CN210754151U - Welding agent recycling mechanism of seam welding all-in-one machine - Google Patents

Abstract

The utility model discloses a welding flux recovery mechanism of stitch welding all-in-one, it includes air exhauster, recovery drum and the material pipe of inhaling that is linked together with the recovery drum, inhale the material pipe and keep away from the one end of recovery drum and be connected with coniform material head of inhaling, the air exhauster sets firmly at the top of frame, the recovery drum is fixed connection in the frame and is located the top that holds the box, the exhaust column and the recovery drum of air exhauster are linked together, be equipped with filter cloth at the mouth of pipe department of exhaust column on the inner wall of recovery drum, be linked together through the second connecting pipe between recovery drum and the holding box, be equipped with control flap on the second connecting pipe; the utility model discloses thereby have and carry out recycle to the remaining welding agent in welding process steel pipe surface and reach resources are saved's effect.

Description

Welding agent recycling mechanism of seam welding all-in-one machine

Technical Field

The utility model relates to a steel pipe processing machinery equipment's technical field especially relates to a mechanism is retrieved to welding flux of stitch welding all-in-one.

Background

In actual operation, the seam welding all-in-one machine is also called a steel pipe seam welding machine, and the existing common steel pipe seam welding machine adopts a downward pressing hydraulic cylinder to abut against a welding seam above a steel pipe and two side clamping hydraulic cylinders to abut and fix the steel pipe, so that the steel pipe seam welding is carried out.

At present, chinese patent with publication number CN205733491U discloses a stitch welding all-in-one machine, including the main frame, wear to be equipped with a conveyor who is used for the transportation to treat the welded steel pipe below the main frame, the main frame front side is connected with welding mechanism and master cylinder, welding mechanism includes the soldered connection, a welding gas storehouse section of thick bamboo, the welding wire, the wire reel and the adjusting part who is used for adjusting the soldered connection direction, two side frames frame has still been placed at the main frame front side, the side frame is located the steel pipe left and right sides respectively, be connected with the compression roller subassembly that is used for the fixed steel pipe left and right sides on the side. When the steel pipe transports to the welding mechanism below, fix the steel pipe left and right sides through the compression roller assembly of left and right sides earlier, weld the steel pipe gap through welding mechanism again and last the welding, the compression roller assembly of left and right sides is the butt steel pipe all the time in welding process.

In actual operation, need install the box that holds that is used for holding the solid welding machine on main frame, hold the box setting and be linked together to the butt joint through the connecting pipe in the top of soldered connection, the welding flux can fall the splice of steel pipe from the soldered connection during the welding, and the soldered connection spouts high temperature solution and beats the splice of welding flux fusion welding at the steel pipe simultaneously, reaches the welding effect. However, a part of welding agent exists on the surface of the welded part of the steel pipe and is not welded on the steel pipe, and after welding is finished, the residual welding agent can slide off the steel pipe along with the movement of the steel pipe, so that resource waste is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mechanism is retrieved to welding agent of stitch welding all-in-one, it has resources are saved's effect to the not enough that prior art exists.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a mechanism is retrieved to welding flux of stitch welding all-in-one, sets up in the frame of stitch welding machine body, is equipped with the box that holds that is used for holding the welding flux in the frame of stitch welding machine body, holds the box and communicates with welder through first connecting pipe, including air exhauster, recovery drum and the material pipe of inhaling that is linked together with the recovery drum, the one end of inhaling that the recovery drum was kept away from to the material pipe is connected with coniform suction head, the air exhauster sets firmly the top in the frame, recovery drum fixed connection just is located the top of holding the box in the frame, the exhaust column and the recovery drum of air exhauster are linked together, be equipped with the filter cloth in the mouth of pipe department of exhaust column on the inner wall of recovery drum, it is linked together through the second connecting pipe between recovery drum and the box, be equipped with control flap on.

Through the technical scheme: when a welding gun welds welding agent at the welding seam of the steel pipe, an operator can hold the material suction pipe by hand, align the material suction head at the welding seam of the steel pipe, and start the exhaust fan, so that negative pressure is formed in the recovery cylinder and the material suction pipe, and the residual welding deposit at the welding seam of the steel pipe is sucked into the material suction pipe and collected in the recovery cylinder. After the recovery is finished, the exhaust fan stops working, an operator opens the second connecting pipe through the control valve, and the welding agent in the recovery cylinder enters the containing box through the second connecting pipe and is put into use. By the arrangement, the residual welding agent on the steel pipe in the welding process is recycled, and resources are saved.

