CN214824513U

CN214824513U - Seamless steel pipe packing auxiliary device

Info

Publication number: CN214824513U
Application number: CN202120919134.9U
Authority: CN
Inventors: 王峰
Original assignee: Tianjin Yinglong Seamless Steel Pipe Industry And Trade Co ltd
Current assignee: Tianjin Yinglong Seamless Steel Pipe Industry And Trade Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-23
Anticipated expiration: 2031-04-29

Abstract

The utility model belongs to the technical field of the steel pipe packing and specifically relates to a seamless steel pipe packing auxiliary device is related to, and it includes that tipper and shaping press from both sides, and the shaping presss from both sides the bottom and is provided with the base, the shaping presss from both sides including half left side and half right side presss from both sides, half right side press from both sides and base fixed connection, half left side press from both sides and base sliding connection, and half left side is pressed from both sides and is provided with the adjustment mechanism who is used for adjusting half left side and press from both sides the distance between the right side and press from both sides between the base. In this application, through the setting of sloping frame, shaping clamp and adjustment mechanism, when the seamless steel pipe quantity of required packing changes, utilize adjustment mechanism to press from both sides the size of shaping and adjust, reduced the process of changing the specification that the shaping pressed from both sides, reduced the transport to shaping clamp and base, reached the effect that has reduced workman intensity of labour.

Description

Seamless steel pipe packing auxiliary device

Technical Field

The application relates to the field of steel pipe packing, in particular to a seamless steel pipe packing auxiliary device.

Background

At present, seamless steel pipes are made of a whole metal, have no seam on the surface, have hollow sections, and are used as pipelines for conveying a large amount of fluid, such as petroleum, natural gas, coal gas, water and the like.

After the processing of seamless steel pipe is accomplished, need pack the seamless steel pipe bundle, can use the packing auxiliary device during the packing, refer to fig. 1, the packing auxiliary device generally includes that the sloping frame 1 presss from both sides 2 with the shaping, and 1 level of sloping frame sets up, and 1 top of sloping frame presss from both sides 2 orientation downward sloping settings towards being close to the shaping, and the shaping presss from both sides 2 bottoms and is provided with base 3, and base 3 presss from both sides 2 fixed connection with the shaping. When using packing auxiliary device to pack seamless steel pipe 8, at first with the seamless steel pipe 8 of required quantity along the top of leaning frame 1 gradually to being close to forming clamp 2 and removing, all drop to forming clamp 2 in the seamless steel pipe 8 of required quantity, forming clamp 2 is the hexagon with the seamless steel pipe 8 shaping of required quantity, later the manual work is tied up the packing to fashioned seamless steel pipe 8.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the number of the seamless steel tubes to be packed changes, the specification of the forming clamp needs to be changed, and the forming clamp and the base are heavy, so that the labor intensity of workers is high.

SUMMERY OF THE UTILITY MODEL

In order to reduce workman's intensity of labour, this application provides a seamless steel pipe packing auxiliary device.

The application provides a seamless steel pipe packing auxiliary device adopts following technical scheme:

the utility model provides a seamless steel pipe packing auxiliary device, presss from both sides including sloping frame and shaping, the shaping presss from both sides the bottom and is provided with the base, the shaping presss from both sides including half left and half right clamp, half right clamp and base fixed connection, half left clamp and base sliding connection, is provided with between half left clamp and the base and is used for adjusting half left clamp and half right clamp between the adjustment mechanism of distance.

By adopting the technical scheme, the left half clamp is connected with the base in a sliding manner, so that the adjustability of the size and the specification of the forming clamp is realized, the size of the forming clamp is adjusted through the adjusting mechanism according to the required number of bundled seamless steel pipes, and the practicability of the forming clamp is improved; through the setting of sloping frame, shaping clamp and adjustment mechanism, when the seamless steel pipe quantity of required packing changes, utilize adjustment mechanism to adjust the size that the shaping pressed from both sides, reduced the process of changing the specification that the shaping pressed from both sides, reduced the transport to shaping clamp and base, reached the effect that has reduced workman intensity of labour.

Optionally, the adjusting mechanism includes a gear and a wide rack, the wide rack is fixedly connected with the left half clamp, the wide rack is slidably connected with the base, the gear is rotatably connected with the base, and the gear is engaged with the wide rack.

