CN206575866U - A kind of corn seed thresing machine - Google Patents

Abstract

The utility model is related to a kind of corn seed thresing machine, belongs to agricultural machinery technological field；Described corn seed thresing machine includes frame, threshing casing, grid concave plate, feed hopper, counterweight poke rod, curved baffle, main shaft, roller, driving motor, screw feeding plate, spiral planar tooth, the coronal tooth of spiral, row's core flat board tooth, screening storehouse, vibratory sieve, shock electric machine.The utility model is improved to existing corn seed thresing machine; change the structure on main shaft; it is fed using spiral pushing; ensure that feeding is smooth; avoid causing threshing not smooth because getting stuck in feeding process, moreover, the coronal tooth of spiral and spiral planar tooth coordinate threshing; reduce corn kernel percentage of damage, it is ensured that optimal Threshing；Counterweight poke rod and curved baffle are set in row's core storehouse so that row's core flat board tooth carries out threshing again to it, to reach the purpose all taken off.

Description

A kind of corn seed thresing machine

Technical field

The utility model belongs to agricultural machinery technological field, specifically, is related to a kind of corn seed thresing machine.

Background technology

With the development of the society, there is the participation of machine in each corner in life.Agricultural be China basic economy, It is the basic of national development, the popularization of mechanization not only makes agricultural strengthen chemurgy production, while also mitigating the labor of peasant Fatigue resistance.Existing maize sheller mainly divides compaction type, beating type by threshing principle, curries formula and the class of kneader type four.China The traditional beating type maize sheller of application carries out corn threshing operation always.This traditional thresing machine is taken off by beating type Grain, threshing cylinder rotating speed is high, so corn kernel breakage rate is high, damage is serious, meanwhile, traditional corn thresing machine relies primarily on master The high speed rotation of axle drives agitation and shock of the coronal flat board tooth to corn ear, completes threshing operations, this threshing mode is anti- The problem of mirroring is the fruit ear relatively low to moisture, easily smashes corn kernel, to the fruit ear of intermediate moisture, easily causes seed epidermis Injury, and to moisture it is higher more than fruit ear, not only threshing performance can be reduced, and indivedual seed epidermis injury is serious, be caused Total loss rate increases, the short-term or long-term storage of the damaged influence corn kernel of corn, by damaged corn germination rate it is low and Easily mildew bacterium and insect, broken, reduce its market value and export value.

In addition, easily there is the core of the card phenomenon in threshing course in traditional maize sheller, corn plug easily it is stuck In threshing casing, and under the coronal flat board tooth effect of high-speed rotation, corn plug is smashed completely, is mixed into kind of grain, is caused Follow-up screening is difficult, and threshing is not thorough, if stuck corn plug can not be handled in time, results even in machinery and stops Turn, major injury thresing machine.

Therefore, it is necessary to be improved to existing corn seed thresing machine, to reduce maize seed grain in threshing course Damage, it is ensured that maize seed grain quality.

The content of the invention

In order to overcome problem present in background technology, the utility model provides a kind of corn seed thresing machine, to existing Some corn seed thresing machines are improved, and can not only complete the threshing work to corn, and relatively low to maize seed grain damage, Meanwhile, it is capable to ensure that threshing is more clean thorough, there is the core of the card phenomenon in addition, being more avoided that.

To reach above-mentioned purpose, the utility model is implemented by following technical scheme：

Described corn seed thresing machine includes frame, threshing casing, grid concave plate, feed hopper, counterweight poke rod, arc Baffle plate, main shaft, roller, driving motor, screw feeding plate, spiral planar tooth, the coronal tooth of spiral, row's core flat board tooth, screening storehouse, shake Dynamic sieve, shock electric machine；Wherein, described threshing casing is bolted to connection in frame, and the inner chamber of threshing casing is by two Dividing plate of the block with through hole is divided into feeding warehouse, threshing bin and row's core storehouse, threshing bin and row's core storehouse successively is provided with grid concave plate, Threshing casing is provided with coaxial by rotating shaft in the feed hopper connected with feeding warehouse and the core discharging outlet connected with row's core storehouse, row's core storehouse Counterweight poke rod and curved baffle corresponding with core discharging outlet are provided with, described main shaft is arranged in threshing box body, and passes through skin Band and belt wheel are connected with the driving motor being arranged in frame, be provided with main shaft on roller, roller be provided with screw feeding plate, The coronal tooth of spiral planar tooth, spiral and row's core flat board tooth, wherein, screw feeding plate is located in feeding warehouse, spiral planar tooth and spiral shell Coronal tooth position is revolved in threshing bin, and row's core flat board tooth position is in row's core storehouse, and described screening storehouse is located at the lower section of threshing casing, sieve Divide and vibratory sieve is provided with storehouse, vibratory sieve is provided with shock electric machine, the bottom of screening storehouse offers kind of a grain outlet.

