CN209902426U

CN209902426U - Prevent blockking up constant voltage wire drive feed unit

Info

Publication number: CN209902426U
Application number: CN201821956326.1U
Authority: CN
Inventors: 侯世强
Original assignee: SHENZHEN DONRUN WELDING EQUIPMENT CO Ltd
Current assignee: SHENZHEN DONRUN WELDING EQUIPMENT CO Ltd
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2020-01-07
Anticipated expiration: 2028-11-26

Abstract

The utility model relates to a welding equipment technical field discloses a prevent blockking up constant voltage wire drive feed unit, including sending a frame, send a frame right side fixed connection to send the silk head, send the silk head to rotate and connect the guide pulley, send a frame sliding connection guide bar, the first fixed block of guide bar left side fixed connection, the first spring of first fixed block fixed connection. The utility model discloses can be used in the function that the welding machine sent the silk, through having set up the guide bar, send a frame and first spring constitution elastic sliding mechanism, guarantee the rate of tension dynamic balance of welding wire through elastic sliding mechanism, thereby make the speed that send the silk adapts to the welding wire and consumes constantly, thereby make weldment work normally go on, through setting up second spring and bearing, make first wire feeding wheel and second send wire wheel between the pressure keep invariable, the condition that the welding wire blockked up can not appear in the whole in-process of sending the silk has been guaranteed, and the operation is simple, the work degree of difficulty of operating personnel has been reduced, and the suitable popularization and use.

Description

Prevent blockking up constant voltage wire drive feed unit

Technical Field

The utility model relates to a welding equipment technical field specifically is a prevent blockking up constant voltage wire drive feed unit.

Background

The welding technology can simplify the production process of large-scale equipment, simultaneously can also reduce the manufacturing cost, and because the stability of the welding part is higher, the welding technology is more widely applied at present.

The argon arc welding machine is used as a welding machine which is applied more in the welding technology, a disc-shaped welding wire needs to be installed on the welding machine firstly, and when the welding machine is used, the welding wire is sent out through a wire feeding mechanism arranged on the welding machine, so that the welding machine can be used by a welding gun to realize welding. However, the welding wire is unstable in use speed in the welding process, and most wire feeding mechanisms feed wires at a constant speed, so that the pressure during wire feeding fluctuates, the distance between the welding wire and a welded part is influenced, and the quality of the welded part is finally directly influenced.

Chinese patent (publication number: CN205362961U) discloses a hand-held automatic wire feeder with adjustable wire feeding speed, which comprises a shell, and a power supply, a control switch, a speed regulating plate, a driving device and a wire feeding mechanism which are arranged in the shell, wherein the power supply, the control switch and the speed regulating plate are sequentially connected through a lead, and the speed regulating plate is electrically connected with the driving device; the driving device comprises a micro speed reduction motor and a bevel gear A meshed with the micro speed reduction motor, a bevel gear B, the bevel gear A is installed on an output shaft of the micro speed reduction motor, a wire feeding mechanism is connected to the bottom face of the bevel gear B, the wire feeding mechanism comprises a driving wheel fixed on the inner side wall of a shell, a driven wheel is connected to the bottom face of the bevel gear B, a gap of 0-2.5 mm for a welding wire to pass through is reserved between the driving wheel and the driven wheel, the device can realize manual adjustment of wire feeding speed, in the actual use process, the pressure for wire feeding is in continuous fluctuation, the effect of stabilizing the wire feeding pressure by only manually adjusting the wire feeding speed is not good, and the working efficiency of operators.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent blockking up constant voltage wire drive feed unit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an anti-clogging constant-pressure wire feeding device comprises a wire feeding frame, a wire feeding head is fixedly connected to the right side of the wire feeding frame, the wire feeding head is rotatably connected with a guide wheel, the wire feeding frame is slidably connected with a guide rod, the left side of the guide rod is fixedly connected with a first fixing block, the first fixing block is fixedly connected with a first spring, the right side of the first spring is fixedly connected with a second fixing block, the lower part of the wire feeding frame is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a first belt wheel, the first belt wheel is connected with a second belt wheel through a belt, the second belt wheel is coaxially connected with a first gear, the wire feeding frame is characterized in that a sliding groove is formed in the upper portion of the wire feeding frame, the sliding groove is connected with a bearing in a sliding mode, the bearing is connected with a second rotating shaft in a rotating mode, the middle of the second rotating shaft is fixedly connected with a second wire feeding wheel, the right side of the second rotating shaft is fixedly connected with a second gear, the second gear is meshed with a first gear, the first gear is fixedly connected with a first rotating shaft, and the middle of the first rotating shaft is fixedly connected with a first wire feeding wheel.

As a further aspect of the present invention: and the left end of the wire feeding frame is fixedly connected with a second fixed block.

As a further aspect of the present invention: the wire feeding frame is rotatably connected with the first rotating shaft.

