An automated keel punching machine

Abstract

The present application relates to an automated keel punching machine, comprising a punching machine body, a feeding device placed on one side of the punching machine body for conveying keels to the punching machine body; a plurality of positioning devices provided on the punching machine body along the length of the keel processed by the punching machine body, for further conveying and positioning the keel at the punching position of the punching machine body; a receiving device provided on the side of the punching machine body facing away from the feeding device, for receiving the keel and transferring the punched keel away from the punching machine body; a plurality of photoelectric sensors for locating the keel position are provided on the punching machine body along the length of the keel processed by the punching machine body; a PLC controller for controlling the operation of the feeding device, the positioning device, and the receiving device is installed on the punching machine body, and the photoelectric sensors are electrically connected to the PLC controller. The present application improves keel punching efficiency and reduces safety hazards.

Description

Technical Field

[0001] The present application relates to the technical field of punching machines, and in particular to an automated keel punching machine. Background Art

[0002] In national production, stamping technology is more material- and energy-efficient than traditional machining, and is more efficient. Through the application of various molds, it can achieve advantages that traditional machining cannot achieve. The punch presses used in the stamping process are mainly used for sheet metal. Through the use of molds, it can produce blanking, punching, forming, drawing, trimming, fine-blanking, shaping, riveting, and extrusion, etc., resulting in an increasingly wide range of applications.

[0003] The keel is made of light steel and is the main material used for ceilings. During the keel production process, a punch press is required to punch the keel's center hole. The specific operation is that the worker places the keel into the punch die, then retracts the arm, and the punch press begins punching. After the action is completed, the punch press repeats the operation to continuously punch the keel's center hole.

[0004] However, adopting the above production method not only has low production efficiency, but also has certain safety hazards in manually placing the keel. Summary of the Invention

[0005] In order to improve the punching efficiency of the keel and reduce safety hazards, the present application provides an automated keel punching machine.

[0006] The present application provides an automated keel punching machine that adopts the following technical solutions:

[0007] An automated keel punching machine comprises a punching machine body, a feeding device is placed on one side of the punching machine body, the feeding device is used to convey the keel to the punching machine body; a plurality of positioning devices are provided on the punching machine body along the length direction of the keel processed by itself, the positioning devices are used to continue to convey the keel and position it at the punching position of the punching machine body; a receiving device is provided on the side of the punching machine body away from the feeding device, the receiving device is used to receive the keel and transfer the keel after punching away from the punching machine body; a plurality of photoelectric sensors are provided on the punching machine body along the length direction of the keel processed by itself for locating the position of the keel, a PLC controller for controlling the operation of the feeding device, the positioning device and the receiving device is installed on the punching machine body, and the photoelectric sensors are electrically connected to the PLC controller.

[0008] By adopting the above technical solution, the keel to be punched is placed on the feeding device, which then gradually transfers the keel from one side of the punch press into the space between the upper and lower molds of the punch press. When the keel enters most of the molds, it is received by the positioning device and continues to be conveyed, so that the keel can accurately reach the designated position of the punch press. The photoelectric sensor detects that the keel has reached the position and the punching is completed. After the punching is completed, the positioning device and the upper mold are lifted to the specified height. The punch press transfers the keel to the receiving device and transfers it out of the punch press, completing the automatic punching operation of the punch press, improving the punching efficiency of the keel and reducing safety hazards.

[0009] Preferably, the feeding device includes a frame, a vertical support is provided on the frame, and the two ends of the vertical support are rotatably connected with a driving wheel and a driven wheel, and the driving wheel and the driven wheel are provided with a feeding belt; a belt guide rail support plate is also installed on the vertical support, and a plurality of limiting wheels are provided on both sides of the belt guide rail support plate along the transmission direction of the feeding belt.

[0010] By adopting the above technical solution, the most prominent problem during the conveying process of the keel is how to accurately position itself so that the keel does not deflect during the conveying process and can be conveyed between the upper and lower molds of the punch press. Therefore, a limiting wheel is installed on the feed belt to limit the keel on the feed belt. At the same time, the belt guide plate can provide stable support for the feed belt, so that the feed belt can stably and accurately convey the keel to the punch press, eliminating the need for manual feeding, reducing staff labor consumption, and improving stamping efficiency.

[0011] Material toggling mechanism, its both ends are hinged to each other, and each end has a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0012] By adopting the above technical solution, the lifting cylinder drives the upper pressure wheel on the connecting plate to move toward the feed belt, so that the keel entering the feed belt can be restrained on the feed belt in the longitudinal direction by the upper pressure wheel. This makes the position and transmission of the keel on the feed belt more stable, thereby enabling more accurate keel transmission. The provision of the limit adjustment plate and the limit column can limit the distance between the upper pressure wheel and the feed belt, thereby reducing the possibility of the upper pressure wheel damaging the keel.

[0013] Preferably, both ends of the vertical support are provided with a slide groove, a slider is slidably connected in the slide groove, the driving wheel or the driven wheel is rotatably connected to the slider, and both ends of the vertical support are equipped with a tensioning mechanism for driving the slider to slide along the length direction of the slide groove.

[0014] By adopting the above technical solution, the tensioning mechanism can drive the slider to slide along the length direction of the slide groove. The sliding of the slider can adjust the distance between the driving wheel and the driven wheel, thereby facilitating the adjustment of the tightness of the feeding belt on the driving wheel and the driven wheel, and facilitating the installation and disassembly of the tensioning belt.

