CN215746814U

CN215746814U - Reamer structure with spiral angle

Info

Publication number: CN215746814U
Application number: CN202122340217.5U
Authority: CN
Inventors: 荆玲; 都敏
Original assignee: Dalian Langyue Precision Industry Co ltd
Current assignee: Dalian Langyue Precision Industry Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-08
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a reamer structure with a spiral angle, which comprises a tool bit, an inner cylinder, an outer cylinder and cutting edges, wherein the outer wall of the inner cylinder is in clearance fit with the outer cylinder, a plurality of cutting edges are machined on the outer wall of the tool bit, a fixing mechanism is arranged in the inner cavity of the outer cylinder, clamping rods are fixedly connected to one sides of the outer walls of two threaded sleeves, one ends of the two clamping rods are tightly abutted against grooves, and the two grooves are respectively formed in two sides of the inner cavity of the inner cylinder. This reamer structure with spiral angle, through the screw rod, the thread bush, a slide rail, the concave block, the cooperation between clamping bar and the recess, make the device when using, make the rotation in opposite directions of two screw rods can drive two stable upper and lower phase shifts of thread bush simultaneously, and then make the thread bush can drive the clamping bar and support the corresponding recess of inner tube inner chamber tightly, thereby realize dismantling the reamer head fast, it is mostly a body structure to have solved spiral reamer, need the problem of whole change after damaging.

Description

Reamer structure with spiral angle

Technical Field

The utility model relates to the technical field of spiral reamers, in particular to a reamer structure with a spiral angle.

Background

The reamer is a rotary tool having one or more teeth for cutting a thin layer of metal on the surface of a machined hole, and the reamer is a rotary finishing tool having a straight edge or a spiral edge for reaming or repairing the hole. The machining precision requirement of the reamer is generally higher than that of a drill bit due to the small cutting amount. Can be operated manually or installed on a drilling machine to work.

Current spiral reamer is mostly a body structure, and the spiral reamer damages the back in the use, need carry out whole change for the replacement cost of spiral reamer is higher relatively.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reamer structure with a spiral angle, and aims to solve the problem that most of spiral reamers in the background technology are integrated and need to be integrally replaced after being damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: a reamer structure with a spiral angle comprises a cutter head, an inner cylinder, an outer cylinder and cutting edges, wherein the inner cylinder is fixedly connected to one side of the cutter head, the inner cylinder enters the right end of the outer cylinder, the outer wall of the inner cylinder is in clearance fit with the outer cylinder, and a plurality of cutting edges are machined on the outer wall of the cutter head; the inner cavity of the outer barrel is provided with a fixing mechanism;

the fixing mechanism comprises a screw rod, a threaded sleeve, a clamping rod and a groove;

one end of each of the two screw rods is respectively and rotatably connected with the upper side and the lower side of the outer barrel through bearings, the outer walls of the two screw rods are respectively in threaded connection with a threaded sleeve, one side of the outer wall of each threaded sleeve is fixedly connected to one end of a clamping rod, the other end of each clamping rod is tightly abutted to the inner wall of the corresponding groove, the other end of each clamping rod is arranged in the corresponding groove, and the grooves are respectively arranged on the upper side and the lower side of the inner cavity of the inner barrel.

And oblique angles are processed on one sides of the plurality of cutting edges.

The vertical inner wall rigid coupling in inner chamber left side of urceolus has the slide rail, both sides all slide about the outer wall of slide rail and link to each other and have concave piece, two the one end of concave piece rigid coupling respectively in the outer wall opposite side of two thread bush.

The outer wall of the outer barrel is provided with a transmission mechanism;

the transmission mechanism comprises a gear ring, grinding lines and a gear;

the gear ring is rotatably sleeved on the outer wall of the outer barrel through a bearing, grinding grains are machined on the outer wall of the gear ring, gears are meshed with the two sides of the gear ring and are arranged between the gear ring and the outer wall of the outer barrel, and one sides of the gears are fixedly connected to the tops of one ends of the two screws respectively.

Sliding mechanisms are arranged on two sides of the outer barrel;

the sliding mechanism comprises a sliding chute, a sliding block and a convex block;

two both sides about the inner wall of urceolus are seted up respectively to the spout, two the inner chamber of spout all slides and links to each other and has the slider, two the one end of slider rigid coupling respectively in the outer wall both sides of inner tube, one side outer wall of urceolus is equipped with a plurality of lugs, and is a plurality of the equal rigid coupling of lug is in outer wall one side of urceolus.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use.

This reamer structure with helix angle, through the screw rod, the thread bush, a slide rail, concave block, cooperation between clamping bar and the recess, make the device when using, it is spacing through the slip that slide rail and concave block constitute, make the rotation in opposite directions of two screw rods can drive two stable upper and lower phase shifts of thread bush simultaneously, and then make the thread bush can drive the clamping bar and support the tight with the corresponding recess of inner tube inner chamber, thereby realize the quick dismantlement to the reamer head, it is mostly a body structure to have solved the spiral reamer, need the problem of whole change after the damage.

