A stalk pulling taper roller and a tobacco stalk pulling machine

Abstract

The present invention relates to a stalk-pulling taper roller and a tobacco stalk-pulling machine. The taper roller is in a hollow cage shape, with a smaller diameter at the front end and a larger diameter at the rear end. Tooth plates are evenly distributed on the outer surface of the taper roller along the circumferential direction. When pulling the stalks with the teeth on the anti-slip tooth plates, they can penetrate into the tobacco stalks to a certain depth, effectively preventing slippage between the taper roller and the tobacco stalks. Each stalk-pulling machine is equipped with more than four taper rollers, and their axes are parallel to each other. The taper rollers are divided into at least upper and lower groups, and the left and right taper rollers have symmetrical structures. When pulling the stalks, the driving mechanism drives the taper rollers in the same group to rotate at the same speed in opposite directions. By using the upper and lower groups of taper rollers to clamp the tobacco stalks simultaneously, the stalk-pulling force is much greater than that of a single group of taper rollers, which not only increases the reliability of stalk pulling but also improves the cleaning effect on the soil around the tobacco roots. With the aid of the initial velocity of the pulled tobacco stalks thrown upward, the function of the stalk-pulling machine can be extended to convey the stalks backward, facilitating the subsequent processing of the tobacco stalks. This not only eliminates the tobacco stalk picking-up link, simplifies the structure of the whole machine, but also reduces the power consumption for stalk pulling.

Description

Technical Field

[0001] The invention relates to the technical field of tobacco stalk pulling, and more particularly to a stalk pulling cone roller and a tobacco stalk pulling machine. Background Art

[0002] The existing tobacco stalk pulling machine has two types of stalk pulling mechanisms: chain clamping type and earth-scraping knife type. The chain clamping type stalk pulling mechanism relies on two inclined chains to clamp and pull out the tobacco stalks. The left and right chains are arranged low in front and high in the back. The left and right chains turn in opposite directions and have the same rotation speed. When pulling out the stalks, the left and right chains need to clamp the tobacco stalks and the gap between the left and right chains needs to be able to float and change with the thickness of the tobacco stalks. This leads to a complex structure of the chain clamping type stalk pulling machine, the sprocket and chain cannot be lubricated, the working conditions are bad, easy to wear, and the working reliability is poor. The advantage of this type of stalk pulling machine is that it consumes less power to pull out the stalks; the earth-scraping knife type stalk pulling mechanism uses one or two groups of earth-scraping knives to rotate and dig the soil to separate the roots of the tobacco stalks from the soil. The structure of this type of stalk pulling machine is relatively simple, but because the earth-scraping knives rotate and cut the soil at high speed in the soil during work, the earth-scraping knives consume a lot of power, the earth-scraping knives wear quickly, and the service life is short. The pulled out tobacco stalks lie directly on the ground, and they still need to be picked up manually in the later stage.

[0003] Therefore, according to the current status of the existing technology, how to provide a stalk pulling cone roller and a tobacco stalk pulling machine to reduce the power consumption of stalk pulling, simplify the structure of the stalk pulling device, improve the reliability of the stalk pulling device, and facilitate the picking and subsequent processing of tobacco stalks is a problem that technical personnel in this field urgently need to solve. Summary of the invention

[0004] To this end, an object of the present invention is to provide a stalk pulling cone roller.

[0005] Another object of the present invention is to provide a tobacco stalk pulling machine.

[0006] The present invention provides a stalk pulling cone roller, comprising:

[0007] A support body, wherein the support body is at least two, is arranged in a straight line along the working direction, and forms a support mechanism of a rotating body;

[0008] Tooth plates, there are two types of tooth plates, the first tooth plate is evenly distributed with teeth for biting into tobacco stems from the working direction to the rear, the second tooth plate has a toothless area at the outer edge close to the working direction, and the rear end is a toothed area evenly distributed with teeth for biting into tobacco stems; the first tooth plate and the second tooth plate are alternately arranged along the circumferential direction of the outer wall of the support mechanism.

[0009] Furthermore, the support mechanism has a smaller diameter at an end close to the working direction and a larger diameter at an end away from the working direction.

[0010] Further, the support mechanism sequentially includes a front support ring, an intermediate support ring, and a fixed flange from the working end to the rear. The toothed plates are sequentially connected to the outer walls of the front support ring, the intermediate support ring, and the fixed flange to form a cage-shaped structure that is smaller in the front and larger in the rear.

