Crankshaft clamp assembly in crankshaft machining device

Abstract

The utility model relates to the technical field of crankshaft machining, and discloses a crankshaft shaft clamp assembly in a crankshaft machining device, which comprises a machining device body, a clamping mechanism is arranged at the top of the machining device body, a supporting mechanism is arranged on the left side of the top of the machining device body, and the clamping mechanism comprises a bearing frame. The bearing frame is fixedly connected to the top of the machining device body, the right side of the bearing frame is fixedly connected with a supporting frame, and the top of the right side of the bearing frame is fixedly connected with a fixing block. According to the diameter of an inner hole in the shaft end of the crankshaft, a first air cylinder drives a connecting sleeve and a fixing rod to move and extrudes an extrusion block, so that the extrusion block extrudes an inclined block, the extrusion block drives a connecting rod and clamping plates to move, and the distance between the clamping plates can be adjusted.

Description

Technical Field

[0001] This utility model relates to the field of crankshaft machining technology, specifically to a crankshaft clamp assembly in a crankshaft machining device. Background Technology

[0002] The crankshaft is one of the most important components in an engine. Its main function is to convert the reciprocating linear motion from the piston and connecting rod into rotational motion, thereby outputting power. During the production process, the crankshaft needs to be processed by a crankshaft machining device. During the machining process, a fixing structure is needed to fix the crankshaft to ensure stability during the machining process. There are two types of crankshafts: integral and modular. Integral crankshafts are mostly fixed by workers manually operating fixing equipment during machining. This operation is complicated and cannot fix crankshafts of different sizes, nor can it drive the crankshaft to rotate, affecting the processing efficiency and applicability.

[0003] According to the description in the crankshaft clamp assembly in a crankshaft processing device published on the patent website (authorization announcement number: CN218964759U), the crankshaft clamp assembly in the crankshaft processing device includes "mounting plate, mounting tube, clamping bar" etc., to fix the crankshaft.

[0004] Regarding the above description, the applicant believes the following issues exist:

[0005] The crankshaft clamping assembly in this crankshaft machining device uses mounting plates, mounting tubes, and clamping bars to fix the crankshaft. During use, the piston rod of the hydraulic cylinder extends and drives the push plate to move into the mounting tube. After transmission through the linkage plate and linkage column, the space between the clamping bars is increased. This fixing method fixes the crankshaft on the periphery, which not only has poor stability but also hinders the comprehensive machining of the crankshaft periphery, resulting in incomplete machining and the inability to drive the crankshaft to rotate, affecting the machining effect. Therefore, this assembly needs to be improved. Utility Model Content

[0006] The purpose of this invention is to provide a crankshaft clamp assembly in a crankshaft processing device to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a crankshaft clamping assembly in a crankshaft processing device, comprising a processing device body, a clamping mechanism provided on the top of the processing device body, and a support mechanism provided on the left side of the top of the processing device body;

[0008] The clamping mechanism includes a load-bearing frame, which is fixedly connected to the top of the processing device body. A support frame is fixedly connected to the right side of the load-bearing frame. A fixing block is fixedly connected to the top of the right side of the load-bearing frame. A first servo motor is fixedly connected to the top of the fixing block. A worm gear is fixedly connected to the bottom of the first servo motor. A worm wheel meshes with the rear side of the worm gear. A fixing sleeve is fixedly connected inside the worm wheel. The fixing sleeve is rotatably connected to the inside of the load-bearing frame. A fixing frame is fixedly connected to the left side of the fixing sleeve. A connecting rod is slidably connected inside the fixing frame. A clamping plate is fixedly connected to the top of the connecting rod. An inclined block is fixedly connected to the bottom of the connecting rod. A telescopic rod is fixedly connected to the bottom of the clamping plate. The bottom of the telescopic rod is fixedly connected to the top of the fixing frame. A spring is sleeved around the telescopic rod. A pressing block is provided inside the inclined block. A fixing rod is fixedly connected to the right side of the pressing block. A connecting sleeve is rotatably connected to the outside of the fixing rod. A first cylinder is fixedly connected to the right side of the connecting sleeve.

[0009] Preferably, the top of the spring is fixedly connected to the bottom of the clamping plate, and the bottom of the spring is fixedly connected to the top of the fixing frame, so as to ensure the stability of the clamping plate under the action of the spring.

[0010] Preferably, the inner side of the inclined block is in contact with the outer side of the extrusion block, and the extrusion block is slidably connected within the fixed sleeve and the fixed frame, so that the spacing between the clamping plates can be adjusted under the action of the extrusion block.

[0011] Preferably, a limiting groove is provided inside the connecting sleeve, and the fixing rod is rotatably connected to the limiting groove, so as to ensure the stability of the fixing rod under the action of the limiting groove.

