JP2508181Y2 - Chuck mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a chuck mechanism, and more particularly to a side-clamp type chuck mechanism applied to handle a rectangular parallelepiped cartridge.

[Conventional technology]

Conventionally, this type of chuck mechanism has been connected to a drive source such as a rotary solenoid, a motor and an air cylinder, and the cartridge driving operation has been performed directly by the power of the drive source.

[Problems to be solved by the device]

The above-mentioned conventional chuck mechanism has a driving source in the chuck mechanism itself, and this driving source also moves together with the chuck mechanism, so that the chuck mechanism itself becomes relatively large and heavy, and wiring for further driving. However, there is a drawback in that the wiring and piping become complicated due to congestion and the cost of the entire mechanism increases.

[Means for solving the problem]

The present invention provides a chuck mechanism for forming a rectangular parallelepiped and transferring a cartridge having concave grooves facing both side surfaces near the end of the first side surface, in the vicinity of the upper surface of the cartridge and A cartridge push for projecting the cartridge is arranged near the center of a plate that is arranged parallel to the upper surface and is movable in parallel along the both side surfaces, and both ends of the plate are arranged in a direction perpendicular to the upper surface of the cartridge. A latch support shaft, a latch pin, and a plate pin are arranged and fixed in opposition to each other, and are engaged with the latch support shaft at a central portion to be rotatable, and a hook support arranged at the front end in parallel with the latch support shaft. If an L-shaped hook that fits with the shaft at the central part and is rotatable, an abutting roller outside the central part and a one-way roller at the rear end are arranged and fixed, and the rear end is latched, A latch that is connected to the plate pin via a hook and is disposed opposite to each other, and a hook pin is provided outside the hook of the latch in parallel with the hook support shaft, and one end of the hook is connected via a hook spring to the hook. The one-way spindle, one-way pin and top pin are arranged and fixed in the vertical direction corresponding to the latch on the top plate which is connected to the latch and is arranged and fixed in parallel and orthogonal to the plate. The one-way support shaft is fitted in the central portion to be rotatable, the front end portion has an L-shaped cross section, and the one-way rollers are provided with a roller guide surface, and the rear end portion is provided with a one-way spring. The one-way guides connected to the top pin via the one-way guides are arranged so as to face each other. It is formed by means of hitting.

〔Example〕

 The present invention will now be described in detail with reference to the drawings.

FIG. 1 is a view showing an embodiment of the present invention, wherein FIG. 1 (a) is a plan view and FIG. 1 (b) is a side view.

 FIG. 2 shows a perspective view of the cartridge.

1 (a), (b) and FIG. 2, the latch 1
Is an L-shaped hook 2 which is fitted in a concave cartridge groove 37 provided on both side surfaces in the vicinity of the rectangular parallelepiped cartridge 26.
A latch support shaft 3 at the center of rotation of the latch 1, an abutment roller 4 for rotating the latch 1 clockwise about the latch support shaft 3, and a one-way roller 5 for keeping the rotation angle of the latch 1 constant. A latch spring 7 that applies a rotational force to the leftward rotation of the latch 1 about the latch support shaft 3 and a latch pin 6 that serves as a rotation stop for the leftward rotation of the latch 1 about the latch support shaft 3 are arranged on the plate 18. ing. The one-way guide 8 is a one-way supporting shaft 9 which is a rotation center of the one-way guide 8, a roller guide surface 10 which is a guide of the one-way rollers 5, and a one-way which applies a clockwise rotation force to the one-way guide 8 around the one-way supporting shaft 9. A spring 12 and a one-way pin 11, which is a one-way guide 8 around the one-way support shaft 9 and serves as a clockwise rotation stop, are arranged on a top plate 22. Further, a hook 2 is attached to the latch 1 so as to be rotatable by a hook support shaft 13, and a hook pin 14 is attached so as to stop rotation in a clockwise direction about the hook support shaft 13. One end of the hook spring 15 penetrates into the hook spring hole 16 of the hook 2 and is connected to the hook 2, and the other end of the hook spring 15 penetrates into and is connected to the spring penetrating portion 17 provided in the latch 1. The hook spring 15 has a structure in which a clockwise rotating force about the hook support shaft 13 is applied to the hook 2. The cartridge push 39 moves the cartridge 26 and is attached to the plate 18. The latch 1 is rotatably attached to the plate 18 by the latch support shaft 3 fixed to the plate 18, and the latch pin 6 is also fixed to the plate 18 as a rotation stopper for the latch 1. Further, one end of the latch spring 7 has a latch spring hole provided in the latch 1.
By penetrating 19 and being connected to the latch 1, and the other end of the latch spring 7 being connected to the plate pin 20 fixed to the plate 18, the latch spring 7 rotates counterclockwise about the latch support shaft 3. Is given to the latch 1. The abutment roller 4 has a structure fixed to the latch 1, and when the abutment roller 4 presses the abutment surface 21, the latch 1 is rotated clockwise around the latch support shaft 3. The one-way roller 5 is also fixed to the latch 1 and slides on the front and back sides of the roller guide surface 10. The one-way guide 8 is rotatably attached by a one-way support shaft 9 fixed to the top plate 22, and the one-way pin 11 is fixed to the top plate 22 as a rotation stopper for the one-way guide 8. Further, one end of the one-way spring 12 has a one-way spring hole provided in the one-way guide 8.
The one-way spring 12 is connected to the one-way guide 8 and the other end of the one-way spring 12 is connected to the top pin 24 fixed to the top plate 22. The one-way guide 8 is provided with a rotational force.

