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CN-224208962-U - Core body component ridge and bell mouth forming tool

CN224208962UCN 224208962 UCN224208962 UCN 224208962UCN-224208962-U

Abstract

The utility model relates to a core component ridge and horn mouth forming tool which comprises an upper die component, a middle die component and a lower die component, wherein the upper die component and the middle die component can move in opposite directions in a die closing direction, a first limiting piece and a first guide piece are arranged between the upper die component and the middle die component, the middle die component and the lower die component can move in opposite directions in the die closing direction, an elastic element and a second limiting piece are arranged between the lower die component and the middle die component, the upper die component comprises a pressing component and at least one group of flaring modules, the middle die component comprises at least one group of ridge dies coaxially arranged with the flaring modules, the ridge dies comprise a plurality of groups of expansion petals circumferentially arranged around the same circle center and capable of radially moving, at least one group of ridges are arranged on the periphery of the plurality of expansion petals, the lower die component comprises a driving piece coaxially arranged with the ridge dies, and the driving piece is arranged in the ridge dies and used for pushing the expansion petals to radially move, so that the ridge dies can synchronously expand the ridge and the flaring dies, and the processing efficiency is improved.

Inventors

  • WANG YANGYANG
  • YANG KAI
  • LI FENGJUAN
  • ZHANG SHUANGLU

Assignees

  • 艾瑞(成都)排放控制技术有限公司

Dates

Publication Date
20260508
Application Date
20250427

Claims (10)

  1. 1. Core body subassembly ridge and horn mouth shaping frock, its characterized in that includes: An upper die assembly (1), a middle die assembly (2) and a lower die assembly (3), The upper die assembly (1) and the middle die assembly (2) can move in opposite directions in the die assembly direction, a first limiting piece (4) and a first guide piece (5) are arranged between the upper die assembly (1) and the middle die assembly (2), The middle die assembly (2) and the lower die assembly (3) can move in opposite directions in the die closing direction, an elastic element (6) and a second limiting piece (7) are arranged between the lower die assembly (3) and the middle die assembly (2), The upper die assembly (1) comprises a material pressing assembly (11) and at least one group of flaring modules (12), The middle die assembly (2) comprises at least one group of ridge dies (21) which are coaxially arranged with the flaring die (12), the ridge dies (21) comprise a plurality of groups of expansion flaps (211) which are circumferentially arranged around the same circle center and can radially move, at least one group of ridges (2111) are arranged on the periphery of the plurality of groups of expansion flaps (211), The lower die assembly (3) comprises a driving piece (31) coaxially arranged with the ridge die (21), and the driving piece (31) is internally arranged in the ridge die (21) and used for pushing the expansion valve (211) to move radially.
  2. 2. The core assembly ridge and flare forming tool according to claim 1, wherein the upper die assembly (1) comprises an upper die plate (13), the material pressing assembly (11) comprises a material pressing plate (111), the material pressing plate (111) is connected with the upper die plate (13) through a supporting rod (112), and a pressing hole (1111) coaxial with the flaring die block (12) is formed in the material pressing plate (111).
  3. 3. The core assembly ridge and flare forming tool according to claim 1, characterized in that the lower end of the flaring module (12) is tapered and provided with a relief groove (121) for the driver (31).
  4. 4. The core assembly ridge and flare forming tool according to claim 1, wherein the middle die assembly (2) comprises a first middle die plate (22) and a second middle die plate (23) which are fixed in relative positions, A first through hole (221) coaxial with the flaring module (12) is arranged on the first middle template (22), a supporting die (24) is coaxially arranged on the first through hole (221), The ridge die (21) comprises a pressing and expanding die rod (212) with one end fixed with the second middle die plate (23), the other end of the pressing and expanding die rod (212) penetrates through the first through hole (221) and extends to the upper side of the supporting die (24), a plurality of radial openings (2121) are formed in corresponding positions of the pressing and expanding die rod (212) and the supporting die (24), and the expanding petals (211) are arranged on the radial openings (2121) and enclose a plurality of groups of expanding petals (211) on the pressing and expanding die rod (212) through elastic units encircling the outer walls of the expanding petals.
  5. 5. The core assembly ridge and flare forming tool of claim 4 in which said expansion die rod (212) is provided with a reduced diameter section (2122) and said radial opening (2121) is provided in said reduced diameter section (2122).
  6. 6. The core assembly ridge and flare forming tool according to claim 4, wherein a flange plate (2123) fixed with the second middle die plate (23) is arranged at the bottom of the expansion die rod (212), a support ring (213) sleeved on the expansion die rod (212) is arranged on the flange plate (2123), and a backing ring (214) is further arranged between the support ring (213) and the flange plate (2123).
  7. 7. The core assembly ridge and flare forming tool according to claim 4, wherein the lower die assembly (3) comprises a lower die plate (32), the driving member (31) comprises a rod body (311) fixed with the lower die plate (32) and a cone (312) acting on the expansion valve (211), and a yielding hole (231) for yielding the driving member (31) is formed in the second middle die plate (23).
  8. 8. The core assembly ridge and flare forming tool according to claim 1, wherein a plurality of groups of second guide members (8) are arranged between the middle die assembly (2) and the lower die assembly (3), the second guide members (8) comprise second guide rods (81) fixed on the lower die assembly (3), second guide holes (232) corresponding to the second guide rods (81) are formed in second middle die plates (23) of the middle die assembly (2), and the upper ends of the second guide rods (81) penetrate through the second guide holes (232) and are fixed with limiting blocks (82).
  9. 9. The core assembly ridge and flare forming tool according to claim 1, wherein the first guide piece (5) is symmetrically provided with two groups along the upper die assembly (1), the first guide piece (5) comprises a first guide rod (51) and a first guide cylinder (52), the first guide rod (51) is fixed with the upper die assembly (1), the first guide cylinder (52) is fixed with a first middle die plate (22) of the middle die assembly (2), and a first guide hole (222) corresponding to the first guide cylinder (52) is further formed in the first middle die plate (22).
  10. 10. The core assembly ridge and flare forming tool according to claim 1, wherein the first limiting piece (4) comprises a plurality of first limiting columns (41) fixed on the upper die assembly (1), the first middle die plate (22) of the middle die assembly (2) is provided with a supporting column (42) corresponding to the first limiting columns (41), and the second limiting piece (7) comprises a plurality of second limiting columns fixed on the lower side of the second middle die plate (23) of the middle die assembly (2).

