Clamping and fixing adaptive tool for small saddle welding machine

Abstract

The utility model discloses a small saddle welding machine clamping and fixing adaptive tool, and relates to the technical field of saddle welding machine tools, the small saddle welding machine clamping and fixing adaptive tool comprises a small saddle welding machine and a saddle pipe, the small saddle welding machine is provided with a three-jaw chuck, the three-jaw chuck is arranged at the bottom of the small saddle welding machine, the three-jaw chuck is an inner support chuck, and the saddle pipe is arranged on the inner support chuck. A clamping tool is connected to the three-jaw chuck, the clamping tool can make contact with the saddle pipe, the small saddle welding machine can smoothly conduct clamping and welding operation by replacing clamping tools of different specifications, the clamping tool is simple in structure and convenient and fast to operate, and the welding efficiency is improved. And the adaptability of the small saddle welding machine to pipe joints with different specifications is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to saddle welding machine frock technical field, concretely is a kind of small saddle welding machine clamping and fixing adaptive frock. BACKGROUND

[0002] Small saddle welding machine is a kind of equipment specially used for welding saddle-shaped weld, and saddle-shaped weld is a kind of special-shaped weld, and it usually appears at the position where two circular or cylindrical workpieces intersect, and this kind of weld is commonly used in occasions where circular or cylindrical components need to be connected, such as pipelines, containers and steel structures.

[0003] In the prior art of small saddle welding machine, the welding machine is usually clamped on the small saddle pipe joint that has completed the backing welding by using the three-jaw chuck on the welding machine. However, the current three-jaw chuck has significant limitations. The three-jaw chuck on the small saddle is only suitable for pipe joints with an inner diameter of less than or equal to 130 mm. When the inner diameter of the pipe joint exceeds 130 mm, the three-jaw chuck on the small saddle welding machine cannot be clamped and fixed to the pipe joint, which severely limits the application of the small saddle welding machine when welding large-diameter pipe joints. If the welding equipment needs to be replaced for pipe joints with a diameter greater than 130 mm, the work efficiency is severely reduced. SUMMARY

[0004] In view of the technical problems in the above background art, the present utility model proposes the following technical solutions:

[0005] A small saddle welding machine clamping and fixing adaptive frock, comprising a small saddle welding machine and a saddle pipe, a three-jaw chuck is provided on the small saddle welding machine, the three-jaw chuck is arranged at the bottom of the small saddle welding machine, the three-jaw chuck is an inner support chuck, a clamping frock is connected to the three-jaw chuck, and the clamping frock can contact the saddle pipe.

[0006] Further, a clamping hole is provided on the clamping frock, the clamping hole on the clamping frock has a fixed diameter, and the clamping hole is used to connect with the three-jaw chuck. In use, the three-jaw chuck is fixedly connected with the clamping frock in the form of inner jaw clamping.

[0007] Further, an embedded inner hole is provided on the clamping frock, the inner wall of the embedded inner hole contacts the outer wall of the saddle pipe, and the central axis of the embedded inner hole is on the same axis as the central axis of the clamping hole.

[0008] Further, the embedded inner hole is provided as an inner cylinder hole, and the inner wall diameter of the inner cylinder hole changes correspondingly according to the outer wall diameter of the saddle pipe.

[0009] Further, the embedded inner hole is arranged as a stepped inner hole, the diameter of the stepped inner hole is determined by the saddle pipe commonly seen on the production line, the inner hole with the smallest diameter in the stepped inner hole is arranged at the end closest to the clamping hole, and the inner hole with the largest diameter in the stepped inner hole is arranged at the end farthest from the clamping hole.

[0010] The beneficial effects of the utility model compared with the prior art are: (1) the device can smoothly clamp and perform welding operation by replacing different specifications of clamping tooling, the clamping tooling structure is simple, operation is convenient, and the adaptability of the small saddle welding machine to different specifications of pipe joints is greatly improved; (2) the device can adopt different schemes according to different situations of batch production or trial production by changing the embedded inner hole state of the clamping tooling, so that the device can be more widely used in actual use. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a whole structure schematic view of the utility model.

[0012] Figure 2 It is a structure schematic view of the embedded inner hole of the utility model as a inner cylinder hole.

[0013] Figure 3 It is a structure schematic view of the embedded inner hole of the utility model as a stepped inner hole.

[0014] The drawings show that: 101 is a small saddle welding machine; 102 is a three-jaw chuck; 103 is clamping tooling; 104 is a saddle pipe. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples, and it should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0016] As shown in the drawings, Figure 1 A small saddle welding machine 101 clamping and fixing adaptive tooling, including a small saddle welding machine 101 and a saddle pipe 104, a controller is arranged on the small saddle welding machine 101, a welding device is further arranged on the small saddle welding machine 101 to weld, a three-jaw chuck 102 is arranged on the small saddle welding machine 101, the three-jaw chuck 102 is arranged at the bottom of the small saddle welding machine 101, the clamping tooling 103 is connected to the three-jaw chuck 102, and the clamping tooling 103 can contact the saddle pipe 104 to fix the position of the small saddle welding machine 101.

