Automobile part flanging device
By designing a composite motion flanging mechanism for the flanging device, the problem of springback on the side walls of automotive sheet metal parts was solved, achieving efficient flanging and cost reduction.
Patent Information
- Application Number
- CN202520127901.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing technologies often result in curved surfaces and springback on the sidewalls when flanging sheet metal parts at small angles, making adjustments difficult. Furthermore, existing solutions require multiple mold adjustments or additional processes, leading to low efficiency and high costs.
Design an automotive parts flanging device, which adopts a flanging mechanism including a flanging component and a drive block. Through compound motion, the horizontal and vertical movement of the flanging blade block is realized to compensate for the side wall springback and achieve the purpose of correcting the side wall springback.
It effectively compensates for sidewall springback, improves flanging effect, reduces mold investment and production costs, avoids additional mold corrections, and improves production efficiency.
Smart Images

Figure CN223875867U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile parts, more specifically, relate to a kind of automobile parts flanging device. BACKGROUND
[0002] When the sheet metal part in automobile parts is carried out small-angle positive flanging, arc surface is often generated on the side wall of the part, which leads to side wall springback. The arc surface of the side wall and the side wall springback are difficult to adjust. Common rectification scheme one: multiple debugging of mold is required to improve springback. Common rectification scheme two: negative angle shaping requires increasing side shaping process. However, the existing technology has the following disadvantages: 1. Long cycle and low efficiency are required for repeated mold testing and debugging to improve springback; 2. Tooling cost is increased due to the requirement of increasing side shaping process for negative angle shaping.
[0003] In the prior art, a vertical flanging machine with the name "a vertical flanging machine" and the publication (announcement) number "CN113953363B" is disclosed. The vertical flanging machine includes a base, a pressure roller device, a vertical column device, an upper die device, and a lower die device. The pressure roller device includes a pressure roller. The vertical column device includes a main shaft. The upper die device is detachably arranged at the lower end of the main shaft. The main shaft driving mechanism drives the rotation of the main shaft to drive the rotation of the upper die device. The upper die device includes an upper die that is detachably arranged at the lower end of the main shaft. A flanging sleeve and a double cone sleeve are arranged below the upper die. A guide rod with an upper end portion passing through the center hole of the double cone sleeve and screwed to the middle portion of the lower end of the upper die is arranged in the sleeve and provided with an upper die reset spring. The lower die device includes a lower die assembly. The lower die assembly includes a lower die and a lower die shaft. The lower end of the lower die shaft is connected to a driving mechanism to complete the closing or disengagement of the lower die assembly and the upper die device. The vertical flanging machine has better flanging perpendicularity, higher production efficiency, saves materials, and reduces costs.
[0004] However, the technology does not involve the technical problems and technical solutions of the present application. UTILITY MODEL CONTENTS
[0005] The utility model solves the technical problems of the prior art and provides an automobile parts flanging device that effectively compensates for the springback amount of the side wall during flanging processing of sheet metal parts of automobile parts, corrects the side wall springback, and improves the flanging effect of automobile parts.
[0006] To solve the above technical problems, the utility model adopts the following technical solutions:
[0007] The utility model is an automobile parts flanging device. The flanging mechanism includes a flanging assembly and a driving block. The flanging assembly includes a flanging cutter block, a fixed seat, a rotating shaft, and an adjusting block. The flanging cutter block is connected to the fixed seat through the rotating shaft. The adjusting block is connected to the flanging cutter block. The driving block is provided with a driving inclined surface. The adjusting block is provided with an adjusting inclined surface.
[0008] The flanging assembly of the flanging mechanism of the automobile part flanging device is installed at the lower part of the upper die assembly, and the driving block is installed at the upper part of the lower die assembly.
[0009] The upper die assembly comprises an upper die seat, a mounting cavity, a fixed seat of the flanging assembly, a transition block fixedly connected with the fixed seat, and the transition block is fixedly installed in the mounting cavity, and the flanging cutter block and the adjusting block protrude from the lower surface of the mounting cavity.
[0010] The upper die seat of the upper die assembly is further provided with a guide sleeve.
[0011] The lower die assembly comprises a lower die seat, a lower die template connected with the lower die seat through a connecting block, and the driving block is fixedly installed on the lower die template.
[0012] The lower die template of the lower die assembly is further provided with a guide shaft.
