Portable welding gun

Abstract

The utility model discloses a portable welding gun which comprises a main body and two lock covers, a first bearing table is arranged on each lock cover, a plurality of movable first lock plates are arranged on each lock cover, a first groove is formed in the upper surface of an upper clamping plate, and a second groove is formed in the lower surface of the upper clamping plate. The first locking plates extend into the first grooves to lock the upper clamping plate on the first bearing table, the main body is provided with a second bearing table and a plurality of movable second locking plates, the upper surface of the lower clamping plate is provided with second grooves, and the second grooves are communicated with the second bearing table. The structure that the locking plates are matched with the grooves achieves the self-locking effect through the weight of the pipe clamp, rapid installation of the pipe clamp is achieved, a user can conveniently replace different pipe clamps at any time, the structure is simple, the use is convenient, and the practicability is high. The cooling water cavity is formed in the main body, so that cooling water can be conveniently introduced into the cooling water cavity for cooling.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a portable welding gun. Background Art

[0002] A Chinese patent discloses a sealed pipe-to-pipe welding device (patent number: 2021230197762), including a welding machine body, the welding machine body including a semicircular clamping hole set at its end, an arc-shaped clamping plate rotatably set at a position near the clamping hole on the side of the welding machine body, and two arc-shaped clamping plates are symmetrically arranged on the left and right, and a detachable clamping plate is arranged on the inner side of the clamping hole and the inner side of the arc-shaped clamping plate, and the clamping plates on the same side are spliced ​​into a ring structure. This sealed pipe-to-pipe welding device can adjust its position after positioning the pipeline, which is convenient for squeezing the two pipelines into effective contact and improving the welding quality. At the same time, the connection position of the pipeline and the pipeline can be adjusted to correspond to the tungsten electrode, ensuring that the tungsten electrode effectively welds it, without the need to re-clamp the pipeline, and improving the welding efficiency. A support is provided in the device, and the support supports the pipeline to prevent the end of the pipeline from warping and ensure that the incisions of the pipeline correspond to the pipeline. The technical solution recorded in this Chinese patent has the following problems: it does not have a cooling structure, the temperature is too high, the lock body does not have a quick locking structure, the locking efficiency needs to be improved, it is difficult to observe the welding process, and the replacement of the pipe clamp (splint) is too cumbersome. Utility Model Content

[0003] The main purpose of the utility model is to solve the above-mentioned problems and provide a portable welding gun.

[0004] The technical solution adopted by the utility model is: a portable welding gun, which comprises a main body and two locking covers, one side of the two locking covers can be rotatably hinged on one side of the main body, an upper cover fixed to one of the locking covers is arranged between the two locking covers, the other sides of the two locking covers are connected to the other side of the main body through a buckle lock, and a pipe clamp is arranged between each locking cover and the main body, and the pipe clamp comprises an upper clamp and a lower clamp, a first receiving platform for placing the upper clamp is arranged on the locking cover, a plurality of movable first locking plates are arranged on the locking cover, a first groove for the locking plate to extend into is arranged on the upper surface of the upper clamp, the upper clamp is locked on the first receiving platform by extending the first locking plate into the first groove, the main body is provided with a second receiving platform for placing the lower clamp, a plurality of movable second locking plates are arranged on the main body, a second groove for the second locking plate to extend into is arranged on the upper surface of the lower clamp, the lower clamp is locked on the second receiving platform by extending the second locking plate into the second groove.

[0005] The first locking plate has the same structure as the second locking plate and is an elliptical ring.

[0006] The portable welding gun also includes a rotating structure arranged inside the main body, and the rotating structure includes an open copper ring fixed in the main body, an open outer gear ring rotatably arranged in the main body and contacting the open copper ring, a gear assembly drivingly connected to the outer gear ring, and a motor drivingly connected to the gear assembly.

[0007] One of the lock covers is provided with an observation window.

[0008] The main body includes an upper main board body, a lower main board body, an upper shell and a lower shell. The lower surface of the upper main board body is connected to the upper surface of the lower main board body. The upper shell is installed on the upper surface of the upper main board body, and the lower shell is installed on the lower surface of the lower main board body.

[0009] The upper surface of the upper main board body is provided with a recessed portion, and the recessed portion cooperates with the upper shell to form a cooling water cavity, and the cooling water cavity has two interfaces.

[0010] The beneficial effects of the utility model are as follows: the structure of the lock plate and the groove of the utility model utilizes the weight of the pipe clamp itself to achieve a self-locking effect, realizes the rapid installation of the pipe clamp, and is convenient for users to replace different pipe clamps at any time. The main body of the utility model is provided with a cooling water cavity, which is convenient for introducing cooling water into the cooling water cavity to achieve a cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 , Figure 2 It is a three-dimensional schematic diagram of the utility model at different angles.

[0012] Figure 3 for Figure 1 Schematic diagram after removing the pipe clamp.

