JP6815160B2 - Rotary plastic working equipment, rotary plastic working system and machining roller support unit - Google Patents

Description

The present invention relates to a rotary plastic working apparatus and a rotary plastic working system for performing plastic working by rotating a work, and a machining roller support unit used in the rotary plastic working apparatus.

In such a rotary plastic working apparatus, the workpiece is rotated by the spindle mechanism while being held by the apparatus. Then, a processing roller is pressed against the work, plastic working is performed, and a product is manufactured. For example, in the apparatus of Patent Document 1, the central portion of the disk-shaped metal material is clamped to a jig, and the metal material is rotated with the outer peripheral portion of the metal material protruding from the jig, and the outer peripheral portion is rotated. A molding die (roller) is pressed against the wall to increase the thickness.

Japanese Unexamined Patent Publication No. 09-066330

By the way, in the processing apparatus as described above, the members (molds and the like) for holding the work and the processing rollers are those suitable for the product to be manufactured. Therefore, when changing the product to be manufactured, it is necessary to replace the member holding the work and the processing roller with one suitable for the product to be manufactured thereafter. This so-called setup change work has conventionally required about one hour. This is because the member holding the work and the processing roller are firmly fixed by a large number of bolts, and the work space inside the device is small, so that the workability is poor.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to shorten the time required for setup change of a rotary plastic working apparatus and to increase the operating rate of the apparatus.

The characteristic configuration of the rotary plastic working apparatus for achieving the above object is a machining roller support unit that supports a machining roller pressed against a rotating workpiece, and a roller holding movement that can be moved with the machining roller support unit attached. a mechanism, a rotary plastic working apparatus for chromatic and roller detaching mechanism,
The roller attachment / detachment mechanism is provided between the roller holding / moving mechanism and the processing roller support unit, and the roller is in a state where the insertion portion of the roller holding / moving mechanism is inserted into the hole of the processing roller support unit. The holding and moving mechanism moves the processing roller support unit to attach and detach the roller holding and moving mechanism and the processing roller support unit.

The characteristic configuration of the machining roller support unit for achieving the above object is a machining roller support unit that supports the machining roller pressed against the rotating work, and a roller holding movement that can be moved with the machining roller support unit attached. A machining roller support unit that is attached to and detached from the roller holding and moving mechanism in a rotary plastic working apparatus having a mechanism and a roller attachment / detachment mechanism .
The roller detaching mechanism provided between said working roller supporting unit and the roller holding moving mechanism, the roller holding moving in a state where the insertion portion of the roller holding moving mechanism is inserted into the hole of the processing roller supporting unit The point is that the roller holding and moving mechanism and the processing roller support unit are attached and detached by the movement of the processing roller support unit by the mechanism.

The machining roller support unit of the rotary plastic working apparatus is usually fixed to the roller holding and moving mechanism by using a large number of bolts. Then, in order to attach / detach the processing roller support unit to / from the roller holding / moving mechanism, it is necessary to attach / detach a large number of bolts, which requires a great deal of time. In addition, the internal space of the rotary plastic working apparatus in which the machining roller support unit and the roller holding and moving mechanism should be arranged is designed to be the minimum necessary size in response to the demand for miniaturization of the apparatus. Then, the workability of attaching and detaching the work holding unit becomes even worse. According to the above feature configuration, the roller attachment / detachment mechanism is provided between the roller holding / moving mechanism and the machining roller support unit, and the roller holding / moving mechanism moves the machining roller support unit to move the roller holding / moving mechanism and the machining roller. Since the support unit is attached and detached, it is not necessary to manually attach and detach a large number of bolts, and workability is greatly improved. That is, the time required for the setup change of the rotary plastic working apparatus can be shortened, and the operating rate of the apparatus can be increased.

Another characteristic configuration of the rotary plastic working apparatus according to the present invention is that the roller attachment / detachment mechanism has a clamp plate that is arranged so as to be relatively movable with respect to the processing roller support unit .
When the roller holding and moving mechanism moves the machining roller support unit while the insertion portion of the roller holding and moving mechanism is inserted into the hole of the machining roller support unit, the clamp plate is moved by the machining roller support unit. the working roller supporting unit is in the point that is fixed relative to the roller holding moving mechanism by moving relative to.

According to the above-mentioned feature configuration, the roller attachment / detachment mechanism has a clamp plate, and the processing roller support unit is fixed to the roller holding / moving mechanism by moving the clamp plate relative to the processing roller support unit. The machining roller support unit can be fixed by a simple operation of relative movement, further improving workability. That is, the time required for the setup change of the rotary plastic working apparatus can be shortened, and the operating rate of the apparatus can be increased.

Another characteristic feature of the rotary plastic working device according to the present invention, headed pin is provided as the insertion portion into the roller holding moving mechanism, a through hole as the hole is provided in the front Symbol processing roller supporting unit , The clamp plate is provided with a circular hole and an elongated hole extending from the circular hole.
The headed pin is inserted into the through hole and the circular hole , the shaft portion of the headed pin is moved to the elongated hole, and the head of the headed pin and the clamp plate are fitted. The processing roller support unit is fixed to the roller holding and moving mechanism.

According to the above-mentioned feature configuration, the machining roller support unit can be fixed by a simple operation of fitting the head of the headed pin and the clamp plate, and the workability is further improved. That is, the time required for the setup change of the rotary plastic working apparatus can be shortened, and the operating rate of the apparatus can be increased.

The characteristic configuration of the rotary plastic working system for achieving the above object is the rotary plastic working system having the above-mentioned rotary plastic working apparatus and a mounting table.
The roller holding and moving mechanism is provided with a headed pin as the insertion portion, the processing roller support unit is provided with a through hole as the hole portion, and the clamp plate has a circular hole and an elongated hole extending from the circular hole. Provided,
The mounting table has a unit mounting portion on which the processing roller support unit is mounted and a clamp plate holding portion for holding the clamp plate.
With the clamp plate holding portion holding the clamp plate, the roller holding and moving mechanism inserts the headed pin into the through hole and the circular hole to move the processing roller support unit from the unit mounting portion. The clamp plate is moved relative to the processing roller support unit and from the clamp plate holding portion, and the shaft portion of the headed pin is moved to the elongated hole to move the head portion of the headed pin. The processing roller support unit is fixed to the roller holding and moving mechanism by fitting the clamp plate and the clamp plate .

