Tool changing mechanism for machining center
The rotary tool changer mechanism driven by cylinders and servo motors solves the problem of tool changing difficulties when the tool changer arm is in a fixed position, and realizes flexible tool changing between the machine tool and the side tool magazine, improving tool changing efficiency and adaptability.
Patent Information
- Application Number
- CN202423105842.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In existing technologies, the tool changing arm is in a fixed position, which makes it difficult to change tools effectively when the tool magazine is located on the side of the machine tool or far away from the machine tool, especially in the case of large tool magazines where tool changing is difficult.
The first cylinder drives the mounting plate to rotate vertically, and the servo motor drives the movable plate to slide horizontally. Combined with the rotary drive mechanism, the rotary tool changer arm moves between the machine tool and the side tool magazine. Translation and rotation are achieved through the meshing of rack and pinion to complete the tool change operation.
It enables the rotary tool changer arm to move flexibly between the machine tool and the side tool magazine, solving the problem of difficult tool changing and improving tool changing efficiency and adaptability.
Smart Images
Figure CN223749128U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tool changing arm technical field, especially in a machining center with tool changing mechanism. BACKGROUND
[0002] Numerical control milling machine is a kind of automatic processing equipment developed on the basis of general milling machine, and the processing technology of the two is basically same, and the structure is also similar, and numerical control milling machine is divided into two categories of not with tool magazine and with tool magazine, and the numerical control milling machine with tool magazine is also called machining center, and the machining center has the advantages of strong adaptability, high machining precision, stable machining quality and high production efficiency.With the improvement of cutting speed and the continuous shortening of cutting time, the requirement of tool changing time is gradually improved, and in the prior art, the old tool on the machine tool is taken off by rotating tool changing arm, the new tool at the tool opening of tool magazine is taken out, and then the new and old tools are exchanged, that is, tool changing can be realized, and the position of rotating tool changing arm is fixed, in order to facilitate tool changing, the tool magazine is generally arranged on the front face of the machine tool, but when some large tool magazine is encountered, in order to be beautiful and save space, the tool magazine is arranged on the side face of the machine tool, and there is a certain distance between the tool magazine and the machine tool, so the tool changing arm cannot directly take out the tool from the tool magazine, therefore, the utility model provides a machining center tool changing mechanism. SUMMARY
[0003] The utility model discloses a machining center tool changing mechanism, be arranged in the side of machine tool, including frame, the front surface of frame is connected with tool magazine, one end of support rod is arranged on the top of the back of frame one side, one end of mounting plate rotatablely connected with the other end of support rod, first rotary drive mechanism connected with the mounting plate is arranged on the frame, the movable plate sliding connection is formed on the front surface of mounting plate through horizontal slide rail, the translation drive mechanism for driving the sliding of movable plate is arranged on the mounting plate, the front surface of movable plate is connected with rotating tool changing arm, two side plates are vertically arranged on the front surface of movable plate, the main part of rotating tool changing arm is rotatablely connected between two side plates through pin shaft, and the second rotary drive mechanism for driving the rotation of rotating tool changing arm is arranged on the movable plate.
[0004] The utility model discloses a machining center tool changing mechanism, be arranged in the side of machine tool, including frame, the front surface of frame is connected with tool magazine, one end of support rod is arranged on the top of the back of frame one side, one end of mounting plate rotatablely connected with the other end of support rod, first rotary drive mechanism connected with the mounting plate is arranged on the frame, the movable plate sliding connection is formed on the front surface of mounting plate through horizontal slide rail, the translation drive mechanism for driving the sliding of movable plate is arranged on the mounting plate, the front surface of movable plate is connected with rotating tool changing arm, two side plates are vertically arranged on the front surface of movable plate, the main part of rotating tool changing arm is rotatablely connected between two side plates through pin shaft, and the second rotary drive mechanism for driving the rotation of rotating tool changing arm is arranged on the movable plate.
[0005] Preferably, the translation driving mechanism comprises a rack horizontally arranged on the mounting plate, a servo motor fixed on the movable plate, and a gear wheel connected with the rack and connected with the output end of the servo motor.
[0006] Preferably, the first rotation driving mechanism comprises a first cylinder, a connecting block fixed on the back of the frame, and a top rod of the first cylinder rotatably connected with the connecting block through a hinge and rotatably connected with the side of the mounting plate through a hinge.
[0007] Preferably, the second rotation driving mechanism comprises a second cylinder, two clamping blocks arranged on the front of the movable plate, and a cylinder body of the second cylinder rotatably connected between the two clamping blocks through a pin shaft and a top rod of the second cylinder rotatably connected with one side of the rotary tool changing arm body through a hinge.
[0008] The beneficial effects of the technical scheme of the utility model are as follows: the first cylinder drives the mounting plate to rotate around the vertical direction, and the servo motor drives the movable plate to slide horizontally, so that the rotary tool changing arm is moved between the machine tool and the tool magazine arranged on the side of the machine tool, and the situation that the tool changing arm is fixed in position, the tool magazine is arranged on the side of the machine tool or far away from the machine tool and the tool cannot be changed is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0009] Fig. 1 It is the layout of the tool changing mechanism for the machining center during work.
