Engine flywheel scribing device

Abstract

The utility model relates to the technical field of engine flywheel machining, in particular to an engine flywheel scribing device which comprises a scribing base, a clamping ring is fixedly connected to the center of the top face of the scribing base, a bearing ring is clamped to the outer wall of the clamping ring, a plurality of limiting clamping grooves are formed in the outer diameter of the bearing ring, and the limiting clamping grooves are matched with the clamping ring. A flywheel body is placed on the top face of the bearing ring, a threaded column is installed on an inner diameter support of the bearing ring through a support, the threaded column coincides with the axis of the bearing ring, and the outer wall of the threaded column is sleeved with a flywheel sleeve. After the limiting effect of the limiting assembly on the flywheel body is cancelled, angle deflection of the flywheel body can be achieved by rotating the bearing ring so as to replace the scribed line position on the flywheel body, the flywheel body does not need to be fixed and unforbidden in a reciprocating mode in the process, and the operation process of withdrawing or recovering limiting of the bearing ring by pulling the limiting assembly is convenient. And the machining efficiency of the device on the flywheel main body scribed lines is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the engine flywheel processing technical field, and specifically is an engine flywheel line marking device. BACKGROUND

[0002] The engine flywheel is an important component of the engine, and the lines on it are crucial to the performance and operation of the engine. For example, on the large flywheel of a single-cylinder diesel engine, there are usually several oil supply lines. These lines are used to control the oil supply of the fuel injection pump, thereby affecting the engine speed and power output. The position and width of each line represent different oil supply amounts. By adjusting the oil supply amount, the engine speed and performance can be changed. In addition, during the adjustment of valve clearance, the calibration of valve timing, the calibration of common rail engine timing initial signal, and the calibration of engine advance angle, the specific lines on the flywheel need to be aligned with the lines on the flywheel housing or other components. For example, on a common rail engine, the milled timing signal detection plane on the flywheel housing needs to be tangent to the yellow line on the flywheel to ensure that one cylinder is at the compression top dead center. These operations are crucial to the stable operation and performance of the engine. If the line calibration is not accurate, it may cause various faults of the engine.

[0003] Currently, before the flywheel outer wall is processed by hammering type line marking with a line marking tool, it needs to be fixed above the base with the cooperation of structures such as bolts to prevent it from deflecting during line marking, which affects the line marking quality. When changing the line marking position, the fixing needs to be removed, the relative angle needs to be deflected at the original position, and then the fixing needs to be restored. The flywheel has many line marking positions, and the process of adjusting the flywheel fixing device back and forth is relatively troublesome, which may affect the processing efficiency of flywheel line marking.

[0004] Therefore, an engine flywheel line marking device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] To overcome the shortcomings of the prior art, solve the problem that when changing the line marking position, the fixing needs to be removed, the relative angle needs to be deflected at the original position, and then the fixing needs to be restored, and the flywheel has many line marking positions, and the process of adjusting the flywheel fixing device back and forth is relatively troublesome, which may affect the processing efficiency of flywheel line marking, an engine flywheel line marking device is proposed.

[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of engine flywheel line marking device described in the utility model, including line marking base, the top surface center of line marking base is fixedly connected with clamping ring, the outer wall of clamping ring is clamped with support ring, the outer diameter of support ring is equipped with multiple limit clamping slots, flywheel main part is placed on the top surface of support ring, the inner diameter support of support ring is equipped with threaded column by support, the axis of threaded column and support ring is coincident, flywheel sleeve is sleeved on the outer wall of threaded column, the outer diameter below flywheel sleeve and flywheel main part center hole are mutually clamped, threaded column outer thread is equipped with limiting nut, the bottom surface of limiting nut and the top surface of flywheel sleeve contact, multiple limit clamping slots are installed along the direction of the outer periphery of support ring and are divided into equal angles, line marking assembly and limiting assembly are installed on the top surface of line marking base near outer periphery edge.

[0007] Preferably, the top surface of the line marking base is provided with a sliding block track, the axis of the sliding block track is perpendicular to the center line of the line marking base, and the line marking assembly comprises a supporting sliding block.

[0008] Preferably, the supporting sliding block is fixedly connected with a cutter holder above the side wall where the support ring is located, the cutter holder is clamped in the groove, and the cutter body of the cutter holder can contact the outer diameter of the flywheel main body.

[0009] Preferably, the other side wall of the supporting sliding block is fixedly connected with a sliding block support rod below, the first elastic expansion rod is vertically fixedly connected to the outer diameter of the line marking base.

[0010] Preferably, the upper side wall of the supporting sliding block is provided with a limiting cover through track clamping, the convex rod bottom surface of the limiting cover can contact the top surface of the cutter body.

