Automatic shaping device for condenser tube
Through the correction and lifting mechanism of the automatic condensate setting device, the problems of low condensate setting efficiency and uneven thickness are solved, and efficient and uniform condensate setting is achieved.
Patent Information
- Application Number
- CN202211380446.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-11-04
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2042-11-04
AI Technical Summary
The existing condenser tubes are inefficient during the shaping process and are prone to uneven thickness and affect their service life.
An automatic shaping device for condenser tubes is designed, including a correction mechanism and a hoisting mechanism. Through the coordination of the correction branch chains in the sliding chutes No. 1 and No. 2 and the repair branch chains, synchronous correction and repair of the condenser tubes are achieved to ensure uniform thickness.
It improves the shaping efficiency of the condenser pipe, ensures that the condenser pipe meets the production specifications, avoids the problem of uneven thickness, and saves manual repair time.
Smart Images

Figure CN115780584B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of condenser tube processing, and more particularly to an automatic shaping device for condenser tubes. Background Art
[0002] The condenser tubes in the condenser absorb heat from the cooling water to perform heat exchange. To improve efficiency and reduce installation space, the condenser tubes are usually bent. The bent condenser tubes take up less space and can better exchange heat. Metal condenser tubes are prone to rebound after bending, so they need to be shaped to ensure that the condenser tubes meet production specifications.
[0003] However, in the existing condenser tube shaping process, the condenser tubes need to be repaired, corrected and shaped one by one. The efficiency of processing one by one is low, which affects the efficiency of the condenser tube correction and shaping. In addition, the shaping processing equipment mainly pulls and pulls the two ends of the condenser tube at the bend. Although it can ensure that the condenser tube meets the production specifications after shaping, simply pulling and pulling from the bends at both ends can easily lead to uneven thickness of the condenser tube, affecting the service life of the condenser tube. Summary of the Invention
[0004] In order to solve the above problems, the present invention provides an automatic shaping device for condenser tubes, which can solve the above-mentioned difficulties.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions: an automatic shaping device for condenser tubes, comprising a shaping frame, a correction mechanism for positioning and repairing the condenser tubes is provided on the shaping frame, and a lifting mechanism is provided on the shaping frame;
[0006] The correction mechanism includes a No. 1 slide and a No. 2 slide that are sequentially staggered and arranged on the shaping frame, a No. 1 correction branch chain and a No. 1 repair branch chain are arranged in the No. 1 slide, a No. 2 correction branch chain and a No. 2 repair branch chain are arranged in the No. 2 slide, a drive control branch chain is arranged in the shaping frame, the No. 1 correction branch chain and the No. 2 correction branch chain are both connected to the drive control branch chain, the No. 1 correction branch chain has the same structure as the No. 2 correction branch chain, the No. 1 repair branch chain has the same structure as the No. 2 repair branch chain, and the shaping frame is provided with an operating branch chain for controlling the synchronous movement of the No. 1 repair branch chain and the No. 2 repair branch chain;
[0007] The first correction branch chain includes a correction bracket slidably arranged in the first slide groove, a circular hole is opened in the middle of the correction bracket, a correction support tube is arranged in the circular hole, support limit components are arranged in sequence from top to bottom in the correction support tube, a driving rod is slidably arranged in the correction support tube, and the driving rod abuts against the driving control branch chain;
[0008] The No. 1 repair branch chain includes a repair frame slidably arranged in the No. 1 slide groove, the repair frame is evenly provided with adjustment operation grooves, an execution repair frame is slidably arranged in the adjustment operation groove, a repair spring is provided between the execution repair frame and the inner wall of the repair frame, a repair operation rod is slidably arranged in the repair frame, a return spring is provided between the repair operation rod and the repair frame, and the lower end of the repair operation rod abuts against the drive control branch chain;
[0009] Preferably, the jacking mechanism includes a jacking frame arranged on the shaping frame, and the jacking frame is evenly provided with a lifting frame, and the lifting frame is a semicircular structure. The lifting frame is attached to the outer wall of the correction support tube during operation, and the outer walls of the front and rear ends of the shaping frame are symmetrically installed with jacking cylinders, and the upper ends of the jacking cylinders are connected to the jacking frame.
