CN110181932B

CN110181932B - Screen printing machine

Info

Publication number: CN110181932B
Application number: CN201910630783.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Shenzhen Yongfuda Technology Products Co ltd
Current assignee: Shenzhen yongfuda technology products Co.,Ltd.
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2021-05-04
Anticipated expiration: 2039-07-12
Also published as: CN110181932A

Abstract

The invention relates to the field of screen printing machines, in particular to a screen printing machine which comprises a supporting mechanism, a fixing mechanism, a printing mechanism, a blowing mechanism, a discharging mechanism, a pushing mechanism, a pressure mechanism and a sprinkling mechanism, wherein before a coating is placed on the surface of a screen plate, a push plate is pulled to move a connecting frame towards the direction of a bottom plate, so that a top column is abutted against a protrusion, a slide rod 84 is opened by the top column through a pressure head 82, and finally, water is sprayed to the surface of the screen plate by two spray heads, so that the influence of the solidification of the coating for next printing on the printing is avoided; after the printed board is fixed, the connecting frame square push rod is pushed to realize that the air compressing mechanism generates air flow to blow the air blowing mechanism, the air blowing mechanism blows air to the bottom of the wire mesh plate and the top of the clamping plate, residual water drops on the water spraying mechanism are blown off, the influence on printing is avoided, and on the other hand, dust on the surface of the board is cleaned in ash when no water drops exist.

Description

Screen printing machine

Technical Field

The invention relates to the field of screen printers, in particular to a screen printer.

Background

The screen printing machine is a machine for printing by using screen printing plate, belonging to a kind of printing machine. A screen printer is a machine that prints characters and images, and is a generic name of a machine or apparatus for producing printed matters. The screen printing machine belongs to the representative printing equipment in the porous printing machine, and the material for manufacturing the screen can be nylon wire, copper wire, steel wire or stainless steel wire besides real silk. And can be classified into a flat screen printer, a curved screen printer, a rotary screen printer, and the like.

However, when a large amount of acrylic plates are printed outdoors in hot environment, the outdoor temperature is high, so that graphite at the ink coating position of the printing screen is rapidly solidified, and if the screen plate at the ink coating position is wetted irregularly, the coating is solidified, so that the printed pattern is not complete.

Disclosure of Invention

The invention provides a screen printing machine aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a screen printing machine comprises a supporting mechanism, a fixing mechanism, a printing mechanism, a blowing mechanism, a discharging mechanism, a pushing mechanism, a pressure mechanism and a sprinkling mechanism; be used for realizing that whole mechanism supports install supporting mechanism's top fixed establishment, two rotate between the fixed establishment and be connected with printing mechanism, two medial surface sliding connection relatively of printing mechanism pushing mechanism, pushing mechanism's surface mounting has pressure mechanism, supporting mechanism's surface mounting has and is located printing mechanism bottom air blowing mechanism, air blowing mechanism with communicate between the pressure mechanism, supporting mechanism's surface mounting have with air blowing mechanism is parallel drop feed mechanism, printing mechanism's bottom install with supporting mechanism contradicts watering mechanism.

Specifically, supporting mechanism includes base, bottom plate, roof and fore-set, fixed establishment's bottom weld in the surface of roof, the bottom of roof weld in the lateral wall of bottom plate, the bottom plate with be "L" shape structure between the roof, the welding of bottom four corners department of bottom plate the base, the skin weld of bottom plate has two tops to be the slope setting the fore-set.

Specifically, fixed establishment includes nut, adapter sleeve, top cover and screw rod, the relative welding in top of roof the screw rod, two the equal threaded connection in surface of screw rod the nut with the top cover, the top cover with be equipped with between the adapter sleeve with screw rod sliding connection the adapter sleeve.

Specifically, printing mechanism includes pivot, connecting plate, link, silk otter board and push pedal, two rotate between the adapter sleeve and be connected with the pivot, the bottom welding of pivot the connecting plate, the bottom welding of connecting plate have with two that the bottom plate is parallel the link, two the inside sliding connection of link the silk otter board, the top welding of silk otter board the push pedal.

Specifically, pushing mechanism includes activity groove, push rod, baffle and first pressure spring, two the opposite side of link sets up the activity groove, silk otter board sliding connection in the inside of activity groove, two the inside of activity groove all be equipped with the link welded the baffle, the push rod is located the inside of activity groove, just push rod sliding connection in the one end of baffle with the lateral wall welding of silk otter board, be located the baffle with between the silk otter board the surface winding of push rod first pressure spring.

