CN215787004U

CN215787004U - Combined tool convenient to process

Info

Publication number: CN215787004U
Application number: CN202122423330.XU
Authority: CN
Inventors: 赖永良; 马鸣
Original assignee: Chengdu Oupolang Precision Tools Co ltd
Current assignee: Chengdu Oupolang Precision Tools Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-02-11
Anticipated expiration: 2031-10-08

Abstract

The utility model relates to the technical field of machining equipment, and provides a combined cutter convenient to machine, which comprises a cutter shaft, wherein a plurality of milling cutter discs which are axially fixed are arranged on the cutter shaft, polygonal grooves are respectively arranged on two surfaces of each milling cutter disc, a positioning block is arranged between every two adjacent milling cutter discs, and two end surfaces of each positioning block are respectively arranged in the polygonal grooves of the adjacent milling cutter discs and are completely attached to each other; the milling cutter head is matched with the polygonal grooves to realize one-time forming operation, and the distance between the adjacent milling cutter heads is adjusted through different positioning blocks, so that the milling cutter head meets the machining requirement and saves the equipment cost.

Description

Combined tool convenient to process

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a combined cutter convenient to machine.

Background

In the field of machining, a cutter is often needed to process a product, in the process of processing some steel plates with combined angles, different cutters are needed to process steel plates with different sizes and different angles, and the cutter needs to be changed for multiple times, so that the processing efficiency is reduced, in the process of changing the cutter, the accuracy of changing the cutter can be mastered by skilled workers, the processing quality of the product is ensured, and the whole process is labor-consuming; therefore, the applicant proposes a combined tool, and also carries out certain patent document search at the same time, and obtains the following patent documents with the application numbers: CN202020112708.7, which discloses a new type of combined formed milling cutter, wherein the combination of the cutters is completed through the cross-shaped grooves between adjacent milling cutters, and the one-time processing is completed; however, in the process of tool assembly, the practical situation requires that the distance between the milling tools is variable and is somewhat much larger than the thickness of the milling tools, and the fixation by the grooves between adjacent milling tools is not reasonable, and the material is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combined cutter convenient to machine, which realizes one-step forming operation by matching a plurality of milling cutter discs with polygonal grooves, and adjusts the distance between adjacent milling cutter discs through different positioning blocks, so that the combined cutter meets the machining requirement and saves the equipment cost.

The embodiment of the utility model is realized by the following technical scheme: the utility model provides a gang tool convenient to processing, includes the arbor, is equipped with a plurality of axial fixity's facing cutter on the arbor, and the both sides of facing cutter are equipped with polygonal groove respectively, are equipped with the locating piece between the adjacent facing cutter, and the both ends face of locating piece sets up respectively in the polygonal groove of adjacent facing cutter and both are laminated completely.

Furthermore, the positioning block is axially fixed on the cutter shaft.

Furthermore, an auxiliary milling cutter disc is arranged on the circumferential side of the positioning block, and the thickness of the auxiliary milling cutter disc is smaller than that of the positioning block.

Further, the fixed bottom plate that is equipped with of one end of arbor, along the projection of the axis direction of arbor, the projection area of bottom plate is greater than the area in polygonal groove, and the other end of arbor is equipped with the retaining member, and the retaining member is used for locking milling cutter dish, and the arbor still is equipped with the connector that is used for connecting the lathe in the one end that is equipped with the retaining member.

Furthermore, one end of the cutter shaft, which is far away from the locking piece, is also provided with a connecting part for connecting a drilling and milling cutter.

Further, the connection portion includes:

the fixing piece is fixedly connected to the end part of the cutter shaft, a placing groove is formed in one end of the fixing piece, and the placing groove and the axis of the cutter shaft are arranged in a collinear mode; the axis of the cutter shaft is taken as a rotating shaft, a plurality of adjusting grooves are further arranged between the placing groove and the outer wall of the fixing piece, a spring and a pressing rod are arranged in each adjusting groove, a first end of the pressing rod extends out of the adjusting groove and is arranged outside the fixing piece, a second end of the pressing rod extends out of the adjusting groove and is arranged in the placing groove, a limiting plate is arranged in the middle of the pressing rod, the spring is arranged between the limiting plate and the adjusting groove, and the pressing rod originally arranged in the placing groove is drawn out of the placing groove under the action of the spring;