The utility model discloses further set up to: one section of the recovery cylinder close to the second connecting pipe is in a cone shape.

Through above-mentioned technical scheme, when the welding agent was put into use by the recovery drum by the collection, the welding agent can concentrate and pile up in the bottom of recovery drum and through second connecting pipe entering hold the box in by recycle, the welding agent in the recovery drum of being convenient for all enters into the second connecting pipe fast.

The utility model discloses further set up to: be equipped with in the frame and hold the box between the recovery section of thick bamboo and holding the box, accept the one end of box orientation recovery section of thick bamboo and establish to the open end, the one end that the recovery section of thick bamboo was kept away from to the second connecting pipe stretches into in accepting the box, accept the box and be linked together through the third connecting pipe and hold the box, it is equipped with the filter screen in accepting the box, the mesh diameter of filter screen is less than the diameter of welding agent, the filter screen slope sets up, just there is the baffle along vertical direction rigid coupling on the diapire of holding the box, one side that the diapire of holding the box was kept away from to the baffle links to each other with the filter screen, baffle and filter screen will accept the box in and divide into impurity blanking district and filtering area, the.

Through above-mentioned technical scheme, the welding agent enters into earlier and accepts in the box before getting into and holding the box, and the welding agent that is mingled with impurity falls on the filter screen, and impurity falls impurity blanking district through the mesh of filter screen, and the welding agent that passes through the filtration is located the filtering area and slides along the surface orientation of filter screen and accepts the bottom of box to enter into and hold the box through the third connecting pipe and in by recycle. The arrangement of the receiving box and the filter screen plays a role in filtering the recycled welding agent, and is favorable for improving the purity of the recycled welding agent.

The utility model discloses further set up to: the bottom of the receiving box is provided with a discharge port, the discharge port is communicated with an impurity blanking area, and the discharge port is blocked by a sealing plug.

Through above-mentioned technical scheme, when the impurity that is filtered by the filter screen is when accepting accumulational more in the box, the operator takes off the sealing plug from the bin outlet to impurity discharges in accepting the box through the bin outlet, has reduced impurity and has accepted accumulational too much and surpass the height of baffle in the box and cause impurity to enter into the filtration zone through the filter screen and the welding agent together gets into the possibility in the third connecting pipe.

The utility model discloses further set up to: and an observation window is arranged on the side wall of the impurity blanking area on the receiving box, and the observation window is sealed by transparent glass.

Through above-mentioned technical scheme, the operator can look over the accumulational height of the impurity in impurity blanking district through observation window department transparent glass at any time, when seeing that the height of piling up of impurity is about to with the highly relative level of baffle at ordinary times, the operator opens the bin outlet and carries out timely row material to impurity.

The utility model discloses further set up to: hold the orientation of box one side of holding the box is equipped with the charge door, the one end of third connecting pipe is passed through the charge door and is stretched into in holding the box, the frame orientation one side rigid coupling of holding the box has the fixed block, it has the axis of rotation to hold the box towards one side rigid coupling of frame, the axis of rotation passes through the bearing and rotates the connection on the fixed block, the spacing groove has been seted up towards one side of fixed block to hold the box, the fixed block slides along width direction towards one side of recovery section of thick bamboo and is connected with the stopper, the stopper is pegged graft at the spacing inslot towards the one end of holding the box.

Through above-mentioned technical scheme, the operator can shift out the stopper from accepting the spacing inslot in the box, will accept the axis of rotation on the box again and rotate along the bearing, will accept the open end of box and rotate downwards to be convenient for will accept remaining impurity in the box and pour out from the open end. After the cleaning is finished, the operator rotates the receiving box to the initial position and inserts the limiting block into the limiting groove again to limit the position of the receiving box. Due to the arrangement, an operator can clean impurities in the bearing box conveniently, and the cleaning quality is guaranteed.

The utility model discloses further set up to: the fixed block has seted up the spout towards one side of a recovery section of thick bamboo along width direction, the stopper restriction is in the spout, set firmly compression spring on the cell wall that the bearing box was kept away from to the spout and between the stopper, the one end that compression spring was kept away from to the stopper is inconsistent with the cell wall of spacing groove.