Specifically, the pressure mechanism includes sleeve pipe, compression leg, pull rod, spring, gasbag and spacing groove, the surface welding of push rod is hollow cylindrical structure the compression leg, the inside relative welding of activity groove has the hollow cylindrical structure, lateral wall open-ended the sleeve pipe, the push rod with sliding connection between the sleeve pipe, the winding has been placed to sheathed tube inside the gasbag in the push rod outside, the sheathed tube lateral wall has seted up relatively the spacing groove, the inside sliding connection cross-section of spacing groove is "7" font structure the pull rod, the bottom fixedly connected with of pull rod is installed the sheathed tube is inside the spring, the top of pull rod with bond between the gasbag, the compression leg embedding the inside one end of sleeve pipe with the pull rod is contradicted.

Specifically, the blowing mechanism includes trachea, backup pad, gas blow pipe and gas pocket, two the gasbag deviate from the one end of pull rod all communicates the trachea, two the trachea runs through the one end of link bottom with the gas blow pipe intercommunication, the lateral wall of gas blow pipe is evenly seted up the gas pocket, install the bottom of gas blow pipe the top of backup pad, the backup pad is fixed in the surface of bottom plate.

Specifically, drop feed mechanism includes slide rail, bolt, spout and splint, the relative installation in surface of bottom plate the slide rail, the both ends side of slide rail is seted up relatively the spout, two the relative lateral wall of slide rail is equipped with two splint, the bolt runs through the one end of spout with splint fixed connection, the top of splint with the top parallel and level of backup pad.

It is specific, watering mechanism includes water storage tank, pressure head, shower nozzle, slide bar, mounting panel, second pressure spring and arch, and the side is down "U" shape structure install is invertd at the top of link the water storage tank, the bottom install and be located the link bottom the shower nozzle, two the shower nozzle with the side parallel and level of link, the bottom of shower nozzle is installed the bottom and is the slope setting the pressure head, two the internally mounted of link the mounting panel, the slide bar with sliding connection between the mounting panel, the one end of slide bar with the bottom of pressure head is contradicted, the slide bar deviates from the one end welding of pressure head has the bottom to be the slope setting protruding, bellied bottom with the fore-set is contradicted, protruding with between the mounting panel the surface winding of slide bar the second pressure spring.

The invention has the beneficial effects that:

according to the screen printing machine, the connecting frame is moved towards the direction of the bottom plate by pulling the push plate before the coating is placed on the surface of the screen plate, the top column is abutted to the protrusion, the press head 82 is opened by the slide rod 84 through the top column, finally the two spray heads spray water to the surface of the screen plate, and the influence on printing due to the solidification of the next printing coating is avoided.

(2) According to the screen printing machine, after the printed board is fixed, the connecting frame pushes the push rod in the square direction to enable the air pressing mechanism to generate air flow to blow towards the air blowing mechanism, the air blowing mechanism blows air towards the bottom of the screen plate and the top of the clamping plate to blow off residual water drops of the water spraying mechanism, so that the printing is prevented from being influenced, and dust on the surface of the board is cleaned when no water drops exist.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of an overall structure of a preferred embodiment of a screen printing machine according to the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic view of the connection frame shown in FIG. 2 with a pressure mechanism;

FIG. 4 is an enlarged view of the structure of the portion C shown in FIG. 3;

fig. 5 is an enlarged schematic view of the structure of the part B shown in fig. 1.

