Out-machine installation and quick replacement clamp suitable for electromachining equipment

Abstract

The utility model discloses an off-machine installation quick-change fixture suitable for electromachining equipment, which comprises two or more sets of same fixtures, each set of fixture comprises a fixing mechanism and a moving mechanism, the fixing mechanism comprises a fixing base and a conical positioning sleeve, and the conical positioning sleeve is provided with a positioning hole. The fixed base is fixedly installed on a machine tool outer workbench and a machine tool workbench through the fixing bolts respectively, the conical positioning sleeve is embedded in the fixed base, the conical positioning sleeve is matched with a conical positioning pin of the moving mechanism to rapidly align the position and then is locked through the locking bolt, and after a workpiece is leveled and locked on the machine tool outer workbench, the workpiece is fixed through the locking bolt. And the locking bolts are loosened, the moving mechanisms are taken down, the moving mechanisms for completing workpiece machining on the machine tool workbench are rapidly replaced, and the actions are repeated to achieve off-machine installation of multiple workpieces in batches. And during batch production, the problem of low production efficiency caused by long-time occupation of electric machining equipment due to workpiece installation is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric processing, in particular to a quick replacement fixture for external installation applicable to electric processing equipment. Background Art

[0002] Electric processing equipment is widely used in the metal processing industry, including wire cutting, middle wire walking, slow wire walking, etc. The processing time of such equipment for workpieces is relatively long, and the processing mode of one person operating multiple machines is mostly adopted. When loading the workpiece onto the equipment, operations such as straightening and aligning the reference need to be carried out. At present, the straightening and aligning of the workpiece are basically carried out directly on the processing equipment, and the operator needs to occupy the effective working time of the processing equipment for a long time during the installation process, resulting in low production efficiency of the processing equipment.

[0003] Chinese Patent No. CN201610170199.1 discloses a fixture for fixing a workpiece used in a wire electrical discharge machining machine, which includes a table fixing part for fixing on the table of the wire electrical discharge machining machine; and a workpiece fixing part with an opening through which the electrode wire is inserted, and a fastening member is used to cover the opening from the opening direction of the opening and is disposed above the opening to fix the workpiece used in the wire electrical discharge machining machine, realizing the reduction of waste of the workpiece at the gripping part of the fixture, but it fails to solve the problem that the straightening and aligning of the workpiece are basically carried out on the processing equipment for a long time, occupying the processing equipment.

[0004] In summary, developing a quick installation fixture for straightening and installing the workpiece outside the processing equipment, and when the processing equipment stops after completing the processing of the workpiece, quickly installing and fixing the fixture with the workpiece to be processed installed outside onto the processing equipment, so as to avoid the low productivity of the equipment caused by the long-term occupation of the processing equipment for installing the workpiece has become an urgent problem to be solved by relevant technical personnel in this field. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a quick replacement fixture for external installation applicable to electric processing equipment, so as to avoid the low production efficiency caused by the long-term occupation of the processing equipment for installing the workpiece.

[0006] The purpose of the utility model is solved by the following technical solutions:

[0007] An external installation quick-change fixture applicable to electric machining equipment, comprising two or more sets of identical fixtures. Each fixture includes a fixing mechanism and a moving mechanism. The fixing mechanism includes a fixing base and a conical positioning sleeve. The fixing base is respectively installed and fixed on the external workbench of the machine tool and the workbench of the machine tool through fixing bolts. The conical positioning sleeve is embedded in the fixing base. After the conical positioning sleeve is quickly aligned with the conical positioning pin of the moving mechanism, it is locked by a locking bolt. After the workpiece is leveled and locked on the external workbench of the machine tool, the locking bolt is loosened, and the moving mechanism is removed to quickly replace the moving mechanism of the workpiece processed on the workbench of the machine tool. By repeating the above actions, the external installation of a batch of multiple workpieces is realized.

