Blade type flat-bottom counter bit for machining marine controllable-pitch propeller blade

Abstract

The utility model discloses a blade type flat-bottom counter bit for machining marine controllable-pitch propeller blades. The device comprises a fixing plate, a clamping and stabilizing assembly arranged at one end of the fixing plate and an adjusting and installing assembly arranged on one side of the fixing plate, the clamping and stabilizing assembly comprises transverse blocks fixedly connected to the two sides of the surface of the fixing plate, embedding grooves are formed in the surfaces of the transverse blocks, embedding blocks are connected into the embedding grooves in a matched mode, and one ends of the embedding blocks are fixedly connected with arc-shaped plates. The surfaces of the arc-shaped plates are movably connected with the knife handle, the transverse block is additionally connected through the embedding groove formed in the surface, the embedding block is inserted into the embedding groove for connection, the arc-shaped plates are installed at one ends of the embedding block, and the two arc-shaped plates are oppositely distributed, so that the knife handle is conveniently and stably clamped, and the situation that the whole knife handle is broken off and splashed is reduced; and when the blade type flat-bottom counter bit for machining the marine controllable-pitch propeller blade is used, the clamping protectiveness during overall machining is high, and the overall use safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flat bottom spot drill of blade type for propeller blade machining of marine adjustable pitch, in particular to a flat bottom spot drill of blade type for propeller blade machining of marine adjustable pitch. BACKGROUND

[0002] Spot drill is also called countersink drill. It is also called chamfering tool, chamfering drill, notch drill, chamfering tool, a drill used for spot drilling conical countersunk holes. It can process hole edge deburring, chamfering, digging countersunk hole, and the prerequisite is that it must have a guide hole, which can be processed and machined. The conical hole is large at the top and small at the bottom. To place the tapered flat head screw, it is necessary to process countersunk holes and tapered hole pockets. Hole edge deburring is light hole edge. Remove the edge of the hole, the flat bottom spot drill has 1- more tool teeth on the circumference and the end face, the guide column is inserted into the processed hole, which controls the coaxiality error of the spot drilled hole and the original hole, and the countersunk hole is processed downward.

[0003] The existing public patent (publication number CN207386658U) discloses a flat bottom spot drill of blade type, which comprises a spot drill body, a cutting edge and a guide column. The end of the spot drill body is provided with a fixed groove, the cutting edge is arranged in the fixed groove and is fixed by a blade pressing plate. The spot drill body is provided with a fixed counterbore at the axial position, and the fixed counterbore is provided with a threaded counterbore. The end of the guide column is provided with a threaded rod, the threaded rod extends into the fixed counterbore, and the end of the threaded rod is connected to the threaded counterbore. The utility model can maintain the processing accuracy required by processing by replacing the blade.

[0004] However, there are some problems in the use of the existing flat bottom spot drill of blade type for propeller blade machining of marine adjustable pitch: 1. The flat bottom spot drill of blade type for propeller blade machining of marine adjustable pitch on the market has low clamping protection during overall processing, which reduces the overall use safety, and the propeller blade machining of marine adjustable pitch is prone to breakage and fragmentation, which may cause damage to personnel and equipment and pose a certain danger; 2. The flat bottom spot drill of blade type for propeller blade machining of marine adjustable pitch on the market has low height adjustment of the overall spot drill during installation, which is not convenient for different propeller blade machining of marine adjustable pitch, thereby reducing the usability. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a flat bottom spot drill of blade type for propeller blade machining of marine adjustable pitch to solve the problems in the background art.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a flat bottom spot drill of blade type for propeller blade machining of marine adjustable pitch, comprising a fixed plate, a clamping stabilizing component arranged at one end of the fixed plate, and an adjusting and mounting component arranged at one side of the fixed plate.

