Pre-buried channel manufacturing method and production line

Abstract

The invention discloses a pre-buried channel manufacturing method and a production line, and relates to the technical field of channel processing, and the technical scheme is that the method comprises the following steps: manufacturing a channel body part and an anchor rod part, and combining and fixing the channel body part and the anchor rod part; groove body manufacturing comprises plate cutting, side plate bending, middle plate groove and insertion hole forming, and side plate and middle plate welding; the anchor rod manufacturing comprises anchor rod body manufacturing, one end of the anchor rod is fixedly connected with a hollow cylindrical insertion rod, and the insertion rod is divided into two symmetrical halves. According to the method, a traditional hot forging technology is not needed, the inserting rod is deformed through cold pressing and is welded after being combined with the channel, energy consumption is low, safety is high, machining can be conducted through an automatic production line, production efficiency can be improved, and the manual operation burden can be relieved.

Description

Technical Field

[0001] The present invention relates to the technical field of groove processing, in particular to a method and a production line for manufacturing a pre-buried groove. Background Art

[0002] In subway construction, subway embedded troughs are key components used to fix and support various types of equipment and pipelines. They are usually embedded in concrete structures to provide a reliable connection foundation for subsequent equipment installation.

[0003] The structure of a subway pre-buried trough primarily consists of a trough body and anchor rods. Currently, hot forging is the most common method of connection between the trough body and the anchor rods during processing. The trough body has mounting holes corresponding to the anchor rod mounting positions, and the anchor rods are connected to corresponding mounting holes in the trough body with stakes. During assembly, the stakes on the anchor rod are heated to the appropriate temperature. A worker then removes the anchor rod and inserts the stakes into the mounting holes in the trough body. An external device then presses against one end of the anchor rod while another device squeezes the stakes, transforming them from a columnar shape into a pancake shape, thus completing the connection between the anchor rod and the trough body.

[0004] However, this method has many disadvantages. On the one hand, the hot forging process requires heating the metal to a relatively high temperature, which not only consumes a large amount of energy and increases the energy consumption cost in the production process, but the high-temperature heating process may also have an adverse effect on the performance of the metal material, such as causing the mechanical properties of the material to decline, the structure to be uneven, etc., thereby affecting the overall structural strength and stability of the embedded channel. On the other hand, the operation process of the hot forging process is relatively complicated, and the technical requirements for equipment and operators are high, which makes the production efficiency relatively low and increases the production cycle and cost. In addition, the joints formed by hot forging connections may become loose or deformed during long-term use due to the influence of factors such as vibration and load during subway operation, which reduces the reliability and safety of the embedded channel and increases the difficulty and cost of subsequent maintenance and inspection. In addition, this operation is now mostly performed manually, which is dangerous. Summary of the Invention

[0005] In view of one of the deficiencies of the prior art, the present invention provides a method and a production line for manufacturing a pre-buried channel, which solves the production and processing problem of the pre-buried channel.

[0006] To achieve the above object, the present invention provides the following technical solution: a method for manufacturing a pre-buried channel, comprising the steps of:

[0007] S1, making the tank body;

[0008] S2, making the anchor rod part;

[0009] S3, assembling and fixing the trough body made in S1 and the anchor rod made in S2 to complete the trough processing;

[0010] Step S1 includes the steps of:

[0011] S101, cutting the plate into a middle plate and two side plates, wherein the middle plate corresponds to the middle plate body of the channel, and the side plates correspond to the side plates of the channel;

[0012] S102, bending the two side panels respectively;

[0013] S103, forming a groove along the length direction of the middle plate, wherein the groove is formed in the middle of a surface of the middle plate corresponding to the inner side of the channel;

[0014] S104, opening a plurality of insertion holes corresponding to the anchor rods along the length direction of the middle plate, the insertion holes passing through the groove opened in S103;

[0015] S105, welding the side plates and the middle plate;

[0016] Step S2 includes the steps of:

[0017] S201, making the anchor body;

[0018] S202, fixing an insert rod at one end of the anchor rod body, wherein the insert rod is hollow and cylindrical and is coaxial with the anchor rod body;

[0019] S203, dividing the rod into two symmetrical halves.

[0020] Preferably, step S3 includes:

[0021] S301, inserting the anchor rod into the socket of the middle plate;

[0022] S302, bending the insertion rod so that the insertion rod is embedded in the groove of the middle plate;

[0023] S303, welding the joints between the rod and the groove to complete the groove processing.

[0024] Preferably, the insertion hole on the middle plate is a square hole or a round hole;

[0025] When the insertion hole is a round hole, the insertion rod is in the shape of a round tube, and a separation groove is provided along the diameter of the insertion rod to divide the insertion rod into two halves;

[0026] When the insertion hole is a square hole, the insertion rod is in the shape of a square tube, and a separation groove which can divide the insertion rod into two halves is opened along the diagonal line of the insertion rod.

[0027] A pre-buried channel production line, applied to the above-mentioned pre-buried channel production method, comprises:

[0028] The cutting unit includes a cutting support assembly, a cutting assembly, and a cutting conveying assembly; the cutting assembly can perform laser cutting on the plate; the upper side of the cutting support assembly can carry the plate to be processed; the cutting conveying assembly can convey the cut plate;

[0029] A transfer unit, arranged on the discharge side of the cutting unit;

[0030] The shaping unit is arranged on one side of the transfer unit, and the shaping unit includes a side plate processing assembly and a middle plate processing assembly; the side plate processing assembly can bend the side plate; the middle plate processing assembly can open a groove and a socket in the middle of the middle plate;

[0031] The combining unit is arranged on one side of the shaping unit, and the combining unit can combine the side plates, the middle plates and the anchor rods.

[0032] Preferably, the cutting bearing assembly comprises:

[0033] The carrying box is a rectangular box that can be placed on the ground; both the upper and lower sides of the carrying box are open;

[0034] A load-bearing plate group is arranged inside the load-bearing box, and the load-bearing plate group includes a plurality of load-bearing plates, the plate surfaces of the load-bearing plates are arranged vertically, and the upper edges of the load-bearing plates are isosceles triangle plates arranged side by side;

[0035] The cutting and conveying assembly comprises:

[0036] A cutting and conveying roller group includes a plurality of cutting and conveying rollers, and the cutting and conveying rollers are arranged between two adjacent carrying plates;

[0037] The cutting and conveying roller frame is arranged inside the carrying box and can rise or fall inside the carrying box; the cutting and conveying rollers of the cutting and conveying roller group are rotatably connected to the cutting and conveying roller frame.

