Automatic annealing device for stainless steel pipe

Abstract

The utility model discloses an automatic annealing device for a stainless steel pipe, and belongs to the technical field of steel pipe annealing equipment. The structure comprises a fixed rack, a transmission assembly, a heating furnace, a traction assembly, a smoke exhaust preheating assembly and a clamping plate. According to the device, in the annealing process of the stainless steel pipe, the stainless steel pipe to be machined can be automatically treated through cooperative work of the transmission assembly, the heating furnace and the traction assembly, so that the working procedure consumption time is shortened; meanwhile, in the machining process of the stainless steel pipe, the stainless steel pipe is limited through the clamping plate 11, the machining quality of the stainless steel pipe can be improved, the situation that part of flaws appear on the machined surface of the stainless steel pipe is avoided as much as possible, and the production cost is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe annealing equipment, in particular to an automatic annealing device for stainless steel pipes. Background Art

[0002] During the production and processing of stainless steel pipes, they usually need to be annealed. The annealing process mainly involves placing the stainless steel pipe in a heating furnace and heating it through the heating source of the heating furnace (such as gas, resistance wire, etc.) to evenly heat the metal material to the required annealing temperature; then keep it at the annealing temperature for a period of time to eliminate the stress and grain size inside the material; after annealing is completed, it is cooled.

[0003] Due to the different sizes and specifications of stainless steel pipes, they are often not firmly fixed during the annealing process, which leads to defects in the stainless steel pipe body during the actual processing. Some of the defective stainless steel pipes need to be processed again, which increases the actual processing cost. Utility Model Content

[0004] The utility model aims to provide an automatic annealing device for stainless steel pipes to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A stainless steel pipe automatic annealing device comprises a fixed frame, a transmission assembly, a heating furnace, a traction assembly, a smoke exhaust preheating assembly and a clamping plate, wherein a dustproof plate is arranged at the bottom of the fixed frame, a driving motor is arranged inside the dustproof plate, a workbench is arranged above the fixed frame, a clamping plate is arranged at the rightmost position of the workbench, a limiting sleeve is arranged at the left side of the clamping plate, a traction assembly is arranged at the left side of the limiting sleeve, a heating furnace is arranged at the left side of the traction assembly, a smoke exhaust preheating assembly is arranged at the rear side of the heating furnace, a fixed frame is arranged at the left side of the heating furnace, a transmission assembly is arranged at the left side of the fixed frame, and the transmission assembly is arranged in coordination with the driving motor below.

[0007] As a further solution of the utility model: the heating furnace includes a transition interface, a limiting ring shaft, an annealing and combustion chamber, a preheating connecting hole and a pipe clamping sleeve, the pipe clamping sleeve is arranged at the rightmost position of the heating furnace, the pipe clamping sleeve cooperates with the traction assembly, the annealing and combustion chamber is arranged on the left side of the pipe clamping sleeve, a plurality of evenly distributed burners are arranged inside the annealing and combustion chamber, a plurality of preheating connecting holes distributed in an array are arranged on the outer side of the annealing and combustion chamber, a limiting ring shaft is arranged on the left side of the annealing and combustion chamber, a transition interface is arranged on the left side of the limiting ring shaft, and the left side of the transition interface cooperates with the transmission assembly.

[0008] As a further solution of the utility model: a connecting pipe is provided on the smoke exhaust preheating assembly, and the preheating connecting hole is connected to the connecting pipe on the smoke exhaust preheating assembly.

[0009] As a further solution of the utility model: the clamping plate includes a mounting plate, an upper clamping block, a lower clamping block and a self-locking bearing. The mounting plate is fixedly set on the workbench, and an upper clamping block and a lower clamping block are cooperatively arranged on the mounting plate. A groove is arranged between the upper clamping block and the lower clamping block, and a self-locking bearing is arranged at the front side of the upper clamping block.

