CN-224224330-U - WorldSID50 dummy side-impact arm skin manufacturing device

CN224224330UCN 224224330 UCN224224330 UCN 224224330UCN-224224330-U

Abstract

The utility model relates to a WorldSID50 dummy side-impact arm skin manufacturing device which comprises a die upper molding box, a die lower molding box, a lower insert, a middle module, an upper plug pin, a pouring hole cover plate, a parting surface notch backing plate and a taper locating pin. The upper mold box and the lower mold box of the mold are fixed by screws to form a cavity with the outline of the side bump arm, and the inner part of the cavity is formed into a lining structure by a lower insert fixed by screws and the middle module. The upper bolt penetrates through the positioning hole to realize multilayer accurate positioning. The parting surface notch backing plate is embedded into the parting surface notch through the locking screw, and the pouring hole formed by the end curved surface groove is matched with the cover plate with the vent, so that the air is effectively discharged, and the filling rate is improved. The device is aluminum alloy material, through the durability of integrated into one piece technology reinforcing arm connector, middle module provides accurate contour positioning for skeleton embedding. The device has the advantages of exquisite integrated into one piece structure, simple and convenient operation, light weight, optimized and improved yield of the pouring system, and suitability for manufacturing the skin of the WorldSID50 dummy side-touching arm.

Inventors

JIANG YA
HE SHAODONG
QI FUHUA
Tang Gangcheng
Cai Benxian

Assignees

湖南赛孚汽车科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250728

Claims (7)

1. The WorldSID50 dummy side-impact arm skin manufacturing device is characterized by comprising an upper mold box (1), a lower mold box (2), a lower insert (3), a middle module (4), an upper plug pin (5), a pouring orifice cover plate (6), a parting surface notch liner plate (7) and a taper locating pin (8), wherein the upper mold box (1) and the lower mold box (2) jointly form a cavity which covers the profile shapes of half arms of the lower insert (3) and the middle module (4), bolt handles are respectively arranged on the side surfaces of the upper mold box (1) and the lower mold box (2), parting surface notch and parting surface notch liner plates (7) are respectively arranged on the left side and the right side of the upper mold box (1) and the lower mold box (2), the pouring orifice cover plate (6) is fixed through bolts at the end parts of the upper mold box (1) and the lower mold box (2), an exhaust hole is formed in the middle of the pouring orifice cover plate (6), the lower insert (3) is fixed on the lower mold box (2) through the bolts, the upper mold box (4) and the side-impact device and the upper mold box (2) is integrally connected with the upper mold box (5) through the locating pin, and the upper mold box (5) is integrally formed on the side of the upper mold box (2).
2. The WorldSID50 dummy side bump arm skin manufacturing device according to claim 1 is characterized in that a positioning hole and a positioning pin hole are formed in the middle of the lower insert (3), the positioning pin holes are located at two ends of the lower insert (3) and are coaxially communicated, the pin holes with different diameters are used for limiting penetration of an upper plug pin (5), a groove is formed in a lower mold box (2), the lower insert (3) is located on the lower mold box (2) through the groove and the positioning pin, and the lower insert (3) is tightly connected with the lower insert (3) through a screw penetrating through the lower mold box (2).
3. The WorldSID50 dummy side bump arm skin manufacturing device is characterized in that the middle module (4) is positioned on the lower insert (3) through a positioning hole and a positioning pin, and is fixed with the lower insert (3) through an upper plug pin (5), the middle module (4) provides limit for the upper plug pin (5) and has an outline dimension for embedding a side bump arm framework, one end of the upper plug pin (5) is a threaded plug pin shaft, the other end of the upper plug pin is a straight handle, a round hole is formed in the middle of the handle, screwing and pulling out of the upper plug pin (5) are facilitated, and the upper plug pin (5) penetrates through an upper die box (1), the middle module (4) and the lower insert (3) are fixed with the lower die box (2) through threaded connection of the end portions.
4. The WorldSID50 dummy side bump arm skin manufacturing device according to claim 1, wherein the upper mold (1) is provided with a positioning hole, and the upper bolt (5) passes through the positioning hole and is in clearance fit with the positioning hole.
5. The WorldSID50 dummy side bump arm skin manufacturing device according to claim 1, wherein the parting plane notch pad (7) is embedded in the parting plane notch, the upper surface of the parting plane notch pad (7) is attached to the upper edge of the parting plane notch of the upper mold box (1), the lower surface of the parting plane notch pad (7) is attached to the lower edge of the parting plane notch of the lower mold box (2), and the parting plane notch is fixed to the top and the bottom of the parting plane notch of the upper mold box (1) and the lower mold box (2) respectively through locking screws.
6. The WorldSID50 dummy side bump arm skin manufacturing device according to claim 1, wherein curved surface grooves are formed in the ends of the upper mold box (1) and the lower mold box (2), the curved surface grooves form pouring holes of the WorldSID50 dummy side bump arm manufacturing device, the pouring hole cover plate (6) is fixed with the upper mold box (1) and the lower mold box (2) through screws, and vent holes are formed in the middle of the pouring hole cover plate (6).
7. The WorldSID50 dummy side bump arm skin manufacturing device according to claim 1, wherein a taper locating pin (8) is arranged on the contact surface of the upper die (1) and the lower die (2), locating holes and threaded holes are arranged at intervals, and the upper die (1) and the lower die (2) are fixed by screws penetrating through the locating holes.

