TWM451204U - Non-intermittent servo motor tool switching mechanism - Google Patents

Description

No intermittent servo motor tool change mechanism

This creation department is a fast tool selection technology for processing machinery. Specifically, it refers to a servo motor drive group that can be used with a variety of processing machines. The motor drive group uses a camshaft to rotate the drive bearing to drive the indexing plate to the disk. The tool magazine can quickly select the knife and the tool change process is not stagnant, so as to provide the rapid tool change requirements of the processing machine, and improve the processing precision and service life of the machining machine.

According to the prior art machining center, the tool change mechanism is mounted on the main body of the tool change mechanism, and the motor is connected to the electric control device. The motor drives the cam shaft and the arm and the spindle mounted on the main body of the tool change mechanism through the transmission device. Action, and according to the control of the program, the tool is correctly selected for positioning, and the tool exchange action is performed to complete various processing requirements, such as milling, drilling, boring, tapping, etc., and the tool change mechanism can be greatly shortened. Processing time and reduce production costs.

When the tool change is required for machining, the tool change mechanism selects the tool according to the control of the program. The servo motor drive gear is used to drive the gear on the camshaft, and the indexing disk is rotated to perform the tool selection. Gear biting The way of the transmission and the rotation of the indexing disc, the selection of the knife, the change of the knife, the knife-cuttering action will result in the selection of the knife, the change of the knife, the stop of the knife is not correct, the motion is not continuous, and the tool change process does not accurately damage the tool. , resulting in reduced processing efficiency, increased processing time and increased production costs.

The reason is that this creator has in-depth discussion on the problem of tool change faced by the above-mentioned machining center with the tool change mechanism, and through years of research and development and manufacturing experience in related industries, through continuous efforts to improve and test, finally A non-intermittent servo motor tool change mechanism was successfully developed to overcome the shortcomings of the tool change mechanism of the existing machining center due to the long tool change, low machining efficiency, and stagnation of the tool change.

Therefore, the main purpose of the present invention is to provide a non-intermittent servo motor tool change mechanism, which fixes the servo motor drive group to the side of the disc magazine, and the motor drive group uses the cam shaft to rotate the drive bearing to drive the sub-driver. Dial to avoid the gap between the gear and the gear meshing transmission, resulting in inaccurate tool change or stagnation, and indeed improve the tool change stagnation tool speed is too slow, so as to provide a quick change of processing machinery Knife demand and improve machining machining accuracy and service life.

Based on this, the author mainly uses the following technical means to achieve the above-mentioned purposes and effects, including at least: A machine tool body has a tool holder bracket on both sides of the upper part of the machine body, a spindle on the middle side, and a tool holder swing arm at the front end of the tool holder bracket on both sides, and a torsion spring fixing groove is arranged on the inner side of the tool holder swing arm A powerful pre-compression torsion spring is arranged, and the strong pre-compression torsion spring can press the tool magazine swing arm in a normal state, and a disc-type tool magazine is arranged at the bottom end of the tool magazine swing arm, and a plurality of gripper holders are arranged on the periphery of the disc-type tool magazine; A servo motor drive set includes: a servo motor, a motor gear, a camshaft, a plurality of transmission bearings and an indexing plate, the servo motor is locked on a side of the cutter type magazine, and a motor gear is provided at a front end of the servo motor A camshaft is arranged on a side of the motor gear, a transmission gear is meshed with the motor gear on the front side of the camshaft, a non-intermittent servo cam is arranged in the middle section, a slide rail is formed in the cam without the intermittent servo, and a fixed seat is arranged on the rear side of the camshaft. The side edge is provided with an indexing disc, and the outer edge of the indexing disc is circumferentially locked with a plurality of transmission bearings, wherein one of the transmission bearings is accommodated in the non-intermittent servo-specific cam inner slide rail; thereby, when the servo motor drives the motor gear to rotate the transmission gear After The gear-driven camshaft and the non-intermittent servo-dedicated cam rotate synchronously to accommodate the transmission bearing in the non-intermittent servo-specific cam slide rail, and follow the movement of the slide rail to rotate, thereby driving the indexing disc of the transmission bearing lock to rotate, because each The transmission bearings are all corresponding to different machining tools, and the servo motor drive group can be set to drive the indexing plate to rotate rapidly through the program control, thereby quickly completing the selection and tool changing operations, which greatly shortens the machining time and reduces the production cost.

In this regard, through the specific implementation of the above technical means, when the servo motor is driven to drive the camshaft, the camshaft-free intermittent servo-specific cam is synchronously rotated, so that the transmission bearing slides in the non-intermittent servo-specific cam inner slide rail, and the indexing disk is driven. Fast rotation and precise positioning for tool change or precise speed Speed does not stop and other functions.

