CN213259754U - Numerical control sponge cutting machine - Google Patents

Abstract

The application relates to the field of sponge processing, in particular to a numerical control sponge cutting machine which comprises a frame, a horizontal guide rail, a base, a workbench and a portal frame, perpendicular draw gear, cutting device and numerical control device, horizontal guide rail, the portal frame all sets up in the frame, the base sets up in horizontal guide rail, the workstation bottom rotates to be connected in the base top, the workstation is located between two stands of portal frame, perpendicular draw gear and cutting device all set up in two stands of portal frame, perpendicular draw gear is connected with cutting device, numerical control device is used for controlling horizontal guide rail, the function of perpendicular draw gear and cutting device, the portal frame top is provided with and carries and draws the subassembly, carry and draw the crossbeam that the subassembly wore the portal frame, it is connected with the clamping component who is used for the centre gripping sponge to carry the subassembly bottom, clamping component is located the workstation top, between two stands of portal frame. This application has the effect that improves the degree of accuracy of cutting.

Description

Numerical control sponge cutting machine

Technical Field

The application relates to the field of sponge processing, in particular to a numerical control sponge cutting machine.

Background

Currently, the sponge is also called polyurethane soft foam plastic, and is often used as a filler for furniture such as sofas and the like. Different furniture shapes are different, so a processing plant often needs to cut bought large sponge blocks into shapes matched with the furniture. The machines used for cutting the sponge at present mainly comprise a manual copying cutting machine and a numerical control sponge cutting machine.

The traditional numerical control sponge cutting machine is named as a numerical control sponge cutting machine like Chinese patent publication No. CN201049480, and comprises a workbench base, a rotary workbench, a vibrating device, a vertical traction device, a gantry, a control part, a horizontal guide rail and a frame, wherein the workbench base is arranged on the horizontal guide rail and can horizontally move along the horizontal guide rail; the working base is provided with a rotary worktable which can be lifted and rotated; the gantry is connected with the frame, the frame is provided with a horizontal guide rail, the gantry is provided with two vertical traction devices which are respectively used for drawing the vibration devices to move up and down respectively, and the two vibration devices are respectively arranged on two upright posts of the gantry; the control part of the numerical control system is adopted to respectively control the horizontal movement of the base of the workbench, the rotation and the lifting of the rotary workbench, the up-and-down movement of the vibration device and the coordination of all parts.

To the correlation technique among the above-mentioned, the inventor thinks when cutting the sponge, the cutting knife at horizontal direction round trip movement, cut the sponge, the sponge can be along with the removal emergence displacement of cutting knife, leads to the cutting position inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to improve the degree of accuracy of cutting, this application provides a numerical control sponge cutting machine.

The application provides a numerical control sponge cutting machine adopts following technical scheme:

the utility model provides a numerical control sponge cutting machine, includes frame, horizontal guide, base, workstation, portal frame, perpendicular draw gear, cutting device and numerical control device, horizontal guide, portal frame all set up in the frame, the base sets up in horizontal guide, the workstation bottom rotates to be connected in the base top, the workstation is located between two stands of portal frame, perpendicular draw gear and cutting device all set up in two stands of portal frame, perpendicular draw gear is connected with cutting device, numerical control device is used for controlling horizontal guide, perpendicular draw gear and cutting device's function, its characterized in that: the device comprises a portal frame, and is characterized in that a lifting component is arranged at the top of the portal frame and penetrates through a cross beam of the portal frame, a clamping component for clamping sponge is connected to the bottom of the lifting component, and the clamping component is positioned above a workbench and between two stand columns of the portal frame.

By adopting the technical scheme, in an initial state, a gap for sponge to pass through exists between the bottom of the clamping assembly and the top of the workbench; when the sponge moves to a cutting point along with the workbench, the position of the clamping assembly in the vertical direction is changed by adjusting the lifting assembly, the clamping assembly moves downwards, the clamping assembly is in a moving state at the moment, the clamping assembly stops the sponge from continuing to move forwards, and the clamping assembly is adjusted to clamp the sponge; after the sponge is cut, adjusting the lifting assembly to enable the clamping assembly to move upwards until a space exists between the bottom of the clamping assembly and the top of the sponge, recovering to an initial state, and enabling the sponge to leave the clamping assembly; through the mode that utilizes clamping assembly centre gripping sponge, reduce the number of times and the range that the sponge removed when the cutting to this accuracy that improves the cutting.

