Wire feeding clamp

Abstract

The utility model discloses a wire feeding clamp, which belongs to the technical field of welding wire feeders and comprises a base and a driving wheel rotatably mounted on the base. The extrusion wheel is rotationally installed on the extrusion part, the extrusion part is installed on the base, and the extrusion part has abutting force which enables the extrusion wheel to abut against the driving wheel; the limiting cylinder is mounted on the base, and the limiting cylinder is used for limiting the angle of the welding wire entering the position between the driving wheel and the extrusion wheel; wherein the outer side of the driving wheel and the outer side of the extrusion wheel are sleeved with rubber sleeves, the rubber sleeves can generate elastic deformation, and the outer ring face of the periphery of each rubber sleeve is an inclined face with the concave middle and the convex two sides. The rubber sleeves are arranged on the outer side of the extrusion wheel and the outer side of the driving wheel, so that the wire feeding effect can be stably achieved, and slipping or falling off is avoided; and the influence on the service life due to the yarn reversing phenomenon can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding wire feeder technology field, concretely relates to a wire feeding clamp. BACKGROUND

[0002] In the welding operation, the wire feeding clamp is the key auxiliary tool for stably and continuously conveying the welding wire to the welding position. The traditional wire feeding clamp mostly only adopts two rollers to extrude the welding wire for conveying, and the conveying effect of this conveying mode is unstable, and the phenomenon of slipping or falling off is easily generated, thereby affecting the welding quality and efficiency, and when stopping the wire feeding, the phenomenon of reverse wire feeding is easily generated due to the elasticity of the welding wire, the service life is affected, and in order to solve the above problems, the utility model provides a wire feeding clamp. UTILITARY MODEL CONTENT

[0003] In view of the above technical deficiencies, the utility model aims at providing a wire feeding clamp, rubber sleeves are arranged outside the extrusion wheel and the driving wheel, the wire feeding effect can be stably realized, the slipping or falling off is avoided, and the service life is affected by the phenomenon of reverse wire feeding and can be avoided through the arrangement of the limiting cylinder.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides a wire feeding clamp, which comprises:

[0005] a base;

[0006] a driving wheel rotatably installed on the base;

[0007] an extrusion wheel rotatably installed on an extrusion part, wherein the extrusion part is installed on the base, and the extrusion part has a pressing force for pressing the extrusion wheel against the driving wheel;

[0008] a limiting cylinder installed on the base, and the limiting cylinder is used for limiting the angle of the welding wire entering between the driving wheel and the extrusion wheel;

[0009] Wherein, the outer side of the driving wheel and the extrusion wheel is sleeved with a rubber sleeve, the rubber sleeve can be elastically deformed, and the outer ring surface of the rubber sleeve is a slope with a concave middle and convex sides.

[0010] Preferably, the extrusion part comprises:

[0011] a sliding block slidably connected in a groove provided on the base;

[0012] a spring, one end of the spring is fixedly connected with the sliding block, and the other end is fixedly connected with the groove wall, and the spring applies an elastic force to the sliding block in the direction of the driving wheel;

[0013] Wherein, the extrusion wheel is rotatably connected with the sliding block through the fixed shaft fixedly connected thereon.

[0014] Preferably, the limiting cylinder is conical in shape, and the diameter of the end of the limiting cylinder away from the driving wheel is larger than the diameter of the other end, and a plurality of through grooves are arranged on the side of the end of the limiting cylinder with the smaller diameter, and the limiting cylinder is made of elastic material.

[0015] Preferably, a fixing ring is fixedly sleeved on the outside of the end of the limiting cylinder with the larger diameter, and a fixing plate is fixedly connected to the fixing ring, and the fixing plate is connected to the base by bolts.

[0016] Preferably, a supporting plate is arranged on the side of the base away from the limiting cylinder, and the supporting plate is used for supporting and guiding the angle of the welding wire after leaving the driving wheel and the extruding wheel, and the supporting plate is connected to the base by a connecting rod fixedly connected to the supporting plate.

[0017] Preferably, the supporting plate is arc-shaped, and the opening end of the supporting plate faces upward.

