Crankshaft type workpiece displacement mechanism

Abstract

The utility model relates to the technical field of crankshafts, and discloses a crankshaft workpiece displacement mechanism which comprises a supporting frame, a supporting assembly arranged on the top of the supporting frame, a rotating assembly arranged on the top of the supporting frame and a driving assembly arranged on the top of the supporting frame, and the driving assembly is used for moving the rotating assembly. A stabilizing assembly is arranged at the top of the supporting frame, a marking assembly is arranged at the top of the supporting frame, the supporting assembly comprises a V-shaped supporting device, and the V-shaped supporting device is arranged at the top of the supporting frame. According to the utility model, the manipulator is used for feeding, the driving device drives a workpiece to rotate and move, then the workpiece is fixed through the clamping fingers for processing, then the workpiece is rotated to a proper angle, the marking device is used for marking, the workpiece is rotated to a proper angle, and code scanning placement is carried out to complete processing, so that the device is small in occupied area and convenient to use; and meanwhile, crankshaft production efficiency and quality are improved through automatic production, and manual labor intensity is reduced.

Description

Technical Field

[0001] This utility model relates to the field of crankshaft technology, and in particular to a crankshaft workpiece displacement mechanism. Background Technology

[0002] In modern manufacturing, crankshafts, as core components of critical equipment such as engines, directly impact the performance and quality of the entire product through their machining accuracy and production efficiency. A crankshaft-type workpiece positioning mechanism has emerged to meet the growing demand for high-precision, high-efficiency crankshaft machining. With the continuous advancement of industrial automation, the requirements for crankshaft machining equipment are becoming increasingly stringent. They not only need to accurately position and rotate the crankshaft but also achieve efficient workflows within limited production spaces to adapt to the compact layout and large-scale production requirements of modern factories.

[0003] Currently, in the field of crankshaft machining, traditional techniques mainly rely on relatively simple mechanical structures and basic control principles. A common approach is manual assistance, using basic fixtures and manually operated rotary platforms to position and rotate the crankshaft. In this mode, operators need to rely on experience to manually place the crankshaft onto specific fixtures and fix its position by adjusting simple devices such as mechanical bolts. Rotating the crankshaft is done by manually cranking a handle, which drives a gear or chain transmission mechanism to adjust the crankshaft angle. While this method can complete the crankshaft machining process to some extent, the overall operation is cumbersome and relies heavily on manual intervention.

[0004] However, this traditional technology suffers from a key problem: it requires a large space and is inefficient during production. Due to the manual nature of the operation, a significant amount of space is needed to accommodate workers' movements and store various hand tools. Furthermore, each positioning, fixing, and rotation of the crankshaft requires manual intervention, slowing down the entire processing flow. From the initial workpiece loading, manually moving the crankshaft to the processing position and positioning it takes considerable time. During subsequent processing steps, such as transitioning from processing to marking, manual adjustment of the crankshaft's position and angle is also necessary, hindering overall production efficiency. This not only fails to meet the demands of modern large-scale production for efficient space utilization but also severely limits crankshaft production efficiency and increases production costs. Therefore, a crankshaft-type workpiece positioning mechanism is proposed to address these issues. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a crankshaft-type workpiece displacement mechanism, which aims to improve the problems of low efficiency and easy error in manual processing in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A crankshaft-type workpiece displacement mechanism includes a support frame, a support component on the top of the support frame, a rotating component on the top of the support frame, a driving component on the top of the support frame for moving the rotating component, a stabilizing component on the top of the support frame, and a marking component on the top of the support frame.

[0008] The support assembly includes a V-shaped support device, which is disposed on the top of the support frame. A mounting plate is disposed at the bottom of the V-shaped support device. The bottom of the mounting plate is slidably connected to the top of the support frame. A locking handle is disposed inside the mounting plate for fixing the position of the mounting plate. A product change pad is disposed on the top of the mounting plate. A product change positioning key is disposed on the top of the product change pad. Roller support is disposed on the top of the product change pad.

[0009] As a further description of the above technical solution:

[0010] The marking assembly includes a marking device, which is disposed on the top of the support frame. A second mounting plate is disposed at the bottom of the marking device, and a marking machine is fixedly connected to the top of the second mounting plate.

[0011] As a further description of the above technical solution:

[0012] The outer wall of the marking device is provided with a second locking handle, which is used to fix the marking device. The outer wall of the marking device is provided with a barcode scanner.

