Tool changing system of machining center

Abstract

The utility model relates to the field of machining centers, in particular to a tool changing system of a machining center, which comprises a tool changing frame, a main body used for bearing a tool changing assembly of the machining center, a chain type tool magazine and a tool changing sleeve arranged on the left side of the tool changing frame and used for storing tools. According to the tool changing system, the steering tool rest, the locking head, the infrared sensor, the cleaning cavity and the air spraying head are arranged, when the tool changing system is used and a tool is located in the outer locking ring, the infrared sensor on the steering tool rest senses the tool, and a second telescopic air cylinder in the tool changing system pushes a pushing rod; when the pushing rod is pushed, the damping telescopic spring and the locking head are pulled to abut against the outer portion of the cutter together, and the damping telescopic spring and the locking head lock the cutter together with the outer locking ring. And air flow is sprayed from top to bottom through a plurality of groups of air spraying heads to wash impurities such as residual cutting fluid and metal chips on the tool in an air spraying manner, and then the tool is fed into a tool magazine.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of machining center, concretely relates to a tool changing system of machining center. BACKGROUND

[0002] The machining center is a high-efficiency automatic machine tool developed from the numerical control milling machine, and is integrated with various machining processes such as milling, drilling, turning and boring, etc., which realizes the precision machining of complex parts through the relative movement of the workpiece and the tool under the control of multiple axes. The tool changing system of the machining center is mainly composed of a tool magazine and a tool changing device. The tool magazine is used for storing various tools, which can be vertical or horizontal, and the capacity is determined according to the machining requirements. The tool changing device is responsible for selecting the required tool from the tool magazine and installing it on the main shaft, while the original tool is removed.

[0003] According to the search, the tool changing device of a vertical machining center with publication number CN214393383U is specifically disclosed, which includes a machining machine box. The machining machine box includes a tool changing assembly and a machining assembly. The tool changing assembly includes a moving plate. The moving plate has a gas cylinder fixedly connected to the top of the front surface. The gas cylinder has an outer shell fixedly connected to the bottom. The gas cylinder has an air inlet pipe fixedly connected to the both sides of the middle part. The outer shell has a storage table fixedly connected to the top center position. The storage table has a motor fixedly connected to the top. The outer shell has a gas pump fixedly connected to the top. The gas pump is located on one side of the storage table. The gas pump has an air pipe fixedly connected to the top. The other end of the air pipe is fixedly connected to the air inlet pipe. The utility model can realize the rapid tool changing of the tool changing device, the tool changing action is more rapid and reliable, the tool magazine capacity is larger, the tool changing process is more secure and the structure is simple, and the use is convenient.

[0004] The existing tool changing system is used in the machining center. During the tool changing process, the automatic tool changing turns at a high speed. When rotating or moving at a high speed, the tool may fall off due to loosening, which not only damages the tool and the tool magazine, but also causes safety hazards to the machine tool and the operator. Moreover, the tool changing system in the above-mentioned case also lacks the ability to lock and clean the tool, so that the tool changing system lacking the ability to clean the tool directly sends the machined tool into the tool magazine for a long time, which accumulates cutting fluid, metal chips and other impurities, causing the tool to wear out and the performance of the tool magazine to decrease.

[0005] Therefore, it is necessary to invent a tool changing system of machining center to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose is to provide a machining center's tool changing system, through the steering tool holder, the lock head, infrared sensor, cleaning cavity and the air jet head realize let the tool changing system have the ability of locking and cleaning tool, improve the stability and security in the tool changing process in this way, still can ensure that the tool keeps clean in the tool changing process, thereby prolongs the service life of tool and improves the machining accuracy, the accurate locking and cleaning of tool can ensure the stability and precision in the machining process, thereby improve the machining quality, this is especially important for the part of need high accuracy machining, still can prevent the tool from falling or loosening in the machining process, thereby avoid the effect of the security hidden danger to operator and machine tool, to solve the tool changing system in prior art when using in machining center, because the automatic tool changing steering speed is fast in the tool changing process, when high -speed rotation or remove, the tool will fall off because loosening, this not only can damage the tool and tool magazine, still can cause the security hidden danger to machine tool and operator, and the tool changing system in the above proportion case is also short of the ability of locking and cleaning tool, so the tool changing system that still lacks the ability of cleaning tool directly sends the machined tool into the tool magazine under long -term use will accumulate cutting fluid, metal scrap and other impurities, lead to tool wear aggravation, the problem of tool magazine performance decline.

