JP6612059B2 - Artificial tooth preparation device - Google Patents

Description

  The present invention relates to an artificial tooth production apparatus for producing artificial teeth.

  2. Description of the Related Art Conventionally, an artificial tooth production apparatus that produces artificial teeth by cutting a ceramic material, a resin material, or the like into a desired shape is known.

  Such an artificial tooth production apparatus includes a housing. A processing area is provided in the housing (see, for example, Patent Document 1). In a state where the workpiece is held by the holding portion in this machining area, cutting is performed by a machining tool that is detachably provided on the spindle.

JP2013-121466A

  By the way, although the drive part which moves a holding | maintenance part is provided in the artificial tooth preparation apparatus, it is necessary to test | inspect and maintain the said drive part regularly. Therefore, an artificial tooth preparation device that can be easily inspected and maintained has been desired.

  This invention is made | formed in view of this point, The objective is to provide the artificial tooth preparation apparatus which is easy to perform a test | inspection and a maintenance and whose workability | operativity improves.

  An artificial tooth preparation device according to the present invention is an artificial tooth preparation device that cuts a workpiece to produce an artificial tooth, and is provided in a case having an opening at the front and the front of the case, and opens and closes the opening. A free front cover, a vertical partition wall disposed in the case, partitioning the space behind the opening in the case into a processing area and a storage area, and provided with a notch cut out from the front to the rear A cutting unit that is disposed above the workpiece in the machining area, cuts the workpiece, a holding unit that holds the workpiece, a first drive unit that moves the holding unit at least in a straight line, and a holding unit; The second drive unit that rotates around the axis in the direction, and the connecting unit that connects the holding unit and the first drive unit and connects the holding unit and the second drive unit are integrated into the case. And a detachable unit device. Is inserted into the notch, a part of the connecting part is arranged in the processing area, the other part of the connecting part is arranged in the accommodation area, the holding part is arranged in the processing area, the first drive unit and the first The unit device is mounted in the case in a state where the two drive units are arranged in the accommodation area.

  In the artificial tooth production apparatus according to the present invention, the unit device can be taken out from the case through the opening of the case with the front cover opened. Accordingly, it is not necessary to inspect and maintain the unit device while the unit device is in the case, and the unit device can be taken out from the case and inspected outside the case. That is, when carrying out inspections of the holding unit, the first drive unit, and the second drive unit, these can be collected as a unit device and taken out from the case at once. With such a configuration, the operator can easily inspect the unit device and the like. Therefore, the workability of the worker is significantly improved.

  According to a preferred aspect of the present invention, the first drive unit is configured to move the holding unit in the front-rear direction.

  According to the said aspect, a connection part can be moved along the notch part formed in the front-back direction.

  According to another preferable aspect of the present invention, the case includes a first base portion that is disposed below the holding portion in the processing area and is inclined downward from the front to the rear.

  According to the said aspect, it becomes easy to collect the chip which arises when cutting a workpiece to the back of a 1st base part. Thereby, dust collection property improves.

  According to another preferable aspect of the present invention, the case includes a second base portion on which the unit device is placed in the accommodation area and inclined downward from the front to the rear.

  According to the above aspect, the unit device can be slid from the front toward the rear on the second base portion. Thereby, it becomes easy to arrange the unit device.

  According to another preferable aspect of the present invention, the unit device includes a lower surface portion that extends in the front-rear direction and supports the first drive unit and the second drive unit, and has a long groove extending in the front-rear direction on the lower surface portion of the unit device. A guide rail having a convex cross section formed in the second base portion and extending in the front-rear direction is formed, and the long groove and the guide rail are engaged with each other.

  According to the said aspect, when accommodating a unit apparatus in a case, a guide rail can be slid along a long groove. This facilitates positioning of the unit device within the case. That is, the holding unit can be easily positioned in the processing area, and the first driving unit and the second driving unit can be easily positioned in the accommodation area.

  According to another preferable aspect of the present invention, the unit device includes a rear surface portion vertically connected to the lower surface portion at the rear portion of the lower surface portion, and a protruding portion protruding upward at the rear portion of the guide rail is formed. The first drive unit and the second drive unit of the unit device are arranged in the accommodation area in a state where the rear surface portion is in contact with the protruding portion.