Through the ring gear, grind the line and the cooperation between the gear for the device is when using, and the ring gear can the urceolus rotate as the center, and it is continuous through the meshing between ring gear and two gears, when the user drives the ring gear through grinding the line and rotates, two screws of ring gear accessible drive simultaneously rotate in opposite directions, and then have guaranteed the uniformity that two clamping bars removed.

Through the cooperation between spout and the slider for the device is when using, when changing the reamer tool bit, and is spacing through the slip that spout and slider constitute, makes the stable inner chamber that gets into the urceolus of tool bit accessible inner tube, and the clamping bar also can remain corresponding state with corresponding recess throughout, thereby further has made things convenient for the fixing of tool bit, has increased certain practicality.

Drawings

FIG. 1 is a schematic diagram of the connection relationship of the present invention;

FIG. 2 is a schematic cross-sectional view of the outer barrel, the gear ring and the cutter head of FIG. 1, rotated 90 degrees clockwise;

FIG. 3 is a schematic structural view of the screw, the thread bush and the gear ring in FIG. 2;

FIG. 4 is a schematic view of the structure of the chute, the cutter head and the inner barrel of FIG. 2.

In the figure: 1. the tool bit comprises a tool bit body, 2, an inner cylinder, 3, an outer cylinder, 4, a fixing mechanism, 401, a screw rod, 402, a threaded sleeve, 403, a clamping rod, 404, a groove, 5, a transmission mechanism, 501, a gear ring, 502, grinding lines, 503, a gear, 6, a sliding mechanism, 601, a sliding groove, 602, a sliding block, 603, a convex block, 7, a cutting edge, 8, an oblique angle, 9, a sliding rail, 10 and a concave block.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-4, the present invention provides a technical solution: a reamer structure with a spiral angle comprises a cutter head 1, an inner cylinder 2, an outer cylinder 3 and cutting edges 7, wherein the inner cylinder 2 is fixedly connected to one side of the cutter head 1, the outer cylinder 3 is in clearance fit with the outer wall of the inner cylinder 2, a plurality of cutting edges 7 are machined on the outer wall of the cutter head 1, a fixing mechanism 4 is arranged in an inner cavity of the outer cylinder 3, the fixing mechanism 4 comprises screw rods 401, threaded sleeves 402, clamping rods 403 and grooves 404, the two screw rods 401 are respectively and rotatably connected to two sides of the outer cylinder 3 through bearings, so that the screw rods 401 can stably and longitudinally rotate, the thread directions of the two screw rods 401 are the same, the outer walls of the two screw rods 401 are respectively and threadedly connected with the threaded sleeves 402, the threaded sleeves 402 can be driven to longitudinally move by rotation of the screw rods 401, the clamping rods 403 are fixedly connected to one side of the outer walls of the two threaded sleeves 402, the clamping rods 403 can drive the clamping rods 403 to move, one ends of the grooves 404 are respectively abutted against the grooves 404, the two grooves 404 are respectively arranged on two sides of the inner cavity of the inner cylinder 2, support recess 404 tightly through clamping bar 403, make tool bit 1 can be fixed in one side of urceolus 3, and then realize only the change to tool bit 1, the oblique angle 8 has all been processed to one side of a plurality of cutting edges 7, cutting edge 7 fracture appears when avoiding tool bit 1 and work piece contact, service life has been increased, inner chamber one side rigid coupling of urceolus 3 has slide rail 9, slide rail 9's outer wall both sides all slide and link to each other concave block 10, the one end rigid coupling respectively in outer wall one side of two thread bush 402 of two concave blocks 10, it is spacing to slide through slide rail 9 and concave block 10 constitution, make two screw rods 401 rotate in opposite directions and can drive two stable upper and lower relative movements of thread bush 402 simultaneously.

The outer wall of a section of thick bamboo 3 is equipped with drive mechanism 5, drive mechanism 5 includes ring gear 501, grind line 502 and gear 503, ring gear 501 passes through the bearing and rotates and links to each other in the outer wall of urceolus 3, make ring gear 501 can rotate for the center by urceolus 3, ring gear 501's outer wall processing has grind line 502, so that the user can easily rotate ring gear 501, ring gear 501's both sides all mesh and link to each other gear 503, one side rigid coupling in the one end of two screw rods 401 respectively of two gear 503, it links to each other through the meshing between ring gear 501 and two gear 503, when the user passes through grind line 502 and drives ring gear 501 to rotate, ring gear 502 can drive two screw rods 401 and rotate in opposite directions simultaneously.

