Wire feeding device of welded wire mesh machine

Abstract

The invention relates to the technical field of welded wire mesh machines, in particular to a welded wire mesh machine wire feeding device which comprises a mounting table, the two ends of the mounting table are fixedly connected with a longitudinal feeding frame and a discharging frame respectively, the other end of the longitudinal feeding frame is fixedly connected with a supporting plate, and the other end of the discharging frame is fixedly connected with supporting legs; and the welding mechanism comprises a plurality of electrode tips and a plurality of electrode bottom plates which are used for welding. A detection loop and a control loop are integrated through a PLC, a resistance signal of a detection mechanism and feedback of a pressure sensor are received in real time, the action sequence of an electric telescopic rod, a motor and other components is dispatched in a unified mode, longitudinal wire feeding, transverse wire feeding, welding and discharging links form closed-loop linkage through mechanical coupling (such as one-way gear transmission), and the welding quality is improved. The whole-process operation can be completed without manual intervention, time loss and errors of manual operation are avoided, and the production efficiency is remarkably improved.

Description

Technical Field

[0001] The invention relates to the technical field of electric mesh welding machines, and in particular to a wire feeding device for electric mesh welding machines. Background Art

[0002] In modern industrial production, metal mesh, as an important structural and functional component, is widely used in many fields such as construction, metallurgy, chemical industry, aerospace, and electronic equipment. From protective mesh and filter mesh in the construction field to shielding mesh in electronic equipment, from screening mesh in the metallurgical industry to special structural mesh in the aerospace field, the demand for metal mesh is not only large in quantity, but also has increasingly higher requirements for its precision, strength, and welding quality.

[0003] Existing electric wire mesh welding machines need to complete the steps of longitudinal wire feeding, transverse wire feeding, welding, and discharge in sequence during welding. However, in the existing technology, longitudinal / transverse wire feeding either relies on manual operation or can only achieve semi-automatic loading through manual intervention. It is impossible to achieve automatic linkage control of the entire process according to the real-time status of the production process (such as metal wire position, welding progress, discharge feedback, etc.), resulting in low production efficiency and large errors. Summary of the Invention

[0004] In response to the above-mentioned shortcomings of the existing technology, the present invention provides a wire feeding device for an electric welding mesh machine, which can effectively solve the problem that the existing technology cannot realize the automatic linkage loading, welding and discharging of the entire process according to the real-time status of the production process.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: The present invention provides a wire feeding device for an electric welding mesh machine, comprising: A mounting platform, wherein both ends of the mounting platform are fixedly connected to a longitudinal loading frame and a discharging frame, respectively, the other end of the longitudinal loading frame is fixedly connected to a support plate, and the other end of the discharging frame is fixedly connected to a support leg; A welding mechanism, the welding mechanism comprising a plurality of electrode heads and a plurality of electrode bottom plates for welding, wherein the plurality of electrode heads and the plurality of electrode bottom plates correspond vertically one to one up and down; A longitudinal wire feeding mechanism, comprising a feed drum that reciprocates transversely along the mounting platform, a longitudinal discharge roller being rotatably disposed in the feed drum, and a plurality of longitudinal material storage grooves being formed in a circumferential array on the outer peripheral wall of the longitudinal discharge roller; A transverse wire feeding mechanism, comprising a transverse feed roller for transverse wire feeding, wherein a plurality of transverse material storage grooves are formed in a circumferential array on the outer peripheral wall of the transverse feed roller; The discharging mechanism includes two symmetrical net-pulling hooks that move back and forth longitudinally along the mounting platform.

[0006] Preferably, the welding mechanism also includes a protective cover fixedly connected to the top of the mounting platform, a sliding groove is provided at the top of the protective cover, and a control head is slidably connected to the inner wall of the sliding groove, a plurality of electrode heads are fixed in a linear array at the bottom end of the control head, and a plurality of electrode base plates are fixed in a linear array at the top of the mounting platform, and two symmetrical first electric telescopic rods are fixedly connected to the top of the protective cover, and the telescopic ends of the two first electric telescopic rods are fixedly connected to a connecting plate, and the connecting plate is fixedly connected to the outer wall of the control head, and a limiting column is fixedly connected between every two electrode base plates.

[0007] Preferably, it also includes a detection mechanism, which includes a plurality of fixed frames fixedly connected to the top of the mounting table, the center extension line of each of the fixed frames coincides with the center extension line of the electrode bottom plate, the inner peripheral wall of the fixed frame is symmetrically provided with a slide groove, the inner walls of the slide groove are respectively slidably connected to two symmetrical sliders, a conveying wheel is rotatably arranged between the two sliders corresponding to the upper and lower positions, and the opposite sides of the two sliders at the bottom are fixedly connected to push plates, a return spring is fixedly connected between the push plates and the inner peripheral wall of the fixed frame, the inner wall of the slide groove at the bottom is fixedly connected to a resistor plate, the outer wall of one of the sliders at the bottom is fixedly connected to an L-shaped conductive sheet, the L-shaped conductive sheet is in sliding contact with the resistor plate, the L-shaped conductive sheet and the resistor plate constitute a sliding rheostat, and the sliding rheostat is electrically connected to a PLC controller to form a detection circuit.

