JPS63169254A - Turret machine - Google Patents

Abstract

PURPOSE:To make a turret machine adaptable to a line alteration, by installing a pallet positioning mechanism, an angle indexing mechanism and a clamp mechanism in a work table central part, while forming a work table end in orientation of a pallet rail to be connectable to other identical work tables. CONSTITUTION:On a work table 9, there is provided with a pallet rail 35 for transferring a pallet 34 to clamp a work, and positioning, angle indexing and clamping mechanisms for the pallet 34 are all installed in a central part of the work table 9. In addition, an end of the work table 9 toward the pallet rail 35 is formed to be connctible to the work table 9 of another turret machine. Therefore, the specified turret machine is connected to via the work table 9 whereby an optional line can be constituted according to a machining process or the like without altering a transfer part.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a turret machine that performs milling and the like using a turret head having a spindle.

(Prior technology) As a W1 machine responsible for automation in factories, it is equipped with a turret head in which a large number of spindles are arranged radially on the main shaft of the main body, and is capable of continuously performing various milling processes, drilling processes, etc. There is a turret machine.

In addition, in order to achieve automation, an autolog device and a transformer 7T-1 are used for supplying workpieces to the above machines, transporting workpieces between machines, and positioning them.
equipment etc. are being used.

(Problem to be solved by the invention) However, the conventional turret machine has a transformer 77-
It is manufactured separately from equipment, etc., and in order to achieve automation, it was necessary to manufacture a transfer device etc. to match the turret machine, or a turret machine to match the line of the transfer device etc. .

Therefore, although machining of workpieces by a turret machine is performed well, whenever the machining process or target workpiece changes, it is necessary to change the transformer device, etc., and the versatility for changing the line is limited. There was a problem with missing parts.

(Means for solving the problem α) In order to solve such problems, the present invention includes a column that can be fed on a base in the X, Y, and Z axis directions, and a column that can be moved at a predetermined angle on the column. It is equipped with a turret head that is assembled and has a plurality of spindles in the radial direction, and a work table of a predetermined length fixed on the base in front of the column, and a pallet rail for transferring the barre 7) is arranged on the work table. A pallet positioning mechanism, an angle indexing mechanism, and a clamping mechanism are provided in the center of the worktable, and an end of the worktable in the direction in which the pallet rail is arranged is formed so as to be connectable to another same worktable.

(Function) Therefore, a pallet rail is provided for transporting the pallet that fixes the work on the work table, and a pallet positioning, angle indexing, and clamping mechanism is provided in the center of the work table, and the end of the work table in the direction of the pallet rail is provided. Since the part is formed so that it can be connected to the work table of another turret machine, by connecting a given turret machine via the work table, it is possible to configure an arbitrary line according to the processing process etc. without changing the transfer part. becomes possible.

(Embodiment) Fig. 1 is an overall plan view of one line constructed using turret machines 1 and 2 according to an embodiment of the present invention, and Figs. 2 and 3 are side views of the turret machines 1 and 2, respectively. . However, in FIG. 1, 3 indicates a work supply section, 4 indicates a cleaning section, and 5 indicates a pallet return conveyance section.

The turret machines 1 and 2 each consist of a column 7 installed on a base 6, a turret rack 8 installed on the column 7, and a work table 9 fixed on the base 6 in front of the column 7. In this case, the turret rack 8 of the turret machine 1 is installed horizontally, and the turret head 8 of the turret machine 2 is installed vertically via the saddle 10.

The column 7 is formed to be able to rise and fall freely, and is
X, Y, Z on the base 6 using two servo motors, etc.
Rapid feed and cutting feed in the tsumugi (back and forth, left and right, up and down) directions are possible.

