CN220195575U

CN220195575U - Corn grading machine

Info

Publication number: CN220195575U
Application number: CN202321607340.1U
Authority: CN
Inventors: 高雪涛; 高同宝; 齐耀农; 高景申; 刘军美
Original assignee: Renqiu Zhongran Machinery Equipment Co ltd
Current assignee: Renqiu Zhongran Machinery Equipment Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-12-19
Anticipated expiration: 2033-06-25

Abstract

The utility model relates to a corn grading machine, which comprises a feeding device, a clamping and conveying device arranged at the tail end of the conveying device and a guide rail arranged on a conveying path of the clamping and conveying device, wherein the feeding device comprises a feeding conveying belt and a plurality of feeding tanks, the clamping and conveying device comprises a conveying chain and an elastic clamping device, the elastic clamping device performs corn discharging grading work under the guiding action of the guide rail, the conveying chain is positioned at the obliquely upper position of the feeding conveying belt, and the running directions of the feeding conveying belt and the conveying chain are opposite. Adopt loading attachment, centre gripping conveyor and guide rail to realize the transportation, the classification work of maize, loading attachment carries out the material loading, and afterwards the material is carried by centre gripping conveyor's elasticity clamping device centre gripping, carries out the blowing according to the size respectively because the direction effect of guide rail makes the maize of centre gripping in-process of transporting, realizes the classification work of maize, and whole process degree of automation is higher, and classification efficiency is high.

Description

Corn grading machine

Technical Field

The utility model relates to a corn harvester.

Background

Corn is a common food crop, and has various storage modes, and for fresh corn, the fresh corn is tasted by freezing so as to prolong the shelf life of the corn.

After harvesting, the fresh corn is generally subjected to a preliminary treatment to remove the root, tip, corn silk and husk, and then subjected to a freezing treatment. For some products, the two ends of the corn are required to be cut again after freezing so as to meet the quality requirement of the products.

The utility model patent with the publication number of CN218610270U discloses a multistage sorting machine for quick-frozen corn production, which comprises a long shaft, a first-stage grading shaft, a second-stage grading shaft and a third-stage grading shaft, wherein the long shaft, the first-stage grading shaft, the second-stage grading shaft and the third-stage grading shaft are all designed in a round table shape, so that the corn can be transported on a conveying line in the central position of the shaft, and the corn can fall into a storage box after being separated from the conveying line when arriving on the grading shaft. Although the grading work of the corn is realized, other functions cannot be added due to the structural limitation of the grading machine, the end part of the corn cannot be cut off during grading, and the processing requirements of some products cannot be met.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a corn grading machine which can realize automatic grading of corn.

The technical scheme adopted by the utility model is as follows:

a corn harvester comprises a feeding device, a clamping and conveying device arranged at the tail end of the conveying device and a guide rail arranged on the conveying path of the clamping and conveying device.

The feeding device comprises a feeding conveyer belt and a plurality of feeding grooves which are arranged on the feeding conveyer belt and used for placing corn materials, the clamping conveyer device comprises a conveyer chain and an elastic clamping device which is arranged on the conveyer chain, the elastic clamping device performs discharging classification work of corn under the guiding action of a guide rail, the conveyer chain is positioned at an obliquely upper position of the feeding conveyer belt, and the running directions of the feeding conveyer belt and the conveyer chain are opposite.

Further, loading attachment still includes the pinch roller device of setting up in the position of material loading conveyer belt top and sets up the cutting wheel in the position of material loading conveyer belt left and right sides respectively, pinch roller device installs in the frame, including rotating the pinch roller that sets up in the frame and set up between two installation poles through the pivot.

Further, a boss is arranged on the frame, the rotating shaft is arranged on the upper surface of the boss, and the mounting rod is matched with the edge of the boss to realize limit.

Further, a limiting frame is arranged below the mounting rod, the pressing wheel is located inside the limiting frame, the bottom edge of the pressing wheel is located at the lower side of the limiting frame, one end of the limiting frame is rotatably mounted on the frame through a rotating shaft, an adjusting bolt is mounted on the frame through a nut, and the end of the adjusting bolt abuts against the end of the limiting frame.