In order to enable the review board to further understand the composition, characteristics and other purposes of the creation, the following are some of the preferred embodiments of the creation, and the detailed description of the creation is as follows, and the person familiar with the technical field can be implemented. .

The present invention is a non-intermittent servo motor tool change mechanism, and the present embodiment and its components, as illustrated in the accompanying drawings, all relate to front and rear, left and right, top and bottom, upper and lower, and horizontal and vertical. References are for convenience of description only, and are not intended to limit the creation of the invention, nor to limit its components to any position or spatial orientation. The drawings and the dimensions specified in the specification may be varied according to the design and needs of the specific embodiments of the present invention, without departing from the scope of the invention.

For a brief structure of the tool change mechanism of the intermittent servo motor, please refer to the first to eighth figures. The tool change mechanism of the intermittent servo motor includes at least: a machine body (20), the machine tool A tool holder (21) is arranged on both sides of the upper part of the body (20), a spindle (23) is arranged on the middle side, and a tool holder arm (22) is pivoted at the front end of the magazine holder (21) on both sides, and the tool holder swing arm (22) The inner side is provided with a torsion spring fixing groove (28) to pivot a strong pre-compression torsion spring (30), and the strong pre-compression torsion spring (30) can press the tool magazine swing arm (22) in a normal state, the tool magazine a disc type magazine (30) is arranged at the bottom end of the swing arm (22), and a plurality of grip holders (80) are arranged on the periphery of the disc type magazine (30); A servo motor transmission group (50) includes: a servo motor (51), a motor gear (52), a cam shaft (53), a plurality of transmission bearings (54), and an indexing plate (55), the servo motor (51) Locked on the side of the cutter-type tool magazine (30), the front end of the servo motor (51) is provided with a motor gear (52), and the motor gear (52) is provided with a cam shaft (53) on the side, and a cam shaft (53) The front side is provided with a transmission gear (56) meshing with the motor gear (52), a non-intermittent servo dedicated cam (531) is provided at the middle portion, and a fixed seat (57) is provided at the rear side, and there is no intermittent servo dedicated cam (531) Forming a slide rail (532), an indexing plate (55) is arranged on a side of the cam shaft (53), and a plurality of transmission bearings (54) are locked on the outer periphery of the indexing plate (55), and one of the transmissions is transmitted during the transmission. The bearing (54) is placed between the non-intermittent servo-specific cam (531) slide rails (532), and the other drive bearing (54) is screwed into the slide rails (532) on the side of the non-intermittent servo-specific cam (531). Therefore, when the servo motor (51) drives the motor gear (52) to rotate the transmission gear (56), the transmission gear (56) drives the cam shaft (53) and the intermittent servo-free cam (531) to rotate synchronously, so that It is housed in a non-intermittent servo The inner bearing (54) of the slide rail (532) of the cam (531) is moved and rotated according to the slide rail (532), thereby driving the indexing disc (55) locked by the transmission bearing (54) to rotate, because each transmission bearing (54) Corresponding to different machining tools, the servo motor drive group (50) can be set to drive the indexing plate (55) to rotate rapidly by the program control, so that the action of selecting the tool and changing the tool can be completed quickly, and the machining is greatly shortened. Time course, reducing production costs.

Please refer to the sixth to eighth figures. In another embodiment of the present invention, the machine body (20) is provided with a main shaft (23), and the main shaft (23) is provided on both sides thereof. The moving plate (40) can be displaced synchronously with the main shaft (21), and the connecting plate (40) is provided with a flat portion (41) and a concave portion (42) having a height difference, and the front side of the machine body (20) is provided with a tool holder (21). The tool holder (21) inner fixed seat can pivot the tool magazine swing arm (22), and the inside of the tool magazine swing arm (22) is provided with a groove for accommodating the strong pre-compression torsion spring (24), and the strong pre-compression torsion spring ( 24) The magazine swing arm (22) can be pressed down, the magazine housing (24) combined with the magazine swing arm (22), and the roller (27) pivoted on the side roller adjustment seat (26), The disc magazine (30) combined with the magazine housing (25) moves smoothly and does not shake when the roller (27) slides on the flat portion (41) and the recess portion (42) of the linkage plate (40), and the tool pocket swings (22) There is a disc magazine (30) at the end, and a magazine housing (24) is arranged in the disc magazine (30), and a cutter disc intermittent rotation mechanism is provided in the magazine housing (24). The intermittent rotation mechanism enables the tool magazine (30) to complete the tool selection and tool change. When the tool needs to be changed, the knife holder (80) grasps the knife downward, completes the knife and performs the tool change.

