Automobile flywheel cold extrusion hydraulic machine with fine adjustment function
By introducing a height adjustment structure into the cold extrusion hydraulic press, the problem of existing equipment being unable to fine-tune product thickness has been solved, enabling flexible adjustment of product thickness without changing the mold and improving the adaptability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIAMEN XINRUIHE MACHINERY MANUFACTURING CO LTD
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-17
AI Technical Summary
Existing cold extrusion hydraulic equipment can only produce products of one specification and cannot make fine adjustments to the thickness. It is necessary to change the mold to adapt to different needs.
A cold extrusion hydraulic press for automotive flywheels with a height-adjustable structure was designed. The product thickness can be adjusted without changing the mold through the lower die pressure ring and the height-adjustable structure, including an electrically controlled telescopic rod, a threaded rod and a belt pulley drive system.
This allows for fine-tuning of products without changing the mold, improving the equipment's practicality and adaptability.
Smart Images

Figure CN224128513U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cold extrusion technology, specifically to a cold extrusion hydraulic press for automobile flywheels with fine-tuning function. Background Technology
[0002] Cold extrusion is a processing method in which a metal blank is placed in a cold extrusion die cavity, and pressure is applied to the blank through a fixed punch on a press at room temperature, causing plastic deformation to produce a part. my country is now capable of cold extruding metals such as lead, tin, aluminum, copper, zinc and their alloys, low-carbon steel, medium-carbon steel, tool steel, low-alloy steel, and stainless steel. It can even perform cold extrusion of bearing steel, high-carbon high-aluminum alloy tool steel, and high-speed steel with a certain degree of deformation. Regarding extrusion equipment, my country has the capability to design and manufacture extrusion presses of various tonnages. In addition to using general-purpose mechanical presses, hydraulic presses, and cold extrusion presses, friction presses and high-speed, high-energy equipment have also been successfully used for cold extrusion production.
[0003] Chinese Patent Publication No. CN 218197090 U discloses a hydraulic forming device for a cold extrusion hydraulic press, including a hydraulic press body, a stamping device movably installed inside the hydraulic press body, a stamping base fixedly installed at the bottom of the hydraulic press body, and limit auxiliary devices movably installed at both ends of the top of the stamping base. This allows the operator to place the blank into the device without directly inserting their hands, thus improving safety performance.
[0004] While the aforementioned utility model can improve the safety of operators, the overall structure of the products it produces is relatively fixed. This is also a common problem for most cold extrusion hydraulic equipment, which can only produce products of one specification. However, in some cases, slight adjustments to the thickness of the product can adapt to different needs. But if current equipment wants to achieve this goal, it is necessary to change the mold, which is inconvenient. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides an automotive flywheel cold extrusion hydraulic press with fine-tuning function, solving the problem that current cold extrusion hydraulic equipment can only produce products of one specification and cannot be fine-tuned.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a cold extrusion hydraulic press for automotive flywheels with fine-tuning function, comprising a base, wherein first electrically controlled telescopic rods are vertically fixedly connected to both sides of the outer edge of the upper surface of the base, a first device block is fixedly connected between the top ends of the piston rods of the plurality of first electrically controlled telescopic rods, the first device block having a mold groove vertically through the middle of its upper surface, a plurality of connecting columns are vertically fixedly connected to the bottom end of the first device block, a second device block is fixedly connected to the bottom end of the plurality of connecting columns, a mold center column with its top end extending through the mold groove to the upper surface of the first device block is vertically fixedly connected to the middle of the upper surface of the second device block, a lower mold pressure ring is vertically slidably connected to the lower outer surface of the mold center column, a height adjustment structure is provided between the lower mold pressure ring and the base, an upper extrusion structure is provided on the upper surface of the first device block, and an upper mold pressure ring with an outer contour adapted to the inner contour of the mold groove is provided in the upper extrusion structure.