[0013] As a further description of the above technical solution:

[0014] The rotating assembly includes a workpiece rotating device, which is disposed on the top of the support frame. A protective cover is provided on the outer wall of the workpiece rotating device. A servo turntable is disposed inside the protective cover. A cylinder device is fixedly connected to the output end of the servo turntable. A distance measuring sensor is disposed on the outer wall of the protective cover.

[0015] As a further description of the above technical solution:

[0016] The drive assembly includes a drive device, the outer wall of which is disposed inside the support frame, and a motor fixing plate is disposed at the bottom of the drive device, the motor fixing plate being fixedly connected to the outer wall of the support frame.

[0017] As a further description of the above technical solution:

[0018] A servo motor is mounted on the outer wall of the motor mounting plate. A coupling is fixedly connected to the output end of the servo motor. A lead screw is fixedly connected to one end of the coupling. A connecting piece is provided on the outer wall of the lead screw. A mounting plate four is fixedly connected to the other end of the coupling. The outer wall of the mounting plate four is located at the bottom of the rotating assembly.

[0019] As a further description of the above technical solution:

[0020] The stabilizing component includes an angular positioning device, which is located inside the support frame. A lifting cylinder is provided on the outer wall of the angular positioning device. A clamping cylinder is fixedly connected to the output end of the lifting cylinder. A second distance sensor is fixedly connected to the outer wall of the lifting cylinder. A clamping finger is fixedly connected to the output end of the clamping cylinder.

[0021] As a further description of the above technical solution:

[0022] The outer wall of the lifting cylinder is fixedly connected to a mounting plate three, the outer wall of the mounting plate three is slidably connected to the outer wall of the support frame, and the outer wall of the mounting plate three is provided with a locking handle three.

[0023] This utility model has the following beneficial effects:

[0024] In this invention, a robotic arm is used for loading, followed by a drive device that moves the workpiece rotation device. The workpiece is then fixed and rotated by a cylinder inside the rotation device, and detected by a distance sensor. After detection, the cylinder is released, and the workpiece is fixed by a clamping finger for processing. The workpiece is then fixed again by the cylinder and the clamping finger is released. After rotating to a suitable angle, a marking device is used for marking, and the workpiece is rotated to a suitable angle again. The robotic arm then picks the workpiece up and moves it to a barcode scanner for scanning. Finally, the workpiece is placed on a machine tool to complete the processing. This device has a small footprint and is easy to use. At the same time, automated production improves crankshaft production efficiency and quality while reducing manual labor intensity. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a crankshaft-type workpiece displacement mechanism proposed in this utility model;

[0026] Figure 2 This is a front structural schematic diagram of a crankshaft-type workpiece displacement mechanism proposed in this utility model;

[0027] Figure 3 This is a schematic diagram of the V-shaped support device for a crankshaft-type workpiece displacement mechanism proposed in this utility model;

[0028] Figure 4 This is a schematic diagram of the roller support structure of a crankshaft-type workpiece displacement mechanism proposed in this utility model;

[0029] Figure 5 This is a schematic diagram of the structure of a marking machine for a crankshaft-type workpiece displacement mechanism proposed in this utility model;

[0030] Figure 6 This is a schematic diagram of the structure of a servo turntable for a crankshaft-type workpiece displacement mechanism proposed in this utility model;

[0031] Figure 7 This is a schematic diagram of the cylinder device of a crankshaft-type workpiece displacement mechanism proposed in this utility model;

[0032] Figure 8 This is a schematic diagram of the support frame for a crankshaft-type workpiece displacement mechanism proposed in this utility model;

[0033] Figure 9 This is a schematic diagram of the angular positioning device of a crankshaft-type workpiece displacement mechanism proposed in this utility model;

[0034] Figure 10 This is a schematic diagram of the drive device for a crankshaft-type workpiece displacement mechanism proposed in this utility model.

[0035] Legend:

[0036] 1. Support frame; 2. Drive unit; 3. Workpiece rotation device; 4. V-shaped support device; 5. Angular positioning device; 6. Marking device; 7. Locking handle one; 8. Changeover pad; 9. Changeover positioning key; 10. Roller support; 11. Mounting plate one; 12. Barcode scanner; 13. Marking machine; 14. Locking handle two; 15. Mounting plate two; 16. Servo turntable; 17. Protective cover; 18. Cylinder device; 19. Distance sensor one; 20. Lifting cylinder; 21. Clamping cylinder; 22. Clamping finger; 23. Locking handle three; 24. Mounting plate three; 25. Servo motor; 26. Coupling; 27. Lead screw; 28. Connector; 29. ​​Mounting plate four; 30. Motor fixing plate; 31. Distance sensor two. Detailed Implementation

[0037] 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.

