CN217096799U - Adjustable tool changing mechanism for machine tool - Google Patents

Abstract

The utility model provides an adjustable tool changing mechanism for a machine tool, which comprises a machine tool body, wherein the top of the machine tool body is provided with a horizontally arranged top beam and a manipulator which is arranged on the top beam and used for clamping a tool; the manipulator comprises a moving seat which is slidably mounted on the top beam, the moving seat moves along the extending direction of the top beam, a connecting arm which extends along the vertical direction is also slidably connected to the moving seat, the lower end of the connecting arm is connected with an adjusting arm, and a cutter chuck is mounted on one side of the adjusting arm; the connecting arm with be connected with angle adjustment mechanism between the regulating arm and the drive the regulating arm pivoted actuating mechanism. The utility model discloses simple structure, convenient operation, at the tool changing in-process, can avoid the tool changing frame to interfere the tool changing mechanism, guarantee that the tool changing is smooth.

Description

Adjustable tool changing mechanism for machine tool

Technical Field

The utility model relates to a lathe technical field especially relates to an adjustable tool changing mechanism for lathe.

Background

At present, with the increasing productivity level, enterprises need to update a large amount of equipment for development, and a large number of enterprises increase the investment of numerical control equipment, wherein a numerical control machine tool, such as a machining center, needs a plurality of machining processes during production and machining, so that the numerical control machine tool rest matched with the numerical control machine tool rest is installed for auxiliary machining, and the working efficiency is improved.

In the machining process, according to machining requirements, a manipulator is used for grabbing corresponding cutters on the numerical control tool rest to perform a tool changing process. However, in the prior art, the numerical control tool rest is located on one side of the manipulator and moves in the inclined direction, and the corresponding numerical control tool rest moves in the vertical direction in the tool changing process of the manipulator.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a simple structure, avoid numerical control knife rest to interfere adjustable tool changing mechanism for lathe of tool changing process.

In order to solve the technical problem, the utility model provides an adjustable tool changing mechanism for a machine tool, which comprises a machine tool body, wherein the top of the machine tool body is provided with a horizontally arranged top beam and a manipulator which is arranged on the top beam and used for clamping a tool;

the manipulator comprises a moving seat which is slidably mounted on the top beam, the moving seat moves along the extending direction of the top beam, a connecting arm which extends along the vertical direction is also slidably connected to the moving seat, the lower end of the connecting arm is connected with an adjusting arm, and a cutter chuck is mounted on one side of the adjusting arm;

the connecting arm with be connected with angle adjustment mechanism between the regulating arm and the drive the regulating arm pivoted actuating mechanism.

Furthermore, angle adjustment mechanism includes two fixed plates, two the fixed plate corresponds to install the both sides of linking arm lower extreme, two be equipped with between the fixed plate and be used for rotating the connection the pivot of regulating arm.

Further, actuating mechanism rotates the connecting rod of connecting on driving actuating cylinder, actuating lever and the actuating lever, it fixes to drive actuating cylinder on the linking arm, just one side of regulating arm is passed through the pivot is connected on the fixed plate, its correspondence the opposite side of pivot with the connecting rod is connected.

Further, two all be equipped with the arc wall that corresponds each other on the fixed plate, still be connected with on the connecting rod and span the guide bar in the arc wall, the regulating arm with guide bar fixed connection, the both ends of guide bar extend to the outside of arc wall, and pass through flexible edge of actuating lever the arc wall removes, the regulating arm round the pivot is synchronous to be rotated.

Furthermore, the driving cylinder is provided with an air pipe joint for externally connecting an air source.

Furthermore, the outside of linking arm is equipped with the vertical slide rail that extends the setting along vertical direction, the linking arm passes through vertical slide rail with remove seat sliding connection.

Furthermore, the top beam is provided with a transverse sliding rail extending along the horizontal direction, and the movable seat is connected to the top beam in a sliding manner through the transverse sliding rail.

Further, the machine tool body further comprises a tool changing frame which is obliquely arranged, the connecting arm is located on one side of the tool changing frame and is obliquely connected to the connecting arm, and the tool chuck is located on the adjusting arm and corresponds to one side of the tool changing frame.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a pair of adjustable tool changing mechanism is used to lathe, simple structure, convenient operation, preparation cost is low. The adjusting arm is rotatably connected to the lower end of the connecting arm, and the angle between the adjusting arm and the connecting arm is adjusted through the angle adjusting mechanism and the driving mechanism, so that the cutter chuck arranged on the adjusting arm is prevented from interfering with the numerical control cutter rest when the cutter is replaced, and the cutter replacement is prevented from being influenced.