[0007] Furthermore, the height adjustment structure includes a device base fixedly connected to the bottom end of the outer surface of the lower molding ring and located between the first device block and the second device block. Multiple threaded sleeves are fixedly connected to both sides of the device base. Threaded rods are vertically threaded inside the multiple threaded sleeves. Rotating columns that are vertically rotatably connected to the upper surface of the base are vertically fixedly connected to the bottom ends of the multiple threaded rods. Multi-rail pulleys are fixedly connected to the outer surfaces of the multiple rotating columns. Each pair of adjacent multi-rail pulleys is connected by a belt drive.
[0008] Furthermore, a knob is fixedly connected to the top end of one of the threaded rods.
[0009] Furthermore, the upper extrusion structure includes multiple support rods that are vertically fixedly connected to the outer edge of the upper surface of the first device block. A horizontal plate is horizontally fixedly connected to the top of the multiple support rods. An installation port is vertically opened through the middle of the top of the horizontal plate. A hydraulic rod is fixedly connected inside the installation port. A connecting plate is horizontally fixedly connected to the bottom end of the piston rod of the hydraulic rod. The upper molding ring is fixedly connected to the lower surface of the connecting plate.
[0010] Furthermore, an extension seat is laterally fixedly connected to the rear end of the upper surface of the first device block, and a plurality of second electrically controlled telescopic rods are laterally fixedly connected to the rear end of the upper surface of the extension seat. A pusher block with an open bottom is fixedly connected to the front end of the piston rod of the plurality of second electrically controlled telescopic rods.
[0011] Furthermore, the central axes of the mold groove, the mold center post, the lower mold pressure ring, and the upper mold pressure ring are located on the same straight line.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This automotive flywheel cold extrusion hydraulic press with fine adjustment function, by setting a lower die pressure ring and a height adjustment structure, allows the blank to be placed inside the die groove during actual use. By controlling the operation of the upper extrusion structure, the upper die pressure ring can be driven to descend. Then, under the combined action of the upper die pressure ring, the die groove, the die center column, and the lower die pressure ring, the blank is extruded and shaped. The lower die pressure ring of this device can adjust the horizontal position of its top end through the height adjustment structure, thereby changing the overall thickness of the final product. Fine adjustments to the final product can be made without changing the die, improving the practicality of the device. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0014] Figure 2 This is a side view of the structure of this utility model;
[0015] Figure 3 This is a top view of the structure of this utility model.
[0016] In the diagram: 1-base, 2-first electrically controlled telescopic rod, 3-first device block, 4-mold groove, 5-connecting column, 6-second device block, 7-center column, 8-rotating column, 9-threaded rod, 10-threaded sleeve, 11-device seat, 12-lower mold pressing ring, 13-multi-rail pulley, 14-knob, 15-supporting upright, 16-horizontal plate, 17-hydraulic rod, 18-upper mold pressing ring, 19-extension seat, 20-second electrically controlled telescopic rod, 21-push block. Detailed Implementation
[0017] 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.
[0018] Please see Figure 1-3This utility model provides a technical solution: a cold extrusion hydraulic press for automobile flywheels with fine adjustment function, including a base 1. First electrically controlled telescopic rods 2 are vertically fixedly connected to both sides of the outer edge of the upper surface of the base 1. A first device block 3 is fixedly connected between the top ends of the piston rods of the multiple first electrically controlled telescopic rods 2. A mold groove 4 is vertically opened through the middle of the upper surface of the first device block 3. Multiple connecting columns 5 are vertically fixedly connected to the bottom end of the first device block 3. A second device block 6 is fixedly connected to the bottom end of the multiple connecting columns 5. A mold center column 7, whose top end extends through the mold groove 4 to the upper surface of the first device block 3, is vertically fixedly connected to the middle of the upper surface of the second device block 6. A lower mold pressure ring 12 is vertically slidably connected to the lower part of the outer surface of the mold center column 7. A height adjustment structure is provided between the lower mold pressure ring 12 and the base 1. An upper extrusion structure is provided on the upper surface of the first device block 3. An upper mold pressure ring 18, whose outer contour matches the inner contour of the mold groove 4, is provided in the upper extrusion structure.
[0019] The central axes of the mold groove 4, the mold center pillar 7, the lower mold pressure ring 12, and the upper mold pressure ring 18 are located on the same straight line.