Further, described spiral planar tooth and the coronal tooth of spiral respectively be 8, and spiral planar tooth along roller from right to left Pitch progressively reduces, and along roller, pitch progressively subtracts greatly the coronal tooth of spiral from right to left.

Further, described grid concave plate is U-shape structure.

Further, a diameter of 12~15mm of described vibratory sieve.

Further, described feed hopper is provided with regulating valve.

The beneficial effects of the utility model：

1. the utility model is improved to existing corn seed thresing machine, change the structure on main shaft, using spiral Push is fed, it is ensured that feeding is smooth, it is to avoid cause threshing not smooth because getting stuck in feeding process, moreover, using spiral Coronal tooth and spiral planar tooth, which coordinate to push to corn plug by spiral thrust in threshing, threshing course, arranges core storehouse In, it is ensured that will not be stuck in threshing course.

2. the utility model coordinates threshing using the coronal tooth of spiral and spiral planar tooth, spiral planar tooth along roller from the right side to Left pitch progressively reduces, and along roller, pitch progressively subtracts greatly the coronal tooth of spiral from right to left, and the threshing incipient stage tries one's best increases spiral shells more Revolve coronal tooth to contact with the threshing of corn ear, peel corn kernel off from complete corn plank, threshing later stage is tried one's best Many increase spiral planar teeth are contacted with the threshing of corn ear, reduce corn kernel percentage of damage.The spiral of maize sheller is coronal Tooth, spiral planar tooth are on roller in axis direction in 9 °, it is ensured that optimal Threshing.

3. the utility model sets counterweight poke rod and curved baffle, the corn ear for having taken off or not taken off in row's core storehouse With plug in the presence of feed auger to core discharging outlet set, do not taken off necessarily or de- complete corn ear and plug not assembling When, counterweight poke rod pushes down corn ear or plug so that row's core flat board tooth on roller carries out threshing again to it, oneself Reach the purpose all taken off.When have accumulated a certain amount of plug, jack-up counterweight poke rod discharges plug.Moreover, this practicality New setting vibratory sieve, can further exclude broken corn plug fragment, reduce the plug amount of debris in kind of grain.

Brief description of the drawings

Fig. 1 is the utility model front view；

Fig. 2 is the utility model left view.

In figure, 1- frames, 2- threshings casing, 3- feeding warehouses, 4- threshing bins, 5- row's cores storehouse, 6- grid concave plates, 7- chargings Bucket, 8- core discharging outlets, 9- counterweights poke rod, 10- curved baffles, 11- main shafts, 12- driving motors, 13- screw feedings plate, 14- spiral shells Revolve flat board tooth, the coronal tooth of 15- spirals, 16- row's core flat boards tooth, 17- screening storehouses, 18- vibratory sieves, 19- shock electric machines, 20- kinds grain Outlet, 21- rollers.

Embodiment

In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, below in conjunction with accompanying drawing, to this The preferred embodiment of utility model is described in detail, to facilitate the technical staff to understand.

As shown in Figure 1-2, described corn seed thresing machine includes frame 1, threshing casing 2, grid concave plate 6, feed hopper 7th, counterweight poke rod 9, curved baffle 10, main shaft 11, roller 21, driving motor 12, screw feeding plate 13, spiral planar tooth 14, The coronal tooth 15 of spiral, row's core flat board tooth 16, screening storehouse 17, vibratory sieve 18, shock electric machine 19.Wherein, described threshing casing 2 leads to Cross bolt to be fixedly connected in frame 1, the inner chamber of threshing casing 2 is divided into feeding warehouse 3 by two pieces of dividing plates with through hole, taken off successively It is provided with grid concave plate 6 in grain storehouse 4 and row core storehouse 5, threshing bin 4 and row's core storehouse 5, threshing casing 2 with feeding warehouse 3 provided with connecting Feed hopper 7 and the core discharging outlet 8 that connect with row core storehouse 5, row's core storehouse 5 it is interior by rotating shaft be coaxially arranged with counterweight poke rod 9 and with The corresponding curved baffle 10 of core discharging outlet 8, taken off or the corn ear and plug that have not taken off in the presence of feed auger to row's core Mouthfuls 8 gather, and have not been taken off necessarily or when de- complete corn ear and plug not assembling, and counterweight poke rod 9 is by corn ear Or plug is pushed down so that row's core flat board tooth 16 on roller 21 carries out threshing again to it, oneself reaches the purpose all taken off.When poly- When having collected a certain amount of plug, plug jack-up counterweight poke rod 9 discharges plug from core discharging outlet 8.Described main shaft 11 is arranged on de- In grain casing 2, and it is connected by belt and belt wheel with the driving motor 12 being arranged in frame 1, roller is provided with main shaft 11 21, the coronal tooth 15 of screw feeding plate 13, spiral planar tooth 14, spiral and row's core flat board tooth 16 are provided with roller 21, wherein, spiral shell Revolve delivery sheet 13 to be located in feeding warehouse 3, spiral planar tooth 14 and the coronal tooth 15 of spiral are located in threshing bin 4, row's core flat board tooth 16 In row's core storehouse 5, main shaft 11 employs the rigid spindle nose in two ends and intermediate sleeve welding structure, and this structure not only effectively increases The big diameter of roller 21, and the quality of main shaft 11 is also significantly reduced, efficiently solve the problem of the moment of inertia is too big.Described Screening storehouse 17, which is located in the lower section of threshing casing 2, screening storehouse 17, is provided with vibratory sieve 18, and vibratory sieve 18 is provided with shock electric machine 19, The bottom of screening storehouse 17 offers kind of a grain outlet 20, and vibratory sieve 18 can further exclude broken corn plug fragment, reduce The plug amount of debris in grain is planted, kind grain after screening is discharged from grain outlet 20.

