JPH0649245B2 - Tip cover of the bar feeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION -Industrial field- The present invention inserts a rod-shaped material into a hollow guide tube, rotatably supports it by a fluid cushion in the guide tube, and transfers it in the axial direction for machining. The present invention relates to a device for supplying a machine, and a cover provided between a tip of the device and a machine tool.

-Prior Art-As a method of loading a rod-shaped material to be supplied to a machine tool into a bar material feeder, there are a method of loading the material from above and a direction of inserting from the tip (machine tool side) of the apparatus. In the rod feeding device that adopts the method of inserting from the above, since it is necessary to move the rod feeding device so that the material and the machine tool do not interfere with each other when inserting the material, the tip of the rod feeding device and the machine tool are There will be a gap between them.

The material loaded in the material supply device is supplied to the machine tool across this gap. Especially, in the bar material supply device having the structure in which the material is supported by the fluid cushion, the centrifugal force due to the rotation of the material accompanying the machining is applied. There is a problem that a fluid such as oil scatters from the gap due to force to the surroundings.

-Problems to be solved by the invention-In order to prevent this, it has been conventionally performed to fix the cover to the casing of the machine tool or the tip of the bar material feeding device. There are drawbacks such that the scattering cannot be completely prevented and the cover must be removed one by one when loading the material into the bar feeding device.

The present invention has been made for the purpose of solving these problems, and it is possible to completely prevent the fluid from scattering from the gap between the bar material supply device and the machine tool and to supply the bar material at the time of material loading. An object of the present invention is to provide a cover having a structure that allows the device to be easily moved.

-Means for Solving Problems- That is, the tip cover of the bar material feeding apparatus of the present invention includes a casing 4 of the machine tool 9 and a tray 4 fixed to an immovable member such as a leg member standing upright from the floor. A fluid discharge pipe 7 is attached to the tray 4 and is composed of a lid 5 that is openably attached to the tray.
Are connected to each other, and the contacting / separating portion 31 formed on the side wall portion of at least one of the tray 4 and the lid 5 is the tip portion 1 of the bar material feeding device 1.
The gable surfaces 32 and 33 of the tray 4 and the lid 5 which are positioned below the lower surface of the frame of a are formed so as to surround the tip end portion 1a of the bar material feeding device, and the other gable surfaces 34 and 35 are machined. It is formed so as to surround the end of the rotary shaft 23 which is located close to the casing 2 of the machine and protrudes from the casing.

-Operation- The cover 3 of the present invention, which is composed of the tray 4 and the lid 5, has a tip portion 1a of the bar material feeding device and a terminal end 2 of the rotary shaft 23 of the machine tool.
Since 3a is completely surrounded, it is possible to completely prevent the fluid from scattering from the gap between the bar material feeding device and the machine tool. That is,
Since the fluid attached to the rod-shaped material 8 is not likely to scatter after it is inserted into the rotary shaft 23 of the machine tool, the tip end 1a of the material supply device to the end 23a of the rotary shaft of the machine tool.
The cover 3 of the present invention, which completely surrounds the above, can catch all the splashed fluid. Cover lid 5
Can be attached to one of the side walls of the saucer 4 by attaching the hinges 30 to the side wall of the saucer 4, and the saucer 4 formed on the opposite side surface thereof.
The contacting / separating portion 31 between the lid 5 and the lid 5 is located below the lower surface of the frame of the tip portion 1a of the rod feeding device. When the lid 5 is opened, the bar material feeder 1 can be freely moved in the horizontal direction without interfering with the tray 4, and the loading operation of the material 8 can be easily performed.

-Example-Next, an illustrated example is described. FIG. 1 is a side view of a cover mounted between a bar feeding device and a lathe, FIG. 2 is a sectional view of a central portion thereof, and FIGS. 3 and 4 are A of FIG.
It is a figure which shows B section. In the figure, 1 is a bar feeding device,
Reference numeral 2 is a main shaft casing of a lathe, 3 is a cover composed of a tray 4 and a lid 5, 6 is a bracket for fixing the cover 3 to the main shaft casing 2, and 7 is a fluid discharge pipe.

As shown in FIG. 2, a guide pipe 11 is provided in the rod supply device 1, and a cushion fluid is supplied to the guide pipe from a fluid source (not shown) through a fluid supply port 12 to guide the guide pipe 1.
The rod-shaped material 8 inserted in 1 is rotatably supported.
A scraper 13 and a guide bush 14 are rotatably mounted on the tip end portion 1a of the rod material feeding device, and a rod-shaped material 8 is fed from a guide tube 11 to a lathe by a transfer device (not shown).
Holding the tip of. Reference numeral 15 is a rotary cylinder on which the scraper 13 and the guide bush 14 are mounted, and 16 is a bearing that axially supports the rotary cylinder 15. Reference numeral 17 denotes a frame of the bar feeding device 1, which frame has a rear point P as shown in FIG.
Is rotatably supported in the horizontal plane about the center, and when the material 8 is inserted into the guide tube 11, the bar material feeding device 1 is rotated around the point P as shown by an imaginary line in FIG. Then, the material 8 is inserted while avoiding the interference with the lathe 9. In FIG. 5, the support base 18, the chuck 20 of the lathe, and the turret tool post 21 on the tip end side of the bar material feeder 1 are schematically shown.

