Linear cutting machine tool clamp

Abstract

The utility model is suitable for the technical field of machine tool clamps, and provides a linear cutting machine tool clamp which comprises a bottom plate, a supporting plate is arranged on the bottom plate, a sleeve is rotationally connected to the right side of the supporting plate, a control assembly for controlling displacement of the supporting plate and rotation of the sleeve is arranged on the bottom plate, and four control rods arranged in a circumferential array are arranged in the sleeve. An arc-shaped clamp for clamping a workpiece is arranged at the end, close to the axis of the sleeve, of the control rod, the other end of the control rod slidably penetrates out of the outer surface of the sleeve, the outer surface of the sleeve is slidably sleeved with a pushing ring, and a rotating plate is hinged between the pushing ring and the outer surface of the end, located outside the sleeve, of the control rod. According to the device, synchronous displacement of the multiple arc-shaped clamps can be controlled at the same time, a worker does not need to control the arc-shaped clamps one by one to clamp a workpiece when the workpiece is clamped, the operation steps of the worker are reduced, the workpiece clamping efficiency is improved, and the workpiece clamping speed is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool fixtures, and more specifically, to a wire cutting machine tool fixture. Background Art

[0002] Wire cutting is a processing method whose main principle is to use a moving metal wire as an electrode wire, and rely on pulse electric spark discharge between the electrode wire and the workpiece to generate high temperature to melt or vaporize the metal, forming a slit, thereby cutting out parts. In order to avoid the problem of workpiece deviation during the cutting process, a machine tool fixture is required to clamp the workpiece.

[0003] For example, the existing patent CN220739729U was retrieved, which discloses a wire cutting machine tool clamp with a rotation function. The existing technology rotates a rotating plate, and the rotation of the rotating plate drives the threaded rod to move along the horizontal direction of the sleeve. One end of the threaded rod drives the arc-shaped clamping plate to move, thereby clamping and fixing columnar materials of different sizes.

[0004] However, the inventor believes that the prior art has the following problems when in use: in order to ensure the clamping effect of the workpiece when the prior art clamps the workpiece, a plurality of arc-shaped clamping plates are arranged in the column. However, when the arc-shaped clamping plates in the prior art clamp the surface of the workpiece, they need to be twisted one by one so that all the arc-shaped clamping plates can clamp the workpiece. This increases the operating steps of the staff and affects the clamping efficiency and speed of the workpiece. Summary of the invention

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a wire cutting machine tool fixture.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A wire cutting machine tool fixture comprises a base plate, a support plate is arranged on the base plate, a sleeve is rotatably connected to the right side of the support plate, a control component for controlling the displacement of the support plate and the rotation of the sleeve is arranged on the base plate, four control rods arranged in a circular array are arranged in the sleeve, an arc clamp for clamping the workpiece is arranged on one end of the control rod close to the axis of the sleeve, the other end of the control rod slides through the outer surface of the sleeve, a push ring is slidably sleeved on the outer surface of the sleeve, a rotating plate is hinged between the push ring and the outer surface of one end of the control rod located outside the sleeve, and a push mechanism for controlling the displacement of the push ring is arranged on the outer surface of the sleeve.

[0008] The utility model is further configured as follows: the pushing mechanism includes a rotating ring, which is threadedly sleeved on the outer surface of the sleeve, an annular groove with a vertical arc-shaped cross-section is provided on the side surface of the rotating ring close to the pushing ring, and an annular block that matches the annular groove is provided on the side surface of the pushing ring close to the rotating ring, and the annular block slides in the annular groove.

[0009] The utility model is further configured as follows: a mounting ring is sleeved on the outer surface of one end of the control rod outside the sleeve, and a tension spring movably sleeved on the outer surface of the control rod is arranged between the mounting ring and the outer surface of the sleeve.

[0010] The utility model is further configured as follows: the control component includes a mounting plate, the mounting plate is arranged on the base plate and is located on the side of the support plate facing away from the sleeve, a hydraulic push rod is arranged on the surface of the side of the mounting plate close to the support plate, one end of the telescopic rod of the hydraulic push rod is connected to the support plate, two front and rear parallel guide rails are arranged on the upper surface of the base plate, and two guide rail joints respectively slidably connected to the two guide rails are arranged on the lower side of the support plate.

