Welding gun wire feeding device

Abstract

The utility model discloses a welding gun wire feeding device which comprises a fixing assembly, a screw is arranged in the fixing assembly in a penetrating mode, a clamping mechanism is arranged outside the screw in a sleeved mode, the clamping mechanism is assembled to be used for being connected with a fixing ring in a clamping mode, and the screw is driven to maintain axial rotation so as to drive the fixing ring to maintain scaling. A wire feeding assembly is inserted into the side, away from the fixing ring, of the fixing assembly. According to the welding gun wire feeding device provided by the utility model, the fixing ring can be driven to contract and contract through the tightness of the screw arranged in the fixing assembly in a penetrating manner, so that the welding gun wire feeding device can be clamped outside welding guns with different sizes, and wire feeding work is facilitated; a screw arranged in the connecting block in a penetrating manner is matched with a nut connected between the connecting block in a sleeving manner, so that the screw is driven to be fastened and cannot loosen and fall off from the welding gun; and through the fixing hook plate and the abutting clamping ring which are sequentially connected to the outer wall of the screw in a sleeving mode, the fixing ring can be driven to be fixed to the outer portion of the screw in a threaded mode so that welding guns of different sizes can be clamped.

Description

Technical Field

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

[0002] According to the different wire feeding methods, welding guns can be divided into two categories: wire drawing welding guns and wire pushing welding guns. The main features of wire drawing welding guns are uniform and stable wire feeding speed and large range of motion. However, since the wire feeding mechanism and welding wire are both installed on the welding gun, the structure of the welding gun is relatively complex and bulky, and can only be used for welding fine wires with a diameter of 0.5 to 0.8 mm; the wire pushing welding gun has a simple structure and flexible operation, but the welding wire is subject to greater friction resistance when passing through the hose, and can only be used for welding with wires larger than Φ1 mm.

[0003] For example, patent CN209632276U discloses an automatic wire feeding device for a welding gun, comprising a welding gun body, a welding wire feeding frame being provided on the surface of the welding gun body, a welding wire feeding tube being provided on one side of the welding wire feeding frame, a bracket being fixed to the right side of the top of the welding gun body, a welding wire reel being fixedly connected to the front surface of the bracket, a welding wire reel being provided on the surface of the welding wire reel, an external thread being provided on the surface of the welding wire reel, a fastening nut being threadedly connected to the surface of the welding wire reel, and a welding wire body being provided on the surface of the welding wire reel. This utility model solves the problem that traditional automatic wire feeding devices for welding guns cannot feed multiple types of welding wire, resulting in low welding efficiency. This automatic wire feeding device for welding guns has the advantage of being able to feed multiple types of welding wire, thereby improving the working efficiency of the welding gun, further improving the working efficiency of the user, and further improving the practicality of the automatic wire feeding device for welding guns.

[0004] In actual operation, most welding gun devices only have one welding wire inside. When the welding wire is used up, it needs to be refilled, which reduces work efficiency. In addition, the welding gun requires a handheld wire feeding device, which is very inconvenient and prone to danger.

[0005] It can be seen that the above-mentioned problems in the prior art need to be improved urgently. Utility Model Content

[0006] In view of the above-mentioned problems existing in the prior art, one aspect of the present invention is to provide a wire feeding device for a welding gun to solve the problems that the welding wire inside most welding guns needs to be refilled after use, which reduces work efficiency; and some welding guns require a handheld wire feeding device, which is very dangerous.

[0007] In order to achieve the above-mentioned purpose, the utility model provides a welding gun wire feeding device, including a fixing component, a screw is inserted into the interior of the fixing component, and a clamping mechanism is provided on the outer sleeve of the screw. The clamping mechanism is assembled to clamp a fixing ring, and the screw is driven to maintain axial rotation to drive the fixing ring to maintain scaling. A wire feeding component is inserted into the interior of the fixing component away from the fixing ring.

[0008] The tightening and loosening of the screws inserted into the fixing assembly can drive the expansion and contraction of the fixing ring, so that the outside of welding guns of different sizes can be clamped to facilitate wire feeding.

[0009] Preferably, the fixing assembly includes a connecting block, a threaded groove is penetrated inside the connecting block, the screw penetrates and engages with the inside of the threaded groove, and a nut is sleeved on the outer wall of the connecting block near the bottom of the screw to drive the screw to remain tight.

[0010] The screws are tightened by the cooperation between the screws penetrating the inside of the connecting block and the nuts sleeved therebetween, so that the screws will not loosen and fall off the welding gun.

[0011] Preferably, the clamping mechanism specifically includes a fixed hook plate and an abutting clamping ring which are sequentially sleeved on the outer wall of the screw away from the nut, the fixed hook plate remains in contact with the connecting block, and the abutting clamping ring is sleeved on the end of the screw.

