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CN-122007856-A - Cold frock of inserting of auto injection molding combination bolt

CN122007856ACN 122007856 ACN122007856 ACN 122007856ACN-122007856-A

Abstract

The application relates to a cold insertion tool for an automobile injection molding assembly bolt, and relates to the technical field of automobile injection molding assembly tools. According to the application, the in-place detection mechanism is integrated in the lower tool, the controller, the buzzer and the alarm lamp are arranged outside, so that the real-time on-line detection and early warning system of the press-fit quality is constructed, and when the combined bolt is pressed to a preset depth, the bottom end of the combined bolt can touch the contact travel switch arranged in the sensor mounting hole. The switch signal is sent to the controller for judgment through the signal transmission module, if all bolts trigger signals, the switch signal is regarded as qualified, if any bolt is not in place, the controller immediately drives the buzzer and the alarm lamp to send out audible and visual alarm, the detection link is seamlessly embedded into the press-fitting procedure through the design, the traditional manual visual or secondary measurement is replaced, and the immediate capture and interception of the defects of missing and insufficient press-fitting are realized.

Inventors

  • ZHAI GUOFANG
  • LI WEI
  • GUO HAIYAN

Assignees

  • 北京国材汽车复合材料有限公司

Dates

Publication Date
20260512
Application Date
20260303

Claims (10)

  1. 1. The cold-inserting tool for the automobile injection molding combined bolt comprises a lower tool (1), an upper tool (2), a press-fitting assembly (3) and an in-place detection mechanism (4), and is characterized in that an automobile injection molding body (6) is placed on the upper surface of the lower tool (1), uniformly distributed combined bolts (15) are arranged at the edge of the automobile injection molding body (6), reserved holes (17) for positioning the combined bolts (15) are formed in the upper surface of the lower tool (1), the in-place detection mechanism (4) comprises a plurality of sensor mounting holes (401) formed in the bottom surface of the lower tool (1), the positions of the plurality of sensor mounting holes (401) respectively correspond to the positions of the reserved holes (17), the inner wall of each sensor mounting hole (401) is fixedly connected with a fixing frame (402), the bottom end of each fixing frame (402) is fixedly connected with a mounting plate (403), the upper surface of each mounting plate (403) is fixedly connected with a contact travel switch (404), the upper surface of the contact travel switch (1) is fixedly connected with the bottom end of the contact switch (404), the contact switch (405) is fixedly connected with the bottom surface of the contact switch (1), the press-fit assemblies (3) are fixedly connected to the bottom surface of the upper tool (2), and the positions of the press-fit assemblies (3) are in one-to-one correspondence with the reserved holes (17) in the lower tool (1).
  2. 2. The cold inserting tool for the automobile injection molding assembly bolts is characterized in that a bottom plate (10) is arranged below the lower tool (1), a plurality of fixing columns (11) are fixedly connected to the upper surface of the bottom plate (10), and the top ends of the fixing columns (11) are fixedly connected with the bottom surface of the lower tool (1).
  3. 3. The cold inserting tool for the automobile injection molding assembly bolts is characterized in that a controller (406) is fixedly connected to the outer surface of the bottom plate (10), the controller (406) is electrically connected with a signal transmission module (405), a buzzer (407) and an alarm lamp (408) are mounted on the upper surface of the controller (406), and the buzzer (407) and the alarm lamp (408) are electrically connected with the controller (406).
  4. 4. The cold inserting tool for the automobile injection molding assembly bolts is characterized in that limiting bosses (5) which are uniformly distributed are fixedly connected to the upper surface of the lower tool (1), and the automobile injection molding body (6) is placed among the limiting bosses (5).
  5. 5. The cold-inserting tool for the automobile injection molding assembly bolt is characterized in that a positioning assembly (7) is arranged outside the lower tool (1), the positioning assembly (7) comprises two supports (701) fixedly connected to the outer surface of the lower tool (1), an air cylinder (702) is fixedly connected to the upper surface of each support (701), and a positioning block (703) is fixedly connected to the output end of each air cylinder (702).
  6. 6. The cold inserting tool for the automobile injection molding assembly bolts is characterized in that guide posts (8) are fixedly connected to four corners of the upper surface of the lower tool (1), a top plate (9) is arranged above the upper tool (2), the top ends of the four guide posts (8) are fixedly connected with the bottom surface of the top plate (9), and the four corners of the upper tool (2) are respectively sleeved on the outer surfaces of the four guide posts (8) in a sliding mode.
  7. 7. The cold-inserting tool for the automobile injection molding assembly bolt is characterized in that the press-fitting assembly (3) comprises a plurality of press rods (301) fixedly connected to the bottom surface of the upper tool (2), a sleeve rod (302) is sleeved at the bottom end of each press rod (301) in a sliding mode, and a fixing piece (303) is fixedly connected to the top end of each sleeve rod (302).
  8. 8. The cold-inserting tool for automobile injection molding assembly bolts according to claim 7, wherein springs (304) are fixedly connected to the upper surface of each fixing piece (303), the springs (304) are sleeved outside the compression rods (301), the top ends of the springs (304) are fixedly connected to the bottom surface of the upper tool (2), and a profiling pressure head (305) for press-fitting the assembly bolts (15) is fixedly connected to the bottom end of each sleeve rod (302).
  9. 9. The cold-inserting tool for the automobile injection molding assembly bolts is characterized in that an outer connecting plate (12) is arranged above the top plate (9), a connecting interface (13) is fixedly connected to the upper surface of the outer connecting plate (12), a plurality of connecting columns (14) are fixedly connected to the bottom surface of the outer connecting plate (12), the connecting columns (14) are all sleeved on the inner wall of the top plate (9) in a sliding mode, and the bottom ends of the connecting columns (14) are all fixedly connected with the upper surface of the upper tool (2).
  10. 10. The cold inserting tool for the automobile injection molding assembly bolts is characterized in that L-shaped locating frames (16) are fixedly connected to two sides of the upper surface of the bottom plate (10), and straight notches are formed in the upper surface of each L-shaped locating frame (16).

