CN218809093U - Non-woven fabric stacking device - Google Patents

Abstract

The utility model relates to a non-woven fabrics production technical field especially relates to a non-woven fabrics pile up neatly device, including the support frame, support frame upper end both sides are equipped with the triangle slide rail, sliding connection has the pile up neatly device on the slide rail, crossbeam device upper end and two sliding connection of spout of T template one side lower extreme, and two side upper ends of T template spout are equipped with rotating electrical machines one, and rotating electrical machines one end fixed mounting has the T template, the T template is passed to one side output shaft of rotating electrical machines, extension fixedly connected with helical gear, and the helical gear is connected with the meshing of the helical gear of lift post one side, and the lift post is close to helical gear one end and is equipped with the slide rail, and the equal fixed mounting of lower extreme has spout three on the left of T template, and the slide rail sliding connection that spout three and helical gear one end were equipped with, and T template rear end fixed mounting has longitudinal movement device, and the transverse movement device is installed to crossbeam device lower extreme, and lift post lower extreme is equipped with the gear device, and gear device lower extreme is equipped with grabbing device, increases work efficiency, structure safe and reliable.

Description

Non-woven fabric stacking device

Technical Field

The utility model relates to a non-woven fabrics production technical field especially relates to a non-woven fabrics pile up neatly device.

Background

The non-woven fabric production process usually needs to be carried and packaged in rolls, the non-woven fabric stacking on the market mostly needs manual operation, the labor intensity of workers is high, products can be damaged carelessly in the operation process, and the placement is not uniform;

the stacking device on the market is not strong in flexibility, can only move in one direction, or cannot control the jaw to fall, and cannot be flexibly applied to longitudinal and transverse movement and vertical movement of the stacking device, linkage between a rotating motor and a gear cannot be reasonably applied, movement of the device is achieved, and movement is assisted through a sliding chute and a sliding rail.

SUMMERY OF THE UTILITY MODEL

The utility model provides a non-woven fabrics pile up neatly device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a non-woven fabrics pile up neatly device, includes the support frame, support frame upper end both sides are equipped with the triangle slide rail, and sliding connection has the pile up neatly device on the slide rail, and the pile up neatly device still includes lift post, helical gear, rack gear, grabbing device, crossbeam device, places board, material book, T template, spout two, spout three, lateral shifting device, longitudinal movement device, crossbeam device lower extreme one side is equipped with lateral shifting device, crossbeam device upper end and the two sliding connection of spout of T template one side lower extreme, two sides upper ends of T template spout are equipped with rotating electrical machines one, rotating electrical machines lower extreme fixed mounting has the T template, one side output shaft of rotating electrical machines passes the T template, extension fixed connection has the helical gear, the helical gear meshes with the helical gear of lift post one side, the lift post is close to rack gear one end and is equipped with the slide rail, and the equal fixed mounting of spout three on the left of T template, spout three and the slide rail sliding connection that rack gear one end was equipped with, T rear end fixed mounting has the longitudinal movement device, the crossbeam device lower extreme is installed to the crossbeam device lower extreme, lift post lower extreme is equipped with the rack gear grabbing device.

The utility model discloses a material storage rack, including support frame, support frame upper end triangle slide rail both sides all are equipped with the limiting plate, the support frame lower extreme is equipped with a plurality of evenly distributed's the board of placing, it is equipped with material book on the board to place.

The gear disc device further comprises a gear disc, a first gear and a third rotating motor, the gear disc is inserted at the lower end of the lifting column, the first gear is meshed and connected with the right side of the gear disc, the upper end of the first gear is fixedly connected with the end part of an output shaft at the lower end of the third rotating motor, and the third rotating motor is installed at the lower end of the right side of the lifting column.