Further, the elastic clamping device comprises a bottom plate arranged on the conveying chain, a sliding bar arranged at the upper position of the bottom plate, a fixed plate arranged at the end part of the sliding bar, a pressing plate arranged on the sliding bar in a sliding manner through a sliding seat and a spring for enabling the pressing plate to keep moving towards the fixed plate, guide wheels are arranged on the sliding seat, the guide rails are matched with the guide wheels to realize guiding, the conveying chain is two in parallel, and two ends of the bottom plate are respectively connected with the corresponding conveying chain.

Furthermore, the left end and the right end of the sliding bar are respectively provided with a fixed plate, the middle part of the sliding bar is provided with a limiting plate, both sides of the sliding bar, which are positioned on the limiting plate, are respectively provided with a sliding seat, and springs are respectively arranged on the sliding bar, which are positioned between the sliding seats and the fixed plates;

the two feeding devices are correspondingly arranged, and the two feeding grooves are respectively corresponding to the positions of the corresponding fixing plate and the corresponding limiting plate.

Further, a long groove is formed in the bottom plate, the sliding bar is located above the bottom plate, and the guide wheel is located below the bottom plate and connected with the sliding seat through the connecting rod.

Further, the fixed plate comprises a plate body, a U-shaped groove arranged on the plate body and a base plate arranged on one side of the plate body towards the pressing plate, wherein the shape of the base plate corresponds to that of the U-shaped groove, sawteeth are arranged on the U-shaped inner wall of the base plate and are positioned on the inner side of the U-shaped groove, one end of a material is in contact with the pressing plate, and the other end of the material is matched with the sawteeth positioned on the inner side of the U-shaped groove.

Further, the guide rail comprises a plurality of parallel sections and transition sections arranged between two adjacent parallel sections, and the guide rail is gradually guided to the inner side along the conveying path of the materials.

Further, a cross rod is arranged on the frame, a mounting hole is formed in the guide rail, the guide rail is connected with the cross rod through the mounting hole, a nut used for limiting the guide rail is arranged on the cross rod, and the nut and the guide wheels are respectively located on two sides of the guide rail.

The utility model has the positive effects that:

according to the corn classifying device, the feeding device, the clamping conveying device and the guide rail are adopted to realize the transportation and classifying work of corn, the feeding device is used for feeding, then materials are clamped by the elastic clamping device of the clamping conveying device to be conveyed, the clamped corn is discharged according to the size and the size respectively due to the guiding effect of the guide rail in the conveying process, the classifying work of corn is realized, the automation degree of the whole process is high, and the classifying efficiency is high. Meanwhile, the novel feeding device and the clamping and conveying device are adopted, so that the end part cutting work in the feeding and clamping conveying processes can be realized, and the processing requirements are met.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of the elastic clamping device of the present utility model;

FIG. 4 is a schematic view showing a clamping state of the elastic clamping device of the present utility model;

FIG. 5 is a schematic view of a structure of a fixing plate according to the present utility model;

FIG. 6 is a schematic view of a pad structure according to the present utility model;

fig. 7 is a schematic view of a guide rail of the present utility model.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1 to 7, the present utility model provides a corn or the like machine, which comprises a feeding device, a clamping and conveying device arranged at a position obliquely above the tail end of the feeding device, and a guide rail 18 arranged on the conveying path of the clamping and conveying device.

