Rapid tool changing device for vertical turret milling machine

Abstract

The utility model discloses a quick tool changer for a vertical turret milling machine, which relates to the technical field of milling machines and comprises a shell, a rotary driving component is arranged in the shell, a support is arranged at the top end of the shell, and the bottom end of the support is connected with the rotary driving component. A plurality of milling cutter placing barrels are arranged at the two ends of the top of the support, buffering assemblies are arranged at the bottom ends in the milling cutter placing barrels, and milling cutter stabilizing mechanisms are arranged on the side walls in the milling cutter placing barrels; connecting plates are arranged at the two ends of the shell, and connecting holes are formed in the connecting plates; a protruding block is arranged at the top end of the support and located on the side edge of the milling cutter containing cylinder, and an infrared reflection marker is arranged in the protruding block. The tool changing efficiency of the vertical turret milling machine can be improved, diversified milling tools can be provided for the vertical turret milling machine, and when the vertical turret milling machine works, the milling tool containing barrel can be away from a machining area in a rotating mode, and normal work of the milling machine is prevented from being interfered.

Description

Technical Field

[0001] The utility model relates to the technical field of milling machines, in particular to a quick tool changing device for a vertical turret milling machine. Background Art

[0002] Vertical turret milling machines are used for milling, drilling, boring, and other machining operations. The term "vertical" refers to the vertical spindle, while the term "turret" refers to the ability to rotate and adjust the tool head. Vertical turret milling machines are widely used in mold manufacturing, machining, and repair. A quick tool changer is an auxiliary device used on vertical turret milling machines, designed to improve production efficiency and machining accuracy, reduce downtime, and increase productivity.

[0003] The existing quick tool changing device of the milling machine, for example, Chinese patent 202220994970.8 discloses a quick tool changing device for the milling machine, which is arranged by the coordination of a first electric push rod, a mounting plate, a first motor, a first connecting block, a connecting rod, a second motor, a driving gear, a driven gear, a first rotating shaft, a turntable, a mounting block and a tool structure, and does not require manual labor to change the tool.

[0004] However, in order to improve the tool changing efficiency and adapt to the characteristics of the vertical turret milling machine in which the spindle can follow the rotation and position adjustment of the turret head, it is an urgent problem to design a quick tool changing device that can accurately supply milling cutters without affecting the normal operation of the vertical turret milling machine.

[0005] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content

[0006] In view of the problems in the related art, the utility model proposes a quick tool changing device for a vertical turret milling machine to overcome the above technical problems existing in the existing related art.

[0007] To this end, the specific technical solutions adopted in this utility model are as follows:

[0008] A rapid tool changer for a vertical turret milling machine includes a housing, a rotary drive assembly disposed within the housing, a bracket disposed at the top of the housing, and a bottom end of the bracket connected to the rotary drive assembly. A plurality of milling cutter placement cylinders are disposed at both ends of the bracket's top, a buffer assembly disposed at the bottom end of the milling cutter placement cylinders, and a milling cutter stabilization mechanism disposed on the inner sidewalls of the milling cutter placement cylinders. Connecting plates are disposed at both ends of the housing, each with a connecting hole disposed therein. A protrusion is disposed at the top of the bracket, located on the side of the milling cutter placement cylinders, and an infrared reflective marker is disposed within the protrusion.

[0009] Furthermore, in order to be able to rotate the milling cutter placement cylinder, the rotation drive assembly includes a motor arranged inside the shell, the output shaft of the motor is connected to a reducer, and the output shaft of the reducer is connected to the middle part of the bracket.

[0010] Furthermore, in order to prevent the milling cutter from causing excessive impact on the top of the bracket when leaving or entering the milling cutter placement cylinder, the buffer assembly includes a buffer block arranged at the bottom end of the milling cutter placement cylinder, and the buffer block is connected to the bracket by bolts.

[0011] Furthermore, in order to stabilize the milling cutter, the milling cutter stabilization mechanism includes several cylinders arranged in the side wall of the milling cutter placement cylinder, a spring is arranged in the cylinder, a connecting rod is arranged at one end of the spring close to the center direction of the milling cutter placement cylinder, and the end of the connecting rod away from the spring extends into the milling cutter placement cylinder and is connected to a clamping plate; a clamping arc surface is provided at one end of the clamping plate close to the center direction of the milling cutter placement cylinder, and a guide plate is provided at the top of the clamping plate.

