Welded part butt joint device for ship maintenance

Abstract

The invention relates to the technical field of butt joint of welding parts for ship maintenance, and discloses a butt joint device for welding parts for ship maintenance, the butt joint device comprises a welding table and supporting legs, and the welding table is provided with a through opening and two butt joint clamps. A guide rod and a lead screw are arranged in the welding table in a penetrating mode, and the servo motor drives the lead screw to rotate and drives the butt-joint clamp to move horizontally. The knocking welding part is used for knocking an oxidation shell on a welding seam; the shifting and adjusting part is used for being matched with the butt joint clamp to semi-automatically adjust the position of the knock welding part; and the pre-grinding part is used for retracting the knocking plate and stretching out the grinding piece to grind the welding part in advance. According to the device, the servo motor drives the lead screw to achieve automatic and accurate butt joint of welding parts, the functions of knocking welding and pre-grinding are integrated, semi-automatic position adjustment is achieved through the moving and adjusting part, and the efficiency and quality of ship maintenance welding operation are remarkably improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of butt joint of welding parts for ship maintenance, in particular to a butt joint device of welding parts for ship maintenance. BACKGROUND

[0002] During the maintenance of the ship, a large number of components need to be connected by welding. For the butt joint operation of the welding parts for ship maintenance, the two welding components to be welded are first positioned by a clamp or a simple tooling, and then welded. After welding, the oxide skin and welding slag around the weld are knocked by hand tools, or the surface of the weld is polished and cleaned by a handheld polishing tool. However, the existing butt joint device of welding parts still has problems to be solved For example, the butt joint device of welding parts and the knocking and cleaning and pre-grinding are usually separate devices or tools, which cannot continuously complete the butt joint of welding parts, weld knocking and pre-grinding on the same device. In the case of complex environment and limited space in the ship maintenance site, it is not conducive to construction organization and efficiency improvement. SUMMARY

[0003] The present application provides a butt joint device of welding parts for ship maintenance, which can complete the butt joint positioning and weld knocking and pre-grinding of welding parts on the same platform, so as to improve the butt joint and welding efficiency and effect of welding parts, reduce the labor intensity, and improve the weld cleaning quality.

[0004] To solve the above technical problems, the technical scheme of the present application is as follows: In a first aspect, a butt joint device of welding parts for ship maintenance is provided, which comprises a welding table and a support foot fixed symmetrically below the welding table. A through opening is provided through the welding table. A collection box is slidably arranged inside the support foot. Two butt joint clamps are symmetrically and translationally arranged on the welding table. A guide rod and a lead screw are arranged through the welding table. The positions of the guide rod and the lead screw are symmetrical. A servo motor is connected to one end of the welding table. The driving end of the servo motor is axially connected to the lead screw. The butt joint device further comprises: A knock welding part is arranged above the welding table, which comprises a supporting part composed of a supporting shell arranged above the welding table and a belt rotationally arranged in the supporting shell, and a knocking part composed of a knocking plate uniformly and elastically arranged along the rotation path of the belt and a blocking rod uniformly arranged in cooperation with the knocking plate, so as to knock the oxide shell on the weld. A moving adjusting part is movably arranged through the butt joint clamp, which comprises a follower connected with the supporting shell and the butt joint clamp, and a push adjusting part connected with the follower, so as to cooperate with the butt joint clamp to automatically adjust the position of the knock welding part. The pre-grinding part is arranged above the welding table and connected with the knocking part, which comprises a friction part composed of a supporting belt arranged symmetrically outside the belt and a grinding plate connected with the supporting belt, and a push-pull part connected with the friction part and the knocking part, so as to retract the knocking plate and extend the grinding plate to pre-grind the welding part.

[0005] Further, the docking clamp comprises: The push plate has two, which are symmetrically and movably sleeved outside the guide rod and are threadedly connected outside the lead screw; The guide channel symmetrically penetrates the upper end of the welding table; The electric rod has two, which are respectively fixed on the two push plates and movably penetrate the guide channel; The lower clamp head is connected outside the fixed end of the electric rod through the fixing member and is located above the welding table; The upper clamp head is connected to the telescopic end of the electric rod through the fixing member and is located above the lower clamp head.

