CN113520642A - Cutting instrument for manufacturing false teeth - Google Patents
Cutting instrument for manufacturing false teeth Download PDFInfo
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- CN113520642A CN113520642A CN202110786975.1A CN202110786975A CN113520642A CN 113520642 A CN113520642 A CN 113520642A CN 202110786975 A CN202110786975 A CN 202110786975A CN 113520642 A CN113520642 A CN 113520642A
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- tray
- saw blade
- workbench
- circular saw
- rod
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/34—Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mining & Mineral Resources (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The application relates to the field of false tooth manufacturing, in particular to a cutting instrument for false tooth manufacturing, which comprises a workbench, a circular saw blade rotationally connected to the workbench and a motor for driving the circular saw blade to rotate; the upper surface of the workbench is rotatably connected with a circular tray for placing the dental jaw model, the tray is provided with a cutting groove for a circular saw blade to penetrate through and cut the dental jaw model, and the workbench is also provided with a first torsion spring for driving the tray to rotate upwards and separate from the circular saw blade; a plurality of sliding grooves which are the same as the radius direction of the tray are circumferentially distributed on the upper surface of the tray, a plurality of outer rods which are vertical to the tray are slidably embedded in each sliding groove, a coaxial inner rod is slidably embedded on each outer rod, and a spring which pushes the inner rod out of each outer rod is further arranged on each outer rod; and the worktable is also provided with a gathering mechanism which drives the outer rod and the inner rod to gather towards the circle center of the tray when the tray rotates to the circular saw blade. This scheme has improved the location effect to the tooth jaw model, promotes the cutting precision and the cutting efficiency of tooth jaw model.
Description
Technical Field
The application relates to the field of denture manufacturing, in particular to a cutting instrument for denture manufacturing.
Background
The artificial tooth is also called as a false tooth, and is a false tooth which is embedded and supplemented for recovering the functions of chewing, beauty, pronunciation and the like after the tooth is fallen off or pulled out. When the artificial tooth is manufactured, a manufacturer needs to manufacture the artificial tooth according to the corresponding tooth form of a patient, so that the artificial tooth can be well attached to the gum.
When the false tooth is manufactured, a manufacturer firstly manufactures a tooth jaw model by using a plaster casting mould, then holds the tooth jaw model by one hand and holds the long saw blade by the other hand to saw off and separate teeth in the tooth jaw model so as to be continuously used in the subsequent working procedures. The manual cutting mode of the dental model has the advantages that the positioning effect is poor, the cutting precision of the dental model is greatly reduced, and meanwhile, the cutting efficiency of the dental model is seriously influenced.
Disclosure of Invention
In order to improve the location effect to the tooth jaw model, promote cutting accuracy and the cutting efficiency to the tooth jaw model, this application provides a cutting appearance for artificial tooth preparation.
The application provides a cutting appearance for artificial tooth preparation adopts following technical scheme:
a cutting instrument for manufacturing false teeth comprises a workbench, a circular saw blade rotationally connected to the workbench and a motor for driving the circular saw blade to rotate; the upper surface of the workbench is rotatably connected with a circular tray for placing the dental jaw model, the tray is provided with a cutting groove for a circular saw blade to penetrate through and cut the dental jaw model, and the workbench is also provided with a first torsion spring for driving the tray to rotate upwards and separate from the circular saw blade; a plurality of sliding grooves which are the same as the radius direction of the tray are circumferentially distributed on the upper surface of the tray, a plurality of outer rods which are vertical to the tray are slidably embedded in each sliding groove, a coaxial inner rod is slidably embedded on each outer rod, and a spring which pushes the inner rod out of each outer rod is further arranged on each outer rod; and the worktable is also provided with a gathering mechanism which drives the outer rod and the inner rod to gather towards the circle center of the tray when the tray rotates to the circular saw blade.
Through adopting above-mentioned technical scheme, the workman will be put the tooth jaw model on the tray, and let the cutting position of tooth jaw model align the cutting groove, then press the tooth jaw model and make partial interior pole compression spring and retraction in the outer pole that corresponds, the tooth jaw model will become to sink into the tray mutually, the workman rotates the tray immediately again and makes the tooth jaw model be close to the circular saw blade, the mechanism of gathering together at this moment can order about all outer poles and interior pole and all gather together towards the centre of a circle of tray, interior pole around the tooth jaw model will press from both sides it firmly, and the circular saw blade will pass the cutting groove and cut the tooth jaw model finally. This scheme has utilized interior pole mode of sinking to restrict the position of tooth jaw model, and the rethread gathers together the mechanism and lets interior pole on every side press from both sides tight tooth jaw model to the realization carries out position locking to the tooth jaw model that the shape is various, has improved positioning effect and cutting accuracy to tooth jaw model greatly. Meanwhile, the dental model is cut by the circular saw blade rotating at a high speed, so that the cutting efficiency and the cutting precision of the dental model are greatly improved.
