CN217648999U - Hydraulic control device for cotton baling machine - Google Patents

Abstract

The utility model relates to a hydraulic control device for cotton baling press belongs to the field of cotton baling press, it includes the organism, clamp plate and the pneumatic cylinder that is used for the control pressure board, the pneumatic cylinder sets up on the organism, vertical direction reciprocating motion is followed to the output of pneumatic cylinder, the clamp plate is connected with the output of pneumatic cylinder, set up on the organism with the chamber of placing of clamp plate looks adaptation, the intercommunication has the inlet pipe on the organism, the inlet pipe is linked together with placing the chamber, be equipped with the first clearance subassembly that is used for clearing up the clamp plate in the organism, first clearance subassembly sets up in the inlet pipe below. This application makes the clamp plate be difficult for carrying the cotton at the in-process of withdrawing for the cotton that is not by the compaction can carry out the secondary compression, thereby has improved the efficiency of this equipment to cotton compression packing.

Description

Hydraulic control device for cotton baling machine

Technical Field

The application relates to the field of cotton balers, in particular to a hydraulic control device for a cotton baler.

Background

The cotton press is also called a hydraulic cotton press, and is a device for compressing and packing loose materials such as cotton.

In the process of actual use, cotton is usually manually put into a machine, and then a hydraulic device is used for controlling a pressing plate to extrude and pack the cotton.

In view of the above-mentioned related art, the inventor found that in the actual use of the cotton press, the pressing plate is easy to stick to the cotton during the retracting process, thereby resulting in the defect of incomplete pressing.

SUMMERY OF THE UTILITY MODEL

In order to improve the packing efficiency of equipment, the application provides a hydraulic control device for a cotton packing machine.

The application provides a pair of hydraulic control device for cotton packing machine adopts following technical scheme:

the utility model provides a hydraulic control device for cotton baling press, includes organism, clamp plate and the pneumatic cylinder that is used for the control flap, the pneumatic cylinder sets up on the organism, vertical direction reciprocating motion is followed to the output of pneumatic cylinder, the clamp plate is connected with the output of pneumatic cylinder, set up on the organism with the chamber of placing of clamp plate looks adaptation, the intercommunication has the inlet pipe on the organism, the inlet pipe is linked together with placing the chamber, be equipped with the first clearance subassembly that is used for clearing up the clamp plate in the organism, first clearance subassembly sets up in the inlet pipe below.

Through adopting above-mentioned technical scheme, add man-hour to the cotton as needs, the cotton gets into from the inlet pipe and places the chamber in, the pneumatic cylinder starts to drive the clamp plate and removes towards the cotton this moment, compress the packing for the cotton, after the packing is accomplished, the pneumatic cylinder drives the clamp plate and removes towards the direction of keeping away from placing the chamber, first clearance subassembly is cleared up the surface of clamp plate this moment, make the cotton difficult adhesion on the clamp plate, make not fallen into again by the compacted cotton and place the chamber in, make things convenient for the clamp plate to carry out next compression to it, thereby make the packing efficiency of this equipment improve.

Preferably, first clearance subassembly includes auxiliary box and scraper blade, the auxiliary box sets up in the organism both sides, the clearance groove has been seted up along the horizontal direction in the auxiliary box, scraper blade sliding connection is in the clearance groove, be equipped with first spring between scraper blade and the clearance groove, the clearance hole has been seted up to corresponding clearance groove on the organism, the scraper blade extends and places the intracavity and inconsistent with the clamp plate.

Through adopting above-mentioned technical scheme, when needs clear up the clamp plate, the scraper blade stretches into and places the chamber, and under the effect of first spring, the scraper blade is contradicted all the time on the outer wall of clamp plate to the in-process that the clamp plate rises clears up the outer wall of clamp plate, makes the cotton of gluing on the clamp plate outer wall be difficult for being carried out and places the chamber, makes the cotton fall into again and places the chamber, and the convenience is carried out next compression to the cotton that is not compacted.

Preferably, a moving groove is formed in the auxiliary box in the horizontal direction, an auxiliary rod is connected to the moving groove in a sliding mode, the moving groove is communicated with the cleaning groove, the auxiliary rod extends into the cleaning groove and is connected with the scraper, a fixing rod is hinged to the auxiliary rod, a fixing groove is formed in the auxiliary box, and the fixing rod is arranged in the fixing groove.