[0006] Further, the follower comprises: The through channel is provided through the upper clamp head; The sliding plate is symmetrically fixed outside the supporting shell and transversely penetrates the through channel.

[0007] Further, the push adjusting member comprises: The sliding support is fixed on one side of the welding table; The C plate is slidably arranged outside the sliding support; The connecting plate is arranged to ascend and descend through the C plate.

[0008] Further, the supporting drive member comprises: The rotating rod has two, which are rotatably arranged symmetrically through the supporting shell; The belt is sleeved outside the rotating rod; The speed reducer is fixed outside the supporting shell, and the output end is axially connected with one of the rotating rods; The motor is connected to the input end of the speed reducer.

[0009] Further, the knocking member comprises: The elastic plate has a plurality of elastic plates, which are uniformly connected with the belt and are distributed along the rotating path of the belt; The knocking plate is water-drop-shaped, one end of which is sharp, and the sharp end is connected with the end of the elastic plate away from the belt; The stop rod has two rows, which are symmetrically fixed on the inner wall of the supporting shell and cooperate with the knocking plate to resist lifting the knocking plate.

[0010] Further, the friction part comprises: The supporting belt has two, which are symmetrically arranged inside the supporting shell and are located outside the belt; The springs are multiple and evenly distributed along the rotation path of the support belt, with one end connected to the support belt and the other end connected to the belt. T-plates, having multiple T-plates, are evenly distributed along the rotation path of the support belts and are connected between two of the support belts, and are interspersed with the striking plate and the stop bar; The grinding disc is fixed to the end of the T-plate away from the belt.

[0011] Furthermore, the push-pull member includes: The perforation extends through the elastic plate and is located near the belt. A steel wire rope is provided, with a through hole and one end connected to the sharp end of the striking plate, and the other end connected to a T-plate adjacent to the non-sharp end of the striking plate. Support components are symmetrically arranged throughout the support shell.

[0012] The supporting and pushing components include: The lifting rod has four rods, with two rods forming a group. The two groups of lifting rods are symmetrically arranged through the support shell and connected to the support shell by a fixing component. The two sets of lifting rods are respectively located at the ends of the two support belts furthest from the T-plate; The arc pressure plate is fixed to the telescopic end of the lifting rod by a fixing component and extends to the top of the inner bottom wall of the support belt.

[0013] The above-described solution of the present invention has at least the following beneficial effects: The servo motor-driven lead screw and guide rod, along with the push plate and docking fixture, enable synchronous facing or backward translation of the welded parts on the welding table. This results in high docking accuracy and easy operation. Meanwhile, the hammering section above the welding table uses a belt-driven hammering plate, elastically arranged along its path, in conjunction with a stop bar, to continuously hammer the weld seam, efficiently removing oxide crust and slag. The pre-grinding section, with its adjustable grinding discs, pre-grinds the weld area when the hammering plate is retracted, improving weld surface quality. The shifting section, with its follower and push-adjusting components, allows the hammering and pre-grinding sections within the support shell to achieve semi-automatic position adjustment relative to the docking fixture, preventing interference during welding or docking. After welding, they can quickly align above the weld seam, significantly improving the overall efficiency and effectiveness of ship repair welding and docking operations, reducing manual labor intensity, and enhancing the consistency and reliability of weld cleaning and pre-treatment. Attached Figure Description

[0014] Figure 1 An overall perspective view of the welding assembly for ship repair provided in an embodiment of the present invention; Figure 2 A cross-sectional plan view of the welding station provided in an embodiment of the present invention; Figure 3A perspective view of the combination of the shell support and the C plate provided by the embodiment of the present application; Figure 4 A sectional plan view of the combination of the shell support, the belt, the strap and the T plate provided by the embodiment of the present application; Figure 5 A perspective view of the combination of the belt and the knocking plate provided by the embodiment of the present application; Figure 6 A sectional plan view of the combination of the shell support, the belt, the strap and the T plate provided by the embodiment of the present application; Figure 7 A perspective view of the combination of the lifting rod and the arc pressing plate provided by the embodiment of the present application; Figure 8 A sectional plan view of the shell support provided by the embodiment of the present application; Figure 9 A structural schematic view of the structure at A in Figure 8 provided by the embodiment of the present application; Figure 10 A perspective view of the combination of the strap and the T plate provided by the embodiment of the present application.