The turret blade 8 is shown in Figs. 4 and 5,
A turret 14 rotatable on the surface of the box 12 via a central axis 13, a ring-shaped meshing joint (curvic coupling) 15 formed on the opposing circumferential surfaces of the box 12 and the turret 14, and a turret 14. A large number of rotating spindles 16 arranged in the rotational radial direction, a clutch plate 17 attached to the rear end of each rotating spindle 16, a clutch body 18 facing the clutch plate 17 at a predetermined position, and a belt 19 that connects the clutch body 18. A main motor 20 that is rotationally driven via a clutch plate 1 that faces a clutch body 18.
7, a spring means 22 for drawing in the central shaft 13 so that the meshing joint 15 meshes with the box 1, and a spring means 22 for pulling the center shaft 13 into the box 1 against the spring means
An arm 23 that is spaced apart from two surfaces, a link (not shown) that rotates the turret 14 by a predetermined angle (60°), and a 7-eighth cam 24 and Pt51 that drive the slider 21.7-m 23 and link, respectively. , second groove cam 25
．． 26, and a motor 2 that rotates these cams simultaneously.
It consists of 7. However, the motor 27 is a step motor, and 28 to 33 are sensors for detecting the index position of the turret 14.

Therefore, when the motor 27 is driven with the rotation of the spindle 16 stopped, the slider 21 is first moved by the seven-eighth cam 24, and the clutch body 18 is separated from the clutch plate 17 of the spindle 16. Next, the first groove cam 2
5 moves the arm 23, and the turret 14 rises above the surface of the box 12. At this time, the turret 14 is rotated by a predetermined angle by the second groove cam 26 via the link. When the position of the turret 14 is determined, the arm 23 returns and the turret 14 is fixed to the surface of the box 12, and the clutch body 18 is connected to the clutch plate 17 of the corresponding spindle 16 by the slider 21, and the position indexing is performed. It is done.

Although the turret head 8 itself does not have a feeding mechanism, for example, a machine 2 in which the turret head 8 is installed vertically
, the turret head 8 is located between the saddle 10 and the
It may be formed so that it can be cut and fed in the spindle direction.

On the other hand, the work table 9 is formed to have a predetermined length larger than the width of the machine in the width direction of the machine, and has two bars approximately the same length as the table 9 for transferring the pallet 34 onto the table 9. ) A rail 35 is provided at the center of the table 9 with a positioning mechanism 81 for the pallet 34, an angle indexing mechanism, and a clamping mechanism.

The pallet rail 35 is connected to the work table 9 via bolts.
It is divided into a fixed rail 36 which is fixed to the table 9, and a turning rail 37 which is fixed to a turning ring which will be described later at the middle arrow part of the table 9.

As shown in FIGS. 6 and 7, the pallet 34 is provided with a T-groove 38 for fixing a workpiece on its upper surface, and a plurality of rail guides 39 that fit into the pallet rails 35 are attached to both sides of its lower surface. In addition, an idle bin 40 is protruded downward from the center of the pallet 34, around which is a gear plate 41 for rotation, and around the outer circumference of which is a ring-shaped meshing joint (
One side of the curvic coupling) 42 is installed.

In addition, 43 is a gutter for cutting chips and 1 cutting oil river.

Positioning the pallet 34 8! The angle indexing mechanism and clamping mechanism are composed of a unit, as shown in Figure 7.
As shown in FIG. 8, a swing ring 44 that fixes the swing rail 37, and a roller 45 that guides the swing ring 44.
, 46, one of the meshing joints 47 corresponding to the meshing joint 42, a central shaft 49 having a clamp head 48 attached to its tip portion that engages with the id pin 40 and the plate 41, and a vertical movement of the central shaft 49. It consists of a cam 50, a rotating cam 51, a drive motor 52 for the cams 50 and 51, and the like.

The swivel ring 44 includes a bushing rod 53 for floating the swivel rail 37 to the initial position (position a where the surfaces of the rails 36 and 37 coincide) by the biasing force of a spring, and a bushing rod 53 for lowering the swivel ring 44 to a predetermined position. A positioning pin 55 that sometimes fits into the hole 54 is provided.

The clamp rod 48 is clamped via the central shaft 49 so that a T-groove-shaped locking portion 56 formed laterally through the pivot rail 37 engages with the idle bin 40 at the initial position of the turning rail 37. When the head 48 is at the uppermost position, a gear portion 57 formed on the outer periphery of the upper surface of the head 48 meshes with the gear plate 41.

