Numerical control gantry machining center tool magazine device capable of rapidly changing tools

Abstract

The utility model provides a numerical control gantry machining center tool magazine device capable of quickly changing tools, which comprises a moving rod, a numerical control gantry machining center disc tool magazine and a linear cylinder, a connecting cylinder is fixedly mounted in the center of the lower surface of the numerical control gantry machining center disc tool magazine, a first threaded hole is formed in the connecting cylinder, and a tool changing assembly is detachably mounted in the connecting cylinder; the numerical control gantry machining center disc tool magazine is located at the lower end of the moving rod. During tool changing, a tool can be prevented from shaking in the rotating or moving process of the numerical control gantry machining center disc tool magazine through the tool changing assembly detachably mounted at the lower end of the numerical control gantry machining center disc tool magazine, and the problem that the tool changing efficiency is affected due to angle deviation during tool changing is solved; therefore, the numerical control gantry machining center can quickly complete tool changing use, impurities and cuttings on the surfaces of the tools can be removed, and cleanliness of the tools is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool magazine tool changing technical field, concretely relates to a numerical control gantry machining center tool magazine device of quick tool changing. BACKGROUND

[0002] Gantry machining center refers to the machining center that the spindle axis is perpendicular to the worktable, and the overall structure is a portal frame composed of double columns and a top beam, and there is also a cross beam in the middle. It is especially suitable for machining large workpieces and workpieces with complex shapes. Numerical control gantry machining centers are mostly configured with disc type tool magazines, which use disc rotation and the transverse and longitudinal driving structure of the spindle itself to realize left and right and up and down movement for tool changing.

[0003] For example, the patent with the announcement number CN115056006A discloses a gantry type machining center tool magazine tool changing device, which comprises a guide rail frame, a surface of the guide rail frame is provided with a cylinder, an output end of the cylinder is provided with a shell, a surface of the shell is provided with a motor, an output end of the motor is provided with a placing disc, a surface of the placing disc is provided with a plurality of placing grooves, a surface of the placing disc is provided with a blocking device, the number of the blocking devices is multiple, the blocking device comprises a hollow frame, the number of the hollow frames is four, the four hollow frames are fixedly connected with the surface of the placing disc, an inner wall of the hollow frame is rotatably connected with a driving rod, a surface of the driving rod is fixedly connected with a blocking ring, a surface of the driving rod is sleeved with a first spring, by arranging the blocking device, the equipment can be protected, the instability of the equipment during placement can be effectively reduced, the situation that the tool surface will fall off debris after the equipment is placed and affect the next placement can be reduced, and the overall stability of the equipment is improved.

[0004] However, the above-mentioned gantry type machining center tool magazine tool changing device cannot effectively handle the oil stains on the tool surface, and the stability is insufficient during tool changing, which may cause the risk of tool loosening and affect the tool changing efficiency of the numerical control gantry machining center. UTILITY MODEL CONTENTS

[0005] The utility model discloses a numerical control gantry machining center tool magazine device that can quickly change tools to solve the problems in the background art.

[0006] The specific technical scheme is as follows:

[0007] The utility model provides a quick change tool's numerical control gantry machining center tool magazine device, include: moving rod, numerical control gantry machining center disc tool magazine, linear cylinder, the linear cylinder piston rod is connected to moving rod one end, and can be used for pushing moving rod drives numerical control gantry machining center disc tool magazine to be close to or far from numerical control gantry machining center main shaft, the numerical control gantry machining center disc tool magazine lower surface center fixed mounting has the connecting barrel, be equipped with first threaded hole in the connecting barrel, the connecting barrel inside dismantles and installs the tool changing assembly, the numerical control gantry machining center disc tool magazine is located moving rod lower extreme, the linear cylinder both ends are equipped with the guide rod, the guide rod extension end is connected to moving rod one side, the guide rod can move through the piston rod telescopic of linear cylinder.

[0008] As a preferred scheme of the utility model, a rotating shaft is rotatably installed at the center of the upper surface of the numerical control gantry machining center disc tool magazine, a rotating rod is rotatably connected to the upper surface of the rotating shaft through a bearing, and a motor is arranged at one end of the upper surface of the moving rod.