[0012] By sequentially sleeved on the outer wall of the screw with a fixing hook plate and an abutting clamping ring, the fixing ring can be driven to be fixed on the outside of the screw in a threaded shape to clamp welding guns of different sizes.

[0013] Preferably, a through groove is centrally formed on the outer wall of the fixing hook plate, and hook grooves are symmetrically formed on the outer wall of the fixing hook plate with respect to the through groove, and the hook grooves are assembled to fix the fixing ring.

[0014] Preferably, both side ends of the fixing ring are driven to be symmetrically clamped in the hook groove, the fixing ring is threaded and surrounded, the fixing ring is centrally sleeved on the outer wall of the screw and abuts against the top of the abutting clamping ring.

[0015] Preferably, a fixing block is provided on the outer wall of the connecting block away from the fixing ring, a communicating wire feeding groove is provided inside the fixing block, a wire feeding assembly is clamped inside the wire feeding groove, and slot holes communicating with the wire feeding groove are symmetrically provided on the outer wall of the fixing block, and a fastening bolt is provided inside the slot hole to abut the wire feeding assembly.

[0016] Preferably, the wire feeding assembly includes a wire feeding rod, and the opposite ends of the wire feeding rod are respectively provided with a wire outlet head and a card interface, and the interior of the wire feeding assembly remains hollow.

[0017] Beneficial effects:

[0018] Compared with the prior art, the welding gun wire feeding device provided by the present invention has the following beneficial effects:

[0019] 1. The tightening of the screws inserted into the fixing assembly can drive the expansion and contraction of the fixing ring, so that the outside of welding guns of different sizes can be clamped to facilitate wire feeding.

[0020] 2. Through the cooperation of the screws penetrating the inside of the connecting block and the nuts sleeved therebetween, the screws are kept tight and will not loosen and fall off the welding gun.

[0021] 3. By sequentially sleeved on the outer wall of the screw with a fixed hook plate and abutting clamping ring, the fixing ring can be driven to be fixed on the outside of the screw in a threaded shape to clamp welding guns of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0023] Figure 1 A schematic structural diagram of a welding gun wire feeding device provided in an embodiment of the present utility model;

[0024] Figure 2 A schematic structural diagram of a fixing assembly provided in an embodiment of the present utility model;

[0025] Figure 3 A schematic structural diagram of a wire feeding assembly provided in an embodiment of the present utility model.

[0026] Main reference numerals:

[0027] 1. Fixing assembly; 2. Wire feeding assembly; 101. Connecting block; 102. Fixing block; 103. Screw; 104. Fixing hook plate; 105. Abutting clamp; 106. Hook groove; 107. Through groove; 108. Fixing ring; 109. Wire feeding groove; 201. Wire feeding rod; 202. Wire outlet; 203. Card interface. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0029] like Figure 1-3As shown, a welding gun wire feeding device includes a fixing component 1, a screw 103 is inserted into the interior of the fixing component 1, a clamping mechanism is provided on the outer sleeve of the screw 103, and the clamping mechanism is assembled to clamp a fixing ring 108. The screw 103 is driven to maintain axial rotation to drive the fixing ring 108 to maintain scaling, and a wire feeding component 2 is inserted into the interior of the fixing component 1 away from the fixing ring 108.

[0030] The main purpose of the welding gun wire feeding device is to drive the expansion and contraction of the fixing ring 108 by tightening the screw 103 inserted inside the fixing component 1, so that it can be clamped to the outside of welding guns of different sizes to facilitate wire feeding; it also drives the screw 103 to remain tight through the cooperation of the screw 103 penetrating the inside of the connecting block 101 and the nut sleeved therebetween, and the fixing ring 108 can be driven to be fixed to the outside of the screw 103 in a threaded shape by the fixing hook plate 104 and the abutting clamping ring 105 that are sequentially sleeved on the outer wall of the screw 103 to clamp welding guns of different sizes.

[0031] In an embodiment, Figure 1 and Figure 2 It can be seen that the fixing assembly 1 includes a connecting block 101, and a threaded groove is penetrated inside the connecting block 101, and the screw 103 penetrates and engages with the inside of the threaded groove, and the outer wall of the connecting block 101 near the bottom of the screw 103 is also sleeved on the screw 103 and provided with a nut, which can drive the screw 103 to remain tight, prevent it from falling off, and prevent the fixing ring 108 from changing in size.

[0032] Furthermore, the clamping mechanism specifically includes a fixed hook plate 104 and an abutting clamping ring 105, which are away from the nut and are sequentially sleeved on the outer wall of the screw 103. The fixed hook plate 104 remains connected to the connecting block 101 and is used to clamp the end of the fixed ring 108. The abutting clamping ring 105 is sleeved on the end of the screw 103. The spacing between the fixed hook plate 104 and the abutting clamping ring 105 allows the fixed ring 108 to shrink within a certain range.