  According to the said aspect, after sliding a guide rail along a long groove, the rear surface part of a unit apparatus can be made to contact a protrusion part. Thereby, positioning in the accommodation area of the 1st drive part of a unit device and the 2nd drive part, and positioning in a processing area of a holding part of a unit device can be performed easily.

  According to another preferable aspect of the present invention, the unit device includes a side surface portion that is vertically connected to the lower surface portion, and the side surface portion is formed with a hole portion that extends in the front-rear direction and through which the connection portion is inserted. A bellows-like partition plate is provided, and the partition plate is disposed to face the notch portion in a state where the first drive unit and the second drive unit of the unit device are disposed in the accommodation area.

  According to the said aspect, it can prevent that the chip of a process area penetrate | invades into an accommodation area via a notch part, making a bellows-like partition plate follow and change the movement of a connection part. Thereby, it is possible to prevent chips from entering the first drive unit and the second drive unit arranged in the accommodation area.

  According to the present invention, it is possible to provide an artificial tooth manufacturing apparatus that facilitates inspection and maintenance and improves workability.

It is a perspective view which shows the artificial tooth production apparatus which concerns on one Embodiment of this invention. It is a perspective view which shows the artificial tooth preparation apparatus of the state which opened the front cover of FIG. It is a perspective view showing the state where a part of member of the artificial tooth preparation device concerning one embodiment of the present invention was removed. It is the IV-IV sectional view taken on the line of FIG. It is a perspective view which shows the unit apparatus which concerns on one Embodiment of this invention. It is a side view which shows the unit apparatus which concerns on one Embodiment of this invention. It is a figure for demonstrating the procedure which accommodates the unit apparatus which concerns on one Embodiment of this invention in an accommodation area. It is a partial cross section figure for demonstrating positioning of the unit apparatus which concerns on one Embodiment of this invention.

  Hereinafter, an artificial tooth production apparatus according to an embodiment of the present invention will be described. As shown in FIG. 1, the axes orthogonal to each other are the X axis, the Y axis, and the Z axis, and the artificial tooth preparation device 1 according to the present embodiment is placed on a plane constituted by the X axis and the Y axis. And Hereinafter, the left side and the right side are the left side and the right side when the artificial tooth preparation device 1 is viewed toward the front cover 7 of FIG. 1. Moreover, when the artificial tooth preparation apparatus 1 is viewed toward the front cover 7 in FIG. 1, the direction approaching the artificial tooth preparation apparatus 1 is the rear and the direction away from the artificial tooth preparation apparatus 1 is the front. In the figure, the left side is L, the right side is R, the front is F, the rear is Re, the upper is U, and the lower is D. However, these are only directions for convenience of explanation, and do not limit the installation mode of the artificial tooth preparation device 1 at all.

  As shown in FIG. 1, the artificial tooth production apparatus 1 of this embodiment is formed in a box shape. Specifically, the artificial tooth preparation device 1 includes a case 10 having a first base portion 2a, a second base portion 2b (see FIG. 8), a left outer wall portion 3, a right outer wall portion 4, a top surface portion 5 and a rear surface portion 6. A front cover 7 is provided. The second base portion 2b is provided on the right side of the first base portion 2a. The front of the case 10 is opened. The left outer wall portion 3 extends upward at the left end of the first base portion 2a. The right outer wall portion 4 extends upward at the right end of the second base portion 2b. The rear surface portion 6 extends upward at the rear end of the first base portion 2a and the rear end of the second base portion 2b. The rear surface portion 6 is connected to the rear end of the left outer wall portion 3 and the rear end of the right outer wall portion 4. The top surface portion 5 is connected to the upper end of the left outer wall portion 3, the upper end of the right outer wall portion 4, and the upper end of the rear surface portion 6. A box-shaped intake portion 9 is provided between the front end of the top surface portion 5 and the front cover 7. On the upper surface 9a of the intake portion 9, a mesh-like intake port 9b extending in the left-right direction is provided. On the lower surface 9c (see FIG. 2) of the intake portion 9, a mesh-like intake port 9d (see FIG. 2) extending in the left-right direction is provided. An internal space 8 is formed by the first base portion 2a, the second base portion 2b, the left outer wall portion 3, the right outer wall portion 4, the top surface portion 5, and the rear surface portion 6. The front cover 7 slides in the vertical direction at the front end of the left outer wall portion 3 and the front end of the right outer wall portion 4.