Through adopting above-mentioned technical scheme, the gear is rotated, and the gear drives the wide rack and takes place to remove, because the wide rack is connected with left half clamp is fixed, and the wide gear drives left half clamp and takes place to remove in step to the controllability of left half clamp position has been realized, the convenience of adjusting left half clamp position has also been improved simultaneously.

Optionally, the forming clamp is provided with a plurality of, is provided with the gangbar between a plurality of left half clamps, and the gangbar rotates with the base to be connected, gangbar and a plurality of gear fixed connection, and gangbar one end is connected with and is used for driving the pivoted first driving piece of gangbar.

By adopting the technical scheme, the plurality of positions of the seamless steel pipes are limited by the arrangement of the plurality of forming clamps, so that the plurality of seamless steel pipes are positioned in the forming clamps in parallel; utilize first driving piece drive gangbar to take place to rotate, first gangbar drives a plurality of gears and rotates in step, thereby a plurality of gears drive a plurality of left half through the transmission of wide rack and press from both sides simultaneous movement, realized half synchronous control who presss from both sides a plurality of left, and then reduced half adjusting error between pressing from both sides in a plurality of left.

Optionally, the forming clamp both sides are provided with the push pedal that is used for lining up required quantity's seamless steel pipe both ends, and two push pedals all with base sliding connection, the opposite setting of direction of motion of two push pedals.

Through adopting above-mentioned technical scheme, utilize two push pedals to push the both ends of a plurality of seamless steel pipes respectively to make the both ends of a plurality of seamless steel pipes all align, reduced the uneven probability of a plurality of seamless steel pipes that appear, improved seamless steel pipe's packing quality.

Optionally, one side, away from the forming clamp, of the push plate is provided with an air cylinder, the air cylinder is fixedly connected with the base, and a piston rod of the air cylinder is fixedly connected with the push plate.

Through adopting above-mentioned technical scheme, utilize the cylinder to provide power for the push pedal, the reaction rate of cylinder is fast, and the drive push pedal moves along the straight line simultaneously, and the setting up of cylinder has improved the convenience of removing the push pedal.

Optionally, the shaping presss from both sides the top and is provided with and seals the pole, seals the pole and presss from both sides with the shaping and rotate to be connected, seals pole one end and inserts in half the clamp on the left after half the clamp on the right side is passed, seals pole and half a threaded connection on the right side.

Through adopting above-mentioned technical scheme, all transfer into the shaping and press from both sides back at the seamless steel pipe of required quantity, rotate and seal the pole, make and seal the pole and pass and insert half left clamp after half right clamp in, utilize and seal the pole and seal the shaping and press from both sides open-top, and then carry on spacingly to the seamless steel pipe in the shaping presss from both sides to reduce the probability that seamless steel pipe breaks away from the shaping in the packing process, and then improved the stability that seamless steel pipe is located the shaping and presss from both sides.

Optionally, the end of the sealing rod far away from the right half clamp is connected with a connecting pipe, the connecting pipe is connected with the base in a rotating manner, one end of the connecting pipe is connected with a second driving piece for driving the connecting pipe to rotate, the other end of the connecting pipe is sleeved outside the end of the sealing rod far away from the right half clamp, the connecting pipe is connected with the sealing rod in a sliding manner, and a synchronizing assembly for driving the sealing rod to rotate synchronously is arranged between the connecting pipe and the sealing rod.

Through adopting above-mentioned technical scheme, utilize the second driving piece to provide power for the rotation of connecting pipe, the connecting pipe drives through synchronous subassembly and seals the pole and rotate with the connecting pipe is synchronous, owing to seal pole and half double-layered threaded connection on the right side, still can take place to slide along the connecting pipe inner wall when sealing the pole and rotating, seals up the opening that the pole pressed from both sides the shaping to the convenience of moving the wind taste has been improved.

Optionally, the synchronizing assembly comprises a guide block and a guide groove, the guide groove is formed in the inner wall of the connecting pipe, the guide block is fixedly connected with the sealing rod, the guide block is located in the guide groove, and the guide block is in sliding connection with the guide groove.

