expansion line

Abstract

The present application provides an expanding pipeline, comprising a transport track, a transfer trolley and a processing assembly, the transport track comprises at least two fixed tracks and a rotating track, the rotating track is located between the fixed tracks; the transfer trolley is used for transferring an inner core assembly, the transfer trolley is arranged on the transport track; and the processing assembly is arranged on one side of the transport track and is used for processing the inner core assembly, and the processing assemblies are connected through the transport track. The expanding pipeline provided by the present application can move the transfer trolley to one side of the processing assembly on the transport track, so that the inner core assembly is processed by the processing assembly, the transfer trolley can transfer the inner core assembly, so that the inner core assembly can be moved to the processing assembly for processing, and the expanding operation can be realized in a flow production mode, and the connection efficiency of each process of the shell and tube heat exchanger tube plate expansion is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heat exchanger processing, in particular to an expander pipeline. BACKGROUND

[0002] In the refrigeration industry, the automation degree of production and processing of parts is getting higher and higher. The tube plate expansion of shell and tube heat exchanger is gradually changed from traditional manual expansion to robot expansion with higher efficiency and more stable quality. However, for the processing of shell and tube heat exchanger, it needs tube storage, tube penetration, tube plate expansion and inner core transfer, and due to the large size of shell and tube heat exchanger, it is difficult to realize the transfer of inner core and robot expansion by directly using the conveying belt pipeline transportation mode. SUMMARY

[0003] The purpose of the present application is to provide an expander pipeline to solve the technical problem that the conveying belt transportation mode is difficult to realize the transfer of inner core and robot expansion in the prior art.

[0004] To achieve the above purpose, the technical scheme adopted by the present application is to provide an expander pipeline, which comprises a transportation track, a transfer trolley and a processing assembly. The transportation track comprises at least two fixed tracks and a rotating track, and the rotating track is located between the fixed tracks. The transfer trolley is used for transferring an inner core assembly, and is arranged on the transportation track. The processing assembly is arranged on one side of the transportation track and is used for processing the inner core assembly, and the processing assemblies are connected in series through the transportation track.

[0005] Further, the processing assembly comprises a pipe penetrating mechanism and an expander mechanism.

[0006] Further, the pipe penetrating mechanism comprises a pipe storage vehicle and a pipe penetrating station, and the pipe penetrating station is located on one side of the pipe storage vehicle.

[0007] Further, the pipe storage vehicle comprises a fixed seat, a fixed support rod arranged vertically to the fixed seat, and a storage rod fixed to the side edge of the fixed support rod, and the storage rod and the fixed support rod have an included angle therebetween.

[0008] Further, the bottom of the fixed seat is further provided with a roller.

[0009] Further, the expander mechanism comprises a base, an expander robot arranged on the base, and an expander fixing frame connecting the base and the transportation track.

[0010] Furthermore, the expansion tube fixing frame includes: a first fixing plate fixedly connected to the base; a second fixing plate fixedly connected to the transport track; a third fixing plate for fixedly connecting to the transfer trolley; and a column connecting the third fixing plate and the second fixing plate.

[0011] Furthermore, the transport track also includes a control box for controlling the rotation of the rotating track, the control box being fixed to one side of the fixed track.

[0012] Furthermore, the rotating track is provided with a first track section, and the fixed track is provided with a second track section, and the first track section and the second track section are connected.

[0013] Furthermore, the transfer trolley includes a support and fixing component for fixing the inner core component, a moving component for moving the support component, and a rotating component for rotating the support and fixing component.

[0014] Furthermore, the moving component includes a base plate and sliding wheels disposed on the lower part of the base plate.

[0015] Furthermore, the sliding wheel is located inside the first track section or the second track section.

[0016] The beneficial effects of the tube expansion assembly line provided by this invention are as follows: Compared with the prior art, in this tube expansion assembly line, the transfer trolley can move to one side of the processing component on the transport track, thereby processing the inner core component through the processing component. The fixed track and the rotating track are connected, and the rotating track can realize the transfer between multiple fixed tracks, thereby driving the transfer trolley located on the rotating component to rotate relative to each other. The transfer trolley can transfer the inner core component, so that the inner core component can be moved to the processing component for processing. This enables the tube expansion operation to be carried out in an assembly line manner, improving the connection efficiency of each process of tube and tube sheet expansion in shell and tube heat exchangers. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional structural schematic diagram of the tube expansion assembly line provided in an embodiment of the present invention;

