Welding wire guiding and conveying structure

Abstract

A welding wire guiding and conveying structure belongs to the technical field of welding and comprises a lower shell and an upper shell, an elastic tightening device is mounted between the lower shell and the upper shell, a driving wheel is rotatably mounted in the lower shell, a pressing wheel is rotatably mounted in the upper shell, and a wire feeding pipe is slidably mounted on the left surface of the lower shell in a penetrating manner. A locking device used for clamping and fixing the wire inlet pipe is installed on the left surface of the lower shell, a conical part is arranged at the right end of the wire inlet pipe, a wire outlet pipe is fixedly installed on the right surface of the lower shell in a penetrating mode, a conical inserting groove is formed in the inner surface of the left end of the wire outlet pipe, and a rubber gasket is arranged in the driving wheel in a sleeved mode. The wire feeding device can accurately penetrate through the wire feeding pipe without deviation and smoothly enter the wire discharging pipe, and the wire feeding accuracy and efficiency are greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding, and in particular relates to a welding wire guiding structure. Background Art

[0002] Welding wire is crucial in welding. When feeding it into the welding gun, a wire guide and feeding mechanism is indispensable. The wire guide and feeding mechanism can realize automatic or semi-automatic wire feeding. In large-scale welding, manual wire feeding is labor-intensive and inefficient. This mechanism can cooperate with welding equipment to efficiently supply wire, reduce interruptions and improve overall efficiency.

[0003] After searching, the announcement number in the relevant field is: CN217727445U, and the patent name is: An automatic welding wire guiding device. When replacing the welding wire, the upper end cover of the device needs to be opened. This operation will drive the driven gear to move upward. Only after completing this series of actions can the conditions for replacing the welding wire be met.

[0004] However, this method of replacing welding wire has many problems. On the one hand, its operation convenience is poor. On the other hand, there are technical difficulties in the process of replacing welding wire. Usually, the welding wire is coiled inside the reel, which causes the end of the welding wire to be in a bent state. Moreover, in the structural design of the device, there is a certain distance between the wire inlet tube and the wire outlet tube. In this case, if the welding wire in a bent state is directly passed through the wire inlet tube, due to the lack of an effective guiding and positioning mechanism, it is difficult for the welding wire to accurately enter the wire outlet tube, which affects the replacement efficiency of the welding wire. For this reason, a welding wire guiding structure is specially provided to solve the above technical problems. Utility Model Content

[0005] With regard to the welding wire guiding device in the prior art, when replacing the welding wire, due to the lack of an effective guiding and positioning mechanism, it is difficult for the welding wire to accurately enter the wire outlet tube, which affects the efficiency of welding wire replacement. The utility model provides a welding wire guiding structure. When replacing the welding wire, the wire inlet tube can be slid toward the wire outlet tube, and the conical portion of the wire inlet tube is connected with the conical slot of the wire outlet tube to complete the guidance and positioning of the welding wire, thereby realizing the operation of quickly replacing the welding wire, thereby ensuring that the welding wire passes through the wire inlet tube and smoothly enters the wire outlet tube along a predetermined path accurately and without deviation, which can greatly improve the accuracy and efficiency of wire threading, and effectively solves the problem that the welding wire guiding device in the prior art is difficult for the welding wire to accurately enter the wire outlet tube, which affects the efficiency of welding wire replacement. The specific technical scheme is as follows:

[0006] A welding wire guiding structure comprises a lower shell and an upper shell, an elastic tightening device is installed between the lower shell and the upper shell, a driving wheel is rotatably installed in the lower shell, a pressure wheel is rotatably installed in the upper shell, a wire feed tube is slidably installed through the left surface of the lower shell, and a locking device for clamping and fixing the wire feed tube is installed on the left surface of the lower shell, a tapered portion is provided at the right end of the wire feed tube, a wire outlet tube is fixedly installed through the right surface of the lower shell, a tapered slot is provided on the inner surface of the left end of the wire outlet tube, and a rubber gasket is provided inside the driving wheel.

