JPH0650109Y2 - Equipment for cutting and polishing end faces - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to cutting and end face cutting of a bar material such as a punch head for a punching die and a spring bar for a plastic die for accurate cutting and end face polishing. The present invention relates to a polishing device.

[Conventional technology]

Conventionally, those skilled in the art perform all the work for cutting a bar as described above with a device such as a general sander cutting machine, a saw machine, or a lathe, and after cutting, further cut the end surface of the bar with another polishing machine. The method of polishing to the exact length that requires

[Problems to be solved by the device]

However, with the conventional method, it is difficult to cut the bar material to an accurate length, and it is often necessary to redo the end surface polishing many times due to cutting to a slightly long length or cutting burrs. It happened. Further, since the cutting process and the polishing process are separately performed and the bar material clamped in the cutting process has to be clamped again in the polishing process, there is a problem that the working time becomes long and the productivity is not improved. It was

The present invention has been made in order to solve the above-mentioned problems, in which a bar material is cut into an accurate length so that the end face polishing can be performed accurately and quickly, and the cut bar material can be directly processed. An object of the present invention is to provide a rational bar cutting and end face polishing apparatus capable of polishing the end face in a clamped state.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention provides a bar material clamping device in which an upper part is horizontally clamped and a lower part is rotatably supported about a horizontal axis, and the bar material clamping device. At this time, when the stereotaxic device for receiving the tip of the bar material applied to the bar clamp of the bar clamp device and setting the cutting length thereof, and rotating the bar clamp device in one direction And a bar cutting device for cutting the bar clamped by the bar clamp device, and a support bar provided in the bar clamp device for receiving a waste surplus portion of the bar when the bar is cut. When the bar clamp device is rotated in the other direction, the end face of the bar clamped by the bar clamp device after cutting is ground, while the adjustment screen is rotated to move the end face of the bar. Move the polishing sander axially forward The rod end face polishing device capable of adjusting the set position of the polishing end face and the rod clamp device are provided in the rod clamp device, and the tip of the tip is moved forward by the rotation of the adjusting screw, and the rod is moved. When the rod clamp device is rotated in the direction of polishing the end face of the material, the sharpened portion acts on the polishing end face of the polishing sander in the rod end face polishing device to flatten the polishing end face. The configuration including the device is adopted.

[Action]

In the above configuration, the bar to be cut and polished is first subjected to setting of the cutting length by the stereotactic device during the cutting.
Then, while the bar is clamped by the bar clamp device, the bar clamp device is rotated in one direction, so that the discarding part of the bar is cut by the bar cutting device and dropped. To do. After the cutting, the bar clamp device is rotated in the other direction as it is, so that the cut end face of the bar clamped by the bar clamp device is polished by the bar end face polishing device. afterwards,
The bar clamp device is returned to its original position, where the bar material is removed from the bar clamp device.

Thus, when the rod is cut, the waste surplus portion is supported by the supporting bar and is completely cut before it falls, so that the waste surplus piece is cut off on the cut end surface of the rod. There is no dangling residue or cutting burrs.

Further, in the rod end face polishing apparatus, the adjustment screw is rotated to adjust the position of the polishing end face of the polishing sander in the axial direction, thereby coping with abrasion of the polishing end face,
The polishing end face can always be set at an accurate polishing position. Further, when the polishing end face of the polishing sander becomes rough, the above-mentioned grinding is performed by rotating the rod end face polishing device clamping device with the tip grinding portion appropriately advanced by the adjusting screw of the sander leveling device. It is possible to properly correct the polishing end face to a flat portion.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

The cutting and end surface polishing apparatus of the bar end surface polishing apparatus according to one embodiment of the present invention is roughly classified into a drive unit 2 (Fig. 5) and a bar member arranged in a machine body case 1 (Fig. 1). Cutting device 3
(Fig. 11), rod end surface polishing device 4, rod clamping device 5, sander leveling device 6 (Fig. 10) and stereotactic device 7
(Fig. 14) and so on.

