CN221473730U - Flange type reamer with replaceable head - Google Patents

Abstract

The utility model discloses a flange type reamer with a replaceable head, which relates to the technical field of reamers and comprises a reamer head mechanism and a reamer handle assembly, wherein the reamer handle assembly comprises a limiting column and a reamer handle, the reamer handle is connected with the limiting column, the reamer head mechanism comprises a flange and a reamer head connected with the flange, a fastener is arranged between the limiting column and the flange, and the limiting column is connected with the flange through the fastener. The reamer provided by the utility model has the advantages that the reamer head and the reamer teeth are broken or the reamer handle is broken in the use process, so that the broken parts can be quickly replaced, the replacement cost is reduced, the use effect and durability of the reamer are improved, and the working efficiency is improved.

Description

Flange type reamer with replaceable head

Technical Field

The application relates to the technical field of reamers, in particular to a flange type reamer with a replaceable head.

Background

The reamer is a rotary cutter with one or more cutter teeth for cutting off thin metal on the surface of the processed hole, and the reamer is a rotary finishing cutter with a straight edge or a spiral edge for reaming or repairing the hole. At present, most of reamers are reamer head mechanisms and reamer handle components integrated structures, and the phenomenon that reamer heads break edges of cutter teeth or reamer handles are broken easily occurs in the using process of the reamers, so that the cost of replacement is increased due to the fact that the reamers are replaced integrally, and the working efficiency is reduced.

Disclosure of utility model

The application aims to provide a flange type reamer with a replaceable head, which can reduce the replacement cost of the reamer.

The application provides a flange type reamer with a replaceable head, which adopts the following technical scheme:

the utility model provides a flange formula reamer that can trade head, includes reamer head mechanism and reamer handle subassembly, reamer handle subassembly includes spacing post and reamer handle, the reamer handle with spacing post is connected, reamer head mechanism include the flange and with flange joint's reamer head, spacing post with be provided with the fastener between the flange, spacing post with the flange passes through the fastener and connects.

Through adopting above-mentioned technical scheme for flange can dismantle with spacing post and be connected, reamer head sword tooth tipping or reamer stalk portion rupture appear in the use, can carry out quick replacement to damaged part, reduce replacement cost, improved reamer's result of use and durability and improvement work efficiency.

Optionally, the fastener includes the bolt, the flange runs through along self thickness direction and is provided with the centre bore, spacing post be close to the one end of flange seted up with the first screw hole of centre bore intercommunication, screw rod on the bolt run through the centre bore and with first screw hole threaded connection.

By adopting the technical scheme, the flange and the limit column can be quickly connected and detached, so that the replacement cost is reduced.

Optionally, a boss is disposed at one end of the flange facing away from the reamer head, the limiting post is provided with a groove, and the boss is in plug-in fit with the groove.

By adopting the technical scheme, the lug boss is embedded into the groove, so that the flange and the limit column can be rapidly positioned.

Optionally, the fastener further includes a stud, a positioning hole is further formed in a peripheral wall of the limiting post, the stud is in threaded connection with an inner wall of the positioning hole, and the stud is used for being abutted to the boss.

Through adopting above-mentioned technical scheme, can fix a position the restriction to the boss, reduce the reamer use in-process boss and rock, guarantee the stability of reamer.

Optionally, an abutting groove for inserting one end of the stud is formed in the peripheral wall of the boss, and the end wall of the stud abuts against the bottom wall of the abutting groove.

Through adopting above-mentioned technical scheme, the diapire butt of the end wall of double-screw bolt and butt groove can restrict the boss for the rotation of spacing post to further improve the stability of being connected between flange and the spacing post, improve the result of use of reamer.

Optionally, the fastener further comprises a screw, the flange is further provided with a counter bore, the limiting column is further provided with a second threaded hole communicated with the counter bore, the screw penetrates through the counter bore, and the end portion of the screw is in threaded connection with the second threaded hole.

Through adopting above-mentioned technical scheme, flange and spacing post installation location in the reamer of being convenient for improves installation effectiveness.

Optionally, the reamer head mechanism further comprises a reamer rod, wherein one end of the reamer rod is fixedly connected with the reamer head, and the other end of the reamer rod is fixedly connected with the flange.

By adopting the technical scheme, the reamer rod can increase the distance between the reamer heads and the flanges, so that the reamer reaming depth is improved.

Optionally, the reamer head includes mount pad and reamer piece, the mount pad is provided with the reamer piece groove that supplies the reamer piece to inlay and establishes, the mount pad with the reamer bar links to each other, the reamer piece links to each other with the inside wall in reamer piece groove.