  As shown in FIG. 2, when the front cover 7 slides upward, the internal space 8 communicates with the external space. The front cover 7 is provided with a window portion 7a. An operator can visually recognize the internal space 8 from the window portion 7a. A dust collection tube 11 (see FIG. 4) connected to a dust collector (not shown) provided outside the artificial tooth preparation device 1 is connected to the rear surface portion 6 of the case 10. By the suction operation of the dust collector, the air outside the artificial tooth preparation device 1 is introduced into the internal space 8 through the air inlet 9b and is guided to the dust collector through the dust collecting tube 11. ing. As shown in FIG. 1, when the front cover 7 is in a closed state, that is, when the internal space 8 does not communicate with the external space, the upper surface 9a of the air intake portion 9 is substantially flush with the top surface portion 5. The intake portion 9 is disposed in the internal space 8 of the case 10. A front lower end (not shown) on both sides of the air intake portion 9 is connected to the front cover 7, and a rear lower end (not shown) on the left side of the air intake portion 9 is rotatably connected to the left inner wall portion 15 (see FIG. 3). A rear lower end (not shown) on the right side of 9 is rotatably connected to the right inner wall portion 16 (see FIG. 3). With such a configuration, when the front cover 7 is slid upward, the front lower end on both sides of the air intake portion 9 moves upward, and the air intake portion 9 rotates backward with the rear lower end as a rotation center. To do. Therefore, the intake portion 9 is raised upward. The direction of the air inlet 9b of the air intake portion 9 is changed from the upper side to the rear side.

  FIG. 3 shows the artificial tooth preparation device 1 in a state in which the left outer wall portion 3, the right outer wall portion 4, the top surface portion 5, the front cover 7, and the upper surface 9 a of the air intake portion 9 of FIG. 1 are removed. As shown in FIG. 3, a partition wall 12 is provided in the internal space 8 of the artificial tooth preparation device 1 vertically in the left-right direction. By the partition wall 12, the internal space 8 is divided into a processing area 13 and a storage area 14. The partition wall 12 is formed with a notch 12a at a substantially central height position. The notch 12 a is cut out in a rectangular shape from the front to the rear of the partition wall 12. The processing area 13 and the accommodation area 14 are communicated with each other by the notch 12a. The processing area 13 is wider than the accommodation area 14. In the processing area 13, cutting is performed on the workpiece 24 (see FIG. 4), which is a material for artificial teeth. Part of the unit device 30 (see FIG. 5) is accommodated in the accommodation area 14. After the part of the unit device 30 is accommodated in the accommodating area 14, as shown in FIG. 2, the accommodating area 14 becomes a closed area by assembling a detachable cover 14a. Details of the unit device 30 will be described later.

  As shown in FIG. 3, a left inner wall portion 15 is provided on the right side of the left outer wall portion 3 (see FIG. 1). A right inner wall portion 16 is provided on the left side of the right outer wall portion 4 (see FIG. 1). As shown in FIG. 4, the first base portion 2a is formed to be inclined downward from the front to the rear. The rear surface portion 6 and the front cover 7 are disposed perpendicular to the first base portion 2a. Below the first base portion 2a, a horizontally formed lower surface portion 17 is provided. The front end of the first base portion 2 a and the front end of the lower surface portion 17 are connected to each other by a connecting portion 18 provided substantially flush with the front cover 7. A rear wall portion 19 arranged vertically is provided at the rear portion of the lower surface portion 17. The upper end of the rear wall portion 19 is connected to the top surface portion 5. The upper end of the rear surface portion 6 is connected to the rear wall portion 19. A support wall portion 20 that extends forward substantially parallel to the first base portion 2 a is connected to the upper portion of the rear surface portion 6. The support wall portion 20 is formed with a front end portion 20a that extends substantially vertically upward. A cover 21 is provided between the front end portion 20 a and the top surface portion 5. In such a configuration, a closed area storage area 22 is formed by the top surface portion 5, the rear wall portion 19, the rear surface portion 6, the support wall portion 20, the front end portion 20 a, and the cover 21.