[0019] Figure 2 for Figure 1 A three-dimensional structural diagram of the tube expansion mechanism used;

[0020] Figure 3 A perspective view of the pipe storage vehicle used in the embodiment of the present application;

[0021] Figure 4 A perspective view of the pipe expansion process of the pipe expansion line provided in the embodiment of the present application;

[0022] Figure 5 A perspective view of the pipe storage vehicle used in the embodiment of the present application; Figure 4 A perspective view of the pipe storage vehicle used in the embodiment of the present application;

[0023] Figure 6 A perspective view of the rotating track used in the embodiment of the present application;

[0024] Figure 7 A perspective view of the fixed track used in the embodiment of the present application;

[0025] Figure 8 A perspective view of the transfer trolley used in the embodiment of the present application.

[0026] Explanation of reference signs:

[0027] 1, inner core assembly; 2, transport track; 3, transfer trolley; 4, machining assembly; 11, pipe plate; 12, baffle plate assembly; 13, pipe; 21, fixed track; 22, rotating track; 23, control box; 211, second track part; 212, second support plate; 221, first track part; 222, first support plate; 31, support fixing assembly; 32, rotating assembly; 33, moving assembly; 331, bottom plate; 332, sliding wheel; 333, guide rail; 334, sliding plate; 335, fixed block; 41, pipe penetrating mechanism; 42, pipe expansion mechanism; 411, pipe storage vehicle; 412, pipe penetrating station; 4111, fixing seat; 4112, fixing support rod; 4113, storage rod; 4114, roller; 421, base; 422, pipe expansion robot; 423, pipe expansion fixing frame; 4231, first fixing plate; 4232, second fixing plate; 4233, third fixing plate; 4234, fourth fixing plate; 4235, fifth fixing plate; 4236, stand column; 4237, sliding plate; 4238, rib plate. DETAILED DESCRIPTION

[0028] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0029] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] In addition, the technical features involved in the different embodiments of the application described below can be combined with each other as long as there is no conflict.

[0032] Please refer to Figure 1 , the expansion pipe assembly line provided by the present application will be described. The expansion pipe assembly line comprises a transportation track 2, a transfer trolley 3 and a machining assembly 4. The transportation track 2 comprises at least two fixed tracks 21 and a rotating track 22, and the rotating track 22 is located between the fixed tracks 21. The transfer trolley 3 is used for transferring the inner core assembly 1, and is arranged on the transportation track 2. The machining assembly 4 is arranged on one side of the transportation track 2 and is used for machining the inner core assembly 1, and the machining assemblies 4 are connected in communication through the transportation track 2.

[0033] Compared with the prior art, the transfer trolley 3 can move to one side of the machining assembly 4 on the transportation track 2, so that the inner core assembly 1 can be machined by the machining assembly 4. The fixed tracks 21 and the rotating track 22 are connected in communication, the rotating track 22 can realize the switching between the plurality of fixed tracks 21, drive the relative rotation of the transfer trolley 3 located on the rotating assembly 32, and the transfer trolley 3 can transfer the inner core assembly 1, so that the inner core assembly 1 can be moved to the machining assembly 4 for machining. The expansion pipe operation can be realized in a flow production manner, and the connection efficiency of each process of the shell and tube heat exchanger pipe 13 and the tube plate 11 expansion joint can be improved.

[0034] Specifically, the inner core assembly 1 comprises a tube plate 11, a baffle plate assembly 12 and a tube 13, the tube plate 11 is fixed at the end of the baffle plate assembly 12, the tube 13 is inserted on the baffle plate assembly 12, the tube plate 11 is fixed on the transfer trolley 3, so that the whole inner core assembly 1 is transported through the transfer trolley 3, and the transfer trolley 3 can move on the transportation track 2. The processing assembly 4 is a plurality of assemblies capable of processing the inner core assembly 1, which comprises pipe penetrating, pipe expanding and storage, etc., and the processing assembly 4 is located on one side of the transportation track 2.

[0035] The transportation track 2 comprises a plurality of fixed tracks 21 and a plurality of rotating tracks 22, the plurality of fixed tracks 21 are arranged in a crisscross manner, and the rotating track 22 is located at the connection of the fixed tracks 21 in two different directions. When the transfer trolley 3 is located on the rotating track 22, the rotating track 22 is rotated, so that the transfer trolley 3 can be driven to the fixed track 21 in another direction, thereby achieving the purpose of turning.