The grabbing device further comprises a triangular plate, a grabbing column, a connecting plate, a first sliding groove, a sliding rail, a second gear, a telescopic cylinder, a square truss and a first rack, the lower end of a gear disc is fixedly connected with the upper end of the square truss, the telescopic cylinder is fixedly mounted in the middle of the square truss, the triangular plate is fixedly mounted at the end part of an output shaft on one side of the telescopic cylinder, the four corners of the lower end of the square truss are respectively provided with the sliding rail, the sliding rail is connected with the first sliding groove, the first sliding grooves on the two sides of the sliding rail are fixedly connected with the connecting plate, the upper end of the connecting plate on one side is fixedly connected with the triangular plate, the second gear is inserted into the lower end of the square truss, the opposite angles on the two sides of the first gear are respectively meshed with the first rack, the first rack is slidably connected with the L-shaped groove, the upper end of the L-shaped groove is fixedly mounted at the lower end of the square truss, the outer side of the other end of the connecting plate is fixedly connected with the connecting plate, and the grabbing column is arranged on the two sides of the connecting plate on the two sides.

The transverse moving device also comprises a transverse rotating motor, a mounting box, a rotating shaft, a bevel gear shaft, a first bevel gear, a coupling, a roller, a tension gear, a gear and a bearing seat, wherein the four corners of the lower end of the transverse beam device are respectively provided with the bearing seat, the middle of the bearing seat is connected with the roller, the roller is in sliding connection with a triangular sliding rail at the upper end of the support frame, the inner sides of the front and rear end rollers at the right side are connected with the coupling, the inner sides of the couplings at the two sides are connected through the rotating shaft, the middle of the rotating shaft is fixedly inserted in the first bevel gear, the first bevel gear is mounted in the mounting box, the bevel gear shaft is inserted in one side at the upper end of the mounting box and is meshed with the first bevel gear, the outer side of the bevel gear shaft is fixedly connected with an output shaft of the transverse rotating motor, the horizontal rotating electrical machines is installed on the mounting box right side, mounting box upper end fixed mounting is at crossbeam device right side lower extreme, be equipped with the strainer in the middle of the crossbeam device both sides, the gear of front and back side passes through the linkage between the chain, inboard and strainer meshing connection in the middle of the chain, the strainer still includes the strainer, the sliding plate, the bolt, the fixed plate, crossbeam device both sides upper end fixed mounting has the fixed plate, be equipped with the perforating hole on the fixed plate, it has the bolt to peg graft in the perforating hole, bolt lower extreme and sliding plate upper end are pegged graft, the sliding plate lower extreme is equipped with the grafting axle, it has the strainer to peg graft on the grafting axle, the strainer passes through the rotation bolt and drives the sliding plate rebound, the sliding plate drives the elasticity that the strainer moved the realization chain upwards.

The longitudinal moving device further comprises a longitudinal rotating motor, a second helical gear and a second rack, the longitudinal rotating motor is fixedly mounted at the rear end of the right side of the T-shaped plate, an output shaft at the lower end of the longitudinal rotating motor penetrates through the T-shaped plate, the second helical gear is fixedly connected to the end part of the extending part, the second helical gear is meshed with the second rack, and the second rack is mounted at the upper end of the cross beam device.

Has the advantages that: the utility model discloses a gear plate device realizes that grabbing device's rotation of equidirectional, the convenient clamp is got, grabbing device drives the telescopic shaft through the telescoping cylinder and drives the set-square, and the set-square drives the connecting plate and removes, and the connecting plate drives the rack, and the rack drives the gear and drives the rack of opposite side, realizes grabbing the post and is close to each other and grasps the material book each other, and the structure links, only needs two racks and a gear to drive the linkage of the post of grabbing of both sides;

the transverse moving device drives the first bevel gear to rotate through the bevel gear shaft on the transverse rotating motor, the first bevel gear drives the rotating shaft to rotate, the rotating shaft is matched with the coupler to drive the roller wheel, the structure is simple, labor is saved through the gear, the longitudinal moving device is also meshed and connected through the bevel gear, the column is lifted through the auxiliary lifting of the air cylinder, the lifting pulling force of the lifting column is increased, and the working efficiency is improved.