[0007] The clamping and stabilizing assembly comprises cross blocks fixedly connected on both sides of the surface of the fixed plate, the surface of the cross block is provided with an embedding groove, the embedding groove is in matched connection with an embedding block inside, one end of the embedding block is fixedly connected with an arc-shaped plate, and the arc-shaped plate is movably connected with a tool shank on the surface.

[0008] The adjusting and mounting assembly comprises a mounting base fixedly connected on the surface of the fixed plate, an inner cavity is formed in the mounting base, a supporting column is detachably connected in the inner cavity, the supporting column is provided with a plurality of supporting columns, one end of the supporting column is detachably connected with a placing block, and the counter sink drill is mounted through the placing block.

[0009] As a further scheme of the utility model: the clamping and stabilizing assembly further comprises a first connecting hole formed in the surface of the cross block, and the first connecting hole is in communication with the embedding groove inside.

[0010] As a further scheme of the utility model: a second connecting hole is formed in the surface of the embedding block, the second connecting hole is in communication with the first connecting hole inside, and the first connecting hole and the second connecting hole are in matched connection with a bolt inside.

[0011] As a further scheme of the utility model: the adjusting and mounting assembly further comprises a welding block detachably connected on the surface of the supporting column, and the welding block is in matched connection with the placing block at one end.

[0012] As a further scheme of the utility model: a connecting plate is fixedly connected on the surface of the mounting base, a bolt is in matched connection with the connecting plate inside, and the bolt is in matched connection with the fixed plate inside at one end.

[0013] As a further scheme of the utility model: the mounting base is in matched connection with the tool shank inside, the tool shank is in matched connection with a tool bit at one end, and the tool bit is in the shape of a flat bottom.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] When the utility model is used, the counter sink drill is clamped and stabilized as a whole, two cross blocks are mounted on both sides of the surface of the fixed plate, the cross blocks are connected with the outside through the embedding grooves formed on the surface, the embedding blocks are connected by being inserted into the embedding grooves, the embedding grooves and the embedding blocks are in different structures, the stability is improved when they are spliced, the two arc-shaped plates are oppositely distributed, the tool shank is clamped and stabilized, the breakage and spatter of the tool shank are reduced, the counter sink drill with the blade type flat bottom for the blade machining of the ship adjustable pitch propeller is high in clamping protection during the whole machining, the use safety is improved, the breakage and spatter of the blade machining of the ship adjustable pitch propeller are not prone to occur, and the damage of personnel and equipment is not prone to occur, so that the danger is reduced.

[0016] The utility model discloses a plurality of support columns are installed in the inner cavity, and the support column can be replaced, and then the support column of different height is installed according to the height required, one end of the support column is welded and connected with the placing block through the welding block of cooperation and connection, and the cutter handle is installed through the placing block, the height of the counterbore drill can be adjusted through the support block of different height installed in the inner cavity, and then the blade type flat bottom counterbore drill for the machining of the propeller blade of marine adjustable pitch is installed, the height of the whole counterbore drill is adjusted higher, and the demand of the machining of the propeller blade of marine adjustable pitch is handled conveniently, thereby the usability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the overall structure schematic diagram of the utility model embodiment;

[0018] Fig. 2 It is the embedded block structure schematic diagram of the utility model embodiment;

[0019] Fig. 3 It is the internal structure schematic diagram of the installation base of the utility model embodiment;

[0020] Fig. 4 It is the support column structure schematic diagram of the utility model embodiment.

[0021] In the drawing: 1, fixed plate;201, cross block;202, first connecting hole;203, embedded groove;204, embedded block;205, second connecting hole;206, arc plate;301, installation base;302, inner cavity;303, support column;304, welding block;305, connecting plate;306, bolt;307, placing block;4, cutter handle;5, cutter head. DETAILED DESCRIPTION

[0022] In order to solve the problem conveniently, the utility model embodiment provides a kind of blade type flat bottom counterbore drill for the machining of the propeller blade of marine adjustable pitch.The technical scheme in the utility model embodiment will be described clearly and completely in conjunction with the drawings in the utility model embodiment, obviously, the described embodiment is only part of the utility model, not all the embodiments.Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the scope of the utility model. Embodiment one