FIG. 3 is a view showing a picker mechanism (take-out mechanism) 27 including a chuck mechanism of the present invention, FIG. 3 (a) is a plan view and FIG. 3 (b) is a front view.

FIG. 4 is a side view showing an embodiment of a system using the picker mechanism of FIG.

The case 25 is a storage for storing a plurality of cartridges 26, and the drive device 41 is for reading / writing information recorded on a recording medium stored in the cartridge 26 and includes the chuck mechanism of the present invention. The picker mechanism 27 has a function of moving the cartridge 26 between the case 25 and the drive device 41. The picker mechanism 27 is attached to the frame 28, a frame 28 that is a frame-shaped skeleton, a linear guide 29 that is attached to the frame 28 and guides the plate 18 in the direction in which the cartridge 26 moves between the case 25 and the drive device 41. It includes a top plate 22 having a one-way guide 8 and a bearing 30 which is a guide for the cartridge 26, a belt 31, a pulley 32 and a motor 33. Further, a driving portion 34 that is attached to the frame 28 and connected to the plate 18 to drive the plate 18, and an abutting surface 21 that is an abutting portion of the abutting roller 4 attached to the frame 28 and fixed to the latch 1. Composed of. Two top plates 22 are provided in parallel with each other in the direction of movement of the cartridge 26, and one-way spindles 9, one-way pins 11 and tops with one-way guides 8 attached to the cartridge grooves 37 at both ends of the cartridge 26 are respectively provided. Pin 24
Are placed vertically facing each other and fixed, while the top plate
Plate 18 placed parallel to and parallel to 22
The latch support shaft 3, the latch pin 6, the plate pin 20, and the cartridge push 39 to which the latch 1 is attached facing each other are vertically fixed. A base plate 35 having a bearing 30 which is a lower guide of the cartridge 26 is attached to the frame 28, and a side plate 36 having a bearing 30 guiding the side surface of the cartridge 26 is also attached to the frame 28, and the top plate 22 and the side plate 36 and The base plate 35 and the cartridge 26 guide the cartridge 26.

5 (a), (b), (c), (d) and (e), the latch 1 moves to approach the cartridge 26 and the case 25
FIG. 9 is a plan view showing the process of the operation of taking out the cartridge 26 stored in FIG.

(A), (b), (c), (d), (e) of FIG.
(F) and (g) are plan views showing a process in which the hook 2 pulls out the cartridge groove 37 while the cartridge push 39 pushes the cartridge 26 out of the picker mechanism 27.

5 and 6, in order to describe the operation of the embodiment of the present invention in detail, only the components necessary for explaining the operation are shown, and the other components are omitted. .

First, the operation in which the latch 1 takes out the cartridge 26 stored in the case 25 will be described. When the latch 1 takes out the cartridge 26, there is no cartridge 26 inside the picker mechanism 27 shown in FIG. 3 (a), and the plate 18 having the latch 1 is connected to the motor 33, the pulley 32, and the drive unit 34. It is driven in the direction of arrow A by the driving force of the belt 31 and the linear guide 29. By driving in the direction of the arrow A, the plate 18 having the latch 1 is brought close to the case 25 for storing the cartridge 26 as shown in FIG. Further, as described above, the latch 1 is rotatably attached to the latch support shaft 3 fixed to the plate 18, and the latch spring 7 which is a tension coil spring is attached to the latch 1 in the direction to rotate the latch 1 to the left. It is attached so that a rotational force acts. The latch pin 6 attached to the plate 18 is a rotation stopper for the latch 1, and the latch 1 cannot rotate counterclockwise from the state shown in FIG. 1 (a). As described above, the latch 1 is stable in the state shown in FIG. 1A unless an external force acts on the latch 1 due to the rotational force of the latch spring 7 and the rotation stop of the latch pin 6.