Wherein, the pivot is led to in one side of regulating arm and is connected at the linking arm lower extreme, and the opposite side is connected through driving actuating cylinder to the work drive regulating arm through driving actuating cylinder revolves the rotation of axes, and easy operation is swift, can realize the cutter chuck angle on the adjustment regulating arm according to the cutter position on the numerical control knife rest, conveniently changes the cutter, and work efficiency is high, and is nimble convenient.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a lathe according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of the portion B in FIG. 1;

fig. 3 is a schematic view of a front view of a lathe according to a preferred embodiment of the present invention;

FIG. 4 is a schematic view of the structure A-A in FIG. 3;

FIG. 5 is an enlarged view of the portion C of FIG. 4;

fig. 6 is a schematic structural diagram of the tool changing mechanism provided by the present invention.

Reference numbers in the figures:

1. a machine tool body; 2. a top beam; 3. a manipulator; 31. a movable seat; 32. a connecting arm; 33. an adjustment arm; 34. a tool holder; 4. an angle adjusting mechanism; 41. a fixing plate; 42. a rotating shaft; 43. an arc-shaped slot; 5. a drive mechanism; 51. a driving cylinder; 52. a drive rod; 53. a connecting rod; 54. a guide bar; 6. changing a tool rest; 7. a vertical slide rail; 8. a transverse slide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, an adjustable tool changing mechanism for a machine tool includes a machine tool body 1, wherein a top beam 2 horizontally disposed and a manipulator 3 mounted on the top beam 2 for clamping a tool are disposed at the top of the machine tool body 1; when the machine tool needs to be changed, the manipulator 3 moves along the top beam 2 to the tool changing carriage 6 (as shown in fig. 4 and 5).

The manipulator 3 comprises a moving seat 31 which is slidably mounted on the top beam 2, the moving seat 31 moves along the extending direction of the top beam 2, a connecting arm 32 which extends along the vertical direction is further slidably connected to the moving seat 31, the lower end of the connecting arm 32 is connected with an adjusting arm 33, and a cutter chuck 34 is mounted on one side of the adjusting arm 33; the tool chuck 34 is pneumatically controlled to facilitate gripping of tools on the tool changing frame 6 and tools on the lathe, and the mechanism is a conventional technical means in the prior art and is not described herein again.

In addition, in order to facilitate the adjustment of the angle of the adjusting arm 33 at the lower end of the connecting arm 32, an angle adjusting mechanism 4 and a driving mechanism 5 for driving the adjusting arm 33 to rotate are connected between the connecting arm 32 and the adjusting arm 33.

Specifically, as shown in fig. 6, the angle adjusting mechanism 4 includes two fixing plates 41, the two fixing plates 41 are correspondingly installed at two sides of the lower end of the connecting arm 32, and a rotating shaft 42 for rotatably connecting the adjusting arm 33 is disposed between the two fixing plates 41. Actuating mechanism 5 is including driving connecting rod 53 of rotating connection on actuating cylinder 51, actuating lever 52 and the actuating lever 52, it fixes to drive actuating cylinder 51 on connecting arm 32, just one side of regulating arm 33 is passed through pivot 42 connects on fixed plate 41, its correspondence the opposite side of pivot 42 with connecting rod 53 connects.

By fixing two fixing plates 41 on two corresponding surfaces of the lower end of the connecting arm 32 and arranging a rotating shaft 42 for connecting the adjusting arm 33 between the two fixing plates 41, one side of the upper end of the adjusting arm 33 is connected on the rotating shaft 42, the other side of the upper end of the adjusting arm 33 is connected with the connecting arm 32 through the driving mechanism 5, and works through a driving air cylinder 51 of the driving mechanism 5, so that the adjusting arm 33 can rotate around the rotating shaft 42, thereby adjusting the angular position of the adjusting arm 33 at the lower end of the connecting arm 32, and the tool chucks 34 on the adjusting arm 33 synchronously move and correspond to the tool changing frame 6.

The driving cylinder 51 is provided with an air pipe joint for connecting an external air source, and the driving cylinder 51 can reciprocate through the external air source of the air pipe joint. When actuating mechanism 5 drives the regulating arm 33 and rotates around pivot 42, in order to guarantee the pivoted precision of regulating arm 33, two all be equipped with the arc wall 43 that corresponds each other on the fixed plate 41, still be connected with on the connecting rod 53 and span in the guide bar 54 in the arc wall 43, regulating arm 33 with guide bar 54 fixed connection, the both ends of guide bar 54 extend to the outside of arc wall 43, and through the flexible edge of actuating lever 52 the arc wall 43 removes, regulating arm 33 round pivot 42 rotates in step, guarantees the rotation precision of regulating arm 33, and its angle rotation scope.