[0023] As Figs. 1 to 4As shown, the blade type flat bottom countersink drill for propeller blade machining of the embodiment provides a kind of marine pitch propeller blade processing, including fixed plate 1, setting in the clamping stable component of fixed plate 1 one end and setting in the adjusting installation component of fixed plate 1 one side, the clamping stable component includes the cross piece 201 of being fixedly connected on the surface both sides of fixed plate 1, the surface of the cross piece 201 is equipped with the embedded groove 203, the embedded groove 203 is matched with the embedded block 204 inside connection, the embedded block 204 one end is fixedly connected with arc plate 206, the arc plate 206 surface is movably connected with tool shank 4, the tool shank 4 is clamped by the arc plate 206, the adjusting installation component includes the installation base 301 of being fixedly connected on the surface of fixed plate 1, the inner cavity 302 is equipped in the installation base 301, the inner cavity 302 is detachably connected with support column 303 inside, the support column 303 is multiple, the support column 303 one end is detachably connected with placing block 307, the installation of countersink drill is carried out by the placing block 307. Embodiment two

[0024] In addition to including all the technical features in embodiment one in the embodiment, it further includes: the clamping stable component further includes the first connecting hole 202 being equipped on the surface of cross piece 201, the first connecting hole 202 inside is communicated with the embedded groove 203 inside, the embedded block 204 surface is equipped with the second connecting hole 205, the second connecting hole 205 inside is communicated with the first connecting hole 202 inside, the first connecting hole 202 and the second connecting hole 205 are matched with bolt 306 inside connection, after the embedded block 204 is inserted into the embedded groove 203, the multiple second connecting holes 205 on the surface of embedded block 204 are aligned with the multiple first connecting holes 202 on the surface of cross piece 201 inside, i.e. bolt 306 can be installed therein, to fix embedded block 204 in cross piece 201, increase stable installation property.

[0025] Further, the adjusting installation component further includes the welding block 304 being detachably connected on the surface of support column 303, the welding block 304 one end is matched with placing block 307, the installation base 301 surface is fixedly connected with connecting plate 305, the connecting plate 305 is matched with bolt 306 inside connection, the bolt 306 one end is matched with fixed plate 1 inside, the welding between support column 303 and placing block 307 is carried out by welding block 304, to facilitate its fixation, the installation base 301 is connected with fixed plate 1 by the connecting plate 305 being fixedly connected on the surface, and the bolt 306 is screwed therein, to facilitate the fixation between installation base 301 and fixed plate 1.

[0026] Further, the installation base 301 is matched with tool shank 4 inside connection, the tool shank 4 one end is matched with tool bit 5, the tool bit 5 is flat bottom, the countersink drill structure formed by tool shank 4 and tool bit 5.