FIG. 5 (a) is a view showing a state where the latch 1 approaches the cartridge 26 and the one-way guide 8 by driving the plate 18 in the direction of arrow A. In this case, since no external force acts on the latch 1, the latch 1 does not rotate and is stable. The hook 2 is shown in Fig. 1 (a).
As shown in (b), a rotating force acts on the hook 2 in the direction of rotating the hook 2 to the right by the hook spring 15 which is a tension coil spring. The hook pin 14 is attached to the latch 1 and serves as a rotation stopper for the hook 2. Like the latch 1, the hook 2 is stable in the state shown in FIG. 1 (a) as well as the latch 1 due to the rotation force of the hook spring 15 and the rotation stop of the hook pin 14.

FIG. 5 (b) is a diagram showing the state where the latch 1 in the state of FIG. 5 (a) is further driven in the direction of arrow A. FIG. 5B shows a state in which the hook 2 comes into contact with the cartridge 26, and an external force is applied to the hook 26 so that the hook 2 rotates counterclockwise about the hook support shaft 13. Here, since the rotational force of the latch spring 7 of the latch 1 is set to be larger than the rotational force of the hook spring 15 of the hook 2, the latch 1 does not rotate and the fifth
It is stable in the state of FIG. In addition, 4
3 shows a state in which the abutting roller 4 starts to contact the abutting surface 21. Since the one-way rollers 5 do not contact the outer roller guide surface 10, no external force acts on the one-way guide 8, and the one-way guide 8 contacts the one-way pin 11 as shown in FIG. 1 (a). Is stable at.

FIG. 5C is a diagram showing a state in which the operation of taking out the cartridge 26 is further advanced. FIG. 5 (c) is FIG. 5 (b).
When the latch 1 in the state of is further driven in the direction of arrow A, the abutment roller 4 is pressed against the abutment surface 21 which is a fixed surface that does not move, and an external force acts on the latch 1 to cause the latch 1 to latch. Rotate right around the spindle 3.
Therefore, the latch 1 rotates clockwise and the one-way roller 5 comes into contact with the outer roller guide surface of the one-way guide 8 (the lower surface 10 in the figure, and an external force acts on the one-way guide 8 so that the one-way guide 8 is It rotates counterclockwise around the one-way spindle 9.

FIG. 5 (d) is a view showing a state in which the operation of taking out the cartridge 26 is further advanced from the state of FIG. 5 (c). Fifth
FIG. 3D shows a state in which the latch 1 is further driven in the direction of arrow A, and the latch 1 is stopped at a position where the movement direction changes in the direction of arrow B, which is the opposite direction to the direction of arrow A. This state is a state in which the latch 1 is further driven in the direction of arrow A from the state of FIG. 5 (c), the abutting roller 4 is pressed, and the abutting surface 21, which is a fixed surface that does not move, causes the latch 1 to move. The rotation angle is the maximum angle during the take-out operation in the state of FIG. 5 (d). However, even in this state, the contact point between the one-way roller 5 and the outer roller guide surface 10 does not exceed the guide right end portion 38 which is the end portion of the roller guide surface 10. Further, as for the hook 2, the rotation angle of the latch 1 becomes the maximum angle at the time of taking out operation, so that it is released from the restriction by the cartridge 26, and the hook 2 comes into contact with the hook pin 14 as shown in FIG. It is in a state of being.

FIG. 5 (e) is a diagram showing a state in which the operation of taking out the cartridge 26 is further advanced from the state of FIG. 5 (d). Fifth
FIG. 7E shows a state in which the latch 1 which has stopped moving is driven in the direction of arrow B. When the latch 1 moves in the direction of the arrow B, the abutting roller 4 is moved to the abutting surface 21.
The rotation angle of the latch 1 caused by being pressed against is reduced, and the hook 2 eventually enters the cartridge groove 37 of the cartridge 26. When the latch 1 is further moved in the direction of arrow B from the state shown in FIG. 5 (e), the hook 2 comes into contact with the hook pin 14 as shown in FIG. The cartridge 26 is hooked in the cartridge groove 37 provided at the position, and the cartridge 26 is moved into the picker mechanism 27 as shown in FIGS.

