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CN-224223357-U - Tool changing assembly based on cnc engraving and milling machine

CN224223357UCN 224223357 UCN224223357 UCN 224223357UCN-224223357-U

Abstract

The utility model relates to the technical field of tool changing assemblies, in particular to a tool changing assembly based on an engraving and milling machine, which comprises a guide rail pair guide rail, wherein at least two groups of guide rail pair sliding seats are arranged on the surface of the guide rail pair guide rail in a sliding way, the upper part of the guide rail pair sliding seat is provided with a first air cylinder, a first piston rod used for stretching is arranged in the first air cylinder, the end part of the first piston rod is fixedly provided with a first base, and the first base is of a U-shaped structure. According to the scheme, the height and the position of the cutter head are adjusted through the synergistic effect of the guide rail pair sliding seat and the first cylinder, the cutter head position of the engraving and milling machine can be accurately conveyed, one old cutter head is taken down, the other new cutter head is installed through the design of the two groups of guide rail pair sliding seats, the cutter changing efficiency is remarkably improved, the servo motor and the position sensor are matched, the accuracy and the stability of the front-back inclination angle adjustment of the cutter head are further guaranteed, the manual intervention is reduced, and the degree of automation is improved.

Inventors

  • ZHONG WEIGEN
  • Chen Taizhu
  • Yi Zhanhua

Assignees

  • 深圳市木宏智能科技有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (9)

  1. 1. The tool changing assembly based on the engraving and milling machine comprises a guide rail pair guide rail (1) and is characterized in that at least two groups of guide rail pair sliding seats (11) are slidably arranged on the surface of the guide rail pair guide rail (1), an air cylinder I (12) is assembled and arranged above the guide rail pair sliding seats (11), a piston rod I used for stretching is arranged in the air cylinder I (12), a base I (13) is fixedly arranged at the end part of the piston rod I, and the base I (13) is of a U-shaped structure; The two sides of the first base (13) are provided with a first shaft sleeve (14) in a penetrating manner, the first shaft sleeve (14) rotates in the shaft sleeve and is provided with a first shaft lever (15) in a penetrating manner, a first supporting sleeve (16) is fixedly sleeved at the middle part of the first shaft lever (15), and a connecting plate (18) is fixedly arranged at the upper end of the outer ring wall of the first supporting sleeve (16); One end of the first shaft lever (15) is provided with a first motor (17), the outer ring wall of the first motor (17) is fixedly arranged on the surface of the first base (13) through a bracket, a first rotating shaft for driving is arranged in the first motor (17), and the end part of the first rotating shaft is fixedly connected with the end surface of the first shaft lever (15) through a coupling in a transmission manner; An extension plate (19) is fixedly arranged on the end face of the guide rail pair sliding seat (11), and a position sensor (110) is arranged at the upper end of the extension plate (19).
  2. 2. The engraving and milling machine-based tool changing assembly according to claim 1, wherein the upper end of the connecting plate (18) is provided with a second base (2) in a standing manner, positioning plates (21) are symmetrically fixed at the lower end of the second base (2) along two sides, the positioning plates (21) are tightly attached to the connecting plate (18), and the connecting positions of the positioning plates and the connecting plate are fixed through screws.
  3. 3. The engraving and milling machine-based tool changing assembly according to claim 2, wherein the two sides of the connecting plate (18) are fixedly penetrated by the second shaft sleeve (22), and the second shaft sleeve (22) distributed along the two sides rotates and is penetrated by the second shaft rod (23).
  4. 4. The engraving and milling machine-based tool changing assembly according to claim 3, wherein a second motor (24) is arranged at one end of the second shaft rod (23), the outer wall surface of the second motor (24) is fixed with the surface of the second base (2) through a bracket, a second rotating shaft for driving is arranged in the second motor (24), and the end part of the second rotating shaft is fixedly connected with the end surface of the second shaft rod (23) through a coupling in a transmission manner.
  5. 5. The engraving and milling machine-based tool changing assembly according to claim 4, wherein the surface of the second shaft rod (23) is fixedly sleeved with a second supporting sleeve (25), and a connecting rod (26) is fixed on the outer ring wall of the second supporting sleeve (25).
  6. 6. The engraving and milling machine-based tool changing assembly according to claim 5, wherein the upper end of the connecting rod (26) is slidably sleeved with a rod sleeve (3), a disc (30) is fixedly arranged at the upper end of the rod sleeve (3), and a plurality of side plates (31) are distributed at the upper end of the disc (30).
  7. 7. The engraving and milling machine-based tool changing assembly according to claim 6, wherein a second cylinder (32) is arranged in the side plate (31) in a penetrating manner, the outer wall surface of the second cylinder (32) is fixed with the surface of the side plate (31) through a bracket, a second piston rod used for stretching is arranged in the second cylinder (32), and a clamping seat (33) is fixed at the end part of the second piston rod.
  8. 8. The engraving and milling machine-based tool changing assembly according to claim 7, wherein a pin groove (3001) is formed in the connecting rod (26), a clamping pin (3002) is sleeved in the pin groove (3001) in a sliding mode, the end portion of the clamping pin (3002) is of a curved surface structure, a spring (3003) is arranged in the pin groove (3001), and two ends of the spring (3003) are fixedly mounted on the inner wall of the pin groove (3001) and the surface of the clamping pin (3002) respectively.
  9. 9. The tool changing assembly based on the engraving and milling machine as set forth in claim 8, wherein the inner wall of the rod sleeve (3) is provided with an arc-shaped groove (3004), the inner wall surface of the arc-shaped groove (3004) is of an arc-shaped structure, and the end curved surface of the bayonet lock (3002) is in sliding abutting arrangement with the inner arc surface of the arc-shaped groove (3004).

