Fixed false tooth bridge positioning structure

Abstract

The utility model discloses a fixed false tooth bridge positioning structure, and particularly relates to the technical field of fixed false tooth bridge processing, the fixed false tooth bridge positioning structure comprises a longitudinal cylinder, the top end of the longitudinal cylinder is provided with a top screw cylinder, the top of the top screw cylinder is movably sleeved with an L-shaped frame, and one end, far away from the top screw cylinder, of the L-shaped frame is rotatably provided with a rotating frame; a positioning piece is fixedly mounted on one side, far away from the L-shaped frame, of the rotating frame, and a fixed false tooth bridge blank is movably clamped in the positioning piece; the positioning piece comprises a positioning outer ring, the positioning outer ring is fixedly installed on the side, away from the L-shaped frame, of the rotating frame, a positioning inner ring is rotationally installed in the positioning outer ring, a positioning seat is fixedly installed on one side of the inner wall of the positioning inner ring, and a positioning block is arranged on the side, away from the positioning seat, of the inner wall of the positioning inner ring. By arranging the positioning piece, the fixed false tooth bridge blank can be mechanically positioned, subsequent grinding machining of the fixed false tooth bridge blank is facilitated, and operators can be prevented from being injured.

Description

Technical Field

[0001] The utility model relates to the technical field of fixed dental bridge processing, in particular to a positioning structure for a fixed dental bridge. Background Technique

[0002] A fixed dental bridge is a dental prosthesis mainly used to replace missing teeth. It forms a continuous structure by fixing one or more false teeth on adjacent natural teeth or dental implants; when a fixed dental bridge is processed, internal and external grinding is required.

[0003] In the traditional technology, when a fixed dental bridge is ground on the inside and outside, it is usually manually clamped to hold the fixed dental bridge, and a grinding machine is used for grinding. During grinding, it is easy to cause damage to the hands of the operator. For this reason, we propose a positioning structure for a fixed dental bridge to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a positioning structure for a fixed dental bridge to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A positioning structure for a fixed dental bridge, including a longitudinal cylinder, a top screw cylinder is provided at the top of the longitudinal cylinder, an L-shaped frame is movably sleeved on the top of the top screw cylinder, a rotating frame is rotatably installed at one end of the L-shaped frame away from the top screw cylinder, a positioning member is fixedly installed on one side of the rotating frame away from the L-shaped frame, and a blank of a fixed dental bridge is movably clamped in the positioning member.

[0006] The positioning member includes a positioning outer ring, the positioning outer ring is fixedly installed on one side of the rotating frame away from the L-shaped frame, a positioning inner ring is rotatably installed in the positioning outer ring, a positioning seat is fixedly installed on one side of the inner wall of the positioning inner ring, a positioning block is provided on the inner wall of the positioning inner ring away from the positioning seat, a telescopic cylinder is fixedly installed on the inner wall of the positioning inner ring close to the positioning block, the driving end of the telescopic cylinder is fixedly installed with the positioning block, and the blank of the fixed dental bridge is movably clamped between the positioning seat and the positioning block.

[0007] Preferably, a toothed ring is fixedly installed on the outer side of the positioning inner ring, the toothed ring is movably clamped in the positioning outer ring, a first cover is fixedly installed on the top of the positioning outer ring, a driving gear is provided in the first cover, the driving gear is meshed with the toothed ring, a driving shaft is fixedly installed in the middle of the driving gear, the driving shaft is rotatably installed on the first cover, and a first motor is fixedly installed on the outer side of the first cover, and the driving end of the first motor is fixedly installed with the end of the driving shaft.

[0008] Preferably, a second cover is fixedly installed on the outer side of the first cover, and the first motor is located in the second cover.

[0009] Preferably, anti-slip pads are fixedly installed on the opposite sides of the positioning seat and the positioning block.

[0010] Preferably, a second motor is fixedly installed on one side of the top end of the L-shaped frame close to the rotating frame, and the driving end of the second motor is fixedly installed with the shaft end of the rotating frame.

[0011] Preferably, a limiting ring is provided on the lower surface of the L-shaped frame. The limiting ring is fixedly installed on the outer side of the top screw cylinder. A fastening nut is threadedly installed on the top of the top screw cylinder, and the lower surface of the fastening nut contacts the upper surface of the L-shaped frame.

[0012] Preferably, a lifting cylinder is fixedly clamped in the vertical cylinder, and the driving end of the lifting cylinder is fixedly installed at the bottom end of the top screw cylinder.

[0013] Preferably, a mounting seat is fixedly installed at the bottom end of the vertical cylinder.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. By providing a positioning member, mechanical positioning of the fixed dental bridge blank can be achieved, which is convenient for subsequent grinding processing of the fixed dental bridge blank and can prevent operators from being injured.