Compact structure, intensity is high, increases work efficiency, structure safe and reliable.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure of view A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of view B of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the stacking apparatus of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the structure of view C of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the stacking apparatus of FIG. 1 according to the present invention;

FIG. 7 is a schematic view of the structure of view D in FIG. 6 according to the present invention;

FIG. 8 is a schematic bottom view of the stacking apparatus of FIG. 1 according to the present invention;

FIG. 9 is a schematic cross-sectional view of E-E of FIG. 8 according to the present invention;

FIG. 10 is a schematic view of the stacking apparatus of FIG. 1 according to the present invention;

FIG. 11 is a schematic view of the structure H of FIG. 10 according to the present invention;

fig. 12 is a schematic view of the structure of view G in fig. 10 according to the present invention;

fig. 13 is a schematic view of the structure of view F in fig. 10 according to the present invention;

fig. 14 is a schematic structural view of the stacking device shown in fig. 1 according to the present invention.

In the figure: 1. a limiting plate; 2. a support frame; 3. a lifting column; 31. a first helical rack; 4. a first rotating motor; 41. a helical gear; 5. a gear plate device; 51. a gear plate; 52. a first gear; 53. a third rotating motor; 6. a gripping device; 61. a set square; 62. grabbing the column; 63. a connecting plate; 64. a first sliding chute; 65. a slide rail; 66. a second gear; 67. a telescopic cylinder; 68. a square truss; 69. a first rack; 7. a cross beam device; 8. placing a plate; 9. a roll of material; 11. a T-shaped plate; 111. a second chute; 112. a third chute; 12. a lateral movement device; 121. a transverse rotating electric machine; 122. mounting a box; 123. a rotating shaft; 124. a bevel gear shaft; 125. a first bevel gear; 126. a coupling; 127. a roller; 128. a takeup gear; 129. a third gear; 130. a bearing seat; 13. a longitudinal moving device; 131. a longitudinal rotating electrical machine; 132. a second bevel gear; 133. And a second rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-14, a non-woven fabrics pile up neatly device, including support frame 2, 2 upper end both sides of support frame are equipped with the triangle slide rail, and sliding connection has the pile up neatly device on the slide rail, and the pile up neatly device still includes lift column 3, helical rack 31, rotating electrical machines 4, helical gear 41, gear plate device 5, grabbing device 6, crossbeam device 7, places board 8, material book 9, T-shaped board 11, spout two 111, spout three 112, lateral shifting device 12, longitudinal shifting device 13, crossbeam device 7 lower extreme one side is equipped with lateral shifting device 12, crossbeam device 7 upper end and the spout two 111 sliding connection of T-shaped board 11 one side lower extreme, T-shaped board 11 spout two 111 side upper end is equipped with rotating electrical machines 4, rotating electrical machines 4 lower extreme fixed mounting has T-shaped board 11, rotating electrical machines 4 one side output shaft passes T-shaped board 11, extension fixed connection has helical gear 41, helical gear 41 meshes with the helical rack 31 of lift column 3 one side lower extreme and is connected, lift column 3 is close to the helical rack 31 end and is equipped with the slide rail, and the rack device 13, the lower extreme is equipped with the sliding connection of sliding device 11, the lower extreme of the rack 12, the sliding connection has the rack device 11, the lower extreme 3, the lifting column 3 is equipped with the lateral shifting device 13.

2 upper end triangle slide rail both sides of support frame all are equipped with limiting plate 1, 2 lower extremes of support frame are equipped with a plurality of evenly distributed's the board 8 of placing, it is equipped with material book 9 on the board 8 to place.

The gear disc device 5 further comprises a gear disc 51, a first gear 52 and a third rotating motor 53, the gear disc 51 is connected to the lower end of the lifting column 3 in an inserted mode, the right side of the gear disc 51 is connected with the first gear 52 in an engaged mode, the upper end of the first gear 52 is fixedly connected with the end portion of an output shaft at the lower end of the third rotating motor 53, and the third rotating motor 53 is installed at the lower end of the right side of the lifting column 3.