Through above-mentioned technical scheme, when the stopper is pegged graft at the spacing inslot, compression spring is compressed for the stopper is contradicted on the cell wall of spacing groove, has reduced the stopper and has taken place to remove in the spout and from the possibility that the spacing inslot breaks away from, is favorable to increasing the stability of being connected between stopper and the spacing groove, thereby is favorable to increasing the stability that the frame accepted the box position.

The utility model discloses further set up to: slide along the width direction in the frame and be connected with and be used for fixing inhale the connecting rod of material pipe, the one end that the frame was kept away from to the connecting rod extends to the top of the splice of steel pipe, sets firmly the cylinder that is used for driving the connecting rod to remove in the frame, the connecting rod is kept away from and is seted up the through-hole along vertical direction on the lateral wall of frame, the through-hole establish to the step form and with inhale material pipe and inhale stub bar looks adaptation.

Through above-mentioned technical scheme, the operator can be with inhaling in the through-hole of material pipe and lower clutch grafting on the connecting rod to start cylinder drive connecting rod and remove along the width direction of frame, realize inhaling the material and retrieving the remaining welding flux of steel pipe weld joint department, set up like this, need not the manual work and hold the material pipe of inhaling and inhale the welding flux with the hand, be favorable to using manpower sparingly.

To sum up, the utility model discloses following beneficial effect has:

1. the recovery and the utilization of the residual welding agent on the steel pipe during welding are realized, the waste of resources is reduced, and the cost is reduced;

2. the connecting rod is arranged to fix the material suction pipe, the material suction pipe does not need to be held manually to suck materials, and the loss of manpower is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of the first embodiment.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

Fig. 4 is a schematic structural diagram for showing the internal structure of the receiving box and the connection relationship between the receiving box and the fixing block in the first embodiment.

Fig. 5 is an enlarged view of a portion C in fig. 4.

Fig. 6 is a schematic view of the overall structure of the second embodiment.

Fig. 7 is a schematic structural diagram for showing the positional relationship between the material suction pipe and the material suction head and the through hole on the connecting rod in the second embodiment.

Reference numerals: 1. a stitch welding machine body; 2. a frame; 3. accommodating the box; 4. a first connecting pipe; 5. a welding gun; 6. an exhaust fan; 7. a recovery cylinder; 8. a material suction pipe; 9. a filter cloth; 10. a suction head; 11. a second connecting pipe; 12. a control valve; 13. a receiving box; 14. an open end; 15. a third connecting pipe; 16. a filter screen; 17. a baffle plate; 18. an impurity blanking area; 19. a filtration zone; 20. a discharge outlet; 21. a sealing plug; 22. an observation window; 23. transparent glass; 24. a feed inlet; 25. a fixed block; 26. a rotating shaft; 27. a bearing; 28. a limiting groove; 29. a limiting block; 30. a chute; 31. a compression spring; 32. a connecting rod; 33. a cylinder; 34. a through hole; 35. an exhaust pipe; 36. fixing the rod; 37. a support frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows: referring to fig. 1, for the utility model discloses a mechanism is retrieved to welding flux of stitch welding all-in-one sets up in frame 2 of stitch welding machine body 1, is connected with welder 5 in frame 2, is equipped with the box 3 that holds that is used for holding the welding flux in frame 2 of stitch welding machine body 1, and the welding of frame 2 has dead lever 36, holds the lateral wall and the dead lever 36 welded connection of box 3. The housing box 3 is disposed above the welding torch 5, and the housing box 3 is communicated with the welding torch 5 through the first connection pipe 4. A support frame 37 for supporting the steel pipe to be welded is arranged below the frame 2, and in the embodiment, the steel pipe to be processed is a steel pipe with a rectangular cross section. During processing, the steel pipe is placed on the support frame 37, the gun head of the welding gun 5 is aligned to the welding seam on the steel pipe, the granular welding agent in the accommodating box 3 falls on the surface of the steel pipe through the gun mouth of the welding gun 5, and the welding gun 5 sprays high-temperature gas to melt the welding agent to achieve the effect of welding and blocking the welding seam on the steel pipe.

