Shaft workpiece milling machine machining clamping jig

Abstract

The utility model relates to the technical field of jigs, and discloses a shaft workpiece milling machine machining clamping jig which comprises a rotating disc, the lower surface of the rotating disc is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a connecting block, and the outer wall of the connecting block is fixedly connected with a first driving rod. A first rotating shaft is rotatably connected to the inner wall of the first driving rod, a clamping block is fixedly connected to the outer wall of a second rotating shaft, the outer wall of a third rotating shaft is rotatably connected to the inner wall of a supporting block, an operation table is rotatably connected to the outer wall of a rotating disc, and a protection assembly is arranged on the outer wall of the operation table. According to the clamping device, the hydraulic cylinder drives the connecting block to drive the first driving rod to slide on the inner wall of the rotating disc, the limiting effect is achieved, the second driving rod is driven to rotate on the outer wall of the supporting block through limiting of the first rotating shaft, the second rotating shaft drives the clamping blocks to conduct inward clamping, and the effect of rapidly fixing a workpiece is achieved; and the structure is simple, and the effect of rapid replacement and maintenance can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fixtures, in particular to a machining and clamping fixture for a shaft workpiece milling machine. Background Art

[0002] When machining shaft workpieces on a milling machine, a special clamping fixture is usually required to ensure the stable fixation and machining accuracy of the workpiece. The four-jaw chuck is similar to the three-jaw chuck, but has an additional claw, which makes the clamping more balanced and stable. This clamping fixture is suitable for workpieces that require higher clamping force and higher machining accuracy. During use, the machining clamping fixture can prevent the workpiece from moving. During use, it can better avoid the problem of machining errors caused by workpiece offset. During use, the tooling clamping fixture also has the effect of quickly fixing the workpiece.

[0003] However, most processing fixtures have complex structures during use, which makes them difficult to replace and maintain during maintenance. Summary of the invention

[0004] The purpose of the present application is to provide a processing clamping fixture for a shaft workpiece milling machine, so as to improve the problem that the processing clamping fixture has a complex structure during use, resulting in difficulty in replacement and maintenance during maintenance.

[0005] The present application provides a shaft workpiece milling machine processing clamping fixture adopts the following technical solution:

[0006] A milling machine processing clamping fixture for shaft workpieces comprises a turntable, the lower surface of the turntable is fixedly connected to a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to a connecting block, the outer wall of the connecting block is fixedly connected to a first driving rod, the inner wall of the first driving rod is rotatably connected to a first rotating shaft, the upper surface of the turntable is fixedly connected to a supporting block, the outer wall of the first rotating shaft is rotatably connected to a second driving rod, the outer wall of the second driving rod is rotatably connected to the inner wall of the supporting block, the inner wall of the second driving rod is rotatably connected to the second rotating shaft, the outer wall of the second rotating shaft is fixedly connected to a clamping block, the inner wall of the clamping block is rotatably connected to a third rotating shaft, the outer wall of the third rotating shaft is fixedly connected to a limiting rod, the outer wall of the third rotating shaft is rotatably connected to the inner wall of the supporting block, the outer wall of the turntable is rotatably connected to an operating table, and the outer wall of the operating table is provided with a protective component.

[0007] Preferably, the protection component includes a slide bar, the outer wall of the slide bar is slidably connected to the inner wall of the operating table, the inner wall of the operating table is provided with a slide groove, the outer wall of the slide bar is slidably connected to the inner wall of the slide groove, the outer wall of the slide bar is fixedly connected to a side panel, and the outer wall of the side panel is slidably connected to the outer wall of the operating table.

[0008] Preferably, a rotation limiting groove is formed on the inner wall of the operating table, the outer wall of the turntable is rotatably connected to the inner wall of the rotation limiting groove, and a support column is fixedly connected to the lower surface of the operating table.

[0009] Preferably, the outer wall of the side plate is slidably connected to the outer wall of the pillar, the lower surface of the pillar is fixedly connected to the bottom plate, and the inner wall of the bottom plate is provided with a sliding groove.