Preferably, the gathering mechanism comprises an abutting rod which is embedded in the sliding chute in a sliding manner, one end of the abutting rod penetrates through the side wall of the tray, and the other end of the abutting rod abuts against an outer rod on the outermost side of the sliding chute; gather together the mechanism and still including setting up the arc pipe that just encloses the tray all the time at the workstation upper surface and offer the guide face that supplies butt rod tip to contradict on the arc pipe inside wall, when the tray revolves to the saw blade, the guide face can order about the butt pole and gather together towards the centre of a circle of tray to let the interior pole that is closest to the tooth jaw model press from both sides tight tooth jaw model.
Through adopting above-mentioned technical scheme, when the tray revolved to the circular saw piece, the butt pole can be automatic by the guide face squeeze into corresponding spout in, the outer pole in the spout is squeezed again to the butt pole and let them move towards the centre of a circle of tray, interior pole will move and press from both sides tight tooth jaw model towards the centre of a circle of tray along with outer pole together. When the tray is screwed off the circular saw blade, the effect that the guide surface extrudes the abutting rod is gradually cancelled, the inner rod does not clamp the dental model any more, and the dental model can be ejected out of the tray by the inner rod. The gathering mechanism is ingenious in structural design, the outer rod and the inner rod can be automatically tightened in the rotating process of the tray, the position of the dental jaw model can be conveniently locked by workers, and the positioning effect and the cutting precision of the dental jaw model are improved.
Preferably, the outer side wall of the outer rod is sleeved with a first rubber sleeve.
Through adopting above-mentioned technical scheme, first rubber sleeve not only can increase the elastic distance between outer pole and the outer pole, lets interior pole can press from both sides tight tooth jaw model smoothly, and first rubber sleeve can also absorb and cushion the vibration that produces in the cutting process, lets tooth jaw model more steady on the tray, has effectively improved the cutting precision to tooth jaw model.
Preferably, the upper end of the inner rod is obliquely arranged towards the central axis of the tray.
Through adopting above-mentioned technical scheme, when interior pole presss from both sides tight tooth jaw model around the tooth jaw model, the upper end of interior pole also will support tight tooth jaw model, and therefore, interior pole not only can apply one along the spacing of tray place plane direction to tooth jaw model, and interior pole still can apply a perpendicular tray place plane direction spacing to tooth jaw model, has effectively improved interior pole to tooth jaw model's location effect, has promoted the cutting precision who improves tooth jaw model greatly.
Preferably, a through groove for chips to fall out of the tray is formed at the bottom of the sliding groove.
Through adopting above-mentioned technical scheme, the piece that tooth jaw model produced in the cutting process can follow logical groove and fall out the spout, and this greatly reduced outer pole card probability in the spout, let outer pole and interior pole can be smoothly toward the centre of a circle of tray and press from both sides tight tooth jaw model, ensured the normal use of cutting instrument.
Preferably, the workbench is provided with a through hole communicated with the upper surface and the lower surface of the workbench, the lower surface of the workbench is provided with an exhaust fan, an air inlet of the exhaust fan is communicated with the through hole, and an air outlet of the exhaust fan is sleeved with a cloth bag; the workstation is last to rotate and to be connected with the baffle and order about the second torsional spring that the through-hole was plugged up to the baffle, and the lower surface of tray is equipped with the roof that automatically backs up the baffle when the tray revolves to the circular saw piece.
Through adopting above-mentioned technical scheme, the piece that tooth jaw model produced in the cutting process can be taken away by the air exhauster to carry and detain and collect in the sack, this has effectively reduced the influence that the piece led to the fact the circular saw blade, has ensured the cutting quality of circular saw blade to tooth jaw model. In addition, when tray and tooth jaw model revolve to the saw blade, the roof can take lead to conflict the baffle and open the through-hole a bit by bit, and the piece volume at this moment is less, and the through-hole of partially opening just can let the air exhauster keep better suction, and the piece can be smooth is siphoned away by the air exhauster. Along with the continuation of tray and tooth jaw model is down-rotated, the piece volume can become more gradually, and the area that the through-hole was opened also can increase gradually, the absorption area grow of air exhauster, and this lets the piece that becomes more can be siphoned away the very first time, has effectively embodied structural design's rationality, greatly reduced the influence that the piece led to the fact the circular saw blade.