Referring to fig. 1 and 2, the utility model discloses a welding agent recovery mechanism of stitch welding all-in-one includes air exhauster 6, recovery drum 7, and air exhauster 6 places at the top of frame 2, and exhaust column 35 of air exhauster 6 connects at the top of recovery drum 7 and is linked together with recovery drum 7. The recycling bin 7 is welded on the frame 2 and is positioned above the containing box 3, the upper part of the recycling bin 7 is cylindrical, the lower part of the recycling bin 7 is conical, the side wall of the recycling bin 7 is communicated with a material sucking pipe 8, and one end, far away from the recycling bin 7, of the material sucking pipe 8 is connected with a conical material sucking head 10. The welding seam department through the welded steel pipe is remaining to have some welding flux, and the operator starts air exhauster 6, and air exhauster 6 convulsions, and the recovery section of thick bamboo 7 forms the negative pressure with inhaling the interior formation of material pipe 8, and the operator is holding with the hand this moment and inhales material pipe 8 and will inhale the stub bar 10 and adsorb and collect the recovery section of thick bamboo 7 to the remaining welding flux of welding seam department of steel pipe, has realized the recovery to welding flux, is favorable to resources are saved. The inner wall of the recovery cylinder 7 is bonded with a filter cloth 9 (figure 3) at the nozzle of the exhaust pipe 35, so that the possibility that the welding flux is sucked by the exhaust pipe 35 when entering the recovery cylinder 7 is reduced.

Referring to fig. 4 and 5, be equipped with in the frame 2 and hold between the box 3 and hold the box 7 and hold the box 13, frame 2 has a fixed block 25 towards the one side welding of holding the box 13, it has a axis of rotation 26 to hold the one side welding of box 13 towards frame 2, fixed block 25 is equipped with bearing 27 towards the one side of holding the box 13, the outer lane and the fixed block 25 welded fastening of bearing 27, the one end that the axis of rotation 26 keeps away from holding the box 13 and the inner circle coaxial coupling of bearing 27, axis of rotation 26 passes through bearing 27 and is connected with the fixed block 25 rotation. Bearing box 13 has seted up spacing groove 28 towards one side of fixed block 25, fixed block 25 has seted up spout 30 towards one side of recovery drum 7 along width direction, spout 30 internal slipping is connected with stopper 29, spout 30 keeps away from bearing box 13 on the cell wall and has set firmly compression spring 31 between stopper 29, the both ends of compression spring 31 weld respectively and keep away from the one end of bearing box 13 at the cell wall of spout 30 and stopper 29, stopper 29 keeps away from the one end of compression spring 31 and extends spout 30 and plug-in spacing groove 28, the one end that compression spring 31 was kept away from to stopper 29 is inconsistent with the cell wall of spacing groove 28.

Referring to fig. 4 and 5, one end of the receiving box 13 facing the recovery cylinder 7 is an opening end 14, one end of the recovery cylinder 7 facing the receiving box 13 is communicated with a second connecting pipe 11, a control valve 12 (fig. 1) is arranged on the second connecting pipe 11, and one end of the second connecting pipe 11 far away from the recovery cylinder 7 extends into the receiving box 13. A filter screen 16 is arranged below the pipe opening of the second connecting pipe 11 in the receiving box 13, the mesh diameter of the filter screen 16 is smaller than the diameter of a welding agent, the filter screen 16 is obliquely arranged, a baffle 17 is welded on the bottom wall of the receiving box 13 along the vertical direction, one side, far away from the bottom wall of the receiving box 13, of the baffle 17 is bonded with the filter screen 16, and the baffle 17 and the filter screen 16 divide the receiving box 13 into an impurity blanking area 18 and a filtering area 19. The one end that the box 13 that holds towards holding box 3 is connected with third connecting pipe 15 in filtering area 19 department, holds one side that the box 3 that holds towards the box 13 and is equipped with charge door 24 (fig. 1), and the one end of third connecting pipe 15 is passed through charge door 24 and is stretched into in holding box 3.

Referring to fig. 1 and 4, when the welding agent in the recycling bin 7 needs to be recycled, an operator opens the control valve 12, the welding agent enters the receiving box 13 through the second connecting pipe 11, and is filtered through the filter screen 16, impurities mixed in the welding agent fall to the impurity blanking area 18 through the filter screen 16, and the filtered welding agent enters the accommodating box 3 through the third connecting pipe 15 and is recycled. The filter screen 16 is arranged to filter the recovered welding agent, so that impurities in the welding agent are filtered, and the possibility that the welding agent mixed with the impurities affects the welding quality when the welding agent is put into use is reduced.