[0015] Preferably, the tensioning mechanism includes a tensioning plate arranged at the opening of the slide groove, and a tensioning screw is threadedly connected to the tensioning plate. The tensioning screw passes through the tensioning plate toward one end of the slide groove and is rotatably connected to the slider. Two fixing nuts are threadedly connected to the tensioning screw, and the fixing nuts are respectively located on opposite sides of the tensioning plate.

[0016] By adopting the above technical solution, when the tensioning mechanism is used to adjust the tightness of the feeding belt, the tensioning screw is rotated to adjust the depth of the tensioning screw relative to the tensioning plate, thereby driving the slider to slide along the length direction of the slide groove, and then adjusting the distance between the driving wheel and the driven wheel to achieve the adjustment of the tightness of the feeding belt.

[0017] Preferably, the positioning device includes several parallel optical rods mounted on the punch body, at least two optical rods are provided, and a first mounting seat and a second mounting seat are provided on the optical rod, the first mounting seat and the second mounting seat are rotatably connected with a positioning wheel and a positioning pressure wheel respectively, a driving motor for driving the positioning wheel to rotate is installed on the punch body, the positioning wheel abuts against the lower surface of the keel, the second mounting seat is located on the upper side of the first mounting seat and is slidably connected to the optical rod, the second mounting seat is provided with a telescopic cylinder that drives the second mounting seat to slide back and forth along the length direction of the optical rod, and the positioning pressure wheel can abut against the upper surface of the keel under the drive of the telescopic cylinder.

[0018] By adopting the above technical solution, since the feed belt can only transport the keel to the punch press, but cannot accurately position the keel on the punch press, a positioning device is installed between the molds. When the feed belt transports the keel to the positioning device, the telescopic cylinder is activated, driving the second mounting seat to slide toward the first mounting seat along the height direction of the polished rod, so that the positioning pressure wheel abuts against the positioning wheel. Both the positioning wheel and the positioning pressure wheel are rubber wheels with good elasticity. At the same time, the driving motor drives the positioning wheel to rotate, and the positioning wheel drives the positioning pressure wheel to rotate. After the keel enters the gap between the positioning wheel and the positioning pressure wheel, the rotation of the positioning wheel and the positioning pressure wheel continues to transport the keel to the specified position. The rotation of the driving motor is controlled by the PLC controller, so that the keel can be accurately positioned and punched on the punch press under the drive of the positioning device.

[0019] Preferably, a base plate for mounting a polished rod is installed on the punch body, a groove is provided on the base plate, the end of the polished rod is installed in the groove, and a compensating compression spring is provided at the end of the polished rod facing the groove, and the cross section of the compensating compression spring is U-shaped.

[0020] By adopting the above technical solution, the compensating compression spring mounts the polished rod in the slot, with the U-shaped opening of the compensating compression spring positioned away from the bottom of the slot and the end of the light tube. When the punch press presses the keel, the keel exerts downward pressure against the positioning wheel. At this time, the compensating compression spring deforms up and down under the pressure of the polished rod. This maintains the stable installation of the polished rod while allowing the positioning wheel to adjust upward and downward, reducing the possibility of pressure damage to the keel caused by the positioning wheel, which could cause the keel to bend.

[0021] Preferably, the punch body is also equipped with a guide device for cooperating with the positioning device to position the keel, the guide device includes a guide frame arranged at the end of the feeding device and a plurality of first guide wheels arranged on the punch body, the guide frame includes a guide plate installed on the punch body, a plurality of mounting long holes are opened on the guide plate, two wheel axles are detachably connected in the mounting long holes, and a second guide wheel is rotatably connected to the wheel axle, and the first guide wheel and the second guide wheel can both abut on opposite sides of the keel.

[0022] By adopting the above technical solution, the provision of the first guide wheel, in conjunction with the positioning device, can make the position of the keel on the punch press more precise and reduce the deviation of the keel. At the same time, the opening of the installation slot allows the staff to adjust the distance between the two wheel axles located in the same slot according to the width of the keel, thereby facilitating the adjustment of the distance between the second guide wheels on the two wheel axles, so that the keel entering between the punching die can be accurately positioned on the punching press.

[0023] Preferably, the punch body is provided with a limit fixing device at the end facing the material receiving device for limiting the position of the keel, and the limit fixing device includes a fixed base plate arranged on the punch body, a limit plate is hinged on the fixed base plate, and an articulated cylinder is provided on the fixed base plate to drive the limit plate to rotate, and when the limit plate is in the initial state, it can block the forward direction of the keel.

[0024] By adopting the above technical solution, when the keel is fully transported to the designated position on the punch press by the positioning device, the limit plate can be driven by the articulated cylinder to completely block the forward direction of the keel, thereby allowing the keel to reach the designated position of the punch press more accurately. After the punching of the keel is completed, the limit plate is driven by the articulated cylinder to rotate away from the end of the keel, allowing the keel to be transported out of the punch press by the positioning device and the material receiving device, realizing the automated operation of the keel punching.

[0025] Preferably, the punch body is further provided with a spring mechanism for ejecting the keel from the punch body, the spring mechanism includes a plurality of sliding plates arranged on the punch body, the sliding plates are rotatably connected with a lifting plate, the lifting plate is arranged in an arc shape, and the arc-shaped protrusion of the lifting plate is facing the direction of the keel; the punch body is slidably connected with a power plate for driving the lifting plate to rotate, the side wall of the power plate facing the lifting plate is inclined, and when the lifting plate is in the initial position, the end of the lifting plate away from its own rotation point abuts against the inclined surface of the power plate. lowest point; the punch body is provided with a power part that drives the power plate to slide toward the lifting plate; the punch body is also provided with a lifting rod for assisting the lifting plate to lift the keel, one side of the lifting rod is rotatably connected to the punch body, and the other end of the lifting rod is rotatably connected to the lifting rubber wheel, and the punch body is also provided with a supporting cylinder, which is arranged perpendicular to the conveying direction of the keel, and the end of the supporting cylinder can abut against the side wall of the keel, and a receiving belt is provided on the front side of the punch body for receiving and conveying the keel after the material is elastic.

