阅读说明：本技术 一种柔性自回位绕齿式自动卸膜机构 (Flexible self-return winding-tooth type automatic film unloading mechanism ) 是由 陈红梅 赵晨阳 刘晓丽 陈娟 马鹏程 马进 王亚茹 马明义 赵新平 于 2021-07-30 设计创作，主要内容包括：一种柔性自回位绕齿式自动卸膜机构,包括机架,机架上设置驱动装置,驱动装置的两端分别与卷膜辊的两端连接,卷膜辊由相互活动配合的左卷膜辊和右卷膜辊组成,卷膜辊上设置若干柔性自回位绕齿装置,卷膜辊的一端设置外挂链轮组,卷膜辊两侧套装退膜装置,退膜装置固定安装在机架上,驱动装置工作时,卷膜辊的左卷膜辊和右卷膜辊随着驱动装置分离移动,卷膜辊上柔性自回位绕齿与退膜装置配合实现卷膜辊上的膜自动脱落。本发明提供可沿卷膜辊轴向倾斜的柔性自回位绕齿装置实现绕齿的自保护,配合退膜盘,通过液压推动的滑管臂带动内套向外侧移动,退膜盘将膜的从锥形栅条式卷膜辊上自动卸下,缩短卸膜时间,提高工作效率。(The utility model provides a flexible is from return around tooth formula automatic film unloading mechanism, which comprises a frame, set up drive arrangement in the frame, drive arrangement's both ends are connected with the both ends of rolling up the membrane roller respectively, it comprises left roll of membrane roller and right roll of membrane roller of mutual clearance fit to roll up the membrane roller, it winds tooth device from the return to set up a plurality of flexibilities on the roll of membrane roller, the one end of rolling up the membrane roller sets up external sprocket group, roll up membrane roller both sides suit and move back the membrane device, it installs fixedly in the frame to move back the membrane device, drive arrangement during operation, the left roll of membrane roller and the right roll of membrane roller roll of rolling up the membrane roller move along with drive arrangement separation, it realizes that the membrane on the roll of membrane roller drops automatically to roll up the membrane from the return around tooth and the cooperation of the membrane device. The invention provides a flexible self-return winding gear device capable of inclining along the axial direction of a film winding roller, which can realize self protection of winding teeth, and is matched with a film withdrawing disc, an inner sleeve is driven by a sliding pipe arm pushed by hydraulic pressure to move outwards, the film is automatically unloaded from a conical grid type film winding roller by the film withdrawing disc, the film unloading time is shortened, and the working efficiency is improved.)

1. The utility model provides a flexible is from tooth-wound formula automatic membrane unloading mechanism of return, includes the frame, its characterized in that: set up drive arrangement on frame (1), drive arrangement's both ends are connected with the both ends of rolling up the membrane roller respectively, it comprises mutual clearance fit's left side rolling up membrane roller and right side rolling up membrane roller to roll up the membrane roller, it winds tooth device from the return to set up a plurality of flexibilities on the rolling up membrane roller, the one end of rolling up the membrane roller sets up external sprocket group, it moves back the membrane device to roll up membrane roller both sides suit, it installs fixedly in frame (1) to move back the membrane device, drive arrangement during operation, the left side rolling up membrane roller and the right side rolling up membrane roller of rolling up the membrane roller move along with the drive arrangement separation, it realizes that the membrane on the rolling up membrane roller drops automatically from the return to wind the tooth and the cooperation of back membrane device on the rolling up membrane roller.

2. The flexible self-return tooth-winding type automatic film unloading mechanism according to claim 1, characterized in that: roll up the membrane roller for toper grid bar formula roll up the membrane roller, a left side roll up the membrane roller and the right side roll up the membrane roller respectively through inner joint (25) and outer joint (27) clearance fit each other, including roll up membrane roller (10), long winding stem (11), short winding stem (12), prop dish (14), set up a plurality of flexibility from the return around the tooth device on roll membrane roller (10), it is a plurality of prop dish (14) and set up on roll membrane roller (10), long winding stem (11) and short winding stem (12) interval set up on propping dish (14), long winding stem (11) and short winding stem (12) are by outside to inboard formation toper.