[0009] As a preferred scheme of the utility model, the tool changing assembly comprises a fixed shell, the fixed shell is detachably connected to one end of the connecting barrel, a plug rod is fixedly installed at the center of the lower surface of the fixed shell, the plug rod can be plugged into the connecting barrel, a second threaded hole is arranged in the plug rod and penetrates through the lower surface of the fixed shell, a long bolt is threadedly connected in the second threaded hole, and the long bolt is threadedly connected with the first threaded hole in the connecting barrel through the second threaded hole.

[0010] As a preferred scheme of the utility model, a limiting plate is detachably installed in the fixed shell, connecting blocks are arranged at the two ends of the limiting plate, the connecting blocks are provided with the same third threaded holes as the fixed shell, and mounting bolts are threadedly connected in the third threaded holes.

[0011] As a preferred scheme of the utility model, a plurality of through holes are arranged in the limiting plate, the through holes correspond to the tools clamped in the numerical control gantry machining center disc tool magazine, a turnover rubber ring is bonded in each through hole, the inner diameter of the turnover rubber ring is smaller than the diameter of the tools, a cleaning sponge is bonded to the lower surface of the limiting plate, and the cleaning sponge is provided with the same through holes as the limiting plate.

[0012] As a preferred scheme of the utility model, a silica gel plate is arranged at the center of the lower surface of the fixed shell, and the surface of the silica gel plate is wavy.

[0013] The utility model has the following beneficial effects:

[0014] 1. The numerical control gantry machining center tool magazine device capable of quickly changing tools provided by the utility model, through the design of the guide rod, the tool changing assembly and the rotating shaft, when the numerical control gantry machining center needs to change tools, the numerical control gantry machining center disc tool magazine provided with the lower end of the moving rod is moved to the main shaft of the machining center by the linear cylinder pushing the moving rod, the stability during movement is enhanced through the guide rod, then the rotating rod is driven to rotate by the motor starting, the rotating rod drives the rotating shaft to rotate, the rotating shaft makes the numerical control gantry machining center disc tool magazine rotate around the central shaft, by controlling the rotation of the motor, different tools on the numerical control gantry machining center disc tool magazine can be rotated to the appropriate position, so as to change tools, and when changing tools, the tool changing assembly disassembled and assembled at the lower end of the numerical control gantry machining center disc tool magazine can prevent the tools from shaking during the rotation or movement of the numerical control gantry machining center disc tool magazine, the angle deviation during tool changing is avoided, the problem of affecting the tool changing efficiency is solved, so that the numerical control gantry machining center can quickly complete tool changing and use, and the impurities and chips on the surface of the tools can be removed, the cleanliness of the tools is ensured.

[0015] 2. The numerical control gantry machining center tool magazine device capable of quickly changing tools provided by the utility model, through the design of the fixed shell, the inserting rod, the limiting plate and the cleaning sponge, the limiting plate is installed in the fixed shell through the installation bolt on the connecting block, convenient disassembly and assembly, then the inner diameter of the turnover rubber ring in the limiting plate through hole is smaller than the diameter of the tool, when the tool passes through the turnover rubber ring, the turnover rubber ring can limit and fix the tool to a certain extent, prevent the tool from shaking during the rotation or movement of the tool magazine, the tool does not deviate from the predetermined position during the tool changing step due to the movement inertia of the tool magazine, so as to improve the accuracy of tool changing, reduce the misconnection probability caused by the shaking of the tool, when the replaced tool is put into the numerical control gantry machining center disc tool magazine through the main shaft and inserted into the fixed shell, the impurities on the surface of the tool are wiped through the cleaning sponge, the cleaning quality is improved, then the silica gel plate on the lower surface of the inner center of the fixed shell is wavy, the advancing speed of the tool is slowed down, the tool can be more stable, the risk of misconnection caused by the excessive instantaneous impact force during insertion is further reduced, the service life of the tool and the main shaft is prolonged, and the fixed shell is conveniently disassembled and replaced through the long bolt, the internal cleaning is replaced, and the operation convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The overall structure schematic view of the numerical control gantry machining center tool magazine device capable of quickly changing tools provided by the utility model embodiment;

[0017] Figure 2 The connecting rod structure schematic view of the numerical control gantry machining center tool magazine device capable of quickly changing tools provided by the utility model embodiment;

[0018] Figure 3The quick tool changing numerical control gantry machining center tool magazine device of the embodiment of the utility model provides tool changing assembly structure schematic view.

