JPH11203823A - Lid spring loading device of magnetic tape cartridge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the assemblability and to reduce the assembling cost by automatically loading a lid spring to a lid spring body section by the loading device which has pushing, rotating and moving functions. SOLUTION: When a lid spring is carried in, a shaft body 3 is lowered, the spring is inserted into a body section 45c of a lid spring 45 and held by a pair of chuck pieces. Then, after leg sections 45a and 45b of the spring 45 are rotated to a prescribed angle by pushing pins 7a and 7b, the body 3, a holding means and the pins 7a and 7b are raised, placed on a carrying palett located at a prescribed position, moved to the top section of a cartridge 33 and lowered. When they reach a prescribed position, the holding of the spring 45 is released, the pins 7a and 7b are lowered, a pushing out guide 9 is lowered by a cylinder 11, the guide 9 is made to reach in the vicinity of the frame of the cartridge 33, the rotation of the leg sections of the pins 7a and 7b is released and the spring 45 is loaded to a pin 33d of the cartridge 33. In a next station, the section 45b is pushed to a lid assembly position and locked.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lid spring mounting device for urging a lid provided in a tape pull-out opening of a magnetic tape cartridge in a closing direction.

[0002]

2. Description of the Related Art Conventionally, as a magnetic tape cartridge used as a recording medium of a computer or the like, a magnetic tape is wound around one magnetic tape reel, and this magnetic tape reel is mounted inside a cartridge case composed of an upper cartridge and a lower cartridge. There is a magnetic tape cartridge which is rotatably housed.

FIG. 6 shows a conventional magnetic tape cartridge 3.
1 shows an example, and the schematic structure thereof will be described. An upper cartridge 33, a lower cartridge 34, a magnetic tape reel 35, a bearing 38, a spring plug 3
9, the reel spring 40 and the like. And
Each of the upper and lower cartridges 33 and 34 is provided with a frame defining a storage portion for the magnetic tape reel 35.

The magnetic tape reel 35 includes an upper reel 3
6 and a lower reel 37. Upper reel 3
The outer peripheral surface of the magnetic tape reel 35 is formed on a gear portion 36b so that the reel locks 50 and 51 appropriately urged by a reel lock spring 42 can rotate and stop the rotation of the magnetic tape reel 35 as a whole. .

A lid 43, one end of which is rotatably mounted on a pin 33d provided in the upper cartridge 33, is twisted in an opening formed in a frame of the upper and lower cartridges for drawing out a magnetic tape (not shown). It is urged in the closing direction by a lid spring 45 formed of a coil spring. When the cartridge is not used, the lid 43
Is prevented from rotating by a lid lock 44 appropriately biased by a lid lock spring 46.

FIG. 7 is an assembly perspective view of parts around the lid 43. As shown in FIG. 7, the lid 43 includes:
The lid lock spring 46 is housed between the inner wall of the recess 43a of the lid 43 and the projection 43b. And
The boss 44 a of the lid lock 44 is a lid lock spring 46.
And the lid lock 44 is inserted into the lid lock spring 46.
The lid lock 44 is appropriately urged by a lid lock spring 46 so that the upper end of the lid lock 44 projects from the hole 43 c of the lid 43. When the upper end of the protruding lid lock 44 engages with the concave portion 34e of the lower cartridge 34 shown in FIG. 6, the lid 13 cannot rotate.

Next, a conventional mounting method of the lid of the magnetic tape cartridge having the above-described configuration will be described with reference to FIGS.
0 will be described. As shown in FIG. 8, first, the lid spring 45 is manually attached to the pin 33d of the upper cartridge 33. Then, as shown in FIG. 9, the lid spring 45 is loosely fitted so that the lid spring 45 comes into contact with the upper surface of the upper cartridge 33, and the lid spring 45 is supported on one leg 45a by the frame 33f. At the same time, the leg 45b is mounted while being bent so that the other leg 45b projects from the end of the frame 33f.

Thereafter, as shown in FIG. 10, the leg 45b of the lid spring 45 protruding from the frame 33f of the upper cartridge 33 is pushed by the pushing pin 18 to the lid engagement position shown by the dotted line and turned. And while maintaining this state,
Immediately, the lid 43 is mounted on the pin 33d, and the leg portion 45b of the lid spring 45 is locked by the concave portion 43a of the lid 43.

[0009]

However, as described above, since the mounting process of the lid spring 45 is performed manually, the assemblability is not improved and the cost is increased. Therefore, an object of the present invention is to provide a lid spring mounting device that can improve the assemblability by achieving automation and thereby reduce the assembling cost.