Preferably, an elastic sealing ring for limiting fragments to scatter is connected between the workbench and the baffle, and an air inlet of the exhaust fan is communicated with the inside of the elastic sealing ring.
Through adopting above-mentioned technical scheme, elastic seal can block the piece, has effectively avoided the piece to fall out from the gap between workstation and the baffle the condition, makes the piece can be taken away and collect in the sack smoothly by the air exhauster.
Preferably, one end of the top plate, which is far away from the tray, is rotatably connected with a rotating cylinder which is abutted against the baffle.
Through adopting above-mentioned technical scheme, the rotary drum can reduce the frictional resistance between roof and the baffle to the process that the baffle was backed up to the roof is more smooth.
Preferably, the tray is provided with a light beam emitter for displaying the cutting position of the dental model.
Through adopting above-mentioned technical scheme, the light beam that the light beam transmitter sent can shine on the tooth jaw model to demonstrate the effect region of saw blade, made things convenient for the position that the workman adjusted the tooth jaw model greatly to align cutting groove, be favorable to promoting the cutting accuracy to the tooth jaw model.
Preferably, a second rubber sleeve is sleeved on the side wall of the inner rod.
Through adopting above-mentioned technical scheme, the second rubber sleeve not only can protect the tooth jaw model, reduces the probability that the tooth jaw model takes place to damage, and the second rubber sleeve can also absorb and cushion the vibration that produces in the cutting process, lets the tooth jaw model more steady on the tray, has effectively improved the cutting accuracy to the tooth jaw model.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the workbench, the circular saw blade, the motor, the tray, the cutting groove, the first torsion spring, the sliding groove, the outer rod, the inner rod, the spring and the gathering mechanism improves the positioning effect on the dental jaw model and improves the cutting precision and the cutting efficiency on the dental jaw model;
2. the arrangement of the first rubber sleeve not only enables the inner rod to smoothly clamp the dental model, but also enables the dental model to be more stable on the tray;
3. the upper end of the inner rod is obliquely arranged, so that the positioning effect of the inner rod on the dental jaw model is greatly improved;
4. through holes, the exhaust fan, the cloth bag, the baffle plate, the second torsion spring and the top plate, the influence of the scraps on the circular saw blade is reduced, the rationality of the structural design is effectively embodied, and the cutting precision of the dental jaw model is improved;
5. the arrangement of the light beam emitter facilitates the adjustment of the position of the dental model by workers to align the cutting groove, and improves the cutting precision of the dental model.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is a schematic illustration in partial cross-sectional view of an embodiment of the present application;
FIG. 4 is an enlarged partial schematic view of portion B of FIG. 3;
fig. 5 is a schematic view of a connection structure between a baffle and a workbench in an embodiment of the present application.
Description of reference numerals: 1. a work table; 2. a circular saw blade; 3. a motor; 4. a tray; 5. cutting the groove; 6. a first torsion spring; 7. a light beam emitter; 8. a chute; 9. an outer rod; 10. an inner rod; 11. a spring; 12. a butting rod; 13. an arc tube; 14. a guide surface; 15. a first rubber sleeve; 16. a second rubber sleeve; 17. a through hole; 18. an exhaust fan; 19. a cloth bag; 20. a through groove; 21. a baffle plate; 22. a second torsion spring; 23. an elastic sealing ring; 24. a top plate; 25. a rotating drum.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Referring to fig. 1 and 2, a cutting instrument for denture fabrication includes a table 1, a circular saw blade 2 rotatably coupled to the table 1, and a motor 3 mounted on the table 1 for rotating the circular saw blade 2 at a high speed, the motor 3 being connected to a power source through an electric wire. The upper surface of workstation 1 rotates and is connected with a circular tray 4 that is used for placing the tooth jaw model, and the axis of rotation of tray 4 is parallel with the axis of rotation of circular saw blade 2, has seted up one on the tray 4 and has cut groove 5 the same with 4 diameter direction on the tray, cuts groove 5 and is used for supplying circular saw blade 2 to pass tray 4 and cut the tooth jaw model, and still installs on workstation 1 and orders about tray 4 top spin and make its first torsion spring 6 that separates with circular saw blade 2. The worker puts the dental model on the tray 4 and then presses down the tray 4 to make the dental model approach the circular saw blade 2, the first torsion spring 6 is deformed, and the circular saw blade 2 will pass through the cutting groove 5 and cut the dental model. When the worker slowly withdraws the hands, the first torsion spring 6 drives the tray 4 to rotate upwards, and the jaw model on the tray 4 can be separated from the circular saw blade 2, so that the worker can take the jaw model away subsequently.