Through adopting above-mentioned technical scheme, when needs cotton compression packing, operating personnel moves the auxiliary rod towards the direction of keeping away from the organism, and the auxiliary rod removes and drives the scraper blade and remove to the clearance groove in, and the dead lever is rotated towards the direction of keeping away from the organism again, makes dead lever and fixed slot looks chucking, accomplishes the fixed of scraper blade, and the clamp plate is difficult for producing the hindrance to the clamp plate to the scraper blade when compressing the packing to cotton, makes the scraper blade be difficult for direct and clamp plate contact simultaneously to the life of scraper blade has been prolonged.

Preferably, the side wall of the placing cavity is provided with a first yielding groove, the first yielding groove is communicated with the cleaning hole, a first rotating shaft is fixed on the inner wall of the first yielding groove, a baffle is rotatably connected to the first rotating shaft, and the baffle is matched with the cleaning hole.

Through adopting above-mentioned technical scheme, when this equipment compressed the packing to the cotton, the baffle blockked the clearance hole for the cotton is difficult for scattering to the clearance hole in, thereby makes things convenient for the scraper blade to stretch into from the clearance hole and places the intracavity.

Preferably, the baffle is provided with a second abdicating groove, the first rotating shaft is wound with a torsion spring, one end of the torsion spring is connected with the first rotating shaft, and the other end of the torsion spring is connected with the groove wall of the second abdicating groove.

Through adopting above-mentioned technical scheme, when the scraper blade cleared up the clamp plate, the baffle received the extrusion and towards placing intracavity portion and rotating, and the torsional spring was in compression state this moment, and after the scraper blade cleared up the clamp plate, during the scraper blade withdrawal clearance groove, under the effect of torsional spring this moment, baffle automatic re-setting blocked for the clearance hole provides, has reduced the cotton and has advanced in the picture clearance groove and influence the possibility that the scraper blade stretches out.

Preferably, the inner wall of placing the chamber has seted up the third groove of stepping down, the third groove of stepping down sets up at the first groove bottom of stepping down and is linked together with the first groove of stepping down, the inner wall in the third groove of stepping down is equipped with the second clearance subassembly that is used for clearing up the scraper blade.

Through adopting above-mentioned technical scheme, after the scraper blade is cleared up the clamp plate, operating personnel pulling auxiliary rod for in the scraper blade withdrawal clearance groove, the second clearance subassembly was cleared up the scraper blade this moment, makes the scraper blade be difficult for carrying the cotton and advances the picture clearance groove, thereby makes the cotton be difficult for blockking up the clearance groove, and then has prevented losing the scraper blade and clear up the clamp plate.

Preferably, the second cleaning assembly comprises a cleaning plate, a sliding groove is formed in the cleaning plate, a sliding block is connected to the sliding groove in a sliding mode, bristles are arranged on one side, away from the cleaning plate, of the sliding block, the bristles are abutted to the baffle, and a second spring is arranged between the sliding block and the sliding groove.

Through adopting above-mentioned technical scheme, when the in-process that the scraper blade withdrawed, under the effect of second spring, the brush hair is inconsistent with the outer wall of scraper blade all the time to clear up for the scraper blade, make the cotton difficult be carried to the clearance groove by the scraper blade in, reduced the cotton and blockked up the possibility in clearance groove, thereby made things convenient for the scraper blade to clear up the clamp plate.

Preferably, the inner wall of the third abdicating groove is provided with a clamping jaw, the cleaning plate is provided with a clamping hole corresponding to the clamping jaw, and the clamping jaw is arranged in the clamping hole in a penetrating manner and is clamped with the cleaning plate.

By adopting the technical scheme, when the cleaning plate needs to be installed, an operator aligns the clamping hole of the cleaning plate with the clamping jaw and then clamps the cleaning plate into the clamping hole to be cleaned, the clamping jaw extends out of the clamping hole and is tightly abutted against the cleaning plate, and the cleaning plate is installed at the moment; when the brush is worn to a large extent and needs to be replaced, an operator presses the clamping jaw, and then the cleaning plate is moved towards the direction away from the inner wall of the cavity, so that the cleaning plate can be detached, and the cleaning plate can be detached and mounted conveniently.

Preferably, the material receiving opening has been seted up to the organism lateral wall, it has the door plant to articulate on the material receiving opening, it rotates near the bottom of material receiving opening one end to place the chamber and is connected with the second pivot, be connected with row flitch in the second pivot, it drives through drive assembly to arrange the flitch, drive assembly includes driving motor and drive gear, driving motor sets up in the organism outside, drive gear and driving motor's output coaxial coupling, the second pivot extends the organism and coaxial fixed has drive gear, drive gear meshes with drive gear mutually.

