Wire feeding device

Abstract

The utility model relates to the technical field of welding wire conveying, and discloses a wire feeding device which is characterized in that a welding wire penetrating through a groove plate can be guided through a guide wheel and a guide plate, the distance between a guide assembly and a support is adjusted by screwing a lead screw, and then the height of the guide assembly is adjusted. The welding wire penetrating through the guide assembly is tightly attached to the transmission outer wall of the conveying assembly, the friction conveying force between the welding wire and the conveying assembly is conveniently adjusted, and the welding wire conveying work is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of welding wire conveying, in particular to a wire feeding device. Background Art

[0002] The cylinder of a fire extinguisher is an important pressure-bearing component. Conventional cylinders are welded steel cylinders, that is, the bottom cover and the cylinder body are welded together. During the welding process of the fire extinguisher, the welding wire needs to be transported. Currently, a wire feeding device is used to transport the wire. There are some deficiencies in the welding wire transportation process. For example, the welding wire will shake during the transportation process. It is necessary to adjust the pressure between the welding wire and the conveying wheel to increase the conveying friction strength so that the welding wire can better complete the transportation work. Utility Model Content

[0003] The utility model aims to provide a wire feeding device to solve the problem in the background technology that the welding wire will shake during the conveying process, and it is necessary to adjust the pressure between the welding wire and the conveying wheel to increase the conveying friction strength so that the welding wire can better complete the conveying work.

[0004] In the first aspect, the utility model provides a wire feeding device, including a base frame, a conveying assembly and a wire guide are rotatably installed on the inner side of the base frame, a guide assembly is slidably installed on one side of the base frame, a sliding opening is opened on one side of the bottom of the base frame, an adjustable height bracket is installed in the sliding opening, a screw rod is threadedly inserted on the bracket, the top end of the screw rod is rotatably connected to the bottom of the guide assembly, and a support assembly is fixedly connected between the bottom of the guide assembly and the bracket.

[0005] In a specific embodiment, the conveying assembly includes two driving shafts rotatably mounted on the base frame, the driving shafts are sleeved with conveying wheels, and one end of the driving shaft away from the base frame is threadedly sleeved with a limit sleeve, and one of the driving shafts is transmission-connected to a driving motor.

[0006] In a specific embodiment, the guide assembly includes a slot plate, and two guide wheels distributed up and down are rotatably mounted on the inner side wall of the slot plate, and the bottom end of the slot plate is connected to the top end of the support assembly.

[0007] In a specific embodiment, two guide plates arranged in an "eight" shape are fixed on a side of the groove plate away from the guide wheel.

[0008] In a specific embodiment, the support assembly includes a support column fixedly connected to the bottom of the slot plate, a limiting ring is provided on the bottom end of the support column passing through the bracket thread sleeve, and a first spring is provided on the top end of the support column.

[0009] In a specific embodiment, positioning components connected to the bottom of the base frame are fixed on both sides of the bracket.

[0010] In a specific embodiment, the positioning assembly includes an extension block fixedly connected to the side of the bracket, and a positioning bolt threadedly connected to the bottom end of the base frame is inserted into the extension block.

[0011] In a specific embodiment, a second spring is sleeved on the top end of the positioning bolt, and the bottom end of the second spring contacts the inner wall of the bottom of the base frame.

[0012] In a specific embodiment, a rotating handle is fixed on the bottom end of the screw rod through the bracket.

[0013] In a specific embodiment, a guide rail is fixed on the side wall of the base frame, a sliding sleeve is provided on the guide rail, and one side of the sliding sleeve is fixedly connected to the guide assembly.

[0014] The utility model provides a wire feeding device, which can guide the welding wire passing through the groove plate through the guide wheel and the guide plate, and adjust the distance between the guide component and the bracket by twisting the screw rod, thereby adjusting the height of the guide component, so that the welding wire passing through the guide component is tightly attached to the transmission outer wall of the conveying component, which is convenient for adjusting the friction conveying force between the welding wire and the conveying component, making the welding wire conveying work more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of the main structure of an embodiment of the utility model.

[0018] Figure 3 It is a schematic structural diagram of the guide assembly from the first perspective in an embodiment of the utility model.

