One-step edge rolling anti-inclination device
By introducing an anti-tilting design into the one-step rolling device, and using a side-pushing mechanism and elastic structure to prevent the mandrel from tilting, the problem of dimensional instability in traditional rolling molding is solved, thereby improving production efficiency and reducing costs.
Patent Information
- Application Number
- CN202422176232.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-09-05
AI Technical Summary
In the traditional one-step rolling process, the fixed mandrel is prone to tilting, which leads to unstable rolling dimensions, increases maintenance frequency and production costs.
A one-step rolling anti-tilting device was designed, including an upper mold and a lower mold. The lower mold is equipped with a rolling punch structure and a rolling forming structure. The mandrel is prevented from tilting by a side push mechanism and an elastic structure. The formed product is pushed out by a cylinder-driven push rod.
It achieves dimensional stability of rolled products, reduces production costs and improves production efficiency, and avoids the complexity of step-by-step rolling.
Smart Images
Figure CN223454939U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of progressive die processing technology especially relates to one step formula roll round anti -inclination device. BACKGROUND
[0002] Progressive die is the advanced die in present stage production and processing, its combines together many dies and has the function of many single process dies, thereby realizes the continuous automation production of many processes, has the advantages such as good processing quality, high production efficiency, less operator demand, is the big direction of die design development in stage, and the production efficiency of die is also the direction of vigorous improvement, so the design level of die is also more challenging, and one step formula forming of roll round product greatly increases production efficiency.
[0003] As Figure 1 The roll round product shown in the drawing, when using the traditional die to process such product parts, needs step-by-step roll round, increases the work step and also increases the maintenance cost. So more designers in the later period adopt one step formula roll round forming, and when one step formula forming, due to the need to consider the demand of the piece, only the structure of one end fixed can be adopted, and when roll round forming, due to single side stress, the fixed mandrel end is easy to incline, which leads to unstable roll round size, increases the maintenance frequency and affects the production cost. UTILITY MODEL CONTENT
[0004] The utility model aims at providing one step formula roll round anti-inclination device, which can be used in progressive die, to solve the problem of unstable product size of traditional one step formula roll round product.
[0005] The utility model solves the technical problems by adopting the following technical scheme:
[0006] One step formula roll round anti-inclination device, including upper die, lower die, the upper die is provided with roll round punch structure.
[0007] The lower die is provided with roll round forming structure at the position opposite to the roll round punch structure, the roll round forming structure side is provided with side push mechanism, the roll round forming structure lower end is provided with elastic structure, and the side push mechanism is fixed on the lower die seat in the lower die;
[0008] The roll round forming structure includes mandrel and mandrel fixing block, the mandrel is installed in the mandrel fixing block, the mandrel fixing block is installed in the lower die, the lower end of the mandrel fixing block is provided with rectangular spring and nitrogen spring, and the lower die is up and down movable, the push rod in the side push mechanism crosses the mandrel fixing block, and the push rod slides back and forth in the mandrel fixing block through the extension and contraction of the cylinder.
[0009] Further, the structure of the round bending punch includes a round bending punch, a pressing plate, a screw, one end of the round bending punch is fixed in the upper die, a key groove is arranged at the upper end of the round bending punch, the pressing plate is installed in the key groove, and the screw passes through the middle circular hole of the pressing plate to fix the round bending punch in the fixed plate in the upper die.
[0010] Further, the structure of the round bending punch includes a round bending punch, a pressing plate, a screw, one end of the round bending punch is fixed in the upper die, a key groove is arranged at the upper end of the round bending punch, the pressing plate is installed in the key groove, and the screw passes through the middle circular hole of the pressing plate to fix the round bending punch in the fixed plate in the upper die.
[0011] Further, the fixed end of the core rod is provided with a screw thread, and the screw fixes the core rod in the core rod fixing block through the core rod pressing block.
[0012] Further, the upper die includes an upper die seat and an upper backing plate and a fixed plate which are sequentially and fixedly arranged below the upper die seat, one end of the round bending punch is fixedly connected in the upper fixed plate, and one end of the pressing plate is installed in the key groove of the round bending punch and fixedly connected on the fixed plate through the screw.
[0013] Further, the lower die includes a lower die seat and a lower back plate, a lower backing plate and a concave die plate which are sequentially and fixedly arranged above the lower die seat, and the lower round bending punch, the core rod fixing block and the lower elastic structure are fixedly arranged in the concave die plate.