[0018] The utility model discloses the beneficial effect lies in:

[0019] The utility model discloses the setting of driving wheel, extruding wheel and rubber sleeve, realized extruding wheel when sending wire, and the welding wire is pushed to the direction of driving wheel, can be extruded with driving wheel mutual cooperation welding wire, and can further increase the friction between welding wire and driving wheel and extruding wheel because of the setting of rubber sleeve, can make driving wheel and extruding wheel can stably convey welding wire, and because the outer annular surface of rubber sleeve ring is the inclined plane of two sides convex of middle concave, can play the positioning effect to welding wire, avoid the phenomenon that welding wire falls off from driving wheel and extruding wheel.

[0020] The utility model discloses the setting of limiting cylinder, and the diameter of the end of the limiting cylinder close to driving wheel is less than the diameter of the other end, can make welding wire smoothly pass limiting cylinder and move to the direction of driving wheel, and cannot reverse movement, avoid when stopping sending wire, produce the phenomenon of reverse wire. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawing needed to use in the embodiment or prior art description briefly introduce, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0022] Figure 1 It is a structure schematic view (the first visual angle) of the wire feeding clamp provided by the embodiment of the utility model.

[0023] Figure 2 It is a structure schematic view (the second visual angle) of the wire feeding clamp provided by the embodiment of the utility model.

[0024] Figure 3 A sectional view of the present application.

[0025] Figure 4 An enlarged view of A of the present application Figure 3

[0026] BRIEF DESCRIPTION OF DRAWINGS

[0027] 1, base, 2, driving wheel, 3, extrusion wheel, 4, limiting cylinder, 5, sliding block, 6, through slot, 7, fixed ring, 8, fixed plate, 9, supporting plate, 10, rubber sleeve, 11, motor, 12, connecting rod, 13, hollow groove, 14, spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] The present application provides a wire feeding clamp, as shown in Figures 1 to 4

[0030] Embodiment one

[0031] The present application provides a wire feeding clamp, comprising a base 1, the shape of the base 1 is "L" shape, a plurality of mounting holes are arranged on the horizontal end side wall of the base 1, a driving wheel 2 is rotatably installed on the vertical side wall of the base 1, and the driving wheel 2 is driven by a motor 11, the motor 11 is installed on the base 1, and the motor shaft of the motor 11 penetrates through the base 1 and is fixedly connected with the driving wheel 2, the rotation of the motor shaft of the motor 11 drives the rotation of the driving wheel 2, an extrusion wheel 3 is arranged above the driving wheel 2, the extrusion wheel 3 is rotatably installed on an extrusion part, the extrusion part is installed on the base 1, and the extrusion part has a pressing force for pressing the extrusion wheel 3 against the driving wheel 2, when the welding wire passes between the extrusion wheel 3 and the driving wheel 2, the extrusion wheel 3 and the driving wheel 2 can clamp the welding wire together, and when the driving wheel 2 rotates, the extrusion wheel 3 can cooperate with the driving wheel 2 to perform the wire feeding work.

[0032] The extrusion part comprises a sliding block 5, a fixed shaft is fixedly connected with the extrusion wheel 3, the fixed shaft is rotatably connected with the sliding block 5, the sliding block 5 is slidably connected in the inside of the hollow groove 13 arranged on the base 1, a spring 14 is connected between the sliding block 5 and the groove wall of the hollow groove 13, one end of the spring 14 is fixedly connected with the sliding block 5, and the other end is fixedly connected with the groove wall of the hollow groove 13, the spring 14 has a pressing force for pressing the sliding block 5 against the driving wheel 2, so that the extrusion wheel 3 can press against the driving wheel 2.​​

[0033] In order to improve the friction between the extrusion wheel 3 and the driving wheel 2 and the welding wire, a rubber sleeve 10 is fixed on the outer side of the extrusion wheel 3 and the driving wheel 2, the rubber sleeve 10 can produce elastic deformation, when the extrusion wheel 3 and the driving wheel 2 convey the welding wire, the position of the rubber sleeve 10 in contact with the welding wire will produce elastic deformation matched with the welding wire, and the outer ring surface of the rubber sleeve 10 is a slope with a concave middle and convex sides, which can position the welding wire when the extrusion wheel 3 and the driving wheel 2 convey the welding wire, avoiding the welding wire from falling off.

