Welding equipment for screed plate of paver
By designing an automatic loading and unloading and positioning mechanism, the problem of low efficiency of manual operation in the welding process of the screed of the paver was solved, realizing automated welding and improving work efficiency and welding quality.
Patent Information
- Application Number
- CN202511553020.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-29
- Publication Date
- 2025-12-12
AI Technical Summary
The welding process of the existing screed of the paver requires manual assistance for loading, unloading and positioning, resulting in low work efficiency.
The design incorporates a loading and unloading mechanism, utilizing linear and rotary motors to drive the slide and support frame, enabling automatic loading, unloading, and positioning of the side ear plates and base plates. Automatic support and grinding are achieved through levers and grinding wheels.
The process of welding the screed of the paver has been automated, which has improved work efficiency, eliminated the need for manual operation, and ensured welding quality and efficiency.
Smart Images

Figure CN121104480A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of welding device, and particularly relates to a paving machine ironing plate welding equipment. BACKGROUND
[0002] The ironing plate of the paving machine is a core component of the road paving machine, is used for uniformly compacting the mixture and forming a flat road surface structure, the ironing plate is used for paving and compacting asphalt, concrete and other materials to a specified width through a compaction system such as vibration, rammer or pressure beam, and ensures the flatness and compactness of the road surface, the ironing plate is a welded part used on the paving machine, which is composed of a bottom plate and side ear plates welded on both sides of the bottom plate.
[0003] When the ironing plate is welded, the side ear plates on both sides need to be aligned with the two ends of the bottom plate, and then the welding equipment is used to weld the splicing part, so manual assistance is needed for feeding and positioning each time after welding is completed, which is time-consuming and laborious and affects the efficiency. SUMMARY
[0004] The ironing plate welding equipment of the present application solves the problems in the prior art, and the feeding mechanism is provided, so that the push block drives the side ear plate to move to the welding machine on both sides, when the side ear plate is flush with the end wall of the bottom plate, the side ear plate is separated from the suspension frame, thereby realizing the effects of automatic feeding and positioning of the side ear plate, improving the work efficiency, avoiding the manual assistance for feeding and positioning each time after welding is completed in the prior art, and reducing the low work efficiency, meanwhile, the push block moves downward along the inclined surface of the inclined block, realizing the effect of automatically supporting the side ear plate during welding, avoiding the inclination of the side ear plate during welding, and further improving the work efficiency.
[0005] In order to achieve the above object, the present application adopts the following technical scheme: a paving machine screed welding equipment, comprising a base, a suspension frame for sliding insertion of side ear plates is welded on the top inner wall of the base, a limiting plate for receiving side ear plates is welded on the outer wall of the suspension frame, a pair of symmetrically distributed welding machines are installed on the top inner wall of the base on both sides of the suspension frame, a feeding mechanism and a discharging mechanism are arranged on the base, the feeding mechanism comprises a linear motor installed on the top outer wall of the base, a pair of symmetrically distributed sliding seats are sleeved on the outer wall of the screw rod of the linear motor through thread cooperation with opposite rotation, each sliding seat is slidingly inserted on the top outer wall of the base and extends above the suspension frame, an installation groove is formed on the outer wall of one end of each sliding seat close to the suspension frame, a push block for clamping the side ear plate is slidingly inserted in each installation groove, a first spring is welded between the outer wall of each push block and the inner wall of the installation groove, a pair of inclined blocks symmetrically distributed on both sides of the suspension frame are arranged on the top inner wall of the base, the discharging mechanism comprises a turnover motor installed on the outer lateral wall of the base, a receiving frame rotatingly inserted in the inner wall of the base is welded on the outer wall of the main shaft of the turnover motor, the two sliding seats are driven to move reversely by the linear motor, the side ear plates on the suspension frame are pushed to both ends of the base plate, and the receiving frame is driven to turn over by the turnover motor.
[0006] Preferably, an upper feeding port is arranged on the outer wall of one side of the base close to the turnover motor, and a lower discharging port is arranged on the outer wall of the other side of the base away from the turnover motor.
[0007] Preferably, a downwardly inclined guide groove is formed in the inner wall of the base, a sliding block is slidingly inserted on the outer wall of the receiving frame, and a sliding column slidingly inserted in the guide groove is welded on the outer wall of the sliding block.
