Pressing mechanism for improving rebound of side turning plate at tail of side wall
By designing and improving the pressing mechanism of the side panel rear flap, and utilizing a polyurethane pressing block and a cylinder-driven hinged structure, the problem of springback in the flapping of large automotive side panels was solved, thereby improving product quality and production stability.
Patent Information
- Application Number
- CN202520472981.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing technologies are insufficient to effectively control the springback of large automotive side panel flanges, leading to unstable product quality.
A pressure mechanism is designed to improve the rebound of the side flap at the tail. The pressure mechanism is driven by a polyurethane pressure block and a cylinder. The hinged structure of the support, the lower pressure bracket and the cylinder prevents the plate from rebounding before the reference wedge is in place, and ensures that the plate fits the punch.
It effectively prevents board rebound, improves product production stability, reduces defective products, and enhances production efficiency and quality.
Smart Images

Figure CN223902787U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile stamping die, especially to improve a kind of side wall tail part side overturning plate piece rebound pressure mechanism. BACKGROUND
[0002] With the development of science and technology, technology is the basic element of enterprise stable in industry development;With the times, constantly innovate, and the achievement of technology not only highlights the strength of enterprise, but also can make the development of industry more higher level.In the drive of market, all enterprises are in the operation management mode of reducing loss and lean production, and also in the basic requirement of enterprise standing in market: the hard-core concept of quality first, the continuous improvement of production technology is the most powerful way of enterprise development.
[0003] Automobile side wall is sheet metal part, and the edge of side wall needs to be flanged, and the flanged plate piece will have certain rebound, in order to control rebound and improve product flanging quality, multiple pressure structures are provided;Such as the patent CN 113426900A discloses a kind of automobile sheet metal part flanging machining die, including lower die and upper die, the upper die is arranged on the upper side of lower die, the lower die includes lower die seat, guide column, backing plate, die holder, die plate, material guide cylinder and push piece column, the present application is flanged to sheet metal part by cooperating lower die and upper die, in the process that sheet metal part and die are separated, the flanged part of sheet metal part is limited and shaped by die plate, so as to ensure that sheet metal part flanging is not prone to slight rebound phenomenon;It cannot be applied to large automobile side wall plate piece flanging rebound control processing. UTILITY MODEL CONTENTS
[0004] In view of the prior art, the utility model provides a kind of pressure mechanism for improving side wall tail part side overturning plate piece rebound, to reach the purpose of improving rebound and improving product production stability.
[0005] In order to solve the above technical problems, the technical scheme adopted by the utility model is:
[0006] The pressure mechanism for improving side wall tail part side overturning plate piece rebound, the pressure mechanism is arranged on the lower die body, the pressure mechanism includes support, cylinder, lower pressure support and pressure block for the lower edge of side overturning plate piece, support is fixed on the lower die body, one end of lower pressure support is hinged on support, one end of cylinder is hinged on support, the other end of cylinder is hinged and connected with lower pressure support, and pressure block is arranged at the lower part of the other end of lower pressure support.
[0007] Further:
[0008] The pressure block is polyurethane pressure block.
[0009] The support is provided with lugs at both ends, one end of the cylinder is hingedly connected with one of the lugs, and one end of the pressing support is hingedly connected with the other lug.
[0010] The pressing support is a bent support, and the other end of the cylinder is hingedly connected with the bent part of the pressing support.
[0011] The end of the pressing support is provided with a fixing hole, and the polyurethane pressing block is internally provided with a stepped hole, and the pressing block is fixed by a fastening bolt.
[0012] The support is a stamping formed base plate structure.
[0013] The piston rod end of the cylinder is fixed with a connecting fork, and the end of the connecting fork is hingedly connected with the bent part through a movable shaft.
[0014] Compared with the prior art, the utility model has the following advantages:
[0015] The improved side wall tail side turnover plate piece rebound pressing mechanism has reasonable structure design, and the polyurethane pressing material is added to prevent rebound after the work of the upper sequence plate piece, to prevent the poor product caused by the deviation of the plate piece by the reference inclined wedge in the actual batch production process, and to improve the stability of product production. BRIEF DESCRIPTION OF DRAWINGS
[0016] The content expressed by each drawing of the present specification and the marks in the drawings are briefly described as follows:
[0017] Figure 1 It is a mechanism structure schematic view of the utility model.
[0018] Figure 2 It is a mechanism application state schematic view of the utility model.
[0019] In the drawings:
[0020] 1. support, 2. cylinder, 3. connecting fork, 4. pressing support, 5. polyurethane pressing block, 6. pin shaft, 7. movable shaft. DETAILED DESCRIPTION
[0021] The specific implementation of the utility model is further explained in detail by comparing the drawings and describing the embodiments.
