CN212168988U

CN212168988U - Fine boring cutter with replaceable cutter head

Info

Publication number: CN212168988U
Application number: CN202020933102.XU
Authority: CN
Inventors: 李红谊
Original assignee: Hangzhou Zhuoxin Machinery Manufacturing Co ltd
Current assignee: Hangzhou Zhuoxin Machinery Manufacturing Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-12-18
Anticipated expiration: 2030-05-28

Abstract

The utility model provides a smart boring cutter of removable tool bit belongs to smart boring cutter technical field. This smart boring cutter of removable tool bit includes blade holder subassembly and cutter body subassembly, the blade holder subassembly includes connecting block and support frame, the support frame sets up in the lower part of connecting block, the lateral part of support frame is rotated and is installed the three-jaw chuck, the motor body is installed to the lateral part of support frame, the output of motor body links to each other with a three-jaw chuck transmission, the cutter body subassembly includes the back shaft, the supporting disk, the connecting piece, boring bar and tool bit, the back shaft is installed in the lateral part of three-jaw chuck, the outside of back shaft is located to the supporting disk cover, connecting piece annular array sets up in the lateral part of supporting disk, the boring bar is. The utility model discloses can utilize the operation of motor body to drive the rotation of three-jaw chuck at the lateral part installation polytype boring bar and the tool bit of back shaft, can change different tool bits, facilitate the use.

Description

Fine boring cutter with replaceable cutter head

Technical Field

The utility model relates to a boring tool technical field particularly, relates to a boring tool of removable tool bit.

Background

The fine boring cutter is used as one kind of machining cutter, and has inner hole machining, reaming, copying and other features.

Adopt foretell mode, still need the manual work to dismantle corresponding module at every turn, then change new module, just can accomplish the change of tool bit, compare in the tool bit change mode before, though convenient a lot of, still need manual operation, be unfavorable for the use.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a smart boring cutter of removable tool bit aims at current smart boring cutter tool bit change difficulty, is unfavorable for the problem of use.

The utility model discloses a realize like this:

the utility model provides a smart boring cutter of removable tool bit, including blade holder subassembly and cutter body subassembly.

The cutter holder assembly comprises a connecting block and a supporting frame, the supporting frame is arranged on the lower portion of the connecting block, a three-jaw chuck is rotatably arranged on the lateral portion of the supporting frame, a motor body is arranged on the lateral portion of the supporting frame, the output end of the motor body is in transmission connection with one three-jaw chuck, the cutter body assembly comprises a supporting shaft, a supporting plate, a connecting piece, a boring rod and a cutter head, the supporting shaft is arranged between the three-jaw chucks, the supporting plate is sleeved on the outer side of the supporting shaft, the connecting piece is arranged on the lateral portion of the supporting plate in an annular array mode, the boring rod is arranged on the lateral portion of the connecting piece.

In an embodiment of the present invention, the mounting hole is opened at a side portion of the connecting block, and the reinforcing rib is disposed between a lower portion of the connecting block and the supporting frame.

In an embodiment of the present invention, the supporting frame includes a first supporting plate and a second supporting plate, the first supporting plate is disposed at a lower portion of the connecting block, the second supporting plate is disposed at a lower portion of the connecting block, and the first supporting plate and the second supporting plate are disposed relatively.

In an embodiment of the utility model, this removable tool bit's boring tool still includes fixed subassembly, fixed subassembly includes fixed disk, connecting plate, electric putter and fixed column, the fixed disk install in one the lateral part of three-jaw chuck, the slotted hole has been seted up to the lateral part of fixed disk, the connecting plate install in the lateral part of second backup pad, electric putter install in the lateral part of connecting plate, the fixed column install in electric putter's output.

In an embodiment of the present invention, the fixing column and the slot are disposed oppositely, and a cross-sectional shape of the fixing column is the same as a cross-sectional shape of the slot.

In an embodiment of the present invention, the slots are arranged in an annular array relative to the center of the fixed plate, the number of the slots is at least four, and the number of the slots is the same as the number of the fixed columns.

In an embodiment of the present invention, the center point of the supporting shaft and the center point of the supporting plate are the same point, and the extension line of the connecting block center line passes through the center point of the supporting shaft.

In an embodiment of the utility model, the connecting piece includes the sword piece, the sword piece inserts the inboard of supporting disk, the sword piece with pass through bolt fastening between the supporting disk, the lateral part of sword piece with the boring bar links to each other.

The utility model discloses an in the embodiment, the lateral part of supporting disk seted up with sword piece complex sword square groove, the supporting disk closes on the lateral part in sword square groove has seted up the bolt hole.

In an embodiment of the utility model, the lateral part of boring bar with the lateral part of sword piece is connected with first bracing, the lateral part of boring bar with the lateral part of tool bit is connected with the second bracing.

