Automatic upsetting device for two ends of anti-vibration bar and using method of automatic upsetting device

Abstract

The invention relates to the technical field of upsetting of the ends of anti-vibration bars, in particular to an automatic upsetting device for the two ends of the anti-vibration bars and a using method thereof.The automatic upsetting device comprises a round block and a base plate, the bottom end of the round block is fixedly connected with a fixed base, and the bottom end of the fixed base is connected with a first positioning mechanism through a driving mechanism; a second positioning mechanism is installed at the upper end of the first positioning mechanism, a bar is arranged at the upper end of the second positioning mechanism, a pier pressing unit is installed at the top end of the second positioning mechanism, and a base plate is arranged at the lower end of the pier pressing unit. According to the pier pressing device, the two ends of an anti-vibration bar can be subjected to pier pressing at the same time, in the pier pressing process, only one pier pressing device is controlled, the other pier pressing device can synchronously move to the corresponding position, pier pressing is conducted at the same time, the pier pressing efficiency can be effectively improved, and the pier pressing technology can be effectively optimized.

Description

Technical Field

[0001] The invention relates to the technical field of upsetting the ends of anti-vibration bars, and in particular to an automatic upsetting device for the two ends of an anti-vibration bar and a use method thereof. Background Art

[0002] Steam generator is the main equipment of nuclear island of nuclear power plant. Anti-vibration strip is the key component of steam generator tube bundle. Anti-vibration strip is V-shaped, with end caps at both ends. Anti-vibration strip is inserted between U-shaped tubes of tube bundle to fix U-shaped tubes. The manufacturing accuracy of anti-vibration strip and assembly gap control between anti-vibration strip and U-shaped tube will directly affect the service life of U-shaped tube. The anti-vibration bar body is made of ferrite stainless steel and the end cap is made of nickel-based material. According to the design requirements, after the anti-vibration bar and the end cap are assembled, in order to prevent the end cap from being pulled off, it is necessary to press and fix it at four places on the anti-vibration bar and the end cap. The forging is achieved by the automatic upsetting device at both ends of the anti-vibration bar. Different anti-vibration bars have different V-shaped angles. In the process of pressing different anti-vibration bars, independent pressing at both ends will increase the efficiency of pressing, and the pressing parameters need to be adjusted frequently, resulting in cumbersome pressing process. Therefore, in view of the above problems, an automatic pressing device for the two ends of anti-vibration bars and a use method thereof are proposed. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic upsetting device for the two ends of an anti-vibration bar and a method of using the same, so as to solve the problem that different V-shaped angles of different anti-vibration bars exist. In the process of upsetting different anti-vibration bars, independent upsetting of the two ends will increase the efficiency of upsetting, and the parameters of upsetting need to be adjusted frequently, resulting in a cumbersome upsetting process.

[0004] To achieve the above object, the present invention provides the following technical solutions: A device for automatically upsetting the two ends of an anti-vibration bar and a method for using the device, comprising a round block and a pad, the bottom end of the round block is fixedly connected to a fixed base, the bottom end of the fixed base is connected to a first positioning mechanism through a driving mechanism, the upper end of the first positioning mechanism is equipped with a second positioning mechanism, the upper end of the second positioning mechanism is provided with a bar, a pier pressing unit is installed at the top of the second positioning mechanism, the lower end of the pier pressing unit is provided with a pad, and a controller is installed inside the bottom end of the fixed base; the pier pressing unit comprises a top plate, the bottom end of the top plate is fixedly connected to the bottom plate through a side plate, one side of the side plate is slidably connected to a pier pressing plate, the bottom end of the pier pressing plate is fixedly connected to a pier pressing head, and the inner sides of the four corners of the pier pressing plate are A guide rod is slidingly connected, the upper end of the pier pressure plate is connected to the top plate through a hydraulic push rod, a limiting hole and a positioning groove are provided on the inner side of the upper end of the bottom plate, and a connecting groove is provided on one side of the bottom plate; the first positioning mechanism includes a positioning block, a threaded hole is provided on the inner side of the bottom end of the positioning block, a mounting hole is provided on the inner side of the upper end of the positioning block, a ring plate is welded and fixed in the middle of the mounting hole, and a clockwork spring is installed on the inner side of the ring plate; the second positioning mechanism includes an electric push rod, one end of the electric push rod is fixedly connected to a baffle, the upper end of the baffle close to the electric push rod is fixedly connected to a pressure sensor, the middle of the baffle is fixedly connected to a vertical shaft, and the other end of the electric push rod is fixedly connected to a rubber block.