Through adopting above-mentioned technical scheme, after the clamp plate is accomplished cotton compression packing, operating personnel opens the door plant, start driving motor this moment, driving motor rotates and drives drive gear and rotate, drive gear rotates and drives the pivot and rotate, the pivot drives row flitch orientation and keeps away from the direction rotation of organism to make the cotton automatic discharge organism after the packing is accomplished, provide convenience for collecting the cotton that the packing was accomplished.

Preferably, an auxiliary groove is formed in one side, far away from the door plate, of the discharging plate in the horizontal direction, an auxiliary plate is connected in the auxiliary groove in a sliding mode, a third spring is arranged between the auxiliary plate and the auxiliary groove, and the auxiliary plate is abutted to the inner wall of the placing cavity.

Through adopting above-mentioned technical scheme, when compressing the packing to the cotton, under the effect of third spring, the accessory plate is inconsistent with the inner wall of placing the chamber all the time for the cotton is difficult for scattering to arrange the flitch and place in the clearance of intracavity wall, thereby has improved the packing efficiency of this equipment to the cotton.

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

by arranging the first cleaning assembly, the pressing plate is cleaned in the process of withdrawing the pressing plate, so that cotton is not easy to adhere to the pressing plate, and the pressing plate can conveniently perform secondary compression on the residual cotton;

the second cleaning assembly is arranged for cleaning the scraping plate, so that cotton is not easily adhered in the process of withdrawing the scraping plate;

through setting up row flitch and drive arrangement, accomplish the back when this equipment is packed the cotton, drive arrangement drive row flitch rotates, and the convenience is collected the cotton that packs.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural diagram for showing a positional relationship between an auxiliary box and a machine body according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram for showing a positional relationship between a first cleaning assembly and a second cleaning assembly according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram for embodying a driving assembly according to an embodiment of the present application;

fig. 5 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a body; 11. pressing a plate; 12. a hydraulic cylinder; 13. a placement chamber; 14. a feed pipe; 15. a feeding box; 16. cleaning the holes; 17. a first abdicating groove; 171. a first rotating shaft; 172. a baffle plate; 173. a second abdicating groove; 174. a torsion spring; 18. a third abdicating groove; 181. a claw; 2. a first cleaning assembly; 21. an auxiliary tank; 211. cleaning the tank; 212. a first spring; 213. a moving groove; 214. an auxiliary lever; 215. fixing the rod; 216. fixing grooves; 22. a squeegee; 3. a second cleaning assembly; 31. cleaning the plate; 32. a sliding groove; 33. a slider; 34. brushing; 35. a second spring; 36. clamping holes; 4. a material receiving port; 41. a door panel; 42. a second rotating shaft; 43. a discharge plate; 44. an auxiliary groove; 45. an auxiliary plate; 46. a third spring; 5. a drive assembly; 51. a drive motor; 52. a drive gear; 53. a transmission gear.

Detailed Description

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

The embodiment of the application discloses hydraulic control device for cotton baling press. Referring to fig. 1 and 2, a hydraulic control device for a cotton packing machine, including a machine body 1, a pressing plate 11 and a hydraulic cylinder 12 for controlling the pressing plate 11 to reciprocate, in this embodiment, the direction perpendicular to the ground is a vertical direction, the direction parallel to the ground is a horizontal direction, the hydraulic cylinder 12 is fixed on the machine body 1 and the output end of the hydraulic cylinder 12 reciprocates along the vertical direction, the pressing plate 11 is fixed with the output end of the hydraulic cylinder 12, a placing cavity 13 for placing cotton is provided on the machine body 1, the pressing plate 11 is adapted to the placing cavity 13, a first cleaning assembly 2 for cleaning the pressing plate 11 is provided in the placing cavity 13, after the pressing plate 11 extrudes the cotton, in the process that the pressing plate 11 is retracted, the first cleaning assembly 2 cleans the surface of the pressing plate 11, so that the non-compacted cotton falls into the placing cavity 13 again, thereby making the pressing plate 11 not easy to adhere to the cotton, and facilitating the pressing plate 11 to perform secondary compression on the non-compacted cotton, thereby improving the packing efficiency of the cotton packing equipment.