The utility model has the advantages that: the utility model discloses a smart boring cutter of removable tool bit that above-mentioned design obtained, during the use, be connected connecting block and lathe, and connect and fix boring bar and tool bit through the connecting piece, then fix the back shaft between the three-jaw chuck, the operation through the motor body can drive the rotation of three-jaw chuck, and then make the position of tool bit obtain the adjustment, it is coaxial with the central line of connecting block to make the central line of waiting to use the tool bit, change the tool bit, avoided current pull down the tool bit and just can change the tool bit, make things convenient for workman's operation and use more.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required 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 sectional structure view of a replaceable-bit fine boring tool according to an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a part a in fig. 1 of a fine boring tool with a replaceable tool bit according to an embodiment of the present invention;

fig. 3 is a schematic structural section view of a support plate and a cutter body part of a finishing boring cutter with a replaceable cutter head according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a fixed disk portion of a replaceable-bit fine boring tool according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a fixing column part of the fine boring tool with a replaceable tool bit provided by the embodiment of the present invention.

In the figure: 100-a tool holder assembly; 110-connecting block; 111-mounting holes; 112-reinforcing ribs; 120-a support frame; 121-a first support plate; 122 — a second support plate; 130-three jaw chuck; 140-a motor body; 200-a cutter body assembly; 210-supporting a shaft; 220-a support disk; 221-square groove of knife; 222-bolt hole; 230-a connector; 231-a cutter block; 240-boring bar; 241-a first diagonal brace; 242-a second diagonal brace; 250-a cutter head; 300-a stationary component; 310-fixed disk; 320-a connecting plate; 330-electric push rod; 340-fixed columns; 350-slotted hole.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do 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 should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a fine boring cutter with replaceable cutter head comprises a cutter seat assembly 100 and a cutter body assembly 200, wherein the cutter body assembly 200 is installed on the side portion of the cutter seat assembly 100, the cutter seat assembly 100 is used for supporting the cutter body assembly 200 on one hand, and is connected with a machine tool on the other hand, and the cutter body assembly 200 is used for replacing the cutter head conveniently.

Referring to fig. 1, 2 and 3, the tool apron assembly 100 includes a connecting block 110 and a supporting frame 120, the supporting frame 120 is disposed at a lower portion of the connecting block 110, the connecting block 110 and the supporting frame 120 are integrated, a three-jaw chuck 130 is rotatably mounted at a side portion of the supporting frame 120 through a bearing, a motor body 140 is mounted at a side portion of the supporting frame 120 through a motor base, the motor body 140 is a stepping motor, an output end of the motor body 140 is in transmission connection with one of the three-jaw chuck 130, in this embodiment, a mounting hole 111 is formed at a side portion of the connecting block 110, the mounting hole 111 is conveniently connected and fixed to a machine tool by an external bolt, a reinforcing rib 112 is disposed between a lower portion of the connecting block 110 and the supporting frame 120, the reinforcing rib 112 is used for reinforcing connection strength between the connecting block 110 and the supporting frame 120, the supporting frame 120 includes, the second supporting plate 122 is disposed at the lower portion of the connecting block 110, the first supporting plate 121 and the second supporting plate 122 are disposed oppositely, and the common section of the first supporting plate 121 and the second supporting plate 122 is disposed in an inverted U shape, so as to provide a space for subsequently installing the cutter body assembly 200.

Referring to fig. 1, 2 and 3, the cutter body assembly 200 includes a support shaft 210, a support plate 220, a connection member 230, a boring bar 240 and a cutter head 250, the support shaft 210 is installed between the three-jaw chucks 130, the support plate 220 is sleeved outside the support shaft 210, a center point of the support shaft 210 is identical to a center point of the support plate 220, an extension line of a center line of the connection block 110 passes through the center point of the support shaft 210, so that the possibility of deflection is reduced during subsequent rotation, the connection member 230 is annularly arranged at a side portion of the support plate 220, the boring bar 240 is installed at a side portion of the connection member 230, the cutter head 250 is installed at a side portion of the boring bar 240 through a bolt, in this embodiment, the connection member 230 includes a cutter block 231, the cutter block 231 is inserted into the support plate 220, the cutter block 231 is arranged in a bar shape, the cutter block 231 is fixed to the support plate 220 through a bolt, the, the lateral part of supporting disk 220 is seted up with the sword square groove 221 of sword piece 231 complex, the lateral part of supporting disk 220 near sword square groove 221 has seted up bolt hole 222, the lateral part of boring bar 240 and the lateral part of sword piece 231 have first bracing 241 through bolted connection, the lateral part of boring bar 240 and the lateral part of tool bit 250 have second bracing 242 through bolted connection, during the specific use, sword piece 231 inserts the inside of sword square groove 221, and under the cooperation of bolt hole 222, utilize the bolt to fix the inside at sword square groove 221 with the sword piece 231, sword piece 231 and boring bar 240 are standard structure, tool bit 250 is different types of boring tool bit, before using, can once change required a plurality of tool bits 250, in the in-process of fine boring, avoided artifical dismantlement to change tool bit 250.

