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CN-224209398-U - Clamping and positioning device for hardware

CN224209398UCN 224209398 UCN224209398 UCN 224209398UCN-224209398-U

Abstract

The utility model relates to the technical field of hardware machining, in particular to a clamping and positioning device for hardware, which comprises a machining table, wherein the machining table is provided with the hardware, the machining table is provided with a positioning mechanism for positioning the hardware, the positioning mechanism comprises a slotted pipe positioning assembly and a slotted pipe positioning assembly, the slotted pipe positioning assembly comprises a sliding seat fixed on two sides of the top of the machining table, the upper end of the sliding seat is slidably provided with a main positioning seat, the outer wall of the main positioning seat is fixedly provided with a shell seat and is positioned below the auxiliary positioning seat, the upper end of the inside of the shell seat is slidably provided with a spring, the rear end of the main positioning seat is fixedly provided with a limiting plate, an end cover is accurately conveyed to a clamping station through an automatic feeding mechanism, the end cover and a pipe fitting are tightly attached through an elastic pressure mechanism, the contact surface of the end cover and the pipe fitting are ensured to be completely aligned, a stable and reliable assembly standard is provided for a welding procedure, and welding quality and production efficiency are remarkably improved.

Inventors

  • ZHANG DONGMEI
  • YAO ZHIGANG
  • LU TAO

Assignees

  • 深圳市鑫宇精密制造有限公司

Dates

Publication Date
20260508
Application Date
20250728

Claims (6)

  1. 1. The clamping and positioning device for the hardware comprises a processing table (1) and is characterized in that the processing table (1) is provided with the hardware (3), the processing table (1) is provided with a positioning mechanism (2) and is used for positioning the hardware (3), and the positioning mechanism (2) comprises: The slotted tube positioning assembly (21) comprises a sliding seat (211) fixed on two sides of the top of the processing table (1), a main positioning seat (212) is slidably arranged at the upper end of the sliding seat (211), an auxiliary positioning seat (213) is fixed on the outer wall of the main positioning seat (212), a shell seat (214) is fixed on the outer wall of the main positioning seat (212) and positioned below the auxiliary positioning seat (213), a bracket (215) is slidably arranged at the upper end inside the shell seat (214), a spring is arranged between the bracket (215) and the shell seat (214), and a limiting plate (216) is fixed at the rear end of the main positioning seat (212); The front positioning assembly (22) is arranged on the processing table (1) and is used for fixing the hardware (3) from the front end; the upper positioning assembly (23) is arranged on the processing table (1) and is used for fixing the hardware (3) from the upper end; And the end cover positioning assembly (24) is arranged on the processing table (1) and is used for fixing the hardware (3) from the side end.
  2. 2. The clamping and positioning device for hardware according to claim 1, wherein the end cover positioning assembly (24) comprises fourth cylinders (241) arranged on two sides of the top of the processing table (1), fixing heads (242) are fixed at the output ends of the fourth cylinders (241), and outer convex bases (243) are fixed at the lower ends of the fixing heads (242).
  3. 3. The device for clamping and positioning hardware according to claim 1, wherein the upper positioning assembly (23) comprises vertical plates (231) arranged on two sides of the top of the processing table (1), connecting rods (232) are pivoted at the upper ends of the vertical plates (231), supports (233) are fixed at the lower ends of the connecting rods (232), pressing heads (234) are fixed at the upper ends of the supports (233), third air cylinders (235) are arranged on the vertical plates (231), and the output ends of the third air cylinders (235) are pivoted with the lower ends of the supports (233).
  4. 4. The clamping and positioning device for hardware according to claim 1, wherein the slotted tube positioning assembly (21) comprises second air cylinders (221) arranged on two sides of the top of the processing table (1), and a pressing plate (222) is fixed at the output end of each second air cylinder (221).
  5. 5. A clamping and positioning device for hardware according to claim 1, wherein the slotted tube positioning assembly (21) further comprises a first cylinder (217) mounted at the upper end of the slide (211) and adapted to drive the main positioning seat (212) to move.
  6. 6. The clamping and positioning device for hardware according to claim 2, wherein the hardware (3) comprises a slotted tube body (31) arranged above the main positioning seats (212) on two sides and an end cover body (32) arranged on the outer convex seat (243).

