Search

CN-122007466-A - Workpiece surface hole machining device and machining method

CN122007466ACN 122007466 ACN122007466 ACN 122007466ACN-122007466-A

Abstract

The invention discloses a workpiece surface hole machining device which comprises a frame, a punching assembly and a clamping assembly, wherein the frame is fixedly provided with a storage box, the punching assembly and the clamping assembly are both arranged at the upper end of the storage box, the upper end of the storage box is fixedly provided with a supporting plate, the side end of the supporting plate is integrally connected with a limiting protrusion, the upper end of the supporting plate can horizontally place a workpiece, the clamping assembly comprises a pressing piece and a plurality of pressing pieces, one end of the workpiece is pressed against the limiting protrusion, the other end of the workpiece is pressed against the other end of the workpiece through adjusting the pressing piece to be fixed, the pressing pieces are symmetrically arranged and can be pressed against the upper ends of two sides of the workpiece respectively to be fixed, the punching assembly comprises a supporting frame, the lower end of the supporting frame is detachably provided with a plurality of tool bits, and the tool bits can be driven to rotate through a motor to open holes on the surface of the workpiece. The invention has stable clamping, convenient adjustment and can simultaneously carry out multi-hole machining, thereby improving the machining efficiency of the workpiece holes.

Inventors

  • CHEN XINGGUO
  • HUANG ZHENGSHENG
  • ZHANG YINGYING

Assignees

  • 绍兴市华宏精密科技有限公司

Dates

Publication Date
20260512
Application Date
20260330

Claims (10)

  1. 1. The workpiece surface hole machining device is characterized by comprising a frame (1), a punching assembly (2) and a clamping assembly (3), wherein a storage box (11) is fixedly arranged on the frame (1), and the punching assembly (2) and the clamping assembly (3) are arranged at the upper end of the storage box (11); A supporting plate (111) is fixedly arranged in the storage box (11), a limiting protrusion (112) is integrally connected to the side end of the supporting plate (111), and a workpiece (4) can be horizontally placed at the upper end of the supporting plate (111); The clamping assembly (3) comprises a pressing piece (32) and a plurality of pressing pieces (31), one end of the workpiece (4) is abutted against the limiting protrusion (112), the other end of the workpiece is abutted against the other end of the workpiece (4) through adjusting the pressing piece (32) to be fixed, and the pressing pieces (31) are symmetrically arranged and can be respectively abutted against two ends of the workpiece (4) in the vertical direction; The punching assembly (2) comprises a supporting frame (21), a plurality of tool bits (22) are detachably arranged at the lower end of the supporting frame (21), and the tool bits (22) are driven to rotate through a motor (23) and can be used for punching the surface of a workpiece (4).
  2. 2. The workpiece surface hole machining device according to claim 1, wherein the clamping assembly (3) further comprises a first supporting shaft (33) and a second supporting shaft (34), the first supporting shaft (33) and the second supporting shaft (34) are rotatably mounted on the storage box (11) and located above the workpiece (4), the storage box (11) is provided with a sliding groove (113), and the first supporting shaft (33) is arranged on the sliding groove (113) in a penetrating mode and can be slidably adjusted along the sliding groove (113).
  3. 3. A workpiece surface hole machining device according to claim 2, characterized in that the pressing members (31) are fixedly mounted on the first support shaft (33) and the second support shaft (34), respectively, and the pressing member (32) is rotatably mounted on the first support shaft (33) and is located between the two pressing members (31).
  4. 4. The workpiece surface hole machining device according to claim 2, wherein sliding rods (12) are fixedly installed at two ends of the frame (1) respectively, the sliding rods (12) are perpendicular to the first supporting shafts (33) respectively, the sliding rods (12) are slidably provided with second sliding blocks (35), the inner sides of the second sliding blocks (35) are fixedly connected to the first supporting shafts (33) through connecting plates (351), and air cylinders (333) are fixedly installed on the outer sides of the second sliding blocks (35) through fixing plates (352).
  5. 5. The workpiece surface hole machining device according to claim 4, wherein the frame (1) is further provided with a transmission plate (13) in a sliding manner, two ends of the transmission plate (13) extend out of the frame (1) respectively and are fixedly connected with the connecting plate (351), a rotary handle (132) is fixedly connected to the middle position of the transmission plate (13) through a screw rod (131), and the screw rod (131) is in threaded connection with the frame (1).
  6. 6. The device for machining a surface hole of a workpiece according to claim 4, wherein a first connecting piece (331) is fixedly installed at an end of the first supporting shaft (33), and the first connecting piece (331) is movably connected to the first cylinder (333) through a first telescopic rod (331).
  7. 7. The workpiece surface hole machining device according to claim 2, wherein a second connecting piece (341) is fixedly installed at the end part of the second supporting shaft (34), the second connecting piece (341) is movably connected to a second cylinder (333) through a second telescopic rod (342), and the second cylinder (333) is fixedly installed on the frame (1).
  8. 8. The workpiece surface hole machining device according to claim 1, wherein supporting pieces (14) are respectively and slidably mounted on two sides of the frame (1), the supporting pieces (14) are respectively and slidably connected to two ends of the supporting frame (21) through first sliding blocks (24), third air cylinders (141) are fixedly mounted at the upper ends of the supporting pieces (14), and the third air cylinders (141) are respectively and movably connected to two ends of the supporting frame (21) through third telescopic rods (142).
  9. 9. The workpiece surface hole machining device according to claim 1, wherein a plurality of positioning pieces (25) are fixed at the lower end of the supporting frame (21), and the tool bit (25) is detachably mounted at the lower end of each positioning piece (25) and synchronously driven by the motor (23).
  10. 10. A method for machining a surface hole of a workpiece, characterized in that the machining is performed by using the workpiece surface hole machining apparatus according to claims 1 to 9.