On the central shaft 49, rollers 58 that engage with rotating cams (guide cams) 51 are arranged on the outer circumference at equal intervals (for example, 90 degrees), and at the bottom thereof, rollers 58 are provided in a seven-hole shape with one end serving as a rotating fulcrum. arm 59 is connected to the bottle.

The arm 59 is urged upward by a tension spring 60, and a roller 61 in the middle engages with the lifting cam (disc cam) 50.

The rotary cam 51 rotates the center shaft 49 during a short period of one rotation, and the elevating cam 50 rotates the center shaft 49 to the initial position (at the initial position of the rotation rail 37), and the lifting cam 50 rotates the center shaft 49 to the clamp during one rotation.
8 (the position where the door bin 40 engages), the lowermost position (the position shown in FIGS. 7 and 8), and then the uppermost position.

Note that the drive motor 52 is a step motor with a reducer, 62
63 is a sensor for detecting the position of the rotating cam 51, 63 is a sensor for detecting the position of the pallet 34, and 64 is a transmission pulley.

Therefore, when the pallet 34 comes onto the turning rail 37, the idle pin 40 engages with the clamp head 48, and when the motor 52 is driven to a predetermined rotation in this state, first the lifting cam 5
0, the central shaft 49 is lowered via the arm 59, the pallet 34 is lowered together with the swing rail 37 and the swing ring 44, and is clamped via the meshing joints 42 and 47 (as shown!!).

Next, when the motor 52 is rotated, the motor 52 floats to its original position, but when the motor 52 is further driven for a predetermined rotation, the central shaft 49 rises via the arm 59, and the gear 1ls57 of the clamp head 48
meshes with the gear plate 41 of the pallet 34, and at this time, the center shaft 49 is rotated by the rotating cam 51, and the pallet 34
is rotated by a predetermined angle. Then, when the motor 52 is further driven to a predetermined rotation, the center shaft 49 and the pallet 34
is lowered to the position shown, and clamping and angle indexing are performed.

As shown in Figure m2, Figure Pt53, and Figure 9, a positioning pin 65 is fitted to the end of the work table 9 so that another work table can be connected in the direction in which the pallet rail 35 is arranged. A plurality of pin holes 66 and a plurality of bolt holes 67 for connection are provided.

In addition, in FIG. 1, the work tables 9 of the turret machines 1 and 2 are connected by positioning pins and bolts, and the table 68 of the work supply section 3 and the table 69 of the cleaning g4 are connected to each work table 9 via the positioning pins and bolts. It is a concatenation of table 68.6.
The rails 70 and 71 on the work table 9 are arranged so as to be continuous with the pallet rail 35 on the work table 9.

Further, the work supply unit 3 uses a pallet elevator 74 that raises and lowers the pallet 34 together with a slide rail 73 using a screw cam 72, and moves the pallet 34 to the table 68 at the illustrated position where the slide rail 73 and the rail 70 of the table 68 coincide. It consists of an air cylinder 75 that is sent out to the side, and a workpiece is attached to and detached from the pallet 34 at the position shown in the figure.

Pallet 34 sent to table 68 of work supply section 3
The slider 77 engages with a bifurcated protrusion 76 provided on the side surface of the pallet 34, and the screw cam 78 (see FIG. 6) reciprocates the slider 77 via an arm 88.
(See Figure 7) The A position 79 sends it to the center of the work table 9 of the turret machine 1°2. In this case, the slide par 77 is provided with protrusions 80 at three locations to simultaneously transfer the pallet 34 on the table 68 and the two pallets 34 on the work table 9. However, 89 is a bearing of the slide par 77, and the protrusion 80 of the slide par 77 does not engage with the protrusion 76 of the pallet 34 when the pallet 34 is in the position shown in FIG. 7 and when the pallet 34 is in the rotating position. It looks like this.