3. The flexible self-return tooth-winding type automatic film unloading mechanism according to claim 1 or 2, characterized in that: the flexible self-return tooth winding device comprises film winding teeth (13), and the film winding teeth (13) are arranged in holes in a film winding roll shaft (10) of the film winding roll through a return spring seat (33) and a return spring (34).

4. The flexible self-return tooth-winding type automatic film unloading mechanism according to claim 3, characterized in that: set up around membrane toothholder (35) around membrane tooth (13) lower extreme, suit return spring (34) on return spring seat (33), it installs downthehole on rolling up membrane roller (10) through around membrane toothholder (35), return spring seat (33), return spring (34) and nut (26) to wind membrane tooth (13), set up wire rope (32) through tight set screw (28) around membrane tooth (13) lower part, wire rope (32) pass return spring seat (33), return spring (34) and are connected with lock cap (29), lock cap (29) and return spring seat (33) cooperation.

5. The flexible self-return tooth-winding type automatic film unloading mechanism according to claim 1 or 4, characterized in that: drive arrangement includes pulley mounting bracket (2), pulley (3), slide tube arm (21), slide tube (23), hydro-cylinder (22), pulley mounting bracket (2) set up in frame (1) lower part, and install on pulley mounting bracket (2) a plurality of pulley (3), slide tube (23) set up between pulley (3), slide tube arm (21) front end is connected with slide tube (23), two the film roller both ends are connected respectively to the rear end of slide tube arm (21), hydro-cylinder (22) inner is fixed in frame (1) below, and the outer end is connected with slide tube (23) outer end.

6. The flexible self-return tooth-winding type automatic film unloading mechanism according to claim 1, characterized in that: move back the membrane device including moving back membrane dish (15), overcoat (20) and endotheca (30) suit, move back membrane dish (15) and set up in the annular that moves back membrane dish gyro wheel (16) formed, move back membrane dish gyro wheel (16) equipartition and install on moving back membrane dish fixed disk (17), move back membrane dish fixed disk (17) and install on the wheel hub that moves back membrane dish (15), move back membrane dish fixed disk (17) through hanging wheel round pin axle (9) fixed mounting on overcoat (20), overcoat (20) fixed mounting is on frame (1), move back and open the corresponding hole that has the roll membrane roller to pass on membrane dish (15), it blocks the membrane on the roll membrane roller and realizes that the membrane drops automatically to move back the hole on membrane dish (15).

7. The flexible self-return tooth-winding type automatic film unloading mechanism according to claim 6, characterized in that: the combination of the long winding rod (11), the short winding rod (12) and the support disc (14) is in a cross shape, and a hole in the middle of the film withdrawing disc (15) corresponds to the conical grid strip type winding roller and is in a cross shape.

8. The flexible self-return tooth-winding type automatic film unloading mechanism according to claim 6 or 7, characterized in that: an outer hanging wheel supporting disk (8) is fixedly arranged on the inner side of the outer sleeve (20), and the outer hanging wheel supporting disk (8) is connected with a film withdrawing disk fixing disk (17) through outer hanging wheel pin shafts (9) which are uniformly distributed on the circumference.

9. The flexible self-return tooth-winding type automatic film unloading mechanism according to claim 8, characterized in that: inner sleeve plugs (31) are arranged at two ends of the inner sleeve (30), and the inner sleeve plugs (31) are fixedly installed on the outer portion, close to the film rolling roller shaft (10).

10. The flexible self-return tooth-winding type automatic film unloading mechanism according to claim 9, characterized in that: the externally-hung chain wheel set comprises an externally-hung chain wheel (4), a driving deflector rod (6), a chain wheel fixing sleeve (36), an externally-hung chain wheel supporting disk (37) and a chain wheel fixing sleeve roller (7), wherein the chain wheel fixing sleeve (36) is installed on an inner sleeve (30) and leans on the outer end, the externally-hung chain wheel (4) is installed at the outer end of the chain wheel fixing sleeve (36), the driving deflector rod (6) is vertically installed on the outer end face of the externally-hung chain wheel (4) and corresponds to a driven deflector rod (5), the driven deflector rod (5) is arranged on the circular end face of an inner sleeve plug (31) which leans on the outer side, the chain wheel fixing sleeve (36) is located in a groove of the chain wheel fixing sleeve roller (7), the externally-hung chain wheel supporting disk (37) is installed on an outer sleeve (20), and the chain wheel fixing sleeve roller (7) is installed on the end face of the externally-hung chain wheel supporting disk (37).

