Adjustable false tooth carving machine clamp

Through the design of multiple sets of fixed fixtures and driving mechanisms, the problem of difficult change in contact positions of zirconia materials in the prior art is solved, and the efficiency, accuracy and low loss of denture engraving are achieved.

CN223173293UActive Publication Date: 2025-08-01GANZHOU YILING INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202422259450.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-08-01
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

When clamping zirconia materials, it is difficult for existing denture engraving machines to change contact positions, resulting in slow engraving speed and waste of materials, affecting the accuracy of engraving.

Method used

An adjustable denture engraving machine fixture is designed to achieve multi-point fixing and position adjustment of the material through multiple sets of fixing fixtures and drive mechanisms. The rotation of the connecting ring is adjusted by using the drive motor and drive gear system to ensure that the material maintains stability and flexibility during the engraving process.

Benefits of technology

It improves the accuracy and efficiency of engraving, reduces material losses, and ensures the stability and flexibility of the engraving process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an adjustable false tooth carving machine clamp which comprises a bottom plate, a guide shaft is arranged at the upper end of the bottom plate, a positioning plate is arranged at the top end of the guide shaft, a plurality of connecting rings are arranged on the outer surface of the guide shaft in a sleeved mode, inner gear rings are arranged on the inner ring walls of the connecting rings, and the diameter of the connecting rings is equal to that of the positioning plate. The utility model relates to the technical field of false tooth carving. According to the adjustable false tooth carving machine clamp, the multiple sets of fixing clamps are arranged, it is guaranteed that when a material is carved, three or more fixing clamps always clamp the material, and then the material can be fixed through the fixing clamps at different positions, so that the contact position of the material and the fixing clamps is changed at any time; according to the material carving device, any position of a material can be effectively carved, the fixed position of the material is kept unchanged, the whole material can be carved conveniently, material loss can be effectively reduced, and the purpose of improving the carving accuracy is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of denture carving, in particular to an adjustable fixture for a denture carving machine. Background Technique

[0002] Dentures, also known as false teeth, are carved from disc ceramics by a denture carving machine.

[0003] When carving dentures, it is mostly necessary to fix the denture material through a fixture.

[0004] Chinese Patent Publication No. CN219618210U discloses an adjustable denture carving fixture, which includes a fixed seat and a first fixture and a second fixture respectively arranged on the left and right in the fixed seat. An adjustment component is installed on the fixed seat. The adjustment component includes a connecting rod fixed on the surface of the second fixture away from the first fixture, a gear fixed at one end of the connecting rod away from the second fixture, and a rack arranged below the gear. The gear and the rack are meshed and connected. A cavity is opened on one side of the fixed seat close to the gear, and the gear is located inside the cavity. By setting the adjustment component, when the zirconia material is clamped and carved by the first fixture and the second fixture, this fixture is provided with flipping adjustment, which can adjust the upper and lower positions when carving the zirconia material, improving the denture processing efficiency and the use effect of the device.

[0005] However, when the above-mentioned patent clamps and carves the zirconia material through the first fixture and the second fixture, it is difficult to change the position where the zirconia material contacts the clamping panel. Therefore, it is difficult to carve the clamped part of the zirconia material, and the material needs to be removed for carving, which will greatly affect the carving speed. Moreover, in order to ensure the carving accuracy, the whole material needs to be further trimmed when replacing the clamping position of the material, so it is easy to cause waste of the material. Content of the Utility Model

[0006] According to the deficiencies existing in the prior art, the purpose of the utility model is to provide an adjustable fixture for a denture carving machine, so as to solve the technical problems mentioned in the above background technique.

[0007] The above technical purpose of the utility model is achieved through the following technical solutions:

[0008] An adjustable fixture for a denture carving machine includes a bottom plate, a guide shaft is arranged at the upper end of the bottom plate, and a positioning plate is arranged at the top end of the guide shaft.

