Fine reamer for cam hole

Abstract

The utility model relates to the technical field of reamers, and discloses a finishing reamer for a cam hole, which comprises a mounting seat, the connecting block is arranged on the right side of the mounting seat; the cutter body is arranged at the right end of the connecting block; the fixing mechanism is arranged on the connecting block, the fixing mechanism comprises a round block, a round groove, a fixing groove and a clamping rod, the round groove is formed in the right end of the connecting block, the round block is fixedly connected to the left side of the cutter body and inserted into the round groove, the fixing groove is formed in the bottom of the round block, and one end of the clamping rod is inserted into the fixing groove; the cutter body is installed on related equipment through the installation base, the pressing block is pressed to drive the clamping rod to move, so that one end of the clamping rod is separated from the fixing groove, the cutter body can be replaced by releasing limitation of the round block, different cutter bodies can be replaced without overall disassembly, and the machining efficiency of cam holes is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of reamer, in particular to a precision reamer for a cam hole. Background Art

[0002] A reamer is a rotary tool with one or more teeth used to remove a thin layer of metal from the surface of a processed hole. A reamer is a rotary finishing tool with a straight or spiral edge, used for expanding or repairing holes. Reamers usually require higher processing accuracy than drills because of their small cutting volume. They can be operated manually or installed on a drilling machine.

[0003] In the prior art, a precision reamer is used when machining a cam hole. However, the precision reamer is generally formed in one piece and needs to be disassembled and replaced as a whole, which is inconvenient to operate and affects the machining efficiency of the cam hole. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a precision reamer for a cam hole.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision reamer for a cam hole, comprising a mounting seat; a connecting block arranged on the right side of the mounting seat; a tool body arranged at the right end of the connecting block; and a fixing mechanism arranged on the connecting block, the fixing mechanism comprising a round block, a round groove, a fixing groove and a clamping rod, the round groove is opened at the right end of the connecting block, the round block is fixedly connected to the left side of the tool body and inserted into the inside of the round groove, the fixing groove is opened at the bottom of the round block, and one end of the clamping rod is inserted into the inside of the fixing groove.

[0008] Preferably, a groove is provided on the connecting block, a pressing block is slidably connected inside the groove, a sliding groove is provided at the bottom of the connecting block, the other end of the clamping rod passes through the top of the inner wall of the sliding groove and extends to the inside of the groove, the clamping rod is slidably connected to the connecting block and the sliding groove, and the other end is fixedly connected to the bottom of the pressing block, and the sliding groove is provided to reserve movable space for the clamping rod, and the clamping rod is hook-shaped.

[0009] Preferably, a spring is provided inside the groove, and the spring is sleeved on the outer wall of the clamping rod. The two ends of the spring are respectively fixedly connected to the bottom of the pressing block and the bottom of the inner wall of the groove. The spring can be provided to drive the clamping rod to reset. The groove leaves room for the pressing block to move and is embedded inside to avoid protrusion on the surface of the connecting block.

[0010] Preferably, a square groove starts from the left side of the inner wall of the circular groove, and a square block is inserted into the inside of the square groove, and the square block is fixedly connected to the left side of the circular block.

[0011] Preferably, a through hole is formed on the clamping rod, and a circular hole is formed at the bottom of the inner wall of the through hole.

[0012] Preferably, the mounting seat is provided with three mounting holes, which are distributed in a circle. The mounting holes can be used to mount the precision reamer on relevant equipment in conjunction with bolts.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a fine reamer for a cam hole, which has the following beneficial effects:

[0015] 1. A precision reamer for a cam hole is used to install the cutter body on relevant equipment by using a mounting seat, and the pressing block is pressed to drive the clamping rod to move so that one end of the clamping rod is separated from the fixed groove. The restriction of the round block is released and the cutter body can be replaced. Different cutter bodies can be replaced without overall disassembly, thereby improving the processing efficiency of the cam hole.

[0016] 2. This kind of precision reamer for cam holes facilitates the alignment of the clamping rod with the fixed groove by arranging the square block and the square groove, so that the tool body can be quickly installed, and the stability of the installation of the round block can be improved, thereby improving the stability of the tool body processing. The coolant that penetrates into the groove can be discharged later by arranging the through hole and the round hole, avoiding adverse effects on the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the utility model;

[0020] Figure 3 It is an enlarged view of A of the present utility model.

[0021] In the figure: 1. mounting seat; 2. connecting block; 3. knife body; 4. mounting hole; 5. fixing mechanism; 51. round block; 52. round groove; 53. fixing groove; 54. groove; 55. pressing block; 56. clamping rod; 57. spring; 58. slide groove; 6. through hole; 7. round hole; 8. square block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Example 1