The above operation is the operation in which the chuck mechanism of the present invention moves the cartridge 26 stored in the case 25 into the picker mechanism 27 and stores it in the picker mechanism 27.

Next, the operation of the chuck mechanism of the present invention for moving the cartridge 26 stored in the picker mechanism 27 and storing it in the case 25 will be described.

FIG. 6A shows a state in which the cartridge 26 shown in FIGS. 3A and 3B is completely stored in the picker mechanism 27, and then the cartridge 26 is being moved to and stored in the case 25. FIG. In the state of FIG. 6 (a),
The hook 2 is still in the cartridge groove 37 of the cartridge 26.

FIG. 6B is a view showing a state where the cartridge push 39 further pushes the cartridge 26 into the case 25 from the state of FIG. 6A. FIG. 6B shows a state in which the latch 1 and the cartridge push 39 attached to the plate 18 in the state of FIG. 6A are further moved in the arrow A direction. In FIG. 6 (b), the butting roller 4 contacts the butting surface 21, and the latch 1 rotates right about the latch support shaft 3. As the latch 1 rotates, the hook 2 comes out of the cartridge groove 37, and the one-way roller 5 is pressed against the outer roller guide surface 10 to rotate the one-way guide 8 counterclockwise.

FIG. 6 (c) is a view showing a state in which the latch 1 in the state of FIG. 6 (b) is further moved in the direction of arrow A. In FIG. 6C, the cartridge 26 is also moved by the cartridge push 39 in the direction of the arrow A, which is the direction in which the case 25 is installed, like the latch 1. When the latch 1 moves in the direction of the arrow A, the abutting roller 4 is pressed against the abutting surface 21, which is a fixed surface, and the rotation angle of the latch 1 increases more and more. The contact point of reaches the guide right end portion 38 which is the right end of the roller guide surface 10.

FIG. 6 (d) shows a state in which the latch 1 in the state shown in FIG. 6 (c) is further moved in the direction of arrow A and then stopped in the middle of moving to the direction of arrow B opposite to the direction of arrow A. FIG. In FIG. 6 (d), the cartridge push 39 is installed at a position where the cartridge 26 can be stored in the case 25.
Moving in the direction of, the cartridge 26 is completely stored in the case 25. Further, as the latch 1 rotates further in the direction of arrow A, the abutting roller 4 is largely pressed against the abutting surface 21, which is a fixed surface, so that the rotational angle of the latch 1 further increases. , One way roller 5
Passes over the guide right end portion 38 which is the right end of the roller guide surface 10. When the one-way roller 5 crosses the right end portion 38 of the guide, the one-way guide 8 is rotated rightward until it comes into contact with the one-way pin 11 by the rotational force of the one-way spring 12, as shown in FIG.

FIG. 6 (e) is a view showing a state in which the latch 1 and the cartridge push 39 attached to the plate 18 are moved in the arrow B direction from the state of FIG. 6 (d) in which the latch 1 is stopped. In FIG. 6 (e), as the latch 1 moves in the direction of arrow B, the rotation angle of the latch 1 caused by the abutting surface 21 pressing the abutting roller 4 gradually decreases, and the one-way roller 5 moves. One Way Guide 8
The latch 1 rotates counterclockwise until it comes into contact with the inner roller guide surface (upper surface in the figure) 10. The hook 2 does not come into contact with the cartridge 26 at the rotation angle of the latch 1 when the one-way roller 5 comes into contact with the inner roller guide surface 10 in the state of FIG. 6 (e). Further, the cartridge push 39 having the function of pushing out the cartridge 26 only in the arrow A direction is separated from the cartridge 26 by the distance moved in the arrow B direction.

FIG. 6 (f) shows the latch 1 and the cartridge push 39 attached to the plate 18 from the state of FIG. 6 (e).
FIG. 7 is a diagram showing a state in which is further moved in the direction of arrow B. Sixth
In FIG. 1F, when the latch 1 moves in the direction of arrow B, the one-way roller 5 slides on the inner roller guide surface 10, so that the rotation of the latch 1 is limited to the open state. That is, the latch 1 can maintain the rotation angle at which the hook 2 does not contact the cartridge. afterwards,
The one-way roller 5 slides on the inner roller guide surface 10 and reaches the left guide end 40 of the roller guide surface 10.