[0019] Figure 4 It is a schematic structural diagram of the guide assembly from a second viewing angle in an embodiment of the utility model.

[0020] Figure 5 It is a schematic diagram of the assembly structure of the conveying wheel in the embodiment of the utility model.

[0021] Icons: 1. Base frame; 2. Wire guide; 3. Conveying assembly; 31. Driving shaft; 32. Conveying wheel; 33. Limiting sleeve; 4. Guide rail; 5. Sliding sleeve; 6. Guide assembly; 61. Slot plate; 62. Guide plate; 63. Guide wheel; 7. Screw rod; 8. Support assembly; 81. Support column; 82. First spring; 83. Limiting ring; 9. Bracket; 10. Positioning assembly; 101. Extension block; 102. Positioning bolt; 103. Second spring. DETAILED DESCRIPTION

[0022] Since the welding wire in the prior art will shake during the conveying process, it is necessary to adjust the pressure between the welding wire and the conveying wheel to increase the conveying friction strength so that the welding wire can better complete the conveying work. Therefore, the inventor provides a wire feeding device after research, which adjusts the distance between the guide assembly and the bracket by twisting the screw rod, and then adjusts the height of the guide assembly, so that the welding wire passing through the guide assembly is tightly attached to the transmission outer wall of the conveying assembly, which is convenient for adjusting the friction conveying force between the welding wire and the conveying assembly, making the welding wire conveying work more stable, thereby solving the above-mentioned defects.

[0023] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0024] Please refer to Figures 1 to 5 The embodiment of the utility model provides a wire feeding device, including a base frame 1, a conveying assembly 3 and a wire guide 2 are rotatably installed on the inner side of the base frame 1, a guide assembly 6 is slidably installed on one side of the base frame 1, a sliding opening is opened on one side of the bottom of the base frame 1, and a height-adjustable bracket 9 is installed in the sliding opening, a screw rod 7 is threadedly inserted on the bracket 9, the top of the screw rod 7 is rotatably connected to the bottom of the guide assembly 6, and a supporting assembly 8 is fixedly connected between the bottom of the guide assembly 6 and the bracket 9. First, the welding wire is passed through the guide assembly 6, the conveying assembly 3 and the wire guide 2 in sequence, and the distance between the guide assembly 6 and the bracket 9 is adjusted by twisting the screw rod 7, and then the height of the guide assembly 6 is adjusted, so that the welding wire passing through the guide assembly 6 is tightly attached to the transmission outer wall of the conveying assembly 3, which is convenient for adjusting the friction conveying force between the welding wire and the conveying assembly 3, so that the welding wire conveying work is more stable.

[0025] The conveying assembly 3 includes two driving shafts 31 rotatably mounted on the base frame 1, and a conveying wheel 32 is sleeved on the driving shaft 31. A limit sleeve 33 is threadedly sleeved on the end of the driving shaft 31 away from the base frame 1. One of the driving shafts 31 is connected to a driving motor, which can drive the conveying wheels 32 to rotate, thereby driving the welding wire passing through the conveying wheels 32 for wire feeding. In addition, the limit sleeve 33 can facilitate the replacement of conveying wheels 32 of different specifications to meet the purpose of conveying welding wires of different thicknesses.

[0026] The guide assembly 6 includes a slot plate 61, on the inner side wall of which two guide wheels 63 are rotatably mounted and distributed up and down. The bottom end of the slot plate 61 is connected to the top end of the support assembly 8. Two guide plates 62 distributed in an "eight" shape are fixed on the side of the slot plate 61 away from the guide wheels 63. The guide wheels 63 and the guide plates 62 can guide the welding wire passing through the slot plate 61, thereby improving the stability of the welding wire conveying work.

[0027] The support assembly 8 includes a support column 81 fixedly connected to the bottom of the slot plate 61. The bottom end of the support column 81 passes through the bracket 9 and is threadedly sleeved with a limiting ring 83. The top end of the support column 81 is sleeved with a first spring 82. The support column 81 can cooperate with the first spring 82 to elastically support the slot plate 61, and the limiting ring 83 can cooperate with the tension of the first spring 82 to limit the support column 81.