Optionally, the lifting assembly comprises a rotating shaft, a winding wheel, a pull rope and two supporting plates, the bottom of each supporting plate is fixedly connected to the top of the portal frame, two ends of the rotating shaft are respectively and rotatably connected to the two supporting plates, the winding wheel is fixedly connected to the outer wall of the rotating shaft, one end of the pull rope is fixedly connected to the winding wheel, the other end of the pull rope penetrates through the portal frame and is connected with the clamping assembly, the outer wall of the winding wheel is sleeved with the pull rope, and a locking part for locking the rotating shaft is arranged at the top of the portal frame.

Through adopting above-mentioned technical scheme, rotate the pivot, the stay cord length on the rolling wheel changes thereupon to change clamping assembly in the position of vertical direction, after moving suitable position, utilize the motion of locking piece stop spindle.

Optionally, the clamping component includes diaphragm, threaded rod, two risers and two limiting plates, the one end fixed connection of stay cord is in the intermediate position at diaphragm top, the length direction of diaphragm is unanimous with the moving direction of base, riser top fixed connection is in the diaphragm bottom, the both ends of threaded rod rotate respectively to be connected in two risers, horizontally be provided with two sections opposite screw threads on the threaded rod, one section screw thread corresponds one the limiting plate is used for pressing from both sides tight sponge the limiting plate cover is established and threaded connection is in the screw thread section that the threaded rod corresponds, cutting device's cutting knife is located between two limiting plates, limiting plate top sliding connection is in the diaphragm bottom.

By adopting the technical scheme, the worker rotates the threaded rod to adjust the positions of the two limiting plates according to actual requirements, so that the opposite side surfaces of the two limiting plates tightly support the sponge from two sides; after the cutting is completed, the threaded rod is rotated, the limiting plates are kept away from each other, the pull rope is adjusted, the initial state is recovered, and the sponge leaves the clamping assembly.

Optionally, one of them riser side fixedly connected with is used for rotating the first driving piece of threaded rod, another riser side fixedly connected with is used for balanced balancing weight.

Through adopting above-mentioned technical scheme, the balancing weight is used for balancing the weight on both sides, reduces the diaphragm and takes place towards the condition of one side slope.

Optionally, the locking piece includes a connecting plate and an insertion rod, the bottom of the connecting plate is fixedly connected to the top of the gantry, the horizontal insertion rod is inserted into the connecting plate, one end of the rotating shaft penetrates through the supporting plate, a plurality of slots are formed in the end portion of the rotating shaft, and the end portion of the insertion rod is inserted into the corresponding slot.

By adopting the technical scheme, in the initial state, the end part of the inserted rod is inserted into the corresponding slot, and the rotating shaft is static at the moment; under the clamping state, the end part of the inserted bar moves towards the direction far away from the bottom of the slot by sliding the inserted bar, the inserted bar is separated from the slot, and the rotating shaft can be rotated at the moment.

Optionally, the side of the connecting plate is fixedly connected with an elastic rope, and one end of the elastic rope is fixedly connected with the inserted bar.

Through adopting above-mentioned technical scheme, the reducible inserted bar of setting up of stretch cord breaks away from the condition of connecting plate and takes place.

Optionally, a second driving piece for rotating the rotating shaft is fixedly connected to the top of the gantry.

Through adopting above-mentioned technical scheme, set up the staff of being convenient for of second driving piece and rotate the pivot.

Optionally, the bottom of the portal frame is fixedly connected with two telescopic parts, the telescopic parts are symmetrically arranged at the bottom of the portal frame by taking the joint of the pull rope and the transverse plate as a symmetric center, and the bottoms of the telescopic parts are fixedly connected to the top of the transverse plate.