According to the above feature configuration, with the clamp plate holding portion holding the clamp plate, the roller holding and moving mechanism moves the machining roller support unit from the mounting portion, and the clamp plate is relative to the machining roller support unit. Since it is moved, the machining roller support unit can be fixed by one operation of moving the machining roller support unit and the roller holding / moving mechanism from the mounting portion, and workability is further improved. That is, the time required for the setup change of the rotary plastic working apparatus can be shortened, and the operating rate of the apparatus can be increased.

Front view showing the outline of the rotary plastic working apparatus Top view showing the outline of the rotary plastic working system Schematic cross-sectional view showing a replacement work position and a standby position Front view showing the replacement work position Front view showing the outline of the unit transport trolley Detailed view showing the structure of the unit transport carriage Partial sectional view showing the structure of the work holding unit Sectional sectional view taken along line α in FIG. Sectional view taken along line β in FIG. Γ arrow view of FIG. Delta arrow view of FIG. Explanatory drawing of the fixing operation of the processing roller support unit to the roller holding and moving mechanism Explanatory drawing of the fixing operation of the processing roller support unit to the roller holding and moving mechanism Explanatory drawing of the fixing operation of the processing roller support unit to the roller holding and moving mechanism Explanatory drawing of the fixing operation of the processing roller support unit to the roller holding and moving mechanism Explanatory drawing of the fixing operation of the processing roller support unit to the roller holding and moving mechanism Explanatory drawing of fixing operation of work holding unit to spindle mechanism and mandrel mechanism Explanatory drawing of fixing operation of work holding unit to spindle mechanism and mandrel mechanism Explanatory drawing of spindle attachment / detachment mechanism and screw mechanism Top view showing the shape of the clamp member Explanatory drawing of spindle attachment / detachment mechanism Top view showing the shape of the clamp member Explanatory drawing of spindle attachment / detachment mechanism

(First Embodiment)
<Overview of rotary plastic working system>
Hereinafter, the rotary plastic working system 1 according to the present embodiment will be described with reference to the drawings. In the following, the directions indicated by the arrows UP, arrow DW, arrow FR, arrow BK, arrow LH, and arrow RH in the figure are defined as upward, downward, forward, backward, left, and right, respectively. I will explain.

As shown in FIG. 2, the rotary plastic working system 1 includes a rotary plastic working device 2, a unit transfer carriage 3, and a control unit 4. The rotary plastic working apparatus 2 shown in FIG. 1 is rotated by the spindle mechanism 10 in a state where the work W is held by the work holding unit A, and the working roller 63 supported by the working roller support unit 60 is pressed against the work W. It is a device that performs plastic working on the machine. As shown in FIG. 2, the unit transport carriage 3 is arranged on the front side of the rotary plastic working apparatus 2 to support the work holding unit A and the machining roller support unit 60, and these are inside and outside the rotary plastic working apparatus 2. Move between and. A plurality of unit transfer carriages 3 are arranged on the front side of the rotary plastic working apparatus 2, and the work holding unit A and the machining roller support unit 60 are removed from the rotary plastic working apparatus 2 and attached to the rotary plastic working apparatus 2. Work is done.

<Overview of rotary plastic working equipment>
As shown in FIG. 1, the rotary plastic working apparatus 2 includes a spindle mechanism 10, a tailstock mechanism 20, a spindle side member 30, a tailstock side member 40, a roller holding and moving mechanism 50, and a machining roller support unit 60. .. The work W is sandwiched between the spindle side member 30 and the tailstock side member 40. That is, the work holding unit A includes a spindle side member 30 and a tailstock side member 40.

The work W processed by the rotary plastic working apparatus 2 is a disk or columnar material. As the material of the work W, any material that can be processed by the rotary plastic working apparatus 2 is preferably used, and for example, a material made of stainless steel, an iron alloy, or an aluminum alloy is used.

The spindle side member 30 is attached to the spindle mechanism 10 via the spindle attachment / detachment mechanism B, which will be described later. The pusher side member 40 is attached to the pusher mechanism 20 via the pusher attachment / detachment mechanism C described later. Then, the spindle mechanism 10 is rotated by a motor (not shown), the work holding unit A is rotated together with the heart pushing mechanism 20, and the work W is rotated.

The processing roller support unit 60 is attached to the roller holding / moving mechanism 50 via the roller attachment / detachment mechanism F described later. Then, the roller holding and moving mechanism 50 is moved by an actuator (not shown), and the machining roller 63 supported by the machining roller support unit 60 is pressed against the work W. As described above, the work W is subjected to plastic working. The attachment / detachment of the work holding unit A and the processing roller support unit 60 to / from the rotary plastic working apparatus 2 will be described in detail later.

<Unit transport trolley>
As shown in FIGS. 3 and 4, the unit transport carriage 3 includes an upper carriage 80 and a lower carriage 90. The work holding unit A (spindle side member 30 and tailstock side member 40) and the processing roller support unit 60 are mounted on the upper bogie 80. The upper carriage 80 has wheels 88 on the lower side.

As shown in FIG. 4, the lower carriage 90 has wheels 92 on the lower side, and can move the front side of the rotary plastic working apparatus 2 in the left-right and front-rear directions. The lower carriage 90 has a rail 91 on the upper side. Then, the upper carriage 80 is placed on the upper side of the rail 91 with the wheels 88 of the upper carriage 80 engaged with each other. As a result, the upper carriage 80 can move on the upper side of the rail 91 in the front-rear direction. Then, as shown in FIG. 3, the upper carriage 80 can move from the top of the lower carriage 90 in the rear direction to enter the inside of the rotary plastic working apparatus 2.