[0017] As shown in the drawings, Figure 1As shown, the clamping tool 103 is provided with a clamping hole with a fixed diameter of 100 mm, which is connected with the three-jaw chuck 102. The three-jaw chuck 102 is an inner support chuck, which is fixedly connected with the clamping tool 103 in a clamping manner of the inner jaw. The inner support chuck is expanded radially by a supporting mechanism inside the chuck, contacts the inner wall of the clamping tool 103 and applies pressure, so as to fix the clamping tool 103 with the three-jaw chuck 102. The clamping hole on the clamping tool 103 has a fixed diameter of 100 mm. The clamping holes of different clamping tools 103 have the same diameter. The clamping tool 103 is provided with an embedded inner hole, the inner wall of which contacts the outer wall of the saddle pipe 104. The center axis of the embedded inner hole is on the same axis as the center axis of the clamping hole. The smaller the error between the center axes, the smaller the position error of the small saddle welding machine 101 during welding. When the clamping tool 103 is connected with the small saddle welding machine through the three-jaw chuck 102, the axis of the small saddle welding machine during rotation is aligned with the center axis of the embedded inner hole.

[0018] Embodiment one: as Figure 2 shown, the embedded inner hole is provided as an inner cylinder hole, the inner wall diameter of which changes according to the outer wall diameter of the saddle pipe 104. For example, when the small saddle welding machine 101 is used to weld the saddle pipe 104 with an outer wall diameter of 140 mm, the clamping tool 103 with an embedded inner hole inner wall diameter of 140 mm is required. If the outer wall diameter of the saddle pipe 104 is 160 mm, the clamping tool 103 with an embedded inner hole inner wall diameter of 160 mm is required. The above clamping tools 103 are two different specifications. It is worth noting that no matter how the embedded inner hole inner wall diameter changes, the clamping hole diameter is fixed at 100 mm. When this inner cylinder hole scheme is adopted, it is mostly in the case of batch production, and the corresponding clamping tool 103 is made for a single saddle pipe 104. This can improve the working efficiency of the small saddle welding machine 101 and also ensure the stability of the small saddle welding machine 101 after installation.

[0019] Embodiment two, as Figure 3As shown, the embedded inner hole is provided as a stepped inner hole, the stepped inner hole diameter is determined by the saddle pipe 104 commonly used on the production line, the inner hole with the smallest diameter in the stepped inner hole is provided at the end closest to the clamping hole, and the inner hole with the largest diameter in the stepped inner hole is provided at the end farthest from the clamping hole, the diameter of the embedded inner hole is one hundred and forty millimeters, one hundred and sixty millimeters, one hundred and seventy millimeters, etc. in this example, when this scheme is used, it is necessary to know in advance or visually determine whether the approximate outer diameter of the saddle pipe 104 is all the diameters in the clamping tool 103, after confirming that it can be used, the clamping tool 103 can be directly placed on the saddle pipe 104, after installation is completed, it is also necessary to confirm whether the clamping tool 103 fits the saddle pipe 104, whether the clamping tool 103 will shake or loosen, it should be noted that the clamping tool 103 using the stepped inner hole can also be provided in multiple different models, for example, one hundred and forty millimeters to one hundred and seventy millimeters is one model, one hundred and eighty millimeters to two hundred millimeters is one model, etc. When this stepped inner hole scheme is used, it is generally used in sampling or trial production, the use range of this stepped inner hole has multiple, so the number of tools can be reduced and the use is flexible.

[0020] The above is only a preferred embodiment of the present application, and is not intended to limit the scope of protection of the present application.

Claims

1. A saddle welding machine clamping and fixing adapter tool, comprising a saddle welding machine (101), a saddle pipe (104), characterized in that: The small saddle welding machine (101) is provided with a three-jaw chuck (102), which is arranged at the bottom of the small saddle welding machine (101) and is an inner supporting chuck.

2. The clamping and fixing adapter tool for small saddle welding machine according to claim 1, characterized in that: The clamping tool (103) is connected with the saddle pipe (104).

3. The clamping and fixing adapter tool for small saddle welding machine according to claim 2, characterized in that: The clamping tool (103) is provided with a clamping hole with a fixed diameter, which is used to be connected with the three-jaw chuck (102).

4. The clamping and fixing adapter tool for small saddle welding machine according to claim 3, characterized in that: The clamping tool (103) is provided with an embedded inner hole, the inner wall of which is in contact with the outer wall of the saddle pipe (104), and the central axis of the embedded inner hole is on the same axis as that of the clamping hole.

5. The clamping and fixing adapter tool for small saddle welding machine according to claim 4, characterized in that: The embedded inner hole is an inner cylinder hole, and the diameter of the inner wall of the inner cylinder hole changes according to the diameter of the outer wall of the saddle pipe (104). The embedded inner hole is a stepped inner hole, and the diameter of the stepped inner hole is determined by the common saddle pipe (104) on the production line. The inner hole with the smallest diameter in the stepped inner hole is arranged at one end closest to the clamping hole, and the inner hole with the largest diameter in the stepped inner hole is arranged at one end farthest from the clamping hole.

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