[0012] Preferably, the load-bearing frame has a rotating groove inside, and the fixed sleeve is rotatably connected to the rotating groove, so that the fixed sleeve can be rotated under the action of the rotating groove.

[0013] Preferably, the clamping plate is arc-shaped, and a rubber protective pad is provided around the periphery of the clamping plate to facilitate the fixing of the crankshaft under the action of the clamping plate.

[0014] Preferably, the worm gear is rotatably connected inside the fixed block, and the first cylinder is fixedly connected to the top of the support frame, so that the worm wheel and the connecting sleeve can be moved respectively under the action of the worm gear and the first cylinder.

[0015] Preferably, the support mechanism includes a second servo motor, which is fixedly connected to the left side of the processing device body. A threaded rod is fixedly connected to the right side of the second servo motor, and the right side of the threaded rod is rotatably connected to the processing device body. A moving block is threadedly connected to the periphery of the threaded rod, and a second cylinder is fixedly connected to the top of the moving block. A support plate is fixedly connected to the top of the second cylinder.

[0016] Preferably, the processing device body has a movable groove inside, and the moving block is slidably connected in the movable groove, so as to ensure the stability of the moving block when it moves under the action of the movable groove.

[0017] Preferably, the support plate is arc-shaped, and a rubber protective pad is provided on the inner side of the support plate to further support the crankshaft under the action of the support plate.

[0018] Compared with the prior art, the present invention provides a crankshaft clamping assembly in a crankshaft machining device, which has the following advantages:

[0019] 1. The crankshaft clamping assembly in this crankshaft processing device, through its clamping mechanism, allows for crankshaft fixation during processing. First, the crankshaft is fitted onto the outer edge of the clamping plate. Based on the diameter of the crankshaft's inner bore, the first cylinder moves the connecting sleeve and fixing rod to press the extrusion block. This extrusion block presses against the inclined block, causing the extrusion block to move the connecting rod and clamping plate, adjusting the distance between the clamping plates. This ensures the outer edge of the clamping plate contacts the inner wall of the crankshaft, stabilizing the crankshaft. This device can fix crankshafts of different sizes, and the adjustment of the clamping plate distance is convenient, highly stable, and prevents the clamping plates from loosening. During fixation, the worm gear and worm wheel rotate the fixing sleeve and fixing frame, thus rotating the fixed crankshaft, improving the comprehensiveness and efficiency of the processing. The extrusion block is rotatably connected to the connecting sleeve via the fixing rod, providing constant pressure on the inclined block while preventing the first cylinder from rotating.

[0020] 2. The crankshaft clamp assembly in this crankshaft processing device, through the set support mechanism, can adjust the position of the support plate according to the length of the crankshaft when one end of the crankshaft is fixed during the processing of the crankshaft. Under the action of the threaded rod and the moving block, the support plate is positioned at the bottom of the unfixed end of the crankshaft. Furthermore, under the action of the second cylinder, the support plate can be driven to rise and fall, so that the inner side of the support plate comes into contact with the outer periphery of the crankshaft, thereby providing support for the crankshaft and further ensuring the stability of the crankshaft. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the clamping mechanism.

[0024] Figure 3 This is a schematic diagram of the left side structure of the fixing sleeve;

[0025] Figure 4 This is a schematic diagram of the internal structure of the fixed frame;

[0026] Figure 5 This is a schematic diagram of the sectional structure of the fixed frame;

[0027] Figure 6 This is a schematic diagram of the supporting structure.

[0028] In the diagram: 1. Processing device body; 2. Clamping mechanism; 3. Support mechanism; 21. Load-bearing frame; 22. Support frame; 23. First cylinder; 24. Fixed sleeve; 25. Worm gear; 26. First servo motor; 27. Fixed block; 28. Worm; 29. ​​Fixed frame; 291. Connecting rod; 292. Clamping plate; 293. Inclined block; 294. Telescopic rod; 295. Spring; 296. Extrusion block; 297. Fixed rod; 298. Connecting sleeve; 31. Second servo motor; 32. Moving block; 33. Threaded rod; 34. Second cylinder; 35. Support plate. Detailed Implementation

[0029] 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.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] This utility model provides the following technical solution:

[0032] Example 1

[0033] Please see Figure 1-6The present invention provides a technical solution: a crankshaft clamping assembly in a crankshaft processing device, including a processing device body 1, a clamping mechanism 2 provided on the top of the processing device body 1, and a support mechanism 3 provided on the top left side of the processing device body 1;