[0008] For the above-mentioned external installation quick-change fixture applicable to electric machining equipment, the moving mechanism includes a moving clamp body, an adjusting screw, a movable block, a conical positioning pin and a head fixing block. The moving clamp body is in the shape of a cuboid with a groove on one side. The movable block moves in the groove driven by the adjusting screw. The tail end of the adjusting screw is threadedly connected to the head fixing block. The head fixing block is fixedly connected to the moving clamp body. The conical positioning pin is arranged on the moving clamp body. By rotating the adjusting screw, the movable block clamps the workpiece located in the groove.

[0009] For the above-mentioned external installation quick-change fixture applicable to electric machining equipment, the conical positioning pin and the conical positioning sleeve have the same taper and are in sliding fit with each other.

[0010] For the above-mentioned external installation quick-change fixture applicable to electric machining equipment, N conical positioning sleeves can be provided, where N is 2-6. The number of conical positioning pins is the same as that of the conical positioning sleeves and they are in one-to-one cooperation.

[0011] For the above-mentioned external installation quick-change fixture applicable to electric machining equipment, the top surface of the conical positioning sleeve is flush with the top surface of the fixing base. Beneficial effects

[0012] An external installation quick-change fixture applicable to electric machining equipment provided by the present utility model, by setting two or more sets of identical fixtures, each fixture is provided with a fixing mechanism and a moving mechanism. The fixing mechanisms are respectively fixed on the external workbench of the machine tool and the workbench of the machine tool. The conical positioning sleeve and the conical positioning pin are used to quickly align the fixing mechanism and the moving mechanism, and are fixed with a locking bolt. After the workpiece is aligned and locked on the external workbench of the machine tool, the locking bolt is loosened, and the moving mechanism is removed to quickly replace the moving mechanism on the workbench of the machine tool. During mass production, the problem of low production efficiency caused by the long-term occupation of the electric machining equipment by the installation of workpieces is effectively solved. Description of the drawings

[0013] The present utility model will be further described in detail below with reference to the drawings.

[0014] Figure 1 is the structural schematic diagram of the present utility model;

[0015] Figure 2 is the structural schematic diagram of the fixing mechanism of the present utility model;

[0016] Figure 3 is the structural schematic diagram of the moving mechanism of the present utility model;

[0017] Figure 4 is the schematic diagram of the external workbench of the machine tool of the present utility model;

[0018] Figure 5 is the schematic diagram of the workbench of the machine tool of the present utility model;

[0019] Figure 6 is the structural schematic diagram of the cooperation between the conical positioning sleeve and the conical positioning pin of the present utility model.

[0020] Each label in the figure respectively represents: 1. Fixing mechanism, 2. Moving mechanism, 4. Machine tool workbench, 5. External workbench of the machine tool, 6. Workpiece, 7. Locking bolt, 1.1. Fixed base, 1.2. Fixed bolt, 1.4. Conical positioning sleeve, 2.1. Moving jaw body, 2.2. Adjusting screw, 2.3. Movable block, 2.4. Groove, 2.5. Conical positioning pin, 2.6. End fixing block. Specific embodiments

[0021] Refer to Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 The present utility model includes two or more sets of identical jigs. Each set of jigs includes a fixing mechanism 1 and a moving mechanism 2. The fixing mechanism 1 includes a fixed base 1.1 and a conical positioning sleeve 1.4. The fixed base 1.1 is respectively installed and fixed on the external workbench 5 of the machine tool and the workbench 4 of the machine tool through fixed bolts 1.2. The conical positioning sleeve 1.4 is embedded in the fixed base 1.1. After the conical positioning sleeve 1.4 is matched with the conical positioning pin 2.5 of the moving mechanism 2 to quickly align the position, it is locked by the locking bolt 7. After the workpiece 6 is leveled and locked on the external workbench 5 of the machine tool, the locking bolt 7 is loosened, the moving mechanism 2 is removed, and the moving mechanism 2 of the workpiece 6 processed on the workbench 4 of the machine tool is quickly replaced. Repeating the above actions realizes the off-machine installation of a batch of multiple workpieces 6.