[0011] Further, a conical head for pushing and straightening the tobacco stalks from front to back is installed at the front end of the support mechanism. The front end of the conical head is a spherical body, and the rear end is a conical frustum that is smoothly transitioned with the spherical body. A connecting member fixed to the support mechanism is provided at the rear of the conical frustum.

[0012] Further, a conical mounting hole is provided in the middle of the fixed flange for connecting the driving mechanism.

[0013] Further, the length of the toothless area of the second toothed plate accounts for at least one-third of the total length of the second toothed plate; at the position of the second toothed plate where the toothless area is located, an angle is formed with the center line of the support mechanism facing the working direction.

[0014] A tobacco stalk pulling machine provided by the present invention includes:

[0015] A device body, and the device body has at least a supporting function;

[0016] A driving mechanism, and a driving mechanism is connected in the working direction of the device body;

[0017] And the above-mentioned pulling cone roller, there are more than four cone rollers, and all are connected to the front end of the driving mechanism; the four cone rollers are horizontally arranged along the working direction and are at least divided into upper and lower groups; among them, each group of cone rollers is two with the centers in the same plane, and are symmetrically arranged left and right, with the same speed and opposite rotation directions; at least two groups of cone rollers follow the driving mechanism to roll, clamp, and squeeze the tobacco stalks for pulling.

[0018] Further, the structures of the toothed plates corresponding to the upper and lower groups of cone rollers are different, and the length of the toothless area of the second toothed plate in the upper two cone rollers is less than the length of the toothless area of the second toothed plate in the lower two cone rollers.

[0019] Further, the cone rollers are arranged with the front end higher than the rear end from the direction close to the working direction to the direction far from the working direction.

[0020] Further, the conical mounting hole of the fixed flange is in conical surface fit with the front end of the output shaft of the driving mechanism and is connected by a key; at least two groups of the cone rollers and the output shaft of the driving mechanism have a timing requirement.

[0021] It can be seen from the above technical solutions that compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The cone roller design of the present invention is adopted, and the tooth shape on the cone roller is used to cooperate with clamping and pulling the tobacco stem backward. Compared with the chain clamping type, the structure is simple, the coordinated tooth shape is reliable for pulling the tobacco stem, and the power consumption is small compared with the planer type structure. The setting of the toothless area facilitates the smooth feeding of tobacco stems by two or more sets of cone rollers that cooperate with each other.

[0023] 2. The conical head is used to push back and straighten the tobacco stems by relying on the friction force generated by the rotation of the conical roller, so that the tobacco stems can smoothly enter between the left and right conical rollers, creating conditions for the conical rollers to clamp and pull out the stems.

[0024] 3. The cone roller is designed as a cage-shaped structure with a small front and a large back. This reduces the mass of the cone roller and uses the discontinuous outer surface of the tooth plate to effectively prevent mud from sticking to the surface of the cone roller, so that the diameter of the cone roller increases like a snowball.

[0025] 4. The conical rollers are arranged from high in the front to low in the back, from close to the working direction to far away from the working direction. The initial velocity of the conical rollers thrown obliquely upward and backward when pulling out the tobacco stems is more conducive to pulling out the tobacco stems. In addition, the establishment of this initial velocity makes it easier to expand the equipment so that the tobacco stems can directly enter the conveying device, eliminating the process of picking up the tobacco stems and facilitating the subsequent processing of the tobacco stems.

[0026] 5. The stalk pulling machine of the present invention utilizes at least two groups of rotating cone rollers to roll and clamp the tobacco stalks at the same time for stalk pulling. The cone rollers have simple structure and movement. The cone rollers do not contact the soil when pulling the stalks. The toothed plates of the cone rollers can provide sufficient friction for stalk pulling. At least two groups of cone rollers double the stalk pulling force generated and increase the number of times the cone rollers squeeze the tobacco roots, which is beneficial for cleaning the soil carried by the tobacco roots and is reliable in operation. The existing stalk pulling mechanism has solved the problems of complex structure, short service life, and high power consumption, and provides a tobacco stalk pulling machine that reduces the power consumption of stalk pulling, simplifies the structure of the stalk pulling device, improves the reliability of the stalk pulling device, and facilitates the picking up and post-processing of tobacco stalks. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0028] Figure 1 The accompanying drawing is a structural schematic diagram of a stalk pulling cone roller provided by the present invention;

[0029] Figure 2 The accompanying drawing shows a schematic diagram of a stalk pulling cone roller equipped with a conical head;

[0030] Figure 3 The attached picture is Figure 2 Right view of;