Referring to fig. 1, in order to facilitate a worker to accurately align a position to be cut of the dental model with the cutting groove 5, a light beam emitter 7 is installed on one side of the tray 4 close to the rotation axis thereof, the light beam emitter 7 is a commercially available laser emitter, and the light beam emitter 7 emits a light beam toward the dental model to display a cutting area of the circular saw blade 2, so as to provide a reference for the worker to adjust the position of the dental model.
Referring to fig. 3 and 4, six sliding grooves 8 identical to the radius direction of the tray 4 are formed in the upper surface of the tray 4, the six sliding grooves 8 are distributed on the tray 4 at equal angular intervals, a plurality of outer rods 9 are embedded in each sliding groove 8, the outer rods 9 are perpendicular to the plane where the tray 4 is located, the outer rods 9 can only slide along the length direction of the sliding grooves 8, and the outer rods 9 cannot rotate relative to the tray 4. An inner rod 10 coaxial with the outer rod 9 is embedded in the outer rod 9 in a sliding mode, the upper end of the inner rod 10 is obliquely arranged towards the central axis of the tray 4, and a spring 11 for pushing the inner rod 10 out of the outer rod 9 is fixedly connected in the outer rod 9. The one end that the spout 8 kept away from the centre of a circle of tray 4 communicates with the perisporium of tray 4, and equal slip inlays in every spout 8 and is equipped with a butt pole 12, and the perisporium of tray 4 is stretched out to the one end of butt pole 12, and the other end of butt pole 12 supports on the outer pole 9 that corresponds spout 8 the outside. The upper surface of the workbench 1 is fixedly connected with an arc-shaped pipe 13 with a cross section in a shape of a major arc, the center of a circle pointed by the arc-shaped pipe 13 falls on the rotating axis of the tray 4, and the inner side wall of the arc-shaped pipe 13 is always abutted against one end of the abutting rod 12 extending out of the peripheral wall of the tray 4. The inner side wall of one end, far away from the workbench 1, of the arc-shaped pipe 13 is provided with a guide surface 14, the distance from the guide surface 14 to the central line of the arc-shaped pipe 13 is gradually shortened from top to bottom, the guide surface 14 can drive the abutting rod 12 and the outer rod 9 to gather together towards the circle center of the tray 4, and the abutting rod 12, the arc-shaped pipe 13 and the guide surface 14 form a gathering mechanism for driving the outer rod 9 and the inner rod 10 to gather together towards the circle center of the tray 4.
A worker aligns the region to be cut of the dental model with the cutting groove 5, then presses the dental model into a deformable region formed by the inner rods 10, partial inner rods 10 can be pressed into the corresponding outer rods 9 by the dental model, other inner rods 10 can be distributed around the dental model and limit the movement of the dental model, the worker presses the tray 4 down to enable the dental model to be close to the circular saw blade 2 rotating at a high speed, the guide surface 14 can press the abutting rods 12 and enable the abutting rods 12 to move towards the circle center of the circular disc, the abutting rods 12 can drive the outer rods 9 and the inner rods 10 in the sliding grooves 8 to move towards the circle center of the circular disc together, the inner rods 10 distributed around the dental model clamp the dental model, and the circular saw blade 2 finally penetrates through the cutting groove 5 and cuts the clamped dental model. When the tray 4 is slowly screwed up and reset, the distance between the abutting rod 12 and the guide surface 14 is increased, the abutting effect of the abutting rod 12 on the outer rod 9 is cancelled, the inner rod 10 loosens the dental model, and a worker can take away the cut dental model.
Referring to fig. 4, in order to buffer and absorb the vibration generated by the circular saw blade 2 (as shown in fig. 3) when cutting the dental model, improve the positioning effect on the dental model, protect the dental model, the outer side wall of the outer rod 9 is fixedly sleeved with a first rubber sleeve 15, and the outer side wall of the inner rod 10 is fixedly sleeved with a second rubber sleeve 16. In addition, the first rubber sleeve 15 and the second rubber sleeve 16 can increase the moving elastic distance of the inner rod 10, so that the inner rod 10 can smoothly clamp the dental model.