[0038] Preferably, the cutting unit further comprises:

[0039] There are several receiving boxes, which can receive debris dropped by the cutting assembly during cutting. The receiving boxes include:

[0040] The box body is horizontally slidably connected to the bottom of the carrying box;

[0041] One end of the pull rod is rotatably connected to the outer side of the box body, and the other end is fixedly provided with a handle.

[0042] Preferably, the transfer unit comprises:

[0043] The transfer rack is a rack body arranged in the conveying direction of the cutting conveying assembly;

[0044] The transfer conveyor roller group includes a plurality of transfer conveyor rollers, and the transfer conveyor rollers are rotatably connected to the transfer frame;

[0045] Transfer grabbing components, which are provided in plurality and can grab the plate on the transfer conveying roller group to the shaping unit;

[0046] The transfer and grabbing assembly comprises:

[0047] The transfer and grabbing frame is a fixed frame;

[0048] a first transverse moving frame, capable of sliding horizontally along the transfer and grabbing frame;

[0049] a second transverse frame, which can slide horizontally with the first transverse frame; the movement direction of the first transverse frame is perpendicular to the movement direction of the second transverse frame;

[0050] The grabbing tool is arranged at the lower part of the second transverse moving frame. The grabbing tool can move in the vertical direction, and the grabbing tool can grab the plate on the transfer conveying roller group.

[0051] Preferably, the shaping unit includes:

[0052] The side panel processing assembly can bend the cut side panel parts; the side panel processing assembly includes:

[0053] The side panel processing frame is a fixed frame;

[0054] The side plate rotating seat is a long rectangular block as a whole. The side plate rotating seat is rotatably connected to the base of the shaping unit. A plurality of grooves are opened on the circumference of the side plate rotating seat, and the grooves extend along the length direction of the side plate rotating seat.

[0055] The side panel pressing piece is horizontally slidably connected to the side panel processing frame, and the side panel pressing piece can move toward or away from the side panel rotating seat.

[0056] Preferably, the shaping unit further includes:

[0057] The middle plate processing assembly can process grooves and holes on the middle plate, and the middle plate processing assembly includes:

[0058] A middle plate conveying roller group is arranged in the middle of the shaping unit and can receive the middle plate pieces conveyed by the transfer unit;

[0059] A middle plate slotting assembly includes a slotting motor and a slotting cutter head, wherein the slotting motor can move toward or away from the middle plate conveying roller group, and the slotting cutter head is fixedly connected to the motor shaft of the slotting motor;

[0060] The middle plate hole assembly is arranged on one side of the middle plate slotting assembly. The middle plate hole assembly includes a hole opening cylinder and a hole opening pad arranged below the hole opening cylinder. The movable end of the hole opening cylinder is fixedly provided with a hole opening punch.

[0061] Preferably, the combination unit comprises:

[0062] The combined base is a fixed base body;

[0063] A combined robot is arranged on both sides of the combined base. The combined robot is a combination of a robotic arm and a tooling. The combined robot can grab the side panels processed by the shaping unit.

[0064] A middle plate pushing assembly is provided on the combined base and can push the middle plate to move along the length direction of the combined base;

[0065] A side panel assembly mechanism is provided on the combination base, the side panel assembly mechanism includes a side panel assembly tool, the side panel assembly tool can move toward or away from the middle plate on the combination base; a through welding groove is provided on the table top of the combination base, and a welding assembly is provided inside the combination base corresponding to the connection between the side panel and the middle plate, the welding assembly is provided inside the combination base and can slide along the combination base; the welding end of the welding assembly is arranged toward the welding groove of the combination base;

[0066] An anchor rod assembly mechanism is provided on the discharge side of the side plate assembly mechanism; the anchor rod assembly mechanism comprises:

[0067] An anchor rod plug-in assembly is arranged inside the combined base and can push the anchor rod to move from the bottom to the top;

[0068] The rod bending assembly is located above the anchor rod plug-in assembly and can bend the anchor rod;

[0069] The plug rod welding assembly is located on one side of the plug rod bending assembly and can weld the bent plug rod.

[0070] Compared with the existing technology, it has the following beneficial effects:

[0071] This method differs from traditional pre-embedded channel processing. Instead of using traditional hot forging techniques, this solution employs a different rod processing method. Cold pressing is used to deform the rod into the channel, and then welding is used to connect them. Compared to traditional hot forging, this solution consumes less energy and is safer. Furthermore, this method can be used to process the pre-embedded channel on an automated production line, helping to improve production efficiency and reduce the burden of manual labor.

[0072] In addition, this solution also provides a production line corresponding to the above method. Through the production line of this solution, the automatic production of embedded grooves can be realized, reducing the demand for manpower and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0073] Figure 1 This is a schematic diagram of the embedded channel structure of an embodiment of the present application;

[0074] Figure 2 This is a schematic diagram of the overall structure of the embedded channel production line according to an embodiment of the present application;

[0075] Figure 3 This is a schematic diagram of the cutting unit structure of an embodiment of the present application;

[0076] Figure 4 Schematic diagram of the transfer unit and shaping unit structure of the embodiment of the present application Figure 1 ;

[0077] Figure 5 Schematic diagram of the transfer unit and shaping unit structure of the embodiment of the present application Figure 2 ;

[0078] Figure 6 for Figure 5 A partial enlarged view of;

[0079] Figure 7 for Figure 5 B is a partial enlarged view;

[0080] Figure 8 for Figure 5 C partial enlarged view;

[0081] Figure 9 This is a schematic diagram of the side plate rotating seat structure of an embodiment of the present application;

[0082] Figure 10 This is a schematic diagram of the structure of the side panel pressing member according to an embodiment of the present application;

[0083] Figure 11 This is a schematic diagram of the combined unit structure of the embodiment of the present application Figure 1 ;

[0084] Figure 12 for Figure 11 A partial enlarged view of;

[0085] Figure 13 This is a schematic diagram of the combined unit structure of the embodiment of the present application Figure 2 ;

[0086] Figure 14 for Figure 13 A partial enlarged view of;

[0087] Figure 15It is a partial schematic view of the plug-in rack of the embodiment of the present application.