The grabbing device 6 further comprises a triangular plate 61, a grasping column 62, a connecting plate 63, a first sliding groove 64, a sliding rail 65, a second gear 66, a telescopic cylinder 67, a square truss 68 and a first rack 69, the lower end of the gear disc 51 is fixedly connected with the upper end of the square truss 68, the telescopic cylinder 67 is fixedly installed in the middle of the square truss 68, the triangular plate 61 is fixedly installed at the end part of an output shaft on one side of the telescopic cylinder 67, the sliding rails 65 are arranged at four corners of the lower end of the square truss 68, the first sliding groove 64 is connected onto the sliding rail 65 in a sliding mode, the first sliding grooves 64 on two sides are fixedly connected through the connecting plate 63, the triangular plate 61 is fixedly connected to the upper end of the connecting plate 63 on one side, the second gear 66 is inserted into the lower end of the middle of the square truss 68, the first rack 69 is connected with the L-shaped groove in a sliding mode, the upper end of the L-shaped groove is fixedly installed at the lower end of the square truss 68, the outer side of the first rack 69 is fixedly connected with the connecting plate 63, and the grasping columns 62 are arranged on two sides of the lower end of the connecting plate 63.

The transverse moving device 12 further comprises a transverse rotating motor 121, a mounting box 122, a rotating shaft 123, a bevel gear shaft 124, a first bevel gear 125, a coupling 126, rollers 127, a slack gear 128, a gear 129 and bearing seats 130, wherein the four corners of the lower end of the transverse beam device 7 are respectively provided with the bearing seats 130, the rollers 127 are coupled in the middle of the bearing seats 130, the rollers 127 are slidably connected with a triangular sliding rail at the upper end of the support frame 2, the inner sides of the front and rear rollers 127 at the right side are coupled with the coupling 126, the inner sides of the coupling 126 at the two sides are connected through the rotating shaft 123, the middle of the rotating shaft 123 is fixedly inserted in the first bevel gear 125, the first bevel gear 125 is mounted inside the mounting box 122, the bevel gear shaft 124 is inserted in one side at the upper end of the mounting box 122, the bevel gear shaft 124 is meshed with the first bevel gear 125, the outer side of the bevel gear shaft 124 is fixedly connected with an output shaft of the transverse rotating motor 121, transverse rotating electrical machines 121 are installed on the right side of installation box 122, installation box 122 upper end fixed mounting is at crossbeam device 7 right side lower extreme, be equipped with strainer 128 in the middle of crossbeam device 7 both sides, gear 129 of front and back side passes through the linkage between the chain, the inboard is connected with strainer 128 meshing in the middle of the chain, strainer 128 still includes elasticity tooth 1281, sliding plate 1282, bolt 1283, fixed plate 1284, crossbeam device 7 both sides upper end fixed mounting has fixed plate 1284, be equipped with the perforating hole on the fixed plate 1284, bolt 1283 has been pegged graft in the perforating hole, bolt 1283 lower extreme and sliding plate 1282 upper end are pegged graft, sliding plate 1282 lower extreme is equipped with the spiale, it has elasticity tooth 1281 to peg graft on the spiale, elasticity gear 128 drives sliding plate 1282 rebound through swivel bolt 1283, sliding plate 1282 drives elasticity tooth 1281 rebound and realizes the elasticity of chain.

The longitudinal moving device 13 further comprises a longitudinal rotating motor 131, a second helical gear 132 and a second rack 133, the longitudinal rotating motor 131 is fixedly installed at the rear end of the right side of the T-shaped plate 11, an output shaft at the lower end of the longitudinal rotating motor 131 penetrates through the T-shaped plate 11, the second helical gear 132 is fixedly connected to the end of the extending portion, the second helical gear 132 is meshed with the second rack 133, and the second rack 133 is installed at the upper end of the beam device 7.