Description

Cold frock of inserting of auto injection molding combination bolt Technical Field The invention relates to the field of automobile injection part assembly tools, in particular to an automobile injection part combined bolt cold insertion tool. Background In the assembly of automobile injection molding parts (such as an interior support, a chassis guard plate, an engine cabin plastic part and the like), cold insertion and press fitting of a combined bolt is a key procedure, accurate press fitting positions and uniform pressure of the bolt are ensured through a tool, and meanwhile, the bolt is ensured to be completely pressed in place, so that the problems of missing installation, insufficient press fitting and the like are avoided. When the existing cold insertion tool is pressed against a combined bolt, the following technical pain points exist: 1. the existing tooling is of a single-specification integrated structure, the positioning references of the upper tooling and the lower tooling are not uniform, the product is easy to place and deviate, the stress is uneven when the combined bolts are pressed, the problems of bolt inclination, plastic part cracking and the like occur, and the flexibility of adapting to injection molding parts of different types is insufficient; 2. The tool only bears the functions of positioning and pressure transmission, has no bolt in-place detection mechanism, needs to check whether the tool is in place or not manually after press fitting, has missing installation or not, has low efficiency, is easy to misjudge, and is easy to flow into subsequent procedures; 3. the system linkage is insufficient, namely the tool, equipment and an MES system are disjointed, even if unqualified is detected, the alarm or product input interception cannot be automatically triggered, the quality control tracing of the whole production process is difficult to realize, and the intelligent requirement of mass production of automobile parts is not met To the above-mentioned problem, it is urgent to design a cold frock of inserting of integrated accurate location, detection in place, the cold equipment operation of inserting of system linkage function, to adapt to cold equipment operation of inserting, realizes the integrated management and control of combination bolt pressure equipment, detection, early warning, retrospection, satisfies the high quality control of car injection molding, high efficiency production demand. Disclosure of Invention The application aims to provide a cold insertion tool for an automobile injection molding assembly bolt, which aims to solve the problems in the background technology. The application provides an automobile injection molding piece combined bolt cold insertion tool which adopts the following technical scheme that the automobile injection molding piece combined bolt cold insertion tool comprises a lower tool, an upper tool, a press-fit assembly and an in-place detection mechanism, wherein an automobile injection molding piece body is placed on the upper surface of the lower tool, uniformly distributed combined bolts are arranged at the edge of the automobile injection molding piece body, reserved holes for positioning the combined bolts are formed in the upper surface of the lower tool, the in-place detection mechanism comprises a plurality of sensor mounting holes formed in the bottom surface of the lower tool, the positions of the plurality of sensor mounting holes correspond to the positions of the reserved holes respectively, the inner wall of each sensor mounting hole is fixedly connected with a fixing frame, the bottom end of each fixing frame is fixedly connected with a mounting plate, the upper surface of each mounting plate is fixedly connected with a contact travel switch, the upper surface of each contact travel switch is contacted with the bottom end of the combined bolt, the bottom surface of the lower tool is fixedly connected with a signal transmission module, the contact travel switches are electrically connected with the signal transmission module, the bottom surface of each sensor mounting hole is fixedly connected with the upper surface of the mounting plate, and the upper surface of the corresponding to the lower tool is fixedly connected with the reserved holes; Through adopting above-mentioned technical scheme, pressure equipment subassembly and preformed hole one-to-one, can be accurate aim at the combination bolt of placing on the automobile injection molding body, the cooperation is gone up the push down action of frock and is realized accurate pressure equipment, the condition that the inclination skew appears in the combination bolt is avoided, contact formula travel switch is direct to contact with the combination bolt bottom simultaneously, but the pressure equipment state of real-time feedback bolt, rethread signal transmission module transmits the test information, realize the integrated operation of pressure equipment and detection,