CN214769012U

CN214769012U - Boring cutter with elastic structure

Info

Publication number: CN214769012U
Application number: CN202023340968.9U
Authority: CN
Inventors: 陈志国; 赵健
Original assignee: Shenzhen Shenke Silicone Rubber Mould Co ltd
Current assignee: Shenzhen Shenke Silicone Rubber Mould Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-19
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a boring cutter with elastic construction, including blade holder and knife rest, the below of blade holder is provided with resilient means, resilient means includes structure steel piece, preformed hole, fixed column, standing groove and first expanding spring, the inside of structure steel piece is provided with the standing groove, be provided with the preformed hole on the structure steel piece, the inside of preformed hole and standing groove is provided with the fixed column, it is provided with first expanding spring to lie in the standing groove on the fixed column, resilient means's below is provided with removes the seat, the below of removing the seat is provided with the knife rest. Boring cutter with elastic construction belongs to the lathe cutter field for remove and have elasticity between seat and the knife rest, and put into the fixed column through the preformed hole and reduce to cause processing to make the bending deformation condition, through chucking piece and latch looks chucking, thereby make the rigidity of removing between seat and the knife rest, avoid becoming flexible or remove and take place the machining precision and reduce.

Description

Boring cutter with elastic structure

Technical Field

The utility model relates to a lathe cutter field, in particular to boring cutter with elastic construction.

Background

The cutter is a tool used for cutting in mechanical manufacturing, also called as a cutting tool, and is basically used for cutting metal materials, the cutter used for cutting wood is called as a woodworking cutter, and cutters for processing various external surfaces comprise a turning tool, a plane cutter, a milling cutter, an external surface broach, a file and the like; the hole machining tool comprises a drill bit, a reamer, a boring cutter, a reamer, an inner surface broach and the like; the thread machining tool comprises a screw tap, a screw die, an automatic opening and closing thread cutting head, a threading tool, a thread milling cutter and the like; the gear machining tool comprises a hobbing cutter, a gear slotting cutter, a gear shaving cutter, a bevel gear, a broaching cutter and the like, wherein a boring cutter is one of hole machining tools, and the most common occasions are inner hole machining, hole expanding, profiling and the like. However, the existing boring cutter has certain disadvantages, firstly, when the boring cutter is processed, the boring cutter is easy to damage when contacting with a hole wall, the cutter is easy to break in the using process, and the fixing mode of the movable seat and the cutter rest is easy to loosen, thereby easily causing the increase of processing error and the reduction of processing precision.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides the boring cutter with elastic construction, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the boring cutter with the elastic structure comprises a cutter holder and a cutter frame, wherein an elastic device is arranged below the cutter holder and comprises a structural steel block, a preformed hole, a fixed column, a placing groove and a first telescopic spring, the placing groove is arranged inside the structural steel block, the preformed hole is formed in the structural steel block, the fixed column is arranged inside the preformed hole and the placing groove, the first telescopic spring is arranged in the placing groove on the fixed column, a moving seat is arranged below the elastic device, the cutter frame is arranged below the moving seat, the moving seat is connected with the cutter frame through a clamping device, the clamping device comprises a matching groove, a clamping tooth, a clamping block, a second telescopic spring, a first wedge block, a second wedge block, a fixing bolt and a limiting nut, the bottom end of the moving seat is matched with the cutter frame through the matching groove, the bottom end of the moving seat is provided with the clamping tooth, the utility model discloses a clamp, including the knife rest, the top of knife rest is inside to be provided with the fixed slot, the inside of fixed slot is provided with chucking piece, first wedge and second wedge, one side of second wedge is provided with fixing bolt, the inside that lies in the fixed slot on the fixing bolt is provided with limit nut, be provided with second expanding spring between chucking piece and the first wedge, the below of knife rest is provided with anchor clamps, be provided with the tool bit on the anchor clamps.

Preferably, the fixing posts are welded inside the placing groove.

Preferably, the structural steel block is U-shaped in appearance.

Preferably, the surface of the clamping block is provided with a tooth shape matched with the clamping teeth.

Preferably, the first wedge block and the second wedge block are matched, and the second wedge block moves along the horizontal direction.

Preferably, a fixing hole is formed in the position, located at the fixing bolt, of the tool rest, and the fixing bolt is movably matched with the fixing hole.