[0088] Figure 16 It is a schematic view of the anchor rod plug-in assembly structure of the embodiment of the present application. Figure 1

[0089] Figure 17 It is a schematic view of the anchor rod plug-in assembly structure of the embodiment of the present application. Figure 2

[0090] Figure 18 It is a schematic view of the ejection structure of the embodiment of the present application.

[0091] In the figure:

[0092] 100, middle plate; 200, side plate; 300, anchor rod;

[0093] 1, cutting unit; 11, cutting bearing assembly; 111, bearing box; 112, bearing plate group; 12, cutting assembly; 13, cutting conveying assembly; 131, cutting conveying roller group; 14, receiving box;

[0094] 2, transfer unit; 21, transfer frame; 22, transfer conveying roller group; 23, transfer grabbing assembly; 231, transfer grabbing frame;

[0095] 3, shaping unit; 31, side plate processing assembly; 311, side plate processing frame; 312, side plate rotating seat; 313, side plate pressing piece; 3131, pressing block; 32, middle plate processing assembly; 321, middle plate conveying roller group; 322, middle plate slotting assembly; 323, middle plate hole opening assembly;

[0096] 4, combination unit; 41, combination base; 42, combination robot; 43, middle plate pushing assembly; 431, air blowing frame; 432, rotating roller; 433, pushing block 44, side plate combination mechanism; 441, combination air cylinder; 442, plug-in rack; 45, anchor rod combination mechanism; 451, anchor rod plug-in assembly; 4511, supply track; 4512, pushing structure; 4513, ejection; 452, plug rod bending assembly; 453, plug rod welding assembly; 454, channel conveying roller group. DETAILED DESCRIPTION

[0097] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. 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 scope of protection of the present application.

[0098] The present application provides the following technical solutions: ​​

[0099] A method for manufacturing a pre-buried groove comprises the following steps:

[0100] S1, making the tank body;

[0101] S2, making the anchor rod part;

[0102] S3. Combine and fix the trough body made in S1 and the anchor rod made in S2 to complete the trough processing.

[0103] The embedded grooves processed in this solution are as follows Figure 1 As shown, in brief, the above three steps can be completed. Each step is further described in detail below.

[0104] Step S1 includes the steps of:

[0105] S101, cutting the plate into a middle plate 100 and two side plates 200, wherein the middle plate 100 corresponds to the middle plate body of the channel, and the side plates 200 correspond to the side plates of the channel;

[0106] S102, respectively bending the two side panels 200 to form a "7" shape;

[0107] S103, forming a groove along the length direction of the middle plate 100, wherein the groove is formed in the middle of one side of the middle plate 100 corresponding to the inner side of the channel;

[0108] S104, opening a plurality of insertion holes corresponding to the anchor rods along the length direction of the middle plate 100, wherein the insertion holes pass through the grooves opened in S103;

[0109] S105, welding the edges of the side plates and the edges of the middle plates, thereby completing the processing of the trough body.

[0110] Step S2 includes the steps of:

[0111] S201, making the anchor rod body. The anchor rod body can be directly processed using existing technology, or a finished product can be purchased. The production of the anchor rod body is not the key point of this solution and will not be described in detail here.

[0112] S202, fixing an insert rod at one end of the anchor rod body, wherein the insert rod is hollow and cylindrical and is coaxial with the anchor rod body;

[0113] S203, dividing the rod into two symmetrical halves.

[0114] The insertion holes on the middle plate 100 can be square holes or round holes, which can be selectively used according to processing conditions.

[0115] When the insertion hole is a round hole, the insertion rod is a round tube, and a dividing groove is opened along the diameter of the insertion rod to divide the insertion rod into two halves; when the insertion hole is a square hole, the insertion rod is a square tube, and a dividing groove is opened along the diagonal line of the insertion rod to divide the insertion rod into two halves.

[0116] Step S3 includes:

[0117] S301. Insert the anchor rod into the socket of the middle plate. When the rod is a square tube structure, it is necessary to pay attention to the separation groove scheme during insertion. The direction of the separation groove needs to be perpendicular to the length direction of the middle plate 100.

[0118] S302, bend the rod so that it is embedded in the groove of the middle plate; push the rod to deform it, and the two halves of the rod separated by the separation groove are respectively squeezed toward the grooves on both sides of the corresponding insertion hole of the middle plate 100, and the squeezed and deformed rod is embedded in the groove;

[0119] S303, welding the joints between the rod and the groove to complete the groove processing.

[0120] This method differs from traditional pre-embedded channel processing. Instead of using traditional hot forging techniques, this solution employs a different rod processing method. Cold pressing is used to deform the rod into the channel, and then welding is used to connect them. Compared to traditional hot forging, this solution consumes less energy and is safer. Furthermore, this method can be used to process the pre-embedded channel on an automated production line, helping to improve production efficiency and reduce the burden of manual labor.

[0121] The present invention provides a pre-buried channel production line for processing and manufacturing the pre-buried channel in combination with the above-mentioned manufacturing method.

[0122] See also Figure 2 , which shows the overall structure of this production line. With the forward direction of the material changing from plate to channel product during processing as the front, this production line includes a cutting unit 1, a transfer unit 2, a shaping unit 3 and a combination unit 5 arranged in sequence from back to front.

[0123] The cutting unit 1 includes a cutting bearing assembly 11, a cutting assembly 12, and a cutting conveying assembly 13; the cutting assembly 12 can perform laser cutting on the plate; the upper side of the cutting bearing assembly 11 can carry the plate to be processed; and the cutting conveying assembly 13 can convey the cut plate. The transfer unit 2 is arranged on the discharge side of the cutting unit 1, and is used to transfer the plate between units. The shaping unit 3 is arranged on one side of the transfer unit 2, and the shaping unit 3 includes a side panel processing assembly 31 and a middle panel processing assembly 32; the side panel processing assembly 31 can bend the side panel; and the middle panel processing assembly 32 can open grooves and sockets in the middle of the middle panel. The combination unit 4 is arranged on one side of the shaping unit 3, and the combination unit 4 can combine the side panel, middle panel, and anchor rod. Through the combined processing of the four units, the production of the embedded channel is finally completed. The following is a further detailed description of each unit.