As a result, as shown in FIG. 3, the upper carriage 80 of the unit transport carriage 3 uses the work holding unit A at the replacement work position P1 inside the rotary plastic working apparatus 2 and the standby position P3 outside the rotary plastic working apparatus 2. Can be moved to and from. The replacement work position P1 of the work holding unit A is between the spindle mechanism 10 and the tailstock mechanism 20. When the work holding unit A is arranged at the replacement work position P1 by the upper carriage 80 of the unit transport carriage 3, the central axis of the work holding unit A and the rotation axis G of the spindle mechanism 10 coincide with each other.

Further, as shown in FIG. 3, the upper carriage 80 of the unit transport carriage 3 uses the machining roller support unit 60 at a replacement work position P2 inside the rotary plastic working apparatus 2 and a standby position P4 outside the rotary plastic working apparatus 2. Can be moved to and from. As shown in FIG. 2, the replacement work position P2 of the processing roller support unit 60 is located on both sides of the spindle mechanism 10 with the rotation shaft G in between, and is located in the vicinity of the roller holding and moving mechanism 50.

Next, referring to FIGS. 6 to 10, the detailed structure of the spindle side member 30, the mandrel side member 40, the spindle attachment / detachment mechanism B, and the mandrel attachment / detachment mechanism C, and the mounting of the work holding unit A on the unit transport carriage 3. The structure related to is explained.

<Spindle side member, spindle attachment / detachment mechanism>
As shown in FIGS. 6 and 7, the spindle side member 30 is a columnar member and has a concave portion 30a and a flange portion 30b. The upper side of the spindle side member 30 is formed in a shape that matches the work W and the product to be processed. The work W is placed on the upper side of the spindle side member 30 during normal operation in which the product is processed and manufactured, but when the work holding unit A is replaced (setup change), the spindle side member 30 is protected. Therefore, the dummy work V is placed.

As shown in FIG. 7, the concave portion 30a is an upwardly recessed portion formed on the lower surface of the spindle side member 30. The flange portion 30b is a flange-shaped portion formed at the lower end of the spindle side member 30. A fitting hole 30c is formed on the lower surface of the flange portion 30b.

As shown in FIG. 7, the clamp nut 31 is arranged so as to surround the outer circumference of the flange portion 30b. The clamp nut 31 is a cylindrical member with an open lower portion, and the spindle side member 30 penetrates through a through hole on the upper bottom surface. The central axis of the clamp nut 31 coincides with the rotation axis G of the spindle mechanism 10. A female screw 31a is formed inside the clamp nut 31. A disc spring 32 is arranged between the clamp nut 31 and the upper side surface of the flange portion 30b. The disc spring 32 is arranged on the entire outer circumference of the spindle side member 30.

As shown in FIG. 7, a notch portion 31b is formed on the outer periphery of the upper end of the clamp nut 31. The notch portions 31b are formed at three locations on the front side, the right side, and the left side of the clamp nut 31. When the spindle side member 30 is placed on the unit transport carriage 3, the notch portion 31b comes into contact with the step side surface 84b of the lower support plate 84 to suppress the relative rotation of the clamp nut 31 with respect to the lower support plate 84.

Here, as shown in FIG. 7, a clamp member 11 is connected to the upper end of the spindle mechanism 10. The clamp member 11 is a columnar member, and its central axis coincides with the rotation axis G of the spindle mechanism 10. A male screw 11a is formed on the outer circumference of the clamp member 11. The spindle side member 30 is attached to the spindle mechanism 10 by engaging the male screw 11a of the clamp member 11 and the female screw 31a of the clamp nut 31. That is, the spindle attachment / detachment mechanism B is composed of the clamp member 11 and the clamp nut 31. The spindle attachment / detachment mechanism B is provided between the spindle mechanism 10 and the spindle side member 30, and attaches / detaches the spindle mechanism 10 and the spindle side member 30. In the present embodiment, the spindle attachment / detachment mechanism B is a screw mechanism E having a male screw 11a and a female screw 31a. Since the male screw 11a is formed on the outer periphery of the clamp member 11 and the female screw 31a is formed inside the clamp nut 31, the central axes of the male screw 11a and the female screw 31a coincide with the rotation axis G of the spindle mechanism 10. ing.

As shown in FIG. 7, a convex portion 11b and a fitting pin 11c are formed on the upper surface of the clamp member 11. The convex portion 11b is fitted into the concave portion 30a of the spindle side member 30, and the spindle mechanism 10 of the spindle side member 30 is centered. Then, the fitting pin 11c is fitted into the fitting hole 30c of the spindle side member 30, so that the rotation of the spindle mechanism 10 is transmitted to the spindle side member 30.

<Pushing side member, heart pushing attachment / detachment mechanism>
As shown in FIGS. 6 and 7, the tailstock side member 40 is a columnar member and has a concave portion 40a and a flange portion 40b. The lower side of the push-side member 40 is formed in a shape that matches the work W and the product to be processed. The work W comes into contact with the lower side of the push-side member 40 during normal operation in which the product is processed and manufactured, but when the work holding unit A is replaced (setup change), the push-side member 40 is protected. , Contact with the dummy work V placed on the spindle side member 30.

As shown in FIG. 7, the concave portion 40a is a downwardly recessed portion formed on the upper surface of the push-side member 40. The flange portion 40b is a flange-shaped portion formed at the upper end of the push-side member 40. A fitting hole 40c is formed on the upper surface of the flange portion 40b.

As shown in FIG. 7, the clamp nut 41 is arranged so as to surround the outer circumference of the flange portion 40b. The clamp nut 41 is a cylindrical member with an open upper portion, and the push-down side member 40 penetrates through a through hole on the lower bottom surface. The central axis of the clamp nut 41 coincides with the rotation axis G of the spindle mechanism 10 and the tailstock mechanism 20. A female screw 41a is formed inside the clamp nut 41. A disc spring 42 is arranged between the clamp nut 41 and the lower side surface of the flange portion 40b. The disc spring 42 is arranged on the entire outer circumference of the tailstock side member 40.

