CN214178319U - Exhibition membrane roller structure and shop membrane seeder convenient to maintain - Google Patents

Abstract

The utility model discloses an exhibition membrane roller structure and shop membrane seeder convenient to maintain, including exhibition membrane roller, main shaft and bearing frame, exhibition membrane roller has seted up the centre bore along the axial, the equal fixedly connected with adapter sleeve in the centre bore at exhibition membrane roller both ends, and the bearing frame passes through countersunk screw and adapter sleeve fixed connection, and countersunk screw sets up along exhibition membrane roller axial, is equipped with the bearing in the bearing frame, and the bearing housing is established outside the main shaft. The main shaft of the utility model does not rotate along with the film spreading roller when the film spreading operation is carried out, and can not be intertwined with sundries, thereby avoiding influencing the operation; the countersunk head screw is axially arranged along the film spreading roller and cannot be in contact with the film, so that the film is prevented from being scratched; the utility model provides a bearing frame easily installs or dismantles and maintains the maintenance.

Description

Exhibition membrane roller structure and shop membrane seeder convenient to maintain

Technical Field

The utility model belongs to agricultural machinery equipment field especially relates to exhibition membrane roller structure and shop membrane seeder convenient to maintain.

Background

The film-laying seeder is a common agricultural machine device, can efficiently carry out film mulching, creates a proper growing environment for crops and improves the crop yield. The exhibition membrane roller is the essential element in the film-laying seeder, and current exhibition membrane roller structure generally welds the end cap and the main shaft at exhibition membrane roller both ends, and exhibition membrane roller rotates with the main shaft when spreading the operation of film-laying seeder like this, and this kind of structure main shaft often takes place the winding with foreign matters such as plastic film or weeds in the farmland when carrying out the operation, causes the card when serious and dies, just can continue the operation after must removing the winding thing, reduces work efficiency and easily causes the machine to damage. To this problem, an existing scheme is for setting up the bearing frame in exhibition membrane roller both ends port respectively, along the radial countersunk screw that sets up of exhibition membrane roller with bearing frame and exhibition membrane roller fixed connection together, and the bearing housing that sets up in the bearing frame is established on the main shaft, when exhibition membrane roller rotates like this and carries out the operation, the main shaft can not be along with rotating, has just avoided twining with the foreign matter. However, the film spreading roller structure has the following problems: 1. the countersunk head screw is arranged along the radial direction of the film spreading roller, so that the film is easily scratched when the film spreading roller rotates; 2. when the bearing seat needs to be detached from the film spreading roller for maintenance, the countersunk head screw needs to be completely taken out of the bearing seat in the structure, and the detachment is inconvenient; 3. if the condition of bearing locking appears, will make exhibition membrane roller and countersunk screw block each other and die, hardly dismantle the maintenance, lead to this exhibition membrane roller structure to scrap.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhibition membrane roller structure and shop membrane seeder convenient to maintain can effectively solve among the current exhibition membrane roller structure that the main shaft easily takes place winding problem with foreign matters such as plastic film or weeds in the farmland, has the advantage that can not fish tail film, easy to detach maintain and also can dismantle under the condition of bearing locking simultaneously.

In order to solve the technical problem, the utility model adopts the following technical scheme: exhibition membrane roller structure convenient to maintain, including exhibition membrane roller, main shaft and bearing frame, exhibition membrane roller has seted up the centre bore along the axial, the equal fixedly connected with adapter sleeve in the centre bore at exhibition membrane roller both ends, and the bearing frame passes through countersunk screw and adapter sleeve fixed connection, and countersunk screw sets up along exhibition membrane roller axial, is equipped with the bearing in the bearing frame, and the bearing housing is established outside the main shaft.

Preferably, the connecting sleeve comprises a first pipe sleeve, a part of the first pipe sleeve is fixedly connected in a central hole of the film spreading roller, and a part of the first pipe sleeve, which is positioned outside the central hole, extends outwards in the radial direction to form a first protruding periphery. The first pipe sleeve is arranged and used for being fixedly connected with the film spreading roller, and the first protruding enclosure is arranged to provide a part for applying acting force when the connecting sleeve is installed, so that installation is facilitated.

Preferably, the outer diameter of the first bulge is the same as the outer diameter of the film spreading roller. Therefore, the outer surface of the first protruding periphery is flush with the outer surface of the film spreading roller, the film cannot be scraped and rubbed, and the damage to the film is avoided. Whether the connecting sleeve is assembled in place or not can be judged closely by observing whether the first protruding circumference is attached to the film spreading roller or not, the connecting sleeve and the film spreading roller are prevented from not being assembled in place, and the connecting sleeve and the film spreading roller are ensured to rotate around the same axis.