[0124] Based on the above implementation plan, see Figure 3 , which shows the cutting unit 1. The cutting bearing assembly 11 of the cutting unit 1 includes a rectangular box-shaped bearing box 111, which can be fixedly placed on the ground, and the upper and lower sides of the bearing box 111 are open. A bearing plate group 112 is set inside the bearing box 111, and the bearing plate group 112 includes a number of bearing plates, the plate surfaces of the bearing plates are set vertically, the upper edges of the bearing plates are isosceles triangle plates set side by side, and the bearing plates are evenly distributed from back to front. The cutting assembly 12 adopts the existing technology and is a laser cutting working mode. Its cutting head can move in the X-axis and Y-axis in the horizontal direction, that is, it can translate along the length and width direction of the bearing box 111. Unlike conventional laser cutting machines, this solution takes into account the problem of conveying the plate after cutting, and the plate needs to be conveyed to the next working unit. Therefore, this solution is provided with a cutting conveying assembly 13. The cutting conveying assembly 13 includes a cutting conveying roller frame set inside the bearing box 111, and the cutting conveying roller frame and the bearing box 111 are vertically slidably connected. The corresponding cutting and conveying roller frames are provided with a drive element, using a pneumatic cylinder or hydraulic cylinder, which drives the cutting and conveying roller frames to rise and fall within the carrying box 111. A cutting and conveying roller assembly 131 is mounted on the cutting and conveying roller frame. The cutting and conveying roller assembly 131 includes several cutting and conveying rollers, which are positioned between two adjacent carrying plates. The cutting and conveying rollers are rotatably connected to the cutting and conveying roller frame and are driven by a motor via a combination of synchronous pulleys and synchronous belts.

[0125] When the cutting operation is performed, the cutting conveyor roller frame descends so that the cutting conveyor roller group 131 is lower than the position of the load-bearing plate group 112 to ensure stable contact between the plate and the load-bearing plate group 112. After the cutting operation is completed, the plate is divided into a middle plate part and two side plate parts that need to be processed later. It should be noted here that for the processing of the middle plate, only the outer edge of the plate body can be cut out in the cutting unit, or the sockets on the middle plate 100 can be cut at the same time. If the sockets of the middle plate 100 are processed in the cutting unit 1, there is no need to perform this structural operation later, but it also increases the time required for the cutting unit to process. This solution subsequently provides a processing method in which the cutting unit 1 only performs the contour cutting of the middle plate, that is, the socket processing method of the middle plate 100 is performed at the shaping unit 3. It can be selectively set when the solution is implemented, and the specific content will be described in detail later.

[0126] On the basis of the above embodiment, the cutting unit 1 also includes a receiving structure for receiving debris generated during cutting, which includes three receiving boxes 14 located at the bottom of the carrying box 111. The receiving box 14 includes a box body and a pull rod. The box body is a flat rectangular box-shaped structure. The box body and the bottom of the carrying box 111 are horizontally slidably connected, and its sliding direction is the width direction of the carrying box 111. A limit plate is provided on the outer side of the box body. When the box body is pushed into the interior of the carrying box 111, the limit plate and the outer side of the carrying box 111 are abutted. The pull rod adopts an "I"-shaped structure as a whole, and its lower end is rotatably connected to the outside of the box body, and a handle is fixed at the other end. A vertical placement groove is provided on the outer wall of the carrying box 111 corresponding to the handle of the pull rod, and the handle of the pull rod can be placed in the placement groove.

[0127] Based on the above implementation plan, see Figures 4 to 8 The transfer unit 2 includes a transfer frame 21, a transfer conveyor roller group 22, and a transfer grabbing assembly 23. The transfer frame 21 is a frame body arranged in the conveying direction of the cutting conveyor assembly 13 and is a frame-type support structure. The transfer conveyor roller group 22 includes a number of transfer conveyor rollers, which are rotatably connected to the transfer frame; a motor is provided on the transfer frame 21, and the motor and the transfer conveyor rollers are linked by a sprocket chain combination. The transfer frame 21 of this solution is provided with two groups of transfer conveyor roller groups 22, each of which is equipped with an independent motor, and the two transfer conveyor roller groups 22 are distributed front and back. The embedded channel length considered in this solution is about 1.5m-2m, and two sets of transfer conveyor roller groups 22 can meet the requirements. If a longer channel is to be manufactured, the number of transfer conveyor roller groups 22 can be adjusted according to actual conditions. Each transfer conveyor roller adopts a combination of two coaxial fixed roller bodies, which are butt-jointed at the middle and rotatably connected to the transfer frame 21 at both ends. This connection method reduces the difficulty of manufacturing and maintaining a single transfer conveyor roller.

[0128] The transfer and gripping assemblies 23 are symmetrically positioned on either side of the transfer frame. They are used to grasp the corresponding panels of the side panels. Four transfer and gripping assemblies 23 are provided: two are located between the transfer frame 21 and the shaping unit 3, and the other two are located on either side of the discharge end of the shaping unit 3. The transfer and gripping assemblies 23 are sufficient to grasp the panels of the side panels 200. The specific structural form of the transfer and gripping assemblies 23 can vary, and one implementation is described later in this solution.

[0129] After the cutting unit 1 cuts the sheet material into corresponding panels for the middle panel 100 and side panels 200, its cutting and conveying assembly 13 conveys the entire panel to the transfer rack 21, where it is then transported forward by the transfer conveyor roller assembly 22. Two transfer gripper assemblies 23 near the transfer rack 21 grab the side panels 200 and bring them to the shaping unit 3 for processing and shaping. The transfer gripper assemblies 23 at the discharge end of the shaping unit 3 then grab the side panels 200 and move them to the assembly unit 4.