[0036] Further, please refer to Figure 1 , as a specific embodiment of the pipe expanding assembly provided by the application, the processing assembly 4 comprises a pipe penetrating mechanism 41 and a pipe expanding mechanism 42. Specifically, the pipe penetrating mechanism 41 is used for inserting the tube 13 into the baffle plate assembly 12, which can adopt manual pipe insertion or use a special pipe insertion device for pipe insertion, both of which are prior art. For the pipe expanding mechanism 42, a certain pressure is generated on the tube 13 by a pipe expander, so that the diameter of the tube 13 is expanded, thereby eliminating or reducing the gap between the tube 13 and the tube plate 11. The pipe expanding mechanism 42 can be a pipe expanding robot or a pipe expanding special machine, which can also be prior art.

[0037] Further, please refer to Figure 1 and Figure 3 , as a specific embodiment of the pipe expanding assembly provided by the application, the pipe penetrating mechanism 41 comprises a tube storage vehicle 411 and a pipe penetrating station 412, and the pipe penetrating station 412 is located on one side of the tube storage vehicle 411. Specifically, the tube storage vehicle 411 is used for storing a plurality of tubes 13 of different specifications, and the shape of the tube 13 is generally a U-shaped tube, which can be directly hung on the tube storage vehicle 411. The pipe penetrating station 412 refers to the position of the transfer trolley 3 during pipe penetrating, and the pipe penetrating station 412 is located on one side of the tube storage vehicle 411 to facilitate pipe penetrating operation. The pipe penetrating operation can be manual operation or robot operation, and the human or robot can be located between the pipe penetrating station 412 and the tube storage vehicle 411.

[0038] Further, refer to Figure 1 and Figure 3As a specific embodiment of the pipe expanding assembly line provided by the present application, the pipe storage vehicle 411 comprises a fixing base 4111, a fixing support 4112 arranged perpendicularly to the fixing base 4111, and a storage rod 4113 fixed to the side of the fixing support 4112, and the storage rod 4113 and the fixing support 4112 form an included angle. Specifically, the fixing support 4112 and the fixing base 4111 can be a complete plate body or a planar plate formed by a plurality of connecting rods, the fixing base 4111 is arranged perpendicularly to the fixing support 4112, and the fixing base 4111 is used to support the fixing support 4112. The pipe 13 can be directly hung on the storage rod 4113, and a plurality of pipes 13 can be placed along the length direction of the storage rod 4113 in sequence. The storage rod 4113 should be arranged perpendicularly to the fixing support 4112 and inclined upward, so as to ensure the stability of the pipe 13.

[0039] Further, referring to Figure 1 and Figure 3 As a specific embodiment of the pipe expanding assembly line provided by the present application, the bottom of the fixing base 4111 is further provided with a roller 4114. The roller 4114 arranged at the bottom of the pipe storage vehicle 411 can facilitate the movement of the entire pipe storage vehicle 411. The roller 4114 is directly arranged on the ground, and the position of the pipe storage vehicle 411 can be adjusted according to actual needs. In this way, the adjustability of the entire pipe expanding assembly line is stronger.

[0040] Further, referring to Figures 1 to 5 As a specific embodiment of the pipe expanding assembly line provided by the present application, the pipe expanding mechanism 42 comprises a base 421, a pipe expanding robot 422 arranged on the base 421, and a pipe expanding fixing frame 423 connecting the base 421 and the transportation track 2. Specifically, the pipe expanding robot 422 is a prior art, the pipe expanding robot 422 is directly arranged on the base 421, and the base 421 and the transportation track 2 are connected through the pipe expanding fixing frame 423. The pipe expanding fixing frame 423 can ensure that the position between the pipe expanding robot 422 and the transportation track 2 remains unchanged, thereby ensuring the distance between the pipe expanding robot 422 and the transfer trolley 3. The pipe expanding fixing frame 423 can be a connecting plate directly and fixedly connected with the base 421 and the transportation track 2, or a connecting plate simultaneously fixing the base 421 and the transportation track 2 to the same fixing member, which is not limited herein.

[0041] Specifically, the same pipe expanding robot 422 can simultaneously process a plurality of inner core assemblies 1, that is, the transfer trolleys 3 can be placed on the transportation tracks 2 around the base 421, so that the pipe expanding robot 422 can process them in sequence, thereby greatly saving the entire processing time.