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a machining center's tool changing system, including the tool changing frame, for carrying machining center tool changing assembly main part;

[0008] Chain tool magazine, set up in the left side of tool changing frame, for storing tool, and the bottom of chain tool magazine is provided with tool changing sleeve, the inside of tool changing sleeve is provided with first tool, the bottom of tool changing frame is fixedly installed with tool changing seat, the top of tool changing seat is provided with servo motor, the output of servo motor is fixedly installed with first telescopic cylinder, the bottom of first telescopic cylinder is fixedly installed with connecting rod, the other end of connecting rod is fixedly connected with steering tool holder;

[0009] Second telescopic cylinder, set up in the inside of steering tool holder, for propelling push rod, and the front end of second telescopic cylinder is fixedly installed with push rod, the outside of push rod is provided with damping telescopic spring, the front end of push rod is fixedly installed with lock head, the both sides of steering tool holder are fixedly installed with outer lock ring, the top of steering tool holder is fixedly installed with infrared sensor, the inside of outer lock ring is provided with second tool;

[0010] Fixed seat, set up in the both sides of tool changing seat, for connecting installation cleaning cavity, and the bottom of cleaning cavity is fixedly installed with air jet pipe, the bottom of air jet pipe is provided with air jet head.

[0011] Preferably, the top of tool changing frame is fixedly installed with upper mounting plate, the top of upper mounting plate is provided with adjusting groove, the inside of adjusting groove is movably connected with fastening bolt.

[0012] Preferably, the turning tool holder is fixedly connected with a connecting rod, and the connecting rod is movably connected with the tool changer.

[0013] Preferably, the outer locking ring is fixedly connected with the turning tool holder, and the locking head is movably connected with the turning tool holder.

[0014] Preferably, the number of the jet heads is multiple, and the multiple jet heads are equidistantly distributed on the jet pipe.

[0015] Preferably, a vacuum air pump is fixedly installed outside the cleaning cavity, an air suction pipeline is fixedly installed at an output end of the vacuum air pump, and a main tool holder is arranged at the right side of the tool changer.

[0016] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0017] 1. The utility model discloses a turning tool holder, a locking head, an infrared sensor, a cleaning cavity and a jet head are arranged, when the tool changer is used, when the tool is in the inside of the outer locking ring, the infrared sensor on the turning tool holder senses the tool, the second telescopic cylinder in the inside pushes the advancing rod, the advancing rod pulls the damping telescopic spring and the locking head together and touches the outside of the tool, and the tool is locked with the outer locking ring, then when the turning tool holder drives the tool to turn, moves to the cleaning cavity below and sprays the airflow on the tool from top to bottom through multiple groups of jet heads to wash the cutting fluid, metal scraps and other impurities on the tool and then sends into the tool magazine, so that the tool changer has the ability of locking and cleaning the tool, the stability and safety in the tool changing process are improved, the tool can be kept clean in the tool changing process, the service life of the tool is prolonged and the machining precision is improved, the stability and precision in the machining process are ensured through the accurate locking and cleaning of the tool, the machining quality is improved, this is especially important for the parts needing high-precision machining, and the tool can be prevented from falling off or loosening in the machining process, so as to avoid the safety hidden danger to the operator and the machine tool.

[0018] 2. The utility model discloses a tool changer, an upper mounting plate, an adjusting groove, a fastening bolt and a chain type tool magazine are arranged, when the tool changer is used, the tool changer can be directly installed and used in different machining centers through the upper mounting plate, the adjusting groove and the fastening bolt, the application range of the tool changer is improved, the structure of the chain type tool magazine is stable and reliable, the stability and safety of the tool in the storage and conveying process can be ensured, this helps to reduce the tool damage and machining error, improve the machining quality and stability, the overall design makes the tool changer easy to install and maintain, the maintenance cost and time are reduced, the production cost is reduced and the profit ability of the enterprise is improved. ACCURACY

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only represent some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the chain tool magazine structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the turning tool holder structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the locking head structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the air jet head structure of the utility model.

[0025] Explanation of reference signs:

[0026] 1, tool changing holder; 2, upper mounting plate; 3, adjusting groove; 4, fastening bolt; 5, chain tool magazine; 6, tool changing sleeve; 7, first tool; 8, tool changing seat; 9, servo motor; 10, first telescopic cylinder; 11, connecting rod; 12, turning tool holder; 13, second telescopic cylinder; 14, pushing rod; 15, damping telescopic spring; 16, locking head; 17, outer locking ring; 18, infrared sensor; 19, second tool; 20, fixed seat; 21, cleaning cavity; 22, air jet pipe; 23, air jet head; 24, vacuum air pump; 25, air pumping pipeline; 26, main tool seat. DETAILED DESCRIPTION

[0027] In order to make those skilled in the art better understand the technical solutions of the utility model, the utility model will be further described in detail in combination with the drawings.

