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CN-224210381-U - Air bag frame inserts anchor clamps structure of moulding plastics

CN224210381UCN 224210381 UCN224210381 UCN 224210381UCN-224210381-U

Abstract

The utility model discloses an air bag frame insert injection molding clamp structure, which relates to the technical field of injection molding clamps and comprises a workbench, wherein a first fixed block and a second fixed block are fixedly arranged on two sides of the top of the workbench, a plurality of groups of limiting blocks are fixedly arranged in equal rows in a connecting block, connecting rods are fixedly connected with a rotating shaft, an included angle between the connecting rods is 120 degrees, clamping blocks are fixed on the inner sides of the connecting rods, and a limiting mechanism matched with the connecting rods for use is fixedly arranged in the connecting block. The limiting block is made of rubber, the limiting mechanism precisely constrains the motion track of the connecting rod through the fixed ring and the fixed frame, the position stability of the insert during injection molding is ensured, the injection molding defect caused by shaking is prevented, the sliding groove at the top of the workbench provides precise guide for the movement of the movable frame, the movable mold and the fixed mold are ensured to be accurately aligned and matched, and the insert is firmly fixed, so that the insert is not displaced when the plastic melt fills the cavity, the plastic and the insert are ensured to be tightly combined, and the injection molding quality is improved.

Inventors

  • TAO JIAJIA

Assignees

  • 上海德广自动化科技有限公司

Dates

Publication Date
20260508
Application Date
20250411

Claims (5)

  1. 1. An air bag frame insert injection molding clamp structure comprises a workbench (1) and is characterized in that a first fixed block (3) and a second fixed block (4) are fixedly arranged on two sides of the top of the workbench (1), a fixed die (9) is fixedly arranged on the inner side of the first fixed block (3), an air cylinder (5) is arranged in the second fixed block (4), the output end of the air cylinder (5) is fixedly connected with a movable frame (6), the top of the movable frame (6) is connected with an injection molding mechanism (7), the output end of the injection molding mechanism (7) is fixedly provided with a movable die (8), an injection molding head in the injection molding mechanism (7) penetrates through the movable die (8), a connecting block (13) is arranged in the fixed die (9) in a symmetrical structure, a plurality of groups of limiting blocks (14) are fixedly arranged in the connecting block (13), a clamping mechanism is fixedly arranged in the connecting block (13) and is fixedly connected with an insert body (12), the clamping mechanism comprises a telescopic rod (19), a movable block (18), a connecting rod (16), a rotary shaft (19) and a telescopic rod (19) are fixedly connected with the telescopic rod (19), the rotating shafts (22) are uniformly distributed between the movable blocks (18) and are rotationally connected with the movable blocks (18), the connecting rods (17) are fixedly connected with the rotating shafts (22), the included angles between the connecting rods (17) are 120 degrees, the clamping blocks (16) are fixed on the inner sides of the connecting rods (17), and limiting mechanisms matched with the connecting rods (17) for use are fixedly arranged in the connecting blocks (13).
  2. 2. The airbag frame insert injection molding clamp structure according to claim 1, wherein the limiting mechanism comprises a fixed ring (20) and a plurality of groups of fixing frames (21), the fixed ring (20) is fixed on the inner side of the connecting block (13), the plurality of groups of fixing frames (21) are uniformly distributed on the top of the fixed ring (20) and fixedly connected with the fixing frames (21), and the connecting rod (17) is positioned between the fixing frames (21) and rotatably connected with the fixing frames (21).
  3. 3. The airbag frame insert injection molding clamp structure according to claim 2, wherein a plurality of groups of movable grooves (15) matched with the connecting rods (17) and the clamping blocks (16) are formed in the connecting blocks (13), and the connecting blocks (13) are fixedly connected with the fixed die (9) through fixing bolts (10).
  4. 4. The airbag frame insert injection molding clamp structure according to claim 1, wherein the limiting block (14) is made of rubber materials, a protruding block (23) matched with the insert body (12) is arranged at the bottom of the limiting block (14), and a rubber pad is arranged on the inner side of the clamping block (16).
  5. 5. The airbag frame insert injection molding clamp structure according to claim 1, wherein a sliding groove (11) matched with the movable frame (6) is formed in the top of the workbench (1), and a plurality of groups of supporting legs (2) are fixedly arranged at the bottom of the workbench (1).