The both sides of urceolus 3 are equipped with slide mechanism 6, slide mechanism 6 includes spout 601, slider 602 and lug 603, the inner chamber both sides of urceolus 3 are seted up respectively to two spout 601, the inner chamber of two spout 601 all slides and links to each other has slider 602, make slider 602 can be at the stable lateral shifting of the inner wall of spout 601, the one end of two sliders 602 rigid coupling respectively in the outer wall both sides of inner tube 2, it is spacing to slide through spout 601 and slider 602 constitution, make the stable inner chamber that gets into urceolus 3 of tool bit 1 accessible inner tube 2, and clamping bar 403 also can remain corresponding state with corresponding recess 404 all the time, one side of two sliders 602 is equipped with a plurality of lugs 603, the equal rigid coupling of a plurality of lugs 603 is in outer wall one side of urceolus 3, through setting up a plurality of lugs 603, make urceolus 3 can be by stable fixed.

When using this reamer structure that has spiral angle, it is spacing through the slip that slide rail 9 and concave block 10 constitute, make two screw rods 401's rotation can drive two stable upper and lower mutual approaching of upper and lower screw thread cover 402 simultaneously or keep away from the removal, and then make screw thread cover 402 can drive clamping bar 403 and inner tube inner chamber corresponding recess 404 and support tightly or break away from, thereby realize dismantling fast and the installation to reamer tool bit 1, it is mostly a body structure to have solved spiral reamer, need the problem of whole change after the damage. The gear ring 501 can rotate around the outer cylinder 3 and is connected with the two gears 503 through meshing, when a user drives the gear ring 501 to rotate through the grinding patterns 502, the gear ring 502 can drive the two screws 401 to rotate oppositely through the two gears 503, and then the moving consistency of the two clamping rods 403 is ensured. When the reamer head 1 is replaced, the sliding limit formed by the sliding groove 601 and the sliding block 602 enables the reamer head 1 to stably enter the inner cavity of the outer cylinder 3 through the inner cylinder 2, and the clamping rod 403 can be always kept in a corresponding state with the corresponding groove 404, so that the reamer head 1 is further convenient to fix, and the practicability is improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reamer structure with spiral angle, includes tool bit (1), inner tube (2), urceolus (3), cutting edge (7), one side rigid coupling of tool bit (1) has inner tube (2), the right-hand member that enters into urceolus (3) of inner tube (2), the outer wall and urceolus (3) clearance fit of inner tube (2), the outer wall processing of tool bit (1) has a plurality of cutting edges (7), its characterized in that: the inner cavity of the outer cylinder (3) is provided with a fixing mechanism (4);

the fixing mechanism (4) comprises a screw rod (401), a threaded sleeve (402), a clamping rod (403) and a groove (404);

one end of each of the two screw rods (401) is respectively connected with the upper side and the lower side of the outer barrel (3) in a rotating mode through a bearing, the outer wall of each of the two screw rods (401) is connected with a threaded sleeve (402) in a threaded mode, one side of the outer wall of each threaded sleeve (402) is fixedly connected to one end of each clamping rod (403), the other end of each clamping rod (403) is tightly abutted to the inner wall of each groove (404), the other end of each clamping rod (403) is arranged inside each groove (404), and the grooves (404) are respectively arranged on the upper side and the lower side of the inner cavity of the inner barrel (2).

2. The reamer structure with the spiral angle of claim 1, wherein: one side of each of the plurality of cutting edges (7) is processed with an oblique angle (8).

3. The reamer structure with the spiral angle of claim 1, wherein: the inner cavity left side vertical inner wall rigid coupling of urceolus (3) has slide rail (9), both sides all slide about the outer wall of slide rail (9) and link to each other to have concave piece (10), two the one end of concave piece (10) rigid coupling respectively in the outer wall opposite side of two thread bush (402).

4. The reamer structure with the spiral angle of claim 1, wherein: the outer wall of the outer barrel (3) is provided with a transmission mechanism (5);

the transmission mechanism (5) comprises a gear ring (501), grinding grains (502) and a gear (503);

the outer wall of cup jointing in urceolus (3) is rotated through the bearing ring (501), the outer wall processing of ring gear (501) has wear pattern (502), the both sides of ring gear (501) all mesh and link to each other have gear (503), gear (503) are between ring gear (501) and urceolus (3) outer wall, two one side rigid coupling respectively in the one end top of two screw rods (401) of gear (503).

5. The reamer structure with the spiral angle of claim 1, wherein: sliding mechanisms (6) are arranged on two sides of the outer cylinder (3);

the sliding mechanism (6) comprises a sliding groove (601), a sliding block (602) and a lug (603);

two both sides about the inner wall of urceolus (3) are seted up respectively in spout (601), two the inner chamber of spout (601) all slides and links to each other has slider (602), two the one end of slider (602) rigid coupling respectively in the outer wall both sides of inner tube (2), one side outer wall of urceolus (3) is equipped with a plurality of lugs (603), and is a plurality of equal rigid coupling of lug (603) is in outer wall one side of urceolus (3).