As shown in FIG. 7, a notch portion 41b is formed on the outer periphery of the lower end of the clamp nut 41. The notch portions 41b are formed at three locations on the front side, the right side, and the left side of the clamp nut 41. When the tailstock side member 40 is placed on the unit transport carriage 3, the notch portion 41b comes into contact with the step side surface 82b of the upper support plate 82 to suppress the relative rotation of the clamp nut 41 with respect to the upper support plate 82.

Here, as shown in FIG. 7, a clamp member 21 is connected to the lower end of the heart pushing mechanism 20. The clamp member 21 is a columnar member, and its central axis coincides with the rotation axis G of the spindle mechanism 10 and the tailstock mechanism 20. A male screw 21a is formed on the outer circumference of the clamp member 21. By engaging the male screw 21a of the clamp member 21 and the female screw 41a of the clamp nut 41, the pusher side member 40 is attached to the pusher mechanism 20. That is, the clamp member 21 and the clamp nut 31 constitute the heart-pushing / detaching mechanism C. The heart pushing attachment / detachment mechanism C is provided between the heart pushing mechanism 20 and the heart pushing side member 40, and attaches / detaches the heart pushing mechanism 20 and the heart pushing side member 40. In the present embodiment, the heart-pushing / detaching mechanism C is a screw mechanism E having a male screw 21a and a female screw 41a. Since the male screw 21a is formed on the outer circumference of the clamp member 21 and the female screw 41a is formed on the inside of the clamp nut 41, the central axes of the male screw 21a and the female screw 41a are the rotations of the spindle mechanism 10 and the tailstock mechanism 20. It coincides with the axis G.

As shown in FIG. 7, a convex portion 21b and a fitting pin 21c are formed on the lower surface of the clamp member 21. The convex portion 21b is fitted into the concave portion 40a of the push-side member 40, and the centering of the push-side member 40 with respect to the push mechanism 20 is performed. Then, the fitting pin 21c is fitted into the fitting hole 40c of the push-side member 40 to transmit the rotation of the push-side member 40 to the heart-push mechanism 20.

When the work holding unit A is attached to and detached from the spindle mechanism 10 and the heart pushing mechanism 20, as shown in FIG. 17, the lower side of the heart pushing mechanism 20 and the upper side of the heart pushing side member 40 are brought into contact with each other to bring the work holding unit A into contact with the spindle side. The lower side of the member 30 and the upper side of the spindle mechanism 10 are brought into contact with each other to rotate the spindle mechanism 10. Then, as shown in FIG. 18, the male screw 11a of the clamp member 11 of the spindle mechanism 10 is tightened to the female screw 31a of the clamp nut 31 of the spindle side member 30. Then, the rotation of the spindle mechanism 10 is transmitted from the spindle side member 30 to the tailstock side member 40 by the frictional force generated above and below the dummy work V. Then, the female screw 41a of the clamp nut 41 of the pusher side member 40 is tightened with respect to the male screw 21a of the clamp member 21 of the pusher mechanism 20 (see FIG. 18). At this time, a rotation suppressing mechanism (not shown) that suppresses the rotation of the heart pushing mechanism 20 may be activated to promote the screwing of the female screw 41a and the male screw 21a.

<Structure related to mounting the work holding unit on the unit transport carriage>
The structure for mounting the work holding unit A on the unit transport carriage 3 will be described with reference to FIGS. 6 to 10.

As shown in FIGS. 6 and 7, the upper carriage 80 of the unit transport carriage 3 includes a mounting platform 81, an upper support plate 82, a middle support plate 83, a lower support plate 84, and a support column 85. Four columns 85 are arranged so as to extend in the vertical direction around the U-shaped hole 81c of the horizontally arranged mounting table 81. The middle support plate 83 is arranged on the upper side of the mounting table 81 while being supported by the support column 85. The upper support plate 82 is arranged on the upper side of the middle support plate 83 while being supported by the support column 85. The spring 86 is arranged between the mounting base 81 and the middle support plate 83, and between the middle support plate 83 and the upper support plate 82. The upper support plate 82 and the middle support plate 83 can move in the vertical direction along the support column 85, and are urged upward by the spring 86. The lower support plate 84 is arranged between the middle support plate 83 and the mounting table 81 in a state of being supported by the middle support plate 83 via a connecting member 87. The connecting member 87 can be expanded and contracted in the vertical direction, and the lower support plate 84 can be moved with respect to the middle support plate 83.

As shown in FIG. 7, the spindle side member 30 is supported by the middle support plate 83. Specifically, the groove formed on the outer peripheral surface of the spindle side member 30 near the center is engaged with the U-shaped hole of the center support plate 83, and the spindle side member 30 is supported by the center support plate 83. ..

As shown in FIG. 7, the clamp nut 31 is located below the lower support plate 84. As shown in FIGS. 7 and 8, the lower support plate 84 has a U-shaped hole, and a step is provided around the hole, so that the step plane 84a parallel to the horizontal plane and the step side surface 84b perpendicular to the horizontal plane are provided. And are formed. Then, as shown in FIGS. 7 and 8, the three notched portions 31b of the clamp nut 31 are in contact with the step side surface 84b of the lower support plate 84. The upper surface of the clamp nut 31 is in contact with the stepped flat surface 82a of the lower support plate 84. In this state, the relative rotation between the clamp nut 31 and the step side surface 84b is suppressed by the contact between the three notched portions 31b of the clamp nut 31 and the step side surface 84b of the lower support plate 84.