[0008] Preferably, the longitudinal wire feeding mechanism includes two symmetrical mounting plates fixedly connected to the side walls of the protective cover, wherein the outer wall of one of the mounting plates is fixedly connected to the first motor, the output end of the first motor is fixedly connected to the threaded rod, the outer wall of the threaded rod is threadedly sleeved with a connecting block, the outer wall of the connecting block is fixedly connected to a connecting column, the outer wall of the connecting column is fixedly connected to the outer wall of the feed barrel, the outer wall of the support plate is provided with a movable groove, the inner wall of the movable groove is fixedly connected to the movable block, the outer wall of the movable block is rotatably connected to a rotating rod, the other end of the rotating rod rotates through the outer wall of the feed barrel and is rotatably connected to the inner wall of the feed barrel, the longitudinal unloading roller is fixedly sleeved on the outer wall of the rotating rod, the outer wall of the rotating rod outside the feed barrel is fixedly connected to the first one-way gear, the outer wall of the support plate is fixedly connected to the first tooth plate, and the first one-way gear is meshed with the first tooth plate.

[0009] Preferably, the inner top wall and the lower bottom wall of the feed barrel are respectively provided with a wire inlet and a lower wire outlet, the top end of the feed barrel is fixedly connected to a first wire storage box, the inner bottom wall of the first wire storage box is provided with a connecting port, and the connecting port is communicated with the wire inlet.

[0010] Preferably, the top of the longitudinal loading frame is fixedly connected to a placing block, and a reciprocating screw and a limit rod are rotatably connected between the support plate and the mounting table. The outer wall of the mounting table is fixedly connected to a second motor for driving the reciprocating screw, and the outer wall of the reciprocating screw is sleeved with a reciprocating plate, and the reciprocating plate and the limit rod slide through. The top of the reciprocating plate is fixedly connected to a plurality of placing push blocks, and the center extension lines of each of the placing push blocks, the placing block and the electrode base plate coincide with each other. A telescopic slot is provided at the top of the mounting table, and two symmetrical second electric telescopic rods are fixedly connected to the inner wall of the telescopic slot, and the telescopic end of the second electric telescopic rod is fixedly connected to an alignment block.

[0011] Preferably, the transverse wire feeding mechanism also includes a second wire storage box fixedly connected to the outer wall of the protective cover, a rotating rod is rotatably connected between the protective covers, the longitudinal unloading roller is sleeved on the outer wall of the rotating rod, a wire outlet is opened at the bottom end of the second wire storage box, the bottom of the wire outlet is fixedly connected with an inclined lower wire shell, the inclined lower wire shell is inclined toward the direction of the transverse material storage trough, and two symmetrical third electric telescopic rods are fixedly connected to the inner wall of the opposite side of the protective cover, the telescopic end of the third electric telescopic rod is fixedly connected with a wire pushing plate, the inner wall of the wire pushing plate is embedded with a first pressure sensor, the PLC controller is electrically connected to the first pressure sensor and the third electric telescopic rod to form a control loop, the inner wall of the protective cover is fixedly connected with an inclined plate, and the inclined plate is used to transport the metal wire from the transverse material storage trough to the electrode bottom plate.

[0012] Preferably, the discharging mechanism also includes a discharging trough opened on the inner wall on the opposite side of the discharging frame, the inner wall of the discharging trough is fixedly connected to a second tooth plate, the inner wall of the discharging trough is slidably connected to an N-shaped frame, the inner wall on the opposite side of the N-shaped frame is rotatably connected to a two-way gear, the two-way gear is meshed with the second tooth plate, the outer walls of the two N-shaped frames are fixedly connected to a third motor for driving the two-way gear, the opposite sides of the two third motors are commonly fixedly connected to a mounting bar, the top of the mounting bar is provided with a rotating groove, the outer wall of the mounting bar is fixedly connected to a fourth motor, the output end of the fourth motor is fixedly connected to a rotating shaft, the net hook is sleeved on the outer wall of the rotating shaft, the inner wall of the discharging frame is embedded with a second pressure sensor, the PLC controller is electrically connected to the second pressure sensor, the first motor, the second motor, the third motor, and the fourth motor to form a first start-stop circuit, the PLC controller is electrically connected to the first electric telescopic rod and the second electric telescopic rod to form a second start-stop circuit.