Technical Field

The invention relates to the field of agricultural machinery residual film recycling machinery, in particular to a flexible self-return tooth-winding type automatic film unloading mechanism.

Background

After the mechanical residual film recycling technology has been developed for decades, various types of residual film pick-up machines have been formed. Under the large background of environmental protection and waste film recycling, the mulching film is recycled more efficiently and cleanly, so that a new technical problem is solved. Most machines can pick up the residual film from the ground surface and can wind the residual film on a film winding roller. Adopt cylindrical roll membrane roller, roll up the membrane and lift off from the roller, adopt artifical very hard time-consuming, adopt conical roll membrane roller, the membrane book can be tighter after more when moving back the membrane, also can lead to artifical unloading membrane hard time-consuming, when adopting hydraulic pressure to unload the membrane, because of the rigidity film picking tooth reason, hydraulic pressure unloads the membrane and also has the membrane ring festival that unloads many, the inefficiency problem.

Disclosure of Invention

The invention aims to solve the technical problem of providing a flexible self-return tooth-winding type automatic film unloading mechanism, which ensures that a film winding tooth does not need to be disassembled when unloading a film, does not cause rigid damage, and can automatically unload a residual film roll tightly wound on a film winding roller in a labor-saving and more convenient manner.

The technical scheme is as follows for solving the technical problem of the invention:

the utility model provides a flexible is from return around tooth formula automatic film unloading mechanism, includes the frame, set up drive arrangement in the frame, drive arrangement's both ends are connected with the both ends of roll film roller respectively, the roll film roller comprises mutual clearance fit's left roll film roller and right roll film roller, set up a plurality of flexibility from the return around tooth device on the roll film roller, the one end of roll film roller sets up external sprocket group, roll film roller both sides suit and move back the membrane device, it installs fixed mounting in the frame to move back the membrane device, drive arrangement during operation, the left roll film roller and the right roll film roller of roll film roller move along with drive arrangement separation, it realizes that the membrane on the roll film roller drops automatically from the return around the tooth and the cooperation of moving back the membrane device on the roll film roller to be flexible.

The film winding roller is a conical grid strip type film winding roller, the left film winding roller and the right film winding roller are movably matched with each other through an inner joint and an outer joint respectively and comprise film winding roller shafts, long winding rods, short winding rods and supporting discs, a plurality of flexible self-return tooth winding devices are arranged on the film winding roller shafts, the supporting discs are arranged on the film winding roller shafts, the long winding rods and the short winding rods are arranged on the supporting discs at intervals, and the long winding rods and the short winding rods are conical from the outer side to the inner side.

The flexible self-return tooth winding device comprises film winding teeth, and the film winding teeth are installed in holes in a film winding roll shaft of the film winding roll through a return spring seat and a return spring.

The film winding gear is characterized in that a film winding gear seat is arranged at the lower end of the film winding gear, a return spring is sleeved on the return spring seat, the film winding gear is installed in a hole in a film winding roller shaft through the film winding gear seat, the return spring and a nut, a steel wire rope is arranged on the lower portion of the film winding gear through a tightening screw rod, the steel wire rope penetrates through the return spring seat and the return spring to be connected with a lock cap, and the lock cap is matched with the return spring seat.

The driving device comprises a pulley mounting frame, pulleys, a sliding pipe arm, a sliding pipe and an oil cylinder, wherein the pulley mounting frame is arranged at the lower part of the frame, the pulleys are mounted on the pulley mounting frame, the sliding pipe is arranged between the pulleys, the front end of the sliding pipe arm is connected with the sliding pipe, the two ends of the film rolling roller are respectively connected with the rear end of the sliding pipe arm, the inner end of the oil cylinder is fixed below the frame, and the outer end of the oil cylinder is connected with the outer end of the sliding pipe.