Referring to fig. 1 and 4, an observation window 22 for observing the blanking condition in the impurity blanking region 18 is arranged on the side wall of the receiving box 13, and the observation window 22 is sealed by a transparent glass 23. The bottom wall of the receiving box 13 is provided with a discharge opening 20 in the impurity blanking area 18, and the discharge opening 20 is clamped with a sealing plug 21. When an operator observes that the height of the accumulation of the impurities in the impurity blanking area 18 is about to be aligned with the height of the baffle 17 through the transparent glass 23 at the observation window 22, the operator takes the sealing plug 21 off from the discharge opening 20 to discharge the impurities, so that the possibility that the impurities are excessively accumulated, and the impurities flow over the filter screen 16 to enter the filter area 19 and enter the welding agent into the accommodating box 3 to be put into use is reduced.

Referring to fig. 4 and 5, the operator then pushes the stopper 29 away from the stopper groove 28, the compression spring 31 is compressed until the stopper 29 is disengaged from the stopper groove 28, and then the operator rotates the receiving box 13 around the inner ring of the bearing 27 so that the open end 14 of the receiving box 13 faces downward, and at this time, the impurities remaining in the receiving box 13 are all poured out from the open end 14, so that the impurities in the receiving box 13 are cleaned. After the cleaning, the operator rotates the receiving box 13 to the initial position, and slightly rotates the receiving box 13, so that the notch of the limiting groove 28 on the receiving box 13 corresponds to the limiting block 29, at this time, the compression spring 31 elastically recovers to enable the limiting block 29 to be inserted into the limiting groove 28, and one end of the limiting block 29 facing the limiting groove 28 abuts against the groove wall of the limiting groove 28.

The implementation principle of the embodiment is as follows: when the welding gun works, the welding agent in the accommodating box 3 enters the welding gun 5 and falls on the surface of the steel pipe close to the welding seam, and the welding gun 5 carries out hot melting welding on the welding agent at the seam of the steel pipe. Then the operator starts the exhaust fan 6 and holds the material suction pipe 8 by hand to adsorb the residual welding agent at the welding seam of the steel pipe by the material suction head 10 and collect the residual welding agent into the recovery cylinder 7. After a period of collection, the operator opens the control valve 12, the welding agent in the recovery cylinder 7 enters the receiving box 13 through the second connecting pipe 11 at the moment, and the welding agent is filtered by the filter screen 16 and then enters the accommodating box 3 through the third connecting pipe 15 to be put into use, so that the recovery and the utilization of the residual welding agent on the surface of the steel pipe in the welding process are realized, and the resource saving is facilitated.

Example two: referring to fig. 6 and 7, for the utility model discloses a mechanism is retrieved to welding flux of stitch welding all-in-one, different from the embodiment, it is connected with the connecting rod 32 that is used for fixed material pipe 8 that inhales to slide along the width direction on the frame 2, and in actual operation, in order to cooperate the distance difference between connecting rod 32 and welder 5, frame 2 extends to the position that flushes with welder 5 in the horizontal direction. One end of the connecting rod 32 far away from the rack 2 extends to the upper part of the welding position of the steel pipe, the rack 2 is welded with the cylinder 33, and the output end of the cylinder 33 is welded with one end of the connecting rod 32 close to the rack 2. The connecting rod 32 is far away from the side wall of the frame 2 and is provided with a through hole 34 along the vertical direction, and the through hole 34 is arranged in a step shape and is matched with the material suction pipe 8 and the material suction head 10.

The implementation principle of the embodiment is as follows: when the residual welding agent near the welding seam of the welded steel pipe needs to be recovered, an operator inserts the material suction pipe 8 and the material suction head 10 into the through hole 34, and the material suction head 10 faces the welding seam of the steel pipe. The operator starts exhaust fan 6, and exhaust fan 6 convulsions makes recovery cylinder 7 and inhale and form the negative pressure in the material pipe 8, and remaining welding flux is inhaled in inhaling material pipe 8 and is collected in recovery cylinder 7 on the steel pipe this moment. In this process, cylinder 33 drive connecting rod 32 drives and inhales stub bar 10 and removes along the width direction of steel pipe for remaining welding flux is retrieved totally, need not the manual work and holds the material pipe 8 of inhaling and inhale the welding flux, has saved the manpower.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a mechanism is retrieved to welding flux of stitch welding all-in-one, sets up on frame (2) of stitch welding machine body (1), is equipped with the box (3) that holds that are used for holding the welding flux on frame (2) of stitch welding machine body (1), holds box (3) and communicates its characterized in that through first connecting pipe (4) and welder (5): including air exhauster (6), recovery drum (7) and inhale material pipe (8) that are linked together with recovery drum (7), inhale the one end that material pipe (8) kept away from recovery drum (7) and be connected with conical stub bar (10) of inhaling, air exhauster (6) set firmly the top in frame (2), recovery drum (7) fixed connection just is located the top that holds box (3) in frame (2), exhaust column (35) and recovery drum (7) of air exhauster (6) are linked together, be equipped with filter cloth (9) in the mouth of pipe department of exhaust column (35) on the inner wall of recovery drum (7), recovery drum (7) and hold and be linked together through second connecting pipe (11) between box (3), be equipped with control flap (12) on second connecting pipe (11).