[0009] A plurality of connecting rings are sleeved on the outer surface of the guiding shaft. An internal gear ring is arranged on the inner ring wall of the connecting ring. The diameter of the connecting ring is equal to the diameter of the positioning plate. There are five connecting rings, and adjacent connecting rings are in contact with each other. Extension plates are arranged on the side walls of the connecting rings, and the top surfaces of the extension plates are flush with the top surface of the positioning plate. Fixed clamps are arranged at the tops of the extension plates;

[0010] Five groups of installation grooves are formed in the outer peripheral wall of the guiding shaft, and a driving mechanism is arranged inside the installation grooves.

[0011] Furthermore, the driving mechanism includes a rotating shaft. The rotating shaft is rotatably arranged inside the installation groove, and a driving motor for driving the rotating shaft to rotate is arranged inside the installation groove. A driving gear is arranged on the outer peripheral wall of the rotating shaft.

[0012] Furthermore, the positions of the five driving gears correspond to the positions of the five connecting rings respectively, and are meshed with the internal gear rings inside the connecting rings respectively.

[0013] Furthermore, the fixed clamp includes a clamp plate and a clamp rod. The clamp plate is fixedly connected to the top of the extension plate. A guiding cylinder is arranged at the top of the clamp plate. Positioning brackets are arranged at both ends of the guiding cylinder, and a driving screw rod is rotatably connected by the two positioning brackets together.

[0014] Furthermore, the clamp rod is slidably arranged inside the guiding cylinder. Positioning grooves are formed in the positions of the outer peripheral wall of the clamp rod corresponding to the positioning brackets, and screw grooves in threaded fit with the driving screw rod are formed in the inner groove walls of the positioning grooves.

[0015] Furthermore, one end of the clamp rod is provided with a guiding platform, and a clamping contact head is arranged at the axial center of one end of the guiding platform.

[0016] In summary, the utility model includes at least one of the following beneficial technical effects:

[0017] 1. For this adjustable dental engraving machine clamp, by arranging multiple groups of fixed clamps and ensuring that when the material is being engraved, there are always three or more fixed clamps clamping the material. Furthermore, the material can be fixed by using the fixed clamps at different positions to change the contact position between the material and the fixed clamps at any time, and any position of the material can be effectively engraved while keeping the fixed position of the material unchanged, so as to facilitate engraving the whole material, effectively reducing the loss of the material and achieving the purpose of improving the engraving accuracy;

[0018] 2. The adjustable fixture for a denture engraving machine drives a rotating shaft to rotate through a driving motor, and then drives a connecting ring to rotate through a driving gear cooperating with an internal gear ring, so as to adjust the distance between the extension plates corresponding to the fixture in contact with the denture material, thereby improving the stability of the fixed denture. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a schematic structural diagram of an adjustable fixture for a denture engraving machine of the present invention.

[0021] Figure 2 It is an exploded view of the bottom plate and the connecting ring of an adjustable fixture for a denture engraving machine of the present invention.

[0022] Figure 3 It is an exploded view of the connecting ring of an adjustable fixture for a denture engraving machine of the present invention.

[0023] Figure 4 It is a schematic structural diagram of the driving mechanism of an adjustable fixture for a denture engraving machine of the present invention.

[0024] Figure 5 It is a schematic structural diagram of the fixture of an adjustable fixture for a denture engraving machine of the present invention.

[0025] Figure 6 It is a schematic structural diagram when an adjustable fixture for a denture engraving machine of the present invention fixes the denture material.

[0026] In the figure, 1, bottom plate; 2, guide shaft; 3, positioning plate; 4, connecting ring; 5, internal gear ring; 6, extension plate; 7, fixture; 71, fixture plate; 72, fixture rod; 73, guide cylinder; 74, positioning bracket; 75, driving screw; 76, positioning groove; 77, guide table; 78, clamping contact; 8, installation groove; 9, driving mechanism; 91, rotating shaft; 92, driving gear. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The following will further describe the present invention in detail with reference to the drawings. Embodiment