[0031] Figure 4 The attached drawing shows a schematic structural diagram of a conical head;

[0032] Figure 5 The attached drawing shows a schematic structural diagram of a tobacco stalk pulling machine according to the present invention that uses a plurality of conical rollers;

[0033] In the figure:

[0034] 1 - fixed flange, 11 - conical mounting hole, 2 - intermediate support ring, 3 - front support ring, 4 - toothed plate, 41 - toothless area, 42 - toothed area, 5 - conical head, 51 - connecting piece, 6 - first conical roller, 7 - second conical roller, 8 - third conical roller, 9 - fourth conical roller. Detailed implementation manners

[0035] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the attached drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the attached drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0036] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the attached drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

[0037] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more, unless otherwise specifically defined.

[0038] In the present invention, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the prior art, the chain clamping type stalk pulling mechanism has a complex structure, the soil-scraping knife type stalk pulling mechanism has a short service life and consumes a lot of energy, and the pulled tobacco stalks lie directly on the ground, and they still need to be picked up manually in the later stage. In view of this, according to the current state of the art, the present invention provides a stalk pulling cone roller and a tobacco stalk pulling machine, which reduce the power consumption of stalk pulling, simplify the structure of the stalk pulling device, improve the reliability of the stalk pulling device, and facilitate the picking up and later processing of tobacco stalks.

[0040] Specifically, the present invention discloses a stalk pulling cone roller, see the attached Figures 1 - 3 , including: a support body, at least two of which are arranged in a straight line along the working direction and form a supporting mechanism of a rotating body; a tooth plate 4, wherein the tooth plate 4 has two types, the first tooth plate has teeth uniformly distributed from the working direction to the rear part for biting into the tobacco stem, the outer edge of the second tooth plate close to the working direction is a toothless area 41, and the rear end is a toothed area 42 uniformly distributed for biting into the tobacco stem; the first tooth plate and the second tooth plate are alternately arranged along the circumferential direction of the outer wall of the support mechanism.

[0041] The tooth shape of the tooth plate 4 is used to bite into the tobacco stems when pulling out the stems, which can effectively prevent the tobacco stems from slipping. The radial size of the toothless area of the matching left and right conical roller tooth plates is small, which facilitates the feeding of tobacco stems between the conical rollers.

[0042] The tooth shape on the tooth plate in the present invention can be selected as triangular straight teeth or helical teeth. In the embodiment of the present invention, triangular straight teeth are preferred.

[0043] The above scheme can be used to clamp and pull the tobacco stalks backwards by using the teeth on the cone rollers. Compared with the chain clamping type, the structure is simpler, the teeth that cooperate with each other are reliable for pulling tobacco stalks, and compared with the planer type structure, the power consumption is small and the service life is long. The setting of the toothless area facilitates the smooth feeding of tobacco stalks by two or more sets of cone rollers that cooperate with each other.

[0044] The working direction referred to in the present invention is the front, and the direction opposite to the working direction is the rear.

[0045] Advantageously, the support mechanism has a smaller diameter at an end close to the working direction and a larger diameter at an end away from the working direction.

[0046] In a specific embodiment of the present invention, the support mechanism includes a front support ring 3, an intermediate support ring 2 and a fixed flange 1 in sequence from the working end to the rear, and the tooth plate 4 is connected to the outer walls of the front support ring 3, the intermediate support ring 2 and the fixed flange 1 in sequence to form a cage-shaped structure with a small front and a large rear.

[0047] More advantageously, see Attachment Figure 2 and 4At the front end of the support mechanism, a conical head 5 for pushing and straightening the tobacco stalks from front to back is installed. The front end of the conical head 5 is a spherical body, and the rear end is a conical frustum that smoothly transitions with the spherical body. A connecting member 51 fixed to the support mechanism is provided at the rear of the conical frustum. The conical head rotates with the conical roller, playing a role in pushing and straightening the tobacco stalks backward, which is beneficial for the tobacco stalks to smoothly enter between the left and right stalk-pulling conical rollers.

[0048] Among them, in a specific embodiment, the connecting member 51 can be a plurality of connecting pieces arranged along the circumferential direction of the rear end of the conical frustum. Long strip holes are provided on the connecting pieces and are matched and positioned with the protrusions provided on the outer circle of the front support ring, and then welding can be used for fixation.

[0049] Among them, the middle part of the fixed flange 1 has a conical mounting hole 11 for connecting the driving mechanism.