[0034] The clamping mechanism 2 includes a load-bearing frame 21, which is fixedly connected to the top of the processing device body 1. A support frame 22 is fixedly connected to the right side of the load-bearing frame 21. A fixing block 27 is fixedly connected to the top of the right side of the load-bearing frame 21. A first servo motor 26 is fixedly connected to the top of the fixing block 27. A worm gear 28 is fixedly connected to the bottom of the first servo motor 26. A worm wheel 25 meshes with the rear side of the worm gear 28. A fixing sleeve 24 is fixedly connected inside the worm wheel 25. The fixing sleeve 24 is rotatably connected to the inside of the load-bearing frame 21. A fixing frame 29 is fixedly connected to the left side of the fixing sleeve 24. A connecting rod 291 is slidably connected to the top of the connecting rod 291. A clamping plate 292 is fixedly connected to the top of the connecting rod 291. An inclined block 293 is fixedly connected to the bottom of the connecting rod 291. A telescopic rod 294 is fixedly connected to the bottom of the clamping plate 292. The bottom of the telescopic rod 294 is fixedly connected to the top of the fixed frame 29. A spring 295 is sleeved around the telescopic rod 294. A pressing block 296 is provided inside the inclined block 293. A fixed rod 297 is fixedly connected to the right side of the pressing block 296. A connecting sleeve 298 is rotatably connected to the outside of the fixed rod 297. A first cylinder 23 is fixedly connected to the right side of the connecting sleeve 298.

[0035] The top of spring 295 is fixedly connected to the bottom of clamping plate 292, and the bottom of spring 295 is fixedly connected to the top of fixed frame 29, so as to ensure the stability of clamping plate 292 under the action of spring 295. The inner side of inclined block 293 is in contact with the outer side of extrusion block 296. Extrusion block 296 is slidably connected to fixed sleeve 24 and fixed frame 29, so as to adjust the distance between clamping plates 292 under the action of extrusion block 296. A limit groove is opened inside the connecting sleeve 298, and the fixed rod 297 is rotatably connected to the limit groove, so as to ensure the stability under the action of the limit groove. The stability of the fixed rod 297 is ensured by the rotation groove inside the load-bearing frame 21, and the fixed sleeve 24 is rotatably connected to the rotation groove, which allows the fixed sleeve 24 to rotate under the action of the rotation groove. The clamping plate 292 is arc-shaped and has a rubber protective pad on its outer periphery, which helps to fix the crankshaft under the action of the clamping plate 292. The worm gear 28 is rotatably connected to the inside of the fixed block 27, and the first cylinder 23 is fixedly connected to the top of the support frame 22, which allows the worm gear 28 and the first cylinder 23 to drive the worm wheel 25 and the connecting sleeve 298 to move respectively under the action of the worm gear 28 and the first cylinder 23.

[0036] Example 2

[0037] Please see Figure 1-6Furthermore, based on Embodiment 1, the support mechanism 3 further includes a second servo motor 31, which is fixedly connected to the left side of the processing device body 1. A threaded rod 33 is fixedly connected to the right side of the second servo motor 31, and the right side of the threaded rod 33 is rotatably connected to the processing device body 1. A moving block 32 is threadedly connected to the outer periphery of the threaded rod 33. A second cylinder 34 is fixedly connected to the top of the moving block 32, and a support plate 35 is fixedly connected to the top of the second cylinder 34. A movable groove is provided inside the processing device body 1, and the moving block 32 is slidably connected to the movable groove to ensure the stability of the moving block 32 when it moves under the action of the movable groove. The support plate 35 is arc-shaped, and a rubber protective pad is provided on the inner side of the support plate 35 to further support the crankshaft under the action of the support plate 35.

[0038] In actual operation, when this device is used, and when the crankshaft needs to be fixed during crankshaft processing, the crankshaft is first sleeved around the outer edge of the clamping plate 292. According to the diameter of the inner hole of the crankshaft end, the connecting sleeve 298 and the fixing rod 297 are moved by the first cylinder 23, so that the pressing block 296 presses the inclined block 293. This causes the inclined block 293 to move the connecting rod 291 and the clamping plate 292, adjusting the distance between the clamping plates 292. When the clamping plate 292 moves, it will cause the telescopic rod 294 and the spring 295 to deform, so that the outer edge of the clamping plate 292 comes into contact with the inner wall of the crankshaft. The crankshaft is fixed under the action of the clamping plate 292, ensuring the stability of the crankshaft.

