CN-224209356-U - Welding positioning device for metal window frame

CN224209356UCN 224209356 UCN224209356 UCN 224209356UCN-224209356-U

Abstract

The utility model discloses a welding positioning device for a metal window frame, which comprises a bottom plate, wherein a special-shaped clamping assembly is arranged on the upper side of the bottom plate, the special-shaped clamping assembly comprises a fixed block, a telescopic cylinder is fixedly arranged on the outer surface of one side of the fixed block, a U-shaped block is fixedly arranged at the telescopic end of the telescopic cylinder, an L-shaped rod is rotatably connected to the inner side surface of each of the two ends of the U-shaped block, rollers are rotatably connected to the inner side surfaces of the two ends of the L-shaped rod, a positioning plate is arranged on one side of each L-shaped rod, a fixed shaft is fixedly arranged on the lower side surface of the center of the positioning plate, a worm wheel is fixedly arranged at the bottom end of the fixed shaft, a worm is meshed with the outer surface of the worm wheel, a knob is fixedly arranged at one end of the worm, and the positioning plate is driven to rotate to a proper position through the rotation of the worm, so that the telescopic cylinder is started to fix the window frame, the processing requirements of window frames with different specifications are met, the flexibility and the practicability of the positioning device are greatly improved, and the welding efficiency of the metal window frame is further improved.

Inventors

DONG CHUNYUAN
WU XINGYU
TONG YUE
CHEN SHUO
LIU HUAN
ZHANG GUANGYAN
LI YING

Assignees

滦州市宏远门窗有限公司

Dates

Publication Date: 20260508
Application Date: 20250428

Claims (5)

1. The welding positioning device for the metal window frame comprises a bottom plate (1), and is characterized in that a special-shaped clamping assembly (2) is arranged on the upper side of the bottom plate (1), and a fixed clamping assembly (3) is arranged on one side of the special-shaped clamping assembly (2); The special-shaped clamping assembly (2) comprises a fixed block (21), a telescopic cylinder (22) is fixedly arranged on one outer surface of the fixed block (21), a U-shaped block (23) is fixedly arranged at the telescopic end of the telescopic cylinder (22), an L-shaped rod (24) is rotatably connected to the inner side surface of the U-shaped block (23), rollers (25) are rotatably connected to the inner side surfaces of the two ends of the L-shaped rod (24), a positioning plate (26) is arranged on one side of the L-shaped rod (24), a fixed shaft (27) is fixedly arranged on the lower surface of the center of the positioning plate (26), a worm wheel (28) is fixedly arranged at the bottom end of the fixed shaft (27), a worm (29) is meshed on the outer surface of the worm wheel (28), and a knob (211) is fixedly arranged at one end of the worm (29).
2. The welding positioning device for a metal window frame according to claim 1, wherein the fixing block (21) is fixedly installed on the upper outer surface of the bottom plate (1), the positioning plate (26) rotationally slides on the upper outer surface of the bottom plate (1), and the fixing shaft (27), the worm wheel (28) and the worm (29) are rotationally connected to the inner wall of one side of the bottom plate (1).
3. Welding positioning device for metal window frames according to claim 1, characterized in that the fixed clamping assembly (3) comprises a mounting frame (31), an electric telescopic rod (32) is fixedly mounted on one side outer surface of the mounting frame (31), a thumb cylinder (33) is fixedly mounted on the inner side surface of the center of the mounting frame (31), sliding blocks (34) are symmetrically and fixedly mounted at two ends of the thumb cylinder (33), clamping plates (35) are fixedly mounted on the upper side outer surface of the sliding blocks (34), the mounting frame (31) slides on the inner side surface of the bottom plate (1), the electric telescopic rod (32) is fixedly mounted on the inner wall of the bottom plate (1), and the sliding blocks (34) slide on the inner side surface of the mounting frame (31).
4. A welding positioning device for a metal window frame according to claim 3, characterized in that the fixing block (21) and the fixing shaft (27) are arranged on the same vertical plane, and the outer surfaces of one side of the positioning plate (26) and the clamping plate (35) are both provided with silica gel protective strips.
5. A welding positioning device for a metal window frame according to claim 3, characterized in that the upper outer surface of the mounting frame (31) is horizontal to the upper outer surface of the base plate (1), and the clamping plate (35) slides on the upper outer surfaces of the mounting frame (31) and the base plate (1).