[0130] Based on the above implementation plan, see Figure 6 The transfer grabbing assembly 23 includes a transfer grabbing frame 231, a first transverse frame 232, a second transverse frame 233 and a grabbing tool 234. The transfer grabbing frame 231 is a fixed "door"-shaped frame. The fixed position of the transfer grabbing frame 231 is not limited. In this solution, the lower end of the transfer grabbing frame 231 is fixedly set on the base plate of the shaping unit 3. The upper part of the transfer grabbing frame 231 is a horizontally set sliding structure, which can adopt a rodless cylinder or a screw-type nut combined with a sliding table. One end of the first transverse frame 232 is fixedly connected to the sliding structure of the transfer grabbing frame 231, so that the first transverse frame 232 can slide horizontally along the transfer grabbing frame 231. The sliding direction of the first transverse frame 232 is the front-to-back direction, that is, the length direction of the entire production line. The first transverse frame 232 is also provided with a sliding structure. The second transverse frame 233 is slidably connected to the first transverse frame 232. The sliding direction is horizontal and perpendicular to the movement direction of the first transverse frame 232. In other words, the sliding direction of the second transverse frame 233 is the width direction of the production line. The grabbing fixture 234 is provided at the lower part of the second transverse frame 233. The grabbing fixture 234 can move in the vertical direction and can grab the plate on the transfer conveyor roller group 22. The grabbing structure of the grabbing fixture 234 can adopt a vacuum suction type or a clamping structure using a cylinder. Because this solution needs to grab a plate with a regular shape, there is no difficulty in grabbing. The specific structural form of the grabbing structure can be realized with the help of existing technology and will not be elaborated here.

[0131] On the basis of the above-mentioned embodiments, the shaping unit 3 comprises two side plate processing assemblies 31 and one middle plate processing assembly 32, and the side plate processing assemblies 31 are located on both sides of the middle plate processing assembly 32. The side plate processing assembly 31 is used for bending processing of the cut side plate to make the side plate into a "7" shape structure. Please refer to Figure 7 The side plate processing assembly 31 comprises a side plate processing rack 311, a side plate rotating seat 312 and a side plate pressing piece 313. The side plate processing rack 311 is a fixed "7" shaped rack body, and the lower end of the rack body is fixedly arranged on the base of the shaping unit 3. The side plate rotating seat 312 is shown in Figure 9 , which is a long rectangular block body. The side plate rotating seat 312 is rotationally connected with the base of the shaping unit 3. A plurality of grooves are formed on the circumferential side of the side plate rotating seat 312, and the grooves extend along the length direction of the side plate rotating seat 312. The grooves are "V" shaped, and grooves with different sizes and numbers are arranged on the four sides of the side plate rotating seat 312, which are used to realize different bending requirements.

[0132] The side plate pressing piece 313 is horizontally slidably connected with the side plate processing rack 311, and the side plate pressing piece 313 can move towards or away from the side plate rotating seat 312. The side plate pressing piece 313 comprises a hydraulic oil cylinder, and the hydraulic oil cylinder is horizontally slidably connected with the side plate processing rack 311. The movable end of the hydraulic oil cylinder is arranged downward, and a long pressing plate is fixedly arranged on the movable end of the hydraulic oil cylinder. The lower part of the pressing plate is detachably connected with a plurality of pressing blocks 3131. The upper part of the pressing block 3131 is provided with a mounting hole, which is fixedly connected with the pressing plate through a bolt. The thickness of the bottom edge of the pressing block 3131 is reduced to form a thin pressing port. The structure is shown in Figure 10 . A plurality of pressing blocks 3131 are arranged, which can better disperse the pressing force and greatly reduce the difficulty of subsequent equipment maintenance and repair.

[0133] On the basis of the above-mentioned embodiments, the side plate pressing piece 313 can also be fixedly connected with the side plate processing rack 311. In this connection mode, the corresponding pressing block 3131 can be replaced according to the structure of the notch on the side plate rotating seat 312.

[0134] On the basis of the above-mentioned embodiments, the side plate rotating seat 312 is rotationally connected with the connecting seat on the base of the shaping unit 3 through a rotating shaft. The side plate rotating seat 312 can be adjusted manually or driven by a motor. A top block is arranged below the side plate rotating seat 312, and the upper surface of the top block is a plane. The top block is vertically slidably connected with the base. A hydraulic oil cylinder is arranged below the top block to drive the lifting of the top block. When the required orientation of the side plate rotating seat 312 is adjusted, the top block is raised and abuts against the lower side of the side plate rotating seat 312 to enhance the stability of the side plate rotating seat 312.

[0135] On the basis of the above implementation scheme, a horizontal positioning pin is set corresponding to the top block. The positioning pin is an electromagnetic pin. When the top block rises, the positioning pin fixes the top block.

[0136] Based on the above implementation plan, see Figure 8 The shaping unit 3 also includes a mid-plate processing assembly 32, which is used to process grooves and holes in the mid-plate. The mid-plate processing assembly 32 includes a mid-plate conveyor roller assembly 321, a mid-plate slotting assembly 322, and a mid-plate hole-punching assembly 323. It should be noted that the mid-plate hole-punching assembly 323 is used when the cutting unit 1 is not processing mid-plate holes.

[0137] A groove is defined in the center of the shaping unit 3. A mid-plate conveyor roller assembly 321 is positioned within this groove. This assembly comprises several mid-plate conveyor rollers. Unlike the roller distribution of the transfer unit 2, the mid-plate conveyor rollers in the shaping unit 3 are divided into a lower roller assembly and an upper roller assembly. The lower roller assembly is distributed along the entire length of the base of the shaping unit 3, while the upper roller assembly is positioned above the lower roller assembly. A gap is left between the upper and lower roller assemblies to allow the mid-plate 100 to pass through. The upper roller assembly is only located near the discharge end of the shaping unit 3. A gantry is positioned at the discharge end of the shaping unit 3, spanning the groove in the center of the shaping unit 3. A mid-plate slotting assembly 322 and a mid-plate hole-punching assembly 323 are connected to either side of the gantry. The mid-plate slotting assembly 322 is positioned on the side of the gantry facing the transfer unit 2, while the mid-plate hole-punching assembly 323 is positioned on the side of the gantry facing the assembly unit 4. The upper roller assembly only extends to the location of the mid-plate slotting assembly 322.