[0005] As a further optimization of the present invention, the fixed base includes a fixed plate, an upper end hole is opened at the upper end of the fixed plate, a center hole is opened in the middle of the fixed plate, a slide groove is opened at the bottom end of the center hole, the upper end hole, the center hole and the slide groove are connected, and the center hole passes through the fixed plate.

[0006] As a further optimization content of the present invention, the driving mechanism includes a driving motor, a bidirectional threaded screw is fixedly connected to the top end of the driving motor main shaft, the bidirectional threaded screw is installed inside the slide groove, the bidirectional threaded screw is rotationally connected to the fixed plate, and the driving motor housing is fixedly connected to the fixed plate by bolts.

[0007] As a further optimization of the present invention, the bidirectional threaded screw and the positioning block are spirally connected via a threaded hole, and the positioning block is slidably connected to the fixed plate via a sliding groove.

[0008] As a further optimization of the present invention, the interior of the clockwork spring is fixedly connected to the vertical shaft, the bottom end of the vertical shaft is exposed at the lower end of the baffle, the vertical shaft is rotationally connected to the positioning block, and the upper end of the vertical shaft is exposed outside the baffle.

[0009] As a further optimization of the present invention, the vertical section of the center hole is a "cross" shape, the electric push rod is arranged inside the center hole, one end of the electric push rod equipped with a rubber block is slidably connected to the base plate through a connecting groove, and the outside of the rubber block is fixedly connected to the inner wall of the connecting groove.

[0010] As a further optimization of the present invention, the pressure sensor, the drive motor, the hydraulic push rod and the electric push rod are all electrically connected to the controller.

[0011] As a further optimization content of the present invention, the top plate, the pier plate and the bottom plate are parallel to each other, four guide rods are provided, the spacing between the bottom end of the guide rod away from the side plate and the bottom plate is 15 cm, the guide rod away from the side plate corresponds one to one to the limiting hole, and the upper edge of the limiting hole is arc-shaped.

[0012] As a further optimization of the present invention, there are two of each of the pier pressing unit, the first positioning mechanism and the second positioning mechanism, and the pier pressing unit, the first positioning mechanism and the second positioning mechanism are respectively arranged on both sides of the fixed base, and the fixed base and the pad are welded and fixed.