[0012] The beneficial effects of the utility model are:

[0013] (1) The utility model can improve the efficiency of tool changing of a vertical turret milling machine. By placing different milling cutters in a plurality of milling cutter placement barrels, a variety of milling cutters can be provided to the vertical turret milling machine. When the vertical turret milling machine is working, the milling cutter placement barrel can be rotated away from the processing area to avoid interfering with the normal operation of the milling machine.

[0014] (2) By setting up a milling cutter stabilization mechanism, the milling cutter can be clamped so that the milling cutter can remain stable when the milling cutter is rotated, and the milling cutter is stabilized by using a spring to provide a clamping force. In this way, when the milling machine spindle clamps the milling cutter to be replaced, the milling cutter can be pulled out of the milling cutter placement tube; by setting up a buffer component, the milling cutter will not cause excessive impact on the top of the bracket when leaving or entering the milling cutter placement tube.

[0015] (3) By setting up a rotary drive assembly, several milling cutter placement cylinders can be rotated so that the milling cutter placement cylinders can be close to the processing area, and then the vertical turret milling machine can easily move the spindle to the top of the designated milling cutter placement cylinder, and then the milling cutter can be replaced. When the milling machine is processing, the milling cutter placement cylinder can be kept away from the processing area to avoid interference with the processing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a structural schematic diagram of a quick tool changing device for a vertical turret milling machine according to an embodiment of the utility model;

[0018] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle;

[0019] Figure 3 This is a schematic diagram of the internal structure of a housing in a quick tool changing device for a vertical turret milling machine according to an embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of a milling cutter placement barrel in a quick tool change device for a vertical turret milling machine according to an embodiment of the present utility model;

[0021] Figure 5 This is a cross-sectional view of a milling cutter placement barrel in a quick tool change device for a vertical turret milling machine according to an embodiment of the present utility model;

[0022] Figure 6 This is a schematic diagram of a quick tool changing device for a vertical turret milling machine after the milling cutter is placed according to an embodiment of the present utility model.

[0023] In the picture:

[0024] 1. Housing; 2. Rotary drive assembly; 201. Motor; 202. Reducer; 3. Bracket; 4. Milling cutter placement cylinder; 5. Buffer assembly; 501. Buffer block; 502. Bolt; 6. Milling cutter stabilization mechanism; 601. Cylinder; 602. Spring; 603. Connecting rod; 604. Clamping plate; 605. Clamping arc surface; 606. Guide plate; 7. Connecting plate; 8. Connecting hole; 9. Bump; 10. Infrared reflective marker. DETAILED DESCRIPTION

[0025] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0026] According to an embodiment of the present utility model, a quick tool changing device for a vertical turret milling machine is provided.

[0027] The present invention will now be further described with reference to the accompanying drawings and specific embodiments. Figure 1-6As shown, a quick tool changing device for a vertical turret milling machine according to an embodiment of the present invention includes a housing 1, a rotary drive assembly 2 is provided inside the housing 1, a bracket 3 is provided at the top end of the housing 1, and the bottom end of the bracket 3 is connected to the rotary drive assembly 2; a plurality of milling cutter placement cylinders 4 are provided at both ends of the top of the bracket 3, a buffer assembly 5 is provided at the bottom end of the inner part of the milling cutter placement cylinder 4, and a milling cutter stabilization mechanism 6 is provided at the inner side wall of the milling cutter placement cylinder 4. A connecting plate 7 is provided at both ends of the housing 1, and a connecting hole 8 is provided in the connecting plate 7. A protrusion 9 is provided at the top end of the bracket 3 and located on the side of the milling cutter placement cylinder 4, and an infrared reflective marker 10 is provided inside the protrusion 9.

[0028] The infrared reflective marker 10 is made of microprismatic, glass bead, or coated reflective material to ensure a clean surface. An infrared sensor is mounted on the milling machine's spindle. Trigger conditions for the infrared sensor are set in the control system, such as stopping spindle motion when a reflected signal is detected. This allows the spindle and the milling cutter below it to align with the corresponding milling cutter placement barrel 4 when the infrared sensor is aligned with the infrared reflective marker 10.

[0029] With the help of the above-mentioned scheme, the utility model can improve the efficiency of tool changing of the vertical turret milling machine. By placing different milling cutters in several milling cutter placement barrels 4, a variety of milling cutters can be provided to the vertical turret milling machine. When the vertical turret milling machine is working, the milling cutter placement barrel 4 can be rotated away from the processing area to avoid interfering with the normal operation of the milling machine.