The working principle is as follows: when the device is used, the material roll 9 is started to move to one side of the lower end of the support frame 2, the transverse moving device 12 is started, the transverse rotating motor 121 is started to drive the bevel gear shaft 124 to rotate, the bevel gear shaft 124 drives the bevel gear I125 to rotate, the bevel gear I125 drives the rotating shaft 123 to rotate through a key, the rotating shaft drives the shaft couplers 126 on two sides, the shaft couplers drive the roller wheels 127 on two sides, the roller wheels 127 drive the roller wheels 127 on the front end through a chain to realize the longitudinal movement of the stacking device, the longitudinal moving device 13 drives the grabbing device 6 on the lower end to longitudinally move to a designated position, the bevel gear II 132 on the lower end of the longitudinal rotating motor 131 on the longitudinal moving device 13 drives the rack II 133 to longitudinally move, the chute II 111 on the rear end is in auxiliary sliding connection with the sliding rail on the upper end of the cross beam device 7, the rotating motor I4 is started to drive the bevel gear 41 to rotate, and the bevel gear 41 drives the bevel rack I31 to realize the up-and down movement of the lifting column 3, when the required working position is reached, the gear disc device 5 is started to drive the gripping device 6 to rotate to a specified direction, the output shaft of the rotating motor three 53 drives the gear wheel one 52 at the lower end, the gear wheel one 52 drives the gear wheel 51 to rotate, the gear wheel 51 drives the gripping device 6 at the lower end to rotate, the gripping device 6 grips the material roll 9, the telescopic shaft on the telescopic cylinder 67 stretches and stretches to drive the triangular plate 61, the triangular plate 61 drives the connecting plate 63 to move relatively, the gear wheel two 66 on the connecting plate 63 drives the rack one 69 at two sides to be in relative meshing connection, the connecting plate 63 at one side moves to drive the rack one 69 at one side to move, the rack one 69 drives the gear wheel two 66 to rotate, the gear wheel two 66 drives the rack one 69 at the other side to move relatively, the connecting plate 63 at the other side is driven by the rack one 69 to move relatively, the gripping columns 62 are close to grip the material roll 9, the gripping columns 62 are wavy, and the friction force is increased, 3 one side sliding connection cylinders of lift post, cylinder lower extreme and 11 fixed connection of T template, cylinder lower extreme output shaft extend to 11 lower extremes of T template, and extension output shaft tip passes through set-square and 3 fixed connection of lift post, and supplementary lift post 3 goes up and down.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a non-woven fabrics pile up neatly device which characterized in that: the automatic stacking device comprises a support frame (2), triangular sliding rails are arranged on two sides of the upper end of the support frame (2), a stacking device is connected on the sliding rails in a sliding mode, the stacking device further comprises a lifting column (3), a first helical rack (31), a first rotating motor (4), a helical gear (41), a gear disc device (5), a grabbing device (6), a beam device (7), a placing plate (8), a material roll (9), a T-shaped plate (11), a second sliding chute (111), a third sliding chute (112), a transverse moving device (12) and a longitudinal moving device (13), a transverse moving device (12) is arranged on one side of the lower end of the beam device (7), the upper end of the beam device (7) is connected with the second sliding chute (111) at the lower end of one side of the T-shaped plate (11) in a sliding mode, the first rotating motor (4) is arranged on the upper end of the second sliding chute (111) at the T-shaped plate (11), the first rotating motor (4) is fixedly provided with the T-shaped plate (11), an output shaft at one side of the first rotating motor (4) penetrates through the T-shaped plate (11), the helical gear (41) is fixedly connected with the first helical gear (31) at one side of the lifting column (3), the lower end of the lifting column (31), and the helical gear (31) is arranged on the left side of the sliding mode, the three sliding grooves (112) are connected with sliding rails arranged at the first helical rack (31) end in a sliding mode, a longitudinal moving device (13) is fixedly mounted at the rear end of the T-shaped plate (11), a transverse moving device (12) is mounted at the lower end of the beam device (7), a gear disc device (5) is arranged at the lower end of the lifting column (3), and a grabbing device (6) is arranged at the lower end of the gear disc device (5).

2. The non-woven fabric stacking apparatus according to claim 1, wherein: limiting plates (1) are arranged on two sides of a triangular sliding rail at the upper end of the support frame (2), a plurality of uniformly distributed placing plates (8) are arranged at the lower end of the support frame (2), and material rolls (9) are arranged on the placing plates (8).

