CN211758738U

CN211758738U - Replaceable hard alloy expanding cutter

Info

Publication number: CN211758738U
Application number: CN202020304351.2U
Authority: CN
Inventors: 黄国强
Original assignee: Dalian Fengwei Tools Co ltd
Current assignee: Dalian Fengwei Tools Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-10-27
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a removable formula carbide expands sword, including the drill bit, installation mechanism is installed on the right side of drill bit, the left side internal surface of first recess is laminated with the right side outer wall of drill bit mutually, inner wall in the middle of the left side of connecting seat is seted up to first recess. This removable formula carbide expands sword, insert the inserted bar of both sides in the slot of drill bit both sides, the spring gives the drill bit power to the right side, the drill bit is installed in the first recess on the connecting seat this moment, make the drill bit install fast, the rate of utilization of expanding sword has been improved, the drill bit of expanding on the sword is not convenient for install has been solved, make to expand the sword rate of utilization low, influence the problem of work process, make the connecting rod of both sides move in opposite directions on the slide bar of both sides, the card pole that makes both sides is inserted in the second draw-in groove on the horizontal pole of both sides, make the drill bit stable fix on the connecting seat, thereby the machining stability of cutter has been improved, it is unstable to have solved current drill bit installation that expands on the sword, thereby the influence expands the problem.

Description

Replaceable hard alloy expanding cutter

Technical Field

The utility model relates to a carbide expands sword technical field, specifically is a removable formula carbide expands sword.

Background

With the development of science and social progress, the mechanical industry in China develops rapidly, and machining refers to a process of changing the overall dimension or performance of a workpiece through mechanical equipment and can be divided into two types according to the difference of machining modesCutting machiningAndpressure workingAnd in the machining process, the workpiece needs to be reamed, so that a reamer is used, the reamer is mostly arranged on a drill bit, the reaming is convenient and smooth, but the conventional reamer isThe drill bit of (2) is inconvenient to install, so that the utilization rate of the expanding cutter is low, the problem of working process is influenced, and meanwhile, the problem that the existing drill bit on the expanding cutter is instable to influence the machining precision of the expanding cutter on a workpiece is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a removable formula carbide expands sword to solve the current drill bit that expands on the sword that proposes among the above-mentioned background art and be not convenient for install, make to expand the sword rate of utilization low, influence the problem of work process.

In order to achieve the above object, the utility model provides a following technical scheme: a replaceable hard alloy reamer comprises a drill bit, wherein an installation mechanism is installed on the right side of the drill bit;

the mounting mechanism comprises a first groove, a connecting seat, a spring, a second groove, an inserting rod and a slot;

the utility model discloses a drill bit, including connecting seat, first recess, spring, right-hand member surface rigid coupling, the left end of spring and the right-hand member of drill bit are laminated mutually, the inner wall in the middle of the left side of connecting seat is seted up to first recess, the right-hand member surface rigid coupling of first recess has the spring, the left end of spring and the right-hand member of drill bit are laminated mutually, the second recess has all been seted up to the upper and lower both sides of connecting seat, the top the internal surface of second recess and the top outer wall clearance fit of inserted bar, the below outer wall of inserted bar and the internal surface looks joint of slot, the right side top inner wall at the drill bit is seted up to the slot.

Preferably, the outer wall of the inserted rod is machined with friction grains.

Preferably, a cutter is arranged on the left side of the drill bit and is fixedly connected with the left side of the drill bit through a screw.

Preferably, the upper side and the lower side of the right side of the drill bit are both provided with a fixing mechanism;

the fixing mechanism comprises a cross rod, a first clamping groove, a transverse plate, a second clamping groove, a clamping rod, a connecting rod and a sliding rod;

top the left end rigid coupling of horizontal pole is at the right side top outer wall of drill bit, the right side outer wall of horizontal pole is laminated with the internal surface of first draw-in groove mutually, the left side inner wall at the diaphragm is seted up to first draw-in groove, the right-hand member rigid coupling of diaphragm is at the top left end of connecting seat, the second draw-in groove has been seted up to the right side top of horizontal pole, the internal surface of second draw-in groove and the below outer wall joint of kelly, the outer wall of kelly and the left side top inner wall clearance fit of diaphragm, the top right-hand member rigid coupling of kelly has the connecting rod, the right side inner wall of connecting rod is laminated with the below outer. The bottom end of the sliding rod is fixedly connected with the top end of the left side of the transverse plate.

Preferably, the cross rod, the first clamping groove, the transverse plate, the second clamping groove, the clamping rod, the connecting rod and the sliding rod are symmetrically distributed in the vertical direction by taking the center line of the drill bit as the center.