Description

WorldSID50 dummy side-impact arm skin manufacturing device Technical Field The utility model relates to the field of automobile safety detection, in particular to a WorldSID50 dummy side-impact arm skin manufacturing device. Background In the field of automobile safety tests, a side collision test is one of important links for evaluating the safety performance of a vehicle. The WorldSID50 dummy is used as an international test device for evaluating the collision safety of automobiles, and is widely applied to automobile side collision tests for simulating the dynamic response and damage risk of human bodies in the collision process. The mechanical property and the manufacturing process of the skin material of the touch detection arm of the dummy, which is used as a key part directly contacted with the car door or the interior trim in the side collision, directly influence the accuracy and the reliability of the test data. At present, the manufacturing of the WorldSID50 dummy arm skin mainly depends on a manual or semi-automatic process, and has the problems that firstly, the consistency is poor, the manual manufacturing is difficult to accurately control the skin thickness, the material distribution and the surface texture, the performance difference of different batches of products is large, the repeatability of the test is affected, secondly, the efficiency is low, the traditional method depends on manual operation, the production efficiency is low, the mass production requirement is difficult to meet, and thirdly, the precision is insufficient, the arm skin needs to be tightly attached to the dummy skeleton, the local stress is easy to be uneven due to manual molding, and the reality of collision force transmission is affected. In the prior art, CN216609754U discloses a skin mold for an upper arm of a THOR-50M dummy, the device adopts a mold compression molding mode, and the uniformity of skin manufacturing is improved through heating and pressure control. However, the technology still has the limitation that firstly, the suitability is insufficient, the mold is designed mainly for a universal dummy arm, and is not optimized for the specific structure of the WorldSID50 dummy arm, so that the matching degree of skin and bones after molding is not high. Secondly, the material adaptability is limited, namely the WorldSID50 dummy arm skin needs to adopt a specific polyurethane elastomer and PVC material to simulate the casting molding of real human tissues, while the device disclosed by CN216609754U is not optimized for the fluidity and the solidification characteristic of the high-elasticity material, the half arm skeleton cannot be fixed continuously after the skin casting molding, the problems of bubbles and uneven thickness are easy to occur, and the adhesion between the skin and the skeleton is influenced. Therefore, there is a need for a device for manufacturing the skin of the side-impact arm of the world sid50 dummy, which solves the problems of poor adaptability, insufficient material forming precision, low production efficiency and the like in the prior art, thereby improving the reliability level of the dummy test data. Disclosure of utility model In order to solve the problems in the background technology, the utility model provides a WorldSID50 dummy side-touch arm skin manufacturing device, and the WorldSID50 dummy side-touch arm can be manufactured by the utility model. The utility model discloses a WorldSID50 dummy side-impact arm skin manufacturing device which comprises an upper die box, a lower insert, a middle module, an upper bolt, a pouring hole cover plate and a parting surface notch pad, wherein the upper die box and the lower die box jointly form a cavity which covers the outline shape of the half arm of the lower insert and the middle module, bolt handles are respectively arranged on the side surfaces of the upper die box and the lower die box, parting surface notch pads are arranged on the left side and the right side of the upper die box and the lower die box, the parting surface notch pad is arranged at the notch, the pouring hole cover plate is fixed through screws at the end parts of the upper die box and the lower die box, and an exhaust hole is arranged in the middle of the pouring hole cover plate. The lower insert is fixed on the upper side of the lower mold box of the mold through screws, forms a complete lining of the skin manufacturing device of the side contact arm together with the middle module, is fixed on the upper side of the lower mold box of the mold through an upper bolt, and is provided with a positioning hole at the top part of the upper mold box of the mold, and passes through the upper bolt through the positioning hole to be connected with the lower mold box of the mold. Further, a positioning hole and a positioning pin hole are formed in the middle of the lower insert, the positioning pin holes are located at two ends of the lower insert and are coaxially c