High-efficiency front hydraulic vehicle clamp

Abstract

The utility model provides a high-efficiency front hydraulic lathe clamp which is convenient to operate and capable of improving the machining efficiency and ensuring the machining quality. The clamping device comprises a flange plate, the flange plate is provided with a first clamping mechanism and a second clamping mechanism, the first clamping mechanism comprises a thin oil cylinder, a floating pressing plate is clamped at the output end of the thin oil cylinder, the two ends of the floating pressing plate are connected with pulling plates through screws respectively, the pulling plates penetrate through a positioning bottom plate and then are provided with special-shaped pressing plates in a clamped mode respectively, and the special-shaped pressing plates are connected with the thin oil cylinder through screws respectively. The two special-shaped pressing plates are rotationally installed at the two ends of the positioning base respectively, the ends, away from the pulling plate, of the special-shaped pressing plates are pressing ends, the positioning base is installed on the positioning bottom plate, and the positioning base is provided with a positioning pin and a positioning block matched with the end of the special-shaped base part in shape. The pressing end of the special-shaped pressing plate, the positioning pin and the positioning block form positioning and clamping of the top end of the special-shaped base part.

Description

Technical Field

[0001] The utility model relates to the technical field of machining fixtures, in particular to a high-efficiency front hydraulic vehicle fixture structure. Background Art

[0002] When turning a certain conical surface of a special-shaped seat body part, the contour of the hole center and the end face is required to be 0.035. It is a sealing surface in terms of assembly function, but this section of the part structure is far away from the reference element, and this is the part that protrudes from the body of the part. Conventional automatic tooling generally uses chucks, expansion sleeves, etc., but due to the special structure of the parts and the special processing technology, the standard fixture does not match the shape of the special-shaped seat body parts, and standard fixtures cannot be used for clamping and turning. Therefore, after clamping the special-shaped seat body parts, clamping deformation is easy to occur, resulting in low processing quality and processing efficiency. Therefore, how to design the clamping solution of the tooling is very demanding.

[0003] In order to solve the above problems, the utility model provides a hydraulic clamp, which can conveniently achieve stable clamping. Using this structure, the operation is convenient and the positioning is stable, which not only greatly improves the processing efficiency but also ensures the quality. Summary of the invention

[0004] In view of the shortcomings that the existing clamps are prone to clamping deformation when the shapes of special-shaped seat parts do not match, resulting in low processing quality and efficiency, the utility model provides a high-efficiency front hydraulic car clamp, which is easy to operate, can improve processing efficiency and ensure processing quality.

[0005] A high-efficiency front hydraulic vehicle clamp, which includes a flange plate, on which a first clamping mechanism and a second clamping mechanism are installed, and is characterized in that: the first clamping mechanism includes a thin oil cylinder, and the output end of the thin oil cylinder is clamped with a floating pressure plate, and the two ends of the floating pressure plate are respectively connected with pull plates by screws, and the pull plates are respectively clamped with special-shaped pressure plates after passing through a positioning base plate, and the two special-shaped pressure plates are rotatably installed on the two ends of the positioning base, and the end of the special-shaped pressure plate away from the pull plate is a clamping end, and the positioning base is installed on the positioning base plate. The positioning base is provided with a positioning pin and a positioning block matching the end shape of the special-shaped seat body part, and the clamping end of the special-shaped pressure plate, the positioning pin and the positioning block constitute a positioning clamp for the top end of the special-shaped seat body part.

[0006] It is further characterized by:

[0007] The second clamping mechanism includes an oil cylinder and an oil pressure cylinder, the oil cylinder and the oil pressure cylinder are mounted on the lower plate, the lower plate is mounted on the flange, the output end of the oil pressure cylinder is connected to one end of the lever pressure plate, the other end of the lever pressure plate is a clamping end, the lever pressure plate is rotatably mounted on the oil pressure cylinder, the bottom of the clamping end of the lever pressure plate and the top of the output end of the oil cylinder constitute a positioning clamping of the bottom edge of the special-shaped seat body-like parts;

[0008] There are two second clamping mechanisms, wherein a clamping end of a lever pressure plate of one of the second clamping mechanisms is lower than a clamping end of a lever pressure plate of another second clamping mechanism;

[0009] The pressing end of one of the two special-shaped pressing plates is lower than the pressing end of the other special-shaped pressing plate;

[0010] A vertical open groove is arranged at one end of the pressing plate close to the pulling plate, and an "I"-shaped groove is milled at the protruding end of the pulling plate, and the groove walls on both sides of the vertical open groove are inserted into the "I"-shaped groove to realize the clamping connection between the pressing plate and the pulling plate;

[0011] The clamping direction of the first clamping mechanism is a vertical direction, and the clamping direction of the second clamping mechanism is a horizontal direction;

[0012] The flange and the lower plate are provided with oil circuits;

[0013] The oil cylinder is provided with a speed control valve and a muffler.