As shown in fig. 1 and 2, the feeding device comprises a feeding conveyer belt 1, a plurality of feeding grooves 2 uniformly arranged on the feeding conveyer belt 1, cutting wheels 4 arranged on two sides of the feeding conveyer belt 1 and a pinch roller device arranged above the feeding conveyer belt 1, wherein the position of the pinch roller device corresponds to the position of the cutting wheels 4, when a material moves to the position of the pinch roller device along with the feeding conveyer belt 1, the material is subjected to the pressure action of the pinch roller device, and meanwhile, two ends of the material are contacted with the cutting wheels 4 to perform the cutting action of the end parts. The pinch roller device is arranged on the frame and comprises a mounting rod 6 arranged on the frame in a rotating way through a rotating shaft and a pinch roller 3 arranged between the two mounting rods 6. The installation pole 6 is rotatory as the center with the pivot, and when the material diameter on the material loading conveyer belt 1 was great, can upwards jack-up pinch roller 3, and because pinch roller 3's dead weight effect, still can push down the material, prevent because the harder circumstances that leads to corn skew or beat appear when cutting, can guarantee the cutting effect, pinch roller 3 can adopt the rubber material to reduce and produce the bump to the material. Of course, the feeding conveyor belt 1 can be replaced by a conveyor chain, so long as the feeding conveyor belt can drive the feeding trough 2 to circularly operate, and the feeding trough 2 adopts a V-shaped design.

Preferably, a tension spring 8 is arranged between the mounting rod 6 and the frame, and the pinch roller 3 always has a downward movement trend under the action of the tension spring 8, so that the pressure action of the pinch roller 3 on materials can be improved.

A boss 5 is arranged on the frame, a rotating shaft is arranged on the upper surface of the boss 5, and a mounting rod 6 is matched with the edge of the boss 5 to play a certain limiting role and serve as a limiting position for downward deflection of the mounting rod 6, so that the mounting rod 6 cannot continuously deflect downward.

As a further improvement of the utility model, a limit frame 7 is arranged below the mounting rod 6, the pinch roller 3 is positioned in the limit frame 7, and the lower end edge of the pinch roller 3 is positioned below the limit frame 7, so as to ensure that the pinch roller 3 is contacted with the material first. The limiting frame 7 is installed on the frame through the rotating shaft, the adjusting bolt 9 is installed on the frame through the nut 10, one end of the adjusting bolt 9 props against one end of the rotating shaft of the limiting frame 7, the limiting frame 7 deflects downwards to play a limiting role, the limiting frame 7 can play a role in pressing down materials with larger diameters, and meanwhile, the contact surface of the limiting frame 7 and the materials is wider, so that better anti-jumping and anti-shifting effects can be provided.

Preferably, graduations are arranged on the feeding trough 2.

As shown in fig. 1 to 7, the clamping and conveying device comprises a conveying chain 11 and an elastic clamping device arranged on the conveying chain 11, wherein the elastic clamping device comprises a bottom plate 12, a slide bar 15 arranged above the bottom plate 12, a fixed plate 13 fixedly arranged at the end part of the slide bar 15, a sliding seat 12 slidably arranged on the slide bar 15 and a spring 16 arranged on the slide bar 15, the spring 16 is connected with the sliding seat 12, the sliding seat 12 always keeps a trend of moving towards the fixed plate 13, a guide wheel 17 is arranged at the bottom of the sliding seat 12, the guide wheel 17 is matched with a guide rail 18, the position of the sliding seat 12 is limited by utilizing the guide rail 18, a pressing plate 14 is arranged on the sliding seat 12, clamping work is carried out on materials by utilizing the pressing plate 14 and the fixed plate 13, and the fixed plate 13 is fixedly arranged on the bottom plate 12.

Two ends of the bottom plate 12 are respectively fixedly arranged on two parallel conveying chains 11 through connecting plates 20, and circularly move along with the conveying chains 11.

The running rhythm of the feeding conveyer belt 1 and the running rhythm of the conveyer chain 11 are matched, and when the material runs to the end position of the feeding conveyer belt 1 along with the feeding conveyer belt, the elastic clamping device on the clamping conveyer device moves to the end position, so that the material on the feeding trough 2 is clamped.

