Forming drill for processing digital bridge

Abstract

The utility model provides a forming drill for digital bridge processing, which comprises a drill body, a connecting part, a drill bit and a drill tail, one end of the drill body is connected to the drill tail, the other end of the drill body is connected to the drill bit through the connecting part, a key groove is arranged outside the drill bit, and the connecting part comprises a first limiting part, a second limiting part and a third limiting part which are of an integrated structure. The end of the drill bit is of a conical structure, and the outer diameter of the end of the drill bit is smaller than that of the third limiting part. According to the forming drill for processing the digital bridge, the size precision and the surface quality of the interface position of the bridge are greatly improved, most importantly, the processing efficiency is unprecedentedly improved, the processing efficiency of the bridge can be saved by 30 minutes, the cost is reduced for a company, the efficiency is improved, and the competitiveness of the company is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oral cavity machinery field, especially is involved in a kind of forming drill for digital bridge processing. BACKGROUND

[0002] Digital implant bridge is more advanced technology in oral implantology, and can be used for half-mouth and full-mouth aesthetic implant restoration. The implant restoration field usually uses composite abutment, bridge, zirconia crown in combination with implant accessories. Digital bridge is made of TC4 material and manufactured by five-axis machining center numerical control equipment. From the analysis of bridge processing position, the processing position can be divided into shoulder platform, implant interface, screw channel and other appearance positions. The implant interface position requires the highest precision and has a long processing time. The traditional processing method is to use a milling cutter to cut layer by layer. Although the conventional milling cutter can quickly switch the processing of bridge interface, the processing efficiency is very low, and the processing tool is easy to wear and needs to be replaced frequently. The cost of tool and labor replacement is high, the utilization rate is low, the product unit manufacturing cost is high, and there is no competitive advantage. SUMMARY

[0003] Therefore, the utility model aims at providing a forming drill for digital bridge processing to solve the problems of low processing efficiency of existing milling cutter for bridge and easy wear of processing tool.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A forming drill for digital bridge processing includes a drill body, a connecting part, a drill bit and a drill tail. One end of the drill body is connected to the drill tail, and the other end is connected to the drill bit through the connecting part. The drill bit is provided with a key groove. The connecting part includes a one-way limiting part, a two-way limiting part and a three-way limiting part in an integral structure, and the outer diameters of the three parts decrease in turn. The end of the drill bit is a conical structure, and the outer diameter is smaller than the outer diameter of the three-way limiting part.

[0006] Further, the one-way limiting part is a circular table structure, the two-way limiting part is a cylindrical structure, and the three-way limiting part is a circular table structure with an arc-shaped outer surface. The drill bit includes an integrally formed cylindrical and conical structure. The heights of the one-way limiting part, the two-way limiting part, the three-way limiting part and the drill bit are in the order of drill bit height > three-way limiting part height > one-way limiting part height > two-way limiting part height.

[0007] Further, the key groove is an arc-shaped groove extending circumferentially from the head of the drill bit to the drill body.

[0008] Further, the key groove is two and centrally symmetric.

[0009] Further, the drill tail is a circular table structure.

[0010] Further, the forming drill is an integral structure.

[0011] Compared with the prior art, the forming drill for digital bridge processing has the following advantages:

[0012] (1) The forming drill for digital bridge processing has the bridge interface position size precision and surface quality greatly improved, and the most important processing efficiency unprecedentedly improved, and the bridge processing efficiency can save 30 minutes, thereby reducing the cost and increasing the efficiency of the company and improving the competitiveness of the company.

[0013] (2) The forming drill for digital bridge processing has the tool wear rate reduced, thereby reducing the tool use cost. DRAWINGS

[0014] The drawings constituting a part of the present application are used to provide a further understanding of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 Fig. 1 is a schematic view of the forming drill for digital bridge processing according to the present application;

[0016] Figure 2 Fig. 2 is a side view of the forming drill for digital bridge processing according to the present application.

