Fixing device for automobile crankshaft machining

Abstract

The fixing device for automobile crankshaft machining comprises a crankshaft machining table, fixing blocks are assembled on the two sides of the top end of the crankshaft machining table, and crankshaft fixing mechanisms are assembled at the top ends of the two fixing blocks. The crankshaft fixing mechanism comprises positioning plates mounted at the upper ends of the fixing blocks, a crankshaft clamping plate a is mounted on the side wall of the positioning plate on one side, and a crankshaft clamping plate b is mounted on the side wall of the positioning plate on the other side; bearing rotating shafts are mounted on the rear side walls of the crankshaft clamping plate a and the crankshaft clamping plate b, a bearing is mounted on the inner wall of the positioning plate on one side, a rotating hole is formed in the inner wall of the positioning plate on the other side, the bearing rotating shaft on one side is mounted in the bearing, and the other bearing rotating shaft is mounted in the rotating hole; according to the fixing device for machining the automobile crankshaft, the automobile crankshaft can be clamped and fixed, the clamped crankshaft can be turned over in the crankshaft fixing mechanism through a positioning disc and a bearing rotating shaft, a limiting assembly is arranged on the positioning disc and used for positioning after turning over, and therefore the crankshaft can be machined conveniently.

Description

Technical Field

[0001] This utility model relates to the field of crankshaft processing technology, specifically a fixing device for automobile crankshaft processing. Background Technology

[0002] The crankshaft is one of the most typical and important parts of an engine. Its function is to convert the gas pressure transmitted from the piston and connecting rod into torque, which is used as power output to drive other working mechanisms and drive the auxiliary equipment of the internal combustion engine. When machining the crankshaft, due to the influence of the structure of the disc milling cutter itself, the cutting edge and the workpiece are always in intermittent contact, which has the effect of impact, so good fixation is necessary.

[0003] However, the existing crankshaft fixing device still has some shortcomings. For example, it is not convenient to rotate and adjust the crankshaft after it is fixed, which affects the processing efficiency. Therefore, the existing technology needs to be improved. Utility Model Content

[0004] The purpose of this utility model is to provide a fixing device for machining automobile crankshafts, so as to solve the problem mentioned in the background art that it is not convenient to rotate and adjust the crankshaft after it is fixed, which affects the machining efficiency.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a fixing device for machining automobile crankshafts, comprising a crankshaft machining table, wherein fixing blocks are mounted on both sides of the top of the crankshaft machining table, and a crankshaft fixing mechanism is mounted on the top of the two fixing blocks;

[0006] The crankshaft fixing mechanism includes a positioning plate installed on the upper end of the fixing block, a crankshaft clamping plate a is installed on the side wall of one side of the positioning plate, and a crankshaft clamping plate b is installed on the side wall of the other side of the positioning plate.

[0007] Both crankshaft clamping plate a and crankshaft clamping plate b have a bearing shaft installed on their rear sidewalls. A bearing is installed on the inner wall of one side of the positioning plate, and a rotating hole is opened on the inner wall of the other side of the positioning plate. One bearing shaft is installed in the bearing, and the other bearing shaft is installed in the rotating hole.

[0008] A positioning plate is installed on the outer wall of one side of the positioning plate. A rotating hole is opened in the center of the positioning plate. A rotating seat is installed inside the rotating hole, and the bearing shaft is installed in the rotating seat.

[0009] As a preferred embodiment of the fixing device for machining automobile crankshafts according to this utility model, a turntable is installed after the end of the bearing shaft passes through the turntable. A limiting component is installed on the side wall of the turntable, and an annular groove is opened on the outer wall of the positioning plate. A limiting groove is evenly and equidistantly opened along the axis of the annular groove.

[0010] As a preferred embodiment of the fixing device for machining automobile crankshafts according to this utility model, the limiting component includes a fixing plate installed on the side wall of the positioning plate, a telescopic rod vertically installed on the side wall of the fixing plate, a universal seat installed at the end of the telescopic rod, a universal ball installed inside the universal seat, and the universal ball cooperating with the limiting groove.

[0011] As a preferred embodiment of the fixing device for machining automobile crankshafts according to this utility model, the universal joint has rotating cavities evenly spaced along its axis inside, and ball bearings are installed inside the rotating cavities, with the ball bearings fitting snugly against the universal ball bearings.

[0012] As a preferred embodiment of the fixing device for machining automobile crankshafts according to this utility model, a spring is fitted on the outside of the telescopic rod between the fixing plate and the universal joint.

[0013] As a preferred embodiment of the fixing device for machining automobile crankshafts according to this utility model, angle steel is installed at the four corners of the opposite side walls of the crankshaft clamping plate a and the crankshaft clamping plate b, and a rubber pad is installed at the center of the opposite side walls of the crankshaft clamping plate a and the crankshaft clamping plate b.

