Clamp capable of calibrating position of workpiece

Abstract

The utility model relates to the technical field of casting processing, and discloses a fixture capable of calibrating the position of a workpiece, which comprises a bottom plate, the top of the bottom plate is slidably connected with a sliding block, the top of the sliding block is fixedly connected with a base, four corners of the top of the base are respectively and fixedly connected with a fixing rod, and the fixing rods are fixedly connected with the bottom plate. The top ends of the four fixing rods are fixedly connected with a supporting plate. According to the clamp capable of calibrating the position of the workpiece, an electric telescopic rod is started to drive a fixing block to vertically move, the fixing block drives a hinge plate to move and pushes a clamping plate, and therefore the clamping plate rotates around a hinge point, and the clamping plate drives a triangular block to move and pushes a casting part; accordingly, the four triangular blocks automatically position, clamp and fix the casting, it is guaranteed that the casting is clamped stably in the machining process, the machining precision is improved, and the machining quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of casting processing, in particular to a clamp which can calibrate the position of a workpiece. Background Art

[0002] A casting is a metal object with a certain shape, size and performance produced by a variety of casting methods. Molten liquid metal is usually poured into a mold and then polished and shaped after cooling. During the shaping process, a fixture is needed to position and fix the casting to ensure that the shaping and polishing equipment can perform finishing operations in the correct position.

[0003] With the continuous production of molded castings, the following problems were found in the process of using fixtures to fix castings:

[0004] 1. Although the existing fixture can stably fix the casting, it is unable to calibrate the position of the casting and cannot ensure that the position of the casting after being fixed is aligned with the position of the molding and grinding equipment;

[0005] 2. In actual production, some workers perform manual calibration, which is not accurate enough and the operation is complicated, making it difficult to accurately calibrate the position of the casting. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In view of the shortcomings of the prior art, the utility model provides a clamp that can calibrate the position of a workpiece. Its advantage is that by starting the electric telescopic rod to drive the fixed block to move vertically, the fixed block drives the hinged plate to move and push the clamping plate, so that the clamping plate rotates around the hinge point, so that the clamping plate drives the triangular block to move and push the casting, so that the four triangular blocks automatically position and clamp the casting, ensuring that the casting is clamped stably during the processing, improving the processing accuracy and ensuring the processing quality.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture capable of calibrating the position of a workpiece, comprising a bottom plate, a slider is slidably connected to the top of the bottom plate, a base is fixedly connected to the top of the slider, a fixing rod is fixedly connected to the top four corners of the top of the base, a support plate is fixedly connected to the top of the four fixing rods, and a positioning clamping mechanism is arranged on the support plate;

[0010] The positioning and clamping mechanism comprises: an installation slot and an electric telescopic rod, the installation slot is arranged at the top of the support plate, the inner wall of the installation slot is hinged with a clamping plate, a triangular block is fixedly connected to the upper right side of the clamping plate, the electric telescopic rod is fixedly installed on the top of the base, the piston end of the electric telescopic rod is fixedly connected with a fixed block, the top of the fixed block is hinged with a hinged plate, and the end of the hinged plate away from the fixed block is hinged to the bottom end of the clamping plate, the electric telescopic rod is started to drive the fixed block to move vertically, the fixed block drives the hinged plate to move and push the clamping plate, so that the clamping plate rotates around the hinge point, so that the clamping plate drives the triangular block to move and push the casting, so that the four triangular blocks automatically position and clamp the casting, ensure the stable clamping of the casting during the processing, improve the processing accuracy, and ensure the processing quality.

[0011] Preferably, the number of the mounting grooves, the clamping plates, the triangular blocks and the hinged plates are four each, and they are respectively arranged around the supporting plate.

[0012] Preferably, a protective pad is fixedly connected to the outer wall of each triangular block, and the provided protective pad can protect the casting to prevent the triangular block from scratching the surface of the casting.

[0013] Preferably, a slide groove is provided on the top of the bottom plate, and the sliding block is slidably connected in the slide groove.

[0014] Preferably, an adjusting mechanism is provided on the base plate, and the adjusting mechanism includes: a screw and a motor. The screw is rotatably connected to the left side of the inner wall of the slide groove through a bearing, and the motor is fixedly installed on the right side of the base plate, and the right end of the screw passes through the slider and the base plate in sequence and is fixedly connected to the output end of the motor. By starting the motor to drive the screw to rotate, the screw drives the slider to move horizontally under the limit of the slide groove, so that the slider drives the base to move, and the base drives the fixed rod and the support plate to move, thereby adjusting the position of the support plate, facilitating subsequent processing operations and improving processing efficiency.