Description

Welding positioning device for metal window frame Technical Field The utility model relates to the technical field of positioning devices, in particular to a welding positioning device for a metal window frame. Background In the manufacturing process of the metal window frame, welding is a key process link for connecting window frame sections, the traditional welding process generally comprises the steps of section cutting, pre-positioning, temporary fixing, welding forming and the like, wherein the positioning accuracy directly influences the dimensional accuracy, the form and position tolerance and the overall structural stability of the welded window frame, however, the prior art still has the following problems that for example, the existing mechanical positioning device is more specific to the window frame size or structural design, is difficult to adapt to the processing requirements of different specifications (such as special-shaped windows), the flexibility and the practicability are poor, the welding efficiency of the metal window frame is reduced to a certain extent, and in order to solve the defects in the prior art, the welding positioning device for the metal window frame is provided. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides a welding positioning device for a metal window frame, which aims at solving the problems that the existing mechanical positioning device is difficult to adapt to the processing requirements of different specifications (such as special-shaped windows) aiming at specific window frame sizes or structural designs, has poor flexibility and practicality and reduces the welding efficiency of the metal window frame to a certain extent. In order to solve the technical problems, the utility model provides the technical scheme that the welding positioning device for the metal window frame comprises a bottom plate, wherein the upper side of the bottom plate is provided with a special-shaped clamping assembly, and one side of the special-shaped clamping assembly is provided with a fixed clamping assembly; The special-shaped clamping assembly comprises a fixed block, a telescopic cylinder is fixedly arranged on one side outer surface of the fixed block, a U-shaped block is fixedly arranged at the telescopic end of the telescopic cylinder, an L-shaped rod is connected to the inner side surface of the U-shaped block in a rotating mode, idler wheels are connected to the inner side surfaces of two ends of the L-shaped rod in a rotating mode, a locating plate is arranged on one side of the L-shaped rod, a fixing shaft is fixedly arranged on the lower side surface of the center of the locating plate, a worm wheel is fixedly arranged at the bottom end of the fixing shaft, a worm is meshed with the outer surface of the worm wheel, and a knob is fixedly arranged at one end of the worm. The fixed block is fixedly arranged on the outer surface of the upper side of the bottom plate, the positioning plate rotationally slides on the outer surface of the upper side of the bottom plate, and the fixed shaft, the worm wheel and the worm are rotationally connected to the inner wall of one side of the bottom plate. The fixed clamping assembly comprises a mounting frame, an electric telescopic rod is fixedly mounted on one side outer surface of the mounting frame, a thumb cylinder is fixedly mounted on the inner side surface of the center of the mounting frame, sliding blocks are symmetrically and fixedly mounted at two ends of the thumb cylinder, clamping plates are fixedly mounted on the outer side outer surface of the upper side of the sliding blocks, the mounting frame slides on the inner side surface of the bottom plate, the electric telescopic rod is fixedly mounted on the inner wall of the bottom plate, and the sliding blocks slide on the inner side surface of the mounting frame. The fixed block and the fixed shaft are arranged on the same vertical plane, and the outer surfaces of one side of the locating plate and one side of the clamping plate are respectively provided with a silica gel protective strip. The upper outer surface of the mounting frame is horizontal to the upper outer surface of the bottom plate, and the clamping plates slide on the upper outer surfaces of the mounting frame and the bottom plate. Compared with the prior art, the utility model has the beneficial effects that: According to the special-shaped clamping assembly, firstly, according to the welding requirement of a metal window frame, the rotating knob drives the worm to rotate, the worm rotates to drive the worm wheel meshed with the outer surface of the worm to rotate, so that the positioning plate is driven to rotate to a proper position, one section of the window frame is placed on the outer surface of one side of the positioning plate, then the telescopic cylinder is started to push the U-shaped block to be close to the positioning plate, so that the roll