[0011] The utility model is further configured as follows: a driving shaft is rotatably connected on a side surface of the mounting plate close to the supporting plate, and a servo motor for controlling the rotation of the driving shaft is arranged on a side surface of the mounting plate facing away from the supporting plate.

[0012] The utility model is further configured as follows: a connecting shaft is arranged on the surface of the sleeve facing the driving shaft, the other end of the connecting shaft rotates and passes through the supporting plate, and a sleeve groove is arranged on the driving shaft and is slidably sleeved on the outer surface of the connecting shaft.

[0013] The utility model is further configured as follows: a limiting sliding block is arranged on the outer surface of the connecting shaft close to the driving shaft, a limiting sliding groove adapted to the limiting sliding block is opened on the inner wall of the sleeve groove, and the limiting sliding block slides in the limiting sliding groove.

[0014] The advantages of the utility model are:

[0015] Firstly, the utility model can control the synchronous displacement of multiple arc clamps at the same time, and the staff does not need to operate the arc clamps one by one to clamp the workpiece, which reduces the operation steps of the staff and improves the clamping efficiency and speed of the workpiece.

[0016] Secondly, the utility model drives the push ring to move by means of threads, so it has a certain self-locking effect, and the push ring will not push the rotating ring to move, which further ensures the firmness of the clamp after clamping the workpiece.

[0017] Thirdly, the utility model is started by a servo motor, and the servo motor synchronously drives the driving shaft to rotate. Since the connecting shaft is affected by the limiting slider and the limiting slide groove, it will rotate synchronously with the driving shaft, thereby achieving the purpose of controlling the rotation of the sleeve, thereby achieving the effect of changing the surface of the workpiece, and there is no need to remove the workpiece from the fixture before changing the surface, which improves the efficiency and speed of workpiece cutting. At the same time, when the hydraulic push rod pushes the support plate to move, the connecting shaft synchronously slides in the sleeve groove, and the limiting slider slides in the limiting slide groove. In this way, the support plate will not affect the rotation of the servo motor driven sleeve after moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a wire cutting machine tool fixture of the utility model;

[0019] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 It is a cross-sectional schematic diagram of the rotating ring and the pushing ring of the utility model;

[0021] Figure 4 It is a schematic diagram of dismantling the connecting shaft of the utility model.

[0022] In the figure: 1, base plate; 2, support plate; 3, sleeve; 4, control assembly; 41, mounting plate; 42, hydraulic push rod; 43, drive shaft; 44, servo motor; 45, connecting shaft; 46, limiting slider; 47, limiting slide groove; 5, guide rail joint; 6, guide rail; 7, arc clamp; 8, control rod; 9, mounting ring; 10, tension spring; 11, push ring; 12, rotating plate; 13, rotating ring; 14, annular groove; 15, annular block. DETAILED DESCRIPTION

[0023] See also Figure 1-4 , the utility model provides the following technical solutions:

[0024] Specifically, it refers to a wire cutting machine tool fixture, including a base plate 1, a support plate 2 is arranged on the base plate 1, and a sleeve 3 is rotatably connected to the right side of the support plate 2, and a control component 4 for controlling the displacement of the support plate 2 and the rotation of the sleeve 3 is arranged on the base plate 1, and four control rods 8 arranged in a circular array are arranged in the sleeve 3, and an arc clamp 7 for clamping the workpiece is arranged on one end of the control rod 8 close to the axis of the sleeve 3, and the other end of the control rod 8 slides through the outer surface of the sleeve 3. Therefore, when the workpiece is placed between the four arc clamps 7, the control rod 8 pushes the arc clamp 7 to displace in the sleeve 3, so that the four arc clamps 7 can clamp the workpiece.

[0025] A pushing ring 11 is slidingly sleeved on the outer surface of the sleeve 3, and a rotating plate 12 is hinged between the pushing ring 11 and the outer surface of one end of the control rod 8 outside the sleeve 3. In this way, when the pushing ring 11 is displaced toward the side close to the control rod 8, the rotating plate 12 will generate a thrust on the control rod 8, so that the control rod 8 pulls the arc clamp 7 to displace toward the side away from the center of the sleeve 3. When the pushing ring 11 is displaced toward the side away from the control rod 8, the rotating plate 12 will generate a pulling force on the control rod 8, so that the arc clamp 7 is displaced toward the side close to the center of the sleeve 3. The above structure can simultaneously control the synchronous displacement of multiple arc clamps 7. When clamping the workpiece, the staff does not need to operate the arc clamps 7 one by one to clamp the workpiece, which reduces the staff's operating steps and improves the clamping efficiency and speed of the workpiece.

