Quick die changing device for fine blanking of crankshaft signal panel

Abstract

The utility model provides a crankshaft signal panel fine blanking fast die changing device which comprises a supporting base plate, side edge supporting frames, a movable guide column, a top support, a hydraulic mechanism, an upper die and a lower die, the side edge supporting frames are fixedly installed on the two sides of the surface of the supporting base plate, and the movable guide column is installed in the middle of the side edge supporting frames. The top bracket is fixedly mounted at the top of the side supporting frame; the hydraulic mechanism is fixedly installed in the top support, and the upper die is installed on the movable guide columns in a sliding mode and fixedly connected with the hydraulic mechanism. The lower die is mounted on the inner side of the lower part of the side supporting frame; due to the arrangement of the upper die and the lower die, the die replacement efficiency is high, the die positioning precision is high, and the automation degree is high.

Description

Technical Field

[0001] This utility model relates to the field of crankshaft signal disk technology, and in particular to a crankshaft signal disk fine blanking quick mold changing device. Background Technology

[0002] The crankshaft signal disc is a key component in automotive engines, primarily used to detect the crankshaft's rotation angle and speed signals, providing precise operating data to the engine control system. As a crucial component for achieving high-precision control in the engine, the machining quality of the crankshaft signal disc directly affects the engine's performance and operational stability. Therefore, improving the machining accuracy and production efficiency of crankshaft signal discs has always been a key research focus in related manufacturing fields.

[0003] Current processing methods mainly employ fine blanking, but traditional fine blanking equipment has the following limitations in the production of crankshaft signal discs:

[0004] Low mold-changing efficiency: The production of crankshaft signal discs requires frequent changes of molds of different shapes to meet the needs of different vehicle models or specifications. However, traditional equipment usually relies on manual mold changing, which is complicated and time-consuming, thus limiting the efficiency of mass production.

[0005] Insufficient mold positioning accuracy: Positioning deviations in the mold during processing may lead to insufficient machining accuracy of the signal disk teeth and holes, thereby affecting the functionality and reliability of the finished product.

[0006] Low level of automation: In crankshaft signal disc processing, traditional equipment has a low level of automation, and many processes require manual intervention, resulting in low production efficiency and high labor intensity.

[0007] Therefore, it is essential to invent a crankshaft signal disc fine blanking quick mold changing device. Utility Model Content

[0008] To address the aforementioned technical problems, this utility model provides a quick die-changing device for fine blanking of crankshaft signal discs, solving the issues of low die-changing efficiency, insufficient die positioning accuracy, and low automation in existing quick die-changing devices for fine blanking of crankshaft signal discs. The quick die-changing device for fine blanking of crankshaft signal discs includes a support base plate, a side support frame, a movable guide post, a top bracket, a hydraulic mechanism, an upper die, and a lower die. The side support frame is fixedly installed on both sides of the support base plate surface, and the movable guide post is installed in the middle of the side support frame. The top bracket is fixedly installed on the top of the side support frame. The hydraulic mechanism is fixedly installed inside the top bracket, and the upper die is slidably installed on the movable guide post, with the upper die connected and fixed to the hydraulic mechanism. The lower die is installed on the inner side of the lower portion of the side support frame.

[0009] The upper mold includes an upper mold carrier, a sliding bracket, a connecting structure, an upper mold, and a fixed connecting bolt. The upper mold carrier is slidably mounted on the movable guide post via the sliding bracket and is connected and fixed to the hydraulic mechanism. The connecting structure is connected and fixed to the upper mold, and the upper mold and the upper mold carrier are connected and fixed to each other via the fixed connecting bolt.

[0010] The lower mold includes a rotating base, a rotating support body, a lower die, a drive motor, and a bottom support push rod. The rotating base is rotatably mounted on the inner side of the lower part of the two sets of side support frames, and the rotating support body is fixedly mounted inside the rotating base. The lower die is fixedly mounted on the surface of the rotating support body, and the drive motor is fixedly mounted on the outer wall of the side support frame. The output shaft of the drive motor is connected to the rotating base. The bottom support push rod is fixedly mounted on the surface of the support base plate, and the top of the bottom support push rod abuts against the lower surface of the rotating support body.