Referring to fig. 2, the machine body 1 is communicated with a feeding pipe 14, the feeding pipe 14 is communicated with the placing cavity 13, and one end of the feeding pipe 14, which is far away from the machine body 1, is communicated with a feeding box 15, so that materials can be conveniently conveyed into the placing cavity 13.

And one end of the feeding pipe 14 close to the machine body 1 is arranged to be inclined downwards compared with the end far away from the machine body 1, so that cotton entering the placing cavity 13 is not easy to accumulate in the feeding pipe 14 to cause blockage of the feeding pipe 14.

Referring to fig. 2, first clearance subassembly 2 includes auxiliary box 21 and scraper blade 22, auxiliary box 21 is two and fixes respectively in the both sides of organism 1, clearance groove 211 has been seted up along the horizontal direction in the auxiliary box 21, scraper blade 22 sliding connection is in clearance groove 211, be equipped with first spring 212 between scraper blade 22 and the clearance groove 211, first spring 212 provides the support for scraper blade 22, make scraper blade 22 difficult with the separation of clearance groove 211, clearance hole 16 has been seted up to the last corresponding clearance groove 211 of organism 1, scraper blade 22 stretches into from clearance hole 16 and places the intracavity 13 and inconsistent with clamp plate 11.

In-process that withdraws at clamp plate 11, under the effect of first spring 212, scraper blade 22 is inconsistent with the outer wall of clamp plate 11 all the time to clear up the outer wall of clamp plate 11, make sticky cotton on the clamp plate 11 fall to placing in the chamber 13, thereby make things convenient for clamp plate 11 to carry out the secondary compression to not by the compacted cotton, thereby improved the efficiency of this equipment compression cotton.

Referring to fig. 2, a moving groove 213 is formed in the auxiliary box 21 along the horizontal direction, an auxiliary rod 214 is slidably connected to the moving groove 213, the moving groove 213 is communicated with the cleaning groove 211, the auxiliary rod 214 extends into the cleaning groove 211 and is connected to the scraper 22, a fixing rod 215 is hinged to the auxiliary rod 214, a fixing groove 216 is formed in the auxiliary box 21, the fixing rod 215 is disposed in the fixing groove 216 and is tightly clamped to the fixing groove 216, when cotton needs to be compressed, an operator pulls the auxiliary rod 214 in a direction away from the machine body 1, the auxiliary rod 214 drives the scraper 22 to move in a certain direction away from the machine body 1, and then the fixing rod 215 is rotated in a direction away from the machine body 1, so that the fixing rod 215 is tightly clamped to the fixing groove 216, and the scraper 22 is retracted into the cleaning groove 211, which facilitates compression of the cotton by the pressing plate 11.

Referring to fig. 2 and 3, place the chamber 13 inner wall and seted up the first groove 17 of stepping down, the first groove 17 of stepping down is linked together with clearance hole 16, the first inner wall that steps down 17 is fixed with first pivot 171, it is connected with baffle 172 to rotate on the first pivot 171, baffle 172 and clearance hole 16 looks adaptation, when clamp plate 11 compresses the cotton, baffle 172 blocks clearance hole 16, make the cotton be difficult for scattering to auxiliary tank 21 in, thereby reduced the influence that the scraper blade 22 is flexible by oneself.

Referring to fig. 3, the baffle 172 is provided with a second receding groove 173, the rotating shaft is wound with a torsion spring 174, one end of the torsion spring 174 is fixed to the first rotating shaft 171, the other end of the torsion spring is fixed to the inner wall of the second receding groove 173, the torsion spring 174 provides support for the baffle 172, the blocking effect of the cleaning hole 16 of the baffle 172 is strengthened, and meanwhile, convenience is provided for automatic resetting of the baffle 172.

Referring to fig. 3, the inner wall of the placing cavity 13 is provided with a third yielding groove 18, the third yielding groove 18 is arranged below the first yielding groove 17, the third yielding groove 18 is communicated with the first yielding groove 17, the third yielding groove 18 is detachably provided with a second cleaning assembly 3, the second cleaning assembly 3 provides cleaning when the scraping plate 22 is retracted into the cleaning groove 211, and the scraping plate 22 is not easy to carry cotton to enter the cleaning groove 211 to cause blockage of the cleaning groove 211.

