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CN-121973013-A - CNC built-in clamp automatic feeding device

CN121973013ACN 121973013 ACN121973013 ACN 121973013ACN-121973013-A

Abstract

The application provides an automatic feeding device for an internal clamp of a CNC machine, which comprises a CNC machine table, wherein the CNC machine table is provided with a CNC main shaft, a tool changing manipulator and a tool library, and a plurality of machining tools are stored in the tool library; the automatic feeding bin structure is used for storing workpieces, the clamping fixture structure is used for fixing the workpieces during machining, and the clamping fixture structure also drives the workpieces to rotate during machining of the workpieces so as to machine the front face and the back face of the workpieces. According to the application, through the cooperative work of the automatic feeding bin structure, the clamping fixture structure and the material taking knife handle structure, the automatic feeding and automatic rotating back surface processing of CNC machine tools are realized, the manual intervention is reduced, the production efficiency is improved, a plurality of CNC machine tools can be considered by personnel, the demands of operators are reduced, and the labor cost is reduced.

Inventors

  • LI HAILIN
  • ZUO WENGUANG
  • Lv Hengyang
  • ZHONG HUAJUN

Assignees

  • 深圳市强瑞精密技术股份有限公司

Dates

Publication Date
20260505
Application Date
20260331

Claims (10)

  1. 1. The CNC machine built-in clamp automatic feeding device comprises a CNC machine table (1), wherein the CNC machine table (1) is provided with a CNC main shaft (101), a tool changing manipulator and a tool library (102), a plurality of machining tools (5) are stored in the tool library (102), and the CNC machine built-in clamp automatic feeding device is characterized in that a material taking handle structure (2) is arranged on the tool changing manipulator, a clamping fixture structure (3) and an automatic feeding bin structure (4) arranged on one side of the clamping fixture structure (3) are arranged on the CNC machine table (1), the automatic feeding bin structure (4) is used for storing workpieces, the clamping fixture structure (3) is used for fixing the workpieces during machining, and the clamping fixture structure (3) drives the workpieces to rotate during machining of the workpieces so as to achieve machining of the front side and the back side of the workpieces.
  2. 2. The automatic feeding device for the built-in clamp of the CNC machine according to claim 1, wherein the material taking handle structure (2) comprises a connecting block (201) arranged on a tool changing manipulator, the connecting block (201) is connected with a tool magazine end (202), a machining tool (5) is also arranged on the CNC spindle (101), a pneumatic clamping jaw (203) is arranged on the tool magazine end (202), and the pneumatic clamping jaw (203) moves under the driving of the CNC spindle (101) to take and place a workpiece.
  3. 3. The automatic feeding device for the built-in clamp of the CNC machine according to claim 1, wherein the clamping clamp structure (3) comprises a rotating shaft (301) installed on the CNC machine table (1), the rotating shaft (301) is provided with two rotating ends, the two rotating ends are connected with first connecting plates (302), a first supporting plate (303) is connected between the two first connecting plates (302), and a plurality of limiting parts are arranged on the first supporting plate (303).
  4. 4. The CNC built-in clamp automatic feeding device according to claim 1, wherein the limiting part comprises a positioning block (305) mounted on a first supporting plate (303), the positioning block (305) is provided with a plurality of limiting ribs (3052), and a workpiece limiting area is formed between the plurality of limiting ribs (3052).
  5. 5. The CNC built-in clamp automatic feeding device according to claim 4, wherein a plurality of first processing holes (3051) are formed in the positioning block (305) in a penetrating manner, and the first processing holes (3051) are located at a workpiece limiting area; the limiting part further comprises two second air cylinders (306) arranged on the first supporting plate (303), the two second air cylinders (306) are respectively positioned at two sides of the positioning block (305), and piston rods of the two second air cylinders (306) are connected with a second pushing block (3061); one side of the positioning block (305) is provided with a first air cylinder (304), and a piston rod of the first air cylinder (304) is connected with a first pushing block (3041).
  6. 6. The automatic feeding device for the built-in clamp of the CNC machine according to claim 5, wherein the limiting part further comprises an upper limiting part arranged on the first supporting plate (303), the upper limiting part comprises two first driving parts arranged on the first supporting plate (303), an upper limiting plate (308) is connected between the two first driving parts, and a plurality of second machining holes (3081) are formed in the upper limiting plate (308) in a penetrating mode.
  7. 7. The automatic feeding device for the built-in clamp of the CNC machine according to claim 1, wherein the automatic feeding bin structure (4) comprises a bottom plate (401) arranged on a CNC machine table (1), a first vertical plate (402) and a second driving piece positioned on one side of the first vertical plate (402) are arranged at the top of the bottom plate (401), a supporting box is connected to the second driving piece, a workpiece tray storage space is reserved between the supporting box and the first vertical plate (402), a third driving piece is arranged on the bottom plate (401), two supporting arms (4071) are connected to the third driving piece, a waterproof plate (4072) is connected between the tops of the two supporting arms (4071), and the third driving piece is used for driving the waterproof plate (4072) to move so as to cover the top of the workpiece tray storage space during processing.
  8. 8. The CNC built-in clamp automatic feeding device according to claim 7, wherein the third driving member comprises two first rodless cylinders (407) mounted on the base plate (401), and the two support arms (4071) are respectively connected to the two first rodless cylinders (407); The second driving piece comprises a second supporting plate (408) and a cylinder fixing seat (4091) arranged at the top of the bottom plate (401), the cylinder fixing seat (4091) is connected with a fifth cylinder (409), and the supporting box is connected between the fifth cylinder (409) and the second supporting plate (408).
  9. 9. The CNC built-in clamp automatic feeding device according to claim 8, wherein the supporting box comprises two protecting boxes (411) installed at the top of the second supporting plate (408), a second vertical plate (415), a top plate and a back plate are connected between the two protecting boxes (411), a fourth connecting plate (410) is installed at the inner side of the back plate, and the inner side surface of the fourth connecting plate (410) is connected with a fifth cylinder (409).
  10. 10. The CNC built-in clamp automatic feeding device according to claim 9, wherein two second rodless cylinders (412) are mounted on the second vertical plate (415), the two second rodless cylinders (412) are connected with lifting frames (413), and the two lifting frames (413) penetrate through the second vertical plate (415) and extend into the workpiece tray storage space and are connected with a tray supporting plate (4131); a third rodless cylinder (416) is arranged at the bottom of the top plate, a pushing plate (4161) is arranged on the third rodless cylinder (416), and the moving track of the pushing plate (4161) is located in the storage space of the workpiece tray.