[0020] In actual use, after the blank is placed inside the mold groove 4, the upper extrusion structure is controlled to drive the upper mold pressure ring 18 to descend. Then, under the combined action of the upper mold pressure ring 18, the mold groove 4, the mold center column 7, and the lower mold pressure ring 12, the blank is extruded and shaped. The lower mold pressure ring 12 of this device can adjust the horizontal position of its top end through the height adjustment structure, thereby changing the overall thickness of the final product. The final product can be fine-tuned without changing the mold, which improves the practicality of the device.
[0021] The upper die pressure ring 18, die groove 4, and die center column 7 of the device can extrude the toothed ring structure of the outer ring of the automobile flywheel.
[0022] The height adjustment structure includes a device base 11 fixedly connected to the bottom of the outer surface of the lower molding ring 12 and located between the first device block 3 and the second device block 6. Multiple threaded sleeves 10 are fixedly connected to both sides of the device base 11. Threaded rods 9 are vertically threaded inside the multiple threaded sleeves 10. Rotating columns 8 that are vertically rotatably connected to the bottom of the multiple threaded rods 9 are vertically fixedly connected to the bottom of the multiple threaded rods 9. Multi-rail pulleys 13 are fixedly connected to the outer surfaces of the multiple rotating columns 8. Each pair of adjacent multi-rail pulleys 13 are connected by belt drive.
[0023] A knob 14 is fixedly connected to the top of a threaded rod 9.
[0024] When the height of the lower molding ring 12 needs to be adjusted, hold the knob 14 and turn it to control the rotation of a threaded rod 9 and a rotating column 8 fixedly connected to it. Then, under the action of the multi-rail pulley 13, another rotating column 8 and the threaded rod 9 connected to it will rotate. Since each pair of adjacent rotating columns 8 are driven by the multi-rail pulley 13 and the belt, multiple rotating columns 8 and threaded rods 9 will rotate synchronously. Then, under the action of the threaded sleeve, the device base 11 will move vertically, and then the lower molding ring 12 will move synchronously. In this way, the horizontal height of the top of the lower molding ring 12 can be adjusted.
[0025] The upper extrusion structure includes multiple support rods 15 that are vertically fixed to the outer edge of the upper surface of the first device block 3. A horizontal plate 16 is horizontally fixed to the top of the multiple support rods 15. An installation port is vertically opened through the middle of the top of the horizontal plate 16. A hydraulic rod 17 is fixedly connected inside the installation port. A connecting plate is horizontally fixed to the bottom of the piston rod of the hydraulic rod 17. An upper molding ring 18 is fixedly connected to the lower surface of the connecting plate.
[0026] The upper extrusion structure drives the connecting plate and the upper die pressure ring 18 fixedly connected to the connecting plate to move downward through the hydraulic rod 17, and applies pressure through the hydraulic rod 17 to extrude the blank into shape.
[0027] An extension seat 19 is laterally fixedly connected to the rear end of the upper surface of the first device block 3. Multiple second electrically controlled telescopic rods 20 are laterally fixedly connected to the rear end of the upper surface of the extension seat 19. A pusher block 21 with an open bottom end is fixedly connected to the front end of the piston rod of the multiple second electrically controlled telescopic rods 20.
[0028] After the product is squeezed, the device retracts multiple first electrically controlled telescopic rods 2, while the position of the lower die compression ring 12 remains unchanged. The product is then pushed out from the top of the die groove 4. At this time, multiple second electrically controlled telescopic rods 20 extend, driving the pusher block 21 to move forward and push the product forward. Then, the multiple first electrically controlled telescopic rods 2 extend and reset.
[0029] In actual use, after the blank is placed inside the mold groove 4, controlling the operation of the upper extrusion structure will cause the upper mold pressure ring 18 to descend. Then, under the combined action of the upper mold pressure ring 18, the mold groove 4, the mold center pillar 7, and the lower mold pressure ring 12, the blank is extruded and shaped. The lower mold pressure ring 12 of this device can adjust the horizontal position of its top end through a height adjustment structure, thereby changing the overall thickness of the final product. Fine-tuning of the final product can be achieved without changing the mold, improving the practicality of the device. When the height of the lower mold pressure ring 12 needs to be adjusted, hold... Knob 14 is turned to control the rotation of a threaded rod 9 and a rotating column 8 fixedly connected to it. Then, under the action of the multi-rail pulley 13, another rotating column 8 and the threaded rod 9 connected to it are driven to rotate. Since each pair of adjacent rotating columns 8 are driven by the multi-rail pulley 13 and the belt, multiple rotating columns 8 and threaded rods 9 will rotate synchronously. Then, under the action of the threaded sleeve, the device base 11 will move vertically, and then the lower molding ring 12 will move synchronously, thereby adjusting the horizontal height of the top of the lower molding ring 12.