[0011] Preferably, the top surface of the limiting cover is provided with a through hole, the limiting pin is clamped in the through hole, and one end of the limiting pin can be clamped with the top surface groove of the supporting sliding block.

[0012] Preferably, the limiting assembly comprises an M-shaped support, the bottom surface of the M-shaped support is vertically fixedly connected to the top surface of the line marking base, the limiting clamping plate is slidably installed in the opening of the M-shaped support, and one end of the limiting clamping plate can be clamped with the limiting clamping slot.

[0013] Preferably, the M-shaped support is vertically fixedly connected with a second elastic expansion rod near the side wall where the support ring is located, and one end of the second elastic expansion rod is vertically fixedly connected to the groove inner wall of the limiting clamping plate.

[0014] The utility model discloses the beneficial effects:

[0015] The utility model discloses a bearing ring, the flywheel main part is fixed through the mutual cooperation between the threaded column, the limiting nut and the flywheel cover between the extrusion of the bearing ring, makes it and the bearing ring between the limiting nut fastening will not happen the shift of relative position and the deflection of angle, and the bearing ring and the clamping ring mutually clamped mode can make the bearing ring and its whole deflection, after the limiting component of flywheel main part's limiting function is cancelled, can realize the angle deflection of flywheel main part through rotating bearing ring, the position of the line on flywheel main part is replaced, and the flywheel main part does not need reciprocating fixation and release in this process, and the operation process of the bearing ring limiting of drawing limiting component cancellation or recovery is more convenient, and then the processing efficiency of the device to the line of flywheel main part is increased. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the present utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the present utility model and serve to explain the present utility model. In the drawings:

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the perspective view of the line base in the utility model;

[0019] Figure 3 It is the perspective view of the clamping ring split in the utility model;

[0020] Figure 4 It is the perspective view of the line assembly split in the utility model;

[0021] Figure 5 It is the perspective view of the limiting component split in the utility model;

[0022] Legend:

[0023] 1, line base, 11, clamping ring, 2, bearing ring, 21, limiting clamping groove, 3, flywheel main part, 22, threaded column, 4, flywheel cover, 23, limiting nut, 5, line assembly, 6, limiting component, 12, sliding block rail, 51, bearing sliding block, 52, cutter holder, 53, cutter main body, 54, sliding block support rod, 55, first elastic telescopic rod, 56, limiting cover, 57, through hole, 58, limiting pin, 61, M type support, 62, limiting clamping plate, 63, second elastic telescopic rod. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] The specific embodiments are given below.

[0026] Please refer to Figure 1 - Figure 5 The utility model provides a kind of engine flywheel line marking device, including line marking base 1, the top surface center of line marking base 1 is fixedly connected with clamping ring 11, clamping ring 11 is clamped with the outer wall of support ring 2, the outer diameter of support ring 2 is equipped with multiple limit clamping grooves 21, flywheel main body 3 is placed on the top surface of support ring 2, the inner diameter support of support ring 2 is equipped with threaded column 22 by support, threaded column 22 coincides with the axis of support ring 2, threaded column 22 is equipped with flywheel sleeve 4 on the outer wall, the lower outer diameter of flywheel sleeve 4 and flywheel main body 3 center hole are mutually clamped, threaded column 22 is equipped with limit nut 23 by external thread, the bottom surface of limit nut 23 and the top surface of flywheel sleeve 4 contact, multiple limit clamping grooves 21 are installed along the direction of equal angle of outer periphery of support ring 2, line marking base 1 is equipped with line marking assembly 5 and limit assembly 6 in the top surface near outer periphery edge, support ring 2 is fixed by the mutual clamping between line marking base 1 and clamping ring 11, make line marking base 1 and support ring 2 can be near relative angle deflection, flywheel main body 3 is placed on support ring 2, when the flywheel sleeve 4 of threaded column 22 is equipped with and flywheel main body 3 mutually clamped, the position of flywheel main body 3 is limited in horizontal direction, and the position of flywheel main body 3 is limited in vertical direction after flywheel sleeve 4 is extruded by screw limit nut 23, the mutual fixation between support ring 2 and flywheel main body 3 at this time, flywheel main body 3 can be adjusted with the rotation of support ring 2 at this time relative angle, line marking assembly 5 is handled to flywheel main body 3 by hammering, when limit assembly 6 and limit clamping groove 21 mutually clamped, support ring 2 and flywheel main body 3 are rotated and limited as a whole.