As a further aspect of the present invention: and a welding wire is arranged on the first wire feeding wheel.

As a further aspect of the present invention: the upper part of the sliding chute is fixedly connected with a second spring, and the lower part of the second spring is fixedly connected with a bearing.

As a further aspect of the present invention: the right end of the guide rod is fixedly connected with a limiting block.

As a further aspect of the present invention: the left side of the wire feeding frame is fixedly connected with a contact sensor, and the lower part of the contact sensor is connected with a welding wire in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses can be used in the function that the welding machine sent the silk, through having set up the guide bar, send a frame and first spring constitution elastic sliding mechanism, guarantee the rate of tension dynamic balance of welding wire through elastic sliding mechanism, thereby make the speed that send the silk adapts to the welding wire and consumes constantly, thereby make weldment work normally go on, through setting up second spring and bearing, make first wire feeding wheel and second send wire wheel between the pressure keep invariable, the condition that the welding wire blockked up can not appear in the whole in-process of sending the silk has been guaranteed, and the operation is simple, the work degree of difficulty of operating personnel has been reduced, and the suitable popularization and use.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of an anti-clogging constant-pressure wire feeding device.

FIG. 2 is a schematic cross-sectional view of a section A-A of an embodiment of an anti-clogging constant pressure wire feeding device.

FIG. 3 is a schematic structural diagram of a second embodiment of an anti-clogging constant-pressure wire feeding device.

In the figure: the wire feeding device comprises a guide rod 1, a first fixing block 2, a first spring 3, a second fixing block 4, a motor 5, a belt 6, a first belt wheel 7, a wire feeding frame 8, a wire feeding head 9, a guide wheel 10, a welding wire 11, a first rotating shaft 12, a second belt wheel 13, a first gear 14, a second rotating shaft 15, a second gear 16, a bearing 17, a sliding chute 18, a second spring 19, a second wire feeding wheel 20, a first wire feeding wheel 21, a contact sensor 22 and a limiting block 23.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example one

Referring to fig. 1, an anti-clogging constant-pressure wire feeding device comprises a wire feeding frame 8, a wire feeding head 9 is fixedly connected to the right side of the wire feeding frame 8, the wire feeding head 9 is rotatably connected with a guide wheel 10, a welding wire 11 is wound on the guide wheel 10, the wire feeding frame 8 is slidably connected with a guide rod 1, the left side of the guide rod 1 is fixedly connected with a first fixed block 2, the first fixed block 2 is fixedly connected with a first spring 3, the right side of the first spring 3 is fixedly connected with a second fixed block 4, the left end of the wire feeding frame 8 is fixedly connected with a second fixed block 4, the lower portion of the wire feeding frame 8 is fixedly connected with a motor 5, an output shaft of the motor 5 is fixedly connected with a first belt wheel 7, the first belt wheel 7 is connected with.

Referring to fig. 1 and 2, a sliding groove 18 is formed in an upper portion of the wire feeding frame 8, the sliding groove 18 is slidably connected with a bearing 17, a second spring 19 is fixedly connected to an upper portion of the sliding groove 18, the bearing 17 is fixedly connected to a lower portion of the second spring 19, the bearing 17 is rotatably connected to a second rotating shaft 15, a second wire feeding wheel 20 is fixedly connected to a middle portion of the second rotating shaft 15, a second gear 16 is fixedly connected to a right side of the second rotating shaft 15, the second gear 16 is engaged with a first gear 14, the wire feeding frame 8 is rotatably connected to a first rotating shaft 12, the first gear 14 is fixedly connected to a first rotating shaft 12, a first wire feeding wheel 21 is fixedly connected to a middle portion of the first rotating shaft 12, a welding wire 11 is arranged on the first wire feeding wheel 21, grooves are formed in cross sections of the first wire feeding wheel 21 and the second wire feeding wheel 20, so that the first wire feeding wheel 21 and the second wire feeding wheel 20 can be well attached to the welding wire 11, a contact area with the welding, and the welding wire 11 is driven to move to the right by the mutual movement of the two wire feeding wheels, thereby completing the wire feeding action.

Example two

Referring to fig. 3, the second embodiment is improved on the basis of the first embodiment, the right end of the guide rod 1 is fixedly connected with a limiting block 23, and in order to prevent the whole wire feeding frame 8 from slipping off the guide rod 11 due to improper operation of an operator, the right end of the guide rod 11 is fixedly connected with the limiting block 23, so that the sliding distance of the wire feeding frame 8 is limited, and the wire feeding frame 8 is ensured not to slip off the guide rod 11; send a frame 8 left side fixed connection contact sensor 22, contact sensor 22 lower part sliding connection welding wire 11, whether have welding wire 11 to enter into a frame 8 inside through the real-time inspection of contact sensor 22, when welding wire 11 used up, contact sensor 22 can not discern the existence of welding wire 11 to send out the police dispatch newspaper, remind operating personnel welding wire 11 to use up, supplementary welding wire 11 that operating personnel can be timely this moment, thereby guarantee whole weldment work's normal clear.