[0024] like Figure 1-3 As shown, the utility model provides a precision reamer for a cam hole, comprising a mounting seat 1; a connecting block 2 arranged on the right side of the mounting seat 1; a tool body 3 arranged at the right end of the connecting block 2; and a fixing mechanism 5 arranged on the connecting block 2, the fixing mechanism 5 comprising a round block 51, a round groove 52, a fixing groove 53 and a clamping rod 56, the round groove 52 is arranged at the right end of the connecting block 2, the round block 51 is fixedly connected to the left side of the tool body 3 and inserted into the inside of the round groove 52, the fixing groove 53 is arranged at the bottom of the round block 51, and one end of the clamping rod 56 is inserted into the inside of the fixing groove 53, a groove 54 is arranged on the connecting block 2, a pressing block 55 is slidably connected to the inside of the groove 54, a sliding groove 58 is arranged at the bottom of the connecting block 2, and the other end of the clamping rod 56 passes through the top of the inner wall of the sliding groove 58 and extends to the groove 54 The inside of the clamping rod 56 is slidably connected with the connecting block 2 and the slide groove 58, and the other end is fixedly connected to the bottom of the pressing block 55. The slide groove 58 is provided to leave room for the clamping rod 56 to move, and the clamping rod 56 is hook-shaped. A spring 57 is provided inside the groove 54, and the spring 57 is sleeved on the outer wall of the clamping rod 56. The two ends of the spring 57 are respectively fixedly connected to the bottom of the pressing block 55 and the bottom of the inner wall of the groove 54. The clamping rod 56 can be driven to reset by providing the spring 57. The groove 54 leaves room for the pressing block 55 to move and makes it embedded inside to avoid the surface of the connecting block 2 from protruding. The mounting seat 1 is provided with mounting holes 4, and the number of the mounting holes 4 is three, and the three mounting holes 4 are distributed in a circle. By providing the mounting holes 4, the precision reamer can be mounted to relevant equipment in conjunction with bolts.

[0025] In this embodiment, the cutter body 3 is installed on the relevant equipment by using the mounting seat 1, and the pressing block 55 is pressed to drive the clamping rod 56 to move, so that one end of the clamping rod 56 is disengaged from the fixing groove 53. The restriction of the round block 51 is released and the cutter body 3 can be replaced. Different cutter bodies 3 can be replaced without overall disassembly, thereby improving the processing efficiency of the cam hole.

[0026] Example 2

[0027] like Figure 2 As shown, based on Example 1, the utility model provides a technical solution: preferably, a square groove starts from the left side of the inner wall of the circular groove 52, and a square block 8 is inserted into the inside of the square groove, and the square block 8 is fixedly connected to the left side of the circular block 51.

[0028] In this embodiment, the square block 8 and the square groove are provided to facilitate the alignment of the clamping rod 56 with the fixing groove 53, so that the cutter body 3 can be installed quickly, and the stability of the installation of the round block 51 can be improved, thereby improving the stability of the processing of the cutter body 3.

[0029] Example 3

[0030] like Figure 3 As shown, based on Example 1, the utility model provides a technical solution: preferably, a through hole 6 is opened on the clamping rod 56, and a circular hole 7 is opened at the bottom of the inner wall of the through hole 6.

[0031] In this embodiment, the through hole 6 and the circular hole 7 are provided so that the coolant that penetrates into the groove 54 can be discharged backwards, thereby avoiding adverse effects on the spring 57 .

[0032] The following is a detailed description of the working principle of this cam hole precision reamer.

[0033] like Figure 1-3 As shown, when in use, the tool body 3 is installed on the relevant equipment by using the mounting seat 1, and the pressing block 55 is pressed to drive the clamping rod 56 to move, so that one end of the clamping rod 56 is disengaged from the fixing groove 53, and the restriction of the round block 51 is released to replace the tool body 3. Different tool bodies 3 can be replaced without overall disassembly, thereby improving the processing efficiency of the cam hole. By setting the square block 8 and the square groove, it is convenient to align the clamping rod 56 with the fixing groove 53, so that the tool body 3 can be quickly installed, and the stability of the installation of the round block 51 can be improved, thereby improving the stability of the tool body 3 processing. By setting the through hole 6 and the round hole 7, the coolant that penetrates into the groove 54 can be discharged later to avoid adverse effects on the spring 57. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

Claims

1. A precision reamer for a cam hole, comprising a mounting seat (1); A connecting block (2) arranged on the right side of the mounting seat (1); A knife body (3) arranged at the right end of the connecting block (2); and a fixing mechanism (5) arranged on the connecting block (2), characterized in that: The fixing mechanism (5) comprises a round block (51), a round groove (52), a fixing groove (53) and a clamping rod (56); the round groove (52) is provided at the right end of the connecting block (2); the round block (51) is fixedly connected to the left side of the blade body (3) and inserted into the inside of the round groove (52); the fixing groove (53) is provided at the bottom of the round block (51), and one end of the clamping rod (56) is inserted into the inside of the fixing groove (53).

2. A cam hole fine reamer according to claim 1, characterized in that: The connecting block (2) is provided with a groove (54), the interior of the groove (54) is slidably connected with a pressing block (55), the bottom of the connecting block (2) is provided with a sliding groove (58), the other end of the clamping rod (56) passes through the top of the inner wall of the sliding groove (58) and extends to the interior of the groove (54), the clamping rod (56) is slidably connected to the connecting block (2) and the sliding groove (58), and the other end is fixedly connected to the bottom of the pressing block (55).

3. A cam hole fine reamer according to claim 2, characterized in that: A spring (57) is arranged inside the groove (54), and the spring (57) is sleeved on the outer wall of the clamping rod (56), and the two ends of the spring (57) are respectively fixedly connected to the bottom of the pressing block (55) and the bottom of the inner wall of the groove (54).

4. A cam hole fine reamer according to claim 1, characterized in that: A square groove begins to form on the left side of the inner wall of the circular groove (52), and a square block (8) is inserted into the interior of the square groove. The square block (8) is fixedly connected to the left side of the circular block (51).

5. A cam hole fine reamer according to claim 1, characterized in that: The clamping rod (56) is provided with a through hole (6), and the bottom of the inner wall of the through hole (6) is provided with a circular hole (7).

6. A cam hole fine reamer according to claim 1, characterized in that: The mounting seat (1) is provided with mounting holes (4), and the number of the mounting holes (4) is three, and the three mounting holes (4) are distributed in a circular pattern.

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