Description

Workpiece surface hole machining device and machining method Technical Field The invention relates to the technical field of hole machining, in particular to a workpiece surface hole machining device, and in particular relates to a workpiece surface hole machining method. Background In the field of machining, surface hole machining of plate workpieces is a common process link and is widely applied to industries such as furniture, building, automobile and equipment manufacturing. The traditional hole machining mode mainly relies on a manual hand-held electric drill or a single-shaft drilling machine to drill holes one by one, so that the efficiency is low, hole position precision is difficult to guarantee, the clamping mode of most equipment to workpieces is simple, the workpieces are easy to vibrate or displace in the high-speed drilling process only by means of single-side or single-point compression, the problems of hole position deviation, inconsistent hole diameter and the like are caused, even a cutter is damaged, and the assembly precision and the integral quality of the workpieces are seriously affected. Accordingly, the present invention provides a new solution to the above-mentioned problems. Disclosure of Invention The invention aims to overcome the defects in the prior art, and provides a workpiece surface hole machining device which is stable in clamping, convenient and fast to adjust, capable of simultaneously carrying out multi-hole machining and capable of improving workpiece hole machining efficiency. In order to achieve the above purpose, the present invention adopts the following technical scheme: The workpiece surface hole machining device comprises a frame, a punching assembly and a clamping assembly, wherein the frame is fixedly provided with a storage box, and the punching assembly and the clamping assembly are both arranged at the upper end of the storage box; The storage box is internally and fixedly provided with a supporting plate, the side end of the supporting plate is integrally connected with a limiting protrusion, and the upper end of the supporting plate can horizontally place a workpiece; the clamping assembly comprises a pressing piece and a plurality of pressing pieces, one end of the workpiece is abutted against the limiting protrusion, the other end of the workpiece is abutted against the other end of the workpiece through adjusting the pressing piece to be fixed, and the plurality of pressing pieces are symmetrically arranged and can be respectively abutted against two ends of the workpiece in the vertical direction; the punching assembly comprises a supporting frame, a plurality of tool bits are detachably arranged at the lower end of the supporting frame, and the tool bits are driven to rotate by a motor and can open holes on the surface of a workpiece. The clamping assembly further comprises a first support shaft and a second support shaft, wherein the first support shaft and the second support shaft are rotatably arranged on the storage box and are positioned above the workpiece, the storage box is provided with a sliding groove, and the first support shaft is arranged through the sliding groove in a penetrating manner and can be slidably adjusted along the sliding groove direction. The pressing parts are fixedly arranged on the first supporting shaft and the second supporting shaft respectively, and the pressing parts are rotatably arranged on the first supporting shaft and between the two pressing parts. The invention is further characterized in that sliding rods are fixedly arranged at two ends of the frame respectively, the sliding rods are respectively perpendicular to the first supporting shaft, the sliding rods are slidably provided with second sliding blocks, the inner sides of the second sliding blocks are fixedly connected to the first supporting shaft through connecting plates, and the outer sides of the second sliding blocks are fixedly provided with first air cylinders through fixing plates. The invention is further characterized in that the frame is also provided with a transmission plate in a sliding manner, two ends of the transmission plate extend out of the frame respectively and are fixedly connected with the connecting plate, the middle position of the transmission plate is fixedly connected with a rotary handle through a screw rod, and the screw rod is connected with the frame in a threaded manner. The invention is further characterized in that a first connecting piece is fixedly arranged at one end of the supporting shaft, and the first connecting piece is movably connected with the first cylinder through a first telescopic rod. The invention is further characterized in that a second connecting piece is fixedly arranged at the two end parts of the support shaft, the second connecting piece is movably connected to a second air cylinder through a second telescopic rod, and the second air cylinder is fixedly arranged on the frame. The invention fu