As shown in FIGS. 1 to 5, the airframe case 1 is composed of a case body 10 that forms one rectangular parallelepiped, and the inside of the case body 10 is
As shown in FIG. 11 to FIG. 13, there is provided a slide plate-like slope partition plate 11 for sliding off the discarded excess pieces of the bar material after cutting, and the lower end of the slope partition plate 11 is on the left side of the body case 1. It is connected to the discharge hopper 111 through a notch 121 formed on the wall 12. Also, as shown in FIG. 14, in the body case 1, there are several medial plates 13, 13 ', 13 "and diaphragms 14, 14', 14" having appropriate heights and lengths. The bar cutting device 3 and the bar end face polishing device 4 are mounted on both upper sides of the machine casing 1 by the partition plates. Further, a rod clamp device 5 is arranged between the rod cutting device 3 and the rod end face polishing device 4, and the rod cutting device 3 and the rod are placed in the surplus space on the back side of the large diaphragm plate 14. The transmission element of the drive device 2 used for the material end surface polishing device 4 is arranged.

The upper side of the front side wall 15 of the body case 1 and the upper surface wall 16 (first
In the center of the figure) is a notch with an appropriate shape and size.
151 (Fig. 2) and 161 (Fig. 1) are formed, whereby the rod 8 (Fig. 11) is attached to and detached from the rod clamp device 5, and the cutting sander 30 and the rod of the rod cutting device 3 are attached. The polishing sander 40 of the end surface polishing device 4 can be moved in and out. Thus, one T-shaped slot 171 (Fig. 4) is provided in the right side wall 17 of the machine body case 1, and the operation user is required to perform the work of clamping, releasing and cutting the rod and polishing the end face. An operating lever 54 for performing the operation is extended from the T-shaped slot 171 to the outside of the body case 1. A rear cover 18 (Fig. 1) that can be freely opened and closed is provided on the back surface of the machine body case 1, and it is always open to allow inspection, maintenance and lubrication of each device inside.

As shown in FIG. 5, the driving device 2 is composed of a motor 20, a driving double groove belt wheel 21, driven single groove belt wheels 22 and 23, transmission belts 24 and 25, a belt tension automatic adjusting device 26 and the like. Among them, the motor 20 is located at an appropriate position on the lower side of the left side wall 12 of the body case 1, and is connected to a power source (not shown) by a cord or a plug, and the opening / closing switch 27 of the motor 20 is on the right side of the body case 1. It is provided on the wall 17. The driving double-groove belt wheel 21 is provided on the rotary shaft of the motor 20, and the driven single-groove belt wheels 22 and 23 are respectively parallel to the sander drive shafts of the rod cutting device 3 and the rod end face polishing device 4 (first (Fig. 14) 31 and 41, which are connected to the driving double-groove belt wheel 21 by one transmission belt 24 and 25, respectively. That is, when the motor 20 is driven, the driven single-groove belt wheels 21 drive the driven single-groove belt wheels 22 and 23 via the transmission belts 24 and 25 to drive the rod material cutting device 3 and the rod end face polishing device 4. Are driven simultaneously. The belt tension automatic adjusting device 26 for adjusting the tensions of the both transmission belts 24, 25 is a single L-shaped rod 26 which can be stretched and folded.
One end of 0 is pivotally supported on the bearing pedestal 261 and the other end of the active roller 262 is installed to bridge between the transmission belts 24 and 25.

As shown in FIG. 14 to FIG. 16, the bar cutting device 3 has a thin disk-shaped cutting sander 30 mainly fixed to one end of a sander rotating shaft 31 by a positioning nut 34 and a locking nut 35. There is. The sander drive shaft 31 is erected between the bearings 32 and 33 of the two diaphragms 14 and 14 'that are fixedly installed on the left side of the machine body case 1, and the other end of the sander drive shaft 31 has the above-mentioned single shaft. The groove belt wheel 22 is fixed so that the cutting sander 30 can be rotated by the driving device 2 to cut the bar material 8.

