Positioning device for brass pipe welding

Abstract

The utility model relates to the technical field of pipeline welding assistance, in particular to a positioning device for brass pipe welding, which comprises a mounting seat, a base plate is assembled on the top of the mounting seat, a right supporting plate and a left supporting plate are symmetrically assembled on the left side and the right side above the mounting seat, and clamping components are assembled on the surfaces of the right supporting plate and the left supporting plate in a supporting manner. Rotating plate seats are welded to the inner side edges of the right supporting plate and the left supporting plate, limiting shafts are inserted into the rotating plate seats and fixedly inserted to the upper portion of the base plate, sliding balls are assembled at the bottoms of the sides, away from the rotating plate seats, of the right supporting plate and the left supporting plate correspondingly, and the clamping assembly comprises a lower V-shaped supporting frame and an upper V-shaped pressing frame. The bottom of the lower V-shaped supporting frame is assembled and supported through a supporting seat, and sliding columns are assembled on the side edge of the upper V-shaped pressing frame and the side edge of the lower V-shaped supporting frame. According to the pipeline welding clamp, pipelines of different specifications can be conveniently limited and clamped according to welding requirements, meanwhile, the angles of the welded pipelines can be conveniently adjusted according to the welding requirements, and use is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline welding assistance, and specifically relates to a positioning device for welding brass pipes. Background Technique

[0002] Due to its good electrical conductivity, thermal conductivity, corrosion resistance and easy machinability, brass pipes have been widely used in many industrial fields. For example, in refrigeration equipment, plumbing pipes, heat dissipation components of electronic equipment, etc., brass pipes play an important role. In the manufacturing and installation process of brass pipes, welding is a common and key connection method, and a positioning and fixing device is required for assistance during the welding operation to ensure the stability of subsequent welding.

[0003] In this regard, Chinese Patent Application No.: CN202322396276.3 discloses a copper pipe welding positioning and clamping device, which relates to the technical field of pipe welding brackets. The copper pipe welding positioning and clamping device aims to solve the technical problem that it is impossible to accurately fix the interfaces of two pipes effectively when processing the pipes to be welded in the prior art; the positioning and clamping device includes a clamping device main body; a first groove is provided on the surface of the clamping device main body, a hydraulic base is provided on the surface of the clamping device main body, a hydraulic pump is provided on the surface of the clamping device main body, a first support base is provided at the upper end of the hydraulic base, a fixing ring is provided at the upper end of the first support base, there are two groups of fixing rings, and a central control console is provided on the surface of the clamping device main body.

[0004] However, the existing pipeline welding device is inconvenient to limit and clamp pipes of different specifications according to the welding requirements. Since the brass pipe is relatively light in texture, poor clamping is likely to cause instability during welding, affecting the use efficiency. At the same time, it is inconvenient to adjust the angle of the welding pipe according to the welding requirements, affecting the use efficiency.

[0005] Therefore, in order to solve the above problems, a positioning device for welding brass pipes is proposed. Content of the Utility Model

[0006] The purpose of the utility model is to provide a positioning device for welding brass pipes to solve the problems raised in the above background technique.

[0007] To achieve the above object, the present utility model provides the following technical solution: A positioning device for welding brass tubes, which includes a mounting base. A backing plate is assembled on the top of the mounting base. On the left and right sides above the mounting base, a right support plate and a left support plate are symmetrically assembled. Clamping components are assembled and supported on the surfaces of the right support plate and the left support plate. Rotating plate seats are welded to the inner sides of the right support plate and the left support plate. A limiting shaft is inserted into the rotating plate seats, and the limiting shaft is inserted and fixed on the upper part of the backing plate. Sliding balls are assembled at the bottoms of the right support plate and the left support plate away from the rotating plate seats. The clamping components are composed of a lower support ∨ frame and an upper pressing ∧ frame. The bottom of the lower support ∨ frame is assembled and supported through a support seat, and sliding columns are assembled on the side of the upper pressing ∧ frame and the side of the lower support ∨ frame.