[0015] Explanation of reference numerals: In the figure: 1, welding table; 2, supporting leg; 3, through opening; 4, supporting plate; 5, collecting box; 6, guide rod; 7, screw rod; 8, servo motor; 9, pushing plate; 10, electric rod; 11, lower chuck; 12, upper chuck; 13, guide way; 14, control panel; 15, sliding supporting plate; 16, C plate; 17, roller; 18, connecting plate; 19, pulling handle; 20, shell support; 21, sliding plate; 22, rotating rod; 23, speed reducer; 24, motor; 25, belt; 26, elastic plate; 27, knocking plate; 28, blocking rod; 29, strap; 30, spring; 31, T plate; 32, grinding piece; 33, through hole; 34, steel wire rope; 35, lifting rod; 36, arc pressing plate; 37, through way. DETAILED DESCRIPTION

[0016] Exemplary embodiments of the present application will be described herein below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it is understood that the present application can be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.

[0017] As Figures 1 to 10As shown, the embodiment of the present application provides a welding piece butt joint device for ship maintenance, which comprises a welding table 1 and a support 2 symmetrically fixed below the welding table 1, a through opening 3 is formed through the welding table 1, a collection box 5 is slidably arranged on the inner side of the support 2, two butt joint clamps are symmetrically and translationally arranged on the welding table 1, a guide rod 6 and a lead screw 7 are arranged through the welding table 1, the positions of the guide rod 6 and the lead screw 7 are symmetrical, one end of the welding table 1 is connected with a servo motor 8, and the driving end of the servo motor 8 is axially connected with the lead screw 7, and the welding piece butt joint device further comprises: A knock welding part is arranged above the welding table 1, which comprises a supporting and driving part composed of a supporting shell 20 arranged above the welding table 1 and a belt 25 rotationally arranged in the supporting shell 20, and a knocking part composed of a knocking plate 27 uniformly and elastically arranged along the rotation path of the belt 25 and a blocking rod 28 uniformly arranged and matched with the knocking plate 27, so as to knock the oxide shell on the welding seam; A moving adjusting part is movably arranged through the butt joint clamp, which comprises a follower connected with the supporting shell 20 and the butt joint clamp, and a pushing adjusting part connected with the follower, so as to semi-automatically adjust the position of the knock welding part in cooperation with the butt joint clamp; A pre-grinding part is arranged above the welding table 1 and connected with the knock welding part, which comprises a friction part composed of a supporting belt 29 symmetrically arranged on the outer side of the belt 25 and a grinding plate 32 connected with the supporting belt 29, and a pushing and pulling part connected with the friction part and the knocking part, so as to retract the knocking plate 27 and extend the grinding plate 32 to pre-grind the welding piece.

[0018] Specifically, the welding table 1 is symmetrically provided below with a supporting plate 4 connected with the support 2, the collection box 5 is placed on the supporting plate 4, the support 2 can provide a through channel for the fixed part to facilitate fixation at the work site and can provide support for the supporting plate 4 and the welding table 1, the supporting plate 4 can provide mobile support for the collection box 5, the welding table 1 can provide support and mobile guide for the butt joint clamps and can provide stable support for the servo motor 8 and the guide rod 6, and can provide rotation support for the lead screw 7, one end of the welding table 1 is fixed with a control panel 14 to facilitate the operator to operate and control the operation of the electrical equipment of the welding piece butt joint device, the through opening 3 can provide a through channel for the welding slag so that the welding slag can pass through the welding table 1 and fall into the collection box 5, the lead screw 7 has two symmetrically arranged threads with opposite screw directions, so that the two butt joint clamps can simultaneously translate towards opposite directions (realize mutual approaching or mutual moving away).

[0019] In practical application, the workers can fix the welding piece butt joint device at the working place by the fixed components through the supporting legs 2 according to the actual needs, then move the two welding pieces to be butt jointed to the welding table 1, and clamp and fix the welding pieces by the butt joint clamps, then the workers can control the servo motor 8 to run by operating the control panel 14 according to the actual needs, so that the servo motor 8 drives the lead screw 7 to rotate under the support of the welding table 1, the lead screw 7 can drive the butt joint clamps to translate along the guide channel 13 under the rotation power and the guiding action of the guide rod 6, so that the butt joint clamps can drive the clamped welding pieces to translate on the welding table 1 together, so that the welding surfaces of the welding pieces can be butt jointed, then the workers can perform butt joint welding work on the butt jointed welding pieces.