[0028] The utility model provides a kind of tool changing system of machining center as shown in Figures 1-5 It includes tool changing holder 1, for carrying the main body of machining center tool changing component;

[0029] Chain tool magazine 5, set in the left side of the tool changer 1, for storing tools, and the bottom of the chain tool magazine 5 is provided with a tool changing sleeve 6, the inside of the tool changing sleeve 6 is provided with a first tool 7, the bottom of the tool changer 1 is fixedly installed with a tool changing seat 8, the upper side of the tool changing seat 8 is provided with a servo motor 9, the output end of the servo motor 9 is fixedly installed with a first telescopic cylinder 10, the bottom end of the first telescopic cylinder 10 is fixedly installed with a connecting rod 11, the other end of the connecting rod 11 is fixedly connected with a steering tool holder 12;

[0030] Second telescopic cylinder 13, arranged in the inside of the steering tool holder 12, for pushing the push rod 14, and the front end of the second telescopic cylinder 13 is fixedly installed with the push rod 14, the outside of the push rod 14 is provided with a damping telescopic spring 15, the front end of the push rod 14 is fixedly installed with a locking head 16, the two sides of the steering tool holder 12 are fixedly installed with an outer locking ring 17, the upper side of the steering tool holder 12 is fixedly installed with an infrared sensor 18, the inside of the outer locking ring 17 is provided with a second tool 19;

[0031] Fixed seat 20, arranged on both sides of the tool changing seat 8, for connecting and installing a cleaning cavity 21, and the bottom of the cleaning cavity 21 is fixedly installed with a jet pipe 22, the bottom of the jet pipe 22 is provided with a jet head 23, when the steering tool holder 12 drives the tool to steer, it will be moved to the cleaning cavity 21 below and will be sprayed by a group of jet heads 23 from top to bottom to flush the cutting fluid, metal chips and other impurities remaining on the tool and then sent to the tool magazine.

[0032] As shown in Figure 1 , Figure 2 and Figure 3 , the upper side of the tool changer 1 is fixedly installed with an upper mounting plate 2, the upper side of the upper mounting plate 2 is provided with an adjusting groove 3, the inside of the adjusting groove 3 is movably connected with a fastening bolt 4, the tool changing system is directly installed and used in different machining centers through the upper mounting plate 2, the adjusting groove 3 and the fastening bolt 4, which improves the overall application range of the tool changing system, the steering tool holder 12 is fixedly connected with the connecting rod 11, the connecting rod 11 is movably connected with the tool changing seat 8, and the steering tool holder 12 completes the up-down lifting and steering operations under the driving of the servo motor 9 and the first telescopic cylinder 10.

[0033] As shown in Figure 1 , Figure 4 and Figure 5As shown, the outer locking ring 17 is fixedly connected with the turning tool holder 12, the tight locking head 16 is movably connected with the turning tool holder 12, the infrared sensor 18 on the turning tool holder 12 senses the tool, and the second retractable cylinder 13 in the interior pushes the pushing rod 14, the pushing rod 14 pulls the damping retractable spring 15 and the tight locking head 16 together to resist the outside of the tool, and the outer locking ring 17 together forms locking with the tool, the number of the jet head 23 is set to be multiple, multiple jet heads 23 are equally spaced on the jet pipe 22, and multiple groups of jet heads 23 spray gas flow from top to bottom to spray and flush the cutting fluid, metal chips and other impurities remaining on the tool, and then send them into the tool magazine, the outside of the cleaning cavity 21 is fixedly installed with the vacuum air pump 24, the output end of the vacuum air pump 24 is fixedly installed with the air pumping pipeline 25, the right side of the tool changer 1 is provided with the main tool seat 26, the overall structure of the cleaning cavity 21 is simple and easy to operate, and when a fault occurs, maintenance personnel can timely maintain, without affecting the normal use of the device.

