Screen cylinder spin welding device

Abstract

The utility model provides a rotary welding device for a screen cylinder, which comprises a frame body, a base rotationally connected to the frame body around the vertical direction and used for placing the screen cylinder, a positioning rod arranged on the base and capable of abutting against the inner wall of the screen cylinder to position the screen cylinder, and a rotating mechanism arranged on the frame and capable of driving the base to rotate, the rack is further provided with a height adjusting assembly capable of driving the base to move in the vertical direction. The screen cylinder can be positioned, then the screen cylinder is driven by the base to rotate through the rotating mechanism, a worker can weld the side wall of the screen cylinder only at a fixed station, the position of the screen cylinder corresponds to the position of the base, rotating displacement of the screen cylinder can be accurately controlled, and welding efficiency is improved. The welding precision of the screen cylinder can be further improved, the height of the screen cylinder can be adjusted in cooperation with the height adjusting assembly, welding is more convenient for workers, and the welding efficiency of the screen cylinder is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a screen drum processing equipment technical field especially relates to a screen drum rotary welding device. BACKGROUND

[0002] The screen drum is a filtering device for filtering paper pulp in a paper machine. The screen drum includes a lower flange, an upper flange corresponding to the lower flange, a flange plate between the lower flange and the upper flange, and guide screen rods evenly distributed around the flange plate. Each guide screen rod has a screening gap for filtering paper pulp.

[0003] During the processing of the screen drum, the guide screen rods need to be welded with the flange plate and the reinforcing ribs, and the screening gaps between the guide screen rods need to have multiple welding points.

[0004] Currently, the welding of the screen drum is usually done manually. After the welding points between the guide screen rods and the flange plate are determined by the staff, the staff welds them using a welding gun. However, due to the large size of the screen drum, which is usually cylindrical in structure, and the fact that the welding points are usually arranged around the axis of the screen drum, the staff's welding process is tedious. The staff needs to move to the corresponding welding point to position and weld it each time. This welding method is tedious and inefficient, which affects the production efficiency of the screen drum. SUMMARY

[0005] In view of the above-mentioned shortcomings of the prior art, the purpose of the present utility model is to provide a screen drum rotary welding device to solve the problem of difficulty in quickly positioning the screen drum in the prior art.

[0006] To achieve the above-mentioned purposes and other related purposes, the present utility model provides a screen drum rotary welding device, which includes a frame, a base for placing the screen drum rotatably connected to the frame in the vertical direction, a positioning rod arranged on the base and capable of abutting against the inner wall of the screen drum to position the screen drum, and a rotating mechanism arranged on the frame and capable of driving the base to rotate, and a height adjustment assembly capable of driving the base to move in the vertical direction is also arranged on the frame.

[0007] By adopting the above-mentioned technical solution, the screen drum can be placed on the base, and the positioning rod can abut against the inner wall of the screen drum to make the central axis of the screen drum coincide with the axis of the base, thereby positioning the position of the screen drum. Then, the rotating mechanism drives the screen drum to rotate under the action of the base. This allows the staff to realize welding of the side wall of the screen drum at a fixed station, and the position of the screen drum corresponds to the position of the base. The rotating displacement of the screen drum can be accurately controlled, which further improves the welding precision of the screen drum. Moreover, the height of the screen drum can be adjusted by cooperating with the height adjustment assembly, which makes it more convenient for the staff to weld and further improves the welding efficiency of the screen drum.

[0008] In an embodiment of the utility model, the base center is provided with the rotating shaft which is rotationally connected with the frame body, the rotating mechanism includes the driving motor which is arranged along the vertical direction and the connecting piece which connects the driving motor conveying end and the rotating shaft.

[0009] By adopting the above technical scheme, the rotating shaft can be driven to rotate by the driving motor and the connecting piece, so that the base can rotate.