[0050] In the above-mentioned embodiment, the length of the toothless area 41 of the second tooth plate accounts for at least one-third of the total length of the second tooth plate.

[0051] The present invention also provides a tobacco stalk-pulling machine, including:

[0052] A device body, the device body has at least a supporting function, and in other embodiments, it can also have functions such as a traveling function and a crushing function, etc.;

[0053] A driving mechanism, a driving mechanism is connected in the working direction of the device body;

[0054] And a stalk-pulling conical roller according to any one of the above embodiments, the conical roller has more than four, and all are connected to the front end of the driving mechanism; in the embodiment of the present invention, four conical rollers are taken as an example for illustration, but the conical roller can be provided with six or more.

[0055] See the appendix Figure 5 , the four conical rollers are horizontally arranged along the working direction and are divided into upper and lower groups; among them, the first conical roller 6 and the second conical roller 7 are an upper group, and the third conical roller 8 and the fourth conical roller 9 are a lower group. Each group of conical rollers consists of two with their centers in the same plane, and they are symmetrically arranged left and right, with the same speed and opposite rotation directions; the two groups of conical rollers roll, clamp, and squeeze the tobacco stalks to pull the stalks.

[0056] Looking from the front, in the direction where the appendix Figure 5 is located, the left conical rollers (the first conical roller 6 and the fourth conical roller 9) rotate counterclockwise, and the right conical rollers (the second conical roller 7 and the third conical roller 8) rotate clockwise. The rotation directions of the upper and lower conical rollers on the same side are the same, and the rotation speeds are equal. The upper and lower two groups of conical rollers are used to clamp the tobacco stalks at the same time, and the clamping force is large, which can not only reliably pull the stalks but also clean the soil of the tobacco roots relatively cleanly. When pulling the stalks, the tooth plates on the left and right conical rollers should be engaged with the tobacco stalks in sequence, and the number of tooth plates is preferably 8 for the best effect.

[0057] Advantageously, the structures of the toothed plates 4 corresponding to the upper and lower groups of tapered rollers are different. The length of the toothless area 41 of the second toothed plate in the upper two tapered rollers is less than the length of the toothless area 41 of the second toothed plate in the lower two tapered rollers. Looking from front to back, the upper and lower tapered rollers on the right rotate clockwise, and the upper and lower tapered rollers on the left rotate counterclockwise.

[0058] In the present invention, the tapered roller is a hollow cage shape with a smaller front and a larger rear, and has tooth shapes on its outer surface. When using the teeth on the anti-slip toothed plate to pull the tobacco stalks, the teeth can penetrate into the tobacco stalks to a certain depth, which can effectively prevent slipping between the tapered roller and the tobacco stalks. On the basis of reliably realizing the pulling out of the tobacco stalks, the present invention simplifies the structure of the stalk pulling machine, reduces the mass of the tapered roller, reduces the power consumed for pulling the stalks, and the mutually cooperating tapered rollers do not stick to mud after pulling the stalks, and the soil at the tobacco roots is cleaned relatively cleanly.

[0059] In order to prevent slipping between the tobacco stalks and the tapered rollers during stalk pulling in the present invention, a number of anti-slip toothed plates are evenly distributed on the outer surface of the tapered rollers. In order to facilitate the tobacco stalks to smoothly enter between the left and right tapered rollers from the front end of the tapered rollers, the front regions of half of the toothed plates have no tooth shapes. At the second toothed plate where the toothless area 41 is located, an angle is formed with the center line of the support mechanism facing the working direction, that is, the radial dimension of the toothless area is further reduced to form a wedge-shaped structure with a smaller front and a larger rear. This distribution of toothed plates enables the left and right tapered rollers to engage two first toothed plates for a while and two second toothed plates for a while when pulling the stalks, resulting in the clearance between the corresponding toothed plates of the left and right tapered rollers being sometimes large and sometimes small, facilitating the smooth entry of the tobacco stalks between the left and right tapered rollers during stalk pulling, and then using the toothed areas of the toothed plates of the left and right tapered rollers to push backward until the toothed plates of the left and right tapered rollers clamp and pull out the tobacco stalks.

[0060] More advantageously, the tapered rollers are arranged with the front end higher than the rear end from the direction close to the working direction to the direction far from the working direction. By using the initial velocity of the tapered rollers to obliquely throw the tobacco stalks backward and upward, the present invention can be extended to realize subsequent conveying, eliminating the link of picking up tobacco stalks for post-treatment.