In the figure: 1. the device comprises a supporting mechanism, 11, a base, 12, a bottom plate, 13, a top plate, 14, a top column, 2, a fixing mechanism, 21, a nut, 22, a connecting sleeve, 23, a top sleeve, 24, a screw rod, 3, a printing mechanism, 31, a rotating shaft, 32, a connecting plate, 33, a connecting frame, 34, a wire mesh plate, 35, a push plate, 4, an air blowing mechanism, 41, an air pipe, 42, a supporting plate, 43, an air blowing pipe, 44, an air hole, 5, an air discharging mechanism, 51, a sliding rail, 52, a bolt, 53, a sliding chute, 54, a clamping plate, 6, a pushing mechanism, 61, a movable chute, 62, a push rod, 63, a partition plate, 64, a first pressure spring, 7, a pressure mechanism, 71, a sleeve, 72, a pressure column, 73, a pull rod, 74, a spring, 75, an air bag, 76, a limiting chute, 8, a water spraying mechanism, 81, a water storage tank, 82, a pressure head, 83, a spray head, And (4) protruding.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-5, the screen printing machine of the present invention comprises a supporting mechanism 1, a fixing mechanism 2, a printing mechanism 3, a blowing mechanism 4, a discharging mechanism 5, a pushing mechanism 6, a pressure mechanism 7 and a sprinkling mechanism 8; be used for realizing that whole mechanism supports install supporting mechanism 1's top fixed establishment 2, two rotate between the fixed establishment 2 and be connected with printing mechanism 3, two medial surface relative sliding connection of printing mechanism 3 pushing mechanism 6, pushing mechanism 6's surface mounting has pressure mechanism 7, supporting mechanism 1's surface mounting has and is located printing mechanism 3 bottom air blowing mechanism 4, air blowing mechanism 4 with communicate between the pressure mechanism 7, supporting mechanism 1's surface mounting have with air blowing mechanism 4 is parallel drop feed mechanism 5, printing mechanism 3's bottom install with supporting mechanism 1 contradicts watering mechanism 8.

Specifically, supporting mechanism 1 includes base 11, bottom plate 12, roof 13 and fore-set 14, the bottom of fixed establishment 2 weld in the surface of roof 13, the bottom of roof 13 weld in the lateral wall of bottom plate 12, bottom plate 12 with be "L" shape structure between the roof 13, the welding of bottom four corners department of bottom plate 12 base 11, the skin weld of bottom plate 12 has two tops to be the slope setting the fore-set 14 has realized the installation to overall structure when the printing, has increased overall structure's stability, the fore-set 14 cooperation watering mechanism 8 is right printing mechanism 3 sprays water.

Specifically, fixed establishment 2 includes nut 21, adapter sleeve 22, top cover 23 and screw rod 24, the relative welding in top of roof 13 screw rod 24, two the equal threaded connection in surface of screw rod 24 the nut 21 with top cover 23, top cover 23 with be equipped with between the adapter sleeve 22 with screw rod 24 sliding connection the adapter sleeve 22 is through rotating when using the nut 21 with distance between the top cover 23, thereby adjusted the adapter sleeve 22 is in position on the screw rod 24, accurate regulation printing mechanism 3 makes things convenient for the printing.

Specifically, printing mechanism 3 includes pivot 31, connecting plate 32, link 33, silk screen board 34 and push pedal 35, two rotate between the adapter sleeve 22 and be connected with pivot 31, the bottom welding of pivot 31 the connecting plate 32, the bottom welding of connecting plate 32 have with two that bottom plate 12 is parallel link 33, two the inside sliding connection of link 33 silk screen board 34, the top welding of silk screen board 34 push pedal 35 can be through pulling during the printing push pedal 35 realizes link 33 follows pivot 31 rotates, conveniently follows the trade silk screen board 34.

Specifically, the pushing mechanism 6 includes a movable groove 61, a push rod 62, a partition 63 and first compression springs 64, the movable groove 61 is formed in the opposite side surfaces of the two connecting frames 33, the screen plate 34 is slidably connected inside the movable groove 61, the partition 63 welded to the connecting frame 33 is disposed inside each of the two movable grooves 61, the push rod 62 is disposed inside the movable groove 61, one end of the push rod 62 slidably connected to the partition 63 is welded to the side wall of the screen plate 34, the first compression springs 64 are wound on the surface of the push rod 62 located between the partition 63 and the screen plate 34, the push plate 35 is pushed before printing to realize the movement of the push rod 62 toward the connecting plate 35, the first compression springs 64 are contracted, and when the push rod 62 slides out of the connecting frame 33, the push rod 62 slides toward the hole in the side wall of the connecting plate 35, to avoid the wire mesh sheet 34 from slipping.