[0010] Preferably, the operating branch chain includes a bidirectional motor installed on the outer wall of the shaping frame through a motor seat, a rotating rod is symmetrically arranged on the output shaft of the bidirectional motor, the rotating rod is installed on the fixed seat through a bearing, the fixed seat is arranged on the outer wall of the shaping frame, a worm is arranged on the rotating rod, and fixed clamps are symmetrically installed on the side walls of the shaping frame, a rotating column is arranged between the fixed clamps through bearings, a worm wheel meshing with the worm is arranged on the rotating column, a winding wheel is arranged on the rotating column, a pull rope is arranged on the winding wheel, and the pull rope is connected to the repair frame.
[0011] Preferably, the drive control branch chain includes a drive component arranged on the inner wall of the shaping frame and a control component arranged on the lower end surface of the shaping frame, the control component includes control slots arranged on the shaping frame at equal intervals, a dual-axis motor is provided on the shaping frame through a motor seat, a control screw is symmetrically provided on the output shaft of the dual-axis motor, the control screw is mounted on a vertical plate through a bearing, and the vertical plate is fixed to the shaping frame, the No. 1 correction branch chain and the No. 2 correction branch chain are both provided with a connecting frame, the lower end of the connecting frame is evenly provided with a connecting plate, the connecting plate slides through the control slot, the lower end of the connecting plate is connected to the moving block, and the moving block is connected to the control screw through a threaded transmission;
[0012] Preferably, the driving assembly includes a driving cylinder mounted on the inner wall of the shaping frame, a driving execution plate is mounted on the lower end of the driving cylinder, a lifting slot is provided on the connecting plate, a driving limit frame is provided on the driving execution plate, the driving limit frame is slidably arranged between two lifting slots, a supporting spring rod is provided between the driving limit frame and the shaping frame; the driving rod is slidably connected to the driving limit frame;
[0013] Preferably, the support and limit assembly includes a limit card slot provided on the correction support tube, a limit card frame is slidably provided in the limit card slot, a limit spring rod is provided between the limit card frame and the correction support tube, a stop rod is provided on the limit card frame, a spring is sleeved between the drive rod and the correction support tube, the stop rod is abutted against the drive rod, and the drive rod has a stepped structure, when the drive rod moves upward, the stop rod is squeezed from top to bottom in sequence so that the limit card frame extends out of the limit card slot to limit the placed condenser tube;
[0014] Preferably, shaping cards are symmetrically arranged on the shaping frame, and shaping slots are provided on the shaping cards.
[0015] In summary, this application includes at least one of the following beneficial technical effects:
[0016] In order to ensure the rapid correction and shaping of the condenser tubes, improve the efficiency of the correction and shaping of the condenser tubes, and ensure that the condenser tubes can be effectively shaped, the present invention places the condenser tubes to be shaped on the correction mechanism in turn during the operation, and the placed condenser tubes are uniformly shaped by the correction mechanism. The condenser tubes after the shaping treatment are uniformly taken out from the correction mechanism under the operation of the jacking mechanism. Multiple condenser tubes can be automatically corrected and repaired at a time, and there is no need to manually repair deformed condenser tubes. The shaping operation of the condenser tubes can be completed quickly, and the condenser tubes after correction and shaping can be taken out uniformly, which can save the efficiency of the correction and shaping of the condenser tubes.
[0017] The correction mechanism designed in the present invention performs preliminary shaping and correction on the condenser tube through the mutual cooperation between the No. 1 correction branch chain and the No. 2 correction branch chain during operation, and then performs reciprocating linear repair on the condenser tube through the mutual cooperation between the No. 1 repair branch chain and the No. 2 repair branch chain, so that the thickness of the condenser tube after correction and repair is uniform, and correction and shaping can be performed on multiple condenser tubes at the same time, thereby improving the efficiency of condenser tube shaping. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The present invention will be further described below with reference to the accompanying drawings and examples.