FIG. 6 (g) shows the latch 1 and the cartridge push 39 attached to the plate 18 from the state of FIG. 6 (f).
FIG. 7 is a diagram showing a state in which is further moved in the direction of arrow B. Sixth
In FIG. 7G, the one-way roller 5 moves beyond the left guide end 40 of the inner roller guide surface 10 and is not restricted by the roller guide surface 10 as the latch 1 moves in the direction of arrow B. Therefore, the latch 1 comes into contact with the latch pin 6 by the rotational force of the latch spring 7 and returns to the original angle (position). The hook 2 is set at a position where it does not contact the cartridge 26 when the latch 1 returns to the original angle.
After that, the latch 1 moves further in the direction of the arrow B, and the case 25
To a standby position for taking out the cartridge 26 stored in.

The above-mentioned operation is performed by the chuck mechanism of the present invention.
This is the operation of moving the cartridge 26 stored inside to the case 25 and storing it.

[Effect of device]

As described in detail above, according to the chuck mechanism of the present invention, a latch attached to a plate that moves,
By installing a one-way guide that keeps the rotation angle of the latch constant, the cartridge handling operation can be performed without using a drive source such as a rotary solenoid, a motor, or an air cylinder. There is an effect that a large chuck mechanism can be realized.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 (a) is a plan view, FIG. 1 (b) is a side view, FIG. 2 is a perspective view of a cartridge, and FIG. FIG. 3 is a view showing a picker mechanism including an embodiment of the drawing, FIG. 3 (a) is a plan view, FIG. 3 (b) is a front view, and FIG. 4 is a system using the picker mechanism shown in FIG. Side view of FIG. 5, (a), (b), (c),
(D) and (e) and FIGS. 6 (a), (b),
(C), (d), (e), (f) and (g) are plan views showing the operating state of the chuck mechanism, respectively. 1 ... Latch, 2 ... Hook, 3 ... Latch spindle, 4 ... Abutting roller, 5 ... One way roller, 6 ... Latch pin, 7 ... Latch spring, 8 ... One way guide, 9 ... One way spindle, 10 ... Roller guide surface , 11 ... One-way pin, 12 ... One-way spring, 13 ... Hook support shaft, 14 ... Hook pin, 15 ... Hook spring, 16 ... Hook spring hole, 17 ... Spring penetration part, 18 ... Plate, 19 ... Latch spring hole, 20 ... Plate pin, 21 ... Abutting surface, 22 ... Top plate, 23 ... One way spring hole, 24 ... Top pin, 25 ... Case, 26 ... Cartridge,
27 ... Picker mechanism, 28 ... Frame, 29 ... Linear guide, 30
… Bearings, 31… Belts, 32… Pulleys, 33… Motors,
34 ... Drive part, 35 ... Base plate, 36 ... Side plate, 37 ... Cartridge groove, 38 ... Guide right end part, 39 ... Cartridge push, 40 ... Guide left end part, 41 ... Drive device.

Claims (1)

(57) [Scope of utility model registration request] 1. A chuck mechanism disposed inside a picker mechanism for transporting a cartridge having a rectangular parallelepiped shape, the cartridge having concave grooves facing both side surfaces near the end of the first side surface, A cartridge push for projecting the cartridge is arranged near the center of a plate that is arranged parallel to the first side surface and is movable in parallel along the both side surfaces of the cartridge, and both ends of the plate of the cartridge are arranged at both ends of the plate. A latch support shaft, a latch pin, and a plate pin are arranged and fixed so as to face each other in a direction perpendicular to the first side face, and the latch support shaft is fitted at a central portion to be rotatable and a front end portion. And a hook support shaft arranged in parallel with the latch support shaft, which is fitted in the central portion and is rotatable.
L-shaped hooks, abutting rollers on the outside of the central part, and one-way rollers arranged and fixed on the rear end, and the rear end connected to the plate pin via a latch spring and positioned opposite to each other; A hook pin was provided on the outside of the hook of the latch in parallel with the hook support shaft, one end of the hook was connected to the latch via a hook spring, and was further arranged and fixed in parallel with the plate. On the top plate, one-way spindles in the vertical direction corresponding to the latches,
A one-way pin and a top pin are arranged and fixed, and are fitted to the one-way support shaft at the central portion to be rotatable and have a L-shaped cross section at the front end, and one of the one-way rollers when the cartridge is taken out. And a roller guide surface for sliding one side forward when the cartridge is inserted and reciprocally sliding the other side after the cartridge is inserted, and the rear end is a one-way spring. A one-way guide connected to a top pin via a pair and arranged opposite to each other; and by moving the plate, a fixed surface of the picker mechanism that does not move abuts against the abutting roller. A chuck mechanism characterized by.