Specifically, the pressure mechanism 7 includes a sleeve 71, a compression leg 72, a pull rod 73, a spring 74, an air bag 75 and a limit groove 76, the compression leg 72 in a hollow cylindrical structure is welded on the surface of the push rod 62, the sleeve 71 in a hollow cylindrical structure and with an opening on the side wall is welded in the movable groove 61, the push rod 62 is connected with the sleeve 71 in a sliding manner, the air bag 75 wound on the outer side of the push rod 62 is placed in the sleeve 71, the limit groove 76 is formed in the side wall of the sleeve 71 in an opposite manner, the pull rod 73 in a 7-shaped structure in the cross section is connected in a sliding manner in the limit groove 76, the spring 74 installed in the sleeve 71 is fixedly connected to the bottom of the pull rod 73, the top of the pull rod 73 is bonded with the air bag 75, one end of the compression leg 72 embedded in the sleeve 71 is abutted against the pull rod 73, when the push rod 62 moves towards the connecting plate 33, the pressure column 82 abuts against the pull rod 73 towards the inside of the sleeve 71, the pull rod 73 moves in the limiting groove 76, the air bag 75 is further deflated and exhausted by the pull rod 73, when the push plate 35 is moved away from the connecting plate 33, the spring 74 expands, and the pull rod 73 is reset to drive the air bag 75 to reset.

Specifically, the air blowing mechanism 4 includes air tubes 41, a support plate 42, air blowing tubes 43 and air holes 44, one ends of the two air bags 75, which are away from the pull rod 73, are both communicated with the air tubes 41, the two air tubes 41 penetrate through one end of the bottom of the connecting frame 33 and are communicated with the air blowing tubes 43, the air holes 44 are uniformly formed in the side walls of the air blowing tubes 43, the bottoms of the air blowing tubes 43 are mounted at the top of the support plate 42, the support plate 42 is fixed on the surface of the bottom plate 12, and when the air bags 75 are deflated, air flows are conveyed to the inside of the air tubes 41, so that the air tubes 41 convey the air flows to the inside of the air blowing tubes 43, and the air holes 44 uniformly discharge dust to a printed object or blow off water drops falling from the water spraying mechanism 8, and the printing is convenient.

Specifically, the discharging mechanism 5 includes a slide rail 51, a bolt 52, a slide groove 53 and two clamp plates 54, the slide rail 51 is relatively installed on the surface of the bottom plate 12, the slide groove 53 is relatively opened on the side surfaces of two ends of the slide rail 51, two clamp plates 54 are arranged on the opposite side walls of the two slide rails 51, the bolt 52 penetrates through one end of the slide groove 53 and is fixedly connected with the clamp plates 54, the top of the clamp plate 54 is flush with the top of the supporting plate 42, the printed object is placed between the two clamp plates 54 during discharging again, the distance between the two clamp plates 54 is adjusted through the slide groove 53, and the clamp plates 54 are further fixed through the bolt 52, so that the fixed printing of the printed object is realized.

Specifically, watering mechanism 8 includes water storage tank 81, pressure head 82, shower nozzle 83, slide bar 84, mounting panel 85, second pressure spring 86 and arch 87, and the side is down "U" shape structure the top inversion of link 33 is installed water storage tank 81, the bottom install be located the link 33 bottom shower nozzle 83, two shower nozzle 83 with the side parallel and level of link 33, the bottom is installed to shower nozzle 83's bottom is the slope setting pressure head 82, two the internally mounted of link 33 the mounting panel 85, slide bar 84 with sliding connection between the mounting panel 85, slide bar 84's one end with the bottom of pressure head 82 is contradicted, slide bar 84 deviates from the one end welding of pressure head 82 has the bottom to be the slope setting arch 87, the bottom of arch 87 with the fore-set 14 is contradicted, arch 87 with between the mounting panel 85 the surface winding of slide bar 84 second pressure spring 86, push down before the printing blowing link 33 has realized protruding 87 with the fore-set 14 is contradicted, because the fore-set 14 with the bottom of protruding 87 all is the slope setting, so the in-process that link 33 pushed down the fore-set 14 will protruding 87 is contradicted and is risen, slide bar 84 to the direction of connecting plate 32 removes, further realization slide bar 84 deviates from the one end of protruding 87 with pressure head 82 is contradicted, has finally realized pressure head 82 will go out the inside water of water pitcher 81 and spout the surface of silk screen board 34, and then avoid solidifying the coating in outdoor sunshine and influence the printing, gas pocket 44 can with the inside air current of trachea 41 blows to splint 54 the bottom of silk screen board 34 blows the water droplet, avoids the impression to print.