Through adopting above-mentioned technical scheme, the stay cord takes place to rock easily when the motion, reduces the diaphragm through increasing two extensible members and rocks and the condition emergence of rocking along with the stay cord, makes the diaphragm more stable in vertical direction's removal.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in an initial state, a distance for passing the sponge exists between the bottom of the clamping assembly and the top of the workbench; when the sponge moves to a cutting point along with the workbench, the position of the clamping assembly in the vertical direction is changed by adjusting the lifting assembly, the clamping assembly moves downwards, the clamping assembly is in a moving state at the moment, the clamping assembly stops the sponge from continuing to move forwards, and the clamping assembly is adjusted to clamp the sponge; after the sponge is cut, adjusting the lifting assembly to enable the clamping assembly to move upwards until a space exists between the bottom of the clamping assembly and the top of the sponge, recovering to an initial state, and enabling the sponge to leave the clamping assembly; through the mode that utilizes clamping assembly centre gripping sponge, reduce the number of times and the range that the sponge removed when the cutting to this accuracy that improves the cutting.

Drawings

Fig. 1 is a schematic structural diagram of a numerical control sponge cutting machine according to an embodiment of the present application.

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

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

FIG. 4 is a cross-sectional view of a clamping assembly of a numerically controlled sponge cutting machine according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 11. a horizontal guide rail; 12. a base; 13. a work table; 14. a gantry; 141. a column; 142. a cross beam; 15. a vertical pulling device; 16. a cutting device; 161. a cutting knife; 17. a numerical control device; 2. a pull-up assembly; 21. a rotating shaft; 211. a slot; 22. a winding wheel; 23. pulling a rope; 24. a support plate; 3. a clamping assembly; 31. a transverse plate; 311. a limiting groove; 32. a threaded rod; 33. a vertical plate; 34. a limiting plate; 341. a limiting block; 4. a locking stop; 41. a connecting plate; 42. inserting a rod; 43. a disc; 44. an elastic cord; 5. a first motor; 51. a balancing weight; 6. a second motor; 7. a telescoping member; 71. a first sleeve; 72. a second sleeve; 73. a third sleeve.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses numerical control sponge cutting machine. Referring to fig. 1, the numerical control sponge cutting machine includes a frame 1, a horizontal guide rail 11, a base 12, a worktable 13, a gantry 14, a vertical traction device 15, a cutting device 16 and a numerical control device 17. The horizontal guide rail 11 is arranged on the rack 1, the base 12 is arranged on the horizontal guide rail 11, the bottom of the workbench 13 is rotatably connected to the top of the base 12, the portal frame 14 is arranged on the rack 1, the vertical traction device 15 and the cutting device 16 are both arranged on the portal frame 14, the vertical traction device 15 is connected with the cutting device 16, the cutting device 16 is used for cutting sponges, and the numerical control device 17 is used for controlling the operation of the horizontal guide rail 11, the vertical traction device 15 and the cutting device 16. The top of the portal frame 14 is provided with a lifting component 2, the lifting component 2 penetrates through the portal frame 14, the bottom of the lifting component 2 is connected with a clamping component 3, and the clamping component 3 is used for clamping sponges from two sides.

Referring to fig. 1, the gantry 14 includes a beam 142 and two columns 141, the two columns 141 are disposed opposite to each other, the bottoms of the columns 141 are fixedly connected to the top of the frame 1, two ends of the beam 142 are respectively fixedly connected to the tops of opposite sides of the two columns 141, and the vertical traction device 15 and the cutting device 16 are both disposed on the columns 141. The cutting device 16 comprises a cutting knife 161, the cutting knife 161 is horizontally arranged, two ends of the cutting knife 161 are respectively arranged on two upright posts 141, and the length direction of the cutting knife 161 is consistent with that of the beam 142. The pulling assembly 2 is connected to the top of the cross beam 142, and the clamping assembly 3 is located below the cross beam 142, above the workbench 13 and between the two upright posts 141.