[0013] As further optimized content of the present invention, the following steps are included: Step I: placing the rod at the upper end of the fixed base, preparing for positioning: the bending part of the rod is in close contact with the front end slot of the round block, and then controlling the driving motor to drive the bidirectional threaded screw to rotate, thereby driving the first positioning mechanism and the second positioning mechanism set on both sides of the fixed plate to move toward the edge of the rod at the same time. During the movement, the baffle contacts the edge of the rod through the pressure sensor. When the multiple sensors set on the upper end of the baffle are all in contact with the rod, the baffle will rotate to the same inclination angle as the side of the rod to complete the positioning; Step II: The first positioning mechanism and the second positioning mechanism cooperate to realize the positioning of the bar: the first positioning mechanism and the second positioning mechanism cooperate with each other to move the pier pressing unit to the outside of the bar, and then control the electric push rod to align the end caps set at both ends of the bar with the positioning grooves to realize the positioning of the pier pressing unit; Step III: Control the pier pressing unit to press the end caps at both ends of the rod: After the overall positioning is completed, control the hydraulic push rod to push the pier pressing plate to move downward. During the downward movement of the pier pressing plate, the rod and the end cap are pressed by the pier pressing head. During this process, the two shorter guide rods will enter the limit holes before the pier pressing head contacts the rod, thereby ensuring the stability of the pier pressing head and the pier pressing plate during the downward movement; Step IV: Remove the pressed bars and complete the pressing process: remove the pressed bars from the equipment to complete the pressing process.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, by setting the first positioning mechanism, the second positioning mechanism, the pier pressing unit and the driving mechanism, the angle of the pier pressing device can be adjusted according to the V-shaped angle of the anti-vibration bar, and two pier pressing devices are used for pier pressing at the same time, so that both ends of the anti-vibration bar can be pier pressed at the same time. During the pier pressing process, only one of the pier pressing devices is controlled, so that the other pier pressing device can be synchronously moved to the corresponding position, and pier pressing can be performed at the same time, which can effectively improve the efficiency of pier pressing and effectively optimize the pier pressing process; 2. In the present invention, the first positioning mechanism and the second positioning mechanism are synchronously driven by the bidirectional threaded screw to achieve accurate positioning of both ends of the rod, and the positioning angle can be automatically adjusted in combination with the pressure sensor to ensure the accurate fit between the rod and the equipment. This design simplifies the operation process, reduces manual adjustment errors, improves the positioning accuracy and work efficiency of the equipment, and is particularly suitable for automation requirements in mass production; 3. In the present invention, a structure in which a guide rod cooperates with a limit hole is adopted to ensure the stability of the pier pressing head during operation, thereby avoiding errors caused by vibration or swing of the equipment during the pier pressing process. At the same time, the double pier pressing unit design enables both ends of the bar to be pier pressed at the same time, thereby shortening the processing time and improving the production efficiency. 4. In the present invention, the linkage control between the controller and components such as the pressure sensor, electric push rod, and hydraulic push rod realizes the automated management of the entire pier pressing process. The sensor feedback and automatic reset functions can effectively prevent the equipment from being damaged or causing safety accidents due to improper operation or excessive force. In addition, the automatic reset design of the control rod simplifies the operating steps, making the equipment more convenient and stable, reducing the difficulty of operation, reducing the risk of manual intervention, and improving the safety of the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the fixed base structure of the present invention; Figure 3 It is a schematic diagram of the structure of the driving mechanism of the present invention; Figure 4 It is a schematic diagram of the structure of the pier pressing unit of the present invention; Figure 5 It is a schematic diagram of the structure of the first positioning mechanism of the present invention; Figure 6 This is a schematic diagram of the internal structure of the positioning block of the present invention; Figure 7 It is a schematic diagram of the structure of the second positioning mechanism of the present invention.

[0016] In the figure: 1, fixed base; 11, fixed plate; 12, upper end hole; 13, center hole; 14, slide groove; 2. Round block; 3. Driving mechanism; 31. Driving motor; 32. Bidirectional threaded screw; 4. Pier pressing unit; 41. Top plate; 42. Side plate; 43. Pier pressing plate; 44. Bottom plate; 45. Connecting groove; 46. Hydraulic push rod; 47. Guide rod; 48. Limiting hole; 49. Positioning groove; 410. Pier pressing head; 5. First positioning mechanism; 51. Positioning block; 52. Threaded hole; 53. Mounting hole; 54. Ring plate; 55. Spring spring; 6. Second positioning mechanism; 61. Electric push rod; 62. Vertical shaft; 63. Rubber block; 64. Baffle; 65. Pressure sensor; 7. Pad; 8. Rod; 9. Controller. DETAILED DESCRIPTION

[0017] See also Figure 1-7 , the present invention provides a technical solution: A device for automatically upsetting the two ends of an anti-vibration bar and a method for using the device, comprising a round block 2 and a pad 7, wherein the bottom end of the round block 2 is fixedly connected to a fixed base 1, the bottom end of the fixed base 1 is connected to a first positioning mechanism 5 through a driving mechanism 3, the upper end of the first positioning mechanism 5 is installed with a second positioning mechanism 6, the upper end of the second positioning mechanism 6 is provided with a bar 8, a pier pressing unit 4 is installed at the top end of the second positioning mechanism 6, the lower end of the pier pressing unit 4 is provided with a pad 7, and a controller 9 is installed inside the bottom end of the fixed base 1; the pier pressing unit 4 comprises a top plate 41, the bottom end of the top plate 41 is fixedly connected to a bottom plate 44 through a side plate 42, one side of the side plate 42 is slidably connected to a pier pressing plate 43, the bottom end of the pier pressing plate 43 is fixedly connected to a pier pressing head 410, and the inner sides of the four corners of the pier pressing plate 43 are all slidably connected to guide rods 47 The upper end of the pier pressing plate 43 is connected to the top plate 41 through a hydraulic push rod 46, a limiting hole 48 and a positioning groove 49 are provided on the inner side of the upper end of the bottom plate 44, and a connecting groove 45 is provided on one side of the bottom plate 44; the first positioning mechanism 5 includes a positioning block 51, a threaded hole 52 is provided on the inner side of the bottom end of the positioning block 51, a mounting hole 53 is provided on the inner side of the upper end of the positioning block 51, a ring plate 54 is welded and fixed in the middle of the mounting hole 53, and a clockwork spring 55 is installed on the inner side of the ring plate 54; the second positioning mechanism 6 includes an electric push rod 61, one end of the electric push rod 61 is fixedly connected to a baffle 64, the upper end of the baffle 64 is fixedly connected to a side close to the electric push rod 61, a vertical shaft 62 is fixedly connected in the middle of the baffle 64, and a rubber block 63 is fixedly connected to the other end of the electric push rod 61.

