Machining clamp suitable for magnesium alloy products of various sizes

Abstract

The embodiment of the utility model discloses a processing clamp suitable for magnesium alloy products of various sizes, which comprises a bridge plate, four groups of hydraulic jigs are arranged on the bridge plate, each hydraulic jig comprises two oil pressure single-acting cylinders and four corner cylinders, two corner cylinders and two oil pressure single-acting cylinders form a row, the two corner cylinders are positioned below the two oil pressure single-acting cylinders, and the four corner cylinders are positioned below the two oil pressure single-acting cylinders. Wherein a first limiting block is arranged at the lower end of one oil pressure single-acting cylinder, a plurality of positioning bottom blocks are arranged between the corner cylinder located at the lower end of the oil pressure single-acting cylinder and the corner cylinder located at the upper end of the oil pressure single-acting cylinder, and two second limiting blocks are arranged at the lower ends of the positioning bottom blocks.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a processing clamp suitable for magnesium alloy products of various sizes. Background Art

[0002] Extruded aluminum alloy products are made by extrusion process, and then machined to obtain the required shape and size. Magnesium alloy products have various models and sizes. When two magnesium alloy products have different sizes, the traditional method is to use one fixture for each model, which leads to high costs. Some also use assembly fixtures. When clamping long products, another fixture is installed on the CNC, and disassembling and assembling the fixture is time-consuming and labor-intensive. Utility Model Content

[0003] The utility model provides a processing fixture suitable for magnesium alloy products of various sizes, which can clamp magnesium alloy products of various sizes and reduce the cost of the fixture.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model discloses a processing fixture suitable for magnesium alloy products of various sizes, comprising a bridge plate, wherein 4 groups of hydraulic jigs are arranged on the bridge plate, the hydraulic jigs comprising 2 oil pressure single-acting cylinders and 4 corner cylinders, wherein 2 corner cylinders and 2 oil pressure single-acting cylinders form a row, the 2 corner cylinders are located below the 2 oil pressure single-acting cylinders, a limiting block 1 is arranged at the lower end of one of the oil pressure single-acting cylinders, a plurality of positioning bottom blocks are arranged between the corner cylinder at the lower end of the oil pressure single-acting cylinder and the corner cylinder at the upper end, and 2 limiting blocks 2 are arranged at the lower end of the positioning bottom block.

[0006] Preferably, the axis of the hydraulic single-acting cylinder is parallel to the upper end surface of the bridge plate, the hydraulic single-acting cylinder is installed on the cylinder seat, the cylinder seat is installed on the bridge plate, and one of the hydraulic single-acting cylinders is arranged between the two corner cylinders.

[0007] Preferably, a pressure block 1 is installed at the output end of the angle cylinder located on both sides of the hydraulic single-acting cylinder, and a pressure block 2 and a pressure block 3 are installed at the output ends of the other two angle cylinders respectively.

[0008] Preferably, the limit block 1 includes a mounting portion and two limit portions, the mounting portion is mounted on the bridge plate, the two limit portions are arranged on the mounting portion, a gap is provided between the two mounting portions, and the hydraulic single-acting cylinder faces the gap between the two mounting portions.

[0009] Preferably, two groups of hydraulic jigs are provided on the left side of the bridge plate, and two groups of hydraulic jigs are provided on the right side of the bridge plate, and two support blocks one and two support blocks two are provided between the two groups of hydraulic jigs on the left side and the two groups of hydraulic jigs on the right side.

[0010] Preferably, the two groups of hydraulic fixtures located on the right side are respectively provided with a corner cylinder, and a pressure block 1 is installed at the output end of the corner cylinder. A limit block 2 is also provided at the lower end of the corner cylinder, and the limit block 2 is located on the same horizontal line as the limit block 1 located on the right side of the limit block 2.

[0011] Preferably, the bridge plate is provided with 4 positioning holes, which are evenly divided into 2 groups, one group of positioning holes is located on the left side of the 2 groups of hydraulic fixtures on its left side, and the other group of positioning holes is located on the left side of the 2 groups of hydraulic fixtures on its right side;

[0012] When used for clamping short products, locating columns are installed at the middle set of locating holes.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model arranges 4 groups of hydraulic fixtures on the bridge plate, which can clamp both long products and short products, has good versatility, reduces the types of fixtures, reduces the cost of fixtures, and facilitates switching operations to improve efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of an embodiment of the utility model when being used to clamp a long product.