[0013] The flanging mechanism comprises two flanging assemblies and two driving blocks, the two flanging assemblies are symmetrically installed on the upper die assembly, and the two driving blocks are symmetrically installed on the lower die assembly.
[0014] When the upper die assembly moves downward to be close to the lower die assembly, the adjusting inclined surface of the adjusting block of each flanging assembly of the flanging mechanism is arranged to be capable of being close to and in contact with the driving inclined surface of the corresponding driving block.
[0015] The lower die template of the lower die assembly is further provided with a positioning convex die, and the positioning convex die is located between the two driving blocks.
[0016] The technical scheme of the utility model has the following working principle and beneficial effects.
[0017] The automobile part flanging device, when the upper die module and the lower die module contact, the adjusting inclined surface of the adjusting block contacts the driving inclined surface of the driving block, under the action of the driving inclined surface, the flanging mechanism realizes vertical movement, and can also realize horizontal direction movement, and realizes compound movement. BRIEF DESCRIPTION OF DRAWINGS
[0018] The following is a brief description of the content expressed by each drawing of the present specification and the marks in the drawings:
[0019] Figure 1 It is a structure schematic view of the automobile part flanging device.
[0020] Figure 2 It is a structure schematic view of the flanging assembly of the automobile part flanging device when the flanging assembly does not contact the driving block.
[0021] Figure 3 It is a structure schematic view of the flanging assembly of the automobile part flanging device when the flanging assembly contacts the driving block.
[0022] Figure 4 It is a structure schematic view of the flanging assembly of the automobile part flanging device when the flanging assembly is turned to the position.
[0023] Figure 5 It is a structure schematic view of the upper die module of the automobile part flanging device.
[0024] Figure 6The structure schematic view of the lower die module of the automobile part flanging device is shown in the utility model.
[0025] In the drawing, marks are respectively: 1, upper die assembly;2, upper die base;3, installation cavity;4, guide sleeve;5, flanging mechanism;6, flanging assembly;7, flanging cutter block;8, transition block;9, fixed base;10, rotating shaft;11, adjusting block;12, driving block;13, driving slope;14, adjusting slope;15, lower die assembly;16, lower die base;17, connecting block;18, lower die template;19, guide shaft;20, positioning convex die. DETAILED DESCRIPTION
[0026] The shape, structure, mutual position and connecting relationship between parts, the function and working principle of each component involved in the specific implementation of the utility model are further explained in detail by the description of the embodiments with reference to the drawings:
[0027] As shown in the accompanying Figure 1 -attached Figure 6The utility model discloses a kind of automobile parts flanging devices, flanging mechanism 5 includes flanging subassembly 6 and driving block 12, flanging subassembly 6 includes flanging knife block 7, fixed seat 9, rotating shaft 10, adjusting block 11, flanging knife block 7 is connected in fixed seat 9 by rotating shaft 10, adjusting block 11 connects flanging knife block 7, driving block 12 sets driving slope 13, adjusting block 11 sets adjusting slope 14.The above structure, for the deficiency in the prior art, propose the technical scheme of improvement.Structure setting, make flanging mechanism 5, flanging mechanism 5 includes flanging subassembly 6 and driving block 12, flanging subassembly 6 is installed on upper die module 1, realize up and down movement along with the up and down movement of upper die module 1, driving block 12 is fixedly arranged on lower die module 15, position will not change, cooperate with upper die module 1.Flanging subassembly 6 includes flanging knife block 7, fixed seat 9, rotating shaft 10, adjusting block 11, flanging knife block 7 is connected in fixed seat 9 by rotating shaft 10, flanging knife block 7 and fixed seat 9 are movable connection structure, adjusting block 11 connects flanging knife block 7, adjusting block 11 and flanging knife block 7 are fixed connection structure, driving block 12 sets driving slope 13, driving block 12 is fixed connection structure, adjusting block 11 sets adjusting slope 14.And when upper die module 1 and lower die module 15 contact, the adjusting slope 14 of adjusting block 11 contacts the driving slope 13 that driving block 12 sets, under the action of driving slope 13, flanging mechanism 5 realizes vertical movement, can also realize horizontal direction movement, realizes compound motion.When flanging subassembly 6 moves downwards, the adjusting slope 14 of adjusting block 11 contacts the driving slope 13 of driving block 12, driving block 12 gives adjusting block 11 a horizontal moving force, while flanging knife block 7 rotates around rotating shaft 10.At this time, the mold continues to move downwards, and flanging subassembly 6 simultaneously completes the compound motion of downwards and rightwards.Flanging subassembly 6 can reliably realize the flanging operation of automobile parts in compound motion, and flanging knife block 7 can be acted on the flanging surface of automobile parts by horizontal moving force, and give a force exceeding the angle of flanging, to compensate the rebound amount of the side wall of flanging, to correct the rebound of the side wall, and the flanging angle of automobile parts meets the requirements after flanging subassembly 6 leaves. Thus, no additional mold is needed for correction, reducing mold investment and production cost.The automobile parts flanging device described in the utility model effectively compensates the rebound amount of the side wall during the flanging processing of the sheet metal part of the automobile part, corrects the rebound of the side wall, and improves the flanging effect of the automobile part.