[0030] In one embodiment, for the above-mentioned rotary drive assembly 2, the rotary drive assembly 2 includes a motor 201 arranged inside the housing 1, and the output shaft of the motor 201 is connected to a reducer 202, and the output shaft of the reducer 202 is connected to the middle part of the bracket 3, so that several milling cutter placement cylinders 4 can be rotated, so that the milling cutter placement cylinders 4 can be close to the processing area, so that the vertical turret milling machine can easily move the spindle to the top of the designated milling cutter placement cylinder 4, and then the milling cutter can be replaced. When the milling machine is processing, the milling cutter placement cylinder 4 can be kept away from the processing area to avoid interference with the processing process.

[0031] In one embodiment, for the above-mentioned buffer assembly 5, the buffer assembly 5 includes a buffer block 501 arranged at the bottom end of the milling cutter placement cylinder 4, and the buffer block 501 is connected to the bracket 3 through a bolt 502, so that when the milling cutter leaves or enters the milling cutter placement cylinder 4, it will not cause excessive impact on the top of the bracket 3.

[0032] In one embodiment, for the above-mentioned milling cutter stabilization mechanism 6, the milling cutter stabilization mechanism 6 includes a plurality of cylinders 601 arranged in the side wall of the milling cutter placement cylinder 4, a spring 602 is arranged in the cylinder 601, and a connecting rod 603 is provided at one end of the spring 602 close to the center direction of the milling cutter placement cylinder 4. The end of the connecting rod 603 away from the spring 602 extends into the milling cutter placement cylinder 4 and is connected to a clamping plate 604. It should be noted that the clamping force provided by the spring 602 can keep the milling cutter stable during movement. At the same time, when the spindle clamps the milling cutter and leaves, the milling cutter will not be unable to leave due to excessive clamping force; a clamping arc surface 605 is provided at one end of the clamping plate 604 close to the center direction of the milling cutter placement cylinder 4, and a guide plate 606 is provided at the top of the clamping plate 604, so that the milling cutter can be clamped, so that the milling cutter can remain stable when the milling cutter is rotated, and the spring 602 is used to provide a clamping force to stabilize the milling cutter, so that when the milling machine spindle clamps the milling cutter to be replaced, the milling cutter can be pulled out of the milling cutter placement cylinder 4.

[0033] The working principle of the milling cutter stabilizing mechanism 6 is as follows: when no milling cutter is inserted, the spring 602 is in a natural state, and the clamping plate 604 is maintained in the milling cutter placement cylinder 4 by the connecting rod 603 and the spring 602. The two ends of the spring 602 can be connected to the contact surface by bonding, so that the connecting rod 603 is not easy to separate from the cylinder 601. When the milling cutter reaches the cumulative number of times used, the milling machine spindle drives the milling cutter to be replaced to an empty milling cutter placement cylinder 4 and aligns it with the milling cutter placement cylinder 4. When the spindle drives the milling cutter to be replaced to insert the milling cutter placement cylinder 4, the shank of the milling cutter faces upward, and the bottom side wall of the milling cutter contacts the clamping camber 605 of the clamping plate 604. After the milling cutter is inserted into the milling cutter placement cylinder 4, the elastic force of the spring 602 pushes the clamping plate 604 to clamp the milling cutter. At this time, the spindle of the milling machine releases the milling cutter and leaves.

[0034] When the spindle moves and aligns with the milling cutter placement barrel 4 which is equipped with a new milling cutter, the spindle clamps the new milling cutter. Since the clamping force provided by the milling cutter stabilizing mechanism 6 is provided by the spring 602, it will not hinder the removal of the new milling cutter.

[0035] The existence of the guide plate 606 helps guide the milling cutter into a position between the plurality of clamping plates 604 when the milling cutter is inserted into the milling cutter placement cylinder 4 .

[0036] In order to facilitate understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in actual process is described in detail below.

[0037] In actual application, several milling cutters are placed in the milling cutter placement cylinder 4, and the milling cutters are stably clamped by the milling cutter stabilizing mechanism 6. The bracket 3 is kept in a position away from the processing area by the rotating drive component 2 to avoid interfering with the normal operation of the milling machine. When the tool needs to be changed, the motor 201 is started through the pre-configured control panel. The output shaft of the motor 201 drives the bracket 3 to rotate through the reducer 202, so that the bracket 3 can drive several milling cutter placement cylinders 4 to approach the main shaft of the milling machine by rotating ninety degrees (when it is necessary to move away from the main shaft of the milling machine, it only needs to return to its original position). Since the turret head of the vertical turret milling machine can rotate and adjust its position, it drives the spindle to approach the milling cutter placement cylinder 4. The infrared reflective marker 10 inside the protrusion 9 is detected by the pre-installed infrared sensor on the side of the spindle, and the movement of the spindle is stopped according to the feedback information of the infrared sensor, so that the required milling cutter placement cylinder 4 is aligned with the spindle. The milling cutter stabilizing mechanism 6 cooperates with the spindle to automatically replace the milling cutter.