[0019] Figure 4 The quick tool changing numerical control gantry machining center tool magazine device of the embodiment of the utility model provides cleaning sponge structure schematic view.

[0020] Figure 5 The quick tool changing numerical control gantry machining center tool magazine device of the embodiment of the utility model provides silica gel plate structure schematic view.

[0021] In the drawings:

[0022] 1, moving rod; 101, linear cylinder; 102, guide rod; 103, motor; 104, rotating rod; 105, rotating shaft;

[0023] 2, numerical control gantry machining center disc tool magazine; 201, connecting cylinder;

[0024] 3, tool changing assembly; 301, fixed shell; 302, long bolt; 303, limiting plate; 304, turnover rubber ring; 305, connecting block; 306, mounting bolt; 307, cleaning sponge; 308, silica gel plate; 309, plug rod. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be further illustrated below with reference to the drawings and specific embodiments.

[0026] Wherein, the drawings are only used for example description, and the representation is only schematic view, not real object drawing, and can not be understood as the limitation of the patent; in order to better illustrate the embodiment of the utility model, some components of the drawings can be omitted, enlarged or reduced, and the size of the actual product is not represented; for those skilled in the art, it is understandable that some known structures and their description in the drawings can be omitted.

[0027] The same or similar reference numerals in the drawings of the embodiment of the utility model correspond to the same or similar components; in the description of the utility model, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore the positional relationship description in the drawings is only used for example description, and can not be understood as the limitation of the patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0028] In the description of this utility model, unless otherwise explicitly specified and limited, the term "connection" or similar designation indicating the connection relationship between components should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] Example 1

[0030] The tool magazine device for a CNC gantry machining center with rapid tool changing provided in this embodiment, such as... Figures 1-5 As shown, it includes: a moving rod 1, a CNC gantry machining center disc tool magazine 2, and a linear cylinder 101. The piston rod of the linear cylinder 101 is connected to one end of the moving rod 1 and can be used to push the moving rod 1 to move the CNC gantry machining center disc tool magazine 2 closer to or away from the CNC gantry machining center spindle. A connecting cylinder 201 is fixedly installed at the center of the lower surface of the CNC gantry machining center disc tool magazine 2. The connecting cylinder 201 has a first threaded hole. A tool changing assembly 3 is detachably installed in the connecting cylinder 201. The CNC gantry machining center disc tool magazine 2 is located at the lower end of the moving rod 1. Guide rods 102 are provided at both ends of the linear cylinder 101. The extended ends of the guide rods 102 are connected to one side of the moving rod 1. The guide rods 102 can extend and retract by the extension and retraction of the piston rod of the linear cylinder 101. A rotating shaft 105 is rotatably mounted on the center of the upper surface of the disc tool magazine 2 of the CNC gantry machining center. A rotating rod 104 is rotatably connected to the upper surface of the rotating shaft 105 through a bearing. A motor 103 is provided at one end of the upper surface of the moving rod 1. The output shaft of the motor 103 is coaxially connected to the rotating rod 104 through a coupling.

[0031] Through the design of the guide rod 102, the tool changing assembly 3, and the rotating shaft 105, when the gantry machining center needs to change tools, the linear cylinder 101 pushes the moving rod 1 to move the numerical control gantry machining center disc tool magazine 2 at the lower end of the moving rod 1 to the main shaft of the machining center, the guide rod 102 enhances the stability during movement, and then the motor 103 is started to drive the rotating rod 104 to rotate, the rotating rod 104 drives the rotating shaft 105 to rotate, the rotating shaft 105 rotates to make the numerical control gantry machining center disc tool magazine 2 rotate around the center shaft, by controlling the rotation of the motor 103, different tools on the numerical control gantry machining center disc tool magazine 2 can be rotated to the appropriate position for tool changing operation, and the tool changing assembly 3 installed at the lower end of the numerical control gantry machining center disc tool magazine 2 can prevent the tool from shaking during the rotation or movement of the numerical control gantry machining center disc tool magazine 2, so that the angle deviation during tool changing is avoided, and the tool changing efficiency is affected, so that the numerical control gantry machining center can quickly complete the tool changing use, and the impurities and chips on the surface of the tool can be removed to ensure the cleanliness of the tool.