[0138] The mid-plate slotting assembly 322 includes a slotting motor and a slotting cutter head. The slotting motor is connected to a gantry via a cylinder. The cylinder drives the slotting motor toward or away from the mid-plate conveyor roller assembly 321. The slotting cutter head is fixedly connected to the motor shaft of the slotting motor. Water nozzles are installed on the side of the mid-plate slotting assembly 322 to spray water on the slotting cutter head to cool it down.

[0139] The middle plate hole-opening assembly 323 includes a hole-opening oil cylinder and a hole-opening pad arranged below the hole-opening oil cylinder. A hole-opening punch is fixedly provided at the movable end of the hole-opening oil cylinder, and a through hole corresponding to the hole-opening punch is provided on the hole-opening pad.

[0140] The structure of this embodiment enables the processing of the middle plate 100. The middle plate delivered by the transfer unit 2 falls into the base groove of the shaping unit 3, then moves forward under the action of the middle plate delivery roller group 321. Under the clamping action of the upper and lower roller groups, the middle plate slotting assembly 322 and the middle plate hole punching assembly 323 perform slotting and hole punching. The reason why the middle plate slotting assembly 322 is arranged on the rear side of the middle plate hole punching assembly 323 is that the groove of the middle plate 100 is first punched and then the hole punched, which can greatly reduce the wear and tear of the hole punch.

[0141] Based on the above implementation plan, see Figures 11 to 15 The assembly unit 4 includes an assembly base 41, an assembly robot 42, a middle plate pushing assembly 43, a side plate assembly mechanism 44 and an anchor rod assembly mechanism 45. The assembly unit 4 completes the final processing of the embedded groove.

[0142] The assembly base 41 is a rectangular platform fixed to the ground. Assembly robots 42 are located on either side of the assembly base 41. Combination robots 42, consisting of a robotic arm and tooling, are capable of grasping the side panels 200 processed by the shaping unit 3. These robots utilize existing technology. The transfer and grasping assembly 23 of the transfer unit 2, located at the discharge end of the shaping unit 3, grasps the processed side panels 100 and delivers them to the assembly unit 4. The assembled robots 42 then receive them for assembly and installation.

[0143] The middle plate pushing assembly 43 is arranged at the end of the combined base 41 close to the shaping unit 3, see Figure 12 The middle plate pushing assembly 43 includes a cleaning trough at the end of the assembly base 41. An air blowing rack 431 is positioned above the cleaning trough, through which the middle plate 100 passes. Air nozzles are located at the bottom of the air blowing rack 431, which deliver hot air to clean and dry the middle plate 100. Furthermore, a roller 432 is positioned at the end of the cleaning trough of the middle plate pushing assembly 43, away from the shaping unit 3. This roller 432 drives the middle plate 100 forward.

[0144] The side panel assembly mechanism 44 is located on the upper side of the assembly base 41, on either side of the movement path of the middle panel 100. The side panel assembly mechanism 44 includes a side panel assembly tool that can move toward or away from the middle panel on the assembly base 41. The assembly base 41 has a through-hole weld groove formed on its surface. Welding assemblies are installed inside the assembly base 41 at the connection between the side panels and the middle panel. The welding assemblies are installed inside the assembly base 41 and can slide along the assembly base 41. The welding ends of the welding assemblies are positioned toward the welding grooves of the assembly base 41.

[0145] The side panel assembly tooling includes a combination cylinder 441 and a plug-in frame 442. The combination cylinder is fixedly arranged on the table of the combination base 41. The plug-in frame 442 is as shown in FIG. Figure 15 As shown, a vertical slot is provided on the plug-in rack 442 , and the end of the plug-in rack 442 facing the discharge side is an open end.

[0146] The middle plate pushing assembly 43 pushes the middle plate 100 forward, while the assembly robot 42 inserts the side plate 200 into the insertion rack 442. The assembly cylinder 441 then moves the side plate 200 in the insertion rack 442 toward the middle plate 100, clamping it together. The welding assembly then welds the joint between the side plate 200 and the middle plate 100 while moving. The specific welding structure of the welding assembly and its corresponding moving structure can be based on existing technologies. The key point of this solution lies in its application to the assembly unit 4, rather than the specific structure of the welding device itself.

[0147] Based on the above-mentioned embodiment, the anchor rod assembly mechanism 45 is arranged on the discharge side of the side plate assembly mechanism 44; the anchor rod assembly mechanism 45 includes an anchor rod plug-in assembly 451, a plug-in rod bending assembly 452, and a plug-in rod welding assembly 453. The anchor rod plug-in assembly 451 is arranged inside the assembly base 41 and is used to transport the anchor rod, with one end of the anchor rod vertically upward. The anchor rod plug-in assembly 451 can push the anchor rod from the bottom to the top, inserting the anchor rod into the socket of the middle plate 100. The plug-in rod bending assembly 452 is located above the anchor rod plug-in assembly and can bend the anchor rod; the plug-in rod welding assembly 453 is located on the side of the plug-in rod bending assembly and can weld the bent plug rod. In addition, it also includes a groove conveying roller group 454, which is used to push the groove progressively. The distance of each push corresponds to the spacing between the sockets on the middle plate 100, that is, each time an anchor rod is inserted, the groove is pushed to the installation position of the next anchor rod.

[0148] See also Figures 16 to 18 The anchor rod plug-in assembly 451 includes a supply track 4511. The interior of the supply track 4511 is a channel corresponding to the anchor rod, and a through groove corresponding to the anchor rod insertion rod is opened at the top. A pushing structure 4512 is set on the side of the supply track 4511. The pushing structure 4512 includes a plurality of vertically arranged pushing rollers. The outer side of the pushing rollers is surrounded by a belt. The pushing roller body and belt of the pushing structure 4512 extend into the interior of the supply track 4511, so that the belt can be in contact with the outer side of the middle part of the anchor rod. As the belt rotates, the anchor rod can be continuously pushed. An adjustment structure and a plug-in structure are set at the discharge end of the supply track 4511. The lower part of the discharge end of the supply track 4511 is slidably connected to the ejector 4513. A cylinder is provided in conjunction with the ejector 4513, which drives the ejector 4513 up and down through the cylinder. When the ejector 4513 moves upward, the anchor rod insertion rod can be inserted into the socket of the middle plate 100. In addition, considering the orientation of the slots on the insertion rod, the direction of the anchor rod needs to be adjusted, so this solution also provides the following adjustment structure.