Through adopting above-mentioned technical scheme, rotate the connecting pipe, the connecting pipe drives the guide way and rotates in step, and the lateral wall of guide way promotes the guide block and also takes place to rotate in step, through the transmission of guide block and guide way, has realized the connecting pipe and has sealed the synchronous rotation of pole, has improved the convenience of synchronous rotation connecting pipe and sealing the pole, has reduced simultaneously when sealing the pole and has rotated and the probability that takes place the skew between the connecting pipe.

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

1. through the arrangement of the inclined frame, the forming clamp and the adjusting mechanism, when the number of seamless steel pipes to be packaged changes, the size of the forming clamp is adjusted by the adjusting mechanism, the process of replacing the specification of the forming clamp is reduced, the carrying of the forming clamp and the base is reduced, and the effect of reducing the labor intensity of workers is achieved;

2. through the arrangement of the linkage rod, synchronous adjustment of the left half clamps is realized, and the adjustment errors among the left half clamps are reduced;

3. through the setting of sealing the pole, carry on spacingly to the seamless steel pipe in the shaping clamp to reduce the probability that seamless steel pipe breaks away from the shaping clamp in the packing process, and then improved the stability that seamless steel pipe is located the shaping and presss from both sides.

Drawings

FIG. 1 is a schematic diagram of a baling assistance device of the background art of the present application;

FIG. 2 is a schematic structural diagram of an adjustable baling assistance device according to an embodiment of the present application;

FIG. 3 is an enlarged partial view of portion A of FIG. 2 in an embodiment of the present application;

fig. 4 is a schematic structural diagram of the sealing rod of the embodiment of the present application.

Description of reference numerals: 1. an inclined frame; 11. a guide plate; 2. forming clips; 21. a left half clamp; 22. a right half clamp; 221. a first lever; 222. a second lever; 3. a base; 31. an outer frame; 32. a transverse plate; 4. an adjustment mechanism; 41. a gear; 42. a wide rack; 43. an adjustment groove; 44. a linkage rod; 441. a first motor; 5. a drive mechanism; 51. a connecting pipe; 52. a second motor; 53. a synchronization component; 531. a guide block; 532. a guide groove; 6. pushing the plate; 7. a cylinder; 8. seamless steel pipes; 9. a sealing rod.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses seamless steel pipe packing auxiliary device. Referring to fig. 2, a seamless steel pipe packing auxiliary device includes that the tipper 1 presss from both sides 2 with the shaping, the 1 level setting of tipper, the shaping presss from both sides 2 and sets up in tipper 1 one side along the length direction of tipper 1, the shaping presss from both sides 2 bottom level and is provided with base 3, the shaping is pressed from both sides and is provided with adjustment mechanism 4 between 2 and the base 3, the shaping presss from both sides 2 along the equal vertical push pedal 6 that is provided with in the both sides of the 1 length direction of tipper, push pedal 6 and base 3 sliding connection, the shaping presss from both sides 2 top opening part and still is provided with sealing rod 9, sealing rod 9 presss from both sides 2 sliding connection with the shaping. When using packing auxiliary device to pack seamless steel pipe 8, earlier according to the packing specification, come to adjust the size of forming clamp 2 through adjustment mechanism 4, move required quantity's seamless steel pipe 8 in to forming clamp 2 from the sloping frame 1 after the regulation, then utilize and seal the pole 9 and seal forming clamp 2 top, then utilize two push pedals 6 to align a plurality of seamless steel pipe 8's in forming clamp 2 both ends, later the workman begins to tie up the packing to seamless steel pipe 8.

Referring to fig. 2 and 3, the top end of the inclined frame 1 inclines towards the ground direction along the direction close to the forming clamp 2, a guide plate 11 is arranged between the top ends of the inclined frame 1 and the forming clamp 2, one end of the guide plate 11 is fixedly connected with the inclined frame 1, the other end of the guide plate is suspended at the top end of the forming clamp 2, and the guide plate 11 does not cover the opening at the top end of the forming clamp 2. The seamless steel tube 8 which is finished in production is placed on the top end of the inclined frame 1, then the seamless steel tube 8 is pushed to move along the top end of the inclined frame 1, the seamless steel tube 8 is enabled to be continuously close to the forming clamp 2, then the seamless steel tube 8 slides on the guide plate 11, the seamless steel tube 8 slides along the side wall of the guide plate 11 far away from the base 3 until the seamless steel tube 8 is far away from the guide plate 11 and falls into the forming clamp 2.