[0033] Furthermore, a through slot 107 is centrally provided on the outer wall of the fixing hook plate 104 for allowing the screw 103 to pass through, and a hook slot 106 is symmetrically provided on the outer wall of the fixing hook plate 104 about the through slot 107, and the hook slot 106 is used to clamp the end of the fixing ring 108, driving the fixing ring 108 to be fixedly set on the outside of the screw 103.

[0034] Furthermore, the interior of the fixing ring 108 is arranged in a threaded shape to form multiple circular rings for clamping the welding gun, and the connecting parts between the circular rings are sleeved on the outer wall of the screw 103 and abut against the top of the abutting clamping ring 105. On the one hand, the downward pressure is used to prevent the abutting clamping ring 105 from falling off, and on the other hand, the spacing between the fixed hook plate 104 and the abutting clamping ring 105 is fixed to make the fixing ring 108 elastically shrink within a certain range.

[0035] In an embodiment, Figure 1 and Figure 3 It can be seen that a fixing block 102 is provided on the outer wall of the connecting block 101 away from the fixing ring 108, and a communicating wire feeding groove 109 is also provided inside the fixing block 102 for clamping the wire feeding assembly 2, and the outer wall of the fixing block 102 is also symmetrically provided with slots, and fastening bolts are provided inside thereof for abutting the wire feeding assembly 2 to fix the wire feeding assembly 2.

[0036] Furthermore, the wire feeding assembly 2 includes a wire feeding rod 201, and the two opposite ends of the wire feeding rod 201 are respectively provided with a wire outlet head 202 and a clamping interface 203, and the interior of the wire feeding assembly 2 remains hollow for clamping the welding wire.

[0037] Working principle: First, clamp the wire feeding assembly 2 into the inside of the wire feeding trough 109 and fix it by tightening the bolts, then clamp the welding wire into the inside of the wire feeding assembly 2;

[0038] Then, according to different sizes of welding guns, the screw 103 and the nut are adjusted to reduce the distance between the fixed hook plate 104 and the abutting clamping ring 105, and the size of the fixing ring 108 is adjusted to be clamped to welding guns of different sizes.

[0039] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A welding gun wire feeding device, characterized in that: The invention comprises a fixing assembly (1), wherein a screw (103) is inserted into the interior of the fixing assembly (1), a clamping mechanism is provided on the exterior of the screw (103), and the clamping mechanism is assembled to clamp a fixing ring (108). The screw (103) is driven to maintain axial rotation to drive the fixing ring (108) to maintain scaling. A wire feeding assembly (2) is inserted into the interior of the fixing assembly (1) away from the fixing ring (108).

2. A welding gun wire feeding device according to claim 1, characterized in that: The fixing assembly (1) comprises a connecting block (101), wherein a thread groove is penetrated through the interior of the connecting block (101), and the screw (103) penetrates and engages with the interior of the thread groove. A nut is sleeved on the outer wall of the connecting block (101) near the bottom of the screw (103) to drive the screw (103) to remain tightened.

3. A welding gun wire feeding device according to claim 2, characterized in that: The clamping mechanism specifically comprises a fixed hook plate (104) and an abutting clamping ring (105) which are sequentially sleeved on the outer wall of the screw (103) away from the nut, the fixed hook plate (104) being kept in contact with the connecting block (101), and the abutting clamping ring (105) being sleeved on the end of the screw (103).

4. A welding gun wire feeding device according to claim 3, characterized in that: A through slot (107) is centrally formed on the outer wall of the fixing hook plate (104), and hook slots (106) are symmetrically formed on the outer wall of the fixing hook plate (104) about the through slot (107), wherein the hook slots (106) are assembled to fix the fixing ring (108).

5. A welding gun wire feeding device according to claim 4, characterized in that: The two side ends of the fixing ring (108) are driven to be symmetrically clamped in the hook groove (106), and the fixing ring (108) is threaded and surrounded. The fixing ring (108) is centrally sleeved on the outer wall of the screw (103) and abuts against the top of the abutting clamping ring (105).

6. A welding gun wire feeding device according to claim 2, characterized in that: A fixing block (102) is provided on the outer wall of the connecting block (101) away from the fixing ring (108), a wire feeding groove (109) communicating with each other is provided inside the fixing block (102), a wire feeding assembly (2) is clamped inside the wire feeding groove (109), and slot holes communicating with the wire feeding groove (109) are symmetrically provided on the outer wall of the fixing block (102), and fastening bolts are provided inside the slot holes to abut against the wire feeding assembly (2).

7. A welding gun wire feeding device according to claim 1, characterized in that: The wire feeding assembly (2) comprises a wire feeding rod (201), and opposite ends of the wire feeding rod (201) are respectively provided with a wire outlet head (202) and a card interface (203), and the interior of the wire feeding assembly (2) remains hollow.

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