Novel positioning clamp device for machining

Abstract

The utility model discloses a novel positioning fixture device for machining, which comprises a machining table, a channel, travel grooves, a rotating shaft, an L-shaped column, a hydraulic cylinder, a fixture pushing structure, a rotating drum, a support and a contact block, the channel is transversely formed in the middle of the bottom end of the machining table, and the travel grooves are formed in the front part and the rear part of the top end of the channel through the left end and the right end of the machining table; the rotating shaft is installed on the machining table through a channel, the L-shaped column is fixed to the upper portion of the left end of the machining table, the hydraulic cylinder is installed on the left side of the channel through the L-shaped column, the clamp pushing structures are installed in the stroke grooves through the channel, the rotating cylinders are installed at the tops of the clamp pushing structures through the stroke grooves correspondingly, and the supports are installed at the side ends of the rotating cylinders. The contact block is installed at the inner end of the support. According to the clamp, the problems that for different workpiece machining requirements, some workpieces need to be positioned and clamped on the two faces, some workpieces need to be clamped on the three faces or even the four faces, and the replacement of the clamp is tedious are solved.

Description

Technical Field

[0001] This utility model relates to the field of machining, and in particular to a novel positioning fixture device for machining. Background Technology

[0002] Positioning fixtures in machining are devices used to ensure that the workpiece remains in the correct position relative to the cutting tool and machine tool during machining. They are crucial for ensuring machining accuracy, improving production efficiency, and ensuring operational safety. The design and selection of positioning fixtures depend primarily on the shape, size, material of the workpiece, and specific machining requirements.

[0003] When performing machining, different workpieces require different processing requirements. Some workpieces need to be positioned and clamped on two sides, while others need to be clamped on three or even four sides. Changing the fixtures for these workpieces is quite cumbersome. Utility Model Content

[0004] The purpose of this utility model is to provide a new type of positioning fixture device for machining, so as to solve the above-mentioned technical problems.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: A novel positioning fixture device for machining includes a machining table, a channel, a stroke groove, a rotating shaft, an L-shaped column, a hydraulic cylinder, a fixture pushing structure, a rotating cylinder, a bracket, and a contact block. The machining table has a channel horizontally opened in the middle of its bottom end. The stroke groove is opened at the front and rear of the top of the channel through the left and right ends of the machining table. The rotating shaft is installed on the machining table through the channel. The L-shaped column is fixed to the upper left end of the machining table. The hydraulic cylinder is installed on the left side of the channel through the L-shaped column. The fixture pushing structure is installed in the stroke groove through the channel. The rotating cylinder is installed on the top of the fixture pushing structure through the stroke groove. The bracket is installed on the side end of the rotating cylinder. The contact block is installed on the inner end of the bracket.

[0006] Based on the above technical solution, the clamping and pushing structure includes a slider, a limiting block, a support column, a synchronous shaft cylinder, and a transmission connecting rod. The left and right sliders are slidably connected to the channel, and the left slider is connected to the hydraulic cylinder. The limiting block is fixed to the front and rear parts of the top of the slider and is slidably connected to the stroke groove. The support column is fixed to the top of the limiting block and is rotatably connected to the support column. The synchronous shaft cylinder is rotatably connected to the lower part of the rotating shaft through the channel. The two transmission connecting rods are respectively connected to the left and right sliders and the synchronous shaft cylinder.

[0007] Based on the above technical solution, the left slider is driven by the hydraulic cylinder to drive the right slider to move synchronously through the synchronous shaft cylinder.

[0008] Compared with the prior art, this utility model has the following advantages: By opening a channel at the bottom of the machining table to install the clamping mechanism, this utility model achieves the elimination of the need to drive the clamp on the surface of the machining table, thus providing space for clamping actions and clamp replacement. Operation is simple. Attached Figure Description

[0009] Figure 1 This is a schematic diagram of the appearance and structure of this utility model.

[0010] Figure 2 This is a schematic diagram of the positioning and clamping state of this utility model.

[0011] Figure 3 This is a schematic diagram of the clamping and pushing structure of this utility model.

[0012] In the diagram: 1. Machining table, 2. Channel, 3. Stroke groove, 4. Rotary shaft, 5. L-shaped column, 6. Hydraulic cylinder, 7. Fixture propulsion structure, 8. Rotary drum, 9. Support, 10. Contact fastener, 11. Slider, 12. Limiting block, 13. Support column, 14. Synchronous shaft cylinder, 15. Transmission connecting rod. Detailed Implementation

[0013] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0014] like Figures 1 to 3 As shown, a novel positioning fixture device for machining includes a machining table 1, a channel 2, a stroke groove 3, a rotating shaft 4, an L-shaped column 5, a hydraulic cylinder 6, a fixture pushing structure 7, a rotating cylinder 8, a bracket 9, and a contact block 10. The machining table 1 has a channel 2 horizontally opened in the middle of its bottom end. The stroke groove 3 is opened at the left and right ends of the machining table 1 at the front and rear ends of the top of the channel 2. The rotating shaft 4 is installed on the machining table 1 through the channel 2. The L-shaped column 5 is fixed to the upper left end of the machining table 1. The hydraulic cylinder 6 is installed on the left side of the channel 2 through the L-shaped column 5. The fixture pushing structure 7 is installed on the stroke groove 3 through the channel 2. The rotating cylinder 8 is installed on the top of the fixture pushing structure 7 through the stroke groove 3. The bracket 9 is installed on the side end of the rotating cylinder 8. The contact block 10 is installed on the inner end of the bracket 9.

