Welding tool for rolled round profile
By setting support seats and positioning components on the aluminum profile welding fixture, the problem of inaccurate positioning of aluminum profiles before welding is solved, ensuring that the end face is flat and improving the welding quality and precision.
Patent Information
- Application Number
- CN202422979897.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-03
AI Technical Summary
In existing technologies, aluminum profiles cannot be effectively positioned before welding, resulting in misalignment of the end faces, which easily leads to misalignment and affects welding accuracy and roundness.
The first and second supports on the base are respectively equipped with arc surfaces, which, together with the clamping mechanism and the side pressure positioning assembly, clamp the ends and side walls of the aluminum profile to ensure that the end face is flat and the positioning is accurate.
This achieves flat bonding of the aluminum profile end faces, avoiding misalignment and improving welding quality and precision.
Smart Images
Figure CN223643069U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a welding fixture for rolled profiles. Background Technology
[0002] Currently, many household products frequently use circular aluminum profiles as frames. After rolling the aluminum profile into a circle, the two ends partially overlap, requiring the removal of excess material using cutting equipment. The ends are then welded together at the cut. Before welding, the two ends of the aluminum profile need to be aligned and fixed in place. The common practice is to use a pressing mechanism to compress the ends. However, because other parts of the rolled profile are not effectively restrained, it is prone to bending and deformation, which is transmitted to the end faces. This results in the two end faces that need to be welded not fitting together properly. Furthermore, the lack of effective restraint on the side walls of the aluminum profile can lead to misalignment after welding, resulting in insufficient roundness. Additionally, when the rolled material is placed vertically, the portion above the welding point collapses under gravity, also affecting welding accuracy. Utility Model Content
[0003] This utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the purpose of this utility model is to provide a welding fixture for rolled profiles that effectively positions and fixes the required welding location, ensuring that the end faces are flush with each other to guarantee welding quality.
[0004] A welding fixture for a rolled profile according to an embodiment of the present invention includes: a base, on which a first support seat and a second support seat are spaced apart, the first support seat and the second support seat are respectively provided with a first arc surface and a second arc surface that can conform to the outer peripheral wall of the rolled profile, a clamping mechanism is movably provided on the base opposite to the first support seat and the second support seat, the clamping mechanism abuts against the inner peripheral wall of two ends of the rolled profile to clamp the two ends of the rolled profile against the first arc surface and the second arc surface respectively, and a side pressure positioning component is provided on the base for clamping and fixing the two side walls of the rolled profile.
[0005] The welding fixture for rolled profiles according to an embodiment of the present invention has at least the following beneficial effects:
[0006] The welding fixture for the rolled profile with the above structure has a first arc surface and a second arc surface respectively contacting the outer peripheral walls of the two ends of the rolled profile. The clamping mechanism applies force to the inner peripheral walls of the two ends of the rolled profile to clamp the thickness direction of the two ends of the rolled profile. The side pressure positioning component clamps and fixes the width direction of the two ends of the rolled profile, so that the two ends of the rolled profile are flat against each other, effectively positioning and fixing the position of the rolled profile to be welded, thereby ensuring the welding quality.
[0007] In some embodiments of this utility model, the base is provided with a mounting seat that abuts against one outer wall of the rolled profile. The side-pressure positioning assembly includes a rotary clamping cylinder that can abut against the other outer wall of the rolled profile to cooperate with the mounting seat to clamp the rolled profile. The first support seat and the second support seat are both provided on the mounting seat, and the first arc surface and the second arc surface face downward. The tightening mechanism is slidably and vertically provided on the mounting seat to press the two ends of the rolled profile upward against the first arc surface and the second arc surface.
[0008] In some embodiments of this utility model, the clamping mechanism includes a lifting cylinder with its output end pointing vertically upward and a top block connected to the output end of the lifting cylinder. The mounting base is provided with a sliding guide groove in the middle, and the top block is provided with a guide protrusion adapted to the sliding guide groove. The upper end of the top block is formed with two top support portions that point to the first support base and the second support base respectively. The area between the two top support portions can accommodate the joints at both ends of the rolled profile.