[0008] Preferably, a blocking plate is rotatingly inserted on the outer wall of one end of the receiving frame close to the lower discharging port through a rotating shaft, a first gear is installed on the outer wall of the rotating shaft of the blocking plate, and a first rack meshing with the first gear is arranged on the outer wall of the sliding block.
[0009] Preferably, the sliding block drives the first rack to drive the blocking plate to rotate whenever the receiving frame turns over downward.
[0010] Preferably, a coil spring is arranged between the outer lateral wall of the main shaft of the blocking plate and the outer wall of the receiving frame.
[0011] Preferably, the coil spring drives the blocking plate to keep in a vertical state whenever the first rack and the first gear are disengaged.
[0012] Preferably, a baffle is arranged on the outer wall of one end of the receiving frame close to the upper feeding port in a vertical direction, and an inlet allowing the base plate to pass through is formed in the outer wall of the baffle.
[0013] Preferably, a second gear rack is arranged on the outer wall of the receiving frame, and a pair of grinding wheel rollers symmetrically arranged on both sides of the receiving frame are rotatably inserted into the outer wall of the sliding block through rotating shafts, and a second gear wheel is arranged on the rotating shaft of each grinding wheel roller and is in meshing connection with the second gear rack.
[0014] Preferably, when the receiving frame is flipped, the sliding block drives the grinding wheel roller to slide while the grinding wheel roller rotates.
[0015] Compared with the prior art, the present application has the following beneficial effects:
[0016] 1、The feeding mechanism is arranged, the side ear plate is driven by the push block to move to the welding machine on both sides, the side ear plate is separated from the hanging frame when the side ear plate is flush with the end wall of the bottom plate, thereby realizing the effects of automatic feeding and positioning of the side ear plate, improving the work efficiency, avoiding manual feeding and positioning after each welding in the prior art, and reducing the low work efficiency, and the push block moves downward along the inclined surface of the inclined block, thereby realizing the effect of automatically supporting the side ear plate during welding, avoiding the inclination of the side ear plate during welding, and further improving the work efficiency.
[0017] 2、The discharging mechanism is arranged, when the overturning motor is started to drive the receiving frame to overturn downward to be flush with the feeding port, the bottom plate in the feeding port can slide onto the receiving frame through the inlet on the baffle at this time, thereby realizing the effect of automatic feeding of the bottom plate and further improving the work efficiency, when the welding is completed, the overturning motor is started to drive the receiving frame to overturn downward to be parallel to the discharging port, in this process, the sliding block drives the first gear rack to move close to the first gear wheel under the cooperation of the sliding column and the guide groove, so that the intercepting plate overturns downward under the meshing action of the first gear rack and the first gear wheel, thereby making the welding finished product on the receiving frame directly discharged from the discharging port, realizing the effect of automatic discharging, and further improving the work efficiency.
[0018] 3、The sliding block and the sliding column are arranged, the grinding wheel roller slides and rotates under the meshing action of the second gear wheel and the second gear rack, thereby making the grinding wheel roller capable of automatically polishing and pretreating the welding surfaces at both ends of the bottom plate when the bottom plate is fed, and capable of automatically polishing and treating the welding seam between the bottom plate and the side ear plate when the welding finished product is discharged, and further improving the work efficiency.
[0019] 4、The push block is pushed downward by the inclined block, the push block extends out of the mounting groove, the groove on the push block is wide at the bottom and narrow at the top, thereby making the push block capable of providing downward force to the side ear plate, making the side ear plate press the welding ends on both sides of the bottom plate, and avoiding deformation of the bottom plate during welding. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1The three-dimensional schematic view of the paving machine ironing plate provided by the present application;
[0021] Figure 2 The three-dimensional schematic view of the overall structure provided by the present application;
[0022] Figure 3 The three-dimensional schematic view of the overall structure provided by the present application; Figure 1 ;
[0023] Figure 4 The three-dimensional schematic view of the overall structure provided by the present application; Figure 2 ;
[0024] Figure 5 The three-dimensional schematic view of the receiving frame provided by the present application;
[0025] Figure 6 The three-dimensional schematic view of the working state of the overall structure provided by the present application;
[0026] Figure 7 The enlarged schematic view of the structure at A of the Figure 6 provided by the present application;
[0027] Figure 8 The enlarged schematic view of the structure at B of the Figure 6 provided by the present application.