[0010] In an embodiment of the utility model, the positioning rod is radially slidably connected to the base, the base is further provided with an adjusting mechanism for radially displacing the positioning rod along the base, the adjusting mechanism includes a sliding groove arranged along the radial direction of the base, a sliding block slidably connected to the sliding groove and connected with the positioning rod, and an adjusting screw rod arranged in the sliding groove and threadedly connected with the sliding block.

[0011] By adopting the above technical scheme, the positioning rod can be radially displaced along the base, so that the positioning position of the positioning rod can be adjusted, so that it can be adapted to different sizes of the screen drum for processing, and the applicability of the equipment is improved.

[0012] In an embodiment of the utility model, the positioning rod is further provided with a guide wheel which can be rollingly connected with the inner wall of the screen drum, the guide wheel is rotationally connected to the positioning rod, and a plurality of guide wheels are arranged along the vertical direction.

[0013] By adopting the above technical scheme, the plurality of guide wheels are arranged, so that the screen drum is more convenient to place.

[0014] In an embodiment of the utility model, the positioning rod is provided with a slot on the upper side, a pressing rod which can abut and press the upper end face of the screen drum is inserted into the slot, a pressing plate is arranged on the upper end of the pressing rod along the horizontal direction, a connecting block is rotationally connected to the lower end of the pressing rod around the axis line of the pressing rod, the connecting block is axially fixed to the pressing rod, and a compression spring is arranged at the bottom of the slot and elastically connected with the connecting block.

[0015] By adopting the above technical scheme, the pressing rod can press the upper end of the screen drum together with the pressing plate, so that the screen drum can be fixedly placed on the base, the position of the screen drum will not be deviated during rotation and height adjustment, the welding precision is improved, and when the screen drum is placed, the pressing plate only needs to be rotated to the inside of the base.

[0016] In an embodiment of the utility model, the height adjusting assembly includes a support plate which is slidably connected to the frame body along the vertical direction, a guide column which is fixedly arranged on the frame body and slidably connected with the frame body, and a hydraulic cylinder which is arranged at the bottom of the frame body and can drive the support plate to ascend and descend, and the rotating mechanism is mounted on the support plate.

[0017] By adopting the above technical scheme, the base can be moved along the vertical direction by the hydraulic cylinder.

[0018] In an embodiment of the utility model, the connecting piece is a speed reducer connecting the output shaft of the driving motor and the rotating shaft.

[0019] By adopting the above technical scheme, the speed reducer is more convenient for adjusting the rotating speed of the base and the rotating precision, and is more convenient for welding the side wall of the screen drum.

[0020] As described above, the screen drum rotating welding device has the following beneficial effects: the screen drum can be placed on the base, the inner wall of the screen drum is abutted by the positioning rod, the central axis of the screen drum coincides with the axis of the base, the position of the screen drum is positioned, then the screen drum is driven to rotate by the rotating mechanism, the staff can realize welding of the side wall of the screen drum at the fixed station, the position of the screen drum corresponds to the position of the base, the rotating displacement of the screen drum can be accurately controlled, the welding precision of the screen drum can be further improved, the height of the screen drum can be adjusted by the height adjusting assembly, the staff can weld more conveniently, and the welding efficiency of the screen drum is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structure schematic view of the whole disclosed in the embodiment of the utility model is shown;

[0022] Figure 2 The structure schematic view of the rotating mechanism disclosed in the embodiment of the utility model is shown;

[0023] Figure 3 The structure schematic view of the height adjusting assembly disclosed in the embodiment of the utility model is shown;

[0024] Figure 4 The structure schematic view of the pressing rod disclosed in the embodiment of the utility model is shown;

[0025] ELEMENT NUMBER EXPLANATION

[0026] 1, frame body; 2, base; 3, positioning rod; 4, rotating mechanism; 5, rotating shaft; 6, adjusting mechanism; 7, guide wheel; 8, height adjusting assembly; 9, screen drum;

[0027] 20, driving motor; 21, connecting piece;

[0028] 30, sliding groove; 31, sliding block; 32, adjusting screw; 33, operating handle;

[0029] 40, insertion slot; 41, pressing rod; 42, pressing plate; 43, compression spring; 44, connecting block;

[0030] 50, support plate; 51, guide column; 52, hydraulic cylinder. DETAILED DESCRIPTION

[0031] The following specific embodiments illustrate the embodiments of the present application, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content.

