A rotary cutting, clamping and positioning device for special-shaped pipes

Abstract

The invention relates to a rotary cutting, clamping and positioning device for special-shaped tubes, which has a bed, a cutting head, and a slidable arrangement on the bed; a positioning mechanism is arranged on the bed, and the positioning mechanism includes a pneumatic chuck driven by a motor to rotate and clamp the special-shaped tube, a centering assembly for positioning the special-shaped tube, and a positioning plate for positioning the special-shaped tube; the pneumatic chuck is slidably arranged on the bed, and the centering assembly includes a fixed mounting frame slidably arranged on the bed, and an upper pressing plate and a lower pressing plate for centering the special-shaped tube, and the upper pressing plate and the lower pressing plate are both lifted and arranged on the fixed mounting frame, and the positioning plate is slidably arranged on the bed, and a plurality of horizontal positioning holes corresponding to the positioning holes on the special-shaped tube are arranged on the positioning plate, and the pneumatic chuck, the centering assembly and the positioning plate are located on the same side of the bed, and the pneumatic chuck, the centering assembly and the positioning plate are slidably arranged on the bed in sequence. The invention effectively avoids the hidden dangers in processing, reduces production costs, and greatly improves work efficiency.

Description

Technical Field

[0001] The patent of the present invention relates to a rotary cutting, clamping and positioning device for special-shaped pipes. Background Art

[0002] With the development of the national economy, the utilization rate of modern mechanical equipment that replaces manual labor with mechanical labor is getting higher and higher. In actual production, the processing and production of special pipes require manual marking and drilling. Some holes with high positioning requirements need to be drilled first and then processed on a drilling machine. However, during the manual marking and drilling process, manual marking is prone to errors and deviations, and the clamping of special-shaped pipes on the drilling machine is also extremely inconvenient. When drilling holes, the drilling machine will deviate due to the pressure and vibration during drilling, resulting in the scrapping of special-shaped pipes, which reduces work efficiency and increases production costs, which is extremely inconvenient. Summary of the invention

[0003] The purpose of the patent of this invention is to provide a special-shaped pipe rotary cutting, clamping and positioning device which has a high degree of automation, is convenient to operate, and is practical and safe.

[0004] The technical solution for realizing the purpose of the patent of the present invention is as follows: the patent of the present invention has a bed, the bed is provided with a cutting head for cutting special-shaped tubes, the cutting head is slidably arranged on the bed; the bed is provided with a positioning mechanism for positioning the special-shaped tube, the positioning mechanism includes a pneumatic chuck driven by a motor to rotate and used to clamp the special-shaped tube, a centering assembly for positioning the special-shaped tube and a positioning plate for positioning the special-shaped tube, the pneumatic chuck is slidably arranged on the bed, the centering assembly includes a fixed mounting frame slidably arranged on the bed and an upper pressing plate and a lower pressing plate for centering the special-shaped tube, the upper pressing plate and the lower pressing plate are both lifted and lowered on the fixed mounting frame, the positioning plate is slidably arranged on the bed, the positioning plate is provided with a plurality of horizontal positioning holes which can correspond to the positioning holes on the substrate provided on the special-shaped tube, the pneumatic chuck, the centering assembly and the positioning plate are located on the same side of the bed, and the pneumatic chuck, the centering assembly and the positioning plate are slidably arranged on the bed in sequence.

[0005] A cylinder is fixedly provided on the above-mentioned fixed mounting frame, and the telescopic end of the cylinder is fixedly connected to the upper pressure plate. The upper pressure plate and the lower pressure plate are relatively provided with rollers for adjusting and rotating the special-shaped tube. An adjustment handle is rotatably provided at the bottom of the lower pressure plate, and a threaded portion is provided on the adjustment handle. A screw hole threadedly connected to the threaded portion is provided on the fixed mounting frame. The lower pressure plate is raised and lowered on the fixed mounting frame by cooperating with the threaded portion on the adjustment handle and the screw hole.

[0006] A plurality of guide shafts are fixedly arranged on the fixed mounting frame, a plurality of guide holes corresponding to the guide shafts are arranged on the lower pressing plate, and each guide shaft is slidably connected with the lower pressing plate after passing through the corresponding guide hole.

[0007] The positioning mechanism further comprises a rotating assembly, which comprises a fixing frame, on which the motor is fixed, which is slidably arranged on the bed, on which the pneumatic chuck is arranged, and the output end of the motor is connected to the pneumatic chuck.