As shown in FIG. 7, the tailstock side member 40 is supported by the upper support plate 82. As shown in FIG. 10, the upper support plate 82 has a U-shaped hole, and a step is provided around the hole to form a step plane 82a parallel to the horizontal plane and a step side surface 82b perpendicular to the horizontal plane. Has been done. Then, as shown in FIGS. 7 and 10, the three notched portions 41b of the clamp nut 41 are in contact with the step side surface 82b of the upper support plate 82. As shown in FIG. 7, the lower surface of the clamp nut 41 is in contact with the step plane 82a of the upper support plate 82. In this state, the relative rotation between the clamp nut 41 and the step side surface 82b is suppressed by the contact between the three notched portions 41b of the clamp nut 41 and the step side surface 82b of the upper support plate 82.

Since the upper support plate 82, the middle support plate 83, and the lower support plate 84 can be moved in the vertical direction, the work holding unit A having various dimensions can be mounted on the unit transport carriage 3. Further, when the work holding unit A is attached to the spindle mechanism 10 and the heart pushing mechanism 20, the spindle side member 30 and the heart pushing side member 40 are pushed by the heart pushing mechanism 20 as the heart pushing mechanism 20 is lowered. The lower surface of the spindle side member 30 and the upper surface of the spindle mechanism 10 come into contact with each other (see FIG. 17). Then, when the spindle mechanism 10 is rotated, the male screw 11a of the clamp member 11 of the spindle mechanism 10 is tightened to the female screw 31a of the clamp nut 31 of the spindle side member 30, and the female of the clamp nut 41 of the tailstock side member 40. The screw 41a is tightened with respect to the male screw 21a of the clamp member 21 of the heart pushing mechanism 20 (see FIG. 18).

FIG. 19 shows a state in which the male screw 11a of the clamp member 11 of the spindle mechanism 10 is tightened to the female screw 31a of the clamp nut 31 of the spindle side member 30. By tightening the screw mechanism E (male screw 11a and female screw 31a), the disc spring 32 is compressed, the flange portion 30b is pressed against the clamp member 11, and thus the spindle side member 30 and the spindle mechanism 10 are firmly formed. The bond has been realized.

Next, with reference to FIGS. 11 to 16, the structure of the processing roller support unit 60 and the roller holding / moving mechanism 50 and the structure related to fixing the processing roller support unit 60 to the roller holding / moving mechanism 50 will be described.

<Processing roller support unit>
The processing roller support unit 60 has a support plate 61, a support member 62, and a processing roller 63, as shown in FIGS. 11 and 12. The support plate 61 is a rectangular plate, and four through holes 61a are formed at the four corners. The processing roller 63 is a roller-shaped tool for processing the work W. The processing roller 63 is supported by the support member 62 and attached to the support plate 61 in a posture in which the rotation shaft thereof is parallel to the rotation shaft G of the spindle mechanism 10. A recess 62a is formed on the lower surface of the support member 62. The recess 62a engages with the unit holding pin 81d when the processing roller support unit 60 is mounted on the unit mounting portion 81a of the mounting table 81.

<Roller holding and moving mechanism>
As shown in FIG. 12, the roller holding / moving mechanism 50 has a holding member 51 and a headed pin 52. The holding member 51 is a rectangular plate having substantially the same shape as the support plate 61 of the processing roller support unit 60. The headed pin 52 has a shaft portion 52a, a head portion 52b, and a spring 52c. The head 52b is formed to have a diameter larger than that of the shaft portion 52a, and is attached to the tip of the shaft portion 52a via a spring 52c in a state of being movable along the shaft portion 52a. The four headed pins 52 are arranged at the four corners of the holding member 51 at positions corresponding to the through holes 54c of the support plate 61 of the processing roller support unit 60.

<Clamp plate>
The clamp plate 70 is a rectangular plate-shaped member as shown in FIGS. 11 and 12. The clamp plate 70 is formed with two circular holes 70a, two elongated holes 70b, and a held portion 70c. The circular holes 70a are arranged near the lower end and the center of the clamp plate 70, and the distance between them is equal to the distance between the headed pins 52 of the roller holding and moving mechanism 50, and the diameter thereof is the head 52b of the headed pins 52. It is formed slightly larger than. The elongated holes 70b are formed so as to extend upward from the respective circular holes 70a. The width of the elongated hole 70b is larger than the diameter of the shaft portion 52a of the headed pin 52 and smaller than the diameter of the head portion 52b. As shown in FIG. 12, the clamp plate 70 is formed so that the vicinity of the circular hole 70a is the thinnest and the clamp plate 70 gradually becomes thicker from the circular hole 70a along the elongated hole 70b in the upward direction.

As shown in FIG. 12, the clamp plate 70 is located on the side of the processing roller 63 of the support plate 61 of the processing roller support unit 60 in a state where the processing roller support unit 60 is arranged on the unit mounting portion 81a of the mounting table 81. It is placed in contact with the surface. At this time, the clamp plate 70 is arranged so that the circular hole 70a of the clamp plate 70 and the through hole 61a of the support plate 61 coincide with each other. At this time, the pin of the clamp plate holding portion 81b of the mounting table 81 is inserted into the held portion 70c at the lower end of the clamp plate 70.

<Fixing the processing roller support unit to the roller holding and moving mechanism>
The processing roller support unit 60 is fixed to the roller holding / moving mechanism 50 as follows. The roller holding and moving mechanism 50 is moved by an actuator (not shown) in the vicinity of the processing roller support unit 60 mounted on the mounting table 81 (FIG. 12). Then, the roller holding and moving mechanism 50 is moved to the right, the headed pin 52 is inserted into the through hole 61a and the circular hole 70a, and the head 52b is located on the right side of the clamp plate 70 (FIG. 13).