With the above-mentioned components, when the machine tool motor drives the main shaft (23) to move up and down, the linkage plate (40) is synchronously displaced and lifted, and cooperates with the disc type magazine (30) side roller adjustment seat (26) on the roller (27) on the linkage plate ( 40) Upward sliding lifting, when the roller is lowered from the flat portion (41) to the concave portion (42); then the concave portion (42) is raised to the flat portion (41), and the disk type tool magazine (30) synchronous displacement linkage quick change can be completed. The knife action, and the disc holder (30) is provided with a grip holder (80) on the circumference, and the grip holder (80) is provided with a lock bar (81) and an elastic spring (82), which cooperate with the loose knife block. (83) The knives and loose knives can be completed, and the cutters can be prevented from falling and flying out during the tool change.

In this way, it can be understood that this creation is a creative new creation, in addition to effectively solving the problems faced by the practitioners, and greatly improving the effectiveness, and In the same technical field, the same or similar product creation or public use has not been seen, and at the same time, the efficiency has been improved. Therefore, this creation has met the requirements of "newness" and "progressiveness" of the new patent, and is applying for a new type of patent according to law. .

(20)‧‧‧ Machine body

(21)‧‧‧Knife holder

(22)‧‧‧Magnetic Swing Arm

(23)‧‧‧ Spindle

(24)‧‧‧Preloaded torsion spring

(25)‧‧‧Magnetic cabinet

(26)‧‧‧Roller adjustment seat

(27)‧‧‧Rollers

(28)‧‧‧Torsion spring fixing groove

(30)‧‧‧Disk magazine

(40)‧‧‧ linkage board

(41) ‧ ‧ flat

(42) ‧ ‧ recess

(50)‧‧‧Servo motor drive set

(51)‧‧‧Servo motor

(52)‧‧‧Motor gear

(53)‧‧‧Camshaft

(531)‧‧‧Without intermittent servo cam

(532)‧‧‧Slide rails

(54)‧‧‧ Transmission bearings

(55)‧‧‧Division

(56) ‧‧‧Transmission gear

(57)‧‧‧ Fixed seat

(80)‧‧‧Knife holder

(81)‧‧‧The knives hit the block

(82)‧‧‧Elastic springs

The first picture is a three-dimensional diagram of the motor drive group and the disk magazine of the present creation.

The second picture is a three-dimensional exploded view of the motor drive set of the present creation.

The third picture: a schematic view of the creation of this creation.

The fourth picture: the schematic diagram of the knife.

The fifth picture: the schematic diagram of the retreat of this creation.

Figure 6 is a schematic diagram of another embodiment of the present invention.

Figure 7: Schematic diagram of the retracting action of another embodiment of the present creation

Figure 8 is a schematic view of another embodiment of the present invention.

(22)‧‧‧Magnetic Swing Arm

(30)‧‧‧Disk magazine

(50)‧‧‧Servo motor drive set

(51)‧‧‧Servo motor

(52)‧‧‧Motor gear

(53)‧‧‧Camshaft

(531)‧‧‧Without intermittent servo

(532)‧‧‧Slide rails

Cam

(55)‧‧‧Division

(54)‧‧‧ Transmission bearings

(56) ‧‧‧Transmission gear

(57)‧‧‧ Fixed seat

Claims (3)

The utility model relates to a tool change mechanism for an intermittent servo motor, which is provided with a tool holder bracket on both sides of the upper part of the machine body, a spindle is arranged on the middle side, and a tool magazine swing arm is arranged at the front end of the tool holder brackets on both sides, and the inside of the tool pocket is provided The torsion spring fixing groove can be pivoted with a strong pre-compression torsion spring, and a disc type tool magazine is arranged at the bottom end of the tool magazine swing arm, and a plurality of knife holders are arranged on the periphery of the disc type magazine; the characteristic is that the side of the disc type magazine is provided There is a servo motor drive group, a servo motor drive set, comprising: a servo motor, a motor gear, a camshaft, a plurality of transmission bearings and an indexing plate, the servo motor is locked on the side of the disk magazine, the servo The motor has a motor gear at the front end of the motor, a camshaft is arranged on the side of the motor gear, a transmission gear is meshed with the motor gear on the front side of the camshaft, a non-intermittent servo cam is arranged in the middle section, and a slide rail is formed in the cam without the intermittent servo. The side is provided with a fixing seat, and an indexing plate is arranged on a side of the cam shaft, and a plurality of transmission bearings are arranged on the outer periphery of the indexing plate, that is, a non-intermittent servo motor tool changing mechanism is completed. According to the non-intermittent servo motor tool changing mechanism described in claim 1, wherein among the plurality of transmission bearings, one of the transmission bearings is accommodated between the non-intermittent servo-specific cam slide rails, and the other transmission bearing is Screw the side of the cam without the intermittent servo into the slide rails in sequence. According to the non-intermittent servo motor tool changing mechanism described in claim 1, wherein the plurality of transmission bearings can be rotated according to the sliding rail, thereby driving the indexing disc locked by the transmission bearing to complete the rapid tool selection and tool change.