In this embodiment, the outer side of the connecting arm 32 is provided with a vertical sliding rail 7 extending in the vertical direction, and the connecting arm 32 is slidably connected with the moving seat 31 through the vertical sliding rail 7. The top beam 2 is provided with a transverse sliding rail 8 extending along the horizontal direction, and the movable seat 31 is connected to the top beam 2 through the transverse sliding rail 8 in a sliding manner. Thereby facilitating movement of the tool holder 34 on the adjustment arm 33 in the lateral and vertical directions for tool change.

The tool changing frame 6 on the machine tool body 1 is obliquely arranged, the manipulator 3 moves to the position of the tool changing frame 6 through the moving seat 31 along the top beam 2, the connecting arm 32 is located on one side of the tool changing frame 6 and is obliquely connected onto the connecting arm 32, and the tool chuck 34 is located on the opposite adjusting arm 33 and corresponds to one side of the tool changing frame 6. In the working process, as the tool changing frame 6 moves along the inclined direction, in order to avoid the interference of the tool changing frame 6 when the manipulator 3 changes tools, the adjusting arm 33 rotates around the rotating shaft 42 by the work of the driving air cylinder 51, so that the adjusting arm 33 avoids the tool changing frame 6; in addition, the driving cylinder 51 can adjust the angle of the adjusting arm 33 according to the position of tool changing, so that the tool chuck 34 on the adjusting arm 33 can conveniently grab a corresponding tool, smooth tool changing is ensured, and the working efficiency is improved.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims (8)

1. An adjustable tool changing mechanism for a machine tool is characterized by comprising a machine tool body, wherein the top of the machine tool body is provided with a horizontally arranged top beam and a manipulator which is arranged on the top beam and used for clamping a tool;

the manipulator comprises a moving seat which is slidably mounted on the top beam, the moving seat moves along the extending direction of the top beam, a connecting arm which extends along the vertical direction is also slidably connected to the moving seat, the lower end of the connecting arm is connected with an adjusting arm, and a cutter chuck is mounted on one side of the adjusting arm;

the connecting arm with be connected with angle adjustment mechanism between the regulating arm and the drive the regulating arm pivoted actuating mechanism.

2. The adjustable tool changing mechanism for the machine tool according to claim 1, wherein the angle adjusting mechanism comprises two fixing plates, the two fixing plates are correspondingly installed on two sides of the lower end of the connecting arm, and a rotating shaft for rotatably connecting the adjusting arm is arranged between the two fixing plates.

3. The adjustable tool changing mechanism for the machine tool according to claim 2, wherein the driving mechanism comprises a driving cylinder, a driving rod and a connecting rod rotatably connected to the driving rod, the driving cylinder is fixed to the connecting arm, one side of the adjusting arm is connected to the fixing plate through the rotating shaft, and the other side of the adjusting arm corresponding to the rotating shaft is connected to the connecting rod.

4. The adjustable tool changing mechanism for the machine tool according to claim 3, wherein two fixing plates are provided with arc grooves corresponding to each other, the connecting rod is further connected with a guide rod crossing the arc grooves, the adjusting arm is fixedly connected with the guide rod, two ends of the guide rod extend to the outside of the arc grooves and move along the arc grooves through the extension and contraction of the driving rod, and the adjusting arm rotates synchronously around the rotating shaft.

5. The adjustable tool changing mechanism for the machine tool as claimed in claim 4, wherein the driving cylinder is provided with a gas pipe joint for externally connecting a gas source.

6. The adjustable tool changing mechanism for the machine tool as claimed in claim 1, wherein a vertical slide rail extending in a vertical direction is provided on an outer side of the connecting arm, and the connecting arm is slidably connected to the movable base through the vertical slide rail.

7. The adjustable tool changing mechanism for machine tools of claim 1, wherein the top beam is provided with a transverse slide rail extending in a horizontal direction, and the movable base is slidably connected to the top beam through the transverse slide rail.

8. The adjustable tool changing mechanism for the machine tool according to claim 1, wherein the machine tool body further comprises an obliquely arranged tool changing frame, the connecting arm is positioned on one side of the tool changing frame and obliquely connected to the connecting arm, and the tool chuck is positioned on the adjusting arm and corresponds to one side of the tool changing frame.

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