[0018] As a technical solution for further implementation of the present invention, the fixed base 1 includes a fixed plate 11, an upper end hole 12 is opened at the upper end of the fixed plate 11, a center hole 13 is opened in the middle of the fixed plate 11, a slide groove 14 is opened at the bottom of the center hole 13, the upper end hole 12, the center hole 13 and the slide groove 14 are connected, and the center hole 13 passes through the fixed plate 11. Through the fixed base 1 set as above, the first positioning mechanism 5 and the second positioning mechanism 6 can be stably limited; As a technical solution for further implementation of this solution, the driving mechanism 3 includes a driving motor 31, a bidirectional threaded screw 32 is fixedly connected to the top of the main shaft of the driving motor 31, the bidirectional threaded screw 32 is installed inside the slide groove 14, the bidirectional threaded screw 32 is rotatably connected to the fixed plate 11, and the housing of the driving motor 31 is fixedly connected to the fixed plate 11 by bolts. Through the above arrangement, the first positioning mechanism 5 can be driven to move in the required direction; As a further technical solution of this solution, the bidirectional threaded screw 32 is spirally connected to the positioning block 51 through the threaded hole 52, and the positioning block 51 is slidably connected to the fixed plate 11 through the slide groove 14. Through the above arrangement, the two positioning blocks 51 can be driven to move in opposite directions; As a further technical solution of this scheme, the interior of the clockwork spring 55 is fixedly connected to the vertical shaft 62, the bottom end of the vertical shaft 62 is exposed at the lower end of the baffle 64, the vertical shaft 62 is rotatably connected to the positioning block 51, and the upper end of the vertical shaft 62 is exposed outside the baffle 64. Through the above arrangement, the baffle 64 can be reset after the processing is completed; As a further technical solution of this solution, the vertical section of the center hole 13 is a "cross" shape, and the electric push rod 61 is arranged inside the center hole 13. One end of the electric push rod 61 equipped with a rubber block 63 is slidably connected to the bottom plate 44 through a connecting groove 45, and the outer part of the rubber block 63 is fixedly connected to the inner wall of the connecting groove 45, so as to further stably limit the movement of the electric push rod 61; As a technical solution for further implementation of this solution, the pressure sensor 65, the drive motor 31, the hydraulic push rod 46 and the electric push rod 61 are all electrically connected to the controller 9, and the pressure sensor 65, the drive motor 31, the hydraulic push rod 46 and the electric push rod 61 can be regulated by the controller 9; As a further technical solution of this scheme, the top plate 41, the pier pressing plate 43, and the bottom plate 44 are parallel to each other, and four guide rods 47 are provided. The distance between the bottom end of the guide rod 47 away from the side plate 42 and the bottom plate 44 is 15 cm, and the guide rod 47 away from the side plate 42 corresponds to the limiting hole 48 one by one, and the upper edge of the limiting hole 48 is arc-shaped. Through the above arrangement, the stability during the pier pressing process can be improved; As a technical solution for further implementation of this scheme, two pier pressing units 4, first positioning mechanisms 5 and second positioning mechanisms 6 are provided, and the pier pressing units 4, first positioning mechanisms 5 and second positioning mechanisms 6 are respectively arranged on both sides of the fixed base 1, and the fixed base 1 and the pad 7 are welded and fixed. The above arrangement can simultaneously press both ends of the rod 8 during actual use; As a technical solution for further implementation of this scheme, the following steps are included: Step I: Place the rod 8 at the upper end of the fixed base 1 and prepare for positioning: The bending part of the rod 8 is in close contact with the front end slot of the round block 2, and then the driving motor 31 is controlled to drive the bidirectional threaded screw 32 to rotate, thereby driving the first positioning mechanism 5 and the second positioning mechanism 6 set on both sides of the fixed plate 11 to move toward the edge of the rod 8 at the same time. During the movement, the baffle 64 contacts the edge of the rod 8 through the pressure sensor 65. When the multiple sensors 65 set on the upper end of the baffle 64 are all in contact with the rod 8, the baffle 64 will rotate to the same inclination angle as the side of the rod 8 to complete the positioning; Step II: The first positioning mechanism 5 and the second positioning mechanism 6 cooperate to realize the positioning of the rod 8: the first positioning mechanism 5 and the second positioning mechanism 6 cooperate with each other to move the pier pressing unit 4 to the outside of the rod 8, and then control the electric push rod 61 to align the end caps provided at both ends of the rod 8 with the positioning groove 49 to realize the positioning of the pier pressing unit 4; Step III: Control the pier pressing unit 4 to pier the end caps at both ends of the rod 8: After the overall positioning is completed, control the hydraulic push rod 46 to push the pier pressing plate 43 to move downward. During the downward movement of the pier pressing plate 43, the rod 8 and the end cap are pier pressed by the pier pressing head 410. During this process, the two shorter guide rods 47 will enter the limiting holes 48 before the pier pressing head 410 contacts the rod 8, thereby ensuring the stability of the pier pressing head 410 and the pier pressing plate 43 during the downward movement; Step IV: Remove the pressed rod 8 and complete the pressing process: remove the pressed rod 8 from the equipment to complete the pressing.