[0008] As a further improvement of this solution, a limiting middle frame is arranged between the right support plate and the left support plate, and the limiting middle frame is fixed at the center of the top of the backing plate. A collecting hopper is assembled and fixed on the upper part of the limiting middle frame.

[0009] As a further improvement of this solution, the outer wall of the collecting hopper is inclined with a wider top and a narrower bottom, and a slag discharge port is arranged at the rear side of the limiting middle frame.

[0010] As a further improvement of this solution, an inner card slot corresponding to the limiting shaft is opened at the center of the top of the backing plate. The cross-sections of the limiting shaft and the inner card slot are both hexagonal. An inner screw pin is inserted into the limiting shaft, and the inner screw pin is threadedly assembled on the inner bottom wall of the inner card slot.

[0011] As a further improvement of this solution, an auxiliary sleeve corresponding to the limiting shaft is assembled in the rotating plate seat, and a hexagonal through hole is opened in the auxiliary sleeve. The outer wall of the auxiliary sleeve and the inner wall of the rotating plate seat are assembled through an inner bearing.

[0012] As a further improvement of this solution, the sliding ball is composed of two hemispheres and is assembled through bolts. The sliding ball is assembled with a support leg through an inner shaft pin. The two groups of support legs are respectively assembled at the bottoms of the right support plate and the left support plate. An inner clamping bead is fixed in the middle of the inner shaft pin. Inner bead grooves and assembly grooves corresponding to the inner clamping bead and the inner shaft pin are respectively opened inside and on both sides of the sliding ball. Limiting feet are fixed on both inner sides of the right support plate and the left support plate. A limiting insertion pin is threadedly inserted into the limiting feet, and the inner end of the limiting insertion pin abuts against the surface of the backing plate.

[0013] As a further improvement of this solution, a side plate is integrally arranged on the side of the upper pressing ∧ frame, and the side plate is sleeved on the upper part of the sliding column. The bottom of the sliding column is fixed on the side of the support seat. A butterfly nut is threadedly sleeved on the upper end of the sliding column.

[0014] As a further improvement of this solution, a vertical support rod is supported between the inner side of the support seat and the outer wall of the lower support ∨ frame. Inner gaskets are glued on the inner walls of the lower support ∨ frame and the upper pressing ∧ frame. An auxiliary spring is sleeved on the surface of the sliding column, and the auxiliary spring is located between the side plate and the side of the support seat.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model facilitates the limit clamping of pipes of different specifications according to the welding requirements, and at the same time, it is also convenient to adjust the angle of the welded pipe according to the welding requirements, making the use more convenient;

[0016] 1. The present utility model is provided with a right support plate and a left support plate to lift and support the brass pipe to be welded. At the same time, through the assembly of the rotating plate seat and the limiting shaft, with the cooperation of the sliding balls, it is convenient to adjust the rotation of the right support plate and the left support plate, and it is convenient to rotate and adjust according to the welding angle requirements of the two groups of brass pipes, making the positioning welding assistance more convenient. Through this design, the convenience and practicality of the positioning device for brass pipe welding are improved.

[0017] 2. The present utility model is provided with a clamping assembly. With the setting of the lower support ∨ frame and the upper pressing ∧ frame, it is convenient to clamp the brass pipe inside, so that the brass pipe is stably located above the right support plate and the left support plate during welding, and it is also convenient to adjust the angle subsequently, making the welding operation more convenient. At the same time, with the cooperation of the sliding columns, it is convenient to adjust the clamping space between the lower support ∨ frame and the upper pressing ∧ frame, and it is convenient to stably clamp brass pipes of different specifications, making the subsequent welding more convenient and stable. Through this design, the convenience and practicality of the positioning device for brass pipe welding are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a front three-dimensional schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a side sectional three-dimensional schematic diagram of the structure of the present utility model;

[0020] Figure 3 is a front three-dimensional assembly explosion diagram of the local structure of the right support plate and the clamping assembly of the present utility model;