Description

CNC built-in clamp automatic feeding device Technical Field The invention relates to the technical field of CNC machining, in particular to an automatic feeding device for an internal clamp of a CNC machine. Background Along with the continuous innovation of science and technology, more and more electronic products need to use light and thin precise parts, such as screen shafts and hinges of electronic products of mobile phones, notebooks, servers, VR/AR (virtual reality/remote controller) and the like, wherein the parts are soft and thin and special-shaped, have high precision requirements and large demand, and are processed by depending on CNC (computerized numerical control); the existing market mostly uses machine outside to clamp, places the machine outside to process in CNC, and then manually takes out and clamps repeatedly after the process is finished, so that CNC operators are needed more, and the frequent operation efficiency is not high. Therefore, we improve on this and propose an automatic feeding device for CNC built-in clamps. Disclosure of Invention The invention provides an automatic feeding device for an internal clamp of a CNC machine, which comprises a CNC machine table, wherein the CNC machine table is provided with a CNC spindle, a tool changing manipulator and a tool library, and a plurality of machining tools are stored in the tool library; the automatic feeding bin structure is used for storing workpieces, the clamping fixture structure is used for fixing the workpieces during machining, and the clamping fixture structure also drives the workpieces to rotate during machining of the workpieces so as to machine the front face and the back face of the workpieces. According to the technical scheme, the material taking knife handle structure comprises a connecting block arranged on a knife changing manipulator, the connecting block is connected with a knife magazine end, a machining knife is also arranged on the CNC spindle, a pneumatic clamping jaw is arranged on the knife magazine end, and the pneumatic clamping jaw moves under the driving of the CNC spindle to take and place workpieces. As the preferable technical scheme of the application, the clamping fixture structure comprises a rotating shaft arranged on a CNC machine table, wherein the rotating shaft is provided with two rotating ends, the two rotating ends are connected with first connecting plates, a first supporting plate is connected between the two first connecting plates, and a plurality of limiting parts are arranged on the first supporting plate. As a preferable technical scheme of the application, the limiting part comprises a positioning block arranged on the first supporting plate, the positioning block is provided with a plurality of limiting ribs, and a workpiece limiting area is formed among the plurality of limiting ribs. As a preferable technical scheme of the application, a plurality of first processing holes are formed in the positioning block in a penetrating manner, and the first processing holes are positioned at the position of the workpiece limiting area; The limiting part further comprises two second air cylinders arranged on the first supporting plate, the two second air cylinders are respectively positioned at two sides of the positioning block, and piston rods of the two second air cylinders are connected with second pushing blocks; one side of the positioning block is provided with a first air cylinder, and a piston rod of the first air cylinder is connected with a first pushing block. As the preferable technical scheme of the application, the limiting part further comprises an upper limiting part arranged on the first supporting plate, the upper limiting part comprises two first driving parts arranged on the first supporting plate, an upper limiting plate is connected between the two first driving parts, and a plurality of second processing holes are formed in the upper limiting plate in a penetrating manner. As the preferable technical scheme of the application, the automatic feeding bin structure comprises a bottom plate arranged on a CNC machine table, a first vertical plate and a second driving piece positioned on one side of the first vertical plate are arranged at the top of the bottom plate, the second driving piece is connected with a supporting box, a workpiece tray storage space is reserved between the supporting box and the first vertical plate, a third driving piece is arranged on the bottom plate and is connected with two supporting arms, a waterproof plate is connected between the tops of the two supporting arms, and the third driving piece is used for driving the waterproof plate to move so as to cover the top of the workpiece tray storage space during processing. As a preferable technical scheme of the application, the third driving piece comprises two first rodless cylinders arranged on the bottom plate, and the two supporting arms are respectively connected with the two first rodles