[0016] 2. By providing a positioning member and cooperating with the use of a rotating frame and an L-shaped frame, the fixed dental bridge blank can be driven to rotate in the X-axis, Y-axis, and Z-axis directions, and the positioning angle of the fixed dental bridge blank can be flexibly adjusted, which is convenient for grinding processing of the fixed dental bridge blank at different angles, thereby improving the grinding processing effect of the fixed dental bridge blank. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 It is a schematic structural diagram of the present utility model.

[0019] Figure 2 It is a schematic structural connection diagram after the present utility model is disassembled.

[0020] Figure 3 It is a schematic structural connection diagram of the positioning member in the present utility model.

[0021] In the figure: 1. Vertical cylinder; 11. Lifting cylinder; 12. Mounting seat; 2. Top screw cylinder; 21. Limiting ring; 22. Fastening nut; 3. L-shaped frame; 4. Rotating frame; 41. Second motor; 5. Positioning member; 6. Fixed dental bridge blank; 51. Positioning outer ring; 52. Positioning inner ring; 53. Positioning seat; 531. Anti-slip pad; 54. Positioning block; 541. Telescopic cylinder; 55. Tooth ring; 551. Driving gear; 552. Driving shaft; 56. First cover; 57. First motor; 58. Second cover. Detailed implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Embodiment: As Figures 1-3 shown, the present invention provides a positioning structure for a fixed dental bridge, including a vertical cylinder 1. A top screw cylinder 2 is provided at the top of the vertical cylinder 1. An L-shaped frame 3 is movably sleeved on the top of the top screw cylinder 2. A limiting ring 21 is provided on the lower surface of the L-shaped frame 3. The limiting ring 21 is fixedly installed on the outside of the top screw cylinder 2. A fastening nut 22 is threadedly installed on the top of the top screw cylinder 2. The lower surface of the fastening nut 22 is in contact with the upper surface of the L-shaped frame 3;

[0024] One end of the L-shaped frame 3 away from the top screw cylinder 2 is rotatably installed with a rotating frame 4. A second motor 41 is fixedly installed on one side of the top of the L-shaped frame 3 close to the rotating frame 4. The driving end of the second motor 41 is fixedly installed with the shaft end of the rotating frame 4;

[0025] A positioning member 5 is fixedly installed on one side of the rotating frame 4 away from the L-shaped frame 3. A fixed dental bridge blank 6 is movably clamped in the positioning member 5; A mounting seat 12 is fixedly installed at the bottom end of the vertical cylinder 1. By using the mounting seat 12, the entire positioning structure is installed.

[0026] The positioning member 5 includes a positioning outer ring 51. The positioning outer ring 51 is fixedly installed on the side of the rotating frame 4 away from the L-shaped frame 3. A positioning inner ring 52 is rotatably installed in the positioning outer ring 51. On one side of the inner wall of the positioning inner ring 52, a positioning seat 53 is fixedly installed. On the side of the inner wall of the positioning inner ring 52 away from the positioning seat 53, there is a positioning block 54. On the side of the inner wall of the positioning inner ring 52 close to the positioning block 54, a telescopic cylinder 541 is fixedly installed. The driving end of the telescopic cylinder 541 is fixedly installed with the positioning block 54. Anti-slip pads 531 are fixedly installed on the opposite sides of the positioning seat 53 and the positioning block 54. The fixed dental bridge blank 6 is movably clamped between the positioning seat 53 and the positioning block 54. When in use, the fixed dental bridge blank 6 is placed between the positioning seat 53 and the positioning block 54, and the telescopic cylinder 541 is controlled to extend, driving the positioning block 54 to move towards the side of the positioning seat 53 until the fixed dental bridge blank 6 contacts the anti-slip pad 531, performing mechanical positioning on the fixed dental bridge blank 6, facilitating the subsequent grinding process of the fixed dental bridge blank 6, and preventing operators from being injured.

[0027] On the outside of the positioning inner ring 52, a toothed ring 55 is fixedly installed. The toothed ring 55 is movably clamped in the positioning outer ring 51. On the top of the positioning outer ring 51, a first cover 56 is fixedly installed. A driving gear 551 is arranged in the first cover 56. The driving gear 551 is meshed with the toothed ring 55. In the middle of the driving gear 551, a driving shaft 552 is fixedly installed. The driving shaft 552 is rotatably installed on the first cover 56. On the outside of the first cover 56, a first motor 57 is fixedly installed. The driving end of the first motor 57 is fixedly installed with the end of the driving shaft 552. By controlling the first motor 57 to start, the driving shaft 552 and the driving gear 551 drive the toothed ring 55 to rotate, thereby driving the positioning inner ring 52 to rotate in the positioning outer ring 51, and further driving the fixed dental bridge blank 6 to rotate in the Y-axis direction.

[0028] On the outside of the first cover 56, a second cover 58 is fixedly installed. The first motor 57 is located in the second cover 58. The second cover 58 protects the first motor 57.

[0029] A lifting cylinder 11 is fixedly clamped in the vertical cylinder 1. The driving end of the lifting cylinder 11 is fixedly installed at the bottom end of the top screw cylinder 2. By controlling the lifting cylinder 11 to drive, the top screw cylinder 2 is lifted and lowered, thereby driving the positioned fixed dental bridge blank 6 to be lifted and lowered, adjusting the height position of the fixed dental bridge blank 6.