[0007] In the above technical solution, four mounting grooves are provided on the opposing surfaces between the lower shell and the upper shell, and the elastic tightening device includes four springs and four vertical rods. The springs are fixedly installed between two corresponding upper and lower mounting grooves, and the vertical rods are fixedly installed in the mounting grooves of the lower shell, and the vertical rods are slidably connected to the upper shell.

[0008] In the above technical scheme, a limiting rib is fixedly installed on the front surface of the wire inlet tube, and a locking groove is provided on the front surface of the limiting rib, and the locking device includes an iron annular block, which is fixedly installed on the left surface of the lower shell, and a rib groove is provided in the annular block, and the limiting rib is slidably installed in the rib groove, and a clamping groove is provided on the front surface of the annular block, and a stopper is inserted and installed in the clamping groove, and a magnet block is fixedly installed on the side of the stopper close to the annular block, and the magnet block is adsorbed in the clamping groove, and the stopper is clamped between the locking groove and the clamping groove.

[0009] In the above technical solution, an external plate is integrally formed on the rear surface of the lower shell, a plurality of mounting holes are penetrated through the upper surface of the external plate, a stepper motor is fixedly mounted on the upper surface of the external plate, the output shaft of the stepper motor is rotatably mounted in the lower shell, and the driving wheel is sleeved on the outer surface of the output shaft of the stepper motor.

[0010] In the above technical solution, a fixing frame is fixedly installed on the right surface of the lower shell, a guide pulley is rotatably installed in the fixing frame, and the guide pulley is located on the right side of the wire outlet of the wire outlet tube.

[0011] Compared with the prior art, the welding wire guiding structure of the utility model has the following beneficial effects:

[0012] The utility model can slide the wire inlet tube toward the wire outlet tube, utilize the tapered portion of the wire inlet tube to connect with the tapered slot of the wire outlet tube, complete the guidance and positioning of the welding wire, thereby realizing the operation of quickly replacing the welding wire, thereby ensuring that the welding wire passes through the wire inlet tube and smoothly enters the wire outlet tube along a predetermined path accurately and without deviation, which can greatly improve the accuracy and efficiency of wire threading.

[0013] The utility model configures a limiting rib with a locking groove on the front end surface of the wire feed tube, and is provided with a corresponding locking device. In actual operation, the locking device can be used to quickly and effectively lock or unlock the position of the wire feed tube, which significantly improves the process efficiency of replacing the welding wire, makes the entire operation process simpler, and effectively reduces the difficulties and cumbersome steps that may be encountered in the process of replacing the welding wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the structure of the wire feeding tube of the utility model.

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the wire outlet tube of the utility model.

[0018] Figure 5 It is a schematic diagram of the explosion structure of the locking device of the utility model.

[0019] Figure 6 It is a schematic diagram of the top structure of the utility model.

[0020] Figure 7 It is a schematic diagram of the main structure of the utility model.

[0021] Figure 8 It is a rear view structural schematic diagram of the utility model.

[0022] Fig. 9 It is a schematic diagram of the cross-sectional structure of the driving wheel of the utility model.

[0023] Figure 1-9 Among them: 1, lower shell; 11, external plate; 2, upper shell; 21, pressure wheel; 3, elastic tightening device; 31, spring; 32, vertical rod; 4, stepping motor; 41, driving wheel; 411, rubber gasket; 5, wire inlet tube; 51, cone-shaped part; 52, limiting ribs; 521, locking groove; 6, locking device; 61, ring block; 611, rib groove; 612, card slot; 62, stopper; 621, magnet block; 7, wire outlet tube; 71, cone-shaped slot; 8, fixing frame; 81, guide pulley. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In this embodiment, the front, rear, left, right, top and bottom are represented by Figure 1 Describes the datum surface. Figure 1-Figure 9 , the utility model provides a technical solution:

[0026] A welding wire guiding structure comprises a lower shell 1 and an upper shell 2, an elastic tightening device 3 is installed between the lower shell 1 and the upper shell 2, a driving wheel 41 is rotatably installed in the lower shell 1, a pressing wheel 21 is rotatably installed in the upper shell 2, a wire inlet tube 5 is slidably installed through the left surface of the lower shell 1, and a locking device 6 for clamping and fixing the wire inlet tube 5 is installed on the left surface of the lower shell 1, a tapered portion 51 is provided at the right end of the wire inlet tube 5, a wire outlet tube 7 is fixedly installed through the right surface of the lower shell 1, a tapered slot 71 is provided on the inner surface of the left end of the wire outlet tube 7, and a rubber gasket 411 is sleeved in the driving wheel 41;