[0010] Fig. 2 It is a mounting plate structure schematic view.
[0011] Fig. 3 It is a movable plate structure schematic view.
[0012] Numerals in the drawing represent:
[0013] 1, frame; 2, support rod; 3, mounting plate; 4, movable plate; 5, rotary tool changing arm; 6, side plate; 7, rack; 8, servo motor; 9, first cylinder; 10, connecting block; 11, second cylinder; 12, clamping block. DETAILED DESCRIPTION
[0014] The utility model will be further explained in detail in combination with specific embodiments.
[0015] Embodiment:
[0016] For example, Figs. 1 to 3As shown, the utility model discloses a tool changing mechanism for machining center, including frame 1, the front of frame 1 is connected with tool magazine, frame 1 back top one side is equipped with the one end of support rod 2, the other end of support rod 2 is rotatably connected with the one end of mounting plate 3, be equipped with the first rotary drive mechanism of being connected with mounting plate 3 on frame 1, the front of mounting plate 3 is slidably connected with movable plate 4 through horizontal slide rail, be equipped with the translation drive mechanism for driving movable plate 4 sliding on mounting plate 3, the front of movable plate 4 is connected with rotating tool changing arm 5, the front of movable plate 4 is vertically equipped with two side plates 6, the main part of rotating tool changing arm 5 is rotatably connected between two side plates 6 through pin shaft, be equipped with the second rotary drive mechanism for driving rotating tool changing arm 5 rotation on movable plate 4.
[0017] The translation drive mechanism includes a rack 7 horizontally provided on the mounting plate 3, a servo motor 8 is fixed on the movable plate 4, and the output end of the servo motor 8 is connected with a gear engaged with the rack 7.
[0018] The first rotary drive mechanism includes a first cylinder 9, a connecting block 10 is fixed on the back of the frame 1, one end of the first cylinder 9 is rotatably connected with the connecting block 10 through a hinge, and the top rod of the first cylinder 9 is rotatably connected to the side of the mounting plate 3 through a hinge.
[0019] The second rotary drive mechanism includes a second cylinder 11, two clamping blocks 12 are provided on the front of the movable plate 4, the cylinder body of the second cylinder 11 is rotatably connected between the two clamping blocks 12 through a pin shaft, and the top rod of the second cylinder 11 is rotatably connected to one side of the main body of the rotating tool changing arm 5 through a hinge.
[0020] The working process of the utility model is as follows: when the tool needs to be replaced, the top rod of the first cylinder 9 is retracted, then the mounting plate 3 is rotated clockwise to be horizontal, the servo motor 8 drives the gear to rotate, then drives the movable plate 4 to slide to the left, the left tool holder of the rotating tool changing arm 5 approaches the tool magazine, and the new tool is taken out under the drive of the rotating tool changing arm 5, the first cylinder 9 is reset, drives the mounting plate 3 to be vertical, the servo motor 8 is reversed, then drives the rotating tool changing arm 5 to approach the machine tool, the top rod of the second cylinder 11 is extended, then drives the rotating tool changing arm 5 to rotate clockwise, makes the axial direction of the tool vertical, and the two tool holders holding the new tool and the old tool are exchanged in position under the drive of the rotating tool changing arm 5, so that the new tool is installed on the machine tool.
[0021] The above merely describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, some modifications and improvements can be made, and these all belong to the protection scope of the present application.
Claims
1. A tool changer for a machining center, characterized by: The utility model provides a kind of automatic tool changer, including rack, the front of the rack is connected with tool magazine, the top of the back of the rack is equipped with the one end of support rod, the other end of the support rod is rotatably connected with the one end of mounting plate, the rack is equipped with first rotary drive mechanism being connected with the mounting plate, the front of the mounting plate is slidably connected with movable plate by horizontal slide rail, the mounting plate is equipped with translation drive mechanism for driving the sliding of movable plate, the front of the movable plate is connected with rotary tool changing arm, the front of the movable plate is vertically equipped with two side plates, the main part of the rotary tool changing arm is rotatably connected between two side plates by pin shaft, the movable plate is equipped with second rotary drive mechanism for driving the rotation of the rotary tool changing arm.
2. The tool changer according to claim 1, characterized in that: The translation drive mechanism includes a rack horizontally disposed on the mounting plate, and a servo motor fixed on the movable plate, with a gear wheel engaged with the rack connected to an output end of the servo motor.
3. The tool changer according to claim 1, characterized in that: The first rotary drive mechanism includes a first air cylinder, a connecting block is fixed on the back of the rack, one end of the first air cylinder is rotatably connected with the connecting block through a hinge, and a top rod of the first air cylinder is rotatably connected to a side surface of the mounting plate through a hinge.
4. The tool changer according to claim 1, characterized in that: The second rotary drive mechanism includes a second air cylinder, two clamping blocks are provided on the front of the movable plate, a cylinder body of the second air cylinder is rotatably connected between the two clamping blocks through a pin shaft, and a top rod of the second air cylinder is rotatably connected to one side of the main body of the rotary tool changing arm through a hinge.