Engine left box body hole site machining tool

Abstract

The utility model discloses an engine left box body hole site machining tool which comprises a bottom plate, the bottom plate is provided with a left driven rotary table and a right driving rotary table, the tool further comprises a left side plate connected with the left driven rotary table, a right side plate connected with the right driving rotary table and a base plate connected with the left side plate and the right side plate, and the base plate can be driven by the right driving rotary table to turn over. The base plate is provided with a through machining groove, the base plate is provided with a left front positioning pin and a right rear positioning pin, the left front positioning pin and the right rear positioning pin are arranged along the periphery of the machining groove, and at least one of the left front positioning pin and the right rear positioning pin comprises a supporting face and a positioning cone arranged on the supporting face. The base plate is provided with a positioning pressing block which clamps and fixes the left box body with the supporting face. According to the hole site machining tool for the left box body of the engine, the machining efficiency can be improved, the machining precision can be improved, and the parallelism requirement of hole sites on the two sides of the left box body can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling for processing an engine case, in particular to a tooling for processing holes of a left case of an engine. Background Art

[0002] A motorcycle engine has a housing, which is divided into a left housing and a right housing. The left housing and the right housing cooperate to form a cavity for accommodating a crankshaft and a connecting rod.

[0003] At the same time, the left box and the right box are both cast from aluminum alloy, which can reduce the workload of machining.

[0004] If necessary, the two surfaces of the left box body and the right box body that are in contact with each other and the two surfaces that are separated from each other are milled so that the two surfaces of the left box body and the right box body that are in contact with each other and the two surfaces that are separated from each other remain flat, so as to set the sealing gasket, thereby maintaining the sealing of the engine and avoiding leakage.

[0005] Furthermore, holes need to be processed on the left case and the right case to meet the requirements of engine assembly.

[0006] Since there are holes on both sides of the left box, it needs to be clamped twice and processed separately.

[0007] However, the existing method has low processing efficiency and is difficult to meet high precision requirements, especially the parallelism requirements for the holes on both sides of the left box body. Utility Model Content

[0008] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a tooling for processing holes of a left engine case, which can improve processing efficiency, enhance processing accuracy, and meet the parallelism requirements of holes on both sides of the left case.

[0009] According to an embodiment of the utility model, a tool for processing the hole positions of the left case of an engine comprises a bottom plate, the bottom plate is provided with a left driven turntable and a right driving turntable, the tool also comprises a left side plate connected to the left driven turntable, a right side plate connected to the right driving turntable, and a base plate connected to the left side plate and the right side plate, the base plate can be flipped under the drive of the right driving turntable, the base plate is provided with a through processing groove, the base plate is provided with a left front positioning pin and a right rear positioning pin, the left front positioning pin and the right rear positioning pin are arranged along the periphery of the processing groove, at least one of the left front positioning pin and the right rear positioning pin comprises a supporting surface, a positioning cone arranged on the supporting surface, and the base plate is provided with a positioning pressing block that clamps and fixes the left case with the supporting surface.

[0010] According to an engine left case hole processing tooling of an embodiment of the utility model, in the loading state, the base plate is tilted, and a middle rear limit block is arranged on the low point side of the base plate.

[0011] According to an engine left case hole processing tooling of an embodiment of the utility model, the base plate is also provided with a left rear support pin and a right front support pin, at least one of the left rear support pin and the right front support pin is configured with a clamping block, and the clamping block and the corresponding support pin clamp and fix the left case.

[0012] According to an engine left case hole processing tooling of an embodiment of the utility model, the base plate is provided with a left limit block, and the left limit block is located between the left front positioning pin and the left rear supporting pin.

[0013] According to an engine left case hole processing tooling of an embodiment of the utility model, the left limit block is arranged close to the left front positioning pin.

[0014] According to an engine left case hole processing tooling of an embodiment of the utility model, the base plate is provided with a right limit block, and the right limit block is located between the right rear positioning pin and the right front supporting pin.

[0015] According to an engine left case hole processing tooling in an embodiment of the utility model, the right limit block is arranged close to the right front support pin.

[0016] According to an engine left case hole processing tooling of an embodiment of the utility model, the positioning pressing block can be flipped and pressed or rotated and pressed.

