CN211277391U - Universal angle head - Google Patents

Abstract

The utility model discloses an universal angle head, it includes: the universal angle head comprises a universal angle head main body, a second main body and a third main body, wherein a first longitudinal angular contact bearing is arranged in the first main body, a transverse angular contact bearing is arranged in the second main body, a second longitudinal angular contact bearing is arranged in the third main body, the first main body and the second main body are connected up and down through the first longitudinal angular contact bearing and the transverse angular contact bearing, the second main body and the third main body are connected left and right through the transverse angular contact bearing and the second longitudinal angular contact bearing, the transverse angular contact bearing and the second longitudinal angular contact bearing are provided with a first gear and a second gear which are mutually meshed, the outer surface of the first main body is provided with a tool changing positioning ring, a positioning fixing component is sleeved on the tool changing positioning ring and comprises a fixing bracket, a positioning pin, a tool changing fixing elastic sheet and a guide pin, an ER output shaft is provided at one side of the third body.

Description

A universal angle head

technical field

The utility model relates to the technical field of angle head design, in particular to a universal angle head.

Background technique

The angle head is a machine tool attachment. After the angle head is installed on the machine tool, the rotation center line of the tool can be processed at an angle with the rotation center line of the spindle. Originating in Europe, it has been widely used in various fields of mechanical processing such as aviation, automobiles, and molds. Using the angle head can increase the processing range and adaptability without changing the structure of the machine tool, so that some processing that is difficult to complete with traditional methods can be realized, and it can reduce the repeated clamping of workpieces and improve the processing accuracy and efficiency. The angle head is mainly used in machining centers, can be installed in the tool magazine, and can be freely converted between the tool magazine and the machine tool spindle.

At present, the angle heads in the prior art still have many shortcomings. First, the angles of most of the angle heads on the market cannot be adjusted. Since the tool magazine and the machine tool spindle need to be integrated, the operating space is relatively small. Narrow, the angle head is very inconvenient to install, which greatly affects the assembly efficiency of the machine tool. Due to the size of the space, it cannot be installed effectively and quickly; secondly, the existing angle heads on the market have poor precision and low work efficiency, which cannot meet the Both the efficiency and the quality of work in modern machining centers demand extremely high operations.

Therefore, the market urgently needs a universal angle head with high precision and low torque, the angle of the ER output shaft can be adjusted arbitrarily, and it is easy to install and use.

Utility model content

The technical problem solved by the utility model is to solve the problems in the prior art, and provides a universal angle head with high precision and small torque, the angle of the ER output shaft can be adjusted arbitrarily, which is convenient for installation and use, and has strong practicability.

In order to solve the above-mentioned technical problem, a kind of technical scheme that the utility model adopts is as follows:

A universal angle head, comprising: a universal angle head main body, the universal angle head main body includes a first main body, a second main body and a third main body, the first main body has a built-in first longitudinal angular contact bearing, The second main body has a built-in transverse angular contact bearing, the third main body has a built-in second longitudinal angular contact bearing, and the first and second main bodies pass up and down through the first longitudinal angular contact bearing and the transverse angular contact bearing. connection, and the second body and the third body are connected left and right through a transverse angular contact bearing and a second longitudinal angular contact bearing, and the transverse angular contact bearing and the second longitudinal angular contact bearing are provided with a first gear and a second Gear, the first gear and the second gear are meshed with each other, the outer surface of the first main body is provided with a tool change positioning ring, and a positioning and fixing assembly is arranged on the tool changing positioning ring, and the positioning and fixing assembly includes a fixing bracket , locating pin, tool changing fixed shrapnel and guide pin, one side of the third main body is provided with an ER output shaft.

As a further elaboration on the above technical solutions:

In the above technical solution, the fixing bracket is sleeved at the tool-changing positioning ring, the positioning pin is fixed on one side of the fixing bracket, the tool-changing fixing shrapnel is sleeved on the upper end of the positioning pin, and the tool changing is fixed An elastic piece is arranged between the shrapnel and the fixing bracket, the guide pin is arranged between the fixing bracket and the tool-changing fixing shrapnel, and an O-ring is sleeved at the connection between the tool-changing locating ring and the first longitudinal angular contact bearing As with the skeleton sealing ring, several sets of fixing screws are arranged between the fixing bracket and the first main body, and the several sets of fixing screws are used to realize the connection and fixation between the fixing bracket and the first main body.

In the above technical solution, a third gear is arranged between the second longitudinal angular contact bearing and the transverse angular contact bearing, and the lower end of the first longitudinal angular contact bearing is connected to the upper end of the transverse angular contact bearing through the third gear Fixed, the first gear is arranged on the left side of the transverse angular contact bearing, the second gear is arranged on the right side of the second longitudinal angular contact bearing, and the right side of the second longitudinal angular contact bearing is connected with the first gear through the first gear. The second gears are arranged on the left side of the lateral angular contact bearing in cooperation with each other for rotation.

In the above technical solution, the upper end of the first body is provided with a handle, and the handle is one of a BT handle, a CAT or an HSK handle.