[0022] As shown in Figure 1 and Figure 2 The improved side wall tail side turnover plate piece rebound pressing mechanism is arranged on the lower die body; the pressing mechanism comprises a support 1, a cylinder 2, a pressing support 4 and a pressing block for pressing the edge of the side turnover plate piece, the support 1 is fixed on the lower die body, one end of the pressing support is hingedly connected with the support, one end of the cylinder is hingedly connected with the support, the other end of the cylinder 2 is hingedly connected with the pressing support, and the pressing block is arranged at the lower part of the other end of the pressing support.
[0023] The utility model improves the side wall tail part rebound of side turning plate piece pressure material mechanism structure design reasonable, through increase polyurethane pressure material to prevent the rebound after the work of the upper sequence plate piece, lead to the benchmark angle wedge to place after the plate piece string movement, prevent the defective product of plate piece by benchmark angle wedge in the actual batch production process, improve the stability of product production.
[0024] The support 1 is provided with lugs at both ends, one end of the cylinder is hingedly connected with one lug, and one end of the pressing support is hingedly connected with the other lug.
[0025] The pressing block is a polyurethane pressing block 5, further, the end of the pressing support is provided with a fixing hole, the polyurethane pressing block is provided with a stepped hole, the pressing block is fixed by fastening bolts, and the pressing block is convenient to install and replace.
[0026] The pressing support is a bending support, the other end of the cylinder is hingedly connected with the bending part of the pressing support, further, the piston rod end of the cylinder is fixed with a connecting fork 3, and the end of the connecting fork is hingedly connected with the bending part through a movable shaft; the structure is stable and reliable, and has a large movable range.
[0027] The support 1 is locked on the body by screws, the cylinder 2 is installed on the support 1 to form a mechanism driving part, the connecting fork 3, the pressing support 4 and the polyurethane pressing block 5 are connected by a pin shaft 6 and a movable shaft 7 to form a mechanism connecting rod part, and the polyurethane pressing block 5 is a mechanism pressure material part.
[0028] The utility model pressure material mechanism aims at improving the rebound of the plate piece when the side wall tail part is turned, before the benchmark angle wedge is in place, the plate piece is pressed to be attached to the convex mold by increasing the pressure material mechanism assembly, the rebound of the plate piece after the work of the upper sequence is adjusted to a state required by the present sequence by the pressure material mechanism, the attachment state of the plate piece after the benchmark angle wedge is in place is ensured, the production quality is ensured, and the production efficiency is improved.
[0029] The above is only the description of the preferred embodiment of the utility model, and the above technical features can be combined to form multiple embodiment schemes of the utility model.
[0030] The utility model is described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode, as long as various non-essential improvements are made by adopting the concept and technical scheme of the utility model, or the concept and technical scheme of the utility model is directly applied to other occasions without improvement, and all falls within the protection scope of the utility model.
Claims
1. A pressing mechanism for improving the rebound of a side flap plate at the rear of a side panel, the pressing mechanism being disposed on a lower die body, characterized in that: The pressing mechanism includes a support, a cylinder, a pressing bracket, and a pressing block for pressing down the edge of the side-flipping plate. The support is fixed on the lower mold body. One end of the pressing bracket is hinged to the support, one end of the cylinder is hinged to the support, and the other end of the cylinder is hinged to the pressing bracket. The pressing block is located at the lower part of the other end of the pressing bracket.
2. The pressing mechanism for improving the rebound of the side flap at the rear of the side panel as described in claim 1, characterized in that: The pressing block is a polyurethane pressing block.
3. The pressing mechanism for improving the rebound of the side flap panel at the rear end as described in claim 1, characterized in that: Both ends of the support are provided with lugs. One end of the cylinder is hinged to one lug, and one end of the pressure bracket is hinged to the other lug.
4. The pressing mechanism for improving the rebound of the side flap plate at the rear end as described in claim 1, characterized in that: The pressing bracket is a bent bracket, and the other end of the cylinder is hinged to the bent part of the pressing bracket.
5. The pressing mechanism for improving the rebound of the side flap plate at the rear end as described in claim 2, characterized in that: The end of the pressure bracket is provided with a fixing hole, and the polyurethane pressure block is provided with a stepped hole. The pressure block is fixed by fastening bolts.
6. The pressing mechanism for improving the rebound of the side flap at the rear of the side panel as described in claim 3, characterized in that: The support is a stamped base plate structure.
7. The pressing mechanism for improving the rebound of the side flap at the rear of the side panel as described in claim 4, characterized in that: The piston rod end of the cylinder is fixed with a connecting fork, and the end of the connecting fork is hinged to the bend via a movable shaft.