3. The non-woven fabric palletizing device according to claim 1, wherein: the gear disc device (5) further comprises a gear disc (51), a first gear (52) and a third rotating motor (53), the gear disc (51) is connected to the lower end of the lifting column (3) in an inserted mode, the right side of the gear disc (51) is meshed with the first gear (52), the upper end of the first gear (52) is fixedly connected with the end portion of an output shaft at the lower end of the third rotating motor (53), and the third rotating motor (53) is installed at the lower end of the right side of the lifting column (3).

4. The non-woven fabric palletizing device according to claim 3, wherein: grabbing device (6) still include set-square (61), grab tight post (62), connecting plate (63), spout one (64), slide rail (65), gear two (66), telescoping cylinder (67), square truss (68), rack one (69), pinion disc (51) lower extreme and square truss (68) upper end fixed connection, fixed mounting has telescoping cylinder (67) in the middle of square truss (68), telescoping cylinder (67) one side output shaft tip fixed mounting has set-square (61), square truss (68) lower extreme four corners all is equipped with slide rail (65), sliding connection has spout one (64) on slide rail (65), both sides spout one (64) are through connecting plate (63) fixed connection, one side connecting plate (63) upper end fixed connection set-square (61), square truss (68) middle lower extreme is pegged graft and is had gear two (66), gear two (66) both sides diagonal angle all meshing connection has rack one (69), rack one (69) and L type groove sliding connection, L type groove upper end fixed mounting is at square truss (68) lower extreme, rack one (69) other end outside and connecting plate (63) fixed connection, the both sides of connecting plate (63) are equipped with the tight post (62).

5. The non-woven fabric palletizing device according to claim 1, wherein: the transverse moving device (12) also comprises a transverse rotating motor (121), a mounting box (122), a rotating shaft (123), a bevel gear shaft (124), a first bevel gear (125), a coupler (126), a roller (127), a tension gear (128), a gear (129) and a bearing seat (130), crossbeam device (7) lower extreme four corners all is equipped with bearing frame (130), it has running roller (127) to connect in bearing frame (130), triangle slide rail sliding connection of running roller (127) and support frame (2) upper end, front and back end running roller (127) the inboard coupling (126) that has on right side, both sides coupling (126) inboard is connected through rotation axis (123), fixed grafting is in helical gear (125) in the middle of rotation axis (123), helical gear (125) are installed inside mounting box (122), it has helical gear axle (124) to peg graft in mounting box (122) upper end one side, helical gear axle (124) and helical gear (125) meshing connection, the outer and transverse rotation motor (121) output shaft fixed connection of helical gear axle (124), transverse rotation motor (121) are installed on mounting box (122) right side, mounting box (122) upper end fixed mounting is at crossbeam device (7) right side lower extreme, be equipped with elasticity gear (128) in the middle of crossbeam device (7) both sides.

6. A non-woven fabric palletizing device as claimed in claim 5, characterized in that: the loose gear (128) further comprises a loose gear (1281), a sliding plate (1282), a bolt (1283) and a fixing plate (1284), the fixing plate (1284) is fixedly mounted at the upper ends of two sides of the beam device (7), a through hole is formed in the fixing plate (1284), the bolt (1283) is inserted in the through hole, the lower end of the bolt (1283) is connected with the upper end of the sliding plate (1282) in an inserting mode, an inserting shaft is arranged at the lower end of the sliding plate (1282), and the loose gear (1281) is connected to the inserting shaft in an inserting mode.

7. The non-woven fabric palletizing device according to claim 1, wherein: the longitudinal moving device (13) further comprises a longitudinal rotating motor (131), a second helical gear (132) and a second rack (133), the longitudinal rotating motor (131) is fixedly mounted at the rear end of the right side of the T-shaped plate (11), an output shaft at the lower end of the longitudinal rotating motor (131) penetrates through the T-shaped plate (11), the second helical gear (132) is fixedly connected to the end of the extending portion, the second helical gear (132) is meshed with the second rack (133) and connected with the upper end of the beam device (7), and the second rack (133) is mounted at the upper end of the beam device (7).

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