When the printing press is used, firstly, if the acrylic plate is printed outdoors at a higher temperature, the printing press carries the whole mechanism to the place of printing the outdoor advertising board with the acrylic plate, the connection frame 33 rotates along with the connection plate 32 on the surface of the rotating shaft 31 by pulling the push plate 35 to realize the increase of the angle between the bottom plate 12 and the connection frame 33, so that the fixing of the acrylic plate is convenient, the connection frame 33 is pressed down before printing and discharging to realize the collision between the protrusion 87 and the top column 14, because the top column 14 and the bottom of the protrusion 87 are both arranged in an inclined manner, the protrusion 87 is collided and lifted by the top column 14 in the process of pressing down the connection frame 33, the slide rod 84 moves towards the direction of the connection plate 32, and the collision between one end of the slide rod 84 deviating from the protrusion 87 and the pressure head 82 is further realized, finally, the water in the water outlet tank 81 is sprayed onto the surface of the wire mesh plate 34 by the pressure head 82, so that the coating is prevented from being solidified by sunlight outdoors to influence printing, the air holes 44 can blow the airflow in the air pipe 41 to the clamping plates 54, the bottom of the wire mesh plate 34 blows water drops, and the acrylic plate is prevented from being clamped between the two groups of clamping plates 54 in impression printing; then, the distance between the two clamping plates 54 is adjusted through the sliding groove 53, further printing of the acrylic board advertising boards with different widths is realized, the clamping plates 54 are fixed with the sliding rail 51 through the bolts 52, the connecting frame 33 is flatly pushed to the push plate 35 after the acrylic board is fixed, the screen plate 34 moves towards one end of the connecting plate 32, the pressing column 82 abuts against the pull rod 73 towards the inside of the sleeve 71 while the push rod 62 moves towards the connecting plate 33, the pull rod 73 moves inside the limiting groove 76, further, the pull rod 73 is realized to deflate and exhaust the air bag 75, when the push plate 35 is moved away from the connecting plate 33, the spring 74 is expanded, further, the pull rod 73 is reset to drive the air bag 75 to reset, and when the air bag 75 is deflated, air flow is conveyed to the inside the air pipe 41, further, the air pipe 41 conveys the air flow to the inside of the air blowing pipe 43, the air flow is uniformly discharged from the air hole 44 to clean ash of a printed object or blow off water drops falling off from the water spraying mechanism 8, the printing is convenient, and the acrylic plate is loosened by loosening the bolt 52 and taking out the clamping plate 54 after the printing is finished.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A screen printing machine characterized in that: comprises a supporting mechanism (1), a fixing mechanism (2), a printing mechanism (3), an air blowing mechanism (4), a material discharging mechanism (5), a pushing mechanism (6), a pressure mechanism (7) and a sprinkling mechanism (8); the top of the supporting mechanism (1) for realizing the supporting of the whole mechanism is provided with the fixing mechanism (2), the printing mechanism (3) is rotationally connected between the two fixing mechanisms (2), two inner side surfaces of the printing mechanism (3) are relatively connected with the pushing mechanism (6) in a sliding way, the surface of the pushing mechanism (6) is provided with the pressure mechanism (7), the surface of the supporting mechanism (1) is provided with the air blowing mechanism (4) positioned at the bottom of the printing mechanism (3), the blowing mechanism (4) is communicated with the pressure mechanism (7), the discharging mechanism (5) which is parallel to the blowing mechanism (4) is arranged on the surface of the supporting mechanism (1), the bottom of the printing mechanism (3) is provided with the sprinkling mechanism (8) which is abutted against the supporting mechanism (1);

the supporting mechanism (1) comprises a base (11), a bottom plate (12), a top plate (13) and a top column (14), the bottom of the fixing mechanism (2) is welded on the surface of the top plate (13), the bottom of the top plate (13) is welded on the side wall of the bottom plate (12), an L-shaped structure is formed between the bottom plate (12) and the top plate (13), the base (11) is welded at four corners of the bottom plate (12), and the two top columns (14) with the tops obliquely arranged are welded on the surface of the bottom plate (12);

the fixing mechanism (2) comprises a screw cap (21), connecting sleeves (22), a top sleeve (23) and screws (24), the screws (24) are welded to the top of the top plate (13) oppositely, the surfaces of the two screws (24) are in threaded connection with the screw cap (21) and the top sleeve (23), and the connecting sleeves (22) in sliding connection with the screws (24) are arranged between the top sleeve (23) and the connecting sleeves (22);