[0011] The upper die can reciprocate vertically via a hydraulic mechanism, and its bottom is designed with a slot for mounting the upper die. The upper die can slide in or out of the upper die carrier via a connecting structure. The upper die can be removed and replaced, serving the following functions: ① Die replacement support: The upper die is designed for easy manual operation. The die replacement process involves loosening the fixing bolts, removing the old die, and then sliding in and fixing the new die. Manual die replacement is simple and quick, suitable for small-batch or diversified production needs; ② Fine blanking function: The upper die, still driven by a hydraulic mechanism, applies pressure to the workpiece during the stamping process, working with the lower die to complete the fine blanking of the crankshaft signal disc; ③ Die fixing and installation: The upper die provides a fixing point through its upper die carrier, allowing manual replacement of the lower die directly within its mounting slot. The lower die is manually fixed via fixing bolts, ensuring the replaced die is secure and reliable; ④ Precise positioning and guidance: After manual replacement, the precision guiding function of the moving guide post and sliding bracket ensures accurate positioning of the upper die, maintaining stamping accuracy.

[0012] The rotating support inside the lower die is a square-section metal structure that can rotate 90 degrees each time driven by a drive motor. Each surface of the rotating support is equipped with a lower die. During rotation, the bottom support push rod retracts downwards, and upon completion of rotation, the bottom support push rod extends upwards to support the rotating support. This has the following functions: ① Workpiece positioning and rotation: The lower die precisely positions the workpiece using the surface shape of the rotating support, ensuring consistency during the stamping process. The drive motor rotates the rotating support 90 degrees each time, enabling switching between different dies. ① For cleaning or maintenance; ② Dynamic support function: Bottom support push rod: During the stamping process, the push rod pushes out to support the rotating support body, providing extra stability during processing. When the rotating support body switches molds, the push rod retracts to avoid interference. After completing the rotation, it pushes out again to support, ensuring the stability of the device; ③ Mold replacement and versatility support: The rotating support body inside the lower mold has multiple surfaces, each of which can be equipped with a lower mold. By rotating, different molds can be quickly switched, which is suitable for processing needs of multi-specification workpieces. When it is necessary to change the lower mold, only the support body needs to be rotated to achieve a quick mold change function, reduce downtime, and improve production efficiency.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The upper die of this utility model has the following functions: ① Die changing support: The upper die is designed for easy manual operation. The die changing process includes loosening the fixing bolts, removing the old die, and then sliding the new die in and fixing it. The manual die changing operation is simple and quick, suitable for small batch or diversified production needs; ② Fine blanking function: The upper die is still pushed by the hydraulic mechanism to apply pressure to the workpiece during the stamping process, and cooperates with the lower die to complete the fine blanking of the crankshaft signal disc; ③ Die fixing and installation: The upper die provides a fixing point through its upper die carrier. The lower die can be replaced manually in its mounting slot. The lower die is manually fixed by the fixing bolts to ensure that the replaced die is firm and reliable; ④ Precise positioning and guidance: After manual replacement, the precision guiding function of the moving guide post and sliding bracket ensures that the upper die can be accurately aligned and maintain stamping accuracy.

[0015] 2. The lower die of this utility model has the following functions: ① Workpiece positioning and rotation function: The lower die accurately positions the workpiece through the surface shape of the rotating support body, ensuring consistency during the stamping process. The drive motor drives the rotating support body to rotate 90 degrees each time, realizing the switching between different dies, and facilitating cleaning or maintenance; ② Dynamic support function: Bottom support push rod:

[0016] During the stamping process, the push rod ejects the rotating support body, providing additional stability during processing. When the rotating support body switches dies, the push rod retracts to avoid interference, and after rotation is complete, it ejects the support body again to ensure the stability of the device; ③ Die replacement and versatility support: The rotating support body inside the lower die has multiple faces, each of which can be equipped with a lower die. Rotation allows for rapid switching between different dies, suitable for processing various workpiece specifications. When the lower die needs to be changed, simply rotate the support body to achieve rapid die change functionality, reducing downtime.

[0017] Reduce machine time and improve production efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is an enlarged view of point A of this utility model.

[0020] Figure 3 This is an enlarged view of section B of this utility model.

[0021] In the picture:

[0022] Support base plate 1, side support frame 2, movable guide post 3, top bracket 4, hydraulic mechanism 5, upper mold 6, upper mold carrier 61, sliding bracket 62, connecting structure 63, upper mold 64, fixed connecting bolt 65, lower mold 7, rotating seat 71, rotating support body 72, lower mold 73, drive motor 74, bottom support push rod 75. Detailed Implementation

[0023] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0024] As attached Figure 1 To be continued Figure 3 As shown.