[0149] A circular ring plate is arranged on the upper part of the ejector 4513, and a positioning plate is arranged in the middle part of the circular ring plate. A positioning groove is arranged on the end face of the anchor rod away from the insertion rod, corresponding to the circular ring plate and the positioning plate. The direction of the positioning groove corresponds to the direction of the separation groove on the insertion rod. An adjusting motor is arranged on one side of the ejector 4513, and the adjusting motor is rotationally connected to the ejector 4513 through a synchronous wheel and a synchronous belt. The adjusting motor and the ejector 4513 are connected through a support structure, so that they can be synchronously driven to rise and fall by the cylinder. A through hole is formed in the lower part of the position of the supply track 4511 close to the ejector 4513, so that the anchor rod can vertically fall. A sponge pad is arranged on the side wall of the upper part of the through hole to increase the friction of the anchor rod on the wall.

[0150] Through the structure, when the anchor rod moves to the position of the ejector 4513, the anchor rod falls onto the ejector 4513. Then the adjusting motor drives the ejector 4513 to rotate one circle. During the rotation of the ejector 4513, the positioning groove of the anchor rod coincides with the circular ring plate and the positioning plate on the ejector 4513. Then the anchor rod continues to fall, and the upper part of the ejector 4513 is clamped into the positioning groove. The anchor rod can rotate synchronously with the ejector 4513, and the angle of the anchor rod is adjusted to a suitable angle for installation. The main function of the positioning plate is to adjust the angle of the anchor rod, and the function of the circular ring plate is to ensure that the anchor rod does not tilt during the ejection process.

[0151] The insertion rod bending assembly 452 includes a hydraulic cylinder or a pneumatic cylinder as the lifting driving force for bending. A long strip-shaped bending block is arranged at the lower end of the cylinder body. A small conical protrusion is arranged on the lower side of the middle part of the bending block. The width of the bending block corresponds to the groove width of the middle plate 100, and the length is at least twice the length of the insertion rod on the anchor rod. When the bending block moves downward, the insertion rod of the anchor rod can be bent to both sides, so that the anchor rod is separated and embedded into the groove of the middle plate 100.

[0152] The insertion rod welding assembly 453 is a vertical welding gun, which is also driven to lift by a hydraulic cylinder or a pneumatic cylinder. The insertion rod welding assembly 453 is used to weld and fix the connection position of the groove and the insertion rod.

[0153] On the basis of the above-mentioned embodiment, the channel conveying roller group 454 includes two vertically arranged roller bodies, and the channel passes between the two roller bodies. In order to ensure that the channel can smoothly enter the conveying range of the channel conveying roller group 454, the middle plate pushing assembly 43 further includes two pushing blocks 433. The pushing blocks 433 are rotationally connected to the combined base 41, and the rotation shafts thereof are vertically arranged. The pushing blocks 433 are spaced apart. The pushing blocks 433 are made of elastic material. When the two pushing blocks 433 rotate, the minimum distance between them is less than the width of the middle plate 100.

[0154] With this structure, when the middle plate 100 is being transported, the push block 433 can first rotate toward the shaping unit 3 to avoid the middle plate 100. When the middle plate 100 moves to the connection position with the side plates 200 and is assembled, the push block 433 rotates forward to move the channel into the clamping range of the channel conveying roller set 454.

[0155] Based on the above embodiment, an electromagnetic locating pin is provided on the assembly base 41 near the anchor assembly mechanism 45. When the middle plate 100 moves forward, the electromagnetic locating pin rises, limiting the forward position of the middle plate 100 and ensuring that it is positioned at the connection point with the matching side plate 200. After the side plate 200 and the middle plate 100 are welded, the electromagnetic locating pin descends, releasing the positioning.

[0156] In the description of the present application and its embodiments, it should be understood that the terms "top", "bottom", "height", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They 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 specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present application.

[0157] In this application and its embodiments, unless otherwise expressly specified or limited, terms such as "disposed," "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections, electrical connections, or communication; direct connections or indirect connections through an intermediate medium; and internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0158] In the present application and its embodiments, unless otherwise expressly specified and limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0159] The disclosure above provides many different embodiments or examples for realizing the different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described above. Of course, they are merely examples and are not intended to limit the present application. In addition, the present application may repeat reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art will appreciate the application of other processes and / or the use of other materials.

[0160] Although the preferred embodiments of the present application have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present application.

[0161] Obviously, those skilled in the art may make various changes and modifications to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalents, this application is intended to include these modifications and variations.

Claims

1. A method for manufacturing a pre-buried channel, characterized in that: Including steps: S1, making the tank body; S2, making the anchor rod part; S3, assembling and fixing the trough body made in S1 and the anchor rod made in S2 to complete the trough processing; Step S1 includes the steps of: S101, cutting the plate into a middle plate and two side plates, wherein the middle plate corresponds to the middle plate body of the channel, and the side plates correspond to the side plates of the channel; S102, bending the two side panels respectively; S103, forming a groove along the length direction of the middle plate, wherein the groove is formed in the middle of a surface of the middle plate corresponding to the inner side of the channel; S104, opening a plurality of insertion holes corresponding to the anchor rods along the length direction of the middle plate, the insertion holes passing through the groove opened in S103; S105, welding the side plates and the middle plate; Step S2 includes the steps of: S201, making the anchor body; S202, fixing an insert rod at one end of the anchor rod body, wherein the insert rod is hollow and cylindrical and is coaxial with the anchor rod body; S203, dividing the rod into two symmetrical halves.

2. The method for manufacturing the embedded channel according to claim 1, wherein: Step S3 includes: S301, inserting the anchor rod into the socket of the middle plate; S302, bending the insertion rod so that the insertion rod is embedded in the groove of the middle plate; S303, welding the joints between the rod and the groove to complete the groove processing.