The film withdrawing device comprises a film withdrawing disc, an outer sleeve and an inner sleeve, wherein the outer sleeve and the inner sleeve are sleeved, the film withdrawing disc is arranged in an annular formed by film withdrawing disc rollers, the film withdrawing disc rollers are uniformly distributed and mounted on a film withdrawing disc fixed disc, the film withdrawing disc fixed disc is mounted on a wheel hub of the film withdrawing disc, the film withdrawing disc fixed disc is fixedly mounted on the outer sleeve through an externally-hung wheel pin shaft, the outer sleeve is fixedly mounted on a rack, corresponding holes through which film rolling roller shafts penetrate are formed in the film withdrawing disc, and the holes in the film withdrawing disc block films on the film rolling rollers to realize automatic film falling.

The long winding rod, the short winding rod and the support disc are combined into a cross shape, and the middle opening of the film withdrawing disc corresponds to the conical grid strip type winding roller and is in the cross shape.

An outer change gear supporting disk is fixedly arranged on the inner side of the outer sleeve and connected with a film withdrawing disk fixing disk through externally-hung wheel pin shafts which are uniformly distributed on the circumference.

The inner sleeve plugs are arranged at two ends of the inner sleeve and fixedly installed outside the film rolling roller shaft.

The external chain wheel set comprises an external chain wheel, a driving lever, an external chain wheel supporting disk of a chain wheel fixing sleeve and a chain wheel fixing sleeve roller, the chain wheel fixing sleeve is arranged on the inner sleeve and close to the outer end, the external chain wheel is arranged at the outer end of the chain wheel fixing sleeve, the driving lever is vertically arranged on the outer end face of the external chain wheel and corresponds to the driven driving lever, the driven driving lever is arranged on the circular end face of the inner sleeve plug close to the outer side, the chain wheel fixing sleeve is located in a groove of the chain wheel fixing sleeve roller, the external chain wheel supporting disk is arranged on the outer sleeve, and the chain wheel fixing sleeve roller is arranged on the end face of the external chain wheel supporting disk.

The flexible self-return film winding device is adopted, the winding teeth can be inclined along the axial direction of the film winding roller when being subjected to the resistance of the film winding device in the film unwinding process, and the winding teeth can return to the vertical working position of the film winding roller under the action of the steel wire rope and the return spring when not being stressed. The conical grid-bar type winding roller is combined with the film withdrawing disc with the cross hole, when the winding roller moves outwards, the end face of the film withdrawing disc pushes the film roller between the adjacent winding rods from one end with a large diameter to one end with a small diameter along the conical winding roller, and power is saved. The mode that the external chain wheel, the external wheel supporting plate, the film withdrawing plate fixing plate and the roller are matched is adopted, the film rolling roller can move outwards under the pushing of the sliding arm combination under the condition that the chain transmission is not changed, and the film rolling roller is convenient and fast.

Drawings

FIG. 1 is a rear isometric view of the present invention;

FIG. 2 is a front isometric view of the present invention;

FIG. 3 is a front view of a tapered grid type film winding roll according to the present invention;

FIG. 4 is a cross-sectional view of a tapered grid type film winding roll according to the present invention;

fig. 5 is a cross-sectional view of the flexible self-return tooth winding device of the present invention.

In the figure: 1-frame 2-pulley mounting rack 3-pulley 4-external sprocket 5-passive deflector rod 6-driving deflector rod 7-sprocket fixed sleeve roller 8-external wheel supporting disk 9-external wheel pin shaft 10-film winding roller shaft 11-long winding rod 12-short winding rod 13-film winding tooth 14-supporting disk 15-film unwinding disk 16-film unwinding disk roller 17-film unwinding disk fixed disk 18-outer sleeve supporting seat plate 19-bearing seat 20-outer sleeve 21-sliding tube arm 22-oil cylinder 23-sliding tube 24-reinforcing rib 25-inner joint 26-nut 27-outer joint 28-fastening screw 29-locking cap 30-inner sleeve 31-inner sleeve stopper 32-steel wire rope 33-return spring 34-return spring 35-film winding tooth seat 36-sprocket fixed sleeve 37-external sprocket supporting disk.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in attached figures 1-5, the flexible self-return tooth-winding type automatic film unloading mechanism comprises a frame 1, wherein a driving device is installed on the frame 1, two ends of the driving device are respectively connected with two ends of a film winding roller, the film winding roller is composed of a left film winding roller and a right film winding roller which are in movable fit with each other, a plurality of flexible self-return tooth winding devices are arranged on the film winding roller, an externally-hung chain wheel group is arranged at one end of the film winding roller, film withdrawing devices are sleeved on two sides of the film winding roller, and the film withdrawing devices are fixedly installed on the frame 1. When the driving device works, the left film rolling roller and the right film rolling roller of the film rolling roller move along with the separation of the driving device, and the flexibility on the film rolling roller is matched with the film withdrawing device from the return winding teeth to realize the automatic falling of the film roll on the film rolling roller.