[0025] This utility model provides a crankshaft signal disc fine blanking quick die-changing device, including a support base plate 1, a side support frame 2, a movable guide post 3, a top bracket 4, a hydraulic mechanism 5, an upper die 6, and a lower die 7. The side support frame 2 is fixedly installed on both sides of the surface of the support base plate 1, and the movable guide post 3 is installed in the middle position of the side support frame 2. The top bracket 4 is fixedly installed on the top of the side support frame 2. The hydraulic mechanism 5 is fixedly installed inside the top bracket 4, and the upper die 6 is slidably installed on the movable guide post 3. The upper die 6 is connected and fixed to the hydraulic mechanism 5. The lower die 7 is installed on the inner side of the lower part of the side support frame 2.

[0026] The upper mold 6 includes an upper mold carrier 61, a sliding bracket 62, a connecting structure 63, an upper mold 64, and a fixing bolt 65. The upper mold carrier 61 is slidably mounted on the movable guide post 3 via the sliding bracket 62 and is connected and fixed to the hydraulic mechanism 5. The connecting structure 63 is connected and fixed to the upper mold 64, and the upper mold 64 and the upper mold carrier 61 are connected and fixed to each other via the fixing bolt 65.

[0027] The lower mold 7 includes a rotating base 71, a rotating support body 72, a lower mold 73, a drive motor 74, and a bottom support push rod 75. The rotating base 71 is rotatably mounted on the inner side of the lower part of the two sets of side support frames 2, and the rotating support body 72 is fixedly mounted inside the rotating base 71. The lower mold 73 is fixedly mounted on the surface of the rotating support body 72, and the drive motor 74 is fixedly mounted on the outer wall of the side support frame 2. The output shaft of the drive motor 74 is connected to the rotating base 71. The bottom support push rod 75 is fixedly mounted on the surface of the support base plate 1, and the top of the bottom support push rod 75 abuts against the lower surface of the rotating support body 72.

[0028] The upper mold 6 can reciprocate vertically by being pushed by the hydraulic mechanism 5, and the bottom of the upper mold carrier 61 is designed with a groove for installing the upper mold 64. The upper mold 64 can slide in or out of the upper mold carrier 61 through the connecting structure 63; the upper mold 64 can be removed and replaced.

[0029] The rotating support 72 inside the lower mold 7 is a metal structure with a square cross section. The rotating support 72 can rotate 90 degrees each time by the drive motor 74. The lower mold 73 is provided on each surface of the rotating support 72. When the rotating support 72 rotates, the bottom support push rod 75 retracts downward, and when the rotation of the rotating support 72 is completed, the bottom support push rod 75 pushes upward to support the rotating support 72.

[0030] Compared to existing technologies, this equipment has significant advantages in the following aspects:

[0031] 1. Quick mold change function

[0032] The upper mold 6 and lower mold 7 are designed for easy replacement:

[0033] The upper mold 6 can be quickly replaced manually or by a hydraulic mechanism, and the lower mold 7 can be rotated 90 degrees to switch molds via a rotating support 72 without manual disassembly.

[0034] Significantly reduces mold changeover time: It is especially suitable for multi-variety, small-batch production scenarios, reducing production preparation time and improving production efficiency.

[0035] 2. Multiple mold configurations and flexibility

[0036] The rotating support body 72 of the lower mold 7 can be equipped with multiple sets of lower molds 73, and the automatic rotation switching can be achieved through the drive motor 74 to adapt to the processing requirements of different workpieces and reduce the time cost of repeated mold installation.

[0037] The upper die 6 and the lower die 7 can be combined to form various die shapes, enabling fine blanking of complex workpieces and improving the applicability and flexibility of the equipment.

[0038] 3. High machining precision

[0039] Precise guidance and positioning:

[0040] The upper mold 6 maintains a stable movement trajectory through the moving guide post 3 and the sliding bracket 62, while the lower mold 7 ensures accurate mold positioning and avoids processing deviations through the rotating support body 72.

[0041] Sturdy support design:

[0042] The bottom support push rod 75 holds the rotating support body 72 in place during machining, providing additional stability and reducing deformation or errors caused by punching force during machining.

