Automatic tool changing numerical control machine tool for graphite processing

Abstract

The utility model discloses an automatic tool changing numerical control machine tool for graphite processing, which relates to the field of graphite processing, and is characterized in that a first sliding chute is arranged on the outer side of a machine tool shell, a sliding door is arranged above the first sliding chute, and a first inner groove is arranged above the machine tool shell; and a supporting frame is installed above the first inner groove, and a rotating traction mechanism for clamping the milling cutter is installed on the right side of the supporting frame. According to the automatic tool changing numerical control machine tool for graphite machining, a rotating motor rotates to drive a driven shifting rod below to rotate synchronously, the driven shifting rod makes contact with a traction rod in the rotating process, the traction rod is pulled by the driven shifting rod along a sliding rail, the rear portion of the traction rod drives a fixedly-connected driven rod through the shifting rod, and the driven rod slides forwards along a second sliding groove; when the milling cutter needs to be replaced, the clamping jaw installed on the lower portion forwards clamps the milling cutter needing to be replaced, the driven rod is restored to the original position through the first spring after the milling cutter needs to be replaced, and due to the design, the milling cutter is clamped while the next cutter is selected, and labor time is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to graphite processing technical field, concretely is a graphite processing automatic tool changing numerical control machine tool. BACKGROUND

[0002] In numerical control processing, use numerical control machine tool as main processing approach, face different materials corresponding need use corresponding size and hardness milling cutter, so in actual production, the tool changing operation of different processing parts is very frequent.

[0003] In prior art, the running track of tool changing assembly is too limited, can only continue to complete tool changing by moving the main shaft close to the tool changing equipment, and there is a risk of failure if returning to the original position again according to the program after tool changing.

[0004] In order to overcome the above defects, the prior art (application number: CN114474432B, application date: April 15, 2022, Chinese patent) discloses a graphite processing automatic tool changing numerical control machine tool, relating to the technical field of automatic tool changing numerical control machine tool; in order to realize the function of automatic tool changing; specifically includes automatic tool changing mechanism and multi-directional movable support frame, the automatic tool changing mechanism includes mounting frame and motor, the motor is fixed on one side of the outer wall of the mounting frame, the output end of the motor is drivingly connected with a rotating frame, the rotating frame is installed with evenly circumferentially distributed accommodating seats on the outer walls of the two sides, the accommodating seats contain tools, the tools are used with tool fixing cylinders, the mounting rod is fixed on one side of the outer wall of the tool fixing cylinder, the circumferential outer wall of the tool fixing cylinder is movably installed with a fixing pin through the first spring, and the fixing pin and the tool fixing cylinder are connected. The present application realizes the fixation of the tool by setting the tool fixing cylinder, the fixing pin, the guide rod and the tool with the pin hole, realizes the function of automatic tool changing, effectively saves manpower and improves practicability.

[0005] Although the prior art can solve the above problems, in the case of manual tool changing in the process of processing a small amount of graphite, the existing tool changing technology is too complex, the air valve needs a lot of force to open, and there is no obvious prompt to show that the assembly is successful after assembly, which has certain uncertainty. INVENTION CONTENTS

[0006] The utility model aims at providing a graphite processing automatic tool changing numerical control machine tool to solve the problem of manual tool changing in the process of processing a small amount of graphite, the existing tool changing technology is too complex, the air valve needs a lot of force to open, and there is no obvious prompt to show that the assembly is successful after assembly, which has certain uncertainty.

[0007] In order to achieve the above object, the utility model provides following technical scheme: a graphite processing automatic tool changing numerical control machine tool, first sliding groove is installed to the outside of machine tool shell, and the upper portion of first sliding groove is installed with sliding door, the upper portion of machine tool shell is equipped with first inner groove, and the upper portion of first inner groove is installed with support frame the right side of support frame is installed with the rotary traction mechanism that carries out the clamping of milling cutter, the rotary traction mechanism includes driven shift lever, and driven shift lever is installed in the axial direction of rotary motor, the upper surface of machine tool shell is installed with second sliding groove, and the upper portion of second sliding groove is installed with driven rod, the both bottom surfaces left side of driven rod is installed with first spring, and first spring is fixedly connected with the inside lateral surface of second sliding groove, the surface of driven rod is installed with shift lever, and the end of shift lever is installed with traction rod, the lower portion of traction rod is installed with sliding track, and traction rod is rotatably installed with shift lever, moreover, sliding track is fixedly connected with machine tool shell, the lower portion of rotary motor is installed with tool changing turntable, and the outside of tool changing turntable is installed with rotary protection shell, the upper portion of tool changing turntable is installed with second spring, and the lower portion of driven rod is installed with clamping jaw;

[0008] The upper portion of machine tool shell is installed with main shaft, and the inside of main shaft is provided with the matching fixed mechanism of milling cutter.