[0022] Refer to Figure 3, the moving mechanism 2 includes a moving jaw body 2.1, an adjusting screw 2.2, a movable block 2.3, a tapered positioning pin 2.5 and a head fixing block 2.6. The moving jaw body 2.1 is in the shape of a cuboid with a groove 2.4 on one side. The movable block 2.3 moves in the groove 2.4 driven by the adjusting screw 2.2. The tail end of the adjusting screw 2.2 is threadedly connected to the head fixing block 2.6. The head fixing block 2.6 is fixedly connected to the moving jaw body 2.1. The tapered positioning pin 2.5 is arranged on the moving jaw body 2.1. Rotating the adjusting screw 2.2 causes the movable block 2.3 to clamp the workpiece 6 located in the groove 2.4.

[0023] See Figure 6 , the tapered positioning pin 2.5 has the same taper as the tapered positioning sleeve 1.4, and there is a sliding fit between the two.

[0024] See Figure 1 、 Figure 2 、 Figure 3 , N tapered positioning sleeves 1.4 can be provided, where N is 2 - 6. The number of tapered positioning pins 2.5 is the same as that of the tapered positioning sleeves 1.4 and they are in one-to-one cooperation.

[0025] See Figure 1 , the top of the tapered positioning sleeve 1.4 does not protrude above the top surface of the fixed base 1.1.

Claims

1. A quick-change fixture for external installation of electrical machining equipment, characterized in that: The invention comprises two or more sets of identical fixtures, each set of the fixtures comprises a fixing mechanism (1) and a moving mechanism (2), the fixing mechanism (1) comprises a fixing base (1.1) and a conical positioning sleeve (1.4), the fixing base (1.1) is respectively fixed on a machine tool external worktable (5) and a machine tool worktable (4) by fixing bolts (1.2), the conical positioning sleeve (1.4) is embedded in the fixing base (1.1), the conical positioning sleeve (1.4) cooperates with a conical positioning pin (2.5) of the moving mechanism (2) to quickly find the position and then is locked by a locking bolt (7), after the workpiece (6) is leveled and locked on the machine tool external worktable (5), the locking bolt (7) is loosened, the moving mechanism (2) is removed, and the moving mechanism (2) on the machine tool worktable (4) is quickly replaced to complete the processing of the workpiece (6), and the above actions are repeated to achieve the installation of multiple workpieces (6) externally in batches.

2. According to claim 1, a quick-change fixture for external installation of electrical machining equipment is characterized in that: The moving mechanism (2) comprises a moving pliers body (2.1), an adjusting screw (2.2), a movable block (2.3), a tapered positioning pin (2.5) and an end fixing block (2.6); the moving pliers body (2.1) is in the shape of a rectangular parallelepiped with a groove (2.4) on one side; the movable block (2.3) moves in the groove (2.4) driven by the adjusting screw (2.2); the tail end of the adjusting screw (2.2) is threadedly connected to the end fixing block (2.6); the end fixing block (2.6) is fixedly connected to the moving pliers body (2.1); the tapered positioning pin (2.5) is arranged on the moving pliers body (2.1); the adjusting screw (2.2) is rotated so that the movable block (2.3) clamps the workpiece (6) in the groove (2.4).

3. The quick-change fixture for external installation of electrical machining equipment according to claim 1 is characterized in that: The conical positioning pin (2.5) and the conical positioning sleeve (1.4) have the same taper, and the two are slidably matched.

4. The quick-change fixture for external installation of electrical machining equipment according to claim 1 is characterized in that: The conical positioning sleeves (1.4) may be provided in N numbers, where N is 2-6, and the number of the conical positioning pins (2.5) and the number of the conical positioning sleeves (1.4) are the same and they are matched one by one.

5. The quick-change fixture for external installation of electrical machining equipment according to claim 1 is characterized in that: The top of the conical positioning sleeve (1.4) is flush with the top surface of the fixed base (1.1).

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