[0020] As a preferred embodiment of the present application, the butt joint clamp comprises: The push plates 9 are two, symmetrically and movably sleeved outside the guide rods 6, and are screw-connected outside the lead screws 7; The guide channels 13 symmetrically penetrate the upper ends of the welding tables 1; The electric rods 10 are two, respectively fixed on the two push plates 9, and movably penetrate the guide channels 13; The lower clamping heads 11 are connected outside the fixed ends of the electric rods 10 by the fixed components, and are located above the welding tables 1; The upper clamping heads 12 are connected to the telescopic ends of the electric rods 10 by the fixed components, and are located above the lower clamping heads 11.

[0021] Specifically, the guide rods 6 can provide support and movement guiding action for the push plates 9, the lead screws 7 can drive the push plates 9 by screw action and rotation power, and can provide support for the push plates 9, the push plates 9 can provide support for the electric rods 10, the electric rods 10 can provide support for the lower clamping heads 11 and the upper clamping heads 12 by the fixed components, and can drive the upper clamping heads 12 to ascend and descend to adjust the height, so that the upper clamping heads 12 and the lower clamping heads 11 can clamp the welding pieces.

[0022] In actual application, the worker can place the welding piece on the welding table 1 between the clamping surfaces of the upper chuck 12 and the lower chuck 11, and then operate the control panel 14 to control the electric rod 10 to retract, so that the electric rod 10 drives the upper chuck 12 to move towards the lower chuck 11, and then the upper chuck 12 can press the placed welding piece downwards, and the lower chuck 11 can support the welding piece to realize clamping. When the screw rod 7 rotates, the rotation power and the screw thread can push the push plate 9 according to the rotation direction, so that the two push plates 9 can move towards each other under the action of the screw thread and the guide rod 6, and then the push plate 9 can drive the electric rod 10 to move, and the electric rod 10 can drive the lower chuck 11 and the upper chuck 12 to move, and then the upper chuck 12 and the lower chuck 11 can drive the clamped welding piece to move to realize butt joint.

[0023] As a preferred embodiment of the present application, the follower comprises: The through channel 37 is arranged through the upper chuck 12. The sliding plate 21 is symmetrically fixed outside the supporting shell 20 and transversely arranged through the through channel 37.

[0024] Specifically, the upper chuck 12 can provide a space for the through channel 37, the through channel 37 can provide a passage for the sliding plate 21, and the upper chuck 12 can drive the sliding plate 21 to move up and down synchronously to realize synchronous height adjustment.

[0025] The pusher comprises: The sliding support 15 is fixed on one side of the welding table 1. The C plate 16 is slidingly arranged outside the sliding support 15. The connecting plate 18 is arranged through the C plate 16.

[0026] Specifically, the connecting plate 18 is connected with the supporting shell 20, the inner top wall and the inner bottom wall of the C plate 16 are rotatably and inlaidly provided with the rollers 17, the rollers 17 are in contact with the sliding support 15 to support the movement of the C plate 16, the outer side of the C plate 16 is fixedly provided with the pull handle 19, the welding table 1 can provide stable support for the sliding support 15, the sliding support 15 can provide rolling support for the rollers 17, the rollers 17 can roll along the sliding support 15 under the action of external force by utilizing the friction with the sliding support 15, the pull handle 19 can facilitate the worker to push the C plate 16, so that the C plate 16 drives the rollers 17 to roll along the sliding support 15, the C plate 16 can provide a moving guide for the sliding plate 21 and the through channel 37, the C plate 16 can provide a passage for the connecting plate 18 to cooperate with the sliding plate 21 to move up and down, and the connecting plate 18 can drive the supporting shell 20 to move.