  In the processing area 13, a holding portion 25 that is formed in a semicircular arc shape and holds the workpiece 24 is disposed. As shown in FIG. 5, the workpiece 24 is formed in a disk shape. The holding unit 25 is configured as a part of the unit device 30. As shown in FIG. 4, the holding part 25 includes an upper member 25a and a lower member 25b. The upper member 25a and the lower member 25b of the holding part 25 are gripped in a state where a semicircular part from the front part to the rear part of the workpiece 24 is sandwiched. A rotating shaft 26 is connected to the front part of the upper member 25a and the lower member 25b of the holding part 25. The rotation shaft 26 is connected to a drive unit 27 provided in front of the holding unit 25. The drive unit 27 is, for example, a motor. The drive unit 27 is disposed at substantially the same height as the holding unit 25 in the processing area 13. The drive unit 27 rotates the rotating shaft 26 in a direction T1 around the axial direction D2 of the rotating shaft 26. A rotating shaft 28 is connected to the rear portions of the upper member 25a and the lower member 25b of the holding portion 25. In such a configuration, when the rotation shaft 26 is rotated in the direction T1 by the drive unit 27, the holding unit 25 rotates in the direction T1. Thereby, the workpiece 24 can be rotated in the direction T1.

  As shown in FIG. 4, the storage area 22 is provided with a cutting portion 23 for cutting the workpiece 24. The cutting part 23 includes a support base part 23a, a support column 23b, a carriage 23c, a connecting part 23d, a processing tool 23f, a drive part 23g (see FIG. 3), and a drive part 23h. The carriage 23c includes a spindle 23e, a spindle motor (not shown), and a mechanism (not shown). The drive unit 23g and the drive unit 23h are, for example, motors. The support base portion 23 a is provided on the support wall portion 20. The support column 23b is provided substantially perpendicular to the support base portion 23a. The connecting portion 23d connects the support column 23b and the carriage 23c. The spindle 23e is connected to the lower end of the carriage 23c. The spindle 23e is disposed above the support base portion 23a. The processing tool 23f is formed in a shaft shape and is held at the lower end of the spindle 23e. The spindle 23e rotates the processing tool 23f around the axis of the processing tool 23f. The drive part 23g moves the connecting part 23d in the direction of the arrow D1, that is, the direction perpendicular to the workpiece 24 in FIG. As a result, the processing tool 23f moves in the direction of the arrow D1. The drive unit 23h moves the spindle 23e in the left-right direction. Thereby, the processing tool 23f moves in the left-right direction. The support wall 20 is provided with a hole (not shown), and the processing tool 23f is arranged in the processing area 13 through the hole.

  Next, the unit device 30 will be described. As shown in FIG. 5, in addition to the above-described holding unit 25 and driving unit 27, the unit device 30 includes a support unit 31 that supports the holding unit 25 via a rotation shaft 28, and a tool connected to the support unit 31. A magazine 32, a connecting portion 32 a, and a unit main body portion 33 accommodated in the accommodating area 14 are provided. The connecting portion 32 a connects the tool magazine 32 and the unit main body portion 33. The connecting portion 32a includes a rotation shaft (not shown) that rotates the support portion 31 in the direction T2 around the Y axis. The support portion 31 is formed in an L shape. The tool magazine 32 is formed in a box shape and stores a plurality of processing tools 23f. A plurality of holes (not shown) are formed on the upper surface of the tool magazine 32. The processing tool 23f is stored in a state of being partially inserted into the hole portion of the tool magazine 32.

  As shown in FIG. 5, the unit main body 33 is formed in a substantially rectangular parallelepiped shape. Specifically, as shown in FIG. 6, the unit main body 33 includes a first lower surface portion 33a, a left surface portion 33b, a right surface portion 33c (see FIG. 5), a front surface portion 33d (see FIG. 5), And a rear surface portion 33e. The left surface portion 33b is provided above the left end of the first lower surface portion 33a. The right surface portion 33c is provided at the right end of the first lower surface portion 33a. The front surface portion 33d is connected to the front end of the first lower surface portion 33a, the front end of the left surface portion 33b, and the front end of the right surface portion 33c. The first rear surface portion 33e is connected to the rear end of the first lower surface portion 33a, the rear end of the left surface portion 33b, and the rear end of the right surface portion 33c. In front of the first rear surface portion 33e, a second rear surface portion 33e1 connected perpendicularly to the first lower surface portion 33a is formed. In addition, a second lower surface portion 33a1 that is perpendicularly connected to the first rear surface portion 33e is formed above the first lower surface portion 33a. The left surface portion 33b and the right surface portion 33c (see FIG. 5) extend in the front-rear direction and are formed in a rectangular shape.

