Packaging equipment of flexible anti-radiation lead blanket for nuclear power

Abstract

The invention discloses packaging equipment for a flexible anti-radiation lead blanket for nuclear power, relates to the technical field of lead blanket packaging, and aims to solve the problem that the edge part of a packaging bag is easy to tear due to stress concentration as the traditional packaging mode only depends on a single hot-pressing packaging bag. A machine cover is fixedly connected to the top of the base, a supporting frame is arranged in the machine cover, the bottom of the supporting frame is fixedly connected with the top of the base, a hydraulic cylinder is fixedly connected to the top of the supporting frame, and one end of the hydraulic cylinder penetrates through the supporting frame to the bottom of the supporting frame and is fixedly connected with a plurality of connecting rods. The other end of the connecting rod is fixedly connected with a downward pressing piece, a bearing piece is arranged in the machine cover, and hot pressing rings are fixedly connected to the top of the bearing piece and the bottom of the downward pressing piece. The packaging bag has the advantages that the stress at the edge of the packaging bag is dispersed, and the problem that the edge of the packaging bag is torn due to stress concentration is effectively avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lead blanket packaging, more particularly to a flexible anti-radiation lead blanket packaging equipment for nuclear power. BACKGROUND

[0002] The flexible anti-radiation lead blanket is a functional protective material specially applied in the field of nuclear power, which is mainly composed of lead and its alloy and other materials with good anti-radiation performance, and is compounded with a flexible base material through a special process.

[0003] In the nuclear power environment, the lead blanket is long-term exposed to complex working conditions. On the one hand, the radioactive environment itself may cause certain radiation damage to the lead blanket material, resulting in changes in the internal lead atomic structure and affecting the anti-radiation performance; on the other hand, there may be high temperature, high humidity, corrosive gases (such as sulfur-containing and chlorine-containing gases) and oil stains and other media in the nuclear power plant, which will accelerate the aging process of the lead blanket. Therefore, if not packaged, the anti-radiation performance of the lead blanket will gradually decrease over time, which cannot continuously meet the strict radiation protection requirements of the nuclear power plant, thereby causing hidden dangers to nuclear safety.

[0004] And the existing packaging equipment for lead blanket mostly adopts a single hot-pressing packaging bag process, the technical principle of which is to melt the packaging bag material (such as polyethylene, polypropylene and other thermoplastic plastics) through a heating device, and then wrap the lead blanket in the packaging bag through a pressing die to realize sealing by hot-melt adhesion. However, this packaging method only relies on a single hot-pressing packaging bag, so that the edge part of the packaging bag is easy to tear due to stress concentration, resulting in packaging failure. We propose a flexible anti-radiation lead blanket packaging equipment for nuclear power. SUMMARY

[0005] The present application aims to provide a flexible anti-radiation lead blanket packaging equipment for nuclear power, which aims to solve the problem that the traditional packaging method only relies on a single hot-pressing packaging bag, so that the edge part of the packaging bag is easy to tear due to stress concentration.

[0006] To solve the above technical problems, the present application provides the following technical scheme: a packaging equipment for flexible anti-radiation lead blanket for nuclear power, comprising a packaging bag, further comprising a base, the top of the base is fixedly connected with a machine cover, the inside of the machine cover is provided with a support frame, the bottom of the support frame is fixedly connected with the top of the base, the top of the support frame is fixedly connected with a hydraulic cylinder, one end of the hydraulic cylinder penetrates through the support frame to the bottom thereof and is fixedly connected with a plurality of connecting rods, the other end of the connecting rods is fixedly connected with a pressing piece, the inside of the machine cover is provided with a supporting piece, the top of the supporting piece and the bottom of the pressing piece are fixedly connected with a heat pressing ring, the inside of the heat pressing ring is hollow, and the inside of the heat pressing ring is fixedly connected with an electric heating wire, the top and the bottom of the packaging bag are respectively provided with a protruding buckle and a recessed buckle corresponding to each other, and the opposite side of the heat pressing ring is provided with a plurality of receiving grooves, and the inside end wall of the receiving groove is fixedly connected with a pushing column.