[0028] The flanging subassembly 6 of the flanging mechanism of the automobile parts flanging device is installed at the lower position of the upper die assembly 1, and the driving block 12 is installed at the upper position of the lower die assembly 15.The above structure, the upper die assembly realizes up and down lifting control through the telescopic component, so as to cooperate with the lower die assembly.
[0029] The upper die assembly 1 comprises an upper die seat 2, a mounting cavity 3, a fixing seat 9 of the flanging assembly 6 fixedly connected with a transition block 8, the transition block 8 being fixedly installed in the mounting cavity 3, and a flanging cutter block 7 and an adjusting block 11 protruding from the lower surface of the mounting cavity 3. In the above structure, the transition block is fixedly connected in the mounting cavity, the mounting cavity is fixedly installed on the upper die seat, the fixing seat is fixedly connected with the transition block, and the fixing seat is movably connected with the flanging cutter block through a rotating pin. In this way, when the adjusting block of the flanging assembly receives the force of the driving block, horizontal movement can occur simultaneously.
[0030] The lower die assembly 15 comprises a lower die seat 16, the lower die seat 16 being connected with a lower die template 18 through a connecting block 17, and a driving block 12 being fixedly installed on the lower die template 18. In the above structure, the lower die template is fixedly connected with the lower die seat through the connecting block. The lower die assembly is located directly below the upper die assembly, and the two assemblies are cooperated to complete the flanging when the upper die assembly moves downward.
[0031] The upper die seat 2 of the upper die assembly 1 is further provided with a guide sleeve 4, and the lower die template 18 of the lower die assembly 15 is provided with a guide shaft 19. In the above structure, when the upper die assembly 1 and the lower die assembly 15 are in contact, the guide sleeve 4 and the guide shaft 19 are sleeved to realize precise guidance.
[0032] The flanging mechanism comprises two flanging assemblies 6 and two driving blocks 12, the two flanging assemblies 6 being symmetrically installed on the upper die assembly 1, and the two driving blocks 12 being symmetrically installed on the lower die assembly 15. In the above structure, in order to simultaneously complete the flanging operation on both sides of the sheet metal part of the automobile component, the flanging mechanism comprises two flanging assemblies 6 and two driving blocks 12, and the two flanging assemblies 6 and the two driving blocks 12 are symmetrically arranged to efficiently and synchronously complete the operation.
[0033] When the upper die assembly 1 moves downward to approach the lower die assembly 15, the adjusting inclined surface 14 of the adjusting block 11 of each flanging assembly 6 of the flanging mechanism is configured to be capable of approaching and contacting the driving inclined surface 13 of a corresponding driving block 12. In the above structure, the upper die assembly moves downward to realize the flanging operation, and after the flanging operation is completed, the upper die assembly moves upward, facilitating the removal of the processed sheet metal part of the automobile component and the placement of the sheet metal part of the automobile component to be processed.
[0034] The lower die template 18 of the lower die assembly 15 is further provided with a positioning convex die 20, the positioning convex die 20 being located between the two driving blocks 12. In the above structure, when the automobile component needs to be flanged, the automobile component is positioned on the positioning convex die, and then the flanging operation is performed.