By adopting the technical scheme, the reamer blade is arranged in the reamer groove, so that thin metal of a machined hole can be conveniently removed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. According to the reamer disclosed by the utility model, the flange is arranged on the reamer head mechanism, the boss is arranged at one end of the flange, which is far away from the reamer head, the reamer handle component is provided with the limiting column, the limiting column is provided with the groove, the boss is embedded into the groove and is connected with the limiting column through the bolt, so that the reamer head mechanism and the reamer handle component form the splicing mechanism, and when the reamer is broken in the use process, the broken part can be quickly replaced, the replacement cost is reduced, the use effect and durability of the reamer are improved, and the working efficiency is improved.

2. The reamer head mechanism and the reamer handle assembly are of a split structure, are connected through bolts and are limited through the studs, so that quick installation and disassembly can be realized, and the replacement cost is reduced.

Drawings

Fig. 1 is a schematic structural view of a flanged interchangeable head reamer.

Fig. 2 is a partial exploded view of fig. 1.

Fig. 3 is a partial exploded view of fig. 1.

Fig. 4 is a top view of fig. 1.

Fig. 5 is a partial cross-sectional view of fig. 4 A-A.

In the figure, 1, a reamer head mechanism; 10. a reamer head; 100. a hinge blade slot; 101. a hinge blade; 102. a mounting base; 11. a flange; 110. a boss; 111. a central bore; 112. countersink; 113. an abutment groove; 114. a nut hole; 12. a reamer bar; 2. a reamer handle assembly; 20. a limit column; 200. a groove; 201. a first threaded hole; 202. positioning holes; 203. a second threaded hole; 21. a cutter handle is hinged; 3. a fastener; 30. a bolt; 300. a screw; 301. a screw cap; 31. a stud; 32. and (5) a screw.

Detailed Description

The present application will be described in further detail with reference to fig. 1 to 5.

Referring to fig. 1, the flange type reamer with the replaceable head comprises a reamer head mechanism 1, a reamer handle assembly 2 and a fastener 3, wherein the reamer head mechanism 1 is connected with the reamer handle assembly 2 through the fastener 3.

Referring to fig. 1 and 2, the reamer head mechanism 1 comprises a reamer head 10, a reamer rod 12 and a flange 11, wherein one end of the reamer rod 12 is fixedly connected with the reamer head 10, the other end of the reamer rod is fixedly connected with the end wall of the flange 11, and the joint of the reamer rod 12 and the flange 11 is in arc transition, so that in the using process of the reamer, the reamer rod 12 can be buffered, and the service life of the reamer is prolonged.

The reamer head 10 includes a mounting seat 102 and a reamer blade 101, the mounting seat 102 is provided with a reamer blade groove 100 for the reamer blade 101 to be embedded, the mounting seat 102 is connected with the reamer rod 12, and the reamer blade 101 is connected with the inner side wall of the reamer blade groove 100, so that the thin metal on the surface of the machined hole can be conveniently removed.

Referring to fig. 2, the reamer handle assembly 2 includes a limiting post 20 and a reamer handle 21, wherein one end of the reamer handle 21 is fixedly connected with the limiting post 20, and the other end is connected with a machine tool (not shown), so that the reamer can be ensured to be used normally. The bottom end of the flange 11 is fixedly connected with the limiting column 20 through the fastener 3, so that the flange 11 and the limiting column 20 form a splicing mechanism, the reamer head 10 is broken in the cutter tooth or the reamer handle 21 is broken in the using process, the damaged part can be quickly replaced, and the replacement cost is reduced.

Referring to fig. 2, 3 and 5, a boss 110 is welded to an end wall of one end of the flange 11 facing away from the reamer shank 12, a nut hole 114 is formed in an end wall of one end of the flange 11 adjacent to the reamer shank 12, and a center hole 111 is formed in a bottom wall of the nut hole 114 in a penetrating manner in a thickness direction of the flange 11; the recess 200 has been seted up to the end wall that spacing post 20 deviates from reamer handle 21 one end and the top layer of spacing post 20 has been seted up with the first screw hole 201 of centre bore 111 intercommunication, boss 110 and recess 200 grafting cooperation can make flange 11 and spacing post 20 be connected more firm, fastener 3 includes bolt 30, bolt 30 includes nut 301 and the screw rod 300 that links to each other with nut 301, nut hole 114 is passed to bolt 30, screw rod 300 runs through centre bore 111 and with first screw hole 201 threaded connection, the surface of nut 302 and the internal surface butt of nut hole 114 can make flange 11 and spacing post 20 fixed connection, also can install fast and dismantle, improve work efficiency.

Referring to fig. 2, 3 and 4, the peripheral wall of the limit post 20 is further provided with a positioning hole 202, the fastener 3 further comprises a stud 31, the peripheral wall of the boss 110 is provided with an abutting groove 113, and the stud 31 is in threaded fit with the positioning hole 202; the stud 31 is rotated, one end of the stud 31 can be inserted into the abutting groove 113, and the end wall of the corresponding end of the stud 31 can abut against the bottom wall of the abutting groove 113, so as to limit the rotation of the boss 110 relative to the limiting post 20, thereby further improving the stability of connection between the flange 11 and the limiting post 20 and improving the use effect of the reamer.