Preferably, the bearing seat comprises a second pipe sleeve, the second pipe sleeve is partially connected in the connecting sleeve in a sliding mode, a second convex periphery extends outwards along the radial direction from the part, located outside the connecting sleeve, of the second pipe sleeve, and the second convex periphery and the first pipe sleeve are fixedly connected together through a countersunk head screw along the axial direction. The second pipe sleeve is connected in the connecting sleeve in a sliding mode, so that the bearing seat and the connecting sleeve can be conveniently mounted or dismounted.

Preferably, the inner hole of the connecting sleeve is set to be in a circular truncated cone shape, the inner diameter of one end, extending into the central hole, of the connecting sleeve is smaller than that of the other end of the connecting sleeve, and the outer surface of the bearing seat is set to be in a circular truncated cone shape matched with the inner hole of the connecting sleeve. Therefore, the convenience of mounting or dismounting the bearing seat and the connecting sleeve is further improved.

Preferably, the part of the connecting sleeve, which is positioned in the central hole of the film spreading roller, is provided with a groove along the axial direction and is used for matching with the splicing welding line of the film spreading roller. The exhibition membrane roller generally adopts welding process when manufacturing, therefore exhibition membrane roller internal surface can produce the welding seam along the axial, through set up on the adapter sleeve along the axial and cooperate the recess with the welding seam, not only can reduce the protruding adverse effect to interference fit of welding seam like this, can also strengthen the drive effect of exhibition membrane roller to the adapter sleeve when exhibition membrane roller rotates, further guarantee to be connected stably of exhibition membrane roller and nylon adapter sleeve.

Preferably, the connecting sleeve is a nylon connecting sleeve, and the nylon connecting sleeve is in interference fit with the central hole of the film spreading roller. The nylon connecting sleeve is light in texture, convenient to install and operate, easy to process in required shapes, stable and firm in connection in an interference fit mode, and convenient to use in the interference fit connection mode.

Preferably, the bearing block is provided with a bearing hole and a sealing hole along the axial direction, an annular step is arranged between the bearing hole and the sealing hole, an annular groove is arranged at the port of the bearing hole, an annular retainer ring is arranged in the annular groove, and the annular step and the annular retainer ring are matched to limit the bearing to generate displacement along the axial direction of the main shaft. The rotary precision that the film spreading roller drives the bearing block to rotate around the main shaft can be guaranteed.

Preferably, a framework oil seal is arranged in the sealing hole.

In order to solve the technical problem, the utility model also provides a spread membrane seeder, the exhibition membrane roller structure of being convenient for maintain that provides including above-mentioned arbitrary technical scheme. Because this shop membrane seeder has adopted the exhibition membrane roller structure among the above-mentioned scheme, its main shaft in the exhibition membrane roller structure can not rotate along with the exhibition membrane roller when the operation, and the main shaft can not twine with debris like this, just can not influence the operation of this shop membrane seeder to the countersunk screw that sets up on its bearing frame also can not cause the film fish tail. In addition, this shop membrane seeder's exhibition membrane roller structure well bearing frame is easily dismantled and is maintained, even the condition that appears the bearing locking, can not influence taking out of countersunk screw yet.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the bearing seat is fixedly connected with the connecting sleeve through the countersunk head screw, the connecting sleeve is fixedly connected with the film spreading roller, and the main shaft can rotate relative to the bearing in the bearing seat, so that when the film spreading roller rotates to carry out film spreading operation, the nylon connecting sleeve and the bearing seat can be driven to rotate relative to the main shaft, and the main shaft is kept still, so that the main shaft cannot be mutually wound with sundries, and the operation is prevented from being influenced;

2. because the countersunk head screw is arranged along the axial direction of the film spreading roller, the countersunk head screw cannot be contacted with the film, and the film is prevented from being scratched;

3. when the bearing seat needs to be detached from the film spreading roller for maintenance, the countersunk head screw only needs to be slightly loosened, the countersunk head screw does not need to be completely taken out of the connecting sleeve, after the countersunk head screw is loosened, the bearing seat can be detached by shaking one edge of the film spreading roller along the radial direction and applying an acting force outwards along the axial direction of the film spreading roller, and the connecting sleeve does not need to be detached;

4. when the condition of bearing locking takes place, because countersunk screw sets up along exhibition membrane roller axial, the bearing locking can not influence taking out of countersunk screw, and the bearing frame is taken out from connecting the cover and is not influenced like this, has avoided exhibition membrane roller, countersunk screw and the mutual dead condition of card of bearing frame three to take place among the prior art.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of a film spreading roller structure for easy maintenance;

fig. 2 is a sectional view of a connecting sleeve in the first embodiment;

FIG. 3 is a cross-sectional view of a bearing housing according to one embodiment;

fig. 4 is a top view of the connecting sleeve in the first embodiment.