[0026] By adopting the above technical solution, after the keel is stamped on the punch press, the staff can choose the way for the keel to leave the punch press die according to different keels. For example, if both ends of the keel are also stamped by the punch press die to produce a certain three-dimensional shape change, the stamped keel is not suitable for subsequent straight discharge using the material receiving device. At this time, the spring mechanism can be used to eject the keel from the side discharge method of the punch press. When side discharge is used, after the keel is stamped, the positioning pressure wheel and the upper die are lifted to a specified height, the power part is actuated, and the power plate is driven toward the lifting plate for a certain distance. The inclined surface of the power plate supports the lifting rod to rotate, and the rotation of the lifting rod will lift the keel. At the same time, the lifting rubber wheel rotates synchronously to realize multi-point lifting of the keel, thereby reducing damage to the keel when the punch press ejects the material. The ejected keel falls along the sliding plate onto the receiving belt and is finally transmitted out of the punch press to enter the next process.

[0027] In summary, this application has the following beneficial technical effects:

[0028] 1. This application adopts a feeding device to automatically feed the keel, and then the positioning device positions the keel at the designated stamping position on the punch press. After the stamping is completed, the end receiving device can be selected according to the stamping situation of the keel to transfer the keel from the punch press in a straight discharge manner, or the ejection mechanism can be used to eject the keel from the punch press in a side discharge manner. The entire process is an automated operation, which improves the intelligence and labor productivity of the punch press equipment and solves the safety hazards of manual loading.

[0029] 2. The lifting cylinder drives the upper pressing wheel on the connecting plate to move toward the feeding belt, so that the keel entering the feeding belt can be restricted on the feeding belt by the upper pressing wheel in the longitudinal direction, making the position and transmission of the keel on the feeding belt more stable, thereby enabling the keel to be transmitted more accurately. The setting of the limit adjustment plate and the limit column can limit the distance between the upper pressing wheel and the feeding belt, thereby reducing the possibility of the upper pressing wheel damaging the keel;

[0030] 3. The positioning device not only enables the keel to be accurately positioned and punched on the punch press under the drive of the positioning device, but also the setting of the compensating compression spring allows the positioning wheel to have a margin for up and down adjustment while maintaining the stable installation of the polished rod, thereby reducing the possibility of the positioning wheel causing pressure loss on the keel and causing the keel to bend. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present application.

[0032] Figure 2 It is a side view showing the keel structure.

[0033] Figure 3 It is a side view used to reflect the feeding device.

[0034] Figure 4 It is a three-dimensional diagram of the feeding device.

[0035] Figure 5 It is a schematic diagram of the local structure of the tensioning mechanism.

[0036] Figure 6 It is a schematic diagram for reflecting the three-dimensional structure of the positioning device.

[0037] Figure 7 It is a schematic diagram used to reflect the coordination relationship between the polished rod and the compensating compression spring.

[0038] Figure 8 It is a side view used to show the upper limit keel on the guide frame.

[0039] Figure 9 It is a top view used to reflect the guide plate structure.

[0040] Figure 10 It is a side view used to reflect the structure of the limiting fixing device.

[0041] Figure 11 It is a schematic diagram used to reflect the coordination relationship between the lifting plate and the power plate.

[0042] Figure 12 It is a schematic diagram used to reflect the structure of the lifting plate.

[0043] Figure 13 It is a schematic diagram used to reflect the coordination relationship between the lifting rod and the supporting cylinder.

[0044] In the figure, 1. feeding device; 11. frame; 12. vertical support; 121. slide; 122. slider; 123. driving wheel; 124. driven wheel; 125. feeding belt; 126. belt guide rail support plate; 127. limiting wheel; 13. mounting base; 14. tensioning mechanism; 141. tensioning plate; 142. tensioning screw; 143. fixing nut; 15. power motor; 16. connecting plate; 17. rotating plate; 18. upper pressure wheel; 19. limiting adjustment plate; 191. waist-shaped long hole; 192. limiting column; 193. lifting cylinder; 2. punch body; 21. workbench; 22. upper mold; 23. lower mold; 3. material receiving device; 4. positioning device; 41. polished rod; 411. first mounting seat; 4111, positioning wheel; 412. Second mounting seat; 4121. Positioning pressure wheel; 42. Bottom plate; 421. Embedded groove; 422. Compensating compression spring; 43. Driving motor; 44. Telescopic cylinder; 5. Material spring mechanism; 51. Sliding plate; 52. Lifting plate; 521. Anti-slip block; 53. Power plate; 531. Sliding groove; 532. Anti-slip groove; 54. Power part; 55. Lifting rod; 56. Vertical pole; 57. Rotating motor; 58. Lifting rubber wheel; 59. Supporting cylinder; 6. Photoelectric sensor; 7. Keel; 8. Guide device; 81. Guide frame; 811. Guide plate; 812. Mounting long hole; 813. Wheel axle; 814. Second guide wheel; 82. First guide wheel; 9. Limit fixing device; 91. Fixed bottom plate; 92. Limit plate; 93. Articulated cylinder. DETAILED DESCRIPTION

[0045] The present application is further described in detail below with reference to the accompanying drawings.

