Stainless steel pipe fitting pipe welding device

Abstract

The utility model belongs to the technical field of pipe fittings, and provides a stainless steel pipe fitting pipe welding device which is characterized in that a first water inlet channel and a first water outlet channel are arranged in a first rotating shaft, a first inner cavity is formed in a first rolling wheel, and the first rolling wheel is connected with an external water supply system through a first water inlet pipe and a first water outlet pipe, so that cooling water circulates in the inner cavity of the first rolling wheel; the cooling of the first rolling wheel is realized; similarly, a second water inlet channel and a second water outlet channel are formed in a second rotating shaft, a second inner cavity is formed in a second rolling wheel, and a second water inlet pipe and a second water outlet pipe are connected with an external water supply system, so that cooling water circulates in the inner cavity of the second rolling wheel, and the second rolling wheel is cooled; and mold service life shortening and product size precision reduction caused by heating are avoided.

Description

Technical Field

[0001] This application belongs to the field of pipe fittings technology, and more specifically, relates to a stainless steel pipe fitting welding device. Background Technology

[0002] The existing stainless steel pipe welding mold is solid. When rolling the stainless steel plate, the friction between the upper and lower rolling rollers and the stainless steel plate will generate heat. The heat will have an adverse effect on the life of the stainless steel plate and rolling rollers and the dimensional accuracy of the stainless steel pipe. Utility Model Content

[0003] In order to overcome the above-mentioned shortcomings in the prior art, the purpose of this application is to provide a stainless steel pipe welding device that can cool the rolling roller and avoid shortening the mold life and reducing the dimensional accuracy of the product due to heat generation.

[0004] The technical means adopted in this application to solve the above-mentioned technical problems are:

[0005] This application provides a stainless steel pipe welding apparatus, comprising:

[0006] frame;

[0007] A first rotating shaft is rotatably mounted on the frame, and the first rotating shaft is provided with a first water inlet channel and a first water outlet channel along its long axis.

[0008] The first rolling wheel is mounted on the first rotating shaft and has a first inner cavity, which is connected to the first water inlet channel and the first water outlet channel respectively.

[0009] The second rotating shaft is rotatably mounted on the frame, and the second rotating shaft is provided with a second water inlet channel and a second water outlet channel along its long axis.

[0010] The second rolling wheel is mounted on the second rotating shaft and has a second inner cavity. The second inner cavity is connected to the second water inlet channel and the second water outlet channel, respectively, and the first rolling wheel abuts against the second rolling wheel.

[0011] Preferably, there are two of each of the first water inlet channel, the first water outlet channel, and the first inner cavity, and the first water inlet channel, the first water outlet channel, and the first inner cavity are respectively arranged on both sides of the first rolling wheel.

[0012] Preferably, there are two of each of the second water inlet channel, the second water outlet channel, and the second inner cavity, and the second water inlet channel, the second water outlet channel, and the second inner cavity are respectively arranged on both sides of the second rolling wheel.

[0013] Preferably, the outer peripheral wall of the first rolling wheel has an outwardly protruding first curved surface structure, and the second rolling wheel has an inwardly concave second curved surface structure, with the first and second curved surface structures closely attached.

[0014] Preferably, a first cold water base is provided at one end of the first rotating shaft.

[0015] Preferably, a second cold water base is provided at one end of the second rotating shaft.

[0016] Compared with the prior art, the stainless steel pipe welding device of this application is provided with a first water inlet channel and a first water outlet channel in the first rotating shaft, and a first inner cavity in the first rolling roller. It is connected to an external water supply system through the first water inlet pipe and the first water outlet pipe to realize the circulation of cooling water in the inner cavity of the first rolling roller, thereby cooling the first rolling roller. Similarly, a second water inlet channel and a second water outlet channel are provided in the second rotating shaft, and a second inner cavity is provided in the second rolling roller. It is connected to an external water supply system through the second water inlet pipe and the second water outlet pipe to realize the circulation of cooling water in the inner cavity of the second rolling roller, thereby cooling the second rolling roller and avoiding the shortening of mold life and the decrease in product dimensional accuracy caused by heat generation. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments of this application will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a structural schematic diagram of the stainless steel pipe fitting welding device of this application.

[0019] Figure 2 This is a cross-sectional schematic diagram of the stainless steel pipe fitting welding device of this application.