[0038] Reference Figure 1 - Figure 10The present invention provides an embodiment of a crankshaft-type workpiece displacement mechanism, comprising a support frame 1. The support frame 1 serves as the basic load-bearing component of the entire mechanism and is made of high-strength alloy steel. It undergoes fine processing and heat treatment to ensure excellent stability and load-bearing capacity, and can withstand various forces generated during workpiece processing. A support component, a rotating component, and a driving component are provided on the top of the support frame 1. The driving component is used to move the rotating component. A stabilizing component and a marking component are provided on the top of the support frame 1.

[0039] The support assembly includes a V-shaped support device 4, which is made of high-quality cast iron and has good wear resistance and shock absorption performance. The V-shaped support device 4 is set on the top of the support frame 1, and a mounting plate 11 is set at the bottom of the V-shaped support device 4. The bottom of the mounting plate 11 is slidably connected to the top of the support frame 1. A locking handle 7 is set inside the mounting plate 11. The locking handle 7 is made of high-strength stainless steel and the surface is treated with anti-slip material to facilitate operation by the operator. When it is necessary to fix the position of mounting plate 11, the operator only needs to rotate the locking handle 7. Through the internal threaded transmission mechanism, mounting plate 11 is firmly locked onto support frame 1. Locking handle 7 is used to fix the position of mounting plate 11. A replacement pad 8 is provided on the top of mounting plate 11. The replacement pad 8 is made of replaceable wear-resistant rubber material, which can adapt to the support requirements of crankshafts of different specifications. A replacement positioning key 9 is provided on the top of replacement pad 8. A roller support 10 is provided on the top of replacement pad 8. The rollers of roller support 10 are made of high-strength polyurethane material, which has good flexibility and wear resistance, and can effectively... To reduce friction on the workpiece during the support process and make its rotation smoother, the marking assembly includes a marking device 6. The marking device 6 is made entirely of aluminum alloy and manufactured using precision CNC machining, resulting in a lightweight and high-strength product. The marking device 6 is mounted on top of the support frame 1, and a mounting plate 2 15 is located at its bottom. A marking machine 13 is fixedly connected to the top of the mounting plate 2 15. The marking machine 13 uses advanced laser marking technology to quickly and accurately mark various information on the crankshaft surface. A locking handle 2 14 is located on the outer wall of the marking device 6 for locking the marking device 6. The marking device 6 is fixed, and a barcode scanner 12 is installed on its outer wall. The barcode scanner 12 uses a high-resolution image sensor, which can quickly and accurately read the QR code information on the crankshaft surface. The rotating assembly includes a workpiece rotating device 3, which is installed on the top of the support frame 1. A protective cover 17 is installed on the outer wall of the workpiece rotating device 3. The protective cover 17 is made of high-strength transparent acrylic sheet, which can provide good protection and facilitate the operator to observe the internal working conditions. A servo turntable 16 is installed inside the protective cover 17. A cylinder device 18 is fixedly connected to the output end of the servo turntable 16. A distance measuring sensor 1 is installed on the outer wall of the protective cover 17. 9. The drive assembly includes a drive unit 2. The outer wall of the drive unit 2 is located inside the support frame 1. A motor mounting plate 30 is located at the bottom of the drive unit 2. The motor mounting plate 30 is fixedly connected to the outer wall of the support frame 1. A servo motor 25 is mounted on the outer wall of the motor mounting plate 30. A coupling 26 is fixedly connected to the output end of the servo motor 25. The coupling 26 is a metal elastic coupling 26, which can effectively compensate for installation errors between the two shafts and has good shock absorption and buffering performance. A lead screw 27 is fixedly connected to one end of the coupling 26. A connecting piece 28 is provided on the outer wall of the lead screw 27. A mounting plate 29 is fixedly connected to the other end of the coupling 26.Mounting plate 4 29 is mounted on the outer wall of the bottom of the rotating assembly. The stabilizing assembly includes an angular positioning device 5, which is located inside the support frame 1. A lifting cylinder 20 is mounted on the outer wall of the angular positioning device 5. A clamping cylinder 21 is fixedly connected to the output end of the lifting cylinder 20. A distance measuring sensor 2 31 is fixedly connected to the outer wall of the lifting cylinder 20. A clamping finger 22 is fixedly connected to the output end of the clamping cylinder 21. Mounting plate 3 24 is fixedly connected to the outer wall of the lifting cylinder 20. The outer wall of mounting plate 3 24 is slidably connected to the outer wall of the support frame 1. A locking handle 3 23 is mounted on the outer wall of mounting plate 3 24.