[0019] Figure 1 It is a structural schematic diagram of the present invention;
[0020] Figure 2 is a cross-sectional view of the present invention;
[0021] Figure 3 This invention Figure 1 A local enlarged view of point A;
[0022] Figure 4It is a structural diagram of the shaping frame, the No. 1 correction branch chain, the No. 1 repair branch chain and the jacking mechanism of the present invention;
[0023] Figure 5 is a cross-sectional view of the first corrective branch chain of the present invention;
[0024] Figure 6 is a cross-sectional view of the first repair branch chain of the present invention;
[0025] Figure 7 It is a structural schematic diagram between the jacking frame and the lifting frame of the present invention. DETAILED DESCRIPTION
[0026] The following is combined with Figure 1-7 This application is described in further detail.
[0027] The embodiment of the present application discloses an automatic shaping device for condenser tubes, comprising a shaping frame 1, on which a correction mechanism 2 for positioning and repairing the condenser tubes is provided, and a lifting mechanism 3 is provided on the shaping frame 1;
[0028] By adopting the above technical solution, the condenser tubes to be shaped are placed on the correction mechanism 2 in turn during the specific operation, and the placed condenser tubes are uniformly shaped by the correction mechanism 2. The condenser tubes after the shaping process are uniformly taken out from the correction mechanism 2 under the operation of the lifting mechanism 3. Multiple condenser tubes can be automatically corrected and repaired at a time, and there is no need to manually repair deformed condenser tubes. The shaping operation of the condenser tubes can be completed quickly, and the condenser tubes after correction and shaping can be taken out uniformly, which can save the efficiency of the correction and shaping of the condenser tubes.
[0029] The correction mechanism 2 includes a No. 1 chute and a No. 2 chute which are arranged in sequence and staggered on the shaping frame 1, a No. 1 correction branch chain 21 and a No. 1 repair branch chain 22 are arranged in the No. 1 chute, a No. 2 correction branch chain 23 and a No. 2 repair branch chain 24 are arranged in the No. 2 chute, a drive control branch chain 25 is arranged in the shaping frame 1, the No. 1 correction branch chain 21 and the No. 2 correction branch chain 23 are both connected to the drive control branch chain 25, the No. 1 correction branch chain 21 and the No. 2 correction branch chain 23 have the same structure, the No. 1 repair branch chain 22 and the No. 2 repair branch chain 24 have the same structure, and the shaping frame 1 is provided with an operating branch chain 26 for controlling the synchronous movement of the No. 1 repair branch chain 22 and the No. 2 repair branch chain 24;
[0030] The shaping frame 1 is symmetrically provided with shaping clamping plates 11 , and the shaping clamping plates 11 are provided with shaping slots.
[0031] The condenser to be corrected and shaped is placed on the shaping rack 1 according to regulations, and the No. 1 correction branch chain 21, No. 1 repair branch chain 22, No. 2 repair branch chain 24 and No. 2 correction branch chain 23 are controlled by driving the control branch chain 25 to work synchronously. During the operation, the condenser is positioned by the No. 1 correction branch chain 21 and the No. 2 correction branch chain 23, and then the No. 1 repair branch chain 22 and the No. 2 repair branch chain 24 are controlled to move back and forth to repair the condenser, ensuring that the shaped condenser meets the production requirements.
[0032] The first correction branch chain 21 includes a correction bracket 211 slidably arranged in the first slide groove. A circular hole is opened in the middle of the correction bracket 211. A correction support tube 212 is arranged in the circular hole. Support limit assemblies 213 are arranged in order from top to bottom in the correction support tube 212. A driving rod 214 is slidably arranged in the correction support tube 212, and the driving rod 214 abuts against the driving control branch chain 25.