[0046] Reference Figure 1 and Figure 2 , an embodiment of the present application discloses an automated keel punching machine, which includes, from left to right, a feeding device 1, a punching machine body 2 and a material receiving device 3. A workbench 21 is provided in the middle of the punching machine body 2. The workbench 21 is arranged parallel to the horizontal plane and is arranged along the length direction of the punching machine body 2. Ten groups of stamping forming dies for stamping the keel 7 are evenly installed on the punching machine body 2 along its own length direction, and the dies in the same group are divided into an upper die 22 and a lower die 23. The lower die 23 is installed on the workbench 21.

[0047] Three positioning devices 4 are provided on the workbench 21. The three positioning devices 4 are interspersed and installed between adjacent lower molds 23. At the same time, a spring mechanism 5 for ejecting the keel 7 from the punch body 2 is provided on the workbench 21 with the lower molds 23 as intervals. Four photoelectric sensors 6 for locating the position of the keel 7 are provided on the punch body 2 along the length direction of the keel 7 processed by itself. Two of the photoelectric sensors 6 are located between different groups of molds, and the photoelectric sensors 6 are located near the two ends of the punch body 2. The other two photoelectric sensors 6 are located at the head and tail ends of the punch body 2 respectively. The positions of the above-mentioned photoelectric sensors 6 are intended to determine the position of the keel 7 on the punch body 2. In other embodiments, the photoelectric sensors 6 can have different positions, which is not limited to this. At the same time, a PLC controller is installed on the punch body 2 to control the operation of the upper mold 22, the feeding device 1, the positioning device 4, the material receiving device 3 and the material ejecting mechanism 5, and the photoelectric sensor 6 is electrically connected to the PLC controller, so that the PLC controller can determine the position of the keel 7 according to the photoelectric sensor 6 to operate and coordinate between various devices and mechanisms, thereby improving the intelligence of the punch body 2 equipment.

[0048] Reference Figure 2 and Figure 3 In the embodiment of the present application, the keel 7 is T-shaped, and there are two situations for the stamping operation of the keel 7, one of which is to stamp only the middle hole, and the other is to stamp the middle hole and the end head. During stamping, the feeding device 1 is used to convey the keel 7 to the punch body 2, and the positioning device 4 is used to continue to convey and position the keel 7 at the stamping position of the punch body 2. Then the upper mold 22 moves toward the lower mold 23 to complete the stamping of the middle hole and the end head of the keel 7. For the keel 7 that is only punching the middle hole, the material receiving device 3 is used for subsequent straight discharge; for the keel 7 that is punching the middle hole and the end head, it is not convenient to perform straight discharge, so the material ejection mechanism 5 is used to eject the keel 7, so that the keel 7 is separated from the punch body 2, so that the punch body 2 has multiple discharge methods, thereby improving applicability.

[0049] Reference Figure 4 and Figure 5The feeding device 1 includes a frame 11 placed on the ground. A vertical support 12 is provided on the frame 11. The vertical support 12 is arranged perpendicular to the horizontal plane. A mounting base 13 is fixedly connected to the side wall of the vertical support 12 facing the frame 11. The mounting base 13 is connected to the frame 11 via countersunk screws (not shown in the figure). A slide groove 121 is formed at both ends of the vertical support 12. The slide groove 121 is formed along the length of the vertical support 12. A slider 122 is slidably connected within the slide groove 121. A driving wheel 123 and a driven wheel 124 are rotatably connected to the sliders 122 at both ends of the vertical support 12. A tensioning mechanism 14 is installed at both ends of the vertical support 12 to drive the slider 122 to slide along the length of the slide groove 121. The tensioning mechanism 14 includes a tensioning plate 141 fixedly connected to the opening of the chute 121. A tensioning screw 142 is threadedly connected to the tensioning plate 141. The tensioning screw 142 passes through the tensioning plate 141 and is rotatably connected to the slider 122 toward one end of the chute 121. Two fixing nuts 143 are threadedly connected to the tensioning screw 142, and the fixing nuts 143 are located on opposite sides of the tensioning plate 141. By rotating the tensioning screw 142, the depth of the tensioning screw 142 relative to the penetration of the tensioning plate 141 is adjusted, thereby driving the slider 122 to slide along the length of the chute 121, thereby adjusting the distance between the driving wheel 123 and the driven wheel 124. After the adjustment is completed, the tensioning screw 142 is stably fixed to the tensioning plate 141 by the two fixing nuts 143.

[0050] Reference Figure 4 and Figure 5 A power motor 15 is installed on the frame 11 to drive the driving wheel 123. The power motor 15 and the driving wheel 123 are connected to each other via a transmission belt (not shown in the figure). A feed belt 125 is sleeved between the driving wheel 123 and the driven wheel 124. A belt guide rail support 126 is also fixedly connected to the vertical support 12. The belt guide rail support 126 is arranged along the length of the belt and is located below the feed belt 125 driven by the supporting keel 7 to increase the supporting force of the feed belt 125 and improve stability. Four sets of limiting wheels 127 are evenly arranged on both sides of the belt guide rail support 126 along the transmission direction of the feed belt 125. Each set of limiting wheels 127 is provided with two, and the two limiting wheels 127 in the same group can respectively abut against opposite sides of the keel 7, thereby stably limiting the keel 7 on the belt. The power motor 15 is activated to drive the driving wheel 123 to rotate, thereby driving the feeding belt 125 to transport the keel 7.