[0027] In actual application, before the butt welding, the staff can pull the C plate 16 through the pull handle 19, so that the C plate 16 translates along the slide 15 by the roller 17, and then the slide 15 drives the support shell 20 and the slide plate 21 to move together through the connecting plate 18, and the slide plate 21 moves through the through hole 37 under the action of the external force, so as to adjust the position of the support shell 20 and the components arranged inside the support shell 20, and make the position of the support shell 20 staggered with the welding surface of the welding piece, so as to avoid affecting the welding or butt welding. When the welding or butt welding is completed, the staff can push the C plate 16 through the pull handle 19, so that the C plate 16 translates along the slide 15 by the connecting plate 18 to drive the support shell 20 to adjust the position, so that the support shell 20 can be moved above the welding seam of the welding piece, so as to knock or rub the position of the welding surface of the welding piece.

[0028] As a preferred embodiment of the present application, the supporting and driving member comprises: The rotating rod 22 has two rotating rods which are symmetrically arranged and penetrate the support shell 20; The belt 25 is sleeved outside the rotating rod 22; The speed reducer 23 is fixed outside the support shell 20, and the output end is axially connected with one of the rotating rods 22; The motor 24 is connected to the input end of the speed reducer 23.

[0029] Specifically, the support shell 20 can provide rotational support for the rotating rod 22, the rotating rod 22 can provide rotational support for the belt 25, the support shell 20 can stably support the speed reducer 23, the speed reducer 23 can provide support for the motor 24, the motor 24 can drive the rotating rod 22 to rotate through the speed reducer 23, and the rotating rod 22 can drive the belt 25 to rotate through friction and rotational power.

[0030] The knocking member comprises: The elastic plate 26 has a plurality of elastic plates which are uniformly connected with the belt 25 and are distributed along the rotating path of the belt 25; The knocking plate 27 is in the shape of a water drop, one end of which is sharp, and the sharp end is connected with one end of the elastic plate 26 which is away from the belt 25; The blocking rod 28 has two rows of blocking rods which are symmetrically fixed on the inner wall of the support shell 20 and cooperate with the knocking plate 27 to resist lifting of the knocking plate 27.

[0031] Specifically, the belt 25 can provide stable support for the elastic plate 26, the elastic plate 26 has elasticity and can be bent and deformed under the action of the external force, and will rebound to the original position when the external force disappears. The water drop-shaped knocking plate 27 can move gradually to the direction close to the belt 25 under the resistance of the blocking rod 28 and cooperate with the rotational movement of the belt 25, and will gradually push the elastic plate 26 to bend and deform under the support of the belt 25 by using the external force and the resistance of the blocking rod 28. When the knocking plate 27 passes the blocking rod 28 at the current position, the elastic plate 26 will push it to return to the original position.

[0032] In the actual application process of the embodiment, after the welding work is completed, the staff can move the supporting shell 20 above the weld, so that the supporting shell 20 can be moved together with the belt 25 and the knocking plate 27 to the weld through the rotating rod 22. Then the staff needs to control the motor 24 to start, so that the motor 24 drives the rotating rod 22 to rotate through the speed reducer 23, so that the rotating rod 22 can drive the belt 25 to rotate back under the rotation power with the support of the supporting shell 20, and then the belt 25 can drive the knocking plate 27 to rotate back together through the elastic plate 26 under the action of external force. The knocking plate 27 will be in contact with the stop rod 28 at different positions intermittently during the movement, and will be blocked by the stop rod 28 during the movement. At the same time, by blocking and moving the external force, the knocking plate 27 can be moved to the direction close to the belt 25 by the moving external force and the stop rod 28, and the elastic plate 26 is pressed during the movement. With the rotating movement of the belt 25, the knocking plate 27 will move to the stop rod 28 at the next position after passing the stop rod 28 at the current position. When the knocking plate 27 passes the stop rod 28 at the current position, the elastic plate 26 that is pressed will push the knocking plate 27 to move quickly in the direction close to the weld by the rebound force, so that the knocking plate 27 can knock the shell-shaped slag on the weld caused by cooling. By using multiple knocking plates 27 and stop rods 28, the shell-shaped slag connected to the entire weld can be knocked off at the same time, thereby improving the work efficiency and the effect of knocking off the slag.

[0033] As a preferred embodiment of the present application, the friction member comprises: The supporting belt 29 has two, which are symmetrically arranged in the supporting shell 20 and located outside the belt 25; The spring 30 has multiple, which are uniformly distributed along the rotating path of the supporting belt 29, and one end is connected with the supporting belt 29 and the other end is connected with the belt 25; The T plate 31 has multiple, which are uniformly distributed along the rotating path of the supporting belt 29, and connected between the two supporting belts 29, and staggered with the knocking plate 27 and the stop rod 28; The grinding piece 32 is fixed at one end of the T plate 31 away from the belt 25.

