CN-224208960-U - General riveting device for header assembly of low-temperature radiator for vehicle

Abstract

The utility model discloses a general riveting device for a header assembly of a low-temperature radiator for a vehicle, which comprises a lower plate, a middle plate and an upper plate, wherein an electric cylinder is arranged on the upper plate and is connected with the middle plate through a connecting block to form a driving assembly, the lower plate is provided with a lower template, an adjustable header positioning block and a positioning insert are arranged on the lower plate, a positioning sheet for positioning the end part of the header and a positioning baffle for limiting lateral displacement are arranged on the positioning insert, the sliding riveting assembly comprises a constant-height screw, a rectangular spring, a first inclined wedge sliding block and a second inclined wedge sliding block, the horizontal movement of the first inclined wedge sliding block is used for completing baffle plate riveting, and the upper template is provided with a side plate and a second inclined wedge sliding block which are matched with the inclined surface of the first sliding block to form an inclined wedge structure for converting the vertical displacement of the electric cylinder into horizontal riveting action of the first inclined wedge sliding block. The device has the advantages of strong structural universality, high automation degree and the like, and is suitable for quick and efficient riveting operation of the header assembly in various vehicle type cooling systems.

Inventors

• WANG GUANGHUI
• LI ZHONGWEN
• YAN XUJIA
• ZHAO YUNHUI
• LI LIJUAN
• MIAO DECHAO
• ZHANG YUHUA

Assignees

• 豫新汽车热管理科技有限公司

Dates

Publication Date

20260508

Application Date

20250623

Claims (6)

1. 1. A general riveting device for a header component of a low-temperature radiator for a vehicle comprises a lower plate (1), a middle plate (16) and an upper plate (18), and is characterized in that the middle plate (16) and the upper plate (18) are connected to the lower plate (1) through a linear bearing (2), an electric cylinder (19) is arranged on the upper plate (18), the telescopic end of the electric cylinder (19) penetrates through the lower part of the upper plate (18) and is connected with the middle plate (16) through a connecting block (17), a lower template (3) arranged on the lower plate (1), a plurality of header positioning blocks (6) are arranged on the lower template (3), positioning inserts (10) are arranged on the header positioning blocks (6), a sliding riveting component is arranged on the header positioning blocks (6), the sliding riveting component comprises a first equal-height screw (8), the positioning inserts (10), a rectangular spring (9), inclined wedge sliding blocks (7) and inclined wedge sliding blocks (21), the inclined wedge sliding blocks (7) are arranged on two sides of the positioning inserts (10), the rectangular spring (9) is positioned between the inclined wedge sliding blocks (7) and the positioning blocks (7) and the upper template (21) and the inclined sliding blocks (7) are fixedly arranged along the direction of the inclined wedge sliding blocks (21) along the vertical directions, a pre-pressing component is arranged below the upper template (15).
2. 2. The universal riveting device for the header assembly of the vehicle low-temperature radiator according to claim 1, wherein the surface of the upper template (15) is provided with a side plate (13), the side plate (13) is fixedly provided with a second inclined wedge sliding block (12), and the second inclined wedge sliding block (12) is matched with the first inclined wedge sliding block (7) up and down.
3. 3. A universal riveting device for a header assembly of a vehicle low-temperature radiator according to claim 2, wherein the pre-pressing assembly comprises a second equal-height screw (23), a discharging block (22), a compression spring (24) and an upper base plate (25), the compression spring (24) is arranged between the discharging block (22) and the upper base plate (25), and the second equal-height screw (23) connects the discharging block (22), the compression spring (24) and the upper base plate (25) together.
4. 4. A universal riveting device for a header assembly of a vehicle low-temperature radiator according to claim 2, wherein a T-shaped groove is formed between the side plates (13), and the upper backing plate (25) can slide in the T-shaped groove steplessly.
5. 5. The universal riveting device for the header assembly of the automotive low-temperature radiator according to claim 1, wherein the lower limiting columns (4) and the upper limiting columns (5) are respectively arranged on the lower die plate (3) and the upper die plate (15), the lower limiting columns (4) and the upper limiting columns (5) are vertically corresponding, the universal riveting device is respectively arranged on one diagonal corner of the lower die plate (3) and one diagonal corner of the upper die plate (15), and the guide pillar assemblies (14) are respectively arranged on the other diagonal corner of the lower die plate (3) and the other diagonal corner of the upper die plate (15).
6. 6. A universal riveting device for a vehicle low temperature radiator manifold assembly according to claim 1, wherein the positioning insert (10) is provided with a positioning sheet (20), and the positioning sheet (20) is used for positioning the end of the manifold.

