Detachable PCD reamer

Abstract

The utility model relates to the technical field of PCD reamers, and discloses a detachable PCD reamer which comprises an installation block, fixing mechanisms are fixedly connected to the middle of the left end and the middle of the right end of the installation block in a penetrating mode, an assembly groove is formed in the middle of the lower end of the installation block, and an assembly block is installed in the assembly groove. A second magnetic plate is fixedly connected to the lower portion of the outer surface of the assembling block in a penetrating mode, a PCD reamer body is fixedly connected to the middle of the lower end of the assembling block in a penetrating mode, a first magnetic plate is fixedly connected to the lower end of the mounting block, a through hole is formed in the middle of the upper end of the first magnetic plate, and the hole wall of the through hole is slidably connected with the outer surface of the assembling block. According to the PCD reamer capable of being rapidly assembled, through the arrangement of the fixing mechanism and the limiting mechanism, rapid assembly of the PCD reamer can be achieved, the replacement efficiency of the reamer is improved, through the arrangement of the positioning rod and the reinforcing frame, the PCD reamer can be assembled more stably and firmly, and the PCD reamer is suitable for being widely used.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCD reamer technical field, especially detachable PCD reamer. BACKGROUND

[0002] PCD reamer is a kind of tool for finish machining and semi-finishing, and currently precision hole machining in machining industry is mostly welded with tool bit on tool bar or tool bit and tool bar integral structure, for high-precision deep hole, usually first rough reamer is used to carry out rough reaming, then fine reamer is used to carry out fine reaming, and the rough machining and finish machining of hole are respectively completed by changing tool, in the use process of existing PCD reamer, the installation mode of PCD reamer is mostly fixed by using multiple bolts, it is inconvenient to rotate multiple bolts when installing and disassembling, PCD reamer disassembly is more cumbersome, a lot of time is wasted, the tool replacement efficiency is reduced, and the stability of PCD reamer is reduced because the connection between PCD reamer and mounting block is not firm enough, therefore, we launch the PCD reamer of quick assembly. SUMMARY

[0003] The present application provides a detachable PCD reamer to solve the above problems.

[0004] The PCD reamer of quick assembly, including mounting block, the left end middle part and the right end middle part of mounting block are all fixedly connected with fixed mechanism by penetrating, the lower middle part of mounting block is provided with assembly slot, the assembly block is installed in assembly slot, the lower part of the outer surface of assembly block is fixedly connected with second magnetic plate by penetrating, the lower middle part of assembly block is fixedly connected with PCD reamer body by penetrating, the lower end of mounting block is fixedly connected with first magnetic plate, the upper middle part of first magnetic plate is provided with through hole, and the hole wall of through hole is slidably connected with the outer surface of assembly block.

[0005] Preferably, the fixed mechanism includes a fixed box, three inlets and outlets are formed in the middle part of the right box wall of the fixed box, a limiting mechanism is movably connected to the middle part of the left box wall of the fixed box by penetrating, a reinforcing strip is fixedly connected to the right front end and the right rear end of the fixed box, and the outer surfaces of the two reinforcing strips and the right part of the outer surface of the fixed box are fixedly connected with the mounting block by penetrating.

[0006] Preferably, the limiting mechanism includes a limiting plate, three limiting blocks are fixedly connected to the middle part of the right end of the limiting plate, springs are fixedly connected to the upper left end and the lower left end of the limiting plate, the left ends of the two springs are fixedly connected with the left box wall of the fixed box, a limiting rod is fixedly connected to the middle part of the left end of the limiting plate, and the left part of the outer surface of the limiting rod is movably connected with the left box wall of the fixed box by penetrating.

[0007] Preferably, the limiting block and the limiting slot are provided in a wedge-shaped structure, and the limiting block is located in the corresponding inlet and outlet.

[0008] Preferably, a positioning rod is fixedly connected to the middle of the upper groove wall of the assembly groove, a reinforcing frame is fixedly connected to the upper part of the outer surface of the positioning rod, three limiting slots are formed in the middle of the left end and the middle of the right end of the assembly block, a positioning slot is fixedly connected to the middle of the upper end of the assembly block, and a reinforcing slot is formed in the upper part of the side groove wall of the positioning slot and is clamped with the reinforcing frame.

[0009] Preferably, the positioning rod and the positioning slot are provided in a polygonal structure, the reinforcing frame and the reinforcing slot are provided in a cross-shaped structure, and the magnetic poles of the second magnetic plate are opposite to the magnetic poles of the first magnetic plate.

[0010] The beneficial effects of the present application are:

[0011] (1) By setting the fixing mechanism and the limiting mechanism, the assembly block is inserted into the assembly groove, then the limiting plate is pushed to the middle by the elasticity of the spring, the limiting block is stretched out from the inlet and outlet, and is inserted into the limiting slot for clamping and fixing, so that the quick assembly of the PCD reamer is realized, thereby saving the assembly time of the tool and improving the replacement efficiency of the tool.