Referring to fig. 2 and 3, the lifting assembly 2 comprises a rotating shaft 21, a winding wheel 22, a pulling rope 23 and two supporting plates 24, the two supporting plates 24 are arranged oppositely, the bottoms of the supporting plates 24 are fixedly connected to the top of the cross beam 142, the rotating shaft 21 is arranged horizontally, two ends of the rotating shaft 21 are respectively connected to the side faces of the two supporting plates 24 in a rotating mode, and the winding wheel 22 is sleeved on and fixedly connected to the outer wall of the rotating shaft 21. The through-hole has been seted up at crossbeam 142 top, and the one end fixed connection of stay cord 23 is in rolling wheel 22, and the through-hole is worn to establish by the other end of stay cord 23, is connected with clamping assembly 3 top, and rolling wheel 22 outer wall is established to stay cord 23 cover. The top of the beam 142 is connected with a locking piece 4, and the locking piece 4 is connected with the rotating shaft 21.

Referring to fig. 1 and 2, in an initial state, a gap for passing the sponge exists between the bottom of the clamping assembly 3 and the top of the workbench 13; when the sponge moves to a cutting point along with the workbench 13, the rotating shaft 21 is rotated, the winding wheel 22 rotates along with the rotating shaft, the length of the pull rope 23 in the vertical direction is changed along with the rotating shaft, so that the position of the clamping assembly 3 in the vertical direction is changed, the clamping assembly 3 moves downwards, and at the moment, the clamping assembly 3 is in a moving state, and the sponge is prevented from continuing to advance and is clamped from two sides; when the sponge is cut, the rotating shaft 21 is rotated again, the clamping component 3 moves upwards until a space exists between the bottom of the clamping component and the top of the sponge, the clamping component returns to the initial state, and the sponge leaves the clamping component 3.

Referring to fig. 1 and 3, the clamping assembly 3 includes a transverse plate 31, a threaded rod 32, two vertical plates 33 and two limit plates 34, one end of the pull rope 23 is fixedly connected to the middle position of the top of the transverse plate 31, and the length direction of the transverse plate 31 is perpendicular to the length direction of the cross beam 142; the two vertical plates 33 are oppositely arranged, and the tops of the vertical plates 33 are fixedly connected to the bottom of the transverse plate 31; the threaded rod 32 is horizontally arranged, two ends of the threaded rod 32 are respectively connected to the opposite side surfaces of the two vertical plates 33 in a rotating mode, and the length direction of the threaded rod 32 is consistent with that of the transverse plate 31. The threaded rod 32 is provided with two sections of opposite threads, the two sections of threads are symmetrically arranged on the threaded rod 32, one section of thread corresponds to one limiting plate 34, the limiting plate 34 is sleeved and in threaded connection with the threaded rod 32, the limiting plate 34 is located on the corresponding thread section, and the top of the limiting plate 34 is in sliding connection with the bottom of the transverse plate 31. The cutting knife 161 is positioned between the two limit plates 34. By turning the threaded rod 32, the two limit plates 34 move closer to or away from each other at the same time.

Referring to fig. 4, the bottom of the transverse plate 31 is provided with a limiting groove 311, the top of the limiting plate 34 is fixedly connected with a limiting block 341, and the limiting block 341 is slidably connected in the limiting groove 311. The limiting groove 311 and the limiting block 341 are provided to reduce the possibility that the limiting plate 34 is turned over as the threaded rod 32 rotates.

Referring to fig. 3, in an initial state, a distance exists between the bottom of the limiting plate 34, the bottom of the vertical plate 33 and the top of the sponge; when the sponge moves to a cutting point, the position of the pull rope 23 is adjusted, the sponge enters a motion state, the clamping assembly 3 integrally moves downwards, the sponge is positioned between the two limiting plates 34, and a space is reserved between the top of the sponge and the bottom of the threaded rod 32; the worker rotates the threaded rod 32 to adjust the positions of the two limit plates 34 according to actual requirements, so that the opposite side surfaces of the two limit plates 34 tightly support the sponge from two sides; after the cutting is finished, the threaded rod 32 is rotated, the limiting plates 34 are far away from each other, the pull rope 23 is adjusted, the initial state is recovered, and the sponge leaves the clamping assembly 3.

Referring to fig. 3, in order to facilitate the adjustment of the positions of the two limiting plates 34 by the worker, a first driving member is fixedly connected to a side surface of one vertical plate 33 away from the other vertical plate 33, in this embodiment, the first driving member is a first motor 5, and an output shaft of the first motor 5 is connected to one end of the threaded rod 32 through a coupling. The lateral surface of the vertical plate 33 far away from the first motor 5 is fixedly connected with a balancing weight 51, and the balancing weight 51 is used for balancing the weight of two sides and reducing the inclination of the horizontal plate 31 to one side.