[0009] Further, the matching fixed mechanism includes a trigger plate, and a transmission line set is installed on the outer surface of the trigger plate, a limit rod is installed at the end of the transmission line set, and the limit rod is installed in the inside of the sliding shell, third inner grooves are formed in the two sides of the sliding shell, and the two side surfaces of the limit rod pass through the third inner grooves.

[0010] Further, the two sides of the sliding shell are provided with third inner grooves, and the two side surfaces of the limit rod pass through the third inner grooves, second springs are installed on the two sides of the limit rod, and the left side of the second spring is fixedly connected with the inside of the sliding shell, an embedding block is installed below the main shaft, and the sliding shell is fixedly connected with the main shaft, and the sliding shell is installed below the embedding block.

[0011] Further, the lower surface of the sliding door and the inside of the first sliding groove constitute a sliding structure, and the limit running track of the sliding door covers all the machining areas, and the control center directly controls the running direction of the main shaft.

[0012] Further, the two side surfaces of the driven rod and the left side of the first spring constitute an elastic structure, and the bottom surface of the driven rod and the inside of the second sliding groove constitute a sliding structure.

[0013] Further, the driven shift lever is rotatably connected with the shift lever through the traction rod to constitute a traction structure, and the bottom surface of the traction rod and the inside of the sliding track constitute a sliding structure.

[0014] Further, the trigger plate is fixedly connected with the limiting rod through the end of the transmission line group to form a traction structure, and the two side surfaces of the limiting rod and the left side surface of the second spring form an elastic structure.

[0015] Compared with the prior art, the graphite processing automatic tool changing numerical control machine tool has the advantages that the rotation of the rotary motor drives the driven shifting rod below to rotate synchronously, the driven shifting rod pulls the traction rod along the sliding rail in a straight line in the rotating process, the traction rod drives the fixedly connected driven rod through the shifting rod at the rear, the driven rod slides forward along the second sliding groove, the clamping jaw installed below is also clamped forward to the milling cutter to be changed, and the driven rod is restored to the original position by the first spring after completion, so that the next cutter is selected and the milling cutter is clamped at the same time, and manual time is saved.

[0016] Further, after the milling cutter enters the main shaft, the top of the milling cutter first touches the trigger plate, the trigger plate is upwardly retracted to drive the transmission line group to be retracted inward, the limiting rod connected with the end of the transmission line group is also pulled to the outside of the sliding shell, the limiting rod is fixed to the milling cutter because the limiting rod is installed below the embedded block, the limiting rod can be shifted on the side surface to be removed, the design realizes the function of automatically locking the milling cutter, and the pneumatic installation process is omitted.

[0017] Further, the sliding door can be used to close the processing area along the first sliding groove during the processing process, manual safety is protected, the control center is used for editing a program and performing real-time operation on the main shaft to change the cutter, and the design is higher in safety and intelligence in the overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a first inner groove three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a first spring three-dimensional structure schematic view of the utility model;

[0020] Figure 3 It is a driven rod three-dimensional structure schematic view of the utility model;

[0021] Figure 4 It is a tool changing turntable three-dimensional structure schematic view of the utility model;

[0022] Figure 5 It is a trigger plate three-dimensional structure schematic view of the utility model;

[0023] Figure 6 It is a three-dimensional traction rod structure schematic view of the utility model;

[0024] Figure 7 It is a limiting rod three-dimensional structure schematic view of the utility model.

[0025] Fig. 1, machine tool shell; 2, control center; 3, main shaft; 4, rotating motor; 5, support frame; 6, first sliding groove; 7, sliding door; 8, milling cutter; 9, second sliding groove; 10, first spring; 11, push rod; 12, first inner groove; 13, second spring; 14, driven rod; 15, clamping jaw; 16, rotating protective shell; 17, tool changing turntable; 18, second inner groove; 19, sliding shell; 20, trigger plate; 21, transmission line group; 22, fitting block; 23, limiting rod; 24, sliding rail; 25, traction rod; 26, third inner groove; 27, driven push rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Embodiment one: please refer to Figures 1-7 The present application provides the following technical scheme: a graphite processing automatic tool changing numerical control machine tool, comprising a machine tool shell 1, a control center 2 and a driven push rod 27.