[0014] The device of the utility model can also form one-step round bending for products with high round bending requirements, and the production cost is greatly reduced and the efficiency is improved.
[0015] The utility model will be combined with the drawings and examples, and the utility model will be described in more detail. DRAWINGS
[0016] Figure 1 It is the structure diagram of the round bending product in the utility model.
[0017] Figure 2 It is the opening state sectional view of the one-step round bending anti-inclination device of the utility model.
[0018] Figure 3 It is the closing state sectional view of the one-step round bending anti-inclination device of the utility model.
[0019] Figure 4 It is the feeding schematic main sectional view of the one-step round bending anti-inclination device of the utility model. PREFERRED EMBODIMENT
[0020] As Figure 2 And Figure 3The illustrated one-step roll forming anti-inclination device comprises an upper die 70 and a lower die 71, wherein the upper die 70 is provided with a roll forming punch structure 74, which comprises a roll forming punch 741, a pressing plate 742 and a screw 743. The roll forming punch 741 is provided with a key groove, and the pressing plate 742 is hung on the upper die fixed plate 703 through the screw 743 from the key groove;
[0021] The upper die 70 comprises an upper die seat 701, and an upper backing plate 702 and a fixed plate 703 which are sequentially and fixedly stacked below the upper die seat 701. One end of the roll forming punch 741 is fixedly connected in the upper fixed plate 703, and one end of the pressing plate 742 is installed in the key groove of the roll forming punch 741 and fixedly connected on the fixed plate 703 through the screw 743.
[0022] The lower die 71 comprises a lower die seat 714, and a lower backing plate 713, a lower backing plate 712 and a concave die plate 711 which are sequentially and fixedly stacked above the lower die seat 714. The lower roll forming punch 756, the core rod fixing block 753 and the lower elastic structure are fixedly arranged in the concave die plate 711.
[0023] The lower die 71 is provided with a roll forming structure 75 at a position opposite to the roll forming punch structure 74, wherein the roll forming structure 75 is provided with a side pushing mechanism 73 at the side edge, and a floating material structure 72 is installed below the roll forming structure 75.
[0024] The roll forming structure 75 comprises a core rod pressing block 751, a core rod 752, a core rod fixing block 753, a fixed screw 754, a pressing plate 755 and a lower roll forming punch 756. The core rod 752 is installed in the core rod fixing block 753 and fastened on the core rod fixing block 753 by the core rod pressing block 751 through the screw, and the core rod fixing block 753 and the lower roll forming punch are installed in the concave die plate 711 of the lower die 71.
[0025] The rectangular spring 721 and the nitrogen gas spring 722 in the floating material structure 72 are arranged directly below the core rod fixing block, and the nitrogen gas spring 723 is arranged directly below the other end of the core rod.
[0026] The side thrust mechanism 73 is positioned on the side of the center of the rolled structure 75 and comprises a cylinder 731, a cylinder mounting base 732, a cylinder bracket 733, a push rod pressing block 734, a push rod fixing block 735, and a push rod 736. The cylinder mounting base 732 is fastened to the lower die base 714 of the lower die 71 using fastening screws. The cylinder bracket 733 is fastened to the cylinder mounting base 732 using fastening screws. The cylinder 731 is fastened to the cylinder bracket 733 using fastening screws. The push rod 736 is mounted in the push rod fixing block 735, and the push rod pressing block 734 and the push rod fixing block 735 are fastened together using fastening screws. The push rod pressing block 734 has a threaded hole at a position corresponding to the cylinder rigid body. The telescopic rigid body of the cylinder 731 is also provided with a threaded hole, which secures the cylinder 731 to the push rod pressing block 734. The push rod 736 passes through the core rod fixing block and moves back and forth following the cylinder.
[0027] The working principle of this utility model:
[0028] The initial state of the one-step anti-tilt device is as follows: Figure 2 As shown, when the punch press drives the upper die 70 upward to its apex, the feeder delivers the blanked material to directly below the curling structures 74 and 75. The punch press then drives the upper die 70 and upper curling structure 74 downward to close the molds. During this downward closing process, the curling punch 741 preferentially contacts the material. As the punch press continues its downward movement, the curling punch 741 presses the material against the core rod 752. As the punch press continues its downward movement, the floating structure 72, mounted below the core rod fixing block 753 and core rod 752, is subjected to force. As the punch press presses downward, the material deforms, completing the rough curling process. At this point, one side of the curling punch 741 acts as a support, preventing the core rod fixing block 753 from tilting. As the punch press presses downward, one end of the material contacts the lower curling punch 756 until the punch press closes, at which point the floating structure 72 retracts, completing the curling process.
