Welding wire feeder

Abstract

The utility model relates to the technical field of welding production and processing, and discloses a welding wire feeder which comprises a main body, through holes are symmetrically formed in the main body, and a cover plate is connected to the main body through a fastener; the wire feeding mechanism is arranged in the main body, the wire feeding mechanism is used for conveying welding wires, the wire feeding mechanism comprises a wire feeding pipe, wire feeding wheels, wire pressing wheels, a first mounting frame and a second mounting frame, the wire feeding wheels and the wire pressing wheels are symmetrically arranged in the main body, each wire feeding wheel is in transmission connection with the main body, each wire pressing wheel is elastically connected with the main body, and the first mounting frame and the second mounting frame are arranged on the main body. The first mounting frame and the second mounting frame are symmetrically arranged in the main body, the wire feeding pipes are movably connected with the corresponding first mounting frame and second mounting frame, and the positions of the wire feeding pipes are adjusted and self-locked through cooperation of internal parts of the wire feeding mechanism, so that the wire feeding pipes are prevented from being damaged in the conveying process; the welding wire and internal parts of the device are abraded due to continuous friction between the welding wire and the deviation of the grooves in the wire pressing wheel and the wire feeding wheel.

Description

Technical Field

[0001] This utility model belongs to the field of welding production and processing technology, specifically, it relates to a welding wire feeder. Background Technology

[0002] A welding wire feeder is a device used to continuously and stably feed welding wire; an automatic wire feeder is an automated wire feeding device that can continuously and stably feed welding wire according to set parameters under microcomputer control.

[0003] A document with publication number (CN219026217U) discloses a laser welding wire feeder, including a housing. Wire feeding wheels are rotatably connected to both sides inside the housing, and a pressure wheel is located on one side of each wire feeding wheel. Two sets of wire inlet tubes are embedded on one side of the housing, with the central axis of the inlet tubes coinciding with the central axis of the distance between the wire feeding wheel and the pressure wheel. A drive mechanism is located inside the housing, including a transmission assembly, a drive motor, and a rotating shaft. A pressure mechanism is located outside the pressure wheel, consisting of a handle and a connecting assembly. This device can not only fully realize and meet the welding requirements when the weld is too large or too deep, but also facilitates a stable and continuous feeding of the welding wire by the wire feeder.

[0004] In actual use, although the above-mentioned device uses two sets of grooves on the wire pressing wheel and the wire feeding wheel to transport the welding wire, the clamping and limiting effect on welding wires of different sizes is limited. Moreover, after searching other existing technologies, it was found that although the existing wire pressing wheel and the wire feeding wheel have different grooves, the position of the wire inlet tube is fixed. When the welding wire passes through the wire inlet tube and does not align with the grooves on the wire pressing wheel and the wire feeding wheel, the welding wire shifts with the grooves on the wire pressing wheel and the wire feeding wheel. During transportation, the welding wire continuously rubs against the grooves on the wire pressing wheel and the wire feeding wheel due to the shift, causing wear on the welding wire and the internal components of the device.

[0005] In view of this, this utility model is proposed. Utility Model Content

[0006] To solve the technical problem of adjusting the feeding position of the welding wire, the basic concept of the technical solution adopted by this utility model is as follows:

[0007] A welding wire feeder includes a main body with symmetrically symmetrically arranged through holes and a cover plate connected to the main body by fasteners; and a wire feeding mechanism disposed within the main body for feeding welding wire. The wire feeding mechanism includes a wire feeding tube, a wire feeding wheel, a wire pressing wheel, a first mounting frame, and a second mounting frame. The wire feeding wheel and the wire pressing wheel are symmetrically arranged within the main body, and each wire feeding wheel is drivenly connected to the main body. Each wire pressing wheel is elastically connected to the main body. The first mounting frame and the second mounting frame are symmetrically arranged within the main body, and the wire feeding tube is movably connected to the corresponding first mounting frame and second mounting frame.

[0008] In a preferred embodiment of this utility model, a support plate is fixedly connected inside the main body, a drive motor is fixedly connected to the bottom of the support plate, a main gear is fixedly connected to the output shaft of the drive motor, the main gear is rotatably connected to the support plate, a driven gear is symmetrically meshed on the main gear, each driven gear is rotatably connected to the support plate, and each wire feeding wheel is fixedly connected to the corresponding driven gear.

[0009] In a preferred embodiment of this utility model, fixing blocks are symmetrically arranged on the support plate, each fixing block is fixedly connected to the support plate, and a first sliding rod and a second sliding rod are slidably connected on the fixing block. The ends of the first sliding rod and the second sliding rod are fixedly connected to corresponding main mounting brackets.