As shown in FIG. 14, the rod end surface polishing device 4 is composed of a bottomed cylindrical polishing sander 40, a sander drive shaft 41, a support cylinder 42, an adjusting screw 43, an adjusting vortex comb 44, a connecting plate 45, and the like. . Among them, the sander drive shaft 41 is rotatably (not axially movable) supported in the bearing tube 42 via two bearings, and the sander drive shaft 41 has one end to which the polishing sander 40 is driven and the other end to drive. The single groove belt foils 23 of the device 2 are fixedly installed so that the rod end face polishing device 4 can be rotated by the drive device 2 to polish the end face of the rod member 8. Thus, the bearing sleeve 42
Is the diaphragm plates 14 and 1 provided on the right side of the body case 1.
It is rotatably supported between 4 ". The adjustment screw 43 has an adjustment volume 44 that rotates by hand at its outer end.
And is rotatably installed between the diaphragm plates 14 and 14 ″ in the body case 1, while one end of the connecting plate 45 is integrally fixed to the bearing tube 42 and the other end of the connecting plate 45 is provided. Is adjusting screen 43
When the adjustment screen 43 is rotated with the adjustment volume 44, the connection plate 4 is connected according to the rotation direction.
5, the bearing tube 42, the sander drive shaft 41, and the polishing sander 40 integrally move forward or backward in the axial direction. Therefore, by adjusting the forward / reverse rotation amount of the adjustment volume 44, the polishing sander is adjusted. Corresponding to abrasion of the polishing end surface of 40, the polishing end surface can always be set at an accurate polishing position, and the cut bar end surface can be accurately polished.

As shown in FIG. 6, the bar clamp device 5 includes a main clamp base 51, a sub-clamp base 52, a horizontal shaft 53, and an operating lever 5.
4, clamp tension spring 55, two sets of fixed screws 57 and nuts 56, and the like. Among them, the main clamp pedestal 51 has a vertically long pedestal body 510 having one through-slot in the center, and one end of the pedestal body 510 has a bar member 8 on one side.
Is provided with a V-groove-shaped bar material nipping port 512 for horizontally fitting, and an extension par 513 for hooking a single clamp tension spring 55 is provided on the lower portion of the pedestal body 510. Further, the sub clamp pedestal 52 has a pinch piece 522 corresponding to the pinch opening 512 of the main clamp pedestal 51 on the upper part of the pedestal body 520, and the clamp tension spring 5 is provided on one side lower part of the pedestal body 520.
A stretching par 523 for hooking 5 is provided. here,
The nipping tool 50 is formed by the nipping port 512 and the nipping piece 522. Thus, the pedestal body 520 of the sub-clamp pedestal 52 is inserted into the central through-slot of the pedestal body 510 of the main clamp pedestal 51, and the pin shaft 59 (FIGS.
(Fig. 3) is swingably supported by the main clamp pedestal 51, and a clamp tension spring is provided between the extension bars 513 and 523.
As 55 is stretched, the sandwiching piece 522 rotates about the pin shaft 59 and is urged toward the sandwiching hole 512, so that the bar member 8 is clamped between the two pieces 522, 512. afterwards,
It has become possible to combine cutting and edge polishing. Horizontal axis 53
Is composed of a shaft body 530 having conical shaft holes 531 at both ends, and is provided with a sandwiching tool 50, a cutting sander 30 and a polishing sander 40.
It is positioned between and (FIG. 11), and the rod 8 is swingably supported in a state where it can be cut and the end face can be ground.
That is, the clip 50 has the horizontal axis 53 as its swing center axis. Therefore, the horizontal shaft 53 is fixed to an appropriate position on the lower side of the main clamp pedestal 51 so as to be parallel to the sandwiching hole 512, and at both ends of the horizontal shaft 53, the conical portions 57a at the tips are conical shaft holes 531.
After being screwed between the large diaphragm plate 14 and the front side wall 15 in the machine body case 1 by one fixing screw 57 rotatably fitted to each other and adjusted to an appropriate degree of tightening, The nut 56 has the locking screw 57 locked (Fig. 14).