2. The welding agent recovery mechanism of the stitch welding all-in-one machine according to claim 1, characterized in that: one section of the recovery cylinder (7) close to the second connecting pipe (11) is in a cone shape.

3. The welding agent recovery mechanism of the stitch welding all-in-one machine according to claim 1, characterized in that: a bearing box (13) is arranged between the recovery cylinder (7) and the accommodating box (3) on the rack (2), one end of the bearing box (13) facing the recovery cylinder (7) is set to be an open end (14), one end of the second connecting pipe (11) far away from the recovery cylinder (7) extends into the bearing box (13), the bearing box (13) is communicated with the accommodating box (3) through a third connecting pipe (15), a filter screen (16) is arranged in the bearing box (13), the mesh diameter of the filter screen (16) is smaller than that of a welding agent, the filter screen (16) is obliquely arranged, a baffle (17) is fixedly connected to the bottom wall of the bearing box (13) along the vertical direction, one side of the baffle (17) far away from the bottom wall of the bearing box (13) is connected with the filter screen (16), and the baffle (17) and the filter screen (16) divide the interior of the impurity bearing box (13) into a blanking area (18) and a filtering area (19), one end of the third connecting pipe (15) far away from the accommodating box (3) is communicated with the filtering area (19).

4. The welding agent recovery mechanism of the stitch welding all-in-one machine according to claim 3, characterized in that: the diapire of holding box (13) has seted up bin outlet (20) in impurity blanking district (18), bin outlet (20) are blocked up through sealing plug (21).

5. The welding agent recovery mechanism of the stitch welding all-in-one machine according to claim 4, characterized in that: an observation window (22) is arranged on the side wall of the impurity blanking area (18) on the receiving box (13), and the observation window (22) is sealed through transparent glass (23).

6. The welding agent recovery mechanism of the stitch welding all-in-one machine according to claim 3, characterized in that: hold the orientation of box (3) one side of holding box (13) is equipped with charge door (24), the one end of third connecting pipe (15) is passed through charge door (24) and is stretched into in holding box (3), and frame (2) orientation one side rigid coupling of holding box (13) has fixed block (25), hold box (13) and have axis of rotation (26) towards one side rigid coupling of frame (2), axis of rotation (26) rotate through bearing (27) and connect on fixed block (25), spacing groove (28) have been seted up towards one side of fixed block (25) to hold box (13), fixed block (25) slide along the width direction towards one side of recovery drum (7) and are connected with stopper (29), stopper (29) are pegged graft in spacing groove (28) towards the one end of holding box (13).

7. The welding agent recovery mechanism of the stitch welding all-in-one machine according to claim 6, characterized in that: fixed block (25) have seted up spout (30) along width direction towards one side of recovery drum (7), stopper (29) restriction is in spout (30), spout (30) keep away from on the cell wall of bearing box (13) and stopper (29) between set firmly compression spring (31), the one end that compression spring (31) were kept away from in stopper (29) is inconsistent with the cell wall of spacing groove (28).

8. The welding agent recovery mechanism of the stitch welding all-in-one machine according to claim 1, characterized in that: slide along width direction on frame (2) and be connected with and be used for fixing inhale connecting rod (32) of material pipe (8), the one end that frame (2) were kept away from in connecting rod (32) extends to the top of the splice of steel pipe, sets firmly cylinder (33) that are used for driving connecting rod (32) to remove on frame (2), through-hole (34) have been seted up along vertical direction on the lateral wall of frame (2) was kept away from in connecting rod (32), through-hole (34) establish to the step form and with inhale material pipe (8) and inhale stub bar (10) looks adaptation.

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