[0028] Legend:
[0029] 1, base; 11, welding machine; 12, linear motor; 121, sliding seat; 122, mounting groove; 123, push block; 124, first spring; 13, suspension frame; 131, limiting plate; 14, inclined block; 15, feeding port; 16, discharging port; 17, guide groove; 2, overturning motor; 21, receiving frame; 211, second rack; 22, baffle; 221, inlet; 23, intercepting plate; 231, first gear; 232, coil spring; 3, sliding block; 31, sliding column; 32, first rack; 33, grinding wheel roller; 331, second gear; 9, bottom plate; 91, side ear plate. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.
[0031] Reference Figures 1 to 8As shown, a paving machine screed welding equipment includes a base 1, a suspension frame 13 for slidingly inserting a side ear plate 91 is welded on the top inner wall of the base 1, a limiting plate 131 for receiving the side ear plate 91 is welded on the outer wall of the suspension frame 13, a pair of symmetrically distributed welding machines 11 are installed on the top inner wall of the base 1 at both sides of the suspension frame 13, and a feeding mechanism and a discharging mechanism are arranged on the base 1;
[0032] The feeding mechanism includes a linear motor 12 installed on the top outer wall of the base 1, a pair of symmetrically distributed sliding seats 121 are sleeved on the outer wall of the screw rod of the linear motor 12 through thread cooperation with opposite rotation, each sliding seat 121 is slidingly inserted on the top outer wall of the base 1 and extends above the suspension frame 13, an installation groove 122 is formed on the outer wall of one end of each sliding seat 121 close to the suspension frame 13, a push block 123 for clamping the side ear plate 91 is slidingly inserted in each installation groove 122, a first spring 124 is welded between the outer wall of each push block 123 and the inner wall of the installation groove 122, and an inclined block 14 is arranged on the top inner wall of the base 1 in a pair of symmetrically distributed manner at both sides of the suspension frame 13.
[0033] It should be noted that the suspension frame 13 is matched with the through hole on the side ear plate 91, so that the side ear plate 91 can be hung on the suspension frame 13 through the through hole, the side wall of the side ear plate 91 is received by the limiting plate 131, so that the side ear plate 91 remains in the placement state during welding, and then during subsequent welding, the side ear plate 91 only needs to be pushed to the end of the bottom plate 9 to realize positioning and welding, which is beneficial to improve the welding efficiency, and the welding machine 11 is an automatic welding device capable of customizing the welding seam track, which is a relatively mature prior art and will not be described in detail here.
[0034] In the initial state, under the action of the first spring 124, only the end region of the push block 123 extends out of the installation groove 122.
[0035] When the side ear plate 91 is fed, the linear motor 12 is started, and under the cooperation of the threads, the two sliding blocks 121 slide reversely, the sliding block 121 drives the shifting block 123 to move, the end of the shifting block 123 is provided with a chamfer, so that when the sliding block 121 drives the shifting block 123 to move above the side ear plate 91, the shifting block 123 can move up by the chamfer to compress the first spring 124 to avoid position, so that the top end of the side ear plate 91 can be inserted into the groove on the shifting block 123, at this time, the linear motor 12 is controlled to drive the sliding block 121 to move close to the welding machine 11 on both sides, so that the shifting block 123 drives the side ear plate 91 to move to the welding machine 11 on both sides, when the side ear plate 91 is flush with the end wall of the bottom plate 9, the side ear plate 91 is separated from the hanging frame 13, so that the automatic feeding and positioning effect of the side ear plate 91 is realized, the working efficiency is improved, and the manual feeding and positioning of the prior art after each welding is avoided, so that the working efficiency is low.
[0036] At the same time, in the process that the sliding block 121 moves close to the welding machine 11 on both sides, the sliding block 121 drives the shifting block 123 to move close to the inclined block 14, so that the inclined block 14 is inserted into the mounting groove 122 and abuts against the shifting block 123, so that the shifting block 123 moves down along the inclined surface of the inclined block 14 and compresses the first spring 124, so that the shifting block 123 extends out of the mounting groove 122, and then the contact area of the shifting block 123 with the side ear plate 91 is increased, so that the automatic supporting effect of the side ear plate 91 during welding is realized, the side ear plate 91 is prevented from tilting during welding, and the working efficiency is further improved.