[0020] Marker explanation:

[0021] 1. Frame; 2. First rotating shaft; 2a. First water inlet channel; 2b. First water outlet channel; 3. First rolling roller; 3a. First inner cavity; 4. Second rotating shaft; 4a. Second water inlet channel; 4b. Second water outlet channel; 5. Second rolling roller; 5a. Second inner cavity; 6. First cold water base; 7. Second cold water base. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, it will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. Many specific details are set forth in the following description to provide a thorough understanding of this utility model; the described embodiments are merely some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0023] It should be noted that, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. Similar reference numerals and letters denote similar items in the following figures; therefore, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0024] like Figures 1-2 As shown, this embodiment provides a stainless steel pipe welding device, including a frame 1, a first rotating shaft 2, a first pressing wheel 3, a second rotating shaft 4, and a second pressing wheel 5. The first rotating shaft 2 is rotatably mounted on the frame 1, and the first rotating shaft 2 is provided with a first water inlet channel 2a and a first water outlet channel 2b along its long axis. The first pressing wheel 3 is mounted on the first rotating shaft 2, and the first pressing wheel 3 is provided with a first inner cavity 3a, which is connected to the first water inlet channel 2a and the first water outlet channel 2b respectively. The second rotating shaft 4 is rotatably mounted on the frame 1, and the second rotating shaft 4 is provided with a second water inlet channel 4a and a second water outlet channel 4b along its long axis. The second pressing wheel 5 is mounted on the second rotating shaft 4, and the second pressing wheel 5 is provided with a second inner cavity 5a, which is connected to the second water inlet channel 4a and the second water outlet channel 4b respectively, and the first pressing wheel 3 abuts against the second pressing wheel 5.

[0025] In some preferred embodiments of this invention, two of each of the first water inlet channel 2a, the first water outlet channel 2b, and the first inner cavity 3a are provided, and the first water inlet channel 2a, the first water outlet channel 2b, and the first inner cavity 3a are respectively arranged on both sides of the first rolling wheel 3. In this way, water can be simultaneously introduced and discharged from both sides, thereby improving cooling efficiency.

[0026] In some preferred embodiments of this invention, two versions of the second water inlet channel 4a, the second water outlet channel 4b, and the second inner cavity 5a are respectively provided, and the second water inlet channel 4a, the second water outlet channel 4b, and the second inner cavity 5a are respectively arranged on both sides of the second rolling roller 5. In this way, water can be simultaneously introduced and discharged from both sides, thereby improving cooling efficiency.

[0027] In some preferred embodiments of this invention, the outer peripheral wall of the first rolling wheel 3 has an outwardly protruding first curved surface structure, and the second rolling wheel 5 has an inwardly concave second curved surface structure, with the first and second curved surface structures in close contact. This increases the contact area and improves efficiency.

[0028] In some preferred embodiments of this utility model, a first cold water base 6 is provided at one end of the first rotating shaft 2.

[0029] In some preferred embodiments of this utility model, a second cold water base 7 is provided at one end of the second rotating shaft 4.

[0030] Compared with the prior art, the stainless steel pipe welding device of this application is provided with a first water inlet channel 2a and a first water outlet channel 2b in the first rotating shaft 2, and a first inner cavity 3a in the first rolling roller 3. It is connected to an external water supply system through the first water inlet pipe and the first water outlet pipe to realize the circulation of cooling water in the inner cavity of the first rolling roller 3, thereby cooling the first rolling roller 3. Similarly, a second water inlet channel 4a and a second water outlet channel 4b are provided in the second rotating shaft 4, and a second inner cavity 5a is provided in the second rolling roller 5. It is connected to an external water supply system through the second water inlet pipe and the second water outlet pipe to realize the circulation of cooling water in the inner cavity of the second rolling roller 5, thereby cooling the second rolling roller 5 and avoiding the shortening of mold life and the decrease in product dimensional accuracy caused by heat generation.

[0031] The above description is merely a specific embodiment of this application and is not intended to limit the scope of protection of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should also be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A stainless steel pipe welding device, characterized in that, include: frame; A first rotating shaft is rotatably mounted on the frame, and the first rotating shaft is provided with a first water inlet channel and a first water outlet channel along its long axis. The first rolling wheel is mounted on the first rotating shaft and has a first inner cavity, which is connected to the first water inlet channel and the first water outlet channel respectively. The second rotating shaft is rotatably mounted on the frame, and the second rotating shaft is provided with a second water inlet channel and a second water outlet channel along its long axis. The second rolling wheel is mounted on the second rotating shaft and has a second inner cavity. The second inner cavity is connected to the second water inlet channel and the second water outlet channel, respectively, and the first rolling wheel abuts against the second rolling wheel.

2. The stainless steel pipe welding device according to claim 1, characterized in that, Two of each of the first water inlet channel, the first water outlet channel, and the first inner cavity are provided, and the first water inlet channel, the first water outlet channel, and the first inner cavity are respectively provided on both sides of the first rolling wheel.

3. The stainless steel pipe welding device according to claim 1, characterized in that, Two of each of the second water inlet channel, the second water outlet channel, and the second inner cavity are provided, and the second water inlet channel, the second water outlet channel, and the second inner cavity are respectively provided on both sides of the second rolling wheel.

4. The stainless steel pipe welding device according to claim 1, characterized in that, The outer peripheral wall of the first rolling wheel has an outwardly protruding first curved surface structure, and the second rolling wheel has an inwardly concave second curved surface structure, with the first and second curved surface structures closely attached.

5. The stainless steel pipe welding device according to claim 1, characterized in that, A first cold water base is provided at one end of the first rotating shaft.

6. The stainless steel pipe welding device according to claim 1, characterized in that, A second cold water base is provided at one end of the second rotating shaft.

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