3. The method for manufacturing the embedded channel according to claim 2, wherein: The jack on the middle plate is a square hole or a round hole; When the insertion hole is a round hole, the insertion rod is in the shape of a round tube, and a separation groove is provided along the diameter of the insertion rod to divide the insertion rod into two halves; When the insertion hole is a square hole, the insertion rod is in the shape of a square tube, and a separation groove which can divide the insertion rod into two halves is opened along the diagonal line of the insertion rod.

4. A pre-buried channel production line, characterized in that: The method for manufacturing the embedded channel according to any one of claims 1 to 3 comprises: The cutting unit includes a cutting support assembly, a cutting assembly, and a cutting conveying assembly; the cutting assembly can perform laser cutting on the plate; the upper side of the cutting support assembly can carry the plate to be processed; the cutting conveying assembly can convey the cut plate; A transfer unit, arranged on the discharge side of the cutting unit; The shaping unit is arranged on one side of the transfer unit, and the shaping unit includes a side plate processing assembly and a middle plate processing assembly; the side plate processing assembly can bend the side plate; the middle plate processing assembly can open a groove and a socket in the middle of the middle plate; The combining unit is arranged on one side of the shaping unit, and the combining unit can combine the side plates, the middle plates and the anchor rods.

5. The embedded channel production line according to claim 4, characterized in that: The cutting bearing assembly comprises: The carrying box is a rectangular box that can be placed on the ground; both the upper and lower sides of the carrying box are open; A load-bearing plate group is arranged inside the load-bearing box, and the load-bearing plate group includes a plurality of load-bearing plates, the plate surfaces of the load-bearing plates are arranged vertically, and the upper edges of the load-bearing plates are isosceles triangle plates arranged side by side; The cutting and conveying assembly comprises: A cutting and conveying roller group includes a plurality of cutting and conveying rollers, and the cutting and conveying rollers are arranged between two adjacent carrying plates; The cutting and conveying roller frame is arranged inside the carrying box and can rise or fall inside the carrying box; the cutting and conveying rollers of the cutting and conveying roller group are rotatably connected to the cutting and conveying roller frame.

6. The embedded channel production line according to claim 4, characterized in that: The cutting unit further comprises: There are several receiving boxes, which can receive debris dropped by the cutting assembly during cutting. The receiving boxes include: The box body is horizontally slidably connected to the bottom of the carrying box; One end of the pull rod is rotatably connected to the outer side of the box body, and the other end is fixedly provided with a handle.

7. The embedded channel production line according to claim 4, characterized in that: The transfer unit comprises: The transfer rack is a rack body arranged in the conveying direction of the cutting conveying assembly; The transfer conveyor roller group includes a plurality of transfer conveyor rollers, and the transfer conveyor rollers are rotatably connected to the transfer frame; There are several transfer grabbing assemblies, which can grab the plates on the transfer conveying roller group and move them to the shaping unit.

8. The embedded channel production line according to claim 7, characterized in that: The transfer and grabbing assembly comprises: The transfer and grabbing frame is a fixed frame; a first transverse moving frame, capable of sliding horizontally along the transfer and grabbing frame; a second transverse frame, which can slide horizontally with the first transverse frame; the movement direction of the first transverse frame is perpendicular to the movement direction of the second transverse frame; The grabbing tool is arranged at the lower part of the second transverse moving frame. The grabbing tool can move in the vertical direction, and the grabbing tool can grab the plate on the transfer conveying roller group.

9. The embedded channel production line according to claim 4, characterized in that: The shaping unit comprises: The side panel processing assembly can bend the cut side panel parts; the side panel processing assembly includes: The side panel processing frame is a fixed frame; The side plate rotating seat is a long rectangular block as a whole. The side plate rotating seat is rotatably connected to the base of the shaping unit. A plurality of grooves are opened on the circumference of the side plate rotating seat, and the grooves extend along the length direction of the side plate rotating seat. The side panel pressing piece is horizontally slidably connected to the side panel processing frame, and the side panel pressing piece can move toward or away from the side panel rotating seat.

10. The embedded channel production line according to claim 9, characterized in that: The shaping unit also includes: The middle plate processing assembly can process grooves and holes on the middle plate, and the middle plate processing assembly includes: A middle plate conveying roller group is arranged in the middle of the shaping unit and can receive the middle plate pieces conveyed by the transfer unit; A middle plate slotting assembly includes a slotting motor and a slotting cutter head, wherein the slotting motor can move toward or away from the middle plate conveying roller group, and the slotting cutter head is fixedly connected to the motor shaft of the slotting motor; The middle plate hole assembly is arranged on one side of the middle plate slotting assembly. The middle plate hole assembly includes a hole opening cylinder and a hole opening pad arranged below the hole opening cylinder. The movable end of the hole opening cylinder is fixedly provided with a hole opening punch.

11. The embedded channel production line according to claim 4, characterized in that: The combined unit comprises: The combined base is a fixed base body; A combined robot is arranged on both sides of the combined base. The combined robot is a combination of a robotic arm and a tooling. The combined robot can grab the side panels processed by the shaping unit. A middle plate pushing assembly is provided on the combined base and can push the middle plate to move along the length direction of the combined base; The side panel assembly mechanism is arranged on the combination base, and the side panel assembly mechanism includes a side panel assembly tooling, and the side panel assembly tooling can move toward or away from the middle plate on the combination base; a through welding groove is opened on the table top of the combination base, and a welding assembly is provided at the connection between the side panel and the middle plate inside the combination base, and the welding assembly is arranged inside the combination base and can slide along the combination base; the welding end of the welding assembly is arranged toward the welding groove of the combination base.

12. The embedded channel production line according to claim 11, characterized in that: Also includes: An anchor rod assembly mechanism is provided on the discharge side of the side plate assembly mechanism; the anchor rod assembly mechanism comprises: An anchor rod plug-in assembly is arranged inside the combined base and can push the anchor rod to move from the bottom to the top; The rod bending assembly is located above the anchor rod plug-in assembly and can bend the anchor rod; The plug rod welding assembly is located on one side of the plug rod bending assembly and can weld the bent plug rod.

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