[0015] The clamping and pushing structure 7 includes a slider 11, a limiting block 12, a support column 13, a synchronous shaft cylinder 14, and a transmission connecting rod 15. The left and right sliders 11 are slidably connected to the channel 2, and the left slider 11 is connected to the hydraulic cylinder 6. The limiting block 12 is fixed to the front and rear parts of the top of the slider 11, and the limiting block 12 is slidably connected to the stroke groove 3. The support column 13 is fixed to the top of the limiting block 12, and the rotating cylinder 8 is rotatably connected to the support column 13. The synchronous shaft cylinder 14 is rotatably connected to the lower part of the rotating shaft 4 through the channel 2. The two transmission connecting rods 15 are respectively connected to the left and right sliders 11 and the synchronous shaft cylinder 14.

[0016] The left slider 11 is driven by the hydraulic cylinder 6 and drives the right slider 11 to move synchronously through the synchronous shaft cylinder 14.

[0017] The working principle of this utility model is as follows: Based on the processing requirements of the workpiece, the clamp connected to the rotating drum 8 is loaded and unloaded via the early support column 13. When the workpiece is placed on the processing table 1, the hydraulic cylinder 6 is activated to drive the left slider 11. Simultaneously, the left slider 11 slides to the right along the channel 2, while the transmission link 15 drives the synchronous rotating drum 14 to rotate along the rotating shaft 4, causing the right slider 11 to slide towards it. The slider 11 then slides along the stroke groove 3. This achieves the goal of not driving the clamp on the surface of the processing table 2, thus providing space for the clamping action and replacement of the bracket 9 connected to the rotating drum 8 and the contact block 10. The bracket 9 abuts against the side of the workpiece through the contact block 10, or the workpiece abuts against one side of the contact block 10, forcing the other bracket 9 to rotate so that another contact block 10 abuts against multiple sides of the workpiece, achieving multi-faceted positioning and clamping. Operation is simple.

[0018] The above description is a preferred embodiment of the present utility model. For those skilled in the art, any changes, modifications, substitutions and variations made to the implementation methods without departing from the principles and spirit of the present utility model, based on the teachings of the present utility model, still fall within the protection scope of the present utility model.

Claims

1. A novel positioning fixture device for machining, comprising a machining table (1), a channel (2), a stroke groove (3), a rotating shaft (4), an L-shaped column (5), a hydraulic cylinder (6), a fixture pushing structure (7), a rotating cylinder (8), a support (9), and a contact block (10), characterized in that: The processing table (1) has a horizontal channel (2) at the bottom center. The stroke groove (3) is opened at the top front and back of the channel (2) through the left and right ends of the processing table (1). The rotating shaft (4) is installed on the processing table (1) through the channel (2). The L-shaped column (5) is fixed to the upper left end of the processing table (1). The hydraulic cylinder (6) is installed on the left side of the channel (2) through the L-shaped column (5). The clamping push structure (7) is installed on the stroke groove (3) through the channel (2). The rotating cylinder (8) is installed on the top of the clamping push structure (7) through the stroke groove (3). The bracket (9) is installed on the side end of the rotating cylinder (8). The contact block (10) is installed on the inner end of the bracket (9).

2. The novel positioning fixture device for machining according to claim 1, characterized in that: The clamping and pushing structure (7) includes a slider (11), a limiting block (12), a support column (13), a synchronous shaft cylinder (14), and a transmission link (15). The left and right sliders (11) are slidably connected to the channel (2), and the left slider (11) is connected to the hydraulic cylinder (6). The limiting block (12) is fixed to the front and rear parts of the top of the slider (11), and the limiting block (12) is slidably connected to the stroke groove (3). The support column (13) is fixed to the top of the limiting block (12), and the rotating cylinder (8) is rotatably connected to the support column (13). The synchronous shaft cylinder (14) is rotatably connected to the lower part of the rotating shaft (4) through the channel (2). The two transmission links (15) are respectively connected to the left and right sliders (11) and the synchronous shaft cylinder (14).

3. A novel positioning fixture device for machining according to claim 2, characterized in that: The left slider (11) is driven by the hydraulic cylinder (6) and drives the right slider (11) to move synchronously through the synchronous shaft cylinder (14).

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