[0014] After adopting the above structure of the utility model, in the first clamping mechanism, the clamping end of the special-shaped pressure plate, the positioning pin and the positioning block constitute the positioning clamping of the top of the special-shaped seat body parts, realizing the clamping of the special-shaped seat body parts in the vertical direction; in the second clamping mechanism, the bottom of the clamping end of the lever pressure plate and the top of the output end of the oil cylinder constitute the positioning clamping of the bottom edge of the special-shaped seat body parts, realizing the clamping of the special-shaped seat body parts in the horizontal direction. The first clamping mechanism and the second clamping mechanism match the shape of the special-shaped seat body parts, avoiding the generation of clamping deformation, realizing positioning clamping in multiple directions, and improving the processing quality. When clamping the parts, you only need to put the parts in the fixture and then start the oil cylinder. The operation is convenient and standardized, which improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the axonometric view of the utility model;

[0016] Figure 2 A schematic diagram of the main view of the utility model;

[0017] Figure 3 It is a schematic diagram of the utility model from a top view;

[0018] Figure 4 It is a schematic diagram of the utility model from the left side;

[0019] Figure 5 It is a structural schematic diagram of special-shaped seat body parts;

[0020] Figure 6 It is a schematic diagram of the clamping state of special-shaped seat parts of the utility model. DETAILED DESCRIPTION

[0021] See Figures 1 to 6 A highly efficient front hydraulic car clamp includes a flange 1, and the flange 1 is equipped with a first clamping mechanism and a second clamping mechanism: the first clamping mechanism includes a thin oil cylinder 2, and the output end of the thin oil cylinder 2 is clamped with a floating pressure plate 3, and the two ends of the floating pressure plate 3 are respectively connected with a pull plate 4 by screws, and the pull plate 4 passes through the positioning base 5 and is respectively clamped with a special-shaped pressure plate 6, and the two special-shaped pressure plates 6 are rotatably mounted on the two ends of the positioning base 7, and the end of the special-shaped pressure plate 6 away from the pull plate 4 is the clamping end, and the clamping end of one of the two special-shaped pressure plates 6 is lower than the clamping end of the other special-shaped pressure plate, and the positioning base 7 is provided with a positioning pin 8 and a positioning block 9 matching the end shape of the special-shaped seat body part, and the positioning base 7 is installed on the positioning base 5, and the clamping end of the special-shaped pressure plate 6, the positioning pin 8 and the positioning block 9 constitute the positioning clamping of the top of the special-shaped seat body part 10. The shape of the special-shaped pressure plate 6 can avoid the turning area during processing. The clamping direction of the first clamping mechanism is a vertical direction.

[0022] There are two second clamping mechanisms, which include a cylinder 11 and a hydraulic cylinder 12, respectively. The cylinder 11 and the hydraulic cylinder 12 are respectively mounted on the lower plate 13, and the lower plate 13 is respectively mounted on the flange 1. The output end of the hydraulic cylinder 12 is respectively connected to one end of the lever pressure plate 14, and the other end of the lever pressure plate 14 is respectively a clamping end. The lever pressure plate 14 is respectively rotatably mounted on the hydraulic cylinder 12, and the bottom of the clamping end of the lever pressure plate 14 and the top of the output end of the cylinder 11 respectively constitute the positioning clamping of the bottom edge of the special-shaped seat body part 10. The clamping end of the lever pressure plate 14 of one of the second clamping mechanisms is lower than the clamping end of the lever pressure plate 14 of the other second clamping mechanism. The clamping direction of the second clamping mechanism is horizontal.