[0027] Working principle: when using, the whole is clamped and stabilized, two cross blocks 201 are installed on the surface of the fixed plate 1 on both sides, the cross block 201 is connected through the embedded groove 203 on the surface, after the block is inserted into the embedded groove 203, the second connecting hole 205 on the surface of the embedded block 204 is aligned with the first connecting hole 202 on the surface of the cross block 201, and then the bolt 306 is installed therein to fix the embedded block 204 in the cross block 201, so that the stability of the installation is increased, and the embedded block 204 is connected by being inserted into the embedded groove 203, the embedded groove 203 and the embedded block 204 are of different structures, so that the stability is increased when they are spliced, one end of the embedded block 204 is provided with an arc plate 206, the two arc plates 206 are oppositely distributed, the knife handle 4 is clamped and stabilized, the breakage and spatter of the whole are reduced, the clamping protection of the blade type flat bottom spot drill for ship adjustable pitch propeller blade machining is higher when it is used, the use safety of the whole is improved, the breakage and spatter of the ship adjustable pitch propeller blade machining are not easy to occur, so that the damage of personnel and equipment is not easy to cause, the danger is reduced, the knife handle 4 can be installed in the installation base 301, the installation base 301 is connected in the cavity 302, the supporting column 303 is installed in the cavity 302, the supporting column 303 can be replaced, different height supporting columns 303 can be installed according to the required height, one end of the supporting column 303 is welded and connected with the placing block 307 through the matched welding block 304, the knife handle 4 is installed through the placing block 307, the height of the spot drill can be adjusted by installing different height supporting blocks in the cavity 302, the supporting column 303 and the placing block 307 are welded through the welding block 304, which is convenient for fixing, the installation base 301 is connected with the fixed plate 1 through the connecting plate 305 fixedly connected on the surface, and the bolt 306 is screwed therein, so that the installation base 301 and the fixed plate 1 are fixed, and then the blade type flat bottom spot drill for ship adjustable pitch propeller blade machining has high height adjustment of the whole spot drill when it is installed, which is convenient for meeting the needs of different ship adjustable pitch propeller blade machining, thereby improving the usability.

[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

[0029] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A blade for machining a marine variable pitch propeller blade, which is a flat bottoming drill of the knife type, characterised in that: The utility model relates to a stable and adjustable drill bit holder, which comprises a fixed plate (1), a clamping and stabilizing assembly arranged at one end of the fixed plate (1), and an adjusting and mounting assembly arranged at one side of the fixed plate (1). The clamping and stabilizing assembly comprises cross blocks (201) fixedly connected to the surface of the fixed plate (1) on both sides, the cross blocks (201) are provided with embedding grooves (203) on the surface, the embedding grooves (203) are internally and movably connected with embedding blocks (204), the embedding blocks (204) are fixedly connected with arc-shaped plates (206) at one end, the arc-shaped plates (206) are movably connected with tool shanks (4) on the surface, and the tool shanks (4) are clamped by the arc-shaped plates (206). The adjusting and mounting assembly comprises a mounting base (301) fixedly connected to the surface of the fixed plate (1), the mounting base (301) is internally provided with an inner cavity (302), the inner cavity (302) is internally and detachably connected with supporting columns (303), the supporting columns (303) are multiple, the supporting columns (303) are detachably connected with placing blocks (307) at one end, and the tappered drills are mounted by the placing blocks (307).

2. A blade for machining a propeller blade of a controllable pitch propeller for a marine vessel according to claim 1, characterized in that: The clamping and stabilizing assembly further comprises first connecting holes (202) formed on the surface of the cross blocks (201), the first connecting holes (202) are internally communicated with the embedding grooves (203).

3. A blade for machining a propeller blade of a controllable pitch propeller for a marine vessel according to claim 2, characterized in that: The embedding blocks (204) are provided with second connecting holes (205) on the surface, the second connecting holes (205) are internally communicated with the first connecting holes (202), and the first connecting holes (202) and the second connecting holes (205) are internally and movably connected with bolts (306).

4. A blade type spade drill for machining of a controllable pitch propeller blade according to claim 1, characterized in that: The adjusting and mounting assembly further comprises welding blocks (304) detachably connected to the surface of the supporting columns (303), and the welding blocks (304) are movably connected with the placing blocks (307) at one end.

5. A blade for machining a propeller blade of a controllable pitch propeller for a marine vessel according to claim 1, characterized in that: The mounting base (301) is fixedly connected with a connecting plate (305) on the surface, the connecting plate (305) is movably connected with the bolts (306) on the inside, and the bolts (306) are movably connected in the fixed plate (1) at one end.

6. A blade for machining a propeller blade of a controllable pitch propeller for a marine vessel according to claim 1, characterized in that: The mounting base (301) is movably connected with the tool shanks (4) on the inside, the tool shanks (4) are movably connected with tool bits (5) at one end, and the tool bits (5) are flat-bottomed.

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