[0037] The unloading mechanism comprises a turnover motor 2 installed on the outer wall of the base 1, a bearing frame 21 rotatably inserted into the inner wall of the base 1 is welded on the outer wall of the main shaft of the turnover motor 2, the bearing frame 21 is driven to turn over by the turnover motor 2 to unload, an upper feeding port 15 is arranged on the outer wall of the side of the base 1 close to the turnover motor 2, a lower feeding port 16 is arranged on the outer wall of the side of the base 1 away from the turnover motor 2, an inclined downward guide groove 17 is formed in the inner wall of the base 1, a sliding block 3 is slidably inserted into the outer wall of the bearing frame 21, a sliding column 31 slidably inserted into the guide groove 17 is welded on the outer wall of the sliding block 3, an intercepting plate 23 is rotatably inserted into the outer wall of one end of the bearing frame 21 close to the lower feeding port 16 through a rotating shaft, a first gear 231 is installed on the rotating shaft of the intercepting plate 23, a first rack 32 meshing with the first gear 231 is arranged on the outer wall of the sliding block 3, the sliding block 3 drives the first rack 32 to drive the intercepting plate 23 to rotate every time the bearing frame 21 turns over downward, a coil spring 232 is arranged between the outer wall of the main shaft of the intercepting plate 23 and the outer wall of the bearing frame 21, the intercepting plate 23 is kept in a vertical state by the coil spring 232 every time the first rack 32 is disengaged from the first gear 231, a baffle 22 is arranged on the outer wall of one end of the bearing frame 21 close to the upper feeding port 15 in a vertical direction, an inlet 221 allowing the bottom plate 9 to pass through is formed in the outer wall of the baffle 22, a second rack 211 is arranged on the outer wall of the bearing frame 21, a pair of sand wheel rollers 33 symmetrically distributed on both sides of the bearing frame 21 are rotatably inserted into the outer wall of the sliding block 3 through rotating shafts, a second gear 331 meshing with the second rack 211 is installed on the rotating shaft of each sand wheel roller 33, the sand wheel roller 33 slides while self-rotating when the bearing frame 21 turns over every time the sliding block 3 drives the sand wheel roller 33.
[0038] It should be noted that the turnover motor 2 is a stepping motor with a self-locking mechanism, and in the initial state, the bearing frame 21 is in a horizontal state.
[0039] When the bottom plate 9 is fed, the bottom plate 9 is placed in the upper feeding port 15 or fed into the upper feeding port 15 one by one through the conveying belt assembly, at this time, the horizontal bearing frame 21 has a certain angle with the upper feeding port 15, so that the bottom plate 9 in the upper feeding port 15 is intercepted by the baffle 22 on the bearing frame 21, the turnover motor 2 is started to drive the bearing frame 21 to turn over downward to the state of being flush with the upper feeding port 15, at this time, the bottom plate 9 in the upper feeding port 15 can slide to the bearing frame 21 through the inlet 221 on the baffle 22 to realize the effect of automatic feeding of the bottom plate 9, and further improve the work efficiency.
[0040] The bottom plate 9 is intercepted by the intercepting plate 23, avoiding the bottom plate 9 from sliding out of the discharge port 16 directly, after the feeding is completed, the control overturning motor 2 starts the supporting frame 21 to overturn and reset, in the process of the supporting frame 21 driving the bottom plate 9 to overturn to the horizontal state, the side lug 91 on the suspension frame 13 is inserted into the concave surface of the bottom plate 9, realizing the automatic positioning effect between the bottom plate 9 and the side lug 91, further improving the work efficiency.
[0041] Meanwhile, in the process of the above-mentioned overturning of the supporting frame 21, under the cooperation of the slide column 31 and the guide groove 17, the slide column 31 drives the sliding block 3 to slide along the supporting frame 21, the sliding block 3 drives the two grinding roller cylinders 33 to slide along the two ends of the bottom plate 9, the two grinding roller cylinders 33 clamp the outer walls of the two ends of the bottom plate 9, so that the bottom plate 9 can be automatically centered, aligned and positioned, further improving the work efficiency.