[0042] Further, refer to Figures 1 to 5 As a specific embodiment of the tube expanding pipeline provided by the present application, the tube expanding fixture 423 comprises a first fixing plate 4231 fixedly connected with the base 421, a second fixing plate 4232 fixedly connected with the conveying track 2, a third fixing plate 4233 for fixedly connecting with the transfer trolley 3, and a stand 4236 connecting the third fixing plate 4233 and the second fixing plate 4232. Specifically, the tube expanding fixture 423 can simultaneously connect the base 421, the conveying track 2 and the transfer trolley 3, so as to ensure the position relationship between the tube expanding robot 422 and the inner core assembly 1, ensure the accuracy of the tube expanding position, and ensure that the transfer trolley 3 does not move during the tube expanding process, thereby ensuring the stability and accuracy of the tube expanding operation.

[0043] The first fixing plate 4231 and the second fixing plate 4232 can be fixedly connected with the conveying track 2 or the base 421 by means of bolts or studs, and the second fixing plate 4232 is preferably fixed on an adjustable foot seat at the bottom of the fixed track 21, and the second fixing plate 4232 is provided with a fixing hole for the adjustable foot seat to pass through. The stand 4236 is vertically arranged on the third fixing plate 4233, and the third fixing plate 4233 is fixedly connected with the support fixing assembly 31 of the transfer trolley 3 for fixing the inner core assembly 1, so as to ensure the position relationship between the inner core assembly 1 and the tube expanding robot 422. A rib plate 4238 can also be arranged on the side of the stand 4236 away from the conveying track 2, so as to assist in supporting the stand 4236 through the rib plate 4238, thereby ensuring the stability of the stand 4236.

[0044] Preferably, a fourth fixing plate 4234 and a fifth fixing plate 4235 can also be arranged between the first fixing plate 4231 and the second fixing plate 4232, and the fourth fixing plate 4234 is fixedly connected with the first fixing plate 4231, and the fifth fixing plate 4235 is fixedly connected with the second fixing plate 4232. The first fixing plate 4231 is arranged on the upper surface of the base 421, and the side surface of the first fixing plate 4231 is fixedly connected with the fourth fixing plate 4234, and the fourth fixing plate 4234 is provided with a waist-shaped hole for fixedly connecting with the first fixing plate 4231, so as to conveniently adjust the position of the first fixing plate 4231. The second fixing plate 4232 is fixedly connected with the fifth fixing plate 4235, and the fifth fixing plate 4235 is provided with a waist-shaped hole for fixedly connecting with the second fixing plate 4232, so as to conveniently adjust the position of the second fixing plate 4232. Of course, according to actual conditions and specific requirements, the stand 4236 can also be arranged on the fourth fixing plate 4234 or the fifth fixing plate 4235 in other embodiments of the present application, which is not limited herein.

[0045] Preferably, a sliding plate 4237 is further arranged at the joint between the column 4236 and the second fixing plate 4232, and the column 4236 can be fixedly slid on the sliding plate 4237, so that the height of the third fixing plate 4233 can be adjusted as required. That is, a sliding groove for the column 4236 to slide is arranged on the sliding plate 4237, and a plurality of fixing holes are arranged in the sliding groove and on the column 4236, and the height of the column 4236 can be adjusted by adjusting the positions of the fixing holes. Of course, according to actual conditions and specific requirements, in other embodiments of the present application, the sliding plate 4237 can also be a linear driving member such as a linear motor or a pneumatic cylinder, so as to drive the column 4236 to realize lifting and height adjustment, which is not uniquely limited here.

[0046] Further, referring to Figure 1 , as a specific embodiment of the pipe expanding assembly line provided by the present application, the transport track 2 further comprises a control box 23 for controlling the rotation of the rotating track 22, and the control box 23 is fixed to one side of the fixed track 21. Specifically, the control box 23 is provided with a control element for controlling the rotation of the rotating track 22, and each rotating track 22 corresponds to one control box 23, so that the rotation of the rotating track 22 can be directly controlled by the control box 23 or controlled by a remote control mode. Of course, according to actual conditions and specific requirements, in other embodiments of the present application, the control box 23 can also be provided with only one, and the control box 23 can control all the rotating tracks 22, which is not uniquely limited here.