[0033] The support and limiting assembly 213 includes a limiting card slot provided on the correction support tube 212, a limiting card frame 2131 is slidably provided in the limiting card slot, a limiting spring rod 2132 is provided between the limiting card frame 2131 and the correction support tube 212, a supporting rod 2133 is provided on the limiting card frame 2131, a spring is sleeved between the driving rod 214 and the correction support tube 212, the supporting rod 2133 is abutted against the driving rod 214, and the driving rod 214 has a stepped structure. When the driving rod 214 moves upward, the supporting rod 2133 is squeezed from top to bottom in sequence, so that the limiting card frame 2131 extends out of the limiting card slot to limit the placed condenser tube;
[0034] The No. 1 repair branch chain 22 includes a repair frame 221 slidably arranged in the No. 1 slide groove, the repair frame 221 is evenly provided with adjustment operation grooves, an execution repair frame 222 is slidably arranged in the adjustment operation groove, a repair spring is provided between the execution repair frame 222 and the inner wall of the repair frame 221, a repair operation rod 223 is slidably arranged in the repair frame 221, a return spring is provided between the repair operation rod 223 and the repair frame 221, and the lower end of the repair operation rod 223 abuts against the driving control branch chain 25;
[0035] By adopting the above technical solution, the condenser is placed in accordance with the regulations during the operation, ensuring that the bent position of the condenser is at a position where the correction support tube 212 and the repair frame 221 can work normally. In the process of placing the condenser, the drive control branch chain 25 is started. The drive control branch chain 25 drives the repair operation rod 223 and the drive rod 214 to perform intermittent movement from bottom to top synchronously during the operation. The drive rod 214 squeezes the abutment rod 2133 during the movement. The abutment rod 2133 after being squeezed drives the limit bracket 2131 to extend to the outside of the limit bracket slot, so that the limit bracket 2131 can The outer wall at the bending position is limited and serves the purpose of support, and the execution repair frame 222 is squeezed during the upward movement of the repair operation rod 223, so that the execution repair frame 222 extends toward the outside of the adjustment operation groove to limit the straight part of the condenser tube, ensuring that the execution repair frame 222 can correct the condenser tube during the reciprocating motion, and the limiting bracket 2131 limits the condenser tube and moves and repairs the deformed position through reciprocating motion. The reciprocating motion of the limiting bracket 2131 can simultaneously perform uniform correction and shaping on multiple condenser tubes, thereby improving the efficiency of automatic shaping of the condenser tubes.
[0036] The driving assembly 251 includes a driving cylinder 2511 mounted on the inner wall of the shaping frame 1, a driving execution plate 2512 is mounted on the lower end of the driving cylinder 2511, a lifting slot is provided on the connecting plate 2524, a driving limit frame 2513 is provided on the driving execution plate 2512, the driving limit frame 2513 is slidably disposed between two lifting slots, a supporting spring rod 2514 is provided between the driving limit frame 2513 and the shaping frame 1; the driving rod 214 is slidably connected to the driving limit frame 2513;
[0037] During the process of placing the condensers one by one, the driving cylinder 2511 starts working synchronously. The driving cylinder 2511 drives the driving execution plate 2512 to adjust the position during the operation. The driving execution plate 2512 controls the driving limit frame 2513 to move synchronously. The driving limit frame 2513 adjusts the driving rod 214 and the repair operation rod 223 during the movement operation. By controlling the position of the repair operation rod 223 and the driving rod 214, the placed condensers are limited one by one.
[0038] The driving control branch chain 25 includes a driving component 251 arranged on the inner wall of the shaping frame 1 and a control component 252 arranged on the lower end surface of the shaping frame 1, the control component 252 includes control slots arranged at equal intervals on the shaping frame 1, a dual-axis motor 2521 is provided on the shaping frame 1 through a motor seat, and a control screw 2522 is symmetrically provided on the output shaft of the dual-axis motor 2521, and the control screw 2522 is mounted on a vertical plate through a bearing, and the vertical plate is fixed on the shaping frame 1, the No. 1 correction branch chain 21 and the No. 2 correction branch chain 23 are both provided with a connecting frame 2523, and the lower end of the connecting frame 2523 is evenly provided with a connecting plate 2524, which slides through the control slot, and the lower end of the connecting plate 2524 is connected to the moving block 2525, and the moving block 2525 is connected to the control screw 2522 through a threaded transmission;
[0039] After the condenser is placed, start the dual-axis motor 2521 to drive the control screw 2522 to rotate. During the rotation, the control screw 2522 drives the two moving blocks 2525 to move synchronously in opposite directions. During the movement, the moving blocks 2525 drive the correction support tubes 212 on the No. 1 correction branch chain 21 and the No. 2 correction branch chain 23 to move synchronously through the mutual cooperation between the connecting frame 2523 and the connecting plate 2524. The condenser is preliminarily shaped through the movement of the correction support tube 212 so that the width of the bending position of the condenser can meet the production specifications.