[0017] According to an embodiment of the utility model, a tool for processing the hole position of the left case of an engine has at least the following beneficial effects:

[0018] The utility model sets a bottom plate so that the bottom plate is provided with a left driven turntable and a right driving turntable. The tooling also includes a left side plate connected to the left driven turntable, a right side plate connected to the right driving turntable, and a base plate connected to the left side plate and the right side plate. The base plate can be turned over under the drive of the right driving turntable. The base plate is provided with a through processing groove. Therefore, the base plate can be turned over under the drive of the right driving turntable, and then the up and down direction of the left box body is reversed. The hole processing on the two opposite sides of the left box body can be completed by one clamping, thereby improving the processing accuracy, especially the parallelism requirement between the hole positions.

[0019] The utility model sets a base plate so that the base plate is provided with a left front positioning pin and a right rear positioning pin, the left front positioning pin and the right rear positioning pin are arranged along the periphery of the processing groove, at least one of the left front positioning pin and the right rear positioning pin includes a supporting surface and a positioning cone arranged on the supporting surface, and the base plate is provided with a positioning pressing block clamped and fixed to the supporting surface. Therefore, the positioning pin also has the function of a supporting pin, which reduces the occupied space, reduces the difficulty of arrangement, avoids increasing the specifications of the base plate and the bottom plate, and at the same time, it is convenient to increase the processing groove, reduce the obstruction of the tool, and facilitate the processing of more holes of the left box body.

[0020] The utility model sets a base plate so that the base plate is provided with a left front positioning pin and a right rear positioning pin, and also makes the left front positioning pin and the right rear positioning pin far apart, which can reduce positioning errors and improve processing consistency. At the same time, it helps to maintain the specifications of the base plate and the bottom plate without increasing the base plate and the bottom plate.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a structural schematic diagram of a tooling for processing holes in the left case of an engine according to an embodiment of the utility model;

[0024] Figure 2 for Figure 1 A schematic structural diagram of a tooling for processing holes in the left case of an engine is shown.

[0025] Reference numerals:

[0026] 1-bottom plate, 2-left driven turntable, 3-right driving turntable, 4-left plate, 5-right plate, 6-base plate, 7-left front positioning pin, 8-right rear positioning pin, 9-support surface, 10-positioning cone, 11-middle rear limit block, 12-left rear support pin, 13-right front support pin, 14-left limit block, 15-right limit block, 16-positioning pressure block. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of first and second, this is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation, connection and connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] A tool for processing the hole position of the left case of an engine according to an embodiment of the utility model will be described below in conjunction with the accompanying drawings.

[0032] Reference Figure 1 and Figure 2 The utility model aims to provide an embodiment of a tooling for processing holes in the left case of an engine. This embodiment aims to solve the problems of low efficiency and low precision caused by two clampings, improve processing efficiency and processing accuracy, and especially improve the parallelism between holes to meet the parallelism requirements of the holes on both sides of the left case.

[0033] According to an embodiment of the utility model, a tooling for processing the hole positions of the left case of an engine comprises a bottom plate 1, the bottom plate 1 is provided with a left driven turntable 2 and a right driving turntable 3, the tooling also comprises a left side plate 4 connected to the left driven turntable 2, a right side plate 5 connected to the right driving turntable 3, and a base plate 6 connecting the left side plate 4 and the right side plate 5, the base plate 6 can be flipped under the drive of the right driving turntable 3, the base plate 6 is provided with a through processing groove, the base plate is provided with a left front locating pin 7 and a right rear locating pin 8, the left front locating pin 7 and the right rear locating pin 8 are arranged along the periphery of the processing groove, at least one of the left front locating pin 7 and the right rear locating pin 8 comprises a supporting surface 9, a locating cone 10 arranged on the supporting surface 9, and the base plate 6 is provided with a locating pressing block 16 that clamps and fixes the left case with the supporting surface 9.

[0034] In summary, it is easy to understand that in this embodiment, a base plate 1 is provided so that the base plate 1 is provided with a left driven turntable 2 and a right driving turntable 3. The tooling also includes a left side plate 4 connected to the left driven turntable 2, a right side plate 5 connected to the right driving turntable 3, and a base plate 6 connecting the left side plate 4 and the right side plate 5. The base plate 6 is also connected to the left and right sides in a balanced manner to avoid tilting due to single-point force.