[0030] Working principle: Place the fixed dental bridge blank 6 between the positioning seat 53 and the positioning block 54, control the telescopic cylinder 541 to extend, drive the positioning block 54 to move towards the side of the positioning seat 53 until the fixed dental bridge blank 6 contacts the anti-slip pad 531, perform mechanical positioning on the fixed dental bridge blank 6, facilitate the subsequent grinding process of the fixed dental bridge blank 6, and prevent operators from being injured;

[0031] Among them, by starting the second motor 41 to drive the positioning member 5 to rotate, thereby driving the fixed dental bridge blank 6 to rotate in the X-axis direction;

[0032] By controlling the start of the first motor 57 to drive the drive shaft 552 and the drive gear 551 to drive the toothed ring 55 to rotate, thereby driving the positioning inner ring 52 to rotate in the positioning outer ring 51, and further driving the fixed dental bridge blank 6 to rotate in the Y-axis direction;

[0033] By rotating the L-shaped frame 3 to drive the fixed dental bridge blank 6 to rotate in the Z-axis direction and fastening with the fastening nut 22;

[0034] In this way, the positioning angle of the fixed dental bridge blank 6 can be flexibly adjusted, which is convenient for grinding the fixed dental bridge blank 6 at different angles, thereby improving the grinding effect of the fixed dental bridge blank 6.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixed dental bridge positioning structure, comprising a longitudinal cylinder (1), characterized in that: At the top of the longitudinal cylinder (1), there is a top screw cylinder (2). A L-shaped frame (3) is movably sleeved on the top of the top screw cylinder (2). At one end of the L-shaped frame (3) away from the top screw cylinder (2), a rotating frame (4) is rotatably installed. On one side of the rotating frame (4) away from the L-shaped frame (3), a positioning member (5) is fixedly installed. A fixed dental bridge blank (6) is movably clamped in the positioning member (5). The positioning member (5) includes a positioning outer ring (51). The positioning outer ring (51) is fixedly installed on one side of the rotating frame (4) away from the L-shaped frame (3). A positioning inner ring (52) is rotatably installed in the positioning outer ring (51). On one side of the inner wall of the positioning inner ring (52), a positioning seat (53) is fixedly installed. On the side of the inner wall of the positioning inner ring (52) away from the positioning seat (53), there is a positioning block (54). On the side of the inner wall of the positioning inner ring (52) close to the positioning block (54), a telescopic cylinder (541) is fixedly installed. The driving end of the telescopic cylinder (541) is fixedly installed with the positioning block (54). The fixed dental bridge blank (6) is movably clamped between the positioning seat (53) and the positioning block (54).

2. The positioning structure of a fixed dental bridge according to claim 1, wherein: On the outer side of the positioning inner ring (52), a toothed ring (55) is fixedly installed. The toothed ring (55) is movably clamped in the positioning outer ring (51). On the top of the positioning outer ring (51), a first cover (56) is fixedly installed. In the first cover (56), there is a driving gear (551). The driving gear (551) is meshed with the toothed ring (55). In the middle of the driving gear (551), a driving shaft (552) is fixedly installed. The driving shaft (552) is rotatably installed on the first cover (56). On the outer side of the first cover (56), a first motor (57) is fixedly installed. The driving end of the first motor (57) is fixedly installed with the end of the driving shaft (552).

3. The positioning structure of a fixed dental bridge according to claim 2, characterized in that: On the outer side of the first cover (56), a second cover (58) is fixedly installed. The first motor (57) is located in the second cover (58).

4. A fixed dental bridge positioning structure according to claim 1, characterized in that: On the opposite sides of the positioning seat (53) and the positioning block (54), anti-slip pads (531) are fixedly installed.

5. A fixed dental bridge positioning structure according to claim 1, characterized in that: On one side of the top of the L-shaped frame (3) close to the rotating frame (4), a second motor (41) is fixedly installed. The driving end of the second motor (41) is fixedly installed with the shaft end of the rotating frame (4).

6. The fixed dental bridge positioning structure according to claim 1, wherein: On the lower surface of the L-shaped frame (3), a limiting ring (21) is provided. The limiting ring (21) is fixedly installed on the outer side of the top screw cylinder (2). On the top of the top screw cylinder (2), a fastening nut (22) is threadedly installed. The lower surface of the fastening nut (22) contacts the upper surface of the L-shaped frame (3).

7. A fixed dental bridge positioning structure according to claim 1, characterized in that: In the longitudinal cylinder (1), a lifting cylinder (11) is fixedly clamped. The driving end of the lifting cylinder (11) is fixedly installed at the bottom end of the top screw cylinder (2).

8. A fixed dental bridge positioning structure according to claim 1, characterized in that: At the bottom end of the longitudinal cylinder (1), a mounting seat (12) is fixedly installed.

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