Referring to fig. 2, the base 3 includes frame 31 and diaphragm 32, and frame 31 is square frame, and frame 31 sets up along the length direction of tipper 1, and diaphragm 32 is provided with a plurality ofly along the width direction level of frame 31, and a plurality of diaphragms 32 evenly distributed in frame 31, diaphragm 32 both ends respectively with two inside walls fixed connection of shell.

Referring to fig. 2 and 3, the number of the forming clips 2 is the same as that of the transverse plate 32, the forming clips 2 are vertically arranged at the top end of the transverse plate 32, the forming clips 2 are arranged along the width direction of the outer frame 31, the forming clips 2 comprise a left half clip 21 and a right half clip 22, the right half clip 22 is arranged between the left half clip 21 and the inclined frame 1, the right half clip 22 comprises a first rod 221 and a second rod 222, the bottom end of the first rod 221 is fixedly connected with the top end of the transverse plate 32, the top end of the first rod 221 is inclined towards the inclined frame 1, the bottom end of the second rod 222 is fixedly connected with the top end of the first rod 221, the top end of the second rod 222 is inclined away from the inclined frame 1, the top end of the second rod 222 is aligned with the bottom end of the first rod 221 in the vertical direction, the left half clip 21 is also provided with the first rod 221 and the second rod 222, the first plate and the second plate of the left half clip 21 are respectively arranged symmetrically for the first plate and the second plate of the right half clip 22, and the gap is arranged between the top end of the left half clip 22 and the top end of the left half clip 21, i.e. the opening at the top end of the forming clamp 2.

The required number of seamless steel tubes 8 enter the forming clamp 2 from the opening at the top end of the forming clamp 2, the first rod 221 and the second rod 222 of the left half clamp 21 and the right half clamp 22 respectively limit the plurality of seamless steel tubes 8, and the cross sections of the plurality of seamless steel tubes 8 are shaped, so that the seamless steel tubes 8 are arranged in the forming clamp 2 in a hexagon shape.

Referring to fig. 2 and 3, the adjusting mechanism 4 is located between the left half clamp 21 and the transverse plate 32, the adjusting mechanism 4 includes an adjusting groove 43, a gear 41, a wide rack 42 and a linkage rod 44, the number of the adjusting groove 43, the gear 41 and the wide rack 42 is the same as that of the transverse plate 32, the adjusting groove 43 is horizontally arranged at the top end of the transverse plate 32, the adjusting groove 43 is a T-shaped groove, the wide rack 42 is horizontally arranged in the adjusting groove 43, the wide rack 42 is slidably connected with the adjusting groove 43, one end of the wide rack 42 close to the right half clamp 22 is fixedly connected with the bottom end of the first rod 221 of the left half clamp 21, the gear 41 is vertically arranged right above the wide rack 42, the gear 41 is engaged with the top end of the wide rack 42, the plurality of gears 41 are all sleeved outside the linkage rod 44, the outer side wall of the linkage rod 44 is fixedly connected with the plurality of gears 41, the linkage rod 44 is horizontally arranged along the length direction of the base 3, both ends of the linkage rod 44 are rotatably connected with the top end of the base 3, and one end of the linkage rod 44 is fixedly connected with a first driving member, the first driving member in this embodiment is a first motor 441, the first motor 441 is fixedly connected with the top end of the outer frame 31, and the first motor 441 is fixedly connected with one end of the linkage rod.

When the position of the left half clamp 21 is adjusted by using the adjusting mechanism 4, the first motor 441 is started first, the first motor 441 drives the linkage shaft to rotate around the first motor 441, the linkage shaft drives the plurality of gears 41 to synchronously rotate, the plurality of gears 41 drive the plurality of wide racks 42 to synchronously slide along the adjusting groove 43, the adjusting groove 43 guides the wide racks 42, the plurality of wide racks 42 drive the plurality of left half clamps 21 to synchronously move, the moving distances of the plurality of left half clamps 21 are the same, the distance between the left half clamp 21 and the right half clamp 22 is changed, and further the size of the forming clamp 2 is adjusted, so that the process of changing the size of the forming clamp 2 is reduced, the carrying of the forming clamp 2 and the base 3 is reduced, and the effect of reducing the labor intensity of workers is achieved.