[0019] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. An automatic upsetting device for the two ends of an anti-vibration bar, comprising a round block (2) and a backing plate (7), characterized in that: The bottom end of the round block (2) is fixedly connected to a fixed base (1); the bottom end of the fixed base (1) is connected to a first positioning mechanism (5) via a driving mechanism (3); a second positioning mechanism (6) is installed on the top end of the first positioning mechanism (5); a rod (8) is provided on the top end of the second positioning mechanism (6); a pier pressing unit (4) is installed on the top end of the second positioning mechanism (6); a pad (7) is provided on the bottom end of the pier pressing unit (4); and a controller (9) is installed inside the bottom end of the fixed base (1); The pier pressing unit (4) comprises a top plate (41), the bottom end of the top plate (41) is fixedly connected to a bottom plate (44) via a side plate (42), one side of the side plate (42) is slidably connected to a pier pressing plate (43), the bottom end of the pier pressing plate (43) is fixedly connected to a pier pressing head (410), the inner sides of the four corners of the pier pressing plate (43) are slidably connected to guide rods (47), the upper end of the pier pressing plate (43) is connected to the top plate (41) via a hydraulic push rod (46), a limiting hole (48) and a positioning groove (49) are provided on the inner side of the upper end of the bottom plate (44), and a connecting groove (45) is provided on one side of the bottom plate (44); The first positioning mechanism (5) comprises a positioning block (51), a threaded hole (52) is provided on the inner side of the bottom end of the positioning block (51), a mounting hole (53) is provided on the inner side of the upper end of the positioning block (51), a ring plate (54) is welded and fixed in the middle of the mounting hole (53), and a spring (55) is installed on the inner side of the ring plate (54); The second positioning mechanism (6) comprises an electric push rod (61), one end of the electric push rod (61) is fixedly connected to a baffle (64), the upper end of the baffle (64) close to the electric push rod (61) is fixedly connected to a pressure sensor (65), the middle of the baffle (64) is fixedly connected to a vertical shaft (62), and the other end of the electric push rod (61) is fixedly connected to a rubber block (63).

2. The automatic upsetting device for both ends of an anti-vibration bar according to claim 1 is characterized in that: The fixed base (1) comprises a fixed plate (11), an upper end hole (12) is formed at the upper end of the fixed plate (11), a center hole (13) is formed in the middle of the fixed plate (11), a slide groove (14) is formed at the bottom end of the center hole (13), the upper end hole (12), the center hole (13) and the slide groove (14) are connected, and the center hole (13) passes through the fixed plate (11).

3. The automatic upsetting device for both ends of an anti-vibration bar according to claim 1 is characterized in that: The driving mechanism (3) comprises a driving motor (31), a bidirectional threaded screw (32) being fixedly connected to the top end of a main shaft of the driving motor (31), the bidirectional threaded screw (32) being installed inside a slide groove (14), the bidirectional threaded screw (32) being rotationally connected to a fixing plate (11), and a housing of the driving motor (31) being fixedly connected to the fixing plate (11) by bolts.