[0032] Embodiment 2

[0033] The numerical control gantry machining center tool magazine device provided by the embodiment can quickly change tools, as shown in the accompanying drawings, comprising: Figures 3-5 The tool changing assembly 3 comprises a fixed shell 301, the fixed shell 301 is detachably connected to one end of the connecting cylinder 201, a plug rod 309 is fixedly installed at the center of the lower surface in the fixed shell 301, the plug rod 309 can be inserted into the connecting cylinder 201, a second threaded hole is provided in the plug rod 309 and penetrates through the lower surface of the fixed shell 301, a long bolt 302 is threadedly connected in the second threaded hole, and the long bolt 302 is threadedly connected with a first threaded hole in the inner part of the connecting cylinder 201 through the second threaded hole. A limiting plate 303 is detachably installed in the fixed shell 301, connecting blocks 305 are provided at both ends of the limiting plate 303, the connecting blocks 305 are provided with the same third threaded holes as the fixed shell 301, and mounting bolts 306 are threadedly connected in the third threaded holes. A plurality of through holes are provided in the limiting plate 303, and the plurality of through holes correspond to the tools clamped in the numerical control gantry machining center disc tool magazine 2, a turnover rubber ring 304 is bonded in each through hole, the inner diameter of the turnover rubber ring 304 is smaller than the diameter of the tool, a cleaning sponge 307 is bonded to the lower surface of the limiting plate 303, and the cleaning sponge 307 is provided with the same through holes as the limiting plate 303. A silica gel plate 308 is provided at the center of the lower surface in the fixed shell 301, and the surface of the silica gel plate 308 is wavy.

[0034] Through the design of the fixed shell 301, the insertion rod 309, the limiting plate 303, and the cleaning sponge 307, the limiting plate 303 is installed in the fixed shell 301 through the mounting bolt 306 on the connecting block 305, which is convenient to disassemble. Then the inner diameter of the turnover rubber ring 304 in the limiting plate 303 through hole is smaller than the diameter of the tool. When the tool passes through the turnover rubber ring 304, the turnover rubber ring 304 can limit and fix the tool to a certain extent, prevent the tool from shaking during the rotation or movement of the tool magazine, and not deviate from the intended position due to the motion inertia of the tool magazine during the tool changing step, thereby improving the accuracy of tool changing and reducing the probability of docking failure caused by tool shaking. When the replaced tool is put into the numerical control gantry machining center disc tool magazine 2 through the main shaft and inserted into the fixed shell 301, the cleaning sponge 307 wipes the impurities on the surface of the tool, improving the cleaning quality. Then the silica gel plate 308 on the lower surface of the center of the fixed shell 301 is wavy, which slows down the forward speed of the tool, so that the tool can be more stable, further reduces the risk of docking failure caused by excessive impact force in the insertion moment, and prolongs the service life of the tool and the main shaft. And through the long bolt 302, the fixed shell 301 can be easily disassembled, cleaned and replaced, improving the operation simplicity.

[0035] In summary, the numerical control gantry machining center tool magazine device with quick tool changing provided by the embodiment has the following advantages: it can effectively clean the dirt on the surface of the tool, and can enhance the stability of the tool in the numerical control gantry machining center disc tool magazine 2 during cleaning, avoiding the problem of loosening during the tool changing step, which affects the tool changing efficiency.

[0036] In use, when the gantry machining center needs to change tools, the linear cylinder 101 pushes the moving rod 1 to move the numerical control gantry machining center disc tool magazine 2 at the lower end of the moving rod 1 to the main shaft of the machining center, then the motor 103 is started to drive the rotating rod 104 to rotate, the rotating rod 104 drives the rotating shaft 105 to rotate, the rotating shaft 105 rotates to make the numerical control gantry machining center disc tool magazine 2 rotate around the center shaft, by controlling the rotation of the motor 103, different tools on the numerical control gantry machining center disc tool magazine 2 can be rotated to the appropriate position, when the replaced tool is put into the numerical control gantry machining center disc tool magazine 2 through the main shaft and inserted into the fixed shell 301, the limiting plate 303 through hole inner diameter of the turnover rubber ring 304 is smaller than the tool diameter, when the tool passes through the turnover rubber ring 304, the turnover rubber ring 304 can limit and fix the tool to a certain extent, prevent the tool from shaking during the rotation or movement of the tool magazine, the cleaning sponge 307 wipes the impurities on the surface of the tool to improve the cleaning quality, then the silica gel plate 308 at the lower surface of the inner center of the fixed shell 301 is wavy, slows down the advancing speed of the tool, so that the tool can be more stable, further reduces the risk of docking failure caused by excessive instantaneous impact force during insertion, then the numerical control gantry machining center disc tool magazine 2 rotates to make the main shaft replace the appropriate tool for use, and the tool changing assembly 3 can effectively improve the efficiency during replacement.