[0010] Preferably, the outer wall of the slide bar is slidably connected to the inner wall of the bottom plate, and the upper surface of the bottom plate is fixedly connected with a fixed leg.

[0011] Preferably, the upper surface of the fixed leg is fixedly connected to a support plate, the lower surface of the support plate is fixedly connected to a motor, and the output end of the motor is fixedly connected to a first pulley.

[0012] Preferably, the outer wall of the first pulley is slidably connected to a belt body, and the outer wall of the belt body is slidably connected to a second pulley.

[0013] Preferably, the upper surface of the second pulley is fixedly connected to an inner shell, and the upper surface of the inner shell is fixedly connected to the lower surface of the turntable.

[0014] In summary, the present application includes at least one of the following beneficial technical effects for the processing and clamping of shaft workpieces by milling machines:

[0015] 1. In the utility model, the turntable 1 drives the connecting block to drive the first driving rod to slide on the inner wall of the turntable to play a limiting effect, and then the second driving rod is driven to rotate on the outer wall of the support block through the limiting of the first rotating shaft, and the clamping block is driven to clamp inside through the second rotating shaft, so as to quickly fix the workpiece, and the simple structure can achieve the effect of rapid replacement and maintenance;

[0016] 2. In the utility model, the side panels are driven by the slide bar to slide into the inner wall of the operating table and the bottom plate. The slide groove can prevent the side panels from falling off and can be quickly installed during use. The side panels can protect the internal structure during use.

[0017] 3. In the utility model, the motor drives the first pulley and the belt body to drive the second pulley. During use, the second pulley drives the inner shell to drive the turntable to rotate on the inner wall of the rotating limit groove, which can achieve the effect of rotating the workpiece during the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a clamping fixture for machining shaft workpieces on a milling machine proposed by the utility model;

[0019] Figure 2This is a schematic diagram of an operating table for a shaft workpiece milling machine clamping fixture proposed by the utility model;

[0020] Figure 3 A schematic diagram of a slide bar of a fixture for machining a shaft workpiece on a milling machine proposed by the utility model;

[0021] Figure 4 The utility model is a schematic diagram of a belt body of a clamping fixture for machining shaft workpieces on a milling machine.

[0022] In the figure, 1, turntable; 2, connecting block; 3, first driving rod; 4, hydraulic cylinder; 5, first rotating shaft; 6, second driving rod; 7, second rotating shaft; 8, clamping block; 9, limiting rod; 10, third rotating shaft; 11, supporting block; 12, operating table; 13, slide groove; 14, slide bar; 15, side plate; 16, pillar; 17, bottom plate; 18, fixed leg; 19, support plate; 20, motor; 21, first pulley; 22, belt body; 23, second pulley; 24, inner shell; 25, rotation limiting groove. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1 -Attached Figure 4 , further details of this application are given.

[0024] Reference Figure 1-Figure 3 The utility model provides an embodiment: a milling machine processing fixture for shaft workpieces, including a turntable 1, a hydraulic cylinder 4 is fixedly connected to the lower surface of the turntable 1, a connecting block 2 is fixedly connected to the output end of the hydraulic cylinder 4, a first driving rod 3 is fixedly connected to the outer wall of the connecting block 2, a first rotating shaft 5 is rotatably connected to the inner wall of the first driving rod 3, a supporting block 11 is fixedly connected to the upper surface of the turntable 1, a second driving rod 6 is rotatably connected to the outer wall of the first rotating shaft 5, an outer wall of the second driving rod 6 is rotatably connected to the inner wall of the supporting block 11, a second rotating shaft 7 is rotatably connected to the inner wall of the second driving rod 6, and an outer wall of the second rotating shaft 7 is fixedly connected There is a clamping block 8, the inner wall of the clamping block 8 is rotatably connected to the third rotating shaft 10, the outer wall of the third rotating shaft 10 is fixedly connected to the limiting rod 9, the outer wall of the third rotating shaft 10 is rotatably connected to the inner wall of the supporting block 11, the outer wall of the turntable 1 is rotatably connected to the operating table 12, and the outer wall of the operating table 12 is provided with a protection component; the protection component includes a slide bar 14, the outer wall of the slide bar 14 is slidably connected to the inner wall of the operating table 12, the inner wall of the operating table 12 is provided with a slide groove 13, the outer wall of the slide bar 14 is slidably connected to the inner wall of the slide groove 13, the outer wall of the slide bar 14 is fixedly connected to the side plate 15, and the outer wall of the side plate 15 is slidably connected to the outer wall of the operating table 12;

