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CN-224222411-U - Bending tool for window frames

CN224222411UCN 224222411 UCN224222411 UCN 224222411UCN-224222411-U

Abstract

The utility model provides a bending tool for a window frame, which comprises a base, a disc arranged on the base, a push rod assembly, a push rod and a roller, wherein a forming cambered surface is arranged on the periphery of the disc, the push rod assembly comprises a push rod and a roller, the push rod is in rotary connection with the disc and the base, a rotating point of the push rod is positioned on the circle center of the disc, the roller is arranged on the push rod, a section bar channel is formed between the roller, the disc and the base, and the push rod drives the roller to do circular motion around the rotating point when the section bar is bent, so that the roller bends the section bar in the section bar channel on the forming cambered surface. According to the utility model, the profile is placed in the profile channel, the pushing force is applied to the push rod, the push rod and the roller are guided to perform circular motion along the forming cambered surface of the disc, so that the roller bends the profile in the profile channel on the forming cambered surface, the profile is gradually bent under the action of the pushing force until the expected bending degree is reached, the deformation of the window frame is accurately controlled, and the uniform bending of the window frame is realized, thereby meeting the design requirement and ensuring the structural stability and the use function of the window frame.

Inventors

  • FENG JIANRONG
  • HUANG JIANHONG
  • WU XIHUI

Assignees

  • 广东众城交通技术有限公司

Dates

Publication Date
20260512
Application Date
20250526

Claims (10)

  1. 1. Bending tool for window frames, which is characterized by comprising: A base; the disc is arranged on the base, and a forming cambered surface is arranged on the periphery of the disc; The push rod assembly comprises a push rod and a roller, wherein the push rod is in rotary connection with the disc and the base, and the rotary point of the push rod is positioned on the circle center of the disc; When the section bar is bent, the push rod drives the roller to do circular motion around the rotating point, so that the roller bends the section bar in the section bar channel on the forming cambered surface.
  2. 2. The bending tool for the window frame according to claim 1, wherein: The lower end of the push rod is provided with a first connecting end and a second connecting end, the first connecting end and the second connecting end are arranged in a separated mode, the first connecting end is rotationally connected with the base, and the second connecting end is rotationally connected with the disc.
  3. 3. The bending tool for the window frame according to claim 2, wherein: the first connecting end and the second connecting end are respectively provided with a through hole; Mounting holes are formed in the disc and the base, and the mounting holes are arranged corresponding to the through holes; The bending tool for the window frame further comprises an installation piece, and the installation piece penetrates through the through hole and is fixed in the installation hole.
  4. 4. The bending tool for the window frame according to claim 1, wherein: The roller is rotatably connected with the push rod.
  5. 5. The bending tool for the window frame according to claim 1, wherein: The disc comprises a forming disc and a limiting disc, the forming disc is provided with a first side face and a second side face, the base is arranged on the first side face of the forming disc, and the limiting disc is arranged on the second side face of the forming disc; the diameter of the limiting disc is larger than that of the forming disc.
  6. 6. The bending tool for the window frame according to claim 1, wherein: The bending tool for the window frame further comprises a positioning assembly, wherein the positioning assembly is arranged on the base and located on the right side of the disc, and a positioning channel for passing through the section bar is formed in the positioning assembly.
  7. 7. The bending tool for the window frame according to claim 6, wherein: The positioning assembly further comprises a first positioning block and a second positioning block, the first positioning block and the second positioning block are arranged on the base in parallel, and the positioning channel is formed between the first positioning block and the second positioning block; The first positioning block is contacted with the upper side surface of the section bar, and the second positioning block is contacted with the lower side surface of the section bar.
  8. 8. The bending tool for the window frame according to claim 6, wherein: The bending tool for the window frame further comprises an auxiliary positioning assembly, wherein the auxiliary positioning assembly is arranged on the base and located on the right side of the positioning assembly, and an auxiliary positioning channel for passing through the section bar is formed in the auxiliary positioning assembly.
  9. 9. The bending tool for the window frame according to claim 8, wherein: the auxiliary positioning assembly further comprises a first auxiliary positioning block and a second auxiliary positioning block, the first auxiliary positioning block and the second auxiliary positioning block are arranged on the base in parallel, and the auxiliary positioning channel is formed between the first auxiliary positioning block and the second auxiliary positioning block; The first auxiliary positioning block is contacted with the upper side surface of the section bar, and the second auxiliary positioning block is contacted with the lower side surface of the section bar.
  10. 10. The bending tool for the window frame according to claim 8, wherein: The bending tool for the window frame further comprises a measuring ruler, wherein the measuring ruler is arranged on the base and located between the positioning assembly and the auxiliary positioning assembly.