[0007] Preferably, the top inner wall of the pressing piece is fixedly connected with a guide pipe, the bottom of the guide pipe is rotatably connected with a linkage ring, the bottom of the linkage ring is provided with a push rod, the top of the push rod penetrates through the middle of the linkage ring to the inside of the guide pipe, the outer wall of the push rod is provided with a threaded groove, the inner wall of the linkage ring is fixedly connected with a ball head, the other side of the ball head is located in the threaded groove, the outer wall of the guide pipe is threadedly connected with an adjusting ring, the top of the linkage ring is fixedly connected with a plurality of insertion rods, the other end of the insertion rods penetrates through the adjusting ring, and the outer wall of the insertion rod is slidably connected with the inner wall of the penetrated part of the adjusting ring, the outer wall of the adjusting ring is hingedly connected with a plurality of adjusting plates through torsional springs, and the other end of the adjusting plate is provided with an adjusting piece.

[0008] Preferably, the bottom of the push rod is fixedly connected with a rubber material adhering head, the top inner wall of the guide pipe is fixedly connected with a cross plate, the top of the push rod is provided with a cross groove corresponding to the cross plate, and the other end of the cross plate is inserted into the cross groove.

[0009] Preferably, the top of the base is fixedly connected with a pair of guide rails, the guide rails are located in the inside of the machine cover, the top of the guide rail is slidably connected with a supporting plate, and the top of the supporting plate is fixedly connected with the bottom of the supporting piece.

[0010] Preferably, the end of the adjusting plate away from the adjusting ring is provided with a plate groove, the inner wall of the plate groove is hingedly connected with an adjusting rod through a torsional spring, and the end of the adjusting piece is rotatably connected with the outer wall of the adjusting rod.

[0011] Preferably, the outer wall of the adjusting piece away from the adjusting rod side gradually inclines outwardly to form a taper structure adhering part, and the adjusting piece is made of rubber material.

[0012] Preferably, the top of the base is fixedly connected with a motor, the main shaft end of the motor is fixedly connected with a threaded rod, the bottom of the supporting plate is fixedly connected with a sliding block, and the sliding block is in threaded connection with the threaded rod.

[0013] Preferably, the outside of the cross plate is sleeved with a spring, and the two ends of the spring are fixedly connected with the upper outer wall of the push rod and the top inner wall of the guide pipe respectively.

[0014] Compared with the prior art, the present application has the following beneficial effects: In the present application, the packaging bag, the base, the cover, the support frame, the hydraulic cylinder, the connecting rod, the down presser, the supporting piece, the heat pressing ring, the electric heating wire, the convex buckle, the concave buckle and the receiving groove are arranged, the receiving groove of the heat pressing ring is arranged with the resisting push column, the convex buckle and the concave buckle on the packaging bag are extruded by the resisting push column during heat pressing and packaging, the convex buckle and the concave buckle are connected and fixed, the edge of the packaging bag is mechanically reinforced, the traditional heat pressing is changed, the stress of the edge part is dispersed, and the problem that the edge of the packaging bag is torn due to stress concentration is effectively avoided.

[0015] In the present application, when the push rod is moved due to the obstruction of the packaging bag, the cooperating of the threaded groove and the ball head drives the linkage ring to rotate, the adjusting ring is rotated and moved downward, the adjusting plate and the adjusting piece are rotated and moved downward, the conical abutting part on the adjusting piece is in contact with the top of the packaging bag, the packaging bag is pushed and pulled during the rotating process, the excess air in the packaging bag is discharged as much as possible, the influence of the residual air on the packaging effect is avoided, and the wrinkle after packaging is prevented.

[0016] In the present application, when the down presser is moved downward, the abutting head at the bottom of the push rod is in contact with and extruded by the top of the packaging bag, the stability during heat pressing and packaging is increased, the abutting head made of rubber can prevent the packaging bag from being damaged, the cooperation of the cross plate and the cross groove can prevent the push rod from being twisted, the position of the packaging bag is stable during the whole packaging process, and the reliability of the lead blanket packaging is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the base in the present application; Figure 2 It is a structural schematic view of the packaging bag in the present application; Figure 3 It is a structural schematic view of the support frame in the present application; Figure 4 It is a structural schematic view of the supporting plate in the present application; Figure 5 It is a sectional view of the down presser in the present application; Figure 6 It is a sectional view of the guide pipe in the present application; Figure 7Figure 2 is a sectional view of the linkage ring in the present application.