Preferably, the diameter of the cross rod is 0.1-0.2mm smaller than the inner diameter of the first clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the replaceable hard alloy reamer has the following advantages:

through the drill bit, first recess, the connecting seat, a spring, the second recess, cooperation between inserted bar and the slot, remove the drill bit in the first recess on the connecting seat to the right side and make the spring compression for the spring power on right side, insert the inserted bar of both sides in the slot of drill bit both sides, the spring gives the drill bit power on right side, the drill bit is installed in the first recess on the connecting seat this moment, make the drill bit install fast, the rate of utilization of expanding the sword has been improved, the current installation of being not convenient for of the drill bit on expanding the sword of having solved, make it low to expand the sword rate of utilization, influence the problem of work progress.

Through the drill bit, the cutter, the screw, the horizontal pole, first draw-in groove, the diaphragm, the second draw-in groove, the kelly, cooperation between connecting rod and the slide bar, the horizontal pole of drill bit both sides is inserted in the first draw-in groove on the diaphragm, the connecting rod of both sides is in opposite directions motion on the slide bar of both sides, the kelly that makes both sides is inserted in the second draw-in groove on the horizontal pole of both sides, make the stable fixing on the connecting seat of drill bit, thereby the machining stability of cutter has been improved, the manual work makes the cutter pass through the fix with screw on the drill bit, otherwise take off the screw and be convenient for change the cutter, the drill bit installation on the current sword that expands has been solved is.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the cross bar, the first engaging groove and the cross plate in FIG. 1;

FIG. 3 is a schematic view of the structure of the drill, the slot and the insert rod of FIG. 1;

fig. 4 is a schematic view of the structure of the drill, the screw and the cutter in fig. 1.

In the figure: 1. the drilling tool comprises a drilling head, 2, a cutting tool, 3, a screw, 4, a mounting mechanism, 401, a first groove, 402, a connecting seat, 403, a spring, 404, a second groove, 405, an inserting rod, 406, a slot, 5, a fixing mechanism, 501, a cross rod, 502, a first clamping groove, 503, a transverse plate, 504, a second clamping groove, 505, a clamping rod, 506, a connecting rod, 507 and a sliding rod.

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. 1-4, the present invention provides a technical solution: a replaceable hard alloy expanding cutter comprises a drill bit 1, wherein a mounting mechanism 4 is mounted on the right side of the drill bit 1, the mounting mechanism 4 comprises a first groove 401, a connecting seat 402, a spring 403, a second groove 404, an insert rod 405 and a slot 406, the inner surface of the left side of the first groove 401 is attached to the outer wall of the right side of the drill bit 1, the first groove 401 is formed in the middle inner wall of the left side of the connecting seat 402, the drill bit 1 is mounted in the first groove 401 on the connecting seat 402, the spring 403 is fixedly connected to the surface of the right end of the first groove 401, the spring 403 is supported by the first groove 401, the left end of the spring 403 is attached to the right end of the drill bit 1, the drill bit 1 moves towards the right side in the first groove 401 to compress the spring 403 under the force of the spring 403 towards the right side, the second grooves 404 are formed in the upper side and the lower side of the connecting, inserted bar 405 can remove in the second recess 404 on connecting seat 2, the below outer wall of inserted bar 405 and the internal surface looks joint of slot 406, slot 406 is seted up at the right side top inner wall of drill bit 1, the inserted bar 405 of both sides is inserted in the slot 406 of drill bit 1 both sides, spring 403 gives drill bit 1 power to the right side, drill bit 1 installs in the first recess 401 on connecting seat 402 this moment, the outer wall of inserted bar 405 and the left side top inner wall clearance fit of connecting seat 402, the inserted bar 405 of both sides is taken out in connecting seat 402 and can is dismantled drill bit 1, the outer wall processing of inserted bar 405 has the friction line, the friction force that friction line has increased between hand and the inserted bar 405 prevents to take off the hand.

The left side of drill bit 1 is equipped with cutter 2, and cutter 2 passes through the left side of screw 3 and drill bit 1 fixed continuous, and cutter 2 passes through screw 3 to be fixed on drill bit 1, takes off screw 3 and is convenient for change cutter 2, and cutter 2 is the sword that expands of carbide material preparation.