[0040] The operating support chain 26 includes a bidirectional motor 261 installed on the outer wall of the shaping frame 1 through a motor seat, and a rotating rod 262 is symmetrically arranged on the output shaft of the bidirectional motor 261. The rotating rod 262 is installed on the fixed seat through a bearing, and the fixed seat is arranged on the outer wall of the shaping frame 1. A worm 263 is arranged on the rotating rod 262, and fixed clamps are symmetrically installed on the side walls of the shaping frame 1. A rotating column 264 is arranged between the fixed clamps through bearings, and a worm wheel 265 meshing with the worm 263 is arranged on the rotating column 264. A winding wheel 266 is provided on the rotating column 264, and a pull rope 267 is provided on the winding wheel 266. The pull rope 267 is connected to the repair frame 221.
[0041] After the condenser tube has completed the initial correction and shaping, the bidirectional motor 261 is started to synchronously drive the rotating rod 262 to rotate. During the rotation, the rotating rod 262 drives the worm 263 to cooperate with the worm wheel 265 to control the two rotating columns 264 to rotate in the same direction. When the two rotating columns 264 rotate in the same direction, a complete circulation structure is formed by the cooperation of the pull rope 267 and the repair frame 221. When the rotating column 264 starts to rotate, the pull rope 267 is used to pull the repair frame 221 to move in the adjustment operation groove. During the movement, the repair frame 221 synchronously drives the execution repair frame 222 to move and trim the straight part of the condenser tube to ensure that the finished condenser tube will not be deformed, thereby ensuring that the condenser tube can be corrected and shaped quickly and effectively.
[0042] The jacking mechanism 3 includes a jacking frame 31 arranged on the shaping frame 1, and the jacking frame 31 is evenly provided with lifting frames 32. The lifting frames 32 have a semicircular structure. During operation, the lifting frames 32 are attached to the outer wall of the correction support tube 212. The outer walls of the front and rear ends of the shaping frame 1 are symmetrically installed with jacking cylinders 33, and the upper ends of the jacking cylinders 33 are connected to the jacking frame 31.
[0043] After the condenser tubes are shaped, the drive control branch chain 25 is started, and the lifting cylinder 33 is started to drive the lifting frame 32 to move from bottom to top. During the movement, the lifting frame 32 lifts up the condenser tubes that have been corrected and shaped, making it convenient for operators to collect the shaped condenser tubes.
[0044] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims.
Claims
1. A condenser tube automatic shaping device, comprising a shaping frame (1), characterized in that: The shaping frame (1) is provided with a correction mechanism (2) for positioning and repairing the condenser tube, and the shaping frame (1) is provided with a lifting mechanism (3); The correction mechanism (2) includes a No. 1 slide and a No. 2 slide which are staggered and arranged on the shaping frame (1) in sequence. A No. 1 correction branch chain (21) and a No. 1 repair branch chain (22) are arranged in the No. 1 slide, and a No. 2 correction branch chain (23) and a No. 2 repair branch chain (24) are arranged in the No. 2 slide. A driving control branch chain (25) is arranged in the shaping frame (1). The No. 1 correction branch chain (21) and the No. 2 correction branch chain (23) are both connected to the driving control branch chain (25). The No. 1 correction branch chain (21) and the No. 2 correction branch chain (23) have the same structure. The No. 1 repair branch chain (22) and the No. 2 repair branch chain (24) have the same structure. An operating branch chain (26) for controlling the synchronous movement of the No. 1 repair branch chain (22) and the No. 2 repair branch chain (24) is arranged on the shaping frame (1); The first correction branch chain (21) includes a correction bracket (211) slidably arranged in the first slide groove, a circular hole is opened in the middle of the correction bracket (211), a correction support tube (212) is arranged in the circular hole, support limit components (213) are arranged in the correction support tube (212) from top to bottom, a driving rod (214) is slidably arranged in the correction support tube (212), and the driving rod (214) is against the driving control branch chain (25); The No. 1 repair branch chain (22) includes a repair frame (221) slidably arranged in the No. 1 slide groove, the repair frame (221) is evenly provided with adjustment operation grooves, an execution repair frame (222) is slidably arranged in the adjustment operation groove, a repair spring is provided between the execution repair frame (222) and the inner wall of the repair frame (221), a repair operation rod (223) is slidably arranged in the repair frame (221), a return spring is provided between the repair operation rod (223) and the repair frame (221), and the lower end of the repair operation rod (223) is against the driving control branch chain (25).