[0035] At the same time, the appropriate lengths of the left side plate 4 and the right side plate 5 also enable the base plate 6 to be turned over driven by the right driving turntable 3 .

[0036] In order to process the two opposite or facing sides of the left box, the base plate 6 is provided with a through processing groove, and then the tool of the machine tool can penetrate into the processing groove to process the holes on the left box body.

[0037] Therefore, in this embodiment, driven by the right driving turntable 3, the substrate 6 can be flipped over, and then the up and down direction of the left box body can be reversed. The hole processing on both opposite sides of the left box body can be completed by one clamping, thereby improving the processing accuracy, especially the parallelism requirement between the holes.

[0038] It is easy to understand that in this embodiment, by setting the base plate 6, the base plate is provided with a left front positioning pin 7 and a right rear positioning pin 8. The left front positioning pin 7 and the right rear positioning pin 8 are arranged along the periphery of the processing groove. At least one of the left front positioning pin 7 and the right rear positioning pin 8 includes a supporting surface 9 and a positioning cone 10 arranged on the supporting surface 9. The base plate 6 is provided with a positioning pressing block 16 that clamps and fixes the left box body with the supporting surface 9. Therefore, the positioning pin also has the function of a supporting pin, which reduces the occupied space, reduces the difficulty of arrangement, avoids increasing the specifications of the base plate 6 and the bottom plate 1, and at the same time, it is also convenient to increase the processing groove, reduce the obstruction of the tool, and facilitate the processing of more holes in the left box body.

[0039] In some specific embodiments of the present invention, the left front positioning pin 7 and the right rear positioning pin 8 have similar shapes, and both have a supporting surface 9 and a positioning cone 10, thereby further reducing the occupied space and facilitating the layout.

[0040] It is easy to understand that in this embodiment, by setting the substrate 6, the substrate is provided with a left front positioning pin 7 and a right rear positioning pin 8, and the distance between the left front positioning pin 7 and the right rear positioning pin 8 is farther, which can reduce the positioning error and improve the consistency of processing. At the same time, it helps to maintain the specifications of the substrate 6 and the bottom plate 1 without increasing the substrate 6 and the bottom plate 1.

[0041] In some specific embodiments of the present invention, in the loading state, the base plate 6 can be arranged at an angle, and a middle rear limit block 11 is arranged on the low point side of the base plate 6 .

[0042] It is easy to understand that in this embodiment, the base plate 6 is tilted. Therefore, when loading and unloading, the operator takes and places the left box along the tilted direction, and there is no need to vertically lift the left box, which reduces the difficulty of operation and is not prone to the problem of the left box touching the outside and being damaged.

[0043] It is easy to understand that the present embodiment also facilitates limiting the lower position of the left box body by setting the middle rear limit block 11, thereby preventing the left box body from slipping due to failure to fully fit the left front positioning pin 7 and the right rear positioning pin 8, thereby reducing the difficulty of loading.

[0044] At the same time, the middle rear limit block 11 is in contact with the left box body, which also facilitates the left box body to slide along the middle rear limit block 11 to the positioning pin or the support pin, so as to automatically reach the position, further reducing the difficulty of operation.

[0045] In some specific embodiments of the present invention, the middle rear limit block 11 may have a middle recessed portion facing the left box body, thereby reducing the left and right movement of the left box body and further improving the guiding accuracy.

[0046] In some specific embodiments of the present invention, the base plate may be further provided with a left rear support pin 12 and a right front support pin 13, at least one of the left rear support pin 12 and the right front support pin 13 is provided with a clamping block, and the clamping block and the corresponding support pin clamp and fix the left box body.

[0047] It is easy to understand that this embodiment realizes four-point support by setting the left rear support pin 12 and the right front support pin 13, and cooperates with the left front positioning pin 7 and the right rear positioning pin 8 to improve the support stability, thereby firmly fixing the left box body and avoiding affecting the processing accuracy.

[0048] In some specific embodiments of the present invention, the base plate 6 may be provided with a left limit block 14 , and the left limit block 14 is located between the left front positioning pin 7 and the left rear supporting pin 12 .

[0049] It is easy to understand that, by providing the left limit block 14 in this embodiment, the deflection of the left box body around the middle rear limit block 11 can be reduced, so that the left box body can be easily inserted into the left front positioning pin 7.