[0029] Then the punch press drives the upper die 70 upward, and the lower die retracts and the floating structure 72 slowly recovers until the nitrogen springs 722 and 723 fully recover their original height. Finally, the rectangular spring 721 continues to recover and pushes the entire rolling structure out until the hanging platform of the rolling fixed block 753 contacts the lower end of the pressing block 755 fastened to the concave plate. At this time, the core rod and the nitrogen spring 723 installed below have a material thickness. At this time, the cylinder 731 in the side push mechanism 73 installed on the side extends under the control of air pressure and drives the push rod 736 to push the rolled product on the core rod off the core rod 752. After being pushed out, the cylinder 731 immediately retracts under the control of air pressure and then performs the next rolling forming. At this time, the entire rolling action is completed.
[0030] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture shown in the drawings, and if the specific posture changes, the directionality indications also change accordingly.
[0031] The present application has been described above in conjunction with the drawings, and obviously the specific implementation of the present application is not limited by the above manner, and various improvements using the method concept and technical solution of the present application, or direct application in other occasions without improvement, all fall within the protection scope of the present application.
Claims
1. A one-step roll forming anti-tilt device comprising an upper die (70), a lower die (71), characterized in that, The upper die (70) is provided with a round protruding die structure (74); The lower die (71) is provided with a round forming structure (75) below the position of the round protruding die structure (74), the side of the round forming structure (75) is provided with a side pushing mechanism (73), and the lower end of the round forming structure (75) is provided with an elastic structure (72); the side pushing mechanism (73) is fixed on a lower die seat (714) in the lower die (71). The round forming structure (75) comprises a core rod and a core rod fixing block (753), the core rod (752) is installed in the core rod fixing block (753), the core rod fixing block (753) is installed in the lower die (71), the lower end of the core rod fixing block (753) is provided with a rectangular spring (721) and a nitrogen gas spring (722) and moves up and down in the lower die (71), and the push rod (736) in the side pushing mechanism (73) transversely penetrates the core rod fixing block (753) and slides back and forth in the core rod fixing block (753) through the extension and retraction of the air cylinder (731).
2. The one-step roll forming anti-camber device of claim 1, wherein, The round protruding die structure (74) comprises a round protruding die (741), a pressing plate (742) and a screw (743), one end of the round protruding die (741) is fixed in the upper die (70), the upper end of the round protruding die (741) is provided with a key groove, the pressing plate (742) is installed in the key groove, and the screw (743) passes through a middle circular hole of the pressing plate (742) to fix the round protruding die (741) in the fixed plate (703) in the upper die (70).
3. The one-step roll forming anti-camber device of claim 1, wherein, The round forming structure (75) further comprises a core rod pressing block (751), a fixing screw (754), a pressing block (755) and a lower round protruding die (756), the side pushing mechanism (73) comprises an air cylinder (731), an air cylinder fixing seat (732), an air cylinder support (733), a push rod pressing block (734), a push rod fixing block (735) and a push rod (736), and the round forming structure (75) is fixedly arranged in the lower die (71) and the lower round protruding die (756) is fixed in the concave die plate (711) in the lower die (71).
4. The one-step roll forming anti-camber device of claim 1, wherein, The fixed end of the core rod (752) is provided with a screw thread, and the screw rod fixes the core rod (752) in the core rod fixing block (753) through the core rod pressing block (751).
5. The one-step roll forming anti-camber device of claim 2, wherein, The upper die (70) comprises an upper die seat (701), an upper backing plate (702) and a fixed plate (703) which are sequentially and fixedly arranged below the upper die seat (701), one end of the round protruding die (741) is fixedly connected in the fixed plate (703), and one end of the pressing plate (742) is installed in the key groove of the round protruding die (741) and fixedly connected to the fixed plate (703) through the screw (743).
6. The one-step roll forming anti-camber device of claim 3, wherein, The lower die (71) comprises a lower die seat (714), a lower back plate (713), a lower backing plate (712) and a concave die plate (711) which are sequentially and fixedly arranged above the lower die seat (714), and the lower round protruding die (756), the core rod fixing block (753) and the lower elastic structure are fixedly arranged in the concave die plate (711).