[0013] Preferably, two symmetrical pulling grooves are opened at the top of the discharge frame, the inner wall of the pulling groove is slidably connected with a pulling block, the bottom end of the pulling block is fixedly connected to the top of the N-shaped frame, the top of the pulling block is fixedly connected with a third gear plate, and the outer wall of the rotating rod is provided with two symmetrical second one-way gears, the second one-way gear is engaged with the third gear plate, and the teeth of the third gear plate are facing upwards.

[0014] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: 1. The detection circuit and control circuit are integrated through the PLC controller, which receives the resistance signal of the detection mechanism and the feedback of the pressure sensor in real time, and uniformly schedules the action sequence of the electric telescopic rod, motor and other components. The longitudinal wire feeding, transverse wire feeding, welding, and discharging links form a closed loop through mechanical coupling (such as one-way gear transmission). The whole process can be completed without human intervention, avoiding the time loss and error of manual operation, and significantly improving production efficiency.

[0015] 2. The longitudinal wire feeding is driven by the first motor to move the feed barrel horizontally. The engagement of the first one-way gear and the tooth plate enables the longitudinal unloading roller to rotate in one direction, accurately feeding the metal wire. When resetting, the one-way gear prevents the roller shaft from reversing to prevent the metal wire from retreating. After wire feeding, the second electric telescopic rod pushes the alignment block to calibrate the position of the metal wire. Its inclined top pushes the metal wire to the side wall of the push block, and then the reciprocating screw drives the push block to complete automatic laying. No manual placement and positioning are required throughout the process, which simplifies the loading process and reduces errors.

[0016] 3. When the discharge mechanism pulls the metal mesh, the third tooth plate at the top of the pulling block engages with the second one-way gear, driving the rotating rod to drive the horizontal discharge roller to rotate, so that the wire feeding action is synchronized with the discharge progress. The start and stop time of the third motor is preset to pull a grid distance, ensuring that intermittent wire feeding accurately matches the production rhythm. No additional power source is required to complete horizontal wire feeding. Through mechanical transmission coupling, efficient energy utilization is achieved, reducing equipment energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0018] Figure 1 Schematic diagram of the three-dimensional structure of the present invention Figure 1 ; Figure 2 Schematic diagram of the three-dimensional structure of the present invention Figure 2 ; Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the feed barrel of the present invention; Figure 4 The cross-sectional three-dimensional structure of the present invention is shown in FIG. Figure 1 ; Figure 5 The cross-sectional three-dimensional structure of the present invention is shown in FIG. Figure 2 ; Figure 6 It is a partial cross-sectional three-dimensional structural schematic diagram of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the detection mechanism of the present invention.

[0019] Reference numerals: 1, mounting platform; 2, longitudinal loading frame; 3, discharging frame; 4, support plate; 5, supporting legs; 6, welding mechanism; 61, electrode head; 62, electrode bottom plate; 63, protective cover; 64, sliding groove; 65, control head; 66, first electric telescopic rod; 67, connecting plate; 68, limiting column; 7, detection mechanism; 71, fixing frame; 72, sliding groove; 73, slider; 74, conveying wheel; 75, Push plate; 76, return spring; 77, resistor plate; 78, L-shaped conductive sheet; 8, longitudinal wire feeding mechanism; 81, feed barrel; 82, longitudinal unloading roller; 83, longitudinal material storage trough; 84, mounting plate; 85, first motor; 86, threaded rod; 87, connecting block; 88, moving groove; 89, moving block; 810, rotating rod; 811, first one-way gear; 812, first tooth plate; 813, wire inlet; 814, Alignment block; 815, first wire storage box; 816, placement block; 817, reciprocating screw rod; 818, limit rod; 819, second motor; 820, reciprocating plate; 821, placement push block; 822, telescopic slot; 823, second electric telescopic rod; 824, lower wire mouth; 9, horizontal wire feeding mechanism; 91, horizontal feed roller; 92, horizontal storage slot; 93, second wire storage box; 94, rotating rod; 95, wire push plate ; 96. Inclined lower wire shell; 97. Third electric telescopic rod; 10. Discharging mechanism; 101. Net hook; 102. Discharging trough; 103. Second tooth plate; 104. N-shaped frame; 105. Bidirectional gear; 106. Third motor; 107. Mounting bar; 108. Rotating groove; 109. Fourth motor; 1010. Second one-way gear; 1011. Pull groove; 1012. Pull block; 1013. Third tooth plate. DETAILED DESCRIPTION

[0020] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0021] The present invention will be further described below with reference to the embodiments.