[0027] During wire replacement operation (combined with Figure 2 , Figure 3 , Figure 4 and Fig. 9 ), first release the locking device 6 from fixing the wire inlet tube 5, and then slide the wire inlet tube 5 toward the wire outlet tube 7, so that the tapered portion 51 of the wire inlet tube 5 is inserted into the tapered slot 71 of the wire outlet tube 7 to complete precise docking.

[0028] During the connection process of the wire inlet tube 5 and the wire outlet tube 7, since a rubber gasket 411 is provided in the driving wheel 41 and an elastic tightening device 3 is provided between the upper shell 2 and the lower shell 1, when the wire inlet tube 5 moves toward the wire outlet tube 7, the rubber gasket 411 in the driving wheel 41 shrinks due to extrusion, and at the same time, the pressure wheel 21 moves upward with the aid of the elastic tightening device 3 under the extrusion action, so that the wire inlet tube 5 can smoothly pass through the space between the pressure wheel 21 and the driving wheel 41, and finally complete the docking with the wire outlet tube 7.

[0029] The wire threading operation is carried out on this basis. Since the wire inlet tube 5 and the wire outlet tube 7 have been successfully connected, the wire inlet tube 5 can give full play to its guiding and positioning functions in the entire wire threading process to ensure that the welding wire can accurately pass through the wire inlet tube 5 and smoothly enter the wire outlet tube 7 according to the predetermined path, which greatly improves the accuracy and efficiency of wire threading and effectively overcomes the problem that the welding wire in the existing wire guiding device is difficult to accurately enter the wire outlet tube, thereby affecting the efficiency of welding wire replacement.

[0030] It should be noted that if Figure 2 As shown, four mounting grooves are provided on the opposite surfaces between the lower shell 1 and the upper shell 2, and the elastic tightening device 3 includes four springs 31 and four hanging rods 32. The springs 31 are fixedly installed between the upper and lower corresponding mounting grooves, and the hanging rods 32 are fixedly installed in the mounting grooves of the lower shell 1, and the hanging rods 32 are slidably connected with the upper shell 2.

[0031] When the wire feeding tube 5 passes through between the pressure wheel 21 and the driving wheel 41, the spring 31 stretches, and the vertical rod 32 ensures that the upper shell 2 and the pressure wheel 21 move vertically upward. When the wire changing operation is completed, the wire feeding tube 5 is manually slid to the left to reset, and the position is fixed by the locking device 6. Then, the spring 31 contracts and resets, driving the upper shell 2 and the pressure wheel 21 to move vertically downward, pressing the welding wire into the driving wheel 41 to ensure its accurate guiding.

[0032] Combination Figure 1 , Figure 3 and Figure 5 As shown, a limiting strip 52 is fixedly installed on the front surface of the wire inlet tube 5, and a locking groove 521 is provided on the front surface of the limiting strip 52. The locking device 6 includes an iron ring block 61, which is fixedly installed on the left surface of the lower shell 1, and a strip groove 611 is provided in the ring block 61. The limiting strip 52 is slidably installed in the strip groove 611, and a clamping groove 612 is provided on the front surface of the ring block 61. A stopper 62 is inserted and installed in the clamping groove 612. A magnet block 621 is fixedly installed on the side of the stopper 62 close to the ring block 61. The magnet block 621 is adsorbed in the clamping groove 612, and the stopper 62 is clamped between the locking groove 521 and the clamping groove 612.

[0033] The stopper 62 is fixed in the card slot 612 by adsorbing the magnet block 621, so that it can be stably connected in the locking groove 521 to fix the position of the wire feeding tube 5. When releasing the fixation of the wire feeding tube 5, the stopper 62 is pulled outward to disengage it from the locking groove 521 and the card slot 612.