[0034] Specifically, the belt 25 can provide support for the spring 30, so that the spring 30 can provide support for the supporting belt 29, and the belt 25 can drive the supporting belt 29 to rotate back together through the spring 30, the supporting belt 29 can provide support for the T plate 31, the T plate 31 can provide support for the grinding piece 32, and the grinding piece 32 is relatively rough and can be used to frictionally clean the welding surface of the welding member by external force.

[0035] The push-pull member comprises: The through hole 33 is arranged through the elastic plate 26 and located close to the belt 25; Steel wire rope 34, set through the perforation 33, and one end is connected with the sharp end of the knock plate 27, the other end is connected with the T plate 31 adjacent to the non-sharp end of the knock plate 27; Supporting part, symmetrically set through the support shell 20; Supporting part includes: Lifting rod 35, two groups of lifting rods 35 are symmetrically set through the support shell 20, and are connected with the support shell 20 through the fixed part; Two groups of lifting rods 35 are respectively located at one end of the two support belts 29 away from the T plate 31; Arc pressing plate 36, fixed at the telescopic end of the lifting rod 35 through the fixed part, and extends to the upper side of the inner bottom wall of the support belt 29.

[0036] Specifically, the elastic plate 26 can provide space for the perforation 33, the perforation 33 can provide a through channel and support for the steel wire rope 34, so that the steel wire rope 34 can change the moving direction, the T plate 31 can pull the steel wire rope 34 when moving away from the belt 25, so that the steel wire rope 34 can pull the knock plate 27 to move towards the belt 25, the support shell 20 can provide stable support for the lifting rod 35, the lifting rod 35 can use the telescopic end and the fixed part to stably support the arc pressing plate 36, the arc pressing plate 36 has an arc, which can reduce the contact area with the support belt 29, avoid affecting the rotary motion of the support belt 29, and can move the support belt 29 away from the belt 25 under the action of external force.

[0037] In the actual application process of the embodiment, after the butt joint clamp clamps the welding piece, and before or after welding, the support shell 20 is moved above the welding seam, and then the motor 24 is controlled to start, so that the motor 24 drives the belt 25 to rotate through the speed reducer 23, the belt 25 drives the support belt 29 to rotate through the spring 30, the support belt 29 drives the grinding piece 32 to rotate through the T plate 31, then the lifting rod 35 is controlled to elongate, the telescopic end of the lifting rod 35 drives the arc pressing plate 36 to move downward, so that the arc pressing plate 36 can push the side of the support belt 29 close to the welding piece downward during the movement, so that the side of the support belt 29 close to the welding piece can stretch the spring 30 downward, and when the T plate 31 and the grinding piece 32 are moved to the position between the belt 25 and the welding seam by the support belt 29, they are resisted and pressed downward by the arc pressing plate 36, so that the T plate 31 is pushed by the support belt 29 to drive the grinding piece 32 to move downward, so that the grinding piece 32 can contact the welding surface of the welding seam and the welding piece around the welding seam during the rotary motion of the support belt 29, so that the grinding piece 32 can rub the welding seam and the welding surface around the welding seam during the rotary motion, thereby cleaning the rust and impurities on the welding seam and the welding surface around the welding seam, avoiding the influence of rust and impurities on the welding work, or cleaning the welding slag after welding.

[0038] When the T-plate 31 is moved by the strap 29 to the direction close to the welding seam, the T-plate 31 pulls the other end of the steel wire rope 34 to the direction close to the welding seam under the action of the external force, so that the steel wire rope 34 can pass through the through hole 33 under the action of the external force and change the moving direction under the support of the elastic plate 26, pull the knocking plate 27 upward by one end, so that the knocking plate 27 located between the welding seam and the belt 25 can move to the direction close to the belt 25 and press the elastic plate 26 connected thereto, thereby making the knocking plate 27 located between the welding seam and the belt 25 can be collected into the support shell 20, so as to avoid affecting the friction cleaning work of the grinding piece 32.