Referring to fig. 5, the worktable 1 is provided with a through hole 17 communicating the upper and lower surfaces of the worktable 1, and the through hole 17 communicates with the inside of the arc tube 13 (see fig. 3). An exhaust fan 18 is installed on the lower surface of the workbench 1, an air inlet of the exhaust fan 18 is communicated with the through hole 17, and a cloth bag 19 used for retaining fragments is sleeved at an air outlet of the exhaust fan 18. The debris generated by the circular saw blade 2 cutting the dental model is drawn away by the suction fan 18 and then sent to the cloth bag 19 for retention and collection. In order to enable the chips in the sliding groove 8 to be smoothly drawn away by the exhaust fan 18, a through groove 20 communicated with the lower surface of the tray 4 is further formed in the bottom of the sliding groove 8, the length direction of the through groove 20 is the same as that of the sliding groove 8, and the chips can fall out of the sliding groove 8 from the through groove 20 and are smoothly drawn away by the exhaust fan 18.
The lower surface of workstation 1 rotates and is connected with a baffle 21, still install on the workstation 1 and order about baffle 21 top spin and plug up the second torsional spring 22 (like fig. 2) of through-hole 17, still be connected with the elastic sealing ring 23 that the restriction piece fell out between baffle 21 and the 1 lower surface of workstation, the air intake that convulsions out is connected with elastic sealing ring 23 and communicates with through-hole 17, the lower fixed surface of tray 4 is connected with one and tray 4 vertically roof 24, the one end rotation that tray 4 was kept away from to roof 24 is connected with the rotary drum 25 that is used for pushing up baffle 21. When the tray 4 rotates towards the circular saw blade 2, the rotating cylinder 25 on the top plate 24 will collide with the baffle plate 21, and as the tray 4 continues to rotate, the circular saw blade 2 will start to cut the dental model, the top plate 24 will also push the baffle plate 21 and open part of the through holes 17, and at this time, the generation amount of chips is small, and the partially opened through holes 17 can ensure that the exhaust fan 18 has good suction force to absorb the chips. With the continuous rotation of tray 4, the production volume of piece can become more gradually, and through-hole 17 will be opened completely at all times, and the suction area of air exhauster 18 becomes big, and this lets the piece that becomes more can all be siphoned away the very first time, has effectively reduced the influence of piece to circular saw blade 2.
The implementation principle of the embodiment is as follows: a worker aligns the region to be cut of the dental model with the cutting groove 5, then presses the dental model into a deformable region formed by the inner rods 10, partial inner rods 10 can be pressed into the corresponding outer rods 9 by the dental model, other inner rods 10 can be distributed around the dental model and limit the movement of the dental model, the worker presses the tray 4 down to enable the dental model to be close to the circular saw blade 2 rotating at a high speed, the guide surface 14 can press the abutting rods 12 and enable the abutting rods 12 to move towards the circle center of the circular disc, the abutting rods 12 can drive the outer rods 9 and the inner rods 10 in the sliding grooves 8 to move towards the circle center of the circular disc together, the inner rods 10 distributed around the dental model clamp the dental model, and the circular saw blade 2 finally penetrates through the cutting groove 5 and cuts the clamped dental model. When the tray 4 is slowly screwed up and reset, the distance between the abutting rod 12 and the guide surface 14 is increased, the abutting effect of the abutting rod 12 on the outer rod 9 is cancelled, the inner rod 10 loosens the dental model, and a worker can take away the cut dental model.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A cutting instrument for denture preparation, which is characterized in that: comprises a workbench (1), a circular saw blade (2) rotationally connected to the workbench (1) and a motor (3) for driving the circular saw blade (2) to rotate; the upper surface of the workbench (1) is rotatably connected with a circular tray (4) for placing the dental jaw model, a cutting groove (5) for the circular saw blade (2) to penetrate through and cut the dental jaw model is formed in the tray (4), and a first torsion spring (6) for driving the tray (4) to rotate upwards and separate from the circular saw blade (2) is further arranged on the workbench (1); a plurality of sliding grooves (8) which are the same as the tray (4) in the radius direction are circumferentially distributed on the upper surface of the tray (4), a plurality of outer rods (9) which are vertical to the tray (4) are slidably embedded in each sliding groove (8), coaxial inner rods (10) are slidably embedded on the outer rods (9), and springs (11) which push the inner rods (10) out of the outer rods (9) are further arranged on the outer rods (9); the workbench (1) is also provided with a gathering mechanism which drives the outer rod (9) and the inner rod (10) to gather towards the center of the circular saw blade (2) when the tray (4) rotates to the circular saw blade.