Referring to fig. 1, 2, 4 and 5, the replaceable-bit fine boring cutter further includes a fixing assembly 300, the fixing assembly 300 includes a fixing plate 310, a connecting plate 320, an electric push rod 330 and fixing posts 340, the fixing plate 310 is mounted on a side portion of one of the three-jaw chucks 130 through bolts, a slot 350 is formed in the side portion of the fixing plate 310, the connecting plate 320 is mounted on a side portion of the second support plate 122 through bolts, the electric push rod 330 is mounted on a side portion of the connecting plate 320 through bolts, the fixing posts 340 are mounted on an output end of the electric push rod 330 through plate body threads, a cross section of the fixing posts 340 is rectangular, the fixing posts 340 are arranged opposite to the slot 350, a cross section of the fixing posts 340 is the same as that of the slot 350, the slot 350 is arranged in an annular array relative to a center of the fixing plate 310, the slot 350, when the tool bit 250 is used specifically, the electric push rod 330 operates to drive the fixing column 340 to move, so that the fixing column 340 is inserted into the inner side of the slot 350, and the tool bit 250 can be further fixed after being adjusted.

Specifically, the working principle of the fine boring cutter with the replaceable cutter head is as follows: during the use, be connected connecting block 110 with the lathe to connect and fix boring bar 240 and tool bit 250 through connecting piece 230, then fix support shaft 210 between three-jaw chuck 130, can drive three-jaw chuck 130 through the operation of motor body 140 and rotate, and then make the position of tool bit 250 adjusted, make the central line that waits to use tool bit 250 coaxial with the central line of connecting block 110, change tool bit 250, avoided current pull down tool bit 250 and just can change tool bit 250, make things convenient for workman's operation and use more.

It should be noted that the specific model specifications of the motor body 140 and the electric push rod 330 need to be determined according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the motor body 140 and the power push rod 330 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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. A fine boring cutter with a replaceable cutter head is characterized by comprising

The tool apron assembly (100) comprises a connecting block (110) and a supporting frame (120), the supporting frame (120) is arranged at the lower part of the connecting block (110), a three-jaw chuck (130) is rotatably mounted at the side part of the supporting frame (120), a motor body (140) is mounted at the side part of the supporting frame (120), and the output end of the motor body (140) is in transmission connection with one three-jaw chuck (130);

the cutter body assembly (200) comprises a support shaft (210), support plates (220), a connecting piece (230), a boring bar (240) and a cutter head (250), wherein the support shaft (210) is installed between the three-jaw chucks (130), the support plates (220) are sleeved on the outer sides of the support shaft (210), the connecting pieces (230) are arranged on the side portions of the support plates (220) in an annular array mode, the boring bar (240) is installed on the side portions of the connecting piece (230), and the cutter head (250) is installed on the side portions of the boring bar (240).

2. The fine boring cutter with a replaceable cutter head as claimed in claim 1, wherein a mounting hole (111) is formed in a side portion of the connecting block (110), and a reinforcing rib (112) is arranged between a lower portion of the connecting block (110) and the supporting frame (120).

3. The tool bit-replaceable fine boring cutter according to claim 1, wherein the support frame (120) comprises a first support plate (121) and a second support plate (122), the first support plate (121) is disposed at a lower portion of the connecting block (110), the second support plate (122) is disposed at a lower portion of the connecting block (110), and the first support plate (121) and the second support plate (122) are disposed opposite to each other.

4. The replaceable bit fine boring cutter according to claim 3, further comprising a fixing assembly (300), wherein the fixing assembly (300) comprises a fixed disc (310), a connecting plate (320), an electric push rod (330) and a fixed column (340), the fixed disc (310) is mounted on the side of one of the three-jaw chucks (130), a slotted hole (350) is formed in the side of the fixed disc (310), the connecting plate (320) is mounted on the side of the second supporting plate (122), the electric push rod (330) is mounted on the side of the connecting plate (320), and the fixed column (340) is mounted on the output end of the electric push rod (330).

5. The replaceable-bit fine boring tool as set forth in claim 4, characterized in that the fixing post (340) is disposed opposite to the slot (350), and the cross-sectional shape of the fixing post (340) is the same as that of the slot (350).

6. The replaceable-bit fine boring tool according to claim 4, characterized in that the slotted holes (350) are arranged in an annular array with respect to the center of the fixed plate (310), the slotted holes (350) are provided in at least four, and the number of the slotted holes (350) is the same as the number of the fixed posts (340).

7. The tool bit-replaceable fine boring tool according to claim 1, wherein a center point of the support shaft (210) is the same as a center point of the support plate (220), and an extension line of a center line of the connecting block (110) passes through the center point of the support shaft (210).

8. The tool bit-replaceable fine boring tool according to claim 1, wherein the connecting member (230) comprises a cutter block (231), the cutter block (231) is inserted into the inner side of the supporting plate (220), the cutter block (231) and the supporting plate (220) are fixed by bolts, and the side of the cutter block (231) is connected with the boring bar (240).

9. The tool bit-replaceable fine boring tool according to claim 8, wherein the side of the support plate (220) is provided with a square groove (221) for engaging with the tool block (231), and the side of the support plate (220) adjacent to the square groove (221) is provided with a bolt hole (222).

10. The replaceable-bit fine boring cutter as claimed in claim 8, characterized in that a first brace (241) is connected to the side of the boring bar (240) and the side of the cutter block (231), and a second brace (242) is connected to the side of the boring bar (240) and the side of the cutter head (250).