[0028] A first sliding groove 6 is installed on the outer side of the machine tool shell 1, and a sliding door 7 is installed above the first sliding groove 6. A first inner groove 12 is formed on the upper side of the machine tool shell 1, and a support frame 5 is installed on the upper side of the first inner groove 12. A rotating traction mechanism for clamping and taking the milling cutter 8 is installed on the right side of the support frame 5. The rotating traction mechanism comprises a driven push rod 27, and the driven push rod 27 is installed in the axial direction of the rotating motor 4. A second sliding groove 9 is installed on the upper surface of the machine tool shell 1, and a driven rod 14 is installed above the second sliding groove 9. First springs 10 are installed on the left side of the bottom surface of the driven rod 14, and the first springs 10 are fixedly connected with the inner side of the second sliding groove 9. A push rod 11 is installed on the surface of the driven rod 14, and a traction rod 25 is installed at the end of the push rod 11. A sliding rail 24 is installed below the traction rod 25, and the traction rod 25 and the push rod 11 are rotatably installed. Moreover, the sliding rail 24 is fixedly connected with the machine tool shell 1. A tool changing turntable 17 is installed below the rotating motor 4, and a rotating protective shell 16 is installed on the outer side of the tool changing turntable 17. A second spring 13 is installed above the tool changing turntable 17, and a clamping jaw 15 is installed below the driven rod 14.

[0029] A main shaft 3 is installed on the upper side of the machine tool shell 1, and an embedding and fixing mechanism for the milling cutter 8 is arranged in the main shaft 3.

[0030] As Figure 2 ,Figure 4 、 Figure 6 The technical solution shown, in order to solve the problem that manual installation is required after the milling cutter 8 is selected, discloses: the lower surface of the sliding door 7 and the interior of the first slide groove 6 constitute a sliding structure, and the extreme operating trajectory of the sliding door 7 covers the entire processing area, the control center 2 directly controls the operating direction of the main shaft 3, the two side surfaces of the driven rod 14 and the left side of the first spring 10 constitute an elastic structure, and the bottom surface of the driven rod 14 and the interior of the second slide groove 9 constitute a sliding structure, the driven dial rod 27 is connected to the dial rod 11 through the traction rod 25 to form a traction structure, and the bottom surface of the traction rod 25 and the interior of the sliding track 24 constitute a sliding structure, the trigger plate 20 is fixedly connected to the limit rod 23 through the end of the transmission line group 21 to form a traction structure, and the two side surfaces of the limit rod 23 and the left side of the second spring 13 constitute an elastic structure.

[0031] After completing part of the processing, when facing the need to change the tool, first push the sliding door 7 outward along the first slide 6 to see the operating area, enter the tool changing program to start the rotating motor 4 fixed on the support frame 5, and the rotating motor 4 will drive the rotating protective shell 16 to rotate together with the tool changing turntable 17. The milling cutter 8 is installed in advance above the tool changing turntable 17 and rotates synchronously with the rotating motor 4. When it rotates to the next milling cutter 8 that needs to be replaced, the driven lever 27 installed below the rotating motor 4 moves synchronously, touches the traction rod 25 in the rotation path and continuously pulls the traction rod 25 forward. At this time, the traction rod 25 drives the end rotation-connected toggle rod 11 along the sliding track 24, and pulls the fixedly connected driven rod 14 forward along the second slide 9. When the driven rod 14 moves forward, the clamping claw 15 fixed below moves forward to complete the clamping of the milling cutter 8, and after the end, the first spring 10 will bounce the driven rod 14 back to its original position.

[0032] like Figure 1 、 Figure 3 、 Figure 5 、 Figure 7 The technical solution shown, in order to solve the problem that it is too cumbersome to open the valve when manually changing the tool, discloses: the interlocking fixing mechanism includes a trigger plate 20, and a transmission line group 21 is installed on the outer surface of the trigger plate 20, and a limit rod 23 is installed at the end of the transmission line group 21, and the limit rod 23 is installed inside the sliding shell 19, and a third inner groove 26 is opened on both sides of the sliding shell 19, and the two side surfaces of the limit rod 23 pass through the third inner groove 26, and a third inner groove 26 is opened on both sides of the sliding shell 19, and the two side surfaces of the limit rod 23 pass through the third inner groove 26, and a second spring 13 is installed on both sides of the limit rod 23, and the left side of the second spring 13 is fixedly connected to the inside of the sliding shell 19, a interlocking block 22 is installed below the main shaft 3, and the sliding shell 19 is fixedly connected to the main shaft 3, and the sliding shell 19 is installed below the interlocking block 22.