Referring to fig. 2, one side that forming clamp 2 was kept away from to two push pedal 6 all is provided with cylinder 7, and cylinder 7 level sets up on 3 tops of base, and cylinder 7 and 3 top fixed connection of base, and the lateral wall center fixed connection that forming clamp 2 was kept away from to cylinder 7's piston rod and push pedal 6.

When seamless steel pipe 8 at required quantity all is located the shaping and presss from both sides 2, start two cylinders 7 simultaneously, two cylinders 7 drive two push pedal 6 and move in opposite directions, make two push pedal 6 be close to shaping clamp 2 gradually, two push pedal 6 carry on spacingly to a plurality of seamless steel pipe 8's in the shaping clamp 2 both ends, and then align a plurality of seamless steel pipe 8's both ends, later close two cylinders 7, two cylinders 7 drive two push pedal 6 back of the body motions of mutually, two push pedal 6 keep away from the shaping clamp 2 gradually.

Referring to fig. 2 and 3, the sealing rod 9 is horizontally arranged along the width direction of the base 3, one end of the sealing rod 9 penetrates through the top end of the second rod 222 of the right half clamp 22 and then is inserted into the top end of the second rod 222 of the left half clamp 21, the sealing rod 9 is in threaded connection with the second rod 222 of the right half clamp 22, and one end, far away from the left half clamp 21, of the sealing rod 9 is fixedly connected with the driving mechanism 5.

After the seamless steel pipes 8 with required quantity are all located in the forming clamp 2, the driving mechanism 5 is used for driving the sealing rod 9 to rotate, the sealing rod 9 horizontally moves along the second rod 222 of the right half clamp 22, the sealing rod 9 gradually approaches to the left half clamp 21 until the end, far away from the tilting frame 1, of the sealing rod 9 is inserted into the top end of the second rod 222 of the left half clamp 21, and the sealing rod 9 seals the top end of the forming clamp 2 to prevent the seamless steel pipes 8 from sliding out of the top end of the forming clamp 2 in the packaging process.

Referring to fig. 3 and 4, the driving mechanism 5 includes a connecting pipe 51 and a second motor 52, the connecting pipe 51 is horizontally disposed between the sealing rod 9 and the second motor 52, the connecting pipe 51 is of a structure with two open ends, one end of the connecting pipe 51 far away from the sealing rod 9 is fixedly connected to the second motor 52, the second motor 52 is fixedly connected to the tilting frame 1, meanwhile, the connecting pipe 51 is rotatably connected to the tilting frame 1, one end of the connecting pipe 51 far away from the second motor 52 is sleeved on the outer side of one end of the sealing rod 9 far away from the left half clamp 21, and the inner wall of the connecting pipe 51 is slidably connected to the sealing rod 9, a synchronizing assembly 53 is further disposed between the connecting pipe 51 and the sealing rod 9, the synchronizing assembly 53 includes a guide block 531 and a guide groove 532, the guide groove 532 is horizontally disposed at the inner wall of the connecting pipe 51 along the length direction of the connecting pipe 51, the guide block 531 is horizontally disposed on the outer side wall of the sealing rod 9 along the length direction of the sealing rod 9, the side wall of the guide block 531 is fixedly connected to the outer side wall of the sealing rod 9, the side wall of the guide block 531 away from the closing rod 9 is inserted into the guide groove 532, and the guide block 531 is slidably connected with the guide groove 532.

When the sealing rod 9 is moved, the second motor 52 is started, the second motor 52 drives the connecting pipe 51 to rotate around the connecting pipe, the connecting pipe 51 drives the inner guide groove 532 to synchronously rotate, the side wall of the guide groove 532 pushes the guide block 531 to rotate, the guide block 531 drives the sealing rod 9 to synchronously rotate, due to the fact that the sealing rod 9 is in threaded connection with the right half clamp 22, the sealing rod 9 can slide along the inner wall of the connecting pipe 51 when rotating, the sealing rod 9 is gradually far away from the second motor 52, one end, far away from the second motor 52, of the sealing rod 9 penetrates through the right half clamp 22 and then is inserted into the top end of the second rod 222 of the left half clamp 21, and the sealing rod 9 is in a sealing state.