The flexible self-return tooth winding device comprises a film winding tooth 13, a reinforcing rib 24, a film winding tooth seat 35, a return spring 34, a return spring seat 33, a nut 26, a steel wire rope 32, a tightening screw 28 and a lock cap 29, the reinforcing rib 24 is installed on two sides of the film winding tooth 13, the film winding tooth seat 35 is installed at the lower end of the film winding tooth 13, the film winding tooth seat 35 is installed in a hole of a film winding roll shaft 10, the upper end of the return spring 34 is sleeved on the film winding tooth seat 35, the lower end of the return spring is sleeved on the return spring seat 33, and the return spring seat 33 is fixedly installed on the film winding roll shaft 10 through the nut 26 and corresponds to the film winding tooth seat 35. The steel wire rope 32 passes through the return spring seat 33, the upper end of the steel wire rope is fixed in the hole at the lower end of the film winding tooth 13 through the fastening screw 28, and the lower end of the steel wire rope 32 is provided with a locking cap to prevent the steel wire rope 32 from being drawn out. A plurality of flexible self-returning film winding teeth 13 are arranged on the film winding roller shaft 10, and reinforcing ribs 24 are arranged between the long winding rod 11 and the short winding rod 12.

The film rolling roller is a conical grid strip type film rolling roller and consists of a left film rolling roller and a right film rolling roller which are movably matched with each other. The film winding device comprises a long winding rod 11, a short winding rod 12, support discs 14, an inner joint 25, an outer joint 27, an inner sleeve 30, a film winding roller shaft 10, a driven shifting rod 5 and an inner sleeve plug 31, wherein the left film winding roller and the right film winding roller are movably matched with each other through the inner joint 25 and the outer joint 27 respectively, the long winding rod 11 and the short winding rod 12 are installed on a plurality of support discs 14 at intervals, and the long winding rod 11 and the short winding rod 12 are tapered from the outer side to the inner side. The support discs 14 are fixedly arranged on the film rolling roll shaft 10 at intervals, inner sleeve plugs 31 are arranged on the inner sides of two ends of the inner sleeve 30, the film rolling roll shaft 10 and the inner sleeve plugs 31 are fixedly arranged, the inner sleeve plugs 31 are driven to rotate when the film rolling roll shaft 10 rotates, and the driven deflector rod 5 is fixed on the outer end face of the inner sleeve plugs 31 close to the outer side. The conical grid type film rolling roller is arranged on a bearing seat 19 through a film rolling roller shaft 10.

The externally hung chain wheel set consists of an externally hung chain wheel 4, a driving deflector rod 6 and a chain wheel fixing sleeve 36, the chain wheel fixing sleeve 36 is installed on the inner sleeve 30 and close to the outer end, the externally hung chain wheel 4 is installed at the outer end of the chain wheel fixing sleeve 36, the driving deflector rod 6 is vertically installed on the outer end face of the externally hung chain wheel 4 and corresponds to the driven deflector rod 5, and the driving deflector rod 6 drives the driven deflector rod 5 to rotate under the driving of the chain wheel. The sprocket retaining pockets 36 are located in the grooves of the sprocket retaining pocket rollers 7. An externally-hung chain wheel supporting plate 37 is arranged on the outer sleeve 20, and a chain wheel fixing sleeve roller 7 is arranged on the end surface of the externally-hung chain wheel supporting plate 37.

The slide arm combination comprises a pulley mounting frame 2, pulleys 3, slide tube arms 21, bearing seats 19, oil cylinders 22 and slide tubes 23, wherein a plurality of groups of pulley mounting frames 2 are mounted on the front lower part of the frame 1, a plurality of groups of pulleys 3 are mounted on the pulley mounting frame, the slide tubes 23 are mounted between the pulleys 3, the front ends of the slide tube arms 21 are mounted at the outer ends of the slide tubes 23, and the bearing seats 19 at the two ends of the film rolling rollers are respectively connected with the rear ends of the slide tube arms 21. The inner end of the oil cylinder 22 is fixed below the frame 1, and the outer end is connected with the outer end of the sliding pipe 23.