[0017] Legend of the drawings:

[0018] 1-drill body; 2-first limiting part; 3-second limiting part; 4-third limiting part; 5-drill head; 6-keyway; 7-drill tail. DETAILED DESCRIPTION

[0019] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0021] In the description of the present application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0022] The utility model will be described in detail below with reference to the drawings and combined with the embodiments.

[0023] The forming drill for digital bridge processing comprises a drill body 1, a first limiting part 2, a second limiting part 3, a third limiting part 4, a drill bit 5, a key groove 6 and a drill tail 7. Figure 1 And Figure 2 As shown in the drawings, the one end of the drill body 1 is connected to the drill tail 7, the other end is connected to the drill bit 5 through the connecting part, the drill bit 5 is externally provided with the key groove 6, the connecting part comprises the first limiting part 2, the second limiting part 3 and the third limiting part 4 in an integral structure, and the outer diameters of the three are successively smaller, the end part of the drill bit 5 is in a conical structure, and the outer diameter is smaller than the outer diameter of the third limiting part 4. The interface position size precision and surface quality of the bridge can be greatly improved by using the forming drill for processing, and the most important processing efficiency is unprecedentedly improved, and the bridge processing efficiency is expected to be saved for 30 minutes by using the new process, thereby reducing the cost and improving the competitiveness of the company. And the wear rate of the tool is reduced, and the tool use cost is reduced.

[0024] The key groove 6 is an arc-shaped groove, which extends from the head of the drill bit 5 to the drill body 1 in a circumferential direction, greatly reduces the area of the end part of the drill bit 5, and improves the working efficiency of the forming drill.

[0025] Preferably, the keyways 6 are two and are centrally symmetrical.

[0026] The first limiting part 2 is a circular table structure, the second limiting part 3 is a cylindrical structure, and the third limiting part 4 is a circular table structure and has an arc-shaped outer surface. The drill bit 5 comprises an integral cylindrical and conical structure. The first limiting part 2, the second limiting part 3, the third limiting part 4 and the drill bit 5 all have a limiting effect, and the heights of the four are in descending order as follows: the height of the drill bit 5, the height of the third limiting part 4, the height of the first limiting part 2, and the height of the second limiting part 3. The above structure enables the forming drill to realize layered milling at one time, greatly improving the working efficiency. The drill tail 7 is a circular table structure.

[0027] The working process of the forming drill for digitalized bridge processing is as follows:

[0028] The forming drill is installed in a five-axis machining center, and the process of the forming drill is automatically grabbed for the brand interface model during layout programming. Compared with the traditional forming drill process, the forming drill of the present application can greatly improve the processing efficiency and save the tool cost for the company.

[0029] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A profiled drill for digital bridge processing, characterized in that: The drill includes a drill body, a connecting part, a drill head and a drill tail, one end of the drill body is connected to the drill tail, the other end is connected to the drill head through the connecting part, the drill head is externally provided with a key groove, the connecting part includes a one-limiting part, a two-limiting part and a three-limiting part in an integral structure, and the outer diameters of the three parts are successively reduced, the end of the drill head is in a conical structure, and the outer diameter is smaller than the outer diameter of the three-limiting part.

2. The profiled drill for digital bridge processing according to claim 1, characterized in that: The one-limiting part is in a circular table structure, the two-limiting part is in a cylindrical structure, and the three-limiting part is in a circular table structure and its outer surface is arc-shaped; the drill head includes an integrally formed cylindrical and conical part, the heights of the one-limiting part, the two-limiting part, the three-limiting part and the drill head are in the order of the height of the drill head > the height of the three-limiting part > the height of the one-limiting part > the height of the two-limiting part.

3. The profiled drill bit for digital bridge processing according to claim 1, characterized in that: The key groove is an arc-shaped groove extending from the head of the drill head to the drill body.

4. The profiled drill bit for digital bridge processing according to claim 1, characterized in that: The key groove is two and the positions are centrally symmetrical.

5. The profiled drill bit for digital bridge processing according to claim 1, characterized in that: The drill tail is in a circular table structure.

6. The profiled drill bit of claim 1, wherein: The drill is in an integral structure.

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