Description

Air bag frame inserts anchor clamps structure of moulding plastics Technical Field The utility model belongs to the technical field of injection molding clamps, and particularly relates to an air bag frame insert injection molding clamp structure. Background In an automobile safety system, an airbag is a critical component, an airbag frame is taken as an important bearing component of the airbag, the quality and performance of the airbag frame directly influence the working effect and reliability of the airbag, and at present, an insert injection molding process is generally adopted for manufacturing the airbag frame, namely, an insert which is processed in advance is accurately placed in a mold, and then plastic melt is injected, so that the plastic and the insert are combined to form a complete airbag frame product. In the injection molding process, larger pressure and impact force can be generated when the plastic melt is injected into the mold, if the clamping of the clamp to the insert is unstable, the insert is easy to displace or shake, and the product after injection molding is defective, such as position deviation of the insert, uneven plastic filling and the like. However, the existing clamps have defects in the aspects of control and distribution of clamping force, reliable clamping of the inserts is difficult to ensure, the existing clamps are complex to operate in the process of clamping and disassembling the inserts, a large amount of time and labor are required to be spent, a plurality of steps and tools are required in the clamping process of some clamps, operators need to have higher skill level to accurately finish the operation, if the clamping force is uneven, the inserts are easily damaged due to overlarge local stress, or the clamping is unstable due to overlarge local stress, and in addition, part of the clamps lack of effective buffering and damping measures, cannot effectively resist the impact force during injection of plastic melt, and further the clamping stability is reduced. Disclosure of utility model In order to overcome the defects, the utility model provides an air bag frame insert injection molding clamp structure, which solves the problems of the existing air bag frame insert injection molding clamp in the aspects of positioning precision, clamping stability, universality, operation efficiency and the like. In order to achieve the above purpose, the air bag frame insert injection molding clamp structure comprises a workbench, wherein a first fixed block and a second fixed block are fixedly arranged on two sides of the top of the workbench, a fixed mold is fixedly arranged on the inner side of the first fixed block, an air cylinder is arranged in the second fixed block, the output end of the air cylinder is fixedly connected with a movable frame, an injection molding mechanism is connected to the top of the movable frame, a movable mold is fixedly arranged at the output end of the injection molding mechanism, an injection molding head in the injection molding mechanism penetrates through the movable mold, a connecting block is symmetrically arranged in the fixed mold, a plurality of groups of limiting blocks are fixedly arranged in the connecting block, a clamping mechanism is fixedly arranged in the connecting block, an insert body is clamped and connected in the clamping mechanism, the clamping mechanism comprises a telescopic rod, a movable block, a connecting rod, a clamping block and a rotating shaft, the telescopic rod is fixedly arranged at the inner bottom of the connecting block, the movable block is fixedly connected with the output end of the telescopic rod, the rotating shaft is uniformly distributed between the movable block and is in rotation connection with the movable block, the connecting block is fixedly connected with the connecting rod, and the connecting rod is fixedly arranged in the connecting block, and is fixedly matched with the limiting mechanism 120. As a further scheme of the utility model, the limiting mechanism comprises a fixed ring and a plurality of groups of fixed frames, wherein the fixed ring is fixed on the inner side of the connecting block, the plurality of groups of fixed frames are uniformly distributed on the top of the fixed ring and fixedly connected with the fixed frames, and the connecting rod is positioned between the fixed frames and rotationally connected with the fixed frames. As a further scheme of the utility model, a plurality of groups of movable grooves matched with the connecting rods and the clamping blocks are formed in the connecting blocks, and the connecting blocks are fixedly connected with the fixed die through fixing bolts. According to the utility model, the limiting block is made of rubber materials, the bottom of the limiting block is provided with a protruding block matched with the insert body, and a rubber pad is arranged on the inner side of the clamping block. As a further scheme of the utility model,