The film removing device comprises an outer hanging wheel supporting plate 8, an outer hanging wheel pin shaft 9, a film removing plate 15, a film removing plate roller 16, a film removing plate fixing plate 17, an outer sleeve supporting seat plate 18, an outer sleeve 20 and an inner sleeve 30, wherein the outer sleeve 20 is fixedly sleeved on the inner sleeve 30, and the inner sleeve 30 plays a role in supporting the outer sleeve 20 and parts mounted on the outer sleeve 20. The outer sleeve supporting seat plate 18 is installed on the rack 1, the outer sleeve supporting seat plate 18 and the outer hanging wheel supporting disk 8 are fixedly installed on an outer sleeve 20, the peripheries of outer hanging wheel pin shafts 9 are uniformly distributed on the outer hanging wheel supporting disk 8 and fix the outer hanging wheel supporting disk 8 and a film withdrawing disk fixing disk 17, the peripheries of film withdrawing disk rollers 16 are uniformly distributed and installed on the film withdrawing disk fixing disk 17, the film withdrawing disk 15 is installed on the inner side periphery of the inner sleeve 30, the film withdrawing disk 15 is located in a groove of the film withdrawing disk roller 16, and the bearing seats 19 are installed at two ends of a film rolling roller shaft 10 and the rear end of a sliding pipe arm 21. The film withdrawing disc 15 is provided with a hole through which the film rolling roll shaft passes, and the hole on the film withdrawing disc 15 blocks the film on the film rolling roll to realize automatic film falling.

When the mechanism works, power is input to the externally-hung chain wheel 4 and the driving deflector rod 6 fixed on the externally-hung chain wheel, the driving deflector rod 6 drives the driven deflector rod 5 to rotate, so that the inner sleeve plug 31 and the film winding roller shaft 10 rotate, the chain wheel fixing sleeve 36 rotates in the groove of the chain wheel fixing sleeve roller 7, and the long winding rod 11 and the short winding rod 12 rotate along with the film winding roller shaft 10 to push the cross film withdrawing disc 15 to roll in the groove of the film withdrawing disc roller 16. When the film winding roll shaft 10 rotates, the conical grid type film winding roll is driven to rotate, residual films are wound on the long winding rod 11 and the short winding rod 12, when the films wound on the conical grid type film winding roll reach a certain quality, power input is stopped, the hydraulic control oil cylinder 22 is operated to drive the sliding tube arm 21 to move outwards along the pulley 3, the bearing seat 19 at the tail end of the sliding tube arm 21 drives the conical grid type film winding roll to move outwards, the film unwinding device and the externally hung chain wheel set cannot move outwards because the outer sleeve 20 is fixed, only the film winding roll and the flexible self-return winding gear device arranged on the film winding roll move outwards together with the film winding, the film unwinding disc 15 is positioned between the long winding rod 11 and the short winding rod 12 of the adjacent group because the part outside the middle cross shape of the film unwinding disc, the film winding roll at the position is driven inwards, the film roll peels off along the conical film winding roll, the film winding roll moves outwards when the film winding teeth 13 touch the film unwinding disc 15, because the parts of the film winding roller shaft 10 are the return spring 34 and the steel wire rope 32 which are flexible, the film winding teeth 13 can be inclined inwards under the action of force until the film winding teeth 13 are completely separated from the inner sleeve 30, and at the moment, the film winding teeth 13 are returned to the position vertical to the film winding roller shaft 10 under the action of the return spring 34 and the steel wire rope 32. When the cross film withdrawing disc 15 withdraws the films on the film winding roller completely, the oil cylinder 22 is operated to enable the sliding pipe arm 21 to drive the conical grid type rolled films to move inwards, the film winding teeth 13 incline outwards under the blocking of the inner sleeve 30 until the film winding teeth 13 completely pass through the cross film withdrawing disc 15, and return to a normal state, so that the automatic film unloading is realized under the hydraulic action. When the inner joint 25 on the right winding roller contacts with the outer joint 27 on the left winding roller, the conical tip of the inner joint 25 is inserted into the outer joint 27, and the inner joint and the outer joint are prevented from being clamped.