[0008] The above-mentioned fixed mounting frame is provided with a fixed support block for fixing the cylinder, the fixed mounting frame is provided with a positioning screw hole, the fixed support block is provided with a plurality of adjustment holes which can be connected with the positioning screw hole after movement, the positioning screw hole is provided with a locking bolt, and the fixed support block is fixedly provided with a pressure plate, and the locking bolt passes through the adjustment hole and cooperates with the positioning screw hole thread to press the pressure plate onto the cylinder.

[0009] The fixed mounting frame is provided with an adjustment groove, the extension direction of which is parallel to the axial direction of the pneumatic chuck, an adjustment block is slidably provided in the adjustment groove, the screw hole is provided on the adjustment block, and the adjustment handle is connected to the adjustment block for lifting and lowering through the threaded cooperation between the threaded part on the adjustment handle and the screw hole.

[0010] The above-mentioned positioning mechanism also includes a positioning component, which includes a positioning mounting frame slidably set on the bed, and a positioning seat fixed on the positioning mounting frame and used to fix the positioning plate. The positioning seat is provided with a slot for the positioning plate to be inserted. After the positioning plate is inserted into the slot on the positioning seat, it is fixedly connected to the positioning seat.

[0011] The fixed mounting frame is provided with a locking screw hole, a first locking handle is arranged in the locking screw hole, a threaded portion is provided on the first locking handle, and the fixed mounting frame is fixedly arranged on the bed after the first locking handle passes through the locking screw hole.

[0012] The positioning mounting frame is provided with a tightening screw hole, a second locking handle is arranged in the tightening screw hole, a threaded portion is provided on the second locking handle, and the positioning mounting frame is fixedly arranged on the bed after the second locking handle passes through the tightening screw hole.

[0013] The patent of the present invention has positive effects: (1) The present invention arranges a positioning mechanism on the bed, and arranges the positioning mechanism as a combination of a pneumatic chuck, a centering assembly and a positioning plate driven to rotate by a motor, and arranges the centering assembly as a fixed mounting frame slidably connected to the bed, and an upper pressure plate and a lower pressure plate lifted and lowered on the fixed mounting frame. The special-shaped tube is centered by rotating the pneumatic chuck and adjusting the upper pressure plate and the lower pressure plate. When the positioning hole on the base plate of the special-shaped tube is aligned with the horizontal positioning hole on the positioning plate, the special-shaped tube is clamped and positioned by the upper pressure plate and the lower pressure plate, which effectively solves the errors in manual positioning processing and the deviation of the special-shaped tube during drilling in the prior art, and can meet the needs of various special-shaped tubes, avoiding the safety hazards of manual processing while reducing production costs, greatly improving work efficiency, and being convenient and efficient.

[0014] (2) The present invention raises and lowers the upper pressure plate on the fixed mounting frame through the cylinder, and the lower pressure plate clamps the special-shaped tube by cooperating the threaded portion on the adjusting handle with the threaded hole on the fixed mounting frame. The upper pressure plate and the lower pressure plate are both provided with rollers. After the upper pressure plate and the lower pressure plate clamp the special-shaped tube, when the pneumatic chuck is rotated and adjusted, the rollers can also be driven by the special-shaped tube to rotate, thereby avoiding the special-shaped tube from getting stuck during rotation. The clamping force can be adjusted by the cylinder and the adjusting handle, and it has good controllability and is efficient and practical.

[0015] (3) The present invention arranges a guide shaft on the fixed mounting frame and arranges a guide hole on the lower pressing plate for the guide shaft to pass through. On the one hand, the stability of the lower pressing plate during lifting can be ensured, and on the other hand, the lifting direction of the lower pressing plate can be guided, which is practical and convenient.

[0016] (4) The present invention sets a rotating assembly, and sets the rotating assembly as a fixed frame, the motor is set on the fixed frame, and the fixed frame is slidably set on the bed. The rotation of the special-shaped pipe can be accurately controlled by the drive of the motor, so as to efficiently perform the centering, which is practical and efficient.

[0017] (5) The present invention uses a fixed support block for fixing the cylinder on a fixed mounting frame, a positioning screw hole is provided on the fixed mounting frame, and an adjustment hole is provided on the fixed support block. After the locking bolt passes through the adjustment hole, it is threadedly connected with the positioning screw hole, thereby controlling the fixation and position adjustment of the cylinder. The present invention has good adjustability and controllability, and is practical and efficient.

[0018] (6) The present invention provides an adjustment groove on the fixed mounting frame, and the adjustment block is slidably set in the adjustment groove. The adjustment block is moved and the threaded portion on the adjustment handle cooperates with the screw hole to perform centering and clamping. The adjustment and use can be performed according to the shapes and sizes of different special-shaped pipes. The present invention has good adaptability and is practical and efficient.