[0015] Preferably, a threaded hole is opened on the left side of the slider, and the slider is threadedly connected to the outer wall of the screw.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a fixture that can calibrate the position of a workpiece, which has the following beneficial effects:

[0018] 1. This fixture can calibrate the position of the workpiece. By starting the electric telescopic rod to drive the fixed block to move vertically, the fixed block drives the hinged plate to move and push the clamping plate, so that the clamping plate rotates around the hinge point, so that the clamping plate drives the triangular block to move and push the casting, so that the four triangular blocks automatically position and clamp the casting, ensuring that the casting is clamped stably during the processing, improving the processing accuracy and ensuring the processing quality.

[0019] 2. This fixture can calibrate the position of the workpiece. By starting the motor to drive the screw to rotate, the screw drives the slider to move horizontally under the limit of the slide slot, so that the slider drives the base to move, and the base drives the fixed rod and the support plate to move, so as to adjust the position of the support plate, which is convenient for subsequent processing operations and improves processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a three-dimensional diagram of the utility model;

[0022] Figure 2 It is a front cross-sectional view of the utility model;

[0023] Figure 3 It is a top view of the utility model.

[0024] In the figure: 1. bottom plate; 2. slider; 3. base; 4. fixing rod; 5. support plate; 6. positioning clamping mechanism; 601. mounting groove; 602. clamping plate; 603. triangular block; 604. electric telescopic rod; 605. fixing block; 606. hinged plate; 607. protective pad; 7. slide groove; 8. adjustment mechanism; 801. screw rod; 802. motor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Example 1

[0027] like Figure 1-3As shown, the utility model provides a fixture for calibrating the position of a workpiece, including a base plate 1, a slider 2 is slidably connected to the top of the base plate 1, a base 3 is fixedly connected to the top of the slider 2, a fixing rod 4 is fixedly connected to the four corners of the top of the base 3, and the tops of the four fixing rods 4 are fixedly connected to a support plate 5, and a positioning clamping mechanism 6 is arranged on the support plate 5; the positioning clamping mechanism 6 includes: a mounting groove 601, an electric telescopic rod 604, the mounting groove 601 is opened on the top of the support plate 5, a clamping plate 602 is hinged on the inner wall of the mounting groove 601, a triangular block 603 is fixedly connected to the upper right side of the clamping plate 602, the electric telescopic rod 604 is fixedly installed on the top of the base 3, the piston end of the electric telescopic rod 604 is fixedly connected to a fixing block 605, the top of the fixing block 605 is hinged to a hinged plate 606, and the hinged plate 606 is away from the fixed One end of block 605 is hinged to the bottom end of clamp plate 602. There are four mounting grooves 601, clamp plate 602, triangular blocks 603 and hinged plates 606, which are respectively arranged around the support plate 5. The outer wall of each triangular block 603 is fixedly connected with a protective pad 607. The provided protective pad 607 can protect the casting to prevent the triangular block 603 from scratching the surface of the casting. By starting the electric telescopic rod 604, the fixed block 605 is driven to move vertically, and the fixed block 605 drives the hinged plate 606 to move and push the clamp plate 602, so that the clamp plate 602 rotates around the hinge point, so that the clamp plate 602 drives the triangular block 603 to move and push the casting, so that the four triangular blocks 603 automatically position and clamp the casting, ensuring that the casting is clamped stably during the processing, improving the processing accuracy and ensuring the processing quality.

[0028] In this embodiment, the electric telescopic rod 604 is started to drive the fixed block 605 to move vertically, and the fixed block 605 drives the hinged plate 606 to move and push the clamping plate 602, so that the clamping plate 602 rotates around the hinge point, so that the clamping plate 602 drives the triangular block 603 to move and push the casting, so that the four triangular blocks 603 automatically position and clamp the casting, ensuring that the casting is stably clamped during the processing, improving the processing accuracy, and ensuring the processing quality.