[0010] As a further solution of the utility model: a preheater and a fan are arranged in the smoke exhaust preheating component, and a cooling component is arranged inside the fan.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: during the annealing process of the stainless steel pipe, the device can automatically process the stainless steel pipe to be processed through the coordinated work of the transmission component-heating furnace-traction component, thereby reducing the process time consumption; at the same time, during the processing of the stainless steel pipe, the clamping plate 11 is used to limit the stainless steel pipe, which can improve its processing quality, avoid partial defects on the processing surface of the stainless steel pipe as much as possible, and effectively reduce the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0013] Figure 2 This is a structural diagram of the components of the heating furnace of the utility model;

[0014] Figure 3 This is a component structure diagram of the clamping plate of the utility model.

[0015] In the figure: 1. fixed frame; 2. dustproof plate; 3. driving motor; 4. workbench; 5. transmission assembly; 6. fixed frame; 7. heating furnace; 8. traction assembly; 9. smoke exhaust preheating assembly; 10. limiting sleeve; 11. clamping plate; 101. transition interface; 102. limiting ring shaft; 103. annealing combustion chamber; 104. preheating connecting hole; 105. pipe clamping sleeve; 201. mounting plate; 202. upper clamping block; 203. lower clamping block; 204. self-locking bearing. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Example 1

[0018] See also Figure 1-3 The present embodiment provides an automatic annealing device for stainless steel pipes, comprising a fixed frame 1, a transmission assembly 5, a heating furnace 7, a traction assembly 8, a smoke exhaust preheating assembly 9 and a clamping plate 11. A dustproof plate 2 is arranged at the bottom of the fixed frame 1, and a driving motor 3 is arranged inside the dustproof plate 2. A workbench 4 is arranged above the fixed frame 1, and a clamping plate 11 is arranged at the rightmost position of the workbench 4. A limiting sleeve 10 is arranged at the left side of the clamping plate 11, and a traction assembly 8 is arranged at the left side of the limiting sleeve 10. A heating furnace 7 is arranged at the left side of the traction assembly 8, and a smoke exhaust preheating assembly 9 is arranged at the rear side of the heating furnace 7. A fixed frame 6 is arranged at the left side of the heating furnace 7, and a transmission assembly 5 is arranged at the left side of the fixed frame 6. The transmission assembly 5 is arranged in coordination with the driving motor 3 below. During the processing of the stainless steel pipe, the device transports the stainless steel pipe to be processed to the inside of the heating furnace 7 through the traction component 8 and the transmission component 5, and then processes it; during the processing of the stainless steel pipe, the clamping plate 11 performs secondary fixing and limiting on it, thereby effectively improving the device during operation, and the stainless steel pipe body will not be displaced, thereby effectively improving the annealing efficiency and processing quality of the device.

[0019] Further, the heating furnace 7 includes a transition interface 101, a limiting ring shaft 102, an annealing combustion chamber 103, a preheating connection hole 104 and a pipe clamping sleeve 105, wherein the pipe clamping sleeve 105 is arranged at the rightmost position of the heating furnace 7, and the pipe clamping sleeve 105 cooperates with the traction assembly 8, and the annealing combustion chamber 103 is arranged at the left side of the pipe clamping sleeve 105, and a plurality of evenly distributed burners are arranged inside the annealing combustion chamber 103, and a plurality of array-distributed preheating connection holes 104 are arranged on the outer side of the annealing combustion chamber 103, and a limiting ring shaft 102 is arranged at the left side of the annealing combustion chamber 103, and a transition interface 101 is arranged at the left side of the limiting ring shaft 102, and the left side of the transition interface 101 cooperates with the transmission assembly 5. Before the pipeline is subjected to the annealing process, the burners arranged inside the heating furnace 7 can make the heat flow reciprocate in the furnace, thereby ensuring the uniformity of the furnace temperature.

[0020] Furthermore, the smoke exhaust preheating component 9 is provided with a connecting pipe, and the preheating connecting hole 104 is connected to the connecting pipe on the smoke exhaust preheating component 9 .

