An outboard engine crankshaft marking line automatic marking device

Abstract

The utility model discloses an outboard engine crankshaft marking line automatic marking device, contain flat plate, support plate and compression assembly, be equipped with first circular groove, second circular groove and support screw hole on the support plate, be equipped with first workpiece groove, first center hole and first eccentric hole in first circular groove, be equipped with separable first nylon positioning pin in first eccentric hole, be equipped with separable first nylon sleeve in first center hole, be equipped with second workpiece groove, second center hole and second eccentric hole in second circular groove, be equipped with separable second nylon positioning pin in second eccentric hole, be equipped with separable second nylon sleeve in second center hole, and compression assembly contains bolt, pressing plate and screwing wrench. The automatic marking device solves the problem that marking line angle is not accurate caused by manual electric engraver marking, and the positioning is accurate, quick and efficient, guarantees the angle accuracy and clarity of crankshaft crank marking line, and improves the production efficiency of crankshaft crank marking line process.

Description

Technical Field

[0001] This utility model relates to a crankshaft processing device, or more precisely, an automatic marking device for outboard motor crankshaft marking lines. Background Technology

[0002] When assembling the outboard motor crankshaft, the gears on the crankshaft have angular alignment requirements. To facilitate installation, marking lines are engraved on the crankshaft surface at the gear timing angle position. However, when manually engraving with a commonly used electric engraving machine, the marking lines often deviate significantly from the gear timing angle, and the marking lines are too large or unclear, resulting in poor gear meshing and affecting the outboard motor crankshaft's operating performance. This situation needs to be improved. Utility Model Content

[0003] Therefore, it is necessary to provide an automatic marking device for outboard motor crankshaft marking lines to address the aforementioned technical problems.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: An automatic marking device for outboard motor crankshaft marking lines is characterized in that the device comprises a flat plate, a support plate, and a clamping assembly. The support plate is perpendicular to the flat plate. The support plate has a first circular groove, a second circular groove, and a support screw hole, with the support screw hole located between the first and second circular grooves. The first circular groove is provided with a first workpiece groove, a first central hole, and a first eccentric hole. The first central hole, the first workpiece groove, and the first circular groove are concentrically arranged. A detachable first nylon positioning pin is provided in the first eccentric hole, and a detachable first nylon sleeve is provided in the first central hole. The second circular groove is provided with a second workpiece groove, a second central hole, and a second eccentric hole. The second central hole and the second workpiece groove are concentrically arranged with the second circular groove. A detachable second nylon positioning pin is provided in the second eccentric hole, and a detachable second nylon sleeve is provided in the second central hole. The clamping assembly includes a bolt, a pressure plate, and a tightening wrench. The pressure plate has a pressure plate screw hole at its center. The tightening wrench drives the bolt, which passes through the pressure plate screw hole and the support screw hole.

[0005] In a preferred embodiment of this utility model, the first eccentric hole is concentrically arranged with the first nylon positioning pin, the second eccentric hole is concentrically arranged with the second nylon positioning pin, the first central hole is concentrically arranged with the first nylon sleeve, and the second central hole is concentrically arranged with the second nylon sleeve.

[0006] In a preferred embodiment of this utility model, the first eccentric hole and the second eccentric hole are symmetrical about the supporting screw hole.

[0007] In a preferred embodiment of this utility model, the distance between the center of the first nylon sleeve and the center of the first nylon positioning pin is a first distance, and the distance between the center of the second nylon sleeve and the center of the second nylon positioning pin is a second distance, wherein the first distance and the second distance are equal.

[0008] Compared with the prior art, the present invention has the following beneficial effects: This utility model provides an automatic marking device for outboard motor crankshaft marking lines. This device is used for positioning the timing marking lines of crankshaft cranks during gear machining. It solves the problem of inaccurate marking line angles caused by manual electric marking machines. The device provides precise, fast, and efficient positioning, ensuring accurate and clear crankshaft crank marking line angles and improving the production efficiency of the crankshaft crank marking line process. Attached Figure Description

[0009] To more clearly illustrate the solutions in this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0010] Figure 1 This is a three-dimensional structural schematic diagram of the automatic marking device for outboard motor crankshaft marking lines according to this utility model. Figure 2 for Figure 1 An exploded view of the three-dimensional structure of the support plate and the clamping assembly. Figure 3 for Figure 2 A schematic diagram of the planar structure of the support plate in the middle; Figure 4 This is a schematic diagram of the automatic marking device for outboard motor crankshaft marking lines of this utility model. At this point, the workpiece has not yet been fixed. Figure 5 for Figure 4 A schematic diagram showing the use of the automatic marking device for outboard motor crankshaft marking lines; at this point, the workpiece is already fixed. Figure 6 for Figure 5 A schematic diagram illustrating the use of the automatic marking device for outboard motor crankshaft marking lines, providing another perspective; The markings in the diagram are explained as follows: 1. First nylon sleeve; 2. Second nylon sleeve; 3. First nylon locating pin; 4. Second nylon locating pin; A. Automatic marking device for outboard motor crankshaft marking lines; B. Support plate; B1. Support screw hole; C. Clamping assembly; E. First eccentric hole; F. Second eccentric hole; J. Pressure plate; J1. Pressure plate screw hole; K. Second workpiece groove; L. Bolt; N. Second center hole; P. First distance; Q. First workpiece groove; S. Tightening wrench; T. Flat plate; W. Second distance; X. First circular groove; Y. Second circular groove. Detailed Implementation

[0011] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0012] like Figures 1 to 3 As shown, the automatic marking device A for outboard motor crankshaft marking includes a flat plate T, a support plate B, and a clamping assembly C. The support plate B is set perpendicular to the flat plate T. The support plate B is provided with a first circular groove X, a second circular groove Y, and a support screw hole B1. The support screw hole B1 is located in the middle of the first circular groove X and the second circular groove Y.

