottom block (51), and one end of the pulling rod (52) located inside the bottom block (51) is provided with an extrusion round block, and the two ends of the contraction spring (53) are respectively connected to the bottom block (51) and the extrusion round block, and the movable column (54) is connected to the extrusion round block.

6. The hydraulic elastic diaphragm chuck according to claim 1, characterized in that: A limiting rod (511) penetrating the contraction spring (53) is provided in the bottom block (51), and the limiting rod (511) is embedded in the extrusion round block and the pulling rod (52).

7. The hydraulic elastic diaphragm chuck according to claim 1, characterized in that: A groove is provided on the surface of the movable column (54); one end of the connecting block (3) is open; a return spring (31) and a toggle plate (32) are provided in the open end of the connecting block (3); the two ends of the return spring (31) are respectively connected to the inner surface of the connecting block (3) and the toggle plate (32); and the toggle plate (32) is provided with a protrusion (321) that cooperates with the groove.

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