[0010]

SUMMARY OF THE INVENTION The object of the present invention is to provide an upper and lower cartridge provided with a frame defining a storage portion for a magnetic tape reel, and a magnetic tape wound in the upper and lower cartridges. A magnetic tape reel, a lid provided at an opening formed in the frame body from which the magnetic tape is drawn out, and one end rotatably mounted on a pin provided on the upper cartridge, and mounted on a pin of the upper cartridge A lid spring mounting device for a magnetic tape cartridge, the lid spring comprising a torsion coil spring for urging the lid in a closing direction; a shaft body insertable into a body of the lid spring; and a body of the lid spring. Gripping means capable of gripping the body in a state where the shaft body is inserted into a portion, and a push pin that pushes a pair of legs of the lid spring to rotate by a predetermined angle. An extruding guide which is relatively movable in the axial direction with respect to the shaft body and which pushes out the body of the lid spring after the gripping is released from the shaft body; and the shaft body, the gripping means, the pushing pin and the extrusion guide. The problem is solved by a lid spring mounting device for a magnetic tape cartridge, comprising: a moving unit that reciprocates between a supply part of the lid spring and a mounting part of the lid spring.

According to the lid spring mounting device of the present invention, first, in the lid spring supply section to which the lid spring has been transported, the shaft is inserted into the body of the lid spring. Thereafter, the body of the lid spring is gripped by gripping means, and the pair of legs of the lid spring is rotated to a predetermined angle by a pushing pin. Then, while maintaining the gripping state and the leg rotating state, the shaft body, the gripping means and the pushing pin are raised, and the entire apparatus is stopped at a predetermined position by the moving means. Move to the top of the cartridge pins. Then, when the shaft, the gripping means and the pushing pin descend and reach a predetermined position, the gripping means releases the gripping state of the lid spring. Thereafter, the push pin and the push-out guide are further lowered to reach the vicinity of the frame of the upper cartridge, and then the push pin releases the leg rotating state. And, the lid spring is mounted on the pin of the upper cartridge which is the mounting portion of the lid spring.Therefore, the mounting of the lid spring provided to the magnetic tape cartridge can be automated, so that the assemblability can be improved, Assembly costs can be reduced.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An apparatus for mounting a lid of a magnetic cartridge according to an embodiment of the present invention will be described below with reference to FIGS. The same components as those in the related art will be described by assigning the same reference numerals for simplification. FIG.
FIG. 2 is a schematic side view of the lid spring mounting device 1 according to an embodiment of the present invention, excluding a pushing pin mechanism. FIG. 2 illustrates a gripping mechanism below AA of the lid spring mounting device illustrated in FIG. 1. It is the schematic sectional drawing which removed.

As shown in FIGS. 1 and 2, the lid spring mounting device 1 includes a substantially cylindrical shaft body 3 that can be inserted into a body 45c of a lid spring 45, and the shaft attached to the body 45c of the lid spring 45. Gripping means 5 capable of gripping the body 45c with the body 3 inserted, and a pair of legs 45 of the lid spring 45;
a, 45c, which are pushed by a predetermined angle to rotate by a predetermined angle, and a cylindrical push pin 7a, 7b, which is axially movable relative to the shaft body 3 and which can release the grip of the lid spring 45 after the grip is released. A pushing guide 9 for pushing out the portion 45 c from the shaft 3, a feeding portion of the lid spring 45 and a mounting portion of the lid spring 45, the shaft 3, the gripping means 5, the pushing pins 7 a, 7 b and the pushing guide 9. And a moving means (not shown) for reciprocating between them.

The shaft 3 can be moved up and down in the Z direction by driving means (not shown), and has a hollow end 3a so that it can be inserted into the pin 33d of the upper cartridge 33. The gripping means 5 is composed of a pair of chuck pieces 6a, 6b.
Moves in the X direction, so that the body 45c of the lid spring 45 can be gripped from the side. Here, the chuck piece 6a is formed in a flat plate shape and has a body portion 45 of a lid spring 45.
c, the chuck piece 6b has a rectangular shape in cross section, and makes line contact with the body 45c of the lid spring 45 at two points. The push pins 7a and 7b are attached so as to be rotatable about a C-axis.

Next, a method for mounting a lid spring according to an embodiment of the present invention will be described with reference to FIGS. First,
The lid spring 45 is transported to the lid spring supply unit. Then, in the lid spring supply section, the shaft body 3 is lowered by the driving means, and the body 45 c of the lid spring 45 is moved.
Is inserted into. Next, the trunk portion 45 of the lid spring 45
c is gripped by a pair of chuck pieces 6a and 6b,
As shown by a chain line in FIG.
5a and 45b are rotated to a predetermined angle by the push pins 7a and 7b. Then, as shown in FIG.
The gripping means 5 and the push pins 7a, 7b (not shown) are respectively raised.

