Annular workpiece self-centering hydraulic clamp

Abstract

The utility model belongs to the technical field of metal cutting machining, and particularly relates to an annular workpiece self-centering hydraulic clamp which comprises a clamp pedestal. A first bottom plate is mounted at the top of the clamp pedestal; a chuck core is mounted in the middle of the first bottom plate; a sliding frame is mounted along the top of the first bottom plate; an oil distribution block is mounted in the middle of the first bottom plate; the oil distribution blocks are uniformly distributed in the middle of the first bottom plate; the top of the first bottom plate is fixedly connected with a clamping assembly. A protection assembly is mounted at the top of the first bottom plate; the center of the circle of an annular workpiece can be centered through the chuck core, the annular workpiece can be supported through the clamp pedestal and the first bottom plate, the annular workpiece can be adaptively clamped through the clamping assembly guided by the sliding frame, hydraulic oil in the clamp pedestal can be reasonably distributed through the oil distribution block, and the clamping assembly can be used for clamping the annular workpiece. Therefore, the self-centering hydraulic clamp can adapt to different clamping conditions, and the clamping use cost of the self-centering hydraulic clamp for the annular workpiece is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to metal cutting processing technical field, specifically a kind of annular workpiece self-centering hydraulic fixture. BACKGROUND

[0002] Annular workpiece refers to the workpiece with ring or circular structure, commonly used in various industrial production, annular workpiece is widely used in machining, for example, in the machining of aeronautical parts, the clamping device of annular workpiece can solve the problem of not firm clamping and easy to rotate along the shaft in traditional technology, improve clamping stability, so as to improve machining quality and production efficiency.

[0003] Annular workpiece fixture is a device for fixing and clamping annular workpiece, the design of such fixture aims to provide stable clamping force to ensure that the workpiece remains stable during machining, thereby improving machining quality and production efficiency.

[0004] After long-term use, it is found that the existing annular workpiece fixture will not be easy to adjust when facing different specifications of annular workpiece, so different specifications of fixture need to be replaced, which is not conducive to the continuous production of annular workpiece, and the cost of large chuck is too high.

[0005] Therefore, the utility model provides a kind of annular workpiece self-centering hydraulic fixture. UTILITY MODEL CONTENT

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art.

[0007] The utility model solves the technical scheme that the utility model discloses a kind of annular workpiece self-centering hydraulic fixture, including fixture pad seat;The first bottom plate is installed at the top of the fixture pad seat;The chuck core is installed in the middle of the first bottom plate;Sliding frame is installed at the top of the first bottom plate;The oil distribution block is installed in the middle of the first bottom plate;The oil distribution block is evenly distributed in the middle of the first bottom plate;The clamping assembly is fixedly connected on the top of the first bottom plate;The protection assembly is installed on the top of the first bottom plate;Through the above structure, the setting of chuck core can center the center of annular workpiece, the setting of fixture pad seat and first bottom plate can support annular workpiece, the clamping assembly guided by sliding frame can adapt to clamping of annular workpiece, the setting of oil distribution block can reasonably distribute hydraulic oil in the inside of fixture pad seat to adapt to different clamping conditions, reduce the clamping use cost of annular workpiece self-centering hydraulic fixture.

[0008] Preferably, the clamping assembly comprises a second base plate; the second base plate is fixed on the top of the first base plate; a sliding groove frame is fixed on the top of the second base plate; a sliding plate is slidably connected with the side wall of the sliding groove frame; a positioning assembly is fixed on the top of the sliding plate; the positioning assembly is slidably connected with the bottom of the sliding frame; through the above structure, the position of the sliding plate and the sliding groove frame can be adjusted by the sliding connection between the positioning assembly and the bottom of the sliding frame, so that the annular workpiece is adaptively clamped, and the adaptive clamping effect of the self-centering hydraulic clamp for the annular workpiece is further enhanced.

[0009] Preferably, the positioning assembly comprises a positioning block; the positioning block is engaged with the top of the sliding plate; through the above structure, the positioning block can be adjusted in position under the guidance of the sliding frame to clamp the annular workpiece, and the positioning and guiding effect of the self-centering hydraulic clamp for the annular workpiece is further enhanced.