[0019] (7) The present invention provides a positioning assembly, including a positioning mounting frame slidably arranged on the bed and a positioning seat for mounting the positioning plate. The positioning plate is fixed by connecting the positioning plate and the positioning seat, thereby improving the stability of the positioning plate, thereby improving the stability and accuracy of the centering, and being efficient and convenient.

[0020] (8) The present invention provides a locking screw hole on the fixing frame, and fixes the fixing frame to the bed body by threading the first locking handle and the locking screw hole, which is safe and stable.

[0021] (9) The present invention provides a fixing screw hole on the positioning mounting frame, and fixes the positioning mounting frame to the bed through the threaded cooperation between the second locking handle and the fixing screw hole, which is safe, stable, practical and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments and in combination with the accompanying drawings, wherein

[0023] Figure 1 It is a schematic diagram of the overall structure of the special-shaped tube rotary cutting, clamping and positioning device of the present invention;

[0024] Figure 2 It is a schematic diagram of the overall structure of the rotating assembly in the present invention;

[0025] Figure 3 It is a schematic diagram of the overall structure of the centering assembly in the present invention;

[0026] Figure 4 It is a schematic diagram of the connection structure between the lower pressing plate and the fixed mounting frame in the present invention;

[0027] Figure 5 It is a schematic diagram of the overall structure of the positioning component in the present invention;

[0028] Figure 6 It is a schematic diagram of the connection structure between the positioning mounting frame and the positioning seat in the present invention. DETAILED DESCRIPTION

[0029] See Figures 1 to 6 The invention has a bed 1, on which a crossbeam 12 is slidably provided, and the sliding direction of the crossbeam 12 is parallel to the extension direction of the bed 1, and a cutting head 11 for cutting special-shaped tubes is provided on the crossbeam 12, and the cutting head 11 is slidably provided on the bed 1; a positioning mechanism for positioning the special-shaped tube is provided on the bed 1, and the positioning mechanism includes a pneumatic chuck 21 driven to rotate by a motor 22 and used to clamp the special-shaped tube, a centering component 3 for positioning the special-shaped tube, and a positioning plate 43 for positioning the special-shaped tube, the pneumatic chuck 21 is slidably provided on the bed 1, and the centering component 3 includes a fixed mounting frame 31 slidably provided on the bed 1 and a positioning plate 43 for positioning the special-shaped tube The upper pressing plate 32 and the lower pressing plate 33 for pipe centering are both lifted and lowered on the fixed mounting frame 31, the positioning plate 43 is slidably arranged on the bed 1, and the positioning plate 43 is provided with a plurality of horizontal positioning holes 431 which can correspond to the positioning holes on the base plate provided on the special-shaped pipe, the pneumatic chuck 21, the centering component 3 and the positioning plate 43 are located on the same side of the bed 1, a slide rail is fixedly arranged on the bed 1, the pneumatic chuck 21, the centering component 3 and the positioning plate 43 are all provided with a slider slidably connected to the slide rail, and the pneumatic chuck 21, the centering component 3 and the positioning plate 43 are sequentially slidably arranged on the bed 1 through the sliding cooperation of the slider and the slide rail on the bed 1;

[0030] The fixed mounting frame 31 is fixedly provided with a cylinder 37, and the telescopic end of the cylinder 37 is fixedly connected to the upper pressing plate 32. The upper pressing plate 32 and the lower pressing plate 33 are relatively provided with rollers 35 for adjusting and rotating the special-shaped tube. The bottom of the lower pressing plate 33 is rotatably provided with an adjusting handle 34, and the adjusting handle 34 is provided with a threaded portion. The fixed mounting frame 31 is provided with a screw hole threadedly connected with the threaded portion. The lower pressing plate 33 is lifted and lowered on the fixed mounting frame 31 through the cooperation of the threaded portion on the adjusting handle 34 and the screw hole; the fixed mounting frame 31 is fixedly provided with a plurality of guide shafts 36, and the lower pressing plate 33 is provided with a plurality of guide holes corresponding to each guide shaft 36. Each guide shaft 36 passes through the corresponding guide hole and is slidably connected with the lower pressing plate 33;

[0031] The positioning mechanism also includes a rotating assembly 2, the rotating assembly 2 includes a fixed frame 24, a motor 22 is fixed on the fixed frame 24, the fixed frame 24 is slidably arranged on the bed 1, the pneumatic chuck 21 is arranged on the fixed frame 24, and a reducer 23 is fixedly arranged at the output end of the motor 22, and the output end of the reducer 23 is fixedly connected to the pneumatic chuck 21;

