CN212577597U

CN212577597U - Interval adjustable twolip cutter

Info

Publication number: CN212577597U
Application number: CN202021509471.2U
Authority: CN
Inventors: 夏振瑶; 夏振伟
Original assignee: Maanshan Huazhong Metallurgical Machinery Blade Co ltd
Current assignee: Maanshan Huazhong Metallurgical Machinery Blade Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-02-23
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses an interval adjustable twolip cutter, including cutter installation handle and cutting edge fixed block, the installation round hole has been seted up to the symmetry on the lateral wall of cutter installation handle, and the circle axle balancing hole has been seted up at the center of cutter installation handle, and swing joint has the gear pivot in the circle axle balancing hole, and the upper end of circle axle balancing hole is connected with spacing hole, and the lower extreme fixedly connected with mount pad of cutter installation handle, the spout has been seted up to the mount pad lower surface, and the spacing groove has been seted up to the bilateral symmetry of spout. This interval adjustable twolip cutter installs the cutting edge fixed block through the mount pad symmetry of cutter installation handle below, connects the rack in cutting edge fixed block upper end, connects the screw thread post at the lower extreme of cutting edge fixed block, and it is rotatory to drive the adjusting gear through the gear shaft, control rack shift position to distance between the adjustment cutting edge fixed block, thereby realize can adjusting the distance between the cutting edge body, can be applicable to the aperture of different diameters, convenient to use is nimble.

Description

Interval adjustable twolip cutter

Technical Field

The utility model relates to the technical field of cutters, specifically be an interval adjustable twolip cutter.

Background

The current cutter generally is the single-blade structure, when the cutting, only realize the cutting through the one side, but in screw thread cutter, generally adopt the twolip structure, cutter rotation work, twolip can bore hole fast or reaming operation, but in the current screw thread cutter, twolip and cutter body are fixed knot structure, can not adjust, under drilling environment and the drilling requirement of difference, only can change different cutters, inconvenient to use, application range is less, and the inconvenient carrying of a plurality of cutters, the cutter under the change is also lost easily, bring certain puzzlement for production operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interval adjustable twolip cutter has the cutting edge interval adjustable, and the sound construction, the problem among the prior art has been solved to the advantage of easy regulation.

In order to achieve the above object, the utility model provides a following technical scheme: a double-edged cutter with adjustable spacing comprises a cutter mounting handle and a cutting edge fixing block, wherein mounting round holes are symmetrically formed in the side wall of the cutter mounting handle, a round shaft moving hole is formed in the center of the cutter mounting handle, a gear rotating shaft is movably connected in the round shaft moving hole, a limiting hole is connected to the upper end of the round shaft moving hole, a mounting seat is fixedly connected to the lower end of the cutter mounting handle, a sliding groove is formed in the lower surface of the mounting seat, limiting grooves are symmetrically formed in two sides of the sliding groove, a cutting edge fixing block is movably connected in the sliding groove, a movable sliding block is fixedly connected to the upper end of the cutting edge fixing block and movably connected with the sliding groove, a limiting sliding block is symmetrically connected to two sides of the upper end of the movable sliding block and movably connected with the limiting grooves, a rack is fixedly connected to one side of the limiting sliding, and is connected with an adjusting gear which is meshed with the rack.

Preferably, the two sides of the mounting seat are provided with dismounting flat mouths.

Preferably, the quantity of cutting edge fixed block is two, installs respectively at the both ends of spout, and the lower extreme width of cutting edge fixed block is greater than the width of upper end, and fixedly connected with screw thread post on the cutting edge fixed block is close to the inner wall of lower extreme, and the meshing has the thread bush on the screw thread post.

Preferably, the two ends of the threaded sleeve are respectively provided with threads matched with the threaded columns, and the directions of the threads at the two ends of the threaded sleeve are opposite.

Preferably, a scrap outlet is formed in one side of the upper end of the cutting edge fixing block, a cutting edge body is connected to the outer wall of the cutting edge fixing block, and the cutting edge body is of a spiral structure.

Preferably, the upper surface of the rotating block is provided with a cross-shaped groove, the rotating block is matched with the limiting hole, and the rotating block is embedded in the limiting hole.

Preferably, the width of the rack is equal to that of the limiting sliding block, and the rack is movably connected with the limiting groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this interval adjustable twolip cutter, install the cutting edge fixed block through the mount pad symmetry of cutter installation handle below, connect the rack in cutting edge fixed block upper end, connect the screw thread post at the lower extreme of cutting edge fixed block, it is rotatory to drive the adjusting gear through the gear shaft, control rack shift position, thereby adjust the distance between the cutting edge fixed block, thereby realize the distance that can adjust between the cutting edge body, can be applicable to the aperture of different diameters, high durability and convenient use is nimble, utilize the cross screwdriver, it changes the piece to revolve wrong commentaries on classics, easy to operate, convenient control, utilize the thread bush to support the cutting edge fixed block at the lower extreme of cutting edge fixed block in addition, the distance of control cutting edge fixed block lower extreme, guarantee that the cutting edge fixed block is from top to bottom the distance equals.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view of the tool mounting shank of the present invention;

FIG. 3 is a structural view of the cutter mounting shank of the present invention;

FIG. 4 is a view of the blade fixing block of the present invention;

fig. 5 is a structure view of the gear shaft installation structure of the present invention.