[0029] Example 2

[0030] like Figure 1-3As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a slide groove 7 is provided on the top of the base plate 1, and the slider 2 is slidably connected in the slide groove 7. An adjusting mechanism 8 is provided on the base plate 1, and the adjusting mechanism 8 includes: a screw 801 and a motor 802. The screw 801 is rotatably connected to the left side of the inner wall of the slide groove 7 through a bearing, and the motor 802 is fixedly installed on the right side of the base plate 1, and the right end of the screw 801 passes through the slider 2 and the base plate 1 in sequence and is fixedly connected to the output end of the motor 802. A threaded hole is provided on the left side of the slider 2, and the slider 2 is threadedly connected to the outer wall of the screw 801. By starting the motor 802 to drive the screw 801 to rotate, the screw 801 drives the slider 2 to move horizontally under the limit of the slide groove 7, so that the slider 2 drives the base 3 to move, and the base 3 drives the fixing rod 4 and the support plate 5 to move, thereby adjusting the position of the support plate 5, which is convenient for subsequent processing operations and improves processing efficiency.

[0031] In this embodiment, the motor 802 is started to drive the screw 801 to rotate, and the screw 801 drives the slider 2 to move horizontally under the limit of the slide groove 7, so that the slider 2 drives the base 3 to move, and the base 3 drives the fixed rod 4 and the support plate 5 to move, thereby adjusting the position of the support plate 5, facilitating subsequent processing operations and improving processing efficiency.

[0032] The following is a detailed description of the working principle of this fixture that can calibrate the position of the workpiece.

[0033] like Figure 1-3 As shown, when in use, the casting is placed on the support plate 5, and the electric telescopic rod 604 is started to drive the fixed block 605 to move vertically, and the fixed block 605 drives the hinged plate 606 to move and push the clamping plate 602, so that the clamping plate 602 rotates around the hinge point, so that the clamping plate 602 drives the triangular block 603 to move and push the casting, so that the four triangular blocks 603 automatically position and clamp the casting, and the motor 802 is started to drive the screw 801 to rotate, and the screw 801 drives the slider 2 to move horizontally under the limit of the slide groove 7, so that the slider 2 drives the base 3 to move, and the base 3 drives the fixed rod 4 and the support plate 5 to move, so that the position of the support plate 5 is adjusted to facilitate subsequent processing operations.

Claims

1. A fixture for calibrating the position of a workpiece, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is slidably connected to a slider (2), the top of the slider (2) is fixedly connected to a base (3), the top four corners of the base (3) are respectively fixedly connected to fixing rods (4), the top ends of the four fixing rods (4) are fixedly connected to a support plate (5), and a positioning clamping mechanism (6) is provided on the support plate (5); The positioning and clamping mechanism (6) comprises: a mounting groove (601) and an electric telescopic rod (604); the mounting groove (601) is arranged at the top of the support plate (5); a clamping plate (602) is hingedly connected to the inner wall of the mounting groove (601); a triangular block (603) is fixedly connected to the upper right side of the clamping plate (602); the electric telescopic rod (604) is fixedly mounted on the top of the base (3); a piston end of the electric telescopic rod (604) is fixedly connected to a fixed block (605); a hinged plate (606) is hingedly connected to the top of the fixed block (605); and an end of the hinged plate (606) away from the fixed block (605) is hingedly connected to the bottom end of the clamping plate (602).

2. A fixture for calibrating the position of a workpiece according to claim 1, characterized in that: The number of the mounting groove (601), the clamping plate (602), the triangular block (603), and the hinge plate (606) is four, and they are respectively arranged around the supporting plate (5).

3. A fixture for calibrating the position of a workpiece according to claim 2, characterized in that: The outer wall of each triangular block (603) is fixedly connected with a protective pad (607).

4. A fixture for calibrating the position of a workpiece according to claim 1, characterized in that: A sliding groove (7) is provided on the top of the bottom plate (1), and the sliding block (2) is slidably connected in the sliding groove (7).

5. A fixture for calibrating the position of a workpiece according to claim 4, characterized in that: An adjusting mechanism (8) is provided on the bottom plate (1), and the adjusting mechanism (8) comprises: a screw rod (801) and a motor (802), wherein the screw rod (801) is rotatably connected to the left side of the inner wall of the slide groove (7) via a bearing, and the motor (802) is fixedly installed on the right side of the bottom plate (1), and the right end of the screw rod (801) passes through the slider (2) and the bottom plate (1) in sequence and is fixedly connected to the output end of the motor (802).

6. A fixture for calibrating the position of a workpiece according to claim 5, characterized in that: A threaded hole is provided on the left side of the slider (2), and the slider (2) is threadedly connected to the outer wall of the screw rod (801).

Images