[0021] Furthermore, the clamping plate 11 includes a mounting plate 201, an upper clamping block 202, a lower clamping block 203 and a self-locking bearing 204. The mounting plate 201 is fixedly arranged on the workbench 4. The mounting plate 201 is provided with an upper clamping block 202 and a lower clamping block 203. A groove is provided between the upper clamping block 202 and the lower clamping block 203. A self-locking bearing 204 is provided at the front side of the upper clamping block 202. During the processing of the stainless steel pipe, the clamping plate 11 is used to fix it, and the upper clamping block 202 and the lower clamping block 203 can limit and fix it, so as to ensure that the stainless steel pipe body will not be displaced during the processing, thereby effectively improving the annealing efficiency and processing quality of the device.

[0022] Furthermore, the exhaust preheating assembly 9 is provided with a preheater and a fan, and a cooling assembly is provided inside the fan. When the smoke in the heating furnace 7 passes through the preheater, cold air is sent in by the fan for preheating, and then sent to the burner through the pipeline for combustion support.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0024] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic annealing device for stainless steel pipes, characterized in that: The invention comprises a fixed frame (1), a transmission component (5), a heating furnace (7), a traction component (8), a smoke exhaust preheating component (9) and a clamping plate (11); a dustproof plate (2) is arranged at the bottom of the fixed frame (1); a driving motor (3) is arranged inside the dustproof plate (2); a workbench (4) is arranged above the fixed frame (1); a clamping plate (11) is arranged at the rightmost position of the workbench (4); a limiting shaft sleeve (10) is arranged at the left side of the clamping plate (11); a traction component (8) is arranged at the left side of the limiting shaft sleeve (10); a heating furnace (7) is arranged at the left side of the traction component (8); a smoke exhaust preheating component (9) is arranged at the rear side of the heating furnace (7); a fixed frame (6) is arranged at the left side of the heating furnace (7); a transmission component (5) is arranged at the left side of the fixed frame (6); and the transmission component (5) is arranged in coordination with the driving motor (3) at the bottom.

2. The automatic annealing device for stainless steel pipe according to claim 1, characterized in that: The heating furnace (7) comprises a transition interface (101), a limiting ring shaft (102), an annealing and burning chamber (103), a preheating connection hole (104) and a pipe clamping sleeve (105). The pipe clamping sleeve (105) is arranged at the rightmost position of the heating furnace (7). The pipe clamping sleeve (105) cooperates with the traction component (8). The annealing and burning chamber (103) is arranged at the left side of the pipe clamping sleeve (105). A plurality of evenly distributed burners are arranged inside the annealing and burning chamber (103). A plurality of array-distributed preheating connection holes (104) are arranged on the outer side of the annealing and burning chamber (103). The limiting ring shaft (102) is arranged at the left side of the annealing and burning chamber (103). The transition interface (101) is arranged at the left side of the limiting ring shaft (102). The left side of the transition interface (101) cooperates with the transmission component (5).

3. The automatic annealing device for stainless steel pipe according to claim 2, characterized in that: The smoke exhaust preheating component (9) is provided with a connecting pipe, and the preheating connecting hole (104) is connected to the connecting pipe on the smoke exhaust preheating component (9).

4. The automatic annealing device for stainless steel pipe according to claim 1, characterized in that: The clamping plate (11) comprises a mounting plate (201), an upper clamping block (202), a lower clamping block (203) and a self-locking bearing (204); the mounting plate (201) is fixedly arranged on a workbench (4); an upper clamping block (202) and a lower clamping block (203) are arranged on the mounting plate (201); a groove is arranged between the upper clamping block (202) and the lower clamping block (203); and a self-locking bearing (204) is arranged at the front side of the upper clamping block (202).

5. The automatic annealing device for stainless steel pipe according to claim 1, characterized in that: The smoke exhaust preheating component (9) is provided with a preheater and a fan, and a cooling component is provided inside the fan.

Images