[0032] Please refer to Figures 1 to 4 It is understood that the structure, proportion, size, etc. shown in the drawings attached to the present specification are only used to cooperate with the disclosed content of the present specification for those skilled in the art to understand and read, and are not used to limit the limiting conditions of the implementation of the present application, so they do not have technical substantive significance. Any modification of the structure, change of the proportion relationship, or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the disclosed technical content of the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the present specification are only for the convenience of clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope of the present application.

[0033] As shown in Figure 1 , Figure 2 The present application provides a screen drum rotating welding device, which comprises a frame body 1, a base 2 rotatably connected to the frame body 1 for placing a screen drum 9, a positioning rod 3 arranged on the base 2 and capable of abutting against the inner wall of the screen drum 9 to position the screen drum 9, and a rotating mechanism 4 arranged on the frame and capable of driving the base 2 to rotate. The screen drum 9 can be placed on the base 2, and the position of the screen drum 9 is positioned by the positioning rod 3, so that the central axis of the screen drum 9 coincides with the axis of the base 2, the position of the screen drum 9 is determined, and then the base 2 is rotated by the rotating mechanism 4, so that the rotating welding of the side wall is realized.

[0034] A rotating shaft 5 is arranged at the center of the base 2 and rotatably connected to the frame body 1. The rotating mechanism 4 comprises a driving motor 20 arranged in the vertical direction and a connecting piece 21 connecting the driving motor 20 and the rotating shaft 5. The connecting piece 21 is a speed reducer, the input end of the speed reducer is connected to the output end of the driving motor 20, and the output end of the speed reducer is connected to the rotating shaft 5. The speed reducer can be a conventional speed reducer, which can drive the rotating shaft 5 to rotate by cooperating with the driving motor 20, so as to realize the rotation of the base 2.

[0035] The positioning rod 3 is slidably connected to the base 2 in the radial direction of the base 2. The base 2 further comprises an adjusting mechanism 6 for adjusting the radial displacement of the positioning rod 3. The adjusting mechanism 6 comprises a sliding groove 30 arranged in the radial direction of the base 2, a sliding block 31 slidably connected to the sliding groove 30 and connected to the positioning rod 3, and an adjusting screw 32 arranged in the sliding groove 30 and threadedly connected to the sliding block 31.

[0036] The adjusting screw 32 is rotatably connected to the slide groove 30 in the direction of extension of the slide groove 30. One end of the adjusting screw 32 extends to the outside of the base 2, and the end is also provided with an operating handle 33 that can drive the adjusting screw 32 to rotate. The operating handle 33 can drive the adjusting screw 32 to rotate, so that the adjusting screw 32 drives the slider 31 to slide and move, thereby realizing the adjustment of the position of the positioning rod 3.

[0037] The positioning rod 3 is also provided with a guide wheel 7 that can be rolled and connected to the inner wall of the screen drum 9. The guide wheel 7 is rotatably connected to the positioning rod 3, and multiple guide wheels 7 are arranged in the vertical direction.

[0038] like Figure 4 As shown, a slot 40 is provided on the upper side of the positioning rod 3. A pressure rod 41 that can abut against and press the upper surface of the screen drum 9 is inserted into the slot 40. A pressure plate 42 is provided on the upper end of the pressure rod 41 in the horizontal direction. A connecting block 44 is rotatably connected to the lower end of the pressure rod 41 around its axis. The connecting block 44 is axially fixed to the pressure rod 41. A compression spring 43 that is elastically connected to the connecting block 44 is provided at the bottom of the slot 40.

[0039] When placing the screen drum 9, the pressure plate 42 at the upper end of the pressure rod 41 can be rotated to face the center of the bottom plate, so that the pressure plate 42 will not interfere with the screen drum 9. After the screen drum 9 is placed, the pressure rod 41 can be moved upward in the vertical direction and then rotated so that the pressure plate 42 on the pressure rod 41 can press against the upper side of the screen drum 9, thereby achieving the pressing and fixing of the screen drum 9.