In the figure: 1. a cutter mounting shank; 11. mounting a round hole; 12. a circular shaft movable hole; 13. a limiting hole; 14. a mounting seat; 141. a chute; 142. a limiting groove; 143. disassembling and assembling the flat opening; 2. a blade fixing block; 21. a movable slide block; 22. a limiting slide block; 23. a rack; 24. a threaded post; 25. a threaded sleeve; 26. a scrap outlet; 27. a blade body; 3. a gear shaft; 31. rotating the block; 311. a cross-shaped slot; 32. and adjusting the gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Referring to fig. 1-3, a double-edged tool with adjustable distance comprises a tool mounting shank 1 and a cutting edge fixing block 2, wherein the side wall of the tool mounting shank 1 is symmetrically provided with mounting circular holes 11, the tool mounting shank 1 is mounted through the mounting circular holes 11, the center of the tool mounting shank 1 is provided with a circular shaft movable hole 12, a gear rotating shaft 3 is movably connected in the circular shaft movable hole 12, the gear rotating shaft 3 can rotate in the circular shaft movable hole 12, the upper end of the circular shaft movable hole 12 is connected with a limiting hole 13, the lower end of the tool mounting shank 1 is fixedly connected with a mounting seat 14, the lower surface of the mounting seat 14 is provided with a sliding groove 141, the two sides of the sliding groove 141 are symmetrically provided with limiting grooves 142, the cutting edge fixing block 2 is movably connected in the sliding groove 141, the two sides of the mounting seat 14 are provided with dismounting flat mouths 143, the dismounting flat mouths 143 are used, a gap is reserved at the dismounting flat opening 143, so that scraps can be conveniently discharged, and the scraps can be taken out from the dismounting flat opening 143 when being blocked.

Referring to fig. 4, the number of the two blade fixing blocks 2 is two, the two blade fixing blocks are respectively installed at two ends of the sliding groove 141, the width of the lower end of the blade fixing block 2 is larger than the width of the upper end, the inner wall of the blade fixing block 2 near the lower end is fixedly connected with a threaded column 24, the threaded column 24 is engaged with a threaded sleeve 25, two ends of the threaded sleeve 25 are respectively provided with threads matched with the threaded column 24, the directions of the threads at two ends of the threaded sleeve 25 are opposite, the threaded sleeve 25 is rotated, the blade fixing block 2 simultaneously moves towards the position of the center of the circle of the installation seat 14 or moves towards the reverse direction, the distance between the blade fixing blocks 2 can be adjusted, the distance between the blade bodies 27 can be adjusted, the blade fixing blocks can be suitable for apertures with different diameters, the threaded sleeve 25 can adopt a hexagonal prismatic structure, a wrench can be conveniently, prevent that the distance of 2 lower extremes of cutting edge fixed block is uncontrolled, play the fixed action to the lower extreme of cutting edge fixed block 2 through thread bush 25, the upper end fixedly connected with movable slide block 21 of cutting edge fixed block 2, movable slide block 21 and spout 141 swing joint, movable slide block 21 is at spout 141 internalization, the bilateral symmetry of the upper end of movable slide block 21 is connected with spacing slider 22, spacing slider 22 and spacing groove 142 swing joint, spacing slider 22 prevents that cutting edge fixed block 2 from breaking away from spout 141, one side fixedly connected with rack 23 of spacing slider 22, sweeps export 26 has been seted up to one side of 2 upper ends of cutting edge fixed block, when the operation, the sweeps of drilling pass through sweeps export 26 and discharge, avoid the sweeps to cause the card to pause, and the work efficiency is improved, be connected with cutting edge body 27 on the outer wall of cutting edge fixed block 2, cutting.

Referring to fig. 5, a rotating block 31 is fixedly connected to an upper end of a gear rotating shaft 3, a lower end of the gear rotating shaft 3 penetrates through a circular shaft moving hole 12 and is connected with an adjusting gear 32, the adjusting gear 32 is meshed with a rack 23, a cross-shaped groove 311 is formed in an upper surface of the rotating block 31, the rotating block 31 is matched with a limiting hole 13, the rotating block 31 is embedded in the limiting hole 13, the rotating block 31 can be screwed by a cross-shaped screwdriver to drive the gear rotating shaft 3 to rotate, so that moving positions of racks 23 on two sides are driven, widths of the racks 23 are equal to widths of limiting sliding blocks 22, the racks 23 are movably connected with the limiting groove 142, the racks 23 are arranged in the limiting groove 142, and the limiting groove 142 plays a.