[0022] Example: Refer to Figures 1 to 7 , a wire feeding device for a welding mesh machine, comprising: The mounting platform 1 has a longitudinal loading frame 2 and a discharging frame 3 fixedly connected at both ends thereof, a support plate 4 fixedly connected at the other end of the longitudinal loading frame 2, and a support leg 5 fixedly connected at the other end of the discharging frame 3; The welding mechanism 6 includes a plurality of electrode heads 61 and a plurality of electrode bottom plates 62 for welding, wherein the plurality of electrode heads 61 and the plurality of electrode bottom plates 62 correspond vertically one to one in the upper and lower parts; The welding mechanism 6 also includes a protective cover 63 fixedly connected to the top of the mounting platform 1. A sliding groove 64 is provided at the top of the protective cover 63. The inner wall of the sliding groove 64 is slidably connected to a control head 65. A plurality of electrode heads 61 are fixed in a linear array at the bottom end of the control head 65. A plurality of electrode base plates 62 are fixed in a linear array at the top of the mounting platform 1. Two symmetrical first electric telescopic rods 66 are fixedly connected to the top of the protective cover 63. The telescopic ends of the two first electric telescopic rods 66 are fixedly connected to a connecting plate 67. The connecting plate 67 is fixedly connected to the outer wall of the control head 65. A limiting column 68 is fixedly connected between every two electrode base plates 62.

[0023] The cam 72 is a kind of fixed frame 71, and the cam 72 of the cam 72 is a kind of fixed frame 71. The cam 72 is a kind of fixed frame 71. The cam 72 is a kind of fixed frame 71. The cam 72 is a kind of fixed frame 71. The cam 72 is a kind of fixed frame 71. The cam 72 is a kind of fixed frame 71. The cam 72 is a kind of fixed frame 71. The cam 72 is a kind of fixed frame 71. The cam 72 is a kind of fixed frame 71. The cam 72 is a kind of fixed frame 71. The cam 72 is a kind of fixed frame 71.

[0024] The longitudinal wire feeding mechanism 8 includes a feed drum 81 that reciprocates transversely along the mounting platform 1. A longitudinal discharge roller 82 is rotatably provided in the feed drum 81. A plurality of longitudinal material storage grooves 83 are formed in a circumferential array on the outer peripheral wall of the longitudinal discharge roller 82. The longitudinal wire feeding mechanism 8 includes two symmetrical mounting plates 84 fixedly connected to the side walls of the protective cover 63, wherein the outer wall of one of the mounting plates 84 is fixedly connected to a first motor 85, and the output end of the first motor 85 is fixedly connected to a threaded rod 86, and the outer wall of the threaded rod 86 is threadedly sleeved with a connecting block 87, and the outer wall of the connecting block 87 is fixedly connected to a connecting column, and the outer wall of the connecting column is fixedly connected to the outer wall of the feed barrel 81, and the outer wall of the support plate 4 is provided with a movable groove 88, and the inner wall of the movable groove 88 is fixedly connected to a movable block 89, and the outer wall of the movable block 89 is rotatably connected to a rotating rod 810, and the other end of the rotating rod 810 rotates through the outer wall of the feed barrel 81 and is rotatably connected to the inner wall of the feed barrel 81, and the longitudinal unloading roller 82 is fixedly sleeved on the outer wall of the rotating rod 810, and the outer wall of the rotating rod 810 outside the feed barrel 81 is fixedly connected to a first one-way gear 811, and the outer wall of the support plate 4 is fixedly connected to a first tooth plate 812, and the first one-way gear 811 is meshed with the first tooth plate 812.

[0025] The inner top wall and lower bottom wall of the feed barrel 81 are respectively provided with a wire feed port 813 and a lower wire port 824 . The top of the feed barrel 81 is fixedly connected to a first wire storage box 815 . The inner bottom wall of the first wire storage box 815 is provided with a connecting port which is communicated with the wire feed port 813 .

[0026] The top of the longitudinal loading frame 2 is fixedly connected with a placement block 816, and a reciprocating screw 817 and a limit rod 818 are rotatably connected between the support plate 4 and the mounting platform 1. The outer wall of the mounting platform 1 is fixedly connected with a second motor 819 for driving the reciprocating screw 817, and the outer wall of the reciprocating screw 817 is sleeved with a reciprocating plate 820, and the reciprocating plate 820 and the limit rod 818 slide through. The top of the reciprocating plate 820 is fixedly connected with a plurality of placement push blocks 821, and the center extension lines of each placement push block 821, the placement block 816, and the electrode bottom plate 62 coincide with each other. A telescopic slot 822 is provided at the top of the mounting platform 1, and the inner wall of the telescopic slot 822 is fixedly connected with two symmetrical second electric telescopic rods 823, and the telescopic end of the second electric telescopic rod 823 is fixedly connected with an alignment block 814.