[0014] As a preferred embodiment of the fixing device for machining automobile crankshafts according to this utility model, a cleaning port is provided on the rear side of the top of the crankshaft machining table, and a cleaning cavity is provided inside the crankshaft machining table, with the cleaning port communicating with the cleaning cavity.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the setting of the fixing device for machining automobile crankshaft has a reasonable structural design;

[0016] By setting a crankshaft fixing mechanism at the upper end of the crankshaft machining table, the automobile crankshaft can be clamped and fixed. The crankshaft fixing mechanism, along with the positioning plate and the bearing shaft, can flip the clamped crankshaft. A limit component is set on the positioning plate to position it after flipping, thus facilitating the machining of the crankshaft. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the crankshaft fixing mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the positioning disc of this utility model;

[0020] Figure 4 This is a schematic diagram of the limiting component of this utility model.

[0021] In the diagram: 1. Crankshaft machining table; 2. Crankshaft fixing mechanism; 3. Fixing block; 4. Cleaning port; 5. Cleaning cavity; 6. Positioning plate; 8. Crankshaft clamping plate a; 9. Crankshaft clamping plate b; 10. Angle steel; 11. Rubber pad; 12. Bearing shaft; 13. Positioning plate; 14. Rotary hole; 15. Rotary seat; 16. Turntable; 17. Limiting assembly; 18. Limiting groove; 19. Annular groove; 20. Telescopic rod; 21. Fixing plate; 22. Spring; 23. Universal seat; 24. Ball bearing; 25. Universal ball; 26. Rotating cavity. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides a technical solution:

[0024] In this technical solution, a fixing device for machining an automobile crankshaft includes a crankshaft machining table 1. Fixing blocks 3 are mounted on both sides of the top of the crankshaft machining table 1, and a crankshaft fixing mechanism 2 is mounted on the top of the two fixing blocks 3. The crankshaft fixing mechanism 2 includes a positioning plate 6 mounted on the upper end of the fixing blocks 3. A crankshaft clamping plate a8 is mounted on the side wall of one positioning plate 6, and a crankshaft clamping plate b9 is mounted on the side wall of the other positioning plate 6. Bearing shafts 12 are mounted on the rear side walls of both the crankshaft clamping plate a8 and the crankshaft clamping plate b9. A bearing is mounted on the inner wall of one positioning plate 6, and a rotating hole is opened on the inner wall of the other positioning plate 6. One bearing shaft 12 is installed inside the bearing, and the other bearing shaft 12 is installed inside the rotating hole. A positioning disk 13 is mounted on the outer wall of one positioning plate 6. A rotating hole 14 is opened at the center of the positioning disk 13, and a rotating seat 15 is installed inside the rotating hole 14. The bearing shaft 12 is installed inside the rotating seat 15.

[0025] In this technical solution, fixing blocks 3 are installed on both the left and right sides of the top of the crankshaft processing table 1. Each fixing block 3 has a crankshaft fixing mechanism installed on its upper end. The crankshaft can be clamped and fixed by the crankshaft fixing mechanism. The crankshaft clamping plate b9 is installed on one side positioning plate 6 through the cooperation of the bearing shaft and bearing. The crankshaft clamping plate a8 is installed on the other side positioning plate 6 through the cooperation of the bearing shaft 12 and the rotating hole. Thus, the crankshaft is flipped after being clamped between the two crankshaft clamping plates. The bearing shaft 12 in the rotating hole passes through the rotary seat 15 and is then installed on the turntable 16.

[0026] In some technical solutions, a turntable 16 is installed after the end of the rotating shaft 12 on one side passes through the rotating seat 15. A limit component 17 is installed on the side wall of the turntable 16. An annular groove 19 is opened on the outer wall of the positioning disk 13. A limit groove 18 is evenly and equidistantly opened along its axis inside the annular groove 19.

[0027] In this technical solution, when the turntable 16 rotates, the corresponding limiting component 17 can enter the limiting groove 18 for simple limiting.

[0028] In some technical solutions, the limiting component 17 includes a fixing plate 21 installed on the side wall of the positioning plate 13. A telescopic rod 20 is vertically installed on the side wall of the fixing plate 21. A universal seat 23 is installed at the end of the telescopic rod 20. A universal ball 25 is installed inside the universal seat 23. The universal ball 25 cooperates with the limiting groove 18.

[0029] In this technical solution, the rotation of the universal ball 25 within the universal seat 23 facilitates entry into the limiting groove 18 at different positions.

[0030] In some technical solutions, the interior of the universal seat 23 is provided with rotating cavities 26 evenly spaced along its axis, and ball bearings 24 are installed inside the rotating cavities 26, with the ball bearings 24 fitting together with the universal ball 25.