[0021] Figure 4 is a front three-dimensional assembly explosion diagram of the local structure of the sliding ball of the present utility model;

[0022] Figure 5 is a side three-dimensional schematic diagram of the overall structure of the present utility model during positioning and clamping;

[0023] In the figure: 100, mounting base; 110, backing plate; 200, right support plate; 210, rotating plate base; 211, auxiliary sleeve; 212, inner bearing; 220, limiting shaft; 221, inner card slot; 222, inner screw pin; 230, sliding ball; 231, inner shaft pin; 232, support leg; 233, inner clamping bead; 234, inner bead groove; 235, assembly groove; 240, limiting foot; 241, limiting pin; 250, limiting middle frame; 251, slag discharge port; 260, collection hopper; 300, left support plate; 400, clamping assembly; 410, lower support ∨ frame; 411, support base; 412, vertical support rod; 420, upper pressing ∧ frame; 421, inner gasket; 430, sliding column; 431, side plate; 432, wing nut; 433, auxiliary spring. Detailed implementation manner

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1 - 5 , an embodiment provided by the present invention:

[0026] A positioning device for welding brass tubes, including a mounting base 100, a backing plate 110 is assembled on the top of the mounting base 100, a right support plate 200 and a left support plate 300 are symmetrically assembled on the upper left and right sides above the mounting base 100, clamping assemblies 400 are assembled and supported on the surfaces of the right support plate 200 and the left support plate 300, rotating plate bases 210 are welded to the inner sides of the right support plate 200 and the left support plate 300, a limiting shaft 220 is inserted into the rotating plate base 210, and the limiting shaft 220 is inserted and fixed on the upper part of the backing plate 110. Sliding balls 230 are assembled at the bottoms of the right support plate 200 and the left support plate 300 away from the rotating plate base 210. The clamping assembly 400 includes a lower support ∨ frame 410 and an upper pressing ∧ frame 420. The bottom of the lower support ∨ frame 410 is assembled and supported through a support base 411, and sliding columns 430 are assembled on the side of the upper pressing ∧ frame 420 and the side of the lower support ∨ frame 410;

[0027] More specifically in this embodiment, a limiting middle frame 250 is provided between the right support plate 200 and the left support plate 300, and the limiting middle frame 250 is fixed at the center of the top of the backing plate 110. A collection hopper 260 is assembled and fixed on the upper part of the limiting middle frame 250. Through this design, it is convenient for the limiting support of the inner ends of the right support plate 200 and the left support plate 300, and it is also convenient to collect welding slag during welding;

[0028] More specifically in this embodiment, the outer wall of the collecting hopper 260 is inclined with a wider upper part and a narrower lower part, and a slag discharge port 251 is provided at the rear side of the limiting middle frame 250. With this design, it is convenient to centrally collect welding slag and also convenient to discharge it from the rear side;

[0029] More specifically in this embodiment, an inner card slot 221 corresponding to the limiting shaft 220 is provided at the center of the top of the backing plate 110, and both the cross-sections of the limiting shaft 220 and the inner card slot 221 are hexagonal. An inner screw pin 222 is inserted and assembled inside the limiting shaft 220, and the inner screw pin 222 is threadedly assembled on the inner bottom wall of the inner card slot 221. With this design, it is convenient to limit and assemble the limiting shaft 220 and facilitate the subsequent rotational support;

[0030] More specifically in this embodiment, an auxiliary sleeve 211 corresponding to the limiting shaft 220 is assembled inside the rotating plate seat 210, and a hexagonal through hole is provided inside the auxiliary sleeve 211. The outer wall of the auxiliary sleeve 211 and the inner wall of the rotating plate seat 210 are assembled through an inner bearing 212. With this design, it is convenient to assist the rotation of the rotating plate seat 210 and make the operation and use more convenient;

