Fixture mechanism of wire cutting machine

Abstract

The utility model relates to the technical field of clamps, in particular to a clamp mechanism of a wire cutting machine, which is characterized in that one side of the upper end of a bottom frame is fixedly connected with a clamping block, the other side of the upper end of the bottom frame is provided with a sliding chute, the sliding chute is connected with an extrusion part in a sliding manner, and the bottom frame is connected with a limiting mechanism for limiting a workpiece; the limiting mechanism comprises a mounting plate, the mounting plate is fixedly connected to the bottom frame, an electric telescopic rod is fixedly connected to the upper end of the mounting plate, a limiting piece is fixedly connected to the telescopic end of the electric telescopic rod, and the limiting piece is slidably connected with the bottom frame. A workpiece is placed at the upper end of the bottom frame, the workpiece is located between the clamping block and the extrusion piece, one side of the workpiece makes contact with the clamping block, the limiting piece makes contact with one side of the workpiece, the workpiece is limited, the extrusion piece makes contact with the workpiece after moving towards the workpiece by a certain distance, and the workpiece is clamped and fixed under the cooperation of the clamping block. And under the limiting of the limiting piece, the workpiece is located under the cutting head, and the fixing effect on the workpiece is improved.

Description

Technical Field

[0001] This utility model relates to the field of clamping technology, and in particular to a clamping mechanism for a wire cutting machine. Background Technology

[0002] Wire EDM is short for Electrical Discharge Wire Cutting. It was developed based on electrical discharge drilling and forming processes. Currently, wire EDM machines account for the majority of electrical discharge machine tools. Existing wire EDM machines can cut high-strength, high-toughness, high-hardness, high-brittleness, magnetic materials, as well as precision, small and complex-shaped parts, which has led to the widespread application of wire EDM technology and wire EDM machines in various industries.

[0003] In the wire cutting process of existing wire cutting machines, a clamping mechanism is required to hold and fix the workpiece. However, the cutting head of the wire cutting machine and the clamping mechanism are in a relatively fixed position. Since the workpieces are of different sizes, when the workpiece is placed on the clamping mechanism for fixation, the fixed workpiece is prone to misalignment with the cutting head, thereby reducing the clamping and fixing effect of the workpiece. Utility Model Content

[0004] The purpose of this utility model is to solve the shortcomings of the existing technology, where the workpiece is easily misaligned with the cutting head after being placed on the clamping mechanism, thereby reducing the clamping and fixing effect of the workpiece. Therefore, a wire cutting machine clamping mechanism is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] Design a wire cutting machine clamping mechanism, including a base frame, a clamping block fixedly connected to one side of the upper end of the base frame, a sliding groove opened on the other side of the upper end of the base frame, an extrusion component slidably connected to the sliding groove, a servo motor fixedly connected to the base frame, the output end of the servo motor extending into the sliding groove and fixedly connected to a first threaded rod for driving the extrusion component to move, and a limiting mechanism for limiting the workpiece connected to the base frame;

[0007] The limiting mechanism includes a mounting plate, which is fixedly connected to the base frame. An electric telescopic rod is fixedly connected to the upper end of the mounting plate. A limiting component is fixedly connected to the telescopic end of the electric telescopic rod, and the limiting component is slidably connected to the base frame.

[0008] Preferably, the bottom end of the chute is provided with a waste discharge port.

[0009] Preferably, the extrusion piece comprises a connecting plate, one end of the connecting plate is slidably connected to the sliding groove, a first threaded hole is formed in the connecting plate, the first threaded hole is matched with the first threaded rod, the other end of the connecting plate is fixedly connected with a movable block, the bottom end of the movable block is in contact with the upper end of the bottom frame, and an anti-abrasion pad is fixedly connected to the movable block.

[0010] Preferably, a baffle is fixedly connected to the connecting plate and located above the sliding groove.

[0011] Preferably, the limiting piece comprises a supporting plate, the supporting plate is slidably connected to the bottom frame, the bottom end of the supporting plate is fixedly connected to the telescopic end of the electric telescopic rod, a strip-shaped hole is formed in the upper end of the supporting plate, a limiting plate is slidably connected to the strip-shaped hole, a second threaded rod is rotatably connected to the supporting plate, and a second threaded hole is formed in the limiting plate and matched with the second threaded rod.