[0039] Simultaneously, based on the length of the crankshaft, the second servo motor 31 drives the moving block 32, which is threadedly connected to the outer side of the threaded rod 33, to move, so that the support plate 35 is at the bottom of the unfixed end of the crankshaft. The second cylinder 34 drives the support plate 35 to move, so that the inner side of the support plate 35 contacts the outer side of the crankshaft, which further supports the crankshaft and ensures its stability. When the crankshaft needs to be rotated during processing, the first servo motor 26 drives the worm wheel 25 meshing with the rear side of the worm 28 to rotate, so that the worm wheel 25 drives the fixed sleeve 24 and the fixed frame 29 to rotate, which can drive the fixed crankshaft to rotate, improving the comprehensiveness and efficiency of processing. Furthermore, the extrusion block 296 is rotatably connected to the inside of the connecting sleeve 298 through the fixed rod 297. This not only ensures that the extrusion block 296 always provides extrusion force to the inclined block 293, but also prevents the first cylinder 23 from rotating along with it. Once the fixing is completed, processing can begin.

[0040] 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 a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A crankshaft clamp assembly in a crankshaft machining apparatus, comprising a machining apparatus body (1), characterized in that: The processing device body (1) is provided with a clamping mechanism (2) at the top and a support mechanism (3) is provided on the left side of the top of the processing device body (1); The clamping mechanism (2) includes a load-bearing frame (21), which is fixedly connected to the top of the processing device body (1). A support frame (22) is fixedly connected to the right side of the load-bearing frame (21). A fixing block (27) is fixedly connected to the top right side of the load-bearing frame (21). A first servo motor (26) is fixedly connected to the top of the fixing block (27). A worm gear (28) is fixedly connected to the bottom of the first servo motor (26). A worm wheel (25) meshes with the rear side of the worm gear (28). A fixing sleeve (24) is fixedly connected inside the worm wheel (25). The fixing sleeve (24) is rotatably connected to the inside of the load-bearing frame (21). A fixing frame (29) is fixedly connected to the left side of the fixing sleeve (24). A connecting rod (291) is slidably connected inside the fixed frame (29). A clamping plate (292) is fixedly connected to the top of the connecting rod (291). An inclined block (293) is fixedly connected to the bottom of the connecting rod (291). A telescopic rod (294) is fixedly connected to the bottom of the clamping plate (292). The bottom of the telescopic rod (294) is fixedly connected to the top of the fixed frame (29). A spring (295) is sleeved around the telescopic rod (294). A pressing block (296) is provided inside the inclined block (293). A fixed rod (297) is fixedly connected to the right side of the pressing block (296). A connecting sleeve (298) is rotatably connected to the outside of the fixed rod (297). A first cylinder (23) is fixedly connected to the right side of the connecting sleeve (298).

2. The crankshaft clamp assembly in a crankshaft machining device according to claim 1, characterized in that: The top of the spring (295) is fixedly connected to the bottom of the clamp (292), and the bottom of the spring (295) is fixedly connected to the top of the fixed frame (29).

3. The crankshaft clamp assembly in a crankshaft machining device according to claim 1, characterized in that: The inner side of the inclined block (293) is in contact with the outer side of the extrusion block (296), and the extrusion block (296) is slidably connected to the fixed sleeve (24) and the fixed frame (29).

4. The crankshaft clamp assembly in a crankshaft machining device according to claim 1, characterized in that: The connecting sleeve (298) has a limiting groove inside, and the fixing rod (297) is rotatably connected to the limiting groove.

5. The crankshaft clamp assembly in a crankshaft machining device according to claim 1, characterized in that: The load-bearing frame (21) has a rotating groove inside, and the fixed sleeve (24) is rotatably connected to the rotating groove.

6. The crankshaft clamp assembly in a crankshaft machining device according to claim 1, characterized in that: The clamping plate (292) is arc-shaped, and a rubber protective pad is provided around the clamping plate (292).

7. The crankshaft clamp assembly in a crankshaft machining device according to claim 1, characterized in that: The worm gear (28) is rotatably connected inside the fixed block (27), and the first cylinder (23) is fixedly connected to the top of the support frame (22).

8. The crankshaft clamp assembly in a crankshaft machining device according to claim 1, characterized in that: The support mechanism (3) includes a second servo motor (31), which is fixedly connected to the left side of the processing device body (1). A threaded rod (33) is fixedly connected to the right side of the second servo motor (31). The right side of the threaded rod (33) is rotatably connected to the processing device body (1). A moving block (32) is threadedly connected to the periphery of the threaded rod (33). A second cylinder (34) is fixedly connected to the top of the moving block (32). A support plate (35) is fixedly connected to the top of the second cylinder (34).

9. The crankshaft clamp assembly in a crankshaft machining apparatus according to claim 8, characterized in that: The processing device body (1) has a movable groove inside, and the moving block (32) is slidably connected in the movable groove.

10. The crankshaft clamp assembly in a crankshaft machining apparatus according to claim 8, characterized in that: The support plate (35) is arc-shaped, and a rubber protective pad is provided on the inner side of the support plate (35).

Images