Description

Bending tool for window frames Technical Field The utility model belongs to the technical field of processing tools of rail transit equipment, and particularly relates to a bending tool of a window frame. Background Train windows are used for ventilation and lighting and are generally composed of a window frame and glass. In the prior art, a stretch bending forming machine is generally used to fix two ends of a section bar in a stretch bending chuck, then the section bar is stretched and bent and deformed by a specific die through mechanical force, and the method is commonly used for bending large-diameter or thick-wall section bars and is suitable for processing various different metals. However, for window frames, a high semicircular precision is required, and there is an error in stretch bending molding, and particularly in mass production, fluctuation in precision affects product quality. Disclosure of utility model In order to overcome the technical defects, the utility model provides a bending tool for a window frame, which can solve the technical problem of how to bend a section bar into the window frame in the prior art. The utility model is realized according to the following technical scheme: the utility model provides a bending tool for a window frame, which comprises the following components: A base; the disc is arranged on the base, and a forming cambered surface is arranged on the periphery of the disc; The push rod assembly comprises a push rod and a roller, wherein the push rod is in rotary connection with the disc and the base, and the rotary point of the push rod is positioned on the circle center of the disc; When the section bar is bent, the push rod drives the roller to do circular motion around the rotating point, so that the roller bends the section bar in the section bar channel on the forming cambered surface. Compared with the prior art, the application has the advantages that the sectional material is placed in the sectional material channel, the pushing force is applied to the pushing rod, the pushing rod and the roller are guided to perform circular motion along the forming cambered surface of the disc, so that the roller presses and bends the sectional material in the sectional material channel on the forming cambered surface, the sectional material is gradually bent under the action of the pushing force until the expected bending degree is reached, the deformation of the window frame is precisely controlled, and the uniform bending of the window frame is realized, thereby meeting the design requirement and ensuring the structural stability and the use function of the window frame. In one embodiment, the lower end of the push rod is provided with a first connecting end and a second connecting end, the first connecting end and the second connecting end are arranged in a separated mode, the first connecting end is rotationally connected with the base, and the second connecting end is rotationally connected with the disc. In one embodiment, through holes are formed in the first connecting end and the second connecting end; Mounting holes are formed in the disc and the base, and the mounting holes are arranged corresponding to the through holes; The bending tool for the window frame further comprises an installation piece, and the installation piece penetrates through the through hole and is fixed in the installation hole. In one embodiment, the roller is rotatably coupled to the pushrod. In one embodiment, the disc comprises a molded disc having a first side and a second side, the base is disposed on the first side of the molded disc, and the limit disc is disposed on the second side of the molded disc; the diameter of the limiting disc is larger than that of the forming disc. In one embodiment, the bending tool for the window frame further comprises a positioning assembly, wherein the positioning assembly is arranged on the base and located on the right side of the disc, and a positioning channel for passing through the section bar is formed in the positioning assembly. In one embodiment, the positioning assembly further comprises a first positioning block and a second positioning block, wherein the first positioning block and the second positioning block are arranged on the base in parallel, and the positioning channel is formed between the first positioning block and the second positioning block; The first positioning block is contacted with the upper side surface of the section bar, and the second positioning block is contacted with the lower side surface of the section bar. In one embodiment, the bending tool of the window frame further comprises an auxiliary positioning assembly, wherein the auxiliary positioning assembly is arranged on the base and is positioned on the right side of the positioning assembly; The auxiliary positioning assembly is provided with an auxiliary positioning channel for passing through the section bar. In one embodiment, the auxiliary positioning a