2. The automatic shaping device for condenser tubes according to claim 1, characterized in that: The jacking mechanism (3) includes a jacking frame (31) arranged on the shaping frame (1), and lifting frames (32) are evenly arranged on the jacking frame (31). The lifting frames (32) are semicircular in structure. During operation, the lifting frames (32) are attached to the outer wall of the correction support tube (212). Lifting cylinders (33) are symmetrically installed on the outer walls of the front and rear ends of the shaping frame (1), and the upper ends of the lifting cylinders (33) are connected to the jacking frame (31).
3. The automatic shaping device for condenser tubes according to claim 2, characterized in that: The operation branch chain (26) comprises a bidirectional motor (261) mounted on the outer wall of the shaping frame (1) via a motor seat, a rotating rod (262) is symmetrically arranged on the output shaft of the bidirectional motor (261), the rotating rod (262) is mounted on a fixed seat via a bearing, the fixed seat is arranged on the outer wall of the shaping frame (1), a worm (263) is arranged on the rotating rod (262), a fixed clamping seat is symmetrically mounted on the side wall of the shaping frame (1), a rotating column (264) is arranged between the fixed clamping seats via a bearing, a worm wheel (265) meshing with the worm (263) is arranged on the rotating column (264), a winding wheel (266) is arranged on the winding wheel (266), a pull rope (267) is arranged on the pull rope (267), and the pull rope (267) is connected to the repair frame (221).
4. The automatic shaping device for condenser tubes according to claim 3, characterized in that: The drive control branch chain (25) includes a drive assembly (251) arranged on the inner wall of the shaping frame (1) and a control assembly (252) arranged on the lower end surface of the shaping frame (1), the control assembly (252) includes control slots arranged on the shaping frame (1) at equal intervals, a double-axis motor (2521) is arranged on the shaping frame (1) through a motor seat, and a control screw (2522) is symmetrically arranged on the output shaft of the double-axis motor (2521), and the control screw (2522) is arranged through the shaft The support is mounted on a vertical plate, and the vertical plate is fixed on the shaping frame (1). The No. 1 correction branch chain (21) and the No. 2 correction branch chain (23) are both provided with a connecting frame (2523), and the lower end of the connecting frame (2523) is evenly provided with a connecting plate (2524), and the connecting plate (2524) slides through the control groove. The lower end of the connecting plate (2524) is connected to the moving block (2525), and the moving block (2525) is connected to the control screw (2522) through a threaded transmission method.
5. The automatic shaping device for condenser tubes according to claim 4, characterized in that: The driving assembly (251) comprises a driving cylinder (2511) mounted on the inner wall of the shaping frame (1); a driving execution plate (2512) is mounted on the lower end of the driving cylinder (2511); a lifting groove is provided on the connecting plate (2524); a driving limit frame (2513) is provided on the driving execution plate (2512); the driving limit frame (2513) is slidably arranged between two lifting grooves; a supporting spring rod (2514) is provided between the driving limit frame (2513) and the shaping frame (1); and the driving rod (214) is slidably connected to the driving limit frame (2513).
6. The automatic shaping device for condenser tubes according to claim 5, characterized in that: The support limit assembly (213) includes a limit card slot provided on the correction support tube (212), a limit card frame (2131) is slidably provided in the limit card slot, a limit spring rod (2132) is provided between the limit card frame (2131) and the correction support tube (212), a supporting rod (2133) is provided on the limit card frame (2131), a spring is provided between the driving rod (214) and the correction support tube (212), the supporting rod (2133) is supported on the driving rod (214), and the driving rod (214) is in a stepped structure. When the driving rod (214) moves upward, the supporting rod (2133) is squeezed from top to bottom in sequence so that the limit card frame (2131) extends out of the limit card slot to limit the placed condenser tube.
7. The automatic shaping device for condenser tubes according to claim 6, characterized in that: The shaping frame (1) is symmetrically provided with shaping cards (11), and the shaping cards (11) are provided with shaping slots.
Citation Information
Patent Citations
Heat exchanger condenser pipe bending forming machining equipment and method
CN113059038A
Bending processing method for S-shaped condensation copper pipe
CN113441634A