Preferably, the fixing bolt is in transmission with the second wedge block through threads.

Preferably, the clamping block is connected with the first wedge-shaped block through a second telescopic spring, and the clamping block moves along the vertical direction.

Preferably, the tool holder is fixed to the machine tool.

Preferably, the tool tip contacts an inner wall of the work piece.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be provided with resilient means, at the blade holder with remove the resilient means of installation U type structure between the seat for remove and have elasticity between seat and the knife rest, and put into the fixed column through reserving the hole and reduce to cause the processing to make the bending deformation condition, be provided with the chucking device, through chucking piece and latch looks chucking, thereby make the rigidity between removal seat and the knife rest, avoid becoming flexible or remove and take place the machining precision and reduce.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a schematic view of the elastic device of the present invention;

fig. 4 is a schematic view of the clamping device of the present invention.

In the figure: 1. a tool apron; 2. an elastic device; 201. a structural steel block; 202. reserving a hole; 203. fixing a column; 204. a placement groove; 205. a first extension spring; 3. a movable seat; 4. a tool holder; 5. a clamp; 6. a cutter head; 7. a clamping device; 701. a mating groove; 702. clamping teeth; 703. a clamping block; 704. a second extension spring; 705. a first wedge block; 706. a second wedge block; 707. fixing the bolt; 708. and a limiting nut.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the boring tool with an elastic structure comprises a tool apron 1 and a tool rest 4, wherein an elastic device 2 is arranged below the tool apron 1, the elastic device 2 comprises a structural steel block 201, a prepared hole 202, a fixed column 203, a placing groove 204 and a first expansion spring 205, the placing groove 204 is arranged inside the structural steel block 201, the prepared hole 202 is arranged on the structural steel block 201, the fixed column 203 is arranged inside the prepared hole 202 and the placing groove 204, the first expansion spring 205 is arranged in the placing groove 204 on the fixed column 203, a moving seat 3 is arranged below the elastic device 2, the tool rest 4 is arranged below the moving seat 3, the moving seat 3 is connected with the tool rest 4 through a clamping device 7, the clamping device 7 comprises a matching groove 701, a clamping tooth 702, a clamping block 703, a second expansion spring 704, a first wedge 705, a second wedge 706, a fixing bolt 707 and a limit nut 708, the bottom of removing seat 3 cooperatees with knife rest 4 through mating groove 701, the bottom of removing seat 3 is provided with latch 702, the inside fixed slot that is provided with in top of knife rest 4, the inside of fixed slot is provided with chucking piece 703, first wedge 705 and second wedge 706, one side of second wedge 706 is provided with fixing bolt 707, the inside that lies in the fixed slot on fixing bolt 707 is provided with stop nut 708, be provided with second expanding spring 704 between chucking piece 703 and the first wedge 705, the below of knife rest 4 is provided with anchor clamps 5, be provided with tool bit 6 on anchor clamps 5.

In this embodiment, the fixing posts 203 are welded inside the placing grooves 204; the appearance of structural steel piece 201 is the U type, installs the resilient means 2 of U type structure between blade holder 1 and removal seat 3 for it has elasticity to remove between seat 3 and the knife rest 4, and puts into fixed column 203 through reserving hole 202 and reduces the bending deformation condition that causes processing.

In this embodiment, the surface of the clamping block 703 is provided with a tooth shape that matches with the latch 702; first wedge block 705 and second wedge block 706 are matched, and second wedge block 706 moves along the horizontal direction; a fixing hole is formed in the position, located at the fixing bolt 707, of the tool rest 4, and the fixing bolt 707 is movably matched with the fixing hole; the fixing bolt 707 is in transmission with the second wedge block 706 through threads; the clamping block 703 is connected with the first wedge-shaped block 705 through the second telescopic spring 704, and the clamping block 703 moves along the vertical direction, and is clamped with the latch 702 through the clamping block 703, so that the position between the movable base 3 and the tool holder 4 is fixed, and the looseness or the movement is avoided, and the machining precision is reduced.

In addition, the tool apron 1 is fixed with the machine tool; the tool tip 6 is in contact with the inner wall of the work piece.

