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CN-121972545-A - Full-automatic hinge pipe processing production line

CN121972545ACN 121972545 ACN121972545 ACN 121972545ACN-121972545-A

Abstract

The invention relates to the technical field of hinge pipe bending and folding, and discloses a full-automatic hinge pipe processing production line which comprises a feeding machine, a cleaning machine, a truss manipulator, a first pipe bending machine, a second pipe bending machine and a finished product conveyor, wherein the second pipe bending machine comprises a working cabinet and a sliding table which is slidably arranged on the working cabinet, a guide sleeve is arranged on the sliding table, a pneumatic clamping head is arranged at the end part of the guide sleeve, an air cylinder is arranged at one side of the sliding table, the output end of the air cylinder is connected with a supporting component, and a positioning component is arranged at the end part of the supporting component. In the bending operation process, the pull sleeve drives the two pairs of rollers to move away from each other through the U-shaped plate, the two pairs of rollers respectively roll the communicating pipe, hydraulic oil in the communicating pipe is respectively pressed into the outer pressure bag and the inner pressure bag, gaps between the adjusting sleeve and the inner wall of the hinge pipe are filled through expansion of the outer pressure bag and the inner pressure bag, and simultaneously the outer pressure bag and the inner pressure bag respectively support bending parts on the outer side and the inner side, so that wrinkles at the junction of two bending of the hinge pipe are avoided.

Inventors

  • WU ZHIMIN

Assignees

  • 源创(广州)智能科技有限公司

Dates

Publication Date
20260505
Application Date
20260303

Claims (7)

  1. 1. The full-automatic hinge pipe machining production line is characterized by comprising a feeding machine (1), a cleaning machine (2), a truss manipulator (3), a first pipe bending machine (4), a second pipe bending machine (5) and a finished product conveyor (6), wherein the truss manipulator (3) sequentially sends workpieces in the cleaning machine (2) to the first pipe bending machine (4), the second pipe bending machine (5) and the finished product conveyor (6); The second pipe bending machine (5) comprises a working cabinet (501) and a sliding table (502) which is slidably arranged on the working cabinet (501), a guide sleeve (504) is arranged on the sliding table (502), a pneumatic clamping head (505) is arranged at the end part of the guide sleeve (504), an air cylinder (506) is arranged at one side of the sliding table (502), the output end of the air cylinder (506) is connected with a supporting component (8), a positioning component (9) is arranged at the end part of the supporting component (8), the supporting component (8) and the positioning component (9) are arranged in the guide sleeve (504), and a die (507), a first pressing sleeve (508) and a second pressing sleeve (509) are arranged at one side of the working cabinet (501); The support assembly (8) comprises a pulling sleeve (801), an adjusting sleeve (802) is sleeved on the pulling sleeve (801), a U-shaped plate (806) is slidably mounted in the adjusting sleeve (802), an outer pressing bag (808) and an inner pressing bag (809) are mounted on two sides of the adjusting sleeve (802) respectively, the outer pressing bag (808) and the inner pressing bag (809) are connected through a communicating pipe (810), two pairs of rollers (811) are transversely mounted in the adjusting sleeve (802) in a sliding mode, the communicating pipe (810) is extruded by the pairs of rollers (811), and the two pairs of rollers (811) are respectively in sliding fit with a chute (807) on the U-shaped plate (806) through guide columns (812) on the rollers.
  2. 2. The full-automatic hinge pipe machining production line according to claim 1, wherein a reset spring (803) is installed inside the pull sleeve (801), the reset spring (803) is connected with a middle plate (804), the middle plate (804) is located in the pull sleeve (801) to slide, and the middle plate (804) is connected with a U-shaped plate (806) through a pull rope (805).
  3. 3. The full-automatic hinge pipe machining production line according to claim 2, wherein a baffle (814) is installed on the adjusting sleeve (802), the baffle (814) is attached to the outer side pressing bag (808), a push rod (813) is installed on the pair of roller (811) supporting frames, and the push rod (813) abuts against the baffle (814).
  4. 4. A full-automatic hinge pipe processing production line according to claim 3, characterized in that a pressing rod (816) and a blocking sleeve (817) are installed on the adjusting sleeve (802), the pressing rod (816) is in sliding fit with the blocking sleeve (817), the blocking sleeve (817) is attached to the inner side pressing bag (809), a pressing roller (820) is installed on the pressing rod (816), and the pressing rod (813) is abutted to the pressing rod (816).
  5. 5. The full-automatic hinge pipe machining production line according to claim 4, wherein two groups of longitudinal sliding grooves (818) and transverse sliding grooves (819) are formed in the adjusting sleeve (802), sliding heads (815) are arranged at two ends of the baffle plate (814), the baffle plate (814) is respectively in sliding connection with one group of the longitudinal sliding grooves (818) and the transverse sliding grooves (819) through the sliding heads (815), and the pressing rod (816) and the retaining sleeve (817) are in sliding fit with the other group of the transverse sliding grooves (819) and the longitudinal sliding grooves (818).
  6. 6. The full-automatic hinge pipe machining production line is characterized in that the positioning assembly (9) comprises a positioning sleeve (901), an inner pressing block (902) and an outer pressing block (903) are slidably mounted on two sides of the positioning sleeve (901), an inclined surface block (904) is slidably mounted in the positioning sleeve (901), the outer pressing block (903) and the inner pressing block (902) are attached to two sides of the inclined surface block (904) in an inclined mode, an inclined sliding groove (906) is formed in the positioning sleeve (901), a sliding block (905) on the inclined surface block (904) is in sliding fit with the inclined sliding groove (906), an electromagnetic chuck (907) is mounted on the inner wall of the positioning sleeve (901), and the electromagnetic chuck (907) is electrified to absorb the inclined surface block (904).
  7. 7. The full-automatic hinge pipe machining production line according to claim 1, wherein a second motor (510) is installed on the working cabinet (501), the second motor (510) is connected with a die (507) through a belt, and the die (507) is connected with a first pressing sleeve (508) through a connecting plate (511).