[0018] Figure legend: 1, packaging bag; 2, base; 3, machine cover; 4, support frame; 5, hydraulic cylinder; 6, connecting rod; 7, down pressure; 8, supporting piece; 9, hot pressing ring; 10, electric heating wire; 11, convex buckle; 12, concave buckle; 13, storage groove; 14, push column; 15, guide pipe; 16, linkage ring; 17, push rod; 18, threaded groove; 19, ball head; 20, adjusting ring; 21, plug rod; 22, adjusting plate; 23, adjusting piece; 24, fitting head; 25, cross plate; 26, cross groove; 27, guide rail; 28, supporting plate; 29, plate groove; 30, adjusting rod; 31, fitting part; 32, motor; 33, threaded rod; 34, sliding block; 35, spring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. EMBODIMENT

[0020] As Figures 1-7 shown, a packaging device for flexible anti-radiation lead blanket for nuclear power, comprising a packaging bag 1, further comprising a base 2, the top of the base 2 is fixedly connected with a machine cover 3, the inside of the machine cover 3 is provided with a support frame 4, the bottom of the support frame 4 is fixedly connected with the top of the base 2, the top of the support frame 4 is fixedly connected with a hydraulic cylinder 5, one end of the hydraulic cylinder 5 passes through the support frame 4 to the bottom thereof and is fixedly connected with a plurality of connecting rods 6, the other end of the connecting rods 6 is fixedly connected with a down pressure 7, the inside of the machine cover 3 is provided with a supporting piece 8, the top of the supporting piece 8 and the bottom of the down pressure 7 are both fixedly connected with a hot pressing ring 9, the inside of the hot pressing ring 9 is hollow, and the inside of the hot pressing ring 9 is fixedly connected with an electric heating wire 10, the top and the bottom of the packaging bag 1 are respectively provided with a convex buckle 11 and a concave buckle 12 corresponding to each other, the opposite side of the hot pressing ring 9 is provided with a plurality of storage grooves 13, and the inside end wall of the storage groove 13 is fixedly connected with a push column 14.

[0021] Specifically, the lead blanket made of 0.5mm thick lead plate and other radiation shielding environment-friendly composite materials is put into the packaging bag 1, then the packaging bag 1 is put on the supporting piece 8 together with the lead blanket, and the convex buckle 11 and the concave buckle 12 on the packaging bag 1 are aligned with the receiving groove 13 on the lower side of the heat pressing ring 9, so that the push column 14 in the receiving groove 13 supports it, then the supporting piece 8 is moved below the pressing piece 7, so that the heat pressing rings 9 are aligned with each other, then the hydraulic cylinder 5 drives the connecting rod 6 to move downward, so that the connecting rod 6 drives the pressing piece 7 to move downward, so that the pressing piece 7 drives the upper heat pressing ring 9 to move and fit the lower heat pressing ring 9, and at this time the push column 14 in the receiving groove 13 will extrude the convex buckle 11 and the concave buckle 12, so that the convex buckle 11 and the concave buckle 12 are connected and fixed, thereby reinforcing the edge of the packaging bag 1, and the operation of the electric heating wire 10 in the heat pressing ring 9 heats the heat pressing ring 9, so that the heat pressing ring 9 heat presses the packaging bag 1 between them, thereby completing the reinforcement and packaging of the lead blanket.

[0022] Further, the top inner wall of the pressing piece 7 is fixedly connected with a guide pipe 15, the bottom of the guide pipe 15 is rotatably connected with a linkage ring 16, the bottom of the linkage ring 16 is provided with a push rod 17, the top of the push rod 17 penetrates through the middle part of the linkage ring 16 to the inside of the guide pipe 15, the outer wall of the push rod 17 is provided with a threaded groove 18, the inner wall of the linkage ring 16 is fixedly connected with a ball head 19, the other side of the ball head 19 is located in the threaded groove 18, the outer wall of the guide pipe 15 is threadedly connected with an adjusting ring 20, the top of the linkage ring 16 is fixedly connected with a plurality of insertion rods 21, the other ends of the insertion rods 21 all penetrate through the adjusting ring 20, and the outer wall of the insertion rod 21 is slidably connected with the inner wall of the penetrated part of the adjusting ring 20, the outer wall of the adjusting ring 20 is hingedly connected with a plurality of adjusting plates 22 through torsional springs, and the other ends of the adjusting plates 22 are all provided with adjusting pieces 23.

[0023] Specifically, when the lower pressing piece 7 moves downward, the guide pipe 15 moves downward, the push rod 17 moves downward through the linkage ring 16, the end of the push rod 17 contacts the top of the packaging bag 1, and the end of the push rod 17 extrudes the top of the packaging bag 1 as the lower pressing piece 7 continues to move downward, thereby increasing the stability of the heat-sealing packaging bag 1. The push rod 17 is blocked by the top of the packaging bag 1, and the other end of the push rod 17 moves towards the inside of the guide pipe 15. The threaded groove 18 on the outer wall of the push rod 17 pushes the ball head 19 during the movement of the push rod 17. The ball head 19 is fixedly connected to the inner wall of the linkage ring 16, and the linkage ring 16 is rotatably connected to the bottom of the guide pipe 15. Therefore, the ball head 19 rotates the linkage ring 16 at this time, and the linkage ring 16 rotates the insertion rod 21. The other end of the insertion rod 21 penetrates the adjusting ring 20, and the adjusting ring 20 is threadedly connected to the outer wall of the guide pipe 15. Therefore, when the adjusting ring 20 rotates, the adjusting ring 20 rotates and moves downward, thereby rotating and moving downward the adjusting plate 22 together with the adjusting ring 20. The bottom of the adjusting plate 22 is provided with an adjusting piece 23, which makes the adjusting piece 23 contact the top of the packaging bag 1 and start to rotate as the adjusting plate 22 moves downward. The adjusting plate 22 is hingedly connected to the adjusting ring 20 through a torsion spring. When the adjusting piece 23 contacts the top of the packaging bag 1 and is blocked, the adjusting plate 22 starts to extrude the torsion spring and starts to twist, thereby making the adjusting piece 23 rotate and move towards the edge of the packaging bag 1, and making the adjusting piece 23 push and pull the upper side of the packaging bag 1. In this way, the excess air in the packaging bag 1 can be discharged as much as possible, and the packaging bag 1 can be prevented from being wrinkled after heat-sealing, thereby affecting the effect of packaging the lead blanket.

[0024] Further, the bottom of the push rod 17 is fixedly connected with a rubber material fitting head 24, the top inner wall of the guide pipe 15 is fixedly connected with a cross plate 25, and the top of the push rod 17 is provided with a cross groove 26 corresponding to the cross plate 25. The other end of the cross plate 25 is inserted into the cross groove 26.

[0025] Specifically, the rubber material fitting head 24 is arranged to make the push rod 17 contact the top of the packaging bag 1 through the fitting head 24, thereby preventing the packaging bag 1 from being damaged by extrusion. The cross plate 25 is inserted into the cross groove 26 to limit the push rod 17, thereby preventing the push rod 17 from being twisted during movement and affecting the pulling and exhaust effect of the packaging bag 1.

[0026] Further, the top of the base 2 is fixedly connected with a pair of guide rails 27, the guide rails 27 are located in the inside of the cover 3, the top of the guide rails 27 is slidably connected with a supporting plate 28, and the top of the supporting plate 28 is fixedly connected with the bottom of the supporting piece 8.

[0027] Specifically, the supporting plate 28 is supported by the guide rail 27, so that the supporting plate 28 can move along the guide rail 27, and the top of the supporting plate 28 is fixedly connected with the bottom of the supporting part 8, so that the supporting part 8 can be moved in and out of the inside of the cover 3 by moving the supporting plate 28, thereby facilitating the taking out and placing of the packaging bag 1 containing the lead blanket.

[0028] Further, the adjusting plate 22 is provided with a plate groove 29 at the end away from the adjusting ring 20, and the inner wall of the plate groove 29 is hingedly connected with an adjusting rod 30 through a torsion spring.

[0029] Specifically, the plate groove 29 is provided at the end of the adjusting plate 22, and the adjusting rod 30 is hingedly connected in the plate groove 29 through a torsion spring, so that when the adjusting part 23 is in contact with the top of the packaging bag 1 and the contact angle between the adjusting part 23 and the packaging bag 1 changes, the adjusting rod 30 can drive the adjusting part 23 to always fit the top of the packaging bag 1 and rotate by itself under the torsion of the torsion spring, thereby increasing the traction and exhaust effect of the adjusting part 23 on the packaging bag 1.

[0030] Further, the outer wall of the adjusting part 23 away from the adjusting rod 30 gradually extends outward to form a conical structure of a fitting part 31, and the adjusting part 23 is made of rubber material.

[0031] Specifically, the conical fitting part 31 can always fit the top of the packaging bag 1 when the adjusting part 23 is twisted, thereby increasing the contact area of the adjusting part 23 when fitting and pulling the packaging bag 1, thereby increasing the traction and exhaust effect on the packaging bag 1, and the conical fitting part 31 can also guide the adjusting part 23 when the adjusting part 23 rotates, so that the adjusting part 23 guides the adjusting plate 22, and the adjusting plate 22 moves downward more smoothly.

[0032] Further, the top of the base 2 is fixedly connected with a motor 32, the main shaft end of the motor 32 is fixedly connected with a threaded rod 33, the bottom of the supporting plate 28 is fixedly connected with a sliding block 34, and the sliding block 34 is threadedly connected with the threaded rod 33.

[0033] Specifically, the threaded rod 33 is driven to rotate by the motor 32, so that the sliding block 34 fixedly connected with the bottom of the supporting plate 28 can move linearly when the threaded rod 33 rotates, thereby facilitating the direct movement of the supporting part 8 and saving time and effort.

[0034] Further, the cross plate 25 is sleeved with a spring 35, and the two ends of the spring 35 are fixedly connected with the upper outer wall of the push rod 17 and the top inner wall of the guide pipe 15, respectively.

[0035] Specific, by setting the spring 35, so that the push rod 17 in the guide tube 15 moves, will be extruded spring 35, and when the guide tube 15 up, the spring 35 will be under its own elastic push rod 17 reset, so that the adjustment plate 22 reset, so as to facilitate the next packaging bag 1 hot-pressing, no need for manual reset, save time and effort.

[0036] Working principle: the embodiment provides a kind of nuclear power use flexible radiation-lead blanket packaging equipment, will be processed into lead blanket by 0.5mm thick lead plate and other radiation shielding environmental protection composite material and loaded into packaging bag 1, then packaging bag 1 together with lead blanket is placed on the support piece 8, and make the convex buckle 11 and concave buckle 12 on the packaging bag 1 align with the receiving groove 13 on the lower hot-pressing ring 9, so that the push column 14 in the receiving groove 13 supports it, subsequently the support piece 8 is moved to the lower side of the lower pressing piece 7, so that hot-pressing ring 9 is mutually aligned, then by hydraulic cylinder 5 operation link 6 is driven to move down, so that link 6 drives lower pressing piece 7 to move down, so that lower pressing piece 7 drives the upper hot-pressing ring 9 to move to the lower hot-pressing ring 9 and adhere, and the push column 14 in the receiving groove 13 will be extruded to the convex buckle 11 and concave buckle 12 at this time, so that convex buckle 11 and concave buckle 12 are connected and fixed, to reinforce the edge of packaging bag 1, and the electric heating wire 10 in hot-pressing ring 9 operates to heat hot-pressing ring 9, so that hot-pressing ring 9 hot-presses packaging bag 1 between, to complete the reinforcement and packaging of lead blanket.

[0037] The embodiment of the present application discloses the preferred embodiment, but is not limited to this, the person skilled in the art, easily understand the spirit of the present application according to the above embodiment, and make different inferences and changes, but as long as not deviate from the spirit of the present application, all within the scope of the present application.

Claims

1. A packaging apparatus for flexible radiation shielding lead blankets for nuclear power, comprising a packaging bag (1), characterized in that, Also include the base (2), the top of the base (2) is fixedly connected with the machine cover (3), the inside of the machine cover (3) is provided with support frame (4), the bottom of the support frame (4) is fixedly connected with the top of the base (2), the top of the support frame (4) is fixedly connected with hydraulic cylinder (5), one end of the hydraulic cylinder (5) passes through the support frame (4) to its bottom and is fixedly connected with a plurality of connecting rods (6), the other end of the connecting rod (6) is fixedly connected with the lower pressure (7), the inside of the machine cover (3) is provided with the supporting piece (8), the top of the supporting piece (8) and the bottom of the lower pressure (7) are fixedly connected with the hot pressing ring (9), the inside of the hot pressing ring (9) is hollow, and the inside of the hot pressing ring (9) is fixedly connected with the electric heating wire (10), the top and bottom of the packaging bag (1) are provided with corresponding convex buckle (11) and concave buckle (12) respectively, the opposite side of the hot pressing ring (9) is provided with a plurality of receiving grooves (13), the inside end wall of the receiving groove (13) is fixedly connected with the push column (14).

2. The packaging apparatus for flexible radiation shielding lead blanket for nuclear power according to claim 1, wherein, The top inner wall of the lower pressure (7) is fixedly connected with the guide pipe (15), the bottom of the guide pipe (15) is rotatably connected with the linkage ring (16), the bottom of the linkage ring (16) is provided with the push rod (17), the top of the push rod (17) passes through the middle part of the linkage ring (16) to the inside of the guide pipe (15), the outer wall of the push rod (17) is provided with a threaded groove (18), the inner wall of the linkage ring (16) is fixedly connected with the ball head (19), the other side of the ball head (19) is located in the threaded groove (18), the outer wall of the guide pipe (15) is threadedly connected with the adjusting ring (20), the top of the linkage ring (16) is fixedly connected with a plurality of insertion rods (21), the other end of the insertion rod (21) penetrates the adjusting ring (20), and the outer wall of the insertion rod (21) is slidably connected with the inner wall of the penetration part of the adjusting ring (20), the outer wall of the adjusting ring (20) is hingedly connected with a plurality of adjusting plates (22) through torsional springs, the other end of the adjusting plate (22) is provided with an adjusting piece (23).

3. The packaging apparatus for flexible radiation shielding lead blankets for nuclear power applications of claim 2, wherein, The bottom of the push rod (17) is fixedly connected with the rubber material of the head (24), the top inner wall of the guide pipe (15) is fixedly connected with the cross plate (25), the top of the push rod (17) is provided with a cross groove (26) corresponding to the cross plate (25), the other end of the cross plate (25) is inserted into the cross groove (26).

4. The packaging apparatus for flexible radiation shielding lead blanket for nuclear power plants as claimed in claim 1 wherein, The top of the base (2) is fixedly connected with a pair of guide rails (27), the guide rail (27) is located in the inside of the machine cover (3), the top of the guide rail (27) is slidably connected with the supporting plate (28), the top of the supporting plate (28) is fixedly connected with the bottom of the supporting piece (8).

5. The packaging apparatus for flexible radiation shielding lead blanket for nuclear power according to claim 2, wherein, The adjusting plate (22) is provided with a plate groove (29) at one end away from the adjusting ring (20), the inner wall of the plate groove (29) is hinged with an adjusting rod (30) through a torsion spring, and the end of the adjusting part (23) is rotationally connected with the outer wall of the adjusting rod (30).

6. The packaging apparatus for flexible radiation shielding lead blankets for nuclear power applications of claim 5, wherein, The adjusting part (23) gradually extends outwardly and inclines away from the outer wall of one side of the adjusting rod (30) to form a tapered structure of a fitting part (31), and the adjusting part (23) is made of rubber material.

7. The packaging apparatus for flexible radiation shielding lead blanket for nuclear power according to claim 4, wherein, The top of the base (2) is fixedly connected with a motor (32), the main shaft end of the motor (32) is fixedly connected with a threaded rod (33), the bottom of the supporting plate (28) is fixedly connected with a sliding block (34), and the sliding block (34) is threadedly connected with the threaded rod (33).

8. The packaging apparatus for flexible radiation shielding lead blanket for nuclear power according to claim 3, wherein, The cross plate (25) is externally sleeved with a spring (35), and the two ends of the spring (35) are fixedly connected with the upper outer wall of the push rod (17) and the top inner wall of the guide pipe (15), respectively.

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