2. A cutting instrument for denture fabrication according to claim 1, wherein: the gathering mechanism comprises a butting rod (12) which is embedded in the sliding chute (8) in a sliding way, one end of the butting rod penetrates out of the side wall of the tray (4), and the other end of the butting rod (12) butts against the outer rod (9) on the outermost side of the sliding chute (8); the gathering mechanism further comprises an arc-shaped pipe (13) which is arranged on the upper surface of the workbench (1) and surrounds the tray (4) all the time, and a guide surface (14) which is arranged on the inner side wall of the arc-shaped pipe (13) and is used for abutting against the end part of the abutting rod (12), when the tray (4) rotates to the circular saw blade (2), the guide surface (14) can drive the abutting rod (12) to gather towards the circle center of the tray (4), and the inner rod (10) which is closest to the tooth jaw model can clamp the tooth jaw model.
3. A cutting instrument for denture fabrication according to claim 1, wherein: the outer side wall of the outer rod (9) is sleeved with a first rubber sleeve (15).
4. A cutting instrument for denture fabrication according to claim 1, wherein: the upper end of the inner rod (10) is obliquely arranged towards the central axis of the tray (4).
5. A cutting instrument for denture fabrication according to claim 1, wherein: the bottom of the sliding groove (8) is provided with a through groove (20) for chips to fall out of the tray (4).
6. A cutting instrument for denture fabrication according to claim 1, wherein: a through hole (17) communicated with the upper surface and the lower surface of the workbench (1) is formed in the workbench (1), an exhaust fan (18) is arranged on the lower surface of the workbench (1), an air inlet of the exhaust fan (18) is communicated with the through hole (17), and a cloth bag (19) is sleeved at an air outlet of the exhaust fan (18); the workbench (1) is rotatably connected with a baffle (21) and a second torsion spring (22) for driving the baffle (21) to block the through hole (17), and the lower surface of the tray (4) is provided with a top plate (24) for automatically ejecting the baffle (21) when the tray (4) rotates to the circular saw blade (2).
7. A cutting instrument for denture fabrication according to claim 6, wherein: an elastic sealing ring (23) for limiting fragments to scatter is connected between the workbench (1) and the baffle (21), and an air inlet of the exhaust fan (18) is communicated with the interior of the elastic sealing ring (23).
8. A cutting instrument for denture fabrication according to claim 6, wherein: one end of the top plate (24) far away from the tray (4) is rotatably connected with a rotary drum (25) which is abutted against the baffle plate (21).
9. A cutting instrument for denture fabrication according to claim 1, wherein: the tray (4) is provided with a light beam emitter (7) for displaying the cutting position of the dental model.
10. A cutting instrument for denture fabrication according to claim 1, wherein: and a second rubber sleeve (16) is sleeved on the side wall of the inner rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110786975.1A CN113520642B (en) | 2021-07-13 | 2021-07-13 | Cutting instrument for manufacturing false teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110786975.1A CN113520642B (en) | 2021-07-13 | 2021-07-13 | Cutting instrument for manufacturing false teeth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113520642A true CN113520642A (en) | 2021-10-22 |
| CN113520642B CN113520642B (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110786975.1A Active CN113520642B (en) | 2021-07-13 | 2021-07-13 | Cutting instrument for manufacturing false teeth |
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| Country | Link |
|---|---|
| CN (1) | CN113520642B (en) |
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| CN108378940A (en) * | 2018-03-12 | 2018-08-10 | 保定翰阳科技有限公司 | A kind of customized type supporting groove locator and its manufacturing method |
| CN207837666U (en) * | 2017-11-01 | 2018-09-11 | 上海雷帕罗义齿有限公司 | Grinding machine in a kind nail tongue side |
| CN209062591U (en) * | 2018-11-14 | 2019-07-05 | 西安市帕菲克精密义齿有限公司 | A kind of cutter |
| CN209437392U (en) * | 2018-11-14 | 2019-09-27 | 西安市帕菲克精密义齿有限公司 | A kind of dentistry occluder |
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2021
- 2021-07-13 CN CN202110786975.1A patent/CN113520642B/en active Active
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