Before the clamping action, the pressing plate 14 is located at a position far away from the fixed plate 13 under the action of the guide rail 18, at this time, the distance between the pressing plate 14 and the fixed plate 13 is larger than the length of the material, then the material reaches a position where the pressing plate and the fixed plate 13 are connected with the feeding groove 2, the guide wheel 17 is separated from the guide rail 18, the pressing plate 14 moves towards the fixed plate 13 under the action of the spring 16, the material is clamped between the fixed plate 13 and the pressing plate 14 under the action of the spring force, and then the material can move together with the bottom plate 12. The chain is provided with a plurality of sets of structures, so that a plurality of materials can be continuously conveyed forwards. And because the clamping effect is realized by the elastic force of the spring 16, even if the lengths of the materials are different, the clamping effect can still be realized. Of course, in practical use, a suitable spring 16 is required to achieve a good clamping effect even when clamping materials of a small length.

Preferably, the left end and the right end of the sliding bar 15 are both provided with the fixing plates 13, that is, the sliding bar 15 is arranged above the bottom plate 12 through the two fixing plates 13, the middle part of the sliding bar 15 is provided with the limiting plate 19, and the bottom of the limiting plate 19 can be fixed with the bottom plate 12 or can be fixed with the sliding bar 15 in a mounting mode. The two sliding seats 12 are respectively positioned between the limiting plate 19 and the two fixed plates 13, the number of the springs 16 is also correspondingly two, the two springs are sleeved on the sliding bar 15, and one end of each spring is propped against the limiting plate 19, and the other end of each spring is propped against the sliding seat 12. The number of corresponding guide rails 18 is also 2, and the guide wheels 17 below the two sliding seats 12 are respectively matched to realize the guiding function of the two sliding seats 12. In this way, by extending the length of the base plate 12, two materials can be transported simultaneously at a time, and the transport efficiency thereof is further improved. Correspondingly, the feeding device is correspondingly provided with two groups, the two feeding conveyor belts 1 are arranged in parallel, and simultaneously materials are conveyed to the position between the two fixing plates 13 and the pressing plate 14, so that double material conveying efficiency is realized.

Preferably, the bottom plate 12 is provided with a long groove, the guide wheel 17 is fixedly connected with the slide seat 12 through a connecting rod, and the connecting rod passes through the long groove downwards and then is connected with the guide wheel 17, so that the guide wheel 17 and the slide seat 12 are respectively positioned on the upper side and the lower side of the bottom plate 12, the clamping work and the guiding work are not affected, and the position arrangement of the guide rail 18 is more facilitated.

As shown in fig. 4 and 5, the fixing plate 13 includes a plate body 1301 and a U-shaped groove 1302 provided on the plate body 1301, the plate body 1301 has an approximately L-shape, one side of which is parallel to the bottom plate 12 for fixing the fixing plate 13 on the bottom plate 12, the other side is directed upward, and the U-shaped groove 1302 is located on the upward side. The base plate 1303 is also in a U shape and corresponds to the upward side of the U-shaped groove 1302, the saw teeth 1304 are arranged on the U-shaped inner wall of the base plate 1303, one end of the material is contacted with the pressing plate 14, the other end is matched with the saw teeth 1304 positioned on the inner side of the U-shaped groove 1302, and anti-skid patterns are arranged on one side of the base plate 1303 and the pressing plate 14 for clamping the material or the workpiece and act together with the saw teeth 1304, so that the friction force between the base plate 1303 and the material or the workpiece can be increased, and the material sliding in the clamping process is prevented.

Meanwhile, for frozen fresh corn, the tip or root of the frozen fresh corn can be protruded from the U-shaped position of the fixed plate 13, a rotary blade can be arranged on one side of the fixed plate 13, when the frozen fresh corn is clamped and conveyed to the position, the protruded part of the frozen fresh corn is contacted with the blade to be cut, cutting work can be carried out in the conveying process of the frozen fresh corn, the transferring rhythm cannot be influenced, and the efficiency is higher.