[0012] Preferably, one end of the second threaded rod is fixedly connected with a rotating disc.

[0013] The wire cutting machine clamp mechanism has the beneficial effects that:

[0014] The workpiece is placed on the upper end of the bottom frame, the workpiece is located between the clamping block and the extrusion piece, one side of the workpiece is in contact with the clamping block, the limiting piece is in contact with one side of the workpiece, the workpiece is limited, the extrusion piece moves a distance towards the workpiece and is in contact with the workpiece, the workpiece is clamped and fixed under the cooperation of the clamping block, and the workpiece is located directly below the cutting head under the limitation of the limiting piece, so that the fixing effect of the workpiece is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a wire cutting machine clamp mechanism's structure diagram Figure 1 ;

[0016] Figure 2 The utility model provides a wire cutting machine clamp mechanism's structure diagram Figure 2 ;

[0017] Figure 3 The utility model provides a wire cutting machine clamp mechanism's structure diagram

[0018] Figure 4 The utility model provides a wire cutting machine clamp mechanism's structure diagram

[0019] In the figure: 1, the chassis; 2, the clamp block; 3, the sliding groove; 4, the extrusion piece; 5, the servo motor; 6, the first threaded rod; 7, the limiting mechanism; 41, the connecting plate; 42, the movable block; 43, the wear pad; 44, the baffle; 71, the mounting plate; 72, the electric telescopic rod; 73, the limiting piece; 731, the support plate; 732, the strip-shaped hole; 733, the limiting plate; 734, the second threaded rod; 735, the rotating disc. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Embodiment 1: refer to Figures 1-4 A wire cutting machine clamp mechanism, including chassis 1, the upper end of the chassis 1 one side is fixedly connected with the clamp block 2, the upper end of the chassis 1 the other side is provided with the sliding groove 3, the bottom end of the sliding groove 3 is provided with the extraneous matter discharge port, the extrusion piece 4 is slidably connected on the sliding groove 3, the servo motor 5 is fixedly connected on the chassis 1, the output end of the servo motor 5 extends into the sliding groove 3 and is fixedly connected with the first threaded rod 6 for driving the extrusion piece 4 to move, the limiting mechanism 7 for limiting workpiece is connected on the chassis 1.

[0022] The limiting mechanism 7 includes the mounting plate 71, the mounting plate 71 is fixedly connected to the chassis 1, the upper end of the mounting plate 71 is fixedly connected with the electric telescopic rod 72, the telescopic end of the electric telescopic rod 72 is fixedly connected with the limiting piece 73, and the limiting piece 73 is slidably connected to the chassis 1.

[0023] Working process:

[0024] When clamping and fixing the workpiece, the electric telescopic rod 72 is powered on to drive the limiting piece 73 to move upward by a set distance, the workpiece is placed on the upper end of the chassis 1, the workpiece is located between the clamp block 2 and the extrusion piece 4, one side of the workpiece contacts the clamp block 2, and the limiting piece 73 contacts one side of the workpiece to limit the workpiece, the servo motor 5 is started to drive the first threaded rod 6 to rotate, the first threaded rod 6 rotates to make the extrusion piece 4 move towards the workpiece, the extrusion piece 4 contacts the workpiece after moving a distance towards the workpiece, and the workpiece is clamped and fixed under the cooperation of the clamp block 2, and the workpiece is located directly below the cutting head under the limiting of the limiting piece 73, thereby improving the fixing effect of the workpiece, the electric telescopic rod 72 drives the limiting piece 73 to move downward by a set distance and then resets, at this time, the limiting piece 73 is out of position with the workpiece, and the limiting piece 73 will not be damaged during the workpiece processing.