When the roller holding and moving mechanism 50 is moved upward in this state, the processing roller support unit 60 into which the headed pin 52 is inserted also moves upward. On the other hand, the clamp plate 70 stays in the original position because the pin of the clamp plate holding portion 81b of the mounting table 81 is inserted into the held portion 70c at the lower end (FIG. 14). At this time, the clamp plate 70 moves relative to the processing roller support unit 60 and the roller holding / moving mechanism 50, and the shaft portion 52a of the headed pin 52 moves upward in the elongated hole 70b of the clamp plate 70. It will move. Since the thickness of the clamp plate 70 is large on the upper side, the head 52b of the headed pin 52 is pushed to the right by the right surface of the clamp plate 70. Then, the spring 52c is compressed, and the head 52b is urged to the left. That is, the headed pin 52 is inserted into the through hole 61a, and the head 52b of the headed pin 52 and the clamp plate 70 are fitted so that the machining roller support unit 60 is fixed to the roller holding / moving mechanism 50. (Fig. 15).

Then, when the roller holding / moving mechanism 50 is moved to the left, the held portion 70c of the clamp plate 70 and the pin of the clamp plate holding portion 81b of the mounting table 81 are disengaged (FIG. 16). As described above, the processing roller support unit 60 is fixed to the roller holding / moving mechanism 50.

<Replacement work of work holding unit and processing roller support unit>
Hereinafter, the replacement work (setup change) of the work holding unit A and the machining roller support unit 60 executed by the replacement control unit 4a will be described.

When the production of a certain product is finished, the work holding unit A is prepared to be removed. An empty unit transfer carriage 3 on which the work holding unit A and the processing roller support unit 60 are not mounted is arranged in front of the rotary plastic working apparatus 2, and the upper carriage 80 is allowed to enter the inside of the rotary plastic working apparatus 2. .. Then, the spindle side member 30 and the tailstock side member 40 are supported by the upper support plate 82, the middle support plate 83, and the lower support plate 84 of the upper bogie 80.

The exchange control unit 4a controls the drive motor of the spindle mechanism 10 to rotate the spindle mechanism 10.
The male screw 11a and the female screw 31a are unscrewed, the male screw 21a and the female screw 41a are unscrewed, and the work holding unit A is removed from the spindle mechanism 10 and the tailstock mechanism 20.

The replacement control unit 4a moves the roller holding / moving mechanism 50 to insert the pin of the clamp plate holding portion 81b of the mounting table 81 into the held part 70c at the lower end of the clamp plate 70 (FIG. 14). Next, the exchange control unit 4a moves the roller holding and moving mechanism 50 downward, and mounts the processing roller support unit 60 on the unit mounting portion 81a of the mounting table 81 (FIG. 13). At this time, the clamp plate 70 moves relatively upward with respect to the roller holding and moving mechanism 50 and the processing roller support unit 60, and the head 52b of the headed pin 52 and the clamp plate 70 are released from fitting to be processed. The roller support unit 60 is released from being fixed to the roller holding / moving mechanism 50. Then, the replacement control unit 4a moves the roller holding / moving mechanism 50 to the left, and the removal of the machining roller support unit 60 from the roller holding / moving mechanism 50 is completed (FIG. 12).

Then, the upper carriage 80 of the unit transport carriage 3 is moved forward to move out of the rotary plastic working apparatus 2.

Subsequently, the work holding unit A and the processing roller support unit 60 corresponding to the product to be produced next are placed on the unit transfer carriage 3 and arranged in front of the rotary plastic working apparatus 2. Then, the upper carriage 80 is brought into the inside of the rotary plastic working apparatus 2, the work holding unit A is arranged at the replacement work position P1, and the processing roller support unit 60 is arranged at the replacement work position P2.

The exchange control unit 4a controls the rotary plastic working apparatus 2 to move the heart pushing mechanism 20 downward to bring the lower side of the heart pushing mechanism 20 into contact with the upper side of the heart pushing side member 40, and the spindle side member 30. The lower side and the upper side of the spindle mechanism 10 are brought into contact with each other. Then, the exchange control unit 4a rotates the spindle mechanism 10 (see FIG. 17). Then, the male screw 11a of the clamp member 11 of the spindle mechanism 10 is tightened to the female screw 31a of the clamp nut 31 of the spindle side member 30. Then, the rotation of the spindle mechanism 10 is transmitted from the spindle side member 30 to the tailstock side member 40 by the frictional force generated above and below the dummy work V described above. Then, the female screw 41a of the clamp nut 41 of the pusher side member 40 is tightened with respect to the male screw 21a of the clamp member 21 of the pusher mechanism 20 (see FIG. 18). In this way, the work holding unit A is attached to the spindle mechanism 10 and the tailstock mechanism 20.

Next, the exchange control unit 4a moves the roller holding / moving mechanism 50 and arranges it in the vicinity of the processing roller support unit 60 mounted on the mounting table 81 (FIG. 12). Then, the roller holding and moving mechanism 50 is moved to the right, the headed pin 52 is inserted into the through hole 61a and the circular hole 70a, and the head 52b is positioned on the right side of the clamp plate 70 (FIG. 13). Next, the exchange control unit 4a moves the roller holding / moving mechanism 50 upward to fix the machining roller support unit 60 to the roller holding / moving mechanism 50 (FIG. 14). Then, the replacement control unit 4a moves the processing roller support unit 60 to the left to release the engagement between the held portion 70c of the clamp plate 70 and the pin of the clamp plate holding portion 81b of the mounting table 81.

Then, the upper carriage 80 of the unit transport carriage 3 is moved forward to move out of the rotary plastic working apparatus 2. As described above, the replacement work of the work holding unit A and the processing roller support unit 60 is completed.

(Second Embodiment)
In the following description, the same components as those in the first embodiment are designated by the same reference numerals, and the description may be omitted. In the first embodiment described above, the spindle attachment / detachment mechanism B is composed of a screw mechanism E (male screw 11a and female screw 31a. In the second embodiment, the spindle attachment / detachment mechanism B is formed in the clamp nut 31 in the radial direction. It is configured to have an extending insertion pin 31f and a groove portion 11f formed on the outer periphery of the clamp member 11.