[0027] A transverse wire feeding mechanism 9 includes a transverse feed roller 91 for transverse wire feeding, and a plurality of transverse material storage grooves 92 are formed in a circumferential array on the outer peripheral wall of the transverse feed roller 91; The transverse wire feeding mechanism 9 also includes a second wire storage box 93 fixedly connected to the outer wall of the protective cover 63, and a rotating rod 94 is rotatably connected between the protective cover 63. The longitudinal unloading roller 82 is sleeved on the outer wall of the rotating rod 94. A wire outlet is opened at the bottom end of the second wire storage box 93, and the bottom of the wire outlet is fixedly connected to an inclined lower wire shell 96. The inclined lower wire shell 96 is inclined toward the direction of the transverse storage groove 92. Two symmetrical third electric telescopic rods 97 are fixedly connected to the inner wall of the opposite side of the protective cover 63. The telescopic end of the third electric telescopic rod 97 is fixedly connected to a wire pushing plate 95. The inner wall of the wire pushing plate 95 is embedded with a first pressure sensor. The PLC controller is electrically connected to the first pressure sensor and the third electric telescopic rod 97 to form a control loop. The inner wall of the protective cover 63 is fixedly connected to an inclined plate. The inclined plate is used to transport the metal wire from the transverse storage groove 92 to the electrode bottom plate 62.

[0028] The discharging mechanism 10 includes two symmetrical net-pulling hooks 101 that reciprocate longitudinally along the mounting platform 1; The discharge mechanism 10 also includes a discharge trough 102 opened on the inner wall of the opposite side of the discharge frame 3, the inner wall of the discharge trough 102 is fixedly connected to the second tooth plate 103, the inner wall of the discharge trough 102 is slidably connected to the N-shaped frame 104, the inner wall of the opposite side of the N-shaped frame 104 is rotatably connected to the bidirectional gear 105, the bidirectional gear 105 is meshed with the second tooth plate 103, the outer walls of the two N-shaped frames 104 are fixedly connected to the third motor 106 for driving the bidirectional gear 105, the opposite side of the two third motors 106 are fixedly connected to the mounting bar 107, the mounting bar 107 A rotating groove 108 is provided at the top, and the outer wall of the mounting bar 107 is fixedly connected to the fourth motor 109, and the output end of the fourth motor 109 is fixedly connected to the rotating shaft. The net hook 101 is sleeved on the outer wall of the rotating shaft, and the inner wall of the discharge frame 3 is embedded with a second pressure sensor. The PLC controller is electrically connected to the second pressure sensor, the first motor 85, the second motor 819, the third motor 106, and the fourth motor 109 to form a first start-stop circuit. The PLC controller is electrically connected to the first electric telescopic rod 66 and the second electric telescopic rod 823 to form a second start-stop circuit.

[0029] Two symmetrical pulling grooves 1011 are provided at the top of the discharge frame 3, and the inner wall of the pulling groove 1011 is slidably connected with a pulling block 1012, the bottom end of the pulling block 1012 is fixedly connected to the top of the N-shaped frame 104, and the top of the pulling block 1012 is fixedly connected to the third gear plate 1013. The outer wall of the rotating rod 94 is provided with two symmetrical second one-way gears 1010, and the second one-way gear 1010 is engaged with the third gear plate 1013, and the teeth of the third gear plate 1013 are facing upwards.

[0030] The working principle of the present invention is as follows: The metal wire to be processed is placed in the first wire storage box 815 and the second wire storage box 93. The equipment is started, the PLC controller is in standby mode, and the various electric telescopic rods, motors, and other components are ready. The interval length of each step is pre-tested and input into the PLC controller (excluding the detection circuit and the first and second pressure sensor tests).

[0031] Next, the longitudinal wire feeding process begins. The metal wire in the first wire storage box 815 enters the feed drum 81 through the connecting port and the wire inlet 813, and falls into the longitudinal storage slot 83 on the outer wall of the longitudinal discharge roller 82. The first motor 85 is activated, which drives the threaded rod 86 to rotate, and through the connecting block 87 and the connecting column, drives the feed drum 81 to move horizontally along the mounting platform 1. When the feed drum moves to the end, the preset program controls the first motor 85 to drive in the reverse direction, causing the feed drum to reset. Due to the one-way meshing characteristics of the first one-way gear 811 and the first tooth plate 812 (similar to a ratchet mechanism), the longitudinal discharge roller 82 will not rotate in the reverse direction when the feed drum resets, preventing the metal wire from retreating. Since the first one-way gear 811 on the outer wall of the longitudinal discharge roller 82 is engaged with the first tooth plate 812 on the outer wall of the support plate 4, when the feed cylinder 81 moves horizontally, the first one-way gear 811 rolls on the first tooth plate 812, further driving the longitudinal discharge roller 82 to rotate, and the metal wires in the longitudinal storage trough 83 are sequentially sent out from the lower wire mouth 824, and the sent metal wires fall on the placement block 816 and the placement push block 821 at the top of the mounting table 1, and then the second electric telescopic rod 823 is started to push the alignment block 814 to move upward (the top of the alignment block 814 is inclined, sloping downward from the end away from the placement block 816 toward the end close to the placement block 816, and the bottom is a straight surface), thereby calibrating the position of the metal wire (making one end of the metal wire rest against the side wall of the placement push block 821); Then start the second motor 819 to drive the reciprocating screw rod 817 to rotate, so that the reciprocating plate 820 moves back and forth horizontally along the mounting table 1 under the limit of the limit rod 818, and the placement push block 821 at the top of the reciprocating plate 820 passes the metal wire on the placement block 816 through the two conveying wheels 74 in the same fixed frame 71, and then pushes it into the electrode bottom plate 62 to complete the laying of the longitudinal metal wire. When the processing starts for the first time (only when the processing starts), the metal wire is pushed forward by the placement push block 821 (the distance of each push is also pre-set). After the first metal wire is loaded, the metal wire is pulled by the discharge mechanism 10 to complete the processing and welding.