the locking part is a sleeve, the inner surface of the locking part is provided with a cambered surface, the distances from the head to the tail of the cambered surface to the axis of the cutter shaft are sequentially increased, the locking part is provided with an internal thread at the position where the shortest distance from the cambered surface to the axis of the cutter shaft is, and the surface of the fixing part is provided with an external thread meshed with the internal thread;

one end of the pressure lever is abutted against the cambered surface, and the distance difference from the head to the tail of the cambered surface to the axis of the cutter shaft is greater than the movement length of the pressure lever in the adjusting groove;

the bottom of the drill milling cutter is provided with a positioning hole for placing the pressing rod.

Furthermore, the locking piece is further arranged and close to one end, farthest from the axis of the cutter shaft, of the cambered surface, the outer surface of the fixing piece is sleeved with the locking piece through a sleeve, and the locking piece is meshed with the fixing piece through threads.

Furthermore, the pressure lever is arranged perpendicular to the axis of the cutter shaft.

Furthermore, the circumference of the adjusting groove is uniformly distributed on the axial ring side of the cutter shaft.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects: the milling cutter has the advantages that the operation of one-step forming is realized by matching the plurality of milling cutter discs with the polygonal grooves, and in addition, the distance between the adjacent milling cutter discs is adjusted through different positioning blocks, so that the milling cutter meets the machining requirement and saves the equipment cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a combined cutting tool convenient for machining according to the present invention;

FIG. 2 is a schematic top view of a milling cutter head of a convenient-to-machine cluster tool provided in accordance with the present invention;

FIG. 3 is a schematic top view of another milling cutter head for a convenient-to-machine cluster tool provided in accordance with the present invention;

FIG. 4 is a schematic view of the connection portion of the combined tool for easy machining according to the present invention;

FIG. 5 is a schematic structural diagram of a connecting portion of a combined cutting tool convenient for machining according to the present invention;

icon: 1-cutter shaft, 2-milling cutter disc, 3-polygonal groove, 4-positioning block, 5-auxiliary milling cutter disc, 6-locking component, 7-bottom plate, 8-connector, 9-connecting part, 94-drilling milling cutter, 91-fixing part, 92-locking part, 93-placing groove, 95-adjusting groove, 96-pressing rod, 961-limiting plate, 97-spring, 98-positioning hole, 99-cambered surface and 100-locking part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1-3, a combined cutting tool convenient for machining includes a cutter shaft 1, and a plurality of milling cutter discs 2 axially fixed on the cutter shaft 1, which are fixed and placed in the prior art, and will not be described herein.

Polygonal grooves 3 are respectively formed in two surfaces of each milling cutter disc 2, the shapes of the polygonal grooves 3 are not limited, as shown in fig. 2 or 3, a positioning block 4 is arranged between every two adjacent milling cutter discs 2, two end surfaces of each positioning block 4 are respectively arranged in the polygonal grooves 3 of the adjacent milling cutter discs 2, and the two end surfaces are completely attached to each other; the fixing among a plurality of milling cutter discs 2 and the adjustment of the distance among different milling cutter discs 2 are met through the matching of the polygonal grooves 3 and the positioning blocks 4, so that the material is saved, and the machining requirements are met; in the present embodiment, the mode of fixing the plurality of milling cutter discs 2 to the cutter shaft 1 may be conventional, for example, a mode of screw connection, or a mode of interference fit, and of course, the following settings may be adopted: the special milling cutter comprises a cutter shaft 1, wherein a bottom plate 7 is fixedly arranged at one end of the cutter shaft 1, the projection along the axial direction of the cutter shaft 1 is larger than the area of a polygonal groove 3 in projection, a locking assembly 6 is arranged at the other end of the cutter shaft 1, the locking assembly 6 is used for locking a milling cutter disc 2, a connector 8 used for being connected with a machine tool is further arranged at one end, provided with the locking assembly 6, of the cutter shaft 1, the locking assembly 6 is fixed on the cutter shaft 1 in a threaded fit mode, and the purpose that the area of the bottom plate 7 is larger than the area of the polygonal groove 3 is also to guarantee the contact effectiveness.