Next, while maintaining the gripping state and the leg rotating state, the entire apparatus 1 is arranged as shown in FIG.
The moving means moves to a position above the pins 33d of the upper cartridge 33 mounted and fixed on a transport pallet (not shown) which is stationary and waiting at a predetermined position. Then, the shaft body 3, the gripping means 5, and the pushing pin 7 are driven by driving means.
When a and 7b descend and reach a predetermined position, the chuck pieces 6a and 6b release the gripping state of the lid spring 45. Thereafter, the pushing pins 7a and 7b are lowered, and the pushing guide 9 is moved by the cylinder 11 constituting the driving means.
Descends and moves relative to the shaft body 3 and reaches near the frame 33f of the upper cartridge 33, the push pins 7a and 7b release the leg rotation state and are shown by the dotted line in FIG. As described above, the lid spring 45 is mounted on the pin 33d of the upper cartridge 33. The state at this time is the same as FIG.

Next, with the lid spring 45 mounted on the upper cartridge 33, the transport pallet on which the upper cartridge 33 is mounted and fixed is transported to the next station by the transport belt. After the lock member provided on the transport pallet moves to a predetermined position (locked position) for locking the leg 45b of the lid spring 45,
The leg 45b of the lid spring 45 by a push pin (not shown)
Is pushed to the lid assembling position and pressed by the lock member. Thereafter, the transport pallet is further transported to the next station, and the lid 43 is mounted on the pins 33d of the upper cartridge 33. Therefore, since the mounting of the lid spring provided to the magnetic tape cartridge can be automated, the assemblability can be improved and the assembling cost can be reduced.

The present invention is not limited to the above-described embodiment, but can be appropriately modified and improved based on the gist of the present invention. For example, the shaft body, the gripping means, and the push pin are not limited to the configuration shown in the embodiment, and may have another configuration as long as the above-described predetermined operation can be performed.

[0019]

As described above, according to the lid spring mounting apparatus of the present invention, the shaft body that can be inserted into the body of the lid spring, and the body part with the shaft body inserted into the body of the lid spring. Gripping means that can grip the lid, a push pin that pushes a pair of legs of the lid spring to rotate by a predetermined angle, and the lid that is axially movable relative to the shaft body and that has been released from gripping. An extrusion guide for pushing out the body of the spring from the shaft, and the shaft, the gripping means, the pushing pin, and the extrusion guide are reciprocated between the supply portion of the lid spring and the mounting portion of the lid spring. Since the moving means is provided, the mounting of the lid spring to be supplied to the magnetic tape cartridge can be automated, the assemblability can be improved, and the assembling cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a schematic side view of a lid spring mounting device for a magnetic tape cartridge according to an embodiment of the present invention.

FIG. 2 is a schematic sectional view of a lid spring mounting device of the magnetic tape cartridge according to one embodiment of the present invention.

FIG. 3 is a cross-sectional view illustrating a state in which a pushing pin of the lid spring mounting device of the magnetic tape cartridge according to the embodiment of the present invention is operated.

FIG. 4 shows a method of mounting a lid spring on a magnetic tape cartridge according to an embodiment of the present invention.

FIG. 5 shows a method of mounting a lid spring on a magnetic tape cartridge according to an embodiment of the present invention.

FIG. 6 is an exploded perspective view of the magnetic tape cartridge.

FIG. 7 is a perspective view of a lid of the magnetic tape cartridge.

FIG. 8 shows a conventional method for mounting a lid on a magnetic tape cartridge.

FIG. 9 shows a conventional method for mounting a lid on a magnetic tape cartridge.

FIG. 10 shows a conventional method for mounting a magnetic tape cartridge on a lid.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Spring mounting device 3 Shaft 5 Grasping means 6a, 6b Chuck piece 7a, 7b Pushing pin 9 Extrusion guide 11 Cylinder 31 Magnetic tape cartridge 33 Upper cartridge 33d Pin 34 Lower cartridge 33d Pin 33f Frame 35 Magnetic tape reel 36 Upper reel 37 Lower reel 38 Bearing 39 Spring plug 40 Reel spring 43 Lid 44 Lid lock 45 Lid spring 45a, 45b Leg 45c Body 46 Lid lock spring

Claims (1)

[Claims] An upper and lower cartridge provided with a frame defining a storage portion of the magnetic tape reel; a magnetic tape reel wound in the upper and lower cartridge and wound with a magnetic tape; A lid provided at an opening formed in the frame body and having one end rotatably mounted on a pin provided on the upper cartridge; and a lid mounted on a pin of the upper cartridge and biasing the lid in a closing direction. A lid spring mounting device for a magnetic tape cartridge having a lid spring composed of a torsion coil spring, wherein the shaft body insertable into the body of the lid spring, and the shaft body being inserted into the body of the lid spring. Gripping means capable of gripping the body, a push pin which pushes a pair of legs of the lid spring to rotate by a predetermined angle, and is relatively moved in the axial direction with respect to the shaft body An extrusion guide that pushes out the body of the lid spring from the shaft after the grip is released, and the shaft, the gripping means, the pushing pin, and the extrusion guide are connected to a supply portion of the lid spring and the lid spring. And a moving means for reciprocating between the mounting portion and the mounting portion.