[0009] In some embodiments of this utility model, the thickness of the top support in the front-to-back direction is consistent with the thickness of the inner peripheral wall of the rolled profile in the front-to-back direction.
[0010] In some embodiments of this utility model, both the first support base and the second support base can be detachably installed on the base.
[0011] In some embodiments of this utility model, the first arc surface and the second arc surface face upward, and a support and limiting mechanism is provided above the base. The support and limiting mechanism is used to lift the rolled profile upward to the portion opposite to the joints at both ends.
[0012] In some embodiments of this utility model, the supporting and limiting mechanism includes a support block, the support block having an upward-opening U-shaped groove for supporting the rolled profile, and the shape and size of the cross-section of the U-shaped groove being consistent with the shape and size of the cross-section of the rolled profile.
[0013] In some embodiments of this utility model, a vertical rod is also included. The support block is provided with a first clamping plate and a second clamping plate arranged opposite to each other. There is a through hole between the first clamping plate and the second clamping plate for the vertical rod to pass through. The support block can move up and down along the vertical rod. A locking bolt is provided between the first clamping plate and the second clamping plate to fix the support block to the vertical rod.
[0014] In some embodiments of this utility model, the base is provided with a limiting plate that abuts against one side outer wall of the rolled profile. The first support base and the second support base are both installed on the surface of the limiting plate facing the rolled profile. The side pressure positioning assembly includes two lever-type cylinders installed on the surface of the limiting plate opposite to the first support base. The output end of the lever-type cylinder can abut against the other side outer wall of the rolled profile to cooperate with the limiting plate to clamp the rolled profile.
[0015] In some embodiments of this utility model, the clamping mechanism and the side pressure positioning component are both connected to the control module, and the control module is electrically connected to a foot pedal switch for controlling the operation of the clamping mechanism and the side pressure positioning component.
[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0017] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0018] Figure 1 This is a schematic diagram of the structure of one embodiment of the welding fixture for rolled profiles of this utility model;
[0019] Figure 2 for Figure 1 A partially enlarged schematic diagram of the embodiment;
[0020] Figure 3 for Figure 1 A structural schematic diagram from another perspective of the embodiment;
[0021] Figure 4 for Figure 3 A partially enlarged schematic diagram of an embodiment.
[0022] Figure label:
[0023] Base 100; Mounting seat 110; Sliding guide groove 120; Limiting plate 130; First support seat 210; First arc surface 211; Second support seat 220; Second arc surface 221; Tightening mechanism 300; Lifting cylinder 310; Top block 320; Guide protrusion 321; Top support part 322; Side pressure positioning assembly 400; Support limiting mechanism 500; Support block 510; First clamping plate 511; Second clamping plate 512; U-shaped groove 520; Locking bolt 530; Vertical rod 600; Foot pedal switch 700; Workbench 800. Detailed Implementation
[0024] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0025] In the description of this utility model, it should be understood that the directional descriptions, such as the terms "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0026] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.
[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0028] See Figure 1 and Figure 2 , or see Figure 3 and Figure 4 This utility model discloses a welding fixture for a rolled profile, comprising: a base 100, on which a first support 210 and a second support 220 are spaced apart. The first support 210 and the second support 220 are respectively provided with a first arc surface 211 and a second arc surface 221 that can conform to the outer peripheral wall of the rolled profile. A clamping mechanism 300 is movably disposed on the base 100 opposite to the first support 210 and the second support 220. The clamping mechanism 300 abuts against the inner peripheral wall of the two ends of the rolled profile to clamp the two ends of the rolled profile against the first arc surface 211 and the second arc surface 221 respectively. The base 100 is provided with a side pressure positioning component 400 for clamping and fixing the two side walls of the rolled profile.
