Connecting buckle forming tool of automobile engine valve driving system

By adopting a stamping die and multi-tool collaborative forming process, the problem of edge cracks in thin-walled parts during processing was solved, enabling rapid forming and elimination of fatigue fracture of the connecting clips of the automotive engine valve drive system, thus improving product reliability.

CN223801324UActive Publication Date: 2026-01-16LIZHOU HARDWARE SPRING XIAMEN
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Patent Information

Application Number
CN202520139801.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-16
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing processing equipment is prone to cracking at the edges and corners when processing thin-walled parts, leading to fatigue fracture and rendering the product unusable.

Method used

The process employs a stamping die module and a forming module that includes pressing the edge radius, and utilizes the synergistic action of multiple cutting tools to progressively form the connecting clips of the automotive engine valve drive system. It uses 0.5mm thick carbon steel quenched and tempered steel strip material to eliminate fatigue sources.

Benefits of technology

It enables rapid prototyping of snap-fit ​​components, eliminates edge cracks, avoids fatigue fracture, and improves product lifespan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile engine valve driving system connecting buckle forming tool which is characterized in that the automobile engine valve driving system connecting buckle forming tool comprises a stamping die module and a forming module, the stamping die module is used for pressing an edge R angle, the stamping die module comprises a plurality of sets of stamping dies aiming at the buckle edge and the R angle, and the forming module is provided with a plurality of sets of cutters and a center die. And the workpiece is pressed into the buckle through the cutter and the center die.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hardware processing auxiliary instrument especially relates to a connecting buckle forming tool for automobile engine valve drive system. BACKGROUND

[0002] Because the material thickness is thin, the space angle is more, the existing processing instrument has the crack in the edge bending when processing, and the crack is easy to form the fatigue source when using, which leads to the product fracture and cannot be used. UTILITY MODEL CONTENTS

[0003] In view of the above problem, the utility model provides a connecting buckle forming tool for automobile engine valve drive system, solves the quick forming production problem of buckle, and solves the problem of crack at the edge after forming and fatigue fracture.

[0004] To solve the above technical problem, the utility model adopts the following technical scheme: a connecting buckle forming tool for automobile engine valve drive system, comprising a stamping die module for pressing the edge R angle and a forming module;

[0005] The stamping die module comprises a plurality of stamping dies for the buckle edge and R angle, and the stamping die comprises a stamping die for stamping the buckle edge R angle, outer edge and inner groove;

[0006] The forming module comprises a first cutter, a second cutter, a third cutter, a fourth cutter, a fifth cutter, a sixth cutter, a seventh cutter and a center die.

[0007] Further, the first cutter is used for fixing the workpiece with the center die, and the first cutter and the center die are clamped in the middle, that is, the cutter head of the first cutter presses the workpiece on the upper surface of the center die, and the second cutter of the center die is used for cutting off the excess material;

[0008] Further, the cutter head of the third cutter and the fourth cutter is provided with an inner concave arc segment top head for forming a half R angle, and the third cutter and the fourth cutter are used for downward pressing to form a half R angle on both sides in cooperation with the center die;

[0009] Further, the cutter head of the fifth cutter is provided with a circular arc top head for forming a secondary R angle, and the fifth cutter is used for downward pressing to form a secondary R angle on one side of the workpiece;

[0010] Further, the sixth cutter is used for pressing the straight line segment on the other side of the workpiece;

[0011] Further, one side of the cutter head of the seventh cutter is provided with a convex arc segment top head, and the seventh cutter is used for applying a reverse force to the tail end angle.

[0012] Adopt 0.5mm thickness carbon steel quenching + tempering steel belt, material hardness is greater than 400HV5, material surface is free from crack.

[0013] The forming principle is as follows: first, the material is cut by a stamping die;

[0014] Second, the edge of the cut material is pressed to form a certain R angle to eliminate the fatigue source, and the edge of the cut material is pressed to form a certain R angle to eliminate the fatigue source.

[0015] The fifth cutter and the sixth cutter are used to press the remaining R angle that has not been folded in place, and finally the seventh cutter is used to apply a force value in the opposite direction to the tail end of the corner to form the product.

[0016] From the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages:

[0017] 1. Convenient for processing and forming.

[0018] 2. Eliminate fatigue source, solve the problem of crack and fatigue fracture of the edge after forming. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for purposes of illustrating the application. The embodiments of the application illustrated in the drawings are not intended to be limiting of the application, and serve only to explain the principles of the application. In the drawings:

[0020] Figure 1 It is an installation structure schematic view of the utility model;

[0021] Figure 2 It is a forming module structure schematic view of the utility model;

[0022] Figure 3 It is a local structure schematic view of the forming module of the utility model;

[0023] Figure 4 It is a workpiece structure schematic view of the utility model;

[0024] Figure 5 It is a first cutter structure schematic view of the utility model;

[0025] Figure 6 It is a second cutter structure schematic view of the utility model;

[0026] Figure 7 It is a third cutter structure schematic view of the utility model;

[0027] Figure 8 The fourth cutter structure schematic view of the utility model;

[0028] Figure 9 The fifth cutter structure schematic view of the utility model;

[0029] Figure 10 The sixth cutter structure schematic view of the utility model;

[0030] Figure 11 The seventh cutter structure schematic view of the utility model. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0032] EMBODIMENT

[0033] REFERENCE Figures 1-11 A kind of automobile engine valve drive system connecting buckle forming tool, including the stamping die module 1 of pressing edge R angle and forming module 2;

[0034] The stamping die module includes several groups of stamping die 3 for buckle edge and R angle, and the stamping die 3 includes the stamping die die of stamping buckle edge R angle, outer edge and inner groove.