[0047] Further, referring to Figure 1 , Figure 6 and Figure 7 , as a specific embodiment of the pipe expanding assembly line provided by the present application, the rotating track 22 is provided with a first track part 221, the fixed track 21 is provided with a second track part 211, and the first track part 221 and the second track part 211 are connected. Specifically, the first track part 221 and the second track part 211 are connected, so that the transfer trolley 3 can be stably moved from the first track part 221 to the second track part 211, or the second track part 211 to the first track part 221, the second supporting plate 212 on the fixed track 21 for supporting the second track part 211 can abut against the first supporting plate 222 on the rotating track 22 for supporting the first track part 221, and the height of the second supporting plate 212 is consistent with the height of the first supporting plate 222, which can ensure the stable operation of the transfer trolley 3. Among them, the first track part 221 and the second track part 211 can be a protruding guide rail, and the bottom of the transfer trolley 3 is provided with a groove fitted on the guide rail, or the first track part 221 and the second track part 211 are a long strip-shaped sliding groove, and the bottom of the transfer trolley 3 is provided with a roller which can slide in the long strip-shaped sliding groove.

[0048] Further, referring to Figure 1 and Figure 8 , as a specific embodiment of the pipe expanding line provided by the present application, the transfer trolley 3 comprises a support fixing assembly 31 for fixing the inner core assembly 1, a moving assembly 33 for moving the support assembly, and a rotating assembly 32 for rotating the support fixing assembly 31. Specifically, the moving assembly 33 can realize the movement of the entire transfer trolley 3, the support fixing assembly 31 can support and fix the inner core assembly 1, thereby ensuring the stability of the fixed inner core assembly 1, and the rotating assembly 32 can rotate the inner core assembly 1 and the support fixing assembly 31, thereby enabling the inner core assembly 1 to be horizontally placed during pipe threading and pipe expanding operations, and enabling the inner core assembly 1 to be vertically placed during transportation, which can facilitate the transportation of the inner core assembly 1 and the pipe threading and pipe expanding operations, and is simple to use.

[0049] Specifically, the moving assembly 33 can move or drive the entire transfer trolley 3, the moving assembly 33 can be a roller structure or a conveyor belt structure, the support fixing assembly 31 can support and fix the inner core assembly 1, thereby ensuring the stability of the entire inner core assembly 1 in the vertical state and the horizontal state, the support fixing assembly 31 can be a sleeve directly sleeved on the outer side of the inner core assembly 1, thereby fixing the inner core assembly 1, or be a plate fixed on one side of the inner core assembly 1, the inner core assembly 1 is fixedly connected through the fixed connection between the plate and the inner core assembly 1, and the rotating assembly 32 can rotate the support fixing assembly 31, the rotation of the rotating assembly 32 can be a rotating driving member such as a motor or an electric motor to rotate the support fixing assembly 31, or manually adjust the position of the support fixing assembly 31.

[0050] Further, referring to Figure 1 and Figure 8As a specific embodiment of the pipe expanding assembly provided by the application, the moving assembly 33 comprises a bottom plate 331 and a sliding wheel 332 arranged at the lower part of the bottom plate 331. Specifically, the sliding wheel 332 is arranged at the bottom of the bottom plate 331 to drive the movement of the bottom plate 331, and thus the movement of the whole transfer trolley 3, so as to realize the circulation of the whole pipe expanding assembly. A sliding plate 334 can be arranged on the upper surface of the bottom plate 331, the rotating assembly 32 is fixed on the sliding plate 334, the sliding plate 334 is in sliding connection with the bottom plate 331, and the moving direction of the sliding plate 334 is perpendicular to the moving direction of the rolling wheel 4114. The sliding plate 334 can move relatively on the upper surface of the bottom plate 331, and the sliding direction of the sliding plate 334 is not consistent with the moving direction of the bottom plate 331. At this time, the sliding plate 334 can be combined with the bottom plate 331 to achieve better adjustment of various angles, so as to move the transfer trolley 3 to the pipe expanding device or the pipe penetrating device to adjust the position.

[0051] Preferably, the upper surface of the bottom plate 331 is provided with a guide rail 333, and the bottom of the sliding plate 334 is provided with a sliding groove matched with the guide rail 333, so that the sliding plate 334 can slide relatively on the bottom plate 331. The number of the guide rail 333 and the sliding groove is generally two, which are arranged on the opposite sides of the bottom plate 331 or the sliding plate 334 respectively, so as to achieve the effect of stable support. A plurality of fixing blocks 335 are arranged between the two guide rails 333, the fixing blocks 335 are provided with fixing holes, and the sliding plate 334 is also provided with a plurality of fixing holes matched with the fixing holes of the fixing blocks 335, so as to achieve the effect of fixing position. Of course, according to the actual situation and specific needs, the sliding groove can also be arranged on the bottom plate 331, and the guide rail 333 can be arranged on the bottom of the sliding plate 334, which is not limited herein.