[0051] Reference Figure 4 and Figure 5A connecting plate 16 is arranged parallel to the vertical support 12, and the connecting plate 16 and the vertical support 12 are connected by four rotating plates 17 arranged parallel to each other. The two ends of the rotating plate 17 are hinged to the connecting plate 16 and the vertical support 12 respectively, and the rotating plate 17 is inclined to the conveying direction of the feeding belt 125, so that the connecting plate 16, the rotating plate 17 and the vertical support 12 form a parallelogram structure, so that the connecting plate 16 can move toward the vertical support 12. Four upper pressing wheels 18 are provided on the connecting plate 16 along its own length direction. The four upper pressing wheels 18 are opposite to the four rotating plates 17 one by one, and the upper pressing wheels 18 are rotatably connected to the rotating plates 17 through a rotating shaft. The upper pressing wheels 18 are arranged coplanar with the driving wheel 123, and the upper pressing wheels 18 are located directly above the feeding belt 125, so that the upper pressing wheels 18 can abut against the upper surface of the keel 7 during the transmission of the keel 7, thereby limiting the keel 7 in the height direction, further improving the conveying stability of the keel 7 on the feeding belt 125, reducing the deviation of the keel 7, and thus improving the subsequent punching accuracy of the keel 7.

[0052] Reference Figure 4 and Figure 5 A limit adjustment plate 19 is fixedly installed on the vertical support 12. The limit adjustment plate 19 is vertically arranged relative to the workbench 21, and a waist-shaped long hole 191 is opened on the limit adjustment plate 19 along its own length direction. The waist-shaped long hole 191 is slidingly connected to the limit column 192. The diameter of the limit column 192 is smaller than the width of the waist-shaped long hole 191, and the limit column 192 is vertically fixed to the connecting plate 16. When the connecting plate 16 is lifted up and down, its lifting height will be limited by the waist-shaped long hole 191 and the limit column 192, thereby reducing the possibility of the upper pressure wheel 18 damaging the keel 7. At the same time, a lifting cylinder 193 is provided on the limit adjustment plate 19 to drive the connecting plate 16 to rise and fall relative to the belt guide support plate 126. The two ends of the lifting cylinder 193 are hinged to the limit adjustment plate 19 and the connecting plate 16 respectively. The lifting cylinder 193 is arranged at an angle with respect to the conveying direction of the feed belt 125, and the tilt direction of the lifting cylinder 193 is opposite to that of the rotating plate 17. The lifting cylinder 193 drives the upper pressure wheel 18 on the connecting plate 16 to move toward the feed belt 125, thereby facilitating the staff to adjust the distance between the upper pressure wheel 18 and the feed belt 125 to accommodate the conveying of keels 7 of different thicknesses.

[0053] Reference Figure 6 and Figure 7The positioning device 4 includes two parallel polished rods 41 mounted on the punch press body 2. A base plate 42 for mounting the polished rods 41 is fixedly mounted on the workbench 21. The base plate 42 is parallel to the workbench 21 and perpendicular to the base plate 42. The base plate 42 defines two slots 421, within which the ends of the polished rods 41 are mounted. A compensating spring 422 is fixed to the end of the polished rod 41 facing the slot 421. The compensating spring 422 has a U-shaped cross-section. The compensating spring 422 secures the polished rod 41 within the slot 421. The U-shaped opening of the compensating spring 422 faces away from the bottom of the slot 421 and the end of the light pipe. The sidewall of the compensating spring 422 facing the bottom of the slot 421 is detachably connected to the base plate 42 via bolts. The openings of the two compensating springs 422 face away from each other, allowing them to compensate for the installation position of the polished rod 41 and reduce the installation accuracy of the polished rod 41.

[0054] Reference Figure 6 and Figure 7 The polished rod 41 is provided with a first mounting seat 411 and a second mounting seat 412, which are rotatably connected to a positioning wheel 4111 and a positioning pressure wheel 4121, respectively. The first mounting seat 411 is fixedly connected to the polished rod 41. A drive motor 43 is mounted on the punch body 2 to drive the positioning wheel 4111. The output shaft of the drive motor 43 passes through the first mounting seat 411 and is detachably connected to the positioning wheel 4111. The output shaft of the drive motor 43 is rotatably connected to the first mounting seat 411. The positioning wheel 4111 abuts against the lower surface of the keel 7, the second mounting seat 412 is located on the upper side of the first mounting seat 411 and is slidingly connected to the light rod 41, and two telescopic cylinders 44 are installed on the second mounting seat 412 to drive the second mounting seat 412 to slide back and forth along the length direction of the light rod 41. The telescopic cylinder 44 is arranged parallel to the light rod 41, and the tail of the cylinder body of the telescopic cylinder 44 is fixedly connected to the second mounting seat 412, and the end of the piston rod of the telescopic cylinder 44 is fixedly connected to the upper side of the base plate 42. The positioning pressure wheel 4121 can abut against the upper surface of the keel 7 under the drive of the telescopic cylinder 44.