[0035] The forming module includes first cutter 4, second cutter 5, third cutter 6, fourth cutter 7, fifth cutter 8, sixth cutter 9, seventh cutter 10 and center die 11,

[0036] First cutter 4 is used to cooperate with center die 11 to fix workpiece 12, second cutter 5 is used to cut off redundant material, and first cutter 4 and center die 11 are clamped in the middle of workpiece 12, i.e. the cutter head of first cutter 4 is pressed on the upper surface of center die 11, and the workpiece extends out of the center die at both ends.

[0037] The cutter head of third cutter 6 and fourth cutter 7 is provided with the inner concave arc segment top head 16 of forming half R angle, and third cutter 6 and fourth cutter 7 are used to press down and cooperate with center die 11 to form half R angle 13 on both sides,

[0038] The cutter head of fifth cutter is provided with the circular arc top head 17 of forming secondary R angle, and fifth cutter 8 is pressed down to form secondary R angle 14 on one side of workpiece,

[0039] Sixth cutter 9 is used to press and form straight line segment 15 on the other side of workpiece,

[0040] The side of the head of the seventh cutter is provided with a convex arc segment top head 18, and the seventh cutter 10 is used to apply a reverse force to the tail end corner.

[0041] The workpiece 12 is made of 0.5mm thick carbon steel quenched and tempered steel strip, and the material hardness is greater than 400HV5, and the material surface is free of cracks.

[0042] First step, material slitting is carried out by using the stamping die 3, so that the outer edge, R angle and inner groove of the workpiece material are stamped and formed;

[0043] Second step, the edge of the cut material is pressed to a certain R angle to eliminate possible fatigue sources

[0044] Third step, after feeding, the workpiece 12 is fixed by the cooperation of the first cutter 4 and the center die 11, and the two ends of the workpiece extend out of the center die 11, and the connecting material between the two workpieces is cut off by the second cutter;

[0045] Fourth step, the inner concave arc segment top head 16 of the third cutter 6 and the fourth cutter 7 is pressed down to cooperate with the center die 11 to form the R angle 13 on both sides;

[0046] Fifth step, the circular arc top head 17 of the head of the fifth cutter is pressed to form the secondary R angle 14 on one side of the workpiece;

[0047] Sixth step, the sixth cutter 9 is used to press and form a straight line segment 15 on the other side of the workpiece;

[0048] Seventh step, the convex arc segment top head 18 on one side of the seventh cutter applies a reverse force to the tail end corner to make the R angle fixed;

[0049] Eighth step, after the forming is completed, the product is pushed out and falls.

Claims

1. An automobile engine valve drive system connecting clip forming tool, characterized by: The invention relates to a stamping die module (1) and a forming module (2) for pressing the R corner of the pressing edge, the stamping die module (1) comprises several groups of stamping dies (3) for the buckle edge and R corner, the forming module (2) comprises a first cutter (4), a second cutter (5), a third cutter (6), a fourth cutter (7), a fifth cutter (8), a sixth cutter (9), a seventh cutter (10) and a center die (11), the first cutter (4) is used to fix the workpiece (12) with the center die (11), the second cutter (5) is used to cut off the excess material, the third cutter (6) and the fourth cutter (7) are used to press down to form the two half R corners (13) of the two sides with the center die (11), the fifth cutter (8) is used to press down to form the secondary R corner (14) of one side of the workpiece, the sixth cutter (9) is used to press the straight line segment (15) of the other side of the workpiece, and the seventh cutter (10) is used to apply a reverse force to the tail end corner.

2. The connecting buckle forming tool for a valve drive system of an automobile engine according to claim 1, characterized in that: The stamping die (3) comprises a stamping die for pressing the buckle edge R corner, the outer edge and the inner groove.

3. The connecting buckle forming tool for a valve drive system of an automobile engine according to claim 1, characterized in that: The first cutter (4) and the center die (11) clamp the workpiece (12) in the middle, that is, the cutter head of the first cutter (4) presses the workpiece on the upper surface of the center die (11), and the two ends of the workpiece extend out of the center die.

4. The connecting buckle forming tool for a valve drive system of an automobile engine according to claim 1, characterized in that: The cutter head of the third cutter (6) and the fourth cutter (7) is provided with a concave arc segment top head (16) for forming a half R corner.

5. The connecting buckle forming tool for a valve drive system of an automobile engine according to claim 1, characterized in that: The cutter head of the fifth cutter is provided with a circular arc top head (17) for forming a secondary R corner.

6. The connecting buckle forming tool for a valve drive system of an automobile engine according to claim 1, characterized in that: One side of the cutter head of the seventh cutter is provided with a convex arc segment top head (18).