[0025] Specifically, the hydraulic cylinder 4 is started to drive the connecting block 2 and the first driving rod 3 to move up and down. The first driving rod 3 drives the second driving rod 6 under the limit of the first rotating shaft 5, which drives the second rotating shaft 7 and the clamping block 8 to clamp inward. The limiting rod 9 and the third rotating shaft 10 can limit the clamping block 8. The supporting block 11 can fix and limit the limiting rod 9, which has the effect of quickly fixing and processing the workpiece during use.

[0026] Reference Figure 3-Figure 4 The inner wall of the operating table 12 is provided with a rotation limiting groove 25, the outer wall of the turntable 1 is rotatably connected to the inner wall of the rotation limiting groove 25, and the lower surface of the operating table 12 is fixedly connected with a support 16; the outer wall of the side plate 15 is slidably connected to the outer wall of the support 16, and the lower surface of the support 16 is fixedly connected with a bottom plate 17, and the inner wall of the bottom plate 17 is provided with a slide groove 13; the outer wall of the slide bar 14 is slidably connected to the inner wall of the bottom plate 17, and the upper surface of the bottom plate 17 is fixedly connected with a fixed leg 18;

[0027] Specifically, the turntable 1 rotates on the inner wall of the rotation limiting groove 25, and can clamp and rotate the workpiece during use, and can perform rotation processing during use.

[0028] Reference Figure 4 The upper surface of the fixed leg 18 is fixedly connected with a support plate 19, the lower surface of the support plate 19 is fixedly connected with a motor 20, and the output end of the motor 20 is fixedly connected with a first pulley 21; the outer wall of the first pulley 21 is slidably connected with a belt body 22, and the outer wall of the belt body 22 is slidably connected with a second pulley 23; the upper surface of the second pulley 23 is fixedly connected with an inner shell 24, and the upper surface of the inner shell 24 is fixedly connected to the lower surface of the turntable 1;

[0029] Specifically, the fixed leg 18 and the support plate 19 support the internal rotating structure. The motor 20 drives the first pulley 21 to drive the belt body 22 and the second pulley 23 to drive the inner shell 24 to rotate. The inner shell 24 can drive the turntable 1 to rotate inside the rotating limit groove 25, thereby achieving a rotation effect during use.

[0030] The implementation principle of the embodiment of the present application is as follows: when the device is needed, the workpiece is placed on the upper surface of the turntable 1 and the connecting block 2 and the first driving rod 3 are driven to move up and down by starting the hydraulic cylinder 4. The first driving rod 3 drives the second driving rod 6 under the limit of the first rotating shaft 5 to drive the second rotating shaft 7 and the clamping block 8 to clamp inward. During use, the clamping block 8 can be limited by the limiting rod 9 and the third rotating shaft 10. During use, the limiting rod 9 can be fixed and limited by the supporting block 11. During use, the workpiece can be quickly clamped. The structure is simple during use, and it can be more convenient to replace during maintenance and updating in the later stage. It also has the effect of facilitating maintenance. During use, the sliding bar 14 and the side plate 15 slide into the inner wall of the sliding groove 13, which can quickly install the side plate 15. The operating table 12 and the bottom plate 17 can be used during use. In order to better protect the internal structure, the pillar 16 can support the whole during use to prevent the machine from shaking. The fixed legs 18 and the support plates 19 can support the internal rotating structure. The motor 20 drives the first pulley 21 to drive the belt body 22 and the second pulley 23 to drive the inner shell 24 to rotate. During use, the turntable 1 can be driven by the inner shell 24 to rotate on the inner wall of the rotation limit groove 25. During use, the workpiece can be clamped and rotated, and the processing can be better coordinated during use. During use, the device not only drives the second drive rod 6 to rotate on the outer wall of the support block 11 through the limit of the first rotating shaft 5, but also drives the clamping block 8 to clamp inwardly through the second rotating shaft 7, which has the effect of quickly fixing the workpiece, and the simple structure can achieve the effect of quick replacement and maintenance, and also has the effect of rotating the workpiece during the processing.