Referring to fig. 2, the locking member 4 includes a connecting plate 41 and an inserting rod 42, the bottom of the connecting plate 41 is fixedly connected to the top of the cross beam 142, the inserting rod 42 is inserted and slidably connected to the side of the connecting plate 41, and the inserting rod 42 is horizontally disposed. One end of the rotating shaft 21 penetrates through the supporting plate 24, a plurality of slots 211 are formed in the end portion of the rotating shaft 21, the slots 211 are circumferentially distributed along the circle center of the rotating shaft 21, and the end portion of the inserting rod 42 is inserted into the corresponding slot 211. In the initial state, the end of the insertion rod 42 is inserted into the corresponding slot 211, and the rotating shaft 21 is stationary; in the moving state, the sliding of the insertion rod 42 moves the end of the insertion rod 42 away from the bottom of the slot 211, and the insertion rod 42 is separated from the slot 211, so that the rotation shaft 21 can be rotated.

Referring to fig. 2, a disc 43 is fixedly connected to an end of the insertion rod 42 away from the rotating shaft 21, an elastic cord 44 is fixedly connected to a side of the connecting plate 41, and one end of the elastic cord 44 is fixedly connected to the disc 43. The arrangement of the disc 43 increases the contact area between the staff and the inserted rod 42, so that the staff can move the inserted rod 42 conveniently; the elastic cord 44 can reduce the possibility of the inserted link 42 being detached from the connecting plate 41.

Referring to fig. 2, in order to facilitate the worker to rotate the rotating shaft 21, a second driving member is fixedly connected to the top of the cross beam 142, in this embodiment, the second driving member is a second motor 6, and an output shaft of the second motor 6 is connected to one end of the rotating shaft 21, which is far away from the connecting plate 41, through a coupling.

Referring to fig. 3, in order to further stabilize the movement of the transverse plate 31 in the vertical direction, two telescopic members 7 are fixedly connected to the bottom of the transverse beam 142, the telescopic members 7 are symmetrically arranged at the bottom of the transverse beam 142 with the connection position of the pulling rope 23 and the transverse plate 31 as a symmetry center, and the bottom of the telescopic member 7 is fixedly connected to the top of the transverse plate 31.

Referring to fig. 3, the telescopic member 7 includes a first sleeve 71, a second sleeve 72 and a third sleeve 73, wherein the top of the first sleeve 71 is fixedly connected to the bottom of the cross beam 142, the top of the second sleeve 72 is slidably connected to the first sleeve 71, the top of the third sleeve 73 is slidably connected to the second sleeve 72, and the bottom of the third sleeve 73 is fixedly connected to the top of the cross plate 31. The second sleeve 72 and the third sleeve 73 change their positions within the first sleeve 71 or the second sleeve 72 as the length of the pull cord 23 changes. The pulling rope 23 is easy to shake during movement, and the transverse plate 31 is reduced to shake along with the pulling rope 23 by adding the two telescopic pieces 7, so that the transverse plate 31 is more stable to move in the vertical direction.

The implementation principle of a numerical control sponge cutting machine of the embodiment of the application is as follows: in an initial state, spaces exist between the top of the sponge and the bottoms of the limiting plates 34 and the bottoms of the vertical plates 33, when the sponge moves to a cutting point, the sponge is in a motion state at the moment, the position of the transverse plate 31 is changed by changing the length of the pull rope 23 in the vertical direction, the threaded rod 32 is rotated, the two limiting plates 34 approach to each other, when the opposite side surfaces of the two limiting plates 34 tightly abut against the sponge from two sides, the rotation of the threaded rod 32 is stopped, and the sponge is cut by the cutting knife 161; the number of times and the amplitude that the sponge removed when cutting are reduced in the mode of tightly supporting the sponge from both sides through two limiting plates 34 to this degree of accuracy that improves the cutting.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A numerical control sponge cutting machine comprises a rack (1), a horizontal guide rail (11), a base (12), a workbench (13), a portal frame (14), a vertical traction device (15), a cutting device (16) and a numerical control device (17), wherein the horizontal guide rail (11) and the portal frame (14) are arranged on the rack (1), the base (12) is arranged on the horizontal guide rail (11), the bottom of the workbench (13) is rotatably connected to the top of the base (12), the workbench (13) is positioned between two upright posts (141) of the portal frame (14), the vertical traction device (15) and the cutting device (16) are arranged on the two upright posts (141) of the portal frame (14), the vertical traction device (15) is connected with the cutting device (16), and the numerical control device (17) is used for controlling the operation of the horizontal guide rail (11), the vertical traction device (15) and the cutting device (16), the method is characterized in that: the device is characterized in that a lifting component (2) is arranged at the top of the portal frame (14), the lifting component (2) penetrates through a cross beam (142) of the portal frame (14), a clamping component (3) used for clamping sponge is connected to the bottom of the lifting component (2), and the clamping component (3) is located above the workbench (13) and between two upright posts (141) of the portal frame (14).