Further, the operating member 54 of the bar clamp device 5 has a bar body 540 having a generally horizontal T shape, and its tip is provided on the pedestal body 510 of the main clamp pedestal 51, and the rotary shaft 582 ( (Fig. 11) is pivotally supported by horizontal swing,
The T-shaped slot 171 (FIG. 4) formed in the right side wall 17 of the body case 1 can be horizontally swung about the rotation shaft 582. Thus, the arc slope convex foil 541 is extended or fixed to the front end of the bar body 540, and the pedestal body 520 of the sub-clamp pedestal 52 is provided with one roller 524 or bearing in combination therewith. ing. Then, with your hand, lever 5 at the tail end of the bar body 540
When the holder 42 is rotated from the solid line position in FIG. 14 to the imaginary line position, the arcuate sloped convex foil piece 541 opens the roller 524, and the sub clamp pedestal 52 is interlocked with the pin 524. The gripping piece 522 is opened by rotating around the shaft 59 (FIG. 11), that is, the gripping piece 522 is separated from the gripping hole 512, and the bar member 8 to be cut and end face polished is fixed to the gripping hole 512. It can be fitted.

In addition, the operation bar from the virtual line position in FIG. 14 to the solid line position
When 54 is returned by rotation, the arc-shaped sloped convex foil piece 541 is separated from the roller 524 and returns to the initial standby posture, and by the spring force of the clamp tension spring 55, the nipping piece 522 nips the bar material 8 and the nipping port 5.
It is configured to press on 12. In addition, the operation bar 54
When the lever 542 is shifted upward along the vertical portion of the T-shaped slot 171 at the solid line position (FIG. 12),
When the bar 50 is rotated leftward about the horizontal axis 53 to cut the bar 8 by the cutting sander 30 and the lever 542 is shifted downward (FIG. 13), the clip 50 moves rightward. The end surface of the bar after being rotated and cut is immediately polished by the polishing sander 40.

Also, as shown in FIG. 6, the pedestal body of the main clamp pedestal 51.
510 is provided with a support bar 58 parallel to the side edge of the nipping opening 512, so that when the bar 8 clamped by the nipping tool 50 is cut, the waste surplus portion of the bar 8 is above-mentioned. It is supported from the back by the support bar 58 until it is completely cut, and it is designed to drop on the slope partition 11 only after the cutting is completed, and therefore, the waste surplus piece is attached to the cut surface of the bar material. There is no residue or cutting burrs. Here, the support bar 58 is provided with a nipping port 512 of the main clamp pedestal 51.
The bar supporting port 583 corresponding to the side edge shape of the bar body 580 is formed on the upper part of the bar body 580, and the bar body 580 is kept in the gap between the side surface of the main clamp pedestal 51 and the cutting sander 30. It is placed in parallel with the side of the pedestal. A pin bar 581 is fixed to the lower part of the support bar 58 so as to project laterally, and the pin bar 581 is rotatably supported in a bearing cylinder 518 provided in the valve seat body 510 of the main clamp pedestal 51. And is connected to a single return coil spring (not shown) disposed in the bearing 518, and the supporting bar 58 is constantly urged toward the pin shaft 59 (Fig. 11) side to sandwich it. With the support opening 583 aligned with 512, the pedestal body 510 of the main clamp pedestal 51
By engaging with, the clip 50 and the support bar 58 are integrally driven in the cutting step from FIG. 11 to FIG. 12, and in the end polishing step from FIG. 12 to FIG. The support bar 58 is received by a stopper (not shown) on the side of the machine case 1 so that the 58 does not hit the polishing sander 40.