Description

Core body component ridge and bell mouth forming tool Technical Field The utility model relates to the technical field of manufacturing of automobile exhaust systems, in particular to a core component ridge and horn mouth forming tool. Background The exhaust system of the automobile is generally composed of an exhaust pipe, a muffler, a catalytic converter, an exhaust system installation fixing part and other main cities, the muffler pipe is required to be subjected to three procedures of press fitting, ridge and expansion opening during production, wherein the ridge refers to the fact that a special expansion die is used for realizing the positioning and the permanent fixing of partition plate parts and core pipe parts, and two protruding edges are raised at the turning positions of the core pipe and the partition plate, so that the core pipe and the partition plate are expanded and fixed, and the assembly of the partition plate and the core pipe is suitable. The existing conventional processing procedure is to separately process the expansion opening and the ridge, the process is complex, two different sets of dies are needed, the time is long, more manpower and material resources are needed, and the working efficiency is low. Disclosure of utility model In order to solve the technical problems, the utility model provides a ridge and flare forming tool for a core assembly, which can simultaneously form ridges and flares on the core, after a pipe body is inserted into a ridge die, a flaring module is inserted into the end part of the pipe body in the continuous pressing process of an upper die assembly, a middle die assembly is pushed to be pressed down, an elastic element is compressed, a driving piece moves upwards relative to the ridge die, a expansion valve is pushed to be expanded outwards, ridge operation is completed, and the flaring module completes flaring operation on the pipe body. The utility model provides a core component ridge and horn mouth forming tool for solving the technical problems, which comprises the following steps: An upper die assembly, a middle die assembly and a lower die assembly, The upper die assembly and the middle die assembly can move in opposite directions in the die assembly direction, a first limiting piece and a first guide piece are arranged between the upper die assembly and the middle die assembly, The middle die assembly and the lower die assembly can move in opposite directions in the die closing direction, an elastic element and a second limiting piece are arranged between the lower die assembly and the middle die assembly, The upper die assembly comprises a material pressing assembly and at least one group of flaring die blocks, The middle die assembly comprises at least one group of ridge dies which are coaxially arranged with the flaring die, the ridge dies comprise a plurality of groups of expansion flaps which are circumferentially arranged around the same circle center and can radially move, at least one group of ridges are arranged on the periphery of the plurality of groups of expansion flaps, The lower die assembly comprises a driving piece coaxially arranged with the ridge die, and the driving piece is arranged in the ridge die and used for pushing the expansion valve to move radially. Further, the upper die assembly comprises an upper die plate, the material pressing assembly comprises a material pressing plate, the material pressing plate is connected with the upper die plate through a supporting rod, and a pressing hole coaxial with the flaring module is formed in the material pressing plate. Furthermore, the lower end of the flaring module is conical and provided with a yielding groove for yielding the driving piece. Further, the middle die assembly comprises a first middle die plate and a second middle die plate which are fixed in relative positions, A first via hole coaxial with the flaring module is arranged on the first middle template, a supporting die is coaxially arranged on the first via hole, The ridge die comprises a pressing and expanding die rod, one end of the pressing and expanding die rod is fixed with the second middle die plate, the other end of the pressing and expanding die rod penetrates through the first through hole and extends to the upper side of the supporting die, a plurality of radial openings are formed in the corresponding positions of the pressing and expanding die rod and the supporting die, and a plurality of groups of expansion flaps are arranged on the radial openings and are enclosed on the pressing and expanding die rod through elastic units encircling the outer wall of the expansion flaps. Further, the compression and expansion die rod is provided with a diameter reduction section, and the radial opening is arranged on the diameter reduction section. Further, a flange plate fixed with the second middle die is arranged at the bottom of the pressing and expanding die rod, a supporting ring sleeved on the pressing