The upper side and the lower side of the right side of the drill bit 1 are both provided with a fixing mechanism 5, the fixing mechanism 5 comprises a cross rod 501, a first clamping groove 502, a cross plate 503, a second clamping groove 504, a clamping rod 505, a connecting rod 506 and a sliding rod 507, the left end of the cross rod 501 at the upper part is fixedly connected with the outer wall at the upper part of the right side of the drill bit 1, the outer wall at the right side of the cross rod 501 is attached to the inner surface of the first clamping groove 502, the first clamping groove 502 is arranged on the inner wall at the left side of the cross plate 503, the drill bit 1 is inserted into the first clamping groove 502 on the cross plate 503 at the two sides through the cross rods 501 at the upper part and the lower part, the right end of the cross plate 503 is fixedly connected with the left end at the upper part of the connecting seat 402, the connecting seat 402 supports the cross plate 503, the second clamping groove 504 is arranged above the right side of the, the drill bit 1 is stably fixed on the connecting seat 402, the outer wall of the clamping rod 505 is in clearance fit with the upper inner wall of the left side of the transverse plate 503, the clamping rod 505 moves up and down in the transverse plate 503, the connecting rod 506 is fixedly connected to the right end of the upper portion of the clamping rod 505, the inner wall of the right side of the connecting rod 506 is attached to the outer wall of the lower portion of the sliding rod 507, the clamping rod 505 moves up and down on the sliding rod 507 through the connecting rod 506, the bottom end of the sliding rod 507 is fixedly connected to the top end of the left side of the transverse plate 503, the transverse plate 503 supports the sliding rod 507, the transverse rod 501, the first clamping groove 502, the transverse plate 503, the second clamping groove 504, the clamping rod 505, the connecting rod 506 and the sliding rod 507 are symmetrically distributed up and down by taking the center line of the drill bit 1 as the center, so that the drill bit 1 is stably installed, the processing stability of the.

When the replaceable hard alloy expanding cutter is used, firstly, the drill bit 1 is manually moved to the right side in the first groove 401 on the connecting seat 402 to apply a force to the spring 403 to the right side so as to compress the spring 403, the inserting rods 405 on the two sides are inserted into the inserting grooves 406 on the two sides of the drill bit 1, the spring 403 applies a force to the drill bit 1 to the right side, at this time, the drill bit 1 is installed in the first groove 401 on the connecting seat 402, the cross rods 501 on the two sides of the drill bit 1 are inserted into the first clamping grooves 502 on the transverse plate 503, the connecting rods 506 on the two sides move oppositely on the sliding rods 507 on the two sides, the clamping rods 505 on the two sides are inserted into the second clamping grooves 504 on the cross rods 501 on the two sides, the drill bit 1 is stably fixed on the connecting seat 402, the cutter 2 is manually fixed on.

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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "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; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A replaceable hard alloy reamer, comprising a drill bit (1), characterized in that: an installation mechanism (4) is installed on the right side of the drill bit (1);

the mounting mechanism (4) comprises a first groove (401), a connecting seat (402), a spring (403), a second groove (404), an inserting rod (405) and a slot (406);

the left side internal surface of first recess (401) is laminated with the right side outer wall of drill bit (1) mutually, inner wall in the middle of the left side of connecting seat (402) is seted up in first recess (401), the right-hand member surface rigid coupling of first recess (401) has spring (403), the left end of spring (403) is laminated with the right-hand member of drill bit (1) mutually, second recess (404), top have all been seted up to the upper and lower both sides of connecting seat (402) the internal surface of second recess (404) and the top outer wall clearance fit of inserted bar (405), the below outer wall of inserted bar (405) and the internal surface looks joint of slot (406), the right side top inner wall at drill bit (1) is seted up in slot (406), the outer wall of inserted bar (405) and the left side top inner wall clearance fit of connecting seat (402).

2. The replaceable cemented carbide reamer of claim 1 wherein: the outer wall of the inserted bar (405) is machined with friction grains.

3. The replaceable cemented carbide reamer of claim 1 wherein: the left side of drill bit (1) is equipped with cutter (2), cutter (2) pass through screw (3) and the left side of drill bit (1) is fixed continuous.

4. The replaceable cemented carbide reamer of claim 1 wherein: the upper side and the lower side of the right side of the drill bit (1) are both provided with a fixing mechanism (5);

the fixing mechanism (5) comprises a cross bar (501), a first clamping groove (502), a transverse plate (503), a second clamping groove (504), a clamping rod (505), a connecting rod (506) and a sliding rod (507);

top the left end of horizontal pole (501) is fixedly connected at the right side top outer wall of drill bit (1), the right side outer wall of horizontal pole (501) is laminated with the internal surface of first draw-in groove (502), the left side inner wall at horizontal pole (503) is seted up in first draw-in groove (502), the right-hand member rigid coupling of horizontal pole (503) is at the top left end of connecting seat (402), second draw-in groove (504) have been seted up to the right side top of horizontal pole (501), the internal surface of second draw-in groove (504) and the below outer wall joint of card pole (505), the outer wall of card pole (505) and the left side top inner wall clearance fit of horizontal pole (503), the top right-hand member of card pole (505) has connecting rod (506), the right side inner wall of connecting rod (506) and the below outer wall of slide bar (507) are laminated mutually, the bottom of slide bar (507) is on the left side top of horizontal pole (503).

5. The replaceable carbide tipped tool of claim 4 wherein: the cross rod (501), the first clamping groove (502), the transverse plate (503), the second clamping groove (504), the clamping rod (505), the connecting rod (506) and the sliding rod (507) are symmetrically distributed up and down by taking the center line of the drill bit (1) as the center.

6. The replaceable carbide tipped tool of claim 4 wherein: the diameter of the cross rod (501) is 0.1-0.2mm smaller than the inner diameter of the first clamping groove (502).