[0039] The above describes the preferred embodiments of the present application. It should be noted that those skilled in the art can make some improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A welding assembly device for ship repair, comprising a welding table and symmetrically fixed legs below the welding table, wherein the welding table has a through opening, a collection box is slidably disposed inside the legs, two welding clamps are symmetrically and translatably disposed on the welding table, a guide rod and a lead screw are disposed through the interior of the welding table, the guide rod and the lead screw are symmetrically positioned, a servo motor is connected to one end of the welding table, and the drive end of the servo motor is axially connected to the lead screw, characterized in that... Also include: Knocking part, set above the welding table, which includes a support shell set above the welding table and a rotating belt set in the support shell, and a knocking part composed of a knocking plate uniformly and elastically set along the rotating path of the belt and a blocking rod uniformly set with the knocking plate, to knock the oxide shell on the weld; Moving part, moving through the butt joint clamp, which includes a follower connected with the support shell and the butt joint clamp, and a push part connected with the follower, to semi-automatically adjust the position of the knocking part with the butt joint clamp; Pre-grinding part, set above the welding table and connected with the knocking part, which includes a friction part composed of a support belt symmetrically set outside the belt and a grinding plate connected with the support belt, and a push-pull part connected with the friction part and the knocking part, to retract the knocking plate and extend the grinding plate to pre-grind the welding part.

2. The welding fixture docking device for ship repair of claim 1, wherein, The butt joint clamp includes: Push plate, two, symmetrically and movably sleeved outside the guide rod, and threaded on the outside of the lead screw; Guide, symmetrically through the upper end of the welding table; Electric rod, two, respectively fixed on the two push plates, and movably through the guide; Lower chuck, connected outside the fixed end of the electric rod by the fixed part, and located above the welding table; Upper chuck, connected to the telescopic end of the electric rod by the fixed part, and located above the lower chuck.

3. The welding fixture for a ship repair according to claim 2, characterized in that The follower includes: Throughway, through the upper chuck; Slide plate, symmetrically fixed outside the support shell, and transversely through the throughway.

4. The welding fixture for a ship repair according to claim 3, characterized in that The push part includes: Slide, fixed on one side of the welding table; C plate, slidingly set outside the slide; Connecting plate, vertically through the C plate.

5. The welding fixture for a ship repair according to claim 4, characterized in that The support driver includes: Rotating rod, two, rotating through the support shell and symmetrically arranged; The belt is sleeved outside the rotating rod; Speed reducer, fixed outside the support shell, and the output end is axially connected with one of the rotating rods; Motor, connected to the input end of the speed reducer.

6. The welding fixture for a ship repair according to claim 5, characterized in that The knocking part includes: Elastic plate, multiple, uniformly connected with the belt, and distributed along the rotating path of the belt; The knocking plate is water droplet-shaped, one end is sharp, and the sharp end is connected with the end of the elastic plate away from the belt; The blocking rod has two rows, symmetrically fixed on the inner wall of the support shell, and cooperates with the knocking plate to resist lifting the knocking plate.

7. The welding fixture for a ship repair according to claim 6, characterized in that The friction part includes: The support belt has two, symmetrically arranged in the support shell, and located outside the belt; Spring, multiple, uniformly distributed along the rotating path of the support belt, one end connected with the support belt, the other end connected with the belt; T plate, multiple, uniformly distributed along the rotating path of the support belt, connected between the two support belts, and staggered with the knocking plate and the blocking rod; The grinding plate is fixed to the end of the T plate away from the belt.

8. The welding fixture for a ship repair according to claim 7, characterized in that The push-pull part includes: Perforation, through the elastic plate, and located near the belt; Steel wire rope, through the perforation, one end connected with the sharp end of the knocking plate, the other end connected with the T plate adjacent to the non-sharp end of the knocking plate; Support pushing part, symmetrically through the support shell.

9. The welding fixture for a ship repair according to claim 8, characterized in that The support pushing part includes: Lifting rod, four, two of the lifting rods are a group, two groups of the lifting rods are symmetrically arranged through the support shell, and connected with the support shell by the fixed part; Two groups of the lifting rods are respectively located at the end of the two support belts away from the T plate; The arc pressure plate is fixed on the telescopic end of the lifting rod by the fixing member and extends above the inner bottom wall of the supporting belt.

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