[0012] (2) By setting the positioning rod and the reinforcing frame, the positioning rod is inserted into the positioning slot, the PCD reamer is positioned, the mounting block and the assembly block are clamped and fixed firmly through the clamping between the reinforcing frame and the reinforcing slot, and then the PCD reamer is assembled more firmly through the magnetic force adsorption of the first magnetic plate to the second magnetic plate, thereby improving the stability of the PCD reamer. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Figure 1 It is a whole structure schematic view of the present application;

[0015] Figure 2 It is a whole structure schematic view of the fixing mechanism of the present application;

[0016] Figure 3 It is a whole structure schematic view of the limiting mechanism of the present application;

[0017] Figure 4 It is a cross-sectional structure schematic view of the mounting block of the present application.

[0018] In the figure: 1, mounting block; 2, fixing mechanism; 3, assembly groove; 4, first magnetic plate; 5, through hole; 6, assembly block; 7, second magnetic plate; 8, PCD reamer body; 9, positioning rod; 10, reinforcing frame; 11, limiting clamping groove; 12, positioning groove; 13, reinforcing groove; 21, fixed box; 22, inlet and outlet; 23, limiting mechanism; 24, reinforcing strip; 231, limiting plate; 232, limiting clamping block; 233, spring; 234, limiting rod. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below.

[0020] Quick assembly can be seen from Figures 1-4 The detachable PCD reamer provided in the present application comprises a mounting block 1, fixing mechanisms 2 are fixedly connected to the middle part of the left end and the middle part of the right end of the mounting block 1, an assembly groove 3 is formed in the middle part of the lower end of the mounting block 1, an assembly block 6 is installed in the assembly groove 3, a second magnetic plate 7 is fixedly connected to the lower part of the outer surface of the assembly block 6, a PCD reamer body 8 is fixedly connected to the middle part of the lower end of the assembly block 6, a first magnetic plate 4 is fixedly connected to the lower end of the mounting block 1, a through hole 5 is formed in the middle part of the upper end of the first magnetic plate 4, and the hole wall 5 of the through hole is in sliding connection with the outer surface of the assembly block 6.

[0021] In the embodiment, the fixing mechanism 2 comprises a fixed box 21, three inlets and outlets 22 are formed in the middle part of the right box wall of the fixed box 21, a limiting mechanism 23 is movably connected to the middle part of the left box wall of the fixed box 21, reinforcing strips 24 are fixedly connected to the right front end and the right rear end of the fixed box 21, and the outer surfaces of the two reinforcing strips 24 and the right part of the outer surface of the fixed box 21 are fixedly connected with the mounting block 1; the limiting mechanism 23 comprises a limiting plate 231, three limiting clamping blocks 232 are fixedly connected to the middle part of the right end of the limiting plate 231, springs 233 are fixedly connected to the upper left end and the lower left end of the limiting plate 231, the left ends of the two springs 233 are fixedly connected with the left box wall of the fixed box 21, a limiting rod 234 is fixedly connected to the middle part of the left end of the limiting plate 231, and the left part of the outer surface of the limiting rod 234 is movably connected with the left box wall of the fixed box 21; the limiting clamping block 232 and the limiting clamping groove 11 are both provided in a wedge-shaped structure, so that the limiting clamping block 232 can be firmly clamped with the limiting clamping groove 11, and the limiting clamping block 232 is located in the corresponding inlet and outlet 22, which is beneficial to the extension and retraction movement of the limiting clamping block 232 in the inlet and outlet 22, and the opposite faces of the two fixed boxes 21 are flush with the left groove wall and the right groove wall of the assembly groove 3, which does not affect the insertion of the assembly block 6.

[0022] In this embodiment, the upper groove wall of the assembly groove 3 is fixedly connected with a positioning rod 9, the outer surface of the upper part of the positioning rod 9 is fixedly connected with a reinforcing frame 10, the left end middle part and the right end middle part of the assembly block 6 are each provided with three limiting clamping grooves 11, the upper end middle part of the assembly block 6 is fixedly connected with a positioning groove 12, the side groove wall of the upper part of the positioning groove 12 is provided with a reinforcing groove 13, and the reinforcing groove 13 is clamped with the reinforcing frame 10; the positioning rod 9 and the positioning groove 12 are both provided with a polygonal structure, so that the assembly block 6 is clamped with the mounting block 1 firmly, the reinforcing frame 10 and the reinforcing groove 13 are both provided with a cross-shaped structure, so that the reinforcing frame 10 is clamped with the reinforcing groove 13 firmly, and the stability of the assembly block 6 is improved; the magnetic pole of the second magnetic plate 7 is opposite to the magnetic pole of the first magnetic plate 4, so that the second magnetic plate 7 and the first magnetic plate 4 can generate an attractive force, and the adsorption and fixing effect can be strengthened.