The fastener 3 further comprises a screw 32, the flange 11 is further provided with a counter bore 112 in a penetrating mode along the thickness direction of the fastener, the limiting column 20 is further provided with a second threaded hole 203 communicated with the counter bore 112, the screw 32 penetrates through the counter bore 112, the end portion of the screw 32 is in threaded connection with the second threaded hole 203, and therefore the flange and the limiting column in the reamer are convenient to install and position, and installation efficiency is improved.

The implementation principle of the embodiment of the application is as follows: in use, the boss 110 on the flange 11 is first inserted into the recess 200, the flange 11 is rotated to align the counter bore 112 with the centerline of the second threaded bore 203, and then the screw 32 is threaded through the counter bore 112 and into threaded engagement with the second threaded bore 203; further, the bolt 30 is passed through the nut hole 114, the outer side wall of the screw 300 thereof is abutted against the inner side wall of the center hole 111, and the outer surface of the nut 302 is abutted against the inner surface of the nut hole 114; secondly, the stud 31 passes through the positioning hole 202, the end wall of the stud 31 is abutted with the bottom wall of the abutting groove 113, the outer wall of the stud 31 is in threaded connection with the inner wall of the positioning hole 202, the boss 110 is limited and positioned, and the bolt 30, the stud 31 and the screw 32 are screwed; and finally, loading the installed reamer into a machine tool for use.

When the reamer blade 101 or the reamer handle 21 is broken in the using process of the reamer, the reamer head mechanism 1 and the reamer handle assembly 2 can be separated only by disassembling the bolt 30, the stud 31 and the screw, and the new reamer head mechanism 1 is replaced, so that the waste of the reamer handle assembly 2 is reduced, the replacement cost is reduced, the using effect and the durability of the reamer are improved, and the working efficiency is improved.

The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The utility model provides a flange formula reamer that can trade head, includes reamer head mechanism (1) and reamer handle subassembly (2), its characterized in that: reamer handle subassembly (2) are including spacing post (20) and reamer handle (21), reamer handle (21) with spacing post (20) are connected, reamer head mechanism (1) include flange (11) and with reamer head (10) that flange (11) are connected, spacing post (20) with be provided with fastener (3) between flange (11), spacing post (20) with flange (11) are connected through fastener (3).

2. The flanged interchangeable head reamer of claim 1, wherein: the fastener (3) comprises a bolt (30), a central hole (111) is formed in the flange (11) in a penetrating mode in the thickness direction of the flange, a first threaded hole (201) communicated with the central hole (111) is formed in one end, close to the flange (11), of the limiting column (20), and a screw rod (300) on the bolt (30) penetrates through the central hole (111) and is in threaded connection with the first threaded hole (201).

3. The flanged interchangeable head reamer of claim 1, wherein: one end of the flange (11) deviating from the reamer head (10) is provided with a boss (110), the limiting column (20) is provided with a groove (200), and the boss (110) is in plug-in fit with the groove (200).

4. A flanged interchangeable head reamer according to claim 3, wherein: the fastener (3) further comprises a stud (31), a positioning hole (202) is further formed in the peripheral wall of the limiting column (20), the stud (31) is in threaded connection with the inner wall of the positioning hole (202), and the stud (31) is used for being abutted to the boss (110).

5. The flanged interchangeable head reamer of claim 4, wherein: the circumferential wall of the boss (110) is provided with an abutting groove (113) for inserting one end of the stud (31), and the end wall of the stud (31) abuts against the bottom wall of the abutting groove (113).

6. The flanged interchangeable head reamer of claim 1, wherein: the fastener (3) further comprises a screw (32), the flange (11) is further provided with a counter bore (112), the limiting column (20) is further provided with a second threaded hole (203) communicated with the counter bore (112), the screw (32) penetrates through the counter bore (112), and the end part of the screw (32) is in threaded connection with the second threaded hole (203).

7. The flanged interchangeable head reamer of claim 1, wherein: the reamer head mechanism (1) further comprises a reamer rod (12), one end of the reamer rod (12) is fixedly connected with the reamer head (10), and the other end of the reamer rod is fixedly connected with the flange (11).

8. The flanged interchangeable head reamer of claim 7, wherein: the reamer head (10) comprises a mounting seat (102) and a reamer blade (101), wherein the mounting seat (102) is provided with a reamer blade groove (100) for the reamer blade (101) to be embedded, the mounting seat (102) is connected with the reamer rod (12), and the reamer blade (101) is connected with the inner side wall of the reamer blade groove (100).