Preferably, the guide rail 18 is located at an outer side of the guide wheel 17, that is, is located at both sides of the guide wheel 17 with the spring 16, and when the guide wheel 17 is engaged with the guide rail 18, the guide wheel 17 is tightly attached to the guide rail 18 under the action of the spring 16, so that the guide wheel 17 moves along the guide rail 18. The conveying chain is in an oblong shape, the lower half of the conveying chain is a working part, clamping and grading of materials are carried out, when the elastic clamping device moves to the front section of the lower straight line position of the chain, the materials are clamped, and when unloading is needed, the guide wheels 17 of the elastic clamping device are matched with the guide rails 18. In the process, the guide rail 18 is gradually guided inwards, namely the pressing plate 14 is gradually moved to the middle position of the sliding bar 15, the distance between the pressing plate 14 and the fixed plate 13 is increased, and the pressing plate 14 loses pressure on materials, so that blanking is realized. When the elastic clamping device is separated from the material, the guide rail 18 continues to guide the pressing plate 14 to a position far away from the side of the fixed plate 13, and when the clamping position is reached again after a circle, the pressing plate 14 gradually approaches the material until the guide wheel 17 is not matched with the guide rail 18, so that the clamping effect can be realized.

The guide rail 18 comprises a plurality of parallel sections and a transition section arranged between two adjacent parallel sections. The purpose of this design is to achieve a grading of the material, since the material is clamped between the pressure plate 14 and the fixed plate 13 by the action of the springs 16, when the length of the material is different, the position of the pressure plate 14 is also different, and when the material is clamped longer, the distance between the pressure plate 14 and the fixed plate 13 is relatively larger, i.e. the pressure plate 14 is closer to the middle of the slide bar 15. The guide rail 18 is designed in a plurality of sections, and a plurality of parallel sections are gradually approaching the intermediate position along the material running direction. When the length of the clamped material is small, the corresponding guide wheel 17 is matched with the first transition section firstly, and the pressing plate 14 gradually moves towards the middle under the action of the guide wheel, so that the material is loosened. The clamped material is longer, and the clamping state can still be maintained because the pressing plate 14 is closer to the middle position of the sliding bar 15 and does not match with the first transition section. The position of the transition section is reasonably designed, so that the blanking of materials at different positions can be realized, and the materials with different sizes are stored in a grading manner. After loosening the material, the guide rail 18 should continue to guide the guide wheel 17 so that the pressing plate 14 thereof is kept close to the middle of the slide bar 15 for the next clamping operation.

Preferably, the device further comprises a frame and a cross bar 21 arranged on the frame, wherein the guide rail 18 is provided with a mounting hole, the guide rail 18 is arranged on the cross bar 21 through the mounting hole, the cross bar 21 is provided with a limit nut 22 for limiting the guide rail 18, and the limit nut 22 and the guide wheel 17 are respectively positioned on two sides of the guide rail 18. Thus, the position of the guide rail 18 on the cross bar 21 can be integrally adjusted, so that the grading size of the materials can be adjusted, and the grading work of various different materials or different grading grades can be satisfied.

The spring 16 is utilized to push the pressing plate 14, so that the material between the pressing plate 14 and the fixed plate 13 is subjected to pressure, friction force is generated to prevent the material from falling off, the spring 16 can be automatically adjusted according to the length of the material, the clamping work of corn materials with different lengths and sizes can be met, and the part of the end part can be cut off in the clamping and conveying process, so that the normal conveying rhythm is not influenced. Meanwhile, according to the guiding function of the guide rail 18, the classifying and blanking work of materials with different lengths can be realized, and corns with different sizes can be classified and stored.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The corn and other machine is characterized by comprising a feeding device, a clamping and conveying device arranged at the tail end of the conveying device and a guide rail (18) arranged on the conveying path of the clamping and conveying device;

the feeding device comprises a feeding conveying belt (1) and a plurality of feeding grooves (2) arranged on the feeding conveying belt (1) and used for placing corn materials, the clamping conveying device comprises a conveying chain (11) and an elastic clamping device arranged on the conveying chain (11), the elastic clamping device performs discharging classification work of corn under the guiding action of a guide rail (18), the conveying chain (11) is positioned at the obliquely upper position of the feeding conveying belt (1), and the running directions of the feeding conveying belt (1) and the conveying chain (11) are opposite.