Description

Tool changing assembly based on cnc engraving and milling machine Technical Field The utility model relates to the technical field of tool changing assemblies, in particular to a tool changing assembly based on an engraving and milling machine. Background The engraving and milling machine is a high-precision numerical control machine tool and is widely applied to fine machining of various materials. The method is mainly used for carving, cutting, drilling, milling and other operations, and is suitable for multiple fields of woodworking, metal processing, plastic processing, stone processing, advertisement manufacturing, die manufacturing and the like. In the course of working of cnc engraving and milling machine, the change of cutter is an unavoidable link, according to authorizing bulletin number "CN222755032U" discloses a tool setting subassembly based on cnc engraving and milling machine, including the mounting panel, the top fixedly connected with installation storehouse of mounting panel, the rear side activity in installation storehouse has cup jointed the screw thread section of thick bamboo, the inner chamber meshing of screw thread section of thick bamboo has the threaded rod, the top fixedly connected with of threaded rod removes the protection frame, the bottom fixedly connected with bracing piece of removal protection frame, the equal fixedly connected with of left and right sides of mounting panel supports a section of thick bamboo. Through the meshing of screw thread section of thick bamboo and threaded rod to drive the threaded rod and remove along the axis direction of bracing piece and screw thread section of thick bamboo, thereby this hundred years position of removing the protection frame, thereby realized after changing the tool setting subassembly of different models, perhaps after adjusting the distance between cutter and the tool setting subassembly, can change the position of removing the protection frame, improved the universality of removing the protection frame, make and remove the protection frame and can carry out comprehensive protection to the tool setting subassembly under different scenes. At present, when the tool bit of cnc engraving machine is used for a certain time or when the corresponding tool bit needs to be replaced by the engraving file, the tool bit of cnc engraving machine needs to be stably installed and removed, and part of production environment can be manually detached by workers, when the tool bit is manually replaced, an operator needs to directly contact a main shaft rotating at a high speed and a sharp tool bit, a certain potential safety hazard exists, if the tool bit is carelessly operated, accidental injury can be caused, the labor intensity of the operator can be increased by frequent manual tool replacement, and particularly under the condition of long-time work, fatigue and misoperation are easy to cause. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a tool changing assembly based on an engraving and milling machine. In order to achieve the aim, the tool changing assembly based on the engraving and milling machine comprises a guide rail pair guide rail, wherein at least two groups of guide rail pair sliding seats are slidably arranged on the surface of the guide rail pair guide rail, a first cylinder is assembled and arranged above the guide rail pair sliding seats, a first piston rod used for stretching is arranged in the first cylinder, a first base is fixedly arranged at the end part of the first piston rod, and the first base is of a U-shaped structure; The two sides of the first base are respectively provided with a first shaft sleeve in a penetrating way, the first shaft sleeve rotates in the shaft sleeve and is provided with a first shaft lever in a penetrating way, the middle part of the first shaft lever is fixedly sleeved with a first supporting sleeve, and the upper end of the outer ring wall of the first supporting sleeve is fixedly provided with a connecting plate; One end of the first shaft rod is provided with a first motor, the outer ring wall of the first motor is fixedly arranged on the surface of the first base through a bracket, a first rotating shaft used for driving is arranged in the first motor, and the end part of the first rotating shaft is fixedly connected with the end face of the first shaft rod through a coupler in a transmission manner; an extension plate is fixedly arranged on the end face of the guide rail pair sliding seat, and a position sensor is arranged at the upper end of the extension plate. In detail, the upper end of the connecting plate is provided with a second base, the lower end of the second base is symmetrically fixed with positioning plates along two sides, the positioning plates are tightly adhered to the connecting plate, and the connecting positions of the positioning plates and the connecting plate are fixed through screws. In detail, the tw