[0035] The utility model discloses a car parts flanging device, make flanging mechanism 5, flanging mechanism 5 includes flanging subassembly 6 and drive block 12, flanging subassembly 6 installs on the upper die module 1, realizes up and down movement with the up and down movement of upper die module 1, drive block 12 is fixedly arranged on lower die module 15, and the position will not change, and cooperate with upper die module 1. Flanging subassembly 6 includes flanging cutter block 7, fixed seat 9, rotating shaft 10, adjusting block 11, and flanging cutter block 7 is connected on fixed seat 9 through rotating shaft 10, and flanging cutter block 7 and fixed seat 9 are movable connection structure, adjusting block 11 connects flanging cutter block 7, and adjusting block 11 and flanging cutter block 7 are fixed connection structure, and drive block 12 sets up drive slope 13, and drive block 12 is fixed connection structure, and adjusting block 11 sets up adjustment slope 14. And when upper die module 1 and lower die module 15 contact, the adjustment slope 14 of adjusting block 11 contacts the drive slope 13 of drive block 12, under the action of drive slope 13, flanging mechanism 5 realizes vertical movement simultaneously, can also realize horizontal direction movement, realizes compound motion. When flanging subassembly 6 moves downward, the adjustment slope 14 of adjusting block 11 contacts the drive slope 13 of drive block 12, and drive block 12 gives adjusting block 11 a horizontal moving force, and simultaneously flanging cutter block 7 rotates around rotating shaft 10. At this time, the mould continues to move downward, and flanging subassembly 6 completes the compound motion of downward and rightward simultaneously. Flanging subassembly 6 can reliably realize the flanging operation of car parts in compound motion, and flanging cutter block 7 can act on the flanging surface of car parts through the horizontal moving force, and gives a force exceeding the angle of flanging, to compensate the rebound amount of the side wall of flanging, to reach the purpose of correcting the rebound of side wall, and the flanging angle of car parts meets the requirement after flanging subassembly 6 leaves. In this way, it is not necessary to correct by additional mould, reduces mould investment, and reduces production cost.
[0036] The utility model has been described exemplarily above in connection with the drawings, and obviously, the specific implementation of the utility model is not limited by the above-mentioned mode, as long as various improvements are made by adopting the method 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, all of which are within the protection scope of the utility model.
Claims
1. An automotive part flanging apparatus, characterized by: The flanging mechanism (5) comprises a flanging assembly (6) and a driving block (12), the flanging assembly (6) comprises a flanging cutter block (7), a fixed seat (9), a rotating shaft (10) and an adjusting block (11), the flanging cutter block (7) is connected to the fixed seat (9) through the rotating shaft (10), and the adjusting block (11) is connected to the flanging cutter block (7), the driving block (12) is provided with a driving slope (13), and the adjusting block (11) is provided with an adjusting slope (14).
2. The automotive part flanging apparatus of claim 1, wherein: The flanging assembly (6) of the flanging mechanism of the automobile part flanging device is installed at a lower position of the upper die assembly (1), and the driving block (12) is installed at an upper position of the lower die assembly (15).
3. The automotive part flanging apparatus of claim 2, wherein: The upper die assembly (1) comprises an upper die seat (2) and a mounting cavity (3), the fixed seat (9) of the flanging assembly (6) is fixedly connected to a transition block (8), the transition block (8) is fixedly installed in the mounting cavity (3), and the flanging cutter block (7) and the adjusting block (11) protrude from a lower surface of the mounting cavity (3).
4. The automotive part flanging apparatus according to claim 2 or 3, characterized in that: The upper die seat (2) of the upper die assembly (1) is further provided with a guide sleeve (4).
5. The automotive part flanging apparatus of claim 2, wherein: The lower die assembly (15) comprises a lower die seat (16), the lower die seat (16) is connected to a lower die template (18) through a connecting block (17), and the driving block (12) is fixedly installed on the lower die template (18).
6. The automotive part flanging apparatus of claim 5, wherein: The lower die template (18) of the lower die assembly (15) is provided with a guide shaft (19).
7. The automotive part flanging apparatus of claim 2, wherein: The flanging mechanism comprises two flanging assemblies (6) and two driving blocks (12), the two flanging assemblies (6) are symmetrically installed on the upper die assembly (1), and the two driving blocks (12) are symmetrically installed on the lower die assembly (15).
8. The automotive part flanging apparatus of claim 2, wherein: When the upper die assembly (1) moves downwards to be close to the lower die assembly (15), the adjusting slope (14) of the adjusting block (11) of each flanging assembly (6) of the flanging mechanism is configured to be capable of being close to and contacting the driving slope (13) of the corresponding driving block (12).
9. The automotive part flanging apparatus of claim 5, wherein: The lower die template (18) of the lower die assembly (15) is further provided with a positioning convex die (20), and the positioning convex die (20) is located between the two driving blocks (12).
Citation Information
Patent Citations
A vertical flanging machine
CN113953363B