[0023] A vertical open groove is set at one end of the special-shaped pressing plate 6 close to the pulling plate 4, and an "I"-shaped groove is milled on the protruding end of the pulling plate 4. The groove walls on both sides of the vertical open groove are inserted into the "I"-shaped groove to achieve the clamping connection between the special-shaped pressing plate 6 and the pulling plate 4.

[0024] Oil passages are provided in the flange 1 and the lower plate 13 for conveying the oil required by the thin oil cylinder 2 , the oil cylinder 11 , and the hydraulic cylinder 12 .

[0025] The oil cylinder 11 is provided with a speed control valve 15 and a muffler 16. The speed control valve 15 can control the running speed of the oil cylinder 11, and the muffler 16 is used to reduce the noise during the working process.

[0026] When using, just place the shaped seat body part 10 on the positioning pin 8 and the positioning block 9 in the corresponding direction, manually hold the shaped seat body part 10 to prevent the shaped seat body part 10 from falling off, and then start the clamp switch, the thin oil cylinder 2 drives the floating pressure plate 3 to push forward, the floating pressure plate 3 drives the pull plate 4 to push forward, and the pull plate 4 drives the clamping end of the shaped pressure plate 6 to press the top of the shaped seat body part to complete the vertical clamping. The extended end of the oil cylinder 11 presses upward, and the extended end of the oil cylinder 12 drives the lever pressure plate 14 to press downward. The extended end of the oil cylinder 11 and the lever pressure plate 14 can clamp the bottom edge of the shaped seat body part 10 to complete the horizontal clamping. At this time, you can release your hands and start turning the shaped seat body part 10.

Claims

1. A high-efficiency front hydraulic vehicle clamp, comprising a flange, wherein the flange is provided with a first clamping mechanism and a second clamping mechanism, characterized in that: The first clamping mechanism includes a thin oil cylinder, the output end of the thin oil cylinder is clamped with a floating pressure plate, the two ends of the floating pressure plate are respectively connected with pull plates by screws, the pull plates are respectively clamped with special-shaped pressure plates after passing through the positioning base plate, the two special-shaped pressure plates are rotatably installed on the two ends of the positioning base, the end of the special-shaped pressure plate away from the pull plate is a clamping end, the positioning base is installed on the positioning base, the positioning base is provided with a positioning pin and a positioning block matching the end shape of the special-shaped seat body part, the clamping end of the special-shaped pressure plate, the positioning pin and the positioning block constitute the positioning clamping of the top end of the special-shaped seat body part.

2. The high-efficiency front hydraulic car clamp according to claim 1 is characterized by: The second clamping mechanism includes an oil cylinder and a hydraulic cylinder, the oil cylinder and the hydraulic cylinder are installed on a lower plate, the lower plate is installed on the flange, the output end of the hydraulic cylinder is connected to one end of a lever pressure plate, the other end of the lever pressure plate is a clamping end, the lever pressure plate can be rotatably installed on the hydraulic cylinder, the bottom of the clamping end of the lever pressure plate and the top of the output end of the oil cylinder constitute a positioning clamp for the bottom edge of the special-shaped seat body-like parts.

3. The high-efficiency front hydraulic car clamp according to claim 2 is characterized by: There are two second clamping mechanisms, wherein a clamping end of a lever pressure plate of one of the second clamping mechanisms is lower than a clamping end of a lever pressure plate of another second clamping mechanism.

4. The high-efficiency front hydraulic car clamp according to claim 1 is characterized by: The pressing end of one of the two special-shaped pressing plates is lower than the pressing end of the other special-shaped pressing plate.

5. The high-efficiency front hydraulic car clamp according to claim 1 is characterized by: A vertical open groove is arranged at one end of the pressure plate close to the pull plate, and an "I"-shaped groove is milled at the protruding end of the pull plate. The groove walls on both sides of the vertical open groove are inserted into the "I"-shaped groove to realize the clamping connection between the pressure plate and the pull plate.

6. The high-efficiency front hydraulic car clamp according to claim 1 is characterized by: The clamping direction of the first clamping mechanism is a vertical direction, and the clamping direction of the second clamping mechanism is a horizontal direction.

7. The high-efficiency front hydraulic car clamp according to claim 2 is characterized by: Oil passages are arranged in the flange and the lower plate.

8. The high-efficiency front hydraulic car clamp according to claim 2 is characterized by: The oil cylinder is provided with a speed control valve and a muffler.

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