[0037] The above is only the preferred embodiment of the utility model, and does not limit the implementation and protection scope of the utility model, and those skilled in the art should realize that any equivalent replacement and obvious change obtained by applying the contents of the utility model specification and drawings should be included in the protection scope of the utility model.

Claims

1. A tool magazine device for a CNC gantry machining center with rapid tool changing, characterized in that, include: The system includes a moving rod (1), a CNC gantry machining center disc tool magazine (2), and a linear cylinder (101). The piston rod of the linear cylinder (101) is connected to one end of the moving rod (1) and can be used to push the moving rod (1) to move the CNC gantry machining center disc tool magazine (2) closer to or away from the CNC gantry machining center spindle. A connecting cylinder (201) is fixedly installed at the center of the lower surface of the CNC gantry machining center disc tool magazine (2). The connecting cylinder (201) has a first threaded hole. A tool changing assembly (3) is disassembled and installed inside the connecting cylinder (201). The CNC gantry machining center disc tool magazine (2) is located at the lower end of the moving rod (1). Guide rods (102) are provided at both ends of the linear cylinder (101). The extended end of the guide rod (102) is connected to one side of the moving rod (1). The guide rod (102) can move by the extension and retraction of the piston rod of the linear cylinder (101).

2. The tool magazine device for a CNC gantry machining center with rapid tool changing according to claim 1, characterized in that, A rotating shaft (105) is rotatably mounted on the center of the upper surface of the CNC gantry machining center disc tool magazine (2). A rotating rod (104) is rotatably connected to the upper surface of the rotating shaft (105) through a bearing. A motor (103) is provided at one end of the upper surface of the moving rod (1). The output shaft of the motor (103) is coaxially connected to the rotating rod (104) through a coupling.

3. The tool magazine device for a CNC gantry machining center with rapid tool changing according to claim 1, characterized in that, The tool changing assembly (3) includes a fixed shell (301), which is detachably connected to one end of the connecting cylinder (201). A plug rod (309) is fixedly installed at the center of the lower surface inside the fixed shell (301). The plug rod (309) can be inserted into the connecting cylinder (201). The plug rod (309) has a second threaded hole that extends to the lower surface of the fixed shell (301). A long bolt (302) is threaded into the second threaded hole. The long bolt (302) passes through the second threaded hole and is threadedly connected to the first threaded hole inside the connecting cylinder (201).

4. The tool magazine device for a CNC gantry machining center with rapid tool changing according to claim 3, characterized in that, A limiting plate (303) is disassembled and installed inside the fixed shell (301). The limiting plate (303) has connecting blocks (305) at both ends. The connecting blocks (305) and the fixed shell (301) have the same third threaded hole. The third threaded hole is threaded with a mounting bolt (306).

5. The tool magazine device for a CNC gantry machining center with rapid tool changing according to claim 4, characterized in that, The limiting plate (303) has multiple sets of through holes, and the multiple sets of through holes correspond to the tools held in the disc tool magazine (2) of the CNC gantry machining center. Each through hole is bonded with a flipping rubber ring (304). The inner diameter of the flipping rubber ring (304) is smaller than the diameter of the tool. The lower surface of the limiting plate (303) is bonded with a cleaning sponge (307). The cleaning sponge (307) has the same through holes as the limiting plate (303).

6. The tool magazine device for a CNC gantry machining center with rapid tool changing according to claim 4, characterized in that, The lower surface of the center of the fixed shell (301) is provided with a silicone plate (308), and the surface of the silicone plate (308) is wavy.

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