[0010] Preferably, the end of the sliding plate is fixedly connected with a connecting plate; a top block is slidably connected with the middle of the connecting plate; through the above structure, the top block and the connecting plate are arranged to calibrate the center of the annular workpiece, and the calibration effect of the self-centering hydraulic clamp for the annular workpiece is further enhanced.

[0011] Preferably, the top of the first base plate is fixedly connected with a T-shaped seat; a baffle is fixedly connected with the side wall of the T-shaped seat; through the above structure, the T-shaped seat and the baffle can block the second base plate from the annular assembly, so that the annular assembly is prevented from being separated from the top of the first base plate during clamping, and the blocking effect of the self-centering hydraulic clamp for the annular workpiece is further enhanced.

[0012] Preferably, the other end of the sliding plate is fixedly connected with a buffer plate; rubber convex balls are fixedly connected with the side wall of the buffer plate; the rubber convex balls are uniformly distributed on the side wall of the buffer plate; through the above structure, the buffer plate and the rubber convex balls can buffer when the other group of sliding plates contacts the annular workpiece, and the buffering effect of the self-centering hydraulic clamp for the annular workpiece is further enhanced.

[0013] Preferably, a fixed reference block is mounted on the outer side wall of the clamp base; the fixed reference blocks are uniformly distributed on the outer side of the clamp base; through the above structure, the fixed reference blocks can make the clamp base and the first base plate more stable in use, and the stable use effect of the self-centering hydraulic clamp for the annular workpiece is further enhanced.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The utility model relates to a self-centering hydraulic clamp for annular workpieces, which can center the center of the annular workpiece through the setting of the chuck core, support the annular workpiece through the setting of the clamp base and the first bottom plate, adaptively clamp the annular workpiece through the clamping assembly guided by the sliding frame, and reasonably distribute the hydraulic oil in the clamp base to adapt to different clamping conditions, thereby reducing the clamping use cost of the self-centering hydraulic clamp for annular workpieces.

[0016] 2. The utility model relates to a self-centering hydraulic clamp for annular workpieces, which can adjust the position through the sliding cooperation of the positioning assembly and the bottom of the sliding frame, and adaptively clamp the annular workpiece, thereby further enhancing the adaptive clamping effect of the self-centering hydraulic clamp for annular workpieces. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described below in combination with the drawings.

[0018] Figure 1 is the perspective view of the utility model;

[0019] Figure 2 is the oil distribution block structure schematic view in the utility model;

[0020] Figure 3 is the positioning block structure schematic view in the utility model;

[0021] Figure 4 is the buffer plate structure schematic view in the utility model.

[0022] In the drawing: 1, clamp base; 11, first bottom plate; 12, chuck core; 13, sliding frame; 14, oil distribution block; 2, second bottom plate; 21, sliding plate; 22, sliding groove frame; 3, positioning block; 4, top block; 41, connecting plate; 5, T-shaped seat; 51, baffle; 6, buffer plate; 61, rubber convex ball; 7, fixed reference block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model will be further described below in combination with the specific implementation mode.

[0024] For example, Figures 1 to 4As shown, the utility model discloses a kind of self-centering hydraulic clamps of annular workpiece, including clamp pad seat 1;Clamp pad seat 1 top is equipped with first bottom plate 11;First bottom plate 11 middle part is equipped with chuck core 12;First bottom plate 11 top is equipped with sliding frame 13;First bottom plate 11 middle part is equipped with oil distribution block 14;Oil distribution block 14 is evenly distributed in first bottom plate 11 middle part;First bottom plate 11 top is fixed with clamping assembly;First bottom plate 11 top is equipped with protection assembly;When working, the circular center of the annular workpiece needing to be clamped is positioned by chuck core 12, the annular workpiece can be placed by clamp pad seat 1 and first bottom plate 11, clamping assembly can be guided and limited by sliding frame 13, the hydraulic oil in first bottom plate 11 can be reasonably distributed by oil distribution block 14, supply each clamping assembly individual, the annular workpiece positioned by chuck core 12 is adaptably clamped and fixed, when facing different specifications of annular workpiece, chuck does not need to be replaced;The circular center of the annular workpiece can be centered by the setting of chuck core 12, the annular workpiece can be supported by the setting of clamp pad seat 1 and first bottom plate 11, the annular workpiece can be adaptively clamped by the clamping assembly guided by sliding frame 13, the hydraulic oil in clamp pad seat 1 can be reasonably distributed by the setting of oil distribution block 14 to adapt to different clamping conditions, reduce the clamping use cost of annular workpiece self-centering hydraulic clamp.