[0040] Specifically, in the machining of crankshaft-type workpieces, high efficiency, precision, and automation are key to improving production efficiency. The entire process begins with the robotic arm loading the workpiece, an operation that is rapid and stable, accurately placing the workpiece in the designated position. Subsequently, the servo motor 25 starts, acting as the pacemaker of the entire mechanical system, providing initial power for a series of subsequent actions. The servo motor 25 drives the coupling 26 to move, which acts as a tight connecting link, efficiently transmitting the motor's power to the lead screw 27, causing the lead screw 27 to rotate. The movement of the lead screw 27 then drives the workpiece rotation device 3 connected to the mounting plate 4 29 to slide smoothly on top of the support frame 1. During this process, the various components work closely together, and each action is carefully designed to facilitate the cylinder device 18 to accurately clamp the crankshaft. Once the crankshaft is securely clamped, the servo motor 25 starts again, sending the crankshaft to the appropriate machining position. At this point, the V-shaped support device 4 plays a crucial role, acting as a reliable support to firmly hold the workpiece. Meanwhile, the presence of the roller support 10 makes it easier for the workpiece to rotate, reducing frictional resistance. Operators can also flexibly fix or move the V-shaped support device 4 using the locking handle 7, depending on the situation or specifications of the workpiece. Then, the distance sensor 31 starts working to perform a comprehensive inspection of the workpiece. After the inspection is completed, the workpiece stops rotating, and the cylinder device 18 releases the workpiece from its fixation. Subsequently, the lifting cylinder 20 starts, driving the clamping cylinder 21 to move upwards. Then, the clamping cylinder 21 actuates, driving the clamping fingers 22 to firmly fix the workpiece. The locking handle 23, connected to this device, can fix or move diagonally towards the positioning device 5, preparing for subsequent precise processing steps. After processing is completed, the cylinder device 18 fixes the workpiece again, the clamping fingers 22 are released, and the lifting cylinder 20 moves the device downwards to avoid obstruction during subsequent rotation. Afterwards, the workpiece is rotated to the appropriate position again. The operator moves the marking device 6 by locking handle 14, enabling the marking machine 13 to accurately mark the workpiece. After marking, the servo turntable 16 starts, rotating the workpiece to the loading position on the machine tool. The cylinder device 18 is released, and the servo motor 25 starts again, retracting the workpiece rotation device 3 to prevent obstruction of subsequent operations. Finally, the robotic arm picks up the workpiece and reads the code at the barcode scanner 12. After completion, the workpiece is sent to the machine tool for loading, thus completing a complete automated processing flow. This automated processing method has significant advantages. It not only requires less space, effectively saving space resources, but also greatly improves the production efficiency and quality of crankshafts, while significantly reducing the intensity of manual labor, providing a strong guarantee for the company's efficient production.