[0025] Embodiment 2: refer to Figure 2As another preferred embodiment of the utility model, the difference from example 1 is that the extrusion piece 4 includes the connecting plate 41, one end of the connecting plate 41 is slidably connected to the sliding groove 3, a first threaded hole is formed in the connecting plate 41, the first threaded hole is matched with the first threaded rod 6, the other end of the connecting plate 41 is fixedly connected with the movable block 42, the bottom end of the movable block 42 is in contact with the upper end of the chassis 1, the movable block 42 is fixedly connected with the wear pad 43, the wear pad 43 is a rubber pad, the connecting plate 41 is fixedly connected with the baffle 44, the baffle 44 is located above the sliding groove 3, when clamping and fixing the workpiece, the connecting plate 41 drives the movable block 42 to move towards the workpiece, the movable block 42 is in contact with the workpiece through the wear pad 43, and the workpiece is extruded and fixed.

[0026] Example 3: refer to Figure 4 As another preferred embodiment of the utility model, the difference from example 1 is that the limiting piece 73 includes the support plate 731, the support plate 731 is slidably connected to the chassis 1, the bottom end of the support plate 731 is fixedly connected with the telescopic end of the electric telescopic rod 72, a strip-shaped hole is formed in the upper end of the support plate 731, the limiting plate 733 is slidably connected to the strip-shaped hole, the support plate 731 is rotatably connected with the second threaded rod 734, a second threaded hole is formed in the limiting plate 733, the second threaded hole is matched with the second threaded rod 734, one end of the second threaded rod 734 is fixedly connected with the turntable 735, when limiting the workpiece, the turntable 735 is rotated, the second threaded rod 734 is rotated, the limiting plate 733 is moved after the second threaded rod 734 is rotated, the position of the limiting plate 733 is changed, thereby the limiting position of the workpiece is changed, and the workpiece of different sizes is conveniently limited.

[0027] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change is carried out, and all should be covered in the protection scope of the utility model.

Claims

1. A wire saw clamp mechanism characterized by, Including the chassis (1), wherein: The upper end of the chassis (1) is fixedly connected with a clamping block (2), the upper end of the chassis (1) is provided with a sliding groove (3), the sliding groove (3) is slidably connected with an extrusion piece (4), the chassis (1) is fixedly connected with a servo motor (5), the output end of the servo motor (5) extends into the sliding groove (3) and is fixedly connected with a first threaded rod (6) for driving the extrusion piece (4) to move, the chassis (1) is connected with a limiting mechanism (7) for limiting the workpiece; The limiting mechanism (7) comprises a mounting plate (71), the mounting plate (71) is fixedly connected to the chassis (1), the upper end of the mounting plate (71) is fixedly connected with an electric telescopic rod (72), the telescopic end of the electric telescopic rod (72) is fixedly connected with a limiting piece (73), the limiting piece (73) is slidably connected with the chassis (1).

2. The wire saw clamp mechanism of claim 1, wherein, The bottom end of the sliding groove (3) is provided with a scavenging port.

3. The wire saw clamp mechanism of claim 1, wherein, The extrusion piece (4) comprises a connecting plate (41), one end of the connecting plate (41) is slidably connected to the sliding groove (3), the connecting plate (41) is provided with a first threaded hole, the first threaded hole is matched with the first threaded rod (6), the other end of the connecting plate (41) is fixedly connected with a movable block (42), the bottom end of the movable block (42) is in contact with the upper end of the chassis (1), the movable block (42) is fixedly connected with an anti-abrasion pad (43).

4. The wire saw clamp mechanism of claim 3, wherein, The connecting plate (41) is fixedly connected with a baffle (44), the baffle (44) is located above the sliding groove (3).

5. The wire saw clamp mechanism of claim 1, wherein, The limiting piece (73) comprises a support plate (731), the support plate (731) is slidably connected with the chassis (1), the bottom end of the support plate (731) is fixedly connected with the telescopic end of the electric telescopic rod (72), the upper end of the support plate (731) is provided with a strip-shaped hole, the strip-shaped hole is slidably connected with a limiting plate (733), the support plate (731) is rotatably connected with a second threaded rod (734), the limiting plate (733) is provided with a second threaded hole, the second threaded hole is matched with the second threaded rod (734).

6. The wire saw clamp mechanism of claim 5, wherein, One end of the second threaded rod (734) is fixedly connected with a turntable (735).

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