[0026] A mounting ring 9 is sleeved on the outer surface of one end of the control rod 8 outside the sleeve 3, and a tension spring 10 movably sleeved on the outer surface of the control rod 8 is provided between the mounting ring 9 and the outer surface of the sleeve 3. When the tension spring 10 is not affected by the tension force, the tension spring 10 will form a tension force on the mounting ring 9, so that the mounting ring 9 is located on the side close to the outer surface of the sleeve 3, and the arc clamp 7 is located on the side close to the center of the sleeve 3.

[0027] A rotating ring 13 is threadedly sleeved on the outer surface of the sleeve 3. An annular groove 14 with a vertical arc-shaped cross-section is provided on the surface of the rotating ring 13 on one side close to the pushing ring 11. An annular block 15 matching the annular groove 14 is provided on the surface of the pushing ring 11 on one side close to the rotating ring 13. The annular block 15 slides in the annular groove 14. When the rotating ring 13 rotates, since the rotating ring 13 and the sleeve 3 are threadedly connected, the rotating ring 13 is displaced on the surface of the sleeve 3 due to the transmission of the thread teeth, and at the same time, a pulling force or a thrust force can be formed on the pushing ring 11, thereby synchronously driving the pushing ring 11 to displace on the outer surface of the sleeve 3. Since the rotating ring 13 is driven by a thread and has a certain self-locking property, the pushing ring 11 will not push the rotating ring 13 to displace, further ensuring the firmness of the clamp after clamping the workpiece.

[0028] The control component 4 includes a mounting plate 41, which is arranged on the base plate 1 and located on the side of the support plate 2 facing away from the sleeve 3. A hydraulic push rod 42 is arranged on the surface of the mounting plate 41 on one side close to the support plate 2. One end of the telescopic rod of the hydraulic push rod 42 is connected to the support plate 2. Therefore, the support plate 2 can be pushed to move horizontally left and right through the hydraulic push rod 42, so the position of the sleeve 3 can be adjusted, thereby further improving the use effect of the machine tool fixture.

[0029] On the upper surface of the bottom plate 1, there are two parallel guide rails 6 arranged front and back. On the lower side of the support plate 2, there are two guide rail joints 5 respectively slidably connected to the two guide rails 6. Therefore, the support plate 2 slides on the guide rails 6 through the guide rail joints 5. At the same time, the guide rails 6 can form a supporting effect on the support plate 2, and the problem of the support plate 2 tilting is avoided as much as possible.

[0030] On the surface of the mounting plate 41 close to the support plate 2, a driving shaft 43 is rotatably connected. On the surface of the mounting plate 41 facing away from the support plate 2, a servo motor 44 for controlling the rotation of the driving shaft 43 is arranged. On the surface of the sleeve 3 facing the driving shaft 43, a connecting shaft 45 is arranged. The other end of the connecting shaft 45 rotatably penetrates through the support plate 2. A sleeve groove is formed on the driving shaft 43 and slidably sleeved on the outer surface of the connecting shaft 45. On the outer surface of the connecting shaft 45 close to the driving shaft 43, a limiting slider 46 is arranged. On the inner wall of the sleeve groove, a limiting sliding groove 47 adapted to the limiting slider 46 is formed. The limiting slider 46 slides in the limiting sliding groove 47. When it is necessary to drive the sleeve 3 to rotate, the servo motor 44 is started. The servo motor 44 synchronously drives the driving shaft 43 to rotate. Due to the influence of the limiting slider 46 and the limiting sliding groove 47 on the connecting shaft 45, the connecting shaft 45 will rotate synchronously with the driving shaft 43, so as to achieve the purpose of controlling the rotation of the sleeve 3, and thus the effect of changing the surface of the workpiece can be achieved. It is not necessary to remove the workpiece from the fixture to change the surface, which improves the efficiency and speed of cutting the workpiece. At the same time, when the hydraulic push rod 42 pushes the support plate 2 to displace, the connecting shaft 45 slides synchronously in the sleeve groove, and the limiting slider 46 slides in the limiting sliding groove 47. In this way, when the support plate 2 moves, it will not affect the rotation of the servo motor 44 driving the sleeve 3.