[0023] It should be noted that the PCD reamer of the utility model can be quickly assembled, in the use process, first, the assembly block 6 on the upper part of the PCD reamer body 8 is inserted into the assembly groove 3, the wedge-shaped limiting clamping block 232 is pushed back into the fixed box 21, when the positioning rod 9 is inserted into the positioning groove 12 to position the assembly block 6, the limiting plate 231 can be pushed to the middle through the elasticity of the spring 233, so that the limiting clamping block 232 extends from the inlet and outlet 22 and is inserted into the corresponding limiting clamping groove 11, the assembly block 6 is clamped and fixed, the PCD reamer body 8 can be installed and fixed, the quick assembly of the PCD reamer can be realized, so that the assembly of the cutter is more quick and convenient, the assembly time of the cutter is saved, through the clamping between the reinforcing frame 10 and the reinforcing groove 13, the mounting block 1 and the assembly block 6 can be clamped and fixed firmly, through the magnetic force adsorption of the second magnetic plate 7 by the first magnetic plate 4, the assembly block 6 can be adsorbed and fixed, the assembly block 6 can be assembled more firmly and stably, and the stability of the PCD reamer body 8 is improved, when the PCD reamer body 8 needs to be replaced, the limiting clamping block 232 can be taken out from the limiting clamping groove 11 by pulling the limiting rod 234 outward, so that the assembly block 6 can be quickly disassembled from the assembly groove 3, and the replacement efficiency of the cutter is effectively improved.

[0024] The basic principle and main features of the present application are shown and described above, and the advantages of the present application are also shown and described above. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A detachable PCD reamer comprising a mounting block (1), characterized in that, The middle part of the left end and the middle part of the right end of the mounting block (1) are fixedly connected with the fixing mechanism (2), the middle part of the lower end of the mounting block (1) is provided with the assembly groove (3), the assembly groove (3) is provided with the assembly block (6), the lower part of the outer surface of the assembly block (6) is fixedly connected with the second magnetic plate (7), the middle part of the lower end of the assembly block (6) is fixedly connected with the PCD reamer body (8), the lower end of the mounting block (1) is fixedly connected with the first magnetic plate (4), the middle part of the upper end of the first magnetic plate (4) is provided with the through hole (5), and the hole wall of the through hole (5) is in sliding connection with the outer surface of the assembly block (6).

2. A detachable PCD reamer according to claim 1, wherein, The fixing mechanism (2) comprises a fixing box (21), the middle part of the right box wall of the fixing box (21) is provided with three inlets and outlets (22), the middle part of the left box wall of the fixing box (21) is movably connected with the limiting mechanism (23), the right end of the front end and the right end of the rear end of the fixing box (21) are fixedly connected with the reinforcing strips (24), and the outer surfaces of the two reinforcing strips (24) and the right part of the outer surface of the fixing box (21) are fixedly connected with the mounting block (1).

3. The detachable PCD reamer of claim 2, wherein, The limiting mechanism (23) comprises a limiting plate (231), the middle part of the right end of the limiting plate (231) is fixedly connected with three limiting clamping blocks (232), the upper left end and the lower left end of the limiting plate (231) are fixedly connected with the springs (233), the left ends of the two springs (233) are fixedly connected with the left box wall of the fixing box (21), the middle part of the left end of the limiting plate (231) is fixedly connected with the limiting rod (234), and the left part of the outer surface of the limiting rod (234) is movably connected with the left box wall of the fixing box (21).

4. A detachable PCD reamer according to claim 3, wherein, The limiting clamping block (232) and the limiting clamping groove (11) are provided in a wedge-shaped structure, and the limiting clamping block (232) is located in the corresponding inlet and outlet (22).

5. A detachable PCD reamer according to claim 2, wherein, The middle part of the upper groove wall of the assembly groove (3) is fixedly connected with the positioning rod (9), the upper part of the outer surface of the positioning rod (9) is fixedly connected with the reinforcing frame (10), the middle part of the left end and the middle part of the right end of the assembly block (6) are provided with three limiting clamping grooves (11), the middle part of the upper end of the assembly block (6) is fixedly connected with the positioning groove (12), the upper part of the side groove wall of the positioning groove (12) is provided with the reinforcing groove (13), and the reinforcing groove (13) is clamped with the reinforcing frame (10).

6. A detachable PCD reamer according to claim 5, wherein, The positioning rod (9) and the positioning groove (12) are provided in a polygonal structure, the reinforcing frame (10) and the reinforcing groove (13) are provided in a cross-shaped structure, and the magnetic poles of the second magnetic plate (7) are opposite to the magnetic poles of the first magnetic plate (4).

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