[0038] It should be noted that the spindle mentioned in the present invention is used to automatically clamp the milling cutter, and automatically clamp and release the milling cutter through pneumatic, hydraulic or electric devices. It uses conventional products on the market, so the present invention will not describe its principle in detail.

[0039] In summary, the present invention can improve the efficiency of tool change in a vertical turret milling machine. By placing different milling cutters in a plurality of milling cutter placement barrels 4, a variety of milling cutters can be provided to the vertical turret milling machine. When the vertical turret milling machine is working, the milling cutter placement barrel 4 can be rotated away from the processing area to avoid interfering with the normal operation of the milling machine. By providing a milling cutter stabilization mechanism 6, the milling cutter can be clamped so that the milling cutter can remain stable when the milling cutter is rotated, and the spring 602 is used to provide a clamping force to stabilize the milling cutter. In this way, when the milling machine spindle clamps the milling cutter to be replaced, the milling cutter can be pulled out of the milling cutter placement barrel 4. By providing a buffer assembly 5, the milling cutter will not cause excessive impact on the top of the bracket 3 when leaving or entering the milling cutter placement barrel 4. By setting up a rotating drive component 2, several milling cutter placement cylinders 4 can be rotated so that the milling cutter placement cylinders 4 can be close to the processing area, and the vertical turret milling machine can conveniently move the spindle to the top of the designated milling cutter placement cylinder 4, thereby completing the replacement of the milling cutter. When the milling machine is processing, the milling cutter placement cylinder 4 can be kept away from the processing area to avoid interference with the processing process.

[0040] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; 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 be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A quick tool changing device for a vertical turret milling machine, comprising a housing (1), characterized in that: A rotation drive assembly (2) is provided inside the housing (1), a bracket (3) is provided at the top end of the housing (1), and the bottom end of the bracket (3) is connected to the rotation drive assembly (2); A plurality of milling cutter placement cylinders (4) are provided at both ends of the top of the bracket (3), a buffer assembly (5) is provided at the inner bottom end of the milling cutter placement cylinder (4), and a milling cutter stabilization mechanism (6) is provided at the inner side wall of the milling cutter placement cylinder (4).

2. A quick tool changing device for a vertical turret milling machine according to claim 1, characterized in that: The rotary drive assembly (2) comprises a motor (201) arranged inside the housing (1), a reducer (202) being connected to an output shaft of the motor (201), and an output shaft of the reducer (202) being connected to the middle portion of the bracket (3).

3. A quick tool changing device for a vertical turret milling machine according to claim 2, characterized in that: Both ends of the housing (1) are provided with connecting plates (7), and connecting holes (8) are provided in the connecting plates (7).

4. A quick tool changing device for a vertical turret milling machine according to claim 1 or 3, characterized in that: The buffer assembly (5) comprises a buffer block (501) arranged at the bottom end of the milling cutter placement cylinder (4), and the buffer block (501) is connected to the bracket (3) via a bolt (502).

5. A quick tool changing device for a vertical turret milling machine according to claim 4, characterized in that: The milling cutter stabilizing mechanism (6) comprises a plurality of cylinders (601) arranged in the side wall of the milling cutter placement cylinder (4), a spring (602) being arranged in the cylinder (601), a connecting rod (603) being arranged at one end of the spring (602) close to the center direction of the milling cutter placement cylinder (4), and an end of the connecting rod (603) away from the spring (602) extending into the milling cutter placement cylinder (4) and connected to a clamping plate (604).

6. A quick tool changing device for a vertical turret milling machine according to claim 5, characterized in that: A clamping arc surface (605) is provided at one end of the clamping plate (604) close to the center direction of the milling cutter placement cylinder (4), and a guide plate (606) is provided at the top end of the clamping plate (604).

7. A quick tool changing device for a vertical turret milling machine according to claim 6, characterized in that: A bulge (9) is provided at the top end of the bracket (3) and on the side of the milling cutter placement cylinder (4), and an infrared reflective marker (10) is provided inside the bulge (9).

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