[0041] Working Principle: When machining crankshaft-type workpieces, the workpiece is loaded by a robotic arm, then the servo motor 25 is started, which drives the coupling 26 to move. The coupling 26 then drives the lead screw 27 to move, and the lead screw 27 drives the workpiece rotation device 3 connected to the mounting plate 4 29 to slide on the top of the support frame 1, facilitating the clamping of the crankshaft by the cylinder device 18. After clamping, the servo motor 25 is started again to move the crankshaft to the appropriate position. Simultaneously, the workpiece is supported by the V-shaped support device 4, and the roller support 10 facilitates the workpiece rotation. The V-shaped support device 4 can be fixed or moved by the locking handle 7 to accommodate different situations or workpieces of different specifications. The workpiece is then detected by the distance sensor 2 31. After detection, rotation stops, and the cylinder device 18 is released from fixing the workpiece. The lifting cylinder 20 is started, driving the clamping cylinder 21 to move upwards. Then, the clamping cylinder 21 is activated, and the workpiece is rotated... The clamping cylinder 21 drives the clamping fingers 22 to fix the workpiece. Similarly, the locking handle 23 connected to it can be fixed or moved diagonally towards the positioning device 5 to process the workpiece. Then, it is fixed again by the cylinder device 18 and the clamping fingers 22 are released. The lifting cylinder 20 moves the device downward to prevent obstruction of rotation. Then it rotates again to a suitable position. The locking handle 14 moves the marking device 6 to mark the workpiece by the marking machine 13. After marking, the servo turntable 16 is started again to rotate the workpiece to the loading posture of the machine tool. Then the cylinder device 18 is released and the servo motor 25 is started again to retract the workpiece rotation device 3 to prevent obstruction. Then, the robot arm grabs the workpiece to the barcode scanner 12 to read the code. After completion, the workpiece is sent to the machine tool for loading, thus completing the automated processing. It has a small footprint, saving space. At the same time, automated production improves the production efficiency and quality of crankshafts and reduces the intensity of manual labor.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A crankshaft-type workpiece displacement mechanism, comprising a support frame (1), characterized in that: The support frame (1) is provided with a support component on top, a rotating component on top, a driving component on top, the driving component is used to move the rotating component, a stabilizing component on top, and a marking component on top. The support assembly includes a V-shaped support device (4), which is located on the top of the support frame (1). A mounting plate (11) is located at the bottom of the V-shaped support device (4). The bottom of the mounting plate (11) is slidably connected to the top of the support frame (1). A locking handle (7) is located inside the mounting plate (11). The locking handle (7) is used to fix the position of the mounting plate (11). A production change pad (8) is located on the top of the mounting plate (11). A production change positioning key (9) is located on the top of the production change pad (8). A roller support (10) is located on the top of the production change pad (8).

2. The crankshaft-type workpiece displacement mechanism according to claim 1, characterized in that: The marking assembly includes a marking device (6), which is located on the top of the support frame (1). A second mounting plate (15) is located at the bottom of the marking device (6), and a marking machine (13) is fixedly connected to the top of the second mounting plate (15).

3. The crankshaft-type workpiece displacement mechanism according to claim 2, characterized in that: The outer wall of the marking device (6) is provided with a locking handle (14), which is used to fix the marking device (6). The outer wall of the marking device (6) is provided with a barcode scanner (12).

4. The crankshaft-type workpiece displacement mechanism according to claim 1, characterized in that: The rotating assembly includes a workpiece rotating device (3), which is located on the top of the support frame (1). The outer wall of the workpiece rotating device (3) is provided with a protective cover (17), and a servo turntable (16) is provided inside the protective cover (17). A cylinder device (18) is fixedly connected to the output end of the servo turntable (16), and a distance measuring sensor (19) is provided on the outer wall of the protective cover (17).

5. The crankshaft-type workpiece displacement mechanism according to claim 1, characterized in that: The drive assembly includes a drive device (2), the outer wall of which is disposed inside the support frame (1), and a motor fixing plate (30) is disposed at the bottom of the drive device (2), which is fixedly connected to the outer wall of the support frame (1).

6. The crankshaft-type workpiece displacement mechanism according to claim 5, characterized in that: A servo motor (25) is provided on the outer wall of the motor fixing plate (30). A coupling (26) is fixedly connected to the output end of the servo motor (25). A lead screw (27) is fixedly connected to one end of the coupling (26). A connector (28) is provided on the outer wall of the lead screw (27). A mounting plate (29) is fixedly connected to the other end of the coupling (26). The outer wall of the mounting plate (29) is located at the bottom of the rotating assembly.

7. The crankshaft-type workpiece displacement mechanism according to claim 1, characterized in that: The stabilizing component includes an angular positioning device (5), which is located inside the support frame (1). A lifting cylinder (20) is provided on the outer wall of the angular positioning device (5). A clamping cylinder (21) is fixedly connected to the output end of the lifting cylinder (20). A second distance sensor (31) is fixedly connected to the outer wall of the lifting cylinder (20). A clamping finger (22) is fixedly connected to the output end of the clamping cylinder (21).

8. The crankshaft-type workpiece displacement mechanism according to claim 7, characterized in that: The outer wall of the lifting cylinder (20) is fixedly connected to the mounting plate three (24), the outer wall of the mounting plate three (24) is slidably connected to the outer wall of the support frame (1), and the outer wall of the mounting plate three (24) is provided with a locking handle three (23).

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