[0032] The fixed mounting frame 31 is provided with a fixed support block 38 for fixing the cylinder 37, the fixed mounting frame 31 is provided with a positioning screw hole, the fixed support block 38 is provided with a plurality of adjustment holes that can be connected with the positioning screw hole after movement, the positioning screw hole is provided with a locking bolt 382, ​​and the fixed support block 38 is fixed with a pressure plate 381, the locking bolt 382 passes through the adjustment hole and is threadedly engaged with the positioning screw hole to press the pressure plate 381 on the cylinder 37;

[0033] The fixed mounting frame 31 is provided with an adjustment slot 331, the extension direction of the adjustment slot 331 is parallel to the axial direction of the pneumatic chuck 21, an adjustment block 341 is slidably provided in the adjustment slot 331, the screw hole is provided on the adjustment block 341, and the adjustment handle 34 is connected to the adjustment block 341 for lifting and lowering through the threaded cooperation between the threaded part on the adjustment handle 34 and the screw hole;

[0034] The positioning mechanism further includes a positioning assembly 4, which includes a positioning mounting frame 41 slidably disposed on the bed 1, and a positioning seat 42 fixed on the positioning mounting frame 41 and used to fix the positioning plate 43, wherein the positioning seat 42 is provided with a slot 421 for the positioning plate 43 to be inserted, and the positioning plate 43 is fixedly connected to the positioning seat 42 after being inserted into the slot 421 on the positioning seat 42;

[0035] The fixed mounting frame 31 is provided with a locking screw hole, and a first locking handle 39 is arranged in the locking screw hole. The first locking handle 39 is provided with a threaded portion. After the first locking handle 39 passes through the locking screw hole, the fixed mounting frame 31 is fixedly set on the bed 1; the positioning mounting frame 41 is provided with a fastening screw hole, and a second locking handle 44 is arranged in the fastening screw hole. The second locking handle 44 is provided with a threaded portion. After the second locking handle 44 passes through the fastening screw hole, the positioning mounting frame 41 is fixedly set on the bed 1.

[0036] Working principle of the present invention: the present invention first loosens the claws on the pneumatic chuck 21, and then installs the special-shaped tube with the substrate on the pneumatic chuck 21. After the end of the special-shaped tube without the substrate installed is clamped into the pneumatic chuck 21, the claws press the special-shaped tube tightly, and the first locking handle 39 is loosened to slide the positioning mounting frame 41 to a position where the cutting is not hindered on the special-shaped tube. The upper pressing plate 32 and the lower pressing plate 33 are pressed against the special-shaped tube for centering by the lifting and lowering of the cylinder 37 and the adjustment of the adjustment handle 34, and then the positioning mounting frame 41 is fixed to the bed through the first locking handle 39. 1, release the second locking handle 44 and slide it. When the positioning hole on the upper base plate of the special-shaped tube is connected with the horizontal positioning hole 431 on the positioning plate 43, the alignment is completed. The special-shaped tube is clamped by the upper pressing plate 32 and the lower pressing plate 33, and the positioning plate 43 is moved to the initial position. Then, the special-shaped tube is punched or cut by the cutting head 11. After the processing is completed, the upper pressing plate 32 and the lower pressing plate 33 are released, the pneumatic chuck 21 is released, and the processed special-shaped tube is removed, and then the next special-shaped tube to be processed is installed. The processing is circulated like this to complete the work.

[0037] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A rotary cutting, clamping and positioning device for a special-shaped tube, comprising a bed (1), wherein the bed (1) is provided with a cutting head (11) for cutting the special-shaped tube, wherein the cutting head (11) is slidably arranged on the bed (1); characterized in that: The bed (1) is provided with a positioning mechanism for positioning the special-shaped tube, the positioning mechanism comprising a pneumatic chuck (21) driven to rotate by a motor (22) and used to clamp the special-shaped tube, a centering assembly (3) for positioning the special-shaped tube, and a positioning plate (43) for positioning the special-shaped tube, the pneumatic chuck (21) being slidably arranged on the bed (1), the centering assembly (3) comprising a fixed mounting frame (31) slidably arranged on the bed (1) and an upper pressing plate (32) and a lower pressing plate (33) for centering the special-shaped tube, the upper The pressing plate (32) and the lower pressing plate (33) are both lifted and lowered on the fixed mounting frame (31); the positioning plate (43) is slidably mounted on the bed (1); the positioning plate (43) is provided with a plurality of horizontal positioning holes (431) that can correspond to the positioning holes on the base plate provided on the special-shaped tube; the pneumatic chuck (21), the centering assembly (3) and the positioning plate (43) are located on the same side of the bed (1); and the pneumatic chuck (21), the centering assembly (3) and the positioning plate (43) are sequentially slidably mounted on the bed (1).