It should be noted that, when the boring tool with elastic structure of the present invention is used, the clamp 5 is installed on the tool holder 4, then the tool holder 4 is connected to the movable base 3 through the clamping device 7, and the movable base 3 is fixed to the elastic device 2, then the tool holder 1 is installed on a machine tool, at this time, the adjustment can be performed through the clamping device 7, at this time, the movable base 3 can be moved along the matching groove 701 of the tool holder 4, and the clamping block 703 is engaged with the latch 702 under the action of the second expansion spring 704 and the first wedge 705, then the fixing bolt 707 is rotated to drive the fixing bolt 707 to the second wedge 706, the second wedge 706 moves along the horizontal direction, and then the first wedge moves up and down, so that the first wedge 705 presses the clamping block 703 to the latch 702, at this time, the movable base 3 and the tool holder 4 can be fixed, the inner wall of processing hole can be carried out this moment, makes tool bit 6 process the pore wall through rotating blade holder 1, is provided with the resilient means 2 of U type structure between blade holder 1 and removal seat 3 for have elasticity between removal seat 3 and the knife rest 4, and fix through the fixed column 203 in preformed hole 202 and the standing groove 204, and reduce the deflection between the structural steel piece 201 through first expanding spring 205, it is more convenient.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Boring cutter with elastic construction, its characterized in that: the automatic tool setting device comprises a tool apron (1) and a tool rest (4), wherein an elastic device (2) is arranged below the tool apron (1), the elastic device (2) comprises a structural steel block (201), a preformed hole (202), a fixed column (203), a placing groove (204) and a first telescopic spring (205), the placing groove (204) is arranged inside the structural steel block (201), the preformed hole (202) is formed in the structural steel block (201), the fixed column (203) is arranged inside the preformed hole (202) and the placing groove (204), the first telescopic spring (205) is arranged in the placing groove (204) on the fixed column (203), a moving seat (3) is arranged below the elastic device (2), the tool rest (4) is arranged below the moving seat (3), the moving seat (3) is connected with the tool rest (4) through a clamping device (7), and the clamping device (7) comprises a matching groove (701), The clamping device comprises a clamping tooth (702), a clamping block (703), a second telescopic spring (704), a first wedge block (705), a second wedge block (706), a fixing bolt (707) and a limit nut (708), wherein the bottom end of a movable seat (3) is matched with a tool rest (4) through a matching groove (701), the bottom end of the movable seat (3) is provided with the clamping tooth (702), the top end of the tool rest (4) is internally provided with a fixing groove, the clamping block (703), the first wedge block (705) and the second wedge block (706) are arranged in the fixing groove, one side of the second wedge block (706) is provided with the fixing bolt (707), the limit nut (708) is arranged in the fixing groove on the fixing bolt (707), the second telescopic spring (704) is arranged between the clamping block (703) and the first wedge block (705), and a clamp (5) is arranged below the tool rest (4), and a tool bit (6) is arranged on the clamp (5).

2. The boring tool with the elastic structure as set forth in claim 1, wherein: the fixing columns (203) are welded inside the placing grooves (204).

3. The boring tool with the elastic structure as set forth in claim 1, wherein: the structural steel block (201) is U-shaped in appearance.

4. The boring tool with the elastic structure as set forth in claim 1, wherein: the surface of the clamping block (703) is provided with a tooth shape matched with the clamping teeth (702).

5. The boring tool with the elastic structure as set forth in claim 1, wherein: the first wedge block (705) and the second wedge block (706) are matched, and the second wedge block (706) moves along the horizontal direction.

6. The boring tool with the elastic structure as set forth in claim 1, wherein: a fixing hole is formed in the position, located on the fixing bolt (707), of the tool rest (4), and the fixing bolt (707) is movably matched with the fixing hole.

7. The boring tool with the elastic structure as set forth in claim 1, wherein: the fixing bolt (707) is in transmission with the second wedge block (706) through threads.

8. The boring tool with the elastic structure as set forth in claim 1, wherein: the clamping block (703) is connected with the first wedge-shaped block (705) through a second telescopic spring (704), and the clamping block (703) moves along the vertical direction.

9. The boring tool with the elastic structure as set forth in claim 1, wherein: the tool apron (1) is fixed with a machine tool.

10. The boring tool with the elastic structure as set forth in claim 1, wherein: the tool bit (6) is in contact with the inner wall of the workpiece.