CN215551216U

CN215551216U - Accurate high strength dental chair steering spindle mould

Info

Publication number: CN215551216U
Application number: CN202121627626.7U
Authority: CN
Inventors: 冷小燕; 王能平
Original assignee: Xiamen Dazao Machinery Co ltd
Current assignee: Xiamen Dazao Machinery Co ltd
Priority date: 2021-07-17
Filing date: 2021-07-17
Publication date: 2022-01-18
Anticipated expiration: 2031-07-17

Abstract

The utility model belongs to the technical field of mechanical dies, and discloses a precise high-strength dental chair steering shaft die which comprises a rotating shaft die, a steering column tube die, a rotating shaft groove die, a turntable die and a fixable bracket die; the rotating shaft die is provided with a shaft rod die and a shaft ball die, the shaft rod die is provided with a shaft rod upper die and a shaft rod lower die, and the shaft ball die is provided with a shaft ball upper die and a shaft ball lower die; the steering column pipe die, the rotating shaft groove die, the turntable die and the fixable support die are divided into an upper die and a lower die; and positioning grooves and positioning columns which are matched with each other are arranged at two ends of the contact surface of the upper mold and the lower mold. According to the utility model, the upper die and the lower die are jointly extruded to form the part, the fineness of the part is improved, the connection between the components is more compact by adopting a mortise and tenon structure, the use of rivets is reduced, the cost is reduced, the hole design of the fixed support can be fixed, and the possibility of connecting the steering shaft with other articles is increased.

Description

Accurate high strength dental chair steering spindle mould

Technical Field

The utility model belongs to the technical field of mechanical molds, and particularly relates to a precise high-strength dental chair steering shaft mold.

Background

At present: with the development of the times, people are more and more interested in the problem of teeth, dentists are more and more increased, and the demand of dental chairs is increased, but the dental chairs are complex in structure and multiple in parts, so that the production cost is high, the production speed is low, and the market supply is short, so that technical researchers begin to adopt molds to produce parts, and simultaneously produce the dental chair parts, thereby reducing the production time and the production cost. In the existing chair types, the chairs can be lifted and rotated very little because there is no member for lifting and rotating the parts. In the rotatable and liftable dental chair, the steering shaft is an important part. The mould of the steering shaft of the existing dental chair is complex in construction, the produced steering shaft is too rough, or the produced steering shaft is too simple and convenient and cannot play the roles of lifting and rotating.

Through the above analysis, the problems and defects of the prior art are as follows:

the existing steering shaft mould is too simple and convenient and not precise enough, and the produced steering shaft has weak function.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a precise high-strength dental chair steering shaft mould.

The utility model is realized in this way, a precise high-strength dental chair steering shaft mould is provided with:

the device comprises a rotating shaft die, a steering column tube die, a rotating shaft groove die, a turntable die and a fixable bracket die;

the rotating shaft die is provided with a shaft rod die and a shaft ball die, the shaft rod die is provided with a shaft rod upper die and a shaft rod lower die, and the shaft ball die is provided with a shaft ball upper die and a shaft ball lower die;

the steering column pipe die, the rotating shaft groove die, the turntable die and the fixable support die are divided into an upper die and a lower die;

and positioning grooves and positioning columns which are matched with each other are arranged at two ends of the contact surface of the upper mold and the lower mold.

Furthermore, the size of the outer ring of the steering groove in the middle of the steering groove die is identical to that of the inner ring of the steering column tube die, and the size of the outer ring of the bottom of the steering column tube is identical to that of the inner ring of the turntable.

Further, a forming column is arranged at the lower end of the upper steering column tube mould of the steering column tube mould, and a forming groove with the diameter larger than that of the forming column is formed in the middle of the lower steering column tube mould of the steering column tube mould.

Furthermore, a positioning column and a positioning groove which are matched with each other are respectively arranged in the middle of the lower end of the forming column and in the middle of the bottom of the forming groove.

Further, but the fixable support upper portion mould lower extreme of fixable support mould is middle to be provided with middle cylinder, the middle cylinder outside is provided with the trompil cylinder that a plurality of equidistance distribute.

Further, the upper end of the upper mold and the bottom end of the lower mold in the rotating shaft mold, the steering column tube mold, the rotating shaft groove mold, the turntable mold and the fixable support mold are provided with fixing plates connected with extrusion equipment.