[0032] During this process, the detection mechanism 7 operates synchronously. When the metal wire passes through the conveying wheels 74, the distance between the conveying wheels 74 will increase, and then the lower slider 73 will drive the L-shaped conductive sheet 78 to slide on the resistor plate 77 to change the resistance value. The signal is transmitted to the PLC controller to determine whether the metal wire transportation and position are normal. If there is any abnormality, it will be adjusted in time. During subsequent operation, if it is detected that the resistance value returns to normal, the metal wire is completely moved out from between the two conveying wheels 74, so new metal wire needs to be supplemented, and then the above process is repeated for longitudinal loading.

[0033] After completing the longitudinal wire feeding, the transverse wire feeding link is entered (the power source for the transverse wire feeding is in the discharge mechanism 10), and the metal wire in the second wire storage box 93 falls into the transverse storage groove 92 on the outer peripheral wall of the transverse discharge roller 91 through the wire outlet and the inclined lower wire shell 96. The metal wire is caused to fall on the inclined plate by the rotation of the transverse discharge roller 91, and then the metal wire is transported to the electrode bottom plate 62. The metal wire is then prevented from shifting in position by the limiting column 68, so that it is laid crosswise with the metal wire longitudinally laid on the electrode bottom plate 62, and then the two third electric telescopic rods 97 are started, thereby pushing the alignment block 814 to extrude the metal wire, and then secondary positioning is performed. When the two first pressure sensors sense the pressure change, the electrical signal is transmitted to the PLC controller, and the two third electric telescopic rods 97 are controlled to be retracted by the PLC controller, and then the first electric telescopic rod 66 is started, and then welding is controlled by the PLC controller.

[0034] The first electric telescopic rod 66 is started by the PLC controller, and the control head 65 is driven to move downward along the sliding groove 64 at the top of the protective cover 63 through the connecting plate 67, so that the electrode head 61 fixed at the bottom end of the control head 65 is in contact with the electrode bottom plate 62 at the top of the mounting platform 1, and the intersection is welded to complete the welding of one grid of the metal mesh. After the welding is completed, the first electric telescopic rod 66 drives the electrode head 61 to reset, and the above wire feeding and welding steps are repeated until the entire metal mesh is welded.

[0035] First, the fourth motor 109 is started, which drives the mesh hook 101 to rotate and hook the welded metal mesh through the rotating shaft. The third motor 106 is started, which drives the bidirectional gear 105 to rotate. Since the bidirectional gear 105 is engaged with the second tooth plate 103 on the inner wall of the discharge chute 102, it drives the N-shaped frame 104 to move longitudinally along the mounting platform 1 in the discharge chute 102, thereby driving the mounting bar 107 and the mesh hook 101 to move. Driven by the third motor 106, the mesh hook 101 pulls the metal mesh along the discharge chute 102 and pulls it out of the discharge frame 3 (the start and stop time of the third motor 106 is preset to just be enough to pull the metal mesh a distance of one mesh grid); At the same time, when the hook 101 moves, the second one-way gear 1010 on the outer wall of the rotating rod 94 engages with the third tooth plate 1013 on the top of the pulling block 1012, driving the rotating rod 94 to rotate, so that the horizontal feeding roller 91 can intermittently feed wire and prepare for the next production cycle.

[0036] When the mounting bar 107 moves to the end of the discharge frame 3, the mounting bar 107 will squeeze the second pressure sensor. At this time, the second pressure sensor will send an electrical signal to the PLC controller, and then the PLC controller will control the third motor 106 and the fourth motor 109 to reverse, so that the net hook 101 no longer hooks the metal mesh, and the mounting bar 107 is moved to the initial position by reversing the third motor 106 (in this process, the second one-way gear 1010 and the first one-way gear 811 have the same function), and then restart the fourth motor 109 to make the net hook 101 hook the metal mesh again for unloading.

