Electrode clamp used for electric spark machining and provided with protection device

Abstract

The utility model provides an electrode clamp with a protection device for electric spark machining. Comprising a machine body, a supporting frame is installed on the surface of the machine body, a clamping table is installed on the surface of the supporting frame, a clamping mechanism is arranged at the bottom of the clamping table, the clamping mechanism comprises a driving rod penetrating through the surface of the supporting frame, a handle is installed at one end of the driving rod, and a first gear is installed at one end of the driving rod; a clamping block is rotationally installed at one end of the connecting rod, and a sliding groove is formed in the surface of the clamping table. According to the electrode clamp with the protection device for electric spark machining, the clamping mechanism is designed for the electrode clamp, in order to fix a workpiece more stably when the electrode clamp is used, the workpiece is placed on the clamping table firstly, then a handle is rotated to enable a driving rod to rotate, a clamping block slides in a sliding groove through pulling of a connecting rod, and then the workpiece can be fixed more stably; the fixing mode is efficient and stable, the workpiece is not prone to loosening, and the using effect of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spark machining, in particular to an electrode clamp with a protective device for electric spark machining. Background Art

[0002] Electrospark machining refers to a method of machining a workpiece by the electro-erosion effect of pulse discharge between the tool electrode and the workpiece electrode in a certain medium.

[0003] The existing electrode fixtures with protective devices for electrospark machining on the market are in use. The traditional electrode fixtures for electrospark machining have a relatively simple way of fixing the workpiece when in use, which may cause the workpiece to loosen and affect the machining of the workpiece.

[0004] Therefore, it is necessary to provide an electrode fixture with a protective device for electrospark machining to solve the above technical problems. Utility Model Content

[0005] The utility model provides an electrode clamp with a protective device for electric spark machining, which solves the problem that the traditional electrode clamp for electric spark machining has a relatively simple way of fixing a workpiece when in use, which may cause the workpiece to become loose and affect the machining of the workpiece.

[0006] In order to solve the above technical problems, the utility model provides an electrode clamp with a protective device for electrospark machining, comprising a machine body, a support frame is installed on the surface of the machine body, a clamping table is installed on the surface of the support frame, a clamping mechanism is arranged at the bottom of the clamping table, the clamping mechanism comprises a driving rod passing through the surface of the support frame, a handle is installed at one end of the driving rod, a first gear is installed at one end of the driving rod, a second gear is installed at one end of the first gear, a rotating rod is connected to the axis of the second gear, a turntable is installed at one end of the rotating rod, a connecting rod is rotatably installed on the surface of the turntable, a clamping block is rotatably installed on one end of the connecting rod, and a sliding groove is provided on the surface of the clamping table.

[0007] Preferably, the driving rod passes through the supporting frame and rotates inside through a bearing, and the angle between the extended line of the axis of the first gear and the extended line of the axis of the second gear is ninety degrees.

[0008] Preferably, two groups of connecting rods are rotatably mounted on the surface of the turntable and one end of each connecting rod is rotatably mounted with a clamping block, and the clamping block forms a sliding structure with the clamping table through a sliding groove.

[0009] Preferably, a protective mechanism is provided on the surface of the machine body, and the protective mechanism includes an electric cylinder installed on the surface of the machine body, the output shaft of the electric cylinder is equipped with a rack, the surface of the rack is meshed with rotating teeth, a fixing pin passes through the axis of the rotating teeth, and a protective plate is installed on the surface of the fixing pin.

[0010] Preferably, the fixing pin passes through the rotating tooth and one end is mounted on the machine body, and the fixing pin is symmetrically arranged with respect to the central axis of the machine body.

[0011] Preferably, the electric cylinder pushes the rack to rotate the rotating tooth.

[0012] Compared with the related art, the electrode fixture with a protective device for electrospark machining provided by the utility model has the following beneficial effects:

[0013] The device is designed with a clamping mechanism. In order to fix the workpiece more stably when the equipment is in use, the workpiece is first placed on the clamping table, and then the handle is turned to rotate the driving rod. The rotation of the driving rod drives the first gear to rotate, and the first gear rotates the second gear through meshing, and the second gear drives the rotating rod and the turntable to rotate. In this way, the turntable rotates and the connecting rod is pulled at the same time. The clamping block slides in the slide groove by pulling the connecting rod. In this way, the workpiece is clamped and fixed by the clamping block. This fixing method is efficient and stable, the workpiece is not easy to loosen, and the use effect of the equipment is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of an electrode fixture with a protective device for electrospark machining provided by the utility model;

[0015] Figure 2 for Figure 1 The schematic diagram of the clamping mechanism structure is shown;

[0016] Figure 3 for Figure 1 Schematic diagram of the protective mechanism structure shown.