By combining all the technical schemes, the utility model has the advantages and positive effects that: according to the utility model, the upper die and the lower die are jointly extruded to form the part, so that the fineness of the part is improved. The unique design of component, adopt the mortise and tenon structure with the component connection for it is inseparabler to be connected between component and the component, reduces the use of rivet, reduce cost. The design of the reserved hole of the fixable support increases the possibility that the steering shaft is connected with other objects.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a shaft rod mold provided in an embodiment of the present invention.

Fig. 2 is a schematic structural view of a steering column pipe mold according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a rotating shaft groove mold, a rotating disc mold, a rotating shaft groove and a rotating disc provided in the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a fixable bracket mold and a fixable bracket provided in an embodiment of the present invention.

FIG. 5 is an assembly view of a precision high strength dental chair steering shaft made from the precision high strength dental chair steering shaft mold of the present invention.

In the figure: 1. an upper shaft rod mold; 2. a shaft lever lower part mold; 3. an axle ball upper mold; 4. a mandrel ball lower part die; 5. a shaft lever; 6. a shaft ball; 7. an upper steering column pipe mold; 8. a steering column tube lower mold; 9. a steering column tube; 10. an upper steering groove mold; 11. a steering groove lower mold; 12. a steering groove; 13. a turntable upper mold; 14. a turntable lower mold; 15. a turntable; 16. the upper die of the bracket can be fixed; 17. the lower die of the bracket can be fixed; 18. a bracket can be fixed; 19. a shaft rod forming groove; 20. a positioning column; 21. and (6) positioning a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Aiming at the problems in the prior art, the utility model provides a precise high-strength dental chair steering shaft mould, and the utility model is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the precise and high-strength dental chair steering shaft mold provided by the embodiment of the utility model comprises a rotating shaft mold, a steering column tube mold, a rotating shaft groove mold, a turntable mold and a fixable bracket mold. Wherein the rotating shaft die is provided with a shaft rod die and a shaft ball die. Wherein all the dies are provided with an upper die and a lower die, and the dies form the parts of the rotating rod 5, the axle ball 6, the steering column tube 9, the rotating shaft groove 12, the rotating disc 15 and the fixable bracket 18 by extruding high-strength materials. And the two ends of the contact surface of the upper mold and the lower mold are respectively provided with a positioning groove 21 and a positioning column 20 which are matched with each other.

The outer ring of the steering groove in the middle of the steering groove die in the embodiment of the utility model is matched with the size of the inner ring of the steering column tube die, and the outer ring of the bottom of the steering column tube is matched with the size of the inner ring of the turntable. The lower end of a steering column tube upper part die of the steering column tube die is provided with a forming column, and the middle of a steering column tube lower part die of the steering column tube die is provided with a forming groove with the diameter larger than that of the forming column. And a positioning column and a positioning groove which are matched with each other are respectively arranged in the middle of the lower end of the forming column and in the middle of the bottom of the forming groove. The middle of the lower end of the upper die of the fixable bracket die is provided with a middle cylinder, and the outer side of the middle cylinder is provided with a plurality of perforated cylinders distributed at equal intervals. And fixing plates connected with extrusion equipment are arranged at the upper end of the upper part die and the bottom end of the lower part die in the rotating shaft die, the steering column tube die, the rotating shaft groove die, the turntable die and the fixable support die.

As shown in fig. 5, the molded part of the mold for a steering shaft of a precise and high-strength dental chair provided by the embodiment of the present invention comprises a plurality of rotating rods 5 and a plurality of pivot balls 6, wherein the rotating rods 5 of the upper portion and the rotating rods 5 of the lower portion are connected with the pivot balls 6 through the grooves of the rotating rods 5, and the pivot balls 6 connected with the grooves at the ends of the rotating rods 5 of the lower portion are connected with the pivot grooves 12 through the slots clamped inside the pivot grooves 12. The rotary shaft groove 12 is matched with the inner ring of the steering column tube 9 in size through the outer ring of the rotary shaft groove, the outer ring of the bottom of the steering column tube 9 is matched with the inner ring of the rotary table 15 in size, and the rotary shaft groove and the inner ring are connected in an embedded mode. Wherein the turntable 15 and the fixable support 16 are connected by rivets.