[0031] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A fixture for machining and clamping shaft workpieces on a milling machine, comprising a turntable (1), characterized in that: The lower surface of the rotating disk (1) is fixedly connected to a hydraulic cylinder (4), the output end of the hydraulic cylinder (4) is fixedly connected to a connecting block (2), the outer wall of the connecting block (2) is fixedly connected to a first driving rod (3), the inner wall of the first driving rod (3) is rotatably connected to a first rotating shaft (5), the upper surface of the rotating disk (1) is fixedly connected to a supporting block (11), the outer wall of the first rotating shaft (5) is rotatably connected to a second driving rod (6), and the outer wall of the second driving rod (6) is rotatably connected to the supporting block (11). The inner wall of the second driving rod (6) is rotatably connected to the second rotating shaft (7), the outer wall of the second rotating shaft (7) is fixedly connected to a clamping block (8), the inner wall of the clamping block (8) is rotatably connected to the third rotating shaft (10), the outer wall of the third rotating shaft (10) is fixedly connected to a limiting rod (9), the outer wall of the third rotating shaft (10) is rotatably connected to the inner wall of the supporting block (11), the outer wall of the turntable (1) is rotatably connected to an operating table (12), and the outer wall of the operating table (12) is provided with a protective component.

2. The fixture for machining shaft workpieces using a milling machine according to claim 1, characterized in that: The protection component comprises a slide bar (14), the outer wall of which is slidably connected to the inner wall of an operating table (12), the inner wall of which is provided with a slide groove (13), the outer wall of which is slidably connected to the inner wall of the slide groove (13), the outer wall of which is fixedly connected to a side plate (15), the outer wall of which is slidably connected to the outer wall of the operating table (12).

3. The fixture for machining shaft workpieces using a milling machine according to claim 2, characterized in that: The inner wall of the operating table (12) is provided with a rotation limiting groove (25), the outer wall of the turntable (1) is rotatably connected to the inner wall of the rotation limiting groove (25), and the lower surface of the operating table (12) is fixedly connected to a support column (16).

4. The fixture for machining shaft workpieces by a milling machine according to claim 3, characterized in that: The outer wall of the side plate (15) is slidably connected to the outer wall of the pillar (16); the lower surface of the pillar (16) is fixedly connected to a bottom plate (17); and a sliding groove (13) is provided on the inner wall of the bottom plate (17).

5. The fixture for machining shaft workpieces using a milling machine according to claim 4, characterized in that: The outer wall of the slide bar (14) is slidably connected to the inner wall of the bottom plate (17), and the upper surface of the bottom plate (17) is fixedly connected with a fixed leg (18).

6. The fixture for machining shaft workpieces by milling machine according to claim 5, characterized in that: The upper surface of the fixed leg (18) is fixedly connected to a support plate (19), the lower surface of the support plate (19) is fixedly connected to a motor (20), and the output end of the motor (20) is fixedly connected to a first pulley (21).

7. The fixture for machining shaft workpieces using a milling machine according to claim 6, characterized in that: The outer wall of the first belt pulley (21) is slidably connected to a belt body (22), and the outer wall of the belt body (22) is slidably connected to a second belt pulley (23).

8. The fixture for machining shaft workpieces using a milling machine according to claim 7, characterized in that: The upper surface of the second pulley (23) is fixedly connected to an inner shell (24), and the upper surface of the inner shell (24) is fixedly connected to the lower surface of the turntable (1).

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