[0029] The welding fixture for the rolled profile with the above structure has a first arc surface 211 and a second arc surface 221 contacting the outer peripheral walls of the two ends of the rolled profile, respectively. A clamping mechanism 300 applies force to the inner peripheral walls of the two ends of the rolled profile to clamp them in the thickness direction. A side-pressure positioning component 400 clamps and fixes the two ends of the rolled profile in the width direction, thereby achieving flat contact between the end faces of the two ends of the rolled profile. This effectively positions and fixes the required welding position of the rolled profile, preventing misalignment between the end faces of the two ends and ensuring welding quality. The first arc surface 211 and the second arc surface 221 are adapted to the curvature and outer diameter of the rolled profile to be welded. Furthermore, the first arc surface 211 and the second arc surface 221 have a certain extension length to support the portion near the ends of the rolled profile. For example, the extension length of the first arc surface 211 and the second arc surface 221 is one-tenth of the circumference of the rolled profile.
[0030] See Figure 1 and Figure 2In some embodiments of this utility model, the base 100 is provided with a mounting seat 110 that abuts against one outer wall of the rolled profile. The side pressure positioning component 400 includes a rotary clamping cylinder that can abut against the other outer wall of the rolled profile to cooperate with the mounting seat 110 to clamp the rolled profile. The first support seat 210 and the second support seat 220 are both provided on the mounting seat 110, and the first arc surface 211 and the second arc surface 221 face downward. The tightening mechanism 300 is slidably and vertically provided on the mounting seat 110 to press the two ends of the rolled profile upward against the first arc surface 211 and the second arc surface 221. When using the above-structured welding fixture to fix the cigarette profile, first place the rolled profile vertically with the joints at both ends of the rolled profile at the top. Then, place one side of the outer wall of the rolled profile against the mounting base 110 and move it upward until the outer peripheral walls of the two ends of the rolled profile abut against the first arc surface 211 and the second arc surface 221. Then, the clamping mechanism 300 and the rotary clamping cylinder operate respectively. The clamping mechanism 300 applies upward force to the inner peripheral walls of the two ends of the rolled profile to cooperate with the first arc surface 211 and the second arc surface 221 to clamp the two ends of the rolled profile. The rotary clamping cylinder rotates at a certain angle and presses against the other side of the outer wall of the rolled profile to cooperate with the mounting base 110 to clamp the rolled profile. This makes the two ends of the rolled profile flush with each other, avoiding misalignment between the two ends of the rolled profile. Since most of the rolled profile hangs down under its own weight, it will not swing back and forth, which helps to simplify the construction of the welding fixture.
[0031] See Figure 1 and Figure 2 In some embodiments of this utility model, the clamping mechanism 300 includes a lifting cylinder 310 with its output end vertically upward and a top block 320 connected to the output end of the lifting cylinder 310. The mounting base 110 has a sliding guide groove 120 in its middle. The top block 320 has a guide protrusion 321 adapted to the sliding guide groove 120. The upper end of the top block 320 has two support portions 322 spaced apart, pointing towards the first support base 210 and the second support base 220 respectively. The area between the two support portions 322 can accommodate the joints at both ends of the rolled profile. It can be understood that the mounting base 110 serves both to limit the sidewalls of the rolled profile and to guide the lifting of the top block 320, achieving a dual function. The area between the two support portions 322 allows a welding head to be inserted to weld the joints at both ends of the rolled profile.
[0032] In some embodiments of this utility model, in order to further improve the clamping force of the top block 320 on the rolled profile and to prevent the rolled profile from twisting and deforming, thereby ensuring welding quality, the thickness dimension of the top support 322 in the front-back direction is consistent with the dimension of the inner peripheral wall of the rolled profile in the front-back direction.
[0033] See Figure 2 or Figure 4 In some embodiments of this utility model, the first support 210 and the second support 220 can be detachably installed on the base 100, which can adapt to the processing of rolled profiles with different diameters. When the diameter of the rolled profile increases or decreases, the first support 210 and the second support 220 can be replaced to meet the needs of welding production.
[0034] See Figure 1 and Figure 3 In some embodiments of this utility model, the first arc surface 211 and the second arc surface 221 face upwards, and a supporting and limiting mechanism 500 is provided above the base 100. The supporting and limiting mechanism 500 is used to lift the portion of the rolled profile that is opposite to the joint at both ends. When using the above-structured welding fixture to fix the cigarette profile, the rolled profile is first placed vertically with the joint at both ends of the rolled profile located at the lower end. The supporting and limiting mechanism 500 contacts the upper end of the rolled profile to stabilize the position of the rolled profile, preventing the portion above the joint at both ends of the rolled profile from tipping over or sagging due to gravity, and reducing the impact of deformation at other positions of the rolled profile on the welding position.