Further, a shaft rod upper die 1 and a shaft rod lower die 2, a shaft ball upper die 3 and a shaft ball lower die 4, a steering column tube upper die 7 and a steering column tube lower die 8, a steering groove upper die 10 and a steering groove lower die 11, a turntable upper die 13 and a turntable lower die 14, a fixable support upper die 16 and a fixable support lower die 17 extrude high-strength materials into a shaft rod 5, a shaft ball 6, a shaft ball, a steel bar, a steel,

Steering column tube 9, steering groove 12, rotary table 15, fixable support 18.

Further, the component connection utilizes the mortise and tenon principle to design the die production, wherein the size of the rotating shaft groove 12 is proper to the size of the inner ring of the steering column tube 9 through the outer ring of the rotating shaft groove, the size of the outer ring of the bottom of the steering column tube 9 is proper to the size of the inner ring of the turntable 15, and the rotating shaft groove and the inner ring are connected in an embedded mode.

Furthermore, the lifting function is realized by utilizing the lever principle. When the dental chair needs to be lifted, the shaft ball 6 of the steering shaft rotates to drive the upper branch shaft lever 5 to rotate against the potential needle, and when the upper branch shaft lever 5 and the lower branch shaft lever 5 form an angle of 180-90 degrees, the dental chair is in a lifting inclined state; when the upper branch shaft lever 5 and the lower branch shaft lever 5 are at 270 DEG to 180 DEG, the dental chair is in a descending state.

Further, when the dental chair needs to rotate, the rotating disc 15 starts to operate to drive the steering shaft tube 9 embedded in the inner ring, and further drives the steering groove 12 and the shaft ball 6 in the groove, and the shaft ball rotates to enable the shaft rod to rotate, so that the dental chair starts to rotate.

When the obtained dental chair needs to be lifted, the shaft ball 6 of the steering shaft rotates to drive the upper branch shaft lever 5 to rotate against the potential needle, and when the upper branch shaft lever 5 and the lower branch shaft lever 5 form an angle of 180-90 degrees, the dental chair is in a lifting inclined state; when the upper branch shaft lever 5 and the lower branch shaft lever 5 are at 270 DEG to 180 DEG, the dental chair is in a descending state. When the dental chair needs to rotate, the rotating disc 15 starts to operate to drive the steering shaft tube 9 embedded in the inner ring and further drive the steering groove 12 and the shaft ball 6 in the groove, the shaft rod also rotates due to the rotation of the shaft ball, and then the dental chair starts to rotate. In the process, the upper shaft ball 6 connected with the upper support bracket 5 is connected with the back part of the dental chair, and the fixable support 18 is fixed on the base of the dental chair through a rivet passing through the hole.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made by those skilled in the art within the technical scope of the present invention disclosed herein, which is within the spirit and principle of the present invention, should be covered by the present invention.

Claims

1. The utility model provides a precision high strength dental chair steering spindle mould which characterized in that, precision high strength dental chair steering spindle mould is provided with:

2. The mold for the steering shaft of the precise and high strength dental chair as claimed in claim 1, wherein the outer ring of the steering groove in the middle of the steering groove mold is matched with the inner ring of the steering column tube mold in size, and the outer ring of the bottom of the steering column tube is matched with the inner ring of the turntable in size.

3. The mold for the steering shaft of a precise and high strength dental chair as claimed in claim 1, wherein the lower end of the upper mold of the steering column tube mold is provided with a forming post, and the middle of the lower mold of the steering column tube mold is provided with a forming groove having a diameter larger than that of the forming post.

4. The mold for the steering shaft of the precise and high-strength dental chair as claimed in claim 3, wherein the middle of the lower end of the forming post and the middle of the bottom of the forming groove are respectively provided with a positioning post and a positioning groove which are matched with each other.

5. The mold for the steering shaft of the precise and high strength dental chair as claimed in claim 1, wherein a middle column is provided in the middle of the lower end of the upper mold of the fixable support mold, and a plurality of opening columns are provided outside the middle column and are distributed equidistantly.

6. The mold for a steering shaft of a precision high strength dental chair according to claim 1, wherein the upper mold upper end and the lower mold bottom end of the spindle mold, the column tube mold, the spindle groove mold, the turntable mold and the fixable bracket mold are provided with fixing plates connected to an extruding apparatus.