[0055] Before the feeding belt 125 is about to convey the keel 7 to the positioning device 4, the telescopic cylinder 44 is actuated to drive the second mounting seat 412 to slide along the height direction of the polished rod 41 toward the first mounting seat 411, so that the positioning pressure wheel 4121 abuts against the positioning wheel 4111. Both the positioning wheel 4111 and the positioning pressure wheel 4121 are rubber wheels with good elasticity. At the same time, the driving motor 43 is actuated to drive the positioning wheel 4111 to rotate. The positioning wheel 4111 drives the positioning pressure wheel 4121 to rotate, and the keel 7 enters between the positioning wheel 4111 and the positioning pressure wheel 4121. After the gap between the keel 7 and the upper mold 22 and the lower mold 23 is formed, the rotation of the positioning wheel 4111 and the positioning pressure wheel 4121 continues to transmit the keel 7 to the specified position, and the rotation of the drive motor 43 is controlled by the PLC controller, so that the keel 7 can be accurately positioned and punched on the punch press under the drive of the positioning device 4, and during the punching process, the compensating compression spring 422 can buffer the pressure on the keel 7 when the upper mold 22 and the lower mold 23 punch the keel 7, thereby reducing the possibility of the keel 7 being bent due to the pressure loss of the upper mold 22 and the positioning wheel 4111.

[0056] The most prominent problem in the process of conveying the keel 7 is how to accurately position itself so that the keel 7 does not deflect during the conveying process and the keel 7 can be conveyed between the upper and lower molds 23 of the punch press. Figure 1 and Figure 8 The punch body 2 is also equipped with a guide device 8 for cooperating with the positioning device 4 to position the keel 7. The guide device 8 includes a guide frame 81 provided at the end of the feeding device 1 and two first guide wheels 82 provided on the punch body 2. The first guide wheel 82 is located on one side of the conveying track of the keel 7, and the first guide wheel 82 cooperates with the positioning device 4 to abut against one side of the keel 7, thereby assisting the positioning device 4 in locating the conveying track of the keel 7.

[0057] Reference Figure 8 and Figure 9 The guide frame 81 includes a guide plate 811 mounted on the punch body 2 via bolts. The guide plate 811 is a rectangular plate with two long mounting holes 812 formed therein. The direction in which the long mounting holes 812 are opened is perpendicular to the conveying direction of the keel 7. Two axles 813 are detachably connected to the long mounting holes 812. The second guide wheels 814 are rotatably connected to the axles 813. The first guide wheel 82 and the second guide wheel 814 can both abut on opposite sides of the keel 7. Through the same long mounting hole 812, the staff can adjust the spacing between the two axles 813, thereby adjusting the spacing between the two second guide wheels 814 located in the same long mounting hole 812 to accommodate the conveying of keels 7 of different widths.

[0058] Reference Figure 1 and Figure 10In order to more accurately position the keel 7 on the workbench 21, a limiting fixture 9 is provided at the end of the workbench 21 to limit the position of the keel 7. The limiting fixture 9 includes a fixed base plate 91 provided on the punch body 2, a limiting plate 92 hingedly connected to the fixed base plate 91, and an articulated cylinder 93 that drives the limiting plate 92 to rotate. One end of the articulated cylinder 93 is articulated to the fixed base plate 91, and the other end of the articulated cylinder 93 is articulated to the side wall of the limiting plate 92. In the initial state, the limiting plate 92 is arranged perpendicular to the workbench 21, and the height of the limiting plate 92 is sufficient to block the forward direction of the keel 7 when it is in the vertical state. When the keel 7 is fully transported to the designated position on the punch press by the positioning device 4, the limiting plate 92 can completely block the forward direction of the keel 7 under the drive of the articulated cylinder 93, thereby allowing the keel 7 to reach the designated position of the punch press more accurately. After the punching and opening of the keel 7 is completed, the limit plate 92 is driven by the articulated cylinder 93 to rotate away from the end of the keel 7, so that the keel 7 can be transported out of the punch press under the drive of the positioning device 4 and the material receiving device 3 (the structure of the material receiving device 3 is similar to that of the feeding device 1, and the only difference is the length and size, which will not be repeated here), thereby realizing the automated operation of the punching of the keel 7.

[0059] Reference Figure 1 and Figure 11The spring mechanism 5 includes four slide plates 51 provided on the punch body 2, one side of the slide plate 51 is provided with an inclined surface, which facilitates the keel 7 to slide out of the punch body 2. Two of the slide plates 51 are rotatably connected to a lifting plate 52, which is arc-shaped, and the arc-shaped protrusion of the lifting plate 52 faces the direction of the keel 7. When the lifting plate 52 is in the initial position, the upper side of the lifting plate 52 is flush with the upper side of the lower mold 23, which does not affect the normal transmission of the keel 7; the punch body 2 is slidably connected to a power plate 53 for driving the lifting plate 52 to rotate, and the side wall of the power plate 53 facing the lifting plate 52 is provided with an inclined surface; the end of the lifting plate 52 away from itself and the rotation point of the slide plate 51 abuts on the inclined surface of the power plate 53, and a sliding groove 531 for the lifting plate 52 to slide is provided on the inclined surface of the power plate 53; and in order to make The operation of the lifting plate 52 is more stable, and an anti-slip groove 532 is opened between the opposite side walls in the sliding groove 531, and the anti-slip groove 532 is opened along the length direction of the sliding groove 531; the opposite sides of the lifting plate 52 are fixed with anti-slip blocks 521 that can be inserted into the anti-slip groove 532 and slide, and the anti-slip block 521 is located at the end of the lifting plate 52 away from the rotation point between itself and the sliding plate 51; the workbench 21 on the punch body 2 is fixed with a power part 54 that drives the power plate 53 to slide toward the lifting plate 52. In this embodiment, the power part 54 is a rodless cylinder, which is located at the bottom of the power plate 53, and the power block of the rodless cylinder is fixed to the bottom side wall of the power plate 53. When the rodless cylinder drives the power plate 53 to move toward the lifting plate 52, the end of the lifting plate 52 is gradually rotated and lifted toward the keel 7 under the support of the inclined surface of the power plate 53, thereby lifting the keel 7 away from the lower mold 23 and allowing the keel 7 to slide out of the punch body 2 along the inclined surface of the sliding plate 51.