4. An automatic upsetting device for both ends of an anti-vibration bar according to any one of claims 1 and 3, characterized in that: The bidirectional threaded screw (32) and the positioning block (51) are spirally connected via a threaded hole (52), and the positioning block (51) is slidably connected to the fixed plate (11) via a sliding groove (14).

5. The automatic upsetting device for both ends of an anti-vibration bar according to claim 1 is characterized in that: The interior of the clockwork spring (55) is fixedly connected to the vertical shaft (62), the bottom end of the vertical shaft (62) is exposed at the lower end of the square plate (64), the vertical shaft (62) is rotatably connected to the positioning block (51), and the upper end of the vertical shaft (62) is exposed at the outside of the baffle (64).

6. An automatic upsetting device for both ends of an anti-vibration bar according to any one of claims 1 and 2, characterized in that: The vertical cross-section of the central hole (13) is in the shape of a cross. The electric push rod (61) is arranged inside the central hole (13). One end of the electric push rod (61) on which the rubber block (63) is mounted is slidably connected to the bottom plate (44) via a connecting groove (45). The outside of the rubber block (63) is fixedly connected to the inner wall of the connecting groove (45).

7. The automatic upsetting device for both ends of an anti-vibration bar according to claim 1 is characterized in that: The pressure sensor (65), the drive motor (31), the hydraulic push rod (46) and the electric push rod (61) are all electrically connected to the controller (9).

8. The automatic upsetting device for both ends of an anti-vibration bar according to claim 1 is characterized in that: The top plate (41), the pier plate (43), and the bottom plate (44) are parallel to each other. Four guide rods (47) are provided. The distance between the bottom end of the guide rod (47) away from the side plate (42) and the bottom plate (44) is 15 cm. The guide rod (47) away from the side plate (42) corresponds to the limiting hole (48) one by one, and the upper edge of the limiting hole (48) is arc-shaped.

9. The automatic upsetting device for both ends of an anti-vibration bar according to claim 1, characterized in that: The pier pressing unit (4), the first positioning mechanism (5) and the second positioning mechanism (6) are each provided with two, and the pier pressing unit (4), the first positioning mechanism (5) and the second positioning mechanism (6) are respectively arranged on both sides of the fixed base (1), and the fixed base (1) and the pad (7) are fixed by welding.

10. A method for using the automatic upsetting device for both ends of an anti-vibration bar according to any one of claims 1 to 9, characterized in that: The method comprises the following steps: Step I: placing a rod (8) at the upper end of a fixed base (1) and preparing for positioning: the bending part of the rod (8) is tightly attached to the front end slot of the round block (2), and then controlling the driving motor (31) to drive the bidirectional threaded screw (32) to rotate, thereby driving the first positioning mechanism (5) and the second positioning mechanism (6) arranged on both sides of the fixed plate (11) to move toward the edge of the rod (8) at the same time. During the movement, the baffle (64) contacts the edge of the rod (8) through the pressure sensor (65). When the multiple sensors (65) arranged on the upper end of the baffle (64) are all in contact with the rod (8), the baffle (64) will rotate to the same inclination angle as the side of the rod (8), completing the positioning; Step II: Positioning of the rod (8) is achieved by cooperating with the first positioning mechanism (5) and the second positioning mechanism (6): the first positioning mechanism (5) and the second positioning mechanism (6) cooperate with each other to move the pier pressing unit (4) to the outside of the rod (8), and then control the electric push rod (61) to align the end caps provided at both ends of the rod (8) with the positioning grooves (49), thereby achieving positioning of the pier pressing unit (4); Step III: Control the pier pressing unit (4) to pier press the end caps at both ends of the rod (8): After the overall positioning is completed, control the hydraulic push rod (46) to push the pier pressing plate (43) to move downward. During the downward movement of the pier pressing plate (43), the rod (8) and the end cap are pier pressed by the pier pressing head (410). During this process, the two shorter guide rods (47) will enter the limiting holes (48) before the pier pressing head (410) contacts the rod (8), thereby ensuring the stability of the pier pressing head (410) and the pier pressing plate (43) during the downward movement; Step IV: removing the pressed rod (8) and completing the pressing process: removing the pressed rod (8) from the equipment to complete the pressing process.

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