[0061] In a specific embodiment of the present invention, the tapered mounting hole 11 of the fixed flange 1 is in conical surface fit with the front end of the output shaft of the driving mechanism and is connected by a key. The tapered roller is fixed by a slotted nut, and an opening pin is used to prevent the slotted nut from loosening during operation; at least two groups of the tapered rollers and the output shaft of the driving mechanism are installed with timing requirements. Thus, no matter what position the toothed plates of the left and right tapered rollers rotate to, they will not be directly opposite to bite into the tobacco stalks at the same time, avoiding clamping off the tobacco stalks and ensuring the smooth clamping and pulling out of the tobacco stalks.

[0062] The present invention uses the upper and lower groups of tapered rollers to clamp the tobacco stalks simultaneously, and its stalk pulling force is much greater than that of a single group of tapered rollers, which not only increases the reliability of stalk pulling but also improves the cleaning effect of the soil at the tobacco roots. By means of the initial velocity of the tobacco stalks thrown upward during pulling, the present invention can be extended for subsequent conveying of the equipment, facilitating the subsequent treatment of the tobacco stalks. It not only eliminates the link of picking up tobacco stalks, simplifies the structure of the whole machine, but also reduces the power consumed for pulling the stalks.

[0063] In the description of this specification, the descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc., mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0064] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A straw pulling taper roller, characterized in that, Comprising: A support body, at least two of the support bodies are arranged in a straight line along the working direction and form a support mechanism in the shape of a rotating body; Tooth plates (4), there are two types of the tooth plates (4). The first tooth plate is evenly distributed with tooth shapes for biting into tobacco stalks from the working direction to the rear. The outer edge of the second tooth plate is a toothless area (41) near the working direction, and the rear end is a toothed area (42) evenly covered with teeth for biting into tobacco stalks. The first tooth plate and the second tooth plate are alternately arranged along the circumferential direction of the outer wall of the support mechanism; The diameter of the support mechanism is small at the end close to the working direction and large at the end far from the working direction; The support mechanism successively includes a front support ring (3), an intermediate support ring (2) and a fixed flange (1) from the working end to the rear. The tooth plates (4) are successively connected to the outer walls of the front support ring (3), the intermediate support ring (2) and the fixed flange (1) to form a cage-shaped structure that is small at the front and large at the rear; A conical head (5) for pushing, pulling and straightening tobacco stalks from front to rear is installed at the front end of the support mechanism. The front end of the conical head (5) is a spherical body, and the rear end is a conical frustum that is smoothly transitioned with the spherical body. A connecting member (51) fixed to the support mechanism is provided at the rear of the conical frustum; 2. The stubble pulling taper roller according to claim 1, wherein The middle part of the fixed flange (1) has a conical mounting hole (11) for connecting a driving mechanism; 3. A straw pulling taper roller according to claim 1, characterized in that, The length of the toothless area (41) of the second tooth plate accounts for at least one-third of the total length of the second tooth plate. At the position of the second tooth plate where the toothless area (41) is located, an angle is formed with the center line of the support mechanism facing the working direction; 4. A tobacco stalk pulling machine, characterized in that, Comprising: An equipment body, the equipment body at least has a support function; A driving mechanism, a driving mechanism is connected to the equipment body in the working direction; And a tobacco stalk pulling conical roller according to any one of claims 1-3, there are more than four conical rollers, and all are connected to the front end of the driving mechanism; the four conical rollers are arranged horizontally along the working direction and are at least divided into upper and lower groups; among them, each group of conical rollers is two with the centers in the same plane, and are symmetrically arranged left and right, with the same speed and opposite rotation directions; at least two groups of conical rollers roll, clamp and squeeze tobacco stalks to pull the tobacco stalks following the driving mechanism.

5. The tobacco stalk pulling machine according to claim 4, characterized in that, The structures of the tooth plates (4) corresponding to the upper and lower groups of conical rollers are different, and the length of the toothless area (41) of the second tooth plate in the upper two conical rollers is less than the length of the toothless area (41) of the second tooth plate in the lower two conical rollers.

6. The tobacco stalk pulling machine according to claim 4, characterized in that, The conical rollers are arranged with the front end higher and the rear end lower from the end close to the working direction to the end far from the working direction; 7. A tobacco stalk pulling machine according to claim 5 or 6, characterized in that, The conical mounting hole (11) of the fixed flange (1) is in tapered surface fit with the front end of the output shaft of the driving mechanism and is connected by a key; there is a timing requirement for the installation of at least two groups of the conical rollers and the output shaft of the driving mechanism.

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