Further, in some embodiments, the positioning block 4 is axially fixed on the cutter shaft 1 and also rotates along with the cutter shaft 1, at this time, in some embodiments, an auxiliary milling cutter disc 52 is disposed around the positioning block 4, and the thickness of the auxiliary milling cutter disc 52 is smaller than that of the positioning block 4; that is to say, the secondary milling cutter disc 52 can also process the product, and the secondary milling cutter disc 52 also functions to adjust the distance between the milling cutter discs 2.

Further, in some embodiments, a drill mill 94 is further provided, the drill mill 94 is connected to one end of the arbor 1 through a connecting portion 9, and specifically, the connecting portion 9 includes: a fixing member 91 and a locking member 92.

As shown in fig. 4-5, the fixing member 91 is fixedly connected to the end of the arbor 1, and a placement groove 93 is formed at one end of the fixing member 91, and the placement groove 93 is arranged in line with the axis of the arbor 1; the axis of the cutter shaft 1 is taken as a rotating shaft, a plurality of adjusting grooves 95 are further arranged between the placing groove 93 and the outer wall of the fixing piece 91, the circumferences of the adjusting grooves 95 are uniformly distributed on the annular side of the axis of the cutter shaft 1, a spring 97 and a pressure lever 96 are arranged in each adjusting groove 95, the pressure lever 96 is arranged perpendicular to the axis of the cutter shaft 1, the first end of the pressure lever 96 extends out of the adjusting groove 95 and is arranged outside the fixing piece 91, the second end of the pressure lever 96 extends out of the adjusting groove 95 and is arranged in the placing groove 93, a limit plate 961 is arranged in the middle of the pressure lever 96, the spring 97 is arranged between the limit plate 961 and the adjusting groove 95, and the pressure lever 96 originally arranged in the placing groove 93 is pulled out of the placing groove 93 under the action of the spring 97; the locking member 92 is a sleeve, the inner surface of the locking member 92 is provided with an arc surface 99, the distances from the head to the tail of the arc surface 99 to the axis of the cutter shaft 1 are sequentially increased, the locking member 92 is provided with an internal thread at the position where the shortest distance from the arc surface 99 to the axis of the cutter shaft 1 is provided, and the surface of the fixing member 91 is provided with an external thread meshed with the internal thread; one end of the pressure lever 96 is abutted against the arc surface 99, and the distance difference from the arc surface 99 to the axis of the cutter shaft 1 is greater than the movement length of the pressure lever 96 in the adjusting groove 95; the bottom end of the drill milling cutter 94 is provided with a positioning hole 98, the positioning hole 98 is used for placing a pressing rod 96, and the pressing rod 96 is arranged perpendicular to the axis of the cutter shaft 1. The working principle is as follows: initial state of the pressing lever 96: under the action of the spring 97, one end of the pressure lever 96 is in contact with the position, at the farthest end of the arc surface 99 away from the axis of the cutter shaft 1, of the other end of the pressure lever 96, the other end of the pressure lever 96 retreats from the placing groove 93, at the moment, the placing groove 93 is a cylindrical groove, one end, provided with the positioning hole 98, of the drill milling cutter 94 is placed into the placing groove 93, then the locking piece 92 is rotated, and as the distance between the arc surface 99 and the axis of the cutter shaft 1 is closer and closer, the pressure lever 96 is driven to approach the axis of the cutter shaft 1, so that the pressure lever 96 is inserted into the positioning hole 98, the positioning hole 98 is fixed, and the drill milling cutter 94 is fixed; when the cutter shaft 1 is rotated, the drilling and milling cutter 94 can work; in addition, because the locking member 92 can rotate along with the arbor 1, the possibility of loosening can occur, at this time, a locking member 100 is further provided, the locking member 100 is close to one end of the cambered surface 99, which is farthest from the axis of the arbor 1, the locking member 100 is a sleeve and is sleeved on the outer surface of the fixing member 91, and the locking member 100 is in threaded engagement with the fixing member 91; when the locking member 92 moves in place, the locking member 100 is rotated to fix the locking member 92 for the second time, thereby ensuring the processing effectiveness.