As shown in FIG. 10, the sander leveling device 6 includes an adjusting bar 60,
It is composed of a polishing bar 61, a compression spring 62, a pointer 63 and the like. Among them, a polishing bar 61 which is parallel to the nipping opening 512 of the nipping tool 50 is formed by forming a receiving plate 612 at the rear end of the bar body 610 and welding a diamond conical end 611 as a grinding part at the tip. . Thus, the polishing bar 61 is axially inserted into the small diameter portion from the large diameter portion side of the shaft hole 517 provided in the upper portion of the pedestal body 510 of the main clamp pedestal 51 in parallel with the nipping opening 512, and The compression spring 62 acting on the peripheral edge of the receiving plate 612 urges it to the rear side. Further, the adjusting bar 60 has a pointed portion at the tip of the thin screw body 601 screwed to the large diameter portion of the shaft hole 517.
A bolium 602 that forms 603 and has a gauge at the rear end.
It is made up of a bar body 600 provided with. Thus, to the apex portion 603, the receiving plate 612 of the polishing bar 61 is applied with the spring force of the compression spring 62, and the diamond pyramid end 611 projects to the polishing sander 40 side end surface of the pedestal body 510, Further, the adjusting volume 602 is exposed on the side opposite to the diamond conical tip 611. That is, in the sander leveling device 6, when the adjusting volume 602 is rotated to the right by hand, the bar body 600 advances in parallel with the sander drive shaft 41 of the polishing sander 40 with a small pitch, and the diamond of the bar body 610. Push out the conical tip 611,
On the contrary, when the adjustment volume 602 is rotated counterclockwise, the bar body 6
As 00 moves to the rear end, the bar body 610, that is, the diamond conical end 611 is also retracted by the spring force of the compression spring 62 in conjunction with this, and accordingly, both the forward and reverse rotations of the adjustment volume 602 are adjusted. By adjusting both of the protrusions of the diamond conical tip 611 in the forward direction, the gripping tool 50 is then rotated about the horizontal axis 53 from the bar-sandwiching position toward the polishing sander 40 side, whereby the cylinder of the polishing sander 40 is rotated. It is possible to flatly polish the polishing end face in the portion. Where the diamond cone 61
Both of the front protruding parts 1 are visually recognized by the pointer 63 fixed to the pedestal body 510 pointing to the gauge index formed on the adjustment volume 602.

As shown in FIG. 1 to FIG. 3 and FIG. 7 to FIG.
The stereotaxic device 7 for cutting the correct length of the
The main clamp pedestal 51 of 50 has a convex pedestal 515 (FIG. 6) on the upper side on one side, and one end of a stereotaxic bar 70 parallel to the pinch 512 is fixed to the convex pedestal 515. Thus, the stereotactic barp is a gauge index 701 that is located on the upper surface side of the bar body 700 and is engraved in the axial direction, a guide groove 703 that is located below the surface and extends in the axial direction, and this guide groove 703. The bar body 700 is formed with a conical concave portion 702 for positioning which is present in the vicinity of at a constant pitch in the axial direction. In addition, a positioning pedestal 71 is axially reciprocally fitted to the outer periphery of the positioning graduation bar 70, and a tip of a guide screw 704 screwed to the positioning pedestal 71 has a guide groove 703 of the positioning graduation bar 70. The rotation of the localization pedestal 71 is prevented and the axial movement of the localization pedestal 71 is only possible by fitting it to.