[0052] Further, please refer to Figure 1 , Figure 5 and Figure 8As a specific embodiment of the pipe expanding assembly line provided by the application, the sliding wheel 332 is located inside the first track part 221 or the second track part 211. Specifically, the first track part 221 and the second track part 211 are both C-shaped channel steels, the shape of the C-shaped channel steel comprises a bottom plate 331 and side plates arranged on both sides of the bottom plate 331, and the side plates extend inwardly with buckle plates, so that the components located inside the first track part 221 and the second track part 211 cannot be loosened. In this embodiment, the bottom of the transfer trolley 3 is a sliding wheel 332, and the sliding wheel 332 is embedded inside the C-shaped channel steel, that is, the sliding wheel 332 can be located between the two side plates and be limited by the buckle plates. At this time, the connection stability between the transfer trolley 3 and the transportation track 2 is higher, and the transfer trolley 3 can move to various positions along the fixed track 21 and the rotating track.

[0053] Obviously, the above embodiments are only examples for clearly illustrating the application, and are not intended to limit the embodiments. Based on the above description, those skilled in the art can make other different forms of changes or modifications. Here, it is not necessary and impossible to enumerate all the embodiments. The obvious changes or modifications derived therefrom are still within the protection scope of the application.

Claims

1. An expansion tube production line, characterized in that, include: The transport track (2) includes at least two fixed tracks (21) and a rotating track (22), the rotating track (22) being located between the fixed tracks (21), the fixed tracks (21) having an extending direction; A transfer trolley (3) for transferring the inner core assembly (1), the transfer trolley (3) being mounted on the transport track (2); and Processing component (4), the processing component (4) is disposed on one side of the fixed track (21) perpendicular to the extension direction and is used to process the inner core component (1), and the processing components (4) are connected to each other through the transport track (2); The processing component (4) includes a tube insertion mechanism (41) and a tube expansion mechanism (42). The tube expansion mechanism (42) includes a base (421), a tube expansion robot (422) mounted on the base (421), and a tube expansion fixing frame (423) connecting the base (421) and the transport track (2). The transport track (2) is located around the base (421), and the tube expansion robot (422) is used to process the inner core assembly (1) on the transport track (2) in sequence; The transfer trolley (3) includes a support fixing component (31) for fixing the inner core component (1), a moving component (33) for moving the support fixing component (31), and a rotating component (32) for rotating the support fixing component (31). The moving component (33) includes a base plate (331) and a sliding wheel (332) disposed at the lower part of the base plate (331). The rotating track (22) is provided with a first track section (221), and the fixed track (21) is provided with a second track section (211). The first track section (221) and the second track section (211) are connected. The sliding wheel (332) is located inside the first track section (221) or the second track section (211); The moving component (33) further includes a sliding plate (334) disposed on the upper part of the base plate (331), the rotating component (32) is fixed on the sliding plate (334), the sliding plate (334) is slidably connected to the base plate (331), and the moving direction of the sliding plate (334) is perpendicular to the moving direction of the sliding wheel (332); The expansion tube fixing bracket (423) includes: A third fixing plate (4233) is used for fixed connection with the inner core assembly (1) on the transfer trolley (3).

2. The tube expansion assembly line as described in claim 1, characterized in that, The pipe threading mechanism (41) includes a pipe storage vehicle (411) and a pipe threading station (412), with the pipe threading station (412) located on one side of the pipe storage vehicle (411).

3. The tube expansion assembly line as described in claim 2, characterized in that, The tube storage vehicle (411) includes a fixed seat (4111), a fixed support rod (4112) arranged perpendicular to the fixed seat (4111), and a storage rod (4113) fixed to the side of the fixed support rod (4112). The storage rod (4113) and the fixed support rod (4112) have an included angle.

4. The tube expansion assembly line as described in claim 3, characterized in that, The bottom of the fixed base (4111) is also provided with rollers (4114).

5. The tube expansion assembly line as described in claim 1, characterized in that, The expansion tube fixing bracket (423) also includes: A first fixing plate (4231) is fixedly connected to the base (421); A second fixing plate (4232) is fixedly connected to the transport track (2); A column (4236) connecting the third fixing plate (4233) and the second fixing plate (4232).

6. The tube expansion assembly line according to any one of claims 1 to 4, characterized in that, The transport track (2) also includes a control box (23) for controlling the rotation of the rotating track (22), and the control box (23) is fixed to one side of the fixed track (21).

Images