[0010] In a preferred embodiment of this utility model, each main mounting bracket is rotatably connected to a corresponding pressure wheel, and a first spring is provided between the corresponding fixing block and the main mounting bracket. The first spring is sleeved on the corresponding first slide rod, and the end of the first slide rod is fixedly connected to the corresponding main mounting bracket and the fixing block respectively.

[0011] In a preferred embodiment of the present invention, each of the wire feeding wheel and the wire pressing wheel is provided with annular grooves of different widths, and each annular groove is provided with a groove around it, and the central axes of the corresponding wire feeding wheel and the wire pressing wheel are opposite each other.

[0012] In a preferred embodiment of the present invention, both the first mounting bracket and the second mounting bracket are provided with sliding grooves, and each sliding groove is slidably connected to a slider, with a connecting rod fixedly connected between the two sliders.

[0013] In a preferred embodiment of this utility model, a rack is fixedly connected to the first mounting bracket, the rack engages with an abutment block, a support rod is fixedly connected to the abutment block, and the support rod is slidably connected to the corresponding slider.

[0014] In a preferred embodiment of this utility model, a second spring is sleeved on the support rod, and the ends of the second spring are fixedly connected to the corresponding sliders and abutment blocks respectively. A connecting block is fixedly connected to the bottom of each slider, and the corresponding wire feeding pipe and connecting block are fixedly connected.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. This welding wire feeder adjusts and locks the position of the wire feeding tube by cooperating with the internal components of the wire feeding mechanism, so as to avoid wear on the welding wire and internal components of the device caused by continuous friction due to the offset of the welding wire with the grooves on the wire pressure wheel and the wire feeding wheel during the conveying process.

[0017] 2. In this welding wire feeder, the first spring is deformed and applies the deformation force to the main mounting frame and the pressure roller, which restricts the position of the welding wire and ensures that the wire feed roller and the pressure roller are in close contact with the surface of the welding wire, thereby preventing the welding wire from slipping on the wire feed roller and the pressure roller during the feeding process and improving the stability of the welding wire feeding. When the main mounting frame moves, the sliding position of the main mounting frame is restricted by the sliding connection between the second slide rod and the fixed block.

[0018] 3. This welding wire feeder aligns the welding wire with the corresponding annular grooves on the wire feeding wheel and the wire pressing wheel. During the feeding of the welding wire by the wire feeding wheel and the wire pressing wheel, the grooves on the wire feeding wheel and the wire pressing wheel increase the friction with the welding wire, thereby preventing the welding wire from slipping during feeding and affecting the feeding stability of the welding wire.

[0019] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0020] In the attached diagram:

[0021] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the internal structure of the main body of this utility model;

[0023] Figure 3 This is a schematic diagram of the structure on the support plate of this utility model;

[0024] Figure 4 This is a schematic diagram of the mounting frame structure of this utility model;

[0025] Figure 5 This is a schematic diagram of the structure on the pressure roller of this utility model;

[0026] Figure 6 This is a schematic diagram of the structure on the wire feeding wheel of this utility model.

[0027] In the diagram: 1. Main body; 11. Cover plate; 12. Support plate; 13. Wire feeding tube; 2. Wire feeding wheel; 21. Main gear; 22. Driven gear; 23. Drive motor; 3. Wire pressing wheel; 31. Main mounting bracket; 32. First slide rod; 33. First spring; 34. Fixing block; 35. Second slide rod; 4. First mounting bracket; 41. Second mounting bracket; 42. Slider; 43. Connecting block; 44. Connecting rod; 45. Support rod; 46. Second spring; 47. Abutment block; 48. Rack. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0029] Please see Figure 1-5 A welding wire feeder includes a main body 1 with symmetrically symmetrically arranged through holes. A cover plate 11 is connected to the main body 1 by fasteners, including but not limited to bolts. A wire feeding mechanism is disposed inside the main body 1 and is used to feed welding wire. The wire feeding mechanism includes a wire feeding tube 13, a wire feeding wheel 2, a wire pressing wheel 3, a first mounting frame 4, and a second mounting frame 41. The wire feeding wheel 2 and the wire pressing wheel 3 are symmetrically arranged inside the main body 1, and each wire feeding wheel 2 is drivenly connected to the main body 1. Each wire pressing wheel 3 is elastically connected to the main body 1. The first mounting frame 4 and the second mounting frame 41 are symmetrically arranged inside the main body 1. The wire feeding tube 13 is movably connected to the corresponding first mounting frame 4 and second mounting frame 41. The position of the wire feeding tube 13 is adjusted and self-locked by the cooperation of the internal components of the wire feeding mechanism to avoid wear on the welding wire and internal components of the device caused by continuous friction due to the offset of the welding wire with the grooves on the wire pressing wheel and the wire feeding wheel during the feeding process.