[0035] See Figure 1 and Figure 3 In some embodiments of this utility model, the supporting and limiting mechanism 500 includes a support block 510, the support block 510 having an upward-opening U-shaped groove 520 for supporting the rolled profile, the shape and size of the cross-section of the U-shaped groove 520 being consistent with the shape and size of the cross-section of the rolled profile, which can prevent the rolled profile from moving in the front-back direction.
[0036] See Figure 3In some embodiments of this utility model, in order to facilitate the adjustment of the height position of the support block 510 according to the diameter of the rolled profile to stably support the rolled profile, the welding fixture further includes a vertical rod 600. The support block 510 is provided with a first clamping plate 511 and a second clamping plate 512 arranged opposite to each other. There is a through hole between the first clamping plate 511 and the second clamping plate 512 through which the vertical rod 600 can pass. The support block 510 can move up and down along the vertical rod 600. A locking bolt 530 is provided between the first clamping plate 511 and the second clamping plate 512 to fix the support block 510 to the vertical rod 600. Understandably, when the required height of the support block 510 is needed, the locking bolt 530 is first loosened. This increases the size of the through hole between the first clamping plate 511 and the second clamping plate 512, creating a clearance fit between the vertical rod 600 and the through hole. The support block 510 can then move up and down along the vertical rod 600. Tightening the locking bolt 530 then brings the first clamping plate 511 and the second clamping plate 512 closer together, ensuring a tight fit between the vertical rod 600 and the through hole. This adjustment method is simple to operate and convenient to use.
[0037] See Figure 3 and Figure 4 In some embodiments of this utility model, the base 100 is provided with a limiting plate 130 that abuts against one side outer wall of the rolled profile. The first support 210 and the second support 220 are both installed on the surface of the limiting plate 130 facing the rolled profile. The side pressure positioning assembly 400 includes two lever-type cylinders installed on the surface of the limiting plate 130 away from the first support 210. The output end of the lever-type cylinder can abut against the other side outer wall of the rolled profile to cooperate with the limiting plate 130 to clamp the rolled profile. First, the rolled profile is placed vertically with the joints at both ends at the bottom. One side of the outer wall of the rolled profile is pressed against the limiting plate 130 and moved downward until the outer peripheral walls of the two ends of the rolled profile are pressed against the first arc surface 211 and the second arc surface 221. Then, the clamping mechanism 300 applies downward pressure to the inner peripheral walls of the two ends of the rolled profile, and the output end of the lever cylinder is pressed against the outer wall of the other side of the rolled profile, thereby achieving complete fixation of the rolled profile with a compact structure.
[0038] See Figure 1 and Figure 3 In this embodiment, two welding fixtures are respectively installed on opposite sides of the workbench 800. One welding fixture is used to fix the two ends of the rolled profile when the joint is located at the lower end, and the other welding fixture is used to fix the two ends of the rolled profile when the joint is located at the upper end, thereby improving welding efficiency.
[0039] In some embodiments of this utility model, to facilitate manual handling of the rolled profile in the welding fixture, the clamping mechanism 300 and the side-pressure positioning component 400 are both connected to a control module. The control module is electrically connected to a foot pedal switch 700 for controlling the operation of the clamping mechanism 300 and the side-pressure positioning component 400. When the user places the rolled profile to be welded in the predetermined position of the welding fixture, pressing the foot pedal switch 700 will fix the rolled profile in place by the clamping mechanism 300 and the side-pressure positioning component 400. After welding is completed, pressing the foot pedal switch 700 again will drive the clamping mechanism 300 and the side-pressure positioning component 400 to release the rolled profile.