[0031] The working principle of the wire cutting machine fixture provided by the present utility model is as follows: By rotating the rotating ring 13, since the rotating ring 13 is threadedly connected to the sleeve 3, the rotating ring 13 displaces on the surface of the sleeve 3 under the transmission of the thread teeth, and at the same time, a pulling force or a pushing force can be formed on the pushing ring 11. When the pushing ring 11 displaces towards the side close to the control rod 8, the rotating plate 12 will form a pushing force on the control rod 8, so that the control rod 8 pulls the arc-shaped clamp 7 to displace towards the side away from the center of the sleeve 3, thereby clamping the workpiece. When the pushing ring 11 displaces towards the side away from the control rod 8, the rotating plate 12 will form a pulling force on the control rod 8, so that the arc-shaped clamp 7 displaces towards the side close to the center of the sleeve 3.

Claims

1. A wire cutting machine tool fixture, comprising a base plate (1), a support plate (2) being arranged on the base plate (1), a sleeve (3) being rotatably connected to the right side of the support plate (2), characterized in that: The base plate (1) is provided with a control assembly (4) for controlling the displacement of the support plate (2) and the rotation of the sleeve (3); four control rods (8) arranged in a circular array are arranged in the sleeve (3); an arc clamp (7) for clamping a workpiece is arranged on one end of the control rod (8) close to the axis of the sleeve (3); the other end of the control rod (8) slides through the outer surface of the sleeve (3); a push ring (11) is slidably sleeved on the outer surface of the sleeve (3); a rotating plate (12) is hinged between the push ring (11) and the outer surface of one end of the control rod (8) located outside the sleeve (3); and a push mechanism for controlling the displacement of the push ring (11) is arranged on the outer surface of the sleeve (3).

2. A wire cutting machine tool fixture according to claim 1, characterized in that: The pushing mechanism comprises a rotating ring (13), the rotating ring (13) being threadedly sleeved on the outer surface of the sleeve (3), an annular groove (14) having a vertical arc-shaped cross section is provided on a side surface of the rotating ring (13) close to the pushing ring (11), and an annular block (15) matching the annular groove (14) is provided on a side surface of the pushing ring (11) close to the rotating ring (13), and the annular block (15) slides in the annular groove (14).

3. A wire cutting machine tool fixture according to claim 2, characterized in that: The outer surface of one end of the control rod (8) located outside the sleeve (3) is sleeved with a mounting ring (9), and a tension spring (10) movably sleeved on the outer surface of the control rod (8) is provided between the mounting ring (9) and the outer surface of the sleeve (3).

4. A wire cutting machine tool fixture according to claim 1 or 3, characterized in that: The control assembly (4) comprises a mounting plate (41), the mounting plate (41) being arranged on the bottom plate (1) and located on a side of the support plate (2) facing away from the sleeve (3), a hydraulic push rod (42) being arranged on a surface of a side of the mounting plate (41) close to the support plate (2), one end of a telescopic rod of the hydraulic push rod (42) being connected to the support plate (2).

5. The wire cutting machine tool fixture according to claim 4, characterized in that: A driving shaft (43) is rotatably connected to a surface of one side of the mounting plate (41) close to the supporting plate (2), and a servo motor (44) for controlling the rotation of the driving shaft (43) is provided on a surface of the side of the mounting plate (41) facing away from the supporting plate (2).

6. The wire cutting machine tool fixture according to claim 5, characterized in that: A connecting shaft (45) is provided on the surface of the sleeve (3) facing the driving shaft (43); the other end of the connecting shaft (45) is rotatably passed through the supporting plate (2); and a sleeve groove is provided on the driving shaft (43) and is slidably sleeved on the outer surface of the connecting shaft (45).

7. The wire cutting machine tool fixture according to claim 6, characterized in that: A limiting slide block (46) is provided on the outer surface of the connecting shaft (45) close to the driving shaft (43), and a limiting slide groove (47) adapted to the limiting slide block (46) is provided on the inner wall of the sleeve groove, and the limiting slide block (46) slides in the limiting slide groove (47).

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