[0034] Embodiment two:

[0035] On the basis of the first embodiment, in order to make the welding wire be conveyed more stably, a limiting cylinder 4 is arranged on one side of the base 1, and a supporting plate 9 is arranged on the other side, the limiting cylinder 4 is fixedly connected with a fixed ring 7, the fixed ring 7 is fixedly connected with a fixed plate 8, the fixed plate 8 is connected with the base 1 through bolts, the supporting plate 9 is fixedly connected with a connecting rod 12, the connecting rod 12 is fixedly connected with the base 1, the supporting plate 9 is an arc with an opening upward, when the welding wire is conveyed, the welding wire passes through the limiting cylinder 4, the driving wheel 2 and the extrusion wheel 3 in turn, and finally passes through the supporting plate 9, the limiting cylinder 4 and the supporting plate 9 can limit the path and angle of the welding wire entering and leaving the driving wheel 2 and the extrusion wheel 3, so that the driving wheel 2 and the extrusion wheel 3 can convey the welding wire more stably.

[0036] In order to avoid the welding wire from being retracted due to the elasticity of the welding wire when the conveying of the welding wire is stopped, the shape of the limiting cylinder 4 is tapered, the material of the limiting cylinder 4 is an elastic material (such as elastic plastic), the diameter of the end of the limiting cylinder 4 away from the driving wheel 2 is larger than the diameter of the other end, the diameter of the welding wire is larger than the diameter of the thin end of the limiting cylinder 4 and smaller than the diameter of the thick end of the limiting cylinder 4, and a plurality of through grooves 6 are arranged on the side of the end of the limiting cylinder 4 with a small diameter, when the welding wire passes through the limiting cylinder 4, the end of the limiting cylinder 4 with a small diameter can be expanded, so that the welding wire can smoothly pass through the limiting cylinder 4, and due to the inclination angle of the end of the limiting cylinder 4 with a small diameter, the welding wire can smoothly move from the thick end to the thin end of the limiting cylinder 4, but cannot move reversely from the thin end to the thick end, so that the welding wire can be prevented from being retracted due to the elasticity of the welding wire when the conveying of the welding wire is stopped.

[0037] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies thereof, the present application also intends to include these modifications and variations.

Claims

1. A wire feeder clamp, comprising: It includes: Base (1); Driving wheel (2), the driving wheel (2) is rotatably mounted on base (1); Extrusion wheel (3), the extrusion wheel (3) is rotatably mounted on the extrusion part, the extrusion part is mounted on base (1), and the extrusion part has the pressing force of pressing the extrusion wheel (3) to the driving wheel (2); Limiting cylinder (4), the limiting cylinder (4) is mounted on base (1), and the limiting cylinder (4) is used to limit the angle of the welding wire entering between the driving wheel (2) and the extrusion wheel (3); Wherein, the outer side of the driving wheel (2) and the extrusion wheel (3) is sleeved with rubber sleeve (10), the rubber sleeve (10) can produce elastic deformation, and the outer ring surface of the rubber sleeve (10) is a slope with concave middle and convex sides.

2. A wire feeder assembly as claimed in claim 1, wherein, The extrusion part includes: Sliding block (5), the sliding block (5) is slidingly connected in the air slot (13) provided on base (1); Spring (14), one end of the spring (14) is fixedly connected with the sliding block (5), the other end is fixedly connected with the slot wall of the air slot (13), and the spring (14) applies elastic force to the sliding block (5) in the direction of the driving wheel (2); Wherein, the extrusion wheel (3) is rotatably connected with the sliding block (5) through the fixed shaft fixedly connected thereon.

3. A wire feeder assembly as in claim 1, wherein, The shape of the limiting cylinder (4) is conical, and the diameter of the end of the limiting cylinder (4) away from the driving wheel (2) is greater than that of the other end, a plurality of through grooves (6) are arranged on the side surface of the end of the limiting cylinder (4) with small diameter, and the material of the limiting cylinder (4) is elastic material.

4. A wire feeder assembly as claimed in claim 3, wherein The outer side of the end of the limiting cylinder (4) with large diameter is fixedly sleeved with a fixed ring (7), the fixed ring (7) is fixedly connected with a fixed plate (8), and the fixed plate (8) is connected with the base (1) through bolts.

5. A wire feeder assembly as claimed in claim 1, wherein, The side of the base (1) away from the limiting cylinder (4) is provided with a supporting plate (9), the supporting plate (9) is used to support and guide the angle of the welding wire after leaving the driving wheel (2) and the extrusion wheel (3), and the supporting plate (9) is connected with the base (1) through the connecting rod (12) fixedly connected thereon.

6. A wire feeder assembly as claimed in claim 5, wherein, The shape of the supporting plate (9) is arc-shaped, and the opening end of the supporting plate (9) faces upward.

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