The connection between the fixing portion and the arbor 1 is not limited, and may be a bolt connection or another fixing method known to those skilled in the art.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a gang tool convenient to processing, includes arbor (1), its characterized in that: the milling cutter is characterized in that a plurality of axially fixed milling cutter discs (2) are arranged on the cutter shaft (1), polygonal grooves (3) are formed in two surfaces of each milling cutter disc (2) respectively, positioning blocks (4) are arranged between the milling cutter discs (2) and adjacent to each other, two end faces of each positioning block (4) are arranged in the polygonal grooves (3) of the adjacent milling cutter discs (2) respectively, and the two end faces are completely attached to each other.

2. Combined tool for facilitating machining according to claim 1, characterized in that the positioning block (4) is axially fixed on the arbor (1).

3. The combined cutting tool facilitating machining according to claim 2, characterized in that an auxiliary milling cutter disc (5) is provided around the circumference of the positioning block (4), and the thickness of the auxiliary milling cutter disc (5) is smaller than that of the positioning block (4).

4. The combined cutting tool convenient for machining according to any one of claims 1-3, characterized in that a bottom plate (7) is fixedly arranged at one end of the cutter shaft (1), the projection area of the bottom plate (7) is larger than the area of the polygonal groove (3) along the projection of the cutter shaft (1) in the axial direction, a locking component (6) is arranged at the other end of the cutter shaft (1), the locking component (6) is used for locking the milling cutter head (2), and a connector (8) used for connecting a machine tool is further arranged at one end of the cutter shaft (1) provided with the locking component (6).

5. Combined tool for facilitating machining according to claim 4, characterized in that the end of the arbor (1) remote from the locking assembly (6) is further provided with a connecting portion (9) for connecting a drill-mill cutter.

6. Combined tool facilitating machining according to claim 5, characterised in that the connecting part (9) comprises: the fixing piece (91) is fixedly connected to the end of the cutter shaft (1), a placing groove (93) is formed in one end of the fixing piece (91), and the placing groove (93) and the axis of the cutter shaft (1) are arranged in a collinear mode; the axis of the cutter shaft (1) is taken as a rotating shaft, a plurality of adjusting grooves (95) are further arranged between the placing groove (93) and the outer wall of the fixing piece (91), a spring (97) and a pressure lever (96) are arranged in each adjusting groove (95), the first end of the pressure lever (96) extends out of the adjusting groove (95) and is arranged outside the fixing piece (91), the second end of the pressure lever (96) extends out of the adjusting groove (95) and is arranged in the placing groove (93), a limiting plate (961) is arranged in the middle of the pressure lever (96), the spring (97) is arranged between the limiting plate (961) and the adjusting groove (95), and the pressure lever (96) originally arranged in the placing groove (93) is pulled out of the placing groove (93) under the action of the spring (97); the locking piece (92) is a sleeve, an arc surface (99) is arranged on the inner surface of the locking piece (92), the distances from the head to the tail of the arc surface (99) to the axis of the cutter shaft (1) are sequentially increased, an internal thread is arranged on the shortest distance between the arc surface (99) and the axis of the cutter shaft (1) of the locking piece (92), and an external thread meshed with the internal thread is arranged on the surface of the fixing piece (91); one end of the pressure lever (96) is abutted to the arc surface (99), and the distance difference from the head to the tail of the arc surface (99) to the axis of the cutter shaft (1) is greater than the movement length of the pressure lever (96) in the adjusting groove (95); the bottom end of the drilling and milling cutter (94) is provided with a positioning hole (98), and the positioning hole (98) is used for placing the pressing rod (96).

7. The combined cutting tool convenient for machining as claimed in claim 6, characterized in that a locking member (100) is further provided, the locking member (100) is close to the end of the arc surface (99) farthest from the axis of the cutter shaft (1), the locking member (100) is sleeved on the outer surface of the fixing member (91), and the locking member (100) is in threaded engagement with the fixing member (91).

8. Combined tool for facilitating machining according to any of the claims 6 or 7, characterized in that the press rod (96) is arranged perpendicular to the axis of the arbor (1).

9. Combined tool for facilitating machining according to any of the claims 6 or 7, characterised in that the adjustment grooves (95) are evenly distributed circumferentially on the side of the axis ring of the arbor (1).