[0017] Numbers in the figure: 1. Machine body; 2. Support frame; 3. Clamping platform; 4. Clamping mechanism; 41. Driving rod; 42. Handle; 43. First gear; 44. Second gear; 45. Rotating rod; 46. Turntable; 47. Connecting rod; 48. Clamping block; 49. Slide groove; 5. Protective mechanism; 51. Electric cylinder; 52. Rack; 53. Rotating gear; 54. Fixing pin; 55. Protective plate. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0019] Please refer to Figures 1 to 3 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of an electrode fixture with a protective device for electrospark machining provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the clamping mechanism structure is shown; Figure 3 for Figure 1 The schematic diagram of the protection mechanism structure is shown. An electrode fixture with a protection device for electrospark machining comprises a body 1, a support frame 2 is mounted on the surface of the body 1, a clamping platform 3 is mounted on the surface of the support frame 2, a clamping mechanism 4 is arranged at the bottom of the clamping platform 3, the clamping mechanism 4 comprises a driving rod 41 penetrating the surface of the support frame 2, a handle 42 is mounted on one end of the driving rod 41, a first gear 43 is mounted on one end of the driving rod 41, a second gear 44 is mounted on one end of the first gear 43, a rotating rod 45 is connected to the axis of the second gear 44, a rotating disk 46 is mounted on one end of the rotating rod 45, a connecting rod 47 is rotatably mounted on the surface of the rotating disk 46, a clamping block 48 is rotatably mounted on one end of the connecting rod 47, and a sliding groove 49 is provided on the surface of the clamping platform 3.

[0020] The driving rod 41 passes through the supporting frame 2 and rotates inside through the bearing. The angle between the extended line of the axis of the first gear 43 and the extended line of the axis of the second gear 44 is ninety degrees. When the equipment is in use, in order to fix the workpiece more stably, the workpiece is first placed on the clamping table 3, and then the handle 42 is turned to rotate the driving rod 41. The rotation of the driving rod 41 drives the first gear 43 to rotate. The first gear 43 rotates the second gear 44 through meshing. The second gear 44 drives the rotating rod 45 and the turntable 46 to rotate. In this way, the turntable 46 rotates and pulls the connecting rod 47. The pulling of the connecting rod 47 makes the clamping block 48 slide in the slide groove 49. In this way, the clamping block 48 clamps and fixes the workpiece. This fixing method is efficient and stable, the workpiece is not easy to loosen, and the use effect of the equipment is improved.

[0021] Two groups of connecting rods 47 are rotatably mounted on the surface of the rotating disk 46 , and one end of each connecting rod 47 is rotatably mounted with a clamping block 48 . The clamping block 48 forms a sliding structure with the clamping platform 3 through a sliding groove 49 .

[0022] A protective mechanism 5 is provided on the surface of the machine body 1, and the protective mechanism 5 includes an electric cylinder 51 installed on the surface of the machine body 1, and a rack 52 is installed on the output shaft of the electric cylinder 51, and a rotating tooth 53 is meshed on the surface of the rack 52. A fixing pin 54 penetrates the axis of the rotating tooth 53, and a protective plate 55 is installed on the surface of the fixing pin 54. When the equipment is processing the workpiece, for the safety of the operator, the electric cylinder 51 can be started, and the electric cylinder 51 drives the rack 52, and the rotating tooth 53 is pushed by the rack 52 to rotate the rotating tooth 53. When the rotating tooth 53 rotates, the protective plate 55 rotates, so that the protective plate 55 can protect the operator to prevent electric sparks from causing harm to the operator.

[0023] The fixing pin 54 passes through the rotating tooth 53 and one end of the fixing pin 54 is mounted on the body 1 . The fixing pin 54 is symmetrically arranged with respect to the central axis of the body 1 .

[0024] The electric cylinder 51 pushes the rack 52 to rotate the rotating tooth 53 .