[0030] The main body 1 has a support plate 12 fixedly connected inside. A drive motor 23 is fixedly connected to the bottom of the support plate 12. A main gear 21 is fixedly connected to the output shaft of the drive motor 23. The main gear 21 is rotatably connected to the support plate 12. A driven gear 22 is symmetrically meshed on the main gear 21. Each driven gear 22 is rotatably connected to the support plate 12, and each wire feeding wheel 2 is fixedly connected to the corresponding driven gear 22. Fixing blocks 34 are symmetrically arranged on the support plate 12. Each fixing block 34 is fixedly connected to the support plate 12. A first slide rod 32 and a second slide rod 35 are slidably connected to the fixing block 34. The ends of the first slide rod 32 and the second slide rod 35 are fixedly connected to corresponding main mounting brackets 31. A corresponding wire pressing wheel 3 is rotatably connected to each main mounting bracket 31. A first spring 33 is provided between the corresponding fixing block 34 and the main mounting bracket 31. The first spring 33 is sleeved on the corresponding first slide rod 32. The ends of the first slide bar 32 are fixedly connected to the corresponding main mounting frame 31 and the fixing block 34 respectively. The drive motor 23 drives the main gear 21 to rotate through the output shaft. The main gear 21 meshes with the corresponding driven gear 22 during rotation. The driven gear 22 drives the wire feeding wheel 2 to rotate, and the welding wire passes between the wire feeding wheel 2 and the pressure wheel 3. The welding wire pushes the pressure wheel 3 and the main mounting frame 31. The main mounting frame 31 compresses the first spring 33. The first spring 33 is deformed and applies the deformation force to the main mounting frame 31 and the pressure wheel 3, which restricts the position of the welding wire and keeps the surface of the wire feeding wheel 2 and the pressure wheel 3 in close contact with the surface of the welding wire. This prevents the welding wire from slipping with the wire feeding wheel 2 and the pressure wheel 3 during the feeding process and improves the stability of the welding wire feeding. During the movement of the main mounting frame 31, the sliding position of the main mounting frame 31 is restricted by the sliding connection between the second slide bar 35 and the fixing block 34.

[0031] Each wire feeding wheel 2 and wire pressing wheel 3 has annular grooves of different widths, and each annular groove has a groove circling around it. The central axes of the corresponding wire feeding wheel 2 and wire pressing wheel 3 are opposite each other. After aligning the welding wire with the corresponding annular grooves on the wire feeding wheel 2 and wire pressing wheel 3, the grooves on the wire feeding wheel 2 and wire pressing wheel 3 increase the friction between the welding wire and the wire during the feeding process, thus preventing the welding wire from slipping during the feeding process and affecting the feeding stability of the welding wire.

[0032] Both the first mounting bracket 4 and the second mounting bracket 41 are provided with sliding grooves, and a slider 42 is slidably connected in each groove. A connecting rod 44 is fixedly connected between two sliders 42. A rack 48 is fixedly connected to the first mounting bracket 4, and the rack 48 engages with an abutment block 47. A support rod 45 is fixedly connected to the abutment block 47, and the support rod 45 is slidably connected to the corresponding slider 42. A second spring 46 is sleeved on the support rod 45, and the end of the second spring 46 is fixedly connected to the corresponding slider 42 and the abutment block 47 respectively. A connecting block 43 is fixedly connected to the bottom of each slider 42, and the corresponding wire feeding tube 13 is fixedly connected to the connecting block 43. The slider is manually pulled. Support rod 45 drives the abutment block 47 to move and compress the second spring 46. After the abutment block 47 separates from the rack 48, the slider 42 is driven to rise and fall. The slider 42 rises and falls and drives the connecting block 43 and the wire feeding tube 13 to be placed in the corresponding annular groove. Then the support rod 45 is released, and the second spring 46 applies the deformation force generated by compression to the abutment block 47, which meshes with the rack 48. During the movement of the slider 42, the connecting rod 44 drives another slider 42 to rise and fall, and after adjustment, self-locking is completed to avoid the welding wire from being continuously rubbed by the grooves on the wire pressing wheel and the wire feeding wheel during the conveying process, which would cause wear to the welding wire and the internal parts of the device.

[0033] It is worth noting that this optimization scheme also requires a reel for installing the welding wire, but this optimization scheme is aimed at the problem of the welding wire being misaligned with the grooves between 2 and 3, so it will not be elaborated here.