[0031] In this technical solution, the ball bearings can rotate within the rotating cavity 26 while conforming to the universal ball 25.

[0032] In some technical solutions, a spring 22 is fitted on the outside of the telescopic rod 20 between the fixed plate 21 and the universal seat 23.

[0033] In this technical solution, the telescopic rod 20 and the spring 22 work together to increase the limiting support force for the turntable 16.

[0034] In some technical solutions, angle steel 10 is installed at the four corners of the opposite side walls of crankshaft clamping plate a8 and crankshaft clamping plate b9, and rubber pad 11 is installed at the center of the opposite side walls of crankshaft clamping plate a8 and crankshaft clamping plate b9.

[0035] In this technical solution, the angle steel 10 on the sidewalls of crankshaft clamping plate a8 and crankshaft clamping plate b9 can position the crankshaft, and the rubber pads 11 can protect both ends of the crankshaft.

[0036] In some technical solutions, a cleaning port 4 is provided on the rear side of the top of the crankshaft machining table 1, and a cleaning cavity 5 is provided inside the crankshaft machining table 1. The cleaning port 4 is connected to the cleaning cavity 5.

[0037] In this technical solution, the crankshaft machining table 1 can be cleaned through the cleaning port 4.

[0038] Working process and principle: When in use, firstly, the crankshaft is clamped between two crankshaft clamping plates. Then, by rotating the turntable 16, the two crankshaft clamping plates are flipped. During the rotation, the turntable 16 can limit different flipping angles through the limiting component 17.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A fixing device for machining automobile crankshafts, comprising a crankshaft machining table (1), characterized in that, The crankshaft machining table (1) is equipped with fixing blocks (3) on both sides of the top end, and the top ends of the two fixing blocks (3) are equipped with crankshaft fixing mechanisms (2). The crankshaft fixing mechanism (2) includes a positioning plate (6) installed on the upper end of the fixing block (3), a crankshaft clamping plate a (8) is installed on the side wall of one side of the positioning plate (6), and a crankshaft clamping plate b (9) is installed on the side wall of the positioning plate (6) on the other side. The rear sidewalls of the crankshaft clamping plate a (8) and the crankshaft clamping plate b (9) are both equipped with bearing shafts (12). The inner wall of one side of the positioning plate (6) is equipped with a bearing, and the inner wall of the other side of the positioning plate (6) is provided with a rotating hole. One side of the bearing shaft (12) is installed in the bearing, and the other side of the bearing shaft (12) is installed in the rotating hole. A positioning plate (6) is mounted on the outer wall of one side of the positioning plate (6). A rotating hole (14) is provided at the center of the positioning plate (13). A rotating seat (15) is installed inside the rotating hole (14). The bearing shaft (12) is installed inside the rotating seat (15).

2. The fixing device for machining an automobile crankshaft according to claim 1, characterized in that, One end of the bearing shaft (12) passes through the rotatable seat (15) and is fitted with a turntable (16). A limit assembly (17) is installed on the side wall of the turntable (16). An annular groove (19) is provided on the outer wall of the positioning disk (13). Limit grooves (18) are evenly spaced along the axis inside the annular groove (19).

3. The fixing device for machining an automobile crankshaft according to claim 2, characterized in that, The limiting component (17) includes a fixing plate (21) installed on the side wall of the positioning plate (13). A telescopic rod (20) is vertically installed on the side wall of the fixing plate (21). A universal seat (23) is installed at the end of the telescopic rod (20). A universal ball (25) is installed inside the universal seat (23). The universal ball (25) cooperates with the limiting groove (18).

4. The fixing device for machining an automobile crankshaft according to claim 3, characterized in that, The interior of the universal joint (23) is provided with rotating cavities (26) evenly spaced along its axis. Ball bearings (24) are installed inside the rotating cavities (26) and are fitted together with the universal ball (25).

5. A fixing device for machining automobile crankshafts according to claim 3, characterized in that, The telescopic rod (20) is fitted with a spring (22) between the fixed plate (21) and the universal joint (23).

6. A fixing device for machining automotive crankshafts according to claim 1, characterized in that, Angle steel (10) is installed at the four corners of the opposite side walls of the crankshaft clamping plate a (8) and the crankshaft clamping plate b (9), and a rubber pad (11) is installed at the center of the opposite side walls of the crankshaft clamping plate a (8) and the crankshaft clamping plate b (9).

7. A fixing device for machining automobile crankshafts according to claim 1, characterized in that, The crankshaft machining table (1) has a cleaning port (4) on the rear side of its top end, and a cleaning cavity (5) is provided inside the crankshaft machining table (1). The cleaning port (4) is connected to the cleaning cavity (5).

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