Description

Full-automatic hinge pipe processing production line Technical Field The invention relates to the technical field of hinge tube bending, in particular to a full-automatic hinge tube processing production line. Background In the design of a trunk lid of a motor vehicle, a hinge elbow is one of the key components. The trunk lid is used as a bridge for connecting the trunk lid and the automobile body, so that the trunk lid can be easily opened and closed, and can bear certain weight and external force, thereby ensuring the stability and safety in the use process. The hinge bent pipe is mainly processed and produced through a production line, and the production line integrates a feeding machine (comprising a cleaning machine), a truss manipulator, a pipe bending machine, a finished product conveyor and the like, so that an automatic production line with complete process is formed. The hinge elbow is irregular in shape and large in bending degree, the hinge pipe is generally required to be bent twice, and because the two bending angles of the hinge elbow are different, the second bending starting point is required to be connected with the first bending position end point, so that obvious folds are easy to appear in the transition area of the two bending. Based on this, the prior art inserts the pipe fitting through a mandrel composed of several movable joints connected for supporting the inner wall of the pipe, for example, the invention patent with publication number CN118808404 a. The technical problems are that the crease is formed at the reducing position of the hinge elbow, the area is small, when the hinge elbow is bent, the core rod is bent along with the bending, the distance between each section of supporting piece of the core rod is changed, the supporting piece is easily moved out of the reducing area of the hinge elbow, the supporting piece is invalid, and the crease is generated. Disclosure of Invention The invention aims to provide a full-automatic hinge pipe processing production line aiming at the defects of the prior art. The aim of the invention can be achieved by the following technical scheme: The full-automatic hinge pipe machining production line comprises a feeding machine, a cleaning machine, a truss mechanical arm, a first pipe bending machine, a second pipe bending machine and a finished product conveyor, wherein a workpiece in the cleaning machine is sequentially conveyed to the first pipe bending machine, the second pipe bending machine and the finished product conveyor by the truss mechanical arm, the second pipe bending machine comprises a working cabinet and a sliding table which is slidably arranged on the working cabinet, a guide sleeve is arranged on the sliding table, a pneumatic clamping head is arranged at the end part of the guide sleeve, an air cylinder is arranged at one side of the sliding table, the output end of the air cylinder is connected with a supporting component, a positioning component is arranged at the end part of the supporting component, the supporting component and the positioning component are positioned in the guide sleeve, a die, a first pressing sleeve and a second pressing sleeve are arranged at one side of the working cabinet, the supporting component comprises a pulling sleeve, an adjusting sleeve is sleeved on the pulling sleeve, a U-shaped plate which can be slidably arranged in the adjusting sleeve, an outer pressing bag and an inner pressing bag are respectively arranged at two sides of the adjusting sleeve, the outer pressing bag and the inner pressing bag are connected through a communicating pipe, two pairs of rollers are transversely slidably arranged in the adjusting sleeve, the inside the adjusting sleeve are in a sliding mode, and the communicating pipe is respectively matched with a sliding mode on the U-shaped plate through a guide post on the two pairs of rollers. As a further scheme of the invention, a reset spring is arranged in the pull sleeve and is connected with a middle plate, the middle plate slides in the pull sleeve, and the middle plate is connected with a U-shaped plate through a pull rope. According to the invention, a baffle is arranged on the adjusting sleeve, the baffle is attached to the outer side pressure bag, a push rod is arranged on the pair of roller supporting frames, and the push rod is abutted against the baffle. As a further scheme of the invention, a pressing rod and a blocking sleeve are arranged on the adjusting sleeve, the pressing rod is in sliding fit with the blocking sleeve, the blocking sleeve is attached to the inner side pressing bag, a pressing roller is arranged on the pressing rod, and the pushing rod is abutted to the pressing rod. The invention further provides a scheme that two groups of vertical sliding grooves and horizontal sliding grooves are formed in the adjusting sleeve, sliding heads are arranged at two ends of the baffle, the baffle is respectively connected with one group of vertical