[0016] Figure 2 It is a schematic diagram of an embodiment of the utility model used for clamping a short product.

[0017] Figure 3 This is a schematic diagram of the application of the embodiment of the utility model for clamping a long product.

[0018] Figure 4 It is a schematic diagram of the application of clamping a short product in an embodiment of the utility model.

[0019] Figure 5 It is a top view of the embodiment of the utility model when used to clamp a long product.

[0020] Figure 6 It is a schematic diagram of a bridge plate according to an embodiment of the utility model.

[0021] Figure 7 It is a schematic diagram of a limit block according to an embodiment of the utility model.

[0022] Figure 8 It is a schematic diagram of a limit block in an embodiment of the utility model from another viewing angle. DETAILED DESCRIPTION

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

[0024] As shown in the figure, the utility model discloses a processing fixture suitable for magnesium alloy products of various sizes, including a bridge plate 1, both ends of the bridge plate 1 are mounted on equal height blocks 2, and the equal height blocks 2 are mounted on a machine tool. Four groups of hydraulic jigs are arranged on the bridge plate 11, and the hydraulic jigs include two oil hydraulic single-acting cylinders 3 and four corner cylinders 4, wherein two corner cylinders 4 and two oil hydraulic single-acting cylinders 3 form a row, and two corner cylinders 4 are located below the two oil hydraulic single-acting cylinders 3, and a limit block 1 5 is provided at the lower end of one of the oil hydraulic single-acting cylinders 3, and a plurality of positioning bottom blocks 6 are provided between the corner cylinder at the lower end of the oil hydraulic single-acting cylinder 3 and the corner cylinder at the upper end, and two limit blocks 2 7 are provided at the lower end of the positioning bottom block 6. When clamping a short product A, each short product A is clamped by the hydraulic jig, and then the machine tool cuts off and processes the upper left corner of the short product A, Figure 4 The short product A in the figure is a finished product. Before being cut off, the upper left corner of the short product A is in contact with the hydraulic single-acting cylinder 3 at the upper left corner and the positioning column 16 at the far left.

[0025] The clamping of the long product B is as follows Figure 3 .

[0026] In one embodiment of the utility model, the axis of the hydraulic single-acting cylinder 3 is parallel to the upper end surface of the bridge plate 1, and the hydraulic single-acting cylinder 3 is installed on the cylinder seat 8, and the cylinder seat 8 is installed on the bridge plate 1, and one hydraulic single-acting cylinder 3 is placed between two corner cylinders 4. The hydraulic single-acting cylinder 3 clamps the side of the product.

[0027] In one embodiment of the utility model, the output ends of the angle cylinders on both sides of the hydraulic single-acting cylinder 3 are installed with a pressure block 1 9, and the output ends of the other two angle cylinders are respectively installed with a pressure block 2 10 and a pressure block 3 11. The angle cylinder 4 drives the pressure block 1 9, the pressure block 2 10 and the pressure block 3 11 to press the top of the product.

[0028] In an embodiment of the utility model, the limit block 1 5 includes a mounting portion 51 and two limit portions 52, the mounting portion 51 is mounted on the bridge plate 1, the two limit portions 52 are arranged on the mounting portion 51, a gap is arranged between the two mounting portions 51, and the hydraulic single-acting cylinder 3 faces the gap between the two mounting portions 51. The limit block 1 5 supports the product.

[0029] In one embodiment of the utility model, two groups of hydraulic jigs are provided on the left side of the bridge plate 1, and two groups of hydraulic jigs are provided on the right side of the bridge plate, and two support blocks 12 and two support blocks 2 13 are provided between the two groups of hydraulic jigs on the left side and the two groups of hydraulic jigs on the right side. The support blocks 12 and 13 support the long product B.