[0060] Reference Figure 1 and Figure 12In order to improve the speed and stability of the keel 7 popping out of the punch body 2, a lifting rod 55 is provided at the other two sliding plates 51 on the punch body 2 to assist the lifting plate 52 in lifting the keel 7. One side of the lifting rod 55 is rotatably connected to the punch body 2 via a vertical rod 56. The vertical rod 56 is vertically fixed to the side wall of the workbench 21. The end of the lifting rod 55 is rotatably connected to the vertical rod 56. A rotating motor 57 is provided on the other side of the vertical rod 56 to drive the lifting rod 55 to rotate. The other end of the lifting rod 55 is rotatably connected to a lifting rubber wheel 58; when the lifting rubber wheel 58 is in the initial position, it is located on the lower side of the keel 7. After the keel 7 is stamped, the rotating motor 57 is activated to drive the lifting rod 55 to rotate. The rotation of the lifting rod 55 causes the lifting rubber wheel 58 to pop the keel 7 out of the lower mold 23. A supporting cylinder 59 is also vertically fixed to the vertical rod 56. The supporting cylinder 59 is arranged perpendicular to the conveying direction of the keel 7, and the end of the supporting cylinder 59 can abut against the side wall of the keel 7. When the keel 7 lifts the rubber wheel 58 and pops out of the lower mold 23, the supporting cylinder 59 is actuated to push the keel 7 out of the punch body 2. A receiving belt (not shown in the figure) is provided on the front side of the punch body 2 to receive and convey the keel 7 after the material is ejected, thereby facilitating the transportation of the keel 7 after the material is ejected.

[0061] When side discharge is used, after the keel 7 is stamped, the positioning pressure wheel 4121 and the upper mold 22 are lifted to a specified height, and the power part 54 is actuated to drive the power plate 53 toward the lifting plate 52. The inclined surface of the power plate 53 supports the lifting rod 55 to rotate. The rotation of the lifting rod 55 will lift the keel 7. At the same time, the lifting rubber wheel 58 rotates synchronously to realize the lifting action of the keel 7 at multiple points, thereby reducing the damage to the keel 7 when the punch press ejects the material. The ejected keel 7 falls along the sliding plate 51 onto the receiving belt and is finally transmitted out of the punch press to enter the next process.

[0062] The implementation principle of an automated keel 7 punching machine according to an embodiment of the present application is as follows: the keel 7 to be punched is placed on the feeding device 1, and then the feeding device 1 gradually transfers the keel 7 from one side of the punching machine to between the upper and lower molds 23 of the punching machine. When the keel 7 enters most of the molds, it will be received by the positioning device 4 and continue to be transferred, so that the keel 7 can accurately reach the designated position of the punching machine. The photoelectric sensor 6 detects that the keel 7 has reached the position and the punching is completed. After the punching is completed, the positioning device 4 and the upper mold 22 are lifted to the designated height together. The punching machine transfers the keel 7 to the receiving device 3 and sends it out of the punching machine or the material is fed by the feeding mechanism 5, completing the automatic punching operation of the punching machine, improving the punching efficiency of the keel 7 and reducing safety hazards.

[0063] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An automated keel punching machine, comprising a punching machine body (2), characterized in that: A feeding device (1) is placed on one side of the punch body (2), and the feeding device (1) is used to convey the keel (7) to the punch body (2); a plurality of positioning devices (4) are provided on the punch body (2) along the length direction of the keel (7) processed by itself, and the positioning devices (4) are used to continue conveying the keel (7) and position it at the punching position of the punch body (2); a receiving device (3) is provided on the side of the punch body (2) away from the feeding device (1), and the receiving device (3) is used to receive the keel (7) at the punching position of the punch body (2). The device (3) is used to receive the keel (7) and transfer the keel (7) after punching away from the punching machine body (2); a plurality of photoelectric sensors (6) for positioning the position of the keel (7) are provided on the punching machine body (2) along the length direction of the keel (7) processed by the punching machine body (2); a PLC controller for controlling the operation of the feeding device (1), the positioning device (4), and the receiving device (3) is installed on the punching machine body (2); the photoelectric sensors (6) are electrically connected to the PLC controller; The positioning device (4) comprises a plurality of parallel light rods (41) mounted on the punch body (2), wherein at least two light rods (41) are provided, and a first mounting seat (411) and a second mounting seat (412) are provided on the light rod (41), wherein the first mounting seat (411) and the second mounting seat (412) are respectively rotatably connected to a positioning wheel (4111) and a positioning pressure wheel (4121), and a driving wheel (4111) for driving the positioning wheel (4121) to rotate is installed on the punch body (2). The motor (43) is driven, the positioning wheel (4111) is in contact with the lower surface of the keel (7), the second mounting seat (412) is located on the upper side of the first mounting seat (411) and is slidably connected to the light rod (41), the second mounting seat (412) is equipped with a telescopic cylinder (44) that drives the second mounting seat (412) to slide back and forth along the length direction of the light rod (41), and the positioning pressure wheel (4121) can be in contact with the upper surface of the keel (7) under the drive of the telescopic cylinder (44); A bottom plate (42) for mounting a polished rod (41) is mounted on the punch body (2), an embedding groove (421) is provided on the bottom plate (42), an end of the polished rod (41) is mounted in the embedding groove (421), and a compensating compression spring (422) is provided at the end of the polished rod (41) facing the embedding groove (421), and the cross section of the compensating compression spring (422) is U-shaped; The punch body (2) is also provided with a spring mechanism (5) for ejecting the keel (7) from the punch body (2), and the spring mechanism (5) includes a plurality of sliding plates (51) provided on the punch body (2), and the sliding plates (51) are rotatably connected to a lifting plate (52), and the lifting plate (52) is arranged in an arc shape, and the arc-shaped protrusion of the lifting plate (52) faces the direction of the keel (7); the punch body (2) is slidably connected to a power plate (53) for driving the lifting plate (52) to rotate, and the side wall of the power plate (53) is inclined toward the lifting plate (52), and when the lifting plate (52) is in the initial position, the end of the lifting plate (52) away from its own rotation point abuts against the lowest point of the inclined surface of the power plate (53) point; a power member (54) for driving the power plate (53) to slide toward the lifting plate (52) is provided on the punch body (2); a lifting rod (55) for assisting the lifting plate (52) in lifting the keel (7) is also provided on the punch body (2); one side of the lifting rod (55) is rotatably connected to the punch body (2), and the other end of the lifting rod (55) is rotatably connected to a lifting rubber wheel (58); a supporting cylinder (59) is also provided on the punch body (2), and the supporting cylinder (59) is arranged perpendicular to the conveying direction of the keel (7), and the end of the supporting cylinder (59) can abut against the side wall of the keel (7), and a receiving belt for receiving and conveying the keel (7) after the material is ejected is provided on the front side of the punch body (2).