In the above technical solution, the upper and lower sides of the first longitudinal angular contact bearing are sleeved with a first fixing nut, and the first longitudinal angular contact bearing is fixed on the inner wall of the housing of the first main body through the first fixing nut, The left and right sides of the lateral angular contact bearing are sleeved with a second fixing nut, the lateral angular contact bearing is fixed on the inner wall of the casing of the second main body through the second fixing nut, and the upper and lower sides of the second longitudinal angular contact bearing are A third fixing nut is sleeved on both sides, and the second longitudinal angular contact bearing is fixed on the inner wall of the casing of the third main body through the third fixing nut.

In the above technical solution, the outer shell of the first main body and the outer shell of the second main body are integrally formed.

In the above technical solution, the left side of the first main body is provided with a second main body cap, the upper side of the third main body is provided with a third main body cap, and the ER output shaft is provided on the third main body On the lower side, the ER output shaft is provided with an ER nut.

The beneficial effects of the present invention are as follows: the present invention has a reasonable design and novel structure, and integrates the first main body, the second main body and the third main body. By adopting the structural design of the second main body and the third main body, the third main body is relatively The angle of the second main body can be adjusted freely, which in turn drives the ER output shaft to adjust the angle. The installation is convenient and efficient, which greatly improves the installation speed. The structural design of the bearing, the connection is ingenious, the work is smooth, and its precision is high, the torque is small, and it can be inserted into the tool magazine for automatic tool change. It is suitable for polyhedral workpieces with high machining accuracy requirements and complex shapes. Clamping is difficult, and the main surface machining of the three-axis machining center can improve production efficiency and machining accuracy, reduce the purchase cost of machine tools, and has strong practicability.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

Detailed ways

Below in conjunction with accompanying drawing 1, the present utility model will be described in further detail.

The embodiments described with reference to the accompanying drawings are exemplary, and are intended to explain the present application and should not be construed as a limitation of the present application. In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "top", "bottom", "front", " Rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. The relationship is based on 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 device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore It should not be construed as a limitation on this application. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first" and "second" may expressly or implicitly include one or more of that feature. In the description of this application, "several" and "plurality" mean two or more, unless otherwise expressly and specifically defined. In this application, unless otherwise expressly specified and limited, terms such as "installation", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations. In this application, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include direct contact between the first and second features, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature has a lower level than the second feature.

As shown in FIG. 1, a universal angle head includes: a universal angle head main body 1, the universal angle head main body 1 includes a first main body 2, a second main body 3 and a third main body 4, the The first body 2 has a built-in first longitudinal angular contact bearing 5 , the second body 3 has a built-in transverse angular contact bearing 6 , the third body 4 has a built-in second longitudinal angular contact bearing 7 , and the first body 2 has a built-in transverse angular contact bearing 6 . The second body 3 is connected up and down through the first longitudinal angular contact bearing 5 and the transverse angular contact bearing 6, and the second body 3 and the third body 4 are in contact with the second longitudinal angular contact through the transverse angular contact bearing 6 The bearing 7 is connected left and right. The transverse angular contact bearing 6 and the second longitudinal angular contact bearing 7 are provided with a first gear 8 and a second gear 9. The first gear 8 and the second gear 9 are meshed with each other. The outer surface of the main body 2 is provided with a tool-changing positioning ring 10, and a positioning and fixing assembly is arranged on the tool-changing positioning ring 10. The positioning and fixing assembly includes a fixing bracket 11, a positioning pin 12, a tool-changing fixing elastic piece 13 and a guide pin 14. , an ER output shaft 15 is provided on one side of the third main body 4 .

As a further improvement of the present invention, the fixing bracket 11 is sleeved on the tool changing positioning ring 10 , the positioning pin 12 is fixed on one side of the fixing bracket 11 , and the tool changing fixing elastic piece 13 is sleeved on the positioning pin 12 At the upper end of the blade, an elastic member 16 is arranged between the blade-changing fixing elastic piece 13 and the fixing bracket 11 , the guide pin 14 is arranged between the fixing bracket 11 and the blade-changing fixing elastic piece 13 , and the blade-changing positioning ring 10 is connected to the upper end of the blade. An O-ring 17 and a skeleton sealing ring 18 are sleeved at the connection of the first longitudinal angular contact bearing 5 , and several sets of fixing screws 19 are arranged between the fixing bracket 11 and the first main body 2 . The several sets of fixing screws 19 It is used to realize the connection and fixation between the fixing bracket 11 and the first main body 2 .

As a further improvement of the present invention, a third gear 20 is provided between the second longitudinal angular contact bearing 7 and the transverse angular contact bearing 6 , and the lower end of the first longitudinal angular contact bearing 5 is connected to the transverse angular contact through the third gear 20 . The upper ends of the angular contact bearings 6 are connected and fixed, the first gear 8 is arranged on the left side of the transverse angular contact bearing 6, the second gear 9 is arranged on the right side of the second longitudinal angular contact bearing 7, and the second gear The right side of the longitudinal angular contact bearing 7 is rotatably arranged on the left side of the transverse angular contact bearing 6 through the mutual cooperation of the first gear 8 and the second gear 9 .