In the utility model, in the using process, the second gear 16 is pulled upwards, so that the second gear 16 drives the second rotating shaft 15 to slide upwards, the second wire feeding wheel 20 is separated from the first wire feeding wheel 21, at the moment, the welding wire 11 passes through a gap between the two wire feeding wheels from left to right, the second gear 16 is loosened, the second spring 19 presses the bearing 17 downwards along the chute 18, the second wire feeding wheel 20 and the first wire feeding wheel 21 clamp the welding wire 11 tightly, and the second gear 16 is pressed downwards through the second rotating shaft 15, the second gear 16 is meshed with the first gear 14, at the moment, the motor 5 is started, the motor 5 drives the first belt wheel 7 to rotate through the output shaft, the first belt wheel 7 drives the second belt wheel 13 to rotate through the belt 6, the second belt wheel 13 drives the first gear 14 coaxially connected with the second belt wheel to rotate, the first gear 14 drives the first wire feeding wheel 21 to rotate, and the first gear is meshed with the second belt wheel 7, the first gear 14 drives the second gear 16 to rotate, the second gear 16 drives the second wire feeding wheel 20 coaxially connected with the second gear to rotate, the first wire feeding wheel 21 and the second wire feeding wheel 20 rotate mutually, so that the welding wire 11 clamped in the middle is conveyed rightwards, the welding wire 11 extends out of the wire feeding frame 8 through the wire feeding head 9 and turns under the action of the guide wheel 10, so that other parts such as an upper welding gun and the like are connected to perform welding operation, in the welding process, the consumption speed of the welding wire 11 is continuously changed, so that the tension of the welding wire 11 is continuously changed, the welding wire 11 pulls the whole welding wire frame 8 to slide on the guide rod 1, the stability of the left-right sliding of the whole welding wire frame 8 is ensured through the first spring 3, the tension of the welding wire 11 is ensured to be dynamically balanced, the distance between the welding wire 11 and a welding workpiece is kept stable, the normal operation is ensured, the utility model can be used in the wire feeding function of a, through having set up guide bar 1, send a frame 8 and first spring 3 to constitute elastic sliding mechanism, guarantee the rate of tension dynamic balance of welding wire 11 through elastic sliding mechanism, thereby make the speed that send a adapts to the 11 consumptions of welding wire constantly change, thereby make weldment work normally go on, through setting up second spring 19 and bearing 17, make first wire feeding wheel 21 and second wire feeding wheel 20 between pressure keep invariable, the whole condition of sending the wire in-process and can not appearing the welding wire jam has been guaranteed, and the operation is simple, the work degree of difficulty of operating personnel has been reduced, and the application is suitable for popularization and use.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a prevent blockking up constant voltage wire drive feed unit, includes a frame (8) that send silk, send a frame (8) right side fixed connection to send silk head (9), send a first (9) rotation connection guide pulley (10), its characterized in that, send a frame (8) sliding connection guide bar (1), guide bar (1) left side fixed connection first fixed block (2), first fixed block (2) fixed connection first spring (3), first spring (3) right side fixed connection second fixed block (4), send a frame (8) lower part fixed connection motor (5), motor (5) output shaft fixed connection first band pulley (7), second band pulley (13) is connected through belt (6) in first band pulley (7), second band pulley (13) coaxial coupling first gear (14), send a frame (8) upper portion to be equipped with spout (18), spout (18) sliding connection bearing (17), bearing (17) rotate and connect second pivot (15), second pivot (15) middle part fixed connection second send silk wheel (20), second pivot (15) right side fixed connection second gear (16), first gear (14) are connected in the meshing of second gear (16), first gear (14) fixed connection first pivot (12), first pivot (12) middle part fixed connection first send silk wheel (21).

2. The anti-clogging constant-pressure wire feeding device according to claim 1, wherein the left end of the wire feeding frame (8) is fixedly connected with the second fixing block (4).

3. The anti-clogging constant pressure wire feeder according to claim 1 or 2, characterized in that the wire feed frame (8) is rotatably connected to the first shaft (12).

4. The anti-clogging constant pressure wire feeder according to claim 1, characterized in that the first wire feeding wheel (21) is provided with a welding wire (11).

5. The anti-clogging constant pressure wire feeding device according to claim 1, wherein the upper portion of the chute (18) is fixedly connected with a second spring (19), and the lower portion of the second spring (19) is fixedly connected with a bearing (17).

6. The anti-clogging constant-pressure wire feeding device according to claim 1, wherein the right end of the guide rod (1) is fixedly connected with a limiting block (23).

7. The anti-clogging constant pressure wire feeder according to claim 1 or 2, characterized in that the left side of the wire feeding frame (8) is fixedly connected with the contact sensor (22), and the lower part of the contact sensor (22) is slidably connected with the welding wire (11).