Referring to fig. 3, the second cleaning assembly 3 includes the cleaning plate 31, the cleaning plate 31 has been seted up along vertical direction sliding tray 32, be equipped with slider 33 in the sliding tray 32, one side that the slider 33 keeps away from the cleaning plate 31 is equipped with the brush hair 34, brush hair 34 is inconsistent with baffle 172, when the cleaning tray 211 was withdrawed to scraper 22, brush hair 34 cleared up the surface of scraper 22 for it is difficult for glutinous cotton to link on the scraper 22, thereby has reduced the possibility that cleaning tray 211 blockked up. And be equipped with second spring 35 between slider 33 and the sliding tray 32, second spring 35 provides the support for slider 33 is difficult for the slider 33 with clearance board 31 separation, makes brush hair 34 all the time inconsistent with the surface of scraper blade 22 simultaneously, makes brush hair 34 also clear up scraper blade 22 when taking place wearing and tearing, has further reduced the possibility that clearance groove 211 blockked up.

Referring to fig. 3, a clamping jaw 181 is fixed in the third abdicating groove 18, a clamping hole 36 is formed in the cleaning plate 31 corresponding to the clamping jaw 181, the clamping jaw 181 penetrates through the clamping hole 36 and is clamped with the cleaning plate 31, when the cleaning plate 31 needs to be installed, an operator aligns the clamping hole 36 with the clamping jaw 181 and then clamps the clamping jaw 181 into the cleaning plate 31, so that the clamping jaw 181 is clamped with the cleaning plate 31, and the cleaning plate 31 and the clamping jaw 181 can be fixed; when needs are changed clearance board 31, operating personnel presses jack catch 181, and the tank bottom orientation pulling clearance board 31 of keeping away from second groove 173 of stepping down is moved towards again, can change clearance board 31 to installation and dismantlement for clearance board 31 provide convenience.

Referring to fig. 1 and 2, material receiving port 4 has been seted up to 1 lateral wall of organism, it has door plant 41 to articulate on the material receiving port 4, door plant 41 is fixed mutually with organism 1 through the bolt, it is connected with second pivot 42 to place the bottom rotation that chamber 13 is close to door plant 41 one side, be fixed with row flitch 43 in the second pivot 42, row flitch 43 passes through drive assembly 5 drive, drive assembly 5 is connected with second pivot 42, after clamp plate 11 will buy the compression completion, operating personnel opens door plant 41, restart drive assembly 5, drive assembly 5 drives row flitch 43 and removes towards the direction of keeping away from organism 1, the cotton after the compression is conveniently collected, the material receiving efficiency of this equipment has been improved.

Referring to fig. 1 and 4, the driving assembly 5 includes a driving motor 51 and a driving gear 52, the second rotating shaft 42 extends out of the machine body 1 and is coaxially fixed with a transmission gear 53, the driving motor 51 is disposed outside the machine body 1, the driving gear 52 is coaxially fixed with an output end of the driving motor 51, and the driving gear 52 is engaged with the transmission gear 53.

When the cotton that packs is collected to needs, operating personnel opens door plant 41, start driving motor 51 this moment, driving motor 51 drives drive gear 52 and rotates, drive gear 52 drives drive gear 53 and rotates, drive gear 53 rotates and drives second pivot 42 and rotate, second pivot 42 drives row flitch 43 and removes and will pack the cotton of accomplishing from receiving port 4 discharge organism 1 towards the direction of keeping away from organism 1 to cotton for packing the completion is collected provides convenience.

Referring to fig. 3 and 5, an auxiliary groove 44 is formed in the horizontal direction on the side of the discharging plate 43 away from the door plate 41, an auxiliary plate 45 is connected in the auxiliary groove 44 in a sliding manner, a third spring 46 is arranged between the auxiliary plate 45 and the auxiliary groove 44, and the third spring 46 provides support for the auxiliary plate 45, so that the auxiliary plate 45 is not easy to separate from the auxiliary groove 44, meanwhile, the auxiliary plate 45 is used to be in contact with the inner wall of the placing cavity 13, and the possibility that cotton is scattered to a gap between the discharging plate 43 and the placing cavity 13 is reduced.

The implementation principle of the hydraulic control device for the cotton baling machine in the embodiment of the application is as follows: when needs compress the packing to the cotton, operating personnel starts hydraulic cylinder 12, make clamp plate 11 compress the cotton of placing in the chamber 13, when the in-process that clamp plate 11 withdrawed, scraper blade 22 extends to and places in the chamber 13 and inconsistent with the outer wall of clamp plate 11, clear up for the outer wall of clamp plate 11, make the cotton of gluing on clamp plate 11 fall into and place chamber 13, make things convenient for clamp plate 11 to carry out the secondary compression to the cotton that does not compact, reduced the cotton possibility of gluing on clamp plate 11.