The localization pedestal 71 has a pointer window hole 711 for the gauge index 701 and upper and lower holder pieces 712 and 713. The upper holder piece 712 receives the end surface of the bar 8 at the tip 708 and also serves as a positioning bar. A micro bar 72 is provided in parallel with the localization vehicle bar 70 in order to make up for the lack of fine adjustment operation of a length which is impossible with that of 70. Further, the lower holder piece 713 has a vertical pin hole 705, and this pin hole 705 has a stereotaxic bar 70 at the upper end.
Locating pin 714 having a conical end 719 that fits into and out of the conical recess 702 of the locating pin 714 is vertically movably inserted, and the locating pin 714.
The lower end of the is indicated by the plug 716 via the compression spring 715. In addition, the lower holder 713 has an L-shaped lever bar 7
17 is pivotally supported by a pin 706, while a spherical portion 707 at the horizontal tip of a lever bar 717 is fitted and hooked into a recessed hole 718 at the side of a localization pin 714. That is, when the vertical arm portion of the lever bar 717 is dug and moved forward, the localization pin 714 pierces the compression spring 715 and descends, and its conical end 719 separates from the conical recess 702 of the localization bar 70. When the positioning pedestal 71 can be axially moved, and after the positioning pedestal 71 is moved, the positioning pin 714 coincides with the conical recess 702 at a predetermined position, and when the lever bar 711 is released, the compression spring 715 By the spring force, the localization pin 714 and the lever bar 717.
Is restored, the conical end 719 of the localization pin 714 fits into the conical recess 702, and the localization pedestal 71 is formed by the conical matching effect of both 719 and 702.
The axial length of the bar, that is, the cutting length of the bar 8 when the bar 8 is applied to the tip 708 of the micro bar 72 is accurately determined and held. Thus, when the localization pedestal 71 is moved in the axial direction, the gauge index 70 for indexing the position at each time (that is, the cutting length of the bar described above).
1 appears in the pointer window hole 711, and the gauge index 701 is visually recognized at the edge of the window hole 711, whereby the positioning pedestal 71 is accurately and promptly aligned, and each gauge index 701 is positioned. Fine adjustment of the interval is performed by manually rotating the adjustment volume 709 of the micro bar 72.

In FIG. 2, 101 is a detachable transparent cover that covers the upper part between the cutting sander 30 and the polishing sander 40, 102, 1
Reference numeral 03 is a spark shelter at the time of cutting and polishing, and reference numeral 104 is a front localization stop of the clip 50. Further, in FIG. 6, reference numerals 516 and 525 denote pedestal side edges, which prevent the excess waste of the rods from falling inside the lower part of the clamp device.

Next, a series of operations of the above configuration will be described.

For example, when the operation bar 54 is placed at the central position (the state shown by the solid line in FIGS. 4 and 14), the operation bar 54 is
Along the T-shaped slot 171 in the figure, the operation bar 54 is shifted to the imaginary line position in FIG. At this time, the roller 524 is pushed by the arc-shaped sloped convex foil 541 shown in FIG. 6, whereby the sandwiching piece 522 of the sandwiching tool 50 rotates around the pin shaft 59 (FIG. 11) and comes out from the sandwiching hole 512. break away. Therefore, the bar member 8 to be cut and ground is put into the nipping port 512, and the bar member 8 is cut.
The tip of the bar 8 is applied to the tip 708 of the micro bar 70 shown in FIG. 9 which has already been set to an accurate length, and the cutting length of the bar 8 is set accurately. It is returned to the center position (solid line state) in the figure. At this time, the arcuate beveled convex foil 541 of FIG. 6 is separated from the roller 524, so that the tension spring 55 is actuated as shown in FIG. It is pressed against 512, and the bar 8 is clamped between both 552 and 512. Next, as shown in FIG. 12, the operation bar 54 is shifted upward along the vertical portion of the T-shaped slot 171 (FIG. 4). As a result, the clip 50 tilts leftward about the horizontal axis 53 and the bar 8 cuts the sander.
Cut by 30. Then, at the time of cutting, the waste surplus portion of the bar member 8 is supported by the support port 583 (FIG. 6) of the support bar 58. Then, as shown in FIG. 13, the operation bar 54 is T
By shifting downward along the vertical portion of the shaped slot 171 (FIG. 4), the gripping tool 50 tilts to the right, and the cut end surface of the bar 8 is polished at both ends of the polishing sander 40. . After this polishing, the operation bar 54 is shifted to the imaginary line position in FIG. 14 via the above-mentioned center position. As a result, the sandwiching piece 522 is separated from the rod member 8 and the rod member 8 is taken out from the sandwiching port 512. In addition, the waste surplus piece produced by cutting the rod 8 falls on the slope partition 11 in the machine case 1 and is discharged to the discharge hopper 111.