[0028] A positioning assembly 10 connected to the bottom of the base frame 1 is fixed on both sides of the bracket 9. The positioning assembly 10 includes an extension block 101 fixedly connected to the side of the bracket 9. A positioning bolt 102 threadedly connected to the bottom end of the base frame 1 is inserted into the extension block 101. A second spring 103 is sleeved on the top end of the positioning bolt 102. The bottom end of the second spring 103 is in contact with the inner wall of the bottom of the base frame 1. The positioning bolt 102 can cooperate with the second spring 103 to adjust the basic height of the bracket 9.

[0029] A rotating handle is fixed on the bottom end of the screw rod 7 through the bracket 9, and the screw rod 7 can be easily rotated by the rotating handle.

[0030] A guide rail 4 is fixed on the side wall of the base frame 1, and a sliding sleeve 5 is provided on the guide rail 4. One side of the sliding sleeve 5 is fixedly connected to the guide assembly 6. The sliding sleeve 5 can cooperate with the guide rail 4 to play a guiding role when the guide assembly 6 is adjusted in height, thereby improving the structural strength.

[0031] In summary, first, the welding wire is passed through the guide assembly 6, the conveying assembly 3 and the wire guide 2 in sequence. The guide wheel 63 and the guide plate 62 can guide the welding wire passing through the slot plate 61. The distance between the guide assembly 6 and the bracket 9 is adjusted by turning the screw rod 7, and then the height of the guide assembly 6 is adjusted, so that the welding wire passing through the guide assembly 6 is tightly attached to the transmission outer wall of the conveying assembly 3, which is convenient for adjusting the friction conveying force between the welding wire and the conveying assembly 3, making the welding wire conveying work more stable.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wire feeding device, comprising a base frame, inside which a conveying assembly and a wire guide are rotatably mounted, characterized in that: A guide assembly is slidably installed on one side of the base frame, a sliding opening is opened on one side of the bottom of the base frame, a height-adjustable bracket is installed in the sliding opening, a screw rod is threadedly inserted on the bracket, the top end of the screw rod is rotatably connected to the bottom of the guide assembly, and a support assembly is fixedly connected between the bottom of the guide assembly and the bracket.

2. A wire feeding device according to claim 1, characterized in that: The conveying assembly includes two driving shafts rotatably mounted on the base frame, the driving shafts are sleeved with conveying wheels, and one end of the driving shaft away from the base frame is threadedly sleeved with a limiting sleeve, and one of the driving shafts is drivingly connected to a driving motor.

3. A wire feeding device according to claim 1, characterized in that: The guide assembly comprises a slot plate, on the inner side wall of which two guide wheels are rotatably mounted and distributed up and down, and the bottom end of the slot plate is connected to the top end of the support assembly.

4. A wire feeding device according to claim 3, characterized in that: Two guide plates arranged in an "eight" shape are fixed on one side of the groove plate away from the guide wheel.

5. A wire feeding device according to claim 3, characterized in that: The support assembly comprises a support column fixedly connected to the bottom of the slot plate, a limit ring is provided on the bottom end of the support column passing through the support thread sleeve, and a first spring is provided on the top end of the support column.

6. A wire feeding device according to claim 5, characterized in that: Positioning components connected to the bottom of the base frame are fixed on both sides of the bracket.

7. A wire feeding device according to claim 6, characterized in that: The positioning assembly comprises an extension block fixedly connected to the side of the bracket, and a positioning bolt threadedly connected to the bottom end of the base frame is inserted into the extension block.

8. A wire feeding device according to claim 7, characterized in that: A second spring is sleeved on the top end of the positioning bolt, and the bottom end of the second spring contacts the inner wall of the bottom of the base frame.

9. A wire feeding device according to claim 1, characterized in that: The bottom end of the screw rod passes through the bracket and is fixed with a rotating handle.

10. A wire feeding device according to claim 1, characterized in that: A guide rail is fixed on the side wall of the base frame, a sliding sleeve is provided on the guide rail, and one side of the sliding sleeve is fixedly connected to the guide assembly.

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