As a further improvement of the present invention, the upper end of the first main body 2 is provided with a handle 21, and the handle 21 is one of BT handle, CAT or HSK handle.

As a further improvement of the present invention, the upper and lower sides of the first longitudinal angular contact bearing 5 are sleeved with first fixing nuts 22 , and the first longitudinal angular contact bearing 5 is fixed to the first longitudinal angular contact bearing 5 through the first fixing nut 22 On the inner wall of the casing of the main body 2, the left and right sides of the lateral angular contact bearing 6 are sleeved with second fixing nuts 23, and the lateral angular contact bearing 6 is fixed to the inner wall of the casing of the second main body 3 through the second fixing nuts 23. The upper and lower sides of the second longitudinal angular contact bearing 7 are sleeved with a third fixing nut 24 , and the second longitudinal angular contact bearing 7 is fixed on the inner wall of the casing of the third main body 4 through the third fixing nut 24 .

As a further improvement of the present invention, the outer shell of the first main body 2 and the outer shell of the second main body 3 are integrally formed.

As a further improvement of the present invention, the left side of the first main body 2 is provided with a second main body cap 25, the upper side of the third main body 4 is provided with a third main body cap 26, and the ER output shaft The ER nut 27 is provided on the ER output shaft 15 .

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (7)

1. A universal angle head, comprising: a universal angle head main body, wherein the universal angle head main body comprises a first main body, a second main body and a third main body, and the first main body has a built-in A longitudinal angular contact bearing, the second body has a built-in transverse angular contact bearing, the third body has a built-in second longitudinal angular contact bearing, and the first longitudinal angular contact bearing is passed between the first body and the second body It is connected up and down with the transverse angular contact bearing, and the second body and the third body are connected left and right with the second longitudinal angular contact bearing through the transverse angular contact bearing, and the transverse angular contact bearing and the second longitudinal angular contact bearing are provided with The first gear and the second gear, the first gear and the second gear are meshed with each other, the outer surface of the first main body is provided with a tool-changing positioning ring, and a positioning and fixing assembly is arranged on the tool-changing positioning ring. The positioning and fixing component includes a fixing bracket, a positioning pin, a tool-changing fixing elastic piece and a guide pin, and an ER output shaft is arranged on one side of the third main body. 2 . The universal angle head according to claim 1 , wherein the fixed bracket is sleeved at the tool-changing positioning ring, the positioning pin is fixed on one side of the fixed bracket, and the tool-changing is fixed. 3 . The shrapnel sleeve is arranged on the upper end of the positioning pin, an elastic piece is arranged between the tool-changing fixing shrapnel and the fixing bracket, the guide pin is arranged between the fixing bracket and the tool-changing fixing shrapnel, and the tool-changing locating ring is connected to the first A longitudinal angular contact bearing connection is sleeved with an O-ring and a skeleton sealing ring, and several sets of fixing screws are arranged between the fixing bracket and the first main body, and the several sets of fixing screws are used to realize the connection between the fixing bracket and the first main body. The connection between the bodies is fixed. 3 . The universal angle head according to claim 1 , wherein a third gear is arranged between the second longitudinal angular contact bearing and the transverse angular contact bearing, and the first longitudinal angular contact bearing The lower end is connected and fixed with the upper end of the transverse angular contact bearing through a third gear, the first gear is arranged on the left side of the transverse angular contact bearing, the second gear is arranged on the right side of the second longitudinal angular contact bearing, and the The right side of the second longitudinal angular contact bearing is rotatably arranged on the left side of the transverse angular contact bearing through the mutual cooperation between the first gear and the second gear. 4 . The universal angle head according to claim 1 , wherein the upper end of the first main body is provided with a handle, and the handle is one of a BT handle, a CAT handle or an HSK handle. 5 . 5 . The universal angle head according to claim 1 , wherein the upper and lower sides of the first longitudinal angular contact bearing are sleeved with first fixing nuts, and the first longitudinal angular contact bearing passes through the The first fixing nut is fixed on the inner wall of the casing of the first body, the left and right sides of the lateral angular contact bearing are sleeved with second fixing nuts, and the lateral angular contact bearing is fixed on the second body through the second fixing nut. On the inner wall of the casing, the upper and lower sides of the second longitudinal angular contact bearing are sleeved with a third fixing nut, and the second longitudinal angular contact bearing is fixed on the inner wall of the casing of the third main body through the third fixing nut. 6 . The universal angle head according to claim 1 , wherein the shell of the first body and the shell of the second body are integrally formed. 7 . 7 . The universal angle head according to claim 1 , wherein a second main body cap is provided on the left side of the first main body, and a third main body is provided on the upper side of the third main body. 8 . A cap, the ER output shaft is arranged on the lower side of the third main body, and the ER output shaft is provided with an ER nut.

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