The implementation principle of the seamless steel tube packing auxiliary device in the embodiment of the application is as follows: when using packing auxiliary device to assist seamless steel pipe 8 to pack, at first according to required seamless steel pipe 8's quantity specification, come to a plurality of left half position synchronization that press from both sides 21 and adjust, adjust and accomplish the back, remove required quantity seamless steel pipe 8 and press from both sides 2 from the shaping of 1 top of tilt frame gradually being close to, until required quantity seamless steel pipe 8 all falls into the shaping and press from both sides 2 in, then drive second motor 52, second motor 52 makes seal pole 9 seal shaping clamp 2 top opening through the drive of connecting pipe 51 and seals, then start two cylinders 7, two cylinders 7 drive two push pedals 6 and align required packed seamless steel pipe 8 both ends, later the manual work begins to pack the seamless steel pipe 8 of piling up the type and operate.

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

1. The utility model provides a seamless steel pipe packing auxiliary device, includes that sloping frame (1) and shaping press from both sides (2), shaping press from both sides (2) bottom and is provided with base (3), its characterized in that: the forming clamp (2) comprises a left half clamp (21) and a right half clamp (22), the right half clamp (22) is fixedly connected with the base (3), the left half clamp (21) is connected with the base (3) in a sliding mode, and an adjusting mechanism (4) used for adjusting the distance between the left half clamp (21) and the right half clamp (22) is arranged between the left half clamp (21) and the base (3).

2. The seamless steel tube packing auxiliary device according to claim 1, wherein: the adjusting mechanism (4) comprises a gear (41) and a wide rack (42), the wide rack (42) is fixedly connected with the left half clamp (21), the wide rack (42) is connected with the base (3) in a sliding mode, the gear (41) is connected with the base (3) in a rotating mode, and the gear (41) is meshed with the wide rack (42).

3. The seamless steel tube packing auxiliary device according to claim 2, characterized in that: the forming clamp (2) is provided with a plurality of, is provided with gangbar (44) between a plurality of left half clamps (21), and gangbar (44) rotate with base (3) and are connected, gangbar (44) and a plurality of gear (41) fixed connection, and gangbar (44) one end is connected with and is used for driving gangbar (44) pivoted first driving piece.

4. The seamless steel tube packing auxiliary device according to claim 1, wherein: the forming clamp (2) is provided with push plates (6) used for aligning two ends of the seamless steel pipes (8) in required quantity, the two push plates (6) are connected with the base (3) in a sliding mode, and the two push plates (6) are arranged in opposite movement directions.

5. The seamless steel tube packing auxiliary device according to claim 4, wherein: and an air cylinder (7) is arranged on one side, away from the forming clamp (2), of the push plate (6), the air cylinder (7) is fixedly connected with the base (3), and a piston rod of the air cylinder (7) is fixedly connected with the push plate (6).

6. The seamless steel tube packing auxiliary device according to claim 1, wherein: the shaping presss from both sides (2) top and is provided with and seals pole (9), seals pole (9) and shaping and presss from both sides (2) and rotates to be connected, seals pole (9) one end and passes and insert half left side after half right side presss from both sides (22) and press from both sides (21) in, seal pole (9) and half right side press from both sides (22) threaded connection.

7. The seamless steel tube packing auxiliary device according to claim 6, wherein: seal pole (9) and keep away from right half clamp (22) one end and be connected with connecting pipe (51), connecting pipe (51) rotate with base (3) and be connected, connecting pipe (51) one end is connected with and is used for driving connecting pipe (51) pivoted second driving piece, another pot head is established in the outside of sealing pole (9) and keeping away from right half clamp (22) one end, connecting pipe (51) with seal pole (9) sliding connection, and connecting pipe (51) with seal and be provided with between pole (9) and be used for making connecting pipe (51) drive and seal synchronous pivoted synchronizing assembly (53) of pole (9).

8. The seamless steel tube packing auxiliary device according to claim 7, wherein: synchronous subassembly (53) include guide block (531) and guide way (532), and connecting pipe (51) inner wall is seted up in guide way (532), and guide block (531) and sealing rod (9) fixed connection, guide block (531) are located guide way (532), and guide block (531) and guide way (532) sliding connection.