The cleaning section 4 consists of a cleaning unit 8181 that blows out cleaning liquid and air, which is installed so as to surround the table 69, and an air cylinder 84 that places the pallet 34 on the slide rail 83 of the pallet elevator 82. 83 and sent to the pallet return conveyance section 5.

The pallet return transport section 5 includes a pallet elevator 74.
It consists of a tongue rail 85 disposed between 82 and 70 a chain 86, and as shown in FIG.
to return the pallet 34 to the pallet elevator 74.

Therefore, the pallet 34 on which the workpiece is fixed in the workpiece supply section 3 is first conveyed from the table 68 to the hollow part of the worktable 9 of the turret machine 2 by the transfer device 79, and then moved to a predetermined position by the vertically installed turret head 8. After processing, the material is further transported to the central part of the work table 9 of the connected turret machine 1 by a transfer device 79, where the remaining processing is performed by the horizontally installed turret head 8, and then transported to the cleaning section 3. After being cleaned, the pallet is returned by the pallet elevator 82 and the pallet return transport section 5.

In this way, this embodiment is equipped with a pallet rail 35 for transporting a pallet 34 on the work table 9 of the machine,
A positioning mechanism, an angle indexing mechanism, and a clamping machine end for the pallet 34 are provided in the center of the work table 9, and the end of the work table 9 in the direction of the pallet rail 35 can be connected to other work tables, making it easy to move the line. This allows for automation; for example, if the processing process changes, three or four of these machines can be installed depending on the change.
By connecting with a stand, a predetermined line suitable for processing steps etc. can be constructed. As a result, high versatility with respect to line changes is achieved, and production costs can be significantly reduced.

Note that the machining work by this machine may be performed by numerical control (NC), and the control of a portion of the transformer 7γ is performed in conjunction with the control of the machine, but in this case, the entire line is controlled using a computer, etc. can also be centrally controlled.

Further, although not shown, if the installation angle of the rad 8 to the turret can be changed arbitrarily and the turret spatula '8 is tilted, slope machining, diagonal hole machining, etc. can be performed, and the functionality will be greatly improved.

(Effect of the invention) As described above, according to the present invention, the X on the base.

A column that can be fed in the Y and Z axis directions, a turret head that is assembled on the column at a predetermined angle and has multiple spindles in the radial direction, and a workpiece of a predetermined length that is fixed on the base in front of the column. A pallet rail for transporting pallets is placed on the work table,
Pallet positioning mechanism, angle indexer 61, and clamp 8 in the center of the work table! At the same time, the end of the work table in the direction in which the pallet rails are arranged is formed so that it can be connected to another same work table, so that a predetermined turret machine can be connected via the work table, making it easy to perform machining processes, etc. You can configure an adapted line,
High versatility for line changes can be ensured.

[Brief explanation of the drawing]

1 to 3 are overall plan views showing embodiments of the present invention,
A side view of the turret machine, Figures 4 and 5 are a sectional view of the turret head and its sectional view taken along the line A-A, Figure 6 is a plan view of the pallet, and Figures 7 and 8 are the central part of the work table. 9 is a front view of the turret machine, and FIG. 10 is a partial side view of FIG. 1. 6... Base, 7... Column, 8... Turret head, 9... Work table, 34... Pallet, 35... Pallet rail, 48... Clamp head, 50... Lifting cam, 51... Rotating cam, 65.
...Positioning pin, 66...Pin hole, 67...Bolt hole. Figure 6

Claims (1)

[Claims] A column that can be fed on the base in the X, Y, and Z axis directions,
It is equipped with a turret head that is assembled on a column at a predetermined angle and has a plurality of spindles in the radial direction, and a work table of a predetermined length that is fixed on a base in front of the column, and the pallet is transferred onto the work table. A pallet rail is arranged, and a pallet positioning mechanism, an angle indexing mechanism, and a clamping mechanism are provided in the center of the worktable, while the end of the worktable in the direction in which the pallet rail is arranged can be connected to another same worktable. A turret machine characterized by forming.