  As shown in FIG. 5, the unit main body 33 includes a first guide rail 34a, a second guide rail 34b (see FIG. 6), a sliding portion 35, a drive portion 36, and a drive portion 37 (see FIG. 6). ). The drive unit 36 is disposed in front of the sliding unit 35. Further, as shown in FIG. 6, the drive unit 37 is disposed behind the first rear surface portion 33 e of the unit main body portion 33. The drive unit 36 and the drive unit 37 are, for example, motors. As shown in FIG. 6, the second guide rail 34b is disposed below the first guide rail 34a (see FIG. 5). The first guide rail 34a and the second guide rail 34b extend in parallel to each other and in the front-rear direction. The sliding part 35 is connected to the connecting part 32a (see FIG. 5). A long hole 35a and a long hole 35b are formed in the sliding portion 35 along the front-rear direction. The long hole 35b is formed below the long hole 35a and in parallel with the long hole 35a. The first guide rail 34a is inserted into the elongated hole 35a of the sliding portion 35, and the second guide rail 34b is inserted into the elongated hole 35b. With such a configuration, the drive unit 37 slides the sliding unit 35 along the guide rail 34. Thereby, the holding | maintenance part 25 can be moved to the front-back direction. The drive unit 36 is connected to the right end of a rotating shaft (not shown) penetrating the tool magazine 32 in the left-right direction. The left end of the rotation shaft is connected to the support portion 31. In such a configuration, the drive unit 36 rotates the support unit 31 in the direction T2 around the Y axis. Thereby, the holding part 25 can be rotated in the direction T2. The left surface portion 33b is provided with a bellows-shaped partition plate 40 extending rearward. The partition plate 40 is formed with a hole (not shown) through which the connecting portion 32a (see FIG. 5) is inserted. As shown in FIG. 4, the partition plate 40 is arranged to face the notch 12 a in a state where the unit device 30 is accommodated. The partition plate 40 contacts the left surface portion 33 b, and the left surface portion 33 b contacts the partition wall 12. Thereby, the clearance gap between the notch part 12a and the partition plate 40 can be made small.

  Next, a method for housing the unit device 30 in the artificial tooth production device 1 will be described. As shown in FIG. 7, the unit main body 33 of the unit device 30 is slid along the direction D3 parallel to the above-described direction D2 to be accommodated in the accommodation area 14. Note that when the unit main body 33 is positioned in the accommodation area 14, other components of the unit device 30 are positioned in the processing area 13 (see FIG. 3). This will be described in detail below.

  As shown in FIG. 8, the second base portion 2 b is formed to be inclined downward from the front to the rear. A thin plate-like slide portion 41 is provided on the second base portion 2b. As shown in FIG. 3, the slide part 41 is formed with a long groove 41a extending in the front-rear direction. As shown in FIG. 8, a protruding portion 41 b protruding upward is formed at the rear end of the slide portion 41. As shown in FIG. 6, a convex guide rail 42 extending in the front-rear direction is provided on the first lower surface portion 33 a of the unit device 30. When the operator stores the unit main body 33 in the storage area 14, the operator engages the rear end of the guide rail 42 of the unit main body 33 with the front end of the long groove 41 a of the slide portion 41. Slide on the slide part 41 with the part 33 facing rearward. At this time, as shown in FIG. 8, the operator slides the unit main body 33 until the second rear surface portion 33e1 of the unit main body 33 contacts the front end of the protruding portion 41b. And if the 2nd rear surface part 33e1 contacts the front end of the protrusion part 41b, the unit main-body part 33 will be positioned in the predetermined position of the accommodation area 14, and will be accommodated. In this case, the holding unit 25, the driving unit 27, the support unit 31, and the tool magazine 32 (see FIG. 5) of the unit device 30 are arranged at predetermined positions in the processing area 13 (see FIG. 3). As described above, when the unit main body 33 is positioned in the accommodation area 14, the holding unit 25, the drive unit 27, the support unit 31, and the tool magazine 32 are positioned in the processing area 13. A connecting portion 32a (see FIG. 5) for connecting the tool magazine 32 and the unit main body portion 33 is inserted into the cutout portion 12a (see FIG. 3), so that a part of the connecting portion 32a enters the processing area 13. The other portion of the connecting portion 32a is disposed in the accommodation area 14. Thereafter, as described above, the cover 14a (see FIG. 2) is assembled into the closed area 14. Then, the front cover 7 is closed.