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

Claims (9)

1. The utility model provides a cotton baling press is with hydraulic control device which characterized in that: including organism (1), clamp plate (11) and pneumatic cylinder (12) that are used for controlling clamp plate (11), pneumatic cylinder (12) set up on organism (1), vertical direction reciprocating motion is followed to the output of pneumatic cylinder (12), clamp plate (11) are connected with the output of pneumatic cylinder (12), set up on organism (1) with placing chamber (13) of clamp plate (11) looks adaptation, the intercommunication has inlet pipe (14) on organism (1), inlet pipe (14) are linked together with placing chamber (13), be equipped with first clearance subassembly (2) that are used for clearing up clamp plate (11) in organism (1), first clearance subassembly (2) set up in inlet pipe (14) below.

2. The hydraulic control device for the cotton baler of claim 1, wherein: first clearance subassembly (2) include auxiliary box (21) and scraper blade (22), auxiliary box (21) set up in organism (1) both sides, clearance groove (211) have been seted up along the horizontal direction in auxiliary box (21), scraper blade (22) sliding connection is in clearance groove (211), be equipped with first spring (212) between scraper blade (22) and clearance groove (211), clearance hole (16) have been seted up to corresponding clearance groove (211) on organism (1), scraper blade (22) extend to place in chamber (13) and inconsistent with clamp plate (11).

3. The hydraulic control device for the cotton baler of claim 2, wherein: place and seted up first groove (17) of stepping down on the lateral wall in chamber (13), first groove (17) of stepping down is linked together with clearance hole (16), the inner wall of first groove (17) of stepping down is fixed with first pivot (171), it is connected with baffle (172) to rotate on first pivot (171), baffle (172) and clearance hole (16) looks adaptation.

4. A hydraulic control apparatus for a cotton baler according to claim 3, characterised in that: the baffle (172) is provided with a second abdicating groove (173), the first rotating shaft (171) is provided with a torsion spring (174), one end of the torsion spring (174) is connected with the first rotating shaft (171), and the other end of the torsion spring is connected with the groove wall of the second abdicating groove (173).

5. The hydraulic control device for the cotton baler of claim 4, wherein: the inner wall of placing chamber (13) has seted up third groove (18) of stepping down, third groove (18) of stepping down set up in first groove (17) bottom of stepping down and be linked together with first groove (17) of stepping down, the inner wall of third groove (18) of stepping down is equipped with second clearance subassembly (3) that are used for clearing up scraper blade (22).

6. The hydraulic control device for the cotton baler of claim 5, wherein: second clearance subassembly (3) are including clearance board (31), sliding tray (32) have been seted up on clearance board (31), sliding connection has slider (33) in sliding tray (32), one side that clearance board (31) were kept away from in slider (33) is equipped with brush hair (34), brush hair (34) are inconsistent with baffle (172), be equipped with second spring (35) between slider (33) and sliding tray (32).

7. The hydraulic control device for the cotton baler of claim 6, wherein: the inner wall of third groove (18) of stepping down is equipped with jack catch (181), clearance plate (31) correspond jack catch (181) and have seted up card hole (36), jack catch (181) wear to establish in card hole (36) and with clearance plate (31) chucking mutually.

8. The hydraulic control device for the cotton baler of claim 7, wherein: material receiving opening (4) have been seted up to organism (1) lateral wall, it has door plant (41) to articulate on material receiving opening (4), it is connected with second pivot (42) to place the bottom rotation that chamber (13) is close to material receiving opening (4) one end, be connected with row flitch (43) on second pivot (42), it drives through drive assembly (5) to arrange flitch (43), drive assembly (5) are including driving motor (51) and drive gear (52), driving motor (51) set up in organism (1) outside, drive gear (52) and the output coaxial coupling of driving motor (51), second pivot (42) extend organism (1) and coaxial fixation have drive gear (53), drive gear (53) and drive gear (52) mesh mutually.

9. The hydraulic control device for the cotton baler of claim 8, wherein: auxiliary groove (44) have been seted up along the horizontal direction to one side of arranging flitch (43) and keeping away from door plant (41), sliding connection has auxiliary plate (45) in auxiliary groove (44), be equipped with third spring (46) between auxiliary plate (45) and auxiliary groove (44), auxiliary plate (45) are inconsistent with the inner wall of placing chamber (13).

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