As shown in FIGS. 20 and 21, the clamp member 11 according to the second embodiment has a groove portion 11f and an opening 11g. The groove portion 11f is a groove formed on the outer periphery of the columnar clamp member 11 and extending in a substantially horizontal direction. The opening 11g is a portion formed at one end of the groove portion 11f and opens on the upper side, that is, on the side of the spindle side member 30. The groove portion 11f is formed so as to be inclined downward as it advances in the circumferential direction from the side of the opening 11g. In the present embodiment, four sets of groove portions 11f and openings 11g are formed in the clamp member 11.

The clamp nut 31 according to the second embodiment has an insertion pin 31f as shown in FIG. The insertion pin 31f is a columnar protrusion, which is formed so as to project horizontally from the inner surface of the clamp nut 31. The height of the insertion pin 31f is slightly smaller than the depth of the groove portion 11f of the clamp member 11. In the present embodiment, the four insertion pins 31f are formed at positions inside the clamp nut 31 corresponding to the opening 11g of the clamp member 11.

When the spindle side member 30 descends from above and the clamp nut 31 and the clamp member 11 come into contact with each other, the insertion pin 31f of the clamp nut 31 passes through the opening 11g of the clamp member 11 and the groove portion of the clamp member 11. Enter 11f. Then, when the spindle mechanism 10 rotates, the insertion pin 31f advances to the back of the groove portion 11f. Since the groove portion 11f is inclined downward, that is, is inclined so as to gradually move away from the spindle side member 30, a fastening force is generated between the clamp nut 31 and the clamp member 11 in the vertical direction, which causes the spindle side member. 30 is fixed to the spindle mechanism 10. That is, in the present embodiment, the spindle attachment / detachment mechanism B has an insertion pin 31f formed on the side of the work holding unit A and extending in the radial direction, and a groove portion 11f formed on the outer periphery on the side of the spindle mechanism 10. The work holding unit A is attached to the spindle mechanism 10 by the insertion pin 31f entering the groove portion 11f and the work holding unit A and the spindle mechanism 10 rotating relative to each other. The heart-pushing / detaching mechanism C is also configured in the same manner.

(Third Embodiment)
In the third embodiment, the spindle attachment / detachment mechanism B includes a protruding portion 11k formed on the clamp member 11 that protrudes in the radial direction, and a fitting groove 31k formed on the inner circumference of the clamp nut 31.

The clamp member 11 according to the third embodiment has a protruding portion 11k as shown in FIGS. 22 and 23. The protruding portion 11k is a portion formed on the outer circumference of the columnar clamp member 11 and projecting in a substantially horizontal direction. The lower surface of the protruding portion 11k, that is, the surface far from the spindle side member 30, is formed so as to be inclined downward along the circumferential direction. In this embodiment, four protruding portions 11k are formed on the clamp member 11.

As shown in FIG. 23, the clamp nut 31 according to the third embodiment has a fitting groove 31k and an opening 31m. The fitting groove 31k is a groove formed on the inner surface of the cylindrical clamp nut 31 and extending in a substantially horizontal direction. The opening 31m is a portion formed at one end of the fitting groove 31k and opens to the lower side, that is, to the side of the spindle mechanism 10. The lower surface of the fitting groove 31k, that is, the surface closer to the spindle mechanism 10, is formed so as to be inclined downward along the circumferential direction, similarly to the lower surface of the protruding portion 11k. The depth of the fitting groove 31k is slightly larger than the height of the protruding portion 11k of the clamp member 11. In the present embodiment, four sets of fitting grooves 31k and openings 31m are formed at positions corresponding to the protruding portions 11k of the clamp member 11.

When the spindle side member 30 descends from above and the clamp nut 31 and the clamp member 11 come into contact with each other, the protruding portion 11k of the clamp member 11 passes through the opening 31 m of the clamp nut 31 and the clamp nut 31 is fitted. Enter the groove 31k. Then, when the spindle mechanism 10 rotates, the protruding portion 11k advances to the back of the fitting groove 31k. Since both the lower surface of the protruding portion 11k and the lower surface of the fitting groove 31k are inclined downward, that is, inclined so as to gradually move away from the spindle side member 30, the clamp nut 31 and the clamp member 11 A fastening force is generated in the vertical direction between the two members, whereby the spindle side member 30 is fixed to the spindle mechanism 10. The heart-pushing / detaching mechanism C is also configured in the same manner.

(Other embodiments)
(1) In the above-described embodiment, the movement of the unit transport carriage 3 and the movement of the upper carriage 80 have been described on the assumption that the operator will perform the movement. The unit transport carriage 3 and the upper carriage 80 may be configured to be automatically moved by a motor, an actuator, or the like. For example, the wheels 88 of the upper carriage 80 and the wheels 92 of the lower carriage 90 may be driven by a motor. For example, the rotary plastic working apparatus 2 is provided with an actuator such as a hydraulic cylinder, and the upper trolley 80 is pulled backward from the unit transport trolley 3 stopped on the front side of the rotary plastic working apparatus 2 to move to the inside of the rotary plastic working apparatus 2. Then, the upper carriage 80 may be pushed forward and ejected from the rotary plastic working apparatus 2.

In this case, the replacement control unit 4a can control the above-mentioned motor, actuator, and the like to perform the replacement work (setup change) of the work holding unit A and the processing roller support unit 60 fully automatically. ..

(2) In the above-described embodiment, it has been described assuming that both the work holding unit A and the processing roller support unit 60 are replaced. The rotary plastic working system 1, the rotary plastic working device 2, and the unit transfer carriage 3 are configured and operated so as to replace one of the work holding unit A and the rotary plastic working device 2 according to the device configuration and the type of machining / work. It is also possible.

(3) In the second embodiment described above, the spindle attachment / detachment mechanism B has an insertion pin 31f formed in the clamp nut 31 extending in the radial direction and a groove portion 11f formed on the outer periphery of the clamp member 11. An example of configuration has been described. It is also possible to provide a groove portion in the clamp nut 31 and an insertion pin in the clamp member 11. Further, the number of insertion pins 31f and groove portions 11f can be 2, 3, or 5 or more.