2. The automated keel punching machine according to claim 1, characterized in that: The feeding device (1) comprises a frame (11), a vertical support (12) is provided on the frame (11), a driving wheel (123) and a driven wheel (124) are rotatably connected at both ends of the vertical support (12), and a feeding belt (125) is provided on the driving wheel (123) and the driven wheel (124); a belt guide rail support plate (126) is also installed on the vertical support (12), and a plurality of limiting wheels (127) are provided on both sides of the belt guide rail support plate (126) along the transmission direction of the feeding belt (125).

3. The automated keel punching machine according to claim 2, characterized in that: The vertical support (12) is provided with a connecting plate (16), and a plurality of upper pressing wheels (18) are provided on the connecting plate (16) along its own length direction. The connecting plate (16) and the vertical support (12) are connected by a plurality of rotating plates (17) arranged in parallel with each other. The two ends of the rotating plate (17) are respectively hinged to the connecting plate (16) and the vertical support (12), and the rotating plate (17) is inclined to the conveying direction of the feeding belt (125); a limit adjustment plate (19) is provided on the vertical support (12), and the limit adjustment plate (19) is provided with a waist-shaped long hole (191) along its own length direction. The waist-shaped long hole (191) ) is slidably connected to a limiting column (192) in the inner portion, the diameter of the limiting column (192) is smaller than the width of the waist-shaped long hole (191), and one end of the limiting column (192) is arranged on the connecting plate (16), and a lifting cylinder (193) is arranged on the limiting adjustment plate (19) for driving the connecting plate (16) to rise and fall relative to the belt guide rail support plate (126), the two ends of the lifting cylinder (193) are respectively hinged to the limiting adjustment plate (19) and the connecting plate (16), the lifting cylinder (193) is arranged to be inclined with respect to the conveying direction of the feeding belt (125), and the inclination direction of the lifting cylinder (193) is opposite to that of the rotating plate (17).

4. The automated keel punching machine according to claim 2, characterized in that: Both ends of the vertical support (12) are provided with a sliding groove (121), a slider (122) is slidably connected in the sliding groove (121), the driving wheel (123) or the driven wheel (124) is rotatably connected to the slider (122), and both ends of the vertical support (12) are equipped with a tensioning mechanism (14) for driving the slider (122) to slide along the length direction of the sliding groove (121).

5. The automated keel punching machine according to claim 4, characterized in that: The tensioning mechanism (14) includes a tensioning plate (141) arranged at the opening of the slide groove (121), a tensioning screw (142) being threadedly connected to the tensioning plate (141), the tensioning screw (142) passing through the tensioning plate (141) and rotatably connected to the slider (122) at one end toward the slide groove (121), and two fixing nuts (143) being threadedly connected to the tensioning screw (142), and the fixing nuts (143) are respectively located on opposite sides of the tensioning plate (141).

6. An automated keel punching machine according to any one of claims 1 to 5, characterized in that: The punch body (2) is also provided with a guide device (8) for cooperating with the positioning device (4) to position the keel (7). The guide device (8) comprises a guide frame (81) arranged at the end of the feeding device (1) and a plurality of first guide wheels (82) arranged on the punch body (2). The guide frame (81) comprises a guide plate (811) mounted on the punch body (2). The guide plate (811) is provided with a plurality of mounting long holes (812). Two wheel shafts (813) are detachably connected in the mounting long holes (812). A second guide wheel (814) is rotatably connected to the wheel shaft (813). The first guide wheel (82) and the second guide wheel (814) can both abut on opposite sides of the keel (7).

7. The automated keel punching machine according to claim 1, characterized in that: The punch body (2) is provided with a limiting fixing device (9) at the end facing the material receiving device (3) for limiting the position of the keel (7). The limiting fixing device (9) comprises a fixed base plate (91) provided on the punch body (2). A limiting plate (92) is hingedly connected to the fixed base plate (91). A hinged cylinder (93) is provided on the fixed base plate (91) for driving the limiting plate (92) to rotate. When the limiting plate (92) is in an initial state, it can block the forward direction of the keel (7).

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