[0040] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0041] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A welding fixture for rolled profiles, characterized in that, include: A base (100) is provided with a first support seat (210) and a second support seat (220) spaced apart. The first support seat (210) and the second support seat (220) are respectively provided with a first arc surface (211) and a second arc surface (221) that can fit the outer peripheral wall of the rolled profile. A clamping mechanism (300) is movably provided on the base (100) opposite to the first support seat (210) and the second support seat (220). The clamping mechanism (300) abuts against the inner peripheral wall of the two ends of the rolled profile to clamp the two ends of the rolled profile against the first arc surface (211) and the second arc surface (221) respectively. The base (100) is provided with a side pressure positioning assembly (400) for clamping and fixing the two side walls of the rolled profile.
2. The welding fixture for rolled profiles according to claim 1, characterized in that: The base (100) is provided with a mounting seat (110) that abuts against one side outer wall of the rolled profile. The side pressure positioning assembly (400) includes a rotary clamping cylinder that can abut against the other side outer wall of the rolled profile to cooperate with the mounting seat (110) to clamp the rolled profile. The first support seat (210) and the second support seat (220) are both provided on the mounting seat (110), and the first arc surface (211) and the second arc surface (221) face downward. The tightening mechanism (300) is slidably and vertically provided on the mounting seat (110) to press the two ends of the rolled profile upward against the first arc surface (211) and the second arc surface (221).
3. The welding fixture for rolled profiles according to claim 2, characterized in that: The clamping mechanism (300) includes a lifting cylinder (310) with its output end pointing vertically upward and a top block (320) connected to the output end of the lifting cylinder (310). The mounting base (110) is provided with a sliding guide groove (120) in the middle. The top block (320) is provided with a guide protrusion (321) that is adapted to the sliding guide groove (120). The upper end of the top block (320) is formed with two top support portions (322) that point to the first support base (210) and the second support base (220) respectively. The area between the two top support portions (322) can accommodate the joints at both ends of the rolled profile.
4. The welding fixture for rolled profiles according to claim 3, characterized in that: The thickness of the top support (322) in the front-to-back direction is consistent with the thickness of the inner peripheral wall of the rolled profile in the front-to-back direction.
5. The welding fixture for rolled profiles according to claim 1, characterized in that: Both the first support base (210) and the second support base (220) can be detachably installed on the base (100).
6. The welding fixture for rolled profiles according to claim 1, characterized in that: The first arc surface (211) and the second arc surface (221) face upwards, and a support limiting mechanism (500) is provided above the base (100). The support limiting mechanism (500) is used to lift the rolled profile upwards to the part opposite to the joint at both ends.
7. The welding fixture for a rolled profile according to claim 6, characterized in that: The supporting and limiting mechanism (500) includes a support block (510) having an upward-opening U-shaped groove (520) for supporting the rolled profile, the shape and size of the cross-section of the U-shaped groove (520) being consistent with the shape and size of the cross-section of the rolled profile.
8. The welding fixture for rolled profiles according to claim 7, characterized in that: It also includes a vertical rod (600), and the support block (510) is provided with a first clamping plate (511) and a second clamping plate (512) arranged opposite to each other. There is a through hole between the first clamping plate (511) and the second clamping plate (512) for the vertical rod (600) to pass through. The support block (510) can move up and down along the vertical rod (600). There is a locking bolt (530) between the first clamping plate (511) and the second clamping plate (512) for fixing the support block (510) to the vertical rod (600).
9. The welding fixture for rolled profiles according to claim 6, characterized in that: The base (100) is provided with a limiting plate (130) that abuts against one side outer wall of the rolled profile. The first support (210) and the second support (220) are both installed on the surface of the limiting plate (130) facing the rolled profile. The side pressure positioning assembly (400) includes two lever cylinders installed on the surface of the limiting plate (130) away from the first support (210). The output end of the lever cylinder can abut against the other side outer wall of the rolled profile to cooperate with the limiting plate (130) to clamp the rolled profile.
10. The welding fixture for rolled profiles according to claim 1, characterized in that: The clamping mechanism (300) and the side pressure positioning component (400) are both connected to the control module, and the control module is electrically connected to a foot pedal switch (700) for controlling the operation of the clamping mechanism (300) and the side pressure positioning component (400).