[0013] Figure 4 It is a schematic diagram of the cooperation between the rotating structure and the main body of the utility model. DETAILED DESCRIPTION

[0014] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0015] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0017] like Figures 1 to 4 The figure shows a portable welding gun provided by the utility model, which includes a main body 10 and two locking covers 20, one side of the two locking covers 20 can be rotatably hinged on one side of the main body 10, an upper cover A fixed to one of the locking covers 20 is arranged between the two locking covers 20, and the upper cover rotates following the locking cover 20 fixed thereto, and the other sides of the two locking covers 20 are connected to the other side of the main body 10 through a buckle lock 40, and the locking cover 20 and the main body 10 are formed into an open state or a locked state through the locking and opening of the buckle lock 40, and a pipe clamp 30 is arranged between each locking cover 20 and the main body 10, and the pipe clamp 30 includes an upper clamping plate 31 and a lower clamping plate 32, and a first receiving platform 21 for placing the upper clamping plate 31 is arranged on the locking cover 20, and a plurality of movable first locking plates 51 are arranged on the locking cover 20, and the upper surface of the upper clamping plate 31 is provided with a clamp for the locking plate The first locking plate 51 extends into the first groove 311, and the upper clamping plate 31 is locked on the first receiving platform 21 by extending the first locking plate 51 into the first groove 311. Similarly, the main body 10 is provided with a second receiving platform 11 for placing the lower clamping plate 32. The main body 10 is provided with a plurality of movable second locking plates 52. The upper surface of the lower clamping plate 32 is provided with a second groove 321 for the second locking plate 52 to extend into. The lower clamping plate 32 is locked on the second receiving platform 11 by extending the second locking plate 52 into the second groove 321. The first locking plate 51 and the second locking plate 52 have the same structure and are elliptical rings. The elliptical rings are installed in the corresponding positions by bolts. The bolts are not shown in the figure. Through the structure of the locking plate and the groove, the weight of the pipe clamp itself is used to achieve a self-locking effect, thereby realizing the rapid installation of the pipe clamp and making it convenient for users to replace different pipe clamps at any time.

[0018] It is worth mentioning that a portable welding gun also includes a rotating structure 60 arranged inside the main body 10, and the rotating structure 60 includes an open copper ring 61 fixed in the main body 10, an open outer toothed ring 62 rotatably arranged in the main body 10 and in contact with the open copper ring 61, a gear assembly 63 transmission-connected to the outer toothed ring, and a motor 64 transmission-connected to the gear assembly 63. The gear assembly 63 is transmission-connected to the outer toothed ring 62 and the motor 64, which is a common means of the technology in this field. Those skilled in the art know how to drive the gear group to drive the outer toothed ring 62 to rotate by reasonably arranging the gears. The copper ring is used for conduction, and the black needle is installed on the outer toothed ring 62. The outer toothed ring is provided with a plurality of through holes for blowing or installing the black needle.

[0019] One of the locking covers 20 is provided with an observation window B, which is convenient for the user to observe the welding process of the pipe fitting.

[0020] The main body 10 includes an upper main board body 101, a lower main board body 102, an upper shell 103 and a lower shell 104. The lower surface of the upper main board body 101 is connected to the upper surface of the lower main board body 102. The upper shell 103 is installed on the upper surface of the upper main board body 101, and the lower shell 103 is installed on the lower surface of the lower main board body 10. The upper surface of the upper main board body 101 is provided with a recess C, and the recess C cooperates with the upper shell 103 to form a cooling water chamber. The cooling water chamber has two interfaces to facilitate the introduction of cooling water into the cooling water chamber to form a circulating water cooling effect.

[0021] What the utility model aims to achieve is that the structure of the lock plate and the groove of the utility model utilizes the weight of the pipe clamp itself to achieve a self-locking effect, realizes the rapid installation of the pipe clamp, and is convenient for users to replace different pipe clamps at any time. The main body of the utility model is provided with a cooling water cavity, which is convenient for introducing cooling water into the cooling water cavity to achieve a cooling effect.

[0022] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A portable welding gun, comprising a main body and two locking covers, one side of each of the two locking covers can be rotatably hinged on one side of the main body, an upper cover fixed to one of the locking covers is arranged between the two locking covers, the other sides of the two locking covers are connected to the other side of the main body through a buckle lock, a pipe clamp is arranged between each locking cover and the main body, and the pipe clamp includes an upper clamping plate and a lower clamping plate, characterized in that: The lock cover is provided with a first receiving platform for placing the upper clamping plate, the lock cover is provided with a plurality of movable first locking plates, the upper surface of the upper clamping plate is provided with a first groove for the locking plate to extend into, and the upper clamping plate is locked on the first receiving platform by the first locking plate extending into the first groove, the main body is provided with a second receiving platform for placing the lower clamping plate, the main body is provided with a plurality of movable second locking plates, the upper surface of the lower clamping plate is provided with a second groove for the second locking plate to extend into, and the lower clamping plate is locked on the second receiving platform by the second locking plate extending into the second groove.

2. A portable welding gun as claimed in claim 1, characterized in that: The first locking plate has the same structure as the second locking plate and is an elliptical ring.

3. A portable welding gun as claimed in claim 1, characterized in that: The portable welding gun also includes a rotating structure arranged inside the main body, and the rotating structure includes an open copper ring fixed in the main body, an open outer gear ring rotatably arranged in the main body and contacting the open copper ring, a gear assembly drivingly connected to the outer gear ring, and a motor drivingly connected to the gear assembly.

4. A portable welding gun as claimed in claim 3, characterized in that: One of the lock covers is provided with an observation window.

5. A portable welding gun as claimed in claim 1, characterized in that: The main body includes an upper main board body, a lower main board body, an upper shell and a lower shell. The lower surface of the upper main board body is connected to the upper surface of the lower main board body. The upper shell is installed on the upper surface of the upper main board body, and the lower shell is installed on the lower surface of the lower main board body.

6. A portable welding gun as claimed in claim 5, characterized in that: The upper surface of the upper main board body is provided with a recessed portion, and the recessed portion cooperates with the upper shell to form a cooling water cavity, and the cooling water cavity has two interfaces.

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