[0050] In some specific embodiments of the present invention, the left limit block 14 can be arranged close to the left front positioning pin 7 .

[0051] It is easy to understand that, in this embodiment, by making the left limit block 14 further close to the left front positioning pin 7, not only the left limit block 14 maintains its limiting ability, but also the guiding ability of the left limit block 14 is enhanced, so that the left box body is easily inserted into the left front positioning pin 7.

[0052] In some specific embodiments of the present invention, the base plate 6 may be provided with a right limit block 15 , and the right limit block 15 is located between the right rear positioning pin 8 and the right front supporting pin 13 .

[0053] It is easy to understand that, by providing the right limit block 15 in this embodiment, the deflection of the left box body around the middle rear limit block 11 can be reduced, so that the left box body can be easily inserted into the right rear positioning pin 8.

[0054] In some specific embodiments of the present invention, the right limit block 15 can be arranged close to the right front support pin 13 .

[0055] It is easy to understand that, in this embodiment, by disposing the right limit block 15 close to the right front support pin 13, the distances between the three limit blocks are balanced, thereby preventing the distance between two limit blocks from being too small and thus losing the error prevention effect.

[0056] In some specific embodiments of the present invention, the positioning pressing block 16 can be turned over or rotated to press.

[0057] It is easy to understand that in this embodiment, by rotating or flipping the positioning pressing block 16 to tighten, the pressing block is prevented from affecting the assembly and disassembly of the left box. At the same time, the pressing block is arranged around the left box, which helps to improve the reliability or stability of the fixation.

[0058] For the rotary pressing structure, a rotary cylinder or the like can be used to reduce manufacturing costs.

[0059] For flipping and clamping, the positioning block 16 can be installed with a pressure arm, one end of the pressure arm is provided with the positioning block 16, and the other end of the pressure arm is hinged to the push rod of the cylinder. At the same time, the middle part of the pressure arm is connected to a hinged rod, thereby forming a four-bar structure driven by the cylinder, which can drive the positioning block 16 to flip and clamp.

[0060] In the description of this specification, the description with reference to the terms "one embodiment, some embodiments, illustrative embodiments, examples, specific examples or some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0061] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A tool for processing holes in the left case of an engine, characterized in that: The tooling includes a bottom plate, which is provided with a left driven turntable and a right driving turntable. The tooling also includes a left side plate connected to the left driven turntable, a right side plate connected to the right driving turntable, and a base plate connected to the left side plate and the right side plate. The base plate can flip over under the drive of the right driving turntable, the base plate is provided with a through processing groove, the base plate is provided with a left front positioning pin and a right rear positioning pin, the left front positioning pin and the right rear positioning pin are arranged along the periphery of the processing groove, at least one of the left front positioning pin and the right rear positioning pin includes a supporting surface and a positioning cone arranged on the supporting surface, and the base plate is provided with a positioning pressing block that clamps and fixes the left box body with the supporting surface.

2. The tooling for processing holes of the left case of an engine according to claim 1, characterized in that: In the loading state, the base plate is tilted, and a middle rear limit block is arranged on the low point side of the base plate.

3. The tooling for processing the hole position of the left case of an engine according to claim 1, characterized in that: The base plate is also provided with a left rear support pin and a right front support pin, at least one of the left rear support pin and the right front support pin is configured with a clamping block, and the clamping block and the corresponding support pin clamp and fix the left box body.

4. The tooling for processing holes of the left engine housing according to claim 3, characterized in that: The base plate is provided with a left limit block, and the left limit block is located between the left front positioning pin and the left rear supporting pin.

5. The tooling for processing holes of the left case of an engine according to claim 4, characterized in that: The left limit block is arranged close to the left front positioning pin.

6. The tooling for processing holes of the left case of an engine according to claim 3, characterized in that: The base plate is provided with a right limit block, and the right limit block is located between the right rear positioning pin and the right front supporting pin.

7. The tooling for processing holes of the left case of an engine according to claim 6, characterized in that: The right limit block is arranged close to the right front support pin.

8. The tooling for processing holes of the left case of an engine according to claim 1, characterized in that: The positioning pressing block can be flipped and pressed or rotated and pressed.

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