[0031] More specifically in this embodiment, the sliding ball 230 is composed of two hemispheres and assembled by bolts. The sliding ball 230 is assembled with support feet 232 through an inner shaft pin 231. The two groups of support feet 232 are respectively assembled at the bottoms of the right support plate 200 and the left support plate 300, and an inner snap bead 233 is fixed in the middle of the inner shaft pin 231. Inner bead grooves 234 and assembly grooves 235 corresponding to the inner snap bead 233 and the inner shaft pin 231 are respectively provided inside and on both sides of the sliding ball 230. Limiting feet 240 are fixed on both inner sides of the right support plate 200 and the left support plate 300, and a limiting pin 241 is threadedly inserted inside the limiting feet 240, and the inner end of the limiting pin 241 abuts against the surface of the backing plate 110. With this design, it is convenient to assist the rotational support and limit the positioning of the right support plate 200 and the left support plate 300, making the operation more convenient;

[0032] More specifically in this embodiment, a side plate 431 is integrally provided on the side of the upper pressing ∧ frame 420, and the side plate 431 is sleeved on the upper part of the sliding column 430. The bottom of the sliding column 430 is fixed on the side of the support seat 411, and a wing nut 432 is threadedly sleeved on the upper end of the sliding column 430. With this design, it is convenient to limit and fasten the assembly of the lower supporting ∨ frame 410 and the upper pressing ∧ frame 420;

[0033] More specifically in this embodiment, a vertical support rod 412 is supported between the inner side of the support seat 411 and the outer side wall of the lower supporting ∨ frame 410, and inner gaskets 421 are glued on the inner walls of the lower supporting ∨ frame 410 and the upper pressing ∧ frame 420. An auxiliary spring 433 is sleeved on the surface of the sliding column 430, and the auxiliary spring 433 is located between the side plate 431 and the side of the support seat 411. With this design, it is convenient to assist in clamping and releasing the lower supporting ∨ frame 410 and the upper pressing ∧ frame 420, making the subsequent use more convenient.

[0034] Working principle: When in assembly and use, according to the welding angle requirements of two groups of brass pipes, with the cooperation of the internal screw pin 222 and the auxiliary sleeve 211, through the internal bearing 212, it is convenient to stably support and rotate the rotating plate seat 210. At the same time, through the support and limit of the internal card slot 221, the internal screw pin 222 and the backing plate 110, with the cooperation of the sliding ball 230, it is convenient to rotate the right support plate 200 and the left support plate 300. After adjusting to the appropriate position, through the cooperation of the limit pin 241 and the limit foot 240, it is convenient to limit the right support plate 200 and the left support plate 300, and it is convenient to keep the right support plate 200 and the left support plate 300 stationary. Insert the two groups of brass pipes into the clamping assembly 400 above the right support plate 200 and the left support plate 300 respectively, that is, insert them between the lower support ∨ frame 410 and the upper pressing ∧ frame 420. In the V-shaped setting, through the lower support ∨ frame 410 and the upper pressing ∧ frame 420, it is convenient to stably limit and clamp brass pipes of different specifications and thicknesses. Then, press down the upper pressing ∧ frame 420 to press the pipe tightly, and tighten the butterfly nut 432, so that with the cooperation of the internal gasket 421, it is convenient to clamp stably. Refer to Figure 5 It can be seen that it is convenient for subsequent welding operations. After welding is completed, loosen the butterfly nut 432. Under the elastic force of the auxiliary spring 433, it is convenient to take out the upper pressing ∧ frame 420 upward, and it is convenient to take out the welded brass pipe. The operation ends here.

[0035] The above is only a preferred embodiment of the present invention, and it does not impose any form of limitation on the present invention; any ordinary technician in the industry can smoothly implement the present invention according to the illustrations in the specification and the above description; however, any minor changes, modifications and evolutions made by those familiar with the technology in the scope of the technical solution of the present invention by using the technical content disclosed above are equivalent embodiments of the present invention; at the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A positioning device for welding brass tubes, comprising a mounting base (100), a backing plate (110) is assembled on the top of the mounting base (100), and it is characterized in that: On the upper part of the mounting base (100), a right support plate (200) and a left support plate (300) are symmetrically assembled on the left and right sides. Clamping components (400) are assembled and supported on the surfaces of the right support plate (200) and the left support plate (300); On the inner sides of the right support plate (200) and the left support plate (300), a rotating plate seat (210) is welded. A limiting shaft (220) is inserted into the rotating plate seat (210), and the limiting shaft (220) is inserted and fixed on the upper part of the backing plate (110). On the bottom of the side of the right support plate (200) and the left support plate (300) away from the rotating plate seat (210), sliding balls (230) are assembled; The clamping component (400) consists of a lower support ∨ frame (410) and an upper pressing ∧ frame (420). The bottom of the lower support ∨ frame (410) is assembled and supported through a support seat (411), and sliding columns (430) are assembled on the side of the upper pressing ∧ frame (420) and the side of the lower support ∨ frame (410).

2. The positioning device for welding brass tubes according to claim 1, characterized in that: A limiting middle frame (250) is arranged between the right support plate (200) and the left support plate (300), and the limiting middle frame (250) is fixed at the center of the top of the backing plate (110). A collecting hopper (260) is assembled and fixed on the upper part of the limiting middle frame (250).

3. The positioning device for welding brass tubes according to claim 2, characterized in that: The outer wall of the collecting hopper (260) is inclined with a wider top and a narrower bottom, and a slag discharge port (251) is arranged at the rear of the limiting middle frame (250).

4. The positioning device for welding brass tubes according to claim 1, wherein: An inner card slot (221) corresponding to the limiting shaft (220) is opened at the center of the top of the backing plate (110). The cross-sections of the limiting shaft (220) and the inner card slot (221) are both hexagonal. An inner screw pin (222) is inserted into the limiting shaft (220), and the inner screw pin (222) is threadedly assembled on the inner bottom wall of the inner card slot (221).

5. The positioning device for welding brass tubes according to claim 1, characterized in that: An auxiliary sleeve (211) corresponding to the limiting shaft (220) is assembled in the rotating plate seat (210), and a hexagonal through hole is opened in the auxiliary sleeve (211). The outer wall of the auxiliary sleeve (211) and the inner wall of the rotating plate seat (210) are assembled through an inner bearing (212).

6. The positioning device for welding brass tubes according to claim 1, characterized in that: The sliding ball (230) is composed of two hemispheres and is assembled by bolts. The sliding ball (230) is assembled with a support leg (232) through an inner shaft pin (231). The two groups of support legs (232) are respectively assembled on the bottoms of the right support plate (200) and the left support plate (300). An inner clamping bead (233) is fixed in the middle of the inner shaft pin (231). Inner bead grooves (234) and assembly grooves (235) corresponding to the inner clamping bead (233) and the inner shaft pin (231) are respectively opened inside and on both sides of the sliding ball (230). Limiting feet (240) are fixed on both inner sides of the right support plate (200) and the left support plate (300). A limiting insertion pin (241) is threadedly inserted into the limiting feet (240), and the inner end of the limiting insertion pin (241) abuts against the surface of the backing plate (110).

7. The positioning device for welding brass pipes according to claim 1, wherein: A side plate (431) is integrally provided on the side of the upper pressing ∧ frame (420), and the side plate (431) is sleeved on the upper part of the sliding column (430). The bottom of the sliding column (430) is fixed to the side of the support base (411), and a wing nut (432) is threadedly sleeved on the upper end of the sliding column (430).

8. The positioning device for welding brass tubes according to claim 7, characterized in that: A vertical support rod (412) is supported between the inner side of the support base (411) and the outer wall of the lower supporting ∨ frame (410), and inner gaskets (421) are adhesively attached to the inner walls of both the lower supporting ∨ frame (410) and the upper pressing ∧ frame (420). An auxiliary spring (433) is sleeved on the surface of the sliding column (430). And the auxiliary spring (433) is located between the side plate (431) and the side of the support base (411).

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