[Effect of device]

As described above, in the bar cutting and end-face polishing apparatus of the present invention, the bar to be cut receives the setting of the cutting length by the stereotaxic device at the time of cutting,
After cutting the bar material, the cutting end face is polished while being clamped by the same clamping device as it is, and when the bar material is cut, the support bar supports the waste surplus portion of the bar material,
It is possible to prevent the waste surplus part from being left as a residual piece by being plucked on the cutting surface or causing cutting burrs on the cutting end surface, so that the work time required from the cutting of the bar material to the polishing of the cutting end surface Is greatly shortened, workability is improved, and the cut end face is accurately ground.

Further, in the rod end face polishing apparatus, the polishing end face of the polishing sander can be axially positionally adjusted by the rotation of the adjusting screw. The end surface for use can always be set at an accurate polishing position to perform accurate end surface polishing. Further, when the polishing end surface becomes rough, the clamping device is rotated while the tip grinding portion is advanced by the adjusting screw of the sander leveling device, so that the grinding sander is polished by the grinding portion. The end face can be properly corrected to be flat, which also contributes to accurate end face polishing.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a plan view of the entire apparatus, FIG. 2 is a front view, FIG. 3 is a left side view, FIG. 4 is a right side view, and FIG. Is a rear view with the rear cover of the machine case open, FIG. 6 is a perspective view of the bar clamp device, FIG. 7 is a partial side view of the stereotaxic unit, and FIG. 8A is a partial vertical section of the stereotaxic unit. Fig. 8 (b) is a front view of the window hole for the pointer, Fig. 9 is a partial perspective view of the stereotaxic instrument, Fig. 10 is a partial cross-sectional view of the sander leveling device, and Fig. 11 is a stick. Fig. 12 is a front view showing the rod clamping process, Fig. 12 is a front view showing the rod cutting process, Fig. 13 is a front view showing the rod end polishing process, and Fig. 14 is a plan view showing the internal state of the device. Fig. 15 is a partially cutaway plan view of the bar cutting device, and Fig. 16 is a partial front view of Fig. 15. 3 ... Rod cutting device, 4 ... Rod end face polishing device, 6 ... Sander leveling device, 7 ... Stereotaxic device, 8 ... Rod, 40 ... Abrasive sander, 43 ... Adjustment screw, 5 ... Rod clamping device, 53
… Horizontal axis, 58… Support bar, 512… Bar clip, 601… Adjustment screen, 611… Apical part.

Claims (1)

[Scope of utility model registration request] 1. A bar member is horizontally clamped at the upper part, and
A bar clamp device whose lower part is supported rotatably around a horizontal axis, and when clamping the above bar material, receives and cuts the tip of the bar material that is applied to the bar clamping port of the above bar clamp device. A stereotaxic device for setting the length, a rod cutting device for cutting the rod clamped by the rod clamp when the rod clamp is rotated in one direction, and the rod A support bar, which is provided in the clamp device and receives the waste surplus portion of the bar when the bar is cut, and the bar clamp device after cutting when the bar clamp device is rotated in the other direction. While polishing the end surface of the bar clamped at, while rotating the adjustment screw, the polishing sander on the end surface is advanced in the axial direction,
The rod end face polishing device capable of adjusting the setting position of the polishing end face and the rod clamp device are provided in the rod clamp device. A sander leveling device that, when the rod clamping device is rotated in the end face polishing direction, causes the apex portion to act on the polishing end face of the polishing sander in the rod end face polishing device to flatten the polishing end face. An apparatus for cutting and polishing an end face of a bar, comprising: