CN220946747U - Cotton cut end closing device of electrically conductive bubble - Google Patents

Abstract

The application relates to the technical field of conductive foam production and manufacturing equipment, in particular to a conductive foam cutting end sealing device which comprises a bottom plate, wherein a partition plate is arranged on the bottom plate, a pressing mechanism is arranged on the partition plate, a conveying device is arranged on the bottom plate, a jig is arranged on the conveying device, an auxiliary pressing device is arranged on the jig, and heat sealing mechanisms are arranged on two sides of the jig and close to the conveying device. The application has the effect of improving the high efficiency of the conductive foam cutting end sealing device in the production and manufacturing process.

Description

Cotton cut end closing device of electrically conductive bubble

Technical Field

The application relates to the technical field of production and manufacturing equipment of conductive foam, in particular to a cutting end sealing device of conductive foam.

Background

The conductive foam is a conductive electronic shielding material, the main material of the conductive foam is polyethylene or modified polyethylene, conductive filler and antistatic agent, the conductive foam is formed by extrusion molding, radiation crosslinking and high-temperature foaming, and then the conductive foam is coated on the periphery of the sponge to obtain the adhesive tape with shielding performance and conductivity.

The conductive foam is widely applied, and a mature technology is needed for manufacturing the conductive foam. In the existing conductive foam manufacturing and packaging technology, after the conductive foam is cut by production equipment, foam leaks from two ends, the conductive foam needs to be wrapped by conductive hot-melt cloth, and the conductive hot-melt cloth wrapped on the surface of the conductive foam needs to be heated and attached to the cut ends of the conductive foam. When most production equipment is subjected to thermal bonding, the conductive hot-melt cloth is pressed and positioned at one end of the conductive foam, and the conductive foam is thermally bonded with the hot-melt cloth through machinery; after one end processing is completed, the other end hot-melt cloth is pressed and positioned on the conductive foam by manpower, and the conductive foam is thermally bonded by machinery, so that the production process adopts a large manpower, and the conductive foam cutting end hot-melt cloth cannot be thermally bonded at the same time, so that the efficiency of the processing process is low.

Disclosure of utility model

In order to improve the high efficiency of the conductive foam cut end sealing device in the production and manufacturing process, the application provides the conductive foam cut end sealing device.

The application provides a conductive foam cutting end sealing device, which adopts the following technical scheme:

The utility model provides a cotton cut end closing device of conductive bubble, includes the bottom plate, install hold-down mechanism on the bottom plate, set up conveyer on the bottom plate, hold-down mechanism is located conveyer top, install the tool on the conveyer, be close to the conveyer both sides install heat seal mechanism on the bottom plate.

Through adopting above-mentioned technical scheme, with electrically conductive bubble cotton and electrically conductive hot melt cloth put into behind the tool, transport to the processing position by conveyer is quick steady, hold-down mechanism to electrically conductive bubble cotton and electrically conductive hot melt cloth location compress tightly, prevent to lead the hot melt cloth and produce slip and skew when processing, carry out the hot laminating processing of electrically conductive hot melt cloth simultaneously by hold-down mechanism to electrically conductive bubble cotton both ends after the location is accomplished, be favorable to promoting electrically conductive bubble cotton cut end closing device and produce the high efficiency of manufacturing.

In a specific implementation manner, the pressing mechanism comprises a partition plate, the partition plate is arranged on the bottom plate, a cushion block is arranged on the partition plate, a fifth air cylinder is arranged on the cushion block, an output shaft of the fifth air cylinder is fixedly connected with a fifth connecting plate, a third carrier plate is arranged at the bottom end of the fifth connecting plate, and a third pressing block is arranged on the third carrier plate.

Through adopting above-mentioned technical scheme, use the fifth cylinder to connect the fifth connecting plate, the support plate is connected to the fifth connecting plate increase and is connected area of contact, can produce more stable connection effect, connects the third briquetting through the support plate, can make the briquetting reach the pressfitting position fast steady and evenly compress tightly conductive foam and conductive hot melt cloth, can effectively promote the high efficiency of production and manufacturing.

In a specific embodiment, the heat sealing mechanism comprises a first sealing device and a second sealing device, which are mounted on the base plate and distributed on both sides of the conveyor.

Through adopting above-mentioned technical scheme, heat-seal mechanism includes first pressure device and second pressure device that seals, when conducting the heat laminating to electrically conductive bubble cotton and conducting electric heat melting cloth, first pressure device and second pressure device simultaneous working that seals, the laminating is pressed down to electrically conductive bubble cotton tip simultaneously at both ends, can promote production efficiency.

In a specific implementation manner, the first sealing and pressing device is provided with a first air cylinder, the first air cylinder is installed on the bottom plate, an output shaft of the first air cylinder is fixedly connected with a first connecting plate, a first carrier plate is installed on the first connecting plate, a first loading block is installed on the first carrier plate, a second air cylinder is installed on a side wall, close to one side of the conveying device, of the first loading block, the output shaft of the second air cylinder is fixedly connected with a second connecting plate, and a first hot pressing block is installed on the connecting plate.

Through adopting above-mentioned technical scheme, first cylinder output shaft connection board, by first connecting plate connection first support plate increase connection area, it is more firm to make the first hot briquetting of installation on the first support plate, and the pressure that produces when the quick steady pushing down of first hot briquetting of first cylinder control simultaneously is balanced.

In a specific implementation manner, a first circular through hole is formed in the first thermal pressing block, and a heating rod is installed in the first circular through hole.

Through adopting above-mentioned technical scheme, the setting of first circular through-hole makes first hot briquetting balanced being heated, can reach the regulation temperature that work needs fast.

In a specific implementation manner, the second sealing and pressing device is provided with a third cylinder, the third cylinder is installed on the bottom plate, an output shaft of the third cylinder is fixedly connected with a third connecting plate, a second carrier plate is installed on the third connecting plate, a second loading block is installed on the second carrier plate, a fourth cylinder is installed on a side wall, close to one side of the conveying device, of the second loading block, the output shaft of the fourth cylinder is fixedly connected with a fourth connecting plate, and a second hot pressing block is installed on the fourth connecting plate.

Through adopting above-mentioned technical scheme, second cylinder output shaft connects second connecting plate, is connected the second support plate by the second connecting plate and increases and connect area of contact, makes the second hot briquetting of installation more firm on the second support plate, and the pressure that produces when the quick steady pushing down of second hot briquetting of second cylinder control simultaneously is balanced.

In a specific implementation manner, a first round through hole for placing the heating component is formed in the first thermal pressing block; the second hot pressing block is provided with a second round through hole, and a heating rod is arranged in the second round through hole.

Through adopting above-mentioned technical scheme, the setting of the circular through-hole of second makes the balanced heating of second hot briquetting, can reach the regulation temperature that work needs fast.

In a specific embodiment, the conveying device comprises a first sliding rail, wherein the first sliding rail is installed on the bottom plate, and a first sliding block is slidably installed on the first sliding rail; install the second slide rail on the bottom plate, slidable mounting second slider on the second slide rail, first slider with install the slide on the second slider, install the sixth cylinder on the bottom plate, the output shaft of sixth cylinder with slide fixed connection, install the tool on the slide.

Through adopting above-mentioned technical scheme, set up first slide rail and second slide rail, two slide rails bear the tool jointly, make the tool more steady in the motion process, can prevent that the tool from appearing rocking the condition in the motion process.

In a specific implementation, the auxiliary pressing device comprises a screw rod, one end of the screw rod is rotationally connected with a push block, the push block is installed in the jig, two sides of the push block are connected with a first push rod and a second push rod, the first push rod and the second push rod are slidably installed in the jig, the first push rod is far away from one end of the push block and is connected with a first top plate, the first top plate is slidably installed on the jig, the second push rod is far away from one end of the push block and is connected with a second top plate, and the second top plate is slidably installed on the jig.

Through adopting above-mentioned technical scheme, assist pressure device quick adjustment conductive foam both ends cut the heat laminating horizontal plane of end conductive hot melt cloth, can make the hot melt cloth laminate according to the position of cutting the end when hot laminating, reach complete laminating state, help promoting conductive foam and cut the high efficiency of end closing device when processing.

In a specific implementation manner, the connection mode of the push block and the first push rod and the second push rod is wedge butt joint, the first push rod is wedge butt joint with the first top plate, and the second push rod is wedge butt joint with the second top plate.

Through adopting above-mentioned technical scheme, ejector pad and first push rod and second push rod slide wedge butt, when the ejector pad forward movement or retreating, can be easier with first push rod and second push rod want to promote to both sides and draw close to the centre, first push rod and first roof slide wedge butt simultaneously, second push rod and second roof slide wedge butt, the lift of first roof and second roof can be controlled to the control ejector pad, simple structure, flexible operation helps promoting machining efficiency.

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

1. Through the arrangement of the heat sealing mechanism, the heat sealing mechanism comprises a first sealing device and a second sealing device, when conducting heat bonding of conductive foam is conducted, the first sealing device and the second sealing device work simultaneously, and two ends of the first sealing device and the second sealing device are simultaneously pressed down and bonded to the end parts of the conductive foam, so that the production efficiency can be improved;

2. Through assisting the setting of pressing device, assisting the quick adjustment of pressing device and electrically conductive bubble cotton both ends cut the heat laminating plane height of end and electrically conductive hot melt cloth, can make the hot melt cloth laminate according to the position of cutting the end when hot laminating, help promoting the cotton high efficiency of cutting end closing device of electrically conductive bubble when processing.

Drawings

Fig. 1 is a schematic diagram of the whole structure of a conductive foam cutting end sealing device according to an embodiment of the application.

Fig. 2 is a schematic diagram of a conveying device and a pressing mechanism according to an embodiment of the present application.

Fig. 3 is a schematic view of a heat seal mechanism according to an embodiment of the present application.

Fig. 4 is an overhead cross-sectional view of the auxiliary pressing device of the embodiment of the present application.

Fig. 5 is a front cross-sectional view of an auxiliary pressing device embodying an embodiment of the present application.

Reference numerals: 1. a bottom plate; 2. a transfer device; 21. a first slide rail; 22. a first slider; 23. a second slide rail; 24. a second slider; 25. a jig; 251. a cavity; 252. a threaded hole; 26. a sixth cylinder; 3. a heat sealing mechanism; 31. a first sealing device; 311. a first cylinder; 312. a first connection plate; 313. a first carrier plate; 314. a first loading block; 315. a second cylinder; 316. a second connecting plate; 317. a first hot briquetting; 32. a second sealing device; 321. a third cylinder; 322. a third connecting plate; 323. a second carrier plate; 324. a second loading block; 325. a fourth cylinder; 326. a fourth connecting plate; 327. a second hot briquetting; 3271. a second circular through hole; 4. an auxiliary pressing device; 41. a screw rod; 42. a handle; 43. a pushing block; 44. a first push rod; 45. a second push rod; 46. a first top plate; 47. a second top plate; 48. a first rectangular groove; 49. a second rectangular groove; 5. a compressing mechanism; 51. a cushion block; 52. a fifth cylinder; 53. a fifth connecting plate; 54. a third carrier plate; 55. a third briquetting; 6. a partition plate; 71. a first spring; 72. and a second spring.

Detailed Description

The application is described in further detail below with reference to fig. 1-5.

Examples:

The embodiment of the application discloses a conductive foam cutting end sealing device, which comprises a bottom plate 1, wherein a conveying device 2 is fixedly arranged on the bottom plate 1, the conveying device 2 is connected with a jig 25 in a sliding manner, an auxiliary pressing device 4 is arranged on the jig 25, heat sealing mechanisms 3 are arranged on two sides of the conveying device 2, the heat sealing mechanisms 3 are fixedly arranged on the bottom plate 1, a partition plate 6 is fixedly arranged on the bottom plate 1, the partition plate 6 is vertically arranged, a pressing mechanism 5 is arranged on the partition plate 6, and the pressing mechanism 5 is positioned above the conveying device 2.

Before processing, according to the required thermal fit height adjustment of the cut end of electrically conductive bubble cotton assist pressure device 4, after the conveyer 2 is put into to electrically conductive bubble cotton and electrically conductive hot melt cloth, conveyer 2 conveys electrically conductive bubble cotton and electrically conductive hot melt cloth to the processing position, hold-down mechanism 5 moves down to compress tightly bubble cotton and hot melt cloth and carry out restriction location, after the location is accomplished, heat seal mechanism 3 action, with electrically conductive hot melt cloth heat laminating to electrically conductive bubble cotton both ends fast. The packing mechanism 5 is used for fast positioning and packing, and the heat sealing mechanism 3 distributed on two sides of the conveying device 2 is used for fast and simultaneously carrying out heat sealing on products, so that the high efficiency of the conductive foam cutting end sealing device in processing the products is improved.

Referring to fig. 2, the conveying device 2 includes a first slide rail 21, the first slide rail 21 is fixedly mounted on the bottom plate 1, a first sliding block 22 is slidingly mounted on the first slide rail 21, a second slide rail 23 is fixedly mounted on the bottom plate 1, the second slide rail 23 and the first slide rail 21 are arranged in parallel, a second sliding block 24 is slidingly mounted on the second slide rail 23, a disassembling slide plate 27 is fixedly mounted on the first sliding block 22 and the second sliding block 24, a jig 25 is detachably mounted on the slide plate 27, a sixth air cylinder 26 is fixedly mounted on the bottom plate 1, the sixth air cylinder 26 is arranged at a distance from the conveying device 2 through a partition plate 6, and an output shaft of the sixth air cylinder 26 penetrates through the partition plate 6 and is fixedly connected with the slide plate 27.

The conveyer 2 is provided with first slide rail 21 and second slide rail 23, and the setting of two slide rails has better bearing capacity to slide 27 and tool 25, and after the manual work was placed electrically conductive foam and electrically conductive hot melt cloth on tool 25, sixth cylinder 26 effect, through control slide 27 removal on first slide rail 21 and second slide rail 23, makes the tool 25 of installing on slide 27 can stably slide, can effectively promote machining efficiency.

The pressing mechanism 5 comprises a cushion block 51, the cushion block 51 is detachably mounted on the side wall of one side, close to the conveying device 2, of the partition plate 6, a fifth air cylinder 52 is detachably mounted on the side wall of one side, far away from the partition plate 6, of the cushion block 51, an output shaft of the fifth air cylinder 52 is fixedly connected with a fifth connecting plate 53, a third carrier plate 54 is fixedly mounted at the bottom end of the fifth connecting plate 53, and a third pressing block 55 is detachably mounted at the bottom end of the third carrier plate 54.

After the conductive foam and the conductive hot-melt cloth are conveyed to the designated positions by the conveying mechanism 2, the third pressing block 55 is stably moved downwards under the action of the fifth air cylinder 52 to press the conductive foam and the conductive hot-melt cloth, so that the conductive hot-melt cloth is prevented from being deviated during processing.

Referring to fig. 3, the heat sealing mechanism 3 includes a first sealing device 31, the first sealing device 31 includes a first cylinder 311, the first cylinder 311 is disposed near the first sliding rail 21 and is fixedly mounted on the bottom plate 1, an output shaft of the first cylinder 311 is fixedly connected with a first connecting plate 312, the first connecting plate 312 is far away from a first loading plate 313 fixedly connected with a side wall of one side of the conveying device 2, the first loading plate 313 is horizontally disposed, a first loading block 314 is detachably mounted on the first loading plate 313, a second cylinder 315 is detachably mounted on the side wall of the first loading block 314 near one side of the conveying device 2, an output shaft of the second cylinder 315 is fixedly connected with a second connecting plate 316, a first thermal block 317 is detachably mounted on a bottom wall of the second connecting plate 316, a first circular through hole 3171 is formed near the conveying device 2 on the first thermal block 317, and an electric heating rod is mounted in the first circular through hole 3171.

The first sealing device 31 is provided with a second sealing device 32 at the opposite position of the other side of the conveying device 2, the second sealing device 32 comprises a third air cylinder 321, the third air cylinder 321 is close to the second sliding rail 23 and is fixedly arranged on the bottom plate 1, an output shaft of the third air cylinder 321 is fixedly provided with a third connecting plate 322, the side wall of the third connecting plate 322 far away from the conveying device 2 is fixedly connected with a second carrier plate 323, the second carrier plate 323 is horizontally arranged, a second loading block 324 is detachably arranged on the second carrier plate 323, a fourth air cylinder 325 is detachably arranged on the side wall of the second loading block 324 close to the conveying device 2, an output shaft of the fourth air cylinder 325 is fixedly connected with a fourth connecting plate 326, a second hot pressing block 327 is detachably arranged on the bottom wall of the fourth connecting plate 326, a second circular through hole 3271 is formed in the second hot pressing block 327 close to the conveying device 2, and an electric heating rod is also arranged in the second circular through hole 3271.

The conveyor 2 conveys the jig 25 to a designated position, and the first cylinder 311 and the third cylinder 321 simultaneously act to move the first thermal block 317 and the second thermal block 327 horizontally toward the conveyor 2 to the designated position, respectively, and the second cylinder 315 and the fourth cylinder 325 simultaneously act to move the first thermal block 317 and the second thermal block 327 simultaneously downward, respectively. The first thermal pressing block 317 and the second thermal pressing block 327 are uniformly heated by installing the heating device in the first circular through hole 3171 and the second circular through hole 3271, and the conductive thermal melting cloth can be pressed down and thermally attached to two sides of the conductive foam rapidly and effectively, so that the high efficiency of the conductive foam cutting end sealing device in production is improved.

Referring to fig. 4 and 5, a cavity 251 is formed in the jig 25, a threaded hole 252 is formed in the jig 25, the threaded hole 252 is communicated with the cavity 251, the jig 25 is connected with a screw rod 41 through threads of the threaded hole 252, one end of the screw rod 41 is fixedly connected with a handle 42, the handle 42 is arranged outside the jig 25, the other end of the screw rod 41 is rotationally connected with a push block 43, the push block 43 is slidably mounted in the cavity 251, the push block 43 is slidably mounted with the jig 25, two sides of the push block 43 are respectively abutted against a first push rod 44 and a second push rod 45, the first push rod 44 and the second push rod 45 are both arranged in the cavity 251, a first spring 71 is fixedly mounted on a side wall, far away from the push block 43, of the first push rod 44, the first spring 71 is horizontally arranged in the cavity 251, a second spring 72 is fixedly mounted on a side wall, far away from the push block 43, of the second push rod 45, and the second spring 72 is horizontally arranged in the cavity 251.

The jig 25 of one end of the first push rod 44 far away from the push block 43 is provided with a first rectangular groove 48, the first rectangular groove 48 is communicated with a cavity 251, a first top plate 46 is arranged in the first rectangular groove 48, and the first top plate 46 is abutted with the first push rod 44; the jig 25 of the second push rod 45 far away from one end of the push block 43 is provided with a second rectangular groove 49, the second rectangular groove 49 is communicated with the cavity 251, a second top plate 47 is arranged in the second rectangular groove 49, and the lower end of the second top plate 47 is abutted against the second push rod 45. In this embodiment, the contact direction between the push block 43 and the first push rod 44 and the second push rod 45 is wedge contact, the contact direction between the first push rod 44 and the first top plate 46 is wedge contact, and the contact direction between the second push rod 45 and the second top plate 47 is wedge contact.

Before the jig 25 is placed with the conductive foam and the conductive hot melt cloth, the auxiliary pressing device 4 can be adjusted according to the height of the thermal bonding port parts at the two ends of the conductive foam, and the handle 42 can be rotated to control the screw rod 41 to move forwards and backwards, so that the push block 43 is driven to move forwards and backwards. When the push block 43 moves forward, the push block 43 simultaneously pushes the first push rod 44 and the second push rod 45 to move to two sides, the first push rod 44 pushes the first top plate 46 to move upwards, the second push rod 45 pushes the second top plate 47 to move upwards, and the first top plate 46 and the second top plate 47 move upwards quickly to reach a required machining plane. When the plane of the first top plate 46 and the second top plate 47 needs to be lowered during the processing, the handle 42 is rotated, the screw rod 41 drives the push block 43 to move backward, and the first push rod 44 and the second push rod 45 move inward respectively under the action of the first spring 71 and the second spring 72, so that the first top plate 46 and the second top plate 47 move downward to reach the working plane. When the heights of the cut ends of the conductive foam are different, the auxiliary pressing device 4 can quickly adjust the plane heights of the first top plate 46 and the second top plate 47, so that the hot-melt cloth can be attached according to the position of the cut ends during hot attaching, and the high efficiency of the conductive foam cut end sealing device during processing can be improved.

The implementation principle of the embodiment of the application is as follows: the auxiliary pressing device 4 is adjusted to enable the first top plate 46 and the second top plate 47 to be lifted to reach a required working plane, conductive foam and conductive hot-melt cloth are placed on the jig 25, the conductive foam and the conductive hot-melt cloth are conveyed to a designated position by the conveying device 2, the pressing mechanism 5 moves downwards, the third pressing block 55 presses the conductive foam and the conductive hot-melt cloth, the first sealing device 31 and the second sealing device 32 are prevented from being deviated during processing, the two ends of the conductive foam are simultaneously acted on, effective lamination of the conductive hot-melt cloth is guaranteed, and the high efficiency of production and manufacturing of the conductive foam cutting end sealing device is facilitated to be improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (6)

1. The utility model provides a cotton cut end closing device of electrically conductive bubble which characterized in that: including bottom plate (1), install hold-down mechanism (5) on bottom plate (1), set up conveyer (2) on bottom plate (1), hold-down mechanism (5) are located conveyer (2) top, install tool (25) on conveyer (2), be close to conveyer (2) both sides install heat sealing mechanism (3) on bottom plate (1), heat sealing mechanism (3) include first seal device (31) and second seal device (32), first seal device (31) with second seal device (32) are installed on bottom plate (1) and are distributed conveyer (2) both sides, first seal device (31) are provided with first cylinder (311), install on bottom plate (1) first cylinder (311) output shaft fixed connection first connecting plate (312), install first carrier plate (313) on first carrier plate (313) install first piece (314), first cylinder (314) are close to first cylinder (315) and install on second cylinder (315) side loading plate (315), the second connecting plate (316) is provided with a first thermal pressing block (317), the second sealing and pressing device (32) is provided with a third air cylinder (321), the third air cylinder (321) is arranged on the bottom plate (1), an output shaft of the third air cylinder (321) is fixedly connected with a third connecting plate (322), a second carrier plate (323) is arranged on the third connecting plate (322), a second loading block (324) is arranged on the second carrier plate (323), a fourth air cylinder (325) is arranged on a side wall close to one side of the conveying device (2), an output shaft of the fourth air cylinder (325) is fixedly connected with a fourth connecting plate (326), a second thermal pressing block (327) is arranged on the fourth connecting plate (326), an auxiliary pressing device (4) is arranged on the jig (25), the auxiliary pressing device (4) comprises a screw rod (41), one end of the screw rod (41) is rotationally connected with a pushing block (43), the pushing block (43) is arranged in the jig (25), the pushing block (43) is connected with the first pushing block (44) and the second pushing block (44) and the first pushing block (45) are far away from the first pushing rod (45) and the first pushing rod (44), the first top plate (46) is slidably mounted on the jig (25), one end, away from the push block (43), of the second push rod (45) is connected with the second top plate (47), and the second top plate (47) is slidably mounted on the jig (25).

2. The conductive foam cut end sealing device according to claim 1, wherein: the pressing mechanism (5) comprises a partition plate (6), the partition plate (6) is arranged on the bottom plate (1), a cushion block (51) is arranged on the partition plate (6), a fifth air cylinder (52) is arranged on the cushion block (51), an output shaft of the fifth air cylinder (52) is fixedly connected with a fifth connecting plate (53), a third carrier plate (54) is arranged at the bottom end of the fifth connecting plate (53), and a third pressing block (55) is arranged on the third carrier plate (54).

3. The conductive foam cut end sealing device according to claim 1, wherein: a first circular through hole (3171) is formed in the first thermal pressing block (317), and a heating rod is arranged in the first circular through hole (3171).

4. The conductive foam cut end sealing device according to claim 1, wherein: a second circular through hole (3271) is formed in the second thermal pressing block (327), and a heating rod is arranged in the second circular through hole (3271).

5. The conductive foam cut end sealing device according to claim 1, wherein: the conveying device (2) comprises a first sliding rail (21), the first sliding rail (21) is arranged on the bottom plate (1), and a first sliding block (22) is arranged on the first sliding rail (21) in a sliding manner; install second slide rail (23) on bottom plate (1), slidable mounting second slider (24) on second slide rail (23), first slider (22) with install slide (27) on second slider (24), install sixth cylinder (26) on bottom plate (1), the output shaft of sixth cylinder (26) with slide (27) fixed connection, install tool (25) on slide (27).

6. The conductive foam cut end sealing device according to claim 1, wherein: the push block (43) is in inclined wedge butt joint with the first push rod (44) and the second push rod (45), the first push rod (44) is in inclined wedge butt joint with the first top plate (46), and the second push rod (45) is in inclined wedge butt joint with the second top plate (47).