(4) In the third embodiment described above, the spindle attachment / detachment mechanism B has a protruding portion 11k formed on the clamp member 11 and protruding in the radial direction, and a fitting groove 31k formed on the inner circumference of the clamp nut 31. An example of the configuration was explained. It is also possible to provide a fitting groove in the clamp member 11 and a protruding portion in the clamp nut 31. The number of fitting grooves 31k and protruding portions 11k can be 2, 3, or 5 or more.

The configurations disclosed in the above-described embodiments (including other embodiments, the same shall apply hereinafter) can be applied in combination with the configurations disclosed in the other embodiments as long as there is no contradiction. , The embodiments disclosed in the present specification are examples, and the embodiments of the present invention are not limited thereto, and can be appropriately modified without departing from the object of the present invention.

1: Rotational plastic processing system 2: Rotary plastic processing device 3: Unit transfer carriage 4: Control unit 4a: Replacement control unit 10: Main shaft mechanism 11: Clamp member 11a: Male screw 11b: Convex portion 11c: Fitting pin 11f: Groove portion 11g: Opening portion 11k: Protruding portion 20: Heart pushing mechanism 21: Clamp member 21a: Male screw 21b: Convex portion 21c: Fitting pin 30: Main shaft side member 30a: Concave portion 30b: Flange portion 30c: Fitting Hole 31: Clamp nut 31a: Female screw 31b: Notch portion 31f: Insertion pin 31k: Fitting groove 31m: Opening 32: Countersunk spring 40: Enforcement side member 40a: Concave portion 40b: Flange portion 40c: Fitting hole 41 : Clamp nut 41a: Female screw 41b: Notch portion 42: Countersunk spring 50: Roller holding and moving mechanism 51: Holding member 52: Headed pin 52a: Shaft 52b: Head 52c: Spring 54c: Through hole 60: Machining roller Support unit 61: Support plate 61a: Through hole 62: Support member 62a: Recessed portion 63: Processing roller 70: Clamp plate 70a: Circular hole 70b: Long hole 70c: Held portion 80: Upper carriage 81: Mounting base 81a: Unit mounting Placement portion 81b: Clamp plate holding portion 81c: U-shaped hole 81d: Unit holding pin 82: Upper support plate 82a: Step flat surface 82b: Step side surface 83: Middle support plate 84: Lower support plate 84a: Step flat surface 84b: Step side surface 85 : Support 86: Spring 87: Connecting member 88: Wheel 90: Lower carriage 91: Rail 92: Wheel A: Work holding unit B: Main shaft attachment / detachment mechanism C: Heart push attachment / detachment mechanism E: Screw mechanism F: Roller attachment / detachment mechanism G: Rotation Axis P1: Replacement work position P2: Replacement work position P3: Standby position P4: Standby position V: Dummy work W: Work

Claims (5)

A processing roller supporting unit for supporting a machining roller is pressed against the workpiece to be rotated, the roller holding moving mechanism capable of moving in a state where the machining roller supporting unit is mounted, there a rotary plastic working apparatus for chromatic and roller detaching mechanism hand,
The roller attachment / detachment mechanism is provided between the roller holding / moving mechanism and the machining roller support unit, and the roller is in a state where the insertion portion of the roller holding / moving mechanism is inserted into the hole of the machining roller support unit. A rotary plastic working device that attaches and detaches the roller holding and moving mechanism and the processing roller support unit by moving the processing roller support unit by the holding and moving mechanism. The roller attachment / detachment mechanism has a clamp plate that is arranged so as to be relatively movable with respect to the processing roller support unit .
When the roller holding and moving mechanism moves the machining roller support unit while the insertion portion of the roller holding and moving mechanism is inserted into the hole of the machining roller support unit, the clamp plate is moved by the machining roller support unit. The rotary plastic working apparatus according to claim 1, wherein the machining roller support unit is fixed to the roller holding and moving mechanism by moving relative to the roller. Headed pin is provided as the insertion portion into the roller holding moving mechanism, before SL through hole as the hole machining roller supporting unit is provided, the long hole extending from the circular hole and the circular hole in the clamping plate Is provided,
The headed pin is inserted into the through hole and the circular hole , the shaft portion of the headed pin is moved to the elongated hole, and the head of the headed pin and the clamp plate are fitted. The rotary plastic working apparatus according to claim 2, wherein the machining roller support unit is fixed to the roller holding and moving mechanism. A rotary plastic working system having the rotary plastic working apparatus according to claim 2 or 3 and a mounting table.
The roller holding and moving mechanism is provided with a headed pin as the insertion portion, the processing roller support unit is provided with a through hole as the hole portion, and the clamp plate has a circular hole and an elongated hole extending from the circular hole. Provided,
The mounting table has a unit mounting portion on which the processing roller support unit is mounted and a clamp plate holding portion for holding the clamp plate.
With the clamp plate holding portion holding the clamp plate, the roller holding and moving mechanism inserts the headed pin into the through hole and the circular hole to move the processing roller support unit from the unit mounting portion. The clamp plate is moved relative to the processing roller support unit and from the clamp plate holding portion, and the shaft portion of the headed pin is moved to the elongated hole to move the head portion of the headed pin. A rotary plastic processing system in which the processing roller support unit is fixed to the roller holding / moving mechanism by fitting the clamp plate with the clamp plate . A processing roller supporting unit for supporting a machining roller is pressed against the workpiece to be rotated, the roller holding moving mechanism capable of moving in a state where the machining roller supporting unit is mounted, in rotary plastic working device having a roller detaching mechanism, the A processing roller support unit that is attached to and detached from the roller holding and moving mechanism.
The roller detaching mechanism provided between said working roller supporting unit and the roller holding moving mechanism, the roller holding moving in a state where the insertion portion of the roller holding moving mechanism is inserted into the hole of the processing roller supporting unit A machining roller support unit that attaches and detaches the roller holding and moving mechanism and the machining roller support unit by moving the machining roller support unit by a mechanism.

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