2. The corn and other machine according to claim 1, wherein the feeding device further comprises a pinch roller device arranged above the feeding conveyor belt (1) and cutting wheels (4) respectively arranged at the left side and the right side of the feeding conveyor belt (1), the pinch roller device is arranged on the frame and comprises a mounting rod (6) arranged on the frame in a rotating manner through a rotating shaft and a pinch roller (3) arranged between the two mounting rods (6), and a tension spring (8) is arranged between the frame and the mounting rod (6).

3. The corn harvester according to claim 2, characterized in that a boss (5) is arranged on the frame, the rotating shaft is arranged on the upper surface of the boss (5), and the mounting rod (6) is matched with the edge of the boss (5) to realize limit.

4. A corn harvester according to claim 2 or 3, characterized in that a limit frame (7) is arranged below the mounting rod (6), the pinch roller (3) is positioned in the limit frame (7), the bottom edge of the pinch roller (3) is positioned at the lower side of the limit frame (7), one end of the limit frame (7) is rotatably mounted on the frame through a rotating shaft, an adjusting bolt (9) is mounted on the frame through a nut (10), and the end of the adjusting bolt (9) props against the end of the limit frame (7).

5. Corn harvester according to claim 1, characterized in that the elastic clamping device comprises a bottom plate (12) arranged on the conveying chain (11), a sliding bar (15) arranged above the bottom plate (12), a fixed plate (13) arranged at the end part of the sliding bar (15), a pressing plate (14) arranged on the sliding bar (15) in a sliding manner through a sliding seat (23) and a spring (16) for keeping the pressing plate (14) moving towards the fixed plate (13), a guide wheel (17) is arranged on the sliding seat (23), the guide rail (18) is matched with the guide wheel (17) to realize guiding, the conveying chain (11) is two in parallel arrangement, and two ends of the bottom plate (12) are respectively connected with the corresponding conveying chain (11).

6. The corn harvester according to claim 5, wherein the left end and the right end of the slide bar (15) are provided with fixed plates (13), the middle part of the slide bar (15) is provided with a limiting plate (19), the slide bar (15) is provided with sliding seats (23) on two sides of the limiting plate (19), and the slide bar (15) is provided with springs (16) between the sliding seats (23) and the fixed plates (13);

the two feeding devices are correspondingly arranged, and the two feeding grooves (2) are respectively corresponding to the positions of the corresponding fixing plate (13) and the corresponding limiting plate (19).

7. The corn harvester of claim 5, wherein the bottom plate (12) is provided with a long groove, the slide bar (15) is positioned above the bottom plate (12), and the guide wheel (17) is positioned below the bottom plate (12) and connected with the slide seat (23) through a connecting rod.

8. The corn or the like machine according to claim 5, wherein the fixing plate (13) comprises a plate body (1301), a U-shaped groove (1302) arranged on the plate body (1301) and a base plate (1303) arranged on one side of the plate body (1301) facing the pressing plate (14), the base plate (1303) is U-shaped, an inner opening of the base plate corresponds to the U-shaped groove (1302), sawteeth (1304) are arranged on the U-shaped inner wall of the base plate (1303), the sawteeth (1304) are positioned on the U-shaped inner side of the U-shaped groove (1302), one end of a material is contacted with the pressing plate (14), and the other end of the material is matched with the sawteeth (1304) positioned on the inner side of the U-shaped groove (1302).

9. A corn or the like machine according to claim 5, characterized in that the guide rail (18) comprises a plurality of parallel sections and a transition section arranged between adjacent two parallel sections, the guide rail (18) being directed gradually inwards along the transport path of the material.

10. The corn harvester according to claim 5, characterized in that a cross bar (21) is arranged on the frame, a mounting hole is formed in the guide rail (18), the guide rail (18) is connected with the cross bar (21) through the mounting hole, a limit nut (22) for limiting the guide rail (18) is arranged on the cross bar (21), and the limit nut (22) and the guide wheel (17) are respectively located on two sides of the guide rail (18).