[0043] 4. Ease of operation

[0044] Compact structure:

[0045] The upper mold 6 and the lower mold 7 are integrated on the side support frame 2, which takes up little space and is easy to arrange and use on site.

[0046] Easy to maintain:

[0047] The mold is easy to replace, and the 72-inch rotating support body design simplifies the cleaning and maintenance process, reducing maintenance difficulty and cost.

[0048] 5. High efficiency and multifunctionality

[0049] Multi-purpose: It can complete the fine blanking of crankshaft signal discs of different specifications on the same equipment, reducing equipment investment costs.

[0050] High degree of automation: Some functions are implemented by drive motor 74, reducing manual intervention and improving production continuity.

[0051] 6. Economy and Applicability

[0052] Reduced labor intensity: Mold changing and operation are simpler, reducing the physical exertion and work risks for operators.

[0053] Suitable for various processing environments: Whether it is large-scale production of a single product or small-batch processing of multiple products, the equipment can operate efficiently and is highly adaptable.

[0054] Summarize

[0055] This equipment significantly improves production efficiency, processing accuracy, and ease of operation through rapid mold change, precise machining, multiple mold configurations, and automated rotation, while reducing labor intensity and overall equipment costs. These advantages make it highly competitive in the field of fine blanking.

[0056] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution described in this utility model, falls within the protection scope of this utility model.

Claims

1. A crankshaft signal disc fine blanking quick die changing device, characterized in that: The system includes a support base plate (1), a side support frame (2), a movable guide post (3), a top bracket (4), a hydraulic mechanism (5), an upper mold (6), and a lower mold (7). The side support frame (2) is fixedly installed on both sides of the surface of the support base plate (1), and the movable guide post (3) is installed in the middle of the side support frame (2). The top bracket (4) is fixedly installed on the top of the side support frame (2). The hydraulic mechanism (5) is fixedly installed inside the top bracket (4), and the upper mold (6) is slidably installed on the movable guide post (3). The upper mold (6) is connected and fixed to the hydraulic mechanism (5). The lower mold (7) is installed on the inner side of the lower part of the side support frame (2).

2. The crankshaft signal disc fine blanking quick die changing device as described in claim 1, characterized in that: The upper mold (6) includes an upper mold carrier (61), a sliding bracket (62), a connecting structure (63), an upper mold (64), and a fixed connecting bolt (65). The upper mold carrier (61) is slidably mounted on the movable guide post (3) through the sliding bracket (62) and is connected and fixed to the hydraulic mechanism (5). The connecting structure (63) is connected and fixed to the upper mold (64) through the connecting structure (63), and the upper mold (64) and the upper mold carrier (61) are connected and fixed to each other through the fixed connecting bolt (65).

3. The crankshaft signal disc fine blanking quick die changing device as described in claim 1, characterized in that: The lower mold (7) includes a rotating seat (71), a rotating support body (72), a lower mold (73), a drive motor (74), and a bottom support push rod (75). The rotating seat (71) is rotatably mounted on the inner side of the lower part of the two sets of side support frames (2), and the rotating support body (72) is fixedly mounted inside the rotating seat (71). The lower mold (73) is fixedly mounted on the surface of the rotating support body (72), and the drive motor (74) is fixedly mounted on the outer wall of the side support frame (2). The output shaft of the drive motor (74) is connected to the rotating seat (71). The bottom support push rod (75) is fixedly mounted on the surface of the support base plate (1), and the top of the bottom support push rod (75) abuts against the lower surface of the rotating support body (72).

4. The crankshaft signal disc fine blanking quick die changing device as described in claim 2, characterized in that: The upper mold (6) as a whole can reciprocate vertically by being pushed by the hydraulic mechanism (5), and the bottom of the upper mold carrier (61) is designed with a groove for installing the upper mold (64). The upper mold (64) can slide into or out of the upper mold carrier (61) through the connecting structure (63); the upper mold (64) can be removed and replaced.

5. The crankshaft signal disc fine blanking quick die changing device as described in claim 3, characterized in that: The rotating support (72) inside the lower mold (7) is a metal structure with a square cross section. The rotating support (72) can rotate 90 degrees each time by the drive motor (74). The lower mold (73) is provided on each surface of the rotating support (72). When the rotating support (72) rotates, the bottom support push rod (75) retracts downward, and when the rotating support (72) completes the rotation, the bottom support push rod (75) pushes upward to support the rotating support (72).

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