[0042] When the welding is completed, the overturning motor 2 is started to drive the supporting frame 21 to overturn downward to the parallel state with the discharge port 16, in this process, under the cooperation of the above-mentioned slide column 31 and guide groove 17, the sliding block 3 drives the first rack 32 to approach the first gear 231, so that under the meshing action of the first rack 32 and the first gear 231, the intercepting plate 23 overturns downward, so that the welded product on the supporting frame 21 is directly discharged from the discharge port 16, realizing the effect of automatic discharging, further improving the work efficiency, when the first rack 32 and the first gear 231 are engaged, under the action of the coil spring 232, the intercepting plate 23 resets, so that when the supporting frame 21 continues to overturn to align with the feeding port 15, the automatic feeding of the bottom plate 9 is realized.
[0043] And, the second gear 331 moves when the above-mentioned grinding roller cylinder 33 slides, so that under the meshing action of the second gear 331 and the second rack 211, the grinding roller cylinder 33 slides while rotating, so that when the bottom plate 9 is fed, the grinding roller cylinder 33 can automatically polish and pretreat the welding surface of the two ends of the bottom plate 9, when the welded product is discharged, the grinding roller cylinder 33 can automatically polish and treat the weld between the bottom plate 9 and the side lug 91, further improving the work efficiency.
[0044] And, when the supporting frame 21 drives the bottom plate 9 to overturn to the horizontal state, in the process of the above-mentioned feeding mechanism, when the push block 123 pushes the side lug 91 to move to the two ends of the bottom plate 9, the inclined block 14 is inserted into the installation groove 122 and abuts against the push block 123, so that the push block 123 moves downward along the inclined surface of the inclined block 14 and compresses the first spring 124, so that the push block 123 extends out of the installation groove 122, the groove on the push block 123 is wide at the bottom and narrow at the top, so that the push block 123 can provide downward force to the side lug 91, so that the side lug 91 presses the welding ends of the two sides of the bottom plate 9, avoiding deformation during the welding of the bottom plate 9.
[0045] Working principle: before work, arrange the side ear plate 91 and suit on the hanging frame 13, place the bottom plate 9 in the feeding port 15;
[0046] Start the turnover motor 2, under the action of the discharging mechanism, the receiving frame 21 is turned down to the state of being flush with the feeding port 15, at this time the bottom plate 9 in the feeding port 15 can slide to the receiving frame 21 through the entrance 221 on the baffle 22, realize the effect of automatic feeding of the bottom plate 9, after the feeding is completed, control the turnover motor 2 to start the receiving frame 21 to turn over and reset, in the process of the receiving frame 21 driving the bottom plate 9 to turn over to the horizontal state, the side ear plate 91 on the hanging frame 13 is inserted into the concave surface of the bottom plate 9, realize the effect of automatic positioning between the bottom plate 9 and the side ear plate 91;
[0047] Start the linear motor 12, under the action of the feeding mechanism, the sliding seat 121 moves close to the welding machine 11 on both sides, so that the side ear plate 91 is driven by the stirring block 123 to move to the welding machine 11 on both sides, when the side ear plate 91 is flush with the end wall of the bottom plate 9, the side ear plate 91 is separated from the hanging frame 13, so as to realize the effects of automatic feeding and positioning of the side ear plate 91, improve the work efficiency, avoid the situation that manual assistance is needed for feeding and positioning every time in the prior art, which leads to low work efficiency;
[0048] After the feeding is completed, start the welding machine 11 on both sides to weld the side ear plate 91 and the bottom plate 9 together;
[0049] After welding is completed, start the turnover motor 2 to drive the receiving frame 21 to turn down to the state of being parallel to the discharging port 16, under the action of the discharging mechanism, the sliding block 3 drives the first rack 32 to move close to the first gear 231, so that under the meshing action of the first rack 32 and the first gear 231, the intercepting plate 23 turns over downward, so that the welded product on the receiving frame 21 is directly discharged from the discharging port 16, realize the effect of automatic discharging, when the meshing stroke of the first rack 32 and the first gear 231 is completed, under the action of the coil spring 232, the intercepting plate 23 turns over and resets, so that when the receiving frame 21 continues to turn over to be aligned with the feeding port 15, the automatic feeding of the bottom plate 9 is carried out;
[0050] And through the sand wheel roller 33 arranged in the discharging mechanism, the second gear 331 moves when the sand wheel roller 33 slides, so that under the meshing action of the second gear 331 and the second rack 211, the sand wheel roller 33 rotates while sliding, so that when the bottom plate 9 is fed, the sand wheel roller 33 can automatically polish and pretreat the welding surface at both ends of the bottom plate 9, when the welded product is discharged, the sand wheel roller 33 can automatically polish and treat the weld between the bottom plate 9 and the side ear plate 91.