The working process is as follows: the distance between the blade fixing blocks 2 is adjusted according to the requirement, the adjustment of the distance between the blade bodies 27 is realized, during the adjustment, the mounting seat 14 is clamped and fixed through the dismounting flat opening 143, the rotating block 31 is screwed through the cross screwdriver, the gear rotating shaft 3 is driven to rotate, the adjusting gear 32 rotates along with the rotation, the racks 23 on the two sides of the adjusting gear 32 move oppositely or oppositely at the same time, the movable sliding block 21 is pushed to move in the sliding groove 141, the thread bush 25 is rotated at the same time, the blade fixing block 2 moves towards the position of the circle center of the mounting seat 14 or moves reversely at the same time to adapt to the position of the movable sliding block 21 at the upper end of the blade fixing block 2, after the adjustment to a proper distance, the rack 23 plays a supporting role on the upper end of the blade fixing block 2 under the limitation of the adjusting gear 32, the thread bush 25 plays a supporting role on the lower end of, the cutter mounting shank 1 is mounted through the mounting round hole 11.

In summary, the following steps: the double-edged cutter with the adjustable interval symmetrically installs the cutting edge fixing blocks 2 through the installation seats 14 below the cutter installation handle 1, the upper end of the blade fixing block 2 is connected with a rack 23, the lower end of the blade fixing block 2 is connected with a threaded column 24, the adjusting gear 32 is driven by the gear rotating shaft 3 to rotate, the moving position of the rack 23 is controlled, thereby adjusting the distance between the blade fixing blocks 2, realizing the adjustment of the distance between the blade bodies 27, being suitable for apertures with different diameters, being convenient and flexible to use, utilizing a cross screwdriver to screw the rotating block 31, being easy to operate and convenient to control, in addition, the lower end of the cutting edge fixing block 2 supports the cutting edge fixing block 2 through the threaded sleeve 25, the distance between the lower ends of the cutting edge fixing blocks 2 is controlled, the upper distance and the lower distance of the cutting edge fixing blocks 2 are equal, the structural stability is further improved, the whole structure is simple, and the adjustment is easy.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an interval adjustable twolip cutter, includes cutter installation handle (1) and cutting edge fixed block (2), its characterized in that: the side wall of the cutter mounting handle (1) is symmetrically provided with mounting round holes (11), the center of the cutter mounting handle (1) is provided with a round shaft movable hole (12), the round shaft movable hole (12) is internally and movably connected with a gear rotating shaft (3), the upper end of the round shaft movable hole (12) is connected with a limiting hole (13), the lower end of the cutter mounting handle (1) is fixedly connected with a mounting seat (14), the lower surface of the mounting seat (14) is provided with a sliding groove (141), two sides of the sliding groove (141) are symmetrically provided with limiting grooves (142), the sliding groove (141) is internally and movably connected with a cutting edge fixing block (2), the upper end of the cutting edge fixing block (2) is fixedly connected with a movable sliding block (21), the movable sliding block (21) is movably connected with the sliding groove (141), two sides of the upper end of the movable sliding block (21) are symmetrically connected with limiting sliding, one side fixedly connected with rack (23) of spacing slider (22), the upper end fixedly connected with commentaries on classics piece (31) of gear shaft (3), the lower extreme of gear shaft (3) runs through circle axle activity hole (12) to be connected with adjusting gear (32), adjusting gear (32) and rack (23) meshing.

2. A double-edged tool with adjustable spacing as claimed in claim 1, wherein: the two sides of the mounting seat (14) are provided with dismounting flat mouths (143).

3. A double-edged tool with adjustable spacing as claimed in claim 1, wherein: the quantity of cutting edge fixed block (2) is two, installs respectively at the both ends of spout (141), and the lower extreme width of cutting edge fixed block (2) is greater than the width of upper end, fixedly connected with screw thread post (24) on cutting edge fixed block (2) are close to the inner wall of lower extreme, and the meshing has thread bush (25) on screw thread post (24).

4. A double-edged tool with adjustable spacing as claimed in claim 3, wherein: and the two ends of the threaded sleeve (25) are respectively provided with threads matched with the threaded column (24), and the directions of the threads at the two ends of the threaded sleeve (25) are opposite.

5. A double-edged tool with adjustable spacing as claimed in claim 1, wherein: scrap outlets (26) are formed in one side of the upper end of the cutting edge fixing block (2), a cutting edge body (27) is connected to the outer wall of the cutting edge fixing block (2), and the cutting edge body (27) is of a spiral structure.

6. A double-edged tool with adjustable spacing as claimed in claim 1, wherein: the upper surface of the rotating block (31) is provided with a cross-shaped groove (311), the rotating block (31) is matched with the limiting hole (13), and the rotating block (31) is embedded in the limiting hole (13).

7. A double-edged tool with adjustable spacing as claimed in claim 1, wherein: the rack (23) is equal to the limiting slide block (22) in width, and the rack (23) is movably connected with the limiting groove (142).