Wherein: 1. the film spreading roller comprises a film spreading roller body, a main shaft, a bearing seat, a bearing 30, a framework oil seal 31, a second pipe sleeve 32, a second convex periphery 33, an annular step 34, an annular retainer ring 35, a connecting sleeve 4, a groove 40, a first pipe sleeve 41, a first convex periphery 42 and a countersunk head screw 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected or detachably connected or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; may be directly connected or indirectly connected through an intermediate, unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The first embodiment is as follows: as shown in fig. 1, the exhibition membrane roller structure convenient to maintain that this embodiment provided, including exhibition membrane roller 1, main shaft 2 and bearing frame 3, exhibition membrane roller 1 has seted up the centre bore along the axial, and equal fixedly connected with adapter sleeve 4 in the centre bore at exhibition membrane roller 1 both ends, bearing frame 3 pass through countersunk screw 5 and adapter sleeve 4 fixed connection, and countersunk screw 5 sets up along exhibition membrane roller 1 axial, is equipped with bearing 30 in the bearing frame 3, and bearing 30 cover is established outside main shaft 2. When the operation of spreading the membrane, because adapter sleeve 4 and exhibition membrane roller 1 fixed connection, and bearing frame 3 passes through countersunk head screw 5 and adapter sleeve 4 fixed connection, consequently exhibition membrane roller 1 drives adapter sleeve 4 and bearing frame 3 and rotates 2 relative main shafts, and main shaft 2 keeps motionless, and main shaft 2 just can not twine each other with debris like this, avoids influencing the operation. In the structure of the film spreading roller provided by the embodiment, the countersunk head screws 5 are axially arranged along the film spreading roller 1, so that the countersunk head screws 5 cannot be contacted with the film, and the film is prevented from being scratched; in addition, when the bearing seat 3 needs to be detached from the film spreading roller 1 for maintenance, the countersunk head screw 5 only needs to be loosened slightly, the countersunk head screw 5 does not need to be completely taken out of the connecting sleeve 4, after the countersunk head screw 5 is loosened, one edge of the bearing seat 3 is radially shaken along the film spreading roller 1, and an acting force is axially and outwards applied along the film spreading roller 1, so that the bearing seat 3 can be detached, the connecting sleeve 4 does not need to be detached, and the operation of detaching the bearing seat 3 is very simple and convenient.

In practical application, if the condition of bearing 30 locking takes place, owing to use countersunk screw to radially set up along the exhibition membrane roller and will exhibition membrane roller and bearing frame fixed connection among the prior art, exhibition membrane roller continues to rotate and takes place the dislocation with the bearing frame when the bearing locks, causes countersunk screw's head and the dead condition of exhibition membrane roller card, leads to hardly dismantling the bearing frame and maintains, often has to scrap the processing to exhibition membrane roller structure this moment. And this exhibition membrane roller structure that this embodiment provided in countersunk screw 5 sets up along 1 axial of exhibition membrane roller, when bearing 30 locking takes place, exhibition membrane roller 1 drives the relative bearing frame 3 of adapter sleeve 4 and takes place the dislocation, but adapter sleeve 4 acts on the pole portion of countersunk screw 5, only drive countersunk screw 5 and take place the angle change, the dead condition of card can not take place for countersunk screw 5's head and counter bore, consequently, bearing 30 locking can not influence taking out of countersunk screw 5, still easily take out bearing frame 3 and overhaul, the emergence of the dead condition of exhibition membrane roller 1 and countersunk screw 5 each other card among the prior art has been avoided.

As shown in fig. 2, the connecting sleeve 4 in this embodiment includes a first sleeve 41, a portion of the first sleeve 41 is fixedly connected to the central hole of the filming roller 1, and a portion of the first sleeve 41 outside the central hole extends radially outward to form a first flange 42. The second collar 42 facilitates the application of a force during the installation of the connecting sleeve 4, which facilitates the installation.

The outer diameter of the second convex enclosure 42 can be set to be the same as the outer diameter of the film spreading roller 1, so that the outer surface of the second convex enclosure 42 is flush with the outer surface of the film spreading roller 1, the film scraping and rubbing can be avoided, whether the connecting sleeve 4 is assembled in place or not can be judged by observing whether the second convex enclosure 42 is tightly attached to the film spreading roller 1 or not, the connecting sleeve 4 is prevented from not being assembled in place with the film spreading roller 1, and the connecting sleeve 4 and the film spreading roller 1 can be guaranteed to rotate around the same axis.