the printing mechanism (3) comprises a rotating shaft (31), connecting plates (32), connecting frames (33), a wire mesh plate (34) and a push plate (35), the rotating shaft (31) is rotatably connected between the two connecting sleeves (22), the connecting plates (32) are welded at the bottom of the rotating shaft (31), the two connecting frames (33) parallel to the bottom plate (12) are welded at the bottom of the connecting plates (32), the wire mesh plate (34) is connected with the inside of the two connecting frames (33) in a sliding manner, and the push plate (35) is welded at the top of the wire mesh plate (34);

the pushing mechanism (6) comprises movable grooves (61), push rods (62), partition plates (63) and first compression springs (64), the movable grooves (61) are formed in opposite side faces of the two connecting frames (33), the wire mesh plates (34) are connected to the insides of the movable grooves (61) in a sliding mode, the partition plates (63) welded with the connecting frames (33) are arranged inside the two movable grooves (61), the push rods (62) are arranged inside the movable grooves (61), one ends of the push rods (62) connected to the partition plates (63) in a sliding mode are welded to the side walls of the wire mesh plates (34), and the first compression springs (64) are wound on the surfaces of the push rods (62) located between the partition plates (63) and the wire mesh plates (34);

the pressure mechanism (7) comprises a sleeve (71), a compression leg (72), a pull rod (73), a spring (74), an air bag (75) and a limiting groove (76), the compression leg (72) which is of a hollow cylindrical structure is welded on the surface of the push rod (62), the sleeve (71) which is of a hollow cylindrical structure and is provided with an opening on the side wall is welded in the movable groove (61) relatively, the push rod (62) is connected with the sleeve (71) in a sliding manner, the air bag (75) which is wound on the outer side of the push rod (62) is placed in the sleeve (71), the limiting groove (76) is formed in the side wall of the sleeve (71) relatively, the pull rod (73) which is of a 7-shaped structure in the sliding connection section in the limiting groove (76), and the spring (74) which is installed in the sleeve (71) is fixedly connected to the bottom of the pull rod (73), the top of the pull rod (73) is bonded with the air bag (75), and one end of the compression column (72) embedded into the sleeve (71) is abutted against the pull rod (73);

the blowing mechanism (4) comprises air pipes (41), a supporting plate (42), air blowing pipes (43) and air holes (44), one ends of the two air bags (75) departing from the pull rod (73) are communicated with the air pipes (41), one ends of the two air pipes (41) penetrating through the bottom of the connecting frame (33) are communicated with the air blowing pipes (43), the air holes (44) are uniformly formed in the side wall of each air blowing pipe (43), the bottom of each air blowing pipe (43) is installed at the top of the supporting plate (42), and the supporting plate (42) is fixed on the surface of the bottom plate (12);

the discharging mechanism (5) comprises a sliding rail (51), a bolt (52), a sliding groove (53) and clamping plates (54), the sliding rail (51) is installed on the surface of the bottom plate (12) oppositely, the sliding groove (53) is formed in the side faces of two ends of the sliding rail (51) oppositely, the two clamping plates (54) are arranged on the opposite side walls of the two sliding rails (51), the bolt (52) penetrates through one end of the sliding groove (53) and is fixedly connected with the clamping plates (54), and the top of the clamping plates (54) is flush with the top of the supporting plate (42);

watering mechanism (8) include water storage tank (81), pressure head (82), shower nozzle (83), slide bar (84), mounting panel (85), second pressure spring (86) and arch (87), the side is down "U" shape structure the top of link (33) is invertd and is installed water storage tank (81), the bottom install be located link (33) bottom shower nozzle (83), two shower nozzle (83) with the side parallel and level of link (33), the bottom is installed to the bottom of shower nozzle (83) and is the slope setting pressure head (82), two the internally mounted of link (33) mounting panel (85), slide bar (84) with sliding connection between mounting panel (85), the one end of slide bar (84) with the bottom of pressure head (82) is contradicted, the one end welding that slide bar (84) deviates from pressure head (82) has bottom be slope setting arch (87), the bottom of arch (87) with fore-set (14) contradict, arch (87) with between mounting panel (85) the surface winding of slide bar (84) second pressure spring (86).