[0033] After the milling cutter 8 is clamped, the control center 2 is used to control the main shaft 3 to reach above the clamping jaw 15, and the milling cutter 8 is moved downward to be assembled, after the milling cutter 8 enters the main shaft 3, the top of the milling cutter 8 will touch the trigger plate 20, and the trigger plate 20 is continuously pushed upward during the movement, causing the transmission line group 21 installed around the trigger plate 20 to shrink inward through the second inner groove 18, and the limiting rod 23 installed inside the sliding shell 19 is pulled forward at the same time, since the sliding shell 19 is fixedly installed on the outer side of the main shaft 3, the two side surfaces of the limiting rod 23 continuously press the second spring 13 installed inside the sliding shell 19 to the outside of the sliding shell 19, since the installation position of the second spring 13 corresponds to the position of the embedded block 22, after the milling cutter 8 is installed into the main shaft 3, the lower part is locked by the limiting rod 23 to complete the installation.

[0034] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A graphite processing automatic tool changing numerical control machine tool, comprising a machine tool shell (1), a control center (2) and a driven shift lever (27); characterized in that The outer side of the machine tool shell (1) is provided with a first sliding groove (6), and the upper side of the first sliding groove (6) is provided with a sliding door (7). The upper side of the machine tool shell (1) is provided with a first inner groove (12), and the upper side of the first inner groove (12) is provided with a support frame (5). The right side of the support frame (5) is provided with a rotary traction mechanism for clamping the milling cutter (8). The rotary traction mechanism comprises a driven shift lever (27), and the driven shift lever (27) is installed in the axial direction of the rotary motor (4). The upper surface of the machine tool shell (1) is provided with a second sliding groove (9), and the upper side of the second sliding groove (9) is provided with a driven rod (14). The two bottom surfaces of the driven rod (14) are provided with first springs (10) on the left side, and the first springs (10) are fixedly connected with the inner side of the second sliding groove (9). The surface of the driven rod (14) is provided with a shift lever (11), and the end of the shift lever (11) is provided with a traction rod (25). The lower side of the traction rod (25) is provided with a sliding rail (24), and the traction rod (25) is rotatably installed with the shift lever (11). Moreover, the sliding rail (24) is fixedly connected with the machine tool shell (1). The lower side of the rotary motor (4) is provided with a tool changing turntable (17), and the outer side of the tool changing turntable (17) is provided with a rotary protection shell (16). The upper side of the tool changing turntable (17) is provided with a second spring (13), and the lower side of the driven rod (14) is provided with a clamping jaw (15). The upper side of the machine tool shell (1) is provided with a main shaft (3), and the inner side of the main shaft (3) is provided with an embedded fixing mechanism for the milling cutter (8).

2. The automatic tool changing CNC machine tool for graphite processing according to claim 1, characterized in that: The embedded fixing mechanism comprises a trigger plate (20), and the outer surface of the trigger plate (20) is provided with a transmission line group (21). The end of the transmission line group (21) is provided with a limiting rod (23), and the limiting rod (23) is installed in the inner side of a sliding shell (19). The two sides of the sliding shell (19) are provided with third inner grooves (26), and the two side surfaces of the limiting rod (23) pass through the third inner grooves (26).

3. The automatic tool changing CNC machine tool for graphite processing according to claim 2, characterized in that: The two sides of the sliding shell (19) are provided with third inner grooves (26), and the two side surfaces of the limiting rod (23) pass through the third inner grooves (26). The two sides of the limiting rod (23) are provided with second springs (13), and the left side of the second spring (13) is fixedly connected with the inner side of the sliding shell (19). The lower side of the main shaft (3) is provided with an embedded block (22), and the sliding shell (19) is fixedly connected with the main shaft (3), and the sliding shell (19) is installed below the embedded block (22).

4. The automatic tool changing CNC machine tool for graphite processing according to claim 1, characterized in that: The lower surface of the sliding door (7) and the inner side of the first sliding groove (6) constitute a sliding structure, and the limit running track of the sliding door (7) covers all the processing area. The control center (2) directly controls the running direction of the main shaft (3).

5. The automatic tool changing CNC machine tool for graphite processing according to claim 1, characterized in that: The two side faces of the driven rod (14) and the left side of the first spring (10) form an elastic structure, and the bottom face of the driven rod (14) and the inside of the second sliding groove (9) form a sliding structure.

6. The automatic tool changing CNC machine tool for graphite processing according to claim 1, characterized in that: The driven rod (27) is connected with the rotation of the driving rod (25) and the driving rod (11) to form a traction structure, and the bottom face of the driving rod (25) and the inside of the sliding rail (24) form a sliding structure.

7. The automatic tool changing CNC machine tool for graphite processing according to claim 3, characterized in that: The trigger plate (20) is fixedly connected with the end of the transmission wire group (21) and the limiting rod (23) to form a traction structure, and the two side faces of the limiting rod (23) and the left side of the second spring (13) form an elastic structure.

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