Description

General riveting device for header assembly of low-temperature radiator for vehicle Technical Field The utility model relates to the technical field of riveting of radiator headers, in particular to a general riveting device for a low-temperature radiator header assembly for a vehicle. Background The low-temperature radiator for the automobile is widely applied to a cooling system of a modern automobile engine and generally comprises a header pipe, a baffle plate, a nozzle, a flat pipe, fins and the like. In order to meet the requirements of different heat exchange performances, a partition plate is usually arranged in a header structure of the radiator to change the flow path of the refrigerant so as to optimize the cooling efficiency. In the prior art, the connection of the header and the separator is mainly accomplished by means of a riveting process. For example, patent document No. CN208853582U discloses a riveting device for a radiator, which comprises a fixing plate, a guide post, a riveting block assembly and a riveting cylinder, and can realize the vertical riveting of a radiator component, but the technical scheme has a fixed structure and poor suitability, is only suitable for the standardized mass production of specific model products, and lacks the flexibility of changing the model. For another example, patent document CN103743163a provides a riveting tool for a header spacer, which locates the header in a specific tool for manual riveting through a fixing groove and an end plate structure, however, the scheme mainly depends on manual operation, has a simple structure, cannot meet the requirement of automatic efficient production, and cannot realize compatible riveting of multiple products. The prior art mainly has the defects that the prior art has the defects of high structural rigidity, unadjustable modules and difficulty in adapting to radiator header assemblies of different models, low model changing efficiency, long working time and large error when the traditional fixture is used for changing models, and partial structure mainly takes manual assistance and cannot meet the requirements of mass production and consistency control; Accordingly, a general-purpose staking device for a header assembly of a low-temperature radiator for a vehicle has been proposed in view of the above-mentioned problems. Disclosure of utility model The utility model aims to overcome the prior defects, provides a general riveting device for a header component of a low-temperature radiator for a vehicle, solves the problem of frequent replacement of the header component of the low-temperature radiator by riveting, can quickly change positions of an upper module and a lower module, the riveting device is suitable for riveting the header pipes of various products, saves investment of the riveting device, saves 1 time of the change time, improves 2 times of production efficiency, and can effectively solve the problems in the background art. The utility model provides a general riveting device for a header assembly of a low-temperature radiator for a vehicle, which comprises a lower plate, a middle plate and an upper plate, wherein the middle plate and the upper plate are connected to the lower plate through linear bearings, an electric cylinder is arranged on the upper plate, a telescopic end of the electric cylinder penetrates through the lower part of the upper plate and is connected with the middle plate through a connecting block, a lower template is arranged on the lower plate and is fixedly connected with the lower plate, a plurality of header positioning blocks are arranged on the lower template, positioning inserts are arranged on the header positioning blocks, a sliding riveting assembly is arranged on the header positioning blocks, the sliding riveting assembly comprises a first equal-height screw, a positioning insert, a rectangular spring, a first inclined wedge slider and inclined wedge rivets, the first inclined wedge slider is arranged on two sides of the positioning insert, the rectangular spring is positioned between the first inclined wedge slider and the positioning insert, the first inclined wedge slider penetrates through and is fixed along the vertical direction through the equal-height screw, and the impact in the riveting process can cause mechanical vibration; the rectangular spring has a larger stroke linear range and load bearing capacity due to the structural shape, can play a role in buffering impact force and absorbing shock to a certain extent, reduces damage to a mechanism, is fixed on the inclined wedge sliding block I, is provided with an upper template above the lower template, is provided with a pre-pressing component below the upper template, is provided with a lower module, and is provided with an upper module. The lower die plate is provided with a groove, and the header positioning block can slide in the groove in a stepless manner and then is fastened by a screw. Further, a sid