[0037] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A wire feeding device for a welding mesh machine, characterized in that: include: A mounting platform (1), wherein both ends of the mounting platform (1) are fixedly connected to a longitudinal loading frame (2) and a discharging frame (3), the other end of the longitudinal loading frame (2) is fixedly connected to a support plate (4), and the other end of the discharging frame (3) is fixedly connected to a support leg (5); A welding mechanism (6), the welding mechanism (6) comprising a plurality of electrode heads (61) and a plurality of electrode bottom plates (62) for welding, wherein the plurality of electrode heads (61) and the plurality of electrode bottom plates (62) correspond vertically one to one in an upper and lower direction; A longitudinal wire feeding mechanism (8), the longitudinal wire feeding mechanism (8) comprising a feed drum (81) that moves back and forth transversely along the mounting platform (1), a longitudinal discharge roller (82) being rotatably arranged in the feed drum (81), and a plurality of longitudinal material storage grooves (83) being provided in a circumferential array on the outer peripheral wall of the longitudinal discharge roller (82); A transverse wire feeding mechanism (9), the transverse wire feeding mechanism (9) comprising a transverse feed roller (91) for transverse wire feeding, wherein a plurality of transverse material storage grooves (92) are provided in a circumferential array on an outer peripheral wall of the transverse feed roller (91); A discharging mechanism (10) comprises two symmetrical net-pulling hooks (101) that reciprocate longitudinally along the mounting platform (1).

2. A wire feeding device for welding mesh machine according to claim 1, characterized in that: The welding mechanism (6) further comprises a protective cover (63) fixedly connected to the top of the mounting platform (1), a sliding groove (64) is provided at the top of the protective cover (63), a control head (65) is slidably connected to the inner wall of the sliding groove (64), a plurality of electrode heads (61) are fixed in a linear array at the bottom end of the control head (65), a plurality of electrode base plates (62) are fixed in a linear array at the top of the mounting platform (1), two symmetrical first electric telescopic rods (66) are fixedly connected to the top of the protective cover (63), the telescopic ends of the two first electric telescopic rods (66) are fixedly connected to a connecting plate (67), the connecting plate (67) is fixedly connected to the outer wall of the control head (65), and a limiting column (68) is fixedly connected between each two electrode base plates (62).

3. A wire feeding device for welding mesh machine according to claim 2, characterized in that: The detection mechanism (7) further comprises a plurality of fixed frames (71) fixedly connected to the top of the mounting platform (1), the central extension line of each fixed frame (71) coincides with the central extension line of the electrode bottom plate (62), the inner wall of the fixed frame (71) is symmetrically provided with a slide groove (72) on the upper and lower sides, the inner wall of the slide groove (72) is slidably connected to two symmetrical sliders (73), a conveying wheel (74) is rotatably provided between the two sliders (73) at the upper and lower positions, and the two sliders (73) at the lower side are opposite to each other. A push plate (75) is fixedly connected to each side, a return spring (76) is fixedly connected between the push plate (75) and the inner peripheral wall of the fixed frame (71), the inner wall of the slide groove (72) at the bottom is fixedly connected to a resistor plate (77), and the outer wall of one of the sliders (73) at the bottom is fixedly connected to an L-shaped conductive sheet (78), the L-shaped conductive sheet (78) is in sliding contact with the resistor plate (77), and the L-shaped conductive sheet (78) and the resistor plate (77) constitute a sliding rheostat, which is electrically connected to a PLC controller and forms a detection circuit.

4. A wire feeding device for welding mesh machine according to claim 3, characterized in that: The longitudinal wire feeding mechanism (8) includes two symmetrical mounting plates (84) fixedly connected to the side walls of the protective cover (63), wherein the outer wall of one of the mounting plates (84) is fixedly connected to a first motor (85), the output end of the first motor (85) is fixedly connected to a threaded rod (86), the outer wall of the threaded rod (86) is threadedly sleeved with a connecting block (87), the outer wall of the connecting block (87) is fixedly connected to a connecting column, the outer wall of the connecting column is fixedly connected to the outer wall of the feed barrel (81), the outer wall of the support plate (4) is provided with a movable groove (88), the inner wall of the movable groove (88) is provided with a connecting block (87). The wall is fixedly connected to a moving block (89), the outer wall of the moving block (89) is rotatably connected to a rotating rod (810), the other end of the rotating rod (810) rotates through the outer wall of the feed cylinder (81) and is rotatably connected to the inner wall of the feed cylinder (81), the longitudinal unloading roller (82) is fixedly sleeved on the outer wall of the rotating rod (810), the outer wall of the rotating rod (810) outside the feed cylinder (81) is fixedly connected to a first one-way gear (811), the outer wall of the supporting plate (4) is fixedly connected to a first tooth plate (812), and the first one-way gear (811) is meshed with the first tooth plate (812).