Referring to fig. 3, in the embodiment, the bearing seat 3 includes a second sleeve 32, the second sleeve 32 is partially slidably connected inside the connecting sleeve 4, a portion of the second sleeve 32 outside the connecting sleeve 4 extends radially outward to form a second flange 33, and the second flange 33 and the first sleeve 41 are fixedly connected together by a countersunk head screw 5 in the axial direction. The second sleeve 32 is slidably connected in the connecting sleeve 4, so that the bearing seat 3 and the connecting sleeve 4 can be conveniently mounted or dismounted. Wherein, can set up the screw hole in second protruding enclose 33 and first pipe box 41 relevant position, twist countersunk screw 5 into fixedly, or can set up the inlay nut along the axial in first pipe box 41, then at the second protruding enclose 33 relevant position trompil, it is fixed in the inlay nut to pass second protruding enclose 33 and first pipe box 41 twist countersunk screw 5 again.

Wherein, in order to further improve the convenience of installation or dismantlement of bearing frame 3 and adapter sleeve 4, can also set up the hole of adapter sleeve 4 into round platform shape to the one end internal diameter that adapter sleeve 4 stretched into the centre bore is less than the internal diameter of the other end of adapter sleeve 4, sets up the surface of bearing frame 3 into the round platform shape with adapter sleeve 4 hole matched with simultaneously. Therefore, when the connecting sleeve is mounted or dismounted, the friction area between the outer surface of the second pipe sleeve 32 and the inner surface of the connecting sleeve 4 is greatly reduced, and the operation is more labor-saving.

In this embodiment, the bearing housing 3, the bearing 30, and the main shaft 2 are mounted as follows: bearing hole and sealed hole have been seted up along the axial to bearing frame 3, are equipped with annular step 34 between bearing hole and the sealed hole, and bearing hole port department is equipped with the annular, is equipped with annular retaining ring 35 in the annular, and annular step 34 and annular retaining ring 35 cooperate and are used for limiting bearing 30 and produce the displacement along 2 axial of main shaft, set up like this and can guarantee to open up the gyration precision that membrane roller 1 drove bearing frame 3 around 2 rotations of main shaft. Wherein, bearing 30 outer lane and bearing frame 3 interference fit, bearing 30 inner lane and 2 clearance fit of main shaft realize that exhibition membrane roller 1 drives bearing frame 3 and bearing 30 and rotates 2 main shafts relatively. In order to prolong the service life of the bearing 30 and prevent the bearing 30 from being locked, a framework oil seal 31 is arranged in the seal hole, so that the framework oil seal can be used for lubricating the bearing 30 on one hand, and can play a role in sealing on the other hand, and dust is prevented from entering a gap between the bearing 30 and the main shaft 2.

As shown in fig. 4, the film spreading roller 1 generally adopts a welding process during production and manufacturing, so that a welding seam is generated on the inner surface of the film spreading roller 1 along the axial direction, in this embodiment, a groove 40 can be further formed in the connecting sleeve 4 along the axial direction, and the groove 40 is matched with the welding seam, so that the adverse effect of the welding seam protrusion on the interference fit can be reduced, the driving effect of the film spreading roller 1 on the connecting sleeve 4 can be enhanced when the film spreading roller 1 rotates, and the stability of the connection of the film spreading roller 1 and the nylon connecting sleeve 4 is further ensured.

The connecting sleeve 4 in the embodiment adopts a nylon connecting sleeve, the nylon connecting sleeve 4 is fixedly connected with the film spreading roller 1 through the interference fit of the nylon connecting sleeve 4 and the film spreading roller 1, and the bearing seat 3 is fixedly connected with the nylon connecting sleeve 4 along the axial direction by using a countersunk head screw 5. The nylon connecting sleeve 4 is light in material texture, convenient to install and operate, mature in processing technology, easy to process required shapes, and stable and firm in connection in an interference fit mode. It should be noted that the utility model discloses well adapter sleeve 4's main effect lies in realizing the fixed connection of exhibition membrane roller 1 and bearing frame 3 through adapter sleeve 4, and the countersunk screw 5 of being convenient for when using countersunk screw 5 to carry out fixed connection is along the setting of exhibition membrane roller 1 axial to bearing frame 3 and adapter sleeve 4 simultaneously to avoid producing countersunk screw 5 and radially set up a series of problems of bringing along exhibition membrane roller 1. Therefore, the connecting sleeve 4 can adopt the nylon connecting sleeve in the embodiment, the function of the nylon connecting sleeve 4 is realized by the interference fit with the film spreading roller 1, other components or fixed connection modes can be adopted, for example, the connecting sleeve and the film spreading roller can be fixedly connected by adopting a bonding mode, or the connecting sleeve made of metal materials is adopted, and the connecting sleeve and the film spreading roller are fixedly connected by the interference fit or the threaded connection mode. Not considering under the detachable condition, also can directly weld the adapter sleeve of a metal material in the centre bore of exhibition membrane roller tip for with being connected of bearing frame, also can realize above-mentioned function, consequently the utility model provides a adapter sleeve is not restricted to the nylon adapter sleeve that provides in this embodiment.