[0013] The first circular groove X is provided with a first workpiece groove Q, a first central hole M and a first eccentric hole E. The first central hole M, the first workpiece groove Q and the first circular groove X are concentrically arranged. The first eccentric hole E is provided with a separable first nylon positioning pin 3 and the first central hole M is provided with a separable first nylon sleeve 1.

[0014] The second circular groove Y is provided with a second workpiece groove K, a second central hole N, and a second eccentric hole F. The second central hole N and the second workpiece groove K are concentrically arranged with the second circular groove Y. The second eccentric hole F is provided with a separable second nylon positioning pin 4, and the second central hole N is provided with a separable second nylon sleeve 2.

[0015] The clamping assembly C includes a bolt L, a pressure plate J, and a tightening wrench S. The pressure plate J has a pressure plate screw hole J1 at its center. The tightening wrench S drives the bolt L, which passes through the pressure plate screw hole J1 and the support screw hole B1.

[0016] The first eccentric hole E is concentrically set with the first nylon positioning pin 3, the second eccentric hole F is concentrically set with the second nylon positioning pin 4, the first central hole M is concentrically set with the first nylon sleeve 1, and the second central hole N is concentrically set with the second nylon sleeve 2.

[0017] The first eccentric hole E and the second eccentric hole F are symmetrical about the support screw hole B1.

[0018] The distance between the center of the first nylon sleeve 1 and the center of the first nylon positioning pin 3 is a first distance P, and the distance between the center of the second nylon sleeve 2 and the center of the second nylon positioning pin 4 is a second distance W. The first distance P and the second distance W are equal.

[0019] The following describes the operation of the automatic marking device for the crankshaft marking line of the outboard motor. The operating steps are as follows: Step 1: As Figure 4 As shown, first place workpieces 5 and 6 in the first workpiece groove Q and the second workpiece groove K respectively, ensuring that the rod diameter 7 of workpiece 5 and the rod diameter 8 of workpiece 6 fall into the first nylon sleeve 1 and the second nylon sleeve 2 respectively, and the hole diameter 9 of workpiece 6 and the hole diameter 10 of workpiece 5 are respectively fitted onto the first nylon positioning pin 3 and the second nylon positioning pin 4. Step 2: As Figure 5 , 6 As shown, place the two ends of the pressure plate J on top of workpieces 5 and 6 respectively, keep the direction unchanged, and tighten the wrench S to complete the positioning.

[0020] This automatic marking device for outboard motor crankshaft marking lines is used for positioning in the machining of timing marking lines on crankshafts and cranks. It solves the problem of inaccurate marking line angles caused by manual electric marking machines. The device provides precise, fast, and efficient positioning, ensuring accurate and clear angles of the crankshaft and cranks marking lines and improving the production efficiency of the crankshaft and cranks marking line process.

[0021] Obviously, the embodiments described above are only some embodiments of this application, and not all embodiments. The accompanying drawings show preferred embodiments of this application, but do not limit the patent scope of this application.

Claims

1. An automatic marking device for outboard motor crankshaft marking lines, characterized in that, The outboard motor crankshaft marking device (A) includes a flat plate (T), a support plate (B), and a clamping assembly (C). The support plate (B) is perpendicular to the flat plate (T). The support plate (B) has a first circular groove (X), a second circular groove (Y), and a support screw hole (B1). The support screw hole (B1) is located between the first circular groove (X) and the second circular groove (Y). The first circular groove (X) is provided with a first workpiece groove (Q), a first central hole (M) and a first eccentric hole (E). The first central hole (M), the first workpiece groove (Q) and the first circular groove (X) are concentrically arranged. The first eccentric hole (E) is provided with a separable first nylon positioning pin (3). The first central hole (M) is provided with a separable first nylon sleeve (1). The second circular groove (Y) is provided with a second workpiece groove (K), a second central hole (N), and a second eccentric hole (F). The second central hole (N), the second workpiece groove (K), and the second circular groove (Y) are concentrically arranged. The second eccentric hole (F) is provided with a separable second nylon positioning pin (4), and the second central hole (N) is provided with a separable second nylon sleeve (2). The clamping assembly (C) includes a bolt (L), a pressure plate (J), and a tightening wrench (S). The pressure plate (J) has a pressure plate screw hole (J1) at its center. The tightening wrench (S) drives the bolt (L), which passes through the pressure plate screw hole (J1) and the support screw hole (B1).

2. The automatic marking device for outboard motor crankshaft marking lines according to claim 1, characterized in that, The first eccentric hole (E) is concentrically set with the first nylon positioning pin (3), the second eccentric hole (F) is concentrically set with the second nylon positioning pin (4), the first central hole (M) is concentrically set with the first nylon sleeve (1), and the second central hole (N) is concentrically set with the second nylon sleeve (2).

3. The automatic marking device for outboard motor crankshaft marking lines according to claim 1, characterized in that, The first eccentric hole (E) and the second eccentric hole (F) are symmetrical about the support screw hole (B1).

4. The automatic marking device for outboard motor crankshaft marking lines according to claim 1, characterized in that, The distance between the center of the first nylon sleeve (1) and the center of the first nylon positioning pin (3) is the first distance (P), and the distance between the center of the second nylon sleeve (2) and the center of the second nylon positioning pin (4) is the second distance (W). The first distance (P) and the second distance (W) are equal.

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