[0025] As Figures 1 to 4 Shown, clamping assembly includes second bottom plate 2;Second bottom plate 2 is fixed on first bottom plate 11 top;Second bottom plate 2 top is fixed with sliding groove frame 22;Sliding groove frame 22 side wall is slidably connected with sliding plate 21;Sliding plate 21 top is fixed with positioning assembly;Positioning assembly and sliding frame 13 bottom are slidably connected;When working, the positioning assembly and sliding frame 13 can be used to adaptively clamp the annular workpiece needing to be clamped by the sliding cooperation between sliding plate 21 and sliding groove frame 22;The position of positioning assembly and sliding frame 13 bottom can be adjusted by the setting of sliding plate 21 and sliding groove frame 22, and then the annular workpiece is adaptively clamped, further strengthen the adaptive clamping effect of annular workpiece self-centering hydraulic clamp.

[0026] As Figures 1 to 3 Shown, positioning assembly includes positioning block 3;Positioning block 3 and sliding plate 21 top are engaged;When working, the annular workpiece needing to be clamped is clamped by adjusting the relevant position of sliding plate 21 under the guidance of sliding frame 13 by positioning block 3;The annular workpiece is clamped by adjusting position under the guidance of sliding frame 13 by the setting of positioning block 3, further strengthen the positioning guide effect of annular workpiece self-centering hydraulic clamp.

[0027] As Figures 1 to 4As shown in the figure, the end of the sliding plate 21 is fixedly connected with the connecting plate 41; the middle of the connecting plate 41 is slidingly matched with the top block 4; during operation, the annular workpiece can be pressed against the annular workpiece by the top block 4 and the connecting plate 41 before the sliding plate 21 contacts the annular workpiece, and the annular workpiece can be concentrically calibrated by the synchronous movement of the sliding plate 21; the concentric calibration of the annular workpiece by the top block 4 and the connecting plate 41 further enhances the calibration effect of the self-centering hydraulic clamp for the annular workpiece.

[0028] As shown in the figure, Figures 1 to 2 As shown in the figure, the top of the first bottom plate 11 is fixedly connected with the T-shaped seat 5; the side wall of the T-shaped seat 5 is fixedly connected with the baffle 51; during operation, the annular assembly that needs to be clamped can be blocked by the T-shaped seat 5, and the damage caused by the direct contact between the annular assembly and the T-shaped seat 5 can be avoided by the baffle 51; the annular assembly can be blocked by the second bottom plate 2 by the T-shaped seat 5 and the baffle 51, so as to avoid the annular assembly from being separated from the top of the first bottom plate 11 during clamping, and the blocking effect of the self-centering hydraulic clamp for the annular workpiece is further enhanced.

[0029] As shown in the figure, Figures 1 to 4 As shown in the figure, the end of the other group of sliding plates 21 is fixedly connected with the buffer plate 6; the side wall of the buffer plate 6 is fixedly connected with the rubber convex ball 61; the rubber convex balls 61 are evenly distributed on the side wall of the buffer plate 6; the other group of sliding plates 21 can be buffered when contacting the annular workpiece by the buffer plate 6 and the rubber convex ball 61, and the buffering effect of the self-centering hydraulic clamp for the annular workpiece is further enhanced.

[0030] As shown in the figure, Figure 1 As shown in the figure, the outer side wall of the clamp base 1 is installed with the fixed reference block 7; the fixed reference block 7 is evenly distributed on the outer side of the clamp base 1; during operation, the clamp base 1 and the first bottom plate 11 can be more stable by the fixed reference block 7, and the first bottom plate 11 will not be displaced or misaligned due to the operation of the hydraulic device; the use of the clamp base 1 and the first bottom plate 11 can be more stable by the fixed reference block 7, and the use stability effect of the self-centering hydraulic clamp for the annular workpiece is further enhanced.