[0040] like Figure 3 As shown, the frame is also equipped with a height adjustment component 8 that can drive the base 2 to move in the vertical direction. The height adjustment component 8 includes a support plate 50 that is slidably connected to the frame 1 in the vertical direction, a guide column 51 that is fixedly set on the frame 1 and slidably connected to the frame 1, and a hydraulic cylinder 52 that is set at the bottom of the frame 1 and can drive the support plate 50 to rise and fall. The rotating mechanism 4 is installed on the support plate 50.

[0041] In summary, this utility model allows the sieve drum 9 to be placed on the base 2, and the positioning rod 3 abuts against the inner wall of the sieve drum 9, making the central axis of the sieve drum 9 coincide with the axis of the base 2, thereby positioning the sieve drum 9. Then, the rotating mechanism 4 causes the sieve drum 9 to rotate under the drive of the base 2, enabling the operator to weld the side wall of the sieve drum 9 from a fixed position. Furthermore, the position of the sieve drum 9 corresponds to the position of the base 2, allowing for precise control of the rotational displacement of the sieve drum 9, which further improves the welding accuracy of the sieve drum 9. In addition, the height adjustment component 8 can adjust the height of the sieve drum 9, making it easier for the operator to weld and further improving the welding efficiency of the sieve drum 9.

[0042] Therefore, the utility model effectively overcomes various shortcomings in prior art and has high industrial utilization value.

[0043] The above embodiment only exemplarily illustrates the principle and effect of the utility model, and is not used for limiting the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and category of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A rotary welding device for a screen drum, characterized in that, The device includes a frame, a base rotatably connected to the frame in a vertical direction for placing a screen drum, a positioning rod on the base that can abut against the inner wall of the screen drum to position the screen drum, and a rotating mechanism on the frame that can drive the base to rotate. The frame is also equipped with a height adjustment component that can drive the base to move in a vertical direction.

2. The rotary welding device for the screen drum according to claim 1, characterized in that: The base has a rotating shaft at its center that is rotatably connected to the frame. The rotating mechanism includes a drive motor arranged in the vertical direction and a connector that connects the drive motor's output end to the rotating shaft.

3. The screen drum rotary welding device according to claim 1, characterized in that: The positioning rod is slidably connected to the base along the radial direction of the base. The base is also provided with an adjustment mechanism that causes the positioning rod to move radially along the base. The adjustment mechanism includes a slide groove arranged radially along the base, a slider connected to the positioning rod in the slide groove, and an adjustment screw arranged in the slide groove and threadedly engaged with the slider.

4. The screen drum rotary welding device according to claim 1, characterized in that: The positioning rod is also provided with guide wheels that can be rolled and connected to the inner wall of the screen drum. The guide wheels are rotatably connected to the positioning rod, and multiple guide wheels are arranged in the vertical direction.

5. The rotary welding device for the screen drum according to claim 1, characterized in that: The upper side of the positioning rod is provided with a slot, and a pressure rod that can abut against and press the upper end face of the screen drum is inserted into the slot. A pressure plate is provided at the upper end of the pressure rod in the horizontal direction, and a connecting block is rotatably connected to the lower end of the pressure rod around its axis. The connecting block is axially fixed to the pressure rod, and a compression spring that is elastically connected to the connecting block is provided at the bottom of the slot.

6. The screen drum rotary welding device according to claim 1, characterized in that: The height adjustment assembly includes a support plate that slides vertically onto the frame, a guide column that is fixedly mounted on the frame and slides along the frame, and a hydraulic cylinder located at the bottom of the frame that can drive the support plate to rise and fall. The rotating mechanism is mounted on the support plate.

7. The rotary welding device for the screen drum according to claim 2, characterized in that: The connector is a speed reducer that connects the output shaft of the drive motor to the rotating shaft.

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