[0027] As Figure 1 , Figure 2 and Figure 4As shown, the top surface of the scribing base 1 is provided with a sliding block track 12, the axis of the sliding block track 12 is perpendicular to the center line of the scribing base 1, the scribing assembly 5 includes a supporting sliding block 51, the supporting sliding block 51 is slidingly installed in the inside of the sliding block track 12, the supporting sliding block 51 is fixedly connected with a scribing tool holder 52 above the side wall close to the supporting ring 2, the scribing tool holder 52 is clamped in the groove, the cutter body of the scribing tool holder 53 can contact the outer diameter of the flywheel body 3, the other side wall of the supporting sliding block 51 is fixedly connected with a sliding block support rod 54, the first elastic expansion rod 55 is vertically fixedly connected with the both end side walls of the sliding block support rod 54, one end of the first elastic expansion rod 55 is fixedly connected with the outer diameter of the scribing base 1, the installation of the scribing base 1 to the scribing assembly 5 is realized through the mutual clamping between the supporting sliding block 51 and the sliding block track 12, the scribing tool holder 53 clamped in the scribing tool holder 52 can move along with the movement of the supporting sliding block 51, and the first elastic expansion rod 55 fixed on the side wall of the sliding block support rod 54 provides elastic force to the supporting sliding block 51 in the direction away from the scribing base 1 through the relative fixation with the side wall of the scribing base 1, when the supporting ring 2 and the flywheel body 3 are adjusted and rotated to be limited, the side wall of the supporting sliding block 51 is hammered to overcome the elastic force of the first elastic expansion rod 55, at this time, the scribing tool of the scribing tool holder 53 performs scribing operation on the outer wall of the flywheel body 3.

[0028] As shown in Figure 1 , Figure 2 and Figure 5 , the upper side wall of the supporting sliding block 51 is clamped with a limiting cover 56 through a track, the convex rod bottom surface of the limiting cover 56 can contact the top surface of the scribing tool holder 53, the top surface of the limiting cover 56 is provided with a through hole 57, the inside of the through hole 57 is clamped with a limiting pin 58, one end of the limiting pin 58 can be clamped with the top surface groove of the supporting sliding block 51, the limiting cover 56 sliding between the side walls of the supporting sliding block 51 is limited in position through the contact of the support rod with the top surface of the scribing tool holder 53, the limiting pin 58 is clamped with the top surface circular groove of the supporting sliding block 51 through the through hole 57, when the limiting pin 58 is removed and the limiting cover 56 is pulled out to be separated from the top surface of the scribing tool holder 53, the scribing tool holder 53 can be replaced.

[0029] As shown in Figure 1 , Figure 2 and Figure 5As shown, the limiting component 6 comprises an M-shaped support 61, the bottom surface of the M-shaped support 61 is vertically fixed to the top surface of the ruled bottom seat 1, the opening of the M-shaped support 61 is slidably installed with a limiting clamping plate 62, one end of the limiting clamping plate 62 can be clamped with the limiting clamping groove 21, the M-shaped support 61 is vertically fixed with a second elastic telescopic rod 63 close to the side wall where the supporting ring 2 is located, one end of the second elastic telescopic rod 63 is vertically fixed to the recess inner wall of the limiting clamping plate 62, the M-shaped support 61 fixed to the top surface of the ruled bottom seat 1 clamps the limiting clamping plate 62, the second elastic telescopic rod 63 provides elastic force for the mutual clamping between the M-shaped support 61 and the limiting clamping groove 21, when it is needed to control the angle rotation of the flywheel main body 3 on the supporting ring 2, the limiting clamping plate 62 is pulled out to separate one end thereof from the limiting clamping groove 21 by overcoming the elastic force of the second elastic telescopic rod 63, after the adjustment is completed, the limiting clamping plate 62 is reset, and the rotation limiting effect of the limiting component 6 on the supporting ring 2 and the flywheel main body 3 is recovered.