[0034] Specifically, if Figure 6 As shown, the rear surface of the lower shell 1 is integrally formed with an external plate 11, and a plurality of mounting holes are formed through the upper surface of the external plate 11. The external plate 11 can be mounted to a suitable position on the welding equipment by means of the mounting holes and external bolts for use. A stepper motor 4 is fixedly mounted on the upper surface of the external plate 11, and the output shaft of the stepper motor 4 is rotatably mounted in the lower shell 1. A driving wheel 41 is sleeved on the outer surface of the output shaft of the stepper motor 4. The driving wheel 41 is rotated by the stepper motor 4. When the driving wheel 41 rotates clockwise toward the wire outlet tube 7, the welding wire can be guided.

[0035] Finally, during the wire guiding stage, it is necessary to consider the convenience of adapting to the welding gun below and prevent the wire from being excessively bent during the wire guiding, which may affect the use. Figure 1 or Figure 2 As shown, a fixing frame 8 is fixedly installed on the right surface of the lower shell 1, and a guide pulley 81 is rotatably installed in the fixing frame 8. The guide pulley 81 is located on the right side of the wire outlet of the wire outlet tube 7. The welding wire can be guided downward by the guide pulley 81 so that it can be used in conjunction with the welding gun, thereby effectively avoiding excessive bending of the welding wire and ensuring that the welding effect is not affected.

Claims

1. A welding wire guiding structure, comprising a lower shell (1) and an upper shell (2), characterized in that: An elastic tightening device (3) is installed between the lower shell (1) and the upper shell (2); a driving wheel (41) is rotatably installed in the lower shell (1); a pressure wheel (21) is rotatably installed in the upper shell (2); a wire feed tube (5) is slidably installed through the left surface of the lower shell (1); and a locking device (6) for clamping and fixing the wire feed tube (5) is installed on the left surface of the lower shell (1); a conical portion (51) is provided at the right end of the wire feed tube (5); a wire outlet tube (7) is fixedly installed through the right surface of the lower shell (1); a conical slot (71) is provided on the inner surface of the left end of the wire outlet tube (7); and a rubber gasket (411) is sleeved inside the driving wheel (41).

2. A welding wire guiding structure according to claim 1, characterized in that: Four mounting grooves are provided on the opposing surfaces of the lower shell (1) and the upper shell (2); The elastic tightening device (3) comprises four springs (31) and four vertical rods (32), wherein the springs (31) are fixedly mounted between two corresponding upper and lower mounting grooves, the vertical rods (32) are fixedly mounted in the mounting grooves of the lower shell (1), and the vertical rods (32) are all slidably connected to the upper shell (2).

3. A welding wire guiding structure according to claim 1, characterized in that: A limiting strip (52) is fixedly mounted on the front surface of the wire inlet tube (5), and a locking groove (521) is provided on the front surface of the limiting strip (52); The locking device (6) comprises an iron annular block (61), the annular block (61) being fixedly mounted on the left surface of the lower shell (1), and a corrugated groove (611) being provided in the annular block (61), the limiting corrugated strip (52) being slidably mounted in the corrugated groove (611), a clamping groove (612) being provided in the front surface of the annular block (61), a stopper (62) being inserted and mounted in the clamping groove (612), a magnet block (621) being fixedly mounted on a side of the stopper (62) close to the annular block (61), the magnet block (621) being adsorbed in the clamping groove (612), and the stopper (62) being clamped between the locking groove (521) and the clamping groove (612).

4. A welding wire guiding structure according to claim 2, characterized in that: An external plate (11) is integrally formed on the rear surface of the lower shell (1), a plurality of mounting holes are formed through the upper surface of the external plate (11), a stepper motor (4) is fixedly mounted on the upper surface of the external plate (11), an output shaft of the stepper motor (4) is rotatably mounted in the lower shell (1), and the driving wheel (41) is sleeved on the outer surface of the output shaft of the stepper motor (4).

5. A welding wire guiding structure according to claim 2, characterized in that: A fixing frame (8) is fixedly mounted on the right surface of the lower shell (1), a guide pulley (81) is rotatably mounted inside the fixing frame (8), and the guide pulley (81) is located on the right side of the wire outlet of the wire outlet tube (7).

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