[0034] The working principle of this practical system is as follows: First, connect the external power supply. Then, install the tool changing system directly with different machining centers via the upper mounting plate 2, adjusting slot 3, and fastening bolts 4. Next, load different tools into the chain tool magazine 5. The tool to be changed is transported to the bottom of the chain tool magazine 5 through the inner tool changing sleeve 6. Then, turn on the switch of the first telescopic cylinder 10, which drives the connecting rod 11 to lower the steerable tool holder 12. Finally, turn on the switch of the servo motor 9, which drives the steerable tool holder 12 to adjust its rotation angle. Next, when the first tool 7 in the inner tool changer 6 is inside the outer locking ring 17 of the directional tool holder 12, the infrared sensor 18 on the directional tool holder 12 senses the tool and the second telescopic cylinder 13 inside pushes the push rod 14. Pushing the push rod 14 pulls the damping telescopic spring 15 and the locking head 16 together to abut against the outside of the tool, locking the tool together with the outer locking ring 17. Then, the directional tool holder 12 first descends, allowing the first tool 7 to disengage from the inner tool changer 6. After the tool change is completed, the directional tool holder 12 moves the tool to the cleaning chamber 21 as it turns. Afterwards, the vacuum pump 24 can be turned on, and the vacuum pump 24 will deliver a certain amount of gas to the cleaning chamber 21 through the air extraction pipe 25. This gas will be sprayed from top to bottom through multiple sets of jet nozzles 23 to spray and wash away residual cutting fluid, metal chips and other impurities on the tool. After cleaning, the first tool 7 will be sent into the main tool holder 26 to complete the tool change in the same way. Similarly, when the second tool 19 used on the main tool holder 26 is removed, the second tool 19 will first be locked and disengaged by the directional tool holder 12, and then rotated to the bottom of the cleaning chamber 21. The tool is then fed into the chain tool magazine 5, which enables the tool changing system to lock and clean the tool, improving the stability and safety of the tool changing process. It also ensures that the tool remains clean during the tool changing process, thereby extending the tool's service life and improving machining accuracy. Finally, after completing the installation and use of the entire tool changing system according to the above operations, turn off the switch of the servo motor 9, the switch of the first telescopic cylinder 10, and the switch of the vacuum pump 24. If the system is not used for a long time, simply disconnect the external power supply. This completes the operation of the tool changing system of the machining center.

[0035] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A tool changer system of a machining center, characterized by: The utility model relates to a tool changer for machining center, including Tool changer (1) is used for carrying the main body of machining center tool changing assembly, chain tool magazine (5) is set up in the left side of tool changer (1) and is used for depositing tool, and the bottom of chain tool magazine (5) is provided with tool changing sleeve (6), the inside of tool changing sleeve (6) is provided with first tool (7), the bottom of tool changer (1) is fixedly installed with tool changing seat (8), the top of tool changing seat (8) is provided with servo motor (9), the output of servo motor (9) is fixedly installed with first telescopic cylinder (10), the bottom of first telescopic cylinder (10) is fixedly installed with connecting rod (11), the other end of connecting rod (11) is fixedly connected with steering tool holder (12), Second telescopic cylinder (13) is set up in the inside of steering tool holder (12) and is used for propelling propelling rod (14), and the front end of second telescopic cylinder (13) is fixedly installed with propelling rod (14), the outside of propelling rod (14) is provided with damping telescopic spring (15), the front end of propelling rod (14) is fixedly installed with lock head (16), the both sides of steering tool holder (12) are fixedly installed with outer locking ring (17), the top of steering tool holder (12) is fixedly installed with infrared sensor (18), the inside of outer locking ring (17) is provided with second tool (19), Fixed seat (20) is set up in the both sides of tool changing seat (8) and is used for connecting and installing cleaning cavity (21), and the bottom of cleaning cavity (21) is fixedly installed with air jet pipe (22), the bottom of air jet pipe (22) is provided with air jet head (23). The top of tool changer (1) is fixedly installed with upper mounting plate (2), the top of upper mounting plate (2) is provided with adjusting groove (3), and the inside of adjusting groove (3) is movably connected with fastening bolt (4).

2. The tool changer system of a machining center according to claim 1, characterized in that: The steering tool holder (12) is fixedly connected with the connecting rod (11), and the connecting rod (11) is movably connected with the tool changing seat (8).

3. The tool changer system of a machining center according to claim 1, characterized in that: The outer locking ring (17) is fixedly connected with the steering tool holder (12), and the lock head (16) is movably connected with the steering tool holder (12).

4. The tool changer system of claim 1, wherein: The number of air jet heads (23) is multiple, and the multiple air jet heads (23) are equidistantly distributed on the air jet pipe (22).

5. The tool changer system of claim 1, wherein: The vacuum air pump (24) is fixedly installed outside the cleaning cavity (21), the output end of the vacuum air pump (24) is fixedly installed with the air suction pipeline (25), and the right side of the tool changer (1) is provided with the main tool seat (26).

6. The tool changer system of a machining center according to claim 1, characterized in that: ​

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