[0051] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalent features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A welding device for a paver screed, comprising a base (1), characterized in that: The base (1) has a suspension frame (13) welded on the top inner wall for slidingly inserting the side ear plate (91), and a limiting plate (131) welded on the outer wall for receiving the side ear plate (91). A pair of symmetrically distributed welding machines (11) are installed on the top inner wall of the base (1) on both sides of the suspension frame (13). The base (1) is provided with a feeding mechanism and a discharging mechanism. The feeding mechanism includes a linear motor (12) mounted on the top outer wall of the base (1). A pair of symmetrically distributed slide blocks (121) are fitted on the outer wall of the screw of the linear motor (12) through threads with opposite directions. Each slide block (121) is slidably inserted into the top outer wall of the base (1) and extends to the top of the suspension frame (13). Each slide block (121) has an installation groove (122) on the outer wall of the end near the suspension frame (13). Each installation groove (122) has a lever (123) for engaging the side ear plate (91) slidably inserted into it. A first spring (124) is welded between the outer wall of each lever (123) and the inner wall of the installation groove (122). A pair of symmetrically distributed inclined blocks (14) are provided on the top inner wall of the base (1) on both sides of the suspension frame (13). The feeding mechanism includes a flipping motor (2) installed on the outer wall of the base (1), and a receiving frame (21) that is rotatably inserted into the inner wall of the base (1) is welded on the outer wall of the main shaft of the flipping motor (2). The linear motor (12) drives the two slide blocks (121) to slide in opposite directions, pushing the side ear plates (91) on the suspension frame (13) to both ends of the base plate (9), and the flipping motor (2) drives the receiving frame (21) to flip and unload the material.
2. The screed welding equipment for a paver according to claim 1, characterized in that: The base (1) has a feeding port (15) on the outer wall of the side closest to the flip motor (2), and a discharging port (16) on the outer wall of the side away from the flip motor (2).
3. The screed welding equipment for a paver according to claim 1, characterized in that: The base (1) has an inclined downward guide groove (17) on its inner wall, and a slider (3) is slidably inserted into the outer wall of the support frame (21). A sliding column (31) is welded into the outer wall of the slider (3) and slidably inserted into the guide groove (17).
4. The screed welding equipment for a paver according to claim 3, characterized in that: The receiving frame (21) has an intercepting plate (23) inserted into the outer wall of the end near the discharge port (16) via a rotating shaft. The outer wall of the rotating shaft of the intercepting plate (23) is equipped with a first gear (231), and the outer wall of the slider (3) is provided with a first rack (32) that meshes with the first gear (231).
5. The screed welding equipment for a paver according to claim 4, characterized in that: Whenever the receiving frame (21) flips downward, the slider (3) drives the first rack (32) to drive the interceptor plate (23) to rotate.
6. The screed welding equipment for a paver according to claim 5, characterized in that: A coil spring (232) is provided between the outer wall of the main shaft of the interceptor plate (23) and the outer wall of the support frame (21).
7. The screed welding equipment for a paver according to claim 6, characterized in that: Whenever the first rack (32) disengages from the first gear (231), the coil spring (232) drives the interceptor plate (23) to remain vertical.
8. The screed welding equipment for a paver according to claim 7, characterized in that: A baffle (22) is provided on the outer wall of the receiving frame (21) near the feeding port (15) in the vertical direction. An entrance (221) is provided on the outer wall of the baffle (22) to allow the bottom plate (9) to pass through.
9. The screed welding equipment for a paver according to claim 8, characterized in that: The outer wall of the receiving frame (21) is provided with a second rack (211), and a pair of grinding wheel rollers (33) symmetrically distributed on both sides of the receiving frame (21) are inserted into the outer wall of the slider (3) via a rotating shaft. Each grinding wheel roller (33) is equipped with a second gear (331) that meshes with the second rack (211).
10. The screed welding equipment for a paver according to claim 9, characterized in that: Whenever the receiving frame (21) flips, the slider (3) drives the grinding wheel roller (33) to slide while the grinding wheel roller (33) rotates.