[0031] When working, the annular workpiece to be clamped is positioned at the center by the chuck core 12, the annular workpiece can be placed by the clamp base 1 and the first bottom plate 11, the clamping assembly can be guided and limited by the sliding frame 13, the hydraulic oil in the first bottom plate 11 can be reasonably distributed by the oil distribution block 14, and each clamping assembly is supplied, so that the annular workpiece positioned at the center by the chuck core 12 is clamped and fixed, and the chuck does not need to be replaced when facing annular workpieces of different specifications, the annular workpiece to be clamped can be clamped by the positioning assembly and the sliding frame 13 through the sliding cooperation between the sliding plate 21 and the sliding groove frame 22, the annular workpiece to be clamped can be clamped by adjusting the relative position of the sliding plate 21 under the guidance of the sliding frame 13 through the positioning block 3, the annular workpiece to be clamped can be clamped by the sliding plate 21 before contacting the annular workpiece through the top block 4 and the connecting plate 41, because the sliding plate 21 moves synchronously, the annular workpiece can be calibrated at the center, the annular assembly to be clamped can be blocked by the T-shaped seat 5, the damage caused by the direct contact between the annular assembly and the T-shaped seat 5 can be reduced by the baffle 51, the direct contact between the sliding plate 21 and the annular workpiece can be reduced by the buffer plate 6 and the rubber convex ball 61, the damage caused by the hydraulic clamping can be reduced, the clamp base 1 and the first bottom plate 11 can be more stable by the fixed reference block 7, and the first bottom plate 11 will not be displaced and dislocated due to the operation of the hydraulic device.

[0032] The basic principle, main features and advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A self-centering hydraulic clamp for annular workpieces, comprising a clamping pad (1); characterized in that: The clamp pad (1) is topped with a first base plate (11); a chuck core (12) is installed in the middle of the first base plate (11); a slide (13) is installed along the top of the first base plate (11); an oil distribution block (14) is installed in the middle of the first base plate (11); the oil distribution block (14) is evenly distributed in the middle of the first base plate (11); a clamping assembly is fixedly connected to the top of the first base plate (11); and a protective assembly is installed on the top of the first base plate (11).

2. The self-centering hydraulic clamp for annular workpieces according to claim 1, characterized in that: The clamping assembly includes a second base plate (2); the second base plate (2) is fixed to the top of the first base plate (11); a slide rail frame (22) is fixed to the top of the second base plate (2); a slide plate (21) is slidably fitted on the side wall of the slide rail frame (22); a positioning assembly is fixed to the top of the slide plate (21); the positioning assembly is slidably fitted to the bottom of the slide frame (13).

3. The self-centering hydraulic clamp for annular workpieces according to claim 2, characterized in that: The positioning component includes a positioning block (3); the positioning block (3) engages with the top of the slide plate (21).

4. The self-centering hydraulic clamp for annular workpieces according to claim 2, characterized in that: The end of the slide plate (21) is fixedly connected to a connecting plate (41); a top block (4) is slidably fitted in the middle of the connecting plate (41).

5. A self-centering hydraulic clamp for annular workpieces according to claim 1, characterized in that: A T-shaped seat (5) is fixedly connected to the top of the first base plate (11); a baffle (51) is fixedly connected to the side wall of the T-shaped seat (5).

6. A self-centering hydraulic clamp for annular workpieces according to claim 2, characterized in that: Another set of the slide plates (21) are fixed to the end of a buffer plate (6); the buffer plate (6) is fixed to the side wall of a rubber convex ball (61); the rubber convex ball (61) is evenly distributed on the side wall of the buffer plate (6).

7. A self-centering hydraulic clamp for annular workpieces according to claim 1, characterized in that: A fixing reference block (7) is installed on the outer wall of the clamp pad (1); the fixing reference block (7) is evenly distributed on the outer side of the clamp pad (1).

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