[0025] The working principle of an electrode fixture with a protective device for electrospark machining provided by the utility model is as follows:

[0026] The first step: in order to fix the workpiece more stably when the equipment is in use, first place the workpiece on the clamping table 3, then turn the handle 42 to rotate the driving rod 41, the driving rod 41 rotates to drive the first gear 43 to rotate, the first gear 43 rotates the second gear 44 through meshing, the second gear 44 drives the rotating rod 45 and the turntable 46 to rotate, so that the turntable 46 rotates and pulls the connecting rod 47, and the clamping block 48 slides in the slide groove 49 through the pulling of the connecting rod 47, and the workpiece is clamped and fixed by the clamping block 48 in this way. This fixing method is efficient and stable, the workpiece is not easy to loosen, and the use effect of the equipment is improved.

[0027] Step 2: When the equipment is processing the workpiece, for the operator's safety during operation, the electric cylinder 51 can be started, and the electric cylinder 51 drives the rack 52, and the rack 52 pushes the rotating tooth 53 to rotate the rotating tooth 53. When the rotating tooth 53 rotates, the protective plate 55 rotates, so that the protective plate 55 can protect the operator to prevent electric sparks from causing harm to the operator.

[0028] Compared with the related art, the electrode fixture with a protective device for electrospark machining provided by the utility model has the following beneficial effects:

[0029] The device is designed with a clamping mechanism. In order to fix the workpiece more stably when the equipment is in use, the workpiece is first placed on the clamping table, and then the handle is turned to rotate the driving rod. The rotation of the driving rod drives the first gear to rotate, and the first gear rotates the second gear through meshing, and the second gear drives the rotating rod and the turntable to rotate. In this way, the turntable rotates and the connecting rod is pulled at the same time. The clamping block slides in the slide groove by pulling the connecting rod. In this way, the workpiece is clamped and fixed by the clamping block. This fixing method is efficient and stable, the workpiece is not easy to loosen, and the use effect of the equipment is improved.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An electrode fixture with a protective device for electrospark machining, comprising a body (1), characterized in that: A support frame (2) is mounted on the surface of the machine body (1), a clamping platform (3) is mounted on the surface of the support frame (2), a clamping mechanism (4) is arranged at the bottom of the clamping platform (3), the clamping mechanism (4) comprises a driving rod (41) penetrating the surface of the support frame (2), a handle (42) is mounted on one end of the driving rod (41), a first gear (43) is mounted on one end of the driving rod (41), a second gear (44) is mounted on one end of the first gear (43), a rotating rod (45) is connected to the axis of the second gear (44), and a rotating disk (46) is mounted on one end of the rotating rod (45). A connecting rod (47) is rotatably mounted on the surface of the rotating disk (46), a clamping block (48) is rotatably mounted on one end of the connecting rod (47), a sliding groove (49) is provided on the surface of the clamping platform (3), a protective mechanism (5) is provided on the surface of the machine body (1), the protective mechanism (5) comprises an electric cylinder (51) mounted on the surface of the machine body (1), a rack (52) is mounted on the output shaft of the electric cylinder (51), a rotating tooth (53) is meshed on the surface of the rack (52), a fixing pin (54) is passed through the axis of the rotating tooth (53), and a protective plate (55) is mounted on the surface of the fixing pin (54).

2. The electrode fixture with a protective device for electrospark machining according to claim 1, characterized in that: The driving rod (41) passes through the support frame (2) and rotates inside through a bearing, and the angle between the extended line of the axis of the first gear (43) and the extended line of the axis of the second gear (44) is ninety degrees.

3. The electrode fixture with a protective device for electrospark machining according to claim 2, characterized in that: The connecting rod (47) has two groups of rotatably mounted on the surface of the rotating disk (46), and one end of each connecting rod has a clamping block (48) rotatably mounted thereon. The clamping block (48) forms a sliding structure with the clamping platform (3) via a sliding groove (49).

4. The electrode fixture with a protective device for electrospark machining according to claim 3, characterized in that: The fixing pin (54) passes through the rotating tooth (53) and one end of the fixing pin is mounted on the machine body (1). The fixing pin (54) is symmetrically arranged with respect to the central axis of the machine body (1).

5. The electrode fixture with a protective device for electrospark machining according to claim 4, characterized in that: The electric cylinder (51) pushes the rack (52) to rotate the rotating tooth (53).

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