Example two: the present embodiment provides a mulching-sowing machine based on the structure of the mulching-roller in the above-described embodiment. Because this shop membrane seeder has adopted the exhibition membrane roller structure in above-mentioned embodiment, its main shaft 2 in the exhibition membrane roller structure can not rotate along with exhibition membrane roller 1 when the operation, and main shaft 2 can not twine with debris like this, just can not influence the operation of this shop membrane seeder to the countersunk screw 5 that sets up on its bearing frame 3 can not cause the film fish tail on exhibition membrane roller 1 yet. In addition, in the film spreading roller structure of the film spreading seeder, the bearing seat 3 is easy to disassemble for maintenance, and even if the bearing 30 is locked, the taking-out of the countersunk head screw 5 is not influenced.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims (10)

1. Exhibition membrane roller structure convenient to maintain, including exhibition membrane roller (1), main shaft (2) and bearing frame (3), exhibition membrane roller (1) has seted up centre bore, its characterized in that along the axial: exhibition membrane roller (1) both ends downthehole equal fixedly connected with adapter sleeve (4), bearing frame (3) are through countersunk screw (5) and adapter sleeve (4) fixed connection, countersunk screw (5) set up along exhibition membrane roller (1) axial, be equipped with bearing (30) in bearing frame (3), bearing (30) cover is established outside main shaft (2).

2. The easy-to-maintain spreader roller structure of claim 1, wherein: the connecting sleeve (4) comprises a first pipe sleeve (41), the first pipe sleeve (41) is partially and fixedly connected in a central hole of the film spreading roller (1), and a first protruding periphery (42) extends outwards along the radial direction from the part, located outside the central hole, of the first pipe sleeve (41).

3. The easy-to-maintain spreader roller structure of claim 2, wherein: the outer diameter of the first protruding periphery (42) is the same as that of the film spreading roller (1).

4. The easy-to-maintain spreader roller structure of claim 2, wherein: the bearing seat (3) comprises a second pipe sleeve (32), the second pipe sleeve (32) is partially connected into the connecting sleeve (4) in a sliding mode, a second protruding periphery (33) extends outwards along the radial direction from the part, located outside the connecting sleeve (4), of the second pipe sleeve (32), and the second protruding periphery (33) is fixedly connected with the first pipe sleeve (41) through a sunk screw (5) along the axial direction.

5. The easy-to-maintain spreader roller structure of claim 4, wherein: the inner hole of the connecting sleeve (4) is set to be in a round table shape, the inner diameter of one end, extending into the center hole, of the connecting sleeve (4) is smaller than that of the other end of the connecting sleeve (4), and the outer surface of the bearing seat (3) is set to be in a round table shape matched with the inner hole of the connecting sleeve (4).

6. The easy-to-maintain spreader roller structure of claim 1, wherein: the connecting sleeve (4) is positioned in the central hole of the film spreading roller (1) and is provided with a groove (40) along the axial direction, and the groove is used for being matched with the splicing welding line of the film spreading roller (1).

7. The maintenance-convenient roll structure for spreading film according to any one of claims 1 to 6, wherein: the connecting sleeve (4) is a nylon connecting sleeve, and the nylon connecting sleeve (4) is in interference fit with a center hole of the film spreading roller (1).

8. The easy-to-maintain spreader roller structure of claim 1, wherein: bearing hole and sealed hole have been seted up along the axial in bearing frame (3), be equipped with annular step (34) between bearing hole and the sealed hole, bearing hole port department is equipped with the annular, be equipped with annular retaining ring (35) in the annular, annular step (34) and annular retaining ring (35) cooperate and are used for restricting bearing (30) along main shaft (2) axial production displacement.

9. The easy-to-maintain spreader roller structure of claim 8, wherein: and a framework oil seal (31) is arranged in the sealing hole.

10. The film-laying seeder is characterized in that: the easy-to-maintain film spreading roller structure comprising any one of claims 1 to 9.

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