[0030] 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.
[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. 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 cold hydraulic press for flywheel of automobile with fine adjustment function, characterized in that: Includes a base (1), on both sides of the outer edge of the upper surface of the base (1) are vertically fixedly connected to first electrically controlled telescopic rods (2), and a first device block (3) is fixedly connected between the top ends of the piston rods of multiple first electrically controlled telescopic rods (2). The first device block (3) has a mold groove (4) vertically through the middle of its upper surface, and multiple connecting columns (5) are vertically fixedly connected to the bottom end of the first device block (3). The bottom ends of the multiple connecting columns (5) are fixedly connected to a second device block (6). 6) A mold center column (7) with its top end extending through the mold groove (4) to the upper surface of the first device block (3) is vertically fixedly connected to the middle of the upper surface. A lower mold pressing ring (12) is vertically slidably connected to the lower part of the outer surface of the mold center column (7). A height adjustment structure is provided between the lower mold pressing ring (12) and the base (1). An upper extrusion structure is provided on the upper surface of the first device block (3). An upper mold pressing ring (18) with an outer contour that matches the inner contour of the mold groove (4) is provided in the upper extrusion structure.
2. The cold extrusion hydraulic machine with fine adjustment function for automobile flywheel according to claim 1, characterized in that: The height adjustment structure includes a device base (11) fixedly connected to the bottom of the outer surface of the lower molding ring (12) and located between the first device block (3) and the second device block (6). Both sides of the device base (11) are fixedly connected with multiple threaded sleeves (10). The interior of each of the multiple threaded sleeves (10) is vertically threaded with a threaded rod (9). The bottom of each of the multiple threaded rods (9) is vertically fixedly connected with a rotating column (8) that is rotatably connected to the upper surface of the base (1). The outer surface of each of the multiple rotating columns (8) is fixedly connected with a multi-track pulley (13). Each pair of adjacent multi-track pulleys (13) are connected by belt drive.
3. The cold extrusion hydraulic machine with fine adjustment function for automobile flywheel according to claim 2, characterized in that: A knob (14) is fixedly connected to the top of one of the threaded rods (9).
4. The automotive flywheel cold extrusion hydraulic press with fine-tuning function according to claim 1, characterized in that: The upper extrusion structure includes multiple support rods (15) that are vertically fixed to the outer edge of the upper surface of the first device block (3). A horizontal plate (16) is horizontally fixed to the top of the multiple support rods (15). An installation port is vertically opened in the middle of the top of the horizontal plate (16). A hydraulic rod (17) is fixedly connected inside the installation port. A connecting plate is horizontally fixed to the bottom end of the piston rod of the hydraulic rod (17). The upper molding ring (18) is fixedly connected to the lower surface of the connecting plate.
5. The cold extrusion hydraulic machine with fine adjustment function for automobile flywheel according to claim 1, characterized in that: An extension seat (19) is laterally fixedly connected to the rear end of the upper surface of the first device block (3). A plurality of second electrically controlled telescopic rods (20) are laterally fixedly connected to the rear end of the upper surface of the extension seat (19). A pusher block (21) with an open bottom is fixedly connected to the front end of the piston rod of the plurality of second electrically controlled telescopic rods (20).
6. The cold extrusion hydraulic machine with fine adjustment function for automobile flywheel according to claim 1, characterized in that: The central axes of the mold groove (4), the mold center column (7), the lower mold pressure ring (12), and the upper mold pressure ring (18) are located on the same straight line.
Citation Information
Patent Citations
Hydraulic forming device for cold extrusion hydraulic machine
CN218197090U