  As described above, according to the present embodiment, the unit device 30 in which the holding unit 25 and the drive units 36 and 37 are integrated is detachably provided in the case 10. Thereby, the unit device 30 can be taken out from the case 10 through the opening in front of the case 10 with the front cover 7 opened. Thus, it is not necessary to inspect and maintain the unit device 30 while the unit device 30 is in the case 10, and the unit device 30 can be taken out of the case 10 and inspected outside the case 10. it can. That is, when carrying out the inspection of the holding unit 25, the drive unit 36, and the drive unit 37, these can be collected as a unit device 30 and taken out from the case 10 at a time. With such a configuration, an operator can easily inspect the unit device 30 and the like. Therefore, the workability of the worker is improved.

  Further, according to the present embodiment, the drive unit 37 is configured to move the holding unit 25 in the front-rear direction. Thereby, the connection part 32a can be moved along the notch part 12a formed in the front-back direction.

  Moreover, according to this embodiment, the 1st base part 2a inclined downward from the front in the process area 13 is provided. Thereby, it becomes easy to collect chips generated when the workpiece 24 is cut behind the first base portion 2a. Thereby, dust collection property improves.

  Moreover, according to this embodiment, the 2nd base part 2b inclined downward from the front in the accommodation area 14 is provided. Accordingly, the unit device 30 can be slid from the front toward the rear on the second base portion 2b. Thereby, it becomes easy to arrange the unit device 30.

  Further, according to the present embodiment, when the unit device 30 is accommodated in the case 10, the guide rail 42 can be slid rearward along the long groove 41a. Thereby, it becomes easy to position the unit device 30 in the case 10. That is, the holding part 25 can be easily positioned in the processing area 13, and the driving part 36 and the driving part 37 can be easily positioned in the accommodation area 14.

  Further, according to the present embodiment, the second rear surface portion 33e1 of the unit device 30 can be brought into contact with the protruding portion 41b after the guide rail 42 is slid along the long groove 41a. Thereby, positioning in the accommodation area 14 of the drive part 36 and the drive part 37 of the unit apparatus 30 and positioning in the process area 13 of the holding | maintenance part 25 of the unit apparatus 30 can be performed easily.

  In addition, according to the present embodiment, the bellows-shaped partition plate 40 is disposed to face the notch 12 a in a state where the drive unit 36 and the drive unit 37 of the unit device 30 are disposed in the accommodation area 14. Thereby, it is possible to prevent the chips in the processing area 13 from entering the accommodation area 14 through the notch 12a while causing the partition plate 40 to deform following the movement of the connecting portion 32a. Thereby, it is possible to prevent chips from entering the drive unit 36 and the drive unit 37.

  In the above embodiment, the long groove 41a is provided in the slide portion 41 disposed in the accommodation area 14, but the present invention is not limited to this. You may make it form the long groove | channel 41a in the 2nd base part 2b in the accommodation area 14. FIG.

  Moreover, in the said embodiment, although the 2nd base part 2b inclined downward from the front in the accommodation area 14 was provided, it is not limited to this. You may make it provide the base part formed horizontally.

  Moreover, in the said embodiment, although comprised so that the holding | maintenance part 25 might be moved to the front-back direction, it is not limited to this. The processing tool 23f may be configured to move in the front-rear direction. Moreover, although the holding | maintenance part 25 was rotated in the direction T2 around the Y-axis, it is not limited to this. The processing tool 23f may be configured to rotate in the direction T2.