5. The wire feeding device for welding mesh machine according to claim 4, characterized in that: The inner top wall and the lower bottom wall of the feed barrel (81) are respectively provided with a wire feed port (813) and a lower wire port (824); the top end of the feed barrel (81) is fixedly connected to a first wire storage box (815); the inner bottom wall of the first wire storage box (815) is provided with a connecting port, which is communicated with the wire feed port (813).

6. The wire feeding device for welding mesh machine according to claim 4, characterized in that: The top of the longitudinal loading frame (2) is fixedly connected with a placement block (816), and a reciprocating screw (817) and a limit rod (818) are rotatably connected between the support plate (4) and the mounting platform (1). The outer wall of the mounting platform (1) is fixedly connected with a second motor (819) for driving the reciprocating screw (817). The outer wall of the reciprocating screw (817) is sleeved with a reciprocating plate (820), and the limit rod (818) slides through the reciprocating plate (820). The top of the reciprocating plate (820) is fixedly connected with a plurality of placement push blocks (821), and the central extension lines of each placement push block (821), the placement block (816), and the electrode bottom plate (62) coincide with each other. A telescopic slot (822) is provided at the top of the mounting platform (1), and the inner wall of the telescopic slot (822) is fixedly connected with two symmetrical second electric telescopic rods (823), and the telescopic end of the second electric telescopic rod (823) is fixedly connected with an alignment block (814).

7. The wire feeding device for welding mesh machine according to claim 6, characterized in that: The transverse wire feeding mechanism (9) further comprises a second wire storage box (93) fixedly connected to the outer wall of the protective cover (63), a rotating rod (94) is rotatably connected between the protective cover (63), the longitudinal unloading roller (82) is sleeved on the outer wall of the rotating rod (94), a wire outlet is provided at the bottom end of the second wire storage box (93), an inclined lower wire shell (96) is fixedly connected to the bottom of the wire outlet, the inclined lower wire shell (96) is inclined toward the direction of the transverse material storage groove (92), and the inner side of the opposite side of the protective cover (63) is provided with a wire outlet. Two symmetrical third electric telescopic rods (97) are fixedly connected to the wall, and the telescopic ends of the third electric telescopic rods (97) are fixedly connected to a wire pushing plate (95). The inner wall of the wire pushing plate (95) is embedded with a first pressure sensor. The PLC controller is connected to the first pressure sensor and the third electric telescopic rod (97) through electrical signals to form a control loop. The inner wall of the protective cover (63) is fixedly connected to an inclined plate, and the inclined plate is used to transport the metal wire from the horizontal storage trough (92) to the electrode bottom plate (62).

8. The wire feeding device for welding mesh machine according to claim 7, characterized in that: The discharging mechanism (10) further comprises a discharging trough (102) provided on an inner wall on an opposite side of the discharging frame (3), the inner wall of the discharging trough (102) being fixedly connected to a second tooth plate (103), the inner wall of the discharging trough (102) being slidably connected to an N-shaped frame (104), the inner wall on the opposite side of the N-shaped frame (104) being rotatably connected to a bidirectional gear (105), the bidirectional gear (105) being meshed with the second tooth plate (103), the outer walls of the two N-shaped frames (104) being fixedly connected to a third motor (106) for driving the bidirectional gear (105), the opposite sides of the two third motors (106) being fixedly connected to a mounting bar (107), the mounting bar (107) A rotating groove (108) is provided at the top of the mounting strip (107), a fourth motor (109) is fixedly connected to the outer wall of the mounting strip (107), an output end of the fourth motor (109) is fixedly connected to a rotating shaft, the net hook (101) is sleeved on the outer wall of the rotating shaft, a second pressure sensor is embedded in the inner wall of the discharge frame (3), the PLC controller is electrically connected to the second pressure sensor, the first motor (85), the second motor (819), the third motor (106), and the fourth motor (109) to form a first start-stop circuit, and the PLC controller is electrically connected to the first electric telescopic rod (66) and the second electric telescopic rod (823) to form a second start-stop circuit.

9. The wire feeding device for welding mesh machine according to claim 8, characterized in that: The top of the discharge frame (3) is provided with two symmetrical pulling grooves (1011), the inner wall of the pulling groove (1011) is slidably connected to a pulling block (1012), the bottom end of the pulling block (1012) is fixedly connected to the top of the N-shaped frame (104), the top of the pulling block (1012) is fixedly connected to a third tooth plate (1013), the outer wall of the rotating rod (94) is provided with two symmetrical second one-way gears (1010), the second one-way gears (1010) are meshed with the third tooth plate (1013), and the teeth of the third tooth plate (1013) face upwards.

Images