[0028] Refer to Figures 1 - 6, A kind of adjustable fixture for denture engraving machine disclosed by the utility model includes a bottom plate 1. A guiding shaft 2 is arranged at the upper end of the bottom plate 1, and a positioning plate 3 is arranged at the top end of the guiding shaft 2;

[0029] A plurality of connecting rings 4 are sleeved on the outer surface of the guiding shaft 2. An internal gear ring 5 is arranged on the inner wall of the inner ring of the connecting ring 4. The diameter of the connecting ring 4 is equal to that of the positioning plate 3. There are five connecting rings 4, and adjacent connecting rings 4 are in contact with each other. Extension plates 6 are arranged on the side walls of the connecting rings 4, and the top surfaces of the extension plates 6 are flush with the top surface of the positioning plate 3. Fixed fixtures 7 are arranged at the tops of the extension plates 6;

[0030] Five groups of installation grooves 8 are formed on the outer peripheral wall of the guiding shaft 2, and a driving mechanism 9 is arranged inside the installation grooves 8

[0031] In this embodiment, when in use, the denture engraving material is fixed above the positioning plate 3 through five groups of fixed fixtures 7. As Figure 6 shown, during engraving, two non-adjacent fixed fixtures 7 are pushed away, and the material is fixed through three groups of fixed fixtures 7. The part of the material that is not in contact with the fixed fixtures 7 is engraved by the engraving equipment. After engraving, the two pushed-away fixed fixtures 7 are in contact with the engraved part, as Figure 6 shown, then another two non-adjacent fixed fixtures 7 are pushed away, and the part of the material that has not been engraved is engraved by the engraving equipment, so that when the material is being engraved, there are always three or more fixed fixtures 7 clamping the material, so that the position where the material contacts the fixed fixtures 7 can be changed at any time, and thus any position of the material can be effectively engraved while keeping the fixed position of the material unchanged, which is convenient for engraving the whole material, can effectively reduce the loss of the material, and during the engraving process of the material, the relative position with the positioning plate 3 always remains unchanged, so as to achieve the purpose of improving the engraving accuracy.

[0032] In a further preferred embodiment of the utility model, as Figures 1 - 6 shown, the driving mechanism 9 includes a rotating shaft 91. The rotating shaft 91 is rotatably arranged inside the installation groove 8, and a driving motor for driving the rotating shaft 91 to rotate is arranged inside the installation groove 8. A driving gear 92 is arranged on the outer peripheral wall of the rotating shaft 91.

[0033] In this embodiment, the driving motor is used to drive the rotating shaft 91 to rotate, and then the driving gear 92 is matched with the internal gear ring 5 to achieve the effect of driving the connecting ring 4 to rotate, so as to adjust the distance between the corresponding extension plates 6 of the fixed fixtures 7 in contact with the denture material, and improve the stability of fixing the denture.

[0034] In a further preferred embodiment of the utility model, asFigures 1 - 6 As shown, the positions of the five driving gears 92 respectively correspond to the positions of the five connecting rings 4, and are respectively meshed with the internal gear rings 5 inside the connecting rings 4.

[0035] In this embodiment, by making the driving gears 92 respectively correspond to the positions of the five connecting rings 4, the movements of the connecting rings 4 at each part are independent of each other, so as to improve the flexibility of equipment use.

[0036] In a further preferred embodiment of the present utility model, as Figures 1 - 6 shown, the fixed fixture 7 includes a fixture plate 71 and a fixture rod 72. The fixture plate 71 is fixedly connected to the top end of the extension plate 6. A guide cylinder 73 is arranged at the top end of the fixture plate 71. Positioning brackets 74 are arranged at both ends of the guide cylinder 73, and a driving screw rod 75 is rotatably connected by the two positioning brackets 74 together.

[0037] In this embodiment, the driving screw rod 75 is used to drive the fixture rod 72 to move, and the guide cylinder 73 is used to guide the movement of the fixture rod 72, so that the end of the fixture rod 72 can contact the denture material, so as to achieve the purpose of fixing the denture material by a plurality of fixture rods 72.