  In the above embodiment, the holding unit 25 is moved three-dimensionally in the XYZ coordinate system. However, the present invention is not limited to this. For example, a polar coordinate system may be adopted as long as the holding unit 25 can be moved three-dimensionally.

  The terms and expressions used herein are used for explanation and are not used for limited interpretation. It should be recognized that any equivalents of the features shown and described herein are not excluded and that various modifications within the claimed scope of the invention are permitted. The present invention can be embodied in many different forms. This disclosure should be regarded as providing embodiments of the principles of the invention. The embodiments are described herein with the understanding that the embodiments are not intended to limit the invention to the preferred embodiments described and / or illustrated herein. It is not limited to the embodiment described here. The present invention also encompasses any embodiment that includes equivalent elements, modifications, deletions, combinations, improvements and / or changes that may be recognized by those skilled in the art based on this disclosure. Claim limitations should be construed broadly based on the terms used in the claims and should not be limited to the embodiments described herein or in the process of this application.

DESCRIPTION OF SYMBOLS 1 Artificial tooth preparation apparatus 2a 1st base part 2b 2nd base part 7 Front cover 10 Case 12 Partition wall 12a Notch part 13 Processing area 14 Storage area 23 Cutting part 23e Spindle (cutting part)
23f Machining tool (cutting part)
24 Workpiece 25 Holding part 27 Drive part (3rd drive part)
30 unit device 33 unit body 33a first lower surface (lower surface)
33b Left side (side)
33e1 Second rear surface portion (rear surface portion)
36 Drive unit (second drive unit)
37 Drive unit (first drive unit)
40 bellows-like partition plate 41a long groove 41b protrusion 42 guide rail

Claims (7)

An artificial tooth production device for producing artificial teeth by cutting a workpiece,
A case with an open front,
A front cover provided at a front portion of the case and capable of opening and closing the opening;
A vertical partition wall disposed in the case, partitioning a space behind the opening in the case into a processing area and a storage area, and provided with a notch cut out from the front to the back;
A cutting portion that is disposed above the workpiece in the machining area and cuts the workpiece;
A holding unit for holding the workpiece; a first driving unit for moving the holding unit at least linearly; a second driving unit for rotating the holding unit about an axis in a predetermined direction; the holding unit; A connecting unit that connects the first driving unit and connects the holding unit and the second driving unit, and a unit device that is detachable in the case;
The connecting part is inserted into the notch, a part of the connecting part is arranged in the processing area, the other part of the connecting part is arranged in the accommodation area, and the holding part is arranged in the processing area. The artificial tooth preparation device, wherein the unit device is mounted in the case in a state where the first drive unit and the second drive unit are arranged in the accommodation area.   The artificial tooth manufacturing apparatus according to claim 1, wherein the first driving unit is configured to move the holding unit in the front-rear direction.   The artificial tooth manufacturing apparatus according to claim 1, wherein the case includes a first base portion that is disposed below the holding portion in the processing area and is inclined downward from the front to the rear.   The artificial tooth production apparatus according to any one of claims 1 to 3, wherein the case includes a second base portion on which the unit device is placed in the accommodation area and is inclined downward from the front to the rear. The unit device includes a lower surface portion that extends in the front-rear direction and supports the first drive unit and the second drive unit,
A guide rail having a convex cross section extending in the front-rear direction is formed in the lower surface portion of the unit device, a long groove extending in the front-rear direction is formed in the second base portion, and the long groove and the guide rail are engaged. The artificial tooth production apparatus according to claim 4. The unit device includes a rear surface portion that is vertically connected to the lower surface portion at the rear portion of the lower surface portion,
A protrusion protruding upward is formed at the rear of the guide rail,
The artificial tooth preparation device according to claim 5, wherein the first drive unit and the second drive unit of the unit device are arranged in the housing area in a state where the rear surface portion is in contact with the protruding portion. The unit device includes a side surface connected perpendicularly to the lower surface.
The side surface portion is provided with a bellows-shaped partition plate extending in the front-rear direction and having a hole portion through which the connecting portion is inserted,
The artificial tooth according to claim 5 or 6, wherein the partition plate is disposed to face the notch portion in a state where the first drive unit and the second drive unit of the unit device are disposed in the accommodation area. Production device.

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