2. The device for rotating cutting, clamping and positioning a special-shaped tube according to claim 1, characterized in that: A cylinder (37) is fixedly provided on the fixed mounting frame (31), and a telescopic end of the cylinder (37) is fixedly connected to the upper pressing plate (32). Rollers (35) for adjusting and rotating the special-shaped tube are relatively provided on the upper pressing plate (32) and the lower pressing plate (33). An adjusting handle (34) is rotatably provided at the bottom of the lower pressing plate (33). The adjusting handle (34) is provided with a threaded portion. A screw hole threadably connected to the threaded portion is provided on the fixed mounting frame (31). The lower pressing plate (33) is raised and lowered on the fixed mounting frame (31) by the cooperation between the threaded portion on the adjusting handle (34) and the screw hole.

3. The device for rotating cutting, clamping and positioning a special-shaped tube according to claim 2, characterized in that: A plurality of guide shafts (36) are fixedly mounted on the fixed mounting frame (31), and a plurality of guide holes corresponding to the guide shafts (36) are disposed on the lower pressing plate (33). After passing through the corresponding guide hole, the guide shafts (36) are slidably connected to the lower pressing plate (33).

4. The device for rotating cutting, clamping and positioning a special-shaped tube according to claim 1, characterized in that: The fixed mounting frame (31) is provided with a fixed support block (38) for fixing the cylinder (37), the fixed mounting frame (31) is provided with a positioning screw hole, the fixed support block (38) is provided with a plurality of adjustment holes that can be connected with the positioning screw hole after movement, the positioning screw hole is provided with a locking bolt (382), and the fixed support block (38) is fixed with a pressure plate (381), and the locking bolt (382) passes through the adjustment hole and is threadedly engaged with the positioning screw hole to press the pressure plate (381) onto the cylinder (37).

5. The device for rotating cutting, clamping and positioning a special-shaped tube according to claim 2, characterized in that: The fixed mounting frame (31) is provided with an adjustment groove (331), the extension direction of the adjustment groove (331) is parallel to the axial direction of the pneumatic chuck (21), an adjustment block (341) is slidably provided in the adjustment groove (331), the screw hole is provided on the adjustment block (341), and the adjustment handle (34) is connected to the adjustment block (341) for lifting and lowering through the threaded cooperation between the threaded portion on the adjustment handle (34) and the screw hole.

6. The device for rotating cutting, clamping and positioning a special-shaped tube according to claim 1, characterized in that: The positioning mechanism further comprises a rotating assembly (2), the rotating assembly (2) comprising a fixing frame (24), the motor (22) being fixed on the fixing frame (24), the fixing frame (24) being slidably disposed on the bed (1), the pneumatic chuck (21) being disposed on the fixing frame (24), and the output end of the motor (22) being connected to the pneumatic chuck (21).

7. The special-shaped pipe rotary cutting, clamping and positioning device according to claim 1, characterized in that: The positioning mechanism further comprises a positioning assembly (4), the positioning assembly (4) comprising a positioning mounting frame (41) slidably arranged on the bed (1), and a positioning seat (42) fixed on the positioning mounting frame (41) and used to fix the positioning plate (43), the positioning seat (42) being provided with a slot (421) for the positioning plate (43) to be inserted, and the positioning plate (43) being fixedly connected to the positioning seat (42) after being inserted into the slot (421) on the positioning seat (42).

8. The device for rotating cutting, clamping and positioning a special-shaped tube according to claim 4, characterized in that: The fixed mounting frame (31) is provided with a locking screw hole, a first locking handle (39) is arranged in the locking screw hole, and the first locking handle (39) is provided with a threaded portion. After the first locking handle (39) passes through the locking screw hole, the fixed mounting frame (31) is fixedly mounted on the bed (1).

9. The device for rotating cutting, clamping and positioning a special-shaped tube according to claim 7, characterized in that: The positioning mounting frame (41) is provided with a fixing screw hole, a second locking handle (44) is arranged in the fixing screw hole, and the second locking handle (44) is provided with a threaded portion. After the second locking handle (44) passes through the fixing screw hole, the positioning mounting frame (41) is fixedly mounted on the bed (1).

Images