[0038] In a further preferred embodiment of the present utility model, as Figures 1 - 6 shown, the fixture rod 72 is slidably arranged inside the guide cylinder 73, and positioning grooves 76 are formed at positions on the outer peripheral wall of the fixture rod 72 corresponding to the positioning brackets 74, and screw grooves in threaded cooperation with the driving screw rod 75 are formed on the inner groove walls of the positioning grooves 76.

[0039] In this embodiment, through the arrangement of the screw grooves, when the driving screw rod 75 rotates, it can push the fixture rod 72 to move, so as to achieve the purpose of controlling the contact between the fixture rod 72 and the material.

[0040] In a further preferred embodiment of the present utility model, as Figures 1 - 6 shown, one end of the fixture rod 72 is provided with a guide platform 77, and a clamping contact head 78 is arranged at the axial center of one end of the guide platform 77.

[0041] In this embodiment, the guide platform 77 is used to connect the clamping contact head 78 with the fixture rod 72, and the clamping contact head can be of various shapes, including but not limited to spherical.

[0042] The embodiments of this specific implementation manner are all preferred embodiments of the present utility model, and do not limit the protection scope of the present utility model accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present utility model should be covered within the protection scope of the present utility model.

Claims

1. An adjustable fixture for a denture engraving machine, characterized in that It includes a bottom plate (1), a guiding shaft (2) is arranged at the upper end of the bottom plate (1), and a positioning plate (3) is arranged at the top end of the guiding shaft (2); A plurality of connecting rings (4) are sleeved on the outer surface of the guiding shaft (2), an internal gear ring (5) is arranged on the inner wall of the inner ring of the connecting ring (4), the diameter of the connecting ring (4) is equal to the diameter of the positioning plate (3), there are five connecting rings (4), and adjacent connecting rings (4) are in contact with each other. Extension plates (6) are arranged on the side walls of the connecting rings (4), and the top surfaces of the extension plates (6) are flush with the top surface of the positioning plate (3). Fixed clamps (7) are arranged at the tops of the extension plates (6); Five groups of mounting grooves (8) are formed on the outer peripheral wall of the guiding shaft (2), and a driving mechanism (9) is arranged inside the mounting grooves (8).

2. The adjustable dental engraving machine fixture according to claim 1, characterized in that The driving mechanism (9) includes a rotating shaft (91), the rotating shaft (91) is rotatably arranged inside the mounting groove (8), and a driving motor for driving the rotating shaft (91) to rotate is arranged inside the mounting groove (8). A driving gear (92) is arranged on the outer peripheral wall of the rotating shaft (91).

3. The adjustable denture engraving machine fixture according to claim 2, wherein, The positions of the five driving gears (92) correspond to the positions of the five connecting rings (4) respectively, and are meshed with the internal gear rings (5) inside the connecting rings (4).

4. An adjustable fixture for a denture engraving machine according to claim 3, wherein, The fixed clamp (7) includes a clamp plate (71) and a clamp rod (72). The clamp plate (71) is fixedly connected to the top of the extension plate (6). A guiding cylinder (73) is arranged at the top of the clamp plate (71). Positioning brackets (74) are arranged at both ends of the guiding cylinder (73), and a driving screw rod (75) is rotatably connected by the two positioning brackets (74) together.

5. The adjustable fixture for a denture engraving machine according to claim 4, characterized in that, The clamp rod (72) is slidably arranged inside the guiding cylinder (73). Positioning grooves (76) are formed at positions corresponding to the positioning brackets (74) on the outer peripheral wall of the clamp rod (72), and screw grooves threadedly matched with the driving screw rod (75) are formed on the inner groove walls of the positioning grooves (76).

6. The adjustable denture engraving machine fixture according to claim 5, wherein One end of the clamp rod (72) is provided with a guiding platform (77), and a clamping contact head (78) is arranged at the center of one end of the guiding platform (77).

Citation Information

Patent Citations

  • Adjustable false tooth carving clamp

    CN219618210U