2. The numerical control sponge cutting machine according to claim 1, characterized in that: carry and draw subassembly (2) including pivot (21), rolling wheel (22), stay cord (23) and two backup pads (24), backup pad (24) bottom fixed connection is in portal frame (14) top, the both ends of pivot (21) are rotated respectively and are connected in two backup pads (24), rolling wheel (22) fixed connection is in pivot (21) outer wall, the one end fixed connection of stay cord (23) is in rolling wheel (22), portal frame (14) are worn to establish by the other end of stay cord (23) and are connected with clamping component (3), rolling wheel (22) outer wall is established to stay cord (23) cover, portal frame (14) top is provided with and is used for locking the locking piece (4) that stop pivot (21).

3. The numerical control sponge cutting machine according to claim 2, characterized in that: the clamping component (3) comprises a transverse plate (31), a threaded rod (32), two vertical plates (33) and two limiting plates (34), one end of the pull rope (23) is fixedly connected with the middle position of the top of the transverse plate (31), the length direction of the transverse plate (31) is consistent with the moving direction of the base (12), the top of the vertical plate (33) is fixedly connected with the bottom of the transverse plate (31), two ends of the threaded rod (32) are respectively and rotatably connected with two vertical plates (33), two sections of opposite threads are arranged on the horizontal threaded rod (32), one section of thread corresponds to one limiting plate (34), the limiting plate (34) for clamping the sponge is sleeved and connected with the corresponding thread section of the thread rod (32) in a threaded manner, the cutting knife (161) of the cutting device (16) is positioned between the two limiting plates (34), and the tops of the limiting plates (34) are connected to the bottom of the transverse plate (31) in a sliding mode.

4. The numerically controlled sponge cutting machine according to claim 3, wherein: wherein one riser (33) side fixedly connected with is used for rotating the first driving piece of threaded rod (32), another riser (33) side fixedly connected with is used for balanced balancing weight (51).

5. The numerical control sponge cutting machine according to claim 2, characterized in that: locking piece (4) are including connecting plate (41) and inserted bar (42), connecting plate (41) bottom fixed connection is in portal frame (14) top, and is horizontal inserted bar (42) are inserted and are located connecting plate (41), backup pad (24) are worn to establish by one of them end of pivot (21), a plurality of slot (211) have been seted up to the tip that pivot (21) were worn out, the tip of inserted bar (42) is inserted and is located corresponding slot (211).

6. The digitally controlled sponge cutting machine according to claim 5, wherein: the side edge of the connecting plate (41) is fixedly connected with an elastic rope (44), and one end of the elastic rope (44) is fixedly connected with the inserted bar (42).

7. The numerical control sponge cutting machine according to claim 2, characterized in that: and the top of the portal frame (14) is fixedly connected with a second driving piece for rotating the rotating shaft (21).

8. The numerically controlled sponge cutting machine according to claim 3, wherein: two telescopic parts (7) are fixedly connected to the bottom of the portal frame (14), the telescopic parts (7) are symmetrically arranged at the bottom of the portal frame (14) by taking the connection part of the pull rope (23) and the transverse plate (31) as a symmetry center, and the bottoms of the telescopic parts (7) are fixedly connected to the top of the transverse plate (31).

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