[0034] Working principle: Manually pulling the support rod 45 moves the abutment block 47 and compresses the second spring 46. After the abutment block 47 separates from the rack 48, the slider 42 is raised and lowered. The rise and fall of the slider 42 moves the connecting block 43 and the wire feeding tube 13 into the corresponding annular groove. Releasing the support rod 45 allows the second spring 46 to apply the deformation force generated by compression to the abutment block 47, engaging the abutment block 47 with the rack 48. During the movement of the slider 42, the connecting rod 44 drives the other slider 42 to rise and fall, and after adjustment, self-locking is achieved. This prevents the welding wire from continuously rubbing against the grooves on the wire pressing wheel and the wire feeding wheel during the conveying process, thus avoiding wear on the welding wire and internal components of the device. After aligning the welding wire with the corresponding annular grooves on the wire feeding wheel 2 and the wire pressing wheel 3, the grooves on the wire feeding wheel 2 and the wire pressing wheel 3 increase the contact between the welding wire and the grooves during the conveying of the welding wire. The friction of the wire is used to prevent slippage during wire feeding, which would affect the stability of the wire feeding. The drive motor 23 drives the main gear 21 to rotate through the output shaft. The main gear 21 meshes with the corresponding driven gear 22 during rotation. The driven gear 22 drives the wire feeding wheel 2 to rotate, and the wire passes between the wire feeding wheel 2 and the pressure wheel 3. The wire pushes the pressure wheel 3 and the main mounting frame 31. The main mounting frame 31 compresses the first spring 33. The first spring 33 is deformed and applies the deformation force to the main mounting frame 31 and the pressure wheel 3, which restricts the position of the wire and keeps the wire feeding wheel 2 and the pressure wheel 3 in close contact with the surface of the wire, preventing the wire from slipping during the wire feeding process and improving the stability of the wire feeding. During the movement of the main mounting frame 31, the sliding position of the main mounting frame 31 is restricted by the sliding connection between the second slide rod 35 and the fixed block 34.

[0035] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A welding wire feeder, characterized in that, include: The main body (1) has symmetrical through holes and a cover plate (11) is connected to the main body (1) by fasteners; The wire feeding mechanism is located inside the main body (1) and is used to feed welding wire. The wire feeding mechanism includes a wire feeding tube (13), a wire feeding wheel (2), a wire pressing wheel (3), a first mounting frame (4), and a second mounting frame (41). The wire feeding wheel (2) and the wire pressing wheel (3) are symmetrically arranged inside the main body (1), and each wire feeding wheel (2) is connected to the main body (1) in a transmission manner. Each wire pressing wheel (3) is elastically connected to the main body (1). The first mounting frame (4) and the second mounting frame (41) are symmetrically arranged inside the main body (1), and the wire feeding tube (13) is movably connected to the corresponding first mounting frame (4) and second mounting frame (41).

2. The welding wire feeder according to claim 1, characterized in that, A support plate (12) is fixedly connected inside the main body (1). A drive motor (23) is fixedly connected to the bottom of the support plate (12). A main gear (21) is fixedly connected to the output shaft of the drive motor (23). The main gear (21) is rotatably connected to the support plate (12). A driven gear (22) is symmetrically meshed on the main gear (21). Each driven gear (22) is rotatably connected to the support plate (12), and each wire feeding wheel (2) is fixedly connected to the corresponding driven gear (22).

3. The welding wire feeder according to claim 2, characterized in that, The support plate (12) is symmetrically provided with fixing blocks (34), each fixing block (34) is fixedly connected to the support plate (12), and a first slide rod (32) and a second slide rod (35) are slidably connected on the fixing block (34). The ends of the first slide rod (32) and the second slide rod (35) are fixedly connected to the corresponding main mounting bracket (31).

4. The welding wire feeder according to claim 3, characterized in that, Each of the main mounting brackets (31) is rotatably connected to a corresponding pressure wheel (3), and a first spring (33) is provided between the corresponding fixing block (34) and the main mounting bracket (31). The first spring (33) is sleeved on the corresponding first slide rod (32), and the end of the first slide rod (32) is fixedly connected to the corresponding main mounting bracket (31) and the fixing block (34) respectively.

5. The welding wire feeder according to claim 1, characterized in that, Each of the wire feeding wheel (2) and the wire pressing wheel (3) is provided with annular grooves of different widths, and each annular groove is provided with a groove around it, and the central axes of the corresponding wire feeding wheel (2) and the wire pressing wheel (3) are opposite each other.

6. The welding wire feeder according to claim 1, characterized in that, Both the first mounting bracket (4) and the second mounting bracket (41) are provided with sliding grooves, and each sliding groove is slidably connected with a slider (42), and a connecting rod (44) is fixedly connected between the two sliders (42).

7. The welding wire feeder according to claim 6, characterized in that, A rack (48) is fixedly connected to the first mounting bracket (4), the rack (48) engages with an abutment block (47), a support rod (45) is fixedly connected to the abutment block (47), and the support rod (45) is slidably connected to the corresponding slider (42).

8. The welding wire feeder according to claim 7, characterized in that, The support rod (45) is fitted with a second spring (46), the end of the second spring (46) is fixedly connected to the corresponding slider (42) and the abutment block (47), and the bottom of each slider (42) is fixedly connected to a connecting block (43), and the corresponding wire feeding tube (13) and the connecting block (43) are fixedly connected.

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