Referring again to FIG. 2, 23 is the main shaft of the lathe, and its rear end 23 projects from the main shaft casing 2. Reference numeral 24 is a guide sleeve for guiding the material 8 to be supplied.
Of the inner diameter corresponding to the diameter of
It is fixed by the sleeve retainer 25.

The tray 4 of the cover 3 is fixed to the spindle casing 2 of the lathe by a bracket 6, and the lid 5 is pivotally attached to the tray 4 by a hinge 30 at the lower end of one side wall as shown in FIGS. ing. Contact / separation part 31 between the saucer 4 and the lid 5
Is located below the lower side of the frame 17 of the bar feeding device, and when the lid 5 is opened as shown by the imaginary line in FIG. 4, the tip 1a of the bar feeding device is indicated by the arrow in FIG. It has a structure that allows it to move freely in any direction. Saucer 4 and lid 5
Extend to cover the tip 1a of the bar feeder and the rear end 23a of the main shaft (see FIG. 2), and the gable surfaces 32 and 33 are formed to be bent so as to surround the tip 1a of the bar feeder.
And gable surfaces 34 and 35 formed to be bent so as to surround the main shaft 23 at positions close to the main shaft casing 2. The gable surfaces 33 and 35 are provided with notches 36 and 37 for preventing the bar material feeding device 1 and the main shaft 23 from interfering with the cover body 5 when the cover body 5 is opened. In addition, both side walls 38 and 39 of the lid 5 and both gable surfaces 33 and 35
Are both side walls 40, 41 and both gable surfaces 32, 3 of the saucer 4.
It is located inside 4 and the fluid flowing down along the inner wall surface of the lid 5 falls into the receiving tray 4.
The fluid discharge pipe 7 is communicated with the saucer 4, and the saucer 4
The cushion fluid that has flowed down is discharged to a fluid tank (not shown) through the discharge pipe.

While the rod-shaped material 8 rotates during the cutting process, at this time, the cushion fluid attached to the material in the gap G between the rod material supply device 1 and the spindle casing 2 of the lathe is scattered by the centrifugal force. The scattered fluid is received by the tray 4 and the lid 5 of the cover. The cover 3 covers the tip end portion 1a of the bar feeding device, and the fluid from the inside of the guide sleeve 24 is scattered from the edge portion 25a of the sleeve retainer 25, and the cover 3 covers the portion, and the cover 3 Since the fluid received by the body 5 flows down to the tray 4, there is no risk of the fluid leaking to the outside. Further, as described above, when the material 8 is supplied to the bar material supplying device 1, it is sufficient to open the lid 5 and swivel the bar material supplying device 1. Therefore, the operation is extremely simple.

-Effects of the Invention-As described above, according to the present invention, it is possible to completely prevent the fluid from scattering from the gap between the bar material feeder and the machine tool, and to load the material into the bar material feeder. There is an effect that the operation is easy.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a side view of a cover mounted between a bar feeding device and a lathe, and FIG.
FIG. 5 is a cross-sectional view of the central part thereof, FIGS. 3 and 4 are cross-sectional views taken along the lines A and B of FIG. 2, and FIG. 5 schematically shows an operation of moving a bar material feeder to load a material. It is a top view. 1: Bar material supply device, 1a: Tip of bar material supply device 2: Main shaft casing, 3: Cover 4: Sauce, 5: Lid body 7: Fluid discharge pipe, 8: Rod-shaped material 9: Lathe (machine tool), 11 : Guide tube 17: Bar material supply device frame 23: Main shaft, 23a: Main shaft rear end 30: Hinges, 31: Contact / separation part 32,33: Bar material supply device side gable surface 34,35: Machine tool side Gable

Claims (1)

[Claims] 1. A receiving plate fixed to an immovable member, and a lid body mounted on the receiving plate so as to be openable and closable. The contacting / separating part is located below the lower surface of the tip of the frame of the bar feeding device, and one gable surface of the tray and the lid is formed so as to surround the tip of the bar feeding device.
The other gable surface is formed near the casing of the machine tool so as to surround the end of the rotary shaft projecting from the casing, and the tip cover of the bar feeding device.