Description

Clamping and positioning device for hardware Technical Field The utility model relates to the technical field of hardware machining, in particular to a clamping and positioning device for hardware. Background Along with the rapid development of an automatic welding technology, a higher standard is provided for the accuracy and stability of the assembly and positioning of hardware, and particularly in the mass production of precise hardware such as automobile parts, pipeline connectors and the like, the assembly position of the pipe fitting and the end cover is required to be ensured to be accurate, and the contact surface is required to be completely matched; CN221621330U discloses a welding tool with a clamping calibration mechanism, which has the technical scheme that when a part is required to be welded, the welding tool comprises a welding table and a clamping assembly, wherein the welding table is fixed above the welding table through bolts, two groups of calibration positioning rules are arranged above the welding table, clamping plates are arranged on two sides of the two groups of calibration positioning rules, a moving groove is arranged below the clamping plates, a laser emitter is arranged on the left side of the welding table, the clamping assembly is arranged above the positioning groove, and a base is arranged below the welding table; The traditional clamping device is difficult to realize axial positioning of the slotted pipe fitting and radial accurate pressing of the end cover at the same time, so that the contact surfaces of the pipe fitting and the end cover cannot be completely matched, manual operation is low in efficiency, consistency of assembly positions is difficult to ensure, and particularly in the batch production process, the problem of inaccurate positioning can directly influence subsequent welding quality, and the defects of uneven welding seams, insufficient connection strength and the like are caused. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides the clamping and positioning device for the hardware, the end cover is accurately conveyed to the clamping station through the automatic feeding mechanism, the tight fitting of the end cover and the pipe fitting is realized by utilizing the elastic pressure mechanism, the contact surfaces of the end cover and the pipe fitting are ensured to be completely aligned, a stable and reliable assembly reference is provided for the welding process, and the welding quality and the production efficiency are obviously improved. The utility model aims at realizing the technical scheme that the clamping and positioning device for hardware comprises a processing table, wherein the hardware is arranged on the processing table, a positioning mechanism is arranged on the processing table and used for positioning the hardware, and the positioning mechanism comprises: The slotting pipe positioning assembly comprises a sliding seat fixed on two sides of the top of the processing table, a main positioning seat is slidably arranged at the upper end of the sliding seat, an auxiliary positioning seat is fixed on the outer wall of the main positioning seat, a shell seat is fixed on the outer wall of the main positioning seat and positioned below the auxiliary positioning seat, a spring is slidably arranged at the upper end inside the shell seat, a limiting plate is arranged between the spring and the shell seat, and the rear end of the main positioning seat is fixed with the limiting plate; The front positioning assembly is arranged on the processing table and is used for fixing the hardware from the front end; The upper positioning assembly is arranged on the processing table and is used for fixing the hardware from the upper end; the end cover positioning assembly is arranged on the processing table and used for fixing the hardware from the side end. Preferably, the end cover positioning assembly comprises fourth air cylinders arranged at two sides of the top of the processing table, The output end of the fourth cylinder is fixed with a fixed head, and the lower end of the fixed head is fixed with an outer convex seat. Preferably, the upper positioning assembly comprises vertical plates arranged on two sides of the top of the processing table, the upper ends of the vertical plates are pivoted with connecting rods, the lower ends of the connecting rods are fixedly provided with supports, the upper ends of the supports are fixedly provided with pressure heads, the vertical plates are provided with third air cylinders, and the output ends of the third air cylinders are pivoted with the lower ends of the supports. Preferably, the slotted tube positioning assembly comprises second air cylinders arranged on two sides of the top of the processing table, and a pressing plate is fixed at the output end of each second air cylinder. Preferably, the slotted tube positioning assembly further comprises a first cylinder i