[0030] In one embodiment of the utility model, the two groups of hydraulic fixtures located on the right are respectively provided with a corner cylinder 4, and a pressure block 9 is installed at the output end of the corner cylinder 4. The lower end of the corner cylinder 4 is also provided with a limit block 14, and the limit block 14 is located on the same horizontal line as the limit block 1 5 located on the right side of the limit block 2. The corner cylinder 4 here is used to press the long product B. The limit block 14 is used to support the long product B.

[0031] In one embodiment of the utility model, four positioning holes 15 are provided on the bridge plate 1, and the four positioning holes 5 are evenly divided into two groups, one group of positioning holes 15 is located on the left side of the two groups of hydraulic fixtures on the left side thereof, and the other group of positioning holes is located on the left side of the two groups of hydraulic fixtures on the right side;

[0032] When used for clamping short product A, the middle set of positioning holes is equipped with positioning column 16. When used for long product B, the middle set of positioning holes is not equipped with positioning column 16. Positioning hole 5 is used to install positioning column 16. Positioning column 16 is used to position the leftmost side of the product.

[0033] The above contents are merely examples and explanations of the structure of the present utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the present utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the present utility model.

Claims

1. Suitable for processing magnesium alloy products of various sizes, characterized by: It includes a bridge plate, and 4 groups of hydraulic fixtures are arranged on the bridge plate. The hydraulic fixtures include 2 oil hydraulic single-acting cylinders and 4 corner cylinders, wherein 2 corner cylinders and 2 oil hydraulic single-acting cylinders form a row, and 2 corner cylinders are located below the 2 oil hydraulic single-acting cylinders, and a limit block 1 is arranged at the lower end of one of the oil hydraulic single-acting cylinders, and a plurality of positioning bottom blocks are arranged between the corner cylinder at the lower end of the oil hydraulic single-acting cylinder and the corner cylinder at the upper end, and 2 limit blocks 2 are arranged at the lower end of the positioning bottom block.

2. The processing fixture suitable for magnesium alloy products of various sizes according to claim 1 is characterized in that: The axis of the hydraulic single-acting cylinder is parallel to the upper end surface of the bridge plate. The hydraulic single-acting cylinder is installed on a cylinder seat, and the cylinder seat is installed on the bridge plate. One of the hydraulic single-acting cylinders is arranged between two corner cylinders.

3. The processing fixture suitable for magnesium alloy products of various sizes according to claim 2 is characterized in that: A pressure block 1 is installed at the output end of the angle cylinder located on both sides of the hydraulic single-acting cylinder, and a pressure block 2 and a pressure block 3 are installed at the output ends of the other two angle cylinders respectively.

4. The processing fixture suitable for magnesium alloy products of various sizes according to claim 1 is characterized in that: The limit block 1 includes a mounting portion and two limit portions, the mounting portion is mounted on the bridge plate, the two limit portions are arranged on the mounting portion, a gap is arranged between the two mounting portions, and the hydraulic single-acting cylinder faces the gap between the two mounting portions.

5. The processing fixture suitable for magnesium alloy products of various sizes according to claim 1 is characterized in that: Two groups of hydraulic jigs are arranged on the left side of the bridge plate, and two groups of hydraulic jigs are arranged on the right side of the bridge plate. Two support blocks one and two support blocks two are arranged between the two groups of hydraulic jigs on the left side and the two groups of hydraulic jigs on the right side.

6. The processing fixture suitable for magnesium alloy products of various sizes according to claim 5 is characterized in that: The two groups of hydraulic fixtures on the right are respectively provided with corner cylinders, and a pressure block 1 is installed at the output end of the corner cylinder. A limit block 2 is also provided at the lower end of the corner cylinder. The limit block 2 and the limit block 1 located on the right side of the limit block 2 are located on the same horizontal line.

7. The processing fixture suitable for magnesium alloy products of various sizes according to claim 5 is characterized in that: There are 4 positioning holes on the bridge plate, which are evenly divided into 2 groups. One group of positioning holes is located on the left side of the 2 groups of hydraulic fixtures on its left side, and the other group of positioning holes is located on the left side of the 2 groups of hydraulic fixtures on the right side. When used for clamping short products, locating columns are installed at the middle set of locating holes.

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