The utility model is fed using spiral pushing, it is ensured that feeding is smooth, it is to avoid in feeding process because getting stuck and Cause threshing not smooth, can be by corn in threshing, threshing course moreover, being coordinated using the coronal tooth 15 of spiral and spiral planar tooth 14 Plug is pushed in row's core storehouse 5 by spiral thrust, it is ensured that will not be stuck in threshing course.

Preferably, described spiral planar tooth 14 and the coronal tooth 15 of spiral are respectively 8, and spiral planar tooth 14 is along roller 21 Pitch progressively reduces from right to left, and along roller 21, pitch progressively subtracts greatly the coronal tooth 15 of spiral from right to left, and the threshing incipient stage uses up The many increase coronal teeth 15 of spiral of amount are contacted with the threshing of corn ear, and corn kernel, threshing are peeled off from complete corn plank Later stage many increase spiral planar teeth 14 of trying one's best are contacted with the threshing of corn ear, reduction corn kernel percentage of damage.Corn takes off The grain coronal tooth 15 of spiral of machine, spiral planar tooth 14 on roller 21 in axis direction be in 9 °, it is ensured that optimal Threshing.

Preferably, described grid concave plate 6 is U-shape structure, and the production batch of grid concave plate 6 of U-shape structure is larger, it upper Portion space can store the corn ear that a part has not taken off or do not purified so that when roller 21 carries out next cycle circulation Can threshing again, and amount of storage is big in threshing course, does not easily cause stuck.

Preferably, a diameter of 12~15mm of described vibratory sieve 18, can be screened to kind of a grain, complete secondary remove Core, broken corn plug is separated with planting grain, reduces the broken core amount in kind of grain.

Preferably, described feed hopper 7 is provided with regulating valve, is easy to adjust feeding coal, it is to avoid inlet amount is excessive and causes It is stuck.

Finally illustrate, preferred embodiment above is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent The utility model is described in detail by above preferred embodiment for pipe, but those skilled in the art should manage Solution, can make various changes, without departing from the utility model claims institute to it in the form and details The scope of restriction.

Claims (5)

1. a kind of corn seed thresing machine, it is characterised in that：Described corn seed thresing machine includes frame, threshing casing, grid Lattice notch board, feed hopper, counterweight poke rod, curved baffle, main shaft, roller, driving motor, screw feeding plate, spiral planar tooth, spiral shell Revolve coronal tooth, row's core flat board tooth, screening storehouse, vibratory sieve, shock electric machine；Wherein, described threshing casing is bolted company It is connected in frame, the inner chamber of threshing casing is divided into feeding warehouse, threshing bin and row's core storehouse successively by two pieces of dividing plates with through hole, takes off Grid concave plate is provided with grain storehouse and row's core storehouse, threshing casing is provided with the feed hopper connected with feeding warehouse and connected with row's core storehouse Core discharging outlet, row is coaxially arranged with counterweight poke rod and curved baffle corresponding with core discharging outlet in core storehouse by rotating shaft, described Main shaft is arranged in threshing box body, and is connected by belt and belt wheel with the driving motor being arranged in frame, is set on main shaft Have and screw feeding plate, spiral planar tooth, the coronal tooth of spiral and row's core flat board tooth are provided with roller, roller, wherein, screw feeding Plate is located in feeding warehouse, and spiral planar tooth and the coronal tooth position of spiral are in threshing bin, and row's core flat board tooth position is described in row's core storehouse Screening storehouse be located at the lower section of threshing casing, vibratory sieve is provided with screening storehouse, vibratory sieve is provided with shock electric machine, the bottom of screening storehouse Portion offers kind of a grain outlet.

2. corn seed thresing machine according to claim 1, it is characterised in that：Described spiral planar tooth and spiral are coronal Tooth is respectively 8, and along roller, pitch progressively reduces spiral planar tooth from right to left, and the coronal tooth of spiral is along roller pitch from right to left Progressively subtract big.

3. corn seed thresing machine according to claim 1, it is characterised in that：Described grid concave plate is U-shape structure.

4. corn seed thresing machine according to claim 1, it is characterised in that：A diameter of the 12 of described vibratory sieve~ 15mm。

5. corn seed thresing machine according to claim 1, it is characterised in that：Described feed hopper is provided with regulating valve.