[0030] Working principle: the supporting ring 2 is fixed by the mutual clamping between the clamping ring 11 and the line base 1, so that the line base 1 and the supporting ring 2 can be relatively angularly deflected, the flywheel body 3 is placed on the supporting ring 2, when the flywheel sleeve 4 on the threaded column 22 is clamped on the flywheel body 3, the position of the flywheel body 3 in the horizontal direction is limited, and when the flywheel sleeve 4 is extruded by the screw limiting nut 23, the position of the flywheel body 3 in the vertical direction is limited, at this time, the supporting ring 2 and the flywheel body 3 are fixed to each other, at this time, the flywheel body 3 can be adjusted in relative angle with the rotation of the supporting ring 2, the installation of the line base 1 on the line assembly 5 is realized through the mutual clamping between the supporting slider 51 and the slider rail 12, the line cutter body 53 in the clamping line cutter holder 52 can move with the movement of the supporting slider 51, and the first elastic expansion rod 55 fixed on the side wall of the slider support rod 54 provides elastic force to the supporting slider 51 away from the line base 1, when the supporting ring 2 and the flywheel body 3 are adjusted and rotated, the side wall of the hammer supporting slider 51 overcomes the elastic force of the first elastic expansion rod 55, at this time, the line cutter of the line cutter body 53 performs line marking operation on the outer wall of the flywheel body 3, the limiting cover 56 sliding between the side walls of the supporting slider 51 limits the position of the line cutter body 53 through the contact between the support rod and the top surface of the line cutter body 53, the limiting pin 58 is clamped with the top circular groove of the supporting slider 51 through the through hole 57, when the limiting pin 58 is removed and the limiting cover 56 is pulled out to the position where the support rod is separated from the top surface of the line cutter body 53, the line cutter body 53 can be replaced, the M-shaped support 61 fixed on the top surface of the line base 1 clamps the limiting clamping plate 62, the second elastic expansion rod 63 provides elastic force for the mutual clamping between the M-shaped support 61 and the limiting clamping groove 21, when it is needed to control the angular rotation of the flywheel body 3 on the supporting ring 2, the limiting clamping plate 62 is pulled out to separate from the limiting clamping groove 21 at one end by overcoming the elastic force of the second elastic expansion rod 63, after adjustment, the limiting clamping plate 62 is reset, and the limiting assembly 6 restores the function of limiting the rotation of the supporting ring 2 and the flywheel body 3.

[0031] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles 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 claimed present application.

Claims

1. An engine flywheel scribing device, characterized by: The utility model provides a flywheel engraving device, including the ruled base (1), the top surface center of ruled base (1) is fixed with the clamping ring (11), the outer wall of clamping ring (11) is clamped with the support ring (2), the outer diameter of support ring (2) is equipped with a plurality of limiting clamping groove (21), the top surface of support ring (2) is placed with flywheel main part (3), the inner diameter support of support ring (2) is equipped with threaded column (22) through support, threaded column (22) coincides with the axis of support ring (2), the outer wall of threaded column (22) is equipped with flywheel cover (4), the lower outer diameter of flywheel cover (4) and flywheel main part (3) center hole are mutually clamped, threaded column (22) outer thread is equipped with limiting nut (23), the bottom surface of limiting nut (23) and the top surface of flywheel cover (4) contact, a plurality of limiting clamping groove (21) along the equidivided angle of the outer circumferential direction of support ring (2) is installed, the top surface of ruled base (1) is installed with the ruled line subassembly (5) and limiting subassembly (6) near the outer circumferential edge.

2. An engine flywheel scribing device as defined in claim 1, wherein: The top surface of the ruled base (1) is provided with a sliding block track (12), the axis of the sliding block track (12) is perpendicular to the center line of the ruled base (1), the ruled line subassembly (5) comprises a supporting sliding block (51), the supporting sliding block (51) is slidingly installed in the inner part of the sliding block track (12).

3. An engine flywheel scribing device as defined in claim 2 wherein: The supporting sliding block (51) is fixedly connected with a cutter holder (52) above the side wall where the supporting ring (2) is located, the cutter holder (52) is clamped with a cutter main body (53) in the groove, and the cutter body of the cutter main body (53) can be in contact with the outer diameter of the flywheel main body (3).

4. An engine flywheel scribing device as defined in claim 3 wherein: The other side wall of the supporting sliding block (51) is fixedly connected with a sliding block supporting rod (54), the first elastic telescopic rod (55) is vertically fixedly connected to the both end side walls of the sliding block supporting rod (54), and one end of the first elastic telescopic rod (55) is fixedly connected to the outer diameter of the ruled base (1).

5. An engine flywheel scribing device as defined in claim 4 wherein: The upper side wall of the supporting sliding block (51) is clamped with a limiting cover (56) through a track, the convex rod bottom surface of the limiting cover (56) can be in contact with the top surface of the cutter main body (53).

6. An engine flywheel scribing device as defined in claim 5 wherein: The top surface of the limiting cover (56) is provided with a through hole (57), the limiting pin (58) is clamped in the inner part of the through hole (57), and one end of the limiting pin (58) can be clamped with the top surface groove of the supporting sliding block (51).

7. An engine flywheel scribing device as in claim 1, wherein: The limiting subassembly (6) comprises an M-shaped support (61), the bottom surface of the M-shaped support (61) is vertically fixedly connected to the top surface of the ruled base (1), the opening of the M-shaped support (61) is slidingly installed with a limiting clamping plate (62), and one end of the limiting clamping plate (62) can be clamped with the limiting clamping groove (21).

8. An engine flywheel scribing device as defined in claim 7, wherein: The M-shaped support (61) is vertically fixedly connected with a second elastic telescopic rod (63) near the side wall where the supporting ring (2) is located, and one end of the second elastic telescopic rod (63) is vertically fixedly connected to the groove inner wall of the limiting clamping plate (62).

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